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 TALLOC_CTX *ctx;
  34
  35 #define CREATE_ACCESS_READ READ_CONTROL_ACCESS
  36 #define CREATE_ACCESS_WRITE (WRITE_DAC_ACCESS | WRITE_OWNER_ACCESS)
  37
  38 /* numeric is set when the user wants numeric SIDs and ACEs rather
  39    than going via LSA calls to resolve them */
  40 static int numeric;
  41
  42 enum acl_mode {SMB_ACL_SET, SMB_ACL_DELETE, SMB_ACL_MODIFY, SMB_ACL_ADD };
  43 enum chown_mode {REQUEST_NONE, REQUEST_CHOWN, REQUEST_CHGRP};
  44 enum exit_values {EXIT_OK, EXIT_FAILED, EXIT_PARSE_ERROR};
  45
  46 struct perm_value {
  47         char *perm;
  48         uint32 mask;
  49 };
  50
  51 /* These values discovered by inspection */
  52
  53 static struct perm_value special_values[] = {
  54         { "R", 0x00120089 },
  55         { "W", 0x00120116 },
  56         { "X", 0x001200a0 },
  57         { "D", 0x00010000 },
  58         { "P", 0x00040000 },
  59         { "O", 0x00080000 },
  60         { NULL, 0 },
  61 };
  62
  63 static struct perm_value standard_values[] = {
  64         { "READ",   0x001200a9 },
  65         { "CHANGE", 0x001301bf },
  66         { "FULL",   0x001f01ff },
  67         { NULL, 0 },
  68 };
  69
  70 struct cli_state lsa_cli;
  71 POLICY_HND pol;
  72 struct ntuser_creds creds;
  73 BOOL got_policy_hnd;
  74
  75 /* Open cli connection and policy handle */
  76
  77 static BOOL cacls_open_policy_hnd(void)
  78 {
  79         creds.pwd.null_pwd = 1;
  80
  81         /* Initialise cli LSA connection */
  82
  83         if (!lsa_cli.initialised &&
  84             !cli_lsa_initialise(&lsa_cli, server, &creds)) {
  85                 return False;
  86         }
  87
  88         /* Open policy handle */
  89
  90         if (!got_policy_hnd) {
  91
  92                 /* Some systems don't support SEC_RIGHTS_MAXIMUM_ALLOWED,
  93                    but NT sends 0x2000000 so we might as well do it too. */
  94
  95                 if (!NT_STATUS_IS_OK(cli_lsa_open_policy(&lsa_cli, lsa_cli.mem_ctx, True,
  96                                                          GENERIC_EXECUTE_ACCESS, &pol))) {
  97                         return False;
  98                 }
  99
 100                 got_policy_hnd = True;
 101         }
 102
 103         return True;
 104 }
 105
 106 /* convert a SID to a string, either numeric or username/group */
 107 static void SidToString(fstring str, DOM_SID *sid)
 108 {
 109         char **domains = NULL;
 110         char **names = NULL;
 111         uint32 *types = NULL;
 112         int num_names;
 113
 114         sid_to_string(str, sid);
 115
 116         if (numeric) return;
 117
 118         /* Ask LSA to convert the sid to a name */
 119
 120         if (!cacls_open_policy_hnd() ||
 121             !NT_STATUS_IS_OK(cli_lsa_lookup_sids(&lsa_cli, lsa_cli.mem_ctx,
 122                                                  &pol, 1, sid, &domains, &names,
 123                                                  &types, &num_names)) ||
 124             !domains || !domains[0] || !names || !names[0]) {
 125                 return;
 126         }
 127
 128         /* Converted OK */
 129
 130         slprintf(str, sizeof(fstring) - 1, "%s%s%s",
 131                  domains[0], lp_winbind_separator(),
 132                  names[0]);
 133
 134 }
 135
 136 /* convert a string to a SID, either numeric or username/group */
 137 static BOOL StringToSid(DOM_SID *sid, const char *str)
 138 {
 139         uint32 *types = NULL;
 140         DOM_SID *sids = NULL;
 141         int num_sids;
 142         BOOL result = True;
 143
 144         if (strncmp(str, "S-", 2) == 0) {
