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&aDIR?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                                 TALLOC_FREE(frame);
 522                                 errno = ENOMEM;
 523                                 return NULL;
 524                         }
 525                         count = 1;
 526                 }
 527
 528                 for (i = 0; i < count && i < max_lmb_count; i++) {
 529                         char addr[INET6_ADDRSTRLEN];
 530                         char *wg_ptr = NULL;
 531                         struct cli_state *cli = NULL;
 532
 533                         print_sockaddr(addr, sizeof(addr), &ip_list[i].ss);
 534                         DEBUG(99, ("Found master browser %d of %d: %s\n",
 535                                    i+1, MAX(count, max_lmb_count),
 536                                    addr));
 537
 538                         cli = get_ipc_connect_master_ip(talloc_tos(),
 539                                                         &ip_list[i],
 540                                                         &u_info,
 541                                                         &wg_ptr);
 542                         /* cli == NULL is the master browser refused to talk or
 543                            could not be found */
 544                         if (!cli) {
 545                                 continue;
 546                         }
 547
 548                         workgroup = talloc_strdup(frame, wg_ptr);
 549                         server = talloc_strdup(frame, cli->desthost);
 550
 551                         cli_shutdown(cli);
 552
 553                         if (!workgroup || !server) {
 554                                 if (dir) {
 555                                         SAFE_FREE(dir->fname);
 556                                         SAFE_FREE(dir);
 557                                 }
 558                                 TALLOC_FREE(frame);
 559                                 errno = ENOMEM;
 560                                 return NULL;
 561                         }
 562
 563                         DEBUG(4, ("using workgroup %s %s\n",
 564                                   workgroup, server));
 565
 566                         /*
 567                          * For each returned master browser IP address, get a
 568                          * connection to IPC$ on the server if we do not
 569                          * already have one, and determine the
 570                          * workgroups/domains that it knows about.
 571                          */
 572
 573                         srv = SMBC_server(frame, context, True, server, "IPC$",
 574                                           &workgroup, &user, &password);
 575                         if (!srv) {
 576                                 continue;
 577                         }
 578
 579                         dir->srv = srv;
 580                         dir->dir_type = SMBC_WORKGROUP;
 581
 582                         /* Now, list the stuff ... */
 583
 584                         if (!cli_NetServerEnum(srv->cli,
 585                                                workgroup,
 586                                                SV_TYPE_DOMAIN_ENUM,
 587                                                list_unique_wg_fn,
 588                                                (void *)dir)) {
 589                                 continue;
 590                         }
 591                 }
 592
 593                 SAFE_FREE(ip_list);
 594         } else {
 595                 /*
 596                  * Server not an empty string ... Check the rest and see what
 597                  * gives
 598                  */
 599                 if (*share == '\0') {
 600                         if (*path != '\0') {
 601
 602                                 /* Should not have empty share with path */
 603                                 if (dir) {
 604                                         SAFE_FREE(dir->fname);
 605                                         SAFE_FREE(dir);
 606                                 }
 607                                 TALLOC_FREE(frame);
 608                                 errno = EINVAL + 8197;
 609                                 return NULL;
 610
 611                         }
 612
 613                         /*
 614                          * We don't know if <server> is really a server name
 615                          * or is a workgroup/domain name.  If we already have
 616                          * a server structure for it, we'll use it.
 617                          * Otherwise, check to see if <server><1D>,
 618                          * <server><1B>, or <server><20> translates.  We check
 619                          * to see if <server> is an IP address first.
 620                          */
 621
 622                         /*
 623                          * See if we have an existing server.  Do not
 624                          * establish a connection if one does not already
 625                          * exist.
 626                          */
 627                         srv = SMBC_server(frame, context, False,
 628                                           server, "IPC$",
 629                                           &workgroup, &user, &password);
 630
 631                         /*
 632                          * If no existing server and not an IP addr, look for
 633                          * LMB or DMB
 634                          */
 635                         if (!srv &&
 636                             !is_ipaddress(server) &&
 637                             (resolve_name(server, &rem_ss, 0x1d, false) ||   /* LMB */
 638                              resolve_name(server, &rem_ss, 0x1b, false) )) { /* DMB */
 639                                 /*
 640                                  * "server" is actually a workgroup name,
 641                                  * not a server. Make this clear.
 642                                  */
 643                                 char *wgroup = server;
 644                                 fstring buserver;
 645
 646                                 dir->dir_type = SMBC_SERVER;
 647
 648                                 /*
 649                                  * Get the backup list ...
