source3/utils/smbcacls.c

   1 /*
   2    Unix SMB/Netbios implementation.
   3    ACL get/set utility
   4    Version 3.0
   5
   6    Copyright (C) Andrew Tridgell 2000
   7    Copyright (C) Tim Potter      2000
   8    Copyright (C) Jeremy Allison  2000
   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 static fstring password;
  28 static pstring username;
  29 static pstring owner_username;
  30 static fstring server;
  31 static int got_pass;
  32 static int test_args;
  33
  34 /* numeric is set when the user wants numeric SIDs and ACEs rather
  35    than going via LSA calls to resolve them */
  36 static int numeric;
  37
  38 enum acl_mode {ACL_SET, ACL_DELETE, ACL_MODIFY, ACL_ADD };
  39 enum chown_mode {REQUEST_NONE, REQUEST_CHOWN, REQUEST_CHGRP};
  40 enum exit_values {EXIT_OK, EXIT_FAILED, EXIT_PARSE_ERROR};
  41
  42 struct perm_value {
  43         char *perm;
  44         uint32 mask;
  45 };
  46
  47 /* These values discovered by inspection */
  48
  49 static struct perm_value special_values[] = {
  50         { "R", 0x00120089 },
  51         { "W", 0x00120116 },
  52         { "X", 0x001200a0 },
  53         { "D", 0x00010000 },
  54         { "P", 0x00040000 },
  55         { "O", 0x00080000 },
  56         { NULL, 0 },
  57 };
  58
  59 static struct perm_value standard_values[] = {
  60         { "READ",   0x001200a9 },
  61         { "CHANGE", 0x001301bf },
  62         { "FULL",   0x001f01ff },
  63         { NULL, 0 },
  64 };
  65
  66 struct cli_state lsa_cli;
  67 POLICY_HND pol;
  68 struct ntuser_creds creds;
  69 BOOL got_policy_hnd;
  70
  71 /* Open cli connection and policy handle */
  72
  73 static BOOL open_policy_hnd(void)
  74 {
  75         creds.pwd.null_pwd = 1;
  76
  77         /* Initialise cli LSA connection */
  78
  79         if (!lsa_cli.initialised &&
  80             !cli_lsa_initialise(&lsa_cli, server, &creds)) {
  81                 return False;
  82         }
  83
  84         /* Open policy handle */
  85
  86         if (!got_policy_hnd) {
  87                 if (cli_lsa_open_policy(&lsa_cli, True,
  88                                         SEC_RIGHTS_MAXIMUM_ALLOWED, &pol)
  89                     != NT_STATUS_NOPROBLEMO) {
  90                         return False;
  91                 }
  92
  93                 got_policy_hnd = True;
  94         }
  95
  96         return True;
  97 }
  98
  99 /* convert a SID to a string, either numeric or username/group */
 100 static void SidToString(fstring str, DOM_SID *sid)
 101 {
 102         char **names = NULL;
 103         uint32 *types = NULL;
 104         int num_names;
 105
 106         sid_to_string(str, sid);
 107
 108         if (numeric) return;
 109
 110         /* Ask LSA to convert the sid to a name */
 111
 112         if (!open_policy_hnd() ||
 113             cli_lsa_lookup_sids(&lsa_cli, &pol, 1, sid, &names, &types,
 114                                 &num_names) != NT_STATUS_NOPROBLEMO) {
 115                 return;
 116         }
 117
 118         /* Converted OK */
 119
 120         fstrcpy(str, names[0]);
 121
 122         safe_free(names[0]);
 123         safe_free(names);
 124         safe_free(types);
 125 }
 126
 127 /* convert a string to a SID, either numeric or username/group */
 128 static BOOL StringToSid(DOM_SID *sid, char *str)
 129 {
 130         uint32 *types = NULL;
 131         DOM_SID *sids = NULL;
 132         int num_sids;
 133         BOOL result = True;
 134
 135         if (strncmp(str, "S-", 2) == 0) {
 136                 return string_to_sid(sid, str);
 137         }
 138
 139         if (!open_policy_hnd() ||
 140             cli_lsa_lookup_names(&lsa_cli, &pol, 1, &str, &sids, &types,
 141                                  &num_sids) != NT_STATUS_NOPROBLEMO) {
 142                 result = False;