 145                 return string_to_sid(sid, str);
 146         }
 147
 148         if (!cacls_open_policy_hnd() ||
 149             !NT_STATUS_IS_OK(cli_lsa_lookup_names(&lsa_cli, lsa_cli.mem_ctx, &pol, 1,
 150                                                   &str,
 151                                                   &sids, &types, &num_sids))) {
 152                 result = False;
 153                 goto done;
 154         }
 155
 156         sid_copy(sid, &sids[0]);
 157
 158  done:
 159
 160         return result;
 161 }
 162
 163
 164 /* print an ACE on a FILE, using either numeric or ascii representation */
 165 static void print_ace(FILE *f, SEC_ACE *ace)
 166 {
 167         struct perm_value *v;
 168         fstring sidstr;
 169         int do_print = 0;
 170         uint32 got_mask;
 171
 172         SidToString(sidstr, &ace->trustee);
 173
 174         fprintf(f, "%s:", sidstr);
 175
 176         if (numeric) {
 177                 fprintf(f, "%d/%d/0x%08x",
 178                         ace->type, ace->flags, ace->info.mask);
 179                 return;
 180         }
 181
 182         /* Ace type */
 183
 184         if (ace->type == SEC_ACE_TYPE_ACCESS_ALLOWED) {
 185                 fprintf(f, "ALLOWED");
 186         } else if (ace->type == SEC_ACE_TYPE_ACCESS_DENIED) {
 187                 fprintf(f, "DENIED");
 188         } else {
 189                 fprintf(f, "%d", ace->type);
 190         }
 191
 192         /* Not sure what flags can be set in a file ACL */
 193
 194         fprintf(f, "/%d/", ace->flags);
 195
 196         /* Standard permissions */
 197
 198         for (v = standard_values; v->perm; v++) {
 199                 if (ace->info.mask == v->mask) {
 200                         fprintf(f, "%s", v->perm);
 201                         return;
 202                 }
 203         }
 204
 205         /* Special permissions.  Print out a hex value if we have
 206            leftover bits in the mask. */
 207
 208         got_mask = ace->info.mask;
 209
 210  again:
 211         for (v = special_values; v->perm; v++) {
 212                 if ((ace->info.mask & v->mask) == v->mask) {
 213                         if (do_print) {
 214                                 fprintf(f, "%s", v->perm);
 215                         }
 216                         got_mask &= ~v->mask;
 217                 }
 218         }
 219
 220         if (!do_print) {
 221                 if (got_mask != 0) {
 222                         fprintf(f, "0x%08x", ace->info.mask);
 223                 } else {
 224                         do_print = 1;
 225                         goto again;
 226                 }
 227         }
 228 }
 229
 230
 231 /* parse an ACE in the same format as print_ace() */
 232 static BOOL parse_ace(SEC_ACE *ace, char *str)
 233 {
 234         char *p;
 235         fstring tok;
 236         unsigned atype, aflags, amask;
 237         DOM_SID sid;
 238         SEC_ACCESS mask;
 239         struct perm_value *v;
 240
 241         ZERO_STRUCTP(ace);
 242         p = strchr_m(str,':');
 243         if (!p) return False;
 244         *p = '\0';
 245         p++;
 246
 247         /* Try to parse numeric form */
 248
 249         if (sscanf(p, "%i/%i/%i", &atype, &aflags, &amask) == 3 &&
 250             StringToSid(&sid, str)) {
 251                 goto done;
 252         }
 253
 254         /* Try to parse text form */
 255
 256         if (!StringToSid(&sid, str)) {
 257                 return False;
 258         }
 259
 260         if (!next_token(&p, tok, "/", sizeof(fstring))) {
 261                 return False;
