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 #include "libsmb/nmblib.h"
  32
  33 /*
  34  * Routine to open a directory
  35  * We accept the URL syntax explained in SMBC_parse_path(), above.
  36  */
  37
  38 static void
  39 remove_dir(SMBCFILE *dir)
  40 {
  41         struct smbc_dir_list *d,*f;
  42
  43         d = dir->dir_list;
  44         while (d) {
  45
  46                 f = d; d = d->next;
  47
  48                 SAFE_FREE(f->dirent);
  49                 SAFE_FREE(f);
  50
  51         }
  52
  53         dir->dir_list = dir->dir_end = dir->dir_next = NULL;
  54
  55 }
  56
  57 static int
  58 add_dirent(SMBCFILE *dir,
  59            const char *name,
  60            const char *comment,
  61            uint32 type)
  62 {
  63         struct smbc_dirent *dirent;
  64         int size;
  65         int name_length = (name == NULL ? 0 : strlen(name));
  66         int comment_len = (comment == NULL ? 0 : strlen(comment));
  67
  68         /*
  69          * Allocate space for the dirent, which must be increased by the
  70          * size of the name and the comment and 1 each for the null terminator.
  71          */
  72
  73         size = sizeof(struct smbc_dirent) + name_length + comment_len + 2;
  74
  75         dirent = (struct smbc_dirent *)SMB_MALLOC(size);
  76
  77         if (!dirent) {
  78
  79                 dir->dir_error = ENOMEM;
  80                 return -1;
  81
  82         }
  83
  84         ZERO_STRUCTP(dirent);
  85
  86         if (dir->dir_list == NULL) {
  87
  88                 dir->dir_list = SMB_MALLOC_P(struct smbc_dir_list);
  89                 if (!dir->dir_list) {
  90
  91                         SAFE_FREE(dirent);
  92                         dir->dir_error = ENOMEM;
  93                         return -1;
  94
  95                 }
  96                 ZERO_STRUCTP(dir->dir_list);
  97
  98                 dir->dir_end = dir->dir_next = dir->dir_list;
  99         }
 100         else {
 101
 102                 dir->dir_end->next = SMB_MALLOC_P(struct smbc_dir_list);
 103
 104                 if (!dir->dir_end->next) {
 105
 106                         SAFE_FREE(dirent);
 107                         dir->dir_error = ENOMEM;
 108                         return -1;
 109
 110                 }
 111                 ZERO_STRUCTP(dir->dir_end->next);
 112
 113                 dir->dir_end = dir->dir_end->next;
 114         }
 115
 116         dir->dir_end->next = NULL;
 117         dir->dir_end->dirent = dirent;
 118
 119         dirent->smbc_type = type;
 120         dirent->namelen = name_length;
 121         dirent->commentlen = comment_len;
 122         dirent->dirlen = size;
 123
 124         /*
 125          * dirent->namelen + 1 includes the null (no null termination needed)
 126          * Ditto for dirent->commentlen.
 127          * The space for the two null bytes was allocated.
 128          */
 129         strncpy(dirent->name, (name?name:""), dirent->namelen + 1);
 130         dirent->comment = (char *)(&dirent->name + dirent->namelen + 1);
 131         strncpy(dirent->comment, (comment?comment:""), dirent->commentlen + 1);
 132
 133         return 0;
 134
 135 }
 136
 137 static void
 138 list_unique_wg_fn(const char *name,
 139                   uint32 type,
 140                   const char *comment,
 141                   void *state)
 142 {
 143         SMBCFILE *dir = (SMBCFILE *)state;
 144         struct smbc_dir_list *dir_list;
 145         struct smbc_dirent *dirent;
 146         int dirent_type;
 147         int do_remove = 0;
 148
 149         dirent_type = dir->dir_type;
 150
 151         if (add_dirent(dir, name, comment, dirent_type) < 0) {
 152                 /* An error occurred, what do we do? */
 153                 /* FIXME: Add some code here */
 154                 /* Change cli_NetServerEnum to take a fn
 155                    returning NTSTATUS... JRA. */
 156         }
 157
 158         /* Point to the one just added */
 159         dirent = dir->dir_end->dirent;
 160
 161         /* See if this was a duplicate */
 162         for (dir_list = dir->dir_list;
 163              dir_list != dir->dir_end;
 164              dir_list = dir_list->next) {
 165                 if (! do_remove &&
 166                     strcmp(dir_list->dirent->name, dirent->name) == 0) {
 167                         /* Duplicate.  End end of list need to be removed. */
 168                         do_remove = 1;
 169                 }
 170
 171                 if (do_remove && dir_list->next == dir->dir_end) {
 172                         /* Found the end of the list.  Remove it. */
 173                         dir->dir_end = dir_list;
 174                         free(dir_list->next);
 175                         free(dirent);
 176                         dir_list->next = NULL;
 177                         break;
 178                 }
 179         }
 180 }
 181
 182 static void
 183 list_fn(const char *name,
 184         uint32 type,
 185         const char *comment,
 186         void *state)
 187 {
 188         SMBCFILE *dir = (SMBCFILE *)state;
 189         int dirent_type;
 190
 191         /*
 192          * We need to process the type a little ...
 193          *
 194          * Disk share     = 0x00000000
 195          * Print share    = 0x00000001
 196          * Comms share    = 0x00000002 (obsolete?)
 197          * IPC$ share     = 0x00000003
 198          *
 199          * administrative shares:
 200          * ADMIN$, IPC$, C$, D$, E$ ...  are type |= 0x80000000
 201          */
 202
 203         if (dir->dir_type == SMBC_FILE_SHARE) {
 204                 switch (type) {
 205                 case 0 | 0x80000000:
 206                 case 0:
 207                         dirent_type = SMBC_FILE_SHARE;
 208                         break;
 209
 210                 case 1:
 211                         dirent_type = SMBC_PRINTER_SHARE;
 212                         break;
 213
 214                 case 2:
 215                         dirent_type = SMBC_COMMS_SHARE;
 216                         break;
 217
 218                 case 3 | 0x80000000:
 219                 case 3:
 220                         dirent_type = SMBC_IPC_SHARE;
 221                         break;
 222
 223                 default:
 224                         dirent_type = SMBC_FILE_SHARE; /* FIXME, error? */
 225                         break;
 226                 }
 227         }
 228         else {
 229                 dirent_type = dir->dir_type;
 230         }
 231
 232         if (add_dirent(dir, name, comment, dirent_type) < 0) {
 233                 /* An error occurred, what do we do? */
 234                 /* FIXME: Add some code here */
 235                 /* Change cli_NetServerEnum to take a fn
 236                    returning NTSTATUS... JRA. */
 237         }
 238 }
 239
 240 static NTSTATUS
 241 dir_list_fn(const char *mnt,
 242             struct file_info *finfo,
 243             const char *mask,
 244             void *state)
 245 {
 246
 247         if (add_dirent((SMBCFILE *)state, finfo->name, "",
 248                        (finfo->mode&FILE_ATTRIBUTE_DIRECTORY?SMBC_DIR:SMBC_FILE)) < 0) {
 249                 SMBCFILE *dir = (SMBCFILE *)state;
 250                 return map_nt_error_from_unix(dir->dir_error);
 251         }
 252         return NT_STATUS_OK;
 253 }
 254
 255 static int
 256 net_share_enum_rpc(struct cli_state *cli,
 257                    void (*fn)(const char *name,
 258                               uint32 type,
 259                               const char *comment,
 260                               void *state),
 261                    void *state)
 262 {
 263         int i;
 264         WERROR result;
 265         uint32 preferred_len = 0xffffffff;
 266         uint32 type;
 267         struct srvsvc_NetShareInfoCtr info_ctr;
 268         struct srvsvc_NetShareCtr1 ctr1;
 269         fstring name = "";
 270         fstring comment = "";
 271         struct rpc_pipe_client *pipe_hnd = NULL;
 272         NTSTATUS nt_status;
 273         uint32_t resume_handle = 0;
 274         uint32_t total_entries = 0;
 275         struct dcerpc_binding_handle *b;
 276
 277         /* Open the server service pipe */
