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_unixerror(req, ERRHRD, ERRgeneral);
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_unixerror(req, ERRHRD, ERRgeneral);
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_unixerror(req, ERRHRD, ERRgeneral);
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_unixerror(req,ERRDOS,ERRbadpath);
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_unixerror(req, ERRDOS, ERRbadpath);
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_unixerror(req, ERRDOS, ERRbadfid);
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                                         TALLOC_FREE(smb_fname_base);
4094                                         reply_unixerror(req,ERRDOS,ERRbadpath);
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                                         TALLOC_FREE(smb_fname_base);
4105                                         reply_unixerror(req,ERRDOS,ERRbadpath);
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_unixerror(req, ERRDOS, ERRbadpath);
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_unixerror(req, ERRDOS, ERRbadpath);
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_unixerror(req, ERRSRV,
4704                                                         ERRbadlink);
4705                                         return;
4706                                 }
4707 #else
4708                                 reply_unixerror(req, ERRDOS, ERRbadlink);
4709                                 return;
4710 #endif
4711                                 len = SMB_VFS_READLINK(conn,fullpathname,
4712                                                 buffer, PATH_MAX);
4713                                 if (len == -1) {
4714                                         reply_unixerror(req, ERRDOS,
4715                                                         ERRnoaccess);
4716                                         return;
4717                                 }
4718                                 buffer[len] = 0;
4719                                 len = srvstr_push(dstart, req->flags2,
4720                                                   pdata, buffer,
4721                                                   PTR_DIFF(dend, pdata),
4722                                                   STR_TERMINATE);
4723                                 pdata += len;
4724                                 data_size = PTR_DIFF(pdata,(*ppdata));
4725
4726                                 break;
4727                         }
4728
4729 #if defined(HAVE_POSIX_ACLS)
4730                 case SMB_QUERY_POSIX_ACL:
4731                         {
4732                                 SMB_ACL_T file_acl = NULL;
4733                                 SMB_ACL_T def_acl = NULL;
4734                                 uint16 num_file_acls = 0;
4735                                 uint16 num_def_acls = 0;
4736
4737                                 if (fsp && !fsp->is_directory && (fsp->fh->fd != -1)) {
4738                                         file_acl = SMB_VFS_SYS_ACL_GET_FD(fsp);
4739                                 } else {
4740                                         file_acl = SMB_VFS_SYS_ACL_GET_FILE(conn, fname, SMB_ACL_TYPE_ACCESS);
4741                                 }
4742
4743                                 if (file_acl == NULL && no_acl_syscall_error(errno)) {
4744                                         DEBUG(5,("call_trans2qfilepathinfo: ACLs not implemented on filesystem containing %s\n",
4745                                                 fname ));
4746                                         reply_nterror(
4747                                                 req,
4748                                                 NT_STATUS_NOT_IMPLEMENTED);
4749                                         return;
4750                                 }
4751
4752                                 if (S_ISDIR(sbuf.st_ex_mode)) {
4753                                         if (fsp && fsp->is_directory) {
4754                                                 def_acl = SMB_VFS_SYS_ACL_GET_FILE(conn, fsp->fsp_name, SMB_ACL_TYPE_DEFAULT);
4755                                         } else {
4756                                                 def_acl = SMB_VFS_SYS_ACL_GET_FILE(conn, fname, SMB_ACL_TYPE_DEFAULT);
4757                                         }
4758                                         def_acl = free_empty_sys_acl(conn, def_acl);
4759                                 }
4760
4761                                 num_file_acls = count_acl_entries(conn, file_acl);
4762                                 num_def_acls = count_acl_entries(conn, def_acl);
4763
4764                                 if ( data_size < (num_file_acls + num_def_acls)*SMB_POSIX_ACL_ENTRY_SIZE + SMB_POSIX_ACL_HEADER_SIZE) {
4765                                         DEBUG(5,("call_trans2qfilepathinfo: data_size too small (%u) need %u\n",
4766                                                 data_size,
4767                                                 (unsigned int)((num_file_acls + num_def_acls)*SMB_POSIX_ACL_ENTRY_SIZE +
4768                                                         SMB_POSIX_ACL_HEADER_SIZE) ));
4769                                         if (file_acl) {
4770                                                 SMB_VFS_SYS_ACL_FREE_ACL(conn, file_acl);
4771                                         }
4772                                         if (def_acl) {
4773                                                 SMB_VFS_SYS_ACL_FREE_ACL(conn, def_acl);
4774                                         }
4775                                         reply_nterror(
4776                                                 req,
4777                                                 NT_STATUS_BUFFER_TOO_SMALL);
4778                                         return;
4779                                 }
4780
4781                                 SSVAL(pdata,0,SMB_POSIX_ACL_VERSION);
4782                                 SSVAL(pdata,2,num_file_acls);
4783                                 SSVAL(pdata,4,num_def_acls);
4784                                 if (!marshall_posix_acl(conn, pdata + SMB_POSIX_ACL_HEADER_SIZE, &sbuf, file_acl)) {
4785                                         if (file_acl) {
4786                                                 SMB_VFS_SYS_ACL_FREE_ACL(conn, file_acl);
4787                                         }
4788                                         if (def_acl) {
4789                                                 SMB_VFS_SYS_ACL_FREE_ACL(conn, def_acl);
4790                                         }
4791                                         reply_nterror(
4792                                                 req, NT_STATUS_INTERNAL_ERROR);
4793                                         return;
4794                                 }
4795                                 if (!marshall_posix_acl(conn, pdata + SMB_POSIX_ACL_HEADER_SIZE + (num_file_acls*SMB_POSIX_ACL_ENTRY_SIZE), &sbuf, def_acl)) {
4796                                         if (file_acl) {
4797                                                 SMB_VFS_SYS_ACL_FREE_ACL(conn, file_acl);
4798                                         }
4799                                         if (def_acl) {
4800                                                 SMB_VFS_SYS_ACL_FREE_ACL(conn, def_acl);
4801                                         }
4802                                         reply_nterror(
4803                                                 req,
4804                                                 NT_STATUS_INTERNAL_ERROR);
4805                                         return;
4806                                 }
4807
4808                                 if (file_acl) {
4809                                         SMB_VFS_SYS_ACL_FREE_ACL(conn, file_acl);
4810                                 }
4811                                 if (def_acl) {
4812                                         SMB_VFS_SYS_ACL_FREE_ACL(conn, def_acl);
4813                                 }
4814                                 data_size = (num_file_acls + num_def_acls)*SMB_POSIX_ACL_ENTRY_SIZE + SMB_POSIX_ACL_HEADER_SIZE;
4815                                 break;
4816                         }
4817 #endif
4818
4819
4820                 case SMB_QUERY_POSIX_LOCK:
4821                 {
4822                         uint64_t count;
4823                         uint64_t offset;
4824                         uint32 lock_pid;
4825                         enum brl_type lock_type;
4826
4827                         if (total_data != POSIX_LOCK_DATA_SIZE) {
4828                                 reply_nterror(
4829                                         req, NT_STATUS_INVALID_PARAMETER);
4830                                 return;
4831                         }
4832
4833                         switch (SVAL(pdata, POSIX_LOCK_TYPE_OFFSET)) {
4834                                 case POSIX_LOCK_TYPE_READ:
4835                                         lock_type = READ_LOCK;
4836                                         break;
4837                                 case POSIX_LOCK_TYPE_WRITE:
4838                                         lock_type = WRITE_LOCK;
4839                                         break;
4840                                 case POSIX_LOCK_TYPE_UNLOCK:
4841                                 default:
4842                                         /* There's no point in asking for an unlock... */
4843                                         reply_nterror(
4844                                                 req,
4845                                                 NT_STATUS_INVALID_PARAMETER);
4846                                         return;
4847                         }
4848
4849                         lock_pid = IVAL(pdata, POSIX_LOCK_PID_OFFSET);
4850 #if defined(HAVE_LONGLONG)
4851                         offset = (((uint64_t) IVAL(pdata,(POSIX_LOCK_START_OFFSET+4))) << 32) |
4852                                         ((uint64_t) IVAL(pdata,POSIX_LOCK_START_OFFSET));
4853                         count = (((uint64_t) IVAL(pdata,(POSIX_LOCK_LEN_OFFSET+4))) << 32) |
4854                                         ((uint64_t) IVAL(pdata,POSIX_LOCK_LEN_OFFSET));
4855 #else /* HAVE_LONGLONG */
4856                         offset = (uint64_t)IVAL(pdata,POSIX_LOCK_START_OFFSET);
4857                         count = (uint64_t)IVAL(pdata,POSIX_LOCK_LEN_OFFSET);
4858 #endif /* HAVE_LONGLONG */
4859
4860                         status = query_lock(fsp,
4861                                         &lock_pid,
4862                                         &count,
4863                                         &offset,
4864                                         &lock_type,
4865                                         POSIX_LOCK);
4866
4867                         if (ERROR_WAS_LOCK_DENIED(status)) {
4868                                 /* Here we need to report who has it locked... */
4869                                 data_size = POSIX_LOCK_DATA_SIZE;
4870
4871                                 SSVAL(pdata, POSIX_LOCK_TYPE_OFFSET, lock_type);
4872                                 SSVAL(pdata, POSIX_LOCK_FLAGS_OFFSET, 0);
4873                                 SIVAL(pdata, POSIX_LOCK_PID_OFFSET, lock_pid);
4874 #if defined(HAVE_LONGLONG)
4875                                 SIVAL(pdata, POSIX_LOCK_START_OFFSET, (uint32)(offset & 0xFFFFFFFF));
4876                                 SIVAL(pdata, POSIX_LOCK_START_OFFSET + 4, (uint32)((offset >> 32) & 0xFFFFFFFF));
4877                                 SIVAL(pdata, POSIX_LOCK_LEN_OFFSET, (uint32)(count & 0xFFFFFFFF));
4878                                 SIVAL(pdata, POSIX_LOCK_LEN_OFFSET + 4, (uint32)((count >> 32) & 0xFFFFFFFF));
4879 #else /* HAVE_LONGLONG */
4880                                 SIVAL(pdata, POSIX_LOCK_START_OFFSET, offset);
4881                                 SIVAL(pdata, POSIX_LOCK_LEN_OFFSET, count);
4882 #endif /* HAVE_LONGLONG */
4883
4884                         } else if (NT_STATUS_IS_OK(status)) {
4885                                 /* For success we just return a copy of what we sent
4886                                    with the lock type set to POSIX_LOCK_TYPE_UNLOCK. */
4887                                 data_size = POSIX_LOCK_DATA_SIZE;
4888                                 memcpy(pdata, lock_data, POSIX_LOCK_DATA_SIZE);
4889                                 SSVAL(pdata, POSIX_LOCK_TYPE_OFFSET, POSIX_LOCK_TYPE_UNLOCK);
4890                         } else {
4891                                 reply_nterror(req, status);
4892                                 return;
4893                         }
4894                         break;
4895                 }
4896
4897                 default:
4898                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
4899                         return;
4900         }
4901
4902         send_trans2_replies(conn, req, params, param_size, *ppdata, data_size,
4903                             max_data_bytes);
4904
4905         return;
4906 }
4907
4908 /****************************************************************************
4909  Set a hard link (called by UNIX extensions and by NT rename with HARD link
4910  code.
4911 ****************************************************************************/
4912
4913 NTSTATUS hardlink_internals(TALLOC_CTX *ctx,
4914                 connection_struct *conn,
4915                 const struct smb_filename *smb_fname_old,
4916                 const struct smb_filename *smb_fname_new)
4917 {
4918         char *oldname = NULL;
4919         char *newname = NULL;
4920         NTSTATUS status = NT_STATUS_OK;
4921
4922         /* source must already exist. */
4923         if (!VALID_STAT(smb_fname_old->st)) {
4924                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
4925         }
4926
4927         /* Disallow if newname already exists. */
4928         if (VALID_STAT(smb_fname_new->st)) {
4929                 return NT_STATUS_OBJECT_NAME_COLLISION;
4930         }
4931
4932         /* No links from a directory. */
4933         if (S_ISDIR(smb_fname_old->st.st_ex_mode)) {
4934                 return NT_STATUS_FILE_IS_A_DIRECTORY;
4935         }
4936
4937         status = get_full_smb_filename(ctx, smb_fname_new, &newname);
4938         if (!NT_STATUS_IS_OK(status)) {
4939                 goto out;
4940         }
4941         status = get_full_smb_filename(ctx, smb_fname_old, &oldname);
4942         if (!NT_STATUS_IS_OK(status)) {
4943                 goto out;
4944         }
4945
4946         DEBUG(10,("hardlink_internals: doing hard link %s -> %s\n", newname, oldname ));
4947
4948         if (SMB_VFS_LINK(conn,oldname,newname) != 0) {
4949                 status = map_nt_error_from_unix(errno);
4950                 DEBUG(3,("hardlink_internals: Error %s hard link %s -> %s\n",
4951                                  nt_errstr(status), newname, oldname));
4952         }
4953  out:
4954         TALLOC_FREE(newname);
4955         TALLOC_FREE(oldname);
4956         return status;
4957 }
4958
4959 /****************************************************************************
4960  Deal with setting the time from any of the setfilepathinfo functions.
4961 ****************************************************************************/
4962
4963 NTSTATUS smb_set_file_time(connection_struct *conn,
4964                            files_struct *fsp,
4965                            const struct smb_filename *smb_fname,
4966                            struct smb_file_time *ft,
4967                            bool setting_write_time)
4968 {
4969         struct smb_filename *smb_fname_base = NULL;
4970         uint32 action =
4971                 FILE_NOTIFY_CHANGE_LAST_ACCESS
4972                 |FILE_NOTIFY_CHANGE_LAST_WRITE;
4973         NTSTATUS status;
4974
4975         if (!VALID_STAT(smb_fname->st)) {
4976                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
4977         }
4978
4979         /* get some defaults (no modifications) if any info is zero or -1. */
4980         if (null_timespec(ft->atime)) {
4981                 ft->atime= smb_fname->st.st_ex_atime;
4982                 action &= ~FILE_NOTIFY_CHANGE_LAST_ACCESS;
4983         }
4984
4985         if (null_timespec(ft->mtime)) {
4986                 ft->mtime = smb_fname->st.st_ex_mtime;
4987                 action &= ~FILE_NOTIFY_CHANGE_LAST_WRITE;
4988         }
4989
4990         if (!setting_write_time) {
4991                 /* ft->mtime comes from change time, not write time. */
4992                 action &= ~FILE_NOTIFY_CHANGE_LAST_WRITE;
4993         }
4994
4995         DEBUG(5,("smb_set_filetime: actime: %s\n ",
4996                 time_to_asc(convert_timespec_to_time_t(ft->atime))));
4997         DEBUG(5,("smb_set_filetime: modtime: %s\n ",
4998                 time_to_asc(convert_timespec_to_time_t(ft->mtime))));
4999         if (!null_timespec(ft->create_time)) {
5000                 DEBUG(5,("smb_set_file_time: createtime: %s\n ",
5001                    time_to_asc(convert_timespec_to_time_t(ft->create_time))));
5002         }
5003
5004         /*
5005          * Try and set the times of this file if
5006          * they are different from the current values.
5007          */
5008
5009         {
5010                 struct timespec mts = smb_fname->st.st_ex_mtime;
5011                 struct timespec ats = smb_fname->st.st_ex_atime;
5012                 if ((timespec_compare(&ft->atime, &ats) == 0) &&
5013                     (timespec_compare(&ft->mtime, &mts) == 0)) {
5014                         return NT_STATUS_OK;
5015                 }
5016         }
5017
5018         if (setting_write_time) {
5019                 /*
5020                  * This was a Windows setfileinfo on an open file.
5021                  * NT does this a lot. We also need to
5022                  * set the time here, as it can be read by
5023                  * FindFirst/FindNext and with the patch for bug #2045
5024                  * in smbd/fileio.c it ensures that this timestamp is
5025                  * kept sticky even after a write. We save the request
5026                  * away and will set it on file close and after a write. JRA.
