source/libsmb/libsmbclient.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, 2004
   9
  10    This program is free software; you can redistribute it and/or modify
  11    it under the terms of the GNU General Public License as published by
  12    the Free Software Foundation; either version 3 of the License, or
  13    (at your option) any later version.
  14
  15    This program is distributed in the hope that it will be useful,
  16    but WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18    GNU General Public License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  22 */
  23
  24 #include "includes.h"
  25
  26 #include "include/libsmb_internal.h"
  27
  28 struct smbc_dirent *smbc_readdir_ctx(SMBCCTX *context, SMBCFILE *dir);
  29 struct smbc_dir_list *smbc_check_dir_ent(struct smbc_dir_list *list,
  30                                          struct smbc_dirent *dirent);
  31
  32 /*
  33  * DOS Attribute values (used internally)
  34  */
  35 typedef struct DOS_ATTR_DESC {
  36         int mode;
  37         SMB_OFF_T size;
  38         time_t create_time;
  39         time_t access_time;
  40         time_t write_time;
  41         time_t change_time;
  42         SMB_INO_T inode;
  43 } DOS_ATTR_DESC;
  44
  45
  46 /*
  47  * Internal flags for extended attributes
  48  */
  49
  50 /* internal mode values */
  51 #define SMBC_XATTR_MODE_ADD          1
  52 #define SMBC_XATTR_MODE_REMOVE       2
  53 #define SMBC_XATTR_MODE_REMOVE_ALL   3
  54 #define SMBC_XATTR_MODE_SET          4
  55 #define SMBC_XATTR_MODE_CHOWN        5
  56 #define SMBC_XATTR_MODE_CHGRP        6
  57
  58 #define CREATE_ACCESS_READ      READ_CONTROL_ACCESS
  59
  60 /*We should test for this in configure ... */
  61 #ifndef ENOTSUP
  62 #define ENOTSUP EOPNOTSUPP
  63 #endif
  64
  65 /*
  66  * Functions exported by libsmb_cache.c that we need here
  67  */
  68 int smbc_default_cache_functions(SMBCCTX *context);
  69
  70 /*
  71  * check if an element is part of the list.
  72  * FIXME: Does not belong here !
  73  * Can anyone put this in a macro in dlinklist.h ?
  74  * -- Tom
  75  */
  76 static int DLIST_CONTAINS(SMBCFILE * list, SMBCFILE *p) {
  77         if (!p || !list) return False;
  78         do {
  79                 if (p == list) return True;
  80                 list = list->next;
  81         } while (list);
  82         return False;
  83 }
  84
  85 /*
  86  * Find an lsa pipe handle associated with a cli struct.
  87  */
  88 static struct rpc_pipe_client *
  89 find_lsa_pipe_hnd(struct cli_state *ipc_cli)
  90 {
  91         struct rpc_pipe_client *pipe_hnd;
  92
  93         for (pipe_hnd = ipc_cli->pipe_list;
  94              pipe_hnd;
  95              pipe_hnd = pipe_hnd->next) {
  96
  97                 if (pipe_hnd->pipe_idx == PI_LSARPC) {
  98                         return pipe_hnd;
  99                 }
 100         }
 101
 102         return NULL;
 103 }
 104
 105 static int
 106 smbc_close_ctx(SMBCCTX *context,
 107                SMBCFILE *file);
 108 static off_t
 109 smbc_lseek_ctx(SMBCCTX *context,
 110                SMBCFILE *file,
 111                off_t offset,
 112                int whence);
 113
 114 extern BOOL in_client;
 115
 116 /*
 117  * Is the logging working / configfile read ?
 118  */
 119 static int smbc_initialized = 0;
 120
 121 static int
 122 hex2int( unsigned int _char )
 123 {
 124     if ( _char >= 'A' && _char <='F')
 125         return _char - 'A' + 10;
 126     if ( _char >= 'a' && _char <='f')
 127         return _char - 'a' + 10;
 128     if ( _char >= '0' && _char <='9')
 129         return _char - '0';
 130     return -1;
 131 }
 132
 133 /*
 134  * smbc_urldecode()
 135  *
 136  * Convert strings of %xx to their single character equivalent.  Each 'x' must
 137  * be a valid hexadecimal digit, or that % sequence is left undecoded.
 138  *
 139  * dest may, but need not be, the same pointer as src.
 140  *
 141  * Returns the number of % sequences which could not be converted due to lack
 142  * of two following hexadecimal digits.
 143  */
 144 int
 145 smbc_urldecode(char *dest, char * src, size_t max_dest_len)
 146 {
 147         int old_length = strlen(src);
 148         int i = 0;
 149         int err_count = 0;
 150         pstring temp;
 151         char * p;
 152
 153         if ( old_length == 0 ) {
 154                 return 0;
 155         }
 156
 157         p = temp;
 158         while ( i < old_length ) {
 159                 unsigned char character = src[ i++ ];
 160
 161                 if (character == '%') {
 162                         int a = i+1 < old_length ? hex2int( src[i] ) : -1;
 163                         int b = i+1 < old_length ? hex2int( src[i+1] ) : -1;
 164
 165                         /* Replace valid sequence */
 166                         if (a != -1 && b != -1) {
 167
 168                                 /* Replace valid %xx sequence with %dd */
 169                                 character = (a * 16) + b;
 170
 171                                 if (character == '\0') {
 172                                         break; /* Stop at %00 */
 173                                 }
 174
 175                                 i += 2;
 176                         } else {
 177
 178                                 err_count++;
 179                         }
 180                 }
 181
 182                 *p++ = character;
 183         }
 184
 185         *p = '\0';
 186
 187         strncpy(dest, temp, max_dest_len - 1);
 188         dest[max_dest_len - 1] = '\0';
 189
 190         return err_count;
 191 }
 192
 193 /*
 194  * smbc_urlencode()
 195  *
 196  * Convert any characters not specifically allowed in a URL into their %xx
 197  * equivalent.
 198  *
 199  * Returns the remaining buffer length.
 200  */
 201 int
 202 smbc_urlencode(char * dest, char * src, int max_dest_len)
 203 {
 204         char hex[] = "0123456789ABCDEF";
 205
 206         for (; *src != '\0' && max_dest_len >= 3; src++) {
 207
 208                 if ((*src < '0' &&
 209                      *src != '-' &&
 210                      *src != '.') ||
 211                     (*src > '9' &&
 212                      *src < 'A') ||
 213                     (*src > 'Z' &&
 214                      *src < 'a' &&
 215                      *src != '_') ||
 216                     (*src > 'z')) {
 217                         *dest++ = '%';
 218                         *dest++ = hex[(*src >> 4) & 0x0f];
 219                         *dest++ = hex[*src & 0x0f];
 220                         max_dest_len -= 3;
 221                 } else {
 222                         *dest++ = *src;
 223                         max_dest_len--;
 224                 }
 225         }
 226
 227         *dest++ = '\0';
 228         max_dest_len--;
 229
 230         return max_dest_len;
 231 }
 232
 233 /*
 234  * Function to parse a path and turn it into components
 235  *
 236  * The general format of an SMB URI is explain in Christopher Hertel's CIFS
 237  * book, at http://ubiqx.org/cifs/Appendix-D.html.  We accept a subset of the
 238  * general format ("smb:" only; we do not look for "cifs:").
 239  *
 240  *
 241  * We accept:
 242  *  smb://[[[domain;]user[:password]@]server[/share[/path[/file]]]][?options]
 243  *
 244  * Meaning of URLs:
 245  *
 246  * smb://           Show all workgroups.
 247  *
 248  *                  The method of locating the list of workgroups varies
 249  *                  depending upon the setting of the context variable
 250  *                  context->options.browse_max_lmb_count.  This value
 251  *                  determine the maximum number of local master browsers to
 252  *                  query for the list of workgroups.  In order to ensure that
 253  *                  a complete list of workgroups is obtained, all master
 254  *                  browsers must be queried, but if there are many
 255  *                  workgroups, the time spent querying can begin to add up.
 256  *                  For small networks (not many workgroups), it is suggested
 257  *                  that this variable be set to 0, indicating query all local
 258  *                  master browsers.  When the network has many workgroups, a
 259  *                  reasonable setting for this variable might be around 3.
 260  *
 261  * smb://name/      if name<1D> or name<1B> exists, list servers in
 262  *                  workgroup, else, if name<20> exists, list all shares
 263  *                  for server ...
 264  *
 265  * If "options" are provided, this function returns the entire option list as a
 266  * string, for later parsing by the caller.  Note that currently, no options
 267  * are supported.
 268  */
 269
 270 static const char *smbc_prefix = "smb:";
 271
 272 static int
 273 smbc_parse_path(SMBCCTX *context,
 274                 const char *fname,
 275                 char *workgroup, int workgroup_len,
 276                 char *server, int server_len,
 277                 char *share, int share_len,
 278                 char *path, int path_len,
 279                 char *user, int user_len,
 280                 char *password, int password_len,
 281                 char *options, int options_len)
 282 {
 283         static pstring s;
 284         pstring userinfo;
 285         const char *p;
 286         char *q, *r;
 287         int len;
 288
 289         server[0] = share[0] = path[0] = user[0] = password[0] = (char)0;
 290
 291         /*
 292          * Assume we wont find an authentication domain to parse, so default
 293          * to the workgroup in the provided context.
 294          */
 295         if (workgroup != NULL) {
 296                 strncpy(workgroup, context->workgroup, workgroup_len - 1);
 297                 workgroup[workgroup_len - 1] = '\0';
 298         }
 299
 300         if (options != NULL && options_len > 0) {
 301                 options[0] = (char)0;
 302         }
 303         pstrcpy(s, fname);
 304
 305         /* see if it has the right prefix */
 306         len = strlen(smbc_prefix);
 307         if (strncmp(s,smbc_prefix,len) || (s[len] != '/' && s[len] != 0)) {
 308                 return -1; /* What about no smb: ? */
 309         }
 310
 311         p = s + len;
 312
 313         /* Watch the test below, we are testing to see if we should exit */
 314
 315         if (strncmp(p, "//", 2) && strncmp(p, "\\\\", 2)) {
 316
 317                 DEBUG(1, ("Invalid path (does not begin with smb://"));
 318                 return -1;
 319
 320         }
 321
 322         p += 2;  /* Skip the double slash */
 323
 324         /* See if any options were specified */
 325         if ((q = strrchr(p, '?')) != NULL ) {
 326                 /* There are options.  Null terminate here and point to them */
 327                 *q++ = '\0';
 328
 329                 DEBUG(4, ("Found options '%s'", q));
 330
 331                 /* Copy the options */
 332                 if (options != NULL && options_len > 0) {
 333                         safe_strcpy(options, q, options_len - 1);
 334                 }
 335         }
 336
 337         if (*p == (char)0)
 338             goto decoding;
 339
 340         if (*p == '/') {
 341                 int wl = strlen(context->workgroup);
 342
 343                 if (wl > 16) {
 344                         wl = 16;
 345                 }
 346
 347                 strncpy(server, context->workgroup, wl);
 348                 server[wl] = '\0';
 349                 return 0;
 350         }
 351
 352         /*
 353          * ok, its for us. Now parse out the server, share etc.
 354          *
 355          * However, we want to parse out [[domain;]user[:password]@] if it
 356          * exists ...
 357          */
 358
 359         /* check that '@' occurs before '/', if '/' exists at all */
 360         q = strchr_m(p, '@');
 361         r = strchr_m(p, '/');
 362         if (q && (!r || q < r)) {
 363                 pstring username, passwd, domain;
 364                 const char *u = userinfo;
 365
 366                 next_token_no_ltrim(&p, userinfo, "@", sizeof(fstring));
 367
 368                 username[0] = passwd[0] = domain[0] = 0;
 369
 370                 if (strchr_m(u, ';')) {
 371
 372                         next_token_no_ltrim(&u, domain, ";", sizeof(fstring));
 373
 374                 }
 375
 376                 if (strchr_m(u, ':')) {
 377
 378                         next_token_no_ltrim(&u, username, ":", sizeof(fstring));
 379
 380                         pstrcpy(passwd, u);
 381
 382                 }
 383                 else {
 384
 385                         pstrcpy(username, u);
 386
 387                 }
 388
 389                 if (domain[0] && workgroup) {
 390                         strncpy(workgroup, domain, workgroup_len - 1);
 391                         workgroup[workgroup_len - 1] = '\0';
 392                 }
 393
 394                 if (username[0]) {
 395                         strncpy(user, username, user_len - 1);
 396                         user[user_len - 1] = '\0';
 397                 }
 398
 399                 if (passwd[0]) {
 400                         strncpy(password, passwd, password_len - 1);
 401                         password[password_len - 1] = '\0';
 402                 }
 403
 404         }
 405
 406         if (!next_token(&p, server, "/", sizeof(fstring))) {
 407
 408                 return -1;
 409
 410         }
 411
 412         if (*p == (char)0) goto decoding;  /* That's it ... */
 413
 414         if (!next_token(&p, share, "/", sizeof(fstring))) {
 415
 416                 return -1;
 417
 418         }
 419
 420         /*
 421          * Prepend a leading slash if there's a file path, as required by
 422          * NetApp filers.
 423          */
 424         *path = '\0';
 425         if (*p != '\0') {
 426                 *path = '/';
 427                 safe_strcpy(path + 1, p, path_len - 2);
 428         }
 429
 430         all_string_sub(path, "/", "\\", 0);
 431
 432  decoding:
 433         (void) smbc_urldecode(path, path, path_len);
 434         (void) smbc_urldecode(server, server, server_len);
 435         (void) smbc_urldecode(share, share, share_len);
 436         (void) smbc_urldecode(user, user, user_len);
 437         (void) smbc_urldecode(password, password, password_len);
 438
 439         return 0;
 440 }
 441
 442 /*
 443  * Verify that the options specified in a URL are valid
 444  */
 445 static int
 446 smbc_check_options(char *server,
 447                    char *share,
 448                    char *path,
 449                    char *options)
 450 {
 451         DEBUG(4, ("smbc_check_options(): server='%s' share='%s' "
 452                   "path='%s' options='%s'\n",
 453                   server, share, path, options));
 454
 455         /* No options at all is always ok */
 456         if (! *options) return 0;
 457
 458         /* Currently, we don't support any options. */
 459         return -1;
 460 }
 461
 462 /*
 463  * Convert an SMB error into a UNIX error ...
 464  */
 465 static int
 466 smbc_errno(SMBCCTX *context,
 467            struct cli_state *c)
 468 {
 469         int ret = cli_errno(c);
 470
 471         if (cli_is_dos_error(c)) {
 472                 uint8 eclass;
 473                 uint32 ecode;
 474
 475                 cli_dos_error(c, &eclass, &ecode);
 476
 477                 DEBUG(3,("smbc_error %d %d (0x%x) -> %d\n",
 478                          (int)eclass, (int)ecode, (int)ecode, ret));
 479         } else {
 480                 NTSTATUS status;
 481
 482                 status = cli_nt_error(c);
 483
 484                 DEBUG(3,("smbc errno %s -> %d\n",
 485                          nt_errstr(status), ret));
 486         }
 487
 488         return ret;
 489 }
 490
 491 /*
 492  * Check a server for being alive and well.
 493  * returns 0 if the server is in shape. Returns 1 on error
 494  *
 495  * Also useable outside libsmbclient to enable external cache
 496  * to do some checks too.
 497  */
 498 static int
 499 smbc_check_server(SMBCCTX * context,
 500                   SMBCSRV * server)
 501 {
 502         socklen_t size;
 503         struct sockaddr addr;
 504
 505         size = sizeof(addr);
 506         return (getpeername(server->cli->fd, &addr, &size) == -1);
 507 }
 508
 509 /*
 510  * Remove a server from the cached server list it's unused.
 511  * On success, 0 is returned. 1 is returned if the server could not be removed.
 512  *
 513  * Also useable outside libsmbclient
 514  */
 515 int
 516 smbc_remove_unused_server(SMBCCTX * context,
 517                           SMBCSRV * srv)
 518 {
 519         SMBCFILE * file;
 520
 521         /* are we being fooled ? */
 522         if (!context || !context->internal ||
 523             !context->internal->_initialized || !srv) return 1;
 524
 525
 526         /* Check all open files/directories for a relation with this server */
 527         for (file = context->internal->_files; file; file=file->next) {
 528                 if (file->srv == srv) {
 529                         /* Still used */
 530                         DEBUG(3, ("smbc_remove_usused_server: "
 531                                   "%p still used by %p.\n",
 532                                   srv, file));
 533                         return 1;
 534                 }
 535         }
 536
 537         DLIST_REMOVE(context->internal->_servers, srv);
 538
 539         cli_shutdown(srv->cli);
 540         srv->cli = NULL;
 541
 542         DEBUG(3, ("smbc_remove_usused_server: %p removed.\n", srv));
 543
 544         (context->callbacks.remove_cached_srv_fn)(context, srv);
 545
 546         SAFE_FREE(srv);
 547
 548         return 0;
 549 }
 550
 551 static SMBCSRV *
 552 find_server(SMBCCTX *context,
 553             const char *server,
 554             const char *share,
 555             fstring workgroup,
 556             fstring username,
 557             fstring password)
 558 {
 559         SMBCSRV *srv;
 560         int auth_called = 0;
 561
 562  check_server_cache:
 563
 564         srv = (context->callbacks.get_cached_srv_fn)(context, server, share,
 565                                                      workgroup, username);
 566
 567         if (!auth_called && !srv && (!username[0] || !password[0])) {
 568                 if (context->internal->_auth_fn_with_context != NULL) {
 569                         (context->internal->_auth_fn_with_context)(
 570                                 context,
 571                                 server, share,
 572                                 workgroup, sizeof(fstring),
 573                                 username, sizeof(fstring),
 574                                 password, sizeof(fstring));
 575                 } else {
 576                         (context->callbacks.auth_fn)(
 577                                 server, share,
 578                                 workgroup, sizeof(fstring),
 579                                 username, sizeof(fstring),
 580                                 password, sizeof(fstring));
 581                 }
 582
 583                 /*
 584                  * However, smbc_auth_fn may have picked up info relating to
 585                  * an existing connection, so try for an existing connection
 586                  * again ...
 587                  */
 588                 auth_called = 1;
 589                 goto check_server_cache;
 590
 591         }
 592
 593         if (srv) {
 594                 if ((context->callbacks.check_server_fn)(context, srv)) {
 595                         /*
 596                          * This server is no good anymore
 597                          * Try to remove it and check for more possible
 598                          * servers in the cache
 599                          */
 600                         if ((context->callbacks.remove_unused_server_fn)(context,
 601                                                                          srv)) {
 602                                 /*
 603                                  * We could not remove the server completely,
 604                                  * remove it from the cache so we will not get
 605                                  * it again. It will be removed when the last
 606                                  * file/dir is closed.
 607                                  */
 608                                 (context->callbacks.remove_cached_srv_fn)(context,
 609                                                                           srv);
 610                         }
 611
 612                         /*
 613                          * Maybe there are more cached connections to this
 614                          * server
 615                          */
 616                         goto check_server_cache;
 617                 }
 618
 619                 return srv;
 620         }
 621
 622         return NULL;
 623 }
 624
 625 /*
 626  * Connect to a server, possibly on an existing connection
 627  *
 628  * Here, what we want to do is: If the server and username
 629  * match an existing connection, reuse that, otherwise, establish a
 630  * new connection.
 631  *
 632  * If we have to create a new connection, call the auth_fn to get the
 633  * info we need, unless the username and password were passed in.
 634  */
 635
 636 static SMBCSRV *
 637 smbc_server(SMBCCTX *context,
 638             BOOL connect_if_not_found,
 639             const char *server,
 640             const char *share,
 641             fstring workgroup,
 642             fstring username,
 643             fstring password)
 644 {
 645         SMBCSRV *srv=NULL;
 646         struct cli_state *c;
 647         struct nmb_name called, calling;
 648         const char *server_n = server;
 649         pstring ipenv;
 650         struct in_addr ip;
 651         int tried_reverse = 0;
 652         int port_try_first;
 653         int port_try_next;
 654         const char *username_used;
 655         NTSTATUS status;
 656
 657         zero_ip(&ip);
 658         ZERO_STRUCT(c);
 659
 660         if (server[0] == 0) {
 661                 errno = EPERM;
 662                 return NULL;
 663         }
 664
 665         /* Look for a cached connection */
 666         srv = find_server(context, server, share,
 667                           workgroup, username, password);
 668
 669         /*
 670          * If we found a connection and we're only allowed one share per
 671          * server...
 672          */
 673         if (srv && *share != '\0' && context->options.one_share_per_server) {
 674
 675                 /*
 676                  * ... then if there's no current connection to the share,
 677                  * connect to it.  find_server(), or rather the function
 678                  * pointed to by context->callbacks.get_cached_srv_fn which
 679                  * was called by find_server(), will have issued a tree
 680                  * disconnect if the requested share is not the same as the
 681                  * one that was already connected.
 682                  */
 683                 if (srv->cli->cnum == (uint16) -1) {
 684                         /* Ensure we have accurate auth info */
 685                         if (context->internal->_auth_fn_with_context != NULL) {
 686                                 (context->internal->_auth_fn_with_context)(
 687                                         context,
 688                                         server, share,
 689                                         workgroup, sizeof(fstring),
 690                                         username, sizeof(fstring),
 691                                         password, sizeof(fstring));
 692                         } else {
 693                                 (context->callbacks.auth_fn)(
 694                                         server, share,
 695                                         workgroup, sizeof(fstring),
 696                                         username, sizeof(fstring),
 697                                         password, sizeof(fstring));
 698                         }
 699
 700                         if (! cli_send_tconX(srv->cli, share, "?????",
 701                                              password, strlen(password)+1)) {
 702
 703                                 errno = smbc_errno(context, srv->cli);
 704                                 cli_shutdown(srv->cli);
 705                                 srv->cli = NULL;
 706                                 (context->callbacks.remove_cached_srv_fn)(context,
 707                                                                           srv);
 708                                 srv = NULL;
 709                         }
 710
 711                         /*
 712                          * Regenerate the dev value since it's based on both
 713                          * server and share
 714                          */
 715                         if (srv) {
 716                                 srv->dev = (dev_t)(str_checksum(server) ^
 717                                                    str_checksum(share));
 718                         }
 719                 }
 720         }
 721
 722         /* If we have a connection... */
 723         if (srv) {
 724
 725                 /* ... then we're done here.  Give 'em what they came for. */
 726                 return srv;
 727         }
 728
 729         /* If we're not asked to connect when a connection doesn't exist... */
 730         if (! connect_if_not_found) {
 731                 /* ... then we're done here. */
 732                 return NULL;
 733         }
 734
 735         make_nmb_name(&calling, context->netbios_name, 0x0);
 736         make_nmb_name(&called , server, 0x20);
 737
 738         DEBUG(4,("smbc_server: server_n=[%s] server=[%s]\n", server_n, server));
 739
 740         DEBUG(4,(" -> server_n=[%s] server=[%s]\n", server_n, server));
 741
 742  again:
 743         slprintf(ipenv,sizeof(ipenv)-1,"HOST_%s", server_n);
 744
 745         zero_ip(&ip);
 746
 747         /* have to open a new connection */
 748         if ((c = cli_initialise()) == NULL) {
 749                 errno = ENOMEM;
 750                 return NULL;
 751         }
 752
 753         if (context->flags & SMB_CTX_FLAG_USE_KERBEROS) {
 754                 c->use_kerberos = True;
 755         }
 756         if (context->flags & SMB_CTX_FLAG_FALLBACK_AFTER_KERBEROS) {
 757                 c->fallback_after_kerberos = True;
 758         }
 759
 760         c->timeout = context->timeout;
 761
 762         /*
 763          * Force use of port 139 for first try if share is $IPC, empty, or
 764          * null, so browse lists can work
 765          */
 766         if (share == NULL || *share == '\0' || strcmp(share, "IPC$") == 0) {
 767                 port_try_first = 139;
 768                 port_try_next = 445;
 769         } else {
 770                 port_try_first = 445;
 771                 port_try_next = 139;
 772         }
 773
 774         c->port = port_try_first;
 775
 776         status = cli_connect(c, server_n, &ip);
 777         if (!NT_STATUS_IS_OK(status)) {
 778
 779                 /* First connection attempt failed.  Try alternate port. */
 780                 c->port = port_try_next;
 781
 782                 status = cli_connect(c, server_n, &ip);
 783                 if (!NT_STATUS_IS_OK(status)) {
 784                         cli_shutdown(c);
 785                         errno = ETIMEDOUT;
 786                         return NULL;
 787                 }
 788         }
 789
 790         if (!cli_session_request(c, &calling, &called)) {
 791                 cli_shutdown(c);
 792                 if (strcmp(called.name, "*SMBSERVER")) {
 793                         make_nmb_name(&called , "*SMBSERVER", 0x20);
 794                         goto again;
 795                 } else {  /* Try one more time, but ensure we don't loop */
 796
 797                         /* Only try this if server is an IP address ... */
 798
 799                         if (is_ipaddress(server) && !tried_reverse) {
 800                                 fstring remote_name;
 801                                 struct in_addr rem_ip;
 802
 803                                 if ((rem_ip.s_addr=inet_addr(server)) == INADDR_NONE) {
 804                                         DEBUG(4, ("Could not convert IP address "
 805                                                 "%s to struct in_addr\n", server));
 806                                         errno = ETIMEDOUT;
 807                                         return NULL;
 808                                 }
 809
 810                                 tried_reverse++; /* Yuck */
 811
 812                                 if (name_status_find("*", 0, 0, rem_ip, remote_name)) {
 813                                         make_nmb_name(&called, remote_name, 0x20);
 814                                         goto again;
 815                                 }
 816                         }
 817                 }
 818                 errno = ETIMEDOUT;
 819                 return NULL;
 820         }
 821
 822         DEBUG(4,(" session request ok\n"));
 823
 824         if (!cli_negprot(c)) {
 825                 cli_shutdown(c);
 826                 errno = ETIMEDOUT;
 827                 return NULL;
 828         }
 829
 830         username_used = username;
 831
 832         if (!NT_STATUS_IS_OK(cli_session_setup(c, username_used,
 833                                                password, strlen(password),
 834                                                password, strlen(password),
 835                                                workgroup))) {
 836
 837                 /* Failed.  Try an anonymous login, if allowed by flags. */
 838                 username_used = "";
 839
 840                 if ((context->flags & SMBCCTX_FLAG_NO_AUTO_ANONYMOUS_LOGON) ||
 841                      !NT_STATUS_IS_OK(cli_session_setup(c, username_used,
 842                                                         password, 1,
 843                                                         password, 0,
 844                                                         workgroup))) {
 845
 846                         cli_shutdown(c);
 847                         errno = EPERM;
 848                         return NULL;
 849                 }
 850         }
 851
 852         DEBUG(4,(" session setup ok\n"));
 853
 854         if (!cli_send_tconX(c, share, "?????",
 855                             password, strlen(password)+1)) {
 856                 errno = smbc_errno(context, c);
 857                 cli_shutdown(c);
 858                 return NULL;
 859         }
 860
 861         DEBUG(4,(" tconx ok\n"));
 862
 863         /*
 864          * Ok, we have got a nice connection
 865          * Let's allocate a server structure.
