source3/libsmb/libsmb_dir.c

   1 /*
   2    Unix SMB/Netbios implementation.
   3    SMB client library implementation
   4    Copyright (C) Andrew Tridgell 1998
   5    Copyright (C) Richard Sharpe 2000, 2002
   6    Copyright (C) John Terpstra 2000
   7    Copyright (C) Tom Jansen (Ninja ISD) 2002
   8    Copyright (C) Derrell Lipman 2003-2008
   9    Copyright (C) Jeremy Allison 2007, 2008
  10
  11    This program is free software; you can redistribute it and/or modify
  12    it under the terms of the GNU General Public License as published by
  13    the Free Software Foundation; either version 3 of the License, or
  14    (at your option) any later version.
  15
  16    This program is distributed in the hope that it will be useful,
  17    but WITHOUT ANY WARRANTY; without even the implied warranty of
  18    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19    GNU General Public License for more details.
  20
  21    You should have received a copy of the GNU General Public License
  22    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  23 */
  24
  25 #include "includes.h"
  26 #include "libsmbclient.h"
  27 #include "libsmb_internal.h"
  28
  29
  30 /*
  31  * Routine to open a directory
  32  * We accept the URL syntax explained in SMBC_parse_path(), above.
  33  */
  34
  35 static void
  36 remove_dir(SMBCFILE *dir)
  37 {
  38         struct smbc_dir_list *d,*f;
  39
  40         d = dir->dir_list;
  41         while (d) {
  42
  43                 f = d; d = d->next;
  44
  45                 SAFE_FREE(f->dirent);
  46                 SAFE_FREE(f);
  47
  48         }
  49
  50         dir->dir_list = dir->dir_end = dir->dir_next = NULL;
  51
  52 }
  53
  54 static int
  55 add_dirent(SMBCFILE *dir,
  56            const char *name,
  57            const char *comment,
  58            uint32 type)
  59 {
  60         struct smbc_dirent *dirent;
  61         int size;
  62         int name_length = (name == NULL ? 0 : strlen(name));
  63         int comment_len = (comment == NULL ? 0 : strlen(comment));
  64
  65         /*
  66          * Allocate space for the dirent, which must be increased by the
  67          * size of the name and the comment and 1 each for the null terminator.
  68          */
  69
  70         size = sizeof(struct smbc_dirent) + name_length + comment_len + 2;
  71
  72         dirent = (struct smbc_dirent *)SMB_MALLOC(size);
  73
  74         if (!dirent) {
  75
  76                 dir->dir_error = ENOMEM;
  77                 return -1;
  78
  79         }
  80
  81         ZERO_STRUCTP(dirent);
  82
  83         if (dir->dir_list == NULL) {
  84
  85                 dir->dir_list = SMB_MALLOC_P(struct smbc_dir_list);
  86                 if (!dir->dir_list) {
  87
  88                         SAFE_FREE(dirent);
  89                         dir->dir_error = ENOMEM;
  90                         return -1;
  91
  92                 }
  93                 ZERO_STRUCTP(dir->dir_list);
  94
  95                 dir->dir_end = dir->dir_next = dir->dir_list;
  96         }
  97         else {
  98
  99                 dir->dir_end->next = SMB_MALLOC_P(struct smbc_dir_list);
 100
 101                 if (!dir->dir_end->next) {
 102
 103                         SAFE_FREE(dirent);
 104                         dir->dir_error = ENOMEM;
 105                         return -1;
 106
 107                 }
 108                 ZERO_STRUCTP(dir->dir_end->next);
 109
 110                 dir->dir_end = dir->dir_end->next;
 111         }
 112
 113         dir->dir_end->next = NULL;
 114         dir->dir_end->dirent = dirent;
 115
 116         dirent->smbc_type = type;
 117         dirent->namelen = name_length;
 118         dirent->commentlen = comment_len;
 119         dirent->dirlen = size;
 120
 121         /*
 122          * dirent->namelen + 1 includes the null (no null termination needed)
 123          * Ditto for dirent->commentlen.
 124          * The space for the two null bytes was allocated.
 125          */
 126         strncpy(dirent->name, (name?name:""), dirent->namelen + 1);
 127         dirent->comment = (char *)(&dirent->name + dirent->namelen + 1);
 128         strncpy(dirent->comment, (comment?comment:""), dirent->commentlen + 1);
 129
 130         return 0;
 131
 132 }
 133
 134 static void
 135 list_unique_wg_fn(const char *name,
 136                   uint32 type,
 137                   const char *comment,
 138                   void *state)
 139 {
 140         SMBCFILE *dir = (SMBCFILE *)state;
 141         struct smbc_dir_list *dir_list;
 142         struct smbc_dirent *dirent;
 143         int dirent_type;
 144         int do_remove = 0;
 145
 146         dirent_type = dir->dir_type;
 147
 148         if (add_dirent(dir, name, comment, dirent_type) < 0) {
 149
 150                 /* An error occurred, what do we do? */
 151                 /* FIXME: Add some code here */
 152         }
 153
 154         /* Point to the one just added */
 155         dirent = dir->dir_end->dirent;
 156
 157         /* See if this was a duplicate */
 158         for (dir_list = dir->dir_list;
 159              dir_list != dir->dir_end;
 160              dir_list = dir_list->next) {
 161                 if (! do_remove &&
 162                     strcmp(dir_list->dirent->name, dirent->name) == 0) {
 163                         /* Duplicate.  End end of list need to be removed. */
 164                         do_remove = 1;
 165                 }
 166
 167                 if (do_remove && dir_list->next == dir->dir_end) {
 168                         /* Found the end of the list.  Remove it. */
 169                         dir->dir_end = dir_list;
 170                         free(dir_list->next);
 171                         free(dirent);
 172                         dir_list->next = NULL;
 173                         break;
 174                 }
 175         }
 176 }
 177
 178 static void
 179 list_fn(const char *name,
 180         uint32 type,
 181         const char *comment,
 182         void *state)
 183 {
 184         SMBCFILE *dir = (SMBCFILE *)state;
 185         int dirent_type;
 186
 187         /*
 188          * We need to process the type a little ...
 189          *
 190          * Disk share     = 0x00000000
 191          * Print share    = 0x00000001
 192          * Comms share    = 0x00000002 (obsolete?)
