source3/smbd/trans2.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    SMB transaction2 handling
   4    Copyright (C) Jeremy Allison                 1994-2007
   5    Copyright (C) Stefan (metze) Metzmacher      2003
   6    Copyright (C) Volker Lendecke                2005-2007
   7    Copyright (C) Steve French                   2005
   8    Copyright (C) James Peach                    2006-2007
   9
  10    Extensively modified by Andrew Tridgell, 1995
  11
  12    This program is free software; you can redistribute it and/or modify
  13    it under the terms of the GNU General Public License as published by
  14    the Free Software Foundation; either version 3 of the License, or
  15    (at your option) any later version.
  16
  17    This program is distributed in the hope that it will be useful,
  18    but WITHOUT ANY WARRANTY; without even the implied warranty of
  19    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20    GNU General Public License for more details.
  21
  22    You should have received a copy of the GNU General Public License
  23    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  24 */
  25
  26 #include "includes.h"
  27 #include "version.h"
  28 #include "smbd/globals.h"
  29 #include "../libcli/auth/libcli_auth.h"
  30
  31 extern enum protocol_types Protocol;
  32
  33 #define DIR_ENTRY_SAFETY_MARGIN 4096
  34
  35 static char *store_file_unix_basic(connection_struct *conn,
  36                                 char *pdata,
  37                                 files_struct *fsp,
  38                                 const SMB_STRUCT_STAT *psbuf);
  39
  40 static char *store_file_unix_basic_info2(connection_struct *conn,
  41                                 char *pdata,
  42                                 files_struct *fsp,
  43                                 const SMB_STRUCT_STAT *psbuf);
  44
  45 /********************************************************************
  46  Roundup a value to the nearest allocation roundup size boundary.
  47  Only do this for Windows clients.
  48 ********************************************************************/
  49
  50 uint64_t smb_roundup(connection_struct *conn, uint64_t val)
  51 {
  52         uint64_t rval = lp_allocation_roundup_size(SNUM(conn));
  53
  54         /* Only roundup for Windows clients. */
  55         enum remote_arch_types ra_type = get_remote_arch();
  56         if (rval && (ra_type != RA_SAMBA) && (ra_type != RA_CIFSFS)) {
  57                 val = SMB_ROUNDUP(val,rval);
  58         }
  59         return val;
  60 }
  61
  62 /****************************************************************************
  63  Utility functions for dealing with extended attributes.
  64 ****************************************************************************/
  65
  66 /****************************************************************************
  67  Refuse to allow clients to overwrite our private xattrs.
  68 ****************************************************************************/
  69
  70 static bool samba_private_attr_name(const char *unix_ea_name)
  71 {
  72         static const char * const prohibited_ea_names[] = {
  73                 SAMBA_POSIX_INHERITANCE_EA_NAME,
  74                 SAMBA_XATTR_DOS_ATTRIB,
  75                 SAMBA_XATTR_DOSTIMESTAMPS,
  76                 NULL
  77         };
  78
  79         int i;
  80
  81         for (i = 0; prohibited_ea_names[i]; i++) {
  82                 if (strequal( prohibited_ea_names[i], unix_ea_name))
  83                         return true;
  84         }
  85         if (StrnCaseCmp(unix_ea_name, SAMBA_XATTR_DOSSTREAM_PREFIX,
  86                         strlen(SAMBA_XATTR_DOSSTREAM_PREFIX)) == 0) {
  87                 return true;
  88         }
  89         return false;
  90 }
  91
  92 /****************************************************************************
  93  Get one EA value. Fill in a struct ea_struct.
  94 ****************************************************************************/
  95
  96 NTSTATUS get_ea_value(TALLOC_CTX *mem_ctx, connection_struct *conn,
  97                       files_struct *fsp, const char *fname,
  98                       const char *ea_name, struct ea_struct *pea)
  99 {
 100         /* Get the value of this xattr. Max size is 64k. */
 101         size_t attr_size = 256;
 102         char *val = NULL;
 103         ssize_t sizeret;
 104
 105  again:
 106
 107         val = TALLOC_REALLOC_ARRAY(mem_ctx, val, char, attr_size);
 108         if (!val) {
 109                 return NT_STATUS_NO_MEMORY;
 110         }
 111
 112         if (fsp && fsp->fh->fd != -1) {
 113                 sizeret = SMB_VFS_FGETXATTR(fsp, ea_name, val, attr_size);
 114         } else {
 115                 sizeret = SMB_VFS_GETXATTR(conn, fname, ea_name, val, attr_size);
 116         }
 117
 118         if (sizeret == -1 && errno == ERANGE && attr_size != 65536) {
 119                 attr_size = 65536;
 120                 goto again;
 121         }
 122
 123         if (sizeret == -1) {
 124                 return map_nt_error_from_unix(errno);
 125         }
 126
 127         DEBUG(10,("get_ea_value: EA %s is of length %u\n", ea_name, (unsigned int)sizeret));
 128         dump_data(10, (uint8 *)val, sizeret);
 129
 130         pea->flags = 0;
 131         if (strnequal(ea_name, "user.", 5)) {
 132                 pea->name = talloc_strdup(mem_ctx, &ea_name[5]);
 133         } else {
 134                 pea->name = talloc_strdup(mem_ctx, ea_name);
 135         }
 136         if (pea->name == NULL) {
 137                 TALLOC_FREE(val);
 138                 return NT_STATUS_NO_MEMORY;
 139         }
 140         pea->value.data = (unsigned char *)val;
 141         pea->value.length = (size_t)sizeret;
 142         return NT_STATUS_OK;
 143 }
 144
 145 NTSTATUS get_ea_names_from_file(TALLOC_CTX *mem_ctx, connection_struct *conn,
 146                                 files_struct *fsp, const char *fname,
 147                                 char ***pnames, size_t *pnum_names)
 148 {
 149         /* Get a list of all xattrs. Max namesize is 64k. */
 150         size_t ea_namelist_size = 1024;
 151         char *ea_namelist = NULL;
 152
 153         char *p;
 154         char **names, **tmp;
 155         size_t num_names;
 156         ssize_t sizeret = -1;
 157
 158         if (!lp_ea_support(SNUM(conn))) {
 159                 *pnames = NULL;
 160                 *pnum_names = 0;
 161                 return NT_STATUS_OK;
 162         }
 163
 164         /*
 165          * TALLOC the result early to get the talloc hierarchy right.
 166          */
 167
 168         names = TALLOC_ARRAY(mem_ctx, char *, 1);
 169         if (names == NULL) {
 170                 DEBUG(0, ("talloc failed\n"));
 171                 return NT_STATUS_NO_MEMORY;
 172         }
 173
 174         while (ea_namelist_size <= 65536) {
 175
 176                 ea_namelist = TALLOC_REALLOC_ARRAY(
 177                         names, ea_namelist, char, ea_namelist_size);
 178                 if (ea_namelist == NULL) {
 179                         DEBUG(0, ("talloc failed\n"));
 180                         TALLOC_FREE(names);
 181                         return NT_STATUS_NO_MEMORY;
 182                 }
 183
 184                 if (fsp && fsp->fh->fd != -1) {
 185                         sizeret = SMB_VFS_FLISTXATTR(fsp, ea_namelist,
 186                                                      ea_namelist_size);
 187                 } else {
 188                         sizeret = SMB_VFS_LISTXATTR(conn, fname, ea_namelist,
 189                                                     ea_namelist_size);
 190                 }
 191
 192                 if ((sizeret == -1) && (errno == ERANGE)) {
 193                         ea_namelist_size *= 2;
 194                 }
 195                 else {
 196                         break;
 197                 }
 198         }
 199
 200         if (sizeret == -1) {
 201                 TALLOC_FREE(names);
 202                 return map_nt_error_from_unix(errno);
 203         }
 204
 205         DEBUG(10, ("get_ea_list_from_file: ea_namelist size = %u\n",
 206                    (unsigned int)sizeret));
 207
 208         if (sizeret == 0) {
 209                 TALLOC_FREE(names);
 210                 *pnames = NULL;
 211                 *pnum_names = 0;
 212                 return NT_STATUS_OK;
 213         }
 214
 215         /*
 216          * Ensure the result is 0-terminated
 217          */
 218
 219         if (ea_namelist[sizeret-1] != '\0') {
 220                 TALLOC_FREE(names);
 221                 return NT_STATUS_INTERNAL_ERROR;
 222         }
 223
 224         /*
 225          * count the names
 226          */
 227         num_names = 0;
 228
 229         for (p = ea_namelist; p - ea_namelist < sizeret; p += strlen(p)+1) {
 230                 num_names += 1;
 231         }
 232
 233         tmp = TALLOC_REALLOC_ARRAY(mem_ctx, names, char *, num_names);
 234         if (tmp == NULL) {
 235                 DEBUG(0, ("talloc failed\n"));
 236                 TALLOC_FREE(names);
 237                 return NT_STATUS_NO_MEMORY;
 238         }
 239
 240         names = tmp;
 241         num_names = 0;
 242
 243         for (p = ea_namelist; p - ea_namelist < sizeret; p += strlen(p)+1) {
 244                 names[num_names++] = p;
 245         }
 246
 247         *pnames = names;
 248         *pnum_names = num_names;
 249         return NT_STATUS_OK;
 250 }
 251
 252 /****************************************************************************
 253  Return a linked list of the total EA's. Plus the total size
 254 ****************************************************************************/
 255
 256 static struct ea_list *get_ea_list_from_file(TALLOC_CTX *mem_ctx, connection_struct *conn, files_struct *fsp,
 257                                         const char *fname, size_t *pea_total_len)
 258 {
 259         /* Get a list of all xattrs. Max namesize is 64k. */
 260         size_t i, num_names;
 261         char **names;
 262         struct ea_list *ea_list_head = NULL;
 263         NTSTATUS status;
 264
 265         *pea_total_len = 0;
 266
 267         if (!lp_ea_support(SNUM(conn))) {
 268                 return NULL;
 269         }
 270
 271         status = get_ea_names_from_file(talloc_tos(), conn, fsp, fname,
 272                                         &names, &num_names);
 273
 274         if (!NT_STATUS_IS_OK(status) || (num_names == 0)) {
 275                 return NULL;
 276         }
 277
 278         for (i=0; i<num_names; i++) {
 279                 struct ea_list *listp;
 280                 fstring dos_ea_name;
 281
 282                 if (strnequal(names[i], "system.", 7)
 283                     || samba_private_attr_name(names[i]))
 284                         continue;
 285
 286                 listp = TALLOC_P(mem_ctx, struct ea_list);
 287                 if (listp == NULL) {
 288                         return NULL;
 289                 }
 290
 291                 if (!NT_STATUS_IS_OK(get_ea_value(mem_ctx, conn, fsp,
 292                                                   fname, names[i],
 293                                                   &listp->ea))) {
 294                         return NULL;
 295                 }
 296
 297                 push_ascii_fstring(dos_ea_name, listp->ea.name);
 298
 299                 *pea_total_len +=
 300                         4 + strlen(dos_ea_name) + 1 + listp->ea.value.length;
 301
 302                 DEBUG(10,("get_ea_list_from_file: total_len = %u, %s, val len "
 303                           "= %u\n", (unsigned int)*pea_total_len, dos_ea_name,
 304                           (unsigned int)listp->ea.value.length));
 305
 306                 DLIST_ADD_END(ea_list_head, listp, struct ea_list *);
 307
 308         }
 309
 310         /* Add on 4 for total length. */
 311         if (*pea_total_len) {
 312                 *pea_total_len += 4;
 313         }
 314
 315         DEBUG(10, ("get_ea_list_from_file: total_len = %u\n",
 316                    (unsigned int)*pea_total_len));
 317
 318         return ea_list_head;
 319 }
 320
 321 /****************************************************************************
 322  Fill a qfilepathinfo buffer with EA's. Returns the length of the buffer
 323  that was filled.
 324 ****************************************************************************/
 325
 326 static unsigned int fill_ea_buffer(TALLOC_CTX *mem_ctx, char *pdata, unsigned int total_data_size,
 327         connection_struct *conn, struct ea_list *ea_list)
 328 {
 329         unsigned int ret_data_size = 4;
 330         char *p = pdata;
 331
 332         SMB_ASSERT(total_data_size >= 4);
 333
 334         if (!lp_ea_support(SNUM(conn))) {
 335                 SIVAL(pdata,4,0);
 336                 return 4;
 337         }
 338
 339         for (p = pdata + 4; ea_list; ea_list = ea_list->next) {
 340                 size_t dos_namelen;
 341                 fstring dos_ea_name;
 342                 push_ascii_fstring(dos_ea_name, ea_list->ea.name);
 343                 dos_namelen = strlen(dos_ea_name);
 344                 if (dos_namelen > 255 || dos_namelen == 0) {
 345                         break;
 346                 }
 347                 if (ea_list->ea.value.length > 65535) {
 348                         break;
 349                 }
 350                 if (4 + dos_namelen + 1 + ea_list->ea.value.length > total_data_size) {
 351                         break;
 352                 }
 353
 354                 /* We know we have room. */
 355                 SCVAL(p,0,ea_list->ea.flags);
 356                 SCVAL(p,1,dos_namelen);
 357                 SSVAL(p,2,ea_list->ea.value.length);
 358                 fstrcpy(p+4, dos_ea_name);
 359                 memcpy( p + 4 + dos_namelen + 1, ea_list->ea.value.data, ea_list->ea.value.length);
 360
 361                 total_data_size -= 4 + dos_namelen + 1 + ea_list->ea.value.length;
 362                 p += 4 + dos_namelen + 1 + ea_list->ea.value.length;
 363         }
 364
 365         ret_data_size = PTR_DIFF(p, pdata);
 366         DEBUG(10,("fill_ea_buffer: data_size = %u\n", ret_data_size ));
 367         SIVAL(pdata,0,ret_data_size);
 368         return ret_data_size;
 369 }
 370
 371 static NTSTATUS fill_ea_chained_buffer(TALLOC_CTX *mem_ctx,
 372                                        char *pdata,
 373                                        unsigned int total_data_size,
 374                                        unsigned int *ret_data_size,
 375                                        connection_struct *conn,
 376                                        struct ea_list *ea_list)
 377 {
 378         uint8_t *p = (uint8_t *)pdata;
 379         uint8_t *last_start = NULL;
 380
 381         *ret_data_size = 0;
 382
 383         if (!lp_ea_support(SNUM(conn))) {
 384                 return NT_STATUS_NO_EAS_ON_FILE;
 385         }
 386
 387         for (; ea_list; ea_list = ea_list->next) {
 388                 size_t dos_namelen;
 389                 fstring dos_ea_name;
 390                 size_t this_size;
 391
 392                 if (last_start) {
 393                         SIVAL(last_start, 0, PTR_DIFF(p, last_start));
 394                 }
 395                 last_start = p;
 396
 397                 push_ascii_fstring(dos_ea_name, ea_list->ea.name);
 398                 dos_namelen = strlen(dos_ea_name);
 399                 if (dos_namelen > 255 || dos_namelen == 0) {
 400                         return NT_STATUS_INTERNAL_ERROR;
 401                 }
 402                 if (ea_list->ea.value.length > 65535) {
 403                         return NT_STATUS_INTERNAL_ERROR;
 404                 }
 405
 406                 this_size = 0x08 + dos_namelen + 1 + ea_list->ea.value.length;
 407
 408                 if (ea_list->next) {
 409                         size_t pad = 4 - (this_size % 4);
 410                         this_size += pad;
 411                 }
 412
 413                 if (this_size > total_data_size) {
 414                         return NT_STATUS_INFO_LENGTH_MISMATCH;
 415                 }
 416
 417                 /* We know we have room. */
 418                 SIVAL(p, 0x00, 0); /* next offset */
 419                 SCVAL(p, 0x04, ea_list->ea.flags);
 420                 SCVAL(p, 0x05, dos_namelen);
 421                 SSVAL(p, 0x06, ea_list->ea.value.length);
 422                 fstrcpy((char *)(p+0x08), dos_ea_name);
 423                 memcpy(p + 0x08 + dos_namelen + 1, ea_list->ea.value.data, ea_list->ea.value.length);
 424
 425                 total_data_size -= this_size;
 426                 p += this_size;
 427         }
 428
 429         *ret_data_size = PTR_DIFF(p, pdata);
 430         DEBUG(10,("fill_ea_chained_buffer: data_size = %u\n", *ret_data_size));
 431         return NT_STATUS_OK;
 432 }
 433
 434 static unsigned int estimate_ea_size(connection_struct *conn, files_struct *fsp, const char *fname)
 435 {
 436         size_t total_ea_len = 0;
 437         TALLOC_CTX *mem_ctx = NULL;
 438
 439         if (!lp_ea_support(SNUM(conn))) {
 440                 return 0;
 441         }
 442         mem_ctx = talloc_tos();
 443         (void)get_ea_list_from_file(mem_ctx, conn, fsp, fname, &total_ea_len);
 444         return total_ea_len;
 445 }
 446
 447 /****************************************************************************
 448  Ensure the EA name is case insensitive by matching any existing EA name.
 449 ****************************************************************************/
 450
 451 static void canonicalize_ea_name(connection_struct *conn, files_struct *fsp, const char *fname, fstring unix_ea_name)
 452 {
 453         size_t total_ea_len;
 454         TALLOC_CTX *mem_ctx = talloc_tos();
 455         struct ea_list *ea_list = get_ea_list_from_file(mem_ctx, conn, fsp, fname, &total_ea_len);
 456
 457         for (; ea_list; ea_list = ea_list->next) {
 458                 if (strequal(&unix_ea_name[5], ea_list->ea.name)) {
 459                         DEBUG(10,("canonicalize_ea_name: %s -> %s\n",
 460                                 &unix_ea_name[5], ea_list->ea.name));
 461                         safe_strcpy(&unix_ea_name[5], ea_list->ea.name, sizeof(fstring)-6);
 462                         break;
 463                 }
 464         }
 465 }
 466
 467 /****************************************************************************
 468  Set or delete an extended attribute.
 469 ****************************************************************************/
 470
 471 NTSTATUS set_ea(connection_struct *conn, files_struct *fsp,
 472                 const struct smb_filename *smb_fname, struct ea_list *ea_list)
 473 {
 474         char *fname = NULL;
 475
 476         if (!lp_ea_support(SNUM(conn))) {
 477                 return NT_STATUS_EAS_NOT_SUPPORTED;
 478         }
 479
 480         /* For now setting EAs on streams isn't supported. */
 481         fname = smb_fname->base_name;
 482
 483         for (;ea_list; ea_list = ea_list->next) {
 484                 int ret;
 485                 fstring unix_ea_name;
 486
 487                 fstrcpy(unix_ea_name, "user."); /* All EA's must start with user. */
 488                 fstrcat(unix_ea_name, ea_list->ea.name);
 489
 490                 canonicalize_ea_name(conn, fsp, fname, unix_ea_name);
 491
 492                 DEBUG(10,("set_ea: ea_name %s ealen = %u\n", unix_ea_name, (unsigned int)ea_list->ea.value.length));
 493
 494                 if (samba_private_attr_name(unix_ea_name)) {
 495                         DEBUG(10,("set_ea: ea name %s is a private Samba name.\n", unix_ea_name));
 496                         return NT_STATUS_ACCESS_DENIED;
 497                 }
 498
 499                 if (ea_list->ea.value.length == 0) {
 500                         /* Remove the attribute. */
 501                         if (fsp && (fsp->fh->fd != -1)) {
 502                                 DEBUG(10,("set_ea: deleting ea name %s on "
 503                                           "file %s by file descriptor.\n",
 504                                           unix_ea_name, fsp_str_dbg(fsp)));
 505                                 ret = SMB_VFS_FREMOVEXATTR(fsp, unix_ea_name);
 506                         } else {
 507                                 DEBUG(10,("set_ea: deleting ea name %s on file %s.\n",
 508                                         unix_ea_name, fname));
 509                                 ret = SMB_VFS_REMOVEXATTR(conn, fname, unix_ea_name);
 510                         }
 511 #ifdef ENOATTR
 512                         /* Removing a non existent attribute always succeeds. */
 513                         if (ret == -1 && errno == ENOATTR) {
 514                                 DEBUG(10,("set_ea: deleting ea name %s didn't exist - succeeding by default.\n",
 515                                                 unix_ea_name));
 516                                 ret = 0;
 517                         }
 518 #endif
 519                 } else {
 520                         if (fsp && (fsp->fh->fd != -1)) {
 521                                 DEBUG(10,("set_ea: setting ea name %s on file "
 522                                           "%s by file descriptor.\n",
 523                                           unix_ea_name, fsp_str_dbg(fsp)));
 524                                 ret = SMB_VFS_FSETXATTR(fsp, unix_ea_name,
 525                                                         ea_list->ea.value.data, ea_list->ea.value.length, 0);
 526                         } else {
 527                                 DEBUG(10,("set_ea: setting ea name %s on file %s.\n",
 528                                         unix_ea_name, fname));
 529                                 ret = SMB_VFS_SETXATTR(conn, fname, unix_ea_name,
 530                                                         ea_list->ea.value.data, ea_list->ea.value.length, 0);
 531                         }
 532                 }
 533
 534                 if (ret == -1) {
 535 #ifdef ENOTSUP
 536                         if (errno == ENOTSUP) {
 537                                 return NT_STATUS_EAS_NOT_SUPPORTED;
 538                         }
 539 #endif
 540                         return map_nt_error_from_unix(errno);
 541                 }
 542
 543         }
 544         return NT_STATUS_OK;
 545 }
 546 /****************************************************************************
 547  Read a list of EA names from an incoming data buffer. Create an ea_list with them.
 548 ****************************************************************************/
 549
 550 static struct ea_list *read_ea_name_list(TALLOC_CTX *ctx, const char *pdata, size_t data_size)
 551 {
 552         struct ea_list *ea_list_head = NULL;
 553         size_t converted_size, offset = 0;
 554
 555         while (offset + 2 < data_size) {
 556                 struct ea_list *eal = TALLOC_ZERO_P(ctx, struct ea_list);
 557                 unsigned int namelen = CVAL(pdata,offset);
 558
 559                 offset++; /* Go past the namelen byte. */
 560
 561                 /* integer wrap paranioa. */
 562                 if ((offset + namelen < offset) || (offset + namelen < namelen) ||
 563                                 (offset > data_size) || (namelen > data_size) ||
 564                                 (offset + namelen >= data_size)) {
 565                         break;
 566                 }
 567                 /* Ensure the name is null terminated. */
 568                 if (pdata[offset + namelen] != '\0') {
 569                         return NULL;
 570                 }
 571                 if (!pull_ascii_talloc(ctx, &eal->ea.name, &pdata[offset],
 572                                        &converted_size)) {
 573                         DEBUG(0,("read_ea_name_list: pull_ascii_talloc "
 574                                  "failed: %s", strerror(errno)));
 575                 }
 576                 if (!eal->ea.name) {
 577                         return NULL;
 578                 }
 579
 580                 offset += (namelen + 1); /* Go past the name + terminating zero. */
 581                 DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
 582                 DEBUG(10,("read_ea_name_list: read ea name %s\n", eal->ea.name));
 583         }
 584
 585         return ea_list_head;
 586 }
 587
 588 /****************************************************************************
 589  Read one EA list entry from the buffer.
 590 ****************************************************************************/
 591
 592 struct ea_list *read_ea_list_entry(TALLOC_CTX *ctx, const char *pdata, size_t data_size, size_t *pbytes_used)
 593 {
 594         struct ea_list *eal = TALLOC_ZERO_P(ctx, struct ea_list);
 595         uint16 val_len;
 596         unsigned int namelen;
 597         size_t converted_size;
 598
 599         if (!eal) {
 600                 return NULL;
 601         }
 602
 603         if (data_size < 6) {
 604                 return NULL;
 605         }
 606
 607         eal->ea.flags = CVAL(pdata,0);
 608         namelen = CVAL(pdata,1);
 609         val_len = SVAL(pdata,2);
 610
 611         if (4 + namelen + 1 + val_len > data_size) {
 612                 return NULL;
 613         }
 614
 615         /* Ensure the name is null terminated. */
 616         if (pdata[namelen + 4] != '\0') {
 617                 return NULL;
 618         }
 619         if (!pull_ascii_talloc(ctx, &eal->ea.name, pdata + 4, &converted_size)) {
 620                 DEBUG(0,("read_ea_list_entry: pull_ascii_talloc failed: %s",
 621                          strerror(errno)));
 622         }
 623         if (!eal->ea.name) {
 624                 return NULL;
 625         }
 626
 627         eal->ea.value = data_blob_talloc(eal, NULL, (size_t)val_len + 1);
 628         if (!eal->ea.value.data) {
 629                 return NULL;
 630         }
 631
 632         memcpy(eal->ea.value.data, pdata + 4 + namelen + 1, val_len);
 633
 634         /* Ensure we're null terminated just in case we print the value. */
 635         eal->ea.value.data[val_len] = '\0';
 636         /* But don't count the null. */
 637         eal->ea.value.length--;
 638
 639         if (pbytes_used) {
 640                 *pbytes_used = 4 + namelen + 1 + val_len;
 641         }
 642
 643         DEBUG(10,("read_ea_list_entry: read ea name %s\n", eal->ea.name));
 644         dump_data(10, eal->ea.value.data, eal->ea.value.length);
 645
 646         return eal;
 647 }
 648
 649 /****************************************************************************
 650  Read a list of EA names and data from an incoming data buffer. Create an ea_list with them.
 651 ****************************************************************************/
 652
 653 static struct ea_list *read_ea_list(TALLOC_CTX *ctx, const char *pdata, size_t data_size)
 654 {
 655         struct ea_list *ea_list_head = NULL;
 656         size_t offset = 0;
 657         size_t bytes_used = 0;
 658
 659         while (offset < data_size) {
 660                 struct ea_list *eal = read_ea_list_entry(ctx, pdata + offset, data_size - offset, &bytes_used);
 661
 662                 if (!eal) {
 663                         return NULL;
 664                 }
 665
 666                 DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
 667                 offset += bytes_used;
 668         }
 669
 670         return ea_list_head;
 671 }
 672
 673 /****************************************************************************
 674  Count the total EA size needed.
 675 ****************************************************************************/
 676
 677 static size_t ea_list_size(struct ea_list *ealist)
 678 {
 679         fstring dos_ea_name;
 680         struct ea_list *listp;
 681         size_t ret = 0;
 682
 683         for (listp = ealist; listp; listp = listp->next) {
 684                 push_ascii_fstring(dos_ea_name, listp->ea.name);
 685                 ret += 4 + strlen(dos_ea_name) + 1 + listp->ea.value.length;
 686         }
 687         /* Add on 4 for total length. */
 688         if (ret) {
 689                 ret += 4;
 690         }
 691
 692         return ret;
 693 }
 694
 695 /****************************************************************************
 696  Return a union of EA's from a file list and a list of names.
 697  The TALLOC context for the two lists *MUST* be identical as we steal
 698  memory from one list to add to another. JRA.
 699 ****************************************************************************/
 700
 701 static struct ea_list *ea_list_union(struct ea_list *name_list, struct ea_list *file_list, size_t *total_ea_len)
 702 {
 703         struct ea_list *nlistp, *flistp;
 704
 705         for (nlistp = name_list; nlistp; nlistp = nlistp->next) {
 706                 for (flistp = file_list; flistp; flistp = flistp->next) {
 707                         if (strequal(nlistp->ea.name, flistp->ea.name)) {
 708                                 break;
 709                         }
 710                 }
 711
 712                 if (flistp) {
 713                         /* Copy the data from this entry. */
 714                         nlistp->ea.flags = flistp->ea.flags;
 715                         nlistp->ea.value = flistp->ea.value;
 716                 } else {
 717                         /* Null entry. */
 718                         nlistp->ea.flags = 0;
 719                         ZERO_STRUCT(nlistp->ea.value);
 720                 }
 721         }
 722
 723         *total_ea_len = ea_list_size(name_list);
 724         return name_list;
 725 }
 726
 727 /****************************************************************************
 728   Send the required number of replies back.
 729   We assume all fields other than the data fields are
 730   set correctly for the type of call.
 731   HACK ! Always assumes smb_setup field is zero.
 732 ****************************************************************************/
 733
 734 void send_trans2_replies(connection_struct *conn,
 735                         struct smb_request *req,
 736                          const char *params,
 737                          int paramsize,
 738                          const char *pdata,
 739                          int datasize,
 740                          int max_data_bytes)
 741 {
 742         /* As we are using a protocol > LANMAN1 then the max_send
 743          variable must have been set in the sessetupX call.
 744          This takes precedence over the max_xmit field in the
 745          global struct. These different max_xmit variables should
 746          be merged as this is now too confusing */
 747
 748         int data_to_send = datasize;
 749         int params_to_send = paramsize;
 750         int useable_space;
 751         const char *pp = params;
 752         const char *pd = pdata;
 753         int params_sent_thistime, data_sent_thistime, total_sent_thistime;
 754         int alignment_offset = 1; /* JRA. This used to be 3. Set to 1 to make netmon parse ok. */
 755         int data_alignment_offset = 0;
 756         bool overflow = False;
 757         struct smbd_server_connection *sconn = smbd_server_conn;
 758         int max_send = sconn->smb1.sessions.max_send;
 759
 760         /* Modify the data_to_send and datasize and set the error if
 761            we're trying to send more than max_data_bytes. We still send
 762            the part of the packet(s) that fit. Strange, but needed
 763            for OS/2. */
 764
 765         if (max_data_bytes > 0 && datasize > max_data_bytes) {
 766                 DEBUG(5,("send_trans2_replies: max_data_bytes %d exceeded by data %d\n",
 767                         max_data_bytes, datasize ));
 768                 datasize = data_to_send = max_data_bytes;
 769                 overflow = True;
 770         }
 771
 772         /* If there genuinely are no parameters or data to send just send the empty packet */
 773
 774         if(params_to_send == 0 && data_to_send == 0) {
 775                 reply_outbuf(req, 10, 0);
 776                 show_msg((char *)req->outbuf);
 777                 if (!srv_send_smb(smbd_server_fd(),
 778                                 (char *)req->outbuf,
 779                                 true, req->seqnum+1,
 780                                 IS_CONN_ENCRYPTED(conn),
 781                                 &req->pcd)) {
 782                         exit_server_cleanly("send_trans2_replies: srv_send_smb failed.");
 783                 }
 784                 TALLOC_FREE(req->outbuf);
 785                 return;
 786         }
 787
 788         /* When sending params and data ensure that both are nicely aligned */
 789         /* Only do this alignment when there is also data to send - else
 790                 can cause NT redirector problems. */
 791
 792         if (((params_to_send % 4) != 0) && (data_to_send != 0))
 793                 data_alignment_offset = 4 - (params_to_send % 4);
 794
 795         /* Space is bufsize minus Netbios over TCP header minus SMB header */
 796         /* The alignment_offset is to align the param bytes on an even byte
 797                 boundary. NT 4.0 Beta needs this to work correctly. */
 798
 799         useable_space = max_send - (smb_size
 800                                     + 2 * 10 /* wct */
 801                                     + alignment_offset
 802                                     + data_alignment_offset);
 803
 804         if (useable_space < 0) {
 805                 DEBUG(0, ("send_trans2_replies failed sanity useable_space "
 806                           "= %d!!!", useable_space));
 807                 exit_server_cleanly("send_trans2_replies: Not enough space");
 808         }
 809
 810         while (params_to_send || data_to_send) {
 811                 /* Calculate whether we will totally or partially fill this packet */
 812
 813                 total_sent_thistime = params_to_send + data_to_send;
 814
 815                 /* We can never send more than useable_space */
 816                 /*
 817                  * Note that 'useable_space' does not include the alignment offsets,
 818                  * but we must include the alignment offsets in the calculation of
 819                  * the length of the data we send over the wire, as the alignment offsets
 820                  * are sent here. Fix from Marc_Jacobsen@hp.com.
 821                  */
 822
 823                 total_sent_thistime = MIN(total_sent_thistime, useable_space);
 824
 825                 reply_outbuf(req, 10, total_sent_thistime + alignment_offset
 826                              + data_alignment_offset);
 827
 828                 /*
 829                  * We might have SMBtrans2s in req which was transferred to
 830                  * the outbuf, fix that.
 831                  */
 832                 SCVAL(req->outbuf, smb_com, SMBtrans2);
 833
 834                 /* Set total params and data to be sent */
 835                 SSVAL(req->outbuf,smb_tprcnt,paramsize);
 836                 SSVAL(req->outbuf,smb_tdrcnt,datasize);
 837
 838                 /* Calculate how many parameters and data we can fit into
 839                  * this packet. Parameters get precedence
 840                  */
 841
 842                 params_sent_thistime = MIN(params_to_send,useable_space);
 843                 data_sent_thistime = useable_space - params_sent_thistime;
 844                 data_sent_thistime = MIN(data_sent_thistime,data_to_send);
 845
 846                 SSVAL(req->outbuf,smb_prcnt, params_sent_thistime);
 847
 848                 /* smb_proff is the offset from the start of the SMB header to the
 849                         parameter bytes, however the first 4 bytes of outbuf are
 850                         the Netbios over TCP header. Thus use smb_base() to subtract
 851                         them from the calculation */
 852
 853                 SSVAL(req->outbuf,smb_proff,
 854                       ((smb_buf(req->outbuf)+alignment_offset)
 855                        - smb_base(req->outbuf)));
 856
 857                 if(params_sent_thistime == 0)
 858                         SSVAL(req->outbuf,smb_prdisp,0);
 859                 else
 860                         /* Absolute displacement of param bytes sent in this packet */
 861                         SSVAL(req->outbuf,smb_prdisp,pp - params);
 862
 863                 SSVAL(req->outbuf,smb_drcnt, data_sent_thistime);
 864                 if(data_sent_thistime == 0) {
 865                         SSVAL(req->outbuf,smb_droff,0);
 866                         SSVAL(req->outbuf,smb_drdisp, 0);
 867                 } else {
 868                         /* The offset of the data bytes is the offset of the
 869                                 parameter bytes plus the number of parameters being sent this time */
 870                         SSVAL(req->outbuf, smb_droff,
 871                               ((smb_buf(req->outbuf)+alignment_offset)
 872                                - smb_base(req->outbuf))
 873                               + params_sent_thistime + data_alignment_offset);
 874                         SSVAL(req->outbuf,smb_drdisp, pd - pdata);
 875                 }
 876
 877                 /* Initialize the padding for alignment */
 878
 879                 if (alignment_offset != 0) {
 880                         memset(smb_buf(req->outbuf), 0, alignment_offset);
 881                 }
 882
 883                 /* Copy the param bytes into the packet */
 884
 885                 if(params_sent_thistime) {
 886                         memcpy((smb_buf(req->outbuf)+alignment_offset), pp,
 887                                params_sent_thistime);
 888                 }
 889
 890                 /* Copy in the data bytes */
 891                 if(data_sent_thistime) {
 892                         if (data_alignment_offset != 0) {
 893                                 memset((smb_buf(req->outbuf)+alignment_offset+
 894                                         params_sent_thistime), 0,
 895                                        data_alignment_offset);
 896                         }
 897                         memcpy(smb_buf(req->outbuf)+alignment_offset
 898                                +params_sent_thistime+data_alignment_offset,
 899                                pd,data_sent_thistime);
 900                 }
 901
 902                 DEBUG(9,("t2_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
 903                         params_sent_thistime, data_sent_thistime, useable_space));
 904                 DEBUG(9,("t2_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
 905                         params_to_send, data_to_send, paramsize, datasize));
 906
 907                 if (overflow) {
 908                         error_packet_set((char *)req->outbuf,
 909                                          ERRDOS,ERRbufferoverflow,
 910                                          STATUS_BUFFER_OVERFLOW,
 911                                          __LINE__,__FILE__);
 912                 }
 913
 914                 /* Send the packet */
 915                 show_msg((char *)req->outbuf);
 916                 if (!srv_send_smb(smbd_server_fd(),
 917                                 (char *)req->outbuf,
 918                                 true, req->seqnum+1,
 919                                 IS_CONN_ENCRYPTED(conn),
 920                                 &req->pcd))
 921                         exit_server_cleanly("send_trans2_replies: srv_send_smb failed.");
 922
 923                 TALLOC_FREE(req->outbuf);
 924
 925                 pp += params_sent_thistime;
 926                 pd += data_sent_thistime;
 927
 928                 params_to_send -= params_sent_thistime;
 929                 data_to_send -= data_sent_thistime;
 930
 931                 /* Sanity check */
 932                 if(params_to_send < 0 || data_to_send < 0) {
 933                         DEBUG(0,("send_trans2_replies failed sanity check pts = %d, dts = %d\n!!!",
 934                                 params_to_send, data_to_send));
 935                         return;
 936                 }
 937         }
 938
 939         return;
 940 }
 941
 942 /****************************************************************************
 943  Reply to a TRANSACT2_OPEN.
 944 ****************************************************************************/
 945
 946 static void call_trans2open(connection_struct *conn,
 947                             struct smb_request *req,
 948                             char **pparams, int total_params,
 949                             char **ppdata, int total_data,
 950                             unsigned int max_data_bytes)
 951 {
 952         struct smb_filename *smb_fname = NULL;
 953         char *params = *pparams;
 954         char *pdata = *ppdata;
 955         int deny_mode;
 956         int32 open_attr;
 957         bool oplock_request;
 958 #if 0
 959         bool return_additional_info;
 960         int16 open_sattr;
 961         time_t open_time;
 962 #endif
 963         int open_ofun;
 964         uint32 open_size;
 965         char *pname;
 966         char *fname = NULL;
 967         SMB_OFF_T size=0;
 968         int fattr=0,mtime=0;
 969         SMB_INO_T inode = 0;
 970         int smb_action = 0;
 971         files_struct *fsp;
 972         struct ea_list *ea_list = NULL;
 973         uint16 flags = 0;
 974         NTSTATUS status;
 975         uint32 access_mask;
 976         uint32 share_mode;
 977         uint32 create_disposition;
 978         uint32 create_options = 0;
 979         TALLOC_CTX *ctx = talloc_tos();
 980
 981         /*
 982          * Ensure we have enough parameters to perform the operation.
 983          */
 984
 985         if (total_params < 29) {
 986                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
 987                 goto out;
 988         }
 989
 990         flags = SVAL(params, 0);
 991         deny_mode = SVAL(params, 2);
 992         open_attr = SVAL(params,6);
 993         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
 994         if (oplock_request) {
 995                 oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
 996         }
 997
 998 #if 0
 999         return_additional_info = BITSETW(params,0);
1000         open_sattr = SVAL(params, 4);
1001         open_time = make_unix_date3(params+8);
1002 #endif
1003         open_ofun = SVAL(params,12);
1004         open_size = IVAL(params,14);
1005         pname = &params[28];
1006
1007         if (IS_IPC(conn)) {
1008                 reply_doserror(req, ERRSRV, ERRaccess);
1009                 goto out;
1010         }
1011
1012         srvstr_get_path(ctx, params, req->flags2, &fname, pname,
1013                         total_params - 28, STR_TERMINATE,
1014                         &status);
1015         if (!NT_STATUS_IS_OK(status)) {
1016                 reply_nterror(req, status);
1017                 goto out;
1018         }
1019
1020         DEBUG(3,("call_trans2open %s deny_mode=0x%x attr=%d ofun=0x%x size=%d\n",
1021                 fname, (unsigned int)deny_mode, (unsigned int)open_attr,
1022                 (unsigned int)open_ofun, open_size));
1023
1024         status = filename_convert(ctx,
1025                                 conn,
1026                                 req->flags2 & FLAGS2_DFS_PATHNAMES,
1027                                 fname,
1028                                 0,
1029                                 NULL,
1030                                 &smb_fname);
1031         if (!NT_STATUS_IS_OK(status)) {
1032                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1033                         reply_botherror(req,
1034                                 NT_STATUS_PATH_NOT_COVERED,
1035                                 ERRSRV, ERRbadpath);
1036                         goto out;
1037                 }
1038                 reply_nterror(req, status);
1039                 goto out;
1040         }
1041
1042         if (open_ofun == 0) {
1043                 reply_nterror(req, NT_STATUS_OBJECT_NAME_COLLISION);
1044                 goto out;
1045         }
1046
1047         if (!map_open_params_to_ntcreate(smb_fname, deny_mode, open_ofun,
1048                                          &access_mask, &share_mode,
1049                                          &create_disposition,
1050                                          &create_options)) {
1051                 reply_doserror(req, ERRDOS, ERRbadaccess);
1052                 goto out;
1053         }
1054
1055         /* Any data in this call is an EA list. */
1056         if (total_data && (total_data != 4) && !lp_ea_support(SNUM(conn))) {
1057                 reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
1058                 goto out;
1059         }
1060
1061         if (total_data != 4) {
1062                 if (total_data < 10) {
1063                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1064                         goto out;
1065                 }
1066
1067                 if (IVAL(pdata,0) > total_data) {
1068                         DEBUG(10,("call_trans2open: bad total data size (%u) > %u\n",
1069                                 IVAL(pdata,0), (unsigned int)total_data));
1070                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1071                         goto out;
1072                 }
1073
1074                 ea_list = read_ea_list(talloc_tos(), pdata + 4,
1075                                        total_data - 4);
1076                 if (!ea_list) {
1077                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1078                         goto out;
1079                 }
1080         } else if (IVAL(pdata,0) != 4) {
1081                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1082                 goto out;
1083         }
1084
1085         status = SMB_VFS_CREATE_FILE(
1086                 conn,                                   /* conn */
1087                 req,                                    /* req */
1088                 0,                                      /* root_dir_fid */
1089                 smb_fname,                              /* fname */
1090                 access_mask,                            /* access_mask */
1091                 share_mode,                             /* share_access */
1092                 create_disposition,                     /* create_disposition*/
1093                 create_options,                         /* create_options */
1094                 open_attr,                              /* file_attributes */
1095                 oplock_request,                         /* oplock_request */
1096                 open_size,                              /* allocation_size */
1097                 NULL,                                   /* sd */
1098                 ea_list,                                /* ea_list */
1099                 &fsp,                                   /* result */
1100                 &smb_action);                           /* psbuf */
1101
1102         if (!NT_STATUS_IS_OK(status)) {
1103                 if (open_was_deferred(req->mid)) {
1104                         /* We have re-scheduled this call. */
1105                         goto out;
1106                 }
1107                 reply_openerror(req, status);
1108                 goto out;
1109         }
1110
1111         size = get_file_size_stat(&smb_fname->st);
1112         fattr = dos_mode(conn, smb_fname);
1113         mtime = convert_timespec_to_time_t(smb_fname->st.st_ex_mtime);
1114         inode = smb_fname->st.st_ex_ino;
1115         if (fattr & aDIR) {
1116                 close_file(req, fsp, ERROR_CLOSE);
1117                 reply_doserror(req, ERRDOS,ERRnoaccess);
1118                 goto out;
1119         }
1120
1121         /* Realloc the size of parameters and data we will return */
1122         *pparams = (char *)SMB_REALLOC(*pparams, 30);
1123         if(*pparams == NULL ) {
1124                 reply_nterror(req, NT_STATUS_NO_MEMORY);
1125                 goto out;
1126         }
1127         params = *pparams;
1128
1129         SSVAL(params,0,fsp->fnum);
1130         SSVAL(params,2,fattr);
1131         srv_put_dos_date2(params,4, mtime);
1132         SIVAL(params,8, (uint32)size);
1133         SSVAL(params,12,deny_mode);
1134         SSVAL(params,14,0); /* open_type - file or directory. */
1135         SSVAL(params,16,0); /* open_state - only valid for IPC device. */
1136
1137         if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
1138                 smb_action |= EXTENDED_OPLOCK_GRANTED;
1139         }
1140
1141         SSVAL(params,18,smb_action);
1142
1143         /*
1144          * WARNING - this may need to be changed if SMB_INO_T <> 4 bytes.
