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    Copyright (C) Jelmer Vernooij 2003
   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 3 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, see <http://www.gnu.org/licenses/>.
  22 */
  23
  24 #include "includes.h"
  25
  26 static int test_args = False;
  27
  28 #define CREATE_ACCESS_READ READ_CONTROL_ACCESS
  29
  30 /* numeric is set when the user wants numeric SIDs and ACEs rather
  31    than going via LSA calls to resolve them */
  32 static int numeric = False;
  33
  34 enum acl_mode {SMB_ACL_SET, SMB_ACL_DELETE, SMB_ACL_MODIFY, SMB_ACL_ADD };
  35 enum chown_mode {REQUEST_NONE, REQUEST_CHOWN, REQUEST_CHGRP};
  36 enum exit_values {EXIT_OK, EXIT_FAILED, EXIT_PARSE_ERROR};
  37
  38 struct perm_value {
  39         const char *perm;
  40         uint32 mask;
  41 };
  42
  43 /* These values discovered by inspection */
  44
  45 static const struct perm_value special_values[] = {
  46         { "R", 0x00120089 },
  47         { "W", 0x00120116 },
  48         { "X", 0x001200a0 },
  49         { "D", 0x00010000 },
  50         { "P", 0x00040000 },
  51         { "O", 0x00080000 },
  52         { NULL, 0 },
  53 };
  54
  55 static const struct perm_value standard_values[] = {
  56         { "READ",   0x001200a9 },
  57         { "CHANGE", 0x001301bf },
  58         { "FULL",   0x001f01ff },
  59         { NULL, 0 },
  60 };
  61
  62 /* Open cli connection and policy handle */
  63
  64 static NTSTATUS cli_lsa_lookup_sid(struct cli_state *cli,
  65                                    const DOM_SID *sid,
  66                                    TALLOC_CTX *mem_ctx,
  67                                    enum lsa_SidType *type,
  68                                    char **domain, char **name)
  69 {
  70         uint16 orig_cnum = cli->cnum;
  71         struct rpc_pipe_client *p;
  72         struct policy_handle handle;
  73         NTSTATUS status;
  74         TALLOC_CTX *frame = talloc_stackframe();
  75         enum lsa_SidType *types;
  76         char **domains;
  77         char **names;
  78
  79         if (!cli_send_tconX(cli, "IPC$", "?????", "", 0)) {
  80                 return cli_nt_error(cli);
  81         }
  82
  83         p = cli_rpc_pipe_open_noauth(cli, PI_LSARPC, &status);
  84         if (p == NULL) {
  85                 goto fail;
  86         }
  87
  88         status = rpccli_lsa_open_policy(p, talloc_tos(), True,
  89                                         GENERIC_EXECUTE_ACCESS, &handle);
  90         if (!NT_STATUS_IS_OK(status)) {
  91                 goto fail;
  92         }
  93
  94         status = rpccli_lsa_lookup_sids(p, talloc_tos(), &handle, 1, sid,
  95                                         &domains, &names, &types);
  96         if (!NT_STATUS_IS_OK(status)) {
  97                 goto fail;
  98         }
  99
 100         *type = types[0];
 101         *domain = talloc_move(mem_ctx, &domains[0]);
 102         *name = talloc_move(mem_ctx, &names[0]);
 103
 104         status = NT_STATUS_OK;
 105  fail:
 106         if (p != NULL) {
 107                 cli_rpc_pipe_close(p);
 108         }
 109         cli_tdis(cli);
 110         cli->cnum = orig_cnum;
 111         TALLOC_FREE(frame);
 112         return status;
 113 }
 114
 115 static NTSTATUS cli_lsa_lookup_name(struct cli_state *cli,
 116                                     const char *name,
 117                                     enum lsa_SidType *type,
 118                                     DOM_SID *sid)
 119 {
 120         uint16 orig_cnum = cli->cnum;
 121         struct rpc_pipe_client *p;
 122         struct policy_handle handle;
 123         NTSTATUS status;
 124         TALLOC_CTX *frame = talloc_stackframe();
 125         DOM_SID *sids;
 126         enum lsa_SidType *types;
 127
 128         if (!cli_send_tconX(cli, "IPC$", "?????", "", 0)) {
 129                 return cli_nt_error(cli);
 130         }
 131
 132         p = cli_rpc_pipe_open_noauth(cli, PI_LSARPC, &status);
 133         if (p == NULL) {
 134                 goto fail;
 135         }
 136
 137         status = rpccli_lsa_open_policy(p, talloc_tos(), True,
