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 ((conn->fs_capabilities & FILE_NAMED_STREAMS)
4003                     && is_ntfs_stream_name(fname)) {
4004                         char *base;
4005                         SMB_STRUCT_STAT bsbuf;
4006
4007                         status = split_ntfs_stream_name(talloc_tos(), fname,
4008                                                         &base, NULL);
4009                         if (!NT_STATUS_IS_OK(status)) {
4010                                 DEBUG(10, ("create_file_unixpath: "
4011                                         "split_ntfs_stream_name failed: %s\n",
4012                                         nt_errstr(status)));
4013                                 reply_nterror(req, status);
4014                                 return;
4015                         }
4016
4017                         SMB_ASSERT(!is_ntfs_stream_name(base)); /* paranoia.. */
4018
4019                         if (INFO_LEVEL_IS_UNIX(info_level)) {
4020                                 /* Always do lstat for UNIX calls. */
4021                                 if (SMB_VFS_LSTAT(conn,base,&bsbuf)) {
4022                                         DEBUG(3,("call_trans2qfilepathinfo: SMB_VFS_LSTAT of %s failed (%s)\n",base,strerror(errno)));
4023                                         reply_unixerror(req,ERRDOS,ERRbadpath);
4024                                         return;
4025                                 }
4026                         } else {
4027                                 if (SMB_VFS_STAT(conn,base,&bsbuf) != 0) {
4028                                         DEBUG(3,("call_trans2qfilepathinfo: fileinfo of %s failed (%s)\n",base,strerror(errno)));
4029                                         reply_unixerror(req,ERRDOS,ERRbadpath);
4030                                         return;
4031                                 }
4032                         }
4033
4034                         fileid = vfs_file_id_from_sbuf(conn, &bsbuf);
4035                         get_file_infos(fileid, &delete_pending, NULL);
4036                         if (delete_pending) {
4037                                 reply_nterror(req, NT_STATUS_DELETE_PENDING);
4038                                 return;
4039                         }
4040                 }
4041
4042                 if (INFO_LEVEL_IS_UNIX(info_level)) {
4043                         /* Always do lstat for UNIX calls. */
4044                         if (SMB_VFS_LSTAT(conn,fname,&sbuf)) {
4045                                 DEBUG(3,("call_trans2qfilepathinfo: SMB_VFS_LSTAT of %s failed (%s)\n",fname,strerror(errno)));
4046                                 reply_unixerror(req, ERRDOS, ERRbadpath);
4047                                 return;
4048                         }
4049
4050                 } else if (!VALID_STAT(sbuf) && SMB_VFS_STAT(conn,fname,&sbuf) && (info_level != SMB_INFO_IS_NAME_VALID)) {
4051                         ms_dfs_link = check_msdfs_link(conn,fname,&sbuf);
4052
4053                         if (!ms_dfs_link) {
4054                                 DEBUG(3,("call_trans2qfilepathinfo: SMB_VFS_STAT of %s failed (%s)\n",fname,strerror(errno)));
4055                                 reply_unixerror(req, ERRDOS, ERRbadpath);
4056                                 return;
4057                         }
4058                 }
4059
4060                 fileid = vfs_file_id_from_sbuf(conn, &sbuf);
4061                 get_file_infos(fileid, &delete_pending, &write_time_ts);
4062                 if (delete_pending) {
4063                         reply_nterror(req, NT_STATUS_DELETE_PENDING);
4064                         return;
4065                 }
4066         }
4067
4068         if (INFO_LEVEL_IS_UNIX(info_level) && !lp_unix_extensions()) {
4069                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
4070                 return;
4071         }
4072
4073         DEBUG(3,("call_trans2qfilepathinfo %s (fnum = %d) level=%d call=%d total_data=%d\n",
4074                 fname,fsp ? fsp->fnum : -1, info_level,tran_call,total_data));
4075
4076         p = strrchr_m(fname,'/');
4077         if (!p)
4078                 base_name = fname;
4079         else
4080                 base_name = p+1;
4081
4082         if (ms_dfs_link) {
4083                 mode = dos_mode_msdfs(conn,fname,&sbuf);
4084         } else {
4085                 mode = dos_mode(conn,fname,&sbuf);
4086         }
4087         if (!mode)
4088                 mode = FILE_ATTRIBUTE_NORMAL;
4089
4090         nlink = sbuf.st_nlink;
4091
4092         if (nlink && (mode&aDIR)) {
4093                 nlink = 1;
4094         }
4095
4096         if ((nlink > 0) && delete_pending) {
4097                 nlink -= 1;
4098         }
4099
4100         fullpathname = fname;
4101         if (!(mode & aDIR))
4102                 file_size = get_file_size(sbuf);
4103
4104         /* Pull out any data sent here before we realloc. */
4105         switch (info_level) {
4106                 case SMB_INFO_QUERY_EAS_FROM_LIST:
4107                 {
4108                         /* Pull any EA list from the data portion. */
4109                         uint32 ea_size;
4110
4111                         if (total_data < 4) {
4112                                 reply_nterror(
4113                                         req, NT_STATUS_INVALID_PARAMETER);
4114                                 return;
4115                         }
4116                         ea_size = IVAL(pdata,0);
4117
4118                         if (total_data > 0 && ea_size != total_data) {
4119                                 DEBUG(4,("call_trans2qfilepathinfo: Rejecting EA request with incorrect \
4120 total_data=%u (should be %u)\n", (unsigned int)total_data, (unsigned int)IVAL(pdata,0) ));
4121                                 reply_nterror(
4122                                         req, NT_STATUS_INVALID_PARAMETER);
4123                                 return;
4124                         }
4125
4126                         if (!lp_ea_support(SNUM(conn))) {
4127                                 reply_doserror(req, ERRDOS,
4128                                                ERReasnotsupported);
4129                                 return;
4130                         }
4131
4132                         /* Pull out the list of names. */
4133                         ea_list = read_ea_name_list(ctx, pdata + 4, ea_size - 4);
4134                         if (!ea_list) {
4135                                 reply_nterror(
4136                                         req, NT_STATUS_INVALID_PARAMETER);
4137                                 return;
4138                         }
4139                         break;
4140                 }
4141
4142                 case SMB_QUERY_POSIX_LOCK:
4143                 {
4144                         if (fsp == NULL || fsp->fh->fd == -1) {
4145                                 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
4146                                 return;
4147                         }
4148
4149                         if (total_data != POSIX_LOCK_DATA_SIZE) {
4150                                 reply_nterror(
4151                                         req, NT_STATUS_INVALID_PARAMETER);
4152                                 return;
4153                         }
4154
4155                         /* Copy the lock range data. */
4156                         lock_data = (char *)TALLOC_MEMDUP(
4157                                 ctx, pdata, total_data);
4158                         if (!lock_data) {
4159                                 reply_nterror(req, NT_STATUS_NO_MEMORY);
4160                                 return;
4161                         }
4162                 }
4163                 default:
4164                         break;
4165         }
4166
4167         *pparams = (char *)SMB_REALLOC(*pparams,2);
4168         if (*pparams == NULL) {
4169                 reply_nterror(req, NT_STATUS_NO_MEMORY);
4170                 return;
4171         }
4172         params = *pparams;
4173         SSVAL(params,0,0);
4174         data_size = max_data_bytes + DIR_ENTRY_SAFETY_MARGIN;
4175         *ppdata = (char *)SMB_REALLOC(*ppdata, data_size);
4176         if (*ppdata == NULL ) {
4177                 reply_nterror(req, NT_STATUS_NO_MEMORY);
4178                 return;
4179         }
4180         pdata = *ppdata;
4181         dstart = pdata;
4182         dend = dstart + data_size - 1;
4183
4184         create_time_ts = get_create_timespec(&sbuf,lp_fake_dir_create_times(SNUM(conn)));
4185         mtime_ts = get_mtimespec(&sbuf);
4186         atime_ts = get_atimespec(&sbuf);
4187
4188         allocation_size = get_allocation_size(conn,fsp,&sbuf);
4189
4190         if (!fsp) {
4191                 /* Do we have this path open ? */
4192                 files_struct *fsp1;
4193                 fileid = vfs_file_id_from_sbuf(conn, &sbuf);
4194                 fsp1 = file_find_di_first(fileid);
4195                 if (fsp1 && fsp1->initial_allocation_size) {
4196                         allocation_size = get_allocation_size(conn, fsp1, &sbuf);
4197                 }
4198         }
4199
4200         if (!null_timespec(write_time_ts) && !INFO_LEVEL_IS_UNIX(info_level)) {
4201                 mtime_ts = write_time_ts;
4202         }
4203
4204         if (lp_dos_filetime_resolution(SNUM(conn))) {
4205                 dos_filetime_timespec(&create_time_ts);
4206                 dos_filetime_timespec(&mtime_ts);
4207                 dos_filetime_timespec(&atime_ts);
4208         }
4209
4210         create_time = convert_timespec_to_time_t(create_time_ts);
4211         mtime = convert_timespec_to_time_t(mtime_ts);
4212         atime = convert_timespec_to_time_t(atime_ts);
4213
4214         /* NT expects the name to be in an exact form of the *full*
4215            filename. See the trans2 torture test */
4216         if (ISDOT(base_name)) {
4217                 dos_fname = talloc_strdup(ctx, "\\");
4218                 if (!dos_fname) {
4219                         reply_nterror(req, NT_STATUS_NO_MEMORY);
4220                         return;
4221                 }
4222         } else {
4223                 dos_fname = talloc_asprintf(ctx,
4224                                 "\\%s",
4225                                 fname);
4226                 if (!dos_fname) {
4227                         reply_nterror(req, NT_STATUS_NO_MEMORY);
4228                         return;
4229                 }
4230                 string_replace(dos_fname, '/', '\\');
4231         }
4232
4233         switch (info_level) {
4234                 case SMB_INFO_STANDARD:
4235                         DEBUG(10,("call_trans2qfilepathinfo: SMB_INFO_STANDARD\n"));
4236                         data_size = 22;
4237                         srv_put_dos_date2(pdata,l1_fdateCreation,create_time);
4238                         srv_put_dos_date2(pdata,l1_fdateLastAccess,atime);
4239                         srv_put_dos_date2(pdata,l1_fdateLastWrite,mtime); /* write time */
4240                         SIVAL(pdata,l1_cbFile,(uint32)file_size);
4241                         SIVAL(pdata,l1_cbFileAlloc,(uint32)allocation_size);
4242                         SSVAL(pdata,l1_attrFile,mode);
4243                         break;
4244
4245                 case SMB_INFO_QUERY_EA_SIZE:
4246                 {
4247                         unsigned int ea_size = estimate_ea_size(conn, fsp, fname);
4248                         DEBUG(10,("call_trans2qfilepathinfo: SMB_INFO_QUERY_EA_SIZE\n"));
4249                         data_size = 26;
4250                         srv_put_dos_date2(pdata,0,create_time);
4251                         srv_put_dos_date2(pdata,4,atime);
4252                         srv_put_dos_date2(pdata,8,mtime); /* write time */
4253                         SIVAL(pdata,12,(uint32)file_size);
4254                         SIVAL(pdata,16,(uint32)allocation_size);
4255                         SSVAL(pdata,20,mode);
4256                         SIVAL(pdata,22,ea_size);
4257                         break;
4258                 }
4259
4260                 case SMB_INFO_IS_NAME_VALID:
4261                         DEBUG(10,("call_trans2qfilepathinfo: SMB_INFO_IS_NAME_VALID\n"));
4262                         if (tran_call == TRANSACT2_QFILEINFO) {
4263                                 /* os/2 needs this ? really ?*/
4264                                 reply_doserror(req, ERRDOS, ERRbadfunc);
4265                                 return;
4266                         }
4267                         data_size = 0;
4268                         param_size = 0;
4269                         break;
4270
4271                 case SMB_INFO_QUERY_EAS_FROM_LIST:
4272                 {
4273                         size_t total_ea_len = 0;
4274                         struct ea_list *ea_file_list = NULL;
4275
4276                         DEBUG(10,("call_trans2qfilepathinfo: SMB_INFO_QUERY_EAS_FROM_LIST\n"));
4277
4278                         ea_file_list = get_ea_list_from_file(ctx, conn, fsp, fname, &total_ea_len);
4279                         ea_list = ea_list_union(ea_list, ea_file_list, &total_ea_len);
4280
4281                         if (!ea_list || (total_ea_len > data_size)) {
4282                                 data_size = 4;
4283                                 SIVAL(pdata,0,4);   /* EA List Length must be set to 4 if no EA's. */
4284                                 break;
4285                         }
4286
4287                         data_size = fill_ea_buffer(ctx, pdata, data_size, conn, ea_list);
4288                         break;
4289                 }
4290
4291                 case SMB_INFO_QUERY_ALL_EAS:
4292                 {
4293                         /* We have data_size bytes to put EA's into. */
4294                         size_t total_ea_len = 0;
4295
4296                         DEBUG(10,("call_trans2qfilepathinfo: SMB_INFO_QUERY_ALL_EAS\n"));
4297
4298                         ea_list = get_ea_list_from_file(ctx, conn, fsp, fname, &total_ea_len);
4299                         if (!ea_list || (total_ea_len > data_size)) {
4300                                 data_size = 4;
4301                                 SIVAL(pdata,0,4);   /* EA List Length must be set to 4 if no EA's. */
4302                                 break;
4303                         }
4304
4305                         data_size = fill_ea_buffer(ctx, pdata, data_size, conn, ea_list);
4306                         break;
4307                 }
4308
4309                 case SMB_FILE_BASIC_INFORMATION:
4310                 case SMB_QUERY_FILE_BASIC_INFO:
4311
4312                         if (info_level == SMB_QUERY_FILE_BASIC_INFO) {
4313                                 DEBUG(10,("call_trans2qfilepathinfo: SMB_QUERY_FILE_BASIC_INFO\n"));
4314                                 data_size = 36; /* w95 returns 40 bytes not 36 - why ?. */
4315                         } else {
4316                                 DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_BASIC_INFORMATION\n"));
4317                                 data_size = 40;
4318                                 SIVAL(pdata,36,0);
4319                         }
4320                         put_long_date_timespec(pdata,create_time_ts);
4321                         put_long_date_timespec(pdata+8,atime_ts);
4322                         put_long_date_timespec(pdata+16,mtime_ts); /* write time */
4323                         put_long_date_timespec(pdata+24,mtime_ts); /* change time */
4324                         SIVAL(pdata,32,mode);
4325
4326                         DEBUG(5,("SMB_QFBI - "));
4327                         DEBUG(5,("create: %s ", ctime(&create_time)));
4328                         DEBUG(5,("access: %s ", ctime(&atime)));
4329                         DEBUG(5,("write: %s ", ctime(&mtime)));
4330                         DEBUG(5,("change: %s ", ctime(&mtime)));
4331                         DEBUG(5,("mode: %x\n", mode));
4332                         break;
4333
4334                 case SMB_FILE_STANDARD_INFORMATION:
4335                 case SMB_QUERY_FILE_STANDARD_INFO:
4336
4337                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_STANDARD_INFORMATION\n"));
4338                         data_size = 24;
4339                         SOFF_T(pdata,0,allocation_size);
4340                         SOFF_T(pdata,8,file_size);
4341                         SIVAL(pdata,16,nlink);
4342                         SCVAL(pdata,20,delete_pending?1:0);
4343                         SCVAL(pdata,21,(mode&aDIR)?1:0);
4344                         SSVAL(pdata,22,0); /* Padding. */
4345                         break;
4346
4347                 case SMB_FILE_EA_INFORMATION:
4348                 case SMB_QUERY_FILE_EA_INFO:
4349                 {
4350                         unsigned int ea_size = estimate_ea_size(conn, fsp, fname);
4351                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_EA_INFORMATION\n"));
4352                         data_size = 4;
4353                         SIVAL(pdata,0,ea_size);
4354                         break;
4355                 }
4356
4357                 /* Get the 8.3 name - used if NT SMB was negotiated. */
4358                 case SMB_QUERY_FILE_ALT_NAME_INFO:
4359                 case SMB_FILE_ALTERNATE_NAME_INFORMATION:
4360                 {
4361                         char mangled_name[13];
4362                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_ALTERNATE_NAME_INFORMATION\n"));
4363                         if (!name_to_8_3(base_name,mangled_name,
4364                                                 True,conn->params)) {
4365                                 reply_nterror(
4366                                         req,
4367                                         NT_STATUS_NO_MEMORY);
4368                         }
4369                         len = srvstr_push(dstart, req->flags2,
4370                                           pdata+4, mangled_name,
4371                                           PTR_DIFF(dend, pdata+4),
4372                                           STR_UNICODE);
4373                         data_size = 4 + len;
4374                         SIVAL(pdata,0,len);
4375                         break;
4376                 }
4377
4378                 case SMB_QUERY_FILE_NAME_INFO:
4379                         /*
4380                           this must be *exactly* right for ACLs on mapped drives to work
4381                          */
4382                         len = srvstr_push(dstart, req->flags2,
4383                                           pdata+4, dos_fname,
4384                                           PTR_DIFF(dend, pdata+4),
4385                                           STR_UNICODE);
4386                         DEBUG(10,("call_trans2qfilepathinfo: SMB_QUERY_FILE_NAME_INFO\n"));
4387                         data_size = 4 + len;
4388                         SIVAL(pdata,0,len);
4389                         break;
4390
4391                 case SMB_FILE_ALLOCATION_INFORMATION:
4392                 case SMB_QUERY_FILE_ALLOCATION_INFO:
4393                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_ALLOCATION_INFORMATION\n"));
4394                         data_size = 8;
4395                         SOFF_T(pdata,0,allocation_size);
4396                         break;
4397
4398                 case SMB_FILE_END_OF_FILE_INFORMATION:
4399                 case SMB_QUERY_FILE_END_OF_FILEINFO:
4400                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_END_OF_FILE_INFORMATION\n"));
4401                         data_size = 8;
4402                         SOFF_T(pdata,0,file_size);
4403                         break;
4404
4405                 case SMB_QUERY_FILE_ALL_INFO:
4406                 case SMB_FILE_ALL_INFORMATION:
4407                 {
4408                         unsigned int ea_size = estimate_ea_size(conn, fsp, fname);
4409                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_ALL_INFORMATION\n"));
4410                         put_long_date_timespec(pdata,create_time_ts);
4411                         put_long_date_timespec(pdata+8,atime_ts);
4412                         put_long_date_timespec(pdata+16,mtime_ts); /* write time */
4413                         put_long_date_timespec(pdata+24,mtime_ts); /* change time */
4414                         SIVAL(pdata,32,mode);
4415                         SIVAL(pdata,36,0); /* padding. */
4416                         pdata += 40;
4417                         SOFF_T(pdata,0,allocation_size);
4418                         SOFF_T(pdata,8,file_size);
4419                         SIVAL(pdata,16,nlink);
4420                         SCVAL(pdata,20,delete_pending);
4421                         SCVAL(pdata,21,(mode&aDIR)?1:0);
4422                         SSVAL(pdata,22,0);
4423                         pdata += 24;
4424                         SIVAL(pdata,0,ea_size);
4425                         pdata += 4; /* EA info */
4426                         len = srvstr_push(dstart, req->flags2,
4427                                           pdata+4, dos_fname,
4428                                           PTR_DIFF(dend, pdata+4),
4429                                           STR_UNICODE);
4430                         SIVAL(pdata,0,len);
4431                         pdata += 4 + len;
4432                         data_size = PTR_DIFF(pdata,(*ppdata));
4433                         break;
4434                 }
4435                 case SMB_FILE_INTERNAL_INFORMATION:
4436                         /* This should be an index number - looks like
4437                            dev/ino to me :-)
4438
4439                            I think this causes us to fail the IFSKIT
4440                            BasicFileInformationTest. -tpot */
4441
4442                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_INTERNAL_INFORMATION\n"));
4443                         SIVAL(pdata,0,sbuf.st_ino); /* FileIndexLow */
4444                         SIVAL(pdata,4,sbuf.st_dev); /* FileIndexHigh */
4445                         data_size = 8;
4446                         break;
4447
4448                 case SMB_FILE_ACCESS_INFORMATION:
4449                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_ACCESS_INFORMATION\n"));
4450                         if (fsp) {
4451                                 SIVAL(pdata,0,fsp->access_mask);
4452                         } else {
4453                                 /* GENERIC_EXECUTE mapping from Windows */
4454                                 SIVAL(pdata,0,0x12019F);
4455                         }
4456                         data_size = 4;
4457                         break;
4458
4459                 case SMB_FILE_NAME_INFORMATION:
4460                         /* Pathname with leading '\'. */
4461                         {
4462                                 size_t byte_len;
4463                                 byte_len = dos_PutUniCode(pdata+4,dos_fname,(size_t)max_data_bytes,False);
4464                                 DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_NAME_INFORMATION\n"));
4465                                 SIVAL(pdata,0,byte_len);
4466                                 data_size = 4 + byte_len;
4467                                 break;
4468                         }
4469
4470                 case SMB_FILE_DISPOSITION_INFORMATION:
4471                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_DISPOSITION_INFORMATION\n"));
4472                         data_size = 1;
4473                         SCVAL(pdata,0,delete_pending);
4474                         break;
4475
4476                 case SMB_FILE_POSITION_INFORMATION:
4477                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_POSITION_INFORMATION\n"));
4478                         data_size = 8;
4479                         SOFF_T(pdata,0,pos);
4480                         break;
4481
4482                 case SMB_FILE_MODE_INFORMATION:
4483                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_MODE_INFORMATION\n"));
4484                         SIVAL(pdata,0,mode);
4485                         data_size = 4;
4486                         break;
4487
4488                 case SMB_FILE_ALIGNMENT_INFORMATION:
4489                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_ALIGNMENT_INFORMATION\n"));
4490                         SIVAL(pdata,0,0); /* No alignment needed. */
4491                         data_size = 4;
4492                         break;
4493
4494                 /*
4495                  * NT4 server just returns "invalid query" to this - if we try
4496                  * to answer it then NTws gets a BSOD! (tridge).  W2K seems to
4497                  * want this. JRA.
