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 "rpc_client/cli_pipe.h"
  30 #include "../librpc/gen_ndr/ndr_srvsvc_c.h"
  31
  32 /*
  33  * Routine to open a directory
  34  * We accept the URL syntax explained in SMBC_parse_path(), above.
  35  */
  36
  37 static void
  38 remove_dir(SMBCFILE *dir)
  39 {
  40         struct smbc_dir_list *d,*f;
  41
  42         d = dir->dir_list;
  43         while (d) {
  44
  45                 f = d; d = d->next;
  46
  47                 SAFE_FREE(f->dirent);
  48                 SAFE_FREE(f);
  49
  50         }
  51
  52         dir->dir_list = dir->dir_end = dir->dir_next = NULL;
  53
  54 }
  55
  56 static int
  57 add_dirent(SMBCFILE *dir,
  58            const char *name,
  59            const char *comment,
  60            uint32 type)
  61 {
  62         struct smbc_dirent *dirent;
  63         int size;
  64         int name_length = (name == NULL ? 0 : strlen(name));
  65         int comment_len = (comment == NULL ? 0 : strlen(comment));
  66
  67         /*
  68          * Allocate space for the dirent, which must be increased by the
  69          * size of the name and the comment and 1 each for the null terminator.
  70          */
  71
  72         size = sizeof(struct smbc_dirent) + name_length + comment_len + 2;
  73
  74         dirent = (struct smbc_dirent *)SMB_MALLOC(size);
  75
  76         if (!dirent) {
  77
  78                 dir->dir_error = ENOMEM;
  79                 return -1;
  80
  81         }
  82
  83         ZERO_STRUCTP(dirent);
  84
  85         if (dir->dir_list == NULL) {
  86
  87                 dir->dir_list = SMB_MALLOC_P(struct smbc_dir_list);
  88                 if (!dir->dir_list) {
  89
  90                         SAFE_FREE(dirent);
  91                         dir->dir_error = ENOMEM;
  92                         return -1;
  93
  94                 }
  95                 ZERO_STRUCTP(dir->dir_list);
  96
  97                 dir->dir_end = dir->dir_next = dir->dir_list;
  98         }
  99         else {
 100
 101                 dir->dir_end->next = SMB_MALLOC_P(struct smbc_dir_list);
 102
 103                 if (!dir->dir_end->next) {
 104
 105                         SAFE_FREE(dirent);
 106                         dir->dir_error = ENOMEM;
 107                         return -1;
 108
 109                 }
 110                 ZERO_STRUCTP(dir->dir_end->next);
 111
 112                 dir->dir_end = dir->dir_end->next;
 113         }
 114
 115         dir->dir_end->next = NULL;
 116         dir->dir_end->dirent = dirent;
 117
 118         dirent->smbc_type = type;
 119         dirent->namelen = name_length;
 120         dirent->commentlen = comment_len;
 121         dirent->dirlen = size;
 122
 123         /*
 124          * dirent->namelen + 1 includes the null (no null termination needed)
 125          * Ditto for dirent->commentlen.
 126          * The space for the two null bytes was allocated.
 127          */
 128         strncpy(dirent->name, (name?name:""), dirent->namelen + 1);
 129         dirent->comment = (char *)(&dirent->name + dirent->namelen + 1);
 130         strncpy(dirent->comment, (comment?comment:""), dirent->commentlen + 1);
 131
 132         return 0;
 133
 134 }
 135
 136 static void
 137 list_unique_wg_fn(const char *name,
 138                   uint32 type,
 139                   const char *comment,
 140                   void *state)
 141 {
 142         SMBCFILE *dir = (SMBCFILE *)state;
 143         struct smbc_dir_list *dir_list;
 144         struct smbc_dirent *dirent;
 145         int dirent_type;
 146         int do_remove = 0;
 147
 148         dirent_type = dir->dir_type;
 149
 150         if (add_dirent(dir, name, comment, dirent_type) < 0) {
 151                 /* An error occurred, what do we do? */
 152                 /* FIXME: Add some code here */
 153                 /* Change cli_NetServerEnum to take a fn
 154                    returning NTSTATUS... JRA. */
 155         }
 156
 157         /* Point to the one just added */
 158         dirent = dir->dir_end->dirent;
 159
 160         /* See if this was a duplicate */
 161         for (dir_list = dir->dir_list;
 162              dir_list != dir->dir_end;
 163              dir_list = dir_list->next) {
 164                 if (! do_remove &&
 165                     strcmp(dir_list->dirent->name, dirent->name) == 0) {
 166                         /* Duplicate.  End end of list need to be removed. */
 167                         do_remove = 1;
 168                 }
 169
 170                 if (do_remove && dir_list->next == dir->dir_end) {
 171                         /* Found the end of the list.  Remove it. */
 172                         dir->dir_end = dir_list;
 173                         free(dir_list->next);
 174                         free(dirent);
 175                         dir_list->next = NULL;
 176                         break;
 177                 }
 178         }
 179 }
 180
 181 static void
 182 list_fn(const char *name,
 183         uint32 type,
 184         const char *comment,
 185         void *state)
 186 {
 187         SMBCFILE *dir = (SMBCFILE *)state;
 188         int dirent_type;
 189
 190         /*
 191          * We need to process the type a little ...
 192          *
 193          * Disk share     = 0x00000000
 194          * Print share    = 0x00000001
 195          * Comms share    = 0x00000002 (obsolete?)
 196          * IPC$ share     = 0x00000003
 197          *
 198          * administrative shares:
 199          * ADMIN$, IPC$, C$, D$, E$ ...  are type |= 0x80000000
 200          */
 201
 202         if (dir->dir_type == SMBC_FILE_SHARE) {
 203                 switch (type) {
 204                 case 0 | 0x80000000:
 205                 case 0:
 206                         dirent_type = SMBC_FILE_SHARE;
 207                         break;
 208
 209                 case 1:
 210                         dirent_type = SMBC_PRINTER_SHARE;
 211                         break;
 212
 213                 case 2:
 214                         dirent_type = SMBC_COMMS_SHARE;
 215                         break;
 216
 217                 case 3 | 0x80000000:
 218                 case 3:
 219                         dirent_type = SMBC_IPC_SHARE;
 220                         break;
 221
 222                 default:
 223                         dirent_type = SMBC_FILE_SHARE; /* FIXME, error? */
 224                         break;
 225                 }
 226         }
 227         else {
 228                 dirent_type = dir->dir_type;
 229         }
 230
 231         if (add_dirent(dir, name, comment, dirent_type) < 0) {
 232                 /* An error occurred, what do we do? */
 233                 /* FIXME: Add some code here */
 234                 /* Change cli_NetServerEnum to take a fn
 235                    returning NTSTATUS... JRA. */
 236         }
 237 }
 238
 239 static NTSTATUS
 240 dir_list_fn(const char *mnt,
 241             struct file_info *finfo,
 242             const char *mask,
 243             void *state)
 244 {
 245
 246         if (add_dirent((SMBCFILE *)state, finfo->name, "",
 247                        (finfo->mode&aDIR?SMBC_DIR:SMBC_FILE)) < 0) {
 248                 SMBCFILE *dir = (SMBCFILE *)state;
 249                 return map_nt_error_from_unix(dir->dir_error);
 250         }
 251         return NT_STATUS_OK;
 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 = NULL;
 271         NTSTATUS nt_status;
 272         uint32_t resume_handle = 0;
 273         uint32_t total_entries = 0;
 274         struct dcerpc_binding_handle *b;
 275
 276         /* Open the server service pipe */
 277         nt_status = cli_rpc_pipe_open_noauth(cli, &ndr_table_srvsvc.syntax_id,
 278                                              &pipe_hnd);
 279         if (!NT_STATUS_IS_OK(nt_status)) {
 280                 DEBUG(1, ("net_share_enum_rpc pipe open fail!\n"));
