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
  28 extern int max_send;
  29 extern enum protocol_types Protocol;
  30 extern uint32 global_client_caps;
  31
  32 #define get_file_size(sbuf) ((sbuf).st_size)
  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  Given a stat buffer return the allocated size on disk, taking into
  64  account sparse files.
  65 ********************************************************************/
  66
  67 uint64_t get_allocation_size(connection_struct *conn, files_struct *fsp, const SMB_STRUCT_STAT *sbuf)
  68 {
  69         uint64_t ret;
  70
  71         if(S_ISDIR(sbuf->st_mode)) {
  72                 return 0;
  73         }
  74
  75 #if defined(HAVE_STAT_ST_BLOCKS) && defined(STAT_ST_BLOCKSIZE)
  76         ret = (uint64_t)STAT_ST_BLOCKSIZE * (uint64_t)sbuf->st_blocks;
  77 #else
  78         ret = (uint64_t)get_file_size(*sbuf);
  79 #endif
  80
  81         if (fsp && fsp->initial_allocation_size)
  82                 ret = MAX(ret,fsp->initial_allocation_size);
  83
  84         return smb_roundup(conn, ret);
  85 }
  86
  87 /****************************************************************************
  88  Utility functions for dealing with extended attributes.
  89 ****************************************************************************/
  90
  91 /****************************************************************************
  92  Refuse to allow clients to overwrite our private xattrs.
  93 ****************************************************************************/
  94
  95 static bool samba_private_attr_name(const char *unix_ea_name)
  96 {
  97         static const char *prohibited_ea_names[] = {
  98                 SAMBA_POSIX_INHERITANCE_EA_NAME,
  99                 SAMBA_XATTR_DOS_ATTRIB,
 100                 NULL
 101         };
 102
 103         int i;
 104
 105         for (i = 0; prohibited_ea_names[i]; i++) {
 106                 if (strequal( prohibited_ea_names[i], unix_ea_name))
 107                         return true;
 108         }
 109         if (StrnCaseCmp(unix_ea_name, SAMBA_XATTR_DOSSTREAM_PREFIX,
 110                         strlen(SAMBA_XATTR_DOSSTREAM_PREFIX)) == 0) {
 111                 return true;
 112         }
 113         return false;
 114 }
 115
 116 /****************************************************************************
 117  Get one EA value. Fill in a struct ea_struct.
 118 ****************************************************************************/
 119
 120 NTSTATUS get_ea_value(TALLOC_CTX *mem_ctx, connection_struct *conn,
 121                       files_struct *fsp, const char *fname,
 122                       const char *ea_name, struct ea_struct *pea)
 123 {
 124         /* Get the value of this xattr. Max size is 64k. */
 125         size_t attr_size = 256;
 126         char *val = NULL;
 127         ssize_t sizeret;
 128
 129  again:
 130
 131         val = TALLOC_REALLOC_ARRAY(mem_ctx, val, char, attr_size);
 132         if (!val) {
 133                 return NT_STATUS_NO_MEMORY;
 134         }
 135
 136         if (fsp && fsp->fh->fd != -1) {
 137                 sizeret = SMB_VFS_FGETXATTR(fsp, ea_name, val, attr_size);
 138         } else {
 139                 sizeret = SMB_VFS_GETXATTR(conn, fname, ea_name, val, attr_size);
 140         }
 141
 142         if (sizeret == -1 && errno == ERANGE && attr_size != 65536) {
 143                 attr_size = 65536;
 144                 goto again;
 145         }
 146
 147         if (sizeret == -1) {
 148                 return map_nt_error_from_unix(errno);
 149         }
 150
 151         DEBUG(10,("get_ea_value: EA %s is of length %u\n", ea_name, (unsigned int)sizeret));
 152         dump_data(10, (uint8 *)val, sizeret);
 153
 154         pea->flags = 0;
 155         if (strnequal(ea_name, "user.", 5)) {
 156                 pea->name = talloc_strdup(mem_ctx, &ea_name[5]);
 157         } else {
 158                 pea->name = talloc_strdup(mem_ctx, ea_name);
 159         }
 160         if (pea->name == NULL) {
 161                 TALLOC_FREE(val);
 162                 return NT_STATUS_NO_MEMORY;
 163         }
 164         pea->value.data = (unsigned char *)val;
 165         pea->value.length = (size_t)sizeret;
 166         return NT_STATUS_OK;
 167 }
 168
 169 NTSTATUS get_ea_names_from_file(TALLOC_CTX *mem_ctx, connection_struct *conn,
 170                                 files_struct *fsp, const char *fname,
 171                                 char ***pnames, size_t *pnum_names)
 172 {
 173         /* Get a list of all xattrs. Max namesize is 64k. */
 174         size_t ea_namelist_size = 1024;
 175         char *ea_namelist = NULL;
 176
 177         char *p;
 178         char **names, **tmp;
 179         size_t num_names;
 180         ssize_t sizeret = -1;
 181
 182         if (!lp_ea_support(SNUM(conn))) {
 183                 *pnames = NULL;
 184                 *pnum_names = 0;
 185                 return NT_STATUS_OK;
 186         }
 187
 188         /*
 189          * TALLOC the result early to get the talloc hierarchy right.
 190          */
 191
 192         names = TALLOC_ARRAY(mem_ctx, char *, 1);
 193         if (names == NULL) {
 194                 DEBUG(0, ("talloc failed\n"));
 195                 return NT_STATUS_NO_MEMORY;
 196         }
 197
 198         while (ea_namelist_size <= 65536) {
 199
 200                 ea_namelist = TALLOC_REALLOC_ARRAY(
 201                         names, ea_namelist, char, ea_namelist_size);
 202                 if (ea_namelist == NULL) {
 203                         DEBUG(0, ("talloc failed\n"));
 204                         TALLOC_FREE(names);
 205                         return NT_STATUS_NO_MEMORY;
 206                 }
 207
 208                 if (fsp && fsp->fh->fd != -1) {
 209                         sizeret = SMB_VFS_FLISTXATTR(fsp, ea_namelist,
 210                                                      ea_namelist_size);
 211                 } else {
 212                         sizeret = SMB_VFS_LISTXATTR(conn, fname, ea_namelist,
 213                                                     ea_namelist_size);
 214                 }
 215
 216                 if ((sizeret == -1) && (errno == ERANGE)) {
 217                         ea_namelist_size *= 2;
 218                 }
 219                 else {
 220                         break;
 221                 }
 222         }
 223
 224         if (sizeret == -1) {
 225                 TALLOC_FREE(names);
 226                 return map_nt_error_from_unix(errno);
 227         }
 228
 229         DEBUG(10, ("get_ea_list_from_file: ea_namelist size = %u\n",
 230                    (unsigned int)sizeret));
 231
 232         if (sizeret == 0) {
 233                 TALLOC_FREE(names);
 234                 *pnames = NULL;
 235                 *pnum_names = 0;
 236                 return NT_STATUS_OK;
 237         }
 238
 239         /*
 240          * Ensure the result is 0-terminated
 241          */
 242
 243         if (ea_namelist[sizeret-1] != '\0') {
 244                 TALLOC_FREE(names);
 245                 return NT_STATUS_INTERNAL_ERROR;
 246         }
 247
 248         /*
 249          * count the names
 250          */
 251         num_names = 0;
 252
 253         for (p = ea_namelist; p - ea_namelist < sizeret; p += strlen(p)+1) {
 254                 num_names += 1;
 255         }
 256
 257         tmp = TALLOC_REALLOC_ARRAY(mem_ctx, names, char *, num_names);
 258         if (tmp == NULL) {
 259                 DEBUG(0, ("talloc failed\n"));
 260                 TALLOC_FREE(names);
 261                 return NT_STATUS_NO_MEMORY;
 262         }
 263
 264         names = tmp;
 265         num_names = 0;
 266
 267         for (p = ea_namelist; p - ea_namelist < sizeret; p += strlen(p)+1) {
 268                 names[num_names++] = p;
 269         }
 270
 271         *pnames = names;
 272         *pnum_names = num_names;
 273         return NT_STATUS_OK;
 274 }
 275
 276 /****************************************************************************
 277  Return a linked list of the total EA's. Plus the total size
 278 ****************************************************************************/
 279
 280 static struct ea_list *get_ea_list_from_file(TALLOC_CTX *mem_ctx, connection_struct *conn, files_struct *fsp,
 281                                         const char *fname, size_t *pea_total_len)
 282 {
 283         /* Get a list of all xattrs. Max namesize is 64k. */
 284         size_t i, num_names;
 285         char **names;
 286         struct ea_list *ea_list_head = NULL;
 287         NTSTATUS status;
 288
 289         *pea_total_len = 0;
 290
 291         if (!lp_ea_support(SNUM(conn))) {
 292                 return NULL;
 293         }
 294
 295         status = get_ea_names_from_file(talloc_tos(), conn, fsp, fname,
 296                                         &names, &num_names);
 297
 298         if (!NT_STATUS_IS_OK(status) || (num_names == 0)) {
 299                 return NULL;
 300         }
 301
 302         for (i=0; i<num_names; i++) {
 303                 struct ea_list *listp;
 304                 fstring dos_ea_name;
 305
 306                 if (strnequal(names[i], "system.", 7)
 307                     || samba_private_attr_name(names[i]))
 308                         continue;
 309
 310                 listp = TALLOC_P(mem_ctx, struct ea_list);
 311                 if (listp == NULL) {
 312                         return NULL;
 313                 }
 314
 315                 if (!NT_STATUS_IS_OK(get_ea_value(mem_ctx, conn, fsp,
 316                                                   fname, names[i],
 317                                                   &listp->ea))) {
 318                         return NULL;
 319                 }
 320
 321                 push_ascii_fstring(dos_ea_name, listp->ea.name);
 322
 323                 *pea_total_len +=
 324                         4 + strlen(dos_ea_name) + 1 + listp->ea.value.length;
 325
 326                 DEBUG(10,("get_ea_list_from_file: total_len = %u, %s, val len "
 327                           "= %u\n", (unsigned int)*pea_total_len, dos_ea_name,
 328                           (unsigned int)listp->ea.value.length));
 329
 330                 DLIST_ADD_END(ea_list_head, listp, struct ea_list *);
 331
 332         }
 333
 334         /* Add on 4 for total length. */
 335         if (*pea_total_len) {
 336                 *pea_total_len += 4;
 337         }
 338
 339         DEBUG(10, ("get_ea_list_from_file: total_len = %u\n",
 340                    (unsigned int)*pea_total_len));
 341
 342         return ea_list_head;
 343 }
 344
 345 /****************************************************************************
 346  Fill a qfilepathinfo buffer with EA's. Returns the length of the buffer
 347  that was filled.
 348 ****************************************************************************/
 349
 350 static unsigned int fill_ea_buffer(TALLOC_CTX *mem_ctx, char *pdata, unsigned int total_data_size,
 351         connection_struct *conn, struct ea_list *ea_list)
 352 {
 353         unsigned int ret_data_size = 4;
 354         char *p = pdata;
 355
 356         SMB_ASSERT(total_data_size >= 4);
 357
 358         if (!lp_ea_support(SNUM(conn))) {
 359                 SIVAL(pdata,4,0);
 360                 return 4;
 361         }
 362
 363         for (p = pdata + 4; ea_list; ea_list = ea_list->next) {
 364                 size_t dos_namelen;
 365                 fstring dos_ea_name;
 366                 push_ascii_fstring(dos_ea_name, ea_list->ea.name);
 367                 dos_namelen = strlen(dos_ea_name);
 368                 if (dos_namelen > 255 || dos_namelen == 0) {
 369                         break;
 370                 }
 371                 if (ea_list->ea.value.length > 65535) {
 372                         break;
 373                 }
 374                 if (4 + dos_namelen + 1 + ea_list->ea.value.length > total_data_size) {
 375                         break;
 376                 }
 377
 378                 /* We know we have room. */
 379                 SCVAL(p,0,ea_list->ea.flags);
 380                 SCVAL(p,1,dos_namelen);
 381                 SSVAL(p,2,ea_list->ea.value.length);
 382                 fstrcpy(p+4, dos_ea_name);
 383                 memcpy( p + 4 + dos_namelen + 1, ea_list->ea.value.data, ea_list->ea.value.length);
 384
 385                 total_data_size -= 4 + dos_namelen + 1 + ea_list->ea.value.length;
 386                 p += 4 + dos_namelen + 1 + ea_list->ea.value.length;
 387         }
 388
 389         ret_data_size = PTR_DIFF(p, pdata);
 390         DEBUG(10,("fill_ea_buffer: data_size = %u\n", ret_data_size ));
 391         SIVAL(pdata,0,ret_data_size);
 392         return ret_data_size;
 393 }
 394
 395 static unsigned int estimate_ea_size(connection_struct *conn, files_struct *fsp, const char *fname)
 396 {
 397         size_t total_ea_len = 0;
 398         TALLOC_CTX *mem_ctx = NULL;
 399
 400         if (!lp_ea_support(SNUM(conn))) {
 401                 return 0;
 402         }
 403         mem_ctx = talloc_tos();
 404         (void)get_ea_list_from_file(mem_ctx, conn, fsp, fname, &total_ea_len);
 405         return total_ea_len;
 406 }
 407
 408 /****************************************************************************
 409  Ensure the EA name is case insensitive by matching any existing EA name.
 410 ****************************************************************************/
 411
 412 static void canonicalize_ea_name(connection_struct *conn, files_struct *fsp, const char *fname, fstring unix_ea_name)
 413 {
 414         size_t total_ea_len;
 415         TALLOC_CTX *mem_ctx = talloc_tos();
 416         struct ea_list *ea_list = get_ea_list_from_file(mem_ctx, conn, fsp, fname, &total_ea_len);
 417
 418         for (; ea_list; ea_list = ea_list->next) {
 419                 if (strequal(&unix_ea_name[5], ea_list->ea.name)) {
 420                         DEBUG(10,("canonicalize_ea_name: %s -> %s\n",
 421                                 &unix_ea_name[5], ea_list->ea.name));
 422                         safe_strcpy(&unix_ea_name[5], ea_list->ea.name, sizeof(fstring)-6);
 423                         break;
 424                 }
 425         }
 426 }
 427
 428 /****************************************************************************
 429  Set or delete an extended attribute.
 430 ****************************************************************************/
 431
 432 NTSTATUS set_ea(connection_struct *conn, files_struct *fsp, const char *fname, struct ea_list *ea_list)
 433 {
 434         if (!lp_ea_support(SNUM(conn))) {
 435                 return NT_STATUS_EAS_NOT_SUPPORTED;
 436         }
 437
 438         for (;ea_list; ea_list = ea_list->next) {
 439                 int ret;
 440                 fstring unix_ea_name;
 441
 442                 fstrcpy(unix_ea_name, "user."); /* All EA's must start with user. */
 443                 fstrcat(unix_ea_name, ea_list->ea.name);
 444
 445                 canonicalize_ea_name(conn, fsp, fname, unix_ea_name);
 446
 447                 DEBUG(10,("set_ea: ea_name %s ealen = %u\n", unix_ea_name, (unsigned int)ea_list->ea.value.length));
 448
 449                 if (samba_private_attr_name(unix_ea_name)) {
 450                         DEBUG(10,("set_ea: ea name %s is a private Samba name.\n", unix_ea_name));
 451                         return NT_STATUS_ACCESS_DENIED;
 452                 }
 453
 454                 if (ea_list->ea.value.length == 0) {
 455                         /* Remove the attribute. */
 456                         if (fsp && (fsp->fh->fd != -1)) {
 457                                 DEBUG(10,("set_ea: deleting ea name %s on file %s by file descriptor.\n",
 458                                         unix_ea_name, fsp->fsp_name));
 459                                 ret = SMB_VFS_FREMOVEXATTR(fsp, unix_ea_name);
 460                         } else {
 461                                 DEBUG(10,("set_ea: deleting ea name %s on file %s.\n",
 462                                         unix_ea_name, fname));
 463                                 ret = SMB_VFS_REMOVEXATTR(conn, fname, unix_ea_name);
 464                         }
 465 #ifdef ENOATTR
 466                         /* Removing a non existent attribute always succeeds. */
 467                         if (ret == -1 && errno == ENOATTR) {
 468                                 DEBUG(10,("set_ea: deleting ea name %s didn't exist - succeeding by default.\n",
 469                                                 unix_ea_name));
 470                                 ret = 0;
 471                         }
 472 #endif
 473                 } else {
 474                         if (fsp && (fsp->fh->fd != -1)) {
 475                                 DEBUG(10,("set_ea: setting ea name %s on file %s by file descriptor.\n",
 476                                         unix_ea_name, fsp->fsp_name));
 477                                 ret = SMB_VFS_FSETXATTR(fsp, unix_ea_name,
 478                                                         ea_list->ea.value.data, ea_list->ea.value.length, 0);
 479                         } else {
 480                                 DEBUG(10,("set_ea: setting ea name %s on file %s.\n",
 481                                         unix_ea_name, fname));
 482                                 ret = SMB_VFS_SETXATTR(conn, fname, unix_ea_name,
 483                                                         ea_list->ea.value.data, ea_list->ea.value.length, 0);
 484                         }
 485                 }
 486
 487                 if (ret == -1) {
 488 #ifdef ENOTSUP
 489                         if (errno == ENOTSUP) {
 490                                 return NT_STATUS_EAS_NOT_SUPPORTED;
 491                         }
 492 #endif
 493                         return map_nt_error_from_unix(errno);
 494                 }
 495
 496         }
 497         return NT_STATUS_OK;
 498 }
 499 /****************************************************************************
 500  Read a list of EA names from an incoming data buffer. Create an ea_list with them.
 501 ****************************************************************************/
 502
 503 static struct ea_list *read_ea_name_list(TALLOC_CTX *ctx, const char *pdata, size_t data_size)
 504 {
 505         struct ea_list *ea_list_head = NULL;
 506         size_t converted_size, offset = 0;
 507
 508         while (offset + 2 < data_size) {
 509                 struct ea_list *eal = TALLOC_ZERO_P(ctx, struct ea_list);
 510                 unsigned int namelen = CVAL(pdata,offset);
 511
 512                 offset++; /* Go past the namelen byte. */
 513
 514                 /* integer wrap paranioa. */
 515                 if ((offset + namelen < offset) || (offset + namelen < namelen) ||
 516                                 (offset > data_size) || (namelen > data_size) ||
 517                                 (offset + namelen >= data_size)) {
 518                         break;
 519                 }
 520                 /* Ensure the name is null terminated. */
 521                 if (pdata[offset + namelen] != '\0') {
 522                         return NULL;
 523                 }
 524                 if (!pull_ascii_talloc(ctx, &eal->ea.name, &pdata[offset],
 525                                        &converted_size)) {
 526                         DEBUG(0,("read_ea_name_list: pull_ascii_talloc "
 527                                  "failed: %s", strerror(errno)));
 528                 }
 529                 if (!eal->ea.name) {
 530                         return NULL;
 531                 }
 532
 533                 offset += (namelen + 1); /* Go past the name + terminating zero. */
 534                 DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
 535                 DEBUG(10,("read_ea_name_list: read ea name %s\n", eal->ea.name));
 536         }
 537
 538         return ea_list_head;
 539 }
 540
 541 /****************************************************************************
 542  Read one EA list entry from the buffer.
 543 ****************************************************************************/
 544
 545 struct ea_list *read_ea_list_entry(TALLOC_CTX *ctx, const char *pdata, size_t data_size, size_t *pbytes_used)
 546 {
 547         struct ea_list *eal = TALLOC_ZERO_P(ctx, struct ea_list);
 548         uint16 val_len;
 549         unsigned int namelen;
 550         size_t converted_size;
 551
 552         if (!eal) {
 553                 return NULL;
 554         }
 555
 556         if (data_size < 6) {
 557                 return NULL;
 558         }
 559
 560         eal->ea.flags = CVAL(pdata,0);
 561         namelen = CVAL(pdata,1);
 562         val_len = SVAL(pdata,2);
 563
 564         if (4 + namelen + 1 + val_len > data_size) {
 565                 return NULL;
 566         }
 567
 568         /* Ensure the name is null terminated. */
 569         if (pdata[namelen + 4] != '\0') {
 570                 return NULL;
 571         }
 572         if (!pull_ascii_talloc(ctx, &eal->ea.name, pdata + 4, &converted_size)) {
 573                 DEBUG(0,("read_ea_list_entry: pull_ascii_talloc failed: %s",
 574                          strerror(errno)));
 575         }
 576         if (!eal->ea.name) {
 577                 return NULL;
 578         }
 579
 580         eal->ea.value = data_blob_talloc(eal, NULL, (size_t)val_len + 1);
 581         if (!eal->ea.value.data) {
 582                 return NULL;
 583         }
 584
 585         memcpy(eal->ea.value.data, pdata + 4 + namelen + 1, val_len);
 586
 587         /* Ensure we're null terminated just in case we print the value. */
 588         eal->ea.value.data[val_len] = '\0';
 589         /* But don't count the null. */
 590         eal->ea.value.length--;
 591
 592         if (pbytes_used) {
 593                 *pbytes_used = 4 + namelen + 1 + val_len;
 594         }
 595
 596         DEBUG(10,("read_ea_list_entry: read ea name %s\n", eal->ea.name));
 597         dump_data(10, eal->ea.value.data, eal->ea.value.length);
 598
 599         return eal;
 600 }
 601
 602 /****************************************************************************
 603  Read a list of EA names and data from an incoming data buffer. Create an ea_list with them.
 604 ****************************************************************************/
 605
 606 static struct ea_list *read_ea_list(TALLOC_CTX *ctx, const char *pdata, size_t data_size)
 607 {
 608         struct ea_list *ea_list_head = NULL;
 609         size_t offset = 0;
 610         size_t bytes_used = 0;
 611
 612         while (offset < data_size) {
 613                 struct ea_list *eal = read_ea_list_entry(ctx, pdata + offset, data_size - offset, &bytes_used);
 614
 615                 if (!eal) {
 616                         return NULL;
 617                 }
 618
 619                 DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
 620                 offset += bytes_used;
 621         }
 622
 623         return ea_list_head;
 624 }
 625
 626 /****************************************************************************
 627  Count the total EA size needed.
 628 ****************************************************************************/
 629
 630 static size_t ea_list_size(struct ea_list *ealist)
 631 {
 632         fstring dos_ea_name;
 633         struct ea_list *listp;
 634         size_t ret = 0;
 635
 636         for (listp = ealist; listp; listp = listp->next) {
 637                 push_ascii_fstring(dos_ea_name, listp->ea.name);
 638                 ret += 4 + strlen(dos_ea_name) + 1 + listp->ea.value.length;
 639         }
 640         /* Add on 4 for total length. */
 641         if (ret) {
 642                 ret += 4;
 643         }
 644
 645         return ret;
 646 }
 647
 648 /****************************************************************************
 649  Return a union of EA's from a file list and a list of names.
 650  The TALLOC context for the two lists *MUST* be identical as we steal
 651  memory from one list to add to another. JRA.
 652 ****************************************************************************/
 653
 654 static struct ea_list *ea_list_union(struct ea_list *name_list, struct ea_list *file_list, size_t *total_ea_len)
 655 {
 656         struct ea_list *nlistp, *flistp;
 657
 658         for (nlistp = name_list; nlistp; nlistp = nlistp->next) {
 659                 for (flistp = file_list; flistp; flistp = flistp->next) {
 660                         if (strequal(nlistp->ea.name, flistp->ea.name)) {
 661                                 break;
 662                         }
 663                 }
 664
 665                 if (flistp) {
 666                         /* Copy the data from this entry. */
 667                         nlistp->ea.flags = flistp->ea.flags;
 668                         nlistp->ea.value = flistp->ea.value;
 669                 } else {
 670                         /* Null entry. */
 671                         nlistp->ea.flags = 0;
 672                         ZERO_STRUCT(nlistp->ea.value);
 673                 }
 674         }
 675
 676         *total_ea_len = ea_list_size(name_list);
 677         return name_list;
 678 }
 679
 680 /****************************************************************************
 681   Send the required number of replies back.
 682   We assume all fields other than the data fields are
 683   set correctly for the type of call.
 684   HACK ! Always assumes smb_setup field is zero.
 685 ****************************************************************************/
 686
 687 void send_trans2_replies(connection_struct *conn,
 688                         struct smb_request *req,
 689                          const char *params,
 690                          int paramsize,
 691                          const char *pdata,
 692                          int datasize,
 693                          int max_data_bytes)
 694 {
 695         /* As we are using a protocol > LANMAN1 then the max_send
 696          variable must have been set in the sessetupX call.
 697          This takes precedence over the max_xmit field in the
 698          global struct. These different max_xmit variables should
 699          be merged as this is now too confusing */
 700
 701         int data_to_send = datasize;
 702         int params_to_send = paramsize;
 703         int useable_space;
 704         const char *pp = params;
 705         const char *pd = pdata;
 706         int params_sent_thistime, data_sent_thistime, total_sent_thistime;
 707         int alignment_offset = 1; /* JRA. This used to be 3. Set to 1 to make netmon parse ok. */
 708         int data_alignment_offset = 0;
 709         bool overflow = False;
 710
 711         /* Modify the data_to_send and datasize and set the error if
 712            we're trying to send more than max_data_bytes. We still send
 713            the part of the packet(s) that fit. Strange, but needed
 714            for OS/2. */
 715
 716         if (max_data_bytes > 0 && datasize > max_data_bytes) {
 717                 DEBUG(5,("send_trans2_replies: max_data_bytes %d exceeded by data %d\n",
 718                         max_data_bytes, datasize ));
 719                 datasize = data_to_send = max_data_bytes;
 720                 overflow = True;
 721         }
 722
 723         /* If there genuinely are no parameters or data to send just send the empty packet */
 724
 725         if(params_to_send == 0 && data_to_send == 0) {
 726                 reply_outbuf(req, 10, 0);
 727                 show_msg((char *)req->outbuf);
 728                 return;
 729         }
 730
 731         /* When sending params and data ensure that both are nicely aligned */
 732         /* Only do this alignment when there is also data to send - else
 733                 can cause NT redirector problems. */
 734
 735         if (((params_to_send % 4) != 0) && (data_to_send != 0))
 736                 data_alignment_offset = 4 - (params_to_send % 4);
 737
 738         /* Space is bufsize minus Netbios over TCP header minus SMB header */
 739         /* The alignment_offset is to align the param bytes on an even byte
 740                 boundary. NT 4.0 Beta needs this to work correctly. */
 741
 742         useable_space = max_send - (smb_size
 743                                     + 2 * 10 /* wct */
 744                                     + alignment_offset
 745                                     + data_alignment_offset);
 746
 747         if (useable_space < 0) {
 748                 DEBUG(0, ("send_trans2_replies failed sanity useable_space "
 749                           "= %d!!!", useable_space));
 750                 exit_server_cleanly("send_trans2_replies: Not enough space");
 751         }
 752
 753         while (params_to_send || data_to_send) {
 754                 /* Calculate whether we will totally or partially fill this packet */
 755
 756                 total_sent_thistime = params_to_send + data_to_send;
 757
 758                 /* We can never send more than useable_space */
 759                 /*
 760                  * Note that 'useable_space' does not include the alignment offsets,
 761                  * but we must include the alignment offsets in the calculation of
 762                  * the length of the data we send over the wire, as the alignment offsets
 763                  * are sent here. Fix from Marc_Jacobsen@hp.com.
 764                  */
 765
 766                 total_sent_thistime = MIN(total_sent_thistime, useable_space);
 767
 768                 reply_outbuf(req, 10, total_sent_thistime + alignment_offset
 769                              + data_alignment_offset);
 770
 771                 /*
 772                  * We might have SMBtrans2s in req which was transferred to
 773                  * the outbuf, fix that.
 774                  */
 775                 SCVAL(req->outbuf, smb_com, SMBtrans2);
 776
 777                 /* Set total params and data to be sent */
 778                 SSVAL(req->outbuf,smb_tprcnt,paramsize);
 779                 SSVAL(req->outbuf,smb_tdrcnt,datasize);
 780
 781                 /* Calculate how many parameters and data we can fit into
 782                  * this packet. Parameters get precedence
 783                  */
 784
 785                 params_sent_thistime = MIN(params_to_send,useable_space);
 786                 data_sent_thistime = useable_space - params_sent_thistime;
 787                 data_sent_thistime = MIN(data_sent_thistime,data_to_send);
 788
 789                 SSVAL(req->outbuf,smb_prcnt, params_sent_thistime);
 790
 791                 /* smb_proff is the offset from the start of the SMB header to the
 792                         parameter bytes, however the first 4 bytes of outbuf are
 793                         the Netbios over TCP header. Thus use smb_base() to subtract
 794                         them from the calculation */
 795
 796                 SSVAL(req->outbuf,smb_proff,
 797                       ((smb_buf(req->outbuf)+alignment_offset)
 798                        - smb_base(req->outbuf)));
 799
 800                 if(params_sent_thistime == 0)
 801                         SSVAL(req->outbuf,smb_prdisp,0);
 802                 else
 803                         /* Absolute displacement of param bytes sent in this packet */
 804                         SSVAL(req->outbuf,smb_prdisp,pp - params);
 805
 806                 SSVAL(req->outbuf,smb_drcnt, data_sent_thistime);
 807                 if(data_sent_thistime == 0) {
 808                         SSVAL(req->outbuf,smb_droff,0);
 809                         SSVAL(req->outbuf,smb_drdisp, 0);
 810                 } else {
 811                         /* The offset of the data bytes is the offset of the
 812                                 parameter bytes plus the number of parameters being sent this time */
 813                         SSVAL(req->outbuf, smb_droff,
 814                               ((smb_buf(req->outbuf)+alignment_offset)
 815                                - smb_base(req->outbuf))
 816                               + params_sent_thistime + data_alignment_offset);
 817                         SSVAL(req->outbuf,smb_drdisp, pd - pdata);
 818                 }
 819
 820                 /* Initialize the padding for alignment */
 821
 822                 if (alignment_offset != 0) {
 823                         memset(smb_buf(req->outbuf), 0, alignment_offset);
 824                 }
 825
 826                 /* Copy the param bytes into the packet */
 827
 828                 if(params_sent_thistime) {
 829                         memcpy((smb_buf(req->outbuf)+alignment_offset), pp,
 830                                params_sent_thistime);
 831                 }
 832
 833                 /* Copy in the data bytes */
 834                 if(data_sent_thistime) {
 835                         if (data_alignment_offset != 0) {
 836                                 memset((smb_buf(req->outbuf)+alignment_offset+
 837                                         params_sent_thistime), 0,
 838                                        data_alignment_offset);
 839                         }
 840                         memcpy(smb_buf(req->outbuf)+alignment_offset
 841                                +params_sent_thistime+data_alignment_offset,
 842                                pd,data_sent_thistime);
 843                 }
 844
 845                 DEBUG(9,("t2_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
 846                         params_sent_thistime, data_sent_thistime, useable_space));
 847                 DEBUG(9,("t2_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
 848                         params_to_send, data_to_send, paramsize, datasize));
 849
 850                 if (overflow) {
 851                         error_packet_set((char *)req->outbuf,
 852                                          ERRDOS,ERRbufferoverflow,
 853                                          STATUS_BUFFER_OVERFLOW,
 854                                          __LINE__,__FILE__);
 855                 }
 856
 857                 /* Send the packet */
 858                 show_msg((char *)req->outbuf);
 859                 if (!srv_send_smb(smbd_server_fd(),
 860                                 (char *)req->outbuf,
 861                                 IS_CONN_ENCRYPTED(conn)))
 862                         exit_server_cleanly("send_trans2_replies: srv_send_smb failed.");
 863
 864                 TALLOC_FREE(req->outbuf);
 865
 866                 pp += params_sent_thistime;
 867                 pd += data_sent_thistime;
 868
 869                 params_to_send -= params_sent_thistime;
 870                 data_to_send -= data_sent_thistime;
 871
 872                 /* Sanity check */
 873                 if(params_to_send < 0 || data_to_send < 0) {
 874                         DEBUG(0,("send_trans2_replies failed sanity check pts = %d, dts = %d\n!!!",
 875                                 params_to_send, data_to_send));
 876                         return;
 877                 }
 878         }
 879
 880         return;
 881 }
 882
 883 /****************************************************************************
 884  Reply to a TRANSACT2_OPEN.
 885 ****************************************************************************/
 886
 887 static void call_trans2open(connection_struct *conn,
 888                             struct smb_request *req,
 889                             char **pparams, int total_params,
 890                             char **ppdata, int total_data,
 891                             unsigned int max_data_bytes)
 892 {
 893         char *params = *pparams;
 894         char *pdata = *ppdata;
 895         int deny_mode;
 896         int32 open_attr;
 897         bool oplock_request;
 898 #if 0
 899         bool return_additional_info;
 900         int16 open_sattr;
 901         time_t open_time;
 902 #endif
 903         int open_ofun;
 904         uint32 open_size;
 905         char *pname;
 906         char *fname = NULL;
 907         SMB_OFF_T size=0;
 908         int fattr=0,mtime=0;
 909         SMB_INO_T inode = 0;
 910         SMB_STRUCT_STAT sbuf;
 911         int smb_action = 0;
 912         files_struct *fsp;
 913         struct ea_list *ea_list = NULL;
 914         uint16 flags = 0;
 915         NTSTATUS status;
 916         uint32 access_mask;
 917         uint32 share_mode;
 918         uint32 create_disposition;
 919         uint32 create_options = 0;
 920         TALLOC_CTX *ctx = talloc_tos();
 921
 922         /*
 923          * Ensure we have enough parameters to perform the operation.
 924          */
 925
 926         if (total_params < 29) {
 927                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
 928                 return;
 929         }
 930
 931         flags = SVAL(params, 0);
 932         deny_mode = SVAL(params, 2);
 933         open_attr = SVAL(params,6);
 934         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
 935         if (oplock_request) {
 936                 oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
 937         }
 938
 939 #if 0
 940         return_additional_info = BITSETW(params,0);
 941         open_sattr = SVAL(params, 4);
 942         open_time = make_unix_date3(params+8);
 943 #endif
 944         open_ofun = SVAL(params,12);
 945         open_size = IVAL(params,14);
 946         pname = &params[28];
 947
 948         if (IS_IPC(conn)) {
 949                 reply_doserror(req, ERRSRV, ERRaccess);
 950                 return;
 951         }
 952
 953         srvstr_get_path(ctx, params, req->flags2, &fname, pname,
 954                         total_params - 28, STR_TERMINATE,
 955                         &status);
 956         if (!NT_STATUS_IS_OK(status)) {
 957                 reply_nterror(req, status);
 958                 return;
 959         }
 960
 961         DEBUG(3,("call_trans2open %s deny_mode=0x%x attr=%d ofun=0x%x size=%d\n",
 962                 fname, (unsigned int)deny_mode, (unsigned int)open_attr,
 963                 (unsigned int)open_ofun, open_size));
 964
 965         if (open_ofun == 0) {
 966                 reply_nterror(req, NT_STATUS_OBJECT_NAME_COLLISION);
 967                 return;
 968         }
 969
 970         if (!map_open_params_to_ntcreate(fname, deny_mode, open_ofun,
 971                                 &access_mask,
 972                                 &share_mode,
 973                                 &create_disposition,
 974                                 &create_options)) {
 975                 reply_doserror(req, ERRDOS, ERRbadaccess);
 976                 return;
 977         }
 978
 979         /* Any data in this call is an EA list. */
 980         if (total_data && (total_data != 4) && !lp_ea_support(SNUM(conn))) {
 981                 reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
 982                 return;
 983         }
 984
 985         if (total_data != 4) {
 986                 if (total_data < 10) {
 987                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
 988                         return;
 989                 }
 990
 991                 if (IVAL(pdata,0) > total_data) {
 992                         DEBUG(10,("call_trans2open: bad total data size (%u) > %u\n",
 993                                 IVAL(pdata,0), (unsigned int)total_data));
 994                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
 995                         return;
 996                 }
 997
 998                 ea_list = read_ea_list(talloc_tos(), pdata + 4,
 999                                        total_data - 4);
1000                 if (!ea_list) {
1001                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1002                         return;
1003                 }
1004         } else if (IVAL(pdata,0) != 4) {
1005                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1006                 return;
1007         }
1008
1009         status = create_file(conn,                      /* conn */
1010                              req,                       /* req */
1011                              0,                         /* root_dir_fid */
1012                              fname,                     /* fname */
1013                              access_mask,               /* access_mask */
1014                              share_mode,                /* share_access */
1015                              create_disposition,        /* create_disposition*/
1016                              create_options,            /* create_options */
1017                              open_attr,                 /* file_attributes */
1018                              oplock_request,            /* oplock_request */
1019                              open_size,                 /* allocation_size */
1020                              NULL,                      /* sd */
1021                              ea_list,                   /* ea_list */
1022                              &fsp,                      /* result */
1023                              &smb_action,               /* pinfo */
1024                              &sbuf);                    /* psbuf */
1025
1026         if (!NT_STATUS_IS_OK(status)) {
1027                 if (open_was_deferred(req->mid)) {
1028                         /* We have re-scheduled this call. */
1029                         return;
1030                 }
1031                 reply_openerror(req, status);
1032                 return;
1033         }
1034
1035         size = get_file_size(sbuf);
1036         fattr = dos_mode(conn,fsp->fsp_name,&sbuf);
1037         mtime = sbuf.st_mtime;
1038         inode = sbuf.st_ino;
1039         if (fattr & aDIR) {
1040                 close_file(req, fsp, ERROR_CLOSE);
1041                 reply_doserror(req, ERRDOS,ERRnoaccess);
1042                 return;
1043         }
1044
1045         /* Realloc the size of parameters and data we will return */
1046         *pparams = (char *)SMB_REALLOC(*pparams, 30);
1047         if(*pparams == NULL ) {
1048                 reply_nterror(req, NT_STATUS_NO_MEMORY);
1049                 return;
1050         }
1051         params = *pparams;
1052
1053         SSVAL(params,0,fsp->fnum);
1054         SSVAL(params,2,fattr);
1055         srv_put_dos_date2(params,4, mtime);
1056         SIVAL(params,8, (uint32)size);
1057         SSVAL(params,12,deny_mode);
1058         SSVAL(params,14,0); /* open_type - file or directory. */
1059         SSVAL(params,16,0); /* open_state - only valid for IPC device. */
1060
1061         if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
1062                 smb_action |= EXTENDED_OPLOCK_GRANTED;
1063         }
1064
1065         SSVAL(params,18,smb_action);
1066
1067         /*
1068          * WARNING - this may need to be changed if SMB_INO_T <> 4 bytes.