 278         nt_status = cli_rpc_pipe_open_noauth(cli, &ndr_table_srvsvc.syntax_id,
 279                                              &pipe_hnd);
 280         if (!NT_STATUS_IS_OK(nt_status)) {
 281                 DEBUG(1, ("net_share_enum_rpc pipe open fail!\n"));
 282                 return -1;
 283         }
 284
 285         ZERO_STRUCT(info_ctr);
 286         ZERO_STRUCT(ctr1);
 287
 288         info_ctr.level = 1;
 289         info_ctr.ctr.ctr1 = &ctr1;
 290
 291         b = pipe_hnd->binding_handle;
 292
 293         /* Issue the NetShareEnum RPC call and retrieve the response */
 294         nt_status = dcerpc_srvsvc_NetShareEnumAll(b, talloc_tos(),
 295                                                   pipe_hnd->desthost,
 296                                                   &info_ctr,
 297                                                   preferred_len,
 298                                                   &total_entries,
 299                                                   &resume_handle,
 300                                                   &result);
 301
 302         /* Was it successful? */
 303         if (!NT_STATUS_IS_OK(nt_status)) {
 304                 /*  Nope.  Go clean up. */
 305                 result = ntstatus_to_werror(nt_status);
 306                 goto done;
 307         }
 308
 309         if (!W_ERROR_IS_OK(result)) {
 310                 /*  Nope.  Go clean up. */
 311                 goto done;
 312         }
 313
 314         if (total_entries == 0) {
 315                 /*  Nope.  Go clean up. */
 316                 result = WERR_GENERAL_FAILURE;
 317                 goto done;
 318         }
 319
 320         /* For each returned entry... */
 321         for (i = 0; i < info_ctr.ctr.ctr1->count; i++) {
 322
 323                 /* pull out the share name */
 324                 fstrcpy(name, info_ctr.ctr.ctr1->array[i].name);
 325
 326                 /* pull out the share's comment */
 327                 fstrcpy(comment, info_ctr.ctr.ctr1->array[i].comment);
 328
 329                 /* Get the type value */
 330                 type = info_ctr.ctr.ctr1->array[i].type;
 331
 332                 /* Add this share to the list */
 333                 (*fn)(name, type, comment, state);
 334         }
 335
 336 done:
 337         /* Close the server service pipe */
 338         TALLOC_FREE(pipe_hnd);
 339
 340         /* Tell 'em if it worked */
 341         return W_ERROR_IS_OK(result) ? 0 : -1;
 342 }
 343
 344
 345 /*
 346  * Verify that the options specified in a URL are valid
 347  */
 348 int
 349 SMBC_check_options(char *server,
 350                    char *share,
 351                    char *path,
 352                    char *options)
 353 {
 354         DEBUG(4, ("SMBC_check_options(): server='%s' share='%s' "
 355                   "path='%s' options='%s'\n",
 356                   server, share, path, options));
 357
 358         /* No options at all is always ok */
 359         if (! *options) return 0;
 360
 361         /* Currently, we don't support any options. */
 362         return -1;
 363 }
 364
 365
 366 SMBCFILE *
 367 SMBC_opendir_ctx(SMBCCTX *context,
 368                  const char *fname)
 369 {
 370         int saved_errno;
 371         char *server = NULL;
 372         char *share = NULL;
 373         char *user = NULL;
 374         char *password = NULL;
 375         char *options = NULL;
 376         char *workgroup = NULL;
 377         char *path = NULL;
 378         uint16 mode;
 379         char *p = NULL;
 380         SMBCSRV *srv  = NULL;
 381         SMBCFILE *dir = NULL;
 382         struct sockaddr_storage rem_ss;
 383         TALLOC_CTX *frame = talloc_stackframe();
 384
 385         if (!context || !context->internal->initialized) {
 386                 DEBUG(4, ("no valid context\n"));
 387                 TALLOC_FREE(frame);
 388                 errno = EINVAL + 8192;
 389                 return NULL;
 390
 391         }
 392
 393         if (!fname) {
 394                 DEBUG(4, ("no valid fname\n"));
 395                 TALLOC_FREE(frame);
 396                 errno = EINVAL + 8193;
 397                 return NULL;
 398         }
 399
 400         if (SMBC_parse_path(frame,
 401                             context,
 402                             fname,
 403                             &workgroup,
 404                             &server,
 405                             &share,
 406                             &path,
 407                             &user,
 408                             &password,
 409                             &options)) {
 410                 DEBUG(4, ("no valid path\n"));
 411                 TALLOC_FREE(frame);
 412                 errno = EINVAL + 8194;
 413                 return NULL;
 414         }
 415
 416         DEBUG(4, ("parsed path: fname='%s' server='%s' share='%s' "
 417                   "path='%s' options='%s'\n",
 418                   fname, server, share, path, options));
 419
 420         /* Ensure the options are valid */
 421         if (SMBC_check_options(server, share, path, options)) {
 422                 DEBUG(4, ("unacceptable options (%s)\n", options));
 423                 TALLOC_FREE(frame);
 424                 errno = EINVAL + 8195;
 425                 return NULL;
 426         }
 427
 428         if (!user || user[0] == (char)0) {
 429                 user = talloc_strdup(frame, smbc_getUser(context));
 430                 if (!user) {
 431                         TALLOC_FREE(frame);
 432                         errno = ENOMEM;
 433                         return NULL;
 434                 }
 435         }
 436
 437         dir = SMB_MALLOC_P(SMBCFILE);
 438
 439         if (!dir) {
 440                 TALLOC_FREE(frame);
 441                 errno = ENOMEM;
 442                 return NULL;
 443         }
 444
 445         ZERO_STRUCTP(dir);
 446
 447         dir->cli_fd   = 0;
 448         dir->fname    = SMB_STRDUP(fname);
 449         dir->srv      = NULL;
 450         dir->offset   = 0;
 451         dir->file     = False;
 452         dir->dir_list = dir->dir_next = dir->dir_end = NULL;
 453
 454         if (server[0] == (char)0) {
 455
 456                 int i;
 457                 int count;
 458                 int max_lmb_count;
 459                 struct ip_service *ip_list;
 460                 struct ip_service server_addr;
 461                 struct user_auth_info u_info;
 462
 463                 if (share[0] != (char)0 || path[0] != (char)0) {
 464
 465                         if (dir) {
 466                                 SAFE_FREE(dir->fname);
 467                                 SAFE_FREE(dir);
 468                         }
 469                         TALLOC_FREE(frame);
 470                         errno = EINVAL + 8196;
 471                         return NULL;
 472                 }
 473
 474                 /* Determine how many local master browsers to query */
 475                 max_lmb_count = (smbc_getOptionBrowseMaxLmbCount(context) == 0
 476                                  ? INT_MAX
 477                                  : smbc_getOptionBrowseMaxLmbCount(context));
 478
 479                 memset(&u_info, '\0', sizeof(u_info));
 480                 u_info.username = talloc_strdup(frame,user);
 481                 u_info.password = talloc_strdup(frame,password);
 482                 if (!u_info.username || !u_info.password) {
 483                         if (dir) {
 484                                 SAFE_FREE(dir->fname);
 485                                 SAFE_FREE(dir);
 486                         }
 487                         TALLOC_FREE(frame);
 488                         return NULL;
 489                 }
 490
 491                 /*
 492                  * We have server and share and path empty but options
 493                  * requesting that we scan all master browsers for their list
 494                  * of workgroups/domains.  This implies that we must first try
 495                  * broadcast queries to find all master browsers, and if that
 496                  * doesn't work, then try our other methods which return only
 497                  * a single master browser.
