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 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$", "?????", "", 0)) {
  80                 return cli_nt_error(cli);
  81         }
  82
  83         p = cli_rpc_pipe_open_noauth(cli, PI_LSARPC, &status);
  84         if (p == NULL) {
  85                 goto fail;
  86         }
  87
  88         status = rpccli_lsa_open_policy(p, talloc_tos(), True,
  89                                         GENERIC_EXECUTE_ACCESS, &handle);
  90         if (!NT_STATUS_IS_OK(status)) {
  91                 goto fail;
  92         }
  93
  94         status = rpccli_lsa_lookup_sids(p, talloc_tos(), &handle, 1, sid,
  95                                         &domains, &names, &types);
  96         if (!NT_STATUS_IS_OK(status)) {
  97                 goto fail;
  98         }
  99
 100         *type = types[0];
 101         *domain = talloc_move(mem_ctx, &domains[0]);
 102         *name = talloc_move(mem_ctx, &names[0]);
 103
 104         status = NT_STATUS_OK;
 105  fail:
 106         TALLOC_FREE(p);
 107         cli_tdis(cli);
 108         cli->cnum = orig_cnum;
 109         TALLOC_FREE(frame);
 110         return status;
 111 }
 112
 113 static NTSTATUS cli_lsa_lookup_name(struct cli_state *cli,
 114                                     const char *name,
 115                                     enum lsa_SidType *type,
 116                                     DOM_SID *sid)
 117 {
 118         uint16 orig_cnum = cli->cnum;
 119         struct rpc_pipe_client *p;
 120         struct policy_handle handle;
 121         NTSTATUS status;
 122         TALLOC_CTX *frame = talloc_stackframe();
 123         DOM_SID *sids;
 124         enum lsa_SidType *types;
 125
 126         if (!cli_send_tconX(cli, "IPC$", "?????", "", 0)) {
 127                 return cli_nt_error(cli);
 128         }
 129
 130         p = cli_rpc_pipe_open_noauth(cli, PI_LSARPC, &status);
 131         if (p == NULL) {
 132                 goto fail;
 133         }
 134
 135         status = rpccli_lsa_open_policy(p, talloc_tos(), True,
 136                                         GENERIC_EXECUTE_ACCESS, &handle);
 137         if (!NT_STATUS_IS_OK(status)) {
 138                 goto fail;
 139         }
 140
 141         status = rpccli_lsa_lookup_names(p, talloc_tos(), &handle, 1, &name,
 142                                          NULL, 1, &sids, &types);
 143         if (!NT_STATUS_IS_OK(status)) {
 144                 goto fail;
 145         }
 146
 147         *type = types[0];
 148         *sid = sids[0];
 149
 150         status = NT_STATUS_OK;
 151  fail:
 152         TALLOC_FREE(p);
 153         cli_tdis(cli);
 154         cli->cnum = orig_cnum;
 155         TALLOC_FREE(frame);
 156         return status;
 157 }
 158
 159 /* convert a SID to a string, either numeric or username/group */
 160 static void SidToString(struct cli_state *cli, fstring str, const DOM_SID *sid)
 161 {
 162         char *domain = NULL;
 163         char *name = NULL;
 164         enum lsa_SidType type;
 165         NTSTATUS status;
 166
 167         sid_to_fstring(str, sid);
 168
 169         if (numeric) {
 170                 return;
 171         }
 172
 173         status = cli_lsa_lookup_sid(cli, sid, talloc_tos(), &type,
 174                                     &domain, &name);
 175
 176         if (!NT_STATUS_IS_OK(status)) {
 177                 return;
 178         }
 179
 180         slprintf(str, sizeof(fstring) - 1, "%s%s%s",
 181                  domain, lp_winbind_separator(), name);
 182
 183 }
 184
 185 /* convert a string to a SID, either numeric or username/group */
 186 static bool StringToSid(struct cli_state *cli, DOM_SID *sid, const char *str)
 187 {
 188         enum lsa_SidType type;
 189
 190         if (strncmp(str, "S-", 2) == 0) {
 191                 return string_to_sid(sid, str);
 192         }
 193
 194         return NT_STATUS_IS_OK(cli_lsa_lookup_name(cli, str, &type, sid));
 195 }
 196
 197
 198 /* print an ACE on a FILE, using either numeric or ascii representation */
 199 static void print_ace(struct cli_state *cli, FILE *f, SEC_ACE *ace)
 200 {
 201         const struct perm_value *v;
 202         fstring sidstr;
 203         int do_print = 0;
 204         uint32 got_mask;
 205
 206         SidToString(cli, sidstr, &ace->trustee);
