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         int mode;
  35         SMB_OFF_T size;
  36         time_t create_time;
  37         time_t access_time;
  38         time_t write_time;
  39         time_t change_time;
  40         SMB_INO_T 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 /*
  84  * Find an lsa pipe handle associated with a cli struct.
  85  */
  86 static struct rpc_pipe_client *
  87 find_lsa_pipe_hnd(struct cli_state *ipc_cli)
  88 {
  89         struct rpc_pipe_client *pipe_hnd;
  90
  91         for (pipe_hnd = ipc_cli->pipe_list;
  92              pipe_hnd;
  93              pipe_hnd = pipe_hnd->next) {
  94
  95                 if (pipe_hnd->pipe_idx == PI_LSARPC) {
  96                         return pipe_hnd;
  97                 }
  98         }
  99
 100         return NULL;
 101 }
 102
 103 static int
 104 smbc_close_ctx(SMBCCTX *context,
 105                SMBCFILE *file);
 106 static off_t
 107 smbc_lseek_ctx(SMBCCTX *context,
 108                SMBCFILE *file,
 109                off_t offset,
 110                int whence);
 111
 112 extern BOOL in_client;
 113
 114 /*
 115  * Is the logging working / configfile read ?
 116  */
 117 static int smbc_initialized = 0;
 118
 119 static int
 120 hex2int( unsigned int _char )
 121 {
 122     if ( _char >= 'A' && _char <='F')
 123         return _char - 'A' + 10;
 124     if ( _char >= 'a' && _char <='f')
 125         return _char - 'a' + 10;
 126     if ( _char >= '0' && _char <='9')
 127         return _char - '0';
 128     return -1;
 129 }
 130
 131 /*
 132  * smbc_urldecode()
 133  *
 134  * Convert strings of %xx to their single character equivalent.  Each 'x' must
 135  * be a valid hexadecimal digit, or that % sequence is left undecoded.
 136  *
 137  * dest may, but need not be, the same pointer as src.
 138  *
 139  * Returns the number of % sequences which could not be converted due to lack
 140  * of two following hexadecimal digits.
 141  */
 142 int
 143 smbc_urldecode(char *dest, char * src, size_t max_dest_len)
 144 {
 145         int old_length = strlen(src);
 146         int i = 0;
 147         int err_count = 0;
 148         pstring temp;
 149         char * p;
 150
 151         if ( old_length == 0 ) {
 152                 return 0;
 153         }
 154
 155         p = temp;
 156         while ( i < old_length ) {
 157                 unsigned char character = src[ i++ ];
 158
 159                 if (character == '%') {
 160                         int a = i+1 < old_length ? hex2int( src[i] ) : -1;
 161                         int b = i+1 < old_length ? hex2int( src[i+1] ) : -1;
 162
 163                         /* Replace valid sequence */
 164                         if (a != -1 && b != -1) {
 165
 166                                 /* Replace valid %xx sequence with %dd */
 167                                 character = (a * 16) + b;
 168
 169                                 if (character == '\0') {
 170                                         break; /* Stop at %00 */
 171                                 }
 172
 173                                 i += 2;
 174                         } else {
 175
 176                                 err_count++;
 177                         }
 178                 }
 179
 180                 *p++ = character;
 181         }
 182
 183         *p = '\0';
 184
 185         strncpy(dest, temp, max_dest_len - 1);
 186         dest[max_dest_len - 1] = '\0';
 187
 188         return err_count;
 189 }
 190
 191 /*
 192  * smbc_urlencode()
 193  *
 194  * Convert any characters not specifically allowed in a URL into their %xx
 195  * equivalent.
 196  *
 197  * Returns the remaining buffer length.
 198  */
 199 int
 200 smbc_urlencode(char * dest, char * src, int max_dest_len)
 201 {
 202         char hex[] = "0123456789ABCDEF";
 203
 204         for (; *src != '\0' && max_dest_len >= 3; src++) {
 205
 206                 if ((*src < '0' &&
 207                      *src != '-' &&
 208                      *src != '.') ||
 209                     (*src > '9' &&
 210                      *src < 'A') ||
 211                     (*src > 'Z' &&
 212                      *src < 'a' &&
 213                      *src != '_') ||
 214                     (*src > 'z')) {
 215                         *dest++ = '%';
 216                         *dest++ = hex[(*src >> 4) & 0x0f];
 217                         *dest++ = hex[*src & 0x0f];
 218                         max_dest_len -= 3;
 219                 } else {
 220                         *dest++ = *src;
 221                         max_dest_len--;
 222                 }
 223         }
 224
 225         *dest++ = '\0';
 226         max_dest_len--;
 227
 228         return max_dest_len;
 229 }
 230
 231 /*
 232  * Function to parse a path and turn it into components
 233  *
 234  * The general format of an SMB URI is explain in Christopher Hertel's CIFS
 235  * book, at http://ubiqx.org/cifs/Appendix-D.html.  We accept a subset of the
 236  * general format ("smb:" only; we do not look for "cifs:").
 237  *
 238  *
 239  * We accept:
 240  *  smb://[[[domain;]user[:password]@]server[/share[/path[/file]]]][?options]
 241  *
 242  * Meaning of URLs:
 243  *
 244  * smb://           Show all workgroups.
 245  *
 246  *                  The method of locating the list of workgroups varies
 247  *                  depending upon the setting of the context variable
 248  *                  context->options.browse_max_lmb_count.  This value
 249  *                  determine the maximum number of local master browsers to
 250  *                  query for the list of workgroups.  In order to ensure that
 251  *                  a complete list of workgroups is obtained, all master
 252  *                  browsers must be queried, but if there are many
 253  *                  workgroups, the time spent querying can begin to add up.
 254  *                  For small networks (not many workgroups), it is suggested
 255  *                  that this variable be set to 0, indicating query all local
 256  *                  master browsers.  When the network has many workgroups, a
 257  *                  reasonable setting for this variable might be around 3.
 258  *
 259  * smb://name/      if name<1D> or name<1B> exists, list servers in
 260  *                  workgroup, else, if name<20> exists, list all shares
 261  *                  for server ...
 262  *
 263  * If "options" are provided, this function returns the entire option list as a
 264  * string, for later parsing by the caller.  Note that currently, no options
 265  * are supported.
 266  */
 267
 268 static const char *smbc_prefix = "smb:";
 269
 270 static int
 271 smbc_parse_path(SMBCCTX *context,
 272                 const char *fname,
 273                 char *workgroup, int workgroup_len,
 274                 char *server, int server_len,
 275                 char *share, int share_len,
 276                 char *path, int path_len,
 277                 char *user, int user_len,
 278                 char *password, int password_len,
 279                 char *options, int options_len)
 280 {
 281         static pstring s;
 282         pstring userinfo;
 283         const char *p;
 284         char *q, *r;
 285         int len;
 286
 287         server[0] = share[0] = path[0] = user[0] = password[0] = (char)0;
 288
 289         /*
 290          * Assume we wont find an authentication domain to parse, so default
 291          * to the workgroup in the provided context.
 292          */
 293         if (workgroup != NULL) {
 294                 strncpy(workgroup, context->workgroup, workgroup_len - 1);
 295                 workgroup[workgroup_len - 1] = '\0';
 296         }
 297
 298         if (options != NULL && options_len > 0) {
 299                 options[0] = (char)0;
 300         }
 301         pstrcpy(s, fname);
 302
 303         /* see if it has the right prefix */
 304         len = strlen(smbc_prefix);
 305         if (strncmp(s,smbc_prefix,len) || (s[len] != '/' && s[len] != 0)) {
 306                 return -1; /* What about no smb: ? */
 307         }
 308
 309         p = s + len;
 310
 311         /* Watch the test below, we are testing to see if we should exit */
 312
 313         if (strncmp(p, "//", 2) && strncmp(p, "\\\\", 2)) {
 314
 315                 DEBUG(1, ("Invalid path (does not begin with smb://"));
 316                 return -1;
 317
 318         }
 319
 320         p += 2;  /* Skip the double slash */
 321
 322         /* See if any options were specified */
 323         if ((q = strrchr(p, '?')) != NULL ) {
 324                 /* There are options.  Null terminate here and point to them */
 325                 *q++ = '\0';
 326
 327                 DEBUG(4, ("Found options '%s'", q));
 328
 329                 /* Copy the options */
 330                 if (options != NULL && options_len > 0) {
 331                         safe_strcpy(options, q, options_len - 1);
 332                 }
 333         }
 334
 335         if (*p == (char)0)
 336             goto decoding;
 337
 338         if (*p == '/') {
 339
 340                 strncpy(server, context->workgroup,
 341                         ((strlen(context->workgroup) < 16)
 342                          ? strlen(context->workgroup)
 343                          : 16));
 344                 server[server_len - 1] = '\0';
 345                 return 0;
 346
 347         }
 348
 349         /*
 350          * ok, its for us. Now parse out the server, share etc.
 351          *
 352          * However, we want to parse out [[domain;]user[:password]@] if it
 353          * exists ...
 354          */
 355
 356         /* check that '@' occurs before '/', if '/' exists at all */
 357         q = strchr_m(p, '@');
 358         r = strchr_m(p, '/');
 359         if (q && (!r || q < r)) {
 360                 pstring username, passwd, domain;
 361                 const char *u = userinfo;
 362
 363                 next_token_no_ltrim(&p, userinfo, "@", sizeof(fstring));
 364
 365                 username[0] = passwd[0] = domain[0] = 0;
 366
 367                 if (strchr_m(u, ';')) {
 368
 369                         next_token_no_ltrim(&u, domain, ";", sizeof(fstring));
 370
 371                 }
 372
 373                 if (strchr_m(u, ':')) {
 374
 375                         next_token_no_ltrim(&u, username, ":", sizeof(fstring));
 376
 377                         pstrcpy(passwd, u);
 378
 379                 }
 380                 else {
 381
 382                         pstrcpy(username, u);
 383
 384                 }
 385
 386                 if (domain[0] && workgroup) {
 387                         strncpy(workgroup, domain, workgroup_len - 1);
 388                         workgroup[workgroup_len - 1] = '\0';
 389                 }
 390
 391                 if (username[0]) {
 392                         strncpy(user, username, user_len - 1);
 393                         user[user_len - 1] = '\0';
 394                 }
 395
 396                 if (passwd[0]) {
 397                         strncpy(password, passwd, password_len - 1);
 398                         password[password_len - 1] = '\0';
 399                 }
 400
 401         }
 402
 403         if (!next_token(&p, server, "/", sizeof(fstring))) {
 404
 405                 return -1;
 406
 407         }
 408
 409         if (*p == (char)0) goto decoding;  /* That's it ... */
 410
 411         if (!next_token(&p, share, "/", sizeof(fstring))) {
 412
 413                 return -1;
 414
 415         }
 416
 417         /*
 418          * Prepend a leading slash if there's a file path, as required by
 419          * NetApp filers.
 420          */
 421         *path = '\0';
 422         if (*p != '\0') {
 423                 *path = '/';
 424                 safe_strcpy(path + 1, p, path_len - 2);
 425         }
 426
 427         all_string_sub(path, "/", "\\", 0);
 428
 429  decoding:
 430         (void) smbc_urldecode(path, path, path_len);
 431         (void) smbc_urldecode(server, server, server_len);
 432         (void) smbc_urldecode(share, share, share_len);
 433         (void) smbc_urldecode(user, user, user_len);
 434         (void) smbc_urldecode(password, password, password_len);
 435
 436         return 0;
 437 }
 438
 439 /*
 440  * Verify that the options specified in a URL are valid
 441  */
 442 static int
 443 smbc_check_options(char *server,
 444                    char *share,
 445                    char *path,
 446                    char *options)
 447 {
 448         DEBUG(4, ("smbc_check_options(): server='%s' share='%s' "
 449                   "path='%s' options='%s'\n",
 450                   server, share, path, options));
 451
 452         /* No options at all is always ok */
 453         if (! *options) return 0;
 454
 455         /* Currently, we don't support any options. */
 456         return -1;
 457 }
 458
 459 /*
 460  * Convert an SMB error into a UNIX error ...
 461  */
 462 static int
 463 smbc_errno(SMBCCTX *context,
 464            struct cli_state *c)
 465 {
 466         int ret = cli_errno(c);
 467
 468         if (cli_is_dos_error(c)) {
 469                 uint8 eclass;
 470                 uint32 ecode;
 471
 472                 cli_dos_error(c, &eclass, &ecode);
 473
 474                 DEBUG(3,("smbc_error %d %d (0x%x) -> %d\n",
 475                          (int)eclass, (int)ecode, (int)ecode, ret));
 476         } else {
 477                 NTSTATUS status;
 478
 479                 status = cli_nt_error(c);
 480
 481                 DEBUG(3,("smbc errno %s -> %d\n",
 482                          nt_errstr(status), ret));
 483         }
 484
 485         return ret;
 486 }
 487
 488 /*
 489  * Check a server for being alive and well.
 490  * returns 0 if the server is in shape. Returns 1 on error
 491  *
 492  * Also useable outside libsmbclient to enable external cache
 493  * to do some checks too.
 494  */
 495 static int
 496 smbc_check_server(SMBCCTX * context,
 497                   SMBCSRV * server)
 498 {
 499         if ( send_keepalive(server->cli->fd) == False )
 500                 return 1;
 501
 502         /* connection is ok */
 503         return 0;
 504 }
 505
 506 /*
 507  * Remove a server from the cached server list it's unused.
 508  * On success, 0 is returned. 1 is returned if the server could not be removed.
 509  *
 510  * Also useable outside libsmbclient
 511  */
 512 int
 513 smbc_remove_unused_server(SMBCCTX * context,
 514                           SMBCSRV * srv)
 515 {
 516         SMBCFILE * file;
 517
 518         /* are we being fooled ? */
 519         if (!context || !context->internal ||
 520             !context->internal->_initialized || !srv) return 1;
 521
 522
 523         /* Check all open files/directories for a relation with this server */
 524         for (file = context->internal->_files; file; file=file->next) {
 525                 if (file->srv == srv) {
 526                         /* Still used */
 527                         DEBUG(3, ("smbc_remove_usused_server: "
 528                                   "%p still used by %p.\n",
 529                                   srv, file));
 530                         return 1;
 531                 }
 532         }
 533
 534         DLIST_REMOVE(context->internal->_servers, srv);
 535
 536         cli_shutdown(srv->cli);
 537         srv->cli = NULL;
 538
 539         DEBUG(3, ("smbc_remove_usused_server: %p removed.\n", srv));
 540
 541         context->callbacks.remove_cached_srv_fn(context, srv);
 542
 543         SAFE_FREE(srv);
 544
 545         return 0;
 546 }
 547
 548 static SMBCSRV *
 549 find_server(SMBCCTX *context,
 550             const char *server,
 551             const char *share,
 552             fstring workgroup,
 553             fstring username,
 554             fstring password)
 555 {
 556         SMBCSRV *srv;
 557         int auth_called = 0;
 558
 559  check_server_cache:
 560
 561         srv = context->callbacks.get_cached_srv_fn(context, server, share,
 562                                                    workgroup, username);
 563
 564         if (!auth_called && !srv && (!username[0] || !password[0])) {
 565                 if (context->internal->_auth_fn_with_context != NULL) {
 566                          context->internal->_auth_fn_with_context(
 567                                 context,
 568                                 server, share,
 569                                 workgroup, sizeof(fstring),
 570                                 username, sizeof(fstring),
 571                                 password, sizeof(fstring));
 572                 } else {
 573                         context->callbacks.auth_fn(
 574                                 server, share,
 575                                 workgroup, sizeof(fstring),
 576                                 username, sizeof(fstring),
 577                                 password, sizeof(fstring));
 578                 }
 579
 580                 /*
 581                  * However, smbc_auth_fn may have picked up info relating to
 582                  * an existing connection, so try for an existing connection
 583                  * again ...
 584                  */
 585                 auth_called = 1;
 586                 goto check_server_cache;
 587
 588         }
 589
 590         if (srv) {
 591                 if (context->callbacks.check_server_fn(context, srv)) {
 592                         /*
 593                          * This server is no good anymore
 594                          * Try to remove it and check for more possible
 595                          * servers in the cache
 596                          */
 597                         if (context->callbacks.remove_unused_server_fn(context,
 598                                                                        srv)) {
 599                                 /*
 600                                  * We could not remove the server completely,
 601                                  * remove it from the cache so we will not get
 602                                  * it again. It will be removed when the last
 603                                  * file/dir is closed.
 604                                  */
 605                                 context->callbacks.remove_cached_srv_fn(context,
 606                                                                         srv);
 607                         }
 608
 609                         /*
 610                          * Maybe there are more cached connections to this
 611                          * server
 612                          */
 613                         goto check_server_cache;
 614                 }
 615
 616                 return srv;
 617         }
 618
 619         return NULL;
 620 }
 621
 622 /*
 623  * Connect to a server, possibly on an existing connection
 624  *
 625  * Here, what we want to do is: If the server and username
 626  * match an existing connection, reuse that, otherwise, establish a
 627  * new connection.
 628  *
 629  * If we have to create a new connection, call the auth_fn to get the
 630  * info we need, unless the username and password were passed in.
 631  */
 632
 633 static SMBCSRV *
 634 smbc_server(SMBCCTX *context,
 635             BOOL connect_if_not_found,
 636             const char *server,
 637             const char *share,
 638             fstring workgroup,
 639             fstring username,
 640             fstring password)
 641 {
 642         SMBCSRV *srv=NULL;
 643         struct cli_state *c;
 644         struct nmb_name called, calling;
 645         const char *server_n = server;
 646         pstring ipenv;
 647         struct in_addr ip;
 648         int tried_reverse = 0;
 649         int port_try_first;
 650         int port_try_next;
 651         const char *username_used;
 652
 653         zero_ip(&ip);
 654         ZERO_STRUCT(c);
 655
 656         if (server[0] == 0) {
 657                 errno = EPERM;
 658                 return NULL;
 659         }
 660
 661         /* Look for a cached connection */
 662         srv = find_server(context, server, share,
 663                           workgroup, username, password);
 664
 665         /*
 666          * If we found a connection and we're only allowed one share per
 667          * server...
 668          */
 669         if (srv && *share != '\0' && context->options.one_share_per_server) {
 670
 671                 /*
 672                  * ... then if there's no current connection to the share,
 673                  * connect to it.  find_server(), or rather the function
 674                  * pointed to by context->callbacks.get_cached_srv_fn which
 675                  * was called by find_server(), will have issued a tree
 676                  * disconnect if the requested share is not the same as the
 677                  * one that was already connected.
 678                  */
 679                 if (srv->cli->cnum == (uint16) -1) {
 680                         /* Ensure we have accurate auth info */
 681                         if (context->internal->_auth_fn_with_context != NULL) {
 682                                 context->internal->_auth_fn_with_context(
 683                                         context,
 684                                         server, share,
 685                                         workgroup, sizeof(fstring),
 686                                         username, sizeof(fstring),
 687                                         password, sizeof(fstring));
 688                         } else {
 689                                 context->callbacks.auth_fn(
 690                                         server, share,
 691                                         workgroup, sizeof(fstring),
 692                                         username, sizeof(fstring),
 693                                         password, sizeof(fstring));
 694                         }
 695
 696                         if (! cli_send_tconX(srv->cli, share, "?????",
 697                                              password, strlen(password)+1)) {
 698
 699                                 errno = smbc_errno(context, srv->cli);
 700                                 cli_shutdown(srv->cli);
 701                                 srv->cli = NULL;
 702                                 context->callbacks.remove_cached_srv_fn(context,
 703                                                                         srv);
 704                                 srv = NULL;
 705                         }
 706
 707                         /*
 708                          * Regenerate the dev value since it's based on both
 709                          * server and share
 710                          */
 711                         if (srv) {
 712                                 srv->dev = (dev_t)(str_checksum(server) ^
 713                                                    str_checksum(share));
 714                         }
 715                 }
 716         }
 717
 718         /* If we have a connection... */
 719         if (srv) {
 720
 721                 /* ... then we're done here.  Give 'em what they came for. */
 722                 return srv;
 723         }
 724
 725         /* If we're not asked to connect when a connection doesn't exist... */
 726         if (! connect_if_not_found) {
 727                 /* ... then we're done here. */
 728                 return NULL;
 729         }
 730
 731         make_nmb_name(&calling, context->netbios_name, 0x0);
 732         make_nmb_name(&called , server, 0x20);
 733
 734         DEBUG(4,("smbc_server: server_n=[%s] server=[%s]\n", server_n, server));
 735
 736         DEBUG(4,(" -> server_n=[%s] server=[%s]\n", server_n, server));
 737
 738  again:
 739         slprintf(ipenv,sizeof(ipenv)-1,"HOST_%s", server_n);
 740
 741         zero_ip(&ip);
 742
 743         /* have to open a new connection */
 744         if ((c = cli_initialise()) == NULL) {
 745                 errno = ENOMEM;
 746                 return NULL;
 747         }
 748
 749         if (context->flags & SMB_CTX_FLAG_USE_KERBEROS) {
 750                 c->use_kerberos = True;
 751         }
 752         if (context->flags & SMB_CTX_FLAG_FALLBACK_AFTER_KERBEROS) {
 753                 c->fallback_after_kerberos = True;
 754         }
 755
 756         c->timeout = context->timeout;
 757
 758         /*
 759          * Force use of port 139 for first try if share is $IPC, empty, or
 760          * null, so browse lists can work
 761          */
 762         if (share == NULL || *share == '\0' || strcmp(share, "IPC$") == 0) {
 763                 port_try_first = 139;
 764                 port_try_next = 445;
 765         } else {
 766                 port_try_first = 445;
 767                 port_try_next = 139;
 768         }
 769
 770         c->port = port_try_first;
 771
 772         if (!cli_connect(c, server_n, &ip)) {
 773
 774                 /* First connection attempt failed.  Try alternate port. */
 775                 c->port = port_try_next;
 776
 777                 if (!cli_connect(c, server_n, &ip)) {
 778                         cli_shutdown(c);
 779                         errno = ETIMEDOUT;
 780                         return NULL;
 781                 }
 782         }
 783
 784         if (!cli_session_request(c, &calling, &called)) {
 785                 cli_shutdown(c);
 786                 if (strcmp(called.name, "*SMBSERVER")) {
 787                         make_nmb_name(&called , "*SMBSERVER", 0x20);
 788                         goto again;
 789                 } else {  /* Try one more time, but ensure we don't loop */
 790
 791                         /* Only try this if server is an IP address ... */
 792
 793                         if (is_ipaddress(server) && !tried_reverse) {
 794                                 fstring remote_name;
 795                                 struct in_addr rem_ip;
 796
 797                                 if ((rem_ip.s_addr=inet_addr(server)) == INADDR_NONE) {
 798                                         DEBUG(4, ("Could not convert IP address "
 799                                                 "%s to struct in_addr\n", server));
 800                                         errno = ETIMEDOUT;
 801                                         return NULL;
 802                                 }
 803
 804                                 tried_reverse++; /* Yuck */
 805
 806                                 if (name_status_find("*", 0, 0, rem_ip, remote_name)) {
 807                                         make_nmb_name(&called, remote_name, 0x20);
 808                                         goto again;
 809                                 }
 810                         }
 811                 }
 812                 errno = ETIMEDOUT;
 813                 return NULL;
 814         }
 815
 816         DEBUG(4,(" session request ok\n"));
 817
 818         if (!cli_negprot(c)) {
 819                 cli_shutdown(c);
 820                 errno = ETIMEDOUT;
 821                 return NULL;
 822         }
 823
 824         username_used = username;
 825
 826         if (!NT_STATUS_IS_OK(cli_session_setup(c, username_used,
 827                                                password, strlen(password),
 828                                                password, strlen(password),
 829                                                workgroup))) {
 830
 831                 /* Failed.  Try an anonymous login, if allowed by flags. */
 832                 username_used = "";
 833
 834                 if ((context->flags & SMBCCTX_FLAG_NO_AUTO_ANONYMOUS_LOGON) ||
 835                      !NT_STATUS_IS_OK(cli_session_setup(c, username_used,
 836                                                         password, 1,
 837                                                         password, 0,
 838                                                         workgroup))) {
 839
 840                         cli_shutdown(c);
 841                         errno = EPERM;
 842                         return NULL;
 843                 }
 844         }
 845
 846         DEBUG(4,(" session setup ok\n"));
 847
 848         if (!cli_send_tconX(c, share, "?????",
 849                             password, strlen(password)+1)) {
 850                 errno = smbc_errno(context, c);
 851                 cli_shutdown(c);
 852                 return NULL;
 853         }
 854
 855         DEBUG(4,(" tconx ok\n"));
 856
 857         /*
 858          * Ok, we have got a nice connection
 859          * Let's allocate a server structure.
 860          */
 861
 862         srv = SMB_MALLOC_P(SMBCSRV);
 863         if (!srv) {
 864                 errno = ENOMEM;
 865                 goto failed;
 866         }
 867
 868         ZERO_STRUCTP(srv);
 869         srv->cli = c;
 870         srv->dev = (dev_t)(str_checksum(server) ^ str_checksum(share));
 871         srv->no_pathinfo = False;
 872         srv->no_pathinfo2 = False;
 873         srv->no_nt_session = False;
 874
 875         /* now add it to the cache (internal or external)  */
 876         /* Let the cache function set errno if it wants to */
 877         errno = 0;
 878         if (context->callbacks.add_cached_srv_fn(context, srv, server, share, workgroup, username)) {
 879                 int saved_errno = errno;
 880                 DEBUG(3, (" Failed to add server to cache\n"));
 881                 errno = saved_errno;
 882                 if (errno == 0) {
 883                         errno = ENOMEM;
 884                 }
 885                 goto failed;
 886         }
 887
 888         DEBUG(2, ("Server connect ok: //%s/%s: %p\n",
 889                   server, share, srv));
 890
 891         DLIST_ADD(context->internal->_servers, srv);
 892         return srv;
 893
 894  failed:
 895         cli_shutdown(c);
 896         if (!srv) {
 897                 return NULL;
 898         }
 899
 900         SAFE_FREE(srv);
 901         return NULL;
 902 }
 903
 904 /*
 905  * Connect to a server for getting/setting attributes, possibly on an existing
 906  * connection.  This works similarly to smbc_server().