 281                 return -1;
 282         }
 283
 284         ZERO_STRUCT(info_ctr);
 285         ZERO_STRUCT(ctr1);
 286
 287         info_ctr.level = 1;
 288         info_ctr.ctr.ctr1 = &ctr1;
 289
 290         b = pipe_hnd->binding_handle;
 291
 292         /* Issue the NetShareEnum RPC call and retrieve the response */
 293         nt_status = dcerpc_srvsvc_NetShareEnumAll(b, talloc_tos(),
 294                                                   pipe_hnd->desthost,
 295                                                   &info_ctr,
 296                                                   preferred_len,
 297                                                   &total_entries,
 298                                                   &resume_handle,
 299                                                   &result);
 300
 301         /* Was it successful? */
 302         if (!NT_STATUS_IS_OK(nt_status)) {
 303                 /*  Nope.  Go clean up. */
 304                 result = ntstatus_to_werror(nt_status);
 305                 goto done;
 306         }
 307
 308         if (!W_ERROR_IS_OK(result)) {
 309                 /*  Nope.  Go clean up. */
 310                 goto done;
 311         }
 312
 313         if (total_entries == 0) {
 314                 /*  Nope.  Go clean up. */
 315                 result = WERR_GENERAL_FAILURE;
 316                 goto done;
 317         }
 318
 319         /* For each returned entry... */
 320         for (i = 0; i < info_ctr.ctr.ctr1->count; i++) {
 321
 322                 /* pull out the share name */
 323                 fstrcpy(name, info_ctr.ctr.ctr1->array[i].name);
 324
 325                 /* pull out the share's comment */
 326                 fstrcpy(comment, info_ctr.ctr.ctr1->array[i].comment);
 327
 328                 /* Get the type value */
 329                 type = info_ctr.ctr.ctr1->array[i].type;
 330
 331                 /* Add this share to the list */
 332                 (*fn)(name, type, comment, state);
 333         }
 334
 335 done:
 336         /* Close the server service pipe */
 337         TALLOC_FREE(pipe_hnd);
 338
 339         /* Tell 'em if it worked */
 340         return W_ERROR_IS_OK(result) ? 0 : -1;
 341 }
 342
 343
 344 /*
 345  * Verify that the options specified in a URL are valid
 346  */
 347 int
 348 SMBC_check_options(char *server,
 349                    char *share,
 350                    char *path,
 351                    char *options)
 352 {
 353         DEBUG(4, ("SMBC_check_options(): server='%s' share='%s' "
 354                   "path='%s' options='%s'\n",
 355                   server, share, path, options));
 356
 357         /* No options at all is always ok */
 358         if (! *options) return 0;
 359
 360         /* Currently, we don't support any options. */
 361         return -1;
 362 }
 363
 364
 365 SMBCFILE *
 366 SMBC_opendir_ctx(SMBCCTX *context,
 367                  const char *fname)
 368 {
 369         int saved_errno;
 370         char *server = NULL;
 371         char *share = NULL;
 372         char *user = NULL;
 373         char *password = NULL;
 374         char *options = NULL;
 375         char *workgroup = NULL;
 376         char *path = NULL;
 377         uint16 mode;
 378         char *p = NULL;
 379         SMBCSRV *srv  = NULL;
 380         SMBCFILE *dir = NULL;
 381         struct sockaddr_storage rem_ss;
 382         TALLOC_CTX *frame = talloc_stackframe();
 383
 384         if (!context || !context->internal->initialized) {
 385                 DEBUG(4, ("no valid context\n"));
 386                 TALLOC_FREE(frame);
 387                 errno = EINVAL + 8192;
 388                 return NULL;
 389
 390         }
 391
 392         if (!fname) {
 393                 DEBUG(4, ("no valid fname\n"));
 394                 TALLOC_FREE(frame);
 395                 errno = EINVAL + 8193;
 396                 return NULL;
 397         }
 398
 399         if (SMBC_parse_path(frame,
 400                             context,
 401                             fname,
 402                             &workgroup,
 403                             &server,
 404                             &share,
 405                             &path,
 406                             &user,
 407                             &password,
 408                             &options)) {
 409                 DEBUG(4, ("no valid path\n"));
 410                 TALLOC_FREE(frame);
 411                 errno = EINVAL + 8194;
 412                 return NULL;
 413         }
 414
 415         DEBUG(4, ("parsed path: fname='%s' server='%s' share='%s' "
 416                   "path='%s' options='%s'\n",
 417                   fname, server, share, path, options));
 418
 419         /* Ensure the options are valid */
 420         if (SMBC_check_options(server, share, path, options)) {
 421                 DEBUG(4, ("unacceptable options (%s)\n", options));
 422                 TALLOC_FREE(frame);
 423                 errno = EINVAL + 8195;
 424                 return NULL;
 425         }
 426
 427         if (!user || user[0] == (char)0) {
 428                 user = talloc_strdup(frame, smbc_getUser(context));
 429                 if (!user) {
 430                         TALLOC_FREE(frame);
 431                         errno = ENOMEM;
 432                         return NULL;
 433                 }
 434         }
 435
 436         dir = SMB_MALLOC_P(SMBCFILE);
 437
 438         if (!dir) {
 439                 TALLOC_FREE(frame);
 440                 errno = ENOMEM;
 441                 return NULL;
 442         }
 443
 444         ZERO_STRUCTP(dir);
 445
 446         dir->cli_fd   = 0;
 447         dir->fname    = SMB_STRDUP(fname);
 448         dir->srv      = NULL;
 449         dir->offset   = 0;
 450         dir->file     = False;
 451         dir->dir_list = dir->dir_next = dir->dir_end = NULL;
 452
 453         if (server[0] == (char)0) {
 454
 455                 int i;
 456                 int count;
 457                 int max_lmb_count;
 458                 struct ip_service *ip_list;
 459                 struct ip_service server_addr;
 460                 struct user_auth_info u_info;
 461
 462                 if (share[0] != (char)0 || path[0] != (char)0) {
 463
 464                         if (dir) {
 465                                 SAFE_FREE(dir->fname);
 466                                 SAFE_FREE(dir);
 467                         }
 468                         TALLOC_FREE(frame);
 469                         errno = EINVAL + 8196;
 470                         return NULL;
 471                 }
 472
 473                 /* Determine how many local master browsers to query */
 474                 max_lmb_count = (smbc_getOptionBrowseMaxLmbCount(context) == 0
 475                                  ? INT_MAX
 476                                  : smbc_getOptionBrowseMaxLmbCount(context));
 477
 478                 memset(&u_info, '\0', sizeof(u_info));
 479                 u_info.username = talloc_strdup(frame,user);
 480                 u_info.password = talloc_strdup(frame,password);
 481                 if (!u_info.username || !u_info.password) {
 482                         if (dir) {
 483                                 SAFE_FREE(dir->fname);
 484                                 SAFE_FREE(dir);
 485                         }
 486                         TALLOC_FREE(frame);
 487                         return NULL;
 488                 }
 489
 490                 /*
 491                  * We have server and share and path empty but options
 492                  * requesting that we scan all master browsers for their list
 493                  * of workgroups/domains.  This implies that we must first try
 494                  * broadcast queries to find all master browsers, and if that
 495                  * doesn't work, then try our other methods which return only
 496                  * a single master browser.
