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 "popt_common.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->desthost);
 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                         if (!cli_resolve_path(frame, "", context->internal->auth_info,
 811                                                 srv->cli, path,
 812                                                 &targetcli, &targetpath)) {
 813                                 d_printf("Could not resolve %s\n", path);
 814                                 if (dir) {
 815                                         SAFE_FREE(dir->fname);
 816                                         SAFE_FREE(dir);
 817                                 }
 818                                 TALLOC_FREE(frame);
 819                                 return NULL;
 820                         }
 821
 822                         status = cli_list(targetcli, targetpath,
 823                                           FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_SYSTEM | FILE_ATTRIBUTE_HIDDEN,
 824                                           dir_list_fn, (void *)dir);
 825                         if (!NT_STATUS_IS_OK(status)) {
 826                                 if (dir) {
 827                                         SAFE_FREE(dir->fname);
 828                                         SAFE_FREE(dir);
 829                                 }
 830                                 saved_errno = SMBC_errno(context, targetcli);
 831
 832                                 if (saved_errno == EINVAL) {
 833                                         /*
 834                                          * See if they asked to opendir
 835                                          * something other than a directory.
 836                                          * If so, the converted error value we
 837                                          * got would have been EINVAL rather
 838                                          * than ENOTDIR.
 839                                          */
 840                                         *p = '\0'; /* restore original path */
 841
 842                                         if (SMBC_getatr(context, srv, path,
 843                                                         &mode, NULL,
 844                                                         NULL, NULL, NULL, NULL,
 845                                                         NULL) &&
 846                                             ! IS_DOS_DIR(mode)) {
 847
 848                                                 /* It is.  Correct the error value */
 849                                                 saved_errno = ENOTDIR;
 850                                         }
 851                                 }
 852
 853                                 /*
 854                                  * If there was an error and the server is no
 855                                  * good any more...
 856                                  */
 857                                 if (cli_is_error(targetcli) &&
 858                                     smbc_getFunctionCheckServer(context)(context, srv)) {
 859
 860                                         /* ... then remove it. */
 861                                         if (smbc_getFunctionRemoveUnusedServer(context)(context,
 862                                                                                         srv)) {
 863                                                 /*
 864                                                  * We could not remove the
 865                                                  * server completely, remove
 866                                                  * it from the cache so we
 867                                                  * will not get it again. It
 868                                                  * will be removed when the
 869                                                  * last file/dir is closed.
 870                                                  */
 871                                                 smbc_getFunctionRemoveCachedServer(context)(context, srv);
 872                                         }
 873                                 }
 874
 875                                 TALLOC_FREE(frame);
 876                                 errno = saved_errno;
 877                                 return NULL;
 878                         }
 879                 }
 880
 881         }
 882
 883         DLIST_ADD(context->internal->files, dir);
 884         TALLOC_FREE(frame);
 885         return dir;
 886
 887 }
 888
 889 /*
 890  * Routine to close a directory
 891  */
 892
 893 int
 894 SMBC_closedir_ctx(SMBCCTX *context,
 895                   SMBCFILE *dir)
 896 {
 897         TALLOC_CTX *frame = talloc_stackframe();
 898
 899         if (!context || !context->internal->initialized) {
 900                 errno = EINVAL;
 901                 TALLOC_FREE(frame);
 902                 return -1;
 903         }
 904
 905         if (!dir || !SMBC_dlist_contains(context->internal->files, dir)) {
 906                 errno = EBADF;
 907                 TALLOC_FREE(frame);
 908                 return -1;
 909         }
 910
 911         remove_dir(dir); /* Clean it up */
 912
 913         DLIST_REMOVE(context->internal->files, dir);
 914
 915         if (dir) {
 916
 917                 SAFE_FREE(dir->fname);
 918                 SAFE_FREE(dir);    /* Free the space too */
 919         }
 920
 921         TALLOC_FREE(frame);
 922         return 0;
 923
 924 }
 925
 926 static void
 927 smbc_readdir_internal(SMBCCTX * context,
 928                       struct smbc_dirent *dest,
 929                       struct smbc_dirent *src,
 930                       int max_namebuf_len)
 931 {
 932         if (smbc_getOptionUrlEncodeReaddirEntries(context)) {
 933
 934                 /* url-encode the name.  get back remaining buffer space */
 935                 max_namebuf_len =
 936                         smbc_urlencode(dest->name, src->name, max_namebuf_len);
 937
 938                 /* We now know the name length */
 939                 dest->namelen = strlen(dest->name);
 940
 941                 /* Save the pointer to the beginning of the comment */
 942                 dest->comment = dest->name + dest->namelen + 1;
 943
 944                 /* Copy the comment */
 945                 strncpy(dest->comment, src->comment, max_namebuf_len - 1);
