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/libsmb.h"
  31 #include "libsmb/clirap.h"
  32 #include "passdb/machine_sid.h"
  33
  34 static int test_args;
  35
  36 #define CREATE_ACCESS_READ READ_CONTROL_ACCESS
  37
  38 /* numeric is set when the user wants numeric SIDs and ACEs rather
  39    than going via LSA calls to resolve them */
  40 static int numeric;
  41
  42 static int sddl;
  43
  44 enum acl_mode {SMB_ACL_SET, SMB_ACL_DELETE, SMB_ACL_MODIFY, SMB_ACL_ADD };
  45 enum chown_mode {REQUEST_NONE, REQUEST_CHOWN, REQUEST_CHGRP, REQUEST_INHERIT};
  46 enum exit_values {EXIT_OK, EXIT_FAILED, EXIT_PARSE_ERROR};
  47
  48 struct perm_value {
  49         const char *perm;
  50         uint32 mask;
  51 };
  52
  53 /* These values discovered by inspection */
  54
  55 static const struct perm_value special_values[] = {
  56         { "R", 0x00120089 },
  57         { "W", 0x00120116 },
  58         { "X", 0x001200a0 },
  59         { "D", 0x00010000 },
  60         { "P", 0x00040000 },
  61         { "O", 0x00080000 },
  62         { NULL, 0 },
  63 };
  64
  65 static const struct perm_value standard_values[] = {
  66         { "READ",   0x001200a9 },
  67         { "CHANGE", 0x001301bf },
  68         { "FULL",   0x001f01ff },
  69         { NULL, 0 },
  70 };
  71
  72 /* Open cli connection and policy handle */
  73
  74 static NTSTATUS cli_lsa_lookup_sid(struct cli_state *cli,
  75                                    const struct dom_sid *sid,
  76                                    TALLOC_CTX *mem_ctx,
  77                                    enum lsa_SidType *type,
  78                                    char **domain, char **name)
  79 {
  80         uint16 orig_cnum = cli_state_get_tid(cli);
  81         struct rpc_pipe_client *p = NULL;
  82         struct policy_handle handle;
  83         NTSTATUS status;
  84         TALLOC_CTX *frame = talloc_stackframe();
  85         enum lsa_SidType *types;
  86         char **domains;
  87         char **names;
  88
  89         status = cli_tcon_andx(cli, "IPC$", "?????", "", 0);
  90         if (!NT_STATUS_IS_OK(status)) {
  91                 return status;
  92         }
  93
  94         status = cli_rpc_pipe_open_noauth(cli, &ndr_table_lsarpc.syntax_id,
  95                                           &p);
  96         if (!NT_STATUS_IS_OK(status)) {
  97                 goto fail;
  98         }
  99
 100         status = rpccli_lsa_open_policy(p, talloc_tos(), True,
 101                                         GENERIC_EXECUTE_ACCESS, &handle);
 102         if (!NT_STATUS_IS_OK(status)) {
 103                 goto fail;
 104         }
 105
 106         status = rpccli_lsa_lookup_sids(p, talloc_tos(), &handle, 1, sid,
 107                                         &domains, &names, &types);
 108         if (!NT_STATUS_IS_OK(status)) {
 109                 goto fail;
 110         }
 111
 112         *type = types[0];
 113         *domain = talloc_move(mem_ctx, &domains[0]);
 114         *name = talloc_move(mem_ctx, &names[0]);
 115
 116         status = NT_STATUS_OK;
 117  fail:
 118         TALLOC_FREE(p);
 119         cli_tdis(cli);
 120         cli_state_set_tid(cli, orig_cnum);
 121         TALLOC_FREE(frame);
 122         return status;
 123 }
 124
 125 static NTSTATUS cli_lsa_lookup_name(struct cli_state *cli,
 126                                     const char *name,
 127                                     enum lsa_SidType *type,
 128                                     struct dom_sid *sid)
 129 {
 130         uint16 orig_cnum = cli_state_get_tid(cli);
 131         struct rpc_pipe_client *p;
 132         struct policy_handle handle;
 133         NTSTATUS status;
 134         TALLOC_CTX *frame = talloc_stackframe();
 135         struct dom_sid *sids;
 136         enum lsa_SidType *types;
 137
 138         status = cli_tcon_andx(cli, "IPC$", "?????", "", 0);
 139         if (!NT_STATUS_IS_OK(status)) {
 140                 return status;
 141         }
 142
