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