 866          */
 867
 868         srv = SMB_MALLOC_P(SMBCSRV);
 869         if (!srv) {
 870                 errno = ENOMEM;
 871                 goto failed;
 872         }
 873
 874         ZERO_STRUCTP(srv);
 875         srv->cli = c;
 876         srv->dev = (dev_t)(str_checksum(server) ^ str_checksum(share));
 877         srv->no_pathinfo = False;
 878         srv->no_pathinfo2 = False;
 879         srv->no_nt_session = False;
 880
 881         /* now add it to the cache (internal or external)  */
 882         /* Let the cache function set errno if it wants to */
 883         errno = 0;
 884         if ((context->callbacks.add_cached_srv_fn)(context, srv,
 885                                                    server, share,
 886                                                    workgroup, username)) {
 887                 int saved_errno = errno;
 888                 DEBUG(3, (" Failed to add server to cache\n"));
 889                 errno = saved_errno;
 890                 if (errno == 0) {
 891                         errno = ENOMEM;
 892                 }
 893                 goto failed;
 894         }
 895
 896         DEBUG(2, ("Server connect ok: //%s/%s: %p\n",
 897                   server, share, srv));
 898
 899         DLIST_ADD(context->internal->_servers, srv);
 900         return srv;
 901
 902  failed:
 903         cli_shutdown(c);
 904         if (!srv) {
 905                 return NULL;
 906         }
 907
 908         SAFE_FREE(srv);
 909         return NULL;
 910 }
 911
 912 /*
 913  * Connect to a server for getting/setting attributes, possibly on an existing
 914  * connection.  This works similarly to smbc_server().
 915  */
 916 static SMBCSRV *
 917 smbc_attr_server(SMBCCTX *context,
 918                  const char *server,
 919                  const char *share,
 920                  fstring workgroup,
 921                  fstring username,
 922                  fstring password,
 923                  POLICY_HND *pol)
 924 {
 925         int flags;
 926         struct in_addr ip;
 927         struct cli_state *ipc_cli;
 928         struct rpc_pipe_client *pipe_hnd;
 929         NTSTATUS nt_status;
 930         SMBCSRV *ipc_srv=NULL;
 931
 932         /*
 933          * See if we've already created this special connection.  Reference
 934          * our "special" share name '*IPC$', which is an impossible real share
 935          * name due to the leading asterisk.
 936          */
 937         ipc_srv = find_server(context, server, "*IPC$",
 938                               workgroup, username, password);
 939         if (!ipc_srv) {
 940
 941                 /* We didn't find a cached connection.  Get the password */
 942                 if (*password == '\0') {
 943                         /* ... then retrieve it now. */
 944                         if (context->internal->_auth_fn_with_context != NULL) {
 945                                 (context->internal->_auth_fn_with_context)(
 946                                         context,
 947                                         server, share,
 948                                         workgroup, sizeof(fstring),
 949                                         username, sizeof(fstring),
 950                                         password, sizeof(fstring));
 951                         } else {
 952                                 (context->callbacks.auth_fn)(
 953                                         server, share,
 954                                         workgroup, sizeof(fstring),
 955                                         username, sizeof(fstring),
 956                                         password, sizeof(fstring));
 957                         }
 958                 }
 959
 960                 flags = 0;
 961                 if (context->flags & SMB_CTX_FLAG_USE_KERBEROS) {
 962                         flags |= CLI_FULL_CONNECTION_USE_KERBEROS;
 963                 }
 964
 965                 zero_ip(&ip);
 966                 nt_status = cli_full_connection(&ipc_cli,
 967                                                 global_myname(), server,
 968                                                 &ip, 0, "IPC$", "?????",
 969                                                 username, workgroup,
 970                                                 password, flags,
 971                                                 Undefined, NULL);
 972                 if (! NT_STATUS_IS_OK(nt_status)) {
 973                         DEBUG(1,("cli_full_connection failed! (%s)\n",
 974                                  nt_errstr(nt_status)));
 975                         errno = ENOTSUP;
 976                         return NULL;
 977                 }
 978
 979                 ipc_srv = SMB_MALLOC_P(SMBCSRV);
 980                 if (!ipc_srv) {
 981                         errno = ENOMEM;
 982                         cli_shutdown(ipc_cli);
 983                         return NULL;
 984                 }
 985
 986                 ZERO_STRUCTP(ipc_srv);
 987                 ipc_srv->cli = ipc_cli;
 988
 989                 if (pol) {
 990                         pipe_hnd = cli_rpc_pipe_open_noauth(ipc_srv->cli,
 991                                                             PI_LSARPC,
 992                                                             &nt_status);
 993                         if (!pipe_hnd) {
 994                                 DEBUG(1, ("cli_nt_session_open fail!\n"));
 995                                 errno = ENOTSUP;
 996                                 cli_shutdown(ipc_srv->cli);
 997                                 free(ipc_srv);
 998                                 return NULL;
 999                         }
1000
1001                         /*
1002                          * Some systems don't support
1003                          * SEC_RIGHTS_MAXIMUM_ALLOWED, but NT sends 0x2000000
1004                          * so we might as well do it too.
1005                          */
1006
1007                         nt_status = rpccli_lsa_open_policy(
1008                                 pipe_hnd,
1009                                 ipc_srv->cli->mem_ctx,
1010                                 True,
1011                                 GENERIC_EXECUTE_ACCESS,
1012                                 pol);
1013
1014                         if (!NT_STATUS_IS_OK(nt_status)) {
1015                                 errno = smbc_errno(context, ipc_srv->cli);
1016                                 cli_shutdown(ipc_srv->cli);
1017                                 return NULL;
1018                         }
1019                 }
1020
1021                 /* now add it to the cache (internal or external) */
1022
1023                 errno = 0;      /* let cache function set errno if it likes */
1024                 if ((context->callbacks.add_cached_srv_fn)(context, ipc_srv,
1025                                                            server,
1026                                                            "*IPC$",
1027                                                            workgroup,
1028                                                            username)) {
1029                         DEBUG(3, (" Failed to add server to cache\n"));
1030                         if (errno == 0) {
1031                                 errno = ENOMEM;
1032                         }
1033                         cli_shutdown(ipc_srv->cli);
1034                         free(ipc_srv);
1035                         return NULL;
1036                 }
1037
1038                 DLIST_ADD(context->internal->_servers, ipc_srv);
1039         }
1040
1041         return ipc_srv;
1042 }
1043
1044 /*
1045  * Routine to open() a file ...
1046  */
1047
1048 static SMBCFILE *
1049 smbc_open_ctx(SMBCCTX *context,
1050               const char *fname,
1051               int flags,
1052               mode_t mode)
1053 {
1054         fstring server, share, user, password, workgroup;
1055         pstring path;
1056         pstring targetpath;
1057         struct cli_state *targetcli;
1058         SMBCSRV *srv   = NULL;
1059         SMBCFILE *file = NULL;
1060         int fd;
1061
1062         if (!context || !context->internal ||
1063             !context->internal->_initialized) {
1064
1065                 errno = EINVAL;  /* Best I can think of ... */
1066                 return NULL;
1067
1068         }
1069
1070         if (!fname) {
1071
1072                 errno = EINVAL;
1073                 return NULL;
1074
1075         }
1076
1077         if (smbc_parse_path(context, fname,
1078                             workgroup, sizeof(workgroup),
1079                             server, sizeof(server),
1080                             share, sizeof(share),
1081                             path, sizeof(path),
1082                             user, sizeof(user),
1083                             password, sizeof(password),
1084                             NULL, 0)) {
1085                 errno = EINVAL;
1086                 return NULL;
1087         }
1088
1089         if (user[0] == (char)0) fstrcpy(user, context->user);
1090
1091         srv = smbc_server(context, True,
1092                           server, share, workgroup, user, password);
1093
1094         if (!srv) {
1095
1096                 if (errno == EPERM) errno = EACCES;
1097                 return NULL;  /* smbc_server sets errno */
1098
1099         }
1100
1101         /* Hmmm, the test for a directory is suspect here ... FIXME */
1102
1103         if (strlen(path) > 0 && path[strlen(path) - 1] == '\\') {
1104
1105                 fd = -1;
1106
1107         }
1108         else {
1109
1110                 file = SMB_MALLOC_P(SMBCFILE);
1111
1112                 if (!file) {
1113
1114                         errno = ENOMEM;
1115                         return NULL;
1116
1117                 }
1118
1119                 ZERO_STRUCTP(file);
1120
1121                 /*d_printf(">>>open: resolving %s\n", path);*/
1122                 if (!cli_resolve_path( "", srv->cli, path, &targetcli, targetpath))
1123                 {
1124                         d_printf("Could not resolve %s\n", path);
1125                         SAFE_FREE(file);
1126                         return NULL;
1127                 }
1128                 /*d_printf(">>>open: resolved %s as %s\n", path, targetpath);*/
1129
1130                 if ((fd = cli_open(targetcli, targetpath, flags,
1131                                    context->internal->_share_mode)) < 0) {
1132
1133                         /* Handle the error ... */
1134
1135                         SAFE_FREE(file);
1136                         errno = smbc_errno(context, targetcli);
1137                         return NULL;
1138
1139                 }
1140
1141                 /* Fill in file struct */
1142
1143                 file->cli_fd  = fd;
1144                 file->fname   = SMB_STRDUP(fname);
1145                 file->srv     = srv;
1146                 file->offset  = 0;
1147                 file->file    = True;
1148
1149                 DLIST_ADD(context->internal->_files, file);
1150
1151                 /*
1152                  * If the file was opened in O_APPEND mode, all write
1153                  * operations should be appended to the file.  To do that,
1154                  * though, using this protocol, would require a getattrE()
1155                  * call for each and every write, to determine where the end
1156                  * of the file is. (There does not appear to be an append flag
1157                  * in the protocol.)  Rather than add all of that overhead of
1158                  * retrieving the current end-of-file offset prior to each
1159                  * write operation, we'll assume that most append operations
1160                  * will continuously write, so we'll just set the offset to
1161                  * the end of the file now and hope that's adequate.
1162                  *
1163                  * Note to self: If this proves inadequate, and O_APPEND
1164                  * should, in some cases, be forced for each write, add a
1165                  * field in the context options structure, for
1166                  * "strict_append_mode" which would select between the current
1167                  * behavior (if FALSE) or issuing a getattrE() prior to each
1168                  * write and forcing the write to the end of the file (if
1169                  * TRUE).  Adding that capability will likely require adding
1170                  * an "append" flag into the _SMBCFILE structure to track
1171                  * whether a file was opened in O_APPEND mode.  -- djl
1172                  */
1173                 if (flags & O_APPEND) {
1174                         if (smbc_lseek_ctx(context, file, 0, SEEK_END) < 0) {
1175                                 (void) smbc_close_ctx(context, file);
1176                                 errno = ENXIO;
1177                                 return NULL;
1178                         }
1179                 }
1180
1181                 return file;
1182
1183         }
1184
1185         /* Check if opendir needed ... */
1186
1187         if (fd == -1) {
1188                 int eno = 0;
1189
1190                 eno = smbc_errno(context, srv->cli);
1191                 file = (context->opendir)(context, fname);
1192                 if (!file) errno = eno;
1193                 return file;
1194
1195         }
1196
1197         errno = EINVAL; /* FIXME, correct errno ? */
1198         return NULL;
1199
1200 }
1201
1202 /*
1203  * Routine to create a file
1204  */
1205
1206 static int creat_bits = O_WRONLY | O_CREAT | O_TRUNC; /* FIXME: Do we need this */
1207
1208 static SMBCFILE *
1209 smbc_creat_ctx(SMBCCTX *context,
1210                const char *path,
1211                mode_t mode)
1212 {
1213
1214         if (!context || !context->internal ||
1215             !context->internal->_initialized) {
1216
1217                 errno = EINVAL;
1218                 return NULL;
1219
1220         }
1221
1222         return smbc_open_ctx(context, path, creat_bits, mode);
1223 }
1224
1225 /*
1226  * Routine to read() a file ...
1227  */
1228
1229 static ssize_t
1230 smbc_read_ctx(SMBCCTX *context,
1231               SMBCFILE *file,
1232               void *buf,
1233               size_t count)
1234 {
1235         int ret;
1236         fstring server, share, user, password;
1237         pstring path, targetpath;
1238         struct cli_state *targetcli;
1239
1240         /*
1241          * offset:
1242          *
1243          * Compiler bug (possibly) -- gcc (GCC) 3.3.5 (Debian 1:3.3.5-2) --
1244          * appears to pass file->offset (which is type off_t) differently than
1245          * a local variable of type off_t.  Using local variable "offset" in
1246          * the call to cli_read() instead of file->offset fixes a problem
1247          * retrieving data at an offset greater than 4GB.
1248          */
1249         off_t offset;
1250
1251         if (!context || !context->internal ||
1252             !context->internal->_initialized) {
1253
1254                 errno = EINVAL;
1255                 return -1;
1256
1257         }
1258
1259         DEBUG(4, ("smbc_read(%p, %d)\n", file, (int)count));
1260
1261         if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
1262
1263                 errno = EBADF;
1264                 return -1;
1265
1266         }
1267
1268         offset = file->offset;
1269
1270         /* Check that the buffer exists ... */
1271
1272         if (buf == NULL) {
1273
1274                 errno = EINVAL;
1275                 return -1;
1276
1277         }
1278
1279         /*d_printf(">>>read: parsing %s\n", file->fname);*/
1280         if (smbc_parse_path(context, file->fname,
1281                             NULL, 0,
1282                             server, sizeof(server),
1283                             share, sizeof(share),
1284                             path, sizeof(path),
1285                             user, sizeof(user),
1286                             password, sizeof(password),
1287                             NULL, 0)) {
1288                 errno = EINVAL;
1289                 return -1;
1290         }
1291
1292         /*d_printf(">>>read: resolving %s\n", path);*/
1293         if (!cli_resolve_path("", file->srv->cli, path,
1294                               &targetcli, targetpath))
1295         {
1296                 d_printf("Could not resolve %s\n", path);
1297                 return -1;
1298         }
1299         /*d_printf(">>>fstat: resolved path as %s\n", targetpath);*/
1300
1301         ret = cli_read(targetcli, file->cli_fd, (char *)buf, offset, count);
1302
1303         if (ret < 0) {
1304
1305                 errno = smbc_errno(context, targetcli);
1306                 return -1;
1307
1308         }
1309
1310         file->offset += ret;
1311
1312         DEBUG(4, ("  --> %d\n", ret));
1313
1314         return ret;  /* Success, ret bytes of data ... */
1315
1316 }
1317
1318 /*
1319  * Routine to write() a file ...
1320  */
1321
1322 static ssize_t
1323 smbc_write_ctx(SMBCCTX *context,
1324                SMBCFILE *file,
1325                void *buf,
1326                size_t count)
1327 {
1328         int ret;
1329         off_t offset;
1330         fstring server, share, user, password;
1331         pstring path, targetpath;
1332         struct cli_state *targetcli;
1333
1334         /* First check all pointers before dereferencing them */
1335
1336         if (!context || !context->internal ||
1337             !context->internal->_initialized) {
1338
1339                 errno = EINVAL;
1340                 return -1;
1341
1342         }
1343
1344         if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
1345
1346                 errno = EBADF;
1347                 return -1;
1348
1349         }
1350
1351         /* Check that the buffer exists ... */
1352
1353         if (buf == NULL) {
1354
1355                 errno = EINVAL;
1356                 return -1;
1357
1358         }
1359
1360         offset = file->offset; /* See "offset" comment in smbc_read_ctx() */
1361
1362         /*d_printf(">>>write: parsing %s\n", file->fname);*/
1363         if (smbc_parse_path(context, file->fname,
1364                             NULL, 0,
1365                             server, sizeof(server),
1366                             share, sizeof(share),
1367                             path, sizeof(path),
1368                             user, sizeof(user),
1369                             password, sizeof(password),
1370                             NULL, 0)) {
1371                 errno = EINVAL;
1372                 return -1;
1373         }
1374
1375         /*d_printf(">>>write: resolving %s\n", path);*/
1376         if (!cli_resolve_path("", file->srv->cli, path,
1377                               &targetcli, targetpath))
1378         {
1379                 d_printf("Could not resolve %s\n", path);
1380                 return -1;
1381         }
1382         /*d_printf(">>>write: resolved path as %s\n", targetpath);*/
1383
1384
1385         ret = cli_write(targetcli, file->cli_fd, 0, (char *)buf, offset, count);
1386
1387         if (ret <= 0) {
1388
1389                 errno = smbc_errno(context, targetcli);
1390                 return -1;
1391
1392         }
1393
1394         file->offset += ret;
1395
1396         return ret;  /* Success, 0 bytes of data ... */
1397 }
1398
1399 /*
1400  * Routine to close() a file ...
1401  */
1402
1403 static int
1404 smbc_close_ctx(SMBCCTX *context,
1405                SMBCFILE *file)
1406 {
1407         SMBCSRV *srv;
1408         fstring server, share, user, password;
1409         pstring path, targetpath;
1410         struct cli_state *targetcli;
1411
1412         if (!context || !context->internal ||
1413             !context->internal->_initialized) {
1414
1415                 errno = EINVAL;
1416                 return -1;
1417
1418         }
1419
1420         if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
1421
1422                 errno = EBADF;
1423                 return -1;
1424
1425         }
1426
1427         /* IS a dir ... */
1428         if (!file->file) {
1429
1430                 return (context->closedir)(context, file);
1431
1432         }
1433
1434         /*d_printf(">>>close: parsing %s\n", file->fname);*/
1435         if (smbc_parse_path(context, file->fname,
1436                             NULL, 0,
1437                             server, sizeof(server),
1438                             share, sizeof(share),
1439                             path, sizeof(path),
1440                             user, sizeof(user),
1441                             password, sizeof(password),
1442                             NULL, 0)) {
1443                 errno = EINVAL;
1444                 return -1;
1445         }
1446
1447         /*d_printf(">>>close: resolving %s\n", path);*/
1448         if (!cli_resolve_path("", file->srv->cli, path,
1449                               &targetcli, targetpath))
1450         {
1451                 d_printf("Could not resolve %s\n", path);
1452                 return -1;
1453         }
1454         /*d_printf(">>>close: resolved path as %s\n", targetpath);*/
1455
1456         if (!cli_close(targetcli, file->cli_fd)) {
1457
1458                 DEBUG(3, ("cli_close failed on %s. purging server.\n",
1459                           file->fname));
1460                 /* Deallocate slot and remove the server
1461                  * from the server cache if unused */
1462                 errno = smbc_errno(context, targetcli);
1463                 srv = file->srv;
1464                 DLIST_REMOVE(context->internal->_files, file);
1465                 SAFE_FREE(file->fname);
1466                 SAFE_FREE(file);
1467                 (context->callbacks.remove_unused_server_fn)(context, srv);
1468
1469                 return -1;
1470
1471         }
1472
1473         DLIST_REMOVE(context->internal->_files, file);
1474         SAFE_FREE(file->fname);
1475         SAFE_FREE(file);
1476
1477         return 0;
1478 }
1479
1480 /*
1481  * Get info from an SMB server on a file. Use a qpathinfo call first
1482  * and if that fails, use getatr, as Win95 sometimes refuses qpathinfo
1483  */
1484 static BOOL
1485 smbc_getatr(SMBCCTX * context,
1486             SMBCSRV *srv,
1487             char *path,
1488             uint16 *mode,
1489             SMB_OFF_T *size,
1490             struct timespec *create_time_ts,
1491             struct timespec *access_time_ts,
1492             struct timespec *write_time_ts,
1493             struct timespec *change_time_ts,
1494             SMB_INO_T *ino)
1495 {
1496         pstring fixedpath;
1497         pstring targetpath;
1498         struct cli_state *targetcli;
1499         time_t write_time;
1500
1501         if (!context || !context->internal ||
1502             !context->internal->_initialized) {
1503
1504                 errno = EINVAL;
1505                 return -1;
1506
1507         }
1508
1509         /* path fixup for . and .. */
1510         if (strequal(path, ".") || strequal(path, ".."))
1511                 pstrcpy(fixedpath, "\\");
1512         else
1513         {
1514                 pstrcpy(fixedpath, path);
1515                 trim_string(fixedpath, NULL, "\\..");
1516                 trim_string(fixedpath, NULL, "\\.");
1517         }
1518         DEBUG(4,("smbc_getatr: sending qpathinfo\n"));
1519
1520         if (!cli_resolve_path( "", srv->cli, fixedpath, &targetcli, targetpath))
1521         {
1522                 d_printf("Couldn't resolve %s\n", path);
1523                 return False;
1524         }
1525
1526         if (!srv->no_pathinfo2 &&
1527             cli_qpathinfo2(targetcli, targetpath,
1528                            create_time_ts,
1529                            access_time_ts,
1530                            write_time_ts,
1531                            change_time_ts,
1532                            size, mode, ino)) {
1533             return True;
1534         }
1535
1536         /* if this is NT then don't bother with the getatr */
1537         if (targetcli->capabilities & CAP_NT_SMBS) {
1538                 errno = EPERM;
1539                 return False;
1540         }
1541
1542         if (cli_getatr(targetcli, targetpath, mode, size, &write_time)) {
1543
1544                 struct timespec w_time_ts;
1545
1546                 w_time_ts = convert_time_t_to_timespec(write_time);
1547
1548                 if (write_time_ts != NULL) {
1549                         *write_time_ts = w_time_ts;
1550                 }
1551
1552                 if (create_time_ts != NULL) {
1553                         *create_time_ts = w_time_ts;
1554                 }
1555
1556                 if (access_time_ts != NULL) {
1557                         *access_time_ts = w_time_ts;
1558                 }
1559
1560                 if (change_time_ts != NULL) {
1561                         *change_time_ts = w_time_ts;
1562                 }
1563
1564                 srv->no_pathinfo2 = True;
1565                 return True;
1566         }
1567
1568         errno = EPERM;
1569         return False;
1570
1571 }
1572
1573 /*
1574  * Set file info on an SMB server.  Use setpathinfo call first.  If that
1575  * fails, use setattrE..
1576  *
1577  * Access and modification time parameters are always used and must be
1578  * provided.  Create time, if zero, will be determined from the actual create
1579  * time of the file.  If non-zero, the create time will be set as well.
1580  *
1581  * "mode" (attributes) parameter may be set to -1 if it is not to be set.
1582  */
1583 static BOOL
1584 smbc_setatr(SMBCCTX * context, SMBCSRV *srv, char *path,
1585             time_t create_time,
1586             time_t access_time,
1587             time_t write_time,
1588             time_t change_time,
1589             uint16 mode)
1590 {
1591         int fd;
1592         int ret;
1593
1594         /*
1595          * First, try setpathinfo (if qpathinfo succeeded), for it is the
1596          * modern function for "new code" to be using, and it works given a
1597          * filename rather than requiring that the file be opened to have its
1598          * attributes manipulated.
1599          */
1600         if (srv->no_pathinfo ||
1601             ! cli_setpathinfo(srv->cli, path,
1602                               create_time,
1603                               access_time,
1604                               write_time,
1605                               change_time,
1606                               mode)) {
1607
1608                 /*
1609                  * setpathinfo is not supported; go to plan B.
1610                  *
1611                  * cli_setatr() does not work on win98, and it also doesn't
1612                  * support setting the access time (only the modification
1613                  * time), so in all cases, we open the specified file and use
1614                  * cli_setattrE() which should work on all OS versions, and
1615                  * supports both times.
1616                  */
1617
1618                 /* Don't try {q,set}pathinfo() again, with this server */
1619                 srv->no_pathinfo = True;
1620
1621                 /* Open the file */
1622                 if ((fd = cli_open(srv->cli, path, O_RDWR, DENY_NONE)) < 0) {
1623
1624                         errno = smbc_errno(context, srv->cli);
1625                         return -1;
1626                 }
1627
1628                 /* Set the new attributes */
1629                 ret = cli_setattrE(srv->cli, fd,
1630                                    change_time,
1631                                    access_time,
1632                                    write_time);
1633
1634                 /* Close the file */
1635                 cli_close(srv->cli, fd);
1636
1637                 /*
1638                  * Unfortunately, setattrE() doesn't have a provision for
1639                  * setting the access mode (attributes).  We'll have to try
1640                  * cli_setatr() for that, and with only this parameter, it
1641                  * seems to work on win98.
