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 "popt_common.h"
  27 #include "libsmbclient.h"
  28 #include "libsmb_internal.h"
  29 #include "../librpc/gen_ndr/cli_srvsvc.h"
  30
  31 /*
  32  * Routine to open a directory
  33  * We accept the URL syntax explained in SMBC_parse_path(), above.
  34  */
  35
  36 static void
  37 remove_dir(SMBCFILE *dir)
  38 {
  39         struct smbc_dir_list *d,*f;
  40
  41         d = dir->dir_list;
  42         while (d) {
  43
  44                 f = d; d = d->next;
  45
  46                 SAFE_FREE(f->dirent);
  47                 SAFE_FREE(f);
  48
  49         }
  50
  51         dir->dir_list = dir->dir_end = dir->dir_next = NULL;
  52
  53 }
  54
  55 static int
  56 add_dirent(SMBCFILE *dir,
  57            const char *name,
  58            const char *comment,
  59            uint32 type)
  60 {
  61         struct smbc_dirent *dirent;
  62         int size;
  63         int name_length = (name == NULL ? 0 : strlen(name));
  64         int comment_len = (comment == NULL ? 0 : strlen(comment));
  65
  66         /*
  67          * Allocate space for the dirent, which must be increased by the
  68          * size of the name and the comment and 1 each for the null terminator.
  69          */
  70
  71         size = sizeof(struct smbc_dirent) + name_length + comment_len + 2;
  72
  73         dirent = (struct smbc_dirent *)SMB_MALLOC(size);
  74
  75         if (!dirent) {
  76
  77                 dir->dir_error = ENOMEM;
  78                 return -1;
  79
  80         }
  81
  82         ZERO_STRUCTP(dirent);
  83
  84         if (dir->dir_list == NULL) {
  85
  86                 dir->dir_list = SMB_MALLOC_P(struct smbc_dir_list);
  87                 if (!dir->dir_list) {
  88
  89                         SAFE_FREE(dirent);
  90                         dir->dir_error = ENOMEM;
  91                         return -1;
  92
  93                 }
  94                 ZERO_STRUCTP(dir->dir_list);
  95
  96                 dir->dir_end = dir->dir_next = dir->dir_list;
  97         }
  98         else {
  99
 100                 dir->dir_end->next = SMB_MALLOC_P(struct smbc_dir_list);
 101
 102                 if (!dir->dir_end->next) {
 103
 104                         SAFE_FREE(dirent);
 105                         dir->dir_error = ENOMEM;
 106                         return -1;
 107
 108                 }
 109                 ZERO_STRUCTP(dir->dir_end->next);
 110
 111                 dir->dir_end = dir->dir_end->next;
 112         }
 113
 114         dir->dir_end->next = NULL;
 115         dir->dir_end->dirent = dirent;
 116
 117         dirent->smbc_type = type;
 118         dirent->namelen = name_length;
 119         dirent->commentlen = comment_len;
 120         dirent->dirlen = size;
 121
 122         /*
 123          * dirent->namelen + 1 includes the null (no null termination needed)
 124          * Ditto for dirent->commentlen.
 125          * The space for the two null bytes was allocated.
 126          */
 127         strncpy(dirent->name, (name?name:""), dirent->namelen + 1);
 128         dirent->comment = (char *)(&dirent->name + dirent->namelen + 1);
 129         strncpy(dirent->comment, (comment?comment:""), dirent->commentlen + 1);
 130
 131         return 0;
 132
 133 }
 134
 135 static void
 136 list_unique_wg_fn(const char *name,
 137                   uint32 type,
 138                   const char *comment,
 139                   void *state)
 140 {
 141         SMBCFILE *dir = (SMBCFILE *)state;
 142         struct smbc_dir_list *dir_list;
 143         struct smbc_dirent *dirent;
 144         int dirent_type;
 145         int do_remove = 0;
 146
 147         dirent_type = dir->dir_type;
 148
 149         if (add_dirent(dir, name, comment, dirent_type) < 0) {
 150                 /* An error occurred, what do we do? */
 151                 /* FIXME: Add some code here */
 152                 /* Change cli_NetServerEnum to take a fn
 153                    returning NTSTATUS... JRA. */
 154         }
 155
 156         /* Point to the one just added */
 157         dirent = dir->dir_end->dirent;
 158
 159         /* See if this was a duplicate */
 160         for (dir_list = dir->dir_list;
 161              dir_list != dir->dir_end;
 162              dir_list = dir_list->next) {
 163                 if (! do_remove &&
 164                     strcmp(dir_list->dirent->name, dirent->name) == 0) {
 165                         /* Duplicate.  End end of list need to be removed. */
 166                         do_remove = 1;
 167                 }
 168
 169                 if (do_remove && dir_list->next == dir->dir_end) {
 170                         /* Found the end of the list.  Remove it. */
 171                         dir->dir_end = dir_list;
 172                         free(dir_list->next);
 173                         free(dirent);
 174                         dir_list->next = NULL;
 175                         break;
 176                 }
 177         }
 178 }
 179
 180 static void
 181 list_fn(const char *name,
 182         uint32 type,
 183         const char *comment,
 184         void *state)
 185 {
 186         SMBCFILE *dir = (SMBCFILE *)state;
 187         int dirent_type;
 188
 189         /*
 190          * We need to process the type a little ...
 191          *
 192          * Disk share     = 0x00000000
 193          * Print share    = 0x00000001
 194          * Comms share    = 0x00000002 (obsolete?)
 195          * IPC$ share     = 0x00000003
 196          *
 197          * administrative shares:
 198          * ADMIN$, IPC$, C$, D$, E$ ...  are type |= 0x80000000
 199          */
 200
 201         if (dir->dir_type == SMBC_FILE_SHARE) {
 202                 switch (type) {
 203                 case 0 | 0x80000000:
 204                 case 0:
 205                         dirent_type = SMBC_FILE_SHARE;
 206                         break;
 207
 208                 case 1:
 209                         dirent_type = SMBC_PRINTER_SHARE;
 210                         break;
 211
 212                 case 2:
 213                         dirent_type = SMBC_COMMS_SHARE;
 214                         break;
 215
 216                 case 3 | 0x80000000:
 217                 case 3:
 218                         dirent_type = SMBC_IPC_SHARE;
 219                         break;
 220
 221                 default:
 222                         dirent_type = SMBC_FILE_SHARE; /* FIXME, error? */
 223                         break;
 224                 }
 225         }
 226         else {
 227                 dirent_type = dir->dir_type;
 228         }
 229
 230         if (add_dirent(dir, name, comment, dirent_type) < 0) {
 231                 /* An error occurred, what do we do? */
 232                 /* FIXME: Add some code here */
 233                 /* Change cli_NetServerEnum to take a fn
 234                    returning NTSTATUS... JRA. */
 235         }
 236 }
 237
 238 static NTSTATUS
 239 dir_list_fn(const char *mnt,
 240             struct file_info *finfo,
 241             const char *mask,
 242             void *state)
 243 {
 244
 245         if (add_dirent((SMBCFILE *)state, finfo->name, "",
 246                        (finfo->mode&aDIR?SMBC_DIR:SMBC_FILE)) < 0) {
 247                 SMBCFILE *dir = (SMBCFILE *)state;
 248                 return map_nt_error_from_unix(dir->dir_error);
 249         }
 250         return NT_STATUS_OK;
 251 }
 252
 253 static int
 254 net_share_enum_rpc(struct cli_state *cli,
 255                    void (*fn)(const char *name,
 256                               uint32 type,
 257                               const char *comment,
 258                               void *state),
 259                    void *state)
 260 {
 261         int i;
 262         WERROR result;
 263         uint32 preferred_len = 0xffffffff;
 264         uint32 type;
 265         struct srvsvc_NetShareInfoCtr info_ctr;
 266         struct srvsvc_NetShareCtr1 ctr1;
 267         fstring name = "";
 268         fstring comment = "";