 907  */
 908 static SMBCSRV *
 909 smbc_attr_server(SMBCCTX *context,
 910                  const char *server,
 911                  const char *share,
 912                  fstring workgroup,
 913                  fstring username,
 914                  fstring password,
 915                  POLICY_HND *pol)
 916 {
 917         struct in_addr ip;
 918         struct cli_state *ipc_cli;
 919         struct rpc_pipe_client *pipe_hnd;
 920         NTSTATUS nt_status;
 921         SMBCSRV *ipc_srv=NULL;
 922
 923         /*
 924          * See if we've already created this special connection.  Reference
 925          * our "special" share name '*IPC$', which is an impossible real share
 926          * name due to the leading asterisk.
 927          */
 928         ipc_srv = find_server(context, server, "*IPC$",
 929                               workgroup, username, password);
 930         if (!ipc_srv) {
 931
 932                 /* We didn't find a cached connection.  Get the password */
 933                 if (*password == '\0') {
 934                         /* ... then retrieve it now. */
 935                         if (context->internal->_auth_fn_with_context != NULL) {
 936                                 context->internal->_auth_fn_with_context(
 937                                         context,
 938                                         server, share,
 939                                         workgroup, sizeof(fstring),
 940                                         username, sizeof(fstring),
 941                                         password, sizeof(fstring));
 942                         } else {
 943                                 context->callbacks.auth_fn(
 944                                         server, share,
 945                                         workgroup, sizeof(fstring),
 946                                         username, sizeof(fstring),
 947                                         password, sizeof(fstring));
 948                         }
 949                 }
 950
 951                 zero_ip(&ip);
 952                 nt_status = cli_full_connection(&ipc_cli,
 953                                                 global_myname(), server,
 954                                                 &ip, 0, "IPC$", "?????",
 955                                                 username, workgroup,
 956                                                 password, 0,
 957                                                 Undefined, NULL);
 958                 if (! NT_STATUS_IS_OK(nt_status)) {
 959                         DEBUG(1,("cli_full_connection failed! (%s)\n",
 960                                  nt_errstr(nt_status)));
 961                         errno = ENOTSUP;
 962                         return NULL;
 963                 }
 964
 965                 ipc_srv = SMB_MALLOC_P(SMBCSRV);
 966                 if (!ipc_srv) {
 967                         errno = ENOMEM;
 968                         cli_shutdown(ipc_cli);
 969                         return NULL;
 970                 }
 971
 972                 ZERO_STRUCTP(ipc_srv);
 973                 ipc_srv->cli = ipc_cli;
 974
 975                 if (pol) {
 976                         pipe_hnd = cli_rpc_pipe_open_noauth(ipc_srv->cli,
 977                                                             PI_LSARPC,
 978                                                             &nt_status);
 979                         if (!pipe_hnd) {
 980                                 DEBUG(1, ("cli_nt_session_open fail!\n"));
 981                                 errno = ENOTSUP;
 982                                 cli_shutdown(ipc_srv->cli);
 983                                 free(ipc_srv);
 984                                 return NULL;
 985                         }
 986
 987                         /*
 988                          * Some systems don't support
 989                          * SEC_RIGHTS_MAXIMUM_ALLOWED, but NT sends 0x2000000
 990                          * so we might as well do it too.
 991                          */
 992
 993                         nt_status = rpccli_lsa_open_policy(
 994                                 pipe_hnd,
 995                                 ipc_srv->cli->mem_ctx,
 996                                 True,
 997                                 GENERIC_EXECUTE_ACCESS,
 998                                 pol);
 999
1000                         if (!NT_STATUS_IS_OK(nt_status)) {
1001                                 errno = smbc_errno(context, ipc_srv->cli);
1002                                 cli_shutdown(ipc_srv->cli);
1003                                 return NULL;
1004                         }
1005                 }
1006
1007                 /* now add it to the cache (internal or external) */
1008
1009                 errno = 0;      /* let cache function set errno if it likes */
1010                 if (context->callbacks.add_cached_srv_fn(context, ipc_srv,
1011                                                          server,
1012                                                          "*IPC$",
1013                                                          workgroup,
1014                                                          username)) {
1015                         DEBUG(3, (" Failed to add server to cache\n"));
1016                         if (errno == 0) {
1017                                 errno = ENOMEM;
1018                         }
1019                         cli_shutdown(ipc_srv->cli);
1020                         free(ipc_srv);
1021                         return NULL;
1022                 }
1023
1024                 DLIST_ADD(context->internal->_servers, ipc_srv);
1025         }
1026
1027         return ipc_srv;
1028 }
1029
1030 /*
1031  * Routine to open() a file ...
1032  */
1033
1034 static SMBCFILE *
1035 smbc_open_ctx(SMBCCTX *context,
1036               const char *fname,
1037               int flags,
1038               mode_t mode)
1039 {
1040         fstring server, share, user, password, workgroup;
1041         pstring path;
1042         pstring targetpath;
1043         struct cli_state *targetcli;
1044         SMBCSRV *srv   = NULL;
1045         SMBCFILE *file = NULL;
1046         int fd;
1047
1048         if (!context || !context->internal ||
1049             !context->internal->_initialized) {
1050
1051                 errno = EINVAL;  /* Best I can think of ... */
1052                 return NULL;
1053
1054         }
1055
1056         if (!fname) {
1057
1058                 errno = EINVAL;
1059                 return NULL;
1060
1061         }
1062
1063         if (smbc_parse_path(context, fname,
1064                             workgroup, sizeof(workgroup),
1065                             server, sizeof(server),
1066                             share, sizeof(share),
1067                             path, sizeof(path),
1068                             user, sizeof(user),
1069                             password, sizeof(password),
1070                             NULL, 0)) {
1071                 errno = EINVAL;
1072                 return NULL;
1073         }
1074
1075         if (user[0] == (char)0) fstrcpy(user, context->user);
1076
1077         srv = smbc_server(context, True,
1078                           server, share, workgroup, user, password);
1079
1080         if (!srv) {
1081
1082                 if (errno == EPERM) errno = EACCES;
1083                 return NULL;  /* smbc_server sets errno */
1084
1085         }
1086
1087         /* Hmmm, the test for a directory is suspect here ... FIXME */
1088
1089         if (strlen(path) > 0 && path[strlen(path) - 1] == '\\') {
1090
1091                 fd = -1;
1092
1093         }
1094         else {
1095
1096                 file = SMB_MALLOC_P(SMBCFILE);
1097
1098                 if (!file) {
1099
1100                         errno = ENOMEM;
1101                         return NULL;
1102
1103                 }
1104
1105                 ZERO_STRUCTP(file);
1106
1107                 /*d_printf(">>>open: resolving %s\n", path);*/
1108                 if (!cli_resolve_path( "", srv->cli, path, &targetcli, targetpath))
1109                 {
1110                         d_printf("Could not resolve %s\n", path);
1111                         SAFE_FREE(file);
1112                         return NULL;
1113                 }
1114                 /*d_printf(">>>open: resolved %s as %s\n", path, targetpath);*/
1115
1116                 if ( targetcli->dfsroot )
1117                 {
1118                         pstring temppath;
1119                         pstrcpy(temppath, targetpath);
1120                         cli_dfs_make_full_path( targetpath, targetcli->desthost, targetcli->share, temppath);
1121                 }
1122
1123                 if ((fd = cli_open(targetcli, targetpath, flags,
1124                                    context->internal->_share_mode)) < 0) {
1125
1126                         /* Handle the error ... */
1127
1128                         SAFE_FREE(file);
1129                         errno = smbc_errno(context, targetcli);
1130                         return NULL;
1131
1132                 }
1133
1134                 /* Fill in file struct */
1135
1136                 file->cli_fd  = fd;
1137                 file->fname   = SMB_STRDUP(fname);
1138                 file->srv     = srv;
1139                 file->offset  = 0;
1140                 file->file    = True;
1141
1142                 DLIST_ADD(context->internal->_files, file);
1143
1144                 /*
1145                  * If the file was opened in O_APPEND mode, all write
1146                  * operations should be appended to the file.  To do that,
1147                  * though, using this protocol, would require a getattrE()
1148                  * call for each and every write, to determine where the end
1149                  * of the file is. (There does not appear to be an append flag
1150                  * in the protocol.)  Rather than add all of that overhead of
1151                  * retrieving the current end-of-file offset prior to each
1152                  * write operation, we'll assume that most append operations
1153                  * will continuously write, so we'll just set the offset to
1154                  * the end of the file now and hope that's adequate.
1155                  *
1156                  * Note to self: If this proves inadequate, and O_APPEND
1157                  * should, in some cases, be forced for each write, add a
1158                  * field in the context options structure, for
1159                  * "strict_append_mode" which would select between the current
1160                  * behavior (if FALSE) or issuing a getattrE() prior to each
1161                  * write and forcing the write to the end of the file (if
1162                  * TRUE).  Adding that capability will likely require adding
1163                  * an "append" flag into the _SMBCFILE structure to track
1164                  * whether a file was opened in O_APPEND mode.  -- djl
1165                  */
1166                 if (flags & O_APPEND) {
1167                         if (smbc_lseek_ctx(context, file, 0, SEEK_END) < 0) {
1168                                 (void) smbc_close_ctx(context, file);
1169                                 errno = ENXIO;
1170                                 return NULL;
1171                         }
1172                 }
1173
1174                 return file;
1175
1176         }
1177
1178         /* Check if opendir needed ... */
1179
1180         if (fd == -1) {
1181                 int eno = 0;
1182
1183                 eno = smbc_errno(context, srv->cli);
1184                 file = context->opendir(context, fname);
1185                 if (!file) errno = eno;
1186                 return file;
1187
1188         }
1189
1190         errno = EINVAL; /* FIXME, correct errno ? */
1191         return NULL;
1192
1193 }
1194
1195 /*
1196  * Routine to create a file
1197  */
1198
1199 static int creat_bits = O_WRONLY | O_CREAT | O_TRUNC; /* FIXME: Do we need this */
1200
1201 static SMBCFILE *
1202 smbc_creat_ctx(SMBCCTX *context,
1203                const char *path,
1204                mode_t mode)
1205 {
1206
1207         if (!context || !context->internal ||
1208             !context->internal->_initialized) {
1209
1210                 errno = EINVAL;
1211                 return NULL;
1212
1213         }
1214
1215         return smbc_open_ctx(context, path, creat_bits, mode);
1216 }
1217
1218 /*
1219  * Routine to read() a file ...
1220  */
1221
1222 static ssize_t
1223 smbc_read_ctx(SMBCCTX *context,
1224               SMBCFILE *file,
1225               void *buf,
1226               size_t count)
1227 {
1228         int ret;
1229         fstring server, share, user, password;
1230         pstring path, targetpath;
1231         struct cli_state *targetcli;
1232
1233         /*
1234          * offset:
1235          *
1236          * Compiler bug (possibly) -- gcc (GCC) 3.3.5 (Debian 1:3.3.5-2) --
1237          * appears to pass file->offset (which is type off_t) differently than
1238          * a local variable of type off_t.  Using local variable "offset" in
1239          * the call to cli_read() instead of file->offset fixes a problem
1240          * retrieving data at an offset greater than 4GB.
1241          */
1242         off_t offset;
1243
1244         if (!context || !context->internal ||
1245             !context->internal->_initialized) {
1246
1247                 errno = EINVAL;
1248                 return -1;
1249
1250         }
1251
1252         DEBUG(4, ("smbc_read(%p, %d)\n", file, (int)count));
1253
1254         if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
1255
1256                 errno = EBADF;
1257                 return -1;
1258
1259         }
1260
1261         offset = file->offset;
1262
1263         /* Check that the buffer exists ... */
1264
1265         if (buf == NULL) {
1266
1267                 errno = EINVAL;
1268                 return -1;
1269
1270         }
1271
1272         /*d_printf(">>>read: parsing %s\n", file->fname);*/
1273         if (smbc_parse_path(context, file->fname,
1274                             NULL, 0,
1275                             server, sizeof(server),
1276                             share, sizeof(share),
1277                             path, sizeof(path),
1278                             user, sizeof(user),
1279                             password, sizeof(password),
1280                             NULL, 0)) {
1281                 errno = EINVAL;
1282                 return -1;
1283         }
1284
1285         /*d_printf(">>>read: resolving %s\n", path);*/
1286         if (!cli_resolve_path("", file->srv->cli, path,
1287                               &targetcli, targetpath))
1288         {
1289                 d_printf("Could not resolve %s\n", path);
1290                 return -1;
1291         }
1292         /*d_printf(">>>fstat: resolved path as %s\n", targetpath);*/
1293
1294         ret = cli_read(targetcli, file->cli_fd, (char *)buf, offset, count);
1295
1296         if (ret < 0) {
1297
1298                 errno = smbc_errno(context, targetcli);
1299                 return -1;
1300
1301         }
1302
1303         file->offset += ret;
1304
1305         DEBUG(4, ("  --> %d\n", ret));
1306
1307         return ret;  /* Success, ret bytes of data ... */
1308
1309 }
1310
1311 /*
1312  * Routine to write() a file ...
1313  */
1314
1315 static ssize_t
1316 smbc_write_ctx(SMBCCTX *context,
1317                SMBCFILE *file,
1318                void *buf,
1319                size_t count)
1320 {
1321         int ret;
1322         off_t offset;
1323         fstring server, share, user, password;
1324         pstring path, targetpath;
1325         struct cli_state *targetcli;
1326
1327         /* First check all pointers before dereferencing them */
1328
1329         if (!context || !context->internal ||
1330             !context->internal->_initialized) {
1331
1332                 errno = EINVAL;
1333                 return -1;
1334
1335         }
1336
1337         if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
1338
1339                 errno = EBADF;
1340                 return -1;
1341
1342         }
1343
1344         /* Check that the buffer exists ... */
1345
1346         if (buf == NULL) {
1347
1348                 errno = EINVAL;
1349                 return -1;
1350
1351         }
1352
1353         offset = file->offset; /* See "offset" comment in smbc_read_ctx() */
1354
1355         /*d_printf(">>>write: parsing %s\n", file->fname);*/
1356         if (smbc_parse_path(context, file->fname,
1357                             NULL, 0,
1358                             server, sizeof(server),
1359                             share, sizeof(share),
1360                             path, sizeof(path),
1361                             user, sizeof(user),
1362                             password, sizeof(password),
1363                             NULL, 0)) {
1364                 errno = EINVAL;
1365                 return -1;
1366         }
1367
1368         /*d_printf(">>>write: resolving %s\n", path);*/
1369         if (!cli_resolve_path("", file->srv->cli, path,
1370                               &targetcli, targetpath))
1371         {
1372                 d_printf("Could not resolve %s\n", path);
1373                 return -1;
1374         }
1375         /*d_printf(">>>write: resolved path as %s\n", targetpath);*/
1376
1377
1378         ret = cli_write(targetcli, file->cli_fd, 0, (char *)buf, offset, count);
1379
1380         if (ret <= 0) {
1381
1382                 errno = smbc_errno(context, targetcli);
1383                 return -1;
1384
1385         }
1386
1387         file->offset += ret;
1388
1389         return ret;  /* Success, 0 bytes of data ... */
1390 }
1391
1392 /*
1393  * Routine to close() a file ...
1394  */
1395
1396 static int
1397 smbc_close_ctx(SMBCCTX *context,
1398                SMBCFILE *file)
1399 {
1400         SMBCSRV *srv;
1401         fstring server, share, user, password;
1402         pstring path, targetpath;
1403         struct cli_state *targetcli;
1404
1405         if (!context || !context->internal ||
1406             !context->internal->_initialized) {
1407
1408                 errno = EINVAL;
1409                 return -1;
1410
1411         }
1412
1413         if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
1414
1415                 errno = EBADF;
1416                 return -1;
1417
1418         }
1419
1420         /* IS a dir ... */
1421         if (!file->file) {
1422
1423                 return context->closedir(context, file);
1424
1425         }
1426
1427         /*d_printf(">>>close: parsing %s\n", file->fname);*/
1428         if (smbc_parse_path(context, file->fname,
1429                             NULL, 0,
1430                             server, sizeof(server),
1431                             share, sizeof(share),
1432                             path, sizeof(path),
1433                             user, sizeof(user),
1434                             password, sizeof(password),
1435                             NULL, 0)) {
1436                 errno = EINVAL;
1437                 return -1;
1438         }
1439
1440         /*d_printf(">>>close: resolving %s\n", path);*/
1441         if (!cli_resolve_path("", file->srv->cli, path,
1442                               &targetcli, targetpath))
1443         {
1444                 d_printf("Could not resolve %s\n", path);
1445                 return -1;
1446         }
1447         /*d_printf(">>>close: resolved path as %s\n", targetpath);*/
1448
1449         if (!cli_close(targetcli, file->cli_fd)) {
1450
1451                 DEBUG(3, ("cli_close failed on %s. purging server.\n",
1452                           file->fname));
1453                 /* Deallocate slot and remove the server
1454                  * from the server cache if unused */
1455                 errno = smbc_errno(context, targetcli);
1456                 srv = file->srv;
1457                 DLIST_REMOVE(context->internal->_files, file);
1458                 SAFE_FREE(file->fname);
1459                 SAFE_FREE(file);
1460                 context->callbacks.remove_unused_server_fn(context, srv);
1461
1462                 return -1;
1463
1464         }
1465
1466         DLIST_REMOVE(context->internal->_files, file);
1467         SAFE_FREE(file->fname);
1468         SAFE_FREE(file);
1469
1470         return 0;
1471 }
1472
1473 /*
1474  * Get info from an SMB server on a file. Use a qpathinfo call first
1475  * and if that fails, use getatr, as Win95 sometimes refuses qpathinfo
1476  */
1477 static BOOL
1478 smbc_getatr(SMBCCTX * context,
1479             SMBCSRV *srv,
1480             char *path,
1481             uint16 *mode,
1482             SMB_OFF_T *size,
1483             struct timespec *create_time_ts,
1484             struct timespec *access_time_ts,
1485             struct timespec *write_time_ts,
1486             struct timespec *change_time_ts,
1487             SMB_INO_T *ino)
1488 {
1489         pstring fixedpath;
1490         pstring targetpath;
1491         struct cli_state *targetcli;
1492         time_t write_time;
1493
1494         if (!context || !context->internal ||
1495             !context->internal->_initialized) {
1496
1497                 errno = EINVAL;
1498                 return -1;
1499
1500         }
1501
1502         /* path fixup for . and .. */
1503         if (strequal(path, ".") || strequal(path, ".."))
1504                 pstrcpy(fixedpath, "\\");
1505         else
1506         {
1507                 pstrcpy(fixedpath, path);
1508                 trim_string(fixedpath, NULL, "\\..");
1509                 trim_string(fixedpath, NULL, "\\.");
1510         }
1511         DEBUG(4,("smbc_getatr: sending qpathinfo\n"));
1512
1513         if (!cli_resolve_path( "", srv->cli, fixedpath, &targetcli, targetpath))
1514         {
1515                 d_printf("Couldn't resolve %s\n", path);
1516                 return False;
1517         }
1518
1519         if ( targetcli->dfsroot )
1520         {
1521                 pstring temppath;
1522                 pstrcpy(temppath, targetpath);
1523                 cli_dfs_make_full_path(targetpath, targetcli->desthost,
1524                                        targetcli->share, temppath);
1525         }
1526
1527         if (!srv->no_pathinfo2 &&
1528             cli_qpathinfo2(targetcli, targetpath,
1529                            create_time_ts,
1530                            access_time_ts,
1531                            write_time_ts,
1532                            change_time_ts,
1533                            size, mode, ino)) {
1534             return True;
1535         }
1536
1537         /* if this is NT then don't bother with the getatr */
1538         if (targetcli->capabilities & CAP_NT_SMBS) {
1539                 errno = EPERM;
1540                 return False;
1541         }
1542
1543         if (cli_getatr(targetcli, targetpath, mode, size, &write_time)) {
1544
1545                 struct timespec w_time_ts;
1546
1547                 w_time_ts = convert_time_t_to_timespec(write_time);
1548
1549                 if (write_time_ts != NULL) {
1550                         *write_time_ts = w_time_ts;
1551                 }
1552
1553                 if (create_time_ts != NULL) {
1554                         *create_time_ts = w_time_ts;
1555                 }
1556
1557                 if (access_time_ts != NULL) {
1558                         *access_time_ts = w_time_ts;
1559                 }
1560
1561                 if (change_time_ts != NULL) {
1562                         *change_time_ts = w_time_ts;
1563                 }
1564
1565                 srv->no_pathinfo2 = True;
1566                 return True;
1567         }
1568
1569         errno = EPERM;
1570         return False;
1571
1572 }
1573
1574 /*
1575  * Set file info on an SMB server.  Use setpathinfo call first.  If that
1576  * fails, use setattrE..
1577  *
1578  * Access and modification time parameters are always used and must be
1579  * provided.  Create time, if zero, will be determined from the actual create
1580  * time of the file.  If non-zero, the create time will be set as well.
1581  *
1582  * "mode" (attributes) parameter may be set to -1 if it is not to be set.
1583  */
1584 static BOOL
1585 smbc_setatr(SMBCCTX * context, SMBCSRV *srv, char *path,
1586             time_t create_time,
1587             time_t access_time,
1588             time_t write_time,
1589             time_t change_time,
1590             uint16 mode)
1591 {
1592         int fd;
1593         int ret;
1594
1595         /*
1596          * First, try setpathinfo (if qpathinfo succeeded), for it is the
1597          * modern function for "new code" to be using, and it works given a
1598          * filename rather than requiring that the file be opened to have its
1599          * attributes manipulated.
1600          */
1601         if (srv->no_pathinfo ||
1602             ! cli_setpathinfo(srv->cli, path,
1603                               create_time,
1604                               access_time,
1605                               write_time,
1606                               change_time,
1607                               mode)) {
1608
1609                 /*
1610                  * setpathinfo is not supported; go to plan B.
1611                  *
1612                  * cli_setatr() does not work on win98, and it also doesn't
1613                  * support setting the access time (only the modification
1614                  * time), so in all cases, we open the specified file and use
1615                  * cli_setattrE() which should work on all OS versions, and
1616                  * supports both times.
1617                  */
1618
1619                 /* Don't try {q,set}pathinfo() again, with this server */
1620                 srv->no_pathinfo = True;
1621
1622                 /* Open the file */
1623                 if ((fd = cli_open(srv->cli, path, O_RDWR, DENY_NONE)) < 0) {
1624
1625                         errno = smbc_errno(context, srv->cli);
1626                         return -1;
1627                 }
1628
1629                 /* Set the new attributes */
1630                 ret = cli_setattrE(srv->cli, fd,
1631                                    change_time,
1632                                    access_time,
1633                                    write_time);
1634
1635                 /* Close the file */
1636                 cli_close(srv->cli, fd);
1637
1638                 /*
1639                  * Unfortunately, setattrE() doesn't have a provision for
1640                  * setting the access mode (attributes).  We'll have to try
1641                  * cli_setatr() for that, and with only this parameter, it
1642                  * seems to work on win98.