5027                  */
5028
5029                 DEBUG(10,("smb_set_file_time: setting pending modtime to %s\n",
5030                           time_to_asc(convert_timespec_to_time_t(ft->mtime))));
5031
5032                 if (fsp != NULL) {
5033                         if (fsp->base_fsp) {
5034                                 set_sticky_write_time_fsp(fsp->base_fsp,
5035                                                           ft->mtime);
5036                         } else {
5037                                 set_sticky_write_time_fsp(fsp, ft->mtime);
5038                         }
5039                 } else {
5040                         set_sticky_write_time_path(
5041                                 vfs_file_id_from_sbuf(conn, &smb_fname->st),
5042                                 ft->mtime);
5043                 }
5044         }
5045
5046         DEBUG(10,("smb_set_file_time: setting utimes to modified values.\n"));
5047
5048         /* Always call ntimes on the base, even if a stream was passed in. */
5049         status = create_synthetic_smb_fname(talloc_tos(), smb_fname->base_name,
5050                                             NULL, &smb_fname->st,
5051                                             &smb_fname_base);
5052         if (!NT_STATUS_IS_OK(status)) {
5053                 return status;
5054         }
5055
5056         if(file_ntimes(conn, smb_fname_base, ft)!=0) {
5057                 TALLOC_FREE(smb_fname_base);
5058                 return map_nt_error_from_unix(errno);
5059         }
5060         TALLOC_FREE(smb_fname_base);
5061
5062         notify_fname(conn, NOTIFY_ACTION_MODIFIED, action,
5063                      smb_fname->base_name);
5064         return NT_STATUS_OK;
5065 }
5066
5067 /****************************************************************************
5068  Deal with setting the dosmode from any of the setfilepathinfo functions.
5069 ****************************************************************************/
5070
5071 static NTSTATUS smb_set_file_dosmode(connection_struct *conn,
5072                                      const struct smb_filename *smb_fname,
5073                                      uint32 dosmode)
5074 {
5075         struct smb_filename *smb_fname_base = NULL;
5076         NTSTATUS status;
5077
5078         if (!VALID_STAT(smb_fname->st)) {
5079                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
5080         }
5081
5082         /* Always operate on the base_name, even if a stream was passed in. */
5083         status = create_synthetic_smb_fname(talloc_tos(), smb_fname->base_name,
5084                                             NULL, &smb_fname->st,
5085                                             &smb_fname_base);
5086         if (!NT_STATUS_IS_OK(status)) {
5087                 return status;
5088         }
5089
5090         if (dosmode) {
5091                 if (S_ISDIR(smb_fname_base->st.st_ex_mode)) {
5092                         dosmode |= aDIR;
5093                 } else {
5094                         dosmode &= ~aDIR;
5095                 }
5096         }
5097
5098         DEBUG(6,("smb_set_file_dosmode: dosmode: 0x%x\n", (unsigned int)dosmode));
5099
5100         /* check the mode isn't different, before changing it */
5101         if ((dosmode != 0) && (dosmode != dos_mode(conn, smb_fname_base))) {
5102                 DEBUG(10,("smb_set_file_dosmode: file %s : setting dos mode "
5103                           "0x%x\n", smb_fname_str_dbg(smb_fname_base),
5104                           (unsigned int)dosmode));
5105
5106                 if(file_set_dosmode(conn, smb_fname_base, dosmode, NULL,
5107                                     false)) {
5108                         DEBUG(2,("smb_set_file_dosmode: file_set_dosmode of "
5109                                  "%s failed (%s)\n",
5110                                  smb_fname_str_dbg(smb_fname_base),
5111                                  strerror(errno)));
5112                         status = map_nt_error_from_unix(errno);
5113                         goto out;
5114                 }
5115         }
5116         status = NT_STATUS_OK;
5117  out:
5118         TALLOC_FREE(smb_fname_base);
5119         return status;
5120 }
5121
5122 /****************************************************************************
5123  Deal with setting the size from any of the setfilepathinfo functions.
5124 ****************************************************************************/
5125
5126 static NTSTATUS smb_set_file_size(connection_struct *conn,
5127                                   struct smb_request *req,
5128                                   files_struct *fsp,
5129                                   const struct smb_filename *smb_fname,
5130                                   const SMB_STRUCT_STAT *psbuf,
5131                                   SMB_OFF_T size)
5132 {
5133         NTSTATUS status = NT_STATUS_OK;
5134         struct smb_filename *smb_fname_tmp = NULL;
5135         files_struct *new_fsp = NULL;
5136
5137         if (!VALID_STAT(*psbuf)) {
5138                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
5139         }
5140
5141         DEBUG(6,("smb_set_file_size: size: %.0f ", (double)size));
5142
5143         if (size == get_file_size_stat(psbuf)) {
5144                 return NT_STATUS_OK;
5145         }
5146
5147         DEBUG(10,("smb_set_file_size: file %s : setting new size to %.0f\n",
5148                   smb_fname_str_dbg(smb_fname), (double)size));
5149
5150         if (fsp && fsp->fh->fd != -1) {
5151                 /* Handle based call. */
5152                 if (vfs_set_filelen(fsp, size) == -1) {
5153                         return map_nt_error_from_unix(errno);
5154                 }
5155                 trigger_write_time_update_immediate(fsp);
5156                 return NT_STATUS_OK;
5157         }
5158
5159         status = copy_smb_filename(talloc_tos(), smb_fname, &smb_fname_tmp);
5160         if (!NT_STATUS_IS_OK(status)) {
5161                 return status;
5162         }
5163
5164         smb_fname_tmp->st = *psbuf;
5165
5166         status = SMB_VFS_CREATE_FILE(
5167                 conn,                                   /* conn */
5168                 req,                                    /* req */
5169                 0,                                      /* root_dir_fid */
5170                 smb_fname_tmp,                          /* fname */
5171                 FILE_WRITE_ATTRIBUTES,                  /* access_mask */
5172                 (FILE_SHARE_READ | FILE_SHARE_WRITE |   /* share_access */
5173                     FILE_SHARE_DELETE),
5174                 FILE_OPEN,                              /* create_disposition*/
5175                 0,                                      /* create_options */
5176                 FILE_ATTRIBUTE_NORMAL,                  /* file_attributes */
5177                 FORCE_OPLOCK_BREAK_TO_NONE,             /* oplock_request */
5178                 0,                                      /* allocation_size */
5179                 NULL,                                   /* sd */
5180                 NULL,                                   /* ea_list */
5181                 &new_fsp,                               /* result */
5182                 NULL);                                  /* pinfo */
5183
5184         TALLOC_FREE(smb_fname_tmp);
5185
5186         if (!NT_STATUS_IS_OK(status)) {
5187                 /* NB. We check for open_was_deferred in the caller. */
5188                 return status;
5189         }
5190
5191         if (vfs_set_filelen(new_fsp, size) == -1) {
5192                 status = map_nt_error_from_unix(errno);
5193                 close_file(req, new_fsp,NORMAL_CLOSE);
5194                 return status;
5195         }
5196
5197         trigger_write_time_update_immediate(new_fsp);
5198         close_file(req, new_fsp,NORMAL_CLOSE);
5199         return NT_STATUS_OK;
5200 }
5201
5202 /****************************************************************************
5203  Deal with SMB_INFO_SET_EA.
5204 ****************************************************************************/
5205
5206 static NTSTATUS smb_info_set_ea(connection_struct *conn,
5207                                 const char *pdata,
5208                                 int total_data,
5209                                 files_struct *fsp,
5210                                 const struct smb_filename *smb_fname)
5211 {
5212         struct ea_list *ea_list = NULL;
5213         TALLOC_CTX *ctx = NULL;
5214         NTSTATUS status = NT_STATUS_OK;
5215
5216         if (total_data < 10) {
5217
5218                 /* OS/2 workplace shell seems to send SET_EA requests of "null"
5219                    length. They seem to have no effect. Bug #3212. JRA */
5220
5221                 if ((total_data == 4) && (IVAL(pdata,0) == 4)) {
5222                         /* We're done. We only get EA info in this call. */
5223                         return NT_STATUS_OK;
5224                 }
5225
5226                 return NT_STATUS_INVALID_PARAMETER;
5227         }
5228
5229         if (IVAL(pdata,0) > total_data) {
5230                 DEBUG(10,("smb_info_set_ea: bad total data size (%u) > %u\n",
5231                         IVAL(pdata,0), (unsigned int)total_data));
5232                 return NT_STATUS_INVALID_PARAMETER;
5233         }
5234
5235         ctx = talloc_tos();
5236         ea_list = read_ea_list(ctx, pdata + 4, total_data - 4);
5237         if (!ea_list) {
5238                 return NT_STATUS_INVALID_PARAMETER;
5239         }
5240         status = set_ea(conn, fsp, smb_fname, ea_list);
5241
5242         return status;
5243 }
5244
5245 /****************************************************************************
5246  Deal with SMB_SET_FILE_DISPOSITION_INFO.
5247 ****************************************************************************/
5248
5249 static NTSTATUS smb_set_file_disposition_info(connection_struct *conn,
5250                                 const char *pdata,
5251                                 int total_data,
5252                                 files_struct *fsp,
5253                                 const struct smb_filename *smb_fname)
5254 {
5255         NTSTATUS status = NT_STATUS_OK;
5256         bool delete_on_close;
5257         uint32 dosmode = 0;
5258
5259         if (total_data < 1) {
5260                 return NT_STATUS_INVALID_PARAMETER;
5261         }
5262
5263         if (fsp == NULL) {
5264                 return NT_STATUS_INVALID_HANDLE;
5265         }
5266
5267         delete_on_close = (CVAL(pdata,0) ? True : False);
5268         dosmode = dos_mode(conn, smb_fname);
5269
5270         DEBUG(10,("smb_set_file_disposition_info: file %s, dosmode = %u, "
5271                 "delete_on_close = %u\n",
5272                 smb_fname_str_dbg(smb_fname),
5273                 (unsigned int)dosmode,
5274                 (unsigned int)delete_on_close ));
5275
5276         status = can_set_delete_on_close(fsp, delete_on_close, dosmode);
5277
5278         if (!NT_STATUS_IS_OK(status)) {
5279                 return status;
5280         }
5281
5282         /* The set is across all open files on this dev/inode pair. */
5283         if (!set_delete_on_close(fsp, delete_on_close,
5284                                  &conn->server_info->utok)) {
5285                 return NT_STATUS_ACCESS_DENIED;
5286         }
5287         return NT_STATUS_OK;
5288 }
5289
5290 /****************************************************************************
5291  Deal with SMB_FILE_POSITION_INFORMATION.
5292 ****************************************************************************/
5293
5294 static NTSTATUS smb_file_position_information(connection_struct *conn,
5295                                 const char *pdata,
5296                                 int total_data,
5297                                 files_struct *fsp)
5298 {
5299         uint64_t position_information;
5300
5301         if (total_data < 8) {
5302                 return NT_STATUS_INVALID_PARAMETER;
5303         }
5304
5305         if (fsp == NULL) {
5306                 /* Ignore on pathname based set. */
5307                 return NT_STATUS_OK;
5308         }
5309
5310         position_information = (uint64_t)IVAL(pdata,0);
5311 #ifdef LARGE_SMB_OFF_T
5312         position_information |= (((uint64_t)IVAL(pdata,4)) << 32);
5313 #else /* LARGE_SMB_OFF_T */
5314         if (IVAL(pdata,4) != 0) {
5315                 /* more than 32 bits? */
5316                 return NT_STATUS_INVALID_PARAMETER;
5317         }
5318 #endif /* LARGE_SMB_OFF_T */
5319
5320         DEBUG(10,("smb_file_position_information: Set file position information for file %s to %.0f\n",
5321                 fsp->fsp_name, (double)position_information ));
5322         fsp->fh->position_information = position_information;
5323         return NT_STATUS_OK;
5324 }
5325
5326 /****************************************************************************
5327  Deal with SMB_FILE_MODE_INFORMATION.
5328 ****************************************************************************/
5329
5330 static NTSTATUS smb_file_mode_information(connection_struct *conn,
5331                                 const char *pdata,
5332                                 int total_data)
5333 {
5334         uint32 mode;
5335
5336         if (total_data < 4) {
5337                 return NT_STATUS_INVALID_PARAMETER;
5338         }
5339         mode = IVAL(pdata,0);
5340         if (mode != 0 && mode != 2 && mode != 4 && mode != 6) {
5341                 return NT_STATUS_INVALID_PARAMETER;
5342         }
5343         return NT_STATUS_OK;
5344 }
5345
5346 /****************************************************************************
5347  Deal with SMB_SET_FILE_UNIX_LINK (create a UNIX symlink).
5348 ****************************************************************************/
5349
5350 static NTSTATUS smb_set_file_unix_link(connection_struct *conn,
5351                                        struct smb_request *req,
5352                                        const char *pdata,
5353                                        int total_data,
5354                                        const char *fname)
5355 {
5356         char *link_target = NULL;
5357         const char *newname = fname;
5358         NTSTATUS status = NT_STATUS_OK;
5359         TALLOC_CTX *ctx = talloc_tos();
5360
5361         /* Set a symbolic link. */
5362         /* Don't allow this if follow links is false. */
5363
5364         if (total_data == 0) {
5365                 return NT_STATUS_INVALID_PARAMETER;
5366         }
5367
5368         if (!lp_symlinks(SNUM(conn))) {
5369                 return NT_STATUS_ACCESS_DENIED;
5370         }
5371
5372         srvstr_pull_talloc(ctx, pdata, req->flags2, &link_target, pdata,
5373                     total_data, STR_TERMINATE);
5374
5375         if (!link_target) {
5376                 return NT_STATUS_INVALID_PARAMETER;
5377         }
5378
5379         /* !widelinks forces the target path to be within the share. */
5380         /* This means we can interpret the target as a pathname. */
5381         if (!lp_widelinks(SNUM(conn))) {
5382                 char *rel_name = NULL;
5383                 char *last_dirp = NULL;
5384
5385                 if (*link_target == '/') {
5386                         /* No absolute paths allowed. */
5387                         return NT_STATUS_ACCESS_DENIED;
5388                 }
5389                 rel_name = talloc_strdup(ctx,newname);
5390                 if (!rel_name) {
5391                         return NT_STATUS_NO_MEMORY;
5392                 }
5393                 last_dirp = strrchr_m(rel_name, '/');
5394                 if (last_dirp) {
5395                         last_dirp[1] = '\0';
5396                 } else {
5397                         rel_name = talloc_strdup(ctx,"./");
5398                         if (!rel_name) {
5399                                 return NT_STATUS_NO_MEMORY;
5400                         }
5401                 }
5402                 rel_name = talloc_asprintf_append(rel_name,
5403                                 "%s",
5404                                 link_target);
5405                 if (!rel_name) {
5406                         return NT_STATUS_NO_MEMORY;
5407                 }
5408
5409                 status = check_name(conn, rel_name);
5410                 if (!NT_STATUS_IS_OK(status)) {
5411                         return status;
5412                 }
5413         }
5414
5415         DEBUG(10,("smb_set_file_unix_link: SMB_SET_FILE_UNIX_LINK doing symlink %s -> %s\n",
5416                         newname, link_target ));
5417
5418         if (SMB_VFS_SYMLINK(conn,link_target,newname) != 0) {
5419                 return map_nt_error_from_unix(errno);
5420         }
5421
5422         return NT_STATUS_OK;
5423 }
5424
5425 /****************************************************************************
5426  Deal with SMB_SET_FILE_UNIX_HLINK (create a UNIX hard link).
5427 ****************************************************************************/
5428
5429 static NTSTATUS smb_set_file_unix_hlink(connection_struct *conn,
5430                                         struct smb_request *req,
5431                                         const char *pdata, int total_data,
5432                                         const struct smb_filename *smb_fname_new)
5433 {
5434         char *oldname = NULL;
5435         struct smb_filename *smb_fname_old = NULL;
5436         TALLOC_CTX *ctx = talloc_tos();
5437         NTSTATUS status = NT_STATUS_OK;
5438
5439         /* Set a hard link. */
5440         if (total_data == 0) {
5441                 return NT_STATUS_INVALID_PARAMETER;
5442         }
5443
5444         srvstr_get_path(ctx, pdata, req->flags2, &oldname, pdata,
5445                         total_data, STR_TERMINATE, &status);
5446         if (!NT_STATUS_IS_OK(status)) {
5447                 return status;
5448         }
5449
5450         DEBUG(10,("smb_set_file_unix_hlink: SMB_SET_FILE_UNIX_LINK doing hard link %s -> %s\n",
5451                 smb_fname_str_dbg(smb_fname_new), oldname));
5452
5453         status = filename_convert(ctx,
5454                                 conn,
5455                                 req->flags2 & FLAGS2_DFS_PATHNAMES,
5456                                 oldname,
5457                                 &smb_fname_old,
5458                                 NULL);
5459         if (!NT_STATUS_IS_OK(status)) {
5460                 return status;
5461         }
5462
5463         return hardlink_internals(ctx, conn, smb_fname_old, smb_fname_new);
5464 }
5465
5466 /****************************************************************************
5467  Deal with SMB_FILE_RENAME_INFORMATION.
5468 ****************************************************************************/
5469
5470 static NTSTATUS smb_file_rename_information(connection_struct *conn,
5471                                             struct smb_request *req,
5472                                             const char *pdata,
5473                                             int total_data,
5474                                             files_struct *fsp,
5475                                             const char *fname)
5476 {
5477         bool overwrite;
5478         uint32 root_fid;
5479         uint32 len;
5480         char *newname = NULL;
5481         char *base_name = NULL;
5482         struct smb_filename *smb_fname = NULL;
5483         bool dest_has_wcard = False;
5484         NTSTATUS status = NT_STATUS_OK;
5485         char *p;
5486         TALLOC_CTX *ctx = talloc_tos();
5487
5488         if (total_data < 13) {
5489                 return NT_STATUS_INVALID_PARAMETER;
5490         }
5491
5492         overwrite = (CVAL(pdata,0) ? True : False);
5493         root_fid = IVAL(pdata,4);
5494         len = IVAL(pdata,8);
5495
5496         if (len > (total_data - 12) || (len == 0) || (root_fid != 0)) {
5497                 return NT_STATUS_INVALID_PARAMETER;
5498         }
5499
5500         srvstr_get_path_wcard(ctx, pdata, req->flags2, &newname, &pdata[12],
5501                               len, 0, &status,
5502                               &dest_has_wcard);
5503         if (!NT_STATUS_IS_OK(status)) {
5504                 return status;
5505         }
5506
5507         DEBUG(10,("smb_file_rename_information: got name |%s|\n",
5508                                 newname));
5509
5510         status = resolve_dfspath_wcard(ctx, conn,
5511                                        req->flags2 & FLAGS2_DFS_PATHNAMES,
5512                                        newname,
5513                                        &newname,
5514                                        &dest_has_wcard);
5515         if (!NT_STATUS_IS_OK(status)) {
5516                 return status;
5517         }
5518
5519         /* Check the new name has no '/' characters. */
5520         if (strchr_m(newname, '/')) {
5521                 return NT_STATUS_NOT_SUPPORTED;
5522         }
5523
5524         if (fsp && fsp->base_fsp) {
5525                 /* newname must be a stream name. */
5526                 if (newname[0] != ':') {
5527                         return NT_STATUS_NOT_SUPPORTED;
5528                 }
5529
5530                 /* Create an smb_fname to call rename_internals_fsp() with. */
5531                 status = create_synthetic_smb_fname(talloc_tos(),
5532                                                     fsp->base_fsp->fsp_name,
5533                                                     newname, NULL, &smb_fname);
5534                 if (!NT_STATUS_IS_OK(status)) {
5535                         goto out;
5536                 }
5537
5538                 /*
5539                  * Set the original last component, since
5540                  * rename_internals_fsp() requires it.