 138                                         GENERIC_EXECUTE_ACCESS, &handle);
 139         if (!NT_STATUS_IS_OK(status)) {
 140                 goto fail;
 141         }
 142
 143         status = rpccli_lsa_lookup_names(p, talloc_tos(), &handle, 1, &name,
 144                                          NULL, 1, &sids, &types);
 145         if (!NT_STATUS_IS_OK(status)) {
 146                 goto fail;
 147         }
 148
 149         *type = types[0];
 150         *sid = sids[0];
 151
 152         status = NT_STATUS_OK;
 153  fail:
 154         if (p != NULL) {
 155                 cli_rpc_pipe_close(p);
 156         }
 157         cli_tdis(cli);
 158         cli->cnum = orig_cnum;
 159         TALLOC_FREE(frame);
 160         return status;
 161 }
 162
 163 /* convert a SID to a string, either numeric or username/group */
 164 static void SidToString(struct cli_state *cli, fstring str, const DOM_SID *sid)
 165 {
 166         char *domain = NULL;
 167         char *name = NULL;
 168         enum lsa_SidType type;
 169         NTSTATUS status;
 170
 171         sid_to_string(str, sid);
 172
 173         if (numeric) {
 174                 return;
 175         }
 176
 177         status = cli_lsa_lookup_sid(cli, sid, talloc_tos(), &type,
 178                                     &domain, &name);
 179
 180         if (!NT_STATUS_IS_OK(status)) {
 181                 return;
 182         }
 183
 184         slprintf(str, sizeof(fstring) - 1, "%s%s%s",
 185                  domain, lp_winbind_separator(), name);
 186
 187 }
 188
 189 /* convert a string to a SID, either numeric or username/group */
 190 static bool StringToSid(struct cli_state *cli, DOM_SID *sid, const char *str)
 191 {
 192         enum lsa_SidType type;
 193
 194         if (strncmp(str, "S-", 2) == 0) {
 195                 return string_to_sid(sid, str);
 196         }
 197
 198         return NT_STATUS_IS_OK(cli_lsa_lookup_name(cli, str, &type, sid));
 199 }
 200
 201
 202 /* print an ACE on a FILE, using either numeric or ascii representation */
 203 static void print_ace(struct cli_state *cli, FILE *f, SEC_ACE *ace)
 204 {
 205         const struct perm_value *v;
 206         fstring sidstr;
 207         int do_print = 0;
 208         uint32 got_mask;
 209
 210         SidToString(cli, sidstr, &ace->trustee);
 211
 212         fprintf(f, "%s:", sidstr);
 213
 214         if (numeric) {
 215                 fprintf(f, "%d/%d/0x%08x",
 216                         ace->type, ace->flags, ace->access_mask);
 217                 return;
 218         }
 219
 220         /* Ace type */
 221
 222         if (ace->type == SEC_ACE_TYPE_ACCESS_ALLOWED) {
 223                 fprintf(f, "ALLOWED");
 224         } else if (ace->type == SEC_ACE_TYPE_ACCESS_DENIED) {
 225                 fprintf(f, "DENIED");
 226         } else {
 227                 fprintf(f, "%d", ace->type);
 228         }
 229
 230         /* Not sure what flags can be set in a file ACL */
 231
 232         fprintf(f, "/%d/", ace->flags);
 233
 234         /* Standard permissions */
 235
 236         for (v = standard_values; v->perm; v++) {
 237                 if (ace->access_mask == v->mask) {
 238                         fprintf(f, "%s", v->perm);
 239                         return;
 240                 }
 241         }
 242
 243         /* Special permissions.  Print out a hex value if we have
 244            leftover bits in the mask. */
 245
 246         got_mask = ace->access_mask;
 247
 248  again:
 249         for (v = special_values; v->perm; v++) {
 250                 if ((ace->access_mask & v->mask) == v->mask) {
 251                         if (do_print) {
 252                                 fprintf(f, "%s", v->perm);
 253                         }
 254                         got_mask &= ~v->mask;
 255                 }
 256         }
 257
 258         if (!do_print) {
 259                 if (got_mask != 0) {
 260                         fprintf(f, "0x%08x", ace->access_mask);
 261                 } else {
 262                         do_print = 1;
 263                         goto again;
 264                 }
 265         }