 207
 208         fprintf(f, "%s:", sidstr);
 209
 210         if (numeric) {
 211                 fprintf(f, "%d/%d/0x%08x",
 212                         ace->type, ace->flags, ace->access_mask);
 213                 return;
 214         }
 215
 216         /* Ace type */
 217
 218         if (ace->type == SEC_ACE_TYPE_ACCESS_ALLOWED) {
 219                 fprintf(f, "ALLOWED");
 220         } else if (ace->type == SEC_ACE_TYPE_ACCESS_DENIED) {
 221                 fprintf(f, "DENIED");
 222         } else {
 223                 fprintf(f, "%d", ace->type);
 224         }
 225
 226         /* Not sure what flags can be set in a file ACL */
 227
 228         fprintf(f, "/%d/", ace->flags);
 229
 230         /* Standard permissions */
 231
 232         for (v = standard_values; v->perm; v++) {
 233                 if (ace->access_mask == v->mask) {
 234                         fprintf(f, "%s", v->perm);
 235                         return;
 236                 }
 237         }
 238
 239         /* Special permissions.  Print out a hex value if we have
 240            leftover bits in the mask. */
 241
 242         got_mask = ace->access_mask;
 243
 244  again:
 245         for (v = special_values; v->perm; v++) {
 246                 if ((ace->access_mask & v->mask) == v->mask) {
 247                         if (do_print) {
 248                                 fprintf(f, "%s", v->perm);
 249                         }
 250                         got_mask &= ~v->mask;
 251                 }
 252         }
 253
 254         if (!do_print) {
 255                 if (got_mask != 0) {
 256                         fprintf(f, "0x%08x", ace->access_mask);
 257                 } else {
 258                         do_print = 1;
 259                         goto again;
 260                 }
 261         }
 262 }
 263
 264
 265 /* parse an ACE in the same format as print_ace() */
 266 static bool parse_ace(struct cli_state *cli, SEC_ACE *ace,
 267                       const char *orig_str)
 268 {
 269         char *p;
 270         const char *cp;
 271         char *tok;
 272         unsigned int atype = 0;
 273         unsigned int aflags = 0;
 274         unsigned int amask = 0;
 275         DOM_SID sid;
 276         SEC_ACCESS mask;
 277         const struct perm_value *v;
 278         char *str = SMB_STRDUP(orig_str);
 279         TALLOC_CTX *frame = talloc_stackframe();
 280
 281         if (!str) {
 282                 TALLOC_FREE(frame);
 283                 return False;
 284         }
 285
 286         ZERO_STRUCTP(ace);
 287         p = strchr_m(str,':');
 288         if (!p) {
 289                 printf("ACE '%s': missing ':'.\n", orig_str);
 290                 SAFE_FREE(str);
 291                 TALLOC_FREE(frame);
 292                 return False;
 293         }
 294         *p = '\0';
 295         p++;
 296         /* Try to parse numeric form */
 297
 298         if (sscanf(p, "%i/%i/%i", &atype, &aflags, &amask) == 3 &&
 299             StringToSid(cli, &sid, str)) {
 300                 goto done;
 301         }
 302
 303         /* Try to parse text form */
 304
 305         if (!StringToSid(cli, &sid, str)) {
 306                 printf("ACE '%s': failed to convert '%s' to SID\n",
 307                         orig_str, str);
 308                 SAFE_FREE(str);
 309                 TALLOC_FREE(frame);
 310                 return False;
 311         }
 312
 313         cp = p;
 314         if (!next_token_talloc(frame, &cp, &tok, "/")) {
 315                 printf("ACE '%s': failed to find '/' character.\n",
 316                         orig_str);
 317                 SAFE_FREE(str);
 318                 TALLOC_FREE(frame);
 319                 return False;
 320         }
 321
 322         if (strncmp(tok, "ALLOWED", strlen("ALLOWED")) == 0) {
 323                 atype = SEC_ACE_TYPE_ACCESS_ALLOWED;
 324         } else if (strncmp(tok, "DENIED", strlen("DENIED")) == 0) {
 325                 atype = SEC_ACE_TYPE_ACCESS_DENIED;
 326         } else {
 327                 printf("ACE '%s': missing 'ALLOWED' or 'DENIED' entry at '%s'\n",
 328                         orig_str, tok);
 329                 SAFE_FREE(str);
 330                 TALLOC_FREE(frame);
 331                 return False;
 332         }
 333