 269         struct rpc_pipe_client *pipe_hnd = NULL;
 270         NTSTATUS nt_status;
 271         uint32_t resume_handle = 0;
 272         uint32_t total_entries = 0;
 273
 274         /* Open the server service pipe */
 275         nt_status = cli_rpc_pipe_open_noauth(cli, &ndr_table_srvsvc.syntax_id,
 276                                              &pipe_hnd);
 277         if (!NT_STATUS_IS_OK(nt_status)) {
 278                 DEBUG(1, ("net_share_enum_rpc pipe open fail!\n"));
 279                 return -1;
 280         }
 281
 282         ZERO_STRUCT(info_ctr);
 283         ZERO_STRUCT(ctr1);
 284
 285         info_ctr.level = 1;
 286         info_ctr.ctr.ctr1 = &ctr1;
 287
 288         /* Issue the NetShareEnum RPC call and retrieve the response */
 289         nt_status = rpccli_srvsvc_NetShareEnumAll(pipe_hnd, talloc_tos(),
 290                                                   pipe_hnd->desthost,
 291                                                   &info_ctr,
 292                                                   preferred_len,
 293                                                   &total_entries,
 294                                                   &resume_handle,
 295                                                   &result);
 296
 297         /* Was it successful? */
 298         if (!NT_STATUS_IS_OK(nt_status) || !W_ERROR_IS_OK(result) ||
 299             total_entries == 0) {
 300                 /*  Nope.  Go clean up. */
 301                 goto done;
 302         }
 303
 304         /* For each returned entry... */
 305         for (i = 0; i < info_ctr.ctr.ctr1->count; i++) {
 306
 307                 /* pull out the share name */
 308                 fstrcpy(name, info_ctr.ctr.ctr1->array[i].name);
 309
 310                 /* pull out the share's comment */
 311                 fstrcpy(comment, info_ctr.ctr.ctr1->array[i].comment);
 312
 313                 /* Get the type value */
 314                 type = info_ctr.ctr.ctr1->array[i].type;
 315
 316                 /* Add this share to the list */
 317                 (*fn)(name, type, comment, state);
 318         }
 319
 320 done:
 321         /* Close the server service pipe */
 322         TALLOC_FREE(pipe_hnd);
 323
 324         /* Tell 'em if it worked */
 325         return W_ERROR_IS_OK(result) ? 0 : -1;
 326 }
 327
 328
 329 /*
 330  * Verify that the options specified in a URL are valid
 331  */
 332 int
 333 SMBC_check_options(char *server,
 334                    char *share,
 335                    char *path,
 336                    char *options)
 337 {
 338         DEBUG(4, ("SMBC_check_options(): server='%s' share='%s' "
 339                   "path='%s' options='%s'\n",
 340                   server, share, path, options));
 341
 342         /* No options at all is always ok */
 343         if (! *options) return 0;
 344
 345         /* Currently, we don't support any options. */
 346         return -1;
 347 }
 348
 349
 350 SMBCFILE *
 351 SMBC_opendir_ctx(SMBCCTX *context,
 352                  const char *fname)
 353 {
 354         int saved_errno;
 355         char *server = NULL;
 356         char *share = NULL;
 357         char *user = NULL;
 358         char *password = NULL;
 359         char *options = NULL;
 360         char *workgroup = NULL;
 361         char *path = NULL;
 362         uint16 mode;
 363         char *p = NULL;
 364         SMBCSRV *srv  = NULL;
 365         SMBCFILE *dir = NULL;
 366         struct sockaddr_storage rem_ss;
 367         TALLOC_CTX *frame = talloc_stackframe();
 368
 369         if (!context || !context->internal->initialized) {
 370                 DEBUG(4, ("no valid context\n"));
 371                 errno = EINVAL + 8192;
 372                 TALLOC_FREE(frame);
 373                 return NULL;
 374
 375         }
 376
 377         if (!fname) {
 378                 DEBUG(4, ("no valid fname\n"));
 379                 errno = EINVAL + 8193;
 380                 TALLOC_FREE(frame);
 381                 return NULL;
 382         }
 383
 384         if (SMBC_parse_path(frame,
 385                             context,
 386                             fname,
 387                             &workgroup,
 388                             &server,
 389                             &share,
 390                             &path,
 391                             &user,
 392                             &password,
 393                             &options)) {
 394                 DEBUG(4, ("no valid path\n"));
 395                 errno = EINVAL + 8194;
 396                 TALLOC_FREE(frame);
 397                 return NULL;
 398         }
 399
 400         DEBUG(4, ("parsed path: fname='%s' server='%s' share='%s' "
 401                   "path='%s' options='%s'\n",
 402                   fname, server, share, path, options));
 403
 404         /* Ensure the options are valid */
 405         if (SMBC_check_options(server, share, path, options)) {
 406                 DEBUG(4, ("unacceptable options (%s)\n", options));
 407                 errno = EINVAL + 8195;
 408                 TALLOC_FREE(frame);
 409                 return NULL;
 410         }
 411
 412         if (!user || user[0] == (char)0) {
 413                 user = talloc_strdup(frame, smbc_getUser(context));
 414                 if (!user) {
 415                         errno = ENOMEM;
 416                         TALLOC_FREE(frame);
 417                         return NULL;
 418                 }
 419         }
 420
 421         dir = SMB_MALLOC_P(SMBCFILE);
 422
 423         if (!dir) {
 424                 errno = ENOMEM;
 425                 TALLOC_FREE(frame);
 426                 return NULL;
 427         }
 428
 429         ZERO_STRUCTP(dir);
 430
 431         dir->cli_fd   = 0;
 432         dir->fname    = SMB_STRDUP(fname);
 433         dir->srv      = NULL;
 434         dir->offset   = 0;
 435         dir->file     = False;
 436         dir->dir_list = dir->dir_next = dir->dir_end = NULL;
 437
 438         if (server[0] == (char)0) {
 439
 440                 int i;
 441                 int count;
 442                 int max_lmb_count;
 443                 struct ip_service *ip_list;
 444                 struct ip_service server_addr;
 445                 struct user_auth_info u_info;
 446
 447                 if (share[0] != (char)0 || path[0] != (char)0) {
 448
 449                         errno = EINVAL + 8196;
 450                         if (dir) {
 451                                 SAFE_FREE(dir->fname);
 452                                 SAFE_FREE(dir);
 453                         }
 454                         TALLOC_FREE(frame);
 455                         return NULL;
 456                 }
 457
 458                 /* Determine how many local master browsers to query */
 459                 max_lmb_count = (smbc_getOptionBrowseMaxLmbCount(context) == 0
 460                                  ? INT_MAX
 461                                  : smbc_getOptionBrowseMaxLmbCount(context));
 462
 463                 memset(&u_info, '\0', sizeof(u_info));
 464                 u_info.username = talloc_strdup(frame,user);
 465                 u_info.password = talloc_strdup(frame,password);
 466                 if (!u_info.username || !u_info.password) {
 467                         if (dir) {
 468                                 SAFE_FREE(dir->fname);
 469                                 SAFE_FREE(dir);
 470                         }
 471                         TALLOC_FREE(frame);
 472                         return NULL;
 473                 }
 474
 475                 /*
 476                  * We have server and share and path empty but options
 477                  * requesting that we scan all master browsers for their list
 478                  * of workgroups/domains.  This implies that we must first try
 479                  * broadcast queries to find all master browsers, and if that
 480                  * doesn't work, then try our other methods which return only
 481                  * a single master browser.
