source/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 2 of the License, or
  13    (at your option) any later version.
  14
  15    This program is distributed in the hope that it will be useful,
  16    but WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18    GNU General Public License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with this program; if not, write to the Free Software
  22    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  23 */
  24
  25 #include "includes.h"
  26
  27 static pstring owner_username;
  28 static fstring server;
  29 static int test_args = False;
  30 static TALLOC_CTX *ctx;
  31
  32 #define CREATE_ACCESS_READ READ_CONTROL_ACCESS
  33
  34 /* numeric is set when the user wants numeric SIDs and ACEs rather
  35    than going via LSA calls to resolve them */
  36 static BOOL numeric = False;
  37
  38 enum acl_mode {SMB_ACL_SET, SMB_ACL_DELETE, SMB_ACL_MODIFY, SMB_ACL_ADD };
  39 enum chown_mode {REQUEST_NONE, REQUEST_CHOWN, REQUEST_CHGRP};
  40 enum exit_values {EXIT_OK, EXIT_FAILED, EXIT_PARSE_ERROR};
  41
  42 struct perm_value {
  43         const char *perm;
  44         uint32 mask;
  45 };
  46
  47 /* These values discovered by inspection */
  48
  49 static const struct perm_value special_values[] = {
  50         { "R", 0x00120089 },
  51         { "W", 0x00120116 },
  52         { "X", 0x001200a0 },
  53         { "D", 0x00010000 },
  54         { "P", 0x00040000 },
  55         { "O", 0x00080000 },
  56         { NULL, 0 },
  57 };
  58
  59 static const struct perm_value standard_values[] = {
  60         { "READ",   0x001200a9 },
  61         { "CHANGE", 0x001301bf },
  62         { "FULL",   0x001f01ff },
  63         { NULL, 0 },
  64 };
  65
  66 static struct cli_state *global_hack_cli;
  67 static struct rpc_pipe_client *global_pipe_hnd;
  68 static POLICY_HND pol;
  69 static BOOL got_policy_hnd;
  70
  71 static struct cli_state *connect_one(const char *share);
  72
  73 /* Open cli connection and policy handle */
  74
  75 static BOOL cacls_open_policy_hnd(void)
  76 {
  77         /* Initialise cli LSA connection */
  78
  79         if (!global_hack_cli) {
  80                 NTSTATUS ret;
  81                 global_hack_cli = connect_one("IPC$");
  82                 global_pipe_hnd = cli_rpc_pipe_open_noauth(global_hack_cli, PI_LSARPC, &ret);
  83                 if (!global_pipe_hnd) {
  84                                 return False;
  85                 }
  86         }
  87
  88         /* Open policy handle */
  89
  90         if (!got_policy_hnd) {
  91
  92                 /* Some systems don't support SEC_RIGHTS_MAXIMUM_ALLOWED,
  93                    but NT sends 0x2000000 so we might as well do it too. */
  94
  95                 if (!NT_STATUS_IS_OK(rpccli_lsa_open_policy(global_pipe_hnd, global_hack_cli->mem_ctx, True,
  96                                                          GENERIC_EXECUTE_ACCESS, &pol))) {
  97                         return False;
  98                 }
  99
 100                 got_policy_hnd = True;
 101         }
 102
 103         return True;
 104 }
 105
 106 /* convert a SID to a string, either numeric or username/group */
 107 static void SidToString(fstring str, DOM_SID *sid)
 108 {
 109         char **domains = NULL;
 110         char **names = NULL;
 111         enum lsa_SidType *types = NULL;
 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(rpccli_lsa_lookup_sids(global_pipe_hnd, global_hack_cli->mem_ctx,
 121                                                  &pol, 1, sid, &domains,
 122                                                  &names, &types)) ||
 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         enum lsa_SidType *types = NULL;
 139         DOM_SID *sids = NULL;
 140         BOOL result = True;
 141
 142         if (strncmp(str, "S-", 2) == 0) {
 143                 return string_to_sid(sid, str);
 144         }
 145
 146         if (!cacls_open_policy_hnd() ||
 147             !NT_STATUS_IS_OK(rpccli_lsa_lookup_names(global_pipe_hnd, global_hack_cli->mem_ctx,
 148                                                   &pol, 1, &str, NULL, &sids,
 149                                                   &types))) {
