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 "libsmb/libsmb.h"
  27 #include "auth_info.h"
  28 #include "libsmbclient.h"
  29 #include "libsmb_internal.h"
  30 #include "rpc_client/cli_pipe.h"
  31 #include "../librpc/gen_ndr/ndr_srvsvc_c.h"
  32 #include "libsmb/nmblib.h"
  33 #include "../libcli/smb/smbXcli_base.h"
  34
  35 /*
  36  * Routine to open a directory
  37  * We accept the URL syntax explained in SMBC_parse_path(), above.
  38  */
  39
  40 static void
  41 remove_dir(SMBCFILE *dir)
  42 {
  43         struct smbc_dir_list *d,*f;
  44
  45         d = dir->dir_list;
  46         while (d) {
  47
  48                 f = d; d = d->next;
  49
  50                 SAFE_FREE(f->dirent);
  51                 SAFE_FREE(f);
  52
  53         }
  54
  55         dir->dir_list = dir->dir_end = dir->dir_next = NULL;
  56
  57 }
  58
  59 static int
  60 add_dirent(SMBCFILE *dir,
  61            const char *name,
  62            const char *comment,
  63            uint32 type)
  64 {
  65         struct smbc_dirent *dirent;
  66         int size;
  67         int name_length = (name == NULL ? 0 : strlen(name));
  68         int comment_len = (comment == NULL ? 0 : strlen(comment));
  69
  70         /*
  71          * Allocate space for the dirent, which must be increased by the
  72          * size of the name and the comment and 1 each for the null terminator.
  73          */
  74
  75         size = sizeof(struct smbc_dirent) + name_length + comment_len + 2;
  76
  77         dirent = (struct smbc_dirent *)SMB_MALLOC(size);
  78
  79         if (!dirent) {
  80
  81                 dir->dir_error = ENOMEM;
  82                 return -1;
  83
  84         }
  85
  86         ZERO_STRUCTP(dirent);
  87
  88         if (dir->dir_list == NULL) {
  89
  90                 dir->dir_list = SMB_MALLOC_P(struct smbc_dir_list);
  91                 if (!dir->dir_list) {
  92
  93                         SAFE_FREE(dirent);
  94                         dir->dir_error = ENOMEM;
  95                         return -1;
  96
  97                 }
  98                 ZERO_STRUCTP(dir->dir_list);
  99
 100                 dir->dir_end = dir->dir_next = dir->dir_list;
 101         }
 102         else {
 103
 104                 dir->dir_end->next = SMB_MALLOC_P(struct smbc_dir_list);
 105
 106                 if (!dir->dir_end->next) {
 107
 108                         SAFE_FREE(dirent);
 109                         dir->dir_error = ENOMEM;
 110                         return -1;
 111
 112                 }
 113                 ZERO_STRUCTP(dir->dir_end->next);
 114
 115                 dir->dir_end = dir->dir_end->next;
 116         }
 117
 118         dir->dir_end->next = NULL;
 119         dir->dir_end->dirent = dirent;
 120
 121         dirent->smbc_type = type;
 122         dirent->namelen = name_length;
 123         dirent->commentlen = comment_len;
 124         dirent->dirlen = size;
 125
 126         /*
 127          * dirent->namelen + 1 includes the null (no null termination needed)
 128          * Ditto for dirent->commentlen.
 129          * The space for the two null bytes was allocated.
 130          */
 131         strncpy(dirent->name, (name?name:""), dirent->namelen + 1);
 132         dirent->comment = (char *)(&dirent->name + dirent->namelen + 1);
 133         strncpy(dirent->comment, (comment?comment:""), dirent->commentlen + 1);
 134
 135         return 0;
 136
 137 }
 138
 139 static void
 140 list_unique_wg_fn(const char *name,
 141                   uint32 type,
 142                   const char *comment,
 143                   void *state)
 144 {
 145         SMBCFILE *dir = (SMBCFILE *)state;
 146         struct smbc_dir_list *dir_list;
 147         struct smbc_dirent *dirent;
 148         int dirent_type;
 149         int do_remove = 0;
 150
 151         dirent_type = dir->dir_type;
 152
 153         if (add_dirent(dir, name, comment, dirent_type) < 0) {
 154                 /* An error occurred, what do we do? */
 155                 /* FIXME: Add some code here */
 156                 /* Change cli_NetServerEnum to take a fn
 157                    returning NTSTATUS... JRA. */
 158         }
 159
 160         /* Point to the one just added */
 161         dirent = dir->dir_end->dirent;
 162
 163         /* See if this was a duplicate */
 164         for (dir_list = dir->dir_list;
 165              dir_list != dir->dir_end;
 166              dir_list = dir_list->next) {
 167                 if (! do_remove &&
 168                     strcmp(dir_list->dirent->name, dirent->name) == 0) {
 169                         /* Duplicate.  End end of list need to be removed. */
 170                         do_remove = 1;
 171                 }
 172
 173                 if (do_remove && dir_list->next == dir->dir_end) {
 174                         /* Found the end of the list.  Remove it. */
 175                         dir->dir_end = dir_list;
 176                         free(dir_list->next);
 177                         free(dirent);
 178                         dir_list->next = NULL;
 179                         break;
 180                 }
 181         }
 182 }
 183
 184 static void
 185 list_fn(const char *name,
 186         uint32 type,
 187         const char *comment,
 188         void *state)
 189 {
 190         SMBCFILE *dir = (SMBCFILE *)state;
 191         int dirent_type;
 192
 193         /*
 194          * We need to process the type a little ...
 195          *
 196          * Disk share     = 0x00000000
 197          * Print share    = 0x00000001
 198          * Comms share    = 0x00000002 (obsolete?)
 199          * IPC$ share     = 0x00000003
 200          *
 201          * administrative shares:
 202          * ADMIN$, IPC$, C$, D$, E$ ...  are type |= 0x80000000
 203          */
 204
 205         if (dir->dir_type == SMBC_FILE_SHARE) {
 206                 switch (type) {
 207                 case 0 | 0x80000000:
 208                 case 0:
 209                         dirent_type = SMBC_FILE_SHARE;
 210                         break;
 211
 212                 case 1:
 213                         dirent_type = SMBC_PRINTER_SHARE;
 214                         break;
 215
 216                 case 2:
 217                         dirent_type = SMBC_COMMS_SHARE;
 218                         break;
 219
 220                 case 3 | 0x80000000:
 221                 case 3:
 222                         dirent_type = SMBC_IPC_SHARE;
 223                         break;
 224
 225                 default:
 226                         dirent_type = SMBC_FILE_SHARE; /* FIXME, error? */
 227                         break;
 228                 }
 229         }
 230         else {
 231                 dirent_type = dir->dir_type;
 232         }
 233
 234         if (add_dirent(dir, name, comment, dirent_type) < 0) {
 235                 /* An error occurred, what do we do? */
 236                 /* FIXME: Add some code here */
 237                 /* Change cli_NetServerEnum to take a fn
 238                    returning NTSTATUS... JRA. */
 239         }
 240 }
 241
 242 static NTSTATUS
 243 dir_list_fn(const char *mnt,
 244             struct file_info *finfo,
 245             const char *mask,
 246             void *state)
 247 {
 248
 249         if (add_dirent((SMBCFILE *)state, finfo->name, "",
 250                        (finfo->mode&FILE_ATTRIBUTE_DIRECTORY?SMBC_DIR:SMBC_FILE)) < 0) {
 251                 SMBCFILE *dir = (SMBCFILE *)state;
 252                 return map_nt_error_from_unix(dir->dir_error);
 253         }
 254         return NT_STATUS_OK;
 255 }
 256
 257 static int
 258 net_share_enum_rpc(struct cli_state *cli,
 259                    void (*fn)(const char *name,
 260                               uint32 type,
 261                               const char *comment,
 262                               void *state),
 263                    void *state)
 264 {
 265         int i;
 266         WERROR result;
 267         uint32 preferred_len = 0xffffffff;
 268         uint32 type;
 269         struct srvsvc_NetShareInfoCtr info_ctr;
 270         struct srvsvc_NetShareCtr1 ctr1;
 271         fstring name = "";
 272         fstring comment = "";
 273         struct rpc_pipe_client *pipe_hnd = NULL;
 274         NTSTATUS nt_status;
 275         uint32_t resume_handle = 0;
 276         uint32_t total_entries = 0;