5541                  */
5542                 smb_fname->original_lcomp = talloc_strdup(smb_fname, newname);
5543                 if (smb_fname->original_lcomp == NULL) {
5544                         status = NT_STATUS_NO_MEMORY;
5545                         goto out;
5546                 }
5547
5548                 /* Create a char * to call rename_internals() with. */
5549                 base_name = talloc_asprintf(ctx, "%s%s",
5550                                            fsp->base_fsp->fsp_name,
5551                                            newname);
5552                 if (!base_name) {
5553                         status = NT_STATUS_NO_MEMORY;
5554                         goto out;
5555                 }
5556         } else {
5557                 /* newname must *not* be a stream name. */
5558                 if (newname[0] == ':') {
5559                         return NT_STATUS_NOT_SUPPORTED;
5560                 }
5561
5562                 /* Create the base directory. */
5563                 base_name = talloc_strdup(ctx, fname);
5564                 if (!base_name) {
5565                         return NT_STATUS_NO_MEMORY;
5566                 }
5567                 p = strrchr_m(base_name, '/');
5568                 if (p) {
5569                         p[1] = '\0';
5570                 } else {
5571                         base_name = talloc_strdup(ctx, "./");
5572                         if (!base_name) {
5573                                 return NT_STATUS_NO_MEMORY;
5574                         }
5575                 }
5576                 /* Append the new name. */
5577                 base_name = talloc_asprintf_append(base_name,
5578                                 "%s",
5579                                 newname);
5580                 if (!base_name) {
5581                         return NT_STATUS_NO_MEMORY;
5582                 }
5583
5584                 status = unix_convert(ctx, conn, base_name, &smb_fname,
5585                                       UCF_SAVE_LCOMP);
5586
5587                 /* If an error we expect this to be
5588                  * NT_STATUS_OBJECT_PATH_NOT_FOUND */
5589
5590                 if (!NT_STATUS_IS_OK(status)) {
5591                         if(!NT_STATUS_EQUAL(NT_STATUS_OBJECT_PATH_NOT_FOUND,
5592                                             status)) {
5593                                 goto out;
5594                         }
5595                         /* Create an smb_fname to call rename_internals_fsp() */
5596                         status = create_synthetic_smb_fname(talloc_tos(),
5597                                                             base_name, NULL,
5598                                                             NULL, &smb_fname);
5599                         if (!NT_STATUS_IS_OK(status)) {
5600                                 goto out;
5601                         }
5602                 }
5603
5604         }
5605
5606         if (fsp) {
5607                 DEBUG(10,("smb_file_rename_information: SMB_FILE_RENAME_INFORMATION (fnum %d) %s -> %s\n",
5608                         fsp->fnum, fsp->fsp_name, base_name ));
5609                 status = rename_internals_fsp(conn, fsp, smb_fname, 0,
5610                                               overwrite);
5611         } else {
5612                 DEBUG(10,("smb_file_rename_information: SMB_FILE_RENAME_INFORMATION %s -> %s\n",
5613                         fname, base_name ));
5614                 status = rename_internals(ctx, conn, req, fname, base_name, 0,
5615                                         overwrite, False, dest_has_wcard,
5616                                         FILE_WRITE_ATTRIBUTES);
5617         }
5618  out:
5619         TALLOC_FREE(smb_fname);
5620         return status;
5621 }
5622
5623 /****************************************************************************
5624  Deal with SMB_SET_POSIX_ACL.
5625 ****************************************************************************/
5626
5627 #if defined(HAVE_POSIX_ACLS)
5628 static NTSTATUS smb_set_posix_acl(connection_struct *conn,
5629                                 const char *pdata,
5630                                 int total_data,
5631                                 files_struct *fsp,
5632                                 const char *fname,
5633                                 SMB_STRUCT_STAT *psbuf)
5634 {
5635         uint16 posix_acl_version;
5636         uint16 num_file_acls;
5637         uint16 num_def_acls;
5638         bool valid_file_acls = True;
5639         bool valid_def_acls = True;
5640
5641         if (total_data < SMB_POSIX_ACL_HEADER_SIZE) {
5642                 return NT_STATUS_INVALID_PARAMETER;
5643         }
5644         posix_acl_version = SVAL(pdata,0);
5645         num_file_acls = SVAL(pdata,2);
5646         num_def_acls = SVAL(pdata,4);
5647
5648         if (num_file_acls == SMB_POSIX_IGNORE_ACE_ENTRIES) {
5649                 valid_file_acls = False;
5650                 num_file_acls = 0;
5651         }
5652
5653         if (num_def_acls == SMB_POSIX_IGNORE_ACE_ENTRIES) {
5654                 valid_def_acls = False;
5655                 num_def_acls = 0;
5656         }
5657
5658         if (posix_acl_version != SMB_POSIX_ACL_VERSION) {
5659                 return NT_STATUS_INVALID_PARAMETER;
5660         }
5661
5662         if (total_data < SMB_POSIX_ACL_HEADER_SIZE +
5663                         (num_file_acls+num_def_acls)*SMB_POSIX_ACL_ENTRY_SIZE) {
5664                 return NT_STATUS_INVALID_PARAMETER;
5665         }
5666
5667         DEBUG(10,("smb_set_posix_acl: file %s num_file_acls = %u, num_def_acls = %u\n",
5668                 fname ? fname : fsp->fsp_name,
5669                 (unsigned int)num_file_acls,
5670                 (unsigned int)num_def_acls));
5671
5672         if (valid_file_acls && !set_unix_posix_acl(conn, fsp, fname, num_file_acls,
5673                         pdata + SMB_POSIX_ACL_HEADER_SIZE)) {
5674                 return map_nt_error_from_unix(errno);
5675         }
5676
5677         if (valid_def_acls && !set_unix_posix_default_acl(conn, fname, psbuf, num_def_acls,
5678                         pdata + SMB_POSIX_ACL_HEADER_SIZE +
5679                         (num_file_acls*SMB_POSIX_ACL_ENTRY_SIZE))) {
5680                 return map_nt_error_from_unix(errno);
5681         }
5682         return NT_STATUS_OK;
5683 }
5684 #endif
5685
5686 /****************************************************************************
5687  Deal with SMB_SET_POSIX_LOCK.
5688 ****************************************************************************/
5689
5690 static NTSTATUS smb_set_posix_lock(connection_struct *conn,
5691                                 struct smb_request *req,
5692                                 const char *pdata,
5693                                 int total_data,
5694                                 files_struct *fsp)
5695 {
5696         uint64_t count;
5697         uint64_t offset;
5698         uint32 lock_pid;
5699         bool blocking_lock = False;
5700         enum brl_type lock_type;
5701
5702         NTSTATUS status = NT_STATUS_OK;
5703
5704         if (fsp == NULL || fsp->fh->fd == -1) {
5705                 return NT_STATUS_INVALID_HANDLE;
5706         }
5707
5708         if (total_data != POSIX_LOCK_DATA_SIZE) {
5709                 return NT_STATUS_INVALID_PARAMETER;
5710         }
5711
5712         switch (SVAL(pdata, POSIX_LOCK_TYPE_OFFSET)) {
5713                 case POSIX_LOCK_TYPE_READ:
5714                         lock_type = READ_LOCK;
5715                         break;
5716                 case POSIX_LOCK_TYPE_WRITE:
5717                         /* Return the right POSIX-mappable error code for files opened read-only. */
5718                         if (!fsp->can_write) {
5719                                 return NT_STATUS_INVALID_HANDLE;
5720                         }
5721                         lock_type = WRITE_LOCK;
5722                         break;
5723                 case POSIX_LOCK_TYPE_UNLOCK:
5724                         lock_type = UNLOCK_LOCK;
5725                         break;
5726                 default:
5727                         return NT_STATUS_INVALID_PARAMETER;
5728         }
5729
5730         if (SVAL(pdata,POSIX_LOCK_FLAGS_OFFSET) == POSIX_LOCK_FLAG_NOWAIT) {
5731                 blocking_lock = False;
5732         } else if (SVAL(pdata,POSIX_LOCK_FLAGS_OFFSET) == POSIX_LOCK_FLAG_WAIT) {
5733                 blocking_lock = True;
5734         } else {
5735                 return NT_STATUS_INVALID_PARAMETER;
5736         }
5737
5738         if (!lp_blocking_locks(SNUM(conn))) {
5739                 blocking_lock = False;
5740         }
5741
5742         lock_pid = IVAL(pdata, POSIX_LOCK_PID_OFFSET);
5743 #if defined(HAVE_LONGLONG)
5744         offset = (((uint64_t) IVAL(pdata,(POSIX_LOCK_START_OFFSET+4))) << 32) |
5745                         ((uint64_t) IVAL(pdata,POSIX_LOCK_START_OFFSET));
5746         count = (((uint64_t) IVAL(pdata,(POSIX_LOCK_LEN_OFFSET+4))) << 32) |
5747                         ((uint64_t) IVAL(pdata,POSIX_LOCK_LEN_OFFSET));
5748 #else /* HAVE_LONGLONG */
5749         offset = (uint64_t)IVAL(pdata,POSIX_LOCK_START_OFFSET);
5750         count = (uint64_t)IVAL(pdata,POSIX_LOCK_LEN_OFFSET);
5751 #endif /* HAVE_LONGLONG */
5752
5753         DEBUG(10,("smb_set_posix_lock: file %s, lock_type = %u,"
5754                         "lock_pid = %u, count = %.0f, offset = %.0f\n",
5755                 fsp->fsp_name,
5756                 (unsigned int)lock_type,
5757                 (unsigned int)lock_pid,
5758                 (double)count,
5759                 (double)offset ));
5760
5761         if (lock_type == UNLOCK_LOCK) {
5762                 status = do_unlock(smbd_messaging_context(),
5763                                 fsp,
5764                                 lock_pid,
5765                                 count,
5766                                 offset,
5767                                 POSIX_LOCK);
5768         } else {
5769                 uint32 block_smbpid;
5770
5771                 struct byte_range_lock *br_lck = do_lock(smbd_messaging_context(),
5772                                                         fsp,
5773                                                         lock_pid,
5774                                                         count,
5775                                                         offset,
5776                                                         lock_type,
5777                                                         POSIX_LOCK,
5778                                                         blocking_lock,
5779                                                         &status,
5780                                                         &block_smbpid,
5781                                                         NULL);
5782
5783                 if (br_lck && blocking_lock && ERROR_WAS_LOCK_DENIED(status)) {
5784                         /*
5785                          * A blocking lock was requested. Package up
5786                          * this smb into a queued request and push it
5787                          * onto the blocking lock queue.
5788                          */
5789                         if(push_blocking_lock_request(br_lck,
5790                                                 req,
5791                                                 fsp,
5792                                                 -1, /* infinite timeout. */
5793                                                 0,
5794                                                 lock_pid,
5795                                                 lock_type,
5796                                                 POSIX_LOCK,
5797                                                 offset,
5798                                                 count,
5799                                                 block_smbpid)) {
5800                                 TALLOC_FREE(br_lck);
5801                                 return status;
5802                         }
5803                 }
5804                 TALLOC_FREE(br_lck);
5805         }
5806
5807         return status;
5808 }
5809
5810 /****************************************************************************
5811  Deal with SMB_INFO_STANDARD.
5812 ****************************************************************************/
5813
5814 static NTSTATUS smb_set_info_standard(connection_struct *conn,
5815                                         const char *pdata,
5816                                         int total_data,
5817                                         files_struct *fsp,
5818                                         const struct smb_filename *smb_fname)
5819 {
5820         struct smb_file_time ft;
5821         ZERO_STRUCT(ft);
5822
5823         if (total_data < 12) {
5824                 return NT_STATUS_INVALID_PARAMETER;
5825         }
5826
5827         /* create time */
5828         ft.create_time = interpret_long_date(pdata);
5829
5830         /* access time */
5831         ft.atime = interpret_long_date(pdata + 8);
5832
5833         /* write time */
5834         ft.mtime = interpret_long_date(pdata + 16);
5835
5836         DEBUG(10,("smb_set_info_standard: file %s\n",
5837                   smb_fname_str_dbg(smb_fname)));
5838
5839         return smb_set_file_time(conn, fsp, smb_fname, &ft, true);
5840 }
5841
5842 /****************************************************************************
5843  Deal with SMB_SET_FILE_BASIC_INFO.
5844 ****************************************************************************/
5845
5846 static NTSTATUS smb_set_file_basic_info(connection_struct *conn,
5847                                         const char *pdata,
5848                                         int total_data,
5849                                         files_struct *fsp,
5850                                         const struct smb_filename *smb_fname)
5851 {
5852         /* Patch to do this correctly from Paul Eggert <eggert@twinsun.com>. */
5853         struct timespec write_time;
5854         struct timespec changed_time;
5855         struct smb_file_time ft;
5856         uint32 dosmode = 0;
5857         NTSTATUS status = NT_STATUS_OK;
5858         bool setting_write_time = true;
5859
5860         ZERO_STRUCT(ft);
5861
5862         if (total_data < 36) {
5863                 return NT_STATUS_INVALID_PARAMETER;
5864         }
5865
5866         /* Set the attributes */
5867         dosmode = IVAL(pdata,32);
5868         status = smb_set_file_dosmode(conn, smb_fname, dosmode);
5869         if (!NT_STATUS_IS_OK(status)) {
5870                 return status;
5871         }
5872
5873         /* access time */
5874         ft.atime = interpret_long_date(pdata+8);
5875
5876         write_time = interpret_long_date(pdata+16);
5877         changed_time = interpret_long_date(pdata+24);
5878
5879         /* mtime */
5880         ft.mtime = timespec_min(&write_time, &changed_time);
5881
5882         /* create time */
5883         ft.create_time = interpret_long_date(pdata);
5884
5885         if ((timespec_compare(&write_time, &ft.mtime) == 1) &&
5886             !null_timespec(write_time)) {
5887                 ft.mtime = write_time;
5888         }
5889
5890         /* Prefer a defined time to an undefined one. */
5891         if (null_timespec(ft.mtime)) {
5892                 if (null_timespec(write_time)) {
5893                         ft.mtime = changed_time;
5894                         setting_write_time = false;
5895                 } else {
5896                         ft.mtime = write_time;
5897                 }
5898         }
5899
5900         DEBUG(10, ("smb_set_file_basic_info: file %s\n",
5901                    smb_fname_str_dbg(smb_fname)));
5902
5903         return smb_set_file_time(conn, fsp, smb_fname, &ft,
5904                                  setting_write_time);
5905 }
5906
5907 /****************************************************************************
5908  Deal with SMB_SET_FILE_ALLOCATION_INFO.
5909 ****************************************************************************/
5910
5911 static NTSTATUS smb_set_file_allocation_info(connection_struct *conn,
5912                                              struct smb_request *req,
5913                                         const char *pdata,
5914                                         int total_data,
5915                                         files_struct *fsp,
5916                                         const char *fname,
5917                                         SMB_STRUCT_STAT *psbuf)
5918 {
5919         struct smb_filename *smb_fname = NULL;
5920         uint64_t allocation_size = 0;
5921         NTSTATUS status = NT_STATUS_OK;
5922         files_struct *new_fsp = NULL;
5923
5924         if (!VALID_STAT(*psbuf)) {
5925                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
5926         }
5927
5928         if (total_data < 8) {
5929                 return NT_STATUS_INVALID_PARAMETER;
5930         }
5931
5932         allocation_size = (uint64_t)IVAL(pdata,0);
5933 #ifdef LARGE_SMB_OFF_T
5934         allocation_size |= (((uint64_t)IVAL(pdata,4)) << 32);
5935 #else /* LARGE_SMB_OFF_T */
5936         if (IVAL(pdata,4) != 0) {
5937                 /* more than 32 bits? */
5938                 return NT_STATUS_INVALID_PARAMETER;
5939         }
5940 #endif /* LARGE_SMB_OFF_T */
5941
5942         DEBUG(10,("smb_set_file_allocation_info: Set file allocation info for file %s to %.0f\n",
5943                         fname, (double)allocation_size ));
5944
5945         if (allocation_size) {
5946                 allocation_size = smb_roundup(conn, allocation_size);
5947         }
5948
5949         DEBUG(10,("smb_set_file_allocation_info: file %s : setting new allocation size to %.0f\n",
5950                         fname, (double)allocation_size ));
5951
5952         if (fsp && fsp->fh->fd != -1) {
5953                 /* Open file handle. */
5954                 /* Only change if needed. */
5955                 if (allocation_size != get_file_size_stat(psbuf)) {
5956                         if (vfs_allocate_file_space(fsp, allocation_size) == -1) {
5957                                 return map_nt_error_from_unix(errno);
5958                         }
5959                 }
5960                 /* But always update the time. */
5961                 /*
5962                  * This is equivalent to a write. Ensure it's seen immediately
5963                  * if there are no pending writes.