 498                  */
 499
 500                 ip_list = NULL;
 501                 if (!NT_STATUS_IS_OK(name_resolve_bcast(MSBROWSE, 1, &ip_list,
 502                                                         &count)))
 503                 {
 504
 505                         SAFE_FREE(ip_list);
 506
 507                         if (!find_master_ip(workgroup, &server_addr.ss)) {
 508
 509                                 if (dir) {
 510                                         SAFE_FREE(dir->fname);
 511                                         SAFE_FREE(dir);
 512                                 }
 513                                 TALLOC_FREE(frame);
 514                                 errno = ENOENT;
 515                                 return NULL;
 516                         }
 517
 518                         ip_list = (struct ip_service *)memdup(
 519                                 &server_addr, sizeof(server_addr));
 520                         if (ip_list == NULL) {
 521                                 if (dir) {
 522                                         SAFE_FREE(dir->fname);
 523                                         SAFE_FREE(dir);
 524                                 }
 525                                 TALLOC_FREE(frame);
 526                                 errno = ENOMEM;
 527                                 return NULL;
 528                         }
 529                         count = 1;
 530                 }
 531
 532                 for (i = 0; i < count && i < max_lmb_count; i++) {
 533                         char addr[INET6_ADDRSTRLEN];
 534                         char *wg_ptr = NULL;
 535                         struct cli_state *cli = NULL;
 536
 537                         print_sockaddr(addr, sizeof(addr), &ip_list[i].ss);
 538                         DEBUG(99, ("Found master browser %d of %d: %s\n",
 539                                    i+1, MAX(count, max_lmb_count),
 540                                    addr));
 541
 542                         cli = get_ipc_connect_master_ip(talloc_tos(),
 543                                                         &ip_list[i].ss,
 544                                                         &u_info,
 545                                                         &wg_ptr);
 546                         /* cli == NULL is the master browser refused to talk or
 547                            could not be found */
 548                         if (!cli) {
 549                                 continue;
 550                         }
 551
 552                         workgroup = talloc_strdup(frame, wg_ptr);
 553                         server = talloc_strdup(frame, cli->desthost);
 554
 555                         cli_shutdown(cli);
 556
 557                         if (!workgroup || !server) {
 558                                 if (dir) {
 559                                         SAFE_FREE(dir->fname);
 560                                         SAFE_FREE(dir);
 561                                 }
 562                                 TALLOC_FREE(frame);
 563                                 errno = ENOMEM;
 564                                 return NULL;
 565                         }
 566
 567                         DEBUG(4, ("using workgroup %s %s\n",
 568                                   workgroup, server));
 569
 570                         /*
 571                          * For each returned master browser IP address, get a
 572                          * connection to IPC$ on the server if we do not
 573                          * already have one, and determine the
 574                          * workgroups/domains that it knows about.
 575                          */
 576
 577                         srv = SMBC_server(frame, context, True, server, "IPC$",
 578                                           &workgroup, &user, &password);
 579                         if (!srv) {
 580                                 continue;
 581                         }
 582
 583                         dir->srv = srv;
 584                         dir->dir_type = SMBC_WORKGROUP;
 585
 586                         /* Now, list the stuff ... */
 587
 588                         if (!cli_NetServerEnum(srv->cli,
 589                                                workgroup,
 590                                                SV_TYPE_DOMAIN_ENUM,
 591                                                list_unique_wg_fn,
 592                                                (void *)dir)) {
 593                                 continue;
 594                         }
 595                 }
 596
 597                 SAFE_FREE(ip_list);
 598         } else {
 599                 /*
 600                  * Server not an empty string ... Check the rest and see what
 601                  * gives
 602                  */
 603                 if (*share == '\0') {
 604                         if (*path != '\0') {
 605
 606                                 /* Should not have empty share with path */
 607                                 if (dir) {
 608                                         SAFE_FREE(dir->fname);
 609                                         SAFE_FREE(dir);
 610                                 }
 611                                 TALLOC_FREE(frame);
 612                                 errno = EINVAL + 8197;
 613                                 return NULL;
 614
 615                         }
 616
 617                         /*
 618                          * We don't know if <server> is really a server name
 619                          * or is a workgroup/domain name.  If we already have
 620                          * a server structure for it, we'll use it.
 621                          * Otherwise, check to see if <server><1D>,
 622                          * <server><1B>, or <server><20> translates.  We check
 623                          * to see if <server> is an IP address first.
 624                          */
 625
 626                         /*
 627                          * See if we have an existing server.  Do not
 628                          * establish a connection if one does not already
 629                          * exist.
 630                          */
 631                         srv = SMBC_server(frame, context, False,
 632                                           server, "IPC$",
 633                                           &workgroup, &user, &password);
 634
 635                         /*
 636                          * If no existing server and not an IP addr, look for
 637                          * LMB or DMB
 638                          */
 639                         if (!srv &&
 640                             !is_ipaddress(server) &&
 641                             (resolve_name(server, &rem_ss, 0x1d, false) ||   /* LMB */
 642                              resolve_name(server, &rem_ss, 0x1b, false) )) { /* DMB */
 643                                 /*
 644                                  * "server" is actually a workgroup name,
 645                                  * not a server. Make this clear.
 646                                  */
 647                                 char *wgroup = server;
 648                                 fstring buserver;
 649
 650                                 dir->dir_type = SMBC_SERVER;
 651
 652                                 /*
 653                                  * Get the backup list ...
 654                                  */
 655                                 if (!name_status_find(wgroup, 0, 0,
 656                                                       &rem_ss, buserver)) {
 657                                         char addr[INET6_ADDRSTRLEN];
 658
 659                                         print_sockaddr(addr, sizeof(addr), &rem_ss);
 660                                         DEBUG(0,("Could not get name of "
 661                                                 "local/domain master browser "
 662                                                 "for workgroup %s from "
 663                                                 "address %s\n",
 664                                                 wgroup,
 665                                                 addr));
 666                                         if (dir) {
 667                                                 SAFE_FREE(dir->fname);
 668                                                 SAFE_FREE(dir);
 669                                         }
 670                                         TALLOC_FREE(frame);
 671                                         errno = EPERM;
 672                                         return NULL;
 673
 674                                 }
 675
 676                                 /*
 677                                  * Get a connection to IPC$ on the server if
 678                                  * we do not already have one
 679                                  */
 680                                 srv = SMBC_server(frame, context, True,
 681                                                   buserver, "IPC$",
 682                                                   &workgroup,
 683                                                   &user, &password);
 684                                 if (!srv) {
 685                                         DEBUG(0, ("got no contact to IPC$\n"));
 686                                         if (dir) {
 687                                                 SAFE_FREE(dir->fname);
 688                                                 SAFE_FREE(dir);
 689                                         }
 690                                         TALLOC_FREE(frame);
 691                                         return NULL;
 692
 693                                 }
 694
 695                                 dir->srv = srv;
 696
 697                                 /* Now, list the servers ... */
 698                                 if (!cli_NetServerEnum(srv->cli, wgroup,
 699                                                        0x0000FFFE, list_fn,
 700                                                        (void *)dir)) {
 701
 702                                         if (dir) {
 703                                                 SAFE_FREE(dir->fname);
 704                                                 SAFE_FREE(dir);
 705                                         }
 706                                         TALLOC_FREE(frame);
 707                                         return NULL;
 708                                 }
 709                         } else if (srv ||
 710                                    (resolve_name(server, &rem_ss, 0x20, false))) {
 711
 712                                 /*
 713                                  * If we hadn't found the server, get one now
 714                                  */
 715                                 if (!srv) {
 716                                         srv = SMBC_server(frame, context, True,
 717                                                           server, "IPC$",
 718                                                           &workgroup,
 719                                                           &user, &password);
 720                                 }
 721
 722                                 if (!srv) {
 723                                         if (dir) {
 724                                                 SAFE_FREE(dir->fname);
 725                                                 SAFE_FREE(dir);
 726                                         }
 727                                         TALLOC_FREE(frame);
 728                                         return NULL;
 729
 730                                 }
 731
 732                                 dir->dir_type = SMBC_FILE_SHARE;
 733                                 dir->srv = srv;
 734
 735                                 /* List the shares ... */
 736
 737                                 if (net_share_enum_rpc(
 738                                             srv->cli,
 739                                             list_fn,
 740                                             (void *) dir) < 0 &&
 741                                     cli_RNetShareEnum(
 742                                             srv->cli,
 743                                             list_fn,
 744                                             (void *)dir) < 0) {
 745
 746                                         errno = cli_errno(srv->cli);
 747                                         if (dir) {
 748                                                 SAFE_FREE(dir->fname);
 749                                                 SAFE_FREE(dir);
 750                                         }
 751                                         TALLOC_FREE(frame);
 752                                         return NULL;
 753
 754                                 }
 755                         } else {
 756                                 /* Neither the workgroup nor server exists */
 757                                 errno = ECONNREFUSED;
 758                                 if (dir) {
 759                                         SAFE_FREE(dir->fname);
 760                                         SAFE_FREE(dir);
 761                                 }
 762                                 TALLOC_FREE(frame);
 763                                 return NULL;
 764                         }
 765
 766                 }
 767                 else {
 768                         /*
 769                          * The server and share are specified ... work from
 770                          * there ...