 193          * IPC$ share     = 0x00000003
 194          *
 195          * administrative shares:
 196          * ADMIN$, IPC$, C$, D$, E$ ...  are type |= 0x80000000
 197          */
 198
 199         if (dir->dir_type == SMBC_FILE_SHARE) {
 200                 switch (type) {
 201                 case 0 | 0x80000000:
 202                 case 0:
 203                         dirent_type = SMBC_FILE_SHARE;
 204                         break;
 205
 206                 case 1:
 207                         dirent_type = SMBC_PRINTER_SHARE;
 208                         break;
 209
 210                 case 2:
 211                         dirent_type = SMBC_COMMS_SHARE;
 212                         break;
 213
 214                 case 3 | 0x80000000:
 215                 case 3:
 216                         dirent_type = SMBC_IPC_SHARE;
 217                         break;
 218
 219                 default:
 220                         dirent_type = SMBC_FILE_SHARE; /* FIXME, error? */
 221                         break;
 222                 }
 223         }
 224         else {
 225                 dirent_type = dir->dir_type;
 226         }
 227
 228         if (add_dirent(dir, name, comment, dirent_type) < 0) {
 229
 230                 /* An error occurred, what do we do? */
 231                 /* FIXME: Add some code here */
 232
 233         }
 234 }
 235
 236 static void
 237 dir_list_fn(const char *mnt,
 238             file_info *finfo,
 239             const char *mask,
 240             void *state)
 241 {
 242
 243         if (add_dirent((SMBCFILE *)state, finfo->name, "",
 244                        (finfo->mode&aDIR?SMBC_DIR:SMBC_FILE)) < 0) {
 245
 246                 /* Handle an error ... */
 247
 248                 /* FIXME: Add some code ... */
 249
 250         }
 251
 252 }
 253
 254 static int
 255 net_share_enum_rpc(struct cli_state *cli,
 256                    void (*fn)(const char *name,
 257                               uint32 type,
 258                               const char *comment,
 259                               void *state),
 260                    void *state)
 261 {
 262         int i;
 263         WERROR result;
 264         uint32 preferred_len = 0xffffffff;
 265         uint32 type;
 266         struct srvsvc_NetShareInfoCtr info_ctr;
 267         struct srvsvc_NetShareCtr1 ctr1;
 268         fstring name = "";
 269         fstring comment = "";
 270         struct rpc_pipe_client *pipe_hnd;
 271         NTSTATUS nt_status;
 272         uint32_t resume_handle = 0;
 273         uint32_t total_entries = 0;
 274
 275         /* Open the server service pipe */
 276         nt_status = cli_rpc_pipe_open_noauth(cli, &ndr_table_srvsvc.syntax_id,
 277                                              &pipe_hnd);
 278         if (!NT_STATUS_IS_OK(nt_status)) {
 279                 DEBUG(1, ("net_share_enum_rpc pipe open fail!\n"));
 280                 return -1;
 281         }
 282
 283         ZERO_STRUCT(info_ctr);
 284         ZERO_STRUCT(ctr1);
 285
 286         info_ctr.level = 1;
 287         info_ctr.ctr.ctr1 = &ctr1;
 288
 289         /* Issue the NetShareEnum RPC call and retrieve the response */
 290         nt_status = rpccli_srvsvc_NetShareEnumAll(pipe_hnd, talloc_tos(),
 291                                                   pipe_hnd->desthost,
 292                                                   &info_ctr,
 293                                                   preferred_len,
 294                                                   &total_entries,
 295                                                   &resume_handle,
 296                                                   &result);
 297
 298         /* Was it successful? */
 299         if (!NT_STATUS_IS_OK(nt_status) || !W_ERROR_IS_OK(result) ||
 300             total_entries == 0) {
 301                 /*  Nope.  Go clean up. */
 302                 goto done;
 303         }
 304
 305         /* For each returned entry... */
 306         for (i = 0; i < total_entries; i++) {
 307
 308                 /* pull out the share name */
 309                 fstrcpy(name, info_ctr.ctr.ctr1->array[i].name);
 310
 311                 /* pull out the share's comment */
 312                 fstrcpy(comment, info_ctr.ctr.ctr1->array[i].comment);
 313
 314                 /* Get the type value */
 315                 type = info_ctr.ctr.ctr1->array[i].type;
 316
 317                 /* Add this share to the list */
 318                 (*fn)(name, type, comment, state);
 319         }
 320
 321 done:
 322         /* Close the server service pipe */
 323         TALLOC_FREE(pipe_hnd);
 324
 325         /* Tell 'em if it worked */
 326         return W_ERROR_IS_OK(result) ? 0 : -1;
 327 }
 328
 329
 330 /*
 331  * Verify that the options specified in a URL are valid
 332  */
 333 int
 334 SMBC_check_options(char *server,
 335                    char *share,
 336                    char *path,
 337                    char *options)
 338 {
 339         DEBUG(4, ("SMBC_check_options(): server='%s' share='%s' "
 340                   "path='%s' options='%s'\n",
 341                   server, share, path, options));
 342
 343         /* No options at all is always ok */
 344         if (! *options) return 0;
 345
 346         /* Currently, we don't support any options. */
 347         return -1;
 348 }
 349
 350
 351 SMBCFILE *
 352 SMBC_opendir_ctx(SMBCCTX *context,
 353                  const char *fname)
 354 {
 355         int saved_errno;
 356         char *server = NULL;
 357         char *share = NULL;
 358         char *user = NULL;
 359         char *password = NULL;
 360         char *options = NULL;
 361         char *workgroup = NULL;
 362         char *path = NULL;
 363         uint16 mode;
 364         char *p = NULL;
 365         SMBCSRV *srv  = NULL;
 366         SMBCFILE *dir = NULL;
 367         struct sockaddr_storage rem_ss;
 368         TALLOC_CTX *frame = talloc_stackframe();
 369
 370         if (!context || !context->internal->initialized) {
 371                 DEBUG(4, ("no valid context\n"));
 372                 errno = EINVAL + 8192;
 373                 TALLOC_FREE(frame);
 374                 return NULL;
 375
 376         }
 377
 378         if (!fname) {
 379                 DEBUG(4, ("no valid fname\n"));
 380                 errno = EINVAL + 8193;
 381                 TALLOC_FREE(frame);
 382                 return NULL;
 383         }
 384
 385         if (SMBC_parse_path(frame,
 386                             context,
 387                             fname,
 388                             &workgroup,
 389                             &server,
 390                             &share,
 391                             &path,
 392                             &user,
 393                             &password,
 394                             &options)) {
 395                 DEBUG(4, ("no valid path\n"));
 396                 errno = EINVAL + 8194;
 397                 TALLOC_FREE(frame);
 398                 return NULL;
 399         }
 400
 401         DEBUG(4, ("parsed path: fname='%s' server='%s' share='%s' "
 402                   "path='%s' options='%s'\n",
 403                   fname, server, share, path, options));
 404
 405         /* Ensure the options are valid */
 406         if (SMBC_check_options(server, share, path, options)) {
 407                 DEBUG(4, ("unacceptable options (%s)\n", options));
 408                 errno = EINVAL + 8195;
 409                 TALLOC_FREE(frame);
 410                 return NULL;
 411         }
 412
 413         if (!user || user[0] == (char)0) {
 414                 user = talloc_strdup(frame, smbc_getUser(context));
 415                 if (!user) {
 416                         errno = ENOMEM;
 417                         TALLOC_FREE(frame);
 418                         return NULL;
 419                 }
 420         }
 421
 422         dir = SMB_MALLOC_P(SMBCFILE);
 423
 424         if (!dir) {
 425                 errno = ENOMEM;
 426                 TALLOC_FREE(frame);
 427                 return NULL;
 428         }
 429
 430         ZERO_STRUCTP(dir);
 431
 432         dir->cli_fd   = 0;
 433         dir->fname    = SMB_STRDUP(fname);
 434         dir->srv      = NULL;
 435         dir->offset   = 0;
 436         dir->file     = False;
 437         dir->dir_list = dir->dir_next = dir->dir_end = NULL;
 438
 439         if (server[0] == (char)0) {
 440
 441                 int i;
 442                 int count;
 443                 int max_lmb_count;
 444                 struct ip_service *ip_list;
 445                 struct ip_service server_addr;
 446                 struct user_auth_info u_info;
 447
 448                 if (share[0] != (char)0 || path[0] != (char)0) {
 449
 450                         errno = EINVAL + 8196;
 451                         if (dir) {
 452                                 SAFE_FREE(dir->fname);
 453                                 SAFE_FREE(dir);
 454                         }
 455                         TALLOC_FREE(frame);
 456                         return NULL;
 457                 }
 458
 459                 /* Determine how many local master browsers to query */
 460                 max_lmb_count = (smbc_getOptionBrowseMaxLmbCount(context) == 0
 461                                  ? INT_MAX
 462                                  : smbc_getOptionBrowseMaxLmbCount(context));
 463
 464                 memset(&u_info, '\0', sizeof(u_info));
 465                 u_info.username = talloc_strdup(frame,user);
 466                 u_info.password = talloc_strdup(frame,password);
 467                 if (!u_info.username || !u_info.password) {
 468                         if (dir) {
 469                                 SAFE_FREE(dir->fname);
 470                                 SAFE_FREE(dir);
 471                         }
 472                         TALLOC_FREE(frame);
 473                         return NULL;
 474                 }
 475
 476                 /*
 477                  * We have server and share and path empty but options
 478                  * requesting that we scan all master browsers for their list
 479                  * of workgroups/domains.  This implies that we must first try
 480                  * broadcast queries to find all master browsers, and if that
 481                  * doesn't work, then try our other methods which return only
 482                  * a single master browser.