1643                  */
1644                 if (ret && mode != (uint16) -1) {
1645                         ret = cli_setatr(srv->cli, path, mode, 0);
1646                 }
1647
1648                 if (! ret) {
1649                         errno = smbc_errno(context, srv->cli);
1650                         return False;
1651                 }
1652         }
1653
1654         return True;
1655 }
1656
1657  /*
1658   * Routine to unlink() a file
1659   */
1660
1661 static int
1662 smbc_unlink_ctx(SMBCCTX *context,
1663                 const char *fname)
1664 {
1665         fstring server, share, user, password, workgroup;
1666         pstring path, targetpath;
1667         struct cli_state *targetcli;
1668         SMBCSRV *srv = NULL;
1669
1670         if (!context || !context->internal ||
1671             !context->internal->_initialized) {
1672
1673                 errno = EINVAL;  /* Best I can think of ... */
1674                 return -1;
1675
1676         }
1677
1678         if (!fname) {
1679
1680                 errno = EINVAL;
1681                 return -1;
1682
1683         }
1684
1685         if (smbc_parse_path(context, fname,
1686                             workgroup, sizeof(workgroup),
1687                             server, sizeof(server),
1688                             share, sizeof(share),
1689                             path, sizeof(path),
1690                             user, sizeof(user),
1691                             password, sizeof(password),
1692                             NULL, 0)) {
1693                 errno = EINVAL;
1694                 return -1;
1695         }
1696
1697         if (user[0] == (char)0) fstrcpy(user, context->user);
1698
1699         srv = smbc_server(context, True,
1700                           server, share, workgroup, user, password);
1701
1702         if (!srv) {
1703
1704                 return -1;  /* smbc_server sets errno */
1705
1706         }
1707
1708         /*d_printf(">>>unlink: resolving %s\n", path);*/
1709         if (!cli_resolve_path( "", srv->cli, path, &targetcli, targetpath))
1710         {
1711                 d_printf("Could not resolve %s\n", path);
1712                 return -1;
1713         }
1714         /*d_printf(">>>unlink: resolved path as %s\n", targetpath);*/
1715
1716         if (!cli_unlink(targetcli, targetpath)) {
1717
1718                 errno = smbc_errno(context, targetcli);
1719
1720                 if (errno == EACCES) { /* Check if the file is a directory */
1721
1722                         int saverr = errno;
1723                         SMB_OFF_T size = 0;
1724                         uint16 mode = 0;
1725                         struct timespec write_time_ts;
1726                         struct timespec access_time_ts;
1727                         struct timespec change_time_ts;
1728                         SMB_INO_T ino = 0;
1729
1730                         if (!smbc_getatr(context, srv, path, &mode, &size,
1731                                          NULL,
1732                                          &access_time_ts,
1733                                          &write_time_ts,
1734                                          &change_time_ts,
1735                                          &ino)) {
1736
1737                                 /* Hmmm, bad error ... What? */
1738
1739                                 errno = smbc_errno(context, targetcli);
1740                                 return -1;
1741
1742                         }
1743                         else {
1744
1745                                 if (IS_DOS_DIR(mode))
1746                                         errno = EISDIR;
1747                                 else
1748                                         errno = saverr;  /* Restore this */
1749
1750                         }
1751                 }
1752
1753                 return -1;
1754
1755         }
1756
1757         return 0;  /* Success ... */
1758
1759 }
1760
1761 /*
1762  * Routine to rename() a file
1763  */
1764
1765 static int
1766 smbc_rename_ctx(SMBCCTX *ocontext,
1767                 const char *oname,
1768                 SMBCCTX *ncontext,
1769                 const char *nname)
1770 {
1771         fstring server1;
1772         fstring share1;
1773         fstring server2;
1774         fstring share2;
1775         fstring user1;
1776         fstring user2;
1777         fstring password1;
1778         fstring password2;
1779         fstring workgroup;
1780         pstring path1;
1781         pstring path2;
1782         pstring targetpath1;
1783         pstring targetpath2;
1784         struct cli_state *targetcli1;
1785         struct cli_state *targetcli2;
1786         SMBCSRV *srv = NULL;
1787
1788         if (!ocontext || !ncontext ||
1789             !ocontext->internal || !ncontext->internal ||
1790             !ocontext->internal->_initialized ||
1791             !ncontext->internal->_initialized) {
1792
1793                 errno = EINVAL;  /* Best I can think of ... */
1794                 return -1;
1795
1796         }
1797
1798         if (!oname || !nname) {
1799
1800                 errno = EINVAL;
1801                 return -1;
1802
1803         }
1804
1805         DEBUG(4, ("smbc_rename(%s,%s)\n", oname, nname));
1806
1807         smbc_parse_path(ocontext, oname,
1808                         workgroup, sizeof(workgroup),
1809                         server1, sizeof(server1),
1810                         share1, sizeof(share1),
1811                         path1, sizeof(path1),
1812                         user1, sizeof(user1),
1813                         password1, sizeof(password1),
1814                         NULL, 0);
1815
1816         if (user1[0] == (char)0) fstrcpy(user1, ocontext->user);
1817
1818         smbc_parse_path(ncontext, nname,
1819                         NULL, 0,
1820                         server2, sizeof(server2),
1821                         share2, sizeof(share2),
1822                         path2, sizeof(path2),
1823                         user2, sizeof(user2),
1824                         password2, sizeof(password2),
1825                         NULL, 0);
1826
1827         if (user2[0] == (char)0) fstrcpy(user2, ncontext->user);
1828
1829         if (strcmp(server1, server2) || strcmp(share1, share2) ||
1830             strcmp(user1, user2)) {
1831
1832                 /* Can't rename across file systems, or users?? */
1833
1834                 errno = EXDEV;
1835                 return -1;
1836
1837         }
1838
1839         srv = smbc_server(ocontext, True,
1840                           server1, share1, workgroup, user1, password1);
1841         if (!srv) {
1842
1843                 return -1;
1844
1845         }
1846
1847         /*d_printf(">>>rename: resolving %s\n", path1);*/
1848         if (!cli_resolve_path( "", srv->cli, path1, &targetcli1, targetpath1))
1849         {
1850                 d_printf("Could not resolve %s\n", path1);
1851                 return -1;
1852         }
1853         /*d_printf(">>>rename: resolved path as %s\n", targetpath1);*/
1854         /*d_printf(">>>rename: resolving %s\n", path2);*/
1855         if (!cli_resolve_path( "", srv->cli, path2, &targetcli2, targetpath2))
1856         {
1857                 d_printf("Could not resolve %s\n", path2);
1858                 return -1;
1859         }
1860         /*d_printf(">>>rename: resolved path as %s\n", targetpath2);*/
1861
1862         if (strcmp(targetcli1->desthost, targetcli2->desthost) ||
1863             strcmp(targetcli1->share, targetcli2->share))
1864         {
1865                 /* can't rename across file systems */
1866
1867                 errno = EXDEV;
1868                 return -1;
1869         }
1870
1871         if (!cli_rename(targetcli1, targetpath1, targetpath2)) {
1872                 int eno = smbc_errno(ocontext, targetcli1);
1873
1874                 if (eno != EEXIST ||
1875                     !cli_unlink(targetcli1, targetpath2) ||
1876                     !cli_rename(targetcli1, targetpath1, targetpath2)) {
1877
1878                         errno = eno;
1879                         return -1;
1880
1881                 }
1882         }
1883
1884         return 0; /* Success */
1885
1886 }
1887
1888 /*
1889  * A routine to lseek() a file
1890  */
1891
1892 static off_t
1893 smbc_lseek_ctx(SMBCCTX *context,
1894                SMBCFILE *file,
1895                off_t offset,
1896                int whence)
1897 {
1898         SMB_OFF_T size;
1899         fstring server, share, user, password;
1900         pstring path, targetpath;
1901         struct cli_state *targetcli;
1902
1903         if (!context || !context->internal ||
1904             !context->internal->_initialized) {
1905
1906                 errno = EINVAL;
1907                 return -1;
1908
1909         }
1910
1911         if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
1912
1913                 errno = EBADF;
1914                 return -1;
1915
1916         }
1917
1918         if (!file->file) {
1919
1920                 errno = EINVAL;
1921                 return -1;      /* Can't lseek a dir ... */
1922
1923         }
1924
1925         switch (whence) {
1926         case SEEK_SET:
1927                 file->offset = offset;
1928                 break;
1929
1930         case SEEK_CUR:
1931                 file->offset += offset;
1932                 break;
1933
1934         case SEEK_END:
1935                 /*d_printf(">>>lseek: parsing %s\n", file->fname);*/
1936                 if (smbc_parse_path(context, file->fname,
1937                                     NULL, 0,
1938                                     server, sizeof(server),
1939                                     share, sizeof(share),
1940                                     path, sizeof(path),
1941                                     user, sizeof(user),
1942                                     password, sizeof(password),
1943                                     NULL, 0)) {
1944
1945                                         errno = EINVAL;
1946                                         return -1;
1947                         }
1948
1949                 /*d_printf(">>>lseek: resolving %s\n", path);*/
1950                 if (!cli_resolve_path("", file->srv->cli, path,
1951                                       &targetcli, targetpath))
1952                 {
1953                         d_printf("Could not resolve %s\n", path);
1954                         return -1;
1955                 }
1956                 /*d_printf(">>>lseek: resolved path as %s\n", targetpath);*/
1957
1958                 if (!cli_qfileinfo(targetcli, file->cli_fd, NULL,
1959                                    &size, NULL, NULL, NULL, NULL, NULL))
1960                 {
1961                     SMB_OFF_T b_size = size;
1962                         if (!cli_getattrE(targetcli, file->cli_fd,
1963                                           NULL, &b_size, NULL, NULL, NULL))
1964                     {
1965                         errno = EINVAL;
1966                         return -1;
1967                     } else
1968                         size = b_size;
1969                 }
1970                 file->offset = size + offset;
1971                 break;
1972
1973         default:
1974                 errno = EINVAL;
1975                 break;
1976
1977         }
1978
1979         return file->offset;
1980
1981 }
1982
1983 /*
1984  * Generate an inode number from file name for those things that need it
1985  */
1986
1987 static ino_t
1988 smbc_inode(SMBCCTX *context,
1989            const char *name)
1990 {
1991
1992         if (!context || !context->internal ||
1993             !context->internal->_initialized) {
1994
1995                 errno = EINVAL;
1996                 return -1;
1997
1998         }
1999
2000         if (!*name) return 2; /* FIXME, why 2 ??? */
2001         return (ino_t)str_checksum(name);
2002
2003 }
2004
2005 /*
2006  * Routine to put basic stat info into a stat structure ... Used by stat and
2007  * fstat below.
2008  */
2009
2010 static int
2011 smbc_setup_stat(SMBCCTX *context,
2012                 struct stat *st,
2013                 char *fname,
2014                 SMB_OFF_T size,
2015                 int mode)
2016 {
2017
2018         st->st_mode = 0;
2019
2020         if (IS_DOS_DIR(mode)) {
2021                 st->st_mode = SMBC_DIR_MODE;
2022         } else {
2023                 st->st_mode = SMBC_FILE_MODE;
2024         }
2025
2026         if (IS_DOS_ARCHIVE(mode)) st->st_mode |= S_IXUSR;
2027         if (IS_DOS_SYSTEM(mode)) st->st_mode |= S_IXGRP;
2028         if (IS_DOS_HIDDEN(mode)) st->st_mode |= S_IXOTH;
2029         if (!IS_DOS_READONLY(mode)) st->st_mode |= S_IWUSR;
2030
2031         st->st_size = size;
2032 #ifdef HAVE_STAT_ST_BLKSIZE
2033         st->st_blksize = 512;
2034 #endif
2035 #ifdef HAVE_STAT_ST_BLOCKS
2036         st->st_blocks = (size+511)/512;
2037 #endif
2038         st->st_uid = getuid();
2039         st->st_gid = getgid();
2040
2041         if (IS_DOS_DIR(mode)) {
2042                 st->st_nlink = 2;
2043         } else {
2044                 st->st_nlink = 1;
2045         }
2046
2047         if (st->st_ino == 0) {
2048                 st->st_ino = smbc_inode(context, fname);
2049         }
2050
2051         return True;  /* FIXME: Is this needed ? */
2052
2053 }
2054
2055 /*
2056  * Routine to stat a file given a name
2057  */
2058
2059 static int
2060 smbc_stat_ctx(SMBCCTX *context,
2061               const char *fname,
2062               struct stat *st)
2063 {
2064         SMBCSRV *srv;
2065         fstring server;
2066         fstring share;
2067         fstring user;
2068         fstring password;
2069         fstring workgroup;
2070         pstring path;
2071         struct timespec write_time_ts;
2072         struct timespec access_time_ts;
2073         struct timespec change_time_ts;
2074         SMB_OFF_T size = 0;
2075         uint16 mode = 0;
2076         SMB_INO_T ino = 0;
2077
2078         if (!context || !context->internal ||
2079             !context->internal->_initialized) {
2080
2081                 errno = EINVAL;  /* Best I can think of ... */
2082                 return -1;
2083
2084         }
2085
2086         if (!fname) {
2087
2088                 errno = EINVAL;
2089                 return -1;
2090
2091         }
2092
2093         DEBUG(4, ("smbc_stat(%s)\n", fname));
2094
2095         if (smbc_parse_path(context, fname,
2096                             workgroup, sizeof(workgroup),
2097                             server, sizeof(server),
2098                             share, sizeof(share),
2099                             path, sizeof(path),
2100                             user, sizeof(user),
2101                             password, sizeof(password),
2102                             NULL, 0)) {
2103                 errno = EINVAL;
2104                 return -1;
2105         }
2106
2107         if (user[0] == (char)0) fstrcpy(user, context->user);
2108
2109         srv = smbc_server(context, True,
2110                           server, share, workgroup, user, password);
2111
2112         if (!srv) {
2113                 return -1;  /* errno set by smbc_server */
2114         }
2115
2116         if (!smbc_getatr(context, srv, path, &mode, &size,
2117                          NULL,
2118                          &access_time_ts,
2119                          &write_time_ts,
2120                          &change_time_ts,
2121                          &ino)) {
2122
2123                 errno = smbc_errno(context, srv->cli);
2124                 return -1;
2125
2126         }
2127
2128         st->st_ino = ino;
2129
2130         smbc_setup_stat(context, st, path, size, mode);
2131
2132         set_atimespec(st, access_time_ts);
2133         set_ctimespec(st, change_time_ts);
2134         set_mtimespec(st, write_time_ts);
2135         st->st_dev   = srv->dev;
2136
2137         return 0;
2138
2139 }
2140
2141 /*
2142  * Routine to stat a file given an fd
2143  */
2144
2145 static int
2146 smbc_fstat_ctx(SMBCCTX *context,
2147                SMBCFILE *file,
2148                struct stat *st)
2149 {
2150         struct timespec change_time_ts;
2151         struct timespec access_time_ts;
2152         struct timespec write_time_ts;
2153         SMB_OFF_T size;
2154         uint16 mode;
2155         fstring server;
2156         fstring share;
2157         fstring user;
2158         fstring password;
2159         pstring path;
2160         pstring targetpath;
2161         struct cli_state *targetcli;
2162         SMB_INO_T ino = 0;
2163
2164         if (!context || !context->internal ||
2165             !context->internal->_initialized) {
2166
2167                 errno = EINVAL;
2168                 return -1;
2169
2170         }
2171
2172         if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
2173
2174                 errno = EBADF;
2175                 return -1;
2176
2177         }
2178
2179         if (!file->file) {
2180
2181                 return context->fstatdir(context, file, st);
2182
2183         }
2184
2185         /*d_printf(">>>fstat: parsing %s\n", file->fname);*/
2186         if (smbc_parse_path(context, file->fname,
2187                             NULL, 0,
2188                             server, sizeof(server),
2189                             share, sizeof(share),
2190                             path, sizeof(path),
2191                             user, sizeof(user),
2192                             password, sizeof(password),
2193                             NULL, 0)) {
2194                 errno = EINVAL;
2195                 return -1;
2196         }
2197
2198         /*d_printf(">>>fstat: resolving %s\n", path);*/
2199         if (!cli_resolve_path("", file->srv->cli, path,
2200                               &targetcli, targetpath))
2201         {
2202                 d_printf("Could not resolve %s\n", path);
2203                 return -1;
2204         }
2205         /*d_printf(">>>fstat: resolved path as %s\n", targetpath);*/
2206
2207         if (!cli_qfileinfo(targetcli, file->cli_fd, &mode, &size,
2208                            NULL,
2209                            &access_time_ts,
2210                            &write_time_ts,
2211                            &change_time_ts,
2212                            &ino)) {
2213
2214                 time_t change_time, access_time, write_time;
2215
2216                 if (!cli_getattrE(targetcli, file->cli_fd, &mode, &size,
2217                                 &change_time, &access_time, &write_time)) {
2218
2219                         errno = EINVAL;
2220                         return -1;
2221                 }
2222
2223                 change_time_ts = convert_time_t_to_timespec(change_time);
2224                 access_time_ts = convert_time_t_to_timespec(access_time);
2225                 write_time_ts = convert_time_t_to_timespec(write_time);
2226         }
2227
2228         st->st_ino = ino;
2229
2230         smbc_setup_stat(context, st, file->fname, size, mode);
2231
2232         set_atimespec(st, access_time_ts);
2233         set_ctimespec(st, change_time_ts);
2234         set_mtimespec(st, write_time_ts);
2235         st->st_dev = file->srv->dev;
2236
2237         return 0;
2238
2239 }
2240
2241 /*
2242  * Routine to open a directory
2243  * We accept the URL syntax explained in smbc_parse_path(), above.
2244  */
2245
2246 static void
2247 smbc_remove_dir(SMBCFILE *dir)
2248 {
2249         struct smbc_dir_list *d,*f;
2250
2251         d = dir->dir_list;
2252         while (d) {
2253
2254                 f = d; d = d->next;
2255
2256                 SAFE_FREE(f->dirent);
2257                 SAFE_FREE(f);
2258
2259         }
2260
2261         dir->dir_list = dir->dir_end = dir->dir_next = NULL;
2262
2263 }
2264
2265 static int
2266 add_dirent(SMBCFILE *dir,
2267            const char *name,
2268            const char *comment,
2269            uint32 type)
2270 {
2271         struct smbc_dirent *dirent;
2272         int size;
2273         int name_length = (name == NULL ? 0 : strlen(name));
2274         int comment_len = (comment == NULL ? 0 : strlen(comment));
2275
2276         /*
2277          * Allocate space for the dirent, which must be increased by the
2278          * size of the name and the comment and 1 each for the null terminator.
2279          */
2280
2281         size = sizeof(struct smbc_dirent) + name_length + comment_len + 2;
2282
2283         dirent = (struct smbc_dirent *)SMB_MALLOC(size);
2284
2285         if (!dirent) {
2286
2287                 dir->dir_error = ENOMEM;
2288                 return -1;
2289
2290         }
2291
2292         ZERO_STRUCTP(dirent);
2293
2294         if (dir->dir_list == NULL) {
2295
2296                 dir->dir_list = SMB_MALLOC_P(struct smbc_dir_list);
2297                 if (!dir->dir_list) {
2298
2299                         SAFE_FREE(dirent);
2300                         dir->dir_error = ENOMEM;
2301                         return -1;
2302
2303                 }
2304                 ZERO_STRUCTP(dir->dir_list);
2305
2306                 dir->dir_end = dir->dir_next = dir->dir_list;
2307         }
2308         else {
2309
2310                 dir->dir_end->next = SMB_MALLOC_P(struct smbc_dir_list);
2311
2312                 if (!dir->dir_end->next) {
2313
2314                         SAFE_FREE(dirent);
2315                         dir->dir_error = ENOMEM;
2316                         return -1;
2317
2318                 }
2319                 ZERO_STRUCTP(dir->dir_end->next);
2320
2321                 dir->dir_end = dir->dir_end->next;
2322         }
2323
2324         dir->dir_end->next = NULL;
2325         dir->dir_end->dirent = dirent;
2326
2327         dirent->smbc_type = type;
2328         dirent->namelen = name_length;
2329         dirent->commentlen = comment_len;
2330         dirent->dirlen = size;
2331
2332         /*
2333          * dirent->namelen + 1 includes the null (no null termination needed)
2334          * Ditto for dirent->commentlen.
2335          * The space for the two null bytes was allocated.
2336          */
2337         strncpy(dirent->name, (name?name:""), dirent->namelen + 1);
2338         dirent->comment = (char *)(&dirent->name + dirent->namelen + 1);
2339         strncpy(dirent->comment, (comment?comment:""), dirent->commentlen + 1);
2340
2341         return 0;
2342
2343 }
2344
2345 static void
2346 list_unique_wg_fn(const char *name,
2347                   uint32 type,
2348                   const char *comment,
2349                   void *state)
2350 {
2351         SMBCFILE *dir = (SMBCFILE *)state;
2352         struct smbc_dir_list *dir_list;
2353         struct smbc_dirent *dirent;
2354         int dirent_type;
2355         int do_remove = 0;
2356
2357         dirent_type = dir->dir_type;
2358
2359         if (add_dirent(dir, name, comment, dirent_type) < 0) {
2360
2361                 /* An error occurred, what do we do? */
2362                 /* FIXME: Add some code here */
2363         }
2364
2365         /* Point to the one just added */
2366         dirent = dir->dir_end->dirent;
2367
2368         /* See if this was a duplicate */
2369         for (dir_list = dir->dir_list;
2370              dir_list != dir->dir_end;
2371              dir_list = dir_list->next) {
2372                 if (! do_remove &&
2373                     strcmp(dir_list->dirent->name, dirent->name) == 0) {
2374                         /* Duplicate.  End end of list need to be removed. */
2375                         do_remove = 1;
2376                 }
2377
2378                 if (do_remove && dir_list->next == dir->dir_end) {
2379                         /* Found the end of the list.  Remove it. */
2380                         dir->dir_end = dir_list;
2381                         free(dir_list->next);
2382                         free(dirent);
2383                         dir_list->next = NULL;
2384                         break;
2385                 }
2386         }
2387 }
2388
2389 static void
2390 list_fn(const char *name,
2391         uint32 type,
2392         const char *comment,
2393         void *state)
2394 {
2395         SMBCFILE *dir = (SMBCFILE *)state;
2396         int dirent_type;
2397
2398         /*
2399          * We need to process the type a little ...
2400          *
2401          * Disk share     = 0x00000000
2402          * Print share    = 0x00000001
2403          * Comms share    = 0x00000002 (obsolete?)
2404          * IPC$ share     = 0x00000003
2405          *
2406          * administrative shares:
2407          * ADMIN$, IPC$, C$, D$, E$ ...  are type |= 0x80000000
2408          */
2409
2410         if (dir->dir_type == SMBC_FILE_SHARE) {
2411
2412                 switch (type) {
2413                 case 0 | 0x80000000:
2414                 case 0:
2415                         dirent_type = SMBC_FILE_SHARE;
2416                         break;
2417
2418                 case 1:
2419                         dirent_type = SMBC_PRINTER_SHARE;
2420                         break;
2421
2422                 case 2:
2423                         dirent_type = SMBC_COMMS_SHARE;
2424                         break;
2425
2426                 case 3 | 0x80000000:
2427                 case 3:
2428                         dirent_type = SMBC_IPC_SHARE;
2429                         break;
2430
2431                 default:
2432                         dirent_type = SMBC_FILE_SHARE; /* FIXME, error? */
2433                         break;
2434                 }
2435         }
2436         else {
2437                 dirent_type = dir->dir_type;
2438         }
2439
2440         if (add_dirent(dir, name, comment, dirent_type) < 0) {
2441
2442                 /* An error occurred, what do we do? */
2443                 /* FIXME: Add some code here */
2444
2445         }
2446 }
2447
2448 static void
2449 dir_list_fn(const char *mnt,
2450             file_info *finfo,
2451             const char *mask,
2452             void *state)
2453 {
2454
2455         if (add_dirent((SMBCFILE *)state, finfo->name, "",
2456                        (finfo->mode&aDIR?SMBC_DIR:SMBC_FILE)) < 0) {
2457
2458                 /* Handle an error ... */
2459
2460                 /* FIXME: Add some code ... */
2461
2462         }
2463
2464 }
2465
2466 static int
2467 net_share_enum_rpc(struct cli_state *cli,
2468                    void (*fn)(const char *name,
2469                               uint32 type,
2470                               const char *comment,
2471                               void *state),
2472                    void *state)
2473 {
2474         int i;
2475         WERROR result;
2476         ENUM_HND enum_hnd;
2477         uint32 info_level = 1;
2478         uint32 preferred_len = 0xffffffff;
2479         uint32 type;
2480         SRV_SHARE_INFO_CTR ctr;
2481         fstring name = "";
2482         fstring comment = "";
2483         void *mem_ctx;
2484         struct rpc_pipe_client *pipe_hnd;
2485         NTSTATUS nt_status;
2486
2487         /* Open the server service pipe */
2488         pipe_hnd = cli_rpc_pipe_open_noauth(cli, PI_SRVSVC, &nt_status);
2489         if (!pipe_hnd) {
2490                 DEBUG(1, ("net_share_enum_rpc pipe open fail!\n"));
2491                 return -1;
2492         }
2493
2494         /* Allocate a context for parsing and for the entries in "ctr" */
2495         mem_ctx = talloc_init("libsmbclient: net_share_enum_rpc");
2496         if (mem_ctx == NULL) {
2497                 DEBUG(0, ("out of memory for net_share_enum_rpc!\n"));
2498                 cli_rpc_pipe_close(pipe_hnd);
2499                 return -1;
2500         }
2501
2502         /* Issue the NetShareEnum RPC call and retrieve the response */
2503         init_enum_hnd(&enum_hnd, 0);
2504         result = rpccli_srvsvc_net_share_enum(pipe_hnd,
2505                                               mem_ctx,
2506                                               info_level,
2507                                               &ctr,
2508                                               preferred_len,
2509                                               &enum_hnd);
2510
2511         /* Was it successful? */
2512         if (!W_ERROR_IS_OK(result) || ctr.num_entries == 0) {
2513                 /*  Nope.  Go clean up. */
2514                 goto done;
2515         }
2516
2517         /* For each returned entry... */
2518         for (i = 0; i < ctr.num_entries; i++) {
2519
2520                 /* pull out the share name */
2521                 rpcstr_pull_unistr2_fstring(
2522                         name, &ctr.share.info1[i].info_1_str.uni_netname);
2523
2524                 /* pull out the share's comment */
2525                 rpcstr_pull_unistr2_fstring(
2526                         comment, &ctr.share.info1[i].info_1_str.uni_remark);
2527
2528                 /* Get the type value */
2529                 type = ctr.share.info1[i].info_1.type;
2530
2531                 /* Add this share to the list */
2532                 (*fn)(name, type, comment, state);
2533         }
2534
2535 done:
2536         /* Close the server service pipe */
2537         cli_rpc_pipe_close(pipe_hnd);
2538
2539         /* Free all memory which was allocated for this request */
2540         TALLOC_FREE(mem_ctx);
2541
2542         /* Tell 'em if it worked */
2543         return W_ERROR_IS_OK(result) ? 0 : -1;
2544 }
2545
2546
2547
2548 static SMBCFILE *
2549 smbc_opendir_ctx(SMBCCTX *context,
2550                  const char *fname)
2551 {
2552         int saved_errno;
2553         fstring server, share, user, password, options;
2554         pstring workgroup;
2555         pstring path;
2556         uint16 mode;
2557         char *p;
2558         SMBCSRV *srv  = NULL;
2559         SMBCFILE *dir = NULL;
2560         struct _smbc_callbacks *cb;
2561         struct in_addr rem_ip;
2562
2563         if (!context || !context->internal ||
2564             !context->internal->_initialized) {
2565                 DEBUG(4, ("no valid context\n"));
2566                 errno = EINVAL + 8192;
2567                 return NULL;
2568
2569         }
2570
2571         if (!fname) {
2572                 DEBUG(4, ("no valid fname\n"));
2573                 errno = EINVAL + 8193;
2574                 return NULL;
2575         }
2576
2577         if (smbc_parse_path(context, fname,
2578                             workgroup, sizeof(workgroup),
2579                             server, sizeof(server),
2580                             share, sizeof(share),
2581                             path, sizeof(path),
2582                             user, sizeof(user),
2583                             password, sizeof(password),
2584                             options, sizeof(options))) {
2585                 DEBUG(4, ("no valid path\n"));
2586                 errno = EINVAL + 8194;
2587                 return NULL;
2588         }
2589
2590         DEBUG(4, ("parsed path: fname='%s' server='%s' share='%s' "
2591                   "path='%s' options='%s'\n",
2592                   fname, server, share, path, options));
2593
2594         /* Ensure the options are valid */
2595         if (smbc_check_options(server, share, path, options)) {
2596                 DEBUG(4, ("unacceptable options (%s)\n", options));
2597                 errno = EINVAL + 8195;
2598                 return NULL;
2599         }
2600
2601         if (user[0] == (char)0) fstrcpy(user, context->user);
2602
2603         dir = SMB_MALLOC_P(SMBCFILE);
2604
2605         if (!dir) {
2606
2607                 errno = ENOMEM;
2608                 return NULL;
2609
2610         }
2611
2612         ZERO_STRUCTP(dir);
2613
2614         dir->cli_fd   = 0;
2615         dir->fname    = SMB_STRDUP(fname);
2616         dir->srv      = NULL;
2617         dir->offset   = 0;
2618         dir->file     = False;
2619         dir->dir_list = dir->dir_next = dir->dir_end = NULL;
2620
2621         if (server[0] == (char)0) {
2622
2623                 int i;
2624                 int count;
2625                 int max_lmb_count;
2626                 struct ip_service *ip_list;
2627                 struct ip_service server_addr;
2628                 struct user_auth_info u_info;
2629                 struct cli_state *cli;
2630
2631                 if (share[0] != (char)0 || path[0] != (char)0) {
2632
2633                         errno = EINVAL + 8196;
2634                         if (dir) {
2635                                 SAFE_FREE(dir->fname);
2636                                 SAFE_FREE(dir);
2637                         }
2638                         return NULL;
2639                 }
2640
2641                 /* Determine how many local master browsers to query */
2642                 max_lmb_count = (context->options.browse_max_lmb_count == 0
2643                                  ? INT_MAX
2644                                  : context->options.browse_max_lmb_count);
2645
2646                 pstrcpy(u_info.username, user);
2647                 pstrcpy(u_info.password, password);
2648
2649                 /*
2650                  * We have server and share and path empty but options
2651                  * requesting that we scan all master browsers for their list
2652                  * of workgroups/domains.  This implies that we must first try
2653                  * broadcast queries to find all master browsers, and if that
2654                  * doesn't work, then try our other methods which return only
2655                  * a single master browser.