1069          */
1070         SIVAL(params,20,inode);
1071         SSVAL(params,24,0); /* Padding. */
1072         if (flags & 8) {
1073                 uint32 ea_size = estimate_ea_size(conn, fsp, fsp->fsp_name);
1074                 SIVAL(params, 26, ea_size);
1075         } else {
1076                 SIVAL(params, 26, 0);
1077         }
1078
1079         /* Send the required number of replies */
1080         send_trans2_replies(conn, req, params, 30, *ppdata, 0, max_data_bytes);
1081 }
1082
1083 /*********************************************************
1084  Routine to check if a given string matches exactly.
1085  as a special case a mask of "." does NOT match. That
1086  is required for correct wildcard semantics
1087  Case can be significant or not.
1088 **********************************************************/
1089
1090 static bool exact_match(connection_struct *conn,
1091                 const char *str,
1092                 const char *mask)
1093 {
1094         if (mask[0] == '.' && mask[1] == 0)
1095                 return False;
1096         if (conn->case_sensitive)
1097                 return strcmp(str,mask)==0;
1098         if (StrCaseCmp(str,mask) != 0) {
1099                 return False;
1100         }
1101         if (dptr_has_wild(conn->dirptr)) {
1102                 return False;
1103         }
1104         return True;
1105 }
1106
1107 /****************************************************************************
1108  Return the filetype for UNIX extensions.
1109 ****************************************************************************/
1110
1111 static uint32 unix_filetype(mode_t mode)
1112 {
1113         if(S_ISREG(mode))
1114                 return UNIX_TYPE_FILE;
1115         else if(S_ISDIR(mode))
1116                 return UNIX_TYPE_DIR;
1117 #ifdef S_ISLNK
1118         else if(S_ISLNK(mode))
1119                 return UNIX_TYPE_SYMLINK;
1120 #endif
1121 #ifdef S_ISCHR
1122         else if(S_ISCHR(mode))
1123                 return UNIX_TYPE_CHARDEV;
1124 #endif
1125 #ifdef S_ISBLK
1126         else if(S_ISBLK(mode))
1127                 return UNIX_TYPE_BLKDEV;
1128 #endif
1129 #ifdef S_ISFIFO
1130         else if(S_ISFIFO(mode))
1131                 return UNIX_TYPE_FIFO;
1132 #endif
1133 #ifdef S_ISSOCK
1134         else if(S_ISSOCK(mode))
1135                 return UNIX_TYPE_SOCKET;
1136 #endif
1137
1138         DEBUG(0,("unix_filetype: unknown filetype %u\n", (unsigned)mode));
1139         return UNIX_TYPE_UNKNOWN;
1140 }
1141
1142 /****************************************************************************
1143  Map wire perms onto standard UNIX permissions. Obey share restrictions.
1144 ****************************************************************************/
1145
1146 enum perm_type { PERM_NEW_FILE, PERM_NEW_DIR, PERM_EXISTING_FILE, PERM_EXISTING_DIR};
1147
1148 static NTSTATUS unix_perms_from_wire( connection_struct *conn,
1149                                 SMB_STRUCT_STAT *psbuf,
1150                                 uint32 perms,
1151                                 enum perm_type ptype,
1152                                 mode_t *ret_perms)
1153 {
1154         mode_t ret = 0;
1155
1156         if (perms == SMB_MODE_NO_CHANGE) {
1157                 if (!VALID_STAT(*psbuf)) {
1158                         return NT_STATUS_INVALID_PARAMETER;
1159                 } else {
1160                         *ret_perms = psbuf->st_mode;
1161                         return NT_STATUS_OK;
1162                 }
1163         }
1164
1165         ret |= ((perms & UNIX_X_OTH ) ? S_IXOTH : 0);
1166         ret |= ((perms & UNIX_W_OTH ) ? S_IWOTH : 0);
1167         ret |= ((perms & UNIX_R_OTH ) ? S_IROTH : 0);
1168         ret |= ((perms & UNIX_X_GRP ) ? S_IXGRP : 0);
1169         ret |= ((perms & UNIX_W_GRP ) ? S_IWGRP : 0);
1170         ret |= ((perms & UNIX_R_GRP ) ? S_IRGRP : 0);
1171         ret |= ((perms & UNIX_X_USR ) ? S_IXUSR : 0);
1172         ret |= ((perms & UNIX_W_USR ) ? S_IWUSR : 0);
1173         ret |= ((perms & UNIX_R_USR ) ? S_IRUSR : 0);
1174 #ifdef S_ISVTX
1175         ret |= ((perms & UNIX_STICKY ) ? S_ISVTX : 0);
1176 #endif
1177 #ifdef S_ISGID
1178         ret |= ((perms & UNIX_SET_GID ) ? S_ISGID : 0);
1179 #endif
1180 #ifdef S_ISUID
1181         ret |= ((perms & UNIX_SET_UID ) ? S_ISUID : 0);
1182 #endif
1183
1184         switch (ptype) {
1185         case PERM_NEW_FILE:
1186                 /* Apply mode mask */
1187                 ret &= lp_create_mask(SNUM(conn));
1188                 /* Add in force bits */
1189                 ret |= lp_force_create_mode(SNUM(conn));
1190                 break;
1191         case PERM_NEW_DIR:
1192                 ret &= lp_dir_mask(SNUM(conn));
1193                 /* Add in force bits */
1194                 ret |= lp_force_dir_mode(SNUM(conn));
1195                 break;
1196         case PERM_EXISTING_FILE:
1197                 /* Apply mode mask */
1198                 ret &= lp_security_mask(SNUM(conn));
1199                 /* Add in force bits */
1200                 ret |= lp_force_security_mode(SNUM(conn));
1201                 break;
1202         case PERM_EXISTING_DIR:
1203                 /* Apply mode mask */
1204                 ret &= lp_dir_security_mask(SNUM(conn));
1205                 /* Add in force bits */
1206                 ret |= lp_force_dir_security_mode(SNUM(conn));
1207                 break;
1208         }
1209
1210         *ret_perms = ret;
1211         return NT_STATUS_OK;
1212 }
1213
1214 /****************************************************************************
1215  Needed to show the msdfs symlinks as directories. Modifies psbuf
1216  to be a directory if it's a msdfs link.
1217 ****************************************************************************/
1218
1219 static bool check_msdfs_link(connection_struct *conn,
1220                                 const char *pathname,
1221                                 SMB_STRUCT_STAT *psbuf)
1222 {
1223         int saved_errno = errno;
1224         if(lp_host_msdfs() &&
1225                 lp_msdfs_root(SNUM(conn)) &&
1226                 is_msdfs_link(conn, pathname, psbuf)) {
1227
1228                 DEBUG(5,("check_msdfs_link: Masquerading msdfs link %s "
1229                         "as a directory\n",
1230                         pathname));
1231                 psbuf->st_mode = (psbuf->st_mode & 0xFFF) | S_IFDIR;
1232                 errno = saved_errno;
1233                 return true;
1234         }
1235         errno = saved_errno;
1236         return false;
1237 }
1238
1239
1240 /****************************************************************************
1241  Get a level dependent lanman2 dir entry.
1242 ****************************************************************************/
1243
1244 static bool get_lanman2_dir_entry(TALLOC_CTX *ctx,
1245                                 connection_struct *conn,
1246                                 uint16 flags2,
1247                                 const char *path_mask,
1248                                 uint32 dirtype,
1249                                 int info_level,
1250                                 int requires_resume_key,
1251                                 bool dont_descend,
1252                                 bool ask_sharemode,
1253                                 char **ppdata,
1254                                 char *base_data,
1255                                 char *end_data,
1256                                 int space_remaining,
1257                                 bool *out_of_space,
1258                                 bool *got_exact_match,
1259                                 int *last_entry_off,
1260                                 struct ea_list *name_list)
1261 {
1262         const char *dname;
1263         bool found = False;
1264         SMB_STRUCT_STAT sbuf;
1265         const char *mask = NULL;
1266         char *pathreal = NULL;
1267         const char *fname = NULL;
1268         char *p, *q, *pdata = *ppdata;
1269         uint32 reskey=0;
1270         long prev_dirpos=0;
1271         uint32 mode=0;
1272         SMB_OFF_T file_size = 0;
1273         uint64_t allocation_size = 0;
1274         uint32 len;
1275         struct timespec mdate_ts, adate_ts, create_date_ts;
1276         time_t mdate = (time_t)0, adate = (time_t)0, create_date = (time_t)0;
1277         char *nameptr;
1278         char *last_entry_ptr;
1279         bool was_8_3;
1280         uint32 nt_extmode; /* Used for NT connections instead of mode */
1281         bool needslash = ( conn->dirpath[strlen(conn->dirpath) -1] != '/');
1282         bool check_mangled_names = lp_manglednames(conn->params);
1283         char mangled_name[13]; /* mangled 8.3 name. */
1284
1285         *out_of_space = False;
1286         *got_exact_match = False;
1287
1288         ZERO_STRUCT(mdate_ts);
1289         ZERO_STRUCT(adate_ts);
1290         ZERO_STRUCT(create_date_ts);
1291
1292         if (!conn->dirptr) {
1293                 return(False);
1294         }
1295
1296         p = strrchr_m(path_mask,'/');
1297         if(p != NULL) {
1298                 if(p[1] == '\0') {
1299                         mask = talloc_strdup(ctx,"*.*");
1300                 } else {
1301                         mask = p+1;
1302                 }
1303         } else {
1304                 mask = path_mask;
1305         }
1306
1307         while (!found) {
1308                 bool got_match;
1309                 bool ms_dfs_link = False;
1310
1311                 /* Needed if we run out of space */
1312                 long curr_dirpos = prev_dirpos = dptr_TellDir(conn->dirptr);
1313                 dname = dptr_ReadDirName(ctx,conn->dirptr,&curr_dirpos,&sbuf);
1314
1315                 /*
1316                  * Due to bugs in NT client redirectors we are not using
1317                  * resume keys any more - set them to zero.
1318                  * Check out the related comments in findfirst/findnext.
1319                  * JRA.
1320                  */
1321
1322                 reskey = 0;
1323
1324                 DEBUG(8,("get_lanman2_dir_entry:readdir on dirptr 0x%lx now at offset %ld\n",
1325                         (long)conn->dirptr,curr_dirpos));
1326
1327                 if (!dname) {
1328                         return(False);
1329                 }
1330
1331                 /*
1332                  * fname may get mangled, dname is never mangled.
1333                  * Whenever we're accessing the filesystem we use
1334                  * pathreal which is composed from dname.
1335                  */
1336
1337                 pathreal = NULL;
1338                 fname = dname;
1339
1340                 /* Mangle fname if it's an illegal name. */
1341                 if (mangle_must_mangle(dname,conn->params)) {
1342                         if (!name_to_8_3(dname,mangled_name,True,conn->params)) {
1343                                 continue; /* Error - couldn't mangle. */
1344                         }
1345                         fname = mangled_name;
1346                 }
1347
1348                 if(!(got_match = *got_exact_match = exact_match(conn, fname, mask))) {
1349                         got_match = mask_match(fname, mask, conn->case_sensitive);
1350                 }
1351
1352                 if(!got_match && check_mangled_names &&
1353                    !mangle_is_8_3(fname, False, conn->params)) {
1354                         /*
1355                          * It turns out that NT matches wildcards against
1356                          * both long *and* short names. This may explain some
1357                          * of the wildcard wierdness from old DOS clients
1358                          * that some people have been seeing.... JRA.
1359                          */
1360                         /* Force the mangling into 8.3. */
1361                         if (!name_to_8_3( fname, mangled_name, False, conn->params)) {
1362                                 continue; /* Error - couldn't mangle. */
1363                         }
1364
1365                         if(!(got_match = *got_exact_match = exact_match(conn, mangled_name, mask))) {
1366                                 got_match = mask_match(mangled_name, mask, conn->case_sensitive);
1367                         }
1368                 }
1369
1370                 if (got_match) {
1371                         bool isdots = (ISDOT(dname) || ISDOTDOT(dname));
1372
1373                         if (dont_descend && !isdots) {
1374                                 continue;
1375                         }
1376
1377                         if (needslash) {
1378                                 pathreal = NULL;
1379                                 pathreal = talloc_asprintf(ctx,
1380                                         "%s/%s",
1381                                         conn->dirpath,
1382                                         dname);
1383                         } else {
1384                                 pathreal = talloc_asprintf(ctx,
1385                                         "%s%s",
1386                                         conn->dirpath,
1387                                         dname);
1388                         }
1389
1390                         if (!pathreal) {
1391                                 return False;
1392                         }
1393
1394                         if (INFO_LEVEL_IS_UNIX(info_level)) {
1395                                 if (SMB_VFS_LSTAT(conn,pathreal,&sbuf) != 0) {
1396                                         DEBUG(5,("get_lanman2_dir_entry:Couldn't lstat [%s] (%s)\n",
1397                                                 pathreal,strerror(errno)));
1398                                         TALLOC_FREE(pathreal);
1399                                         continue;
1400                                 }
1401                         } else if (!VALID_STAT(sbuf) && SMB_VFS_STAT(conn,pathreal,&sbuf) != 0) {
1402                                 /* Needed to show the msdfs symlinks as
1403                                  * directories */
1404
1405                                 ms_dfs_link = check_msdfs_link(conn, pathreal, &sbuf);
1406                                 if (!ms_dfs_link) {
1407                                         DEBUG(5,("get_lanman2_dir_entry:Couldn't stat [%s] (%s)\n",
1408                                                 pathreal,strerror(errno)));
1409                                         TALLOC_FREE(pathreal);
1410                                         continue;
1411                                 }
1412                         }
1413
1414                         if (ms_dfs_link) {
1415                                 mode = dos_mode_msdfs(conn,pathreal,&sbuf);
1416                         } else {
1417                                 mode = dos_mode(conn,pathreal,&sbuf);
1418                         }
1419
1420                         if (!dir_check_ftype(conn,mode,dirtype)) {
1421                                 DEBUG(5,("get_lanman2_dir_entry: [%s] attribs didn't match %x\n",fname,dirtype));
1422                                 TALLOC_FREE(pathreal);
1423                                 continue;
1424                         }
1425
1426                         if (!(mode & aDIR)) {
1427                                 file_size = get_file_size(sbuf);
1428                         }
1429                         allocation_size = get_allocation_size(conn,NULL,&sbuf);
1430
1431                         mdate_ts = get_mtimespec(&sbuf);
1432                         adate_ts = get_atimespec(&sbuf);
1433                         create_date_ts = get_create_timespec(&sbuf,lp_fake_dir_create_times(SNUM(conn)));
1434
1435                         if (ask_sharemode) {
1436                                 struct timespec write_time_ts;
1437                                 struct file_id fileid;
1438
1439                                 fileid = vfs_file_id_from_sbuf(conn, &sbuf);
1440                                 get_file_infos(fileid, NULL, &write_time_ts);
1441                                 if (!null_timespec(write_time_ts)) {
1442                                         mdate_ts = write_time_ts;
1443                                 }
1444                         }
1445
1446                         if (lp_dos_filetime_resolution(SNUM(conn))) {
1447                                 dos_filetime_timespec(&create_date_ts);
1448                                 dos_filetime_timespec(&mdate_ts);
1449                                 dos_filetime_timespec(&adate_ts);
1450                         }
1451
1452                         create_date = convert_timespec_to_time_t(create_date_ts);
1453                         mdate = convert_timespec_to_time_t(mdate_ts);
1454                         adate = convert_timespec_to_time_t(adate_ts);
1455
1456                         DEBUG(5,("get_lanman2_dir_entry: found %s fname=%s\n",pathreal,fname));
1457
1458                         found = True;
1459
1460                         dptr_DirCacheAdd(conn->dirptr, dname, curr_dirpos);
1461                 }
1462         }
1463
1464         p = pdata;
1465         last_entry_ptr = p;
1466
1467         nt_extmode = mode ? mode : FILE_ATTRIBUTE_NORMAL;
1468
1469         switch (info_level) {
1470                 case SMB_FIND_INFO_STANDARD:
1471                         DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_INFO_STANDARD\n"));
1472                         if(requires_resume_key) {
1473                                 SIVAL(p,0,reskey);
1474                                 p += 4;
1475                         }
1476                         srv_put_dos_date2(p,0,create_date);
1477                         srv_put_dos_date2(p,4,adate);
1478                         srv_put_dos_date2(p,8,mdate);
1479                         SIVAL(p,12,(uint32)file_size);
1480                         SIVAL(p,16,(uint32)allocation_size);
1481                         SSVAL(p,20,mode);
1482                         p += 23;
1483                         nameptr = p;
1484                         if (flags2 & FLAGS2_UNICODE_STRINGS) {
1485                                 p += ucs2_align(base_data, p, 0);
1486                         }
1487                         len = srvstr_push(base_data, flags2, p,
1488                                           fname, PTR_DIFF(end_data, p),
1489                                           STR_TERMINATE);
1490                         if (flags2 & FLAGS2_UNICODE_STRINGS) {
1491                                 if (len > 2) {
1492                                         SCVAL(nameptr, -1, len - 2);
1493                                 } else {
1494                                         SCVAL(nameptr, -1, 0);
1495                                 }
1496                         } else {
1497                                 if (len > 1) {
1498                                         SCVAL(nameptr, -1, len - 1);
1499                                 } else {
1500                                         SCVAL(nameptr, -1, 0);
1501                                 }
1502                         }
1503                         p += len;
1504                         break;
1505
1506                 case SMB_FIND_EA_SIZE:
1507                         DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_EA_SIZE\n"));
1508                         if(requires_resume_key) {
1509                                 SIVAL(p,0,reskey);
1510                                 p += 4;
1511                         }
1512                         srv_put_dos_date2(p,0,create_date);
1513                         srv_put_dos_date2(p,4,adate);
1514                         srv_put_dos_date2(p,8,mdate);
1515                         SIVAL(p,12,(uint32)file_size);
1516                         SIVAL(p,16,(uint32)allocation_size);
1517                         SSVAL(p,20,mode);
1518                         {
1519                                 unsigned int ea_size = estimate_ea_size(conn, NULL, pathreal);
1520                                 SIVAL(p,22,ea_size); /* Extended attributes */
1521                         }
1522                         p += 27;
1523                         nameptr = p - 1;
1524                         len = srvstr_push(base_data, flags2,
1525                                           p, fname, PTR_DIFF(end_data, p),
1526                                           STR_TERMINATE | STR_NOALIGN);
1527                         if (flags2 & FLAGS2_UNICODE_STRINGS) {
1528                                 if (len > 2) {
1529                                         len -= 2;
1530                                 } else {
1531                                         len = 0;
1532                                 }
1533                         } else {
1534                                 if (len > 1) {
1535                                         len -= 1;
1536                                 } else {
1537                                         len = 0;
1538                                 }
1539                         }
1540                         SCVAL(nameptr,0,len);
1541                         p += len;
1542                         SCVAL(p,0,0); p += 1; /* Extra zero byte ? - why.. */
1543                         break;
1544
1545                 case SMB_FIND_EA_LIST:
1546                 {
1547                         struct ea_list *file_list = NULL;
1548                         size_t ea_len = 0;
1549
1550                         DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_EA_LIST\n"));
1551                         if (!name_list) {
1552                                 return False;
1553                         }
1554                         if(requires_resume_key) {
1555                                 SIVAL(p,0,reskey);
1556                                 p += 4;
1557                         }
1558                         srv_put_dos_date2(p,0,create_date);
1559                         srv_put_dos_date2(p,4,adate);
1560                         srv_put_dos_date2(p,8,mdate);
1561                         SIVAL(p,12,(uint32)file_size);
1562                         SIVAL(p,16,(uint32)allocation_size);
1563                         SSVAL(p,20,mode);
1564                         p += 22; /* p now points to the EA area. */
1565
1566                         file_list = get_ea_list_from_file(ctx, conn, NULL, pathreal, &ea_len);
1567                         name_list = ea_list_union(name_list, file_list, &ea_len);
1568
1569                         /* We need to determine if this entry will fit in the space available. */
1570                         /* Max string size is 255 bytes. */
1571                         if (PTR_DIFF(p + 255 + ea_len,pdata) > space_remaining) {
1572                                 /* Move the dirptr back to prev_dirpos */
1573                                 dptr_SeekDir(conn->dirptr, prev_dirpos);
1574                                 *out_of_space = True;
1575                                 DEBUG(9,("get_lanman2_dir_entry: out of space\n"));
1576                                 return False; /* Not finished - just out of space */
1577                         }
1578
1579                         /* Push the ea_data followed by the name. */
1580                         p += fill_ea_buffer(ctx, p, space_remaining, conn, name_list);
1581                         nameptr = p;
1582                         len = srvstr_push(base_data, flags2,
1583                                           p + 1, fname, PTR_DIFF(end_data, p+1),
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 + 1;
1600                         SCVAL(p,0,0); p += 1; /* Extra zero byte ? - why.. */
1601                         break;
1602                 }
1603
1604                 case SMB_FIND_FILE_BOTH_DIRECTORY_INFO:
1605                         DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_FILE_BOTH_DIRECTORY_INFO\n"));
1606                         was_8_3 = mangle_is_8_3(fname, True, conn->params);
1607                         p += 4;
1608                         SIVAL(p,0,reskey); p += 4;
1609                         put_long_date_timespec(p,create_date_ts); p += 8;
1610                         put_long_date_timespec(p,adate_ts); p += 8;
1611                         put_long_date_timespec(p,mdate_ts); p += 8;
1612                         put_long_date_timespec(p,mdate_ts); p += 8;
1613                         SOFF_T(p,0,file_size); p += 8;
1614                         SOFF_T(p,0,allocation_size); p += 8;
1615                         SIVAL(p,0,nt_extmode); p += 4;
1616                         q = p; p += 4; /* q is placeholder for name length. */
1617                         {
1618                                 unsigned int ea_size = estimate_ea_size(conn, NULL, pathreal);
1619                                 SIVAL(p,0,ea_size); /* Extended attributes */
1620                                 p += 4;
1621                         }
1622                         /* Clear the short name buffer. This is
1623                          * IMPORTANT as not doing so will trigger
1624                          * a Win2k client bug. JRA.
1625                          */
1626                         if (!was_8_3 && check_mangled_names) {
1627                                 if (!name_to_8_3(fname,mangled_name,True,
1628                                                    conn->params)) {
1629                                         /* Error - mangle failed ! */
1630                                         memset(mangled_name,'\0',12);
1631                                 }
1632                                 mangled_name[12] = 0;
1633                                 len = srvstr_push(base_data, flags2,
1634                                                   p+2, mangled_name, 24,
1635                                                   STR_UPPER|STR_UNICODE);
1636                                 if (len < 24) {
1637                                         memset(p + 2 + len,'\0',24 - len);
1638                                 }
1639                                 SSVAL(p, 0, len);
1640                         } else {
1641                                 memset(p,'\0',26);
1642                         }
1643                         p += 2 + 24;
1644                         len = srvstr_push(base_data, flags2, p,
1645                                           fname, PTR_DIFF(end_data, p),
1646                                           STR_TERMINATE_ASCII);
1647                         SIVAL(q,0,len);
1648                         p += len;
1649                         SIVAL(p,0,0); /* Ensure any padding is null. */
1650                         len = PTR_DIFF(p, pdata);
1651                         len = (len + 3) & ~3;
1652                         SIVAL(pdata,0,len);
1653                         p = pdata + len;
1654                         break;
1655
1656                 case SMB_FIND_FILE_DIRECTORY_INFO:
1657                         DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_FILE_DIRECTORY_INFO\n"));
1658                         p += 4;
1659                         SIVAL(p,0,reskey); p += 4;
1660                         put_long_date_timespec(p,create_date_ts); p += 8;
1661                         put_long_date_timespec(p,adate_ts); p += 8;
1662                         put_long_date_timespec(p,mdate_ts); p += 8;
1663                         put_long_date_timespec(p,mdate_ts); p += 8;
1664                         SOFF_T(p,0,file_size); p += 8;
1665                         SOFF_T(p,0,allocation_size); p += 8;
1666                         SIVAL(p,0,nt_extmode); p += 4;
1667                         len = srvstr_push(base_data, flags2,
1668                                           p + 4, fname, PTR_DIFF(end_data, p+4),
1669                                           STR_TERMINATE_ASCII);
1670                         SIVAL(p,0,len);
1671                         p += 4 + len;
1672                         SIVAL(p,0,0); /* Ensure any padding is null. */
1673                         len = PTR_DIFF(p, pdata);
1674                         len = (len + 3) & ~3;
1675                         SIVAL(pdata,0,len);
1676                         p = pdata + len;
1677                         break;
1678
1679                 case SMB_FIND_FILE_FULL_DIRECTORY_INFO:
1680                         DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_FILE_FULL_DIRECTORY_INFO\n"));
1681                         p += 4;
1682                         SIVAL(p,0,reskey); p += 4;
1683                         put_long_date_timespec(p,create_date_ts); p += 8;
1684                         put_long_date_timespec(p,adate_ts); p += 8;
1685                         put_long_date_timespec(p,mdate_ts); p += 8;
1686                         put_long_date_timespec(p,mdate_ts); p += 8;
1687                         SOFF_T(p,0,file_size); p += 8;
1688                         SOFF_T(p,0,allocation_size); p += 8;
1689                         SIVAL(p,0,nt_extmode); p += 4;
1690                         q = p; p += 4; /* q is placeholder for name length. */
1691                         {
1692                                 unsigned int ea_size = estimate_ea_size(conn, NULL, pathreal);
1693                                 SIVAL(p,0,ea_size); /* Extended attributes */
1694                                 p +=4;
1695                         }
1696                         len = srvstr_push(base_data, flags2, p,
1697                                           fname, PTR_DIFF(end_data, p),
1698                                           STR_TERMINATE_ASCII);
1699                         SIVAL(q, 0, len);
1700                         p += len;
1701
1702                         SIVAL(p,0,0); /* Ensure any padding is null. */
1703                         len = PTR_DIFF(p, pdata);
1704                         len = (len + 3) & ~3;
1705                         SIVAL(pdata,0,len);
1706                         p = pdata + len;
1707                         break;
1708
1709                 case SMB_FIND_FILE_NAMES_INFO:
1710                         DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_FILE_NAMES_INFO\n"));
1711                         p += 4;
1712                         SIVAL(p,0,reskey); p += 4;
1713                         p += 4;
1714                         /* this must *not* be null terminated or w2k gets in a loop trying to set an
1715                            acl on a dir (tridge) */
1716                         len = srvstr_push(base_data, flags2, p,
1717                                           fname, PTR_DIFF(end_data, p),
1718                                           STR_TERMINATE_ASCII);
1719                         SIVAL(p, -4, len);
1720                         p += len;
1721                         SIVAL(p,0,0); /* Ensure any padding is null. */
1722                         len = PTR_DIFF(p, pdata);
1723                         len = (len + 3) & ~3;
1724                         SIVAL(pdata,0,len);
1725                         p = pdata + len;
1726                         break;
1727
1728                 case SMB_FIND_ID_FULL_DIRECTORY_INFO:
1729                         DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_ID_FULL_DIRECTORY_INFO\n"));
1730                         p += 4;
1731                         SIVAL(p,0,reskey); p += 4;
1732                         put_long_date_timespec(p,create_date_ts); p += 8;
1733                         put_long_date_timespec(p,adate_ts); p += 8;
1734                         put_long_date_timespec(p,mdate_ts); p += 8;
1735                         put_long_date_timespec(p,mdate_ts); p += 8;
1736                         SOFF_T(p,0,file_size); p += 8;
1737                         SOFF_T(p,0,allocation_size); p += 8;
1738                         SIVAL(p,0,nt_extmode); p += 4;
1739                         q = p; p += 4; /* q is placeholder for name length. */
1740                         {
1741                                 unsigned int ea_size = estimate_ea_size(conn, NULL, pathreal);
1742                                 SIVAL(p,0,ea_size); /* Extended attributes */
1743                                 p +=4;
1744                         }
1745                         SIVAL(p,0,0); p += 4; /* Unknown - reserved ? */
1746                         SIVAL(p,0,sbuf.st_ino); p += 4; /* FileIndexLow */
1747                         SIVAL(p,0,sbuf.st_dev); p += 4; /* FileIndexHigh */
1748                         len = srvstr_push(base_data, flags2, p,
1749                                           fname, PTR_DIFF(end_data, p),
1750                                           STR_TERMINATE_ASCII);
1751                         SIVAL(q, 0, len);
1752                         p += len;
1753                         SIVAL(p,0,0); /* Ensure any padding is null. */
1754                         len = PTR_DIFF(p, pdata);
1755                         len = (len + 3) & ~3;
1756                         SIVAL(pdata,0,len);
1757                         p = pdata + len;
1758                         break;
1759
1760                 case SMB_FIND_ID_BOTH_DIRECTORY_INFO:
1761                         DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_ID_BOTH_DIRECTORY_INFO\n"));
1762                         was_8_3 = mangle_is_8_3(fname, True, conn->params);
1763                         p += 4;
1764                         SIVAL(p,0,reskey); p += 4;
1765                         put_long_date_timespec(p,create_date_ts); p += 8;
1766                         put_long_date_timespec(p,adate_ts); p += 8;
1767                         put_long_date_timespec(p,mdate_ts); p += 8;
1768                         put_long_date_timespec(p,mdate_ts); p += 8;
1769                         SOFF_T(p,0,file_size); p += 8;
1770                         SOFF_T(p,0,allocation_size); p += 8;
1771                         SIVAL(p,0,nt_extmode); p += 4;
1772                         q = p; p += 4; /* q is placeholder for name length */
1773                         {
1774                                 unsigned int ea_size = estimate_ea_size(conn, NULL, pathreal);
1775                                 SIVAL(p,0,ea_size); /* Extended attributes */
1776                                 p +=4;
1777                         }
1778                         /* Clear the short name buffer. This is
1779                          * IMPORTANT as not doing so will trigger
1780                          * a Win2k client bug. JRA.
1781                          */
1782                         if (!was_8_3 && check_mangled_names) {
1783                                 if (!name_to_8_3(fname,mangled_name,True,
1784                                                 conn->params)) {
1785                                         /* Error - mangle failed ! */
1786                                         memset(mangled_name,'\0',12);
1787                                 }
1788                                 mangled_name[12] = 0;
1789                                 len = srvstr_push(base_data, flags2,
1790                                                   p+2, mangled_name, 24,
1791                                                   STR_UPPER|STR_UNICODE);
1792                                 SSVAL(p, 0, len);
1793                                 if (len < 24) {
1794                                         memset(p + 2 + len,'\0',24 - len);
1795                                 }
1796                                 SSVAL(p, 0, len);
1797                         } else {
1798                                 memset(p,'\0',26);
1799                         }
1800                         p += 26;
1801                         SSVAL(p,0,0); p += 2; /* Reserved ? */
1802                         SIVAL(p,0,sbuf.st_ino); p += 4; /* FileIndexLow */
1803                         SIVAL(p,0,sbuf.st_dev); p += 4; /* FileIndexHigh */
1804                         len = srvstr_push(base_data, flags2, p,
1805                                           fname, PTR_DIFF(end_data, p),
1806                                           STR_TERMINATE_ASCII);
1807                         SIVAL(q,0,len);
1808                         p += len;
1809                         SIVAL(p,0,0); /* Ensure any padding is null. */
1810                         len = PTR_DIFF(p, pdata);
1811                         len = (len + 3) & ~3;
1812                         SIVAL(pdata,0,len);
1813                         p = pdata + len;
1814                         break;
1815
1816                 /* CIFS UNIX Extension. */
1817
1818                 case SMB_FIND_FILE_UNIX:
1819                 case SMB_FIND_FILE_UNIX_INFO2:
1820                         p+= 4;
1821                         SIVAL(p,0,reskey); p+= 4;    /* Used for continuing search. */
1822
1823                         /* Begin of SMB_QUERY_FILE_UNIX_BASIC */
1824
1825                         if (info_level == SMB_FIND_FILE_UNIX) {
1826                                 DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_FILE_UNIX\n"));
1827                                 p = store_file_unix_basic(conn, p,
1828                                                         NULL, &sbuf);
1829                                 len = srvstr_push(base_data, flags2, p,
1830                                                   fname, PTR_DIFF(end_data, p),
1831                                                   STR_TERMINATE);
1832                         } else {
1833                                 DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_FILE_UNIX_INFO2\n"));
1834                                 p = store_file_unix_basic_info2(conn, p,
1835                                                         NULL, &sbuf);
1836                                 nameptr = p;
1837                                 p += 4;
1838                                 len = srvstr_push(base_data, flags2, p, fname,
1839                                                   PTR_DIFF(end_data, p), 0);
1840                                 SIVAL(nameptr, 0, len);
1841                         }
1842
1843                         p += len;
1844                         SIVAL(p,0,0); /* Ensure any padding is null. */
1845
1846                         len = PTR_DIFF(p, pdata);
1847                         len = (len + 3) & ~3;
1848                         SIVAL(pdata,0,len);     /* Offset from this structure to the beginning of the next one */
1849                         p = pdata + len;
1850                         /* End of SMB_QUERY_FILE_UNIX_BASIC */
1851
1852                         break;
1853
1854                 default:
1855                         return(False);
1856         }
1857
1858
1859         if (PTR_DIFF(p,pdata) > space_remaining) {
1860                 /* Move the dirptr back to prev_dirpos */
1861                 dptr_SeekDir(conn->dirptr, prev_dirpos);
1862                 *out_of_space = True;
1863                 DEBUG(9,("get_lanman2_dir_entry: out of space\n"));
1864                 return False; /* Not finished - just out of space */
1865         }
1866
1867         /* Setup the last entry pointer, as an offset from base_data */
1868         *last_entry_off = PTR_DIFF(last_entry_ptr,base_data);
1869         /* Advance the data pointer to the next slot */
1870         *ppdata = p;
1871
1872         return(found);
1873 }
1874
1875 /****************************************************************************
1876  Reply to a TRANS2_FINDFIRST.
1877 ****************************************************************************/
1878
1879 static void call_trans2findfirst(connection_struct *conn,
1880                                  struct smb_request *req,
1881                                  char **pparams, int total_params,
1882                                  char **ppdata, int total_data,
1883                                  unsigned int max_data_bytes)
1884 {
1885         /* We must be careful here that we don't return more than the
1886                 allowed number of data bytes. If this means returning fewer than
1887                 maxentries then so be it. We assume that the redirector has
1888                 enough room for the fixed number of parameter bytes it has
1889                 requested. */
1890         char *params = *pparams;
1891         char *pdata = *ppdata;
1892         char *data_end;
1893         uint32 dirtype;
1894         int maxentries;
1895         uint16 findfirst_flags;
1896         bool close_after_first;
1897         bool close_if_end;
1898         bool requires_resume_key;
1899         int info_level;
1900         char *directory = NULL;
1901         char *mask = NULL;
1902         char *p;
1903         int last_entry_off=0;
1904         int dptr_num = -1;
1905         int numentries = 0;
1906         int i;
1907         bool finished = False;
1908         bool dont_descend = False;
1909         bool out_of_space = False;
1910         int space_remaining;
1911         bool mask_contains_wcard = False;
1912         SMB_STRUCT_STAT sbuf;
1913         struct ea_list *ea_list = NULL;
1914         NTSTATUS ntstatus = NT_STATUS_OK;
1915         bool ask_sharemode = lp_parm_bool(SNUM(conn), "smbd", "search ask sharemode", true);
1916         TALLOC_CTX *ctx = talloc_tos();
1917
1918         if (total_params < 13) {
1919                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1920                 return;
1921         }
1922
1923         dirtype = SVAL(params,0);
1924         maxentries = SVAL(params,2);
1925         findfirst_flags = SVAL(params,4);
1926         close_after_first = (findfirst_flags & FLAG_TRANS2_FIND_CLOSE);
1927         close_if_end = (findfirst_flags & FLAG_TRANS2_FIND_CLOSE_IF_END);
1928         requires_resume_key = (findfirst_flags & FLAG_TRANS2_FIND_REQUIRE_RESUME);
1929         info_level = SVAL(params,6);
1930
1931         DEBUG(3,("call_trans2findfirst: dirtype = %x, maxentries = %d, close_after_first=%d, \
1932 close_if_end = %d requires_resume_key = %d level = 0x%x, max_data_bytes = %d\n",
1933                 (unsigned int)dirtype, maxentries, close_after_first, close_if_end, requires_resume_key,
1934                 info_level, max_data_bytes));
1935
1936         if (!maxentries) {
1937                 /* W2K3 seems to treat zero as 1. */
1938                 maxentries = 1;
1939         }
1940
1941         switch (info_level) {
1942                 case SMB_FIND_INFO_STANDARD:
1943                 case SMB_FIND_EA_SIZE:
1944                 case SMB_FIND_EA_LIST:
1945                 case SMB_FIND_FILE_DIRECTORY_INFO:
1946                 case SMB_FIND_FILE_FULL_DIRECTORY_INFO:
1947                 case SMB_FIND_FILE_NAMES_INFO:
1948                 case SMB_FIND_FILE_BOTH_DIRECTORY_INFO:
1949                 case SMB_FIND_ID_FULL_DIRECTORY_INFO:
1950                 case SMB_FIND_ID_BOTH_DIRECTORY_INFO:
1951                         break;
1952                 case SMB_FIND_FILE_UNIX:
1953                 case SMB_FIND_FILE_UNIX_INFO2:
1954                         /* Always use filesystem for UNIX mtime query. */
1955                         ask_sharemode = false;
1956                         if (!lp_unix_extensions()) {
1957                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
1958                                 return;
1959                         }
1960                         break;
1961                 default:
1962                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
1963                         return;
1964         }
1965
1966         srvstr_get_path_wcard(ctx, params, req->flags2, &directory,
1967                               params+12, total_params - 12,
1968                               STR_TERMINATE, &ntstatus, &mask_contains_wcard);
1969         if (!NT_STATUS_IS_OK(ntstatus)) {
1970                 reply_nterror(req, ntstatus);
1971                 return;
1972         }
1973
1974         ntstatus = resolve_dfspath_wcard(ctx, conn,
1975                         req->flags2 & FLAGS2_DFS_PATHNAMES,
1976                         directory,
1977                         &directory,
1978                         &mask_contains_wcard);
1979         if (!NT_STATUS_IS_OK(ntstatus)) {
1980                 if (NT_STATUS_EQUAL(ntstatus,NT_STATUS_PATH_NOT_COVERED)) {
1981                         reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
1982                                         ERRSRV, ERRbadpath);
1983                         return;
1984                 }
1985                 reply_nterror(req, ntstatus);
1986                 return;
1987         }
1988
1989         ntstatus = unix_convert(ctx, conn, directory, True, &directory, &mask, &sbuf);
1990         if (!NT_STATUS_IS_OK(ntstatus)) {
1991                 reply_nterror(req, ntstatus);
1992                 return;
1993         }
1994
1995         ntstatus = check_name(conn, directory);
1996         if (!NT_STATUS_IS_OK(ntstatus)) {
1997                 reply_nterror(req, ntstatus);
1998                 return;
1999         }
2000
2001         p = strrchr_m(directory,'/');
2002         if(p == NULL) {
2003                 /* Windows and OS/2 systems treat search on the root '\' as if it were '\*' */
2004                 if((directory[0] == '.') && (directory[1] == '\0')) {
2005                         mask = talloc_strdup(ctx,"*");
2006                         if (!mask) {
2007                                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2008                                 return;
2009                         }
2010                         mask_contains_wcard = True;
2011                 }
2012                 directory = talloc_strdup(talloc_tos(), "./");
2013                 if (!directory) {
2014                         reply_nterror(req, NT_STATUS_NO_MEMORY);
2015                         return;
2016                 }
2017         } else {
2018                 *p = 0;
2019         }
2020
2021         DEBUG(5,("dir=%s, mask = %s\n",directory, mask));
2022
2023         if (info_level == SMB_FIND_EA_LIST) {
2024                 uint32 ea_size;
2025
2026                 if (total_data < 4) {
2027                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2028                         return;
2029                 }
2030
2031                 ea_size = IVAL(pdata,0);
2032                 if (ea_size != total_data) {
2033                         DEBUG(4,("call_trans2findfirst: Rejecting EA request with incorrect \
2034 total_data=%u (should be %u)\n", (unsigned int)total_data, (unsigned int)IVAL(pdata,0) ));
2035                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2036                         return;
2037                 }
2038
2039                 if (!lp_ea_support(SNUM(conn))) {
2040                         reply_doserror(req, ERRDOS, ERReasnotsupported);
2041                         return;
2042                 }
2043
2044                 /* Pull out the list of names. */
2045                 ea_list = read_ea_name_list(ctx, pdata + 4, ea_size - 4);
2046                 if (!ea_list) {
2047                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2048                         return;
2049                 }
2050         }
2051
2052         *ppdata = (char *)SMB_REALLOC(
2053                 *ppdata, max_data_bytes + DIR_ENTRY_SAFETY_MARGIN);
2054         if(*ppdata == NULL ) {
2055                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2056                 return;
2057         }
2058         pdata = *ppdata;
2059         data_end = pdata + max_data_bytes + DIR_ENTRY_SAFETY_MARGIN - 1;
2060
2061         /* Realloc the params space */
2062         *pparams = (char *)SMB_REALLOC(*pparams, 10);
2063         if (*pparams == NULL) {
2064                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2065                 return;
2066         }
2067         params = *pparams;
2068
2069         /* Save the wildcard match and attribs we are using on this directory -
2070                 needed as lanman2 assumes these are being saved between calls */
2071
2072         ntstatus = dptr_create(conn,
2073                                 directory,
2074                                 False,
2075                                 True,
2076                                 req->smbpid,
2077                                 mask,
2078                                 mask_contains_wcard,
2079                                 dirtype,
2080                                 &conn->dirptr);
2081
2082         if (!NT_STATUS_IS_OK(ntstatus)) {
2083                 reply_nterror(req, ntstatus);
2084                 return;
2085         }
2086
2087         dptr_num = dptr_dnum(conn->dirptr);
2088         DEBUG(4,("dptr_num is %d, wcard = %s, attr = %d\n", dptr_num, mask, dirtype));
2089
2090         /* We don't need to check for VOL here as this is returned by
2091                 a different TRANS2 call. */
2092
2093         DEBUG(8,("dirpath=<%s> dontdescend=<%s>\n", conn->dirpath,lp_dontdescend(SNUM(conn))));
2094         if (in_list(conn->dirpath,lp_dontdescend(SNUM(conn)),conn->case_sensitive))
2095                 dont_descend = True;
2096
2097         p = pdata;
2098         space_remaining = max_data_bytes;
2099         out_of_space = False;
2100
2101         for (i=0;(i<maxentries) && !finished && !out_of_space;i++) {
2102                 bool got_exact_match = False;
2103
2104                 /* this is a heuristic to avoid seeking the dirptr except when
2105                         absolutely necessary. It allows for a filename of about 40 chars */
2106                 if (space_remaining < DIRLEN_GUESS && numentries > 0) {
2107                         out_of_space = True;
2108                         finished = False;
2109                 } else {
2110                         finished = !get_lanman2_dir_entry(ctx,
2111                                         conn,
2112                                         req->flags2,
2113                                         mask,dirtype,info_level,
2114                                         requires_resume_key,dont_descend,
2115                                         ask_sharemode,
2116                                         &p,pdata,data_end,
2117                                         space_remaining, &out_of_space,
2118                                         &got_exact_match,
2119                                         &last_entry_off, ea_list);
2120                 }
2121
2122                 if (finished && out_of_space)
2123                         finished = False;
2124
2125                 if (!finished && !out_of_space)
2126                         numentries++;
2127
2128                 /*
2129                  * As an optimisation if we know we aren't looking
2130                  * for a wildcard name (ie. the name matches the wildcard exactly)
2131                  * then we can finish on any (first) match.