 771                          */
 772                         char *targetpath;
 773                         struct cli_state *targetcli;
 774                         NTSTATUS status;
 775
 776                         /* We connect to the server and list the directory */
 777                         dir->dir_type = SMBC_FILE_SHARE;
 778
 779                         srv = SMBC_server(frame, context, True, server, share,
 780                                           &workgroup, &user, &password);
 781
 782                         if (!srv) {
 783                                 if (dir) {
 784                                         SAFE_FREE(dir->fname);
 785                                         SAFE_FREE(dir);
 786                                 }
 787                                 TALLOC_FREE(frame);
 788                                 return NULL;
 789                         }
 790
 791                         dir->srv = srv;
 792
 793                         /* Now, list the files ... */
 794
 795                         p = path + strlen(path);
 796                         path = talloc_asprintf_append(path, "\\*");
 797                         if (!path) {
 798                                 if (dir) {
 799                                         SAFE_FREE(dir->fname);
 800                                         SAFE_FREE(dir);
 801                                 }
 802                                 TALLOC_FREE(frame);
 803                                 return NULL;
 804                         }
 805
 806                         if (!cli_resolve_path(frame, "", context->internal->auth_info,
 807                                                 srv->cli, path,
 808                                                 &targetcli, &targetpath)) {
 809                                 d_printf("Could not resolve %s\n", path);
 810                                 if (dir) {
 811                                         SAFE_FREE(dir->fname);
 812                                         SAFE_FREE(dir);
 813                                 }
 814                                 TALLOC_FREE(frame);
 815                                 return NULL;
 816                         }
 817
 818                         status = cli_list(targetcli, targetpath,
 819                                           FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_SYSTEM | FILE_ATTRIBUTE_HIDDEN,
 820                                           dir_list_fn, (void *)dir);
 821                         if (!NT_STATUS_IS_OK(status)) {
 822                                 if (dir) {
 823                                         SAFE_FREE(dir->fname);
 824                                         SAFE_FREE(dir);
 825                                 }
 826                                 saved_errno = SMBC_errno(context, targetcli);
 827
 828                                 if (saved_errno == EINVAL) {
 829                                         /*
 830                                          * See if they asked to opendir
 831                                          * something other than a directory.
 832                                          * If so, the converted error value we
 833                                          * got would have been EINVAL rather
 834                                          * than ENOTDIR.
 835                                          */
 836                                         *p = '\0'; /* restore original path */
 837
 838                                         if (SMBC_getatr(context, srv, path,
 839                                                         &mode, NULL,
 840                                                         NULL, NULL, NULL, NULL,
 841                                                         NULL) &&
 842                                             ! IS_DOS_DIR(mode)) {
 843
 844                                                 /* It is.  Correct the error value */
 845                                                 saved_errno = ENOTDIR;
 846                                         }
 847                                 }
 848
 849                                 /*
 850                                  * If there was an error and the server is no
 851                                  * good any more...
 852                                  */
 853                                 if (cli_is_error(targetcli) &&
 854                                     smbc_getFunctionCheckServer(context)(context, srv)) {
 855
 856                                         /* ... then remove it. */
 857                                         if (smbc_getFunctionRemoveUnusedServer(context)(context,
 858                                                                                         srv)) {
 859                                                 /*
 860                                                  * We could not remove the
 861                                                  * server completely, remove
 862                                                  * it from the cache so we
 863                                                  * will not get it again. It
 864                                                  * will be removed when the
 865                                                  * last file/dir is closed.
 866                                                  */
 867                                                 smbc_getFunctionRemoveCachedServer(context)(context, srv);
 868                                         }
 869                                 }
 870
 871                                 TALLOC_FREE(frame);
 872                                 errno = saved_errno;
 873                                 return NULL;
 874                         }
 875                 }
 876
 877         }
 878
 879         DLIST_ADD(context->internal->files, dir);
 880         TALLOC_FREE(frame);
 881         return dir;
 882
 883 }
 884
 885 /*
 886  * Routine to close a directory
 887  */
 888
 889 int
 890 SMBC_closedir_ctx(SMBCCTX *context,
 891                   SMBCFILE *dir)
 892 {
 893         TALLOC_CTX *frame = talloc_stackframe();
 894
 895         if (!context || !context->internal->initialized) {
 896                 errno = EINVAL;
 897                 TALLOC_FREE(frame);
 898                 return -1;
 899         }
 900
 901         if (!dir || !SMBC_dlist_contains(context->internal->files, dir)) {
 902                 errno = EBADF;
 903                 TALLOC_FREE(frame);
 904                 return -1;
 905         }
 906
 907         remove_dir(dir); /* Clean it up */
 908
 909         DLIST_REMOVE(context->internal->files, dir);
 910
 911         if (dir) {
 912
 913                 SAFE_FREE(dir->fname);
 914                 SAFE_FREE(dir);    /* Free the space too */
 915         }
 916
 917         TALLOC_FREE(frame);
 918         return 0;
 919
 920 }
 921
 922 static void
 923 smbc_readdir_internal(SMBCCTX * context,
 924                       struct smbc_dirent *dest,
 925                       struct smbc_dirent *src,
 926                       int max_namebuf_len)
 927 {
 928         if (smbc_getOptionUrlEncodeReaddirEntries(context)) {
 929
 930                 /* url-encode the name.  get back remaining buffer space */
 931                 max_namebuf_len =
 932                         smbc_urlencode(dest->name, src->name, max_namebuf_len);
 933
 934                 /* We now know the name length */
 935                 dest->namelen = strlen(dest->name);
 936
 937                 /* Save the pointer to the beginning of the comment */
 938                 dest->comment = dest->name + dest->namelen + 1;
 939
 940                 /* Copy the comment */
 941                 strncpy(dest->comment, src->comment, max_namebuf_len - 1);
 942                 dest->comment[max_namebuf_len - 1] = '\0';
 943
 944                 /* Save other fields */
 945                 dest->smbc_type = src->smbc_type;
 946                 dest->commentlen = strlen(dest->comment);
 947                 dest->dirlen = ((dest->comment + dest->commentlen + 1) -
 948                                 (char *) dest);
 949         } else {
 950
 951                 /* No encoding.  Just copy the entry as is. */
 952                 memcpy(dest, src, src->dirlen);
 953                 dest->comment = (char *)(&dest->name + src->namelen + 1);
 954         }
 955
 956 }
 957
 958 /*
 959  * Routine to get a directory entry
 960  */
 961
 962 struct smbc_dirent *
 963 SMBC_readdir_ctx(SMBCCTX *context,
 964                  SMBCFILE *dir)
 965 {
 966         int maxlen;
 967         struct smbc_dirent *dirp, *dirent;
 968         TALLOC_CTX *frame = talloc_stackframe();
 969
 970         /* Check that all is ok first ... */
 971
 972         if (!context || !context->internal->initialized) {
 973
 974                 errno = EINVAL;
 975                 DEBUG(0, ("Invalid context in SMBC_readdir_ctx()\n"));
 976                 TALLOC_FREE(frame);
 977                 return NULL;
 978
 979         }
 980
 981         if (!dir || !SMBC_dlist_contains(context->internal->files, dir)) {
 982
 983                 errno = EBADF;
 984                 DEBUG(0, ("Invalid dir in SMBC_readdir_ctx()\n"));
 985                 TALLOC_FREE(frame);
 986                 return NULL;
 987
 988         }
 989
 990         if (dir->file != False) { /* FIXME, should be dir, perhaps */
 991
 992                 errno = ENOTDIR;
 993                 DEBUG(0, ("Found file vs directory in SMBC_readdir_ctx()\n"));
 994                 TALLOC_FREE(frame);
 995                 return NULL;
 996
 997         }
 998
 999         if (!dir->dir_next) {
1000                 TALLOC_FREE(frame);
1001                 return NULL;
1002         }
1003
1004         dirent = dir->dir_next->dirent;
1005         if (!dirent) {
1006
1007                 errno = ENOENT;
1008                 TALLOC_FREE(frame);
1009                 return NULL;
1010
1011         }
1012
1013         dirp = &context->internal->dirent;
1014         maxlen = sizeof(context->internal->_dirent_name);
1015
1016         smbc_readdir_internal(context, dirp, dirent, maxlen);
1017
1018         dir->dir_next = dir->dir_next->next;
1019
1020         TALLOC_FREE(frame);
1021         return dirp;
1022 }
1023
1024 /*
1025  * Routine to get directory entries
1026  */
1027
1028 int
1029 SMBC_getdents_ctx(SMBCCTX *context,
1030                   SMBCFILE *dir,
1031                   struct smbc_dirent *dirp,
1032                   int count)
1033 {
1034         int rem = count;
1035         int reqd;
1036         int maxlen;
1037         char *ndir = (char *)dirp;
1038         struct smbc_dir_list *dirlist;
1039         TALLOC_CTX *frame = talloc_stackframe();
1040
1041         /* Check that all is ok first ... */
1042
1043         if (!context || !context->internal->initialized) {
1044
1045                 errno = EINVAL;
1046                 TALLOC_FREE(frame);
1047                 return -1;
1048
1049         }
1050
1051         if (!dir || !SMBC_dlist_contains(context->internal->files, dir)) {
1052
1053                 errno = EBADF;
1054                 TALLOC_FREE(frame);
1055                 return -1;
1056
1057         }
1058
1059         if (dir->file != False) { /* FIXME, should be dir, perhaps */
1060
1061                 errno = ENOTDIR;
1062                 TALLOC_FREE(frame);
1063                 return -1;
1064
1065         }
1066
1067         /*
1068          * Now, retrieve the number of entries that will fit in what was passed
1069          * We have to figure out if the info is in the list, or we need to
1070          * send a request to the server to get the info.