 262         }
 263
 264         if (strncmp(tok, "ALLOWED", strlen("ALLOWED")) == 0) {
 265                 atype = SEC_ACE_TYPE_ACCESS_ALLOWED;
 266         } else if (strncmp(tok, "DENIED", strlen("DENIED")) == 0) {
 267                 atype = SEC_ACE_TYPE_ACCESS_DENIED;
 268         } else {
 269                 return False;
 270         }
 271
 272         /* Only numeric form accepted for flags at present */
 273
 274         if (!(next_token(&p, tok, "/", sizeof(fstring)) &&
 275               sscanf(tok, "%i", &aflags))) {
 276                 return False;
 277         }
 278
 279         if (!next_token(&p, tok, "/", sizeof(fstring))) {
 280                 return False;
 281         }
 282
 283         if (strncmp(tok, "0x", 2) == 0) {
 284                 if (sscanf(tok, "%i", &amask) != 1) {
 285                         return False;
 286                 }
 287                 goto done;
 288         }
 289
 290         for (v = standard_values; v->perm; v++) {
 291                 if (strcmp(tok, v->perm) == 0) {
 292                         amask = v->mask;
 293                         goto done;
 294                 }
 295         }
 296
 297         p = tok;
 298
 299         while(*p) {
 300                 BOOL found = False;
 301
 302                 for (v = special_values; v->perm; v++) {
 303                         if (v->perm[0] == *p) {
 304                                 amask |= v->mask;
 305                                 found = True;
 306                         }
 307                 }
 308
 309                 if (!found) return False;
 310                 p++;
 311         }
 312
 313         if (*p) {
 314                 return False;
 315         }
 316
 317  done:
 318         mask.mask = amask;
 319         init_sec_ace(ace, &sid, atype, mask, aflags);
 320         return True;
 321 }
 322
 323 /* add an ACE to a list of ACEs in a SEC_ACL */
 324 static BOOL add_ace(SEC_ACL **the_acl, SEC_ACE *ace)
 325 {
 326         SEC_ACL *new;
 327         SEC_ACE *aces;
 328         if (! *the_acl) {
 329                 (*the_acl) = make_sec_acl(ctx, 3, 1, ace);
 330                 return True;
 331         }
 332
 333         aces = calloc(1+(*the_acl)->num_aces,sizeof(SEC_ACE));
 334         memcpy(aces, (*the_acl)->ace, (*the_acl)->num_aces * sizeof(SEC_ACE));
 335         memcpy(aces+(*the_acl)->num_aces, ace, sizeof(SEC_ACE));
 336         new = make_sec_acl(ctx,(*the_acl)->revision,1+(*the_acl)->num_aces, aces);
 337         SAFE_FREE(aces);
 338         (*the_acl) = new;
 339         return True;
 340 }
 341
 342 /* parse a ascii version of a security descriptor */
 343 static SEC_DESC *sec_desc_parse(char *str)
 344 {
 345         char *p = str;
 346         fstring tok;
 347         SEC_DESC *ret;
 348         size_t sd_size;
 349         DOM_SID *grp_sid=NULL, *owner_sid=NULL;
 350         SEC_ACL *dacl=NULL;
 351         int revision=1;
 352
 353         while (next_token(&p, tok, "\t,\r\n", sizeof(tok))) {
 354
 355                 if (strncmp(tok,"REVISION:", 9) == 0) {
 356                         revision = strtol(tok+9, NULL, 16);
 357                         continue;
 358                 }
 359
 360                 if (strncmp(tok,"OWNER:", 6) == 0) {
 361                         owner_sid = (DOM_SID *)calloc(1, sizeof(DOM_SID));
 362                         if (!owner_sid ||
 363                             !StringToSid(owner_sid, tok+6)) {
 364                                 printf("Failed to parse owner sid\n");
 365                                 return NULL;
 366                         }