 150                 result = False;
 151                 goto done;
 152         }
 153
 154         sid_copy(sid, &sids[0]);
 155  done:
 156
 157         return result;
 158 }
 159
 160
 161 /* print an ACE on a FILE, using either numeric or ascii representation */
 162 static void print_ace(FILE *f, SEC_ACE *ace)
 163 {
 164         const struct perm_value *v;
 165         fstring sidstr;
 166         int do_print = 0;
 167         uint32 got_mask;
 168
 169         SidToString(sidstr, &ace->trustee);
 170
 171         fprintf(f, "%s:", sidstr);
 172
 173         if (numeric) {
 174                 fprintf(f, "%d/%d/0x%08x",
 175                         ace->type, ace->flags, ace->access_mask);
 176                 return;
 177         }
 178
 179         /* Ace type */
 180
 181         if (ace->type == SEC_ACE_TYPE_ACCESS_ALLOWED) {
 182                 fprintf(f, "ALLOWED");
 183         } else if (ace->type == SEC_ACE_TYPE_ACCESS_DENIED) {
 184                 fprintf(f, "DENIED");
 185         } else {
 186                 fprintf(f, "%d", ace->type);
 187         }
 188
 189         /* Not sure what flags can be set in a file ACL */
 190
 191         fprintf(f, "/%d/", ace->flags);
 192
 193         /* Standard permissions */
 194
 195         for (v = standard_values; v->perm; v++) {
 196                 if (ace->access_mask == v->mask) {
 197                         fprintf(f, "%s", v->perm);
 198                         return;
 199                 }
 200         }
 201
 202         /* Special permissions.  Print out a hex value if we have
 203            leftover bits in the mask. */
 204
 205         got_mask = ace->access_mask;
 206
 207  again:
 208         for (v = special_values; v->perm; v++) {
 209                 if ((ace->access_mask & v->mask) == v->mask) {
 210                         if (do_print) {
 211                                 fprintf(f, "%s", v->perm);
 212                         }
 213                         got_mask &= ~v->mask;
 214                 }
 215         }
 216
 217         if (!do_print) {
 218                 if (got_mask != 0) {
 219                         fprintf(f, "0x%08x", ace->access_mask);
 220                 } else {
 221                         do_print = 1;
 222                         goto again;
 223                 }
 224         }
 225 }
 226
 227
 228 /* parse an ACE in the same format as print_ace() */
 229 static BOOL parse_ace(SEC_ACE *ace, const char *orig_str)
 230 {
 231         char *p;
 232         const char *cp;
 233         fstring tok;
 234         unsigned int atype = 0;
 235         unsigned int aflags = 0;
 236         unsigned int amask = 0;
 237         DOM_SID sid;
 238         SEC_ACCESS mask;
 239         const struct perm_value *v;
 240         char *str = SMB_STRDUP(orig_str);
 241
 242         if (!str) {
 243                 return False;
 244         }
 245
 246         ZERO_STRUCTP(ace);
 247         p = strchr_m(str,':');
 248         if (!p) {
 249                 printf("ACE '%s': missing ':'.\n", orig_str);
 250                 SAFE_FREE(str);
 251                 return False;
 252         }
 253         *p = '\0';
 254         p++;
 255         /* Try to parse numeric form */
 256
 257         if (sscanf(p, "%i/%i/%i", &atype, &aflags, &amask) == 3 &&
 258             StringToSid(&sid, str)) {
 259                 goto done;
 260         }
 261
 262         /* Try to parse text form */
 263
 264         if (!StringToSid(&sid, str)) {
 265                 printf("ACE '%s': failed to convert '%s' to SID\n",
 266                         orig_str, str);
 267                 SAFE_FREE(str);
 268                 return False;
 269         }
 270
 271         cp = p;
 272         if (!next_token(&cp, tok, "/", sizeof(fstring))) {
 273                 printf("ACE '%s': failed to find '/' character.\n",
 274                         orig_str);
 275                 SAFE_FREE(str);
 276                 return False;
 277         }
 278
 279         if (strncmp(tok, "ALLOWED", strlen("ALLOWED")) == 0) {
 280                 atype = SEC_ACE_TYPE_ACCESS_ALLOWED;
 281         } else if (strncmp(tok, "DENIED", strlen("DENIED")) == 0) {
 282                 atype = SEC_ACE_TYPE_ACCESS_DENIED;
 283         } else {
