source3/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
   9    This program is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 2 of the License, or
  12    (at your option) any later version.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program; if not, write to the Free Software
  21    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  22 */
  23
  24 #include "includes.h"
  25
  26 #include "../include/libsmb_internal.h"
  27
  28 /*
  29  * Functions exported by libsmb_cache.c that we need here
  30  */
  31 int smbc_default_cache_functions(SMBCCTX *context);
  32
  33 /*
  34  * check if an element is part of the list.
  35  * FIXME: Does not belong here !
  36  * Can anyone put this in a macro in dlinklist.h ?
  37  * -- Tom
  38  */
  39 static int DLIST_CONTAINS(SMBCFILE * list, SMBCFILE *p) {
  40         if (!p || !list) return False;
  41         do {
  42                 if (p == list) return True;
  43                 list = list->next;
  44         } while (list);
  45         return False;
  46 }
  47
  48 extern BOOL in_client;
  49
  50 /*
  51  * Is the logging working / configfile read ?
  52  */
  53 static int smbc_initialized = 0;
  54
  55 static int
  56 hex2int( unsigned int _char )
  57 {
  58     if ( _char >= 'A' && _char <='F')
  59         return _char - 'A' + 10;
  60     if ( _char >= 'a' && _char <='f')
  61         return _char - 'a' + 10;
  62     if ( _char >= '0' && _char <='9')
  63         return _char - '0';
  64     return -1;
  65 }
  66
  67 static void
  68 decode_urlpart(char *segment)
  69 {
  70     int old_length = strlen(segment);
  71     int new_length = 0;
  72     int new_length2 = 0;
  73     int i = 0;
  74     pstring new_segment;
  75     char *new_usegment = 0;
  76
  77     if ( !old_length ) {
  78         return;
  79     }
  80
  81     /* make a copy of the old one */
  82     new_usegment = (char*)malloc( old_length * 3 + 1 );
  83
  84     while( i < old_length ) {
  85         int bReencode = False;
  86         unsigned char character = segment[ i++ ];
  87         if ((character <= ' ') || (character > 127))
  88             bReencode = True;
  89
  90         new_usegment [ new_length2++ ] = character;
  91         if (character == '%' ) {
  92             int a = i+1 < old_length ? hex2int( segment[i] ) : -1;
  93             int b = i+1 < old_length ? hex2int( segment[i+1] ) : -1;
  94             if ((a == -1) || (b == -1)) { /* Only replace if sequence is valid */
  95                 /* Contains stray %, make sure to re-encode! */
  96                 bReencode = True;
  97             } else {
  98                 /* Valid %xx sequence */
  99                 character = a * 16 + b; /* Replace with value of %dd */
 100                 if (!character)
 101                     break; /* Stop at %00 */
 102
 103                 new_usegment [ new_length2++ ] = (unsigned char) segment[i++];
 104                 new_usegment [ new_length2++ ] = (unsigned char) segment[i++];
 105             }
 106         }
 107         if (bReencode) {
 108             unsigned int c = character / 16;
 109             new_length2--;
 110             new_usegment [ new_length2++ ] = '%';
 111
 112             c += (c > 9) ? ('A' - 10) : '0';
 113             new_usegment[ new_length2++ ] = c;
 114
 115             c = character % 16;
 116             c += (c > 9) ? ('A' - 10) : '0';
 117             new_usegment[ new_length2++ ] = c;
 118         }
 119
 120         new_segment [ new_length++ ] = character;
 121     }
 122     new_segment [ new_length ] = 0;
 123
 124     /* this assumes (very safely) that removing %aa sequences
 125        only shortens the string */
 126     strncpy(segment, new_segment, old_length);
 127
 128     free(new_usegment);
 129 }
 130
 131 /*
 132  * Function to parse a path and turn it into components
 133  *
 134  * We accept smb://[[[domain;]user[:password@]]server[/share[/path[/file]]]]
 135  *
 136  * smb://       means show all the workgroups
 137  * smb://name/  means, if name<1D> or name<1B> exists, list servers in workgroup,
 138  *              else, if name<20> exists, list all shares for server ...
 139  */
 140
 141 static const char *smbc_prefix = "smb:";
 142
 143 static int
 144 smbc_parse_path(SMBCCTX *context, const char *fname, char *server, char *share, char *path,
 145                 char *user, char *password) /* FIXME, lengths of strings */
 146 {
 147         static pstring s;
 148         pstring userinfo;
 149         const char *p;
 150         char *q, *r;
 151         int len;
 152
 153         server[0] = share[0] = path[0] = user[0] = password[0] = (char)0;
 154         pstrcpy(s, fname);
 155
 156         /*  clean_fname(s);  causing problems ... */
 157
 158         /* see if it has the right prefix */
 159         len = strlen(smbc_prefix);
 160         if (strncmp(s,smbc_prefix,len) ||
 161             (s[len] != '/' && s[len] != 0)) return -1; /* What about no smb: ? */
 162
 163         p = s + len;
 164
 165         /* Watch the test below, we are testing to see if we should exit */
 166
 167         if (strncmp(p, "//", 2) && strncmp(p, "\\\\", 2)) {
 168
 169                 return -1;
 170
 171         }
 172
 173         p += 2;  /* Skip the // or \\  */
 174
 175         if (*p == (char)0)
 176             goto decoding;
 177
 178         if (*p == '/') {
 179
 180                 strncpy(server, context->workgroup,
 181                         (strlen(context->workgroup) < 16)?strlen(context->workgroup):16);
 182                 return 0;
 183
 184         }
 185
 186         /*
 187          * ok, its for us. Now parse out the server, share etc.
 188          *
 189          * However, we want to parse out [[domain;]user[:password]@] if it
 190          * exists ...
 191          */
 192
 193         /* check that '@' occurs before '/', if '/' exists at all */
 194         q = strchr_m(p, '@');
 195         r = strchr_m(p, '/');
 196         if (q && (!r || q < r)) {
 197                 pstring username, passwd, domain;
 198                 const char *u = userinfo;
 199
 200                 next_token(&p, userinfo, "@", sizeof(fstring));
 201
 202                 username[0] = passwd[0] = domain[0] = 0;
 203
 204                 if (strchr_m(u, ';')) {
 205
 206                         next_token(&u, domain, ";", sizeof(fstring));
 207
 208                 }
 209
 210                 if (strchr_m(u, ':')) {
 211
 212                         next_token(&u, username, ":", sizeof(fstring));
 213
 214                         pstrcpy(passwd, u);
 215
 216                 }
 217                 else {
 218
 219                         pstrcpy(username, u);
 220
 221                 }
 222
 223                 if (username[0])
 224                         strncpy(user, username, sizeof(fstring));  /* FIXME, size and domain */
 225
 226                 if (passwd[0])
 227                         strncpy(password, passwd, sizeof(fstring)); /* FIXME, size */
 228
 229         }
 230
 231         if (!next_token(&p, server, "/", sizeof(fstring))) {
 232
 233                 return -1;
 234
 235         }
 236
 237         if (*p == (char)0) goto decoding;  /* That's it ... */
 238
 239         if (!next_token(&p, share, "/", sizeof(fstring))) {
 240
 241                 return -1;
 242
 243         }
 244
 245         pstrcpy(path, p);
 246
 247         all_string_sub(path, "/", "\\", 0);
 248
 249  decoding:
 250         decode_urlpart(path);
 251         decode_urlpart(server);
 252         decode_urlpart(share);
 253         decode_urlpart(user);
 254         decode_urlpart(password);
 255
 256         return 0;
 257 }
 258
 259 /*
 260  * Convert an SMB error into a UNIX error ...
 261  */
 262
 263 static int smbc_errno(SMBCCTX *context, struct cli_state *c)
 264 {
 265         int ret = cli_errno(c);
 266
 267         if (cli_is_dos_error(c)) {
 268                 uint8 eclass;
 269                 uint32 ecode;
 270
 271                 cli_dos_error(c, &eclass, &ecode);
 272
 273                 DEBUG(3,("smbc_error %d %d (0x%x) -> %d\n",
 274                          (int)eclass, (int)ecode, (int)ecode, ret));
 275         } else {
 276                 NTSTATUS status;
 277
 278                 status = cli_nt_error(c);
 279
 280                 DEBUG(3,("smbc errno %s -> %d\n",
 281                          nt_errstr(status), ret));
 282         }
 283
 284         return ret;
 285 }
 286
 287 /*
 288  * Check a server_fd.
 289  * returns 0 if the server is in shape. Returns 1 on error
 290  *
 291  * Also useable outside libsmbclient to enable external cache
 292  * to do some checks too.
 293  */
 294 int smbc_check_server(SMBCCTX * context, SMBCSRV * server)
 295 {
 296         if ( send_keepalive(server->cli.fd) == False )
 297                 return 1;
 298
 299         /* connection is ok */
 300         return 0;
 301 }
 302
 303 /*
 304  * Remove a server from the cached server list it's unused.
 305  * On success, 0 is returned. 1 is returned if the server could not be removed.
 306  *
 307  * Also useable outside libsmbclient
 308  */
 309 int smbc_remove_unused_server(SMBCCTX * context, SMBCSRV * srv)
 310 {
 311         SMBCFILE * file;
 312
 313         /* are we being fooled ? */
 314         if (!context || !context->internal ||
 315             !context->internal->_initialized || !srv) return 1;
 316
 317
 318         /* Check all open files/directories for a relation with this server */
 319         for (file = context->internal->_files; file; file=file->next) {
 320                 if (file->srv == srv) {
 321                         /* Still used */
 322                         DEBUG(3, ("smbc_remove_usused_server: %p still used by %p.\n",
 323                                   srv, file));
 324                         return 1;
 325                 }
 326         }
 327
 328         DLIST_REMOVE(context->internal->_servers, srv);
 329
 330         cli_shutdown(&srv->cli);
 331
 332         DEBUG(3, ("smbc_remove_usused_server: %p removed.\n", srv));
 333
 334         context->callbacks.remove_cached_srv_fn(context, srv);
 335
 336         SAFE_FREE(srv);
 337
 338         return 0;
 339 }
 340
 341 /*
 342  * Connect to a server, possibly on an existing connection
 343  *
 344  * Here, what we want to do is: If the server and username
 345  * match an existing connection, reuse that, otherwise, establish a
 346  * new connection.