 143         status = cli_rpc_pipe_open_noauth(cli, &ndr_table_lsarpc.syntax_id,
 144                                           &p);
 145         if (!NT_STATUS_IS_OK(status)) {
 146                 goto fail;
 147         }
 148
 149         status = rpccli_lsa_open_policy(p, talloc_tos(), True,
 150                                         GENERIC_EXECUTE_ACCESS, &handle);
 151         if (!NT_STATUS_IS_OK(status)) {
 152                 goto fail;
 153         }
 154
 155         status = rpccli_lsa_lookup_names(p, talloc_tos(), &handle, 1, &name,
 156                                          NULL, 1, &sids, &types);
 157         if (!NT_STATUS_IS_OK(status)) {
 158                 goto fail;
 159         }
 160
 161         *type = types[0];
 162         *sid = sids[0];
 163
 164         status = NT_STATUS_OK;
 165  fail:
 166         TALLOC_FREE(p);
 167         cli_tdis(cli);
 168         cli_state_set_tid(cli, orig_cnum);
 169         TALLOC_FREE(frame);
 170         return status;
 171 }
 172
 173 /* convert a SID to a string, either numeric or username/group */
 174 static void SidToString(struct cli_state *cli, fstring str, const struct dom_sid *sid)
 175 {
 176         char *domain = NULL;
 177         char *name = NULL;
 178         enum lsa_SidType type;
 179         NTSTATUS status;
 180
 181         sid_to_fstring(str, sid);
 182
 183         if (numeric) {
 184                 return;
 185         }
 186
 187         status = cli_lsa_lookup_sid(cli, sid, talloc_tos(), &type,
 188                                     &domain, &name);
 189
 190         if (!NT_STATUS_IS_OK(status)) {
 191                 return;
 192         }
 193
 194         if (*domain) {
 195                 slprintf(str, sizeof(fstring) - 1, "%s%s%s",
 196                         domain, lp_winbind_separator(), name);
 197         } else {
 198                 fstrcpy(str, name);
 199         }
 200 }
 201
 202 /* convert a string to a SID, either numeric or username/group */
 203 static bool StringToSid(struct cli_state *cli, struct dom_sid *sid, const char *str)
 204 {
 205         enum lsa_SidType type;
 206
 207         if (string_to_sid(sid, str)) {
 208                 return true;
 209         }
 210
 211         return NT_STATUS_IS_OK(cli_lsa_lookup_name(cli, str, &type, sid));
 212 }
 213
 214 static void print_ace_flags(FILE *f, uint8_t flags)
 215 {
 216         char *str = talloc_strdup(NULL, "");
 217
 218         if (!str) {
 219                 goto out;
 220         }
 221
 222         if (flags & SEC_ACE_FLAG_OBJECT_INHERIT) {
 223                 str = talloc_asprintf(str, "%s%s",
 224                                 str, "OI|");
 225                 if (!str) {
 226                         goto out;
 227                 }
 228         }
 229         if (flags & SEC_ACE_FLAG_CONTAINER_INHERIT) {
 230                 str = talloc_asprintf(str, "%s%s",
 231                                 str, "CI|");
 232                 if (!str) {
 233                         goto out;
 234                 }
 235         }
 236         if (flags & SEC_ACE_FLAG_NO_PROPAGATE_INHERIT) {
 237                 str = talloc_asprintf(str, "%s%s",
 238                                 str, "NP|");
 239                 if (!str) {
 240                         goto out;
 241                 }
 242         }
 243         if (flags & SEC_ACE_FLAG_INHERIT_ONLY) {
 244                 str = talloc_asprintf(str, "%s%s",
 245                                 str, "IO|");
 246                 if (!str) {
 247                         goto out;
 248                 }
 249         }
 250         if (flags & SEC_ACE_FLAG_INHERITED_ACE) {
 251                 str = talloc_asprintf(str, "%s%s",
 252                                 str, "I|");
 253                 if (!str) {
 254                         goto out;
 255                 }
 256         }
 257         /* Ignore define SEC_ACE_FLAG_SUCCESSFUL_ACCESS ( 0x40 )
 258            and SEC_ACE_FLAG_FAILED_ACCESS ( 0x80 ) as they're