 284                 printf("ACE '%s': missing 'ALLOWED' or 'DENIED' entry at '%s'\n",
 285                         orig_str, tok);
 286                 SAFE_FREE(str);
 287                 return False;
 288         }
 289
 290         /* Only numeric form accepted for flags at present */
 291
 292         if (!(next_token(&cp, tok, "/", sizeof(fstring)) &&
 293               sscanf(tok, "%i", &aflags))) {
 294                 printf("ACE '%s': bad integer flags entry at '%s'\n",
 295                         orig_str, tok);
 296                 SAFE_FREE(str);
 297                 return False;
 298         }
 299
 300         if (!next_token(&cp, tok, "/", sizeof(fstring))) {
 301                 printf("ACE '%s': missing / at '%s'\n",
 302                         orig_str, tok);
 303                 SAFE_FREE(str);
 304                 return False;
 305         }
 306
 307         if (strncmp(tok, "0x", 2) == 0) {
 308                 if (sscanf(tok, "%i", &amask) != 1) {
 309                         printf("ACE '%s': bad hex number at '%s'\n",
 310                                 orig_str, tok);
 311                         SAFE_FREE(str);
 312                         return False;
 313                 }
 314                 goto done;
 315         }
 316
 317         for (v = standard_values; v->perm; v++) {
 318                 if (strcmp(tok, v->perm) == 0) {
 319                         amask = v->mask;
 320                         goto done;
 321                 }
 322         }
 323
 324         p = tok;
 325
 326         while(*p) {
 327                 BOOL found = False;
 328
 329                 for (v = special_values; v->perm; v++) {
 330                         if (v->perm[0] == *p) {
 331                                 amask |= v->mask;
 332                                 found = True;
 333                         }
 334                 }
 335
 336                 if (!found) {
 337                         printf("ACE '%s': bad permission value at '%s'\n",
 338                                 orig_str, p);
 339                         SAFE_FREE(str);
 340                         return False;
 341                 }
 342                 p++;
 343         }
 344
 345         if (*p) {
 346                 SAFE_FREE(str);
 347                 return False;
 348         }
 349
 350  done:
 351         mask = amask;
 352         init_sec_ace(ace, &sid, atype, mask, aflags);
 353         SAFE_FREE(str);
 354         return True;
 355 }
 356
 357 /* add an ACE to a list of ACEs in a SEC_ACL */
 358 static BOOL add_ace(SEC_ACL **the_acl, SEC_ACE *ace)
 359 {
 360         SEC_ACL *new_ace;
 361         SEC_ACE *aces;
 362         if (! *the_acl) {
 363                 return (((*the_acl) = make_sec_acl(ctx, 3, 1, ace)) != NULL);
 364         }
 365
 366         if (!(aces = SMB_CALLOC_ARRAY(SEC_ACE, 1+(*the_acl)->num_aces))) {
 367                 return False;
 368         }
 369         memcpy(aces, (*the_acl)->aces, (*the_acl)->num_aces * sizeof(SEC_ACE));
 370         memcpy(aces+(*the_acl)->num_aces, ace, sizeof(SEC_ACE));
 371         new_ace = make_sec_acl(ctx,(*the_acl)->revision,1+(*the_acl)->num_aces, aces);
 372         SAFE_FREE(aces);
 373         (*the_acl) = new_ace;
 374         return True;
 375 }
 376
 377 /* parse a ascii version of a security descriptor */
 378 static SEC_DESC *sec_desc_parse(char *str)
 379 {
 380         const char *p = str;
 381         fstring tok;
 382         SEC_DESC *ret = NULL;
 383         size_t sd_size;
 384         DOM_SID *grp_sid=NULL, *owner_sid=NULL;
 385         SEC_ACL *dacl=NULL;
 386         int revision=1;
 387
 388         while (next_token(&p, tok, "\t,\r\n", sizeof(tok))) {
 389
 390                 if (strncmp(tok,"REVISION:", 9) == 0) {
 391                         revision = strtol(tok+9, NULL, 16);
 392                         continue;
 393                 }
 394
 395                 if (strncmp(tok,"OWNER:", 6) == 0) {
 396                         if (owner_sid) {
 397                                 printf("Only specify owner once\n");
 398                                 goto done;
 399                         }
 400                         owner_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