1642                  */
1643                 if (ret && mode != (uint16) -1) {
1644                         ret = cli_setatr(srv->cli, path, mode, 0);
1645                 }
1646
1647                 if (! ret) {
1648                         errno = smbc_errno(context, srv->cli);
1649                         return False;
1650                 }
1651         }
1652
1653         return True;
1654 }
1655
1656  /*
1657   * Routine to unlink() a file
1658   */
1659
1660 static int
1661 smbc_unlink_ctx(SMBCCTX *context,
1662                 const char *fname)
1663 {
1664         fstring server, share, user, password, workgroup;
1665         pstring path, targetpath;
1666         struct cli_state *targetcli;
1667         SMBCSRV *srv = NULL;
1668
1669         if (!context || !context->internal ||
1670             !context->internal->_initialized) {
1671
1672                 errno = EINVAL;  /* Best I can think of ... */
1673                 return -1;
1674
1675         }
1676
1677         if (!fname) {
1678
1679                 errno = EINVAL;
1680                 return -1;
1681
1682         }
1683
1684         if (smbc_parse_path(context, fname,
1685                             workgroup, sizeof(workgroup),
1686                             server, sizeof(server),
1687                             share, sizeof(share),
1688                             path, sizeof(path),
1689                             user, sizeof(user),
1690                             password, sizeof(password),
1691                             NULL, 0)) {
1692                 errno = EINVAL;
1693                 return -1;
1694         }
1695
1696         if (user[0] == (char)0) fstrcpy(user, context->user);
1697
1698         srv = smbc_server(context, True,
1699                           server, share, workgroup, user, password);
1700
1701         if (!srv) {
1702
1703                 return -1;  /* smbc_server sets errno */
1704
1705         }
1706
1707         /*d_printf(">>>unlink: resolving %s\n", path);*/
1708         if (!cli_resolve_path( "", srv->cli, path, &targetcli, targetpath))
1709         {
1710                 d_printf("Could not resolve %s\n", path);
1711                 return -1;
1712         }
1713         /*d_printf(">>>unlink: resolved path as %s\n", targetpath);*/
1714
1715         if (!cli_unlink(targetcli, targetpath)) {
1716
1717                 errno = smbc_errno(context, targetcli);
1718
1719                 if (errno == EACCES) { /* Check if the file is a directory */
1720
1721                         int saverr = errno;
1722                         SMB_OFF_T size = 0;
1723                         uint16 mode = 0;
1724                         struct timespec write_time_ts;
1725                         struct timespec access_time_ts;
1726                         struct timespec change_time_ts;
1727                         SMB_INO_T ino = 0;
1728
1729                         if (!smbc_getatr(context, srv, path, &mode, &size,
1730                                          NULL,
1731                                          &access_time_ts,
1732                                          &write_time_ts,
1733                                          &change_time_ts,
1734                                          &ino)) {
1735
1736                                 /* Hmmm, bad error ... What? */
1737
1738                                 errno = smbc_errno(context, targetcli);
1739                                 return -1;
1740
1741                         }
1742                         else {
1743
1744                                 if (IS_DOS_DIR(mode))
1745                                         errno = EISDIR;
1746                                 else
1747                                         errno = saverr;  /* Restore this */
1748
1749                         }
1750                 }
1751
1752                 return -1;
1753
1754         }
1755
1756         return 0;  /* Success ... */
1757
1758 }
1759
1760 /*
1761  * Routine to rename() a file
1762  */
1763
1764 static int
1765 smbc_rename_ctx(SMBCCTX *ocontext,
1766                 const char *oname,
1767                 SMBCCTX *ncontext,
1768                 const char *nname)
1769 {
1770         fstring server1;
1771         fstring share1;
1772         fstring server2;
1773         fstring share2;
1774         fstring user1;
1775         fstring user2;
1776         fstring password1;
1777         fstring password2;
1778         fstring workgroup;
1779         pstring path1;
1780         pstring path2;
1781         pstring targetpath1;
1782         pstring targetpath2;
1783         struct cli_state *targetcli1;
1784         struct cli_state *targetcli2;
1785         SMBCSRV *srv = NULL;
1786
1787         if (!ocontext || !ncontext ||
1788             !ocontext->internal || !ncontext->internal ||
1789             !ocontext->internal->_initialized ||
1790             !ncontext->internal->_initialized) {
1791
1792                 errno = EINVAL;  /* Best I can think of ... */
1793                 return -1;
1794
1795         }
1796
1797         if (!oname || !nname) {
1798
1799                 errno = EINVAL;
1800                 return -1;
1801
1802         }
1803
1804         DEBUG(4, ("smbc_rename(%s,%s)\n", oname, nname));
1805
1806         smbc_parse_path(ocontext, oname,
1807                         workgroup, sizeof(workgroup),
1808                         server1, sizeof(server1),
1809                         share1, sizeof(share1),
1810                         path1, sizeof(path1),
1811                         user1, sizeof(user1),
1812                         password1, sizeof(password1),
1813                         NULL, 0);
1814
1815         if (user1[0] == (char)0) fstrcpy(user1, ocontext->user);
1816
1817         smbc_parse_path(ncontext, nname,
1818                         NULL, 0,
1819                         server2, sizeof(server2),
1820                         share2, sizeof(share2),
1821                         path2, sizeof(path2),
1822                         user2, sizeof(user2),
1823                         password2, sizeof(password2),
1824                         NULL, 0);
1825
1826         if (user2[0] == (char)0) fstrcpy(user2, ncontext->user);
1827
1828         if (strcmp(server1, server2) || strcmp(share1, share2) ||
1829             strcmp(user1, user2)) {
1830
1831                 /* Can't rename across file systems, or users?? */
1832
1833                 errno = EXDEV;
1834                 return -1;
1835
1836         }
1837
1838         srv = smbc_server(ocontext, True,
1839                           server1, share1, workgroup, user1, password1);
1840         if (!srv) {
1841
1842                 return -1;
1843
1844         }
1845
1846         /*d_printf(">>>rename: resolving %s\n", path1);*/
1847         if (!cli_resolve_path( "", srv->cli, path1, &targetcli1, targetpath1))
1848         {
1849                 d_printf("Could not resolve %s\n", path1);
1850                 return -1;
1851         }
1852         /*d_printf(">>>rename: resolved path as %s\n", targetpath1);*/
1853         /*d_printf(">>>rename: resolving %s\n", path2);*/
1854         if (!cli_resolve_path( "", srv->cli, path2, &targetcli2, targetpath2))
1855         {
1856                 d_printf("Could not resolve %s\n", path2);
1857                 return -1;
1858         }
1859         /*d_printf(">>>rename: resolved path as %s\n", targetpath2);*/
1860
1861         if (strcmp(targetcli1->desthost, targetcli2->desthost) ||
1862             strcmp(targetcli1->share, targetcli2->share))
1863         {
1864                 /* can't rename across file systems */
1865
1866                 errno = EXDEV;
1867                 return -1;
1868         }
1869
1870         if (!cli_rename(targetcli1, targetpath1, targetpath2)) {
1871                 int eno = smbc_errno(ocontext, targetcli1);
1872
1873                 if (eno != EEXIST ||
1874                     !cli_unlink(targetcli1, targetpath2) ||
1875                     !cli_rename(targetcli1, targetpath1, targetpath2)) {
1876
1877                         errno = eno;
1878                         return -1;
1879
1880                 }
1881         }
1882
1883         return 0; /* Success */
1884
1885 }
1886
1887 /*
1888  * A routine to lseek() a file
1889  */
1890
1891 static off_t
1892 smbc_lseek_ctx(SMBCCTX *context,
1893                SMBCFILE *file,
1894                off_t offset,
1895                int whence)
1896 {
1897         SMB_OFF_T size;
1898         fstring server, share, user, password;
1899         pstring path, targetpath;
1900         struct cli_state *targetcli;
1901
1902         if (!context || !context->internal ||
1903             !context->internal->_initialized) {
1904
1905                 errno = EINVAL;
1906                 return -1;
1907
1908         }
1909
1910         if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
1911
1912                 errno = EBADF;
1913                 return -1;
1914
1915         }
1916
1917         if (!file->file) {
1918
1919                 errno = EINVAL;
1920                 return -1;      /* Can't lseek a dir ... */
1921
1922         }
1923
1924         switch (whence) {
1925         case SEEK_SET:
1926                 file->offset = offset;
1927                 break;
1928
1929         case SEEK_CUR:
1930                 file->offset += offset;
1931                 break;
1932
1933         case SEEK_END:
1934                 /*d_printf(">>>lseek: parsing %s\n", file->fname);*/
1935                 if (smbc_parse_path(context, file->fname,
1936                                     NULL, 0,
1937                                     server, sizeof(server),
1938                                     share, sizeof(share),
1939                                     path, sizeof(path),
1940                                     user, sizeof(user),
1941                                     password, sizeof(password),
1942                                     NULL, 0)) {
1943
1944                                         errno = EINVAL;
1945                                         return -1;
1946                         }
1947
1948                 /*d_printf(">>>lseek: resolving %s\n", path);*/
1949                 if (!cli_resolve_path("", file->srv->cli, path,
1950                                       &targetcli, targetpath))
1951                 {
1952                         d_printf("Could not resolve %s\n", path);
1953                         return -1;
1954                 }
1955                 /*d_printf(">>>lseek: resolved path as %s\n", targetpath);*/
1956
1957                 if (!cli_qfileinfo(targetcli, file->cli_fd, NULL,
1958                                    &size, NULL, NULL, NULL, NULL, NULL))
1959                 {
1960                     SMB_OFF_T b_size = size;
1961                         if (!cli_getattrE(targetcli, file->cli_fd,
1962                                           NULL, &b_size, NULL, NULL, NULL))
1963                     {
1964                         errno = EINVAL;
1965                         return -1;
1966                     } else
1967                         size = b_size;
1968                 }
1969                 file->offset = size + offset;
1970                 break;
1971
1972         default:
1973                 errno = EINVAL;
1974                 break;
1975
1976         }
1977
1978         return file->offset;
1979
1980 }
1981
1982 /*
1983  * Generate an inode number from file name for those things that need it
1984  */
1985
1986 static ino_t
1987 smbc_inode(SMBCCTX *context,
1988            const char *name)
1989 {
1990
1991         if (!context || !context->internal ||
1992             !context->internal->_initialized) {
1993
1994                 errno = EINVAL;
1995                 return -1;
1996
1997         }
1998
1999         if (!*name) return 2; /* FIXME, why 2 ??? */
2000         return (ino_t)str_checksum(name);
2001
2002 }
2003
2004 /*
2005  * Routine to put basic stat info into a stat structure ... Used by stat and
2006  * fstat below.
2007  */
2008
2009 static int
2010 smbc_setup_stat(SMBCCTX *context,
2011                 struct stat *st,
2012                 char *fname,
2013                 SMB_OFF_T size,
2014                 int mode)
2015 {
2016
2017         st->st_mode = 0;
2018
2019         if (IS_DOS_DIR(mode)) {
2020                 st->st_mode = SMBC_DIR_MODE;
2021         } else {
2022                 st->st_mode = SMBC_FILE_MODE;
2023         }
2024
2025         if (IS_DOS_ARCHIVE(mode)) st->st_mode |= S_IXUSR;
2026         if (IS_DOS_SYSTEM(mode)) st->st_mode |= S_IXGRP;
2027         if (IS_DOS_HIDDEN(mode)) st->st_mode |= S_IXOTH;
2028         if (!IS_DOS_READONLY(mode)) st->st_mode |= S_IWUSR;
2029
2030         st->st_size = size;
2031 #ifdef HAVE_STAT_ST_BLKSIZE
2032         st->st_blksize = 512;
2033 #endif
2034 #ifdef HAVE_STAT_ST_BLOCKS
2035         st->st_blocks = (size+511)/512;
2036 #endif
2037         st->st_uid = getuid();
2038         st->st_gid = getgid();
2039
2040         if (IS_DOS_DIR(mode)) {
2041                 st->st_nlink = 2;
2042         } else {
2043                 st->st_nlink = 1;
2044         }
2045
2046         if (st->st_ino == 0) {
2047                 st->st_ino = smbc_inode(context, fname);
2048         }
2049
2050         return True;  /* FIXME: Is this needed ? */
2051
2052 }
2053
2054 /*
2055  * Routine to stat a file given a name
2056  */
2057
2058 static int
2059 smbc_stat_ctx(SMBCCTX *context,
2060               const char *fname,
2061               struct stat *st)
2062 {
2063         SMBCSRV *srv;
2064         fstring server;
2065         fstring share;
2066         fstring user;
2067         fstring password;
2068         fstring workgroup;
2069         pstring path;
2070         struct timespec write_time_ts;
2071         struct timespec access_time_ts;
2072         struct timespec change_time_ts;
2073         SMB_OFF_T size = 0;
2074         uint16 mode = 0;
2075         SMB_INO_T ino = 0;
2076
2077         if (!context || !context->internal ||
2078             !context->internal->_initialized) {
2079
2080                 errno = EINVAL;  /* Best I can think of ... */
2081                 return -1;
2082
2083         }
2084
2085         if (!fname) {
2086
2087                 errno = EINVAL;
2088                 return -1;
2089
2090         }
2091
2092         DEBUG(4, ("smbc_stat(%s)\n", fname));
2093
2094         if (smbc_parse_path(context, fname,
2095                             workgroup, sizeof(workgroup),
2096                             server, sizeof(server),
2097                             share, sizeof(share),
2098                             path, sizeof(path),
2099                             user, sizeof(user),
2100                             password, sizeof(password),
2101                             NULL, 0)) {
2102                 errno = EINVAL;
2103                 return -1;
2104         }
2105
2106         if (user[0] == (char)0) fstrcpy(user, context->user);
2107
2108         srv = smbc_server(context, True,
2109                           server, share, workgroup, user, password);
2110
2111         if (!srv) {
2112                 return -1;  /* errno set by smbc_server */
2113         }
2114
2115         if (!smbc_getatr(context, srv, path, &mode, &size,
2116                          NULL,
2117                          &access_time_ts,
2118                          &write_time_ts,
2119                          &change_time_ts,
2120                          &ino)) {
2121
2122                 errno = smbc_errno(context, srv->cli);
2123                 return -1;
2124
2125         }
2126
2127         st->st_ino = ino;
2128
2129         smbc_setup_stat(context, st, path, size, mode);
2130
2131         set_atimespec(st, access_time_ts);
2132         set_ctimespec(st, change_time_ts);
2133         set_mtimespec(st, write_time_ts);
2134         st->st_dev   = srv->dev;
2135
2136         return 0;
2137
2138 }
2139
2140 /*
2141  * Routine to stat a file given an fd
2142  */
2143
2144 static int
2145 smbc_fstat_ctx(SMBCCTX *context,
2146                SMBCFILE *file,
2147                struct stat *st)
2148 {
2149         struct timespec change_time_ts;
2150         struct timespec access_time_ts;
2151         struct timespec write_time_ts;
2152         SMB_OFF_T size;
2153         uint16 mode;
2154         fstring server;
2155         fstring share;
2156         fstring user;
2157         fstring password;
2158         pstring path;
2159         pstring targetpath;
2160         struct cli_state *targetcli;
2161         SMB_INO_T ino = 0;
2162
2163         if (!context || !context->internal ||
2164             !context->internal->_initialized) {
2165
2166                 errno = EINVAL;
2167                 return -1;
2168
2169         }
2170
2171         if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
2172
2173                 errno = EBADF;
2174                 return -1;
2175
2176         }
2177
2178         if (!file->file) {
2179
2180                 return (context->fstatdir)(context, file, st);
2181
2182         }
2183
2184         /*d_printf(">>>fstat: parsing %s\n", file->fname);*/
2185         if (smbc_parse_path(context, file->fname,
2186                             NULL, 0,
2187                             server, sizeof(server),
2188                             share, sizeof(share),
2189                             path, sizeof(path),
2190                             user, sizeof(user),
2191                             password, sizeof(password),
2192                             NULL, 0)) {
2193                 errno = EINVAL;
2194                 return -1;
2195         }
2196
2197         /*d_printf(">>>fstat: resolving %s\n", path);*/
2198         if (!cli_resolve_path("", file->srv->cli, path,
2199                               &targetcli, targetpath))
2200         {
2201                 d_printf("Could not resolve %s\n", path);
2202                 return -1;
2203         }
2204         /*d_printf(">>>fstat: resolved path as %s\n", targetpath);*/
2205
2206         if (!cli_qfileinfo(targetcli, file->cli_fd, &mode, &size,
2207                            NULL,
2208                            &access_time_ts,
2209                            &write_time_ts,
2210                            &change_time_ts,
2211                            &ino)) {
2212
2213                 time_t change_time, access_time, write_time;
2214
2215                 if (!cli_getattrE(targetcli, file->cli_fd, &mode, &size,
2216                                 &change_time, &access_time, &write_time)) {
2217
2218                         errno = EINVAL;
2219                         return -1;
2220                 }
2221
2222                 change_time_ts = convert_time_t_to_timespec(change_time);
2223                 access_time_ts = convert_time_t_to_timespec(access_time);
2224                 write_time_ts = convert_time_t_to_timespec(write_time);
2225         }
2226
2227         st->st_ino = ino;
2228
2229         smbc_setup_stat(context, st, file->fname, size, mode);
2230
2231         set_atimespec(st, access_time_ts);
2232         set_ctimespec(st, change_time_ts);
2233         set_mtimespec(st, write_time_ts);
2234         st->st_dev = file->srv->dev;
2235
2236         return 0;
2237
2238 }
2239
2240 /*
2241  * Routine to open a directory
2242  * We accept the URL syntax explained in smbc_parse_path(), above.
2243  */
2244
2245 static void
2246 smbc_remove_dir(SMBCFILE *dir)
2247 {
2248         struct smbc_dir_list *d,*f;
2249
2250         d = dir->dir_list;
2251         while (d) {
2252
2253                 f = d; d = d->next;
2254
2255                 SAFE_FREE(f->dirent);
2256                 SAFE_FREE(f);
2257
2258         }
2259
2260         dir->dir_list = dir->dir_end = dir->dir_next = NULL;
2261
2262 }
2263
2264 static int
2265 add_dirent(SMBCFILE *dir,
2266            const char *name,
2267            const char *comment,
2268            uint32 type)
2269 {
2270         struct smbc_dirent *dirent;
2271         int size;
2272         int name_length = (name == NULL ? 0 : strlen(name));
2273         int comment_len = (comment == NULL ? 0 : strlen(comment));
2274
2275         /*
2276          * Allocate space for the dirent, which must be increased by the
2277          * size of the name and the comment and 1 each for the null terminator.
2278          */
2279
2280         size = sizeof(struct smbc_dirent) + name_length + comment_len + 2;
2281
2282         dirent = (struct smbc_dirent *)SMB_MALLOC(size);
2283
2284         if (!dirent) {
2285
2286                 dir->dir_error = ENOMEM;
2287                 return -1;
2288
2289         }
2290
2291         ZERO_STRUCTP(dirent);
2292
2293         if (dir->dir_list == NULL) {
2294
2295                 dir->dir_list = SMB_MALLOC_P(struct smbc_dir_list);
2296                 if (!dir->dir_list) {
2297
2298                         SAFE_FREE(dirent);
2299                         dir->dir_error = ENOMEM;
2300                         return -1;
2301
2302                 }
2303                 ZERO_STRUCTP(dir->dir_list);
2304
2305                 dir->dir_end = dir->dir_next = dir->dir_list;
2306         }
2307         else {
2308
2309                 dir->dir_end->next = SMB_MALLOC_P(struct smbc_dir_list);
2310
2311                 if (!dir->dir_end->next) {
2312
2313                         SAFE_FREE(dirent);
2314                         dir->dir_error = ENOMEM;
2315                         return -1;
2316
2317                 }
2318                 ZERO_STRUCTP(dir->dir_end->next);
2319
2320                 dir->dir_end = dir->dir_end->next;
2321         }
2322
2323         dir->dir_end->next = NULL;
2324         dir->dir_end->dirent = dirent;
2325
2326         dirent->smbc_type = type;
2327         dirent->namelen = name_length;
2328         dirent->commentlen = comment_len;
2329         dirent->dirlen = size;
2330
2331         /*
2332          * dirent->namelen + 1 includes the null (no null termination needed)
2333          * Ditto for dirent->commentlen.
2334          * The space for the two null bytes was allocated.
2335          */
2336         strncpy(dirent->name, (name?name:""), dirent->namelen + 1);
2337         dirent->comment = (char *)(&dirent->name + dirent->namelen + 1);
2338         strncpy(dirent->comment, (comment?comment:""), dirent->commentlen + 1);
2339
2340         return 0;
2341
2342 }
2343
2344 static void
2345 list_unique_wg_fn(const char *name,
2346                   uint32 type,
2347                   const char *comment,
2348                   void *state)
2349 {
2350         SMBCFILE *dir = (SMBCFILE *)state;
2351         struct smbc_dir_list *dir_list;
2352         struct smbc_dirent *dirent;
2353         int dirent_type;
2354         int do_remove = 0;
2355
2356         dirent_type = dir->dir_type;
2357
2358         if (add_dirent(dir, name, comment, dirent_type) < 0) {
2359
2360                 /* An error occurred, what do we do? */
2361                 /* FIXME: Add some code here */
2362         }
2363
2364         /* Point to the one just added */
2365         dirent = dir->dir_end->dirent;
2366
2367         /* See if this was a duplicate */
2368         for (dir_list = dir->dir_list;
2369              dir_list != dir->dir_end;
2370              dir_list = dir_list->next) {
2371                 if (! do_remove &&
2372                     strcmp(dir_list->dirent->name, dirent->name) == 0) {
2373                         /* Duplicate.  End end of list need to be removed. */
2374                         do_remove = 1;
2375                 }
2376
2377                 if (do_remove && dir_list->next == dir->dir_end) {
2378                         /* Found the end of the list.  Remove it. */
2379                         dir->dir_end = dir_list;
2380                         free(dir_list->next);
2381                         free(dirent);
2382                         dir_list->next = NULL;
2383                         break;
2384                 }
2385         }
2386 }
2387
2388 static void
2389 list_fn(const char *name,
2390         uint32 type,
2391         const char *comment,
2392         void *state)
2393 {
2394         SMBCFILE *dir = (SMBCFILE *)state;
2395         int dirent_type;
2396
2397         /*
2398          * We need to process the type a little ...
2399          *
2400          * Disk share     = 0x00000000
2401          * Print share    = 0x00000001
2402          * Comms share    = 0x00000002 (obsolete?)
2403          * IPC$ share     = 0x00000003
2404          *
2405          * administrative shares:
2406          * ADMIN$, IPC$, C$, D$, E$ ...  are type |= 0x80000000
2407          */
2408
2409         if (dir->dir_type == SMBC_FILE_SHARE) {
2410
2411                 switch (type) {
2412                 case 0 | 0x80000000:
2413                 case 0:
2414                         dirent_type = SMBC_FILE_SHARE;
2415                         break;
2416
2417                 case 1:
2418                         dirent_type = SMBC_PRINTER_SHARE;
2419                         break;
2420
2421                 case 2:
2422                         dirent_type = SMBC_COMMS_SHARE;
2423                         break;
2424
2425                 case 3 | 0x80000000:
2426                 case 3:
2427                         dirent_type = SMBC_IPC_SHARE;
2428                         break;
2429
2430                 default:
2431                         dirent_type = SMBC_FILE_SHARE; /* FIXME, error? */
2432                         break;
2433                 }
2434         }
2435         else {
2436                 dirent_type = dir->dir_type;
2437         }
2438
2439         if (add_dirent(dir, name, comment, dirent_type) < 0) {
2440
2441                 /* An error occurred, what do we do? */
2442                 /* FIXME: Add some code here */
2443
2444         }
2445 }
2446
2447 static void
2448 dir_list_fn(const char *mnt,
2449             file_info *finfo,
2450             const char *mask,
2451             void *state)
2452 {
2453
2454         if (add_dirent((SMBCFILE *)state, finfo->name, "",
2455                        (finfo->mode&aDIR?SMBC_DIR:SMBC_FILE)) < 0) {
2456
2457                 /* Handle an error ... */
2458
2459                 /* FIXME: Add some code ... */
2460
2461         }
2462
2463 }
2464
2465 static int
2466 net_share_enum_rpc(struct cli_state *cli,
2467                    void (*fn)(const char *name,
2468                               uint32 type,
2469                               const char *comment,
2470                               void *state),
2471                    void *state)
2472 {
2473         int i;
2474         NTSTATUS result;
2475         uint32 enum_hnd;
2476         uint32 info_level = 1;
2477         uint32 preferred_len = 0xffffffff;
2478         struct srvsvc_NetShareCtr1 ctr1;
2479         union srvsvc_NetShareCtr ctr;
2480         void *mem_ctx;
2481         struct rpc_pipe_client *pipe_hnd;
2482         uint32 numentries;
2483         NTSTATUS nt_status;
2484
2485         /* Open the server service pipe */
2486         pipe_hnd = cli_rpc_pipe_open_noauth(cli, PI_SRVSVC, &nt_status);
2487         if (!pipe_hnd) {
2488                 DEBUG(1, ("net_share_enum_rpc pipe open fail!\n"));
2489                 return -1;
2490         }
2491
2492         /* Allocate a context for parsing and for the entries in "ctr" */
2493         mem_ctx = talloc_init("libsmbclient: net_share_enum_rpc");
2494         if (mem_ctx == NULL) {
2495                 DEBUG(0, ("out of memory for net_share_enum_rpc!\n"));
2496                 cli_rpc_pipe_close(pipe_hnd);
2497                 return -1;
2498         }
2499
2500         ZERO_STRUCT(ctr1);
2501         ctr.ctr1 = &ctr1;
2502
2503         /* Issue the NetShareEnum RPC call and retrieve the response */
2504         enum_hnd = 0;
2505         result = rpccli_srvsvc_NetShareEnum(pipe_hnd, mem_ctx, NULL,
2506                                             &info_level, &ctr, preferred_len,
2507                                             &numentries, &enum_hnd);
2508
2509         /* Was it successful? */
2510         if (!NT_STATUS_IS_OK(result) || numentries == 0) {
2511                 /*  Nope.  Go clean up. */
2512                 goto done;
2513         }
2514
2515         /* For each returned entry... */
2516         for (i = 0; i < numentries; i++) {
2517
2518                 /* Add this share to the list */
2519                 (*fn)(ctr.ctr1->array[i].name,
2520                                           ctr.ctr1->array[i].type,
2521                                           ctr.ctr1->array[i].comment, state);
2522         }
2523
2524 done:
2525         /* Close the server service pipe */
2526         cli_rpc_pipe_close(pipe_hnd);
2527
2528         /* Free all memory which was allocated for this request */
2529         TALLOC_FREE(mem_ctx);
2530
2531         /* Tell 'em if it worked */
2532         return NT_STATUS_IS_OK(result) ? 0 : -1;
2533 }
2534
2535
2536
2537 static SMBCFILE *
2538 smbc_opendir_ctx(SMBCCTX *context,
2539                  const char *fname)
2540 {
2541         int saved_errno;
2542         fstring server, share, user, password, options;
2543         pstring workgroup;
2544         pstring path;
2545         uint16 mode;
2546         char *p;
2547         SMBCSRV *srv  = NULL;
2548         SMBCFILE *dir = NULL;
2549         struct _smbc_callbacks *cb;
2550         struct in_addr rem_ip;
2551
2552         if (!context || !context->internal ||
2553             !context->internal->_initialized) {
2554                 DEBUG(4, ("no valid context\n"));
2555                 errno = EINVAL + 8192;
2556                 return NULL;
2557
2558         }
2559
2560         if (!fname) {
2561                 DEBUG(4, ("no valid fname\n"));
2562                 errno = EINVAL + 8193;
2563                 return NULL;
2564         }
2565
2566         if (smbc_parse_path(context, fname,
2567                             workgroup, sizeof(workgroup),
2568                             server, sizeof(server),
2569                             share, sizeof(share),
2570                             path, sizeof(path),
2571                             user, sizeof(user),
2572                             password, sizeof(password),
2573                             options, sizeof(options))) {
2574                 DEBUG(4, ("no valid path\n"));
2575                 errno = EINVAL + 8194;
2576                 return NULL;
2577         }
2578
2579         DEBUG(4, ("parsed path: fname='%s' server='%s' share='%s' "
2580                   "path='%s' options='%s'\n",
2581                   fname, server, share, path, options));
2582
2583         /* Ensure the options are valid */
2584         if (smbc_check_options(server, share, path, options)) {
2585                 DEBUG(4, ("unacceptable options (%s)\n", options));
2586                 errno = EINVAL + 8195;
2587                 return NULL;
2588         }
2589
2590         if (user[0] == (char)0) fstrcpy(user, context->user);
2591
2592         dir = SMB_MALLOC_P(SMBCFILE);
2593
2594         if (!dir) {
2595
2596                 errno = ENOMEM;
2597                 return NULL;
2598
2599         }
2600
2601         ZERO_STRUCTP(dir);
2602
2603         dir->cli_fd   = 0;
2604         dir->fname    = SMB_STRDUP(fname);
2605         dir->srv      = NULL;
2606         dir->offset   = 0;
2607         dir->file     = False;
2608         dir->dir_list = dir->dir_next = dir->dir_end = NULL;
2609
2610         if (server[0] == (char)0) {
2611
2612                 int i;
2613                 int count;
2614                 int max_lmb_count;
2615                 struct ip_service *ip_list;
2616                 struct ip_service server_addr;
2617                 struct user_auth_info u_info;
2618                 struct cli_state *cli;
2619
2620                 if (share[0] != (char)0 || path[0] != (char)0) {
2621
2622                         errno = EINVAL + 8196;
2623                         if (dir) {
2624                                 SAFE_FREE(dir->fname);
2625                                 SAFE_FREE(dir);
2626                         }
2627                         return NULL;
2628                 }
2629
2630                 /* Determine how many local master browsers to query */
2631                 max_lmb_count = (context->options.browse_max_lmb_count == 0
2632                                  ? INT_MAX
2633                                  : context->options.browse_max_lmb_count);
2634
2635                 pstrcpy(u_info.username, user);
2636                 pstrcpy(u_info.password, password);
2637
2638                 /*
2639                  * We have server and share and path empty but options
2640                  * requesting that we scan all master browsers for their list
2641                  * of workgroups/domains.  This implies that we must first try
2642                  * broadcast queries to find all master browsers, and if that
2643                  * doesn't work, then try our other methods which return only
2644                  * a single master browser.