 650                                  */
 651                                 if (!name_status_find(wgroup, 0, 0,
 652                                                       &rem_ss, buserver)) {
 653                                         char addr[INET6_ADDRSTRLEN];
 654
 655                                         print_sockaddr(addr, sizeof(addr), &rem_ss);
 656                                         DEBUG(0,("Could not get name of "
 657                                                 "local/domain master browser "
 658                                                 "for workgroup %s from "
 659                                                 "address %s\n",
 660                                                 wgroup,
 661                                                 addr));
 662                                         if (dir) {
 663                                                 SAFE_FREE(dir->fname);
 664                                                 SAFE_FREE(dir);
 665                                         }
 666                                         TALLOC_FREE(frame);
 667                                         errno = EPERM;
 668                                         return NULL;
 669
 670                                 }
 671
 672                                 /*
 673                                  * Get a connection to IPC$ on the server if
 674                                  * we do not already have one
 675                                  */
 676                                 srv = SMBC_server(frame, context, True,
 677                                                   buserver, "IPC$",
 678                                                   &workgroup,
 679                                                   &user, &password);
 680                                 if (!srv) {
 681                                         DEBUG(0, ("got no contact to IPC$\n"));
 682                                         if (dir) {
 683                                                 SAFE_FREE(dir->fname);
 684                                                 SAFE_FREE(dir);
 685                                         }
 686                                         TALLOC_FREE(frame);
 687                                         return NULL;
 688
 689                                 }
 690
 691                                 dir->srv = srv;
 692
 693                                 /* Now, list the servers ... */
 694                                 if (!cli_NetServerEnum(srv->cli, wgroup,
 695                                                        0x0000FFFE, list_fn,
 696                                                        (void *)dir)) {
 697
 698                                         if (dir) {
 699                                                 SAFE_FREE(dir->fname);
 700                                                 SAFE_FREE(dir);
 701                                         }
 702                                         TALLOC_FREE(frame);
 703                                         return NULL;
 704                                 }
 705                         } else if (srv ||
 706                                    (resolve_name(server, &rem_ss, 0x20, false))) {
 707
 708                                 /*
 709                                  * If we hadn't found the server, get one now
 710                                  */
 711                                 if (!srv) {
 712                                         srv = SMBC_server(frame, context, True,
 713                                                           server, "IPC$",
 714                                                           &workgroup,
 715                                                           &user, &password);
 716                                 }
 717
 718                                 if (!srv) {
 719                                         if (dir) {
 720                                                 SAFE_FREE(dir->fname);
 721                                                 SAFE_FREE(dir);
 722                                         }
 723                                         TALLOC_FREE(frame);
 724                                         return NULL;
 725
 726                                 }
 727
 728                                 dir->dir_type = SMBC_FILE_SHARE;
 729                                 dir->srv = srv;
 730
 731                                 /* List the shares ... */
 732
 733                                 if (net_share_enum_rpc(
 734                                             srv->cli,
 735                                             list_fn,
 736                                             (void *) dir) < 0 &&
 737                                     cli_RNetShareEnum(
 738                                             srv->cli,
 739                                             list_fn,
 740                                             (void *)dir) < 0) {
 741
 742                                         errno = cli_errno(srv->cli);
 743                                         if (dir) {
 744                                                 SAFE_FREE(dir->fname);
 745                                                 SAFE_FREE(dir);
 746                                         }
 747                                         TALLOC_FREE(frame);
 748                                         return NULL;
 749
 750                                 }
 751                         } else {
 752                                 /* Neither the workgroup nor server exists */
 753                                 errno = ECONNREFUSED;
 754                                 if (dir) {
 755                                         SAFE_FREE(dir->fname);
 756                                         SAFE_FREE(dir);
 757                                 }
 758                                 TALLOC_FREE(frame);
 759                                 return NULL;
 760                         }
 761
 762                 }
 763                 else {
 764                         /*
 765                          * The server and share are specified ... work from
 766                          * there ...
 767                          */
 768                         char *targetpath;
 769                         struct cli_state *targetcli;
 770                         NTSTATUS status;
 771
 772                         /* We connect to the server and list the directory */
 773                         dir->dir_type = SMBC_FILE_SHARE;
 774
 775                         srv = SMBC_server(frame, context, True, server, share,
 776                                           &workgroup, &user, &password);
 777
 778                         if (!srv) {
 779                                 if (dir) {
 780                                         SAFE_FREE(dir->fname);
 781                                         SAFE_FREE(dir);
 782                                 }
 783                                 TALLOC_FREE(frame);
 784                                 return NULL;
 785                         }
 786
 787                         dir->srv = srv;
 788
 789                         /* Now, list the files ... */
 790
 791                         p = path + strlen(path);
 792                         path = talloc_asprintf_append(path, "\\*");
 793                         if (!path) {
 794                                 if (dir) {
 795                                         SAFE_FREE(dir->fname);
 796                                         SAFE_FREE(dir);
 797                                 }
 798                                 TALLOC_FREE(frame);
 799                                 return NULL;
 800                         }
 801
 802                         if (!cli_resolve_path(frame, "", context->internal->auth_info,
 803                                                 srv->cli, path,
 804                                                 &targetcli, &targetpath)) {
 805                                 d_printf("Could not resolve %s\n", path);
 806                                 if (dir) {
 807                                         SAFE_FREE(dir->fname);
 808                                         SAFE_FREE(dir);
 809                                 }
 810                                 TALLOC_FREE(frame);
 811                                 return NULL;
 812                         }
 813
 814                         status = cli_list(targetcli, targetpath,
 815                                           aDIR | aSYSTEM | aHIDDEN,
 816                                           dir_list_fn, (void *)dir);
 817                         if (!NT_STATUS_IS_OK(status)) {
 818                                 if (dir) {
 819                                         SAFE_FREE(dir->fname);
 820                                         SAFE_FREE(dir);
 821                                 }
 822                                 saved_errno = SMBC_errno(context, targetcli);
 823
 824                                 if (saved_errno == EINVAL) {
 825                                         /*
 826                                          * See if they asked to opendir
 827                                          * something other than a directory.
 828                                          * If so, the converted error value we
 829                                          * got would have been EINVAL rather
 830                                          * than ENOTDIR.
 831                                          */
 832                                         *p = '\0'; /* restore original path */
 833
 834                                         if (SMBC_getatr(context, srv, path,
 835                                                         &mode, NULL,
 836                                                         NULL, NULL, NULL, NULL,
 837                                                         NULL) &&
 838                                             ! IS_DOS_DIR(mode)) {
 839
 840                                                 /* It is.  Correct the error value */
 841                                                 saved_errno = ENOTDIR;
 842                                         }
 843                                 }
 844
 845                                 /*
 846                                  * If there was an error and the server is no
 847                                  * good any more...
 848                                  */
 849                                 if (cli_is_error(targetcli) &&
 850                                     smbc_getFunctionCheckServer(context)(context, srv)) {
 851
 852                                         /* ... then remove it. */
 853                                         if (smbc_getFunctionRemoveUnusedServer(context)(context,
 854                                                                                         srv)) {
 855                                                 /*
 856                                                  * We could not remove the
 857                                                  * server completely, remove
 858                                                  * it from the cache so we
 859                                                  * will not get it again. It
 860                                                  * will be removed when the
 861                                                  * last file/dir is closed.
