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 2 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, write to the Free Software
  22    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  23 */
  24
  25 #include "includes.h"
  26
  27 #include "include/libsmb_internal.h"
  28
  29
  30 /*
  31  * DOS Attribute values (used internally)
  32  */
  33 typedef struct DOS_ATTR_DESC
  34 {
  35     int mode;
  36     unsigned long long size;
  37     time_t a_time;
  38     time_t c_time;
  39     time_t m_time;
  40     unsigned long long inode;
  41 } DOS_ATTR_DESC;
  42
  43
  44 /*
  45  * Internal flags for extended attributes
  46  */
  47
  48 /* internal mode values */
  49 #define SMBC_XATTR_MODE_ADD          1
  50 #define SMBC_XATTR_MODE_REMOVE       2
  51 #define SMBC_XATTR_MODE_REMOVE_ALL   3
  52 #define SMBC_XATTR_MODE_SET          4
  53 #define SMBC_XATTR_MODE_CHOWN        5
  54 #define SMBC_XATTR_MODE_CHGRP        6
  55
  56 #define CREATE_ACCESS_READ      READ_CONTROL_ACCESS
  57
  58 /*We should test for this in configure ... */
  59 #ifndef ENOTSUP
  60 #define ENOTSUP EOPNOTSUPP
  61 #endif
  62
  63 /*
  64  * Functions exported by libsmb_cache.c that we need here
  65  */
  66 int smbc_default_cache_functions(SMBCCTX *context);
  67
  68 /*
  69  * check if an element is part of the list.
  70  * FIXME: Does not belong here !
  71  * Can anyone put this in a macro in dlinklist.h ?
  72  * -- Tom
  73  */
  74 static int DLIST_CONTAINS(SMBCFILE * list, SMBCFILE *p) {
  75         if (!p || !list) return False;
  76         do {
  77                 if (p == list) return True;
  78                 list = list->next;
  79         } while (list);
  80         return False;
  81 }
  82
  83 extern BOOL in_client;
  84
  85 /*
  86  * Is the logging working / configfile read ?
  87  */
  88 static int smbc_initialized = 0;
  89
  90 static int
  91 hex2int( unsigned int _char )
  92 {
  93     if ( _char >= 'A' && _char <='F')
  94         return _char - 'A' + 10;
  95     if ( _char >= 'a' && _char <='f')
  96         return _char - 'a' + 10;
  97     if ( _char >= '0' && _char <='9')
  98         return _char - '0';
  99     return -1;
 100 }
 101
 102 /*
 103  * smbc_urldecode()
 104  *
 105  * Convert strings of %xx to their single character equivalent.  Each 'x' must
 106  * be a valid hexadecimal digit, or that % sequence is left undecoded.
 107  *
 108  * dest may, but need not be, the same pointer as src.
 109  *
 110  * Returns the number of % sequences which could not be converted due to lack
 111  * of two following hexadecimal digits.
 112  */
 113 int
 114 smbc_urldecode(char *dest, char * src, size_t max_dest_len)
 115 {
 116         int old_length = strlen(src);
 117         int i = 0;
 118         int err_count = 0;
 119         pstring temp;
 120         char * p;
 121
 122         if ( old_length == 0 ) {
 123                 return 0;
 124         }
 125
 126         p = temp;
 127         while ( i < old_length ) {
 128                 unsigned char character = src[ i++ ];
 129
 130                 if (character == '%') {
 131                         int a = i+1 < old_length ? hex2int( src[i] ) : -1;
 132                         int b = i+1 < old_length ? hex2int( src[i+1] ) : -1;
 133
 134                         /* Replace valid sequence */
 135                         if (a != -1 && b != -1) {
 136
 137                                 /* Replace valid %xx sequence with %dd */
 138                                 character = (a * 16) + b;
 139
 140                                 if (character == '\0') {
 141                                         break; /* Stop at %00 */
 142                                 }
 143
 144                                 i += 2;
 145                         } else {
 146
 147                                 err_count++;
 148                         }
 149                 }
 150
 151                 *p++ = character;
 152         }
 153
 154         *p = '\0';
 155
 156         strncpy(dest, temp, max_dest_len);
 157
 158         return err_count;
 159 }
 160
 161 /*
 162  * smbc_urlencode()
 163  *
 164  * Convert any characters not specifically allowed in a URL into their %xx
 165  * equivalent.
 166  *
 167  * Returns the remaining buffer length.
 168  */
 169 int
 170 smbc_urlencode(char * dest, char * src, int max_dest_len)
 171 {
 172         char hex[] = "0123456789ABCDEF";
 173
 174         for (; *src != '\0' && max_dest_len >= 3; src++) {
 175
 176                 if ((*src < '0' &&
 177                      *src != '-' &&
 178                      *src != '.') ||
 179                     (*src > '9' &&
 180                      *src < 'A') ||
 181                     (*src > 'Z' &&
 182                      *src < 'a' &&
 183                      *src != '_') ||
 184                     (*src > 'z')) {
 185                         *dest++ = '%';
 186                         *dest++ = hex[(*src >> 4) & 0x0f];
 187                         *dest++ = hex[*src & 0x0f];
 188                         max_dest_len -= 3;
 189                 } else {
 190                         *dest++ = *src;
 191                         max_dest_len--;
 192                 }
 193         }
 194
 195         *dest++ = '\0';
 196         max_dest_len--;
 197
 198         return max_dest_len;
 199 }
 200
 201 /*
 202  * Function to parse a path and turn it into components
 203  *
 204  * The general format of an SMB URI is explain in Christopher Hertel's CIFS
 205  * book, at http://ubiqx.org/cifs/Appendix-D.html.  We accept a subset of the
 206  * general format ("smb:" only; we do not look for "cifs:").
 207  *
 208  *
 209  * We accept:
 210  *  smb://[[[domain;]user[:password@]]server[/share[/path[/file]]]][?options]
 211  *
 212  * Meaning of URLs:
 213  *
 214  * smb://           Show all workgroups.
 215  *
 216  *                  The method of locating the list of workgroups varies
 217  *                  depending upon the setting of the context variable
 218  *                  context->options.browse_max_lmb_count.  This value
 219  *                  determine the maximum number of local master browsers to
 220  *                  query for the list of workgroups.  In order to ensure that
 221  *                  a complete list of workgroups is obtained, all master
 222  *                  browsers must be queried, but if there are many
 223  *                  workgroups, the time spent querying can begin to add up.
 224  *                  For small networks (not many workgroups), it is suggested
 225  *                  that this variable be set to 0, indicating query all local
 226  *                  master browsers.  When the network has many workgroups, a
 227  *                  reasonable setting for this variable might be around 3.
 228  *
 229  * smb://name/      if name<1D> or name<1B> exists, list servers in
 230  *                  workgroup, else, if name<20> exists, list all shares
 231  *                  for server ...
 232  *
 233  * If "options" are provided, this function returns the entire option list as a
 234  * string, for later parsing by the caller.  Note that currently, no options
 235  * are supported.
 236  */
 237
 238 static const char *smbc_prefix = "smb:";
 239
 240 static int
 241 smbc_parse_path(SMBCCTX *context,
 242                 const char *fname,
 243                 char *server, int server_len,
 244                 char *share, int share_len,
 245                 char *path, int path_len,
 246                 char *user, int user_len,
 247                 char *password, int password_len,
 248                 char *options, int options_len)
 249 {
 250         static pstring s;
 251         pstring userinfo;
 252         const char *p;
 253         char *q, *r;
 254         int len;
 255
 256         server[0] = share[0] = path[0] = user[0] = password[0] = (char)0;
 257         if (options != NULL && options_len > 0) {
 258                 options[0] = (char)0;
 259         }
 260         pstrcpy(s, fname);
 261
 262         /* see if it has the right prefix */
 263         len = strlen(smbc_prefix);
 264         if (strncmp(s,smbc_prefix,len) || (s[len] != '/' && s[len] != 0)) {
 265                 return -1; /* What about no smb: ? */
 266         }
 267
 268         p = s + len;
 269
 270         /* Watch the test below, we are testing to see if we should exit */
 271
 272         if (strncmp(p, "//", 2) && strncmp(p, "\\\\", 2)) {
 273
 274                 DEBUG(1, ("Invalid path (does not begin with smb://"));
 275                 return -1;
 276
 277         }
 278
 279         p += 2;  /* Skip the double slash */
 280
 281         /* See if any options were specified */
 282         if ((q = strrchr(p, '?')) != NULL ) {
 283                 /* There are options.  Null terminate here and point to them */
 284                 *q++ = '\0';
 285
 286                 DEBUG(4, ("Found options '%s'", q));
 287
 288                 /* Copy the options */
 289                 if (options != NULL && options_len > 0) {
 290                         safe_strcpy(options, q, options_len - 1);
 291                 }
 292         }
 293
 294         if (*p == (char)0)
 295             goto decoding;
 296
 297         if (*p == '/') {
 298
 299                 strncpy(server, context->workgroup,
 300                         (strlen(context->workgroup) < 16)?strlen(context->workgroup):16);
 301                 return 0;
 302
 303         }
 304
 305         /*
 306          * ok, its for us. Now parse out the server, share etc.
 307          *
 308          * However, we want to parse out [[domain;]user[:password]@] if it
 309          * exists ...
 310          */
 311
 312         /* check that '@' occurs before '/', if '/' exists at all */
 313         q = strchr_m(p, '@');
 314         r = strchr_m(p, '/');
 315         if (q && (!r || q < r)) {
 316                 pstring username, passwd, domain;
 317                 const char *u = userinfo;
 318
 319                 next_token(&p, userinfo, "@", sizeof(fstring));
 320
 321                 username[0] = passwd[0] = domain[0] = 0;
 322
 323                 if (strchr_m(u, ';')) {
 324
 325                         next_token(&u, domain, ";", sizeof(fstring));
 326
 327                 }
 328
 329                 if (strchr_m(u, ':')) {
 330
 331                         next_token(&u, username, ":", sizeof(fstring));
 332
 333                         pstrcpy(passwd, u);
 334
 335                 }
 336                 else {
 337
 338                         pstrcpy(username, u);
 339
 340                 }
 341
 342                 if (username[0])
 343                         strncpy(user, username, user_len);  /* FIXME, domain */
 344
 345                 if (passwd[0])
 346                         strncpy(password, passwd, password_len);
 347
 348         }
 349
 350         if (!next_token(&p, server, "/", sizeof(fstring))) {
 351
 352                 return -1;
 353
 354         }
 355
 356         if (*p == (char)0) goto decoding;  /* That's it ... */
 357
 358         if (!next_token(&p, share, "/", sizeof(fstring))) {
 359
 360                 return -1;
 361
 362         }
 363
 364         safe_strcpy(path, p, path_len - 1);
 365
 366         all_string_sub(path, "/", "\\", 0);
 367
 368  decoding:
 369         (void) smbc_urldecode(path, path, path_len);
 370         (void) smbc_urldecode(server, server, server_len);
 371         (void) smbc_urldecode(share, share, share_len);
 372         (void) smbc_urldecode(user, user, user_len);
 373         (void) smbc_urldecode(password, password, password_len);
 374
 375         return 0;
 376 }
 377
 378 /*
 379  * Verify that the options specified in a URL are valid
 380  */
 381 static int smbc_check_options(char *server, char *share, char *path, char *options)
 382 {
 383         DEBUG(4, ("smbc_check_options(): server='%s' share='%s' path='%s' options='%s'\n", server, share, path, options));
 384
 385         /* No options at all is always ok */
 386         if (! *options) return 0;
 387
 388         /* Currently, we don't support any options. */
 389         return -1;
 390 }
 391
 392 /*
 393  * Convert an SMB error into a UNIX error ...
 394  */
 395 static int smbc_errno(SMBCCTX *context, struct cli_state *c)
 396 {
 397         int ret = cli_errno(c);
 398
 399         if (cli_is_dos_error(c)) {
 400                 uint8 eclass;
 401                 uint32 ecode;
 402
 403                 cli_dos_error(c, &eclass, &ecode);
 404
 405                 DEBUG(3,("smbc_error %d %d (0x%x) -> %d\n",
 406                          (int)eclass, (int)ecode, (int)ecode, ret));
 407         } else {
 408                 NTSTATUS status;
 409
 410                 status = cli_nt_error(c);
 411
 412                 DEBUG(3,("smbc errno %s -> %d\n",
 413                          nt_errstr(status), ret));
 414         }
 415
 416         return ret;
 417 }
 418
 419 /*
 420  * Check a server_fd.
 421  * returns 0 if the server is in shape. Returns 1 on error
 422  *
 423  * Also useable outside libsmbclient to enable external cache
 424  * to do some checks too.
 425  */
 426 int smbc_check_server(SMBCCTX * context, SMBCSRV * server)
 427 {
 428         if ( send_keepalive(server->cli.fd) == False )
 429                 return 1;
 430
 431         /* connection is ok */
 432         return 0;
 433 }
 434
 435 /*
 436  * Remove a server from the cached server list it's unused.
 437  * On success, 0 is returned. 1 is returned if the server could not be removed.
 438  *
 439  * Also useable outside libsmbclient
 440  */
 441 int smbc_remove_unused_server(SMBCCTX * context, SMBCSRV * srv)
 442 {
 443         SMBCFILE * file;
 444
 445         /* are we being fooled ? */
 446         if (!context || !context->internal ||
 447             !context->internal->_initialized || !srv) return 1;
 448
 449
 450         /* Check all open files/directories for a relation with this server */
 451         for (file = context->internal->_files; file; file=file->next) {
 452                 if (file->srv == srv) {
 453                         /* Still used */
 454                         DEBUG(3, ("smbc_remove_usused_server: %p still used by %p.\n",
 455                                   srv, file));
 456                         return 1;
 457                 }
 458         }
 459
 460         DLIST_REMOVE(context->internal->_servers, srv);
 461
 462         cli_shutdown(&srv->cli);
 463
 464         DEBUG(3, ("smbc_remove_usused_server: %p removed.\n", srv));
 465
 466         context->callbacks.remove_cached_srv_fn(context, srv);
 467
 468         return 0;
 469 }
 470
 471 SMBCSRV *find_server(SMBCCTX *context,
 472                      const char *server,
 473                      const char *share,
 474                      fstring workgroup,
 475                      fstring username,
 476                      fstring password)
 477 {
 478         SMBCSRV *srv;
 479         int auth_called = 0;
 480
 481  check_server_cache:
 482
 483         srv = context->callbacks.get_cached_srv_fn(context, server, share,
 484                                                    workgroup, username);
 485
 486         if (!auth_called && !srv && (!username[0] || !password[0])) {
 487                 context->callbacks.auth_fn(server, share,
 488                                            workgroup, sizeof(fstring),
 489                                            username, sizeof(fstring),
 490                                            password, sizeof(fstring));
 491                 /*
 492                  * However, smbc_auth_fn may have picked up info relating to
 493                  * an existing connection, so try for an existing connection
 494                  * again ...
 495                  */
 496                 auth_called = 1;
 497                 goto check_server_cache;
 498
 499         }
 500
 501         if (srv) {
 502                 if (context->callbacks.check_server_fn(context, srv)) {
 503                         /*
 504                          * This server is no good anymore
 505                          * Try to remove it and check for more possible
 506                          * servers in the cache
 507                          */
 508                         if (context->callbacks.remove_unused_server_fn(context,
 509                                                                        srv)) {
 510                                 /*
 511                                  * We could not remove the server completely,
 512                                  * remove it from the cache so we will not get
 513                                  * it again. It will be removed when the last
 514                                  * file/dir is closed.
 515                                  */
 516                                 context->callbacks.remove_cached_srv_fn(context,
 517                                                                         srv);
 518                         }
 519
 520                         /*
 521                          * Maybe there are more cached connections to this
 522                          * server
 523                          */
 524                         goto check_server_cache;
 525                 }
 526
 527                 return srv;
 528         }
 529
 530         return NULL;
 531 }
 532
 533 /*
 534  * Connect to a server, possibly on an existing connection
 535  *
 536  * Here, what we want to do is: If the server and username
 537  * match an existing connection, reuse that, otherwise, establish a
 538  * new connection.
 539  *
 540  * If we have to create a new connection, call the auth_fn to get the
 541  * info we need, unless the username and password were passed in.
 542  */
 543
 544 SMBCSRV *smbc_server(SMBCCTX *context,
 545                      const char *server, const char *share,
 546                      fstring workgroup, fstring username,
 547                      fstring password)
 548 {
 549         SMBCSRV *srv=NULL;
 550         struct cli_state c;
 551         struct nmb_name called, calling;
 552         const char *server_n = server;
 553         pstring ipenv;
 554         struct in_addr ip;
 555         int tried_reverse = 0;
 556         int port_try_first;
 557         int port_try_next;
 558
 559         zero_ip(&ip);
 560         ZERO_STRUCT(c);
 561
 562         if (server[0] == 0) {
 563                 errno = EPERM;
 564                 return NULL;
 565         }
 566
 567         srv = find_server(context, server, share,
 568                           workgroup, username, password);
 569
 570         /*
 571          * If we found a connection and we're only allowed one share per
 572          * server...
 573          */
 574         if (srv && *share != '\0' && context->options.one_share_per_server) {
 575
 576                 /*
 577                  * ... then if there's no current connection to the share,
 578                  * connect to it.  find_server(), or rather the function
 579                  * pointed to by context->callbacks.get_cached_srv_fn which
 580                  * was called by find_server(), will have issued a tree
 581                  * disconnect if the requested share is not the same as the
 582                  * one that was already connected.