 946                 dest->comment[max_namebuf_len - 1] = '\0';
 947
 948                 /* Save other fields */
 949                 dest->smbc_type = src->smbc_type;
 950                 dest->commentlen = strlen(dest->comment);
 951                 dest->dirlen = ((dest->comment + dest->commentlen + 1) -
 952                                 (char *) dest);
 953         } else {
 954
 955                 /* No encoding.  Just copy the entry as is. */
 956                 memcpy(dest, src, src->dirlen);
 957                 dest->comment = (char *)(&dest->name + src->namelen + 1);
 958         }
 959
 960 }
 961
 962 /*
 963  * Routine to get a directory entry
 964  */
 965
 966 struct smbc_dirent *
 967 SMBC_readdir_ctx(SMBCCTX *context,
 968                  SMBCFILE *dir)
 969 {
 970         int maxlen;
 971         struct smbc_dirent *dirp, *dirent;
 972         TALLOC_CTX *frame = talloc_stackframe();
 973
 974         /* Check that all is ok first ... */
 975
 976         if (!context || !context->internal->initialized) {
 977
 978                 errno = EINVAL;
 979                 DEBUG(0, ("Invalid context in SMBC_readdir_ctx()\n"));
 980                 TALLOC_FREE(frame);
 981                 return NULL;
 982
 983         }
 984
 985         if (!dir || !SMBC_dlist_contains(context->internal->files, dir)) {
 986
 987                 errno = EBADF;
 988                 DEBUG(0, ("Invalid dir in SMBC_readdir_ctx()\n"));
 989                 TALLOC_FREE(frame);
 990                 return NULL;
 991
 992         }
 993
 994         if (dir->file != False) { /* FIXME, should be dir, perhaps */
 995
 996                 errno = ENOTDIR;
 997                 DEBUG(0, ("Found file vs directory in SMBC_readdir_ctx()\n"));
 998                 TALLOC_FREE(frame);
 999                 return NULL;
1000
1001         }
1002
1003         if (!dir->dir_next) {
1004                 TALLOC_FREE(frame);
1005                 return NULL;
1006         }
1007
1008         dirent = dir->dir_next->dirent;
1009         if (!dirent) {
1010
1011                 errno = ENOENT;
1012                 TALLOC_FREE(frame);
1013                 return NULL;
1014
1015         }
1016
1017         dirp = &context->internal->dirent;
1018         maxlen = sizeof(context->internal->_dirent_name);
1019
1020         smbc_readdir_internal(context, dirp, dirent, maxlen);
1021
1022         dir->dir_next = dir->dir_next->next;
1023
1024         TALLOC_FREE(frame);
1025         return dirp;
1026 }
1027
1028 /*
1029  * Routine to get directory entries
1030  */
1031
1032 int
1033 SMBC_getdents_ctx(SMBCCTX *context,
1034                   SMBCFILE *dir,
1035                   struct smbc_dirent *dirp,
1036                   int count)
1037 {
1038         int rem = count;
1039         int reqd;
1040         int maxlen;
1041         char *ndir = (char *)dirp;
1042         struct smbc_dir_list *dirlist;
1043         TALLOC_CTX *frame = talloc_stackframe();
1044
1045         /* Check that all is ok first ... */
1046
1047         if (!context || !context->internal->initialized) {
1048
1049                 errno = EINVAL;
1050                 TALLOC_FREE(frame);
1051                 return -1;
1052
1053         }
1054
1055         if (!dir || !SMBC_dlist_contains(context->internal->files, dir)) {
1056
1057                 errno = EBADF;
1058                 TALLOC_FREE(frame);
1059                 return -1;
1060
1061         }
1062
1063         if (dir->file != False) { /* FIXME, should be dir, perhaps */
1064
1065                 errno = ENOTDIR;
1066                 TALLOC_FREE(frame);
1067                 return -1;
1068
1069         }
1070
1071         /*
1072          * Now, retrieve the number of entries that will fit in what was passed
1073          * We have to figure out if the info is in the list, or we need to
1074          * send a request to the server to get the info.
1075          */
1076
1077         while ((dirlist = dir->dir_next)) {
1078                 struct smbc_dirent *dirent;
1079                 struct smbc_dirent *currentEntry = (struct smbc_dirent *)ndir;
1080
1081                 if (!dirlist->dirent) {
1082
1083                         errno = ENOENT;  /* Bad error */
1084                         TALLOC_FREE(frame);
1085                         return -1;
1086
1087                 }
1088
1089                 /* Do urlencoding of next entry, if so selected */
1090                 dirent = &context->internal->dirent;
1091                 maxlen = sizeof(context->internal->_dirent_name);
1092                 smbc_readdir_internal(context, dirent,
1093                                       dirlist->dirent, maxlen);
1094
1095                 reqd = dirent->dirlen;
1096
1097                 if (rem < reqd) {
1098
1099                         if (rem < count) { /* We managed to copy something */
1100
1101                                 errno = 0;
1102                                 TALLOC_FREE(frame);
1103                                 return count - rem;
1104
1105                         }
1106                         else { /* Nothing copied ... */
1107
1108                                 errno = EINVAL;  /* Not enough space ... */
1109                                 TALLOC_FREE(frame);
1110                                 return -1;
1111
1112                         }
1113
1114                 }
1115
1116                 memcpy(currentEntry, dirent, reqd); /* Copy the data in ... */
1117
1118                 currentEntry->comment = &currentEntry->name[0] +
1119                                                 dirent->namelen + 1;
1120
1121                 ndir += reqd;
1122                 rem -= reqd;
1123
1124                 /* Try and align the struct for the next entry
1125                    on a valid pointer boundary by appending zeros */
1126                 while((rem > 0) && ((unsigned long long)ndir & (sizeof(void*) - 1))) {
1127                         *ndir = '\0';
1128                         rem--;
1129                         ndir++;
1130                         currentEntry->dirlen++;
1131                 }
1132
1133                 dir->dir_next = dirlist = dirlist -> next;
1134         }
1135
1136         TALLOC_FREE(frame);
1137
1138         if (rem == count)
1139                 return 0;
1140         else
1141                 return count - rem;
1142
1143 }
1144
1145 /*
1146  * Routine to create a directory ...