 143                 goto done;
 144         }
 145
 146         sid_copy(sid, &sids[0]);
 147
 148         safe_free(sids);
 149         safe_free(types);
 150
 151  done:
 152
 153         return result;
 154 }
 155
 156
 157 /* print an ACE on a FILE, using either numeric or ascii representation */
 158 static void print_ace(FILE *f, SEC_ACE *ace)
 159 {
 160         struct perm_value *v;
 161         fstring sidstr;
 162         int do_print = 0;
 163         uint32 got_mask;
 164
 165         SidToString(sidstr, &ace->sid);
 166
 167         fprintf(f, "%s:", sidstr);
 168
 169         if (numeric) {
 170                 fprintf(f, "%d/%d/0x%08x\n",
 171                         ace->type, ace->flags, ace->info.mask);
 172                 return;
 173         }
 174
 175         /* Ace type */
 176
 177         if (ace->type == SEC_ACE_TYPE_ACCESS_ALLOWED) {
 178                 fprintf(f, "ALLOWED");
 179         } else if (ace->type == SEC_ACE_TYPE_ACCESS_DENIED) {
 180                 fprintf(f, "DENIED");
 181         } else {
 182                 fprintf(f, "%d", ace->type);
 183         }
 184
 185         /* Not sure what flags can be set in a file ACL */
 186
 187         fprintf(f, "/%d/", ace->flags);
 188
 189         /* Standard permissions */
 190
 191         for (v = standard_values; v->perm; v++) {
 192                 if (ace->info.mask == v->mask) {
 193                         fprintf(f, "%s\n", v->perm);
 194                         return;
 195                 }
 196         }
 197
 198         /* Special permissions.  Print out a hex value if we have
 199            leftover bits in the mask. */
 200
 201         got_mask = ace->info.mask;
 202
 203  again:
 204         for (v = special_values; v->perm; v++) {
 205                 if ((ace->info.mask & v->mask) == v->mask) {
 206                         if (do_print) {
 207                                 fprintf(f, "%s", v->perm);
 208                         }
 209                         got_mask &= ~v->mask;
 210                 }
 211         }
 212
 213         if (!do_print) {
 214                 if (got_mask != 0) {
 215                         fprintf(f, "0x%08x", ace->info.mask);
 216                 } else {
 217                         do_print = 1;
 218                         goto again;
 219                 }
 220         }
 221
 222         fprintf(f, "\n");
 223 }
 224
 225
 226 /* parse an ACE in the same format as print_ace() */
 227 static BOOL parse_ace(SEC_ACE *ace, char *str)
 228 {
 229         char *p;
 230         fstring tok;
 231         unsigned atype, aflags, amask;
 232         DOM_SID sid;
 233         SEC_ACCESS mask;
 234         struct perm_value *v;
 235
 236         ZERO_STRUCTP(ace);
 237         p = strchr(str,':');
 238         if (!p) return False;
 239         *p = '\0';
 240         p++;
 241
 242         /* Try to parse numeric form */
 243
 244         if (sscanf(p, "%i/%i/%i", &atype, &aflags, &amask) == 3 &&
 245             StringToSid(&sid, str)) {
 246                 goto done;
 247         }
 248
 249         /* Try to parse text form */
 250
 251         if (!StringToSid(&sid, str)) {
 252                 return False;
 253         }
 254
 255         if (!next_token(&p, tok, "/", sizeof(fstring))) {
 256                 return False;
 257         }
 258
 259         if (strncmp(tok, "ALLOWED", strlen("ALLOWED")) == 0) {
 260                 atype = SEC_ACE_TYPE_ACCESS_ALLOWED;
 261         } else if (strncmp(tok, "DENIED", strlen("DENIED")) == 0) {
 262                 atype = SEC_ACE_TYPE_ACCESS_DENIED;
 263         } else {
 264                 return False;
 265         }
 266
 267         /* Only numeric form accepted for flags at present */
 268
 269         if (!(next_token(NULL, tok, "/", sizeof(fstring)) &&
