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 #include "popt_common.h"
  26 #include "rpc_client/cli_pipe.h"
  27 #include "../librpc/gen_ndr/ndr_lsa.h"
  28 #include "rpc_client/cli_lsarpc.h"
  29 #include "../libcli/security/security.h"
  30 #include "libsmb/clirap.h"
  31 #include "passdb/machine_sid.h"
  32
  33 static int test_args;
  34
  35 #define CREATE_ACCESS_READ READ_CONTROL_ACCESS
  36
  37 /* numeric is set when the user wants numeric SIDs and ACEs rather
  38    than going via LSA calls to resolve them */
  39 static int numeric;
  40
  41 static int sddl;
  42
  43 enum acl_mode {SMB_ACL_SET, SMB_ACL_DELETE, SMB_ACL_MODIFY, SMB_ACL_ADD };
  44 enum chown_mode {REQUEST_NONE, REQUEST_CHOWN, REQUEST_CHGRP, REQUEST_INHERIT};
  45 enum exit_values {EXIT_OK, EXIT_FAILED, EXIT_PARSE_ERROR};
  46
  47 struct perm_value {
  48         const char *perm;
  49         uint32 mask;
  50 };
  51
  52 /* These values discovered by inspection */
  53
  54 static const struct perm_value special_values[] = {
  55         { "R", 0x00120089 },
  56         { "W", 0x00120116 },
  57         { "X", 0x001200a0 },
  58         { "D", 0x00010000 },
  59         { "P", 0x00040000 },
  60         { "O", 0x00080000 },
  61         { NULL, 0 },
  62 };
  63
  64 static const struct perm_value standard_values[] = {
  65         { "READ",   0x001200a9 },
  66         { "CHANGE", 0x001301bf },
  67         { "FULL",   0x001f01ff },
  68         { NULL, 0 },
  69 };
  70
  71 /* Open cli connection and policy handle */
  72
  73 static NTSTATUS cli_lsa_lookup_sid(struct cli_state *cli,
  74                                    const struct dom_sid *sid,
  75                                    TALLOC_CTX *mem_ctx,
  76                                    enum lsa_SidType *type,
  77                                    char **domain, char **name)
  78 {
  79         uint16 orig_cnum = cli->cnum;
  80         struct rpc_pipe_client *p = NULL;
  81         struct policy_handle handle;
  82         NTSTATUS status;
  83         TALLOC_CTX *frame = talloc_stackframe();
  84         enum lsa_SidType *types;
  85         char **domains;
  86         char **names;
  87
  88         status = cli_tcon_andx(cli, "IPC$", "?????", "", 0);
  89         if (!NT_STATUS_IS_OK(status)) {
  90                 return status;
  91         }
  92
  93         status = cli_rpc_pipe_open_noauth(cli, &ndr_table_lsarpc.syntax_id,
  94                                           &p);
  95         if (!NT_STATUS_IS_OK(status)) {
  96                 goto fail;
  97         }
  98
  99         status = rpccli_lsa_open_policy(p, talloc_tos(), True,
 100                                         GENERIC_EXECUTE_ACCESS, &handle);
 101         if (!NT_STATUS_IS_OK(status)) {
 102                 goto fail;
 103         }
 104
 105         status = rpccli_lsa_lookup_sids(p, talloc_tos(), &handle, 1, sid,
 106                                         &domains, &names, &types);
 107         if (!NT_STATUS_IS_OK(status)) {
 108                 goto fail;
 109         }
 110
 111         *type = types[0];
 112         *domain = talloc_move(mem_ctx, &domains[0]);
 113         *name = talloc_move(mem_ctx, &names[0]);
 114
 115         status = NT_STATUS_OK;
 116  fail:
 117         TALLOC_FREE(p);
 118         cli_tdis(cli);
 119         cli->cnum = orig_cnum;
 120         TALLOC_FREE(frame);
 121         return status;
 122 }
 123
 124 static NTSTATUS cli_lsa_lookup_name(struct cli_state *cli,
 125                                     const char *name,
 126                                     enum lsa_SidType *type,
 127                                     struct dom_sid *sid)
 128 {
 129         uint16 orig_cnum = cli->cnum;
 130         struct rpc_pipe_client *p;
 131         struct policy_handle handle;
 132         NTSTATUS status;
 133         TALLOC_CTX *frame = talloc_stackframe();
 134         struct dom_sid *sids;
 135         enum lsa_SidType *types;
 136
 137         status = cli_tcon_andx(cli, "IPC$", "?????", "", 0);
 138         if (!NT_STATUS_IS_OK(status)) {
 139                 return status;
 140         }
 141
 142         status = cli_rpc_pipe_open_noauth(cli, &ndr_table_lsarpc.syntax_id,
 143                                           &p);
 144         if (!NT_STATUS_IS_OK(status)) {
 145                 goto fail;
 146         }
 147
 148         status = rpccli_lsa_open_policy(p, talloc_tos(), True,
 149                                         GENERIC_EXECUTE_ACCESS, &handle);
 150         if (!NT_STATUS_IS_OK(status)) {
 151                 goto fail;
 152         }
 153
 154         status = rpccli_lsa_lookup_names(p, talloc_tos(), &handle, 1, &name,
 155                                          NULL, 1, &sids, &types);
 156         if (!NT_STATUS_IS_OK(status)) {
 157                 goto fail;
 158         }
 159
 160         *type = types[0];
 161         *sid = sids[0];
 162
 163         status = NT_STATUS_OK;
 164  fail:
 165         TALLOC_FREE(p);
 166         cli_tdis(cli);
 167         cli->cnum = orig_cnum;
 168         TALLOC_FREE(frame);
 169         return status;
 170 }
 171
 172 /* convert a SID to a string, either numeric or username/group */
 173 static void SidToString(struct cli_state *cli, fstring str, const struct dom_sid *sid)
 174 {
 175         char *domain = NULL;
 176         char *name = NULL;
 177         enum lsa_SidType type;
 178         NTSTATUS status;
 179
 180         sid_to_fstring(str, sid);
 181
 182         if (numeric) {
 183                 return;
 184         }
 185
 186         status = cli_lsa_lookup_sid(cli, sid, talloc_tos(), &type,
 187                                     &domain, &name);
 188
 189         if (!NT_STATUS_IS_OK(status)) {
 190                 return;
 191         }
 192
 193         if (*domain) {
 194                 slprintf(str, sizeof(fstring) - 1, "%s%s%s",
 195                         domain, lp_winbind_separator(), name);
 196         } else {