 483                  */
 484
 485                 ip_list = NULL;
 486                 if (!NT_STATUS_IS_OK(name_resolve_bcast(MSBROWSE, 1, &ip_list,
 487                                                         &count)))
 488                 {
 489
 490                         SAFE_FREE(ip_list);
 491
 492                         if (!find_master_ip(workgroup, &server_addr.ss)) {
 493
 494                                 if (dir) {
 495                                         SAFE_FREE(dir->fname);
 496                                         SAFE_FREE(dir);
 497                                 }
 498                                 errno = ENOENT;
 499                                 TALLOC_FREE(frame);
 500                                 return NULL;
 501                         }
 502
 503                         ip_list = (struct ip_service *)memdup(
 504                                 &server_addr, sizeof(server_addr));
 505                         if (ip_list == NULL) {
 506                                 errno = ENOMEM;
 507                                 TALLOC_FREE(frame);
 508                                 return NULL;
 509                         }
 510                         count = 1;
 511                 }
 512
 513                 for (i = 0; i < count && i < max_lmb_count; i++) {
 514                         char addr[INET6_ADDRSTRLEN];
 515                         char *wg_ptr = NULL;
 516                         struct cli_state *cli = NULL;
 517
 518                         print_sockaddr(addr, sizeof(addr), &ip_list[i].ss);
 519                         DEBUG(99, ("Found master browser %d of %d: %s\n",
 520                                    i+1, MAX(count, max_lmb_count),
 521                                    addr));
 522
 523                         cli = get_ipc_connect_master_ip(talloc_tos(),
 524                                                         &ip_list[i],
 525                                                         &u_info,
 526                                                         &wg_ptr);
 527                         /* cli == NULL is the master browser refused to talk or
 528                            could not be found */
 529                         if (!cli) {
 530                                 continue;
 531                         }
 532
 533                         workgroup = talloc_strdup(frame, wg_ptr);
 534                         server = talloc_strdup(frame, cli->desthost);
 535
 536                         cli_shutdown(cli);
 537
 538                         if (!workgroup || !server) {
 539                                 errno = ENOMEM;
 540                                 TALLOC_FREE(frame);
 541                                 return NULL;
 542                         }
 543
 544                         DEBUG(4, ("using workgroup %s %s\n",
 545                                   workgroup, server));
 546
 547                         /*
 548                          * For each returned master browser IP address, get a
 549                          * connection to IPC$ on the server if we do not
 550                          * already have one, and determine the
 551                          * workgroups/domains that it knows about.
 552                          */
 553
 554                         srv = SMBC_server(frame, context, True, server, "IPC$",
 555                                           &workgroup, &user, &password);
 556                         if (!srv) {
 557                                 continue;
 558                         }
 559
 560                         dir->srv = srv;
 561                         dir->dir_type = SMBC_WORKGROUP;
 562
 563                         /* Now, list the stuff ... */
 564
 565                         if (!cli_NetServerEnum(srv->cli,
 566                                                workgroup,
 567                                                SV_TYPE_DOMAIN_ENUM,
 568                                                list_unique_wg_fn,
 569                                                (void *)dir)) {
 570                                 continue;
 571                         }
 572                 }
 573
 574                 SAFE_FREE(ip_list);
 575         } else {
 576                 /*
 577                  * Server not an empty string ... Check the rest and see what
 578                  * gives
 579                  */
 580                 if (*share == '\0') {
 581                         if (*path != '\0') {
 582
 583                                 /* Should not have empty share with path */
 584                                 errno = EINVAL + 8197;
 585                                 if (dir) {
 586                                         SAFE_FREE(dir->fname);
 587                                         SAFE_FREE(dir);
 588                                 }
 589                                 TALLOC_FREE(frame);
 590                                 return NULL;
 591
 592                         }
 593
 594                         /*
 595                          * We don't know if <server> is really a server name
 596                          * or is a workgroup/domain name.  If we already have
 597                          * a server structure for it, we'll use it.
 598                          * Otherwise, check to see if <server><1D>,
 599                          * <server><1B>, or <server><20> translates.  We check
 600                          * to see if <server> is an IP address first.
 601                          */
 602
 603                         /*
 604                          * See if we have an existing server.  Do not
 605                          * establish a connection if one does not already
 606                          * exist.
 607                          */
 608                         srv = SMBC_server(frame, context, False,
 609                                           server, "IPC$",
 610                                           &workgroup, &user, &password);
 611
 612                         /*
 613                          * If no existing server and not an IP addr, look for
 614                          * LMB or DMB
 615                          */
 616                         if (!srv &&
 617                             !is_ipaddress(server) &&
 618                             (resolve_name(server, &rem_ss, 0x1d) ||   /* LMB */
 619                              resolve_name(server, &rem_ss, 0x1b) )) { /* DMB */
 620
 621                                 fstring buserver;
 622
 623                                 dir->dir_type = SMBC_SERVER;
 624
 625                                 /*
 626                                  * Get the backup list ...
 627                                  */
 628                                 if (!name_status_find(server, 0, 0,
 629                                                       &rem_ss, buserver)) {
 630
 631                                         DEBUG(0,("Could not get name of "
 632                                                  "local/domain master browser "
 633                                                  "for server %s\n", server));
 634                                         if (dir) {
 635                                                 SAFE_FREE(dir->fname);
 636                                                 SAFE_FREE(dir);
 637                                         }
 638                                         errno = EPERM;
 639                                         TALLOC_FREE(frame);
 640                                         return NULL;
 641
 642                                 }
 643
 644                                 /*
 645                                  * Get a connection to IPC$ on the server if
 646                                  * we do not already have one
 647                                  */
 648                                 srv = SMBC_server(frame, context, True,
 649                                                   buserver, "IPC$",
 650                                                   &workgroup,
 651                                                   &user, &password);
 652                                 if (!srv) {
 653                                         DEBUG(0, ("got no contact to IPC$\n"));
 654                                         if (dir) {
 655                                                 SAFE_FREE(dir->fname);
 656                                                 SAFE_FREE(dir);
 657                                         }
 658                                         TALLOC_FREE(frame);
 659                                         return NULL;
 660
 661                                 }
 662
 663                                 dir->srv = srv;
 664
 665                                 /* Now, list the servers ... */
 666                                 if (!cli_NetServerEnum(srv->cli, server,
 667                                                        0x0000FFFE, list_fn,
 668                                                        (void *)dir)) {
 669
 670                                         if (dir) {
 671                                                 SAFE_FREE(dir->fname);
 672                                                 SAFE_FREE(dir);
 673                                         }
 674                                         TALLOC_FREE(frame);
 675                                         return NULL;
 676                                 }
 677                         } else if (srv ||
 678                                    (resolve_name(server, &rem_ss, 0x20))) {
 679
 680                                 /*
 681                                  * If we hadn't found the server, get one now
 682                                  */
 683                                 if (!srv) {
 684                                         srv = SMBC_server(frame, context, True,
 685                                                           server, "IPC$",
 686                                                           &workgroup,
 687                                                           &user, &password);
 688                                 }
 689
 690                                 if (!srv) {
 691                                         if (dir) {
 692                                                 SAFE_FREE(dir->fname);
 693                                                 SAFE_FREE(dir);
 694                                         }
 695                                         TALLOC_FREE(frame);
 696                                         return NULL;
 697
 698                                 }
 699
 700                                 dir->dir_type = SMBC_FILE_SHARE;
 701                                 dir->srv = srv;
 702
 703                                 /* List the shares ... */
 704
 705                                 if (net_share_enum_rpc(
 706                                             srv->cli,
 707                                             list_fn,
 708                                             (void *) dir) < 0 &&
 709                                     cli_RNetShareEnum(
 710                                             srv->cli,
 711                                             list_fn,
 712                                             (void *)dir) < 0) {
 713
 714                                         errno = cli_errno(srv->cli);
 715                                         if (dir) {
 716                                                 SAFE_FREE(dir->fname);
 717                                                 SAFE_FREE(dir);
 718                                         }
 719                                         TALLOC_FREE(frame);
 720                                         return NULL;
 721
 722                                 }
 723                         } else {
 724                                 /* Neither the workgroup nor server exists */
 725                                 errno = ECONNREFUSED;
 726                                 if (dir) {
 727                                         SAFE_FREE(dir->fname);
 728                                         SAFE_FREE(dir);
 729                                 }
 730                                 TALLOC_FREE(frame);
 731                                 return NULL;
 732                         }
 733
 734                 }
 735                 else {
 736                         /*
 737                          * The server and share are specified ... work from
 738                          * there ...