1145          */
1146         SIVAL(params,20,inode);
1147         SSVAL(params,24,0); /* Padding. */
1148         if (flags & 8) {
1149                 uint32 ea_size = estimate_ea_size(conn, fsp,
1150                                                   fsp->fsp_name->base_name);
1151                 SIVAL(params, 26, ea_size);
1152         } else {
1153                 SIVAL(params, 26, 0);
1154         }
1155
1156         /* Send the required number of replies */
1157         send_trans2_replies(conn, req, params, 30, *ppdata, 0, max_data_bytes);
1158  out:
1159         TALLOC_FREE(smb_fname);
1160 }
1161
1162 /*********************************************************
1163  Routine to check if a given string matches exactly.
1164  as a special case a mask of "." does NOT match. That
1165  is required for correct wildcard semantics
1166  Case can be significant or not.
1167 **********************************************************/
1168
1169 static bool exact_match(bool has_wild,
1170                         bool case_sensitive,
1171                         const char *str,
1172                         const char *mask)
1173 {
1174         if (mask[0] == '.' && mask[1] == 0) {
1175                 return false;
1176         }
1177
1178         if (has_wild) {
1179                 return false;
1180         }
1181
1182         if (case_sensitive) {
1183                 return strcmp(str,mask)==0;
1184         } else {
1185                 return StrCaseCmp(str,mask) == 0;
1186         }
1187 }
1188
1189 /****************************************************************************
1190  Return the filetype for UNIX extensions.
1191 ****************************************************************************/
1192
1193 static uint32 unix_filetype(mode_t mode)
1194 {
1195         if(S_ISREG(mode))
1196                 return UNIX_TYPE_FILE;
1197         else if(S_ISDIR(mode))
1198                 return UNIX_TYPE_DIR;
1199 #ifdef S_ISLNK
1200         else if(S_ISLNK(mode))
1201                 return UNIX_TYPE_SYMLINK;
1202 #endif
1203 #ifdef S_ISCHR
1204         else if(S_ISCHR(mode))
1205                 return UNIX_TYPE_CHARDEV;
1206 #endif
1207 #ifdef S_ISBLK
1208         else if(S_ISBLK(mode))
1209                 return UNIX_TYPE_BLKDEV;
1210 #endif
1211 #ifdef S_ISFIFO
1212         else if(S_ISFIFO(mode))
1213                 return UNIX_TYPE_FIFO;
1214 #endif
1215 #ifdef S_ISSOCK
1216         else if(S_ISSOCK(mode))
1217                 return UNIX_TYPE_SOCKET;
1218 #endif
1219
1220         DEBUG(0,("unix_filetype: unknown filetype %u\n", (unsigned)mode));
1221         return UNIX_TYPE_UNKNOWN;
1222 }
1223
1224 /****************************************************************************
1225  Map wire perms onto standard UNIX permissions. Obey share restrictions.
1226 ****************************************************************************/
1227
1228 enum perm_type { PERM_NEW_FILE, PERM_NEW_DIR, PERM_EXISTING_FILE, PERM_EXISTING_DIR};
1229
1230 static NTSTATUS unix_perms_from_wire( connection_struct *conn,
1231                                 const SMB_STRUCT_STAT *psbuf,
1232                                 uint32 perms,
1233                                 enum perm_type ptype,
1234                                 mode_t *ret_perms)
1235 {
1236         mode_t ret = 0;
1237
1238         if (perms == SMB_MODE_NO_CHANGE) {
1239                 if (!VALID_STAT(*psbuf)) {
1240                         return NT_STATUS_INVALID_PARAMETER;
1241                 } else {
1242                         *ret_perms = psbuf->st_ex_mode;
1243                         return NT_STATUS_OK;
1244                 }
1245         }
1246
1247         ret |= ((perms & UNIX_X_OTH ) ? S_IXOTH : 0);
1248         ret |= ((perms & UNIX_W_OTH ) ? S_IWOTH : 0);
1249         ret |= ((perms & UNIX_R_OTH ) ? S_IROTH : 0);
1250         ret |= ((perms & UNIX_X_GRP ) ? S_IXGRP : 0);
1251         ret |= ((perms & UNIX_W_GRP ) ? S_IWGRP : 0);
1252         ret |= ((perms & UNIX_R_GRP ) ? S_IRGRP : 0);
1253         ret |= ((perms & UNIX_X_USR ) ? S_IXUSR : 0);
1254         ret |= ((perms & UNIX_W_USR ) ? S_IWUSR : 0);
1255         ret |= ((perms & UNIX_R_USR ) ? S_IRUSR : 0);
1256 #ifdef S_ISVTX
1257         ret |= ((perms & UNIX_STICKY ) ? S_ISVTX : 0);
1258 #endif
1259 #ifdef S_ISGID
1260         ret |= ((perms & UNIX_SET_GID ) ? S_ISGID : 0);
1261 #endif
1262 #ifdef S_ISUID
1263         ret |= ((perms & UNIX_SET_UID ) ? S_ISUID : 0);
1264 #endif
1265
1266         switch (ptype) {
1267         case PERM_NEW_FILE:
1268                 /* Apply mode mask */
1269                 ret &= lp_create_mask(SNUM(conn));
1270                 /* Add in force bits */
1271                 ret |= lp_force_create_mode(SNUM(conn));
1272                 break;
1273         case PERM_NEW_DIR:
1274                 ret &= lp_dir_mask(SNUM(conn));
1275                 /* Add in force bits */
1276                 ret |= lp_force_dir_mode(SNUM(conn));
1277                 break;
1278         case PERM_EXISTING_FILE:
1279                 /* Apply mode mask */
1280                 ret &= lp_security_mask(SNUM(conn));
1281                 /* Add in force bits */
1282                 ret |= lp_force_security_mode(SNUM(conn));
1283                 break;
1284         case PERM_EXISTING_DIR:
1285                 /* Apply mode mask */
1286                 ret &= lp_dir_security_mask(SNUM(conn));
1287                 /* Add in force bits */
1288                 ret |= lp_force_dir_security_mode(SNUM(conn));
1289                 break;
1290         }
1291
1292         *ret_perms = ret;
1293         return NT_STATUS_OK;
1294 }
1295
1296 /****************************************************************************
1297  Needed to show the msdfs symlinks as directories. Modifies psbuf
1298  to be a directory if it's a msdfs link.
1299 ****************************************************************************/
1300
1301 static bool check_msdfs_link(connection_struct *conn,
1302                                 const char *pathname,
1303                                 SMB_STRUCT_STAT *psbuf)
1304 {
1305         int saved_errno = errno;
1306         if(lp_host_msdfs() &&
1307                 lp_msdfs_root(SNUM(conn)) &&
1308                 is_msdfs_link(conn, pathname, psbuf)) {
1309
1310                 DEBUG(5,("check_msdfs_link: Masquerading msdfs link %s "
1311                         "as a directory\n",
1312                         pathname));
1313                 psbuf->st_ex_mode = (psbuf->st_ex_mode & 0xFFF) | S_IFDIR;
1314                 errno = saved_errno;
1315                 return true;
1316         }
1317         errno = saved_errno;
1318         return false;
1319 }
1320
1321
1322 /****************************************************************************
1323  Get a level dependent lanman2 dir entry.
1324 ****************************************************************************/
1325
1326 struct smbd_dirptr_lanman2_state {
1327         connection_struct *conn;
1328         uint32_t info_level;
1329         bool check_mangled_names;
1330         bool has_wild;
1331         bool got_exact_match;
1332 };
1333
1334 static bool smbd_dirptr_lanman2_match_fn(TALLOC_CTX *ctx,
1335                                          void *private_data,
1336                                          const char *dname,
1337                                          const char *mask,
1338                                          char **_fname)
1339 {
1340         struct smbd_dirptr_lanman2_state *state =
1341                 (struct smbd_dirptr_lanman2_state *)private_data;
1342         bool ok;
1343         char mangled_name[13]; /* mangled 8.3 name. */
1344         bool got_match;
1345         const char *fname;
1346
1347         /* Mangle fname if it's an illegal name. */
1348         if (mangle_must_mangle(dname, state->conn->params)) {
1349                 ok = name_to_8_3(dname, mangled_name,
1350                                  true, state->conn->params);
1351                 if (!ok) {
1352                         return false;
1353                 }
1354                 fname = mangled_name;
1355         } else {
1356                 fname = dname;
1357         }
1358
1359         got_match = exact_match(state->has_wild,
1360                                 state->conn->case_sensitive,
1361                                 fname, mask);
1362         state->got_exact_match = got_match;
1363         if (!got_match) {
1364                 got_match = mask_match(fname, mask,
1365                                        state->conn->case_sensitive);
1366         }
1367
1368         if(!got_match && state->check_mangled_names &&
1369            !mangle_is_8_3(fname, false, state->conn->params)) {
1370                 /*
1371                  * It turns out that NT matches wildcards against
1372                  * both long *and* short names. This may explain some
1373                  * of the wildcard wierdness from old DOS clients
1374                  * that some people have been seeing.... JRA.
1375                  */
1376                 /* Force the mangling into 8.3. */
1377                 ok = name_to_8_3(fname, mangled_name,
1378                                  false, state->conn->params);
1379                 if (!ok) {
1380                         return false;
1381                 }
1382
1383                 got_match = exact_match(state->has_wild,
1384                                         state->conn->case_sensitive,
1385                                         mangled_name, mask);
1386                 state->got_exact_match = got_match;
1387                 if (!got_match) {
1388                         got_match = mask_match(mangled_name, mask,
1389                                                state->conn->case_sensitive);
1390                 }
1391         }
1392
1393         if (!got_match) {
1394                 return false;
1395         }
1396
1397         *_fname = talloc_strdup(ctx, fname);
1398         if (*_fname == NULL) {
1399                 return false;
1400         }
1401
1402         return true;
1403 }
1404
1405 static bool smbd_dirptr_lanman2_mode_fn(TALLOC_CTX *ctx,
1406                                         void *private_data,
1407                                         struct smb_filename *smb_fname,
1408                                         uint32_t *_mode)
1409 {
1410         struct smbd_dirptr_lanman2_state *state =
1411                 (struct smbd_dirptr_lanman2_state *)private_data;
1412         bool ms_dfs_link = false;
1413         uint32_t mode = 0;
1414
1415         if (INFO_LEVEL_IS_UNIX(state->info_level)) {
1416                 if (SMB_VFS_LSTAT(state->conn, smb_fname) != 0) {
1417                         DEBUG(5,("smbd_dirptr_lanman2_mode_fn: "
1418                                  "Couldn't lstat [%s] (%s)\n",
1419                                  smb_fname_str_dbg(smb_fname),
1420                                  strerror(errno)));
1421                         return false;
1422                 }
1423         } else if (!VALID_STAT(smb_fname->st) &&
1424                    SMB_VFS_STAT(state->conn, smb_fname) != 0) {
1425                 /* Needed to show the msdfs symlinks as
1426                  * directories */
1427
1428                 ms_dfs_link = check_msdfs_link(state->conn,
1429                                                smb_fname->base_name,
1430                                                &smb_fname->st);
1431                 if (!ms_dfs_link) {
1432                         DEBUG(5,("smbd_dirptr_lanman2_mode_fn: "
1433                                  "Couldn't stat [%s] (%s)\n",
1434                                  smb_fname_str_dbg(smb_fname),
1435                                  strerror(errno)));
1436                         return false;
1437                 }
1438         }
1439
1440         if (ms_dfs_link) {
1441                 mode = dos_mode_msdfs(state->conn, smb_fname);
1442         } else {
1443                 mode = dos_mode(state->conn, smb_fname);
1444         }
1445
1446         *_mode = mode;
1447         return true;
1448 }
1449
1450 static bool smbd_marshall_dir_entry(TALLOC_CTX *ctx,
1451                                     connection_struct *conn,
1452                                     uint16_t flags2,
1453                                     uint32_t info_level,
1454                                     struct ea_list *name_list,
1455                                     bool check_mangled_names,
1456                                     bool requires_resume_key,
1457                                     uint32_t mode,
1458                                     const char *fname,
1459                                     const struct smb_filename *smb_fname,
1460                                     uint64_t space_remaining,
1461                                     uint8_t align,
1462                                     bool do_pad,
1463                                     char *base_data,
1464                                     char **ppdata,
1465                                     char *end_data,
1466                                     bool *out_of_space,
1467                                     uint64_t *last_entry_off)
1468 {
1469         char *p, *q, *pdata = *ppdata;
1470         uint32_t reskey=0;
1471         uint64_t file_size = 0;
1472         uint64_t allocation_size = 0;
1473         uint32_t len;
1474         struct timespec mdate_ts, adate_ts, cdate_ts, create_date_ts;
1475         time_t mdate = (time_t)0, adate = (time_t)0, create_date = (time_t)0;
1476         time_t c_date = (time_t)0;
1477         char *nameptr;
1478         char *last_entry_ptr;
1479         bool was_8_3;
1480         uint32_t nt_extmode; /* Used for NT connections instead of mode */
1481         off_t off;
1482         off_t pad = 0;
1483
1484         *out_of_space = false;
1485
1486         ZERO_STRUCT(mdate_ts);
1487         ZERO_STRUCT(adate_ts);
1488         ZERO_STRUCT(create_date_ts);
1489         ZERO_STRUCT(cdate_ts);
1490
1491         if (!(mode & aDIR)) {
1492                 file_size = get_file_size_stat(&smb_fname->st);
1493         }
1494         allocation_size = SMB_VFS_GET_ALLOC_SIZE(conn, NULL, &smb_fname->st);
1495
1496         mdate_ts = smb_fname->st.st_ex_mtime;
1497         adate_ts = smb_fname->st.st_ex_atime;
1498         create_date_ts = get_create_timespec(conn, NULL, smb_fname);
1499         cdate_ts = get_change_timespec(conn, NULL, smb_fname);
1500
1501         if (lp_dos_filetime_resolution(SNUM(conn))) {
1502                 dos_filetime_timespec(&create_date_ts);
1503                 dos_filetime_timespec(&mdate_ts);
1504                 dos_filetime_timespec(&adate_ts);
1505                 dos_filetime_timespec(&cdate_ts);
1506         }
1507
1508         create_date = convert_timespec_to_time_t(create_date_ts);
1509         mdate = convert_timespec_to_time_t(mdate_ts);
1510         adate = convert_timespec_to_time_t(adate_ts);
1511         c_date = convert_timespec_to_time_t(cdate_ts);
1512
1513         /* align the record */
1514         off = PTR_DIFF(pdata, base_data);
1515         pad = (off + (align-1)) & ~(align-1);
1516         pad -= off;
1517         off += pad;
1518         /* initialize padding to 0 */
1519         memset(pdata, 0, pad);
1520         space_remaining -= pad;
1521
1522         pdata += pad;
1523         p = pdata;
1524         last_entry_ptr = p;
1525
1526         pad = 0;
1527         off = 0;
1528
1529         nt_extmode = mode ? mode : FILE_ATTRIBUTE_NORMAL;
1530
1531         switch (info_level) {
1532         case SMB_FIND_INFO_STANDARD:
1533                 DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_INFO_STANDARD\n"));
1534                 if(requires_resume_key) {
1535                         SIVAL(p,0,reskey);
1536                         p += 4;
1537                 }
1538                 srv_put_dos_date2(p,0,create_date);
1539                 srv_put_dos_date2(p,4,adate);
1540                 srv_put_dos_date2(p,8,mdate);
1541                 SIVAL(p,12,(uint32)file_size);
1542                 SIVAL(p,16,(uint32)allocation_size);
1543                 SSVAL(p,20,mode);
1544                 p += 23;
1545                 nameptr = p;
1546                 if (flags2 & FLAGS2_UNICODE_STRINGS) {
1547                         p += ucs2_align(base_data, p, 0);
1548                 }
1549                 len = srvstr_push(base_data, flags2, p,
1550                                   fname, PTR_DIFF(end_data, p),
1551                                   STR_TERMINATE);
1552                 if (flags2 & FLAGS2_UNICODE_STRINGS) {
1553                         if (len > 2) {
1554                                 SCVAL(nameptr, -1, len - 2);
1555                         } else {
1556                                 SCVAL(nameptr, -1, 0);
1557                         }
1558                 } else {
1559                         if (len > 1) {
1560                                 SCVAL(nameptr, -1, len - 1);
1561                         } else {
1562                                 SCVAL(nameptr, -1, 0);
1563                         }
1564                 }
1565                 p += len;
1566                 break;
1567
1568         case SMB_FIND_EA_SIZE:
1569                 DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_EA_SIZE\n"));
1570                 if (requires_resume_key) {
1571                         SIVAL(p,0,reskey);
1572                         p += 4;
1573                 }
1574                 srv_put_dos_date2(p,0,create_date);
1575                 srv_put_dos_date2(p,4,adate);
1576                 srv_put_dos_date2(p,8,mdate);
1577                 SIVAL(p,12,(uint32)file_size);
1578                 SIVAL(p,16,(uint32)allocation_size);
1579                 SSVAL(p,20,mode);
1580                 {
1581                         unsigned int ea_size = estimate_ea_size(conn, NULL,
1582                                                                 smb_fname->base_name);
1583                         SIVAL(p,22,ea_size); /* Extended attributes */
1584                 }
1585                 p += 27;
1586                 nameptr = p - 1;
1587                 len = srvstr_push(base_data, flags2,
1588                                   p, fname, PTR_DIFF(end_data, p),
1589                                   STR_TERMINATE | STR_NOALIGN);
1590                 if (flags2 & FLAGS2_UNICODE_STRINGS) {
1591                         if (len > 2) {
1592                                 len -= 2;
1593                         } else {
1594                                 len = 0;
1595                         }
1596                 } else {
1597                         if (len > 1) {
1598                                 len -= 1;
1599                         } else {
1600                                 len = 0;
1601                         }
1602                 }
1603                 SCVAL(nameptr,0,len);
1604                 p += len;
1605                 SCVAL(p,0,0); p += 1; /* Extra zero byte ? - why.. */
1606                 break;
1607
1608         case SMB_FIND_EA_LIST:
1609         {
1610                 struct ea_list *file_list = NULL;
1611                 size_t ea_len = 0;
1612
1613                 DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_EA_LIST\n"));
1614                 if (!name_list) {
1615                         return false;
1616                 }
1617                 if (requires_resume_key) {
1618                         SIVAL(p,0,reskey);
1619                         p += 4;
1620                 }
1621                 srv_put_dos_date2(p,0,create_date);
1622                 srv_put_dos_date2(p,4,adate);
1623                 srv_put_dos_date2(p,8,mdate);
1624                 SIVAL(p,12,(uint32)file_size);
1625                 SIVAL(p,16,(uint32)allocation_size);
1626                 SSVAL(p,20,mode);
1627                 p += 22; /* p now points to the EA area. */
1628
1629                 file_list = get_ea_list_from_file(ctx, conn, NULL,
1630                                                   smb_fname->base_name,
1631                                                   &ea_len);
1632                 name_list = ea_list_union(name_list, file_list, &ea_len);
1633
1634                 /* We need to determine if this entry will fit in the space available. */
1635                 /* Max string size is 255 bytes. */
1636                 if (PTR_DIFF(p + 255 + ea_len,pdata) > space_remaining) {
1637                         *out_of_space = true;
1638                         DEBUG(9,("get_lanman2_dir_entry: out of space\n"));
1639                         return False; /* Not finished - just out of space */
1640                 }
1641
1642                 /* Push the ea_data followed by the name. */
1643                 p += fill_ea_buffer(ctx, p, space_remaining, conn, name_list);
1644                 nameptr = p;
1645                 len = srvstr_push(base_data, flags2,
1646                                   p + 1, fname, PTR_DIFF(end_data, p+1),
1647                                   STR_TERMINATE | STR_NOALIGN);
1648                 if (flags2 & FLAGS2_UNICODE_STRINGS) {
1649                         if (len > 2) {
1650                                 len -= 2;
1651                         } else {
1652                                 len = 0;
1653                         }
1654                 } else {
1655                         if (len > 1) {
1656                                 len -= 1;
1657                         } else {
1658                                 len = 0;
1659                         }
1660                 }
1661                 SCVAL(nameptr,0,len);
1662                 p += len + 1;
1663                 SCVAL(p,0,0); p += 1; /* Extra zero byte ? - why.. */
1664                 break;
1665         }
1666
1667         case SMB_FIND_FILE_BOTH_DIRECTORY_INFO:
1668                 DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_FILE_BOTH_DIRECTORY_INFO\n"));
1669                 was_8_3 = mangle_is_8_3(fname, True, conn->params);
1670                 p += 4;
1671                 SIVAL(p,0,reskey); p += 4;
1672                 put_long_date_timespec(p,create_date_ts); p += 8;
1673                 put_long_date_timespec(p,adate_ts); p += 8;
1674                 put_long_date_timespec(p,mdate_ts); p += 8;
1675                 put_long_date_timespec(p,cdate_ts); p += 8;
1676                 SOFF_T(p,0,file_size); p += 8;
1677                 SOFF_T(p,0,allocation_size); p += 8;
1678                 SIVAL(p,0,nt_extmode); p += 4;
1679                 q = p; p += 4; /* q is placeholder for name length. */
1680                 {
1681                         unsigned int ea_size = estimate_ea_size(conn, NULL,
1682                                                                 smb_fname->base_name);
1683                         SIVAL(p,0,ea_size); /* Extended attributes */
1684                         p += 4;
1685                 }
1686                 /* Clear the short name buffer. This is
1687                  * IMPORTANT as not doing so will trigger
1688                  * a Win2k client bug. JRA.
1689                  */
1690                 if (!was_8_3 && check_mangled_names) {
1691                         char mangled_name[13]; /* mangled 8.3 name. */
1692                         if (!name_to_8_3(fname,mangled_name,True,
1693                                            conn->params)) {
1694                                 /* Error - mangle failed ! */
1695                                 memset(mangled_name,'\0',12);
1696                         }
1697                         mangled_name[12] = 0;
1698                         len = srvstr_push(base_data, flags2,
1699                                           p+2, mangled_name, 24,
1700                                           STR_UPPER|STR_UNICODE);
1701                         if (len < 24) {
1702                                 memset(p + 2 + len,'\0',24 - len);
1703                         }
1704                         SSVAL(p, 0, len);
1705                 } else {
1706                         memset(p,'\0',26);
1707                 }
1708                 p += 2 + 24;
1709                 len = srvstr_push(base_data, flags2, p,
1710                                   fname, PTR_DIFF(end_data, p),
1711                                   STR_TERMINATE_ASCII);
1712                 SIVAL(q,0,len);
1713                 p += len;
1714
1715                 len = PTR_DIFF(p, pdata);
1716                 pad = (len + (align-1)) & ~(align-1);
1717                 /*
1718                  * offset to the next entry, the caller
1719                  * will overwrite it for the last entry
1720                  * that's why we always include the padding
1721                  */
1722                 SIVAL(pdata,0,pad);
1723                 /*
1724                  * set padding to zero
1725                  */
1726                 if (do_pad) {
1727                         memset(p, 0, pad - len);
1728                         p = pdata + pad;
1729                 } else {
1730                         p = pdata + len;
1731                 }
1732                 break;
1733
1734         case SMB_FIND_FILE_DIRECTORY_INFO:
1735                 DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_FILE_DIRECTORY_INFO\n"));
1736                 p += 4;
1737                 SIVAL(p,0,reskey); p += 4;
1738                 put_long_date_timespec(p,create_date_ts); p += 8;
1739                 put_long_date_timespec(p,adate_ts); p += 8;
1740                 put_long_date_timespec(p,mdate_ts); p += 8;
1741                 put_long_date_timespec(p,cdate_ts); p += 8;
1742                 SOFF_T(p,0,file_size); p += 8;
1743                 SOFF_T(p,0,allocation_size); p += 8;
1744                 SIVAL(p,0,nt_extmode); p += 4;
1745                 len = srvstr_push(base_data, flags2,
1746                                   p + 4, fname, PTR_DIFF(end_data, p+4),
1747                                   STR_TERMINATE_ASCII);
1748                 SIVAL(p,0,len);
1749                 p += 4 + len;
1750
1751                 len = PTR_DIFF(p, pdata);
1752                 pad = (len + (align-1)) & ~(align-1);
1753                 /*
1754                  * offset to the next entry, the caller
1755                  * will overwrite it for the last entry
1756                  * that's why we always include the padding
1757                  */
1758                 SIVAL(pdata,0,pad);
1759                 /*
1760                  * set padding to zero
1761                  */
1762                 if (do_pad) {
1763                         memset(p, 0, pad - len);
1764                         p = pdata + pad;
1765                 } else {
1766                         p = pdata + len;
1767                 }
1768                 break;
1769
1770         case SMB_FIND_FILE_FULL_DIRECTORY_INFO:
1771                 DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_FILE_FULL_DIRECTORY_INFO\n"));
1772                 p += 4;
1773                 SIVAL(p,0,reskey); p += 4;
1774                 put_long_date_timespec(p,create_date_ts); p += 8;
1775                 put_long_date_timespec(p,adate_ts); p += 8;
1776                 put_long_date_timespec(p,mdate_ts); p += 8;
1777                 put_long_date_timespec(p,cdate_ts); p += 8;
1778                 SOFF_T(p,0,file_size); p += 8;
1779                 SOFF_T(p,0,allocation_size); p += 8;
1780                 SIVAL(p,0,nt_extmode); p += 4;
1781                 q = p; p += 4; /* q is placeholder for name length. */
1782                 {
1783                         unsigned int ea_size = estimate_ea_size(conn, NULL,
1784                                                                 smb_fname->base_name);
1785                         SIVAL(p,0,ea_size); /* Extended attributes */
1786                         p +=4;
1787                 }
1788                 len = srvstr_push(base_data, flags2, p,
1789                                   fname, PTR_DIFF(end_data, p),
1790                                   STR_TERMINATE_ASCII);
1791                 SIVAL(q, 0, len);
1792                 p += len;
1793
1794                 len = PTR_DIFF(p, pdata);
1795                 pad = (len + (align-1)) & ~(align-1);
1796                 /*
1797                  * offset to the next entry, the caller
1798                  * will overwrite it for the last entry
1799                  * that's why we always include the padding
1800                  */
1801                 SIVAL(pdata,0,pad);
1802                 /*
1803                  * set padding to zero
1804                  */
1805                 if (do_pad) {
1806                         memset(p, 0, pad - len);
1807                         p = pdata + pad;
1808                 } else {
1809                         p = pdata + len;
1810                 }
1811                 break;
1812
1813         case SMB_FIND_FILE_NAMES_INFO:
1814                 DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_FILE_NAMES_INFO\n"));
1815                 p += 4;
1816                 SIVAL(p,0,reskey); p += 4;
1817                 p += 4;
1818                 /* this must *not* be null terminated or w2k gets in a loop trying to set an
1819                    acl on a dir (tridge) */
1820                 len = srvstr_push(base_data, flags2, p,
1821                                   fname, PTR_DIFF(end_data, p),
1822                                   STR_TERMINATE_ASCII);
1823                 SIVAL(p, -4, len);
1824                 p += len;
1825
1826                 len = PTR_DIFF(p, pdata);
1827                 pad = (len + (align-1)) & ~(align-1);
1828                 /*
1829                  * offset to the next entry, the caller
1830                  * will overwrite it for the last entry
1831                  * that's why we always include the padding
1832                  */
1833                 SIVAL(pdata,0,pad);
1834                 /*
1835                  * set padding to zero
1836                  */
1837                 if (do_pad) {
1838                         memset(p, 0, pad - len);
1839                         p = pdata + pad;
1840                 } else {
1841                         p = pdata + len;
1842                 }
1843                 break;
1844
1845         case SMB_FIND_ID_FULL_DIRECTORY_INFO:
1846                 DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_ID_FULL_DIRECTORY_INFO\n"));
1847                 p += 4;
1848                 SIVAL(p,0,reskey); p += 4;
1849                 put_long_date_timespec(p,create_date_ts); p += 8;
1850                 put_long_date_timespec(p,adate_ts); p += 8;
1851                 put_long_date_timespec(p,mdate_ts); p += 8;
1852                 put_long_date_timespec(p,cdate_ts); p += 8;
1853                 SOFF_T(p,0,file_size); p += 8;
1854                 SOFF_T(p,0,allocation_size); p += 8;
1855                 SIVAL(p,0,nt_extmode); p += 4;
1856                 q = p; p += 4; /* q is placeholder for name length. */
1857                 {
1858                         unsigned int ea_size = estimate_ea_size(conn, NULL,
1859                                                                 smb_fname->base_name);
1860                         SIVAL(p,0,ea_size); /* Extended attributes */
1861                         p +=4;
1862                 }
1863                 SIVAL(p,0,0); p += 4; /* Unknown - reserved ? */
1864                 SIVAL(p,0,smb_fname->st.st_ex_ino); p += 4; /* FileIndexLow */
1865                 SIVAL(p,0,smb_fname->st.st_ex_dev); p += 4; /* FileIndexHigh */
1866                 len = srvstr_push(base_data, flags2, p,
1867                                   fname, PTR_DIFF(end_data, p),
1868                                   STR_TERMINATE_ASCII);
1869                 SIVAL(q, 0, len);
1870                 p += len;
1871
1872                 len = PTR_DIFF(p, pdata);
1873                 pad = (len + (align-1)) & ~(align-1);
1874                 /*
1875                  * offset to the next entry, the caller
1876                  * will overwrite it for the last entry
1877                  * that's why we always include the padding
1878                  */
1879                 SIVAL(pdata,0,pad);
1880                 /*
1881                  * set padding to zero
1882                  */
1883                 if (do_pad) {
1884                         memset(p, 0, pad - len);
1885                         p = pdata + pad;
1886                 } else {
1887                         p = pdata + len;
1888                 }
1889                 break;
1890
1891         case SMB_FIND_ID_BOTH_DIRECTORY_INFO:
1892                 DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_ID_BOTH_DIRECTORY_INFO\n"));
1893                 was_8_3 = mangle_is_8_3(fname, True, conn->params);
1894                 p += 4;
1895                 SIVAL(p,0,reskey); p += 4;
1896                 put_long_date_timespec(p,create_date_ts); p += 8;
1897                 put_long_date_timespec(p,adate_ts); p += 8;
1898                 put_long_date_timespec(p,mdate_ts); p += 8;
1899                 put_long_date_timespec(p,cdate_ts); p += 8;
1900                 SOFF_T(p,0,file_size); p += 8;
1901                 SOFF_T(p,0,allocation_size); p += 8;
1902                 SIVAL(p,0,nt_extmode); p += 4;
1903                 q = p; p += 4; /* q is placeholder for name length */
1904                 {
1905                         unsigned int ea_size = estimate_ea_size(conn, NULL,
1906                                                                 smb_fname->base_name);
1907                         SIVAL(p,0,ea_size); /* Extended attributes */
1908                         p +=4;
1909                 }
1910                 /* Clear the short name buffer. This is
1911                  * IMPORTANT as not doing so will trigger
1912                  * a Win2k client bug. JRA.
1913                  */
1914                 if (!was_8_3 && check_mangled_names) {
1915                         char mangled_name[13]; /* mangled 8.3 name. */
1916                         if (!name_to_8_3(fname,mangled_name,True,
1917                                         conn->params)) {
1918                                 /* Error - mangle failed ! */
1919                                 memset(mangled_name,'\0',12);
1920                         }
1921                         mangled_name[12] = 0;
1922                         len = srvstr_push(base_data, flags2,
1923                                           p+2, mangled_name, 24,
1924                                           STR_UPPER|STR_UNICODE);
1925                         SSVAL(p, 0, len);
1926                         if (len < 24) {
1927                                 memset(p + 2 + len,'\0',24 - len);
1928                         }
1929                         SSVAL(p, 0, len);
1930                 } else {
1931                         memset(p,'\0',26);
1932                 }
1933                 p += 26;
1934                 SSVAL(p,0,0); p += 2; /* Reserved ? */
1935                 SIVAL(p,0,smb_fname->st.st_ex_ino); p += 4; /* FileIndexLow */
1936                 SIVAL(p,0,smb_fname->st.st_ex_dev); p += 4; /* FileIndexHigh */
1937                 len = srvstr_push(base_data, flags2, p,
1938                                   fname, PTR_DIFF(end_data, p),
1939                                   STR_TERMINATE_ASCII);
1940                 SIVAL(q,0,len);
1941                 p += len;
1942
1943                 len = PTR_DIFF(p, pdata);
1944                 pad = (len + (align-1)) & ~(align-1);
1945                 /*
1946                  * offset to the next entry, the caller
1947                  * will overwrite it for the last entry
1948                  * that's why we always include the padding
1949                  */
1950                 SIVAL(pdata,0,pad);
1951                 /*
1952                  * set padding to zero
1953                  */
1954                 if (do_pad) {
1955                         memset(p, 0, pad - len);
1956                         p = pdata + pad;
1957                 } else {
1958                         p = pdata + len;
1959                 }
1960                 break;
1961
1962         /* CIFS UNIX Extension. */
1963
1964         case SMB_FIND_FILE_UNIX:
1965         case SMB_FIND_FILE_UNIX_INFO2:
1966                 p+= 4;
1967                 SIVAL(p,0,reskey); p+= 4;    /* Used for continuing search. */
1968
1969                 /* Begin of SMB_QUERY_FILE_UNIX_BASIC */
1970
1971                 if (info_level == SMB_FIND_FILE_UNIX) {
1972                         DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_FILE_UNIX\n"));
1973                         p = store_file_unix_basic(conn, p,
1974                                                 NULL, &smb_fname->st);
1975                         len = srvstr_push(base_data, flags2, p,
1976                                           fname, PTR_DIFF(end_data, p),
1977                                           STR_TERMINATE);
1978                 } else {
1979                         DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_FILE_UNIX_INFO2\n"));
1980                         p = store_file_unix_basic_info2(conn, p,
1981                                                 NULL, &smb_fname->st);
1982                         nameptr = p;
1983                         p += 4;
1984                         len = srvstr_push(base_data, flags2, p, fname,
1985                                           PTR_DIFF(end_data, p), 0);
1986                         SIVAL(nameptr, 0, len);
1987                 }
1988
1989                 p += len;
1990
1991                 len = PTR_DIFF(p, pdata);
1992                 pad = (len + (align-1)) & ~(align-1);
1993                 /*
1994                  * offset to the next entry, the caller
1995                  * will overwrite it for the last entry
1996                  * that's why we always include the padding
1997                  */
1998                 SIVAL(pdata,0,pad);
1999                 /*
2000                  * set padding to zero
2001                  */
2002                 if (do_pad) {
2003                         memset(p, 0, pad - len);
2004                         p = pdata + pad;
2005                 } else {
2006                         p = pdata + len;
2007                 }
2008                 /* End of SMB_QUERY_FILE_UNIX_BASIC */
2009
2010                 break;
2011
2012         default:
2013                 return false;
2014         }
2015
2016         if (PTR_DIFF(p,pdata) > space_remaining) {
2017                 *out_of_space = true;
2018                 DEBUG(9,("get_lanman2_dir_entry: out of space\n"));
2019                 return false; /* Not finished - just out of space */
2020         }
2021
2022         /* Setup the last entry pointer, as an offset from base_data */
2023         *last_entry_off = PTR_DIFF(last_entry_ptr,base_data);
2024         /* Advance the data pointer to the next slot */
2025         *ppdata = p;
2026
2027         return true;
2028 }
2029
2030 bool smbd_dirptr_lanman2_entry(TALLOC_CTX *ctx,
2031                                connection_struct *conn,
2032                                struct dptr_struct *dirptr,
2033                                uint16 flags2,
2034                                const char *path_mask,
2035                                uint32 dirtype,
2036                                int info_level,
2037                                int requires_resume_key,
2038                                bool dont_descend,
2039                                bool ask_sharemode,
2040                                uint8_t align,
2041                                bool do_pad,
2042                                char **ppdata,
2043                                char *base_data,
2044                                char *end_data,
2045                                int space_remaining,
2046                                bool *out_of_space,
2047                                bool *got_exact_match,
2048                                int *_last_entry_off,
2049                                struct ea_list *name_list)
2050 {
2051         const char *p;
2052         const char *mask = NULL;
2053         long prev_dirpos = 0;
2054         uint32_t mode = 0;
2055         char *fname = NULL;
2056         struct smb_filename *smb_fname = NULL;
2057         struct smbd_dirptr_lanman2_state state;
2058         bool ok;
2059         uint64_t last_entry_off = 0;
2060
2061         ZERO_STRUCT(state);
2062         state.conn = conn;
2063         state.info_level = info_level;
2064         state.check_mangled_names = lp_manglednames(conn->params);
2065         state.has_wild = dptr_has_wild(dirptr);
2066         state.got_exact_match = false;
2067
2068         *out_of_space = false;
2069         *got_exact_match = false;
2070
2071         p = strrchr_m(path_mask,'/');
2072         if(p != NULL) {
2073                 if(p[1] == '\0') {
2074                         mask = "*.*";
2075                 } else {
2076                         mask = p+1;
2077                 }
2078         } else {
2079                 mask = path_mask;
2080         }
2081
2082         ok = smbd_dirptr_get_entry(ctx,
2083                                    dirptr,
2084                                    mask,
2085                                    dirtype,
2086                                    dont_descend,
2087                                    ask_sharemode,
2088                                    smbd_dirptr_lanman2_match_fn,
2089                                    smbd_dirptr_lanman2_mode_fn,
2090                                    &state,
2091                                    &fname,
2092                                    &smb_fname,
2093                                    &mode,
2094                                    &prev_dirpos);
2095         if (!ok) {
2096                 return false;
2097         }
2098
2099         *got_exact_match = state.got_exact_match;
2100
2101         ok = smbd_marshall_dir_entry(ctx,
2102                                      conn,
2103                                      flags2,
2104                                      info_level,
2105                                      name_list,
2106                                      state.check_mangled_names,
2107                                      requires_resume_key,
2108                                      mode,
2109                                      fname,
2110                                      smb_fname,
2111                                      space_remaining,
2112                                      align,
2113                                      do_pad,
2114                                      base_data,
2115                                      ppdata,
2116                                      end_data,
2117                                      out_of_space,
2118                                      &last_entry_off);
2119         TALLOC_FREE(fname);
2120         TALLOC_FREE(smb_fname);
2121         if (*out_of_space) {
2122                 dptr_SeekDir(dirptr, prev_dirpos);
2123                 return false;
2124         }
2125         if (!ok) {
2126                 return false;
2127         }
2128
2129         *_last_entry_off = last_entry_off;
2130         return true;
2131 }
2132
2133 static bool get_lanman2_dir_entry(TALLOC_CTX *ctx,
2134                                 connection_struct *conn,
2135                                 struct dptr_struct *dirptr,
2136                                 uint16 flags2,
2137                                 const char *path_mask,
2138                                 uint32 dirtype,
2139                                 int info_level,
2140                                 int requires_resume_key,
2141                                 bool dont_descend,
2142                                 bool ask_sharemode,
2143                                 char **ppdata,
2144                                 char *base_data,
2145                                 char *end_data,
2146                                 int space_remaining,
2147                                 bool *out_of_space,
2148                                 bool *got_exact_match,
2149                                 int *last_entry_off,
2150                                 struct ea_list *name_list)
2151 {
2152         bool resume_key = false;
2153         const uint8_t align = 4;
2154         const bool do_pad = true;
2155
2156         if (requires_resume_key) {
2157                 resume_key = true;
2158         }
2159
2160         return smbd_dirptr_lanman2_entry(ctx, conn, dirptr, flags2,
2161                                          path_mask, dirtype, info_level,
2162                                          resume_key, dont_descend, ask_sharemode,
2163                                          align, do_pad,
2164                                          ppdata, base_data, end_data,
2165                                          space_remaining,
2166                                          out_of_space, got_exact_match,
2167                                          last_entry_off, name_list);
2168 }
2169
2170 /****************************************************************************