 347  *
 348  * If we have to create a new connection, call the auth_fn to get the
 349  * info we need, unless the username and password were passed in.
 350  */
 351
 352 SMBCSRV *smbc_server(SMBCCTX *context,
 353                      char *server, char *share,
 354                      char *workgroup, char *username,
 355                      char *password)
 356 {
 357         SMBCSRV *srv=NULL;
 358         int auth_called = 0;
 359         struct cli_state c;
 360         struct nmb_name called, calling;
 361         char *p, *server_n = server;
 362         fstring group;
 363         pstring ipenv;
 364         struct in_addr ip;
 365         int tried_reverse = 0;
 366
 367         zero_ip(&ip);
 368         ZERO_STRUCT(c);
 369
 370         if (server[0] == 0) {
 371                 errno = EPERM;
 372                 return NULL;
 373         }
 374
 375  check_server_cache:
 376
 377         srv = context->callbacks.get_cached_srv_fn(context, server, share,
 378                                                    workgroup, username);
 379
 380         if (!auth_called && !srv && (!username[0] || !password[0])) {
 381                 context->callbacks.auth_fn(server, share, workgroup, sizeof(fstring),
 382                              username, sizeof(fstring), password, sizeof(fstring));
 383                 /*
 384                  * However, smbc_auth_fn may have picked up info relating to an
 385                  * existing connection, so try for an existing connection again ...
 386                  */
 387                 auth_called = 1;
 388                 goto check_server_cache;
 389
 390         }
 391
 392         if (srv) {
 393                 if (context->callbacks.check_server_fn(context, srv)) {
 394                         /*
 395                          * This server is no good anymore
 396                          * Try to remove it and check for more possible servers in the cache
 397                          */
 398                         if (context->callbacks.remove_unused_server_fn(context, srv)) {
 399                                 /*
 400                                  * We could not remove the server completely, remove it from the cache
 401                                  * so we will not get it again. It will be removed when the last file/dir
 402                                  * is closed.
 403                                  */
 404                                 context->callbacks.remove_cached_srv_fn(context, srv);
 405                         }
 406
 407                         /*
 408                          * Maybe there are more cached connections to this server
 409                          */
 410                         goto check_server_cache;
 411                 }
 412                 return srv;
 413         }
 414
 415         make_nmb_name(&calling, context->netbios_name, 0x0);
 416         make_nmb_name(&called , server, 0x20);
 417
 418         DEBUG(4,("smbc_server: server_n=[%s] server=[%s]\n", server_n, server));
 419
 420         if ((p=strchr_m(server_n,'#')) &&
 421             (strcmp(p+1,"1D")==0 || strcmp(p+1,"01")==0)) {
 422
 423                 fstrcpy(group, server_n);
 424                 p = strchr_m(group,'#');
 425                 *p = 0;
 426
 427         }
 428
 429         DEBUG(4,(" -> server_n=[%s] server=[%s]\n", server_n, server));
 430
 431  again:
 432         slprintf(ipenv,sizeof(ipenv)-1,"HOST_%s", server_n);
 433
 434         zero_ip(&ip);
 435
 436         /* have to open a new connection */
 437         if (!cli_initialise(&c)) {
 438                 errno = ENOENT;
 439                 return NULL;
 440         }
 441
 442         c.timeout = context->timeout;
 443
 444         if (!cli_connect(&c, server_n, &ip)) {
 445                 cli_shutdown(&c);
 446                 errno = ENOENT;
 447                 return NULL;
 448         }
 449
 450         if (!cli_session_request(&c, &calling, &called)) {
 451                 cli_shutdown(&c);
 452                 if (strcmp(called.name, "*SMBSERVER")) {
 453                         make_nmb_name(&called , "*SMBSERVER", 0x20);
 454                         goto again;
 455                 }
 456                 else {  /* Try one more time, but ensure we don't loop */
 457
 458                   /* Only try this if server is an IP address ... */
 459
 460                   if (is_ipaddress(server) && !tried_reverse) {
 461                     fstring remote_name;
 462                     struct in_addr rem_ip;
 463
 464                     if ((rem_ip.s_addr=inet_addr(server)) == INADDR_NONE) {
 465                       DEBUG(4, ("Could not convert IP address %s to struct in_addr\n", server));
 466                       errno = ENOENT;
 467                       return NULL;
 468                     }
 469
 470                     tried_reverse++; /* Yuck */
 471
 472                     if (name_status_find("*", 0, 0, rem_ip, remote_name)) {
 473                       make_nmb_name(&called, remote_name, 0x20);
 474                       goto again;
 475                     }
 476
 477
 478                   }
 479                 }
 480                 errno = ENOENT;
 481                 return NULL;
 482         }
 483
 484         DEBUG(4,(" session request ok\n"));
 485
 486         if (!cli_negprot(&c)) {
 487                 cli_shutdown(&c);
 488                 errno = ENOENT;
 489                 return NULL;
 490         }
 491
 492         if (!cli_session_setup(&c, username,
 493                                password, strlen(password),
 494                                password, strlen(password),
 495                                workgroup) &&
 496             /* try an anonymous login if it failed */
 497             !cli_session_setup(&c, "", "", 1,"", 0, workgroup)) {
 498                 cli_shutdown(&c);
 499                 errno = EPERM;
 500                 return NULL;
 501         }
 502
 503         DEBUG(4,(" session setup ok\n"));
 504
 505         if (!cli_send_tconX(&c, share, "?????",
 506                             password, strlen(password)+1)) {
 507                 errno = smbc_errno(context, &c);
 508                 cli_shutdown(&c);
 509                 return NULL;
 510         }
 511
 512         DEBUG(4,(" tconx ok\n"));
 513
 514         /*
 515          * Ok, we have got a nice connection
 516          * Let's find a free server_fd
 517          */
 518
 519         srv = (SMBCSRV *)malloc(sizeof(*srv));
 520         if (!srv) {
 521                 errno = ENOMEM;
 522                 goto failed;
 523         }
 524
 525         ZERO_STRUCTP(srv);
 526         srv->cli = c;
 527         srv->dev = (dev_t)(str_checksum(server) ^ str_checksum(share));
 528
 529         /* now add it to the cache (internal or external) */
 530         if (context->callbacks.add_cached_srv_fn(context, srv, server, share, workgroup, username)) {
 531                 DEBUG(3, (" Failed to add server to cache\n"));
 532                 goto failed;
 533         }
 534
 535
 536         DEBUG(2, ("Server connect ok: //%s/%s: %p\n",
 537                   server, share, srv));
 538
 539         return srv;
 540
 541  failed:
 542         cli_shutdown(&c);
 543         if (!srv) return NULL;
 544
 545         SAFE_FREE(srv);
 546         return NULL;
 547 }
 548
 549 /*
 550  * Routine to open() a file ...
 551  */
 552
 553 static SMBCFILE *smbc_open_ctx(SMBCCTX *context, const char *fname, int flags, mode_t mode)
 554 {
 555         fstring server, share, user, password, workgroup;
 556         pstring path;
 557         SMBCSRV *srv   = NULL;
 558         SMBCFILE *file = NULL;
 559         int fd;
 560
 561         if (!context || !context->internal ||
 562             !context->internal->_initialized) {
 563
 564                 errno = EINVAL;  /* Best I can think of ... */
 565                 return NULL;
 566
 567         }
 568
 569         if (!fname) {
 570
 571                 errno = EINVAL;
 572                 return NULL;
 573
 574         }
 575
 576         smbc_parse_path(context, fname, server, share, path, user, password); /* FIXME, check errors */
 577
 578         if (user[0] == (char)0) fstrcpy(user, context->user);
 579
 580         fstrcpy(workgroup, context->workgroup);
 581
 582         srv = smbc_server(context, server, share, workgroup, user, password);
 583
 584         if (!srv) {
 585
 586                 if (errno == EPERM) errno = EACCES;
 587                 return NULL;  /* smbc_server sets errno */
 588
 589         }
 590
 591         /* Hmmm, the test for a directory is suspect here ... FIXME */
 592
 593         if (strlen(path) > 0 && path[strlen(path) - 1] == '\\') {
 594
 595                 fd = -1;
 596
 597         }
 598         else {
 599
 600                 file = malloc(sizeof(SMBCFILE));
 601
 602                 if (!file) {
 603
 604                         errno = ENOMEM;
 605                         return NULL;
 606
 607                 }
 608
 609                 ZERO_STRUCTP(file);
 610
 611                 if ((fd = cli_open(&srv->cli, path, flags, DENY_NONE)) < 0) {
 612
 613                         /* Handle the error ... */
 614
 615                         SAFE_FREE(file);
 616                         errno = smbc_errno(context, &srv->cli);
 617                         return NULL;
 618
 619                 }
 620
 621                 /* Fill in file struct */
 622
 623                 file->cli_fd  = fd;
 624                 file->fname   = strdup(fname);
 625                 file->srv     = srv;
 626                 file->offset  = 0;
 627                 file->file    = True;
 628
 629                 DLIST_ADD(context->internal->_files, file);
 630                 return file;
 631
 632         }
 633
 634         /* Check if opendir needed ... */
 635
 636         if (fd == -1) {
 637                 int eno = 0;
 638
 639                 eno = smbc_errno(context, &srv->cli);
 640                 file = context->opendir(context, fname);
 641                 if (!file) errno = eno;
 642                 return file;
 643
 644         }
 645
 646         errno = EINVAL; /* FIXME, correct errno ? */
 647         return NULL;
 648
 649 }
 650
 651 /*
 652  * Routine to create a file
 653  */
 654
 655 static int creat_bits = O_WRONLY | O_CREAT | O_TRUNC; /* FIXME: Do we need this */
 656
 657 static SMBCFILE *smbc_creat_ctx(SMBCCTX *context, const char *path, mode_t mode)
 658 {
 659
 660         if (!context || !context->internal ||
 661             !context->internal->_initialized) {
 662
 663                 errno = EINVAL;
 664                 return NULL;
 665
 666         }
 667
 668         return smbc_open_ctx(context, path, creat_bits, mode);
 669 }
 670
 671 /*
 672  * Routine to read() a file ...