 739                          */
 740                         char *targetpath;
 741                         struct cli_state *targetcli;
 742
 743                         /* We connect to the server and list the directory */
 744                         dir->dir_type = SMBC_FILE_SHARE;
 745
 746                         srv = SMBC_server(frame, context, True, server, share,
 747                                           &workgroup, &user, &password);
 748
 749                         if (!srv) {
 750                                 if (dir) {
 751                                         SAFE_FREE(dir->fname);
 752                                         SAFE_FREE(dir);
 753                                 }
 754                                 TALLOC_FREE(frame);
 755                                 return NULL;
 756                         }
 757
 758                         dir->srv = srv;
 759
 760                         /* Now, list the files ... */
 761
 762                         p = path + strlen(path);
 763                         path = talloc_asprintf_append(path, "\\*");
 764                         if (!path) {
 765                                 if (dir) {
 766                                         SAFE_FREE(dir->fname);
 767                                         SAFE_FREE(dir);
 768                                 }
 769                                 TALLOC_FREE(frame);
 770                                 return NULL;
 771                         }
 772
 773                         if (!cli_resolve_path(frame, "", context->internal->auth_info,
 774                                                 srv->cli, path,
 775                                                 &targetcli, &targetpath)) {
 776                                 d_printf("Could not resolve %s\n", path);
 777                                 if (dir) {
 778                                         SAFE_FREE(dir->fname);
 779                                         SAFE_FREE(dir);
 780                                 }
 781                                 TALLOC_FREE(frame);
 782                                 return NULL;
 783                         }
 784
 785                         if (cli_list(targetcli, targetpath,
 786                                      aDIR | aSYSTEM | aHIDDEN,
 787                                      dir_list_fn, (void *)dir) < 0) {
 788
 789                                 if (dir) {
 790                                         SAFE_FREE(dir->fname);
 791                                         SAFE_FREE(dir);
 792                                 }
 793                                 saved_errno = SMBC_errno(context, targetcli);
 794
 795                                 if (saved_errno == EINVAL) {
 796                                         /*
 797                                          * See if they asked to opendir
 798                                          * something other than a directory.
 799                                          * If so, the converted error value we
 800                                          * got would have been EINVAL rather
 801                                          * than ENOTDIR.
 802                                          */
 803                                         *p = '\0'; /* restore original path */
 804
 805                                         if (SMBC_getatr(context, srv, path,
 806                                                         &mode, NULL,
 807                                                         NULL, NULL, NULL, NULL,
 808                                                         NULL) &&
 809                                             ! IS_DOS_DIR(mode)) {
 810
 811                                                 /* It is.  Correct the error value */
 812                                                 saved_errno = ENOTDIR;
 813                                         }
 814                                 }
 815
 816                                 /*
 817                                  * If there was an error and the server is no
 818                                  * good any more...
 819                                  */
 820                                 if (cli_is_error(targetcli) &&
 821                                     smbc_getFunctionCheckServer(context)(context, srv)) {
 822
 823                                         /* ... then remove it. */
 824                                         if (smbc_getFunctionRemoveUnusedServer(context)(context,
 825                                                                                         srv)) {
 826                                                 /*
 827                                                  * We could not remove the
 828                                                  * server completely, remove
 829                                                  * it from the cache so we
 830                                                  * will not get it again. It
 831                                                  * will be removed when the
 832                                                  * last file/dir is closed.
 833                                                  */
 834                                                 smbc_getFunctionRemoveCachedServer(context)(context, srv);
 835                                         }
 836                                 }
 837
 838                                 errno = saved_errno;
 839                                 TALLOC_FREE(frame);
 840                                 return NULL;
 841                         }
 842                 }
 843
 844         }
 845
 846         DLIST_ADD(context->internal->files, dir);
 847         TALLOC_FREE(frame);
 848         return dir;
 849
 850 }
 851
 852 /*
 853  * Routine to close a directory
 854  */
 855
 856 int
 857 SMBC_closedir_ctx(SMBCCTX *context,
 858                   SMBCFILE *dir)
 859 {
 860         TALLOC_CTX *frame = talloc_stackframe();
 861
 862         if (!context || !context->internal->initialized) {
 863                 errno = EINVAL;
 864                 TALLOC_FREE(frame);
 865                 return -1;
 866         }
 867
 868         if (!dir || !SMBC_dlist_contains(context->internal->files, dir)) {
 869                 errno = EBADF;
 870                 TALLOC_FREE(frame);
 871                 return -1;
 872         }
 873
 874         remove_dir(dir); /* Clean it up */
 875
 876         DLIST_REMOVE(context->internal->files, dir);
 877
 878         if (dir) {
 879
 880                 SAFE_FREE(dir->fname);
 881                 SAFE_FREE(dir);    /* Free the space too */
 882         }
 883
 884         TALLOC_FREE(frame);
 885         return 0;
 886
 887 }
 888
 889 static void
 890 smbc_readdir_internal(SMBCCTX * context,
 891                       struct smbc_dirent *dest,
 892                       struct smbc_dirent *src,
 893                       int max_namebuf_len)
 894 {
 895         if (smbc_getOptionUrlEncodeReaddirEntries(context)) {
 896
 897                 /* url-encode the name.  get back remaining buffer space */
 898                 max_namebuf_len =
 899                         smbc_urlencode(dest->name, src->name, max_namebuf_len);
 900
 901                 /* We now know the name length */
 902                 dest->namelen = strlen(dest->name);
 903
 904                 /* Save the pointer to the beginning of the comment */
 905                 dest->comment = dest->name + dest->namelen + 1;
 906
 907                 /* Copy the comment */
 908                 strncpy(dest->comment, src->comment, max_namebuf_len - 1);
 909                 dest->comment[max_namebuf_len - 1] = '\0';
 910
 911                 /* Save other fields */
 912                 dest->smbc_type = src->smbc_type;
 913                 dest->commentlen = strlen(dest->comment);
 914                 dest->dirlen = ((dest->comment + dest->commentlen + 1) -
 915                                 (char *) dest);
 916         } else {
 917
 918                 /* No encoding.  Just copy the entry as is. */
 919                 memcpy(dest, src, src->dirlen);
 920                 dest->comment = (char *)(&dest->name + src->namelen + 1);
 921         }
 922
 923 }
 924
 925 /*
 926  * Routine to get a directory entry
 927  */
 928
 929 struct smbc_dirent *
 930 SMBC_readdir_ctx(SMBCCTX *context,
 931                  SMBCFILE *dir)
 932 {
 933         int maxlen;
 934         struct smbc_dirent *dirp, *dirent;
 935         TALLOC_CTX *frame = talloc_stackframe();
 936
 937         /* Check that all is ok first ... */
 938
 939         if (!context || !context->internal->initialized) {
