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