2132                  * This speeds up large directory searches. JRA.
2133                  */
2134
2135                 if(got_exact_match)
2136                         finished = True;
2137
2138                 /* Ensure space_remaining never goes -ve. */
2139                 if (PTR_DIFF(p,pdata) > max_data_bytes) {
2140                         space_remaining = 0;
2141                         out_of_space = true;
2142                 } else {
2143                         space_remaining = max_data_bytes - PTR_DIFF(p,pdata);
2144                 }
2145         }
2146
2147         /* Check if we can close the dirptr */
2148         if(close_after_first || (finished && close_if_end)) {
2149                 DEBUG(5,("call_trans2findfirst - (2) closing dptr_num %d\n", dptr_num));
2150                 dptr_close(&dptr_num);
2151         }
2152
2153         /*
2154          * If there are no matching entries we must return ERRDOS/ERRbadfile -
2155          * from observation of NT. NB. This changes to ERRDOS,ERRnofiles if
2156          * the protocol level is less than NT1. Tested with smbclient. JRA.
2157          * This should fix the OS/2 client bug #2335.
2158          */
2159
2160         if(numentries == 0) {
2161                 dptr_close(&dptr_num);
2162                 if (Protocol < PROTOCOL_NT1) {
2163                         reply_doserror(req, ERRDOS, ERRnofiles);
2164                         return;
2165                 } else {
2166                         reply_botherror(req, NT_STATUS_NO_SUCH_FILE,
2167                                         ERRDOS, ERRbadfile);
2168                         return;
2169                 }
2170         }
2171
2172         /* At this point pdata points to numentries directory entries. */
2173
2174         /* Set up the return parameter block */
2175         SSVAL(params,0,dptr_num);
2176         SSVAL(params,2,numentries);
2177         SSVAL(params,4,finished);
2178         SSVAL(params,6,0); /* Never an EA error */
2179         SSVAL(params,8,last_entry_off);
2180
2181         send_trans2_replies(conn, req, params, 10, pdata, PTR_DIFF(p,pdata),
2182                             max_data_bytes);
2183
2184         if ((! *directory) && dptr_path(dptr_num)) {
2185                 directory = talloc_strdup(talloc_tos(),dptr_path(dptr_num));
2186                 if (!directory) {
2187                         reply_nterror(req, NT_STATUS_NO_MEMORY);
2188                 }
2189         }
2190
2191         DEBUG( 4, ( "%s mask=%s directory=%s dirtype=%d numentries=%d\n",
2192                 smb_fn_name(req->cmd),
2193                 mask, directory, dirtype, numentries ) );
2194
2195         /*
2196          * Force a name mangle here to ensure that the
2197          * mask as an 8.3 name is top of the mangled cache.
2198          * The reasons for this are subtle. Don't remove
2199          * this code unless you know what you are doing
2200          * (see PR#13758). JRA.
2201          */
2202
2203         if(!mangle_is_8_3_wildcards( mask, False, conn->params)) {
2204                 char mangled_name[13];
2205                 name_to_8_3(mask, mangled_name, True, conn->params);
2206         }
2207
2208         return;
2209 }
2210
2211 /****************************************************************************
2212  Reply to a TRANS2_FINDNEXT.
2213 ****************************************************************************/
2214
2215 static void call_trans2findnext(connection_struct *conn,
2216                                 struct smb_request *req,
2217                                 char **pparams, int total_params,
2218                                 char **ppdata, int total_data,
2219                                 unsigned int max_data_bytes)
2220 {
2221         /* We must be careful here that we don't return more than the
2222                 allowed number of data bytes. If this means returning fewer than
2223                 maxentries then so be it. We assume that the redirector has
2224                 enough room for the fixed number of parameter bytes it has
2225                 requested. */
2226         char *params = *pparams;
2227         char *pdata = *ppdata;
2228         char *data_end;
2229         int dptr_num;
2230         int maxentries;
2231         uint16 info_level;
2232         uint32 resume_key;
2233         uint16 findnext_flags;
2234         bool close_after_request;
2235         bool close_if_end;
2236         bool requires_resume_key;
2237         bool continue_bit;
2238         bool mask_contains_wcard = False;
2239         char *resume_name = NULL;
2240         const char *mask = NULL;
2241         const char *directory = NULL;
2242         char *p = NULL;
2243         uint16 dirtype;
2244         int numentries = 0;
2245         int i, last_entry_off=0;
2246         bool finished = False;
2247         bool dont_descend = False;
2248         bool out_of_space = False;
2249         int space_remaining;
2250         struct ea_list *ea_list = NULL;
2251         NTSTATUS ntstatus = NT_STATUS_OK;
2252         bool ask_sharemode = lp_parm_bool(SNUM(conn), "smbd", "search ask sharemode", true);
2253         TALLOC_CTX *ctx = talloc_tos();
2254
2255         if (total_params < 13) {
2256                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2257                 return;
2258         }
2259
2260         dptr_num = SVAL(params,0);
2261         maxentries = SVAL(params,2);
2262         info_level = SVAL(params,4);
2263         resume_key = IVAL(params,6);
2264         findnext_flags = SVAL(params,10);
2265         close_after_request = (findnext_flags & FLAG_TRANS2_FIND_CLOSE);
2266         close_if_end = (findnext_flags & FLAG_TRANS2_FIND_CLOSE_IF_END);
2267         requires_resume_key = (findnext_flags & FLAG_TRANS2_FIND_REQUIRE_RESUME);
2268         continue_bit = (findnext_flags & FLAG_TRANS2_FIND_CONTINUE);
2269
2270         srvstr_get_path_wcard(ctx, params, req->flags2, &resume_name,
2271                               params+12,
2272                               total_params - 12, STR_TERMINATE, &ntstatus,
2273                               &mask_contains_wcard);
2274         if (!NT_STATUS_IS_OK(ntstatus)) {
2275                 /* Win9x or OS/2 can send a resume name of ".." or ".". This will cause the parser to
2276                    complain (it thinks we're asking for the directory above the shared
2277                    path or an invalid name). Catch this as the resume name is only compared, never used in
2278                    a file access. JRA. */
2279                 srvstr_pull_talloc(ctx, params, req->flags2,
2280                                 &resume_name, params+12,
2281                                 total_params - 12,
2282                                 STR_TERMINATE);
2283
2284                 if (!resume_name || !(ISDOT(resume_name) || ISDOTDOT(resume_name))) {
2285                         reply_nterror(req, ntstatus);
2286                         return;
2287                 }
2288         }
2289
2290         DEBUG(3,("call_trans2findnext: dirhandle = %d, max_data_bytes = %d, maxentries = %d, \
2291 close_after_request=%d, close_if_end = %d requires_resume_key = %d \
2292 resume_key = %d resume name = %s continue=%d level = %d\n",
2293                 dptr_num, max_data_bytes, maxentries, close_after_request, close_if_end,
2294                 requires_resume_key, resume_key, resume_name, continue_bit, info_level));
2295
2296         if (!maxentries) {
2297                 /* W2K3 seems to treat zero as 1. */
2298                 maxentries = 1;
2299         }
2300
2301         switch (info_level) {
2302                 case SMB_FIND_INFO_STANDARD:
2303                 case SMB_FIND_EA_SIZE:
2304                 case SMB_FIND_EA_LIST:
2305                 case SMB_FIND_FILE_DIRECTORY_INFO:
2306                 case SMB_FIND_FILE_FULL_DIRECTORY_INFO:
2307                 case SMB_FIND_FILE_NAMES_INFO:
2308                 case SMB_FIND_FILE_BOTH_DIRECTORY_INFO:
2309                 case SMB_FIND_ID_FULL_DIRECTORY_INFO:
2310                 case SMB_FIND_ID_BOTH_DIRECTORY_INFO:
2311                         break;
2312                 case SMB_FIND_FILE_UNIX:
2313                 case SMB_FIND_FILE_UNIX_INFO2:
2314                         /* Always use filesystem for UNIX mtime query. */
2315                         ask_sharemode = false;
2316                         if (!lp_unix_extensions()) {
2317                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2318                                 return;
2319                         }
2320                         break;
2321                 default:
2322                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2323                         return;
2324         }
2325
2326         if (info_level == SMB_FIND_EA_LIST) {
2327                 uint32 ea_size;
2328
2329                 if (total_data < 4) {
2330                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2331                         return;
2332                 }
2333
2334                 ea_size = IVAL(pdata,0);
2335                 if (ea_size != total_data) {
2336                         DEBUG(4,("call_trans2findnext: Rejecting EA request with incorrect \
2337 total_data=%u (should be %u)\n", (unsigned int)total_data, (unsigned int)IVAL(pdata,0) ));
2338                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2339                         return;
2340                 }
2341
2342                 if (!lp_ea_support(SNUM(conn))) {
2343                         reply_doserror(req, ERRDOS, ERReasnotsupported);
2344                         return;
2345                 }
2346
2347                 /* Pull out the list of names. */
2348                 ea_list = read_ea_name_list(ctx, pdata + 4, ea_size - 4);
2349                 if (!ea_list) {
2350                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2351                         return;
2352                 }
2353         }
2354
2355         *ppdata = (char *)SMB_REALLOC(
2356                 *ppdata, max_data_bytes + DIR_ENTRY_SAFETY_MARGIN);
2357         if(*ppdata == NULL) {
2358                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2359                 return;
2360         }
2361
2362         pdata = *ppdata;
2363         data_end = pdata + max_data_bytes + DIR_ENTRY_SAFETY_MARGIN - 1;
2364
2365         /* Realloc the params space */
2366         *pparams = (char *)SMB_REALLOC(*pparams, 6*SIZEOFWORD);
2367         if(*pparams == NULL ) {
2368                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2369                 return;
2370         }
2371
2372         params = *pparams;
2373
2374         /* Check that the dptr is valid */
2375         if(!(conn->dirptr = dptr_fetch_lanman2(dptr_num))) {
2376                 reply_doserror(req, ERRDOS, ERRnofiles);
2377                 return;
2378         }
2379
2380         string_set(&conn->dirpath,dptr_path(dptr_num));
2381
2382         /* Get the wildcard mask from the dptr */
2383         if((p = dptr_wcard(dptr_num))== NULL) {
2384                 DEBUG(2,("dptr_num %d has no wildcard\n", dptr_num));
2385                 reply_doserror(req, ERRDOS, ERRnofiles);
2386                 return;
2387         }
2388
2389         mask = p;
2390         directory = conn->dirpath;
2391
2392         /* Get the attr mask from the dptr */
2393         dirtype = dptr_attr(dptr_num);
2394
2395         DEBUG(3,("dptr_num is %d, mask = %s, attr = %x, dirptr=(0x%lX,%ld)\n",
2396                 dptr_num, mask, dirtype,
2397                 (long)conn->dirptr,
2398                 dptr_TellDir(conn->dirptr)));
2399
2400         /* We don't need to check for VOL here as this is returned by
2401                 a different TRANS2 call. */
2402
2403         DEBUG(8,("dirpath=<%s> dontdescend=<%s>\n",conn->dirpath,lp_dontdescend(SNUM(conn))));
2404         if (in_list(conn->dirpath,lp_dontdescend(SNUM(conn)),conn->case_sensitive))
2405                 dont_descend = True;
2406
2407         p = pdata;
2408         space_remaining = max_data_bytes;
2409         out_of_space = False;
2410
2411         /*
2412          * Seek to the correct position. We no longer use the resume key but
2413          * depend on the last file name instead.
2414          */
2415
2416         if(*resume_name && !continue_bit) {
2417                 SMB_STRUCT_STAT st;
2418
2419                 long current_pos = 0;
2420                 /*
2421                  * Remember, name_to_8_3 is called by
2422                  * get_lanman2_dir_entry(), so the resume name
2423                  * could be mangled. Ensure we check the unmangled name.
2424                  */
2425
2426                 if (mangle_is_mangled(resume_name, conn->params)) {
2427                         char *new_resume_name = NULL;
2428                         mangle_lookup_name_from_8_3(ctx,
2429                                                 resume_name,
2430                                                 &new_resume_name,
2431                                                 conn->params);
2432                         if (new_resume_name) {
2433                                 resume_name = new_resume_name;
2434                         }
2435                 }
2436
2437                 /*
2438                  * Fix for NT redirector problem triggered by resume key indexes
2439                  * changing between directory scans. We now return a resume key of 0
2440                  * and instead look for the filename to continue from (also given
2441                  * to us by NT/95/smbfs/smbclient). If no other scans have been done between the
2442                  * findfirst/findnext (as is usual) then the directory pointer
2443                  * should already be at the correct place.
2444                  */
2445
2446                 finished = !dptr_SearchDir(conn->dirptr, resume_name, &current_pos, &st);
2447         } /* end if resume_name && !continue_bit */
2448
2449         for (i=0;(i<(int)maxentries) && !finished && !out_of_space ;i++) {
2450                 bool got_exact_match = False;
2451
2452                 /* this is a heuristic to avoid seeking the dirptr except when
2453                         absolutely necessary. It allows for a filename of about 40 chars */
2454                 if (space_remaining < DIRLEN_GUESS && numentries > 0) {
2455                         out_of_space = True;
2456                         finished = False;
2457                 } else {
2458                         finished = !get_lanman2_dir_entry(ctx,
2459                                                 conn,
2460                                                 req->flags2,
2461                                                 mask,dirtype,info_level,
2462                                                 requires_resume_key,dont_descend,
2463                                                 ask_sharemode,
2464                                                 &p,pdata,data_end,
2465                                                 space_remaining, &out_of_space,
2466                                                 &got_exact_match,
2467                                                 &last_entry_off, ea_list);
2468                 }
2469
2470                 if (finished && out_of_space)
2471                         finished = False;
2472
2473                 if (!finished && !out_of_space)
2474                         numentries++;
2475
2476                 /*
2477                  * As an optimisation if we know we aren't looking
2478                  * for a wildcard name (ie. the name matches the wildcard exactly)
2479                  * then we can finish on any (first) match.
2480                  * This speeds up large directory searches. JRA.
2481                  */
2482
2483                 if(got_exact_match)
2484                         finished = True;
2485
2486                 space_remaining = max_data_bytes - PTR_DIFF(p,pdata);
2487         }
2488
2489         DEBUG( 3, ( "%s mask=%s directory=%s dirtype=%d numentries=%d\n",
2490                 smb_fn_name(req->cmd),
2491                 mask, directory, dirtype, numentries ) );
2492
2493         /* Check if we can close the dirptr */
2494         if(close_after_request || (finished && close_if_end)) {
2495                 DEBUG(5,("call_trans2findnext: closing dptr_num = %d\n", dptr_num));
2496                 dptr_close(&dptr_num); /* This frees up the saved mask */
2497         }
2498
2499         /* Set up the return parameter block */
2500         SSVAL(params,0,numentries);
2501         SSVAL(params,2,finished);
2502         SSVAL(params,4,0); /* Never an EA error */
2503         SSVAL(params,6,last_entry_off);
2504
2505         send_trans2_replies(conn, req, params, 8, pdata, PTR_DIFF(p,pdata),
2506                             max_data_bytes);
2507
2508         return;
2509 }
2510
2511 unsigned char *create_volume_objectid(connection_struct *conn, unsigned char objid[16])
2512 {
2513         E_md4hash(lp_servicename(SNUM(conn)),objid);
2514         return objid;
2515 }
2516
2517 static void samba_extended_info_version(struct smb_extended_info *extended_info)
2518 {
2519         SMB_ASSERT(extended_info != NULL);
2520
2521         extended_info->samba_magic = SAMBA_EXTENDED_INFO_MAGIC;
2522         extended_info->samba_version = ((SAMBA_VERSION_MAJOR & 0xff) << 24)
2523                                        | ((SAMBA_VERSION_MINOR & 0xff) << 16)
2524                                        | ((SAMBA_VERSION_RELEASE & 0xff) << 8);
2525 #ifdef SAMBA_VERSION_REVISION
2526         extended_info->samba_version |= (tolower(*SAMBA_VERSION_REVISION) - 'a' + 1) & 0xff;
2527 #endif
2528         extended_info->samba_subversion = 0;
2529 #ifdef SAMBA_VERSION_RC_RELEASE
2530         extended_info->samba_subversion |= (SAMBA_VERSION_RC_RELEASE & 0xff) << 24;
2531 #else
2532 #ifdef SAMBA_VERSION_PRE_RELEASE
2533         extended_info->samba_subversion |= (SAMBA_VERSION_PRE_RELEASE & 0xff) << 16;
2534 #endif
2535 #endif
2536 #ifdef SAMBA_VERSION_VENDOR_PATCH
2537         extended_info->samba_subversion |= (SAMBA_VERSION_VENDOR_PATCH & 0xffff);
2538 #endif
2539         extended_info->samba_gitcommitdate = 0;
2540 #ifdef SAMBA_VERSION_GIT_COMMIT_TIME
2541         unix_to_nt_time(&extended_info->samba_gitcommitdate, SAMBA_VERSION_GIT_COMMIT_TIME);
2542 #endif
2543
2544         memset(extended_info->samba_version_string, 0,
2545                sizeof(extended_info->samba_version_string));
2546
2547         snprintf (extended_info->samba_version_string,
2548                   sizeof(extended_info->samba_version_string),
2549                   "%s", samba_version_string());
2550 }
2551
2552 /****************************************************************************
2553  Reply to a TRANS2_QFSINFO (query filesystem info).
2554 ****************************************************************************/
2555
2556 static void call_trans2qfsinfo(connection_struct *conn,
2557                                struct smb_request *req,
2558                                char **pparams, int total_params,
2559                                char **ppdata, int total_data,
2560                                unsigned int max_data_bytes)
2561 {
2562         char *pdata, *end_data;
2563         char *params = *pparams;
2564         uint16 info_level;
2565         int data_len, len;
2566         SMB_STRUCT_STAT st;
2567         const char *vname = volume_label(SNUM(conn));
2568         int snum = SNUM(conn);
2569         char *fstype = lp_fstype(SNUM(conn));
2570         uint32 additional_flags = 0;
2571
2572         if (total_params < 2) {
2573                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2574                 return;
2575         }
2576
2577         info_level = SVAL(params,0);
2578
2579         if (IS_IPC(conn)) {
2580                 if (info_level != SMB_QUERY_CIFS_UNIX_INFO) {
2581                         DEBUG(0,("call_trans2qfsinfo: not an allowed "
2582                                 "info level (0x%x) on IPC$.\n",
2583                                 (unsigned int)info_level));
2584                         reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2585                         return;
2586                 }
2587         }
2588
2589         if (ENCRYPTION_REQUIRED(conn) && !req->encrypted) {
2590                 if (info_level != SMB_QUERY_CIFS_UNIX_INFO) {
2591                         DEBUG(0,("call_trans2qfsinfo: encryption required "
2592                                 "and info level 0x%x sent.\n",
2593                                 (unsigned int)info_level));
2594                         exit_server_cleanly("encryption required "
2595                                 "on connection");
2596                         return;
2597                 }
2598         }
2599
2600         DEBUG(3,("call_trans2qfsinfo: level = %d\n", info_level));
2601
2602         if(SMB_VFS_STAT(conn,".",&st)!=0) {
2603                 DEBUG(2,("call_trans2qfsinfo: stat of . failed (%s)\n", strerror(errno)));
2604                 reply_doserror(req, ERRSRV, ERRinvdevice);
2605                 return;
2606         }
2607
2608         *ppdata = (char *)SMB_REALLOC(
2609                 *ppdata, max_data_bytes + DIR_ENTRY_SAFETY_MARGIN);
2610         if (*ppdata == NULL ) {
2611                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2612                 return;
2613         }
2614
2615         pdata = *ppdata;
2616         memset((char *)pdata,'\0',max_data_bytes + DIR_ENTRY_SAFETY_MARGIN);
2617         end_data = pdata + max_data_bytes + DIR_ENTRY_SAFETY_MARGIN - 1;
2618
2619         switch (info_level) {
2620                 case SMB_INFO_ALLOCATION:
2621                 {
2622                         uint64_t dfree,dsize,bsize,block_size,sectors_per_unit,bytes_per_sector;
2623                         data_len = 18;
2624                         if (get_dfree_info(conn,".",False,&bsize,&dfree,&dsize) == (uint64_t)-1) {
2625                                 reply_unixerror(req, ERRHRD, ERRgeneral);
2626                                 return;
2627                         }
2628
2629                         block_size = lp_block_size(snum);
2630                         if (bsize < block_size) {
2631                                 uint64_t factor = block_size/bsize;
2632                                 bsize = block_size;
2633                                 dsize /= factor;
2634                                 dfree /= factor;
2635                         }
2636                         if (bsize > block_size) {
2637                                 uint64_t factor = bsize/block_size;
2638                                 bsize = block_size;
2639                                 dsize *= factor;
2640                                 dfree *= factor;
2641                         }
2642                         bytes_per_sector = 512;
2643                         sectors_per_unit = bsize/bytes_per_sector;
2644
2645                         DEBUG(5,("call_trans2qfsinfo : SMB_INFO_ALLOCATION id=%x, bsize=%u, cSectorUnit=%u, \
2646 cBytesSector=%u, cUnitTotal=%u, cUnitAvail=%d\n", (unsigned int)st.st_dev, (unsigned int)bsize, (unsigned int)sectors_per_unit,
2647                                 (unsigned int)bytes_per_sector, (unsigned int)dsize, (unsigned int)dfree));
2648
2649                         SIVAL(pdata,l1_idFileSystem,st.st_dev);
2650                         SIVAL(pdata,l1_cSectorUnit,sectors_per_unit);
2651                         SIVAL(pdata,l1_cUnit,dsize);
2652                         SIVAL(pdata,l1_cUnitAvail,dfree);
2653                         SSVAL(pdata,l1_cbSector,bytes_per_sector);
2654                         break;
2655                 }
2656
2657                 case SMB_INFO_VOLUME:
2658                         /* Return volume name */
2659                         /*
2660                          * Add volume serial number - hash of a combination of
2661                          * the called hostname and the service name.
2662                          */
2663                         SIVAL(pdata,0,str_checksum(lp_servicename(snum)) ^ (str_checksum(get_local_machine_name())<<16) );
2664                         /*
2665                          * Win2k3 and previous mess this up by sending a name length
2666                          * one byte short. I believe only older clients (OS/2 Win9x) use
2667                          * this call so try fixing this by adding a terminating null to
2668                          * the pushed string. The change here was adding the STR_TERMINATE. JRA.
2669                          */
2670                         len = srvstr_push(
2671                                 pdata, req->flags2,
2672                                 pdata+l2_vol_szVolLabel, vname,
2673                                 PTR_DIFF(end_data, pdata+l2_vol_szVolLabel),
2674                                 STR_NOALIGN|STR_TERMINATE);
2675                         SCVAL(pdata,l2_vol_cch,len);
2676                         data_len = l2_vol_szVolLabel + len;
2677                         DEBUG(5,("call_trans2qfsinfo : time = %x, namelen = %d, name = %s\n",
2678                                 (unsigned)st.st_ctime, len, vname));
2679                         break;
2680
2681                 case SMB_QUERY_FS_ATTRIBUTE_INFO:
2682                 case SMB_FS_ATTRIBUTE_INFORMATION:
2683
2684                         additional_flags = 0;
2685 #if defined(HAVE_SYS_QUOTAS)
2686                         additional_flags |= FILE_VOLUME_QUOTAS;
2687 #endif
2688
2689                         if(lp_nt_acl_support(SNUM(conn))) {
2690                                 additional_flags |= FILE_PERSISTENT_ACLS;
2691                         }
2692
2693                         /* Capabilities are filled in at connection time through STATVFS call */
2694                         additional_flags |= conn->fs_capabilities;
2695
2696                         SIVAL(pdata,0,FILE_CASE_PRESERVED_NAMES|FILE_CASE_SENSITIVE_SEARCH|
2697                                 FILE_SUPPORTS_OBJECT_IDS|FILE_UNICODE_ON_DISK|
2698                                 additional_flags); /* FS ATTRIBUTES */
2699
2700                         SIVAL(pdata,4,255); /* Max filename component length */
2701                         /* NOTE! the fstype must *not* be null terminated or win98 won't recognise it
2702                                 and will think we can't do long filenames */
2703                         len = srvstr_push(pdata, req->flags2, pdata+12, fstype,
2704                                           PTR_DIFF(end_data, pdata+12),
2705                                           STR_UNICODE);
2706                         SIVAL(pdata,8,len);
2707                         data_len = 12 + len;
2708                         break;
2709
2710                 case SMB_QUERY_FS_LABEL_INFO:
2711                 case SMB_FS_LABEL_INFORMATION:
2712                         len = srvstr_push(pdata, req->flags2, pdata+4, vname,
2713                                           PTR_DIFF(end_data, pdata+4), 0);
2714                         data_len = 4 + len;
2715                         SIVAL(pdata,0,len);
2716                         break;
2717
2718                 case SMB_QUERY_FS_VOLUME_INFO:
2719                 case SMB_FS_VOLUME_INFORMATION:
2720
2721                         /*
2722                          * Add volume serial number - hash of a combination of
2723                          * the called hostname and the service name.
2724                          */
2725                         SIVAL(pdata,8,str_checksum(lp_servicename(snum)) ^
2726                                 (str_checksum(get_local_machine_name())<<16));
2727
2728                         /* Max label len is 32 characters. */
2729                         len = srvstr_push(pdata, req->flags2, pdata+18, vname,
2730                                           PTR_DIFF(end_data, pdata+18),
2731                                           STR_UNICODE);
2732                         SIVAL(pdata,12,len);
2733                         data_len = 18+len;
2734
2735                         DEBUG(5,("call_trans2qfsinfo : SMB_QUERY_FS_VOLUME_INFO namelen = %d, vol=%s serv=%s\n",
2736                                 (int)strlen(vname),vname, lp_servicename(snum)));
2737                         break;
2738
2739                 case SMB_QUERY_FS_SIZE_INFO:
2740                 case SMB_FS_SIZE_INFORMATION:
2741                 {
2742                         uint64_t dfree,dsize,bsize,block_size,sectors_per_unit,bytes_per_sector;
2743                         data_len = 24;
2744                         if (get_dfree_info(conn,".",False,&bsize,&dfree,&dsize) == (uint64_t)-1) {
2745                                 reply_unixerror(req, ERRHRD, ERRgeneral);
2746                                 return;
2747                         }
2748                         block_size = lp_block_size(snum);
2749                         if (bsize < block_size) {
2750                                 uint64_t factor = block_size/bsize;
2751                                 bsize = block_size;
2752                                 dsize /= factor;
2753                                 dfree /= factor;
2754                         }
2755                         if (bsize > block_size) {
2756                                 uint64_t factor = bsize/block_size;
2757                                 bsize = block_size;
2758                                 dsize *= factor;
2759                                 dfree *= factor;
2760                         }
2761                         bytes_per_sector = 512;
2762                         sectors_per_unit = bsize/bytes_per_sector;
2763                         DEBUG(5,("call_trans2qfsinfo : SMB_QUERY_FS_SIZE_INFO bsize=%u, cSectorUnit=%u, \
2764 cBytesSector=%u, cUnitTotal=%u, cUnitAvail=%d\n", (unsigned int)bsize, (unsigned int)sectors_per_unit,
2765                                 (unsigned int)bytes_per_sector, (unsigned int)dsize, (unsigned int)dfree));
2766                         SBIG_UINT(pdata,0,dsize);
2767                         SBIG_UINT(pdata,8,dfree);
2768                         SIVAL(pdata,16,sectors_per_unit);
2769                         SIVAL(pdata,20,bytes_per_sector);
2770                         break;
2771                 }
2772
2773                 case SMB_FS_FULL_SIZE_INFORMATION:
2774                 {
2775                         uint64_t dfree,dsize,bsize,block_size,sectors_per_unit,bytes_per_sector;
2776                         data_len = 32;
2777                         if (get_dfree_info(conn,".",False,&bsize,&dfree,&dsize) == (uint64_t)-1) {
2778                                 reply_unixerror(req, ERRHRD, ERRgeneral);
2779                                 return;
2780                         }
2781                         block_size = lp_block_size(snum);
2782                         if (bsize < block_size) {
2783                                 uint64_t factor = block_size/bsize;
2784                                 bsize = block_size;
2785                                 dsize /= factor;
2786                                 dfree /= factor;
2787                         }
2788                         if (bsize > block_size) {
2789                                 uint64_t factor = bsize/block_size;
2790                                 bsize = block_size;
2791                                 dsize *= factor;
2792                                 dfree *= factor;
2793                         }
2794                         bytes_per_sector = 512;
2795                         sectors_per_unit = bsize/bytes_per_sector;
2796                         DEBUG(5,("call_trans2qfsinfo : SMB_QUERY_FS_FULL_SIZE_INFO bsize=%u, cSectorUnit=%u, \
2797 cBytesSector=%u, cUnitTotal=%u, cUnitAvail=%d\n", (unsigned int)bsize, (unsigned int)sectors_per_unit,
2798                                 (unsigned int)bytes_per_sector, (unsigned int)dsize, (unsigned int)dfree));
2799                         SBIG_UINT(pdata,0,dsize); /* Total Allocation units. */
2800                         SBIG_UINT(pdata,8,dfree); /* Caller available allocation units. */
2801                         SBIG_UINT(pdata,16,dfree); /* Actual available allocation units. */
2802                         SIVAL(pdata,24,sectors_per_unit); /* Sectors per allocation unit. */
2803                         SIVAL(pdata,28,bytes_per_sector); /* Bytes per sector. */
2804                         break;
2805                 }
2806
2807                 case SMB_QUERY_FS_DEVICE_INFO:
2808                 case SMB_FS_DEVICE_INFORMATION:
2809                         data_len = 8;
2810                         SIVAL(pdata,0,0); /* dev type */
2811                         SIVAL(pdata,4,0); /* characteristics */
2812                         break;
2813
2814 #ifdef HAVE_SYS_QUOTAS
2815                 case SMB_FS_QUOTA_INFORMATION:
2816                 /*
2817                  * what we have to send --metze:
2818                  *
2819                  * Unknown1:            24 NULL bytes
2820                  * Soft Quota Treshold: 8 bytes seems like uint64_t or so
2821                  * Hard Quota Limit:    8 bytes seems like uint64_t or so
2822                  * Quota Flags:         2 byte :
2823                  * Unknown3:            6 NULL bytes
2824                  *
2825                  * 48 bytes total
2826                  *
2827                  * details for Quota Flags:
2828                  *
2829                  * 0x0020 Log Limit: log if the user exceeds his Hard Quota
2830                  * 0x0010 Log Warn:  log if the user exceeds his Soft Quota
2831                  * 0x0002 Deny Disk: deny disk access when the user exceeds his Hard Quota
2832                  * 0x0001 Enable Quotas: enable quota for this fs
2833                  *
2834                  */
2835                 {
2836                         /* we need to fake up a fsp here,
2837                          * because its not send in this call
2838                          */
2839                         files_struct fsp;
2840                         SMB_NTQUOTA_STRUCT quotas;
2841
2842                         ZERO_STRUCT(fsp);
2843                         ZERO_STRUCT(quotas);
2844
2845                         fsp.conn = conn;
2846                         fsp.fnum = -1;
2847
2848                         /* access check */
2849                         if (conn->server_info->utok.uid != 0) {
2850                                 DEBUG(0,("set_user_quota: access_denied "
2851                                          "service [%s] user [%s]\n",
2852                                          lp_servicename(SNUM(conn)),
2853                                          conn->server_info->unix_name));
2854                                 reply_doserror(req, ERRDOS, ERRnoaccess);
2855                                 return;
2856                         }
2857
2858                         if (vfs_get_ntquota(&fsp, SMB_USER_FS_QUOTA_TYPE, NULL, &quotas)!=0) {
2859                                 DEBUG(0,("vfs_get_ntquota() failed for service [%s]\n",lp_servicename(SNUM(conn))));
2860                                 reply_doserror(req, ERRSRV, ERRerror);
2861                                 return;
2862                         }
2863
2864                         data_len = 48;
2865
2866                         DEBUG(10,("SMB_FS_QUOTA_INFORMATION: for service [%s]\n",lp_servicename(SNUM(conn))));
2867
2868                         /* Unknown1 24 NULL bytes*/
2869                         SBIG_UINT(pdata,0,(uint64_t)0);
2870                         SBIG_UINT(pdata,8,(uint64_t)0);
2871                         SBIG_UINT(pdata,16,(uint64_t)0);
2872
2873                         /* Default Soft Quota 8 bytes */
2874                         SBIG_UINT(pdata,24,quotas.softlim);
2875
2876                         /* Default Hard Quota 8 bytes */
2877                         SBIG_UINT(pdata,32,quotas.hardlim);
2878
2879                         /* Quota flag 2 bytes */
2880                         SSVAL(pdata,40,quotas.qflags);
2881
2882                         /* Unknown3 6 NULL bytes */
2883                         SSVAL(pdata,42,0);
2884                         SIVAL(pdata,44,0);
2885
2886                         break;
2887                 }
2888 #endif /* HAVE_SYS_QUOTAS */
2889                 case SMB_FS_OBJECTID_INFORMATION:
2890                 {
2891                         unsigned char objid[16];
2892                         struct smb_extended_info extended_info;
2893                         memcpy(pdata,create_volume_objectid(conn, objid),16);
2894                         samba_extended_info_version (&extended_info);
2895                         SIVAL(pdata,16,extended_info.samba_magic);
2896                         SIVAL(pdata,20,extended_info.samba_version);
2897                         SIVAL(pdata,24,extended_info.samba_subversion);
2898                         SBIG_UINT(pdata,28,extended_info.samba_gitcommitdate);
2899                         memcpy(pdata+36,extended_info.samba_version_string,28);
2900                         data_len = 64;
2901                         break;
2902                 }
2903
2904                 /*
2905                  * Query the version and capabilities of the CIFS UNIX extensions
2906                  * in use.