 367                         continue;
 368                 }
 369
 370                 if (strncmp(tok,"GROUP:", 6) == 0) {
 371                         grp_sid = (DOM_SID *)calloc(1, sizeof(DOM_SID));
 372                         if (!grp_sid ||
 373                             !StringToSid(grp_sid, tok+6)) {
 374                                 printf("Failed to parse group sid\n");
 375                                 return NULL;
 376                         }
 377                         continue;
 378                 }
 379
 380                 if (strncmp(tok,"ACL:", 4) == 0) {
 381                         SEC_ACE ace;
 382                         if (!parse_ace(&ace, tok+4)) {
 383                                 printf("Failed to parse ACL %s\n", tok);
 384                                 return NULL;
 385                         }
 386                         if(!add_ace(&dacl, &ace)) {
 387                                 printf("Failed to add ACL %s\n", tok);
 388                                 return NULL;
 389                         }
 390                         continue;
 391                 }
 392
 393                 printf("Failed to parse security descriptor\n");
 394                 return NULL;
 395         }
 396
 397         ret = make_sec_desc(ctx,revision, owner_sid, grp_sid,
 398                             NULL, dacl, &sd_size);
 399
 400         SAFE_FREE(grp_sid);
 401         SAFE_FREE(owner_sid);
 402
 403         return ret;
 404 }
 405
 406
 407 /* print a ascii version of a security descriptor on a FILE handle */
 408 static void sec_desc_print(FILE *f, SEC_DESC *sd)
 409 {
 410         fstring sidstr;
 411         int i;
 412
 413         printf("REVISION:%d\n", sd->revision);
 414
 415         /* Print owner and group sid */
 416
 417         if (sd->owner_sid) {
 418                 SidToString(sidstr, sd->owner_sid);
 419         } else {
 420                 fstrcpy(sidstr, "");
 421         }
 422
 423         printf("OWNER:%s\n", sidstr);
 424
 425         if (sd->grp_sid) {
 426                 SidToString(sidstr, sd->grp_sid);
 427         } else {
 428                 fstrcpy(sidstr, "");
 429         }
 430
 431         fprintf(f, "GROUP:%s\n", sidstr);
 432
 433         /* Print aces */
 434         for (i = 0; sd->dacl && i < sd->dacl->num_aces; i++) {
 435                 SEC_ACE *ace = &sd->dacl->ace[i];
 436                 fprintf(f, "ACL:");
 437                 print_ace(f, ace);
 438                 fprintf(f, "\n");
 439         }
 440
 441 }
 442
 443 /*****************************************************
 444 dump the acls for a file
 445 *******************************************************/
 446 static int cacl_dump(struct cli_state *cli, char *filename)
 447 {
 448         int fnum;
 449         SEC_DESC *sd;
 450
 451         if (test_args) return EXIT_OK;
 452
 453         fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
 454         if (fnum == -1) {
 455                 printf("Failed to open %s: %s\n", filename, cli_errstr(cli));
 456                 return EXIT_FAILED;
 457         }
 458
 459         sd = cli_query_secdesc(cli, fnum, ctx);
 460
 461         if (!sd) {
 462                 printf("ERROR: secdesc query failed: %s\n", cli_errstr(cli));
 463                 return EXIT_FAILED;
 464         }
 465
 466         sec_desc_print(stdout, sd);
 467
 468         cli_close(cli, fnum);
 469
 470         return EXIT_OK;
 471 }
 472
 473 /*****************************************************
 474 Change the ownership or group ownership of a file. Just
 475 because the NT docs say this can't be done :-). JRA.