 277         struct dcerpc_binding_handle *b;
 278
 279         /* Open the server service pipe */
 280         nt_status = cli_rpc_pipe_open_noauth(cli, &ndr_table_srvsvc.syntax_id,
 281                                              &pipe_hnd);
 282         if (!NT_STATUS_IS_OK(nt_status)) {
 283                 DEBUG(1, ("net_share_enum_rpc pipe open fail!\n"));
 284                 return -1;
 285         }
 286
 287         ZERO_STRUCT(info_ctr);
 288         ZERO_STRUCT(ctr1);
 289
 290         info_ctr.level = 1;
 291         info_ctr.ctr.ctr1 = &ctr1;
 292
 293         b = pipe_hnd->binding_handle;
 294
 295         /* Issue the NetShareEnum RPC call and retrieve the response */
 296         nt_status = dcerpc_srvsvc_NetShareEnumAll(b, talloc_tos(),
 297                                                   pipe_hnd->desthost,
 298                                                   &info_ctr,
 299                                                   preferred_len,
 300                                                   &total_entries,
 301                                                   &resume_handle,
 302                                                   &result);
 303
 304         /* Was it successful? */
 305         if (!NT_STATUS_IS_OK(nt_status)) {
 306                 /*  Nope.  Go clean up. */
 307                 result = ntstatus_to_werror(nt_status);
 308                 goto done;
 309         }
 310
 311         if (!W_ERROR_IS_OK(result)) {
 312                 /*  Nope.  Go clean up. */
 313                 goto done;
 314         }
 315
 316         if (total_entries == 0) {
 317                 /*  Nope.  Go clean up. */
 318                 result = WERR_GENERAL_FAILURE;
 319                 goto done;
 320         }
 321
 322         /* For each returned entry... */
 323         for (i = 0; i < info_ctr.ctr.ctr1->count; i++) {
 324
 325                 /* pull out the share name */
 326                 fstrcpy(name, info_ctr.ctr.ctr1->array[i].name);
 327
 328                 /* pull out the share's comment */
 329                 fstrcpy(comment, info_ctr.ctr.ctr1->array[i].comment);
 330
 331                 /* Get the type value */
 332                 type = info_ctr.ctr.ctr1->array[i].type;
 333
 334                 /* Add this share to the list */
 335                 (*fn)(name, type, comment, state);
 336         }
 337
 338 done:
 339         /* Close the server service pipe */
 340         TALLOC_FREE(pipe_hnd);
 341
 342         /* Tell 'em if it worked */
 343         return W_ERROR_IS_OK(result) ? 0 : -1;
 344 }
 345
 346
 347 /*
 348  * Verify that the options specified in a URL are valid
 349  */
 350 int
 351 SMBC_check_options(char *server,
 352                    char *share,
 353                    char *path,
 354                    char *options)
 355 {
 356         DEBUG(4, ("SMBC_check_options(): server='%s' share='%s' "
 357                   "path='%s' options='%s'\n",
 358                   server, share, path, options));
 359
 360         /* No options at all is always ok */
 361         if (! *options) return 0;
 362
 363         /* Currently, we don't support any options. */
 364         return -1;
 365 }
 366
 367
 368 SMBCFILE *
 369 SMBC_opendir_ctx(SMBCCTX *context,
 370                  const char *fname)
 371 {
 372         int saved_errno;
 373         char *server = NULL;
 374         char *share = NULL;
 375         char *user = NULL;
 376         char *password = NULL;
 377         char *options = NULL;
 378         char *workgroup = NULL;
 379         char *path = NULL;
 380         uint16 mode;
 381         char *p = NULL;
 382         SMBCSRV *srv  = NULL;
 383         SMBCFILE *dir = NULL;
 384         struct sockaddr_storage rem_ss;
 385         TALLOC_CTX *frame = talloc_stackframe();
 386
 387         if (!context || !context->internal->initialized) {
 388                 DEBUG(4, ("no valid context\n"));
 389                 TALLOC_FREE(frame);
 390                 errno = EINVAL + 8192;
 391                 return NULL;
 392
 393         }
 394
 395         if (!fname) {
 396                 DEBUG(4, ("no valid fname\n"));
 397                 TALLOC_FREE(frame);
 398                 errno = EINVAL + 8193;
 399                 return NULL;
 400         }
 401
 402         if (SMBC_parse_path(frame,
 403                             context,
 404                             fname,
 405                             &workgroup,
 406                             &server,
 407                             &share,
 408                             &path,
 409                             &user,
 410                             &password,
 411                             &options)) {
 412                 DEBUG(4, ("no valid path\n"));
 413                 TALLOC_FREE(frame);
 414                 errno = EINVAL + 8194;
 415                 return NULL;
 416         }
 417
 418         DEBUG(4, ("parsed path: fname='%s' server='%s' share='%s' "
 419                   "path='%s' options='%s'\n",
 420                   fname, server, share, path, options));
 421
 422         /* Ensure the options are valid */
 423         if (SMBC_check_options(server, share, path, options)) {
 424                 DEBUG(4, ("unacceptable options (%s)\n", options));
 425                 TALLOC_FREE(frame);
 426                 errno = EINVAL + 8195;
 427                 return NULL;
 428         }
 429
 430         if (!user || user[0] == (char)0) {
 431                 user = talloc_strdup(frame, smbc_getUser(context));
 432                 if (!user) {
 433                         TALLOC_FREE(frame);
 434                         errno = ENOMEM;
 435                         return NULL;
 436                 }
 437         }
 438
 439         dir = SMB_MALLOC_P(SMBCFILE);
 440
 441         if (!dir) {
 442                 TALLOC_FREE(frame);
 443                 errno = ENOMEM;
 444                 return NULL;
 445         }
 446
 447         ZERO_STRUCTP(dir);
 448
 449         dir->cli_fd   = 0;
 450         dir->fname    = SMB_STRDUP(fname);
 451         dir->srv      = NULL;
 452         dir->offset   = 0;
 453         dir->file     = False;
 454         dir->dir_list = dir->dir_next = dir->dir_end = NULL;
 455
 456         if (server[0] == (char)0) {
 457
 458                 int i;
 459                 int count;
 460                 int max_lmb_count;
 461                 struct sockaddr_storage *ip_list;
 462                 struct sockaddr_storage server_addr;
 463                 struct user_auth_info u_info;
 464                 NTSTATUS status;
 465
 466                 if (share[0] != (char)0 || path[0] != (char)0) {
 467
 468                         if (dir) {
 469                                 SAFE_FREE(dir->fname);
 470                                 SAFE_FREE(dir);
 471                         }
 472                         TALLOC_FREE(frame);
 473                         errno = EINVAL + 8196;
 474                         return NULL;
 475                 }
 476
 477                 /* Determine how many local master browsers to query */
 478                 max_lmb_count = (smbc_getOptionBrowseMaxLmbCount(context) == 0
 479                                  ? INT_MAX
 480                                  : smbc_getOptionBrowseMaxLmbCount(context));
 481
 482                 memset(&u_info, '\0', sizeof(u_info));
 483                 u_info.username = talloc_strdup(frame,user);
 484                 u_info.password = talloc_strdup(frame,password);
 485                 if (!u_info.username || !u_info.password) {
 486                         if (dir) {
 487                                 SAFE_FREE(dir->fname);
 488                                 SAFE_FREE(dir);
 489                         }
 490                         TALLOC_FREE(frame);
 491                         return NULL;
 492                 }
 493
 494                 /*
 495                  * We have server and share and path empty but options
 496                  * requesting that we scan all master browsers for their list
 497                  * of workgroups/domains.  This implies that we must first try
 498                  * broadcast queries to find all master browsers, and if that
 499                  * doesn't work, then try our other methods which return only
 500                  * a single master browser.