5964                  */
5965                 trigger_write_time_update_immediate(fsp);
5966                 return NT_STATUS_OK;
5967         }
5968
5969         /* Pathname or stat or directory file. */
5970
5971         status = create_synthetic_smb_fname_split(talloc_tos(), fname, psbuf,
5972                                                   &smb_fname);
5973         if (!NT_STATUS_IS_OK(status)) {
5974                 return status;
5975         }
5976
5977         status = SMB_VFS_CREATE_FILE(
5978                 conn,                                   /* conn */
5979                 req,                                    /* req */
5980                 0,                                      /* root_dir_fid */
5981                 smb_fname,                              /* fname */
5982                 FILE_WRITE_DATA,                        /* access_mask */
5983                 (FILE_SHARE_READ | FILE_SHARE_WRITE |   /* share_access */
5984                     FILE_SHARE_DELETE),
5985                 FILE_OPEN,                              /* create_disposition*/
5986                 0,                                      /* create_options */
5987                 FILE_ATTRIBUTE_NORMAL,                  /* file_attributes */
5988                 FORCE_OPLOCK_BREAK_TO_NONE,             /* oplock_request */
5989                 0,                                      /* allocation_size */
5990                 NULL,                                   /* sd */
5991                 NULL,                                   /* ea_list */
5992                 &new_fsp,                               /* result */
5993                 NULL);                                  /* pinfo */
5994
5995         *psbuf = smb_fname->st;
5996         TALLOC_FREE(smb_fname);
5997
5998         if (!NT_STATUS_IS_OK(status)) {
5999                 /* NB. We check for open_was_deferred in the caller. */
6000                 return status;
6001         }
6002
6003         /* Only change if needed. */
6004         if (allocation_size != get_file_size_stat(psbuf)) {
6005                 if (vfs_allocate_file_space(new_fsp, allocation_size) == -1) {
6006                         status = map_nt_error_from_unix(errno);
6007                         close_file(req, new_fsp, NORMAL_CLOSE);
6008                         return status;
6009                 }
6010         }
6011
6012         /* Changing the allocation size should set the last mod time. */
6013         /*
6014          * This is equivalent to a write. Ensure it's seen immediately
6015          * if there are no pending writes.
6016          */
6017         trigger_write_time_update_immediate(new_fsp);
6018
6019         close_file(req, new_fsp, NORMAL_CLOSE);
6020         return NT_STATUS_OK;
6021 }
6022
6023 /****************************************************************************
6024  Deal with SMB_SET_FILE_END_OF_FILE_INFO.
6025 ****************************************************************************/
6026
6027 static NTSTATUS smb_set_file_end_of_file_info(connection_struct *conn,
6028                                               struct smb_request *req,
6029                                         const char *pdata,
6030                                         int total_data,
6031                                         files_struct *fsp,
6032                                         const struct smb_filename *smb_fname)
6033 {
6034         SMB_OFF_T size;
6035
6036         if (total_data < 8) {
6037                 return NT_STATUS_INVALID_PARAMETER;
6038         }
6039
6040         size = IVAL(pdata,0);
6041 #ifdef LARGE_SMB_OFF_T
6042         size |= (((SMB_OFF_T)IVAL(pdata,4)) << 32);
6043 #else /* LARGE_SMB_OFF_T */
6044         if (IVAL(pdata,4) != 0) {
6045                 /* more than 32 bits? */
6046                 return NT_STATUS_INVALID_PARAMETER;
6047         }
6048 #endif /* LARGE_SMB_OFF_T */
6049         DEBUG(10,("smb_set_file_end_of_file_info: Set end of file info for "
6050                   "file %s to %.0f\n", smb_fname_str_dbg(smb_fname),
6051                   (double)size));
6052
6053         return smb_set_file_size(conn, req,
6054                                 fsp,
6055                                 smb_fname,
6056                                 &smb_fname->st,
6057                                 size);
6058 }
6059
6060 /****************************************************************************
6061  Allow a UNIX info mknod.
6062 ****************************************************************************/
6063
6064 static NTSTATUS smb_unix_mknod(connection_struct *conn,
6065                                         const char *pdata,
6066                                         int total_data,
6067                                         const struct smb_filename *smb_fname)
6068 {
6069         uint32 file_type = IVAL(pdata,56);
6070 #if defined(HAVE_MAKEDEV)
6071         uint32 dev_major = IVAL(pdata,60);
6072         uint32 dev_minor = IVAL(pdata,68);
6073 #endif
6074         SMB_DEV_T dev = (SMB_DEV_T)0;
6075         uint32 raw_unixmode = IVAL(pdata,84);
6076         NTSTATUS status;
6077         mode_t unixmode;
6078
6079         if (total_data < 100) {
6080                 return NT_STATUS_INVALID_PARAMETER;
6081         }
6082
6083         status = unix_perms_from_wire(conn, &smb_fname->st, raw_unixmode,
6084                                       PERM_NEW_FILE, &unixmode);
6085         if (!NT_STATUS_IS_OK(status)) {
6086                 return status;
6087         }
6088
6089 #if defined(HAVE_MAKEDEV)
6090         dev = makedev(dev_major, dev_minor);
6091 #endif
6092
6093         switch (file_type) {
6094 #if defined(S_IFIFO)
6095                 case UNIX_TYPE_FIFO:
6096                         unixmode |= S_IFIFO;
6097                         break;
6098 #endif
6099 #if defined(S_IFSOCK)
6100                 case UNIX_TYPE_SOCKET:
6101                         unixmode |= S_IFSOCK;
6102                         break;
6103 #endif
6104 #if defined(S_IFCHR)
6105                 case UNIX_TYPE_CHARDEV:
6106                         unixmode |= S_IFCHR;
6107                         break;
6108 #endif
6109 #if defined(S_IFBLK)
6110                 case UNIX_TYPE_BLKDEV:
6111                         unixmode |= S_IFBLK;
6112                         break;
6113 #endif
6114                 default:
6115                         return NT_STATUS_INVALID_PARAMETER;
6116         }
6117
6118         DEBUG(10,("smb_unix_mknod: SMB_SET_FILE_UNIX_BASIC doing mknod dev "
6119                   "%.0f mode 0%o for file %s\n", (double)dev,
6120                   (unsigned int)unixmode, smb_fname_str_dbg(smb_fname)));
6121
6122         /* Ok - do the mknod. */
6123         if (SMB_VFS_MKNOD(conn, smb_fname->base_name, unixmode, dev) != 0) {
6124                 return map_nt_error_from_unix(errno);
6125         }
6126
6127         /* If any of the other "set" calls fail we
6128          * don't want to end up with a half-constructed mknod.
6129          */
6130
6131         if (lp_inherit_perms(SNUM(conn))) {
6132                 char *parent;
6133                 if (!parent_dirname(talloc_tos(), smb_fname->base_name,
6134                                     &parent, NULL)) {
6135                         return NT_STATUS_NO_MEMORY;
6136                 }
6137                 inherit_access_posix_acl(conn, parent, smb_fname->base_name,
6138                                          unixmode);
6139                 TALLOC_FREE(parent);
6140         }
6141
6142         return NT_STATUS_OK;
6143 }
6144
6145 /****************************************************************************
6146  Deal with SMB_SET_FILE_UNIX_BASIC.
6147 ****************************************************************************/
6148
6149 static NTSTATUS smb_set_file_unix_basic(connection_struct *conn,
6150                                         struct smb_request *req,
6151                                         const char *pdata,
6152                                         int total_data,
6153                                         files_struct *fsp,
6154                                         const struct smb_filename *smb_fname)
6155 {
6156         struct smb_file_time ft;
6157         uint32 raw_unixmode;
6158         mode_t unixmode;
6159         SMB_OFF_T size = 0;
6160         uid_t set_owner = (uid_t)SMB_UID_NO_CHANGE;
6161         gid_t set_grp = (uid_t)SMB_GID_NO_CHANGE;
6162         NTSTATUS status = NT_STATUS_OK;
6163         bool delete_on_fail = False;
6164         enum perm_type ptype;
6165         files_struct *all_fsps = NULL;
6166         bool modify_mtime = true;
6167         struct file_id id;
6168         SMB_STRUCT_STAT sbuf;
6169
6170         ZERO_STRUCT(ft);
6171
6172         if (total_data < 100) {
6173                 return NT_STATUS_INVALID_PARAMETER;
6174         }
6175
6176         if(IVAL(pdata, 0) != SMB_SIZE_NO_CHANGE_LO &&
6177            IVAL(pdata, 4) != SMB_SIZE_NO_CHANGE_HI) {
6178                 size=IVAL(pdata,0); /* first 8 Bytes are size */
6179 #ifdef LARGE_SMB_OFF_T
6180                 size |= (((SMB_OFF_T)IVAL(pdata,4)) << 32);
6181 #else /* LARGE_SMB_OFF_T */
6182                 if (IVAL(pdata,4) != 0) {
6183                         /* more than 32 bits? */
6184                         return NT_STATUS_INVALID_PARAMETER;
6185                 }
6186 #endif /* LARGE_SMB_OFF_T */
6187         }
6188
6189         ft.atime = interpret_long_date(pdata+24); /* access_time */
6190         ft.mtime = interpret_long_date(pdata+32); /* modification_time */
6191         set_owner = (uid_t)IVAL(pdata,40);
6192         set_grp = (gid_t)IVAL(pdata,48);
6193         raw_unixmode = IVAL(pdata,84);
6194
6195         if (VALID_STAT(smb_fname->st)) {
6196                 if (S_ISDIR(smb_fname->st.st_ex_mode)) {
6197                         ptype = PERM_EXISTING_DIR;
6198                 } else {
6199                         ptype = PERM_EXISTING_FILE;
6200                 }
6201         } else {
6202                 ptype = PERM_NEW_FILE;
6203         }
6204
6205         status = unix_perms_from_wire(conn, &smb_fname->st, raw_unixmode,
6206                                       ptype, &unixmode);
6207         if (!NT_STATUS_IS_OK(status)) {
6208                 return status;
6209         }
6210
6211         DEBUG(10,("smb_set_file_unix_basic: SMB_SET_FILE_UNIX_BASIC: name = "
6212                   "%s size = %.0f, uid = %u, gid = %u, raw perms = 0%o\n",
6213                   smb_fname_str_dbg(smb_fname), (double)size,
6214                   (unsigned int)set_owner, (unsigned int)set_grp,
6215                   (int)raw_unixmode));
6216
6217         sbuf = smb_fname->st;
6218
6219         if (!VALID_STAT(sbuf)) {
6220                 struct smb_filename *smb_fname_tmp = NULL;
6221                 /*
6222                  * The only valid use of this is to create character and block
6223                  * devices, and named pipes. This is deprecated (IMHO) and
6224                  * a new info level should be used for mknod. JRA.
6225                  */
6226
6227                 status = smb_unix_mknod(conn,
6228                                         pdata,
6229                                         total_data,
6230                                         smb_fname);
6231                 if (!NT_STATUS_IS_OK(status)) {
6232                         return status;
6233                 }
6234
6235                 status = copy_smb_filename(talloc_tos(), smb_fname,
6236                                            &smb_fname_tmp);
6237                 if (!NT_STATUS_IS_OK(status)) {
6238                         return status;
6239                 }
6240
6241                 if (SMB_VFS_STAT(conn, smb_fname_tmp) != 0) {
6242                         status = map_nt_error_from_unix(errno);
6243                         TALLOC_FREE(smb_fname_tmp);
6244                         SMB_VFS_UNLINK(conn, smb_fname);
6245                         return status;
6246                 }
6247
6248                 sbuf = smb_fname_tmp->st;
6249                 TALLOC_FREE(smb_fname_tmp);
6250
6251                 /* Ensure we don't try and change anything else. */
6252                 raw_unixmode = SMB_MODE_NO_CHANGE;
6253                 size = get_file_size_stat(&sbuf);
6254                 ft.atime = sbuf.st_ex_atime;
6255                 ft.mtime = sbuf.st_ex_mtime;
6256                 /*
6257                  * We continue here as we might want to change the
6258                  * owner uid/gid.
6259                  */
6260                 delete_on_fail = True;
6261         }
6262
6263 #if 1
6264         /* Horrible backwards compatibility hack as an old server bug
6265          * allowed a CIFS client bug to remain unnoticed :-(. JRA.
6266          * */
6267
6268         if (!size) {
6269                 size = get_file_size_stat(&sbuf);
6270         }
6271 #endif
6272
6273         /*
6274          * Deal with the UNIX specific mode set.
6275          */
6276
6277         if (raw_unixmode != SMB_MODE_NO_CHANGE) {
6278                 DEBUG(10,("smb_set_file_unix_basic: SMB_SET_FILE_UNIX_BASIC "
6279                           "setting mode 0%o for file %s\n",
6280                           (unsigned int)unixmode,
6281                           smb_fname_str_dbg(smb_fname)));
6282                 if (SMB_VFS_CHMOD(conn, smb_fname->base_name, unixmode) != 0) {
6283                         return map_nt_error_from_unix(errno);
6284                 }
6285         }
6286
6287         /*
6288          * Deal with the UNIX specific uid set.
6289          */
6290
6291         if ((set_owner != (uid_t)SMB_UID_NO_CHANGE) &&
6292             (sbuf.st_ex_uid != set_owner)) {
6293                 int ret;
6294
6295                 DEBUG(10,("smb_set_file_unix_basic: SMB_SET_FILE_UNIX_BASIC "
6296                           "changing owner %u for path %s\n",
6297                           (unsigned int)set_owner,
6298                           smb_fname_str_dbg(smb_fname)));
6299
6300                 if (S_ISLNK(sbuf.st_ex_mode)) {
6301                         ret = SMB_VFS_LCHOWN(conn, smb_fname->base_name,
6302                                              set_owner, (gid_t)-1);
6303                 } else {
6304                         ret = SMB_VFS_CHOWN(conn, smb_fname->base_name,
6305                                             set_owner, (gid_t)-1);
6306                 }
6307
6308                 if (ret != 0) {
6309                         status = map_nt_error_from_unix(errno);
6310                         if (delete_on_fail) {
6311                                 SMB_VFS_UNLINK(conn, smb_fname);
6312                         }
6313                         return status;
6314                 }
6315         }
6316
6317         /*
6318          * Deal with the UNIX specific gid set.