2656                  */
2657
2658                 ip_list = NULL;
2659                 if (!name_resolve_bcast(MSBROWSE, 1, &ip_list, &count)) {
2660
2661                         SAFE_FREE(ip_list);
2662
2663                         if (!find_master_ip(workgroup, &server_addr.ip)) {
2664
2665                                 if (dir) {
2666                                         SAFE_FREE(dir->fname);
2667                                         SAFE_FREE(dir);
2668                                 }
2669                                 errno = ENOENT;
2670                                 return NULL;
2671                         }
2672
2673                         ip_list = &server_addr;
2674                         count = 1;
2675                 }
2676
2677                 for (i = 0; i < count && i < max_lmb_count; i++) {
2678                         DEBUG(99, ("Found master browser %d of %d: %s\n",
2679                                    i+1, MAX(count, max_lmb_count),
2680                                    inet_ntoa(ip_list[i].ip)));
2681
2682                         cli = get_ipc_connect_master_ip(&ip_list[i],
2683                                                         workgroup, &u_info);
2684                         /* cli == NULL is the master browser refused to talk or
2685                            could not be found */
2686                         if ( !cli )
2687                                 continue;
2688
2689                         fstrcpy(server, cli->desthost);
2690                         cli_shutdown(cli);
2691
2692                         DEBUG(4, ("using workgroup %s %s\n",
2693                                   workgroup, server));
2694
2695                         /*
2696                          * For each returned master browser IP address, get a
2697                          * connection to IPC$ on the server if we do not
2698                          * already have one, and determine the
2699                          * workgroups/domains that it knows about.
2700                          */
2701
2702                         srv = smbc_server(context, True, server, "IPC$",
2703                                           workgroup, user, password);
2704                         if (!srv) {
2705                                 continue;
2706                         }
2707
2708                         dir->srv = srv;
2709                         dir->dir_type = SMBC_WORKGROUP;
2710
2711                         /* Now, list the stuff ... */
2712
2713                         if (!cli_NetServerEnum(srv->cli,
2714                                                workgroup,
2715                                                SV_TYPE_DOMAIN_ENUM,
2716                                                list_unique_wg_fn,
2717                                                (void *)dir)) {
2718                                 continue;
2719                         }
2720                 }
2721
2722                 SAFE_FREE(ip_list);
2723         } else {
2724                 /*
2725                  * Server not an empty string ... Check the rest and see what
2726                  * gives
2727                  */
2728                 if (*share == '\0') {
2729                         if (*path != '\0') {
2730
2731                                 /* Should not have empty share with path */
2732                                 errno = EINVAL + 8197;
2733                                 if (dir) {
2734                                         SAFE_FREE(dir->fname);
2735                                         SAFE_FREE(dir);
2736                                 }
2737                                 return NULL;
2738
2739                         }
2740
2741                         /*
2742                          * We don't know if <server> is really a server name
2743                          * or is a workgroup/domain name.  If we already have
2744                          * a server structure for it, we'll use it.
2745                          * Otherwise, check to see if <server><1D>,
2746                          * <server><1B>, or <server><20> translates.  We check
2747                          * to see if <server> is an IP address first.
2748                          */
2749
2750                         /*
2751                          * See if we have an existing server.  Do not
2752                          * establish a connection if one does not already
2753                          * exist.
2754                          */
2755                         srv = smbc_server(context, False, server, "IPC$",
2756                                           workgroup, user, password);
2757
2758                         /*
2759                          * If no existing server and not an IP addr, look for
2760                          * LMB or DMB
2761                          */
2762                         if (!srv &&
2763                             !is_ipaddress(server) &&
2764                             (resolve_name(server, &rem_ip, 0x1d) ||   /* LMB */
2765                              resolve_name(server, &rem_ip, 0x1b) )) { /* DMB */
2766
2767                                 fstring buserver;
2768
2769                                 dir->dir_type = SMBC_SERVER;
2770
2771                                 /*
2772                                  * Get the backup list ...
2773                                  */
2774                                 if (!name_status_find(server, 0, 0,
2775                                                       rem_ip, buserver)) {
2776
2777                                         DEBUG(0, ("Could not get name of "
2778                                                   "local/domain master browser "
2779                                                   "for server %s\n", server));
2780                                         if (dir) {
2781                                                 SAFE_FREE(dir->fname);
2782                                                 SAFE_FREE(dir);
2783                                         }
2784                                         errno = EPERM;
2785                                         return NULL;
2786
2787                                 }
2788
2789                                 /*
2790                                  * Get a connection to IPC$ on the server if
2791                                  * we do not already have one
2792                                  */
2793                                 srv = smbc_server(context, True,
2794                                                   buserver, "IPC$",
2795                                                   workgroup, user, password);
2796                                 if (!srv) {
2797                                         DEBUG(0, ("got no contact to IPC$\n"));
2798                                         if (dir) {
2799                                                 SAFE_FREE(dir->fname);
2800                                                 SAFE_FREE(dir);
2801                                         }
2802                                         return NULL;
2803
2804                                 }
2805
2806                                 dir->srv = srv;
2807
2808                                 /* Now, list the servers ... */
2809                                 if (!cli_NetServerEnum(srv->cli, server,
2810                                                        0x0000FFFE, list_fn,
2811                                                        (void *)dir)) {
2812
2813                                         if (dir) {
2814                                                 SAFE_FREE(dir->fname);
2815                                                 SAFE_FREE(dir);
2816                                         }
2817                                         return NULL;
2818                                 }
2819                         } else if (srv ||
2820                                    (resolve_name(server, &rem_ip, 0x20))) {
2821
2822                                 /* If we hadn't found the server, get one now */
2823                                 if (!srv) {
2824                                         srv = smbc_server(context, True,
2825                                                           server, "IPC$",
2826                                                           workgroup,
2827                                                           user, password);
2828                                 }
2829
2830                                 if (!srv) {
2831                                         if (dir) {
2832                                                 SAFE_FREE(dir->fname);
2833                                                 SAFE_FREE(dir);
2834                                         }
2835                                         return NULL;
2836
2837                                 }
2838
2839                                 dir->dir_type = SMBC_FILE_SHARE;
2840                                 dir->srv = srv;
2841
2842                                 /* List the shares ... */
2843
2844                                 if (net_share_enum_rpc(
2845                                             srv->cli,
2846                                             list_fn,
2847                                             (void *) dir) < 0 &&
2848                                     cli_RNetShareEnum(
2849                                             srv->cli,
2850                                             list_fn,
2851                                             (void *)dir) < 0) {
2852
2853                                         errno = cli_errno(srv->cli);
2854                                         if (dir) {
2855                                                 SAFE_FREE(dir->fname);
2856                                                 SAFE_FREE(dir);
2857                                         }
2858                                         return NULL;
2859
2860                                 }
2861                         } else {
2862                                 /* Neither the workgroup nor server exists */
2863                                 errno = ECONNREFUSED;
2864                                 if (dir) {
2865                                         SAFE_FREE(dir->fname);
2866                                         SAFE_FREE(dir);
2867                                 }
2868                                 return NULL;
2869                         }
2870
2871                 }
2872                 else {
2873                         /*
2874                          * The server and share are specified ... work from
2875                          * there ...
2876                          */
2877                         pstring targetpath;
2878                         struct cli_state *targetcli;
2879
2880                         /* We connect to the server and list the directory */
2881                         dir->dir_type = SMBC_FILE_SHARE;
2882
2883                         srv = smbc_server(context, True, server, share,
2884                                           workgroup, user, password);
2885
2886                         if (!srv) {
2887
2888                                 if (dir) {
2889                                         SAFE_FREE(dir->fname);
2890                                         SAFE_FREE(dir);
2891                                 }
2892                                 return NULL;
2893
2894                         }
2895
2896                         dir->srv = srv;
2897
2898                         /* Now, list the files ... */
2899
2900                         p = path + strlen(path);
2901                         pstrcat(path, "\\*");
2902
2903                         if (!cli_resolve_path("", srv->cli, path,
2904                                               &targetcli, targetpath))
2905                         {
2906                                 d_printf("Could not resolve %s\n", path);
2907                                 if (dir) {
2908                                         SAFE_FREE(dir->fname);
2909                                         SAFE_FREE(dir);
2910                                 }
2911                                 return NULL;
2912                         }
2913
2914                         if (cli_list(targetcli, targetpath,
2915                                      aDIR | aSYSTEM | aHIDDEN,
2916                                      dir_list_fn, (void *)dir) < 0) {
2917
2918                                 if (dir) {
2919                                         SAFE_FREE(dir->fname);
2920                                         SAFE_FREE(dir);
2921                                 }
2922                                 saved_errno = smbc_errno(context, targetcli);
2923
2924                                 if (saved_errno == EINVAL) {
2925                                     /*
2926                                      * See if they asked to opendir something
2927                                      * other than a directory.  If so, the
2928                                      * converted error value we got would have
2929                                      * been EINVAL rather than ENOTDIR.
2930                                      */
2931                                     *p = '\0'; /* restore original path */
2932
2933                                     if (smbc_getatr(context, srv, path,
2934                                                     &mode, NULL,
2935                                                     NULL, NULL, NULL, NULL,
2936                                                     NULL) &&
2937                                         ! IS_DOS_DIR(mode)) {
2938
2939                                         /* It is.  Correct the error value */
2940                                         saved_errno = ENOTDIR;
2941                                     }
2942                                 }
2943
2944                                 /*
2945                                  * If there was an error and the server is no
2946                                  * good any more...
2947                                  */
2948                                 cb = &context->callbacks;
2949                                 if (cli_is_error(targetcli) &&
2950                                     cb->check_server_fn(context, srv)) {
2951
2952                                     /* ... then remove it. */
2953                                     if (cb->remove_unused_server_fn(context,
2954                                                                     srv)) {
2955                                         /*
2956                                          * We could not remove the server
2957                                          * completely, remove it from the
2958                                          * cache so we will not get it
2959                                          * again. It will be removed when the
2960                                          * last file/dir is closed.
2961                                          */
2962                                         cb->remove_cached_srv_fn(context, srv);
2963                                     }
2964                                 }
2965
2966                                 errno = saved_errno;
2967                                 return NULL;
2968                         }
2969                 }
2970
2971         }
2972
2973         DLIST_ADD(context->internal->_files, dir);
2974         return dir;
2975
2976 }
2977
2978 /*
2979  * Routine to close a directory
2980  */
2981
2982 static int
2983 smbc_closedir_ctx(SMBCCTX *context,
2984                   SMBCFILE *dir)
2985 {
2986
2987         if (!context || !context->internal ||
2988             !context->internal->_initialized) {
2989
2990                 errno = EINVAL;
2991                 return -1;
2992
2993         }
2994
2995         if (!dir || !DLIST_CONTAINS(context->internal->_files, dir)) {
2996
2997                 errno = EBADF;
2998                 return -1;
2999
3000         }
3001
3002         smbc_remove_dir(dir); /* Clean it up */
3003
3004         DLIST_REMOVE(context->internal->_files, dir);
3005
3006         if (dir) {
3007
3008                 SAFE_FREE(dir->fname);
3009                 SAFE_FREE(dir);    /* Free the space too */
3010         }
3011
3012         return 0;
3013
3014 }
3015
3016 static void
3017 smbc_readdir_internal(SMBCCTX * context,
3018                       struct smbc_dirent *dest,
3019                       struct smbc_dirent *src,
3020                       int max_namebuf_len)
3021 {
3022         if (context->options.urlencode_readdir_entries) {
3023
3024                 /* url-encode the name.  get back remaining buffer space */
3025                 max_namebuf_len =
3026                         smbc_urlencode(dest->name, src->name, max_namebuf_len);
3027
3028                 /* We now know the name length */
3029                 dest->namelen = strlen(dest->name);
3030
3031                 /* Save the pointer to the beginning of the comment */
3032                 dest->comment = dest->name + dest->namelen + 1;
3033
3034                 /* Copy the comment */
3035                 strncpy(dest->comment, src->comment, max_namebuf_len - 1);
3036                 dest->comment[max_namebuf_len - 1] = '\0';
3037
3038                 /* Save other fields */
3039                 dest->smbc_type = src->smbc_type;
3040                 dest->commentlen = strlen(dest->comment);
3041                 dest->dirlen = ((dest->comment + dest->commentlen + 1) -
3042                                 (char *) dest);
3043         } else {
3044
3045                 /* No encoding.  Just copy the entry as is. */
3046                 memcpy(dest, src, src->dirlen);
3047                 dest->comment = (char *)(&dest->name + src->namelen + 1);
3048         }
3049
3050 }
3051
3052 /*
3053  * Routine to get a directory entry
3054  */
3055
3056 struct smbc_dirent *
3057 smbc_readdir_ctx(SMBCCTX *context,
3058                  SMBCFILE *dir)
3059 {
3060         int maxlen;
3061         struct smbc_dirent *dirp, *dirent;
3062
3063         /* Check that all is ok first ... */
3064
3065         if (!context || !context->internal ||
3066             !context->internal->_initialized) {
3067
3068                 errno = EINVAL;
3069                 DEBUG(0, ("Invalid context in smbc_readdir_ctx()\n"));
3070                 return NULL;
3071
3072         }
3073
3074         if (!dir || !DLIST_CONTAINS(context->internal->_files, dir)) {
3075
3076                 errno = EBADF;
3077                 DEBUG(0, ("Invalid dir in smbc_readdir_ctx()\n"));
3078                 return NULL;
3079
3080         }
3081
3082         if (dir->file != False) { /* FIXME, should be dir, perhaps */
3083
3084                 errno = ENOTDIR;
3085                 DEBUG(0, ("Found file vs directory in smbc_readdir_ctx()\n"));
3086                 return NULL;
3087
3088         }
3089
3090         if (!dir->dir_next) {
3091                 return NULL;
3092         }
3093
3094         dirent = dir->dir_next->dirent;
3095         if (!dirent) {
3096
3097                 errno = ENOENT;
3098                 return NULL;
3099
3100         }
3101
3102         dirp = (struct smbc_dirent *)context->internal->_dirent;
3103         maxlen = (sizeof(context->internal->_dirent) -
3104                   sizeof(struct smbc_dirent));
3105
3106         smbc_readdir_internal(context, dirp, dirent, maxlen);
3107
3108         dir->dir_next = dir->dir_next->next;
3109
3110         return dirp;
3111 }
3112
3113 /*
3114  * Routine to get directory entries
3115  */
3116
3117 static int
3118 smbc_getdents_ctx(SMBCCTX *context,
3119                   SMBCFILE *dir,
3120                   struct smbc_dirent *dirp,
3121                   int count)
3122 {
3123         int rem = count;
3124         int reqd;
3125         int maxlen;
3126         char *ndir = (char *)dirp;
3127         struct smbc_dir_list *dirlist;
3128
3129         /* Check that all is ok first ... */
3130
3131         if (!context || !context->internal ||
3132             !context->internal->_initialized) {
3133
3134                 errno = EINVAL;
3135                 return -1;
3136
3137         }
3138
3139         if (!dir || !DLIST_CONTAINS(context->internal->_files, dir)) {
3140
3141                 errno = EBADF;
3142                 return -1;
3143
3144         }
3145
3146         if (dir->file != False) { /* FIXME, should be dir, perhaps */
3147
3148                 errno = ENOTDIR;
3149                 return -1;
3150
3151         }
3152
3153         /*
3154          * Now, retrieve the number of entries that will fit in what was passed
3155          * We have to figure out if the info is in the list, or we need to
3156          * send a request to the server to get the info.
3157          */
3158
3159         while ((dirlist = dir->dir_next)) {
3160                 struct smbc_dirent *dirent;
3161
3162                 if (!dirlist->dirent) {
3163
3164                         errno = ENOENT;  /* Bad error */
3165                         return -1;
3166
3167                 }
3168
3169                 /* Do urlencoding of next entry, if so selected */
3170                 dirent = (struct smbc_dirent *)context->internal->_dirent;
3171                 maxlen = (sizeof(context->internal->_dirent) -
3172                           sizeof(struct smbc_dirent));
3173                 smbc_readdir_internal(context, dirent, dirlist->dirent, maxlen);
3174
3175                 reqd = dirent->dirlen;
3176
3177                 if (rem < reqd) {
3178
3179                         if (rem < count) { /* We managed to copy something */
3180
3181                                 errno = 0;
3182                                 return count - rem;
3183
3184                         }
3185                         else { /* Nothing copied ... */
3186
3187                                 errno = EINVAL;  /* Not enough space ... */
3188                                 return -1;
3189
3190                         }
3191
3192                 }
3193
3194                 memcpy(ndir, dirent, reqd); /* Copy the data in ... */
3195
3196                 ((struct smbc_dirent *)ndir)->comment =
3197                         (char *)(&((struct smbc_dirent *)ndir)->name +
3198                                  dirent->namelen +
3199                                  1);
3200
3201                 ndir += reqd;
3202
3203                 rem -= reqd;
3204
3205                 dir->dir_next = dirlist = dirlist -> next;
3206         }
3207
3208         if (rem == count)
3209                 return 0;
3210         else
3211                 return count - rem;
3212
3213 }
3214
3215 /*
3216  * Routine to create a directory ...
3217  */
3218
3219 static int
3220 smbc_mkdir_ctx(SMBCCTX *context,
3221                const char *fname,
3222                mode_t mode)
3223 {
3224         SMBCSRV *srv;
3225         fstring server;
3226         fstring share;
3227         fstring user;
3228         fstring password;
3229         fstring workgroup;
3230         pstring path, targetpath;
3231         struct cli_state *targetcli;
3232
3233         if (!context || !context->internal ||
3234             !context->internal->_initialized) {
3235
3236                 errno = EINVAL;
3237                 return -1;
3238
3239         }
3240
3241         if (!fname) {
3242
3243                 errno = EINVAL;
3244                 return -1;
3245
3246         }
3247
3248         DEBUG(4, ("smbc_mkdir(%s)\n", fname));
3249
3250         if (smbc_parse_path(context, fname,
3251                             workgroup, sizeof(workgroup),
3252                             server, sizeof(server),
3253                             share, sizeof(share),
3254                             path, sizeof(path),
3255                             user, sizeof(user),
3256                             password, sizeof(password),
3257                             NULL, 0)) {
3258                 errno = EINVAL;
3259                 return -1;
3260         }
3261
3262         if (user[0] == (char)0) fstrcpy(user, context->user);
3263
3264         srv = smbc_server(context, True,
3265                           server, share, workgroup, user, password);
3266
3267         if (!srv) {
3268
3269                 return -1;  /* errno set by smbc_server */
3270
3271         }
3272
3273         /*d_printf(">>>mkdir: resolving %s\n", path);*/
3274         if (!cli_resolve_path( "", srv->cli, path, &targetcli, targetpath))
3275         {
3276                 d_printf("Could not resolve %s\n", path);
3277                 return -1;
3278         }
3279         /*d_printf(">>>mkdir: resolved path as %s\n", targetpath);*/
3280
3281         if (!cli_mkdir(targetcli, targetpath)) {
3282
3283                 errno = smbc_errno(context, targetcli);
3284                 return -1;
3285
3286         }
3287
3288         return 0;
3289
3290 }
3291
3292 /*
3293  * Our list function simply checks to see if a directory is not empty
3294  */
3295
3296 static int smbc_rmdir_dirempty = True;
3297
3298 static void
3299 rmdir_list_fn(const char *mnt,
3300               file_info *finfo,
3301               const char *mask,
3302               void *state)
3303 {
3304         if (strncmp(finfo->name, ".", 1) != 0 &&
3305             strncmp(finfo->name, "..", 2) != 0) {
3306
3307                 smbc_rmdir_dirempty = False;
3308         }
3309 }
3310
3311 /*
3312  * Routine to remove a directory
3313  */
3314
3315 static int
3316 smbc_rmdir_ctx(SMBCCTX *context,
3317                const char *fname)
3318 {
3319         SMBCSRV *srv;
3320         fstring server;
3321         fstring share;
3322         fstring user;
3323         fstring password;
3324         fstring workgroup;
3325         pstring path;
3326         pstring targetpath;
3327         struct cli_state *targetcli;
3328
3329         if (!context || !context->internal ||
3330             !context->internal->_initialized) {
3331
3332                 errno = EINVAL;
3333                 return -1;
3334
3335         }
3336
3337         if (!fname) {
3338
3339                 errno = EINVAL;
3340                 return -1;
3341
3342         }
3343
3344         DEBUG(4, ("smbc_rmdir(%s)\n", fname));
3345
3346         if (smbc_parse_path(context, fname,
3347                             workgroup, sizeof(workgroup),
3348                             server, sizeof(server),
3349                             share, sizeof(share),
3350                             path, sizeof(path),
3351                             user, sizeof(user),
3352                             password, sizeof(password),
3353                             NULL, 0))
3354         {
3355                 errno = EINVAL;
3356                 return -1;
3357         }
3358
3359         if (user[0] == (char)0) fstrcpy(user, context->user);
3360
3361         srv = smbc_server(context, True,
3362                           server, share, workgroup, user, password);
3363
3364         if (!srv) {
3365
3366                 return -1;  /* errno set by smbc_server */
3367
3368         }
3369
3370         /*d_printf(">>>rmdir: resolving %s\n", path);*/
3371         if (!cli_resolve_path( "", srv->cli, path, &targetcli, targetpath))
3372         {
3373                 d_printf("Could not resolve %s\n", path);
3374                 return -1;
3375         }
3376         /*d_printf(">>>rmdir: resolved path as %s\n", targetpath);*/
3377
3378
3379         if (!cli_rmdir(targetcli, targetpath)) {
3380
3381                 errno = smbc_errno(context, targetcli);
3382
3383                 if (errno == EACCES) {  /* Check if the dir empty or not */
3384
3385                         /* Local storage to avoid buffer overflows */
3386                         pstring lpath;
3387
3388                         smbc_rmdir_dirempty = True;  /* Make this so ... */
3389
3390                         pstrcpy(lpath, targetpath);
3391                         pstrcat(lpath, "\\*");
3392
3393                         if (cli_list(targetcli, lpath,
3394                                      aDIR | aSYSTEM | aHIDDEN,
3395                                      rmdir_list_fn, NULL) < 0) {
3396
3397                                 /* Fix errno to ignore latest error ... */
3398                                 DEBUG(5, ("smbc_rmdir: "
3399                                           "cli_list returned an error: %d\n",
3400                                           smbc_errno(context, targetcli)));
3401                                 errno = EACCES;
3402
3403                         }
3404
3405                         if (smbc_rmdir_dirempty)
3406                                 errno = EACCES;
3407                         else
3408                                 errno = ENOTEMPTY;
3409
3410                 }
3411
3412                 return -1;
3413
3414         }
3415
3416         return 0;
3417
3418 }
3419
3420 /*
3421  * Routine to return the current directory position
3422  */
3423
3424 static off_t
3425 smbc_telldir_ctx(SMBCCTX *context,
3426                  SMBCFILE *dir)
3427 {
3428         off_t ret_val; /* Squash warnings about cast */
3429
3430         if (!context || !context->internal ||
3431             !context->internal->_initialized) {
3432
3433                 errno = EINVAL;
3434                 return -1;
3435
3436         }
3437
3438         if (!dir || !DLIST_CONTAINS(context->internal->_files, dir)) {
3439
3440                 errno = EBADF;
3441                 return -1;
3442
3443         }
3444
3445         if (dir->file != False) { /* FIXME, should be dir, perhaps */
3446
3447                 errno = ENOTDIR;
3448                 return -1;
3449
3450         }
3451
3452         /*
3453          * We return the pointer here as the offset
3454          */
3455         ret_val = (off_t)(long)dir->dir_next;
3456         return ret_val;
3457
3458 }
3459
3460 /*
3461  * A routine to run down the list and see if the entry is OK
3462  */
3463
3464 struct smbc_dir_list *
3465 smbc_check_dir_ent(struct smbc_dir_list *list,
3466                    struct smbc_dirent *dirent)
3467 {
3468
3469         /* Run down the list looking for what we want */
3470
3471         if (dirent) {
3472
3473                 struct smbc_dir_list *tmp = list;
3474
3475                 while (tmp) {
3476
3477                         if (tmp->dirent == dirent)
3478                                 return tmp;
3479
3480                         tmp = tmp->next;
3481
3482                 }
3483
3484         }
3485
3486         return NULL;  /* Not found, or an error */
3487
3488 }
3489
3490
3491 /*
3492  * Routine to seek on a directory
3493  */
3494
3495 static int
3496 smbc_lseekdir_ctx(SMBCCTX *context,
3497                   SMBCFILE *dir,
3498                   off_t offset)
3499 {
3500         long int l_offset = offset;  /* Handle problems of size */
3501         struct smbc_dirent *dirent = (struct smbc_dirent *)l_offset;
3502         struct smbc_dir_list *list_ent = (struct smbc_dir_list *)NULL;
3503
3504         if (!context || !context->internal ||
3505             !context->internal->_initialized) {
3506
3507                 errno = EINVAL;
3508                 return -1;
3509
3510         }
3511
3512         if (dir->file != False) { /* FIXME, should be dir, perhaps */
3513
3514                 errno = ENOTDIR;
3515                 return -1;
3516
3517         }
3518
3519         /* Now, check what we were passed and see if it is OK ... */
3520
3521         if (dirent == NULL) {  /* Seek to the begining of the list */
3522
3523                 dir->dir_next = dir->dir_list;
3524                 return 0;
3525
3526         }
3527
3528         /* Now, run down the list and make sure that the entry is OK       */
3529         /* This may need to be changed if we change the format of the list */
3530
3531         if ((list_ent = smbc_check_dir_ent(dir->dir_list, dirent)) == NULL) {
3532
3533                 errno = EINVAL;   /* Bad entry */
3534                 return -1;
3535
3536         }
3537
3538         dir->dir_next = list_ent;
3539
3540         return 0;
3541
3542 }
3543
3544 /*
3545  * Routine to fstat a dir
3546  */
3547
3548 static int
3549 smbc_fstatdir_ctx(SMBCCTX *context,
3550                   SMBCFILE *dir,
3551                   struct stat *st)
3552 {
3553
3554         if (!context || !context->internal ||
3555             !context->internal->_initialized) {
3556
3557                 errno = EINVAL;
3558                 return -1;
3559
3560         }
3561
3562         /* No code yet ... */
3563
3564         return 0;
3565
3566 }
3567
3568 static int
3569 smbc_chmod_ctx(SMBCCTX *context,
3570                const char *fname,
3571                mode_t newmode)
3572 {
3573         SMBCSRV *srv;
3574         fstring server;
3575         fstring share;
3576         fstring user;
3577         fstring password;
3578         fstring workgroup;
3579         pstring path;
3580         uint16 mode;
3581
3582         if (!context || !context->internal ||
3583             !context->internal->_initialized) {
3584
3585                 errno = EINVAL;  /* Best I can think of ... */
3586                 return -1;
3587
3588         }
3589
3590         if (!fname) {
3591
3592                 errno = EINVAL;
3593                 return -1;
3594
3595         }
3596
3597         DEBUG(4, ("smbc_chmod(%s, 0%3o)\n", fname, newmode));
3598
3599         if (smbc_parse_path(context, fname,
3600                             workgroup, sizeof(workgroup),
3601                             server, sizeof(server),
3602                             share, sizeof(share),
3603                             path, sizeof(path),
3604                             user, sizeof(user),
3605                             password, sizeof(password),
3606                             NULL, 0)) {
3607                 errno = EINVAL;
3608                 return -1;
3609         }
3610
3611         if (user[0] == (char)0) fstrcpy(user, context->user);
3612
3613         srv = smbc_server(context, True,
3614                           server, share, workgroup, user, password);
3615
3616         if (!srv) {
3617                 return -1;  /* errno set by smbc_server */
3618         }
3619
3620         mode = 0;
3621
3622         if (!(newmode & (S_IWUSR | S_IWGRP | S_IWOTH))) mode |= aRONLY;
3623         if ((newmode & S_IXUSR) && lp_map_archive(-1)) mode |= aARCH;
3624         if ((newmode & S_IXGRP) && lp_map_system(-1)) mode |= aSYSTEM;
3625         if ((newmode & S_IXOTH) && lp_map_hidden(-1)) mode |= aHIDDEN;
3626
3627         if (!cli_setatr(srv->cli, path, mode, 0)) {
3628                 errno = smbc_errno(context, srv->cli);
3629                 return -1;
3630         }
3631
3632         return 0;
3633 }
3634
3635 static int
3636 smbc_utimes_ctx(SMBCCTX *context,
3637                 const char *fname,
3638                 struct timeval *tbuf)
3639 {
3640         SMBCSRV *srv;
3641         fstring server;
3642         fstring share;
3643         fstring user;
3644         fstring password;
3645         fstring workgroup;
3646         pstring path;
3647         time_t access_time;
3648         time_t write_time;
3649
3650         if (!context || !context->internal ||
3651             !context->internal->_initialized) {
3652
3653                 errno = EINVAL;  /* Best I can think of ... */
3654                 return -1;
3655
3656         }
3657
3658         if (!fname) {
3659
3660                 errno = EINVAL;
3661                 return -1;
3662
3663         }
3664
3665         if (tbuf == NULL) {
3666                 access_time = write_time = time(NULL);
3667         } else {
3668                 access_time = tbuf[0].tv_sec;
3669                 write_time = tbuf[1].tv_sec;
3670         }
3671
3672         if (DEBUGLVL(4))
3673         {
3674                 char *p;
3675                 char atimebuf[32];
3676                 char mtimebuf[32];
3677
3678                 strncpy(atimebuf, ctime(&access_time), sizeof(atimebuf) - 1);
3679                 atimebuf[sizeof(atimebuf) - 1] = '\0';
3680                 if ((p = strchr(atimebuf, '\n')) != NULL) {
3681                         *p = '\0';
3682                 }
3683
3684                 strncpy(mtimebuf, ctime(&write_time), sizeof(mtimebuf) - 1);
3685                 mtimebuf[sizeof(mtimebuf) - 1] = '\0';
3686                 if ((p = strchr(mtimebuf, '\n')) != NULL) {
3687                         *p = '\0';
3688                 }
3689
3690                 dbgtext("smbc_utimes(%s, atime = %s mtime = %s)\n",
3691                         fname, atimebuf, mtimebuf);
3692         }
3693
3694         if (smbc_parse_path(context, fname,
3695                             workgroup, sizeof(workgroup),
3696                             server, sizeof(server),
3697                             share, sizeof(share),
3698                             path, sizeof(path),
3699                             user, sizeof(user),
3700                             password, sizeof(password),
3701                             NULL, 0)) {
3702                 errno = EINVAL;
3703                 return -1;
3704         }
3705
3706         if (user[0] == (char)0) fstrcpy(user, context->user);
3707
3708         srv = smbc_server(context, True,
3709                           server, share, workgroup, user, password);
3710
3711         if (!srv) {
3712                 return -1;      /* errno set by smbc_server */
3713         }
3714
3715         if (!smbc_setatr(context, srv, path,
3716                          0, access_time, write_time, 0, 0)) {
3717                 return -1;      /* errno set by smbc_setatr */
3718         }
3719
3720         return 0;
3721 }
3722
3723
3724 /* The MSDN is contradictory over the ordering of ACE entries in an ACL.