1147  */
1148
1149 int
1150 SMBC_mkdir_ctx(SMBCCTX *context,
1151                const char *fname,
1152                mode_t mode)
1153 {
1154         SMBCSRV *srv = NULL;
1155         char *server = NULL;
1156         char *share = NULL;
1157         char *user = NULL;
1158         char *password = NULL;
1159         char *workgroup = NULL;
1160         char *path = NULL;
1161         char *targetpath = NULL;
1162         struct cli_state *targetcli = NULL;
1163         TALLOC_CTX *frame = talloc_stackframe();
1164
1165         if (!context || !context->internal->initialized) {
1166                 errno = EINVAL;
1167                 TALLOC_FREE(frame);
1168                 return -1;
1169         }
1170
1171         if (!fname) {
1172                 errno = EINVAL;
1173                 TALLOC_FREE(frame);
1174                 return -1;
1175         }
1176
1177         DEBUG(4, ("smbc_mkdir(%s)\n", fname));
1178
1179         if (SMBC_parse_path(frame,
1180                             context,
1181                             fname,
1182                             &workgroup,
1183                             &server,
1184                             &share,
1185                             &path,
1186                             &user,
1187                             &password,
1188                             NULL)) {
1189                 errno = EINVAL;
1190                 TALLOC_FREE(frame);
1191                 return -1;
1192         }
1193
1194         if (!user || user[0] == (char)0) {
1195                 user = talloc_strdup(frame, smbc_getUser(context));
1196                 if (!user) {
1197                         errno = ENOMEM;
1198                         TALLOC_FREE(frame);
1199                         return -1;
1200                 }
1201         }
1202
1203         srv = SMBC_server(frame, context, True,
1204                           server, share, &workgroup, &user, &password);
1205
1206         if (!srv) {
1207
1208                 TALLOC_FREE(frame);
1209                 return -1;  /* errno set by SMBC_server */
1210
1211         }
1212
1213         /*d_printf(">>>mkdir: resolving %s\n", path);*/
1214         if (!cli_resolve_path(frame, "", context->internal->auth_info,
1215                                 srv->cli, path,
1216                                 &targetcli, &targetpath)) {
1217                 d_printf("Could not resolve %s\n", path);
1218                 errno = ENOENT;
1219                 TALLOC_FREE(frame);
1220                 return -1;
1221         }
1222         /*d_printf(">>>mkdir: resolved path as %s\n", targetpath);*/
1223
1224         if (!NT_STATUS_IS_OK(cli_mkdir(targetcli, targetpath))) {
1225                 errno = SMBC_errno(context, targetcli);
1226                 TALLOC_FREE(frame);
1227                 return -1;
1228
1229         }
1230
1231         TALLOC_FREE(frame);
1232         return 0;
1233
1234 }
1235
1236 /*
1237  * Our list function simply checks to see if a directory is not empty
1238  */
1239
1240 static NTSTATUS
1241 rmdir_list_fn(const char *mnt,
1242               struct file_info *finfo,
1243               const char *mask,
1244               void *state)
1245 {
1246         if (strncmp(finfo->name, ".", 1) != 0 &&
1247             strncmp(finfo->name, "..", 2) != 0) {
1248                 bool *smbc_rmdir_dirempty = (bool *)state;
1249                 *smbc_rmdir_dirempty = false;
1250         }
1251         return NT_STATUS_OK;
1252 }
1253
1254 /*
1255  * Routine to remove a directory
1256  */
1257
1258 int
1259 SMBC_rmdir_ctx(SMBCCTX *context,
1260                const char *fname)
1261 {
1262         SMBCSRV *srv = NULL;
1263         char *server = NULL;
1264         char *share = NULL;
1265         char *user = NULL;
1266         char *password = NULL;
1267         char *workgroup = NULL;
1268         char *path = NULL;
1269         char *targetpath = NULL;
1270         struct cli_state *targetcli = NULL;
1271         TALLOC_CTX *frame = talloc_stackframe();
1272
1273         if (!context || !context->internal->initialized) {
1274                 errno = EINVAL;
1275                 TALLOC_FREE(frame);
1276                 return -1;
1277         }
1278
1279         if (!fname) {
1280                 errno = EINVAL;
1281                 TALLOC_FREE(frame);
1282                 return -1;
1283         }
1284
1285         DEBUG(4, ("smbc_rmdir(%s)\n", fname));
1286
1287         if (SMBC_parse_path(frame,
1288                             context,
1289                             fname,
1290                             &workgroup,
1291                             &server,
1292                             &share,
1293                             &path,
1294                             &user,
1295                             &password,
1296                             NULL)) {
1297                 errno = EINVAL;
1298                 TALLOC_FREE(frame);
1299                 return -1;
1300         }
1301
1302         if (!user || user[0] == (char)0) {