 401                         if (!owner_sid ||
 402                             !StringToSid(owner_sid, tok+6)) {
 403                                 printf("Failed to parse owner sid\n");
 404                                 goto done;
 405                         }
 406                         continue;
 407                 }
 408
 409                 if (strncmp(tok,"GROUP:", 6) == 0) {
 410                         if (grp_sid) {
 411                                 printf("Only specify group once\n");
 412                                 goto done;
 413                         }
 414                         grp_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
 415                         if (!grp_sid ||
 416                             !StringToSid(grp_sid, tok+6)) {
 417                                 printf("Failed to parse group sid\n");
 418                                 goto done;
 419                         }
 420                         continue;
 421                 }
 422
 423                 if (strncmp(tok,"ACL:", 4) == 0) {
 424                         SEC_ACE ace;
 425                         if (!parse_ace(&ace, tok+4)) {
 426                                 goto done;
 427                         }
 428                         if(!add_ace(&dacl, &ace)) {
 429                                 printf("Failed to add ACL %s\n", tok);
 430                                 goto done;
 431                         }
 432                         continue;
 433                 }
 434
 435                 printf("Failed to parse token '%s' in security descriptor,\n", tok);
 436                 goto done;
 437         }
 438
 439         ret = make_sec_desc(ctx,revision, SEC_DESC_SELF_RELATIVE, owner_sid, grp_sid,
 440                             NULL, dacl, &sd_size);
 441
 442   done:
 443         SAFE_FREE(grp_sid);
 444         SAFE_FREE(owner_sid);
 445
 446         return ret;
 447 }
 448
 449
 450 /* print a ascii version of a security descriptor on a FILE handle */
 451 static void sec_desc_print(FILE *f, SEC_DESC *sd)
 452 {
 453         fstring sidstr;
 454         uint32 i;
 455
 456         fprintf(f, "REVISION:%d\n", sd->revision);
 457
 458         /* Print owner and group sid */
 459
 460         if (sd->owner_sid) {
 461                 SidToString(sidstr, sd->owner_sid);
 462         } else {
 463                 fstrcpy(sidstr, "");
 464         }
 465
 466         fprintf(f, "OWNER:%s\n", sidstr);
 467
 468         if (sd->group_sid) {
 469                 SidToString(sidstr, sd->group_sid);
 470         } else {
 471                 fstrcpy(sidstr, "");
 472         }
 473
 474         fprintf(f, "GROUP:%s\n", sidstr);
 475
 476         /* Print aces */
 477         for (i = 0; sd->dacl && i < sd->dacl->num_aces; i++) {
 478                 SEC_ACE *ace = &sd->dacl->aces[i];
 479                 fprintf(f, "ACL:");
 480                 print_ace(f, ace);
 481                 fprintf(f, "\n");
 482         }
 483
 484 }
 485
 486 /*****************************************************
 487 dump the acls for a file
 488 *******************************************************/
 489 static int cacl_dump(struct cli_state *cli, char *filename)
 490 {
 491         int result = EXIT_FAILED;
 492         int fnum = -1;
 493         SEC_DESC *sd;
 494
 495         if (test_args)
 496                 return EXIT_OK;
 497
 498         fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
 499
 500         if (fnum == -1) {
 501                 printf("Failed to open %s: %s\n", filename, cli_errstr(cli));
 502                 goto done;
 503         }
 504
 505         sd = cli_query_secdesc(cli, fnum, ctx);
 506
 507         if (!sd) {
 508                 printf("ERROR: secdesc query failed: %s\n", cli_errstr(cli));
 509                 goto done;
 510         }
 511
 512         sec_desc_print(stdout, sd);
 513
 514         result = EXIT_OK;
 515
 516 done:
 517         if (fnum != -1)
 518                 cli_close(cli, fnum);
 519
 520         return result;
 521 }
 522
 523 /*****************************************************
 524 Change the ownership or group ownership of a file. Just
 525 because the NT docs say this can't be done :-). JRA.