 673  */
 674
 675 static ssize_t smbc_read_ctx(SMBCCTX *context, SMBCFILE *file, void *buf, size_t count)
 676 {
 677         int ret;
 678
 679         if (!context || !context->internal ||
 680             !context->internal->_initialized) {
 681
 682                 errno = EINVAL;
 683                 return -1;
 684
 685         }
 686
 687         DEBUG(4, ("smbc_read(%p, %d)\n", file, (int)count));
 688
 689         if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
 690
 691                 errno = EBADF;
 692                 return -1;
 693
 694         }
 695
 696         /* Check that the buffer exists ... */
 697
 698         if (buf == NULL) {
 699
 700                 errno = EINVAL;
 701                 return -1;
 702
 703         }
 704
 705         ret = cli_read(&file->srv->cli, file->cli_fd, buf, file->offset, count);
 706
 707         if (ret < 0) {
 708
 709                 errno = smbc_errno(context, &file->srv->cli);
 710                 return -1;
 711
 712         }
 713
 714         file->offset += ret;
 715
 716         DEBUG(4, ("  --> %d\n", ret));
 717
 718         return ret;  /* Success, ret bytes of data ... */
 719
 720 }
 721
 722 /*
 723  * Routine to write() a file ...
 724  */
 725
 726 static ssize_t smbc_write_ctx(SMBCCTX *context, SMBCFILE *file, void *buf, size_t count)
 727 {
 728         int ret;
 729
 730         if (!context || !context->internal ||
 731             !context->internal->_initialized) {
 732
 733                 errno = EINVAL;
 734                 return -1;
 735
 736         }
 737
 738         if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
 739
 740                 errno = EBADF;
 741                 return -1;
 742
 743         }
 744
 745         /* Check that the buffer exists ... */
 746
 747         if (buf == NULL) {
 748
 749                 errno = EINVAL;
 750                 return -1;
 751
 752         }
 753
 754         ret = cli_write(&file->srv->cli, file->cli_fd, 0, buf, file->offset, count);
 755
 756         if (ret <= 0) {
 757
 758                 errno = smbc_errno(context, &file->srv->cli);
 759                 return -1;
 760
 761         }
 762
 763         file->offset += ret;
 764
 765         return ret;  /* Success, 0 bytes of data ... */
 766 }
 767
 768 /*
 769  * Routine to close() a file ...
 770  */
 771
 772 static int smbc_close_ctx(SMBCCTX *context, SMBCFILE *file)
 773 {
 774         SMBCSRV *srv;
 775
 776         if (!context || !context->internal ||
 777             !context->internal->_initialized) {
 778
 779                 errno = EINVAL;
 780                 return -1;
 781
 782         }
 783
 784         if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
 785
 786                 errno = EBADF;
 787                 return -1;
 788
 789         }
 790
 791         /* IS a dir ... */
 792         if (!file->file) {
 793
 794                 return context->closedir(context, file);
 795
 796         }
 797
 798         if (!cli_close(&file->srv->cli, file->cli_fd)) {
 799
 800                 DEBUG(3, ("cli_close failed on %s. purging server.\n",
 801                           file->fname));
 802                 /* Deallocate slot and remove the server
 803                  * from the server cache if unused */
 804                 errno = smbc_errno(context, &file->srv->cli);
 805                 srv = file->srv;
 806                 DLIST_REMOVE(context->internal->_files, file);
 807                 SAFE_FREE(file->fname);
 808                 SAFE_FREE(file);
 809                 context->callbacks.remove_unused_server_fn(context, srv);
 810
 811                 return -1;
 812
 813         }
 814
 815         if (!file->file) {
 816
 817                 return context->closedir(context, file);
 818
 819         }
 820
 821         if (!cli_close(&file->srv->cli, file->cli_fd)) {
 822                 DEBUG(3, ("cli_close failed on %s. purging server.\n",
 823                           file->fname));
 824                 /* Deallocate slot and remove the server
 825                  * from the server cache if unused */
 826                 errno = smbc_errno(context, &file->srv->cli);
 827                 srv = file->srv;
 828                 DLIST_REMOVE(context->internal->_files, file);
 829                 SAFE_FREE(file->fname);
 830                 SAFE_FREE(file);
 831                 context->callbacks.remove_unused_server_fn(context, srv);
 832
 833                 return -1;
 834         }
 835
 836         DLIST_REMOVE(context->internal->_files, file);
 837         SAFE_FREE(file->fname);
 838         SAFE_FREE(file);
 839
 840         return 0;
 841 }
 842
 843 /*
 844  * Get info from an SMB server on a file. Use a qpathinfo call first
 845  * and if that fails, use getatr, as Win95 sometimes refuses qpathinfo
 846  */
 847 static BOOL smbc_getatr(SMBCCTX * context, SMBCSRV *srv, char *path,
 848                  uint16 *mode, size_t *size,
 849                  time_t *c_time, time_t *a_time, time_t *m_time,
 850                  SMB_INO_T *ino)
 851 {
 852
 853         if (!context || !context->internal ||
 854             !context->internal->_initialized) {
 855
 856                 errno = EINVAL;
 857                 return -1;
 858
 859         }
 860
 861         DEBUG(4,("smbc_getatr: sending qpathinfo\n"));
 862
 863         if (!srv->no_pathinfo2 &&
 864             cli_qpathinfo2(&srv->cli, path, c_time, a_time, m_time, NULL,
 865                            size, mode, ino)) return True;
 866
 867         /* if this is NT then don't bother with the getatr */
 868         if (srv->cli.capabilities & CAP_NT_SMBS) return False;
 869
 870         if (cli_getatr(&srv->cli, path, mode, size, m_time)) {
 871                 a_time = c_time = m_time;
 872                 srv->no_pathinfo2 = True;
 873                 return True;
 874         }
 875
 876         return False;
 877
 878 }
 879
 880 /*
 881  * Routine to unlink() a file
 882  */
 883
 884 static int smbc_unlink_ctx(SMBCCTX *context, const char *fname)
 885 {
 886         fstring server, share, user, password, workgroup;
 887         pstring path;
 888         SMBCSRV *srv = NULL;
 889
 890         if (!context || !context->internal ||
 891             !context->internal->_initialized) {
 892
 893                 errno = EINVAL;  /* Best I can think of ... */
 894                 return -1;
 895
 896         }
 897
 898         if (!fname) {
 899
 900                 errno = EINVAL;
 901                 return -1;
 902
 903         }
 904
 905         smbc_parse_path(context, fname, server, share, path, user, password); /* FIXME, check errors */
 906
 907         if (user[0] == (char)0) fstrcpy(user, context->user);
 908
 909         fstrcpy(workgroup, context->workgroup);
 910
 911         srv = smbc_server(context, server, share, workgroup, user, password);
 912
 913         if (!srv) {
 914
 915                 return -1;  /* smbc_server sets errno */
 916
 917         }
 918
 919         /*  if (strncmp(srv->cli.dev, "LPT", 3) == 0) {
 920
 921     int job = smbc_stat_printjob(srv, path, NULL, NULL);
 922     if (job == -1) {
 923
 924       return -1;
 925
 926     }
 927     if ((err = cli_printjob_del(&srv->cli, job)) != 0) {
 928
 929
 930       return -1;
 931
 932     }
 933     } else */
 934
 935         if (!cli_unlink(&srv->cli, path)) {
 936
 937                 errno = smbc_errno(context, &srv->cli);
 938
 939                 if (errno == EACCES) { /* Check if the file is a directory */
 940
 941                         int saverr = errno;
 942                         size_t size = 0;
 943                         uint16 mode = 0;
 944                         time_t m_time = 0, a_time = 0, c_time = 0;
 945                         SMB_INO_T ino = 0;
 946
 947                         if (!smbc_getatr(context, srv, path, &mode, &size,
 948                                          &c_time, &a_time, &m_time, &ino)) {
 949
 950                                 /* Hmmm, bad error ... What? */
 951
 952                                 errno = smbc_errno(context, &srv->cli);
 953                                 return -1;
 954
 955                         }
 956                         else {
 957
 958                                 if (IS_DOS_DIR(mode))
 959                                         errno = EISDIR;
 960                                 else
 961                                         errno = saverr;  /* Restore this */
 962
 963                         }
 964                 }
 965
 966                 return -1;
 967
 968         }
 969
 970         return 0;  /* Success ... */
 971
 972 }
 973
 974 /*
 975  * Routine to rename() a file
 976  */
 977
 978 static int smbc_rename_ctx(SMBCCTX *ocontext, const char *oname,
 979                            SMBCCTX *ncontext, const char *nname)
 980 {
 981         fstring server1, share1, server2, share2, user1, user2, password1, password2, workgroup;
 982         pstring path1, path2;
 983         SMBCSRV *srv = NULL;
 984
 985         if (!ocontext || !ncontext ||
 986             !ocontext->internal || !ncontext->internal ||
 987             !ocontext->internal->_initialized ||
 988             !ncontext->internal->_initialized) {
 989
 990                 errno = EINVAL;  /* Best I can think of ... */
 991                 return -1;
 992
 993         }
 994
 995         if (!oname || !nname) {
 996
 997                 errno = EINVAL;
 998                 return -1;
 999
1000         }
1001
1002         DEBUG(4, ("smbc_rename(%s,%s)\n", oname, nname));
1003
1004         smbc_parse_path(ocontext, oname, server1, share1, path1, user1, password1);
1005
1006         if (user1[0] == (char)0) fstrcpy(user1, ocontext->user);
1007
1008         smbc_parse_path(ncontext, nname, server2, share2, path2, user2, password2);
1009
1010         if (user2[0] == (char)0) fstrcpy(user2, ncontext->user);
1011
1012         if (strcmp(server1, server2) || strcmp(share1, share2) ||
1013             strcmp(user1, user2)) {
1014
1015                 /* Can't rename across file systems, or users?? */
1016
1017                 errno = EXDEV;
1018                 return -1;
1019
1020         }
1021
1022         fstrcpy(workgroup, ocontext->workgroup);
1023         /* HELP !!! Which workgroup should I use ? Or are they always the same -- Tom */
1024         srv = smbc_server(ocontext, server1, share1, workgroup, user1, password1);
1025         if (!srv) {
1026
1027                 return -1;
1028
1029         }
1030
1031         if (!cli_rename(&srv->cli, path1, path2)) {
1032                 int eno = smbc_errno(ocontext, &srv->cli);
1033
1034                 if (eno != EEXIST ||
1035                     !cli_unlink(&srv->cli, path2) ||
1036                     !cli_rename(&srv->cli, path1, path2)) {
1037
1038                         errno = eno;
1039                         return -1;
1040
1041                 }
1042         }
1043
1044         return 0; /* Success */
1045
1046 }
1047
1048 /*
1049  * A routine to lseek() a file
1050  */
1051
1052 static off_t smbc_lseek_ctx(SMBCCTX *context, SMBCFILE *file, off_t offset, int whence)
1053 {
1054         size_t size;
1055
1056         if (!context || !context->internal ||
1057             !context->internal->_initialized) {
1058
1059                 errno = EINVAL;
1060                 return -1;
1061
1062         }
1063
1064         if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
1065
1066                 errno = EBADF;
1067                 return -1;
1068
1069         }
1070
1071         if (!file->file) {
1072
1073                 errno = EINVAL;
1074                 return -1;      /* Can't lseek a dir ... */
1075
1076         }
1077
1078         switch (whence) {
1079         case SEEK_SET:
1080                 file->offset = offset;
1081                 break;
1082
1083         case SEEK_CUR:
1084                 file->offset += offset;
1085                 break;
1086
1087         case SEEK_END:
1088                 if (!cli_qfileinfo(&file->srv->cli, file->cli_fd, NULL, &size, NULL, NULL,
1089                                    NULL, NULL, NULL) &&
1090                     !cli_getattrE(&file->srv->cli, file->cli_fd, NULL, &size, NULL, NULL,
1091                                   NULL)) {
1092
1093                         errno = EINVAL;
1094                         return -1;
1095                 }
1096                 file->offset = size + offset;
1097                 break;
1098
1099         default:
1100                 errno = EINVAL;
1101                 break;
1102
1103         }
1104
1105         return file->offset;
1106
1107 }
1108
1109 /*
1110  * Generate an inode number from file name for those things that need it
1111  */
1112
1113 static
1114 ino_t smbc_inode(SMBCCTX *context, const char *name)
1115 {
1116
1117         if (!context || !context->internal ||
1118             !context->internal->_initialized) {
1119
1120                 errno = EINVAL;
1121                 return -1;
1122
1123         }
1124
1125         if (!*name) return 2; /* FIXME, why 2 ??? */
1126         return (ino_t)str_checksum(name);
1127
1128 }
1129
1130 /*
1131  * Routine to put basic stat info into a stat structure ... Used by stat and
1132  * fstat below.