 583                  */
 584                 if (srv->cli.cnum == (uint16) -1) {
 585                         /* Ensure we have accurate auth info */
 586                         context->callbacks.auth_fn(server, share,
 587                                                    workgroup, sizeof(fstring),
 588                                                    username, sizeof(fstring),
 589                                                    password, sizeof(fstring));
 590
 591                         if (! cli_send_tconX(&srv->cli, share, "?????",
 592                                              password, strlen(password)+1)) {
 593
 594                                 errno = smbc_errno(context, &srv->cli);
 595                                 cli_shutdown(&srv->cli);
 596                                 context->callbacks.remove_cached_srv_fn(context, srv);
 597                                 srv = NULL;
 598                         }
 599
 600                         /* Regenerate the dev value since it's based on both server and share */
 601                         if (srv) {
 602                                 srv->dev = (dev_t)(str_checksum(server) ^ str_checksum(share));
 603                         }
 604                 }
 605         }
 606
 607         /* If we have a connection... */
 608         if (srv) {
 609
 610                 /* ... then we're done here.  Give 'em what they came for. */
 611                 return srv;
 612         }
 613
 614         make_nmb_name(&calling, context->netbios_name, 0x0);
 615         make_nmb_name(&called , server, 0x20);
 616
 617         DEBUG(4,("smbc_server: server_n=[%s] server=[%s]\n", server_n, server));
 618
 619         DEBUG(4,(" -> server_n=[%s] server=[%s]\n", server_n, server));
 620
 621  again:
 622         slprintf(ipenv,sizeof(ipenv)-1,"HOST_%s", server_n);
 623
 624         zero_ip(&ip);
 625
 626         /* have to open a new connection */
 627         if (!cli_initialise(&c)) {
 628                 errno = ENOMEM;
 629                 return NULL;
 630         }
 631
 632         if (context->flags & SMB_CTX_FLAG_USE_KERBEROS) {
 633                 c.use_kerberos = True;
 634         }
 635         if (context->flags & SMB_CTX_FLAG_FALLBACK_AFTER_KERBEROS) {
 636                 c.fallback_after_kerberos = True;
 637         }
 638
 639         c.timeout = context->timeout;
 640
 641         /*
 642          * Force use of port 139 for first try if share is $IPC, empty, or
 643          * null, so browse lists can work
 644          */
 645         if (share == NULL || *share == '\0' || strcmp(share, "IPC$") == 0)
 646         {
 647                 port_try_first = 139;
 648                 port_try_next = 445;
 649         }
 650         else
 651         {
 652                 port_try_first = 445;
 653                 port_try_next = 139;
 654         }
 655
 656         c.port = port_try_first;
 657
 658         if (!cli_connect(&c, server_n, &ip)) {
 659
 660                 /* First connection attempt failed.  Try alternate port. */
 661                 c.port = port_try_next;
 662
 663                 if (!cli_connect(&c, server_n, &ip)) {
 664                         cli_shutdown(&c);
 665                         errno = ETIMEDOUT;
 666                         return NULL;
 667                 }
 668         }
 669
 670         if (!cli_session_request(&c, &calling, &called)) {
 671                 cli_shutdown(&c);
 672                 if (strcmp(called.name, "*SMBSERVER")) {
 673                         make_nmb_name(&called , "*SMBSERVER", 0x20);
 674                         goto again;
 675                 }
 676                 else {  /* Try one more time, but ensure we don't loop */
 677
 678                   /* Only try this if server is an IP address ... */
 679
 680                   if (is_ipaddress(server) && !tried_reverse) {
 681                     fstring remote_name;
 682                     struct in_addr rem_ip;
 683
 684                     if ((rem_ip.s_addr=inet_addr(server)) == INADDR_NONE) {
 685                       DEBUG(4, ("Could not convert IP address %s to struct in_addr\n", server));
 686                       errno = ETIMEDOUT;
 687                       return NULL;
 688                     }
 689
 690                     tried_reverse++; /* Yuck */
 691
 692                     if (name_status_find("*", 0, 0, rem_ip, remote_name)) {
 693                       make_nmb_name(&called, remote_name, 0x20);
 694                       goto again;
 695                     }
 696
 697
 698                   }
 699                 }
 700                 errno = ETIMEDOUT;
 701                 return NULL;
 702         }
 703
 704         DEBUG(4,(" session request ok\n"));
 705
 706         if (!cli_negprot(&c)) {
 707                 cli_shutdown(&c);
 708                 errno = ETIMEDOUT;
 709                 return NULL;
 710         }
 711
 712         if (!cli_session_setup(&c, username,
 713                                password, strlen(password),
 714                                password, strlen(password),
 715                                workgroup) &&
 716                         /* Try an anonymous login if it failed and this was allowed by flags. */
 717                         ((context->flags & SMBCCTX_FLAG_NO_AUTO_ANONYMOUS_LOGON) ||
 718                         !cli_session_setup(&c, "", "", 1,"", 0, workgroup))) {
 719                 cli_shutdown(&c);
 720                 errno = EPERM;
 721                 return NULL;
 722         }
 723
 724         DEBUG(4,(" session setup ok\n"));
 725
 726         if (!cli_send_tconX(&c, share, "?????",
 727                             password, strlen(password)+1)) {
 728                 errno = smbc_errno(context, &c);
 729                 cli_shutdown(&c);
 730                 return NULL;
 731         }
 732
 733         DEBUG(4,(" tconx ok\n"));
 734
 735         /*
 736          * Ok, we have got a nice connection
 737          * Let's find a free server_fd
 738          */
 739
 740         srv = SMB_MALLOC_P(SMBCSRV);
 741         if (!srv) {
 742                 errno = ENOMEM;
 743                 goto failed;
 744         }
 745
 746         ZERO_STRUCTP(srv);
 747         srv->cli = c;
 748         srv->dev = (dev_t)(str_checksum(server) ^ str_checksum(share));
 749
 750         /* now add it to the cache (internal or external)  */
 751         /* Let the cache function set errno if it wants to */
 752         errno = 0;
 753         if (context->callbacks.add_cached_srv_fn(context, srv, server, share, workgroup, username)) {
 754                 int saved_errno = errno;
 755                 DEBUG(3, (" Failed to add server to cache\n"));
 756                 errno = saved_errno;
 757                 if (errno == 0) {
 758                         errno = ENOMEM;
 759                 }
 760                 goto failed;
 761         }
 762
 763         DEBUG(2, ("Server connect ok: //%s/%s: %p\n",
 764                   server, share, srv));
 765
 766         DLIST_ADD(context->internal->_servers, srv);
 767         return srv;
 768
 769  failed:
 770         cli_shutdown(&c);
 771         if (!srv) return NULL;
 772
 773         SAFE_FREE(srv);
 774         return NULL;
 775 }
 776
 777 /*
 778  * Connect to a server for getting/setting attributes, possibly on an existing
 779  * connection.  This works similarly to smbc_server().
 780  */
 781 SMBCSRV *smbc_attr_server(SMBCCTX *context,
 782                           const char *server, const char *share,
 783                           fstring workgroup,
 784                           fstring username, fstring password,
 785                           POLICY_HND *pol)
 786 {
 787         struct in_addr ip;
 788         struct cli_state *ipc_cli;
 789         NTSTATUS nt_status;
 790         SMBCSRV *ipc_srv=NULL;
 791
 792         /*
 793          * See if we've already created this special connection.  Reference our
 794          * "special" share name '*IPC$', which is an impossible real share name
 795          * due to the leading asterisk.
 796          */
 797         ipc_srv = find_server(context, server, "*IPC$",
 798                               workgroup, username, password);
 799         if (!ipc_srv) {
 800
 801                 /* We didn't find a cached connection.  Get the password */
 802                 if (*password == '\0') {
 803                         /* ... then retrieve it now. */
 804                         context->callbacks.auth_fn(server, share,
 805                                                    workgroup, sizeof(fstring),
 806                                                    username, sizeof(fstring),
 807                                                    password, sizeof(fstring));
 808                 }
 809
 810                 zero_ip(&ip);
 811                 nt_status = cli_full_connection(&ipc_cli,
 812                                                 global_myname(), server,
 813                                                 &ip, 0, "IPC$", "?????",
 814                                                 username, workgroup,
 815                                                 password, 0,
 816                                                 Undefined, NULL);
 817                 if (! NT_STATUS_IS_OK(nt_status)) {
 818                         DEBUG(1,("cli_full_connection failed! (%s)\n",
 819                                  nt_errstr(nt_status)));
 820                         errno = ENOTSUP;
 821                         return NULL;
 822                 }
 823
 824                 if (!cli_nt_session_open(ipc_cli, PI_LSARPC)) {
 825                         DEBUG(1, ("cli_nt_session_open fail!\n"));
 826                         errno = ENOTSUP;
 827                         cli_shutdown(ipc_cli);
 828                         return NULL;
 829                 }
 830
 831                 /* Some systems don't support SEC_RIGHTS_MAXIMUM_ALLOWED,
 832                    but NT sends 0x2000000 so we might as well do it too. */
 833
 834                 nt_status = cli_lsa_open_policy(ipc_cli,
 835                                                 ipc_cli->mem_ctx,
 836                                                 True,
 837                                                 GENERIC_EXECUTE_ACCESS,
 838                                                 pol);
 839
 840                 if (!NT_STATUS_IS_OK(nt_status)) {
 841                         errno = smbc_errno(context, ipc_cli);
 842                         cli_shutdown(ipc_cli);
 843                         return NULL;
 844                 }
 845
 846                 ipc_srv = SMB_MALLOC_P(SMBCSRV);
 847                 if (!ipc_srv) {
 848                         errno = ENOMEM;
 849                         cli_shutdown(ipc_cli);
 850                         return NULL;
 851                 }
 852
 853                 ZERO_STRUCTP(ipc_srv);
 854                 ipc_srv->cli = *ipc_cli;
 855
 856                 free(ipc_cli);
 857
 858                 /* now add it to the cache (internal or external) */
 859
 860                 errno = 0;      /* let cache function set errno if it likes */
 861                 if (context->callbacks.add_cached_srv_fn(context, ipc_srv,
 862                                                          server,
 863                                                          "*IPC$",
 864                                                          workgroup,
 865                                                          username)) {
 866                         DEBUG(3, (" Failed to add server to cache\n"));
 867                         if (errno == 0) {
 868                                 errno = ENOMEM;
 869                         }
 870                         cli_shutdown(&ipc_srv->cli);
 871                         free(ipc_srv);
 872                         return NULL;
 873                 }
 874
 875                 DLIST_ADD(context->internal->_servers, ipc_srv);
 876         }
 877
 878         return ipc_srv;
 879 }
 880
 881 /*
 882  * Routine to open() a file ...
 883  */
 884
 885 static SMBCFILE *smbc_open_ctx(SMBCCTX *context, const char *fname, int flags, mode_t mode)
 886 {
 887         fstring server, share, user, password, workgroup;
 888         pstring path;
 889         SMBCSRV *srv   = NULL;
 890         SMBCFILE *file = NULL;
 891         int fd;
 892
 893         if (!context || !context->internal ||
 894             !context->internal->_initialized) {
 895
 896                 errno = EINVAL;  /* Best I can think of ... */
 897                 return NULL;
 898
 899         }
 900
 901         if (!fname) {
 902
 903                 errno = EINVAL;
 904                 return NULL;
 905
 906         }
 907
 908         if (smbc_parse_path(context, fname,
 909                             server, sizeof(server),
 910                             share, sizeof(share),
 911                             path, sizeof(path),
 912                             user, sizeof(user),
 913                             password, sizeof(password),
 914                             NULL, 0)) {
 915                 errno = EINVAL;
 916                 return NULL;
 917         }
 918
 919         if (user[0] == (char)0) fstrcpy(user, context->user);
 920
 921         fstrcpy(workgroup, context->workgroup);
 922
 923         srv = smbc_server(context, server, share, workgroup, user, password);
 924
 925         if (!srv) {
 926
 927                 if (errno == EPERM) errno = EACCES;
 928                 return NULL;  /* smbc_server sets errno */
 929
 930         }
 931
 932         /* Hmmm, the test for a directory is suspect here ... FIXME */
 933
 934         if (strlen(path) > 0 && path[strlen(path) - 1] == '\\') {
 935
 936                 fd = -1;
 937
 938         }
 939         else {
 940
 941                 file = SMB_MALLOC_P(SMBCFILE);
 942
 943                 if (!file) {
 944
 945                         errno = ENOMEM;
 946                         return NULL;
 947
 948                 }
 949
 950                 ZERO_STRUCTP(file);
 951
 952                 if ((fd = cli_open(&srv->cli, path, flags, DENY_NONE)) < 0) {
 953
 954                         /* Handle the error ... */
 955
 956                         SAFE_FREE(file);
 957                         errno = smbc_errno(context, &srv->cli);
 958                         return NULL;
 959
 960                 }
 961
 962                 /* Fill in file struct */
 963
 964                 file->cli_fd  = fd;
 965                 file->fname   = SMB_STRDUP(fname);
 966                 file->srv     = srv;
 967                 file->offset  = 0;
 968                 file->file    = True;
 969
 970                 DLIST_ADD(context->internal->_files, file);
 971                 return file;
 972
 973         }
 974
 975         /* Check if opendir needed ... */
 976
 977         if (fd == -1) {
 978                 int eno = 0;
 979
 980                 eno = smbc_errno(context, &srv->cli);
 981                 file = context->opendir(context, fname);
 982                 if (!file) errno = eno;
 983                 return file;
 984
 985         }
 986
 987         errno = EINVAL; /* FIXME, correct errno ? */
 988         return NULL;
 989
 990 }
 991
 992 /*
 993  * Routine to create a file
 994  */
 995
 996 static int creat_bits = O_WRONLY | O_CREAT | O_TRUNC; /* FIXME: Do we need this */
 997
 998 static SMBCFILE *smbc_creat_ctx(SMBCCTX *context, const char *path, mode_t mode)
 999 {
1000
1001         if (!context || !context->internal ||
1002             !context->internal->_initialized) {
1003
1004                 errno = EINVAL;
1005                 return NULL;
1006
1007         }
1008
1009         return smbc_open_ctx(context, path, creat_bits, mode);
1010 }
1011
1012 /*
1013  * Routine to read() a file ...
1014  */
1015
1016 static ssize_t smbc_read_ctx(SMBCCTX *context, SMBCFILE *file, void *buf, size_t count)
1017 {
1018         int ret;
1019
1020         if (!context || !context->internal ||
1021             !context->internal->_initialized) {
1022
1023                 errno = EINVAL;
1024                 return -1;
1025
1026         }
1027
1028         DEBUG(4, ("smbc_read(%p, %d)\n", file, (int)count));
1029
1030         if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
1031
1032                 errno = EBADF;
1033                 return -1;
1034
1035         }
1036
1037         /* Check that the buffer exists ... */
1038
1039         if (buf == NULL) {
1040
1041                 errno = EINVAL;
1042                 return -1;
1043
1044         }
1045
1046         ret = cli_read(&file->srv->cli, file->cli_fd, buf, file->offset, count);
1047
1048         if (ret < 0) {
1049
1050                 errno = smbc_errno(context, &file->srv->cli);
1051                 return -1;
1052
1053         }
1054
1055         file->offset += ret;
1056
1057         DEBUG(4, ("  --> %d\n", ret));
1058
1059         return ret;  /* Success, ret bytes of data ... */
1060
1061 }
1062
1063 /*
1064  * Routine to write() a file ...
1065  */
1066
1067 static ssize_t smbc_write_ctx(SMBCCTX *context, SMBCFILE *file, void *buf, size_t count)
1068 {
1069         int ret;
1070
1071         if (!context || !context->internal ||
1072             !context->internal->_initialized) {
1073
1074                 errno = EINVAL;
1075                 return -1;
1076
1077         }
1078
1079         if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
1080
1081                 errno = EBADF;
1082                 return -1;
1083
1084         }
1085
1086         /* Check that the buffer exists ... */
1087
1088         if (buf == NULL) {
1089
1090                 errno = EINVAL;
1091                 return -1;
1092
1093         }
1094
1095         ret = cli_write(&file->srv->cli, file->cli_fd, 0, buf, file->offset, count);
1096
1097         if (ret <= 0) {
1098
1099                 errno = smbc_errno(context, &file->srv->cli);
1100                 return -1;
1101
1102         }
1103
1104         file->offset += ret;
1105
1106         return ret;  /* Success, 0 bytes of data ... */
1107 }
1108
1109 /*
1110  * Routine to close() a file ...
1111  */
1112
1113 static int smbc_close_ctx(SMBCCTX *context, SMBCFILE *file)
1114 {
1115         SMBCSRV *srv;
1116
1117         if (!context || !context->internal ||
1118             !context->internal->_initialized) {
1119
1120                 errno = EINVAL;
1121                 return -1;
1122
1123         }
1124
1125         if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
1126
1127                 errno = EBADF;
1128                 return -1;
1129
1130         }
1131
1132         /* IS a dir ... */
1133         if (!file->file) {
1134
1135                 return context->closedir(context, file);
1136
1137         }
1138
1139         if (!cli_close(&file->srv->cli, file->cli_fd)) {
1140
1141                 DEBUG(3, ("cli_close failed on %s. purging server.\n",
1142                           file->fname));
1143                 /* Deallocate slot and remove the server
1144                  * from the server cache if unused */
1145                 errno = smbc_errno(context, &file->srv->cli);
1146                 srv = file->srv;
1147                 DLIST_REMOVE(context->internal->_files, file);
1148                 SAFE_FREE(file->fname);
1149                 SAFE_FREE(file);
1150                 context->callbacks.remove_unused_server_fn(context, srv);
1151
1152                 return -1;
1153
1154         }
1155
1156         DLIST_REMOVE(context->internal->_files, file);
1157         SAFE_FREE(file->fname);
1158         SAFE_FREE(file);
1159
1160         return 0;
1161 }
1162
1163 /*
1164  * Get info from an SMB server on a file. Use a qpathinfo call first
1165  * and if that fails, use getatr, as Win95 sometimes refuses qpathinfo
1166  */
1167 static BOOL smbc_getatr(SMBCCTX * context, SMBCSRV *srv, char *path,
1168                  uint16 *mode, size_t *size,
1169                  time_t *c_time, time_t *a_time, time_t *m_time,
1170                  SMB_INO_T *ino)
1171 {
1172
1173         if (!context || !context->internal ||
1174             !context->internal->_initialized) {
1175
1176                 errno = EINVAL;
1177                 return -1;
1178
1179         }
1180
1181         DEBUG(4,("smbc_getatr: sending qpathinfo\n"));
1182
1183         if (!srv->no_pathinfo2 &&
1184             cli_qpathinfo2(&srv->cli, path, c_time, a_time, m_time, NULL,
1185                            size, mode, ino)) return True;
1186
1187         /* if this is NT then don't bother with the getatr */
1188         if (srv->cli.capabilities & CAP_NT_SMBS) {
1189                 errno = EPERM;
1190                 return False;
1191         }
1192
1193         if (cli_getatr(&srv->cli, path, mode, size, m_time)) {
1194                 a_time = c_time = m_time;
1195                 srv->no_pathinfo2 = True;
1196                 return True;
1197         }
1198
1199         errno = EPERM;
1200         return False;
1201
1202 }
1203
1204 /*
1205  * Routine to unlink() a file
1206  */
1207
1208 static int smbc_unlink_ctx(SMBCCTX *context, const char *fname)
1209 {
1210         fstring server, share, user, password, workgroup;
1211         pstring path;
1212         SMBCSRV *srv = NULL;
1213
1214         if (!context || !context->internal ||
1215             !context->internal->_initialized) {
1216
1217                 errno = EINVAL;  /* Best I can think of ... */
1218                 return -1;
1219
1220         }
1221
1222         if (!fname) {
1223
1224                 errno = EINVAL;
1225                 return -1;
1226
1227         }
1228
1229         if (smbc_parse_path(context, fname,
1230                             server, sizeof(server),
1231                             share, sizeof(share),
1232                             path, sizeof(path),
1233                             user, sizeof(user),
1234                             password, sizeof(password),
1235                             NULL, 0)) {
1236                 errno = EINVAL;
1237                 return -1;
1238         }
1239
1240         if (user[0] == (char)0) fstrcpy(user, context->user);
1241
1242         fstrcpy(workgroup, context->workgroup);
1243
1244         srv = smbc_server(context, server, share, workgroup, user, password);
1245
1246         if (!srv) {
1247
1248                 return -1;  /* smbc_server sets errno */
1249
1250         }
1251
1252         /*  if (strncmp(srv->cli.dev, "LPT", 3) == 0) {
1253
1254     int job = smbc_stat_printjob(srv, path, NULL, NULL);
1255     if (job == -1) {
1256
1257       return -1;
1258
1259     }
1260     if ((err = cli_printjob_del(&srv->cli, job)) != 0) {
1261
1262
1263       return -1;
1264
1265     }
1266     } else */
1267
1268         if (!cli_unlink(&srv->cli, path)) {
1269
1270                 errno = smbc_errno(context, &srv->cli);
1271
1272                 if (errno == EACCES) { /* Check if the file is a directory */
1273
1274                         int saverr = errno;
1275                         size_t size = 0;
1276                         uint16 mode = 0;
1277                         time_t m_time = 0, a_time = 0, c_time = 0;
1278                         SMB_INO_T ino = 0;
1279
1280                         if (!smbc_getatr(context, srv, path, &mode, &size,
1281                                          &c_time, &a_time, &m_time, &ino)) {
1282
1283                                 /* Hmmm, bad error ... What? */
1284
1285                                 errno = smbc_errno(context, &srv->cli);
1286                                 return -1;
1287
1288                         }
1289                         else {
1290
1291                                 if (IS_DOS_DIR(mode))
1292                                         errno = EISDIR;
1293                                 else
1294                                         errno = saverr;  /* Restore this */
1295
1296                         }
1297                 }
1298
1299                 return -1;
1300
1301         }
1302
1303         return 0;  /* Success ... */
1304
1305 }
1306
1307 /*
1308  * Routine to rename() a file
1309  */
1310
1311 static int smbc_rename_ctx(SMBCCTX *ocontext, const char *oname,
1312                            SMBCCTX *ncontext, const char *nname)
1313 {
1314         fstring server1, share1, server2, share2, user1, user2, password1, password2, workgroup;
1315         pstring path1, path2;
1316         SMBCSRV *srv = NULL;
1317
1318         if (!ocontext || !ncontext ||
1319             !ocontext->internal || !ncontext->internal ||
1320             !ocontext->internal->_initialized ||
1321             !ncontext->internal->_initialized) {
1322
1323                 errno = EINVAL;  /* Best I can think of ... */
1324                 return -1;
1325
1326         }
1327
1328         if (!oname || !nname) {
1329
1330                 errno = EINVAL;
1331                 return -1;
1332
1333         }
1334
1335         DEBUG(4, ("smbc_rename(%s,%s)\n", oname, nname));
1336
1337         smbc_parse_path(ocontext, oname,
1338                         server1, sizeof(server1),
1339                         share1, sizeof(share1),
1340                         path1, sizeof(path1),
1341                         user1, sizeof(user1),
1342                         password1, sizeof(password1),
1343                         NULL, 0);
1344
1345         if (user1[0] == (char)0) fstrcpy(user1, ocontext->user);
1346
1347         smbc_parse_path(ncontext, nname,
1348                         server2, sizeof(server2),
1349                         share2, sizeof(share2),
1350                         path2, sizeof(path2),
1351                         user2, sizeof(user2),
1352                         password2, sizeof(password2),
1353                         NULL, 0);
1354
1355         if (user2[0] == (char)0) fstrcpy(user2, ncontext->user);
1356
1357         if (strcmp(server1, server2) || strcmp(share1, share2) ||
1358             strcmp(user1, user2)) {
1359
1360                 /* Can't rename across file systems, or users?? */
1361
1362                 errno = EXDEV;
1363                 return -1;
1364
1365         }
1366
1367         fstrcpy(workgroup, ocontext->workgroup);
1368         /* HELP !!! Which workgroup should I use ? Or are they always the same -- Tom */
1369         srv = smbc_server(ocontext, server1, share1, workgroup, user1, password1);
1370         if (!srv) {
1371
1372                 return -1;
1373
1374         }
1375
1376         if (!cli_rename(&srv->cli, path1, path2)) {
1377                 int eno = smbc_errno(ocontext, &srv->cli);
1378
1379                 if (eno != EEXIST ||
1380                     !cli_unlink(&srv->cli, path2) ||
1381                     !cli_rename(&srv->cli, path1, path2)) {
1382
1383                         errno = eno;
1384                         return -1;
1385
1386                 }
1387         }
1388
1389         return 0; /* Success */
1390
1391 }
1392
1393 /*
1394  * A routine to lseek() a file
1395  */
1396
1397 static off_t smbc_lseek_ctx(SMBCCTX *context, SMBCFILE *file, off_t offset, int whence)
1398 {
1399         size_t size;
1400
1401         if (!context || !context->internal ||
1402             !context->internal->_initialized) {
1403
1404                 errno = EINVAL;
1405                 return -1;
1406
1407         }
1408
1409         if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
1410
1411                 errno = EBADF;
1412                 return -1;
1413
1414         }
1415
1416         if (!file->file) {
1417
1418                 errno = EINVAL;
1419                 return -1;      /* Can't lseek a dir ... */
1420
1421         }
1422
1423         switch (whence) {
1424         case SEEK_SET:
1425                 file->offset = offset;
1426                 break;
1427
1428         case SEEK_CUR:
1429                 file->offset += offset;
1430                 break;
1431
1432         case SEEK_END:
1433                 if (!cli_qfileinfo(&file->srv->cli, file->cli_fd, NULL, &size, NULL, NULL,
1434                                    NULL, NULL, NULL))
1435                 {
1436                     SMB_BIG_UINT b_size = size;
1437                     if (!cli_getattrE(&file->srv->cli, file->cli_fd, NULL, &b_size, NULL, NULL,
1438                                       NULL))
1439                     {
1440                         errno = EINVAL;
1441                         return -1;
1442                     } else
1443                         size = b_size;
1444                 }
1445                 file->offset = size + offset;
1446                 break;
1447
1448         default:
1449                 errno = EINVAL;
1450                 break;
1451
1452         }
1453
1454         return file->offset;
1455
1456 }
1457
1458 /*
1459  * Generate an inode number from file name for those things that need it
1460  */
1461
1462 static
1463 ino_t smbc_inode(SMBCCTX *context, const char *name)
1464 {
1465
1466         if (!context || !context->internal ||
1467             !context->internal->_initialized) {
1468
1469                 errno = EINVAL;
1470                 return -1;
1471
1472         }
1473
1474         if (!*name) return 2; /* FIXME, why 2 ??? */
1475         return (ino_t)str_checksum(name);
1476
1477 }
1478
1479 /*
1480  * Routine to put basic stat info into a stat structure ... Used by stat and
1481  * fstat below.