 259            audit ace flags. */
 260
 261         if (str[strlen(str)-1] == '|') {
 262                 str[strlen(str)-1] = '\0';
 263                 fprintf(f, "/%s/", str);
 264         } else {
 265                 fprintf(f, "/0x%x/", flags);
 266         }
 267         TALLOC_FREE(str);
 268         return;
 269
 270   out:
 271         fprintf(f, "/0x%x/", flags);
 272 }
 273
 274 /* print an ACE on a FILE, using either numeric or ascii representation */
 275 static void print_ace(struct cli_state *cli, FILE *f, struct security_ace *ace)
 276 {
 277         const struct perm_value *v;
 278         fstring sidstr;
 279         int do_print = 0;
 280         uint32 got_mask;
 281
 282         SidToString(cli, sidstr, &ace->trustee);
 283
 284         fprintf(f, "%s:", sidstr);
 285
 286         if (numeric) {
 287                 fprintf(f, "%d/0x%x/0x%08x",
 288                         ace->type, ace->flags, ace->access_mask);
 289                 return;
 290         }
 291
 292         /* Ace type */
 293
 294         if (ace->type == SEC_ACE_TYPE_ACCESS_ALLOWED) {
 295                 fprintf(f, "ALLOWED");
 296         } else if (ace->type == SEC_ACE_TYPE_ACCESS_DENIED) {
 297                 fprintf(f, "DENIED");
 298         } else {
 299                 fprintf(f, "%d", ace->type);
 300         }
 301
 302         print_ace_flags(f, ace->flags);
 303
 304         /* Standard permissions */
 305
 306         for (v = standard_values; v->perm; v++) {
 307                 if (ace->access_mask == v->mask) {
 308                         fprintf(f, "%s", v->perm);
 309                         return;
 310                 }
 311         }
 312
 313         /* Special permissions.  Print out a hex value if we have
 314            leftover bits in the mask. */
 315
 316         got_mask = ace->access_mask;
 317
 318  again:
 319         for (v = special_values; v->perm; v++) {
 320                 if ((ace->access_mask & v->mask) == v->mask) {
 321                         if (do_print) {
 322                                 fprintf(f, "%s", v->perm);
 323                         }
 324                         got_mask &= ~v->mask;
 325                 }
 326         }
 327
 328         if (!do_print) {
 329                 if (got_mask != 0) {
 330                         fprintf(f, "0x%08x", ace->access_mask);
 331                 } else {
 332                         do_print = 1;
 333                         goto again;
 334                 }
 335         }
 336 }
 337
 338 static bool parse_ace_flags(const char *str, unsigned int *pflags)
 339 {
 340         const char *p = str;
 341         *pflags = 0;
 342
 343         while (*p) {
 344                 if (strnequal(p, "OI", 2)) {
 345                         *pflags |= SEC_ACE_FLAG_OBJECT_INHERIT;
 346                         p += 2;
 347                 } else if (strnequal(p, "CI", 2)) {
 348                         *pflags |= SEC_ACE_FLAG_CONTAINER_INHERIT;
 349                         p += 2;
 350                 } else if (strnequal(p, "NP", 2)) {
 351                         *pflags |= SEC_ACE_FLAG_NO_PROPAGATE_INHERIT;
 352                         p += 2;
 353                 } else if (strnequal(p, "IO", 2)) {
 354                         *pflags |= SEC_ACE_FLAG_INHERIT_ONLY;
 355                         p += 2;
 356                 } else if (*p == 'I') {
 357                         *pflags |= SEC_ACE_FLAG_INHERITED_ACE;
 358                         p += 1;
 359                 } else if (*p) {
 360                         return false;
 361                 }
 362
 363                 switch (*p) {
 364                 case '|':
 365                         p++;
 366                 case '\0':
 367                         continue;
 368                 default:
 369                         return false;
 370                 }
 371         }
 372         return true;
 373 }
 374
 375 /* parse an ACE in the same format as print_ace() */
 376 static bool parse_ace(struct cli_state *cli, struct security_ace *ace,