1133  */
1134
1135 static
1136 int smbc_setup_stat(SMBCCTX *context, struct stat *st, char *fname, size_t size, int mode)
1137 {
1138
1139         st->st_mode = 0;
1140
1141         if (IS_DOS_DIR(mode)) {
1142                 st->st_mode = SMBC_DIR_MODE;
1143         } else {
1144                 st->st_mode = SMBC_FILE_MODE;
1145         }
1146
1147         if (IS_DOS_ARCHIVE(mode)) st->st_mode |= S_IXUSR;
1148         if (IS_DOS_SYSTEM(mode)) st->st_mode |= S_IXGRP;
1149         if (IS_DOS_HIDDEN(mode)) st->st_mode |= S_IXOTH;
1150         if (!IS_DOS_READONLY(mode)) st->st_mode |= S_IWUSR;
1151
1152         st->st_size = size;
1153         st->st_blksize = 512;
1154         st->st_blocks = (size+511)/512;
1155         st->st_uid = getuid();
1156         st->st_gid = getgid();
1157
1158         if (IS_DOS_DIR(mode)) {
1159                 st->st_nlink = 2;
1160         } else {
1161                 st->st_nlink = 1;
1162         }
1163
1164         if (st->st_ino == 0) {
1165                 st->st_ino = smbc_inode(context, fname);
1166         }
1167
1168         return True;  /* FIXME: Is this needed ? */
1169
1170 }
1171
1172 /*
1173  * Routine to stat a file given a name
1174  */
1175
1176 static int smbc_stat_ctx(SMBCCTX *context, const char *fname, struct stat *st)
1177 {
1178         SMBCSRV *srv;
1179         fstring server, share, user, password, workgroup;
1180         pstring path;
1181         time_t m_time = 0, a_time = 0, c_time = 0;
1182         size_t size = 0;
1183         uint16 mode = 0;
1184         SMB_INO_T ino = 0;
1185
1186         if (!context || !context->internal ||
1187             !context->internal->_initialized) {
1188
1189                 errno = EINVAL;  /* Best I can think of ... */
1190                 return -1;
1191
1192         }
1193
1194         if (!fname) {
1195
1196                 errno = EINVAL;
1197                 return -1;
1198
1199         }
1200
1201         DEBUG(4, ("smbc_stat(%s)\n", fname));
1202
1203         smbc_parse_path(context, fname, server, share, path, user, password); /*FIXME, errors*/
1204
1205         if (user[0] == (char)0) fstrcpy(user, context->user);
1206
1207         fstrcpy(workgroup, context->workgroup);
1208
1209         srv = smbc_server(context, server, share, workgroup, user, password);
1210
1211         if (!srv) {
1212
1213                 return -1;  /* errno set by smbc_server */
1214
1215         }
1216
1217         /* if (strncmp(srv->cli.dev, "IPC", 3) == 0) {
1218
1219            mode = aDIR | aRONLY;
1220
1221            }
1222            else if (strncmp(srv->cli.dev, "LPT", 3) == 0) {
1223
1224            if (strcmp(path, "\\") == 0) {
1225
1226            mode = aDIR | aRONLY;
1227
1228            }
1229            else {
1230
1231            mode = aRONLY;
1232            smbc_stat_printjob(srv, path, &size, &m_time);
1233            c_time = a_time = m_time;
1234
1235            }
1236            else { */
1237
1238         if (!smbc_getatr(context, srv, path, &mode, &size,
1239                          &c_time, &a_time, &m_time, &ino)) {
1240
1241                 errno = smbc_errno(context, &srv->cli);
1242                 return -1;
1243
1244         }
1245
1246         st->st_ino = ino;
1247
1248         smbc_setup_stat(context, st, path, size, mode);
1249
1250         st->st_atime = a_time;
1251         st->st_ctime = c_time;
1252         st->st_mtime = m_time;
1253         st->st_dev   = srv->dev;
1254
1255         return 0;
1256
1257 }
1258
1259 /*
1260  * Routine to stat a file given an fd
1261  */
1262
1263 static int smbc_fstat_ctx(SMBCCTX *context, SMBCFILE *file, struct stat *st)
1264 {
1265         time_t c_time, a_time, m_time;
1266         size_t size;
1267         uint16 mode;
1268         SMB_INO_T ino = 0;
1269
1270         if (!context || !context->internal ||
1271             !context->internal->_initialized) {
1272
1273                 errno = EINVAL;
1274                 return -1;
1275
1276         }
1277
1278         if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
1279
1280                 errno = EBADF;
1281                 return -1;
1282
1283         }
1284
1285         if (!file->file) {
1286
1287                 return context->fstatdir(context, file, st);
1288
1289         }
1290
1291         if (!cli_qfileinfo(&file->srv->cli, file->cli_fd,
1292                            &mode, &size, &c_time, &a_time, &m_time, NULL, &ino) &&
1293             !cli_getattrE(&file->srv->cli, file->cli_fd,
1294                           &mode, &size, &c_time, &a_time, &m_time)) {
1295
1296                 errno = EINVAL;
1297                 return -1;
1298
1299         }
1300
1301         st->st_ino = ino;
1302
1303         smbc_setup_stat(context, st, file->fname, size, mode);
1304
1305         st->st_atime = a_time;
1306         st->st_ctime = c_time;
1307         st->st_mtime = m_time;
1308         st->st_dev = file->srv->dev;
1309
1310         return 0;
1311
1312 }
1313
1314 /*
1315  * Routine to open a directory
1316  *
1317  * We want to allow:
1318  *
1319  * smb: which should list all the workgroups available
1320  * smb:workgroup
1321  * smb:workgroup//server
1322  * smb://server
1323  * smb://server/share
1324  * smb://<IP-addr> which should list shares on server
1325  * smb://<IP-addr>/share which should list files on share
1326  */
1327
1328 static void smbc_remove_dir(SMBCFILE *dir)
1329 {
1330         struct smbc_dir_list *d,*f;
1331
1332         d = dir->dir_list;
1333         while (d) {
1334
1335                 f = d; d = d->next;
1336
1337                 SAFE_FREE(f->dirent);
1338                 SAFE_FREE(f);
1339
1340         }
1341
1342         dir->dir_list = dir->dir_end = dir->dir_next = NULL;
1343
1344 }
1345
1346 static int add_dirent(SMBCFILE *dir, const char *name, const char *comment, uint32 type)
1347 {
1348         struct smbc_dirent *dirent;
1349         int size;
1350
1351         /*
1352          * Allocate space for the dirent, which must be increased by the
1353          * size of the name and the comment and 1 for the null on the comment.
1354          * The null on the name is already accounted for.