2645                  */
2646
2647                 ip_list = NULL;
2648                 if (!NT_STATUS_IS_OK(name_resolve_bcast(MSBROWSE, 1, &ip_list,
2649                                      &count)))
2650                 {
2651
2652                         SAFE_FREE(ip_list);
2653
2654                         if (!find_master_ip(workgroup, &server_addr.ip)) {
2655
2656                                 if (dir) {
2657                                         SAFE_FREE(dir->fname);
2658                                         SAFE_FREE(dir);
2659                                 }
2660                                 errno = ENOENT;
2661                                 return NULL;
2662                         }
2663
2664                         ip_list = &server_addr;
2665                         count = 1;
2666                 }
2667
2668                 for (i = 0; i < count && i < max_lmb_count; i++) {
2669                         DEBUG(99, ("Found master browser %d of %d: %s\n",
2670                                    i+1, MAX(count, max_lmb_count),
2671                                    inet_ntoa(ip_list[i].ip)));
2672
2673                         cli = get_ipc_connect_master_ip(&ip_list[i],
2674                                                         workgroup, &u_info);
2675                         /* cli == NULL is the master browser refused to talk or
2676                            could not be found */
2677                         if ( !cli )
2678                                 continue;
2679
2680                         fstrcpy(server, cli->desthost);
2681                         cli_shutdown(cli);
2682
2683                         DEBUG(4, ("using workgroup %s %s\n",
2684                                   workgroup, server));
2685
2686                         /*
2687                          * For each returned master browser IP address, get a
2688                          * connection to IPC$ on the server if we do not
2689                          * already have one, and determine the
2690                          * workgroups/domains that it knows about.
2691                          */
2692
2693                         srv = smbc_server(context, True, server, "IPC$",
2694                                           workgroup, user, password);
2695                         if (!srv) {
2696                                 continue;
2697                         }
2698
2699                         dir->srv = srv;
2700                         dir->dir_type = SMBC_WORKGROUP;
2701
2702                         /* Now, list the stuff ... */
2703
2704                         if (!cli_NetServerEnum(srv->cli,
2705                                                workgroup,
2706                                                SV_TYPE_DOMAIN_ENUM,
2707                                                list_unique_wg_fn,
2708                                                (void *)dir)) {
2709                                 continue;
2710                         }
2711                 }
2712
2713                 SAFE_FREE(ip_list);
2714         } else {
2715                 /*
2716                  * Server not an empty string ... Check the rest and see what
2717                  * gives
2718                  */
2719                 if (*share == '\0') {
2720                         if (*path != '\0') {
2721
2722                                 /* Should not have empty share with path */
2723                                 errno = EINVAL + 8197;
2724                                 if (dir) {
2725                                         SAFE_FREE(dir->fname);
2726                                         SAFE_FREE(dir);
2727                                 }
2728                                 return NULL;
2729
2730                         }
2731
2732                         /*
2733                          * We don't know if <server> is really a server name
2734                          * or is a workgroup/domain name.  If we already have
2735                          * a server structure for it, we'll use it.
2736                          * Otherwise, check to see if <server><1D>,
2737                          * <server><1B>, or <server><20> translates.  We check
2738                          * to see if <server> is an IP address first.
2739                          */
2740
2741                         /*
2742                          * See if we have an existing server.  Do not
2743                          * establish a connection if one does not already
2744                          * exist.
2745                          */
2746                         srv = smbc_server(context, False, server, "IPC$",
2747                                           workgroup, user, password);
2748
2749                         /*
2750                          * If no existing server and not an IP addr, look for
2751                          * LMB or DMB
2752                          */
2753                         if (!srv &&
2754                             !is_ipaddress(server) &&
2755                             (resolve_name(server, &rem_ip, 0x1d) ||   /* LMB */
2756                              resolve_name(server, &rem_ip, 0x1b) )) { /* DMB */
2757
2758                                 fstring buserver;
2759
2760                                 dir->dir_type = SMBC_SERVER;
2761
2762                                 /*
2763                                  * Get the backup list ...
2764                                  */
2765                                 if (!name_status_find(server, 0, 0,
2766                                                       rem_ip, buserver)) {
2767
2768                                         DEBUG(0, ("Could not get name of "
2769                                                   "local/domain master browser "
2770                                                   "for server %s\n", server));
2771                                         if (dir) {
2772                                                 SAFE_FREE(dir->fname);
2773                                                 SAFE_FREE(dir);
2774                                         }
2775                                         errno = EPERM;
2776                                         return NULL;
2777
2778                                 }
2779
2780                                 /*
2781                                  * Get a connection to IPC$ on the server if
2782                                  * we do not already have one
2783                                  */
2784                                 srv = smbc_server(context, True,
2785                                                   buserver, "IPC$",
2786                                                   workgroup, user, password);
2787                                 if (!srv) {
2788                                         DEBUG(0, ("got no contact to IPC$\n"));
2789                                         if (dir) {
2790                                                 SAFE_FREE(dir->fname);
2791                                                 SAFE_FREE(dir);
2792                                         }
2793                                         return NULL;
2794
2795                                 }
2796
2797                                 dir->srv = srv;
2798
2799                                 /* Now, list the servers ... */
2800                                 if (!cli_NetServerEnum(srv->cli, server,
2801                                                        0x0000FFFE, list_fn,
2802                                                        (void *)dir)) {
2803
2804                                         if (dir) {
2805                                                 SAFE_FREE(dir->fname);
2806                                                 SAFE_FREE(dir);
2807                                         }
2808                                         return NULL;
2809                                 }
2810                         } else if (srv ||
2811                                    (resolve_name(server, &rem_ip, 0x20))) {
2812
2813                                 /* If we hadn't found the server, get one now */
2814                                 if (!srv) {
2815                                         srv = smbc_server(context, True,
2816                                                           server, "IPC$",
2817                                                           workgroup,
2818                                                           user, password);
2819                                 }
2820
2821                                 if (!srv) {
2822                                         if (dir) {
2823                                                 SAFE_FREE(dir->fname);
2824                                                 SAFE_FREE(dir);
2825                                         }
2826                                         return NULL;
2827
2828                                 }
2829
2830                                 dir->dir_type = SMBC_FILE_SHARE;
2831                                 dir->srv = srv;
2832
2833                                 /* List the shares ... */
2834
2835                                 if (net_share_enum_rpc(
2836                                             srv->cli,
2837                                             list_fn,
2838                                             (void *) dir) < 0 &&
2839                                     cli_RNetShareEnum(
2840                                             srv->cli,
2841                                             list_fn,
2842                                             (void *)dir) < 0) {
2843
2844                                         errno = cli_errno(srv->cli);
2845                                         if (dir) {
2846                                                 SAFE_FREE(dir->fname);
2847                                                 SAFE_FREE(dir);
2848                                         }
2849                                         return NULL;
2850
2851                                 }
2852                         } else {
2853                                 /* Neither the workgroup nor server exists */
2854                                 errno = ECONNREFUSED;
2855                                 if (dir) {
2856                                         SAFE_FREE(dir->fname);
2857                                         SAFE_FREE(dir);
2858                                 }
2859                                 return NULL;
2860                         }
2861
2862                 }
2863                 else {
2864                         /*
2865                          * The server and share are specified ... work from
2866                          * there ...
2867                          */
2868                         pstring targetpath;
2869                         struct cli_state *targetcli;
2870
2871                         /* We connect to the server and list the directory */
2872                         dir->dir_type = SMBC_FILE_SHARE;
2873
2874                         srv = smbc_server(context, True, server, share,
2875                                           workgroup, user, password);
2876
2877                         if (!srv) {
2878
2879                                 if (dir) {
2880                                         SAFE_FREE(dir->fname);
2881                                         SAFE_FREE(dir);
2882                                 }
2883                                 return NULL;
2884
2885                         }
2886
2887                         dir->srv = srv;
2888
2889                         /* Now, list the files ... */
2890
2891                         p = path + strlen(path);
2892                         pstrcat(path, "\\*");
2893
2894                         if (!cli_resolve_path("", srv->cli, path,
2895                                               &targetcli, targetpath))
2896                         {
2897                                 d_printf("Could not resolve %s\n", path);
2898                                 if (dir) {
2899                                         SAFE_FREE(dir->fname);
2900                                         SAFE_FREE(dir);
2901                                 }
2902                                 return NULL;
2903                         }
2904
2905                         if (cli_list(targetcli, targetpath,
2906                                      aDIR | aSYSTEM | aHIDDEN,
2907                                      dir_list_fn, (void *)dir) < 0) {
2908
2909                                 if (dir) {
2910                                         SAFE_FREE(dir->fname);
2911                                         SAFE_FREE(dir);
2912                                 }
2913                                 saved_errno = smbc_errno(context, targetcli);
2914
2915                                 if (saved_errno == EINVAL) {
2916                                     /*
2917                                      * See if they asked to opendir something
2918                                      * other than a directory.  If so, the
2919                                      * converted error value we got would have
2920                                      * been EINVAL rather than ENOTDIR.
2921                                      */
2922                                     *p = '\0'; /* restore original path */
2923
2924                                     if (smbc_getatr(context, srv, path,
2925                                                     &mode, NULL,
2926                                                     NULL, NULL, NULL, NULL,
2927                                                     NULL) &&
2928                                         ! IS_DOS_DIR(mode)) {
2929
2930                                         /* It is.  Correct the error value */
2931                                         saved_errno = ENOTDIR;
2932                                     }
2933                                 }
2934
2935                                 /*
2936                                  * If there was an error and the server is no
2937                                  * good any more...
2938                                  */
2939                                 cb = &context->callbacks;
2940                                 if (cli_is_error(targetcli) &&
2941                                     (cb->check_server_fn)(context, srv)) {
2942
2943                                         /* ... then remove it. */
2944                                         if ((cb->remove_unused_server_fn)(context,
2945                                                                           srv)) {
2946                                                 /*
2947                                                  * We could not remove the
2948                                                  * server completely, remove
2949                                                  * it from the cache so we
2950                                                  * will not get it again. It
2951                                                  * will be removed when the
2952                                                  * last file/dir is closed.
2953                                                  */
2954                                                 (cb->remove_cached_srv_fn)(context,
2955                                                                            srv);
2956                                         }
2957                                 }
2958
2959                                 errno = saved_errno;
2960                                 return NULL;
2961                         }
2962                 }
2963
2964         }
2965
2966         DLIST_ADD(context->internal->_files, dir);
2967         return dir;
2968
2969 }
2970
2971 /*
2972  * Routine to close a directory
2973  */
2974
2975 static int
2976 smbc_closedir_ctx(SMBCCTX *context,
2977                   SMBCFILE *dir)
2978 {
2979
2980         if (!context || !context->internal ||
2981             !context->internal->_initialized) {
2982
2983                 errno = EINVAL;
2984                 return -1;
2985
2986         }
2987
2988         if (!dir || !DLIST_CONTAINS(context->internal->_files, dir)) {
2989
2990                 errno = EBADF;
2991                 return -1;
2992
2993         }
2994
2995         smbc_remove_dir(dir); /* Clean it up */
2996
2997         DLIST_REMOVE(context->internal->_files, dir);
2998
2999         if (dir) {
3000
3001                 SAFE_FREE(dir->fname);
3002                 SAFE_FREE(dir);    /* Free the space too */
3003         }
3004
3005         return 0;
3006
3007 }
3008
3009 static void
3010 smbc_readdir_internal(SMBCCTX * context,
3011                       struct smbc_dirent *dest,
3012                       struct smbc_dirent *src,
3013                       int max_namebuf_len)
3014 {
3015         if (context->options.urlencode_readdir_entries) {
3016
3017                 /* url-encode the name.  get back remaining buffer space */
3018                 max_namebuf_len =
3019                         smbc_urlencode(dest->name, src->name, max_namebuf_len);
3020
3021                 /* We now know the name length */
3022                 dest->namelen = strlen(dest->name);
3023
3024                 /* Save the pointer to the beginning of the comment */
3025                 dest->comment = dest->name + dest->namelen + 1;
3026
3027                 /* Copy the comment */
3028                 strncpy(dest->comment, src->comment, max_namebuf_len - 1);
3029                 dest->comment[max_namebuf_len - 1] = '\0';
3030
3031                 /* Save other fields */
3032                 dest->smbc_type = src->smbc_type;
3033                 dest->commentlen = strlen(dest->comment);
3034                 dest->dirlen = ((dest->comment + dest->commentlen + 1) -
3035                                 (char *) dest);
3036         } else {
3037
3038                 /* No encoding.  Just copy the entry as is. */
3039                 memcpy(dest, src, src->dirlen);
3040                 dest->comment = (char *)(&dest->name + src->namelen + 1);
3041         }
3042
3043 }
3044
3045 /*
3046  * Routine to get a directory entry
3047  */
3048
3049 struct smbc_dirent *
3050 smbc_readdir_ctx(SMBCCTX *context,
3051                  SMBCFILE *dir)
3052 {
3053         int maxlen;
3054         struct smbc_dirent *dirp, *dirent;
3055
3056         /* Check that all is ok first ... */
3057
3058         if (!context || !context->internal ||
3059             !context->internal->_initialized) {
3060
3061                 errno = EINVAL;
3062                 DEBUG(0, ("Invalid context in smbc_readdir_ctx()\n"));
3063                 return NULL;
3064
3065         }
3066
3067         if (!dir || !DLIST_CONTAINS(context->internal->_files, dir)) {
3068
3069                 errno = EBADF;
3070                 DEBUG(0, ("Invalid dir in smbc_readdir_ctx()\n"));
3071                 return NULL;
3072
3073         }
3074
3075         if (dir->file != False) { /* FIXME, should be dir, perhaps */
3076
3077                 errno = ENOTDIR;
3078                 DEBUG(0, ("Found file vs directory in smbc_readdir_ctx()\n"));
3079                 return NULL;
3080
3081         }
3082
3083         if (!dir->dir_next) {
3084                 return NULL;
3085         }
3086
3087         dirent = dir->dir_next->dirent;
3088         if (!dirent) {
3089
3090                 errno = ENOENT;
3091                 return NULL;
3092
3093         }
3094
3095         dirp = (struct smbc_dirent *)context->internal->_dirent;
3096         maxlen = (sizeof(context->internal->_dirent) -
3097                   sizeof(struct smbc_dirent));
3098
3099         smbc_readdir_internal(context, dirp, dirent, maxlen);
3100
3101         dir->dir_next = dir->dir_next->next;
3102
3103         return dirp;
3104 }
3105
3106 /*
3107  * Routine to get directory entries
3108  */
3109
3110 static int
3111 smbc_getdents_ctx(SMBCCTX *context,
3112                   SMBCFILE *dir,
3113                   struct smbc_dirent *dirp,
3114                   int count)
3115 {
3116         int rem = count;
3117         int reqd;
3118         int maxlen;
3119         char *ndir = (char *)dirp;
3120         struct smbc_dir_list *dirlist;
3121
3122         /* Check that all is ok first ... */
3123
3124         if (!context || !context->internal ||
3125             !context->internal->_initialized) {
3126
3127                 errno = EINVAL;
3128                 return -1;
3129
3130         }
3131
3132         if (!dir || !DLIST_CONTAINS(context->internal->_files, dir)) {
3133
3134                 errno = EBADF;
3135                 return -1;
3136
3137         }
3138
3139         if (dir->file != False) { /* FIXME, should be dir, perhaps */
3140
3141                 errno = ENOTDIR;
3142                 return -1;
3143
3144         }
3145
3146         /*
3147          * Now, retrieve the number of entries that will fit in what was passed
3148          * We have to figure out if the info is in the list, or we need to
3149          * send a request to the server to get the info.
3150          */
3151
3152         while ((dirlist = dir->dir_next)) {
3153                 struct smbc_dirent *dirent;
3154
3155                 if (!dirlist->dirent) {
3156
3157                         errno = ENOENT;  /* Bad error */
3158                         return -1;
3159
3160                 }
3161
3162                 /* Do urlencoding of next entry, if so selected */
3163                 dirent = (struct smbc_dirent *)context->internal->_dirent;
3164                 maxlen = (sizeof(context->internal->_dirent) -
3165                           sizeof(struct smbc_dirent));
3166                 smbc_readdir_internal(context, dirent, dirlist->dirent, maxlen);
3167
3168                 reqd = dirent->dirlen;
3169
3170                 if (rem < reqd) {
3171
3172                         if (rem < count) { /* We managed to copy something */
3173
3174                                 errno = 0;
3175                                 return count - rem;
3176
3177                         }
3178                         else { /* Nothing copied ... */
3179
3180                                 errno = EINVAL;  /* Not enough space ... */
3181                                 return -1;
3182
3183                         }
3184
3185                 }
3186
3187                 memcpy(ndir, dirent, reqd); /* Copy the data in ... */
3188
3189                 ((struct smbc_dirent *)ndir)->comment =
3190                         (char *)(&((struct smbc_dirent *)ndir)->name +
3191                                  dirent->namelen +
3192                                  1);
3193
3194                 ndir += reqd;
3195
3196                 rem -= reqd;
3197
3198                 dir->dir_next = dirlist = dirlist -> next;
3199         }
3200
3201         if (rem == count)
3202                 return 0;
3203         else
3204                 return count - rem;
3205
3206 }
3207
3208 /*
3209  * Routine to create a directory ...
3210  */
3211
3212 static int
3213 smbc_mkdir_ctx(SMBCCTX *context,
3214                const char *fname,
3215                mode_t mode)
3216 {
3217         SMBCSRV *srv;
3218         fstring server;
3219         fstring share;
3220         fstring user;
3221         fstring password;
3222         fstring workgroup;
3223         pstring path, targetpath;
3224         struct cli_state *targetcli;
3225
3226         if (!context || !context->internal ||
3227             !context->internal->_initialized) {
3228
3229                 errno = EINVAL;
3230                 return -1;
3231
3232         }
3233
3234         if (!fname) {
3235
3236                 errno = EINVAL;
3237                 return -1;
3238
3239         }
3240
3241         DEBUG(4, ("smbc_mkdir(%s)\n", fname));
3242
3243         if (smbc_parse_path(context, fname,
3244                             workgroup, sizeof(workgroup),
3245                             server, sizeof(server),
3246                             share, sizeof(share),
3247                             path, sizeof(path),
3248                             user, sizeof(user),
3249                             password, sizeof(password),
3250                             NULL, 0)) {
3251                 errno = EINVAL;
3252                 return -1;
3253         }
3254
3255         if (user[0] == (char)0) fstrcpy(user, context->user);
3256
3257         srv = smbc_server(context, True,
3258                           server, share, workgroup, user, password);
3259
3260         if (!srv) {
3261
3262                 return -1;  /* errno set by smbc_server */
3263
3264         }
3265
3266         /*d_printf(">>>mkdir: resolving %s\n", path);*/
3267         if (!cli_resolve_path( "", srv->cli, path, &targetcli, targetpath))
3268         {
3269                 d_printf("Could not resolve %s\n", path);
3270                 return -1;
3271         }
3272         /*d_printf(">>>mkdir: resolved path as %s\n", targetpath);*/
3273
3274         if (!cli_mkdir(targetcli, targetpath)) {
3275
3276                 errno = smbc_errno(context, targetcli);
3277                 return -1;
3278
3279         }
3280
3281         return 0;
3282
3283 }
3284
3285 /*
3286  * Our list function simply checks to see if a directory is not empty
3287  */
3288
3289 static int smbc_rmdir_dirempty = True;
3290
3291 static void
3292 rmdir_list_fn(const char *mnt,
3293               file_info *finfo,
3294               const char *mask,
3295               void *state)
3296 {
3297         if (strncmp(finfo->name, ".", 1) != 0 &&
3298             strncmp(finfo->name, "..", 2) != 0) {
3299
3300                 smbc_rmdir_dirempty = False;
3301         }
3302 }
3303
3304 /*
3305  * Routine to remove a directory
3306  */
3307
3308 static int
3309 smbc_rmdir_ctx(SMBCCTX *context,
3310                const char *fname)
3311 {
3312         SMBCSRV *srv;
3313         fstring server;
3314         fstring share;
3315         fstring user;
3316         fstring password;
3317         fstring workgroup;
3318         pstring path;
3319         pstring targetpath;
3320         struct cli_state *targetcli;
3321
3322         if (!context || !context->internal ||
3323             !context->internal->_initialized) {
3324
3325                 errno = EINVAL;
3326                 return -1;
3327
3328         }
3329
3330         if (!fname) {
3331
3332                 errno = EINVAL;
3333                 return -1;
3334
3335         }
3336
3337         DEBUG(4, ("smbc_rmdir(%s)\n", fname));
3338
3339         if (smbc_parse_path(context, fname,
3340                             workgroup, sizeof(workgroup),
3341                             server, sizeof(server),
3342                             share, sizeof(share),
3343                             path, sizeof(path),
3344                             user, sizeof(user),
3345                             password, sizeof(password),
3346                             NULL, 0))
3347         {
3348                 errno = EINVAL;
3349                 return -1;
3350         }
3351
3352         if (user[0] == (char)0) fstrcpy(user, context->user);
3353
3354         srv = smbc_server(context, True,
3355                           server, share, workgroup, user, password);
3356
3357         if (!srv) {
3358
3359                 return -1;  /* errno set by smbc_server */
3360
3361         }
3362
3363         /*d_printf(">>>rmdir: resolving %s\n", path);*/
3364         if (!cli_resolve_path( "", srv->cli, path, &targetcli, targetpath))
3365         {
3366                 d_printf("Could not resolve %s\n", path);
3367                 return -1;
3368         }
3369         /*d_printf(">>>rmdir: resolved path as %s\n", targetpath);*/
3370
3371
3372         if (!cli_rmdir(targetcli, targetpath)) {
3373
3374                 errno = smbc_errno(context, targetcli);
3375
3376                 if (errno == EACCES) {  /* Check if the dir empty or not */
3377
3378                         /* Local storage to avoid buffer overflows */
3379                         pstring lpath;
3380
3381                         smbc_rmdir_dirempty = True;  /* Make this so ... */
3382
3383                         pstrcpy(lpath, targetpath);
3384                         pstrcat(lpath, "\\*");
3385
3386                         if (cli_list(targetcli, lpath,
3387                                      aDIR | aSYSTEM | aHIDDEN,
3388                                      rmdir_list_fn, NULL) < 0) {
3389
3390                                 /* Fix errno to ignore latest error ... */
3391                                 DEBUG(5, ("smbc_rmdir: "
3392                                           "cli_list returned an error: %d\n",
3393                                           smbc_errno(context, targetcli)));
3394                                 errno = EACCES;
3395
3396                         }
3397
3398                         if (smbc_rmdir_dirempty)
3399                                 errno = EACCES;
3400                         else
3401                                 errno = ENOTEMPTY;
3402
3403                 }
3404
3405                 return -1;
3406
3407         }
3408
3409         return 0;
3410
3411 }
3412
3413 /*
3414  * Routine to return the current directory position
3415  */
3416
3417 static off_t
3418 smbc_telldir_ctx(SMBCCTX *context,
3419                  SMBCFILE *dir)
3420 {
3421         if (!context || !context->internal ||
3422             !context->internal->_initialized) {
3423
3424                 errno = EINVAL;
3425                 return -1;
3426
3427         }
3428
3429         if (!dir || !DLIST_CONTAINS(context->internal->_files, dir)) {
3430
3431                 errno = EBADF;
3432                 return -1;
3433
3434         }
3435
3436         if (dir->file != False) { /* FIXME, should be dir, perhaps */
3437
3438                 errno = ENOTDIR;
3439                 return -1;
3440
3441         }
3442
3443         /* See if we're already at the end. */
3444         if (dir->dir_next == NULL) {
3445                 /* We are. */
3446                 return -1;
3447         }
3448
3449         /*
3450          * We return the pointer here as the offset
3451          */
3452         return (off_t)(long)dir->dir_next->dirent;
3453 }
3454
3455 /*
3456  * A routine to run down the list and see if the entry is OK
3457  */
3458
3459 struct smbc_dir_list *
3460 smbc_check_dir_ent(struct smbc_dir_list *list,
3461                    struct smbc_dirent *dirent)
3462 {
3463
3464         /* Run down the list looking for what we want */
3465
3466         if (dirent) {
3467
3468                 struct smbc_dir_list *tmp = list;
3469
3470                 while (tmp) {
3471
3472                         if (tmp->dirent == dirent)
3473                                 return tmp;
3474
3475                         tmp = tmp->next;
3476
3477                 }
3478
3479         }
3480
3481         return NULL;  /* Not found, or an error */
3482
3483 }
3484
3485
3486 /*
3487  * Routine to seek on a directory
3488  */
3489
3490 static int
3491 smbc_lseekdir_ctx(SMBCCTX *context,
3492                   SMBCFILE *dir,
3493                   off_t offset)
3494 {
3495         long int l_offset = offset;  /* Handle problems of size */
3496         struct smbc_dirent *dirent = (struct smbc_dirent *)l_offset;
3497         struct smbc_dir_list *list_ent = (struct smbc_dir_list *)NULL;
3498
3499         if (!context || !context->internal ||
3500             !context->internal->_initialized) {
3501
3502                 errno = EINVAL;
3503                 return -1;
3504
3505         }
3506
3507         if (dir->file != False) { /* FIXME, should be dir, perhaps */
3508
3509                 errno = ENOTDIR;
3510                 return -1;
3511
3512         }
3513
3514         /* Now, check what we were passed and see if it is OK ... */
3515
3516         if (dirent == NULL) {  /* Seek to the begining of the list */
3517
3518                 dir->dir_next = dir->dir_list;
3519                 return 0;
3520
3521         }
3522
3523         if (offset == -1) {     /* Seek to the end of the list */
3524                 dir->dir_next = NULL;
3525                 return 0;
3526         }
3527
3528         /* Now, run down the list and make sure that the entry is OK       */
3529         /* This may need to be changed if we change the format of the list */
3530
3531         if ((list_ent = smbc_check_dir_ent(dir->dir_list, dirent)) == NULL) {
3532
3533                 errno = EINVAL;   /* Bad entry */
3534                 return -1;
3535
3536         }
3537
3538         dir->dir_next = list_ent;
3539
3540         return 0;
3541
3542 }
3543
3544 /*
3545  * Routine to fstat a dir
3546  */
3547
3548 static int
3549 smbc_fstatdir_ctx(SMBCCTX *context,
3550                   SMBCFILE *dir,
3551                   struct stat *st)
3552 {
3553
3554         if (!context || !context->internal ||
3555             !context->internal->_initialized) {
3556
3557                 errno = EINVAL;
3558                 return -1;
3559
3560         }
3561
3562         /* No code yet ... */
3563
3564         return 0;
3565
3566 }
3567
3568 static int
3569 smbc_chmod_ctx(SMBCCTX *context,
3570                const char *fname,
3571                mode_t newmode)
3572 {
3573         SMBCSRV *srv;
3574         fstring server;
3575         fstring share;
3576         fstring user;
3577         fstring password;
3578         fstring workgroup;
3579         pstring path;
3580         uint16 mode;
3581
3582         if (!context || !context->internal ||
3583             !context->internal->_initialized) {
3584
3585                 errno = EINVAL;  /* Best I can think of ... */
3586                 return -1;
3587
3588         }
3589
3590         if (!fname) {
3591
3592                 errno = EINVAL;
3593                 return -1;
3594
3595         }
3596
3597         DEBUG(4, ("smbc_chmod(%s, 0%3o)\n", fname, newmode));
3598
3599         if (smbc_parse_path(context, fname,
3600                             workgroup, sizeof(workgroup),
3601                             server, sizeof(server),
3602                             share, sizeof(share),
3603                             path, sizeof(path),
3604                             user, sizeof(user),
3605                             password, sizeof(password),
3606                             NULL, 0)) {
3607                 errno = EINVAL;
3608                 return -1;
3609         }
3610
3611         if (user[0] == (char)0) fstrcpy(user, context->user);
3612
3613         srv = smbc_server(context, True,
3614                           server, share, workgroup, user, password);
3615
3616         if (!srv) {
3617                 return -1;  /* errno set by smbc_server */
3618         }
3619
3620         mode = 0;
3621
3622         if (!(newmode & (S_IWUSR | S_IWGRP | S_IWOTH))) mode |= aRONLY;
3623         if ((newmode & S_IXUSR) && lp_map_archive(-1)) mode |= aARCH;
3624         if ((newmode & S_IXGRP) && lp_map_system(-1)) mode |= aSYSTEM;
3625         if ((newmode & S_IXOTH) && lp_map_hidden(-1)) mode |= aHIDDEN;
3626
3627         if (!cli_setatr(srv->cli, path, mode, 0)) {
3628                 errno = smbc_errno(context, srv->cli);
3629                 return -1;
3630         }
3631
3632         return 0;
3633 }
3634
3635 static int
3636 smbc_utimes_ctx(SMBCCTX *context,
3637                 const char *fname,
3638                 struct timeval *tbuf)
3639 {
3640         SMBCSRV *srv;
3641         fstring server;
3642         fstring share;
3643         fstring user;
3644         fstring password;
3645         fstring workgroup;
3646         pstring path;
3647         time_t access_time;
3648         time_t write_time;
3649
3650         if (!context || !context->internal ||
3651             !context->internal->_initialized) {
3652
3653                 errno = EINVAL;  /* Best I can think of ... */
3654                 return -1;
3655
3656         }
3657
3658         if (!fname) {
3659
3660                 errno = EINVAL;
3661                 return -1;
3662
3663         }
3664
3665         if (tbuf == NULL) {
3666                 access_time = write_time = time(NULL);
3667         } else {
3668                 access_time = tbuf[0].tv_sec;
3669                 write_time = tbuf[1].tv_sec;
3670         }
3671
3672         if (DEBUGLVL(4))
3673         {
3674                 char *p;
3675                 char atimebuf[32];
3676                 char mtimebuf[32];
3677
3678                 strncpy(atimebuf, ctime(&access_time), sizeof(atimebuf) - 1);
3679                 atimebuf[sizeof(atimebuf) - 1] = '\0';
3680                 if ((p = strchr(atimebuf, '\n')) != NULL) {
3681                         *p = '\0';
3682                 }
3683
3684                 strncpy(mtimebuf, ctime(&write_time), sizeof(mtimebuf) - 1);
3685                 mtimebuf[sizeof(mtimebuf) - 1] = '\0';
3686                 if ((p = strchr(mtimebuf, '\n')) != NULL) {
3687                         *p = '\0';
3688                 }
3689
3690                 dbgtext("smbc_utimes(%s, atime = %s mtime = %s)\n",
3691                         fname, atimebuf, mtimebuf);
3692         }
3693
3694         if (smbc_parse_path(context, fname,
3695                             workgroup, sizeof(workgroup),
3696                             server, sizeof(server),
3697                             share, sizeof(share),
3698                             path, sizeof(path),
3699                             user, sizeof(user),
3700                             password, sizeof(password),
3701                             NULL, 0)) {
3702                 errno = EINVAL;
3703                 return -1;
3704         }
3705
3706         if (user[0] == (char)0) fstrcpy(user, context->user);
3707
3708         srv = smbc_server(context, True,
3709                           server, share, workgroup, user, password);
3710
3711         if (!srv) {
3712                 return -1;      /* errno set by smbc_server */
3713         }
3714
3715         if (!smbc_setatr(context, srv, path,
3716                          0, access_time, write_time, 0, 0)) {
3717                 return -1;      /* errno set by smbc_setatr */
3718         }
3719
3720         return 0;
3721 }
3722
3723
3724 /*
3725  * Sort ACEs according to the documentation at
3726  * http://support.microsoft.com/kb/269175, at least as far as it defines the
3727  * order.