3725    However NT4 gives a "The information may have been modified by a
3726    computer running Windows NT 5.0" if denied ACEs do not appear before
3727    allowed ACEs. */
3728
3729 static int
3730 ace_compare(SEC_ACE *ace1,
3731             SEC_ACE *ace2)
3732 {
3733         if (sec_ace_equal(ace1, ace2))
3734                 return 0;
3735
3736         if (ace1->type != ace2->type)
3737                 return ace2->type - ace1->type;
3738
3739         if (sid_compare(&ace1->trustee, &ace2->trustee))
3740                 return sid_compare(&ace1->trustee, &ace2->trustee);
3741
3742         if (ace1->flags != ace2->flags)
3743                 return ace1->flags - ace2->flags;
3744
3745         if (ace1->info.mask != ace2->info.mask)
3746                 return ace1->info.mask - ace2->info.mask;
3747
3748         if (ace1->size != ace2->size)
3749                 return ace1->size - ace2->size;
3750
3751         return memcmp(ace1, ace2, sizeof(SEC_ACE));
3752 }
3753
3754
3755 static void
3756 sort_acl(SEC_ACL *the_acl)
3757 {
3758         uint32 i;
3759         if (!the_acl) return;
3760
3761         qsort(the_acl->ace, the_acl->num_aces, sizeof(the_acl->ace[0]),
3762               QSORT_CAST ace_compare);
3763
3764         for (i=1;i<the_acl->num_aces;) {
3765                 if (sec_ace_equal(&the_acl->ace[i-1], &the_acl->ace[i])) {
3766                         int j;
3767                         for (j=i; j<the_acl->num_aces-1; j++) {
3768                                 the_acl->ace[j] = the_acl->ace[j+1];
3769                         }
3770                         the_acl->num_aces--;
3771                 } else {
3772                         i++;
3773                 }
3774         }
3775 }
3776
3777 /* convert a SID to a string, either numeric or username/group */
3778 static void
3779 convert_sid_to_string(struct cli_state *ipc_cli,
3780                       POLICY_HND *pol,
3781                       fstring str,
3782                       BOOL numeric,
3783                       DOM_SID *sid)
3784 {
3785         char **domains = NULL;
3786         char **names = NULL;
3787         enum lsa_SidType *types = NULL;
3788         struct rpc_pipe_client *pipe_hnd = find_lsa_pipe_hnd(ipc_cli);
3789         sid_to_string(str, sid);
3790
3791         if (numeric) {
3792                 return;     /* no lookup desired */
3793         }
3794
3795         if (!pipe_hnd) {
3796                 return;
3797         }
3798
3799         /* Ask LSA to convert the sid to a name */
3800
3801         if (!NT_STATUS_IS_OK(rpccli_lsa_lookup_sids(pipe_hnd, ipc_cli->mem_ctx,
3802                                                  pol, 1, sid, &domains,
3803                                                  &names, &types)) ||
3804             !domains || !domains[0] || !names || !names[0]) {
3805                 return;
3806         }
3807
3808         /* Converted OK */
3809
3810         slprintf(str, sizeof(fstring) - 1, "%s%s%s",
3811                  domains[0], lp_winbind_separator(),
3812                  names[0]);
3813 }
3814
3815 /* convert a string to a SID, either numeric or username/group */
3816 static BOOL
3817 convert_string_to_sid(struct cli_state *ipc_cli,
3818                       POLICY_HND *pol,
3819                       BOOL numeric,
3820                       DOM_SID *sid,
3821                       const char *str)
3822 {
3823         enum lsa_SidType *types = NULL;
3824         DOM_SID *sids = NULL;
3825         BOOL result = True;
3826         struct rpc_pipe_client *pipe_hnd = find_lsa_pipe_hnd(ipc_cli);
3827
3828         if (!pipe_hnd) {
3829                 return False;
3830         }
3831
3832         if (numeric) {
3833                 if (strncmp(str, "S-", 2) == 0) {
3834                         return string_to_sid(sid, str);
3835                 }
3836
3837                 result = False;
3838                 goto done;
3839         }
3840
3841         if (!NT_STATUS_IS_OK(rpccli_lsa_lookup_names(pipe_hnd, ipc_cli->mem_ctx,
3842                                                   pol, 1, &str, NULL, &sids,
3843                                                   &types))) {
3844                 result = False;
3845                 goto done;
3846         }
3847
3848         sid_copy(sid, &sids[0]);
3849  done:
3850
3851         return result;
3852 }
3853
3854
3855 /* parse an ACE in the same format as print_ace() */
3856 static BOOL
3857 parse_ace(struct cli_state *ipc_cli,
3858           POLICY_HND *pol,
3859           SEC_ACE *ace,
3860           BOOL numeric,
3861           char *str)
3862 {
3863         char *p;
3864         const char *cp;
3865         fstring tok;
3866         unsigned int atype;
3867         unsigned int aflags;
3868         unsigned int amask;
3869         DOM_SID sid;
3870         SEC_ACCESS mask;
3871         const struct perm_value *v;
3872         struct perm_value {
3873                 const char *perm;
3874                 uint32 mask;
3875         };
3876
3877         /* These values discovered by inspection */
3878         static const struct perm_value special_values[] = {
3879                 { "R", 0x00120089 },
3880                 { "W", 0x00120116 },
3881                 { "X", 0x001200a0 },
3882                 { "D", 0x00010000 },
3883                 { "P", 0x00040000 },
3884                 { "O", 0x00080000 },
3885                 { NULL, 0 },
3886         };
3887
3888         static const struct perm_value standard_values[] = {
3889                 { "READ",   0x001200a9 },
3890                 { "CHANGE", 0x001301bf },
3891                 { "FULL",   0x001f01ff },
3892                 { NULL, 0 },
3893         };
3894
3895
3896         ZERO_STRUCTP(ace);
3897         p = strchr_m(str,':');
3898         if (!p) return False;
3899         *p = '\0';
3900         p++;
3901         /* Try to parse numeric form */
3902
3903         if (sscanf(p, "%i/%i/%i", &atype, &aflags, &amask) == 3 &&
3904             convert_string_to_sid(ipc_cli, pol, numeric, &sid, str)) {
3905                 goto done;
3906         }
3907
3908         /* Try to parse text form */
3909
3910         if (!convert_string_to_sid(ipc_cli, pol, numeric, &sid, str)) {
3911                 return False;
3912         }
3913
3914         cp = p;
3915         if (!next_token(&cp, tok, "/", sizeof(fstring))) {
3916                 return False;
3917         }
3918
3919         if (StrnCaseCmp(tok, "ALLOWED", strlen("ALLOWED")) == 0) {
3920                 atype = SEC_ACE_TYPE_ACCESS_ALLOWED;
3921         } else if (StrnCaseCmp(tok, "DENIED", strlen("DENIED")) == 0) {
3922                 atype = SEC_ACE_TYPE_ACCESS_DENIED;
3923         } else {
3924                 return False;
3925         }
3926
3927         /* Only numeric form accepted for flags at present */
3928
3929         if (!(next_token(&cp, tok, "/", sizeof(fstring)) &&
3930               sscanf(tok, "%i", &aflags))) {
3931                 return False;
3932         }
3933
3934         if (!next_token(&cp, tok, "/", sizeof(fstring))) {
3935                 return False;
3936         }
3937
3938         if (strncmp(tok, "0x", 2) == 0) {
3939                 if (sscanf(tok, "%i", &amask) != 1) {
3940                         return False;
3941                 }
3942                 goto done;
3943         }
3944
3945         for (v = standard_values; v->perm; v++) {
3946                 if (strcmp(tok, v->perm) == 0) {
3947                         amask = v->mask;
3948                         goto done;
3949                 }
3950         }
3951
3952         p = tok;
3953
3954         while(*p) {
3955                 BOOL found = False;
3956
3957                 for (v = special_values; v->perm; v++) {
3958                         if (v->perm[0] == *p) {
3959                                 amask |= v->mask;
3960                                 found = True;
3961                         }
3962                 }
3963
3964                 if (!found) return False;
3965                 p++;
3966         }
3967
3968         if (*p) {
3969                 return False;
3970         }
3971
3972  done:
3973         mask.mask = amask;
3974         init_sec_ace(ace, &sid, atype, mask, aflags);
3975         return True;
3976 }
3977
3978 /* add an ACE to a list of ACEs in a SEC_ACL */
3979 static BOOL
3980 add_ace(SEC_ACL **the_acl,
3981         SEC_ACE *ace,
3982         TALLOC_CTX *ctx)
3983 {
3984         SEC_ACL *newacl;
3985         SEC_ACE *aces;
3986
3987         if (! *the_acl) {
3988                 (*the_acl) = make_sec_acl(ctx, 3, 1, ace);
3989                 return True;
3990         }
3991
3992         if ((aces = SMB_CALLOC_ARRAY(SEC_ACE, 1+(*the_acl)->num_aces)) == NULL) {
3993                 return False;
3994         }
3995         memcpy(aces, (*the_acl)->ace, (*the_acl)->num_aces * sizeof(SEC_ACE));
3996         memcpy(aces+(*the_acl)->num_aces, ace, sizeof(SEC_ACE));
3997         newacl = make_sec_acl(ctx, (*the_acl)->revision,
3998                               1+(*the_acl)->num_aces, aces);
3999         SAFE_FREE(aces);
4000         (*the_acl) = newacl;
4001         return True;
4002 }
4003
4004
4005 /* parse a ascii version of a security descriptor */
4006 static SEC_DESC *
4007 sec_desc_parse(TALLOC_CTX *ctx,
4008                struct cli_state *ipc_cli,
4009                POLICY_HND *pol,
4010                BOOL numeric,
4011                char *str)
4012 {
4013         const char *p = str;
4014         fstring tok;
4015         SEC_DESC *ret = NULL;
4016         size_t sd_size;
4017         DOM_SID *grp_sid=NULL;
4018         DOM_SID *owner_sid=NULL;
4019         SEC_ACL *dacl=NULL;
4020         int revision=1;
4021
4022         while (next_token(&p, tok, "\t,\r\n", sizeof(tok))) {
4023
4024                 if (StrnCaseCmp(tok,"REVISION:", 9) == 0) {
4025                         revision = strtol(tok+9, NULL, 16);
4026                         continue;
4027                 }
4028
4029                 if (StrnCaseCmp(tok,"OWNER:", 6) == 0) {
4030                         if (owner_sid) {
4031                                 DEBUG(5, ("OWNER specified more than once!\n"));
4032                                 goto done;
4033                         }
4034                         owner_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
4035                         if (!owner_sid ||
4036                             !convert_string_to_sid(ipc_cli, pol,
4037                                                    numeric,
4038                                                    owner_sid, tok+6)) {
4039                                 DEBUG(5, ("Failed to parse owner sid\n"));
4040                                 goto done;
4041                         }
4042                         continue;
4043                 }
4044
4045                 if (StrnCaseCmp(tok,"OWNER+:", 7) == 0) {
4046                         if (owner_sid) {
4047                                 DEBUG(5, ("OWNER specified more than once!\n"));
4048                                 goto done;
4049                         }
4050                         owner_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
4051                         if (!owner_sid ||
4052                             !convert_string_to_sid(ipc_cli, pol,
4053                                                    False,
4054                                                    owner_sid, tok+7)) {
4055                                 DEBUG(5, ("Failed to parse owner sid\n"));
4056                                 goto done;
4057                         }
4058                         continue;
4059                 }
4060
4061                 if (StrnCaseCmp(tok,"GROUP:", 6) == 0) {
4062                         if (grp_sid) {
4063                                 DEBUG(5, ("GROUP specified more than once!\n"));
4064                                 goto done;
4065                         }
4066                         grp_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
4067                         if (!grp_sid ||
4068                             !convert_string_to_sid(ipc_cli, pol,
4069                                                    numeric,
4070                                                    grp_sid, tok+6)) {
4071                                 DEBUG(5, ("Failed to parse group sid\n"));
4072                                 goto done;
4073                         }
4074                         continue;
4075                 }
4076
4077                 if (StrnCaseCmp(tok,"GROUP+:", 7) == 0) {
4078                         if (grp_sid) {
4079                                 DEBUG(5, ("GROUP specified more than once!\n"));
4080                                 goto done;
4081                         }
4082                         grp_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
4083                         if (!grp_sid ||
4084                             !convert_string_to_sid(ipc_cli, pol,
4085                                                    False,
4086                                                    grp_sid, tok+6)) {
4087                                 DEBUG(5, ("Failed to parse group sid\n"));
4088                                 goto done;
4089                         }
4090                         continue;
4091                 }
4092
4093                 if (StrnCaseCmp(tok,"ACL:", 4) == 0) {
4094                         SEC_ACE ace;
4095                         if (!parse_ace(ipc_cli, pol, &ace, numeric, tok+4)) {
4096                                 DEBUG(5, ("Failed to parse ACL %s\n", tok));
4097                                 goto done;
4098                         }
4099                         if(!add_ace(&dacl, &ace, ctx)) {
4100                                 DEBUG(5, ("Failed to add ACL %s\n", tok));
4101                                 goto done;
4102                         }
4103                         continue;
4104                 }
4105
4106                 if (StrnCaseCmp(tok,"ACL+:", 5) == 0) {
4107                         SEC_ACE ace;
4108                         if (!parse_ace(ipc_cli, pol, &ace, False, tok+5)) {
4109                                 DEBUG(5, ("Failed to parse ACL %s\n", tok));
4110                                 goto done;
4111                         }
4112                         if(!add_ace(&dacl, &ace, ctx)) {
4113                                 DEBUG(5, ("Failed to add ACL %s\n", tok));
4114                                 goto done;
4115                         }
4116                         continue;
4117                 }
4118
4119                 DEBUG(5, ("Failed to parse security descriptor\n"));
4120                 goto done;
4121         }
4122
4123         ret = make_sec_desc(ctx, revision, SEC_DESC_SELF_RELATIVE,
4124                             owner_sid, grp_sid, NULL, dacl, &sd_size);
4125
4126   done:
4127         SAFE_FREE(grp_sid);
4128         SAFE_FREE(owner_sid);
4129
4130         return ret;
4131 }
4132
4133
4134 /* Obtain the current dos attributes */
4135 static DOS_ATTR_DESC *
4136 dos_attr_query(SMBCCTX *context,
4137                TALLOC_CTX *ctx,
4138                const char *filename,
4139                SMBCSRV *srv)
4140 {
4141         struct timespec create_time_ts;
4142         struct timespec write_time_ts;
4143         struct timespec access_time_ts;
4144         struct timespec change_time_ts;
4145         SMB_OFF_T size = 0;
4146         uint16 mode = 0;
4147         SMB_INO_T inode = 0;
4148         DOS_ATTR_DESC *ret;
4149
4150         ret = TALLOC_P(ctx, DOS_ATTR_DESC);
4151         if (!ret) {
4152                 errno = ENOMEM;
4153                 return NULL;
4154         }
4155
4156         /* Obtain the DOS attributes */
4157         if (!smbc_getatr(context, srv, CONST_DISCARD(char *, filename),
4158                          &mode, &size,
4159                          &create_time_ts,
4160                          &access_time_ts,
4161                          &write_time_ts,
4162                          &change_time_ts,
4163                          &inode)) {
4164
4165                 errno = smbc_errno(context, srv->cli);
4166                 DEBUG(5, ("dos_attr_query Failed to query old attributes\n"));
4167                 return NULL;
4168
4169         }
4170
4171         ret->mode = mode;
4172         ret->size = size;
4173         ret->create_time = convert_timespec_to_time_t(create_time_ts);
4174         ret->access_time = convert_timespec_to_time_t(access_time_ts);
4175         ret->write_time = convert_timespec_to_time_t(write_time_ts);
4176         ret->change_time = convert_timespec_to_time_t(change_time_ts);
4177         ret->inode = inode;
4178
4179         return ret;
4180 }
4181
4182
4183 /* parse a ascii version of a security descriptor */
4184 static void
4185 dos_attr_parse(SMBCCTX *context,
4186                DOS_ATTR_DESC *dad,
4187                SMBCSRV *srv,
4188                char *str)
4189 {
4190         int n;
4191         const char *p = str;
4192         fstring tok;
4193         struct {
4194                 const char * create_time_attr;
4195                 const char * access_time_attr;
4196                 const char * write_time_attr;
4197                 const char * change_time_attr;
4198         } attr_strings;
4199
4200         /* Determine whether to use old-style or new-style attribute names */
4201         if (context->internal->_full_time_names) {
4202                 /* new-style names */
4203                 attr_strings.create_time_attr = "CREATE_TIME";
4204                 attr_strings.access_time_attr = "ACCESS_TIME";
4205                 attr_strings.write_time_attr = "WRITE_TIME";
4206                 attr_strings.change_time_attr = "CHANGE_TIME";
4207         } else {
4208                 /* old-style names */
4209                 attr_strings.create_time_attr = NULL;
4210                 attr_strings.access_time_attr = "A_TIME";
4211                 attr_strings.write_time_attr = "M_TIME";
4212                 attr_strings.change_time_attr = "C_TIME";
4213         }
4214
4215         /* if this is to set the entire ACL... */
4216         if (*str == '*') {
4217                 /* ... then increment past the first colon if there is one */
4218                 if ((p = strchr(str, ':')) != NULL) {
4219                         ++p;
4220                 } else {
4221                         p = str;
4222                 }
4223         }
4224
4225         while (next_token(&p, tok, "\t,\r\n", sizeof(tok))) {
4226
4227                 if (StrnCaseCmp(tok, "MODE:", 5) == 0) {
4228                         dad->mode = strtol(tok+5, NULL, 16);
4229                         continue;
4230                 }
4231
4232                 if (StrnCaseCmp(tok, "SIZE:", 5) == 0) {
4233                         dad->size = (SMB_OFF_T)atof(tok+5);
4234                         continue;
4235                 }
4236
4237                 n = strlen(attr_strings.access_time_attr);
4238                 if (StrnCaseCmp(tok, attr_strings.access_time_attr, n) == 0) {
4239                         dad->access_time = (time_t)strtol(tok+n+1, NULL, 10);
4240                         continue;
4241                 }
4242
4243                 n = strlen(attr_strings.change_time_attr);
4244                 if (StrnCaseCmp(tok, attr_strings.change_time_attr, n) == 0) {
4245                         dad->change_time = (time_t)strtol(tok+n+1, NULL, 10);
4246                         continue;
4247                 }
4248
4249                 n = strlen(attr_strings.write_time_attr);
4250                 if (StrnCaseCmp(tok, attr_strings.write_time_attr, n) == 0) {
4251                         dad->write_time = (time_t)strtol(tok+n+1, NULL, 10);
4252                         continue;
4253                 }
4254
4255                 n = strlen(attr_strings.create_time_attr);
4256                 if (attr_strings.create_time_attr != NULL &&
4257                     StrnCaseCmp(tok, attr_strings.create_time_attr, n) == 0) {
4258                         dad->create_time = (time_t)strtol(tok+n+1, NULL, 10);
4259                         continue;
4260                 }
4261
4262                 if (StrnCaseCmp(tok, "INODE:", 6) == 0) {
4263                         dad->inode = (SMB_INO_T)atof(tok+6);
4264                         continue;
