source3/utils/smbcacls.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    ACL get/set utility
   4
   5    Copyright (C) Andrew Tridgell 2000
   6    Copyright (C) Tim Potter      2000
   7    Copyright (C) Jeremy Allison  2000
   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 static fstring password;
  27 static pstring username;
  28 static pstring owner_username;
  29 static fstring server;
  30 static int got_pass;
  31 static int test_args;
  32 TALLOC_CTX *ctx;
  33
  34 #define CREATE_ACCESS_READ READ_CONTROL_ACCESS
  35 #define CREATE_ACCESS_WRITE (WRITE_DAC_ACCESS | WRITE_OWNER_ACCESS)
  36
  37 /* numeric is set when the user wants numeric SIDs and ACEs rather
  38    than going via LSA calls to resolve them */
  39 static int numeric;
  40
  41 enum acl_mode {SMB_ACL_SET, SMB_ACL_DELETE, SMB_ACL_MODIFY, SMB_ACL_ADD };
  42 enum chown_mode {REQUEST_NONE, REQUEST_CHOWN, REQUEST_CHGRP};
  43 enum exit_values {EXIT_OK, EXIT_FAILED, EXIT_PARSE_ERROR};
  44
  45 struct perm_value {
  46         char *perm;
  47         uint32 mask;
  48 };
  49
  50 /* These values discovered by inspection */
  51
  52 static struct perm_value special_values[] = {
  53         { "R", 0x00120089 },
  54         { "W", 0x00120116 },
  55         { "X", 0x001200a0 },
  56         { "D", 0x00010000 },
  57         { "P", 0x00040000 },
  58         { "O", 0x00080000 },
  59         { NULL, 0 },
  60 };
  61
  62 static struct perm_value standard_values[] = {
  63         { "READ",   0x001200a9 },
  64         { "CHANGE", 0x001301bf },
  65         { "FULL",   0x001f01ff },
  66         { NULL, 0 },
  67 };
  68
  69 struct cli_state lsa_cli;
  70 POLICY_HND pol;
  71 struct ntuser_creds creds;
  72 BOOL got_policy_hnd;
  73
  74 /* Open cli connection and policy handle */
  75
  76 static BOOL cacls_open_policy_hnd(void)
  77 {
  78         creds.pwd.null_pwd = 1;
  79
  80         /* Initialise cli LSA connection */
  81
  82         if (!lsa_cli.initialised &&
  83             !cli_lsa_initialise(&lsa_cli, server, &creds)) {
  84                 return False;
  85         }
  86
  87         /* Open policy handle */
  88
  89         if (!got_policy_hnd) {
  90
  91                 /* Some systems don't support SEC_RIGHTS_MAXIMUM_ALLOWED,
  92                    but NT sends 0x2000000 so we might as well do it too. */
  93
  94                 if (!NT_STATUS_IS_OK(cli_lsa_open_policy(&lsa_cli, lsa_cli.mem_ctx, True,
  95                                                          GENERIC_EXECUTE_ACCESS, &pol))) {
  96                         return False;
  97                 }
  98
  99                 got_policy_hnd = True;
 100         }
 101
 102         return True;
 103 }
 104
 105 /* convert a SID to a string, either numeric or username/group */
 106 static void SidToString(fstring str, DOM_SID *sid)
 107 {
 108         char **domains = NULL;
 109         char **names = NULL;
 110         uint32 *types = NULL;
 111         int num_names;
 112
 113         sid_to_string(str, sid);
 114
 115         if (numeric) return;
 116
 117         /* Ask LSA to convert the sid to a name */
 118
 119         if (!cacls_open_policy_hnd() ||
 120             !NT_STATUS_IS_OK(cli_lsa_lookup_sids(&lsa_cli, lsa_cli.mem_ctx,
 121                                                  &pol, 1, sid, &domains, &names,
 122                                                  &types, &num_names)) ||
 123             !domains || !domains[0] || !names || !names[0]) {
 124                 return;
 125         }
 126
 127         /* Converted OK */
 128
 129         slprintf(str, sizeof(fstring) - 1, "%s%s%s",
 130                  domains[0], lp_winbind_separator(),
 131                  names[0]);
 132