 482                  */
 483
 484                 ip_list = NULL;
 485                 if (!NT_STATUS_IS_OK(name_resolve_bcast(MSBROWSE, 1, &ip_list,
 486                                                         &count)))
 487                 {
 488
 489                         SAFE_FREE(ip_list);
 490
 491                         if (!find_master_ip(workgroup, &server_addr.ss)) {
 492
 493                                 if (dir) {
 494                                         SAFE_FREE(dir->fname);
 495                                         SAFE_FREE(dir);
 496                                 }
 497                                 errno = ENOENT;
 498                                 TALLOC_FREE(frame);
 499                                 return NULL;
 500                         }
 501
 502                         ip_list = (struct ip_service *)memdup(
 503                                 &server_addr, sizeof(server_addr));
 504                         if (ip_list == NULL) {
 505                                 errno = ENOMEM;
 506                                 TALLOC_FREE(frame);
 507                                 return NULL;
 508                         }
 509                         count = 1;
 510                 }
 511
 512                 for (i = 0; i < count && i < max_lmb_count; i++) {
 513                         char addr[INET6_ADDRSTRLEN];
 514                         char *wg_ptr = NULL;
 515                         struct cli_state *cli = NULL;
 516
 517                         print_sockaddr(addr, sizeof(addr), &ip_list[i].ss);
 518                         DEBUG(99, ("Found master browser %d of %d: %s\n",
 519                                    i+1, MAX(count, max_lmb_count),
 520                                    addr));
 521
 522                         cli = get_ipc_connect_master_ip(talloc_tos(),
 523                                                         &ip_list[i],
 524                                                         &u_info,
 525                                                         &wg_ptr);
 526                         /* cli == NULL is the master browser refused to talk or
 527                            could not be found */
 528                         if (!cli) {
 529                                 continue;
 530                         }
 531
 532                         workgroup = talloc_strdup(frame, wg_ptr);
 533                         server = talloc_strdup(frame, cli->desthost);
 534
 535                         cli_shutdown(cli);
 536
 537                         if (!workgroup || !server) {
 538                                 errno = ENOMEM;
 539                                 TALLOC_FREE(frame);
 540                                 return NULL;
 541                         }
 542
 543                         DEBUG(4, ("using workgroup %s %s\n",
 544                                   workgroup, server));
 545
 546                         /*
 547                          * For each returned master browser IP address, get a
 548                          * connection to IPC$ on the server if we do not
 549                          * already have one, and determine the
 550                          * workgroups/domains that it knows about.
 551                          */
 552
 553                         srv = SMBC_server(frame, context, True, server, "IPC$",
 554                                           &workgroup, &user, &password);
 555                         if (!srv) {
 556                                 continue;
 557                         }
 558
 559                         dir->srv = srv;
 560                         dir->dir_type = SMBC_WORKGROUP;
 561
 562                         /* Now, list the stuff ... */
 563
 564                         if (!cli_NetServerEnum(srv->cli,
 565                                                workgroup,
 566                                                SV_TYPE_DOMAIN_ENUM,
 567                                                list_unique_wg_fn,
 568                                                (void *)dir)) {
 569                                 continue;
 570                         }
 571                 }
 572
 573                 SAFE_FREE(ip_list);
 574         } else {
 575                 /*
 576                  * Server not an empty string ... Check the rest and see what
 577                  * gives
 578                  */
 579                 if (*share == '\0') {
 580                         if (*path != '\0') {
 581
 582                                 /* Should not have empty share with path */
 583                                 errno = EINVAL + 8197;
 584                                 if (dir) {
 585                                         SAFE_FREE(dir->fname);
 586                                         SAFE_FREE(dir);
 587                                 }
 588                                 TALLOC_FREE(frame);
 589                                 return NULL;
 590
 591                         }
 592
 593                         /*
 594                          * We don't know if <server> is really a server name
 595                          * or is a workgroup/domain name.  If we already have
 596                          * a server structure for it, we'll use it.
 597                          * Otherwise, check to see if <server><1D>,
 598                          * <server><1B>, or <server><20> translates.  We check
 599                          * to see if <server> is an IP address first.
 600                          */
 601
 602                         /*
 603                          * See if we have an existing server.  Do not
 604                          * establish a connection if one does not already
 605                          * exist.
 606                          */
 607                         srv = SMBC_server(frame, context, False,
 608                                           server, "IPC$",
 609                                           &workgroup, &user, &password);
 610
 611                         /*
 612                          * If no existing server and not an IP addr, look for
 613                          * LMB or DMB
 614                          */
 615                         if (!srv &&
 616                             !is_ipaddress(server) &&
 617                             (resolve_name(server, &rem_ss, 0x1d, false) ||   /* LMB */
 618                              resolve_name(server, &rem_ss, 0x1b, false) )) { /* DMB */
 619                                 /*
 620                                  * "server" is actually a workgroup name,
 621                                  * not a server. Make this clear.
 622                                  */
 623                                 char *wgroup = server;
 624                                 fstring buserver;
 625
 626                                 dir->dir_type = SMBC_SERVER;
 627
 628                                 /*
 629                                  * Get the backup list ...
 630                                  */
 631                                 if (!name_status_find(wgroup, 0, 0,
 632                                                       &rem_ss, buserver)) {
 633                                         char addr[INET6_ADDRSTRLEN];
 634
 635                                         print_sockaddr(addr, sizeof(addr), &rem_ss);
 636                                         DEBUG(0,("Could not get name of "
 637                                                 "local/domain master browser "
 638                                                 "for workgroup %s from "
 639                                                 "address %s\n",
 640                                                 wgroup,
 641                                                 addr));
 642                                         if (dir) {
 643                                                 SAFE_FREE(dir->fname);
 644                                                 SAFE_FREE(dir);
 645                                         }
 646                                         errno = EPERM;
 647                                         TALLOC_FREE(frame);
 648                                         return NULL;
 649
 650                                 }
 651
 652                                 /*
 653                                  * Get a connection to IPC$ on the server if
 654                                  * we do not already have one
 655                                  */
 656                                 srv = SMBC_server(frame, context, True,
 657                                                   buserver, "IPC$",
 658                                                   &workgroup,
 659                                                   &user, &password);
 660                                 if (!srv) {
 661                                         DEBUG(0, ("got no contact to IPC$\n"));
 662                                         if (dir) {
 663                                                 SAFE_FREE(dir->fname);
 664                                                 SAFE_FREE(dir);
 665                                         }
 666                                         TALLOC_FREE(frame);
 667                                         return NULL;
 668
 669                                 }
 670
 671                                 dir->srv = srv;
 672
 673                                 /* Now, list the servers ... */
 674                                 if (!cli_NetServerEnum(srv->cli, wgroup,
 675                                                        0x0000FFFE, list_fn,
 676                                                        (void *)dir)) {
 677
 678                                         if (dir) {
 679                                                 SAFE_FREE(dir->fname);
 680                                                 SAFE_FREE(dir);
 681                                         }
 682                                         TALLOC_FREE(frame);
 683                                         return NULL;
 684                                 }
 685                         } else if (srv ||
 686                                    (resolve_name(server, &rem_ss, 0x20, false))) {
 687
 688                                 /*
 689                                  * If we hadn't found the server, get one now
 690                                  */
 691                                 if (!srv) {
 692                                         srv = SMBC_server(frame, context, True,
 693                                                           server, "IPC$",
 694                                                           &workgroup,
 695                                                           &user, &password);
 696                                 }
 697
 698                                 if (!srv) {
 699                                         if (dir) {
 700                                                 SAFE_FREE(dir->fname);
 701                                                 SAFE_FREE(dir);
 702                                         }
 703                                         TALLOC_FREE(frame);
 704                                         return NULL;
 705
 706                                 }
 707
 708                                 dir->dir_type = SMBC_FILE_SHARE;
 709                                 dir->srv = srv;
 710
 711                                 /* List the shares ... */
 712
 713                                 if (net_share_enum_rpc(
 714                                             srv->cli,
 715                                             list_fn,
 716                                             (void *) dir) < 0 &&
 717                                     cli_RNetShareEnum(
 718                                             srv->cli,
 719                                             list_fn,
 720                                             (void *)dir) < 0) {
 721
 722                                         errno = cli_errno(srv->cli);
 723                                         if (dir) {
 724                                                 SAFE_FREE(dir->fname);
 725                                                 SAFE_FREE(dir);
 726                                         }
 727                                         TALLOC_FREE(frame);
 728                                         return NULL;
 729
 730                                 }
 731                         } else {
 732                                 /* Neither the workgroup nor server exists */
 733                                 errno = ECONNREFUSED;
 734                                 if (dir) {
 735                                         SAFE_FREE(dir->fname);
 736                                         SAFE_FREE(dir);
 737                                 }
 738                                 TALLOC_FREE(frame);
 739                                 return NULL;
 740                         }
 741
 742                 }
 743                 else {
 744                         /*
 745                          * The server and share are specified ... work from
 746                          * there ...