 270               sscanf(tok, "%i", &aflags))) {
 271                 return False;
 272         }
 273
 274         if (!next_token(NULL, tok, "/", sizeof(fstring))) {
 275                 return False;
 276         }
 277
 278         if (strncmp(tok, "0x", 2) == 0) {
 279                 if (sscanf(tok, "%i", &amask) != 1) {
 280                         return False;
 281                 }
 282                 goto done;
 283         }
 284
 285         for (v = standard_values; v->perm; v++) {
 286                 if (strcmp(tok, v->perm) == 0) {
 287                         amask = v->mask;
 288                         goto done;
 289                 }
 290         }
 291
 292         p = tok;
 293
 294         while(*p) {
 295                 BOOL found = False;
 296
 297                 for (v = special_values; v->perm; v++) {
 298                         if (v->perm[0] == *p) {
 299                                 amask |= v->mask;
 300                                 found = True;
 301                         }
 302                 }
 303
 304                 if (!found) return False;
 305                 p++;
 306         }
 307
 308         if (*p) {
 309                 return False;
 310         }
 311
 312  done:
 313         mask.mask = amask;
 314         init_sec_ace(ace, &sid, atype, mask, aflags);
 315         return True;
 316 }
 317
 318 /* add an ACE to a list of ACEs in a SEC_ACL */
 319 static BOOL add_ace(SEC_ACL **the_acl, SEC_ACE *ace)
 320 {
 321         SEC_ACL *new;
 322         SEC_ACE *aces;
 323         if (! *the_acl) {
 324                 (*the_acl) = make_sec_acl(3, 1, ace);
 325                 return True;
 326         }
 327
 328         aces = calloc(1+(*the_acl)->num_aces,sizeof(SEC_ACE));
 329         memcpy(aces, (*the_acl)->ace, (*the_acl)->num_aces * sizeof(SEC_ACE));
 330         memcpy(aces+(*the_acl)->num_aces, ace, sizeof(SEC_ACE));
 331         new = make_sec_acl((*the_acl)->revision,1+(*the_acl)->num_aces, aces);
 332         free_sec_acl(the_acl);
 333         free(aces);
 334         (*the_acl) = new;
 335         return True;
 336 }
 337
 338 /* parse a ascii version of a security descriptor */
 339 static SEC_DESC *sec_desc_parse(char *str)
 340 {
 341         char *p = str;
 342         fstring tok;
 343         SEC_DESC *ret;
 344         unsigned sd_size;
 345         DOM_SID *grp_sid=NULL, *owner_sid=NULL;
 346         SEC_ACL *dacl=NULL;
 347         int revision=1;
 348
 349         while (next_token(&p, tok, "\t,\r\n", sizeof(tok))) {
 350
 351                 if (strncmp(tok,"REVISION:", 9) == 0) {
 352                         revision = strtol(tok+9, NULL, 16);
 353                         continue;
 354                 }
 355
 356                 if (strncmp(tok,"OWNER:", 6) == 0) {
 357                         owner_sid = (DOM_SID *)calloc(1, sizeof(DOM_SID));
 358                         if (!owner_sid ||
 359                             !StringToSid(owner_sid, tok+6)) {
 360                                 printf("Failed to parse owner sid\n");
 361                                 return NULL;
 362                         }
 363                         continue;
 364                 }
 365
 366                 if (strncmp(tok,"GROUP:", 6) == 0) {
 367                         grp_sid = (DOM_SID *)calloc(1, sizeof(DOM_SID));
 368                         if (!grp_sid ||
 369                             !StringToSid(grp_sid, tok+6)) {
 370                                 printf("Failed to parse group sid\n");
 371                                 return NULL;
 372                         }
 373                         continue;
 374                 }
 375
 376                 if (strncmp(tok,"ACL:", 4) == 0) {
 377                         SEC_ACE ace;
 378                         if (!parse_ace(&ace, tok+4)) {