1482  */
1483
1484 static
1485 int smbc_setup_stat(SMBCCTX *context, struct stat *st, char *fname, size_t size, int mode)
1486 {
1487
1488         st->st_mode = 0;
1489
1490         if (IS_DOS_DIR(mode)) {
1491                 st->st_mode = SMBC_DIR_MODE;
1492         } else {
1493                 st->st_mode = SMBC_FILE_MODE;
1494         }
1495
1496         if (IS_DOS_ARCHIVE(mode)) st->st_mode |= S_IXUSR;
1497         if (IS_DOS_SYSTEM(mode)) st->st_mode |= S_IXGRP;
1498         if (IS_DOS_HIDDEN(mode)) st->st_mode |= S_IXOTH;
1499         if (!IS_DOS_READONLY(mode)) st->st_mode |= S_IWUSR;
1500
1501         st->st_size = size;
1502 #ifdef HAVE_STAT_ST_BLKSIZE
1503         st->st_blksize = 512;
1504 #endif
1505 #ifdef HAVE_STAT_ST_BLOCKS
1506         st->st_blocks = (size+511)/512;
1507 #endif
1508         st->st_uid = getuid();
1509         st->st_gid = getgid();
1510
1511         if (IS_DOS_DIR(mode)) {
1512                 st->st_nlink = 2;
1513         } else {
1514                 st->st_nlink = 1;
1515         }
1516
1517         if (st->st_ino == 0) {
1518                 st->st_ino = smbc_inode(context, fname);
1519         }
1520
1521         return True;  /* FIXME: Is this needed ? */
1522
1523 }
1524
1525 /*
1526  * Routine to stat a file given a name
1527  */
1528
1529 static int smbc_stat_ctx(SMBCCTX *context, const char *fname, struct stat *st)
1530 {
1531         SMBCSRV *srv;
1532         fstring server, share, user, password, workgroup;
1533         pstring path;
1534         time_t m_time = 0, a_time = 0, c_time = 0;
1535         size_t size = 0;
1536         uint16 mode = 0;
1537         SMB_INO_T ino = 0;
1538
1539         if (!context || !context->internal ||
1540             !context->internal->_initialized) {
1541
1542                 errno = EINVAL;  /* Best I can think of ... */
1543                 return -1;
1544
1545         }
1546
1547         if (!fname) {
1548
1549                 errno = EINVAL;
1550                 return -1;
1551
1552         }
1553
1554         DEBUG(4, ("smbc_stat(%s)\n", fname));
1555
1556         if (smbc_parse_path(context, fname,
1557                             server, sizeof(server),
1558                             share, sizeof(share),
1559                             path, sizeof(path),
1560                             user, sizeof(user),
1561                             password, sizeof(password),
1562                             NULL, 0)) {
1563                 errno = EINVAL;
1564                 return -1;
1565         }
1566
1567         if (user[0] == (char)0) fstrcpy(user, context->user);
1568
1569         fstrcpy(workgroup, context->workgroup);
1570
1571         srv = smbc_server(context, server, share, workgroup, user, password);
1572
1573         if (!srv) {
1574                 return -1;  /* errno set by smbc_server */
1575         }
1576
1577         if (!smbc_getatr(context, srv, path, &mode, &size,
1578                          &c_time, &a_time, &m_time, &ino)) {
1579
1580                 errno = smbc_errno(context, &srv->cli);
1581                 return -1;
1582
1583         }
1584
1585         st->st_ino = ino;
1586
1587         smbc_setup_stat(context, st, path, size, mode);
1588
1589         st->st_atime = a_time;
1590         st->st_ctime = c_time;
1591         st->st_mtime = m_time;
1592         st->st_dev   = srv->dev;
1593
1594         return 0;
1595
1596 }
1597
1598 /*
1599  * Routine to stat a file given an fd
1600  */
1601
1602 static int smbc_fstat_ctx(SMBCCTX *context, SMBCFILE *file, struct stat *st)
1603 {
1604         time_t c_time, a_time, m_time;
1605         size_t size;
1606         uint16 mode;
1607         SMB_INO_T ino = 0;
1608
1609         if (!context || !context->internal ||
1610             !context->internal->_initialized) {
1611
1612                 errno = EINVAL;
1613                 return -1;
1614
1615         }
1616
1617         if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
1618
1619                 errno = EBADF;
1620                 return -1;
1621
1622         }
1623
1624         if (!file->file) {
1625
1626                 return context->fstatdir(context, file, st);
1627
1628         }
1629
1630         if (!cli_qfileinfo(&file->srv->cli, file->cli_fd,
1631                            &mode, &size, &c_time, &a_time, &m_time, NULL, &ino)) {
1632             SMB_BIG_UINT b_size = size;
1633             if (!cli_getattrE(&file->srv->cli, file->cli_fd,
1634                           &mode, &b_size, &c_time, &a_time, &m_time)) {
1635
1636                 errno = EINVAL;
1637                 return -1;
1638             } else
1639                 size = b_size;
1640
1641         }
1642
1643         st->st_ino = ino;
1644
1645         smbc_setup_stat(context, st, file->fname, size, mode);
1646
1647         st->st_atime = a_time;
1648         st->st_ctime = c_time;
1649         st->st_mtime = m_time;
1650         st->st_dev = file->srv->dev;
1651
1652         return 0;
1653
1654 }
1655
1656 /*
1657  * Routine to open a directory
1658  * We accept the URL syntax explained in smbc_parse_path(), above.
1659  */
1660
1661 static void smbc_remove_dir(SMBCFILE *dir)
1662 {
1663         struct smbc_dir_list *d,*f;
1664
1665         d = dir->dir_list;
1666         while (d) {
1667
1668                 f = d; d = d->next;
1669
1670                 SAFE_FREE(f->dirent);
1671                 SAFE_FREE(f);
1672
1673         }
1674
1675         dir->dir_list = dir->dir_end = dir->dir_next = NULL;
1676
1677 }
1678
1679 static int add_dirent(SMBCFILE *dir, const char *name, const char *comment, uint32 type)
1680 {
1681         struct smbc_dirent *dirent;
1682         int size;
1683         int name_length = (name == NULL ? 0 : strlen(name));
1684         int comment_len = (comment == NULL ? 0 : strlen(comment));
1685
1686         /*
1687          * Allocate space for the dirent, which must be increased by the
1688          * size of the name and the comment and 1 each for the null terminator.
1689          */
1690
1691         size = sizeof(struct smbc_dirent) + name_length + comment_len + 2;
1692
1693         dirent = SMB_MALLOC(size);
1694
1695         if (!dirent) {
1696
1697                 dir->dir_error = ENOMEM;
1698                 return -1;
1699
1700         }
1701
1702         ZERO_STRUCTP(dirent);
1703
1704         if (dir->dir_list == NULL) {
1705
1706                 dir->dir_list = SMB_MALLOC_P(struct smbc_dir_list);
1707                 if (!dir->dir_list) {
1708
1709                         SAFE_FREE(dirent);
1710                         dir->dir_error = ENOMEM;
1711                         return -1;
1712
1713                 }
1714                 ZERO_STRUCTP(dir->dir_list);
1715
1716                 dir->dir_end = dir->dir_next = dir->dir_list;
1717         }
1718         else {
1719
1720                 dir->dir_end->next = SMB_MALLOC_P(struct smbc_dir_list);
1721
1722                 if (!dir->dir_end->next) {
1723
1724                         SAFE_FREE(dirent);
1725                         dir->dir_error = ENOMEM;
1726                         return -1;
1727
1728                 }
1729                 ZERO_STRUCTP(dir->dir_end->next);
1730
1731                 dir->dir_end = dir->dir_end->next;
1732         }
1733
1734         dir->dir_end->next = NULL;
1735         dir->dir_end->dirent = dirent;
1736
1737         dirent->smbc_type = type;
1738         dirent->namelen = name_length;
1739         dirent->commentlen = comment_len;
1740         dirent->dirlen = size;
1741
1742         strncpy(dirent->name, (name?name:""), dirent->namelen + 1);
1743
1744         dirent->comment = (char *)(&dirent->name + dirent->namelen + 1);
1745         strncpy(dirent->comment, (comment?comment:""), dirent->commentlen + 1);
1746
1747         return 0;
1748
1749 }
1750
1751 static void
1752 list_unique_wg_fn(const char *name, uint32 type, const char *comment, void *state)
1753 {
1754         SMBCFILE *dir = (SMBCFILE *)state;
1755         struct smbc_dir_list *dir_list;
1756         struct smbc_dirent *dirent;
1757         int dirent_type;
1758         int do_remove = 0;
1759
1760         dirent_type = dir->dir_type;
1761
1762         if (add_dirent(dir, name, comment, dirent_type) < 0) {
1763
1764                 /* An error occurred, what do we do? */
1765                 /* FIXME: Add some code here */
1766         }
1767
1768         /* Point to the one just added */
1769         dirent = dir->dir_end->dirent;
1770
1771         /* See if this was a duplicate */
1772         for (dir_list = dir->dir_list;
1773              dir_list != dir->dir_end;
1774              dir_list = dir_list->next) {
1775                 if (! do_remove &&
1776                     strcmp(dir_list->dirent->name, dirent->name) == 0) {
1777                         /* Duplicate.  End end of list need to be removed. */
1778                         do_remove = 1;
1779                 }
1780
1781                 if (do_remove && dir_list->next == dir->dir_end) {
1782                         /* Found the end of the list.  Remove it. */
1783                         dir->dir_end = dir_list;
1784                         free(dir_list->next);
1785                         dir_list->next = NULL;
1786                         break;
1787                 }
1788         }
1789 }
1790
1791 static void
1792 list_fn(const char *name, uint32 type, const char *comment, void *state)
1793 {
1794         SMBCFILE *dir = (SMBCFILE *)state;
1795         int dirent_type;
1796
1797         /* We need to process the type a little ... */
1798
1799         if (dir->dir_type == SMBC_FILE_SHARE) {
1800
1801                 switch (type) {
1802                 case 0: /* Directory tree */
1803                         dirent_type = SMBC_FILE_SHARE;
1804                         break;
1805
1806                 case 1:
1807                         dirent_type = SMBC_PRINTER_SHARE;
1808                         break;
1809
1810                 case 2:
1811                         dirent_type = SMBC_COMMS_SHARE;
1812                         break;
1813
1814                 case 3:
1815                         dirent_type = SMBC_IPC_SHARE;
1816                         break;
1817
1818                 default:
1819                         dirent_type = SMBC_FILE_SHARE; /* FIXME, error? */
1820                         break;
1821                 }
1822         }
1823         else dirent_type = dir->dir_type;
1824
1825         if (add_dirent(dir, name, comment, dirent_type) < 0) {
1826
1827                 /* An error occurred, what do we do? */
1828                 /* FIXME: Add some code here */
1829
1830         }
1831 }
1832
1833 static void
1834 dir_list_fn(const char *mnt, file_info *finfo, const char *mask, void *state)
1835 {
1836
1837         if (add_dirent((SMBCFILE *)state, finfo->name, "",
1838                        (finfo->mode&aDIR?SMBC_DIR:SMBC_FILE)) < 0) {
1839
1840                 /* Handle an error ... */
1841
1842                 /* FIXME: Add some code ... */
1843
1844         }
1845
1846 }
1847
1848 static SMBCFILE *smbc_opendir_ctx(SMBCCTX *context, const char *fname)
1849 {
1850         fstring server, share, user, password, options;
1851         pstring workgroup;
1852         pstring path;
1853         SMBCSRV *srv  = NULL;
1854         SMBCFILE *dir = NULL;
1855         struct in_addr rem_ip;
1856
1857         if (!context || !context->internal ||
1858             !context->internal->_initialized) {
1859                 DEBUG(4, ("no valid context\n"));
1860                 errno = EINVAL + 8192;
1861                 return NULL;
1862
1863         }
1864
1865         if (!fname) {
1866                 DEBUG(4, ("no valid fname\n"));
1867                 errno = EINVAL + 8193;
1868                 return NULL;
1869         }
1870
1871         if (smbc_parse_path(context, fname,
1872                             server, sizeof(server),
1873                             share, sizeof(share),
1874                             path, sizeof(path),
1875                             user, sizeof(user),
1876                             password, sizeof(password),
1877                             options, sizeof(options))) {
1878                 DEBUG(4, ("no valid path\n"));
1879                 errno = EINVAL + 8194;
1880                 return NULL;
1881         }
1882
1883         DEBUG(4, ("parsed path: fname='%s' server='%s' share='%s' path='%s' options='%s'\n", fname, server, share, path, options));
1884
1885         /* Ensure the options are valid */
1886         if (smbc_check_options(server, share, path, options)) {
1887                 DEBUG(4, ("unacceptable options (%s)\n", options));
1888                 errno = EINVAL + 8195;
1889                 return NULL;
1890         }
1891
1892         if (user[0] == (char)0) fstrcpy(user, context->user);
1893
1894         pstrcpy(workgroup, context->workgroup);
1895
1896         dir = SMB_MALLOC_P(SMBCFILE);
1897
1898         if (!dir) {
1899
1900                 errno = ENOMEM;
1901                 return NULL;
1902
1903         }
1904
1905         ZERO_STRUCTP(dir);
1906
1907         dir->cli_fd   = 0;
1908         dir->fname    = SMB_STRDUP(fname);
1909         dir->srv      = NULL;
1910         dir->offset   = 0;
1911         dir->file     = False;
1912         dir->dir_list = dir->dir_next = dir->dir_end = NULL;
1913
1914         if (server[0] == (char)0) {
1915
1916                 int i;
1917                 int count;
1918                 int max_lmb_count;
1919                 struct ip_service *ip_list;
1920                 struct ip_service server_addr;
1921                 struct user_auth_info u_info;
1922                 struct cli_state *cli;
1923
1924                 if (share[0] != (char)0 || path[0] != (char)0) {
1925
1926                         errno = EINVAL + 8196;
1927                         if (dir) {
1928                                 SAFE_FREE(dir->fname);
1929                                 SAFE_FREE(dir);
1930                         }
1931                         return NULL;
1932                 }
1933
1934                 /* Determine how many local master browsers to query */
1935                 max_lmb_count = (context->options.browse_max_lmb_count == 0
1936                                  ? INT_MAX
1937                                  : context->options.browse_max_lmb_count);
1938
1939                 pstrcpy(u_info.username, user);
1940                 pstrcpy(u_info.password, password);
1941
1942                 /*
1943                  * We have server and share and path empty but options
1944                  * requesting that we scan all master browsers for their list
1945                  * of workgroups/domains.  This implies that we must first try
1946                  * broadcast queries to find all master browsers, and if that
1947                  * doesn't work, then try our other methods which return only
1948                  * a single master browser.
1949                  */
1950
1951                 if (!name_resolve_bcast(MSBROWSE, 1, &ip_list, &count)) {
1952                         if (!find_master_ip(workgroup, &server_addr.ip)) {
1953
1954                                 errno = ENOENT;
1955                                 return NULL;
1956                         }
1957
1958                         ip_list = &server_addr;
1959                         count = 1;
1960                 }
1961
1962                 for (i = 0; i < count && i < max_lmb_count; i++) {
1963                         DEBUG(99, ("Found master browser %s\n", inet_ntoa(ip_list[i].ip)));
1964
1965                         cli = get_ipc_connect_master_ip(&ip_list[i], workgroup, &u_info);
1966                         /* cli == NULL is the master browser refused to talk or
1967                            could not be found */
1968                         if ( !cli )
1969                                 continue;
1970
1971                         fstrcpy(server, cli->desthost);
1972                         cli_shutdown(cli);
1973
1974                         DEBUG(4, ("using workgroup %s %s\n", workgroup, server));
1975
1976                         /*
1977                          * For each returned master browser IP address, get a
1978                          * connection to IPC$ on the server if we do not
1979                          * already have one, and determine the
1980                          * workgroups/domains that it knows about.