2171  Reply to a TRANS2_FINDFIRST.
2172 ****************************************************************************/
2173
2174 static void call_trans2findfirst(connection_struct *conn,
2175                                  struct smb_request *req,
2176                                  char **pparams, int total_params,
2177                                  char **ppdata, int total_data,
2178                                  unsigned int max_data_bytes)
2179 {
2180         /* We must be careful here that we don't return more than the
2181                 allowed number of data bytes. If this means returning fewer than
2182                 maxentries then so be it. We assume that the redirector has
2183                 enough room for the fixed number of parameter bytes it has
2184                 requested. */
2185         struct smb_filename *smb_dname = NULL;
2186         char *params = *pparams;
2187         char *pdata = *ppdata;
2188         char *data_end;
2189         uint32 dirtype;
2190         int maxentries;
2191         uint16 findfirst_flags;
2192         bool close_after_first;
2193         bool close_if_end;
2194         bool requires_resume_key;
2195         int info_level;
2196         char *directory = NULL;
2197         char *mask = NULL;
2198         char *p;
2199         int last_entry_off=0;
2200         int dptr_num = -1;
2201         int numentries = 0;
2202         int i;
2203         bool finished = False;
2204         bool dont_descend = False;
2205         bool out_of_space = False;
2206         int space_remaining;
2207         bool mask_contains_wcard = False;
2208         struct ea_list *ea_list = NULL;
2209         NTSTATUS ntstatus = NT_STATUS_OK;
2210         bool ask_sharemode = lp_parm_bool(SNUM(conn), "smbd", "search ask sharemode", true);
2211         TALLOC_CTX *ctx = talloc_tos();
2212         struct dptr_struct *dirptr = NULL;
2213         struct smbd_server_connection *sconn = smbd_server_conn;
2214
2215         if (total_params < 13) {
2216                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2217                 goto out;
2218         }
2219
2220         dirtype = SVAL(params,0);
2221         maxentries = SVAL(params,2);
2222         findfirst_flags = SVAL(params,4);
2223         close_after_first = (findfirst_flags & FLAG_TRANS2_FIND_CLOSE);
2224         close_if_end = (findfirst_flags & FLAG_TRANS2_FIND_CLOSE_IF_END);
2225         requires_resume_key = (findfirst_flags & FLAG_TRANS2_FIND_REQUIRE_RESUME);
2226         info_level = SVAL(params,6);
2227
2228         DEBUG(3,("call_trans2findfirst: dirtype = %x, maxentries = %d, close_after_first=%d, \
2229 close_if_end = %d requires_resume_key = %d level = 0x%x, max_data_bytes = %d\n",
2230                 (unsigned int)dirtype, maxentries, close_after_first, close_if_end, requires_resume_key,
2231                 info_level, max_data_bytes));
2232
2233         if (!maxentries) {
2234                 /* W2K3 seems to treat zero as 1. */
2235                 maxentries = 1;
2236         }
2237
2238         switch (info_level) {
2239                 case SMB_FIND_INFO_STANDARD:
2240                 case SMB_FIND_EA_SIZE:
2241                 case SMB_FIND_EA_LIST:
2242                 case SMB_FIND_FILE_DIRECTORY_INFO:
2243                 case SMB_FIND_FILE_FULL_DIRECTORY_INFO:
2244                 case SMB_FIND_FILE_NAMES_INFO:
2245                 case SMB_FIND_FILE_BOTH_DIRECTORY_INFO:
2246                 case SMB_FIND_ID_FULL_DIRECTORY_INFO:
2247                 case SMB_FIND_ID_BOTH_DIRECTORY_INFO:
2248                         break;
2249                 case SMB_FIND_FILE_UNIX:
2250                 case SMB_FIND_FILE_UNIX_INFO2:
2251                         /* Always use filesystem for UNIX mtime query. */
2252                         ask_sharemode = false;
2253                         if (!lp_unix_extensions()) {
2254                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2255                                 goto out;
2256                         }
2257                         break;
2258                 default:
2259                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2260                         goto out;
2261         }
2262
2263         srvstr_get_path_wcard(ctx, params, req->flags2, &directory,
2264                               params+12, total_params - 12,
2265                               STR_TERMINATE, &ntstatus, &mask_contains_wcard);
2266         if (!NT_STATUS_IS_OK(ntstatus)) {
2267                 reply_nterror(req, ntstatus);
2268                 goto out;
2269         }
2270
2271         ntstatus = filename_convert(ctx, conn,
2272                                     req->flags2 & FLAGS2_DFS_PATHNAMES,
2273                                     directory,
2274                                     (UCF_SAVE_LCOMP |
2275                                         UCF_ALWAYS_ALLOW_WCARD_LCOMP),
2276                                     &mask_contains_wcard,
2277                                     &smb_dname);
2278         if (!NT_STATUS_IS_OK(ntstatus)) {
2279                 if (NT_STATUS_EQUAL(ntstatus,NT_STATUS_PATH_NOT_COVERED)) {
2280                         reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
2281                                         ERRSRV, ERRbadpath);
2282                         goto out;
2283                 }
2284                 reply_nterror(req, ntstatus);
2285                 goto out;
2286         }
2287
2288         mask = smb_dname->original_lcomp;
2289
2290         directory = smb_dname->base_name;
2291
2292         p = strrchr_m(directory,'/');
2293         if(p == NULL) {
2294                 /* Windows and OS/2 systems treat search on the root '\' as if it were '\*' */
2295                 if((directory[0] == '.') && (directory[1] == '\0')) {
2296                         mask = talloc_strdup(ctx,"*");
2297                         if (!mask) {
2298                                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2299                                 goto out;
2300                         }
2301                         mask_contains_wcard = True;
2302                 }
2303                 directory = talloc_strdup(talloc_tos(), "./");
2304                 if (!directory) {
2305                         reply_nterror(req, NT_STATUS_NO_MEMORY);
2306                         goto out;
2307                 }
2308         } else {
2309                 *p = 0;
2310         }
2311
2312         DEBUG(5,("dir=%s, mask = %s\n",directory, mask));
2313
2314         if (info_level == SMB_FIND_EA_LIST) {
2315                 uint32 ea_size;
2316
2317                 if (total_data < 4) {
2318                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2319                         goto out;
2320                 }
2321
2322                 ea_size = IVAL(pdata,0);
2323                 if (ea_size != total_data) {
2324                         DEBUG(4,("call_trans2findfirst: Rejecting EA request with incorrect \
2325 total_data=%u (should be %u)\n", (unsigned int)total_data, (unsigned int)IVAL(pdata,0) ));
2326                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2327                         goto out;
2328                 }
2329
2330                 if (!lp_ea_support(SNUM(conn))) {
2331                         reply_doserror(req, ERRDOS, ERReasnotsupported);
2332                         goto out;
2333                 }
2334
2335                 /* Pull out the list of names. */
2336                 ea_list = read_ea_name_list(ctx, pdata + 4, ea_size - 4);
2337                 if (!ea_list) {
2338                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2339                         goto out;
2340                 }
2341         }
2342
2343         *ppdata = (char *)SMB_REALLOC(
2344                 *ppdata, max_data_bytes + DIR_ENTRY_SAFETY_MARGIN);
2345         if(*ppdata == NULL ) {
2346                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2347                 goto out;
2348         }
2349         pdata = *ppdata;
2350         data_end = pdata + max_data_bytes + DIR_ENTRY_SAFETY_MARGIN - 1;
2351
2352         /* Realloc the params space */
2353         *pparams = (char *)SMB_REALLOC(*pparams, 10);
2354         if (*pparams == NULL) {
2355                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2356                 goto out;
2357         }
2358         params = *pparams;
2359
2360         /* Save the wildcard match and attribs we are using on this directory -
2361                 needed as lanman2 assumes these are being saved between calls */
2362
2363         ntstatus = dptr_create(conn,
2364                                 directory,
2365                                 False,
2366                                 True,
2367                                 req->smbpid,
2368                                 mask,
2369                                 mask_contains_wcard,
2370                                 dirtype,
2371                                 &dirptr);
2372
2373         if (!NT_STATUS_IS_OK(ntstatus)) {
2374                 reply_nterror(req, ntstatus);
2375                 goto out;
2376         }
2377
2378         dptr_num = dptr_dnum(dirptr);
2379         DEBUG(4,("dptr_num is %d, wcard = %s, attr = %d\n", dptr_num, mask, dirtype));
2380
2381         /* Initialize per TRANS2_FIND_FIRST operation data */
2382         dptr_init_search_op(dirptr);
2383
2384         /* We don't need to check for VOL here as this is returned by
2385                 a different TRANS2 call. */
2386
2387         DEBUG(8,("dirpath=<%s> dontdescend=<%s>\n",
2388                 directory,lp_dontdescend(SNUM(conn))));
2389         if (in_list(directory,lp_dontdescend(SNUM(conn)),conn->case_sensitive))
2390                 dont_descend = True;
2391
2392         p = pdata;
2393         space_remaining = max_data_bytes;
2394         out_of_space = False;
2395
2396         for (i=0;(i<maxentries) && !finished && !out_of_space;i++) {
2397                 bool got_exact_match = False;
2398
2399                 /* this is a heuristic to avoid seeking the dirptr except when
2400                         absolutely necessary. It allows for a filename of about 40 chars */
2401                 if (space_remaining < DIRLEN_GUESS && numentries > 0) {
2402                         out_of_space = True;
2403                         finished = False;
2404                 } else {
2405                         finished = !get_lanman2_dir_entry(ctx,
2406                                         conn,
2407                                         dirptr,
2408                                         req->flags2,
2409                                         mask,dirtype,info_level,
2410                                         requires_resume_key,dont_descend,
2411                                         ask_sharemode,
2412                                         &p,pdata,data_end,
2413                                         space_remaining, &out_of_space,
2414                                         &got_exact_match,
2415                                         &last_entry_off, ea_list);
2416                 }
2417
2418                 if (finished && out_of_space)
2419                         finished = False;
2420
2421                 if (!finished && !out_of_space)
2422                         numentries++;
2423
2424                 /*
2425                  * As an optimisation if we know we aren't looking
2426                  * for a wildcard name (ie. the name matches the wildcard exactly)
2427                  * then we can finish on any (first) match.
2428                  * This speeds up large directory searches. JRA.
2429                  */
2430
2431                 if(got_exact_match)
2432                         finished = True;
2433
2434                 /* Ensure space_remaining never goes -ve. */
2435                 if (PTR_DIFF(p,pdata) > max_data_bytes) {
2436                         space_remaining = 0;
2437                         out_of_space = true;
2438                 } else {
2439                         space_remaining = max_data_bytes - PTR_DIFF(p,pdata);
2440                 }
2441         }
2442
2443         /* Check if we can close the dirptr */
2444         if(close_after_first || (finished && close_if_end)) {
2445                 DEBUG(5,("call_trans2findfirst - (2) closing dptr_num %d\n", dptr_num));
2446                 dptr_close(sconn, &dptr_num);
2447         }
2448
2449         /*
2450          * If there are no matching entries we must return ERRDOS/ERRbadfile -
2451          * from observation of NT. NB. This changes to ERRDOS,ERRnofiles if
2452          * the protocol level is less than NT1. Tested with smbclient. JRA.
2453          * This should fix the OS/2 client bug #2335.
2454          */
2455
2456         if(numentries == 0) {
2457                 dptr_close(sconn, &dptr_num);
2458                 if (Protocol < PROTOCOL_NT1) {
2459                         reply_doserror(req, ERRDOS, ERRnofiles);
2460                         goto out;
2461                 } else {
2462                         reply_botherror(req, NT_STATUS_NO_SUCH_FILE,
2463                                         ERRDOS, ERRbadfile);
2464                         goto out;
2465                 }
2466         }
2467
2468         /* At this point pdata points to numentries directory entries. */
2469
2470         /* Set up the return parameter block */
2471         SSVAL(params,0,dptr_num);
2472         SSVAL(params,2,numentries);
2473         SSVAL(params,4,finished);
2474         SSVAL(params,6,0); /* Never an EA error */
2475         SSVAL(params,8,last_entry_off);
2476
2477         send_trans2_replies(conn, req, params, 10, pdata, PTR_DIFF(p,pdata),
2478                             max_data_bytes);
2479
2480         if ((! *directory) && dptr_path(sconn, dptr_num)) {
2481                 directory = talloc_strdup(talloc_tos(),dptr_path(sconn, dptr_num));
2482                 if (!directory) {
2483                         reply_nterror(req, NT_STATUS_NO_MEMORY);
2484                 }
2485         }
2486
2487         DEBUG( 4, ( "%s mask=%s directory=%s dirtype=%d numentries=%d\n",
2488                 smb_fn_name(req->cmd),
2489                 mask, directory, dirtype, numentries ) );
2490
2491         /*
2492          * Force a name mangle here to ensure that the
2493          * mask as an 8.3 name is top of the mangled cache.
2494          * The reasons for this are subtle. Don't remove
2495          * this code unless you know what you are doing
2496          * (see PR#13758). JRA.
2497          */
2498
2499         if(!mangle_is_8_3_wildcards( mask, False, conn->params)) {
2500                 char mangled_name[13];
2501                 name_to_8_3(mask, mangled_name, True, conn->params);
2502         }
2503  out:
2504         TALLOC_FREE(smb_dname);
2505         return;
2506 }
2507
2508 /****************************************************************************
2509  Reply to a TRANS2_FINDNEXT.
2510 ****************************************************************************/
2511
2512 static void call_trans2findnext(connection_struct *conn,
2513                                 struct smb_request *req,
2514                                 char **pparams, int total_params,
2515                                 char **ppdata, int total_data,
2516                                 unsigned int max_data_bytes)
2517 {
2518         /* We must be careful here that we don't return more than the
2519                 allowed number of data bytes. If this means returning fewer than
2520                 maxentries then so be it. We assume that the redirector has
2521                 enough room for the fixed number of parameter bytes it has
2522                 requested. */
2523         char *params = *pparams;
2524         char *pdata = *ppdata;
2525         char *data_end;
2526         int dptr_num;
2527         int maxentries;
2528         uint16 info_level;
2529         uint32 resume_key;
2530         uint16 findnext_flags;
2531         bool close_after_request;
2532         bool close_if_end;
2533         bool requires_resume_key;
2534         bool continue_bit;
2535         bool mask_contains_wcard = False;
2536         char *resume_name = NULL;
2537         const char *mask = NULL;
2538         const char *directory = NULL;
2539         char *p = NULL;
2540         uint16 dirtype;
2541         int numentries = 0;
2542         int i, last_entry_off=0;
2543         bool finished = False;
2544         bool dont_descend = False;
2545         bool out_of_space = False;
2546         int space_remaining;
2547         struct ea_list *ea_list = NULL;
2548         NTSTATUS ntstatus = NT_STATUS_OK;
2549         bool ask_sharemode = lp_parm_bool(SNUM(conn), "smbd", "search ask sharemode", true);
2550         TALLOC_CTX *ctx = talloc_tos();
2551         struct dptr_struct *dirptr;
2552         struct smbd_server_connection *sconn = smbd_server_conn;
2553
2554         if (total_params < 13) {
2555                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2556                 return;
2557         }
2558
2559         dptr_num = SVAL(params,0);
2560         maxentries = SVAL(params,2);
2561         info_level = SVAL(params,4);
2562         resume_key = IVAL(params,6);
2563         findnext_flags = SVAL(params,10);
2564         close_after_request = (findnext_flags & FLAG_TRANS2_FIND_CLOSE);
2565         close_if_end = (findnext_flags & FLAG_TRANS2_FIND_CLOSE_IF_END);
2566         requires_resume_key = (findnext_flags & FLAG_TRANS2_FIND_REQUIRE_RESUME);
2567         continue_bit = (findnext_flags & FLAG_TRANS2_FIND_CONTINUE);
2568
2569         srvstr_get_path_wcard(ctx, params, req->flags2, &resume_name,
2570                               params+12,
2571                               total_params - 12, STR_TERMINATE, &ntstatus,
2572                               &mask_contains_wcard);
2573         if (!NT_STATUS_IS_OK(ntstatus)) {
2574                 /* Win9x or OS/2 can send a resume name of ".." or ".". This will cause the parser to
2575                    complain (it thinks we're asking for the directory above the shared
2576                    path or an invalid name). Catch this as the resume name is only compared, never used in
2577                    a file access. JRA. */
2578                 srvstr_pull_talloc(ctx, params, req->flags2,
2579                                 &resume_name, params+12,
2580                                 total_params - 12,
2581                                 STR_TERMINATE);
2582
2583                 if (!resume_name || !(ISDOT(resume_name) || ISDOTDOT(resume_name))) {
2584                         reply_nterror(req, ntstatus);
2585                         return;
2586                 }
2587         }
2588
2589         DEBUG(3,("call_trans2findnext: dirhandle = %d, max_data_bytes = %d, maxentries = %d, \
2590 close_after_request=%d, close_if_end = %d requires_resume_key = %d \
2591 resume_key = %d resume name = %s continue=%d level = %d\n",
2592                 dptr_num, max_data_bytes, maxentries, close_after_request, close_if_end,
2593                 requires_resume_key, resume_key, resume_name, continue_bit, info_level));
2594
2595         if (!maxentries) {
2596                 /* W2K3 seems to treat zero as 1. */
2597                 maxentries = 1;
2598         }
2599
2600         switch (info_level) {
2601                 case SMB_FIND_INFO_STANDARD:
2602                 case SMB_FIND_EA_SIZE:
2603                 case SMB_FIND_EA_LIST:
2604                 case SMB_FIND_FILE_DIRECTORY_INFO:
2605                 case SMB_FIND_FILE_FULL_DIRECTORY_INFO:
2606                 case SMB_FIND_FILE_NAMES_INFO:
2607                 case SMB_FIND_FILE_BOTH_DIRECTORY_INFO:
2608                 case SMB_FIND_ID_FULL_DIRECTORY_INFO:
2609                 case SMB_FIND_ID_BOTH_DIRECTORY_INFO:
2610                         break;
2611                 case SMB_FIND_FILE_UNIX:
2612                 case SMB_FIND_FILE_UNIX_INFO2:
2613                         /* Always use filesystem for UNIX mtime query. */
2614                         ask_sharemode = false;
2615                         if (!lp_unix_extensions()) {
2616                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2617                                 return;
2618                         }
2619                         break;
2620                 default:
2621                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2622                         return;
2623         }
2624
2625         if (info_level == SMB_FIND_EA_LIST) {
2626                 uint32 ea_size;
2627
2628                 if (total_data < 4) {
2629                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2630                         return;
2631                 }
2632
2633                 ea_size = IVAL(pdata,0);
2634                 if (ea_size != total_data) {
2635                         DEBUG(4,("call_trans2findnext: Rejecting EA request with incorrect \
2636 total_data=%u (should be %u)\n", (unsigned int)total_data, (unsigned int)IVAL(pdata,0) ));
2637                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2638                         return;
2639                 }
2640
2641                 if (!lp_ea_support(SNUM(conn))) {
2642                         reply_doserror(req, ERRDOS, ERReasnotsupported);
2643                         return;
2644                 }
2645
2646                 /* Pull out the list of names. */
2647                 ea_list = read_ea_name_list(ctx, pdata + 4, ea_size - 4);
2648                 if (!ea_list) {
2649                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2650                         return;
2651                 }
2652         }
2653
2654         *ppdata = (char *)SMB_REALLOC(
2655                 *ppdata, max_data_bytes + DIR_ENTRY_SAFETY_MARGIN);
2656         if(*ppdata == NULL) {
2657                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2658                 return;
2659         }
2660
2661         pdata = *ppdata;
2662         data_end = pdata + max_data_bytes + DIR_ENTRY_SAFETY_MARGIN - 1;
2663
2664         /* Realloc the params space */
2665         *pparams = (char *)SMB_REALLOC(*pparams, 6*SIZEOFWORD);
2666         if(*pparams == NULL ) {
2667                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2668                 return;
2669         }
2670
2671         params = *pparams;
2672
2673         /* Check that the dptr is valid */
2674         if(!(dirptr = dptr_fetch_lanman2(sconn, dptr_num))) {
2675                 reply_doserror(req, ERRDOS, ERRnofiles);
2676                 return;
2677         }
2678
2679         directory = dptr_path(sconn, dptr_num);
2680
2681         /* Get the wildcard mask from the dptr */
2682         if((p = dptr_wcard(sconn, dptr_num))== NULL) {
2683                 DEBUG(2,("dptr_num %d has no wildcard\n", dptr_num));
2684                 reply_doserror(req, ERRDOS, ERRnofiles);
2685                 return;
2686         }
2687
2688         mask = p;
2689
2690         /* Get the attr mask from the dptr */
2691         dirtype = dptr_attr(sconn, dptr_num);
2692
2693         DEBUG(3,("dptr_num is %d, mask = %s, attr = %x, dirptr=(0x%lX,%ld)\n",
2694                 dptr_num, mask, dirtype,
2695                 (long)dirptr,
2696                 dptr_TellDir(dirptr)));
2697
2698         /* Initialize per TRANS2_FIND_NEXT operation data */
2699         dptr_init_search_op(dirptr);
2700
2701         /* We don't need to check for VOL here as this is returned by
2702                 a different TRANS2 call. */
2703
2704         DEBUG(8,("dirpath=<%s> dontdescend=<%s>\n",
2705                  directory,lp_dontdescend(SNUM(conn))));
2706         if (in_list(directory,lp_dontdescend(SNUM(conn)),conn->case_sensitive))
2707                 dont_descend = True;
2708
2709         p = pdata;
2710         space_remaining = max_data_bytes;
2711         out_of_space = False;
2712
2713         /*
2714          * Seek to the correct position. We no longer use the resume key but
2715          * depend on the last file name instead.
2716          */
2717
2718         if(*resume_name && !continue_bit) {
2719                 SMB_STRUCT_STAT st;
2720
2721                 long current_pos = 0;
2722                 /*
2723                  * Remember, name_to_8_3 is called by
2724                  * get_lanman2_dir_entry(), so the resume name
2725                  * could be mangled. Ensure we check the unmangled name.
2726                  */
2727
2728                 if (mangle_is_mangled(resume_name, conn->params)) {
2729                         char *new_resume_name = NULL;
2730                         mangle_lookup_name_from_8_3(ctx,
2731                                                 resume_name,
2732                                                 &new_resume_name,
2733                                                 conn->params);
2734                         if (new_resume_name) {
2735                                 resume_name = new_resume_name;
2736                         }
2737                 }
2738
2739                 /*
2740                  * Fix for NT redirector problem triggered by resume key indexes
2741                  * changing between directory scans. We now return a resume key of 0
2742                  * and instead look for the filename to continue from (also given
2743                  * to us by NT/95/smbfs/smbclient). If no other scans have been done between the
2744                  * findfirst/findnext (as is usual) then the directory pointer
2745                  * should already be at the correct place.
2746                  */
2747
2748                 finished = !dptr_SearchDir(dirptr, resume_name, &current_pos, &st);
2749         } /* end if resume_name && !continue_bit */
2750
2751         for (i=0;(i<(int)maxentries) && !finished && !out_of_space ;i++) {
2752                 bool got_exact_match = False;
2753
2754                 /* this is a heuristic to avoid seeking the dirptr except when
2755                         absolutely necessary. It allows for a filename of about 40 chars */
2756                 if (space_remaining < DIRLEN_GUESS && numentries > 0) {
2757                         out_of_space = True;
2758                         finished = False;
2759                 } else {
2760                         finished = !get_lanman2_dir_entry(ctx,
2761                                                 conn,
2762                                                 dirptr,
2763                                                 req->flags2,
2764                                                 mask,dirtype,info_level,
2765                                                 requires_resume_key,dont_descend,
2766                                                 ask_sharemode,
2767                                                 &p,pdata,data_end,
2768                                                 space_remaining, &out_of_space,
2769                                                 &got_exact_match,
2770                                                 &last_entry_off, ea_list);
2771                 }
2772
2773                 if (finished && out_of_space)
2774                         finished = False;
2775
2776                 if (!finished && !out_of_space)
2777                         numentries++;
2778
2779                 /*
2780                  * As an optimisation if we know we aren't looking
2781                  * for a wildcard name (ie. the name matches the wildcard exactly)
2782                  * then we can finish on any (first) match.
2783                  * This speeds up large directory searches. JRA.
2784                  */
2785
2786                 if(got_exact_match)
2787                         finished = True;
2788
2789                 space_remaining = max_data_bytes - PTR_DIFF(p,pdata);
2790         }
2791
2792         DEBUG( 3, ( "%s mask=%s directory=%s dirtype=%d numentries=%d\n",
2793                 smb_fn_name(req->cmd),
2794                 mask, directory, dirtype, numentries ) );
2795
2796         /* Check if we can close the dirptr */
2797         if(close_after_request || (finished && close_if_end)) {
2798                 DEBUG(5,("call_trans2findnext: closing dptr_num = %d\n", dptr_num));
2799                 dptr_close(sconn, &dptr_num); /* This frees up the saved mask */
2800         }
2801
2802         /* Set up the return parameter block */
2803         SSVAL(params,0,numentries);
2804         SSVAL(params,2,finished);
2805         SSVAL(params,4,0); /* Never an EA error */
2806         SSVAL(params,6,last_entry_off);
2807
2808         send_trans2_replies(conn, req, params, 8, pdata, PTR_DIFF(p,pdata),
2809                             max_data_bytes);
2810
2811         return;
2812 }
2813
2814 unsigned char *create_volume_objectid(connection_struct *conn, unsigned char objid[16])
2815 {
2816         E_md4hash(lp_servicename(SNUM(conn)),objid);
2817         return objid;
2818 }
2819
2820 static void samba_extended_info_version(struct smb_extended_info *extended_info)
2821 {
2822         SMB_ASSERT(extended_info != NULL);
2823
2824         extended_info->samba_magic = SAMBA_EXTENDED_INFO_MAGIC;
2825         extended_info->samba_version = ((SAMBA_VERSION_MAJOR & 0xff) << 24)
2826                                        | ((SAMBA_VERSION_MINOR & 0xff) << 16)
2827                                        | ((SAMBA_VERSION_RELEASE & 0xff) << 8);
2828 #ifdef SAMBA_VERSION_REVISION
2829         extended_info->samba_version |= (tolower(*SAMBA_VERSION_REVISION) - 'a' + 1) & 0xff;
2830 #endif
2831         extended_info->samba_subversion = 0;
2832 #ifdef SAMBA_VERSION_RC_RELEASE
2833         extended_info->samba_subversion |= (SAMBA_VERSION_RC_RELEASE & 0xff) << 24;
2834 #else
2835 #ifdef SAMBA_VERSION_PRE_RELEASE
2836         extended_info->samba_subversion |= (SAMBA_VERSION_PRE_RELEASE & 0xff) << 16;
2837 #endif
2838 #endif
2839 #ifdef SAMBA_VERSION_VENDOR_PATCH
2840         extended_info->samba_subversion |= (SAMBA_VERSION_VENDOR_PATCH & 0xffff);
2841 #endif
2842         extended_info->samba_gitcommitdate = 0;
2843 #ifdef SAMBA_VERSION_GIT_COMMIT_TIME
2844         unix_to_nt_time(&extended_info->samba_gitcommitdate, SAMBA_VERSION_GIT_COMMIT_TIME);
2845 #endif
2846
2847         memset(extended_info->samba_version_string, 0,
2848                sizeof(extended_info->samba_version_string));
2849
2850         snprintf (extended_info->samba_version_string,
2851                   sizeof(extended_info->samba_version_string),
2852                   "%s", samba_version_string());
2853 }
2854
2855 NTSTATUS smbd_do_qfsinfo(connection_struct *conn,
2856                          TALLOC_CTX *mem_ctx,
2857                          uint16_t info_level,
2858                          uint16_t flags2,
2859                          unsigned int max_data_bytes,
2860                          char **ppdata,
2861                          int *ret_data_len)
2862 {
2863         char *pdata, *end_data;
2864         int data_len = 0, len;
2865         const char *vname = volume_label(SNUM(conn));
2866         int snum = SNUM(conn);
2867         char *fstype = lp_fstype(SNUM(conn));
2868         uint32 additional_flags = 0;
2869         struct smb_filename *smb_fname_dot = NULL;
2870         SMB_STRUCT_STAT st;
2871         NTSTATUS status;
2872
2873         if (IS_IPC(conn)) {
2874                 if (info_level != SMB_QUERY_CIFS_UNIX_INFO) {
2875                         DEBUG(0,("smbd_do_qfsinfo: not an allowed "
2876                                 "info level (0x%x) on IPC$.\n",
2877                                 (unsigned int)info_level));
2878                         return NT_STATUS_ACCESS_DENIED;
2879                 }
2880         }
2881
2882         DEBUG(3,("smbd_do_qfsinfo: level = %d\n", info_level));
2883
2884         status = create_synthetic_smb_fname(talloc_tos(), ".", NULL, NULL,
2885                                             &smb_fname_dot);
2886         if (!NT_STATUS_IS_OK(status)) {
2887                 return status;
2888         }
2889
2890         if(SMB_VFS_STAT(conn, smb_fname_dot) != 0) {
2891                 DEBUG(2,("stat of . failed (%s)\n", strerror(errno)));
2892                 TALLOC_FREE(smb_fname_dot);
2893                 return map_nt_error_from_unix(errno);
2894         }
2895
2896         st = smb_fname_dot->st;
2897         TALLOC_FREE(smb_fname_dot);
2898
2899         *ppdata = (char *)SMB_REALLOC(
2900                 *ppdata, max_data_bytes + DIR_ENTRY_SAFETY_MARGIN);
2901         if (*ppdata == NULL) {
2902                 return NT_STATUS_NO_MEMORY;
2903         }
2904
2905         pdata = *ppdata;
2906         memset((char *)pdata,'\0',max_data_bytes + DIR_ENTRY_SAFETY_MARGIN);
2907         end_data = pdata + max_data_bytes + DIR_ENTRY_SAFETY_MARGIN - 1;
2908
2909         switch (info_level) {
2910                 case SMB_INFO_ALLOCATION:
2911                 {
2912                         uint64_t dfree,dsize,bsize,block_size,sectors_per_unit,bytes_per_sector;
2913                         data_len = 18;
2914                         if (get_dfree_info(conn,".",False,&bsize,&dfree,&dsize) == (uint64_t)-1) {
2915                                 return map_nt_error_from_unix(errno);
2916                         }
2917
2918                         block_size = lp_block_size(snum);
2919                         if (bsize < block_size) {
2920                                 uint64_t factor = block_size/bsize;
2921                                 bsize = block_size;
2922                                 dsize /= factor;
2923                                 dfree /= factor;
2924                         }
2925                         if (bsize > block_size) {
2926                                 uint64_t factor = bsize/block_size;
2927                                 bsize = block_size;
2928                                 dsize *= factor;
2929                                 dfree *= factor;
2930                         }
2931                         bytes_per_sector = 512;
2932                         sectors_per_unit = bsize/bytes_per_sector;
2933
2934                         DEBUG(5,("smbd_do_qfsinfo : SMB_INFO_ALLOCATION id=%x, bsize=%u, cSectorUnit=%u, \
2935 cBytesSector=%u, cUnitTotal=%u, cUnitAvail=%d\n", (unsigned int)st.st_ex_dev, (unsigned int)bsize, (unsigned int)sectors_per_unit,
2936                                 (unsigned int)bytes_per_sector, (unsigned int)dsize, (unsigned int)dfree));
2937
2938                         SIVAL(pdata,l1_idFileSystem,st.st_ex_dev);
2939                         SIVAL(pdata,l1_cSectorUnit,sectors_per_unit);
2940                         SIVAL(pdata,l1_cUnit,dsize);
2941                         SIVAL(pdata,l1_cUnitAvail,dfree);
2942                         SSVAL(pdata,l1_cbSector,bytes_per_sector);
2943                         break;
2944                 }
2945
2946                 case SMB_INFO_VOLUME:
2947                         /* Return volume name */
2948                         /*
2949                          * Add volume serial number - hash of a combination of
2950                          * the called hostname and the service name.
2951                          */
2952                         SIVAL(pdata,0,str_checksum(lp_servicename(snum)) ^ (str_checksum(get_local_machine_name())<<16) );
2953                         /*
2954                          * Win2k3 and previous mess this up by sending a name length
2955                          * one byte short. I believe only older clients (OS/2 Win9x) use
2956                          * this call so try fixing this by adding a terminating null to
2957                          * the pushed string. The change here was adding the STR_TERMINATE. JRA.
2958                          */
2959                         len = srvstr_push(
2960                                 pdata, flags2,
2961                                 pdata+l2_vol_szVolLabel, vname,
2962                                 PTR_DIFF(end_data, pdata+l2_vol_szVolLabel),
2963                                 STR_NOALIGN|STR_TERMINATE);
2964                         SCVAL(pdata,l2_vol_cch,len);
2965                         data_len = l2_vol_szVolLabel + len;
2966                         DEBUG(5,("smbd_do_qfsinfo : time = %x, namelen = %d, name = %s\n",
2967                                  (unsigned)convert_timespec_to_time_t(st.st_ex_ctime),
2968                                  len, vname));
2969                         break;
2970
2971                 case SMB_QUERY_FS_ATTRIBUTE_INFO:
2972                 case SMB_FS_ATTRIBUTE_INFORMATION:
2973
2974                         additional_flags = 0;
2975 #if defined(HAVE_SYS_QUOTAS)
2976                         additional_flags |= FILE_VOLUME_QUOTAS;
2977 #endif
2978
2979                         if(lp_nt_acl_support(SNUM(conn))) {
2980                                 additional_flags |= FILE_PERSISTENT_ACLS;
2981                         }
2982
2983                         /* Capabilities are filled in at connection time through STATVFS call */
2984                         additional_flags |= conn->fs_capabilities;
2985
2986                         SIVAL(pdata,0,FILE_CASE_PRESERVED_NAMES|FILE_CASE_SENSITIVE_SEARCH|
2987                                 FILE_SUPPORTS_OBJECT_IDS|FILE_UNICODE_ON_DISK|
2988                                 additional_flags); /* FS ATTRIBUTES */
2989
2990                         SIVAL(pdata,4,255); /* Max filename component length */
2991                         /* NOTE! the fstype must *not* be null terminated or win98 won't recognise it
2992                                 and will think we can't do long filenames */
2993                         len = srvstr_push(pdata, flags2, pdata+12, fstype,
2994                                           PTR_DIFF(end_data, pdata+12),
2995                                           STR_UNICODE);
2996                         SIVAL(pdata,8,len);
2997                         data_len = 12 + len;
2998                         break;
2999
3000                 case SMB_QUERY_FS_LABEL_INFO:
3001                 case SMB_FS_LABEL_INFORMATION:
3002                         len = srvstr_push(pdata, flags2, pdata+4, vname,
3003                                           PTR_DIFF(end_data, pdata+4), 0);
3004                         data_len = 4 + len;
3005                         SIVAL(pdata,0,len);
3006                         break;
3007
3008                 case SMB_QUERY_FS_VOLUME_INFO:
3009                 case SMB_FS_VOLUME_INFORMATION:
3010
3011                         /*
3012                          * Add volume serial number - hash of a combination of
3013                          * the called hostname and the service name.
3014                          */
3015                         SIVAL(pdata,8,str_checksum(lp_servicename(snum)) ^
3016                                 (str_checksum(get_local_machine_name())<<16));
3017
3018                         /* Max label len is 32 characters. */
3019                         len = srvstr_push(pdata, flags2, pdata+18, vname,
3020                                           PTR_DIFF(end_data, pdata+18),
3021                                           STR_UNICODE);
3022                         SIVAL(pdata,12,len);
3023                         data_len = 18+len;
3024
3025                         DEBUG(5,("smbd_do_qfsinfo : SMB_QUERY_FS_VOLUME_INFO namelen = %d, vol=%s serv=%s\n",
3026                                 (int)strlen(vname),vname, lp_servicename(snum)));
3027                         break;
3028
3029                 case SMB_QUERY_FS_SIZE_INFO:
3030                 case SMB_FS_SIZE_INFORMATION:
3031                 {
3032                         uint64_t dfree,dsize,bsize,block_size,sectors_per_unit,bytes_per_sector;
3033                         data_len = 24;
3034                         if (get_dfree_info(conn,".",False,&bsize,&dfree,&dsize) == (uint64_t)-1) {
3035                                 return map_nt_error_from_unix(errno);
3036                         }
3037                         block_size = lp_block_size(snum);
3038                         if (bsize < block_size) {
3039                                 uint64_t factor = block_size/bsize;
3040                                 bsize = block_size;
3041                                 dsize /= factor;
3042                                 dfree /= factor;
3043                         }
3044                         if (bsize > block_size) {
3045                                 uint64_t factor = bsize/block_size;
3046                                 bsize = block_size;
3047                                 dsize *= factor;
3048                                 dfree *= factor;
3049                         }
3050                         bytes_per_sector = 512;
3051                         sectors_per_unit = bsize/bytes_per_sector;
3052                         DEBUG(5,("smbd_do_qfsinfo : SMB_QUERY_FS_SIZE_INFO bsize=%u, cSectorUnit=%u, \
3053 cBytesSector=%u, cUnitTotal=%u, cUnitAvail=%d\n", (unsigned int)bsize, (unsigned int)sectors_per_unit,
3054                                 (unsigned int)bytes_per_sector, (unsigned int)dsize, (unsigned int)dfree));
3055                         SBIG_UINT(pdata,0,dsize);
3056                         SBIG_UINT(pdata,8,dfree);
3057                         SIVAL(pdata,16,sectors_per_unit);
3058                         SIVAL(pdata,20,bytes_per_sector);
3059                         break;
3060                 }
3061
3062                 case SMB_FS_FULL_SIZE_INFORMATION:
3063                 {
3064                         uint64_t dfree,dsize,bsize,block_size,sectors_per_unit,bytes_per_sector;
3065                         data_len = 32;
3066                         if (get_dfree_info(conn,".",False,&bsize,&dfree,&dsize) == (uint64_t)-1) {
3067                                 return map_nt_error_from_unix(errno);
3068                         }
3069                         block_size = lp_block_size(snum);
3070                         if (bsize < block_size) {
3071                                 uint64_t factor = block_size/bsize;
3072                                 bsize = block_size;
3073                                 dsize /= factor;
3074                                 dfree /= factor;
3075                         }
3076                         if (bsize > block_size) {
3077                                 uint64_t factor = bsize/block_size;
3078                                 bsize = block_size;
3079                                 dsize *= factor;
3080                                 dfree *= factor;
3081                         }
3082                         bytes_per_sector = 512;
3083                         sectors_per_unit = bsize/bytes_per_sector;
3084                         DEBUG(5,("smbd_do_qfsinfo : SMB_QUERY_FS_FULL_SIZE_INFO bsize=%u, cSectorUnit=%u, \
3085 cBytesSector=%u, cUnitTotal=%u, cUnitAvail=%d\n", (unsigned int)bsize, (unsigned int)sectors_per_unit,
3086                                 (unsigned int)bytes_per_sector, (unsigned int)dsize, (unsigned int)dfree));
3087                         SBIG_UINT(pdata,0,dsize); /* Total Allocation units. */
3088                         SBIG_UINT(pdata,8,dfree); /* Caller available allocation units. */
3089                         SBIG_UINT(pdata,16,dfree); /* Actual available allocation units. */
3090                         SIVAL(pdata,24,sectors_per_unit); /* Sectors per allocation unit. */
3091                         SIVAL(pdata,28,bytes_per_sector); /* Bytes per sector. */
3092                         break;
3093                 }
3094
3095                 case SMB_QUERY_FS_DEVICE_INFO:
3096                 case SMB_FS_DEVICE_INFORMATION:
3097                         data_len = 8;
3098                         SIVAL(pdata,0,0); /* dev type */
3099                         SIVAL(pdata,4,0); /* characteristics */
3100                         break;
3101
3102 #ifdef HAVE_SYS_QUOTAS
3103                 case SMB_FS_QUOTA_INFORMATION:
3104                 /*
3105                  * what we have to send --metze:
3106                  *
3107                  * Unknown1:            24 NULL bytes
3108                  * Soft Quota Treshold: 8 bytes seems like uint64_t or so
3109                  * Hard Quota Limit:    8 bytes seems like uint64_t or so
3110                  * Quota Flags:         2 byte :
3111                  * Unknown3:            6 NULL bytes
3112                  *
3113                  * 48 bytes total
3114                  *
3115                  * details for Quota Flags:
3116                  *
3117                  * 0x0020 Log Limit: log if the user exceeds his Hard Quota
3118                  * 0x0010 Log Warn:  log if the user exceeds his Soft Quota
3119                  * 0x0002 Deny Disk: deny disk access when the user exceeds his Hard Quota
3120                  * 0x0001 Enable Quotas: enable quota for this fs
3121                  *
3122                  */
3123                 {
3124                         /* we need to fake up a fsp here,
3125                          * because its not send in this call
3126                          */
3127                         files_struct fsp;
3128                         SMB_NTQUOTA_STRUCT quotas;
3129
3130                         ZERO_STRUCT(fsp);
3131                         ZERO_STRUCT(quotas);
3132
3133                         fsp.conn = conn;
3134                         fsp.fnum = -1;
3135
3136                         /* access check */
3137                         if (conn->server_info->utok.uid != sec_initial_uid()) {
3138                                 DEBUG(0,("set_user_quota: access_denied "
3139                                          "service [%s] user [%s]\n",
3140                                          lp_servicename(SNUM(conn)),
3141                                          conn->server_info->unix_name));
3142                                 return NT_STATUS_ACCESS_DENIED;
3143                         }
3144
3145                         if (vfs_get_ntquota(&fsp, SMB_USER_FS_QUOTA_TYPE, NULL, &quotas)!=0) {
3146                                 DEBUG(0,("vfs_get_ntquota() failed for service [%s]\n",lp_servicename(SNUM(conn))));
3147                                 return map_nt_error_from_unix(errno);
3148                         }
3149
3150                         data_len = 48;
3151
3152                         DEBUG(10,("SMB_FS_QUOTA_INFORMATION: for service [%s]\n",
3153                                   lp_servicename(SNUM(conn))));
3154
3155                         /* Unknown1 24 NULL bytes*/
3156                         SBIG_UINT(pdata,0,(uint64_t)0);
3157                         SBIG_UINT(pdata,8,(uint64_t)0);
3158                         SBIG_UINT(pdata,16,(uint64_t)0);
3159
3160                         /* Default Soft Quota 8 bytes */
3161                         SBIG_UINT(pdata,24,quotas.softlim);
3162
3163                         /* Default Hard Quota 8 bytes */
3164                         SBIG_UINT(pdata,32,quotas.hardlim);
3165
3166                         /* Quota flag 2 bytes */
3167                         SSVAL(pdata,40,quotas.qflags);
3168
3169                         /* Unknown3 6 NULL bytes */
3170                         SSVAL(pdata,42,0);
3171                         SIVAL(pdata,44,0);
3172
3173                         break;
3174                 }
3175 #endif /* HAVE_SYS_QUOTAS */
3176                 case SMB_FS_OBJECTID_INFORMATION:
3177                 {
3178                         unsigned char objid[16];
3179                         struct smb_extended_info extended_info;
3180                         memcpy(pdata,create_volume_objectid(conn, objid),16);
3181                         samba_extended_info_version (&extended_info);
3182                         SIVAL(pdata,16,extended_info.samba_magic);
3183                         SIVAL(pdata,20,extended_info.samba_version);
3184                         SIVAL(pdata,24,extended_info.samba_subversion);
3185                         SBIG_UINT(pdata,28,extended_info.samba_gitcommitdate);
3186                         memcpy(pdata+36,extended_info.samba_version_string,28);
3187                         data_len = 64;
3188                         break;
3189                 }
3190
3191                 /*
3192                  * Query the version and capabilities of the CIFS UNIX extensions
3193                  * in use.