 133 }
 134
 135 /* convert a string to a SID, either numeric or username/group */
 136 static BOOL StringToSid(DOM_SID *sid, const char *str)
 137 {
 138         uint32 *types = NULL;
 139         DOM_SID *sids = NULL;
 140         int num_sids;
 141         BOOL result = True;
 142
 143         if (strncmp(str, "S-", 2) == 0) {
 144                 return string_to_sid(sid, str);
 145         }
 146
 147         if (!cacls_open_policy_hnd() ||
 148             !NT_STATUS_IS_OK(cli_lsa_lookup_names(&lsa_cli, lsa_cli.mem_ctx, &pol, 1,
 149                                                   &str,
 150                                                   &sids, &types, &num_sids))) {
 151                 result = False;
 152                 goto done;
 153         }
 154
 155         sid_copy(sid, &sids[0]);
 156
 157  done:
 158
 159         return result;
 160 }
 161
 162
 163 /* print an ACE on a FILE, using either numeric or ascii representation */
 164 static void print_ace(FILE *f, SEC_ACE *ace)
 165 {
 166         struct perm_value *v;
 167         fstring sidstr;
 168         int do_print = 0;
 169         uint32 got_mask;
 170
 171         SidToString(sidstr, &ace->trustee);
 172
 173         fprintf(f, "%s:", sidstr);
 174
 175         if (numeric) {
 176                 fprintf(f, "%d/%d/0x%08x",
 177                         ace->type, ace->flags, ace->info.mask);
 178                 return;
 179         }
 180
 181         /* Ace type */
 182
 183         if (ace->type == SEC_ACE_TYPE_ACCESS_ALLOWED) {
 184                 fprintf(f, "ALLOWED");
 185         } else if (ace->type == SEC_ACE_TYPE_ACCESS_DENIED) {
 186                 fprintf(f, "DENIED");
 187         } else {
 188                 fprintf(f, "%d", ace->type);
 189         }
 190
 191         /* Not sure what flags can be set in a file ACL */
 192
 193         fprintf(f, "/%d/", ace->flags);
 194
 195         /* Standard permissions */
 196
 197         for (v = standard_values; v->perm; v++) {
 198                 if (ace->info.mask == v->mask) {
 199                         fprintf(f, "%s", v->perm);
 200                         return;
 201                 }
 202         }
 203
 204         /* Special permissions.  Print out a hex value if we have
 205            leftover bits in the mask. */
 206
 207         got_mask = ace->info.mask;
 208
 209  again:
 210         for (v = special_values; v->perm; v++) {
 211                 if ((ace->info.mask & v->mask) == v->mask) {
 212                         if (do_print) {
 213                                 fprintf(f, "%s", v->perm);
 214                         }
 215                         got_mask &= ~v->mask;
 216                 }
 217         }
 218
 219         if (!do_print) {
 220                 if (got_mask != 0) {
 221                         fprintf(f, "0x%08x", ace->info.mask);
 222                 } else {
 223                         do_print = 1;
 224                         goto again;
 225                 }
 226         }
 227 }
 228
 229
 230 /* parse an ACE in the same format as print_ace() */
 231 static BOOL parse_ace(SEC_ACE *ace, char *str)
 232 {
 233         char *p;
 234         fstring tok;
 235         unsigned atype, aflags, amask;
 236         DOM_SID sid;
 237         SEC_ACCESS mask;
 238         struct perm_value *v;
 239
 240         ZERO_STRUCTP(ace);
 241         p = strchr_m(str,':');
 242         if (!p) return False;
 243         *p = '\0';
 244         p++;
 245
 246         /* Try to parse numeric form */
 247
 248         if (sscanf(p, "%i/%i/%i", &atype, &aflags, &amask) == 3 &&
 249             StringToSid(&sid, str)) {
 250                 goto done;
 251         }
 252
 253         /* Try to parse text form */