1981                          */
1982
1983                         srv = smbc_server(context, server,
1984                                           "IPC$", workgroup, user, password);
1985                         if (!srv) {
1986
1987                                 if (dir) {
1988                                         SAFE_FREE(dir->fname);
1989                                         SAFE_FREE(dir);
1990                                 }
1991                                 return NULL;
1992                         }
1993
1994                         dir->srv = srv;
1995                         dir->dir_type = SMBC_WORKGROUP;
1996
1997                         /* Now, list the stuff ... */
1998
1999                         if (!cli_NetServerEnum(&srv->cli, workgroup, SV_TYPE_DOMAIN_ENUM, list_unique_wg_fn,
2000                                                (void *)dir)) {
2001
2002                                 if (dir) {
2003                                         SAFE_FREE(dir->fname);
2004                                         SAFE_FREE(dir);
2005                                 }
2006
2007                                 return NULL;
2008
2009                         }
2010                 }
2011         } else {
2012                 /*
2013                  * Server not an empty string ... Check the rest and see what
2014                  * gives
2015                  */
2016                 if (share[0] == (char)0) {
2017
2018                         if (path[0] != (char)0) { /* Should not have empty share with path */
2019
2020                                 errno = EINVAL + 8197;
2021                                 if (dir) {
2022                                         SAFE_FREE(dir->fname);
2023                                         SAFE_FREE(dir);
2024                                 }
2025                                 return NULL;
2026
2027                         }
2028
2029                         /* Check to see if <server><1D>, <server><1B>, or <server><20> translates */
2030                         /* However, we check to see if <server> is an IP address first */
2031
2032                         if (!is_ipaddress(server) &&  /* Not an IP addr so check next */
2033                             (resolve_name(server, &rem_ip, 0x1d) ||   /* Found LMB */
2034                                     resolve_name(server, &rem_ip, 0x1b) )) { /* Found DMB */
2035                                 fstring buserver;
2036
2037                                 dir->dir_type = SMBC_SERVER;
2038
2039                                 /*
2040                                  * Get the backup list ...
2041                                  */
2042
2043
2044                                 if (!name_status_find(server, 0, 0, rem_ip, buserver)) {
2045
2046                                         DEBUG(0, ("Could not get name of local/domain master browser for server %s\n", server));
2047                                         errno = EPERM;  /* FIXME, is this correct */
2048                                         return NULL;
2049
2050                                 }
2051
2052                                 /*
2053                                  * Get a connection to IPC$ on the server if we do not already have one
2054                                  */
2055
2056                                 srv = smbc_server(context, buserver, "IPC$", workgroup, user, password);
2057
2058                                 if (!srv) {
2059                                         DEBUG(0, ("got no contact to IPC$\n"));
2060                                         if (dir) {
2061                                                 SAFE_FREE(dir->fname);
2062                                                 SAFE_FREE(dir);
2063                                         }
2064                                         return NULL;
2065
2066                                 }
2067
2068                                 dir->srv = srv;
2069
2070                                 /* Now, list the servers ... */
2071
2072                                 if (!cli_NetServerEnum(&srv->cli, server, 0x0000FFFE, list_fn,
2073                                                        (void *)dir)) {
2074
2075                                         if (dir) {
2076                                                 SAFE_FREE(dir->fname);
2077                                                 SAFE_FREE(dir);
2078                                         }
2079                                         return NULL;
2080
2081                                 }
2082                         }
2083                         else {
2084
2085                                 if (resolve_name(server, &rem_ip, 0x20)) {
2086
2087                                         /* Now, list the shares ... */
2088
2089                                         dir->dir_type = SMBC_FILE_SHARE;
2090
2091                                         srv = smbc_server(context, server, "IPC$", workgroup, user, password);
2092
2093                                         if (!srv) {
2094
2095                                                 if (dir) {
2096                                                         SAFE_FREE(dir->fname);
2097                                                         SAFE_FREE(dir);
2098                                                 }
2099                                                 return NULL;
2100
2101                                         }
2102
2103                                         dir->srv = srv;
2104
2105                                         /* Now, list the servers ... */
2106
2107                                         if (cli_RNetShareEnum(&srv->cli, list_fn,
2108                                                               (void *)dir) < 0) {
2109
2110                                                 errno = cli_errno(&srv->cli);
2111                                                 if (dir) {
2112                                                         SAFE_FREE(dir->fname);
2113                                                         SAFE_FREE(dir);
2114                                                 }
2115                                                 return NULL;
2116
2117                                         }
2118
2119                                 }
2120                                 else {
2121
2122                                         errno = ECONNREFUSED;   /* Neither the workgroup nor server exists */
2123                                         if (dir) {
2124                                                 SAFE_FREE(dir->fname);
2125                                                 SAFE_FREE(dir);
2126                                         }
2127                                         return NULL;
2128
2129                                 }
2130
2131                         }
2132
2133                 }
2134                 else { /* The server and share are specified ... work from there ... */
2135
2136                         /* Well, we connect to the server and list the directory */
2137
2138                         dir->dir_type = SMBC_FILE_SHARE;
2139
2140                         srv = smbc_server(context, server, share, workgroup, user, password);
2141
2142                         if (!srv) {
2143
2144                                 if (dir) {
2145                                         SAFE_FREE(dir->fname);
2146                                         SAFE_FREE(dir);
2147                                 }
2148                                 return NULL;
2149
2150                         }
2151
2152                         dir->srv = srv;
2153
2154                         /* Now, list the files ... */
2155
2156                         pstrcat(path, "\\*");
2157
2158                         if (cli_list(&srv->cli, path, aDIR | aSYSTEM | aHIDDEN, dir_list_fn,
2159                                      (void *)dir) < 0) {
2160
2161                                 if (dir) {
2162                                         SAFE_FREE(dir->fname);
2163                                         SAFE_FREE(dir);
2164                                 }
2165                                 errno = smbc_errno(context, &srv->cli);
2166                                 return NULL;
2167
2168                         }
2169                 }
2170
2171         }
2172
2173         DLIST_ADD(context->internal->_files, dir);
2174         return dir;
2175
2176 }
2177
2178 /*
2179  * Routine to close a directory
2180  */
2181
2182 static int smbc_closedir_ctx(SMBCCTX *context, SMBCFILE *dir)
2183 {
2184
2185         if (!context || !context->internal ||
2186             !context->internal->_initialized) {
2187
2188                 errno = EINVAL;
2189                 return -1;
2190
2191         }
2192
2193         if (!dir || !DLIST_CONTAINS(context->internal->_files, dir)) {
2194
2195                 errno = EBADF;
2196                 return -1;
2197
2198         }
2199
2200         smbc_remove_dir(dir); /* Clean it up */
2201
2202         DLIST_REMOVE(context->internal->_files, dir);
2203
2204         if (dir) {
2205
2206                 SAFE_FREE(dir->fname);
2207                 SAFE_FREE(dir);    /* Free the space too */
2208         }
2209
2210         return 0;
2211
2212 }
2213
2214 static void smbc_readdir_internal(SMBCCTX * context,
2215                                   struct smbc_dirent *dest,
2216                                   struct smbc_dirent *src,
2217                                   int max_namebuf_len)
2218 {
2219         if (context->options.urlencode_readdir_entries) {
2220
2221                 /* url-encode the name.  get back remaining buffer space */
2222                 max_namebuf_len =
2223                         smbc_urlencode(dest->name, src->name, max_namebuf_len);
2224
2225                 /* We now know the name length */
2226                 dest->namelen = strlen(dest->name);
2227
2228                 /* Save the pointer to the beginning of the comment */
2229                 dest->comment = dest->name + dest->namelen + 1;
2230
2231                 /* Copy the comment */
2232                 strncpy(dest->comment, src->comment, max_namebuf_len);
2233
2234                 /* Ensure the comment is null terminated */
2235                 if (max_namebuf_len > src->commentlen) {
2236                         dest->comment[src->commentlen] = '\0';
2237                 } else {
2238                         dest->comment[max_namebuf_len - 1] = '\0';
2239                 }
2240
2241                 /* Save other fields */
2242                 dest->smbc_type = src->smbc_type;
2243                 dest->commentlen = strlen(dest->comment);
2244                 dest->dirlen = ((dest->comment + dest->commentlen + 1) -
2245                                 (char *) dest);
2246         } else {
2247
2248                 /* No encoding.  Just copy the entry as is. */
2249                 memcpy(dest, src, src->dirlen);
2250                 dest->comment = (char *)(&dest->name + src->namelen + 1);
2251         }
2252
2253 }
2254
2255 /*
2256  * Routine to get a directory entry
2257  */
2258
2259 struct smbc_dirent *smbc_readdir_ctx(SMBCCTX *context, SMBCFILE *dir)
2260 {
2261         int maxlen;
2262         struct smbc_dirent *dirp, *dirent;
2263
2264         /* Check that all is ok first ... */
2265
2266         if (!context || !context->internal ||
2267             !context->internal->_initialized) {
2268
2269                 errno = EINVAL;
2270                 DEBUG(0, ("Invalid context in smbc_readdir_ctx()\n"));
2271                 return NULL;
2272
2273         }
2274
2275         if (!dir || !DLIST_CONTAINS(context->internal->_files, dir)) {
2276
2277                 errno = EBADF;
2278                 DEBUG(0, ("Invalid dir in smbc_readdir_ctx()\n"));
2279                 return NULL;
2280
2281         }
2282
2283         if (dir->file != False) { /* FIXME, should be dir, perhaps */
2284
2285                 errno = ENOTDIR;
2286                 DEBUG(0, ("Found file vs directory in smbc_readdir_ctx()\n"));
2287                 return NULL;
2288
2289         }
2290
2291         if (!dir->dir_next) {
2292                 return NULL;
2293         }
2294
2295         dirent = dir->dir_next->dirent;
2296         if (!dirent) {
2297
2298                 errno = ENOENT;
2299                 return NULL;
2300
2301         }
2302
2303         dirp = (struct smbc_dirent *)context->internal->_dirent;
2304         maxlen = (sizeof(context->internal->_dirent) -
2305                   sizeof(struct smbc_dirent));
2306
2307         smbc_readdir_internal(context, dirp, dirent, maxlen);
2308
2309         dir->dir_next = dir->dir_next->next;
2310
2311         return dirp;
2312 }
2313
2314 /*
2315  * Routine to get directory entries
2316  */
2317
2318 static int smbc_getdents_ctx(SMBCCTX *context,
2319                              SMBCFILE *dir,
2320                              struct smbc_dirent *dirp,
2321                              int count)
2322 {
2323         int rem = count;
2324         int reqd;
2325         int maxlen;
2326         char *ndir = (char *)dirp;
2327         struct smbc_dir_list *dirlist;
2328
2329         /* Check that all is ok first ... */
2330
2331         if (!context || !context->internal ||
2332             !context->internal->_initialized) {
2333
2334                 errno = EINVAL;
2335                 return -1;
2336
2337         }
2338
2339         if (!dir || !DLIST_CONTAINS(context->internal->_files, dir)) {
2340
2341                 errno = EBADF;
2342                 return -1;
2343
2344         }
2345
2346         if (dir->file != False) { /* FIXME, should be dir, perhaps */
2347
2348                 errno = ENOTDIR;
2349                 return -1;
2350
2351         }
2352
2353         /*
2354          * Now, retrieve the number of entries that will fit in what was passed
2355          * We have to figure out if the info is in the list, or we need to
2356          * send a request to the server to get the info.
2357          */
2358
2359         while ((dirlist = dir->dir_next)) {
2360                 struct smbc_dirent *dirent;
2361
2362                 if (!dirlist->dirent) {
2363
2364                         errno = ENOENT;  /* Bad error */
2365                         return -1;
2366
2367                 }
2368
2369                 /* Do urlencoding of next entry, if so selected */
2370                 dirent = (struct smbc_dirent *)context->internal->_dirent;
2371                 maxlen = (sizeof(context->internal->_dirent) -
2372                           sizeof(struct smbc_dirent));
2373                 smbc_readdir_internal(context, dirent, dirlist->dirent, maxlen);
2374
2375                 reqd = dirent->dirlen;
2376
2377                 if (rem < reqd) {
2378
2379                         if (rem < count) { /* We managed to copy something */
2380
2381                                 errno = 0;
2382                                 return count - rem;
2383
2384                         }
2385                         else { /* Nothing copied ... */
2386
2387                                 errno = EINVAL;  /* Not enough space ... */
2388                                 return -1;
2389
2390                         }
2391
2392                 }
2393
2394                 memcpy(ndir, dirent, reqd); /* Copy the data in ... */
2395
2396                 ((struct smbc_dirent *)ndir)->comment =
2397                         (char *)(&((struct smbc_dirent *)ndir)->name +
2398                                  dirent->namelen +
2399                                  1);
2400
2401                 ndir += reqd;
2402
2403                 rem -= reqd;
2404
2405                 dir->dir_next = dirlist = dirlist -> next;
2406         }
2407
2408         if (rem == count)
2409                 return 0;
2410         else
2411                 return count - rem;
2412
2413 }
2414
2415 /*
2416  * Routine to create a directory ...
2417  */
2418
2419 static int smbc_mkdir_ctx(SMBCCTX *context, const char *fname, mode_t mode)
2420 {
2421         SMBCSRV *srv;
2422         fstring server, share, user, password, workgroup;
2423         pstring path;
2424
2425         if (!context || !context->internal ||
2426             !context->internal->_initialized) {
2427
2428                 errno = EINVAL;
2429                 return -1;
2430
2431         }
2432
2433         if (!fname) {
2434
2435                 errno = EINVAL;
2436                 return -1;
2437
2438         }
2439
2440         DEBUG(4, ("smbc_mkdir(%s)\n", fname));
2441
2442         if (smbc_parse_path(context, fname,
2443                             server, sizeof(server),
2444                             share, sizeof(share),
2445                             path, sizeof(path),
2446                             user, sizeof(user),
2447                             password, sizeof(password),
2448                             NULL, 0)) {
2449                 errno = EINVAL;
2450                 return -1;
2451         }
2452
2453         if (user[0] == (char)0) fstrcpy(user, context->user);
2454
2455         fstrcpy(workgroup, context->workgroup);
2456
2457         srv = smbc_server(context, server, share, workgroup, user, password);
2458
2459         if (!srv) {
2460
2461                 return -1;  /* errno set by smbc_server */
2462
2463         }
2464
2465         if (!cli_mkdir(&srv->cli, path)) {
2466
2467                 errno = smbc_errno(context, &srv->cli);
2468                 return -1;
2469
2470         }
2471
2472         return 0;
2473
2474 }
2475
2476 /*
2477  * Our list function simply checks to see if a directory is not empty
2478  */
2479
2480 static int smbc_rmdir_dirempty = True;
2481
2482 static void rmdir_list_fn(const char *mnt, file_info *finfo, const char *mask, void *state)
2483 {
2484
2485         if (strncmp(finfo->name, ".", 1) != 0 && strncmp(finfo->name, "..", 2) != 0)
2486                 smbc_rmdir_dirempty = False;
2487
2488 }
2489
2490 /*
2491  * Routine to remove a directory
2492  */
2493
2494 static int smbc_rmdir_ctx(SMBCCTX *context, const char *fname)
2495 {
2496         SMBCSRV *srv;
2497         fstring server, share, user, password, workgroup;
2498         pstring path;
2499
2500         if (!context || !context->internal ||
2501             !context->internal->_initialized) {
2502
2503                 errno = EINVAL;
2504                 return -1;
2505
2506         }
2507
2508         if (!fname) {
2509
2510                 errno = EINVAL;
2511                 return -1;
2512
2513         }
2514
2515         DEBUG(4, ("smbc_rmdir(%s)\n", fname));
2516
2517         if (smbc_parse_path(context, fname,
2518                             server, sizeof(server),
2519                             share, sizeof(share),
2520                             path, sizeof(path),
2521                             user, sizeof(user),
2522                             password, sizeof(password),
2523                             NULL, 0))
2524         {
2525                 errno = EINVAL;
2526                 return -1;
2527         }
2528
2529         if (user[0] == (char)0) fstrcpy(user, context->user);
2530
2531         fstrcpy(workgroup, context->workgroup);
2532
2533         srv = smbc_server(context, server, share, workgroup, user, password);
2534
2535         if (!srv) {
2536
2537                 return -1;  /* errno set by smbc_server */
2538
2539         }
2540
2541         /* if (strncmp(srv->cli.dev, "IPC", 3) == 0) {
2542
2543            mode = aDIR | aRONLY;
2544
2545            }
2546            else if (strncmp(srv->cli.dev, "LPT", 3) == 0) {
2547
2548            if (strcmp(path, "\\") == 0) {
2549
2550            mode = aDIR | aRONLY;
2551
2552            }
2553            else {
2554
2555            mode = aRONLY;
2556            smbc_stat_printjob(srv, path, &size, &m_time);
2557            c_time = a_time = m_time;
2558
2559            }
2560            else { */
2561
2562         if (!cli_rmdir(&srv->cli, path)) {
2563
2564                 errno = smbc_errno(context, &srv->cli);
2565
2566                 if (errno == EACCES) {  /* Check if the dir empty or not */
2567
2568                         pstring lpath; /* Local storage to avoid buffer overflows */
2569
2570                         smbc_rmdir_dirempty = True;  /* Make this so ... */
2571
2572                         pstrcpy(lpath, path);
2573                         pstrcat(lpath, "\\*");
2574
2575                         if (cli_list(&srv->cli, lpath, aDIR | aSYSTEM | aHIDDEN, rmdir_list_fn,
2576                                      NULL) < 0) {
2577
2578                                 /* Fix errno to ignore latest error ... */
2579
2580                                 DEBUG(5, ("smbc_rmdir: cli_list returned an error: %d\n",
2581                                           smbc_errno(context, &srv->cli)));
2582                                 errno = EACCES;
2583
2584                         }
2585
2586                         if (smbc_rmdir_dirempty)
2587                                 errno = EACCES;
2588                         else
2589                                 errno = ENOTEMPTY;
2590
2591                 }
2592
2593                 return -1;
2594
2595         }
2596
2597         return 0;
2598
2599 }
2600
2601 /*
2602  * Routine to return the current directory position
2603  */
2604
2605 static off_t smbc_telldir_ctx(SMBCCTX *context, SMBCFILE *dir)
2606 {
2607         off_t ret_val; /* Squash warnings about cast */
2608
2609         if (!context || !context->internal ||
2610             !context->internal->_initialized) {
2611
2612                 errno = EINVAL;
2613                 return -1;
2614
2615         }
2616
2617         if (!dir || !DLIST_CONTAINS(context->internal->_files, dir)) {
2618
2619                 errno = EBADF;
2620                 return -1;
2621
2622         }
2623
2624         if (dir->file != False) { /* FIXME, should be dir, perhaps */
2625
2626                 errno = ENOTDIR;
2627                 return -1;
2628
2629         }
2630
2631         /*
2632          * We return the pointer here as the offset
2633          */
2634         ret_val = (int)dir->dir_next;
2635         return ret_val;
2636
2637 }
2638
2639 /*
2640  * A routine to run down the list and see if the entry is OK
2641  */
2642
2643 struct smbc_dir_list *smbc_check_dir_ent(struct smbc_dir_list *list,
2644                                          struct smbc_dirent *dirent)
2645 {
2646
2647         /* Run down the list looking for what we want */
2648
2649         if (dirent) {
2650
2651                 struct smbc_dir_list *tmp = list;
2652
2653                 while (tmp) {
2654
2655                         if (tmp->dirent == dirent)
2656                                 return tmp;
2657
2658                         tmp = tmp->next;
2659
2660                 }
2661
2662         }
2663
2664         return NULL;  /* Not found, or an error */
2665
2666 }
2667
2668
2669 /*
2670  * Routine to seek on a directory
2671  */
2672
2673 static int smbc_lseekdir_ctx(SMBCCTX *context, SMBCFILE *dir, off_t offset)
2674 {
2675         long int l_offset = offset;  /* Handle problems of size */
2676         struct smbc_dirent *dirent = (struct smbc_dirent *)l_offset;
2677         struct smbc_dir_list *list_ent = (struct smbc_dir_list *)NULL;
2678
2679         if (!context || !context->internal ||
2680             !context->internal->_initialized) {
2681
2682                 errno = EINVAL;
2683                 return -1;
2684
2685         }
2686
2687         if (dir->file != False) { /* FIXME, should be dir, perhaps */
2688
2689                 errno = ENOTDIR;
2690                 return -1;
2691
2692         }
2693
2694         /* Now, check what we were passed and see if it is OK ... */
2695
2696         if (dirent == NULL) {  /* Seek to the begining of the list */
2697
2698                 dir->dir_next = dir->dir_list;
2699                 return 0;
2700
2701         }
2702
2703         /* Now, run down the list and make sure that the entry is OK       */
2704         /* This may need to be changed if we change the format of the list */
2705
2706         if ((list_ent = smbc_check_dir_ent(dir->dir_list, dirent)) == NULL) {
2707
2708                 errno = EINVAL;   /* Bad entry */
2709                 return -1;
2710
2711         }
2712
2713         dir->dir_next = list_ent;
2714
2715         return 0;
2716
2717 }
2718
2719 /*
2720  * Routine to fstat a dir
2721  */
2722
2723 static int smbc_fstatdir_ctx(SMBCCTX *context, SMBCFILE *dir, struct stat *st)
2724 {
2725
2726         if (!context || !context->internal ||
2727             !context->internal->_initialized) {
2728
2729                 errno = EINVAL;
2730                 return -1;
2731
2732         }
2733
2734         /* No code yet ... */
2735
2736         return 0;
2737
2738 }
2739
2740 int smbc_chmod_ctx(SMBCCTX *context, const char *fname, mode_t newmode)
2741 {
2742         SMBCSRV *srv;
2743         fstring server, share, user, password, workgroup;
2744         pstring path;
2745         uint16 mode;
2746
2747         if (!context || !context->internal ||
2748             !context->internal->_initialized) {
2749
2750                 errno = EINVAL;  /* Best I can think of ... */
2751                 return -1;
2752
2753         }
2754
2755         if (!fname) {
2756
2757                 errno = EINVAL;
2758                 return -1;
2759
2760         }
2761
2762         DEBUG(4, ("smbc_chmod(%s, 0%3o)\n", fname, newmode));
2763
2764         if (smbc_parse_path(context, fname,
2765                             server, sizeof(server),
2766                             share, sizeof(share),
2767                             path, sizeof(path),
2768                             user, sizeof(user),
2769                             password, sizeof(password),
2770                             NULL, 0)) {
2771                 errno = EINVAL;
2772                 return -1;
2773         }
2774
2775         if (user[0] == (char)0) fstrcpy(user, context->user);
2776
2777         fstrcpy(workgroup, context->workgroup);
2778
2779         srv = smbc_server(context, server, share, workgroup, user, password);
2780
2781         if (!srv) {
2782                 return -1;  /* errno set by smbc_server */
2783         }
2784
2785         mode = 0;
2786
2787         if (!(newmode & (S_IWUSR | S_IWGRP | S_IWOTH))) mode |= aRONLY;
2788         if ((newmode & S_IXUSR) && lp_map_archive(-1)) mode |= aARCH;
2789         if ((newmode & S_IXGRP) && lp_map_system(-1)) mode |= aSYSTEM;
2790         if ((newmode & S_IXOTH) && lp_map_hidden(-1)) mode |= aHIDDEN;
2791
2792         if (!cli_setatr(&srv->cli, path, mode, 0)) {
2793                 errno = smbc_errno(context, &srv->cli);
2794                 return -1;
2795         }
2796
2797         return 0;
2798 }
2799
2800 int smbc_utimes_ctx(SMBCCTX *context, const char *fname, struct timeval *tbuf)
2801 {
2802         SMBCSRV *srv;
2803         fstring server, share, user, password, workgroup;
2804         pstring path;
2805         uint16 mode;
2806         time_t t = (tbuf == NULL ? time(NULL) : tbuf->tv_sec);
2807
2808         if (!context || !context->internal ||
2809             !context->internal->_initialized) {
2810
2811                 errno = EINVAL;  /* Best I can think of ... */
2812                 return -1;
2813
2814         }
2815
2816         if (!fname) {
2817
2818                 errno = EINVAL;
2819                 return -1;
2820
2821         }
2822
2823         DEBUG(4, ("smbc_utimes(%s, [%s])\n", fname, ctime(&t)));
2824
2825         if (smbc_parse_path(context, fname,
2826                             server, sizeof(server),
2827                             share, sizeof(share),
2828                             path, sizeof(path),
2829                             user, sizeof(user),
2830                             password, sizeof(password),
2831                             NULL, 0)) {
2832                 errno = EINVAL;
2833                 return -1;
2834         }
2835
2836         if (user[0] == (char)0) fstrcpy(user, context->user);
2837
2838         fstrcpy(workgroup, context->workgroup);
2839
2840         srv = smbc_server(context, server, share, workgroup, user, password);
2841
2842         if (!srv) {
2843                 return -1;  /* errno set by smbc_server */
2844         }
2845
2846         if (!smbc_getatr(context, srv, path,
2847                          &mode, NULL,
2848                          NULL, NULL, NULL,
2849                          NULL)) {
2850                 return -1;
2851         }
2852
2853         if (!cli_setatr(&srv->cli, path, mode, t)) {
2854                 /* some servers always refuse directory changes */
2855                 if (!(mode & aDIR)) {
2856                         errno = smbc_errno(context, &srv->cli);
2857                         return -1;
2858                 }
2859         }
2860
2861         return 0;
2862 }
2863
2864
2865 /* The MSDN is contradictory over the ordering of ACE entries in an ACL.