 379                                 printf("Failed to parse ACL %s\n", tok);
 380                                 return NULL;
 381                         }
 382                         if(!add_ace(&dacl, &ace)) {
 383                                 printf("Failed to add ACL %s\n", tok);
 384                                 return NULL;
 385                         }
 386                         continue;
 387                 }
 388
 389                 printf("Failed to parse security descriptor\n");
 390                 return NULL;
 391         }
 392
 393         ret = make_sec_desc(revision, owner_sid, grp_sid,
 394                             NULL, dacl, &sd_size);
 395
 396         free_sec_acl(&dacl);
 397
 398         if (grp_sid) free(grp_sid);
 399         if (owner_sid) free(owner_sid);
 400
 401         return ret;
 402 }
 403
 404
 405 /* print a ascii version of a security descriptor on a FILE handle */
 406 static void sec_desc_print(FILE *f, SEC_DESC *sd)
 407 {
 408         fstring sidstr;
 409         int i;
 410
 411         printf("REVISION:%d\n", sd->revision);
 412
 413         /* Print owner and group sid */
 414
 415         if (sd->owner_sid) {
 416                 SidToString(sidstr, sd->owner_sid);
 417         } else {
 418                 fstrcpy(sidstr, "");
 419         }
 420
 421         printf("OWNER:%s\n", sidstr);
 422
 423         if (sd->grp_sid) {
 424                 SidToString(sidstr, sd->grp_sid);
 425         } else {
 426                 fstrcpy(sidstr, "");
 427         }
 428
 429         fprintf(f, "GROUP:%s\n", sidstr);
 430
 431         /* Print aces */
 432         for (i = 0; sd->dacl && i < sd->dacl->num_aces; i++) {
 433                 SEC_ACE *ace = &sd->dacl->ace[i];
 434                 fprintf(f, "ACL:");
 435                 print_ace(f, ace);
 436         }
 437
 438 }
 439
 440 /* Some systems seem to require unicode pathnames for the ntcreate&x call
 441    despite Samba negotiating ascii filenames.  Try with unicode pathname if
 442    the ascii version fails. */
 443
 444 int do_cli_nt_create(struct cli_state *cli, char *fname, uint32 DesiredAccess)
 445 {
 446         int result;
 447
 448         result = cli_nt_create(cli, fname, DesiredAccess);
 449
 450         if (result == -1) {
 451                 uint32 errnum, nt_rpc_error;
 452                 uint8 errclass;
 453
 454                 cli_error(cli, &errclass, &errnum, &nt_rpc_error);
 455
 456                 if (errclass == ERRDOS && errnum == ERRbadpath) {
 457                         result = cli_nt_create_uni(cli, fname, DesiredAccess);
 458                 }
 459         }
 460
 461         return result;
 462 }
 463
 464 /*****************************************************
 465 dump the acls for a file
 466 *******************************************************/
 467 static int cacl_dump(struct cli_state *cli, char *filename)
 468 {
 469         int fnum;
 470         SEC_DESC *sd;
 471
 472         if (test_args) return EXIT_OK;
 473
 474         fnum = do_cli_nt_create(cli, filename, 0x20000);
 475         if (fnum == -1) {
 476                 printf("Failed to open %s: %s\n", filename, cli_errstr(cli));
 477                 return EXIT_FAILED;
 478         }
 479
 480         sd = cli_query_secdesc(cli, fnum);
 481
 482         if (!sd) {
 483                 printf("ERROR: secdesc query failed: %s\n", cli_errstr(cli));
 484                 return EXIT_FAILED;
 485         }
 486
 487         sec_desc_print(stdout, sd);
 488
 489         free_sec_desc(&sd);
 490
 491         cli_close(cli, fnum);
 492
 493         return EXIT_OK;
 494 }
 495
 496 /*****************************************************
 497 Change the ownership or group ownership of a file. Just
 498 because the NT docs say this can't be done :-). JRA.