2907                  */
2908
2909                 case SMB_QUERY_CIFS_UNIX_INFO:
2910                 {
2911                         bool large_write = lp_min_receive_file_size() &&
2912                                                 !srv_is_signing_active();
2913                         bool large_read = !srv_is_signing_active();
2914                         int encrypt_caps = 0;
2915
2916                         if (!lp_unix_extensions()) {
2917                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2918                                 return;
2919                         }
2920
2921                         switch (conn->encrypt_level) {
2922                         case 0:
2923                                 encrypt_caps = 0;
2924                                 break;
2925                         case 1:
2926                         case Auto:
2927                                 encrypt_caps = CIFS_UNIX_TRANSPORT_ENCRYPTION_CAP;
2928                                 break;
2929                         case Required:
2930                                 encrypt_caps = CIFS_UNIX_TRANSPORT_ENCRYPTION_CAP|
2931                                                 CIFS_UNIX_TRANSPORT_ENCRYPTION_MANDATORY_CAP;
2932                                 large_write = false;
2933                                 large_read = false;
2934                                 break;
2935                         }
2936
2937                         data_len = 12;
2938                         SSVAL(pdata,0,CIFS_UNIX_MAJOR_VERSION);
2939                         SSVAL(pdata,2,CIFS_UNIX_MINOR_VERSION);
2940
2941                         /* We have POSIX ACLs, pathname, encryption,
2942                          * large read/write, and locking capability. */
2943
2944                         SBIG_UINT(pdata,4,((uint64_t)(
2945                                         CIFS_UNIX_POSIX_ACLS_CAP|
2946                                         CIFS_UNIX_POSIX_PATHNAMES_CAP|
2947                                         CIFS_UNIX_FCNTL_LOCKS_CAP|
2948                                         CIFS_UNIX_EXTATTR_CAP|
2949                                         CIFS_UNIX_POSIX_PATH_OPERATIONS_CAP|
2950                                         encrypt_caps|
2951                                         (large_read ? CIFS_UNIX_LARGE_READ_CAP : 0) |
2952                                         (large_write ?
2953                                         CIFS_UNIX_LARGE_WRITE_CAP : 0))));
2954                         break;
2955                 }
2956
2957                 case SMB_QUERY_POSIX_FS_INFO:
2958                 {
2959                         int rc;
2960                         vfs_statvfs_struct svfs;
2961
2962                         if (!lp_unix_extensions()) {
2963                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2964                                 return;
2965                         }
2966
2967                         rc = SMB_VFS_STATVFS(conn, ".", &svfs);
2968
2969                         if (!rc) {
2970                                 data_len = 56;
2971                                 SIVAL(pdata,0,svfs.OptimalTransferSize);
2972                                 SIVAL(pdata,4,svfs.BlockSize);
2973                                 SBIG_UINT(pdata,8,svfs.TotalBlocks);
2974                                 SBIG_UINT(pdata,16,svfs.BlocksAvail);
2975                                 SBIG_UINT(pdata,24,svfs.UserBlocksAvail);
2976                                 SBIG_UINT(pdata,32,svfs.TotalFileNodes);
2977                                 SBIG_UINT(pdata,40,svfs.FreeFileNodes);
2978                                 SBIG_UINT(pdata,48,svfs.FsIdentifier);
2979                                 DEBUG(5,("call_trans2qfsinfo : SMB_QUERY_POSIX_FS_INFO succsessful\n"));
2980 #ifdef EOPNOTSUPP
2981                         } else if (rc == EOPNOTSUPP) {
2982                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2983                                 return;
2984 #endif /* EOPNOTSUPP */
2985                         } else {
2986                                 DEBUG(0,("vfs_statvfs() failed for service [%s]\n",lp_servicename(SNUM(conn))));
2987                                 reply_doserror(req, ERRSRV, ERRerror);
2988                                 return;
2989                         }
2990                         break;
2991                 }
2992
2993                 case SMB_QUERY_POSIX_WHOAMI:
2994                 {
2995                         uint32_t flags = 0;
2996                         uint32_t sid_bytes;
2997                         int i;
2998
2999                         if (!lp_unix_extensions()) {
3000                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
3001                                 return;
3002                         }
3003
3004                         if (max_data_bytes < 40) {
3005                                 reply_nterror(req, NT_STATUS_BUFFER_TOO_SMALL);
3006                                 return;
3007                         }
3008
3009                         /* We ARE guest if global_sid_Builtin_Guests is
3010                          * in our list of SIDs.
3011                          */
3012                         if (nt_token_check_sid(&global_sid_Builtin_Guests,
3013                                                conn->server_info->ptok)) {
3014                                 flags |= SMB_WHOAMI_GUEST;
3015                         }
3016
3017                         /* We are NOT guest if global_sid_Authenticated_Users
3018                          * is in our list of SIDs.
3019                          */
3020                         if (nt_token_check_sid(&global_sid_Authenticated_Users,
3021                                                conn->server_info->ptok)) {
3022                                 flags &= ~SMB_WHOAMI_GUEST;
3023                         }
3024
3025                         /* NOTE: 8 bytes for UID/GID, irrespective of native
3026                          * platform size. This matches
3027                          * SMB_QUERY_FILE_UNIX_BASIC and friends.
3028                          */
3029                         data_len = 4 /* flags */
3030                             + 4 /* flag mask */
3031                             + 8 /* uid */
3032                             + 8 /* gid */
3033                             + 4 /* ngroups */
3034                             + 4 /* num_sids */
3035                             + 4 /* SID bytes */
3036                             + 4 /* pad/reserved */
3037                             + (conn->server_info->utok.ngroups * 8)
3038                                 /* groups list */
3039                             + (conn->server_info->ptok->num_sids *
3040                                     SID_MAX_SIZE)
3041                                 /* SID list */;
3042
3043                         SIVAL(pdata, 0, flags);
3044                         SIVAL(pdata, 4, SMB_WHOAMI_MASK);
3045                         SBIG_UINT(pdata, 8,
3046                                   (uint64_t)conn->server_info->utok.uid);
3047                         SBIG_UINT(pdata, 16,
3048                                   (uint64_t)conn->server_info->utok.gid);
3049
3050
3051                         if (data_len >= max_data_bytes) {
3052                                 /* Potential overflow, skip the GIDs and SIDs. */
3053
3054                                 SIVAL(pdata, 24, 0); /* num_groups */
3055                                 SIVAL(pdata, 28, 0); /* num_sids */
3056                                 SIVAL(pdata, 32, 0); /* num_sid_bytes */
3057                                 SIVAL(pdata, 36, 0); /* reserved */
3058
3059                                 data_len = 40;
3060                                 break;
3061                         }
3062
3063                         SIVAL(pdata, 24, conn->server_info->utok.ngroups);
3064                         SIVAL(pdata, 28, conn->server_info->num_sids);
3065
3066                         /* We walk the SID list twice, but this call is fairly
3067                          * infrequent, and I don't expect that it's performance
3068                          * sensitive -- jpeach
3069                          */
3070                         for (i = 0, sid_bytes = 0;
3071                              i < conn->server_info->ptok->num_sids; ++i) {
3072                                 sid_bytes += ndr_size_dom_sid(
3073                                         &conn->server_info->ptok->user_sids[i],
3074                                         0);
3075                         }
3076
3077                         /* SID list byte count */
3078                         SIVAL(pdata, 32, sid_bytes);
3079
3080                         /* 4 bytes pad/reserved - must be zero */
3081                         SIVAL(pdata, 36, 0);
3082                         data_len = 40;
3083
3084                         /* GID list */
3085                         for (i = 0; i < conn->server_info->utok.ngroups; ++i) {
3086                                 SBIG_UINT(pdata, data_len,
3087                                           (uint64_t)conn->server_info->utok.groups[i]);
3088                                 data_len += 8;
3089                         }
3090
3091                         /* SID list */
3092                         for (i = 0;
3093                             i < conn->server_info->ptok->num_sids; ++i) {
3094                                 int sid_len = ndr_size_dom_sid(
3095                                         &conn->server_info->ptok->user_sids[i],
3096                                         0);
3097
3098                                 sid_linearize(pdata + data_len, sid_len,
3099                                     &conn->server_info->ptok->user_sids[i]);
3100                                 data_len += sid_len;
3101                         }
3102
3103                         break;
3104                 }
3105
3106                 case SMB_MAC_QUERY_FS_INFO:
3107                         /*
3108                          * Thursby MAC extension... ONLY on NTFS filesystems
3109                          * once we do streams then we don't need this
3110                          */
3111                         if (strequal(lp_fstype(SNUM(conn)),"NTFS")) {
3112                                 data_len = 88;
3113                                 SIVAL(pdata,84,0x100); /* Don't support mac... */
3114                                 break;
3115                         }
3116                         /* drop through */
3117                 default:
3118                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
3119                         return;
3120         }
3121
3122
3123         send_trans2_replies(conn, req, params, 0, pdata, data_len,
3124                             max_data_bytes);
3125
3126         DEBUG( 4, ( "%s info_level = %d\n",
3127                     smb_fn_name(req->cmd), info_level) );
3128
3129         return;
3130 }
3131
3132 /****************************************************************************
3133  Reply to a TRANS2_SETFSINFO (set filesystem info).
3134 ****************************************************************************/
3135
3136 static void call_trans2setfsinfo(connection_struct *conn,
3137                                  struct smb_request *req,
3138                                  char **pparams, int total_params,
3139                                  char **ppdata, int total_data,
3140                                  unsigned int max_data_bytes)
3141 {
3142         char *pdata = *ppdata;
3143         char *params = *pparams;
3144         uint16 info_level;
3145
3146         DEBUG(10,("call_trans2setfsinfo: for service [%s]\n",lp_servicename(SNUM(conn))));
3147
3148         /*  */
3149         if (total_params < 4) {
3150                 DEBUG(0,("call_trans2setfsinfo: requires total_params(%d) >= 4 bytes!\n",
3151                         total_params));
3152                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3153                 return;
3154         }
3155
3156         info_level = SVAL(params,2);
3157
3158         if (IS_IPC(conn)) {
3159                 if (info_level != SMB_REQUEST_TRANSPORT_ENCRYPTION &&
3160                                 info_level != SMB_SET_CIFS_UNIX_INFO) {
3161                         DEBUG(0,("call_trans2setfsinfo: not an allowed "
3162                                 "info level (0x%x) on IPC$.\n",
3163                                 (unsigned int)info_level));
3164                         reply_nterror(req, NT_STATUS_ACCESS_DENIED);
3165                         return;
3166                 }
3167         }
3168
3169         if (ENCRYPTION_REQUIRED(conn) && !req->encrypted) {
3170                 if (info_level != SMB_REQUEST_TRANSPORT_ENCRYPTION) {
3171                         DEBUG(0,("call_trans2setfsinfo: encryption required "
3172                                 "and info level 0x%x sent.\n",
3173                                 (unsigned int)info_level));
3174                         exit_server_cleanly("encryption required "
3175                                 "on connection");
3176                         return;
3177                 }
3178         }
3179
3180         switch(info_level) {
3181                 case SMB_SET_CIFS_UNIX_INFO:
3182                         {
3183                                 uint16 client_unix_major;
3184                                 uint16 client_unix_minor;
3185                                 uint32 client_unix_cap_low;
3186                                 uint32 client_unix_cap_high;
3187
3188                                 if (!lp_unix_extensions()) {
3189                                         reply_nterror(req,
3190                                                       NT_STATUS_INVALID_LEVEL);
3191                                         return;
3192                                 }
3193
3194                                 /* There should be 12 bytes of capabilities set. */
3195                                 if (total_data < 8) {
3196                                         reply_nterror(
3197                                                 req,
3198                                                 NT_STATUS_INVALID_PARAMETER);
3199                                         return;
3200                                 }
3201                                 client_unix_major = SVAL(pdata,0);
3202                                 client_unix_minor = SVAL(pdata,2);
3203                                 client_unix_cap_low = IVAL(pdata,4);
3204                                 client_unix_cap_high = IVAL(pdata,8);
3205                                 /* Just print these values for now. */
3206                                 DEBUG(10,("call_trans2setfsinfo: set unix info. major = %u, minor = %u \
3207 cap_low = 0x%x, cap_high = 0x%x\n",
3208                                         (unsigned int)client_unix_major,
3209                                         (unsigned int)client_unix_minor,
3210                                         (unsigned int)client_unix_cap_low,
3211                                         (unsigned int)client_unix_cap_high ));
3212
3213                                 /* Here is where we must switch to posix pathname processing... */
3214                                 if (client_unix_cap_low & CIFS_UNIX_POSIX_PATHNAMES_CAP) {
3215                                         lp_set_posix_pathnames();
3216                                         mangle_change_to_posix();
3217                                 }
3218
3219                                 if ((client_unix_cap_low & CIFS_UNIX_FCNTL_LOCKS_CAP) &&
3220                                     !(client_unix_cap_low & CIFS_UNIX_POSIX_PATH_OPERATIONS_CAP)) {
3221                                         /* Client that knows how to do posix locks,
3222                                          * but not posix open/mkdir operations. Set a
3223                                          * default type for read/write checks. */
3224
3225                                         lp_set_posix_default_cifsx_readwrite_locktype(POSIX_LOCK);
3226
3227                                 }
3228                                 break;
3229                         }
3230
3231                 case SMB_REQUEST_TRANSPORT_ENCRYPTION:
3232                         {
3233                                 NTSTATUS status;
3234                                 size_t param_len = 0;
3235                                 size_t data_len = total_data;
3236
3237                                 if (!lp_unix_extensions()) {
3238                                         reply_nterror(
3239                                                 req,
3240                                                 NT_STATUS_INVALID_LEVEL);
3241                                         return;
3242                                 }
3243
3244                                 if (lp_smb_encrypt(SNUM(conn)) == false) {
3245                                         reply_nterror(
3246                                                 req,
3247                                                 NT_STATUS_NOT_SUPPORTED);
3248                                         return;
3249                                 }
3250
3251                                 DEBUG( 4,("call_trans2setfsinfo: "
3252                                         "request transport encryption.\n"));
3253
3254                                 status = srv_request_encryption_setup(conn,
3255                                                                 (unsigned char **)ppdata,
3256                                                                 &data_len,
3257                                                                 (unsigned char **)pparams,
3258                                                                 &param_len);
3259
3260                                 if (!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED) &&
3261                                                 !NT_STATUS_IS_OK(status)) {
3262                                         reply_nterror(req, status);
3263                                         return;
3264                                 }
3265
3266                                 send_trans2_replies(conn, req,
3267                                                 *pparams,
3268                                                 param_len,
3269                                                 *ppdata,
3270                                                 data_len,
3271                                                 max_data_bytes);
3272
3273                                 if (NT_STATUS_IS_OK(status)) {
3274                                         /* Server-side transport
3275                                          * encryption is now *on*. */
3276                                         status = srv_encryption_start(conn);
3277                                         if (!NT_STATUS_IS_OK(status)) {
3278                                                 exit_server_cleanly(
3279                                                         "Failure in setting "
3280                                                         "up encrypted transport");
3281                                         }
3282                                 }
3283                                 return;
3284                         }
3285
3286                 case SMB_FS_QUOTA_INFORMATION:
3287                         {
3288                                 files_struct *fsp = NULL;
3289                                 SMB_NTQUOTA_STRUCT quotas;
3290
3291                                 ZERO_STRUCT(quotas);
3292
3293                                 /* access check */
3294                                 if ((conn->server_info->utok.uid != 0)
3295                                     ||!CAN_WRITE(conn)) {
3296                                         DEBUG(0,("set_user_quota: access_denied service [%s] user [%s]\n",
3297                                                  lp_servicename(SNUM(conn)),
3298                                                  conn->server_info->unix_name));
3299                                         reply_doserror(req, ERRSRV, ERRaccess);
3300                                         return;
3301                                 }
3302
3303                                 /* note: normaly there're 48 bytes,
3304                                  * but we didn't use the last 6 bytes for now
3305                                  * --metze
3306                                  */
3307                                 fsp = file_fsp(req, SVAL(params,0));
3308
3309                                 if (!check_fsp_ntquota_handle(conn, req,
3310                                                               fsp)) {
3311                                         DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
3312                                         reply_nterror(
3313                                                 req, NT_STATUS_INVALID_HANDLE);
3314                                         return;
3315                                 }
3316
3317                                 if (total_data < 42) {
3318                                         DEBUG(0,("call_trans2setfsinfo: SET_FS_QUOTA: requires total_data(%d) >= 42 bytes!\n",
3319                                                 total_data));
3320                                         reply_nterror(
3321                                                 req,
3322                                                 NT_STATUS_INVALID_PARAMETER);
3323                                         return;
3324                                 }
3325
3326                                 /* unknown_1 24 NULL bytes in pdata*/
3327
3328                                 /* the soft quotas 8 bytes (uint64_t)*/
3329                                 quotas.softlim = (uint64_t)IVAL(pdata,24);
3330 #ifdef LARGE_SMB_OFF_T
3331                                 quotas.softlim |= (((uint64_t)IVAL(pdata,28)) << 32);
3332 #else /* LARGE_SMB_OFF_T */
3333                                 if ((IVAL(pdata,28) != 0)&&
3334                                         ((quotas.softlim != 0xFFFFFFFF)||
3335                                         (IVAL(pdata,28)!=0xFFFFFFFF))) {
3336                                         /* more than 32 bits? */
3337                                         reply_nterror(
3338                                                 req,
3339                                                 NT_STATUS_INVALID_PARAMETER);
3340                                         return;
3341                                 }
3342 #endif /* LARGE_SMB_OFF_T */
3343
3344                                 /* the hard quotas 8 bytes (uint64_t)*/
3345                                 quotas.hardlim = (uint64_t)IVAL(pdata,32);
3346 #ifdef LARGE_SMB_OFF_T
3347                                 quotas.hardlim |= (((uint64_t)IVAL(pdata,36)) << 32);
3348 #else /* LARGE_SMB_OFF_T */
3349                                 if ((IVAL(pdata,36) != 0)&&
3350                                         ((quotas.hardlim != 0xFFFFFFFF)||
3351                                         (IVAL(pdata,36)!=0xFFFFFFFF))) {
3352                                         /* more than 32 bits? */
3353                                         reply_nterror(
3354                                                 req,
3355                                                 NT_STATUS_INVALID_PARAMETER);
3356                                         return;
3357                                 }
3358 #endif /* LARGE_SMB_OFF_T */
3359
3360                                 /* quota_flags 2 bytes **/
3361                                 quotas.qflags = SVAL(pdata,40);
3362
3363                                 /* unknown_2 6 NULL bytes follow*/
3364
3365                                 /* now set the quotas */
3366                                 if (vfs_set_ntquota(fsp, SMB_USER_FS_QUOTA_TYPE, NULL, &quotas)!=0) {
3367                                         DEBUG(0,("vfs_set_ntquota() failed for service [%s]\n",lp_servicename(SNUM(conn))));
3368                                         reply_doserror(req, ERRSRV, ERRerror);
3369                                         return;
3370                                 }
3371
3372                                 break;
3373                         }
3374                 default:
3375                         DEBUG(3,("call_trans2setfsinfo: unknown level (0x%X) not implemented yet.\n",
3376                                 info_level));
3377                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
3378                         return;
3379                         break;
3380         }
3381
3382         /*
3383          * sending this reply works fine,
3384          * but I'm not sure it's the same
3385          * like windows do...
3386          * --metze
3387          */
3388         reply_outbuf(req, 10, 0);
3389 }
3390
3391 #if defined(HAVE_POSIX_ACLS)
3392 /****************************************************************************
3393  Utility function to count the number of entries in a POSIX acl.
3394 ****************************************************************************/
3395
3396 static unsigned int count_acl_entries(connection_struct *conn, SMB_ACL_T posix_acl)
3397 {
3398         unsigned int ace_count = 0;
3399         int entry_id = SMB_ACL_FIRST_ENTRY;
3400         SMB_ACL_ENTRY_T entry;
3401
3402         while ( posix_acl && (SMB_VFS_SYS_ACL_GET_ENTRY(conn, posix_acl, entry_id, &entry) == 1)) {
3403                 /* get_next... */
3404                 if (entry_id == SMB_ACL_FIRST_ENTRY) {
3405                         entry_id = SMB_ACL_NEXT_ENTRY;
3406                 }
3407                 ace_count++;
3408         }
3409         return ace_count;
3410 }
3411
3412 /****************************************************************************
3413  Utility function to marshall a POSIX acl into wire format.
3414 ****************************************************************************/
3415
3416 static bool marshall_posix_acl(connection_struct *conn, char *pdata, SMB_STRUCT_STAT *pst, SMB_ACL_T posix_acl)
3417 {
3418         int entry_id = SMB_ACL_FIRST_ENTRY;
3419         SMB_ACL_ENTRY_T entry;
3420
3421         while ( posix_acl && (SMB_VFS_SYS_ACL_GET_ENTRY(conn, posix_acl, entry_id, &entry) == 1)) {
3422                 SMB_ACL_TAG_T tagtype;
3423                 SMB_ACL_PERMSET_T permset;
3424                 unsigned char perms = 0;
3425                 unsigned int own_grp;
3426
3427                 /* get_next... */
3428                 if (entry_id == SMB_ACL_FIRST_ENTRY) {
3429                         entry_id = SMB_ACL_NEXT_ENTRY;
3430                 }
3431
3432                 if (SMB_VFS_SYS_ACL_GET_TAG_TYPE(conn, entry, &tagtype) == -1) {
3433                         DEBUG(0,("marshall_posix_acl: SMB_VFS_SYS_ACL_GET_TAG_TYPE failed.\n"));
3434                         return False;
3435                 }
3436
3437                 if (SMB_VFS_SYS_ACL_GET_PERMSET(conn, entry, &permset) == -1) {
3438                         DEBUG(0,("marshall_posix_acl: SMB_VFS_SYS_ACL_GET_PERMSET failed.\n"));
3439                         return False;
3440                 }
3441
3442                 perms |= (SMB_VFS_SYS_ACL_GET_PERM(conn, permset, SMB_ACL_READ) ? SMB_POSIX_ACL_READ : 0);
3443                 perms |= (SMB_VFS_SYS_ACL_GET_PERM(conn, permset, SMB_ACL_WRITE) ? SMB_POSIX_ACL_WRITE : 0);
3444                 perms |= (SMB_VFS_SYS_ACL_GET_PERM(conn, permset, SMB_ACL_EXECUTE) ? SMB_POSIX_ACL_EXECUTE : 0);
3445
3446                 SCVAL(pdata,1,perms);
3447
3448                 switch (tagtype) {
3449                         case SMB_ACL_USER_OBJ:
3450                                 SCVAL(pdata,0,SMB_POSIX_ACL_USER_OBJ);
3451                                 own_grp = (unsigned int)pst->st_uid;
3452                                 SIVAL(pdata,2,own_grp);
3453                                 SIVAL(pdata,6,0);
3454                                 break;
3455                         case SMB_ACL_USER:
3456                                 {
3457                                         uid_t *puid = (uid_t *)SMB_VFS_SYS_ACL_GET_QUALIFIER(conn, entry);
3458                                         if (!puid) {
3459                                                 DEBUG(0,("marshall_posix_acl: SMB_VFS_SYS_ACL_GET_QUALIFIER failed.\n"));
3460                                                 return False;
3461                                         }
3462                                         own_grp = (unsigned int)*puid;
3463                                         SMB_VFS_SYS_ACL_FREE_QUALIFIER(conn, (void *)puid,tagtype);
3464                                         SCVAL(pdata,0,SMB_POSIX_ACL_USER);
3465                                         SIVAL(pdata,2,own_grp);
3466                                         SIVAL(pdata,6,0);
3467                                         break;
3468                                 }
3469                         case SMB_ACL_GROUP_OBJ:
3470                                 SCVAL(pdata,0,SMB_POSIX_ACL_GROUP_OBJ);
3471                                 own_grp = (unsigned int)pst->st_gid;
3472                                 SIVAL(pdata,2,own_grp);
3473                                 SIVAL(pdata,6,0);
3474                                 break;
3475                         case SMB_ACL_GROUP:
3476                                 {
3477                                         gid_t *pgid= (gid_t *)SMB_VFS_SYS_ACL_GET_QUALIFIER(conn, entry);
3478                                         if (!pgid) {
3479                                                 DEBUG(0,("marshall_posix_acl: SMB_VFS_SYS_ACL_GET_QUALIFIER failed.\n"));
3480                                                 return False;
3481                                         }
3482                                         own_grp = (unsigned int)*pgid;
3483                                         SMB_VFS_SYS_ACL_FREE_QUALIFIER(conn, (void *)pgid,tagtype);
3484                                         SCVAL(pdata,0,SMB_POSIX_ACL_GROUP);
3485                                         SIVAL(pdata,2,own_grp);
3486                                         SIVAL(pdata,6,0);
3487                                         break;
3488                                 }
3489                         case SMB_ACL_MASK:
3490                                 SCVAL(pdata,0,SMB_POSIX_ACL_MASK);
3491                                 SIVAL(pdata,2,0xFFFFFFFF);
3492                                 SIVAL(pdata,6,0xFFFFFFFF);
3493                                 break;
3494                         case SMB_ACL_OTHER:
3495                                 SCVAL(pdata,0,SMB_POSIX_ACL_OTHER);
3496                                 SIVAL(pdata,2,0xFFFFFFFF);
3497                                 SIVAL(pdata,6,0xFFFFFFFF);
3498                                 break;
3499                         default:
3500                                 DEBUG(0,("marshall_posix_acl: unknown tagtype.\n"));
3501                                 return False;
3502                 }
3503                 pdata += SMB_POSIX_ACL_ENTRY_SIZE;
3504         }
3505
3506         return True;
3507 }
3508 #endif
3509
3510 /****************************************************************************
3511  Store the FILE_UNIX_BASIC info.
3512 ****************************************************************************/
3513
3514 static char *store_file_unix_basic(connection_struct *conn,
3515                                 char *pdata,
3516                                 files_struct *fsp,
3517                                 const SMB_STRUCT_STAT *psbuf)
3518 {
3519         DEBUG(10,("store_file_unix_basic: SMB_QUERY_FILE_UNIX_BASIC\n"));
3520         DEBUG(4,("store_file_unix_basic: st_mode=%o\n",(int)psbuf->st_mode));
3521
3522         SOFF_T(pdata,0,get_file_size(*psbuf));             /* File size 64 Bit */
3523         pdata += 8;
3524
3525         SOFF_T(pdata,0,get_allocation_size(conn,fsp,psbuf)); /* Number of bytes used on disk - 64 Bit */
3526         pdata += 8;
3527
3528         put_long_date_timespec(pdata,get_ctimespec(psbuf));       /* Change Time 64 Bit */
3529         put_long_date_timespec(pdata+8,get_atimespec(psbuf));     /* Last access time 64 Bit */
3530         put_long_date_timespec(pdata+16,get_mtimespec(psbuf));    /* Last modification time 64 Bit */
3531         pdata += 24;
3532
3533         SIVAL(pdata,0,psbuf->st_uid);               /* user id for the owner */
3534         SIVAL(pdata,4,0);
3535         pdata += 8;
3536
3537         SIVAL(pdata,0,psbuf->st_gid);               /* group id of owner */
3538         SIVAL(pdata,4,0);
3539         pdata += 8;
3540
3541         SIVAL(pdata,0,unix_filetype(psbuf->st_mode));
3542         pdata += 4;
3543
3544         SIVAL(pdata,0,unix_dev_major(psbuf->st_rdev));   /* Major device number if type is device */
3545         SIVAL(pdata,4,0);
3546         pdata += 8;
3547
3548         SIVAL(pdata,0,unix_dev_minor(psbuf->st_rdev));   /* Minor device number if type is device */
3549         SIVAL(pdata,4,0);
3550         pdata += 8;
3551
3552         SINO_T_VAL(pdata,0,(SMB_INO_T)psbuf->st_ino);   /* inode number */
3553         pdata += 8;
3554
3555         SIVAL(pdata,0, unix_perms_to_wire(psbuf->st_mode));     /* Standard UNIX file permissions */
3556         SIVAL(pdata,4,0);
3557         pdata += 8;
3558
3559         SIVAL(pdata,0,psbuf->st_nlink);             /* number of hard links */
3560         SIVAL(pdata,4,0);
3561         pdata += 8;
3562
3563         return pdata;
3564 }
3565
3566 /* Forward and reverse mappings from the UNIX_INFO2 file flags field and
3567  * the chflags(2) (or equivalent) flags.
3568  *
3569  * XXX: this really should be behind the VFS interface. To do this, we would
3570  * need to alter SMB_STRUCT_STAT so that it included a flags and a mask field.
3571  * Each VFS module could then implement its own mapping as appropriate for the
3572  * platform. We would then pass the SMB flags into SMB_VFS_CHFLAGS.
3573  */
3574 static const struct {unsigned stat_fflag; unsigned smb_fflag;}
3575         info2_flags_map[] =
3576 {
3577 #ifdef UF_NODUMP
3578     { UF_NODUMP, EXT_DO_NOT_BACKUP },
3579 #endif
3580
3581 #ifdef UF_IMMUTABLE
3582     { UF_IMMUTABLE, EXT_IMMUTABLE },
3583 #endif
3584
3585 #ifdef UF_APPEND
3586     { UF_APPEND, EXT_OPEN_APPEND_ONLY },
3587 #endif
3588
3589 #ifdef UF_HIDDEN
3590     { UF_HIDDEN, EXT_HIDDEN },
3591 #endif
3592
3593     /* Do not remove. We need to guarantee that this array has at least one
3594      * entry to build on HP-UX.
3595      */
3596     { 0, 0 }
3597
3598 };
3599
3600 static void map_info2_flags_from_sbuf(const SMB_STRUCT_STAT *psbuf,
3601                                 uint32 *smb_fflags, uint32 *smb_fmask)
3602 {
3603 #ifdef HAVE_STAT_ST_FLAGS
3604         int i;
3605
3606         for (i = 0; i < ARRAY_SIZE(info2_flags_map); ++i) {
3607             *smb_fmask |= info2_flags_map[i].smb_fflag;
3608             if (psbuf->st_flags & info2_flags_map[i].stat_fflag) {
3609                     *smb_fflags |= info2_flags_map[i].smb_fflag;
3610             }
3611         }
3612 #endif /* HAVE_STAT_ST_FLAGS */
3613 }
3614
3615 static bool map_info2_flags_to_sbuf(const SMB_STRUCT_STAT *psbuf,
3616                                 const uint32 smb_fflags,
3617                                 const uint32 smb_fmask,
3618                                 int *stat_fflags)
3619 {
3620 #ifdef HAVE_STAT_ST_FLAGS
3621         uint32 max_fmask = 0;
3622         int i;
3623
3624         *stat_fflags = psbuf->st_flags;
3625
3626         /* For each flags requested in smb_fmask, check the state of the
3627          * corresponding flag in smb_fflags and set or clear the matching
3628          * stat flag.
3629          */
3630
3631         for (i = 0; i < ARRAY_SIZE(info2_flags_map); ++i) {
3632             max_fmask |= info2_flags_map[i].smb_fflag;
3633             if (smb_fmask & info2_flags_map[i].smb_fflag) {
3634                     if (smb_fflags & info2_flags_map[i].smb_fflag) {
3635                             *stat_fflags |= info2_flags_map[i].stat_fflag;
3636                     } else {
3637                             *stat_fflags &= ~info2_flags_map[i].stat_fflag;
3638                     }
3639             }
3640         }
3641
3642         /* If smb_fmask is asking to set any bits that are not supported by
3643          * our flag mappings, we should fail.
3644          */
3645         if ((smb_fmask & max_fmask) != smb_fmask) {
3646                 return False;
3647         }
3648
3649         return True;
3650 #else
3651         return False;
3652 #endif /* HAVE_STAT_ST_FLAGS */
3653 }
3654
3655
3656 /* Just like SMB_QUERY_FILE_UNIX_BASIC, but with the addition
3657  * of file flags and birth (create) time.
3658  */
3659 static char *store_file_unix_basic_info2(connection_struct *conn,
3660                                 char *pdata,
3661                                 files_struct *fsp,
3662                                 const SMB_STRUCT_STAT *psbuf)
3663 {
3664         uint32 file_flags = 0;
3665         uint32 flags_mask = 0;
3666
3667         pdata = store_file_unix_basic(conn, pdata, fsp, psbuf);
3668
3669         /* Create (birth) time 64 bit */
3670         put_long_date_timespec(pdata, get_create_timespec(psbuf, False));
3671         pdata += 8;
3672
3673         map_info2_flags_from_sbuf(psbuf, &file_flags, &flags_mask);
3674         SIVAL(pdata, 0, file_flags); /* flags */
3675         SIVAL(pdata, 4, flags_mask); /* mask */
3676         pdata += 8;
3677
3678         return pdata;
3679 }
3680
3681 static NTSTATUS marshall_stream_info(unsigned int num_streams,
3682                                      const struct stream_struct *streams,
3683                                      char *data,
3684                                      unsigned int max_data_bytes,
3685                                      unsigned int *data_size)
3686 {
3687         unsigned int i;
3688         unsigned int ofs = 0;
3689
3690         for (i=0; i<num_streams; i++) {
3691                 unsigned int next_offset;
3692                 size_t namelen;
3693                 smb_ucs2_t *namebuf;
3694
3695                 if (!push_ucs2_talloc(talloc_tos(), &namebuf,
3696                                       streams[i].name, &namelen) ||
3697                     namelen <= 2)
3698                 {
3699                         return NT_STATUS_INVALID_PARAMETER;
3700                 }
3701
3702                 /*
3703                  * name_buf is now null-terminated, we need to marshall as not
3704                  * terminated
3705                  */
3706
3707                 namelen -= 2;
3708
3709                 if (ofs + 24 + namelen > max_data_bytes) {
3710                         TALLOC_FREE(namebuf);
3711                         return NT_STATUS_BUFFER_TOO_SMALL;
3712                 }
3713
3714                 SIVAL(data, ofs+4, namelen);
3715                 SOFF_T(data, ofs+8, streams[i].size);
3716                 SOFF_T(data, ofs+16, streams[i].alloc_size);
3717                 memcpy(data+ofs+24, namebuf, namelen);
3718                 TALLOC_FREE(namebuf);
3719
3720                 next_offset = ofs + 24 + namelen;
3721
3722                 if (i == num_streams-1) {
3723                         SIVAL(data, ofs, 0);
3724                 }
3725                 else {
3726                         unsigned int align = ndr_align_size(next_offset, 8);
3727
3728                         if (next_offset + align > max_data_bytes) {
3729                                 return NT_STATUS_BUFFER_TOO_SMALL;
3730                         }
3731
3732                         memset(data+next_offset, 0, align);
3733                         next_offset += align;
3734
3735                         SIVAL(data, ofs, next_offset - ofs);
3736                         ofs = next_offset;
3737                 }
3738
3739                 ofs = next_offset;
3740         }
3741
3742         *data_size = ofs;
3743
3744         return NT_STATUS_OK;
3745 }
3746
3747 /****************************************************************************
3748  Reply to a TRANSACT2_QFILEINFO on a PIPE !
3749 ****************************************************************************/
3750
3751 static void call_trans2qpipeinfo(connection_struct *conn,
3752                                  struct smb_request *req,
3753                                  unsigned int tran_call,
3754                                  char **pparams, int total_params,
3755                                  char **ppdata, int total_data,
3756                                  unsigned int max_data_bytes)
3757 {
3758         char *params = *pparams;
3759         char *pdata = *ppdata;
3760         unsigned int data_size = 0;
3761         unsigned int param_size = 2;
3762         uint16 info_level;
3763         files_struct *fsp;
3764
3765         if (!params) {
3766                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3767                 return;
3768         }
3769
3770         if (total_params < 4) {
3771                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3772                 return;
3773         }
3774
3775         fsp = file_fsp(req, SVAL(params,0));
3776         if (!fsp_is_np(fsp)) {
3777                 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
3778                 return;
3779         }
3780
3781         info_level = SVAL(params,2);
3782
3783         *pparams = (char *)SMB_REALLOC(*pparams,2);
3784         if (*pparams == NULL) {
3785                 reply_nterror(req, NT_STATUS_NO_MEMORY);
3786                 return;
3787         }
3788         params = *pparams;
3789         SSVAL(params,0,0);
3790         data_size = max_data_bytes + DIR_ENTRY_SAFETY_MARGIN;
3791         *ppdata = (char *)SMB_REALLOC(*ppdata, data_size);
3792         if (*ppdata == NULL ) {
3793                 reply_nterror(req, NT_STATUS_NO_MEMORY);
3794                 return;
3795         }
3796         pdata = *ppdata;
3797
3798         switch (info_level) {
3799                 case SMB_FILE_STANDARD_INFORMATION:
3800                         memset(pdata,0,24);
3801                         SOFF_T(pdata,0,4096LL);
3802                         SIVAL(pdata,16,1);
3803                         SIVAL(pdata,20,1);
3804                         data_size = 24;
3805                         break;
3806
3807                 default:
3808                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
3809                         return;
3810         }
3811
3812         send_trans2_replies(conn, req, params, param_size, *ppdata, data_size,
3813                             max_data_bytes);
3814
3815         return;
3816 }
3817
3818 /****************************************************************************
3819  Reply to a TRANS2_QFILEPATHINFO or TRANSACT2_QFILEINFO (query file info by
3820  file name or file id).