1355          */
1356
1357         size = sizeof(struct smbc_dirent) + (name?strlen(name):0) +
1358                 (comment?strlen(comment):0) + 1;
1359
1360         dirent = malloc(size);
1361
1362         if (!dirent) {
1363
1364                 dir->dir_error = ENOMEM;
1365                 return -1;
1366
1367         }
1368
1369         ZERO_STRUCTP(dirent);
1370
1371         if (dir->dir_list == NULL) {
1372
1373                 dir->dir_list = malloc(sizeof(struct smbc_dir_list));
1374                 if (!dir->dir_list) {
1375
1376                         SAFE_FREE(dirent);
1377                         dir->dir_error = ENOMEM;
1378                         return -1;
1379
1380                 }
1381                 ZERO_STRUCTP(dir->dir_list);
1382
1383                 dir->dir_end = dir->dir_next = dir->dir_list;
1384
1385         }
1386         else {
1387
1388                 dir->dir_end->next = malloc(sizeof(struct smbc_dir_list));
1389
1390                 if (!dir->dir_end->next) {
1391
1392                         SAFE_FREE(dirent);
1393                         dir->dir_error = ENOMEM;
1394                         return -1;
1395
1396                 }
1397                 ZERO_STRUCTP(dir->dir_end->next);
1398
1399                 dir->dir_end = dir->dir_end->next;
1400
1401         }
1402
1403         dir->dir_end->next = NULL;
1404         dir->dir_end->dirent = dirent;
1405
1406         dirent->smbc_type = type;
1407         dirent->namelen = (name?strlen(name):0);
1408         dirent->commentlen = (comment?strlen(comment):0);
1409         dirent->dirlen = size;
1410
1411         strncpy(dirent->name, (name?name:""), dirent->namelen + 1);
1412
1413         dirent->comment = (char *)(&dirent->name + dirent->namelen + 1);
1414         strncpy(dirent->comment, (comment?comment:""), dirent->commentlen + 1);
1415
1416         return 0;
1417
1418 }
1419
1420 static void
1421 list_fn(const char *name, uint32 type, const char *comment, void *state)
1422 {
1423         SMBCFILE *dir = (SMBCFILE *)state;
1424         int dirent_type;
1425
1426         /* We need to process the type a little ... */
1427
1428         if (dir->dir_type == SMBC_FILE_SHARE) {
1429
1430                 switch (type) {
1431                 case 0: /* Directory tree */
1432                         dirent_type = SMBC_FILE_SHARE;
1433                         break;
1434
1435                 case 1:
1436                         dirent_type = SMBC_PRINTER_SHARE;
1437                         break;
1438
1439                 case 2:
1440                         dirent_type = SMBC_COMMS_SHARE;
1441                         break;
1442
1443                 case 3:
1444                         dirent_type = SMBC_IPC_SHARE;
1445                         break;
1446
1447                 default:
1448                         dirent_type = SMBC_FILE_SHARE; /* FIXME, error? */
1449                         break;
1450                 }
1451         }
1452         else dirent_type = dir->dir_type;
1453
1454         if (add_dirent(dir, name, comment, dirent_type) < 0) {
1455
1456                 /* An error occurred, what do we do? */
1457                 /* FIXME: Add some code here */
1458
1459         }
1460
1461 }
1462
1463 static void
1464 dir_list_fn(file_info *finfo, const char *mask, void *state)
1465 {
1466
1467         if (add_dirent((SMBCFILE *)state, finfo->name, "",
1468                        (finfo->mode&aDIR?SMBC_DIR:SMBC_FILE)) < 0) {
1469
1470                 /* Handle an error ... */
1471
1472                 /* FIXME: Add some code ... */
1473
1474         }
1475
1476 }
1477
1478 static SMBCFILE *smbc_opendir_ctx(SMBCCTX *context, const char *fname)
1479 {
1480         fstring server, share, user, password, workgroup;
1481         pstring path;
1482         SMBCSRV *srv  = NULL;
1483         SMBCFILE *dir = NULL;
1484         struct in_addr rem_ip;
1485
1486         if (!context || !context->internal ||
1487             !context->internal->_initialized) {
1488
1489                 errno = EINVAL;
1490                 return NULL;
1491
1492         }
1493
1494         if (!fname) {
1495
1496                 errno = EINVAL;
1497                 return NULL;
1498
1499         }
1500
1501         if (smbc_parse_path(context, fname, server, share, path, user, password)) {
1502
1503                 errno = EINVAL;
1504                 return NULL;
1505
1506         }
1507
1508         if (user[0] == (char)0) fstrcpy(user, context->user);
1509
1510         fstrcpy(workgroup, context->workgroup);
1511
1512         dir = malloc(sizeof(*dir));
1513
1514         if (!dir) {
1515
1516                 errno = ENOMEM;
1517                 return NULL;
1518
1519         }
1520
1521         ZERO_STRUCTP(dir);
1522
1523         dir->cli_fd   = 0;
1524         dir->fname    = strdup(fname);
1525         dir->srv      = NULL;
1526         dir->offset   = 0;
1527         dir->file     = False;
1528         dir->dir_list = dir->dir_next = dir->dir_end = NULL;
1529
1530         if (server[0] == (char)0) {
1531
1532                 if (share[0] != (char)0 || path[0] != (char)0) {
1533
1534                         errno = EINVAL;
1535                         if (dir) {
1536                                 SAFE_FREE(dir->fname);
1537                                 SAFE_FREE(dir);
1538                         }
1539                         return NULL;
1540
1541                 }
1542
1543                 /* We have server and share and path empty ... so list the workgroups */
1544                 /* first try to get the LMB for our workgroup, and if that fails,     */
1545                 /* try the DMB                                                        */
1546
1547                 if (!(resolve_name(context->workgroup, &rem_ip, 0x1d) ||
1548                       resolve_name(context->workgroup, &rem_ip, 0x1b))) {
1549
1550                         errno = EINVAL;  /* Something wrong with smb.conf? */
1551                         return NULL;
1552
1553                 }
1554
1555                 dir->dir_type = SMBC_WORKGROUP;
1556
1557                 /* find the name of the server ... */
1558
1559                 if (!name_status_find("*", 0, 0, rem_ip, server)) {
1560
1561                         DEBUG(0,("Could not get the name of local/domain master browser for server %s\n", server));
1562                         errno = EINVAL;
1563                         return NULL;
1564
1565                 }
1566
1567                 /*
1568                  * Get a connection to IPC$ on the server if we do not already have one
1569                  */
1570
1571                 srv = smbc_server(context, server, "IPC$", workgroup, user, password);
1572
1573                 if (!srv) {
1574
1575                         if (dir) {
1576                                 SAFE_FREE(dir->fname);
1577                                 SAFE_FREE(dir);
1578                         }
1579
1580                         return NULL;
1581
1582                 }
1583
1584                 dir->srv = srv;
1585
1586                 /* Now, list the stuff ... */
1587
1588                 if (!cli_NetServerEnum(&srv->cli, workgroup, 0x80000000, list_fn,
1589                                        (void *)dir)) {
1590
1591                         if (dir) {
1592                                 SAFE_FREE(dir->fname);
1593                                 SAFE_FREE(dir);
1594                         }
1595                         errno = cli_errno(&srv->cli);
1596
1597                         return NULL;
1598
1599                 }
1600         }
1601         else { /* Server not an empty string ... Check the rest and see what gives */
1602
1603                 if (share[0] == (char)0) {
1604
1605                         if (path[0] != (char)0) { /* Should not have empty share with path */
1606
1607                                 errno = EINVAL;
1608                                 if (dir) {
1609                                         SAFE_FREE(dir->fname);
1610                                         SAFE_FREE(dir);
1611                                 }
1612                                 return NULL;
1613
1614                         }
1615
1616                         /* Check to see if <server><1D>, <server><1B>, or <server><20> translates */
1617                         /* However, we check to see if <server> is an IP address first */
1618
1619                         if (!is_ipaddress(server) &&  /* Not an IP addr so check next */
1620                             (resolve_name(server, &rem_ip, 0x1d) ||   /* Found LMB */
1621                                     resolve_name(server, &rem_ip, 0x1b) )) { /* Found DMB */
1622                                 pstring buserver;
1623
1624                                 dir->dir_type = SMBC_SERVER;
1625
1626                                 /*
1627                                  * Get the backup list ...