 497                  */
 498
 499                 ip_list = NULL;
 500                 if (!NT_STATUS_IS_OK(name_resolve_bcast(MSBROWSE, 1, &ip_list,
 501                                                         &count)))
 502                 {
 503
 504                         SAFE_FREE(ip_list);
 505
 506                         if (!find_master_ip(workgroup, &server_addr.ss)) {
 507
 508                                 if (dir) {
 509                                         SAFE_FREE(dir->fname);
 510                                         SAFE_FREE(dir);
 511                                 }
 512                                 TALLOC_FREE(frame);
 513                                 errno = ENOENT;
 514                                 return NULL;
 515                         }
 516
 517                         ip_list = (struct ip_service *)memdup(
 518                                 &server_addr, sizeof(server_addr));
 519                         if (ip_list == NULL) {
 520                                 TALLOC_FREE(frame);
 521                                 errno = ENOMEM;
 522                                 return NULL;
 523                         }
 524                         count = 1;
 525                 }
 526
 527                 for (i = 0; i < count && i < max_lmb_count; i++) {
 528                         char addr[INET6_ADDRSTRLEN];
 529                         char *wg_ptr = NULL;
 530                         struct cli_state *cli = NULL;
 531
 532                         print_sockaddr(addr, sizeof(addr), &ip_list[i].ss);
 533                         DEBUG(99, ("Found master browser %d of %d: %s\n",
 534                                    i+1, MAX(count, max_lmb_count),
 535                                    addr));
 536
 537                         cli = get_ipc_connect_master_ip(talloc_tos(),
 538                                                         &ip_list[i],
 539                                                         &u_info,
 540                                                         &wg_ptr);
 541                         /* cli == NULL is the master browser refused to talk or
 542                            could not be found */
 543                         if (!cli) {
 544                                 continue;
 545                         }
 546
 547                         workgroup = talloc_strdup(frame, wg_ptr);
 548                         server = talloc_strdup(frame, cli->desthost);
 549
 550                         cli_shutdown(cli);
 551
 552                         if (!workgroup || !server) {
 553                                 if (dir) {
 554                                         SAFE_FREE(dir->fname);
 555                                         SAFE_FREE(dir);
 556                                 }
 557                                 TALLOC_FREE(frame);
 558                                 errno = ENOMEM;
 559                                 return NULL;
 560                         }
 561
 562                         DEBUG(4, ("using workgroup %s %s\n",
 563                                   workgroup, server));
 564
 565                         /*
 566                          * For each returned master browser IP address, get a
 567                          * connection to IPC$ on the server if we do not
 568                          * already have one, and determine the
 569                          * workgroups/domains that it knows about.
 570                          */
 571
 572                         srv = SMBC_server(frame, context, True, server, "IPC$",
 573                                           &workgroup, &user, &password);
 574                         if (!srv) {
 575                                 continue;
 576                         }
 577
 578                         dir->srv = srv;
 579                         dir->dir_type = SMBC_WORKGROUP;
 580
 581                         /* Now, list the stuff ... */
 582
 583                         if (!cli_NetServerEnum(srv->cli,
 584                                                workgroup,
 585                                                SV_TYPE_DOMAIN_ENUM,
 586                                                list_unique_wg_fn,
 587                                                (void *)dir)) {
 588                                 continue;
 589                         }
 590                 }
 591
 592                 SAFE_FREE(ip_list);
 593         } else {
 594                 /*
 595                  * Server not an empty string ... Check the rest and see what
 596                  * gives
 597                  */
 598                 if (*share == '\0') {
 599                         if (*path != '\0') {
 600
 601                                 /* Should not have empty share with path */
 602                                 if (dir) {
 603                                         SAFE_FREE(dir->fname);
 604                                         SAFE_FREE(dir);
 605                                 }
 606                                 TALLOC_FREE(frame);
 607                                 errno = EINVAL + 8197;
 608                                 return NULL;
 609
 610                         }
 611
 612                         /*
 613                          * We don't know if <server> is really a server name
 614                          * or is a workgroup/domain name.  If we already have
 615                          * a server structure for it, we'll use it.
 616                          * Otherwise, check to see if <server><1D>,
 617                          * <server><1B>, or <server><20> translates.  We check
 618                          * to see if <server> is an IP address first.
 619                          */
 620
 621                         /*
 622                          * See if we have an existing server.  Do not
 623                          * establish a connection if one does not already
 624                          * exist.
 625                          */
 626                         srv = SMBC_server(frame, context, False,
 627                                           server, "IPC$",
 628                                           &workgroup, &user, &password);
 629
 630                         /*
 631                          * If no existing server and not an IP addr, look for
 632                          * LMB or DMB
 633                          */
 634                         if (!srv &&
 635                             !is_ipaddress(server) &&
 636                             (resolve_name(server, &rem_ss, 0x1d, false) ||   /* LMB */
 637                              resolve_name(server, &rem_ss, 0x1b, false) )) { /* DMB */
 638                                 /*
 639                                  * "server" is actually a workgroup name,
 640                                  * not a server. Make this clear.
 641                                  */
 642                                 char *wgroup = server;
 643                                 fstring buserver;
 644
 645                                 dir->dir_type = SMBC_SERVER;
 646
 647                                 /*
 648                                  * Get the backup list ...
 649                                  */
 650                                 if (!name_status_find(wgroup, 0, 0,
 651                                                       &rem_ss, buserver)) {
 652                                         char addr[INET6_ADDRSTRLEN];
 653
 654                                         print_sockaddr(addr, sizeof(addr), &rem_ss);
 655                                         DEBUG(0,("Could not get name of "
 656                                                 "local/domain master browser "
 657                                                 "for workgroup %s from "
 658                                                 "address %s\n",
 659                                                 wgroup,
 660                                                 addr));
 661                                         if (dir) {
 662                                                 SAFE_FREE(dir->fname);
 663                                                 SAFE_FREE(dir);
 664                                         }
 665                                         TALLOC_FREE(frame);
 666                                         errno = EPERM;
 667                                         return NULL;
 668
 669                                 }
 670
 671                                 /*
 672                                  * Get a connection to IPC$ on the server if
 673                                  * we do not already have one
 674                                  */
 675                                 srv = SMBC_server(frame, context, True,
 676                                                   buserver, "IPC$",
 677                                                   &workgroup,
 678                                                   &user, &password);
 679                                 if (!srv) {
 680                                         DEBUG(0, ("got no contact to IPC$\n"));
 681                                         if (dir) {
 682                                                 SAFE_FREE(dir->fname);
 683                                                 SAFE_FREE(dir);
 684                                         }
 685                                         TALLOC_FREE(frame);
 686                                         return NULL;
 687
 688                                 }
 689
 690                                 dir->srv = srv;
 691
 692                                 /* Now, list the servers ... */
 693                                 if (!cli_NetServerEnum(srv->cli, wgroup,
 694                                                        0x0000FFFE, list_fn,
 695                                                        (void *)dir)) {
 696
 697                                         if (dir) {
 698                                                 SAFE_FREE(dir->fname);
 699                                                 SAFE_FREE(dir);
 700                                         }
 701                                         TALLOC_FREE(frame);
 702                                         return NULL;
 703                                 }
 704                         } else if (srv ||
 705                                    (resolve_name(server, &rem_ss, 0x20, false))) {
 706
 707                                 /*
 708                                  * If we hadn't found the server, get one now
 709                                  */
 710                                 if (!srv) {
 711                                         srv = SMBC_server(frame, context, True,
 712                                                           server, "IPC$",
 713                                                           &workgroup,
 714                                                           &user, &password);
 715                                 }
 716
 717                                 if (!srv) {
 718                                         if (dir) {
 719                                                 SAFE_FREE(dir->fname);
 720                                                 SAFE_FREE(dir);
 721                                         }
 722                                         TALLOC_FREE(frame);
 723                                         return NULL;
 724
 725                                 }
 726
 727                                 dir->dir_type = SMBC_FILE_SHARE;
 728                                 dir->srv = srv;
 729
 730                                 /* List the shares ... */
 731
 732                                 if (net_share_enum_rpc(
 733                                             srv->cli,
 734                                             list_fn,
 735                                             (void *) dir) < 0 &&
 736                                     cli_RNetShareEnum(
 737                                             srv->cli,
 738                                             list_fn,
 739                                             (void *)dir) < 0) {
 740
 741                                         errno = cli_errno(srv->cli);
 742                                         if (dir) {
 743                                                 SAFE_FREE(dir->fname);
 744                                                 SAFE_FREE(dir);
 745                                         }
 746                                         TALLOC_FREE(frame);
 747                                         return NULL;
 748
 749                                 }
 750                         } else {
 751                                 /* Neither the workgroup nor server exists */
 752                                 errno = ECONNREFUSED;
 753                                 if (dir) {
 754                                         SAFE_FREE(dir->fname);
 755                                         SAFE_FREE(dir);
 756                                 }
 757                                 TALLOC_FREE(frame);
 758                                 return NULL;
 759                         }
 760
 761                 }
 762                 else {
 763                         /*
 764                          * The server and share are specified ... work from
 765                          * there ...