 747                          */
 748                         char *targetpath;
 749                         struct cli_state *targetcli;
 750                         NTSTATUS status;
 751
 752                         /* We connect to the server and list the directory */
 753                         dir->dir_type = SMBC_FILE_SHARE;
 754
 755                         srv = SMBC_server(frame, context, True, server, share,
 756                                           &workgroup, &user, &password);
 757
 758                         if (!srv) {
 759                                 if (dir) {
 760                                         SAFE_FREE(dir->fname);
 761                                         SAFE_FREE(dir);
 762                                 }
 763                                 TALLOC_FREE(frame);
 764                                 return NULL;
 765                         }
 766
 767                         dir->srv = srv;
 768
 769                         /* Now, list the files ... */
 770
 771                         p = path + strlen(path);
 772                         path = talloc_asprintf_append(path, "\\*");
 773                         if (!path) {
 774                                 if (dir) {
 775                                         SAFE_FREE(dir->fname);
 776                                         SAFE_FREE(dir);
 777                                 }
 778                                 TALLOC_FREE(frame);
 779                                 return NULL;
 780                         }
 781
 782                         if (!cli_resolve_path(frame, "", context->internal->auth_info,
 783                                                 srv->cli, path,
 784                                                 &targetcli, &targetpath)) {
 785                                 d_printf("Could not resolve %s\n", path);
 786                                 if (dir) {
 787                                         SAFE_FREE(dir->fname);
 788                                         SAFE_FREE(dir);
 789                                 }
 790                                 TALLOC_FREE(frame);
 791                                 return NULL;
 792                         }
 793
 794                         status = cli_list(targetcli, targetpath,
 795                                           aDIR | aSYSTEM | aHIDDEN,
 796                                           dir_list_fn, (void *)dir);
 797                         if (!NT_STATUS_IS_OK(status)) {
 798                                 if (dir) {
 799                                         SAFE_FREE(dir->fname);
 800                                         SAFE_FREE(dir);
 801                                 }
 802                                 saved_errno = SMBC_errno(context, targetcli);
 803
 804                                 if (saved_errno == EINVAL) {
 805                                         /*
 806                                          * See if they asked to opendir
 807                                          * something other than a directory.
 808                                          * If so, the converted error value we
 809                                          * got would have been EINVAL rather
 810                                          * than ENOTDIR.
 811                                          */
 812                                         *p = '\0'; /* restore original path */
 813
 814                                         if (SMBC_getatr(context, srv, path,
 815                                                         &mode, NULL,
 816                                                         NULL, NULL, NULL, NULL,
 817                                                         NULL) &&
 818                                             ! IS_DOS_DIR(mode)) {
 819
 820                                                 /* It is.  Correct the error value */
 821                                                 saved_errno = ENOTDIR;
 822                                         }
 823                                 }
 824
 825                                 /*
 826                                  * If there was an error and the server is no
 827                                  * good any more...
 828                                  */
 829                                 if (cli_is_error(targetcli) &&
 830                                     smbc_getFunctionCheckServer(context)(context, srv)) {
 831
 832                                         /* ... then remove it. */
 833                                         if (smbc_getFunctionRemoveUnusedServer(context)(context,
 834                                                                                         srv)) {
 835                                                 /*
 836                                                  * We could not remove the
 837                                                  * server completely, remove
 838                                                  * it from the cache so we
 839                                                  * will not get it again. It
 840                                                  * will be removed when the
 841                                                  * last file/dir is closed.
 842                                                  */
 843                                                 smbc_getFunctionRemoveCachedServer(context)(context, srv);
 844                                         }
 845                                 }
 846
 847                                 errno = saved_errno;
 848                                 TALLOC_FREE(frame);
 849                                 return NULL;
 850                         }
 851                 }
 852
 853         }
 854
 855         DLIST_ADD(context->internal->files, dir);
 856         TALLOC_FREE(frame);
 857         return dir;
 858
 859 }
 860
 861 /*
 862  * Routine to close a directory
 863  */
 864
 865 int
 866 SMBC_closedir_ctx(SMBCCTX *context,
 867                   SMBCFILE *dir)
 868 {
 869         TALLOC_CTX *frame = talloc_stackframe();
 870
 871         if (!context || !context->internal->initialized) {
 872                 errno = EINVAL;
 873                 TALLOC_FREE(frame);
 874                 return -1;
 875         }
 876
 877         if (!dir || !SMBC_dlist_contains(context->internal->files, dir)) {
 878                 errno = EBADF;
 879                 TALLOC_FREE(frame);
 880                 return -1;
 881         }
 882
 883         remove_dir(dir); /* Clean it up */
 884
 885         DLIST_REMOVE(context->internal->files, dir);
 886
 887         if (dir) {
 888
 889                 SAFE_FREE(dir->fname);
 890                 SAFE_FREE(dir);    /* Free the space too */
 891         }
 892
 893         TALLOC_FREE(frame);
 894         return 0;
 895
 896 }
 897
 898 static void
 899 smbc_readdir_internal(SMBCCTX * context,
 900                       struct smbc_dirent *dest,
 901                       struct smbc_dirent *src,
 902                       int max_namebuf_len)
 903 {
 904         if (smbc_getOptionUrlEncodeReaddirEntries(context)) {
 905
 906                 /* url-encode the name.  get back remaining buffer space */
 907                 max_namebuf_len =
 908                         smbc_urlencode(dest->name, src->name, max_namebuf_len);
 909
 910                 /* We now know the name length */
 911                 dest->namelen = strlen(dest->name);
 912
 913                 /* Save the pointer to the beginning of the comment */
 914                 dest->comment = dest->name + dest->namelen + 1;
 915
 916                 /* Copy the comment */
 917                 strncpy(dest->comment, src->comment, max_namebuf_len - 1);
 918                 dest->comment[max_namebuf_len - 1] = '\0';
 919
 920                 /* Save other fields */
 921                 dest->smbc_type = src->smbc_type;
 922                 dest->commentlen = strlen(dest->comment);
 923                 dest->dirlen = ((dest->comment + dest->commentlen + 1) -
 924                                 (char *) dest);
 925         } else {
 926
 927                 /* No encoding.  Just copy the entry as is. */
 928                 memcpy(dest, src, src->dirlen);
 929                 dest->comment = (char *)(&dest->name + src->namelen + 1);
 930         }
 931
 932 }
 933
 934 /*
 935  * Routine to get a directory entry
 936  */
 937
 938 struct smbc_dirent *
 939 SMBC_readdir_ctx(SMBCCTX *context,
 940                  SMBCFILE *dir)
 941 {
 942         int maxlen;
 943         struct smbc_dirent *dirp, *dirent;
 944         TALLOC_CTX *frame = talloc_stackframe();
 945
 946         /* Check that all is ok first ... */
 947
 948         if (!context || !context->internal->initialized) {
 949
 950                 errno = EINVAL;
 951                 DEBUG(0, ("Invalid context in SMBC_readdir_ctx()\n"));
 952                 TALLOC_FREE(frame);
 953                 return NULL;
 954
 955         }
 956
 957         if (!dir || !SMBC_dlist_contains(context->internal->files, dir)) {
 958
 959                 errno = EBADF;
 960                 DEBUG(0, ("Invalid dir in SMBC_readdir_ctx()\n"));
 961                 TALLOC_FREE(frame);
 962                 return NULL;
 963
 964         }
 965
 966         if (dir->file != False) { /* FIXME, should be dir, perhaps */
 967
 968                 errno = ENOTDIR;
 969                 DEBUG(0, ("Found file vs directory in SMBC_readdir_ctx()\n"));
 970                 TALLOC_FREE(frame);
 971                 return NULL;
 972
 973         }
 974
 975         if (!dir->dir_next) {
 976                 TALLOC_FREE(frame);
 977                 return NULL;
 978         }
 979
 980         dirent = dir->dir_next->dirent;
 981         if (!dirent) {
 982
 983                 errno = ENOENT;
 984                 TALLOC_FREE(frame);
 985                 return NULL;
 986
 987         }
 988
 989         dirp = &context->internal->dirent;
 990         maxlen = sizeof(context->internal->_dirent_name);
 991
 992         smbc_readdir_internal(context, dirp, dirent, maxlen);
 993
 994         dir->dir_next = dir->dir_next->next;
 995
 996         TALLOC_FREE(frame);
 997         return dirp;
 998 }
 999
1000 /*
1001  * Routine to get directory entries
1002  */
1003
1004 int
1005 SMBC_getdents_ctx(SMBCCTX *context,
1006                   SMBCFILE *dir,
1007                   struct smbc_dirent *dirp,
1008                   int count)
1009 {
1010         int rem = count;
1011         int reqd;
1012         int maxlen;
1013         char *ndir = (char *)dirp;
1014         struct smbc_dir_list *dirlist;
1015         TALLOC_CTX *frame = talloc_stackframe();
1016
1017         /* Check that all is ok first ... */
1018
1019         if (!context || !context->internal->initialized) {
1020
1021                 errno = EINVAL;
1022                 TALLOC_FREE(frame);
1023                 return -1;
1024
1025         }
1026
1027         if (!dir || !SMBC_dlist_contains(context->internal->files, dir)) {
1028
1029                 errno = EBADF;
1030                 TALLOC_FREE(frame);
1031                 return -1;
1032
1033         }
1034
1035         if (dir->file != False) { /* FIXME, should be dir, perhaps */
1036
1037                 errno = ENOTDIR;
1038                 TALLOC_FREE(frame);
1039                 return -1;
1040
1041         }
1042
1043         /*
1044          * Now, retrieve the number of entries that will fit in what was passed
1045          * We have to figure out if the info is in the list, or we need to
1046          * send a request to the server to get the info.