 197                 fstrcpy(str, name);
 198         }
 199 }
 200
 201 /* convert a string to a SID, either numeric or username/group */
 202 static bool StringToSid(struct cli_state *cli, struct dom_sid *sid, const char *str)
 203 {
 204         enum lsa_SidType type;
 205
 206         if (string_to_sid(sid, str)) {
 207                 return true;
 208         }
 209
 210         return NT_STATUS_IS_OK(cli_lsa_lookup_name(cli, str, &type, sid));
 211 }
 212
 213 static void print_ace_flags(FILE *f, uint8_t flags)
 214 {
 215         char *str = talloc_strdup(NULL, "");
 216
 217         if (!str) {
 218                 goto out;
 219         }
 220
 221         if (flags & SEC_ACE_FLAG_OBJECT_INHERIT) {
 222                 str = talloc_asprintf(str, "%s%s",
 223                                 str, "OI|");
 224                 if (!str) {
 225                         goto out;
 226                 }
 227         }
 228         if (flags & SEC_ACE_FLAG_CONTAINER_INHERIT) {
 229                 str = talloc_asprintf(str, "%s%s",
 230                                 str, "CI|");
 231                 if (!str) {
 232                         goto out;
 233                 }
 234         }
 235         if (flags & SEC_ACE_FLAG_NO_PROPAGATE_INHERIT) {
 236                 str = talloc_asprintf(str, "%s%s",
 237                                 str, "NP|");
 238                 if (!str) {
 239                         goto out;
 240                 }
 241         }
 242         if (flags & SEC_ACE_FLAG_INHERIT_ONLY) {
 243                 str = talloc_asprintf(str, "%s%s",
 244                                 str, "IO|");
 245                 if (!str) {
 246                         goto out;
 247                 }
 248         }
 249         if (flags & SEC_ACE_FLAG_INHERITED_ACE) {
 250                 str = talloc_asprintf(str, "%s%s",
 251                                 str, "I|");
 252                 if (!str) {
 253                         goto out;
 254                 }
 255         }
 256         /* Ignore define SEC_ACE_FLAG_SUCCESSFUL_ACCESS ( 0x40 )
 257            and SEC_ACE_FLAG_FAILED_ACCESS ( 0x80 ) as they're
 258            audit ace flags. */
 259
 260         if (str[strlen(str)-1] == '|') {
 261                 str[strlen(str)-1] = '\0';
 262                 fprintf(f, "/%s/", str);
 263         } else {
 264                 fprintf(f, "/0x%x/", flags);
 265         }
 266         TALLOC_FREE(str);
 267         return;
 268
 269   out:
 270         fprintf(f, "/0x%x/", flags);
 271 }
 272
 273 /* print an ACE on a FILE, using either numeric or ascii representation */
 274 static void print_ace(struct cli_state *cli, FILE *f, struct security_ace *ace)
 275 {
 276         const struct perm_value *v;
 277         fstring sidstr;
 278         int do_print = 0;
 279         uint32 got_mask;
 280
 281         SidToString(cli, sidstr, &ace->trustee);
 282
 283         fprintf(f, "%s:", sidstr);
 284
 285         if (numeric) {
 286                 fprintf(f, "%d/0x%x/0x%08x",
 287                         ace->type, ace->flags, ace->access_mask);
 288                 return;
 289         }
 290
 291         /* Ace type */
 292
 293         if (ace->type == SEC_ACE_TYPE_ACCESS_ALLOWED) {
 294                 fprintf(f, "ALLOWED");
 295         } else if (ace->type == SEC_ACE_TYPE_ACCESS_DENIED) {
 296                 fprintf(f, "DENIED");
 297         } else {
 298                 fprintf(f, "%d", ace->type);
 299         }
 300
 301         print_ace_flags(f, ace->flags);
 302
 303         /* Standard permissions */
 304
 305         for (v = standard_values; v->perm; v++) {
 306                 if (ace->access_mask == v->mask) {
 307                         fprintf(f, "%s", v->perm);
 308                         return;
 309                 }
 310         }
 311
 312         /* Special permissions.  Print out a hex value if we have
 313            leftover bits in the mask. */
 314
 315         got_mask = ace->access_mask;
 316
 317  again:
 318         for (v = special_values; v->perm; v++) {
 319                 if ((ace->access_mask & v->mask) == v->mask) {
 320                         if (do_print) {
 321                                 fprintf(f, "%s", v->perm);
 322                         }
 323                         got_mask &= ~v->mask;
 324                 }
 325         }
 326
 327         if (!do_print) {
 328                 if (got_mask != 0) {
 329                         fprintf(f, "0x%08x", ace->access_mask);
 330                 } else {
 331                         do_print = 1;
 332                         goto again;
 333                 }
 334         }
 335 }
 336
 337 static bool parse_ace_flags(const char *str, unsigned int *pflags)
 338 {
 339         const char *p = str;
 340         *pflags = 0;
 341
 342         while (*p) {
 343                 if (strnequal(p, "OI", 2)) {
 344                         *pflags |= SEC_ACE_FLAG_OBJECT_INHERIT;
 345                         p += 2;
 346                 } else if (strnequal(p, "CI", 2)) {
 347                         *pflags |= SEC_ACE_FLAG_CONTAINER_INHERIT;
 348                         p += 2;
 349                 } else if (strnequal(p, "NP", 2)) {
 350                         *pflags |= SEC_ACE_FLAG_NO_PROPAGATE_INHERIT;
 351                         p += 2;
 352                 } else if (strnequal(p, "IO", 2)) {
 353                         *pflags |= SEC_ACE_FLAG_INHERIT_ONLY;
 354                         p += 2;
 355                 } else if (*p == 'I') {
 356                         *pflags |= SEC_ACE_FLAG_INHERITED_ACE;
 357                         p += 1;
 358                 } else if (*p) {
 359                         return false;
 360                 }
 361
 362                 if (*p != '|' && *p != '\0') {
 363                         return false;
 364                 }
 365         }
 366         return true;
 367 }
 368
 369 /* parse an ACE in the same format as print_ace() */