1071          */
1072
1073         while ((dirlist = dir->dir_next)) {
1074                 struct smbc_dirent *dirent;
1075                 struct smbc_dirent *currentEntry = (struct smbc_dirent *)ndir;
1076
1077                 if (!dirlist->dirent) {
1078
1079                         errno = ENOENT;  /* Bad error */
1080                         TALLOC_FREE(frame);
1081                         return -1;
1082
1083                 }
1084
1085                 /* Do urlencoding of next entry, if so selected */
1086                 dirent = &context->internal->dirent;
1087                 maxlen = sizeof(context->internal->_dirent_name);
1088                 smbc_readdir_internal(context, dirent,
1089                                       dirlist->dirent, maxlen);
1090
1091                 reqd = dirent->dirlen;
1092
1093                 if (rem < reqd) {
1094
1095                         if (rem < count) { /* We managed to copy something */
1096
1097                                 errno = 0;
1098                                 TALLOC_FREE(frame);
1099                                 return count - rem;
1100
1101                         }
1102                         else { /* Nothing copied ... */
1103
1104                                 errno = EINVAL;  /* Not enough space ... */
1105                                 TALLOC_FREE(frame);
1106                                 return -1;
1107
1108                         }
1109
1110                 }
1111
1112                 memcpy(currentEntry, dirent, reqd); /* Copy the data in ... */
1113
1114                 currentEntry->comment = &currentEntry->name[0] +
1115                                                 dirent->namelen + 1;
1116
1117                 ndir += reqd;
1118                 rem -= reqd;
1119
1120                 /* Try and align the struct for the next entry
1121                    on a valid pointer boundary by appending zeros */
1122                 while((rem > 0) && ((unsigned long long)ndir & (sizeof(void*) - 1))) {
1123                         *ndir = '\0';
1124                         rem--;
1125                         ndir++;
1126                         currentEntry->dirlen++;
1127                 }
1128
1129                 dir->dir_next = dirlist = dirlist -> next;
1130         }
1131
1132         TALLOC_FREE(frame);
1133
1134         if (rem == count)
1135                 return 0;
1136         else
1137                 return count - rem;
1138
1139 }
1140
1141 /*
1142  * Routine to create a directory ...
1143  */
1144
1145 int
1146 SMBC_mkdir_ctx(SMBCCTX *context,
1147                const char *fname,
1148                mode_t mode)
1149 {
1150         SMBCSRV *srv = NULL;
1151         char *server = NULL;
1152         char *share = NULL;
1153         char *user = NULL;
1154         char *password = NULL;
1155         char *workgroup = NULL;
1156         char *path = NULL;
1157         char *targetpath = NULL;
1158         struct cli_state *targetcli = NULL;
1159         TALLOC_CTX *frame = talloc_stackframe();
1160
1161         if (!context || !context->internal->initialized) {
1162                 errno = EINVAL;
1163                 TALLOC_FREE(frame);
1164                 return -1;
1165         }
1166
1167         if (!fname) {
1168                 errno = EINVAL;
1169                 TALLOC_FREE(frame);
1170                 return -1;
1171         }
1172
1173         DEBUG(4, ("smbc_mkdir(%s)\n", fname));
1174
1175         if (SMBC_parse_path(frame,
1176                             context,
1177                             fname,
1178                             &workgroup,
1179                             &server,
1180                             &share,
1181                             &path,
1182                             &user,
1183                             &password,
1184                             NULL)) {
1185                 errno = EINVAL;
1186                 TALLOC_FREE(frame);
1187                 return -1;
1188         }
1189
1190         if (!user || user[0] == (char)0) {
1191                 user = talloc_strdup(frame, smbc_getUser(context));
1192                 if (!user) {
1193                         errno = ENOMEM;
1194                         TALLOC_FREE(frame);
1195                         return -1;
1196                 }
1197         }
1198
1199         srv = SMBC_server(frame, context, True,
1200                           server, share, &workgroup, &user, &password);
1201
1202         if (!srv) {
1203
1204                 TALLOC_FREE(frame);
1205                 return -1;  /* errno set by SMBC_server */
1206
1207         }
1208
1209         /*d_printf(">>>mkdir: resolving %s\n", path);*/
1210         if (!cli_resolve_path(frame, "", context->internal->auth_info,
1211                                 srv->cli, path,
1212                                 &targetcli, &targetpath)) {
1213                 d_printf("Could not resolve %s\n", path);
1214                 errno = ENOENT;
1215                 TALLOC_FREE(frame);
1216                 return -1;
1217         }
1218         /*d_printf(">>>mkdir: resolved path as %s\n", targetpath);*/
1219
1220         if (!NT_STATUS_IS_OK(cli_mkdir(targetcli, targetpath))) {
1221                 errno = SMBC_errno(context, targetcli);
1222                 TALLOC_FREE(frame);
1223                 return -1;
1224
1225         }
1226
1227         TALLOC_FREE(frame);
1228         return 0;
1229
1230 }
1231
1232 /*
1233  * Our list function simply checks to see if a directory is not empty
1234  */
1235
1236 static NTSTATUS
1237 rmdir_list_fn(const char *mnt,
1238               struct file_info *finfo,
1239               const char *mask,
1240               void *state)
1241 {
1242         if (strncmp(finfo->name, ".", 1) != 0 &&
1243             strncmp(finfo->name, "..", 2) != 0) {
1244                 bool *smbc_rmdir_dirempty = (bool *)state;
1245                 *smbc_rmdir_dirempty = false;
1246         }
1247         return NT_STATUS_OK;
1248 }
1249
1250 /*
1251  * Routine to remove a directory
1252  */
1253
1254 int
1255 SMBC_rmdir_ctx(SMBCCTX *context,
1256                const char *fname)
1257 {
1258         SMBCSRV *srv = NULL;
1259         char *server = NULL;
1260         char *share = NULL;
1261         char *user = NULL;
1262         char *password = NULL;
1263         char *workgroup = NULL;
1264         char *path = NULL;
1265         char *targetpath = NULL;
1266         struct cli_state *targetcli = NULL;
1267         TALLOC_CTX *frame = talloc_stackframe();
1268
1269         if (!context || !context->internal->initialized) {
1270                 errno = EINVAL;
1271                 TALLOC_FREE(frame);
1272                 return -1;
1273         }
1274
1275         if (!fname) {
1276                 errno = EINVAL;
1277                 TALLOC_FREE(frame);
1278                 return -1;
1279         }
1280
1281         DEBUG(4, ("smbc_rmdir(%s)\n", fname));
1282
1283         if (SMBC_parse_path(frame,
1284                             context,
1285                             fname,
1286                             &workgroup,
1287                             &server,
1288                             &share,
1289                             &path,
1290                             &user,
1291                             &password,
1292                             NULL)) {
1293                 errno = EINVAL;
1294                 TALLOC_FREE(frame);
1295                 return -1;
1296         }
1297
1298         if (!user || user[0] == (char)0) {
1299                 user = talloc_strdup(frame, smbc_getUser(context));
1300                 if (!user) {
1301                         errno = ENOMEM;
1302                         TALLOC_FREE(frame);
1303                         return -1;
1304                 }
1305         }
1306
1307         srv = SMBC_server(frame, context, True,
1308                           server, share, &workgroup, &user, &password);
1309
1310         if (!srv) {
1311
1312                 TALLOC_FREE(frame);
1313                 return -1;  /* errno set by SMBC_server */
1314
1315         }
1316
1317         /*d_printf(">>>rmdir: resolving %s\n", path);*/