 377                       const char *orig_str)
 378 {
 379         char *p;
 380         const char *cp;
 381         char *tok;
 382         unsigned int atype = 0;
 383         unsigned int aflags = 0;
 384         unsigned int amask = 0;
 385         struct dom_sid sid;
 386         uint32_t mask;
 387         const struct perm_value *v;
 388         char *str = SMB_STRDUP(orig_str);
 389         TALLOC_CTX *frame = talloc_stackframe();
 390
 391         if (!str) {
 392                 TALLOC_FREE(frame);
 393                 return False;
 394         }
 395
 396         ZERO_STRUCTP(ace);
 397         p = strchr_m(str,':');
 398         if (!p) {
 399                 printf("ACE '%s': missing ':'.\n", orig_str);
 400                 SAFE_FREE(str);
 401                 TALLOC_FREE(frame);
 402                 return False;
 403         }
 404         *p = '\0';
 405         p++;
 406         /* Try to parse numeric form */
 407
 408         if (sscanf(p, "%i/%i/%i", &atype, &aflags, &amask) == 3 &&
 409             StringToSid(cli, &sid, str)) {
 410                 goto done;
 411         }
 412
 413         /* Try to parse text form */
 414
 415         if (!StringToSid(cli, &sid, str)) {
 416                 printf("ACE '%s': failed to convert '%s' to SID\n",
 417                         orig_str, str);
 418                 SAFE_FREE(str);
 419                 TALLOC_FREE(frame);
 420                 return False;
 421         }
 422
 423         cp = p;
 424         if (!next_token_talloc(frame, &cp, &tok, "/")) {
 425                 printf("ACE '%s': failed to find '/' character.\n",
 426                         orig_str);
 427                 SAFE_FREE(str);
 428                 TALLOC_FREE(frame);
 429                 return False;
 430         }
 431
 432         if (strncmp(tok, "ALLOWED", strlen("ALLOWED")) == 0) {
 433                 atype = SEC_ACE_TYPE_ACCESS_ALLOWED;
 434         } else if (strncmp(tok, "DENIED", strlen("DENIED")) == 0) {
 435                 atype = SEC_ACE_TYPE_ACCESS_DENIED;
 436         } else {
 437                 printf("ACE '%s': missing 'ALLOWED' or 'DENIED' entry at '%s'\n",
 438                         orig_str, tok);
 439                 SAFE_FREE(str);
 440                 TALLOC_FREE(frame);
 441                 return False;
 442         }
 443
 444         /* Only numeric form accepted for flags at present */
 445
 446         if (!next_token_talloc(frame, &cp, &tok, "/")) {
 447                 printf("ACE '%s': bad flags entry at '%s'\n",
 448                         orig_str, tok);
 449                 SAFE_FREE(str);
 450                 TALLOC_FREE(frame);
 451                 return False;
 452         }
 453
 454         if (tok[0] < '0' || tok[0] > '9') {
 455                 if (!parse_ace_flags(tok, &aflags)) {
 456                         printf("ACE '%s': bad named flags entry at '%s'\n",
 457                                 orig_str, tok);
 458                         SAFE_FREE(str);
 459                         TALLOC_FREE(frame);
 460                         return False;
 461                 }
 462         } else if (strnequal(tok, "0x", 2)) {
 463                 if (!sscanf(tok, "%x", &aflags)) {
 464                         printf("ACE '%s': bad hex flags entry at '%s'\n",
 465                                 orig_str, tok);
 466                         SAFE_FREE(str);
 467                         TALLOC_FREE(frame);
 468                         return False;
 469                 }
 470         } else {
 471                 if (!sscanf(tok, "%i", &aflags)) {
 472                         printf("ACE '%s': bad integer flags entry at '%s'\n",
 473                                 orig_str, tok);
 474                         SAFE_FREE(str);
 475                         TALLOC_FREE(frame);
 476                         return False;
 477                 }
 478         }
 479
 480         if (!next_token_talloc(frame, &cp, &tok, "/")) {