 334         /* Only numeric form accepted for flags at present */
 335
 336         if (!(next_token_talloc(frame, &cp, &tok, "/") &&
 337               sscanf(tok, "%i", &aflags))) {
 338                 printf("ACE '%s': bad integer flags entry at '%s'\n",
 339                         orig_str, tok);
 340                 SAFE_FREE(str);
 341                 TALLOC_FREE(frame);
 342                 return False;
 343         }
 344
 345         if (!next_token_talloc(frame, &cp, &tok, "/")) {
 346                 printf("ACE '%s': missing / at '%s'\n",
 347                         orig_str, tok);
 348                 SAFE_FREE(str);
 349                 TALLOC_FREE(frame);
 350                 return False;
 351         }
 352
 353         if (strncmp(tok, "0x", 2) == 0) {
 354                 if (sscanf(tok, "%i", &amask) != 1) {
 355                         printf("ACE '%s': bad hex number at '%s'\n",
 356                                 orig_str, tok);
 357                         SAFE_FREE(str);
 358                         TALLOC_FREE(frame);
 359                         return False;
 360                 }
 361                 goto done;
 362         }
 363
 364         for (v = standard_values; v->perm; v++) {
 365                 if (strcmp(tok, v->perm) == 0) {
 366                         amask = v->mask;
 367                         goto done;
 368                 }
 369         }
 370
 371         p = tok;
 372
 373         while(*p) {
 374                 bool found = False;
 375
 376                 for (v = special_values; v->perm; v++) {
 377                         if (v->perm[0] == *p) {
 378                                 amask |= v->mask;
 379                                 found = True;
 380                         }
 381                 }
 382
 383                 if (!found) {
 384                         printf("ACE '%s': bad permission value at '%s'\n",
 385                                 orig_str, p);
 386                         SAFE_FREE(str);
 387                         TALLOC_FREE(frame);
 388                         return False;
 389                 }
 390                 p++;
 391         }
 392
 393         if (*p) {
 394                 TALLOC_FREE(frame);
 395                 SAFE_FREE(str);
 396                 return False;
 397         }
 398
 399  done:
 400         mask = amask;
 401         init_sec_ace(ace, &sid, atype, mask, aflags);
 402         TALLOC_FREE(frame);
 403         SAFE_FREE(str);
 404         return True;
 405 }
 406
 407 /* add an ACE to a list of ACEs in a SEC_ACL */
 408 static bool add_ace(SEC_ACL **the_acl, SEC_ACE *ace)
 409 {
 410         SEC_ACL *new_ace;
 411         SEC_ACE *aces;
 412         if (! *the_acl) {
 413                 return (((*the_acl) = make_sec_acl(talloc_tos(), 3, 1, ace))
 414                         != NULL);
 415         }
 416
 417         if (!(aces = SMB_CALLOC_ARRAY(SEC_ACE, 1+(*the_acl)->num_aces))) {
 418                 return False;
 419         }
 420         memcpy(aces, (*the_acl)->aces, (*the_acl)->num_aces * sizeof(SEC_ACE));
 421         memcpy(aces+(*the_acl)->num_aces, ace, sizeof(SEC_ACE));
 422         new_ace = make_sec_acl(talloc_tos(),(*the_acl)->revision,1+(*the_acl)->num_aces, aces);
 423         SAFE_FREE(aces);
 424         (*the_acl) = new_ace;
 425         return True;
 426 }
 427
 428 /* parse a ascii version of a security descriptor */
 429 static SEC_DESC *sec_desc_parse(TALLOC_CTX *ctx, struct cli_state *cli, char *str)
 430 {
 431         const char *p = str;
 432         char *tok;
 433         SEC_DESC *ret = NULL;
 434         size_t sd_size;
 435         DOM_SID *grp_sid=NULL, *owner_sid=NULL;
 436         SEC_ACL *dacl=NULL;
 437         int revision=1;
 438
 439         while (next_token_talloc(ctx, &p, &tok, "\t,\r\n")) {
 440                 if (strncmp(tok,"REVISION:", 9) == 0) {
 441                         revision = strtol(tok+9, NULL, 16);
 442                         continue;
 443                 }
 444
 445                 if (strncmp(tok,"OWNER:", 6) == 0) {
 446                         if (owner_sid) {
 447                                 printf("Only specify owner once\n");
 448                                 goto done;
 449                         }
 450                         owner_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
