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