 766                          */
 767                         char *targetpath;
 768                         struct cli_state *targetcli;
 769                         NTSTATUS status;
 770
 771                         /* We connect to the server and list the directory */
 772                         dir->dir_type = SMBC_FILE_SHARE;
 773
 774                         srv = SMBC_server(frame, context, True, server, share,
 775                                           &workgroup, &user, &password);
 776
 777                         if (!srv) {
 778                                 if (dir) {
 779                                         SAFE_FREE(dir->fname);
 780                                         SAFE_FREE(dir);
 781                                 }
 782                                 TALLOC_FREE(frame);
 783                                 return NULL;
 784                         }
 785
 786                         dir->srv = srv;
 787
 788                         /* Now, list the files ... */
 789
 790                         p = path + strlen(path);
 791                         path = talloc_asprintf_append(path, "\\*");
 792                         if (!path) {
 793                                 if (dir) {
 794                                         SAFE_FREE(dir->fname);
 795                                         SAFE_FREE(dir);
 796                                 }
 797                                 TALLOC_FREE(frame);
 798                                 return NULL;
 799                         }
 800
 801                         if (!cli_resolve_path(frame, "", context->internal->auth_info,
 802                                                 srv->cli, path,
 803                                                 &targetcli, &targetpath)) {
 804                                 d_printf("Could not resolve %s\n", path);
 805                                 if (dir) {
 806                                         SAFE_FREE(dir->fname);
 807                                         SAFE_FREE(dir);
 808                                 }
 809                                 TALLOC_FREE(frame);
 810                                 return NULL;
 811                         }
 812
 813                         status = cli_list(targetcli, targetpath,
 814                                           aDIR | aSYSTEM | aHIDDEN,
 815                                           dir_list_fn, (void *)dir);
 816                         if (!NT_STATUS_IS_OK(status)) {
 817                                 if (dir) {
 818                                         SAFE_FREE(dir->fname);
 819                                         SAFE_FREE(dir);
 820                                 }
 821                                 saved_errno = SMBC_errno(context, targetcli);
 822
 823                                 if (saved_errno == EINVAL) {
 824                                         /*
 825                                          * See if they asked to opendir
 826                                          * something other than a directory.
 827                                          * If so, the converted error value we
 828                                          * got would have been EINVAL rather
 829                                          * than ENOTDIR.
 830                                          */
 831                                         *p = '\0'; /* restore original path */
 832
 833                                         if (SMBC_getatr(context, srv, path,
 834                                                         &mode, NULL,
 835                                                         NULL, NULL, NULL, NULL,
 836                                                         NULL) &&
 837                                             ! IS_DOS_DIR(mode)) {
 838
 839                                                 /* It is.  Correct the error value */
 840                                                 saved_errno = ENOTDIR;
 841                                         }
 842                                 }
 843
 844                                 /*
 845                                  * If there was an error and the server is no
 846                                  * good any more...
 847                                  */
 848                                 if (cli_is_error(targetcli) &&
 849                                     smbc_getFunctionCheckServer(context)(context, srv)) {
 850
 851                                         /* ... then remove it. */
 852                                         if (smbc_getFunctionRemoveUnusedServer(context)(context,
 853                                                                                         srv)) {
 854                                                 /*
 855                                                  * We could not remove the
 856                                                  * server completely, remove
 857                                                  * it from the cache so we
 858                                                  * will not get it again. It
 859                                                  * will be removed when the
 860                                                  * last file/dir is closed.
 861                                                  */
 862                                                 smbc_getFunctionRemoveCachedServer(context)(context, srv);
 863                                         }
 864                                 }
 865
 866                                 TALLOC_FREE(frame);
 867                                 errno = saved_errno;
 868                                 return NULL;
 869                         }
 870                 }
 871
 872         }
 873
 874         DLIST_ADD(context->internal->files, dir);
 875         TALLOC_FREE(frame);
 876         return dir;
 877
 878 }
 879
 880 /*
 881  * Routine to close a directory
 882  */
 883
 884 int
 885 SMBC_closedir_ctx(SMBCCTX *context,
 886                   SMBCFILE *dir)
 887 {
 888         TALLOC_CTX *frame = talloc_stackframe();
 889
 890         if (!context || !context->internal->initialized) {
 891                 errno = EINVAL;
 892                 TALLOC_FREE(frame);
 893                 return -1;
 894         }
 895
 896         if (!dir || !SMBC_dlist_contains(context->internal->files, dir)) {
 897                 errno = EBADF;
 898                 TALLOC_FREE(frame);
 899                 return -1;
 900         }
 901
 902         remove_dir(dir); /* Clean it up */
 903
 904         DLIST_REMOVE(context->internal->files, dir);
 905
 906         if (dir) {
 907
 908                 SAFE_FREE(dir->fname);
 909                 SAFE_FREE(dir);    /* Free the space too */
 910         }
 911
 912         TALLOC_FREE(frame);
 913         return 0;
 914
 915 }
 916
 917 static void
 918 smbc_readdir_internal(SMBCCTX * context,
 919                       struct smbc_dirent *dest,
 920                       struct smbc_dirent *src,
 921                       int max_namebuf_len)
 922 {
 923         if (smbc_getOptionUrlEncodeReaddirEntries(context)) {
 924
 925                 /* url-encode the name.  get back remaining buffer space */
 926                 max_namebuf_len =
 927                         smbc_urlencode(dest->name, src->name, max_namebuf_len);
 928
 929                 /* We now know the name length */
 930                 dest->namelen = strlen(dest->name);
 931
 932                 /* Save the pointer to the beginning of the comment */
 933                 dest->comment = dest->name + dest->namelen + 1;
 934
 935                 /* Copy the comment */
 936                 strncpy(dest->comment, src->comment, max_namebuf_len - 1);
 937                 dest->comment[max_namebuf_len - 1] = '\0';
 938
 939                 /* Save other fields */
 940                 dest->smbc_type = src->smbc_type;
 941                 dest->commentlen = strlen(dest->comment);
 942                 dest->dirlen = ((dest->comment + dest->commentlen + 1) -
 943                                 (char *) dest);
 944         } else {
 945
 946                 /* No encoding.  Just copy the entry as is. */
 947                 memcpy(dest, src, src->dirlen);
 948                 dest->comment = (char *)(&dest->name + src->namelen + 1);
 949         }
 950
 951 }
 952
 953 /*
 954  * Routine to get a directory entry
 955  */
 956
 957 struct smbc_dirent *
 958 SMBC_readdir_ctx(SMBCCTX *context,
 959                  SMBCFILE *dir)
 960 {
 961         int maxlen;
 962         struct smbc_dirent *dirp, *dirent;
 963         TALLOC_CTX *frame = talloc_stackframe();
 964
 965         /* Check that all is ok first ... */
 966
 967         if (!context || !context->internal->initialized) {
 968
 969                 errno = EINVAL;
 970                 DEBUG(0, ("Invalid context in SMBC_readdir_ctx()\n"));
 971                 TALLOC_FREE(frame);
 972                 return NULL;
 973
 974         }
 975
 976         if (!dir || !SMBC_dlist_contains(context->internal->files, dir)) {
 977
 978                 errno = EBADF;
 979                 DEBUG(0, ("Invalid dir in SMBC_readdir_ctx()\n"));
 980                 TALLOC_FREE(frame);
 981                 return NULL;
 982
 983         }
 984
 985         if (dir->file != False) { /* FIXME, should be dir, perhaps */
 986
 987                 errno = ENOTDIR;
 988                 DEBUG(0, ("Found file vs directory in SMBC_readdir_ctx()\n"));
 989                 TALLOC_FREE(frame);
 990                 return NULL;
 991
 992         }
 993
 994         if (!dir->dir_next) {
 995                 TALLOC_FREE(frame);
 996                 return NULL;
 997         }
 998
 999         dirent = dir->dir_next->dirent;
1000         if (!dirent) {
1001
1002                 errno = ENOENT;
1003                 TALLOC_FREE(frame);
1004                 return NULL;
1005
1006         }
1007
1008         dirp = &context->internal->dirent;
1009         maxlen = sizeof(context->internal->_dirent_name);
1010
1011         smbc_readdir_internal(context, dirp, dirent, maxlen);
1012
1013         dir->dir_next = dir->dir_next->next;
1014
1015         TALLOC_FREE(frame);
1016         return dirp;
1017 }
1018
1019 /*
1020  * Routine to get directory entries
1021  */
1022
1023 int
1024 SMBC_getdents_ctx(SMBCCTX *context,
1025                   SMBCFILE *dir,
1026                   struct smbc_dirent *dirp,
1027                   int count)
1028 {
1029         int rem = count;
1030         int reqd;
1031         int maxlen;
1032         char *ndir = (char *)dirp;
1033         struct smbc_dir_list *dirlist;
1034         TALLOC_CTX *frame = talloc_stackframe();
1035
1036         /* Check that all is ok first ... */
1037
1038         if (!context || !context->internal->initialized) {
1039
1040                 errno = EINVAL;
1041                 TALLOC_FREE(frame);
1042                 return -1;
1043
1044         }
1045
1046         if (!dir || !SMBC_dlist_contains(context->internal->files, dir)) {
1047
1048                 errno = EBADF;
1049                 TALLOC_FREE(frame);
1050                 return -1;
1051
1052         }
1053
1054         if (dir->file != False) { /* FIXME, should be dir, perhaps */
1055
1056                 errno = ENOTDIR;
1057                 TALLOC_FREE(frame);
1058                 return -1;
1059
1060         }
1061
1062         /*
1063          * Now, retrieve the number of entries that will fit in what was passed
1064          * We have to figure out if the info is in the list, or we need to
1065          * send a request to the server to get the info.