 451                         if (!owner_sid ||
 452                             !StringToSid(cli, owner_sid, tok+6)) {
 453                                 printf("Failed to parse owner sid\n");
 454                                 goto done;
 455                         }
 456                         continue;
 457                 }
 458
 459                 if (strncmp(tok,"GROUP:", 6) == 0) {
 460                         if (grp_sid) {
 461                                 printf("Only specify group once\n");
 462                                 goto done;
 463                         }
 464                         grp_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
 465                         if (!grp_sid ||
 466                             !StringToSid(cli, grp_sid, tok+6)) {
 467                                 printf("Failed to parse group sid\n");
 468                                 goto done;
 469                         }
 470                         continue;
 471                 }
 472
 473                 if (strncmp(tok,"ACL:", 4) == 0) {
 474                         SEC_ACE ace;
 475                         if (!parse_ace(cli, &ace, tok+4)) {
 476                                 goto done;
 477                         }
 478                         if(!add_ace(&dacl, &ace)) {
 479                                 printf("Failed to add ACL %s\n", tok);
 480                                 goto done;
 481                         }
 482                         continue;
 483                 }
 484
 485                 printf("Failed to parse token '%s' in security descriptor,\n", tok);
 486                 goto done;
 487         }
 488
 489         ret = make_sec_desc(ctx,revision, SEC_DESC_SELF_RELATIVE, owner_sid, grp_sid,
 490                             NULL, dacl, &sd_size);
 491
 492   done:
 493         SAFE_FREE(grp_sid);
 494         SAFE_FREE(owner_sid);
 495
 496         return ret;
 497 }
 498
 499
 500 /* print a ascii version of a security descriptor on a FILE handle */
 501 static void sec_desc_print(struct cli_state *cli, FILE *f, SEC_DESC *sd)
 502 {
 503         fstring sidstr;
 504         uint32 i;
 505
 506         fprintf(f, "REVISION:%d\n", sd->revision);
 507
 508         /* Print owner and group sid */
 509
 510         if (sd->owner_sid) {
 511                 SidToString(cli, sidstr, sd->owner_sid);
 512         } else {
 513                 fstrcpy(sidstr, "");
 514         }
 515
 516         fprintf(f, "OWNER:%s\n", sidstr);
 517
 518         if (sd->group_sid) {
 519                 SidToString(cli, sidstr, sd->group_sid);
 520         } else {
 521                 fstrcpy(sidstr, "");
 522         }
 523
 524         fprintf(f, "GROUP:%s\n", sidstr);
 525
 526         /* Print aces */
 527         for (i = 0; sd->dacl && i < sd->dacl->num_aces; i++) {
 528                 SEC_ACE *ace = &sd->dacl->aces[i];
 529                 fprintf(f, "ACL:");
 530                 print_ace(cli, f, ace);
 531                 fprintf(f, "\n");
 532         }
 533
 534 }
 535
 536 /*****************************************************
 537 dump the acls for a file
 538 *******************************************************/
 539 static int cacl_dump(struct cli_state *cli, char *filename)
 540 {
 541         int result = EXIT_FAILED;
 542         int fnum = -1;
 543         SEC_DESC *sd;
 544
 545         if (test_args)
 546                 return EXIT_OK;
 547
 548         fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
 549
 550         if (fnum == -1) {
 551                 printf("Failed to open %s: %s\n", filename, cli_errstr(cli));
 552                 goto done;
 553         }
 554
 555         sd = cli_query_secdesc(cli, fnum, talloc_tos());
 556
 557         if (!sd) {
 558                 printf("ERROR: secdesc query failed: %s\n", cli_errstr(cli));
 559                 goto done;
 560         }
 561
 562         sec_desc_print(cli, stdout, sd);
 563
 564         result = EXIT_OK;
 565
 566 done:
 567         if (fnum != -1)
 568                 cli_close(cli, fnum);
 569
 570         return result;
 571 }
 572
 573 /*****************************************************
 574 Change the ownership or group ownership of a file. Just
 575 because the NT docs say this can't be done :-). JRA.