 481                 printf("ACE '%s': missing / at '%s'\n",
 482                         orig_str, tok);
 483                 SAFE_FREE(str);
 484                 TALLOC_FREE(frame);
 485                 return False;
 486         }
 487
 488         if (strncmp(tok, "0x", 2) == 0) {
 489                 if (sscanf(tok, "%i", &amask) != 1) {
 490                         printf("ACE '%s': bad hex number at '%s'\n",
 491                                 orig_str, tok);
 492                         SAFE_FREE(str);
 493                         TALLOC_FREE(frame);
 494                         return False;
 495                 }
 496                 goto done;
 497         }
 498
 499         for (v = standard_values; v->perm; v++) {
 500                 if (strcmp(tok, v->perm) == 0) {
 501                         amask = v->mask;
 502                         goto done;
 503                 }
 504         }
 505
 506         p = tok;
 507
 508         while(*p) {
 509                 bool found = False;
 510
 511                 for (v = special_values; v->perm; v++) {
 512                         if (v->perm[0] == *p) {
 513                                 amask |= v->mask;
 514                                 found = True;
 515                         }
 516                 }
 517
 518                 if (!found) {
 519                         printf("ACE '%s': bad permission value at '%s'\n",
 520                                 orig_str, p);
 521                         SAFE_FREE(str);
 522                         TALLOC_FREE(frame);
 523                         return False;
 524                 }
 525                 p++;
 526         }
 527
 528         if (*p) {
 529                 TALLOC_FREE(frame);
 530                 SAFE_FREE(str);
 531                 return False;
 532         }
 533
 534  done:
 535         mask = amask;
 536         init_sec_ace(ace, &sid, atype, mask, aflags);
 537         TALLOC_FREE(frame);
 538         SAFE_FREE(str);
 539         return True;
 540 }
 541
 542 /* add an ACE to a list of ACEs in a struct security_acl */
 543 static bool add_ace(struct security_acl **the_acl, struct security_ace *ace)
 544 {
 545         struct security_acl *new_ace;
 546         struct security_ace *aces;
 547         if (! *the_acl) {
 548                 return (((*the_acl) = make_sec_acl(talloc_tos(), 3, 1, ace))
 549                         != NULL);
 550         }
 551
 552         if (!(aces = SMB_CALLOC_ARRAY(struct security_ace, 1+(*the_acl)->num_aces))) {
 553                 return False;
 554         }
 555         memcpy(aces, (*the_acl)->aces, (*the_acl)->num_aces * sizeof(struct
 556         security_ace));
 557         memcpy(aces+(*the_acl)->num_aces, ace, sizeof(struct security_ace));
 558         new_ace = make_sec_acl(talloc_tos(),(*the_acl)->revision,1+(*the_acl)->num_aces, aces);
 559         SAFE_FREE(aces);
 560         (*the_acl) = new_ace;
 561         return True;
 562 }
 563
 564 /* parse a ascii version of a security descriptor */
 565 static struct security_descriptor *sec_desc_parse(TALLOC_CTX *ctx, struct cli_state *cli, char *str)
 566 {
 567         const char *p = str;
 568         char *tok;
 569         struct security_descriptor *ret = NULL;
 570         size_t sd_size;
 571         struct dom_sid *grp_sid=NULL, *owner_sid=NULL;
 572         struct security_acl *dacl=NULL;
 573         int revision=1;
 574
 575         while (next_token_talloc(ctx, &p, &tok, "\t,\r\n")) {
 576                 if (strncmp(tok,"REVISION:", 9) == 0) {
 577                         revision = strtol(tok+9, NULL, 16);
 578                         continue;
 579                 }
 580
 581                 if (strncmp(tok,"OWNER:", 6) == 0) {
 582                         if (owner_sid) {
 583                                 printf("Only specify owner once\n");
 584                                 goto done;
 585                         }
 586                         owner_sid = SMB_CALLOC_ARRAY(struct dom_sid, 1);