6319          */
6320
6321         if ((set_grp != (uid_t)SMB_GID_NO_CHANGE) &&
6322             (sbuf.st_ex_gid != set_grp)) {
6323                 DEBUG(10,("smb_set_file_unix_basic: SMB_SET_FILE_UNIX_BASIC "
6324                           "changing group %u for file %s\n",
6325                           (unsigned int)set_owner,
6326                           smb_fname_str_dbg(smb_fname)));
6327                 if (SMB_VFS_CHOWN(conn, smb_fname->base_name, (uid_t)-1,
6328                                   set_grp) != 0) {
6329                         status = map_nt_error_from_unix(errno);
6330                         if (delete_on_fail) {
6331                                 SMB_VFS_UNLINK(conn, smb_fname);
6332                         }
6333                         return status;
6334                 }
6335         }
6336
6337         /* Deal with any size changes. */
6338
6339         status = smb_set_file_size(conn, req,
6340                                    fsp,
6341                                    smb_fname,
6342                                    &sbuf,
6343                                    size);
6344         if (!NT_STATUS_IS_OK(status)) {
6345                 return status;
6346         }
6347
6348         /* Deal with any time changes. */
6349         if (null_timespec(ft.mtime) && null_timespec(ft.atime)) {
6350                 /* No change, don't cancel anything. */
6351                 return status;
6352         }
6353
6354         id = vfs_file_id_from_sbuf(conn, &sbuf);
6355         for(all_fsps = file_find_di_first(id); all_fsps;
6356                         all_fsps = file_find_di_next(all_fsps)) {
6357                 /*
6358                  * We're setting the time explicitly for UNIX.
6359                  * Cancel any pending changes over all handles.
6360                  */
6361                 all_fsps->update_write_time_on_close = false;
6362                 TALLOC_FREE(all_fsps->update_write_time_event);
6363         }
6364
6365         /*
6366          * Override the "setting_write_time"
6367          * parameter here as it almost does what
6368          * we need. Just remember if we modified
6369          * mtime and send the notify ourselves.
6370          */
6371         if (null_timespec(ft.mtime)) {
6372                 modify_mtime = false;
6373         }
6374
6375         status = smb_set_file_time(conn,
6376                                 fsp,
6377                                 smb_fname,
6378                                 &ft,
6379                                 false);
6380         if (modify_mtime) {
6381                 notify_fname(conn, NOTIFY_ACTION_MODIFIED,
6382                         FILE_NOTIFY_CHANGE_LAST_WRITE, smb_fname->base_name);
6383         }
6384         return status;
6385 }
6386
6387 /****************************************************************************
6388  Deal with SMB_SET_FILE_UNIX_INFO2.
6389 ****************************************************************************/
6390
6391 static NTSTATUS smb_set_file_unix_info2(connection_struct *conn,
6392                                         struct smb_request *req,
6393                                         const char *pdata,
6394                                         int total_data,
6395                                         files_struct *fsp,
6396                                         const struct smb_filename *smb_fname)
6397 {
6398         NTSTATUS status;
6399         uint32 smb_fflags;
6400         uint32 smb_fmask;
6401
6402         if (total_data < 116) {
6403                 return NT_STATUS_INVALID_PARAMETER;
6404         }
6405
6406         /* Start by setting all the fields that are common between UNIX_BASIC
6407          * and UNIX_INFO2.
6408          */
6409         status = smb_set_file_unix_basic(conn, req, pdata, total_data,
6410                                          fsp, smb_fname);
6411         if (!NT_STATUS_IS_OK(status)) {
6412                 return status;
6413         }
6414
6415         smb_fflags = IVAL(pdata, 108);
6416         smb_fmask = IVAL(pdata, 112);
6417
6418         /* NB: We should only attempt to alter the file flags if the client
6419          * sends a non-zero mask.
6420          */
6421         if (smb_fmask != 0) {
6422                 int stat_fflags = 0;
6423
6424                 if (!map_info2_flags_to_sbuf(&smb_fname->st, smb_fflags,
6425                                              smb_fmask, &stat_fflags)) {
6426                         /* Client asked to alter a flag we don't understand. */
6427                         return NT_STATUS_INVALID_PARAMETER;
6428                 }
6429
6430                 if (fsp && fsp->fh->fd != -1) {
6431                         /* XXX: we should be  using SMB_VFS_FCHFLAGS here. */
6432                         return NT_STATUS_NOT_SUPPORTED;
6433                 } else {
6434                         if (SMB_VFS_CHFLAGS(conn, smb_fname->base_name,
6435                                             stat_fflags) != 0) {
6436                                 return map_nt_error_from_unix(errno);
6437                         }
6438                 }
6439         }
6440
6441         /* XXX: need to add support for changing the create_time here. You
6442          * can do this for paths on Darwin with setattrlist(2). The right way
6443          * to hook this up is probably by extending the VFS utimes interface.
6444          */
6445
6446         return NT_STATUS_OK;
6447 }
6448
6449 /****************************************************************************
6450  Create a directory with POSIX semantics.
6451 ****************************************************************************/
6452
6453 static NTSTATUS smb_posix_mkdir(connection_struct *conn,
6454                                 struct smb_request *req,
6455                                 char **ppdata,
6456                                 int total_data,
6457                                 const char *fname,
6458                                 SMB_STRUCT_STAT *psbuf,
6459                                 int *pdata_return_size)
6460 {
6461         struct smb_filename *smb_fname;
6462         NTSTATUS status = NT_STATUS_OK;
6463         uint32 raw_unixmode = 0;
6464         uint32 mod_unixmode = 0;
6465         mode_t unixmode = (mode_t)0;
6466         files_struct *fsp = NULL;
6467         uint16 info_level_return = 0;
6468         int info;
6469         char *pdata = *ppdata;
6470
6471         if (total_data < 18) {
6472                 return NT_STATUS_INVALID_PARAMETER;
6473         }
6474
6475         raw_unixmode = IVAL(pdata,8);
6476         /* Next 4 bytes are not yet defined. */
6477
6478         status = unix_perms_from_wire(conn, psbuf, raw_unixmode, PERM_NEW_DIR, &unixmode);
6479         if (!NT_STATUS_IS_OK(status)) {
6480                 return status;
6481         }
6482
6483         mod_unixmode = (uint32)unixmode | FILE_FLAG_POSIX_SEMANTICS;
6484
6485         DEBUG(10,("smb_posix_mkdir: file %s, mode 0%o\n",
6486                 fname, (unsigned int)unixmode ));
6487
6488         status = create_synthetic_smb_fname_split(talloc_tos(), fname, psbuf,
6489                                                   &smb_fname);
6490         if (!NT_STATUS_IS_OK(status)) {
6491                 return status;
6492         }
6493
6494         status = SMB_VFS_CREATE_FILE(
6495                 conn,                                   /* conn */
6496                 req,                                    /* req */
6497                 0,                                      /* root_dir_fid */
6498                 smb_fname,                              /* fname */
6499                 FILE_READ_ATTRIBUTES,                   /* access_mask */
6500                 FILE_SHARE_NONE,                        /* share_access */
6501                 FILE_CREATE,                            /* create_disposition*/
6502                 FILE_DIRECTORY_FILE,                    /* create_options */
6503                 mod_unixmode,                           /* file_attributes */
6504                 0,                                      /* oplock_request */
6505                 0,                                      /* allocation_size */
6506                 NULL,                                   /* sd */
6507                 NULL,                                   /* ea_list */
6508                 &fsp,                                   /* result */
6509                 &info);                                 /* pinfo */
6510
6511         *psbuf = smb_fname->st;
6512         TALLOC_FREE(smb_fname);
6513
6514         if (NT_STATUS_IS_OK(status)) {
6515                 close_file(req, fsp, NORMAL_CLOSE);
6516         }
6517
6518         info_level_return = SVAL(pdata,16);
6519
6520         if (info_level_return == SMB_QUERY_FILE_UNIX_BASIC) {
6521                 *pdata_return_size = 12 + SMB_FILE_UNIX_BASIC_SIZE;
6522         } else if (info_level_return ==  SMB_QUERY_FILE_UNIX_INFO2) {
6523                 *pdata_return_size = 12 + SMB_FILE_UNIX_INFO2_SIZE;
6524         } else {
6525                 *pdata_return_size = 12;
6526         }
6527
6528         /* Realloc the data size */
6529         *ppdata = (char *)SMB_REALLOC(*ppdata,*pdata_return_size);
6530         if (*ppdata == NULL) {
6531                 *pdata_return_size = 0;
6532                 return NT_STATUS_NO_MEMORY;
6533         }
6534         pdata = *ppdata;
6535
6536         SSVAL(pdata,0,NO_OPLOCK_RETURN);
6537         SSVAL(pdata,2,0); /* No fnum. */
6538         SIVAL(pdata,4,info); /* Was directory created. */
6539
6540         switch (info_level_return) {
6541                 case SMB_QUERY_FILE_UNIX_BASIC:
6542                         SSVAL(pdata,8,SMB_QUERY_FILE_UNIX_BASIC);
6543                         SSVAL(pdata,10,0); /* Padding. */
6544                         store_file_unix_basic(conn, pdata + 12, fsp, psbuf);
6545                         break;
6546                 case SMB_QUERY_FILE_UNIX_INFO2:
6547                         SSVAL(pdata,8,SMB_QUERY_FILE_UNIX_INFO2);
6548                         SSVAL(pdata,10,0); /* Padding. */
6549                         store_file_unix_basic_info2(conn, pdata + 12, fsp, psbuf);
6550                         break;
6551                 default:
6552                         SSVAL(pdata,8,SMB_NO_INFO_LEVEL_RETURNED);
6553                         SSVAL(pdata,10,0); /* Padding. */
6554                         break;
6555         }
6556
6557         return status;
6558 }
6559
6560 /****************************************************************************
6561  Open/Create a file with POSIX semantics.
6562 ****************************************************************************/
6563
6564 static NTSTATUS smb_posix_open(connection_struct *conn,
6565                                struct smb_request *req,
6566                                 char **ppdata,
6567                                 int total_data,
6568                                 const char *fname,
6569                                 SMB_STRUCT_STAT *psbuf,
6570                                 int *pdata_return_size)
6571 {
6572         struct smb_filename *smb_fname = NULL;
6573         bool extended_oplock_granted = False;
6574         char *pdata = *ppdata;
6575         uint32 flags = 0;
6576         uint32 wire_open_mode = 0;
6577         uint32 raw_unixmode = 0;
6578         uint32 mod_unixmode = 0;
6579         uint32 create_disp = 0;
6580         uint32 access_mask = 0;
6581         uint32 create_options = 0;
6582         NTSTATUS status = NT_STATUS_OK;
6583         mode_t unixmode = (mode_t)0;
6584         files_struct *fsp = NULL;
6585         int oplock_request = 0;
6586         int info = 0;
6587         uint16 info_level_return = 0;
6588
6589         if (total_data < 18) {
6590                 return NT_STATUS_INVALID_PARAMETER;
6591         }
6592
6593         flags = IVAL(pdata,0);
6594         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
6595         if (oplock_request) {
6596                 oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
6597         }
6598
6599         wire_open_mode = IVAL(pdata,4);
6600
6601         if (wire_open_mode == (SMB_O_CREAT|SMB_O_DIRECTORY)) {
6602                 return smb_posix_mkdir(conn, req,
6603                                         ppdata,
6604                                         total_data,
6605                                         fname,
6606                                         psbuf,
6607                                         pdata_return_size);
6608         }
6609
6610         switch (wire_open_mode & SMB_ACCMODE) {
6611                 case SMB_O_RDONLY:
6612                         access_mask = FILE_READ_DATA;
6613                         break;
6614                 case SMB_O_WRONLY:
6615                         access_mask = FILE_WRITE_DATA;
6616                         break;
6617                 case SMB_O_RDWR:
6618                         access_mask = FILE_READ_DATA|FILE_WRITE_DATA;
6619                         break;
6620                 default:
6621                         DEBUG(5,("smb_posix_open: invalid open mode 0x%x\n",
6622                                 (unsigned int)wire_open_mode ));
6623                         return NT_STATUS_INVALID_PARAMETER;
6624         }
6625
6626         wire_open_mode &= ~SMB_ACCMODE;
6627
6628         if((wire_open_mode & (SMB_O_CREAT | SMB_O_EXCL)) == (SMB_O_CREAT | SMB_O_EXCL)) {
6629                 create_disp = FILE_CREATE;
6630         } else if((wire_open_mode & (SMB_O_CREAT | SMB_O_TRUNC)) == (SMB_O_CREAT | SMB_O_TRUNC)) {
6631                 create_disp = FILE_OVERWRITE_IF;
6632         } else if((wire_open_mode & SMB_O_CREAT) == SMB_O_CREAT) {
6633                 create_disp = FILE_OPEN_IF;
6634         } else if ((wire_open_mode & (SMB_O_CREAT | SMB_O_EXCL | SMB_O_TRUNC)) == 0) {
6635                 create_disp = FILE_OPEN;
6636         } else {
6637                 DEBUG(5,("smb_posix_open: invalid create mode 0x%x\n",
6638                         (unsigned int)wire_open_mode ));
6639                 return NT_STATUS_INVALID_PARAMETER;
6640         }
6641
6642         raw_unixmode = IVAL(pdata,8);
6643         /* Next 4 bytes are not yet defined. */
6644
6645         status = unix_perms_from_wire(conn,
6646                                 psbuf,
6647                                 raw_unixmode,
6648                                 VALID_STAT(*psbuf) ? PERM_EXISTING_FILE : PERM_NEW_FILE,
6649                                 &unixmode);
6650
6651         if (!NT_STATUS_IS_OK(status)) {
6652                 return status;
6653         }
6654
6655         mod_unixmode = (uint32)unixmode | FILE_FLAG_POSIX_SEMANTICS;
6656
6657         if (wire_open_mode & SMB_O_SYNC) {
6658                 create_options |= FILE_WRITE_THROUGH;
6659         }
6660         if (wire_open_mode & SMB_O_APPEND) {
6661                 access_mask |= FILE_APPEND_DATA;
6662         }
6663         if (wire_open_mode & SMB_O_DIRECT) {
6664                 mod_unixmode |= FILE_FLAG_NO_BUFFERING;
6665         }
6666
6667         DEBUG(10,("smb_posix_open: file %s, smb_posix_flags = %u, mode 0%o\n",
6668                 fname,
6669                 (unsigned int)wire_open_mode,
6670                 (unsigned int)unixmode ));
6671
6672         status = create_synthetic_smb_fname_split(talloc_tos(), fname, psbuf,
6673                                                   &smb_fname);
6674         if (!NT_STATUS_IS_OK(status)) {
6675                 return status;
6676         }
6677
6678         status = SMB_VFS_CREATE_FILE(
6679                 conn,                                   /* conn */
6680                 req,                                    /* req */
6681                 0,                                      /* root_dir_fid */
6682                 smb_fname,                              /* fname */
6683                 access_mask,                            /* access_mask */
6684                 (FILE_SHARE_READ | FILE_SHARE_WRITE |   /* share_access */
6685                     FILE_SHARE_DELETE),
6686                 create_disp,                            /* create_disposition*/
6687                 FILE_NON_DIRECTORY_FILE,                /* create_options */
6688                 mod_unixmode,                           /* file_attributes */
6689                 oplock_request,                         /* oplock_request */
6690                 0,                                      /* allocation_size */
6691                 NULL,                                   /* sd */
6692                 NULL,                                   /* ea_list */
6693                 &fsp,                                   /* result */
6694                 &info);                                 /* pinfo */
6695
6696         *psbuf = smb_fname->st;
6697         TALLOC_FREE(smb_fname);
6698
6699         if (!NT_STATUS_IS_OK(status)) {
6700                 return status;
6701         }
6702
6703         if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
6704                 extended_oplock_granted = True;
6705         }
6706
6707         if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
6708                 extended_oplock_granted = True;
6709         }
6710
6711         info_level_return = SVAL(pdata,16);
6712
6713         /* Allocate the correct return size. */
6714
6715         if (info_level_return == SMB_QUERY_FILE_UNIX_BASIC) {
6716                 *pdata_return_size = 12 + SMB_FILE_UNIX_BASIC_SIZE;
6717         } else if (info_level_return ==  SMB_QUERY_FILE_UNIX_INFO2) {
6718                 *pdata_return_size = 12 + SMB_FILE_UNIX_INFO2_SIZE;
6719         } else {
6720                 *pdata_return_size = 12;
6721         }
6722
6723         /* Realloc the data size */
6724         *ppdata = (char *)SMB_REALLOC(*ppdata,*pdata_return_size);
6725         if (*ppdata == NULL) {
6726                 close_file(req, fsp, ERROR_CLOSE);
6727                 *pdata_return_size = 0;
6728                 return NT_STATUS_NO_MEMORY;
6729         }
6730         pdata = *ppdata;
6731
6732         if (extended_oplock_granted) {
6733                 if (flags & REQUEST_BATCH_OPLOCK) {
6734                         SSVAL(pdata,0, BATCH_OPLOCK_RETURN);
6735                 } else {
6736                         SSVAL(pdata,0, EXCLUSIVE_OPLOCK_RETURN);
6737                 }
6738         } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
6739                 SSVAL(pdata,0, LEVEL_II_OPLOCK_RETURN);
6740         } else {
6741                 SSVAL(pdata,0,NO_OPLOCK_RETURN);
6742         }
6743
6744         SSVAL(pdata,2,fsp->fnum);
6745         SIVAL(pdata,4,info); /* Was file created etc. */
6746
6747         switch (info_level_return) {
6748                 case SMB_QUERY_FILE_UNIX_BASIC:
6749                         SSVAL(pdata,8,SMB_QUERY_FILE_UNIX_BASIC);
6750                         SSVAL(pdata,10,0); /* padding. */
6751                         store_file_unix_basic(conn, pdata + 12, fsp, psbuf);
6752                         break;
6753                 case SMB_QUERY_FILE_UNIX_INFO2:
6754                         SSVAL(pdata,8,SMB_QUERY_FILE_UNIX_INFO2);
6755                         SSVAL(pdata,10,0); /* padding. */
6756                         store_file_unix_basic_info2(conn, pdata + 12, fsp, psbuf);
6757                         break;
6758                 default:
6759                         SSVAL(pdata,8,SMB_NO_INFO_LEVEL_RETURNED);
6760                         SSVAL(pdata,10,0); /* padding. */
6761                         break;
6762         }
6763         return NT_STATUS_OK;
6764 }
6765
6766 /****************************************************************************