 501                  */
 502
 503                 ip_list = NULL;
 504                 status = name_resolve_bcast(MSBROWSE, 1, talloc_tos(),
 505                                             &ip_list, &count);
 506                 if (!NT_STATUS_IS_OK(status))
 507                 {
 508
 509                         TALLOC_FREE(ip_list);
 510
 511                         if (!find_master_ip(workgroup, &server_addr)) {
 512
 513                                 if (dir) {
 514                                         SAFE_FREE(dir->fname);
 515                                         SAFE_FREE(dir);
 516                                 }
 517                                 TALLOC_FREE(frame);
 518                                 errno = ENOENT;
 519                                 return NULL;
 520                         }
 521
 522                         ip_list = (struct sockaddr_storage *)talloc_memdup(
 523                                 talloc_tos(), &server_addr,
 524                                 sizeof(server_addr));
 525                         if (ip_list == NULL) {
 526                                 if (dir) {
 527                                         SAFE_FREE(dir->fname);
 528                                         SAFE_FREE(dir);
 529                                 }
 530                                 TALLOC_FREE(frame);
 531                                 errno = ENOMEM;
 532                                 return NULL;
 533                         }
 534                         count = 1;
 535                 }
 536
 537                 for (i = 0; i < count && i < max_lmb_count; i++) {
 538                         char addr[INET6_ADDRSTRLEN];
 539                         char *wg_ptr = NULL;
 540                         struct cli_state *cli = NULL;
 541
 542                         print_sockaddr(addr, sizeof(addr), &ip_list[i]);
 543                         DEBUG(99, ("Found master browser %d of %d: %s\n",
 544                                    i+1, MAX(count, max_lmb_count),
 545                                    addr));
 546
 547                         cli = get_ipc_connect_master_ip(talloc_tos(),
 548                                                         &ip_list[i],
 549                                                         &u_info,
 550                                                         &wg_ptr);
 551                         /* cli == NULL is the master browser refused to talk or
 552                            could not be found */
 553                         if (!cli) {
 554                                 continue;
 555                         }
 556
 557                         workgroup = talloc_strdup(frame, wg_ptr);
 558                         server = talloc_strdup(frame, smbXcli_conn_remote_name(cli->conn));
 559
 560                         cli_shutdown(cli);
 561
 562                         if (!workgroup || !server) {
 563                                 if (dir) {
 564                                         SAFE_FREE(dir->fname);
 565                                         SAFE_FREE(dir);
 566                                 }
 567                                 TALLOC_FREE(frame);
 568                                 errno = ENOMEM;
 569                                 return NULL;
 570                         }
 571
 572                         DEBUG(4, ("using workgroup %s %s\n",
 573                                   workgroup, server));
 574
 575                         /*
 576                          * For each returned master browser IP address, get a
 577                          * connection to IPC$ on the server if we do not
 578                          * already have one, and determine the
 579                          * workgroups/domains that it knows about.
 580                          */
 581
 582                         srv = SMBC_server(frame, context, True, server, "IPC$",
 583                                           &workgroup, &user, &password);
 584                         if (!srv) {
 585                                 continue;
 586                         }
 587
 588                         dir->srv = srv;
 589                         dir->dir_type = SMBC_WORKGROUP;
 590
 591                         /* Now, list the stuff ... */
 592
 593                         if (!cli_NetServerEnum(srv->cli,
 594                                                workgroup,
 595                                                SV_TYPE_DOMAIN_ENUM,
 596                                                list_unique_wg_fn,
 597                                                (void *)dir)) {
 598                                 continue;
 599                         }
 600                 }
 601
 602                 TALLOC_FREE(ip_list);
 603         } else {
 604                 /*
 605                  * Server not an empty string ... Check the rest and see what
 606                  * gives
 607                  */
 608                 if (*share == '\0') {
 609                         if (*path != '\0') {
 610
 611                                 /* Should not have empty share with path */
 612                                 if (dir) {
 613                                         SAFE_FREE(dir->fname);
 614                                         SAFE_FREE(dir);
 615                                 }
 616                                 TALLOC_FREE(frame);
 617                                 errno = EINVAL + 8197;
 618                                 return NULL;
 619
 620                         }
 621
 622                         /*
 623                          * We don't know if <server> is really a server name
 624                          * or is a workgroup/domain name.  If we already have
 625                          * a server structure for it, we'll use it.
 626                          * Otherwise, check to see if <server><1D>,
 627                          * <server><1B>, or <server><20> translates.  We check
 628                          * to see if <server> is an IP address first.
 629                          */
 630
 631                         /*
 632                          * See if we have an existing server.  Do not
 633                          * establish a connection if one does not already
 634                          * exist.
 635                          */
 636                         srv = SMBC_server(frame, context, False,
 637                                           server, "IPC$",
 638                                           &workgroup, &user, &password);
 639
 640                         /*
 641                          * If no existing server and not an IP addr, look for
 642                          * LMB or DMB
 643                          */
 644                         if (!srv &&
 645                             !is_ipaddress(server) &&
 646                             (resolve_name(server, &rem_ss, 0x1d, false) ||   /* LMB */
 647                              resolve_name(server, &rem_ss, 0x1b, false) )) { /* DMB */
 648                                 /*
 649                                  * "server" is actually a workgroup name,
 650                                  * not a server. Make this clear.
 651                                  */
 652                                 char *wgroup = server;
 653                                 fstring buserver;
 654
 655                                 dir->dir_type = SMBC_SERVER;
 656
 657                                 /*
 658                                  * Get the backup list ...
 659                                  */
 660                                 if (!name_status_find(wgroup, 0, 0,
 661                                                       &rem_ss, buserver)) {
 662                                         char addr[INET6_ADDRSTRLEN];
 663
 664                                         print_sockaddr(addr, sizeof(addr), &rem_ss);
 665                                         DEBUG(0,("Could not get name of "
 666                                                 "local/domain master browser "
 667                                                 "for workgroup %s from "
 668                                                 "address %s\n",
 669                                                 wgroup,
 670                                                 addr));
 671                                         if (dir) {
 672                                                 SAFE_FREE(dir->fname);
 673                                                 SAFE_FREE(dir);
 674                                         }
 675                                         TALLOC_FREE(frame);
 676                                         errno = EPERM;
 677                                         return NULL;
 678
 679                                 }
 680
 681                                 /*
 682                                  * Get a connection to IPC$ on the server if
 683                                  * we do not already have one
 684                                  */
 685                                 srv = SMBC_server(frame, context, True,
 686                                                   buserver, "IPC$",
 687                                                   &workgroup,
 688                                                   &user, &password);
 689                                 if (!srv) {
 690                                         DEBUG(0, ("got no contact to IPC$\n"));
 691                                         if (dir) {
 692                                                 SAFE_FREE(dir->fname);
 693                                                 SAFE_FREE(dir);
 694                                         }
 695                                         TALLOC_FREE(frame);
 696                                         return NULL;
 697
 698                                 }
 699
 700                                 dir->srv = srv;
 701
 702                                 /* Now, list the servers ... */
 703                                 if (!cli_NetServerEnum(srv->cli, wgroup,
 704                                                        0x0000FFFE, list_fn,
 705                                                        (void *)dir)) {
 706
 707                                         if (dir) {
 708                                                 SAFE_FREE(dir->fname);
 709                                                 SAFE_FREE(dir);
 710                                         }
 711                                         TALLOC_FREE(frame);
 712                                         return NULL;
 713                                 }
 714                         } else if (srv ||
 715                                    (resolve_name(server, &rem_ss, 0x20, false))) {
 716
 717                                 /*
 718                                  * If we hadn't found the server, get one now
 719                                  */
 720                                 if (!srv) {
 721                                         srv = SMBC_server(frame, context, True,
 722                                                           server, "IPC$",
 723                                                           &workgroup,
 724                                                           &user, &password);
 725                                 }
 726
 727                                 if (!srv) {
 728                                         if (dir) {
 729                                                 SAFE_FREE(dir->fname);
 730                                                 SAFE_FREE(dir);
 731                                         }
 732                                         TALLOC_FREE(frame);
 733                                         return NULL;
 734
 735                                 }
 736
 737                                 dir->dir_type = SMBC_FILE_SHARE;
 738                                 dir->srv = srv;
 739
 740                                 /* List the shares ... */
 741
 742                                 if (net_share_enum_rpc(
 743                                             srv->cli,
 744                                             list_fn,
 745                                             (void *) dir) < 0 &&
 746                                     cli_RNetShareEnum(
 747                                             srv->cli,
 748                                             list_fn,
 749                                             (void *)dir) < 0) {
 750
 751                                         errno = cli_errno(srv->cli);
 752                                         if (dir) {
 753                                                 SAFE_FREE(dir->fname);
 754                                                 SAFE_FREE(dir);
 755                                         }
 756                                         TALLOC_FREE(frame);
 757                                         return NULL;
 758
 759                                 }
 760                         } else {
 761                                 /* Neither the workgroup nor server exists */
 762                                 errno = ECONNREFUSED;
 763                                 if (dir) {
 764                                         SAFE_FREE(dir->fname);
 765                                         SAFE_FREE(dir);
 766                                 }
 767                                 TALLOC_FREE(frame);
 768                                 return NULL;
 769                         }
 770
 771                 }
 772                 else {
 773                         /*
 774                          * The server and share are specified ... work from
 775                          * there ...