1047          */
1048
1049         while ((dirlist = dir->dir_next)) {
1050                 struct smbc_dirent *dirent;
1051                 struct smbc_dirent *currentEntry = (struct smbc_dirent *)ndir;
1052
1053                 if (!dirlist->dirent) {
1054
1055                         errno = ENOENT;  /* Bad error */
1056                         TALLOC_FREE(frame);
1057                         return -1;
1058
1059                 }
1060
1061                 /* Do urlencoding of next entry, if so selected */
1062                 dirent = &context->internal->dirent;
1063                 maxlen = sizeof(context->internal->_dirent_name);
1064                 smbc_readdir_internal(context, dirent,
1065                                       dirlist->dirent, maxlen);
1066
1067                 reqd = dirent->dirlen;
1068
1069                 if (rem < reqd) {
1070
1071                         if (rem < count) { /* We managed to copy something */
1072
1073                                 errno = 0;
1074                                 TALLOC_FREE(frame);
1075                                 return count - rem;
1076
1077                         }
1078                         else { /* Nothing copied ... */
1079
1080                                 errno = EINVAL;  /* Not enough space ... */
1081                                 TALLOC_FREE(frame);
1082                                 return -1;
1083
1084                         }
1085
1086                 }
1087
1088                 memcpy(currentEntry, dirent, reqd); /* Copy the data in ... */
1089
1090                 currentEntry->comment = &currentEntry->name[0] +
1091                                                 dirent->namelen + 1;
1092
1093                 ndir += reqd;
1094                 rem -= reqd;
1095
1096                 /* Try and align the struct for the next entry
1097                    on a valid pointer boundary by appending zeros */
1098                 while((rem > 0) && ((unsigned long long)ndir & (sizeof(void*) - 1))) {
1099                         *ndir = '\0';
1100                         rem--;
1101                         ndir++;
1102                         currentEntry->dirlen++;
1103                 }
1104
1105                 dir->dir_next = dirlist = dirlist -> next;
1106         }
1107
1108         TALLOC_FREE(frame);
1109
1110         if (rem == count)
1111                 return 0;
1112         else
1113                 return count - rem;
1114
1115 }
1116
1117 /*
1118  * Routine to create a directory ...
1119  */
1120
1121 int
1122 SMBC_mkdir_ctx(SMBCCTX *context,
1123                const char *fname,
1124                mode_t mode)
1125 {
1126         SMBCSRV *srv = NULL;
1127         char *server = NULL;
1128         char *share = NULL;
1129         char *user = NULL;
1130         char *password = NULL;
1131         char *workgroup = NULL;
1132         char *path = NULL;
1133         char *targetpath = NULL;
1134         struct cli_state *targetcli = NULL;
1135         TALLOC_CTX *frame = talloc_stackframe();
1136
1137         if (!context || !context->internal->initialized) {
1138                 errno = EINVAL;
1139                 TALLOC_FREE(frame);
1140                 return -1;
1141         }
1142
1143         if (!fname) {
1144                 errno = EINVAL;
1145                 TALLOC_FREE(frame);
1146                 return -1;
1147         }
1148
1149         DEBUG(4, ("smbc_mkdir(%s)\n", fname));
1150
1151         if (SMBC_parse_path(frame,
1152                             context,
1153                             fname,
1154                             &workgroup,
1155                             &server,
1156                             &share,
1157                             &path,
1158                             &user,
1159                             &password,
1160                             NULL)) {
1161                 errno = EINVAL;
1162                 TALLOC_FREE(frame);
1163                 return -1;
1164         }
1165
1166         if (!user || user[0] == (char)0) {
1167                 user = talloc_strdup(frame, smbc_getUser(context));
1168                 if (!user) {
1169                         errno = ENOMEM;
1170                         TALLOC_FREE(frame);
1171                         return -1;
1172                 }
1173         }
1174
1175         srv = SMBC_server(frame, context, True,
1176                           server, share, &workgroup, &user, &password);
1177
1178         if (!srv) {
1179
1180                 TALLOC_FREE(frame);
1181                 return -1;  /* errno set by SMBC_server */
1182
1183         }
1184
1185         /*d_printf(">>>mkdir: resolving %s\n", path);*/
1186         if (!cli_resolve_path(frame, "", context->internal->auth_info,
1187                                 srv->cli, path,
1188                                 &targetcli, &targetpath)) {
1189                 d_printf("Could not resolve %s\n", path);
1190                 errno = ENOENT;
1191                 TALLOC_FREE(frame);
1192                 return -1;
1193         }
1194         /*d_printf(">>>mkdir: resolved path as %s\n", targetpath);*/
1195
1196         if (!NT_STATUS_IS_OK(cli_mkdir(targetcli, targetpath))) {
1197                 errno = SMBC_errno(context, targetcli);
1198                 TALLOC_FREE(frame);
1199                 return -1;
1200
1201         }
1202
1203         TALLOC_FREE(frame);
1204         return 0;
1205
1206 }
1207
1208 /*
1209  * Our list function simply checks to see if a directory is not empty
1210  */
1211
1212 static NTSTATUS
1213 rmdir_list_fn(const char *mnt,
1214               struct file_info *finfo,
1215               const char *mask,
1216               void *state)
1217 {
1218         if (strncmp(finfo->name, ".", 1) != 0 &&
1219             strncmp(finfo->name, "..", 2) != 0) {
1220                 bool *smbc_rmdir_dirempty = (bool *)state;
1221                 *smbc_rmdir_dirempty = false;
1222         }
1223         return NT_STATUS_OK;
1224 }
1225
1226 /*
1227  * Routine to remove a directory
1228  */
1229
1230 int
1231 SMBC_rmdir_ctx(SMBCCTX *context,
1232                const char *fname)
1233 {
1234         SMBCSRV *srv = NULL;
1235         char *server = NULL;
1236         char *share = NULL;
1237         char *user = NULL;
1238         char *password = NULL;
1239         char *workgroup = NULL;
1240         char *path = NULL;
1241         char *targetpath = NULL;
1242         struct cli_state *targetcli = NULL;
1243         TALLOC_CTX *frame = talloc_stackframe();
1244
1245         if (!context || !context->internal->initialized) {
1246                 errno = EINVAL;
1247                 TALLOC_FREE(frame);
1248                 return -1;
1249         }
1250
1251         if (!fname) {
1252                 errno = EINVAL;
1253                 TALLOC_FREE(frame);
1254                 return -1;
1255         }
1256
1257         DEBUG(4, ("smbc_rmdir(%s)\n", fname));
1258
1259         if (SMBC_parse_path(frame,
1260                             context,
1261                             fname,
1262                             &workgroup,
1263                             &server,
1264                             &share,
1265                             &path,
1266                             &user,
1267                             &password,
1268                             NULL)) {
1269                 errno = EINVAL;
1270                 TALLOC_FREE(frame);
1271                 return -1;
1272         }
1273
1274         if (!user || user[0] == (char)0) {
1275                 user = talloc_strdup(frame, smbc_getUser(context));
1276                 if (!user) {
1277                         errno = ENOMEM;
1278                         TALLOC_FREE(frame);
1279                         return -1;
1280                 }
1281         }
1282
1283         srv = SMBC_server(frame, context, True,
1284                           server, share, &workgroup, &user, &password);
1285
1286         if (!srv) {
1287
1288                 TALLOC_FREE(frame);
1289                 return -1;  /* errno set by SMBC_server */
1290
1291         }
1292