 526 *******************************************************/
 527
 528 static int owner_set(struct cli_state *cli, enum chown_mode change_mode,
 529                      char *filename, char *new_username)
 530 {
 531         int fnum;
 532         DOM_SID sid;
 533         SEC_DESC *sd, *old;
 534         size_t sd_size;
 535
 536         fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
 537
 538         if (fnum == -1) {
 539                 printf("Failed to open %s: %s\n", filename, cli_errstr(cli));
 540                 return EXIT_FAILED;
 541         }
 542
 543         if (!StringToSid(&sid, new_username))
 544                 return EXIT_PARSE_ERROR;
 545
 546         old = cli_query_secdesc(cli, fnum, ctx);
 547
 548         cli_close(cli, fnum);
 549
 550         if (!old) {
 551                 printf("owner_set: Failed to query old descriptor\n");
 552                 return EXIT_FAILED;
 553         }
 554
 555         sd = make_sec_desc(ctx,old->revision, old->type,
 556                                 (change_mode == REQUEST_CHOWN) ? &sid : NULL,
 557                                 (change_mode == REQUEST_CHGRP) ? &sid : NULL,
 558                            NULL, NULL, &sd_size);
 559
 560         fnum = cli_nt_create(cli, filename, WRITE_OWNER_ACCESS);
 561
 562         if (fnum == -1) {
 563                 printf("Failed to open %s: %s\n", filename, cli_errstr(cli));
 564                 return EXIT_FAILED;
 565         }
 566
 567         if (!cli_set_secdesc(cli, fnum, sd)) {
 568                 printf("ERROR: secdesc set failed: %s\n", cli_errstr(cli));
 569         }
 570
 571         cli_close(cli, fnum);
 572
 573         return EXIT_OK;
 574 }
 575
 576
 577 /* The MSDN is contradictory over the ordering of ACE entries in an ACL.
 578    However NT4 gives a "The information may have been modified by a
 579    computer running Windows NT 5.0" if denied ACEs do not appear before
 580    allowed ACEs. */
 581
 582 static int ace_compare(SEC_ACE *ace1, SEC_ACE *ace2)
 583 {
 584         if (sec_ace_equal(ace1, ace2))
 585                 return 0;
 586
 587         if (ace1->type != ace2->type)
 588                 return ace2->type - ace1->type;
 589
 590         if (sid_compare(&ace1->trustee, &ace2->trustee))
 591                 return sid_compare(&ace1->trustee, &ace2->trustee);
 592
 593         if (ace1->flags != ace2->flags)
 594                 return ace1->flags - ace2->flags;
 595
 596         if (ace1->access_mask != ace2->access_mask)
 597                 return ace1->access_mask - ace2->access_mask;
 598
 599         if (ace1->size != ace2->size)
 600                 return ace1->size - ace2->size;
 601
 602         return memcmp(ace1, ace2, sizeof(SEC_ACE));
 603 }
 604
 605 static void sort_acl(SEC_ACL *the_acl)
 606 {
 607         uint32 i;
 608         if (!the_acl) return;
 609
 610         qsort(the_acl->aces, the_acl->num_aces, sizeof(the_acl->aces[0]), QSORT_CAST ace_compare);
 611
 612         for (i=1;i<the_acl->num_aces;) {
 613                 if (sec_ace_equal(&the_acl->aces[i-1], &the_acl->aces[i])) {
 614                         int j;
 615                         for (j=i; j<the_acl->num_aces-1; j++) {
 616                                 the_acl->aces[j] = the_acl->aces[j+1];
 617                         }
 618                         the_acl->num_aces--;
 619                 } else {
 620                         i++;
 621                 }
 622         }
 623 }
 624
 625 /*****************************************************
 626 set the ACLs on a file given an ascii description
 627 *******************************************************/
 628 static int cacl_set(struct cli_state *cli, char *filename,
 629                     char *the_acl, enum acl_mode mode)
 630 {
 631         int fnum;
 632         SEC_DESC *sd, *old;
 633         uint32 i, j;
 634         size_t sd_size;
 635         int result = EXIT_OK;
 636
 637         sd = sec_desc_parse(the_acl);