3728  */
3729
3730 static int
3731 ace_compare(SEC_ACE *ace1,
3732             SEC_ACE *ace2)
3733 {
3734         BOOL b1;
3735         BOOL b2;
3736
3737         /* If the ACEs are equal, we have nothing more to do. */
3738         if (sec_ace_equal(ace1, ace2)) {
3739                 return 0;
3740         }
3741
3742         /* Inherited follow non-inherited */
3743         b1 = ((ace1->flags & SEC_ACE_FLAG_INHERITED_ACE) != 0);
3744         b2 = ((ace2->flags & SEC_ACE_FLAG_INHERITED_ACE) != 0);
3745         if (b1 != b2) {
3746                 return (b1 ? 1 : -1);
3747         }
3748
3749         /*
3750          * What shall we do with AUDITs and ALARMs?  It's undefined.  We'll
3751          * sort them after DENY and ALLOW.
3752          */
3753         b1 = (ace1->type != SEC_ACE_TYPE_ACCESS_ALLOWED &&
3754               ace1->type != SEC_ACE_TYPE_ACCESS_ALLOWED_OBJECT &&
3755               ace1->type != SEC_ACE_TYPE_ACCESS_DENIED &&
3756               ace1->type != SEC_ACE_TYPE_ACCESS_DENIED_OBJECT);
3757         b2 = (ace2->type != SEC_ACE_TYPE_ACCESS_ALLOWED &&
3758               ace2->type != SEC_ACE_TYPE_ACCESS_ALLOWED_OBJECT &&
3759               ace2->type != SEC_ACE_TYPE_ACCESS_DENIED &&
3760               ace2->type != SEC_ACE_TYPE_ACCESS_DENIED_OBJECT);
3761         if (b1 != b2) {
3762                 return (b1 ? 1 : -1);
3763         }
3764
3765         /* Allowed ACEs follow denied ACEs */
3766         b1 = (ace1->type == SEC_ACE_TYPE_ACCESS_ALLOWED ||
3767               ace1->type == SEC_ACE_TYPE_ACCESS_ALLOWED_OBJECT);
3768         b2 = (ace2->type == SEC_ACE_TYPE_ACCESS_ALLOWED ||
3769               ace2->type == SEC_ACE_TYPE_ACCESS_ALLOWED_OBJECT);
3770         if (b1 != b2) {
3771                 return (b1 ? 1 : -1);
3772         }
3773
3774         /*
3775          * ACEs applying to an entity's object follow those applying to the
3776          * entity itself
3777          */
3778         b1 = (ace1->type == SEC_ACE_TYPE_ACCESS_ALLOWED_OBJECT ||
3779               ace1->type == SEC_ACE_TYPE_ACCESS_DENIED_OBJECT);
3780         b2 = (ace2->type == SEC_ACE_TYPE_ACCESS_ALLOWED_OBJECT ||
3781               ace2->type == SEC_ACE_TYPE_ACCESS_DENIED_OBJECT);
3782         if (b1 != b2) {
3783                 return (b1 ? 1 : -1);
3784         }
3785
3786         /*
3787          * If we get this far, the ACEs are similar as far as the
3788          * characteristics we typically care about (those defined by the
3789          * referenced MS document).  We'll now sort by characteristics that
3790          * just seems reasonable.
3791          */
3792
3793         if (ace1->type != ace2->type) {
3794                 return ace2->type - ace1->type;
3795         }
3796
3797         if (sid_compare(&ace1->trustee, &ace2->trustee)) {
3798                 return sid_compare(&ace1->trustee, &ace2->trustee);
3799         }
3800
3801         if (ace1->flags != ace2->flags) {
3802                 return ace1->flags - ace2->flags;
3803         }
3804
3805         if (ace1->access_mask != ace2->access_mask) {
3806                 return ace1->access_mask - ace2->access_mask;
3807         }
3808
3809         if (ace1->size != ace2->size) {
3810                 return ace1->size - ace2->size;
3811         }
3812
3813         return memcmp(ace1, ace2, sizeof(SEC_ACE));
3814 }
3815
3816
3817 static void
3818 sort_acl(SEC_ACL *the_acl)
3819 {
3820         uint32 i;
3821         if (!the_acl) return;
3822
3823         qsort(the_acl->aces, the_acl->num_aces, sizeof(the_acl->aces[0]),
3824               QSORT_CAST ace_compare);
3825
3826         for (i=1;i<the_acl->num_aces;) {
3827                 if (sec_ace_equal(&the_acl->aces[i-1], &the_acl->aces[i])) {
3828                         int j;
3829                         for (j=i; j<the_acl->num_aces-1; j++) {
3830                                 the_acl->aces[j] = the_acl->aces[j+1];
3831                         }
3832                         the_acl->num_aces--;
3833                 } else {
3834                         i++;
3835                 }
3836         }
3837 }
3838
3839 /* convert a SID to a string, either numeric or username/group */
3840 static void
3841 convert_sid_to_string(struct cli_state *ipc_cli,
3842                       POLICY_HND *pol,
3843                       fstring str,
3844                       BOOL numeric,
3845                       DOM_SID *sid)
3846 {
3847         char **domains = NULL;
3848         char **names = NULL;
3849         enum lsa_SidType *types = NULL;
3850         struct rpc_pipe_client *pipe_hnd = find_lsa_pipe_hnd(ipc_cli);
3851         sid_to_string(str, sid);
3852
3853         if (numeric) {
3854                 return;     /* no lookup desired */
3855         }
3856
3857         if (!pipe_hnd) {
3858                 return;
3859         }
3860
3861         /* Ask LSA to convert the sid to a name */
3862
3863         if (!NT_STATUS_IS_OK(rpccli_lsa_lookup_sids(pipe_hnd, ipc_cli->mem_ctx,
3864                                                  pol, 1, sid, &domains,
3865                                                  &names, &types)) ||
3866             !domains || !domains[0] || !names || !names[0]) {
3867                 return;
3868         }
3869
3870         /* Converted OK */
3871
3872         slprintf(str, sizeof(fstring) - 1, "%s%s%s",
3873                  domains[0], lp_winbind_separator(),
3874                  names[0]);
3875 }
3876
3877 /* convert a string to a SID, either numeric or username/group */
3878 static BOOL
3879 convert_string_to_sid(struct cli_state *ipc_cli,
3880                       POLICY_HND *pol,
3881                       BOOL numeric,
3882                       DOM_SID *sid,
3883                       const char *str)
3884 {
3885         enum lsa_SidType *types = NULL;
3886         DOM_SID *sids = NULL;
3887         BOOL result = True;
3888         struct rpc_pipe_client *pipe_hnd = find_lsa_pipe_hnd(ipc_cli);
3889
3890         if (!pipe_hnd) {
3891                 return False;
3892         }
3893
3894         if (numeric) {
3895                 if (strncmp(str, "S-", 2) == 0) {
3896                         return string_to_sid(sid, str);
3897                 }
3898
3899                 result = False;
3900                 goto done;
3901         }
3902
3903         if (!NT_STATUS_IS_OK(rpccli_lsa_lookup_names(pipe_hnd, ipc_cli->mem_ctx,
3904                                                   pol, 1, &str, NULL, 1, &sids,
3905                                                   &types))) {
3906                 result = False;
3907                 goto done;
3908         }
3909
3910         sid_copy(sid, &sids[0]);
3911  done:
3912
3913         return result;
3914 }
3915
3916
3917 /* parse an ACE in the same format as print_ace() */
3918 static BOOL
3919 parse_ace(struct cli_state *ipc_cli,
3920           POLICY_HND *pol,
3921           SEC_ACE *ace,
3922           BOOL numeric,
3923           char *str)
3924 {
3925         char *p;
3926         const char *cp;
3927         fstring tok;
3928         unsigned int atype;
3929         unsigned int aflags;
3930         unsigned int amask;
3931         DOM_SID sid;
3932         SEC_ACCESS mask;
3933         const struct perm_value *v;
3934         struct perm_value {
3935                 const char *perm;
3936                 uint32 mask;
3937         };
3938
3939         /* These values discovered by inspection */
3940         static const struct perm_value special_values[] = {
3941                 { "R", 0x00120089 },
3942                 { "W", 0x00120116 },
3943                 { "X", 0x001200a0 },
3944                 { "D", 0x00010000 },
3945                 { "P", 0x00040000 },
3946                 { "O", 0x00080000 },
3947                 { NULL, 0 },
3948         };
3949
3950         static const struct perm_value standard_values[] = {
3951                 { "READ",   0x001200a9 },
3952                 { "CHANGE", 0x001301bf },
3953                 { "FULL",   0x001f01ff },
3954                 { NULL, 0 },
3955         };
3956
3957
3958         ZERO_STRUCTP(ace);
3959         p = strchr_m(str,':');
3960         if (!p) return False;
3961         *p = '\0';
3962         p++;
3963         /* Try to parse numeric form */
3964
3965         if (sscanf(p, "%i/%i/%i", &atype, &aflags, &amask) == 3 &&
3966             convert_string_to_sid(ipc_cli, pol, numeric, &sid, str)) {
3967                 goto done;
3968         }
3969
3970         /* Try to parse text form */
3971
3972         if (!convert_string_to_sid(ipc_cli, pol, numeric, &sid, str)) {
3973                 return False;
3974         }
3975
3976         cp = p;
3977         if (!next_token(&cp, tok, "/", sizeof(fstring))) {
3978                 return False;
3979         }
3980
3981         if (StrnCaseCmp(tok, "ALLOWED", strlen("ALLOWED")) == 0) {
3982                 atype = SEC_ACE_TYPE_ACCESS_ALLOWED;
3983         } else if (StrnCaseCmp(tok, "DENIED", strlen("DENIED")) == 0) {
3984                 atype = SEC_ACE_TYPE_ACCESS_DENIED;
3985         } else {
3986                 return False;
3987         }
3988
3989         /* Only numeric form accepted for flags at present */
3990
3991         if (!(next_token(&cp, tok, "/", sizeof(fstring)) &&
3992               sscanf(tok, "%i", &aflags))) {
3993                 return False;
3994         }
3995
3996         if (!next_token(&cp, tok, "/", sizeof(fstring))) {
3997                 return False;
3998         }
3999
4000         if (strncmp(tok, "0x", 2) == 0) {
4001                 if (sscanf(tok, "%i", &amask) != 1) {
4002                         return False;
4003                 }
4004                 goto done;
4005         }
4006
4007         for (v = standard_values; v->perm; v++) {
4008                 if (strcmp(tok, v->perm) == 0) {
4009                         amask = v->mask;
4010                         goto done;
4011                 }
4012         }
4013
4014         p = tok;
4015
4016         while(*p) {
4017                 BOOL found = False;
4018
4019                 for (v = special_values; v->perm; v++) {
4020                         if (v->perm[0] == *p) {
4021                                 amask |= v->mask;
4022                                 found = True;
4023                         }
4024                 }
4025
4026                 if (!found) return False;
4027                 p++;
4028         }
4029
4030         if (*p) {
4031                 return False;
4032         }
4033
4034  done:
4035         mask = amask;
4036         init_sec_ace(ace, &sid, atype, mask, aflags);
4037         return True;
4038 }
4039
4040 /* add an ACE to a list of ACEs in a SEC_ACL */
4041 static BOOL
4042 add_ace(SEC_ACL **the_acl,
4043         SEC_ACE *ace,
4044         TALLOC_CTX *ctx)
4045 {
4046         SEC_ACL *newacl;
4047         SEC_ACE *aces;
4048
4049         if (! *the_acl) {
4050                 (*the_acl) = make_sec_acl(ctx, 3, 1, ace);
4051                 return True;
4052         }
4053
4054         if ((aces = SMB_CALLOC_ARRAY(SEC_ACE, 1+(*the_acl)->num_aces)) == NULL) {
4055                 return False;
4056         }
4057         memcpy(aces, (*the_acl)->aces, (*the_acl)->num_aces * sizeof(SEC_ACE));
4058         memcpy(aces+(*the_acl)->num_aces, ace, sizeof(SEC_ACE));
4059         newacl = make_sec_acl(ctx, (*the_acl)->revision,
4060                               1+(*the_acl)->num_aces, aces);
4061         SAFE_FREE(aces);
4062         (*the_acl) = newacl;
4063         return True;
4064 }
4065
4066
4067 /* parse a ascii version of a security descriptor */
4068 static SEC_DESC *
4069 sec_desc_parse(TALLOC_CTX *ctx,
4070                struct cli_state *ipc_cli,
4071                POLICY_HND *pol,
4072                BOOL numeric,
4073                char *str)
4074 {
4075         const char *p = str;
4076         fstring tok;
4077         SEC_DESC *ret = NULL;
4078         size_t sd_size;
4079         DOM_SID *grp_sid=NULL;
4080         DOM_SID *owner_sid=NULL;
4081         SEC_ACL *dacl=NULL;
4082         int revision=1;
4083
4084         while (next_token(&p, tok, "\t,\r\n", sizeof(tok))) {
4085
4086                 if (StrnCaseCmp(tok,"REVISION:", 9) == 0) {
4087                         revision = strtol(tok+9, NULL, 16);
4088                         continue;
4089                 }
4090
4091                 if (StrnCaseCmp(tok,"OWNER:", 6) == 0) {
4092                         if (owner_sid) {
4093                                 DEBUG(5, ("OWNER specified more than once!\n"));
4094                                 goto done;
4095                         }
4096                         owner_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
4097                         if (!owner_sid ||
4098                             !convert_string_to_sid(ipc_cli, pol,
4099                                                    numeric,
4100                                                    owner_sid, tok+6)) {
4101                                 DEBUG(5, ("Failed to parse owner sid\n"));
4102                                 goto done;
4103                         }
4104                         continue;
4105                 }
4106
4107                 if (StrnCaseCmp(tok,"OWNER+:", 7) == 0) {
4108                         if (owner_sid) {
4109                                 DEBUG(5, ("OWNER specified more than once!\n"));
4110                                 goto done;
4111                         }
4112                         owner_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
4113                         if (!owner_sid ||
4114                             !convert_string_to_sid(ipc_cli, pol,
4115                                                    False,
4116                                                    owner_sid, tok+7)) {
4117                                 DEBUG(5, ("Failed to parse owner sid\n"));
4118                                 goto done;
4119                         }
4120                         continue;
4121                 }
4122
4123                 if (StrnCaseCmp(tok,"GROUP:", 6) == 0) {
4124                         if (grp_sid) {
4125                                 DEBUG(5, ("GROUP specified more than once!\n"));
4126                                 goto done;
4127                         }
4128                         grp_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
4129                         if (!grp_sid ||
4130                             !convert_string_to_sid(ipc_cli, pol,
4131                                                    numeric,
4132                                                    grp_sid, tok+6)) {
4133                                 DEBUG(5, ("Failed to parse group sid\n"));
4134                                 goto done;
4135                         }
4136                         continue;
4137                 }
4138
4139                 if (StrnCaseCmp(tok,"GROUP+:", 7) == 0) {
4140                         if (grp_sid) {
4141                                 DEBUG(5, ("GROUP specified more than once!\n"));
4142                                 goto done;
4143                         }
4144                         grp_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
4145                         if (!grp_sid ||
4146                             !convert_string_to_sid(ipc_cli, pol,
4147                                                    False,
4148                                                    grp_sid, tok+6)) {
4149                                 DEBUG(5, ("Failed to parse group sid\n"));
4150                                 goto done;
4151                         }
4152                         continue;
4153                 }
4154
4155                 if (StrnCaseCmp(tok,"ACL:", 4) == 0) {
4156                         SEC_ACE ace;
4157                         if (!parse_ace(ipc_cli, pol, &ace, numeric, tok+4)) {
4158                                 DEBUG(5, ("Failed to parse ACL %s\n", tok));
4159                                 goto done;
4160                         }
4161                         if(!add_ace(&dacl, &ace, ctx)) {
4162                                 DEBUG(5, ("Failed to add ACL %s\n", tok));
4163                                 goto done;
4164                         }
4165                         continue;
4166                 }
4167
4168                 if (StrnCaseCmp(tok,"ACL+:", 5) == 0) {
4169                         SEC_ACE ace;
4170                         if (!parse_ace(ipc_cli, pol, &ace, False, tok+5)) {
4171                                 DEBUG(5, ("Failed to parse ACL %s\n", tok));
4172                                 goto done;
4173                         }
4174                         if(!add_ace(&dacl, &ace, ctx)) {
4175                                 DEBUG(5, ("Failed to add ACL %s\n", tok));
4176                                 goto done;
4177                         }
4178                         continue;
4179                 }
4180
4181                 DEBUG(5, ("Failed to parse security descriptor\n"));
4182                 goto done;
4183         }
4184
4185         ret = make_sec_desc(ctx, revision, SEC_DESC_SELF_RELATIVE,
4186                             owner_sid, grp_sid, NULL, dacl, &sd_size);
4187
4188   done:
4189         SAFE_FREE(grp_sid);
4190         SAFE_FREE(owner_sid);
4191
4192         return ret;
4193 }
4194
4195
4196 /* Obtain the current dos attributes */
4197 static DOS_ATTR_DESC *
4198 dos_attr_query(SMBCCTX *context,
4199                TALLOC_CTX *ctx,
4200                const char *filename,
4201                SMBCSRV *srv)
4202 {
4203         struct timespec create_time_ts;
4204         struct timespec write_time_ts;
4205         struct timespec access_time_ts;
4206         struct timespec change_time_ts;
4207         SMB_OFF_T size = 0;
4208         uint16 mode = 0;
4209         SMB_INO_T inode = 0;
4210         DOS_ATTR_DESC *ret;
4211
4212         ret = TALLOC_P(ctx, DOS_ATTR_DESC);
4213         if (!ret) {
4214                 errno = ENOMEM;
4215                 return NULL;
4216         }
4217
4218         /* Obtain the DOS attributes */
4219         if (!smbc_getatr(context, srv, CONST_DISCARD(char *, filename),
4220                          &mode, &size,
4221                          &create_time_ts,
4222                          &access_time_ts,
4223                          &write_time_ts,
4224                          &change_time_ts,
4225                          &inode)) {
4226
4227                 errno = smbc_errno(context, srv->cli);
4228                 DEBUG(5, ("dos_attr_query Failed to query old attributes\n"));
4229                 return NULL;
4230
4231         }
4232
4233         ret->mode = mode;
4234         ret->size = size;
4235         ret->create_time = convert_timespec_to_time_t(create_time_ts);
4236         ret->access_time = convert_timespec_to_time_t(access_time_ts);
4237         ret->write_time = convert_timespec_to_time_t(write_time_ts);
4238         ret->change_time = convert_timespec_to_time_t(change_time_ts);
4239         ret->inode = inode;
4240
4241         return ret;
4242 }
4243
4244
4245 /* parse a ascii version of a security descriptor */
4246 static void
4247 dos_attr_parse(SMBCCTX *context,
4248                DOS_ATTR_DESC *dad,
4249                SMBCSRV *srv,
4250                char *str)
4251 {
4252         int n;
4253         const char *p = str;
4254         fstring tok;
4255         struct {
4256                 const char * create_time_attr;
4257                 const char * access_time_attr;
4258                 const char * write_time_attr;
4259                 const char * change_time_attr;
4260         } attr_strings;
4261
4262         /* Determine whether to use old-style or new-style attribute names */
4263         if (context->internal->_full_time_names) {
4264                 /* new-style names */
4265                 attr_strings.create_time_attr = "CREATE_TIME";
4266                 attr_strings.access_time_attr = "ACCESS_TIME";
4267                 attr_strings.write_time_attr = "WRITE_TIME";
4268                 attr_strings.change_time_attr = "CHANGE_TIME";
4269         } else {
4270                 /* old-style names */
4271                 attr_strings.create_time_attr = NULL;
4272                 attr_strings.access_time_attr = "A_TIME";
4273                 attr_strings.write_time_attr = "M_TIME";
4274                 attr_strings.change_time_attr = "C_TIME";
4275         }
4276
4277         /* if this is to set the entire ACL... */
4278         if (*str == '*') {
4279                 /* ... then increment past the first colon if there is one */
4280                 if ((p = strchr(str, ':')) != NULL) {
4281                         ++p;
4282                 } else {
4283                         p = str;
4284                 }
4285         }
4286
4287         while (next_token(&p, tok, "\t,\r\n", sizeof(tok))) {
4288
4289                 if (StrnCaseCmp(tok, "MODE:", 5) == 0) {
4290                         dad->mode = strtol(tok+5, NULL, 16);
4291                         continue;
4292                 }
4293
4294                 if (StrnCaseCmp(tok, "SIZE:", 5) == 0) {
4295                         dad->size = (SMB_OFF_T)atof(tok+5);
4296                         continue;
4297                 }
4298
4299                 n = strlen(attr_strings.access_time_attr);
4300                 if (StrnCaseCmp(tok, attr_strings.access_time_attr, n) == 0) {
4301                         dad->access_time = (time_t)strtol(tok+n+1, NULL, 10);
4302                         continue;
4303                 }
4304
4305                 n = strlen(attr_strings.change_time_attr);
4306                 if (StrnCaseCmp(tok, attr_strings.change_time_attr, n) == 0) {
4307                         dad->change_time = (time_t)strtol(tok+n+1, NULL, 10);
4308                         continue;
4309                 }
4310
4311                 n = strlen(attr_strings.write_time_attr);
4312                 if (StrnCaseCmp(tok, attr_strings.write_time_attr, n) == 0) {
4313                         dad->write_time = (time_t)strtol(tok+n+1, NULL, 10);
4314                         continue;
4315                 }
4316
4317                 if (attr_strings.create_time_attr != NULL) {
4318                         n = strlen(attr_strings.create_time_attr);
4319                         if (StrnCaseCmp(tok, attr_strings.create_time_attr,
4320                                         n) == 0) {
4321                                 dad->create_time = (time_t)strtol(tok+n+1,
4322                                                                   NULL, 10);
4323                                 continue;
4324                         }
4325                 }
4326
4327                 if (StrnCaseCmp(tok, "INODE:", 6) == 0) {
4328                         dad->inode = (SMB_INO_T)atof(tok+6);
4329                         continue;