 266 }
 267
 268
 269 /* parse an ACE in the same format as print_ace() */
 270 static bool parse_ace(struct cli_state *cli, SEC_ACE *ace,
 271                       const char *orig_str)
 272 {
 273         char *p;
 274         const char *cp;
 275         fstring tok;
 276         unsigned int atype = 0;
 277         unsigned int aflags = 0;
 278         unsigned int amask = 0;
 279         DOM_SID sid;
 280         SEC_ACCESS mask;
 281         const struct perm_value *v;
 282         char *str = SMB_STRDUP(orig_str);
 283
 284         if (!str) {
 285                 return False;
 286         }
 287
 288         ZERO_STRUCTP(ace);
 289         p = strchr_m(str,':');
 290         if (!p) {
 291                 printf("ACE '%s': missing ':'.\n", orig_str);
 292                 SAFE_FREE(str);
 293                 return False;
 294         }
 295         *p = '\0';
 296         p++;
 297         /* Try to parse numeric form */
 298
 299         if (sscanf(p, "%i/%i/%i", &atype, &aflags, &amask) == 3 &&
 300             StringToSid(cli, &sid, str)) {
 301                 goto done;
 302         }
 303
 304         /* Try to parse text form */
 305
 306         if (!StringToSid(cli, &sid, str)) {
 307                 printf("ACE '%s': failed to convert '%s' to SID\n",
 308                         orig_str, str);
 309                 SAFE_FREE(str);
 310                 return False;
 311         }
 312
 313         cp = p;
 314         if (!next_token(&cp, tok, "/", sizeof(fstring))) {
 315                 printf("ACE '%s': failed to find '/' character.\n",
 316                         orig_str);
 317                 SAFE_FREE(str);
 318                 return False;
 319         }
 320
 321         if (strncmp(tok, "ALLOWED", strlen("ALLOWED")) == 0) {
 322                 atype = SEC_ACE_TYPE_ACCESS_ALLOWED;
 323         } else if (strncmp(tok, "DENIED", strlen("DENIED")) == 0) {
 324                 atype = SEC_ACE_TYPE_ACCESS_DENIED;
 325         } else {
 326                 printf("ACE '%s': missing 'ALLOWED' or 'DENIED' entry at '%s'\n",
 327                         orig_str, tok);
 328                 SAFE_FREE(str);
 329                 return False;
 330         }
 331
 332         /* Only numeric form accepted for flags at present */
 333
 334         if (!(next_token(&cp, tok, "/", sizeof(fstring)) &&
 335               sscanf(tok, "%i", &aflags))) {
 336                 printf("ACE '%s': bad integer flags entry at '%s'\n",
 337                         orig_str, tok);
 338                 SAFE_FREE(str);
 339                 return False;
 340         }
 341
 342         if (!next_token(&cp, tok, "/", sizeof(fstring))) {
 343                 printf("ACE '%s': missing / at '%s'\n",
 344                         orig_str, tok);
 345                 SAFE_FREE(str);
 346                 return False;
 347         }
 348
 349         if (strncmp(tok, "0x", 2) == 0) {
 350                 if (sscanf(tok, "%i", &amask) != 1) {
 351                         printf("ACE '%s': bad hex number at '%s'\n",
 352                                 orig_str, tok);
 353                         SAFE_FREE(str);
 354                         return False;
 355                 }
 356                 goto done;
 357         }
 358
 359         for (v = standard_values; v->perm; v++) {
 360                 if (strcmp(tok, v->perm) == 0) {
 361                         amask = v->mask;
 362                         goto done;
 363                 }
 364         }
 365
 366         p = tok;
 367
 368         while(*p) {
 369                 bool found = False;
 370
 371                 for (v = special_values; v->perm; v++) {
 372                         if (v->perm[0] == *p) {
 373                                 amask |= v->mask;
 374                                 found = True;
 375                         }
 376                 }
 377
 378                 if (!found) {
 379                         printf("ACE '%s': bad permission value at '%s'\n",
 380                                 orig_str, p);
 381                         SAFE_FREE(str);
 382                         return False;