 370 static bool parse_ace(struct cli_state *cli, struct security_ace *ace,
 371                       const char *orig_str)
 372 {
 373         char *p;
 374         const char *cp;
 375         char *tok;
 376         unsigned int atype = 0;
 377         unsigned int aflags = 0;
 378         unsigned int amask = 0;
 379         struct dom_sid sid;
 380         uint32_t mask;
 381         const struct perm_value *v;
 382         char *str = SMB_STRDUP(orig_str);
 383         TALLOC_CTX *frame = talloc_stackframe();
 384
 385         if (!str) {
 386                 TALLOC_FREE(frame);
 387                 return False;
 388         }
 389
 390         ZERO_STRUCTP(ace);
 391         p = strchr_m(str,':');
 392         if (!p) {
 393                 printf("ACE '%s': missing ':'.\n", orig_str);
 394                 SAFE_FREE(str);
 395                 TALLOC_FREE(frame);
 396                 return False;
 397         }
 398         *p = '\0';
 399         p++;
 400         /* Try to parse numeric form */
 401
 402         if (sscanf(p, "%i/%i/%i", &atype, &aflags, &amask) == 3 &&
 403             StringToSid(cli, &sid, str)) {
 404                 goto done;
 405         }
 406
 407         /* Try to parse text form */
 408
 409         if (!StringToSid(cli, &sid, str)) {
 410                 printf("ACE '%s': failed to convert '%s' to SID\n",
 411                         orig_str, str);
 412                 SAFE_FREE(str);
 413                 TALLOC_FREE(frame);
 414                 return False;
 415         }
 416
 417         cp = p;
 418         if (!next_token_talloc(frame, &cp, &tok, "/")) {
 419                 printf("ACE '%s': failed to find '/' character.\n",
 420                         orig_str);
 421                 SAFE_FREE(str);
 422                 TALLOC_FREE(frame);
 423                 return False;
 424         }
 425
 426         if (strncmp(tok, "ALLOWED", strlen("ALLOWED")) == 0) {
 427                 atype = SEC_ACE_TYPE_ACCESS_ALLOWED;
 428         } else if (strncmp(tok, "DENIED", strlen("DENIED")) == 0) {
 429                 atype = SEC_ACE_TYPE_ACCESS_DENIED;
 430         } else {
 431                 printf("ACE '%s': missing 'ALLOWED' or 'DENIED' entry at '%s'\n",
 432                         orig_str, tok);
 433                 SAFE_FREE(str);
 434                 TALLOC_FREE(frame);
 435                 return False;
 436         }
 437
 438         /* Only numeric form accepted for flags at present */
 439
 440         if (!next_token_talloc(frame, &cp, &tok, "/")) {
 441                 printf("ACE '%s': bad flags entry at '%s'\n",
 442                         orig_str, tok);
 443                 SAFE_FREE(str);
 444                 TALLOC_FREE(frame);
 445                 return False;
 446         }
 447
 448         if (tok[0] < '0' || tok[0] > '9') {
 449                 if (!parse_ace_flags(tok, &aflags)) {
 450                         printf("ACE '%s': bad named flags entry at '%s'\n",
 451                                 orig_str, tok);
 452                         SAFE_FREE(str);
 453                         TALLOC_FREE(frame);
 454                         return False;
 455                 }
 456         } else if (strnequal(tok, "0x", 2)) {
 457                 if (!sscanf(tok, "%x", &aflags)) {
 458                         printf("ACE '%s': bad hex flags entry at '%s'\n",
 459                                 orig_str, tok);
 460                         SAFE_FREE(str);
 461                         TALLOC_FREE(frame);
 462                         return False;
 463                 }
 464         } else {
 465                 if (!sscanf(tok, "%i", &aflags)) {
 466                         printf("ACE '%s': bad integer flags entry at '%s'\n",
 467                                 orig_str, tok);
 468                         SAFE_FREE(str);
 469                         TALLOC_FREE(frame);
 470                         return False;
 471                 }
 472         }
 473
 474         if (!next_token_talloc(frame, &cp, &tok, "/")) {
 475                 printf("ACE '%s': missing / at '%s'\n",
 476                         orig_str, tok);
 477                 SAFE_FREE(str);
 478                 TALLOC_FREE(frame);
 479                 return False;
 480         }
 481
 482         if (strncmp(tok, "0x", 2) == 0) {
 483                 if (sscanf(tok, "%i", &amask) != 1) {
 484                         printf("ACE '%s': bad hex number at '%s'\n",
 485                                 orig_str, tok);
 486                         SAFE_FREE(str);
 487                         TALLOC_FREE(frame);
 488                         return False;
 489                 }
 490                 goto done;
 491         }
 492
 493         for (v = standard_values; v->perm; v++) {
 494                 if (strcmp(tok, v->perm) == 0) {
 495                         amask = v->mask;
 496                         goto done;
 497                 }
 498         }
 499
 500         p = tok;
 501
 502         while(*p) {
 503                 bool found = False;
 504
 505                 for (v = special_values; v->perm; v++) {
 506                         if (v->perm[0] == *p) {
 507                                 amask |= v->mask;
 508                                 found = True;
 509                         }
 510                 }
 511
 512                 if (!found) {
 513                         printf("ACE '%s': bad permission value at '%s'\n",
 514                                 orig_str, p);
 515                         SAFE_FREE(str);
 516                         TALLOC_FREE(frame);
 517                         return False;
 518                 }
 519                 p++;
 520         }
 521
 522         if (*p) {
 523                 TALLOC_FREE(frame);
 524                 SAFE_FREE(str);
 525                 return False;
 526         }
 527
 528  done:
 529         mask = amask;
 530         init_sec_ace(ace, &sid, atype, mask, aflags);
 531         TALLOC_FREE(frame);
 532         SAFE_FREE(str);