 254
 255         if (!StringToSid(&sid, str)) {
 256                 return False;
 257         }
 258
 259         if (!next_token(&p, tok, "/", sizeof(fstring))) {
 260                 return False;
 261         }
 262
 263         if (strncmp(tok, "ALLOWED", strlen("ALLOWED")) == 0) {
 264                 atype = SEC_ACE_TYPE_ACCESS_ALLOWED;
 265         } else if (strncmp(tok, "DENIED", strlen("DENIED")) == 0) {
 266                 atype = SEC_ACE_TYPE_ACCESS_DENIED;
 267         } else {
 268                 return False;
 269         }
 270
 271         /* Only numeric form accepted for flags at present */
 272
 273         if (!(next_token(&p, tok, "/", sizeof(fstring)) &&
 274               sscanf(tok, "%i", &aflags))) {
 275                 return False;
 276         }
 277
 278         if (!next_token(&p, tok, "/", sizeof(fstring))) {
 279                 return False;
 280         }
 281
 282         if (strncmp(tok, "0x", 2) == 0) {
 283                 if (sscanf(tok, "%i", &amask) != 1) {
 284                         return False;
 285                 }
 286                 goto done;
 287         }
 288
 289         for (v = standard_values; v->perm; v++) {
 290                 if (strcmp(tok, v->perm) == 0) {
 291                         amask = v->mask;
 292                         goto done;
 293                 }
 294         }
 295
 296         p = tok;
 297
 298         while(*p) {
 299                 BOOL found = False;
 300
 301                 for (v = special_values; v->perm; v++) {
 302                         if (v->perm[0] == *p) {
 303                                 amask |= v->mask;
 304                                 found = True;
 305                         }
 306                 }
 307
 308                 if (!found) return False;
 309                 p++;
 310         }
 311
 312         if (*p) {
 313                 return False;
 314         }
 315
 316  done:
 317         mask.mask = amask;
 318         init_sec_ace(ace, &sid, atype, mask, aflags);
 319         return True;
 320 }
 321
 322 /* add an ACE to a list of ACEs in a SEC_ACL */
 323 static BOOL add_ace(SEC_ACL **the_acl, SEC_ACE *ace)
 324 {
 325         SEC_ACL *new;
 326         SEC_ACE *aces;
 327         if (! *the_acl) {
 328                 (*the_acl) = make_sec_acl(ctx, 3, 1, ace);
 329                 return True;
 330         }
 331
 332         aces = calloc(1+(*the_acl)->num_aces,sizeof(SEC_ACE));
 333         memcpy(aces, (*the_acl)->ace, (*the_acl)->num_aces * sizeof(SEC_ACE));
 334         memcpy(aces+(*the_acl)->num_aces, ace, sizeof(SEC_ACE));
 335         new = make_sec_acl(ctx,(*the_acl)->revision,1+(*the_acl)->num_aces, aces);
 336         SAFE_FREE(aces);
 337         (*the_acl) = new;
 338         return True;
 339 }
 340
 341 /* parse a ascii version of a security descriptor */
 342 static SEC_DESC *sec_desc_parse(char *str)
 343 {
 344         char *p = str;
 345         fstring tok;
 346         SEC_DESC *ret;
 347         size_t sd_size;
 348         DOM_SID *grp_sid=NULL, *owner_sid=NULL;
 349         SEC_ACL *dacl=NULL;
 350         int revision=1;
 351
 352         while (next_token(&p, tok, "\t,\r\n", sizeof(tok))) {
 353
 354                 if (strncmp(tok,"REVISION:", 9) == 0) {
 355                         revision = strtol(tok+9, NULL, 16);
 356                         continue;
 357                 }
 358
 359                 if (strncmp(tok,"OWNER:", 6) == 0) {
 360                         owner_sid = (DOM_SID *)calloc(1, sizeof(DOM_SID));
 361                         if (!owner_sid ||
 362                             !StringToSid(owner_sid, tok+6)) {
 363                                 printf("Failed to parse owner sid\n");