2866    However NT4 gives a "The information may have been modified by a
2867    computer running Windows NT 5.0" if denied ACEs do not appear before
2868    allowed ACEs. */
2869
2870 static int ace_compare(SEC_ACE *ace1, SEC_ACE *ace2)
2871 {
2872         if (sec_ace_equal(ace1, ace2))
2873                 return 0;
2874
2875         if (ace1->type != ace2->type)
2876                 return ace2->type - ace1->type;
2877
2878         if (sid_compare(&ace1->trustee, &ace2->trustee))
2879                 return sid_compare(&ace1->trustee, &ace2->trustee);
2880
2881         if (ace1->flags != ace2->flags)
2882                 return ace1->flags - ace2->flags;
2883
2884         if (ace1->info.mask != ace2->info.mask)
2885                 return ace1->info.mask - ace2->info.mask;
2886
2887         if (ace1->size != ace2->size)
2888                 return ace1->size - ace2->size;
2889
2890         return memcmp(ace1, ace2, sizeof(SEC_ACE));
2891 }
2892
2893
2894 static void sort_acl(SEC_ACL *the_acl)
2895 {
2896         uint32 i;
2897         if (!the_acl) return;
2898
2899         qsort(the_acl->ace, the_acl->num_aces, sizeof(the_acl->ace[0]), QSORT_CAST ace_compare);
2900
2901         for (i=1;i<the_acl->num_aces;) {
2902                 if (sec_ace_equal(&the_acl->ace[i-1], &the_acl->ace[i])) {
2903                         int j;
2904                         for (j=i; j<the_acl->num_aces-1; j++) {
2905                                 the_acl->ace[j] = the_acl->ace[j+1];
2906                         }
2907                         the_acl->num_aces--;
2908                 } else {
2909                         i++;
2910                 }
2911         }
2912 }
2913
2914 /* convert a SID to a string, either numeric or username/group */
2915 static void convert_sid_to_string(struct cli_state *ipc_cli,
2916                                   POLICY_HND *pol,
2917                                   fstring str,
2918                                   BOOL numeric,
2919                                   DOM_SID *sid)
2920 {
2921         char **domains = NULL;
2922         char **names = NULL;
2923         uint32 *types = NULL;
2924
2925         sid_to_string(str, sid);
2926
2927         if (numeric) return;     /* no lookup desired */
2928
2929         /* Ask LSA to convert the sid to a name */
2930
2931         if (!NT_STATUS_IS_OK(cli_lsa_lookup_sids(ipc_cli, ipc_cli->mem_ctx,
2932                                                  pol, 1, sid, &domains,
2933                                                  &names, &types)) ||
2934             !domains || !domains[0] || !names || !names[0]) {
2935                 return;
2936         }
2937
2938         /* Converted OK */
2939
2940         slprintf(str, sizeof(fstring) - 1, "%s%s%s",
2941                  domains[0], lp_winbind_separator(),
2942                  names[0]);
2943 }
2944
2945 /* convert a string to a SID, either numeric or username/group */
2946 static BOOL convert_string_to_sid(struct cli_state *ipc_cli,
2947                                   POLICY_HND *pol,
2948                                   BOOL numeric,
2949                                   DOM_SID *sid,
2950                                   const char *str)
2951 {
2952         uint32 *types = NULL;
2953         DOM_SID *sids = NULL;
2954         BOOL result = True;
2955
2956         if (numeric) {
2957                 if (strncmp(str, "S-", 2) == 0) {
2958                         return string_to_sid(sid, str);
2959                 }
2960
2961                 result = False;
2962                 goto done;
2963         }
2964
2965         if (!NT_STATUS_IS_OK(cli_lsa_lookup_names(ipc_cli, ipc_cli->mem_ctx,
2966                                                   pol, 1, &str, &sids,
2967                                                   &types))) {
2968                 result = False;
2969                 goto done;
2970         }
2971
2972         sid_copy(sid, &sids[0]);
2973  done:
2974
2975         return result;
2976 }
2977
2978
2979 /* parse an ACE in the same format as print_ace() */
2980 static BOOL parse_ace(struct cli_state *ipc_cli,
2981                       POLICY_HND *pol,
2982                       SEC_ACE *ace,
2983                       BOOL numeric,
2984                       char *str)
2985 {
2986         char *p;
2987         const char *cp;
2988         fstring tok;
2989         unsigned atype, aflags, amask;
2990         DOM_SID sid;
2991         SEC_ACCESS mask;
2992         const struct perm_value *v;
2993         struct perm_value {
2994                 const char *perm;
2995                 uint32 mask;
2996         };
2997
2998         /* These values discovered by inspection */
2999         static const struct perm_value special_values[] = {
3000                 { "R", 0x00120089 },
3001                 { "W", 0x00120116 },
3002                 { "X", 0x001200a0 },
3003                 { "D", 0x00010000 },
3004                 { "P", 0x00040000 },
3005                 { "O", 0x00080000 },
3006                 { NULL, 0 },
3007         };
3008
3009         static const struct perm_value standard_values[] = {
3010                 { "READ",   0x001200a9 },
3011                 { "CHANGE", 0x001301bf },
3012                 { "FULL",   0x001f01ff },
3013                 { NULL, 0 },
3014         };
3015
3016
3017         ZERO_STRUCTP(ace);
3018         p = strchr_m(str,':');
3019         if (!p) return False;
3020         *p = '\0';
3021         p++;
3022         /* Try to parse numeric form */
3023
3024         if (sscanf(p, "%i/%i/%i", &atype, &aflags, &amask) == 3 &&
3025             convert_string_to_sid(ipc_cli, pol, numeric, &sid, str)) {
3026                 goto done;
3027         }
3028
3029         /* Try to parse text form */
3030
3031         if (!convert_string_to_sid(ipc_cli, pol, numeric, &sid, str)) {
3032                 return False;
3033         }
3034
3035         cp = p;
3036         if (!next_token(&cp, tok, "/", sizeof(fstring))) {
3037                 return False;
3038         }
3039
3040         if (StrnCaseCmp(tok, "ALLOWED", strlen("ALLOWED")) == 0) {
3041                 atype = SEC_ACE_TYPE_ACCESS_ALLOWED;
3042         } else if (StrnCaseCmp(tok, "DENIED", strlen("DENIED")) == 0) {
3043                 atype = SEC_ACE_TYPE_ACCESS_DENIED;
3044         } else {
3045                 return False;
3046         }
3047
3048         /* Only numeric form accepted for flags at present */
3049
3050         if (!(next_token(&cp, tok, "/", sizeof(fstring)) &&
3051               sscanf(tok, "%i", &aflags))) {
3052                 return False;
3053         }
3054
3055         if (!next_token(&cp, tok, "/", sizeof(fstring))) {
3056                 return False;
3057         }
3058
3059         if (strncmp(tok, "0x", 2) == 0) {
3060                 if (sscanf(tok, "%i", &amask) != 1) {
3061                         return False;
3062                 }
3063                 goto done;
3064         }
3065
3066         for (v = standard_values; v->perm; v++) {
3067                 if (strcmp(tok, v->perm) == 0) {
3068                         amask = v->mask;
3069                         goto done;
3070                 }
3071         }
3072
3073         p = tok;
3074
3075         while(*p) {
3076                 BOOL found = False;
3077
3078                 for (v = special_values; v->perm; v++) {
3079                         if (v->perm[0] == *p) {
3080                                 amask |= v->mask;
3081                                 found = True;
3082                         }
3083                 }
3084
3085                 if (!found) return False;
3086                 p++;
3087         }
3088
3089         if (*p) {
3090                 return False;
3091         }
3092
3093  done:
3094         mask.mask = amask;
3095         init_sec_ace(ace, &sid, atype, mask, aflags);
3096         return True;
3097 }
3098
3099 /* add an ACE to a list of ACEs in a SEC_ACL */
3100 static BOOL add_ace(SEC_ACL **the_acl, SEC_ACE *ace, TALLOC_CTX *ctx)
3101 {
3102         SEC_ACL *new;
3103         SEC_ACE *aces;
3104         if (! *the_acl) {
3105                 (*the_acl) = make_sec_acl(ctx, 3, 1, ace);
3106                 return True;
3107         }
3108
3109         aces = SMB_CALLOC_ARRAY(SEC_ACE, 1+(*the_acl)->num_aces);
3110         memcpy(aces, (*the_acl)->ace, (*the_acl)->num_aces * sizeof(SEC_ACE));
3111         memcpy(aces+(*the_acl)->num_aces, ace, sizeof(SEC_ACE));
3112         new = make_sec_acl(ctx,(*the_acl)->revision,1+(*the_acl)->num_aces, aces);
3113         SAFE_FREE(aces);
3114         (*the_acl) = new;
3115         return True;
3116 }
3117
3118
3119 /* parse a ascii version of a security descriptor */
3120 static SEC_DESC *sec_desc_parse(TALLOC_CTX *ctx,
3121                                 struct cli_state *ipc_cli,
3122                                 POLICY_HND *pol,
3123                                 BOOL numeric,
3124                                 char *str)
3125 {
3126         const char *p = str;
3127         fstring tok;
3128         SEC_DESC *ret;
3129         size_t sd_size;
3130         DOM_SID *grp_sid=NULL, *owner_sid=NULL;
3131         SEC_ACL *dacl=NULL;
3132         int revision=1;
3133
3134         while (next_token(&p, tok, "\t,\r\n", sizeof(tok))) {
3135
3136                 if (StrnCaseCmp(tok,"REVISION:", 9) == 0) {
3137                         revision = strtol(tok+9, NULL, 16);
3138                         continue;
3139                 }
3140
3141                 if (StrnCaseCmp(tok,"OWNER:", 6) == 0) {
3142                         owner_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
3143                         if (!owner_sid ||
3144                             !convert_string_to_sid(ipc_cli, pol,
3145                                                    numeric,
3146                                                    owner_sid, tok+6)) {
3147                                 DEBUG(5, ("Failed to parse owner sid\n"));
3148                                 return NULL;
3149                         }
3150                         continue;
3151                 }
3152
3153                 if (StrnCaseCmp(tok,"OWNER+:", 7) == 0) {
3154                         owner_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
3155                         if (!owner_sid ||
3156                             !convert_string_to_sid(ipc_cli, pol,
3157                                                    False,
3158                                                    owner_sid, tok+7)) {
3159                                 DEBUG(5, ("Failed to parse owner sid\n"));
3160                                 return NULL;
3161                         }
3162                         continue;
3163                 }
3164
3165                 if (StrnCaseCmp(tok,"GROUP:", 6) == 0) {
3166                         grp_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
3167                         if (!grp_sid ||
3168                             !convert_string_to_sid(ipc_cli, pol,
3169                                                    numeric,
3170                                                    grp_sid, tok+6)) {
3171                                 DEBUG(5, ("Failed to parse group sid\n"));
3172                                 return NULL;
3173                         }
3174                         continue;
3175                 }
3176
3177                 if (StrnCaseCmp(tok,"GROUP+:", 7) == 0) {
3178                         grp_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
3179                         if (!grp_sid ||
3180                             !convert_string_to_sid(ipc_cli, pol,
3181                                                    False,
3182                                                    grp_sid, tok+6)) {
3183                                 DEBUG(5, ("Failed to parse group sid\n"));
3184                                 return NULL;
3185                         }
3186                         continue;
3187                 }
3188
3189                 if (StrnCaseCmp(tok,"ACL:", 4) == 0) {
3190                         SEC_ACE ace;
3191                         if (!parse_ace(ipc_cli, pol, &ace, numeric, tok+4)) {
3192                                 DEBUG(5, ("Failed to parse ACL %s\n", tok));
3193                                 return NULL;
3194                         }
3195                         if(!add_ace(&dacl, &ace, ctx)) {
3196                                 DEBUG(5, ("Failed to add ACL %s\n", tok));
3197                                 return NULL;
3198                         }
3199                         continue;
3200                 }
3201
3202                 if (StrnCaseCmp(tok,"ACL+:", 5) == 0) {
3203                         SEC_ACE ace;
3204                         if (!parse_ace(ipc_cli, pol, &ace, False, tok+5)) {
3205                                 DEBUG(5, ("Failed to parse ACL %s\n", tok));
3206                                 return NULL;
3207                         }
3208                         if(!add_ace(&dacl, &ace, ctx)) {
3209                                 DEBUG(5, ("Failed to add ACL %s\n", tok));
3210                                 return NULL;
3211                         }
3212                         continue;
3213                 }
3214
3215                 DEBUG(5, ("Failed to parse security descriptor\n"));
3216                 return NULL;
3217         }
3218
3219         ret = make_sec_desc(ctx, revision, SEC_DESC_SELF_RELATIVE,
3220                             owner_sid, grp_sid, NULL, dacl, &sd_size);
3221
3222         SAFE_FREE(grp_sid);
3223         SAFE_FREE(owner_sid);
3224
3225         return ret;
3226 }
3227
3228
3229 /* Obtain the current dos attributes */
3230 static DOS_ATTR_DESC *dos_attr_query(SMBCCTX *context,
3231                                      TALLOC_CTX *ctx,
3232                                      const char *filename,
3233                                      SMBCSRV *srv)
3234 {
3235         time_t m_time = 0, a_time = 0, c_time = 0;
3236         size_t size = 0;
3237         uint16 mode = 0;
3238         SMB_INO_T inode = 0;
3239         DOS_ATTR_DESC *ret;
3240
3241         ret = talloc(ctx, sizeof(DOS_ATTR_DESC));
3242         if (!ret) {
3243                 errno = ENOMEM;
3244                 return NULL;
3245         }
3246
3247         /* Obtain the DOS attributes */
3248         if (!smbc_getatr(context, srv, filename, &mode, &size,
3249                          &c_time, &a_time, &m_time, &inode)) {
3250
3251                 errno = smbc_errno(context, &srv->cli);
3252                 DEBUG(5, ("dos_attr_query Failed to query old attributes\n"));
3253                 return NULL;
3254
3255         }
3256
3257         ret->mode = mode;
3258         ret->size = size;
3259         ret->a_time = a_time;
3260         ret->c_time = c_time;
3261         ret->m_time = m_time;
3262         ret->inode = inode;
3263
3264         return ret;
3265 }
3266
3267
3268 /* parse a ascii version of a security descriptor */
3269 static void dos_attr_parse(SMBCCTX *context,
3270                            DOS_ATTR_DESC *dad,
3271                            SMBCSRV *srv,
3272                            char *str)
3273 {
3274         const char *p = str;
3275         fstring tok;
3276
3277         while (next_token(&p, tok, "\t,\r\n", sizeof(tok))) {
3278
3279                 if (StrnCaseCmp(tok, "MODE:", 5) == 0) {
3280                         dad->mode = strtol(tok+5, NULL, 16);
3281                         continue;
3282                 }
3283
3284                 if (StrnCaseCmp(tok, "SIZE:", 5) == 0) {
3285                         dad->size = strtoll(tok+5, NULL, 10);
3286                         continue;
3287                 }
3288
3289                 if (StrnCaseCmp(tok, "A_TIME:", 7) == 0) {
3290                         dad->a_time = strtoll(tok+7, NULL, 10);
3291                         continue;
3292                 }
3293
3294                 if (StrnCaseCmp(tok, "C_TIME:", 7) == 0) {
3295                         dad->c_time = strtoll(tok+7, NULL, 10);
3296                         continue;
3297                 }
3298
3299                 if (StrnCaseCmp(tok, "M_TIME:", 7) == 0) {
3300                         dad->m_time = strtoll(tok+7, NULL, 10);
3301                         continue;
3302                 }
3303
3304                 if (StrnCaseCmp(tok, "INODE:", 6) == 0) {
3305                         dad->inode = strtoll(tok+6, NULL, 10);
3306                         continue;
3307                 }
3308         }
3309 }
3310
3311
3312 /*****************************************************
3313 retrieve the acls for a file
3314 *******************************************************/
3315 static int cacl_get(SMBCCTX *context, TALLOC_CTX *ctx, SMBCSRV *srv,
3316                     struct cli_state *ipc_cli, POLICY_HND *pol,
3317                     char *filename, char *name, char *buf, int bufsize)
3318 {
3319         uint32 i;
3320         int n = 0;
3321         int n_used;
3322         BOOL all;
3323         BOOL all_nt;
3324         BOOL all_dos;
3325         BOOL some_nt;
3326         BOOL some_dos;
3327         BOOL numeric = True;
3328         BOOL determine_size = (bufsize == 0);
3329         int fnum = -1;
3330         SEC_DESC *sd;
3331         fstring sidstr;
3332         char *p;
3333         time_t m_time = 0, a_time = 0, c_time = 0;
3334         size_t size = 0;
3335         uint16 mode = 0;
3336         SMB_INO_T ino = 0;
3337         struct cli_state *cli = &srv->cli;
3338
3339         all = (StrnCaseCmp(name, "system.*", 8) == 0);
3340         all_nt = (StrnCaseCmp(name, "system.nt_sec_desc.*", 20) == 0);
3341         all_dos = (StrnCaseCmp(name, "system.dos_attr.*", 17) == 0);
3342         some_nt = (StrnCaseCmp(name, "system.nt_sec_desc.", 19) == 0);
3343         some_dos = (StrnCaseCmp(name, "system.dos_attr.", 16) == 0);
3344         numeric = (* (name + strlen(name) - 1) != '+');
3345
3346         n_used = 0;
3347
3348         /*
3349          * If we are (possibly) talking to an NT or new system and some NT
3350          * attributes have been requested...