 533         return True;
 534 }
 535
 536 /* add an ACE to a list of ACEs in a struct security_acl */
 537 static bool add_ace(struct security_acl **the_acl, struct security_ace *ace)
 538 {
 539         struct security_acl *new_ace;
 540         struct security_ace *aces;
 541         if (! *the_acl) {
 542                 return (((*the_acl) = make_sec_acl(talloc_tos(), 3, 1, ace))
 543                         != NULL);
 544         }
 545
 546         if (!(aces = SMB_CALLOC_ARRAY(struct security_ace, 1+(*the_acl)->num_aces))) {
 547                 return False;
 548         }
 549         memcpy(aces, (*the_acl)->aces, (*the_acl)->num_aces * sizeof(struct
 550         security_ace));
 551         memcpy(aces+(*the_acl)->num_aces, ace, sizeof(struct security_ace));
 552         new_ace = make_sec_acl(talloc_tos(),(*the_acl)->revision,1+(*the_acl)->num_aces, aces);
 553         SAFE_FREE(aces);
 554         (*the_acl) = new_ace;
 555         return True;
 556 }
 557
 558 /* parse a ascii version of a security descriptor */
 559 static struct security_descriptor *sec_desc_parse(TALLOC_CTX *ctx, struct cli_state *cli, char *str)
 560 {
 561         const char *p = str;
 562         char *tok;
 563         struct security_descriptor *ret = NULL;
 564         size_t sd_size;
 565         struct dom_sid *grp_sid=NULL, *owner_sid=NULL;
 566         struct security_acl *dacl=NULL;
 567         int revision=1;
 568
 569         while (next_token_talloc(ctx, &p, &tok, "\t,\r\n")) {
 570                 if (strncmp(tok,"REVISION:", 9) == 0) {
 571                         revision = strtol(tok+9, NULL, 16);
 572                         continue;
 573                 }
 574
 575                 if (strncmp(tok,"OWNER:", 6) == 0) {
 576                         if (owner_sid) {
 577                                 printf("Only specify owner once\n");
 578                                 goto done;
 579                         }
 580                         owner_sid = SMB_CALLOC_ARRAY(struct dom_sid, 1);
 581                         if (!owner_sid ||
 582                             !StringToSid(cli, owner_sid, tok+6)) {
 583                                 printf("Failed to parse owner sid\n");
 584                                 goto done;
 585                         }
 586                         continue;
 587                 }
 588
 589                 if (strncmp(tok,"GROUP:", 6) == 0) {
 590                         if (grp_sid) {
 591                                 printf("Only specify group once\n");
 592                                 goto done;
 593                         }
 594                         grp_sid = SMB_CALLOC_ARRAY(struct dom_sid, 1);
 595                         if (!grp_sid ||
 596                             !StringToSid(cli, grp_sid, tok+6)) {
 597                                 printf("Failed to parse group sid\n");
 598                                 goto done;
 599                         }
 600                         continue;
 601                 }
 602
 603                 if (strncmp(tok,"ACL:", 4) == 0) {
 604                         struct security_ace ace;
 605                         if (!parse_ace(cli, &ace, tok+4)) {
 606                                 goto done;
 607                         }
 608                         if(!add_ace(&dacl, &ace)) {
 609                                 printf("Failed to add ACL %s\n", tok);
 610                                 goto done;
 611                         }
 612                         continue;
 613                 }
 614
 615                 printf("Failed to parse token '%s' in security descriptor,\n", tok);
 616                 goto done;
 617         }
 618
 619         ret = make_sec_desc(ctx,revision, SEC_DESC_SELF_RELATIVE, owner_sid, grp_sid,
 620                             NULL, dacl, &sd_size);
 621
 622   done:
 623         SAFE_FREE(grp_sid);
 624         SAFE_FREE(owner_sid);
 625
 626         return ret;
 627 }
 628
 629
 630 /* print a ascii version of a security descriptor on a FILE handle */
 631 static void sec_desc_print(struct cli_state *cli, FILE *f, struct security_descriptor *sd)
 632 {
 633         fstring sidstr;
 634         uint32 i;
 635
 636         fprintf(f, "REVISION:%d\n", sd->revision);
 637         fprintf(f, "CONTROL:0x%x\n", sd->type);
 638
 639         /* Print owner and group sid */
 640
 641         if (sd->owner_sid) {
 642                 SidToString(cli, sidstr, sd->owner_sid);
 643         } else {
 644                 fstrcpy(sidstr, "");
 645         }
 646
 647         fprintf(f, "OWNER:%s\n", sidstr);
 648
 649         if (sd->group_sid) {
 650                 SidToString(cli, sidstr, sd->group_sid);
 651         } else {
 652                 fstrcpy(sidstr, "");
 653         }
 654
 655         fprintf(f, "GROUP:%s\n", sidstr);
 656
 657         /* Print aces */
 658         for (i = 0; sd->dacl && i < sd->dacl->num_aces; i++) {
 659                 struct security_ace *ace = &sd->dacl->aces[i];
 660                 fprintf(f, "ACL:");
 661                 print_ace(cli, f, ace);
 662                 fprintf(f, "\n");
 663         }
 664
 665 }
 666
 667 /*****************************************************
 668 get fileinfo for filename
 669 *******************************************************/
 670 static uint16 get_fileinfo(struct cli_state *cli, const char *filename)
 671 {
 672         uint16_t fnum = (uint16_t)-1;
 673         uint16 mode = 0;
 674         NTSTATUS status;
 675
 676         /* The desired access below is the only one I could find that works
 677            with NT4, W2KP and Samba */
 678
 679         status = cli_ntcreate(cli, filename, 0, CREATE_ACCESS_READ,
 680                               0, FILE_SHARE_READ|FILE_SHARE_WRITE,
 681                               FILE_OPEN, 0x0, 0x0, &fnum);
 682         if (!NT_STATUS_IS_OK(status)) {
 683                 printf("Failed to open %s: %s\n", filename, nt_errstr(status));