4265                 }
4266         }
4267 }
4268
4269 /*****************************************************
4270  Retrieve the acls for a file.
4271 *******************************************************/
4272
4273 static int
4274 cacl_get(SMBCCTX *context,
4275          TALLOC_CTX *ctx,
4276          SMBCSRV *srv,
4277          struct cli_state *ipc_cli,
4278          POLICY_HND *pol,
4279          char *filename,
4280          char *attr_name,
4281          char *buf,
4282          int bufsize)
4283 {
4284         uint32 i;
4285         int n = 0;
4286         int n_used;
4287         BOOL all;
4288         BOOL all_nt;
4289         BOOL all_nt_acls;
4290         BOOL all_dos;
4291         BOOL some_nt;
4292         BOOL some_dos;
4293         BOOL exclude_nt_revision = False;
4294         BOOL exclude_nt_owner = False;
4295         BOOL exclude_nt_group = False;
4296         BOOL exclude_nt_acl = False;
4297         BOOL exclude_dos_mode = False;
4298         BOOL exclude_dos_size = False;
4299         BOOL exclude_dos_create_time = False;
4300         BOOL exclude_dos_access_time = False;
4301         BOOL exclude_dos_write_time = False;
4302         BOOL exclude_dos_change_time = False;
4303         BOOL exclude_dos_inode = False;
4304         BOOL numeric = True;
4305         BOOL determine_size = (bufsize == 0);
4306         int fnum = -1;
4307         SEC_DESC *sd;
4308         fstring sidstr;
4309         fstring name_sandbox;
4310         char *name;
4311         char *pExclude;
4312         char *p;
4313         struct timespec create_time_ts;
4314         struct timespec write_time_ts;
4315         struct timespec access_time_ts;
4316         struct timespec change_time_ts;
4317         time_t create_time = (time_t)0;
4318         time_t write_time = (time_t)0;
4319         time_t access_time = (time_t)0;
4320         time_t change_time = (time_t)0;
4321         SMB_OFF_T size = 0;
4322         uint16 mode = 0;
4323         SMB_INO_T ino = 0;
4324         struct cli_state *cli = srv->cli;
4325         struct {
4326                 const char * create_time_attr;
4327                 const char * access_time_attr;
4328                 const char * write_time_attr;
4329                 const char * change_time_attr;
4330         } attr_strings;
4331         struct {
4332                 const char * create_time_attr;
4333                 const char * access_time_attr;
4334                 const char * write_time_attr;
4335                 const char * change_time_attr;
4336         } excl_attr_strings;
4337
4338         /* Determine whether to use old-style or new-style attribute names */
4339         if (context->internal->_full_time_names) {
4340                 /* new-style names */
4341                 attr_strings.create_time_attr = "CREATE_TIME";
4342                 attr_strings.access_time_attr = "ACCESS_TIME";
4343                 attr_strings.write_time_attr = "WRITE_TIME";
4344                 attr_strings.change_time_attr = "CHANGE_TIME";
4345
4346                 excl_attr_strings.create_time_attr = "CREATE_TIME";
4347                 excl_attr_strings.access_time_attr = "ACCESS_TIME";
4348                 excl_attr_strings.write_time_attr = "WRITE_TIME";
4349                 excl_attr_strings.change_time_attr = "CHANGE_TIME";
4350         } else {
4351                 /* old-style names */
4352                 attr_strings.create_time_attr = NULL;
4353                 attr_strings.access_time_attr = "A_TIME";
4354                 attr_strings.write_time_attr = "M_TIME";
4355                 attr_strings.change_time_attr = "C_TIME";
4356
4357                 excl_attr_strings.create_time_attr = NULL;
4358                 excl_attr_strings.access_time_attr = "dos_attr.A_TIME";
4359                 excl_attr_strings.write_time_attr = "dos_attr.M_TIME";
4360                 excl_attr_strings.change_time_attr = "dos_attr.C_TIME";
4361         }
4362
4363         /* Copy name so we can strip off exclusions (if any are specified) */
4364         strncpy(name_sandbox, attr_name, sizeof(name_sandbox) - 1);
4365
4366         /* Ensure name is null terminated */
4367         name_sandbox[sizeof(name_sandbox) - 1] = '\0';
4368
4369         /* Play in the sandbox */
4370         name = name_sandbox;
4371
4372         /* If there are any exclusions, point to them and mask them from name */
4373         if ((pExclude = strchr(name, '!')) != NULL)
4374         {
4375                 *pExclude++ = '\0';
4376         }
4377
4378         all = (StrnCaseCmp(name, "system.*", 8) == 0);
4379         all_nt = (StrnCaseCmp(name, "system.nt_sec_desc.*", 20) == 0);
4380         all_nt_acls = (StrnCaseCmp(name, "system.nt_sec_desc.acl.*", 24) == 0);
4381         all_dos = (StrnCaseCmp(name, "system.dos_attr.*", 17) == 0);
4382         some_nt = (StrnCaseCmp(name, "system.nt_sec_desc.", 19) == 0);
4383         some_dos = (StrnCaseCmp(name, "system.dos_attr.", 16) == 0);
4384         numeric = (* (name + strlen(name) - 1) != '+');
4385
4386         /* Look for exclusions from "all" requests */
4387         if (all || all_nt || all_dos) {
4388
4389                 /* Exclusions are delimited by '!' */
4390                 for (;
4391                      pExclude != NULL;
4392                      pExclude = (p == NULL ? NULL : p + 1)) {
4393
4394                 /* Find end of this exclusion name */
4395                 if ((p = strchr(pExclude, '!')) != NULL)
4396                 {
4397                     *p = '\0';
4398                 }
4399
4400                 /* Which exclusion name is this? */
4401                 if (StrCaseCmp(pExclude, "nt_sec_desc.revision") == 0) {
4402                     exclude_nt_revision = True;
4403                 }
4404                 else if (StrCaseCmp(pExclude, "nt_sec_desc.owner") == 0) {
4405                     exclude_nt_owner = True;
4406                 }
4407                 else if (StrCaseCmp(pExclude, "nt_sec_desc.group") == 0) {
4408                     exclude_nt_group = True;
4409                 }
4410                 else if (StrCaseCmp(pExclude, "nt_sec_desc.acl") == 0) {
4411                     exclude_nt_acl = True;
4412                 }
4413                 else if (StrCaseCmp(pExclude, "dos_attr.mode") == 0) {
4414                     exclude_dos_mode = True;
4415                 }
4416                 else if (StrCaseCmp(pExclude, "dos_attr.size") == 0) {
4417                     exclude_dos_size = True;
4418                 }
4419                 else if (excl_attr_strings.create_time_attr != NULL &&
4420                          StrCaseCmp(pExclude,
4421                                     excl_attr_strings.change_time_attr) == 0) {
4422                     exclude_dos_create_time = True;
4423                 }
4424                 else if (StrCaseCmp(pExclude,
4425                                     excl_attr_strings.access_time_attr) == 0) {
4426                     exclude_dos_access_time = True;
4427                 }
4428                 else if (StrCaseCmp(pExclude,
4429                                     excl_attr_strings.write_time_attr) == 0) {
4430                     exclude_dos_write_time = True;
4431                 }
4432                 else if (StrCaseCmp(pExclude,
4433                                     excl_attr_strings.change_time_attr) == 0) {
4434                     exclude_dos_change_time = True;
4435                 }
4436                 else if (StrCaseCmp(pExclude, "dos_attr.inode") == 0) {
4437                     exclude_dos_inode = True;
4438                 }
4439                 else {
4440                     DEBUG(5, ("cacl_get received unknown exclusion: %s\n",
4441                               pExclude));
4442                     errno = ENOATTR;
4443                     return -1;
4444                 }
4445             }
4446         }
4447
4448         n_used = 0;
4449
4450         /*
4451          * If we are (possibly) talking to an NT or new system and some NT
4452          * attributes have been requested...
4453          */
4454         if (ipc_cli && (all || some_nt || all_nt_acls)) {
4455                 /* Point to the portion after "system.nt_sec_desc." */
4456                 name += 19;     /* if (all) this will be invalid but unused */
4457
4458                 /* ... then obtain any NT attributes which were requested */
4459                 fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
4460
4461                 if (fnum == -1) {
4462                         DEBUG(5, ("cacl_get failed to open %s: %s\n",
4463                                   filename, cli_errstr(cli)));
4464                         errno = 0;
4465                         return -1;
4466                 }
4467
4468                 sd = cli_query_secdesc(cli, fnum, ctx);
4469
4470                 if (!sd) {
4471                         DEBUG(5,
4472                               ("cacl_get Failed to query old descriptor\n"));
4473                         errno = 0;
4474                         return -1;
4475                 }
4476
4477                 cli_close(cli, fnum);
4478
4479                 if (! exclude_nt_revision) {
4480                         if (all || all_nt) {
4481                                 if (determine_size) {
4482                                         p = talloc_asprintf(ctx,
4483                                                             "REVISION:%d",
4484                                                             sd->revision);
4485                                         if (!p) {
4486                                                 errno = ENOMEM;
4487                                                 return -1;
4488                                         }
4489                                         n = strlen(p);
4490                                 } else {
4491                                         n = snprintf(buf, bufsize,
4492                                                      "REVISION:%d",
4493                                                      sd->revision);
4494                                 }
4495                         } else if (StrCaseCmp(name, "revision") == 0) {
4496                                 if (determine_size) {
4497                                         p = talloc_asprintf(ctx, "%d",
4498                                                             sd->revision);
4499                                         if (!p) {
4500                                                 errno = ENOMEM;
4501                                                 return -1;
4502                                         }
4503                                         n = strlen(p);
4504                                 } else {
4505                                         n = snprintf(buf, bufsize, "%d",
4506                                                      sd->revision);
4507                                 }
4508                         }
4509
4510                         if (!determine_size && n > bufsize) {
4511                                 errno = ERANGE;
4512                                 return -1;
4513                         }
4514                         buf += n;
4515                         n_used += n;
4516                         bufsize -= n;
4517                 }
4518
4519                 if (! exclude_nt_owner) {
4520                         /* Get owner and group sid */
4521                         if (sd->owner_sid) {
4522                                 convert_sid_to_string(ipc_cli, pol,
4523                                                       sidstr,
4524                                                       numeric,
4525                                                       sd->owner_sid);
4526                         } else {
4527                                 fstrcpy(sidstr, "");
4528                         }
4529
4530                         if (all || all_nt) {
4531                                 if (determine_size) {
4532                                         p = talloc_asprintf(ctx, ",OWNER:%s",
4533                                                             sidstr);
4534                                         if (!p) {
4535                                                 errno = ENOMEM;
4536                                                 return -1;
4537                                         }
4538                                         n = strlen(p);
4539                                 } else {
4540                                         n = snprintf(buf, bufsize,
4541                                                      ",OWNER:%s", sidstr);
4542                                 }
4543                         } else if (StrnCaseCmp(name, "owner", 5) == 0) {
4544                                 if (determine_size) {
4545                                         p = talloc_asprintf(ctx, "%s", sidstr);
4546                                         if (!p) {
4547                                                 errno = ENOMEM;
4548                                                 return -1;
4549                                         }
4550                                         n = strlen(p);
4551                                 } else {
4552                                         n = snprintf(buf, bufsize, "%s",
4553                                                      sidstr);
4554                                 }
4555                         }
4556
4557                         if (!determine_size && n > bufsize) {
4558                                 errno = ERANGE;
4559                                 return -1;
4560                         }
4561                         buf += n;
4562                         n_used += n;
4563                         bufsize -= n;
4564                 }
4565
4566                 if (! exclude_nt_group) {
4567                         if (sd->grp_sid) {
4568                                 convert_sid_to_string(ipc_cli, pol,
4569                                                       sidstr, numeric,
4570                                                       sd->grp_sid);
4571                         } else {
4572                                 fstrcpy(sidstr, "");
4573                         }
4574
4575                         if (all || all_nt) {
4576                                 if (determine_size) {
4577                                         p = talloc_asprintf(ctx, ",GROUP:%s",
4578                                                             sidstr);
4579                                         if (!p) {
4580                                                 errno = ENOMEM;
4581                                                 return -1;
4582                                         }
4583                                         n = strlen(p);
4584                                 } else {
4585                                         n = snprintf(buf, bufsize,
4586                                                      ",GROUP:%s", sidstr);
4587                                 }
4588                         } else if (StrnCaseCmp(name, "group", 5) == 0) {
4589                                 if (determine_size) {
4590                                         p = talloc_asprintf(ctx, "%s", sidstr);
4591                                         if (!p) {
4592                                                 errno = ENOMEM;
4593                                                 return -1;
4594                                         }
4595                                         n = strlen(p);
4596                                 } else {
4597                                         n = snprintf(buf, bufsize,
4598                                                      "%s", sidstr);
4599                                 }
4600                         }
4601
4602                         if (!determine_size && n > bufsize) {
4603                                 errno = ERANGE;
4604                                 return -1;
4605                         }
4606                         buf += n;
4607                         n_used += n;
4608                         bufsize -= n;
4609                 }
4610
4611                 if (! exclude_nt_acl) {
4612                         /* Add aces to value buffer  */
4613                         for (i = 0; sd->dacl && i < sd->dacl->num_aces; i++) {
4614
4615                                 SEC_ACE *ace = &sd->dacl->ace[i];
4616                                 convert_sid_to_string(ipc_cli, pol,
4617                                                       sidstr, numeric,
4618                                                       &ace->trustee);
4619
4620                                 if (all || all_nt) {
4621                                         if (determine_size) {
4622                                                 p = talloc_asprintf(
4623                                                         ctx,
4624                                                         ",ACL:"
4625                                                         "%s:%d/%d/0x%08x",
4626                                                         sidstr,
4627                                                         ace->type,
4628                                                         ace->flags,
4629                                                         ace->info.mask);
4630                                                 if (!p) {
4631                                                         errno = ENOMEM;
4632                                                         return -1;
4633                                                 }
4634                                                 n = strlen(p);
4635                                         } else {
4636                                                 n = snprintf(
4637                                                         buf, bufsize,
4638                                                         ",ACL:%s:%d/%d/0x%08x",
4639                                                         sidstr,
4640                                                         ace->type,
4641                                                         ace->flags,
4642                                                         ace->info.mask);
4643                                         }
4644                                 } else if ((StrnCaseCmp(name, "acl", 3) == 0 &&
4645                                             StrCaseCmp(name+3, sidstr) == 0) ||
4646                                            (StrnCaseCmp(name, "acl+", 4) == 0 &&
4647                                             StrCaseCmp(name+4, sidstr) == 0)) {
4648                                         if (determine_size) {
4649                                                 p = talloc_asprintf(
4650                                                         ctx,
4651                                                         "%d/%d/0x%08x",
4652                                                         ace->type,
4653                                                         ace->flags,
4654                                                         ace->info.mask);
4655                                                 if (!p) {
4656                                                         errno = ENOMEM;
4657                                                         return -1;
4658                                                 }
4659                                                 n = strlen(p);
4660                                         } else {
4661                                                 n = snprintf(buf, bufsize,
4662                                                              "%d/%d/0x%08x",
4663                                                              ace->type,
4664                                                              ace->flags,
4665                                                              ace->info.mask);
4666                                         }
4667                                 } else if (all_nt_acls) {
4668                                         if (determine_size) {
4669                                                 p = talloc_asprintf(
4670                                                         ctx,
4671                                                         "%s%s:%d/%d/0x%08x",
4672                                                         i ? "," : "",
4673                                                         sidstr,
4674                                                         ace->type,
4675                                                         ace->flags,
4676                                                         ace->info.mask);
4677                                                 if (!p) {
4678                                                         errno = ENOMEM;
4679                                                         return -1;
4680                                                 }
4681                                                 n = strlen(p);
4682                                         } else {
4683                                                 n = snprintf(buf, bufsize,
4684                                                              "%s%s:%d/%d/0x%08x",
4685                                                              i ? "," : "",
4686                                                              sidstr,
4687                                                              ace->type,
4688                                                              ace->flags,
4689                                                              ace->info.mask);
4690                                         }
4691                                 }
4692                                 if (n > bufsize) {
4693                                         errno = ERANGE;
4694                                         return -1;
4695                                 }
4696                                 buf += n;
4697                                 n_used += n;
4698                                 bufsize -= n;
4699                         }
4700                 }
4701
4702                 /* Restore name pointer to its original value */
4703                 name -= 19;
4704         }
4705
4706         if (all || some_dos) {
4707                 /* Point to the portion after "system.dos_attr." */
4708                 name += 16;     /* if (all) this will be invalid but unused */
4709
4710                 /* Obtain the DOS attributes */
4711                 if (!smbc_getatr(context, srv, filename, &mode, &size,
4712                                  &create_time_ts,
4713                                  &access_time_ts,
4714                                  &write_time_ts,
4715                                  &change_time_ts,
4716                                  &ino)) {
4717
4718                         errno = smbc_errno(context, srv->cli);
4719                         return -1;
4720
4721                 }
4722
4723                 create_time = convert_timespec_to_time_t(create_time_ts);
4724                 access_time = convert_timespec_to_time_t(access_time_ts);
4725                 write_time = convert_timespec_to_time_t(write_time_ts);
4726                 change_time = convert_timespec_to_time_t(change_time_ts);
4727
4728                 if (! exclude_dos_mode) {
4729                         if (all || all_dos) {
4730                                 if (determine_size) {
4731                                         p = talloc_asprintf(ctx,
4732                                                             "%sMODE:0x%x",
4733                                                             (ipc_cli &&
4734                                                              (all || some_nt)
4735                                                              ? ","
4736                                                              : ""),
4737                                                             mode);
4738                                         if (!p) {
4739                                                 errno = ENOMEM;
4740                                                 return -1;
4741                                         }
4742                                         n = strlen(p);
4743                                 } else {
4744                                         n = snprintf(buf, bufsize,
4745                                                      "%sMODE:0x%x",
4746                                                      (ipc_cli &&
4747                                                       (all || some_nt)
4748                                                       ? ","
4749                                                       : ""),
4750                                                      mode);
4751                                 }
4752                         } else if (StrCaseCmp(name, "mode") == 0) {
4753                                 if (determine_size) {
4754                                         p = talloc_asprintf(ctx, "0x%x", mode);
4755                                         if (!p) {
4756                                                 errno = ENOMEM;
4757                                                 return -1;
4758                                         }
4759                                         n = strlen(p);
4760                                 } else {
4761                                         n = snprintf(buf, bufsize,
4762                                                      "0x%x", mode);
4763                                 }
4764                         }
4765
4766                         if (!determine_size && n > bufsize) {
4767                                 errno = ERANGE;
4768                                 return -1;
4769                         }
4770                         buf += n;
4771                         n_used += n;
4772                         bufsize -= n;
4773                 }
4774
4775                 if (! exclude_dos_size) {
4776                         if (all || all_dos) {
4777                                 if (determine_size) {
4778                                         p = talloc_asprintf(
4779                                                 ctx,
4780                                                 ",SIZE:%.0f",
4781                                                 (double)size);
4782                                         if (!p) {
4783                                                 errno = ENOMEM;
4784                                                 return -1;
4785                                         }
4786                                         n = strlen(p);
4787                                 } else {
4788                                         n = snprintf(buf, bufsize,
4789                                                      ",SIZE:%.0f",
4790                                                      (double)size);
4791                                 }
4792                         } else if (StrCaseCmp(name, "size") == 0) {
4793                                 if (determine_size) {
4794                                         p = talloc_asprintf(
4795                                                 ctx,
4796                                                 "%.0f",
4797                                                 (double)size);
4798                                         if (!p) {
4799                                                 errno = ENOMEM;
4800                                                 return -1;
4801                                         }
4802                                         n = strlen(p);
4803                                 } else {
4804                                         n = snprintf(buf, bufsize,
4805                                                      "%.0f",
4806                                                      (double)size);
4807                                 }
4808                         }
4809
4810                         if (!determine_size && n > bufsize) {
4811                                 errno = ERANGE;
4812                                 return -1;
4813                         }
4814                         buf += n;
4815                         n_used += n;
4816                         bufsize -= n;
4817                 }
4818
4819                 if (! exclude_dos_create_time &&
4820                     attr_strings.create_time_attr != NULL) {
4821                         if (all || all_dos) {
4822                                 if (determine_size) {
4823                                         p = talloc_asprintf(ctx,
4824                                                             ",%s:%lu",
4825                                                             attr_strings.create_time_attr,
4826                                                             create_time);
4827                                         if (!p) {
4828                                                 errno = ENOMEM;
4829                                                 return -1;
4830                                         }
4831                                         n = strlen(p);
4832                                 } else {
4833                                         n = snprintf(buf, bufsize,
4834                                                      ",%s:%lu",
4835                                                      attr_strings.create_time_attr,
4836                                                      create_time);
4837                                 }
4838                         } else if (StrCaseCmp(name, attr_strings.create_time_attr) == 0) {
4839                                 if (determine_size) {
4840                                         p = talloc_asprintf(ctx, "%lu", create_time);
4841                                         if (!p) {
4842                                                 errno = ENOMEM;
4843                                                 return -1;
4844                                         }
4845                                         n = strlen(p);
4846                                 } else {
4847                                         n = snprintf(buf, bufsize,
4848                                                      "%lu", create_time);
4849                                 }
4850                         }
4851
4852                         if (!determine_size && n > bufsize) {
4853                                 errno = ERANGE;
4854                                 return -1;
4855                         }
4856                         buf += n;
4857                         n_used += n;
4858                         bufsize -= n;
4859                 }
4860
4861                 if (! exclude_dos_access_time) {
4862                         if (all || all_dos) {
4863                                 if (determine_size) {
4864                                         p = talloc_asprintf(ctx,
4865                                                             ",%s:%lu",
4866                                                             attr_strings.access_time_attr,
4867                                                             access_time);
4868                                         if (!p) {
4869                                                 errno = ENOMEM;
4870                                                 return -1;
4871                                         }
4872                                         n = strlen(p);
4873                                 } else {
4874                                         n = snprintf(buf, bufsize,
4875                                                      ",%s:%lu",
4876                                                      attr_strings.access_time_attr,
4877                                                      access_time);
4878                                 }
4879                         } else if (StrCaseCmp(name, attr_strings.access_time_attr) == 0) {
4880                                 if (determine_size) {
4881                                         p = talloc_asprintf(ctx, "%lu", access_time);
4882                                         if (!p) {
4883                                                 errno = ENOMEM;
4884                                                 return -1;
4885                                         }
4886                                         n = strlen(p);
4887                                 } else {
4888                                         n = snprintf(buf, bufsize,
4889                                                      "%lu", access_time);
4890                                 }
4891                         }
4892
4893                         if (!determine_size && n > bufsize) {
4894                                 errno = ERANGE;
4895                                 return -1;
4896                         }
4897                         buf += n;
4898                         n_used += n;
4899                         bufsize -= n;
4900                 }
4901
4902                 if (! exclude_dos_write_time) {
4903                         if (all || all_dos) {
4904                                 if (determine_size) {
4905                                         p = talloc_asprintf(ctx,
4906                                                             ",%s:%lu",
4907                                                             attr_strings.write_time_attr,
4908                                                             write_time);
4909                                         if (!p) {
4910                                                 errno = ENOMEM;
4911                                                 return -1;
4912                                         }
4913                                         n = strlen(p);
4914                                 } else {
4915                                         n = snprintf(buf, bufsize,
4916                                                      ",%s:%lu",
4917                                                      attr_strings.write_time_attr,
4918                                                      write_time);
4919                                 }
4920                         } else if (StrCaseCmp(name, attr_strings.write_time_attr) == 0) {
4921                                 if (determine_size) {
4922                                         p = talloc_asprintf(ctx, "%lu", write_time);
4923                                         if (!p) {
4924                                                 errno = ENOMEM;
4925                                                 return -1;
4926                                         }
4927                                         n = strlen(p);
4928                                 } else {
4929                                         n = snprintf(buf, bufsize,
4930                                                      "%lu", write_time);
4931                                 }
4932                         }
4933
4934                         if (!determine_size && n > bufsize) {
4935                                 errno = ERANGE;
4936                                 return -1;
4937                         }
4938                         buf += n;
4939                         n_used += n;
4940                         bufsize -= n;
4941                 }
4942
4943                 if (! exclude_dos_change_time) {
4944                         if (all || all_dos) {