1066          */
1067
1068         while ((dirlist = dir->dir_next)) {
1069                 struct smbc_dirent *dirent;
1070                 struct smbc_dirent *currentEntry = (struct smbc_dirent *)ndir;
1071
1072                 if (!dirlist->dirent) {
1073
1074                         errno = ENOENT;  /* Bad error */
1075                         TALLOC_FREE(frame);
1076                         return -1;
1077
1078                 }
1079
1080                 /* Do urlencoding of next entry, if so selected */
1081                 dirent = &context->internal->dirent;
1082                 maxlen = sizeof(context->internal->_dirent_name);
1083                 smbc_readdir_internal(context, dirent,
1084                                       dirlist->dirent, maxlen);
1085
1086                 reqd = dirent->dirlen;
1087
1088                 if (rem < reqd) {
1089
1090                         if (rem < count) { /* We managed to copy something */
1091
1092                                 errno = 0;
1093                                 TALLOC_FREE(frame);
1094                                 return count - rem;
1095
1096                         }
1097                         else { /* Nothing copied ... */
1098
1099                                 errno = EINVAL;  /* Not enough space ... */
1100                                 TALLOC_FREE(frame);
1101                                 return -1;
1102
1103                         }
1104
1105                 }
1106
1107                 memcpy(currentEntry, dirent, reqd); /* Copy the data in ... */
1108
1109                 currentEntry->comment = &currentEntry->name[0] +
1110                                                 dirent->namelen + 1;
1111
1112                 ndir += reqd;
1113                 rem -= reqd;
1114
1115                 /* Try and align the struct for the next entry
1116                    on a valid pointer boundary by appending zeros */
1117                 while((rem > 0) && ((unsigned long long)ndir & (sizeof(void*) - 1))) {
1118                         *ndir = '\0';
1119                         rem--;
1120                         ndir++;
1121                         currentEntry->dirlen++;
1122                 }
1123
1124                 dir->dir_next = dirlist = dirlist -> next;
1125         }
1126
1127         TALLOC_FREE(frame);
1128
1129         if (rem == count)
1130                 return 0;
1131         else
1132                 return count - rem;
1133
1134 }
1135
1136 /*
1137  * Routine to create a directory ...
1138  */
1139
1140 int
1141 SMBC_mkdir_ctx(SMBCCTX *context,
1142                const char *fname,
1143                mode_t mode)
1144 {
1145         SMBCSRV *srv = NULL;
1146         char *server = NULL;
1147         char *share = NULL;
1148         char *user = NULL;
1149         char *password = NULL;
1150         char *workgroup = NULL;
1151         char *path = NULL;
1152         char *targetpath = NULL;
1153         struct cli_state *targetcli = NULL;
1154         TALLOC_CTX *frame = talloc_stackframe();
1155
1156         if (!context || !context->internal->initialized) {
1157                 errno = EINVAL;
1158                 TALLOC_FREE(frame);
1159                 return -1;
1160         }
1161
1162         if (!fname) {
1163                 errno = EINVAL;
1164                 TALLOC_FREE(frame);
1165                 return -1;
1166         }
1167
1168         DEBUG(4, ("smbc_mkdir(%s)\n", fname));
1169
1170         if (SMBC_parse_path(frame,
1171                             context,
1172                             fname,
1173                             &workgroup,
1174                             &server,
1175                             &share,
1176                             &path,
1177                             &user,
1178                             &password,
1179                             NULL)) {
1180                 errno = EINVAL;
1181                 TALLOC_FREE(frame);
1182                 return -1;
1183         }
1184
1185         if (!user || user[0] == (char)0) {
1186                 user = talloc_strdup(frame, smbc_getUser(context));
1187                 if (!user) {
1188                         errno = ENOMEM;
1189                         TALLOC_FREE(frame);
1190                         return -1;
1191                 }
1192         }
1193
1194         srv = SMBC_server(frame, context, True,
1195                           server, share, &workgroup, &user, &password);
1196
1197         if (!srv) {
1198
1199                 TALLOC_FREE(frame);
1200                 return -1;  /* errno set by SMBC_server */
1201
1202         }
1203
1204         /*d_printf(">>>mkdir: resolving %s\n", path);*/
1205         if (!cli_resolve_path(frame, "", context->internal->auth_info,
1206                                 srv->cli, path,
1207                                 &targetcli, &targetpath)) {
1208                 d_printf("Could not resolve %s\n", path);
1209                 errno = ENOENT;
1210                 TALLOC_FREE(frame);
1211                 return -1;
1212         }
1213         /*d_printf(">>>mkdir: resolved path as %s\n", targetpath);*/
1214
1215         if (!NT_STATUS_IS_OK(cli_mkdir(targetcli, targetpath))) {
1216                 errno = SMBC_errno(context, targetcli);
1217                 TALLOC_FREE(frame);
1218                 return -1;
1219
1220         }
1221
1222         TALLOC_FREE(frame);
1223         return 0;
1224
1225 }
1226
1227 /*
1228  * Our list function simply checks to see if a directory is not empty
1229  */
1230
1231 static NTSTATUS
1232 rmdir_list_fn(const char *mnt,
1233               struct file_info *finfo,
1234               const char *mask,
1235               void *state)
1236 {
1237         if (strncmp(finfo->name, ".", 1) != 0 &&
1238             strncmp(finfo->name, "..", 2) != 0) {
1239                 bool *smbc_rmdir_dirempty = (bool *)state;
1240                 *smbc_rmdir_dirempty = false;
1241         }
1242         return NT_STATUS_OK;
1243 }
1244
1245 /*
1246  * Routine to remove a directory
1247  */
1248
1249 int
1250 SMBC_rmdir_ctx(SMBCCTX *context,
1251                const char *fname)
1252 {
1253         SMBCSRV *srv = NULL;
1254         char *server = NULL;
1255         char *share = NULL;
1256         char *user = NULL;
1257         char *password = NULL;
1258         char *workgroup = NULL;
1259         char *path = NULL;
1260         char *targetpath = NULL;
1261         struct cli_state *targetcli = NULL;
1262         TALLOC_CTX *frame = talloc_stackframe();
1263
1264         if (!context || !context->internal->initialized) {
1265                 errno = EINVAL;
1266                 TALLOC_FREE(frame);
1267                 return -1;
1268         }
1269
1270         if (!fname) {
1271                 errno = EINVAL;
1272                 TALLOC_FREE(frame);
1273                 return -1;
1274         }
1275
1276         DEBUG(4, ("smbc_rmdir(%s)\n", fname));
1277
1278         if (SMBC_parse_path(frame,
1279                             context,
1280                             fname,
1281                             &workgroup,
1282                             &server,
1283                             &share,
1284                             &path,
1285                             &user,
1286                             &password,
1287                             NULL)) {
1288                 errno = EINVAL;
1289                 TALLOC_FREE(frame);
1290                 return -1;
1291         }
1292
1293         if (!user || user[0] == (char)0) {
1294                 user = talloc_strdup(frame, smbc_getUser(context));
1295                 if (!user) {
1296                         errno = ENOMEM;
1297                         TALLOC_FREE(frame);
1298                         return -1;
1299                 }
1300         }
1301
1302         srv = SMBC_server(frame, context, True,
1303                           server, share, &workgroup, &user, &password);
1304
1305         if (!srv) {
1306
1307                 TALLOC_FREE(frame);
1308                 return -1;  /* errno set by SMBC_server */
1309
1310         }
1311