 638
 639         if (!sd) return EXIT_PARSE_ERROR;
 640         if (test_args) return EXIT_OK;
 641
 642         /* The desired access below is the only one I could find that works
 643            with NT4, W2KP and Samba */
 644
 645         fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
 646
 647         if (fnum == -1) {
 648                 printf("cacl_set failed to open %s: %s\n", filename, cli_errstr(cli));
 649                 return EXIT_FAILED;
 650         }
 651
 652         old = cli_query_secdesc(cli, fnum, ctx);
 653
 654         if (!old) {
 655                 printf("calc_set: Failed to query old descriptor\n");
 656                 return EXIT_FAILED;
 657         }
 658
 659         cli_close(cli, fnum);
 660
 661         /* the logic here is rather more complex than I would like */
 662         switch (mode) {
 663         case SMB_ACL_DELETE:
 664                 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
 665                         BOOL found = False;
 666
 667                         for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
 668                                 if (sec_ace_equal(&sd->dacl->aces[i],
 669                                                   &old->dacl->aces[j])) {
 670                                         uint32 k;
 671                                         for (k=j; k<old->dacl->num_aces-1;k++) {
 672                                                 old->dacl->aces[k] = old->dacl->aces[k+1];
 673                                         }
 674                                         old->dacl->num_aces--;
 675                                         found = True;
 676                                         break;
 677                                 }
 678                         }
 679
 680                         if (!found) {
 681                                 printf("ACL for ACE:");
 682                                 print_ace(stdout, &sd->dacl->aces[i]);
 683                                 printf(" not found\n");
 684                         }
 685                 }
 686                 break;
 687
 688         case SMB_ACL_MODIFY:
 689                 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
 690                         BOOL found = False;
 691
 692                         for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
 693                                 if (sid_equal(&sd->dacl->aces[i].trustee,
 694                                               &old->dacl->aces[j].trustee)) {
 695                                         old->dacl->aces[j] = sd->dacl->aces[i];
 696                                         found = True;
 697                                 }
 698                         }
 699
 700                         if (!found) {
 701                                 fstring str;
 702
 703                                 SidToString(str, &sd->dacl->aces[i].trustee);
 704                                 printf("ACL for SID %s not found\n", str);
 705                         }
 706                 }
 707
 708                 if (sd->owner_sid) {
 709                         old->owner_sid = sd->owner_sid;
 710                 }
 711
 712                 if (sd->group_sid) {
 713                         old->group_sid = sd->group_sid;
 714                 }
 715
 716                 break;
 717
 718         case SMB_ACL_ADD:
 719                 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
 720                         add_ace(&old->dacl, &sd->dacl->aces[i]);
 721                 }
 722                 break;
 723
 724         case SMB_ACL_SET:
 725                 old = sd;
 726                 break;
 727         }
 728
 729         /* Denied ACE entries must come before allowed ones */
 730         sort_acl(old->dacl);
 731
 732         /* Create new security descriptor and set it */
 733 #if 0
 734         /* We used to just have "WRITE_DAC_ACCESS" without WRITE_OWNER.