3821 ****************************************************************************/
3822
3823 static void call_trans2qfilepathinfo(connection_struct *conn,
3824                                      struct smb_request *req,
3825                                      unsigned int tran_call,
3826                                      char **pparams, int total_params,
3827                                      char **ppdata, int total_data,
3828                                      unsigned int max_data_bytes)
3829 {
3830         char *params = *pparams;
3831         char *pdata = *ppdata;
3832         char *dstart, *dend;
3833         uint16 info_level;
3834         int mode=0;
3835         int nlink;
3836         SMB_OFF_T file_size=0;
3837         uint64_t allocation_size=0;
3838         unsigned int data_size = 0;
3839         unsigned int param_size = 2;
3840         SMB_STRUCT_STAT sbuf;
3841         char *dos_fname = NULL;
3842         char *fname = NULL;
3843         char *fullpathname;
3844         char *base_name;
3845         char *p;
3846         SMB_OFF_T pos = 0;
3847         bool delete_pending = False;
3848         int len;
3849         time_t create_time, mtime, atime;
3850         struct timespec create_time_ts, mtime_ts, atime_ts;
3851         struct timespec write_time_ts;
3852         files_struct *fsp = NULL;
3853         struct file_id fileid;
3854         struct ea_list *ea_list = NULL;
3855         char *lock_data = NULL;
3856         bool ms_dfs_link = false;
3857         TALLOC_CTX *ctx = talloc_tos();
3858
3859         if (!params) {
3860                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3861                 return;
3862         }
3863
3864         ZERO_STRUCT(sbuf);
3865         ZERO_STRUCT(write_time_ts);
3866
3867         if (tran_call == TRANSACT2_QFILEINFO) {
3868                 if (total_params < 4) {
3869                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3870                         return;
3871                 }
3872
3873                 if (IS_IPC(conn)) {
3874                         call_trans2qpipeinfo(conn, req, tran_call,
3875                                              pparams, total_params,
3876                                              ppdata, total_data,
3877                                              max_data_bytes);
3878                         return;
3879                 }
3880
3881                 fsp = file_fsp(req, SVAL(params,0));
3882                 info_level = SVAL(params,2);
3883
3884                 DEBUG(3,("call_trans2qfilepathinfo: TRANSACT2_QFILEINFO: level = %d\n", info_level));
3885
3886                 if (INFO_LEVEL_IS_UNIX(info_level) && !lp_unix_extensions()) {
3887                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
3888                         return;
3889                 }
3890
3891                 /* Initial check for valid fsp ptr. */
3892                 if (!check_fsp_open(conn, req, fsp)) {
3893                         return;
3894                 }
3895
3896                 fname = talloc_strdup(talloc_tos(),fsp->fsp_name);
3897                 if (!fname) {
3898                         reply_nterror(req, NT_STATUS_NO_MEMORY);
3899                         return;
3900                 }
3901
3902                 if(fsp->fake_file_handle) {
3903                         /*
3904                          * This is actually for the QUOTA_FAKE_FILE --metze
3905                          */
3906
3907                         /* We know this name is ok, it's already passed the checks. */
3908
3909                 } else if(fsp && (fsp->is_directory || fsp->fh->fd == -1)) {
3910                         /*
3911                          * This is actually a QFILEINFO on a directory
3912                          * handle (returned from an NT SMB). NT5.0 seems
3913                          * to do this call. JRA.
3914                          */
3915
3916                         if (INFO_LEVEL_IS_UNIX(info_level)) {
3917                                 /* Always do lstat for UNIX calls. */
3918                                 if (SMB_VFS_LSTAT(conn,fname,&sbuf)) {
3919                                         DEBUG(3,("call_trans2qfilepathinfo: SMB_VFS_LSTAT of %s failed (%s)\n",fname,strerror(errno)));
3920                                         reply_unixerror(req,ERRDOS,ERRbadpath);
3921                                         return;
3922                                 }
3923                         } else if (SMB_VFS_STAT(conn,fname,&sbuf)) {
3924                                 DEBUG(3,("call_trans2qfilepathinfo: SMB_VFS_STAT of %s failed (%s)\n",fname,strerror(errno)));
3925                                 reply_unixerror(req, ERRDOS, ERRbadpath);
3926                                 return;
3927                         }
3928
3929                         fileid = vfs_file_id_from_sbuf(conn, &sbuf);
3930                         get_file_infos(fileid, &delete_pending, &write_time_ts);
3931                 } else {
3932                         /*
3933                          * Original code - this is an open file.
3934                          */
3935                         if (!check_fsp(conn, req, fsp)) {
3936                                 return;
3937                         }
3938
3939                         if (SMB_VFS_FSTAT(fsp, &sbuf) != 0) {
3940                                 DEBUG(3,("fstat of fnum %d failed (%s)\n", fsp->fnum, strerror(errno)));
3941                                 reply_unixerror(req, ERRDOS, ERRbadfid);
3942                                 return;
3943                         }
3944                         pos = fsp->fh->position_information;
3945                         fileid = vfs_file_id_from_sbuf(conn, &sbuf);
3946                         get_file_infos(fileid, &delete_pending, &write_time_ts);
3947                 }
3948
3949         } else {
3950                 NTSTATUS status = NT_STATUS_OK;
3951
3952                 /* qpathinfo */
3953                 if (total_params < 7) {
3954                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3955                         return;
3956                 }
3957
3958                 info_level = SVAL(params,0);
3959
3960                 DEBUG(3,("call_trans2qfilepathinfo: TRANSACT2_QPATHINFO: level = %d\n", info_level));
3961
3962                 if (INFO_LEVEL_IS_UNIX(info_level) && !lp_unix_extensions()) {
3963                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
3964                         return;
3965                 }
3966
3967                 srvstr_get_path(ctx, params, req->flags2, &fname, &params[6],
3968                                 total_params - 6,
3969                                 STR_TERMINATE, &status);
3970                 if (!NT_STATUS_IS_OK(status)) {
3971                         reply_nterror(req, status);
3972                         return;
3973                 }
3974
3975                 status = resolve_dfspath(ctx,
3976                                         conn,
3977                                         req->flags2 & FLAGS2_DFS_PATHNAMES,
3978                                         fname,
3979                                         &fname);
3980                 if (!NT_STATUS_IS_OK(status)) {
3981                         if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
3982                                 reply_botherror(req,
3983                                                 NT_STATUS_PATH_NOT_COVERED,
3984                                                 ERRSRV, ERRbadpath);
3985                         }
3986                         reply_nterror(req, status);
3987                         return;
3988                 }
3989
3990                 status = unix_convert(ctx, conn, fname, False, &fname, NULL, &sbuf);
3991                 if (!NT_STATUS_IS_OK(status)) {
3992                         reply_nterror(req, status);
3993                         return;
3994                 }
3995                 status = check_name(conn, fname);
3996                 if (!NT_STATUS_IS_OK(status)) {
3997                         DEBUG(3,("call_trans2qfilepathinfo: fileinfo of %s failed (%s)\n",fname,nt_errstr(status)));
3998                         reply_nterror(req, status);
3999                         return;
4000                 }
4001
4002                 if (INFO_LEVEL_IS_UNIX(info_level)) {
4003                         /* Always do lstat for UNIX calls. */
4004                         if (SMB_VFS_LSTAT(conn,fname,&sbuf)) {
4005                                 DEBUG(3,("call_trans2qfilepathinfo: SMB_VFS_LSTAT of %s failed (%s)\n",fname,strerror(errno)));
4006                                 reply_unixerror(req, ERRDOS, ERRbadpath);
4007                                 return;
4008                         }
4009
4010                 } else if (!VALID_STAT(sbuf) && SMB_VFS_STAT(conn,fname,&sbuf) && (info_level != SMB_INFO_IS_NAME_VALID)) {
4011                         ms_dfs_link = check_msdfs_link(conn,fname,&sbuf);
4012
4013                         if (!ms_dfs_link) {
4014                                 DEBUG(3,("call_trans2qfilepathinfo: SMB_VFS_STAT of %s failed (%s)\n",fname,strerror(errno)));
4015                                 reply_unixerror(req, ERRDOS, ERRbadpath);
4016                                 return;
4017                         }
4018                 }
4019
4020                 fileid = vfs_file_id_from_sbuf(conn, &sbuf);
4021                 get_file_infos(fileid, &delete_pending, &write_time_ts);
4022                 if (delete_pending) {
4023                         reply_nterror(req, NT_STATUS_DELETE_PENDING);
4024                         return;
4025                 }
4026         }
4027
4028         if (INFO_LEVEL_IS_UNIX(info_level) && !lp_unix_extensions()) {
4029                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
4030                 return;
4031         }
4032
4033         DEBUG(3,("call_trans2qfilepathinfo %s (fnum = %d) level=%d call=%d total_data=%d\n",
4034                 fname,fsp ? fsp->fnum : -1, info_level,tran_call,total_data));
4035
4036         p = strrchr_m(fname,'/');
4037         if (!p)
4038                 base_name = fname;
4039         else
4040                 base_name = p+1;
4041
4042         if (ms_dfs_link) {
4043                 mode = dos_mode_msdfs(conn,fname,&sbuf);
4044         } else {
4045                 mode = dos_mode(conn,fname,&sbuf);
4046         }
4047         if (!mode)
4048                 mode = FILE_ATTRIBUTE_NORMAL;
4049
4050         nlink = sbuf.st_nlink;
4051
4052         if (nlink && (mode&aDIR)) {
4053                 nlink = 1;
4054         }
4055
4056         if ((nlink > 0) && delete_pending) {
4057                 nlink -= 1;
4058         }
4059
4060         fullpathname = fname;
4061         if (!(mode & aDIR))
4062                 file_size = get_file_size(sbuf);
4063
4064         /* Pull out any data sent here before we realloc. */
4065         switch (info_level) {
4066                 case SMB_INFO_QUERY_EAS_FROM_LIST:
4067                 {
4068                         /* Pull any EA list from the data portion. */
4069                         uint32 ea_size;
4070
4071                         if (total_data < 4) {
4072                                 reply_nterror(
4073                                         req, NT_STATUS_INVALID_PARAMETER);
4074                                 return;
4075                         }
4076                         ea_size = IVAL(pdata,0);
4077
4078                         if (total_data > 0 && ea_size != total_data) {
4079                                 DEBUG(4,("call_trans2qfilepathinfo: Rejecting EA request with incorrect \
4080 total_data=%u (should be %u)\n", (unsigned int)total_data, (unsigned int)IVAL(pdata,0) ));
4081                                 reply_nterror(
4082                                         req, NT_STATUS_INVALID_PARAMETER);
4083                                 return;
4084                         }
4085
4086                         if (!lp_ea_support(SNUM(conn))) {
4087                                 reply_doserror(req, ERRDOS,
4088                                                ERReasnotsupported);
4089                                 return;
4090                         }
4091
4092                         /* Pull out the list of names. */
4093                         ea_list = read_ea_name_list(ctx, pdata + 4, ea_size - 4);
4094                         if (!ea_list) {
4095                                 reply_nterror(
4096                                         req, NT_STATUS_INVALID_PARAMETER);
4097                                 return;
4098                         }
4099                         break;
4100                 }
4101
4102                 case SMB_QUERY_POSIX_LOCK:
4103                 {
4104                         if (fsp == NULL || fsp->fh->fd == -1) {
4105                                 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
4106                                 return;
4107                         }
4108
4109                         if (total_data != POSIX_LOCK_DATA_SIZE) {
4110                                 reply_nterror(
4111                                         req, NT_STATUS_INVALID_PARAMETER);
4112                                 return;
4113                         }
4114
4115                         /* Copy the lock range data. */
4116                         lock_data = (char *)TALLOC_MEMDUP(
4117                                 ctx, pdata, total_data);
4118                         if (!lock_data) {
4119                                 reply_nterror(req, NT_STATUS_NO_MEMORY);
4120                                 return;
4121                         }
4122                 }
4123                 default:
4124                         break;
4125         }
4126
4127         *pparams = (char *)SMB_REALLOC(*pparams,2);
4128         if (*pparams == NULL) {
4129                 reply_nterror(req, NT_STATUS_NO_MEMORY);
4130                 return;
4131         }
4132         params = *pparams;
4133         SSVAL(params,0,0);
4134         data_size = max_data_bytes + DIR_ENTRY_SAFETY_MARGIN;
4135         *ppdata = (char *)SMB_REALLOC(*ppdata, data_size);
4136         if (*ppdata == NULL ) {
4137                 reply_nterror(req, NT_STATUS_NO_MEMORY);
4138                 return;
4139         }
4140         pdata = *ppdata;
4141         dstart = pdata;
4142         dend = dstart + data_size - 1;
4143
4144         create_time_ts = get_create_timespec(&sbuf,lp_fake_dir_create_times(SNUM(conn)));
4145         mtime_ts = get_mtimespec(&sbuf);
4146         atime_ts = get_atimespec(&sbuf);
4147
4148         allocation_size = get_allocation_size(conn,fsp,&sbuf);
4149
4150         if (!fsp) {
4151                 /* Do we have this path open ? */
4152                 files_struct *fsp1;
4153                 fileid = vfs_file_id_from_sbuf(conn, &sbuf);
4154                 fsp1 = file_find_di_first(fileid);
4155                 if (fsp1 && fsp1->initial_allocation_size) {
4156                         allocation_size = get_allocation_size(conn, fsp1, &sbuf);
4157                 }
4158         }
4159
4160         if (!null_timespec(write_time_ts) && !INFO_LEVEL_IS_UNIX(info_level)) {
4161                 mtime_ts = write_time_ts;
4162         }
4163
4164         if (lp_dos_filetime_resolution(SNUM(conn))) {
4165                 dos_filetime_timespec(&create_time_ts);
4166                 dos_filetime_timespec(&mtime_ts);
4167                 dos_filetime_timespec(&atime_ts);
4168         }
4169
4170         create_time = convert_timespec_to_time_t(create_time_ts);
4171         mtime = convert_timespec_to_time_t(mtime_ts);
4172         atime = convert_timespec_to_time_t(atime_ts);
4173
4174         /* NT expects the name to be in an exact form of the *full*
4175            filename. See the trans2 torture test */
4176         if (ISDOT(base_name)) {
4177                 dos_fname = talloc_strdup(ctx, "\\");
4178                 if (!dos_fname) {
4179                         reply_nterror(req, NT_STATUS_NO_MEMORY);
4180                         return;
4181                 }
4182         } else {
4183                 dos_fname = talloc_asprintf(ctx,
4184                                 "\\%s",
4185                                 fname);
4186                 if (!dos_fname) {
4187                         reply_nterror(req, NT_STATUS_NO_MEMORY);
4188                         return;
4189                 }
4190                 string_replace(dos_fname, '/', '\\');
4191         }
4192
4193         switch (info_level) {
4194                 case SMB_INFO_STANDARD:
4195                         DEBUG(10,("call_trans2qfilepathinfo: SMB_INFO_STANDARD\n"));
4196                         data_size = 22;
4197                         srv_put_dos_date2(pdata,l1_fdateCreation,create_time);
4198                         srv_put_dos_date2(pdata,l1_fdateLastAccess,atime);
4199                         srv_put_dos_date2(pdata,l1_fdateLastWrite,mtime); /* write time */
4200                         SIVAL(pdata,l1_cbFile,(uint32)file_size);
4201                         SIVAL(pdata,l1_cbFileAlloc,(uint32)allocation_size);
4202                         SSVAL(pdata,l1_attrFile,mode);
4203                         break;
4204
4205                 case SMB_INFO_QUERY_EA_SIZE:
4206                 {
4207                         unsigned int ea_size = estimate_ea_size(conn, fsp, fname);
4208                         DEBUG(10,("call_trans2qfilepathinfo: SMB_INFO_QUERY_EA_SIZE\n"));
4209                         data_size = 26;
4210                         srv_put_dos_date2(pdata,0,create_time);
4211                         srv_put_dos_date2(pdata,4,atime);
4212                         srv_put_dos_date2(pdata,8,mtime); /* write time */
4213                         SIVAL(pdata,12,(uint32)file_size);
4214                         SIVAL(pdata,16,(uint32)allocation_size);
4215                         SSVAL(pdata,20,mode);
4216                         SIVAL(pdata,22,ea_size);
4217                         break;
4218                 }
4219
4220                 case SMB_INFO_IS_NAME_VALID:
4221                         DEBUG(10,("call_trans2qfilepathinfo: SMB_INFO_IS_NAME_VALID\n"));
4222                         if (tran_call == TRANSACT2_QFILEINFO) {
4223                                 /* os/2 needs this ? really ?*/
4224                                 reply_doserror(req, ERRDOS, ERRbadfunc);
4225                                 return;
4226                         }
4227                         data_size = 0;
4228                         param_size = 0;
4229                         break;
4230
4231                 case SMB_INFO_QUERY_EAS_FROM_LIST:
4232                 {
4233                         size_t total_ea_len = 0;
4234                         struct ea_list *ea_file_list = NULL;
4235
4236                         DEBUG(10,("call_trans2qfilepathinfo: SMB_INFO_QUERY_EAS_FROM_LIST\n"));
4237
4238                         ea_file_list = get_ea_list_from_file(ctx, conn, fsp, fname, &total_ea_len);
4239                         ea_list = ea_list_union(ea_list, ea_file_list, &total_ea_len);
4240
4241                         if (!ea_list || (total_ea_len > data_size)) {
4242                                 data_size = 4;
4243                                 SIVAL(pdata,0,4);   /* EA List Length must be set to 4 if no EA's. */
4244                                 break;
4245                         }
4246
4247                         data_size = fill_ea_buffer(ctx, pdata, data_size, conn, ea_list);
4248                         break;
4249                 }
4250
4251                 case SMB_INFO_QUERY_ALL_EAS:
4252                 {
4253                         /* We have data_size bytes to put EA's into. */
4254                         size_t total_ea_len = 0;
4255
4256                         DEBUG(10,("call_trans2qfilepathinfo: SMB_INFO_QUERY_ALL_EAS\n"));
4257
4258                         ea_list = get_ea_list_from_file(ctx, conn, fsp, fname, &total_ea_len);
4259                         if (!ea_list || (total_ea_len > data_size)) {
4260                                 data_size = 4;
4261                                 SIVAL(pdata,0,4);   /* EA List Length must be set to 4 if no EA's. */
4262                                 break;
4263                         }
4264
4265                         data_size = fill_ea_buffer(ctx, pdata, data_size, conn, ea_list);
4266                         break;
4267                 }
4268
4269                 case SMB_FILE_BASIC_INFORMATION:
4270                 case SMB_QUERY_FILE_BASIC_INFO:
4271
4272                         if (info_level == SMB_QUERY_FILE_BASIC_INFO) {
4273                                 DEBUG(10,("call_trans2qfilepathinfo: SMB_QUERY_FILE_BASIC_INFO\n"));
4274                                 data_size = 36; /* w95 returns 40 bytes not 36 - why ?. */
4275                         } else {
4276                                 DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_BASIC_INFORMATION\n"));
4277                                 data_size = 40;
4278                                 SIVAL(pdata,36,0);
4279                         }
4280                         put_long_date_timespec(pdata,create_time_ts);
4281                         put_long_date_timespec(pdata+8,atime_ts);
4282                         put_long_date_timespec(pdata+16,mtime_ts); /* write time */
4283                         put_long_date_timespec(pdata+24,mtime_ts); /* change time */
4284                         SIVAL(pdata,32,mode);
4285
4286                         DEBUG(5,("SMB_QFBI - "));
4287                         DEBUG(5,("create: %s ", ctime(&create_time)));
4288                         DEBUG(5,("access: %s ", ctime(&atime)));
4289                         DEBUG(5,("write: %s ", ctime(&mtime)));
4290                         DEBUG(5,("change: %s ", ctime(&mtime)));
4291                         DEBUG(5,("mode: %x\n", mode));
4292                         break;
4293
4294                 case SMB_FILE_STANDARD_INFORMATION:
4295                 case SMB_QUERY_FILE_STANDARD_INFO:
4296
4297                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_STANDARD_INFORMATION\n"));
4298                         data_size = 24;
4299                         SOFF_T(pdata,0,allocation_size);
4300                         SOFF_T(pdata,8,file_size);
4301                         SIVAL(pdata,16,nlink);
4302                         SCVAL(pdata,20,delete_pending?1:0);
4303                         SCVAL(pdata,21,(mode&aDIR)?1:0);
4304                         SSVAL(pdata,22,0); /* Padding. */
4305                         break;
4306
4307                 case SMB_FILE_EA_INFORMATION:
4308                 case SMB_QUERY_FILE_EA_INFO:
4309                 {
4310                         unsigned int ea_size = estimate_ea_size(conn, fsp, fname);
4311                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_EA_INFORMATION\n"));
4312                         data_size = 4;
4313                         SIVAL(pdata,0,ea_size);
4314                         break;
4315                 }
4316
4317                 /* Get the 8.3 name - used if NT SMB was negotiated. */
4318                 case SMB_QUERY_FILE_ALT_NAME_INFO:
4319                 case SMB_FILE_ALTERNATE_NAME_INFORMATION:
4320                 {
4321                         char mangled_name[13];
4322                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_ALTERNATE_NAME_INFORMATION\n"));
4323                         if (!name_to_8_3(base_name,mangled_name,
4324                                                 True,conn->params)) {
4325                                 reply_nterror(
4326                                         req,
4327                                         NT_STATUS_NO_MEMORY);
4328                         }
4329                         len = srvstr_push(dstart, req->flags2,
4330                                           pdata+4, mangled_name,
4331                                           PTR_DIFF(dend, pdata+4),
4332                                           STR_UNICODE);
4333                         data_size = 4 + len;
4334                         SIVAL(pdata,0,len);
4335                         break;
4336                 }
4337
4338                 case SMB_QUERY_FILE_NAME_INFO:
4339                         /*
4340                           this must be *exactly* right for ACLs on mapped drives to work
4341                          */
4342                         len = srvstr_push(dstart, req->flags2,
4343                                           pdata+4, dos_fname,
4344                                           PTR_DIFF(dend, pdata+4),
4345                                           STR_UNICODE);
4346                         DEBUG(10,("call_trans2qfilepathinfo: SMB_QUERY_FILE_NAME_INFO\n"));
4347                         data_size = 4 + len;
4348                         SIVAL(pdata,0,len);
4349                         break;
4350
4351                 case SMB_FILE_ALLOCATION_INFORMATION:
4352                 case SMB_QUERY_FILE_ALLOCATION_INFO:
4353                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_ALLOCATION_INFORMATION\n"));
4354                         data_size = 8;
4355                         SOFF_T(pdata,0,allocation_size);
4356                         break;
4357
4358                 case SMB_FILE_END_OF_FILE_INFORMATION:
4359                 case SMB_QUERY_FILE_END_OF_FILEINFO:
4360                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_END_OF_FILE_INFORMATION\n"));
4361                         data_size = 8;
4362                         SOFF_T(pdata,0,file_size);
4363                         break;
4364
4365                 case SMB_QUERY_FILE_ALL_INFO:
4366                 case SMB_FILE_ALL_INFORMATION:
4367                 {
4368                         unsigned int ea_size = estimate_ea_size(conn, fsp, fname);
4369                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_ALL_INFORMATION\n"));
4370                         put_long_date_timespec(pdata,create_time_ts);
4371                         put_long_date_timespec(pdata+8,atime_ts);
4372                         put_long_date_timespec(pdata+16,mtime_ts); /* write time */
4373                         put_long_date_timespec(pdata+24,mtime_ts); /* change time */
4374                         SIVAL(pdata,32,mode);
4375                         SIVAL(pdata,36,0); /* padding. */
4376                         pdata += 40;
4377                         SOFF_T(pdata,0,allocation_size);
4378                         SOFF_T(pdata,8,file_size);
4379                         SIVAL(pdata,16,nlink);
4380                         SCVAL(pdata,20,delete_pending);
4381                         SCVAL(pdata,21,(mode&aDIR)?1:0);
4382                         SSVAL(pdata,22,0);
4383                         pdata += 24;
4384                         SIVAL(pdata,0,ea_size);
4385                         pdata += 4; /* EA info */
4386                         len = srvstr_push(dstart, req->flags2,
4387                                           pdata+4, dos_fname,
4388                                           PTR_DIFF(dend, pdata+4),
4389                                           STR_UNICODE);
4390                         SIVAL(pdata,0,len);
4391                         pdata += 4 + len;
4392                         data_size = PTR_DIFF(pdata,(*ppdata));
4393                         break;
4394                 }
4395                 case SMB_FILE_INTERNAL_INFORMATION:
4396                         /* This should be an index number - looks like
4397                            dev/ino to me :-)
4398
4399                            I think this causes us to fail the IFSKIT
4400                            BasicFileInformationTest. -tpot */
4401
4402                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_INTERNAL_INFORMATION\n"));
4403                         SIVAL(pdata,0,sbuf.st_ino); /* FileIndexLow */
4404                         SIVAL(pdata,4,sbuf.st_dev); /* FileIndexHigh */
4405                         data_size = 8;
4406                         break;
4407
4408                 case SMB_FILE_ACCESS_INFORMATION:
4409                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_ACCESS_INFORMATION\n"));
4410                         if (fsp) {
4411                                 SIVAL(pdata,0,fsp->access_mask);
4412                         } else {
4413                                 /* GENERIC_EXECUTE mapping from Windows */
4414                                 SIVAL(pdata,0,0x12019F);
4415                         }
4416                         data_size = 4;
4417                         break;
4418
4419                 case SMB_FILE_NAME_INFORMATION:
4420                         /* Pathname with leading '\'. */
4421                         {
4422                                 size_t byte_len;
4423                                 byte_len = dos_PutUniCode(pdata+4,dos_fname,(size_t)max_data_bytes,False);
4424                                 DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_NAME_INFORMATION\n"));
4425                                 SIVAL(pdata,0,byte_len);
4426                                 data_size = 4 + byte_len;
4427                                 break;
4428                         }
4429
4430                 case SMB_FILE_DISPOSITION_INFORMATION:
4431                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_DISPOSITION_INFORMATION\n"));
4432                         data_size = 1;
4433                         SCVAL(pdata,0,delete_pending);
4434                         break;
4435
4436                 case SMB_FILE_POSITION_INFORMATION:
4437                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_POSITION_INFORMATION\n"));
4438                         data_size = 8;
4439                         SOFF_T(pdata,0,pos);
4440                         break;
4441
4442                 case SMB_FILE_MODE_INFORMATION:
4443                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_MODE_INFORMATION\n"));
4444                         SIVAL(pdata,0,mode);
4445                         data_size = 4;
4446                         break;
4447
4448                 case SMB_FILE_ALIGNMENT_INFORMATION:
4449                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_ALIGNMENT_INFORMATION\n"));
4450                         SIVAL(pdata,0,0); /* No alignment needed. */
4451                         data_size = 4;
4452                         break;
4453
4454                 /*
4455                  * NT4 server just returns "invalid query" to this - if we try
4456                  * to answer it then NTws gets a BSOD! (tridge).  W2K seems to
4457                  * want this. JRA.
4458                  */
4459                 /* The first statement above is false - verified using Thursby
4460                  * client against NT4 -- gcolley.
4461                  */
4462                 case SMB_QUERY_FILE_STREAM_INFO:
4463                 case SMB_FILE_STREAM_INFORMATION: {
4464                         unsigned int num_streams;
4465                         struct stream_struct *streams;
4466                         NTSTATUS status;
4467
4468                         DEBUG(10,("call_trans2qfilepathinfo: "
4469                                   "SMB_FILE_STREAM_INFORMATION\n"));
4470
4471                         status = SMB_VFS_STREAMINFO(
4472                                 conn, fsp, fname, talloc_tos(),
4473                                 &num_streams, &streams);
4474
4475                         if (!NT_STATUS_IS_OK(status)) {
4476                                 DEBUG(10, ("could not get stream info: %s\n",
4477                                            nt_errstr(status)));
4478                                 reply_nterror(req, status);
4479                                 return;
4480                         }
4481
4482                         status = marshall_stream_info(num_streams, streams,
4483                                                       pdata, max_data_bytes,
4484                                                       &data_size);
4485
4486                         if (!NT_STATUS_IS_OK(status)) {
4487                                 DEBUG(10, ("marshall_stream_info failed: %s\n",
4488                                            nt_errstr(status)));
4489                                 reply_nterror(req, status);
4490                                 return;
4491                         }
4492
4493                         TALLOC_FREE(streams);
4494
4495                         break;
4496                 }
4497                 case SMB_QUERY_COMPRESSION_INFO:
4498                 case SMB_FILE_COMPRESSION_INFORMATION:
4499                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_COMPRESSION_INFORMATION\n"));
4500                         SOFF_T(pdata,0,file_size);
4501                         SIVAL(pdata,8,0); /* ??? */
4502                         SIVAL(pdata,12,0); /* ??? */
4503                         data_size = 16;
4504                         break;
4505
4506                 case SMB_FILE_NETWORK_OPEN_INFORMATION:
4507                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_NETWORK_OPEN_INFORMATION\n"));
4508                         put_long_date_timespec(pdata,create_time_ts);
4509                         put_long_date_timespec(pdata+8,atime_ts);
4510                         put_long_date_timespec(pdata+16,mtime_ts); /* write time */
4511                         put_long_date_timespec(pdata+24,mtime_ts); /* change time */
4512                         SOFF_T(pdata,32,allocation_size);
4513                         SOFF_T(pdata,40,file_size);
4514                         SIVAL(pdata,48,mode);
4515                         SIVAL(pdata,52,0); /* ??? */
4516                         data_size = 56;
4517                         break;
4518
4519                 case SMB_FILE_ATTRIBUTE_TAG_INFORMATION:
4520                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_ATTRIBUTE_TAG_INFORMATION\n"));
4521                         SIVAL(pdata,0,mode);
4522                         SIVAL(pdata,4,0);
4523                         data_size = 8;
4524                         break;
4525
4526                 /*
4527                  * CIFS UNIX Extensions.
4528                  */
4529
4530                 case SMB_QUERY_FILE_UNIX_BASIC:
4531
4532                         pdata = store_file_unix_basic(conn, pdata, fsp, &sbuf);
4533                         data_size = PTR_DIFF(pdata,(*ppdata));
4534
4535                         {
4536                                 int i;
4537                                 DEBUG(4,("call_trans2qfilepathinfo: SMB_QUERY_FILE_UNIX_BASIC "));
4538
4539                                 for (i=0; i<100; i++)
4540                                         DEBUG(4,("%d=%x, ",i, (*ppdata)[i]));
4541                                 DEBUG(4,("\n"));
4542                         }
4543
4544                         break;
4545
4546                 case SMB_QUERY_FILE_UNIX_INFO2:
4547
4548                         pdata = store_file_unix_basic_info2(conn, pdata, fsp, &sbuf);
4549                         data_size = PTR_DIFF(pdata,(*ppdata));
4550
4551                         {
4552                                 int i;
4553                                 DEBUG(4,("call_trans2qfilepathinfo: SMB_QUERY_FILE_UNIX_INFO2 "));
4554
4555                                 for (i=0; i<100; i++)
4556                                         DEBUG(4,("%d=%x, ",i, (*ppdata)[i]));
4557                                 DEBUG(4,("\n"));
4558                         }
4559
4560                         break;
4561
4562                 case SMB_QUERY_FILE_UNIX_LINK:
4563                         {
4564                                 char *buffer = TALLOC_ARRAY(ctx, char, PATH_MAX+1);
4565
4566                                 if (!buffer) {
4567                                         reply_nterror(req, NT_STATUS_NO_MEMORY);
4568                                         return;
4569                                 }
4570
4571                                 DEBUG(10,("call_trans2qfilepathinfo: SMB_QUERY_FILE_UNIX_LINK\n"));
4572 #ifdef S_ISLNK
4573                                 if(!S_ISLNK(sbuf.st_mode)) {
4574                                         reply_unixerror(req, ERRSRV,
4575                                                         ERRbadlink);
4576                                         return;
4577                                 }
4578 #else
4579                                 reply_unixerror(req, ERRDOS, ERRbadlink);
4580                                 return;
4581 #endif
4582                                 len = SMB_VFS_READLINK(conn,fullpathname,
4583                                                 buffer, PATH_MAX);
4584                                 if (len == -1) {
4585                                         reply_unixerror(req, ERRDOS,
4586                                                         ERRnoaccess);
4587                                         return;
4588                                 }
4589                                 buffer[len] = 0;
4590                                 len = srvstr_push(dstart, req->flags2,
4591                                                   pdata, buffer,
4592                                                   PTR_DIFF(dend, pdata),
4593                                                   STR_TERMINATE);
4594                                 pdata += len;
4595                                 data_size = PTR_DIFF(pdata,(*ppdata));
4596
4597                                 break;
4598                         }
4599
4600 #if defined(HAVE_POSIX_ACLS)
4601                 case SMB_QUERY_POSIX_ACL:
4602                         {
4603                                 SMB_ACL_T file_acl = NULL;
4604                                 SMB_ACL_T def_acl = NULL;
4605                                 uint16 num_file_acls = 0;
4606                                 uint16 num_def_acls = 0;
4607
4608                                 if (fsp && !fsp->is_directory && (fsp->fh->fd != -1)) {
4609                                         file_acl = SMB_VFS_SYS_ACL_GET_FD(fsp);
4610                                 } else {
4611                                         file_acl = SMB_VFS_SYS_ACL_GET_FILE(conn, fname, SMB_ACL_TYPE_ACCESS);
4612                                 }
4613
4614                                 if (file_acl == NULL && no_acl_syscall_error(errno)) {
4615                                         DEBUG(5,("call_trans2qfilepathinfo: ACLs not implemented on filesystem containing %s\n",
4616                                                 fname ));
4617                                         reply_nterror(
4618                                                 req,
4619                                                 NT_STATUS_NOT_IMPLEMENTED);
4620                                         return;
4621                                 }
4622
4623                                 if (S_ISDIR(sbuf.st_mode)) {
4624                                         if (fsp && fsp->is_directory) {
4625                                                 def_acl = SMB_VFS_SYS_ACL_GET_FILE(conn, fsp->fsp_name, SMB_ACL_TYPE_DEFAULT);
4626                                         } else {
4627                                                 def_acl = SMB_VFS_SYS_ACL_GET_FILE(conn, fname, SMB_ACL_TYPE_DEFAULT);
4628                                         }
4629                                         def_acl = free_empty_sys_acl(conn, def_acl);
4630                                 }
4631
4632                                 num_file_acls = count_acl_entries(conn, file_acl);
4633                                 num_def_acls = count_acl_entries(conn, def_acl);
4634
4635                                 if ( data_size < (num_file_acls + num_def_acls)*SMB_POSIX_ACL_ENTRY_SIZE + SMB_POSIX_ACL_HEADER_SIZE) {
4636                                         DEBUG(5,("call_trans2qfilepathinfo: data_size too small (%u) need %u\n",
4637                                                 data_size,
4638                                                 (unsigned int)((num_file_acls + num_def_acls)*SMB_POSIX_ACL_ENTRY_SIZE +
4639                                                         SMB_POSIX_ACL_HEADER_SIZE) ));
4640                                         if (file_acl) {
4641                                                 SMB_VFS_SYS_ACL_FREE_ACL(conn, file_acl);
4642                                         }
4643                                         if (def_acl) {
4644                                                 SMB_VFS_SYS_ACL_FREE_ACL(conn, def_acl);
4645                                         }
4646                                         reply_nterror(
4647                                                 req,
4648                                                 NT_STATUS_BUFFER_TOO_SMALL);
4649                                         return;
4650                                 }
4651
4652                                 SSVAL(pdata,0,SMB_POSIX_ACL_VERSION);
4653                                 SSVAL(pdata,2,num_file_acls);
4654                                 SSVAL(pdata,4,num_def_acls);
4655                                 if (!marshall_posix_acl(conn, pdata + SMB_POSIX_ACL_HEADER_SIZE, &sbuf, file_acl)) {
4656                                         if (file_acl) {
4657                                                 SMB_VFS_SYS_ACL_FREE_ACL(conn, file_acl);
4658                                         }
4659                                         if (def_acl) {
4660                                                 SMB_VFS_SYS_ACL_FREE_ACL(conn, def_acl);
4661                                         }
4662                                         reply_nterror(
4663                                                 req, NT_STATUS_INTERNAL_ERROR);
4664                                         return;
4665                                 }
4666                                 if (!marshall_posix_acl(conn, pdata + SMB_POSIX_ACL_HEADER_SIZE + (num_file_acls*SMB_POSIX_ACL_ENTRY_SIZE), &sbuf, def_acl)) {
4667                                         if (file_acl) {
4668                                                 SMB_VFS_SYS_ACL_FREE_ACL(conn, file_acl);
4669                                         }
4670                                         if (def_acl) {
4671                                                 SMB_VFS_SYS_ACL_FREE_ACL(conn, def_acl);
4672                                         }
4673                                         reply_nterror(
4674                                                 req,
4675                                                 NT_STATUS_INTERNAL_ERROR);
4676                                         return;
4677                                 }
4678
4679                                 if (file_acl) {
4680                                         SMB_VFS_SYS_ACL_FREE_ACL(conn, file_acl);
4681                                 }
4682                                 if (def_acl) {
4683                                         SMB_VFS_SYS_ACL_FREE_ACL(conn, def_acl);
4684                                 }
4685                                 data_size = (num_file_acls + num_def_acls)*SMB_POSIX_ACL_ENTRY_SIZE + SMB_POSIX_ACL_HEADER_SIZE;
4686                                 break;
4687                         }
4688 #endif
4689
4690
4691                 case SMB_QUERY_POSIX_LOCK:
4692                 {
4693                         NTSTATUS status = NT_STATUS_INVALID_LEVEL;
4694                         uint64_t count;
4695                         uint64_t offset;
4696                         uint32 lock_pid;
4697                         enum brl_type lock_type;
4698
4699                         if (total_data != POSIX_LOCK_DATA_SIZE) {
4700                                 reply_nterror(
4701                                         req, NT_STATUS_INVALID_PARAMETER);
4702                                 return;
4703                         }
4704
4705                         switch (SVAL(pdata, POSIX_LOCK_TYPE_OFFSET)) {
4706                                 case POSIX_LOCK_TYPE_READ:
4707                                         lock_type = READ_LOCK;
4708                                         break;
4709                                 case POSIX_LOCK_TYPE_WRITE:
4710                                         lock_type = WRITE_LOCK;
4711                                         break;
4712                                 case POSIX_LOCK_TYPE_UNLOCK:
4713                                 default:
4714                                         /* There's no point in asking for an unlock... */
4715                                         reply_nterror(
4716                                                 req,
4717                                                 NT_STATUS_INVALID_PARAMETER);
4718                                         return;
4719                         }
4720
4721                         lock_pid = IVAL(pdata, POSIX_LOCK_PID_OFFSET);
4722 #if defined(HAVE_LONGLONG)
4723                         offset = (((uint64_t) IVAL(pdata,(POSIX_LOCK_START_OFFSET+4))) << 32) |
4724                                         ((uint64_t) IVAL(pdata,POSIX_LOCK_START_OFFSET));
4725                         count = (((uint64_t) IVAL(pdata,(POSIX_LOCK_LEN_OFFSET+4))) << 32) |
4726                                         ((uint64_t) IVAL(pdata,POSIX_LOCK_LEN_OFFSET));
4727 #else /* HAVE_LONGLONG */
4728                         offset = (uint64_t)IVAL(pdata,POSIX_LOCK_START_OFFSET);
4729                         count = (uint64_t)IVAL(pdata,POSIX_LOCK_LEN_OFFSET);
4730 #endif /* HAVE_LONGLONG */
4731
4732                         status = query_lock(fsp,
4733                                         &lock_pid,
4734                                         &count,
4735                                         &offset,
4736                                         &lock_type,
4737                                         POSIX_LOCK);
4738
4739                         if (ERROR_WAS_LOCK_DENIED(status)) {
4740                                 /* Here we need to report who has it locked... */
4741                                 data_size = POSIX_LOCK_DATA_SIZE;
4742
4743                                 SSVAL(pdata, POSIX_LOCK_TYPE_OFFSET, lock_type);
4744                                 SSVAL(pdata, POSIX_LOCK_FLAGS_OFFSET, 0);
4745                                 SIVAL(pdata, POSIX_LOCK_PID_OFFSET, lock_pid);
4746 #if defined(HAVE_LONGLONG)
4747                                 SIVAL(pdata, POSIX_LOCK_START_OFFSET, (uint32)(offset & 0xFFFFFFFF));
4748                                 SIVAL(pdata, POSIX_LOCK_START_OFFSET + 4, (uint32)((offset >> 32) & 0xFFFFFFFF));
4749                                 SIVAL(pdata, POSIX_LOCK_LEN_OFFSET, (uint32)(count & 0xFFFFFFFF));
4750                                 SIVAL(pdata, POSIX_LOCK_LEN_OFFSET + 4, (uint32)((count >> 32) & 0xFFFFFFFF));
4751 #else /* HAVE_LONGLONG */
4752                                 SIVAL(pdata, POSIX_LOCK_START_OFFSET, offset);
4753                                 SIVAL(pdata, POSIX_LOCK_LEN_OFFSET, count);
4754 #endif /* HAVE_LONGLONG */
4755
4756                         } else if (NT_STATUS_IS_OK(status)) {
4757                                 /* For success we just return a copy of what we sent
4758                                    with the lock type set to POSIX_LOCK_TYPE_UNLOCK. */
4759                                 data_size = POSIX_LOCK_DATA_SIZE;
4760                                 memcpy(pdata, lock_data, POSIX_LOCK_DATA_SIZE);
4761                                 SSVAL(pdata, POSIX_LOCK_TYPE_OFFSET, POSIX_LOCK_TYPE_UNLOCK);
4762                         } else {
4763                                 reply_nterror(req, status);
4764                                 return;
4765                         }
4766                         break;
4767                 }
4768
4769                 default:
4770                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
4771                         return;
4772         }
4773
4774         send_trans2_replies(conn, req, params, param_size, *ppdata, data_size,
4775                             max_data_bytes);
4776
4777         return;
4778 }
4779
4780 /****************************************************************************
4781  Set a hard link (called by UNIX extensions and by NT rename with HARD link
4782  code.