3194                  */
3195
3196                 case SMB_QUERY_CIFS_UNIX_INFO:
3197                 {
3198                         bool large_write = lp_min_receive_file_size() &&
3199                                         !srv_is_signing_active(smbd_server_conn);
3200                         bool large_read = !srv_is_signing_active(smbd_server_conn);
3201                         int encrypt_caps = 0;
3202
3203                         if (!lp_unix_extensions()) {
3204                                 return NT_STATUS_INVALID_LEVEL;
3205                         }
3206
3207                         switch (conn->encrypt_level) {
3208                         case 0:
3209                                 encrypt_caps = 0;
3210                                 break;
3211                         case 1:
3212                         case Auto:
3213                                 encrypt_caps = CIFS_UNIX_TRANSPORT_ENCRYPTION_CAP;
3214                                 break;
3215                         case Required:
3216                                 encrypt_caps = CIFS_UNIX_TRANSPORT_ENCRYPTION_CAP|
3217                                                 CIFS_UNIX_TRANSPORT_ENCRYPTION_MANDATORY_CAP;
3218                                 large_write = false;
3219                                 large_read = false;
3220                                 break;
3221                         }
3222
3223                         data_len = 12;
3224                         SSVAL(pdata,0,CIFS_UNIX_MAJOR_VERSION);
3225                         SSVAL(pdata,2,CIFS_UNIX_MINOR_VERSION);
3226
3227                         /* We have POSIX ACLs, pathname, encryption,
3228                          * large read/write, and locking capability. */
3229
3230                         SBIG_UINT(pdata,4,((uint64_t)(
3231                                         CIFS_UNIX_POSIX_ACLS_CAP|
3232                                         CIFS_UNIX_POSIX_PATHNAMES_CAP|
3233                                         CIFS_UNIX_FCNTL_LOCKS_CAP|
3234                                         CIFS_UNIX_EXTATTR_CAP|
3235                                         CIFS_UNIX_POSIX_PATH_OPERATIONS_CAP|
3236                                         encrypt_caps|
3237                                         (large_read ? CIFS_UNIX_LARGE_READ_CAP : 0) |
3238                                         (large_write ?
3239                                         CIFS_UNIX_LARGE_WRITE_CAP : 0))));
3240                         break;
3241                 }
3242
3243                 case SMB_QUERY_POSIX_FS_INFO:
3244                 {
3245                         int rc;
3246                         vfs_statvfs_struct svfs;
3247
3248                         if (!lp_unix_extensions()) {
3249                                 return NT_STATUS_INVALID_LEVEL;
3250                         }
3251
3252                         rc = SMB_VFS_STATVFS(conn, ".", &svfs);
3253
3254                         if (!rc) {
3255                                 data_len = 56;
3256                                 SIVAL(pdata,0,svfs.OptimalTransferSize);
3257                                 SIVAL(pdata,4,svfs.BlockSize);
3258                                 SBIG_UINT(pdata,8,svfs.TotalBlocks);
3259                                 SBIG_UINT(pdata,16,svfs.BlocksAvail);
3260                                 SBIG_UINT(pdata,24,svfs.UserBlocksAvail);
3261                                 SBIG_UINT(pdata,32,svfs.TotalFileNodes);
3262                                 SBIG_UINT(pdata,40,svfs.FreeFileNodes);
3263                                 SBIG_UINT(pdata,48,svfs.FsIdentifier);
3264                                 DEBUG(5,("smbd_do_qfsinfo : SMB_QUERY_POSIX_FS_INFO succsessful\n"));
3265 #ifdef EOPNOTSUPP
3266                         } else if (rc == EOPNOTSUPP) {
3267                                 return NT_STATUS_INVALID_LEVEL;
3268 #endif /* EOPNOTSUPP */
3269                         } else {
3270                                 DEBUG(0,("vfs_statvfs() failed for service [%s]\n",lp_servicename(SNUM(conn))));
3271                                 return NT_STATUS_DOS(ERRSRV, ERRerror);
3272                         }
3273                         break;
3274                 }
3275
3276                 case SMB_QUERY_POSIX_WHOAMI:
3277                 {
3278                         uint32_t flags = 0;
3279                         uint32_t sid_bytes;
3280                         int i;
3281
3282                         if (!lp_unix_extensions()) {
3283                                 return NT_STATUS_INVALID_LEVEL;
3284                         }
3285
3286                         if (max_data_bytes < 40) {
3287                                 return NT_STATUS_BUFFER_TOO_SMALL;
3288                         }
3289
3290                         /* We ARE guest if global_sid_Builtin_Guests is
3291                          * in our list of SIDs.
3292                          */
3293                         if (nt_token_check_sid(&global_sid_Builtin_Guests,
3294                                                conn->server_info->ptok)) {
3295                                 flags |= SMB_WHOAMI_GUEST;
3296                         }
3297
3298                         /* We are NOT guest if global_sid_Authenticated_Users
3299                          * is in our list of SIDs.
3300                          */
3301                         if (nt_token_check_sid(&global_sid_Authenticated_Users,
3302                                                conn->server_info->ptok)) {
3303                                 flags &= ~SMB_WHOAMI_GUEST;
3304                         }
3305
3306                         /* NOTE: 8 bytes for UID/GID, irrespective of native
3307                          * platform size. This matches
3308                          * SMB_QUERY_FILE_UNIX_BASIC and friends.
3309                          */
3310                         data_len = 4 /* flags */
3311                             + 4 /* flag mask */
3312                             + 8 /* uid */
3313                             + 8 /* gid */
3314                             + 4 /* ngroups */
3315                             + 4 /* num_sids */
3316                             + 4 /* SID bytes */
3317                             + 4 /* pad/reserved */
3318                             + (conn->server_info->utok.ngroups * 8)
3319                                 /* groups list */
3320                             + (conn->server_info->ptok->num_sids *
3321                                     SID_MAX_SIZE)
3322                                 /* SID list */;
3323
3324                         SIVAL(pdata, 0, flags);
3325                         SIVAL(pdata, 4, SMB_WHOAMI_MASK);
3326                         SBIG_UINT(pdata, 8,
3327                                   (uint64_t)conn->server_info->utok.uid);
3328                         SBIG_UINT(pdata, 16,
3329                                   (uint64_t)conn->server_info->utok.gid);
3330
3331
3332                         if (data_len >= max_data_bytes) {
3333                                 /* Potential overflow, skip the GIDs and SIDs. */
3334
3335                                 SIVAL(pdata, 24, 0); /* num_groups */
3336                                 SIVAL(pdata, 28, 0); /* num_sids */
3337                                 SIVAL(pdata, 32, 0); /* num_sid_bytes */
3338                                 SIVAL(pdata, 36, 0); /* reserved */
3339
3340                                 data_len = 40;
3341                                 break;
3342                         }
3343
3344                         SIVAL(pdata, 24, conn->server_info->utok.ngroups);
3345                         SIVAL(pdata, 28, conn->server_info->num_sids);
3346
3347                         /* We walk the SID list twice, but this call is fairly
3348                          * infrequent, and I don't expect that it's performance
3349                          * sensitive -- jpeach
3350                          */
3351                         for (i = 0, sid_bytes = 0;
3352                              i < conn->server_info->ptok->num_sids; ++i) {
3353                                 sid_bytes += ndr_size_dom_sid(
3354                                         &conn->server_info->ptok->user_sids[i],
3355                                         NULL,
3356                                         0);
3357                         }
3358
3359                         /* SID list byte count */
3360                         SIVAL(pdata, 32, sid_bytes);
3361
3362                         /* 4 bytes pad/reserved - must be zero */
3363                         SIVAL(pdata, 36, 0);
3364                         data_len = 40;
3365
3366                         /* GID list */
3367                         for (i = 0; i < conn->server_info->utok.ngroups; ++i) {
3368                                 SBIG_UINT(pdata, data_len,
3369                                           (uint64_t)conn->server_info->utok.groups[i]);
3370                                 data_len += 8;
3371                         }
3372
3373                         /* SID list */
3374                         for (i = 0;
3375                             i < conn->server_info->ptok->num_sids; ++i) {
3376                                 int sid_len = ndr_size_dom_sid(
3377                                         &conn->server_info->ptok->user_sids[i],
3378                                         NULL,
3379                                         0);
3380
3381                                 sid_linearize(pdata + data_len, sid_len,
3382                                     &conn->server_info->ptok->user_sids[i]);
3383                                 data_len += sid_len;
3384                         }
3385
3386                         break;
3387                 }
3388
3389                 case SMB_MAC_QUERY_FS_INFO:
3390                         /*
3391                          * Thursby MAC extension... ONLY on NTFS filesystems
3392                          * once we do streams then we don't need this
3393                          */
3394                         if (strequal(lp_fstype(SNUM(conn)),"NTFS")) {
3395                                 data_len = 88;
3396                                 SIVAL(pdata,84,0x100); /* Don't support mac... */
3397                                 break;
3398                         }
3399                         /* drop through */
3400                 default:
3401                         return NT_STATUS_INVALID_LEVEL;
3402         }
3403
3404         *ret_data_len = data_len;
3405         return NT_STATUS_OK;
3406 }
3407
3408 /****************************************************************************
3409  Reply to a TRANS2_QFSINFO (query filesystem info).
3410 ****************************************************************************/
3411
3412 static void call_trans2qfsinfo(connection_struct *conn,
3413                                struct smb_request *req,
3414                                char **pparams, int total_params,
3415                                char **ppdata, int total_data,
3416                                unsigned int max_data_bytes)
3417 {
3418         char *params = *pparams;
3419         uint16_t info_level;
3420         int data_len = 0;
3421         NTSTATUS status;
3422
3423         if (total_params < 2) {
3424                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3425                 return;
3426         }
3427
3428         info_level = SVAL(params,0);
3429
3430         if (ENCRYPTION_REQUIRED(conn) && !req->encrypted) {
3431                 if (info_level != SMB_QUERY_CIFS_UNIX_INFO) {
3432                         DEBUG(0,("call_trans2qfsinfo: encryption required "
3433                                 "and info level 0x%x sent.\n",
3434                                 (unsigned int)info_level));
3435                         exit_server_cleanly("encryption required "
3436                                 "on connection");
3437                         return;
3438                 }
3439         }
3440
3441         DEBUG(3,("call_trans2qfsinfo: level = %d\n", info_level));
3442
3443         status = smbd_do_qfsinfo(conn, req,
3444                                  info_level,
3445                                  req->flags2,
3446                                  max_data_bytes,
3447                                  ppdata, &data_len);
3448         if (!NT_STATUS_IS_OK(status)) {
3449                 reply_nterror(req, status);
3450                 return;
3451         }
3452
3453         send_trans2_replies(conn, req, params, 0, *ppdata, data_len,
3454                             max_data_bytes);
3455
3456         DEBUG( 4, ( "%s info_level = %d\n",
3457                     smb_fn_name(req->cmd), info_level) );
3458
3459         return;
3460 }
3461
3462 /****************************************************************************
3463  Reply to a TRANS2_SETFSINFO (set filesystem info).
3464 ****************************************************************************/
3465
3466 static void call_trans2setfsinfo(connection_struct *conn,
3467                                  struct smb_request *req,
3468                                  char **pparams, int total_params,
3469                                  char **ppdata, int total_data,
3470                                  unsigned int max_data_bytes)
3471 {
3472         char *pdata = *ppdata;
3473         char *params = *pparams;
3474         uint16 info_level;
3475
3476         DEBUG(10,("call_trans2setfsinfo: for service [%s]\n",lp_servicename(SNUM(conn))));
3477
3478         /*  */
3479         if (total_params < 4) {
3480                 DEBUG(0,("call_trans2setfsinfo: requires total_params(%d) >= 4 bytes!\n",
3481                         total_params));
3482                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3483                 return;
3484         }
3485
3486         info_level = SVAL(params,2);
3487
3488         if (IS_IPC(conn)) {
3489                 if (info_level != SMB_REQUEST_TRANSPORT_ENCRYPTION &&
3490                                 info_level != SMB_SET_CIFS_UNIX_INFO) {
3491                         DEBUG(0,("call_trans2setfsinfo: not an allowed "
3492                                 "info level (0x%x) on IPC$.\n",
3493                                 (unsigned int)info_level));
3494                         reply_nterror(req, NT_STATUS_ACCESS_DENIED);
3495                         return;
3496                 }
3497         }
3498
3499         if (ENCRYPTION_REQUIRED(conn) && !req->encrypted) {
3500                 if (info_level != SMB_REQUEST_TRANSPORT_ENCRYPTION) {
3501                         DEBUG(0,("call_trans2setfsinfo: encryption required "
3502                                 "and info level 0x%x sent.\n",
3503                                 (unsigned int)info_level));
3504                         exit_server_cleanly("encryption required "
3505                                 "on connection");
3506                         return;
3507                 }
3508         }
3509
3510         switch(info_level) {
3511                 case SMB_SET_CIFS_UNIX_INFO:
3512                         {
3513                                 uint16 client_unix_major;
3514                                 uint16 client_unix_minor;
3515                                 uint32 client_unix_cap_low;
3516                                 uint32 client_unix_cap_high;
3517
3518                                 if (!lp_unix_extensions()) {
3519                                         reply_nterror(req,
3520                                                       NT_STATUS_INVALID_LEVEL);
3521                                         return;
3522                                 }
3523
3524                                 /* There should be 12 bytes of capabilities set. */
3525                                 if (total_data < 8) {
3526                                         reply_nterror(
3527                                                 req,
3528                                                 NT_STATUS_INVALID_PARAMETER);
3529                                         return;
3530                                 }
3531                                 client_unix_major = SVAL(pdata,0);
3532                                 client_unix_minor = SVAL(pdata,2);
3533                                 client_unix_cap_low = IVAL(pdata,4);
3534                                 client_unix_cap_high = IVAL(pdata,8);
3535                                 /* Just print these values for now. */
3536                                 DEBUG(10,("call_trans2setfsinfo: set unix info. major = %u, minor = %u \
3537 cap_low = 0x%x, cap_high = 0x%x\n",
3538                                         (unsigned int)client_unix_major,
3539                                         (unsigned int)client_unix_minor,
3540                                         (unsigned int)client_unix_cap_low,
3541                                         (unsigned int)client_unix_cap_high ));
3542
3543                                 /* Here is where we must switch to posix pathname processing... */
3544                                 if (client_unix_cap_low & CIFS_UNIX_POSIX_PATHNAMES_CAP) {
3545                                         lp_set_posix_pathnames();
3546                                         mangle_change_to_posix();
3547                                 }
3548
3549                                 if ((client_unix_cap_low & CIFS_UNIX_FCNTL_LOCKS_CAP) &&
3550                                     !(client_unix_cap_low & CIFS_UNIX_POSIX_PATH_OPERATIONS_CAP)) {
3551                                         /* Client that knows how to do posix locks,
3552                                          * but not posix open/mkdir operations. Set a
3553                                          * default type for read/write checks. */
3554
3555                                         lp_set_posix_default_cifsx_readwrite_locktype(POSIX_LOCK);
3556
3557                                 }
3558                                 break;
3559                         }
3560
3561                 case SMB_REQUEST_TRANSPORT_ENCRYPTION:
3562                         {
3563                                 NTSTATUS status;
3564                                 size_t param_len = 0;
3565                                 size_t data_len = total_data;
3566
3567                                 if (!lp_unix_extensions()) {
3568                                         reply_nterror(
3569                                                 req,
3570                                                 NT_STATUS_INVALID_LEVEL);
3571                                         return;
3572                                 }
3573
3574                                 if (lp_smb_encrypt(SNUM(conn)) == false) {
3575                                         reply_nterror(
3576                                                 req,
3577                                                 NT_STATUS_NOT_SUPPORTED);
3578                                         return;
3579                                 }
3580
3581                                 DEBUG( 4,("call_trans2setfsinfo: "
3582                                         "request transport encryption.\n"));
3583
3584                                 status = srv_request_encryption_setup(conn,
3585                                                                 (unsigned char **)ppdata,
3586                                                                 &data_len,
3587                                                                 (unsigned char **)pparams,
3588                                                                 &param_len);
3589
3590                                 if (!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED) &&
3591                                                 !NT_STATUS_IS_OK(status)) {
3592                                         reply_nterror(req, status);
3593                                         return;
3594                                 }
3595
3596                                 send_trans2_replies(conn, req,
3597                                                 *pparams,
3598                                                 param_len,
3599                                                 *ppdata,
3600                                                 data_len,
3601                                                 max_data_bytes);
3602
3603                                 if (NT_STATUS_IS_OK(status)) {
3604                                         /* Server-side transport
3605                                          * encryption is now *on*. */
3606                                         status = srv_encryption_start(conn);
3607                                         if (!NT_STATUS_IS_OK(status)) {
3608                                                 exit_server_cleanly(
3609                                                         "Failure in setting "
3610                                                         "up encrypted transport");
3611                                         }
3612                                 }
3613                                 return;
3614                         }
3615
3616                 case SMB_FS_QUOTA_INFORMATION:
3617                         {
3618                                 files_struct *fsp = NULL;
3619                                 SMB_NTQUOTA_STRUCT quotas;
3620
3621                                 ZERO_STRUCT(quotas);
3622
3623                                 /* access check */
3624                                 if ((conn->server_info->utok.uid != sec_initial_uid())
3625                                     ||!CAN_WRITE(conn)) {
3626                                         DEBUG(0,("set_user_quota: access_denied service [%s] user [%s]\n",
3627                                                  lp_servicename(SNUM(conn)),
3628                                                  conn->server_info->unix_name));
3629                                         reply_nterror(req, NT_STATUS_ACCESS_DENIED);
3630                                         return;
3631                                 }
3632
3633                                 /* note: normaly there're 48 bytes,
3634                                  * but we didn't use the last 6 bytes for now
3635                                  * --metze
3636                                  */
3637                                 fsp = file_fsp(req, SVAL(params,0));
3638
3639                                 if (!check_fsp_ntquota_handle(conn, req,
3640                                                               fsp)) {
3641                                         DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
3642                                         reply_nterror(
3643                                                 req, NT_STATUS_INVALID_HANDLE);
3644                                         return;
3645                                 }
3646
3647                                 if (total_data < 42) {
3648                                         DEBUG(0,("call_trans2setfsinfo: SET_FS_QUOTA: requires total_data(%d) >= 42 bytes!\n",
3649                                                 total_data));
3650                                         reply_nterror(
3651                                                 req,
3652                                                 NT_STATUS_INVALID_PARAMETER);
3653                                         return;
3654                                 }
3655
3656                                 /* unknown_1 24 NULL bytes in pdata*/
3657
3658                                 /* the soft quotas 8 bytes (uint64_t)*/
3659                                 quotas.softlim = (uint64_t)IVAL(pdata,24);
3660 #ifdef LARGE_SMB_OFF_T
3661                                 quotas.softlim |= (((uint64_t)IVAL(pdata,28)) << 32);
3662 #else /* LARGE_SMB_OFF_T */
3663                                 if ((IVAL(pdata,28) != 0)&&
3664                                         ((quotas.softlim != 0xFFFFFFFF)||
3665                                         (IVAL(pdata,28)!=0xFFFFFFFF))) {
3666                                         /* more than 32 bits? */
3667                                         reply_nterror(
3668                                                 req,
3669                                                 NT_STATUS_INVALID_PARAMETER);
3670                                         return;
3671                                 }
3672 #endif /* LARGE_SMB_OFF_T */
3673
3674                                 /* the hard quotas 8 bytes (uint64_t)*/
3675                                 quotas.hardlim = (uint64_t)IVAL(pdata,32);
3676 #ifdef LARGE_SMB_OFF_T
3677                                 quotas.hardlim |= (((uint64_t)IVAL(pdata,36)) << 32);
3678 #else /* LARGE_SMB_OFF_T */
3679                                 if ((IVAL(pdata,36) != 0)&&
3680                                         ((quotas.hardlim != 0xFFFFFFFF)||
3681                                         (IVAL(pdata,36)!=0xFFFFFFFF))) {
3682                                         /* more than 32 bits? */
3683                                         reply_nterror(
3684                                                 req,
3685                                                 NT_STATUS_INVALID_PARAMETER);
3686                                         return;
3687                                 }
3688 #endif /* LARGE_SMB_OFF_T */
3689
3690                                 /* quota_flags 2 bytes **/
3691                                 quotas.qflags = SVAL(pdata,40);
3692
3693                                 /* unknown_2 6 NULL bytes follow*/
3694
3695                                 /* now set the quotas */
3696                                 if (vfs_set_ntquota(fsp, SMB_USER_FS_QUOTA_TYPE, NULL, &quotas)!=0) {
3697                                         DEBUG(0,("vfs_set_ntquota() failed for service [%s]\n",lp_servicename(SNUM(conn))));
3698                                         reply_nterror(req, map_nt_error_from_unix(errno));
3699                                         return;
3700                                 }
3701
3702                                 break;
3703                         }
3704                 default:
3705                         DEBUG(3,("call_trans2setfsinfo: unknown level (0x%X) not implemented yet.\n",
3706                                 info_level));
3707                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
3708                         return;
3709                         break;
3710         }
3711
3712         /*
3713          * sending this reply works fine,
3714          * but I'm not sure it's the same
3715          * like windows do...
3716          * --metze
3717          */
3718         reply_outbuf(req, 10, 0);
3719 }
3720
3721 #if defined(HAVE_POSIX_ACLS)
3722 /****************************************************************************
3723  Utility function to count the number of entries in a POSIX acl.
3724 ****************************************************************************/
3725
3726 static unsigned int count_acl_entries(connection_struct *conn, SMB_ACL_T posix_acl)
3727 {
3728         unsigned int ace_count = 0;
3729         int entry_id = SMB_ACL_FIRST_ENTRY;
3730         SMB_ACL_ENTRY_T entry;
3731
3732         while ( posix_acl && (SMB_VFS_SYS_ACL_GET_ENTRY(conn, posix_acl, entry_id, &entry) == 1)) {
3733                 /* get_next... */
3734                 if (entry_id == SMB_ACL_FIRST_ENTRY) {
3735                         entry_id = SMB_ACL_NEXT_ENTRY;
3736                 }
3737                 ace_count++;
3738         }
3739         return ace_count;
3740 }
3741
3742 /****************************************************************************
3743  Utility function to marshall a POSIX acl into wire format.
3744 ****************************************************************************/
3745
3746 static bool marshall_posix_acl(connection_struct *conn, char *pdata, SMB_STRUCT_STAT *pst, SMB_ACL_T posix_acl)
3747 {
3748         int entry_id = SMB_ACL_FIRST_ENTRY;
3749         SMB_ACL_ENTRY_T entry;
3750
3751         while ( posix_acl && (SMB_VFS_SYS_ACL_GET_ENTRY(conn, posix_acl, entry_id, &entry) == 1)) {
3752                 SMB_ACL_TAG_T tagtype;
3753                 SMB_ACL_PERMSET_T permset;
3754                 unsigned char perms = 0;
3755                 unsigned int own_grp;
3756
3757                 /* get_next... */
3758                 if (entry_id == SMB_ACL_FIRST_ENTRY) {
3759                         entry_id = SMB_ACL_NEXT_ENTRY;
3760                 }
3761
3762                 if (SMB_VFS_SYS_ACL_GET_TAG_TYPE(conn, entry, &tagtype) == -1) {
3763                         DEBUG(0,("marshall_posix_acl: SMB_VFS_SYS_ACL_GET_TAG_TYPE failed.\n"));
3764                         return False;
3765                 }
3766
3767                 if (SMB_VFS_SYS_ACL_GET_PERMSET(conn, entry, &permset) == -1) {
3768                         DEBUG(0,("marshall_posix_acl: SMB_VFS_SYS_ACL_GET_PERMSET failed.\n"));
3769                         return False;
3770                 }
3771
3772                 perms |= (SMB_VFS_SYS_ACL_GET_PERM(conn, permset, SMB_ACL_READ) ? SMB_POSIX_ACL_READ : 0);
3773                 perms |= (SMB_VFS_SYS_ACL_GET_PERM(conn, permset, SMB_ACL_WRITE) ? SMB_POSIX_ACL_WRITE : 0);
3774                 perms |= (SMB_VFS_SYS_ACL_GET_PERM(conn, permset, SMB_ACL_EXECUTE) ? SMB_POSIX_ACL_EXECUTE : 0);
3775
3776                 SCVAL(pdata,1,perms);
3777
3778                 switch (tagtype) {
3779                         case SMB_ACL_USER_OBJ:
3780                                 SCVAL(pdata,0,SMB_POSIX_ACL_USER_OBJ);
3781                                 own_grp = (unsigned int)pst->st_ex_uid;
3782                                 SIVAL(pdata,2,own_grp);
3783                                 SIVAL(pdata,6,0);
3784                                 break;
3785                         case SMB_ACL_USER:
3786                                 {
3787                                         uid_t *puid = (uid_t *)SMB_VFS_SYS_ACL_GET_QUALIFIER(conn, entry);
3788                                         if (!puid) {
3789                                                 DEBUG(0,("marshall_posix_acl: SMB_VFS_SYS_ACL_GET_QUALIFIER failed.\n"));
3790                                                 return False;
3791                                         }
3792                                         own_grp = (unsigned int)*puid;
3793                                         SMB_VFS_SYS_ACL_FREE_QUALIFIER(conn, (void *)puid,tagtype);
3794                                         SCVAL(pdata,0,SMB_POSIX_ACL_USER);
3795                                         SIVAL(pdata,2,own_grp);
3796                                         SIVAL(pdata,6,0);
3797                                         break;
3798                                 }
3799                         case SMB_ACL_GROUP_OBJ:
3800                                 SCVAL(pdata,0,SMB_POSIX_ACL_GROUP_OBJ);
3801                                 own_grp = (unsigned int)pst->st_ex_gid;
3802                                 SIVAL(pdata,2,own_grp);
3803                                 SIVAL(pdata,6,0);
3804                                 break;
3805                         case SMB_ACL_GROUP:
3806                                 {
3807                                         gid_t *pgid= (gid_t *)SMB_VFS_SYS_ACL_GET_QUALIFIER(conn, entry);
3808                                         if (!pgid) {
3809                                                 DEBUG(0,("marshall_posix_acl: SMB_VFS_SYS_ACL_GET_QUALIFIER failed.\n"));
3810                                                 return False;
3811                                         }
3812                                         own_grp = (unsigned int)*pgid;
3813                                         SMB_VFS_SYS_ACL_FREE_QUALIFIER(conn, (void *)pgid,tagtype);
3814                                         SCVAL(pdata,0,SMB_POSIX_ACL_GROUP);
3815                                         SIVAL(pdata,2,own_grp);
3816                                         SIVAL(pdata,6,0);
3817                                         break;
3818                                 }
3819                         case SMB_ACL_MASK:
3820                                 SCVAL(pdata,0,SMB_POSIX_ACL_MASK);
3821                                 SIVAL(pdata,2,0xFFFFFFFF);
3822                                 SIVAL(pdata,6,0xFFFFFFFF);
3823                                 break;
3824                         case SMB_ACL_OTHER:
3825                                 SCVAL(pdata,0,SMB_POSIX_ACL_OTHER);
3826                                 SIVAL(pdata,2,0xFFFFFFFF);
3827                                 SIVAL(pdata,6,0xFFFFFFFF);
3828                                 break;
3829                         default:
3830                                 DEBUG(0,("marshall_posix_acl: unknown tagtype.\n"));
3831                                 return False;
3832                 }
3833                 pdata += SMB_POSIX_ACL_ENTRY_SIZE;
3834         }
3835
3836         return True;
3837 }
3838 #endif
3839
3840 /****************************************************************************
3841  Store the FILE_UNIX_BASIC info.
3842 ****************************************************************************/
3843
3844 static char *store_file_unix_basic(connection_struct *conn,
3845                                 char *pdata,
3846                                 files_struct *fsp,
3847                                 const SMB_STRUCT_STAT *psbuf)
3848 {
3849         DEBUG(10,("store_file_unix_basic: SMB_QUERY_FILE_UNIX_BASIC\n"));
3850         DEBUG(4,("store_file_unix_basic: st_mode=%o\n",(int)psbuf->st_ex_mode));
3851
3852         SOFF_T(pdata,0,get_file_size_stat(psbuf));             /* File size 64 Bit */
3853         pdata += 8;
3854
3855         SOFF_T(pdata,0,SMB_VFS_GET_ALLOC_SIZE(conn,fsp,psbuf)); /* Number of bytes used on disk - 64 Bit */
3856         pdata += 8;
3857
3858         put_long_date_timespec(pdata, psbuf->st_ex_ctime);       /* Change Time 64 Bit */
3859         put_long_date_timespec(pdata+8, psbuf->st_ex_atime);     /* Last access time 64 Bit */
3860         put_long_date_timespec(pdata+16, psbuf->st_ex_mtime);    /* Last modification time 64 Bit */
3861         pdata += 24;
3862
3863         SIVAL(pdata,0,psbuf->st_ex_uid);               /* user id for the owner */
3864         SIVAL(pdata,4,0);
3865         pdata += 8;
3866
3867         SIVAL(pdata,0,psbuf->st_ex_gid);               /* group id of owner */
3868         SIVAL(pdata,4,0);
3869         pdata += 8;
3870
3871         SIVAL(pdata,0,unix_filetype(psbuf->st_ex_mode));
3872         pdata += 4;
3873
3874         SIVAL(pdata,0,unix_dev_major(psbuf->st_ex_rdev));   /* Major device number if type is device */
3875         SIVAL(pdata,4,0);
3876         pdata += 8;
3877
3878         SIVAL(pdata,0,unix_dev_minor(psbuf->st_ex_rdev));   /* Minor device number if type is device */
3879         SIVAL(pdata,4,0);
3880         pdata += 8;
3881
3882         SINO_T_VAL(pdata,0,(SMB_INO_T)psbuf->st_ex_ino);   /* inode number */
3883         pdata += 8;
3884
3885         SIVAL(pdata,0, unix_perms_to_wire(psbuf->st_ex_mode));     /* Standard UNIX file permissions */
3886         SIVAL(pdata,4,0);
3887         pdata += 8;
3888
3889         SIVAL(pdata,0,psbuf->st_ex_nlink);             /* number of hard links */
3890         SIVAL(pdata,4,0);
3891         pdata += 8;
3892
3893         return pdata;
3894 }
3895
3896 /* Forward and reverse mappings from the UNIX_INFO2 file flags field and
3897  * the chflags(2) (or equivalent) flags.
3898  *
3899  * XXX: this really should be behind the VFS interface. To do this, we would
3900  * need to alter SMB_STRUCT_STAT so that it included a flags and a mask field.
3901  * Each VFS module could then implement its own mapping as appropriate for the
3902  * platform. We would then pass the SMB flags into SMB_VFS_CHFLAGS.
3903  */
3904 static const struct {unsigned stat_fflag; unsigned smb_fflag;}
3905         info2_flags_map[] =
3906 {
3907 #ifdef UF_NODUMP
3908     { UF_NODUMP, EXT_DO_NOT_BACKUP },
3909 #endif
3910
3911 #ifdef UF_IMMUTABLE
3912     { UF_IMMUTABLE, EXT_IMMUTABLE },
3913 #endif
3914
3915 #ifdef UF_APPEND
3916     { UF_APPEND, EXT_OPEN_APPEND_ONLY },
3917 #endif
3918
3919 #ifdef UF_HIDDEN
3920     { UF_HIDDEN, EXT_HIDDEN },
3921 #endif
3922
3923     /* Do not remove. We need to guarantee that this array has at least one
3924      * entry to build on HP-UX.
3925      */
3926     { 0, 0 }
3927
3928 };
3929
3930 static void map_info2_flags_from_sbuf(const SMB_STRUCT_STAT *psbuf,
3931                                 uint32 *smb_fflags, uint32 *smb_fmask)
3932 {
3933         int i;
3934
3935         for (i = 0; i < ARRAY_SIZE(info2_flags_map); ++i) {
3936             *smb_fmask |= info2_flags_map[i].smb_fflag;
3937             if (psbuf->st_ex_flags & info2_flags_map[i].stat_fflag) {
3938                     *smb_fflags |= info2_flags_map[i].smb_fflag;
3939             }
3940         }
3941 }
3942
3943 static bool map_info2_flags_to_sbuf(const SMB_STRUCT_STAT *psbuf,
3944                                 const uint32 smb_fflags,
3945                                 const uint32 smb_fmask,
3946                                 int *stat_fflags)
3947 {
3948         uint32 max_fmask = 0;
3949         int i;
3950
3951         *stat_fflags = psbuf->st_ex_flags;
3952
3953         /* For each flags requested in smb_fmask, check the state of the
3954          * corresponding flag in smb_fflags and set or clear the matching
3955          * stat flag.
3956          */
3957
3958         for (i = 0; i < ARRAY_SIZE(info2_flags_map); ++i) {
3959             max_fmask |= info2_flags_map[i].smb_fflag;
3960             if (smb_fmask & info2_flags_map[i].smb_fflag) {
3961                     if (smb_fflags & info2_flags_map[i].smb_fflag) {
3962                             *stat_fflags |= info2_flags_map[i].stat_fflag;
3963                     } else {
3964                             *stat_fflags &= ~info2_flags_map[i].stat_fflag;
3965                     }
3966             }
3967         }
3968
3969         /* If smb_fmask is asking to set any bits that are not supported by
3970          * our flag mappings, we should fail.
3971          */
3972         if ((smb_fmask & max_fmask) != smb_fmask) {
3973                 return False;
3974         }
3975
3976         return True;
3977 }
3978
3979
3980 /* Just like SMB_QUERY_FILE_UNIX_BASIC, but with the addition
3981  * of file flags and birth (create) time.
3982  */
3983 static char *store_file_unix_basic_info2(connection_struct *conn,
3984                                 char *pdata,
3985                                 files_struct *fsp,
3986                                 const SMB_STRUCT_STAT *psbuf)
3987 {
3988         uint32 file_flags = 0;
3989         uint32 flags_mask = 0;
3990
3991         pdata = store_file_unix_basic(conn, pdata, fsp, psbuf);
3992
3993         /* Create (birth) time 64 bit */
3994         put_long_date_timespec(pdata, psbuf->st_ex_btime);
3995         pdata += 8;
3996
3997         map_info2_flags_from_sbuf(psbuf, &file_flags, &flags_mask);
3998         SIVAL(pdata, 0, file_flags); /* flags */
3999         SIVAL(pdata, 4, flags_mask); /* mask */
4000         pdata += 8;
4001
4002         return pdata;
4003 }
4004
4005 static NTSTATUS marshall_stream_info(unsigned int num_streams,
4006                                      const struct stream_struct *streams,
4007                                      char *data,
4008                                      unsigned int max_data_bytes,
4009                                      unsigned int *data_size)
4010 {
4011         unsigned int i;
4012         unsigned int ofs = 0;
4013
4014         for (i = 0; i < num_streams && ofs <= max_data_bytes; i++) {
4015                 unsigned int next_offset;
4016                 size_t namelen;
4017                 smb_ucs2_t *namebuf;
4018
4019                 if (!push_ucs2_talloc(talloc_tos(), &namebuf,
4020                                       streams[i].name, &namelen) ||
4021                     namelen <= 2)
4022                 {
4023                         return NT_STATUS_INVALID_PARAMETER;
4024                 }
4025
4026                 /*
4027                  * name_buf is now null-terminated, we need to marshall as not
4028                  * terminated
4029                  */
4030
4031                 namelen -= 2;
4032
4033                 SIVAL(data, ofs+4, namelen);
4034                 SOFF_T(data, ofs+8, streams[i].size);
4035                 SOFF_T(data, ofs+16, streams[i].alloc_size);
4036                 memcpy(data+ofs+24, namebuf, namelen);
4037                 TALLOC_FREE(namebuf);
4038
4039                 next_offset = ofs + 24 + namelen;
4040
4041                 if (i == num_streams-1) {
4042                         SIVAL(data, ofs, 0);
4043                 }
4044                 else {
4045                         unsigned int align = ndr_align_size(next_offset, 8);
4046
4047                         memset(data+next_offset, 0, align);
4048                         next_offset += align;
4049
4050                         SIVAL(data, ofs, next_offset - ofs);
4051                         ofs = next_offset;
4052                 }
4053
4054                 ofs = next_offset;
4055         }
4056
4057         *data_size = ofs;
4058
4059         return NT_STATUS_OK;
4060 }
4061
4062 /****************************************************************************