 776                          */
 777                         char *targetpath;
 778                         struct cli_state *targetcli;
 779                         NTSTATUS status;
 780
 781                         /* We connect to the server and list the directory */
 782                         dir->dir_type = SMBC_FILE_SHARE;
 783
 784                         srv = SMBC_server(frame, context, True, server, share,
 785                                           &workgroup, &user, &password);
 786
 787                         if (!srv) {
 788                                 if (dir) {
 789                                         SAFE_FREE(dir->fname);
 790                                         SAFE_FREE(dir);
 791                                 }
 792                                 TALLOC_FREE(frame);
 793                                 return NULL;
 794                         }
 795
 796                         dir->srv = srv;
 797
 798                         /* Now, list the files ... */
 799
 800                         p = path + strlen(path);
 801                         path = talloc_asprintf_append(path, "\\*");
 802                         if (!path) {
 803                                 if (dir) {
 804                                         SAFE_FREE(dir->fname);
 805                                         SAFE_FREE(dir);
 806                                 }
 807                                 TALLOC_FREE(frame);
 808                                 return NULL;
 809                         }
 810
 811                         status = cli_resolve_path(
 812                                 frame, "", context->internal->auth_info,
 813                                 srv->cli, path, &targetcli, &targetpath);
 814                         if (!NT_STATUS_IS_OK(status)) {
 815                                 d_printf("Could not resolve %s\n", path);
 816                                 if (dir) {
 817                                         SAFE_FREE(dir->fname);
 818                                         SAFE_FREE(dir);
 819                                 }
 820                                 TALLOC_FREE(frame);
 821                                 return NULL;
 822                         }
 823
 824                         status = cli_list(targetcli, targetpath,
 825                                           FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_SYSTEM | FILE_ATTRIBUTE_HIDDEN,
 826                                           dir_list_fn, (void *)dir);
 827                         if (!NT_STATUS_IS_OK(status)) {
 828                                 if (dir) {
 829                                         SAFE_FREE(dir->fname);
 830                                         SAFE_FREE(dir);
 831                                 }
 832                                 saved_errno = SMBC_errno(context, targetcli);
 833
 834                                 if (saved_errno == EINVAL) {
 835                                         /*
 836                                          * See if they asked to opendir
 837                                          * something other than a directory.
 838                                          * If so, the converted error value we
 839                                          * got would have been EINVAL rather
 840                                          * than ENOTDIR.
 841                                          */
 842                                         *p = '\0'; /* restore original path */
 843
 844                                         if (SMBC_getatr(context, srv, path,
 845                                                         &mode, NULL,
 846                                                         NULL, NULL, NULL, NULL,
 847                                                         NULL) &&
 848                                             ! IS_DOS_DIR(mode)) {
 849
 850                                                 /* It is.  Correct the error value */
 851                                                 saved_errno = ENOTDIR;
 852                                         }
 853                                 }
 854
 855                                 /*
 856                                  * If there was an error and the server is no
 857                                  * good any more...
 858                                  */
 859                                 if (cli_is_error(targetcli) &&
 860                                     smbc_getFunctionCheckServer(context)(context, srv)) {
 861
 862                                         /* ... then remove it. */
 863                                         if (smbc_getFunctionRemoveUnusedServer(context)(context,
 864                                                                                         srv)) {
 865                                                 /*
 866                                                  * We could not remove the
 867                                                  * server completely, remove
 868                                                  * it from the cache so we
 869                                                  * will not get it again. It
 870                                                  * will be removed when the
 871                                                  * last file/dir is closed.
 872                                                  */
 873                                                 smbc_getFunctionRemoveCachedServer(context)(context, srv);
 874                                         }
 875                                 }
 876
 877                                 TALLOC_FREE(frame);
 878                                 errno = saved_errno;
 879                                 return NULL;
 880                         }
 881                 }
 882
 883         }
 884
 885         DLIST_ADD(context->internal->files, dir);
 886         TALLOC_FREE(frame);
 887         return dir;
 888
 889 }
 890
 891 /*
 892  * Routine to close a directory
 893  */
 894
 895 int
 896 SMBC_closedir_ctx(SMBCCTX *context,
 897                   SMBCFILE *dir)
 898 {
 899         TALLOC_CTX *frame = talloc_stackframe();
 900
 901         if (!context || !context->internal->initialized) {
 902                 errno = EINVAL;
 903                 TALLOC_FREE(frame);
 904                 return -1;
 905         }
 906
 907         if (!dir || !SMBC_dlist_contains(context->internal->files, dir)) {
 908                 errno = EBADF;
 909                 TALLOC_FREE(frame);
 910                 return -1;
 911         }
 912
 913         remove_dir(dir); /* Clean it up */
 914
 915         DLIST_REMOVE(context->internal->files, dir);
 916
 917         if (dir) {
 918
 919                 SAFE_FREE(dir->fname);
 920                 SAFE_FREE(dir);    /* Free the space too */
 921         }
 922
 923         TALLOC_FREE(frame);
 924         return 0;
 925
 926 }
 927
 928 static void
 929 smbc_readdir_internal(SMBCCTX * context,
 930                       struct smbc_dirent *dest,
 931                       struct smbc_dirent *src,
 932                       int max_namebuf_len)
 933 {
 934         if (smbc_getOptionUrlEncodeReaddirEntries(context)) {
 935
 936                 /* url-encode the name.  get back remaining buffer space */
 937                 max_namebuf_len =
 938                         smbc_urlencode(dest->name, src->name, max_namebuf_len);
 939
 940                 /* We now know the name length */
 941                 dest->namelen = strlen(dest->name);
 942
 943                 /* Save the pointer to the beginning of the comment */
 944                 dest->comment = dest->name + dest->namelen + 1;
 945
 946                 /* Copy the comment */
 947                 strncpy(dest->comment, src->comment, max_namebuf_len - 1);
 948                 dest->comment[max_namebuf_len - 1] = '\0';
 949
 950                 /* Save other fields */
 951                 dest->smbc_type = src->smbc_type;
 952                 dest->commentlen = strlen(dest->comment);
 953                 dest->dirlen = ((dest->comment + dest->commentlen + 1) -
 954                                 (char *) dest);
 955         } else {
 956
 957                 /* No encoding.  Just copy the entry as is. */
 958                 memcpy(dest, src, src->dirlen);
 959                 dest->comment = (char *)(&dest->name + src->namelen + 1);
 960         }
 961
 962 }
 963
 964 /*
 965  * Routine to get a directory entry
 966  */
 967
 968 struct smbc_dirent *
 969 SMBC_readdir_ctx(SMBCCTX *context,
 970                  SMBCFILE *dir)
 971 {
 972         int maxlen;
 973         struct smbc_dirent *dirp, *dirent;
 974         TALLOC_CTX *frame = talloc_stackframe();
 975
 976         /* Check that all is ok first ... */
 977
 978         if (!context || !context->internal->initialized) {
 979
 980                 errno = EINVAL;
 981                 DEBUG(0, ("Invalid context in SMBC_readdir_ctx()\n"));
 982                 TALLOC_FREE(frame);
 983                 return NULL;
 984
 985         }
 986
 987         if (!dir || !SMBC_dlist_contains(context->internal->files, dir)) {
 988
 989                 errno = EBADF;
 990                 DEBUG(0, ("Invalid dir in SMBC_readdir_ctx()\n"));
 991                 TALLOC_FREE(frame);
 992                 return NULL;
 993
 994         }
 995
 996         if (dir->file != False) { /* FIXME, should be dir, perhaps */
 997
 998                 errno = ENOTDIR;
 999                 DEBUG(0, ("Found file vs directory in SMBC_readdir_ctx()\n"));
1000                 TALLOC_FREE(frame);
1001                 return NULL;
1002
1003         }
1004
1005         if (!dir->dir_next) {
1006                 TALLOC_FREE(frame);
1007                 return NULL;
1008         }
1009
1010         dirent = dir->dir_next->dirent;
1011         if (!dirent) {
1012
1013                 errno = ENOENT;
1014                 TALLOC_FREE(frame);
1015                 return NULL;
1016
1017         }
1018
1019         dirp = &context->internal->dirent;
1020         maxlen = sizeof(context->internal->_dirent_name);
1021
1022         smbc_readdir_internal(context, dirp, dirent, maxlen);
1023
1024         dir->dir_next = dir->dir_next->next;
1025
1026         TALLOC_FREE(frame);
1027         return dirp;
1028 }
1029
1030 /*
1031  * Routine to get directory entries
1032  */
1033
1034 int
1035 SMBC_getdents_ctx(SMBCCTX *context,
1036                   SMBCFILE *dir,
1037                   struct smbc_dirent *dirp,
1038                   int count)
1039 {
1040         int rem = count;
1041         int reqd;
1042         int maxlen;
1043         char *ndir = (char *)dirp;
1044         struct smbc_dir_list *dirlist;
1045         TALLOC_CTX *frame = talloc_stackframe();
1046
1047         /* Check that all is ok first ... */
1048
1049         if (!context || !context->internal->initialized) {
1050
1051                 errno = EINVAL;
1052                 TALLOC_FREE(frame);
1053                 return -1;
1054
1055         }
1056
1057         if (!dir || !SMBC_dlist_contains(context->internal->files, dir)) {
1058
1059                 errno = EBADF;
1060                 TALLOC_FREE(frame);
1061                 return -1;
1062
1063         }
1064
1065         if (dir->file != False) { /* FIXME, should be dir, perhaps */
1066
1067                 errno = ENOTDIR;
1068                 TALLOC_FREE(frame);
1069                 return -1;
1070
1071         }
1072
1073         /*
1074          * Now, retrieve the number of entries that will fit in what was passed
1075          * We have to figure out if the info is in the list, or we need to
1076          * send a request to the server to get the info.