1303                 user = talloc_strdup(frame, smbc_getUser(context));
1304                 if (!user) {
1305                         errno = ENOMEM;
1306                         TALLOC_FREE(frame);
1307                         return -1;
1308                 }
1309         }
1310
1311         srv = SMBC_server(frame, context, True,
1312                           server, share, &workgroup, &user, &password);
1313
1314         if (!srv) {
1315
1316                 TALLOC_FREE(frame);
1317                 return -1;  /* errno set by SMBC_server */
1318
1319         }
1320
1321         /*d_printf(">>>rmdir: resolving %s\n", path);*/
1322         if (!cli_resolve_path(frame, "", context->internal->auth_info,
1323                                 srv->cli, path,
1324                                 &targetcli, &targetpath)) {
1325                 d_printf("Could not resolve %s\n", path);
1326                 errno = ENOENT;
1327                 TALLOC_FREE(frame);
1328                 return -1;
1329         }
1330         /*d_printf(">>>rmdir: resolved path as %s\n", targetpath);*/
1331
1332         if (!NT_STATUS_IS_OK(cli_rmdir(targetcli, targetpath))) {
1333
1334                 errno = SMBC_errno(context, targetcli);
1335
1336                 if (errno == EACCES) {  /* Check if the dir empty or not */
1337
1338                         /* Local storage to avoid buffer overflows */
1339                         char *lpath;
1340                         bool smbc_rmdir_dirempty = true;
1341                         NTSTATUS status;
1342
1343                         lpath = talloc_asprintf(frame, "%s\\*",
1344                                                 targetpath);
1345                         if (!lpath) {
1346                                 errno = ENOMEM;
1347                                 TALLOC_FREE(frame);
1348                                 return -1;
1349                         }
1350
1351                         status = cli_list(targetcli, lpath,
1352                                           FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_SYSTEM | FILE_ATTRIBUTE_HIDDEN,
1353                                           rmdir_list_fn,
1354                                           &smbc_rmdir_dirempty);
1355
1356                         if (!NT_STATUS_IS_OK(status)) {
1357                                 /* Fix errno to ignore latest error ... */
1358                                 DEBUG(5, ("smbc_rmdir: "
1359                                           "cli_list returned an error: %d\n",
1360                                           SMBC_errno(context, targetcli)));
1361                                 errno = EACCES;
1362
1363                         }
1364
1365                         if (smbc_rmdir_dirempty)
1366                                 errno = EACCES;
1367                         else
1368                                 errno = ENOTEMPTY;
1369
1370                 }
1371
1372                 TALLOC_FREE(frame);
1373                 return -1;
1374
1375         }
1376
1377         TALLOC_FREE(frame);
1378         return 0;
1379
1380 }
1381
1382 /*
1383  * Routine to return the current directory position
1384  */
1385
1386 off_t
1387 SMBC_telldir_ctx(SMBCCTX *context,
1388                  SMBCFILE *dir)
1389 {
1390         TALLOC_CTX *frame = talloc_stackframe();
1391
1392         if (!context || !context->internal->initialized) {
1393
1394                 errno = EINVAL;
1395                 TALLOC_FREE(frame);
1396                 return -1;
1397
1398         }
1399
1400         if (!dir || !SMBC_dlist_contains(context->internal->files, dir)) {
1401
1402                 errno = EBADF;
1403                 TALLOC_FREE(frame);
1404                 return -1;
1405
1406         }
1407
1408         if (dir->file != False) { /* FIXME, should be dir, perhaps */
1409
1410                 errno = ENOTDIR;
1411                 TALLOC_FREE(frame);
1412                 return -1;
1413
1414         }
1415
1416         /* See if we're already at the end. */
1417         if (dir->dir_next == NULL) {
1418                 /* We are. */
1419                 TALLOC_FREE(frame);
1420                 return -1;
1421         }
1422
1423         /*
1424          * We return the pointer here as the offset
1425          */
1426         TALLOC_FREE(frame);
1427         return (off_t)(long)dir->dir_next->dirent;
1428 }
1429
1430 /*
1431  * A routine to run down the list and see if the entry is OK
1432  */
1433
1434 static struct smbc_dir_list *
1435 check_dir_ent(struct smbc_dir_list *list,
1436               struct smbc_dirent *dirent)
1437 {
1438
1439         /* Run down the list looking for what we want */
1440
1441         if (dirent) {
1442
1443                 struct smbc_dir_list *tmp = list;
1444
1445                 while (tmp) {
1446
1447                         if (tmp->dirent == dirent)
1448                                 return tmp;
1449
1450                         tmp = tmp->next;
1451
1452                 }
1453
1454         }
1455