 587                         if (!owner_sid ||
 588                             !StringToSid(cli, owner_sid, tok+6)) {
 589                                 printf("Failed to parse owner sid\n");
 590                                 goto done;
 591                         }
 592                         continue;
 593                 }
 594
 595                 if (strncmp(tok,"GROUP:", 6) == 0) {
 596                         if (grp_sid) {
 597                                 printf("Only specify group once\n");
 598                                 goto done;
 599                         }
 600                         grp_sid = SMB_CALLOC_ARRAY(struct dom_sid, 1);
 601                         if (!grp_sid ||
 602                             !StringToSid(cli, grp_sid, tok+6)) {
 603                                 printf("Failed to parse group sid\n");
 604                                 goto done;
 605                         }
 606                         continue;
 607                 }
 608
 609                 if (strncmp(tok,"ACL:", 4) == 0) {
 610                         struct security_ace ace;
 611                         if (!parse_ace(cli, &ace, tok+4)) {
 612                                 goto done;
 613                         }
 614                         if(!add_ace(&dacl, &ace)) {
 615                                 printf("Failed to add ACL %s\n", tok);
 616                                 goto done;
 617                         }
 618                         continue;
 619                 }
 620
 621                 printf("Failed to parse token '%s' in security descriptor,\n", tok);
 622                 goto done;
 623         }
 624
 625         ret = make_sec_desc(ctx,revision, SEC_DESC_SELF_RELATIVE, owner_sid, grp_sid,
 626                             NULL, dacl, &sd_size);
 627
 628   done:
 629         SAFE_FREE(grp_sid);
 630         SAFE_FREE(owner_sid);
 631
 632         return ret;
 633 }
 634
 635
 636 /* print a ascii version of a security descriptor on a FILE handle */
 637 static void sec_desc_print(struct cli_state *cli, FILE *f, struct security_descriptor *sd)
 638 {
 639         fstring sidstr;
 640         uint32 i;
 641
 642         fprintf(f, "REVISION:%d\n", sd->revision);
 643         fprintf(f, "CONTROL:0x%x\n", sd->type);
 644
 645         /* Print owner and group sid */
 646
 647         if (sd->owner_sid) {
 648                 SidToString(cli, sidstr, sd->owner_sid);
 649         } else {
 650                 fstrcpy(sidstr, "");
 651         }
 652
 653         fprintf(f, "OWNER:%s\n", sidstr);
 654
 655         if (sd->group_sid) {
 656                 SidToString(cli, sidstr, sd->group_sid);
 657         } else {
 658                 fstrcpy(sidstr, "");
 659         }
 660
 661         fprintf(f, "GROUP:%s\n", sidstr);
 662
 663         /* Print aces */
 664         for (i = 0; sd->dacl && i < sd->dacl->num_aces; i++) {
 665                 struct security_ace *ace = &sd->dacl->aces[i];
 666                 fprintf(f, "ACL:");
 667                 print_ace(cli, f, ace);
 668                 fprintf(f, "\n");
 669         }
 670
 671 }
 672
 673 /*****************************************************
 674 get fileinfo for filename
 675 *******************************************************/
 676 static uint16 get_fileinfo(struct cli_state *cli, const char *filename)
 677 {
 678         uint16_t fnum = (uint16_t)-1;
 679         uint16 mode = 0;
 680         NTSTATUS status;
 681
 682         /* The desired access below is the only one I could find that works
 683            with NT4, W2KP and Samba */
 684
 685         status = cli_ntcreate(cli, filename, 0, CREATE_ACCESS_READ,
 686                               0, FILE_SHARE_READ|FILE_SHARE_WRITE,
 687                               FILE_OPEN, 0x0, 0x0, &fnum);
 688         if (!NT_STATUS_IS_OK(status)) {
 689                 printf("Failed to open %s: %s\n", filename, nt_errstr(status));
 690                 return 0;
 691         }
 692