4498                  */
4499                 /* The first statement above is false - verified using Thursby
4500                  * client against NT4 -- gcolley.
4501                  */
4502                 case SMB_QUERY_FILE_STREAM_INFO:
4503                 case SMB_FILE_STREAM_INFORMATION: {
4504                         unsigned int num_streams;
4505                         struct stream_struct *streams;
4506                         NTSTATUS status;
4507
4508                         DEBUG(10,("call_trans2qfilepathinfo: "
4509                                   "SMB_FILE_STREAM_INFORMATION\n"));
4510
4511                         status = SMB_VFS_STREAMINFO(
4512                                 conn, fsp, fname, talloc_tos(),
4513                                 &num_streams, &streams);
4514
4515                         if (!NT_STATUS_IS_OK(status)) {
4516                                 DEBUG(10, ("could not get stream info: %s\n",
4517                                            nt_errstr(status)));
4518                                 reply_nterror(req, status);
4519                                 return;
4520                         }
4521
4522                         status = marshall_stream_info(num_streams, streams,
4523                                                       pdata, max_data_bytes,
4524                                                       &data_size);
4525
4526                         if (!NT_STATUS_IS_OK(status)) {
4527                                 DEBUG(10, ("marshall_stream_info failed: %s\n",
4528                                            nt_errstr(status)));
4529                                 reply_nterror(req, status);
4530                                 return;
4531                         }
4532
4533                         TALLOC_FREE(streams);
4534
4535                         break;
4536                 }
4537                 case SMB_QUERY_COMPRESSION_INFO:
4538                 case SMB_FILE_COMPRESSION_INFORMATION:
4539                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_COMPRESSION_INFORMATION\n"));
4540                         SOFF_T(pdata,0,file_size);
4541                         SIVAL(pdata,8,0); /* ??? */
4542                         SIVAL(pdata,12,0); /* ??? */
4543                         data_size = 16;
4544                         break;
4545
4546                 case SMB_FILE_NETWORK_OPEN_INFORMATION:
4547                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_NETWORK_OPEN_INFORMATION\n"));
4548                         put_long_date_timespec(pdata,create_time_ts);
4549                         put_long_date_timespec(pdata+8,atime_ts);
4550                         put_long_date_timespec(pdata+16,mtime_ts); /* write time */
4551                         put_long_date_timespec(pdata+24,mtime_ts); /* change time */
4552                         SOFF_T(pdata,32,allocation_size);
4553                         SOFF_T(pdata,40,file_size);
4554                         SIVAL(pdata,48,mode);
4555                         SIVAL(pdata,52,0); /* ??? */
4556                         data_size = 56;
4557                         break;
4558
4559                 case SMB_FILE_ATTRIBUTE_TAG_INFORMATION:
4560                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_ATTRIBUTE_TAG_INFORMATION\n"));
4561                         SIVAL(pdata,0,mode);
4562                         SIVAL(pdata,4,0);
4563                         data_size = 8;
4564                         break;
4565
4566                 /*
4567                  * CIFS UNIX Extensions.
4568                  */
4569
4570                 case SMB_QUERY_FILE_UNIX_BASIC:
4571
4572                         pdata = store_file_unix_basic(conn, pdata, fsp, &sbuf);
4573                         data_size = PTR_DIFF(pdata,(*ppdata));
4574
4575                         {
4576                                 int i;
4577                                 DEBUG(4,("call_trans2qfilepathinfo: SMB_QUERY_FILE_UNIX_BASIC "));
4578
4579                                 for (i=0; i<100; i++)
4580                                         DEBUG(4,("%d=%x, ",i, (*ppdata)[i]));
4581                                 DEBUG(4,("\n"));
4582                         }
4583
4584                         break;
4585
4586                 case SMB_QUERY_FILE_UNIX_INFO2:
4587
4588                         pdata = store_file_unix_basic_info2(conn, pdata, fsp, &sbuf);
4589                         data_size = PTR_DIFF(pdata,(*ppdata));
4590
4591                         {
4592                                 int i;
4593                                 DEBUG(4,("call_trans2qfilepathinfo: SMB_QUERY_FILE_UNIX_INFO2 "));
4594
4595                                 for (i=0; i<100; i++)
4596                                         DEBUG(4,("%d=%x, ",i, (*ppdata)[i]));
4597                                 DEBUG(4,("\n"));
4598                         }
4599
4600                         break;
4601
4602                 case SMB_QUERY_FILE_UNIX_LINK:
4603                         {
4604                                 char *buffer = TALLOC_ARRAY(ctx, char, PATH_MAX+1);
4605
4606                                 if (!buffer) {
4607                                         reply_nterror(req, NT_STATUS_NO_MEMORY);
4608                                         return;
4609                                 }
4610
4611                                 DEBUG(10,("call_trans2qfilepathinfo: SMB_QUERY_FILE_UNIX_LINK\n"));
4612 #ifdef S_ISLNK
4613                                 if(!S_ISLNK(sbuf.st_mode)) {
4614                                         reply_unixerror(req, ERRSRV,
4615                                                         ERRbadlink);
4616                                         return;
4617                                 }
4618 #else
4619                                 reply_unixerror(req, ERRDOS, ERRbadlink);
4620                                 return;
4621 #endif
4622                                 len = SMB_VFS_READLINK(conn,fullpathname,
4623                                                 buffer, PATH_MAX);
4624                                 if (len == -1) {
4625                                         reply_unixerror(req, ERRDOS,
4626                                                         ERRnoaccess);
4627                                         return;
4628                                 }
4629                                 buffer[len] = 0;
4630                                 len = srvstr_push(dstart, req->flags2,
4631                                                   pdata, buffer,
4632                                                   PTR_DIFF(dend, pdata),
4633                                                   STR_TERMINATE);
4634                                 pdata += len;
4635                                 data_size = PTR_DIFF(pdata,(*ppdata));
4636
4637                                 break;
4638                         }
4639
4640 #if defined(HAVE_POSIX_ACLS)
4641                 case SMB_QUERY_POSIX_ACL:
4642                         {
4643                                 SMB_ACL_T file_acl = NULL;
4644                                 SMB_ACL_T def_acl = NULL;
4645                                 uint16 num_file_acls = 0;
4646                                 uint16 num_def_acls = 0;
4647
4648                                 if (fsp && !fsp->is_directory && (fsp->fh->fd != -1)) {
4649                                         file_acl = SMB_VFS_SYS_ACL_GET_FD(fsp);
4650                                 } else {
4651                                         file_acl = SMB_VFS_SYS_ACL_GET_FILE(conn, fname, SMB_ACL_TYPE_ACCESS);
4652                                 }
4653
4654                                 if (file_acl == NULL && no_acl_syscall_error(errno)) {
4655                                         DEBUG(5,("call_trans2qfilepathinfo: ACLs not implemented on filesystem containing %s\n",
4656                                                 fname ));
4657                                         reply_nterror(
4658                                                 req,
4659                                                 NT_STATUS_NOT_IMPLEMENTED);
4660                                         return;
4661                                 }
4662
4663                                 if (S_ISDIR(sbuf.st_mode)) {
4664                                         if (fsp && fsp->is_directory) {
4665                                                 def_acl = SMB_VFS_SYS_ACL_GET_FILE(conn, fsp->fsp_name, SMB_ACL_TYPE_DEFAULT);
4666                                         } else {
4667                                                 def_acl = SMB_VFS_SYS_ACL_GET_FILE(conn, fname, SMB_ACL_TYPE_DEFAULT);
4668                                         }
4669                                         def_acl = free_empty_sys_acl(conn, def_acl);
4670                                 }
4671
4672                                 num_file_acls = count_acl_entries(conn, file_acl);
4673                                 num_def_acls = count_acl_entries(conn, def_acl);
4674
4675                                 if ( data_size < (num_file_acls + num_def_acls)*SMB_POSIX_ACL_ENTRY_SIZE + SMB_POSIX_ACL_HEADER_SIZE) {
4676                                         DEBUG(5,("call_trans2qfilepathinfo: data_size too small (%u) need %u\n",
4677                                                 data_size,
4678                                                 (unsigned int)((num_file_acls + num_def_acls)*SMB_POSIX_ACL_ENTRY_SIZE +
4679                                                         SMB_POSIX_ACL_HEADER_SIZE) ));
4680                                         if (file_acl) {
4681                                                 SMB_VFS_SYS_ACL_FREE_ACL(conn, file_acl);
4682                                         }
4683                                         if (def_acl) {
4684                                                 SMB_VFS_SYS_ACL_FREE_ACL(conn, def_acl);
4685                                         }
4686                                         reply_nterror(
4687                                                 req,
4688                                                 NT_STATUS_BUFFER_TOO_SMALL);
4689                                         return;
4690                                 }
4691
4692                                 SSVAL(pdata,0,SMB_POSIX_ACL_VERSION);
4693                                 SSVAL(pdata,2,num_file_acls);
4694                                 SSVAL(pdata,4,num_def_acls);
4695                                 if (!marshall_posix_acl(conn, pdata + SMB_POSIX_ACL_HEADER_SIZE, &sbuf, file_acl)) {
4696                                         if (file_acl) {
4697                                                 SMB_VFS_SYS_ACL_FREE_ACL(conn, file_acl);
4698                                         }
4699                                         if (def_acl) {
4700                                                 SMB_VFS_SYS_ACL_FREE_ACL(conn, def_acl);
4701                                         }
4702                                         reply_nterror(
4703                                                 req, NT_STATUS_INTERNAL_ERROR);
4704                                         return;
4705                                 }
4706                                 if (!marshall_posix_acl(conn, pdata + SMB_POSIX_ACL_HEADER_SIZE + (num_file_acls*SMB_POSIX_ACL_ENTRY_SIZE), &sbuf, def_acl)) {
4707                                         if (file_acl) {
4708                                                 SMB_VFS_SYS_ACL_FREE_ACL(conn, file_acl);
4709                                         }
4710                                         if (def_acl) {
4711                                                 SMB_VFS_SYS_ACL_FREE_ACL(conn, def_acl);
4712                                         }
4713                                         reply_nterror(
4714                                                 req,
4715                                                 NT_STATUS_INTERNAL_ERROR);
4716                                         return;
4717                                 }
4718
4719                                 if (file_acl) {
4720                                         SMB_VFS_SYS_ACL_FREE_ACL(conn, file_acl);
4721                                 }
4722                                 if (def_acl) {
4723                                         SMB_VFS_SYS_ACL_FREE_ACL(conn, def_acl);
4724                                 }
4725                                 data_size = (num_file_acls + num_def_acls)*SMB_POSIX_ACL_ENTRY_SIZE + SMB_POSIX_ACL_HEADER_SIZE;
4726                                 break;
4727                         }
4728 #endif
4729
4730
4731                 case SMB_QUERY_POSIX_LOCK:
4732                 {
4733                         NTSTATUS status = NT_STATUS_INVALID_LEVEL;
4734                         uint64_t count;
4735                         uint64_t offset;
4736                         uint32 lock_pid;
4737                         enum brl_type lock_type;
4738
4739                         if (total_data != POSIX_LOCK_DATA_SIZE) {
4740                                 reply_nterror(
4741                                         req, NT_STATUS_INVALID_PARAMETER);
4742                                 return;
4743                         }
4744
4745                         switch (SVAL(pdata, POSIX_LOCK_TYPE_OFFSET)) {
4746                                 case POSIX_LOCK_TYPE_READ:
4747                                         lock_type = READ_LOCK;
4748                                         break;
4749                                 case POSIX_LOCK_TYPE_WRITE:
4750                                         lock_type = WRITE_LOCK;
4751                                         break;
4752                                 case POSIX_LOCK_TYPE_UNLOCK:
4753                                 default:
4754                                         /* There's no point in asking for an unlock... */
4755                                         reply_nterror(
4756                                                 req,
4757                                                 NT_STATUS_INVALID_PARAMETER);
4758                                         return;
4759                         }
4760
4761                         lock_pid = IVAL(pdata, POSIX_LOCK_PID_OFFSET);
4762 #if defined(HAVE_LONGLONG)
4763                         offset = (((uint64_t) IVAL(pdata,(POSIX_LOCK_START_OFFSET+4))) << 32) |
4764                                         ((uint64_t) IVAL(pdata,POSIX_LOCK_START_OFFSET));
4765                         count = (((uint64_t) IVAL(pdata,(POSIX_LOCK_LEN_OFFSET+4))) << 32) |
4766                                         ((uint64_t) IVAL(pdata,POSIX_LOCK_LEN_OFFSET));
4767 #else /* HAVE_LONGLONG */
4768                         offset = (uint64_t)IVAL(pdata,POSIX_LOCK_START_OFFSET);
4769                         count = (uint64_t)IVAL(pdata,POSIX_LOCK_LEN_OFFSET);
4770 #endif /* HAVE_LONGLONG */
4771
4772                         status = query_lock(fsp,
4773                                         &lock_pid,
4774                                         &count,
4775                                         &offset,
4776                                         &lock_type,
4777                                         POSIX_LOCK);
4778
4779                         if (ERROR_WAS_LOCK_DENIED(status)) {
4780                                 /* Here we need to report who has it locked... */
4781                                 data_size = POSIX_LOCK_DATA_SIZE;
4782
4783                                 SSVAL(pdata, POSIX_LOCK_TYPE_OFFSET, lock_type);
4784                                 SSVAL(pdata, POSIX_LOCK_FLAGS_OFFSET, 0);
4785                                 SIVAL(pdata, POSIX_LOCK_PID_OFFSET, lock_pid);
4786 #if defined(HAVE_LONGLONG)
4787                                 SIVAL(pdata, POSIX_LOCK_START_OFFSET, (uint32)(offset & 0xFFFFFFFF));
4788                                 SIVAL(pdata, POSIX_LOCK_START_OFFSET + 4, (uint32)((offset >> 32) & 0xFFFFFFFF));
4789                                 SIVAL(pdata, POSIX_LOCK_LEN_OFFSET, (uint32)(count & 0xFFFFFFFF));
4790                                 SIVAL(pdata, POSIX_LOCK_LEN_OFFSET + 4, (uint32)((count >> 32) & 0xFFFFFFFF));
4791 #else /* HAVE_LONGLONG */
4792                                 SIVAL(pdata, POSIX_LOCK_START_OFFSET, offset);
4793                                 SIVAL(pdata, POSIX_LOCK_LEN_OFFSET, count);
4794 #endif /* HAVE_LONGLONG */
4795
4796                         } else if (NT_STATUS_IS_OK(status)) {
4797                                 /* For success we just return a copy of what we sent
4798                                    with the lock type set to POSIX_LOCK_TYPE_UNLOCK. */
4799                                 data_size = POSIX_LOCK_DATA_SIZE;
4800                                 memcpy(pdata, lock_data, POSIX_LOCK_DATA_SIZE);
4801                                 SSVAL(pdata, POSIX_LOCK_TYPE_OFFSET, POSIX_LOCK_TYPE_UNLOCK);
4802                         } else {
4803                                 reply_nterror(req, status);
4804                                 return;
4805                         }
4806                         break;
4807                 }
4808
4809                 default:
4810                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
4811                         return;
4812         }
4813
4814         send_trans2_replies(conn, req, params, param_size, *ppdata, data_size,
4815                             max_data_bytes);
4816
4817         return;
4818 }
4819
4820 /****************************************************************************
4821  Set a hard link (called by UNIX extensions and by NT rename with HARD link
4822  code.