1456         return NULL;  /* Not found, or an error */
1457
1458 }
1459
1460
1461 /*
1462  * Routine to seek on a directory
1463  */
1464
1465 int
1466 SMBC_lseekdir_ctx(SMBCCTX *context,
1467                   SMBCFILE *dir,
1468                   off_t offset)
1469 {
1470         long int l_offset = offset;  /* Handle problems of size */
1471         struct smbc_dirent *dirent = (struct smbc_dirent *)l_offset;
1472         struct smbc_dir_list *list_ent = (struct smbc_dir_list *)NULL;
1473         TALLOC_CTX *frame = talloc_stackframe();
1474
1475         if (!context || !context->internal->initialized) {
1476
1477                 errno = EINVAL;
1478                 TALLOC_FREE(frame);
1479                 return -1;
1480
1481         }
1482
1483         if (dir->file != False) { /* FIXME, should be dir, perhaps */
1484
1485                 errno = ENOTDIR;
1486                 TALLOC_FREE(frame);
1487                 return -1;
1488
1489         }
1490
1491         /* Now, check what we were passed and see if it is OK ... */
1492
1493         if (dirent == NULL) {  /* Seek to the begining of the list */
1494
1495                 dir->dir_next = dir->dir_list;
1496                 TALLOC_FREE(frame);
1497                 return 0;
1498
1499         }
1500
1501         if (offset == -1) {     /* Seek to the end of the list */
1502                 dir->dir_next = NULL;
1503                 TALLOC_FREE(frame);
1504                 return 0;
1505         }
1506
1507         /* Now, run down the list and make sure that the entry is OK       */
1508         /* This may need to be changed if we change the format of the list */
1509
1510         if ((list_ent = check_dir_ent(dir->dir_list, dirent)) == NULL) {
1511                 errno = EINVAL;   /* Bad entry */
1512                 TALLOC_FREE(frame);
1513                 return -1;
1514         }
1515
1516         dir->dir_next = list_ent;
1517
1518         TALLOC_FREE(frame);
1519         return 0;
1520 }
1521
1522 /*
1523  * Routine to fstat a dir
1524  */
1525
1526 int
1527 SMBC_fstatdir_ctx(SMBCCTX *context,
1528                   SMBCFILE *dir,
1529                   struct stat *st)
1530 {
1531
1532         if (!context || !context->internal->initialized) {
1533
1534                 errno = EINVAL;
1535                 return -1;
1536         }
1537
1538         /* No code yet ... */
1539         return 0;
1540 }
1541
1542 int
1543 SMBC_chmod_ctx(SMBCCTX *context,
1544                const char *fname,
1545                mode_t newmode)
1546 {
1547         SMBCSRV *srv = NULL;
1548         char *server = NULL;
1549         char *share = NULL;
1550         char *user = NULL;
1551         char *password = NULL;
1552         char *workgroup = NULL;
1553         char *targetpath = NULL;
1554         struct cli_state *targetcli = NULL;
1555         char *path = NULL;
1556         uint16 mode;
1557         TALLOC_CTX *frame = talloc_stackframe();
1558
1559         if (!context || !context->internal->initialized) {
1560
1561                 errno = EINVAL;  /* Best I can think of ... */
1562                 TALLOC_FREE(frame);
1563                 return -1;
1564         }
1565
1566         if (!fname) {
1567                 errno = EINVAL;
1568                 TALLOC_FREE(frame);
1569                 return -1;
1570         }
1571
1572         DEBUG(4, ("smbc_chmod(%s, 0%3o)\n", fname, (unsigned int)newmode));
1573
1574         if (SMBC_parse_path(frame,
1575                             context,
1576                             fname,
1577                             &workgroup,
1578                             &server,
1579                             &share,
1580                             &path,
1581                             &user,
1582                             &password,
1583                             NULL)) {
1584                 errno = EINVAL;
1585                 TALLOC_FREE(frame);
1586                 return -1;
1587         }
1588
1589         if (!user || user[0] == (char)0) {
1590                 user = talloc_strdup(frame, smbc_getUser(context));
1591                 if (!user) {
1592                         errno = ENOMEM;
1593                         TALLOC_FREE(frame);
1594                         return -1;
1595                 }
1596         }
1597
1598         srv = SMBC_server(frame, context, True,
1599                           server, share, &workgroup, &user, &password);
1600
1601         if (!srv) {
1602                 TALLOC_FREE(frame);
1603                 return -1;  /* errno set by SMBC_server */
1604         }
1605
1606         /*d_printf(">>>unlink: resolving %s\n", path);*/
1607         if (!cli_resolve_path(frame, "", context->internal->auth_info,
1608                                 srv->cli, path,
1609                                 &targetcli, &targetpath)) {
1610                 d_printf("Could not resolve %s\n", path);
1611                 errno = ENOENT;
1612                 TALLOC_FREE(frame);
1613                 return -1;
1614         }
1615
1616         mode = 0;