 383                 }
 384                 p++;
 385         }
 386
 387         if (*p) {
 388                 SAFE_FREE(str);
 389                 return False;
 390         }
 391
 392  done:
 393         mask = amask;
 394         init_sec_ace(ace, &sid, atype, mask, aflags);
 395         SAFE_FREE(str);
 396         return True;
 397 }
 398
 399 /* add an ACE to a list of ACEs in a SEC_ACL */
 400 static bool add_ace(SEC_ACL **the_acl, SEC_ACE *ace)
 401 {
 402         SEC_ACL *new_ace;
 403         SEC_ACE *aces;
 404         if (! *the_acl) {
 405                 return (((*the_acl) = make_sec_acl(talloc_tos(), 3, 1, ace))
 406                         != NULL);
 407         }
 408
 409         if (!(aces = SMB_CALLOC_ARRAY(SEC_ACE, 1+(*the_acl)->num_aces))) {
 410                 return False;
 411         }
 412         memcpy(aces, (*the_acl)->aces, (*the_acl)->num_aces * sizeof(SEC_ACE));
 413         memcpy(aces+(*the_acl)->num_aces, ace, sizeof(SEC_ACE));
 414         new_ace = make_sec_acl(talloc_tos(),(*the_acl)->revision,1+(*the_acl)->num_aces, aces);
 415         SAFE_FREE(aces);
 416         (*the_acl) = new_ace;
 417         return True;
 418 }
 419
 420 /* parse a ascii version of a security descriptor */
 421 static SEC_DESC *sec_desc_parse(struct cli_state *cli, char *str)
 422 {
 423         const char *p = str;
 424         fstring tok;
 425         SEC_DESC *ret = NULL;
 426         size_t sd_size;
 427         DOM_SID *grp_sid=NULL, *owner_sid=NULL;
 428         SEC_ACL *dacl=NULL;
 429         int revision=1;
 430
 431         while (next_token(&p, tok, "\t,\r\n", sizeof(tok))) {
 432
 433                 if (strncmp(tok,"REVISION:", 9) == 0) {
 434                         revision = strtol(tok+9, NULL, 16);
 435                         continue;
 436                 }
 437
 438                 if (strncmp(tok,"OWNER:", 6) == 0) {
 439                         if (owner_sid) {
 440                                 printf("Only specify owner once\n");
 441                                 goto done;
 442                         }
 443                         owner_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
 444                         if (!owner_sid ||
 445                             !StringToSid(cli, owner_sid, tok+6)) {
 446                                 printf("Failed to parse owner sid\n");
 447                                 goto done;
 448                         }
 449                         continue;
 450                 }
 451
 452                 if (strncmp(tok,"GROUP:", 6) == 0) {
 453                         if (grp_sid) {
 454                                 printf("Only specify group once\n");
 455                                 goto done;
 456                         }
 457                         grp_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
 458                         if (!grp_sid ||
 459                             !StringToSid(cli, grp_sid, tok+6)) {
 460                                 printf("Failed to parse group sid\n");
 461                                 goto done;
 462                         }
 463                         continue;
 464                 }
 465
 466                 if (strncmp(tok,"ACL:", 4) == 0) {
 467                         SEC_ACE ace;
 468                         if (!parse_ace(cli, &ace, tok+4)) {
 469                                 goto done;
 470                         }
 471                         if(!add_ace(&dacl, &ace)) {
 472                                 printf("Failed to add ACL %s\n", tok);
 473                                 goto done;
 474                         }
 475                         continue;
 476                 }
 477
 478                 printf("Failed to parse token '%s' in security descriptor,\n", tok);
 479                 goto done;
 480         }
 481
 482         ret = make_sec_desc(talloc_tos(),revision, SEC_DESC_SELF_RELATIVE, owner_sid, grp_sid,
 483                             NULL, dacl, &sd_size);
 484
 485   done:
 486         SAFE_FREE(grp_sid);
 487         SAFE_FREE(owner_sid);
 488
 489         return ret;
 490 }
 491
 492