 862                                                  */
 863                                                 smbc_getFunctionRemoveCachedServer(context)(context, srv);
 864                                         }
 865                                 }
 866
 867                                 TALLOC_FREE(frame);
 868                                 errno = saved_errno;
 869                                 return NULL;
 870                         }
 871                 }
 872
 873         }
 874
 875         DLIST_ADD(context->internal->files, dir);
 876         TALLOC_FREE(frame);
 877         return dir;
 878
 879 }
 880
 881 /*
 882  * Routine to close a directory
 883  */
 884
 885 int
 886 SMBC_closedir_ctx(SMBCCTX *context,
 887                   SMBCFILE *dir)
 888 {
 889         TALLOC_CTX *frame = talloc_stackframe();
 890
 891         if (!context || !context->internal->initialized) {
 892                 errno = EINVAL;
 893                 TALLOC_FREE(frame);
 894                 return -1;
 895         }
 896
 897         if (!dir || !SMBC_dlist_contains(context->internal->files, dir)) {
 898                 errno = EBADF;
 899                 TALLOC_FREE(frame);
 900                 return -1;
 901         }
 902
 903         remove_dir(dir); /* Clean it up */
 904
 905         DLIST_REMOVE(context->internal->files, dir);
 906
 907         if (dir) {
 908
 909                 SAFE_FREE(dir->fname);
 910                 SAFE_FREE(dir);    /* Free the space too */
 911         }
 912
 913         TALLOC_FREE(frame);
 914         return 0;
 915
 916 }
 917
 918 static void
 919 smbc_readdir_internal(SMBCCTX * context,
 920                       struct smbc_dirent *dest,
 921                       struct smbc_dirent *src,
 922                       int max_namebuf_len)
 923 {
 924         if (smbc_getOptionUrlEncodeReaddirEntries(context)) {
 925
 926                 /* url-encode the name.  get back remaining buffer space */
 927                 max_namebuf_len =
 928                         smbc_urlencode(dest->name, src->name, max_namebuf_len);
 929
 930                 /* We now know the name length */
 931                 dest->namelen = strlen(dest->name);
 932
 933                 /* Save the pointer to the beginning of the comment */
 934                 dest->comment = dest->name + dest->namelen + 1;
 935
 936                 /* Copy the comment */
 937                 strncpy(dest->comment, src->comment, max_namebuf_len - 1);
 938                 dest->comment[max_namebuf_len - 1] = '\0';
 939
 940                 /* Save other fields */
 941                 dest->smbc_type = src->smbc_type;
 942                 dest->commentlen = strlen(dest->comment);
 943                 dest->dirlen = ((dest->comment + dest->commentlen + 1) -
 944                                 (char *) dest);
 945         } else {
 946
 947                 /* No encoding.  Just copy the entry as is. */
 948                 memcpy(dest, src, src->dirlen);
 949                 dest->comment = (char *)(&dest->name + src->namelen + 1);
 950         }
 951
 952 }
 953
 954 /*
 955  * Routine to get a directory entry
 956  */
 957
 958 struct smbc_dirent *
 959 SMBC_readdir_ctx(SMBCCTX *context,
 960                  SMBCFILE *dir)
 961 {
 962         int maxlen;
 963         struct smbc_dirent *dirp, *dirent;
 964         TALLOC_CTX *frame = talloc_stackframe();
 965
 966         /* Check that all is ok first ... */
 967
 968         if (!context || !context->internal->initialized) {
 969
 970                 errno = EINVAL;
 971                 DEBUG(0, ("Invalid context in SMBC_readdir_ctx()\n"));
 972                 TALLOC_FREE(frame);
 973                 return NULL;
 974
 975         }
 976
 977         if (!dir || !SMBC_dlist_contains(context->internal->files, dir)) {
 978
 979                 errno = EBADF;
 980                 DEBUG(0, ("Invalid dir in SMBC_readdir_ctx()\n"));
 981                 TALLOC_FREE(frame);
 982                 return NULL;
 983
 984         }
 985
 986         if (dir->file != False) { /* FIXME, should be dir, perhaps */
 987
 988                 errno = ENOTDIR;
 989                 DEBUG(0, ("Found file vs directory in SMBC_readdir_ctx()\n"));
 990                 TALLOC_FREE(frame);
 991                 return NULL;
 992
 993         }
 994
 995         if (!dir->dir_next) {
 996                 TALLOC_FREE(frame);
 997                 return NULL;
 998         }
 999
1000         dirent = dir->dir_next->dirent;
1001         if (!dirent) {
1002
1003                 errno = ENOENT;
1004                 TALLOC_FREE(frame);
1005                 return NULL;
1006
1007         }
1008
1009         dirp = &context->internal->dirent;
1010         maxlen = sizeof(context->internal->_dirent_name);
1011
1012         smbc_readdir_internal(context, dirp, dirent, maxlen);
1013
1014         dir->dir_next = dir->dir_next->next;
1015
1016         TALLOC_FREE(frame);
1017         return dirp;
1018 }
1019
1020 /*
1021  * Routine to get directory entries
1022  */
1023
1024 int
1025 SMBC_getdents_ctx(SMBCCTX *context,
1026                   SMBCFILE *dir,
1027                   struct smbc_dirent *dirp,
1028                   int count)
1029 {
1030         int rem = count;
1031         int reqd;
1032         int maxlen;
1033         char *ndir = (char *)dirp;
1034         struct smbc_dir_list *dirlist;
1035         TALLOC_CTX *frame = talloc_stackframe();
1036
1037         /* Check that all is ok first ... */
1038
1039         if (!context || !context->internal->initialized) {
1040
1041                 errno = EINVAL;
1042                 TALLOC_FREE(frame);
1043                 return -1;
1044
1045         }
1046
1047         if (!dir || !SMBC_dlist_contains(context->internal->files, dir)) {
1048
1049                 errno = EBADF;
1050                 TALLOC_FREE(frame);
1051                 return -1;
1052
1053         }
1054
1055         if (dir->file != False) { /* FIXME, should be dir, perhaps */
1056
1057                 errno = ENOTDIR;
1058                 TALLOC_FREE(frame);
1059                 return -1;
1060
1061         }
1062
1063         /*
1064          * Now, retrieve the number of entries that will fit in what was passed
1065          * We have to figure out if the info is in the list, or we need to
1066          * send a request to the server to get the info.