4783 ****************************************************************************/
4784
4785 NTSTATUS hardlink_internals(TALLOC_CTX *ctx,
4786                 connection_struct *conn,
4787                 const char *oldname_in,
4788                 const char *newname_in)
4789 {
4790         SMB_STRUCT_STAT sbuf1, sbuf2;
4791         char *last_component_oldname = NULL;
4792         char *last_component_newname = NULL;
4793         char *oldname = NULL;
4794         char *newname = NULL;
4795         NTSTATUS status = NT_STATUS_OK;
4796
4797         ZERO_STRUCT(sbuf1);
4798         ZERO_STRUCT(sbuf2);
4799
4800         status = unix_convert(ctx, conn, oldname_in, False, &oldname,
4801                         &last_component_oldname, &sbuf1);
4802         if (!NT_STATUS_IS_OK(status)) {
4803                 return status;
4804         }
4805
4806         status = check_name(conn, oldname);
4807         if (!NT_STATUS_IS_OK(status)) {
4808                 return status;
4809         }
4810
4811         /* source must already exist. */
4812         if (!VALID_STAT(sbuf1)) {
4813                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
4814         }
4815
4816         status = unix_convert(ctx, conn, newname_in, False, &newname,
4817                         &last_component_newname, &sbuf2);
4818         if (!NT_STATUS_IS_OK(status)) {
4819                 return status;
4820         }
4821
4822         status = check_name(conn, newname);
4823         if (!NT_STATUS_IS_OK(status)) {
4824                 return status;
4825         }
4826
4827         /* Disallow if newname already exists. */
4828         if (VALID_STAT(sbuf2)) {
4829                 return NT_STATUS_OBJECT_NAME_COLLISION;
4830         }
4831
4832         /* No links from a directory. */
4833         if (S_ISDIR(sbuf1.st_mode)) {
4834                 return NT_STATUS_FILE_IS_A_DIRECTORY;
4835         }
4836
4837         /* Ensure this is within the share. */
4838         status = check_reduced_name(conn, oldname);
4839         if (!NT_STATUS_IS_OK(status)) {
4840                 return status;
4841         }
4842
4843         DEBUG(10,("hardlink_internals: doing hard link %s -> %s\n", newname, oldname ));
4844
4845         if (SMB_VFS_LINK(conn,oldname,newname) != 0) {
4846                 status = map_nt_error_from_unix(errno);
4847                 DEBUG(3,("hardlink_internals: Error %s hard link %s -> %s\n",
4848                                 nt_errstr(status), newname, oldname));
4849         }
4850
4851         return status;
4852 }
4853
4854 /****************************************************************************
4855  Deal with setting the time from any of the setfilepathinfo functions.
4856 ****************************************************************************/
4857
4858 NTSTATUS smb_set_file_time(connection_struct *conn,
4859                            files_struct *fsp,
4860                            const char *fname,
4861                            const SMB_STRUCT_STAT *psbuf,
4862                            struct timespec ts[2],
4863                            bool setting_write_time)
4864 {
4865         uint32 action =
4866                 FILE_NOTIFY_CHANGE_LAST_ACCESS
4867                 |FILE_NOTIFY_CHANGE_LAST_WRITE;
4868
4869         if (!VALID_STAT(*psbuf)) {
4870                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
4871         }
4872
4873         /* get some defaults (no modifications) if any info is zero or -1. */
4874         if (null_timespec(ts[0])) {
4875                 ts[0] = get_atimespec(psbuf);
4876                 action &= ~FILE_NOTIFY_CHANGE_LAST_ACCESS;
4877         }
4878
4879         if (null_timespec(ts[1])) {
4880                 ts[1] = get_mtimespec(psbuf);
4881                 action &= ~FILE_NOTIFY_CHANGE_LAST_WRITE;
4882         }
4883
4884         if (!setting_write_time) {
4885                 /* ts[1] comes from change time, not write time. */
4886                 action &= ~FILE_NOTIFY_CHANGE_LAST_WRITE;
4887         }
4888
4889         DEBUG(6,("smb_set_file_time: actime: %s " , time_to_asc(convert_timespec_to_time_t(ts[0])) ));
4890         DEBUG(6,("smb_set_file_time: modtime: %s ", time_to_asc(convert_timespec_to_time_t(ts[1])) ));
4891
4892         /*
4893          * Try and set the times of this file if
4894          * they are different from the current values.
4895          */
4896
4897         {
4898                 struct timespec mts = get_mtimespec(psbuf);
4899                 struct timespec ats = get_atimespec(psbuf);
4900                 if ((timespec_compare(&ts[0], &ats) == 0) && (timespec_compare(&ts[1], &mts) == 0)) {
4901                         return NT_STATUS_OK;
4902                 }
4903         }
4904
4905         if (setting_write_time) {
4906                 /*
4907                  * This was a setfileinfo on an open file.
4908                  * NT does this a lot. We also need to
4909                  * set the time here, as it can be read by
4910                  * FindFirst/FindNext and with the patch for bug #2045
4911                  * in smbd/fileio.c it ensures that this timestamp is
4912                  * kept sticky even after a write. We save the request
4913                  * away and will set it on file close and after a write. JRA.
4914                  */
4915
4916                 DEBUG(10,("smb_set_file_time: setting pending modtime to %s\n",
4917                           time_to_asc(convert_timespec_to_time_t(ts[1])) ));
4918
4919                 if (fsp != NULL) {
4920                         set_sticky_write_time_fsp(fsp, ts[1]);
4921                 } else {
4922                         set_sticky_write_time_path(conn, fname,
4923                                             vfs_file_id_from_sbuf(conn, psbuf),
4924                                             ts[1]);
4925                 }
4926         }
4927
4928         DEBUG(10,("smb_set_file_time: setting utimes to modified values.\n"));
4929
4930         if(file_ntimes(conn, fname, ts)!=0) {
4931                 return map_nt_error_from_unix(errno);
4932         }
4933         notify_fname(conn, NOTIFY_ACTION_MODIFIED, action, fname);
4934
4935         return NT_STATUS_OK;
4936 }
4937
4938 /****************************************************************************
4939  Deal with setting the dosmode from any of the setfilepathinfo functions.
4940 ****************************************************************************/
4941
4942 static NTSTATUS smb_set_file_dosmode(connection_struct *conn,
4943                                 const char *fname,
4944                                 SMB_STRUCT_STAT *psbuf,
4945                                 uint32 dosmode)
4946 {
4947         if (!VALID_STAT(*psbuf)) {
4948                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
4949         }
4950
4951         if (dosmode) {
4952                 if (S_ISDIR(psbuf->st_mode)) {
4953                         dosmode |= aDIR;
4954                 } else {
4955                         dosmode &= ~aDIR;
4956                 }
4957         }
4958
4959         DEBUG(6,("smb_set_file_dosmode: dosmode: 0x%x\n", (unsigned int)dosmode));
4960
4961         /* check the mode isn't different, before changing it */
4962         if ((dosmode != 0) && (dosmode != dos_mode(conn, fname, psbuf))) {
4963
4964                 DEBUG(10,("smb_set_file_dosmode: file %s : setting dos mode 0x%x\n",
4965                                         fname, (unsigned int)dosmode ));
4966
4967                 if(file_set_dosmode(conn, fname, dosmode, psbuf, NULL, false)) {
4968                         DEBUG(2,("smb_set_file_dosmode: file_set_dosmode of %s failed (%s)\n",
4969                                                 fname, strerror(errno)));
4970                         return map_nt_error_from_unix(errno);
4971                 }
4972         }
4973         return NT_STATUS_OK;
4974 }
4975
4976 /****************************************************************************
4977  Deal with setting the size from any of the setfilepathinfo functions.
4978 ****************************************************************************/
4979
4980 static NTSTATUS smb_set_file_size(connection_struct *conn,
4981                                   struct smb_request *req,
4982                                 files_struct *fsp,
4983                                 const char *fname,
4984                                 SMB_STRUCT_STAT *psbuf,
4985                                 SMB_OFF_T size)
4986 {
4987         NTSTATUS status = NT_STATUS_OK;
4988         files_struct *new_fsp = NULL;
4989
4990         if (!VALID_STAT(*psbuf)) {
4991                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
4992         }
4993
4994         DEBUG(6,("smb_set_file_size: size: %.0f ", (double)size));
4995
4996         if (size == get_file_size(*psbuf)) {
4997                 return NT_STATUS_OK;
4998         }
4999
5000         DEBUG(10,("smb_set_file_size: file %s : setting new size to %.0f\n",
5001                 fname, (double)size ));
5002
5003         if (fsp && fsp->fh->fd != -1) {
5004                 /* Handle based call. */
5005                 if (vfs_set_filelen(fsp, size) == -1) {
5006                         return map_nt_error_from_unix(errno);
5007                 }
5008                 trigger_write_time_update_immediate(fsp);
5009                 return NT_STATUS_OK;
5010         }
5011
5012         status = open_file_ntcreate(conn, req, fname, psbuf,
5013                                 FILE_WRITE_ATTRIBUTES,
5014                                 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
5015                                 FILE_OPEN,
5016                                 0,
5017                                 FILE_ATTRIBUTE_NORMAL,
5018                                 FORCE_OPLOCK_BREAK_TO_NONE,
5019                                 NULL, &new_fsp);
5020
5021         if (!NT_STATUS_IS_OK(status)) {
5022                 /* NB. We check for open_was_deferred in the caller. */
5023                 return status;
5024         }
5025
5026         if (vfs_set_filelen(new_fsp, size) == -1) {
5027                 status = map_nt_error_from_unix(errno);
5028                 close_file(req, new_fsp,NORMAL_CLOSE);
5029                 return status;
5030         }
5031
5032         trigger_write_time_update_immediate(new_fsp);
5033         close_file(req, new_fsp,NORMAL_CLOSE);
5034         return NT_STATUS_OK;
5035 }
5036
5037 /****************************************************************************
5038  Deal with SMB_INFO_SET_EA.
5039 ****************************************************************************/
5040
5041 static NTSTATUS smb_info_set_ea(connection_struct *conn,
5042                                 const char *pdata,
5043                                 int total_data,
5044                                 files_struct *fsp,
5045                                 const char *fname)
5046 {
5047         struct ea_list *ea_list = NULL;
5048         TALLOC_CTX *ctx = NULL;
5049         NTSTATUS status = NT_STATUS_OK;
5050
5051         if (total_data < 10) {
5052
5053                 /* OS/2 workplace shell seems to send SET_EA requests of "null"
5054                    length. They seem to have no effect. Bug #3212. JRA */
5055
5056                 if ((total_data == 4) && (IVAL(pdata,0) == 4)) {
5057                         /* We're done. We only get EA info in this call. */
5058                         return NT_STATUS_OK;
5059                 }
5060
5061                 return NT_STATUS_INVALID_PARAMETER;
5062         }
5063
5064         if (IVAL(pdata,0) > total_data) {
5065                 DEBUG(10,("smb_info_set_ea: bad total data size (%u) > %u\n",
5066                         IVAL(pdata,0), (unsigned int)total_data));
5067                 return NT_STATUS_INVALID_PARAMETER;
5068         }
5069
5070         ctx = talloc_tos();
5071         ea_list = read_ea_list(ctx, pdata + 4, total_data - 4);
5072         if (!ea_list) {
5073                 return NT_STATUS_INVALID_PARAMETER;
5074         }
5075         status = set_ea(conn, fsp, fname, ea_list);
5076
5077         return status;
5078 }
5079
5080 /****************************************************************************
5081  Deal with SMB_SET_FILE_DISPOSITION_INFO.
5082 ****************************************************************************/
5083
5084 static NTSTATUS smb_set_file_disposition_info(connection_struct *conn,
5085                                 const char *pdata,
5086                                 int total_data,
5087                                 files_struct *fsp,
5088                                 const char *fname,
5089                                 SMB_STRUCT_STAT *psbuf)
5090 {
5091         NTSTATUS status = NT_STATUS_OK;
5092         bool delete_on_close;
5093         uint32 dosmode = 0;
5094
5095         if (total_data < 1) {
5096                 return NT_STATUS_INVALID_PARAMETER;
5097         }
5098
5099         if (fsp == NULL) {
5100                 return NT_STATUS_INVALID_HANDLE;
5101         }
5102
5103         delete_on_close = (CVAL(pdata,0) ? True : False);
5104         dosmode = dos_mode(conn, fname, psbuf);
5105
5106         DEBUG(10,("smb_set_file_disposition_info: file %s, dosmode = %u, "
5107                 "delete_on_close = %u\n",
5108                 fsp->fsp_name,
5109                 (unsigned int)dosmode,
5110                 (unsigned int)delete_on_close ));
5111
5112         status = can_set_delete_on_close(fsp, delete_on_close, dosmode);
5113
5114         if (!NT_STATUS_IS_OK(status)) {
5115                 return status;
5116         }
5117
5118         /* The set is across all open files on this dev/inode pair. */
5119         if (!set_delete_on_close(fsp, delete_on_close,
5120                                  &conn->server_info->utok)) {
5121                 return NT_STATUS_ACCESS_DENIED;
5122         }
5123         return NT_STATUS_OK;
5124 }
5125
5126 /****************************************************************************
5127  Deal with SMB_FILE_POSITION_INFORMATION.
5128 ****************************************************************************/
5129
5130 static NTSTATUS smb_file_position_information(connection_struct *conn,
5131                                 const char *pdata,
5132                                 int total_data,
5133                                 files_struct *fsp)
5134 {
5135         uint64_t position_information;
5136
5137         if (total_data < 8) {
5138                 return NT_STATUS_INVALID_PARAMETER;
5139         }
5140
5141         if (fsp == NULL) {
5142                 /* Ignore on pathname based set. */
5143                 return NT_STATUS_OK;
5144         }
5145
5146         position_information = (uint64_t)IVAL(pdata,0);
5147 #ifdef LARGE_SMB_OFF_T
5148         position_information |= (((uint64_t)IVAL(pdata,4)) << 32);
5149 #else /* LARGE_SMB_OFF_T */
5150         if (IVAL(pdata,4) != 0) {
5151                 /* more than 32 bits? */
5152                 return NT_STATUS_INVALID_PARAMETER;
5153         }
5154 #endif /* LARGE_SMB_OFF_T */
5155
5156         DEBUG(10,("smb_file_position_information: Set file position information for file %s to %.0f\n",
5157                 fsp->fsp_name, (double)position_information ));
5158         fsp->fh->position_information = position_information;
5159         return NT_STATUS_OK;
5160 }
5161
5162 /****************************************************************************
5163  Deal with SMB_FILE_MODE_INFORMATION.
5164 ****************************************************************************/
5165
5166 static NTSTATUS smb_file_mode_information(connection_struct *conn,
5167                                 const char *pdata,
5168                                 int total_data)
5169 {
5170         uint32 mode;
5171
5172         if (total_data < 4) {
5173                 return NT_STATUS_INVALID_PARAMETER;
5174         }
5175         mode = IVAL(pdata,0);
5176         if (mode != 0 && mode != 2 && mode != 4 && mode != 6) {
5177                 return NT_STATUS_INVALID_PARAMETER;
5178         }
5179         return NT_STATUS_OK;
5180 }
5181
5182 /****************************************************************************
5183  Deal with SMB_SET_FILE_UNIX_LINK (create a UNIX symlink).
5184 ****************************************************************************/
5185
5186 static NTSTATUS smb_set_file_unix_link(connection_struct *conn,
5187                                        struct smb_request *req,
5188                                        const char *pdata,
5189                                        int total_data,
5190                                        const char *fname)
5191 {
5192         char *link_target = NULL;
5193         const char *newname = fname;
5194         NTSTATUS status = NT_STATUS_OK;
5195         TALLOC_CTX *ctx = talloc_tos();
5196
5197         /* Set a symbolic link. */
5198         /* Don't allow this if follow links is false. */
5199
5200         if (total_data == 0) {
5201                 return NT_STATUS_INVALID_PARAMETER;
5202         }
5203
5204         if (!lp_symlinks(SNUM(conn))) {
5205                 return NT_STATUS_ACCESS_DENIED;
5206         }
5207
5208         srvstr_pull_talloc(ctx, pdata, req->flags2, &link_target, pdata,
5209                     total_data, STR_TERMINATE);
5210
5211         if (!link_target) {
5212                 return NT_STATUS_INVALID_PARAMETER;
5213         }
5214
5215         /* !widelinks forces the target path to be within the share. */
5216         /* This means we can interpret the target as a pathname. */
5217         if (!lp_widelinks(SNUM(conn))) {
5218                 char *rel_name = NULL;
5219                 char *last_dirp = NULL;
5220
5221                 if (*link_target == '/') {
5222                         /* No absolute paths allowed. */
5223                         return NT_STATUS_ACCESS_DENIED;
5224                 }
5225                 rel_name = talloc_strdup(ctx,newname);
5226                 if (!rel_name) {
5227                         return NT_STATUS_NO_MEMORY;
5228                 }
5229                 last_dirp = strrchr_m(rel_name, '/');
5230                 if (last_dirp) {
5231                         last_dirp[1] = '\0';
5232                 } else {
5233                         rel_name = talloc_strdup(ctx,"./");
5234                         if (!rel_name) {
5235                                 return NT_STATUS_NO_MEMORY;
5236                         }
5237                 }
5238                 rel_name = talloc_asprintf_append(rel_name,
5239                                 "%s",
5240                                 link_target);
5241                 if (!rel_name) {
5242                         return NT_STATUS_NO_MEMORY;
5243                 }
5244
5245                 status = check_name(conn, rel_name);
5246                 if (!NT_STATUS_IS_OK(status)) {
5247                         return status;
5248                 }
5249         }
5250
5251         DEBUG(10,("smb_set_file_unix_link: SMB_SET_FILE_UNIX_LINK doing symlink %s -> %s\n",
5252                         newname, link_target ));
5253
5254         if (SMB_VFS_SYMLINK(conn,link_target,newname) != 0) {
5255                 return map_nt_error_from_unix(errno);
5256         }
5257
5258         return NT_STATUS_OK;
5259 }
5260
5261 /****************************************************************************
5262  Deal with SMB_SET_FILE_UNIX_HLINK (create a UNIX hard link).
5263 ****************************************************************************/
5264
5265 static NTSTATUS smb_set_file_unix_hlink(connection_struct *conn,
5266                                         struct smb_request *req,
5267                                         const char *pdata, int total_data,
5268                                         const char *fname)
5269 {
5270         char *oldname = NULL;
5271         TALLOC_CTX *ctx = talloc_tos();
5272         NTSTATUS status = NT_STATUS_OK;
5273
5274         /* Set a hard link. */
5275         if (total_data == 0) {
5276                 return NT_STATUS_INVALID_PARAMETER;
5277         }
5278
5279         srvstr_get_path(ctx, pdata, req->flags2, &oldname, pdata,
5280                         total_data, STR_TERMINATE, &status);
5281         if (!NT_STATUS_IS_OK(status)) {
5282                 return status;
5283         }
5284
5285         status = resolve_dfspath(ctx, conn,
5286                                 req->flags2 & FLAGS2_DFS_PATHNAMES,
5287                                 oldname,
5288                                 &oldname);
5289         if (!NT_STATUS_IS_OK(status)) {
5290                 return status;
5291         }
5292
5293         DEBUG(10,("smb_set_file_unix_hlink: SMB_SET_FILE_UNIX_LINK doing hard link %s -> %s\n",
5294                 fname, oldname));
5295
5296         return hardlink_internals(ctx, conn, oldname, fname);
5297 }
5298
5299 /****************************************************************************
5300  Deal with SMB_FILE_RENAME_INFORMATION.
5301 ****************************************************************************/
5302
5303 static NTSTATUS smb_file_rename_information(connection_struct *conn,
5304                                             struct smb_request *req,
5305                                             const char *pdata,
5306                                             int total_data,
5307                                             files_struct *fsp,
5308                                             const char *fname)
5309 {
5310         bool overwrite;
5311         uint32 root_fid;
5312         uint32 len;
5313         char *newname = NULL;
5314         char *base_name = NULL;
5315         bool dest_has_wcard = False;
5316         NTSTATUS status = NT_STATUS_OK;
5317         char *p;
5318         TALLOC_CTX *ctx = talloc_tos();
5319
5320         if (total_data < 13) {
5321                 return NT_STATUS_INVALID_PARAMETER;
5322         }
5323
5324         overwrite = (CVAL(pdata,0) ? True : False);
5325         root_fid = IVAL(pdata,4);
5326         len = IVAL(pdata,8);
5327
5328         if (len > (total_data - 12) || (len == 0) || (root_fid != 0)) {
5329                 return NT_STATUS_INVALID_PARAMETER;
5330         }
5331
5332         srvstr_get_path_wcard(ctx, pdata, req->flags2, &newname, &pdata[12],
5333                               len, 0, &status,
5334                               &dest_has_wcard);
5335         if (!NT_STATUS_IS_OK(status)) {
5336                 return status;
5337         }
5338
5339         DEBUG(10,("smb_file_rename_information: got name |%s|\n",
5340                                 newname));
5341
5342         status = resolve_dfspath_wcard(ctx, conn,
5343                                        req->flags2 & FLAGS2_DFS_PATHNAMES,
5344                                        newname,
5345                                        &newname,
5346                                        &dest_has_wcard);
5347         if (!NT_STATUS_IS_OK(status)) {
5348                 return status;
5349         }
5350
5351         /* Check the new name has no '/' characters. */
5352         if (strchr_m(newname, '/')) {
5353                 return NT_STATUS_NOT_SUPPORTED;
5354         }
5355
5356         if (fsp && fsp->base_fsp) {
5357                 if (newname[0] != ':') {
5358                         return NT_STATUS_NOT_SUPPORTED;
5359                 }
5360                 base_name = talloc_asprintf(ctx, "%s%s",
5361                                            fsp->base_fsp->fsp_name,
5362                                            newname);
5363                 if (!base_name) {
5364                         return NT_STATUS_NO_MEMORY;
5365                 }
5366         } else {
5367                 if (is_ntfs_stream_name(newname)) {
5368                         return NT_STATUS_NOT_SUPPORTED;
5369                 }
5370
5371                 /* Create the base directory. */
5372                 base_name = talloc_strdup(ctx, fname);
5373                 if (!base_name) {
5374                         return NT_STATUS_NO_MEMORY;
5375                 }
5376                 p = strrchr_m(base_name, '/');
5377                 if (p) {
5378                         p[1] = '\0';
5379                 } else {
5380                         base_name = talloc_strdup(ctx, "./");
5381                         if (!base_name) {
5382                                 return NT_STATUS_NO_MEMORY;
5383                         }
5384                 }
5385                 /* Append the new name. */
5386                 base_name = talloc_asprintf_append(base_name,
5387                                 "%s",
5388                                 newname);
5389                 if (!base_name) {
5390                         return NT_STATUS_NO_MEMORY;
5391                 }
5392         }
5393
5394         if (fsp) {
5395                 SMB_STRUCT_STAT sbuf;
5396                 char *newname_last_component = NULL;
5397
5398                 ZERO_STRUCT(sbuf);
5399
5400                 status = unix_convert(ctx, conn, newname, False,
5401                                         &newname,
5402                                         &newname_last_component,
5403                                         &sbuf);
5404
5405                 /* If an error we expect this to be
5406                  * NT_STATUS_OBJECT_PATH_NOT_FOUND */
5407
5408                 if (!NT_STATUS_IS_OK(status)
5409                     && !NT_STATUS_EQUAL(NT_STATUS_OBJECT_PATH_NOT_FOUND,
5410                                         status)) {
5411                         return status;
5412                 }
5413
5414                 DEBUG(10,("smb_file_rename_information: SMB_FILE_RENAME_INFORMATION (fnum %d) %s -> %s\n",
5415                         fsp->fnum, fsp->fsp_name, base_name ));
5416                 status = rename_internals_fsp(conn, fsp, base_name,
5417                                               newname_last_component, 0,
5418                                               overwrite);
5419         } else {
5420                 DEBUG(10,("smb_file_rename_information: SMB_FILE_RENAME_INFORMATION %s -> %s\n",
5421                         fname, base_name ));
5422                 status = rename_internals(ctx, conn, req, fname, base_name, 0,
5423                                         overwrite, False, dest_has_wcard,
5424                                         FILE_WRITE_ATTRIBUTES);
5425         }
5426
5427         return status;
5428 }
5429
5430 /****************************************************************************
5431  Deal with SMB_SET_POSIX_ACL.
5432 ****************************************************************************/
5433
5434 #if defined(HAVE_POSIX_ACLS)
5435 static NTSTATUS smb_set_posix_acl(connection_struct *conn,
5436                                 const char *pdata,
5437                                 int total_data,
5438                                 files_struct *fsp,
5439                                 const char *fname,
5440                                 SMB_STRUCT_STAT *psbuf)
5441 {
5442         uint16 posix_acl_version;
5443         uint16 num_file_acls;
5444         uint16 num_def_acls;
5445         bool valid_file_acls = True;
5446         bool valid_def_acls = True;
5447
5448         if (total_data < SMB_POSIX_ACL_HEADER_SIZE) {
5449                 return NT_STATUS_INVALID_PARAMETER;
5450         }
5451         posix_acl_version = SVAL(pdata,0);
5452         num_file_acls = SVAL(pdata,2);
5453         num_def_acls = SVAL(pdata,4);
5454
5455         if (num_file_acls == SMB_POSIX_IGNORE_ACE_ENTRIES) {
5456                 valid_file_acls = False;
5457                 num_file_acls = 0;
5458         }
5459
5460         if (num_def_acls == SMB_POSIX_IGNORE_ACE_ENTRIES) {
5461                 valid_def_acls = False;
5462                 num_def_acls = 0;
5463         }
5464
5465         if (posix_acl_version != SMB_POSIX_ACL_VERSION) {
5466                 return NT_STATUS_INVALID_PARAMETER;
5467         }
5468
5469         if (total_data < SMB_POSIX_ACL_HEADER_SIZE +
5470                         (num_file_acls+num_def_acls)*SMB_POSIX_ACL_ENTRY_SIZE) {
5471                 return NT_STATUS_INVALID_PARAMETER;
5472         }
5473
5474         DEBUG(10,("smb_set_posix_acl: file %s num_file_acls = %u, num_def_acls = %u\n",
5475                 fname ? fname : fsp->fsp_name,
5476                 (unsigned int)num_file_acls,
5477                 (unsigned int)num_def_acls));
5478
5479         if (valid_file_acls && !set_unix_posix_acl(conn, fsp, fname, num_file_acls,
5480                         pdata + SMB_POSIX_ACL_HEADER_SIZE)) {
5481                 return map_nt_error_from_unix(errno);
5482         }
5483
5484         if (valid_def_acls && !set_unix_posix_default_acl(conn, fname, psbuf, num_def_acls,
5485                         pdata + SMB_POSIX_ACL_HEADER_SIZE +
5486                         (num_file_acls*SMB_POSIX_ACL_ENTRY_SIZE))) {
5487                 return map_nt_error_from_unix(errno);
5488         }
5489         return NT_STATUS_OK;
5490 }
5491 #endif
5492
5493 /****************************************************************************
5494  Deal with SMB_SET_POSIX_LOCK.
5495 ****************************************************************************/
5496
5497 static NTSTATUS smb_set_posix_lock(connection_struct *conn,
5498                                 struct smb_request *req,
5499                                 const char *pdata,
5500                                 int total_data,
5501                                 files_struct *fsp)
5502 {
5503         uint64_t count;
5504         uint64_t offset;
5505         uint32 lock_pid;
5506         bool blocking_lock = False;
5507         enum brl_type lock_type;
5508
5509         NTSTATUS status = NT_STATUS_OK;
5510
5511         if (fsp == NULL || fsp->fh->fd == -1) {
5512                 return NT_STATUS_INVALID_HANDLE;
5513         }
5514
5515         if (total_data != POSIX_LOCK_DATA_SIZE) {
5516                 return NT_STATUS_INVALID_PARAMETER;
5517         }
5518
5519         switch (SVAL(pdata, POSIX_LOCK_TYPE_OFFSET)) {
5520                 case POSIX_LOCK_TYPE_READ:
5521                         lock_type = READ_LOCK;
5522                         break;
5523                 case POSIX_LOCK_TYPE_WRITE:
5524                         /* Return the right POSIX-mappable error code for files opened read-only. */
5525                         if (!fsp->can_write) {
5526                                 return NT_STATUS_INVALID_HANDLE;
5527                         }
5528                         lock_type = WRITE_LOCK;
5529                         break;
5530                 case POSIX_LOCK_TYPE_UNLOCK:
5531                         lock_type = UNLOCK_LOCK;
5532                         break;
5533                 default:
5534                         return NT_STATUS_INVALID_PARAMETER;
5535         }
5536
5537         if (SVAL(pdata,POSIX_LOCK_FLAGS_OFFSET) == POSIX_LOCK_FLAG_NOWAIT) {
5538                 blocking_lock = False;
5539         } else if (SVAL(pdata,POSIX_LOCK_FLAGS_OFFSET) == POSIX_LOCK_FLAG_WAIT) {
5540                 blocking_lock = True;
5541         } else {
5542                 return NT_STATUS_INVALID_PARAMETER;
5543         }
5544
5545         if (!lp_blocking_locks(SNUM(conn))) {
5546                 blocking_lock = False;
5547         }
5548
5549         lock_pid = IVAL(pdata, POSIX_LOCK_PID_OFFSET);
5550 #if defined(HAVE_LONGLONG)
5551         offset = (((uint64_t) IVAL(pdata,(POSIX_LOCK_START_OFFSET+4))) << 32) |
5552                         ((uint64_t) IVAL(pdata,POSIX_LOCK_START_OFFSET));
5553         count = (((uint64_t) IVAL(pdata,(POSIX_LOCK_LEN_OFFSET+4))) << 32) |
5554                         ((uint64_t) IVAL(pdata,POSIX_LOCK_LEN_OFFSET));
5555 #else /* HAVE_LONGLONG */
5556         offset = (uint64_t)IVAL(pdata,POSIX_LOCK_START_OFFSET);
5557         count = (uint64_t)IVAL(pdata,POSIX_LOCK_LEN_OFFSET);
5558 #endif /* HAVE_LONGLONG */
5559
5560         DEBUG(10,("smb_set_posix_lock: file %s, lock_type = %u,"
5561                         "lock_pid = %u, count = %.0f, offset = %.0f\n",
5562                 fsp->fsp_name,
5563                 (unsigned int)lock_type,
5564                 (unsigned int)lock_pid,
5565                 (double)count,
5566                 (double)offset ));
5567
5568         if (lock_type == UNLOCK_LOCK) {
5569                 status = do_unlock(smbd_messaging_context(),
5570                                 fsp,
5571                                 lock_pid,
5572                                 count,
5573                                 offset,
5574                                 POSIX_LOCK);
5575         } else {
5576                 uint32 block_smbpid;
5577
5578                 struct byte_range_lock *br_lck = do_lock(smbd_messaging_context(),
5579                                                         fsp,
5580                                                         lock_pid,
5581                                                         count,
5582                                                         offset,
5583                                                         lock_type,
5584                                                         POSIX_LOCK,
5585                                                         blocking_lock,
5586                                                         &status,
5587                                                         &block_smbpid);
5588
5589                 if (br_lck && blocking_lock && ERROR_WAS_LOCK_DENIED(status)) {
5590                         /*
5591                          * A blocking lock was requested. Package up
5592                          * this smb into a queued request and push it
5593                          * onto the blocking lock queue.
5594                          */
5595                         if(push_blocking_lock_request(br_lck,
5596                                                 req,
5597                                                 fsp,
5598                                                 -1, /* infinite timeout. */
5599                                                 0,
5600                                                 lock_pid,
5601                                                 lock_type,
5602                                                 POSIX_LOCK,
5603                                                 offset,
5604                                                 count,
5605                                                 block_smbpid)) {
5606                                 TALLOC_FREE(br_lck);
5607                                 return status;
5608                         }
5609                 }
5610                 TALLOC_FREE(br_lck);
5611         }
5612
5613         return status;
5614 }
5615
5616 /****************************************************************************
5617  Deal with SMB_INFO_STANDARD.
5618 ****************************************************************************/
5619
5620 static NTSTATUS smb_set_info_standard(connection_struct *conn,
5621                                         const char *pdata,
5622                                         int total_data,
5623                                         files_struct *fsp,
5624                                         const char *fname,
5625                                         const SMB_STRUCT_STAT *psbuf)
5626 {
5627         struct timespec ts[2];
5628
5629         if (total_data < 12) {
5630                 return NT_STATUS_INVALID_PARAMETER;
5631         }
5632
5633         /* access time */
5634         ts[0] = convert_time_t_to_timespec(srv_make_unix_date2(pdata+l1_fdateLastAccess));
5635         /* write time */
5636         ts[1] = convert_time_t_to_timespec(srv_make_unix_date2(pdata+l1_fdateLastWrite));
5637
5638         DEBUG(10,("smb_set_info_standard: file %s\n",
5639                 fname ? fname : fsp->fsp_name ));
5640
5641         return smb_set_file_time(conn,
5642                                 fsp,
5643                                 fname,
5644                                 psbuf,
5645                                 ts,
5646                                 true);
5647 }
5648
5649 /****************************************************************************
5650  Deal with SMB_SET_FILE_BASIC_INFO.
5651 ****************************************************************************/
5652
5653 static NTSTATUS smb_set_file_basic_info(connection_struct *conn,
5654                                         const char *pdata,
5655                                         int total_data,
5656                                         files_struct *fsp,
5657                                         const char *fname,
5658                                         SMB_STRUCT_STAT *psbuf)
5659 {
5660         /* Patch to do this correctly from Paul Eggert <eggert@twinsun.com>. */
5661         struct timespec write_time;
5662         struct timespec changed_time;
5663         uint32 dosmode = 0;
5664         struct timespec ts[2];
5665         NTSTATUS status = NT_STATUS_OK;
5666         bool setting_write_time = true;
5667
5668         if (total_data < 36) {
5669                 return NT_STATUS_INVALID_PARAMETER;
5670         }
5671
5672         /* Set the attributes */
5673         dosmode = IVAL(pdata,32);
5674         status = smb_set_file_dosmode(conn,
5675                                         fname,
5676                                         psbuf,
5677                                         dosmode);
5678         if (!NT_STATUS_IS_OK(status)) {
5679                 return status;
5680         }
5681
5682         /* Ignore create time at offset pdata. */
5683
5684         /* access time */
5685         ts[0] = interpret_long_date(pdata+8);
5686
5687         write_time = interpret_long_date(pdata+16);
5688         changed_time = interpret_long_date(pdata+24);
5689
5690         /* mtime */
5691         ts[1] = timespec_min(&write_time, &changed_time);
5692
5693         if ((timespec_compare(&write_time, &ts[1]) == 1) && !null_timespec(write_time)) {
5694                 ts[1] = write_time;
5695         }
5696
5697         /* Prefer a defined time to an undefined one. */
5698         if (null_timespec(ts[1])) {
5699                 if (null_timespec(write_time)) {
5700                         ts[1] = changed_time;
5701                         setting_write_time = false;
5702                 } else {
5703                         ts[1] = write_time;
5704                 }
5705         }
5706
5707         DEBUG(10,("smb_set_file_basic_info: file %s\n",
5708                 fname ? fname : fsp->fsp_name ));
5709
5710         return smb_set_file_time(conn,
5711                                 fsp,
5712                                 fname,
5713                                 psbuf,
5714                                 ts,
5715                                 setting_write_time);
5716 }
5717
5718 /****************************************************************************
5719  Deal with SMB_SET_FILE_ALLOCATION_INFO.
5720 ****************************************************************************/
5721
5722 static NTSTATUS smb_set_file_allocation_info(connection_struct *conn,
5723                                              struct smb_request *req,
5724                                         const char *pdata,
5725                                         int total_data,
5726                                         files_struct *fsp,
5727                                         const char *fname,
5728                                         SMB_STRUCT_STAT *psbuf)
5729 {
5730         uint64_t allocation_size = 0;
5731         NTSTATUS status = NT_STATUS_OK;
5732         files_struct *new_fsp = NULL;
5733
5734         if (!VALID_STAT(*psbuf)) {
5735                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
5736         }
5737
5738         if (total_data < 8) {
5739                 return NT_STATUS_INVALID_PARAMETER;
5740         }
5741
5742         allocation_size = (uint64_t)IVAL(pdata,0);
5743 #ifdef LARGE_SMB_OFF_T
5744         allocation_size |= (((uint64_t)IVAL(pdata,4)) << 32);
5745 #else /* LARGE_SMB_OFF_T */
5746         if (IVAL(pdata,4) != 0) {
5747                 /* more than 32 bits? */
5748                 return NT_STATUS_INVALID_PARAMETER;
5749         }
5750 #endif /* LARGE_SMB_OFF_T */
5751
5752         DEBUG(10,("smb_set_file_allocation_info: Set file allocation info for file %s to %.0f\n",
5753                         fname, (double)allocation_size ));
5754
5755         if (allocation_size) {
5756                 allocation_size = smb_roundup(conn, allocation_size);
5757         }
5758
5759         DEBUG(10,("smb_set_file_allocation_info: file %s : setting new allocation size to %.0f\n",
5760                         fname, (double)allocation_size ));
5761
5762         if (fsp && fsp->fh->fd != -1) {
5763                 /* Open file handle. */
5764                 /* Only change if needed. */
5765                 if (allocation_size != get_file_size(*psbuf)) {
5766                         if (vfs_allocate_file_space(fsp, allocation_size) == -1) {
5767                                 return map_nt_error_from_unix(errno);
5768                         }
5769                 }
5770                 /* But always update the time. */
5771                 /*
5772                  * This is equivalent to a write. Ensure it's seen immediately
5773                  * if there are no pending writes.