1312         /*d_printf(">>>rmdir: resolving %s\n", path);*/
1313         if (!cli_resolve_path(frame, "", context->internal->auth_info,
1314                                 srv->cli, path,
1315                                 &targetcli, &targetpath)) {
1316                 d_printf("Could not resolve %s\n", path);
1317                 errno = ENOENT;
1318                 TALLOC_FREE(frame);
1319                 return -1;
1320         }
1321         /*d_printf(">>>rmdir: resolved path as %s\n", targetpath);*/
1322
1323         if (!NT_STATUS_IS_OK(cli_rmdir(targetcli, targetpath))) {
1324
1325                 errno = SMBC_errno(context, targetcli);
1326
1327                 if (errno == EACCES) {  /* Check if the dir empty or not */
1328
1329                         /* Local storage to avoid buffer overflows */
1330                         char *lpath;
1331                         bool smbc_rmdir_dirempty = true;
1332                         NTSTATUS status;
1333
1334                         lpath = talloc_asprintf(frame, "%s\\*",
1335                                                 targetpath);
1336                         if (!lpath) {
1337                                 errno = ENOMEM;
1338                                 TALLOC_FREE(frame);
1339                                 return -1;
1340                         }
1341
1342                         status = cli_list(targetcli, lpath,
1343                                           aDIR | aSYSTEM | aHIDDEN,
1344                                           rmdir_list_fn,
1345                                           &smbc_rmdir_dirempty);
1346
1347                         if (!NT_STATUS_IS_OK(status)) {
1348                                 /* Fix errno to ignore latest error ... */
1349                                 DEBUG(5, ("smbc_rmdir: "
1350                                           "cli_list returned an error: %d\n",
1351                                           SMBC_errno(context, targetcli)));
1352                                 errno = EACCES;
1353
1354                         }
1355
1356                         if (smbc_rmdir_dirempty)
1357                                 errno = EACCES;
1358                         else
1359                                 errno = ENOTEMPTY;
1360
1361                 }
1362
1363                 TALLOC_FREE(frame);
1364                 return -1;
1365
1366         }
1367
1368         TALLOC_FREE(frame);
1369         return 0;
1370
1371 }
1372
1373 /*
1374  * Routine to return the current directory position
1375  */
1376
1377 off_t
1378 SMBC_telldir_ctx(SMBCCTX *context,
1379                  SMBCFILE *dir)
1380 {
1381         TALLOC_CTX *frame = talloc_stackframe();
1382
1383         if (!context || !context->internal->initialized) {
1384
1385                 errno = EINVAL;
1386                 TALLOC_FREE(frame);
1387                 return -1;
1388
1389         }
1390
1391         if (!dir || !SMBC_dlist_contains(context->internal->files, dir)) {
1392
1393                 errno = EBADF;
1394                 TALLOC_FREE(frame);
1395                 return -1;
1396
1397         }
1398
1399         if (dir->file != False) { /* FIXME, should be dir, perhaps */
1400
1401                 errno = ENOTDIR;
1402                 TALLOC_FREE(frame);
1403                 return -1;
1404
1405         }
1406
1407         /* See if we're already at the end. */
1408         if (dir->dir_next == NULL) {
1409                 /* We are. */
1410                 TALLOC_FREE(frame);
1411                 return -1;
1412         }
1413
1414         /*
1415          * We return the pointer here as the offset
1416          */
1417         TALLOC_FREE(frame);
1418         return (off_t)(long)dir->dir_next->dirent;
1419 }
1420
1421 /*
1422  * A routine to run down the list and see if the entry is OK
1423  */
1424
1425 static struct smbc_dir_list *
1426 check_dir_ent(struct smbc_dir_list *list,
1427               struct smbc_dirent *dirent)
1428 {
1429
1430         /* Run down the list looking for what we want */
1431
1432         if (dirent) {
1433
1434                 struct smbc_dir_list *tmp = list;
1435
1436                 while (tmp) {
1437
1438                         if (tmp->dirent == dirent)
1439                                 return tmp;
1440
1441                         tmp = tmp->next;
1442
1443                 }
1444
1445         }
1446
1447         return NULL;  /* Not found, or an error */
1448
1449 }
1450
1451
1452 /*
1453  * Routine to seek on a directory
1454  */
1455
1456 int
1457 SMBC_lseekdir_ctx(SMBCCTX *context,
1458                   SMBCFILE *dir,
1459                   off_t offset)
1460 {
1461         long int l_offset = offset;  /* Handle problems of size */
1462         struct smbc_dirent *dirent = (struct smbc_dirent *)l_offset;
1463         struct smbc_dir_list *list_ent = (struct smbc_dir_list *)NULL;
1464         TALLOC_CTX *frame = talloc_stackframe();
1465
1466         if (!context || !context->internal->initialized) {
1467
1468                 errno = EINVAL;
1469                 TALLOC_FREE(frame);
1470                 return -1;
1471
1472         }
1473
1474         if (dir->file != False) { /* FIXME, should be dir, perhaps */
1475
1476                 errno = ENOTDIR;
1477                 TALLOC_FREE(frame);
1478                 return -1;
1479
1480         }
1481
1482         /* Now, check what we were passed and see if it is OK ... */
1483
1484         if (dirent == NULL) {  /* Seek to the begining of the list */
1485
1486                 dir->dir_next = dir->dir_list;
1487                 TALLOC_FREE(frame);
1488                 return 0;
1489
1490         }
1491
1492         if (offset == -1) {     /* Seek to the end of the list */
1493                 dir->dir_next = NULL;
1494                 TALLOC_FREE(frame);
1495                 return 0;
1496         }
1497
1498         /* Now, run down the list and make sure that the entry is OK       */
1499         /* This may need to be changed if we change the format of the list */
1500
1501         if ((list_ent = check_dir_ent(dir->dir_list, dirent)) == NULL) {
1502                 errno = EINVAL;   /* Bad entry */
1503                 TALLOC_FREE(frame);
1504                 return -1;
1505         }
1506
1507         dir->dir_next = list_ent;
1508
1509         TALLOC_FREE(frame);
1510         return 0;
1511 }
1512
1513 /*
1514  * Routine to fstat a dir
1515  */
1516
1517 int
1518 SMBC_fstatdir_ctx(SMBCCTX *context,
1519                   SMBCFILE *dir,
1520                   struct stat *st)
1521 {
1522
1523         if (!context || !context->internal->initialized) {
1524
1525                 errno = EINVAL;
1526                 return -1;
1527         }
1528
1529         /* No code yet ... */
1530         return 0;
1531 }
1532
1533 int
1534 SMBC_chmod_ctx(SMBCCTX *context,
1535                const char *fname,
1536                mode_t newmode)
1537 {
1538         SMBCSRV *srv = NULL;
1539         char *server = NULL;
1540         char *share = NULL;
1541         char *user = NULL;
1542         char *password = NULL;
1543         char *workgroup = NULL;
1544         char *targetpath = NULL;
1545         struct cli_state *targetcli = NULL;
1546         char *path = NULL;
1547         uint16 mode;
1548         TALLOC_CTX *frame = talloc_stackframe();
1549
1550         if (!context || !context->internal->initialized) {
1551
1552                 errno = EINVAL;  /* Best I can think of ... */
1553                 TALLOC_FREE(frame);
1554                 return -1;
1555         }
1556
1557         if (!fname) {
1558                 errno = EINVAL;
1559                 TALLOC_FREE(frame);
1560                 return -1;
1561         }
1562
1563         DEBUG(4, ("smbc_chmod(%s, 0%3o)\n", fname, (unsigned int)newmode));
1564
1565         if (SMBC_parse_path(frame,
1566                             context,
1567                             fname,
1568                             &workgroup,
1569                             &server,
1570                             &share,
1571                             &path,
1572                             &user,