 735            But if we're sending an owner, even if it's the same as the one
 736            that already exists then W2K3 insists we open with WRITE_OWNER access.
 737            I need to check that setting a SD with no owner set works against WNT
 738            and W2K. JRA.
 739         */
 740
 741         sd = make_sec_desc(ctx,old->revision, old->type, old->owner_sid, old->grp_sid,
 742                            NULL, old->dacl, &sd_size);
 743
 744         fnum = cli_nt_create(cli, filename, WRITE_DAC_ACCESS|WRITE_OWNER_ACCESS);
 745 #else
 746         sd = make_sec_desc(ctx,old->revision, old->type, NULL, NULL,
 747                            NULL, old->dacl, &sd_size);
 748
 749         fnum = cli_nt_create(cli, filename, WRITE_DAC_ACCESS);
 750 #endif
 751         if (fnum == -1) {
 752                 printf("cacl_set failed to open %s: %s\n", filename, cli_errstr(cli));
 753                 return EXIT_FAILED;
 754         }
 755
 756         if (!cli_set_secdesc(cli, fnum, sd)) {
 757                 printf("ERROR: secdesc set failed: %s\n", cli_errstr(cli));
 758                 result = EXIT_FAILED;
 759         }
 760
 761         /* Clean up */
 762
 763         cli_close(cli, fnum);
 764
 765         return result;
 766 }
 767
 768
 769 /*****************************************************
 770 return a connection to a server
 771 *******************************************************/
 772 static struct cli_state *connect_one(const char *share)
 773 {
 774         struct cli_state *c;
 775         struct in_addr ip;
 776         NTSTATUS nt_status;
 777         zero_ip(&ip);
 778
 779         if (!cmdline_auth_info.got_pass) {
 780                 char *pass = getpass("Password: ");
 781                 if (pass) {
 782                         pstrcpy(cmdline_auth_info.password, pass);
 783                         cmdline_auth_info.got_pass = True;
 784                 }
 785         }
 786
 787         if (NT_STATUS_IS_OK(nt_status = cli_full_connection(&c, global_myname(), server,
 788                                                             &ip, 0,
 789                                                             share, "?????",
 790                                                             cmdline_auth_info.username, lp_workgroup(),
 791                                                             cmdline_auth_info.password, 0,
 792                                                             cmdline_auth_info.signing_state, NULL))) {
 793                 return c;
 794         } else {
 795                 DEBUG(0,("cli_full_connection failed! (%s)\n", nt_errstr(nt_status)));
 796                 return NULL;
 797         }
 798 }
 799
 800 /****************************************************************************
 801   main program
 802 ****************************************************************************/
 803  int main(int argc, const char *argv[])
 804 {
 805         char *share;
 806         int opt;
 807         enum acl_mode mode = SMB_ACL_SET;
 808         static char *the_acl = NULL;
 809         enum chown_mode change_mode = REQUEST_NONE;
 810         int result;
 811         fstring path;
 812         pstring filename;
 813         poptContext pc;
 814         struct poptOption long_options[] = {
 815                 POPT_AUTOHELP
 816                 { "delete", 'D', POPT_ARG_STRING, NULL, 'D', "Delete an acl", "ACL" },
 817                 { "modify", 'M', POPT_ARG_STRING, NULL, 'M', "Modify an acl", "ACL" },
 818                 { "add", 'a', POPT_ARG_STRING, NULL, 'a', "Add an acl", "ACL" },
 819                 { "set", 'S', POPT_ARG_STRING, NULL, 'S', "Set acls", "ACLS" },
 820                 { "chown", 'C', POPT_ARG_STRING, NULL, 'C', "Change ownership of a file", "USERNAME" },
 821                 { "chgrp", 'G', POPT_ARG_STRING, NULL, 'G', "Change group ownership of a file", "GROUPNAME" },
 822                 { "numeric", 0, POPT_ARG_NONE, &numeric, True, "Don't resolve sids or masks to names" },