 364                                 return NULL;
 365                         }
 366                         continue;
 367                 }
 368
 369                 if (strncmp(tok,"GROUP:", 6) == 0) {
 370                         grp_sid = (DOM_SID *)calloc(1, sizeof(DOM_SID));
 371                         if (!grp_sid ||
 372                             !StringToSid(grp_sid, tok+6)) {
 373                                 printf("Failed to parse group sid\n");
 374                                 return NULL;
 375                         }
 376                         continue;
 377                 }
 378
 379                 if (strncmp(tok,"ACL:", 4) == 0) {
 380                         SEC_ACE ace;
 381                         if (!parse_ace(&ace, tok+4)) {
 382                                 printf("Failed to parse ACL %s\n", tok);
 383                                 return NULL;
 384                         }
 385                         if(!add_ace(&dacl, &ace)) {
 386                                 printf("Failed to add ACL %s\n", tok);
 387                                 return NULL;
 388                         }
 389                         continue;
 390                 }
 391
 392                 printf("Failed to parse security descriptor\n");
 393                 return NULL;
 394         }
 395
 396         ret = make_sec_desc(ctx,revision, owner_sid, grp_sid,
 397                             NULL, dacl, &sd_size);
 398
 399         SAFE_FREE(grp_sid);
 400         SAFE_FREE(owner_sid);
 401
 402         return ret;
 403 }
 404
 405
 406 /* print a ascii version of a security descriptor on a FILE handle */
 407 static void sec_desc_print(FILE *f, SEC_DESC *sd)
 408 {
 409         fstring sidstr;
 410         uint32 i;
 411
 412         printf("REVISION:%d\n", sd->revision);
 413
 414         /* Print owner and group sid */
 415
 416         if (sd->owner_sid) {
 417                 SidToString(sidstr, sd->owner_sid);
 418         } else {
 419                 fstrcpy(sidstr, "");
 420         }
 421
 422         printf("OWNER:%s\n", sidstr);
 423
 424         if (sd->grp_sid) {
 425                 SidToString(sidstr, sd->grp_sid);
 426         } else {
 427                 fstrcpy(sidstr, "");
 428         }
 429
 430         fprintf(f, "GROUP:%s\n", sidstr);
 431
 432         /* Print aces */
 433         for (i = 0; sd->dacl && i < sd->dacl->num_aces; i++) {
 434                 SEC_ACE *ace = &sd->dacl->ace[i];
 435                 fprintf(f, "ACL:");
 436                 print_ace(f, ace);
 437                 fprintf(f, "\n");
 438         }
 439
 440 }
 441
 442 /*****************************************************
 443 dump the acls for a file
 444 *******************************************************/
 445 static int cacl_dump(struct cli_state *cli, char *filename)
 446 {
 447         int fnum;
 448         SEC_DESC *sd;
 449
 450         if (test_args) return EXIT_OK;
 451
 452         fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
 453         if (fnum == -1) {
 454                 printf("Failed to open %s: %s\n", filename, cli_errstr(cli));
 455                 return EXIT_FAILED;
 456         }
 457
 458         sd = cli_query_secdesc(cli, fnum, ctx);
 459
 460         if (!sd) {
 461                 printf("ERROR: secdesc query failed: %s\n", cli_errstr(cli));
 462                 return EXIT_FAILED;
 463         }
 464
 465         sec_desc_print(stdout, sd);
 466
 467         cli_close(cli, fnum);
 468
 469         return EXIT_OK;
 470 }
 471
 472 /*****************************************************
 473 Change the ownership or group ownership of a file. Just
 474 because the NT docs say this can't be done :-). JRA.