1573                             &password,
1574                             NULL)) {
1575                 errno = EINVAL;
1576                 TALLOC_FREE(frame);
1577                 return -1;
1578         }
1579
1580         if (!user || user[0] == (char)0) {
1581                 user = talloc_strdup(frame, smbc_getUser(context));
1582                 if (!user) {
1583                         errno = ENOMEM;
1584                         TALLOC_FREE(frame);
1585                         return -1;
1586                 }
1587         }
1588
1589         srv = SMBC_server(frame, context, True,
1590                           server, share, &workgroup, &user, &password);
1591
1592         if (!srv) {
1593                 TALLOC_FREE(frame);
1594                 return -1;  /* errno set by SMBC_server */
1595         }
1596
1597         /*d_printf(">>>unlink: resolving %s\n", path);*/
1598         if (!cli_resolve_path(frame, "", context->internal->auth_info,
1599                                 srv->cli, path,
1600                                 &targetcli, &targetpath)) {
1601                 d_printf("Could not resolve %s\n", path);
1602                 errno = ENOENT;
1603                 TALLOC_FREE(frame);
1604                 return -1;
1605         }
1606
1607         mode = 0;
1608
1609         if (!(newmode & (S_IWUSR | S_IWGRP | S_IWOTH))) mode |= aRONLY;
1610         if ((newmode & S_IXUSR) && lp_map_archive(-1)) mode |= aARCH;
1611         if ((newmode & S_IXGRP) && lp_map_system(-1)) mode |= aSYSTEM;
1612         if ((newmode & S_IXOTH) && lp_map_hidden(-1)) mode |= aHIDDEN;
1613
1614         if (!NT_STATUS_IS_OK(cli_setatr(targetcli, targetpath, mode, 0))) {
1615                 errno = SMBC_errno(context, targetcli);
1616                 TALLOC_FREE(frame);
1617                 return -1;
1618         }
1619
1620         TALLOC_FREE(frame);
1621         return 0;
1622 }
1623
1624 int
1625 SMBC_utimes_ctx(SMBCCTX *context,
1626                 const char *fname,
1627                 struct timeval *tbuf)
1628 {
1629         SMBCSRV *srv = NULL;
1630         char *server = NULL;
1631         char *share = NULL;
1632         char *user = NULL;
1633         char *password = NULL;
1634         char *workgroup = NULL;
1635         char *path = NULL;
1636         time_t access_time;
1637         time_t write_time;
1638         TALLOC_CTX *frame = talloc_stackframe();
1639
1640         if (!context || !context->internal->initialized) {
1641
1642                 errno = EINVAL;  /* Best I can think of ... */
1643                 TALLOC_FREE(frame);
1644                 return -1;
1645         }
1646
1647         if (!fname) {
1648                 errno = EINVAL;
1649                 TALLOC_FREE(frame);
1650                 return -1;
1651         }
1652
1653         if (tbuf == NULL) {
1654                 access_time = write_time = time(NULL);
1655         } else {
1656                 access_time = tbuf[0].tv_sec;
1657                 write_time = tbuf[1].tv_sec;
1658         }
1659
1660         if (DEBUGLVL(4)) {
1661                 char *p;
1662                 char atimebuf[32];
1663                 char mtimebuf[32];
1664
1665                 strncpy(atimebuf, ctime(&access_time), sizeof(atimebuf) - 1);
1666                 atimebuf[sizeof(atimebuf) - 1] = '\0';
1667                 if ((p = strchr(atimebuf, '\n')) != NULL) {
1668                         *p = '\0';
1669                 }
1670
1671                 strncpy(mtimebuf, ctime(&write_time), sizeof(mtimebuf) - 1);
1672                 mtimebuf[sizeof(mtimebuf) - 1] = '\0';
1673                 if ((p = strchr(mtimebuf, '\n')) != NULL) {
1674                         *p = '\0';
1675                 }
1676
1677                 dbgtext("smbc_utimes(%s, atime = %s mtime = %s)\n",
1678                         fname, atimebuf, mtimebuf);
1679         }
1680
1681         if (SMBC_parse_path(frame,
1682                             context,
1683                             fname,
1684                             &workgroup,
1685                             &server,
1686                             &share,
1687                             &path,
1688                             &user,
1689                             &password,
1690                             NULL)) {
1691                 errno = EINVAL;
1692                 TALLOC_FREE(frame);
1693                 return -1;
1694         }
1695
1696         if (!user || user[0] == (char)0) {
1697                 user = talloc_strdup(frame, smbc_getUser(context));
1698                 if (!user) {
1699                         errno = ENOMEM;
1700                         TALLOC_FREE(frame);
1701                         return -1;
1702                 }
1703         }
1704
1705         srv = SMBC_server(frame, context, True,
1706                           server, share, &workgroup, &user, &password);
1707
1708         if (!srv) {
1709                 TALLOC_FREE(frame);
1710                 return -1;      /* errno set by SMBC_server */
1711         }
1712
1713         if (!SMBC_setatr(context, srv, path,
1714                          0, access_time, write_time, 0, 0)) {
1715                 TALLOC_FREE(frame);
1716                 return -1;      /* errno set by SMBC_setatr */
1717         }
1718
1719         TALLOC_FREE(frame);
1720         return 0;
1721 }
1722
1723 /*
1724  * Routine to unlink() a file
1725  */
1726
1727 int
1728 SMBC_unlink_ctx(SMBCCTX *context,
1729                 const char *fname)
1730 {
1731         char *server = NULL;
1732         char *share = NULL;
1733         char *user = NULL;
1734         char *password = NULL;
1735         char *workgroup = NULL;
1736         char *path = NULL;
1737         char *targetpath = NULL;
1738         struct cli_state *targetcli = NULL;
1739         SMBCSRV *srv = NULL;
1740         TALLOC_CTX *frame = talloc_stackframe();
1741
1742         if (!context || !context->internal->initialized) {
1743
1744                 errno = EINVAL;  /* Best I can think of ... */
1745                 TALLOC_FREE(frame);
1746                 return -1;
1747
1748         }
1749
1750         if (!fname) {
1751                 errno = EINVAL;
1752                 TALLOC_FREE(frame);
1753                 return -1;
1754
1755         }
1756
1757         if (SMBC_parse_path(frame,
1758                             context,
1759                             fname,
1760                             &workgroup,
1761                             &server,
1762                             &share,
1763                             &path,
1764                             &user,
1765                             &password,
1766                             NULL)) {
1767                 errno = EINVAL;
1768                 TALLOC_FREE(frame);
1769                 return -1;
1770         }
1771
1772         if (!user || user[0] == (char)0) {
1773                 user = talloc_strdup(frame, smbc_getUser(context));
1774                 if (!user) {
1775                         errno = ENOMEM;
1776                         TALLOC_FREE(frame);
1777                         return -1;
1778                 }
1779         }
1780
1781         srv = SMBC_server(frame, context, True,
1782                           server, share, &workgroup, &user, &password);
1783
1784         if (!srv) {
1785                 TALLOC_FREE(frame);
1786                 return -1;  /* SMBC_server sets errno */
1787
1788         }
1789
1790         /*d_printf(">>>unlink: resolving %s\n", path);*/
1791         if (!cli_resolve_path(frame, "", context->internal->auth_info,
1792                                 srv->cli, path,
1793                                 &targetcli, &targetpath)) {
1794                 d_printf("Could not resolve %s\n", path);
1795                 errno = ENOENT;
1796                 TALLOC_FREE(frame);
1797                 return -1;
1798         }
1799         /*d_printf(">>>unlink: resolved path as %s\n", targetpath);*/
1800
1801         if (!NT_STATUS_IS_OK(cli_unlink(targetcli, targetpath, aSYSTEM | aHIDDEN))) {
1802
1803                 errno = SMBC_errno(context, targetcli);
1804