4063  Reply to a TRANSACT2_QFILEINFO on a PIPE !
4064 ****************************************************************************/
4065
4066 static void call_trans2qpipeinfo(connection_struct *conn,
4067                                  struct smb_request *req,
4068                                  unsigned int tran_call,
4069                                  char **pparams, int total_params,
4070                                  char **ppdata, int total_data,
4071                                  unsigned int max_data_bytes)
4072 {
4073         char *params = *pparams;
4074         char *pdata = *ppdata;
4075         unsigned int data_size = 0;
4076         unsigned int param_size = 2;
4077         uint16 info_level;
4078         files_struct *fsp;
4079
4080         if (!params) {
4081                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4082                 return;
4083         }
4084
4085         if (total_params < 4) {
4086                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4087                 return;
4088         }
4089
4090         fsp = file_fsp(req, SVAL(params,0));
4091         if (!fsp_is_np(fsp)) {
4092                 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
4093                 return;
4094         }
4095
4096         info_level = SVAL(params,2);
4097
4098         *pparams = (char *)SMB_REALLOC(*pparams,2);
4099         if (*pparams == NULL) {
4100                 reply_nterror(req, NT_STATUS_NO_MEMORY);
4101                 return;
4102         }
4103         params = *pparams;
4104         SSVAL(params,0,0);
4105         data_size = max_data_bytes + DIR_ENTRY_SAFETY_MARGIN;
4106         *ppdata = (char *)SMB_REALLOC(*ppdata, data_size);
4107         if (*ppdata == NULL ) {
4108                 reply_nterror(req, NT_STATUS_NO_MEMORY);
4109                 return;
4110         }
4111         pdata = *ppdata;
4112
4113         switch (info_level) {
4114                 case SMB_FILE_STANDARD_INFORMATION:
4115                         memset(pdata,0,24);
4116                         SOFF_T(pdata,0,4096LL);
4117                         SIVAL(pdata,16,1);
4118                         SIVAL(pdata,20,1);
4119                         data_size = 24;
4120                         break;
4121
4122                 default:
4123                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
4124                         return;
4125         }
4126
4127         send_trans2_replies(conn, req, params, param_size, *ppdata, data_size,
4128                             max_data_bytes);
4129
4130         return;
4131 }
4132
4133 NTSTATUS smbd_do_qfilepathinfo(connection_struct *conn,
4134                                TALLOC_CTX *mem_ctx,
4135                                uint16_t info_level,
4136                                files_struct *fsp,
4137                                struct smb_filename *smb_fname,
4138                                bool delete_pending,
4139                                struct timespec write_time_ts,
4140                                bool ms_dfs_link,
4141                                struct ea_list *ea_list,
4142                                int lock_data_count,
4143                                char *lock_data,
4144                                uint16_t flags2,
4145                                unsigned int max_data_bytes,
4146                                char **ppdata,
4147                                unsigned int *pdata_size)
4148 {
4149         char *pdata = *ppdata;
4150         char *dstart, *dend;
4151         unsigned int data_size;
4152         struct timespec create_time_ts, mtime_ts, atime_ts, ctime_ts;
4153         time_t create_time, mtime, atime, c_time;
4154         SMB_STRUCT_STAT *psbuf = &smb_fname->st;
4155         char *p;
4156         char *base_name;
4157         char *dos_fname;
4158         int mode;
4159         int nlink;
4160         NTSTATUS status;
4161         uint64_t file_size = 0;
4162         uint64_t pos = 0;
4163         uint64_t allocation_size = 0;
4164         uint64_t file_index = 0;
4165         uint32_t access_mask = 0;
4166
4167         if (INFO_LEVEL_IS_UNIX(info_level) && !lp_unix_extensions()) {
4168                 return NT_STATUS_INVALID_LEVEL;
4169         }
4170
4171         DEBUG(5,("smbd_do_qfilepathinfo: %s (fnum = %d) level=%d max_data=%u\n",
4172                  smb_fname_str_dbg(smb_fname), fsp ? fsp->fnum : -1,
4173                  info_level, max_data_bytes));
4174
4175         if (ms_dfs_link) {
4176                 mode = dos_mode_msdfs(conn, smb_fname);
4177         } else {
4178                 mode = dos_mode(conn, smb_fname);
4179         }
4180         if (!mode)
4181                 mode = FILE_ATTRIBUTE_NORMAL;
4182
4183         nlink = psbuf->st_ex_nlink;
4184
4185         if (nlink && (mode&aDIR)) {
4186                 nlink = 1;
4187         }
4188
4189         if ((nlink > 0) && delete_pending) {
4190                 nlink -= 1;
4191         }
4192
4193         data_size = max_data_bytes + DIR_ENTRY_SAFETY_MARGIN;
4194         *ppdata = (char *)SMB_REALLOC(*ppdata, data_size);
4195         if (*ppdata == NULL) {
4196                 return NT_STATUS_NO_MEMORY;
4197         }
4198         pdata = *ppdata;
4199         dstart = pdata;
4200         dend = dstart + data_size - 1;
4201
4202         if (!null_timespec(write_time_ts) && !INFO_LEVEL_IS_UNIX(info_level)) {
4203                 update_stat_ex_mtime(psbuf, write_time_ts);
4204         }
4205
4206         create_time_ts = get_create_timespec(conn, fsp, smb_fname);
4207         mtime_ts = psbuf->st_ex_mtime;
4208         atime_ts = psbuf->st_ex_atime;
4209         ctime_ts = get_change_timespec(conn, fsp, smb_fname);
4210
4211         if (lp_dos_filetime_resolution(SNUM(conn))) {
4212                 dos_filetime_timespec(&create_time_ts);
4213                 dos_filetime_timespec(&mtime_ts);
4214                 dos_filetime_timespec(&atime_ts);
4215                 dos_filetime_timespec(&ctime_ts);
4216         }
4217
4218         create_time = convert_timespec_to_time_t(create_time_ts);
4219         mtime = convert_timespec_to_time_t(mtime_ts);
4220         atime = convert_timespec_to_time_t(atime_ts);
4221         c_time = convert_timespec_to_time_t(ctime_ts);
4222
4223         p = strrchr_m(smb_fname->base_name,'/');
4224         if (!p)
4225                 base_name = smb_fname->base_name;
4226         else
4227                 base_name = p+1;
4228
4229         /* NT expects the name to be in an exact form of the *full*
4230            filename. See the trans2 torture test */
4231         if (ISDOT(base_name)) {
4232                 dos_fname = talloc_strdup(mem_ctx, "\\");
4233                 if (!dos_fname) {
4234                         return NT_STATUS_NO_MEMORY;
4235                 }
4236         } else {
4237                 dos_fname = talloc_asprintf(mem_ctx,
4238                                 "\\%s",
4239                                 smb_fname->base_name);
4240                 if (!dos_fname) {
4241                         return NT_STATUS_NO_MEMORY;
4242                 }
4243                 if (is_ntfs_stream_smb_fname(smb_fname)) {
4244                         dos_fname = talloc_asprintf(dos_fname, "%s",
4245                                                     smb_fname->stream_name);
4246                         if (!dos_fname) {
4247                                 return NT_STATUS_NO_MEMORY;
4248                         }
4249                 }
4250
4251                 string_replace(dos_fname, '/', '\\');
4252         }
4253
4254         allocation_size = SMB_VFS_GET_ALLOC_SIZE(conn, fsp, psbuf);
4255
4256         if (!fsp) {
4257                 /* Do we have this path open ? */
4258                 files_struct *fsp1;
4259                 struct file_id fileid = vfs_file_id_from_sbuf(conn, psbuf);
4260                 fsp1 = file_find_di_first(fileid);
4261                 if (fsp1 && fsp1->initial_allocation_size) {
4262                         allocation_size = SMB_VFS_GET_ALLOC_SIZE(conn, fsp1, psbuf);
4263                 }
4264         }
4265
4266         if (!(mode & aDIR)) {
4267                 file_size = get_file_size_stat(psbuf);
4268         }
4269
4270         if (fsp) {
4271                 pos = fsp->fh->position_information;
4272         }
4273
4274         if (fsp) {
4275                 access_mask = fsp->access_mask;
4276         } else {
4277                 /* GENERIC_EXECUTE mapping from Windows */
4278                 access_mask = 0x12019F;
4279         }
4280
4281         /* This should be an index number - looks like
4282            dev/ino to me :-)
4283
4284            I think this causes us to fail the IFSKIT
4285            BasicFileInformationTest. -tpot */
4286         file_index =  ((psbuf->st_ex_ino) & UINT32_MAX); /* FileIndexLow */
4287         file_index |= ((uint64_t)((psbuf->st_ex_dev) & UINT32_MAX)) << 32; /* FileIndexHigh */
4288
4289         switch (info_level) {
4290                 case SMB_INFO_STANDARD:
4291                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_INFO_STANDARD\n"));
4292                         data_size = 22;
4293                         srv_put_dos_date2(pdata,l1_fdateCreation,create_time);
4294                         srv_put_dos_date2(pdata,l1_fdateLastAccess,atime);
4295                         srv_put_dos_date2(pdata,l1_fdateLastWrite,mtime); /* write time */
4296                         SIVAL(pdata,l1_cbFile,(uint32)file_size);
4297                         SIVAL(pdata,l1_cbFileAlloc,(uint32)allocation_size);
4298                         SSVAL(pdata,l1_attrFile,mode);
4299                         break;
4300
4301                 case SMB_INFO_QUERY_EA_SIZE:
4302                 {
4303                         unsigned int ea_size =
4304                             estimate_ea_size(conn, fsp,
4305                                              smb_fname->base_name);
4306                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_INFO_QUERY_EA_SIZE\n"));
4307                         data_size = 26;
4308                         srv_put_dos_date2(pdata,0,create_time);
4309                         srv_put_dos_date2(pdata,4,atime);
4310                         srv_put_dos_date2(pdata,8,mtime); /* write time */
4311                         SIVAL(pdata,12,(uint32)file_size);
4312                         SIVAL(pdata,16,(uint32)allocation_size);
4313                         SSVAL(pdata,20,mode);
4314                         SIVAL(pdata,22,ea_size);
4315                         break;
4316                 }
4317
4318                 case SMB_INFO_IS_NAME_VALID:
4319                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_INFO_IS_NAME_VALID\n"));
4320                         if (fsp) {
4321                                 /* os/2 needs this ? really ?*/
4322                                 return NT_STATUS_DOS(ERRDOS, ERRbadfunc);
4323                         }
4324                         /* This is only reached for qpathinfo */
4325                         data_size = 0;
4326                         break;
4327
4328                 case SMB_INFO_QUERY_EAS_FROM_LIST:
4329                 {
4330                         size_t total_ea_len = 0;
4331                         struct ea_list *ea_file_list = NULL;
4332
4333                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_INFO_QUERY_EAS_FROM_LIST\n"));
4334
4335                         ea_file_list =
4336                             get_ea_list_from_file(mem_ctx, conn, fsp,
4337                                                   smb_fname->base_name,
4338                                                   &total_ea_len);
4339                         ea_list = ea_list_union(ea_list, ea_file_list, &total_ea_len);
4340
4341                         if (!ea_list || (total_ea_len > data_size)) {
4342                                 data_size = 4;
4343                                 SIVAL(pdata,0,4);   /* EA List Length must be set to 4 if no EA's. */
4344                                 break;
4345                         }
4346
4347                         data_size = fill_ea_buffer(mem_ctx, pdata, data_size, conn, ea_list);
4348                         break;
4349                 }
4350
4351                 case SMB_INFO_QUERY_ALL_EAS:
4352                 {
4353                         /* We have data_size bytes to put EA's into. */
4354                         size_t total_ea_len = 0;
4355
4356                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_INFO_QUERY_ALL_EAS\n"));
4357
4358                         ea_list = get_ea_list_from_file(mem_ctx, conn, fsp,
4359                                                         smb_fname->base_name,
4360                                                         &total_ea_len);
4361                         if (!ea_list || (total_ea_len > data_size)) {
4362                                 data_size = 4;
4363                                 SIVAL(pdata,0,4);   /* EA List Length must be set to 4 if no EA's. */
4364                                 break;
4365                         }
4366
4367                         data_size = fill_ea_buffer(mem_ctx, pdata, data_size, conn, ea_list);
4368                         break;
4369                 }
4370
4371                 case 0xFF0F:/*SMB2_INFO_QUERY_ALL_EAS*/
4372                 {
4373                         /* We have data_size bytes to put EA's into. */
4374                         size_t total_ea_len = 0;
4375                         struct ea_list *ea_file_list = NULL;
4376
4377                         DEBUG(10,("smbd_do_qfilepathinfo: SMB2_INFO_QUERY_ALL_EAS\n"));
4378
4379                         /*TODO: add filtering and index handling */
4380
4381                         ea_file_list =
4382                             get_ea_list_from_file(mem_ctx, conn, fsp,
4383                                                   smb_fname->base_name,
4384                                                   &total_ea_len);
4385                         if (!ea_file_list) {
4386                                 return NT_STATUS_NO_EAS_ON_FILE;
4387                         }
4388
4389                         status = fill_ea_chained_buffer(mem_ctx,
4390                                                         pdata,
4391                                                         data_size,
4392                                                         &data_size,
4393                                                         conn, ea_file_list);
4394                         if (!NT_STATUS_IS_OK(status)) {
4395                                 return status;
4396                         }
4397                         break;
4398                 }
4399
4400                 case SMB_FILE_BASIC_INFORMATION:
4401                 case SMB_QUERY_FILE_BASIC_INFO:
4402
4403                         if (info_level == SMB_QUERY_FILE_BASIC_INFO) {
4404                                 DEBUG(10,("smbd_do_qfilepathinfo: SMB_QUERY_FILE_BASIC_INFO\n"));
4405                                 data_size = 36; /* w95 returns 40 bytes not 36 - why ?. */
4406                         } else {
4407                                 DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_BASIC_INFORMATION\n"));
4408                                 data_size = 40;
4409                                 SIVAL(pdata,36,0);
4410                         }
4411                         put_long_date_timespec(pdata,create_time_ts);
4412                         put_long_date_timespec(pdata+8,atime_ts);
4413                         put_long_date_timespec(pdata+16,mtime_ts); /* write time */
4414                         put_long_date_timespec(pdata+24,ctime_ts); /* change time */
4415                         SIVAL(pdata,32,mode);
4416
4417                         DEBUG(5,("SMB_QFBI - "));
4418                         DEBUG(5,("create: %s ", ctime(&create_time)));
4419                         DEBUG(5,("access: %s ", ctime(&atime)));
4420                         DEBUG(5,("write: %s ", ctime(&mtime)));
4421                         DEBUG(5,("change: %s ", ctime(&c_time)));
4422                         DEBUG(5,("mode: %x\n", mode));
4423                         break;
4424
4425                 case SMB_FILE_STANDARD_INFORMATION:
4426                 case SMB_QUERY_FILE_STANDARD_INFO:
4427
4428                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_STANDARD_INFORMATION\n"));
4429                         data_size = 24;
4430                         SOFF_T(pdata,0,allocation_size);
4431                         SOFF_T(pdata,8,file_size);
4432                         SIVAL(pdata,16,nlink);
4433                         SCVAL(pdata,20,delete_pending?1:0);
4434                         SCVAL(pdata,21,(mode&aDIR)?1:0);
4435                         SSVAL(pdata,22,0); /* Padding. */
4436                         break;
4437
4438                 case SMB_FILE_EA_INFORMATION:
4439                 case SMB_QUERY_FILE_EA_INFO:
4440                 {
4441                         unsigned int ea_size =
4442                             estimate_ea_size(conn, fsp, smb_fname->base_name);
4443                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_EA_INFORMATION\n"));
4444                         data_size = 4;
4445                         SIVAL(pdata,0,ea_size);
4446                         break;
4447                 }
4448
4449                 /* Get the 8.3 name - used if NT SMB was negotiated. */
4450                 case SMB_QUERY_FILE_ALT_NAME_INFO:
4451                 case SMB_FILE_ALTERNATE_NAME_INFORMATION:
4452                 {
4453                         int len;
4454                         char mangled_name[13];
4455                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_ALTERNATE_NAME_INFORMATION\n"));
4456                         if (!name_to_8_3(base_name,mangled_name,
4457                                                 True,conn->params)) {
4458                                 return NT_STATUS_NO_MEMORY;
4459                         }
4460                         len = srvstr_push(dstart, flags2,
4461                                           pdata+4, mangled_name,
4462                                           PTR_DIFF(dend, pdata+4),
4463                                           STR_UNICODE);
4464                         data_size = 4 + len;
4465                         SIVAL(pdata,0,len);
4466                         break;
4467                 }
4468
4469                 case SMB_QUERY_FILE_NAME_INFO:
4470                 {
4471                         int len;
4472                         /*
4473                           this must be *exactly* right for ACLs on mapped drives to work
4474                          */
4475                         len = srvstr_push(dstart, flags2,
4476                                           pdata+4, dos_fname,
4477                                           PTR_DIFF(dend, pdata+4),
4478                                           STR_UNICODE);
4479                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_QUERY_FILE_NAME_INFO\n"));
4480                         data_size = 4 + len;
4481                         SIVAL(pdata,0,len);
4482                         break;
4483                 }
4484
4485                 case SMB_FILE_ALLOCATION_INFORMATION:
4486                 case SMB_QUERY_FILE_ALLOCATION_INFO:
4487                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_ALLOCATION_INFORMATION\n"));
4488                         data_size = 8;
4489                         SOFF_T(pdata,0,allocation_size);
4490                         break;
4491
4492                 case SMB_FILE_END_OF_FILE_INFORMATION:
4493                 case SMB_QUERY_FILE_END_OF_FILEINFO:
4494                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_END_OF_FILE_INFORMATION\n"));
4495                         data_size = 8;
4496                         SOFF_T(pdata,0,file_size);
4497                         break;
4498
4499                 case SMB_QUERY_FILE_ALL_INFO:
4500                 case SMB_FILE_ALL_INFORMATION:
4501                 {
4502                         int len;
4503                         unsigned int ea_size =
4504                             estimate_ea_size(conn, fsp, smb_fname->base_name);
4505                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_ALL_INFORMATION\n"));
4506                         put_long_date_timespec(pdata,create_time_ts);
4507                         put_long_date_timespec(pdata+8,atime_ts);
4508                         put_long_date_timespec(pdata+16,mtime_ts); /* write time */
4509                         put_long_date_timespec(pdata+24,ctime_ts); /* change time */
4510                         SIVAL(pdata,32,mode);
4511                         SIVAL(pdata,36,0); /* padding. */
4512                         pdata += 40;
4513                         SOFF_T(pdata,0,allocation_size);
4514                         SOFF_T(pdata,8,file_size);
4515                         SIVAL(pdata,16,nlink);
4516                         SCVAL(pdata,20,delete_pending);
4517                         SCVAL(pdata,21,(mode&aDIR)?1:0);
4518                         SSVAL(pdata,22,0);
4519                         pdata += 24;
4520                         SIVAL(pdata,0,ea_size);
4521                         pdata += 4; /* EA info */
4522                         len = srvstr_push(dstart, flags2,
4523                                           pdata+4, dos_fname,
4524                                           PTR_DIFF(dend, pdata+4),
4525                                           STR_UNICODE);
4526                         SIVAL(pdata,0,len);
4527                         pdata += 4 + len;
4528                         data_size = PTR_DIFF(pdata,(*ppdata));
4529                         break;
4530                 }
4531
4532                 case 0xFF12:/*SMB2_FILE_ALL_INFORMATION*/
4533                 {
4534                         int len;
4535                         unsigned int ea_size =
4536                             estimate_ea_size(conn, fsp, smb_fname->base_name);
4537                         DEBUG(10,("smbd_do_qfilepathinfo: SMB2_FILE_ALL_INFORMATION\n"));
4538                         put_long_date_timespec(pdata+0x00,create_time_ts);
4539                         put_long_date_timespec(pdata+0x08,atime_ts);
4540                         put_long_date_timespec(pdata+0x10,mtime_ts); /* write time */
4541                         put_long_date_timespec(pdata+0x18,ctime_ts); /* change time */
4542                         SIVAL(pdata,    0x20, mode);
4543                         SIVAL(pdata,    0x24, 0); /* padding. */
4544                         SBVAL(pdata,    0x28, allocation_size);
4545                         SBVAL(pdata,    0x30, file_size);
4546                         SIVAL(pdata,    0x38, nlink);
4547                         SCVAL(pdata,    0x3C, delete_pending);
4548                         SCVAL(pdata,    0x3D, (mode&aDIR)?1:0);
4549                         SSVAL(pdata,    0x3E, 0); /* padding */
4550                         SBVAL(pdata,    0x40, file_index);
4551                         SIVAL(pdata,    0x48, ea_size);
4552                         SIVAL(pdata,    0x4C, access_mask);
4553                         SBVAL(pdata,    0x50, pos);
4554                         SIVAL(pdata,    0x58, mode); /*TODO: mode != mode fix this!!! */
4555                         SIVAL(pdata,    0x5C, 0); /* No alignment needed. */
4556
4557                         pdata += 0x60;
4558
4559                         len = srvstr_push(dstart, flags2,
4560                                           pdata+4, dos_fname,
4561                                           PTR_DIFF(dend, pdata+4),
4562                                           STR_UNICODE);
4563                         SIVAL(pdata,0,len);
4564                         pdata += 4 + len;
4565                         data_size = PTR_DIFF(pdata,(*ppdata));
4566                         break;
4567                 }
4568                 case SMB_FILE_INTERNAL_INFORMATION:
4569
4570                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_INTERNAL_INFORMATION\n"));
4571                         SBVAL(pdata, 0, file_index);
4572                         data_size = 8;
4573                         break;
4574
4575                 case SMB_FILE_ACCESS_INFORMATION:
4576                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_ACCESS_INFORMATION\n"));
4577                         SIVAL(pdata, 0, access_mask);
4578                         data_size = 4;
4579                         break;
4580
4581                 case SMB_FILE_NAME_INFORMATION:
4582                         /* Pathname with leading '\'. */
4583                         {
4584                                 size_t byte_len;
4585                                 byte_len = dos_PutUniCode(pdata+4,dos_fname,(size_t)max_data_bytes,False);
4586                                 DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_NAME_INFORMATION\n"));
4587                                 SIVAL(pdata,0,byte_len);
4588                                 data_size = 4 + byte_len;
4589                                 break;
4590                         }
4591
4592                 case SMB_FILE_DISPOSITION_INFORMATION:
4593                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_DISPOSITION_INFORMATION\n"));
4594                         data_size = 1;
4595                         SCVAL(pdata,0,delete_pending);
4596                         break;
4597
4598                 case SMB_FILE_POSITION_INFORMATION:
4599                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_POSITION_INFORMATION\n"));
4600                         data_size = 8;
4601                         SOFF_T(pdata,0,pos);
4602                         break;
4603
4604                 case SMB_FILE_MODE_INFORMATION:
4605                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_MODE_INFORMATION\n"));
4606                         SIVAL(pdata,0,mode);
4607                         data_size = 4;
4608                         break;
4609
4610                 case SMB_FILE_ALIGNMENT_INFORMATION:
4611                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_ALIGNMENT_INFORMATION\n"));
4612                         SIVAL(pdata,0,0); /* No alignment needed. */
4613                         data_size = 4;
4614                         break;
4615
4616                 /*
4617                  * NT4 server just returns "invalid query" to this - if we try
4618                  * to answer it then NTws gets a BSOD! (tridge).  W2K seems to
4619                  * want this. JRA.
4620                  */
4621                 /* The first statement above is false - verified using Thursby
4622                  * client against NT4 -- gcolley.
4623                  */
4624                 case SMB_QUERY_FILE_STREAM_INFO:
4625                 case SMB_FILE_STREAM_INFORMATION: {
4626                         unsigned int num_streams;
4627                         struct stream_struct *streams;
4628
4629                         DEBUG(10,("smbd_do_qfilepathinfo: "
4630                                   "SMB_FILE_STREAM_INFORMATION\n"));
4631
4632                         if (is_ntfs_stream_smb_fname(smb_fname)) {
4633                                 return NT_STATUS_INVALID_PARAMETER;
4634                         }
4635
4636                         status = SMB_VFS_STREAMINFO(
4637                                 conn, fsp, smb_fname->base_name, talloc_tos(),
4638                                 &num_streams, &streams);
4639
4640                         if (!NT_STATUS_IS_OK(status)) {
4641                                 DEBUG(10, ("could not get stream info: %s\n",
4642                                            nt_errstr(status)));
4643                                 return status;
4644                         }
4645
4646                         status = marshall_stream_info(num_streams, streams,
4647                                                       pdata, max_data_bytes,
4648                                                       &data_size);
4649
4650                         if (!NT_STATUS_IS_OK(status)) {
4651                                 DEBUG(10, ("marshall_stream_info failed: %s\n",
4652                                            nt_errstr(status)));
4653                                 return status;
4654                         }
4655
4656                         TALLOC_FREE(streams);
4657
4658                         break;
4659                 }
4660                 case SMB_QUERY_COMPRESSION_INFO:
4661                 case SMB_FILE_COMPRESSION_INFORMATION:
4662                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_COMPRESSION_INFORMATION\n"));
4663                         SOFF_T(pdata,0,file_size);
4664                         SIVAL(pdata,8,0); /* ??? */
4665                         SIVAL(pdata,12,0); /* ??? */
4666                         data_size = 16;
4667                         break;
4668
4669                 case SMB_FILE_NETWORK_OPEN_INFORMATION:
4670                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_NETWORK_OPEN_INFORMATION\n"));
4671                         put_long_date_timespec(pdata,create_time_ts);
4672                         put_long_date_timespec(pdata+8,atime_ts);
4673                         put_long_date_timespec(pdata+16,mtime_ts); /* write time */
4674                         put_long_date_timespec(pdata+24,ctime_ts); /* change time */
4675                         SOFF_T(pdata,32,allocation_size);
4676                         SOFF_T(pdata,40,file_size);
4677                         SIVAL(pdata,48,mode);
4678                         SIVAL(pdata,52,0); /* ??? */
4679                         data_size = 56;
4680                         break;
4681
4682                 case SMB_FILE_ATTRIBUTE_TAG_INFORMATION:
4683                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_ATTRIBUTE_TAG_INFORMATION\n"));
4684                         SIVAL(pdata,0,mode);
4685                         SIVAL(pdata,4,0);
4686                         data_size = 8;
4687                         break;
4688
4689                 /*
4690                  * CIFS UNIX Extensions.
4691                  */
4692
4693                 case SMB_QUERY_FILE_UNIX_BASIC:
4694
4695                         pdata = store_file_unix_basic(conn, pdata, fsp, psbuf);
4696                         data_size = PTR_DIFF(pdata,(*ppdata));
4697
4698                         {
4699                                 int i;
4700                                 DEBUG(4,("smbd_do_qfilepathinfo: SMB_QUERY_FILE_UNIX_BASIC "));
4701
4702                                 for (i=0; i<100; i++)
4703                                         DEBUG(4,("%d=%x, ",i, (*ppdata)[i]));
4704                                 DEBUG(4,("\n"));
4705                         }
4706
4707                         break;
4708
4709                 case SMB_QUERY_FILE_UNIX_INFO2:
4710
4711                         pdata = store_file_unix_basic_info2(conn, pdata, fsp, psbuf);
4712                         data_size = PTR_DIFF(pdata,(*ppdata));
4713
4714                         {
4715                                 int i;
4716                                 DEBUG(4,("smbd_do_qfilepathinfo: SMB_QUERY_FILE_UNIX_INFO2 "));
4717
4718                                 for (i=0; i<100; i++)
4719                                         DEBUG(4,("%d=%x, ",i, (*ppdata)[i]));
4720                                 DEBUG(4,("\n"));
4721                         }
4722
4723                         break;
4724
4725                 case SMB_QUERY_FILE_UNIX_LINK:
4726                         {
4727                                 int len;
4728                                 char *buffer = TALLOC_ARRAY(mem_ctx, char, PATH_MAX+1);
4729
4730                                 if (!buffer) {
4731                                         return NT_STATUS_NO_MEMORY;
4732                                 }
4733
4734                                 DEBUG(10,("smbd_do_qfilepathinfo: SMB_QUERY_FILE_UNIX_LINK\n"));
4735 #ifdef S_ISLNK
4736                                 if(!S_ISLNK(psbuf->st_ex_mode)) {
4737                                         return NT_STATUS_DOS(ERRSRV, ERRbadlink);
4738                                 }
4739 #else
4740                                 return NT_STATUS_DOS(ERRDOS, ERRbadlink);
4741 #endif
4742                                 len = SMB_VFS_READLINK(conn,
4743                                                        smb_fname->base_name,
4744                                                        buffer, PATH_MAX);
4745                                 if (len == -1) {
4746                                         return map_nt_error_from_unix(errno);
4747                                 }
4748                                 buffer[len] = 0;
4749                                 len = srvstr_push(dstart, flags2,
4750                                                   pdata, buffer,
4751                                                   PTR_DIFF(dend, pdata),
4752                                                   STR_TERMINATE);
4753                                 pdata += len;
4754                                 data_size = PTR_DIFF(pdata,(*ppdata));
4755
4756                                 break;
4757                         }
4758
4759 #if defined(HAVE_POSIX_ACLS)
4760                 case SMB_QUERY_POSIX_ACL:
4761                         {
4762                                 SMB_ACL_T file_acl = NULL;
4763                                 SMB_ACL_T def_acl = NULL;
4764                                 uint16 num_file_acls = 0;
4765                                 uint16 num_def_acls = 0;
4766
4767                                 if (fsp && !fsp->is_directory && (fsp->fh->fd != -1)) {
4768                                         file_acl = SMB_VFS_SYS_ACL_GET_FD(fsp);
4769                                 } else {
4770                                         file_acl =
4771                                             SMB_VFS_SYS_ACL_GET_FILE(conn,
4772                                                 smb_fname->base_name,
4773                                                 SMB_ACL_TYPE_ACCESS);
4774                                 }
4775
4776                                 if (file_acl == NULL && no_acl_syscall_error(errno)) {
4777                                         DEBUG(5,("smbd_do_qfilepathinfo: ACLs "
4778                                                  "not implemented on "
4779                                                  "filesystem containing %s\n",
4780                                                  smb_fname->base_name));
4781                                         return NT_STATUS_NOT_IMPLEMENTED;
4782                                 }
4783
4784                                 if (S_ISDIR(psbuf->st_ex_mode)) {
4785                                         if (fsp && fsp->is_directory) {
4786                                                 def_acl =
4787                                                     SMB_VFS_SYS_ACL_GET_FILE(
4788                                                             conn,
4789                                                             fsp->fsp_name->base_name,
4790                                                             SMB_ACL_TYPE_DEFAULT);
4791                                         } else {
4792                                                 def_acl =
4793                                                     SMB_VFS_SYS_ACL_GET_FILE(
4794                                                             conn,
4795                                                             smb_fname->base_name,
4796                                                             SMB_ACL_TYPE_DEFAULT);
4797                                         }
4798                                         def_acl = free_empty_sys_acl(conn, def_acl);
4799                                 }
4800
4801                                 num_file_acls = count_acl_entries(conn, file_acl);
4802                                 num_def_acls = count_acl_entries(conn, def_acl);
4803
4804                                 if ( data_size < (num_file_acls + num_def_acls)*SMB_POSIX_ACL_ENTRY_SIZE + SMB_POSIX_ACL_HEADER_SIZE) {
4805                                         DEBUG(5,("smbd_do_qfilepathinfo: data_size too small (%u) need %u\n",
4806                                                 data_size,
4807                                                 (unsigned int)((num_file_acls + num_def_acls)*SMB_POSIX_ACL_ENTRY_SIZE +
4808                                                         SMB_POSIX_ACL_HEADER_SIZE) ));
4809                                         if (file_acl) {
4810                                                 SMB_VFS_SYS_ACL_FREE_ACL(conn, file_acl);
4811                                         }
4812                                         if (def_acl) {
4813                                                 SMB_VFS_SYS_ACL_FREE_ACL(conn, def_acl);
4814                                         }
4815                                         return NT_STATUS_BUFFER_TOO_SMALL;
4816                                 }
4817
4818                                 SSVAL(pdata,0,SMB_POSIX_ACL_VERSION);
4819                                 SSVAL(pdata,2,num_file_acls);
4820                                 SSVAL(pdata,4,num_def_acls);
4821                                 if (!marshall_posix_acl(conn, pdata + SMB_POSIX_ACL_HEADER_SIZE, psbuf, file_acl)) {
4822                                         if (file_acl) {
4823                                                 SMB_VFS_SYS_ACL_FREE_ACL(conn, file_acl);
4824                                         }
4825                                         if (def_acl) {
4826                                                 SMB_VFS_SYS_ACL_FREE_ACL(conn, def_acl);
4827                                         }
4828                                         return NT_STATUS_INTERNAL_ERROR;
4829                                 }
4830                                 if (!marshall_posix_acl(conn, pdata + SMB_POSIX_ACL_HEADER_SIZE + (num_file_acls*SMB_POSIX_ACL_ENTRY_SIZE), psbuf, def_acl)) {
4831                                         if (file_acl) {
4832                                                 SMB_VFS_SYS_ACL_FREE_ACL(conn, file_acl);
4833                                         }
4834                                         if (def_acl) {
4835                                                 SMB_VFS_SYS_ACL_FREE_ACL(conn, def_acl);
4836                                         }
4837                                         return NT_STATUS_INTERNAL_ERROR;
4838                                 }
4839
4840                                 if (file_acl) {
4841                                         SMB_VFS_SYS_ACL_FREE_ACL(conn, file_acl);
4842                                 }
4843                                 if (def_acl) {
4844                                         SMB_VFS_SYS_ACL_FREE_ACL(conn, def_acl);
4845                                 }
4846                                 data_size = (num_file_acls + num_def_acls)*SMB_POSIX_ACL_ENTRY_SIZE + SMB_POSIX_ACL_HEADER_SIZE;
4847                                 break;
4848                         }
4849 #endif
4850
4851
4852                 case SMB_QUERY_POSIX_LOCK:
4853                 {
4854                         uint64_t count;
4855                         uint64_t offset;
4856                         uint32 lock_pid;
4857                         enum brl_type lock_type;
4858
4859                         /* We need an open file with a real fd for this. */
4860                         if (!fsp || fsp->is_directory || fsp->fh->fd == -1) {
4861                                 return NT_STATUS_INVALID_LEVEL;
4862                         }
4863
4864                         if (lock_data_count != POSIX_LOCK_DATA_SIZE) {
4865                                 return NT_STATUS_INVALID_PARAMETER;
4866                         }
4867
4868                         switch (SVAL(pdata, POSIX_LOCK_TYPE_OFFSET)) {
4869                                 case POSIX_LOCK_TYPE_READ:
4870                                         lock_type = READ_LOCK;
4871                                         break;
4872                                 case POSIX_LOCK_TYPE_WRITE:
4873                                         lock_type = WRITE_LOCK;
4874                                         break;
4875                                 case POSIX_LOCK_TYPE_UNLOCK:
4876                                 default:
4877                                         /* There's no point in asking for an unlock... */
4878                                         return NT_STATUS_INVALID_PARAMETER;
4879                         }
4880
4881                         lock_pid = IVAL(pdata, POSIX_LOCK_PID_OFFSET);
4882 #if defined(HAVE_LONGLONG)
4883                         offset = (((uint64_t) IVAL(pdata,(POSIX_LOCK_START_OFFSET+4))) << 32) |
4884                                         ((uint64_t) IVAL(pdata,POSIX_LOCK_START_OFFSET));
4885                         count = (((uint64_t) IVAL(pdata,(POSIX_LOCK_LEN_OFFSET+4))) << 32) |
4886                                         ((uint64_t) IVAL(pdata,POSIX_LOCK_LEN_OFFSET));
4887 #else /* HAVE_LONGLONG */
4888                         offset = (uint64_t)IVAL(pdata,POSIX_LOCK_START_OFFSET);
4889                         count = (uint64_t)IVAL(pdata,POSIX_LOCK_LEN_OFFSET);
4890 #endif /* HAVE_LONGLONG */
4891
4892                         status = query_lock(fsp,
4893                                         &lock_pid,
4894                                         &count,
4895                                         &offset,
4896                                         &lock_type,
4897                                         POSIX_LOCK);
4898
4899                         if (ERROR_WAS_LOCK_DENIED(status)) {
4900                                 /* Here we need to report who has it locked... */
4901                                 data_size = POSIX_LOCK_DATA_SIZE;
4902
4903                                 SSVAL(pdata, POSIX_LOCK_TYPE_OFFSET, lock_type);
4904                                 SSVAL(pdata, POSIX_LOCK_FLAGS_OFFSET, 0);
4905                                 SIVAL(pdata, POSIX_LOCK_PID_OFFSET, lock_pid);
4906 #if defined(HAVE_LONGLONG)
4907                                 SIVAL(pdata, POSIX_LOCK_START_OFFSET, (uint32)(offset & 0xFFFFFFFF));
4908                                 SIVAL(pdata, POSIX_LOCK_START_OFFSET + 4, (uint32)((offset >> 32) & 0xFFFFFFFF));
4909                                 SIVAL(pdata, POSIX_LOCK_LEN_OFFSET, (uint32)(count & 0xFFFFFFFF));
4910                                 SIVAL(pdata, POSIX_LOCK_LEN_OFFSET + 4, (uint32)((count >> 32) & 0xFFFFFFFF));
4911 #else /* HAVE_LONGLONG */
4912                                 SIVAL(pdata, POSIX_LOCK_START_OFFSET, offset);
4913                                 SIVAL(pdata, POSIX_LOCK_LEN_OFFSET, count);
4914 #endif /* HAVE_LONGLONG */
4915
4916                         } else if (NT_STATUS_IS_OK(status)) {
4917                                 /* For success we just return a copy of what we sent
4918                                    with the lock type set to POSIX_LOCK_TYPE_UNLOCK. */
4919                                 data_size = POSIX_LOCK_DATA_SIZE;
4920                                 memcpy(pdata, lock_data, POSIX_LOCK_DATA_SIZE);
4921                                 SSVAL(pdata, POSIX_LOCK_TYPE_OFFSET, POSIX_LOCK_TYPE_UNLOCK);
4922                         } else {
4923                                 return status;
4924                         }
4925                         break;
4926                 }
4927
4928                 default:
4929                         return NT_STATUS_INVALID_LEVEL;
4930         }
4931
4932         *pdata_size = data_size;
4933         return NT_STATUS_OK;
4934 }
4935
4936 /****************************************************************************
4937  Reply to a TRANS2_QFILEPATHINFO or TRANSACT2_QFILEINFO (query file info by
4938  file name or file id).
4939 ****************************************************************************/
4940
4941 static void call_trans2qfilepathinfo(connection_struct *conn,
4942                                      struct smb_request *req,
4943                                      unsigned int tran_call,
4944                                      char **pparams, int total_params,
4945                                      char **ppdata, int total_data,
4946                                      unsigned int max_data_bytes)
4947 {
4948         char *params = *pparams;
4949         char *pdata = *ppdata;
4950         uint16 info_level;
4951         unsigned int data_size = 0;
4952         unsigned int param_size = 2;
4953         struct smb_filename *smb_fname = NULL;
4954         bool delete_pending = False;
4955         struct timespec write_time_ts;
4956         files_struct *fsp = NULL;
4957         struct file_id fileid;
4958         struct ea_list *ea_list = NULL;
4959         int lock_data_count = 0;
4960         char *lock_data = NULL;
4961         bool ms_dfs_link = false;
4962         NTSTATUS status = NT_STATUS_OK;
4963
4964         if (!params) {
4965                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4966                 return;
4967         }
4968
4969         ZERO_STRUCT(write_time_ts);
4970
4971         if (tran_call == TRANSACT2_QFILEINFO) {
4972                 if (total_params < 4) {
4973                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4974                         return;
4975                 }
4976
4977                 if (IS_IPC(conn)) {
4978                         call_trans2qpipeinfo(conn, req, tran_call,
4979                                              pparams, total_params,
4980                                              ppdata, total_data,
4981                                              max_data_bytes);
4982                         return;
4983                 }
4984
4985                 fsp = file_fsp(req, SVAL(params,0));
4986                 info_level = SVAL(params,2);
4987
4988                 DEBUG(3,("call_trans2qfilepathinfo: TRANSACT2_QFILEINFO: level = %d\n", info_level));
4989
4990                 if (INFO_LEVEL_IS_UNIX(info_level) && !lp_unix_extensions()) {
4991                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
4992                         return;
4993                 }
4994
4995                 /* Initial check for valid fsp ptr. */
4996                 if (!check_fsp_open(conn, req, fsp)) {
4997                         return;
4998                 }
4999
5000                 status = copy_smb_filename(talloc_tos(), fsp->fsp_name,
5001                                            &smb_fname);
5002                 if (!NT_STATUS_IS_OK(status)) {
5003                         reply_nterror(req, status);
5004                         return;
5005                 }
5006
5007                 if(fsp->fake_file_handle) {
5008                         /*
5009                          * This is actually for the QUOTA_FAKE_FILE --metze
5010                          */
5011
5012                         /* We know this name is ok, it's already passed the checks. */
5013
5014                 } else if(fsp->is_directory || fsp->fh->fd == -1) {
5015                         /*
5016                          * This is actually a QFILEINFO on a directory
5017                          * handle (returned from an NT SMB). NT5.0 seems
5018                          * to do this call. JRA.
5019                          */
5020
5021                         if (INFO_LEVEL_IS_UNIX(info_level)) {
5022                                 /* Always do lstat for UNIX calls. */
5023                                 if (SMB_VFS_LSTAT(conn, smb_fname)) {
5024                                         DEBUG(3,("call_trans2qfilepathinfo: "
5025                                                  "SMB_VFS_LSTAT of %s failed "
5026                                                  "(%s)\n",
5027                                                  smb_fname_str_dbg(smb_fname),
5028                                                  strerror(errno)));
5029                                         reply_nterror(req,
5030                                                 map_nt_error_from_unix(errno));
5031                                         return;
5032                                 }
5033                         } else if (SMB_VFS_STAT(conn, smb_fname)) {
5034                                 DEBUG(3,("call_trans2qfilepathinfo: "
5035                                          "SMB_VFS_STAT of %s failed (%s)\n",
5036                                          smb_fname_str_dbg(smb_fname),
5037                                          strerror(errno)));
5038                                 reply_nterror(req,
5039                                         map_nt_error_from_unix(errno));
5040                                 return;
5041                         }
5042
5043                         fileid = vfs_file_id_from_sbuf(conn, &smb_fname->st);
5044                         get_file_infos(fileid, &delete_pending, &write_time_ts);
5045                 } else {
5046                         /*
5047                          * Original code - this is an open file.
5048                          */
5049                         if (!check_fsp(conn, req, fsp)) {
5050                                 return;
5051                         }
5052
5053                         if (SMB_VFS_FSTAT(fsp, &smb_fname->st) != 0) {
5054                                 DEBUG(3, ("fstat of fnum %d failed (%s)\n",
5055                                           fsp->fnum, strerror(errno)));
5056                                 reply_nterror(req,
5057                                         map_nt_error_from_unix(errno));
5058                                 return;
5059                         }
5060                         fileid = vfs_file_id_from_sbuf(conn, &smb_fname->st);
5061                         get_file_infos(fileid, &delete_pending, &write_time_ts);
5062                 }
5063
5064         } else {
5065                 char *fname = NULL;
5066
5067                 /* qpathinfo */
5068                 if (total_params < 7) {
5069                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
5070                         return;
5071                 }
5072
5073                 info_level = SVAL(params,0);
5074
5075                 DEBUG(3,("call_trans2qfilepathinfo: TRANSACT2_QPATHINFO: level = %d\n", info_level));
5076
5077                 if (INFO_LEVEL_IS_UNIX(info_level) && !lp_unix_extensions()) {
5078                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
5079                         return;
5080                 }
5081
5082                 srvstr_get_path(req, params, req->flags2, &fname, &params[6],
5083                                 total_params - 6,
5084                                 STR_TERMINATE, &status);
5085                 if (!NT_STATUS_IS_OK(status)) {
5086                         reply_nterror(req, status);
5087                         return;
5088                 }
5089
5090                 status = filename_convert(req,
5091                                         conn,
5092                                         req->flags2 & FLAGS2_DFS_PATHNAMES,
5093                                         fname,
5094                                         0,
5095                                         NULL,
5096                                         &smb_fname);
5097                 if (!NT_STATUS_IS_OK(status)) {
5098                         if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
5099                                 reply_botherror(req,
5100                                                 NT_STATUS_PATH_NOT_COVERED,
5101                                                 ERRSRV, ERRbadpath);
5102                                 return;
5103                         }
5104                         reply_nterror(req, status);
5105                         return;
5106                 }
5107
5108                 /* If this is a stream, check if there is a delete_pending. */
5109                 if ((conn->fs_capabilities & FILE_NAMED_STREAMS)
5110                     && is_ntfs_stream_smb_fname(smb_fname)) {
5111                         struct smb_filename *smb_fname_base = NULL;
5112
5113                         /* Create an smb_filename with stream_name == NULL. */
5114                         status =
5115                             create_synthetic_smb_fname(talloc_tos(),
5116                                                        smb_fname->base_name,
5117                                                        NULL, NULL,
5118                                                        &smb_fname_base);
5119                         if (!NT_STATUS_IS_OK(status)) {
5120                                 reply_nterror(req, status);
5121                                 return;
5122                         }
5123
5124                         if (INFO_LEVEL_IS_UNIX(info_level)) {
5125                                 /* Always do lstat for UNIX calls. */
5126                                 if (SMB_VFS_LSTAT(conn, smb_fname_base) != 0) {
5127                                         DEBUG(3,("call_trans2qfilepathinfo: "
5128                                                  "SMB_VFS_LSTAT of %s failed "
5129                                                  "(%s)\n",
5130                                                  smb_fname_str_dbg(smb_fname_base),
5131                                                  strerror(errno)));
5132                                         TALLOC_FREE(smb_fname_base);
5133                                         reply_nterror(req,
5134                                                 map_nt_error_from_unix(errno));
5135                                         return;
5136                                 }
5137                         } else {
5138                                 if (SMB_VFS_STAT(conn, smb_fname_base) != 0) {
5139                                         DEBUG(3,("call_trans2qfilepathinfo: "
5140                                                  "fileinfo of %s failed "
5141                                                  "(%s)\n",
5142                                                  smb_fname_str_dbg(smb_fname_base),
5143                                                  strerror(errno)));
5144                                         TALLOC_FREE(smb_fname_base);
5145                                         reply_nterror(req,
5146                                                 map_nt_error_from_unix(errno));
5147                                         return;
5148                                 }
5149                         }
5150
5151                         fileid = vfs_file_id_from_sbuf(conn,
5152                                                        &smb_fname_base->st);
5153                         TALLOC_FREE(smb_fname_base);
5154                         get_file_infos(fileid, &delete_pending, NULL);
5155                         if (delete_pending) {
5156                                 reply_nterror(req, NT_STATUS_DELETE_PENDING);
5157                                 return;
5158                         }
5159                 }
5160
5161                 if (INFO_LEVEL_IS_UNIX(info_level)) {
5162                         /* Always do lstat for UNIX calls. */
5163                         if (SMB_VFS_LSTAT(conn, smb_fname)) {
5164                                 DEBUG(3,("call_trans2qfilepathinfo: "
5165                                          "SMB_VFS_LSTAT of %s failed (%s)\n",
5166                                          smb_fname_str_dbg(smb_fname),
5167                                          strerror(errno)));
5168                                 reply_nterror(req,
5169                                         map_nt_error_from_unix(errno));
5170                                 return;
5171                         }
5172
5173                 } else if (!VALID_STAT(smb_fname->st) &&
5174                            SMB_VFS_STAT(conn, smb_fname) &&
5175                            (info_level != SMB_INFO_IS_NAME_VALID)) {
5176                         ms_dfs_link = check_msdfs_link(conn,
5177                                                        smb_fname->base_name,
5178                                                        &smb_fname->st);
5179
5180                         if (!ms_dfs_link) {
5181                                 DEBUG(3,("call_trans2qfilepathinfo: "
5182                                          "SMB_VFS_STAT of %s failed (%s)\n",
5183                                          smb_fname_str_dbg(smb_fname),
5184                                          strerror(errno)));
5185                                 reply_nterror(req,
5186                                         map_nt_error_from_unix(errno));
5187                                 return;
5188                         }
5189                 }
5190
5191                 fileid = vfs_file_id_from_sbuf(conn, &smb_fname->st);
5192                 get_file_infos(fileid, &delete_pending, &write_time_ts);
5193                 if (delete_pending) {
5194                         reply_nterror(req, NT_STATUS_DELETE_PENDING);
5195                         return;
5196                 }
5197         }
5198
5199         DEBUG(3,("call_trans2qfilepathinfo %s (fnum = %d) level=%d call=%d "
5200                  "total_data=%d\n", smb_fname_str_dbg(smb_fname),
5201                  fsp ? fsp->fnum : -1, info_level,tran_call,total_data));
5202
5203         /* Pull out any data sent here before we realloc. */
5204         switch (info_level) {
5205                 case SMB_INFO_QUERY_EAS_FROM_LIST:
5206                 {
5207                         /* Pull any EA list from the data portion. */
5208                         uint32 ea_size;
5209
5210                         if (total_data < 4) {
5211                                 reply_nterror(
5212                                         req, NT_STATUS_INVALID_PARAMETER);
5213                                 return;
5214                         }
5215                         ea_size = IVAL(pdata,0);
5216
5217                         if (total_data > 0 && ea_size != total_data) {
5218                                 DEBUG(4,("call_trans2qfilepathinfo: Rejecting EA request with incorrect \
5219 total_data=%u (should be %u)\n", (unsigned int)total_data, (unsigned int)IVAL(pdata,0) ));
5220                                 reply_nterror(
5221                                         req, NT_STATUS_INVALID_PARAMETER);
5222                                 return;
5223                         }
5224
5225                         if (!lp_ea_support(SNUM(conn))) {
5226                                 reply_doserror(req, ERRDOS,
5227                                                ERReasnotsupported);
5228                                 return;
5229                         }
5230
5231                         /* Pull out the list of names. */
5232                         ea_list = read_ea_name_list(req, pdata + 4, ea_size - 4);
5233                         if (!ea_list) {
5234                                 reply_nterror(
5235                                         req, NT_STATUS_INVALID_PARAMETER);
5236                                 return;
5237                         }
5238                         break;
5239                 }
5240
5241                 case SMB_QUERY_POSIX_LOCK:
5242                 {
5243                         if (fsp == NULL || fsp->fh->fd == -1) {
5244                                 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
5245                                 return;
5246                         }
5247
5248                         if (total_data != POSIX_LOCK_DATA_SIZE) {
5249                                 reply_nterror(
5250                                         req, NT_STATUS_INVALID_PARAMETER);
5251                                 return;
5252                         }
5253
5254                         /* Copy the lock range data. */
5255                         lock_data = (char *)TALLOC_MEMDUP(
5256                                 req, pdata, total_data);
5257                         if (!lock_data) {
5258                                 reply_nterror(req, NT_STATUS_NO_MEMORY);
5259                                 return;
5260                         }
5261                         lock_data_count = total_data;
5262                 }
5263                 default:
5264                         break;
5265         }
5266
5267         *pparams = (char *)SMB_REALLOC(*pparams,2);
5268         if (*pparams == NULL) {
5269                 reply_nterror(req, NT_STATUS_NO_MEMORY);
5270                 return;
5271         }
5272         params = *pparams;
5273         SSVAL(params,0,0);
5274
5275         /*
5276          * draft-leach-cifs-v1-spec-02.txt
5277          * 4.2.14 TRANS2_QUERY_PATH_INFORMATION: Get File Attributes given Path
5278          * says:
5279          *
5280          *  The requested information is placed in the Data portion of the
5281          *  transaction response. For the information levels greater than 0x100,
5282          *  the transaction response has 1 parameter word which should be
5283          *  ignored by the client.