4823 ****************************************************************************/
4824
4825 NTSTATUS hardlink_internals(TALLOC_CTX *ctx,
4826                 connection_struct *conn,
4827                 const char *oldname_in,
4828                 const char *newname_in)
4829 {
4830         SMB_STRUCT_STAT sbuf1, sbuf2;
4831         char *last_component_oldname = NULL;
4832         char *last_component_newname = NULL;
4833         char *oldname = NULL;
4834         char *newname = NULL;
4835         NTSTATUS status = NT_STATUS_OK;
4836
4837         ZERO_STRUCT(sbuf1);
4838         ZERO_STRUCT(sbuf2);
4839
4840         status = unix_convert(ctx, conn, oldname_in, False, &oldname,
4841                         &last_component_oldname, &sbuf1);
4842         if (!NT_STATUS_IS_OK(status)) {
4843                 return status;
4844         }
4845
4846         status = check_name(conn, oldname);
4847         if (!NT_STATUS_IS_OK(status)) {
4848                 return status;
4849         }
4850
4851         /* source must already exist. */
4852         if (!VALID_STAT(sbuf1)) {
4853                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
4854         }
4855
4856         status = unix_convert(ctx, conn, newname_in, False, &newname,
4857                         &last_component_newname, &sbuf2);
4858         if (!NT_STATUS_IS_OK(status)) {
4859                 return status;
4860         }
4861
4862         status = check_name(conn, newname);
4863         if (!NT_STATUS_IS_OK(status)) {
4864                 return status;
4865         }
4866
4867         /* Disallow if newname already exists. */
4868         if (VALID_STAT(sbuf2)) {
4869                 return NT_STATUS_OBJECT_NAME_COLLISION;
4870         }
4871
4872         /* No links from a directory. */
4873         if (S_ISDIR(sbuf1.st_mode)) {
4874                 return NT_STATUS_FILE_IS_A_DIRECTORY;
4875         }
4876
4877         /* Ensure this is within the share. */
4878         status = check_reduced_name(conn, oldname);
4879         if (!NT_STATUS_IS_OK(status)) {
4880                 return status;
4881         }
4882
4883         DEBUG(10,("hardlink_internals: doing hard link %s -> %s\n", newname, oldname ));
4884
4885         if (SMB_VFS_LINK(conn,oldname,newname) != 0) {
4886                 status = map_nt_error_from_unix(errno);
4887                 DEBUG(3,("hardlink_internals: Error %s hard link %s -> %s\n",
4888                                 nt_errstr(status), newname, oldname));
4889         }
4890
4891         return status;
4892 }
4893
4894 /****************************************************************************
4895  Deal with setting the time from any of the setfilepathinfo functions.
4896 ****************************************************************************/
4897
4898 NTSTATUS smb_set_file_time(connection_struct *conn,
4899                            files_struct *fsp,
4900                            const char *fname,
4901                            const SMB_STRUCT_STAT *psbuf,
4902                            struct timespec ts[2],
4903                            bool setting_write_time)
4904 {
4905         uint32 action =
4906                 FILE_NOTIFY_CHANGE_LAST_ACCESS
4907                 |FILE_NOTIFY_CHANGE_LAST_WRITE;
4908
4909         if (!VALID_STAT(*psbuf)) {
4910                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
4911         }
4912
4913         /* get some defaults (no modifications) if any info is zero or -1. */
4914         if (null_timespec(ts[0])) {
4915                 ts[0] = get_atimespec(psbuf);
4916                 action &= ~FILE_NOTIFY_CHANGE_LAST_ACCESS;
4917         }
4918
4919         if (null_timespec(ts[1])) {
4920                 ts[1] = get_mtimespec(psbuf);
4921                 action &= ~FILE_NOTIFY_CHANGE_LAST_WRITE;
4922         }
4923
4924         if (!setting_write_time) {
4925                 /* ts[1] comes from change time, not write time. */
4926                 action &= ~FILE_NOTIFY_CHANGE_LAST_WRITE;
4927         }
4928
4929         DEBUG(6,("smb_set_file_time: actime: %s " , time_to_asc(convert_timespec_to_time_t(ts[0])) ));
4930         DEBUG(6,("smb_set_file_time: modtime: %s ", time_to_asc(convert_timespec_to_time_t(ts[1])) ));
4931
4932         /*
4933          * Try and set the times of this file if
4934          * they are different from the current values.
4935          */
4936
4937         {
4938                 struct timespec mts = get_mtimespec(psbuf);
4939                 struct timespec ats = get_atimespec(psbuf);
4940                 if ((timespec_compare(&ts[0], &ats) == 0) && (timespec_compare(&ts[1], &mts) == 0)) {
4941                         return NT_STATUS_OK;
4942                 }
4943         }
4944
4945         if (setting_write_time) {
4946                 /*
4947                  * This was a setfileinfo on an open file.
4948                  * NT does this a lot. We also need to
4949                  * set the time here, as it can be read by
4950                  * FindFirst/FindNext and with the patch for bug #2045
4951                  * in smbd/fileio.c it ensures that this timestamp is
4952                  * kept sticky even after a write. We save the request
4953                  * away and will set it on file close and after a write. JRA.
4954                  */
4955
4956                 DEBUG(10,("smb_set_file_time: setting pending modtime to %s\n",
4957                           time_to_asc(convert_timespec_to_time_t(ts[1])) ));
4958
4959                 if (fsp != NULL) {
4960                         if (fsp->base_fsp) {
4961                                 set_sticky_write_time_fsp(fsp->base_fsp, ts[1]);
4962                         } else {
4963                                 set_sticky_write_time_fsp(fsp, ts[1]);
4964                         }
4965                 } else {
4966                         set_sticky_write_time_path(conn, fname,
4967                                             vfs_file_id_from_sbuf(conn, psbuf),
4968                                             ts[1]);
4969                 }
4970         }
4971
4972         DEBUG(10,("smb_set_file_time: setting utimes to modified values.\n"));
4973
4974         if (fsp && fsp->base_fsp) {
4975                 fname = fsp->base_fsp->fsp_name;
4976         }
4977
4978         if(file_ntimes(conn, fname, ts)!=0) {
4979                 return map_nt_error_from_unix(errno);
4980         }
4981         notify_fname(conn, NOTIFY_ACTION_MODIFIED, action, fname);
4982
4983         return NT_STATUS_OK;
4984 }
4985
4986 /****************************************************************************
4987  Deal with setting the dosmode from any of the setfilepathinfo functions.
4988 ****************************************************************************/
4989
4990 static NTSTATUS smb_set_file_dosmode(connection_struct *conn,
4991                                 const char *fname,
4992                                 SMB_STRUCT_STAT *psbuf,
4993                                 uint32 dosmode)
4994 {
4995         if (!VALID_STAT(*psbuf)) {
4996                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
4997         }
4998
4999         if (dosmode) {
5000                 if (S_ISDIR(psbuf->st_mode)) {
5001                         dosmode |= aDIR;
5002                 } else {
5003                         dosmode &= ~aDIR;
5004                 }
5005         }
5006
5007         DEBUG(6,("smb_set_file_dosmode: dosmode: 0x%x\n", (unsigned int)dosmode));
5008
5009         /* check the mode isn't different, before changing it */
5010         if ((dosmode != 0) && (dosmode != dos_mode(conn, fname, psbuf))) {
5011
5012                 DEBUG(10,("smb_set_file_dosmode: file %s : setting dos mode 0x%x\n",
5013                                         fname, (unsigned int)dosmode ));
5014
5015                 if(file_set_dosmode(conn, fname, dosmode, psbuf, NULL, false)) {
5016                         DEBUG(2,("smb_set_file_dosmode: file_set_dosmode of %s failed (%s)\n",
5017                                                 fname, strerror(errno)));
5018                         return map_nt_error_from_unix(errno);
5019                 }
5020         }
5021         return NT_STATUS_OK;
5022 }
5023
5024 /****************************************************************************
5025  Deal with setting the size from any of the setfilepathinfo functions.
5026 ****************************************************************************/
5027
5028 static NTSTATUS smb_set_file_size(connection_struct *conn,
5029                                   struct smb_request *req,
5030                                 files_struct *fsp,
5031                                 const char *fname,
5032                                 SMB_STRUCT_STAT *psbuf,
5033                                 SMB_OFF_T size)
5034 {
5035         NTSTATUS status = NT_STATUS_OK;
5036         files_struct *new_fsp = NULL;
5037
5038         if (!VALID_STAT(*psbuf)) {
5039                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
5040         }
5041
5042         DEBUG(6,("smb_set_file_size: size: %.0f ", (double)size));
5043
5044         if (size == get_file_size(*psbuf)) {
5045                 return NT_STATUS_OK;
5046         }
5047
5048         DEBUG(10,("smb_set_file_size: file %s : setting new size to %.0f\n",
5049                 fname, (double)size ));
5050
5051         if (fsp && fsp->fh->fd != -1) {
5052                 /* Handle based call. */
5053                 if (vfs_set_filelen(fsp, size) == -1) {
5054                         return map_nt_error_from_unix(errno);
5055                 }
5056                 trigger_write_time_update_immediate(fsp);
5057                 return NT_STATUS_OK;
5058         }
5059
5060         status = open_file_ntcreate(conn, req, fname, psbuf,
5061                                 FILE_WRITE_ATTRIBUTES,
5062                                 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
5063                                 FILE_OPEN,
5064                                 0,
5065                                 FILE_ATTRIBUTE_NORMAL,
5066                                 FORCE_OPLOCK_BREAK_TO_NONE,
5067                                 NULL, &new_fsp);
5068
5069         if (!NT_STATUS_IS_OK(status)) {
5070                 /* NB. We check for open_was_deferred in the caller. */
5071                 return status;
5072         }
5073
5074         if (vfs_set_filelen(new_fsp, size) == -1) {
5075                 status = map_nt_error_from_unix(errno);
5076                 close_file(req, new_fsp,NORMAL_CLOSE);
5077                 return status;
5078         }
5079
5080         trigger_write_time_update_immediate(new_fsp);
5081         close_file(req, new_fsp,NORMAL_CLOSE);
5082         return NT_STATUS_OK;
5083 }
5084
5085 /****************************************************************************
5086  Deal with SMB_INFO_SET_EA.
5087 ****************************************************************************/
5088
5089 static NTSTATUS smb_info_set_ea(connection_struct *conn,
5090                                 const char *pdata,
5091                                 int total_data,
5092                                 files_struct *fsp,
5093                                 const char *fname)
5094 {
5095         struct ea_list *ea_list = NULL;
5096         TALLOC_CTX *ctx = NULL;
5097         NTSTATUS status = NT_STATUS_OK;
5098
5099         if (total_data < 10) {
5100
5101                 /* OS/2 workplace shell seems to send SET_EA requests of "null"
5102                    length. They seem to have no effect. Bug #3212. JRA */
5103
5104                 if ((total_data == 4) && (IVAL(pdata,0) == 4)) {
5105                         /* We're done. We only get EA info in this call. */
5106                         return NT_STATUS_OK;
5107                 }
5108
5109                 return NT_STATUS_INVALID_PARAMETER;
5110         }
5111
5112         if (IVAL(pdata,0) > total_data) {
5113                 DEBUG(10,("smb_info_set_ea: bad total data size (%u) > %u\n",
5114                         IVAL(pdata,0), (unsigned int)total_data));
5115                 return NT_STATUS_INVALID_PARAMETER;
5116         }
5117
5118         ctx = talloc_tos();
5119         ea_list = read_ea_list(ctx, pdata + 4, total_data - 4);
5120         if (!ea_list) {
5121                 return NT_STATUS_INVALID_PARAMETER;
5122         }
5123         status = set_ea(conn, fsp, fname, ea_list);
5124
5125         return status;
5126 }
5127
5128 /****************************************************************************
5129  Deal with SMB_SET_FILE_DISPOSITION_INFO.
5130 ****************************************************************************/
5131
5132 static NTSTATUS smb_set_file_disposition_info(connection_struct *conn,
5133                                 const char *pdata,
5134                                 int total_data,
5135                                 files_struct *fsp,
5136                                 const char *fname,
5137                                 SMB_STRUCT_STAT *psbuf)
5138 {
5139         NTSTATUS status = NT_STATUS_OK;
5140         bool delete_on_close;
5141         uint32 dosmode = 0;
5142
5143         if (total_data < 1) {
5144                 return NT_STATUS_INVALID_PARAMETER;
5145         }
5146
5147         if (fsp == NULL) {
5148                 return NT_STATUS_INVALID_HANDLE;
5149         }
5150
5151         delete_on_close = (CVAL(pdata,0) ? True : False);
5152         dosmode = dos_mode(conn, fname, psbuf);
5153
5154         DEBUG(10,("smb_set_file_disposition_info: file %s, dosmode = %u, "
5155                 "delete_on_close = %u\n",
5156                 fsp->fsp_name,
5157                 (unsigned int)dosmode,
5158                 (unsigned int)delete_on_close ));
5159
5160         status = can_set_delete_on_close(fsp, delete_on_close, dosmode);
5161
5162         if (!NT_STATUS_IS_OK(status)) {
5163                 return status;
5164         }
5165
5166         /* The set is across all open files on this dev/inode pair. */
5167         if (!set_delete_on_close(fsp, delete_on_close,
5168                                  &conn->server_info->utok)) {
5169                 return NT_STATUS_ACCESS_DENIED;
5170         }
5171         return NT_STATUS_OK;
5172 }
5173
5174 /****************************************************************************
5175  Deal with SMB_FILE_POSITION_INFORMATION.
5176 ****************************************************************************/
5177
5178 static NTSTATUS smb_file_position_information(connection_struct *conn,
5179                                 const char *pdata,
5180                                 int total_data,
5181                                 files_struct *fsp)
5182 {
5183         uint64_t position_information;
5184
5185         if (total_data < 8) {
5186                 return NT_STATUS_INVALID_PARAMETER;
5187         }
5188
5189         if (fsp == NULL) {
5190                 /* Ignore on pathname based set. */
5191                 return NT_STATUS_OK;
5192         }
5193
5194         position_information = (uint64_t)IVAL(pdata,0);
5195 #ifdef LARGE_SMB_OFF_T
5196         position_information |= (((uint64_t)IVAL(pdata,4)) << 32);
5197 #else /* LARGE_SMB_OFF_T */
5198         if (IVAL(pdata,4) != 0) {
5199                 /* more than 32 bits? */
5200                 return NT_STATUS_INVALID_PARAMETER;
5201         }
5202 #endif /* LARGE_SMB_OFF_T */
5203
5204         DEBUG(10,("smb_file_position_information: Set file position information for file %s to %.0f\n",
5205                 fsp->fsp_name, (double)position_information ));
5206         fsp->fh->position_information = position_information;
5207         return NT_STATUS_OK;
5208 }
5209
5210 /****************************************************************************
5211  Deal with SMB_FILE_MODE_INFORMATION.
5212 ****************************************************************************/
5213
5214 static NTSTATUS smb_file_mode_information(connection_struct *conn,
5215                                 const char *pdata,
5216                                 int total_data)
5217 {
5218         uint32 mode;
5219
5220         if (total_data < 4) {
5221                 return NT_STATUS_INVALID_PARAMETER;
5222         }
5223         mode = IVAL(pdata,0);
5224         if (mode != 0 && mode != 2 && mode != 4 && mode != 6) {
5225                 return NT_STATUS_INVALID_PARAMETER;
5226         }
5227         return NT_STATUS_OK;
5228 }
5229
5230 /****************************************************************************
5231  Deal with SMB_SET_FILE_UNIX_LINK (create a UNIX symlink).
5232 ****************************************************************************/
5233
5234 static NTSTATUS smb_set_file_unix_link(connection_struct *conn,
5235                                        struct smb_request *req,
5236                                        const char *pdata,
5237                                        int total_data,
5238                                        const char *fname)
5239 {
5240         char *link_target = NULL;
5241         const char *newname = fname;
5242         NTSTATUS status = NT_STATUS_OK;
5243         TALLOC_CTX *ctx = talloc_tos();
5244
5245         /* Set a symbolic link. */
5246         /* Don't allow this if follow links is false. */
5247
5248         if (total_data == 0) {
5249                 return NT_STATUS_INVALID_PARAMETER;
5250         }
5251
5252         if (!lp_symlinks(SNUM(conn))) {
5253                 return NT_STATUS_ACCESS_DENIED;
5254         }
5255
5256         srvstr_pull_talloc(ctx, pdata, req->flags2, &link_target, pdata,
5257                     total_data, STR_TERMINATE);
5258
5259         if (!link_target) {
5260                 return NT_STATUS_INVALID_PARAMETER;
5261         }
5262
5263         /* !widelinks forces the target path to be within the share. */
5264         /* This means we can interpret the target as a pathname. */
5265         if (!lp_widelinks(SNUM(conn))) {
5266                 char *rel_name = NULL;
5267                 char *last_dirp = NULL;
5268
5269                 if (*link_target == '/') {
5270                         /* No absolute paths allowed. */
5271                         return NT_STATUS_ACCESS_DENIED;
5272                 }
5273                 rel_name = talloc_strdup(ctx,newname);
5274                 if (!rel_name) {
5275                         return NT_STATUS_NO_MEMORY;
5276                 }
5277                 last_dirp = strrchr_m(rel_name, '/');
5278                 if (last_dirp) {
5279                         last_dirp[1] = '\0';
5280                 } else {
5281                         rel_name = talloc_strdup(ctx,"./");
5282                         if (!rel_name) {
5283                                 return NT_STATUS_NO_MEMORY;
5284                         }
5285                 }
5286                 rel_name = talloc_asprintf_append(rel_name,
5287                                 "%s",
5288                                 link_target);
5289                 if (!rel_name) {
5290                         return NT_STATUS_NO_MEMORY;
5291                 }
5292
5293                 status = check_name(conn, rel_name);
5294                 if (!NT_STATUS_IS_OK(status)) {
5295                         return status;
5296                 }
5297         }
5298
5299         DEBUG(10,("smb_set_file_unix_link: SMB_SET_FILE_UNIX_LINK doing symlink %s -> %s\n",
5300                         newname, link_target ));
5301
5302         if (SMB_VFS_SYMLINK(conn,link_target,newname) != 0) {
5303                 return map_nt_error_from_unix(errno);
5304         }
5305
5306         return NT_STATUS_OK;
5307 }
5308
5309 /****************************************************************************
5310  Deal with SMB_SET_FILE_UNIX_HLINK (create a UNIX hard link).
5311 ****************************************************************************/
5312
5313 static NTSTATUS smb_set_file_unix_hlink(connection_struct *conn,
5314                                         struct smb_request *req,
5315                                         const char *pdata, int total_data,
5316                                         const char *fname)
5317 {
5318         char *oldname = NULL;
5319         TALLOC_CTX *ctx = talloc_tos();
5320         NTSTATUS status = NT_STATUS_OK;
5321
5322         /* Set a hard link. */
5323         if (total_data == 0) {
5324                 return NT_STATUS_INVALID_PARAMETER;
5325         }
5326
5327         srvstr_get_path(ctx, pdata, req->flags2, &oldname, pdata,
5328                         total_data, STR_TERMINATE, &status);
5329         if (!NT_STATUS_IS_OK(status)) {
5330                 return status;
5331         }
5332
5333         status = resolve_dfspath(ctx, conn,
5334                                 req->flags2 & FLAGS2_DFS_PATHNAMES,
5335                                 oldname,
5336                                 &oldname);
5337         if (!NT_STATUS_IS_OK(status)) {
5338                 return status;
5339         }
5340
5341         DEBUG(10,("smb_set_file_unix_hlink: SMB_SET_FILE_UNIX_LINK doing hard link %s -> %s\n",
5342                 fname, oldname));
5343
5344         return hardlink_internals(ctx, conn, oldname, fname);
5345 }
5346
5347 /****************************************************************************