6767  Delete a file with POSIX semantics.
6768 ****************************************************************************/
6769
6770 static NTSTATUS smb_posix_unlink(connection_struct *conn,
6771                                  struct smb_request *req,
6772                                 const char *pdata,
6773                                 int total_data,
6774                                 struct smb_filename *smb_fname)
6775 {
6776         NTSTATUS status = NT_STATUS_OK;
6777         files_struct *fsp = NULL;
6778         uint16 flags = 0;
6779         char del = 1;
6780         int info = 0;
6781         int create_options = 0;
6782         int i;
6783         struct share_mode_lock *lck = NULL;
6784
6785         if (total_data < 2) {
6786                 return NT_STATUS_INVALID_PARAMETER;
6787         }
6788
6789         flags = SVAL(pdata,0);
6790
6791         if (!VALID_STAT(smb_fname->st)) {
6792                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
6793         }
6794
6795         if ((flags == SMB_POSIX_UNLINK_DIRECTORY_TARGET) &&
6796                         !VALID_STAT_OF_DIR(smb_fname->st)) {
6797                 return NT_STATUS_NOT_A_DIRECTORY;
6798         }
6799
6800         DEBUG(10,("smb_posix_unlink: %s %s\n",
6801                 (flags == SMB_POSIX_UNLINK_DIRECTORY_TARGET) ? "directory" : "file",
6802                 smb_fname_str_dbg(smb_fname)));
6803
6804         if (VALID_STAT_OF_DIR(smb_fname->st)) {
6805                 create_options |= FILE_DIRECTORY_FILE;
6806         }
6807
6808         status = SMB_VFS_CREATE_FILE(
6809                 conn,                                   /* conn */
6810                 req,                                    /* req */
6811                 0,                                      /* root_dir_fid */
6812                 smb_fname,                              /* fname */
6813                 DELETE_ACCESS,                          /* access_mask */
6814                 (FILE_SHARE_READ | FILE_SHARE_WRITE |   /* share_access */
6815                     FILE_SHARE_DELETE),
6816                 FILE_OPEN,                              /* create_disposition*/
6817                 create_options,                         /* create_options */
6818                 FILE_FLAG_POSIX_SEMANTICS|0777,         /* file_attributes */
6819                 0,                                      /* oplock_request */
6820                 0,                                      /* allocation_size */
6821                 NULL,                                   /* sd */
6822                 NULL,                                   /* ea_list */
6823                 &fsp,                                   /* result */
6824                 &info);                                 /* pinfo */
6825
6826         if (!NT_STATUS_IS_OK(status)) {
6827                 return status;
6828         }
6829
6830         /*
6831          * Don't lie to client. If we can't really delete due to
6832          * non-POSIX opens return SHARING_VIOLATION.
6833          */
6834
6835         lck = get_share_mode_lock(talloc_tos(), fsp->file_id, NULL, NULL,
6836                                   NULL);
6837         if (lck == NULL) {
6838                 DEBUG(0, ("smb_posix_unlink: Could not get share mode "
6839                         "lock for file %s\n", fsp->fsp_name));
6840                 close_file(req, fsp, NORMAL_CLOSE);
6841                 return NT_STATUS_INVALID_PARAMETER;
6842         }
6843
6844         /*
6845          * See if others still have the file open. If this is the case, then
6846          * don't delete. If all opens are POSIX delete we can set the delete
6847          * on close disposition.
6848          */
6849         for (i=0; i<lck->num_share_modes; i++) {
6850                 struct share_mode_entry *e = &lck->share_modes[i];
6851                 if (is_valid_share_mode_entry(e)) {
6852                         if (e->flags & SHARE_MODE_FLAG_POSIX_OPEN) {
6853                                 continue;
6854                         }
6855                         /* Fail with sharing violation. */
6856                         close_file(req, fsp, NORMAL_CLOSE);
6857                         TALLOC_FREE(lck);
6858                         return NT_STATUS_SHARING_VIOLATION;
6859                 }
6860         }
6861
6862         /*
6863          * Set the delete on close.
6864          */
6865         status = smb_set_file_disposition_info(conn,
6866                                                 &del,
6867                                                 1,
6868                                                 fsp,
6869                                                 smb_fname);
6870
6871         if (!NT_STATUS_IS_OK(status)) {
6872                 close_file(req, fsp, NORMAL_CLOSE);
6873                 TALLOC_FREE(lck);
6874                 return status;
6875         }
6876         TALLOC_FREE(lck);
6877         return close_file(req, fsp, NORMAL_CLOSE);
6878 }
6879
6880 /****************************************************************************
6881  Reply to a TRANS2_SETFILEINFO (set file info by fileid or pathname).
6882 ****************************************************************************/
6883
6884 static void call_trans2setfilepathinfo(connection_struct *conn,
6885                                        struct smb_request *req,
6886                                        unsigned int tran_call,
6887                                        char **pparams, int total_params,
6888                                        char **ppdata, int total_data,
6889                                        unsigned int max_data_bytes)
6890 {
6891         char *params = *pparams;
6892         char *pdata = *ppdata;
6893         uint16 info_level;
6894         SMB_STRUCT_STAT sbuf;
6895         char *fname = NULL;
6896         struct smb_filename *smb_fname = NULL;
6897         files_struct *fsp = NULL;
6898         NTSTATUS status = NT_STATUS_OK;
6899         int data_return_size = 0;
6900         TALLOC_CTX *ctx = talloc_tos();
6901
6902         if (!params) {
6903                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
6904                 return;
6905         }
6906
6907         if (tran_call == TRANSACT2_SETFILEINFO) {
6908                 if (total_params < 4) {
6909                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
6910                         return;
6911                 }
6912
6913                 fsp = file_fsp(req, SVAL(params,0));
6914                 /* Basic check for non-null fsp. */
6915                 if (!check_fsp_open(conn, req, fsp)) {
6916                         return;
6917                 }
6918                 info_level = SVAL(params,2);
6919
6920                 fname = talloc_strdup(talloc_tos(),fsp->fsp_name);
6921                 if (!fname) {
6922                         reply_nterror(req, NT_STATUS_NO_MEMORY);
6923                         return;
6924                 }
6925
6926                 status = create_synthetic_smb_fname_split(talloc_tos(), fname,
6927                                                           NULL, &smb_fname);
6928                 if (!NT_STATUS_IS_OK(status)) {
6929                         reply_nterror(req, status);
6930                         return;
6931                 }
6932
6933                 if(fsp->is_directory || fsp->fh->fd == -1) {
6934                         /*
6935                          * This is actually a SETFILEINFO on a directory
6936                          * handle (returned from an NT SMB). NT5.0 seems
6937                          * to do this call. JRA.
6938                          */
6939                         if (INFO_LEVEL_IS_UNIX(info_level)) {
6940                                 /* Always do lstat for UNIX calls. */
6941                                 if (SMB_VFS_LSTAT(conn, smb_fname)) {
6942                                         DEBUG(3,("call_trans2setfilepathinfo: "
6943                                                  "SMB_VFS_LSTAT of %s failed "
6944                                                  "(%s)\n",
6945                                                  smb_fname_str_dbg(smb_fname),
6946                                                  strerror(errno)));
6947                                         reply_unixerror(req,ERRDOS,ERRbadpath);
6948                                         return;
6949                                 }
6950                         } else {
6951                                 if (SMB_VFS_STAT(conn, smb_fname) != 0) {
6952                                         DEBUG(3,("call_trans2setfilepathinfo: "
6953                                                  "fileinfo of %s failed (%s)\n",
6954                                                  smb_fname_str_dbg(smb_fname),
6955                                                  strerror(errno)));
6956                                         reply_unixerror(req,ERRDOS,ERRbadpath);
6957                                         return;
6958                                 }
6959                         }
6960                 } else if (fsp->print_file) {
6961                         /*
6962                          * Doing a DELETE_ON_CLOSE should cancel a print job.
6963                          */
6964                         if ((info_level == SMB_SET_FILE_DISPOSITION_INFO) && CVAL(pdata,0)) {
6965                                 fsp->fh->private_options |= FILE_DELETE_ON_CLOSE;
6966
6967                                 DEBUG(3,("call_trans2setfilepathinfo: Cancelling print job (%s)\n", fsp->fsp_name ));
6968
6969                                 SSVAL(params,0,0);
6970                                 send_trans2_replies(conn, req, params, 2,
6971                                                     *ppdata, 0,
6972                                                     max_data_bytes);
6973                                 return;
6974                         } else {
6975                                 reply_unixerror(req, ERRDOS, ERRbadpath);
6976                                 return;
6977                         }
6978                 } else {
6979                         /*
6980                          * Original code - this is an open file.
6981                          */
6982                         if (!check_fsp(conn, req, fsp)) {
6983                                 return;
6984                         }
6985
6986                         if (SMB_VFS_FSTAT(fsp, &smb_fname->st) != 0) {
6987                                 DEBUG(3,("call_trans2setfilepathinfo: fstat "
6988                                          "of fnum %d failed (%s)\n", fsp->fnum,
6989                                          strerror(errno)));
6990                                 reply_unixerror(req, ERRDOS, ERRbadfid);
6991                                 return;
6992                         }
6993                 }
6994         } else {
6995                 /* set path info */
6996                 if (total_params < 7) {
6997                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
6998                         return;
6999                 }
7000
7001                 info_level = SVAL(params,0);
7002                 srvstr_get_path(ctx, params, req->flags2, &fname, &params[6],
7003                                 total_params - 6, STR_TERMINATE,
7004                                 &status);
7005                 if (!NT_STATUS_IS_OK(status)) {
7006                         reply_nterror(req, status);
7007                         return;
7008                 }
7009
7010                 status = filename_convert(ctx, conn,
7011                                          req->flags2 & FLAGS2_DFS_PATHNAMES,
7012                                          fname,
7013                                          &smb_fname,
7014                                          &fname);
7015                 if (!NT_STATUS_IS_OK(status)) {
7016                         if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
7017                                 reply_botherror(req,
7018                                                 NT_STATUS_PATH_NOT_COVERED,
7019                                                 ERRSRV, ERRbadpath);
7020                                 return;
7021                         }
7022                         reply_nterror(req, status);
7023                         return;
7024                 }
7025
7026                 if (INFO_LEVEL_IS_UNIX(info_level)) {
7027                         /*
7028                          * For CIFS UNIX extensions the target name may not exist.
7029                          */
7030
7031                         /* Always do lstat for UNIX calls. */
7032                         SMB_VFS_LSTAT(conn, smb_fname);
7033
7034                 } else if (!VALID_STAT(smb_fname->st) &&
7035                            SMB_VFS_STAT(conn, smb_fname)) {
7036                         DEBUG(3,("call_trans2setfilepathinfo: SMB_VFS_STAT of "
7037                                  "%s failed (%s)\n",
7038                                  smb_fname_str_dbg(smb_fname),
7039                                  strerror(errno)));
7040                         reply_unixerror(req, ERRDOS, ERRbadpath);
7041                         return;
7042                 }
7043         }
7044
7045         /* Set sbuf for use below. */
7046         sbuf = smb_fname->st;
7047
7048         if (INFO_LEVEL_IS_UNIX(info_level) && !lp_unix_extensions()) {
7049                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
7050                 return;
7051         }
7052
7053         if (!CAN_WRITE(conn)) {
7054                 /* Allow POSIX opens. The open path will deny
7055                  * any non-readonly opens. */
7056                 if (info_level != SMB_POSIX_PATH_OPEN) {
7057                         reply_doserror(req, ERRSRV, ERRaccess);
7058                         return;
7059                 }
7060         }
7061
7062         DEBUG(3,("call_trans2setfilepathinfo(%d) %s (fnum %d) info_level=%d totdata=%d\n",
7063                 tran_call,fname, fsp ? fsp->fnum : -1, info_level,total_data));
7064
7065         /* Realloc the parameter size */
7066         *pparams = (char *)SMB_REALLOC(*pparams,2);
7067         if (*pparams == NULL) {
7068                 reply_nterror(req, NT_STATUS_NO_MEMORY);
7069                 return;
7070         }
7071         params = *pparams;
7072
7073         SSVAL(params,0,0);
7074
7075         switch (info_level) {
7076
7077                 case SMB_INFO_STANDARD:
7078                 {
7079                         status = smb_set_info_standard(conn,
7080                                         pdata,
7081                                         total_data,
7082                                         fsp,
7083                                         smb_fname);
7084                         break;
7085                 }
7086
7087                 case SMB_INFO_SET_EA:
7088                 {
7089                         status = smb_info_set_ea(conn,
7090                                                 pdata,
7091                                                 total_data,
7092                                                 fsp,
7093                                                 smb_fname);
7094                         break;
7095                 }
7096
7097                 case SMB_SET_FILE_BASIC_INFO:
7098                 case SMB_FILE_BASIC_INFORMATION:
7099                 {
7100                         status = smb_set_file_basic_info(conn,
7101                                                         pdata,
7102                                                         total_data,
7103                                                         fsp,
7104                                                         smb_fname);
7105                         break;
7106                 }
7107
7108                 case SMB_FILE_ALLOCATION_INFORMATION:
7109                 case SMB_SET_FILE_ALLOCATION_INFO:
7110                 {
7111                         status = smb_set_file_allocation_info(conn, req,
7112                                                                 pdata,
7113                                                                 total_data,
7114                                                                 fsp,
7115                                                                 fname,
7116                                                                 &sbuf);
7117                         break;
7118                 }
7119
7120                 case SMB_FILE_END_OF_FILE_INFORMATION:
7121                 case SMB_SET_FILE_END_OF_FILE_INFO:
7122                 {
7123                         status = smb_set_file_end_of_file_info(conn, req,
7124                                                                 pdata,
7125                                                                 total_data,
7126                                                                 fsp,
7127                                                                 smb_fname);
7128                         break;
7129                 }
7130
7131                 case SMB_FILE_DISPOSITION_INFORMATION:
7132                 case SMB_SET_FILE_DISPOSITION_INFO: /* Set delete on close for open file. */
7133                 {
7134 #if 0
7135                         /* JRA - We used to just ignore this on a path ?
7136                          * Shouldn't this be invalid level on a pathname
7137                          * based call ?
7138                          */
7139                         if (tran_call != TRANSACT2_SETFILEINFO) {
7140                                 return ERROR_NT(NT_STATUS_INVALID_LEVEL);
7141                         }
7142 #endif
7143                         status = smb_set_file_disposition_info(conn,
7144                                                 pdata,
7145                                                 total_data,
7146                                                 fsp,
7147                                                 smb_fname);
7148                         break;
7149                 }
7150
7151                 case SMB_FILE_POSITION_INFORMATION:
7152                 {
7153                         status = smb_file_position_information(conn,
7154                                                 pdata,
7155                                                 total_data,
7156                                                 fsp);
7157                         break;
7158                 }
7159
7160                 /* From tridge Samba4 :
7161                  * MODE_INFORMATION in setfileinfo (I have no
7162                  * idea what "mode information" on a file is - it takes a value of 0,
7163                  * 2, 4 or 6. What could it be?).
7164                  */
7165
7166                 case SMB_FILE_MODE_INFORMATION:
7167                 {
7168                         status = smb_file_mode_information(conn,
7169                                                 pdata,
7170                                                 total_data);
7171                         break;
7172                 }
7173
7174                 /*
7175                  * CIFS UNIX extensions.