 684                 return 0;
 685         }
 686
 687         status = cli_qfileinfo_basic(cli, fnum, &mode, NULL, NULL, NULL,
 688                                      NULL, NULL, NULL);
 689         if (!NT_STATUS_IS_OK(status)) {
 690                 printf("Failed to file info %s: %s\n", filename,
 691                        nt_errstr(status));
 692         }
 693
 694         cli_close(cli, fnum);
 695
 696         return mode;
 697 }
 698
 699 /*****************************************************
 700 get sec desc for filename
 701 *******************************************************/
 702 static struct security_descriptor *get_secdesc(struct cli_state *cli, const char *filename)
 703 {
 704         uint16_t fnum = (uint16_t)-1;
 705         struct security_descriptor *sd;
 706         NTSTATUS status;
 707
 708         /* The desired access below is the only one I could find that works
 709            with NT4, W2KP and Samba */
 710
 711         status = cli_ntcreate(cli, filename, 0, CREATE_ACCESS_READ,
 712                               0, FILE_SHARE_READ|FILE_SHARE_WRITE,
 713                               FILE_OPEN, 0x0, 0x0, &fnum);
 714         if (!NT_STATUS_IS_OK(status)) {
 715                 printf("Failed to open %s: %s\n", filename, nt_errstr(status));
 716                 return NULL;
 717         }
 718
 719         sd = cli_query_secdesc(cli, fnum, talloc_tos());
 720
 721         cli_close(cli, fnum);
 722
 723         if (!sd) {
 724                 printf("Failed to get security descriptor\n");
 725                 return NULL;
 726         }
 727         return sd;
 728 }
 729
 730 /*****************************************************
 731 set sec desc for filename
 732 *******************************************************/
 733 static bool set_secdesc(struct cli_state *cli, const char *filename,
 734                         struct security_descriptor *sd)
 735 {
 736         uint16_t fnum = (uint16_t)-1;
 737         bool result=true;
 738         NTSTATUS status;
 739
 740         /* The desired access below is the only one I could find that works
 741            with NT4, W2KP and Samba */
 742
 743         status = cli_ntcreate(cli, filename, 0,
 744                               WRITE_DAC_ACCESS|WRITE_OWNER_ACCESS,
 745                               0, FILE_SHARE_READ|FILE_SHARE_WRITE,
 746                               FILE_OPEN, 0x0, 0x0, &fnum);
 747         if (!NT_STATUS_IS_OK(status)) {
 748                 printf("Failed to open %s: %s\n", filename, nt_errstr(status));
 749                 return false;
 750         }
 751
 752         status = cli_set_secdesc(cli, fnum, sd);
 753         if (!NT_STATUS_IS_OK(status)) {
 754                 printf("ERROR: security description set failed: %s\n",
 755                        nt_errstr(status));
 756                 result=false;
 757         }
 758
 759         cli_close(cli, fnum);
 760         return result;
 761 }
 762
 763 /*****************************************************
 764 dump the acls for a file
 765 *******************************************************/
 766 static int cacl_dump(struct cli_state *cli, const char *filename)
 767 {
 768         int result = EXIT_FAILED;
 769         struct security_descriptor *sd;
 770
 771         if (test_args)
 772                 return EXIT_OK;
 773
 774         sd = get_secdesc(cli, filename);
 775
 776         if (sd) {
 777                 if (sddl) {
 778                         printf("%s\n", sddl_encode(talloc_tos(), sd,
 779                                            get_global_sam_sid()));
 780                 } else {
 781                         sec_desc_print(cli, stdout, sd);
 782                 }
 783                 result = EXIT_OK;
 784         }
 785
 786         return result;
 787 }
 788
 789 /*****************************************************
 790 Change the ownership or group ownership of a file. Just
 791 because the NT docs say this can't be done :-). JRA.
 792 *******************************************************/
 793
 794 static int owner_set(struct cli_state *cli, enum chown_mode change_mode,
 795                         const char *filename, const char *new_username)
 796 {
 797         struct dom_sid sid;
 798         struct security_descriptor *sd, *old;
 799         size_t sd_size;
 800
 801         if (!StringToSid(cli, &sid, new_username))
 802                 return EXIT_PARSE_ERROR;
 803
 804         old = get_secdesc(cli, filename);
 805
 806         if (!old) {
 807                 return EXIT_FAILED;
 808         }
 809
 810         sd = make_sec_desc(talloc_tos(),old->revision, old->type,
 811                                 (change_mode == REQUEST_CHOWN) ? &sid : NULL,
 812                                 (change_mode == REQUEST_CHGRP) ? &sid : NULL,
 813                            NULL, NULL, &sd_size);
 814
 815         if (!set_secdesc(cli, filename, sd)) {
 816                 return EXIT_FAILED;
 817         }
 818
 819         return EXIT_OK;
 820 }
 821
 822
 823 /* The MSDN is contradictory over the ordering of ACE entries in an
 824    ACL.  However NT4 gives a "The information may have been modified
 825    by a computer running Windows NT 5.0" if denied ACEs do not appear
 826    before allowed ACEs. At
 827    http://technet.microsoft.com/en-us/library/cc781716.aspx the
 828    canonical order is specified as "Explicit Deny, Explicit Allow,
 829    Inherited ACEs unchanged" */
 830
 831 static int ace_compare(struct security_ace *ace1, struct security_ace *ace2)
 832 {
 833         if (sec_ace_equal(ace1, ace2))
 834                 return 0;
 835
 836         if ((ace1->flags & SEC_ACE_FLAG_INHERITED_ACE) &&
 837                         !(ace2->flags & SEC_ACE_FLAG_INHERITED_ACE))
 838                 return 1;
 839         if (!(ace1->flags & SEC_ACE_FLAG_INHERITED_ACE) &&
 840                         (ace2->flags & SEC_ACE_FLAG_INHERITED_ACE))
 841                 return -1;