 475 *******************************************************/
 476
 477 static int owner_set(struct cli_state *cli, enum chown_mode change_mode,
 478                      char *filename, char *new_username)
 479 {
 480         int fnum;
 481         DOM_SID sid;
 482         SEC_DESC *sd, *old;
 483         size_t sd_size;
 484
 485         fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
 486
 487         if (fnum == -1) {
 488                 printf("Failed to open %s: %s\n", filename, cli_errstr(cli));
 489                 return EXIT_FAILED;
 490         }
 491
 492         if (!StringToSid(&sid, new_username))
 493                 return EXIT_PARSE_ERROR;
 494
 495         old = cli_query_secdesc(cli, fnum, ctx);
 496
 497         cli_close(cli, fnum);
 498
 499         if (!old) {
 500                 printf("owner_set: Failed to query old descriptor\n");
 501                 return EXIT_FAILED;
 502         }
 503
 504         sd = make_sec_desc(ctx,old->revision,
 505                                 (change_mode == REQUEST_CHOWN) ? &sid : old->owner_sid,
 506                                 (change_mode == REQUEST_CHGRP) ? &sid : old->grp_sid,
 507                            NULL, old->dacl, &sd_size);
 508
 509         fnum = cli_nt_create(cli, filename, CREATE_ACCESS_WRITE);
 510
 511         if (fnum == -1) {
 512                 printf("Failed to open %s: %s\n", filename, cli_errstr(cli));
 513                 return EXIT_FAILED;
 514         }
 515
 516         if (!cli_set_secdesc(cli, fnum, sd)) {
 517                 printf("ERROR: secdesc set failed: %s\n", cli_errstr(cli));
 518         }
 519
 520         cli_close(cli, fnum);
 521
 522         return EXIT_OK;
 523 }
 524
 525
 526 /* The MSDN is contradictory over the ordering of ACE entries in an ACL.
 527    However NT4 gives a "The information may have been modified by a
 528    computer running Windows NT 5.0" if denied ACEs do not appear before
 529    allowed ACEs. */
 530
 531 static int ace_compare(SEC_ACE *ace1, SEC_ACE *ace2)
 532 {
 533         if (sec_ace_equal(ace1, ace2))
 534                 return 0;
 535
 536         if (ace1->type != ace2->type)
 537                 return ace2->type - ace1->type;
 538
 539         if (sid_compare(&ace1->trustee, &ace2->trustee))
 540                 return sid_compare(&ace1->trustee, &ace2->trustee);
 541
 542         if (ace1->flags != ace2->flags)
 543                 return ace1->flags - ace2->flags;
 544
 545         if (ace1->info.mask != ace2->info.mask)
 546                 return ace1->info.mask - ace2->info.mask;
 547
 548         if (ace1->size != ace2->size)
 549                 return ace1->size - ace2->size;
 550
 551         return memcmp(ace1, ace2, sizeof(SEC_ACE));
 552 }
 553
 554 static void sort_acl(SEC_ACL *the_acl)
 555 {
 556         uint32 i;
 557         if (!the_acl) return;
 558
 559         qsort(the_acl->ace, the_acl->num_aces, sizeof(the_acl->ace[0]), QSORT_CAST ace_compare);
 560
 561         for (i=1;i<the_acl->num_aces;) {
 562                 if (sec_ace_equal(&the_acl->ace[i-1], &the_acl->ace[i])) {
 563                         int j;
 564                         for (j=i; j<the_acl->num_aces-1; j++) {
 565                                 the_acl->ace[j] = the_acl->ace[j+1];
 566                         }
 567                         the_acl->num_aces--;
 568                 } else {
 569                         i++;
 570                 }
 571         }
 572 }
 573
 574 /*****************************************************
 575 set the ACLs on a file given an ascii description
 576 *******************************************************/
 577 static int cacl_set(struct cli_state *cli, char *filename,
 578                     char *the_acl, enum acl_mode mode)
 579 {
 580         int fnum;
 581         SEC_DESC *sd, *old;
 582         uint32 i, j;
 583         size_t sd_size;
 584         int result = EXIT_OK;
 585
 586         sd = sec_desc_parse(the_acl);
 587
 588         if (!sd) return EXIT_PARSE_ERROR;
 589         if (test_args) return EXIT_OK;
 590
 591         /* The desired access below is the only one I could find that works
 592            with NT4, W2KP and Samba */
 593
 594         fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
 595
 596         if (fnum == -1) {
 597                 printf("cacl_set failed to open %s: %s\n", filename, cli_errstr(cli));