1067          */
1068
1069         while ((dirlist = dir->dir_next)) {
1070                 struct smbc_dirent *dirent;
1071                 struct smbc_dirent *currentEntry = (struct smbc_dirent *)ndir;
1072
1073                 if (!dirlist->dirent) {
1074
1075                         errno = ENOENT;  /* Bad error */
1076                         TALLOC_FREE(frame);
1077                         return -1;
1078
1079                 }
1080
1081                 /* Do urlencoding of next entry, if so selected */
1082                 dirent = &context->internal->dirent;
1083                 maxlen = sizeof(context->internal->_dirent_name);
1084                 smbc_readdir_internal(context, dirent,
1085                                       dirlist->dirent, maxlen);
1086
1087                 reqd = dirent->dirlen;
1088
1089                 if (rem < reqd) {
1090
1091                         if (rem < count) { /* We managed to copy something */
1092
1093                                 errno = 0;
1094                                 TALLOC_FREE(frame);
1095                                 return count - rem;
1096
1097                         }
1098                         else { /* Nothing copied ... */
1099
1100                                 errno = EINVAL;  /* Not enough space ... */
1101                                 TALLOC_FREE(frame);
1102                                 return -1;
1103
1104                         }
1105
1106                 }
1107
1108                 memcpy(currentEntry, dirent, reqd); /* Copy the data in ... */
1109
1110                 currentEntry->comment = &currentEntry->name[0] +
1111                                                 dirent->namelen + 1;
1112
1113                 ndir += reqd;
1114                 rem -= reqd;
1115
1116                 /* Try and align the struct for the next entry
1117                    on a valid pointer boundary by appending zeros */
1118                 while((rem > 0) && ((unsigned long long)ndir & (sizeof(void*) - 1))) {
1119                         *ndir = '\0';
1120                         rem--;
1121                         ndir++;
1122                         currentEntry->dirlen++;
1123                 }
1124
1125                 dir->dir_next = dirlist = dirlist -> next;
1126         }
1127
1128         TALLOC_FREE(frame);
1129
1130         if (rem == count)
1131                 return 0;
1132         else
1133                 return count - rem;
1134
1135 }
1136
1137 /*
1138  * Routine to create a directory ...
1139  */
1140
1141 int
1142 SMBC_mkdir_ctx(SMBCCTX *context,
1143                const char *fname,
1144                mode_t mode)
1145 {
1146         SMBCSRV *srv = NULL;
1147         char *server = NULL;
1148         char *share = NULL;
1149         char *user = NULL;
1150         char *password = NULL;
1151         char *workgroup = NULL;
1152         char *path = NULL;
1153         char *targetpath = NULL;
1154         struct cli_state *targetcli = NULL;
1155         TALLOC_CTX *frame = talloc_stackframe();
1156
1157         if (!context || !context->internal->initialized) {
1158                 errno = EINVAL;
1159                 TALLOC_FREE(frame);
1160                 return -1;
1161         }
1162
1163         if (!fname) {
1164                 errno = EINVAL;
1165                 TALLOC_FREE(frame);
1166                 return -1;
1167         }
1168
1169         DEBUG(4, ("smbc_mkdir(%s)\n", fname));
1170
1171         if (SMBC_parse_path(frame,
1172                             context,
1173                             fname,
1174                             &workgroup,
1175                             &server,
1176                             &share,
1177                             &path,
1178                             &user,
1179                             &password,
1180                             NULL)) {
1181                 errno = EINVAL;
1182                 TALLOC_FREE(frame);
1183                 return -1;
1184         }
1185
1186         if (!user || user[0] == (char)0) {
1187                 user = talloc_strdup(frame, smbc_getUser(context));
1188                 if (!user) {
1189                         errno = ENOMEM;
1190                         TALLOC_FREE(frame);
1191                         return -1;
1192                 }
1193         }
1194
1195         srv = SMBC_server(frame, context, True,
1196                           server, share, &workgroup, &user, &password);
1197
1198         if (!srv) {
1199
1200                 TALLOC_FREE(frame);
1201                 return -1;  /* errno set by SMBC_server */
1202
1203         }
1204
1205         /*d_printf(">>>mkdir: resolving %s\n", path);*/
1206         if (!cli_resolve_path(frame, "", context->internal->auth_info,
1207                                 srv->cli, path,
1208                                 &targetcli, &targetpath)) {
1209                 d_printf("Could not resolve %s\n", path);
1210                 errno = ENOENT;
1211                 TALLOC_FREE(frame);
1212                 return -1;
1213         }
1214         /*d_printf(">>>mkdir: resolved path as %s\n", targetpath);*/
1215
1216         if (!NT_STATUS_IS_OK(cli_mkdir(targetcli, targetpath))) {
1217                 errno = SMBC_errno(context, targetcli);
1218                 TALLOC_FREE(frame);
1219                 return -1;
1220
1221         }
1222
1223         TALLOC_FREE(frame);
1224         return 0;
1225
1226 }
1227
1228 /*
1229  * Our list function simply checks to see if a directory is not empty
1230  */
1231
1232 static NTSTATUS
1233 rmdir_list_fn(const char *mnt,
1234               struct file_info *finfo,
1235               const char *mask,
1236               void *state)
1237 {
1238         if (strncmp(finfo->name, ".", 1) != 0 &&
1239             strncmp(finfo->name, "..", 2) != 0) {
1240                 bool *smbc_rmdir_dirempty = (bool *)state;
1241                 *smbc_rmdir_dirempty = false;
1242         }
1243         return NT_STATUS_OK;
1244 }
1245
1246 /*
1247  * Routine to remove a directory
1248  */
1249
1250 int
1251 SMBC_rmdir_ctx(SMBCCTX *context,
1252                const char *fname)
1253 {
1254         SMBCSRV *srv = NULL;
1255         char *server = NULL;
1256         char *share = NULL;
1257         char *user = NULL;
1258         char *password = NULL;
1259         char *workgroup = NULL;
1260         char *path = NULL;
1261         char *targetpath = NULL;
1262         struct cli_state *targetcli = NULL;
1263         TALLOC_CTX *frame = talloc_stackframe();