5774                  */
5775                 trigger_write_time_update_immediate(fsp);
5776                 return NT_STATUS_OK;
5777         }
5778
5779         /* Pathname or stat or directory file. */
5780
5781         status = open_file_ntcreate(conn, req, fname, psbuf,
5782                                 FILE_WRITE_DATA,
5783                                 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
5784                                 FILE_OPEN,
5785                                 0,
5786                                 FILE_ATTRIBUTE_NORMAL,
5787                                 FORCE_OPLOCK_BREAK_TO_NONE,
5788                                 NULL, &new_fsp);
5789
5790         if (!NT_STATUS_IS_OK(status)) {
5791                 /* NB. We check for open_was_deferred in the caller. */
5792                 return status;
5793         }
5794
5795         /* Only change if needed. */
5796         if (allocation_size != get_file_size(*psbuf)) {
5797                 if (vfs_allocate_file_space(new_fsp, allocation_size) == -1) {
5798                         status = map_nt_error_from_unix(errno);
5799                         close_file(req, new_fsp, NORMAL_CLOSE);
5800                         return status;
5801                 }
5802         }
5803
5804         /* Changing the allocation size should set the last mod time. */
5805         /*
5806          * This is equivalent to a write. Ensure it's seen immediately
5807          * if there are no pending writes.
5808          */
5809         trigger_write_time_update_immediate(new_fsp);
5810
5811         close_file(req, new_fsp, NORMAL_CLOSE);
5812         return NT_STATUS_OK;
5813 }
5814
5815 /****************************************************************************
5816  Deal with SMB_SET_FILE_END_OF_FILE_INFO.
5817 ****************************************************************************/
5818
5819 static NTSTATUS smb_set_file_end_of_file_info(connection_struct *conn,
5820                                               struct smb_request *req,
5821                                         const char *pdata,
5822                                         int total_data,
5823                                         files_struct *fsp,
5824                                         const char *fname,
5825                                         SMB_STRUCT_STAT *psbuf)
5826 {
5827         SMB_OFF_T size;
5828
5829         if (total_data < 8) {
5830                 return NT_STATUS_INVALID_PARAMETER;
5831         }
5832
5833         size = IVAL(pdata,0);
5834 #ifdef LARGE_SMB_OFF_T
5835         size |= (((SMB_OFF_T)IVAL(pdata,4)) << 32);
5836 #else /* LARGE_SMB_OFF_T */
5837         if (IVAL(pdata,4) != 0) {
5838                 /* more than 32 bits? */
5839                 return NT_STATUS_INVALID_PARAMETER;
5840         }
5841 #endif /* LARGE_SMB_OFF_T */
5842         DEBUG(10,("smb_set_file_end_of_file_info: Set end of file info for "
5843                 "file %s to %.0f\n", fname, (double)size ));
5844
5845         return smb_set_file_size(conn, req,
5846                                 fsp,
5847                                 fname,
5848                                 psbuf,
5849                                 size);
5850 }
5851
5852 /****************************************************************************
5853  Allow a UNIX info mknod.
5854 ****************************************************************************/
5855
5856 static NTSTATUS smb_unix_mknod(connection_struct *conn,
5857                                         const char *pdata,
5858                                         int total_data,
5859                                         const char *fname,
5860                                         SMB_STRUCT_STAT *psbuf)
5861 {
5862         uint32 file_type = IVAL(pdata,56);
5863 #if defined(HAVE_MAKEDEV)
5864         uint32 dev_major = IVAL(pdata,60);
5865         uint32 dev_minor = IVAL(pdata,68);
5866 #endif
5867         SMB_DEV_T dev = (SMB_DEV_T)0;
5868         uint32 raw_unixmode = IVAL(pdata,84);
5869         NTSTATUS status;
5870         mode_t unixmode;
5871
5872         if (total_data < 100) {
5873                 return NT_STATUS_INVALID_PARAMETER;
5874         }
5875
5876         status = unix_perms_from_wire(conn, psbuf, raw_unixmode, PERM_NEW_FILE, &unixmode);
5877         if (!NT_STATUS_IS_OK(status)) {
5878                 return status;
5879         }
5880
5881 #if defined(HAVE_MAKEDEV)
5882         dev = makedev(dev_major, dev_minor);
5883 #endif
5884
5885         switch (file_type) {
5886 #if defined(S_IFIFO)
5887                 case UNIX_TYPE_FIFO:
5888                         unixmode |= S_IFIFO;
5889                         break;
5890 #endif
5891 #if defined(S_IFSOCK)
5892                 case UNIX_TYPE_SOCKET:
5893                         unixmode |= S_IFSOCK;
5894                         break;
5895 #endif
5896 #if defined(S_IFCHR)
5897                 case UNIX_TYPE_CHARDEV:
5898                         unixmode |= S_IFCHR;
5899                         break;
5900 #endif
5901 #if defined(S_IFBLK)
5902                 case UNIX_TYPE_BLKDEV:
5903                         unixmode |= S_IFBLK;
5904                         break;
5905 #endif
5906                 default:
5907                         return NT_STATUS_INVALID_PARAMETER;
5908         }
5909
5910         DEBUG(10,("smb_unix_mknod: SMB_SET_FILE_UNIX_BASIC doing mknod dev %.0f mode \
5911 0%o for file %s\n", (double)dev, (unsigned int)unixmode, fname ));
5912
5913         /* Ok - do the mknod. */
5914         if (SMB_VFS_MKNOD(conn, fname, unixmode, dev) != 0) {
5915                 return map_nt_error_from_unix(errno);
5916         }
5917
5918         /* If any of the other "set" calls fail we
5919          * don't want to end up with a half-constructed mknod.
5920          */
5921
5922         if (lp_inherit_perms(SNUM(conn))) {
5923                 inherit_access_posix_acl(
5924                         conn, parent_dirname(fname),
5925                         fname, unixmode);
5926         }
5927
5928         if (SMB_VFS_STAT(conn, fname, psbuf) != 0) {
5929                 status = map_nt_error_from_unix(errno);
5930                 SMB_VFS_UNLINK(conn,fname);
5931                 return status;
5932         }
5933         return NT_STATUS_OK;
5934 }
5935
5936 /****************************************************************************
5937  Deal with SMB_SET_FILE_UNIX_BASIC.
5938 ****************************************************************************/
5939
5940 static NTSTATUS smb_set_file_unix_basic(connection_struct *conn,
5941                                         struct smb_request *req,
5942                                         const char *pdata,
5943                                         int total_data,
5944                                         files_struct *fsp,
5945                                         const char *fname,
5946                                         SMB_STRUCT_STAT *psbuf)
5947 {
5948         struct timespec ts[2];
5949         uint32 raw_unixmode;
5950         mode_t unixmode;
5951         SMB_OFF_T size = 0;
5952         uid_t set_owner = (uid_t)SMB_UID_NO_CHANGE;
5953         gid_t set_grp = (uid_t)SMB_GID_NO_CHANGE;
5954         NTSTATUS status = NT_STATUS_OK;
5955         bool delete_on_fail = False;
5956         enum perm_type ptype;
5957
5958         if (total_data < 100) {
5959                 return NT_STATUS_INVALID_PARAMETER;
5960         }
5961
5962         if(IVAL(pdata, 0) != SMB_SIZE_NO_CHANGE_LO &&
5963            IVAL(pdata, 4) != SMB_SIZE_NO_CHANGE_HI) {
5964                 size=IVAL(pdata,0); /* first 8 Bytes are size */
5965 #ifdef LARGE_SMB_OFF_T
5966                 size |= (((SMB_OFF_T)IVAL(pdata,4)) << 32);
5967 #else /* LARGE_SMB_OFF_T */
5968                 if (IVAL(pdata,4) != 0) {
5969                         /* more than 32 bits? */
5970                         return NT_STATUS_INVALID_PARAMETER;
5971                 }
5972 #endif /* LARGE_SMB_OFF_T */
5973         }
5974
5975         ts[0] = interpret_long_date(pdata+24); /* access_time */
5976         ts[1] = interpret_long_date(pdata+32); /* modification_time */
5977         set_owner = (uid_t)IVAL(pdata,40);
5978         set_grp = (gid_t)IVAL(pdata,48);
5979         raw_unixmode = IVAL(pdata,84);
5980
5981         if (VALID_STAT(*psbuf)) {
5982                 if (S_ISDIR(psbuf->st_mode)) {
5983                         ptype = PERM_EXISTING_DIR;
5984                 } else {
5985                         ptype = PERM_EXISTING_FILE;
5986                 }
5987         } else {
5988                 ptype = PERM_NEW_FILE;
5989         }
5990
5991         status = unix_perms_from_wire(conn, psbuf, raw_unixmode, ptype, &unixmode);
5992         if (!NT_STATUS_IS_OK(status)) {
5993                 return status;
5994         }
5995
5996         DEBUG(10,("smb_set_file_unix_basic: SMB_SET_FILE_UNIX_BASIC: name = %s \
5997 size = %.0f, uid = %u, gid = %u, raw perms = 0%o\n",
5998                 fname, (double)size, (unsigned int)set_owner, (unsigned int)set_grp, (int)raw_unixmode));
5999
6000         if (!VALID_STAT(*psbuf)) {
6001                 /*
6002                  * The only valid use of this is to create character and block
6003                  * devices, and named pipes. This is deprecated (IMHO) and
6004                  * a new info level should be used for mknod. JRA.
6005                  */
6006
6007                 status = smb_unix_mknod(conn,
6008                                         pdata,
6009                                         total_data,
6010                                         fname,
6011                                         psbuf);
6012                 if (!NT_STATUS_IS_OK(status)) {
6013                         return status;
6014                 }
6015
6016                 /* Ensure we don't try and change anything else. */
6017                 raw_unixmode = SMB_MODE_NO_CHANGE;
6018                 size = get_file_size(*psbuf);
6019                 ts[0] = get_atimespec(psbuf);
6020                 ts[1] = get_mtimespec(psbuf);
6021                 /*
6022                  * We continue here as we might want to change the
6023                  * owner uid/gid.
6024                  */
6025                 delete_on_fail = True;
6026         }
6027
6028 #if 1
6029         /* Horrible backwards compatibility hack as an old server bug
6030          * allowed a CIFS client bug to remain unnoticed :-(. JRA.
6031          * */
6032
6033         if (!size) {
6034                 size = get_file_size(*psbuf);
6035         }
6036 #endif
6037
6038         /*
6039          * Deal with the UNIX specific mode set.
6040          */
6041
6042         if (raw_unixmode != SMB_MODE_NO_CHANGE) {
6043                 DEBUG(10,("smb_set_file_unix_basic: SMB_SET_FILE_UNIX_BASIC setting mode 0%o for file %s\n",
6044                         (unsigned int)unixmode, fname ));
6045                 if (SMB_VFS_CHMOD(conn, fname, unixmode) != 0) {
6046                         return map_nt_error_from_unix(errno);
6047                 }
6048         }
6049
6050         /*
6051          * Deal with the UNIX specific uid set.
6052          */
6053
6054         if ((set_owner != (uid_t)SMB_UID_NO_CHANGE) && (psbuf->st_uid != set_owner)) {
6055                 int ret;
6056
6057                 DEBUG(10,("smb_set_file_unix_basic: SMB_SET_FILE_UNIX_BASIC changing owner %u for path %s\n",
6058                         (unsigned int)set_owner, fname ));
6059
6060                 if (S_ISLNK(psbuf->st_mode)) {
6061                         ret = SMB_VFS_LCHOWN(conn, fname, set_owner, (gid_t)-1);
6062                 } else {
6063                         ret = SMB_VFS_CHOWN(conn, fname, set_owner, (gid_t)-1);
6064                 }
6065
6066                 if (ret != 0) {
6067                         status = map_nt_error_from_unix(errno);
6068                         if (delete_on_fail) {
6069                                 SMB_VFS_UNLINK(conn,fname);
6070                         }
6071                         return status;
6072                 }
6073         }
6074
6075         /*
6076          * Deal with the UNIX specific gid set.
6077          */
6078
6079         if ((set_grp != (uid_t)SMB_GID_NO_CHANGE) && (psbuf->st_gid != set_grp)) {
6080                 DEBUG(10,("smb_set_file_unix_basic: SMB_SET_FILE_UNIX_BASIC changing group %u for file %s\n",
6081                         (unsigned int)set_owner, fname ));
6082                 if (SMB_VFS_CHOWN(conn, fname, (uid_t)-1, set_grp) != 0) {
6083                         status = map_nt_error_from_unix(errno);
6084                         if (delete_on_fail) {
6085                                 SMB_VFS_UNLINK(conn,fname);
6086                         }
6087                         return status;
6088                 }
6089         }
6090
6091         /* Deal with any size changes. */
6092
6093         status = smb_set_file_size(conn, req,
6094                                 fsp,
6095                                 fname,
6096                                 psbuf,
6097                                 size);
6098         if (!NT_STATUS_IS_OK(status)) {
6099                 return status;
6100         }
6101
6102         /* Deal with any time changes. */
6103
6104         return smb_set_file_time(conn,
6105                                 fsp,
6106                                 fname,
6107                                 psbuf,
6108                                 ts,
6109                                 true);
6110 }
6111
6112 /****************************************************************************
6113  Deal with SMB_SET_FILE_UNIX_INFO2.
6114 ****************************************************************************/
6115
6116 static NTSTATUS smb_set_file_unix_info2(connection_struct *conn,
6117                                         struct smb_request *req,
6118                                         const char *pdata,
6119                                         int total_data,
6120                                         files_struct *fsp,
6121                                         const char *fname,
6122                                         SMB_STRUCT_STAT *psbuf)
6123 {
6124         NTSTATUS status;
6125         uint32 smb_fflags;
6126         uint32 smb_fmask;
6127
6128         if (total_data < 116) {
6129                 return NT_STATUS_INVALID_PARAMETER;
6130         }
6131
6132         /* Start by setting all the fields that are common between UNIX_BASIC
6133          * and UNIX_INFO2.
6134          */
6135         status = smb_set_file_unix_basic(conn, req, pdata, total_data,
6136                                 fsp, fname, psbuf);
6137         if (!NT_STATUS_IS_OK(status)) {
6138                 return status;
6139         }
6140
6141         smb_fflags = IVAL(pdata, 108);
6142         smb_fmask = IVAL(pdata, 112);
6143
6144         /* NB: We should only attempt to alter the file flags if the client
6145          * sends a non-zero mask.
6146          */
6147         if (smb_fmask != 0) {
6148                 int stat_fflags = 0;
6149
6150                 if (!map_info2_flags_to_sbuf(psbuf, smb_fflags, smb_fmask,
6151                             &stat_fflags)) {
6152                         /* Client asked to alter a flag we don't understand. */
6153                         return NT_STATUS_INVALID_PARAMETER;
6154                 }
6155
6156                 if (fsp && fsp->fh->fd != -1) {
6157                         /* XXX: we should be  using SMB_VFS_FCHFLAGS here. */
6158                         return NT_STATUS_NOT_SUPPORTED;
6159                 } else {
6160                         if (SMB_VFS_CHFLAGS(conn, fname, stat_fflags) != 0) {
6161                                 return map_nt_error_from_unix(errno);
6162                         }
6163                 }
6164         }
6165
6166         /* XXX: need to add support for changing the create_time here. You
6167          * can do this for paths on Darwin with setattrlist(2). The right way
6168          * to hook this up is probably by extending the VFS utimes interface.
6169          */
6170
6171         return NT_STATUS_OK;
6172 }
6173
6174 /****************************************************************************
6175  Create a directory with POSIX semantics.
6176 ****************************************************************************/
6177
6178 static NTSTATUS smb_posix_mkdir(connection_struct *conn,
6179                                 struct smb_request *req,
6180                                 char **ppdata,
6181                                 int total_data,
6182                                 const char *fname,
6183                                 SMB_STRUCT_STAT *psbuf,
6184                                 int *pdata_return_size)
6185 {
6186         NTSTATUS status = NT_STATUS_OK;
6187         uint32 raw_unixmode = 0;
6188         uint32 mod_unixmode = 0;
6189         mode_t unixmode = (mode_t)0;
6190         files_struct *fsp = NULL;
6191         uint16 info_level_return = 0;
6192         int info;
6193         char *pdata = *ppdata;
6194
6195         if (total_data < 18) {
6196                 return NT_STATUS_INVALID_PARAMETER;
6197         }
6198
6199         raw_unixmode = IVAL(pdata,8);
6200         /* Next 4 bytes are not yet defined. */
6201
6202         status = unix_perms_from_wire(conn, psbuf, raw_unixmode, PERM_NEW_DIR, &unixmode);
6203         if (!NT_STATUS_IS_OK(status)) {
6204                 return status;
6205         }
6206
6207         mod_unixmode = (uint32)unixmode | FILE_FLAG_POSIX_SEMANTICS;
6208
6209         DEBUG(10,("smb_posix_mkdir: file %s, mode 0%o\n",
6210                 fname, (unsigned int)unixmode ));
6211
6212         status = open_directory(conn, req,
6213                                 fname,
6214                                 psbuf,
6215                                 FILE_READ_ATTRIBUTES, /* Just a stat open */
6216                                 FILE_SHARE_NONE, /* Ignored for stat opens */
6217                                 FILE_CREATE,
6218                                 0,
6219                                 mod_unixmode,
6220                                 &info,
6221                                 &fsp);
6222
6223         if (NT_STATUS_IS_OK(status)) {
6224                 close_file(req, fsp, NORMAL_CLOSE);
6225         }
6226
6227         info_level_return = SVAL(pdata,16);
6228
6229         if (info_level_return == SMB_QUERY_FILE_UNIX_BASIC) {
6230                 *pdata_return_size = 12 + SMB_FILE_UNIX_BASIC_SIZE;
6231         } else if (info_level_return ==  SMB_QUERY_FILE_UNIX_INFO2) {
6232                 *pdata_return_size = 12 + SMB_FILE_UNIX_INFO2_SIZE;
6233         } else {
6234                 *pdata_return_size = 12;
6235         }
6236
6237         /* Realloc the data size */
6238         *ppdata = (char *)SMB_REALLOC(*ppdata,*pdata_return_size);
6239         if (*ppdata == NULL) {
6240                 *pdata_return_size = 0;
6241                 return NT_STATUS_NO_MEMORY;
6242         }
6243         pdata = *ppdata;
6244
6245         SSVAL(pdata,0,NO_OPLOCK_RETURN);
6246         SSVAL(pdata,2,0); /* No fnum. */
6247         SIVAL(pdata,4,info); /* Was directory created. */
6248
6249         switch (info_level_return) {
6250                 case SMB_QUERY_FILE_UNIX_BASIC:
6251                         SSVAL(pdata,8,SMB_QUERY_FILE_UNIX_BASIC);
6252                         SSVAL(pdata,10,0); /* Padding. */
6253                         store_file_unix_basic(conn, pdata + 12, fsp, psbuf);
6254                         break;
6255                 case SMB_QUERY_FILE_UNIX_INFO2:
6256                         SSVAL(pdata,8,SMB_QUERY_FILE_UNIX_INFO2);
6257                         SSVAL(pdata,10,0); /* Padding. */
6258                         store_file_unix_basic_info2(conn, pdata + 12, fsp, psbuf);
6259                         break;
6260                 default:
6261                         SSVAL(pdata,8,SMB_NO_INFO_LEVEL_RETURNED);
6262                         SSVAL(pdata,10,0); /* Padding. */
6263                         break;
6264         }
6265
6266         return status;
6267 }
6268
6269 /****************************************************************************
6270  Open/Create a file with POSIX semantics.
6271 ****************************************************************************/
6272
6273 static NTSTATUS smb_posix_open(connection_struct *conn,
6274                                struct smb_request *req,
6275                                 char **ppdata,
6276                                 int total_data,
6277                                 const char *fname,
6278                                 SMB_STRUCT_STAT *psbuf,
6279                                 int *pdata_return_size)
6280 {
6281         bool extended_oplock_granted = False;
6282         char *pdata = *ppdata;
6283         uint32 flags = 0;
6284         uint32 wire_open_mode = 0;
6285         uint32 raw_unixmode = 0;
6286         uint32 mod_unixmode = 0;
6287         uint32 create_disp = 0;
6288         uint32 access_mask = 0;
6289         uint32 create_options = 0;
6290         NTSTATUS status = NT_STATUS_OK;
6291         mode_t unixmode = (mode_t)0;
6292         files_struct *fsp = NULL;
6293         int oplock_request = 0;
6294         int info = 0;
6295         uint16 info_level_return = 0;
6296
6297         if (total_data < 18) {
6298                 return NT_STATUS_INVALID_PARAMETER;
6299         }
6300
6301         flags = IVAL(pdata,0);
6302         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
6303         if (oplock_request) {
6304                 oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
6305         }
6306
6307         wire_open_mode = IVAL(pdata,4);
6308
6309         if (wire_open_mode == (SMB_O_CREAT|SMB_O_DIRECTORY)) {
6310                 return smb_posix_mkdir(conn, req,
6311                                         ppdata,
6312                                         total_data,
6313                                         fname,
6314                                         psbuf,
6315                                         pdata_return_size);
6316         }
6317
6318         switch (wire_open_mode & SMB_ACCMODE) {
6319                 case SMB_O_RDONLY:
6320                         access_mask = FILE_READ_DATA;
6321                         break;
6322                 case SMB_O_WRONLY:
6323                         access_mask = FILE_WRITE_DATA;
6324                         break;
6325                 case SMB_O_RDWR:
6326                         access_mask = FILE_READ_DATA|FILE_WRITE_DATA;
6327                         break;
6328                 default:
6329                         DEBUG(5,("smb_posix_open: invalid open mode 0x%x\n",
6330                                 (unsigned int)wire_open_mode ));
6331                         return NT_STATUS_INVALID_PARAMETER;
6332         }
6333
6334         wire_open_mode &= ~SMB_ACCMODE;
6335
6336         if((wire_open_mode & (SMB_O_CREAT | SMB_O_EXCL)) == (SMB_O_CREAT | SMB_O_EXCL)) {
6337                 create_disp = FILE_CREATE;
6338         } else if((wire_open_mode & (SMB_O_CREAT | SMB_O_TRUNC)) == (SMB_O_CREAT | SMB_O_TRUNC)) {
6339                 create_disp = FILE_OVERWRITE_IF;
6340         } else if((wire_open_mode & SMB_O_CREAT) == SMB_O_CREAT) {
6341                 create_disp = FILE_OPEN_IF;
6342         } else {
6343                 DEBUG(5,("smb_posix_open: invalid create mode 0x%x\n",
6344                         (unsigned int)wire_open_mode ));
6345                 return NT_STATUS_INVALID_PARAMETER;
6346         }
6347
6348         raw_unixmode = IVAL(pdata,8);
6349         /* Next 4 bytes are not yet defined. */
6350
6351         status = unix_perms_from_wire(conn,
6352                                 psbuf,
6353                                 raw_unixmode,
6354                                 VALID_STAT(*psbuf) ? PERM_EXISTING_FILE : PERM_NEW_FILE,
6355                                 &unixmode);
6356
6357         if (!NT_STATUS_IS_OK(status)) {
6358                 return status;
6359         }
6360
6361         mod_unixmode = (uint32)unixmode | FILE_FLAG_POSIX_SEMANTICS;
6362
6363         if (wire_open_mode & SMB_O_SYNC) {
6364                 create_options |= FILE_WRITE_THROUGH;
6365         }
6366         if (wire_open_mode & SMB_O_APPEND) {
6367                 access_mask |= FILE_APPEND_DATA;
6368         }
6369         if (wire_open_mode & SMB_O_DIRECT) {
6370                 mod_unixmode |= FILE_FLAG_NO_BUFFERING;
6371         }
6372
6373         DEBUG(10,("smb_posix_open: file %s, smb_posix_flags = %u, mode 0%o\n",
6374                 fname,
6375                 (unsigned int)wire_open_mode,
6376                 (unsigned int)unixmode ));
6377
6378         status = open_file_ntcreate(conn, req,
6379                                 fname,
6380                                 psbuf,
6381                                 access_mask,
6382                                 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
6383                                 create_disp,
6384                                 0,              /* no create options yet. */
6385                                 mod_unixmode,
6386                                 oplock_request,
6387                                 &info,
6388                                 &fsp);
6389
6390         if (!NT_STATUS_IS_OK(status)) {
6391                 return status;
6392         }
6393
6394         if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
6395                 extended_oplock_granted = True;
6396         }
6397
6398         if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
6399                 extended_oplock_granted = True;
6400         }
6401
6402         info_level_return = SVAL(pdata,16);
6403
6404         /* Allocate the correct return size. */
6405
6406         if (info_level_return == SMB_QUERY_FILE_UNIX_BASIC) {
6407                 *pdata_return_size = 12 + SMB_FILE_UNIX_BASIC_SIZE;
6408         } else if (info_level_return ==  SMB_QUERY_FILE_UNIX_INFO2) {
6409                 *pdata_return_size = 12 + SMB_FILE_UNIX_INFO2_SIZE;
6410         } else {
6411                 *pdata_return_size = 12;
6412         }
6413
6414         /* Realloc the data size */
6415         *ppdata = (char *)SMB_REALLOC(*ppdata,*pdata_return_size);
6416         if (*ppdata == NULL) {
6417                 close_file(req, fsp, ERROR_CLOSE);
6418                 *pdata_return_size = 0;
6419                 return NT_STATUS_NO_MEMORY;
6420         }
6421         pdata = *ppdata;
6422
6423         if (extended_oplock_granted) {
6424                 if (flags & REQUEST_BATCH_OPLOCK) {
6425                         SSVAL(pdata,0, BATCH_OPLOCK_RETURN);
6426                 } else {
6427                         SSVAL(pdata,0, EXCLUSIVE_OPLOCK_RETURN);
6428                 }
6429         } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
6430                 SSVAL(pdata,0, LEVEL_II_OPLOCK_RETURN);
6431         } else {
6432                 SSVAL(pdata,0,NO_OPLOCK_RETURN);
6433         }
6434
6435         SSVAL(pdata,2,fsp->fnum);
6436         SIVAL(pdata,4,info); /* Was file created etc. */
6437
6438         switch (info_level_return) {
6439                 case SMB_QUERY_FILE_UNIX_BASIC:
6440                         SSVAL(pdata,8,SMB_QUERY_FILE_UNIX_BASIC);
6441                         SSVAL(pdata,10,0); /* padding. */
6442                         store_file_unix_basic(conn, pdata + 12, fsp, psbuf);
6443                         break;
6444                 case SMB_QUERY_FILE_UNIX_INFO2:
6445                         SSVAL(pdata,8,SMB_QUERY_FILE_UNIX_INFO2);
6446                         SSVAL(pdata,10,0); /* padding. */
6447                         store_file_unix_basic_info2(conn, pdata + 12, fsp, psbuf);
6448                         break;
6449                 default:
6450                         SSVAL(pdata,8,SMB_NO_INFO_LEVEL_RETURNED);
6451                         SSVAL(pdata,10,0); /* padding. */
6452                         break;
6453         }
6454         return NT_STATUS_OK;
6455 }
6456
6457 /****************************************************************************
6458  Delete a file with POSIX semantics.
6459 ****************************************************************************/
6460
6461 static NTSTATUS smb_posix_unlink(connection_struct *conn,
6462                                  struct smb_request *req,
6463                                 const char *pdata,
6464                                 int total_data,
6465                                 const char *fname,
6466                                 SMB_STRUCT_STAT *psbuf)
6467 {
6468         NTSTATUS status = NT_STATUS_OK;
6469         files_struct *fsp = NULL;
6470         uint16 flags = 0;
6471         char del = 1;
6472         int info = 0;
6473         int i;
6474         struct share_mode_lock *lck = NULL;
6475
6476         if (total_data < 2) {
6477                 return NT_STATUS_INVALID_PARAMETER;
6478         }
6479
6480         flags = SVAL(pdata,0);
6481
6482         if (!VALID_STAT(*psbuf)) {
6483                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
6484         }
6485
6486         if ((flags == SMB_POSIX_UNLINK_DIRECTORY_TARGET) &&
6487                         !VALID_STAT_OF_DIR(*psbuf)) {
6488                 return NT_STATUS_NOT_A_DIRECTORY;
6489         }
6490
6491         DEBUG(10,("smb_posix_unlink: %s %s\n",
6492                 (flags == SMB_POSIX_UNLINK_DIRECTORY_TARGET) ? "directory" : "file",
6493                 fname));
6494
6495         if (VALID_STAT_OF_DIR(*psbuf)) {
6496                 status = open_directory(conn, req,
6497                                         fname,
6498                                         psbuf,
6499                                         DELETE_ACCESS,
6500                                         FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
6501                                         FILE_OPEN,
6502                                         0,
6503                                         FILE_FLAG_POSIX_SEMANTICS|0777,
6504                                         &info,
6505                                         &fsp);
6506         } else {
6507
6508                 status = open_file_ntcreate(conn, req,
6509                                 fname,
6510                                 psbuf,
6511                                 DELETE_ACCESS,
6512                                 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
6513                                 FILE_OPEN,
6514                                 0,
6515                                 FILE_FLAG_POSIX_SEMANTICS|0777,
6516                                 0, /* No oplock, but break existing ones. */
6517                                 &info,
6518                                 &fsp);
6519         }
6520
6521         if (!NT_STATUS_IS_OK(status)) {
6522                 return status;
6523         }
6524
6525         /*
6526          * Don't lie to client. If we can't really delete due to
6527          * non-POSIX opens return SHARING_VIOLATION.
6528          */
6529
6530         lck = get_share_mode_lock(talloc_tos(), fsp->file_id, NULL, NULL,
6531                                   NULL);
6532         if (lck == NULL) {
6533                 DEBUG(0, ("smb_posix_unlink: Could not get share mode "
6534                         "lock for file %s\n", fsp->fsp_name));
6535                 close_file(req, fsp, NORMAL_CLOSE);
6536                 return NT_STATUS_INVALID_PARAMETER;
6537         }
6538
6539         /*
6540          * See if others still have the file open. If this is the case, then
6541          * don't delete. If all opens are POSIX delete we can set the delete
6542          * on close disposition.
6543          */
6544         for (i=0; i<lck->num_share_modes; i++) {
6545                 struct share_mode_entry *e = &lck->share_modes[i];
6546                 if (is_valid_share_mode_entry(e)) {
6547                         if (e->flags & SHARE_MODE_FLAG_POSIX_OPEN) {
6548                                 continue;
6549                         }
6550                         /* Fail with sharing violation. */
6551                         close_file(req, fsp, NORMAL_CLOSE);
6552                         TALLOC_FREE(lck);
6553                         return NT_STATUS_SHARING_VIOLATION;
6554                 }
6555         }
6556
6557         /*
6558          * Set the delete on close.
6559          */
6560         status = smb_set_file_disposition_info(conn,
6561                                                 &del,
6562                                                 1,
6563                                                 fsp,
6564                                                 fname,
6565                                                 psbuf);
6566
6567         if (!NT_STATUS_IS_OK(status)) {
6568                 close_file(req, fsp, NORMAL_CLOSE);
6569                 TALLOC_FREE(lck);
6570                 return status;
6571         }
6572         TALLOC_FREE(lck);
6573         return close_file(req, fsp, NORMAL_CLOSE);
6574 }
6575
6576 /****************************************************************************
6577  Reply to a TRANS2_SETFILEINFO (set file info by fileid or pathname).
6578 ****************************************************************************/
6579
6580 static void call_trans2setfilepathinfo(connection_struct *conn,
6581                                        struct smb_request *req,
6582                                        unsigned int tran_call,
6583                                        char **pparams, int total_params,
6584                                        char **ppdata, int total_data,
6585                                        unsigned int max_data_bytes)
6586 {
6587         char *params = *pparams;
6588         char *pdata = *ppdata;
6589         uint16 info_level;
6590         SMB_STRUCT_STAT sbuf;
6591         char *fname = NULL;
6592         files_struct *fsp = NULL;
6593         NTSTATUS status = NT_STATUS_OK;
6594         int data_return_size = 0;
6595         TALLOC_CTX *ctx = talloc_tos();
6596
6597         if (!params) {
6598                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
6599                 return;
6600         }
6601
6602         ZERO_STRUCT(sbuf);
6603
6604         if (tran_call == TRANSACT2_SETFILEINFO) {
6605                 if (total_params < 4) {
6606                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
6607                         return;
6608                 }
6609
6610                 fsp = file_fsp(req, SVAL(params,0));
6611                 /* Basic check for non-null fsp. */
6612                 if (!check_fsp_open(conn, req, fsp)) {
6613                         return;
6614                 }
6615                 info_level = SVAL(params,2);
6616
6617                 fname = talloc_strdup(talloc_tos(),fsp->fsp_name);
6618                 if (!fname) {
6619                         reply_nterror(req, NT_STATUS_NO_MEMORY);
6620                         return;
6621                 }
6622
6623                 if(fsp->is_directory || fsp->fh->fd == -1) {
6624                         /*
6625                          * This is actually a SETFILEINFO on a directory
6626                          * handle (returned from an NT SMB). NT5.0 seems
6627                          * to do this call. JRA.
6628                          */
6629                         if (INFO_LEVEL_IS_UNIX(info_level)) {
6630                                 /* Always do lstat for UNIX calls. */
6631                                 if (SMB_VFS_LSTAT(conn,fname,&sbuf)) {
6632                                         DEBUG(3,("call_trans2setfilepathinfo: SMB_VFS_LSTAT of %s failed (%s)\n",fname,strerror(errno)));
6633                                         reply_unixerror(req,ERRDOS,ERRbadpath);
6634                                         return;
6635                                 }
6636                         } else {
6637                                 if (SMB_VFS_STAT(conn,fname,&sbuf) != 0) {
6638                                         DEBUG(3,("call_trans2setfilepathinfo: fileinfo of %s failed (%s)\n",fname,strerror(errno)));
6639                                         reply_unixerror(req,ERRDOS,ERRbadpath);
6640                                         return;
6641                                 }
6642                         }
6643                 } else if (fsp->print_file) {
6644                         /*
6645                          * Doing a DELETE_ON_CLOSE should cancel a print job.
6646                          */
6647                         if ((info_level == SMB_SET_FILE_DISPOSITION_INFO) && CVAL(pdata,0)) {
6648                                 fsp->fh->private_options |= FILE_DELETE_ON_CLOSE;
6649
6650                                 DEBUG(3,("call_trans2setfilepathinfo: Cancelling print job (%s)\n", fsp->fsp_name ));
6651
6652                                 SSVAL(params,0,0);
6653                                 send_trans2_replies(conn, req, params, 2,
6654                                                     *ppdata, 0,
6655                                                     max_data_bytes);
6656                                 return;
6657                         } else {
6658                                 reply_unixerror(req, ERRDOS, ERRbadpath);
6659                                 return;
6660                         }
6661                 } else {
6662                         /*
6663                          * Original code - this is an open file.
6664                          */
6665                         if (!check_fsp(conn, req, fsp)) {
6666                                 return;
6667                         }
6668
6669                         if (SMB_VFS_FSTAT(fsp, &sbuf) != 0) {
6670                                 DEBUG(3,("call_trans2setfilepathinfo: fstat of fnum %d failed (%s)\n",fsp->fnum, strerror(errno)));
6671                                 reply_unixerror(req, ERRDOS, ERRbadfid);
6672                                 return;
6673                         }
6674                 }
6675         } else {
6676                 /* set path info */
6677                 if (total_params < 7) {
6678                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
6679                         return;
6680                 }
6681
6682                 info_level = SVAL(params,0);
6683                 srvstr_get_path(ctx, params, req->flags2, &fname, &params[6],
6684                                 total_params - 6, STR_TERMINATE,
6685                                 &status);
6686                 if (!NT_STATUS_IS_OK(status)) {
6687                         reply_nterror(req, status);
6688                         return;
6689                 }
6690
6691                 status = resolve_dfspath(ctx, conn,
6692                                          req->flags2 & FLAGS2_DFS_PATHNAMES,
6693                                          fname,
6694                                          &fname);
6695                 if (!NT_STATUS_IS_OK(status)) {
6696                         if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
6697                                 reply_botherror(req,
6698                                                 NT_STATUS_PATH_NOT_COVERED,
6699                                                 ERRSRV, ERRbadpath);
6700                                 return;
6701                         }
6702                         reply_nterror(req, status);
6703                         return;
6704                 }
6705
6706                 status = unix_convert(ctx, conn, fname, False,
6707                                 &fname, NULL, &sbuf);
6708                 if (!NT_STATUS_IS_OK(status)) {
6709                         reply_nterror(req, status);
6710                         return;
6711                 }
6712
6713                 status = check_name(conn, fname);
6714                 if (!NT_STATUS_IS_OK(status)) {
6715                         reply_nterror(req, status);
6716                         return;
6717                 }
6718
6719                 if (INFO_LEVEL_IS_UNIX(info_level)) {
6720                         /*
6721                          * For CIFS UNIX extensions the target name may not exist.