3351          */
3352         if (ipc_cli && (all || some_nt)) {
3353                 /* Point to the portion after "system.nt_sec_desc." */
3354                 name += 19;     /* if (all) this will be invalid but unused */
3355
3356                 /* ... then obtain any NT attributes which were requested */
3357                 fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
3358
3359                 if (fnum == -1) {
3360                         DEBUG(5, ("cacl_get failed to open %s: %s\n",
3361                                   filename, cli_errstr(cli)));
3362                         errno = 0;
3363                         return -1;
3364                 }
3365
3366                 sd = cli_query_secdesc(cli, fnum, ctx);
3367
3368                 if (!sd) {
3369                         DEBUG(5,
3370                               ("cacl_get Failed to query old descriptor\n"));
3371                         errno = 0;
3372                         return -1;
3373                 }
3374
3375                 cli_close(cli, fnum);
3376
3377                 if (all || all_nt) {
3378                         if (determine_size) {
3379                                 p = talloc_asprintf(ctx,
3380                                                     "REVISION:%d",
3381                                                     sd->revision);
3382                                 if (!p) {
3383                                         errno = ENOMEM;
3384                                         return -1;
3385                                 }
3386                                 n = strlen(p);
3387                         } else {
3388                                 n = snprintf(buf, bufsize,
3389                                              "REVISION:%d", sd->revision);
3390                         }
3391                 } else if (StrCaseCmp(name, "revision") == 0) {
3392                         if (determine_size) {
3393                                 p = talloc_asprintf(ctx, "%d", sd->revision);
3394                                 if (!p) {
3395                                         errno = ENOMEM;
3396                                         return -1;
3397                                 }
3398                                 n = strlen(p);
3399                         } else {
3400                                 n = snprintf(buf, bufsize, "%d", sd->revision);
3401                         }
3402                 }
3403
3404                 if (!determine_size && n > bufsize) {
3405                         errno = ERANGE;
3406                         return -1;
3407                 }
3408                 buf += n;
3409                 n_used += n;
3410                 bufsize -= n;
3411
3412                 /* Get owner and group sid */
3413
3414                 if (sd->owner_sid) {
3415                         convert_sid_to_string(ipc_cli, pol,
3416                                               sidstr, numeric, sd->owner_sid);
3417                 } else {
3418                         fstrcpy(sidstr, "");
3419                 }
3420
3421                 if (all || all_nt) {
3422                         if (determine_size) {
3423                                 p = talloc_asprintf(ctx, ",OWNER:%s", sidstr);
3424                                 if (!p) {
3425                                         errno = ENOMEM;
3426                                         return -1;
3427                                 }
3428                                 n = strlen(p);
3429                         } else {
3430                                 n = snprintf(buf, bufsize,
3431                                              ",OWNER:%s", sidstr);
3432                         }
3433                 } else if (StrnCaseCmp(name, "owner", 5) == 0) {
3434                         if (determine_size) {
3435                                 p = talloc_asprintf(ctx, "%s", sidstr);
3436                                 if (!p) {
3437                                         errno = ENOMEM;
3438                                         return -1;
3439                                 }
3440                                 n = strlen(p);
3441                         } else {
3442                                 n = snprintf(buf, bufsize, "%s", sidstr);
3443                         }
3444                 }
3445
3446                 if (!determine_size && n > bufsize) {
3447                         errno = ERANGE;
3448                         return -1;
3449                 }
3450                 buf += n;
3451                 n_used += n;
3452                 bufsize -= n;
3453
3454                 if (sd->grp_sid) {
3455                         convert_sid_to_string(ipc_cli, pol,
3456                                               sidstr, numeric, sd->grp_sid);
3457                 } else {
3458                         fstrcpy(sidstr, "");
3459                 }
3460
3461                 if (all || all_nt) {
3462                         if (determine_size) {
3463                                 p = talloc_asprintf(ctx, ",GROUP:%s", sidstr);
3464                                 if (!p) {
3465                                         errno = ENOMEM;
3466                                         return -1;
3467                                 }
3468                                 n = strlen(p);
3469                         } else {
3470                                 n = snprintf(buf, bufsize,
3471                                              ",GROUP:%s", sidstr);
3472                         }
3473                 } else if (StrnCaseCmp(name, "group", 5) == 0) {
3474                         if (determine_size) {
3475                                 p = talloc_asprintf(ctx, "%s", sidstr);
3476                                 if (!p) {
3477                                         errno = ENOMEM;
3478                                         return -1;
3479                                 }
3480                                 n = strlen(p);
3481                         } else {
3482                                 n = snprintf(buf, bufsize, "%s", sidstr);
3483                         }
3484                 }
3485
3486                 if (!determine_size && n > bufsize) {
3487                         errno = ERANGE;
3488                         return -1;
3489                 }
3490                 buf += n;
3491                 n_used += n;
3492                 bufsize -= n;
3493
3494                 /* Add aces to value buffer  */
3495                 for (i = 0; sd->dacl && i < sd->dacl->num_aces; i++) {
3496
3497                         SEC_ACE *ace = &sd->dacl->ace[i];
3498                         convert_sid_to_string(ipc_cli, pol,
3499                                               sidstr, numeric, &ace->trustee);
3500
3501                         if (all || all_nt) {
3502                                 if (determine_size) {
3503                                         p = talloc_asprintf(ctx,
3504                                                             ",ACL:"
3505                                                             "%s:%d/%d/0x%08x",
3506                                                             sidstr,
3507                                                             ace->type,
3508                                                             ace->flags,
3509                                                             ace->info.mask);
3510                                         if (!p) {
3511                                                 errno = ENOMEM;
3512                                                 return -1;
3513                                         }
3514                                         n = strlen(p);
3515                                 } else {
3516                                         n = snprintf(buf, bufsize,
3517                                                      ",ACL:%s:%d/%d/0x%08x",
3518                                                      sidstr,
3519                                                      ace->type,
3520                                                      ace->flags,
3521                                                      ace->info.mask);
3522                                 }
3523                         } else if ((StrnCaseCmp(name, "acl", 3) == 0 &&
3524                                     StrCaseCmp(name + 3, sidstr) == 0) ||
3525                                    (StrnCaseCmp(name, "acl+", 4) == 0 &&
3526                                     StrCaseCmp(name + 4, sidstr) == 0)) {
3527                                 if (determine_size) {
3528                                         p = talloc_asprintf(ctx,
3529                                                             "%d/%d/0x%08x",
3530                                                             ace->type,
3531                                                             ace->flags,
3532                                                             ace->info.mask);
3533                                         if (!p) {
3534                                                 errno = ENOMEM;
3535                                                 return -1;
3536                                         }
3537                                         n = strlen(p);
3538                                 } else {
3539                                         n = snprintf(buf, bufsize,
3540                                                      "%d/%d/0x%08x",
3541                                                      ace->type,
3542                                                      ace->flags,
3543                                                      ace->info.mask);
3544                                 }
3545                         }
3546                         if (n > bufsize) {
3547                                 errno = ERANGE;
3548                                 return -1;
3549                         }
3550                         buf += n;
3551                         n_used += n;
3552                         bufsize -= n;
3553                 }
3554
3555                 /* Restore name pointer to its original value */
3556                 name -= 19;
3557         }
3558
3559         if (all || some_dos) {
3560                 /* Point to the portion after "system.dos_attr." */
3561                 name += 16;     /* if (all) this will be invalid but unused */
3562
3563                 /* Obtain the DOS attributes */
3564                 if (!smbc_getatr(context, srv, filename, &mode, &size,
3565                                  &c_time, &a_time, &m_time, &ino)) {
3566
3567                         errno = smbc_errno(context, &srv->cli);
3568                         return -1;
3569
3570                 }
3571
3572                 if (all || all_dos) {
3573                         if (determine_size) {
3574                                 p = talloc_asprintf(ctx,
3575                                                     "%sMODE:0x%x",
3576                                                     (ipc_cli &&
3577                                                      (all || some_nt)
3578                                                      ? ","
3579                                                      : ""),
3580                                                     mode);
3581                                 if (!p) {
3582                                         errno = ENOMEM;
3583                                         return -1;
3584                                 }
3585                                 n = strlen(p);
3586                         } else {
3587                                 n = snprintf(buf, bufsize,
3588                                              "%sMODE:0x%x",
3589                                              (ipc_cli &&
3590                                               (all || some_nt)
3591                                               ? ","
3592                                               : ""),
3593                                              mode);
3594                         }
3595                 } else if (StrCaseCmp(name, "mode") == 0) {
3596                         if (determine_size) {
3597                                 p = talloc_asprintf(ctx, "0x%x", mode);
3598                                 if (!p) {
3599                                         errno = ENOMEM;
3600                                         return -1;
3601                                 }
3602                                 n = strlen(p);
3603                         } else {
3604                                 n = snprintf(buf, bufsize, "0x%x", mode);
3605                         }
3606                 }
3607
3608                 if (!determine_size && n > bufsize) {
3609                         errno = ERANGE;
3610                         return -1;
3611                 }
3612                 buf += n;
3613                 n_used += n;
3614                 bufsize -= n;
3615
3616                 if (all || all_dos) {
3617                         if (determine_size) {
3618                                 p = talloc_asprintf(ctx,
3619                                                     ",SIZE:%llu",
3620                                                     (unsigned long long) size);
3621                                 if (!p) {
3622                                         errno = ENOMEM;
3623                                         return -1;
3624                                 }
3625                                 n = strlen(p);
3626                         } else {
3627                                 n = snprintf(buf, bufsize,
3628                                              ",SIZE:%llu",
3629                                              (unsigned long long) size);
3630                         }
3631                 } else if (StrCaseCmp(name, "size") == 0) {
3632                         if (determine_size) {
3633                                 p = talloc_asprintf(ctx,
3634                                                     "%llu",
3635                                                     (unsigned long long) size);
3636                                 if (!p) {
3637                                         errno = ENOMEM;
3638                                         return -1;
3639                                 }
3640                                 n = strlen(p);
3641                         } else {
3642                                 n = snprintf(buf, bufsize,
3643                                              "%llu",
3644                                              (unsigned long long) size);
3645                         }
3646                 }
3647
3648                 if (!determine_size && n > bufsize) {
3649                         errno = ERANGE;
3650                         return -1;
3651                 }
3652                 buf += n;
3653                 n_used += n;
3654                 bufsize -= n;
3655
3656                 if (all || all_dos) {
3657                         if (determine_size) {
3658                                 p = talloc_asprintf(ctx,
3659                                                     ",C_TIME:%lu", c_time);
3660                                 if (!p) {
3661                                         errno = ENOMEM;
3662                                         return -1;
3663                                 }
3664                                 n = strlen(p);
3665                         } else {
3666                                 n = snprintf(buf, bufsize,
3667                                              ",C_TIME:%lu", c_time);
3668                         }
3669                 } else if (StrCaseCmp(name, "c_time") == 0) {
3670                         if (determine_size) {
3671                                 p = talloc_asprintf(ctx, "%lu", c_time);
3672                                 if (!p) {
3673                                         errno = ENOMEM;
3674                                         return -1;
3675                                 }
3676                                 n = strlen(p);
3677                         } else {
3678                                 n = snprintf(buf, bufsize, "%lu", c_time);
3679                         }
3680                 }
3681
3682                 if (!determine_size && n > bufsize) {
3683                         errno = ERANGE;
3684                         return -1;
3685                 }
3686                 buf += n;
3687                 n_used += n;
3688                 bufsize -= n;
3689
3690                 if (all || all_dos) {
3691                         if (determine_size) {
3692                                 p = talloc_asprintf(ctx,
3693                                                     ",A_TIME:%lu", a_time);
3694                                 if (!p) {
3695                                         errno = ENOMEM;
3696                                         return -1;
3697                                 }
3698                                 n = strlen(p);
3699                         } else {
3700                                 n = snprintf(buf, bufsize,
3701                                              ",A_TIME:%lu", a_time);
3702                         }
3703                 } else if (StrCaseCmp(name, "a_time") == 0) {
3704                         if (determine_size) {
3705                                 p = talloc_asprintf(ctx, "%lu", a_time);
3706                                 if (!p) {
3707                                         errno = ENOMEM;
3708                                         return -1;
3709                                 }
3710                                 n = strlen(p);
3711                         } else {
3712                                 n = snprintf(buf, bufsize, "%lu", a_time);
3713                         }
3714                 }
3715
3716                 if (!determine_size && n > bufsize) {
3717                         errno = ERANGE;
3718                         return -1;
3719                 }
3720                 buf += n;
3721                 n_used += n;
3722                 bufsize -= n;
3723
3724                 if (all || all_dos) {
3725                         if (determine_size) {
3726                                 p = talloc_asprintf(ctx,
3727                                                     ",M_TIME:%lu", m_time);
3728                                 if (!p) {
3729                                         errno = ENOMEM;
3730                                         return -1;
3731                                 }
3732                                 n = strlen(p);
3733                         } else {
3734                                 n = snprintf(buf, bufsize,
3735                                              ",M_TIME:%lu", m_time);
3736                         }
3737                 } else if (StrCaseCmp(name, "m_time") == 0) {
3738                         if (determine_size) {
3739                                 p = talloc_asprintf(ctx, "%lu", m_time);
3740                                 if (!p) {
3741                                         errno = ENOMEM;
3742                                         return -1;
3743                                 }
3744                                 n = strlen(p);
3745                         } else {
3746                                 n = snprintf(buf, bufsize, "%lu", m_time);
3747                         }
3748                 }
3749
3750                 if (!determine_size && n > bufsize) {
3751                         errno = ERANGE;
3752                         return -1;
3753                 }
3754                 buf += n;
3755                 n_used += n;
3756                 bufsize -= n;
3757
3758                 if (all || all_dos) {
3759                         if (determine_size) {
3760                                 p = talloc_asprintf(ctx,
3761                                                     ",INODE:%llu",
3762                                                     (unsigned long long) ino);
3763                                 if (!p) {
3764                                         errno = ENOMEM;
3765                                         return -1;
3766                                 }
3767                                 n = strlen(p);
3768                         } else {
3769                                 n = snprintf(buf, bufsize,
3770                                              ",INODE:%llu",
3771                                              (unsigned long long) ino);
3772                         }
3773                 } else if (StrCaseCmp(name, "inode") == 0) {
3774                         if (determine_size) {
3775                                 p = talloc_asprintf(ctx,
3776                                                     "%llu",
3777                                                     (unsigned long long) ino);
3778                                 if (!p) {
3779                                         errno = ENOMEM;
3780                                         return -1;
3781                                 }
3782                                 n = strlen(p);
3783                         } else {
3784                                 n = snprintf(buf, bufsize,
3785                                              "%llu",
3786                                              (unsigned long long) ino);
3787                         }
3788                 }
3789
3790                 if (!determine_size && n > bufsize) {
3791                         errno = ERANGE;
3792                         return -1;
3793                 }
3794                 buf += n;
3795                 n_used += n;
3796                 bufsize -= n;
3797
3798                 /* Restore name pointer to its original value */
3799                 name -= 16;
3800         }
3801
3802         if (n_used == 0) {
3803                 errno = ENOATTR;
3804                 return -1;
3805         }
3806
3807         return n_used;
3808 }
3809
3810
3811 /*****************************************************
3812 set the ACLs on a file given an ascii description
3813 *******************************************************/
3814 static int cacl_set(TALLOC_CTX *ctx, struct cli_state *cli,
3815                     struct cli_state *ipc_cli, POLICY_HND *pol,
3816                     const char *filename, const char *the_acl,
3817                     int mode, int flags)
3818 {
3819         int fnum;
3820         int err = 0;
3821         SEC_DESC *sd = NULL, *old;
3822         SEC_ACL *dacl = NULL;
3823         DOM_SID *owner_sid = NULL;
3824         DOM_SID *grp_sid = NULL;
3825         uint32 i, j;
3826         size_t sd_size;
3827         int ret = 0;
3828         char *p;
3829         BOOL numeric = True;
3830
3831         /* the_acl will be null for REMOVE_ALL operations */
3832         if (the_acl) {
3833                 numeric = ((p = strchr(the_acl, ':')) != NULL &&
3834                            p > the_acl &&
3835                            p[-1] != '+');
3836
3837                 /* if this is to set the entire ACL... */
3838                 if (*the_acl == '*') {
3839                         /* ... then increment past the first colon */
3840                         the_acl = p + 1;
3841                 }
3842
3843                 sd = sec_desc_parse(ctx, ipc_cli, pol, numeric, the_acl);
3844
3845                 if (!sd) {
3846                         errno = EINVAL;
3847                         return -1;
3848                 }
3849         }
3850
3851         /* The desired access below is the only one I could find that works
3852            with NT4, W2KP and Samba */
3853
3854         fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
3855
3856         if (fnum == -1) {
3857                 DEBUG(5, ("cacl_set failed to open %s: %s\n",
3858                           filename, cli_errstr(cli)));
3859                 errno = 0;
3860                 return -1;
3861         }
3862
3863         old = cli_query_secdesc(cli, fnum, ctx);
3864
3865         if (!old) {
3866                 DEBUG(5, ("cacl_set Failed to query old descriptor\n"));
3867                 errno = 0;
3868                 return -1;
3869         }
3870
3871         cli_close(cli, fnum);
3872
3873         switch (mode) {
3874         case SMBC_XATTR_MODE_REMOVE_ALL:
3875                 old->dacl->num_aces = 0;
3876                 SAFE_FREE(old->dacl->ace);
3877                 SAFE_FREE(old->dacl);
3878                 old->off_dacl = 0;
3879                 dacl = old->dacl;
3880                 break;
3881
3882         case SMBC_XATTR_MODE_REMOVE:
3883                 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
3884                         BOOL found = False;
3885
3886                         for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
3887                                 if (sec_ace_equal(&sd->dacl->ace[i],
3888                                                   &old->dacl->ace[j])) {
3889                                         uint32 k;
3890                                         for (k=j; k<old->dacl->num_aces-1;k++) {
3891                                                 old->dacl->ace[k] = old->dacl->ace[k+1];
3892                                         }
3893                                         old->dacl->num_aces--;
3894                                         if (old->dacl->num_aces == 0) {
3895                                                 SAFE_FREE(old->dacl->ace);
3896                                                 SAFE_FREE(old->dacl);
3897                                                 old->off_dacl = 0;
3898                                         }
3899                                         found = True;
3900                                         dacl = old->dacl;
3901                                         break;
3902                                 }
3903                         }
3904
3905                         if (!found) {
3906                                 err = ENOATTR;
3907                                 ret = -1;
3908                                 goto failed;
3909                         }
3910                 }
3911                 break;
3912
3913         case SMBC_XATTR_MODE_ADD:
3914                 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
3915                         BOOL found = False;
3916
3917                         for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
3918                                 if (sid_equal(&sd->dacl->ace[i].trustee,
3919                                               &old->dacl->ace[j].trustee)) {
3920                                         if (!(flags & SMBC_XATTR_FLAG_CREATE)) {
3921                                                 err = EEXIST;
3922                                                 ret = -1;
3923                                                 goto failed;
3924                                         }
3925                                         old->dacl->ace[j] = sd->dacl->ace[i];
3926                                         ret = -1;
3927                                         found = True;
3928                                 }
3929                         }
3930
3931                         if (!found && (flags & SMBC_XATTR_FLAG_REPLACE)) {
3932                                 err = ENOATTR;
3933                                 ret = -1;
3934                                 goto failed;
3935                         }
3936
3937                         for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
3938                                 add_ace(&old->dacl, &sd->dacl->ace[i], ctx);
3939                         }
3940                 }
3941                 dacl = old->dacl;
3942                 break;
3943
3944         case SMBC_XATTR_MODE_SET:
3945                 old = sd;
3946                 owner_sid = old->owner_sid;
3947                 grp_sid = old->grp_sid;
3948                 dacl = old->dacl;
3949                 break;
3950
3951         case SMBC_XATTR_MODE_CHOWN:
3952                 owner_sid = sd->owner_sid;
3953                 break;
3954
3955         case SMBC_XATTR_MODE_CHGRP:
3956                 grp_sid = sd->grp_sid;
3957                 break;
3958         }
3959
3960         /* Denied ACE entries must come before allowed ones */
3961         sort_acl(old->dacl);
3962
3963         /* Create new security descriptor and set it */
3964         sd = make_sec_desc(ctx, old->revision, SEC_DESC_SELF_RELATIVE,
3965                            owner_sid, grp_sid, NULL, dacl, &sd_size);
3966
3967         fnum = cli_nt_create(cli, filename,
3968                              WRITE_DAC_ACCESS | WRITE_OWNER_ACCESS);
3969
3970         if (fnum == -1) {
3971                 DEBUG(5, ("cacl_set failed to open %s: %s\n",
3972                           filename, cli_errstr(cli)));
3973                 errno = 0;
3974                 return -1;
3975         }
3976
3977         if (!cli_set_secdesc(cli, fnum, sd)) {
3978                 DEBUG(5, ("ERROR: secdesc set failed: %s\n", cli_errstr(cli)));
3979                 ret = -1;
3980         }
3981
3982         /* Clean up */
3983
3984  failed:
3985         cli_close(cli, fnum);
3986
3987         if (err != 0) {
3988                 errno = err;
3989         }
3990
3991         return ret;
3992 }
3993
3994
3995 int smbc_setxattr_ctx(SMBCCTX *context,
3996                       const char *fname,
3997                       const char *name,
3998                       const void *value,
3999                       size_t size,
4000                       int flags)
4001 {
4002         int ret;
4003         int ret2;
4004         SMBCSRV *srv;
4005         SMBCSRV *ipc_srv;
4006         fstring server, share, user, password, workgroup;
4007         pstring path;
4008         TALLOC_CTX *ctx;
4009         POLICY_HND pol;
4010         DOS_ATTR_DESC *dad;
4011
4012         if (!context || !context->internal ||
4013             !context->internal->_initialized) {
4014
4015                 errno = EINVAL;  /* Best I can think of ... */
4016                 return -1;
4017
4018         }
4019
4020         if (!fname) {
4021
4022                 errno = EINVAL;
4023                 return -1;
4024
4025         }
4026
4027         DEBUG(4, ("smbc_setxattr(%s, %s, %.*s)\n", fname, name, (int) size, (const char*)value));
4028
4029         if (smbc_parse_path(context, fname,
4030                             server, sizeof(server),
4031                             share, sizeof(share),
4032                             path, sizeof(path),
4033                             user, sizeof(user),
4034                             password, sizeof(password),
4035                             NULL, 0)) {
4036                 errno = EINVAL;
4037                 return -1;
4038         }
4039
4040         if (user[0] == (char)0) fstrcpy(user, context->user);
4041
4042         fstrcpy(workgroup, context->workgroup);
4043
4044         srv = smbc_server(context, server, share, workgroup, user, password);
4045         if (!srv) {
4046                 return -1;  /* errno set by smbc_server */
4047         }
4048
4049         if (! srv->no_nt_session) {
4050                 ipc_srv = smbc_attr_server(context, server, share,
4051                                            workgroup, user, password,
4052                                            &pol);
4053                 srv->no_nt_session = True;
4054         } else {
4055                 ipc_srv = NULL;
4056         }
4057
4058         ctx = talloc_init("smbc_setxattr");
4059         if (!ctx) {
4060                 errno = ENOMEM;
4061                 return -1;
4062         }
4063
4064         /*
4065          * Are they asking to set the entire set of known attributes?
