source3/smbd/trans2.c

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