1318         if (!cli_resolve_path(frame, "", context->internal->auth_info,
1319                                 srv->cli, path,
1320                                 &targetcli, &targetpath)) {
1321                 d_printf("Could not resolve %s\n", path);
1322                 errno = ENOENT;
1323                 TALLOC_FREE(frame);
1324                 return -1;
1325         }
1326         /*d_printf(">>>rmdir: resolved path as %s\n", targetpath);*/
1327
1328         if (!NT_STATUS_IS_OK(cli_rmdir(targetcli, targetpath))) {
1329
1330                 errno = SMBC_errno(context, targetcli);
1331
1332                 if (errno == EACCES) {  /* Check if the dir empty or not */
1333
1334                         /* Local storage to avoid buffer overflows */
1335                         char *lpath;
1336                         bool smbc_rmdir_dirempty = true;
1337                         NTSTATUS status;
1338
1339                         lpath = talloc_asprintf(frame, "%s\\*",
1340                                                 targetpath);
1341                         if (!lpath) {
1342                                 errno = ENOMEM;
1343                                 TALLOC_FREE(frame);
1344                                 return -1;
1345                         }
1346
1347                         status = cli_list(targetcli, lpath,
1348                                           FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_SYSTEM | FILE_ATTRIBUTE_HIDDEN,
1349                                           rmdir_list_fn,
1350                                           &smbc_rmdir_dirempty);
1351
1352                         if (!NT_STATUS_IS_OK(status)) {
1353                                 /* Fix errno to ignore latest error ... */
1354                                 DEBUG(5, ("smbc_rmdir: "
1355                                           "cli_list returned an error: %d\n",
1356                                           SMBC_errno(context, targetcli)));
1357                                 errno = EACCES;
1358
1359                         }
1360
1361                         if (smbc_rmdir_dirempty)
1362                                 errno = EACCES;
1363                         else
1364                                 errno = ENOTEMPTY;
1365
1366                 }
1367
1368                 TALLOC_FREE(frame);
1369                 return -1;
1370
1371         }
1372
1373         TALLOC_FREE(frame);
1374         return 0;
1375
1376 }
1377
1378 /*
1379  * Routine to return the current directory position
1380  */
1381
1382 off_t
1383 SMBC_telldir_ctx(SMBCCTX *context,
1384                  SMBCFILE *dir)
1385 {
1386         TALLOC_CTX *frame = talloc_stackframe();
1387
1388         if (!context || !context->internal->initialized) {
1389
1390                 errno = EINVAL;
1391                 TALLOC_FREE(frame);
1392                 return -1;
1393
1394         }
1395
1396         if (!dir || !SMBC_dlist_contains(context->internal->files, dir)) {
1397
1398                 errno = EBADF;
1399                 TALLOC_FREE(frame);
1400                 return -1;
1401
1402         }
1403
1404         if (dir->file != False) { /* FIXME, should be dir, perhaps */
1405
1406                 errno = ENOTDIR;
1407                 TALLOC_FREE(frame);
1408                 return -1;
1409
1410         }
1411
1412         /* See if we're already at the end. */
1413         if (dir->dir_next == NULL) {
1414                 /* We are. */
1415                 TALLOC_FREE(frame);
1416                 return -1;
1417         }
1418
1419         /*
1420          * We return the pointer here as the offset
1421          */
1422         TALLOC_FREE(frame);
1423         return (off_t)(long)dir->dir_next->dirent;
1424 }
1425
1426 /*
1427  * A routine to run down the list and see if the entry is OK
1428  */
1429
1430 static struct smbc_dir_list *
1431 check_dir_ent(struct smbc_dir_list *list,
1432               struct smbc_dirent *dirent)
1433 {
1434
1435         /* Run down the list looking for what we want */
1436
1437         if (dirent) {
1438
1439                 struct smbc_dir_list *tmp = list;
1440
1441                 while (tmp) {
1442
1443                         if (tmp->dirent == dirent)
1444                                 return tmp;
1445
1446                         tmp = tmp->next;
1447
1448                 }
1449
1450         }
1451
1452         return NULL;  /* Not found, or an error */
1453
1454 }
1455
1456
1457 /*
1458  * Routine to seek on a directory
1459  */
1460
1461 int
1462 SMBC_lseekdir_ctx(SMBCCTX *context,
1463                   SMBCFILE *dir,
1464                   off_t offset)
1465 {
1466         long int l_offset = offset;  /* Handle problems of size */
1467         struct smbc_dirent *dirent = (struct smbc_dirent *)l_offset;
1468         struct smbc_dir_list *list_ent = (struct smbc_dir_list *)NULL;
1469         TALLOC_CTX *frame = talloc_stackframe();
1470
1471         if (!context || !context->internal->initialized) {
1472
1473                 errno = EINVAL;
1474                 TALLOC_FREE(frame);
1475                 return -1;
1476
1477         }
1478
1479         if (dir->file != False) { /* FIXME, should be dir, perhaps */
1480
1481                 errno = ENOTDIR;
1482                 TALLOC_FREE(frame);
1483                 return -1;
1484
1485         }
1486
1487         /* Now, check what we were passed and see if it is OK ... */
1488
1489         if (dirent == NULL) {  /* Seek to the begining of the list */
1490
1491                 dir->dir_next = dir->dir_list;
1492                 TALLOC_FREE(frame);
1493                 return 0;
1494
1495         }
1496
1497         if (offset == -1) {     /* Seek to the end of the list */
1498                 dir->dir_next = NULL;
1499                 TALLOC_FREE(frame);
1500                 return 0;
1501         }
1502
1503         /* Now, run down the list and make sure that the entry is OK       */
1504         /* This may need to be changed if we change the format of the list */
1505
1506         if ((list_ent = check_dir_ent(dir->dir_list, dirent)) == NULL) {
1507                 errno = EINVAL;   /* Bad entry */
1508                 TALLOC_FREE(frame);
1509                 return -1;
1510         }
1511
1512         dir->dir_next = list_ent;
1513
1514         TALLOC_FREE(frame);
1515         return 0;
1516 }
1517
1518 /*
1519  * Routine to fstat a dir
1520  */
1521
1522 int
1523 SMBC_fstatdir_ctx(SMBCCTX *context,
1524                   SMBCFILE *dir,
1525                   struct stat *st)
1526 {
1527
1528         if (!context || !context->internal->initialized) {
1529
1530                 errno = EINVAL;
1531                 return -1;
1532         }
1533
1534         /* No code yet ... */
1535         return 0;
1536 }
1537
1538 int
1539 SMBC_chmod_ctx(SMBCCTX *context,
1540                const char *fname,
1541                mode_t newmode)
1542 {
1543         SMBCSRV *srv = NULL;
1544         char *server = NULL;
1545         char *share = NULL;
1546         char *user = NULL;
1547         char *password = NULL;
1548         char *workgroup = NULL;
1549         char *targetpath = NULL;
1550         struct cli_state *targetcli = NULL;
1551         char *path = NULL;
1552         uint16 mode;
1553         TALLOC_CTX *frame = talloc_stackframe();
1554
1555         if (!context || !context->internal->initialized) {
1556
1557                 errno = EINVAL;  /* Best I can think of ... */
1558                 TALLOC_FREE(frame);
1559                 return -1;
1560         }
1561
1562         if (!fname) {
1563                 errno = EINVAL;
1564                 TALLOC_FREE(frame);
1565                 return -1;
1566         }
1567
1568         DEBUG(4, ("smbc_chmod(%s, 0%3o)\n", fname, (unsigned int)newmode));
1569
1570         if (SMBC_parse_path(frame,
1571                             context,
1572                             fname,
1573                             &workgroup,
1574                             &server,
1575                             &share,
1576                             &path,
1577                             &user,
1578                             &password,