 693         status = cli_qfileinfo_basic(cli, fnum, &mode, NULL, NULL, NULL,
 694                                      NULL, NULL, NULL);
 695         if (!NT_STATUS_IS_OK(status)) {
 696                 printf("Failed to file info %s: %s\n", filename,
 697                        nt_errstr(status));
 698         }
 699
 700         cli_close(cli, fnum);
 701
 702         return mode;
 703 }
 704
 705 /*****************************************************
 706 get sec desc for filename
 707 *******************************************************/
 708 static struct security_descriptor *get_secdesc(struct cli_state *cli, const char *filename)
 709 {
 710         uint16_t fnum = (uint16_t)-1;
 711         struct security_descriptor *sd;
 712         NTSTATUS status;
 713
 714         /* The desired access below is the only one I could find that works
 715            with NT4, W2KP and Samba */
 716
 717         status = cli_ntcreate(cli, filename, 0, CREATE_ACCESS_READ,
 718                               0, FILE_SHARE_READ|FILE_SHARE_WRITE,
 719                               FILE_OPEN, 0x0, 0x0, &fnum);
 720         if (!NT_STATUS_IS_OK(status)) {
 721                 printf("Failed to open %s: %s\n", filename, nt_errstr(status));
 722                 return NULL;
 723         }
 724
 725         status = cli_query_secdesc(cli, fnum, talloc_tos(), &sd);
 726
 727         cli_close(cli, fnum);
 728
 729         if (!NT_STATUS_IS_OK(status)) {
 730                 printf("Failed to get security descriptor: %s\n",
 731                        nt_errstr(status));
 732                 return NULL;
 733         }
 734         return sd;
 735 }
 736
 737 /*****************************************************
 738 set sec desc for filename
 739 *******************************************************/
 740 static bool set_secdesc(struct cli_state *cli, const char *filename,
 741                         struct security_descriptor *sd)
 742 {
 743         uint16_t fnum = (uint16_t)-1;
 744         bool result=true;
 745         NTSTATUS status;
 746
 747         /* The desired access below is the only one I could find that works
 748            with NT4, W2KP and Samba */
 749
 750         status = cli_ntcreate(cli, filename, 0,
 751                               WRITE_DAC_ACCESS|WRITE_OWNER_ACCESS,
 752                               0, FILE_SHARE_READ|FILE_SHARE_WRITE,
 753                               FILE_OPEN, 0x0, 0x0, &fnum);
 754         if (!NT_STATUS_IS_OK(status)) {
 755                 printf("Failed to open %s: %s\n", filename, nt_errstr(status));
 756                 return false;
 757         }
 758
 759         status = cli_set_secdesc(cli, fnum, sd);
 760         if (!NT_STATUS_IS_OK(status)) {
 761                 printf("ERROR: security description set failed: %s\n",
 762                        nt_errstr(status));
 763                 result=false;
 764         }
 765
 766         cli_close(cli, fnum);
 767         return result;
 768 }
 769
 770 /*****************************************************
 771 dump the acls for a file
 772 *******************************************************/
 773 static int cacl_dump(struct cli_state *cli, const char *filename)
 774 {
 775         int result = EXIT_FAILED;
 776         struct security_descriptor *sd;
 777
 778         if (test_args)
 779                 return EXIT_OK;
 780
 781         sd = get_secdesc(cli, filename);
 782
 783         if (sd) {
 784                 if (sddl) {
 785                         printf("%s\n", sddl_encode(talloc_tos(), sd,
 786                                            get_global_sam_sid()));
 787                 } else {
 788                         sec_desc_print(cli, stdout, sd);
 789                 }
 790                 result = EXIT_OK;
 791         }
 792
 793         return result;
 794 }
 795
 796 /*****************************************************
 797 Change the ownership or group ownership of a file. Just
 798 because the NT docs say this can't be done :-). JRA.