 493 /* print a ascii version of a security descriptor on a FILE handle */
 494 static void sec_desc_print(struct cli_state *cli, FILE *f, SEC_DESC *sd)
 495 {
 496         fstring sidstr;
 497         uint32 i;
 498
 499         fprintf(f, "REVISION:%d\n", sd->revision);
 500
 501         /* Print owner and group sid */
 502
 503         if (sd->owner_sid) {
 504                 SidToString(cli, sidstr, sd->owner_sid);
 505         } else {
 506                 fstrcpy(sidstr, "");
 507         }
 508
 509         fprintf(f, "OWNER:%s\n", sidstr);
 510
 511         if (sd->group_sid) {
 512                 SidToString(cli, sidstr, sd->group_sid);
 513         } else {
 514                 fstrcpy(sidstr, "");
 515         }
 516
 517         fprintf(f, "GROUP:%s\n", sidstr);
 518
 519         /* Print aces */
 520         for (i = 0; sd->dacl && i < sd->dacl->num_aces; i++) {
 521                 SEC_ACE *ace = &sd->dacl->aces[i];
 522                 fprintf(f, "ACL:");
 523                 print_ace(cli, f, ace);
 524                 fprintf(f, "\n");
 525         }
 526
 527 }
 528
 529 /*****************************************************
 530 dump the acls for a file
 531 *******************************************************/
 532 static int cacl_dump(struct cli_state *cli, char *filename)
 533 {
 534         int result = EXIT_FAILED;
 535         int fnum = -1;
 536         SEC_DESC *sd;
 537
 538         if (test_args)
 539                 return EXIT_OK;
 540
 541         fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
 542
 543         if (fnum == -1) {
 544                 printf("Failed to open %s: %s\n", filename, cli_errstr(cli));
 545                 goto done;
 546         }
 547
 548         sd = cli_query_secdesc(cli, fnum, talloc_tos());
 549
 550         if (!sd) {
 551                 printf("ERROR: secdesc query failed: %s\n", cli_errstr(cli));
 552                 goto done;
 553         }
 554
 555         sec_desc_print(cli, stdout, sd);
 556
 557         result = EXIT_OK;
 558
 559 done:
 560         if (fnum != -1)
 561                 cli_close(cli, fnum);
 562
 563         return result;
 564 }
 565
 566 /*****************************************************
 567 Change the ownership or group ownership of a file. Just
 568 because the NT docs say this can't be done :-). JRA.
 569 *******************************************************/
 570
 571 static int owner_set(struct cli_state *cli, enum chown_mode change_mode,
 572                         const char *filename, const char *new_username)
 573 {
 574         int fnum;
 575         DOM_SID sid;
 576         SEC_DESC *sd, *old;
 577         size_t sd_size;
 578
 579         fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
 580
 581         if (fnum == -1) {
 582                 printf("Failed to open %s: %s\n", filename, cli_errstr(cli));
 583                 return EXIT_FAILED;
 584         }
 585
 586         if (!StringToSid(cli, &sid, new_username))
 587                 return EXIT_PARSE_ERROR;
 588
 589         old = cli_query_secdesc(cli, fnum, talloc_tos());
 590
 591         cli_close(cli, fnum);
 592
 593         if (!old) {
 594                 printf("owner_set: Failed to query old descriptor\n");
 595                 return EXIT_FAILED;
 596         }
 597
 598         sd = make_sec_desc(talloc_tos(),old->revision, old->type,
 599                                 (change_mode == REQUEST_CHOWN) ? &sid : NULL,
 600                                 (change_mode == REQUEST_CHGRP) ? &sid : NULL,
 601                            NULL, NULL, &sd_size);
 602
 603         fnum = cli_nt_create(cli, filename, WRITE_OWNER_ACCESS);
 604
 605         if (fnum == -1) {
 606                 printf("Failed to open %s: %s\n", filename, cli_errstr(cli));
 607                 return EXIT_FAILED;
 608         }
 609
 610         if (!cli_set_secdesc(cli, fnum, sd)) {
 611                 printf("ERROR: secdesc set failed: %s\n", cli_errstr(cli));
 612         }
 613
 614         cli_close(cli, fnum);
 615
 616         return EXIT_OK;
 617 }
 618
 619
 620 /* The MSDN is contradictory over the ordering of ACE entries in an ACL.