1579                             NULL)) {
1580                 errno = EINVAL;
1581                 TALLOC_FREE(frame);
1582                 return -1;
1583         }
1584
1585         if (!user || user[0] == (char)0) {
1586                 user = talloc_strdup(frame, smbc_getUser(context));
1587                 if (!user) {
1588                         errno = ENOMEM;
1589                         TALLOC_FREE(frame);
1590                         return -1;
1591                 }
1592         }
1593
1594         srv = SMBC_server(frame, context, True,
1595                           server, share, &workgroup, &user, &password);
1596
1597         if (!srv) {
1598                 TALLOC_FREE(frame);
1599                 return -1;  /* errno set by SMBC_server */
1600         }
1601
1602         /*d_printf(">>>unlink: resolving %s\n", path);*/
1603         if (!cli_resolve_path(frame, "", context->internal->auth_info,
1604                                 srv->cli, path,
1605                                 &targetcli, &targetpath)) {
1606                 d_printf("Could not resolve %s\n", path);
1607                 errno = ENOENT;
1608                 TALLOC_FREE(frame);
1609                 return -1;
1610         }
1611
1612         mode = 0;
1613
1614         if (!(newmode & (S_IWUSR | S_IWGRP | S_IWOTH))) mode |= FILE_ATTRIBUTE_READONLY;
1615         if ((newmode & S_IXUSR) && lp_map_archive(-1)) mode |= FILE_ATTRIBUTE_ARCHIVE;
1616         if ((newmode & S_IXGRP) && lp_map_system(-1)) mode |= FILE_ATTRIBUTE_SYSTEM;
1617         if ((newmode & S_IXOTH) && lp_map_hidden(-1)) mode |= FILE_ATTRIBUTE_HIDDEN;
1618
1619         if (!NT_STATUS_IS_OK(cli_setatr(targetcli, targetpath, mode, 0))) {
1620                 errno = SMBC_errno(context, targetcli);
1621                 TALLOC_FREE(frame);
1622                 return -1;
1623         }
1624
1625         TALLOC_FREE(frame);
1626         return 0;
1627 }
1628
1629 int
1630 SMBC_utimes_ctx(SMBCCTX *context,
1631                 const char *fname,
1632                 struct timeval *tbuf)
1633 {
1634         SMBCSRV *srv = NULL;
1635         char *server = NULL;
1636         char *share = NULL;
1637         char *user = NULL;
1638         char *password = NULL;
1639         char *workgroup = NULL;
1640         char *path = NULL;
1641         time_t access_time;
1642         time_t write_time;
1643         TALLOC_CTX *frame = talloc_stackframe();
1644
1645         if (!context || !context->internal->initialized) {
1646
1647                 errno = EINVAL;  /* Best I can think of ... */
1648                 TALLOC_FREE(frame);
1649                 return -1;
1650         }
1651
1652         if (!fname) {
1653                 errno = EINVAL;
1654                 TALLOC_FREE(frame);
1655                 return -1;
1656         }
1657
1658         if (tbuf == NULL) {
1659                 access_time = write_time = time(NULL);
1660         } else {
1661                 access_time = tbuf[0].tv_sec;
1662                 write_time = tbuf[1].tv_sec;
1663         }
1664
1665         if (DEBUGLVL(4)) {
1666                 char *p;
1667                 char atimebuf[32];
1668                 char mtimebuf[32];
1669
1670                 strncpy(atimebuf, ctime(&access_time), sizeof(atimebuf) - 1);
1671                 atimebuf[sizeof(atimebuf) - 1] = '\0';
1672                 if ((p = strchr(atimebuf, '\n')) != NULL) {
1673                         *p = '\0';
1674                 }
1675
1676                 strncpy(mtimebuf, ctime(&write_time), sizeof(mtimebuf) - 1);
1677                 mtimebuf[sizeof(mtimebuf) - 1] = '\0';
1678                 if ((p = strchr(mtimebuf, '\n')) != NULL) {
1679                         *p = '\0';
1680                 }
1681
1682                 dbgtext("smbc_utimes(%s, atime = %s mtime = %s)\n",
1683                         fname, atimebuf, mtimebuf);
1684         }
1685
1686         if (SMBC_parse_path(frame,
1687                             context,
1688                             fname,
1689                             &workgroup,
1690                             &server,
1691                             &share,
1692                             &path,
1693                             &user,
1694                             &password,
1695                             NULL)) {
1696                 errno = EINVAL;
1697                 TALLOC_FREE(frame);
1698                 return -1;
1699         }
1700
1701         if (!user || user[0] == (char)0) {
1702                 user = talloc_strdup(frame, smbc_getUser(context));
1703                 if (!user) {
1704                         errno = ENOMEM;
1705                         TALLOC_FREE(frame);
1706                         return -1;
1707                 }
1708         }
1709
1710         srv = SMBC_server(frame, context, True,
1711                           server, share, &workgroup, &user, &password);
1712
1713         if (!srv) {
1714                 TALLOC_FREE(frame);
1715                 return -1;      /* errno set by SMBC_server */
1716         }
1717
1718         if (!SMBC_setatr(context, srv, path,
1719                          0, access_time, write_time, 0, 0)) {
1720                 TALLOC_FREE(frame);
1721                 return -1;      /* errno set by SMBC_setatr */
1722         }
1723
1724         TALLOC_FREE(frame);
1725         return 0;
1726 }
1727
1728 /*
1729  * Routine to unlink() a file
1730  */
1731
1732 int
1733 SMBC_unlink_ctx(SMBCCTX *context,
1734                 const char *fname)
1735 {
1736         char *server = NULL;
1737         char *share = NULL;
1738         char *user = NULL;
1739         char *password = NULL;
1740         char *workgroup = NULL;
1741         char *path = NULL;
1742         char *targetpath = NULL;
1743         struct cli_state *targetcli = NULL;
1744         SMBCSRV *srv = NULL;
1745         TALLOC_CTX *frame = talloc_stackframe();
1746
1747         if (!context || !context->internal->initialized) {
1748
1749                 errno = EINVAL;  /* Best I can think of ... */
1750                 TALLOC_FREE(frame);
1751                 return -1;
1752
1753         }
1754
1755         if (!fname) {
1756                 errno = EINVAL;
1757                 TALLOC_FREE(frame);
1758                 return -1;
1759
1760         }
1761
1762         if (SMBC_parse_path(frame,
1763                             context,
1764                             fname,
1765                             &workgroup,
1766                             &server,
1767                             &share,
1768                             &path,
1769                             &user,
1770                             &password,
1771                             NULL)) {
1772                 errno = EINVAL;
1773                 TALLOC_FREE(frame);
1774                 return -1;
1775         }
1776
1777         if (!user || user[0] == (char)0) {
1778                 user = talloc_strdup(frame, smbc_getUser(context));
1779                 if (!user) {
1780                         errno = ENOMEM;
1781                         TALLOC_FREE(frame);
1782                         return -1;
1783                 }
1784         }
1785
1786         srv = SMBC_server(frame, context, True,
1787                           server, share, &workgroup, &user, &password);
1788
1789         if (!srv) {
1790                 TALLOC_FREE(frame);
1791                 return -1;  /* SMBC_server sets errno */
1792
1793         }
1794
1795         /*d_printf(">>>unlink: resolving %s\n", path);*/
1796         if (!cli_resolve_path(frame, "", context->internal->auth_info,
1797                                 srv->cli, path,
1798                                 &targetcli, &targetpath)) {
1799                 d_printf("Could not resolve %s\n", path);
1800                 errno = ENOENT;
1801                 TALLOC_FREE(frame);
1802                 return -1;
1803         }
1804         /*d_printf(">>>unlink: resolved path as %s\n", targetpath);*/
1805
1806         if (!NT_STATUS_IS_OK(cli_unlink(targetcli, targetpath, FILE_ATTRIBUTE_SYSTEM | FILE_ATTRIBUTE_HIDDEN))) {
1807
1808                 errno = SMBC_errno(context, targetcli);
1809