1077          */
1078
1079         while ((dirlist = dir->dir_next)) {
1080                 struct smbc_dirent *dirent;
1081                 struct smbc_dirent *currentEntry = (struct smbc_dirent *)ndir;
1082
1083                 if (!dirlist->dirent) {
1084
1085                         errno = ENOENT;  /* Bad error */
1086                         TALLOC_FREE(frame);
1087                         return -1;
1088
1089                 }
1090
1091                 /* Do urlencoding of next entry, if so selected */
1092                 dirent = &context->internal->dirent;
1093                 maxlen = sizeof(context->internal->_dirent_name);
1094                 smbc_readdir_internal(context, dirent,
1095                                       dirlist->dirent, maxlen);
1096
1097                 reqd = dirent->dirlen;
1098
1099                 if (rem < reqd) {
1100
1101                         if (rem < count) { /* We managed to copy something */
1102
1103                                 errno = 0;
1104                                 TALLOC_FREE(frame);
1105                                 return count - rem;
1106
1107                         }
1108                         else { /* Nothing copied ... */
1109
1110                                 errno = EINVAL;  /* Not enough space ... */
1111                                 TALLOC_FREE(frame);
1112                                 return -1;
1113
1114                         }
1115
1116                 }
1117
1118                 memcpy(currentEntry, dirent, reqd); /* Copy the data in ... */
1119
1120                 currentEntry->comment = &currentEntry->name[0] +
1121                                                 dirent->namelen + 1;
1122
1123                 ndir += reqd;
1124                 rem -= reqd;
1125
1126                 /* Try and align the struct for the next entry
1127                    on a valid pointer boundary by appending zeros */
1128                 while((rem > 0) && ((unsigned long long)ndir & (sizeof(void*) - 1))) {
1129                         *ndir = '\0';
1130                         rem--;
1131                         ndir++;
1132                         currentEntry->dirlen++;
1133                 }
1134
1135                 dir->dir_next = dirlist = dirlist -> next;
1136         }
1137
1138         TALLOC_FREE(frame);
1139
1140         if (rem == count)
1141                 return 0;
1142         else
1143                 return count - rem;
1144
1145 }
1146
1147 /*
1148  * Routine to create a directory ...
1149  */
1150
1151 int
1152 SMBC_mkdir_ctx(SMBCCTX *context,
1153                const char *fname,
1154                mode_t mode)
1155 {
1156         SMBCSRV *srv = NULL;
1157         char *server = NULL;
1158         char *share = NULL;
1159         char *user = NULL;
1160         char *password = NULL;
1161         char *workgroup = NULL;
1162         char *path = NULL;
1163         char *targetpath = NULL;
1164         struct cli_state *targetcli = NULL;
1165         TALLOC_CTX *frame = talloc_stackframe();
1166         NTSTATUS status;
1167
1168         if (!context || !context->internal->initialized) {
1169                 errno = EINVAL;
1170                 TALLOC_FREE(frame);
1171                 return -1;
1172         }
1173
1174         if (!fname) {
1175                 errno = EINVAL;
1176                 TALLOC_FREE(frame);
1177                 return -1;
1178         }
1179
1180         DEBUG(4, ("smbc_mkdir(%s)\n", fname));
1181
1182         if (SMBC_parse_path(frame,
1183                             context,
1184                             fname,
1185                             &workgroup,
1186                             &server,
1187                             &share,
1188                             &path,
1189                             &user,
1190                             &password,
1191                             NULL)) {
1192                 errno = EINVAL;
1193                 TALLOC_FREE(frame);
1194                 return -1;
1195         }
1196
1197         if (!user || user[0] == (char)0) {
1198                 user = talloc_strdup(frame, smbc_getUser(context));
1199                 if (!user) {
1200                         errno = ENOMEM;
1201                         TALLOC_FREE(frame);
1202                         return -1;
1203                 }
1204         }
1205
1206         srv = SMBC_server(frame, context, True,
1207                           server, share, &workgroup, &user, &password);
1208
1209         if (!srv) {
1210
1211                 TALLOC_FREE(frame);
1212                 return -1;  /* errno set by SMBC_server */
1213
1214         }
1215
1216         /*d_printf(">>>mkdir: resolving %s\n", path);*/
1217         status = cli_resolve_path(frame, "", context->internal->auth_info,
1218                                   srv->cli, path, &targetcli, &targetpath);
1219         if (!NT_STATUS_IS_OK(status)) {
1220                 d_printf("Could not resolve %s\n", path);
1221                 errno = ENOENT;
1222                 TALLOC_FREE(frame);
1223                 return -1;
1224         }
1225         /*d_printf(">>>mkdir: resolved path as %s\n", targetpath);*/
1226
1227         if (!NT_STATUS_IS_OK(cli_mkdir(targetcli, targetpath))) {
1228                 errno = SMBC_errno(context, targetcli);
1229                 TALLOC_FREE(frame);
1230                 return -1;
1231
1232         }
1233
1234         TALLOC_FREE(frame);
1235         return 0;
1236
1237 }
1238
1239 /*
1240  * Our list function simply checks to see if a directory is not empty
1241  */
1242
1243 static NTSTATUS
1244 rmdir_list_fn(const char *mnt,
1245               struct file_info *finfo,
1246               const char *mask,
1247               void *state)
1248 {
1249         if (strncmp(finfo->name, ".", 1) != 0 &&
1250             strncmp(finfo->name, "..", 2) != 0) {
1251                 bool *smbc_rmdir_dirempty = (bool *)state;
1252                 *smbc_rmdir_dirempty = false;
1253         }
1254         return NT_STATUS_OK;
1255 }
1256
1257 /*
1258  * Routine to remove a directory
1259  */
1260
1261 int
1262 SMBC_rmdir_ctx(SMBCCTX *context,
1263                const char *fname)
1264 {
1265         SMBCSRV *srv = NULL;
1266         char *server = NULL;
1267         char *share = NULL;
1268         char *user = NULL;
1269         char *password = NULL;
1270         char *workgroup = NULL;
1271         char *path = NULL;
1272         char *targetpath = NULL;
1273         struct cli_state *targetcli = NULL;
1274         TALLOC_CTX *frame = talloc_stackframe();
1275         NTSTATUS status;
1276
1277         if (!context || !context->internal->initialized) {
1278                 errno = EINVAL;
1279                 TALLOC_FREE(frame);
1280                 return -1;
1281         }
1282
1283         if (!fname) {
1284                 errno = EINVAL;
1285                 TALLOC_FREE(frame);
1286                 return -1;
1287         }
1288
1289         DEBUG(4, ("smbc_rmdir(%s)\n", fname));
1290
1291         if (SMBC_parse_path(frame,
1292                             context,
1293                             fname,
1294                             &workgroup,
1295                             &server,
1296                             &share,
1297                             &path,
1298                             &user,
1299                             &password,
1300                             NULL)) {
1301                 errno = EINVAL;
1302                 TALLOC_FREE(frame);
1303                 return -1;
1304         }
1305
1306         if (!user || user[0] == (char)0) {
1307                 user = talloc_strdup(frame, smbc_getUser(context));
1308                 if (!user) {
1309                         errno = ENOMEM;
1310                         TALLOC_FREE(frame);
1311                         return -1;
1312                 }
1313         }
1314
1315         srv = SMBC_server(frame, context, True,
1316                           server, share, &workgroup, &user, &password);
1317
1318         if (!srv) {
1319
1320                 TALLOC_FREE(frame);
1321                 return -1;  /* errno set by SMBC_server */
1322
1323         }
1324