 499 *******************************************************/
 500
 501 static int owner_set(struct cli_state *cli, enum chown_mode change_mode,
 502                      char *filename, char *new_username)
 503 {
 504         int fnum;
 505         DOM_SID sid;
 506         SEC_DESC *sd, *old;
 507         size_t sd_size;
 508
 509         fnum = do_cli_nt_create(cli, filename,
 510                                 READ_CONTROL_ACCESS | WRITE_DAC_ACCESS
 511                                 | WRITE_OWNER_ACCESS);
 512
 513         if (fnum == -1) {
 514                 printf("Failed to open %s: %s\n", filename, cli_errstr(cli));
 515                 return EXIT_FAILED;
 516         }
 517
 518         if (!StringToSid(&sid, new_username))
 519                 return EXIT_PARSE_ERROR;
 520
 521         old = cli_query_secdesc(cli, fnum);
 522
 523         sd = make_sec_desc(old->revision,
 524                                 (change_mode == REQUEST_CHOWN) ? &sid : old->owner_sid,
 525                                 (change_mode == REQUEST_CHGRP) ? &sid : old->grp_sid,
 526                            NULL, old->dacl, &sd_size);
 527
 528         if (!cli_set_secdesc(cli, fnum, sd)) {
 529                 printf("ERROR: secdesc set failed: %s\n", cli_errstr(cli));
 530         }
 531
 532         free_sec_desc(&sd);
 533         free_sec_desc(&old);
 534
 535         cli_close(cli, fnum);
 536
 537         return EXIT_OK;
 538 }
 539
 540 /* The MSDN is contradictory over the ordering of ACE entries in an ACL.
 541    However NT4 gives a "The information may have been modified by a
 542    computer running Windows NT 5.0" if denied ACEs do not appear before
 543    allowed ACEs. */
 544
 545 static void sort_acl(SEC_ACL *the_acl)
 546 {
 547         SEC_ACE *tmp_ace;
 548         int i, ace_ndx = 0;
 549         BOOL do_denied = True;
 550
 551         tmp_ace = (SEC_ACE *)malloc(sizeof(SEC_ACE) * the_acl->num_aces);
 552
 553         if (!tmp_ace) return;
 554
 555  copy_aces:
 556
 557         for (i = 0; i < the_acl->num_aces; i++) {
 558
 559                 /* Copy denied ACEs */
 560
 561                 if (do_denied &&
 562                     the_acl->ace[i].type == SEC_ACE_TYPE_ACCESS_DENIED) {
 563                         tmp_ace[ace_ndx] = the_acl->ace[i];
 564                         ace_ndx++;
 565                 }
 566
 567                 /* Copy other ACEs */
 568
 569                 if (!do_denied &&
 570                     the_acl->ace[i].type != SEC_ACE_TYPE_ACCESS_DENIED) {
 571                         tmp_ace[ace_ndx] = the_acl->ace[i];
 572                         ace_ndx++;
 573                 }
 574         }
 575
 576         if (do_denied) {
 577                 do_denied = False;
 578                 goto copy_aces;
 579         }
 580
 581         free(the_acl->ace);
 582         the_acl->ace = tmp_ace;
 583 }
 584
 585 /*****************************************************
 586 set the ACLs on a file given an ascii description
 587 *******************************************************/
 588 static int cacl_set(struct cli_state *cli, char *filename,
 589                     char *the_acl, enum acl_mode mode)
 590 {
 591         int fnum;
 592         SEC_DESC *sd, *old;
 593         int i, j;
 594         size_t sd_size;
 595         int result = EXIT_OK;
 596
 597         sd = sec_desc_parse(the_acl);
 598
 599         if (!sd) return EXIT_PARSE_ERROR;
 600         if (test_args) return EXIT_OK;
 601
 602         /* The desired access below is the only one I could find that works
 603            with NT4, W2KP and Samba */
 604
 605         fnum = do_cli_nt_create(cli, filename,
 606                                 MAXIMUM_ALLOWED_ACCESS | 0x60000);
 607
 608         if (fnum == -1) {
 609                 printf("Failed to open %s: %s\n", filename, cli_errstr(cli));
 610                 return EXIT_FAILED;
 611         }
 612
 613         old = cli_query_secdesc(cli, fnum);
 614
 615         /* the logic here is rather more complex than I would like */
 616         switch (mode) {
 617         case ACL_DELETE:
 618                 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