 940
 941                 errno = EINVAL;
 942                 DEBUG(0, ("Invalid context in SMBC_readdir_ctx()\n"));
 943                 TALLOC_FREE(frame);
 944                 return NULL;
 945
 946         }
 947
 948         if (!dir || !SMBC_dlist_contains(context->internal->files, dir)) {
 949
 950                 errno = EBADF;
 951                 DEBUG(0, ("Invalid dir in SMBC_readdir_ctx()\n"));
 952                 TALLOC_FREE(frame);
 953                 return NULL;
 954
 955         }
 956
 957         if (dir->file != False) { /* FIXME, should be dir, perhaps */
 958
 959                 errno = ENOTDIR;
 960                 DEBUG(0, ("Found file vs directory in SMBC_readdir_ctx()\n"));
 961                 TALLOC_FREE(frame);
 962                 return NULL;
 963
 964         }
 965
 966         if (!dir->dir_next) {
 967                 TALLOC_FREE(frame);
 968                 return NULL;
 969         }
 970
 971         dirent = dir->dir_next->dirent;
 972         if (!dirent) {
 973
 974                 errno = ENOENT;
 975                 TALLOC_FREE(frame);
 976                 return NULL;
 977
 978         }
 979
 980         dirp = &context->internal->dirent;
 981         maxlen = sizeof(context->internal->_dirent_name);
 982
 983         smbc_readdir_internal(context, dirp, dirent, maxlen);
 984
 985         dir->dir_next = dir->dir_next->next;
 986
 987         TALLOC_FREE(frame);
 988         return dirp;
 989 }
 990
 991 /*
 992  * Routine to get directory entries
 993  */
 994
 995 int
 996 SMBC_getdents_ctx(SMBCCTX *context,
 997                   SMBCFILE *dir,
 998                   struct smbc_dirent *dirp,
 999                   int count)
1000 {
1001         int rem = count;
1002         int reqd;
1003         int maxlen;
1004         char *ndir = (char *)dirp;
1005         struct smbc_dir_list *dirlist;
1006         TALLOC_CTX *frame = talloc_stackframe();
1007
1008         /* Check that all is ok first ... */
1009
1010         if (!context || !context->internal->initialized) {
1011
1012                 errno = EINVAL;
1013                 TALLOC_FREE(frame);
1014                 return -1;
1015
1016         }
1017
1018         if (!dir || !SMBC_dlist_contains(context->internal->files, dir)) {
1019
1020                 errno = EBADF;
1021                 TALLOC_FREE(frame);
1022                 return -1;
1023
1024         }
1025
1026         if (dir->file != False) { /* FIXME, should be dir, perhaps */
1027
1028                 errno = ENOTDIR;
1029                 TALLOC_FREE(frame);
1030                 return -1;
1031
1032         }
1033
1034         /*
1035          * Now, retrieve the number of entries that will fit in what was passed
1036          * We have to figure out if the info is in the list, or we need to
1037          * send a request to the server to get the info.
1038          */
1039
1040         while ((dirlist = dir->dir_next)) {
1041                 struct smbc_dirent *dirent;
1042
1043                 if (!dirlist->dirent) {
1044
1045                         errno = ENOENT;  /* Bad error */
1046                         TALLOC_FREE(frame);
1047                         return -1;
1048
1049                 }
1050
1051                 /* Do urlencoding of next entry, if so selected */
1052                 dirent = &context->internal->dirent;
1053                 maxlen = sizeof(context->internal->_dirent_name);
1054                 smbc_readdir_internal(context, dirent,
1055                                       dirlist->dirent, maxlen);
1056
1057                 reqd = dirent->dirlen;
1058
1059                 if (rem < reqd) {
1060
1061                         if (rem < count) { /* We managed to copy something */
1062
1063                                 errno = 0;
1064                                 TALLOC_FREE(frame);
1065                                 return count - rem;
1066
1067                         }
1068                         else { /* Nothing copied ... */
1069
1070                                 errno = EINVAL;  /* Not enough space ... */
1071                                 TALLOC_FREE(frame);
1072                                 return -1;
1073
1074                         }
1075
1076                 }
1077
1078                 memcpy(ndir, dirent, reqd); /* Copy the data in ... */
1079
1080                 ((struct smbc_dirent *)ndir)->comment =
1081                         (char *)(&((struct smbc_dirent *)ndir)->name +
1082                                  dirent->namelen +
1083                                  1);
1084
1085                 ndir += reqd;
1086
1087                 rem -= reqd;
1088
1089                 dir->dir_next = dirlist = dirlist -> next;
1090         }
1091
1092         TALLOC_FREE(frame);
1093
1094         if (rem == count)
1095                 return 0;
1096         else
1097                 return count - rem;
1098
1099 }
1100
1101 /*
1102  * Routine to create a directory ...
1103  */
1104
1105 int
1106 SMBC_mkdir_ctx(SMBCCTX *context,
1107                const char *fname,
1108                mode_t mode)
1109 {
1110         SMBCSRV *srv = NULL;
1111         char *server = NULL;
1112         char *share = NULL;
1113         char *user = NULL;
1114         char *password = NULL;
1115         char *workgroup = NULL;
1116         char *path = NULL;
1117         char *targetpath = NULL;
1118         struct cli_state *targetcli = NULL;
1119         TALLOC_CTX *frame = talloc_stackframe();
1120
1121         if (!context || !context->internal->initialized) {
1122                 errno = EINVAL;
1123                 TALLOC_FREE(frame);
1124                 return -1;
1125         }
1126
1127         if (!fname) {
1128                 errno = EINVAL;
1129                 TALLOC_FREE(frame);
1130                 return -1;
1131         }
1132
1133         DEBUG(4, ("smbc_mkdir(%s)\n", fname));
1134
1135         if (SMBC_parse_path(frame,
1136                             context,
1137                             fname,
1138                             &workgroup,
1139                             &server,
1140                             &share,
1141                             &path,
1142                             &user,
1143                             &password,
1144                             NULL)) {
1145                 errno = EINVAL;
1146                 TALLOC_FREE(frame);
1147                 return -1;
1148         }
1149
1150         if (!user || user[0] == (char)0) {
1151                 user = talloc_strdup(frame, smbc_getUser(context));
1152                 if (!user) {
1153                         errno = ENOMEM;
1154                         TALLOC_FREE(frame);
1155                         return -1;
1156                 }
1157         }
1158
1159         srv = SMBC_server(frame, context, True,
1160                           server, share, &workgroup, &user, &password);
1161
1162         if (!srv) {
1163
1164                 TALLOC_FREE(frame);
1165                 return -1;  /* errno set by SMBC_server */
1166
1167         }
1168
1169         /*d_printf(">>>mkdir: resolving %s\n", path);*/
1170         if (!cli_resolve_path(frame, "", context->internal->auth_info,
1171                                 srv->cli, path,
1172                                 &targetcli, &targetpath)) {
1173                 d_printf("Could not resolve %s\n", path);
1174                 errno = ENOENT;
1175                 TALLOC_FREE(frame);
1176                 return -1;
1177         }
1178         /*d_printf(">>>mkdir: resolved path as %s\n", targetpath);*/
1179
1180         if (!cli_mkdir(targetcli, targetpath)) {
1181
1182                 errno = SMBC_errno(context, targetcli);
1183                 TALLOC_FREE(frame);
1184                 return -1;
1185
1186         }
1187
1188         TALLOC_FREE(frame);
1189         return 0;
1190
1191 }
1192
1193 /*
1194  * Our list function simply checks to see if a directory is not empty
1195  */
1196
1197 static void
1198 rmdir_list_fn(const char *mnt,
1199               file_info *finfo,
1200               const char *mask,
1201               void *state)
1202 {
1203         if (strncmp(finfo->name, ".", 1) != 0 &&
1204             strncmp(finfo->name, "..", 2) != 0) {
1205                 bool *smbc_rmdir_dirempty = (bool *)state;
1206                 *smbc_rmdir_dirempty = false;
1207         }
1208 }
1209
1210 /*
1211  * Routine to remove a directory
1212  */
1213
1214 int
1215 SMBC_rmdir_ctx(SMBCCTX *context,
1216                const char *fname)
1217 {
1218         SMBCSRV *srv = NULL;
1219         char *server = NULL;
1220         char *share = NULL;