1325         /*d_printf(">>>rmdir: resolving %s\n", path);*/
1326         status = cli_resolve_path(frame, "", context->internal->auth_info,
1327                                   srv->cli, path, &targetcli, &targetpath);
1328         if (!NT_STATUS_IS_OK(status)) {
1329                 d_printf("Could not resolve %s\n", path);
1330                 errno = ENOENT;
1331                 TALLOC_FREE(frame);
1332                 return -1;
1333         }
1334         /*d_printf(">>>rmdir: resolved path as %s\n", targetpath);*/
1335
1336         if (!NT_STATUS_IS_OK(cli_rmdir(targetcli, targetpath))) {
1337
1338                 errno = SMBC_errno(context, targetcli);
1339
1340                 if (errno == EACCES) {  /* Check if the dir empty or not */
1341
1342                         /* Local storage to avoid buffer overflows */
1343                         char *lpath;
1344                         bool smbc_rmdir_dirempty = true;
1345
1346                         lpath = talloc_asprintf(frame, "%s\\*",
1347                                                 targetpath);
1348                         if (!lpath) {
1349                                 errno = ENOMEM;
1350                                 TALLOC_FREE(frame);
1351                                 return -1;
1352                         }
1353
1354                         status = cli_list(targetcli, lpath,
1355                                           FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_SYSTEM | FILE_ATTRIBUTE_HIDDEN,
1356                                           rmdir_list_fn,
1357                                           &smbc_rmdir_dirempty);
1358
1359                         if (!NT_STATUS_IS_OK(status)) {
1360                                 /* Fix errno to ignore latest error ... */
1361                                 DEBUG(5, ("smbc_rmdir: "
1362                                           "cli_list returned an error: %d\n",
1363                                           SMBC_errno(context, targetcli)));
1364                                 errno = EACCES;
1365
1366                         }
1367
1368                         if (smbc_rmdir_dirempty)
1369                                 errno = EACCES;
1370                         else
1371                                 errno = ENOTEMPTY;
1372
1373                 }
1374
1375                 TALLOC_FREE(frame);
1376                 return -1;
1377
1378         }
1379
1380         TALLOC_FREE(frame);
1381         return 0;
1382
1383 }
1384
1385 /*
1386  * Routine to return the current directory position
1387  */
1388
1389 off_t
1390 SMBC_telldir_ctx(SMBCCTX *context,
1391                  SMBCFILE *dir)
1392 {
1393         TALLOC_CTX *frame = talloc_stackframe();
1394
1395         if (!context || !context->internal->initialized) {
1396
1397                 errno = EINVAL;
1398                 TALLOC_FREE(frame);
1399                 return -1;
1400
1401         }
1402
1403         if (!dir || !SMBC_dlist_contains(context->internal->files, dir)) {
1404
1405                 errno = EBADF;
1406                 TALLOC_FREE(frame);
1407                 return -1;
1408
1409         }
1410
1411         if (dir->file != False) { /* FIXME, should be dir, perhaps */
1412
1413                 errno = ENOTDIR;
1414                 TALLOC_FREE(frame);
1415                 return -1;
1416
1417         }
1418
1419         /* See if we're already at the end. */
1420         if (dir->dir_next == NULL) {
1421                 /* We are. */
1422                 TALLOC_FREE(frame);
1423                 return -1;
1424         }
1425
1426         /*
1427          * We return the pointer here as the offset
1428          */
1429         TALLOC_FREE(frame);
1430         return (off_t)(long)dir->dir_next->dirent;
1431 }
1432
1433 /*
1434  * A routine to run down the list and see if the entry is OK
1435  */
1436
1437 static struct smbc_dir_list *
1438 check_dir_ent(struct smbc_dir_list *list,
1439               struct smbc_dirent *dirent)
1440 {
1441
1442         /* Run down the list looking for what we want */
1443
1444         if (dirent) {
1445
1446                 struct smbc_dir_list *tmp = list;
1447
1448                 while (tmp) {
1449
1450                         if (tmp->dirent == dirent)
1451                                 return tmp;
1452
1453                         tmp = tmp->next;
1454
1455                 }
1456
1457         }
1458
1459         return NULL;  /* Not found, or an error */
1460
1461 }
1462
1463
1464 /*
1465  * Routine to seek on a directory
1466  */
1467
1468 int
1469 SMBC_lseekdir_ctx(SMBCCTX *context,
1470                   SMBCFILE *dir,
1471                   off_t offset)
1472 {
1473         long int l_offset = offset;  /* Handle problems of size */
1474         struct smbc_dirent *dirent = (struct smbc_dirent *)l_offset;
1475         struct smbc_dir_list *list_ent = (struct smbc_dir_list *)NULL;
1476         TALLOC_CTX *frame = talloc_stackframe();
1477
1478         if (!context || !context->internal->initialized) {
1479
1480                 errno = EINVAL;
1481                 TALLOC_FREE(frame);
1482                 return -1;
1483
1484         }
1485
1486         if (dir->file != False) { /* FIXME, should be dir, perhaps */
1487
1488                 errno = ENOTDIR;
1489                 TALLOC_FREE(frame);
1490                 return -1;
1491
1492         }
1493
1494         /* Now, check what we were passed and see if it is OK ... */
1495
1496         if (dirent == NULL) {  /* Seek to the begining of the list */
1497
1498                 dir->dir_next = dir->dir_list;
1499                 TALLOC_FREE(frame);
1500                 return 0;
1501
1502         }
1503
1504         if (offset == -1) {     /* Seek to the end of the list */
1505                 dir->dir_next = NULL;
1506                 TALLOC_FREE(frame);
1507                 return 0;
1508         }
1509
1510         /* Now, run down the list and make sure that the entry is OK       */
1511         /* This may need to be changed if we change the format of the list */
1512
1513         if ((list_ent = check_dir_ent(dir->dir_list, dirent)) == NULL) {
1514                 errno = EINVAL;   /* Bad entry */
1515                 TALLOC_FREE(frame);
1516                 return -1;
1517         }
1518
1519         dir->dir_next = list_ent;
1520
1521         TALLOC_FREE(frame);
1522         return 0;
1523 }
1524
1525 /*
1526  * Routine to fstat a dir
1527  */
1528
1529 int
1530 SMBC_fstatdir_ctx(SMBCCTX *context,
1531                   SMBCFILE *dir,
1532                   struct stat *st)
1533 {
1534
1535         if (!context || !context->internal->initialized) {
1536
1537                 errno = EINVAL;
1538                 return -1;
1539         }
1540
1541         /* No code yet ... */
1542         return 0;
1543 }
1544
1545 int
1546 SMBC_chmod_ctx(SMBCCTX *context,
1547                const char *fname,
1548                mode_t newmode)
1549 {
1550         SMBCSRV *srv = NULL;
1551         char *server = NULL;
1552         char *share = NULL;
1553         char *user = NULL;
1554         char *password = NULL;
1555         char *workgroup = NULL;
1556         char *targetpath = NULL;
1557         struct cli_state *targetcli = NULL;
1558         char *path = NULL;
1559         uint16 mode;
1560         TALLOC_CTX *frame = talloc_stackframe();
1561         NTSTATUS status;
1562
1563         if (!context || !context->internal->initialized) {
1564
1565                 errno = EINVAL;  /* Best I can think of ... */
1566                 TALLOC_FREE(frame);
1567                 return -1;
1568         }
1569
1570         if (!fname) {
1571                 errno = EINVAL;
1572                 TALLOC_FREE(frame);
1573                 return -1;
1574         }
1575
1576         DEBUG(4, ("smbc_chmod(%s, 0%3o)\n", fname, (unsigned int)newmode));
1577
1578         if (SMBC_parse_path(frame,
1579                             context,
1580                             fname,
1581                             &workgroup,
1582                             &server,
1583                             &share,
1584                             &path,
1585                             &user,
1586                             &password,