1293         /*d_printf(">>>rmdir: resolving %s\n", path);*/
1294         if (!cli_resolve_path(frame, "", context->internal->auth_info,
1295                                 srv->cli, path,
1296                                 &targetcli, &targetpath)) {
1297                 d_printf("Could not resolve %s\n", path);
1298                 errno = ENOENT;
1299                 TALLOC_FREE(frame);
1300                 return -1;
1301         }
1302         /*d_printf(">>>rmdir: resolved path as %s\n", targetpath);*/
1303
1304         if (!NT_STATUS_IS_OK(cli_rmdir(targetcli, targetpath))) {
1305
1306                 errno = SMBC_errno(context, targetcli);
1307
1308                 if (errno == EACCES) {  /* Check if the dir empty or not */
1309
1310                         /* Local storage to avoid buffer overflows */
1311                         char *lpath;
1312                         bool smbc_rmdir_dirempty = true;
1313                         NTSTATUS status;
1314
1315                         lpath = talloc_asprintf(frame, "%s\\*",
1316                                                 targetpath);
1317                         if (!lpath) {
1318                                 errno = ENOMEM;
1319                                 TALLOC_FREE(frame);
1320                                 return -1;
1321                         }
1322
1323                         status = cli_list(targetcli, lpath,
1324                                           aDIR | aSYSTEM | aHIDDEN,
1325                                           rmdir_list_fn,
1326                                           &smbc_rmdir_dirempty);
1327
1328                         if (!NT_STATUS_IS_OK(status)) {
1329                                 /* Fix errno to ignore latest error ... */
1330                                 DEBUG(5, ("smbc_rmdir: "
1331                                           "cli_list returned an error: %d\n",
1332                                           SMBC_errno(context, targetcli)));
1333                                 errno = EACCES;
1334
1335                         }
1336
1337                         if (smbc_rmdir_dirempty)
1338                                 errno = EACCES;
1339                         else
1340                                 errno = ENOTEMPTY;
1341
1342                 }
1343
1344                 TALLOC_FREE(frame);
1345                 return -1;
1346
1347         }
1348
1349         TALLOC_FREE(frame);
1350         return 0;
1351
1352 }
1353
1354 /*
1355  * Routine to return the current directory position
1356  */
1357
1358 off_t
1359 SMBC_telldir_ctx(SMBCCTX *context,
1360                  SMBCFILE *dir)
1361 {
1362         TALLOC_CTX *frame = talloc_stackframe();
1363
1364         if (!context || !context->internal->initialized) {
1365
1366                 errno = EINVAL;
1367                 TALLOC_FREE(frame);
1368                 return -1;
1369
1370         }
1371
1372         if (!dir || !SMBC_dlist_contains(context->internal->files, dir)) {
1373
1374                 errno = EBADF;
1375                 TALLOC_FREE(frame);
1376                 return -1;
1377
1378         }
1379
1380         if (dir->file != False) { /* FIXME, should be dir, perhaps */
1381
1382                 errno = ENOTDIR;
1383                 TALLOC_FREE(frame);
1384                 return -1;
1385
1386         }
1387
1388         /* See if we're already at the end. */
1389         if (dir->dir_next == NULL) {
1390                 /* We are. */
1391                 TALLOC_FREE(frame);
1392                 return -1;
1393         }
1394
1395         /*
1396          * We return the pointer here as the offset
1397          */
1398         TALLOC_FREE(frame);
1399         return (off_t)(long)dir->dir_next->dirent;
1400 }
1401
1402 /*
1403  * A routine to run down the list and see if the entry is OK
1404  */
1405
1406 static struct smbc_dir_list *
1407 check_dir_ent(struct smbc_dir_list *list,
1408               struct smbc_dirent *dirent)
1409 {
1410
1411         /* Run down the list looking for what we want */
1412
1413         if (dirent) {
1414
1415                 struct smbc_dir_list *tmp = list;
1416
1417                 while (tmp) {
1418
1419                         if (tmp->dirent == dirent)
1420                                 return tmp;
1421
1422                         tmp = tmp->next;
1423
1424                 }
1425
1426         }
1427
1428         return NULL;  /* Not found, or an error */
1429
1430 }
1431
1432
1433 /*
1434  * Routine to seek on a directory
1435  */
1436
1437 int
1438 SMBC_lseekdir_ctx(SMBCCTX *context,
1439                   SMBCFILE *dir,
1440                   off_t offset)
1441 {
1442         long int l_offset = offset;  /* Handle problems of size */
1443         struct smbc_dirent *dirent = (struct smbc_dirent *)l_offset;
1444         struct smbc_dir_list *list_ent = (struct smbc_dir_list *)NULL;
1445         TALLOC_CTX *frame = talloc_stackframe();
1446
1447         if (!context || !context->internal->initialized) {
1448
1449                 errno = EINVAL;
1450                 TALLOC_FREE(frame);
1451                 return -1;
1452
1453         }
1454
1455         if (dir->file != False) { /* FIXME, should be dir, perhaps */
1456
1457                 errno = ENOTDIR;
1458                 TALLOC_FREE(frame);
1459                 return -1;
1460
1461         }
1462
1463         /* Now, check what we were passed and see if it is OK ... */
1464
1465         if (dirent == NULL) {  /* Seek to the begining of the list */
1466
1467                 dir->dir_next = dir->dir_list;
1468                 TALLOC_FREE(frame);
1469                 return 0;
1470
1471         }
1472
1473         if (offset == -1) {     /* Seek to the end of the list */
1474                 dir->dir_next = NULL;
1475                 TALLOC_FREE(frame);
1476                 return 0;
1477         }
1478
1479         /* Now, run down the list and make sure that the entry is OK       */
1480         /* This may need to be changed if we change the format of the list */
1481
1482         if ((list_ent = check_dir_ent(dir->dir_list, dirent)) == NULL) {
1483                 errno = EINVAL;   /* Bad entry */
1484                 TALLOC_FREE(frame);
1485                 return -1;
1486         }
1487
1488         dir->dir_next = list_ent;
1489
1490         TALLOC_FREE(frame);
1491         return 0;
1492 }
1493
1494 /*
1495  * Routine to fstat a dir
1496  */
1497
1498 int
1499 SMBC_fstatdir_ctx(SMBCCTX *context,
1500                   SMBCFILE *dir,
1501                   struct stat *st)
1502 {
1503
1504         if (!context || !context->internal->initialized) {
1505
1506                 errno = EINVAL;
1507                 return -1;
1508         }
1509
1510         /* No code yet ... */
1511         return 0;
1512 }
1513
1514 int
1515 SMBC_chmod_ctx(SMBCCTX *context,
1516                const char *fname,
1517                mode_t newmode)
1518 {
1519         SMBCSRV *srv = NULL;
1520         char *server = NULL;
1521         char *share = NULL;
1522         char *user = NULL;
1523         char *password = NULL;
1524         char *workgroup = NULL;
1525         char *targetpath = NULL;
1526         struct cli_state *targetcli = NULL;
1527         char *path = NULL;
1528         uint16 mode;
1529         TALLOC_CTX *frame = talloc_stackframe();
1530
1531         if (!context || !context->internal->initialized) {
1532
1533                 errno = EINVAL;  /* Best I can think of ... */
1534                 TALLOC_FREE(frame);
1535                 return -1;
1536         }
1537
1538         if (!fname) {
1539                 errno = EINVAL;
1540                 TALLOC_FREE(frame);
1541                 return -1;
1542         }
1543
1544         DEBUG(4, ("smbc_chmod(%s, 0%3o)\n", fname, (unsigned int)newmode));
1545
1546         if (SMBC_parse_path(frame,
1547                             context,
1548                             fname,
1549                             &workgroup,
1550                             &server,
1551                             &share,
1552                             &path,
1553                             &user,