 598                 return EXIT_FAILED;
 599         }
 600
 601         old = cli_query_secdesc(cli, fnum, ctx);
 602
 603         if (!old) {
 604                 printf("calc_set: Failed to query old descriptor\n");
 605                 return EXIT_FAILED;
 606         }
 607
 608         cli_close(cli, fnum);
 609
 610         /* the logic here is rather more complex than I would like */
 611         switch (mode) {
 612         case SMB_ACL_DELETE:
 613                 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
 614                         BOOL found = False;
 615
 616                         for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
 617                                 if (sec_ace_equal(&sd->dacl->ace[i],
 618                                                   &old->dacl->ace[j])) {
 619                                         uint32 k;
 620                                         for (k=j; k<old->dacl->num_aces-1;k++) {
 621                                                 old->dacl->ace[k] = old->dacl->ace[k+1];
 622                                         }
 623                                         old->dacl->num_aces--;
 624                                         if (old->dacl->num_aces == 0) {
 625                                                 SAFE_FREE(old->dacl->ace);
 626                                                 SAFE_FREE(old->dacl);
 627                                                 old->off_dacl = 0;
 628                                         }
 629                                         found = True;
 630                                         break;
 631                                 }
 632                         }
 633
 634                         if (!found) {
 635                                 printf("ACL for ACE:");
 636                                 print_ace(stdout, &sd->dacl->ace[i]);
 637                                 printf(" not found\n");
 638                         }
 639                 }
 640                 break;
 641
 642         case SMB_ACL_MODIFY:
 643                 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
 644                         BOOL found = False;
 645
 646                         for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
 647                                 if (sid_equal(&sd->dacl->ace[i].trustee,
 648                                               &old->dacl->ace[j].trustee)) {
 649                                         old->dacl->ace[j] = sd->dacl->ace[i];
 650                                         found = True;
 651                                 }
 652                         }
 653
 654                         if (!found) {
 655                                 fstring str;
 656
 657                                 SidToString(str, &sd->dacl->ace[i].trustee);
 658                                 printf("ACL for SID %s not found\n", str);
 659                         }
 660                 }
 661
 662                 break;
 663
 664         case SMB_ACL_ADD:
 665                 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
 666                         add_ace(&old->dacl, &sd->dacl->ace[i]);
 667                 }
 668                 break;
 669
 670         case SMB_ACL_SET:
 671                 old = sd;
 672                 break;
 673         }
 674
 675         /* Denied ACE entries must come before allowed ones */
 676         sort_acl(old->dacl);
 677
 678         /* Create new security descriptor and set it */
 679         sd = make_sec_desc(ctx,old->revision, old->owner_sid, old->grp_sid,
 680                            NULL, old->dacl, &sd_size);
 681
 682         fnum = cli_nt_create(cli, filename, CREATE_ACCESS_WRITE);
 683
 684         if (fnum == -1) {
 685                 printf("cacl_set failed to open %s: %s\n", filename, cli_errstr(cli));
 686                 return EXIT_FAILED;
 687         }
 688
 689         if (!cli_set_secdesc(cli, fnum, sd)) {
 690                 printf("ERROR: secdesc set failed: %s\n", cli_errstr(cli));
 691                 result = EXIT_FAILED;
 692         }
 693
 694         /* Clean up */
 695
 696         cli_close(cli, fnum);
 697
 698         return result;
 699 }
 700
 701
 702 /*****************************************************
 703 return a connection to a server
 704 *******************************************************/