1805                 if (errno == EACCES) { /* Check if the file is a directory */
1806
1807                         int saverr = errno;
1808                         SMB_OFF_T size = 0;
1809                         uint16 mode = 0;
1810                         struct timespec write_time_ts;
1811                         struct timespec access_time_ts;
1812                         struct timespec change_time_ts;
1813                         SMB_INO_T ino = 0;
1814
1815                         if (!SMBC_getatr(context, srv, path, &mode, &size,
1816                                          NULL,
1817                                          &access_time_ts,
1818                                          &write_time_ts,
1819                                          &change_time_ts,
1820                                          &ino)) {
1821
1822                                 /* Hmmm, bad error ... What? */
1823
1824                                 errno = SMBC_errno(context, targetcli);
1825                                 TALLOC_FREE(frame);
1826                                 return -1;
1827
1828                         }
1829                         else {
1830
1831                                 if (IS_DOS_DIR(mode))
1832                                         errno = EISDIR;
1833                                 else
1834                                         errno = saverr;  /* Restore this */
1835
1836                         }
1837                 }
1838
1839                 TALLOC_FREE(frame);
1840                 return -1;
1841
1842         }
1843
1844         TALLOC_FREE(frame);
1845         return 0;  /* Success ... */
1846
1847 }
1848
1849 /*
1850  * Routine to rename() a file
1851  */
1852
1853 int
1854 SMBC_rename_ctx(SMBCCTX *ocontext,
1855                 const char *oname,
1856                 SMBCCTX *ncontext,
1857                 const char *nname)
1858 {
1859         char *server1 = NULL;
1860         char *share1 = NULL;
1861         char *server2 = NULL;
1862         char *share2 = NULL;
1863         char *user1 = NULL;
1864         char *user2 = NULL;
1865         char *password1 = NULL;
1866         char *password2 = NULL;
1867         char *workgroup = NULL;
1868         char *path1 = NULL;
1869         char *path2 = NULL;
1870         char *targetpath1 = NULL;
1871         char *targetpath2 = NULL;
1872         struct cli_state *targetcli1 = NULL;
1873         struct cli_state *targetcli2 = NULL;
1874         SMBCSRV *srv = NULL;
1875         TALLOC_CTX *frame = talloc_stackframe();
1876
1877         if (!ocontext || !ncontext ||
1878             !ocontext->internal->initialized ||
1879             !ncontext->internal->initialized) {
1880
1881                 errno = EINVAL;  /* Best I can think of ... */
1882                 TALLOC_FREE(frame);
1883                 return -1;
1884         }
1885
1886         if (!oname || !nname) {
1887                 errno = EINVAL;
1888                 TALLOC_FREE(frame);
1889                 return -1;
1890         }
1891
1892         DEBUG(4, ("smbc_rename(%s,%s)\n", oname, nname));
1893
1894         if (SMBC_parse_path(frame,
1895                             ocontext,
1896                             oname,
1897                             &workgroup,
1898                             &server1,
1899                             &share1,
1900                             &path1,
1901                             &user1,
1902                             &password1,
1903                             NULL)) {
1904                 errno = EINVAL;
1905                 TALLOC_FREE(frame);
1906                 return -1;
1907         }
1908
1909         if (!user1 || user1[0] == (char)0) {
1910                 user1 = talloc_strdup(frame, smbc_getUser(ocontext));
1911                 if (!user1) {
1912                         errno = ENOMEM;
1913                         TALLOC_FREE(frame);
1914                         return -1;
1915                 }
1916         }
1917
1918         if (SMBC_parse_path(frame,
1919                             ncontext,
1920                             nname,
1921                             NULL,
1922                             &server2,
1923                             &share2,
1924                             &path2,
1925                             &user2,
1926                             &password2,
1927                             NULL)) {
1928                 errno = EINVAL;
1929                 TALLOC_FREE(frame);
1930                 return -1;
1931         }
1932
1933         if (!user2 || user2[0] == (char)0) {
1934                 user2 = talloc_strdup(frame, smbc_getUser(ncontext));
1935                 if (!user2) {
1936                         errno = ENOMEM;
1937                         TALLOC_FREE(frame);
1938                         return -1;
1939                 }
1940         }
1941
1942         if (strcmp(server1, server2) || strcmp(share1, share2) ||
1943             strcmp(user1, user2)) {
1944                 /* Can't rename across file systems, or users?? */
1945                 errno = EXDEV;
1946                 TALLOC_FREE(frame);
1947                 return -1;
1948         }
1949
1950         srv = SMBC_server(frame, ocontext, True,
1951                           server1, share1, &workgroup, &user1, &password1);
1952         if (!srv) {
1953                 TALLOC_FREE(frame);
1954                 return -1;
1955
1956         }
1957
1958         /* set the credentials to make DFS work */
1959         smbc_set_credentials_with_fallback(ocontext,
1960                                            workgroup,
1961                                            user1,
1962                                            password1);
1963
1964         /*d_printf(">>>rename: resolving %s\n", path1);*/
1965         if (!cli_resolve_path(frame, "", ocontext->internal->auth_info,
1966                                 srv->cli,
1967                                 path1,
1968                                 &targetcli1, &targetpath1)) {
1969                 d_printf("Could not resolve %s\n", path1);
1970                 errno = ENOENT;
1971                 TALLOC_FREE(frame);
1972                 return -1;
1973         }
1974
1975         /* set the credentials to make DFS work */
1976         smbc_set_credentials_with_fallback(ncontext,
1977                                            workgroup,
1978                                            user2,
1979                                            password2);
1980
1981         /*d_printf(">>>rename: resolved path as %s\n", targetpath1);*/
1982         /*d_printf(">>>rename: resolving %s\n", path2);*/
1983         if (!cli_resolve_path(frame, "", ncontext->internal->auth_info,
1984                                 srv->cli,
1985                                 path2,
1986                                 &targetcli2, &targetpath2)) {
1987                 d_printf("Could not resolve %s\n", path2);
1988                 errno = ENOENT;
1989                 TALLOC_FREE(frame);
1990                 return -1;
1991         }
1992         /*d_printf(">>>rename: resolved path as %s\n", targetpath2);*/
1993
1994         if (strcmp(targetcli1->desthost, targetcli2->desthost) ||
1995             strcmp(targetcli1->share, targetcli2->share))
1996         {
1997                 /* can't rename across file systems */
1998                 errno = EXDEV;
1999                 TALLOC_FREE(frame);
2000                 return -1;
2001         }
2002
2003         if (!NT_STATUS_IS_OK(cli_rename(targetcli1, targetpath1, targetpath2))) {
2004                 int eno = SMBC_errno(ocontext, targetcli1);
2005
2006                 if (eno != EEXIST ||
2007                     !NT_STATUS_IS_OK(cli_unlink(targetcli1, targetpath2, aSYSTEM | aHIDDEN)) ||
2008                     !NT_STATUS_IS_OK(cli_rename(targetcli1, targetpath1, targetpath2))) {
2009
2010                         errno = eno;
2011                         TALLOC_FREE(frame);
2012                         return -1;
2013
2014                 }
2015         }
2016
2017         TALLOC_FREE(frame);
2018         return 0; /* Success */
2019 }
2020