1810                 if (errno == EACCES) { /* Check if the file is a directory */
1811
1812                         int saverr = errno;
1813                         SMB_OFF_T size = 0;
1814                         uint16 mode = 0;
1815                         struct timespec write_time_ts;
1816                         struct timespec access_time_ts;
1817                         struct timespec change_time_ts;
1818                         SMB_INO_T ino = 0;
1819
1820                         if (!SMBC_getatr(context, srv, path, &mode, &size,
1821                                          NULL,
1822                                          &access_time_ts,
1823                                          &write_time_ts,
1824                                          &change_time_ts,
1825                                          &ino)) {
1826
1827                                 /* Hmmm, bad error ... What? */
1828
1829                                 errno = SMBC_errno(context, targetcli);
1830                                 TALLOC_FREE(frame);
1831                                 return -1;
1832
1833                         }
1834                         else {
1835
1836                                 if (IS_DOS_DIR(mode))
1837                                         errno = EISDIR;
1838                                 else
1839                                         errno = saverr;  /* Restore this */
1840
1841                         }
1842                 }
1843
1844                 TALLOC_FREE(frame);
1845                 return -1;
1846
1847         }
1848
1849         TALLOC_FREE(frame);
1850         return 0;  /* Success ... */
1851
1852 }
1853
1854 /*
1855  * Routine to rename() a file
1856  */
1857
1858 int
1859 SMBC_rename_ctx(SMBCCTX *ocontext,
1860                 const char *oname,
1861                 SMBCCTX *ncontext,
1862                 const char *nname)
1863 {
1864         char *server1 = NULL;
1865         char *share1 = NULL;
1866         char *server2 = NULL;
1867         char *share2 = NULL;
1868         char *user1 = NULL;
1869         char *user2 = NULL;
1870         char *password1 = NULL;
1871         char *password2 = NULL;
1872         char *workgroup = NULL;
1873         char *path1 = NULL;
1874         char *path2 = NULL;
1875         char *targetpath1 = NULL;
1876         char *targetpath2 = NULL;
1877         struct cli_state *targetcli1 = NULL;
1878         struct cli_state *targetcli2 = NULL;
1879         SMBCSRV *srv = NULL;
1880         TALLOC_CTX *frame = talloc_stackframe();
1881
1882         if (!ocontext || !ncontext ||
1883             !ocontext->internal->initialized ||
1884             !ncontext->internal->initialized) {
1885
1886                 errno = EINVAL;  /* Best I can think of ... */
1887                 TALLOC_FREE(frame);
1888                 return -1;
1889         }
1890
1891         if (!oname || !nname) {
1892                 errno = EINVAL;
1893                 TALLOC_FREE(frame);
1894                 return -1;
1895         }
1896
1897         DEBUG(4, ("smbc_rename(%s,%s)\n", oname, nname));
1898
1899         if (SMBC_parse_path(frame,
1900                             ocontext,
1901                             oname,
1902                             &workgroup,
1903                             &server1,
1904                             &share1,
1905                             &path1,
1906                             &user1,
1907                             &password1,
1908                             NULL)) {
1909                 errno = EINVAL;
1910                 TALLOC_FREE(frame);
1911                 return -1;
1912         }
1913
1914         if (!user1 || user1[0] == (char)0) {
1915                 user1 = talloc_strdup(frame, smbc_getUser(ocontext));
1916                 if (!user1) {
1917                         errno = ENOMEM;
1918                         TALLOC_FREE(frame);
1919                         return -1;
1920                 }
1921         }
1922
1923         if (SMBC_parse_path(frame,
1924                             ncontext,
1925                             nname,
1926                             NULL,
1927                             &server2,
1928                             &share2,
1929                             &path2,
1930                             &user2,
1931                             &password2,
1932                             NULL)) {
1933                 errno = EINVAL;
1934                 TALLOC_FREE(frame);
1935                 return -1;
1936         }
1937
1938         if (!user2 || user2[0] == (char)0) {
1939                 user2 = talloc_strdup(frame, smbc_getUser(ncontext));
1940                 if (!user2) {
1941                         errno = ENOMEM;
1942                         TALLOC_FREE(frame);
1943                         return -1;
1944                 }
1945         }
1946
1947         if (strcmp(server1, server2) || strcmp(share1, share2) ||
1948             strcmp(user1, user2)) {
1949                 /* Can't rename across file systems, or users?? */
1950                 errno = EXDEV;
1951                 TALLOC_FREE(frame);
1952                 return -1;
1953         }
1954
1955         srv = SMBC_server(frame, ocontext, True,
1956                           server1, share1, &workgroup, &user1, &password1);
1957         if (!srv) {
1958                 TALLOC_FREE(frame);
1959                 return -1;
1960
1961         }
1962
1963         /* set the credentials to make DFS work */
1964         smbc_set_credentials_with_fallback(ocontext,
1965                                            workgroup,
1966                                            user1,
1967                                            password1);
1968
1969         /*d_printf(">>>rename: resolving %s\n", path1);*/
1970         if (!cli_resolve_path(frame, "", ocontext->internal->auth_info,
1971                                 srv->cli,
1972                                 path1,
1973                                 &targetcli1, &targetpath1)) {
1974                 d_printf("Could not resolve %s\n", path1);
1975                 errno = ENOENT;
1976                 TALLOC_FREE(frame);
1977                 return -1;
1978         }
1979
1980         /* set the credentials to make DFS work */
1981         smbc_set_credentials_with_fallback(ncontext,
1982                                            workgroup,
1983                                            user2,
1984                                            password2);
1985
1986         /*d_printf(">>>rename: resolved path as %s\n", targetpath1);*/
1987         /*d_printf(">>>rename: resolving %s\n", path2);*/
1988         if (!cli_resolve_path(frame, "", ncontext->internal->auth_info,
1989                                 srv->cli,
1990                                 path2,
1991                                 &targetcli2, &targetpath2)) {
1992                 d_printf("Could not resolve %s\n", path2);
1993                 errno = ENOENT;
1994                 TALLOC_FREE(frame);
1995                 return -1;
1996         }
1997         /*d_printf(">>>rename: resolved path as %s\n", targetpath2);*/
1998
1999         if (strcmp(targetcli1->desthost, targetcli2->desthost) ||
2000             strcmp(targetcli1->share, targetcli2->share))
2001         {
2002                 /* can't rename across file systems */
2003                 errno = EXDEV;
2004                 TALLOC_FREE(frame);
2005                 return -1;
2006         }
2007
2008         if (!NT_STATUS_IS_OK(cli_rename(targetcli1, targetpath1, targetpath2))) {
2009                 int eno = SMBC_errno(ocontext, targetcli1);
2010
2011                 if (eno != EEXIST ||
2012                     !NT_STATUS_IS_OK(cli_unlink(targetcli1, targetpath2, FILE_ATTRIBUTE_SYSTEM | FILE_ATTRIBUTE_HIDDEN)) ||
2013                     !NT_STATUS_IS_OK(cli_rename(targetcli1, targetpath1, targetpath2))) {
2014
2015                         errno = eno;
2016                         TALLOC_FREE(frame);
2017                         return -1;
2018
2019                 }
2020         }
2021
2022         TALLOC_FREE(frame);
2023         return 0; /* Success */
2024 }
2025