4066          */
4067         if (StrCaseCmp(name, "system.*") == 0 ||
4068             StrCaseCmp(name, "system.*+") == 0) {
4069                 /* Yup. */
4070                 char *namevalue =
4071                         talloc_asprintf(ctx, "%s:%s", name+7, (const char *) value);
4072                 if (! namevalue) {
4073                         errno = ENOMEM;
4074                         ret = -1;
4075                         return -1;
4076                 }
4077
4078                 if (ipc_srv) {
4079                         ret = cacl_set(ctx, &srv->cli,
4080                                        &ipc_srv->cli, &pol, path,
4081                                        namevalue,
4082                                        (*namevalue == '*'
4083                                         ? SMBC_XATTR_MODE_SET
4084                                         : SMBC_XATTR_MODE_ADD),
4085                                        flags);
4086                 } else {
4087                         ret = 0;
4088                 }
4089
4090                 /* get a DOS Attribute Descriptor with current attributes */
4091                 dad = dos_attr_query(context, ctx, path, srv);
4092                 if (dad) {
4093                         /* Overwrite old with new, using what was provided */
4094                         dos_attr_parse(context, dad, srv, namevalue);
4095
4096                         /* Set the new DOS attributes */
4097 #if 0                           /* not yet implemented */
4098                         if (! cli_setpathinfo(&srv->cli, path,
4099                                               dad->c_time,
4100                                               dad->a_time,
4101                                               dad->m_time,
4102                                               dad->mode)) {
4103                                 if (!cli_setatr(&srv->cli, path,
4104                                                 dad->mode, dad->m_time)) {
4105                                         errno = smbc_errno(context, &srv->cli);
4106                                 }
4107                         }
4108 #else
4109                         if (!cli_setatr(&srv->cli, path,
4110                                         dad->mode, dad->m_time)) {
4111                                 errno = smbc_errno(context, &srv->cli);
4112                         }
4113 #endif
4114                 }
4115
4116                 /* we only fail if both NT and DOS sets failed */
4117                 if (ret < 0 && ! dad) {
4118                         ret = -1; /* in case dad was null */
4119                 }
4120                 else {
4121                         ret = 0;
4122                 }
4123
4124                 talloc_destroy(ctx);
4125                 return ret;
4126         }
4127
4128         /*
4129          * Are they asking to set an access control element or to set
4130          * the entire access control list?
4131          */
4132         if (StrCaseCmp(name, "system.nt_sec_desc.*") == 0 ||
4133             StrCaseCmp(name, "system.nt_sec_desc.*+") == 0 ||
4134             StrCaseCmp(name, "system.nt_sec_desc.revision") == 0 ||
4135             StrnCaseCmp(name, "system.nt_sec_desc.acl", 22) == 0 ||
4136             StrnCaseCmp(name, "system.nt_sec_desc.acl+", 23) == 0) {
4137
4138                 /* Yup. */
4139                 char *namevalue =
4140                         talloc_asprintf(ctx, "%s:%s", name+19, (const char *) value);
4141
4142                 if (! ipc_srv) {
4143                         ret = -1; /* errno set by smbc_server() */
4144                 }
4145                 else if (! namevalue) {
4146                         errno = ENOMEM;
4147                         ret = -1;
4148                 } else {
4149                         ret = cacl_set(ctx, &srv->cli,
4150                                        &ipc_srv->cli, &pol, path,
4151                                        namevalue,
4152                                        (*namevalue == '*'
4153                                         ? SMBC_XATTR_MODE_SET
4154                                         : SMBC_XATTR_MODE_ADD),
4155                                        flags);
4156                 }
4157                 talloc_destroy(ctx);
4158                 return ret;
4159         }
4160
4161         /*
4162          * Are they asking to set the owner?
4163          */
4164         if (StrCaseCmp(name, "system.nt_sec_desc.owner") == 0 ||
4165             StrCaseCmp(name, "system.nt_sec_desc.owner+") == 0) {
4166
4167                 /* Yup. */
4168                 char *namevalue =
4169                         talloc_asprintf(ctx, "%s:%s", name+19, (const char *) value);
4170
4171                 if (! ipc_srv) {
4172
4173                         ret = -1; /* errno set by smbc_server() */
4174                 }
4175                 else if (! namevalue) {
4176                         errno = ENOMEM;
4177                         ret = -1;
4178                 } else {
4179                         ret = cacl_set(ctx, &srv->cli,
4180                                        &ipc_srv->cli, &pol, path,
4181                                        namevalue, SMBC_XATTR_MODE_CHOWN, 0);
4182                 }
4183                 talloc_destroy(ctx);
4184                 return ret;
4185         }
4186
4187         /*
4188          * Are they asking to set the group?
4189          */
4190         if (StrCaseCmp(name, "system.nt_sec_desc.group") == 0 ||
4191             StrCaseCmp(name, "system.nt_sec_desc.group+") == 0) {
4192
4193                 /* Yup. */
4194                 char *namevalue =
4195                         talloc_asprintf(ctx, "%s:%s", name+19, (const char *) value);
4196
4197                 if (! ipc_srv) {
4198                         /* errno set by smbc_server() */
4199                         ret = -1;
4200                 }
4201                 else if (! namevalue) {
4202                         errno = ENOMEM;
4203                         ret = -1;
4204                 } else {
4205                         ret = cacl_set(ctx, &srv->cli,
4206                                        &ipc_srv->cli, &pol, path,
4207                                        namevalue, SMBC_XATTR_MODE_CHOWN, 0);
4208                 }
4209                 talloc_destroy(ctx);
4210                 return ret;
4211         }
4212
4213         /*
4214          * Are they asking to set a DOS attribute?
4215          */
4216         if (StrCaseCmp(name, "system.dos_attr.*") == 0 ||
4217             StrCaseCmp(name, "system.dos_attr.mode") == 0 ||
4218             StrCaseCmp(name, "system.dos_attr.c_time") == 0 ||
4219             StrCaseCmp(name, "system.dos_attr.a_time") == 0 ||
4220             StrCaseCmp(name, "system.dos_attr.m_time") == 0) {
4221
4222                 /* get a DOS Attribute Descriptor with current attributes */
4223                 dad = dos_attr_query(context, ctx, path, srv);
4224                 if (dad) {
4225                         char *namevalue =
4226                                 talloc_asprintf(ctx, "%s:%s", name+16, (const char *) value);
4227                         if (! namevalue) {
4228                                 errno = ENOMEM;
4229                                 ret = -1;
4230                         } else {
4231                                 /* Overwrite old with provided new params */
4232                                 dos_attr_parse(context, dad, srv, namevalue);
4233
4234                                 /* Set the new DOS attributes */
4235 #if 0                           /* not yet implemented */
4236                                 ret2 = cli_setpathinfo(&srv->cli, path,
4237                                                        dad->c_time,
4238                                                        dad->a_time,
4239                                                        dad->m_time,
4240                                                        dad->mode);
4241                                 if (! ret2) {
4242                                         ret2 = cli_setatr(&srv->cli, path,
4243                                                           dad->mode,
4244                                                           dad->m_time);
4245                                         if (! ret2) {
4246                                                 errno = smbc_errno(context,
4247                                                                    &srv->cli);
4248                                         }
4249                                 }
4250 #else
4251                                 ret2 = cli_setatr(&srv->cli, path,
4252                                                   dad->mode, dad->m_time);
4253                                 if (! ret2) {
4254                                         errno = smbc_errno(context, &srv->cli);
4255                                 }
4256 #endif
4257
4258                                 /* ret2 has True (success) / False (failure) */
4259                                 if (ret2) {
4260                                         ret = 0;
4261                                 } else {
4262                                         ret = -1;
4263                                 }
4264                         }
4265                 } else {
4266                         ret = -1;
4267                 }
4268
4269                 talloc_destroy(ctx);
4270                 return ret;
4271         }
4272
4273         /* Unsupported attribute name */
4274         talloc_destroy(ctx);
4275         errno = EINVAL;
4276         return -1;
4277 }
4278
4279 int smbc_getxattr_ctx(SMBCCTX *context,
4280                       const char *fname,
4281                       const char *name,
4282                       const void *value,
4283                       size_t size)
4284 {
4285         int ret;
4286         SMBCSRV *srv;
4287         SMBCSRV *ipc_srv;
4288         fstring server, share, user, password, workgroup;
4289         pstring path;
4290         TALLOC_CTX *ctx;
4291         POLICY_HND pol;
4292
4293
4294         if (!context || !context->internal ||
4295             !context->internal->_initialized) {
4296
4297                 errno = EINVAL;  /* Best I can think of ... */
4298                 return -1;
4299
4300         }
4301
4302         if (!fname) {
4303
4304                 errno = EINVAL;
4305                 return -1;
4306
4307         }
4308
4309         DEBUG(4, ("smbc_getxattr(%s, %s)\n", fname, name));
4310
4311         if (smbc_parse_path(context, fname,
4312                             server, sizeof(server),
4313                             share, sizeof(share),
4314                             path, sizeof(path),
4315                             user, sizeof(user),
4316                             password, sizeof(password),
4317                             NULL, 0)) {
4318                 errno = EINVAL;
4319                 return -1;
4320         }
4321
4322         if (user[0] == (char)0) fstrcpy(user, context->user);
4323
4324         fstrcpy(workgroup, context->workgroup);
4325
4326         srv = smbc_server(context, server, share, workgroup, user, password);
4327         if (!srv) {
4328                 return -1;  /* errno set by smbc_server */
4329         }
4330
4331         if (! srv->no_nt_session) {
4332                 ipc_srv = smbc_attr_server(context, server, share,
4333                                            workgroup, user, password,
4334                                            &pol);
4335                 if (! ipc_srv) {
4336                         srv->no_nt_session = True;
4337                 }
4338         } else {
4339                 ipc_srv = NULL;
4340         }
4341
4342         ctx = talloc_init("smbc:getxattr");
4343         if (!ctx) {
4344                 errno = ENOMEM;
4345                 return -1;
4346         }
4347
4348         /* Are they requesting a supported attribute? */
4349         if (StrCaseCmp(name, "system.*") == 0 ||
4350             StrCaseCmp(name, "system.*+") == 0 ||
4351             StrCaseCmp(name, "system.nt_sec_desc.*") == 0 ||
4352             StrCaseCmp(name, "system.nt_sec_desc.*+") == 0 ||
4353             StrCaseCmp(name, "system.nt_sec_desc.revision") == 0 ||
4354             StrCaseCmp(name, "system.nt_sec_desc.owner") == 0 ||
4355             StrCaseCmp(name, "system.nt_sec_desc.owner+") == 0 ||
4356             StrCaseCmp(name, "system.nt_sec_desc.group") == 0 ||
4357             StrCaseCmp(name, "system.nt_sec_desc.group+") == 0 ||
4358             StrnCaseCmp(name, "system.nt_sec_desc.acl", 22) == 0 ||
4359             StrnCaseCmp(name, "system.nt_sec_desc.acl+", 23) == 0 ||
4360             StrCaseCmp(name, "system.dos_attr.*") == 0 ||
4361             StrCaseCmp(name, "system.dos_attr.mode") == 0 ||
4362             StrCaseCmp(name, "system.dos_attr.size") == 0 ||
4363             StrCaseCmp(name, "system.dos_attr.c_time") == 0 ||
4364             StrCaseCmp(name, "system.dos_attr.a_time") == 0 ||
4365             StrCaseCmp(name, "system.dos_attr.m_time") == 0 ||
4366             StrCaseCmp(name, "system.dos_attr.inode") == 0) {
4367
4368                 /* Yup. */
4369                 ret = cacl_get(context, ctx, srv,
4370                                ipc_srv == NULL ? NULL : &ipc_srv->cli,
4371                                &pol, path, name, (const char *) value, size);
4372                 if (ret < 0 && errno == 0) {
4373                         errno = smbc_errno(context, &srv->cli);
4374                 }
4375                 talloc_destroy(ctx);
4376                 return ret;
4377         }
4378
4379         /* Unsupported attribute name */
4380         talloc_destroy(ctx);
4381         errno = EINVAL;
4382         return -1;
4383 }
4384
4385
4386 int smbc_removexattr_ctx(SMBCCTX *context,
4387                       const char *fname,
4388                       const char *name)
4389 {
4390         int ret;
4391         SMBCSRV *srv;
4392         SMBCSRV *ipc_srv;
4393         fstring server, share, user, password, workgroup;
4394         pstring path;
4395         TALLOC_CTX *ctx;
4396         POLICY_HND pol;
4397
4398         if (!context || !context->internal ||
4399             !context->internal->_initialized) {
4400
4401                 errno = EINVAL;  /* Best I can think of ... */
4402                 return -1;
4403
4404         }
4405
4406         if (!fname) {
4407
4408                 errno = EINVAL;
4409                 return -1;
4410
4411         }
4412
4413         DEBUG(4, ("smbc_removexattr(%s, %s)\n", fname, name));
4414
4415         if (smbc_parse_path(context, fname,
4416                             server, sizeof(server),
4417                             share, sizeof(share),
4418                             path, sizeof(path),
4419                             user, sizeof(user),
4420                             password, sizeof(password),
4421                             NULL, 0)) {
4422                 errno = EINVAL;
4423                 return -1;
4424         }
4425
4426         if (user[0] == (char)0) fstrcpy(user, context->user);
4427
4428         fstrcpy(workgroup, context->workgroup);
4429
4430         srv = smbc_server(context, server, share, workgroup, user, password);
4431         if (!srv) {
4432                 return -1;  /* errno set by smbc_server */
4433         }
4434
4435         if (! srv->no_nt_session) {
4436                 ipc_srv = smbc_attr_server(context, server, share,
4437                                            workgroup, user, password,
4438                                            &pol);
4439                 srv->no_nt_session = True;
4440         } else {
4441                 ipc_srv = NULL;
4442         }
4443
4444         if (! ipc_srv) {
4445                 return -1; /* errno set by smbc_attr_server */
4446         }
4447
4448         ctx = talloc_init("smbc_removexattr");
4449         if (!ctx) {
4450                 errno = ENOMEM;
4451                 return -1;
4452         }
4453
4454         /* Are they asking to set the entire ACL? */
4455         if (StrCaseCmp(name, "system.nt_sec_desc.*") == 0 ||
4456             StrCaseCmp(name, "system.nt_sec_desc.*+") == 0) {
4457
4458                 /* Yup. */
4459                 ret = cacl_set(ctx, &srv->cli,
4460                                &ipc_srv->cli, &pol, path,
4461                                NULL, SMBC_XATTR_MODE_REMOVE_ALL, 0);
4462                 talloc_destroy(ctx);
4463                 return ret;
4464         }
4465
4466         /*
4467          * Are they asking to remove one or more spceific security descriptor
4468          * attributes?