 842         if ((ace1->flags & SEC_ACE_FLAG_INHERITED_ACE) &&
 843                         (ace2->flags & SEC_ACE_FLAG_INHERITED_ACE))
 844                 return ace1 - ace2;
 845
 846         if (ace1->type != ace2->type)
 847                 return ace2->type - ace1->type;
 848
 849         if (dom_sid_compare(&ace1->trustee, &ace2->trustee))
 850                 return dom_sid_compare(&ace1->trustee, &ace2->trustee);
 851
 852         if (ace1->flags != ace2->flags)
 853                 return ace1->flags - ace2->flags;
 854
 855         if (ace1->access_mask != ace2->access_mask)
 856                 return ace1->access_mask - ace2->access_mask;
 857
 858         if (ace1->size != ace2->size)
 859                 return ace1->size - ace2->size;
 860
 861         return memcmp(ace1, ace2, sizeof(struct security_ace));
 862 }
 863
 864 static void sort_acl(struct security_acl *the_acl)
 865 {
 866         uint32 i;
 867         if (!the_acl) return;
 868
 869         TYPESAFE_QSORT(the_acl->aces, the_acl->num_aces, ace_compare);
 870
 871         for (i=1;i<the_acl->num_aces;) {
 872                 if (sec_ace_equal(&the_acl->aces[i-1], &the_acl->aces[i])) {
 873                         int j;
 874                         for (j=i; j<the_acl->num_aces-1; j++) {
 875                                 the_acl->aces[j] = the_acl->aces[j+1];
 876                         }
 877                         the_acl->num_aces--;
 878                 } else {
 879                         i++;
 880                 }
 881         }
 882 }
 883
 884 /*****************************************************
 885 set the ACLs on a file given an ascii description
 886 *******************************************************/
 887
 888 static int cacl_set(struct cli_state *cli, const char *filename,
 889                     char *the_acl, enum acl_mode mode)
 890 {
 891         struct security_descriptor *sd, *old;
 892         uint32 i, j;
 893         size_t sd_size;
 894         int result = EXIT_OK;
 895
 896         if (sddl) {
 897                 sd = sddl_decode(talloc_tos(), the_acl, get_global_sam_sid());
 898         } else {
 899                 sd = sec_desc_parse(talloc_tos(), cli, the_acl);
 900         }
 901
 902         if (!sd) return EXIT_PARSE_ERROR;
 903         if (test_args) return EXIT_OK;
 904
 905         old = get_secdesc(cli, filename);
 906
 907         if (!old) {
 908                 return EXIT_FAILED;
 909         }
 910
 911         /* the logic here is rather more complex than I would like */
 912         switch (mode) {
 913         case SMB_ACL_DELETE:
 914                 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
 915                         bool found = False;
 916
 917                         for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
 918                                 if (sec_ace_equal(&sd->dacl->aces[i],
 919                                                   &old->dacl->aces[j])) {
 920                                         uint32 k;
 921                                         for (k=j; k<old->dacl->num_aces-1;k++) {
 922                                                 old->dacl->aces[k] = old->dacl->aces[k+1];
 923                                         }
 924                                         old->dacl->num_aces--;
 925                                         found = True;
 926                                         break;
 927                                 }
 928                         }
 929
 930                         if (!found) {
 931                                 printf("ACL for ACE:");
 932                                 print_ace(cli, stdout, &sd->dacl->aces[i]);
 933                                 printf(" not found\n");
 934                         }
 935                 }
 936                 break;
 937
 938         case SMB_ACL_MODIFY:
 939                 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
 940                         bool found = False;
 941
 942                         for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
 943                                 if (dom_sid_equal(&sd->dacl->aces[i].trustee,
 944                                               &old->dacl->aces[j].trustee)) {
 945                                         old->dacl->aces[j] = sd->dacl->aces[i];
 946                                         found = True;
 947                                 }
 948                         }
 949
 950                         if (!found) {
 951                                 fstring str;
 952
 953                                 SidToString(cli, str,
 954                                             &sd->dacl->aces[i].trustee);
 955                                 printf("ACL for SID %s not found\n", str);
 956                         }
 957                 }
 958
 959                 if (sd->owner_sid) {
 960                         old->owner_sid = sd->owner_sid;
 961                 }
 962
 963                 if (sd->group_sid) {
 964                         old->group_sid = sd->group_sid;
 965                 }
 966
 967                 break;
 968
 969         case SMB_ACL_ADD:
 970                 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
 971                         add_ace(&old->dacl, &sd->dacl->aces[i]);
 972                 }
 973                 break;
 974
 975         case SMB_ACL_SET:
 976                 old = sd;
 977                 break;
 978         }
 979
 980         /* Denied ACE entries must come before allowed ones */
 981         sort_acl(old->dacl);
 982
 983         /* Create new security descriptor and set it */
 984
 985         /* We used to just have "WRITE_DAC_ACCESS" without WRITE_OWNER.
 986            But if we're sending an owner, even if it's the same as the one
 987            that already exists then W2K3 insists we open with WRITE_OWNER access.
 988            I need to check that setting a SD with no owner set works against WNT
 989            and W2K. JRA.