5348  Deal with SMB_FILE_RENAME_INFORMATION.
5349 ****************************************************************************/
5350
5351 static NTSTATUS smb_file_rename_information(connection_struct *conn,
5352                                             struct smb_request *req,
5353                                             const char *pdata,
5354                                             int total_data,
5355                                             files_struct *fsp,
5356                                             const char *fname)
5357 {
5358         bool overwrite;
5359         uint32 root_fid;
5360         uint32 len;
5361         char *newname = NULL;
5362         char *base_name = NULL;
5363         bool dest_has_wcard = False;
5364         NTSTATUS status = NT_STATUS_OK;
5365         char *p;
5366         TALLOC_CTX *ctx = talloc_tos();
5367
5368         if (total_data < 13) {
5369                 return NT_STATUS_INVALID_PARAMETER;
5370         }
5371
5372         overwrite = (CVAL(pdata,0) ? True : False);
5373         root_fid = IVAL(pdata,4);
5374         len = IVAL(pdata,8);
5375
5376         if (len > (total_data - 12) || (len == 0) || (root_fid != 0)) {
5377                 return NT_STATUS_INVALID_PARAMETER;
5378         }
5379
5380         srvstr_get_path_wcard(ctx, pdata, req->flags2, &newname, &pdata[12],
5381                               len, 0, &status,
5382                               &dest_has_wcard);
5383         if (!NT_STATUS_IS_OK(status)) {
5384                 return status;
5385         }
5386
5387         DEBUG(10,("smb_file_rename_information: got name |%s|\n",
5388                                 newname));
5389
5390         status = resolve_dfspath_wcard(ctx, conn,
5391                                        req->flags2 & FLAGS2_DFS_PATHNAMES,
5392                                        newname,
5393                                        &newname,
5394                                        &dest_has_wcard);
5395         if (!NT_STATUS_IS_OK(status)) {
5396                 return status;
5397         }
5398
5399         /* Check the new name has no '/' characters. */
5400         if (strchr_m(newname, '/')) {
5401                 return NT_STATUS_NOT_SUPPORTED;
5402         }
5403
5404         if (fsp && fsp->base_fsp) {
5405                 if (newname[0] != ':') {
5406                         return NT_STATUS_NOT_SUPPORTED;
5407                 }
5408                 base_name = talloc_asprintf(ctx, "%s%s",
5409                                            fsp->base_fsp->fsp_name,
5410                                            newname);
5411                 if (!base_name) {
5412                         return NT_STATUS_NO_MEMORY;
5413                 }
5414         } else {
5415                 if (is_ntfs_stream_name(newname)) {
5416                         return NT_STATUS_NOT_SUPPORTED;
5417                 }
5418
5419                 /* Create the base directory. */
5420                 base_name = talloc_strdup(ctx, fname);
5421                 if (!base_name) {
5422                         return NT_STATUS_NO_MEMORY;
5423                 }
5424                 p = strrchr_m(base_name, '/');
5425                 if (p) {
5426                         p[1] = '\0';
5427                 } else {
5428                         base_name = talloc_strdup(ctx, "./");
5429                         if (!base_name) {
5430                                 return NT_STATUS_NO_MEMORY;
5431                         }
5432                 }
5433                 /* Append the new name. */
5434                 base_name = talloc_asprintf_append(base_name,
5435                                 "%s",
5436                                 newname);
5437                 if (!base_name) {
5438                         return NT_STATUS_NO_MEMORY;
5439                 }
5440         }
5441
5442         if (fsp) {
5443                 SMB_STRUCT_STAT sbuf;
5444                 char *newname_last_component = NULL;
5445
5446                 ZERO_STRUCT(sbuf);
5447
5448                 status = unix_convert(ctx, conn, newname, False,
5449                                         &newname,
5450                                         &newname_last_component,
5451                                         &sbuf);
5452
5453                 /* If an error we expect this to be
5454                  * NT_STATUS_OBJECT_PATH_NOT_FOUND */
5455
5456                 if (!NT_STATUS_IS_OK(status)
5457                     && !NT_STATUS_EQUAL(NT_STATUS_OBJECT_PATH_NOT_FOUND,
5458                                         status)) {
5459                         return status;
5460                 }
5461
5462                 DEBUG(10,("smb_file_rename_information: SMB_FILE_RENAME_INFORMATION (fnum %d) %s -> %s\n",
5463                         fsp->fnum, fsp->fsp_name, base_name ));
5464                 status = rename_internals_fsp(conn, fsp, base_name,
5465                                               newname_last_component, 0,
5466                                               overwrite);
5467         } else {
5468                 DEBUG(10,("smb_file_rename_information: SMB_FILE_RENAME_INFORMATION %s -> %s\n",
5469                         fname, base_name ));
5470                 status = rename_internals(ctx, conn, req, fname, base_name, 0,
5471                                         overwrite, False, dest_has_wcard,
5472                                         FILE_WRITE_ATTRIBUTES);
5473         }
5474
5475         return status;
5476 }
5477
5478 /****************************************************************************
5479  Deal with SMB_SET_POSIX_ACL.
5480 ****************************************************************************/
5481
5482 #if defined(HAVE_POSIX_ACLS)
5483 static NTSTATUS smb_set_posix_acl(connection_struct *conn,
5484                                 const char *pdata,
5485                                 int total_data,
5486                                 files_struct *fsp,
5487                                 const char *fname,
5488                                 SMB_STRUCT_STAT *psbuf)
5489 {
5490         uint16 posix_acl_version;
5491         uint16 num_file_acls;
5492         uint16 num_def_acls;
5493         bool valid_file_acls = True;
5494         bool valid_def_acls = True;
5495
5496         if (total_data < SMB_POSIX_ACL_HEADER_SIZE) {
5497                 return NT_STATUS_INVALID_PARAMETER;
5498         }
5499         posix_acl_version = SVAL(pdata,0);
5500         num_file_acls = SVAL(pdata,2);
5501         num_def_acls = SVAL(pdata,4);
5502
5503         if (num_file_acls == SMB_POSIX_IGNORE_ACE_ENTRIES) {
5504                 valid_file_acls = False;
5505                 num_file_acls = 0;
5506         }
5507
5508         if (num_def_acls == SMB_POSIX_IGNORE_ACE_ENTRIES) {
5509                 valid_def_acls = False;
5510                 num_def_acls = 0;
5511         }
5512
5513         if (posix_acl_version != SMB_POSIX_ACL_VERSION) {
5514                 return NT_STATUS_INVALID_PARAMETER;
5515         }
5516
5517         if (total_data < SMB_POSIX_ACL_HEADER_SIZE +
5518                         (num_file_acls+num_def_acls)*SMB_POSIX_ACL_ENTRY_SIZE) {
5519                 return NT_STATUS_INVALID_PARAMETER;
5520         }
5521
5522         DEBUG(10,("smb_set_posix_acl: file %s num_file_acls = %u, num_def_acls = %u\n",
5523                 fname ? fname : fsp->fsp_name,
5524                 (unsigned int)num_file_acls,
5525                 (unsigned int)num_def_acls));
5526
5527         if (valid_file_acls && !set_unix_posix_acl(conn, fsp, fname, num_file_acls,
5528                         pdata + SMB_POSIX_ACL_HEADER_SIZE)) {
5529                 return map_nt_error_from_unix(errno);
5530         }
5531
5532         if (valid_def_acls && !set_unix_posix_default_acl(conn, fname, psbuf, num_def_acls,
5533                         pdata + SMB_POSIX_ACL_HEADER_SIZE +
5534                         (num_file_acls*SMB_POSIX_ACL_ENTRY_SIZE))) {
5535                 return map_nt_error_from_unix(errno);
5536         }
5537         return NT_STATUS_OK;
5538 }
5539 #endif
5540
5541 /****************************************************************************
5542  Deal with SMB_SET_POSIX_LOCK.
5543 ****************************************************************************/
5544
5545 static NTSTATUS smb_set_posix_lock(connection_struct *conn,
5546                                 struct smb_request *req,
5547                                 const char *pdata,
5548                                 int total_data,
5549                                 files_struct *fsp)
5550 {
5551         uint64_t count;
5552         uint64_t offset;
5553         uint32 lock_pid;
5554         bool blocking_lock = False;
5555         enum brl_type lock_type;
5556
5557         NTSTATUS status = NT_STATUS_OK;
5558
5559         if (fsp == NULL || fsp->fh->fd == -1) {
5560                 return NT_STATUS_INVALID_HANDLE;
5561         }
5562
5563         if (total_data != POSIX_LOCK_DATA_SIZE) {
5564                 return NT_STATUS_INVALID_PARAMETER;
5565         }
5566
5567         switch (SVAL(pdata, POSIX_LOCK_TYPE_OFFSET)) {
5568                 case POSIX_LOCK_TYPE_READ:
5569                         lock_type = READ_LOCK;
5570                         break;
5571                 case POSIX_LOCK_TYPE_WRITE:
5572                         /* Return the right POSIX-mappable error code for files opened read-only. */
5573                         if (!fsp->can_write) {
5574                                 return NT_STATUS_INVALID_HANDLE;
5575                         }
5576                         lock_type = WRITE_LOCK;
5577                         break;
5578                 case POSIX_LOCK_TYPE_UNLOCK:
5579                         lock_type = UNLOCK_LOCK;
5580                         break;
5581                 default:
5582                         return NT_STATUS_INVALID_PARAMETER;
5583         }
5584
5585         if (SVAL(pdata,POSIX_LOCK_FLAGS_OFFSET) == POSIX_LOCK_FLAG_NOWAIT) {
5586                 blocking_lock = False;
5587         } else if (SVAL(pdata,POSIX_LOCK_FLAGS_OFFSET) == POSIX_LOCK_FLAG_WAIT) {
5588                 blocking_lock = True;
5589         } else {
5590                 return NT_STATUS_INVALID_PARAMETER;
5591         }
5592
5593         if (!lp_blocking_locks(SNUM(conn))) {
5594                 blocking_lock = False;
5595         }
5596
5597         lock_pid = IVAL(pdata, POSIX_LOCK_PID_OFFSET);
5598 #if defined(HAVE_LONGLONG)
5599         offset = (((uint64_t) IVAL(pdata,(POSIX_LOCK_START_OFFSET+4))) << 32) |
5600                         ((uint64_t) IVAL(pdata,POSIX_LOCK_START_OFFSET));
5601         count = (((uint64_t) IVAL(pdata,(POSIX_LOCK_LEN_OFFSET+4))) << 32) |
5602                         ((uint64_t) IVAL(pdata,POSIX_LOCK_LEN_OFFSET));
5603 #else /* HAVE_LONGLONG */
5604         offset = (uint64_t)IVAL(pdata,POSIX_LOCK_START_OFFSET);
5605         count = (uint64_t)IVAL(pdata,POSIX_LOCK_LEN_OFFSET);
5606 #endif /* HAVE_LONGLONG */
5607
5608         DEBUG(10,("smb_set_posix_lock: file %s, lock_type = %u,"
5609                         "lock_pid = %u, count = %.0f, offset = %.0f\n",
5610                 fsp->fsp_name,
5611                 (unsigned int)lock_type,
5612                 (unsigned int)lock_pid,
5613                 (double)count,
5614                 (double)offset ));
5615
5616         if (lock_type == UNLOCK_LOCK) {
5617                 status = do_unlock(smbd_messaging_context(),
5618                                 fsp,
5619                                 lock_pid,
5620                                 count,
5621                                 offset,
5622                                 POSIX_LOCK);
5623         } else {
5624                 uint32 block_smbpid;
5625
5626                 struct byte_range_lock *br_lck = do_lock(smbd_messaging_context(),
5627                                                         fsp,
5628                                                         lock_pid,
5629                                                         count,
5630                                                         offset,
5631                                                         lock_type,
5632                                                         POSIX_LOCK,
5633                                                         blocking_lock,
5634                                                         &status,
5635                                                         &block_smbpid);
5636
5637                 if (br_lck && blocking_lock && ERROR_WAS_LOCK_DENIED(status)) {
5638                         /*
5639                          * A blocking lock was requested. Package up
5640                          * this smb into a queued request and push it
5641                          * onto the blocking lock queue.
5642                          */
5643                         if(push_blocking_lock_request(br_lck,
5644                                                 req,
5645                                                 fsp,
5646                                                 -1, /* infinite timeout. */
5647                                                 0,
5648                                                 lock_pid,
5649                                                 lock_type,
5650                                                 POSIX_LOCK,
5651                                                 offset,
5652                                                 count,
5653                                                 block_smbpid)) {
5654                                 TALLOC_FREE(br_lck);
5655                                 return status;
5656                         }
5657                 }
5658                 TALLOC_FREE(br_lck);
5659         }
5660
5661         return status;
5662 }
5663
5664 /****************************************************************************
5665  Deal with SMB_INFO_STANDARD.
5666 ****************************************************************************/
5667
5668 static NTSTATUS smb_set_info_standard(connection_struct *conn,
5669                                         const char *pdata,
5670                                         int total_data,
5671                                         files_struct *fsp,
5672                                         const char *fname,
5673                                         const SMB_STRUCT_STAT *psbuf)
5674 {
5675         struct timespec ts[2];
5676
5677         if (total_data < 12) {
5678                 return NT_STATUS_INVALID_PARAMETER;
5679         }
5680
5681         /* access time */
5682         ts[0] = convert_time_t_to_timespec(srv_make_unix_date2(pdata+l1_fdateLastAccess));
5683         /* write time */
5684         ts[1] = convert_time_t_to_timespec(srv_make_unix_date2(pdata+l1_fdateLastWrite));
5685
5686         DEBUG(10,("smb_set_info_standard: file %s\n",
5687                 fname ? fname : fsp->fsp_name ));
5688
5689         return smb_set_file_time(conn,
5690                                 fsp,
5691                                 fname,
5692                                 psbuf,
5693                                 ts,
5694                                 true);
5695 }
5696
5697 /****************************************************************************
5698  Deal with SMB_SET_FILE_BASIC_INFO.
5699 ****************************************************************************/
5700
5701 static NTSTATUS smb_set_file_basic_info(connection_struct *conn,
5702                                         const char *pdata,
5703                                         int total_data,
5704                                         files_struct *fsp,
5705                                         const char *fname,
5706                                         SMB_STRUCT_STAT *psbuf)
5707 {
5708         /* Patch to do this correctly from Paul Eggert <eggert@twinsun.com>. */
5709         struct timespec write_time;
5710         struct timespec changed_time;
5711         uint32 dosmode = 0;
5712         struct timespec ts[2];
5713         NTSTATUS status = NT_STATUS_OK;
5714         bool setting_write_time = true;
5715
5716         if (total_data < 36) {
5717                 return NT_STATUS_INVALID_PARAMETER;
5718         }
5719
5720         /* Set the attributes */
5721         dosmode = IVAL(pdata,32);
5722         status = smb_set_file_dosmode(conn,
5723                                         fname,
5724                                         psbuf,
5725                                         dosmode);
5726         if (!NT_STATUS_IS_OK(status)) {
5727                 return status;
5728         }
5729
5730         /* Ignore create time at offset pdata. */
5731
5732         /* access time */
5733         ts[0] = interpret_long_date(pdata+8);
5734
5735         write_time = interpret_long_date(pdata+16);
5736         changed_time = interpret_long_date(pdata+24);
5737
5738         /* mtime */
5739         ts[1] = timespec_min(&write_time, &changed_time);
5740
5741         if ((timespec_compare(&write_time, &ts[1]) == 1) && !null_timespec(write_time)) {
5742                 ts[1] = write_time;
5743         }
5744
5745         /* Prefer a defined time to an undefined one. */
5746         if (null_timespec(ts[1])) {
5747                 if (null_timespec(write_time)) {
5748                         ts[1] = changed_time;
5749                         setting_write_time = false;
5750                 } else {
5751                         ts[1] = write_time;
5752                 }
5753         }
5754
5755         DEBUG(10,("smb_set_file_basic_info: file %s\n",
5756                 fname ? fname : fsp->fsp_name ));
5757
5758         return smb_set_file_time(conn,
5759                                 fsp,
5760                                 fname,
5761                                 psbuf,
5762                                 ts,
5763                                 setting_write_time);
5764 }
5765
5766 /****************************************************************************
5767  Deal with SMB_SET_FILE_ALLOCATION_INFO.
5768 ****************************************************************************/
5769
5770 static NTSTATUS smb_set_file_allocation_info(connection_struct *conn,
5771                                              struct smb_request *req,
5772                                         const char *pdata,
5773                                         int total_data,
5774                                         files_struct *fsp,
5775                                         const char *fname,
5776                                         SMB_STRUCT_STAT *psbuf)
5777 {
5778         uint64_t allocation_size = 0;
5779         NTSTATUS status = NT_STATUS_OK;
5780         files_struct *new_fsp = NULL;
5781
5782         if (!VALID_STAT(*psbuf)) {
5783                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
5784         }
5785
5786         if (total_data < 8) {
5787                 return NT_STATUS_INVALID_PARAMETER;
5788         }
5789
5790         allocation_size = (uint64_t)IVAL(pdata,0);
5791 #ifdef LARGE_SMB_OFF_T
5792         allocation_size |= (((uint64_t)IVAL(pdata,4)) << 32);
5793 #else /* LARGE_SMB_OFF_T */
5794         if (IVAL(pdata,4) != 0) {
5795                 /* more than 32 bits? */
5796                 return NT_STATUS_INVALID_PARAMETER;
5797         }
5798 #endif /* LARGE_SMB_OFF_T */
5799
5800         DEBUG(10,("smb_set_file_allocation_info: Set file allocation info for file %s to %.0f\n",
5801                         fname, (double)allocation_size ));
5802
5803         if (allocation_size) {
5804                 allocation_size = smb_roundup(conn, allocation_size);
5805         }
5806
5807         DEBUG(10,("smb_set_file_allocation_info: file %s : setting new allocation size to %.0f\n",
5808                         fname, (double)allocation_size ));
5809
5810         if (fsp && fsp->fh->fd != -1) {
5811                 /* Open file handle. */
5812                 /* Only change if needed. */
5813                 if (allocation_size != get_file_size(*psbuf)) {
5814                         if (vfs_allocate_file_space(fsp, allocation_size) == -1) {
5815                                 return map_nt_error_from_unix(errno);
5816                         }
5817                 }
5818                 /* But always update the time. */
5819                 /*
5820                  * This is equivalent to a write. Ensure it's seen immediately
5821                  * if there are no pending writes.