 619                         BOOL found = False;
 620
 621                         for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
 622                                 if (sec_ace_equal(&sd->dacl->ace[i],
 623                                                   &old->dacl->ace[j])) {
 624                                         if (j != old->dacl->num_aces-1) {
 625                                                 old->dacl->ace[j] = old->dacl->ace[j+1];
 626                                         }
 627                                         old->dacl->num_aces--;
 628                                         if (old->dacl->num_aces == 0) {
 629                                                 free(old->dacl->ace);
 630                                                 old->dacl->ace=NULL;
 631                                                 free(old->dacl);
 632                                                 old->dacl = NULL;
 633                                                 old->off_dacl = 0;
 634                                         }
 635                                         found = True;
 636                                         break;
 637                                 }
 638                         }
 639
 640                         if (!found) {
 641                                 fstring str;
 642
 643                                 SidToString(str, &sd->dacl->ace[i].sid);
 644                                 printf("ACL for SID %s not found\n", str);
 645                         }
 646                 }
 647                 break;
 648
 649         case ACL_MODIFY:
 650                 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
 651                         BOOL found = False;
 652
 653                         for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
 654                                 if (sid_equal(&sd->dacl->ace[i].sid,
 655                                               &old->dacl->ace[j].sid)) {
 656                                         old->dacl->ace[j] = sd->dacl->ace[i];
 657                                         found = True;
 658                                 }
 659                         }
 660
 661                         if (!found) {
 662                                 fstring str;
 663
 664                                 SidToString(str, &sd->dacl->ace[i].sid);
 665                                 printf("ACL for SID %s not found\n", str);
 666                         }
 667                 }
 668
 669                 break;
 670
 671         case ACL_ADD:
 672                 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
 673                         add_ace(&old->dacl, &sd->dacl->ace[i]);
 674                 }
 675                 break;
 676
 677         case ACL_SET:
 678                 free_sec_desc(&old);
 679                 old = sd;
 680                 break;
 681         }
 682
 683         if (sd != old) {
 684                 free_sec_desc(&sd);
 685         }
 686
 687         /* Denied ACE entries must come before allowed ones */
 688
 689         sort_acl(old->dacl);
 690
 691         /* Create new security descriptor and set it */
 692
 693         sd = make_sec_desc(old->revision, old->owner_sid, old->grp_sid,
 694                            NULL, old->dacl, &sd_size);
 695
 696         if (!cli_set_secdesc(cli, fnum, sd)) {
 697                 printf("ERROR: secdesc set failed: %s\n", cli_errstr(cli));
 698                 result = EXIT_FAILED;
 699         }
 700
 701         /* Clean up */
 702
 703         free_sec_desc(&sd);
 704         free_sec_desc(&old);
 705
 706         cli_close(cli, fnum);
 707
 708         return result;
 709 }
 710
 711
 712 /*****************************************************
 713 return a connection to a server
 714 *******************************************************/
 715 struct cli_state *connect_one(char *share)
 716 {
 717         struct cli_state *c;
 718         struct nmb_name called, calling;
 719         char *server_n;
 720         struct in_addr ip;
 721         extern struct in_addr ipzero;
 722         extern pstring global_myname;
 723
 724         fstrcpy(server,share+2);