 990         */
 991
 992         sd = make_sec_desc(talloc_tos(),old->revision, old->type,
 993                            old->owner_sid, old->group_sid,
 994                            NULL, old->dacl, &sd_size);
 995
 996         if (!set_secdesc(cli, filename, sd)) {
 997                 result = EXIT_FAILED;
 998         }
 999
1000         return result;
1001 }
1002
1003 /*****************************************************
1004 set the inherit on a file
1005 *******************************************************/
1006 static int inherit(struct cli_state *cli, const char *filename,
1007                    const char *type)
1008 {
1009         struct security_descriptor *old,*sd;
1010         uint32 oldattr;
1011         size_t sd_size;
1012         int result = EXIT_OK;
1013
1014         old = get_secdesc(cli, filename);
1015
1016         if (!old) {
1017                 return EXIT_FAILED;
1018         }
1019
1020         oldattr = get_fileinfo(cli,filename);
1021
1022         if (strcmp(type,"allow")==0) {
1023                 if ((old->type & SEC_DESC_DACL_PROTECTED) ==
1024                     SEC_DESC_DACL_PROTECTED) {
1025                         int i;
1026                         char *parentname,*temp;
1027                         struct security_descriptor *parent;
1028                         temp = talloc_strdup(talloc_tos(), filename);
1029
1030                         old->type=old->type & (~SEC_DESC_DACL_PROTECTED);
1031
1032                         /* look at parent and copy in all its inheritable ACL's. */
1033                         string_replace(temp, '\\', '/');
1034                         if (!parent_dirname(talloc_tos(),temp,&parentname,NULL)) {
1035                                 return EXIT_FAILED;
1036                         }
1037                         string_replace(parentname, '/', '\\');
1038                         parent = get_secdesc(cli,parentname);
1039                         if (parent == NULL) {
1040                                 return EXIT_FAILED;
1041                         }
1042                         for (i=0;i<parent->dacl->num_aces;i++) {
1043                                 struct security_ace *ace=&parent->dacl->aces[i];
1044                                 /* Add inherited flag to all aces */
1045                                 ace->flags=ace->flags|
1046                                            SEC_ACE_FLAG_INHERITED_ACE;
1047                                 if ((oldattr & FILE_ATTRIBUTE_DIRECTORY) == FILE_ATTRIBUTE_DIRECTORY) {
1048                                         if ((ace->flags & SEC_ACE_FLAG_CONTAINER_INHERIT) ==
1049                                             SEC_ACE_FLAG_CONTAINER_INHERIT) {
1050                                                 add_ace(&old->dacl, ace);
1051                                         }
1052                                 } else {
1053                                         if ((ace->flags & SEC_ACE_FLAG_OBJECT_INHERIT) ==
1054                                             SEC_ACE_FLAG_OBJECT_INHERIT) {
1055                                                 /* clear flags for files */
1056                                                 ace->flags=0;
1057                                                 add_ace(&old->dacl, ace);
1058                                         }
1059                                 }
1060                         }
1061                 } else {
1062                         printf("Already set to inheritable permissions.\n");
1063                         return EXIT_FAILED;
1064                 }
1065         } else if (strcmp(type,"remove")==0) {
1066                 if ((old->type & SEC_DESC_DACL_PROTECTED) !=
1067                     SEC_DESC_DACL_PROTECTED) {
1068                         old->type=old->type | SEC_DESC_DACL_PROTECTED;
1069
1070                         /* remove all inherited ACL's. */
1071                         if (old->dacl) {
1072                                 int i;
1073                                 struct security_acl *temp=old->dacl;
1074                                 old->dacl=make_sec_acl(talloc_tos(), 3, 0, NULL);
1075                                 for (i=temp->num_aces-1;i>=0;i--) {
1076                                         struct security_ace *ace=&temp->aces[i];
1077                                         /* Remove all ace with INHERITED flag set */
1078                                         if ((ace->flags & SEC_ACE_FLAG_INHERITED_ACE) !=
1079                                             SEC_ACE_FLAG_INHERITED_ACE) {
1080                                                 add_ace(&old->dacl,ace);
1081                                         }
1082                                 }
1083                         }
1084                 } else {
1085                         printf("Already set to no inheritable permissions.\n");
1086                         return EXIT_FAILED;
1087                 }
1088         } else if (strcmp(type,"copy")==0) {
1089                 if ((old->type & SEC_DESC_DACL_PROTECTED) !=
1090                     SEC_DESC_DACL_PROTECTED) {
1091                         old->type=old->type | SEC_DESC_DACL_PROTECTED;
1092
1093                         /* convert all inherited ACL's to non inherated ACL's. */
1094                         if (old->dacl) {
1095                                 int i;
1096                                 for (i=0;i<old->dacl->num_aces;i++) {
1097                                         struct security_ace *ace=&old->dacl->aces[i];
1098                                         /* Remove INHERITED FLAG from all aces */
1099                                         ace->flags=ace->flags&(~SEC_ACE_FLAG_INHERITED_ACE);
1100                                 }
1101                         }
1102                 } else {
1103                         printf("Already set to no inheritable permissions.\n");
1104                         return EXIT_FAILED;
1105                 }
1106         }
1107
1108         /* Denied ACE entries must come before allowed ones */
1109         sort_acl(old->dacl);
1110
1111         sd = make_sec_desc(talloc_tos(),old->revision, old->type,
1112                            old->owner_sid, old->group_sid,
1113                            NULL, old->dacl, &sd_size);
1114
1115         if (!set_secdesc(cli, filename, sd)) {
1116                 result = EXIT_FAILED;
1117         }
1118
1119         return result;
1120 }
1121
1122 /*****************************************************
1123  Return a connection to a server.
1124 *******************************************************/
1125 static struct cli_state *connect_one(struct user_auth_info *auth_info,
1126                                      const char *server, const char *share)
1127 {
1128         struct cli_state *c = NULL;
1129         struct sockaddr_storage ss;
1130         NTSTATUS nt_status;
1131         uint32_t flags = 0;
1132
1133         zero_sockaddr(&ss);
1134
1135         if (get_cmdline_auth_info_use_kerberos(auth_info)) {
1136                 flags |= CLI_FULL_CONNECTION_USE_KERBEROS |
1137                          CLI_FULL_CONNECTION_FALLBACK_AFTER_KERBEROS;
1138         }
1139
1140         if (get_cmdline_auth_info_use_machine_account(auth_info) &&
1141             !set_cmdline_auth_info_machine_account_creds(auth_info)) {
1142                 return NULL;
1143         }
1144
1145         set_cmdline_auth_info_getpass(auth_info);
1146
1147         nt_status = cli_full_connection(&c, global_myname(), server,
1148                                 &ss, 0,
1149                                 share, "?????",