5822                  */
5823                 trigger_write_time_update_immediate(fsp);
5824                 return NT_STATUS_OK;
5825         }
5826
5827         /* Pathname or stat or directory file. */
5828
5829         status = open_file_ntcreate(conn, req, fname, psbuf,
5830                                 FILE_WRITE_DATA,
5831                                 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
5832                                 FILE_OPEN,
5833                                 0,
5834                                 FILE_ATTRIBUTE_NORMAL,
5835                                 FORCE_OPLOCK_BREAK_TO_NONE,
5836                                 NULL, &new_fsp);
5837
5838         if (!NT_STATUS_IS_OK(status)) {
5839                 /* NB. We check for open_was_deferred in the caller. */
5840                 return status;
5841         }
5842
5843         /* Only change if needed. */
5844         if (allocation_size != get_file_size(*psbuf)) {
5845                 if (vfs_allocate_file_space(new_fsp, allocation_size) == -1) {
5846                         status = map_nt_error_from_unix(errno);
5847                         close_file(req, new_fsp, NORMAL_CLOSE);
5848                         return status;
5849                 }
5850         }
5851
5852         /* Changing the allocation size should set the last mod time. */
5853         /*
5854          * This is equivalent to a write. Ensure it's seen immediately
5855          * if there are no pending writes.
5856          */
5857         trigger_write_time_update_immediate(new_fsp);
5858
5859         close_file(req, new_fsp, NORMAL_CLOSE);
5860         return NT_STATUS_OK;
5861 }
5862
5863 /****************************************************************************
5864  Deal with SMB_SET_FILE_END_OF_FILE_INFO.
5865 ****************************************************************************/
5866
5867 static NTSTATUS smb_set_file_end_of_file_info(connection_struct *conn,
5868                                               struct smb_request *req,
5869                                         const char *pdata,
5870                                         int total_data,
5871                                         files_struct *fsp,
5872                                         const char *fname,
5873                                         SMB_STRUCT_STAT *psbuf)
5874 {
5875         SMB_OFF_T size;
5876
5877         if (total_data < 8) {
5878                 return NT_STATUS_INVALID_PARAMETER;
5879         }
5880
5881         size = IVAL(pdata,0);
5882 #ifdef LARGE_SMB_OFF_T
5883         size |= (((SMB_OFF_T)IVAL(pdata,4)) << 32);
5884 #else /* LARGE_SMB_OFF_T */
5885         if (IVAL(pdata,4) != 0) {
5886                 /* more than 32 bits? */
5887                 return NT_STATUS_INVALID_PARAMETER;
5888         }
5889 #endif /* LARGE_SMB_OFF_T */
5890         DEBUG(10,("smb_set_file_end_of_file_info: Set end of file info for "
5891                 "file %s to %.0f\n", fname, (double)size ));
5892
5893         return smb_set_file_size(conn, req,
5894                                 fsp,
5895                                 fname,
5896                                 psbuf,
5897                                 size);
5898 }
5899
5900 /****************************************************************************
5901  Allow a UNIX info mknod.
5902 ****************************************************************************/
5903
5904 static NTSTATUS smb_unix_mknod(connection_struct *conn,
5905                                         const char *pdata,
5906                                         int total_data,
5907                                         const char *fname,
5908                                         SMB_STRUCT_STAT *psbuf)
5909 {
5910         uint32 file_type = IVAL(pdata,56);
5911 #if defined(HAVE_MAKEDEV)
5912         uint32 dev_major = IVAL(pdata,60);
5913         uint32 dev_minor = IVAL(pdata,68);
5914 #endif
5915         SMB_DEV_T dev = (SMB_DEV_T)0;
5916         uint32 raw_unixmode = IVAL(pdata,84);
5917         NTSTATUS status;
5918         mode_t unixmode;
5919
5920         if (total_data < 100) {
5921                 return NT_STATUS_INVALID_PARAMETER;
5922         }
5923
5924         status = unix_perms_from_wire(conn, psbuf, raw_unixmode, PERM_NEW_FILE, &unixmode);
5925         if (!NT_STATUS_IS_OK(status)) {
5926                 return status;
5927         }
5928
5929 #if defined(HAVE_MAKEDEV)
5930         dev = makedev(dev_major, dev_minor);
5931 #endif
5932
5933         switch (file_type) {
5934 #if defined(S_IFIFO)
5935                 case UNIX_TYPE_FIFO:
5936                         unixmode |= S_IFIFO;
5937                         break;
5938 #endif
5939 #if defined(S_IFSOCK)
5940                 case UNIX_TYPE_SOCKET:
5941                         unixmode |= S_IFSOCK;
5942                         break;
5943 #endif
5944 #if defined(S_IFCHR)
5945                 case UNIX_TYPE_CHARDEV:
5946                         unixmode |= S_IFCHR;
5947                         break;
5948 #endif
5949 #if defined(S_IFBLK)
5950                 case UNIX_TYPE_BLKDEV:
5951                         unixmode |= S_IFBLK;
5952                         break;
5953 #endif
5954                 default:
5955                         return NT_STATUS_INVALID_PARAMETER;
5956         }
5957
5958         DEBUG(10,("smb_unix_mknod: SMB_SET_FILE_UNIX_BASIC doing mknod dev %.0f mode \
5959 0%o for file %s\n", (double)dev, (unsigned int)unixmode, fname ));
5960
5961         /* Ok - do the mknod. */
5962         if (SMB_VFS_MKNOD(conn, fname, unixmode, dev) != 0) {
5963                 return map_nt_error_from_unix(errno);
5964         }
5965
5966         /* If any of the other "set" calls fail we
5967          * don't want to end up with a half-constructed mknod.
5968          */
5969
5970         if (lp_inherit_perms(SNUM(conn))) {
5971                 inherit_access_posix_acl(
5972                         conn, parent_dirname(fname),
5973                         fname, unixmode);
5974         }
5975
5976         if (SMB_VFS_STAT(conn, fname, psbuf) != 0) {
5977                 status = map_nt_error_from_unix(errno);
5978                 SMB_VFS_UNLINK(conn,fname);
5979                 return status;
5980         }
5981         return NT_STATUS_OK;
5982 }
5983
5984 /****************************************************************************
5985  Deal with SMB_SET_FILE_UNIX_BASIC.
5986 ****************************************************************************/
5987
5988 static NTSTATUS smb_set_file_unix_basic(connection_struct *conn,
5989                                         struct smb_request *req,
5990                                         const char *pdata,
5991                                         int total_data,
5992                                         files_struct *fsp,
5993                                         const char *fname,
5994                                         SMB_STRUCT_STAT *psbuf)
5995 {
5996         struct timespec ts[2];
5997         uint32 raw_unixmode;
5998         mode_t unixmode;
5999         SMB_OFF_T size = 0;
6000         uid_t set_owner = (uid_t)SMB_UID_NO_CHANGE;
6001         gid_t set_grp = (uid_t)SMB_GID_NO_CHANGE;
6002         NTSTATUS status = NT_STATUS_OK;
6003         bool delete_on_fail = False;
6004         enum perm_type ptype;
6005
6006         if (total_data < 100) {
6007                 return NT_STATUS_INVALID_PARAMETER;
6008         }
6009
6010         if(IVAL(pdata, 0) != SMB_SIZE_NO_CHANGE_LO &&
6011            IVAL(pdata, 4) != SMB_SIZE_NO_CHANGE_HI) {
6012                 size=IVAL(pdata,0); /* first 8 Bytes are size */
6013 #ifdef LARGE_SMB_OFF_T
6014                 size |= (((SMB_OFF_T)IVAL(pdata,4)) << 32);
6015 #else /* LARGE_SMB_OFF_T */
6016                 if (IVAL(pdata,4) != 0) {
6017                         /* more than 32 bits? */
6018                         return NT_STATUS_INVALID_PARAMETER;
6019                 }
6020 #endif /* LARGE_SMB_OFF_T */
6021         }
6022
6023         ts[0] = interpret_long_date(pdata+24); /* access_time */
6024         ts[1] = interpret_long_date(pdata+32); /* modification_time */
6025         set_owner = (uid_t)IVAL(pdata,40);
6026         set_grp = (gid_t)IVAL(pdata,48);
6027         raw_unixmode = IVAL(pdata,84);
6028
6029         if (VALID_STAT(*psbuf)) {
6030                 if (S_ISDIR(psbuf->st_mode)) {
6031                         ptype = PERM_EXISTING_DIR;
6032                 } else {
6033                         ptype = PERM_EXISTING_FILE;
6034                 }
6035         } else {
6036                 ptype = PERM_NEW_FILE;
6037         }
6038
6039         status = unix_perms_from_wire(conn, psbuf, raw_unixmode, ptype, &unixmode);
6040         if (!NT_STATUS_IS_OK(status)) {
6041                 return status;
6042         }
6043
6044         DEBUG(10,("smb_set_file_unix_basic: SMB_SET_FILE_UNIX_BASIC: name = %s \
6045 size = %.0f, uid = %u, gid = %u, raw perms = 0%o\n",
6046                 fname, (double)size, (unsigned int)set_owner, (unsigned int)set_grp, (int)raw_unixmode));
6047
6048         if (!VALID_STAT(*psbuf)) {
6049                 /*
6050                  * The only valid use of this is to create character and block
6051                  * devices, and named pipes. This is deprecated (IMHO) and
6052                  * a new info level should be used for mknod. JRA.
6053                  */
6054
6055                 status = smb_unix_mknod(conn,
6056                                         pdata,
6057                                         total_data,
6058                                         fname,
6059                                         psbuf);
6060                 if (!NT_STATUS_IS_OK(status)) {
6061                         return status;
6062                 }
6063
6064                 /* Ensure we don't try and change anything else. */
6065                 raw_unixmode = SMB_MODE_NO_CHANGE;
6066                 size = get_file_size(*psbuf);
6067                 ts[0] = get_atimespec(psbuf);
6068                 ts[1] = get_mtimespec(psbuf);
6069                 /*
6070                  * We continue here as we might want to change the
6071                  * owner uid/gid.
6072                  */
6073                 delete_on_fail = True;
6074         }
6075
6076 #if 1
6077         /* Horrible backwards compatibility hack as an old server bug
6078          * allowed a CIFS client bug to remain unnoticed :-(. JRA.
6079          * */
6080
6081         if (!size) {
6082                 size = get_file_size(*psbuf);
6083         }
6084 #endif
6085
6086         /*
6087          * Deal with the UNIX specific mode set.
6088          */
6089
6090         if (raw_unixmode != SMB_MODE_NO_CHANGE) {
6091                 DEBUG(10,("smb_set_file_unix_basic: SMB_SET_FILE_UNIX_BASIC setting mode 0%o for file %s\n",
6092                         (unsigned int)unixmode, fname ));
6093                 if (SMB_VFS_CHMOD(conn, fname, unixmode) != 0) {
6094                         return map_nt_error_from_unix(errno);
6095                 }
6096         }
6097
6098         /*
6099          * Deal with the UNIX specific uid set.
6100          */
6101
6102         if ((set_owner != (uid_t)SMB_UID_NO_CHANGE) && (psbuf->st_uid != set_owner)) {
6103                 int ret;
6104
6105                 DEBUG(10,("smb_set_file_unix_basic: SMB_SET_FILE_UNIX_BASIC changing owner %u for path %s\n",
6106                         (unsigned int)set_owner, fname ));
6107
6108                 if (S_ISLNK(psbuf->st_mode)) {
6109                         ret = SMB_VFS_LCHOWN(conn, fname, set_owner, (gid_t)-1);
6110                 } else {
6111                         ret = SMB_VFS_CHOWN(conn, fname, set_owner, (gid_t)-1);
6112                 }
6113
6114                 if (ret != 0) {
6115                         status = map_nt_error_from_unix(errno);
6116                         if (delete_on_fail) {
6117                                 SMB_VFS_UNLINK(conn,fname);
6118                         }
6119                         return status;
6120                 }
6121         }
6122
6123         /*
6124          * Deal with the UNIX specific gid set.
6125          */
6126
6127         if ((set_grp != (uid_t)SMB_GID_NO_CHANGE) && (psbuf->st_gid != set_grp)) {
6128                 DEBUG(10,("smb_set_file_unix_basic: SMB_SET_FILE_UNIX_BASIC changing group %u for file %s\n",
6129                         (unsigned int)set_owner, fname ));
6130                 if (SMB_VFS_CHOWN(conn, fname, (uid_t)-1, set_grp) != 0) {
6131                         status = map_nt_error_from_unix(errno);
6132                         if (delete_on_fail) {
6133                                 SMB_VFS_UNLINK(conn,fname);
6134                         }
6135                         return status;
6136                 }
6137         }
6138
6139         /* Deal with any size changes. */
6140
6141         status = smb_set_file_size(conn, req,
6142                                 fsp,
6143                                 fname,
6144                                 psbuf,
6145                                 size);
6146         if (!NT_STATUS_IS_OK(status)) {
6147                 return status;
6148         }
6149
6150         /* Deal with any time changes. */
6151
6152         return smb_set_file_time(conn,
6153                                 fsp,
6154                                 fname,
6155                                 psbuf,
6156                                 ts,
6157                                 true);
6158 }
6159
6160 /****************************************************************************
6161  Deal with SMB_SET_FILE_UNIX_INFO2.
6162 ****************************************************************************/
6163
6164 static NTSTATUS smb_set_file_unix_info2(connection_struct *conn,
6165                                         struct smb_request *req,
6166                                         const char *pdata,
6167                                         int total_data,
6168                                         files_struct *fsp,
6169                                         const char *fname,
6170                                         SMB_STRUCT_STAT *psbuf)
6171 {
6172         NTSTATUS status;
6173         uint32 smb_fflags;
6174         uint32 smb_fmask;
6175
6176         if (total_data < 116) {
6177                 return NT_STATUS_INVALID_PARAMETER;
6178         }
6179
6180         /* Start by setting all the fields that are common between UNIX_BASIC
6181          * and UNIX_INFO2.
6182          */
6183         status = smb_set_file_unix_basic(conn, req, pdata, total_data,
6184                                 fsp, fname, psbuf);
6185         if (!NT_STATUS_IS_OK(status)) {
6186                 return status;
6187         }
6188
6189         smb_fflags = IVAL(pdata, 108);
6190         smb_fmask = IVAL(pdata, 112);
6191
6192         /* NB: We should only attempt to alter the file flags if the client
6193          * sends a non-zero mask.
6194          */
6195         if (smb_fmask != 0) {
6196                 int stat_fflags = 0;
6197
6198                 if (!map_info2_flags_to_sbuf(psbuf, smb_fflags, smb_fmask,
6199                             &stat_fflags)) {
6200                         /* Client asked to alter a flag we don't understand. */
6201                         return NT_STATUS_INVALID_PARAMETER;
6202                 }
6203
6204                 if (fsp && fsp->fh->fd != -1) {
6205                         /* XXX: we should be  using SMB_VFS_FCHFLAGS here. */
6206                         return NT_STATUS_NOT_SUPPORTED;
6207                 } else {
6208                         if (SMB_VFS_CHFLAGS(conn, fname, stat_fflags) != 0) {
6209                                 return map_nt_error_from_unix(errno);
6210                         }
6211                 }
6212         }
6213
6214         /* XXX: need to add support for changing the create_time here. You
6215          * can do this for paths on Darwin with setattrlist(2). The right way
6216          * to hook this up is probably by extending the VFS utimes interface.
6217          */
6218
6219         return NT_STATUS_OK;
6220 }
6221
6222 /****************************************************************************
6223  Create a directory with POSIX semantics.
6224 ****************************************************************************/
6225
6226 static NTSTATUS smb_posix_mkdir(connection_struct *conn,
6227                                 struct smb_request *req,
6228                                 char **ppdata,
6229                                 int total_data,
6230                                 const char *fname,
6231                                 SMB_STRUCT_STAT *psbuf,
6232                                 int *pdata_return_size)
6233 {
6234         NTSTATUS status = NT_STATUS_OK;
6235         uint32 raw_unixmode = 0;
6236         uint32 mod_unixmode = 0;
6237         mode_t unixmode = (mode_t)0;
6238         files_struct *fsp = NULL;
6239         uint16 info_level_return = 0;
6240         int info;
6241         char *pdata = *ppdata;
6242
6243         if (total_data < 18) {
6244                 return NT_STATUS_INVALID_PARAMETER;
6245         }
6246
6247         raw_unixmode = IVAL(pdata,8);
6248         /* Next 4 bytes are not yet defined. */
6249
6250         status = unix_perms_from_wire(conn, psbuf, raw_unixmode, PERM_NEW_DIR, &unixmode);
6251         if (!NT_STATUS_IS_OK(status)) {
6252                 return status;
6253         }
6254
6255         mod_unixmode = (uint32)unixmode | FILE_FLAG_POSIX_SEMANTICS;
6256
6257         DEBUG(10,("smb_posix_mkdir: file %s, mode 0%o\n",
6258                 fname, (unsigned int)unixmode ));
6259
6260         status = open_directory(conn, req,
6261                                 fname,
6262                                 psbuf,
6263                                 FILE_READ_ATTRIBUTES, /* Just a stat open */
6264                                 FILE_SHARE_NONE, /* Ignored for stat opens */
6265                                 FILE_CREATE,
6266                                 0,
6267                                 mod_unixmode,
6268                                 &info,
6269                                 &fsp);
6270
6271         if (NT_STATUS_IS_OK(status)) {
6272                 close_file(req, fsp, NORMAL_CLOSE);
6273         }
6274
6275         info_level_return = SVAL(pdata,16);
6276
6277         if (info_level_return == SMB_QUERY_FILE_UNIX_BASIC) {
6278                 *pdata_return_size = 12 + SMB_FILE_UNIX_BASIC_SIZE;
6279         } else if (info_level_return ==  SMB_QUERY_FILE_UNIX_INFO2) {
6280                 *pdata_return_size = 12 + SMB_FILE_UNIX_INFO2_SIZE;
6281         } else {
6282                 *pdata_return_size = 12;
6283         }
6284
6285         /* Realloc the data size */
6286         *ppdata = (char *)SMB_REALLOC(*ppdata,*pdata_return_size);
6287         if (*ppdata == NULL) {
6288                 *pdata_return_size = 0;
6289                 return NT_STATUS_NO_MEMORY;
6290         }
6291         pdata = *ppdata;
6292
6293         SSVAL(pdata,0,NO_OPLOCK_RETURN);
6294         SSVAL(pdata,2,0); /* No fnum. */
6295         SIVAL(pdata,4,info); /* Was directory created. */
6296
6297         switch (info_level_return) {
6298                 case SMB_QUERY_FILE_UNIX_BASIC:
6299                         SSVAL(pdata,8,SMB_QUERY_FILE_UNIX_BASIC);
6300                         SSVAL(pdata,10,0); /* Padding. */
6301                         store_file_unix_basic(conn, pdata + 12, fsp, psbuf);
6302                         break;
6303                 case SMB_QUERY_FILE_UNIX_INFO2:
6304                         SSVAL(pdata,8,SMB_QUERY_FILE_UNIX_INFO2);
6305                         SSVAL(pdata,10,0); /* Padding. */
6306                         store_file_unix_basic_info2(conn, pdata + 12, fsp, psbuf);
6307                         break;
6308                 default:
6309                         SSVAL(pdata,8,SMB_NO_INFO_LEVEL_RETURNED);
6310                         SSVAL(pdata,10,0); /* Padding. */
6311                         break;
6312         }
6313
6314         return status;
6315 }
6316
6317 /****************************************************************************