1264
1265         if (!context || !context->internal->initialized) {
1266                 errno = EINVAL;
1267                 TALLOC_FREE(frame);
1268                 return -1;
1269         }
1270
1271         if (!fname) {
1272                 errno = EINVAL;
1273                 TALLOC_FREE(frame);
1274                 return -1;
1275         }
1276
1277         DEBUG(4, ("smbc_rmdir(%s)\n", fname));
1278
1279         if (SMBC_parse_path(frame,
1280                             context,
1281                             fname,
1282                             &workgroup,
1283                             &server,
1284                             &share,
1285                             &path,
1286                             &user,
1287                             &password,
1288                             NULL)) {
1289                 errno = EINVAL;
1290                 TALLOC_FREE(frame);
1291                 return -1;
1292         }
1293
1294         if (!user || user[0] == (char)0) {
1295                 user = talloc_strdup(frame, smbc_getUser(context));
1296                 if (!user) {
1297                         errno = ENOMEM;
1298                         TALLOC_FREE(frame);
1299                         return -1;
1300                 }
1301         }
1302
1303         srv = SMBC_server(frame, context, True,
1304                           server, share, &workgroup, &user, &password);
1305
1306         if (!srv) {
1307
1308                 TALLOC_FREE(frame);
1309                 return -1;  /* errno set by SMBC_server */
1310
1311         }
1312
1313         /*d_printf(">>>rmdir: resolving %s\n", path);*/
1314         if (!cli_resolve_path(frame, "", context->internal->auth_info,
1315                                 srv->cli, path,
1316                                 &targetcli, &targetpath)) {
1317                 d_printf("Could not resolve %s\n", path);
1318                 errno = ENOENT;
1319                 TALLOC_FREE(frame);
1320                 return -1;
1321         }
1322         /*d_printf(">>>rmdir: resolved path as %s\n", targetpath);*/
1323
1324         if (!NT_STATUS_IS_OK(cli_rmdir(targetcli, targetpath))) {
1325
1326                 errno = SMBC_errno(context, targetcli);
1327
1328                 if (errno == EACCES) {  /* Check if the dir empty or not */
1329
1330                         /* Local storage to avoid buffer overflows */
1331                         char *lpath;
1332                         bool smbc_rmdir_dirempty = true;
1333                         NTSTATUS status;
1334
1335                         lpath = talloc_asprintf(frame, "%s\\*",
1336                                                 targetpath);
1337                         if (!lpath) {
1338                                 errno = ENOMEM;
1339                                 TALLOC_FREE(frame);
1340                                 return -1;
1341                         }
1342
1343                         status = cli_list(targetcli, lpath,
1344                                           aDIR | aSYSTEM | aHIDDEN,
1345                                           rmdir_list_fn,
1346                                           &smbc_rmdir_dirempty);
1347
1348                         if (!NT_STATUS_IS_OK(status)) {
1349                                 /* Fix errno to ignore latest error ... */
1350                                 DEBUG(5, ("smbc_rmdir: "
1351                                           "cli_list returned an error: %d\n",
1352                                           SMBC_errno(context, targetcli)));
1353                                 errno = EACCES;
1354
1355                         }
1356
1357                         if (smbc_rmdir_dirempty)
1358                                 errno = EACCES;
1359                         else
1360                                 errno = ENOTEMPTY;
1361
1362                 }
1363
1364                 TALLOC_FREE(frame);
1365                 return -1;
1366
1367         }
1368
1369         TALLOC_FREE(frame);
1370         return 0;
1371
1372 }
1373
1374 /*
1375  * Routine to return the current directory position
1376  */
1377
1378 off_t
1379 SMBC_telldir_ctx(SMBCCTX *context,
1380                  SMBCFILE *dir)
1381 {
1382         TALLOC_CTX *frame = talloc_stackframe();
1383
1384         if (!context || !context->internal->initialized) {
1385
1386                 errno = EINVAL;
1387                 TALLOC_FREE(frame);
1388                 return -1;
1389
1390         }
1391
1392         if (!dir || !SMBC_dlist_contains(context->internal->files, dir)) {
1393
1394                 errno = EBADF;
1395                 TALLOC_FREE(frame);
1396                 return -1;
1397
1398         }
1399
1400         if (dir->file != False) { /* FIXME, should be dir, perhaps */
1401
1402                 errno = ENOTDIR;
1403                 TALLOC_FREE(frame);
1404                 return -1;
1405
1406         }
1407
1408         /* See if we're already at the end. */
1409         if (dir->dir_next == NULL) {
1410                 /* We are. */
1411                 TALLOC_FREE(frame);
1412                 return -1;
1413         }
1414
1415         /*
1416          * We return the pointer here as the offset
1417          */
1418         TALLOC_FREE(frame);
1419         return (off_t)(long)dir->dir_next->dirent;
1420 }
1421
1422 /*
1423  * A routine to run down the list and see if the entry is OK
1424  */
1425
1426 static struct smbc_dir_list *
1427 check_dir_ent(struct smbc_dir_list *list,
1428               struct smbc_dirent *dirent)
1429 {
1430
1431         /* Run down the list looking for what we want */
1432
1433         if (dirent) {
1434
1435                 struct smbc_dir_list *tmp = list;
1436
1437                 while (tmp) {
1438
1439                         if (tmp->dirent == dirent)
1440                                 return tmp;
1441
1442                         tmp = tmp->next;
1443
1444                 }
1445
1446         }
1447
1448         return NULL;  /* Not found, or an error */
1449
1450 }
1451
1452
1453 /*
1454  * Routine to seek on a directory
1455  */
1456
1457 int
1458 SMBC_lseekdir_ctx(SMBCCTX *context,
1459                   SMBCFILE *dir,
1460                   off_t offset)
1461 {
1462         long int l_offset = offset;  /* Handle problems of size */
1463         struct smbc_dirent *dirent = (struct smbc_dirent *)l_offset;
1464         struct smbc_dir_list *list_ent = (struct smbc_dir_list *)NULL;