 705 struct cli_state *connect_one(char *share)
 706 {
 707         struct cli_state *c;
 708         struct nmb_name called, calling;
 709         struct in_addr ip;
 710         extern pstring global_myname;
 711
 712         fstrcpy(server,share+2);
 713         share = strchr_m(server,'\\');
 714         if (!share) return NULL;
 715         *share = 0;
 716         share++;
 717
 718         zero_ip(&ip);
 719
 720         make_nmb_name(&calling, global_myname, 0x0);
 721         make_nmb_name(&called , server, 0x20);
 722
 723  again:
 724         zero_ip(&ip);
 725
 726         /* have to open a new connection */
 727         if (!(c=cli_initialise(NULL)) || !cli_connect(c, server, &ip)) {
 728                 DEBUG(0,("Connection to %s failed\n", server));
 729                 cli_shutdown(c);
 730                 return NULL;
 731         }
 732
 733         if (!cli_session_request(c, &calling, &called)) {
 734                 DEBUG(0,("session request to %s failed\n", called.name));
 735                 cli_shutdown(c);
 736                 if (strcmp(called.name, "*SMBSERVER")) {
 737                         make_nmb_name(&called , "*SMBSERVER", 0x20);
 738                         goto again;
 739                 }
 740                 return NULL;
 741         }
 742
 743         DEBUG(4,(" session request ok\n"));
 744
 745         if (!cli_negprot(c)) {
 746                 DEBUG(0,("protocol negotiation failed\n"));
 747                 cli_shutdown(c);
 748                 return NULL;
 749         }
 750
 751         if (!got_pass) {
 752                 char *pass = getpass("Password: ");
 753                 if (pass) {
 754                         pstrcpy(password, pass);
 755                 }
 756         }
 757
 758         if (!cli_session_setup(c, username,
 759                                password, strlen(password),
 760                                password, strlen(password),
 761                                lp_workgroup())) {
 762                 DEBUG(0,("session setup failed: %s\n", cli_errstr(c)));
 763                 cli_shutdown(c);
 764                 return NULL;
 765         }
 766
 767         DEBUG(4,(" session setup ok\n"));
 768
 769         if (!cli_send_tconX(c, share, "?????",
 770                             password, strlen(password)+1)) {
 771                 DEBUG(0,("tree connect failed: %s\n", cli_errstr(c)));
 772                 cli_shutdown(c);
 773                 return NULL;
 774         }
 775
 776         DEBUG(4,(" tconx ok\n"));
 777
 778         return c;
 779 }
 780
 781
 782 static void usage(void)
 783 {
 784         printf(
 785 "Usage: smbcacls //server1/share1 filename [options]\n\
 786 \n\
 787 \t-D <acls>               delete an acl\n\
 788 \t-M <acls>               modify an acl\n\
 789 \t-A <acls>               add an acl\n\
 790 \t-S <acls>               set acls\n\
 791 \t-C username             change ownership of a file\n\
 792 \t-G username             change group ownership of a file\n\
 793 \t-n                      don't resolve sids or masks to names\n\
 794 \t-h                      print help\n\
 795 \t-d debuglevel           set debug output level\n\
 796 \t-U username             user to autheticate as\n\
 797 \n\
 798 The username can be of the form username%%password or\n\
 799 workgroup\\username%%password.\n\n\
 800 An acl is of the form ACL:<SID>:type/flags/mask\n\
 801 You can string acls together with spaces, commas or newlines\n\
 802 ");
 803 }
 804
 805 /****************************************************************************
 806   main program
 807 ****************************************************************************/
 808  int main(int argc,char *argv[])
 809 {
 810         char *share;
 811         pstring filename;
 812         extern char *optarg;
 813         extern int optind;
 814         int opt;
 815         char *p;
 816         struct cli_state *cli=NULL;
 817         enum acl_mode mode = SMB_ACL_SET;
 818         char *the_acl = NULL;
 819         enum chown_mode change_mode = REQUEST_NONE;
 820         int result;
 821
 822         ctx=talloc_init();
 823
 824         setlinebuf(stdout);
 825
 826         dbf = x_stderr;
 827
 828         if (argc < 3 || argv[1][0] == '-') {
 829                 usage();
 830                 talloc_destroy(ctx);
 831                 exit(EXIT_PARSE_ERROR);
 832         }
 833