1150                                 get_cmdline_auth_info_username(auth_info),
1151                                 lp_workgroup(),
1152                                 get_cmdline_auth_info_password(auth_info),
1153                                 flags,
1154                                 get_cmdline_auth_info_signing_state(auth_info));
1155         if (!NT_STATUS_IS_OK(nt_status)) {
1156                 DEBUG(0,("cli_full_connection failed! (%s)\n", nt_errstr(nt_status)));
1157                 return NULL;
1158         }
1159
1160         if (get_cmdline_auth_info_smb_encrypt(auth_info)) {
1161                 nt_status = cli_cm_force_encryption(c,
1162                                         get_cmdline_auth_info_username(auth_info),
1163                                         get_cmdline_auth_info_password(auth_info),
1164                                         lp_workgroup(),
1165                                         share);
1166                 if (!NT_STATUS_IS_OK(nt_status)) {
1167                         cli_shutdown(c);
1168                         c = NULL;
1169                 }
1170         }
1171
1172         return c;
1173 }
1174
1175 /****************************************************************************
1176   main program
1177 ****************************************************************************/
1178  int main(int argc, const char *argv[])
1179 {
1180         char *share;
1181         int opt;
1182         enum acl_mode mode = SMB_ACL_SET;
1183         static char *the_acl = NULL;
1184         enum chown_mode change_mode = REQUEST_NONE;
1185         int result;
1186         char *path;
1187         char *filename = NULL;
1188         poptContext pc;
1189         struct poptOption long_options[] = {
1190                 POPT_AUTOHELP
1191                 { "delete", 'D', POPT_ARG_STRING, NULL, 'D', "Delete an acl", "ACL" },
1192                 { "modify", 'M', POPT_ARG_STRING, NULL, 'M', "Modify an acl", "ACL" },
1193                 { "add", 'a', POPT_ARG_STRING, NULL, 'a', "Add an acl", "ACL" },
1194                 { "set", 'S', POPT_ARG_STRING, NULL, 'S', "Set acls", "ACLS" },
1195                 { "chown", 'C', POPT_ARG_STRING, NULL, 'C', "Change ownership of a file", "USERNAME" },
1196                 { "chgrp", 'G', POPT_ARG_STRING, NULL, 'G', "Change group ownership of a file", "GROUPNAME" },
1197                 { "inherit", 'I', POPT_ARG_STRING, NULL, 'I', "Inherit allow|remove|copy" },
1198                 { "numeric", 0, POPT_ARG_NONE, &numeric, 1, "Don't resolve sids or masks to names" },
1199                 { "sddl", 0, POPT_ARG_NONE, &sddl, 1, "Output and input acls in sddl format" },
1200                 { "test-args", 't', POPT_ARG_NONE, &test_args, 1, "Test arguments"},
1201                 POPT_COMMON_SAMBA
1202                 POPT_COMMON_CONNECTION
1203                 POPT_COMMON_CREDENTIALS
1204                 POPT_TABLEEND
1205         };
1206
1207         struct cli_state *cli;
1208         TALLOC_CTX *frame = talloc_stackframe();
1209         const char *owner_username = "";
1210         char *server;
1211         struct user_auth_info *auth_info;
1212
1213         load_case_tables();
1214
1215         /* set default debug level to 1 regardless of what smb.conf sets */
1216         setup_logging( "smbcacls", DEBUG_STDERR);
1217         lp_set_cmdline("log level", "1");
1218
1219         setlinebuf(stdout);
1220
1221         lp_load(get_dyn_CONFIGFILE(),True,False,False,True);
1222         load_interfaces();
1223
1224         auth_info = user_auth_info_init(frame);
1225         if (auth_info == NULL) {
1226                 exit(1);
1227         }
1228         popt_common_set_auth_info(auth_info);
1229
1230         pc = poptGetContext("smbcacls", argc, argv, long_options, 0);
1231
1232         poptSetOtherOptionHelp(pc, "//server1/share1 filename\nACLs look like: "
1233                 "'ACL:user:[ALLOWED|DENIED]/flags/permissions'");
1234
1235         while ((opt = poptGetNextOpt(pc)) != -1) {
1236                 switch (opt) {
1237                 case 'S':
1238                         the_acl = smb_xstrdup(poptGetOptArg(pc));
1239                         mode = SMB_ACL_SET;
1240                         break;
1241
1242                 case 'D':
1243                         the_acl = smb_xstrdup(poptGetOptArg(pc));
1244                         mode = SMB_ACL_DELETE;
1245                         break;
1246
1247                 case 'M':
1248                         the_acl = smb_xstrdup(poptGetOptArg(pc));
1249                         mode = SMB_ACL_MODIFY;
1250                         break;
1251
1252                 case 'a':
1253                         the_acl = smb_xstrdup(poptGetOptArg(pc));
1254                         mode = SMB_ACL_ADD;
1255                         break;
1256
1257                 case 'C':
1258                         owner_username = poptGetOptArg(pc);
1259                         change_mode = REQUEST_CHOWN;
1260                         break;
1261
1262                 case 'G':
1263                         owner_username = poptGetOptArg(pc);
1264                         change_mode = REQUEST_CHGRP;
1265                         break;
1266
1267                 case 'I':
1268                         owner_username = poptGetOptArg(pc);
1269                         change_mode = REQUEST_INHERIT;
1270                         break;
1271                 }
1272         }
1273
1274         /* Make connection to server */
1275         if(!poptPeekArg(pc)) {
1276                 poptPrintUsage(pc, stderr, 0);
1277                 return -1;
1278         }
1279
1280         path = talloc_strdup(frame, poptGetArg(pc));
1281         if (!path) {
1282                 return -1;
1283         }
1284
1285         if(!poptPeekArg(pc)) {
1286                 poptPrintUsage(pc, stderr, 0);
1287                 return -1;
1288         }
1289
1290         filename = talloc_strdup(frame, poptGetArg(pc));
1291         if (!filename) {
1292                 return -1;
1293         }
1294
1295         string_replace(path,'/','\\');
1296
1297         server = talloc_strdup(frame, path+2);
1298         if (!server) {
1299                 return -1;
1300         }
1301         share = strchr_m(server,'\\');
1302         if (!share) {
1303                 printf("Invalid argument: %s\n", share);
1304                 return -1;
1305         }
1306
1307         *share = 0;
1308         share++;
1309
1310         if (!test_args) {
1311                 cli = connect_one(auth_info, server, share);
1312                 if (!cli) {
1313                         exit(EXIT_FAILED);
1314                 }
1315         } else {
1316                 exit(0);
1317         }
1318
1319         string_replace(filename, '/', '\\');
1320         if (filename[0] != '\\') {
1321                 filename = talloc_asprintf(frame,
1322                                 "\\%s",
1323                                 filename);
1324                 if (!filename) {
1325                         return -1;
1326                 }
1327         }
1328
1329         /* Perform requested action */
1330
1331         if (change_mode == REQUEST_INHERIT) {
1332                 result = inherit(cli, filename, owner_username);
1333         } else if (change_mode != REQUEST_NONE) {
1334                 result = owner_set(cli, change_mode, filename, owner_username);
1335         } else if (the_acl) {
1336                 result = cacl_set(cli, filename, the_acl, mode);
1337         } else {
1338                 result = cacl_dump(cli, filename);
1339         }
1340
1341         TALLOC_FREE(frame);
1342
1343         return result;
1344 }