1628                                  */
1629
1630
1631                                 if (!name_status_find("*", 0, 0, rem_ip, buserver)) {
1632
1633                                         DEBUG(0, ("Could not get name of local/domain master browser for server %s\n", server));
1634                                         errno = EPERM;  /* FIXME, is this correct */
1635                                         return NULL;
1636
1637                                 }
1638
1639                                 /*
1640                                  * Get a connection to IPC$ on the server if we do not already have one
1641                                  */
1642
1643                                 srv = smbc_server(context, buserver, "IPC$", workgroup, user, password);
1644
1645                                 if (!srv) {
1646
1647                                         if (dir) {
1648                                                 SAFE_FREE(dir->fname);
1649                                                 SAFE_FREE(dir);
1650                                         }
1651                                         return NULL;
1652
1653                                 }
1654
1655                                 dir->srv = srv;
1656
1657                                 /* Now, list the servers ... */
1658
1659                                 if (!cli_NetServerEnum(&srv->cli, server, 0x0000FFFE, list_fn,
1660                                                        (void *)dir)) {
1661
1662                                         if (dir) {
1663                                                 SAFE_FREE(dir->fname);
1664                                                 SAFE_FREE(dir);
1665                                         }
1666                                         errno = cli_errno(&srv->cli);
1667                                         return NULL;
1668
1669                                 }
1670
1671                         }
1672                         else {
1673
1674                                 if (resolve_name(server, &rem_ip, 0x20)) {
1675
1676                                         /* Now, list the shares ... */
1677
1678                                         dir->dir_type = SMBC_FILE_SHARE;
1679
1680                                         srv = smbc_server(context, server, "IPC$", workgroup, user, password);
1681
1682                                         if (!srv) {
1683
1684                                                 if (dir) {
1685                                                         SAFE_FREE(dir->fname);
1686                                                         SAFE_FREE(dir);
1687                                                 }
1688                                                 return NULL;
1689
1690                                         }
1691
1692                                         dir->srv = srv;
1693
1694                                         /* Now, list the servers ... */
1695
1696                                         if (cli_RNetShareEnum(&srv->cli, list_fn,
1697                                                               (void *)dir) < 0) {
1698
1699                                                 errno = cli_errno(&srv->cli);
1700                                                 if (dir) {
1701                                                         SAFE_FREE(dir->fname);
1702                                                         SAFE_FREE(dir);
1703                                                 }
1704                                                 return NULL;
1705
1706                                         }
1707
1708                                 }
1709                                 else {
1710
1711                                         errno = ENODEV;   /* Neither the workgroup nor server exists */
1712                                         if (dir) {
1713                                                 SAFE_FREE(dir->fname);
1714                                                 SAFE_FREE(dir);
1715                                         }
1716                                         return NULL;
1717
1718                                 }
1719
1720                         }
1721
1722                 }
1723                 else { /* The server and share are specified ... work from there ... */
1724
1725                         /* Well, we connect to the server and list the directory */
1726
1727                         dir->dir_type = SMBC_FILE_SHARE;
1728
1729                         srv = smbc_server(context, server, share, workgroup, user, password);
1730
1731                         if (!srv) {
1732
1733                                 if (dir) {
1734                                         SAFE_FREE(dir->fname);
1735                                         SAFE_FREE(dir);
1736                                 }
1737                                 return NULL;
1738
1739                         }
1740
1741                         dir->srv = srv;
1742
1743                         /* Now, list the files ... */
1744
1745                         pstrcat(path, "\\*");
1746
1747                         if (cli_list(&srv->cli, path, aDIR | aSYSTEM | aHIDDEN, dir_list_fn,
1748                                      (void *)dir) < 0) {
1749
1750                                 if (dir) {
1751                                         SAFE_FREE(dir->fname);
1752                                         SAFE_FREE(dir);
1753                                 }
1754                                 errno = smbc_errno(context, &srv->cli);
1755                                 return NULL;
1756
1757                         }
1758                 }
1759
1760         }
1761
1762         DLIST_ADD(context->internal->_files, dir);
1763         return dir;
1764
1765 }
1766
1767 /*
1768  * Routine to close a directory
1769  */
1770
1771 static int smbc_closedir_ctx(SMBCCTX *context, SMBCFILE *dir)
1772 {
1773
1774         if (!context || !context->internal ||
1775             !context->internal->_initialized) {
1776
1777                 errno = EINVAL;
1778                 return -1;
1779
1780         }
1781
1782         if (!dir || !DLIST_CONTAINS(context->internal->_files, dir)) {
1783
1784                 errno = EBADF;
1785                 return -1;
1786
1787         }
1788
1789         smbc_remove_dir(dir); /* Clean it up */
1790
1791         DLIST_REMOVE(context->internal->_files, dir);
1792
1793         if (dir) {
1794
1795                 SAFE_FREE(dir->fname);
1796                 SAFE_FREE(dir);    /* Free the space too */
1797
1798         }
1799
1800         return 0;
1801
1802 }
1803
1804 /*
1805  * Routine to get a directory entry
1806  */
1807
1808 struct smbc_dirent *smbc_readdir_ctx(SMBCCTX *context, SMBCFILE *dir)
1809 {
1810         struct smbc_dirent *dirp, *dirent;
1811
1812         /* Check that all is ok first ... */
1813
1814         if (!context || !context->internal ||
1815             !context->internal->_initialized) {
1816
1817                 errno = EINVAL;
1818                 return NULL;
1819
1820         }
1821
1822         if (!dir || !DLIST_CONTAINS(context->internal->_files, dir)) {
1823
1824                 errno = EBADF;
1825                 return NULL;
1826
1827         }
1828
1829         if (dir->file != False) { /* FIXME, should be dir, perhaps */
1830
1831                 errno = ENOTDIR;
1832                 return NULL;
1833
1834         }
1835
1836         if (!dir->dir_next)
1837                 return NULL;
1838         else {
1839
1840                 dirent = dir->dir_next->dirent;
1841
1842                 if (!dirent) {
1843
1844                         errno = ENOENT;
1845                         return NULL;
1846
1847                 }
1848
1849                 /* Hmmm, do I even need to copy it? */
1850
1851                 memcpy(context->internal->_dirent, dirent, dirent->dirlen); /* Copy the dirent */
1852                 dirp = (struct smbc_dirent *)context->internal->_dirent;
1853                 dirp->comment = (char *)(&dirp->name + dirent->namelen + 1);
1854                 dir->dir_next = dir->dir_next->next;
1855
1856                 return (struct smbc_dirent *)context->internal->_dirent;
1857         }
1858
1859 }
1860
1861 /*
1862  * Routine to get directory entries
1863  */
1864
1865 static int smbc_getdents_ctx(SMBCCTX *context, SMBCFILE *dir, struct smbc_dirent *dirp, int count)
1866 {
1867         struct smbc_dir_list *dirlist;
1868         int rem = count, reqd;
1869         char *ndir = (char *)dirp;
1870
1871         /* Check that all is ok first ... */
1872
1873         if (!context || !context->internal ||
1874             !context->internal->_initialized) {
1875
1876                 errno = EINVAL;
1877                 return -1;
1878
1879         }
1880
1881         if (!dir || !DLIST_CONTAINS(context->internal->_files, dir)) {
1882
1883                 errno = EBADF;
1884                 return -1;
1885
1886         }
1887
1888         if (dir->file != False) { /* FIXME, should be dir, perhaps */
1889
1890                 errno = ENOTDIR;
1891                 return -1;
1892
1893         }
1894
1895         /*
1896          * Now, retrieve the number of entries that will fit in what was passed
1897          * We have to figure out if the info is in the list, or we need to
1898          * send a request to the server to get the info.
1899          */
1900
1901         while ((dirlist = dir->dir_next)) {
1902                 struct smbc_dirent *dirent;
1903
1904                 if (!dirlist->dirent) {
1905
1906                         errno = ENOENT;  /* Bad error */
1907                         return -1;
1908
1909                 }
1910
1911                 if (rem < (reqd = (sizeof(struct smbc_dirent) + dirlist->dirent->namelen +
1912                                    dirlist->dirent->commentlen + 1))) {
1913
1914                         if (rem < count) { /* We managed to copy something */
1915
1916                                 errno = 0;
1917                                 return count - rem;
1918
1919                         }
1920                         else { /* Nothing copied ... */
1921
1922                                 errno = EINVAL;  /* Not enough space ... */
1923                                 return -1;
1924
1925                         }
1926
1927                 }
1928
1929                 dirent = dirlist->dirent;
1930
1931                 memcpy(ndir, dirent, reqd); /* Copy the data in ... */
1932
1933                 ((struct smbc_dirent *)ndir)->comment =
1934                         (char *)(&((struct smbc_dirent *)ndir)->name + dirent->namelen + 1);
1935
1936                 ndir += reqd;
1937
1938                 rem -= reqd;
1939
1940                 dir->dir_next = dirlist = dirlist -> next;
1941         }
1942
1943         if (rem == count)
1944                 return 0;
1945         else
1946                 return count - rem;
1947
1948 }
1949
1950 /*
1951  * Routine to create a directory ...
1952  */
1953
1954 static int smbc_mkdir_ctx(SMBCCTX *context, const char *fname, mode_t mode)
1955 {
1956         SMBCSRV *srv;
1957         fstring server, share, user, password, workgroup;
1958         pstring path;
1959
1960         if (!context || !context->internal ||
1961             !context->internal->_initialized) {