 823                 { "test-args", 't', POPT_ARG_NONE, &test_args, True, "Test arguments"},
 824                 POPT_COMMON_SAMBA
 825                 POPT_COMMON_CREDENTIALS
 826                 { NULL }
 827         };
 828
 829         struct cli_state *cli;
 830
 831         load_case_tables();
 832
 833         ctx=talloc_init("main");
 834
 835         /* set default debug level to 1 regardless of what smb.conf sets */
 836         setup_logging( "smbcacls", True );
 837         DEBUGLEVEL_CLASS[DBGC_ALL] = 1;
 838         dbf = x_stderr;
 839         x_setbuf( x_stderr, NULL );
 840
 841         setlinebuf(stdout);
 842
 843         lp_load(dyn_CONFIGFILE,True,False,False,True);
 844         load_interfaces();
 845
 846         pc = poptGetContext("smbcacls", argc, argv, long_options, 0);
 847
 848         poptSetOtherOptionHelp(pc, "//server1/share1 filename\nACLs look like: "
 849                 "'ACL:user:[ALLOWED|DENIED]/flags/permissions'");
 850
 851         while ((opt = poptGetNextOpt(pc)) != -1) {
 852                 switch (opt) {
 853                 case 'S':
 854                         the_acl = smb_xstrdup(poptGetOptArg(pc));
 855                         mode = SMB_ACL_SET;
 856                         break;
 857
 858                 case 'D':
 859                         the_acl = smb_xstrdup(poptGetOptArg(pc));
 860                         mode = SMB_ACL_DELETE;
 861                         break;
 862
 863                 case 'M':
 864                         the_acl = smb_xstrdup(poptGetOptArg(pc));
 865                         mode = SMB_ACL_MODIFY;
 866                         break;
 867
 868                 case 'a':
 869                         the_acl = smb_xstrdup(poptGetOptArg(pc));
 870                         mode = SMB_ACL_ADD;
 871                         break;
 872
 873                 case 'C':
 874                         pstrcpy(owner_username,poptGetOptArg(pc));
 875                         change_mode = REQUEST_CHOWN;
 876                         break;
 877
 878                 case 'G':
 879                         pstrcpy(owner_username,poptGetOptArg(pc));
 880                         change_mode = REQUEST_CHGRP;
 881                         break;
 882                 }
 883         }
 884
 885         /* Make connection to server */
 886         if(!poptPeekArg(pc)) {
 887                 poptPrintUsage(pc, stderr, 0);
 888                 return -1;
 889         }
 890
 891         fstrcpy(path, poptGetArg(pc));
 892
 893         if(!poptPeekArg(pc)) {
 894                 poptPrintUsage(pc, stderr, 0);
 895                 return -1;
 896         }
 897
 898         pstrcpy(filename, poptGetArg(pc));
 899
 900         all_string_sub(path,"/","\\",0);
 901
 902         fstrcpy(server,path+2);
 903         share = strchr_m(server,'\\');
 904         if (!share) {
 905                 printf("Invalid argument: %s\n", share);
 906                 return -1;
 907         }
 908
 909         *share = 0;
 910         share++;
 911
 912         if (!test_args) {
 913                 cli = connect_one(share);
 914                 if (!cli) {
 915                         talloc_destroy(ctx);
 916                         exit(EXIT_FAILED);
 917                 }
 918         } else {
 919                 exit(0);
 920         }
 921
 922         all_string_sub(filename, "/", "\\", 0);
 923         if (filename[0] != '\\') {
 924                 pstring s;
 925                 s[0] = '\\';
 926                 safe_strcpy(&s[1], filename, sizeof(pstring)-2);
 927                 pstrcpy(filename, s);
 928         }
 929
 930         /* Perform requested action */
 931
 932         if (change_mode != REQUEST_NONE) {
 933                 result = owner_set(cli, change_mode, filename, owner_username);
 934         } else if (the_acl) {
 935                 result = cacl_set(cli, filename, the_acl, mode);
 936         } else {
 937                 result = cacl_dump(cli, filename);
 938         }
 939
 940         talloc_destroy(ctx);
 941
 942         return result;
 943 }