 576 *******************************************************/
 577
 578 static int owner_set(struct cli_state *cli, enum chown_mode change_mode,
 579                         const char *filename, const char *new_username)
 580 {
 581         int fnum;
 582         DOM_SID sid;
 583         SEC_DESC *sd, *old;
 584         size_t sd_size;
 585
 586         fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
 587
 588         if (fnum == -1) {
 589                 printf("Failed to open %s: %s\n", filename, cli_errstr(cli));
 590                 return EXIT_FAILED;
 591         }
 592
 593         if (!StringToSid(cli, &sid, new_username))
 594                 return EXIT_PARSE_ERROR;
 595
 596         old = cli_query_secdesc(cli, fnum, talloc_tos());
 597
 598         cli_close(cli, fnum);
 599
 600         if (!old) {
 601                 printf("owner_set: Failed to query old descriptor\n");
 602                 return EXIT_FAILED;
 603         }
 604
 605         sd = make_sec_desc(talloc_tos(),old->revision, old->type,
 606                                 (change_mode == REQUEST_CHOWN) ? &sid : NULL,
 607                                 (change_mode == REQUEST_CHGRP) ? &sid : NULL,
 608                            NULL, NULL, &sd_size);
 609
 610         fnum = cli_nt_create(cli, filename, WRITE_OWNER_ACCESS);
 611
 612         if (fnum == -1) {
 613                 printf("Failed to open %s: %s\n", filename, cli_errstr(cli));
 614                 return EXIT_FAILED;
 615         }
 616
 617         if (!cli_set_secdesc(cli, fnum, sd)) {
 618                 printf("ERROR: secdesc set failed: %s\n", cli_errstr(cli));
 619         }
 620
 621         cli_close(cli, fnum);
 622
 623         return EXIT_OK;
 624 }
 625
 626
 627 /* The MSDN is contradictory over the ordering of ACE entries in an ACL.
 628    However NT4 gives a "The information may have been modified by a
 629    computer running Windows NT 5.0" if denied ACEs do not appear before
 630    allowed ACEs. */
 631
 632 static int ace_compare(SEC_ACE *ace1, SEC_ACE *ace2)
 633 {
 634         if (sec_ace_equal(ace1, ace2))
 635                 return 0;
 636
 637         if (ace1->type != ace2->type)
 638                 return ace2->type - ace1->type;
 639
 640         if (sid_compare(&ace1->trustee, &ace2->trustee))
 641                 return sid_compare(&ace1->trustee, &ace2->trustee);
 642
 643         if (ace1->flags != ace2->flags)
 644                 return ace1->flags - ace2->flags;
 645
 646         if (ace1->access_mask != ace2->access_mask)
 647                 return ace1->access_mask - ace2->access_mask;
 648
 649         if (ace1->size != ace2->size)
 650                 return ace1->size - ace2->size;
 651
 652         return memcmp(ace1, ace2, sizeof(SEC_ACE));
 653 }
 654
 655 static void sort_acl(SEC_ACL *the_acl)
 656 {
 657         uint32 i;
 658         if (!the_acl) return;
 659
 660         qsort(the_acl->aces, the_acl->num_aces, sizeof(the_acl->aces[0]), QSORT_CAST ace_compare);
 661
 662         for (i=1;i<the_acl->num_aces;) {
 663                 if (sec_ace_equal(&the_acl->aces[i-1], &the_acl->aces[i])) {
 664                         int j;
 665                         for (j=i; j<the_acl->num_aces-1; j++) {
 666                                 the_acl->aces[j] = the_acl->aces[j+1];
 667                         }
 668                         the_acl->num_aces--;
 669                 } else {
 670                         i++;
 671                 }
 672         }
 673 }
 674
 675 /*****************************************************
 676 set the ACLs on a file given an ascii description
 677 *******************************************************/
 678 static int cacl_set(struct cli_state *cli, char *filename,
 679                     char *the_acl, enum acl_mode mode)
 680 {
 681         int fnum;
 682         SEC_DESC *sd, *old;
 683         uint32 i, j;
 684         size_t sd_size;
 685         int result = EXIT_OK;
 686
 687         sd = sec_desc_parse(talloc_tos(), cli, the_acl);
 688
 689         if (!sd) return EXIT_PARSE_ERROR;
 690         if (test_args) return EXIT_OK;
 691