 476 *******************************************************/
 477
 478 static int owner_set(struct cli_state *cli, enum chown_mode change_mode,
 479                      char *filename, char *new_username)
 480 {
 481         int fnum;
 482         DOM_SID sid;
 483         SEC_DESC *sd, *old;
 484         size_t sd_size;
 485
 486         fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
 487
 488         if (fnum == -1) {
 489                 printf("Failed to open %s: %s\n", filename, cli_errstr(cli));
 490                 return EXIT_FAILED;
 491         }
 492
 493         if (!StringToSid(&sid, new_username))
 494                 return EXIT_PARSE_ERROR;
 495
 496         old = cli_query_secdesc(cli, fnum, ctx);
 497
 498         cli_close(cli, fnum);
 499
 500         if (!old) {
 501                 printf("owner_set: Failed to query old descriptor\n");
 502                 return EXIT_FAILED;
 503         }
 504
 505         sd = make_sec_desc(ctx,old->revision,
 506                                 (change_mode == REQUEST_CHOWN) ? &sid : old->owner_sid,
 507                                 (change_mode == REQUEST_CHGRP) ? &sid : old->grp_sid,
 508                            NULL, old->dacl, &sd_size);
 509
 510         fnum = cli_nt_create(cli, filename, CREATE_ACCESS_WRITE);
 511
 512         if (fnum == -1) {
 513                 printf("Failed to open %s: %s\n", filename, cli_errstr(cli));
 514                 return EXIT_FAILED;
 515         }
 516
 517         if (!cli_set_secdesc(cli, fnum, sd)) {
 518                 printf("ERROR: secdesc set failed: %s\n", cli_errstr(cli));
 519         }
 520
 521         cli_close(cli, fnum);
 522
 523         return EXIT_OK;
 524 }
 525
 526
 527 /* The MSDN is contradictory over the ordering of ACE entries in an ACL.
 528    However NT4 gives a "The information may have been modified by a
 529    computer running Windows NT 5.0" if denied ACEs do not appear before
 530    allowed ACEs. */
 531
 532 static int ace_compare(SEC_ACE *ace1, SEC_ACE *ace2)
 533 {
 534         if (sec_ace_equal(ace1, ace2))
 535                 return 0;
 536
 537         if (ace1->type != ace2->type)
 538                 return ace2->type - ace1->type;
 539
 540         if (sid_compare(&ace1->trustee, &ace2->trustee))
 541                 return sid_compare(&ace1->trustee, &ace2->trustee);
 542
 543         if (ace1->flags != ace2->flags)
 544                 return ace1->flags - ace2->flags;
 545
 546         if (ace1->info.mask != ace2->info.mask)
 547                 return ace1->info.mask - ace2->info.mask;
 548
 549         if (ace1->size != ace2->size)
 550                 return ace1->size - ace2->size;
 551
 552         return memcmp(ace1, ace2, sizeof(SEC_ACE));
 553 }
 554
 555 static void sort_acl(SEC_ACL *the_acl)
 556 {
 557         int i;
 558         if (!the_acl) return;
 559
 560         qsort(the_acl->ace, the_acl->num_aces, sizeof(the_acl->ace[0]), QSORT_CAST ace_compare);
 561
 562         for (i=1;i<the_acl->num_aces;) {
 563                 if (sec_ace_equal(&the_acl->ace[i-1], &the_acl->ace[i])) {
 564                         int j;
 565                         for (j=i; j<the_acl->num_aces-1; j++) {
 566                                 the_acl->ace[j] = the_acl->ace[j+1];
 567                         }
 568                         the_acl->num_aces--;
 569                 } else {
 570                         i++;
 571                 }
 572         }
 573 }
 574
 575 /*****************************************************
 576 set the ACLs on a file given an ascii description
 577 *******************************************************/
 578 static int cacl_set(struct cli_state *cli, char *filename,
 579                     char *the_acl, enum acl_mode mode)
 580 {
 581         int fnum;
 582         SEC_DESC *sd, *old;
 583         int i, j;
 584         size_t sd_size;
 585         int result = EXIT_OK;
 586
 587         sd = sec_desc_parse(the_acl);
 588
 589         if (!sd) return EXIT_PARSE_ERROR;
 590         if (test_args) return EXIT_OK;
 591
 592         /* The desired access below is the only one I could find that works
 593            with NT4, W2KP and Samba */
 594
 595         fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
 596
 597         if (fnum == -1) {
 598                 printf("cacl_set failed to open %s: %s\n", filename, cli_errstr(cli));
