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