1587                             NULL)) {
1588                 errno = EINVAL;
1589                 TALLOC_FREE(frame);
1590                 return -1;
1591         }
1592
1593         if (!user || user[0] == (char)0) {
1594                 user = talloc_strdup(frame, smbc_getUser(context));
1595                 if (!user) {
1596                         errno = ENOMEM;
1597                         TALLOC_FREE(frame);
1598                         return -1;
1599                 }
1600         }
1601
1602         srv = SMBC_server(frame, context, True,
1603                           server, share, &workgroup, &user, &password);
1604
1605         if (!srv) {
1606                 TALLOC_FREE(frame);
1607                 return -1;  /* errno set by SMBC_server */
1608         }
1609
1610         /*d_printf(">>>unlink: resolving %s\n", path);*/
1611         status = cli_resolve_path(frame, "", context->internal->auth_info,
1612                                   srv->cli, path, &targetcli, &targetpath);
1613         if (!NT_STATUS_IS_OK(status)) {
1614                 d_printf("Could not resolve %s\n", path);
1615                 errno = ENOENT;
1616                 TALLOC_FREE(frame);
1617                 return -1;
1618         }
1619
1620         mode = 0;
1621
1622         if (!(newmode & (S_IWUSR | S_IWGRP | S_IWOTH))) mode |= FILE_ATTRIBUTE_READONLY;
1623         if ((newmode & S_IXUSR) && lp_map_archive(-1)) mode |= FILE_ATTRIBUTE_ARCHIVE;
1624         if ((newmode & S_IXGRP) && lp_map_system(-1)) mode |= FILE_ATTRIBUTE_SYSTEM;
1625         if ((newmode & S_IXOTH) && lp_map_hidden(-1)) mode |= FILE_ATTRIBUTE_HIDDEN;
1626
1627         if (!NT_STATUS_IS_OK(cli_setatr(targetcli, targetpath, mode, 0))) {
1628                 errno = SMBC_errno(context, targetcli);
1629                 TALLOC_FREE(frame);
1630                 return -1;
1631         }
1632
1633         TALLOC_FREE(frame);
1634         return 0;
1635 }
1636
1637 int
1638 SMBC_utimes_ctx(SMBCCTX *context,
1639                 const char *fname,
1640                 struct timeval *tbuf)
1641 {
1642         SMBCSRV *srv = NULL;
1643         char *server = NULL;
1644         char *share = NULL;
1645         char *user = NULL;
1646         char *password = NULL;
1647         char *workgroup = NULL;
1648         char *path = NULL;
1649         time_t access_time;
1650         time_t write_time;
1651         TALLOC_CTX *frame = talloc_stackframe();
1652
1653         if (!context || !context->internal->initialized) {
1654
1655                 errno = EINVAL;  /* Best I can think of ... */
1656                 TALLOC_FREE(frame);
1657                 return -1;
1658         }
1659
1660         if (!fname) {
1661                 errno = EINVAL;
1662                 TALLOC_FREE(frame);
1663                 return -1;
1664         }
1665
1666         if (tbuf == NULL) {
1667                 access_time = write_time = time(NULL);
1668         } else {
1669                 access_time = tbuf[0].tv_sec;
1670                 write_time = tbuf[1].tv_sec;
1671         }
1672
1673         if (DEBUGLVL(4)) {
1674                 char *p;
1675                 char atimebuf[32];
1676                 char mtimebuf[32];
1677
1678                 strncpy(atimebuf, ctime(&access_time), sizeof(atimebuf) - 1);
1679                 atimebuf[sizeof(atimebuf) - 1] = '\0';
1680                 if ((p = strchr(atimebuf, '\n')) != NULL) {
1681                         *p = '\0';
1682                 }
1683
1684                 strncpy(mtimebuf, ctime(&write_time), sizeof(mtimebuf) - 1);
1685                 mtimebuf[sizeof(mtimebuf) - 1] = '\0';
1686                 if ((p = strchr(mtimebuf, '\n')) != NULL) {
1687                         *p = '\0';
1688                 }
1689
1690                 dbgtext("smbc_utimes(%s, atime = %s mtime = %s)\n",
1691                         fname, atimebuf, mtimebuf);
1692         }
1693
1694         if (SMBC_parse_path(frame,
1695                             context,
1696                             fname,
1697                             &workgroup,
1698                             &server,
1699                             &share,
1700                             &path,
1701                             &user,
1702                             &password,
1703                             NULL)) {
1704                 errno = EINVAL;
1705                 TALLOC_FREE(frame);
1706                 return -1;
1707         }
1708
1709         if (!user || user[0] == (char)0) {
1710                 user = talloc_strdup(frame, smbc_getUser(context));
1711                 if (!user) {
1712                         errno = ENOMEM;
1713                         TALLOC_FREE(frame);
1714                         return -1;
1715                 }
1716         }
1717
1718         srv = SMBC_server(frame, context, True,
1719                           server, share, &workgroup, &user, &password);
1720
1721         if (!srv) {
1722                 TALLOC_FREE(frame);
1723                 return -1;      /* errno set by SMBC_server */
1724         }
1725
1726         if (!SMBC_setatr(context, srv, path,
1727                          0, access_time, write_time, 0, 0)) {
1728                 TALLOC_FREE(frame);
1729                 return -1;      /* errno set by SMBC_setatr */
1730         }
1731
1732         TALLOC_FREE(frame);
1733         return 0;
1734 }
1735
1736 /*
1737  * Routine to unlink() a file
1738  */
1739
1740 int
1741 SMBC_unlink_ctx(SMBCCTX *context,
1742                 const char *fname)
1743 {
1744         char *server = NULL;
1745         char *share = NULL;
1746         char *user = NULL;
1747         char *password = NULL;
1748         char *workgroup = NULL;
1749         char *path = NULL;
1750         char *targetpath = NULL;
1751         struct cli_state *targetcli = NULL;
1752         SMBCSRV *srv = NULL;
1753         TALLOC_CTX *frame = talloc_stackframe();
1754         NTSTATUS status;
1755
1756         if (!context || !context->internal->initialized) {
1757
1758                 errno = EINVAL;  /* Best I can think of ... */
1759                 TALLOC_FREE(frame);
1760                 return -1;
1761
1762         }
1763
1764         if (!fname) {
1765                 errno = EINVAL;
1766                 TALLOC_FREE(frame);
1767                 return -1;
1768
1769         }
1770
1771         if (SMBC_parse_path(frame,
1772                             context,
1773                             fname,
1774                             &workgroup,
1775                             &server,
1776                             &share,
1777                             &path,
1778                             &user,
1779                             &password,
1780                             NULL)) {
1781                 errno = EINVAL;
1782                 TALLOC_FREE(frame);
1783                 return -1;
1784         }
1785
1786         if (!user || user[0] == (char)0) {
1787                 user = talloc_strdup(frame, smbc_getUser(context));
1788                 if (!user) {
1789                         errno = ENOMEM;
1790                         TALLOC_FREE(frame);
1791                         return -1;
1792                 }
1793         }
1794
1795         srv = SMBC_server(frame, context, True,
1796                           server, share, &workgroup, &user, &password);
1797
1798         if (!srv) {
1799                 TALLOC_FREE(frame);
1800                 return -1;  /* SMBC_server sets errno */
1801
1802         }
1803
1804         /*d_printf(">>>unlink: resolving %s\n", path);*/
1805         status = cli_resolve_path(frame, "", context->internal->auth_info,
1806                                   srv->cli, path, &targetcli, &targetpath);
1807         if (!NT_STATUS_IS_OK(status)) {
1808                 d_printf("Could not resolve %s\n", path);
1809                 errno = ENOENT;
1810                 TALLOC_FREE(frame);
1811                 return -1;
1812         }
1813         /*d_printf(">>>unlink: resolved path as %s\n", targetpath);*/
1814
1815         if (!NT_STATUS_IS_OK(cli_unlink(targetcli, targetpath, FILE_ATTRIBUTE_SYSTEM | FILE_ATTRIBUTE_HIDDEN))) {
1816
1817                 errno = SMBC_errno(context, targetcli);