1465         TALLOC_CTX *frame = talloc_stackframe();
1466
1467         if (!context || !context->internal->initialized) {
1468
1469                 errno = EINVAL;
1470                 TALLOC_FREE(frame);
1471                 return -1;
1472
1473         }
1474
1475         if (dir->file != False) { /* FIXME, should be dir, perhaps */
1476
1477                 errno = ENOTDIR;
1478                 TALLOC_FREE(frame);
1479                 return -1;
1480
1481         }
1482
1483         /* Now, check what we were passed and see if it is OK ... */
1484
1485         if (dirent == NULL) {  /* Seek to the begining of the list */
1486
1487                 dir->dir_next = dir->dir_list;
1488                 TALLOC_FREE(frame);
1489                 return 0;
1490
1491         }
1492
1493         if (offset == -1) {     /* Seek to the end of the list */
1494                 dir->dir_next = NULL;
1495                 TALLOC_FREE(frame);
1496                 return 0;
1497         }
1498
1499         /* Now, run down the list and make sure that the entry is OK       */
1500         /* This may need to be changed if we change the format of the list */
1501
1502         if ((list_ent = check_dir_ent(dir->dir_list, dirent)) == NULL) {
1503                 errno = EINVAL;   /* Bad entry */
1504                 TALLOC_FREE(frame);
1505                 return -1;
1506         }
1507
1508         dir->dir_next = list_ent;
1509
1510         TALLOC_FREE(frame);
1511         return 0;
1512 }
1513
1514 /*
1515  * Routine to fstat a dir
1516  */
1517
1518 int
1519 SMBC_fstatdir_ctx(SMBCCTX *context,
1520                   SMBCFILE *dir,
1521                   struct stat *st)
1522 {
1523
1524         if (!context || !context->internal->initialized) {
1525
1526                 errno = EINVAL;
1527                 return -1;
1528         }
1529
1530         /* No code yet ... */
1531         return 0;
1532 }
1533
1534 int
1535 SMBC_chmod_ctx(SMBCCTX *context,
1536                const char *fname,
1537                mode_t newmode)
1538 {
1539         SMBCSRV *srv = NULL;
1540         char *server = NULL;
1541         char *share = NULL;
1542         char *user = NULL;
1543         char *password = NULL;
1544         char *workgroup = NULL;
1545         char *targetpath = NULL;
1546         struct cli_state *targetcli = NULL;
1547         char *path = NULL;
1548         uint16 mode;
1549         TALLOC_CTX *frame = talloc_stackframe();
1550
1551         if (!context || !context->internal->initialized) {
1552
1553                 errno = EINVAL;  /* Best I can think of ... */
1554                 TALLOC_FREE(frame);
1555                 return -1;
1556         }
1557
1558         if (!fname) {
1559                 errno = EINVAL;
1560                 TALLOC_FREE(frame);
1561                 return -1;
1562         }
1563
1564         DEBUG(4, ("smbc_chmod(%s, 0%3o)\n", fname, (unsigned int)newmode));
1565
1566         if (SMBC_parse_path(frame,
1567                             context,
1568                             fname,
1569                             &workgroup,
1570                             &server,
1571                             &share,
1572                             &path,
1573                             &user,
1574                             &password,
1575                             NULL)) {
1576                 errno = EINVAL;
1577                 TALLOC_FREE(frame);
1578                 return -1;
1579         }
1580
1581         if (!user || user[0] == (char)0) {
1582                 user = talloc_strdup(frame, smbc_getUser(context));
1583                 if (!user) {
1584                         errno = ENOMEM;
1585                         TALLOC_FREE(frame);
1586                         return -1;
1587                 }
1588         }
1589
1590         srv = SMBC_server(frame, context, True,
1591                           server, share, &workgroup, &user, &password);
1592
1593         if (!srv) {
1594                 TALLOC_FREE(frame);
1595                 return -1;  /* errno set by SMBC_server */
1596         }
1597
1598         /*d_printf(">>>unlink: resolving %s\n", path);*/
1599         if (!cli_resolve_path(frame, "", context->internal->auth_info,
1600                                 srv->cli, path,
1601                                 &targetcli, &targetpath)) {
1602                 d_printf("Could not resolve %s\n", path);
1603                 errno = ENOENT;
1604                 TALLOC_FREE(frame);
1605                 return -1;
1606         }
1607
1608         mode = 0;
1609
1610         if (!(newmode & (S_IWUSR | S_IWGRP | S_IWOTH))) mode |= aRONLY;
1611         if ((newmode & S_IXUSR) && lp_map_archive(-1)) mode |= aARCH;
1612         if ((newmode & S_IXGRP) && lp_map_system(-1)) mode |= aSYSTEM;
1613         if ((newmode & S_IXOTH) && lp_map_hidden(-1)) mode |= aHIDDEN;
1614
1615         if (!NT_STATUS_IS_OK(cli_setatr(targetcli, targetpath, mode, 0))) {
1616                 errno = SMBC_errno(context, targetcli);
1617                 TALLOC_FREE(frame);
1618                 return -1;
1619         }
1620
1621         TALLOC_FREE(frame);
1622         return 0;
1623 }
1624
1625 int
1626 SMBC_utimes_ctx(SMBCCTX *context,
1627                 const char *fname,
1628                 struct timeval *tbuf)
1629 {
1630         SMBCSRV *srv = NULL;
1631         char *server = NULL;
1632         char *share = NULL;
1633         char *user = NULL;
1634         char *password = NULL;
1635         char *workgroup = NULL;
1636         char *path = NULL;
1637         time_t access_time;
1638         time_t write_time;
1639         TALLOC_CTX *frame = talloc_stackframe();
1640
1641         if (!context || !context->internal->initialized) {
1642
1643                 errno = EINVAL;  /* Best I can think of ... */
1644                 TALLOC_FREE(frame);
1645                 return -1;
1646         }
1647
1648         if (!fname) {
1649                 errno = EINVAL;
1650                 TALLOC_FREE(frame);
1651                 return -1;
1652         }
1653
1654         if (tbuf == NULL) {
1655                 access_time = write_time = time(NULL);
1656         } else {
1657                 access_time = tbuf[0].tv_sec;
1658                 write_time = tbuf[1].tv_sec;
1659         }
1660
1661         if (DEBUGLVL(4)) {
1662                 char *p;
1663                 char atimebuf[32];
1664                 char mtimebuf[32];
1665
1666                 strncpy(atimebuf, ctime(&access_time), sizeof(atimebuf) - 1);