1617
1618         if (!(newmode & (S_IWUSR | S_IWGRP | S_IWOTH))) mode |= FILE_ATTRIBUTE_READONLY;
1619         if ((newmode & S_IXUSR) && lp_map_archive(-1)) mode |= FILE_ATTRIBUTE_ARCHIVE;
1620         if ((newmode & S_IXGRP) && lp_map_system(-1)) mode |= FILE_ATTRIBUTE_SYSTEM;
1621         if ((newmode & S_IXOTH) && lp_map_hidden(-1)) mode |= FILE_ATTRIBUTE_HIDDEN;
1622
1623         if (!NT_STATUS_IS_OK(cli_setatr(targetcli, targetpath, mode, 0))) {
1624                 errno = SMBC_errno(context, targetcli);
1625                 TALLOC_FREE(frame);
1626                 return -1;
1627         }
1628
1629         TALLOC_FREE(frame);
1630         return 0;
1631 }
1632
1633 int
1634 SMBC_utimes_ctx(SMBCCTX *context,
1635                 const char *fname,
1636                 struct timeval *tbuf)
1637 {
1638         SMBCSRV *srv = NULL;
1639         char *server = NULL;
1640         char *share = NULL;
1641         char *user = NULL;
1642         char *password = NULL;
1643         char *workgroup = NULL;
1644         char *path = NULL;
1645         time_t access_time;
1646         time_t write_time;
1647         TALLOC_CTX *frame = talloc_stackframe();
1648
1649         if (!context || !context->internal->initialized) {
1650
1651                 errno = EINVAL;  /* Best I can think of ... */
1652                 TALLOC_FREE(frame);
1653                 return -1;
1654         }
1655
1656         if (!fname) {
1657                 errno = EINVAL;
1658                 TALLOC_FREE(frame);
1659                 return -1;
1660         }
1661
1662         if (tbuf == NULL) {
1663                 access_time = write_time = time(NULL);
1664         } else {
1665                 access_time = tbuf[0].tv_sec;
1666                 write_time = tbuf[1].tv_sec;
1667         }
1668
1669         if (DEBUGLVL(4)) {
1670                 char *p;
1671                 char atimebuf[32];
1672                 char mtimebuf[32];
1673
1674                 strncpy(atimebuf, ctime(&access_time), sizeof(atimebuf) - 1);
1675                 atimebuf[sizeof(atimebuf) - 1] = '\0';
1676                 if ((p = strchr(atimebuf, '\n')) != NULL) {
1677                         *p = '\0';
1678                 }
1679
1680                 strncpy(mtimebuf, ctime(&write_time), sizeof(mtimebuf) - 1);
1681                 mtimebuf[sizeof(mtimebuf) - 1] = '\0';
1682                 if ((p = strchr(mtimebuf, '\n')) != NULL) {
1683                         *p = '\0';
1684                 }
1685
1686                 dbgtext("smbc_utimes(%s, atime = %s mtime = %s)\n",
1687                         fname, atimebuf, mtimebuf);
1688         }
1689
1690         if (SMBC_parse_path(frame,
1691                             context,
1692                             fname,
1693                             &workgroup,
1694                             &server,
1695                             &share,
1696                             &path,
1697                             &user,
1698                             &password,
1699                             NULL)) {
1700                 errno = EINVAL;
1701                 TALLOC_FREE(frame);
1702                 return -1;
1703         }
1704
1705         if (!user || user[0] == (char)0) {
1706                 user = talloc_strdup(frame, smbc_getUser(context));
1707                 if (!user) {
1708                         errno = ENOMEM;
1709                         TALLOC_FREE(frame);
1710                         return -1;
1711                 }
1712         }
1713
1714         srv = SMBC_server(frame, context, True,
1715                           server, share, &workgroup, &user, &password);
1716
1717         if (!srv) {
1718                 TALLOC_FREE(frame);
1719                 return -1;      /* errno set by SMBC_server */
1720         }
1721
1722         if (!SMBC_setatr(context, srv, path,
1723                          0, access_time, write_time, 0, 0)) {
1724                 TALLOC_FREE(frame);
1725                 return -1;      /* errno set by SMBC_setatr */
1726         }
1727
1728         TALLOC_FREE(frame);
1729         return 0;
1730 }
1731
1732 /*
1733  * Routine to unlink() a file
1734  */
1735
1736 int
1737 SMBC_unlink_ctx(SMBCCTX *context,
1738                 const char *fname)
1739 {
1740         char *server = NULL;
1741         char *share = NULL;
1742         char *user = NULL;
1743         char *password = NULL;
1744         char *workgroup = NULL;
1745         char *path = NULL;
1746         char *targetpath = NULL;
1747         struct cli_state *targetcli = NULL;
1748         SMBCSRV *srv = NULL;
1749         TALLOC_CTX *frame = talloc_stackframe();
1750
1751         if (!context || !context->internal->initialized) {
1752
1753                 errno = EINVAL;  /* Best I can think of ... */
1754                 TALLOC_FREE(frame);
1755                 return -1;
1756
1757         }
1758
1759         if (!fname) {
1760                 errno = EINVAL;
1761                 TALLOC_FREE(frame);
1762                 return -1;
1763