4330                 }
4331         }
4332 }
4333
4334 /*****************************************************
4335  Retrieve the acls for a file.
4336 *******************************************************/
4337
4338 static int
4339 cacl_get(SMBCCTX *context,
4340          TALLOC_CTX *ctx,
4341          SMBCSRV *srv,
4342          struct cli_state *ipc_cli,
4343          POLICY_HND *pol,
4344          char *filename,
4345          char *attr_name,
4346          char *buf,
4347          int bufsize)
4348 {
4349         uint32 i;
4350         int n = 0;
4351         int n_used;
4352         BOOL all;
4353         BOOL all_nt;
4354         BOOL all_nt_acls;
4355         BOOL all_dos;
4356         BOOL some_nt;
4357         BOOL some_dos;
4358         BOOL exclude_nt_revision = False;
4359         BOOL exclude_nt_owner = False;
4360         BOOL exclude_nt_group = False;
4361         BOOL exclude_nt_acl = False;
4362         BOOL exclude_dos_mode = False;
4363         BOOL exclude_dos_size = False;
4364         BOOL exclude_dos_create_time = False;
4365         BOOL exclude_dos_access_time = False;
4366         BOOL exclude_dos_write_time = False;
4367         BOOL exclude_dos_change_time = False;
4368         BOOL exclude_dos_inode = False;
4369         BOOL numeric = True;
4370         BOOL determine_size = (bufsize == 0);
4371         int fnum = -1;
4372         SEC_DESC *sd;
4373         fstring sidstr;
4374         fstring name_sandbox;
4375         char *name;
4376         char *pExclude;
4377         char *p;
4378         struct timespec create_time_ts;
4379         struct timespec write_time_ts;
4380         struct timespec access_time_ts;
4381         struct timespec change_time_ts;
4382         time_t create_time = (time_t)0;
4383         time_t write_time = (time_t)0;
4384         time_t access_time = (time_t)0;
4385         time_t change_time = (time_t)0;
4386         SMB_OFF_T size = 0;
4387         uint16 mode = 0;
4388         SMB_INO_T ino = 0;
4389         struct cli_state *cli = srv->cli;
4390         struct {
4391                 const char * create_time_attr;
4392                 const char * access_time_attr;
4393                 const char * write_time_attr;
4394                 const char * change_time_attr;
4395         } attr_strings;
4396         struct {
4397                 const char * create_time_attr;
4398                 const char * access_time_attr;
4399                 const char * write_time_attr;
4400                 const char * change_time_attr;
4401         } excl_attr_strings;
4402
4403         /* Determine whether to use old-style or new-style attribute names */
4404         if (context->internal->_full_time_names) {
4405                 /* new-style names */
4406                 attr_strings.create_time_attr = "CREATE_TIME";
4407                 attr_strings.access_time_attr = "ACCESS_TIME";
4408                 attr_strings.write_time_attr = "WRITE_TIME";
4409                 attr_strings.change_time_attr = "CHANGE_TIME";
4410
4411                 excl_attr_strings.create_time_attr = "CREATE_TIME";
4412                 excl_attr_strings.access_time_attr = "ACCESS_TIME";
4413                 excl_attr_strings.write_time_attr = "WRITE_TIME";
4414                 excl_attr_strings.change_time_attr = "CHANGE_TIME";
4415         } else {
4416                 /* old-style names */
4417                 attr_strings.create_time_attr = NULL;
4418                 attr_strings.access_time_attr = "A_TIME";
4419                 attr_strings.write_time_attr = "M_TIME";
4420                 attr_strings.change_time_attr = "C_TIME";
4421
4422                 excl_attr_strings.create_time_attr = NULL;
4423                 excl_attr_strings.access_time_attr = "dos_attr.A_TIME";
4424                 excl_attr_strings.write_time_attr = "dos_attr.M_TIME";
4425                 excl_attr_strings.change_time_attr = "dos_attr.C_TIME";
4426         }
4427
4428         /* Copy name so we can strip off exclusions (if any are specified) */
4429         strncpy(name_sandbox, attr_name, sizeof(name_sandbox) - 1);
4430
4431         /* Ensure name is null terminated */
4432         name_sandbox[sizeof(name_sandbox) - 1] = '\0';
4433
4434         /* Play in the sandbox */
4435         name = name_sandbox;
4436
4437         /* If there are any exclusions, point to them and mask them from name */
4438         if ((pExclude = strchr(name, '!')) != NULL)
4439         {
4440                 *pExclude++ = '\0';
4441         }
4442
4443         all = (StrnCaseCmp(name, "system.*", 8) == 0);
4444         all_nt = (StrnCaseCmp(name, "system.nt_sec_desc.*", 20) == 0);
4445         all_nt_acls = (StrnCaseCmp(name, "system.nt_sec_desc.acl.*", 24) == 0);
4446         all_dos = (StrnCaseCmp(name, "system.dos_attr.*", 17) == 0);
4447         some_nt = (StrnCaseCmp(name, "system.nt_sec_desc.", 19) == 0);
4448         some_dos = (StrnCaseCmp(name, "system.dos_attr.", 16) == 0);
4449         numeric = (* (name + strlen(name) - 1) != '+');
4450
4451         /* Look for exclusions from "all" requests */
4452         if (all || all_nt || all_dos) {
4453
4454                 /* Exclusions are delimited by '!' */
4455                 for (;
4456                      pExclude != NULL;
4457                      pExclude = (p == NULL ? NULL : p + 1)) {
4458
4459                 /* Find end of this exclusion name */
4460                 if ((p = strchr(pExclude, '!')) != NULL)
4461                 {
4462                     *p = '\0';
4463                 }
4464
4465                 /* Which exclusion name is this? */
4466                 if (StrCaseCmp(pExclude, "nt_sec_desc.revision") == 0) {
4467                     exclude_nt_revision = True;
4468                 }
4469                 else if (StrCaseCmp(pExclude, "nt_sec_desc.owner") == 0) {
4470                     exclude_nt_owner = True;
4471                 }
4472                 else if (StrCaseCmp(pExclude, "nt_sec_desc.group") == 0) {
4473                     exclude_nt_group = True;
4474                 }
4475                 else if (StrCaseCmp(pExclude, "nt_sec_desc.acl") == 0) {
4476                     exclude_nt_acl = True;
4477                 }
4478                 else if (StrCaseCmp(pExclude, "dos_attr.mode") == 0) {
4479                     exclude_dos_mode = True;
4480                 }
4481                 else if (StrCaseCmp(pExclude, "dos_attr.size") == 0) {
4482                     exclude_dos_size = True;
4483                 }
4484                 else if (excl_attr_strings.create_time_attr != NULL &&
4485                          StrCaseCmp(pExclude,
4486                                     excl_attr_strings.change_time_attr) == 0) {
4487                     exclude_dos_create_time = True;
4488                 }
4489                 else if (StrCaseCmp(pExclude,
4490                                     excl_attr_strings.access_time_attr) == 0) {
4491                     exclude_dos_access_time = True;
4492                 }
4493                 else if (StrCaseCmp(pExclude,
4494                                     excl_attr_strings.write_time_attr) == 0) {
4495                     exclude_dos_write_time = True;
4496                 }
4497                 else if (StrCaseCmp(pExclude,
4498                                     excl_attr_strings.change_time_attr) == 0) {
4499                     exclude_dos_change_time = True;
4500                 }
4501                 else if (StrCaseCmp(pExclude, "dos_attr.inode") == 0) {
4502                     exclude_dos_inode = True;
4503                 }
4504                 else {
4505                     DEBUG(5, ("cacl_get received unknown exclusion: %s\n",
4506                               pExclude));
4507                     errno = ENOATTR;
4508                     return -1;
4509                 }
4510             }
4511         }
4512
4513         n_used = 0;
4514
4515         /*
4516          * If we are (possibly) talking to an NT or new system and some NT
4517          * attributes have been requested...
4518          */
4519         if (ipc_cli && (all || some_nt || all_nt_acls)) {
4520                 /* Point to the portion after "system.nt_sec_desc." */
4521                 name += 19;     /* if (all) this will be invalid but unused */
4522
4523                 /* ... then obtain any NT attributes which were requested */
4524                 fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
4525
4526                 if (fnum == -1) {
4527                         DEBUG(5, ("cacl_get failed to open %s: %s\n",
4528                                   filename, cli_errstr(cli)));
4529                         errno = 0;
4530                         return -1;
4531                 }
4532
4533                 sd = cli_query_secdesc(cli, fnum, ctx);
4534
4535                 if (!sd) {
4536                         DEBUG(5,
4537                               ("cacl_get Failed to query old descriptor\n"));
4538                         errno = 0;
4539                         return -1;
4540                 }
4541
4542                 cli_close(cli, fnum);
4543
4544                 if (! exclude_nt_revision) {
4545                         if (all || all_nt) {
4546                                 if (determine_size) {
4547                                         p = talloc_asprintf(ctx,
4548                                                             "REVISION:%d",
4549                                                             sd->revision);
4550                                         if (!p) {
4551                                                 errno = ENOMEM;
4552                                                 return -1;
4553                                         }
4554                                         n = strlen(p);
4555                                 } else {
4556                                         n = snprintf(buf, bufsize,
4557                                                      "REVISION:%d",
4558                                                      sd->revision);
4559                                 }
4560                         } else if (StrCaseCmp(name, "revision") == 0) {
4561                                 if (determine_size) {
4562                                         p = talloc_asprintf(ctx, "%d",
4563                                                             sd->revision);
4564                                         if (!p) {
4565                                                 errno = ENOMEM;
4566                                                 return -1;
4567                                         }
4568                                         n = strlen(p);
4569                                 } else {
4570                                         n = snprintf(buf, bufsize, "%d",
4571                                                      sd->revision);
4572                                 }
4573                         }
4574
4575                         if (!determine_size && n > bufsize) {
4576                                 errno = ERANGE;
4577                                 return -1;
4578                         }
4579                         buf += n;
4580                         n_used += n;
4581                         bufsize -= n;
4582                         n = 0;
4583                 }
4584
4585                 if (! exclude_nt_owner) {
4586                         /* Get owner and group sid */
4587                         if (sd->owner_sid) {
4588                                 convert_sid_to_string(ipc_cli, pol,
4589                                                       sidstr,
4590                                                       numeric,
4591                                                       sd->owner_sid);
4592                         } else {
4593                                 fstrcpy(sidstr, "");
4594                         }
4595
4596                         if (all || all_nt) {
4597                                 if (determine_size) {
4598                                         p = talloc_asprintf(ctx, ",OWNER:%s",
4599                                                             sidstr);
4600                                         if (!p) {
4601                                                 errno = ENOMEM;
4602                                                 return -1;
4603                                         }
4604                                         n = strlen(p);
4605                                 } else if (sidstr[0] != '\0') {
4606                                         n = snprintf(buf, bufsize,
4607                                                      ",OWNER:%s", sidstr);
4608                                 }
4609                         } else if (StrnCaseCmp(name, "owner", 5) == 0) {
4610                                 if (determine_size) {
4611                                         p = talloc_asprintf(ctx, "%s", sidstr);
4612                                         if (!p) {
4613                                                 errno = ENOMEM;
4614                                                 return -1;
4615                                         }
4616                                         n = strlen(p);
4617                                 } else {
4618                                         n = snprintf(buf, bufsize, "%s",
4619                                                      sidstr);
4620                                 }
4621                         }
4622
4623                         if (!determine_size && n > bufsize) {
4624                                 errno = ERANGE;
4625                                 return -1;
4626                         }
4627                         buf += n;
4628                         n_used += n;
4629                         bufsize -= n;
4630                         n = 0;
4631                 }
4632
4633                 if (! exclude_nt_group) {
4634                         if (sd->group_sid) {
4635                                 convert_sid_to_string(ipc_cli, pol,
4636                                                       sidstr, numeric,
4637                                                       sd->group_sid);
4638                         } else {
4639                                 fstrcpy(sidstr, "");
4640                         }
4641
4642                         if (all || all_nt) {
4643                                 if (determine_size) {
4644                                         p = talloc_asprintf(ctx, ",GROUP:%s",
4645                                                             sidstr);
4646                                         if (!p) {
4647                                                 errno = ENOMEM;
4648                                                 return -1;
4649                                         }
4650                                         n = strlen(p);
4651                                 } else if (sidstr[0] != '\0') {
4652                                         n = snprintf(buf, bufsize,
4653                                                      ",GROUP:%s", sidstr);
4654                                 }
4655                         } else if (StrnCaseCmp(name, "group", 5) == 0) {
4656                                 if (determine_size) {
4657                                         p = talloc_asprintf(ctx, "%s", sidstr);
4658                                         if (!p) {
4659                                                 errno = ENOMEM;
4660                                                 return -1;
4661                                         }
4662                                         n = strlen(p);
4663                                 } else {
4664                                         n = snprintf(buf, bufsize,
4665                                                      "%s", sidstr);
4666                                 }
4667                         }
4668
4669                         if (!determine_size && n > bufsize) {
4670                                 errno = ERANGE;
4671                                 return -1;
4672                         }
4673                         buf += n;
4674                         n_used += n;
4675                         bufsize -= n;
4676                         n = 0;
4677                 }
4678
4679                 if (! exclude_nt_acl) {
4680                         /* Add aces to value buffer  */
4681                         for (i = 0; sd->dacl && i < sd->dacl->num_aces; i++) {
4682
4683                                 SEC_ACE *ace = &sd->dacl->aces[i];
4684                                 convert_sid_to_string(ipc_cli, pol,
4685                                                       sidstr, numeric,
4686                                                       &ace->trustee);
4687
4688                                 if (all || all_nt) {
4689                                         if (determine_size) {
4690                                                 p = talloc_asprintf(
4691                                                         ctx,
4692                                                         ",ACL:"
4693                                                         "%s:%d/%d/0x%08x",
4694                                                         sidstr,
4695                                                         ace->type,
4696                                                         ace->flags,
4697                                                         ace->access_mask);
4698                                                 if (!p) {
4699                                                         errno = ENOMEM;
4700                                                         return -1;
4701                                                 }
4702                                                 n = strlen(p);
4703                                         } else {
4704                                                 n = snprintf(
4705                                                         buf, bufsize,
4706                                                         ",ACL:%s:%d/%d/0x%08x",
4707                                                         sidstr,
4708                                                         ace->type,
4709                                                         ace->flags,
4710                                                         ace->access_mask);
4711                                         }
4712                                 } else if ((StrnCaseCmp(name, "acl", 3) == 0 &&
4713                                             StrCaseCmp(name+3, sidstr) == 0) ||
4714                                            (StrnCaseCmp(name, "acl+", 4) == 0 &&
4715                                             StrCaseCmp(name+4, sidstr) == 0)) {
4716                                         if (determine_size) {
4717                                                 p = talloc_asprintf(
4718                                                         ctx,
4719                                                         "%d/%d/0x%08x",
4720                                                         ace->type,
4721                                                         ace->flags,
4722                                                         ace->access_mask);
4723                                                 if (!p) {
4724                                                         errno = ENOMEM;
4725                                                         return -1;
4726                                                 }
4727                                                 n = strlen(p);
4728                                         } else {
4729                                                 n = snprintf(buf, bufsize,
4730                                                              "%d/%d/0x%08x",
4731                                                              ace->type,
4732                                                              ace->flags,
4733                                                              ace->access_mask);
4734                                         }
4735                                 } else if (all_nt_acls) {
4736                                         if (determine_size) {
4737                                                 p = talloc_asprintf(
4738                                                         ctx,
4739                                                         "%s%s:%d/%d/0x%08x",
4740                                                         i ? "," : "",
4741                                                         sidstr,
4742                                                         ace->type,
4743                                                         ace->flags,
4744                                                         ace->access_mask);
4745                                                 if (!p) {
4746                                                         errno = ENOMEM;
4747                                                         return -1;
4748                                                 }
4749                                                 n = strlen(p);
4750                                         } else {
4751                                                 n = snprintf(buf, bufsize,
4752                                                              "%s%s:%d/%d/0x%08x",
4753                                                              i ? "," : "",
4754                                                              sidstr,
4755                                                              ace->type,
4756                                                              ace->flags,
4757                                                              ace->access_mask);
4758                                         }
4759                                 }
4760                                 if (!determine_size && n > bufsize) {
4761                                         errno = ERANGE;
4762                                         return -1;
4763                                 }
4764                                 buf += n;
4765                                 n_used += n;
4766                                 bufsize -= n;
4767                                 n = 0;
4768                         }
4769                 }
4770
4771                 /* Restore name pointer to its original value */
4772                 name -= 19;
4773         }
4774
4775         if (all || some_dos) {
4776                 /* Point to the portion after "system.dos_attr." */
4777                 name += 16;     /* if (all) this will be invalid but unused */
4778
4779                 /* Obtain the DOS attributes */
4780                 if (!smbc_getatr(context, srv, filename, &mode, &size,
4781                                  &create_time_ts,
4782                                  &access_time_ts,
4783                                  &write_time_ts,
4784                                  &change_time_ts,
4785                                  &ino)) {
4786
4787                         errno = smbc_errno(context, srv->cli);
4788                         return -1;
4789
4790                 }
4791
4792                 create_time = convert_timespec_to_time_t(create_time_ts);
4793                 access_time = convert_timespec_to_time_t(access_time_ts);
4794                 write_time = convert_timespec_to_time_t(write_time_ts);
4795                 change_time = convert_timespec_to_time_t(change_time_ts);
4796
4797                 if (! exclude_dos_mode) {
4798                         if (all || all_dos) {
4799                                 if (determine_size) {
4800                                         p = talloc_asprintf(ctx,
4801                                                             "%sMODE:0x%x",
4802                                                             (ipc_cli &&
4803                                                              (all || some_nt)
4804                                                              ? ","
4805                                                              : ""),
4806                                                             mode);
4807                                         if (!p) {
4808                                                 errno = ENOMEM;
4809                                                 return -1;
4810                                         }
4811                                         n = strlen(p);
4812                                 } else {
4813                                         n = snprintf(buf, bufsize,
4814                                                      "%sMODE:0x%x",
4815                                                      (ipc_cli &&
4816                                                       (all || some_nt)
4817                                                       ? ","
4818                                                       : ""),
4819                                                      mode);
4820                                 }
4821                         } else if (StrCaseCmp(name, "mode") == 0) {
4822                                 if (determine_size) {
4823                                         p = talloc_asprintf(ctx, "0x%x", mode);
4824                                         if (!p) {
4825                                                 errno = ENOMEM;
4826                                                 return -1;
4827                                         }
4828                                         n = strlen(p);
4829                                 } else {
4830                                         n = snprintf(buf, bufsize,
4831                                                      "0x%x", mode);
4832                                 }
4833                         }
4834
4835                         if (!determine_size && n > bufsize) {
4836                                 errno = ERANGE;
4837                                 return -1;
4838                         }
4839                         buf += n;
4840                         n_used += n;
4841                         bufsize -= n;
4842                         n = 0;
4843                 }
4844
4845                 if (! exclude_dos_size) {
4846                         if (all || all_dos) {
4847                                 if (determine_size) {
4848                                         p = talloc_asprintf(
4849                                                 ctx,
4850                                                 ",SIZE:%.0f",
4851                                                 (double)size);
4852                                         if (!p) {
4853                                                 errno = ENOMEM;
4854                                                 return -1;
4855                                         }
4856                                         n = strlen(p);
4857                                 } else {
4858                                         n = snprintf(buf, bufsize,
4859                                                      ",SIZE:%.0f",
4860                                                      (double)size);
4861                                 }
4862                         } else if (StrCaseCmp(name, "size") == 0) {
4863                                 if (determine_size) {
4864                                         p = talloc_asprintf(
4865                                                 ctx,
4866                                                 "%.0f",
4867                                                 (double)size);
4868                                         if (!p) {
4869                                                 errno = ENOMEM;
4870                                                 return -1;
4871                                         }
4872                                         n = strlen(p);
4873                                 } else {
4874                                         n = snprintf(buf, bufsize,
4875                                                      "%.0f",
4876                                                      (double)size);
4877                                 }
4878                         }
4879
4880                         if (!determine_size && n > bufsize) {
4881                                 errno = ERANGE;
4882                                 return -1;
4883                         }
4884                         buf += n;
4885                         n_used += n;
4886                         bufsize -= n;
4887                         n = 0;
4888                 }
4889
4890                 if (! exclude_dos_create_time &&
4891                     attr_strings.create_time_attr != NULL) {
4892                         if (all || all_dos) {
4893                                 if (determine_size) {
4894                                         p = talloc_asprintf(ctx,
4895                                                             ",%s:%lu",
4896                                                             attr_strings.create_time_attr,
4897                                                             create_time);
4898                                         if (!p) {
4899                                                 errno = ENOMEM;
4900                                                 return -1;
4901                                         }
4902                                         n = strlen(p);
4903                                 } else {
4904                                         n = snprintf(buf, bufsize,
4905                                                      ",%s:%lu",
4906                                                      attr_strings.create_time_attr,
4907                                                      create_time);
4908                                 }
4909                         } else if (StrCaseCmp(name, attr_strings.create_time_attr) == 0) {
4910                                 if (determine_size) {
4911                                         p = talloc_asprintf(ctx, "%lu", create_time);
4912                                         if (!p) {
4913                                                 errno = ENOMEM;
4914                                                 return -1;
4915                                         }
4916                                         n = strlen(p);
4917                                 } else {
4918                                         n = snprintf(buf, bufsize,
4919                                                      "%lu", create_time);
4920                                 }
4921                         }
4922
4923                         if (!determine_size && n > bufsize) {
4924                                 errno = ERANGE;
4925                                 return -1;
4926                         }
4927                         buf += n;
4928                         n_used += n;
4929                         bufsize -= n;
4930                         n = 0;
4931                 }
4932
4933                 if (! exclude_dos_access_time) {
4934                         if (all || all_dos) {
4935                                 if (determine_size) {
4936                                         p = talloc_asprintf(ctx,
4937                                                             ",%s:%lu",
4938                                                             attr_strings.access_time_attr,
4939                                                             access_time);
4940                                         if (!p) {
4941                                                 errno = ENOMEM;
4942                                                 return -1;
4943                                         }
4944                                         n = strlen(p);
4945                                 } else {
4946                                         n = snprintf(buf, bufsize,
4947                                                      ",%s:%lu",
4948                                                      attr_strings.access_time_attr,
4949                                                      access_time);
4950                                 }
4951                         } else if (StrCaseCmp(name, attr_strings.access_time_attr) == 0) {
4952                                 if (determine_size) {
4953                                         p = talloc_asprintf(ctx, "%lu", access_time);
4954                                         if (!p) {
4955                                                 errno = ENOMEM;
4956                                                 return -1;
4957                                         }
4958                                         n = strlen(p);
4959                                 } else {
4960                                         n = snprintf(buf, bufsize,
4961                                                      "%lu", access_time);
4962                                 }
4963                         }
4964
4965                         if (!determine_size && n > bufsize) {
4966                                 errno = ERANGE;
4967                                 return -1;
4968                         }
4969                         buf += n;
4970                         n_used += n;
4971                         bufsize -= n;
4972                         n = 0;
4973                 }
4974
4975                 if (! exclude_dos_write_time) {
4976                         if (all || all_dos) {
4977                                 if (determine_size) {
4978                                         p = talloc_asprintf(ctx,
4979                                                             ",%s:%lu",
4980                                                             attr_strings.write_time_attr,
4981                                                             write_time);
4982                                         if (!p) {
4983                                                 errno = ENOMEM;
4984                                                 return -1;
4985                                         }
4986                                         n = strlen(p);
4987                                 } else {
4988                                         n = snprintf(buf, bufsize,
4989                                                      ",%s:%lu",
4990                                                      attr_strings.write_time_attr,
4991                                                      write_time);
4992                                 }
4993                         } else if (StrCaseCmp(name, attr_strings.write_time_attr) == 0) {
4994                                 if (determine_size) {
4995                                         p = talloc_asprintf(ctx, "%lu", write_time);