1554                             &password,
1555                             NULL)) {
1556                 errno = EINVAL;
1557                 TALLOC_FREE(frame);
1558                 return -1;
1559         }
1560
1561         if (!user || user[0] == (char)0) {
1562                 user = talloc_strdup(frame, smbc_getUser(context));
1563                 if (!user) {
1564                         errno = ENOMEM;
1565                         TALLOC_FREE(frame);
1566                         return -1;
1567                 }
1568         }
1569
1570         srv = SMBC_server(frame, context, True,
1571                           server, share, &workgroup, &user, &password);
1572
1573         if (!srv) {
1574                 TALLOC_FREE(frame);
1575                 return -1;  /* errno set by SMBC_server */
1576         }
1577
1578         /*d_printf(">>>unlink: resolving %s\n", path);*/
1579         if (!cli_resolve_path(frame, "", context->internal->auth_info,
1580                                 srv->cli, path,
1581                                 &targetcli, &targetpath)) {
1582                 d_printf("Could not resolve %s\n", path);
1583                 errno = ENOENT;
1584                 TALLOC_FREE(frame);
1585                 return -1;
1586         }
1587
1588         mode = 0;
1589
1590         if (!(newmode & (S_IWUSR | S_IWGRP | S_IWOTH))) mode |= aRONLY;
1591         if ((newmode & S_IXUSR) && lp_map_archive(-1)) mode |= aARCH;
1592         if ((newmode & S_IXGRP) && lp_map_system(-1)) mode |= aSYSTEM;
1593         if ((newmode & S_IXOTH) && lp_map_hidden(-1)) mode |= aHIDDEN;
1594
1595         if (!NT_STATUS_IS_OK(cli_setatr(targetcli, targetpath, mode, 0))) {
1596                 errno = SMBC_errno(context, targetcli);
1597                 TALLOC_FREE(frame);
1598                 return -1;
1599         }
1600
1601         TALLOC_FREE(frame);
1602         return 0;
1603 }
1604
1605 int
1606 SMBC_utimes_ctx(SMBCCTX *context,
1607                 const char *fname,
1608                 struct timeval *tbuf)
1609 {
1610         SMBCSRV *srv = NULL;
1611         char *server = NULL;
1612         char *share = NULL;
1613         char *user = NULL;
1614         char *password = NULL;
1615         char *workgroup = NULL;
1616         char *path = NULL;
1617         time_t access_time;
1618         time_t write_time;
1619         TALLOC_CTX *frame = talloc_stackframe();
1620
1621         if (!context || !context->internal->initialized) {
1622
1623                 errno = EINVAL;  /* Best I can think of ... */
1624                 TALLOC_FREE(frame);
1625                 return -1;
1626         }
1627
1628         if (!fname) {
1629                 errno = EINVAL;
1630                 TALLOC_FREE(frame);
1631                 return -1;
1632         }
1633
1634         if (tbuf == NULL) {
1635                 access_time = write_time = time(NULL);
1636         } else {
1637                 access_time = tbuf[0].tv_sec;
1638                 write_time = tbuf[1].tv_sec;
1639         }
1640
1641         if (DEBUGLVL(4)) {
1642                 char *p;
1643                 char atimebuf[32];
1644                 char mtimebuf[32];
1645
1646                 strncpy(atimebuf, ctime(&access_time), sizeof(atimebuf) - 1);
1647                 atimebuf[sizeof(atimebuf) - 1] = '\0';
1648                 if ((p = strchr(atimebuf, '\n')) != NULL) {
1649                         *p = '\0';
1650                 }
1651
1652                 strncpy(mtimebuf, ctime(&write_time), sizeof(mtimebuf) - 1);
1653                 mtimebuf[sizeof(mtimebuf) - 1] = '\0';
1654                 if ((p = strchr(mtimebuf, '\n')) != NULL) {
1655                         *p = '\0';
1656                 }
1657
1658                 dbgtext("smbc_utimes(%s, atime = %s mtime = %s)\n",
1659                         fname, atimebuf, mtimebuf);
1660         }
1661
1662         if (SMBC_parse_path(frame,
1663                             context,
1664                             fname,
1665                             &workgroup,
1666                             &server,
1667                             &share,
1668                             &path,
1669                             &user,
1670                             &password,
1671                             NULL)) {
1672                 errno = EINVAL;
1673                 TALLOC_FREE(frame);
1674                 return -1;
1675         }
1676
1677         if (!user || user[0] == (char)0) {
1678                 user = talloc_strdup(frame, smbc_getUser(context));
1679                 if (!user) {
1680                         errno = ENOMEM;
1681                         TALLOC_FREE(frame);
1682                         return -1;
1683                 }
1684         }
1685
1686         srv = SMBC_server(frame, context, True,
1687                           server, share, &workgroup, &user, &password);
1688
1689         if (!srv) {
1690                 TALLOC_FREE(frame);
1691                 return -1;      /* errno set by SMBC_server */
1692         }
1693
1694         if (!SMBC_setatr(context, srv, path,
1695                          0, access_time, write_time, 0, 0)) {
1696                 TALLOC_FREE(frame);
1697                 return -1;      /* errno set by SMBC_setatr */
1698         }
1699
1700         TALLOC_FREE(frame);
1701         return 0;
1702 }
1703
1704 /*
1705  * Routine to unlink() a file
1706  */
1707
1708 int
1709 SMBC_unlink_ctx(SMBCCTX *context,
1710                 const char *fname)
1711 {
1712         char *server = NULL;
1713         char *share = NULL;
1714         char *user = NULL;
1715         char *password = NULL;
1716         char *workgroup = NULL;
1717         char *path = NULL;
1718         char *targetpath = NULL;
1719         struct cli_state *targetcli = NULL;
1720         SMBCSRV *srv = NULL;
1721         TALLOC_CTX *frame = talloc_stackframe();
1722
1723         if (!context || !context->internal->initialized) {
1724
1725                 errno = EINVAL;  /* Best I can think of ... */
1726                 TALLOC_FREE(frame);
1727                 return -1;
1728
1729         }
1730
1731         if (!fname) {
1732                 errno = EINVAL;
1733                 TALLOC_FREE(frame);
1734                 return -1;
1735
1736         }
1737
1738         if (SMBC_parse_path(frame,
1739                             context,
1740                             fname,
1741                             &workgroup,
1742                             &server,
1743                             &share,
1744                             &path,
1745                             &user,
1746                             &password,
1747                             NULL)) {
1748                 errno = EINVAL;
1749                 TALLOC_FREE(frame);
1750                 return -1;
1751         }
1752
1753         if (!user || user[0] == (char)0) {
1754                 user = talloc_strdup(frame, smbc_getUser(context));
1755                 if (!user) {
1756                         errno = ENOMEM;
1757                         TALLOC_FREE(frame);
1758                         return -1;
1759                 }
1760         }
1761
1762         srv = SMBC_server(frame, context, True,
1763                           server, share, &workgroup, &user, &password);
1764
1765         if (!srv) {
1766                 TALLOC_FREE(frame);
1767                 return -1;  /* SMBC_server sets errno */
1768
1769         }
1770
1771         /*d_printf(">>>unlink: resolving %s\n", path);*/
1772         if (!cli_resolve_path(frame, "", context->internal->auth_info,
1773                                 srv->cli, path,
1774                                 &targetcli, &targetpath)) {
1775                 d_printf("Could not resolve %s\n", path);
1776                 errno = ENOENT;
1777                 TALLOC_FREE(frame);
1778                 return -1;
1779         }
1780         /*d_printf(">>>unlink: resolved path as %s\n", targetpath);*/
1781
1782         if (!NT_STATUS_IS_OK(cli_unlink(targetcli, targetpath, aSYSTEM | aHIDDEN))) {
1783
1784                 errno = SMBC_errno(context, targetcli);
1785