 725         share = strchr(server,'\\');
 726         if (!share) return NULL;
 727         *share = 0;
 728         share++;
 729
 730         server_n = server;
 731
 732         ip = ipzero;
 733
 734         make_nmb_name(&calling, global_myname, 0x0);
 735         make_nmb_name(&called , server, 0x20);
 736
 737  again:
 738         ip = ipzero;
 739
 740         /* have to open a new connection */
 741         if (!(c=cli_initialise(NULL)) || (cli_set_port(c, 139) == 0) ||
 742             !cli_connect(c, server_n, &ip)) {
 743                 DEBUG(0,("Connection to %s failed\n", server_n));
 744                 cli_shutdown(c);
 745                 safe_free(c);
 746                 return NULL;
 747         }
 748
 749         if (!cli_session_request(c, &calling, &called)) {
 750                 DEBUG(0,("session request to %s failed\n", called.name));
 751                 cli_shutdown(c);
 752                 safe_free(c);
 753                 if (strcmp(called.name, "*SMBSERVER")) {
 754                         make_nmb_name(&called , "*SMBSERVER", 0x20);
 755                         goto again;
 756                 }
 757                 return NULL;
 758         }
 759
 760         DEBUG(4,(" session request ok\n"));
 761
 762         if (!cli_negprot(c)) {
 763                 DEBUG(0,("protocol negotiation failed\n"));
 764                 cli_shutdown(c);
 765                 safe_free(c);
 766                 return NULL;
 767         }
 768
 769         if (!got_pass) {
 770                 char *pass = getpass("Password: ");
 771                 if (pass) {
 772                         pstrcpy(password, pass);
 773                 }
 774         }
 775
 776         if (!cli_session_setup(c, username,
 777                                password, strlen(password),
 778                                password, strlen(password),
 779                                lp_workgroup())) {
 780                 DEBUG(0,("session setup failed: %s\n", cli_errstr(c)));
 781                 cli_shutdown(c);
 782                 safe_free(c);
 783                 return NULL;
 784         }
 785
 786         DEBUG(4,(" session setup ok\n"));
 787
 788         if (!cli_send_tconX(c, share, "?????",
 789                             password, strlen(password)+1)) {
 790                 DEBUG(0,("tree connect failed: %s\n", cli_errstr(c)));
 791                 cli_shutdown(c);
 792                 safe_free(c);
 793                 return NULL;
 794         }
 795
 796         DEBUG(4,(" tconx ok\n"));
 797
 798         return c;
 799 }
 800
 801
 802 static void usage(void)
 803 {
 804         printf(
 805 "Usage: smbcacls //server1/share1 filename [options]\n\
 806 \n\
 807 \t-D <acls>               delete an acl\n\
 808 \t-M <acls>               modify an acl\n\
 809 \t-A <acls>               add an acl\n\
 810 \t-S <acls>               set acls\n\
 811 \t-C username             change ownership of a file\n\
 812 \t-G username             change group ownership of a file\n\
 813 \t-n                      don't resolve sids or masks to names\n\
 814 \t-h                      print help\n\
 815 \n\
 816 The username can be of the form username%%password or\n\
 817 workgroup\\username%%password.\n\n\
 818 An acl is of the form ACL:<SID>:type/flags/mask\n\
 819 You can string acls together with spaces, commas or newlines\n\
 820 ");
 821 }
 822
 823 /****************************************************************************
 824   main program
 825 ****************************************************************************/
 826  int main(int argc,char *argv[])
 827 {
 828         char *share;
 829         char *filename;
 830         extern char *optarg;
 831         extern int optind;
 832         extern FILE *dbf;
 833         int opt;
 834         char *p;
 835         int seed;
 836         static pstring servicesf = CONFIGFILE;
 837         struct cli_state *cli;
 838         enum acl_mode mode;
 839         char *the_acl = NULL;
 840         enum chown_mode change_mode = REQUEST_NONE;
 841         int result;
 842
 843         setlinebuf(stdout);
 844
 845         dbf = stderr;
 846
 847         if (argc < 3 || argv[1][0] == '-') {