 692         /* The desired access below is the only one I could find that works
 693            with NT4, W2KP and Samba */
 694
 695         fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
 696
 697         if (fnum == -1) {
 698                 printf("cacl_set failed to open %s: %s\n", filename, cli_errstr(cli));
 699                 return EXIT_FAILED;
 700         }
 701
 702         old = cli_query_secdesc(cli, fnum, talloc_tos());
 703
 704         if (!old) {
 705                 printf("calc_set: Failed to query old descriptor\n");
 706                 return EXIT_FAILED;
 707         }
 708
 709         cli_close(cli, fnum);
 710
 711         /* the logic here is rather more complex than I would like */
 712         switch (mode) {
 713         case SMB_ACL_DELETE:
 714                 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
 715                         bool found = False;
 716
 717                         for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
 718                                 if (sec_ace_equal(&sd->dacl->aces[i],
 719                                                   &old->dacl->aces[j])) {
 720                                         uint32 k;
 721                                         for (k=j; k<old->dacl->num_aces-1;k++) {
 722                                                 old->dacl->aces[k] = old->dacl->aces[k+1];
 723                                         }
 724                                         old->dacl->num_aces--;
 725                                         found = True;
 726                                         break;
 727                                 }
 728                         }
 729
 730                         if (!found) {
 731                                 printf("ACL for ACE:");
 732                                 print_ace(cli, stdout, &sd->dacl->aces[i]);
 733                                 printf(" not found\n");
 734                         }
 735                 }
 736                 break;
 737
 738         case SMB_ACL_MODIFY:
 739                 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
 740                         bool found = False;
 741
 742                         for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
 743                                 if (sid_equal(&sd->dacl->aces[i].trustee,
 744                                               &old->dacl->aces[j].trustee)) {
 745                                         old->dacl->aces[j] = sd->dacl->aces[i];
 746                                         found = True;
 747                                 }
 748                         }
 749
 750                         if (!found) {
 751                                 fstring str;
 752
 753                                 SidToString(cli, str,
 754                                             &sd->dacl->aces[i].trustee);
 755                                 printf("ACL for SID %s not found\n", str);
 756                         }
 757                 }
 758
 759                 if (sd->owner_sid) {
 760                         old->owner_sid = sd->owner_sid;
 761                 }
 762
 763                 if (sd->group_sid) {
 764                         old->group_sid = sd->group_sid;
 765                 }
 766
 767                 break;
 768
 769         case SMB_ACL_ADD:
 770                 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
 771                         add_ace(&old->dacl, &sd->dacl->aces[i]);
 772                 }
 773                 break;
 774
 775         case SMB_ACL_SET:
 776                 old = sd;
 777                 break;
 778         }
 779
 780         /* Denied ACE entries must come before allowed ones */
 781         sort_acl(old->dacl);
 782
 783         /* Create new security descriptor and set it */
 784
 785         /* We used to just have "WRITE_DAC_ACCESS" without WRITE_OWNER.
 786            But if we're sending an owner, even if it's the same as the one
 787            that already exists then W2K3 insists we open with WRITE_OWNER access.
 788            I need to check that setting a SD with no owner set works against WNT
 789            and W2K. JRA.