1221         char *user = NULL;
1222         char *password = NULL;
1223         char *workgroup = NULL;
1224         char *path = NULL;
1225         char *targetpath = NULL;
1226         struct cli_state *targetcli = NULL;
1227         TALLOC_CTX *frame = talloc_stackframe();
1228
1229         if (!context || !context->internal->initialized) {
1230                 errno = EINVAL;
1231                 TALLOC_FREE(frame);
1232                 return -1;
1233         }
1234
1235         if (!fname) {
1236                 errno = EINVAL;
1237                 TALLOC_FREE(frame);
1238                 return -1;
1239         }
1240
1241         DEBUG(4, ("smbc_rmdir(%s)\n", fname));
1242
1243         if (SMBC_parse_path(frame,
1244                             context,
1245                             fname,
1246                             &workgroup,
1247                             &server,
1248                             &share,
1249                             &path,
1250                             &user,
1251                             &password,
1252                             NULL)) {
1253                 errno = EINVAL;
1254                 TALLOC_FREE(frame);
1255                 return -1;
1256         }
1257
1258         if (!user || user[0] == (char)0) {
1259                 user = talloc_strdup(frame, smbc_getUser(context));
1260                 if (!user) {
1261                         errno = ENOMEM;
1262                         TALLOC_FREE(frame);
1263                         return -1;
1264                 }
1265         }
1266
1267         srv = SMBC_server(frame, context, True,
1268                           server, share, &workgroup, &user, &password);
1269
1270         if (!srv) {
1271
1272                 TALLOC_FREE(frame);
1273                 return -1;  /* errno set by SMBC_server */
1274
1275         }
1276
1277         /*d_printf(">>>rmdir: resolving %s\n", path);*/
1278         if (!cli_resolve_path(frame, "", context->internal->auth_info,
1279                                 srv->cli, path,
1280                                 &targetcli, &targetpath)) {
1281                 d_printf("Could not resolve %s\n", path);
1282                 errno = ENOENT;
1283                 TALLOC_FREE(frame);
1284                 return -1;
1285         }
1286         /*d_printf(">>>rmdir: resolved path as %s\n", targetpath);*/
1287
1288
1289         if (!cli_rmdir(targetcli, targetpath)) {
1290
1291                 errno = SMBC_errno(context, targetcli);
1292
1293                 if (errno == EACCES) {  /* Check if the dir empty or not */
1294
1295                         /* Local storage to avoid buffer overflows */
1296                         char *lpath;
1297                         bool smbc_rmdir_dirempty = true;
1298
1299                         lpath = talloc_asprintf(frame, "%s\\*",
1300                                                 targetpath);
1301                         if (!lpath) {
1302                                 errno = ENOMEM;
1303                                 TALLOC_FREE(frame);
1304                                 return -1;
1305                         }
1306
1307                         if (cli_list(targetcli, lpath,
1308                                      aDIR | aSYSTEM | aHIDDEN,
1309                                      rmdir_list_fn,
1310                                      &smbc_rmdir_dirempty) < 0) {
1311
1312                                 /* Fix errno to ignore latest error ... */
1313                                 DEBUG(5, ("smbc_rmdir: "
1314                                           "cli_list returned an error: %d\n",
1315                                           SMBC_errno(context, targetcli)));
1316                                 errno = EACCES;
1317
1318                         }
1319
1320                         if (smbc_rmdir_dirempty)
1321                                 errno = EACCES;
1322                         else
1323                                 errno = ENOTEMPTY;
1324
1325                 }
1326
1327                 TALLOC_FREE(frame);
1328                 return -1;
1329
1330         }
1331
1332         TALLOC_FREE(frame);
1333         return 0;
1334
1335 }
1336
1337 /*
1338  * Routine to return the current directory position
1339  */
1340
1341 off_t
1342 SMBC_telldir_ctx(SMBCCTX *context,
1343                  SMBCFILE *dir)
1344 {
1345         TALLOC_CTX *frame = talloc_stackframe();
1346
1347         if (!context || !context->internal->initialized) {
1348
1349                 errno = EINVAL;
1350                 TALLOC_FREE(frame);
1351                 return -1;
1352
1353         }
1354
1355         if (!dir || !SMBC_dlist_contains(context->internal->files, dir)) {
1356
1357                 errno = EBADF;
1358                 TALLOC_FREE(frame);
1359                 return -1;
1360
1361         }
1362
1363         if (dir->file != False) { /* FIXME, should be dir, perhaps */
1364
1365                 errno = ENOTDIR;
1366                 TALLOC_FREE(frame);
1367                 return -1;
1368
1369         }
1370
1371         /* See if we're already at the end. */
1372         if (dir->dir_next == NULL) {
1373                 /* We are. */
1374                 TALLOC_FREE(frame);
1375                 return -1;
1376         }
1377
1378         /*
1379          * We return the pointer here as the offset
1380          */
1381         TALLOC_FREE(frame);
1382         return (off_t)(long)dir->dir_next->dirent;
1383 }
1384
1385 /*
1386  * A routine to run down the list and see if the entry is OK
1387  */
1388
1389 static struct smbc_dir_list *
1390 check_dir_ent(struct smbc_dir_list *list,
1391               struct smbc_dirent *dirent)
1392 {
1393
1394         /* Run down the list looking for what we want */
1395
1396         if (dirent) {
1397
1398                 struct smbc_dir_list *tmp = list;
1399
1400                 while (tmp) {
1401
1402                         if (tmp->dirent == dirent)
1403                                 return tmp;
1404
1405                         tmp = tmp->next;
1406
1407                 }
1408
1409         }
1410
1411         return NULL;  /* Not found, or an error */
1412
1413 }
1414
1415
1416 /*
1417  * Routine to seek on a directory
1418  */
1419
1420 int
1421 SMBC_lseekdir_ctx(SMBCCTX *context,
1422                   SMBCFILE *dir,
1423                   off_t offset)
1424 {
1425         long int l_offset = offset;  /* Handle problems of size */
1426         struct smbc_dirent *dirent = (struct smbc_dirent *)l_offset;
1427         struct smbc_dir_list *list_ent = (struct smbc_dir_list *)NULL;
1428         TALLOC_CTX *frame = talloc_stackframe();
1429
1430         if (!context || !context->internal->initialized) {
1431
1432                 errno = EINVAL;
1433                 TALLOC_FREE(frame);
1434                 return -1;
1435
1436         }
1437
1438         if (dir->file != False) { /* FIXME, should be dir, perhaps */
1439
1440                 errno = ENOTDIR;
1441                 TALLOC_FREE(frame);
1442                 return -1;
1443
1444         }
1445
1446         /* Now, check what we were passed and see if it is OK ... */
1447
1448         if (dirent == NULL) {  /* Seek to the begining of the list */
1449
1450                 dir->dir_next = dir->dir_list;
1451                 TALLOC_FREE(frame);
1452                 return 0;
1453
1454         }
1455
1456         if (offset == -1) {     /* Seek to the end of the list */
1457                 dir->dir_next = NULL;
1458                 TALLOC_FREE(frame);
1459                 return 0;
1460         }
1461
1462         /* Now, run down the list and make sure that the entry is OK       */
1463         /* This may need to be changed if we change the format of the list */
1464
1465         if ((list_ent = check_dir_ent(dir->dir_list, dirent)) == NULL) {
1466                 errno = EINVAL;   /* Bad entry */
1467                 TALLOC_FREE(frame);
1468                 return -1;
1469         }
1470
1471         dir->dir_next = list_ent;
1472
1473         TALLOC_FREE(frame);
1474         return 0;
1475 }
1476
1477 /*
1478  * Routine to fstat a dir
1479  */
1480
1481 int
1482 SMBC_fstatdir_ctx(SMBCCTX *context,
1483                   SMBCFILE *dir,
1484                   struct stat *st)
1485 {
1486
1487         if (!context || !context->internal->initialized) {
1488
1489                 errno = EINVAL;
1490                 return -1;
1491         }
1492
1493         /* No code yet ... */
1494         return 0;
1495 }
1496
1497 int
1498 SMBC_chmod_ctx(SMBCCTX *context,
1499                const char *fname,
1500                mode_t newmode)
1501 {
1502         SMBCSRV *srv = NULL;