5284          *
5285          * However Windows only follows this rule for the IS_NAME_VALID call.
5286          */
5287         switch (info_level) {
5288         case SMB_INFO_IS_NAME_VALID:
5289                 param_size = 0;
5290                 break;
5291         }
5292
5293         if ((info_level & 0xFF00) == 0xFF00) {
5294                 /*
5295                  * We use levels that start with 0xFF00
5296                  * internally to represent SMB2 specific levels
5297                  */
5298                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
5299                 return;
5300         }
5301
5302         status = smbd_do_qfilepathinfo(conn, req, info_level,
5303                                        fsp, smb_fname,
5304                                        delete_pending, write_time_ts,
5305                                        ms_dfs_link, ea_list,
5306                                        lock_data_count, lock_data,
5307                                        req->flags2, max_data_bytes,
5308                                        ppdata, &data_size);
5309         if (!NT_STATUS_IS_OK(status)) {
5310                 reply_nterror(req, status);
5311                 return;
5312         }
5313
5314         send_trans2_replies(conn, req, params, param_size, *ppdata, data_size,
5315                             max_data_bytes);
5316
5317         return;
5318 }
5319
5320 /****************************************************************************
5321  Set a hard link (called by UNIX extensions and by NT rename with HARD link
5322  code.
5323 ****************************************************************************/
5324
5325 NTSTATUS hardlink_internals(TALLOC_CTX *ctx,
5326                 connection_struct *conn,
5327                 const struct smb_filename *smb_fname_old,
5328                 const struct smb_filename *smb_fname_new)
5329 {
5330         NTSTATUS status = NT_STATUS_OK;
5331
5332         /* source must already exist. */
5333         if (!VALID_STAT(smb_fname_old->st)) {
5334                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
5335         }
5336
5337         /* Disallow if newname already exists. */
5338         if (VALID_STAT(smb_fname_new->st)) {
5339                 return NT_STATUS_OBJECT_NAME_COLLISION;
5340         }
5341
5342         /* No links from a directory. */
5343         if (S_ISDIR(smb_fname_old->st.st_ex_mode)) {
5344                 return NT_STATUS_FILE_IS_A_DIRECTORY;
5345         }
5346
5347         /* Setting a hardlink to/from a stream isn't currently supported. */
5348         if (is_ntfs_stream_smb_fname(smb_fname_old) ||
5349             is_ntfs_stream_smb_fname(smb_fname_new)) {
5350                 return NT_STATUS_INVALID_PARAMETER;
5351         }
5352
5353         DEBUG(10,("hardlink_internals: doing hard link %s -> %s\n",
5354                   smb_fname_old->base_name, smb_fname_new->base_name));
5355
5356         if (SMB_VFS_LINK(conn, smb_fname_old->base_name,
5357                          smb_fname_new->base_name) != 0) {
5358                 status = map_nt_error_from_unix(errno);
5359                 DEBUG(3,("hardlink_internals: Error %s hard link %s -> %s\n",
5360                          nt_errstr(status), smb_fname_old->base_name,
5361                          smb_fname_new->base_name));
5362         }
5363         return status;
5364 }
5365
5366 /****************************************************************************
5367  Deal with setting the time from any of the setfilepathinfo functions.
5368 ****************************************************************************/
5369
5370 NTSTATUS smb_set_file_time(connection_struct *conn,
5371                            files_struct *fsp,
5372                            const struct smb_filename *smb_fname,
5373                            struct smb_file_time *ft,
5374                            bool setting_write_time)
5375 {
5376         struct smb_filename *smb_fname_base = NULL;
5377         uint32 action =
5378                 FILE_NOTIFY_CHANGE_LAST_ACCESS
5379                 |FILE_NOTIFY_CHANGE_LAST_WRITE
5380                 |FILE_NOTIFY_CHANGE_CREATION;
5381         NTSTATUS status;
5382
5383         if (!VALID_STAT(smb_fname->st)) {
5384                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
5385         }
5386
5387         /* get some defaults (no modifications) if any info is zero or -1. */
5388         if (null_timespec(ft->create_time)) {
5389                 action &= ~FILE_NOTIFY_CHANGE_CREATION;
5390         }
5391
5392         if (null_timespec(ft->atime)) {
5393                 action &= ~FILE_NOTIFY_CHANGE_LAST_ACCESS;
5394         }
5395
5396         if (null_timespec(ft->mtime)) {
5397                 action &= ~FILE_NOTIFY_CHANGE_LAST_WRITE;
5398         }
5399
5400         if (!setting_write_time) {
5401                 /* ft->mtime comes from change time, not write time. */
5402                 action &= ~FILE_NOTIFY_CHANGE_LAST_WRITE;
5403         }
5404
5405         if (!conn->hires_timestamps_avail) {
5406                 /* We can't store sub second timestamps
5407                  * on this share. Round to seconds. */
5408                 round_timespec(&ft->create_time);
5409                 round_timespec(&ft->ctime);
5410                 round_timespec(&ft->atime);
5411                 round_timespec(&ft->mtime);
5412         } else {
5413                 /* The highest resolution timestamp
5414                  * setting function available in POSIX
5415                  * is utimes(), which uses usec resolution,
5416                  * not nsec resolution. So we must round to
5417                  * usec, then back to nsec. JRA.
5418                  */
5419                 round_timespec_to_usec(&ft->create_time);
5420                 round_timespec_to_usec(&ft->ctime);
5421                 round_timespec_to_usec(&ft->atime);
5422                 round_timespec_to_usec(&ft->mtime);
5423         }
5424
5425         DEBUG(5,("smb_set_filetime: actime: %s\n ",
5426                 time_to_asc(convert_timespec_to_time_t(ft->atime))));
5427         DEBUG(5,("smb_set_filetime: modtime: %s\n ",
5428                 time_to_asc(convert_timespec_to_time_t(ft->mtime))));
5429         DEBUG(5,("smb_set_filetime: ctime: %s\n ",
5430                 time_to_asc(convert_timespec_to_time_t(ft->ctime))));
5431         DEBUG(5,("smb_set_file_time: createtime: %s\n ",
5432                 time_to_asc(convert_timespec_to_time_t(ft->create_time))));
5433
5434         if (setting_write_time) {
5435                 /*
5436                  * This was a Windows setfileinfo on an open file.
5437                  * NT does this a lot. We also need to
5438                  * set the time here, as it can be read by
5439                  * FindFirst/FindNext and with the patch for bug #2045
5440                  * in smbd/fileio.c it ensures that this timestamp is
5441                  * kept sticky even after a write. We save the request
5442                  * away and will set it on file close and after a write. JRA.
5443                  */
5444
5445                 DEBUG(10,("smb_set_file_time: setting pending modtime to %s\n",
5446                           time_to_asc(convert_timespec_to_time_t(ft->mtime))));
5447
5448                 if (fsp != NULL) {
5449                         if (fsp->base_fsp) {
5450                                 set_sticky_write_time_fsp(fsp->base_fsp,
5451                                                           ft->mtime);
5452                         } else {
5453                                 set_sticky_write_time_fsp(fsp, ft->mtime);
5454                         }
5455                 } else {
5456                         set_sticky_write_time_path(
5457                                 vfs_file_id_from_sbuf(conn, &smb_fname->st),
5458                                 ft->mtime);
5459                 }
5460         }
5461
5462         DEBUG(10,("smb_set_file_time: setting utimes to modified values.\n"));
5463
5464         /* Always call ntimes on the base, even if a stream was passed in. */
5465         status = create_synthetic_smb_fname(talloc_tos(), smb_fname->base_name,
5466                                             NULL, &smb_fname->st,
5467                                             &smb_fname_base);
5468         if (!NT_STATUS_IS_OK(status)) {
5469                 return status;
5470         }
5471
5472         if(file_ntimes(conn, smb_fname_base, ft)!=0) {
5473                 TALLOC_FREE(smb_fname_base);
5474                 return map_nt_error_from_unix(errno);
5475         }
5476         TALLOC_FREE(smb_fname_base);
5477
5478         notify_fname(conn, NOTIFY_ACTION_MODIFIED, action,
5479                      smb_fname->base_name);
5480         return NT_STATUS_OK;
5481 }
5482
5483 /****************************************************************************
5484  Deal with setting the dosmode from any of the setfilepathinfo functions.
5485 ****************************************************************************/
5486
5487 static NTSTATUS smb_set_file_dosmode(connection_struct *conn,
5488                                      const struct smb_filename *smb_fname,
5489                                      uint32 dosmode)
5490 {
5491         struct smb_filename *smb_fname_base = NULL;
5492         NTSTATUS status;
5493
5494         if (!VALID_STAT(smb_fname->st)) {
5495                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
5496         }
5497
5498         /* Always operate on the base_name, even if a stream was passed in. */
5499         status = create_synthetic_smb_fname(talloc_tos(), smb_fname->base_name,
5500                                             NULL, &smb_fname->st,
5501                                             &smb_fname_base);
5502         if (!NT_STATUS_IS_OK(status)) {
5503                 return status;
5504         }
5505
5506         if (dosmode) {
5507                 if (S_ISDIR(smb_fname_base->st.st_ex_mode)) {
5508                         dosmode |= aDIR;
5509                 } else {
5510                         dosmode &= ~aDIR;
5511                 }
5512         }
5513
5514         DEBUG(6,("smb_set_file_dosmode: dosmode: 0x%x\n", (unsigned int)dosmode));
5515
5516         /* check the mode isn't different, before changing it */
5517         if ((dosmode != 0) && (dosmode != dos_mode(conn, smb_fname_base))) {
5518                 DEBUG(10,("smb_set_file_dosmode: file %s : setting dos mode "
5519                           "0x%x\n", smb_fname_str_dbg(smb_fname_base),
5520                           (unsigned int)dosmode));
5521
5522                 if(file_set_dosmode(conn, smb_fname_base, dosmode, NULL,
5523                                     false)) {
5524                         DEBUG(2,("smb_set_file_dosmode: file_set_dosmode of "
5525                                  "%s failed (%s)\n",
5526                                  smb_fname_str_dbg(smb_fname_base),
5527                                  strerror(errno)));
5528                         status = map_nt_error_from_unix(errno);
5529                         goto out;
5530                 }
5531         }
5532         status = NT_STATUS_OK;
5533  out:
5534         TALLOC_FREE(smb_fname_base);
5535         return status;
5536 }
5537
5538 /****************************************************************************
5539  Deal with setting the size from any of the setfilepathinfo functions.
5540 ****************************************************************************/
5541
5542 static NTSTATUS smb_set_file_size(connection_struct *conn,
5543                                   struct smb_request *req,
5544                                   files_struct *fsp,
5545                                   const struct smb_filename *smb_fname,
5546                                   const SMB_STRUCT_STAT *psbuf,
5547                                   SMB_OFF_T size)
5548 {
5549         NTSTATUS status = NT_STATUS_OK;
5550         struct smb_filename *smb_fname_tmp = NULL;
5551         files_struct *new_fsp = NULL;
5552
5553         if (!VALID_STAT(*psbuf)) {
5554                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
5555         }
5556
5557         DEBUG(6,("smb_set_file_size: size: %.0f ", (double)size));
5558
5559         if (size == get_file_size_stat(psbuf)) {
5560                 return NT_STATUS_OK;
5561         }
5562
5563         DEBUG(10,("smb_set_file_size: file %s : setting new size to %.0f\n",
5564                   smb_fname_str_dbg(smb_fname), (double)size));
5565
5566         if (fsp && fsp->fh->fd != -1) {
5567                 /* Handle based call. */
5568                 if (vfs_set_filelen(fsp, size) == -1) {
5569                         return map_nt_error_from_unix(errno);
5570                 }
5571                 trigger_write_time_update_immediate(fsp);
5572                 return NT_STATUS_OK;
5573         }
5574
5575         status = copy_smb_filename(talloc_tos(), smb_fname, &smb_fname_tmp);
5576         if (!NT_STATUS_IS_OK(status)) {
5577                 return status;
5578         }
5579
5580         smb_fname_tmp->st = *psbuf;
5581
5582         status = SMB_VFS_CREATE_FILE(
5583                 conn,                                   /* conn */
5584                 req,                                    /* req */
5585                 0,                                      /* root_dir_fid */
5586                 smb_fname_tmp,                          /* fname */
5587                 FILE_WRITE_ATTRIBUTES,                  /* access_mask */
5588                 (FILE_SHARE_READ | FILE_SHARE_WRITE |   /* share_access */
5589                     FILE_SHARE_DELETE),
5590                 FILE_OPEN,                              /* create_disposition*/
5591                 0,                                      /* create_options */
5592                 FILE_ATTRIBUTE_NORMAL,                  /* file_attributes */
5593                 FORCE_OPLOCK_BREAK_TO_NONE,             /* oplock_request */
5594                 0,                                      /* allocation_size */
5595                 NULL,                                   /* sd */
5596                 NULL,                                   /* ea_list */
5597                 &new_fsp,                               /* result */
5598                 NULL);                                  /* pinfo */
5599
5600         TALLOC_FREE(smb_fname_tmp);
5601
5602         if (!NT_STATUS_IS_OK(status)) {
5603                 /* NB. We check for open_was_deferred in the caller. */
5604                 return status;
5605         }
5606
5607         if (vfs_set_filelen(new_fsp, size) == -1) {
5608                 status = map_nt_error_from_unix(errno);
5609                 close_file(req, new_fsp,NORMAL_CLOSE);
5610                 return status;
5611         }
5612
5613         trigger_write_time_update_immediate(new_fsp);
5614         close_file(req, new_fsp,NORMAL_CLOSE);
5615         return NT_STATUS_OK;
5616 }
5617
5618 /****************************************************************************
5619  Deal with SMB_INFO_SET_EA.
5620 ****************************************************************************/
5621
5622 static NTSTATUS smb_info_set_ea(connection_struct *conn,
5623                                 const char *pdata,
5624                                 int total_data,
5625                                 files_struct *fsp,
5626                                 const struct smb_filename *smb_fname)
5627 {
5628         struct ea_list *ea_list = NULL;
5629         TALLOC_CTX *ctx = NULL;
5630         NTSTATUS status = NT_STATUS_OK;
5631
5632         if (total_data < 10) {
5633
5634                 /* OS/2 workplace shell seems to send SET_EA requests of "null"
5635                    length. They seem to have no effect. Bug #3212. JRA */
5636
5637                 if ((total_data == 4) && (IVAL(pdata,0) == 4)) {
5638                         /* We're done. We only get EA info in this call. */
5639                         return NT_STATUS_OK;
5640                 }
5641
5642                 return NT_STATUS_INVALID_PARAMETER;
5643         }
5644
5645         if (IVAL(pdata,0) > total_data) {
5646                 DEBUG(10,("smb_info_set_ea: bad total data size (%u) > %u\n",
5647                         IVAL(pdata,0), (unsigned int)total_data));
5648                 return NT_STATUS_INVALID_PARAMETER;
5649         }
5650
5651         ctx = talloc_tos();
5652         ea_list = read_ea_list(ctx, pdata + 4, total_data - 4);
5653         if (!ea_list) {
5654                 return NT_STATUS_INVALID_PARAMETER;
5655         }
5656         status = set_ea(conn, fsp, smb_fname, ea_list);
5657
5658         return status;
5659 }
5660
5661 /****************************************************************************
5662  Deal with SMB_SET_FILE_DISPOSITION_INFO.
5663 ****************************************************************************/
5664
5665 static NTSTATUS smb_set_file_disposition_info(connection_struct *conn,
5666                                 const char *pdata,
5667                                 int total_data,
5668                                 files_struct *fsp,
5669                                 const struct smb_filename *smb_fname)
5670 {
5671         NTSTATUS status = NT_STATUS_OK;
5672         bool delete_on_close;
5673         uint32 dosmode = 0;
5674
5675         if (total_data < 1) {
5676                 return NT_STATUS_INVALID_PARAMETER;
5677         }
5678
5679         if (fsp == NULL) {
5680                 return NT_STATUS_INVALID_HANDLE;
5681         }
5682
5683         delete_on_close = (CVAL(pdata,0) ? True : False);
5684         dosmode = dos_mode(conn, smb_fname);
5685
5686         DEBUG(10,("smb_set_file_disposition_info: file %s, dosmode = %u, "
5687                 "delete_on_close = %u\n",
5688                 smb_fname_str_dbg(smb_fname),
5689                 (unsigned int)dosmode,
5690                 (unsigned int)delete_on_close ));
5691
5692         status = can_set_delete_on_close(fsp, delete_on_close, dosmode);
5693
5694         if (!NT_STATUS_IS_OK(status)) {
5695                 return status;
5696         }
5697
5698         /* The set is across all open files on this dev/inode pair. */
5699         if (!set_delete_on_close(fsp, delete_on_close,
5700                                  &conn->server_info->utok)) {
5701                 return NT_STATUS_ACCESS_DENIED;
5702         }
5703         return NT_STATUS_OK;
5704 }
5705
5706 /****************************************************************************
5707  Deal with SMB_FILE_POSITION_INFORMATION.
5708 ****************************************************************************/
5709
5710 static NTSTATUS smb_file_position_information(connection_struct *conn,
5711                                 const char *pdata,
5712                                 int total_data,
5713                                 files_struct *fsp)
5714 {
5715         uint64_t position_information;
5716
5717         if (total_data < 8) {
5718                 return NT_STATUS_INVALID_PARAMETER;
5719         }
5720
5721         if (fsp == NULL) {
5722                 /* Ignore on pathname based set. */
5723                 return NT_STATUS_OK;
5724         }
5725
5726         position_information = (uint64_t)IVAL(pdata,0);
5727 #ifdef LARGE_SMB_OFF_T
5728         position_information |= (((uint64_t)IVAL(pdata,4)) << 32);
5729 #else /* LARGE_SMB_OFF_T */
5730         if (IVAL(pdata,4) != 0) {
5731                 /* more than 32 bits? */
5732                 return NT_STATUS_INVALID_PARAMETER;
5733         }
5734 #endif /* LARGE_SMB_OFF_T */
5735
5736         DEBUG(10,("smb_file_position_information: Set file position "
5737                   "information for file %s to %.0f\n", fsp_str_dbg(fsp),
5738                   (double)position_information));
5739         fsp->fh->position_information = position_information;
5740         return NT_STATUS_OK;
5741 }
5742
5743 /****************************************************************************
5744  Deal with SMB_FILE_MODE_INFORMATION.
5745 ****************************************************************************/
5746
5747 static NTSTATUS smb_file_mode_information(connection_struct *conn,
5748                                 const char *pdata,
5749                                 int total_data)
5750 {
5751         uint32 mode;
5752
5753         if (total_data < 4) {
5754                 return NT_STATUS_INVALID_PARAMETER;
5755         }
5756         mode = IVAL(pdata,0);
5757         if (mode != 0 && mode != 2 && mode != 4 && mode != 6) {
5758                 return NT_STATUS_INVALID_PARAMETER;
5759         }
5760         return NT_STATUS_OK;
5761 }
5762
5763 /****************************************************************************
5764  Deal with SMB_SET_FILE_UNIX_LINK (create a UNIX symlink).
5765 ****************************************************************************/
5766
5767 static NTSTATUS smb_set_file_unix_link(connection_struct *conn,
5768                                        struct smb_request *req,
5769                                        const char *pdata,
5770                                        int total_data,
5771                                        const struct smb_filename *smb_fname)
5772 {
5773         char *link_target = NULL;
5774         const char *newname = smb_fname->base_name;
5775         NTSTATUS status = NT_STATUS_OK;
5776         TALLOC_CTX *ctx = talloc_tos();
5777
5778         /* Set a symbolic link. */
5779         /* Don't allow this if follow links is false. */
5780
5781         if (total_data == 0) {
5782                 return NT_STATUS_INVALID_PARAMETER;
5783         }
5784
5785         if (!lp_symlinks(SNUM(conn))) {
5786                 return NT_STATUS_ACCESS_DENIED;
5787         }
5788
5789         srvstr_pull_talloc(ctx, pdata, req->flags2, &link_target, pdata,
5790                     total_data, STR_TERMINATE);
5791
5792         if (!link_target) {
5793                 return NT_STATUS_INVALID_PARAMETER;
5794         }
5795
5796         /* !widelinks forces the target path to be within the share. */
5797         /* This means we can interpret the target as a pathname. */
5798         if (!lp_widelinks(SNUM(conn))) {
5799                 char *rel_name = NULL;
5800                 char *last_dirp = NULL;
5801
5802                 if (*link_target == '/') {
5803                         /* No absolute paths allowed. */
5804                         return NT_STATUS_ACCESS_DENIED;
5805                 }
5806                 rel_name = talloc_strdup(ctx,newname);
5807                 if (!rel_name) {
5808                         return NT_STATUS_NO_MEMORY;
5809                 }
5810                 last_dirp = strrchr_m(rel_name, '/');
5811                 if (last_dirp) {
5812                         last_dirp[1] = '\0';
5813                 } else {
5814                         rel_name = talloc_strdup(ctx,"./");
5815                         if (!rel_name) {
5816                                 return NT_STATUS_NO_MEMORY;
5817                         }
5818                 }
5819                 rel_name = talloc_asprintf_append(rel_name,
5820                                 "%s",
5821                                 link_target);
5822                 if (!rel_name) {
5823                         return NT_STATUS_NO_MEMORY;
5824                 }
5825
5826                 status = check_name(conn, rel_name);
5827                 if (!NT_STATUS_IS_OK(status)) {
5828                         return status;
5829                 }
5830         }
5831
5832         DEBUG(10,("smb_set_file_unix_link: SMB_SET_FILE_UNIX_LINK doing symlink %s -> %s\n",
5833                         newname, link_target ));
5834
5835         if (SMB_VFS_SYMLINK(conn,link_target,newname) != 0) {
5836                 return map_nt_error_from_unix(errno);
5837         }
5838
5839         return NT_STATUS_OK;
5840 }
5841
5842 /****************************************************************************
5843  Deal with SMB_SET_FILE_UNIX_HLINK (create a UNIX hard link).
5844 ****************************************************************************/
5845
5846 static NTSTATUS smb_set_file_unix_hlink(connection_struct *conn,
5847                                         struct smb_request *req,
5848                                         const char *pdata, int total_data,
5849                                         const struct smb_filename *smb_fname_new)
5850 {
5851         char *oldname = NULL;
5852         struct smb_filename *smb_fname_old = NULL;
5853         TALLOC_CTX *ctx = talloc_tos();
5854         NTSTATUS status = NT_STATUS_OK;
5855
5856         /* Set a hard link. */
5857         if (total_data == 0) {
5858                 return NT_STATUS_INVALID_PARAMETER;
5859         }
5860
5861         srvstr_get_path(ctx, pdata, req->flags2, &oldname, pdata,
5862                         total_data, STR_TERMINATE, &status);
5863         if (!NT_STATUS_IS_OK(status)) {
5864                 return status;
5865         }
5866
5867         DEBUG(10,("smb_set_file_unix_hlink: SMB_SET_FILE_UNIX_LINK doing hard link %s -> %s\n",
5868                 smb_fname_str_dbg(smb_fname_new), oldname));
5869
5870         status = filename_convert(ctx,
5871                                 conn,
5872                                 req->flags2 & FLAGS2_DFS_PATHNAMES,
5873                                 oldname,
5874                                 0,
5875                                 NULL,
5876                                 &smb_fname_old);
5877         if (!NT_STATUS_IS_OK(status)) {
5878                 return status;
5879         }
5880
5881         return hardlink_internals(ctx, conn, smb_fname_old, smb_fname_new);
5882 }
5883
5884 /****************************************************************************
5885  Deal with SMB_FILE_RENAME_INFORMATION.
5886 ****************************************************************************/
5887
5888 static NTSTATUS smb_file_rename_information(connection_struct *conn,
5889                                             struct smb_request *req,
5890                                             const char *pdata,
5891                                             int total_data,
5892                                             files_struct *fsp,
5893                                             struct smb_filename *smb_fname_src)
5894 {
5895         bool overwrite;
5896         uint32 root_fid;
5897         uint32 len;
5898         char *newname = NULL;
5899         struct smb_filename *smb_fname_dst = NULL;
5900         bool dest_has_wcard = False;
5901         NTSTATUS status = NT_STATUS_OK;
5902         char *p;
5903         TALLOC_CTX *ctx = talloc_tos();
5904
5905         if (total_data < 13) {
5906                 return NT_STATUS_INVALID_PARAMETER;
5907         }
5908
5909         overwrite = (CVAL(pdata,0) ? True : False);
5910         root_fid = IVAL(pdata,4);
5911         len = IVAL(pdata,8);
5912
5913         if (len > (total_data - 12) || (len == 0) || (root_fid != 0)) {
5914                 return NT_STATUS_INVALID_PARAMETER;
5915         }
5916
5917         srvstr_get_path_wcard(ctx, pdata, req->flags2, &newname, &pdata[12],
5918                               len, 0, &status,
5919                               &dest_has_wcard);
5920         if (!NT_STATUS_IS_OK(status)) {
5921                 return status;
5922         }
5923
5924         DEBUG(10,("smb_file_rename_information: got name |%s|\n",
5925                                 newname));
5926
5927         status = resolve_dfspath_wcard(ctx, conn,
5928                                        req->flags2 & FLAGS2_DFS_PATHNAMES,
5929                                        newname,
5930                                        &newname,
5931                                        &dest_has_wcard);
5932         if (!NT_STATUS_IS_OK(status)) {
5933                 return status;
5934         }
5935
5936         /* Check the new name has no '/' characters. */
5937         if (strchr_m(newname, '/')) {
5938                 return NT_STATUS_NOT_SUPPORTED;
5939         }
5940
5941         if (fsp && fsp->base_fsp) {
5942                 /* newname must be a stream name. */
5943                 if (newname[0] != ':') {
5944                         return NT_STATUS_NOT_SUPPORTED;
5945                 }
5946
5947                 /* Create an smb_fname to call rename_internals_fsp() with. */
5948                 status = create_synthetic_smb_fname(talloc_tos(),
5949                     fsp->base_fsp->fsp_name->base_name, newname, NULL,
5950                     &smb_fname_dst);
5951                 if (!NT_STATUS_IS_OK(status)) {
5952                         goto out;
5953                 }
5954
5955                 /*
5956                  * Set the original last component, since
5957                  * rename_internals_fsp() requires it.
5958                  */
5959                 smb_fname_dst->original_lcomp = talloc_strdup(smb_fname_dst,
5960                                                               newname);
5961                 if (smb_fname_dst->original_lcomp == NULL) {
5962                         status = NT_STATUS_NO_MEMORY;
5963                         goto out;
5964                 }
5965
5966         } else {
5967                 /*
5968                  * Build up an smb_fname_dst based on the filename passed in.
5969                  * We basically just strip off the last component, and put on
5970                  * the newname instead.
5971                  */
5972                 char *base_name = NULL;
5973
5974                 /* newname must *not* be a stream name. */
5975                 if (newname[0] == ':') {
5976                         return NT_STATUS_NOT_SUPPORTED;
5977                 }
5978
5979                 /*
5980                  * Strip off the last component (filename) of the path passed
5981                  * in.
5982                  */
5983                 base_name = talloc_strdup(ctx, smb_fname_src->base_name);
5984                 if (!base_name) {
5985                         return NT_STATUS_NO_MEMORY;
5986                 }
5987                 p = strrchr_m(base_name, '/');
5988                 if (p) {
5989                         p[1] = '\0';
5990                 } else {
5991                         base_name = talloc_strdup(ctx, "./");
5992                         if (!base_name) {
5993                                 return NT_STATUS_NO_MEMORY;
5994                         }
5995                 }
5996                 /* Append the new name. */
5997                 base_name = talloc_asprintf_append(base_name,
5998                                 "%s",
5999                                 newname);
6000                 if (!base_name) {
6001                         return NT_STATUS_NO_MEMORY;
6002                 }
6003
6004                 status = unix_convert(ctx, conn, base_name, &smb_fname_dst,
6005                                       (UCF_SAVE_LCOMP |
6006                                           (dest_has_wcard ?
6007                                               UCF_ALWAYS_ALLOW_WCARD_LCOMP :
6008                                               0)));
6009
6010                 /* If an error we expect this to be
6011                  * NT_STATUS_OBJECT_PATH_NOT_FOUND */
6012
6013                 if (!NT_STATUS_IS_OK(status)) {
6014                         if(!NT_STATUS_EQUAL(NT_STATUS_OBJECT_PATH_NOT_FOUND,
6015                                             status)) {
6016                                 goto out;
6017                         }
6018                         /* Create an smb_fname to call rename_internals_fsp() */
6019                         status = create_synthetic_smb_fname(ctx,
6020                                                             base_name, NULL,
6021                                                             NULL,
6022                                                             &smb_fname_dst);
6023                         if (!NT_STATUS_IS_OK(status)) {
6024                                 goto out;
6025                         }
6026                 }
6027         }
6028
6029         if (fsp) {
6030                 DEBUG(10,("smb_file_rename_information: "
6031                           "SMB_FILE_RENAME_INFORMATION (fnum %d) %s -> %s\n",
6032                           fsp->fnum, fsp_str_dbg(fsp),
6033                           smb_fname_str_dbg(smb_fname_dst)));
6034                 status = rename_internals_fsp(conn, fsp, smb_fname_dst, 0,
6035                                               overwrite);
6036         } else {
6037                 DEBUG(10,("smb_file_rename_information: "
6038                           "SMB_FILE_RENAME_INFORMATION %s -> %s\n",
6039                           smb_fname_str_dbg(smb_fname_src),
6040                           smb_fname_str_dbg(smb_fname_dst)));
6041                 status = rename_internals(ctx, conn, req, smb_fname_src,
6042                                           smb_fname_dst, 0, overwrite, false,
6043                                           dest_has_wcard,
6044                                           FILE_WRITE_ATTRIBUTES);
6045         }
6046  out:
6047         TALLOC_FREE(smb_fname_dst);
6048         return status;
6049 }
6050
6051 /****************************************************************************
6052  Deal with SMB_SET_POSIX_ACL.
6053 ****************************************************************************/
6054
6055 #if defined(HAVE_POSIX_ACLS)
6056 static NTSTATUS smb_set_posix_acl(connection_struct *conn,
6057                                 const char *pdata,
6058                                 int total_data,
6059                                 files_struct *fsp,
6060                                 const struct smb_filename *smb_fname)
6061 {
6062         uint16 posix_acl_version;
6063         uint16 num_file_acls;
6064         uint16 num_def_acls;
6065         bool valid_file_acls = True;
6066         bool valid_def_acls = True;
6067
6068         if (total_data < SMB_POSIX_ACL_HEADER_SIZE) {
6069                 return NT_STATUS_INVALID_PARAMETER;
6070         }
6071         posix_acl_version = SVAL(pdata,0);
6072         num_file_acls = SVAL(pdata,2);
6073         num_def_acls = SVAL(pdata,4);
6074
6075         if (num_file_acls == SMB_POSIX_IGNORE_ACE_ENTRIES) {
6076                 valid_file_acls = False;
6077                 num_file_acls = 0;
6078         }
6079
6080         if (num_def_acls == SMB_POSIX_IGNORE_ACE_ENTRIES) {
6081                 valid_def_acls = False;
6082                 num_def_acls = 0;
6083         }
6084
6085         if (posix_acl_version != SMB_POSIX_ACL_VERSION) {
6086                 return NT_STATUS_INVALID_PARAMETER;
6087         }
6088
6089         if (total_data < SMB_POSIX_ACL_HEADER_SIZE +
6090                         (num_file_acls+num_def_acls)*SMB_POSIX_ACL_ENTRY_SIZE) {
6091                 return NT_STATUS_INVALID_PARAMETER;
6092         }
6093
6094         DEBUG(10,("smb_set_posix_acl: file %s num_file_acls = %u, num_def_acls = %u\n",
6095                 smb_fname ? smb_fname_str_dbg(smb_fname) : fsp_str_dbg(fsp),
6096                 (unsigned int)num_file_acls,
6097                 (unsigned int)num_def_acls));
6098
6099         if (valid_file_acls && !set_unix_posix_acl(conn, fsp,
6100                 smb_fname->base_name, num_file_acls,
6101                 pdata + SMB_POSIX_ACL_HEADER_SIZE)) {
6102                 return map_nt_error_from_unix(errno);
6103         }
6104
6105         if (valid_def_acls && !set_unix_posix_default_acl(conn,
6106                 smb_fname->base_name, &smb_fname->st, num_def_acls,
6107                 pdata + SMB_POSIX_ACL_HEADER_SIZE +
6108                 (num_file_acls*SMB_POSIX_ACL_ENTRY_SIZE))) {
6109                 return map_nt_error_from_unix(errno);
6110         }
6111         return NT_STATUS_OK;
6112 }
6113 #endif
6114
6115 /****************************************************************************
6116  Deal with SMB_SET_POSIX_LOCK.
6117 ****************************************************************************/
6118
6119 static NTSTATUS smb_set_posix_lock(connection_struct *conn,
6120                                 struct smb_request *req,
6121                                 const char *pdata,
6122                                 int total_data,
6123                                 files_struct *fsp)
6124 {
6125         uint64_t count;
6126         uint64_t offset;
6127         uint32 lock_pid;
6128         bool blocking_lock = False;
6129         enum brl_type lock_type;
6130
6131         NTSTATUS status = NT_STATUS_OK;
6132
6133         if (fsp == NULL || fsp->fh->fd == -1) {
6134                 return NT_STATUS_INVALID_HANDLE;
6135         }
6136
6137         if (total_data != POSIX_LOCK_DATA_SIZE) {
6138                 return NT_STATUS_INVALID_PARAMETER;
6139         }
6140
6141         switch (SVAL(pdata, POSIX_LOCK_TYPE_OFFSET)) {
6142                 case POSIX_LOCK_TYPE_READ:
6143                         lock_type = READ_LOCK;
6144                         break;
6145                 case POSIX_LOCK_TYPE_WRITE:
6146                         /* Return the right POSIX-mappable error code for files opened read-only. */
6147                         if (!fsp->can_write) {
6148                                 return NT_STATUS_INVALID_HANDLE;
6149                         }
6150                         lock_type = WRITE_LOCK;
6151                         break;
6152                 case POSIX_LOCK_TYPE_UNLOCK:
6153                         lock_type = UNLOCK_LOCK;
6154                         break;
6155                 default:
6156                         return NT_STATUS_INVALID_PARAMETER;
6157         }
6158
6159         if (SVAL(pdata,POSIX_LOCK_FLAGS_OFFSET) == POSIX_LOCK_FLAG_NOWAIT) {
6160                 blocking_lock = False;
6161         } else if (SVAL(pdata,POSIX_LOCK_FLAGS_OFFSET) == POSIX_LOCK_FLAG_WAIT) {
6162                 blocking_lock = True;
6163         } else {
6164                 return NT_STATUS_INVALID_PARAMETER;
6165         }
6166
6167         if (!lp_blocking_locks(SNUM(conn))) {
6168                 blocking_lock = False;
6169         }
6170
6171         lock_pid = IVAL(pdata, POSIX_LOCK_PID_OFFSET);
6172 #if defined(HAVE_LONGLONG)
6173         offset = (((uint64_t) IVAL(pdata,(POSIX_LOCK_START_OFFSET+4))) << 32) |
6174                         ((uint64_t) IVAL(pdata,POSIX_LOCK_START_OFFSET));
6175         count = (((uint64_t) IVAL(pdata,(POSIX_LOCK_LEN_OFFSET+4))) << 32) |
6176                         ((uint64_t) IVAL(pdata,POSIX_LOCK_LEN_OFFSET));
6177 #else /* HAVE_LONGLONG */
6178         offset = (uint64_t)IVAL(pdata,POSIX_LOCK_START_OFFSET);
6179         count = (uint64_t)IVAL(pdata,POSIX_LOCK_LEN_OFFSET);
6180 #endif /* HAVE_LONGLONG */
6181
6182         DEBUG(10,("smb_set_posix_lock: file %s, lock_type = %u,"
6183                         "lock_pid = %u, count = %.0f, offset = %.0f\n",
6184                 fsp_str_dbg(fsp),
6185                 (unsigned int)lock_type,
6186                 (unsigned int)lock_pid,
6187                 (double)count,
6188                 (double)offset ));
6189
6190         if (lock_type == UNLOCK_LOCK) {
6191                 status = do_unlock(smbd_messaging_context(),
6192                                 fsp,
6193                                 lock_pid,
6194                                 count,
6195                                 offset,
6196                                 POSIX_LOCK);
6197         } else {
6198                 uint32 block_smbpid;
6199
6200                 struct byte_range_lock *br_lck = do_lock(smbd_messaging_context(),
6201                                                         fsp,
6202                                                         lock_pid,
6203                                                         count,
6204                                                         offset,
6205                                                         lock_type,
6206                                                         POSIX_LOCK,
6207                                                         blocking_lock,
6208                                                         &status,
6209                                                         &block_smbpid,
6210                                                         NULL);
6211
6212                 if (br_lck && blocking_lock && ERROR_WAS_LOCK_DENIED(status)) {
6213                         /*
6214                          * A blocking lock was requested. Package up
6215                          * this smb into a queued request and push it
6216                          * onto the blocking lock queue.