4469          */
4470         if (StrCaseCmp(name, "system.nt_sec_desc.revision") == 0 ||
4471             StrCaseCmp(name, "system.nt_sec_desc.owner") == 0 ||
4472             StrCaseCmp(name, "system.nt_sec_desc.owner+") == 0 ||
4473             StrCaseCmp(name, "system.nt_sec_desc.group") == 0 ||
4474             StrCaseCmp(name, "system.nt_sec_desc.group+") == 0 ||
4475             StrnCaseCmp(name, "system.nt_sec_desc.acl", 22) == 0 ||
4476             StrnCaseCmp(name, "system.nt_sec_desc.acl+", 23) == 0) {
4477
4478                 /* Yup. */
4479                 ret = cacl_set(ctx, &srv->cli,
4480                                &ipc_srv->cli, &pol, path,
4481                                name + 19, SMBC_XATTR_MODE_REMOVE, 0);
4482                 talloc_destroy(ctx);
4483                 return ret;
4484         }
4485
4486         /* Unsupported attribute name */
4487         talloc_destroy(ctx);
4488         errno = EINVAL;
4489         return -1;
4490 }
4491
4492 int smbc_listxattr_ctx(SMBCCTX *context,
4493                        const char *fname,
4494                        char *list,
4495                        size_t size)
4496 {
4497         /*
4498          * This isn't quite what listxattr() is supposed to do.  This returns
4499          * the complete set of attribute names, always, rather than only those
4500          * attribute names which actually exist for a file.  Hmmm...
4501          */
4502         const char supported[] =
4503                 "system.*\0"
4504                 "system.*+\0"
4505                 "system.nt_sec_desc.revision\0"
4506                 "system.nt_sec_desc.owner\0"
4507                 "system.nt_sec_desc.owner+\0"
4508                 "system.nt_sec_desc.group\0"
4509                 "system.nt_sec_desc.group+\0"
4510                 "system.nt_sec_desc.acl\0"
4511                 "system.nt_sec_desc.acl+\0"
4512                 "system.nt_sec_desc.*\0"
4513                 "system.nt_sec_desc.*+\0"
4514                 "system.dos_attr.*\0"
4515                 "system.dos_attr.mode\0"
4516                 "system.dos_attr.c_time\0"
4517                 "system.dos_attr.a_time\0"
4518                 "system.dos_attr.m_time\0"
4519                 ;
4520
4521         if (size == 0) {
4522                 return sizeof(supported);
4523         }
4524
4525         if (sizeof(supported) > size) {
4526                 errno = ERANGE;
4527                 return -1;
4528         }
4529
4530         /* this can't be strcpy() because there are embedded null characters */
4531         memcpy(list, supported, sizeof(supported));
4532         return sizeof(supported);
4533 }
4534
4535
4536 /*
4537  * Open a print file to be written to by other calls
4538  */
4539
4540 static SMBCFILE *smbc_open_print_job_ctx(SMBCCTX *context, const char *fname)
4541 {
4542         fstring server, share, user, password;
4543         pstring path;
4544
4545         if (!context || !context->internal ||
4546             !context->internal->_initialized) {
4547
4548                 errno = EINVAL;
4549                 return NULL;
4550
4551         }
4552
4553         if (!fname) {
4554
4555                 errno = EINVAL;
4556                 return NULL;
4557
4558         }
4559
4560         DEBUG(4, ("smbc_open_print_job_ctx(%s)\n", fname));
4561
4562         if (smbc_parse_path(context, fname,
4563                             server, sizeof(server),
4564                             share, sizeof(share),
4565                             path, sizeof(path),
4566                             user, sizeof(user),
4567                             password, sizeof(password),
4568                             NULL, 0)) {
4569                 errno = EINVAL;
4570                 return NULL;
4571         }
4572
4573         /* What if the path is empty, or the file exists? */
4574
4575         return context->open(context, fname, O_WRONLY, 666);
4576
4577 }
4578
4579 /*
4580  * Routine to print a file on a remote server ...
4581  *
4582  * We open the file, which we assume to be on a remote server, and then
4583  * copy it to a print file on the share specified by printq.
4584  */
4585
4586 static int smbc_print_file_ctx(SMBCCTX *c_file, const char *fname, SMBCCTX *c_print, const char *printq)
4587 {
4588         SMBCFILE *fid1, *fid2;
4589         int bytes, saverr, tot_bytes = 0;
4590         char buf[4096];
4591
4592         if (!c_file || !c_file->internal->_initialized || !c_print ||
4593             !c_print->internal->_initialized) {
4594
4595                 errno = EINVAL;
4596                 return -1;
4597
4598         }
4599
4600         if (!fname && !printq) {
4601
4602                 errno = EINVAL;
4603                 return -1;
4604
4605         }
4606
4607         /* Try to open the file for reading ... */
4608
4609         if ((int)(fid1 = c_file->open(c_file, fname, O_RDONLY, 0666)) < 0) {
4610
4611                 DEBUG(3, ("Error, fname=%s, errno=%i\n", fname, errno));
4612                 return -1;  /* smbc_open sets errno */
4613
4614         }
4615
4616         /* Now, try to open the printer file for writing */
4617
4618         if ((int)(fid2 = c_print->open_print_job(c_print, printq)) < 0) {
4619
4620                 saverr = errno;  /* Save errno */
4621                 c_file->close(c_file, fid1);
4622                 errno = saverr;
4623                 return -1;
4624
4625         }
4626
4627         while ((bytes = c_file->read(c_file, fid1, buf, sizeof(buf))) > 0) {
4628
4629                 tot_bytes += bytes;
4630
4631                 if ((c_print->write(c_print, fid2, buf, bytes)) < 0) {
4632
4633                         saverr = errno;
4634                         c_file->close(c_file, fid1);
4635                         c_print->close(c_print, fid2);
4636                         errno = saverr;
4637
4638                 }
4639
4640         }
4641
4642         saverr = errno;
4643
4644         c_file->close(c_file, fid1);  /* We have to close these anyway */
4645         c_print->close(c_print, fid2);
4646
4647         if (bytes < 0) {
4648
4649                 errno = saverr;
4650                 return -1;
4651
4652         }
4653
4654         return tot_bytes;
4655
4656 }
4657
4658 /*
4659  * Routine to list print jobs on a printer share ...
4660  */
4661
4662 static int smbc_list_print_jobs_ctx(SMBCCTX *context, const char *fname, smbc_list_print_job_fn fn)
4663 {
4664         SMBCSRV *srv;
4665         fstring server, share, user, password, workgroup;
4666         pstring path;
4667
4668         if (!context || !context->internal ||
4669             !context->internal->_initialized) {
4670
4671                 errno = EINVAL;
4672                 return -1;
4673
4674         }
4675
4676         if (!fname) {
4677
4678                 errno = EINVAL;
4679                 return -1;
4680
4681         }
4682
4683         DEBUG(4, ("smbc_list_print_jobs(%s)\n", fname));
4684
4685         if (smbc_parse_path(context, fname,
4686                             server, sizeof(server),
4687                             share, sizeof(share),
4688                             path, sizeof(path),
4689                             user, sizeof(user),
4690                             password, sizeof(password),
4691                             NULL, 0)) {
4692                 errno = EINVAL;
4693                 return -1;
4694         }
4695
4696         if (user[0] == (char)0) fstrcpy(user, context->user);
4697
4698         fstrcpy(workgroup, context->workgroup);
4699
4700         srv = smbc_server(context, server, share, workgroup, user, password);
4701
4702         if (!srv) {
4703
4704                 return -1;  /* errno set by smbc_server */
4705
4706         }
4707
4708         if (cli_print_queue(&srv->cli, (void (*)(struct print_job_info *))fn) < 0) {
4709
4710                 errno = smbc_errno(context, &srv->cli);
4711                 return -1;
4712
4713         }
4714
4715         return 0;
4716
4717 }
4718
4719 /*
4720  * Delete a print job from a remote printer share
4721  */
4722
4723 static int smbc_unlink_print_job_ctx(SMBCCTX *context, const char *fname, int id)
4724 {
4725         SMBCSRV *srv;
4726         fstring server, share, user, password, workgroup;
4727         pstring path;
4728         int err;
4729
4730         if (!context || !context->internal ||
4731             !context->internal->_initialized) {
4732
4733                 errno = EINVAL;
4734                 return -1;
4735
4736         }
4737
4738         if (!fname) {
4739
4740                 errno = EINVAL;
4741                 return -1;
4742
4743         }
4744
4745         DEBUG(4, ("smbc_unlink_print_job(%s)\n", fname));
4746
4747         if (smbc_parse_path(context, fname,
4748                             server, sizeof(server),
4749                             share, sizeof(share),
4750                             path, sizeof(path),
4751                             user, sizeof(user),
4752                             password, sizeof(password),
4753                             NULL, 0)) {
4754                 errno = EINVAL;
4755                 return -1;
4756         }
4757
4758         if (user[0] == (char)0) fstrcpy(user, context->user);
4759
4760         fstrcpy(workgroup, context->workgroup);
4761
4762         srv = smbc_server(context, server, share, workgroup, user, password);
4763
4764         if (!srv) {
4765
4766                 return -1;  /* errno set by smbc_server */
4767
4768         }
4769
4770         if ((err = cli_printjob_del(&srv->cli, id)) != 0) {
4771
4772                 if (err < 0)
4773                         errno = smbc_errno(context, &srv->cli);
4774                 else if (err == ERRnosuchprintjob)
4775                         errno = EINVAL;
4776                 return -1;
4777
4778         }
4779
4780         return 0;
4781
4782 }
4783
4784 /*
4785  * Get a new empty handle to fill in with your own info
4786  */
4787 SMBCCTX * smbc_new_context(void)
4788 {
4789         SMBCCTX * context;
4790
4791         context = SMB_MALLOC_P(SMBCCTX);
4792         if (!context) {
4793                 errno = ENOMEM;
4794                 return NULL;
4795         }
4796
4797         ZERO_STRUCTP(context);
4798
4799         context->internal = SMB_MALLOC_P(struct smbc_internal_data);
4800         if (!context->internal) {
4801                 errno = ENOMEM;
4802                 return NULL;
4803         }
4804
4805         ZERO_STRUCTP(context->internal);
4806
4807
4808         /* ADD REASONABLE DEFAULTS */
4809         context->debug            = 0;
4810         context->timeout          = 20000; /* 20 seconds */
4811
4812         context->options.browse_max_lmb_count      = 3;    /* # LMBs to query */
4813         context->options.urlencode_readdir_entries = False;/* backward compat */
4814         context->options.one_share_per_server      = False;/* backward compat */
4815
4816         context->open                              = smbc_open_ctx;
4817         context->creat                             = smbc_creat_ctx;
4818         context->read                              = smbc_read_ctx;
4819         context->write                             = smbc_write_ctx;
4820         context->close                             = smbc_close_ctx;
4821         context->unlink                            = smbc_unlink_ctx;
4822         context->rename                            = smbc_rename_ctx;
4823         context->lseek                             = smbc_lseek_ctx;
4824         context->stat                              = smbc_stat_ctx;
4825         context->fstat                             = smbc_fstat_ctx;
4826         context->opendir                           = smbc_opendir_ctx;
4827         context->closedir                          = smbc_closedir_ctx;
4828         context->readdir                           = smbc_readdir_ctx;
4829         context->getdents                          = smbc_getdents_ctx;
4830         context->mkdir                             = smbc_mkdir_ctx;
4831         context->rmdir                             = smbc_rmdir_ctx;
4832         context->telldir                           = smbc_telldir_ctx;
4833         context->lseekdir                          = smbc_lseekdir_ctx;
4834         context->fstatdir                          = smbc_fstatdir_ctx;
4835         context->chmod                             = smbc_chmod_ctx;
4836         context->utimes                            = smbc_utimes_ctx;
4837         context->setxattr                          = smbc_setxattr_ctx;
4838         context->getxattr                          = smbc_getxattr_ctx;
4839         context->removexattr                       = smbc_removexattr_ctx;
4840         context->listxattr                         = smbc_listxattr_ctx;
4841         context->open_print_job                    = smbc_open_print_job_ctx;
4842         context->print_file                        = smbc_print_file_ctx;
4843         context->list_print_jobs                   = smbc_list_print_jobs_ctx;
4844         context->unlink_print_job                  = smbc_unlink_print_job_ctx;
4845
4846         context->callbacks.check_server_fn         = smbc_check_server;
4847         context->callbacks.remove_unused_server_fn = smbc_remove_unused_server;
4848
4849         smbc_default_cache_functions(context);
4850
4851         return context;
4852 }
4853
4854 /*
4855  * Free a context
4856  *
4857  * Returns 0 on success. Otherwise returns 1, the SMBCCTX is _not_ freed
4858  * and thus you'll be leaking memory if not handled properly.
4859  *
4860  */
4861 int smbc_free_context(SMBCCTX * context, int shutdown_ctx)
4862 {
4863         if (!context) {
4864                 errno = EBADF;
4865                 return 1;
4866         }
4867
4868         if (shutdown_ctx) {
4869                 SMBCFILE * f;
4870                 DEBUG(1,("Performing aggressive shutdown.\n"));
4871
4872                 f = context->internal->_files;
4873                 while (f) {
4874                         context->close(context, f);
4875                         f = f->next;
4876                 }
4877                 context->internal->_files = NULL;
4878
4879                 /* First try to remove the servers the nice way. */
4880                 if (context->callbacks.purge_cached_fn(context)) {
4881                         SMBCSRV * s;
4882                         SMBCSRV * next;
4883                         DEBUG(1, ("Could not purge all servers, Nice way shutdown failed.\n"));
4884                         s = context->internal->_servers;
4885                         while (s) {
4886                                 DEBUG(1, ("Forced shutdown: %p (fd=%d)\n", s, s->cli.fd));
4887                                 cli_shutdown(&s->cli);
4888                                 context->callbacks.remove_cached_srv_fn(context, s);
4889                                 next = s->next;
4890                                 DLIST_REMOVE(context->internal->_servers, s);
4891                                 SAFE_FREE(s);
4892                                 s = next;
4893                         }
4894                         context->internal->_servers = NULL;
4895                 }
4896         }
4897         else {
4898                 /* This is the polite way */
4899                 if (context->callbacks.purge_cached_fn(context)) {
4900                         DEBUG(1, ("Could not purge all servers, free_context failed.\n"));
4901                         errno = EBUSY;
4902                         return 1;
4903                 }
4904                 if (context->internal->_servers) {
4905                         DEBUG(1, ("Active servers in context, free_context failed.\n"));
4906                         errno = EBUSY;
4907                         return 1;
4908                 }
4909                 if (context->internal->_files) {
4910                         DEBUG(1, ("Active files in context, free_context failed.\n"));
4911                         errno = EBUSY;
4912                         return 1;
4913                 }
4914         }
4915
4916         /* Things we have to clean up */
4917         SAFE_FREE(context->workgroup);
4918         SAFE_FREE(context->netbios_name);
4919         SAFE_FREE(context->user);
4920
4921         DEBUG(3, ("Context %p succesfully freed\n", context));
4922         SAFE_FREE(context->internal);
4923         SAFE_FREE(context);
4924         return 0;
4925 }
4926
4927
4928 /*
4929  * Initialise the library etc
4930  *
4931  * We accept a struct containing handle information.
4932  * valid values for info->debug from 0 to 100,
4933  * and insist that info->fn must be non-null.
4934  */
4935 SMBCCTX * smbc_init_context(SMBCCTX * context)
4936 {
4937         pstring conf;
4938         int pid;
4939         char *user = NULL, *home = NULL;
4940
4941         if (!context || !context->internal) {
4942                 errno = EBADF;
4943                 return NULL;
4944         }
4945
4946         /* Do not initialise the same client twice */
4947         if (context->internal->_initialized) {
4948                 return 0;
4949         }
4950
4951         if (!context->callbacks.auth_fn || context->debug < 0 || context->debug > 100) {
4952
4953                 errno = EINVAL;
4954                 return NULL;
4955
4956         }
4957
4958         if (!smbc_initialized) {
4959                 /* Do some library wide intialisations the first time we get called */
4960
4961                 /* Set this to what the user wants */
4962                 DEBUGLEVEL = context->debug;
4963
4964                 setup_logging( "libsmbclient", True);
4965
4966                 /* Here we would open the smb.conf file if needed ... */
4967
4968                 home = getenv("HOME");
4969
4970                 slprintf(conf, sizeof(conf), "%s/.smb/smb.conf", home);
4971
4972                 load_interfaces();  /* Load the list of interfaces ... */
4973
4974                 in_client = True; /* FIXME, make a param */
4975
4976                 if (!lp_load(conf, True, False, False)) {
4977
4978                         /*
4979                          * Well, if that failed, try the dyn_CONFIGFILE
4980                          * Which points to the standard locn, and if that
4981                          * fails, silently ignore it and use the internal
4982                          * defaults ...
4983                          */
4984
4985                    if (!lp_load(dyn_CONFIGFILE, True, False, False)) {
4986                       DEBUG(5, ("Could not load either config file: %s or %s\n",
4987                              conf, dyn_CONFIGFILE));
4988                    }
4989                 }
4990
4991                 reopen_logs();  /* Get logging working ... */
4992
4993                 /*
4994                  * Block SIGPIPE (from lib/util_sock.c: write())
4995                  * It is not needed and should not stop execution
4996                  */
4997                 BlockSignals(True, SIGPIPE);
4998
4999                 /* Done with one-time initialisation */
5000                 smbc_initialized = 1;
5001
5002         }
5003
5004         if (!context->user) {
5005                 /*
5006                  * FIXME: Is this the best way to get the user info?
5007                  */
5008                 user = getenv("USER");
5009                 /* walk around as "guest" if no username can be found */
5010                 if (!user) context->user = SMB_STRDUP("guest");
5011                 else context->user = SMB_STRDUP(user);
5012         }
5013
5014         if (!context->netbios_name) {
5015                 /*
5016                  * We try to get our netbios name from the config. If that fails we fall
5017                  * back on constructing our netbios name from our hostname etc
5018                  */
5019                 if (global_myname()) {
5020                         context->netbios_name = SMB_STRDUP(global_myname());
5021                 }
5022                 else {
5023                         /*
5024                          * Hmmm, I want to get hostname as well, but I am too lazy for the moment
5025                          */
5026                         pid = sys_getpid();
5027                         context->netbios_name = SMB_MALLOC(17);
5028                         if (!context->netbios_name) {
5029                                 errno = ENOMEM;
5030                                 return NULL;
5031                         }
5032                         slprintf(context->netbios_name, 16, "smbc%s%d", context->user, pid);
5033                 }
5034         }
5035
5036         DEBUG(1, ("Using netbios name %s.\n", context->netbios_name));
5037
5038         if (!context->workgroup) {
5039                 if (lp_workgroup()) {
5040                         context->workgroup = SMB_STRDUP(lp_workgroup());
5041                 }
5042                 else {
5043                         /* TODO: Think about a decent default workgroup */
5044                         context->workgroup = SMB_STRDUP("samba");
5045                 }
5046         }
5047
5048         DEBUG(1, ("Using workgroup %s.\n", context->workgroup));
5049
5050         /* shortest timeout is 1 second */
5051         if (context->timeout > 0 && context->timeout < 1000)
5052                 context->timeout = 1000;
5053
5054         /*
5055          * FIXME: Should we check the function pointers here?
5056          */
5057
5058         context->internal->_initialized = 1;
5059
5060         return context;
5061 }
5062
5063
5064 /* Return the verion of samba, and thus libsmbclient */
5065 const char *
5066 smbc_version(void)
5067 {
5068         return samba_version_string();
5069 }