1503         char *server = NULL;
1504         char *share = NULL;
1505         char *user = NULL;
1506         char *password = NULL;
1507         char *workgroup = NULL;
1508         char *targetpath = NULL;
1509         struct cli_state *targetcli = NULL;
1510         char *path = NULL;
1511         uint16 mode;
1512         TALLOC_CTX *frame = talloc_stackframe();
1513
1514         if (!context || !context->internal->initialized) {
1515
1516                 errno = EINVAL;  /* Best I can think of ... */
1517                 TALLOC_FREE(frame);
1518                 return -1;
1519         }
1520
1521         if (!fname) {
1522                 errno = EINVAL;
1523                 TALLOC_FREE(frame);
1524                 return -1;
1525         }
1526
1527         DEBUG(4, ("smbc_chmod(%s, 0%3o)\n", fname, (unsigned int)newmode));
1528
1529         if (SMBC_parse_path(frame,
1530                             context,
1531                             fname,
1532                             &workgroup,
1533                             &server,
1534                             &share,
1535                             &path,
1536                             &user,
1537                             &password,
1538                             NULL)) {
1539                 errno = EINVAL;
1540                 TALLOC_FREE(frame);
1541                 return -1;
1542         }
1543
1544         if (!user || user[0] == (char)0) {
1545                 user = talloc_strdup(frame, smbc_getUser(context));
1546                 if (!user) {
1547                         errno = ENOMEM;
1548                         TALLOC_FREE(frame);
1549                         return -1;
1550                 }
1551         }
1552
1553         srv = SMBC_server(frame, context, True,
1554                           server, share, &workgroup, &user, &password);
1555
1556         if (!srv) {
1557                 TALLOC_FREE(frame);
1558                 return -1;  /* errno set by SMBC_server */
1559         }
1560
1561         /*d_printf(">>>unlink: resolving %s\n", path);*/
1562         if (!cli_resolve_path(frame, "", context->internal->auth_info,
1563                                 srv->cli, path,
1564                                 &targetcli, &targetpath)) {
1565                 d_printf("Could not resolve %s\n", path);
1566                 errno = ENOENT;
1567                 TALLOC_FREE(frame);
1568                 return -1;
1569         }
1570
1571         mode = 0;
1572
1573         if (!(newmode & (S_IWUSR | S_IWGRP | S_IWOTH))) mode |= aRONLY;
1574         if ((newmode & S_IXUSR) && lp_map_archive(-1)) mode |= aARCH;
1575         if ((newmode & S_IXGRP) && lp_map_system(-1)) mode |= aSYSTEM;
1576         if ((newmode & S_IXOTH) && lp_map_hidden(-1)) mode |= aHIDDEN;
1577
1578         if (!cli_setatr(targetcli, targetpath, mode, 0)) {
1579                 errno = SMBC_errno(context, targetcli);
1580                 TALLOC_FREE(frame);
1581                 return -1;
1582         }
1583
1584         TALLOC_FREE(frame);
1585         return 0;
1586 }
1587
1588 int
1589 SMBC_utimes_ctx(SMBCCTX *context,
1590                 const char *fname,
1591                 struct timeval *tbuf)
1592 {
1593         SMBCSRV *srv = NULL;
1594         char *server = NULL;
1595         char *share = NULL;
1596         char *user = NULL;
1597         char *password = NULL;
1598         char *workgroup = NULL;
1599         char *path = NULL;
1600         time_t access_time;
1601         time_t write_time;
1602         TALLOC_CTX *frame = talloc_stackframe();
1603
1604         if (!context || !context->internal->initialized) {
1605
1606                 errno = EINVAL;  /* Best I can think of ... */
1607                 TALLOC_FREE(frame);
1608                 return -1;
1609         }
1610
1611         if (!fname) {
1612                 errno = EINVAL;
1613                 TALLOC_FREE(frame);
1614                 return -1;
1615         }
1616
1617         if (tbuf == NULL) {
1618                 access_time = write_time = time(NULL);
1619         } else {
1620                 access_time = tbuf[0].tv_sec;
1621                 write_time = tbuf[1].tv_sec;
1622         }
1623
1624         if (DEBUGLVL(4)) {
1625                 char *p;
1626                 char atimebuf[32];
1627                 char mtimebuf[32];
1628
1629                 strncpy(atimebuf, ctime(&access_time), sizeof(atimebuf) - 1);
1630                 atimebuf[sizeof(atimebuf) - 1] = '\0';
1631                 if ((p = strchr(atimebuf, '\n')) != NULL) {
1632                         *p = '\0';
1633                 }
1634
1635                 strncpy(mtimebuf, ctime(&write_time), sizeof(mtimebuf) - 1);
1636                 mtimebuf[sizeof(mtimebuf) - 1] = '\0';
1637                 if ((p = strchr(mtimebuf, '\n')) != NULL) {
1638                         *p = '\0';
1639                 }
1640
1641                 dbgtext("smbc_utimes(%s, atime = %s mtime = %s)\n",
1642                         fname, atimebuf, mtimebuf);
1643         }
1644
1645         if (SMBC_parse_path(frame,
1646                             context,
1647                             fname,
1648                             &workgroup,
1649                             &server,
1650                             &share,
1651                             &path,
1652                             &user,
1653                             &password,
1654                             NULL)) {
1655                 errno = EINVAL;
1656                 TALLOC_FREE(frame);
1657                 return -1;
1658         }
1659
1660         if (!user || user[0] == (char)0) {
1661                 user = talloc_strdup(frame, smbc_getUser(context));
1662                 if (!user) {
1663                         errno = ENOMEM;
1664                         TALLOC_FREE(frame);
1665                         return -1;
1666                 }
1667         }
1668
1669         srv = SMBC_server(frame, context, True,
1670                           server, share, &workgroup, &user, &password);
1671
1672         if (!srv) {
1673                 TALLOC_FREE(frame);
1674                 return -1;      /* errno set by SMBC_server */
1675         }
1676
1677         if (!SMBC_setatr(context, srv, path,
1678                          0, access_time, write_time, 0, 0)) {
1679                 TALLOC_FREE(frame);
1680                 return -1;      /* errno set by SMBC_setatr */
1681         }
1682
1683         TALLOC_FREE(frame);
1684         return 0;
1685 }
1686
1687 /*
1688  * Routine to unlink() a file
1689  */
1690
1691 int
1692 SMBC_unlink_ctx(SMBCCTX *context,
1693                 const char *fname)
1694 {
1695         char *server = NULL;
1696         char *share = NULL;
1697         char *user = NULL;
1698         char *password = NULL;
1699         char *workgroup = NULL;
1700         char *path = NULL;
1701         char *targetpath = NULL;
1702         struct cli_state *targetcli = NULL;
1703         SMBCSRV *srv = NULL;
1704         TALLOC_CTX *frame = talloc_stackframe();
1705
1706         if (!context || !context->internal->initialized) {
1707
1708                 errno = EINVAL;  /* Best I can think of ... */
1709                 TALLOC_FREE(frame);
1710                 return -1;
1711
1712         }
1713
1714         if (!fname) {
1715                 errno = EINVAL;
1716                 TALLOC_FREE(frame);
1717                 return -1;
1718
1719         }
1720
1721         if (SMBC_parse_path(frame,
1722                             context,
1723                             fname,
1724                             &workgroup,
1725                             &server,
1726                             &share,
1727                             &path,
1728                             &user,
1729                             &password,
1730                             NULL)) {
1731                 errno = EINVAL;
1732                 TALLOC_FREE(frame);
1733                 return -1;
1734         }
1735
1736         if (!user || user[0] == (char)0) {
1737                 user = talloc_strdup(frame, smbc_getUser(context));
1738                 if (!user) {
1739                         errno = ENOMEM;
1740                         TALLOC_FREE(frame);
1741                         return -1;
1742                 }
1743         }
1744
1745         srv = SMBC_server(frame, context, True,
1746                           server, share, &workgroup, &user, &password);
1747
1748         if (!srv) {
1749                 TALLOC_FREE(frame);
1750                 return -1;  /* SMBC_server sets errno */
1751
1752         }
1753
1754         /*d_printf(">>>unlink: resolving %s\n", path);*/