4945                                 if (determine_size) {
4946                                         p = talloc_asprintf(ctx,
4947                                                             ",%s:%lu",
4948                                                             attr_strings.change_time_attr,
4949                                                             change_time);
4950                                         if (!p) {
4951                                                 errno = ENOMEM;
4952                                                 return -1;
4953                                         }
4954                                         n = strlen(p);
4955                                 } else {
4956                                         n = snprintf(buf, bufsize,
4957                                                      ",%s:%lu",
4958                                                      attr_strings.change_time_attr,
4959                                                      change_time);
4960                                 }
4961                         } else if (StrCaseCmp(name, attr_strings.change_time_attr) == 0) {
4962                                 if (determine_size) {
4963                                         p = talloc_asprintf(ctx, "%lu", change_time);
4964                                         if (!p) {
4965                                                 errno = ENOMEM;
4966                                                 return -1;
4967                                         }
4968                                         n = strlen(p);
4969                                 } else {
4970                                         n = snprintf(buf, bufsize,
4971                                                      "%lu", change_time);
4972                                 }
4973                         }
4974
4975                         if (!determine_size && n > bufsize) {
4976                                 errno = ERANGE;
4977                                 return -1;
4978                         }
4979                         buf += n;
4980                         n_used += n;
4981                         bufsize -= n;
4982                 }
4983
4984                 if (! exclude_dos_inode) {
4985                         if (all || all_dos) {
4986                                 if (determine_size) {
4987                                         p = talloc_asprintf(
4988                                                 ctx,
4989                                                 ",INODE:%.0f",
4990                                                 (double)ino);
4991                                         if (!p) {
4992                                                 errno = ENOMEM;
4993                                                 return -1;
4994                                         }
4995                                         n = strlen(p);
4996                                 } else {
4997                                         n = snprintf(buf, bufsize,
4998                                                      ",INODE:%.0f",
4999                                                      (double) ino);
5000                                 }
5001                         } else if (StrCaseCmp(name, "inode") == 0) {
5002                                 if (determine_size) {
5003                                         p = talloc_asprintf(
5004                                                 ctx,
5005                                                 "%.0f",
5006                                                 (double) ino);
5007                                         if (!p) {
5008                                                 errno = ENOMEM;
5009                                                 return -1;
5010                                         }
5011                                         n = strlen(p);
5012                                 } else {
5013                                         n = snprintf(buf, bufsize,
5014                                                      "%.0f",
5015                                                      (double) ino);
5016                                 }
5017                         }
5018
5019                         if (!determine_size && n > bufsize) {
5020                                 errno = ERANGE;
5021                                 return -1;
5022                         }
5023                         buf += n;
5024                         n_used += n;
5025                         bufsize -= n;
5026                 }
5027
5028                 /* Restore name pointer to its original value */
5029                 name -= 16;
5030         }
5031
5032         if (n_used == 0) {
5033                 errno = ENOATTR;
5034                 return -1;
5035         }
5036
5037         return n_used;
5038 }
5039
5040
5041 /*****************************************************
5042 set the ACLs on a file given an ascii description
5043 *******************************************************/
5044 static int
5045 cacl_set(TALLOC_CTX *ctx,
5046          struct cli_state *cli,
5047          struct cli_state *ipc_cli,
5048          POLICY_HND *pol,
5049          const char *filename,
5050          const char *the_acl,
5051          int mode,
5052          int flags)
5053 {
5054         int fnum;
5055         int err = 0;
5056         SEC_DESC *sd = NULL, *old;
5057         SEC_ACL *dacl = NULL;
5058         DOM_SID *owner_sid = NULL;
5059         DOM_SID *grp_sid = NULL;
5060         uint32 i, j;
5061         size_t sd_size;
5062         int ret = 0;
5063         char *p;
5064         BOOL numeric = True;
5065
5066         /* the_acl will be null for REMOVE_ALL operations */
5067         if (the_acl) {
5068                 numeric = ((p = strchr(the_acl, ':')) != NULL &&
5069                            p > the_acl &&
5070                            p[-1] != '+');
5071
5072                 /* if this is to set the entire ACL... */
5073                 if (*the_acl == '*') {
5074                         /* ... then increment past the first colon */
5075                         the_acl = p + 1;
5076                 }
5077
5078                 sd = sec_desc_parse(ctx, ipc_cli, pol, numeric,
5079                                     CONST_DISCARD(char *, the_acl));
5080
5081                 if (!sd) {
5082                         errno = EINVAL;
5083                         return -1;
5084                 }
5085         }
5086
5087         /* SMBC_XATTR_MODE_REMOVE_ALL is the only caller
5088            that doesn't deref sd */
5089
5090         if (!sd && (mode != SMBC_XATTR_MODE_REMOVE_ALL)) {
5091                 errno = EINVAL;
5092                 return -1;
5093         }
5094
5095         /* The desired access below is the only one I could find that works
5096            with NT4, W2KP and Samba */
5097
5098         fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
5099
5100         if (fnum == -1) {
5101                 DEBUG(5, ("cacl_set failed to open %s: %s\n",
5102                           filename, cli_errstr(cli)));
5103                 errno = 0;
5104                 return -1;
5105         }
5106
5107         old = cli_query_secdesc(cli, fnum, ctx);
5108
5109         if (!old) {
5110                 DEBUG(5, ("cacl_set Failed to query old descriptor\n"));
5111                 errno = 0;
5112                 return -1;
5113         }
5114
5115         cli_close(cli, fnum);
5116
5117         switch (mode) {
5118         case SMBC_XATTR_MODE_REMOVE_ALL:
5119                 old->dacl->num_aces = 0;
5120                 SAFE_FREE(old->dacl->ace);
5121                 SAFE_FREE(old->dacl);
5122                 old->off_dacl = 0;
5123                 dacl = old->dacl;
5124                 break;
5125
5126         case SMBC_XATTR_MODE_REMOVE:
5127                 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
5128                         BOOL found = False;
5129
5130                         for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
5131                                 if (sec_ace_equal(&sd->dacl->ace[i],
5132                                                   &old->dacl->ace[j])) {
5133                                         uint32 k;
5134                                         for (k=j; k<old->dacl->num_aces-1;k++) {
5135                                                 old->dacl->ace[k] =
5136                                                         old->dacl->ace[k+1];
5137                                         }
5138                                         old->dacl->num_aces--;
5139                                         if (old->dacl->num_aces == 0) {
5140                                                 SAFE_FREE(old->dacl->ace);
5141                                                 SAFE_FREE(old->dacl);
5142                                                 old->off_dacl = 0;
5143                                         }
5144                                         found = True;
5145                                         dacl = old->dacl;
5146                                         break;
5147                                 }
5148                         }
5149
5150                         if (!found) {
5151                                 err = ENOATTR;
5152                                 ret = -1;
5153                                 goto failed;
5154                         }
5155                 }
5156                 break;
5157
5158         case SMBC_XATTR_MODE_ADD:
5159                 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
5160                         BOOL found = False;
5161
5162                         for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
5163                                 if (sid_equal(&sd->dacl->ace[i].trustee,
5164                                               &old->dacl->ace[j].trustee)) {
5165                                         if (!(flags & SMBC_XATTR_FLAG_CREATE)) {
5166                                                 err = EEXIST;
5167                                                 ret = -1;
5168                                                 goto failed;
5169                                         }
5170                                         old->dacl->ace[j] = sd->dacl->ace[i];
5171                                         ret = -1;
5172                                         found = True;
5173                                 }
5174                         }
5175
5176                         if (!found && (flags & SMBC_XATTR_FLAG_REPLACE)) {
5177                                 err = ENOATTR;
5178                                 ret = -1;
5179                                 goto failed;
5180                         }
5181
5182                         for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
5183                                 add_ace(&old->dacl, &sd->dacl->ace[i], ctx);
5184                         }
5185                 }
5186                 dacl = old->dacl;
5187                 break;
5188
5189         case SMBC_XATTR_MODE_SET:
5190                 old = sd;
5191                 owner_sid = old->owner_sid;
5192                 grp_sid = old->grp_sid;
5193                 dacl = old->dacl;
5194                 break;
5195
5196         case SMBC_XATTR_MODE_CHOWN:
5197                 owner_sid = sd->owner_sid;
5198                 break;
5199
5200         case SMBC_XATTR_MODE_CHGRP:
5201                 grp_sid = sd->grp_sid;
5202                 break;
5203         }
5204
5205         /* Denied ACE entries must come before allowed ones */
5206         sort_acl(old->dacl);
5207
5208         /* Create new security descriptor and set it */
5209         sd = make_sec_desc(ctx, old->revision, SEC_DESC_SELF_RELATIVE,
5210                            owner_sid, grp_sid, NULL, dacl, &sd_size);
5211
5212         fnum = cli_nt_create(cli, filename,
5213                              WRITE_DAC_ACCESS | WRITE_OWNER_ACCESS);
5214
5215         if (fnum == -1) {
5216                 DEBUG(5, ("cacl_set failed to open %s: %s\n",
5217                           filename, cli_errstr(cli)));
5218                 errno = 0;
5219                 return -1;
5220         }
5221
5222         if (!cli_set_secdesc(cli, fnum, sd)) {
5223                 DEBUG(5, ("ERROR: secdesc set failed: %s\n", cli_errstr(cli)));
5224                 ret = -1;
5225         }
5226
5227         /* Clean up */
5228
5229  failed:
5230         cli_close(cli, fnum);
5231
5232         if (err != 0) {
5233                 errno = err;
5234         }
5235
5236         return ret;
5237 }
5238
5239
5240 static int
5241 smbc_setxattr_ctx(SMBCCTX *context,
5242                   const char *fname,
5243                   const char *name,
5244                   const void *value,
5245                   size_t size,
5246                   int flags)
5247 {
5248         int ret;
5249         int ret2;
5250         SMBCSRV *srv;
5251         SMBCSRV *ipc_srv;
5252         fstring server;
5253         fstring share;
5254         fstring user;
5255         fstring password;
5256         fstring workgroup;
5257         pstring path;
5258         TALLOC_CTX *ctx;
5259         POLICY_HND pol;
5260         DOS_ATTR_DESC *dad;
5261         struct {
5262                 const char * create_time_attr;
5263                 const char * access_time_attr;
5264                 const char * write_time_attr;
5265                 const char * change_time_attr;
5266         } attr_strings;
5267
5268         if (!context || !context->internal ||
5269             !context->internal->_initialized) {
5270
5271                 errno = EINVAL;  /* Best I can think of ... */
5272                 return -1;
5273
5274         }
5275
5276         if (!fname) {
5277
5278                 errno = EINVAL;
5279                 return -1;
5280
5281         }
5282
5283         DEBUG(4, ("smbc_setxattr(%s, %s, %.*s)\n",
5284                   fname, name, (int) size, (const char*)value));
5285
5286         if (smbc_parse_path(context, fname,
5287                             workgroup, sizeof(workgroup),
5288                             server, sizeof(server),
5289                             share, sizeof(share),
5290                             path, sizeof(path),
5291                             user, sizeof(user),
5292                             password, sizeof(password),
5293                             NULL, 0)) {
5294                 errno = EINVAL;
5295                 return -1;
5296         }
5297
5298         if (user[0] == (char)0) fstrcpy(user, context->user);
5299
5300         srv = smbc_server(context, True,
5301                           server, share, workgroup, user, password);
5302         if (!srv) {
5303                 return -1;  /* errno set by smbc_server */
5304         }
5305
5306         if (! srv->no_nt_session) {
5307                 ipc_srv = smbc_attr_server(context, server, share,
5308                                            workgroup, user, password,
5309                                            &pol);
5310                 srv->no_nt_session = True;
5311         } else {
5312                 ipc_srv = NULL;
5313         }
5314
5315         ctx = talloc_init("smbc_setxattr");
5316         if (!ctx) {
5317                 errno = ENOMEM;
5318                 return -1;
5319         }
5320
5321         /*
5322          * Are they asking to set the entire set of known attributes?
5323          */
5324         if (StrCaseCmp(name, "system.*") == 0 ||
5325             StrCaseCmp(name, "system.*+") == 0) {
5326                 /* Yup. */
5327                 char *namevalue =
5328                         talloc_asprintf(ctx, "%s:%s",
5329                                         name+7, (const char *) value);
5330                 if (! namevalue) {
5331                         errno = ENOMEM;
5332                         ret = -1;
5333                         return -1;
5334                 }
5335
5336                 if (ipc_srv) {
5337                         ret = cacl_set(ctx, srv->cli,
5338                                        ipc_srv->cli, &pol, path,
5339                                        namevalue,
5340                                        (*namevalue == '*'
5341                                         ? SMBC_XATTR_MODE_SET
5342                                         : SMBC_XATTR_MODE_ADD),
5343                                        flags);
5344                 } else {
5345                         ret = 0;
5346                 }
5347
5348                 /* get a DOS Attribute Descriptor with current attributes */
5349                 dad = dos_attr_query(context, ctx, path, srv);
5350                 if (dad) {
5351                         /* Overwrite old with new, using what was provided */
5352                         dos_attr_parse(context, dad, srv, namevalue);
5353
5354                         /* Set the new DOS attributes */
5355                         if (! smbc_setatr(context, srv, path,
5356                                           dad->create_time,
5357                                           dad->access_time,
5358                                           dad->write_time,
5359                                           dad->change_time,
5360                                           dad->mode)) {
5361
5362                                 /* cause failure if NT failed too */
5363                                 dad = NULL;
5364                         }
5365                 }
5366
5367                 /* we only fail if both NT and DOS sets failed */
5368                 if (ret < 0 && ! dad) {
5369                         ret = -1; /* in case dad was null */
5370                 }
5371                 else {
5372                         ret = 0;
5373                 }
5374
5375                 talloc_destroy(ctx);
5376                 return ret;
5377         }
5378
5379         /*
5380          * Are they asking to set an access control element or to set
5381          * the entire access control list?
5382          */
5383         if (StrCaseCmp(name, "system.nt_sec_desc.*") == 0 ||
5384             StrCaseCmp(name, "system.nt_sec_desc.*+") == 0 ||
5385             StrCaseCmp(name, "system.nt_sec_desc.revision") == 0 ||
5386             StrnCaseCmp(name, "system.nt_sec_desc.acl", 22) == 0 ||
5387             StrnCaseCmp(name, "system.nt_sec_desc.acl+", 23) == 0) {
5388
5389                 /* Yup. */
5390                 char *namevalue =
5391                         talloc_asprintf(ctx, "%s:%s",
5392                                         name+19, (const char *) value);
5393
5394                 if (! ipc_srv) {
5395                         ret = -1; /* errno set by smbc_server() */
5396                 }
5397                 else if (! namevalue) {
5398                         errno = ENOMEM;
5399                         ret = -1;
5400                 } else {
5401                         ret = cacl_set(ctx, srv->cli,
5402                                        ipc_srv->cli, &pol, path,
5403                                        namevalue,
5404                                        (*namevalue == '*'
5405                                         ? SMBC_XATTR_MODE_SET
5406                                         : SMBC_XATTR_MODE_ADD),
5407                                        flags);
5408                 }
5409                 talloc_destroy(ctx);
5410                 return ret;
5411         }
5412
5413         /*
5414          * Are they asking to set the owner?
5415          */
5416         if (StrCaseCmp(name, "system.nt_sec_desc.owner") == 0 ||
5417             StrCaseCmp(name, "system.nt_sec_desc.owner+") == 0) {
5418
5419                 /* Yup. */
5420                 char *namevalue =
5421                         talloc_asprintf(ctx, "%s:%s",
5422                                         name+19, (const char *) value);
5423
5424                 if (! ipc_srv) {
5425
5426                         ret = -1; /* errno set by smbc_server() */
5427                 }
5428                 else if (! namevalue) {
5429                         errno = ENOMEM;
5430                         ret = -1;
5431                 } else {
5432                         ret = cacl_set(ctx, srv->cli,
5433                                        ipc_srv->cli, &pol, path,
5434                                        namevalue, SMBC_XATTR_MODE_CHOWN, 0);
5435                 }
5436                 talloc_destroy(ctx);
5437                 return ret;
5438         }
5439
5440         /*
5441          * Are they asking to set the group?
5442          */
5443         if (StrCaseCmp(name, "system.nt_sec_desc.group") == 0 ||
5444             StrCaseCmp(name, "system.nt_sec_desc.group+") == 0) {
5445
5446                 /* Yup. */
5447                 char *namevalue =
5448                         talloc_asprintf(ctx, "%s:%s",
5449                                         name+19, (const char *) value);
5450
5451                 if (! ipc_srv) {
5452                         /* errno set by smbc_server() */
5453                         ret = -1;
5454                 }
5455                 else if (! namevalue) {
5456                         errno = ENOMEM;
5457                         ret = -1;
5458                 } else {
5459                         ret = cacl_set(ctx, srv->cli,
5460                                        ipc_srv->cli, &pol, path,
5461                                        namevalue, SMBC_XATTR_MODE_CHOWN, 0);
5462                 }
5463                 talloc_destroy(ctx);
5464                 return ret;
5465         }
5466
5467         /* Determine whether to use old-style or new-style attribute names */
5468         if (context->internal->_full_time_names) {
5469                 /* new-style names */
5470                 attr_strings.create_time_attr = "system.dos_attr.CREATE_TIME";
5471                 attr_strings.access_time_attr = "system.dos_attr.ACCESS_TIME";
5472                 attr_strings.write_time_attr = "system.dos_attr.WRITE_TIME";
5473                 attr_strings.change_time_attr = "system.dos_attr.CHANGE_TIME";
5474         } else {
5475                 /* old-style names */
5476                 attr_strings.create_time_attr = NULL;
5477                 attr_strings.access_time_attr = "system.dos_attr.A_TIME";
5478                 attr_strings.write_time_attr = "system.dos_attr.M_TIME";
5479                 attr_strings.change_time_attr = "system.dos_attr.C_TIME";
5480         }
5481
5482         /*
5483          * Are they asking to set a DOS attribute?
5484          */
5485         if (StrCaseCmp(name, "system.dos_attr.*") == 0 ||
5486             StrCaseCmp(name, "system.dos_attr.mode") == 0 ||
5487             (attr_strings.create_time_attr != NULL &&
5488              StrCaseCmp(name, attr_strings.create_time_attr) == 0) ||
5489             StrCaseCmp(name, attr_strings.access_time_attr) == 0 ||
5490             StrCaseCmp(name, attr_strings.write_time_attr) == 0 ||
5491             StrCaseCmp(name, attr_strings.change_time_attr) == 0) {
5492
5493                 /* get a DOS Attribute Descriptor with current attributes */
5494                 dad = dos_attr_query(context, ctx, path, srv);
5495                 if (dad) {
5496                         char *namevalue =
5497                                 talloc_asprintf(ctx, "%s:%s",
5498                                                 name+16, (const char *) value);
5499                         if (! namevalue) {
5500                                 errno = ENOMEM;
5501                                 ret = -1;
5502                         } else {
5503                                 /* Overwrite old with provided new params */
5504                                 dos_attr_parse(context, dad, srv, namevalue);
5505
5506                                 /* Set the new DOS attributes */
5507                                 ret2 = smbc_setatr(context, srv, path,
5508                                                    dad->create_time,
5509                                                    dad->access_time,
5510                                                    dad->write_time,
5511                                                    dad->change_time,
5512                                                    dad->mode);
5513
5514                                 /* ret2 has True (success) / False (failure) */
5515                                 if (ret2) {
5516                                         ret = 0;
5517                                 } else {
5518                                         ret = -1;
5519                                 }
5520                         }
5521                 } else {
5522                         ret = -1;
5523                 }
5524
5525                 talloc_destroy(ctx);
5526                 return ret;
5527         }
5528
5529         /* Unsupported attribute name */
5530         talloc_destroy(ctx);
5531         errno = EINVAL;
5532         return -1;
5533 }
5534
5535 static int
5536 smbc_getxattr_ctx(SMBCCTX *context,
5537                   const char *fname,
5538                   const char *name,
5539                   const void *value,
5540                   size_t size)
5541 {
5542         int ret;
5543         SMBCSRV *srv;
5544         SMBCSRV *ipc_srv;
5545         fstring server;
5546         fstring share;
5547         fstring user;
5548         fstring password;
5549         fstring workgroup;
5550         pstring path;
5551         TALLOC_CTX *ctx;
5552         POLICY_HND pol;
5553         struct {
5554                 const char * create_time_attr;
5555                 const char * access_time_attr;
5556                 const char * write_time_attr;
5557                 const char * change_time_attr;
5558         } attr_strings;
5559
5560
5561         if (!context || !context->internal ||
5562             !context->internal->_initialized) {
5563
5564                 errno = EINVAL;  /* Best I can think of ... */
5565                 return -1;
5566
5567         }
5568
5569         if (!fname) {
5570
5571                 errno = EINVAL;
5572                 return -1;
5573
5574         }
5575
5576         DEBUG(4, ("smbc_getxattr(%s, %s)\n", fname, name));
5577
5578         if (smbc_parse_path(context, fname,
5579                             workgroup, sizeof(workgroup),
5580                             server, sizeof(server),
5581                             share, sizeof(share),
5582                             path, sizeof(path),
5583                             user, sizeof(user),
5584                             password, sizeof(password),
5585                             NULL, 0)) {
5586                 errno = EINVAL;
5587                 return -1;
5588         }
5589
5590         if (user[0] == (char)0) fstrcpy(user, context->user);
5591
5592         srv = smbc_server(context, True,
5593                           server, share, workgroup, user, password);
5594         if (!srv) {
5595                 return -1;  /* errno set by smbc_server */
5596         }
5597
5598         if (! srv->no_nt_session) {
5599                 ipc_srv = smbc_attr_server(context, server, share,
5600                                            workgroup, user, password,
5601                                            &pol);
5602                 if (! ipc_srv) {
5603                         srv->no_nt_session = True;
5604                 }
5605         } else {
5606                 ipc_srv = NULL;
5607         }
5608
5609         ctx = talloc_init("smbc:getxattr");
5610         if (!ctx) {
5611                 errno = ENOMEM;
5612                 return -1;
5613         }
5614
5615         /* Determine whether to use old-style or new-style attribute names */
5616         if (context->internal->_full_time_names) {
5617                 /* new-style names */
5618                 attr_strings.create_time_attr = "system.dos_attr.CREATE_TIME";
5619                 attr_strings.access_time_attr = "system.dos_attr.ACCESS_TIME";
5620                 attr_strings.write_time_attr = "system.dos_attr.WRITE_TIME";
5621                 attr_strings.change_time_attr = "system.dos_attr.CHANGE_TIME";
5622         } else {
5623                 /* old-style names */
5624                 attr_strings.create_time_attr = NULL;
5625                 attr_strings.access_time_attr = "system.dos_attr.A_TIME";
5626                 attr_strings.write_time_attr = "system.dos_attr.M_TIME";
5627                 attr_strings.change_time_attr = "system.dos_attr.C_TIME";
5628         }
5629
5630         /* Are they requesting a supported attribute? */
5631         if (StrCaseCmp(name, "system.*") == 0 ||
5632             StrnCaseCmp(name, "system.*!", 9) == 0 ||
5633             StrCaseCmp(name, "system.*+") == 0 ||
5634             StrnCaseCmp(name, "system.*+!", 10) == 0 ||
5635             StrCaseCmp(name, "system.nt_sec_desc.*") == 0 ||
5636             StrnCaseCmp(name, "system.nt_sec_desc.*!", 21) == 0 ||
5637             StrCaseCmp(name, "system.nt_sec_desc.*+") == 0 ||
5638             StrnCaseCmp(name, "system.nt_sec_desc.*+!", 22) == 0 ||
5639             StrCaseCmp(name, "system.nt_sec_desc.revision") == 0 ||
5640             StrCaseCmp(name, "system.nt_sec_desc.owner") == 0 ||
5641             StrCaseCmp(name, "system.nt_sec_desc.owner+") == 0 ||
5642             StrCaseCmp(name, "system.nt_sec_desc.group") == 0 ||
5643             StrCaseCmp(name, "system.nt_sec_desc.group+") == 0 ||
5644             StrnCaseCmp(name, "system.nt_sec_desc.acl", 22) == 0 ||
5645             StrnCaseCmp(name, "system.nt_sec_desc.acl+", 23) == 0 ||
5646             StrCaseCmp(name, "system.dos_attr.*") == 0 ||
5647             StrnCaseCmp(name, "system.dos_attr.*!", 18) == 0 ||
5648             StrCaseCmp(name, "system.dos_attr.mode") == 0 ||
5649             StrCaseCmp(name, "system.dos_attr.size") == 0 ||
5650             (attr_strings.create_time_attr != NULL &&
5651              StrCaseCmp(name, attr_strings.create_time_attr) == 0) ||
5652             StrCaseCmp(name, attr_strings.access_time_attr) == 0 ||
5653             StrCaseCmp(name, attr_strings.write_time_attr) == 0 ||
5654             StrCaseCmp(name, attr_strings.change_time_attr) == 0 ||
5655             StrCaseCmp(name, "system.dos_attr.inode") == 0) {
5656
5657                 /* Yup. */
5658                 ret = cacl_get(context, ctx, srv,
5659                                ipc_srv == NULL ? NULL : ipc_srv->cli,
5660                                &pol, path,
5661                                CONST_DISCARD(char *, name),
5662                                CONST_DISCARD(char *, value), size);
5663                 if (ret < 0 && errno == 0) {
5664                         errno = smbc_errno(context, srv->cli);
5665                 }
5666                 talloc_destroy(ctx);
5667                 return ret;
5668         }
5669
5670         /* Unsupported attribute name */
5671         talloc_destroy(ctx);
5672         errno = EINVAL;
5673         return -1;
5674 }
5675
5676
5677 static int
5678 smbc_removexattr_ctx(SMBCCTX *context,
5679                      const char *fname,
5680                      const char *name)
5681 {
5682         int ret;
5683         SMBCSRV *srv;
5684         SMBCSRV *ipc_srv;
5685         fstring server;
5686         fstring share;
5687         fstring user;
5688         fstring password;
5689         fstring workgroup;
5690         pstring path;
5691         TALLOC_CTX *ctx;
5692         POLICY_HND pol;
5693
5694         if (!context || !context->internal ||
5695             !context->internal->_initialized) {
5696
5697                 errno = EINVAL;  /* Best I can think of ... */
5698                 return -1;
5699
5700         }
5701
5702         if (!fname) {
5703
5704                 errno = EINVAL;
5705                 return -1;
5706
5707         }
5708
5709         DEBUG(4, ("smbc_removexattr(%s, %s)\n", fname, name));
5710
5711         if (smbc_parse_path(context, fname,
5712                             workgroup, sizeof(workgroup),
5713                             server, sizeof(server),
5714                             share, sizeof(share),
5715                             path, sizeof(path),
5716                             user, sizeof(user),
5717                             password, sizeof(password),
5718                             NULL, 0)) {
5719                 errno = EINVAL;
5720                 return -1;
5721         }
5722
5723         if (user[0] == (char)0) fstrcpy(user, context->user);
5724
5725         srv = smbc_server(context, True,
5726                           server, share, workgroup, user, password);
5727         if (!srv) {
5728                 return -1;  /* errno set by smbc_server */
5729         }
5730
5731         if (! srv->no_nt_session) {
5732                 ipc_srv = smbc_attr_server(context, server, share,
5733                                            workgroup, user, password,
5734                                            &pol);
5735                 srv->no_nt_session = True;
5736         } else {
5737                 ipc_srv = NULL;
5738         }
5739
5740         if (! ipc_srv) {
5741                 return -1; /* errno set by smbc_attr_server */
5742         }
5743
5744         ctx = talloc_init("smbc_removexattr");
5745         if (!ctx) {
5746                 errno = ENOMEM;
5747                 return -1;
5748         }
5749
5750         /* Are they asking to set the entire ACL? */
5751         if (StrCaseCmp(name, "system.nt_sec_desc.*") == 0 ||
5752             StrCaseCmp(name, "system.nt_sec_desc.*+") == 0) {
5753
5754                 /* Yup. */
5755                 ret = cacl_set(ctx, srv->cli,
5756                                ipc_srv->cli, &pol, path,
5757                                NULL, SMBC_XATTR_MODE_REMOVE_ALL, 0);
5758                 talloc_destroy(ctx);
5759                 return ret;
5760         }
5761
5762         /*
5763          * Are they asking to remove one or more spceific security descriptor
5764          * attributes?
5765          */
5766         if (StrCaseCmp(name, "system.nt_sec_desc.revision") == 0 ||
5767             StrCaseCmp(name, "system.nt_sec_desc.owner") == 0 ||
5768             StrCaseCmp(name, "system.nt_sec_desc.owner+") == 0 ||
5769             StrCaseCmp(name, "system.nt_sec_desc.group") == 0 ||
5770             StrCaseCmp(name, "system.nt_sec_desc.group+") == 0 ||
5771             StrnCaseCmp(name, "system.nt_sec_desc.acl", 22) == 0 ||
5772             StrnCaseCmp(name, "system.nt_sec_desc.acl+", 23) == 0) {
5773
5774                 /* Yup. */
5775                 ret = cacl_set(ctx, srv->cli,
5776                                ipc_srv->cli, &pol, path,
5777                                name + 19, SMBC_XATTR_MODE_REMOVE, 0);
5778                 talloc_destroy(ctx);
5779                 return ret;
5780         }
5781
5782         /* Unsupported attribute name */
5783         talloc_destroy(ctx);
5784         errno = EINVAL;
5785         return -1;
5786 }
5787
5788 static int
5789 smbc_listxattr_ctx(SMBCCTX *context,
5790                    const char *fname,
5791                    char *list,
5792                    size_t size)
5793 {
5794         /*
5795          * This isn't quite what listxattr() is supposed to do.  This returns
5796          * the complete set of attribute names, always, rather than only those
5797          * attribute names which actually exist for a file.  Hmmm...