 599                 return EXIT_FAILED;
 600         }
 601
 602         old = cli_query_secdesc(cli, fnum, ctx);
 603
 604         if (!old) {
 605                 printf("calc_set: Failed to query old descriptor\n");
 606                 return EXIT_FAILED;
 607         }
 608
 609         cli_close(cli, fnum);
 610
 611         /* the logic here is rather more complex than I would like */
 612         switch (mode) {
 613         case SMB_ACL_DELETE:
 614                 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
 615                         BOOL found = False;
 616
 617                         for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
 618                                 if (sec_ace_equal(&sd->dacl->ace[i],
 619                                                   &old->dacl->ace[j])) {
 620                                         int k;
 621                                         for (k=j; k<old->dacl->num_aces-1;k++) {
 622                                                 old->dacl->ace[k] = old->dacl->ace[k+1];
 623                                         }
 624                                         old->dacl->num_aces--;
 625                                         if (old->dacl->num_aces == 0) {
 626                                                 SAFE_FREE(old->dacl->ace);
 627                                                 SAFE_FREE(old->dacl);
 628                                                 old->off_dacl = 0;
 629                                         }
 630                                         found = True;
 631                                         break;
 632                                 }
 633                         }
 634
 635                         if (!found) {
 636                                 printf("ACL for ACE:");
 637                                 print_ace(stdout, &sd->dacl->ace[i]);
 638                                 printf(" not found\n");
 639                         }
 640                 }
 641                 break;
 642
 643         case SMB_ACL_MODIFY:
 644                 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
 645                         BOOL found = False;
 646
 647                         for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
 648                                 if (sid_equal(&sd->dacl->ace[i].trustee,
 649                                               &old->dacl->ace[j].trustee)) {
 650                                         old->dacl->ace[j] = sd->dacl->ace[i];
 651                                         found = True;
 652                                 }
 653                         }
 654
 655                         if (!found) {
 656                                 fstring str;
 657
 658                                 SidToString(str, &sd->dacl->ace[i].trustee);
 659                                 printf("ACL for SID %s not found\n", str);
 660                         }
 661                 }
 662
 663                 break;
 664
 665         case SMB_ACL_ADD:
 666                 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
 667                         add_ace(&old->dacl, &sd->dacl->ace[i]);
 668                 }
 669                 break;
 670
 671         case SMB_ACL_SET:
 672                 old = sd;
 673                 break;
 674         }
 675
 676         /* Denied ACE entries must come before allowed ones */
 677         sort_acl(old->dacl);
 678
 679         /* Create new security descriptor and set it */
 680         sd = make_sec_desc(ctx,old->revision, old->owner_sid, old->grp_sid,
 681                            NULL, old->dacl, &sd_size);
 682
 683         fnum = cli_nt_create(cli, filename, CREATE_ACCESS_WRITE);
 684
 685         if (fnum == -1) {
 686                 printf("cacl_set failed to open %s: %s\n", filename, cli_errstr(cli));
 687                 return EXIT_FAILED;
 688         }
 689
 690         if (!cli_set_secdesc(cli, fnum, sd)) {
 691                 printf("ERROR: secdesc set failed: %s\n", cli_errstr(cli));
 692                 result = EXIT_FAILED;
 693         }
 694
 695         /* Clean up */
 696
 697         cli_close(cli, fnum);
 698
 699         return result;
 700 }
 701
 702
 703 /*****************************************************
 704 return a connection to a server
 705 *******************************************************/