 790         */
 791
 792         sd = make_sec_desc(talloc_tos(),old->revision, old->type,
 793                            old->owner_sid, old->group_sid,
 794                            NULL, old->dacl, &sd_size);
 795
 796         fnum = cli_nt_create(cli, filename, WRITE_DAC_ACCESS|WRITE_OWNER_ACCESS);
 797
 798         if (fnum == -1) {
 799                 printf("cacl_set failed to open %s: %s\n", filename, cli_errstr(cli));
 800                 return EXIT_FAILED;
 801         }
 802
 803         if (!cli_set_secdesc(cli, fnum, sd)) {
 804                 printf("ERROR: secdesc set failed: %s\n", cli_errstr(cli));
 805                 result = EXIT_FAILED;
 806         }
 807
 808         /* Clean up */
 809
 810         cli_close(cli, fnum);
 811
 812         return result;
 813 }
 814
 815
 816 /*****************************************************
 817  Return a connection to a server.
 818 *******************************************************/
 819 static struct cli_state *connect_one(const char *server, const char *share)
 820 {
 821         struct cli_state *c = NULL;
 822         struct sockaddr_storage ss;
 823         NTSTATUS nt_status;
 824         uint32_t flags = 0;
 825
 826         zero_addr(&ss);
 827
 828         if (get_cmdline_auth_info_use_kerberos()) {
 829                 flags |= CLI_FULL_CONNECTION_USE_KERBEROS |
 830                          CLI_FULL_CONNECTION_FALLBACK_AFTER_KERBEROS;
 831         }
 832
 833         if (get_cmdline_auth_info_use_machine_account() &&
 834             !set_cmdline_auth_info_machine_account_creds()) {
 835                 return NULL;
 836         }
 837
 838         if (!get_cmdline_auth_info_got_pass()) {
 839                 char *pass = getpass("Password: ");
 840                 if (pass) {
 841                         set_cmdline_auth_info_password(pass);
 842                 }
 843         }
 844
 845         nt_status = cli_full_connection(&c, global_myname(), server,
 846                                 &ss, 0,
 847                                 share, "?????",
 848                                 get_cmdline_auth_info_username(),
 849                                 lp_workgroup(),
 850                                 get_cmdline_auth_info_password(),
 851                                 flags,
 852                                 get_cmdline_auth_info_signing_state(),
 853                                 NULL);
 854         if (!NT_STATUS_IS_OK(nt_status)) {
 855                 DEBUG(0,("cli_full_connection failed! (%s)\n", nt_errstr(nt_status)));
 856                 return NULL;
 857         }
 858
 859         if (get_cmdline_auth_info_smb_encrypt()) {
 860                 nt_status = cli_cm_force_encryption(c,
 861                                         get_cmdline_auth_info_username(),
 862                                         get_cmdline_auth_info_password(),
 863                                         lp_workgroup(),
 864                                         share);
 865                 if (!NT_STATUS_IS_OK(nt_status)) {
 866                         cli_shutdown(c);
 867                         c = NULL;
 868                 }
 869         }
 870
 871         return c;
 872 }
 873
 874 /****************************************************************************
 875   main program
 876 ****************************************************************************/
 877  int main(int argc, const char *argv[])
 878 {
 879         char *share;
 880         int opt;
 881         enum acl_mode mode = SMB_ACL_SET;
 882         static char *the_acl = NULL;
 883         enum chown_mode change_mode = REQUEST_NONE;
 884         int result;
 885         char *path;
 886         char *filename = NULL;
 887         poptContext pc;
 888         struct poptOption long_options[] = {
 889                 POPT_AUTOHELP
 890                 { "delete", 'D', POPT_ARG_STRING, NULL, 'D', "Delete an acl", "ACL" },
 891                 { "modify", 'M', POPT_ARG_STRING, NULL, 'M', "Modify an acl", "ACL" },
 892                 { "add", 'a', POPT_ARG_STRING, NULL, 'a', "Add an acl", "ACL" },
 893                 { "set", 'S', POPT_ARG_STRING, NULL, 'S', "Set acls", "ACLS" },
 894                 { "chown", 'C', POPT_ARG_STRING, NULL, 'C', "Change ownership of a file", "USERNAME" },
 895                 { "chgrp", 'G', POPT_ARG_STRING, NULL, 'G', "Change group ownership of a file", "GROUPNAME" },
 896                 { "numeric", 0, POPT_ARG_NONE, &numeric, True, "Don't resolve sids or masks to names" },