6217                          */
6218                         if(push_blocking_lock_request(br_lck,
6219                                                 req,
6220                                                 fsp,
6221                                                 -1, /* infinite timeout. */
6222                                                 0,
6223                                                 lock_pid,
6224                                                 lock_type,
6225                                                 POSIX_LOCK,
6226                                                 offset,
6227                                                 count,
6228                                                 block_smbpid)) {
6229                                 TALLOC_FREE(br_lck);
6230                                 return status;
6231                         }
6232                 }
6233                 TALLOC_FREE(br_lck);
6234         }
6235
6236         return status;
6237 }
6238
6239 /****************************************************************************
6240  Deal with SMB_SET_FILE_BASIC_INFO.
6241 ****************************************************************************/
6242
6243 static NTSTATUS smb_set_file_basic_info(connection_struct *conn,
6244                                         const char *pdata,
6245                                         int total_data,
6246                                         files_struct *fsp,
6247                                         const struct smb_filename *smb_fname)
6248 {
6249         /* Patch to do this correctly from Paul Eggert <eggert@twinsun.com>. */
6250         struct smb_file_time ft;
6251         uint32 dosmode = 0;
6252         NTSTATUS status = NT_STATUS_OK;
6253
6254         ZERO_STRUCT(ft);
6255
6256         if (total_data < 36) {
6257                 return NT_STATUS_INVALID_PARAMETER;
6258         }
6259
6260         /* Set the attributes */
6261         dosmode = IVAL(pdata,32);
6262         status = smb_set_file_dosmode(conn, smb_fname, dosmode);
6263         if (!NT_STATUS_IS_OK(status)) {
6264                 return status;
6265         }
6266
6267         /* create time */
6268         ft.create_time = interpret_long_date(pdata);
6269
6270         /* access time */
6271         ft.atime = interpret_long_date(pdata+8);
6272
6273         /* write time. */
6274         ft.mtime = interpret_long_date(pdata+16);
6275
6276         /* change time. */
6277         ft.ctime = interpret_long_date(pdata+24);
6278
6279         DEBUG(10, ("smb_set_file_basic_info: file %s\n",
6280                    smb_fname_str_dbg(smb_fname)));
6281
6282         return smb_set_file_time(conn, fsp, smb_fname, &ft,
6283                                  true);
6284 }
6285
6286 /****************************************************************************
6287  Deal with SMB_INFO_STANDARD.
6288 ****************************************************************************/
6289
6290 static NTSTATUS smb_set_info_standard(connection_struct *conn,
6291                                         const char *pdata,
6292                                         int total_data,
6293                                         files_struct *fsp,
6294                                         const struct smb_filename *smb_fname)
6295 {
6296         struct smb_file_time ft;
6297
6298         ZERO_STRUCT(ft);
6299
6300         if (total_data < 12) {
6301                 return NT_STATUS_INVALID_PARAMETER;
6302         }
6303
6304         /* create time */
6305         ft.create_time = convert_time_t_to_timespec(srv_make_unix_date2(pdata));
6306         /* access time */
6307         ft.atime = convert_time_t_to_timespec(srv_make_unix_date2(pdata+4));
6308         /* write time */
6309         ft.mtime = convert_time_t_to_timespec(srv_make_unix_date2(pdata+8));
6310
6311         DEBUG(10,("smb_set_info_standard: file %s\n",
6312                 smb_fname_str_dbg(smb_fname)));
6313
6314         return smb_set_file_time(conn,
6315                                 fsp,
6316                                 smb_fname,
6317                                 &ft,
6318                                 true);
6319 }
6320
6321 /****************************************************************************
6322  Deal with SMB_SET_FILE_ALLOCATION_INFO.
6323 ****************************************************************************/
6324
6325 static NTSTATUS smb_set_file_allocation_info(connection_struct *conn,
6326                                              struct smb_request *req,
6327                                         const char *pdata,
6328                                         int total_data,
6329                                         files_struct *fsp,
6330                                         struct smb_filename *smb_fname)
6331 {
6332         uint64_t allocation_size = 0;
6333         NTSTATUS status = NT_STATUS_OK;
6334         files_struct *new_fsp = NULL;
6335
6336         if (!VALID_STAT(smb_fname->st)) {
6337                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
6338         }
6339
6340         if (total_data < 8) {
6341                 return NT_STATUS_INVALID_PARAMETER;
6342         }
6343
6344         allocation_size = (uint64_t)IVAL(pdata,0);
6345 #ifdef LARGE_SMB_OFF_T
6346         allocation_size |= (((uint64_t)IVAL(pdata,4)) << 32);
6347 #else /* LARGE_SMB_OFF_T */
6348         if (IVAL(pdata,4) != 0) {
6349                 /* more than 32 bits? */
6350                 return NT_STATUS_INVALID_PARAMETER;
6351         }
6352 #endif /* LARGE_SMB_OFF_T */
6353
6354         DEBUG(10,("smb_set_file_allocation_info: Set file allocation info for "
6355                   "file %s to %.0f\n", smb_fname_str_dbg(smb_fname),
6356                   (double)allocation_size));
6357
6358         if (allocation_size) {
6359                 allocation_size = smb_roundup(conn, allocation_size);
6360         }
6361
6362         DEBUG(10,("smb_set_file_allocation_info: file %s : setting new "
6363                   "allocation size to %.0f\n", smb_fname_str_dbg(smb_fname),
6364                   (double)allocation_size));
6365
6366         if (fsp && fsp->fh->fd != -1) {
6367                 /* Open file handle. */
6368                 /* Only change if needed. */
6369                 if (allocation_size != get_file_size_stat(&smb_fname->st)) {
6370                         if (vfs_allocate_file_space(fsp, allocation_size) == -1) {
6371                                 return map_nt_error_from_unix(errno);
6372                         }
6373                 }
6374                 /* But always update the time. */
6375                 /*
6376                  * This is equivalent to a write. Ensure it's seen immediately
6377                  * if there are no pending writes.
6378                  */
6379                 trigger_write_time_update_immediate(fsp);
6380                 return NT_STATUS_OK;
6381         }
6382
6383         /* Pathname or stat or directory file. */
6384         status = SMB_VFS_CREATE_FILE(
6385                 conn,                                   /* conn */
6386                 req,                                    /* req */
6387                 0,                                      /* root_dir_fid */
6388                 smb_fname,                              /* fname */
6389                 FILE_WRITE_DATA,                        /* access_mask */
6390                 (FILE_SHARE_READ | FILE_SHARE_WRITE |   /* share_access */
6391                     FILE_SHARE_DELETE),
6392                 FILE_OPEN,                              /* create_disposition*/
6393                 0,                                      /* create_options */
6394                 FILE_ATTRIBUTE_NORMAL,                  /* file_attributes */
6395                 FORCE_OPLOCK_BREAK_TO_NONE,             /* oplock_request */
6396                 0,                                      /* allocation_size */
6397                 NULL,                                   /* sd */
6398                 NULL,                                   /* ea_list */
6399                 &new_fsp,                               /* result */
6400                 NULL);                                  /* pinfo */
6401
6402         if (!NT_STATUS_IS_OK(status)) {
6403                 /* NB. We check for open_was_deferred in the caller. */
6404                 return status;
6405         }
6406
6407         /* Only change if needed. */
6408         if (allocation_size != get_file_size_stat(&smb_fname->st)) {
6409                 if (vfs_allocate_file_space(new_fsp, allocation_size) == -1) {
6410                         status = map_nt_error_from_unix(errno);
6411                         close_file(req, new_fsp, NORMAL_CLOSE);
6412                         return status;
6413                 }
6414         }
6415
6416         /* Changing the allocation size should set the last mod time. */
6417         /*
6418          * This is equivalent to a write. Ensure it's seen immediately
6419          * if there are no pending writes.
6420          */
6421         trigger_write_time_update_immediate(new_fsp);
6422
6423         close_file(req, new_fsp, NORMAL_CLOSE);
6424         return NT_STATUS_OK;
6425 }
6426
6427 /****************************************************************************
6428  Deal with SMB_SET_FILE_END_OF_FILE_INFO.
6429 ****************************************************************************/
6430
6431 static NTSTATUS smb_set_file_end_of_file_info(connection_struct *conn,
6432                                               struct smb_request *req,
6433                                         const char *pdata,
6434                                         int total_data,
6435                                         files_struct *fsp,
6436                                         const struct smb_filename *smb_fname)
6437 {
6438         SMB_OFF_T size;
6439
6440         if (total_data < 8) {
6441                 return NT_STATUS_INVALID_PARAMETER;
6442         }
6443
6444         size = IVAL(pdata,0);
6445 #ifdef LARGE_SMB_OFF_T
6446         size |= (((SMB_OFF_T)IVAL(pdata,4)) << 32);
6447 #else /* LARGE_SMB_OFF_T */
6448         if (IVAL(pdata,4) != 0) {
6449                 /* more than 32 bits? */
6450                 return NT_STATUS_INVALID_PARAMETER;
6451         }
6452 #endif /* LARGE_SMB_OFF_T */
6453         DEBUG(10,("smb_set_file_end_of_file_info: Set end of file info for "
6454                   "file %s to %.0f\n", smb_fname_str_dbg(smb_fname),
6455                   (double)size));
6456
6457         return smb_set_file_size(conn, req,
6458                                 fsp,
6459                                 smb_fname,
6460                                 &smb_fname->st,
6461                                 size);
6462 }
6463
6464 /****************************************************************************
6465  Allow a UNIX info mknod.
6466 ****************************************************************************/
6467
6468 static NTSTATUS smb_unix_mknod(connection_struct *conn,
6469                                         const char *pdata,
6470                                         int total_data,
6471                                         const struct smb_filename *smb_fname)
6472 {
6473         uint32 file_type = IVAL(pdata,56);
6474 #if defined(HAVE_MAKEDEV)
6475         uint32 dev_major = IVAL(pdata,60);
6476         uint32 dev_minor = IVAL(pdata,68);
6477 #endif
6478         SMB_DEV_T dev = (SMB_DEV_T)0;
6479         uint32 raw_unixmode = IVAL(pdata,84);
6480         NTSTATUS status;
6481         mode_t unixmode;
6482
6483         if (total_data < 100) {
6484                 return NT_STATUS_INVALID_PARAMETER;
6485         }
6486
6487         status = unix_perms_from_wire(conn, &smb_fname->st, raw_unixmode,
6488                                       PERM_NEW_FILE, &unixmode);
6489         if (!NT_STATUS_IS_OK(status)) {
6490                 return status;
6491         }
6492
6493 #if defined(HAVE_MAKEDEV)
6494         dev = makedev(dev_major, dev_minor);
6495 #endif
6496
6497         switch (file_type) {
6498 #if defined(S_IFIFO)
6499                 case UNIX_TYPE_FIFO:
6500                         unixmode |= S_IFIFO;
6501                         break;
6502 #endif
6503 #if defined(S_IFSOCK)
6504                 case UNIX_TYPE_SOCKET:
6505                         unixmode |= S_IFSOCK;
6506                         break;
6507 #endif
6508 #if defined(S_IFCHR)
6509                 case UNIX_TYPE_CHARDEV:
6510                         unixmode |= S_IFCHR;
6511                         break;
6512 #endif
6513 #if defined(S_IFBLK)
6514                 case UNIX_TYPE_BLKDEV:
6515                         unixmode |= S_IFBLK;
6516                         break;
6517 #endif
6518                 default:
6519                         return NT_STATUS_INVALID_PARAMETER;
6520         }
6521
6522         DEBUG(10,("smb_unix_mknod: SMB_SET_FILE_UNIX_BASIC doing mknod dev "
6523                   "%.0f mode 0%o for file %s\n", (double)dev,
6524                   (unsigned int)unixmode, smb_fname_str_dbg(smb_fname)));
6525
6526         /* Ok - do the mknod. */
6527         if (SMB_VFS_MKNOD(conn, smb_fname->base_name, unixmode, dev) != 0) {
6528                 return map_nt_error_from_unix(errno);
6529         }
6530
6531         /* If any of the other "set" calls fail we
6532          * don't want to end up with a half-constructed mknod.
6533          */
6534
6535         if (lp_inherit_perms(SNUM(conn))) {
6536                 char *parent;
6537                 if (!parent_dirname(talloc_tos(), smb_fname->base_name,
6538                                     &parent, NULL)) {
6539                         return NT_STATUS_NO_MEMORY;
6540                 }
6541                 inherit_access_posix_acl(conn, parent, smb_fname->base_name,
6542                                          unixmode);
6543                 TALLOC_FREE(parent);
6544         }
6545
6546         return NT_STATUS_OK;
6547 }
6548
6549 /****************************************************************************
6550  Deal with SMB_SET_FILE_UNIX_BASIC.
6551 ****************************************************************************/
6552
6553 static NTSTATUS smb_set_file_unix_basic(connection_struct *conn,
6554                                         struct smb_request *req,
6555                                         const char *pdata,
6556                                         int total_data,
6557                                         files_struct *fsp,
6558                                         const struct smb_filename *smb_fname)
6559 {
6560         struct smb_file_time ft;
6561         uint32 raw_unixmode;
6562         mode_t unixmode;
6563         SMB_OFF_T size = 0;
6564         uid_t set_owner = (uid_t)SMB_UID_NO_CHANGE;
6565         gid_t set_grp = (uid_t)SMB_GID_NO_CHANGE;
6566         NTSTATUS status = NT_STATUS_OK;
6567         bool delete_on_fail = False;
6568         enum perm_type ptype;
6569         files_struct *all_fsps = NULL;
6570         bool modify_mtime = true;
6571         struct file_id id;
6572         SMB_STRUCT_STAT sbuf;
6573
6574         ZERO_STRUCT(ft);
6575
6576         if (total_data < 100) {
6577                 return NT_STATUS_INVALID_PARAMETER;
6578         }
6579
6580         if(IVAL(pdata, 0) != SMB_SIZE_NO_CHANGE_LO &&
6581            IVAL(pdata, 4) != SMB_SIZE_NO_CHANGE_HI) {
6582                 size=IVAL(pdata,0); /* first 8 Bytes are size */
6583 #ifdef LARGE_SMB_OFF_T
6584                 size |= (((SMB_OFF_T)IVAL(pdata,4)) << 32);
6585 #else /* LARGE_SMB_OFF_T */
6586                 if (IVAL(pdata,4) != 0) {
6587                         /* more than 32 bits? */
6588                         return NT_STATUS_INVALID_PARAMETER;
6589                 }
6590 #endif /* LARGE_SMB_OFF_T */
6591         }
6592
6593         ft.atime = interpret_long_date(pdata+24); /* access_time */
6594         ft.mtime = interpret_long_date(pdata+32); /* modification_time */
6595         set_owner = (uid_t)IVAL(pdata,40);
6596         set_grp = (gid_t)IVAL(pdata,48);
6597         raw_unixmode = IVAL(pdata,84);
6598
6599         if (VALID_STAT(smb_fname->st)) {
6600                 if (S_ISDIR(smb_fname->st.st_ex_mode)) {
6601                         ptype = PERM_EXISTING_DIR;
6602                 } else {
6603                         ptype = PERM_EXISTING_FILE;
6604                 }
6605         } else {
6606                 ptype = PERM_NEW_FILE;
6607         }
6608
6609         status = unix_perms_from_wire(conn, &smb_fname->st, raw_unixmode,
6610                                       ptype, &unixmode);
6611         if (!NT_STATUS_IS_OK(status)) {
6612                 return status;
6613         }
6614
6615         DEBUG(10,("smb_set_file_unix_basic: SMB_SET_FILE_UNIX_BASIC: name = "
6616                   "%s size = %.0f, uid = %u, gid = %u, raw perms = 0%o\n",
6617                   smb_fname_str_dbg(smb_fname), (double)size,
6618                   (unsigned int)set_owner, (unsigned int)set_grp,
6619                   (int)raw_unixmode));
6620
6621         sbuf = smb_fname->st;
6622
6623         if (!VALID_STAT(sbuf)) {
6624                 struct smb_filename *smb_fname_tmp = NULL;
6625                 /*
6626                  * The only valid use of this is to create character and block
6627                  * devices, and named pipes. This is deprecated (IMHO) and
6628                  * a new info level should be used for mknod. JRA.
6629                  */
6630
6631                 status = smb_unix_mknod(conn,
6632                                         pdata,
6633                                         total_data,
6634                                         smb_fname);
6635                 if (!NT_STATUS_IS_OK(status)) {
6636                         return status;
6637                 }
6638
6639                 status = copy_smb_filename(talloc_tos(), smb_fname,
6640                                            &smb_fname_tmp);
6641                 if (!NT_STATUS_IS_OK(status)) {
6642                         return status;
6643                 }
6644
6645                 if (SMB_VFS_STAT(conn, smb_fname_tmp) != 0) {
6646                         status = map_nt_error_from_unix(errno);
6647                         TALLOC_FREE(smb_fname_tmp);
6648                         SMB_VFS_UNLINK(conn, smb_fname);
6649                         return status;
6650                 }
6651
6652                 sbuf = smb_fname_tmp->st;
6653                 TALLOC_FREE(smb_fname_tmp);
6654
6655                 /* Ensure we don't try and change anything else. */
6656                 raw_unixmode = SMB_MODE_NO_CHANGE;
6657                 size = get_file_size_stat(&sbuf);
6658                 ft.atime = sbuf.st_ex_atime;
6659                 ft.mtime = sbuf.st_ex_mtime;
6660                 /*
6661                  * We continue here as we might want to change the
6662                  * owner uid/gid.
6663                  */
6664                 delete_on_fail = True;
6665         }
6666
6667 #if 1
6668         /* Horrible backwards compatibility hack as an old server bug
6669          * allowed a CIFS client bug to remain unnoticed :-(. JRA.
6670          * */
6671
6672         if (!size) {
6673                 size = get_file_size_stat(&sbuf);
6674         }
6675 #endif
6676
6677         /*
6678          * Deal with the UNIX specific mode set.
6679          */
6680
6681         if (raw_unixmode != SMB_MODE_NO_CHANGE) {
6682                 DEBUG(10,("smb_set_file_unix_basic: SMB_SET_FILE_UNIX_BASIC "
6683                           "setting mode 0%o for file %s\n",
6684                           (unsigned int)unixmode,
6685                           smb_fname_str_dbg(smb_fname)));
6686                 if (SMB_VFS_CHMOD(conn, smb_fname->base_name, unixmode) != 0) {
6687                         return map_nt_error_from_unix(errno);
6688                 }
6689         }
6690
6691         /*
6692          * Deal with the UNIX specific uid set.
6693          */
6694
6695         if ((set_owner != (uid_t)SMB_UID_NO_CHANGE) &&
6696             (sbuf.st_ex_uid != set_owner)) {
6697                 int ret;
6698
6699                 DEBUG(10,("smb_set_file_unix_basic: SMB_SET_FILE_UNIX_BASIC "
6700                           "changing owner %u for path %s\n",
6701                           (unsigned int)set_owner,
6702                           smb_fname_str_dbg(smb_fname)));
6703
6704                 if (S_ISLNK(sbuf.st_ex_mode)) {
6705                         ret = SMB_VFS_LCHOWN(conn, smb_fname->base_name,
6706                                              set_owner, (gid_t)-1);
6707                 } else {
6708                         ret = SMB_VFS_CHOWN(conn, smb_fname->base_name,
6709                                             set_owner, (gid_t)-1);
6710                 }
6711
6712                 if (ret != 0) {
6713                         status = map_nt_error_from_unix(errno);
6714                         if (delete_on_fail) {
6715                                 SMB_VFS_UNLINK(conn, smb_fname);
6716                         }
6717                         return status;
6718                 }
6719         }
6720
6721         /*
6722          * Deal with the UNIX specific gid set.
6723          */
6724
6725         if ((set_grp != (uid_t)SMB_GID_NO_CHANGE) &&
6726             (sbuf.st_ex_gid != set_grp)) {
6727                 DEBUG(10,("smb_set_file_unix_basic: SMB_SET_FILE_UNIX_BASIC "
6728                           "changing group %u for file %s\n",
6729                           (unsigned int)set_owner,
6730                           smb_fname_str_dbg(smb_fname)));
6731                 if (SMB_VFS_CHOWN(conn, smb_fname->base_name, (uid_t)-1,
6732                                   set_grp) != 0) {
6733                         status = map_nt_error_from_unix(errno);
6734                         if (delete_on_fail) {
6735                                 SMB_VFS_UNLINK(conn, smb_fname);
6736                         }
6737                         return status;
6738                 }
6739         }
6740
6741         /* Deal with any size changes. */
6742
6743         status = smb_set_file_size(conn, req,
6744                                    fsp,
6745                                    smb_fname,
6746                                    &sbuf,
6747                                    size);
6748         if (!NT_STATUS_IS_OK(status)) {
6749                 return status;
6750         }
6751
6752         /* Deal with any time changes. */
6753         if (null_timespec(ft.mtime) && null_timespec(ft.atime)) {
6754                 /* No change, don't cancel anything. */
6755                 return status;
6756         }
6757
6758         id = vfs_file_id_from_sbuf(conn, &sbuf);
6759         for(all_fsps = file_find_di_first(id); all_fsps;
6760                         all_fsps = file_find_di_next(all_fsps)) {
6761                 /*
6762                  * We're setting the time explicitly for UNIX.
6763                  * Cancel any pending changes over all handles.
6764                  */
6765                 all_fsps->update_write_time_on_close = false;
6766                 TALLOC_FREE(all_fsps->update_write_time_event);
6767         }
6768
6769         /*
6770          * Override the "setting_write_time"
6771          * parameter here as it almost does what
6772          * we need. Just remember if we modified
6773          * mtime and send the notify ourselves.
6774          */
6775         if (null_timespec(ft.mtime)) {
6776                 modify_mtime = false;
6777         }
6778
6779         status = smb_set_file_time(conn,
6780                                 fsp,
6781                                 smb_fname,
6782                                 &ft,
6783                                 false);
6784         if (modify_mtime) {
6785                 notify_fname(conn, NOTIFY_ACTION_MODIFIED,
6786                         FILE_NOTIFY_CHANGE_LAST_WRITE, smb_fname->base_name);
6787         }
6788         return status;
6789 }
6790
6791 /****************************************************************************
6792  Deal with SMB_SET_FILE_UNIX_INFO2.
6793 ****************************************************************************/
6794
6795 static NTSTATUS smb_set_file_unix_info2(connection_struct *conn,
6796                                         struct smb_request *req,
6797                                         const char *pdata,
6798                                         int total_data,
6799                                         files_struct *fsp,
6800                                         const struct smb_filename *smb_fname)
6801 {
6802         NTSTATUS status;
6803         uint32 smb_fflags;
6804         uint32 smb_fmask;
6805
6806         if (total_data < 116) {
6807                 return NT_STATUS_INVALID_PARAMETER;
6808         }
6809
6810         /* Start by setting all the fields that are common between UNIX_BASIC
6811          * and UNIX_INFO2.
6812          */
6813         status = smb_set_file_unix_basic(conn, req, pdata, total_data,
6814                                          fsp, smb_fname);
6815         if (!NT_STATUS_IS_OK(status)) {
6816                 return status;
6817         }
6818
6819         smb_fflags = IVAL(pdata, 108);
6820         smb_fmask = IVAL(pdata, 112);
6821
6822         /* NB: We should only attempt to alter the file flags if the client
6823          * sends a non-zero mask.
6824          */
6825         if (smb_fmask != 0) {
6826                 int stat_fflags = 0;
6827
6828                 if (!map_info2_flags_to_sbuf(&smb_fname->st, smb_fflags,
6829                                              smb_fmask, &stat_fflags)) {
6830                         /* Client asked to alter a flag we don't understand. */
6831                         return NT_STATUS_INVALID_PARAMETER;
6832                 }
6833
6834                 if (fsp && fsp->fh->fd != -1) {
6835                         /* XXX: we should be  using SMB_VFS_FCHFLAGS here. */
6836                         return NT_STATUS_NOT_SUPPORTED;
6837                 } else {
6838                         if (SMB_VFS_CHFLAGS(conn, smb_fname->base_name,
6839                                             stat_fflags) != 0) {
6840                                 return map_nt_error_from_unix(errno);
6841                         }
6842                 }
6843         }
6844
6845         /* XXX: need to add support for changing the create_time here. You
6846          * can do this for paths on Darwin with setattrlist(2). The right way
6847          * to hook this up is probably by extending the VFS utimes interface.
6848          */
6849
6850         return NT_STATUS_OK;
6851 }
6852
6853 /****************************************************************************
6854  Create a directory with POSIX semantics.
6855 ****************************************************************************/
6856
6857 static NTSTATUS smb_posix_mkdir(connection_struct *conn,
6858                                 struct smb_request *req,
6859                                 char **ppdata,
6860                                 int total_data,
6861                                 struct smb_filename *smb_fname,
6862                                 int *pdata_return_size)
6863 {
6864         NTSTATUS status = NT_STATUS_OK;
6865         uint32 raw_unixmode = 0;
6866         uint32 mod_unixmode = 0;
6867         mode_t unixmode = (mode_t)0;
6868         files_struct *fsp = NULL;
6869         uint16 info_level_return = 0;
6870         int info;
6871         char *pdata = *ppdata;
6872
6873         if (total_data < 18) {
6874                 return NT_STATUS_INVALID_PARAMETER;
6875         }
6876
6877         raw_unixmode = IVAL(pdata,8);
6878         /* Next 4 bytes are not yet defined. */
6879
6880         status = unix_perms_from_wire(conn, &smb_fname->st, raw_unixmode,
6881                                       PERM_NEW_DIR, &unixmode);
6882         if (!NT_STATUS_IS_OK(status)) {
6883                 return status;
6884         }
6885
6886         mod_unixmode = (uint32)unixmode | FILE_FLAG_POSIX_SEMANTICS;
6887
6888         DEBUG(10,("smb_posix_mkdir: file %s, mode 0%o\n",
6889                   smb_fname_str_dbg(smb_fname), (unsigned int)unixmode));
6890
6891         status = SMB_VFS_CREATE_FILE(
6892                 conn,                                   /* conn */
6893                 req,                                    /* req */
6894                 0,                                      /* root_dir_fid */
6895                 smb_fname,                              /* fname */
6896                 FILE_READ_ATTRIBUTES,                   /* access_mask */
6897                 FILE_SHARE_NONE,                        /* share_access */
6898                 FILE_CREATE,                            /* create_disposition*/
6899                 FILE_DIRECTORY_FILE,                    /* create_options */
6900                 mod_unixmode,                           /* file_attributes */
6901                 0,                                      /* oplock_request */
6902                 0,                                      /* allocation_size */
6903                 NULL,                                   /* sd */
6904                 NULL,                                   /* ea_list */
6905                 &fsp,                                   /* result */
6906                 &info);                                 /* pinfo */
6907
6908         if (NT_STATUS_IS_OK(status)) {
6909                 close_file(req, fsp, NORMAL_CLOSE);
6910         }
6911
6912         info_level_return = SVAL(pdata,16);
6913
6914         if (info_level_return == SMB_QUERY_FILE_UNIX_BASIC) {
6915                 *pdata_return_size = 12 + SMB_FILE_UNIX_BASIC_SIZE;
6916         } else if (info_level_return ==  SMB_QUERY_FILE_UNIX_INFO2) {
6917                 *pdata_return_size = 12 + SMB_FILE_UNIX_INFO2_SIZE;
6918         } else {
6919                 *pdata_return_size = 12;
6920         }
6921
6922         /* Realloc the data size */
6923         *ppdata = (char *)SMB_REALLOC(*ppdata,*pdata_return_size);
6924         if (*ppdata == NULL) {
6925                 *pdata_return_size = 0;
6926                 return NT_STATUS_NO_MEMORY;
6927         }
6928         pdata = *ppdata;
6929
6930         SSVAL(pdata,0,NO_OPLOCK_RETURN);
6931         SSVAL(pdata,2,0); /* No fnum. */
6932         SIVAL(pdata,4,info); /* Was directory created. */
6933
6934         switch (info_level_return) {
6935                 case SMB_QUERY_FILE_UNIX_BASIC:
6936                         SSVAL(pdata,8,SMB_QUERY_FILE_UNIX_BASIC);
6937                         SSVAL(pdata,10,0); /* Padding. */
6938                         store_file_unix_basic(conn, pdata + 12, fsp,
6939                                               &smb_fname->st);
6940                         break;
6941                 case SMB_QUERY_FILE_UNIX_INFO2:
6942                         SSVAL(pdata,8,SMB_QUERY_FILE_UNIX_INFO2);
6943                         SSVAL(pdata,10,0); /* Padding. */
6944                         store_file_unix_basic_info2(conn, pdata + 12, fsp,
6945                                                     &smb_fname->st);
6946                         break;
6947                 default:
6948                         SSVAL(pdata,8,SMB_NO_INFO_LEVEL_RETURNED);
6949                         SSVAL(pdata,10,0); /* Padding. */
6950                         break;
6951         }
6952
6953         return status;
6954 }
6955
6956 /****************************************************************************
6957  Open/Create a file with POSIX semantics.
6958 ****************************************************************************/
6959
6960 static NTSTATUS smb_posix_open(connection_struct *conn,
6961                                struct smb_request *req,
6962                                 char **ppdata,
6963                                 int total_data,
6964                                 struct smb_filename *smb_fname,
6965                                 int *pdata_return_size)
6966 {
6967         bool extended_oplock_granted = False;
6968         char *pdata = *ppdata;
6969         uint32 flags = 0;
6970         uint32 wire_open_mode = 0;
6971         uint32 raw_unixmode = 0;
6972         uint32 mod_unixmode = 0;
6973         uint32 create_disp = 0;
6974         uint32 access_mask = 0;
6975         uint32 create_options = 0;
6976         NTSTATUS status = NT_STATUS_OK;
6977         mode_t unixmode = (mode_t)0;
6978         files_struct *fsp = NULL;
6979         int oplock_request = 0;
6980         int info = 0;
6981         uint16 info_level_return = 0;
6982
6983         if (total_data < 18) {
6984                 return NT_STATUS_INVALID_PARAMETER;
6985         }
6986
6987         flags = IVAL(pdata,0);
6988         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
6989         if (oplock_request) {
6990                 oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
6991         }
6992
6993         wire_open_mode = IVAL(pdata,4);
6994
6995         if (wire_open_mode == (SMB_O_CREAT|SMB_O_DIRECTORY)) {
6996                 return smb_posix_mkdir(conn, req,
6997                                         ppdata,
6998                                         total_data,
6999                                         smb_fname,
7000                                         pdata_return_size);
7001         }
7002
7003         switch (wire_open_mode & SMB_ACCMODE) {
7004                 case SMB_O_RDONLY:
7005                         access_mask = FILE_READ_DATA;
7006                         break;
7007                 case SMB_O_WRONLY:
7008                         access_mask = FILE_WRITE_DATA;
7009                         break;
7010                 case SMB_O_RDWR:
7011                         access_mask = FILE_READ_DATA|FILE_WRITE_DATA;
7012                         break;
7013                 default:
7014                         DEBUG(5,("smb_posix_open: invalid open mode 0x%x\n",
7015                                 (unsigned int)wire_open_mode ));
7016                         return NT_STATUS_INVALID_PARAMETER;
7017         }
7018
7019         wire_open_mode &= ~SMB_ACCMODE;
7020
7021         if((wire_open_mode & (SMB_O_CREAT | SMB_O_EXCL)) == (SMB_O_CREAT | SMB_O_EXCL)) {
7022                 create_disp = FILE_CREATE;
7023         } else if((wire_open_mode & (SMB_O_CREAT | SMB_O_TRUNC)) == (SMB_O_CREAT | SMB_O_TRUNC)) {
7024                 create_disp = FILE_OVERWRITE_IF;
7025         } else if((wire_open_mode & SMB_O_CREAT) == SMB_O_CREAT) {
7026                 create_disp = FILE_OPEN_IF;
7027         } else if ((wire_open_mode & (SMB_O_CREAT | SMB_O_EXCL | SMB_O_TRUNC)) == 0) {
7028                 create_disp = FILE_OPEN;
7029         } else {
7030                 DEBUG(5,("smb_posix_open: invalid create mode 0x%x\n",
7031                         (unsigned int)wire_open_mode ));
7032                 return NT_STATUS_INVALID_PARAMETER;
7033         }
7034
7035         raw_unixmode = IVAL(pdata,8);
7036         /* Next 4 bytes are not yet defined. */
7037
7038         status = unix_perms_from_wire(conn, &smb_fname->st, raw_unixmode,
7039                                       (VALID_STAT(smb_fname->st) ?
7040                                           PERM_EXISTING_FILE : PERM_NEW_FILE),
7041                                       &unixmode);
7042
7043         if (!NT_STATUS_IS_OK(status)) {
7044                 return status;
7045         }
7046
7047         mod_unixmode = (uint32)unixmode | FILE_FLAG_POSIX_SEMANTICS;
7048
7049         if (wire_open_mode & SMB_O_SYNC) {
7050                 create_options |= FILE_WRITE_THROUGH;
7051         }
7052         if (wire_open_mode & SMB_O_APPEND) {
7053                 access_mask |= FILE_APPEND_DATA;
7054         }
7055         if (wire_open_mode & SMB_O_DIRECT) {
7056                 mod_unixmode |= FILE_FLAG_NO_BUFFERING;
7057         }
7058
7059         DEBUG(10,("smb_posix_open: file %s, smb_posix_flags = %u, mode 0%o\n",
7060                 smb_fname_str_dbg(smb_fname),
7061                 (unsigned int)wire_open_mode,
7062                 (unsigned int)unixmode ));
7063
7064         status = SMB_VFS_CREATE_FILE(
7065                 conn,                                   /* conn */
7066                 req,                                    /* req */
7067                 0,                                      /* root_dir_fid */
7068                 smb_fname,                              /* fname */
7069                 access_mask,                            /* access_mask */
7070                 (FILE_SHARE_READ | FILE_SHARE_WRITE |   /* share_access */
7071                     FILE_SHARE_DELETE),
7072                 create_disp,                            /* create_disposition*/
7073                 FILE_NON_DIRECTORY_FILE,                /* create_options */
7074                 mod_unixmode,                           /* file_attributes */
7075                 oplock_request,                         /* oplock_request */
7076                 0,                                      /* allocation_size */
7077                 NULL,                                   /* sd */
7078                 NULL,                                   /* ea_list */
7079                 &fsp,                                   /* result */
7080                 &info);                                 /* pinfo */
7081
7082         if (!NT_STATUS_IS_OK(status)) {
7083                 return status;
7084         }
7085
7086         if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
7087                 extended_oplock_granted = True;
7088         }
7089
7090         if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
7091                 extended_oplock_granted = True;
7092         }
7093
7094         info_level_return = SVAL(pdata,16);
7095
7096         /* Allocate the correct return size. */
7097
7098         if (info_level_return == SMB_QUERY_FILE_UNIX_BASIC) {
7099                 *pdata_return_size = 12 + SMB_FILE_UNIX_BASIC_SIZE;
7100         } else if (info_level_return ==  SMB_QUERY_FILE_UNIX_INFO2) {
7101                 *pdata_return_size = 12 + SMB_FILE_UNIX_INFO2_SIZE;
7102         } else {
7103                 *pdata_return_size = 12;
7104         }
7105
7106         /* Realloc the data size */
7107         *ppdata = (char *)SMB_REALLOC(*ppdata,*pdata_return_size);
7108         if (*ppdata == NULL) {
7109                 close_file(req, fsp, ERROR_CLOSE);
7110                 *pdata_return_size = 0;
7111                 return NT_STATUS_NO_MEMORY;
7112         }
7113         pdata = *ppdata;
7114
7115         if (extended_oplock_granted) {
7116                 if (flags & REQUEST_BATCH_OPLOCK) {
7117                         SSVAL(pdata,0, BATCH_OPLOCK_RETURN);
7118                 } else {
7119                         SSVAL(pdata,0, EXCLUSIVE_OPLOCK_RETURN);
7120                 }
7121         } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
7122                 SSVAL(pdata,0, LEVEL_II_OPLOCK_RETURN);
7123         } else {
7124                 SSVAL(pdata,0,NO_OPLOCK_RETURN);
7125         }
7126
7127         SSVAL(pdata,2,fsp->fnum);
7128         SIVAL(pdata,4,info); /* Was file created etc. */
7129
7130         switch (info_level_return) {
7131                 case SMB_QUERY_FILE_UNIX_BASIC:
7132                         SSVAL(pdata,8,SMB_QUERY_FILE_UNIX_BASIC);
7133                         SSVAL(pdata,10,0); /* padding. */
7134                         store_file_unix_basic(conn, pdata + 12, fsp,
7135                                               &smb_fname->st);
7136                         break;
7137                 case SMB_QUERY_FILE_UNIX_INFO2:
7138                         SSVAL(pdata,8,SMB_QUERY_FILE_UNIX_INFO2);
7139                         SSVAL(pdata,10,0); /* padding. */
7140                         store_file_unix_basic_info2(conn, pdata + 12, fsp,
7141                                                     &smb_fname->st);
7142                         break;
7143                 default:
7144                         SSVAL(pdata,8,SMB_NO_INFO_LEVEL_RETURNED);
7145                         SSVAL(pdata,10,0); /* padding. */
7146                         break;
7147         }
7148         return NT_STATUS_OK;
7149 }
7150
7151 /****************************************************************************
7152  Delete a file with POSIX semantics.
7153 ****************************************************************************/
7154
7155 static NTSTATUS smb_posix_unlink(connection_struct *conn,
7156                                  struct smb_request *req,
7157                                 const char *pdata,
7158                                 int total_data,
7159                                 struct smb_filename *smb_fname)
7160 {
7161         NTSTATUS status = NT_STATUS_OK;
7162         files_struct *fsp = NULL;
7163         uint16 flags = 0;
7164         char del = 1;
7165         int info = 0;
7166         int create_options = 0;
7167         int i;
7168         struct share_mode_lock *lck = NULL;
7169
7170         if (total_data < 2) {
7171                 return NT_STATUS_INVALID_PARAMETER;
7172         }
7173
7174         flags = SVAL(pdata,0);
7175
7176         if (!VALID_STAT(smb_fname->st)) {
7177                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
7178         }
7179
7180         if ((flags == SMB_POSIX_UNLINK_DIRECTORY_TARGET) &&
7181                         !VALID_STAT_OF_DIR(smb_fname->st)) {
7182                 return NT_STATUS_NOT_A_DIRECTORY;
7183         }
7184
7185         DEBUG(10,("smb_posix_unlink: %s %s\n",
7186                 (flags == SMB_POSIX_UNLINK_DIRECTORY_TARGET) ? "directory" : "file",
7187                 smb_fname_str_dbg(smb_fname)));
7188
7189         if (VALID_STAT_OF_DIR(smb_fname->st)) {
7190                 create_options |= FILE_DIRECTORY_FILE;
7191         }
7192
7193         status = SMB_VFS_CREATE_FILE(
7194                 conn,                                   /* conn */
7195                 req,                                    /* req */
7196                 0,                                      /* root_dir_fid */
7197                 smb_fname,                              /* fname */
7198                 DELETE_ACCESS,                          /* access_mask */
7199                 (FILE_SHARE_READ | FILE_SHARE_WRITE |   /* share_access */
7200                     FILE_SHARE_DELETE),
7201                 FILE_OPEN,                              /* create_disposition*/
7202                 create_options,                         /* create_options */
7203                 FILE_FLAG_POSIX_SEMANTICS|0777,         /* file_attributes */
7204                 0,                                      /* oplock_request */
7205                 0,                                      /* allocation_size */
7206                 NULL,                                   /* sd */
7207                 NULL,                                   /* ea_list */
7208                 &fsp,                                   /* result */
7209                 &info);                                 /* pinfo */
7210
7211         if (!NT_STATUS_IS_OK(status)) {
7212                 return status;
7213         }
7214
7215         /*
7216          * Don't lie to client. If we can't really delete due to
7217          * non-POSIX opens return SHARING_VIOLATION.
7218          */
7219
7220         lck = get_share_mode_lock(talloc_tos(), fsp->file_id, NULL, NULL,
7221                                   NULL);
7222         if (lck == NULL) {
7223                 DEBUG(0, ("smb_posix_unlink: Could not get share mode "
7224                           "lock for file %s\n", fsp_str_dbg(fsp)));
7225                 close_file(req, fsp, NORMAL_CLOSE);
7226                 return NT_STATUS_INVALID_PARAMETER;
7227         }
7228
7229         /*
7230          * See if others still have the file open. If this is the case, then
7231          * don't delete. If all opens are POSIX delete we can set the delete
7232          * on close disposition.
7233          */
7234         for (i=0; i<lck->num_share_modes; i++) {
7235                 struct share_mode_entry *e = &lck->share_modes[i];
7236                 if (is_valid_share_mode_entry(e)) {
7237                         if (e->flags & SHARE_MODE_FLAG_POSIX_OPEN) {
7238                                 continue;
7239                         }
7240                         /* Fail with sharing violation. */
7241                         close_file(req, fsp, NORMAL_CLOSE);
7242                         TALLOC_FREE(lck);
7243                         return NT_STATUS_SHARING_VIOLATION;
7244                 }
7245         }
7246
7247         /*
7248          * Set the delete on close.
7249          */
7250         status = smb_set_file_disposition_info(conn,
7251                                                 &del,
7252                                                 1,
7253                                                 fsp,
7254                                                 smb_fname);
7255
7256         if (!NT_STATUS_IS_OK(status)) {
7257                 close_file(req, fsp, NORMAL_CLOSE);
7258                 TALLOC_FREE(lck);
7259                 return status;
7260         }
7261         TALLOC_FREE(lck);
7262         return close_file(req, fsp, NORMAL_CLOSE);
7263 }
7264
7265 NTSTATUS smbd_do_setfilepathinfo(connection_struct *conn,
7266                                 struct smb_request *req,
7267                                 TALLOC_CTX *mem_ctx,
7268                                 uint16_t info_level,
7269                                 files_struct *fsp,
7270                                 struct smb_filename *smb_fname,
7271                                 char **ppdata, int total_data,
7272                                 int *ret_data_size)
7273 {
7274         char *pdata = *ppdata;
7275         NTSTATUS status = NT_STATUS_OK;
7276         int data_return_size = 0;
7277
7278         *ret_data_size = 0;
7279
7280         if (INFO_LEVEL_IS_UNIX(info_level) && !lp_unix_extensions()) {
7281                 return NT_STATUS_INVALID_LEVEL;
7282         }
7283
7284         if (!CAN_WRITE(conn)) {
7285                 /* Allow POSIX opens. The open path will deny
7286                  * any non-readonly opens. */
7287                 if (info_level != SMB_POSIX_PATH_OPEN) {
7288                         return NT_STATUS_DOS(ERRSRV, ERRaccess);
7289                 }
7290         }
7291
7292         DEBUG(3,("smbd_do_setfilepathinfo: %s (fnum %d) info_level=%d "
7293                  "totdata=%d\n", smb_fname_str_dbg(smb_fname),
7294                  fsp ? fsp->fnum : -1, info_level, total_data));
7295
7296         switch (info_level) {
7297
7298                 case SMB_INFO_STANDARD:
7299                 {
7300                         status = smb_set_info_standard(conn,
7301                                         pdata,
7302                                         total_data,
7303                                         fsp,
7304                                         smb_fname);
7305                         break;
7306                 }
7307
7308                 case SMB_INFO_SET_EA:
7309                 {
7310                         status = smb_info_set_ea(conn,
7311                                                 pdata,
7312                                                 total_data,
7313                                                 fsp,
7314                                                 smb_fname);
7315                         break;
7316                 }
7317
7318                 case SMB_SET_FILE_BASIC_INFO:
7319                 case SMB_FILE_BASIC_INFORMATION:
7320                 {
7321                         status = smb_set_file_basic_info(conn,
7322                                                         pdata,
7323                                                         total_data,
7324                                                         fsp,
7325                                                         smb_fname);
7326                         break;
7327                 }
7328
7329                 case SMB_FILE_ALLOCATION_INFORMATION:
7330                 case SMB_SET_FILE_ALLOCATION_INFO:
7331                 {
7332                         status = smb_set_file_allocation_info(conn, req,
7333                                                                 pdata,
7334                                                                 total_data,
7335                                                                 fsp,
7336                                                                 smb_fname);
7337                         break;
7338                 }
7339
7340                 case SMB_FILE_END_OF_FILE_INFORMATION:
7341                 case SMB_SET_FILE_END_OF_FILE_INFO:
7342                 {
7343                         status = smb_set_file_end_of_file_info(conn, req,
7344                                                                 pdata,
7345                                                                 total_data,
7346                                                                 fsp,
7347                                                                 smb_fname);
7348                         break;
7349                 }
7350
7351                 case SMB_FILE_DISPOSITION_INFORMATION:
7352                 case SMB_SET_FILE_DISPOSITION_INFO: /* Set delete on close for open file. */
7353                 {
7354 #if 0
7355                         /* JRA - We used to just ignore this on a path ?