6318  Open/Create a file with POSIX semantics.
6319 ****************************************************************************/
6320
6321 static NTSTATUS smb_posix_open(connection_struct *conn,
6322                                struct smb_request *req,
6323                                 char **ppdata,
6324                                 int total_data,
6325                                 const char *fname,
6326                                 SMB_STRUCT_STAT *psbuf,
6327                                 int *pdata_return_size)
6328 {
6329         bool extended_oplock_granted = False;
6330         char *pdata = *ppdata;
6331         uint32 flags = 0;
6332         uint32 wire_open_mode = 0;
6333         uint32 raw_unixmode = 0;
6334         uint32 mod_unixmode = 0;
6335         uint32 create_disp = 0;
6336         uint32 access_mask = 0;
6337         uint32 create_options = 0;
6338         NTSTATUS status = NT_STATUS_OK;
6339         mode_t unixmode = (mode_t)0;
6340         files_struct *fsp = NULL;
6341         int oplock_request = 0;
6342         int info = 0;
6343         uint16 info_level_return = 0;
6344
6345         if (total_data < 18) {
6346                 return NT_STATUS_INVALID_PARAMETER;
6347         }
6348
6349         flags = IVAL(pdata,0);
6350         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
6351         if (oplock_request) {
6352                 oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
6353         }
6354
6355         wire_open_mode = IVAL(pdata,4);
6356
6357         if (wire_open_mode == (SMB_O_CREAT|SMB_O_DIRECTORY)) {
6358                 return smb_posix_mkdir(conn, req,
6359                                         ppdata,
6360                                         total_data,
6361                                         fname,
6362                                         psbuf,
6363                                         pdata_return_size);
6364         }
6365
6366         switch (wire_open_mode & SMB_ACCMODE) {
6367                 case SMB_O_RDONLY:
6368                         access_mask = FILE_READ_DATA;
6369                         break;
6370                 case SMB_O_WRONLY:
6371                         access_mask = FILE_WRITE_DATA;
6372                         break;
6373                 case SMB_O_RDWR:
6374                         access_mask = FILE_READ_DATA|FILE_WRITE_DATA;
6375                         break;
6376                 default:
6377                         DEBUG(5,("smb_posix_open: invalid open mode 0x%x\n",
6378                                 (unsigned int)wire_open_mode ));
6379                         return NT_STATUS_INVALID_PARAMETER;
6380         }
6381
6382         wire_open_mode &= ~SMB_ACCMODE;
6383
6384         if((wire_open_mode & (SMB_O_CREAT | SMB_O_EXCL)) == (SMB_O_CREAT | SMB_O_EXCL)) {
6385                 create_disp = FILE_CREATE;
6386         } else if((wire_open_mode & (SMB_O_CREAT | SMB_O_TRUNC)) == (SMB_O_CREAT | SMB_O_TRUNC)) {
6387                 create_disp = FILE_OVERWRITE_IF;
6388         } else if((wire_open_mode & SMB_O_CREAT) == SMB_O_CREAT) {
6389                 create_disp = FILE_OPEN_IF;
6390         } else {
6391                 DEBUG(5,("smb_posix_open: invalid create mode 0x%x\n",
6392                         (unsigned int)wire_open_mode ));
6393                 return NT_STATUS_INVALID_PARAMETER;
6394         }
6395
6396         raw_unixmode = IVAL(pdata,8);
6397         /* Next 4 bytes are not yet defined. */
6398
6399         status = unix_perms_from_wire(conn,
6400                                 psbuf,
6401                                 raw_unixmode,
6402                                 VALID_STAT(*psbuf) ? PERM_EXISTING_FILE : PERM_NEW_FILE,
6403                                 &unixmode);
6404
6405         if (!NT_STATUS_IS_OK(status)) {
6406                 return status;
6407         }
6408
6409         mod_unixmode = (uint32)unixmode | FILE_FLAG_POSIX_SEMANTICS;
6410
6411         if (wire_open_mode & SMB_O_SYNC) {
6412                 create_options |= FILE_WRITE_THROUGH;
6413         }
6414         if (wire_open_mode & SMB_O_APPEND) {
6415                 access_mask |= FILE_APPEND_DATA;
6416         }
6417         if (wire_open_mode & SMB_O_DIRECT) {
6418                 mod_unixmode |= FILE_FLAG_NO_BUFFERING;
6419         }
6420
6421         DEBUG(10,("smb_posix_open: file %s, smb_posix_flags = %u, mode 0%o\n",
6422                 fname,
6423                 (unsigned int)wire_open_mode,
6424                 (unsigned int)unixmode ));
6425
6426         status = open_file_ntcreate(conn, req,
6427                                 fname,
6428                                 psbuf,
6429                                 access_mask,
6430                                 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
6431                                 create_disp,
6432                                 0,              /* no create options yet. */
6433                                 mod_unixmode,
6434                                 oplock_request,
6435                                 &info,
6436                                 &fsp);
6437
6438         if (!NT_STATUS_IS_OK(status)) {
6439                 return status;
6440         }
6441
6442         if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
6443                 extended_oplock_granted = True;
6444         }
6445
6446         if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
6447                 extended_oplock_granted = True;
6448         }
6449
6450         info_level_return = SVAL(pdata,16);
6451
6452         /* Allocate the correct return size. */
6453
6454         if (info_level_return == SMB_QUERY_FILE_UNIX_BASIC) {
6455                 *pdata_return_size = 12 + SMB_FILE_UNIX_BASIC_SIZE;
6456         } else if (info_level_return ==  SMB_QUERY_FILE_UNIX_INFO2) {
6457                 *pdata_return_size = 12 + SMB_FILE_UNIX_INFO2_SIZE;
6458         } else {
6459                 *pdata_return_size = 12;
6460         }
6461
6462         /* Realloc the data size */
6463         *ppdata = (char *)SMB_REALLOC(*ppdata,*pdata_return_size);
6464         if (*ppdata == NULL) {
6465                 close_file(req, fsp, ERROR_CLOSE);
6466                 *pdata_return_size = 0;
6467                 return NT_STATUS_NO_MEMORY;
6468         }
6469         pdata = *ppdata;
6470
6471         if (extended_oplock_granted) {
6472                 if (flags & REQUEST_BATCH_OPLOCK) {
6473                         SSVAL(pdata,0, BATCH_OPLOCK_RETURN);
6474                 } else {
6475                         SSVAL(pdata,0, EXCLUSIVE_OPLOCK_RETURN);
6476                 }
6477         } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
6478                 SSVAL(pdata,0, LEVEL_II_OPLOCK_RETURN);
6479         } else {
6480                 SSVAL(pdata,0,NO_OPLOCK_RETURN);
6481         }
6482
6483         SSVAL(pdata,2,fsp->fnum);
6484         SIVAL(pdata,4,info); /* Was file created etc. */
6485
6486         switch (info_level_return) {
6487                 case SMB_QUERY_FILE_UNIX_BASIC:
6488                         SSVAL(pdata,8,SMB_QUERY_FILE_UNIX_BASIC);
6489                         SSVAL(pdata,10,0); /* padding. */
6490                         store_file_unix_basic(conn, pdata + 12, fsp, psbuf);
6491                         break;
6492                 case SMB_QUERY_FILE_UNIX_INFO2:
6493                         SSVAL(pdata,8,SMB_QUERY_FILE_UNIX_INFO2);
6494                         SSVAL(pdata,10,0); /* padding. */
6495                         store_file_unix_basic_info2(conn, pdata + 12, fsp, psbuf);
6496                         break;
6497                 default:
6498                         SSVAL(pdata,8,SMB_NO_INFO_LEVEL_RETURNED);
6499                         SSVAL(pdata,10,0); /* padding. */
6500                         break;
6501         }
6502         return NT_STATUS_OK;
6503 }
6504
6505 /****************************************************************************
6506  Delete a file with POSIX semantics.
6507 ****************************************************************************/
6508
6509 static NTSTATUS smb_posix_unlink(connection_struct *conn,
6510                                  struct smb_request *req,
6511                                 const char *pdata,
6512                                 int total_data,
6513                                 const char *fname,
6514                                 SMB_STRUCT_STAT *psbuf)
6515 {
6516         NTSTATUS status = NT_STATUS_OK;
6517         files_struct *fsp = NULL;
6518         uint16 flags = 0;
6519         char del = 1;
6520         int info = 0;
6521         int i;
6522         struct share_mode_lock *lck = NULL;
6523
6524         if (total_data < 2) {
6525                 return NT_STATUS_INVALID_PARAMETER;
6526         }
6527
6528         flags = SVAL(pdata,0);
6529
6530         if (!VALID_STAT(*psbuf)) {
6531                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
6532         }
6533
6534         if ((flags == SMB_POSIX_UNLINK_DIRECTORY_TARGET) &&
6535                         !VALID_STAT_OF_DIR(*psbuf)) {
6536                 return NT_STATUS_NOT_A_DIRECTORY;
6537         }
6538
6539         DEBUG(10,("smb_posix_unlink: %s %s\n",
6540                 (flags == SMB_POSIX_UNLINK_DIRECTORY_TARGET) ? "directory" : "file",
6541                 fname));
6542
6543         if (VALID_STAT_OF_DIR(*psbuf)) {
6544                 status = open_directory(conn, req,
6545                                         fname,
6546                                         psbuf,
6547                                         DELETE_ACCESS,
6548                                         FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
6549                                         FILE_OPEN,
6550                                         0,
6551                                         FILE_FLAG_POSIX_SEMANTICS|0777,
6552                                         &info,
6553                                         &fsp);
6554         } else {
6555
6556                 status = open_file_ntcreate(conn, req,
6557                                 fname,
6558                                 psbuf,
6559                                 DELETE_ACCESS,
6560                                 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
6561                                 FILE_OPEN,
6562                                 0,
6563                                 FILE_FLAG_POSIX_SEMANTICS|0777,
6564                                 0, /* No oplock, but break existing ones. */
6565                                 &info,
6566                                 &fsp);
6567         }
6568
6569         if (!NT_STATUS_IS_OK(status)) {
6570                 return status;
6571         }
6572
6573         /*
6574          * Don't lie to client. If we can't really delete due to
6575          * non-POSIX opens return SHARING_VIOLATION.
6576          */
6577
6578         lck = get_share_mode_lock(talloc_tos(), fsp->file_id, NULL, NULL,
6579                                   NULL);
6580         if (lck == NULL) {
6581                 DEBUG(0, ("smb_posix_unlink: Could not get share mode "
6582                         "lock for file %s\n", fsp->fsp_name));
6583                 close_file(req, fsp, NORMAL_CLOSE);
6584                 return NT_STATUS_INVALID_PARAMETER;
6585         }
6586
6587         /*
6588          * See if others still have the file open. If this is the case, then
6589          * don't delete. If all opens are POSIX delete we can set the delete
6590          * on close disposition.
6591          */
6592         for (i=0; i<lck->num_share_modes; i++) {
6593                 struct share_mode_entry *e = &lck->share_modes[i];
6594                 if (is_valid_share_mode_entry(e)) {
6595                         if (e->flags & SHARE_MODE_FLAG_POSIX_OPEN) {
6596                                 continue;
6597                         }
6598                         /* Fail with sharing violation. */
6599                         close_file(req, fsp, NORMAL_CLOSE);
6600                         TALLOC_FREE(lck);
6601                         return NT_STATUS_SHARING_VIOLATION;
6602                 }
6603         }
6604
6605         /*
6606          * Set the delete on close.
6607          */
6608         status = smb_set_file_disposition_info(conn,
6609                                                 &del,
6610                                                 1,
6611                                                 fsp,
6612                                                 fname,
6613                                                 psbuf);
6614
6615         if (!NT_STATUS_IS_OK(status)) {
6616                 close_file(req, fsp, NORMAL_CLOSE);
6617                 TALLOC_FREE(lck);
6618                 return status;
6619         }
6620         TALLOC_FREE(lck);
6621         return close_file(req, fsp, NORMAL_CLOSE);
6622 }
6623
6624 /****************************************************************************
6625  Reply to a TRANS2_SETFILEINFO (set file info by fileid or pathname).
6626 ****************************************************************************/
6627
6628 static void call_trans2setfilepathinfo(connection_struct *conn,
6629                                        struct smb_request *req,
6630                                        unsigned int tran_call,
6631                                        char **pparams, int total_params,
6632                                        char **ppdata, int total_data,
6633                                        unsigned int max_data_bytes)
6634 {
6635         char *params = *pparams;
6636         char *pdata = *ppdata;
6637         uint16 info_level;
6638         SMB_STRUCT_STAT sbuf;
6639         char *fname = NULL;
6640         files_struct *fsp = NULL;
6641         NTSTATUS status = NT_STATUS_OK;
6642         int data_return_size = 0;
6643         TALLOC_CTX *ctx = talloc_tos();
6644
6645         if (!params) {
6646                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
6647                 return;
6648         }
6649
6650         ZERO_STRUCT(sbuf);
6651
6652         if (tran_call == TRANSACT2_SETFILEINFO) {
6653                 if (total_params < 4) {
6654                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
6655                         return;
6656                 }
6657
6658                 fsp = file_fsp(req, SVAL(params,0));
6659                 /* Basic check for non-null fsp. */
6660                 if (!check_fsp_open(conn, req, fsp)) {
6661                         return;
6662                 }
6663                 info_level = SVAL(params,2);
6664
6665                 fname = talloc_strdup(talloc_tos(),fsp->fsp_name);
6666                 if (!fname) {
6667                         reply_nterror(req, NT_STATUS_NO_MEMORY);
6668                         return;
6669                 }
6670
6671                 if(fsp->is_directory || fsp->fh->fd == -1) {
6672                         /*
6673                          * This is actually a SETFILEINFO on a directory
6674                          * handle (returned from an NT SMB). NT5.0 seems
6675                          * to do this call. JRA.
6676                          */
6677                         if (INFO_LEVEL_IS_UNIX(info_level)) {
6678                                 /* Always do lstat for UNIX calls. */
6679                                 if (SMB_VFS_LSTAT(conn,fname,&sbuf)) {
6680                                         DEBUG(3,("call_trans2setfilepathinfo: SMB_VFS_LSTAT of %s failed (%s)\n",fname,strerror(errno)));
6681                                         reply_unixerror(req,ERRDOS,ERRbadpath);
6682                                         return;
6683                                 }
6684                         } else {
6685                                 if (SMB_VFS_STAT(conn,fname,&sbuf) != 0) {
6686                                         DEBUG(3,("call_trans2setfilepathinfo: fileinfo of %s failed (%s)\n",fname,strerror(errno)));
6687                                         reply_unixerror(req,ERRDOS,ERRbadpath);
6688                                         return;
6689                                 }
6690                         }
6691                 } else if (fsp->print_file) {
6692                         /*
6693                          * Doing a DELETE_ON_CLOSE should cancel a print job.
6694                          */
6695                         if ((info_level == SMB_SET_FILE_DISPOSITION_INFO) && CVAL(pdata,0)) {
6696                                 fsp->fh->private_options |= FILE_DELETE_ON_CLOSE;
6697
6698                                 DEBUG(3,("call_trans2setfilepathinfo: Cancelling print job (%s)\n", fsp->fsp_name ));
6699
6700                                 SSVAL(params,0,0);
6701                                 send_trans2_replies(conn, req, params, 2,
6702                                                     *ppdata, 0,
6703                                                     max_data_bytes);
6704                                 return;
6705                         } else {
6706                                 reply_unixerror(req, ERRDOS, ERRbadpath);
6707                                 return;
6708                         }
6709                 } else {
6710                         /*
6711                          * Original code - this is an open file.
6712                          */
6713                         if (!check_fsp(conn, req, fsp)) {
6714                                 return;
6715                         }
6716
6717                         if (SMB_VFS_FSTAT(fsp, &sbuf) != 0) {
6718                                 DEBUG(3,("call_trans2setfilepathinfo: fstat of fnum %d failed (%s)\n",fsp->fnum, strerror(errno)));
6719                                 reply_unixerror(req, ERRDOS, ERRbadfid);
6720                                 return;
6721                         }
6722                 }
6723         } else {
6724                 /* set path info */
6725                 if (total_params < 7) {
6726                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
6727                         return;
6728                 }
6729
6730                 info_level = SVAL(params,0);
6731                 srvstr_get_path(ctx, params, req->flags2, &fname, &params[6],
6732                                 total_params - 6, STR_TERMINATE,
6733                                 &status);
6734                 if (!NT_STATUS_IS_OK(status)) {
6735                         reply_nterror(req, status);
6736                         return;
6737                 }
6738
6739                 status = resolve_dfspath(ctx, conn,
6740                                          req->flags2 & FLAGS2_DFS_PATHNAMES,
6741                                          fname,
6742                                          &fname);
6743                 if (!NT_STATUS_IS_OK(status)) {
6744                         if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
6745                                 reply_botherror(req,
6746                                                 NT_STATUS_PATH_NOT_COVERED,
6747                                                 ERRSRV, ERRbadpath);
6748                                 return;
6749                         }
6750                         reply_nterror(req, status);
6751                         return;
6752                 }
6753
6754                 status = unix_convert(ctx, conn, fname, False,
6755                                 &fname, NULL, &sbuf);
6756                 if (!NT_STATUS_IS_OK(status)) {
6757                         reply_nterror(req, status);
6758                         return;
6759                 }
6760
6761                 status = check_name(conn, fname);
6762                 if (!NT_STATUS_IS_OK(status)) {
6763                         reply_nterror(req, status);
6764                         return;
6765                 }
6766
6767                 if (INFO_LEVEL_IS_UNIX(info_level)) {
6768                         /*
6769                          * For CIFS UNIX extensions the target name may not exist.