1786                 if (errno == EACCES) { /* Check if the file is a directory */
1787
1788                         int saverr = errno;
1789                         SMB_OFF_T size = 0;
1790                         uint16 mode = 0;
1791                         struct timespec write_time_ts;
1792                         struct timespec access_time_ts;
1793                         struct timespec change_time_ts;
1794                         SMB_INO_T ino = 0;
1795
1796                         if (!SMBC_getatr(context, srv, path, &mode, &size,
1797                                          NULL,
1798                                          &access_time_ts,
1799                                          &write_time_ts,
1800                                          &change_time_ts,
1801                                          &ino)) {
1802
1803                                 /* Hmmm, bad error ... What? */
1804
1805                                 errno = SMBC_errno(context, targetcli);
1806                                 TALLOC_FREE(frame);
1807                                 return -1;
1808
1809                         }
1810                         else {
1811
1812                                 if (IS_DOS_DIR(mode))
1813                                         errno = EISDIR;
1814                                 else
1815                                         errno = saverr;  /* Restore this */
1816
1817                         }
1818                 }
1819
1820                 TALLOC_FREE(frame);
1821                 return -1;
1822
1823         }
1824
1825         TALLOC_FREE(frame);
1826         return 0;  /* Success ... */
1827
1828 }
1829
1830 /*
1831  * Routine to rename() a file
1832  */
1833
1834 int
1835 SMBC_rename_ctx(SMBCCTX *ocontext,
1836                 const char *oname,
1837                 SMBCCTX *ncontext,
1838                 const char *nname)
1839 {
1840         char *server1 = NULL;
1841         char *share1 = NULL;
1842         char *server2 = NULL;
1843         char *share2 = NULL;
1844         char *user1 = NULL;
1845         char *user2 = NULL;
1846         char *password1 = NULL;
1847         char *password2 = NULL;
1848         char *workgroup = NULL;
1849         char *path1 = NULL;
1850         char *path2 = NULL;
1851         char *targetpath1 = NULL;
1852         char *targetpath2 = NULL;
1853         struct cli_state *targetcli1 = NULL;
1854         struct cli_state *targetcli2 = NULL;
1855         SMBCSRV *srv = NULL;
1856         TALLOC_CTX *frame = talloc_stackframe();
1857
1858         if (!ocontext || !ncontext ||
1859             !ocontext->internal->initialized ||
1860             !ncontext->internal->initialized) {
1861
1862                 errno = EINVAL;  /* Best I can think of ... */
1863                 TALLOC_FREE(frame);
1864                 return -1;
1865         }
1866
1867         if (!oname || !nname) {
1868                 errno = EINVAL;
1869                 TALLOC_FREE(frame);
1870                 return -1;
1871         }
1872
1873         DEBUG(4, ("smbc_rename(%s,%s)\n", oname, nname));
1874
1875         if (SMBC_parse_path(frame,
1876                             ocontext,
1877                             oname,
1878                             &workgroup,
1879                             &server1,
1880                             &share1,
1881                             &path1,
1882                             &user1,
1883                             &password1,
1884                             NULL)) {
1885                 errno = EINVAL;
1886                 TALLOC_FREE(frame);
1887                 return -1;
1888         }
1889
1890         if (!user1 || user1[0] == (char)0) {
1891                 user1 = talloc_strdup(frame, smbc_getUser(ocontext));
1892                 if (!user1) {
1893                         errno = ENOMEM;
1894                         TALLOC_FREE(frame);
1895                         return -1;
1896                 }
1897         }
1898
1899         if (SMBC_parse_path(frame,
1900                             ncontext,
1901                             nname,
1902                             NULL,
1903                             &server2,
1904                             &share2,
1905                             &path2,
1906                             &user2,
1907                             &password2,
1908                             NULL)) {
1909                 errno = EINVAL;
1910                 TALLOC_FREE(frame);
1911                 return -1;
1912         }
1913
1914         if (!user2 || user2[0] == (char)0) {
1915                 user2 = talloc_strdup(frame, smbc_getUser(ncontext));
1916                 if (!user2) {
1917                         errno = ENOMEM;
1918                         TALLOC_FREE(frame);
1919                         return -1;
1920                 }
1921         }
1922
1923         if (strcmp(server1, server2) || strcmp(share1, share2) ||
1924             strcmp(user1, user2)) {
1925                 /* Can't rename across file systems, or users?? */
1926                 errno = EXDEV;
1927                 TALLOC_FREE(frame);
1928                 return -1;
1929         }
1930
1931         srv = SMBC_server(frame, ocontext, True,
1932                           server1, share1, &workgroup, &user1, &password1);
1933         if (!srv) {
1934                 TALLOC_FREE(frame);
1935                 return -1;
1936
1937         }
1938
1939         /* set the credentials to make DFS work */
1940         smbc_set_credentials_with_fallback(ocontext,
1941                                            workgroup,
1942                                            user1,
1943                                            password1);
1944
1945         /*d_printf(">>>rename: resolving %s\n", path1);*/
1946         if (!cli_resolve_path(frame, "", ocontext->internal->auth_info,
1947                                 srv->cli,
1948                                 path1,
1949                                 &targetcli1, &targetpath1)) {
1950                 d_printf("Could not resolve %s\n", path1);
1951                 errno = ENOENT;
1952                 TALLOC_FREE(frame);
1953                 return -1;
1954         }
1955
1956         /* set the credentials to make DFS work */
1957         smbc_set_credentials_with_fallback(ncontext,
1958                                            workgroup,
1959                                            user2,
1960                                            password2);
1961
1962         /*d_printf(">>>rename: resolved path as %s\n", targetpath1);*/
1963         /*d_printf(">>>rename: resolving %s\n", path2);*/
1964         if (!cli_resolve_path(frame, "", ncontext->internal->auth_info,
1965                                 srv->cli,
1966                                 path2,
1967                                 &targetcli2, &targetpath2)) {
1968                 d_printf("Could not resolve %s\n", path2);
1969                 errno = ENOENT;
1970                 TALLOC_FREE(frame);
1971                 return -1;
1972         }
1973         /*d_printf(">>>rename: resolved path as %s\n", targetpath2);*/
1974
1975         if (strcmp(targetcli1->desthost, targetcli2->desthost) ||
1976             strcmp(targetcli1->share, targetcli2->share))
1977         {
1978                 /* can't rename across file systems */
1979                 errno = EXDEV;
1980                 TALLOC_FREE(frame);
1981                 return -1;
1982         }
1983
1984         if (!NT_STATUS_IS_OK(cli_rename(targetcli1, targetpath1, targetpath2))) {
1985                 int eno = SMBC_errno(ocontext, targetcli1);
1986
1987                 if (eno != EEXIST ||
1988                     !NT_STATUS_IS_OK(cli_unlink(targetcli1, targetpath2, aSYSTEM | aHIDDEN)) ||
1989                     !NT_STATUS_IS_OK(cli_rename(targetcli1, targetpath1, targetpath2))) {
1990
1991                         errno = eno;
1992                         TALLOC_FREE(frame);
1993                         return -1;
1994
1995                 }
1996         }
1997
1998         TALLOC_FREE(frame);
1999         return 0; /* Success */
2000 }
2001