1962
1963                 errno = EINVAL;
1964                 return -1;
1965
1966         }
1967
1968         if (!fname) {
1969
1970                 errno = EINVAL;
1971                 return -1;
1972
1973         }
1974
1975         DEBUG(4, ("smbc_mkdir(%s)\n", fname));
1976
1977         smbc_parse_path(context, fname, server, share, path, user, password); /*FIXME, errors*/
1978
1979         if (user[0] == (char)0) fstrcpy(user, context->user);
1980
1981         fstrcpy(workgroup, context->workgroup);
1982
1983         srv = smbc_server(context, server, share, workgroup, user, password);
1984
1985         if (!srv) {
1986
1987                 return -1;  /* errno set by smbc_server */
1988
1989         }
1990
1991         /* if (strncmp(srv->cli.dev, "IPC", 3) == 0) {
1992
1993            mode = aDIR | aRONLY;
1994
1995            }
1996            else if (strncmp(srv->cli.dev, "LPT", 3) == 0) {
1997
1998            if (strcmp(path, "\\") == 0) {
1999
2000            mode = aDIR | aRONLY;
2001
2002            }
2003            else {
2004
2005            mode = aRONLY;
2006            smbc_stat_printjob(srv, path, &size, &m_time);
2007            c_time = a_time = m_time;
2008
2009            }
2010            else { */
2011
2012         if (!cli_mkdir(&srv->cli, path)) {
2013
2014                 errno = smbc_errno(context, &srv->cli);
2015                 return -1;
2016
2017         }
2018
2019         return 0;
2020
2021 }
2022
2023 /*
2024  * Our list function simply checks to see if a directory is not empty
2025  */
2026
2027 static int smbc_rmdir_dirempty = True;
2028
2029 static void rmdir_list_fn(file_info *finfo, const char *mask, void *state)
2030 {
2031
2032         if (strncmp(finfo->name, ".", 1) != 0 && strncmp(finfo->name, "..", 2) != 0)
2033                 smbc_rmdir_dirempty = False;
2034
2035 }
2036
2037 /*
2038  * Routine to remove a directory
2039  */
2040
2041 static int smbc_rmdir_ctx(SMBCCTX *context, const char *fname)
2042 {
2043         SMBCSRV *srv;
2044         fstring server, share, user, password, workgroup;
2045         pstring path;
2046
2047         if (!context || !context->internal ||
2048             !context->internal->_initialized) {
2049
2050                 errno = EINVAL;
2051                 return -1;
2052
2053         }
2054
2055         if (!fname) {
2056
2057                 errno = EINVAL;
2058                 return -1;
2059
2060         }
2061
2062         DEBUG(4, ("smbc_rmdir(%s)\n", fname));
2063
2064         smbc_parse_path(context, fname, server, share, path, user, password); /*FIXME, errors*/
2065
2066         if (user[0] == (char)0) fstrcpy(user, context->user);
2067
2068         fstrcpy(workgroup, context->workgroup);
2069
2070         srv = smbc_server(context, server, share, workgroup, user, password);
2071
2072         if (!srv) {
2073
2074                 return -1;  /* errno set by smbc_server */
2075
2076         }
2077
2078         /* if (strncmp(srv->cli.dev, "IPC", 3) == 0) {
2079
2080            mode = aDIR | aRONLY;
2081
2082            }
2083            else if (strncmp(srv->cli.dev, "LPT", 3) == 0) {
2084
2085            if (strcmp(path, "\\") == 0) {
2086
2087            mode = aDIR | aRONLY;
2088
2089            }
2090            else {
2091
2092            mode = aRONLY;
2093            smbc_stat_printjob(srv, path, &size, &m_time);
2094            c_time = a_time = m_time;
2095
2096            }
2097            else { */
2098
2099         if (!cli_rmdir(&srv->cli, path)) {
2100
2101                 errno = smbc_errno(context, &srv->cli);
2102
2103                 if (errno == EACCES) {  /* Check if the dir empty or not */
2104
2105                         pstring lpath; /* Local storage to avoid buffer overflows */
2106
2107                         smbc_rmdir_dirempty = True;  /* Make this so ... */
2108
2109                         pstrcpy(lpath, path);
2110                         pstrcat(lpath, "\\*");
2111
2112                         if (cli_list(&srv->cli, lpath, aDIR | aSYSTEM | aHIDDEN, rmdir_list_fn,
2113                                      NULL) < 0) {
2114
2115                                 /* Fix errno to ignore latest error ... */
2116
2117                                 DEBUG(5, ("smbc_rmdir: cli_list returned an error: %d\n",
2118                                           smbc_errno(context, &srv->cli)));
2119                                 errno = EACCES;
2120
2121                         }
2122
2123                         if (smbc_rmdir_dirempty)
2124                                 errno = EACCES;
2125                         else
2126                                 errno = ENOTEMPTY;
2127
2128                 }
2129
2130                 return -1;
2131
2132         }
2133
2134         return 0;
2135
2136 }
2137
2138 /*
2139  * Routine to return the current directory position
2140  */
2141
2142 static off_t smbc_telldir_ctx(SMBCCTX *context, SMBCFILE *dir)
2143 {
2144
2145         if (!context || !context->internal ||
2146             !context->internal->_initialized) {
2147
2148                 errno = EINVAL;
2149                 return -1;
2150
2151         }
2152
2153         if (!dir || !DLIST_CONTAINS(context->internal->_files, dir)) {
2154
2155                 errno = EBADF;
2156                 return -1;
2157
2158         }
2159
2160         if (dir->file != False) { /* FIXME, should be dir, perhaps */
2161
2162                 errno = ENOTDIR;
2163                 return -1;
2164
2165         }
2166
2167         return (off_t) dir->dir_next;
2168
2169 }
2170
2171 /*
2172  * A routine to run down the list and see if the entry is OK
2173  */
2174
2175 struct smbc_dir_list *smbc_check_dir_ent(struct smbc_dir_list *list,
2176                                          struct smbc_dirent *dirent)
2177 {
2178
2179         /* Run down the list looking for what we want */
2180
2181         if (dirent) {
2182
2183                 struct smbc_dir_list *tmp = list;
2184
2185                 while (tmp) {
2186
2187                         if (tmp->dirent == dirent)
2188                                 return tmp;
2189
2190                         tmp = tmp->next;
2191
2192                 }
2193
2194         }
2195
2196         return NULL;  /* Not found, or an error */
2197
2198 }
2199
2200
2201 /*
2202  * Routine to seek on a directory
2203  */
2204
2205 static int smbc_lseekdir_ctx(SMBCCTX *context, SMBCFILE *dir, off_t offset)
2206 {
2207         struct smbc_dirent *dirent = (struct smbc_dirent *)offset;
2208         struct smbc_dir_list *list_ent = NULL;
2209
2210         if (!context || !context->internal ||
2211             !context->internal->_initialized) {
2212
2213                 errno = EINVAL;
2214                 return -1;
2215
2216         }
2217
2218         if (dir->file != False) { /* FIXME, should be dir, perhaps */
2219
2220                 errno = ENOTDIR;
2221                 return -1;
2222
2223         }
2224
2225         /* Now, check what we were passed and see if it is OK ... */
2226
2227         if (dirent == NULL) {  /* Seek to the begining of the list */
2228
2229                 dir->dir_next = dir->dir_list;
2230                 return 0;
2231
2232         }
2233
2234         /* Now, run down the list and make sure that the entry is OK       */
2235         /* This may need to be changed if we change the format of the list */
2236
2237         if ((list_ent = smbc_check_dir_ent(dir->dir_list, dirent)) == NULL) {
2238
2239                 errno = EINVAL;   /* Bad entry */
2240                 return -1;
2241
2242         }
2243
2244         dir->dir_next = list_ent;
2245
2246         return 0;
2247
2248 }
2249
2250 /*
2251  * Routine to fstat a dir
2252  */
2253
2254 static int smbc_fstatdir_ctx(SMBCCTX *context, SMBCFILE *dir, struct stat *st)
2255 {
2256
2257         if (!context || !context->internal ||
2258             !context->internal->_initialized) {
2259
2260                 errno = EINVAL;
2261                 return -1;
2262
2263         }
2264
2265         /* No code yet ... */
2266
2267         return 0;
2268
2269 }
2270
2271 /*
2272  * Open a print file to be written to by other calls
2273  */
2274
2275 static SMBCFILE *smbc_open_print_job_ctx(SMBCCTX *context, const char *fname)
2276 {
2277         fstring server, share, user, password;
2278         pstring path;
2279
2280         if (!context || !context->internal ||
2281             !context->internal->_initialized) {
2282
2283                 errno = EINVAL;
2284                 return NULL;
2285
2286         }
2287
2288         if (!fname) {
2289
2290                 errno = EINVAL;
2291                 return NULL;
2292
2293         }
2294
2295         DEBUG(4, ("smbc_open_print_job_ctx(%s)\n", fname));
2296
2297         smbc_parse_path(context, fname, server, share, path, user, password); /*FIXME, errors*/
2298
2299         /* What if the path is empty, or the file exists? */
2300
2301         return context->open(context, fname, O_WRONLY, 666);
2302
2303 }
2304
2305 /*
2306  * Routine to print a file on a remote server ...
2307  *
2308  * We open the file, which we assume to be on a remote server, and then
2309  * copy it to a print file on the share specified by printq.
2310  */
2311
2312 static int smbc_print_file_ctx(SMBCCTX *c_file, const char *fname, SMBCCTX *c_print, const char *printq)
2313 {
2314         SMBCFILE *fid1, *fid2;
2315         int bytes, saverr, tot_bytes = 0;
2316         char buf[4096];
2317
2318         if (!c_file || !c_file->internal->_initialized || !c_print ||
2319             !c_print->internal->_initialized) {
2320
2321                 errno = EINVAL;
2322                 return -1;
2323
2324         }
2325
2326         if (!fname && !printq) {
2327
2328                 errno = EINVAL;
2329                 return -1;
2330
2331         }
2332
2333         /* Try to open the file for reading ... */
2334
2335         if ((fid1 = c_file->open(c_file, fname, O_RDONLY, 0666)) < 0) {
2336
2337                 DEBUG(3, ("Error, fname=%s, errno=%i\n", fname, errno));
2338                 return -1;  /* smbc_open sets errno */
2339
2340         }
2341
2342         /* Now, try to open the printer file for writing */
2343
2344         if ((fid2 = c_print->open_print_job(c_print, printq)) < 0) {
2345
2346                 saverr = errno;  /* Save errno */
2347                 c_file->close(c_file, fid1);
2348                 errno = saverr;
2349                 return -1;
2350
2351         }
2352
2353         while ((bytes = c_file->read(c_file, fid1, buf, sizeof(buf))) > 0) {
2354
2355                 tot_bytes += bytes;
2356
2357                 if ((c_print->write(c_print, fid2, buf, bytes)) < 0) {
2358
2359                         saverr = errno;
2360                         c_file->close(c_file, fid1);
2361                         c_print->close(c_print, fid2);
2362                         errno = saverr;
2363
2364                 }
2365
2366         }
2367
2368         saverr = errno;
2369
2370         c_file->close(c_file, fid1);  /* We have to close these anyway */
2371         c_print->close(c_print, fid2);
2372
2373         if (bytes < 0) {
2374
2375                 errno = saverr;
2376                 return -1;
2377
2378         }
2379
2380         return tot_bytes;
2381
2382 }
2383
2384 /*
2385  * Routine to list print jobs on a printer share ...