 621    However NT4 gives a "The information may have been modified by a
 622    computer running Windows NT 5.0" if denied ACEs do not appear before
 623    allowed ACEs. */
 624
 625 static int ace_compare(SEC_ACE *ace1, SEC_ACE *ace2)
 626 {
 627         if (sec_ace_equal(ace1, ace2))
 628                 return 0;
 629
 630         if (ace1->type != ace2->type)
 631                 return ace2->type - ace1->type;
 632
 633         if (sid_compare(&ace1->trustee, &ace2->trustee))
 634                 return sid_compare(&ace1->trustee, &ace2->trustee);
 635
 636         if (ace1->flags != ace2->flags)
 637                 return ace1->flags - ace2->flags;
 638
 639         if (ace1->access_mask != ace2->access_mask)
 640                 return ace1->access_mask - ace2->access_mask;
 641
 642         if (ace1->size != ace2->size)
 643                 return ace1->size - ace2->size;
 644
 645         return memcmp(ace1, ace2, sizeof(SEC_ACE));
 646 }
 647
 648 static void sort_acl(SEC_ACL *the_acl)
 649 {
 650         uint32 i;
 651         if (!the_acl) return;
 652
 653         qsort(the_acl->aces, the_acl->num_aces, sizeof(the_acl->aces[0]), QSORT_CAST ace_compare);
 654
 655         for (i=1;i<the_acl->num_aces;) {
 656                 if (sec_ace_equal(&the_acl->aces[i-1], &the_acl->aces[i])) {
 657                         int j;
 658                         for (j=i; j<the_acl->num_aces-1; j++) {
 659                                 the_acl->aces[j] = the_acl->aces[j+1];
 660                         }
 661                         the_acl->num_aces--;
 662                 } else {
 663                         i++;
 664                 }
 665         }
 666 }
 667
 668 /*****************************************************
 669 set the ACLs on a file given an ascii description
 670 *******************************************************/
 671 static int cacl_set(struct cli_state *cli, char *filename,
 672                     char *the_acl, enum acl_mode mode)
 673 {
 674         int fnum;
 675         SEC_DESC *sd, *old;
 676         uint32 i, j;
 677         size_t sd_size;
 678         int result = EXIT_OK;
 679
 680         sd = sec_desc_parse(cli, the_acl);
 681
 682         if (!sd) return EXIT_PARSE_ERROR;
 683         if (test_args) return EXIT_OK;
 684
 685         /* The desired access below is the only one I could find that works
 686            with NT4, W2KP and Samba */
 687
 688         fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
 689
 690         if (fnum == -1) {
 691                 printf("cacl_set failed to open %s: %s\n", filename, cli_errstr(cli));
 692                 return EXIT_FAILED;
 693         }
 694
 695         old = cli_query_secdesc(cli, fnum, talloc_tos());
 696
 697         if (!old) {
 698                 printf("calc_set: Failed to query old descriptor\n");
 699                 return EXIT_FAILED;
 700         }
 701
 702         cli_close(cli, fnum);
 703
 704         /* the logic here is rather more complex than I would like */
 705         switch (mode) {
 706         case SMB_ACL_DELETE:
 707                 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
 708                         bool found = False;
 709
 710                         for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
 711                                 if (sec_ace_equal(&sd->dacl->aces[i],
 712                                                   &old->dacl->aces[j])) {
 713                                         uint32 k;
 714                                         for (k=j; k<old->dacl->num_aces-1;k++) {
 715                                                 old->dacl->aces[k] = old->dacl->aces[k+1];
 716                                         }
 717                                         old->dacl->num_aces--;
 718                                         found = True;
 719                                         break;
 720                                 }
 721                         }
 722
 723                         if (!found) {
 724                                 printf("ACL for ACE:");
 725                                 print_ace(cli, stdout, &sd->dacl->aces[i]);
 726                                 printf(" not found\n");
 727                         }
 728                 }
 729                 break;
 730
 731         case SMB_ACL_MODIFY:
 732                 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
 733                         bool found = False;
 734
 735                         for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
 736                                 if (sid_equal(&sd->dacl->aces[i].trustee,
 737                                               &old->dacl->aces[j].trustee)) {
 738                                         old->dacl->aces[j] = sd->dacl->aces[i];
 739                                         found = True;
 740                                 }
 741                         }
 742
 743                         if (!found) {
 744                                 fstring str;
 745
 746                                 SidToString(cli, str,
 747                                             &sd->dacl->aces[i].trustee);
 748                                 printf("ACL for SID %s not found\n", str);
 749                         }
 750                 }
 751
 752                 if (sd->owner_sid) {
 753                         old->owner_sid = sd->owner_sid;
 754                 }
 755
 756                 if (sd->group_sid) {
 757                         old->group_sid = sd->group_sid;
 758                 }
 759
 760                 break;
 761
 762         case SMB_ACL_ADD:
 763                 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
 764                         add_ace(&old->dacl, &sd->dacl->aces[i]);
 765                 }
 766                 break;
 767
 768         case SMB_ACL_SET:
 769                 old = sd;
 770                 break;
 771         }
 772
 773         /* Denied ACE entries must come before allowed ones */
 774         sort_acl(old->dacl);
 775
 776         /* Create new security descriptor and set it */
 777
 778         /* We used to just have "WRITE_DAC_ACCESS" without WRITE_OWNER.