 706 struct cli_state *connect_one(char *share)
 707 {
 708         struct cli_state *c;
 709         struct nmb_name called, calling;
 710         struct in_addr ip;
 711         extern pstring global_myname;
 712
 713         fstrcpy(server,share+2);
 714         share = strchr_m(server,'\\');
 715         if (!share) return NULL;
 716         *share = 0;
 717         share++;
 718
 719         zero_ip(&ip);
 720
 721         make_nmb_name(&calling, global_myname, 0x0);
 722         make_nmb_name(&called , server, 0x20);
 723
 724  again:
 725         zero_ip(&ip);
 726
 727         /* have to open a new connection */
 728         if (!(c=cli_initialise(NULL)) || !cli_connect(c, server, &ip)) {
 729                 DEBUG(0,("Connection to %s failed\n", server));
 730                 cli_shutdown(c);
 731                 return NULL;
 732         }
 733
 734         if (!cli_session_request(c, &calling, &called)) {
 735                 DEBUG(0,("session request to %s failed\n", called.name));
 736                 cli_shutdown(c);
 737                 if (strcmp(called.name, "*SMBSERVER")) {
 738                         make_nmb_name(&called , "*SMBSERVER", 0x20);
 739                         goto again;
 740                 }
 741                 return NULL;
 742         }
 743
 744         DEBUG(4,(" session request ok\n"));
 745
 746         if (!cli_negprot(c)) {
 747                 DEBUG(0,("protocol negotiation failed\n"));
 748                 cli_shutdown(c);
 749                 return NULL;
 750         }
 751
 752         if (!got_pass) {
 753                 char *pass = getpass("Password: ");
 754                 if (pass) {
 755                         pstrcpy(password, pass);
 756                 }
 757         }
 758
 759         if (!cli_session_setup(c, username,
 760                                password, strlen(password),
 761                                password, strlen(password),
 762                                lp_workgroup())) {
 763                 DEBUG(0,("session setup failed: %s\n", cli_errstr(c)));
 764                 cli_shutdown(c);
 765                 return NULL;
 766         }
 767
 768         DEBUG(4,(" session setup ok\n"));
 769
 770         if (!cli_send_tconX(c, share, "?????",
 771                             password, strlen(password)+1)) {
 772                 DEBUG(0,("tree connect failed: %s\n", cli_errstr(c)));
 773                 cli_shutdown(c);
 774                 return NULL;
 775         }
 776
 777         DEBUG(4,(" tconx ok\n"));
 778
 779         return c;
 780 }
 781
 782
 783 static void usage(void)
 784 {
 785         printf(
 786 "Usage: smbcacls //server1/share1 filename [options]\n\
 787 \n\
 788 \t-D <acls>               delete an acl\n\
 789 \t-M <acls>               modify an acl\n\
 790 \t-A <acls>               add an acl\n\
 791 \t-S <acls>               set acls\n\
 792 \t-C username             change ownership of a file\n\
 793 \t-G username             change group ownership of a file\n\
 794 \t-n                      don't resolve sids or masks to names\n\
 795 \t-h                      print help\n\
 796 \t-d debuglevel           set debug output level\n\
 797 \t-U username             user to autheticate as\n\
 798 \n\
 799 The username can be of the form username%%password or\n\
 800 workgroup\\username%%password.\n\n\
 801 An acl is of the form ACL:<SID>:type/flags/mask\n\
 802 You can string acls together with spaces, commas or newlines\n\
 803 ");
 804 }
 805
 806 /****************************************************************************
 807   main program
 808 ****************************************************************************/
 809  int main(int argc,char *argv[])
 810 {
 811         char *share;
 812         pstring filename;
 813         extern char *optarg;
 814         extern int optind;
 815         int opt;
 816         char *p;
 817         struct cli_state *cli=NULL;
 818         enum acl_mode mode = SMB_ACL_SET;
 819         char *the_acl = NULL;
 820         enum chown_mode change_mode = REQUEST_NONE;
 821         int result;
 822
 823         ctx=talloc_init();
 824
 825         setlinebuf(stdout);
 826
 827         dbf = x_stderr;
 828
 829         if (argc < 3 || argv[1][0] == '-') {
 830                 usage();
 831                 talloc_destroy(ctx);
 832                 exit(EXIT_PARSE_ERROR);
 833         }
 834