 848                 usage();
 849                 exit(EXIT_PARSE_ERROR);
 850         }
 851
 852         setup_logging(argv[0],True);
 853
 854         share = argv[1];
 855         filename = argv[2];
 856         all_string_sub(share,"/","\\",0);
 857
 858         argc -= 2;
 859         argv += 2;
 860
 861         TimeInit();
 862         charset_initialise();
 863
 864         lp_load(servicesf,True,False,False);
 865         codepage_initialise(lp_client_code_page());
 866         load_interfaces();
 867
 868         if (getenv("USER")) {
 869                 pstrcpy(username,getenv("USER"));
 870
 871                 if ((p=strchr(username,'%'))) {
 872                         *p = 0;
 873                         pstrcpy(password,p+1);
 874                         got_pass = True;
 875                         memset(strchr(getenv("USER"), '%') + 1, 'X',
 876                                strlen(password));
 877                 }
 878         }
 879
 880         seed = time(NULL);
 881
 882         while ((opt = getopt(argc, argv, "U:nhS:D:A:M:C:G:t")) != EOF) {
 883                 switch (opt) {
 884                 case 'U':
 885                         pstrcpy(username,optarg);
 886                         p = strchr(username,'%');
 887                         if (p) {
 888                                 *p = 0;
 889                                 pstrcpy(password, p+1);
 890                                 got_pass = 1;
 891                         }
 892                         break;
 893
 894                 case 'S':
 895                         the_acl = optarg;
 896                         mode = ACL_SET;
 897                         break;
 898
 899                 case 'D':
 900                         the_acl = optarg;
 901                         mode = ACL_DELETE;
 902                         break;
 903
 904                 case 'M':
 905                         the_acl = optarg;
 906                         mode = ACL_MODIFY;
 907                         break;
 908
 909                 case 'A':
 910                         the_acl = optarg;
 911                         mode = ACL_ADD;
 912                         break;
 913
 914                 case 'C':
 915                         pstrcpy(owner_username,optarg);
 916                         change_mode = REQUEST_CHOWN;
 917                         break;
 918
 919                 case 'G':
 920                         pstrcpy(owner_username,optarg);
 921                         change_mode = REQUEST_CHGRP;
 922                         break;
 923
 924                 case 'n':
 925                         numeric = 1;
 926                         break;
 927
 928                 case 't':
 929                         test_args = 1;
 930                         break;
 931
 932                 case 'h':
 933                         usage();
 934                         exit(EXIT_PARSE_ERROR);
 935
 936                 default:
 937                         printf("Unknown option %c (%d)\n", (char)opt, opt);
 938                         exit(EXIT_PARSE_ERROR);
 939                 }
 940         }
 941
 942         argc -= optind;
 943         argv += optind;
 944
 945         if (argc > 0) {
 946                 usage();
 947                 exit(EXIT_PARSE_ERROR);
 948         }
 949
 950         /* Make connection to server */
 951
 952         if (!test_args) {
 953                 cli = connect_one(share);
 954                 if (!cli) exit(EXIT_FAILED);
 955         }
 956
 957         {
 958                 char *s;
 959
 960                 s = filename;
 961                 while(*s) {
 962                         if (*s == '/') *s = '\\';
 963                         s++;
 964                 }
 965         }
 966
 967         /* Perform requested action */
 968
 969         if (change_mode != REQUEST_NONE) {
 970                 result = owner_set(cli, change_mode, filename, owner_username);
 971         } else if (the_acl) {
 972                 result = cacl_set(cli, filename, the_acl, mode);
 973         } else {
 974                 result = cacl_dump(cli, filename);
 975         }
 976
 977         return result;
 978 }