 897                 { "test-args", 't', POPT_ARG_NONE, &test_args, True, "Test arguments"},
 898                 POPT_COMMON_SAMBA
 899                 POPT_COMMON_CREDENTIALS
 900                 { NULL }
 901         };
 902
 903         struct cli_state *cli;
 904         TALLOC_CTX *frame = talloc_stackframe();
 905         const char *owner_username = "";
 906         char *server;
 907
 908         load_case_tables();
 909
 910
 911         /* set default debug level to 1 regardless of what smb.conf sets */
 912         setup_logging( "smbcacls", True );
 913         DEBUGLEVEL_CLASS[DBGC_ALL] = 1;
 914         dbf = x_stderr;
 915         x_setbuf( x_stderr, NULL );
 916
 917         setlinebuf(stdout);
 918
 919         lp_load(get_dyn_CONFIGFILE(),True,False,False,True);
 920         load_interfaces();
 921
 922         pc = poptGetContext("smbcacls", argc, argv, long_options, 0);
 923
 924         poptSetOtherOptionHelp(pc, "//server1/share1 filename\nACLs look like: "
 925                 "'ACL:user:[ALLOWED|DENIED]/flags/permissions'");
 926
 927         while ((opt = poptGetNextOpt(pc)) != -1) {
 928                 switch (opt) {
 929                 case 'S':
 930                         the_acl = smb_xstrdup(poptGetOptArg(pc));
 931                         mode = SMB_ACL_SET;
 932                         break;
 933
 934                 case 'D':
 935                         the_acl = smb_xstrdup(poptGetOptArg(pc));
 936                         mode = SMB_ACL_DELETE;
 937                         break;
 938
 939                 case 'M':
 940                         the_acl = smb_xstrdup(poptGetOptArg(pc));
 941                         mode = SMB_ACL_MODIFY;
 942                         break;
 943
 944                 case 'a':
 945                         the_acl = smb_xstrdup(poptGetOptArg(pc));
 946                         mode = SMB_ACL_ADD;
 947                         break;
 948
 949                 case 'C':
 950                         owner_username = poptGetOptArg(pc);
 951                         change_mode = REQUEST_CHOWN;
 952                         break;
 953
 954                 case 'G':
 955                         owner_username = poptGetOptArg(pc);
 956                         change_mode = REQUEST_CHGRP;
 957                         break;
 958                 }
 959         }
 960
 961         /* Make connection to server */
 962         if(!poptPeekArg(pc)) {
 963                 poptPrintUsage(pc, stderr, 0);
 964                 return -1;
 965         }
 966
 967         path = talloc_strdup(frame, poptGetArg(pc));
 968         if (!path) {
 969                 return -1;
 970         }
 971
 972         if(!poptPeekArg(pc)) {
 973                 poptPrintUsage(pc, stderr, 0);
 974                 return -1;
 975         }
 976
 977         filename = talloc_strdup(frame, poptGetArg(pc));
 978         if (!filename) {
 979                 return -1;
 980         }
 981
 982         string_replace(path,'/','\\');
 983
 984         server = talloc_strdup(frame, path+2);
 985         if (!server) {
 986                 return -1;
 987         }
 988         share = strchr_m(server,'\\');
 989         if (!share) {
 990                 printf("Invalid argument: %s\n", share);
 991                 return -1;
 992         }
 993
 994         *share = 0;
 995         share++;
 996
 997         if (!test_args) {
 998                 cli = connect_one(server, share);
 999                 if (!cli) {
1000                         exit(EXIT_FAILED);
1001                 }
1002         } else {
1003                 exit(0);
1004         }
1005
1006         string_replace(filename, '/', '\\');
1007         if (filename[0] != '\\') {
1008                 filename = talloc_asprintf(frame,
1009                                 "\\%s",
1010                                 filename);
1011                 if (!filename) {
1012                         return -1;
1013                 }
1014         }
1015
1016         /* Perform requested action */
1017
1018         if (change_mode != REQUEST_NONE) {
1019                 result = owner_set(cli, change_mode, filename, owner_username);
1020         } else if (the_acl) {
1021                 result = cacl_set(cli, filename, the_acl, mode);
1022         } else {
1023                 result = cacl_dump(cli, filename);
1024         }
1025
1026         TALLOC_FREE(frame);
1027
1028         return result;
1029 }