 835         setup_logging(argv[0],True);
 836
 837         share = argv[1];
 838         pstrcpy(filename, argv[2]);
 839         all_string_sub(share,"/","\\",0);
 840
 841         argc -= 2;
 842         argv += 2;
 843
 844         lp_load(dyn_CONFIGFILE,True,False,False);
 845         load_interfaces();
 846
 847         if (getenv("USER")) {
 848                 pstrcpy(username,getenv("USER"));
 849
 850                 if ((p=strchr_m(username,'%'))) {
 851                         *p = 0;
 852                         pstrcpy(password,p+1);
 853                         got_pass = True;
 854                         memset(strchr_m(getenv("USER"), '%') + 1, 'X',
 855                                strlen(password));
 856                 }
 857         }
 858
 859         while ((opt = getopt(argc, argv, "U:nhS:D:A:M:C:G:td:")) != EOF) {
 860                 switch (opt) {
 861                 case 'U':
 862                         pstrcpy(username,optarg);
 863                         p = strchr_m(username,'%');
 864                         if (p) {
 865                                 *p = 0;
 866                                 pstrcpy(password, p+1);
 867                                 got_pass = 1;
 868                         }
 869                         break;
 870
 871                 case 'S':
 872                         the_acl = optarg;
 873                         mode = SMB_ACL_SET;
 874                         break;
 875
 876                 case 'D':
 877                         the_acl = optarg;
 878                         mode = SMB_ACL_DELETE;
 879                         break;
 880
 881                 case 'M':
 882                         the_acl = optarg;
 883                         mode = SMB_ACL_MODIFY;
 884                         break;
 885
 886                 case 'A':
 887                         the_acl = optarg;
 888                         mode = SMB_ACL_ADD;
 889                         break;
 890
 891                 case 'C':
 892                         pstrcpy(owner_username,optarg);
 893                         change_mode = REQUEST_CHOWN;
 894                         break;
 895
 896                 case 'G':
 897                         pstrcpy(owner_username,optarg);
 898                         change_mode = REQUEST_CHGRP;
 899                         break;
 900
 901                 case 'n':
 902                         numeric = 1;
 903                         break;
 904
 905                 case 't':
 906                         test_args = 1;
 907                         break;
 908
 909                 case 'h':
 910                         usage();
 911                         talloc_destroy(ctx);
 912                         exit(EXIT_PARSE_ERROR);
 913
 914                 case 'd':
 915                         DEBUGLEVEL = atoi(optarg);
 916                         break;
 917
 918                 default:
 919                         printf("Unknown option %c (%d)\n", (char)opt, opt);
 920                         talloc_destroy(ctx);
 921                         exit(EXIT_PARSE_ERROR);
 922                 }
 923         }
 924
 925         argc -= optind;
 926         argv += optind;
 927
 928         if (argc > 0) {
 929                 usage();
 930                 talloc_destroy(ctx);
 931                 exit(EXIT_PARSE_ERROR);
 932         }
 933
 934         /* Make connection to server */
 935
 936         if (!test_args) {
 937                 cli = connect_one(share);
 938                 if (!cli) {
 939                         talloc_destroy(ctx);
 940                         exit(EXIT_FAILED);
 941                 }
 942         }
 943
 944         all_string_sub(filename, "/", "\\", 0);
 945         if (filename[0] != '\\') {
 946                 pstring s;
 947                 s[0] = '\\';
 948                 safe_strcpy(&s[1], filename, sizeof(pstring)-1);
 949                 pstrcpy(filename, s);
 950         }
 951
 952         /* Perform requested action */
 953
 954         if (change_mode != REQUEST_NONE) {
 955                 result = owner_set(cli, change_mode, filename, owner_username);
 956         } else if (the_acl) {
 957                 result = cacl_set(cli, filename, the_acl, mode);
 958         } else {
 959                 result = cacl_dump(cli, filename);
 960         }
 961
 962         talloc_destroy(ctx);
 963
 964         return result;
 965 }