1764         }
1765
1766         if (SMBC_parse_path(frame,
1767                             context,
1768                             fname,
1769                             &workgroup,
1770                             &server,
1771                             &share,
1772                             &path,
1773                             &user,
1774                             &password,
1775                             NULL)) {
1776                 errno = EINVAL;
1777                 TALLOC_FREE(frame);
1778                 return -1;
1779         }
1780
1781         if (!user || user[0] == (char)0) {
1782                 user = talloc_strdup(frame, smbc_getUser(context));
1783                 if (!user) {
1784                         errno = ENOMEM;
1785                         TALLOC_FREE(frame);
1786                         return -1;
1787                 }
1788         }
1789
1790         srv = SMBC_server(frame, context, True,
1791                           server, share, &workgroup, &user, &password);
1792
1793         if (!srv) {
1794                 TALLOC_FREE(frame);
1795                 return -1;  /* SMBC_server sets errno */
1796
1797         }
1798
1799         /*d_printf(">>>unlink: resolving %s\n", path);*/
1800         if (!cli_resolve_path(frame, "", context->internal->auth_info,
1801                                 srv->cli, path,
1802                                 &targetcli, &targetpath)) {
1803                 d_printf("Could not resolve %s\n", path);
1804                 errno = ENOENT;
1805                 TALLOC_FREE(frame);
1806                 return -1;
1807         }
1808         /*d_printf(">>>unlink: resolved path as %s\n", targetpath);*/
1809
1810         if (!NT_STATUS_IS_OK(cli_unlink(targetcli, targetpath, FILE_ATTRIBUTE_SYSTEM | FILE_ATTRIBUTE_HIDDEN))) {
1811
1812                 errno = SMBC_errno(context, targetcli);
1813
1814                 if (errno == EACCES) { /* Check if the file is a directory */
1815
1816                         int saverr = errno;
1817                         SMB_OFF_T size = 0;
1818                         uint16 mode = 0;
1819                         struct timespec write_time_ts;
1820                         struct timespec access_time_ts;
1821                         struct timespec change_time_ts;
1822                         SMB_INO_T ino = 0;
1823
1824                         if (!SMBC_getatr(context, srv, path, &mode, &size,
1825                                          NULL,
1826                                          &access_time_ts,
1827                                          &write_time_ts,
1828                                          &change_time_ts,
1829                                          &ino)) {
1830
1831                                 /* Hmmm, bad error ... What? */
1832
1833                                 errno = SMBC_errno(context, targetcli);
1834                                 TALLOC_FREE(frame);
1835                                 return -1;
1836
1837                         }
1838                         else {
1839
1840                                 if (IS_DOS_DIR(mode))
1841                                         errno = EISDIR;
1842                                 else
1843                                         errno = saverr;  /* Restore this */
1844
1845                         }
1846                 }
1847
1848                 TALLOC_FREE(frame);
1849                 return -1;
1850
1851         }
1852
1853         TALLOC_FREE(frame);
1854         return 0;  /* Success ... */
1855
1856 }
1857
1858 /*
1859  * Routine to rename() a file
1860  */
1861
1862 int
1863 SMBC_rename_ctx(SMBCCTX *ocontext,
1864                 const char *oname,
1865                 SMBCCTX *ncontext,
1866                 const char *nname)
1867 {
1868         char *server1 = NULL;
1869         char *share1 = NULL;
1870         char *server2 = NULL;
1871         char *share2 = NULL;
1872         char *user1 = NULL;
1873         char *user2 = NULL;
1874         char *password1 = NULL;
1875         char *password2 = NULL;
1876         char *workgroup = NULL;
1877         char *path1 = NULL;
1878         char *path2 = NULL;
1879         char *targetpath1 = NULL;
1880         char *targetpath2 = NULL;
1881         struct cli_state *targetcli1 = NULL;
1882         struct cli_state *targetcli2 = NULL;
1883         SMBCSRV *srv = NULL;
1884         TALLOC_CTX *frame = talloc_stackframe();
1885
1886         if (!ocontext || !ncontext ||
1887             !ocontext->internal->initialized ||
1888             !ncontext->internal->initialized) {
1889
1890                 errno = EINVAL;  /* Best I can think of ... */
1891                 TALLOC_FREE(frame);
1892                 return -1;
1893         }
1894
1895         if (!oname || !nname) {
1896                 errno = EINVAL;
1897                 TALLOC_FREE(frame);
1898                 return -1;
1899         }
1900
1901         DEBUG(4, ("smbc_rename(%s,%s)\n", oname, nname));
1902
1903         if (SMBC_parse_path(frame,