7356                          * Shouldn't this be invalid level on a pathname
7357                          * based call ?
7358                          */
7359                         if (tran_call != TRANSACT2_SETFILEINFO) {
7360                                 return ERROR_NT(NT_STATUS_INVALID_LEVEL);
7361                         }
7362 #endif
7363                         status = smb_set_file_disposition_info(conn,
7364                                                 pdata,
7365                                                 total_data,
7366                                                 fsp,
7367                                                 smb_fname);
7368                         break;
7369                 }
7370
7371                 case SMB_FILE_POSITION_INFORMATION:
7372                 {
7373                         status = smb_file_position_information(conn,
7374                                                 pdata,
7375                                                 total_data,
7376                                                 fsp);
7377                         break;
7378                 }
7379
7380                 /* From tridge Samba4 :
7381                  * MODE_INFORMATION in setfileinfo (I have no
7382                  * idea what "mode information" on a file is - it takes a value of 0,
7383                  * 2, 4 or 6. What could it be?).
7384                  */
7385
7386                 case SMB_FILE_MODE_INFORMATION:
7387                 {
7388                         status = smb_file_mode_information(conn,
7389                                                 pdata,
7390                                                 total_data);
7391                         break;
7392                 }
7393
7394                 /*
7395                  * CIFS UNIX extensions.
7396                  */
7397
7398                 case SMB_SET_FILE_UNIX_BASIC:
7399                 {
7400                         status = smb_set_file_unix_basic(conn, req,
7401                                                         pdata,
7402                                                         total_data,
7403                                                         fsp,
7404                                                         smb_fname);
7405                         break;
7406                 }
7407
7408                 case SMB_SET_FILE_UNIX_INFO2:
7409                 {
7410                         status = smb_set_file_unix_info2(conn, req,
7411                                                         pdata,
7412                                                         total_data,
7413                                                         fsp,
7414                                                         smb_fname);
7415                         break;
7416                 }
7417
7418                 case SMB_SET_FILE_UNIX_LINK:
7419                 {
7420                         if (fsp) {
7421                                 /* We must have a pathname for this. */
7422                                 return NT_STATUS_INVALID_LEVEL;
7423                         }
7424                         status = smb_set_file_unix_link(conn, req, pdata,
7425                                                         total_data, smb_fname);
7426                         break;
7427                 }
7428
7429                 case SMB_SET_FILE_UNIX_HLINK:
7430                 {
7431                         if (fsp) {
7432                                 /* We must have a pathname for this. */
7433                                 return NT_STATUS_INVALID_LEVEL;
7434                         }
7435                         status = smb_set_file_unix_hlink(conn, req,
7436                                                          pdata, total_data,
7437                                                          smb_fname);
7438                         break;
7439                 }
7440
7441                 case SMB_FILE_RENAME_INFORMATION:
7442                 {
7443                         status = smb_file_rename_information(conn, req,
7444                                                              pdata, total_data,
7445                                                              fsp, smb_fname);
7446                         break;
7447                 }
7448
7449 #if defined(HAVE_POSIX_ACLS)
7450                 case SMB_SET_POSIX_ACL:
7451                 {
7452                         status = smb_set_posix_acl(conn,
7453                                                 pdata,
7454                                                 total_data,
7455                                                 fsp,
7456                                                 smb_fname);
7457                         break;
7458                 }
7459 #endif
7460
7461                 case SMB_SET_POSIX_LOCK:
7462                 {
7463                         if (!fsp) {
7464                                 return NT_STATUS_INVALID_LEVEL;
7465                         }
7466                         status = smb_set_posix_lock(conn, req,
7467                                                     pdata, total_data, fsp);
7468                         break;
7469                 }
7470
7471                 case SMB_POSIX_PATH_OPEN:
7472                 {
7473                         if (fsp) {
7474                                 /* We must have a pathname for this. */
7475                                 return NT_STATUS_INVALID_LEVEL;
7476                         }
7477
7478                         status = smb_posix_open(conn, req,
7479                                                 ppdata,
7480                                                 total_data,
7481                                                 smb_fname,
7482                                                 &data_return_size);
7483                         break;
7484                 }
7485
7486                 case SMB_POSIX_PATH_UNLINK:
7487                 {
7488                         if (fsp) {
7489                                 /* We must have a pathname for this. */
7490                                 return NT_STATUS_INVALID_LEVEL;
7491                         }
7492
7493                         status = smb_posix_unlink(conn, req,
7494                                                 pdata,
7495                                                 total_data,
7496                                                 smb_fname);
7497                         break;
7498                 }
7499
7500                 default:
7501                         return NT_STATUS_INVALID_LEVEL;
7502         }
7503
7504         if (!NT_STATUS_IS_OK(status)) {
7505                 return status;
7506         }
7507
7508         *ret_data_size = data_return_size;
7509         return NT_STATUS_OK;
7510 }
7511
7512 /****************************************************************************
7513  Reply to a TRANS2_SETFILEINFO (set file info by fileid or pathname).
7514 ****************************************************************************/
7515
7516 static void call_trans2setfilepathinfo(connection_struct *conn,
7517                                        struct smb_request *req,
7518                                        unsigned int tran_call,
7519                                        char **pparams, int total_params,
7520                                        char **ppdata, int total_data,
7521                                        unsigned int max_data_bytes)
7522 {
7523         char *params = *pparams;
7524         char *pdata = *ppdata;
7525         uint16 info_level;
7526         struct smb_filename *smb_fname = NULL;
7527         files_struct *fsp = NULL;
7528         NTSTATUS status = NT_STATUS_OK;
7529         int data_return_size = 0;
7530
7531         if (!params) {
7532                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7533                 return;
7534         }
7535
7536         if (tran_call == TRANSACT2_SETFILEINFO) {
7537                 if (total_params < 4) {
7538                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7539                         return;
7540                 }
7541
7542                 fsp = file_fsp(req, SVAL(params,0));
7543                 /* Basic check for non-null fsp. */
7544                 if (!check_fsp_open(conn, req, fsp)) {
7545                         return;
7546                 }
7547                 info_level = SVAL(params,2);
7548
7549                 status = copy_smb_filename(talloc_tos(), fsp->fsp_name,
7550                                            &smb_fname);
7551                 if (!NT_STATUS_IS_OK(status)) {
7552                         reply_nterror(req, status);
7553                         return;
7554                 }
7555
7556                 if(fsp->is_directory || fsp->fh->fd == -1) {
7557                         /*
7558                          * This is actually a SETFILEINFO on a directory
7559                          * handle (returned from an NT SMB). NT5.0 seems
7560                          * to do this call. JRA.
7561                          */
7562                         if (INFO_LEVEL_IS_UNIX(info_level)) {
7563                                 /* Always do lstat for UNIX calls. */
7564                                 if (SMB_VFS_LSTAT(conn, smb_fname)) {
7565                                         DEBUG(3,("call_trans2setfilepathinfo: "
7566                                                  "SMB_VFS_LSTAT of %s failed "
7567                                                  "(%s)\n",
7568                                                  smb_fname_str_dbg(smb_fname),
7569                                                  strerror(errno)));
7570                                         reply_nterror(req, map_nt_error_from_unix(errno));
7571                                         return;
7572                                 }
7573                         } else {
7574                                 if (SMB_VFS_STAT(conn, smb_fname) != 0) {
7575                                         DEBUG(3,("call_trans2setfilepathinfo: "
7576                                                  "fileinfo of %s failed (%s)\n",
7577                                                  smb_fname_str_dbg(smb_fname),
7578                                                  strerror(errno)));
7579                                         reply_nterror(req, map_nt_error_from_unix(errno));
7580                                         return;
7581                                 }
7582                         }
7583                 } else if (fsp->print_file) {
7584                         /*
7585                          * Doing a DELETE_ON_CLOSE should cancel a print job.
7586                          */
7587                         if ((info_level == SMB_SET_FILE_DISPOSITION_INFO) && CVAL(pdata,0)) {
7588                                 fsp->fh->private_options |= FILE_DELETE_ON_CLOSE;
7589
7590                                 DEBUG(3,("call_trans2setfilepathinfo: "
7591                                          "Cancelling print job (%s)\n",
7592                                          fsp_str_dbg(fsp)));
7593
7594                                 SSVAL(params,0,0);
7595                                 send_trans2_replies(conn, req, params, 2,
7596                                                     *ppdata, 0,
7597                                                     max_data_bytes);
7598                                 return;
7599                         } else {
7600                                 reply_doserror(req, ERRDOS, ERRbadpath);
7601                                 return;
7602                         }
7603                 } else {
7604                         /*
7605                          * Original code - this is an open file.
7606                          */
7607                         if (!check_fsp(conn, req, fsp)) {
7608                                 return;
7609                         }
7610
7611                         if (SMB_VFS_FSTAT(fsp, &smb_fname->st) != 0) {
7612                                 DEBUG(3,("call_trans2setfilepathinfo: fstat "
7613                                          "of fnum %d failed (%s)\n", fsp->fnum,
7614                                          strerror(errno)));
7615                                 reply_nterror(req, map_nt_error_from_unix(errno));
7616                                 return;
7617                         }
7618                 }
7619         } else {
7620                 char *fname = NULL;
7621
7622                 /* set path info */
7623                 if (total_params < 7) {
7624                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7625                         return;
7626                 }
7627
7628                 info_level = SVAL(params,0);
7629                 srvstr_get_path(req, params, req->flags2, &fname, &params[6],
7630                                 total_params - 6, STR_TERMINATE,
7631                                 &status);
7632                 if (!NT_STATUS_IS_OK(status)) {
7633                         reply_nterror(req, status);
7634                         return;
7635                 }
7636
7637                 status = filename_convert(req, conn,
7638                                          req->flags2 & FLAGS2_DFS_PATHNAMES,
7639                                          fname,
7640                                          0,
7641                                          NULL,
7642                                          &smb_fname);
7643                 if (!NT_STATUS_IS_OK(status)) {
7644                         if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
7645                                 reply_botherror(req,
7646                                                 NT_STATUS_PATH_NOT_COVERED,
7647                                                 ERRSRV, ERRbadpath);
7648                                 return;
7649                         }
7650                         reply_nterror(req, status);
7651                         return;
7652                 }
7653
7654                 if (INFO_LEVEL_IS_UNIX(info_level)) {
7655                         /*
7656                          * For CIFS UNIX extensions the target name may not exist.
7657                          */
7658
7659                         /* Always do lstat for UNIX calls. */
7660                         SMB_VFS_LSTAT(conn, smb_fname);
7661
7662                 } else if (!VALID_STAT(smb_fname->st) &&
7663                            SMB_VFS_STAT(conn, smb_fname)) {
7664                         DEBUG(3,("call_trans2setfilepathinfo: SMB_VFS_STAT of "
7665                                  "%s failed (%s)\n",
7666                                  smb_fname_str_dbg(smb_fname),
7667                                  strerror(errno)));
7668                         reply_nterror(req, map_nt_error_from_unix(errno));
7669                         return;
7670                 }
7671         }
7672
7673         DEBUG(3,("call_trans2setfilepathinfo(%d) %s (fnum %d) info_level=%d "
7674                  "totdata=%d\n", tran_call, smb_fname_str_dbg(smb_fname),
7675                  fsp ? fsp->fnum : -1, info_level,total_data));
7676
7677         /* Realloc the parameter size */
7678         *pparams = (char *)SMB_REALLOC(*pparams,2);
7679         if (*pparams == NULL) {
7680                 reply_nterror(req, NT_STATUS_NO_MEMORY);
7681                 return;
7682         }
7683         params = *pparams;
7684
7685         SSVAL(params,0,0);
7686
7687         status = smbd_do_setfilepathinfo(conn, req, req,
7688                                          info_level,
7689                                          fsp,
7690                                          smb_fname,
7691                                          ppdata, total_data,
7692                                          &data_return_size);
7693         if (!NT_STATUS_IS_OK(status)) {
7694                 if (open_was_deferred(req->mid)) {
7695                         /* We have re-scheduled this call. */
7696                         return;
7697                 }
7698                 if (blocking_lock_was_deferred(req->mid)) {
7699                         /* We have re-scheduled this call. */
7700                         return;
7701                 }
7702                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
7703                         reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
7704                                         ERRSRV, ERRbadpath);
7705                         return;
7706                 }
7707                 if (info_level == SMB_POSIX_PATH_OPEN) {
7708                         reply_openerror(req, status);
7709                         return;
7710                 }
7711
7712                 reply_nterror(req, status);
7713                 return;
7714         }
7715
7716         send_trans2_replies(conn, req, params, 2, *ppdata, data_return_size,
7717                             max_data_bytes);
7718
7719         return;
7720 }
7721
7722 /****************************************************************************
7723  Reply to a TRANS2_MKDIR (make directory with extended attributes).
7724 ****************************************************************************/
7725
7726 static void call_trans2mkdir(connection_struct *conn, struct smb_request *req,
7727                              char **pparams, int total_params,
7728                              char **ppdata, int total_data,
7729                              unsigned int max_data_bytes)
7730 {
7731         struct smb_filename *smb_dname = NULL;
7732         char *params = *pparams;
7733         char *pdata = *ppdata;
7734         char *directory = NULL;
7735         NTSTATUS status = NT_STATUS_OK;
7736         struct ea_list *ea_list = NULL;
7737         TALLOC_CTX *ctx = talloc_tos();
7738
7739         if (!CAN_WRITE(conn)) {
7740                 reply_doserror(req, ERRSRV, ERRaccess);
7741                 return;
7742         }
7743
7744         if (total_params < 5) {
7745                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7746                 return;
7747         }
7748
7749         srvstr_get_path(ctx, params, req->flags2, &directory, &params[4],
7750                         total_params - 4, STR_TERMINATE,
7751                         &status);
7752         if (!NT_STATUS_IS_OK(status)) {
7753                 reply_nterror(req, status);
7754                 return;
7755         }
7756
7757         DEBUG(3,("call_trans2mkdir : name = %s\n", directory));
7758
7759         status = filename_convert(ctx,
7760                                 conn,
7761                                 req->flags2 & FLAGS2_DFS_PATHNAMES,
7762                                 directory,
7763                                 0,
7764                                 NULL,
7765                                 &smb_dname);
7766
7767         if (!NT_STATUS_IS_OK(status)) {
7768                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
7769                         reply_botherror(req,
7770                                 NT_STATUS_PATH_NOT_COVERED,
7771                                 ERRSRV, ERRbadpath);
7772                         return;
7773                 }
7774                 reply_nterror(req, status);
7775                 return;
7776         }
7777
7778         /* Any data in this call is an EA list. */
7779         if (total_data && (total_data != 4) && !lp_ea_support(SNUM(conn))) {
7780                 reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
7781                 goto out;
7782         }
7783
7784         /*
7785          * OS/2 workplace shell seems to send SET_EA requests of "null"
7786          * length (4 bytes containing IVAL 4).
7787          * They seem to have no effect. Bug #3212. JRA.
7788          */
7789
7790         if (total_data != 4) {
7791                 if (total_data < 10) {
7792                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7793                         goto out;
7794                 }
7795
7796                 if (IVAL(pdata,0) > total_data) {
7797                         DEBUG(10,("call_trans2mkdir: bad total data size (%u) > %u\n",
7798                                 IVAL(pdata,0), (unsigned int)total_data));
7799                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7800                         goto out;
7801                 }
7802
7803                 ea_list = read_ea_list(talloc_tos(), pdata + 4,
7804                                        total_data - 4);
7805                 if (!ea_list) {
7806                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7807                         goto out;
7808                 }
7809         }
7810         /* If total_data == 4 Windows doesn't care what values
7811          * are placed in that field, it just ignores them.
7812          * The System i QNTC IBM SMB client puts bad values here,
7813          * so ignore them. */
7814
7815         status = create_directory(conn, req, smb_dname);
7816
7817         if (!NT_STATUS_IS_OK(status)) {
7818                 reply_nterror(req, status);
7819                 goto out;
7820         }
7821
7822         /* Try and set any given EA. */
7823         if (ea_list) {
7824                 status = set_ea(conn, NULL, smb_dname, ea_list);
7825                 if (!NT_STATUS_IS_OK(status)) {
7826                         reply_nterror(req, status);
7827                         goto out;
7828                 }
7829         }
7830
7831         /* Realloc the parameter and data sizes */
7832         *pparams = (char *)SMB_REALLOC(*pparams,2);
7833         if(*pparams == NULL) {
7834                 reply_nterror(req, NT_STATUS_NO_MEMORY);
7835                 goto out;
7836         }
7837         params = *pparams;
7838
7839         SSVAL(params,0,0);
7840
7841         send_trans2_replies(conn, req, params, 2, *ppdata, 0, max_data_bytes);
7842
7843  out:
7844         TALLOC_FREE(smb_dname);
7845         return;
7846 }
7847
7848 /****************************************************************************
7849  Reply to a TRANS2_FINDNOTIFYFIRST (start monitoring a directory for changes).
7850  We don't actually do this - we just send a null response.
7851 ****************************************************************************/
7852
7853 static void call_trans2findnotifyfirst(connection_struct *conn,
7854                                        struct smb_request *req,
7855                                        char **pparams, int total_params,
7856                                        char **ppdata, int total_data,
7857                                        unsigned int max_data_bytes)
7858 {
7859         char *params = *pparams;
7860         uint16 info_level;
7861
7862         if (total_params < 6) {
7863                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7864                 return;
7865         }
7866
7867         info_level = SVAL(params,4);
7868         DEBUG(3,("call_trans2findnotifyfirst - info_level %d\n", info_level));
7869
7870         switch (info_level) {
7871                 case 1:
7872                 case 2:
7873                         break;
7874                 default:
7875                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
7876                         return;
7877         }
7878
7879         /* Realloc the parameter and data sizes */
7880         *pparams = (char *)SMB_REALLOC(*pparams,6);
7881         if (*pparams == NULL) {
7882                 reply_nterror(req, NT_STATUS_NO_MEMORY);
7883                 return;
7884         }
7885         params = *pparams;
7886
7887         SSVAL(params,0,fnf_handle);
7888         SSVAL(params,2,0); /* No changes */
7889         SSVAL(params,4,0); /* No EA errors */
7890
7891         fnf_handle++;
7892
7893         if(fnf_handle == 0)
7894                 fnf_handle = 257;
7895
7896         send_trans2_replies(conn, req, params, 6, *ppdata, 0, max_data_bytes);
7897
7898         return;
7899 }
7900
7901 /****************************************************************************
7902  Reply to a TRANS2_FINDNOTIFYNEXT (continue monitoring a directory for
7903  changes). Currently this does nothing.
7904 ****************************************************************************/
7905
7906 static void call_trans2findnotifynext(connection_struct *conn,
7907                                       struct smb_request *req,
7908                                       char **pparams, int total_params,
7909                                       char **ppdata, int total_data,
7910                                       unsigned int max_data_bytes)
7911 {
7912         char *params = *pparams;
7913
7914         DEBUG(3,("call_trans2findnotifynext\n"));
7915
7916         /* Realloc the parameter and data sizes */
7917         *pparams = (char *)SMB_REALLOC(*pparams,4);
7918         if (*pparams == NULL) {
7919                 reply_nterror(req, NT_STATUS_NO_MEMORY);
7920                 return;
7921         }
7922         params = *pparams;
7923
7924         SSVAL(params,0,0); /* No changes */
7925         SSVAL(params,2,0); /* No EA errors */
7926
7927         send_trans2_replies(conn, req, params, 4, *ppdata, 0, max_data_bytes);
7928
7929         return;
7930 }
7931
7932 /****************************************************************************
7933  Reply to a TRANS2_GET_DFS_REFERRAL - Shirish Kalele <kalele@veritas.com>.
7934 ****************************************************************************/
7935
7936 static void call_trans2getdfsreferral(connection_struct *conn,
7937                                       struct smb_request *req,
7938                                       char **pparams, int total_params,
7939                                       char **ppdata, int total_data,
7940                                       unsigned int max_data_bytes)
7941 {
7942         char *params = *pparams;
7943         char *pathname = NULL;
7944         int reply_size = 0;
7945         int max_referral_level;
7946         NTSTATUS status = NT_STATUS_OK;
7947         TALLOC_CTX *ctx = talloc_tos();
7948
7949         DEBUG(10,("call_trans2getdfsreferral\n"));
7950
7951         if (total_params < 3) {
7952                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7953                 return;
7954         }
7955
7956         max_referral_level = SVAL(params,0);
7957
7958         if(!lp_host_msdfs()) {
7959                 reply_doserror(req, ERRDOS, ERRbadfunc);
7960                 return;
7961         }
7962
7963         srvstr_pull_talloc(ctx, params, req->flags2, &pathname, &params[2],
7964                     total_params - 2, STR_TERMINATE);
7965         if (!pathname) {
7966                 reply_nterror(req, NT_STATUS_NOT_FOUND);
7967                 return;
7968         }
7969         if((reply_size = setup_dfs_referral(conn, pathname, max_referral_level,
7970                                             ppdata,&status)) < 0) {
7971                 reply_nterror(req, status);
7972                 return;
7973         }
7974
7975         SSVAL(req->inbuf, smb_flg2,
7976               SVAL(req->inbuf,smb_flg2) | FLAGS2_DFS_PATHNAMES);
7977         send_trans2_replies(conn, req,0,0,*ppdata,reply_size, max_data_bytes);
7978
7979         return;
7980 }
7981
7982 #define LMCAT_SPL       0x53
7983 #define LMFUNC_GETJOBID 0x60
7984
7985 /****************************************************************************
7986  Reply to a TRANS2_IOCTL - used for OS/2 printing.
7987 ****************************************************************************/
7988
7989 static void call_trans2ioctl(connection_struct *conn,
7990                              struct smb_request *req,
7991                              char **pparams, int total_params,
7992                              char **ppdata, int total_data,
7993                              unsigned int max_data_bytes)
7994 {
7995         char *pdata = *ppdata;
7996         files_struct *fsp = file_fsp(req, SVAL(req->vwv+15, 0));
7997
7998         /* check for an invalid fid before proceeding */
7999
8000         if (!fsp) {
8001                 reply_doserror(req, ERRDOS, ERRbadfid);
8002                 return;
8003         }
8004
8005         if ((SVAL(req->vwv+16, 0) == LMCAT_SPL)
8006             && (SVAL(req->vwv+17, 0) == LMFUNC_GETJOBID)) {
8007                 *ppdata = (char *)SMB_REALLOC(*ppdata, 32);
8008                 if (*ppdata == NULL) {
8009                         reply_nterror(req, NT_STATUS_NO_MEMORY);
8010                         return;
8011                 }
8012                 pdata = *ppdata;
8013
8014                 /* NOTE - THIS IS ASCII ONLY AT THE MOMENT - NOT SURE IF OS/2
8015                         CAN ACCEPT THIS IN UNICODE. JRA. */
8016
8017                 SSVAL(pdata,0,fsp->rap_print_jobid);                     /* Job number */
8018                 srvstr_push(pdata, req->flags2, pdata + 2,
8019                             global_myname(), 15,
8020                             STR_ASCII|STR_TERMINATE); /* Our NetBIOS name */
8021                 srvstr_push(pdata, req->flags2, pdata+18,
8022                             lp_servicename(SNUM(conn)), 13,
8023                             STR_ASCII|STR_TERMINATE); /* Service name */
8024                 send_trans2_replies(conn, req, *pparams, 0, *ppdata, 32,
8025                                     max_data_bytes);
8026                 return;
8027         }
8028
8029         DEBUG(2,("Unknown TRANS2_IOCTL\n"));
8030         reply_doserror(req, ERRSRV, ERRerror);
8031 }
8032
8033 /****************************************************************************
8034  Reply to a SMBfindclose (stop trans2 directory search).
8035 ****************************************************************************/
8036
8037 void reply_findclose(struct smb_request *req)
8038 {
8039         int dptr_num;
8040         struct smbd_server_connection *sconn = smbd_server_conn;
8041
8042         START_PROFILE(SMBfindclose);
8043
8044         if (req->wct < 1) {
8045                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8046                 END_PROFILE(SMBfindclose);
8047                 return;
8048         }
8049
8050         dptr_num = SVALS(req->vwv+0, 0);
8051
8052         DEBUG(3,("reply_findclose, dptr_num = %d\n", dptr_num));
8053
8054         dptr_close(sconn, &dptr_num);
8055
8056         reply_outbuf(req, 0, 0);
8057
8058         DEBUG(3,("SMBfindclose dptr_num = %d\n", dptr_num));
8059
8060         END_PROFILE(SMBfindclose);
8061         return;
8062 }
8063
8064 /****************************************************************************
8065  Reply to a SMBfindnclose (stop FINDNOTIFYFIRST directory search).
8066 ****************************************************************************/
8067
8068 void reply_findnclose(struct smb_request *req)
8069 {
8070         int dptr_num;
8071
8072         START_PROFILE(SMBfindnclose);
8073
8074         if (req->wct < 1) {
8075                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8076                 END_PROFILE(SMBfindnclose);
8077                 return;
8078         }
8079
8080         dptr_num = SVAL(req->vwv+0, 0);
8081
8082         DEBUG(3,("reply_findnclose, dptr_num = %d\n", dptr_num));
8083
8084         /* We never give out valid handles for a
8085            findnotifyfirst - so any dptr_num is ok here.
8086            Just ignore it. */
8087
8088         reply_outbuf(req, 0, 0);
8089
8090         DEBUG(3,("SMB_findnclose dptr_num = %d\n", dptr_num));
8091
8092         END_PROFILE(SMBfindnclose);
8093         return;
8094 }
8095
8096 static void handle_trans2(connection_struct *conn, struct smb_request *req,
8097                           struct trans_state *state)
8098 {
8099         if (Protocol >= PROTOCOL_NT1) {
8100                 req->flags2 |= 0x40; /* IS_LONG_NAME */
8101                 SSVAL(req->inbuf,smb_flg2,req->flags2);
8102         }
8103
8104         if (conn->encrypt_level == Required && !req->encrypted) {
8105                 if (state->call != TRANSACT2_QFSINFO &&
8106                                 state->call != TRANSACT2_SETFSINFO) {
8107                         DEBUG(0,("handle_trans2: encryption required "
8108                                 "with call 0x%x\n",
8109                                 (unsigned int)state->call));
8110                         reply_nterror(req, NT_STATUS_ACCESS_DENIED);
8111                         return;
8112                 }
8113         }
8114
8115         SMB_PERFCOUNT_SET_SUBOP(&req->pcd, state->call);
8116
8117         /* Now we must call the relevant TRANS2 function */
8118         switch(state->call)  {
8119         case TRANSACT2_OPEN:
8120         {
8121                 START_PROFILE(Trans2_open);
8122                 call_trans2open(conn, req,
8123                                 &state->param, state->total_param,
8124                                 &state->data, state->total_data,
8125                                 state->max_data_return);
8126                 END_PROFILE(Trans2_open);
8127                 break;
8128         }
8129
8130         case TRANSACT2_FINDFIRST:
8131         {
8132                 START_PROFILE(Trans2_findfirst);
8133                 call_trans2findfirst(conn, req,
8134                                      &state->param, state->total_param,
8135                                      &state->data, state->total_data,
8136                                      state->max_data_return);
8137                 END_PROFILE(Trans2_findfirst);
8138                 break;
8139         }
8140
8141         case TRANSACT2_FINDNEXT:
8142         {
8143                 START_PROFILE(Trans2_findnext);
8144                 call_trans2findnext(conn, req,
8145                                     &state->param, state->total_param,
8146                                     &state->data, state->total_data,
8147                                     state->max_data_return);
8148                 END_PROFILE(Trans2_findnext);
8149                 break;
8150         }
8151
8152         case TRANSACT2_QFSINFO:
8153         {
8154                 START_PROFILE(Trans2_qfsinfo);
8155                 call_trans2qfsinfo(conn, req,
8156                                    &state->param, state->total_param,
8157                                    &state->data, state->total_data,
8158                                    state->max_data_return);
8159                 END_PROFILE(Trans2_qfsinfo);
8160             break;
8161         }
8162
8163         case TRANSACT2_SETFSINFO:
8164         {
8165                 START_PROFILE(Trans2_setfsinfo);
8166                 call_trans2setfsinfo(conn, req,
8167                                      &state->param, state->total_param,
8168                                      &state->data, state->total_data,
8169                                      state->max_data_return);
8170                 END_PROFILE(Trans2_setfsinfo);
8171                 break;
8172         }
8173
8174         case TRANSACT2_QPATHINFO:
8175         case TRANSACT2_QFILEINFO:
8176         {
8177                 START_PROFILE(Trans2_qpathinfo);
8178                 call_trans2qfilepathinfo(conn, req, state->call,
8179                                          &state->param, state->total_param,
8180                                          &state->data, state->total_data,
8181                                          state->max_data_return);
8182                 END_PROFILE(Trans2_qpathinfo);
8183                 break;
8184         }
8185
8186         case TRANSACT2_SETPATHINFO:
8187         case TRANSACT2_SETFILEINFO:
8188         {
8189                 START_PROFILE(Trans2_setpathinfo);
8190                 call_trans2setfilepathinfo(conn, req, state->call,
8191                                            &state->param, state->total_param,
8192                                            &state->data, state->total_data,
8193                                            state->max_data_return);
8194                 END_PROFILE(Trans2_setpathinfo);
8195                 break;
8196         }
8197
8198         case TRANSACT2_FINDNOTIFYFIRST:
8199         {
8200                 START_PROFILE(Trans2_findnotifyfirst);
8201                 call_trans2findnotifyfirst(conn, req,
8202                                            &state->param, state->total_param,
8203                                            &state->data, state->total_data,
8204                                            state->max_data_return);
8205                 END_PROFILE(Trans2_findnotifyfirst);
8206                 break;
8207         }
8208
8209         case TRANSACT2_FINDNOTIFYNEXT:
8210         {
8211                 START_PROFILE(Trans2_findnotifynext);
8212                 call_trans2findnotifynext(conn, req,
8213                                           &state->param, state->total_param,
8214                                           &state->data, state->total_data,
8215                                           state->max_data_return);
8216                 END_PROFILE(Trans2_findnotifynext);
8217                 break;
8218         }
8219
8220         case TRANSACT2_MKDIR:
8221         {
8222                 START_PROFILE(Trans2_mkdir);
8223                 call_trans2mkdir(conn, req,
8224                                  &state->param, state->total_param,
8225                                  &state->data, state->total_data,
8226                                  state->max_data_return);
8227                 END_PROFILE(Trans2_mkdir);
8228                 break;
8229         }
8230
8231         case TRANSACT2_GET_DFS_REFERRAL:
8232         {
8233                 START_PROFILE(Trans2_get_dfs_referral);
8234                 call_trans2getdfsreferral(conn, req,
8235                                           &state->param, state->total_param,
8236                                           &state->data, state->total_data,
8237                                           state->max_data_return);
8238                 END_PROFILE(Trans2_get_dfs_referral);
8239                 break;
8240         }
8241
8242         case TRANSACT2_IOCTL:
8243         {
8244                 START_PROFILE(Trans2_ioctl);
8245                 call_trans2ioctl(conn, req,
8246                                  &state->param, state->total_param,
8247                                  &state->data, state->total_data,
8248                                  state->max_data_return);
8249                 END_PROFILE(Trans2_ioctl);
8250                 break;
8251         }
8252
8253         default:
8254                 /* Error in request */
8255                 DEBUG(2,("Unknown request %d in trans2 call\n", state->call));
8256                 reply_doserror(req, ERRSRV,ERRerror);
8257         }
8258 }
8259
8260 /****************************************************************************
8261  Reply to a SMBtrans2.
8262  ****************************************************************************/
8263
8264 void reply_trans2(struct smb_request *req)
8265 {
8266         connection_struct *conn = req->conn;
8267         unsigned int dsoff;
8268         unsigned int dscnt;
8269         unsigned int psoff;
8270         unsigned int pscnt;
8271         unsigned int tran_call;
8272         struct trans_state *state;
8273         NTSTATUS result;
8274
8275         START_PROFILE(SMBtrans2);
8276
8277         if (req->wct < 14) {
8278                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8279                 END_PROFILE(SMBtrans2);
8280                 return;
8281         }
8282
8283         dsoff = SVAL(req->vwv+12, 0);
8284         dscnt = SVAL(req->vwv+11, 0);
8285         psoff = SVAL(req->vwv+10, 0);
8286         pscnt = SVAL(req->vwv+9, 0);
8287         tran_call = SVAL(req->vwv+14, 0);
8288
8289         result = allow_new_trans(conn->pending_trans, req->mid);
8290         if (!NT_STATUS_IS_OK(result)) {
8291                 DEBUG(2, ("Got invalid trans2 request: %s\n",
8292                           nt_errstr(result)));
8293                 reply_nterror(req, result);
8294                 END_PROFILE(SMBtrans2);
8295                 return;
8296         }
8297
8298         if (IS_IPC(conn)) {
8299                 switch (tran_call) {
8300                 /* List the allowed trans2 calls on IPC$ */
8301                 case TRANSACT2_OPEN:
8302                 case TRANSACT2_GET_DFS_REFERRAL:
8303                 case TRANSACT2_QFILEINFO:
8304                 case TRANSACT2_QFSINFO:
8305                 case TRANSACT2_SETFSINFO:
8306                         break;
8307                 default:
8308                         reply_doserror(req, ERRSRV, ERRaccess);
8309                         END_PROFILE(SMBtrans2);
8310                         return;
8311                 }
8312         }
8313
8314         if ((state = TALLOC_P(conn, struct trans_state)) == NULL) {
8315                 DEBUG(0, ("talloc failed\n"));
8316                 reply_nterror(req, NT_STATUS_NO_MEMORY);
8317                 END_PROFILE(SMBtrans2);
8318                 return;
8319         }
8320
8321         state->cmd = SMBtrans2;
8322
8323         state->mid = req->mid;
8324         state->vuid = req->vuid;
8325         state->setup_count = SVAL(req->vwv+13, 0);
8326         state->setup = NULL;
8327         state->total_param = SVAL(req->vwv+0, 0);
8328         state->param = NULL;
8329         state->total_data =  SVAL(req->vwv+1, 0);
8330         state->data = NULL;
8331         state->max_param_return = SVAL(req->vwv+2, 0);
8332         state->max_data_return  = SVAL(req->vwv+3, 0);
8333         state->max_setup_return = SVAL(req->vwv+4, 0);
8334         state->close_on_completion = BITSETW(req->vwv+5, 0);
8335         state->one_way = BITSETW(req->vwv+5, 1);
8336
8337         state->call = tran_call;
8338
8339         /* All trans2 messages we handle have smb_sucnt == 1 - ensure this
8340            is so as a sanity check */
8341         if (state->setup_count != 1) {
8342                 /*
8343                  * Need to have rc=0 for ioctl to get job id for OS/2.
8344                  *  Network printing will fail if function is not successful.
8345                  *  Similar function in reply.c will be used if protocol
8346                  *  is LANMAN1.0 instead of LM1.2X002.
8347                  *  Until DosPrintSetJobInfo with PRJINFO3 is supported,
8348                  *  outbuf doesn't have to be set(only job id is used).
8349                  */
8350                 if ( (state->setup_count == 4)
8351                      && (tran_call == TRANSACT2_IOCTL)
8352                      && (SVAL(req->vwv+16, 0) == LMCAT_SPL)
8353                      && (SVAL(req->vwv+17, 0) == LMFUNC_GETJOBID)) {
8354                         DEBUG(2,("Got Trans2 DevIOctl jobid\n"));
8355                 } else {
8356                         DEBUG(2,("Invalid smb_sucnt in trans2 call(%u)\n",state->setup_count));
8357                         DEBUG(2,("Transaction is %d\n",tran_call));
8358                         TALLOC_FREE(state);
8359                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8360                         END_PROFILE(SMBtrans2);
8361                         return;
8362                 }
8363         }
8364
8365         if ((dscnt > state->total_data) || (pscnt > state->total_param))
8366                 goto bad_param;
8367
8368         if (state->total_data) {
8369
8370                 if (trans_oob(state->total_data, 0, dscnt)
8371                     || trans_oob(smb_len(req->inbuf), dsoff, dscnt)) {
8372                         goto bad_param;
8373                 }
8374
8375                 /* Can't use talloc here, the core routines do realloc on the
8376                  * params and data. */
8377                 state->data = (char *)SMB_MALLOC(state->total_data);
8378                 if (state->data == NULL) {
8379                         DEBUG(0,("reply_trans2: data malloc fail for %u "
8380                                  "bytes !\n", (unsigned int)state->total_data));
8381                         TALLOC_FREE(state);
8382                         reply_nterror(req, NT_STATUS_NO_MEMORY);
8383                         END_PROFILE(SMBtrans2);
8384                         return;
8385                 }
8386
8387                 memcpy(state->data,smb_base(req->inbuf)+dsoff,dscnt);
8388         }
8389
8390         if (state->total_param) {
8391
8392                 if (trans_oob(state->total_param, 0, pscnt)
8393                     || trans_oob(smb_len(req->inbuf), psoff, pscnt)) {
8394                         goto bad_param;
8395                 }
8396
8397                 /* Can't use talloc here, the core routines do realloc on the
8398                  * params and data. */
8399                 state->param = (char *)SMB_MALLOC(state->total_param);
8400                 if (state->param == NULL) {
8401                         DEBUG(0,("reply_trans: param malloc fail for %u "
8402                                  "bytes !\n", (unsigned int)state->total_param));
8403                         SAFE_FREE(state->data);
8404                         TALLOC_FREE(state);
8405                         reply_nterror(req, NT_STATUS_NO_MEMORY);
8406                         END_PROFILE(SMBtrans2);
8407                         return;
8408                 }
8409
8410                 memcpy(state->param,smb_base(req->inbuf)+psoff,pscnt);
8411         }
8412
8413         state->received_data  = dscnt;
8414         state->received_param = pscnt;
8415
8416         if ((state->received_param == state->total_param) &&
8417             (state->received_data == state->total_data)) {
8418
8419                 handle_trans2(conn, req, state);
8420
8421                 SAFE_FREE(state->data);
8422                 SAFE_FREE(state->param);
8423                 TALLOC_FREE(state);
8424                 END_PROFILE(SMBtrans2);
8425                 return;
8426         }
8427
8428         DLIST_ADD(conn->pending_trans, state);
8429
8430         /* We need to send an interim response then receive the rest
8431            of the parameter/data bytes */
8432         reply_outbuf(req, 0, 0);
8433         show_msg((char *)req->outbuf);
8434         END_PROFILE(SMBtrans2);
8435         return;
8436
8437   bad_param:
8438
8439         DEBUG(0,("reply_trans2: invalid trans parameters\n"));
8440         SAFE_FREE(state->data);
8441         SAFE_FREE(state->param);
8442         TALLOC_FREE(state);
8443         END_PROFILE(SMBtrans2);
8444         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8445 }
8446
8447
8448 /****************************************************************************
8449  Reply to a SMBtranss2
8450  ****************************************************************************/
8451
8452 void reply_transs2(struct smb_request *req)
8453 {
8454         connection_struct *conn = req->conn;
8455         unsigned int pcnt,poff,dcnt,doff,pdisp,ddisp;
8456         struct trans_state *state;
8457
8458         START_PROFILE(SMBtranss2);
8459
8460         show_msg((char *)req->inbuf);
8461
8462         if (req->wct < 8) {
8463                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8464                 END_PROFILE(SMBtranss2);
8465                 return;
8466         }
8467
8468         for (state = conn->pending_trans; state != NULL;
8469              state = state->next) {
8470                 if (state->mid == req->mid) {
8471                         break;
8472                 }
8473         }
8474
8475         if ((state == NULL) || (state->cmd != SMBtrans2)) {
8476                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8477                 END_PROFILE(SMBtranss2);
8478                 return;
8479         }
8480
8481         /* Revise state->total_param and state->total_data in case they have
8482            changed downwards */
8483
8484         if (SVAL(req->vwv+0, 0) < state->total_param)
8485                 state->total_param = SVAL(req->vwv+0, 0);
8486         if (SVAL(req->vwv+1, 0) < state->total_data)
8487                 state->total_data = SVAL(req->vwv+1, 0);
8488
8489         pcnt = SVAL(req->vwv+2, 0);
8490         poff = SVAL(req->vwv+3, 0);
8491         pdisp = SVAL(req->vwv+4, 0);
8492
8493         dcnt = SVAL(req->vwv+5, 0);
8494         doff = SVAL(req->vwv+6, 0);
8495         ddisp = SVAL(req->vwv+7, 0);
8496
8497         state->received_param += pcnt;
8498         state->received_data += dcnt;
8499
8500         if ((state->received_data > state->total_data) ||
8501             (state->received_param > state->total_param))
8502                 goto bad_param;
8503
8504         if (pcnt) {
8505                 if (trans_oob(state->total_param, pdisp, pcnt)
8506                     || trans_oob(smb_len(req->inbuf), poff, pcnt)) {
8507                         goto bad_param;
8508                 }
8509                 memcpy(state->param+pdisp,smb_base(req->inbuf)+poff,pcnt);
8510         }
8511
8512         if (dcnt) {
8513                 if (trans_oob(state->total_data, ddisp, dcnt)
8514                     || trans_oob(smb_len(req->inbuf), doff, dcnt)) {
8515                         goto bad_param;
8516                 }
8517                 memcpy(state->data+ddisp, smb_base(req->inbuf)+doff,dcnt);
8518         }
8519
8520         if ((state->received_param < state->total_param) ||
8521             (state->received_data < state->total_data)) {
8522                 END_PROFILE(SMBtranss2);
8523                 return;
8524         }
8525
8526         handle_trans2(conn, req, state);
8527
8528         DLIST_REMOVE(conn->pending_trans, state);
8529         SAFE_FREE(state->data);
8530         SAFE_FREE(state->param);
8531         TALLOC_FREE(state);
8532
8533         END_PROFILE(SMBtranss2);
8534         return;
8535
8536   bad_param:
8537
8538         DEBUG(0,("reply_transs2: invalid trans parameters\n"));
8539         DLIST_REMOVE(conn->pending_trans, state);
8540         SAFE_FREE(state->data);
8541         SAFE_FREE(state->param);
8542         TALLOC_FREE(state);
8543         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8544         END_PROFILE(SMBtranss2);
8545         return;
8546 }