4996                                         if (!p) {
4997                                                 errno = ENOMEM;
4998                                                 return -1;
4999                                         }
5000                                         n = strlen(p);
5001                                 } else {
5002                                         n = snprintf(buf, bufsize,
5003                                                      "%lu", write_time);
5004                                 }
5005                         }
5006
5007                         if (!determine_size && n > bufsize) {
5008                                 errno = ERANGE;
5009                                 return -1;
5010                         }
5011                         buf += n;
5012                         n_used += n;
5013                         bufsize -= n;
5014                         n = 0;
5015                 }
5016
5017                 if (! exclude_dos_change_time) {
5018                         if (all || all_dos) {
5019                                 if (determine_size) {
5020                                         p = talloc_asprintf(ctx,
5021                                                             ",%s:%lu",
5022                                                             attr_strings.change_time_attr,
5023                                                             change_time);
5024                                         if (!p) {
5025                                                 errno = ENOMEM;
5026                                                 return -1;
5027                                         }
5028                                         n = strlen(p);
5029                                 } else {
5030                                         n = snprintf(buf, bufsize,
5031                                                      ",%s:%lu",
5032                                                      attr_strings.change_time_attr,
5033                                                      change_time);
5034                                 }
5035                         } else if (StrCaseCmp(name, attr_strings.change_time_attr) == 0) {
5036                                 if (determine_size) {
5037                                         p = talloc_asprintf(ctx, "%lu", change_time);
5038                                         if (!p) {
5039                                                 errno = ENOMEM;
5040                                                 return -1;
5041                                         }
5042                                         n = strlen(p);
5043                                 } else {
5044                                         n = snprintf(buf, bufsize,
5045                                                      "%lu", change_time);
5046                                 }
5047                         }
5048
5049                         if (!determine_size && n > bufsize) {
5050                                 errno = ERANGE;
5051                                 return -1;
5052                         }
5053                         buf += n;
5054                         n_used += n;
5055                         bufsize -= n;
5056                         n = 0;
5057                 }
5058
5059                 if (! exclude_dos_inode) {
5060                         if (all || all_dos) {
5061                                 if (determine_size) {
5062                                         p = talloc_asprintf(
5063                                                 ctx,
5064                                                 ",INODE:%.0f",
5065                                                 (double)ino);
5066                                         if (!p) {
5067                                                 errno = ENOMEM;
5068                                                 return -1;
5069                                         }
5070                                         n = strlen(p);
5071                                 } else {
5072                                         n = snprintf(buf, bufsize,
5073                                                      ",INODE:%.0f",
5074                                                      (double) ino);
5075                                 }
5076                         } else if (StrCaseCmp(name, "inode") == 0) {
5077                                 if (determine_size) {
5078                                         p = talloc_asprintf(
5079                                                 ctx,
5080                                                 "%.0f",
5081                                                 (double) ino);
5082                                         if (!p) {
5083                                                 errno = ENOMEM;
5084                                                 return -1;
5085                                         }
5086                                         n = strlen(p);
5087                                 } else {
5088                                         n = snprintf(buf, bufsize,
5089                                                      "%.0f",
5090                                                      (double) ino);
5091                                 }
5092                         }
5093
5094                         if (!determine_size && n > bufsize) {
5095                                 errno = ERANGE;
5096                                 return -1;
5097                         }
5098                         buf += n;
5099                         n_used += n;
5100                         bufsize -= n;
5101                         n = 0;
5102                 }
5103
5104                 /* Restore name pointer to its original value */
5105                 name -= 16;
5106         }
5107
5108         if (n_used == 0) {
5109                 errno = ENOATTR;
5110                 return -1;
5111         }
5112
5113         return n_used;
5114 }
5115
5116
5117 /*****************************************************
5118 set the ACLs on a file given an ascii description
5119 *******************************************************/
5120 static int
5121 cacl_set(TALLOC_CTX *ctx,
5122          struct cli_state *cli,
5123          struct cli_state *ipc_cli,
5124          POLICY_HND *pol,
5125          const char *filename,
5126          const char *the_acl,
5127          int mode,
5128          int flags)
5129 {
5130         int fnum;
5131         int err = 0;
5132         SEC_DESC *sd = NULL, *old;
5133         SEC_ACL *dacl = NULL;
5134         DOM_SID *owner_sid = NULL;
5135         DOM_SID *grp_sid = NULL;
5136         uint32 i, j;
5137         size_t sd_size;
5138         int ret = 0;
5139         char *p;
5140         BOOL numeric = True;
5141
5142         /* the_acl will be null for REMOVE_ALL operations */
5143         if (the_acl) {
5144                 numeric = ((p = strchr(the_acl, ':')) != NULL &&
5145                            p > the_acl &&
5146                            p[-1] != '+');
5147
5148                 /* if this is to set the entire ACL... */
5149                 if (*the_acl == '*') {
5150                         /* ... then increment past the first colon */
5151                         the_acl = p + 1;
5152                 }
5153
5154                 sd = sec_desc_parse(ctx, ipc_cli, pol, numeric,
5155                                     CONST_DISCARD(char *, the_acl));
5156
5157                 if (!sd) {
5158                         errno = EINVAL;
5159                         return -1;
5160                 }
5161         }
5162
5163         /* SMBC_XATTR_MODE_REMOVE_ALL is the only caller
5164            that doesn't deref sd */
5165
5166         if (!sd && (mode != SMBC_XATTR_MODE_REMOVE_ALL)) {
5167                 errno = EINVAL;
5168                 return -1;
5169         }
5170
5171         /* The desired access below is the only one I could find that works
5172            with NT4, W2KP and Samba */
5173
5174         fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
5175
5176         if (fnum == -1) {
5177                 DEBUG(5, ("cacl_set failed to open %s: %s\n",
5178                           filename, cli_errstr(cli)));
5179                 errno = 0;
5180                 return -1;
5181         }
5182
5183         old = cli_query_secdesc(cli, fnum, ctx);
5184
5185         if (!old) {
5186                 DEBUG(5, ("cacl_set Failed to query old descriptor\n"));
5187                 errno = 0;
5188                 return -1;
5189         }
5190
5191         cli_close(cli, fnum);
5192
5193         switch (mode) {
5194         case SMBC_XATTR_MODE_REMOVE_ALL:
5195                 old->dacl->num_aces = 0;
5196                 dacl = old->dacl;
5197                 break;
5198
5199         case SMBC_XATTR_MODE_REMOVE:
5200                 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
5201                         BOOL found = False;
5202
5203                         for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
5204                                 if (sec_ace_equal(&sd->dacl->aces[i],
5205                                                   &old->dacl->aces[j])) {
5206                                         uint32 k;
5207                                         for (k=j; k<old->dacl->num_aces-1;k++) {
5208                                                 old->dacl->aces[k] =
5209                                                         old->dacl->aces[k+1];
5210                                         }
5211                                         old->dacl->num_aces--;
5212                                         found = True;
5213                                         dacl = old->dacl;
5214                                         break;
5215                                 }
5216                         }
5217
5218                         if (!found) {
5219                                 err = ENOATTR;
5220                                 ret = -1;
5221                                 goto failed;
5222                         }
5223                 }
5224                 break;
5225
5226         case SMBC_XATTR_MODE_ADD:
5227                 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
5228                         BOOL found = False;
5229
5230                         for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
5231                                 if (sid_equal(&sd->dacl->aces[i].trustee,
5232                                               &old->dacl->aces[j].trustee)) {
5233                                         if (!(flags & SMBC_XATTR_FLAG_CREATE)) {
5234                                                 err = EEXIST;
5235                                                 ret = -1;
5236                                                 goto failed;
5237                                         }
5238                                         old->dacl->aces[j] = sd->dacl->aces[i];
5239                                         ret = -1;
5240                                         found = True;
5241                                 }
5242                         }
5243
5244                         if (!found && (flags & SMBC_XATTR_FLAG_REPLACE)) {
5245                                 err = ENOATTR;
5246                                 ret = -1;
5247                                 goto failed;
5248                         }
5249
5250                         for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
5251                                 add_ace(&old->dacl, &sd->dacl->aces[i], ctx);
5252                         }
5253                 }
5254                 dacl = old->dacl;
5255                 break;
5256
5257         case SMBC_XATTR_MODE_SET:
5258                 old = sd;
5259                 owner_sid = old->owner_sid;
5260                 grp_sid = old->group_sid;
5261                 dacl = old->dacl;
5262                 break;
5263
5264         case SMBC_XATTR_MODE_CHOWN:
5265                 owner_sid = sd->owner_sid;
5266                 break;
5267
5268         case SMBC_XATTR_MODE_CHGRP:
5269                 grp_sid = sd->group_sid;
5270                 break;
5271         }
5272
5273         /* Denied ACE entries must come before allowed ones */
5274         sort_acl(old->dacl);
5275
5276         /* Create new security descriptor and set it */
5277         sd = make_sec_desc(ctx, old->revision, SEC_DESC_SELF_RELATIVE,
5278                            owner_sid, grp_sid, NULL, dacl, &sd_size);
5279
5280         fnum = cli_nt_create(cli, filename,
5281                              WRITE_DAC_ACCESS | WRITE_OWNER_ACCESS);
5282
5283         if (fnum == -1) {
5284                 DEBUG(5, ("cacl_set failed to open %s: %s\n",
5285                           filename, cli_errstr(cli)));
5286                 errno = 0;
5287                 return -1;
5288         }
5289
5290         if (!cli_set_secdesc(cli, fnum, sd)) {
5291                 DEBUG(5, ("ERROR: secdesc set failed: %s\n", cli_errstr(cli)));
5292                 ret = -1;
5293         }
5294
5295         /* Clean up */
5296
5297  failed:
5298         cli_close(cli, fnum);
5299
5300         if (err != 0) {
5301                 errno = err;
5302         }
5303
5304         return ret;
5305 }
5306
5307
5308 static int
5309 smbc_setxattr_ctx(SMBCCTX *context,
5310                   const char *fname,
5311                   const char *name,
5312                   const void *value,
5313                   size_t size,
5314                   int flags)
5315 {
5316         int ret;
5317         int ret2;
5318         SMBCSRV *srv;
5319         SMBCSRV *ipc_srv;
5320         fstring server;
5321         fstring share;
5322         fstring user;
5323         fstring password;
5324         fstring workgroup;
5325         pstring path;
5326         TALLOC_CTX *ctx;
5327         POLICY_HND pol;
5328         DOS_ATTR_DESC *dad;
5329         struct {
5330                 const char * create_time_attr;
5331                 const char * access_time_attr;
5332                 const char * write_time_attr;
5333                 const char * change_time_attr;
5334         } attr_strings;
5335
5336         if (!context || !context->internal ||
5337             !context->internal->_initialized) {
5338
5339                 errno = EINVAL;  /* Best I can think of ... */
5340                 return -1;
5341
5342         }
5343
5344         if (!fname) {
5345
5346                 errno = EINVAL;
5347                 return -1;
5348
5349         }
5350
5351         DEBUG(4, ("smbc_setxattr(%s, %s, %.*s)\n",
5352                   fname, name, (int) size, (const char*)value));
5353
5354         if (smbc_parse_path(context, fname,
5355                             workgroup, sizeof(workgroup),
5356                             server, sizeof(server),
5357                             share, sizeof(share),
5358                             path, sizeof(path),
5359                             user, sizeof(user),
5360                             password, sizeof(password),
5361                             NULL, 0)) {
5362                 errno = EINVAL;
5363                 return -1;
5364         }
5365
5366         if (user[0] == (char)0) fstrcpy(user, context->user);
5367
5368         srv = smbc_server(context, True,
5369                           server, share, workgroup, user, password);
5370         if (!srv) {
5371                 return -1;  /* errno set by smbc_server */
5372         }
5373
5374         if (! srv->no_nt_session) {
5375                 ipc_srv = smbc_attr_server(context, server, share,
5376                                            workgroup, user, password,
5377                                            &pol);
5378                 if (! ipc_srv) {
5379                         srv->no_nt_session = True;
5380                 }
5381         } else {
5382                 ipc_srv = NULL;
5383         }
5384
5385         ctx = talloc_init("smbc_setxattr");
5386         if (!ctx) {
5387                 errno = ENOMEM;
5388                 return -1;
5389         }
5390
5391         /*
5392          * Are they asking to set the entire set of known attributes?
5393          */
5394         if (StrCaseCmp(name, "system.*") == 0 ||
5395             StrCaseCmp(name, "system.*+") == 0) {
5396                 /* Yup. */
5397                 char *namevalue =
5398                         talloc_asprintf(ctx, "%s:%s",
5399                                         name+7, (const char *) value);
5400                 if (! namevalue) {
5401                         errno = ENOMEM;
5402                         ret = -1;
5403                         return -1;
5404                 }
5405
5406                 if (ipc_srv) {
5407                         ret = cacl_set(ctx, srv->cli,
5408                                        ipc_srv->cli, &pol, path,
5409                                        namevalue,
5410                                        (*namevalue == '*'
5411                                         ? SMBC_XATTR_MODE_SET
5412                                         : SMBC_XATTR_MODE_ADD),
5413                                        flags);
5414                 } else {
5415                         ret = 0;
5416                 }
5417
5418                 /* get a DOS Attribute Descriptor with current attributes */
5419                 dad = dos_attr_query(context, ctx, path, srv);
5420                 if (dad) {
5421                         /* Overwrite old with new, using what was provided */
5422                         dos_attr_parse(context, dad, srv, namevalue);
5423
5424                         /* Set the new DOS attributes */
5425                         if (! smbc_setatr(context, srv, path,
5426                                           dad->create_time,
5427                                           dad->access_time,
5428                                           dad->write_time,
5429                                           dad->change_time,
5430                                           dad->mode)) {
5431
5432                                 /* cause failure if NT failed too */
5433                                 dad = NULL;
5434                         }
5435                 }
5436
5437                 /* we only fail if both NT and DOS sets failed */
5438                 if (ret < 0 && ! dad) {
5439                         ret = -1; /* in case dad was null */
5440                 }
5441                 else {
5442                         ret = 0;
5443                 }
5444
5445                 talloc_destroy(ctx);
5446                 return ret;
5447         }
5448
5449         /*
5450          * Are they asking to set an access control element or to set
5451          * the entire access control list?
5452          */
5453         if (StrCaseCmp(name, "system.nt_sec_desc.*") == 0 ||
5454             StrCaseCmp(name, "system.nt_sec_desc.*+") == 0 ||
5455             StrCaseCmp(name, "system.nt_sec_desc.revision") == 0 ||
5456             StrnCaseCmp(name, "system.nt_sec_desc.acl", 22) == 0 ||
5457             StrnCaseCmp(name, "system.nt_sec_desc.acl+", 23) == 0) {
5458
5459                 /* Yup. */
5460                 char *namevalue =
5461                         talloc_asprintf(ctx, "%s:%s",
5462                                         name+19, (const char *) value);
5463
5464                 if (! ipc_srv) {
5465                         ret = -1; /* errno set by smbc_server() */
5466                 }
5467                 else if (! namevalue) {
5468                         errno = ENOMEM;
5469                         ret = -1;
5470                 } else {
5471                         ret = cacl_set(ctx, srv->cli,
5472                                        ipc_srv->cli, &pol, path,
5473                                        namevalue,
5474                                        (*namevalue == '*'
5475                                         ? SMBC_XATTR_MODE_SET
5476                                         : SMBC_XATTR_MODE_ADD),
5477                                        flags);
5478                 }
5479                 talloc_destroy(ctx);
5480                 return ret;
5481         }
5482
5483         /*
5484          * Are they asking to set the owner?
5485          */
5486         if (StrCaseCmp(name, "system.nt_sec_desc.owner") == 0 ||
5487             StrCaseCmp(name, "system.nt_sec_desc.owner+") == 0) {
5488
5489                 /* Yup. */
5490                 char *namevalue =
5491                         talloc_asprintf(ctx, "%s:%s",
5492                                         name+19, (const char *) value);
5493
5494                 if (! ipc_srv) {
5495
5496                         ret = -1; /* errno set by smbc_server() */
5497                 }
5498                 else if (! namevalue) {
5499                         errno = ENOMEM;
5500                         ret = -1;
5501                 } else {
5502                         ret = cacl_set(ctx, srv->cli,
5503                                        ipc_srv->cli, &pol, path,
5504                                        namevalue, SMBC_XATTR_MODE_CHOWN, 0);
5505                 }
5506                 talloc_destroy(ctx);
5507                 return ret;
5508         }
5509
5510         /*
5511          * Are they asking to set the group?
5512          */
5513         if (StrCaseCmp(name, "system.nt_sec_desc.group") == 0 ||
5514             StrCaseCmp(name, "system.nt_sec_desc.group+") == 0) {
5515
5516                 /* Yup. */
5517                 char *namevalue =
5518                         talloc_asprintf(ctx, "%s:%s",
5519                                         name+19, (const char *) value);
5520
5521                 if (! ipc_srv) {
5522                         /* errno set by smbc_server() */
5523                         ret = -1;
5524                 }
5525                 else if (! namevalue) {
5526                         errno = ENOMEM;
5527                         ret = -1;
5528                 } else {
5529                         ret = cacl_set(ctx, srv->cli,
5530                                        ipc_srv->cli, &pol, path,
5531                                        namevalue, SMBC_XATTR_MODE_CHOWN, 0);
5532                 }
5533                 talloc_destroy(ctx);
5534                 return ret;
5535         }
5536
5537         /* Determine whether to use old-style or new-style attribute names */
5538         if (context->internal->_full_time_names) {
5539                 /* new-style names */
5540                 attr_strings.create_time_attr = "system.dos_attr.CREATE_TIME";
5541                 attr_strings.access_time_attr = "system.dos_attr.ACCESS_TIME";
5542                 attr_strings.write_time_attr = "system.dos_attr.WRITE_TIME";
5543                 attr_strings.change_time_attr = "system.dos_attr.CHANGE_TIME";
5544         } else {
5545                 /* old-style names */
5546                 attr_strings.create_time_attr = NULL;
5547                 attr_strings.access_time_attr = "system.dos_attr.A_TIME";
5548                 attr_strings.write_time_attr = "system.dos_attr.M_TIME";
5549                 attr_strings.change_time_attr = "system.dos_attr.C_TIME";
5550         }
5551
5552         /*
5553          * Are they asking to set a DOS attribute?
5554          */
5555         if (StrCaseCmp(name, "system.dos_attr.*") == 0 ||
5556             StrCaseCmp(name, "system.dos_attr.mode") == 0 ||
5557             (attr_strings.create_time_attr != NULL &&
5558              StrCaseCmp(name, attr_strings.create_time_attr) == 0) ||
5559             StrCaseCmp(name, attr_strings.access_time_attr) == 0 ||
5560             StrCaseCmp(name, attr_strings.write_time_attr) == 0 ||
5561             StrCaseCmp(name, attr_strings.change_time_attr) == 0) {
5562
5563                 /* get a DOS Attribute Descriptor with current attributes */
5564                 dad = dos_attr_query(context, ctx, path, srv);
5565                 if (dad) {
5566                         char *namevalue =
5567                                 talloc_asprintf(ctx, "%s:%s",
5568                                                 name+16, (const char *) value);
5569                         if (! namevalue) {
5570                                 errno = ENOMEM;
5571                                 ret = -1;
5572                         } else {
5573                                 /* Overwrite old with provided new params */
5574                                 dos_attr_parse(context, dad, srv, namevalue);
5575
5576                                 /* Set the new DOS attributes */
5577                                 ret2 = smbc_setatr(context, srv, path,
5578                                                    dad->create_time,
5579                                                    dad->access_time,
5580                                                    dad->write_time,
5581                                                    dad->change_time,
5582                                                    dad->mode);
5583
5584                                 /* ret2 has True (success) / False (failure) */
5585                                 if (ret2) {
5586                                         ret = 0;
5587                                 } else {
5588                                         ret = -1;
5589                                 }
5590                         }
5591                 } else {
5592                         ret = -1;
5593                 }
5594
5595                 talloc_destroy(ctx);
5596                 return ret;
5597         }
5598
5599         /* Unsupported attribute name */
5600         talloc_destroy(ctx);
5601         errno = EINVAL;
5602         return -1;
5603 }
5604
5605 static int
5606 smbc_getxattr_ctx(SMBCCTX *context,
5607                   const char *fname,
5608                   const char *name,
5609                   const void *value,
5610                   size_t size)
5611 {
5612         int ret;
5613         SMBCSRV *srv;
5614         SMBCSRV *ipc_srv;
5615         fstring server;
5616         fstring share;
5617         fstring user;
5618         fstring password;
5619         fstring workgroup;
5620         pstring path;
5621         TALLOC_CTX *ctx;
5622         POLICY_HND pol;
5623         struct {
5624                 const char * create_time_attr;
5625                 const char * access_time_attr;
5626                 const char * write_time_attr;
5627                 const char * change_time_attr;
5628         } attr_strings;
5629
5630
5631         if (!context || !context->internal ||
5632             !context->internal->_initialized) {
5633
5634                 errno = EINVAL;  /* Best I can think of ... */
5635                 return -1;
5636
5637         }
5638
5639         if (!fname) {
5640
5641                 errno = EINVAL;
5642                 return -1;
5643
5644         }
5645
5646         DEBUG(4, ("smbc_getxattr(%s, %s)\n", fname, name));
5647
5648         if (smbc_parse_path(context, fname,
5649                             workgroup, sizeof(workgroup),
5650                             server, sizeof(server),
5651                             share, sizeof(share),
5652                             path, sizeof(path),
5653                             user, sizeof(user),
5654                             password, sizeof(password),
5655                             NULL, 0)) {
5656                 errno = EINVAL;
5657                 return -1;
5658         }
5659
5660         if (user[0] == (char)0) fstrcpy(user, context->user);
5661
5662         srv = smbc_server(context, True,
5663                           server, share, workgroup, user, password);
5664         if (!srv) {
5665                 return -1;  /* errno set by smbc_server */
5666         }
5667
5668         if (! srv->no_nt_session) {
5669                 ipc_srv = smbc_attr_server(context, server, share,
5670                                            workgroup, user, password,
5671                                            &pol);
5672                 if (! ipc_srv) {
5673                         srv->no_nt_session = True;
5674                 }
5675         } else {
5676                 ipc_srv = NULL;
5677         }
5678
5679         ctx = talloc_init("smbc:getxattr");
5680         if (!ctx) {
5681                 errno = ENOMEM;
5682                 return -1;
5683         }
5684
5685         /* Determine whether to use old-style or new-style attribute names */
5686         if (context->internal->_full_time_names) {
5687                 /* new-style names */
5688                 attr_strings.create_time_attr = "system.dos_attr.CREATE_TIME";
5689                 attr_strings.access_time_attr = "system.dos_attr.ACCESS_TIME";
5690                 attr_strings.write_time_attr = "system.dos_attr.WRITE_TIME";
5691                 attr_strings.change_time_attr = "system.dos_attr.CHANGE_TIME";
5692         } else {
5693                 /* old-style names */
5694                 attr_strings.create_time_attr = NULL;
5695                 attr_strings.access_time_attr = "system.dos_attr.A_TIME";
5696                 attr_strings.write_time_attr = "system.dos_attr.M_TIME";
5697                 attr_strings.change_time_attr = "system.dos_attr.C_TIME";
5698         }
5699
5700         /* Are they requesting a supported attribute? */
5701         if (StrCaseCmp(name, "system.*") == 0 ||
5702             StrnCaseCmp(name, "system.*!", 9) == 0 ||
5703             StrCaseCmp(name, "system.*+") == 0 ||
5704             StrnCaseCmp(name, "system.*+!", 10) == 0 ||
5705             StrCaseCmp(name, "system.nt_sec_desc.*") == 0 ||
5706             StrnCaseCmp(name, "system.nt_sec_desc.*!", 21) == 0 ||
5707             StrCaseCmp(name, "system.nt_sec_desc.*+") == 0 ||
5708             StrnCaseCmp(name, "system.nt_sec_desc.*+!", 22) == 0 ||
5709             StrCaseCmp(name, "system.nt_sec_desc.revision") == 0 ||
5710             StrCaseCmp(name, "system.nt_sec_desc.owner") == 0 ||
5711             StrCaseCmp(name, "system.nt_sec_desc.owner+") == 0 ||
5712             StrCaseCmp(name, "system.nt_sec_desc.group") == 0 ||
5713             StrCaseCmp(name, "system.nt_sec_desc.group+") == 0 ||
5714             StrnCaseCmp(name, "system.nt_sec_desc.acl", 22) == 0 ||
5715             StrnCaseCmp(name, "system.nt_sec_desc.acl+", 23) == 0 ||
5716             StrCaseCmp(name, "system.dos_attr.*") == 0 ||
5717             StrnCaseCmp(name, "system.dos_attr.*!", 18) == 0 ||
5718             StrCaseCmp(name, "system.dos_attr.mode") == 0 ||
5719             StrCaseCmp(name, "system.dos_attr.size") == 0 ||
5720             (attr_strings.create_time_attr != NULL &&
5721              StrCaseCmp(name, attr_strings.create_time_attr) == 0) ||
5722             StrCaseCmp(name, attr_strings.access_time_attr) == 0 ||
5723             StrCaseCmp(name, attr_strings.write_time_attr) == 0 ||
5724             StrCaseCmp(name, attr_strings.change_time_attr) == 0 ||
5725             StrCaseCmp(name, "system.dos_attr.inode") == 0) {
5726
5727                 /* Yup. */
5728                 ret = cacl_get(context, ctx, srv,
5729                                ipc_srv == NULL ? NULL : ipc_srv->cli,
5730                                &pol, path,
5731                                CONST_DISCARD(char *, name),
5732                                CONST_DISCARD(char *, value), size);
5733                 if (ret < 0 && errno == 0) {
5734                         errno = smbc_errno(context, srv->cli);
5735                 }
5736                 talloc_destroy(ctx);
5737                 return ret;
5738         }
5739
5740         /* Unsupported attribute name */
5741         talloc_destroy(ctx);
5742         errno = EINVAL;
5743         return -1;
5744 }
5745
5746
5747 static int
5748 smbc_removexattr_ctx(SMBCCTX *context,
5749                      const char *fname,
5750                      const char *name)
5751 {
5752         int ret;
5753         SMBCSRV *srv;
5754         SMBCSRV *ipc_srv;
5755         fstring server;
5756         fstring share;
5757         fstring user;
5758         fstring password;
5759         fstring workgroup;
5760         pstring path;
5761         TALLOC_CTX *ctx;
5762         POLICY_HND pol;
5763
5764         if (!context || !context->internal ||
5765             !context->internal->_initialized) {
5766
5767                 errno = EINVAL;  /* Best I can think of ... */
5768                 return -1;
5769
5770         }
5771
5772         if (!fname) {
5773
5774                 errno = EINVAL;
5775                 return -1;
5776
5777         }
5778
5779         DEBUG(4, ("smbc_removexattr(%s, %s)\n", fname, name));
5780
5781         if (smbc_parse_path(context, fname,
5782                             workgroup, sizeof(workgroup),
5783                             server, sizeof(server),
5784                             share, sizeof(share),
5785                             path, sizeof(path),
5786                             user, sizeof(user),
5787                             password, sizeof(password),
5788                             NULL, 0)) {
5789                 errno = EINVAL;
5790                 return -1;
5791         }
5792
5793         if (user[0] == (char)0) fstrcpy(user, context->user);
5794
5795         srv = smbc_server(context, True,
5796                           server, share, workgroup, user, password);
5797         if (!srv) {
5798                 return -1;  /* errno set by smbc_server */
5799         }
5800
5801         if (! srv->no_nt_session) {
5802                 ipc_srv = smbc_attr_server(context, server, share,
5803                                            workgroup, user, password,
5804                                            &pol);
5805                 if (! ipc_srv) {
5806                         srv->no_nt_session = True;
5807                 }
5808         } else {
5809                 ipc_srv = NULL;
5810         }
5811
5812         if (! ipc_srv) {
5813                 return -1; /* errno set by smbc_attr_server */
5814         }
5815
5816         ctx = talloc_init("smbc_removexattr");
5817         if (!ctx) {
5818                 errno = ENOMEM;
5819                 return -1;
5820         }
5821
5822         /* Are they asking to set the entire ACL? */
5823         if (StrCaseCmp(name, "system.nt_sec_desc.*") == 0 ||
5824             StrCaseCmp(name, "system.nt_sec_desc.*+") == 0) {
5825
5826                 /* Yup. */
5827                 ret = cacl_set(ctx, srv->cli,
5828                                ipc_srv->cli, &pol, path,
5829                                NULL, SMBC_XATTR_MODE_REMOVE_ALL, 0);
5830                 talloc_destroy(ctx);
5831                 return ret;
5832         }
5833
5834         /*
5835          * Are they asking to remove one or more spceific security descriptor
5836          * attributes?