 779            But if we're sending an owner, even if it's the same as the one
 780            that already exists then W2K3 insists we open with WRITE_OWNER access.
 781            I need to check that setting a SD with no owner set works against WNT
 782            and W2K. JRA.
 783         */
 784
 785         sd = make_sec_desc(talloc_tos(),old->revision, old->type,
 786                            old->owner_sid, old->group_sid,
 787                            NULL, old->dacl, &sd_size);
 788
 789         fnum = cli_nt_create(cli, filename, WRITE_DAC_ACCESS|WRITE_OWNER_ACCESS);
 790
 791         if (fnum == -1) {
 792                 printf("cacl_set failed to open %s: %s\n", filename, cli_errstr(cli));
 793                 return EXIT_FAILED;
 794         }
 795
 796         if (!cli_set_secdesc(cli, fnum, sd)) {
 797                 printf("ERROR: secdesc set failed: %s\n", cli_errstr(cli));
 798                 result = EXIT_FAILED;
 799         }
 800
 801         /* Clean up */
 802
 803         cli_close(cli, fnum);
 804
 805         return result;
 806 }
 807
 808
 809 /*****************************************************
 810  Return a connection to a server.
 811 *******************************************************/
 812 static struct cli_state *connect_one(const char *server, const char *share)
 813 {
 814         struct cli_state *c;
 815         struct sockaddr_storage ss;
 816         NTSTATUS nt_status;
 817         zero_addr(&ss);
 818
 819         if (!get_cmdline_auth_info_got_pass()) {
 820                 char *pass = getpass("Password: ");
 821                 if (pass) {
 822                         set_cmdline_auth_info_password(pass);
 823                 }
 824         }
 825
 826         if (NT_STATUS_IS_OK(nt_status = cli_full_connection(&c, global_myname(), server,
 827                                                             &ss, 0,
 828                                                             share, "?????",
 829                                                             get_cmdline_auth_info_username(),
 830                                                             lp_workgroup(),
 831                                                             get_cmdline_auth_info_password(),
 832                                                             0,
 833                                                             get_cmdline_auth_info_signing_state(),
 834                                                             NULL))) {
 835                 return c;
 836         } else {
 837                 DEBUG(0,("cli_full_connection failed! (%s)\n", nt_errstr(nt_status)));
 838                 return NULL;
 839         }
 840 }
 841
 842 /****************************************************************************
 843   main program
 844 ****************************************************************************/
 845  int main(int argc, const char *argv[])
 846 {
 847         char *share;
 848         int opt;
 849         enum acl_mode mode = SMB_ACL_SET;
 850         static char *the_acl = NULL;
 851         enum chown_mode change_mode = REQUEST_NONE;
 852         int result;
 853         char *path;
 854         char *filename = NULL;
 855         poptContext pc;
 856         struct poptOption long_options[] = {
 857                 POPT_AUTOHELP
 858                 { "delete", 'D', POPT_ARG_STRING, NULL, 'D', "Delete an acl", "ACL" },
 859                 { "modify", 'M', POPT_ARG_STRING, NULL, 'M', "Modify an acl", "ACL" },
 860                 { "add", 'a', POPT_ARG_STRING, NULL, 'a', "Add an acl", "ACL" },
 861                 { "set", 'S', POPT_ARG_STRING, NULL, 'S', "Set acls", "ACLS" },
 862                 { "chown", 'C', POPT_ARG_STRING, NULL, 'C', "Change ownership of a file", "USERNAME" },
 863                 { "chgrp", 'G', POPT_ARG_STRING, NULL, 'G', "Change group ownership of a file", "GROUPNAME" },
 864                 { "numeric", 0, POPT_ARG_NONE, &numeric, True, "Don't resolve sids or masks to names" },
 865                 { "test-args", 't', POPT_ARG_NONE, &test_args, True, "Test arguments"},
 866                 POPT_COMMON_SAMBA
 867                 POPT_COMMON_CREDENTIALS
 868                 { NULL }