6770                          */
6771
6772                         /* Always do lstat for UNIX calls. */
6773                         SMB_VFS_LSTAT(conn,fname,&sbuf);
6774
6775                 } else if (!VALID_STAT(sbuf) && SMB_VFS_STAT(conn,fname,&sbuf)) {
6776                         DEBUG(3,("call_trans2setfilepathinfo: SMB_VFS_STAT of %s failed (%s)\n",fname,strerror(errno)));
6777                         reply_unixerror(req, ERRDOS, ERRbadpath);
6778                         return;
6779                 }
6780         }
6781
6782         if (!CAN_WRITE(conn)) {
6783                 reply_doserror(req, ERRSRV, ERRaccess);
6784                 return;
6785         }
6786
6787         if (INFO_LEVEL_IS_UNIX(info_level) && !lp_unix_extensions()) {
6788                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
6789                 return;
6790         }
6791
6792         DEBUG(3,("call_trans2setfilepathinfo(%d) %s (fnum %d) info_level=%d totdata=%d\n",
6793                 tran_call,fname, fsp ? fsp->fnum : -1, info_level,total_data));
6794
6795         /* Realloc the parameter size */
6796         *pparams = (char *)SMB_REALLOC(*pparams,2);
6797         if (*pparams == NULL) {
6798                 reply_nterror(req, NT_STATUS_NO_MEMORY);
6799                 return;
6800         }
6801         params = *pparams;
6802
6803         SSVAL(params,0,0);
6804
6805         switch (info_level) {
6806
6807                 case SMB_INFO_STANDARD:
6808                 {
6809                         status = smb_set_info_standard(conn,
6810                                         pdata,
6811                                         total_data,
6812                                         fsp,
6813                                         fname,
6814                                         &sbuf);
6815                         break;
6816                 }
6817
6818                 case SMB_INFO_SET_EA:
6819                 {
6820                         status = smb_info_set_ea(conn,
6821                                                 pdata,
6822                                                 total_data,
6823                                                 fsp,
6824                                                 fname);
6825                         break;
6826                 }
6827
6828                 case SMB_SET_FILE_BASIC_INFO:
6829                 case SMB_FILE_BASIC_INFORMATION:
6830                 {
6831                         status = smb_set_file_basic_info(conn,
6832                                                         pdata,
6833                                                         total_data,
6834                                                         fsp,
6835                                                         fname,
6836                                                         &sbuf);
6837                         break;
6838                 }
6839
6840                 case SMB_FILE_ALLOCATION_INFORMATION:
6841                 case SMB_SET_FILE_ALLOCATION_INFO:
6842                 {
6843                         status = smb_set_file_allocation_info(conn, req,
6844                                                                 pdata,
6845                                                                 total_data,
6846                                                                 fsp,
6847                                                                 fname,
6848                                                                 &sbuf);
6849                         break;
6850                 }
6851
6852                 case SMB_FILE_END_OF_FILE_INFORMATION:
6853                 case SMB_SET_FILE_END_OF_FILE_INFO:
6854                 {
6855                         status = smb_set_file_end_of_file_info(conn, req,
6856                                                                 pdata,
6857                                                                 total_data,
6858                                                                 fsp,
6859                                                                 fname,
6860                                                                 &sbuf);
6861                         break;
6862                 }
6863
6864                 case SMB_FILE_DISPOSITION_INFORMATION:
6865                 case SMB_SET_FILE_DISPOSITION_INFO: /* Set delete on close for open file. */
6866                 {
6867 #if 0
6868                         /* JRA - We used to just ignore this on a path ?
6869                          * Shouldn't this be invalid level on a pathname
6870                          * based call ?
6871                          */
6872                         if (tran_call != TRANSACT2_SETFILEINFO) {
6873                                 return ERROR_NT(NT_STATUS_INVALID_LEVEL);
6874                         }
6875 #endif
6876                         status = smb_set_file_disposition_info(conn,
6877                                                 pdata,
6878                                                 total_data,
6879                                                 fsp,
6880                                                 fname,
6881                                                 &sbuf);
6882                         break;
6883                 }
6884
6885                 case SMB_FILE_POSITION_INFORMATION:
6886                 {
6887                         status = smb_file_position_information(conn,
6888                                                 pdata,
6889                                                 total_data,
6890                                                 fsp);
6891                         break;
6892                 }
6893
6894                 /* From tridge Samba4 :
6895                  * MODE_INFORMATION in setfileinfo (I have no
6896                  * idea what "mode information" on a file is - it takes a value of 0,
6897                  * 2, 4 or 6. What could it be?).
6898                  */
6899
6900                 case SMB_FILE_MODE_INFORMATION:
6901                 {
6902                         status = smb_file_mode_information(conn,
6903                                                 pdata,
6904                                                 total_data);
6905                         break;
6906                 }
6907
6908                 /*
6909                  * CIFS UNIX extensions.
6910                  */
6911
6912                 case SMB_SET_FILE_UNIX_BASIC:
6913                 {
6914                         status = smb_set_file_unix_basic(conn, req,
6915                                                         pdata,
6916                                                         total_data,
6917                                                         fsp,
6918                                                         fname,
6919                                                         &sbuf);
6920                         break;
6921                 }
6922
6923                 case SMB_SET_FILE_UNIX_INFO2:
6924                 {
6925                         status = smb_set_file_unix_info2(conn, req,
6926                                                         pdata,
6927                                                         total_data,
6928                                                         fsp,
6929                                                         fname,
6930                                                         &sbuf);
6931                         break;
6932                 }
6933
6934                 case SMB_SET_FILE_UNIX_LINK:
6935                 {
6936                         if (tran_call != TRANSACT2_SETPATHINFO) {
6937                                 /* We must have a pathname for this. */
6938                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
6939                                 return;
6940                         }
6941                         status = smb_set_file_unix_link(conn, req, pdata,
6942                                                         total_data, fname);
6943                         break;
6944                 }
6945
6946                 case SMB_SET_FILE_UNIX_HLINK:
6947                 {
6948                         if (tran_call != TRANSACT2_SETPATHINFO) {
6949                                 /* We must have a pathname for this. */
6950                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
6951                                 return;
6952                         }
6953                         status = smb_set_file_unix_hlink(conn, req,
6954                                                          pdata, total_data,
6955                                                          fname);
6956                         break;
6957                 }
6958
6959                 case SMB_FILE_RENAME_INFORMATION:
6960                 {
6961                         status = smb_file_rename_information(conn, req,
6962                                                              pdata, total_data,
6963                                                              fsp, fname);
6964                         break;
6965                 }
6966
6967 #if defined(HAVE_POSIX_ACLS)
6968                 case SMB_SET_POSIX_ACL:
6969                 {
6970                         status = smb_set_posix_acl(conn,
6971                                                 pdata,
6972                                                 total_data,
6973                                                 fsp,
6974                                                 fname,
6975                                                 &sbuf);
6976                         break;
6977                 }
6978 #endif
6979
6980                 case SMB_SET_POSIX_LOCK:
6981                 {
6982                         if (tran_call != TRANSACT2_SETFILEINFO) {
6983                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
6984                                 return;
6985                         }
6986                         status = smb_set_posix_lock(conn, req,
6987                                                     pdata, total_data, fsp);
6988                         break;
6989                 }
6990
6991                 case SMB_POSIX_PATH_OPEN:
6992                 {
6993                         if (tran_call != TRANSACT2_SETPATHINFO) {
6994                                 /* We must have a pathname for this. */
6995                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
6996                                 return;
6997                         }
6998
6999                         status = smb_posix_open(conn, req,
7000                                                 ppdata,
7001                                                 total_data,
7002                                                 fname,
7003                                                 &sbuf,
7004                                                 &data_return_size);
7005                         break;
7006                 }
7007
7008                 case SMB_POSIX_PATH_UNLINK:
7009                 {
7010                         if (tran_call != TRANSACT2_SETPATHINFO) {
7011                                 /* We must have a pathname for this. */
7012                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
7013                                 return;
7014                         }
7015
7016                         status = smb_posix_unlink(conn, req,
7017                                                 pdata,
7018                                                 total_data,
7019                                                 fname,
7020                                                 &sbuf);
7021                         break;
7022                 }
7023
7024                 default:
7025                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
7026                         return;
7027         }
7028
7029
7030         if (!NT_STATUS_IS_OK(status)) {
7031                 if (open_was_deferred(req->mid)) {
7032                         /* We have re-scheduled this call. */
7033                         return;
7034                 }
7035                 if (blocking_lock_was_deferred(req->mid)) {
7036                         /* We have re-scheduled this call. */
7037                         return;
7038                 }
7039                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
7040                         reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
7041                                         ERRSRV, ERRbadpath);
7042                         return;
7043                 }
7044                 if (info_level == SMB_POSIX_PATH_OPEN) {
7045                         reply_openerror(req, status);
7046                         return;
7047                 }
7048
7049                 reply_nterror(req, status);
7050                 return;
7051         }
7052
7053         SSVAL(params,0,0);
7054         send_trans2_replies(conn, req, params, 2, *ppdata, data_return_size,
7055                             max_data_bytes);
7056
7057         return;
7058 }
7059
7060 /****************************************************************************
7061  Reply to a TRANS2_MKDIR (make directory with extended attributes).
7062 ****************************************************************************/
7063
7064 static void call_trans2mkdir(connection_struct *conn, struct smb_request *req,
7065                              char **pparams, int total_params,
7066                              char **ppdata, int total_data,
7067                              unsigned int max_data_bytes)
7068 {
7069         char *params = *pparams;
7070         char *pdata = *ppdata;
7071         char *directory = NULL;
7072         SMB_STRUCT_STAT sbuf;
7073         NTSTATUS status = NT_STATUS_OK;
7074         struct ea_list *ea_list = NULL;
7075         TALLOC_CTX *ctx = talloc_tos();
7076
7077         if (!CAN_WRITE(conn)) {
7078                 reply_doserror(req, ERRSRV, ERRaccess);
7079                 return;
7080         }
7081
7082         if (total_params < 5) {
7083                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7084                 return;
7085         }
7086
7087         srvstr_get_path(ctx, params, req->flags2, &directory, &params[4],
7088                         total_params - 4, STR_TERMINATE,
7089                         &status);
7090         if (!NT_STATUS_IS_OK(status)) {
7091                 reply_nterror(req, status);
7092                 return;
7093         }
7094
7095         DEBUG(3,("call_trans2mkdir : name = %s\n", directory));
7096
7097         status = unix_convert(ctx, conn, directory, False, &directory, NULL, &sbuf);
7098         if (!NT_STATUS_IS_OK(status)) {
7099                 reply_nterror(req, status);
7100                 return;
7101         }
7102
7103         status = check_name(conn, directory);
7104         if (!NT_STATUS_IS_OK(status)) {
7105                 DEBUG(5,("call_trans2mkdir error (%s)\n", nt_errstr(status)));
7106                 reply_nterror(req, status);
7107                 return;
7108         }
7109
7110         /* Any data in this call is an EA list. */
7111         if (total_data && (total_data != 4) && !lp_ea_support(SNUM(conn))) {
7112                 reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
7113                 return;
7114         }
7115
7116         /*
7117          * OS/2 workplace shell seems to send SET_EA requests of "null"
7118          * length (4 bytes containing IVAL 4).
7119          * They seem to have no effect. Bug #3212. JRA.
7120          */
7121
7122         if (total_data != 4) {
7123                 if (total_data < 10) {
7124                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7125                         return;
7126                 }
7127
7128                 if (IVAL(pdata,0) > total_data) {
7129                         DEBUG(10,("call_trans2mkdir: bad total data size (%u) > %u\n",
7130                                 IVAL(pdata,0), (unsigned int)total_data));
7131                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7132                         return;
7133                 }
7134
7135                 ea_list = read_ea_list(talloc_tos(), pdata + 4,
7136                                        total_data - 4);
7137                 if (!ea_list) {
7138                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7139                         return;
7140                 }
7141         }
7142         /* If total_data == 4 Windows doesn't care what values
7143          * are placed in that field, it just ignores them.
7144          * The System i QNTC IBM SMB client puts bad values here,
7145          * so ignore them. */
7146
7147         status = create_directory(conn, req, directory);
7148
7149         if (!NT_STATUS_IS_OK(status)) {
7150                 reply_nterror(req, status);
7151                 return;
7152         }
7153
7154         /* Try and set any given EA. */
7155         if (ea_list) {
7156                 status = set_ea(conn, NULL, directory, ea_list);
7157                 if (!NT_STATUS_IS_OK(status)) {
7158                         reply_nterror(req, status);
7159                         return;
7160                 }
7161         }
7162
7163         /* Realloc the parameter and data sizes */
7164         *pparams = (char *)SMB_REALLOC(*pparams,2);
7165         if(*pparams == NULL) {
7166                 reply_nterror(req, NT_STATUS_NO_MEMORY);
7167                 return;
7168         }
7169         params = *pparams;
7170
7171         SSVAL(params,0,0);
7172
7173         send_trans2_replies(conn, req, params, 2, *ppdata, 0, max_data_bytes);
7174
7175         return;
7176 }
7177
7178 /****************************************************************************
7179  Reply to a TRANS2_FINDNOTIFYFIRST (start monitoring a directory for changes).
7180  We don't actually do this - we just send a null response.
7181 ****************************************************************************/
7182
7183 static void call_trans2findnotifyfirst(connection_struct *conn,
7184                                        struct smb_request *req,
7185                                        char **pparams, int total_params,
7186                                        char **ppdata, int total_data,
7187                                        unsigned int max_data_bytes)
7188 {
7189         static uint16 fnf_handle = 257;
7190         char *params = *pparams;
7191         uint16 info_level;
7192
7193         if (total_params < 6) {
7194                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7195                 return;
7196         }
7197
7198         info_level = SVAL(params,4);
7199         DEBUG(3,("call_trans2findnotifyfirst - info_level %d\n", info_level));
7200
7201         switch (info_level) {
7202                 case 1:
7203                 case 2:
7204                         break;
7205                 default:
7206                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
7207                         return;
7208         }
7209
7210         /* Realloc the parameter and data sizes */
7211         *pparams = (char *)SMB_REALLOC(*pparams,6);
7212         if (*pparams == NULL) {
7213                 reply_nterror(req, NT_STATUS_NO_MEMORY);
7214                 return;
7215         }
7216         params = *pparams;
7217
7218         SSVAL(params,0,fnf_handle);
7219         SSVAL(params,2,0); /* No changes */
7220         SSVAL(params,4,0); /* No EA errors */
7221
7222         fnf_handle++;
7223
7224         if(fnf_handle == 0)
7225                 fnf_handle = 257;
7226
7227         send_trans2_replies(conn, req, params, 6, *ppdata, 0, max_data_bytes);
7228
7229         return;
7230 }
7231
7232 /****************************************************************************
7233  Reply to a TRANS2_FINDNOTIFYNEXT (continue monitoring a directory for
7234  changes). Currently this does nothing.
7235 ****************************************************************************/
7236
7237 static void call_trans2findnotifynext(connection_struct *conn,
7238                                       struct smb_request *req,
7239                                       char **pparams, int total_params,
7240                                       char **ppdata, int total_data,
7241                                       unsigned int max_data_bytes)
7242 {
7243         char *params = *pparams;
7244
7245         DEBUG(3,("call_trans2findnotifynext\n"));
7246
7247         /* Realloc the parameter and data sizes */
7248         *pparams = (char *)SMB_REALLOC(*pparams,4);
7249         if (*pparams == NULL) {
7250                 reply_nterror(req, NT_STATUS_NO_MEMORY);
7251                 return;
7252         }
7253         params = *pparams;
7254
7255         SSVAL(params,0,0); /* No changes */
7256         SSVAL(params,2,0); /* No EA errors */
7257
7258         send_trans2_replies(conn, req, params, 4, *ppdata, 0, max_data_bytes);
7259
7260         return;
7261 }
7262
7263 /****************************************************************************
7264  Reply to a TRANS2_GET_DFS_REFERRAL - Shirish Kalele <kalele@veritas.com>.
7265 ****************************************************************************/
7266
7267 static void call_trans2getdfsreferral(connection_struct *conn,
7268                                       struct smb_request *req,
7269                                       char **pparams, int total_params,
7270                                       char **ppdata, int total_data,
7271                                       unsigned int max_data_bytes)
7272 {
7273         char *params = *pparams;
7274         char *pathname = NULL;
7275         int reply_size = 0;
7276         int max_referral_level;
7277         NTSTATUS status = NT_STATUS_OK;
7278         TALLOC_CTX *ctx = talloc_tos();
7279
7280         DEBUG(10,("call_trans2getdfsreferral\n"));
7281
7282         if (total_params < 3) {
7283                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7284                 return;
7285         }
7286
7287         max_referral_level = SVAL(params,0);
7288
7289         if(!lp_host_msdfs()) {
7290                 reply_doserror(req, ERRDOS, ERRbadfunc);
7291                 return;
7292         }
7293
7294         srvstr_pull_talloc(ctx, params, req->flags2, &pathname, &params[2],
7295                     total_params - 2, STR_TERMINATE);
7296         if (!pathname) {
7297                 reply_nterror(req, NT_STATUS_NOT_FOUND);
7298                 return;
7299         }
7300         if((reply_size = setup_dfs_referral(conn, pathname, max_referral_level,
7301                                             ppdata,&status)) < 0) {
7302                 reply_nterror(req, status);
7303                 return;
7304         }
7305
7306         SSVAL(req->inbuf, smb_flg2,
7307               SVAL(req->inbuf,smb_flg2) | FLAGS2_DFS_PATHNAMES);
7308         send_trans2_replies(conn, req,0,0,*ppdata,reply_size, max_data_bytes);
7309
7310         return;
7311 }
7312
7313 #define LMCAT_SPL       0x53
7314 #define LMFUNC_GETJOBID 0x60
7315
7316 /****************************************************************************
7317  Reply to a TRANS2_IOCTL - used for OS/2 printing.
7318 ****************************************************************************/
7319
7320 static void call_trans2ioctl(connection_struct *conn,
7321                              struct smb_request *req,
7322                              char **pparams, int total_params,
7323                              char **ppdata, int total_data,
7324                              unsigned int max_data_bytes)
7325 {
7326         char *pdata = *ppdata;
7327         files_struct *fsp = file_fsp(req, SVAL(req->vwv+15, 0));
7328
7329         /* check for an invalid fid before proceeding */
7330
7331         if (!fsp) {
7332                 reply_doserror(req, ERRDOS, ERRbadfid);
7333                 return;
7334         }
7335
7336         if ((SVAL(req->vwv+16, 0) == LMCAT_SPL)
7337             && (SVAL(req->vwv+17, 0) == LMFUNC_GETJOBID)) {
7338                 *ppdata = (char *)SMB_REALLOC(*ppdata, 32);
7339                 if (*ppdata == NULL) {
7340                         reply_nterror(req, NT_STATUS_NO_MEMORY);
7341                         return;
7342                 }
7343                 pdata = *ppdata;
7344
7345                 /* NOTE - THIS IS ASCII ONLY AT THE MOMENT - NOT SURE IF OS/2
7346                         CAN ACCEPT THIS IN UNICODE. JRA. */
7347
7348                 SSVAL(pdata,0,fsp->rap_print_jobid);                     /* Job number */
7349                 srvstr_push(pdata, req->flags2, pdata + 2,
7350                             global_myname(), 15,
7351                             STR_ASCII|STR_TERMINATE); /* Our NetBIOS name */
7352                 srvstr_push(pdata, req->flags2, pdata+18,
7353                             lp_servicename(SNUM(conn)), 13,
7354                             STR_ASCII|STR_TERMINATE); /* Service name */
7355                 send_trans2_replies(conn, req, *pparams, 0, *ppdata, 32,
7356                                     max_data_bytes);
7357                 return;
7358         }
7359
7360         DEBUG(2,("Unknown TRANS2_IOCTL\n"));
7361         reply_doserror(req, ERRSRV, ERRerror);
7362 }
7363
7364 /****************************************************************************
7365  Reply to a SMBfindclose (stop trans2 directory search).
7366 ****************************************************************************/
7367
7368 void reply_findclose(struct smb_request *req)
7369 {
7370         int dptr_num;
7371
7372         START_PROFILE(SMBfindclose);
7373
7374         if (req->wct < 1) {
7375                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7376                 END_PROFILE(SMBfindclose);
7377                 return;
7378         }
7379
7380         dptr_num = SVALS(req->vwv+0, 0);
7381
7382         DEBUG(3,("reply_findclose, dptr_num = %d\n", dptr_num));
7383
7384         dptr_close(&dptr_num);
7385
7386         reply_outbuf(req, 0, 0);
7387
7388         DEBUG(3,("SMBfindclose dptr_num = %d\n", dptr_num));
7389
7390         END_PROFILE(SMBfindclose);
7391         return;
7392 }
7393
7394 /****************************************************************************
7395  Reply to a SMBfindnclose (stop FINDNOTIFYFIRST directory search).
7396 ****************************************************************************/
7397
7398 void reply_findnclose(struct smb_request *req)
7399 {
7400         int dptr_num;
7401
7402         START_PROFILE(SMBfindnclose);
7403
7404         if (req->wct < 1) {
7405                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7406                 END_PROFILE(SMBfindnclose);
7407                 return;
7408         }
7409
7410         dptr_num = SVAL(req->vwv+0, 0);
7411
7412         DEBUG(3,("reply_findnclose, dptr_num = %d\n", dptr_num));
7413
7414         /* We never give out valid handles for a
7415            findnotifyfirst - so any dptr_num is ok here.