2386  */
2387
2388 static int smbc_list_print_jobs_ctx(SMBCCTX *context, const char *fname, smbc_list_print_job_fn fn)
2389 {
2390         SMBCSRV *srv;
2391         fstring server, share, user, password, workgroup;
2392         pstring path;
2393
2394         if (!context || !context->internal ||
2395             !context->internal->_initialized) {
2396
2397                 errno = EINVAL;
2398                 return -1;
2399
2400         }
2401
2402         if (!fname) {
2403
2404                 errno = EINVAL;
2405                 return -1;
2406
2407         }
2408
2409         DEBUG(4, ("smbc_list_print_jobs(%s)\n", fname));
2410
2411         smbc_parse_path(context, fname, server, share, path, user, password); /*FIXME, errors*/
2412
2413         if (user[0] == (char)0) fstrcpy(user, context->user);
2414
2415         fstrcpy(workgroup, context->workgroup);
2416
2417         srv = smbc_server(context, server, share, workgroup, user, password);
2418
2419         if (!srv) {
2420
2421                 return -1;  /* errno set by smbc_server */
2422
2423         }
2424
2425         if (cli_print_queue(&srv->cli, (void (*)(struct print_job_info *))fn) < 0) {
2426
2427                 errno = smbc_errno(context, &srv->cli);
2428                 return -1;
2429
2430         }
2431
2432         return 0;
2433
2434 }
2435
2436 /*
2437  * Delete a print job from a remote printer share
2438  */
2439
2440 static int smbc_unlink_print_job_ctx(SMBCCTX *context, const char *fname, int id)
2441 {
2442         SMBCSRV *srv;
2443         fstring server, share, user, password, workgroup;
2444         pstring path;
2445         int err;
2446
2447         if (!context || !context->internal ||
2448             !context->internal->_initialized) {
2449
2450                 errno = EINVAL;
2451                 return -1;
2452
2453         }
2454
2455         if (!fname) {
2456
2457                 errno = EINVAL;
2458                 return -1;
2459
2460         }
2461
2462         DEBUG(4, ("smbc_unlink_print_job(%s)\n", fname));
2463
2464         smbc_parse_path(context, fname, server, share, path, user, password); /*FIXME, errors*/
2465
2466         if (user[0] == (char)0) fstrcpy(user, context->user);
2467
2468         fstrcpy(workgroup, context->workgroup);
2469
2470         srv = smbc_server(context, server, share, workgroup, user, password);
2471
2472         if (!srv) {
2473
2474                 return -1;  /* errno set by smbc_server */
2475
2476         }
2477
2478         if ((err = cli_printjob_del(&srv->cli, id)) != 0) {
2479
2480                 if (err < 0)
2481                         errno = smbc_errno(context, &srv->cli);
2482                 else if (err == ERRnosuchprintjob)
2483                         errno = EINVAL;
2484                 return -1;
2485
2486         }
2487
2488         return 0;
2489
2490 }
2491
2492 /*
2493  * Get a new empty handle to fill in with your own info
2494  */
2495 SMBCCTX * smbc_new_context(void)
2496 {
2497         SMBCCTX * context;
2498
2499         context = malloc(sizeof(SMBCCTX));
2500         if (!context) {
2501                 errno = ENOMEM;
2502                 return NULL;
2503         }
2504
2505         ZERO_STRUCTP(context);
2506
2507         context->internal = malloc(sizeof(struct smbc_internal_data));
2508         if (!context->internal) {
2509                 errno = ENOMEM;
2510                 return NULL;
2511         }
2512
2513         ZERO_STRUCTP(context->internal);
2514
2515
2516         /* ADD REASONABLE DEFAULTS */
2517         context->debug            = 0;
2518         context->timeout          = 20000; /* 20 seconds */
2519
2520         context->open             = smbc_open_ctx;
2521         context->creat            = smbc_creat_ctx;
2522         context->read             = smbc_read_ctx;
2523         context->write            = smbc_write_ctx;
2524         context->close            = smbc_close_ctx;
2525         context->unlink           = smbc_unlink_ctx;
2526         context->rename           = smbc_rename_ctx;
2527         context->lseek            = smbc_lseek_ctx;
2528         context->stat             = smbc_stat_ctx;
2529         context->fstat            = smbc_fstat_ctx;
2530         context->opendir          = smbc_opendir_ctx;
2531         context->closedir         = smbc_closedir_ctx;
2532         context->readdir          = smbc_readdir_ctx;
2533         context->getdents         = smbc_getdents_ctx;
2534         context->mkdir            = smbc_mkdir_ctx;
2535         context->rmdir            = smbc_rmdir_ctx;
2536         context->telldir          = smbc_telldir_ctx;
2537         context->lseekdir         = smbc_lseekdir_ctx;
2538         context->fstatdir         = smbc_fstatdir_ctx;
2539         context->open_print_job   = smbc_open_print_job_ctx;
2540         context->print_file       = smbc_print_file_ctx;
2541         context->list_print_jobs  = smbc_list_print_jobs_ctx;
2542         context->unlink_print_job = smbc_unlink_print_job_ctx;
2543
2544         context->callbacks.check_server_fn      = smbc_check_server;
2545         context->callbacks.remove_unused_server_fn = smbc_remove_unused_server;
2546
2547         smbc_default_cache_functions(context);
2548
2549         return context;
2550 }
2551
2552 /*
2553  * Free a context
2554  *
2555  * Returns 0 on success. Otherwise returns 1, the SMBCCTX is _not_ freed
2556  * and thus you'll be leaking memory if not handled properly.
2557  *
2558  */
2559 int smbc_free_context(SMBCCTX * context, int shutdown_ctx)
2560 {
2561         if (!context) {
2562                 errno = EBADF;
2563                 return 1;
2564         }
2565
2566         if (shutdown_ctx) {
2567                 SMBCFILE * f;
2568                 DEBUG(1,("Performing aggressive shutdown.\n"));
2569
2570                 f = context->internal->_files;
2571                 while (f) {
2572                         context->close(context, f);
2573                         f = f->next;
2574                 }
2575                 context->internal->_files = NULL;
2576
2577                 /* First try to remove the servers the nice way. */
2578                 if (context->callbacks.purge_cached_fn(context)) {
2579                         SMBCSRV * s;
2580                         DEBUG(1, ("Could not purge all servers, Nice way shutdown failed.\n"));
2581                         s = context->internal->_servers;
2582                         while (s) {
2583                                 cli_shutdown(&s->cli);
2584                                 context->callbacks.remove_cached_srv_fn(context, s);
2585                                 SAFE_FREE(s);
2586                                 s = s->next;
2587                         }
2588                         context->internal->_servers = NULL;
2589                 }
2590         }
2591         else {
2592                 /* This is the polite way */
2593                 if (context->callbacks.purge_cached_fn(context)) {
2594                         DEBUG(1, ("Could not purge all servers, free_context failed.\n"));
2595                         errno = EBUSY;
2596                         return 1;
2597                 }
2598                 if (context->internal->_servers) {
2599                         DEBUG(1, ("Active servers in context, free_context failed.\n"));
2600                         errno = EBUSY;
2601                         return 1;
2602                 }
2603                 if (context->internal->_files) {
2604                         DEBUG(1, ("Active files in context, free_context failed.\n"));
2605                         errno = EBUSY;
2606                         return 1;
2607                 }
2608         }
2609
2610         /* Things we have to clean up */
2611         SAFE_FREE(context->workgroup);
2612         SAFE_FREE(context->netbios_name);
2613         SAFE_FREE(context->user);
2614
2615         DEBUG(3, ("Context %p succesfully freed\n", context));
2616         SAFE_FREE(context->internal);
2617         SAFE_FREE(context);
2618         return 0;
2619 }
2620
2621
2622 /*
2623  * Initialise the library etc
2624  *
2625  * We accept a struct containing handle information.
2626  * valid values for info->debug from 0 to 100,
2627  * and insist that info->fn must be non-null.
2628  */
2629 SMBCCTX * smbc_init_context(SMBCCTX * context)
2630 {
2631         pstring conf;
2632         int pid;
2633         char *user = NULL, *home = NULL;
2634
2635         if (!context || !context->internal) {
2636                 errno = EBADF;
2637                 return NULL;
2638         }
2639
2640         /* Do not initialise the same client twice */
2641         if (context->internal->_initialized) {
2642                 return 0;
2643         }
2644
2645         if (!context->callbacks.auth_fn || context->debug < 0 || context->debug > 100) {
2646
2647                 errno = EINVAL;
2648                 return NULL;
2649
2650         }
2651
2652         if (!smbc_initialized) {
2653                 /* Do some library wide intialisations the first time we get called */
2654
2655                 /* Do we still need this ? */
2656                 DEBUGLEVEL = 10;
2657
2658                 setup_logging( "libsmbclient", False);
2659
2660                 /* Here we would open the smb.conf file if needed ... */
2661
2662                 home = getenv("HOME");
2663
2664                 slprintf(conf, sizeof(conf), "%s/.smb/smb.conf", home);
2665
2666                 load_interfaces();  /* Load the list of interfaces ... */
2667
2668                 in_client = True; /* FIXME, make a param */
2669
2670                 if (!lp_load(conf, True, False, False)) {
2671
2672                         /*
2673                          * Hmmm, what the hell do we do here ... we could not parse the
2674                          * config file ... We must return an error ... and keep info around
2675                          * about why we failed
2676                          */
2677
2678                         errno = ENOENT; /* FIXME: Figure out the correct error response */
2679                         return NULL;
2680                 }
2681
2682                 reopen_logs();  /* Get logging working ... */
2683
2684                 /*
2685                  * Block SIGPIPE (from lib/util_sock.c: write())
2686                  * It is not needed and should not stop execution
2687                  */
2688                 BlockSignals(True, SIGPIPE);
2689
2690                 /* Done with one-time initialisation */
2691                 smbc_initialized = 1;
2692
2693         }
2694
2695         if (!context->user) {
2696                 /*
2697                  * FIXME: Is this the best way to get the user info?
2698                  */
2699                 user = getenv("USER");
2700                 /* walk around as "guest" if no username can be found */
2701                 if (!user) context->user = strdup("guest");
2702                 else context->user = strdup(user);
2703         }
2704
2705         if (!context->netbios_name) {
2706                 /*
2707                  * We try to get our netbios name from the config. If that fails we fall
2708                  * back on constructing our netbios name from our hostname etc
2709                  */
2710                 if (global_myname()) {
2711                         context->netbios_name = strdup(global_myname());
2712                 }
2713                 else {
2714                         /*
2715                          * Hmmm, I want to get hostname as well, but I am too lazy for the moment
2716                          */
2717                         pid = sys_getpid();
2718                         context->netbios_name = malloc(17);
2719                         if (!context->netbios_name) {
2720                                 errno = ENOMEM;
2721                                 return NULL;
2722                         }
2723                         slprintf(context->netbios_name, 16, "smbc%s%d", context->user, pid);
2724                 }
2725         }
2726         DEBUG(0,("Using netbios name %s.\n", context->netbios_name));
2727
2728
2729         if (!context->workgroup) {
2730                 if (lp_workgroup()) {
2731                         context->workgroup = strdup(lp_workgroup());
2732                 }
2733                 else {
2734                         /* TODO: Think about a decent default workgroup */
2735                         context->workgroup = strdup("samba");
2736                 }
2737         }
2738         DEBUG(0,("Using workgroup %s.\n", context->workgroup));
2739
2740         /* shortest timeout is 1 second */
2741         if (context->timeout > 0 && context->timeout < 1000)
2742                 context->timeout = 1000;
2743
2744         /*
2745          * FIXME: Should we check the function pointers here?
2746          */
2747
2748         context->internal->_initialized = 1;
2749
2750         return context;
2751 }