1667                 atimebuf[sizeof(atimebuf) - 1] = '\0';
1668                 if ((p = strchr(atimebuf, '\n')) != NULL) {
1669                         *p = '\0';
1670                 }
1671
1672                 strncpy(mtimebuf, ctime(&write_time), sizeof(mtimebuf) - 1);
1673                 mtimebuf[sizeof(mtimebuf) - 1] = '\0';
1674                 if ((p = strchr(mtimebuf, '\n')) != NULL) {
1675                         *p = '\0';
1676                 }
1677
1678                 dbgtext("smbc_utimes(%s, atime = %s mtime = %s)\n",
1679                         fname, atimebuf, mtimebuf);
1680         }
1681
1682         if (SMBC_parse_path(frame,
1683                             context,
1684                             fname,
1685                             &workgroup,
1686                             &server,
1687                             &share,
1688                             &path,
1689                             &user,
1690                             &password,
1691                             NULL)) {
1692                 errno = EINVAL;
1693                 TALLOC_FREE(frame);
1694                 return -1;
1695         }
1696
1697         if (!user || user[0] == (char)0) {
1698                 user = talloc_strdup(frame, smbc_getUser(context));
1699                 if (!user) {
1700                         errno = ENOMEM;
1701                         TALLOC_FREE(frame);
1702                         return -1;
1703                 }
1704         }
1705
1706         srv = SMBC_server(frame, context, True,
1707                           server, share, &workgroup, &user, &password);
1708
1709         if (!srv) {
1710                 TALLOC_FREE(frame);
1711                 return -1;      /* errno set by SMBC_server */
1712         }
1713
1714         if (!SMBC_setatr(context, srv, path,
1715                          0, access_time, write_time, 0, 0)) {
1716                 TALLOC_FREE(frame);
1717                 return -1;      /* errno set by SMBC_setatr */
1718         }
1719
1720         TALLOC_FREE(frame);
1721         return 0;
1722 }
1723
1724 /*
1725  * Routine to unlink() a file
1726  */
1727
1728 int
1729 SMBC_unlink_ctx(SMBCCTX *context,
1730                 const char *fname)
1731 {
1732         char *server = NULL;
1733         char *share = NULL;
1734         char *user = NULL;
1735         char *password = NULL;
1736         char *workgroup = NULL;
1737         char *path = NULL;
1738         char *targetpath = NULL;
1739         struct cli_state *targetcli = NULL;
1740         SMBCSRV *srv = NULL;
1741         TALLOC_CTX *frame = talloc_stackframe();
1742
1743         if (!context || !context->internal->initialized) {
1744
1745                 errno = EINVAL;  /* Best I can think of ... */
1746                 TALLOC_FREE(frame);
1747                 return -1;
1748
1749         }
1750
1751         if (!fname) {
1752                 errno = EINVAL;
1753                 TALLOC_FREE(frame);
1754                 return -1;
1755
1756         }
1757
1758         if (SMBC_parse_path(frame,
1759                             context,
1760                             fname,
1761                             &workgroup,
1762                             &server,
1763                             &share,
1764                             &path,
1765                             &user,
1766                             &password,
1767                             NULL)) {
1768                 errno = EINVAL;
1769                 TALLOC_FREE(frame);
1770                 return -1;
1771         }
1772
1773         if (!user || user[0] == (char)0) {
1774                 user = talloc_strdup(frame, smbc_getUser(context));
1775                 if (!user) {
1776                         errno = ENOMEM;
1777                         TALLOC_FREE(frame);
1778                         return -1;
1779                 }
1780         }
1781
1782         srv = SMBC_server(frame, context, True,
1783                           server, share, &workgroup, &user, &password);
1784
1785         if (!srv) {
1786                 TALLOC_FREE(frame);
1787                 return -1;  /* SMBC_server sets errno */
1788
1789         }
1790
1791         /*d_printf(">>>unlink: resolving %s\n", path);*/
1792         if (!cli_resolve_path(frame, "", context->internal->auth_info,
1793                                 srv->cli, path,
1794                                 &targetcli, &targetpath)) {
1795                 d_printf("Could not resolve %s\n", path);
1796                 errno = ENOENT;
1797                 TALLOC_FREE(frame);
1798                 return -1;
1799         }
1800         /*d_printf(">>>unlink: resolved path as %s\n", targetpath);*/
1801
1802         if (!NT_STATUS_IS_OK(cli_unlink(targetcli, targetpath, aSYSTEM | aHIDDEN))) {
1803
1804                 errno = SMBC_errno(context, targetcli);
1805
1806                 if (errno == EACCES) { /* Check if the file is a directory */
1807
1808                         int saverr = errno;
1809                         SMB_OFF_T size = 0;
1810                         uint16 mode = 0;
1811                         struct timespec write_time_ts;
1812                         struct timespec access_time_ts;
1813                         struct timespec change_time_ts;
1814                         SMB_INO_T ino = 0;
1815
1816                         if (!SMBC_getatr(context, srv, path, &mode, &size,
1817                                          NULL,
1818                                          &access_time_ts,
1819                                          &write_time_ts,
1820                                          &change_time_ts,
1821                                          &ino)) {
1822
1823                                 /* Hmmm, bad error ... What? */
1824
1825                                 errno = SMBC_errno(context, targetcli);
1826                                 TALLOC_FREE(frame);
1827                                 return -1;
1828
1829                         }
1830                         else {
1831
1832                                 if (IS_DOS_DIR(mode))
1833                                         errno = EISDIR;
1834                                 else
1835                                         errno = saverr;  /* Restore this */
1836
1837                         }
1838                 }
1839
1840                 TALLOC_FREE(frame);
1841                 return -1;
1842
1843         }
1844
1845         TALLOC_FREE(frame);
1846         return 0;  /* Success ... */