1904                             ocontext,
1905                             oname,
1906                             &workgroup,
1907                             &server1,
1908                             &share1,
1909                             &path1,
1910                             &user1,
1911                             &password1,
1912                             NULL)) {
1913                 errno = EINVAL;
1914                 TALLOC_FREE(frame);
1915                 return -1;
1916         }
1917
1918         if (!user1 || user1[0] == (char)0) {
1919                 user1 = talloc_strdup(frame, smbc_getUser(ocontext));
1920                 if (!user1) {
1921                         errno = ENOMEM;
1922                         TALLOC_FREE(frame);
1923                         return -1;
1924                 }
1925         }
1926
1927         if (SMBC_parse_path(frame,
1928                             ncontext,
1929                             nname,
1930                             NULL,
1931                             &server2,
1932                             &share2,
1933                             &path2,
1934                             &user2,
1935                             &password2,
1936                             NULL)) {
1937                 errno = EINVAL;
1938                 TALLOC_FREE(frame);
1939                 return -1;
1940         }
1941
1942         if (!user2 || user2[0] == (char)0) {
1943                 user2 = talloc_strdup(frame, smbc_getUser(ncontext));
1944                 if (!user2) {
1945                         errno = ENOMEM;
1946                         TALLOC_FREE(frame);
1947                         return -1;
1948                 }
1949         }
1950
1951         if (strcmp(server1, server2) || strcmp(share1, share2) ||
1952             strcmp(user1, user2)) {
1953                 /* Can't rename across file systems, or users?? */
1954                 errno = EXDEV;
1955                 TALLOC_FREE(frame);
1956                 return -1;
1957         }
1958
1959         srv = SMBC_server(frame, ocontext, True,
1960                           server1, share1, &workgroup, &user1, &password1);
1961         if (!srv) {
1962                 TALLOC_FREE(frame);
1963                 return -1;
1964
1965         }
1966
1967         /* set the credentials to make DFS work */
1968         smbc_set_credentials_with_fallback(ocontext,
1969                                            workgroup,
1970                                            user1,
1971                                            password1);
1972
1973         /*d_printf(">>>rename: resolving %s\n", path1);*/
1974         if (!cli_resolve_path(frame, "", ocontext->internal->auth_info,
1975                                 srv->cli,
1976                                 path1,
1977                                 &targetcli1, &targetpath1)) {
1978                 d_printf("Could not resolve %s\n", path1);
1979                 errno = ENOENT;
1980                 TALLOC_FREE(frame);
1981                 return -1;
1982         }
1983
1984         /* set the credentials to make DFS work */
1985         smbc_set_credentials_with_fallback(ncontext,
1986                                            workgroup,
1987                                            user2,
1988                                            password2);
1989
1990         /*d_printf(">>>rename: resolved path as %s\n", targetpath1);*/
1991         /*d_printf(">>>rename: resolving %s\n", path2);*/
1992         if (!cli_resolve_path(frame, "", ncontext->internal->auth_info,
1993                                 srv->cli,
1994                                 path2,
1995                                 &targetcli2, &targetpath2)) {
1996                 d_printf("Could not resolve %s\n", path2);
1997                 errno = ENOENT;
1998                 TALLOC_FREE(frame);
1999                 return -1;
2000         }
2001         /*d_printf(">>>rename: resolved path as %s\n", targetpath2);*/
2002
2003         if (strcmp(targetcli1->desthost, targetcli2->desthost) ||
2004             strcmp(targetcli1->share, targetcli2->share))
2005         {
2006                 /* can't rename across file systems */
2007                 errno = EXDEV;
2008                 TALLOC_FREE(frame);
2009                 return -1;
2010         }
2011
2012         if (!NT_STATUS_IS_OK(cli_rename(targetcli1, targetpath1, targetpath2))) {
2013                 int eno = SMBC_errno(ocontext, targetcli1);
2014
2015                 if (eno != EEXIST ||
2016                     !NT_STATUS_IS_OK(cli_unlink(targetcli1, targetpath2, FILE_ATTRIBUTE_SYSTEM | FILE_ATTRIBUTE_HIDDEN)) ||
2017                     !NT_STATUS_IS_OK(cli_rename(targetcli1, targetpath1, targetpath2))) {
2018
2019                         errno = eno;
2020                         TALLOC_FREE(frame);
2021                         return -1;
2022
2023                 }
2024         }
2025
2026         TALLOC_FREE(frame);
2027         return 0; /* Success */
2028 }
2029