7416            Just ignore it. */
7417
7418         reply_outbuf(req, 0, 0);
7419
7420         DEBUG(3,("SMB_findnclose dptr_num = %d\n", dptr_num));
7421
7422         END_PROFILE(SMBfindnclose);
7423         return;
7424 }
7425
7426 static void handle_trans2(connection_struct *conn, struct smb_request *req,
7427                           struct trans_state *state)
7428 {
7429         if (Protocol >= PROTOCOL_NT1) {
7430                 req->flags2 |= 0x40; /* IS_LONG_NAME */
7431                 SSVAL(req->inbuf,smb_flg2,req->flags2);
7432         }
7433
7434         if (conn->encrypt_level == Required && !req->encrypted) {
7435                 if (state->call != TRANSACT2_QFSINFO &&
7436                                 state->call != TRANSACT2_SETFSINFO) {
7437                         DEBUG(0,("handle_trans2: encryption required "
7438                                 "with call 0x%x\n",
7439                                 (unsigned int)state->call));
7440                         reply_nterror(req, NT_STATUS_ACCESS_DENIED);
7441                         return;
7442                 }
7443         }
7444
7445         /* Now we must call the relevant TRANS2 function */
7446         switch(state->call)  {
7447         case TRANSACT2_OPEN:
7448         {
7449                 START_PROFILE(Trans2_open);
7450                 call_trans2open(conn, req,
7451                                 &state->param, state->total_param,
7452                                 &state->data, state->total_data,
7453                                 state->max_data_return);
7454                 END_PROFILE(Trans2_open);
7455                 break;
7456         }
7457
7458         case TRANSACT2_FINDFIRST:
7459         {
7460                 START_PROFILE(Trans2_findfirst);
7461                 call_trans2findfirst(conn, req,
7462                                      &state->param, state->total_param,
7463                                      &state->data, state->total_data,
7464                                      state->max_data_return);
7465                 END_PROFILE(Trans2_findfirst);
7466                 break;
7467         }
7468
7469         case TRANSACT2_FINDNEXT:
7470         {
7471                 START_PROFILE(Trans2_findnext);
7472                 call_trans2findnext(conn, req,
7473                                     &state->param, state->total_param,
7474                                     &state->data, state->total_data,
7475                                     state->max_data_return);
7476                 END_PROFILE(Trans2_findnext);
7477                 break;
7478         }
7479
7480         case TRANSACT2_QFSINFO:
7481         {
7482                 START_PROFILE(Trans2_qfsinfo);
7483                 call_trans2qfsinfo(conn, req,
7484                                    &state->param, state->total_param,
7485                                    &state->data, state->total_data,
7486                                    state->max_data_return);
7487                 END_PROFILE(Trans2_qfsinfo);
7488             break;
7489         }
7490
7491         case TRANSACT2_SETFSINFO:
7492         {
7493                 START_PROFILE(Trans2_setfsinfo);
7494                 call_trans2setfsinfo(conn, req,
7495                                      &state->param, state->total_param,
7496                                      &state->data, state->total_data,
7497                                      state->max_data_return);
7498                 END_PROFILE(Trans2_setfsinfo);
7499                 break;
7500         }
7501
7502         case TRANSACT2_QPATHINFO:
7503         case TRANSACT2_QFILEINFO:
7504         {
7505                 START_PROFILE(Trans2_qpathinfo);
7506                 call_trans2qfilepathinfo(conn, req, state->call,
7507                                          &state->param, state->total_param,
7508                                          &state->data, state->total_data,
7509                                          state->max_data_return);
7510                 END_PROFILE(Trans2_qpathinfo);
7511                 break;
7512         }
7513
7514         case TRANSACT2_SETPATHINFO:
7515         case TRANSACT2_SETFILEINFO:
7516         {
7517                 START_PROFILE(Trans2_setpathinfo);
7518                 call_trans2setfilepathinfo(conn, req, state->call,
7519                                            &state->param, state->total_param,
7520                                            &state->data, state->total_data,
7521                                            state->max_data_return);
7522                 END_PROFILE(Trans2_setpathinfo);
7523                 break;
7524         }
7525
7526         case TRANSACT2_FINDNOTIFYFIRST:
7527         {
7528                 START_PROFILE(Trans2_findnotifyfirst);
7529                 call_trans2findnotifyfirst(conn, req,
7530                                            &state->param, state->total_param,
7531                                            &state->data, state->total_data,
7532                                            state->max_data_return);
7533                 END_PROFILE(Trans2_findnotifyfirst);
7534                 break;
7535         }
7536
7537         case TRANSACT2_FINDNOTIFYNEXT:
7538         {
7539                 START_PROFILE(Trans2_findnotifynext);
7540                 call_trans2findnotifynext(conn, req,
7541                                           &state->param, state->total_param,
7542                                           &state->data, state->total_data,
7543                                           state->max_data_return);
7544                 END_PROFILE(Trans2_findnotifynext);
7545                 break;
7546         }
7547
7548         case TRANSACT2_MKDIR:
7549         {
7550                 START_PROFILE(Trans2_mkdir);
7551                 call_trans2mkdir(conn, req,
7552                                  &state->param, state->total_param,
7553                                  &state->data, state->total_data,
7554                                  state->max_data_return);
7555                 END_PROFILE(Trans2_mkdir);
7556                 break;
7557         }
7558
7559         case TRANSACT2_GET_DFS_REFERRAL:
7560         {
7561                 START_PROFILE(Trans2_get_dfs_referral);
7562                 call_trans2getdfsreferral(conn, req,
7563                                           &state->param, state->total_param,
7564                                           &state->data, state->total_data,
7565                                           state->max_data_return);
7566                 END_PROFILE(Trans2_get_dfs_referral);
7567                 break;
7568         }
7569
7570         case TRANSACT2_IOCTL:
7571         {
7572                 START_PROFILE(Trans2_ioctl);
7573                 call_trans2ioctl(conn, req,
7574                                  &state->param, state->total_param,
7575                                  &state->data, state->total_data,
7576                                  state->max_data_return);
7577                 END_PROFILE(Trans2_ioctl);
7578                 break;
7579         }
7580
7581         default:
7582                 /* Error in request */
7583                 DEBUG(2,("Unknown request %d in trans2 call\n", state->call));
7584                 reply_doserror(req, ERRSRV,ERRerror);
7585         }
7586 }
7587
7588 /****************************************************************************
7589  Reply to a SMBtrans2.
7590  ****************************************************************************/
7591
7592 void reply_trans2(struct smb_request *req)
7593 {
7594         connection_struct *conn = req->conn;
7595         unsigned int dsoff;
7596         unsigned int dscnt;
7597         unsigned int psoff;
7598         unsigned int pscnt;
7599         unsigned int tran_call;
7600         struct trans_state *state;
7601         NTSTATUS result;
7602
7603         START_PROFILE(SMBtrans2);
7604
7605         if (req->wct < 14) {
7606                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7607                 END_PROFILE(SMBtrans2);
7608                 return;
7609         }
7610
7611         dsoff = SVAL(req->vwv+12, 0);
7612         dscnt = SVAL(req->vwv+11, 0);
7613         psoff = SVAL(req->vwv+10, 0);
7614         pscnt = SVAL(req->vwv+9, 0);
7615         tran_call = SVAL(req->vwv+14, 0);
7616
7617         result = allow_new_trans(conn->pending_trans, req->mid);
7618         if (!NT_STATUS_IS_OK(result)) {
7619                 DEBUG(2, ("Got invalid trans2 request: %s\n",
7620                           nt_errstr(result)));
7621                 reply_nterror(req, result);
7622                 END_PROFILE(SMBtrans2);
7623                 return;
7624         }
7625
7626         if (IS_IPC(conn)) {
7627                 switch (tran_call) {
7628                 /* List the allowed trans2 calls on IPC$ */
7629                 case TRANSACT2_OPEN:
7630                 case TRANSACT2_GET_DFS_REFERRAL:
7631                 case TRANSACT2_QFILEINFO:
7632                 case TRANSACT2_QFSINFO:
7633                 case TRANSACT2_SETFSINFO:
7634                         break;
7635                 default:
7636                         reply_doserror(req, ERRSRV, ERRaccess);
7637                         END_PROFILE(SMBtrans2);
7638                         return;
7639                 }
7640         }
7641
7642         if ((state = TALLOC_P(conn, struct trans_state)) == NULL) {
7643                 DEBUG(0, ("talloc failed\n"));
7644                 reply_nterror(req, NT_STATUS_NO_MEMORY);
7645                 END_PROFILE(SMBtrans2);
7646                 return;
7647         }
7648
7649         state->cmd = SMBtrans2;
7650
7651         state->mid = req->mid;
7652         state->vuid = req->vuid;
7653         state->setup_count = SVAL(req->vwv+13, 0);
7654         state->setup = NULL;
7655         state->total_param = SVAL(req->vwv+0, 0);
7656         state->param = NULL;
7657         state->total_data =  SVAL(req->vwv+1, 0);
7658         state->data = NULL;
7659         state->max_param_return = SVAL(req->vwv+2, 0);
7660         state->max_data_return  = SVAL(req->vwv+3, 0);
7661         state->max_setup_return = SVAL(req->vwv+4, 0);
7662         state->close_on_completion = BITSETW(req->vwv+5, 0);
7663         state->one_way = BITSETW(req->vwv+5, 1);
7664
7665         state->call = tran_call;
7666
7667         /* All trans2 messages we handle have smb_sucnt == 1 - ensure this
7668            is so as a sanity check */
7669         if (state->setup_count != 1) {
7670                 /*
7671                  * Need to have rc=0 for ioctl to get job id for OS/2.
7672                  *  Network printing will fail if function is not successful.
7673                  *  Similar function in reply.c will be used if protocol
7674                  *  is LANMAN1.0 instead of LM1.2X002.
7675                  *  Until DosPrintSetJobInfo with PRJINFO3 is supported,
7676                  *  outbuf doesn't have to be set(only job id is used).
7677                  */
7678                 if ( (state->setup_count == 4)
7679                      && (tran_call == TRANSACT2_IOCTL)
7680                      && (SVAL(req->vwv+16, 0) == LMCAT_SPL)
7681                      && (SVAL(req->vwv+17, 0) == LMFUNC_GETJOBID)) {
7682                         DEBUG(2,("Got Trans2 DevIOctl jobid\n"));
7683                 } else {
7684                         DEBUG(2,("Invalid smb_sucnt in trans2 call(%u)\n",state->setup_count));
7685                         DEBUG(2,("Transaction is %d\n",tran_call));
7686                         TALLOC_FREE(state);
7687                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7688                         END_PROFILE(SMBtrans2);
7689                         return;
7690                 }
7691         }
7692
7693         if ((dscnt > state->total_data) || (pscnt > state->total_param))
7694                 goto bad_param;
7695
7696         if (state->total_data) {
7697
7698                 if (trans_oob(state->total_data, 0, dscnt)
7699                     || trans_oob(smb_len(req->inbuf), dsoff, dscnt)) {
7700                         goto bad_param;
7701                 }
7702
7703                 /* Can't use talloc here, the core routines do realloc on the
7704                  * params and data. */
7705                 state->data = (char *)SMB_MALLOC(state->total_data);
7706                 if (state->data == NULL) {
7707                         DEBUG(0,("reply_trans2: data malloc fail for %u "
7708                                  "bytes !\n", (unsigned int)state->total_data));
7709                         TALLOC_FREE(state);
7710                         reply_nterror(req, NT_STATUS_NO_MEMORY);
7711                         END_PROFILE(SMBtrans2);
7712                         return;
7713                 }
7714
7715                 memcpy(state->data,smb_base(req->inbuf)+dsoff,dscnt);
7716         }
7717
7718         if (state->total_param) {
7719
7720                 if (trans_oob(state->total_param, 0, pscnt)
7721                     || trans_oob(smb_len(req->inbuf), psoff, pscnt)) {
7722                         goto bad_param;
7723                 }
7724
7725                 /* Can't use talloc here, the core routines do realloc on the
7726                  * params and data. */
7727                 state->param = (char *)SMB_MALLOC(state->total_param);
7728                 if (state->param == NULL) {
7729                         DEBUG(0,("reply_trans: param malloc fail for %u "
7730                                  "bytes !\n", (unsigned int)state->total_param));
7731                         SAFE_FREE(state->data);
7732                         TALLOC_FREE(state);
7733                         reply_nterror(req, NT_STATUS_NO_MEMORY);
7734                         END_PROFILE(SMBtrans2);
7735                         return;
7736                 }
7737
7738                 memcpy(state->param,smb_base(req->inbuf)+psoff,pscnt);
7739         }
7740
7741         state->received_data  = dscnt;
7742         state->received_param = pscnt;
7743
7744         if ((state->received_param == state->total_param) &&
7745             (state->received_data == state->total_data)) {
7746
7747                 handle_trans2(conn, req, state);
7748
7749                 SAFE_FREE(state->data);
7750                 SAFE_FREE(state->param);
7751                 TALLOC_FREE(state);
7752                 END_PROFILE(SMBtrans2);
7753                 return;
7754         }
7755
7756         DLIST_ADD(conn->pending_trans, state);
7757
7758         /* We need to send an interim response then receive the rest
7759            of the parameter/data bytes */
7760         reply_outbuf(req, 0, 0);
7761         show_msg((char *)req->outbuf);
7762         END_PROFILE(SMBtrans2);
7763         return;
7764
7765   bad_param:
7766
7767         DEBUG(0,("reply_trans2: invalid trans parameters\n"));
7768         SAFE_FREE(state->data);
7769         SAFE_FREE(state->param);
7770         TALLOC_FREE(state);
7771         END_PROFILE(SMBtrans2);
7772         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7773 }
7774
7775
7776 /****************************************************************************
7777  Reply to a SMBtranss2
7778  ****************************************************************************/
7779
7780 void reply_transs2(struct smb_request *req)
7781 {
7782         connection_struct *conn = req->conn;
7783         unsigned int pcnt,poff,dcnt,doff,pdisp,ddisp;
7784         struct trans_state *state;
7785
7786         START_PROFILE(SMBtranss2);
7787
7788         show_msg((char *)req->inbuf);
7789
7790         if (req->wct < 8) {
7791                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7792                 END_PROFILE(SMBtranss2);
7793                 return;
7794         }
7795
7796         for (state = conn->pending_trans; state != NULL;
7797              state = state->next) {
7798                 if (state->mid == req->mid) {
7799                         break;
7800                 }
7801         }
7802
7803         if ((state == NULL) || (state->cmd != SMBtrans2)) {
7804                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7805                 END_PROFILE(SMBtranss2);
7806                 return;
7807         }
7808
7809         /* Revise state->total_param and state->total_data in case they have
7810            changed downwards */
7811
7812         if (SVAL(req->vwv+0, 0) < state->total_param)
7813                 state->total_param = SVAL(req->vwv+0, 0);
7814         if (SVAL(req->vwv+1, 0) < state->total_data)
7815                 state->total_data = SVAL(req->vwv+1, 0);
7816
7817         pcnt = SVAL(req->vwv+2, 0);
7818         poff = SVAL(req->vwv+3, 0);
7819         pdisp = SVAL(req->vwv+4, 0);
7820
7821         dcnt = SVAL(req->vwv+5, 0);
7822         doff = SVAL(req->vwv+6, 0);
7823         ddisp = SVAL(req->vwv+7, 0);
7824
7825         state->received_param += pcnt;
7826         state->received_data += dcnt;
7827
7828         if ((state->received_data > state->total_data) ||
7829             (state->received_param > state->total_param))
7830                 goto bad_param;
7831
7832         if (pcnt) {
7833                 if (trans_oob(state->total_param, pdisp, pcnt)
7834                     || trans_oob(smb_len(req->inbuf), poff, pcnt)) {
7835                         goto bad_param;
7836                 }
7837                 memcpy(state->param+pdisp,smb_base(req->inbuf)+poff,pcnt);
7838         }
7839
7840         if (dcnt) {
7841                 if (trans_oob(state->total_data, ddisp, dcnt)
7842                     || trans_oob(smb_len(req->inbuf), doff, dcnt)) {
7843                         goto bad_param;
7844                 }
7845                 memcpy(state->data+ddisp, smb_base(req->inbuf)+doff,dcnt);
7846         }
7847
7848         if ((state->received_param < state->total_param) ||
7849             (state->received_data < state->total_data)) {
7850                 END_PROFILE(SMBtranss2);
7851                 return;
7852         }
7853
7854         handle_trans2(conn, req, state);
7855
7856         DLIST_REMOVE(conn->pending_trans, state);
7857         SAFE_FREE(state->data);
7858         SAFE_FREE(state->param);
7859         TALLOC_FREE(state);
7860
7861         END_PROFILE(SMBtranss2);
7862         return;
7863
7864   bad_param:
7865
7866         DEBUG(0,("reply_transs2: invalid trans parameters\n"));
7867         DLIST_REMOVE(conn->pending_trans, state);
7868         SAFE_FREE(state->data);
7869         SAFE_FREE(state->param);
7870         TALLOC_FREE(state);
7871         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7872         END_PROFILE(SMBtranss2);
7873         return;
7874 }