1818
1819                 if (errno == EACCES) { /* Check if the file is a directory */
1820
1821                         int saverr = errno;
1822                         off_t size = 0;
1823                         uint16 mode = 0;
1824                         struct timespec write_time_ts;
1825                         struct timespec access_time_ts;
1826                         struct timespec change_time_ts;
1827                         SMB_INO_T ino = 0;
1828
1829                         if (!SMBC_getatr(context, srv, path, &mode, &size,
1830                                          NULL,
1831                                          &access_time_ts,
1832                                          &write_time_ts,
1833                                          &change_time_ts,
1834                                          &ino)) {
1835
1836                                 /* Hmmm, bad error ... What? */
1837
1838                                 errno = SMBC_errno(context, targetcli);
1839                                 TALLOC_FREE(frame);
1840                                 return -1;
1841
1842                         }
1843                         else {
1844
1845                                 if (IS_DOS_DIR(mode))
1846                                         errno = EISDIR;
1847                                 else
1848                                         errno = saverr;  /* Restore this */
1849
1850                         }
1851                 }
1852
1853                 TALLOC_FREE(frame);
1854                 return -1;
1855
1856         }
1857
1858         TALLOC_FREE(frame);
1859         return 0;  /* Success ... */
1860
1861 }
1862
1863 /*
1864  * Routine to rename() a file
1865  */
1866
1867 int
1868 SMBC_rename_ctx(SMBCCTX *ocontext,
1869                 const char *oname,
1870                 SMBCCTX *ncontext,
1871                 const char *nname)
1872 {
1873         char *server1 = NULL;
1874         char *share1 = NULL;
1875         char *server2 = NULL;
1876         char *share2 = NULL;
1877         char *user1 = NULL;
1878         char *user2 = NULL;
1879         char *password1 = NULL;
1880         char *password2 = NULL;
1881         char *workgroup = NULL;
1882         char *path1 = NULL;
1883         char *path2 = NULL;
1884         char *targetpath1 = NULL;
1885         char *targetpath2 = NULL;
1886         struct cli_state *targetcli1 = NULL;
1887         struct cli_state *targetcli2 = NULL;
1888         SMBCSRV *srv = NULL;
1889         TALLOC_CTX *frame = talloc_stackframe();
1890         NTSTATUS status;
1891
1892         if (!ocontext || !ncontext ||
1893             !ocontext->internal->initialized ||
1894             !ncontext->internal->initialized) {
1895
1896                 errno = EINVAL;  /* Best I can think of ... */
1897                 TALLOC_FREE(frame);
1898                 return -1;
1899         }
1900
1901         if (!oname || !nname) {
1902                 errno = EINVAL;
1903                 TALLOC_FREE(frame);
1904                 return -1;
1905         }
1906
1907         DEBUG(4, ("smbc_rename(%s,%s)\n", oname, nname));
1908
1909         if (SMBC_parse_path(frame,
1910                             ocontext,
1911                             oname,
1912                             &workgroup,
1913                             &server1,
1914                             &share1,
1915                             &path1,
1916                             &user1,
1917                             &password1,
1918                             NULL)) {
1919                 errno = EINVAL;
1920                 TALLOC_FREE(frame);
1921                 return -1;
1922         }
1923
1924         if (!user1 || user1[0] == (char)0) {
1925                 user1 = talloc_strdup(frame, smbc_getUser(ocontext));
1926                 if (!user1) {
1927                         errno = ENOMEM;
1928                         TALLOC_FREE(frame);
1929                         return -1;
1930                 }
1931         }
1932
1933         if (SMBC_parse_path(frame,
1934                             ncontext,
1935                             nname,
1936                             NULL,
1937                             &server2,
1938                             &share2,
1939                             &path2,
1940                             &user2,
1941                             &password2,
1942                             NULL)) {
1943                 errno = EINVAL;
1944                 TALLOC_FREE(frame);
1945                 return -1;
1946         }
1947
1948         if (!user2 || user2[0] == (char)0) {
1949                 user2 = talloc_strdup(frame, smbc_getUser(ncontext));
1950                 if (!user2) {
1951                         errno = ENOMEM;
1952                         TALLOC_FREE(frame);
1953                         return -1;
1954                 }
1955         }
1956
1957         if (strcmp(server1, server2) || strcmp(share1, share2) ||
1958             strcmp(user1, user2)) {
1959                 /* Can't rename across file systems, or users?? */
1960                 errno = EXDEV;
1961                 TALLOC_FREE(frame);
1962                 return -1;
1963         }
1964
1965         srv = SMBC_server(frame, ocontext, True,
1966                           server1, share1, &workgroup, &user1, &password1);
1967         if (!srv) {
1968                 TALLOC_FREE(frame);
1969                 return -1;
1970
1971         }
1972
1973         /* set the credentials to make DFS work */
1974         smbc_set_credentials_with_fallback(ocontext,
1975                                            workgroup,
1976                                            user1,
1977                                            password1);
1978
1979         /*d_printf(">>>rename: resolving %s\n", path1);*/
1980         status = cli_resolve_path(frame, "", ocontext->internal->auth_info,
1981                                   srv->cli, path1, &targetcli1, &targetpath1);
1982         if (!NT_STATUS_IS_OK(status)) {
1983                 d_printf("Could not resolve %s\n", path1);
1984                 errno = ENOENT;
1985                 TALLOC_FREE(frame);
1986                 return -1;
1987         }
1988
1989         /* set the credentials to make DFS work */
1990         smbc_set_credentials_with_fallback(ncontext,
1991                                            workgroup,
1992                                            user2,
1993                                            password2);
1994
1995         /*d_printf(">>>rename: resolved path as %s\n", targetpath1);*/
1996         /*d_printf(">>>rename: resolving %s\n", path2);*/
1997         status = cli_resolve_path(frame, "", ncontext->internal->auth_info,
1998                                   srv->cli, path2, &targetcli2, &targetpath2);
1999         if (!NT_STATUS_IS_OK(status)) {
2000                 d_printf("Could not resolve %s\n", path2);
2001                 errno = ENOENT;
2002                 TALLOC_FREE(frame);
2003                 return -1;
2004         }
2005         /*d_printf(">>>rename: resolved path as %s\n", targetpath2);*/
2006
2007         if (strcmp(smbXcli_conn_remote_name(targetcli1->conn), smbXcli_conn_remote_name(targetcli2->conn)) ||
2008             strcmp(targetcli1->share, targetcli2->share))
2009         {
2010                 /* can't rename across file systems */
2011                 errno = EXDEV;
2012                 TALLOC_FREE(frame);
2013                 return -1;
2014         }
2015
2016         if (!NT_STATUS_IS_OK(cli_rename(targetcli1, targetpath1, targetpath2))) {
2017                 int eno = SMBC_errno(ocontext, targetcli1);
2018
2019                 if (eno != EEXIST ||
2020                     !NT_STATUS_IS_OK(cli_unlink(targetcli1, targetpath2, FILE_ATTRIBUTE_SYSTEM | FILE_ATTRIBUTE_HIDDEN)) ||
2021                     !NT_STATUS_IS_OK(cli_rename(targetcli1, targetpath1, targetpath2))) {
2022
2023                         errno = eno;
2024                         TALLOC_FREE(frame);
2025                         return -1;
2026
2027                 }
2028         }
2029
2030         TALLOC_FREE(frame);
2031         return 0; /* Success */
2032 }
2033