1755         if (!cli_resolve_path(frame, "", context->internal->auth_info,
1756                                 srv->cli, path,
1757                                 &targetcli, &targetpath)) {
1758                 d_printf("Could not resolve %s\n", path);
1759                 errno = ENOENT;
1760                 TALLOC_FREE(frame);
1761                 return -1;
1762         }
1763         /*d_printf(">>>unlink: resolved path as %s\n", targetpath);*/
1764
1765         if (!cli_unlink(targetcli, targetpath)) {
1766
1767                 errno = SMBC_errno(context, targetcli);
1768
1769                 if (errno == EACCES) { /* Check if the file is a directory */
1770
1771                         int saverr = errno;
1772                         SMB_OFF_T size = 0;
1773                         uint16 mode = 0;
1774                         struct timespec write_time_ts;
1775                         struct timespec access_time_ts;
1776                         struct timespec change_time_ts;
1777                         SMB_INO_T ino = 0;
1778
1779                         if (!SMBC_getatr(context, srv, path, &mode, &size,
1780                                          NULL,
1781                                          &access_time_ts,
1782                                          &write_time_ts,
1783                                          &change_time_ts,
1784                                          &ino)) {
1785
1786                                 /* Hmmm, bad error ... What? */
1787
1788                                 errno = SMBC_errno(context, targetcli);
1789                                 TALLOC_FREE(frame);
1790                                 return -1;
1791
1792                         }
1793                         else {
1794
1795                                 if (IS_DOS_DIR(mode))
1796                                         errno = EISDIR;
1797                                 else
1798                                         errno = saverr;  /* Restore this */
1799
1800                         }
1801                 }
1802
1803                 TALLOC_FREE(frame);
1804                 return -1;
1805
1806         }
1807
1808         TALLOC_FREE(frame);
1809         return 0;  /* Success ... */
1810
1811 }
1812
1813 /*
1814  * Routine to rename() a file
1815  */
1816
1817 int
1818 SMBC_rename_ctx(SMBCCTX *ocontext,
1819                 const char *oname,
1820                 SMBCCTX *ncontext,
1821                 const char *nname)
1822 {
1823         char *server1 = NULL;
1824         char *share1 = NULL;
1825         char *server2 = NULL;
1826         char *share2 = NULL;
1827         char *user1 = NULL;
1828         char *user2 = NULL;
1829         char *password1 = NULL;
1830         char *password2 = NULL;
1831         char *workgroup = NULL;
1832         char *path1 = NULL;
1833         char *path2 = NULL;
1834         char *targetpath1 = NULL;
1835         char *targetpath2 = NULL;
1836         struct cli_state *targetcli1 = NULL;
1837         struct cli_state *targetcli2 = NULL;
1838         SMBCSRV *srv = NULL;
1839         TALLOC_CTX *frame = talloc_stackframe();
1840
1841         if (!ocontext || !ncontext ||
1842             !ocontext->internal->initialized ||
1843             !ncontext->internal->initialized) {
1844
1845                 errno = EINVAL;  /* Best I can think of ... */
1846                 TALLOC_FREE(frame);
1847                 return -1;
1848         }
1849
1850         if (!oname || !nname) {
1851                 errno = EINVAL;
1852                 TALLOC_FREE(frame);
1853                 return -1;
1854         }
1855
1856         DEBUG(4, ("smbc_rename(%s,%s)\n", oname, nname));
1857
1858         if (SMBC_parse_path(frame,
1859                             ocontext,
1860                             oname,
1861                             &workgroup,
1862                             &server1,
1863                             &share1,
1864                             &path1,
1865                             &user1,
1866                             &password1,
1867                             NULL)) {
1868                 errno = EINVAL;
1869                 TALLOC_FREE(frame);
1870                 return -1;
1871         }
1872
1873         if (!user1 || user1[0] == (char)0) {
1874                 user1 = talloc_strdup(frame, smbc_getUser(ocontext));
1875                 if (!user1) {
1876                         errno = ENOMEM;
1877                         TALLOC_FREE(frame);
1878                         return -1;
1879                 }
1880         }
1881
1882         if (SMBC_parse_path(frame,
1883                             ncontext,
1884                             nname,
1885                             NULL,
1886                             &server2,
1887                             &share2,
1888                             &path2,
1889                             &user2,
1890                             &password2,
1891                             NULL)) {
1892                 errno = EINVAL;
1893                 TALLOC_FREE(frame);
1894                 return -1;
1895         }
1896
1897         if (!user2 || user2[0] == (char)0) {
1898                 user2 = talloc_strdup(frame, smbc_getUser(ncontext));
1899                 if (!user2) {
1900                         errno = ENOMEM;
1901                         TALLOC_FREE(frame);
1902                         return -1;
1903                 }
1904         }
1905
1906         if (strcmp(server1, server2) || strcmp(share1, share2) ||
1907             strcmp(user1, user2)) {
1908                 /* Can't rename across file systems, or users?? */
1909                 errno = EXDEV;
1910                 TALLOC_FREE(frame);
1911                 return -1;
1912         }
1913
1914         srv = SMBC_server(frame, ocontext, True,
1915                           server1, share1, &workgroup, &user1, &password1);
1916         if (!srv) {
1917                 TALLOC_FREE(frame);
1918                 return -1;
1919
1920         }
1921
1922         /* set the credentials to make DFS work */
1923         smbc_set_credentials_with_fallback(ocontext,
1924                                            workgroup,
1925                                            user1,
1926                                            password1);
1927
1928         /*d_printf(">>>rename: resolving %s\n", path1);*/
1929         if (!cli_resolve_path(frame, "", ocontext->internal->auth_info,
1930                                 srv->cli,
1931                                 path1,
1932                                 &targetcli1, &targetpath1)) {
1933                 d_printf("Could not resolve %s\n", path1);
1934                 errno = ENOENT;
1935                 TALLOC_FREE(frame);
1936                 return -1;
1937         }
1938
1939         /* set the credentials to make DFS work */
1940         smbc_set_credentials_with_fallback(ncontext,
1941                                            workgroup,
1942                                            user2,
1943                                            password2);
1944
1945         /*d_printf(">>>rename: resolved path as %s\n", targetpath1);*/
1946         /*d_printf(">>>rename: resolving %s\n", path2);*/
1947         if (!cli_resolve_path(frame, "", ncontext->internal->auth_info,
1948                                 srv->cli,
1949                                 path2,
1950                                 &targetcli2, &targetpath2)) {
1951                 d_printf("Could not resolve %s\n", path2);
1952                 errno = ENOENT;
1953                 TALLOC_FREE(frame);
1954                 return -1;
1955         }
1956         /*d_printf(">>>rename: resolved path as %s\n", targetpath2);*/
1957
1958         if (strcmp(targetcli1->desthost, targetcli2->desthost) ||
1959             strcmp(targetcli1->share, targetcli2->share))
1960         {
1961                 /* can't rename across file systems */
1962                 errno = EXDEV;
1963                 TALLOC_FREE(frame);
1964                 return -1;
1965         }
1966
1967         if (!cli_rename(targetcli1, targetpath1, targetpath2)) {
1968                 int eno = SMBC_errno(ocontext, targetcli1);
1969
1970                 if (eno != EEXIST ||
1971                     !cli_unlink(targetcli1, targetpath2) ||
1972                     !cli_rename(targetcli1, targetpath1, targetpath2)) {
1973
1974                         errno = eno;
1975                         TALLOC_FREE(frame);
1976                         return -1;
1977
1978                 }
1979         }
1980
1981         TALLOC_FREE(frame);
1982         return 0; /* Success */
1983 }
1984