1847
1848 }
1849
1850 /*
1851  * Routine to rename() a file
1852  */
1853
1854 int
1855 SMBC_rename_ctx(SMBCCTX *ocontext,
1856                 const char *oname,
1857                 SMBCCTX *ncontext,
1858                 const char *nname)
1859 {
1860         char *server1 = NULL;
1861         char *share1 = NULL;
1862         char *server2 = NULL;
1863         char *share2 = NULL;
1864         char *user1 = NULL;
1865         char *user2 = NULL;
1866         char *password1 = NULL;
1867         char *password2 = NULL;
1868         char *workgroup = NULL;
1869         char *path1 = NULL;
1870         char *path2 = NULL;
1871         char *targetpath1 = NULL;
1872         char *targetpath2 = NULL;
1873         struct cli_state *targetcli1 = NULL;
1874         struct cli_state *targetcli2 = NULL;
1875         SMBCSRV *srv = NULL;
1876         TALLOC_CTX *frame = talloc_stackframe();
1877
1878         if (!ocontext || !ncontext ||
1879             !ocontext->internal->initialized ||
1880             !ncontext->internal->initialized) {
1881
1882                 errno = EINVAL;  /* Best I can think of ... */
1883                 TALLOC_FREE(frame);
1884                 return -1;
1885         }
1886
1887         if (!oname || !nname) {
1888                 errno = EINVAL;
1889                 TALLOC_FREE(frame);
1890                 return -1;
1891         }
1892
1893         DEBUG(4, ("smbc_rename(%s,%s)\n", oname, nname));
1894
1895         if (SMBC_parse_path(frame,
1896                             ocontext,
1897                             oname,
1898                             &workgroup,
1899                             &server1,
1900                             &share1,
1901                             &path1,
1902                             &user1,
1903                             &password1,
1904                             NULL)) {
1905                 errno = EINVAL;
1906                 TALLOC_FREE(frame);
1907                 return -1;
1908         }
1909
1910         if (!user1 || user1[0] == (char)0) {
1911                 user1 = talloc_strdup(frame, smbc_getUser(ocontext));
1912                 if (!user1) {
1913                         errno = ENOMEM;
1914                         TALLOC_FREE(frame);
1915                         return -1;
1916                 }
1917         }
1918
1919         if (SMBC_parse_path(frame,
1920                             ncontext,
1921                             nname,
1922                             NULL,
1923                             &server2,
1924                             &share2,
1925                             &path2,
1926                             &user2,
1927                             &password2,
1928                             NULL)) {
1929                 errno = EINVAL;
1930                 TALLOC_FREE(frame);
1931                 return -1;
1932         }
1933
1934         if (!user2 || user2[0] == (char)0) {
1935                 user2 = talloc_strdup(frame, smbc_getUser(ncontext));
1936                 if (!user2) {
1937                         errno = ENOMEM;
1938                         TALLOC_FREE(frame);
1939                         return -1;
1940                 }
1941         }
1942
1943         if (strcmp(server1, server2) || strcmp(share1, share2) ||
1944             strcmp(user1, user2)) {
1945                 /* Can't rename across file systems, or users?? */
1946                 errno = EXDEV;
1947                 TALLOC_FREE(frame);
1948                 return -1;
1949         }
1950
1951         srv = SMBC_server(frame, ocontext, True,
1952                           server1, share1, &workgroup, &user1, &password1);
1953         if (!srv) {
1954                 TALLOC_FREE(frame);
1955                 return -1;
1956
1957         }
1958
1959         /* set the credentials to make DFS work */
1960         smbc_set_credentials_with_fallback(ocontext,
1961                                            workgroup,
1962                                            user1,
1963                                            password1);
1964
1965         /*d_printf(">>>rename: resolving %s\n", path1);*/
1966         if (!cli_resolve_path(frame, "", ocontext->internal->auth_info,
1967                                 srv->cli,
1968                                 path1,
1969                                 &targetcli1, &targetpath1)) {
1970                 d_printf("Could not resolve %s\n", path1);
1971                 errno = ENOENT;
1972                 TALLOC_FREE(frame);
1973                 return -1;
1974         }
1975
1976         /* set the credentials to make DFS work */
1977         smbc_set_credentials_with_fallback(ncontext,
1978                                            workgroup,
1979                                            user2,
1980                                            password2);
1981
1982         /*d_printf(">>>rename: resolved path as %s\n", targetpath1);*/
1983         /*d_printf(">>>rename: resolving %s\n", path2);*/
1984         if (!cli_resolve_path(frame, "", ncontext->internal->auth_info,
1985                                 srv->cli,
1986                                 path2,
1987                                 &targetcli2, &targetpath2)) {
1988                 d_printf("Could not resolve %s\n", path2);
1989                 errno = ENOENT;
1990                 TALLOC_FREE(frame);
1991                 return -1;
1992         }
1993         /*d_printf(">>>rename: resolved path as %s\n", targetpath2);*/
1994
1995         if (strcmp(targetcli1->desthost, targetcli2->desthost) ||
1996             strcmp(targetcli1->share, targetcli2->share))
1997         {
1998                 /* can't rename across file systems */
1999                 errno = EXDEV;
2000                 TALLOC_FREE(frame);
2001                 return -1;
2002         }
2003
2004         if (!NT_STATUS_IS_OK(cli_rename(targetcli1, targetpath1, targetpath2))) {
2005                 int eno = SMBC_errno(ocontext, targetcli1);
2006
2007                 if (eno != EEXIST ||
2008                     !NT_STATUS_IS_OK(cli_unlink(targetcli1, targetpath2, aSYSTEM | aHIDDEN)) ||
2009                     !NT_STATUS_IS_OK(cli_rename(targetcli1, targetpath1, targetpath2))) {
2010
2011                         errno = eno;
2012                         TALLOC_FREE(frame);
2013                         return -1;
2014
2015                 }
2016         }
2017
2018         TALLOC_FREE(frame);
2019         return 0; /* Success */
2020 }
2021