 869         };
 870
 871         struct cli_state *cli;
 872         TALLOC_CTX *frame = talloc_stackframe();
 873         const char *owner_username = "";
 874         char *server;
 875
 876         load_case_tables();
 877
 878
 879         /* set default debug level to 1 regardless of what smb.conf sets */
 880         setup_logging( "smbcacls", True );
 881         DEBUGLEVEL_CLASS[DBGC_ALL] = 1;
 882         dbf = x_stderr;
 883         x_setbuf( x_stderr, NULL );
 884
 885         setlinebuf(stdout);
 886
 887         lp_load(dyn_CONFIGFILE,True,False,False,True);
 888         load_interfaces();
 889
 890         pc = poptGetContext("smbcacls", argc, argv, long_options, 0);
 891
 892         poptSetOtherOptionHelp(pc, "//server1/share1 filename\nACLs look like: "
 893                 "'ACL:user:[ALLOWED|DENIED]/flags/permissions'");
 894
 895         while ((opt = poptGetNextOpt(pc)) != -1) {
 896                 switch (opt) {
 897                 case 'S':
 898                         the_acl = smb_xstrdup(poptGetOptArg(pc));
 899                         mode = SMB_ACL_SET;
 900                         break;
 901
 902                 case 'D':
 903                         the_acl = smb_xstrdup(poptGetOptArg(pc));
 904                         mode = SMB_ACL_DELETE;
 905                         break;
 906
 907                 case 'M':
 908                         the_acl = smb_xstrdup(poptGetOptArg(pc));
 909                         mode = SMB_ACL_MODIFY;
 910                         break;
 911
 912                 case 'a':
 913                         the_acl = smb_xstrdup(poptGetOptArg(pc));
 914                         mode = SMB_ACL_ADD;
 915                         break;
 916
 917                 case 'C':
 918                         owner_username = poptGetOptArg(pc);
 919                         change_mode = REQUEST_CHOWN;
 920                         break;
 921
 922                 case 'G':
 923                         owner_username = poptGetOptArg(pc);
 924                         change_mode = REQUEST_CHGRP;
 925                         break;
 926                 }
 927         }
 928
 929         /* Make connection to server */
 930         if(!poptPeekArg(pc)) {
 931                 poptPrintUsage(pc, stderr, 0);
 932                 return -1;
 933         }
 934
 935         path = talloc_strdup(frame, poptGetArg(pc));
 936         if (!path) {
 937                 return -1;
 938         }
 939
 940         if(!poptPeekArg(pc)) {
 941                 poptPrintUsage(pc, stderr, 0);
 942                 return -1;
 943         }
 944
 945         filename = talloc_strdup(frame, poptGetArg(pc));
 946         if (!filename) {
 947                 return -1;
 948         }
 949
 950         string_replace(path,'/','\\');
 951
 952         server = talloc_strdup(frame, path+2);
 953         if (!server) {
 954                 return -1;
 955         }
 956         share = strchr_m(server,'\\');
 957         if (!share) {
 958                 printf("Invalid argument: %s\n", share);
 959                 return -1;
 960         }
 961
 962         *share = 0;
 963         share++;
 964
 965         if (!test_args) {
 966                 cli = connect_one(server, share);
 967                 if (!cli) {
 968                         exit(EXIT_FAILED);
 969                 }
 970         } else {
 971                 exit(0);
 972         }
 973
 974         string_replace(filename, '/', '\\');
 975         if (filename[0] != '\\') {
 976                 filename = talloc_asprintf(frame,
 977                                 "\\%s",
 978                                 filename);
 979                 if (!filename) {
 980                         return -1;
 981                 }
 982         }
 983
 984         /* Perform requested action */
 985
 986         if (change_mode != REQUEST_NONE) {
 987                 result = owner_set(cli, change_mode, filename, owner_username);
 988         } else if (the_acl) {
 989                 result = cacl_set(cli, filename, the_acl, mode);
 990         } else {
 991                 result = cacl_dump(cli, filename);
 992         }
 993
 994         TALLOC_FREE(frame);
 995
 996         return result;
 997 }