7176                  */
7177
7178                 case SMB_SET_FILE_UNIX_BASIC:
7179                 {
7180                         status = smb_set_file_unix_basic(conn, req,
7181                                                         pdata,
7182                                                         total_data,
7183                                                         fsp,
7184                                                         smb_fname);
7185                         break;
7186                 }
7187
7188                 case SMB_SET_FILE_UNIX_INFO2:
7189                 {
7190                         status = smb_set_file_unix_info2(conn, req,
7191                                                         pdata,
7192                                                         total_data,
7193                                                         fsp,
7194                                                         smb_fname);
7195                         break;
7196                 }
7197
7198                 case SMB_SET_FILE_UNIX_LINK:
7199                 {
7200                         if (tran_call != TRANSACT2_SETPATHINFO) {
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_link(conn, req, pdata,
7206                                                         total_data, fname);
7207                         break;
7208                 }
7209
7210                 case SMB_SET_FILE_UNIX_HLINK:
7211                 {
7212                         if (tran_call != TRANSACT2_SETPATHINFO || smb_fname == NULL) {
7213                                 /* We must have a pathname for this. */
7214                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
7215                                 return;
7216                         }
7217                         status = smb_set_file_unix_hlink(conn, req,
7218                                                          pdata, total_data,
7219                                                          smb_fname);
7220                         break;
7221                 }
7222
7223                 case SMB_FILE_RENAME_INFORMATION:
7224                 {
7225                         status = smb_file_rename_information(conn, req,
7226                                                              pdata, total_data,
7227                                                              fsp, fname);
7228                         break;
7229                 }
7230
7231 #if defined(HAVE_POSIX_ACLS)
7232                 case SMB_SET_POSIX_ACL:
7233                 {
7234                         status = smb_set_posix_acl(conn,
7235                                                 pdata,
7236                                                 total_data,
7237                                                 fsp,
7238                                                 fname,
7239                                                 &sbuf);
7240                         break;
7241                 }
7242 #endif
7243
7244                 case SMB_SET_POSIX_LOCK:
7245                 {
7246                         if (tran_call != TRANSACT2_SETFILEINFO) {
7247                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
7248                                 return;
7249                         }
7250                         status = smb_set_posix_lock(conn, req,
7251                                                     pdata, total_data, fsp);
7252                         break;
7253                 }
7254
7255                 case SMB_POSIX_PATH_OPEN:
7256                 {
7257                         if (tran_call != TRANSACT2_SETPATHINFO) {
7258                                 /* We must have a pathname for this. */
7259                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
7260                                 return;
7261                         }
7262
7263                         status = smb_posix_open(conn, req,
7264                                                 ppdata,
7265                                                 total_data,
7266                                                 fname,
7267                                                 &sbuf,
7268                                                 &data_return_size);
7269                         break;
7270                 }
7271
7272                 case SMB_POSIX_PATH_UNLINK:
7273                 {
7274                         if (tran_call != TRANSACT2_SETPATHINFO) {
7275                                 /* We must have a pathname for this. */
7276                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
7277                                 return;
7278                         }
7279
7280                         status = smb_posix_unlink(conn, req,
7281                                                 pdata,
7282                                                 total_data,
7283                                                 smb_fname);
7284                         break;
7285                 }
7286
7287                 default:
7288                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
7289                         return;
7290         }
7291
7292         if (!NT_STATUS_IS_OK(status)) {
7293                 if (open_was_deferred(req->mid)) {
7294                         /* We have re-scheduled this call. */
7295                         return;
7296                 }
7297                 if (blocking_lock_was_deferred(req->mid)) {
7298                         /* We have re-scheduled this call. */
7299                         return;
7300                 }
7301                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
7302                         reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
7303                                         ERRSRV, ERRbadpath);
7304                         return;
7305                 }
7306                 if (info_level == SMB_POSIX_PATH_OPEN) {
7307                         reply_openerror(req, status);
7308                         return;
7309                 }
7310
7311                 reply_nterror(req, status);
7312                 return;
7313         }
7314
7315         SSVAL(params,0,0);
7316         send_trans2_replies(conn, req, params, 2, *ppdata, data_return_size,
7317                             max_data_bytes);
7318
7319         return;
7320 }
7321
7322 /****************************************************************************
7323  Reply to a TRANS2_MKDIR (make directory with extended attributes).
7324 ****************************************************************************/
7325
7326 static void call_trans2mkdir(connection_struct *conn, struct smb_request *req,
7327                              char **pparams, int total_params,
7328                              char **ppdata, int total_data,
7329                              unsigned int max_data_bytes)
7330 {
7331         struct smb_filename *smb_dname = NULL;
7332         char *params = *pparams;
7333         char *pdata = *ppdata;
7334         char *directory = NULL;
7335         NTSTATUS status = NT_STATUS_OK;
7336         struct ea_list *ea_list = NULL;
7337         TALLOC_CTX *ctx = talloc_tos();
7338
7339         if (!CAN_WRITE(conn)) {
7340                 reply_doserror(req, ERRSRV, ERRaccess);
7341                 return;
7342         }
7343
7344         if (total_params < 5) {
7345                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7346                 return;
7347         }
7348
7349         srvstr_get_path(ctx, params, req->flags2, &directory, &params[4],
7350                         total_params - 4, STR_TERMINATE,
7351                         &status);
7352         if (!NT_STATUS_IS_OK(status)) {
7353                 reply_nterror(req, status);
7354                 return;
7355         }
7356
7357         DEBUG(3,("call_trans2mkdir : name = %s\n", directory));
7358
7359         status = filename_convert(ctx,
7360                                 conn,
7361                                 req->flags2 & FLAGS2_DFS_PATHNAMES,
7362                                 directory,
7363                                 &smb_dname,
7364                                 NULL);
7365
7366         if (!NT_STATUS_IS_OK(status)) {
7367                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
7368                         reply_botherror(req,
7369                                 NT_STATUS_PATH_NOT_COVERED,
7370                                 ERRSRV, ERRbadpath);
7371                         return;
7372                 }
7373                 reply_nterror(req, status);
7374                 return;
7375         }
7376
7377         /* Any data in this call is an EA list. */
7378         if (total_data && (total_data != 4) && !lp_ea_support(SNUM(conn))) {
7379                 reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
7380                 goto out;
7381         }
7382
7383         /*
7384          * OS/2 workplace shell seems to send SET_EA requests of "null"
7385          * length (4 bytes containing IVAL 4).
7386          * They seem to have no effect. Bug #3212. JRA.
7387          */
7388
7389         if (total_data != 4) {
7390                 if (total_data < 10) {
7391                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7392                         goto out;
7393                 }
7394
7395                 if (IVAL(pdata,0) > total_data) {
7396                         DEBUG(10,("call_trans2mkdir: bad total data size (%u) > %u\n",
7397                                 IVAL(pdata,0), (unsigned int)total_data));
7398                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7399                         goto out;
7400                 }
7401
7402                 ea_list = read_ea_list(talloc_tos(), pdata + 4,
7403                                        total_data - 4);
7404                 if (!ea_list) {
7405                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7406                         goto out;
7407                 }
7408         }
7409         /* If total_data == 4 Windows doesn't care what values
7410          * are placed in that field, it just ignores them.
7411          * The System i QNTC IBM SMB client puts bad values here,
7412          * so ignore them. */
7413
7414         status = create_directory(conn, req, smb_dname);
7415
7416         if (!NT_STATUS_IS_OK(status)) {
7417                 reply_nterror(req, status);
7418                 goto out;
7419         }
7420
7421         /* Try and set any given EA. */
7422         if (ea_list) {
7423                 status = set_ea(conn, NULL, smb_dname, ea_list);
7424                 if (!NT_STATUS_IS_OK(status)) {
7425                         reply_nterror(req, status);
7426                         goto out;
7427                 }
7428         }
7429
7430         /* Realloc the parameter and data sizes */
7431         *pparams = (char *)SMB_REALLOC(*pparams,2);
7432         if(*pparams == NULL) {
7433                 reply_nterror(req, NT_STATUS_NO_MEMORY);
7434                 goto out;
7435         }
7436         params = *pparams;
7437
7438         SSVAL(params,0,0);
7439
7440         send_trans2_replies(conn, req, params, 2, *ppdata, 0, max_data_bytes);
7441
7442  out:
7443         TALLOC_FREE(smb_dname);
7444         return;
7445 }
7446
7447 /****************************************************************************
7448  Reply to a TRANS2_FINDNOTIFYFIRST (start monitoring a directory for changes).
7449  We don't actually do this - we just send a null response.
7450 ****************************************************************************/
7451
7452 static void call_trans2findnotifyfirst(connection_struct *conn,
7453                                        struct smb_request *req,
7454                                        char **pparams, int total_params,
7455                                        char **ppdata, int total_data,
7456                                        unsigned int max_data_bytes)
7457 {
7458         char *params = *pparams;
7459         uint16 info_level;
7460
7461         if (total_params < 6) {
7462                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7463                 return;
7464         }
7465
7466         info_level = SVAL(params,4);
7467         DEBUG(3,("call_trans2findnotifyfirst - info_level %d\n", info_level));
7468
7469         switch (info_level) {
7470                 case 1:
7471                 case 2:
7472                         break;
7473                 default:
7474                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
7475                         return;
7476         }
7477
7478         /* Realloc the parameter and data sizes */
7479         *pparams = (char *)SMB_REALLOC(*pparams,6);
7480         if (*pparams == NULL) {
7481                 reply_nterror(req, NT_STATUS_NO_MEMORY);
7482                 return;
7483         }
7484         params = *pparams;
7485
7486         SSVAL(params,0,fnf_handle);
7487         SSVAL(params,2,0); /* No changes */
7488         SSVAL(params,4,0); /* No EA errors */
7489
7490         fnf_handle++;
7491
7492         if(fnf_handle == 0)
7493                 fnf_handle = 257;
7494
7495         send_trans2_replies(conn, req, params, 6, *ppdata, 0, max_data_bytes);
7496
7497         return;
7498 }
7499
7500 /****************************************************************************
7501  Reply to a TRANS2_FINDNOTIFYNEXT (continue monitoring a directory for
7502  changes). Currently this does nothing.
7503 ****************************************************************************/
7504
7505 static void call_trans2findnotifynext(connection_struct *conn,
7506                                       struct smb_request *req,
7507                                       char **pparams, int total_params,
7508                                       char **ppdata, int total_data,
7509                                       unsigned int max_data_bytes)
7510 {
7511         char *params = *pparams;
7512
7513         DEBUG(3,("call_trans2findnotifynext\n"));
7514
7515         /* Realloc the parameter and data sizes */
7516         *pparams = (char *)SMB_REALLOC(*pparams,4);
7517         if (*pparams == NULL) {
7518                 reply_nterror(req, NT_STATUS_NO_MEMORY);
7519                 return;
7520         }
7521         params = *pparams;
7522
7523         SSVAL(params,0,0); /* No changes */
7524         SSVAL(params,2,0); /* No EA errors */
7525
7526         send_trans2_replies(conn, req, params, 4, *ppdata, 0, max_data_bytes);
7527
7528         return;
7529 }
7530
7531 /****************************************************************************
7532  Reply to a TRANS2_GET_DFS_REFERRAL - Shirish Kalele <kalele@veritas.com>.
7533 ****************************************************************************/
7534
7535 static void call_trans2getdfsreferral(connection_struct *conn,
7536                                       struct smb_request *req,
7537                                       char **pparams, int total_params,
7538                                       char **ppdata, int total_data,
7539                                       unsigned int max_data_bytes)
7540 {
7541         char *params = *pparams;
7542         char *pathname = NULL;
7543         int reply_size = 0;
7544         int max_referral_level;
7545         NTSTATUS status = NT_STATUS_OK;
7546         TALLOC_CTX *ctx = talloc_tos();
7547
7548         DEBUG(10,("call_trans2getdfsreferral\n"));
7549
7550         if (total_params < 3) {
7551                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7552                 return;
7553         }
7554
7555         max_referral_level = SVAL(params,0);
7556
7557         if(!lp_host_msdfs()) {
7558                 reply_doserror(req, ERRDOS, ERRbadfunc);
7559                 return;
7560         }
7561
7562         srvstr_pull_talloc(ctx, params, req->flags2, &pathname, &params[2],
7563                     total_params - 2, STR_TERMINATE);
7564         if (!pathname) {
7565                 reply_nterror(req, NT_STATUS_NOT_FOUND);
7566                 return;
7567         }
7568         if((reply_size = setup_dfs_referral(conn, pathname, max_referral_level,
7569                                             ppdata,&status)) < 0) {
7570                 reply_nterror(req, status);
7571                 return;
7572         }
7573
7574         SSVAL(req->inbuf, smb_flg2,
7575               SVAL(req->inbuf,smb_flg2) | FLAGS2_DFS_PATHNAMES);
7576         send_trans2_replies(conn, req,0,0,*ppdata,reply_size, max_data_bytes);
7577
7578         return;
7579 }
7580
7581 #define LMCAT_SPL       0x53
7582 #define LMFUNC_GETJOBID 0x60
7583
7584 /****************************************************************************
7585  Reply to a TRANS2_IOCTL - used for OS/2 printing.
7586 ****************************************************************************/
7587
7588 static void call_trans2ioctl(connection_struct *conn,
7589                              struct smb_request *req,
7590                              char **pparams, int total_params,
7591                              char **ppdata, int total_data,
7592                              unsigned int max_data_bytes)
7593 {
7594         char *pdata = *ppdata;
7595         files_struct *fsp = file_fsp(req, SVAL(req->vwv+15, 0));
7596
7597         /* check for an invalid fid before proceeding */
7598
7599         if (!fsp) {
7600                 reply_doserror(req, ERRDOS, ERRbadfid);
7601                 return;
7602         }
7603
7604         if ((SVAL(req->vwv+16, 0) == LMCAT_SPL)
7605             && (SVAL(req->vwv+17, 0) == LMFUNC_GETJOBID)) {
7606                 *ppdata = (char *)SMB_REALLOC(*ppdata, 32);
7607                 if (*ppdata == NULL) {
7608                         reply_nterror(req, NT_STATUS_NO_MEMORY);
7609                         return;
7610                 }
7611                 pdata = *ppdata;
7612
7613                 /* NOTE - THIS IS ASCII ONLY AT THE MOMENT - NOT SURE IF OS/2
7614                         CAN ACCEPT THIS IN UNICODE. JRA. */
7615
7616                 SSVAL(pdata,0,fsp->rap_print_jobid);                     /* Job number */
7617                 srvstr_push(pdata, req->flags2, pdata + 2,
7618                             global_myname(), 15,
7619                             STR_ASCII|STR_TERMINATE); /* Our NetBIOS name */
7620                 srvstr_push(pdata, req->flags2, pdata+18,
7621                             lp_servicename(SNUM(conn)), 13,
7622                             STR_ASCII|STR_TERMINATE); /* Service name */
7623                 send_trans2_replies(conn, req, *pparams, 0, *ppdata, 32,
7624                                     max_data_bytes);
7625                 return;
7626         }
7627
7628         DEBUG(2,("Unknown TRANS2_IOCTL\n"));
7629         reply_doserror(req, ERRSRV, ERRerror);
7630 }
7631
7632 /****************************************************************************
7633  Reply to a SMBfindclose (stop trans2 directory search).
7634 ****************************************************************************/
7635
7636 void reply_findclose(struct smb_request *req)
7637 {
7638         int dptr_num;
7639
7640         START_PROFILE(SMBfindclose);
7641
7642         if (req->wct < 1) {
7643                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7644                 END_PROFILE(SMBfindclose);
7645                 return;
7646         }
7647
7648         dptr_num = SVALS(req->vwv+0, 0);
7649
7650         DEBUG(3,("reply_findclose, dptr_num = %d\n", dptr_num));
7651
7652         dptr_close(&dptr_num);
7653
7654         reply_outbuf(req, 0, 0);
7655
7656         DEBUG(3,("SMBfindclose dptr_num = %d\n", dptr_num));
7657
7658         END_PROFILE(SMBfindclose);
7659         return;
7660 }
7661
7662 /****************************************************************************
7663  Reply to a SMBfindnclose (stop FINDNOTIFYFIRST directory search).
7664 ****************************************************************************/
7665
7666 void reply_findnclose(struct smb_request *req)
7667 {
7668         int dptr_num;
7669
7670         START_PROFILE(SMBfindnclose);
7671
7672         if (req->wct < 1) {
7673                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7674                 END_PROFILE(SMBfindnclose);
7675                 return;
7676         }
7677
7678         dptr_num = SVAL(req->vwv+0, 0);
7679
7680         DEBUG(3,("reply_findnclose, dptr_num = %d\n", dptr_num));
7681
7682         /* We never give out valid handles for a
7683            findnotifyfirst - so any dptr_num is ok here.