5837          */
5838         if (StrCaseCmp(name, "system.nt_sec_desc.revision") == 0 ||
5839             StrCaseCmp(name, "system.nt_sec_desc.owner") == 0 ||
5840             StrCaseCmp(name, "system.nt_sec_desc.owner+") == 0 ||
5841             StrCaseCmp(name, "system.nt_sec_desc.group") == 0 ||
5842             StrCaseCmp(name, "system.nt_sec_desc.group+") == 0 ||
5843             StrnCaseCmp(name, "system.nt_sec_desc.acl", 22) == 0 ||
5844             StrnCaseCmp(name, "system.nt_sec_desc.acl+", 23) == 0) {
5845
5846                 /* Yup. */
5847                 ret = cacl_set(ctx, srv->cli,
5848                                ipc_srv->cli, &pol, path,
5849                                name + 19, SMBC_XATTR_MODE_REMOVE, 0);
5850                 talloc_destroy(ctx);
5851                 return ret;
5852         }
5853
5854         /* Unsupported attribute name */
5855         talloc_destroy(ctx);
5856         errno = EINVAL;
5857         return -1;
5858 }
5859
5860 static int
5861 smbc_listxattr_ctx(SMBCCTX *context,
5862                    const char *fname,
5863                    char *list,
5864                    size_t size)
5865 {
5866         /*
5867          * This isn't quite what listxattr() is supposed to do.  This returns
5868          * the complete set of attribute names, always, rather than only those
5869          * attribute names which actually exist for a file.  Hmmm...
5870          */
5871         const char supported_old[] =
5872                 "system.*\0"
5873                 "system.*+\0"
5874                 "system.nt_sec_desc.revision\0"
5875                 "system.nt_sec_desc.owner\0"
5876                 "system.nt_sec_desc.owner+\0"
5877                 "system.nt_sec_desc.group\0"
5878                 "system.nt_sec_desc.group+\0"
5879                 "system.nt_sec_desc.acl.*\0"
5880                 "system.nt_sec_desc.acl\0"
5881                 "system.nt_sec_desc.acl+\0"
5882                 "system.nt_sec_desc.*\0"
5883                 "system.nt_sec_desc.*+\0"
5884                 "system.dos_attr.*\0"
5885                 "system.dos_attr.mode\0"
5886                 "system.dos_attr.c_time\0"
5887                 "system.dos_attr.a_time\0"
5888                 "system.dos_attr.m_time\0"
5889                 ;
5890         const char supported_new[] =
5891                 "system.*\0"
5892                 "system.*+\0"
5893                 "system.nt_sec_desc.revision\0"
5894                 "system.nt_sec_desc.owner\0"
5895                 "system.nt_sec_desc.owner+\0"
5896                 "system.nt_sec_desc.group\0"
5897                 "system.nt_sec_desc.group+\0"
5898                 "system.nt_sec_desc.acl.*\0"
5899                 "system.nt_sec_desc.acl\0"
5900                 "system.nt_sec_desc.acl+\0"
5901                 "system.nt_sec_desc.*\0"
5902                 "system.nt_sec_desc.*+\0"
5903                 "system.dos_attr.*\0"
5904                 "system.dos_attr.mode\0"
5905                 "system.dos_attr.create_time\0"
5906                 "system.dos_attr.access_time\0"
5907                 "system.dos_attr.write_time\0"
5908                 "system.dos_attr.change_time\0"
5909                 ;
5910         const char * supported;
5911
5912         if (context->internal->_full_time_names) {
5913                 supported = supported_new;
5914         } else {
5915                 supported = supported_old;
5916         }
5917
5918         if (size == 0) {
5919                 return sizeof(supported);
5920         }
5921
5922         if (sizeof(supported) > size) {
5923                 errno = ERANGE;
5924                 return -1;
5925         }
5926
5927         /* this can't be strcpy() because there are embedded null characters */
5928         memcpy(list, supported, sizeof(supported));
5929         return sizeof(supported);
5930 }
5931
5932
5933 /*
5934  * Open a print file to be written to by other calls
5935  */
5936
5937 static SMBCFILE *
5938 smbc_open_print_job_ctx(SMBCCTX *context,
5939                         const char *fname)
5940 {
5941         fstring server;
5942         fstring share;
5943         fstring user;
5944         fstring password;
5945         pstring path;
5946
5947         if (!context || !context->internal ||
5948             !context->internal->_initialized) {
5949
5950                 errno = EINVAL;
5951                 return NULL;
5952
5953         }
5954
5955         if (!fname) {
5956
5957                 errno = EINVAL;
5958                 return NULL;
5959
5960         }
5961
5962         DEBUG(4, ("smbc_open_print_job_ctx(%s)\n", fname));
5963
5964         if (smbc_parse_path(context, fname,
5965                             NULL, 0,
5966                             server, sizeof(server),
5967                             share, sizeof(share),
5968                             path, sizeof(path),
5969                             user, sizeof(user),
5970                             password, sizeof(password),
5971                             NULL, 0)) {
5972                 errno = EINVAL;
5973                 return NULL;
5974         }
5975
5976         /* What if the path is empty, or the file exists? */
5977
5978         return (context->open)(context, fname, O_WRONLY, 666);
5979
5980 }
5981
5982 /*
5983  * Routine to print a file on a remote server ...
5984  *
5985  * We open the file, which we assume to be on a remote server, and then
5986  * copy it to a print file on the share specified by printq.
5987  */
5988
5989 static int
5990 smbc_print_file_ctx(SMBCCTX *c_file,
5991                     const char *fname,
5992                     SMBCCTX *c_print,
5993                     const char *printq)
5994 {
5995         SMBCFILE *fid1;
5996         SMBCFILE *fid2;
5997         int bytes;
5998         int saverr;
5999         int tot_bytes = 0;
6000         char buf[4096];
6001
6002         if (!c_file || !c_file->internal->_initialized || !c_print ||
6003             !c_print->internal->_initialized) {
6004
6005                 errno = EINVAL;
6006                 return -1;
6007
6008         }
6009
6010         if (!fname && !printq) {
6011
6012                 errno = EINVAL;
6013                 return -1;
6014
6015         }
6016
6017         /* Try to open the file for reading ... */
6018
6019         if ((long)(fid1 = (c_file->open)(c_file, fname, O_RDONLY, 0666)) < 0) {
6020
6021                 DEBUG(3, ("Error, fname=%s, errno=%i\n", fname, errno));
6022                 return -1;  /* smbc_open sets errno */
6023
6024         }
6025
6026         /* Now, try to open the printer file for writing */
6027
6028         if ((long)(fid2 = (c_print->open_print_job)(c_print, printq)) < 0) {
6029
6030                 saverr = errno;  /* Save errno */
6031                 (c_file->close_fn)(c_file, fid1);
6032                 errno = saverr;
6033                 return -1;
6034
6035         }
6036
6037         while ((bytes = (c_file->read)(c_file, fid1, buf, sizeof(buf))) > 0) {
6038
6039                 tot_bytes += bytes;
6040
6041                 if (((c_print->write)(c_print, fid2, buf, bytes)) < 0) {
6042
6043                         saverr = errno;
6044                         (c_file->close_fn)(c_file, fid1);
6045                         (c_print->close_fn)(c_print, fid2);
6046                         errno = saverr;
6047
6048                 }
6049
6050         }
6051
6052         saverr = errno;
6053
6054         (c_file->close_fn)(c_file, fid1);  /* We have to close these anyway */
6055         (c_print->close_fn)(c_print, fid2);
6056
6057         if (bytes < 0) {
6058
6059                 errno = saverr;
6060                 return -1;
6061
6062         }
6063
6064         return tot_bytes;
6065
6066 }
6067
6068 /*
6069  * Routine to list print jobs on a printer share ...
6070  */
6071
6072 static int
6073 smbc_list_print_jobs_ctx(SMBCCTX *context,
6074                          const char *fname,
6075                          smbc_list_print_job_fn fn)
6076 {
6077         SMBCSRV *srv;
6078         fstring server;
6079         fstring share;
6080         fstring user;
6081         fstring password;
6082         fstring workgroup;
6083         pstring path;
6084
6085         if (!context || !context->internal ||
6086             !context->internal->_initialized) {
6087
6088                 errno = EINVAL;
6089                 return -1;
6090
6091         }
6092
6093         if (!fname) {
6094
6095                 errno = EINVAL;
6096                 return -1;
6097
6098         }
6099
6100         DEBUG(4, ("smbc_list_print_jobs(%s)\n", fname));
6101
6102         if (smbc_parse_path(context, fname,
6103                             workgroup, sizeof(workgroup),
6104                             server, sizeof(server),
6105                             share, sizeof(share),
6106                             path, sizeof(path),
6107                             user, sizeof(user),
6108                             password, sizeof(password),
6109                             NULL, 0)) {
6110                 errno = EINVAL;
6111                 return -1;
6112         }
6113
6114         if (user[0] == (char)0) fstrcpy(user, context->user);
6115
6116         srv = smbc_server(context, True,
6117                           server, share, workgroup, user, password);
6118
6119         if (!srv) {
6120
6121                 return -1;  /* errno set by smbc_server */
6122
6123         }
6124
6125         if (cli_print_queue(srv->cli,
6126                             (void (*)(struct print_job_info *))fn) < 0) {
6127
6128                 errno = smbc_errno(context, srv->cli);
6129                 return -1;
6130
6131         }
6132
6133         return 0;
6134
6135 }
6136
6137 /*
6138  * Delete a print job from a remote printer share
6139  */
6140
6141 static int
6142 smbc_unlink_print_job_ctx(SMBCCTX *context,
6143                           const char *fname,
6144                           int id)
6145 {
6146         SMBCSRV *srv;
6147         fstring server;
6148         fstring share;
6149         fstring user;
6150         fstring password;
6151         fstring workgroup;
6152         pstring path;
6153         int err;
6154
6155         if (!context || !context->internal ||
6156             !context->internal->_initialized) {
6157
6158                 errno = EINVAL;
6159                 return -1;
6160
6161         }
6162
6163         if (!fname) {
6164
6165                 errno = EINVAL;
6166                 return -1;
6167
6168         }
6169
6170         DEBUG(4, ("smbc_unlink_print_job(%s)\n", fname));
6171
6172         if (smbc_parse_path(context, fname,
6173                             workgroup, sizeof(workgroup),
6174                             server, sizeof(server),
6175                             share, sizeof(share),
6176                             path, sizeof(path),
6177                             user, sizeof(user),
6178                             password, sizeof(password),
6179                             NULL, 0)) {
6180                 errno = EINVAL;
6181                 return -1;
6182         }
6183
6184         if (user[0] == (char)0) fstrcpy(user, context->user);
6185
6186         srv = smbc_server(context, True,
6187                           server, share, workgroup, user, password);
6188
6189         if (!srv) {
6190
6191                 return -1;  /* errno set by smbc_server */
6192
6193         }
6194
6195         if ((err = cli_printjob_del(srv->cli, id)) != 0) {
6196
6197                 if (err < 0)
6198                         errno = smbc_errno(context, srv->cli);
6199                 else if (err == ERRnosuchprintjob)
6200                         errno = EINVAL;
6201                 return -1;
6202
6203         }
6204
6205         return 0;
6206
6207 }
6208
6209 /*
6210  * Get a new empty handle to fill in with your own info
6211  */
6212 SMBCCTX *
6213 smbc_new_context(void)
6214 {
6215         SMBCCTX *context;
6216
6217         context = SMB_MALLOC_P(SMBCCTX);
6218         if (!context) {
6219                 errno = ENOMEM;
6220                 return NULL;
6221         }
6222
6223         ZERO_STRUCTP(context);
6224
6225         context->internal = SMB_MALLOC_P(struct smbc_internal_data);
6226         if (!context->internal) {
6227                 SAFE_FREE(context);
6228                 errno = ENOMEM;
6229                 return NULL;
6230         }
6231
6232         ZERO_STRUCTP(context->internal);
6233
6234
6235         /* ADD REASONABLE DEFAULTS */
6236         context->debug            = 0;
6237         context->timeout          = 20000; /* 20 seconds */
6238
6239         context->options.browse_max_lmb_count      = 3;    /* # LMBs to query */
6240         context->options.urlencode_readdir_entries = False;/* backward compat */
6241         context->options.one_share_per_server      = False;/* backward compat */
6242         context->internal->_share_mode             = SMBC_SHAREMODE_DENY_NONE;
6243                                 /* backward compat */
6244
6245         context->open                              = smbc_open_ctx;
6246         context->creat                             = smbc_creat_ctx;
6247         context->read                              = smbc_read_ctx;
6248         context->write                             = smbc_write_ctx;
6249         context->close_fn                          = smbc_close_ctx;
6250         context->unlink                            = smbc_unlink_ctx;
6251         context->rename                            = smbc_rename_ctx;
6252         context->lseek                             = smbc_lseek_ctx;
6253         context->stat                              = smbc_stat_ctx;
6254         context->fstat                             = smbc_fstat_ctx;
6255         context->opendir                           = smbc_opendir_ctx;
6256         context->closedir                          = smbc_closedir_ctx;
6257         context->readdir                           = smbc_readdir_ctx;
6258         context->getdents                          = smbc_getdents_ctx;
6259         context->mkdir                             = smbc_mkdir_ctx;
6260         context->rmdir                             = smbc_rmdir_ctx;
6261         context->telldir                           = smbc_telldir_ctx;
6262         context->lseekdir                          = smbc_lseekdir_ctx;
6263         context->fstatdir                          = smbc_fstatdir_ctx;
6264         context->chmod                             = smbc_chmod_ctx;
6265         context->utimes                            = smbc_utimes_ctx;
6266         context->setxattr                          = smbc_setxattr_ctx;
6267         context->getxattr                          = smbc_getxattr_ctx;
6268         context->removexattr                       = smbc_removexattr_ctx;
6269         context->listxattr                         = smbc_listxattr_ctx;
6270         context->open_print_job                    = smbc_open_print_job_ctx;
6271         context->print_file                        = smbc_print_file_ctx;
6272         context->list_print_jobs                   = smbc_list_print_jobs_ctx;
6273         context->unlink_print_job                  = smbc_unlink_print_job_ctx;
6274
6275         context->callbacks.check_server_fn         = smbc_check_server;
6276         context->callbacks.remove_unused_server_fn = smbc_remove_unused_server;
6277
6278         smbc_default_cache_functions(context);
6279
6280         return context;
6281 }
6282
6283 /*
6284  * Free a context
6285  *
6286  * Returns 0 on success. Otherwise returns 1, the SMBCCTX is _not_ freed
6287  * and thus you'll be leaking memory if not handled properly.
6288  *
6289  */
6290 int
6291 smbc_free_context(SMBCCTX *context,
6292                   int shutdown_ctx)
6293 {
6294         if (!context) {
6295                 errno = EBADF;
6296                 return 1;
6297         }
6298
6299         if (shutdown_ctx) {
6300                 SMBCFILE * f;
6301                 DEBUG(1,("Performing aggressive shutdown.\n"));
6302
6303                 f = context->internal->_files;
6304                 while (f) {
6305                         (context->close_fn)(context, f);
6306                         f = f->next;
6307                 }
6308                 context->internal->_files = NULL;
6309
6310                 /* First try to remove the servers the nice way. */
6311                 if (context->callbacks.purge_cached_fn(context)) {
6312                         SMBCSRV * s;
6313                         SMBCSRV * next;
6314                         DEBUG(1, ("Could not purge all servers, "
6315                                   "Nice way shutdown failed.\n"));
6316                         s = context->internal->_servers;
6317                         while (s) {
6318                                 DEBUG(1, ("Forced shutdown: %p (fd=%d)\n",
6319                                           s, s->cli->fd));
6320                                 cli_shutdown(s->cli);
6321                                 (context->callbacks.remove_cached_srv_fn)(context,
6322                                                                           s);
6323                                 next = s->next;
6324                                 DLIST_REMOVE(context->internal->_servers, s);
6325                                 SAFE_FREE(s);
6326                                 s = next;
6327                         }
6328                         context->internal->_servers = NULL;
6329                 }
6330         }
6331         else {
6332                 /* This is the polite way */
6333                 if ((context->callbacks.purge_cached_fn)(context)) {
6334                         DEBUG(1, ("Could not purge all servers, "
6335                                   "free_context failed.\n"));
6336                         errno = EBUSY;
6337                         return 1;
6338                 }
6339                 if (context->internal->_servers) {
6340                         DEBUG(1, ("Active servers in context, "
6341                                   "free_context failed.\n"));
6342                         errno = EBUSY;
6343                         return 1;
6344                 }
6345                 if (context->internal->_files) {
6346                         DEBUG(1, ("Active files in context, "
6347                                   "free_context failed.\n"));
6348                         errno = EBUSY;
6349                         return 1;
6350                 }
6351         }
6352
6353         /* Things we have to clean up */
6354         SAFE_FREE(context->workgroup);
6355         SAFE_FREE(context->netbios_name);
6356         SAFE_FREE(context->user);
6357
6358         DEBUG(3, ("Context %p succesfully freed\n", context));
6359         SAFE_FREE(context->internal);
6360         SAFE_FREE(context);
6361         return 0;
6362 }
6363
6364
6365 /*
6366  * Each time the context structure is changed, we have binary backward
6367  * compatibility issues.  Instead of modifying the public portions of the
6368  * context structure to add new options, instead, we put them in the internal
6369  * portion of the context structure and provide a set function for these new
6370  * options.
6371  */
6372 void
6373 smbc_option_set(SMBCCTX *context,
6374                 char *option_name,
6375                 ... /* option_value */)
6376 {
6377         va_list ap;
6378         union {
6379                 int i;
6380                 BOOL b;
6381                 smbc_get_auth_data_with_context_fn auth_fn;
6382                 void *v;
6383         } option_value;
6384
6385         va_start(ap, option_name);
6386
6387         if (strcmp(option_name, "debug_to_stderr") == 0) {
6388                 /*
6389                  * Log to standard error instead of standard output.
6390                  */
6391                 option_value.b = (BOOL) va_arg(ap, int);
6392                 context->internal->_debug_stderr = option_value.b;
6393
6394         } else if (strcmp(option_name, "full_time_names") == 0) {
6395                 /*
6396                  * Use new-style time attribute names, e.g. WRITE_TIME rather
6397                  * than the old-style names such as M_TIME.  This allows also
6398                  * setting/getting CREATE_TIME which was previously
6399                  * unimplemented.  (Note that the old C_TIME was supposed to
6400                  * be CHANGE_TIME but was confused and sometimes referred to
6401                  * CREATE_TIME.)
6402                  */
6403                 option_value.b = (BOOL) va_arg(ap, int);
6404                 context->internal->_full_time_names = option_value.b;
6405
6406         } else if (strcmp(option_name, "open_share_mode") == 0) {
6407                 /*
6408                  * The share mode to use for files opened with
6409                  * smbc_open_ctx().  The default is SMBC_SHAREMODE_DENY_NONE.
6410                  */
6411                 option_value.i = va_arg(ap, int);
6412                 context->internal->_share_mode =
6413                         (smbc_share_mode) option_value.i;
6414
6415         } else if (strcmp(option_name, "auth_function") == 0) {
6416                 /*
6417                  * Use the new-style authentication function which includes
6418                  * the context.
6419                  */
6420                 option_value.auth_fn =
6421                         va_arg(ap, smbc_get_auth_data_with_context_fn);
6422                 context->internal->_auth_fn_with_context =
6423                         option_value.auth_fn;
6424         } else if (strcmp(option_name, "user_data") == 0) {
6425                 /*
6426                  * Save a user data handle which may be retrieved by the user
6427                  * with smbc_option_get()
6428                  */
6429                 option_value.v = va_arg(ap, void *);
6430                 context->internal->_user_data = option_value.v;
6431         }
6432
6433         va_end(ap);
6434 }
6435
6436
6437 /*
6438  * Retrieve the current value of an option
6439  */
6440 void *
6441 smbc_option_get(SMBCCTX *context,
6442                 char *option_name)
6443 {
6444         if (strcmp(option_name, "debug_stderr") == 0) {
6445                 /*
6446                  * Log to standard error instead of standard output.
6447                  */
6448 #if defined(__intptr_t_defined) || defined(HAVE_INTPTR_T)
6449                 return (void *) (intptr_t) context->internal->_debug_stderr;
6450 #else
6451                 return (void *) context->internal->_debug_stderr;
6452 #endif
6453         } else if (strcmp(option_name, "full_time_names") == 0) {
6454                 /*
6455                  * Use new-style time attribute names, e.g. WRITE_TIME rather
6456                  * than the old-style names such as M_TIME.  This allows also
6457                  * setting/getting CREATE_TIME which was previously
6458                  * unimplemented.  (Note that the old C_TIME was supposed to
6459                  * be CHANGE_TIME but was confused and sometimes referred to
6460                  * CREATE_TIME.)
6461                  */
6462 #if defined(__intptr_t_defined) || defined(HAVE_INTPTR_T)
6463                 return (void *) (intptr_t) context->internal->_full_time_names;
6464 #else
6465                 return (void *) context->internal->_full_time_names;
6466 #endif
6467
6468         } else if (strcmp(option_name, "auth_function") == 0) {
6469                 /*
6470                  * Use the new-style authentication function which includes
6471                  * the context.
6472                  */
6473                 return (void *) context->internal->_auth_fn_with_context;
6474         } else if (strcmp(option_name, "user_data") == 0) {
6475                 /*
6476                  * Save a user data handle which may be retrieved by the user
6477                  * with smbc_option_get()
6478                  */
6479                 return context->internal->_user_data;
6480         }
6481
6482         return NULL;
6483 }
6484
6485
6486 /*
6487  * Initialise the library etc
6488  *
6489  * We accept a struct containing handle information.
6490  * valid values for info->debug from 0 to 100,
6491  * and insist that info->fn must be non-null.
6492  */
6493 SMBCCTX *
6494 smbc_init_context(SMBCCTX *context)
6495 {
6496         pstring conf;
6497         int pid;
6498         char *user = NULL;
6499         char *home = NULL;
6500
6501         if (!context || !context->internal) {
6502                 errno = EBADF;
6503                 return NULL;
6504         }
6505
6506         /* Do not initialise the same client twice */
6507         if (context->internal->_initialized) {
6508                 return 0;
6509         }
6510
6511         if ((!context->callbacks.auth_fn &&
6512              !context->internal->_auth_fn_with_context) ||
6513             context->debug < 0 ||
6514             context->debug > 100) {
6515
6516                 errno = EINVAL;
6517                 return NULL;
6518
6519         }
6520
6521         if (!smbc_initialized) {
6522                 /*
6523                  * Do some library-wide intializations the first time we get
6524                  * called
6525                  */
6526                 BOOL conf_loaded = False;
6527
6528                 /* Set this to what the user wants */
6529                 DEBUGLEVEL = context->debug;
6530
6531                 load_case_tables();
6532
6533                 setup_logging("libsmbclient", True);
6534                 if (context->internal->_debug_stderr) {
6535                         dbf = x_stderr;
6536                         x_setbuf(x_stderr, NULL);
6537                 }
6538
6539                 /* Here we would open the smb.conf file if needed ... */
6540
6541                 in_client = True; /* FIXME, make a param */
6542
6543                 home = getenv("HOME");
6544                 if (home) {
6545                         slprintf(conf, sizeof(conf), "%s/.smb/smb.conf", home);
6546                         if (lp_load(conf, True, False, False, True)) {
6547                                 conf_loaded = True;
6548                         } else {
6549                                 DEBUG(5, ("Could not load config file: %s\n",
6550                                           conf));
6551                         }
6552                 }
6553
6554                 if (!conf_loaded) {
6555                         /*
6556                          * Well, if that failed, try the dyn_CONFIGFILE
6557                          * Which points to the standard locn, and if that
6558                          * fails, silently ignore it and use the internal
6559                          * defaults ...
6560                          */
6561
6562                         if (!lp_load(dyn_CONFIGFILE, True, False, False, False)) {
6563                                 DEBUG(5, ("Could not load config file: %s\n",
6564                                           dyn_CONFIGFILE));
6565                         } else if (home) {
6566                                 /*
6567                                  * We loaded the global config file.  Now lets
6568                                  * load user-specific modifications to the
6569                                  * global config.
6570                                  */
6571                                 slprintf(conf, sizeof(conf),
6572                                          "%s/.smb/smb.conf.append", home);
6573                                 if (!lp_load(conf, True, False, False, False)) {
6574                                         DEBUG(10,
6575                                               ("Could not append config file: "
6576                                                "%s\n",
6577                                                conf));
6578                                 }
6579                         }
6580                 }
6581
6582                 load_interfaces();  /* Load the list of interfaces ... */
6583
6584                 reopen_logs();  /* Get logging working ... */
6585
6586                 /*
6587                  * Block SIGPIPE (from lib/util_sock.c: write())
6588                  * It is not needed and should not stop execution
6589                  */
6590                 BlockSignals(True, SIGPIPE);
6591
6592                 /* Done with one-time initialisation */
6593                 smbc_initialized = 1;
6594
6595         }
6596
6597         if (!context->user) {
6598                 /*
6599                  * FIXME: Is this the best way to get the user info?
6600                  */
6601                 user = getenv("USER");
6602                 /* walk around as "guest" if no username can be found */
6603                 if (!user) context->user = SMB_STRDUP("guest");
6604                 else context->user = SMB_STRDUP(user);
6605         }
6606
6607         if (!context->netbios_name) {
6608                 /*
6609                  * We try to get our netbios name from the config. If that
6610                  * fails we fall back on constructing our netbios name from
6611                  * our hostname etc
6612                  */
6613                 if (global_myname()) {
6614                         context->netbios_name = SMB_STRDUP(global_myname());
6615                 }
6616                 else {
6617                         /*
6618                          * Hmmm, I want to get hostname as well, but I am too
6619                          * lazy for the moment
6620                          */
6621                         pid = sys_getpid();
6622                         context->netbios_name = (char *)SMB_MALLOC(17);
6623                         if (!context->netbios_name) {
6624                                 errno = ENOMEM;
6625                                 return NULL;
6626                         }
6627                         slprintf(context->netbios_name, 16,
6628                                  "smbc%s%d", context->user, pid);
6629                 }
6630         }
6631
6632         DEBUG(1, ("Using netbios name %s.\n", context->netbios_name));
6633
6634         if (!context->workgroup) {
6635                 if (lp_workgroup()) {
6636                         context->workgroup = SMB_STRDUP(lp_workgroup());
6637                 }
6638                 else {
6639                         /* TODO: Think about a decent default workgroup */
6640                         context->workgroup = SMB_STRDUP("samba");
6641                 }
6642         }
6643
6644         DEBUG(1, ("Using workgroup %s.\n", context->workgroup));
6645
6646         /* shortest timeout is 1 second */
6647         if (context->timeout > 0 && context->timeout < 1000)
6648                 context->timeout = 1000;
6649
6650         /*
6651          * FIXME: Should we check the function pointers here?
6652          */
6653
6654         context->internal->_initialized = True;
6655
6656         return context;
6657 }
6658
6659
6660 /* Return the verion of samba, and thus libsmbclient */
6661 const char *
6662 smbc_version(void)
6663 {
6664         return samba_version_string();
6665 }