 834         setup_logging(argv[0],True);
 835
 836         share = argv[1];
 837         pstrcpy(filename, argv[2]);
 838         all_string_sub(share,"/","\\",0);
 839
 840         argc -= 2;
 841         argv += 2;
 842
 843         lp_load(dyn_CONFIGFILE,True,False,False);
 844         load_interfaces();
 845
 846         if (getenv("USER")) {
 847                 pstrcpy(username,getenv("USER"));
 848
 849                 if ((p=strchr_m(username,'%'))) {
 850                         *p = 0;
 851                         pstrcpy(password,p+1);
 852                         got_pass = True;
 853                         memset(strchr_m(getenv("USER"), '%') + 1, 'X',
 854                                strlen(password));
 855                 }
 856         }
 857
 858         while ((opt = getopt(argc, argv, "U:nhS:D:A:M:C:G:td:")) != EOF) {
 859                 switch (opt) {
 860                 case 'U':
 861                         pstrcpy(username,optarg);
 862                         p = strchr_m(username,'%');
 863                         if (p) {
 864                                 *p = 0;
 865                                 pstrcpy(password, p+1);
 866                                 got_pass = 1;
 867                         }
 868                         break;
 869
 870                 case 'S':
 871                         the_acl = optarg;
 872                         mode = SMB_ACL_SET;
 873                         break;
 874
 875                 case 'D':
 876                         the_acl = optarg;
 877                         mode = SMB_ACL_DELETE;
 878                         break;
 879
 880                 case 'M':
 881                         the_acl = optarg;
 882                         mode = SMB_ACL_MODIFY;
 883                         break;
 884
 885                 case 'A':
 886                         the_acl = optarg;
 887                         mode = SMB_ACL_ADD;
 888                         break;
 889
 890                 case 'C':
 891                         pstrcpy(owner_username,optarg);
 892                         change_mode = REQUEST_CHOWN;
 893                         break;
 894
 895                 case 'G':
 896                         pstrcpy(owner_username,optarg);
 897                         change_mode = REQUEST_CHGRP;
 898                         break;
 899
 900                 case 'n':
 901                         numeric = 1;
 902                         break;
 903
 904                 case 't':
 905                         test_args = 1;
 906                         break;
 907
 908                 case 'h':
 909                         usage();
 910                         talloc_destroy(ctx);
 911                         exit(EXIT_PARSE_ERROR);
 912
 913                 case 'd':
 914                         DEBUGLEVEL = atoi(optarg);
 915                         break;
 916
 917                 default:
 918                         printf("Unknown option %c (%d)\n", (char)opt, opt);
 919                         talloc_destroy(ctx);
 920                         exit(EXIT_PARSE_ERROR);
 921                 }
 922         }
 923
 924         argc -= optind;
 925         argv += optind;
 926
 927         if (argc > 0) {
 928                 usage();
 929                 talloc_destroy(ctx);
 930                 exit(EXIT_PARSE_ERROR);
 931         }
 932
 933         /* Make connection to server */
 934
 935         if (!test_args) {
 936                 cli = connect_one(share);
 937                 if (!cli) {
 938                         talloc_destroy(ctx);
 939                         exit(EXIT_FAILED);
 940                 }
 941         }
 942
 943         all_string_sub(filename, "/", "\\", 0);
 944         if (filename[0] != '\\') {
 945                 pstring s;
 946                 s[0] = '\\';
 947                 safe_strcpy(&s[1], filename, sizeof(pstring)-1);
 948                 pstrcpy(filename, s);
 949         }
 950
 951         /* Perform requested action */
 952
 953         if (change_mode != REQUEST_NONE) {
 954                 result = owner_set(cli, change_mode, filename, owner_username);
 955         } else if (the_acl) {
 956                 result = cacl_set(cli, filename, the_acl, mode);
 957         } else {
 958                 result = cacl_dump(cli, filename);
 959         }
 960
 961         talloc_destroy(ctx);
 962
 963         return result;
 964 }