5798          */
5799         const char supported_old[] =
5800                 "system.*\0"
5801                 "system.*+\0"
5802                 "system.nt_sec_desc.revision\0"
5803                 "system.nt_sec_desc.owner\0"
5804                 "system.nt_sec_desc.owner+\0"
5805                 "system.nt_sec_desc.group\0"
5806                 "system.nt_sec_desc.group+\0"
5807                 "system.nt_sec_desc.acl.*\0"
5808                 "system.nt_sec_desc.acl\0"
5809                 "system.nt_sec_desc.acl+\0"
5810                 "system.nt_sec_desc.*\0"
5811                 "system.nt_sec_desc.*+\0"
5812                 "system.dos_attr.*\0"
5813                 "system.dos_attr.mode\0"
5814                 "system.dos_attr.c_time\0"
5815                 "system.dos_attr.a_time\0"
5816                 "system.dos_attr.m_time\0"
5817                 ;
5818         const char supported_new[] =
5819                 "system.*\0"
5820                 "system.*+\0"
5821                 "system.nt_sec_desc.revision\0"
5822                 "system.nt_sec_desc.owner\0"
5823                 "system.nt_sec_desc.owner+\0"
5824                 "system.nt_sec_desc.group\0"
5825                 "system.nt_sec_desc.group+\0"
5826                 "system.nt_sec_desc.acl.*\0"
5827                 "system.nt_sec_desc.acl\0"
5828                 "system.nt_sec_desc.acl+\0"
5829                 "system.nt_sec_desc.*\0"
5830                 "system.nt_sec_desc.*+\0"
5831                 "system.dos_attr.*\0"
5832                 "system.dos_attr.mode\0"
5833                 "system.dos_attr.create_time\0"
5834                 "system.dos_attr.access_time\0"
5835                 "system.dos_attr.write_time\0"
5836                 "system.dos_attr.change_time\0"
5837                 ;
5838         const char * supported;
5839
5840         if (context->internal->_full_time_names) {
5841                 supported = supported_new;
5842         } else {
5843                 supported = supported_old;
5844         }
5845
5846         if (size == 0) {
5847                 return sizeof(supported);
5848         }
5849
5850         if (sizeof(supported) > size) {
5851                 errno = ERANGE;
5852                 return -1;
5853         }
5854
5855         /* this can't be strcpy() because there are embedded null characters */
5856         memcpy(list, supported, sizeof(supported));
5857         return sizeof(supported);
5858 }
5859
5860
5861 /*
5862  * Open a print file to be written to by other calls
5863  */
5864
5865 static SMBCFILE *
5866 smbc_open_print_job_ctx(SMBCCTX *context,
5867                         const char *fname)
5868 {
5869         fstring server;
5870         fstring share;
5871         fstring user;
5872         fstring password;
5873         pstring path;
5874
5875         if (!context || !context->internal ||
5876             !context->internal->_initialized) {
5877
5878                 errno = EINVAL;
5879                 return NULL;
5880
5881         }
5882
5883         if (!fname) {
5884
5885                 errno = EINVAL;
5886                 return NULL;
5887
5888         }
5889
5890         DEBUG(4, ("smbc_open_print_job_ctx(%s)\n", fname));
5891
5892         if (smbc_parse_path(context, fname,
5893                             NULL, 0,
5894                             server, sizeof(server),
5895                             share, sizeof(share),
5896                             path, sizeof(path),
5897                             user, sizeof(user),
5898                             password, sizeof(password),
5899                             NULL, 0)) {
5900                 errno = EINVAL;
5901                 return NULL;
5902         }
5903
5904         /* What if the path is empty, or the file exists? */
5905
5906         return context->open(context, fname, O_WRONLY, 666);
5907
5908 }
5909
5910 /*
5911  * Routine to print a file on a remote server ...
5912  *
5913  * We open the file, which we assume to be on a remote server, and then
5914  * copy it to a print file on the share specified by printq.
5915  */
5916
5917 static int
5918 smbc_print_file_ctx(SMBCCTX *c_file,
5919                     const char *fname,
5920                     SMBCCTX *c_print,
5921                     const char *printq)
5922 {
5923         SMBCFILE *fid1;
5924         SMBCFILE *fid2;
5925         int bytes;
5926         int saverr;
5927         int tot_bytes = 0;
5928         char buf[4096];
5929
5930         if (!c_file || !c_file->internal->_initialized || !c_print ||
5931             !c_print->internal->_initialized) {
5932
5933                 errno = EINVAL;
5934                 return -1;
5935
5936         }
5937
5938         if (!fname && !printq) {
5939
5940                 errno = EINVAL;
5941                 return -1;
5942
5943         }
5944
5945         /* Try to open the file for reading ... */
5946
5947         if ((long)(fid1 = c_file->open(c_file, fname, O_RDONLY, 0666)) < 0) {
5948
5949                 DEBUG(3, ("Error, fname=%s, errno=%i\n", fname, errno));
5950                 return -1;  /* smbc_open sets errno */
5951
5952         }
5953
5954         /* Now, try to open the printer file for writing */
5955
5956         if ((long)(fid2 = c_print->open_print_job(c_print, printq)) < 0) {
5957
5958                 saverr = errno;  /* Save errno */
5959                 c_file->close_fn(c_file, fid1);
5960                 errno = saverr;
5961                 return -1;
5962
5963         }
5964
5965         while ((bytes = c_file->read(c_file, fid1, buf, sizeof(buf))) > 0) {
5966
5967                 tot_bytes += bytes;
5968
5969                 if ((c_print->write(c_print, fid2, buf, bytes)) < 0) {
5970
5971                         saverr = errno;
5972                         c_file->close_fn(c_file, fid1);
5973                         c_print->close_fn(c_print, fid2);
5974                         errno = saverr;
5975
5976                 }
5977
5978         }
5979
5980         saverr = errno;
5981
5982         c_file->close_fn(c_file, fid1);  /* We have to close these anyway */
5983         c_print->close_fn(c_print, fid2);
5984
5985         if (bytes < 0) {
5986
5987                 errno = saverr;
5988                 return -1;
5989
5990         }
5991
5992         return tot_bytes;
5993
5994 }
5995
5996 /*
5997  * Routine to list print jobs on a printer share ...
5998  */
5999
6000 static int
6001 smbc_list_print_jobs_ctx(SMBCCTX *context,
6002                          const char *fname,
6003                          smbc_list_print_job_fn fn)
6004 {
6005         SMBCSRV *srv;
6006         fstring server;
6007         fstring share;
6008         fstring user;
6009         fstring password;
6010         fstring workgroup;
6011         pstring path;
6012
6013         if (!context || !context->internal ||
6014             !context->internal->_initialized) {
6015
6016                 errno = EINVAL;
6017                 return -1;
6018
6019         }
6020
6021         if (!fname) {
6022
6023                 errno = EINVAL;
6024                 return -1;
6025
6026         }
6027
6028         DEBUG(4, ("smbc_list_print_jobs(%s)\n", fname));
6029
6030         if (smbc_parse_path(context, fname,
6031                             workgroup, sizeof(workgroup),
6032                             server, sizeof(server),
6033                             share, sizeof(share),
6034                             path, sizeof(path),
6035                             user, sizeof(user),
6036                             password, sizeof(password),
6037                             NULL, 0)) {
6038                 errno = EINVAL;
6039                 return -1;
6040         }
6041
6042         if (user[0] == (char)0) fstrcpy(user, context->user);
6043
6044         srv = smbc_server(context, True,
6045                           server, share, workgroup, user, password);
6046
6047         if (!srv) {
6048
6049                 return -1;  /* errno set by smbc_server */
6050
6051         }
6052
6053         if (cli_print_queue(srv->cli,
6054                             (void (*)(struct print_job_info *))fn) < 0) {
6055
6056                 errno = smbc_errno(context, srv->cli);
6057                 return -1;
6058
6059         }
6060
6061         return 0;
6062
6063 }
6064
6065 /*
6066  * Delete a print job from a remote printer share
6067  */
6068
6069 static int
6070 smbc_unlink_print_job_ctx(SMBCCTX *context,
6071                           const char *fname,
6072                           int id)
6073 {
6074         SMBCSRV *srv;
6075         fstring server;
6076         fstring share;
6077         fstring user;
6078         fstring password;
6079         fstring workgroup;
6080         pstring path;
6081         int err;
6082
6083         if (!context || !context->internal ||
6084             !context->internal->_initialized) {
6085
6086                 errno = EINVAL;
6087                 return -1;
6088
6089         }
6090
6091         if (!fname) {
6092
6093                 errno = EINVAL;
6094                 return -1;
6095
6096         }
6097
6098         DEBUG(4, ("smbc_unlink_print_job(%s)\n", fname));
6099
6100         if (smbc_parse_path(context, fname,
6101                             workgroup, sizeof(workgroup),
6102                             server, sizeof(server),
6103                             share, sizeof(share),
6104                             path, sizeof(path),
6105                             user, sizeof(user),
6106                             password, sizeof(password),
6107                             NULL, 0)) {
6108                 errno = EINVAL;
6109                 return -1;
6110         }
6111
6112         if (user[0] == (char)0) fstrcpy(user, context->user);
6113
6114         srv = smbc_server(context, True,
6115                           server, share, workgroup, user, password);
6116
6117         if (!srv) {
6118
6119                 return -1;  /* errno set by smbc_server */
6120
6121         }
6122
6123         if ((err = cli_printjob_del(srv->cli, id)) != 0) {
6124
6125                 if (err < 0)
6126                         errno = smbc_errno(context, srv->cli);
6127                 else if (err == ERRnosuchprintjob)
6128                         errno = EINVAL;
6129                 return -1;
6130
6131         }
6132
6133         return 0;
6134
6135 }
6136
6137 /*
6138  * Get a new empty handle to fill in with your own info
6139  */
6140 SMBCCTX *
6141 smbc_new_context(void)
6142 {
6143         SMBCCTX *context;
6144
6145         context = SMB_MALLOC_P(SMBCCTX);
6146         if (!context) {
6147                 errno = ENOMEM;
6148                 return NULL;
6149         }
6150
6151         ZERO_STRUCTP(context);
6152
6153         context->internal = SMB_MALLOC_P(struct smbc_internal_data);
6154         if (!context->internal) {
6155                 SAFE_FREE(context);
6156                 errno = ENOMEM;
6157                 return NULL;
6158         }
6159
6160         ZERO_STRUCTP(context->internal);
6161
6162
6163         /* ADD REASONABLE DEFAULTS */
6164         context->debug            = 0;
6165         context->timeout          = 20000; /* 20 seconds */
6166
6167         context->options.browse_max_lmb_count      = 3;    /* # LMBs to query */
6168         context->options.urlencode_readdir_entries = False;/* backward compat */
6169         context->options.one_share_per_server      = False;/* backward compat */
6170         context->internal->_share_mode             = SMBC_SHAREMODE_DENY_NONE;
6171                                 /* backward compat */
6172
6173         context->open                              = smbc_open_ctx;
6174         context->creat                             = smbc_creat_ctx;
6175         context->read                              = smbc_read_ctx;
6176         context->write                             = smbc_write_ctx;
6177         context->close_fn                          = smbc_close_ctx;
6178         context->unlink                            = smbc_unlink_ctx;
6179         context->rename                            = smbc_rename_ctx;
6180         context->lseek                             = smbc_lseek_ctx;
6181         context->stat                              = smbc_stat_ctx;
6182         context->fstat                             = smbc_fstat_ctx;
6183         context->opendir                           = smbc_opendir_ctx;
6184         context->closedir                          = smbc_closedir_ctx;
6185         context->readdir                           = smbc_readdir_ctx;
6186         context->getdents                          = smbc_getdents_ctx;
6187         context->mkdir                             = smbc_mkdir_ctx;
6188         context->rmdir                             = smbc_rmdir_ctx;
6189         context->telldir                           = smbc_telldir_ctx;
6190         context->lseekdir                          = smbc_lseekdir_ctx;
6191         context->fstatdir                          = smbc_fstatdir_ctx;
6192         context->chmod                             = smbc_chmod_ctx;
6193         context->utimes                            = smbc_utimes_ctx;
6194         context->setxattr                          = smbc_setxattr_ctx;
6195         context->getxattr                          = smbc_getxattr_ctx;
6196         context->removexattr                       = smbc_removexattr_ctx;
6197         context->listxattr                         = smbc_listxattr_ctx;
6198         context->open_print_job                    = smbc_open_print_job_ctx;
6199         context->print_file                        = smbc_print_file_ctx;
6200         context->list_print_jobs                   = smbc_list_print_jobs_ctx;
6201         context->unlink_print_job                  = smbc_unlink_print_job_ctx;
6202
6203         context->callbacks.check_server_fn         = smbc_check_server;
6204         context->callbacks.remove_unused_server_fn = smbc_remove_unused_server;
6205
6206         smbc_default_cache_functions(context);
6207
6208         return context;
6209 }
6210
6211 /*
6212  * Free a context
6213  *
6214  * Returns 0 on success. Otherwise returns 1, the SMBCCTX is _not_ freed
6215  * and thus you'll be leaking memory if not handled properly.
6216  *
6217  */
6218 int
6219 smbc_free_context(SMBCCTX *context,
6220                   int shutdown_ctx)
6221 {
6222         if (!context) {
6223                 errno = EBADF;
6224                 return 1;
6225         }
6226
6227         if (shutdown_ctx) {
6228                 SMBCFILE * f;
6229                 DEBUG(1,("Performing aggressive shutdown.\n"));
6230
6231                 f = context->internal->_files;
6232                 while (f) {
6233                         context->close_fn(context, f);
6234                         f = f->next;
6235                 }
6236                 context->internal->_files = NULL;
6237
6238                 /* First try to remove the servers the nice way. */
6239                 if (context->callbacks.purge_cached_fn(context)) {
6240                         SMBCSRV * s;
6241                         SMBCSRV * next;
6242                         DEBUG(1, ("Could not purge all servers, "
6243                                   "Nice way shutdown failed.\n"));
6244                         s = context->internal->_servers;
6245                         while (s) {
6246                                 DEBUG(1, ("Forced shutdown: %p (fd=%d)\n",
6247                                           s, s->cli->fd));
6248                                 cli_shutdown(s->cli);
6249                                 context->callbacks.remove_cached_srv_fn(context,
6250                                                                         s);
6251                                 next = s->next;
6252                                 DLIST_REMOVE(context->internal->_servers, s);
6253                                 SAFE_FREE(s);
6254                                 s = next;
6255                         }
6256                         context->internal->_servers = NULL;
6257                 }
6258         }
6259         else {
6260                 /* This is the polite way */
6261                 if (context->callbacks.purge_cached_fn(context)) {
6262                         DEBUG(1, ("Could not purge all servers, "
6263                                   "free_context failed.\n"));
6264                         errno = EBUSY;
6265                         return 1;
6266                 }
6267                 if (context->internal->_servers) {
6268                         DEBUG(1, ("Active servers in context, "
6269                                   "free_context failed.\n"));
6270                         errno = EBUSY;
6271                         return 1;
6272                 }
6273                 if (context->internal->_files) {
6274                         DEBUG(1, ("Active files in context, "
6275                                   "free_context failed.\n"));
6276                         errno = EBUSY;
6277                         return 1;
6278                 }
6279         }
6280
6281         /* Things we have to clean up */
6282         SAFE_FREE(context->workgroup);
6283         SAFE_FREE(context->netbios_name);
6284         SAFE_FREE(context->user);
6285
6286         DEBUG(3, ("Context %p succesfully freed\n", context));
6287         SAFE_FREE(context->internal);
6288         SAFE_FREE(context);
6289         return 0;
6290 }
6291
6292
6293 /*
6294  * Each time the context structure is changed, we have binary backward
6295  * compatibility issues.  Instead of modifying the public portions of the
6296  * context structure to add new options, instead, we put them in the internal
6297  * portion of the context structure and provide a set function for these new
6298  * options.
6299  */
6300 void
6301 smbc_option_set(SMBCCTX *context,
6302                 char *option_name,
6303                 ... /* option_value */)
6304 {
6305         va_list ap;
6306         union {
6307                 int i;
6308                 BOOL b;
6309                 smbc_get_auth_data_with_context_fn auth_fn;
6310                 void *v;
6311         } option_value;
6312
6313         va_start(ap, option_name);
6314
6315         if (strcmp(option_name, "debug_to_stderr") == 0) {
6316                 /*
6317                  * Log to standard error instead of standard output.
6318                  */
6319                 option_value.b = (BOOL) va_arg(ap, int);
6320                 context->internal->_debug_stderr = option_value.b;
6321
6322         } else if (strcmp(option_name, "full_time_names") == 0) {
6323                 /*
6324                  * Use new-style time attribute names, e.g. WRITE_TIME rather
6325                  * than the old-style names such as M_TIME.  This allows also
6326                  * setting/getting CREATE_TIME which was previously
6327                  * unimplemented.  (Note that the old C_TIME was supposed to
6328                  * be CHANGE_TIME but was confused and sometimes referred to
6329                  * CREATE_TIME.)
6330                  */
6331                 option_value.b = (BOOL) va_arg(ap, int);
6332                 context->internal->_full_time_names = option_value.b;
6333
6334         } else if (strcmp(option_name, "open_share_mode") == 0) {
6335                 /*
6336                  * The share mode to use for files opened with
6337                  * smbc_open_ctx().  The default is SMBC_SHAREMODE_DENY_NONE.
6338                  */
6339                 option_value.i = va_arg(ap, int);
6340                 context->internal->_share_mode =
6341                         (smbc_share_mode) option_value.i;
6342
6343         } else if (strcmp(option_name, "auth_function") == 0) {
6344                 /*
6345                  * Use the new-style authentication function which includes
6346                  * the context.
6347                  */
6348                 option_value.auth_fn =
6349                         va_arg(ap, smbc_get_auth_data_with_context_fn);
6350                 context->internal->_auth_fn_with_context =
6351                         option_value.auth_fn;
6352         } else if (strcmp(option_name, "user_data") == 0) {
6353                 /*
6354                  * Save a user data handle which may be retrieved by the user
6355                  * with smbc_option_get()
6356                  */
6357                 option_value.v = va_arg(ap, void *);
6358                 context->internal->_user_data = option_value.v;
6359         }
6360
6361         va_end(ap);
6362 }
6363
6364
6365 /*
6366  * Retrieve the current value of an option
6367  */
6368 void *
6369 smbc_option_get(SMBCCTX *context,
6370                 char *option_name)
6371 {
6372         if (strcmp(option_name, "debug_stderr") == 0) {
6373                 /*
6374                  * Log to standard error instead of standard output.
6375                  */
6376 #if defined(__intptr_t_defined) || defined(HAVE_INTPTR_T)
6377                 return (void *) (intptr_t) context->internal->_debug_stderr;
6378 #else
6379                 return (void *) context->internal->_debug_stderr;
6380 #endif
6381         } else if (strcmp(option_name, "full_time_names") == 0) {
6382                 /*
6383                  * Use new-style time attribute names, e.g. WRITE_TIME rather
6384                  * than the old-style names such as M_TIME.  This allows also
6385                  * setting/getting CREATE_TIME which was previously
6386                  * unimplemented.  (Note that the old C_TIME was supposed to
6387                  * be CHANGE_TIME but was confused and sometimes referred to
6388                  * CREATE_TIME.)
6389                  */
6390 #if defined(__intptr_t_defined) || defined(HAVE_INTPTR_T)
6391                 return (void *) (intptr_t) context->internal->_full_time_names;
6392 #else
6393                 return (void *) context->internal->_full_time_names;
6394 #endif
6395
6396         } else if (strcmp(option_name, "auth_function") == 0) {
6397                 /*
6398                  * Use the new-style authentication function which includes
6399                  * the context.
6400                  */
6401                 return (void *) context->internal->_auth_fn_with_context;
6402         } else if (strcmp(option_name, "user_data") == 0) {
6403                 /*
6404                  * Save a user data handle which may be retrieved by the user
6405                  * with smbc_option_get()
6406                  */
6407                 return context->internal->_user_data;
6408         }
6409
6410         return NULL;
6411 }
6412
6413
6414 /*
6415  * Initialise the library etc
6416  *
6417  * We accept a struct containing handle information.
6418  * valid values for info->debug from 0 to 100,
6419  * and insist that info->fn must be non-null.
6420  */
6421 SMBCCTX *
6422 smbc_init_context(SMBCCTX *context)
6423 {
6424         pstring conf;
6425         int pid;
6426         char *user = NULL;
6427         char *home = NULL;
6428
6429         if (!context || !context->internal) {
6430                 errno = EBADF;
6431                 return NULL;
6432         }
6433
6434         /* Do not initialise the same client twice */
6435         if (context->internal->_initialized) {
6436                 return 0;
6437         }
6438
6439         if ((!context->callbacks.auth_fn &&
6440              !context->internal->_auth_fn_with_context) ||
6441             context->debug < 0 ||
6442             context->debug > 100) {
6443
6444                 errno = EINVAL;
6445                 return NULL;
6446
6447         }
6448
6449         if (!smbc_initialized) {
6450                 /*
6451                  * Do some library-wide intializations the first time we get
6452                  * called
6453                  */
6454                 BOOL conf_loaded = False;
6455
6456                 /* Set this to what the user wants */
6457                 DEBUGLEVEL = context->debug;
6458
6459                 load_case_tables();
6460
6461                 setup_logging("libsmbclient", True);
6462                 if (context->internal->_debug_stderr) {
6463                         dbf = x_stderr;
6464                         x_setbuf(x_stderr, NULL);
6465                 }
6466
6467                 /* Here we would open the smb.conf file if needed ... */
6468
6469                 in_client = True; /* FIXME, make a param */
6470
6471                 home = getenv("HOME");
6472                 if (home) {
6473                         slprintf(conf, sizeof(conf), "%s/.smb/smb.conf", home);
6474                         if (lp_load(conf, True, False, False, True)) {
6475                                 conf_loaded = True;
6476                         } else {
6477                                 DEBUG(5, ("Could not load config file: %s\n",
6478                                           conf));
6479                         }
6480                 }
6481
6482                 if (!conf_loaded) {
6483                         /*
6484                          * Well, if that failed, try the dyn_CONFIGFILE
6485                          * Which points to the standard locn, and if that
6486                          * fails, silently ignore it and use the internal
6487                          * defaults ...
6488                          */
6489
6490                         if (!lp_load(dyn_CONFIGFILE, True, False, False, False)) {
6491                                 DEBUG(5, ("Could not load config file: %s\n",
6492                                           dyn_CONFIGFILE));
6493                         } else if (home) {
6494                                 /*
6495                                  * We loaded the global config file.  Now lets
6496                                  * load user-specific modifications to the
6497                                  * global config.
6498                                  */
6499                                 slprintf(conf, sizeof(conf),
6500                                          "%s/.smb/smb.conf.append", home);
6501                                 if (!lp_load(conf, True, False, False, False)) {
6502                                         DEBUG(10,
6503                                               ("Could not append config file: "
6504                                                "%s\n",
6505                                                conf));
6506                                 }
6507                         }
6508                 }
6509
6510                 load_interfaces();  /* Load the list of interfaces ... */
6511
6512                 reopen_logs();  /* Get logging working ... */
6513
6514                 /*
6515                  * Block SIGPIPE (from lib/util_sock.c: write())
6516                  * It is not needed and should not stop execution
6517                  */
6518                 BlockSignals(True, SIGPIPE);
6519
6520                 /* Done with one-time initialisation */
6521                 smbc_initialized = 1;
6522
6523         }
6524
6525         if (!context->user) {
6526                 /*
6527                  * FIXME: Is this the best way to get the user info?
6528                  */
6529                 user = getenv("USER");
6530                 /* walk around as "guest" if no username can be found */
6531                 if (!user) context->user = SMB_STRDUP("guest");
6532                 else context->user = SMB_STRDUP(user);
6533         }
6534
6535         if (!context->netbios_name) {
6536                 /*
6537                  * We try to get our netbios name from the config. If that
6538                  * fails we fall back on constructing our netbios name from
6539                  * our hostname etc
6540                  */
6541                 if (global_myname()) {
6542                         context->netbios_name = SMB_STRDUP(global_myname());
6543                 }
6544                 else {
6545                         /*
6546                          * Hmmm, I want to get hostname as well, but I am too
6547                          * lazy for the moment
6548                          */
6549                         pid = sys_getpid();
6550                         context->netbios_name = (char *)SMB_MALLOC(17);
6551                         if (!context->netbios_name) {
6552                                 errno = ENOMEM;
6553                                 return NULL;
6554                         }
6555                         slprintf(context->netbios_name, 16,
6556                                  "smbc%s%d", context->user, pid);
6557                 }
6558         }
6559
6560         DEBUG(1, ("Using netbios name %s.\n", context->netbios_name));
6561
6562         if (!context->workgroup) {
6563                 if (lp_workgroup()) {
6564                         context->workgroup = SMB_STRDUP(lp_workgroup());
6565                 }
6566                 else {
6567                         /* TODO: Think about a decent default workgroup */
6568                         context->workgroup = SMB_STRDUP("samba");
6569                 }
6570         }
6571
6572         DEBUG(1, ("Using workgroup %s.\n", context->workgroup));
6573
6574         /* shortest timeout is 1 second */
6575         if (context->timeout > 0 && context->timeout < 1000)
6576                 context->timeout = 1000;
6577
6578         /*
6579          * FIXME: Should we check the function pointers here?
6580          */
6581
6582         context->internal->_initialized = True;
6583
6584         return context;
6585 }
6586
6587
6588 /* Return the verion of samba, and thus libsmbclient */
6589 const char *
6590 smbc_version(void)
6591 {
6592         return samba_version_string();
6593 }