6722                          */
6723
6724                         /* Always do lstat for UNIX calls. */
6725                         SMB_VFS_LSTAT(conn,fname,&sbuf);
6726
6727                 } else if (!VALID_STAT(sbuf) && SMB_VFS_STAT(conn,fname,&sbuf)) {
6728                         DEBUG(3,("call_trans2setfilepathinfo: SMB_VFS_STAT of %s failed (%s)\n",fname,strerror(errno)));
6729                         reply_unixerror(req, ERRDOS, ERRbadpath);
6730                         return;
6731                 }
6732         }
6733
6734         if (!CAN_WRITE(conn)) {
6735                 reply_doserror(req, ERRSRV, ERRaccess);
6736                 return;
6737         }
6738
6739         if (INFO_LEVEL_IS_UNIX(info_level) && !lp_unix_extensions()) {
6740                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
6741                 return;
6742         }
6743
6744         DEBUG(3,("call_trans2setfilepathinfo(%d) %s (fnum %d) info_level=%d totdata=%d\n",
6745                 tran_call,fname, fsp ? fsp->fnum : -1, info_level,total_data));
6746
6747         /* Realloc the parameter size */
6748         *pparams = (char *)SMB_REALLOC(*pparams,2);
6749         if (*pparams == NULL) {
6750                 reply_nterror(req, NT_STATUS_NO_MEMORY);
6751                 return;
6752         }
6753         params = *pparams;
6754
6755         SSVAL(params,0,0);
6756
6757         switch (info_level) {
6758
6759                 case SMB_INFO_STANDARD:
6760                 {
6761                         status = smb_set_info_standard(conn,
6762                                         pdata,
6763                                         total_data,
6764                                         fsp,
6765                                         fname,
6766                                         &sbuf);
6767                         break;
6768                 }
6769
6770                 case SMB_INFO_SET_EA:
6771                 {
6772                         status = smb_info_set_ea(conn,
6773                                                 pdata,
6774                                                 total_data,
6775                                                 fsp,
6776                                                 fname);
6777                         break;
6778                 }
6779
6780                 case SMB_SET_FILE_BASIC_INFO:
6781                 case SMB_FILE_BASIC_INFORMATION:
6782                 {
6783                         status = smb_set_file_basic_info(conn,
6784                                                         pdata,
6785                                                         total_data,
6786                                                         fsp,
6787                                                         fname,
6788                                                         &sbuf);
6789                         break;
6790                 }
6791
6792                 case SMB_FILE_ALLOCATION_INFORMATION:
6793                 case SMB_SET_FILE_ALLOCATION_INFO:
6794                 {
6795                         status = smb_set_file_allocation_info(conn, req,
6796                                                                 pdata,
6797                                                                 total_data,
6798                                                                 fsp,
6799                                                                 fname,
6800                                                                 &sbuf);
6801                         break;
6802                 }
6803
6804                 case SMB_FILE_END_OF_FILE_INFORMATION:
6805                 case SMB_SET_FILE_END_OF_FILE_INFO:
6806                 {
6807                         status = smb_set_file_end_of_file_info(conn, req,
6808                                                                 pdata,
6809                                                                 total_data,
6810                                                                 fsp,
6811                                                                 fname,
6812                                                                 &sbuf);
6813                         break;
6814                 }
6815
6816                 case SMB_FILE_DISPOSITION_INFORMATION:
6817                 case SMB_SET_FILE_DISPOSITION_INFO: /* Set delete on close for open file. */
6818                 {
6819 #if 0
6820                         /* JRA - We used to just ignore this on a path ?
6821                          * Shouldn't this be invalid level on a pathname
6822                          * based call ?
6823                          */
6824                         if (tran_call != TRANSACT2_SETFILEINFO) {
6825                                 return ERROR_NT(NT_STATUS_INVALID_LEVEL);
6826                         }
6827 #endif
6828                         status = smb_set_file_disposition_info(conn,
6829                                                 pdata,
6830                                                 total_data,
6831                                                 fsp,
6832                                                 fname,
6833                                                 &sbuf);
6834                         break;
6835                 }
6836
6837                 case SMB_FILE_POSITION_INFORMATION:
6838                 {
6839                         status = smb_file_position_information(conn,
6840                                                 pdata,
6841                                                 total_data,
6842                                                 fsp);
6843                         break;
6844                 }
6845
6846                 /* From tridge Samba4 :
6847                  * MODE_INFORMATION in setfileinfo (I have no
6848                  * idea what "mode information" on a file is - it takes a value of 0,
6849                  * 2, 4 or 6. What could it be?).
6850                  */
6851
6852                 case SMB_FILE_MODE_INFORMATION:
6853                 {
6854                         status = smb_file_mode_information(conn,
6855                                                 pdata,
6856                                                 total_data);
6857                         break;
6858                 }
6859
6860                 /*
6861                  * CIFS UNIX extensions.
6862                  */
6863
6864                 case SMB_SET_FILE_UNIX_BASIC:
6865                 {
6866                         status = smb_set_file_unix_basic(conn, req,
6867                                                         pdata,
6868                                                         total_data,
6869                                                         fsp,
6870                                                         fname,
6871                                                         &sbuf);
6872                         break;
6873                 }
6874
6875                 case SMB_SET_FILE_UNIX_INFO2:
6876                 {
6877                         status = smb_set_file_unix_info2(conn, req,
6878                                                         pdata,
6879                                                         total_data,
6880                                                         fsp,
6881                                                         fname,
6882                                                         &sbuf);
6883                         break;
6884                 }
6885
6886                 case SMB_SET_FILE_UNIX_LINK:
6887                 {
6888                         if (tran_call != TRANSACT2_SETPATHINFO) {
6889                                 /* We must have a pathname for this. */
6890                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
6891                                 return;
6892                         }
6893                         status = smb_set_file_unix_link(conn, req, pdata,
6894                                                         total_data, fname);
6895                         break;
6896                 }
6897
6898                 case SMB_SET_FILE_UNIX_HLINK:
6899                 {
6900                         if (tran_call != TRANSACT2_SETPATHINFO) {
6901                                 /* We must have a pathname for this. */
6902                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
6903                                 return;
6904                         }
6905                         status = smb_set_file_unix_hlink(conn, req,
6906                                                          pdata, total_data,
6907                                                          fname);
6908                         break;
6909                 }
6910
6911                 case SMB_FILE_RENAME_INFORMATION:
6912                 {
6913                         status = smb_file_rename_information(conn, req,
6914                                                              pdata, total_data,
6915                                                              fsp, fname);
6916                         break;
6917                 }
6918
6919 #if defined(HAVE_POSIX_ACLS)
6920                 case SMB_SET_POSIX_ACL:
6921                 {
6922                         status = smb_set_posix_acl(conn,
6923                                                 pdata,
6924                                                 total_data,
6925                                                 fsp,
6926                                                 fname,
6927                                                 &sbuf);
6928                         break;
6929                 }
6930 #endif
6931
6932                 case SMB_SET_POSIX_LOCK:
6933                 {
6934                         if (tran_call != TRANSACT2_SETFILEINFO) {
6935                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
6936                                 return;
6937                         }
6938                         status = smb_set_posix_lock(conn, req,
6939                                                     pdata, total_data, fsp);
6940                         break;
6941                 }
6942
6943                 case SMB_POSIX_PATH_OPEN:
6944                 {
6945                         if (tran_call != TRANSACT2_SETPATHINFO) {
6946                                 /* We must have a pathname for this. */
6947                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
6948                                 return;
6949                         }
6950
6951                         status = smb_posix_open(conn, req,
6952                                                 ppdata,
6953                                                 total_data,
6954                                                 fname,
6955                                                 &sbuf,
6956                                                 &data_return_size);
6957                         break;
6958                 }
6959
6960                 case SMB_POSIX_PATH_UNLINK:
6961                 {
6962                         if (tran_call != TRANSACT2_SETPATHINFO) {
6963                                 /* We must have a pathname for this. */
6964                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
6965                                 return;
6966                         }
6967
6968                         status = smb_posix_unlink(conn, req,
6969                                                 pdata,
6970                                                 total_data,
6971                                                 fname,
6972                                                 &sbuf);
6973                         break;
6974                 }
6975
6976                 default:
6977                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
6978                         return;
6979         }
6980
6981
6982         if (!NT_STATUS_IS_OK(status)) {
6983                 if (open_was_deferred(req->mid)) {
6984                         /* We have re-scheduled this call. */
6985                         return;
6986                 }
6987                 if (blocking_lock_was_deferred(req->mid)) {
6988                         /* We have re-scheduled this call. */
6989                         return;
6990                 }
6991                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
6992                         reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
6993                                         ERRSRV, ERRbadpath);
6994                         return;
6995                 }
6996                 if (info_level == SMB_POSIX_PATH_OPEN) {
6997                         reply_openerror(req, status);
6998                         return;
6999                 }
7000
7001                 reply_nterror(req, status);
7002                 return;
7003         }
7004
7005         SSVAL(params,0,0);
7006         send_trans2_replies(conn, req, params, 2, *ppdata, data_return_size,
7007                             max_data_bytes);
7008
7009         return;
7010 }
7011
7012 /****************************************************************************
7013  Reply to a TRANS2_MKDIR (make directory with extended attributes).
7014 ****************************************************************************/
7015
7016 static void call_trans2mkdir(connection_struct *conn, struct smb_request *req,
7017                              char **pparams, int total_params,
7018                              char **ppdata, int total_data,
7019                              unsigned int max_data_bytes)
7020 {
7021         char *params = *pparams;
7022         char *pdata = *ppdata;
7023         char *directory = NULL;
7024         SMB_STRUCT_STAT sbuf;
7025         NTSTATUS status = NT_STATUS_OK;
7026         struct ea_list *ea_list = NULL;
7027         TALLOC_CTX *ctx = talloc_tos();
7028
7029         if (!CAN_WRITE(conn)) {
7030                 reply_doserror(req, ERRSRV, ERRaccess);
7031                 return;
7032         }
7033
7034         if (total_params < 5) {
7035                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7036                 return;
7037         }
7038
7039         srvstr_get_path(ctx, params, req->flags2, &directory, &params[4],
7040                         total_params - 4, STR_TERMINATE,
7041                         &status);
7042         if (!NT_STATUS_IS_OK(status)) {
7043                 reply_nterror(req, status);
7044                 return;
7045         }
7046
7047         DEBUG(3,("call_trans2mkdir : name = %s\n", directory));
7048
7049         status = unix_convert(ctx, conn, directory, False, &directory, NULL, &sbuf);
7050         if (!NT_STATUS_IS_OK(status)) {
7051                 reply_nterror(req, status);
7052                 return;
7053         }
7054
7055         status = check_name(conn, directory);
7056         if (!NT_STATUS_IS_OK(status)) {
7057                 DEBUG(5,("call_trans2mkdir error (%s)\n", nt_errstr(status)));
7058                 reply_nterror(req, status);
7059                 return;
7060         }
7061
7062         /* Any data in this call is an EA list. */
7063         if (total_data && (total_data != 4) && !lp_ea_support(SNUM(conn))) {
7064                 reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
7065                 return;
7066         }
7067
7068         /*
7069          * OS/2 workplace shell seems to send SET_EA requests of "null"
7070          * length (4 bytes containing IVAL 4).
7071          * They seem to have no effect. Bug #3212. JRA.
7072          */
7073
7074         if (total_data != 4) {
7075                 if (total_data < 10) {
7076                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7077                         return;
7078                 }
7079
7080                 if (IVAL(pdata,0) > total_data) {
7081                         DEBUG(10,("call_trans2mkdir: bad total data size (%u) > %u\n",
7082                                 IVAL(pdata,0), (unsigned int)total_data));
7083                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7084                         return;
7085                 }
7086
7087                 ea_list = read_ea_list(talloc_tos(), pdata + 4,
7088                                        total_data - 4);
7089                 if (!ea_list) {
7090                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7091                         return;
7092                 }
7093         }
7094         /* If total_data == 4 Windows doesn't care what values
7095          * are placed in that field, it just ignores them.
7096          * The System i QNTC IBM SMB client puts bad values here,
7097          * so ignore them. */
7098
7099         status = create_directory(conn, req, directory);
7100
7101         if (!NT_STATUS_IS_OK(status)) {
7102                 reply_nterror(req, status);
7103                 return;
7104         }
7105
7106         /* Try and set any given EA. */
7107         if (ea_list) {
7108                 status = set_ea(conn, NULL, directory, ea_list);
7109                 if (!NT_STATUS_IS_OK(status)) {
7110                         reply_nterror(req, status);
7111                         return;
7112                 }
7113         }
7114
7115         /* Realloc the parameter and data sizes */
7116         *pparams = (char *)SMB_REALLOC(*pparams,2);
7117         if(*pparams == NULL) {
7118                 reply_nterror(req, NT_STATUS_NO_MEMORY);
7119                 return;
7120         }
7121         params = *pparams;
7122
7123         SSVAL(params,0,0);
7124
7125         send_trans2_replies(conn, req, params, 2, *ppdata, 0, max_data_bytes);
7126
7127         return;
7128 }
7129
7130 /****************************************************************************
7131  Reply to a TRANS2_FINDNOTIFYFIRST (start monitoring a directory for changes).
7132  We don't actually do this - we just send a null response.
7133 ****************************************************************************/
7134
7135 static void call_trans2findnotifyfirst(connection_struct *conn,
7136                                        struct smb_request *req,
7137                                        char **pparams, int total_params,
7138                                        char **ppdata, int total_data,
7139                                        unsigned int max_data_bytes)
7140 {
7141         static uint16 fnf_handle = 257;
7142         char *params = *pparams;
7143         uint16 info_level;
7144
7145         if (total_params < 6) {
7146                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7147                 return;
7148         }
7149
7150         info_level = SVAL(params,4);
7151         DEBUG(3,("call_trans2findnotifyfirst - info_level %d\n", info_level));
7152
7153         switch (info_level) {
7154                 case 1:
7155                 case 2:
7156                         break;
7157                 default:
7158                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
7159                         return;
7160         }
7161
7162         /* Realloc the parameter and data sizes */
7163         *pparams = (char *)SMB_REALLOC(*pparams,6);
7164         if (*pparams == NULL) {
7165                 reply_nterror(req, NT_STATUS_NO_MEMORY);
7166                 return;
7167         }
7168         params = *pparams;
7169
7170         SSVAL(params,0,fnf_handle);
7171         SSVAL(params,2,0); /* No changes */
7172         SSVAL(params,4,0); /* No EA errors */
7173
7174         fnf_handle++;
7175
7176         if(fnf_handle == 0)
7177                 fnf_handle = 257;
7178
7179         send_trans2_replies(conn, req, params, 6, *ppdata, 0, max_data_bytes);
7180
7181         return;
7182 }
7183
7184 /****************************************************************************
7185  Reply to a TRANS2_FINDNOTIFYNEXT (continue monitoring a directory for
7186  changes). Currently this does nothing.
7187 ****************************************************************************/
7188
7189 static void call_trans2findnotifynext(connection_struct *conn,
7190                                       struct smb_request *req,
7191                                       char **pparams, int total_params,
7192                                       char **ppdata, int total_data,
7193                                       unsigned int max_data_bytes)
7194 {
7195         char *params = *pparams;
7196
7197         DEBUG(3,("call_trans2findnotifynext\n"));
7198
7199         /* Realloc the parameter and data sizes */
7200         *pparams = (char *)SMB_REALLOC(*pparams,4);
7201         if (*pparams == NULL) {
7202                 reply_nterror(req, NT_STATUS_NO_MEMORY);
7203                 return;
7204         }
7205         params = *pparams;
7206
7207         SSVAL(params,0,0); /* No changes */
7208         SSVAL(params,2,0); /* No EA errors */
7209
7210         send_trans2_replies(conn, req, params, 4, *ppdata, 0, max_data_bytes);
7211
7212         return;
7213 }
7214
7215 /****************************************************************************
7216  Reply to a TRANS2_GET_DFS_REFERRAL - Shirish Kalele <kalele@veritas.com>.
7217 ****************************************************************************/
7218
7219 static void call_trans2getdfsreferral(connection_struct *conn,
7220                                       struct smb_request *req,
7221                                       char **pparams, int total_params,
7222                                       char **ppdata, int total_data,
7223                                       unsigned int max_data_bytes)
7224 {
7225         char *params = *pparams;
7226         char *pathname = NULL;
7227         int reply_size = 0;
7228         int max_referral_level;
7229         NTSTATUS status = NT_STATUS_OK;
7230         TALLOC_CTX *ctx = talloc_tos();
7231
7232         DEBUG(10,("call_trans2getdfsreferral\n"));
7233
7234         if (total_params < 3) {
7235                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7236                 return;
7237         }
7238
7239         max_referral_level = SVAL(params,0);
7240
7241         if(!lp_host_msdfs()) {
7242                 reply_doserror(req, ERRDOS, ERRbadfunc);
7243                 return;
7244         }
7245
7246         srvstr_pull_talloc(ctx, params, req->flags2, &pathname, &params[2],
7247                     total_params - 2, STR_TERMINATE);
7248         if (!pathname) {
7249                 reply_nterror(req, NT_STATUS_NOT_FOUND);
7250                 return;
7251         }
7252         if((reply_size = setup_dfs_referral(conn, pathname, max_referral_level,
7253                                             ppdata,&status)) < 0) {
7254                 reply_nterror(req, status);
7255                 return;
7256         }
7257
7258         SSVAL(req->inbuf, smb_flg2,
7259               SVAL(req->inbuf,smb_flg2) | FLAGS2_DFS_PATHNAMES);
7260         send_trans2_replies(conn, req,0,0,*ppdata,reply_size, max_data_bytes);
7261
7262         return;
7263 }
7264
7265 #define LMCAT_SPL       0x53
7266 #define LMFUNC_GETJOBID 0x60
7267
7268 /****************************************************************************
7269  Reply to a TRANS2_IOCTL - used for OS/2 printing.
7270 ****************************************************************************/
7271
7272 static void call_trans2ioctl(connection_struct *conn,
7273                              struct smb_request *req,
7274                              char **pparams, int total_params,
7275                              char **ppdata, int total_data,
7276                              unsigned int max_data_bytes)
7277 {
7278         char *pdata = *ppdata;
7279         files_struct *fsp = file_fsp(req, SVAL(req->vwv+15, 0));
7280
7281         /* check for an invalid fid before proceeding */
7282
7283         if (!fsp) {
7284                 reply_doserror(req, ERRDOS, ERRbadfid);
7285                 return;
7286         }
7287
7288         if ((SVAL(req->vwv+16, 0) == LMCAT_SPL)
7289             && (SVAL(req->vwv+17, 0) == LMFUNC_GETJOBID)) {
7290                 *ppdata = (char *)SMB_REALLOC(*ppdata, 32);
7291                 if (*ppdata == NULL) {
7292                         reply_nterror(req, NT_STATUS_NO_MEMORY);
7293                         return;
7294                 }
7295                 pdata = *ppdata;
7296
7297                 /* NOTE - THIS IS ASCII ONLY AT THE MOMENT - NOT SURE IF OS/2
7298                         CAN ACCEPT THIS IN UNICODE. JRA. */
7299
7300                 SSVAL(pdata,0,fsp->rap_print_jobid);                     /* Job number */
7301                 srvstr_push(pdata, req->flags2, pdata + 2,
7302                             global_myname(), 15,
7303                             STR_ASCII|STR_TERMINATE); /* Our NetBIOS name */
7304                 srvstr_push(pdata, req->flags2, pdata+18,
7305                             lp_servicename(SNUM(conn)), 13,
7306                             STR_ASCII|STR_TERMINATE); /* Service name */
7307                 send_trans2_replies(conn, req, *pparams, 0, *ppdata, 32,
7308                                     max_data_bytes);
7309                 return;
7310         }
7311
7312         DEBUG(2,("Unknown TRANS2_IOCTL\n"));
7313         reply_doserror(req, ERRSRV, ERRerror);
7314 }
7315
7316 /****************************************************************************
7317  Reply to a SMBfindclose (stop trans2 directory search).
7318 ****************************************************************************/
7319
7320 void reply_findclose(struct smb_request *req)
7321 {
7322         int dptr_num;
7323
7324         START_PROFILE(SMBfindclose);
7325
7326         if (req->wct < 1) {
7327                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7328                 END_PROFILE(SMBfindclose);
7329                 return;
7330         }
7331
7332         dptr_num = SVALS(req->vwv+0, 0);
7333
7334         DEBUG(3,("reply_findclose, dptr_num = %d\n", dptr_num));
7335
7336         dptr_close(&dptr_num);
7337
7338         reply_outbuf(req, 0, 0);
7339
7340         DEBUG(3,("SMBfindclose dptr_num = %d\n", dptr_num));
7341
7342         END_PROFILE(SMBfindclose);
7343         return;
7344 }
7345
7346 /****************************************************************************
7347  Reply to a SMBfindnclose (stop FINDNOTIFYFIRST directory search).
7348 ****************************************************************************/
7349
7350 void reply_findnclose(struct smb_request *req)
7351 {
7352         int dptr_num;
7353
7354         START_PROFILE(SMBfindnclose);
7355
7356         if (req->wct < 1) {
7357                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7358                 END_PROFILE(SMBfindnclose);
7359                 return;
7360         }
7361
7362         dptr_num = SVAL(req->vwv+0, 0);
7363
7364         DEBUG(3,("reply_findnclose, dptr_num = %d\n", dptr_num));
7365
7366         /* We never give out valid handles for a
7367            findnotifyfirst - so any dptr_num is ok here.
7368            Just ignore it. */
7369
7370         reply_outbuf(req, 0, 0);
7371
7372         DEBUG(3,("SMB_findnclose dptr_num = %d\n", dptr_num));
7373
7374         END_PROFILE(SMBfindnclose);
7375         return;
7376 }
7377
7378 static void handle_trans2(connection_struct *conn, struct smb_request *req,
7379                           struct trans_state *state)
7380 {
7381         if (Protocol >= PROTOCOL_NT1) {
7382                 req->flags2 |= 0x40; /* IS_LONG_NAME */
7383                 SSVAL(req->inbuf,smb_flg2,req->flags2);
7384         }
7385
7386         if (conn->encrypt_level == Required && !req->encrypted) {
7387                 if (state->call != TRANSACT2_QFSINFO &&
7388                                 state->call != TRANSACT2_SETFSINFO) {
7389                         DEBUG(0,("handle_trans2: encryption required "
7390                                 "with call 0x%x\n",
7391                                 (unsigned int)state->call));
7392                         reply_nterror(req, NT_STATUS_ACCESS_DENIED);
7393                         return;
7394                 }
7395         }
7396
7397         /* Now we must call the relevant TRANS2 function */
7398         switch(state->call)  {
7399         case TRANSACT2_OPEN:
7400         {
7401                 START_PROFILE(Trans2_open);
7402                 call_trans2open(conn, req,
7403                                 &state->param, state->total_param,
7404                                 &state->data, state->total_data,
7405                                 state->max_data_return);
7406                 END_PROFILE(Trans2_open);
7407                 break;
7408         }
7409
7410         case TRANSACT2_FINDFIRST:
7411         {
7412                 START_PROFILE(Trans2_findfirst);
7413                 call_trans2findfirst(conn, req,
7414                                      &state->param, state->total_param,
7415                                      &state->data, state->total_data,
7416                                      state->max_data_return);
7417                 END_PROFILE(Trans2_findfirst);
7418                 break;
7419         }
7420
7421         case TRANSACT2_FINDNEXT:
7422         {
7423                 START_PROFILE(Trans2_findnext);
7424                 call_trans2findnext(conn, req,
7425                                     &state->param, state->total_param,
7426                                     &state->data, state->total_data,
7427                                     state->max_data_return);
7428                 END_PROFILE(Trans2_findnext);
7429                 break;
7430         }
7431
7432         case TRANSACT2_QFSINFO:
7433         {
7434                 START_PROFILE(Trans2_qfsinfo);
7435                 call_trans2qfsinfo(conn, req,
7436                                    &state->param, state->total_param,
7437                                    &state->data, state->total_data,
7438                                    state->max_data_return);
7439                 END_PROFILE(Trans2_qfsinfo);
7440             break;
7441         }
7442
7443         case TRANSACT2_SETFSINFO:
7444         {
7445                 START_PROFILE(Trans2_setfsinfo);
7446                 call_trans2setfsinfo(conn, req,
7447                                      &state->param, state->total_param,
7448                                      &state->data, state->total_data,
7449                                      state->max_data_return);
7450                 END_PROFILE(Trans2_setfsinfo);
7451                 break;
7452         }
7453
7454         case TRANSACT2_QPATHINFO:
7455         case TRANSACT2_QFILEINFO:
7456         {
7457                 START_PROFILE(Trans2_qpathinfo);
7458                 call_trans2qfilepathinfo(conn, req, state->call,
7459                                          &state->param, state->total_param,
7460                                          &state->data, state->total_data,
7461                                          state->max_data_return);
7462                 END_PROFILE(Trans2_qpathinfo);
7463                 break;
7464         }
7465
7466         case TRANSACT2_SETPATHINFO:
7467         case TRANSACT2_SETFILEINFO:
7468         {
7469                 START_PROFILE(Trans2_setpathinfo);
7470                 call_trans2setfilepathinfo(conn, req, state->call,
7471                                            &state->param, state->total_param,
7472                                            &state->data, state->total_data,
7473                                            state->max_data_return);
7474                 END_PROFILE(Trans2_setpathinfo);
7475                 break;
7476         }
7477
7478         case TRANSACT2_FINDNOTIFYFIRST:
7479         {
7480                 START_PROFILE(Trans2_findnotifyfirst);
7481                 call_trans2findnotifyfirst(conn, req,
7482                                            &state->param, state->total_param,
7483                                            &state->data, state->total_data,
7484                                            state->max_data_return);
7485                 END_PROFILE(Trans2_findnotifyfirst);
7486                 break;
7487         }
7488
7489         case TRANSACT2_FINDNOTIFYNEXT:
7490         {
7491                 START_PROFILE(Trans2_findnotifynext);
7492                 call_trans2findnotifynext(conn, req,
7493                                           &state->param, state->total_param,
7494                                           &state->data, state->total_data,
7495                                           state->max_data_return);
7496                 END_PROFILE(Trans2_findnotifynext);
7497                 break;
7498         }
7499
7500         case TRANSACT2_MKDIR:
7501         {
7502                 START_PROFILE(Trans2_mkdir);
7503                 call_trans2mkdir(conn, req,
7504                                  &state->param, state->total_param,
7505                                  &state->data, state->total_data,
7506                                  state->max_data_return);
7507                 END_PROFILE(Trans2_mkdir);
7508                 break;
7509         }
7510
7511         case TRANSACT2_GET_DFS_REFERRAL:
7512         {
7513                 START_PROFILE(Trans2_get_dfs_referral);
7514                 call_trans2getdfsreferral(conn, req,
7515                                           &state->param, state->total_param,
7516                                           &state->data, state->total_data,
7517                                           state->max_data_return);
7518                 END_PROFILE(Trans2_get_dfs_referral);
7519                 break;
7520         }
7521
7522         case TRANSACT2_IOCTL:
7523         {
7524                 START_PROFILE(Trans2_ioctl);
7525                 call_trans2ioctl(conn, req,
7526                                  &state->param, state->total_param,
7527                                  &state->data, state->total_data,
7528                                  state->max_data_return);
7529                 END_PROFILE(Trans2_ioctl);
7530                 break;
7531         }
7532
7533         default:
7534                 /* Error in request */
7535                 DEBUG(2,("Unknown request %d in trans2 call\n", state->call));
7536                 reply_doserror(req, ERRSRV,ERRerror);
7537         }
7538 }
7539
7540 /****************************************************************************
7541  Reply to a SMBtrans2.
7542  ****************************************************************************/
7543
7544 void reply_trans2(struct smb_request *req)
7545 {
7546         connection_struct *conn = req->conn;
7547         unsigned int dsoff;
7548         unsigned int dscnt;
7549         unsigned int psoff;
7550         unsigned int pscnt;
7551         unsigned int tran_call;
7552         struct trans_state *state;
7553         NTSTATUS result;
7554
7555         START_PROFILE(SMBtrans2);
7556
7557         if (req->wct < 14) {
7558                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7559                 END_PROFILE(SMBtrans2);
7560                 return;
7561         }
7562
7563         dsoff = SVAL(req->vwv+12, 0);
7564         dscnt = SVAL(req->vwv+11, 0);
7565         psoff = SVAL(req->vwv+10, 0);
7566         pscnt = SVAL(req->vwv+9, 0);
7567         tran_call = SVAL(req->vwv+14, 0);
7568
7569         result = allow_new_trans(conn->pending_trans, req->mid);
7570         if (!NT_STATUS_IS_OK(result)) {
7571                 DEBUG(2, ("Got invalid trans2 request: %s\n",
7572                           nt_errstr(result)));
7573                 reply_nterror(req, result);
7574                 END_PROFILE(SMBtrans2);
7575                 return;
7576         }
7577
7578         if (IS_IPC(conn)) {
7579                 switch (tran_call) {
7580                 /* List the allowed trans2 calls on IPC$ */
7581                 case TRANSACT2_OPEN:
7582                 case TRANSACT2_GET_DFS_REFERRAL:
7583                 case TRANSACT2_QFILEINFO:
7584                 case TRANSACT2_QFSINFO:
7585                 case TRANSACT2_SETFSINFO:
7586                         break;
7587                 default:
7588                         reply_doserror(req, ERRSRV, ERRaccess);
7589                         END_PROFILE(SMBtrans2);
7590                         return;
7591                 }
7592         }
7593
7594         if ((state = TALLOC_P(conn, struct trans_state)) == NULL) {
7595                 DEBUG(0, ("talloc failed\n"));
7596                 reply_nterror(req, NT_STATUS_NO_MEMORY);
7597                 END_PROFILE(SMBtrans2);
7598                 return;
7599         }
7600
7601         state->cmd = SMBtrans2;
7602
7603         state->mid = req->mid;
7604         state->vuid = req->vuid;
7605         state->setup_count = SVAL(req->vwv+13, 0);
7606         state->setup = NULL;
7607         state->total_param = SVAL(req->vwv+0, 0);
7608         state->param = NULL;
7609         state->total_data =  SVAL(req->vwv+1, 0);
7610         state->data = NULL;
7611         state->max_param_return = SVAL(req->vwv+2, 0);
7612         state->max_data_return  = SVAL(req->vwv+3, 0);
7613         state->max_setup_return = SVAL(req->vwv+4, 0);
7614         state->close_on_completion = BITSETW(req->vwv+5, 0);
7615         state->one_way = BITSETW(req->vwv+5, 1);
7616
7617         state->call = tran_call;
7618
7619         /* All trans2 messages we handle have smb_sucnt == 1 - ensure this
7620            is so as a sanity check */
7621         if (state->setup_count != 1) {
7622                 /*
7623                  * Need to have rc=0 for ioctl to get job id for OS/2.
7624                  *  Network printing will fail if function is not successful.
7625                  *  Similar function in reply.c will be used if protocol
7626                  *  is LANMAN1.0 instead of LM1.2X002.
7627                  *  Until DosPrintSetJobInfo with PRJINFO3 is supported,
7628                  *  outbuf doesn't have to be set(only job id is used).
7629                  */
7630                 if ( (state->setup_count == 4)
7631                      && (tran_call == TRANSACT2_IOCTL)
7632                      && (SVAL(req->vwv+16, 0) == LMCAT_SPL)
7633                      && (SVAL(req->vwv+17, 0) == LMFUNC_GETJOBID)) {
7634                         DEBUG(2,("Got Trans2 DevIOctl jobid\n"));
7635                 } else {
7636                         DEBUG(2,("Invalid smb_sucnt in trans2 call(%u)\n",state->setup_count));
7637                         DEBUG(2,("Transaction is %d\n",tran_call));
7638                         TALLOC_FREE(state);
7639                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7640                         END_PROFILE(SMBtrans2);
7641                         return;
7642                 }
7643         }
7644
7645         if ((dscnt > state->total_data) || (pscnt > state->total_param))
7646                 goto bad_param;
7647
7648         if (state->total_data) {
7649
7650                 if (trans_oob(state->total_data, 0, dscnt)
7651                     || trans_oob(smb_len(req->inbuf), dsoff, dscnt)) {
7652                         goto bad_param;
7653                 }
7654
7655                 /* Can't use talloc here, the core routines do realloc on the
7656                  * params and data. */
7657                 state->data = (char *)SMB_MALLOC(state->total_data);
7658                 if (state->data == NULL) {
7659                         DEBUG(0,("reply_trans2: data malloc fail for %u "
7660                                  "bytes !\n", (unsigned int)state->total_data));
7661                         TALLOC_FREE(state);
7662                         reply_nterror(req, NT_STATUS_NO_MEMORY);
7663                         END_PROFILE(SMBtrans2);
7664                         return;
7665                 }
7666
7667                 memcpy(state->data,smb_base(req->inbuf)+dsoff,dscnt);
7668         }
7669
7670         if (state->total_param) {
7671
7672                 if (trans_oob(state->total_param, 0, pscnt)
7673                     || trans_oob(smb_len(req->inbuf), psoff, pscnt)) {
7674                         goto bad_param;
7675                 }
7676
7677                 /* Can't use talloc here, the core routines do realloc on the
7678                  * params and data. */
7679                 state->param = (char *)SMB_MALLOC(state->total_param);
7680                 if (state->param == NULL) {
7681                         DEBUG(0,("reply_trans: param malloc fail for %u "
7682                                  "bytes !\n", (unsigned int)state->total_param));
7683                         SAFE_FREE(state->data);
7684                         TALLOC_FREE(state);
7685                         reply_nterror(req, NT_STATUS_NO_MEMORY);
7686                         END_PROFILE(SMBtrans2);
7687                         return;
7688                 }
7689
7690                 memcpy(state->param,smb_base(req->inbuf)+psoff,pscnt);
7691         }
7692
7693         state->received_data  = dscnt;
7694         state->received_param = pscnt;
7695
7696         if ((state->received_param == state->total_param) &&
7697             (state->received_data == state->total_data)) {
7698
7699                 handle_trans2(conn, req, state);
7700
7701                 SAFE_FREE(state->data);
7702                 SAFE_FREE(state->param);
7703                 TALLOC_FREE(state);
7704                 END_PROFILE(SMBtrans2);
7705                 return;
7706         }
7707
7708         DLIST_ADD(conn->pending_trans, state);
7709
7710         /* We need to send an interim response then receive the rest
7711            of the parameter/data bytes */
7712         reply_outbuf(req, 0, 0);
7713         show_msg((char *)req->outbuf);
7714         END_PROFILE(SMBtrans2);
7715         return;
7716
7717   bad_param:
7718
7719         DEBUG(0,("reply_trans2: invalid trans parameters\n"));
7720         SAFE_FREE(state->data);
7721         SAFE_FREE(state->param);
7722         TALLOC_FREE(state);
7723         END_PROFILE(SMBtrans2);
7724         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7725 }
7726
7727
7728 /****************************************************************************
7729  Reply to a SMBtranss2
7730  ****************************************************************************/
7731
7732 void reply_transs2(struct smb_request *req)
7733 {
7734         connection_struct *conn = req->conn;
7735         unsigned int pcnt,poff,dcnt,doff,pdisp,ddisp;
7736         struct trans_state *state;
7737
7738         START_PROFILE(SMBtranss2);
7739
7740         show_msg((char *)req->inbuf);
7741
7742         if (req->wct < 8) {
7743                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7744                 END_PROFILE(SMBtranss2);
7745                 return;
7746         }
7747
7748         for (state = conn->pending_trans; state != NULL;
7749              state = state->next) {
7750                 if (state->mid == req->mid) {
7751                         break;
7752                 }
7753         }
7754
7755         if ((state == NULL) || (state->cmd != SMBtrans2)) {
7756                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7757                 END_PROFILE(SMBtranss2);
7758                 return;
7759         }
7760
7761         /* Revise state->total_param and state->total_data in case they have
7762            changed downwards */
7763
7764         if (SVAL(req->vwv+0, 0) < state->total_param)
7765                 state->total_param = SVAL(req->vwv+0, 0);
7766         if (SVAL(req->vwv+1, 0) < state->total_data)
7767                 state->total_data = SVAL(req->vwv+1, 0);
7768
7769         pcnt = SVAL(req->vwv+2, 0);
7770         poff = SVAL(req->vwv+3, 0);
7771         pdisp = SVAL(req->vwv+4, 0);
7772
7773         dcnt = SVAL(req->vwv+5, 0);
7774         doff = SVAL(req->vwv+6, 0);
7775         ddisp = SVAL(req->vwv+7, 0);
7776
7777         state->received_param += pcnt;
7778         state->received_data += dcnt;
7779
7780         if ((state->received_data > state->total_data) ||
7781             (state->received_param > state->total_param))
7782                 goto bad_param;
7783
7784         if (pcnt) {
7785                 if (trans_oob(state->total_param, pdisp, pcnt)
7786                     || trans_oob(smb_len(req->inbuf), poff, pcnt)) {
7787                         goto bad_param;
7788                 }
7789                 memcpy(state->param+pdisp,smb_base(req->inbuf)+poff,pcnt);
7790         }
7791
7792         if (dcnt) {
7793                 if (trans_oob(state->total_data, ddisp, dcnt)
7794                     || trans_oob(smb_len(req->inbuf), doff, dcnt)) {
7795                         goto bad_param;
7796                 }
7797                 memcpy(state->data+ddisp, smb_base(req->inbuf)+doff,dcnt);
7798         }
7799
7800         if ((state->received_param < state->total_param) ||
7801             (state->received_data < state->total_data)) {
7802                 END_PROFILE(SMBtranss2);
7803                 return;
7804         }
7805
7806         handle_trans2(conn, req, state);
7807
7808         DLIST_REMOVE(conn->pending_trans, state);
7809         SAFE_FREE(state->data);
7810         SAFE_FREE(state->param);
7811         TALLOC_FREE(state);
7812
7813         END_PROFILE(SMBtranss2);
7814         return;
7815
7816   bad_param:
7817
7818         DEBUG(0,("reply_transs2: invalid trans parameters\n"));
7819         DLIST_REMOVE(conn->pending_trans, state);
7820         SAFE_FREE(state->data);
7821         SAFE_FREE(state->param);
7822         TALLOC_FREE(state);
7823         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7824         END_PROFILE(SMBtranss2);
7825         return;
7826 }