7684            Just ignore it. */
7685
7686         reply_outbuf(req, 0, 0);
7687
7688         DEBUG(3,("SMB_findnclose dptr_num = %d\n", dptr_num));
7689
7690         END_PROFILE(SMBfindnclose);
7691         return;
7692 }
7693
7694 static void handle_trans2(connection_struct *conn, struct smb_request *req,
7695                           struct trans_state *state)
7696 {
7697         if (Protocol >= PROTOCOL_NT1) {
7698                 req->flags2 |= 0x40; /* IS_LONG_NAME */
7699                 SSVAL(req->inbuf,smb_flg2,req->flags2);
7700         }
7701
7702         if (conn->encrypt_level == Required && !req->encrypted) {
7703                 if (state->call != TRANSACT2_QFSINFO &&
7704                                 state->call != TRANSACT2_SETFSINFO) {
7705                         DEBUG(0,("handle_trans2: encryption required "
7706                                 "with call 0x%x\n",
7707                                 (unsigned int)state->call));
7708                         reply_nterror(req, NT_STATUS_ACCESS_DENIED);
7709                         return;
7710                 }
7711         }
7712
7713         SMB_PERFCOUNT_SET_SUBOP(&req->pcd, state->call);
7714
7715         /* Now we must call the relevant TRANS2 function */
7716         switch(state->call)  {
7717         case TRANSACT2_OPEN:
7718         {
7719                 START_PROFILE(Trans2_open);
7720                 call_trans2open(conn, req,
7721                                 &state->param, state->total_param,
7722                                 &state->data, state->total_data,
7723                                 state->max_data_return);
7724                 END_PROFILE(Trans2_open);
7725                 break;
7726         }
7727
7728         case TRANSACT2_FINDFIRST:
7729         {
7730                 START_PROFILE(Trans2_findfirst);
7731                 call_trans2findfirst(conn, req,
7732                                      &state->param, state->total_param,
7733                                      &state->data, state->total_data,
7734                                      state->max_data_return);
7735                 END_PROFILE(Trans2_findfirst);
7736                 break;
7737         }
7738
7739         case TRANSACT2_FINDNEXT:
7740         {
7741                 START_PROFILE(Trans2_findnext);
7742                 call_trans2findnext(conn, req,
7743                                     &state->param, state->total_param,
7744                                     &state->data, state->total_data,
7745                                     state->max_data_return);
7746                 END_PROFILE(Trans2_findnext);
7747                 break;
7748         }
7749
7750         case TRANSACT2_QFSINFO:
7751         {
7752                 START_PROFILE(Trans2_qfsinfo);
7753                 call_trans2qfsinfo(conn, req,
7754                                    &state->param, state->total_param,
7755                                    &state->data, state->total_data,
7756                                    state->max_data_return);
7757                 END_PROFILE(Trans2_qfsinfo);
7758             break;
7759         }
7760
7761         case TRANSACT2_SETFSINFO:
7762         {
7763                 START_PROFILE(Trans2_setfsinfo);
7764                 call_trans2setfsinfo(conn, req,
7765                                      &state->param, state->total_param,
7766                                      &state->data, state->total_data,
7767                                      state->max_data_return);
7768                 END_PROFILE(Trans2_setfsinfo);
7769                 break;
7770         }
7771
7772         case TRANSACT2_QPATHINFO:
7773         case TRANSACT2_QFILEINFO:
7774         {
7775                 START_PROFILE(Trans2_qpathinfo);
7776                 call_trans2qfilepathinfo(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_qpathinfo);
7781                 break;
7782         }
7783
7784         case TRANSACT2_SETPATHINFO:
7785         case TRANSACT2_SETFILEINFO:
7786         {
7787                 START_PROFILE(Trans2_setpathinfo);
7788                 call_trans2setfilepathinfo(conn, req, state->call,
7789                                            &state->param, state->total_param,
7790                                            &state->data, state->total_data,
7791                                            state->max_data_return);
7792                 END_PROFILE(Trans2_setpathinfo);
7793                 break;
7794         }
7795
7796         case TRANSACT2_FINDNOTIFYFIRST:
7797         {
7798                 START_PROFILE(Trans2_findnotifyfirst);
7799                 call_trans2findnotifyfirst(conn, req,
7800                                            &state->param, state->total_param,
7801                                            &state->data, state->total_data,
7802                                            state->max_data_return);
7803                 END_PROFILE(Trans2_findnotifyfirst);
7804                 break;
7805         }
7806
7807         case TRANSACT2_FINDNOTIFYNEXT:
7808         {
7809                 START_PROFILE(Trans2_findnotifynext);
7810                 call_trans2findnotifynext(conn, req,
7811                                           &state->param, state->total_param,
7812                                           &state->data, state->total_data,
7813                                           state->max_data_return);
7814                 END_PROFILE(Trans2_findnotifynext);
7815                 break;
7816         }
7817
7818         case TRANSACT2_MKDIR:
7819         {
7820                 START_PROFILE(Trans2_mkdir);
7821                 call_trans2mkdir(conn, req,
7822                                  &state->param, state->total_param,
7823                                  &state->data, state->total_data,
7824                                  state->max_data_return);
7825                 END_PROFILE(Trans2_mkdir);
7826                 break;
7827         }
7828
7829         case TRANSACT2_GET_DFS_REFERRAL:
7830         {
7831                 START_PROFILE(Trans2_get_dfs_referral);
7832                 call_trans2getdfsreferral(conn, req,
7833                                           &state->param, state->total_param,
7834                                           &state->data, state->total_data,
7835                                           state->max_data_return);
7836                 END_PROFILE(Trans2_get_dfs_referral);
7837                 break;
7838         }
7839
7840         case TRANSACT2_IOCTL:
7841         {
7842                 START_PROFILE(Trans2_ioctl);
7843                 call_trans2ioctl(conn, req,
7844                                  &state->param, state->total_param,
7845                                  &state->data, state->total_data,
7846                                  state->max_data_return);
7847                 END_PROFILE(Trans2_ioctl);
7848                 break;
7849         }
7850
7851         default:
7852                 /* Error in request */
7853                 DEBUG(2,("Unknown request %d in trans2 call\n", state->call));
7854                 reply_doserror(req, ERRSRV,ERRerror);
7855         }
7856 }
7857
7858 /****************************************************************************
7859  Reply to a SMBtrans2.
7860  ****************************************************************************/
7861
7862 void reply_trans2(struct smb_request *req)
7863 {
7864         connection_struct *conn = req->conn;
7865         unsigned int dsoff;
7866         unsigned int dscnt;
7867         unsigned int psoff;
7868         unsigned int pscnt;
7869         unsigned int tran_call;
7870         struct trans_state *state;
7871         NTSTATUS result;
7872
7873         START_PROFILE(SMBtrans2);
7874
7875         if (req->wct < 14) {
7876                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7877                 END_PROFILE(SMBtrans2);
7878                 return;
7879         }
7880
7881         dsoff = SVAL(req->vwv+12, 0);
7882         dscnt = SVAL(req->vwv+11, 0);
7883         psoff = SVAL(req->vwv+10, 0);
7884         pscnt = SVAL(req->vwv+9, 0);
7885         tran_call = SVAL(req->vwv+14, 0);
7886
7887         result = allow_new_trans(conn->pending_trans, req->mid);
7888         if (!NT_STATUS_IS_OK(result)) {
7889                 DEBUG(2, ("Got invalid trans2 request: %s\n",
7890                           nt_errstr(result)));
7891                 reply_nterror(req, result);
7892                 END_PROFILE(SMBtrans2);
7893                 return;
7894         }
7895
7896         if (IS_IPC(conn)) {
7897                 switch (tran_call) {
7898                 /* List the allowed trans2 calls on IPC$ */
7899                 case TRANSACT2_OPEN:
7900                 case TRANSACT2_GET_DFS_REFERRAL:
7901                 case TRANSACT2_QFILEINFO:
7902                 case TRANSACT2_QFSINFO:
7903                 case TRANSACT2_SETFSINFO:
7904                         break;
7905                 default:
7906                         reply_doserror(req, ERRSRV, ERRaccess);
7907                         END_PROFILE(SMBtrans2);
7908                         return;
7909                 }
7910         }
7911
7912         if ((state = TALLOC_P(conn, struct trans_state)) == NULL) {
7913                 DEBUG(0, ("talloc failed\n"));
7914                 reply_nterror(req, NT_STATUS_NO_MEMORY);
7915                 END_PROFILE(SMBtrans2);
7916                 return;
7917         }
7918
7919         state->cmd = SMBtrans2;
7920
7921         state->mid = req->mid;
7922         state->vuid = req->vuid;
7923         state->setup_count = SVAL(req->vwv+13, 0);
7924         state->setup = NULL;
7925         state->total_param = SVAL(req->vwv+0, 0);
7926         state->param = NULL;
7927         state->total_data =  SVAL(req->vwv+1, 0);
7928         state->data = NULL;
7929         state->max_param_return = SVAL(req->vwv+2, 0);
7930         state->max_data_return  = SVAL(req->vwv+3, 0);
7931         state->max_setup_return = SVAL(req->vwv+4, 0);
7932         state->close_on_completion = BITSETW(req->vwv+5, 0);
7933         state->one_way = BITSETW(req->vwv+5, 1);
7934
7935         state->call = tran_call;
7936
7937         /* All trans2 messages we handle have smb_sucnt == 1 - ensure this
7938            is so as a sanity check */
7939         if (state->setup_count != 1) {
7940                 /*
7941                  * Need to have rc=0 for ioctl to get job id for OS/2.
7942                  *  Network printing will fail if function is not successful.
7943                  *  Similar function in reply.c will be used if protocol
7944                  *  is LANMAN1.0 instead of LM1.2X002.
7945                  *  Until DosPrintSetJobInfo with PRJINFO3 is supported,
7946                  *  outbuf doesn't have to be set(only job id is used).
7947                  */
7948                 if ( (state->setup_count == 4)
7949                      && (tran_call == TRANSACT2_IOCTL)
7950                      && (SVAL(req->vwv+16, 0) == LMCAT_SPL)
7951                      && (SVAL(req->vwv+17, 0) == LMFUNC_GETJOBID)) {
7952                         DEBUG(2,("Got Trans2 DevIOctl jobid\n"));
7953                 } else {
7954                         DEBUG(2,("Invalid smb_sucnt in trans2 call(%u)\n",state->setup_count));
7955                         DEBUG(2,("Transaction is %d\n",tran_call));
7956                         TALLOC_FREE(state);
7957                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7958                         END_PROFILE(SMBtrans2);
7959                         return;
7960                 }
7961         }
7962
7963         if ((dscnt > state->total_data) || (pscnt > state->total_param))
7964                 goto bad_param;
7965
7966         if (state->total_data) {
7967
7968                 if (trans_oob(state->total_data, 0, dscnt)
7969                     || trans_oob(smb_len(req->inbuf), dsoff, dscnt)) {
7970                         goto bad_param;
7971                 }
7972
7973                 /* Can't use talloc here, the core routines do realloc on the
7974                  * params and data. */
7975                 state->data = (char *)SMB_MALLOC(state->total_data);
7976                 if (state->data == NULL) {
7977                         DEBUG(0,("reply_trans2: data malloc fail for %u "
7978                                  "bytes !\n", (unsigned int)state->total_data));
7979                         TALLOC_FREE(state);
7980                         reply_nterror(req, NT_STATUS_NO_MEMORY);
7981                         END_PROFILE(SMBtrans2);
7982                         return;
7983                 }
7984
7985                 memcpy(state->data,smb_base(req->inbuf)+dsoff,dscnt);
7986         }
7987
7988         if (state->total_param) {
7989
7990                 if (trans_oob(state->total_param, 0, pscnt)
7991                     || trans_oob(smb_len(req->inbuf), psoff, pscnt)) {
7992                         goto bad_param;
7993                 }
7994
7995                 /* Can't use talloc here, the core routines do realloc on the
7996                  * params and data. */
7997                 state->param = (char *)SMB_MALLOC(state->total_param);
7998                 if (state->param == NULL) {
7999                         DEBUG(0,("reply_trans: param malloc fail for %u "
8000                                  "bytes !\n", (unsigned int)state->total_param));
8001                         SAFE_FREE(state->data);
8002                         TALLOC_FREE(state);
8003                         reply_nterror(req, NT_STATUS_NO_MEMORY);
8004                         END_PROFILE(SMBtrans2);
8005                         return;
8006                 }
8007
8008                 memcpy(state->param,smb_base(req->inbuf)+psoff,pscnt);
8009         }
8010
8011         state->received_data  = dscnt;
8012         state->received_param = pscnt;
8013
8014         if ((state->received_param == state->total_param) &&
8015             (state->received_data == state->total_data)) {
8016
8017                 handle_trans2(conn, req, state);
8018
8019                 SAFE_FREE(state->data);
8020                 SAFE_FREE(state->param);
8021                 TALLOC_FREE(state);
8022                 END_PROFILE(SMBtrans2);
8023                 return;
8024         }
8025
8026         DLIST_ADD(conn->pending_trans, state);
8027
8028         /* We need to send an interim response then receive the rest
8029            of the parameter/data bytes */
8030         reply_outbuf(req, 0, 0);
8031         show_msg((char *)req->outbuf);
8032         END_PROFILE(SMBtrans2);
8033         return;
8034
8035   bad_param:
8036
8037         DEBUG(0,("reply_trans2: invalid trans parameters\n"));
8038         SAFE_FREE(state->data);
8039         SAFE_FREE(state->param);
8040         TALLOC_FREE(state);
8041         END_PROFILE(SMBtrans2);
8042         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8043 }
8044
8045
8046 /****************************************************************************
8047  Reply to a SMBtranss2
8048  ****************************************************************************/
8049
8050 void reply_transs2(struct smb_request *req)
8051 {
8052         connection_struct *conn = req->conn;
8053         unsigned int pcnt,poff,dcnt,doff,pdisp,ddisp;
8054         struct trans_state *state;
8055
8056         START_PROFILE(SMBtranss2);
8057
8058         show_msg((char *)req->inbuf);
8059
8060         if (req->wct < 8) {
8061                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8062                 END_PROFILE(SMBtranss2);
8063                 return;
8064         }
8065
8066         for (state = conn->pending_trans; state != NULL;
8067              state = state->next) {
8068                 if (state->mid == req->mid) {
8069                         break;
8070                 }
8071         }
8072
8073         if ((state == NULL) || (state->cmd != SMBtrans2)) {
8074                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8075                 END_PROFILE(SMBtranss2);
8076                 return;
8077         }
8078
8079         /* Revise state->total_param and state->total_data in case they have
8080            changed downwards */
8081
8082         if (SVAL(req->vwv+0, 0) < state->total_param)
8083                 state->total_param = SVAL(req->vwv+0, 0);
8084         if (SVAL(req->vwv+1, 0) < state->total_data)
8085                 state->total_data = SVAL(req->vwv+1, 0);
8086
8087         pcnt = SVAL(req->vwv+2, 0);
8088         poff = SVAL(req->vwv+3, 0);
8089         pdisp = SVAL(req->vwv+4, 0);
8090
8091         dcnt = SVAL(req->vwv+5, 0);
8092         doff = SVAL(req->vwv+6, 0);
8093         ddisp = SVAL(req->vwv+7, 0);
8094
8095         state->received_param += pcnt;
8096         state->received_data += dcnt;
8097
8098         if ((state->received_data > state->total_data) ||
8099             (state->received_param > state->total_param))
8100                 goto bad_param;
8101
8102         if (pcnt) {
8103                 if (trans_oob(state->total_param, pdisp, pcnt)
8104                     || trans_oob(smb_len(req->inbuf), poff, pcnt)) {
8105                         goto bad_param;
8106                 }
8107                 memcpy(state->param+pdisp,smb_base(req->inbuf)+poff,pcnt);
8108         }
8109
8110         if (dcnt) {
8111                 if (trans_oob(state->total_data, ddisp, dcnt)
8112                     || trans_oob(smb_len(req->inbuf), doff, dcnt)) {
8113                         goto bad_param;
8114                 }
8115                 memcpy(state->data+ddisp, smb_base(req->inbuf)+doff,dcnt);
8116         }
8117
8118         if ((state->received_param < state->total_param) ||
8119             (state->received_data < state->total_data)) {
8120                 END_PROFILE(SMBtranss2);
8121                 return;
8122         }
8123
8124         handle_trans2(conn, req, state);
8125
8126         DLIST_REMOVE(conn->pending_trans, state);
8127         SAFE_FREE(state->data);
8128         SAFE_FREE(state->param);
8129         TALLOC_FREE(state);
8130
8131         END_PROFILE(SMBtranss2);
8132         return;
8133
8134   bad_param:
8135
8136         DEBUG(0,("reply_transs2: invalid trans parameters\n"));
8137         DLIST_REMOVE(conn->pending_trans, state);
8138         SAFE_FREE(state->data);
8139         SAFE_FREE(state->param);
8140         TALLOC_FREE(state);
8141         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8142         END_PROFILE(SMBtranss2);
8143         return;
8144 }