 799 *******************************************************/
 800
 801 static int owner_set(struct cli_state *cli, enum chown_mode change_mode,
 802                         const char *filename, const char *new_username)
 803 {
 804         struct dom_sid sid;
 805         struct security_descriptor *sd, *old;
 806         size_t sd_size;
 807
 808         if (!StringToSid(cli, &sid, new_username))
 809                 return EXIT_PARSE_ERROR;
 810
 811         old = get_secdesc(cli, filename);
 812
 813         if (!old) {
 814                 return EXIT_FAILED;
 815         }
 816
 817         sd = make_sec_desc(talloc_tos(),old->revision, old->type,
 818                                 (change_mode == REQUEST_CHOWN) ? &sid : NULL,
 819                                 (change_mode == REQUEST_CHGRP) ? &sid : NULL,
 820                            NULL, NULL, &sd_size);
 821
 822         if (!set_secdesc(cli, filename, sd)) {
 823                 return EXIT_FAILED;
 824         }
 825
 826         return EXIT_OK;
 827 }
 828
 829
 830 /* The MSDN is contradictory over the ordering of ACE entries in an
 831    ACL.  However NT4 gives a "The information may have been modified
 832    by a computer running Windows NT 5.0" if denied ACEs do not appear
 833    before allowed ACEs. At
 834    http://technet.microsoft.com/en-us/library/cc781716.aspx the
 835    canonical order is specified as "Explicit Deny, Explicit Allow,
 836    Inherited ACEs unchanged" */
 837
 838 static int ace_compare(struct security_ace *ace1, struct security_ace *ace2)
 839 {
 840         if (sec_ace_equal(ace1, ace2))
 841                 return 0;
 842
 843         if ((ace1->flags & SEC_ACE_FLAG_INHERITED_ACE) &&
 844                         !(ace2->flags & SEC_ACE_FLAG_INHERITED_ACE))
 845                 return 1;
 846         if (!(ace1->flags & SEC_ACE_FLAG_INHERITED_ACE) &&
 847                         (ace2->flags & SEC_ACE_FLAG_INHERITED_ACE))
 848                 return -1;
 849         if ((ace1->flags & SEC_ACE_FLAG_INHERITED_ACE) &&
 850                         (ace2->flags & SEC_ACE_FLAG_INHERITED_ACE))
 851                 return ace1 - ace2;
 852
 853         if (ace1->type != ace2->type)
 854                 return ace2->type - ace1->type;
 855
 856         if (dom_sid_compare(&ace1->trustee, &ace2->trustee))
 857                 return dom_sid_compare(&ace1->trustee, &ace2->trustee);
 858
 859         if (ace1->flags != ace2->flags)
 860                 return ace1->flags - ace2->flags;
 861
 862         if (ace1->access_mask != ace2->access_mask)
 863                 return ace1->access_mask - ace2->access_mask;
 864
 865         if (ace1->size != ace2->size)
 866                 return ace1->size - ace2->size;
 867
 868         return memcmp(ace1, ace2, sizeof(struct security_ace));
 869 }
 870
 871 static void sort_acl(struct security_acl *the_acl)
 872 {
 873         uint32 i;
 874         if (!the_acl) return;
 875
 876         TYPESAFE_QSORT(the_acl->aces, the_acl->num_aces, ace_compare);
 877
 878         for (i=1;i<the_acl->num_aces;) {
 879                 if (sec_ace_equal(&the_acl->aces[i-1], &the_acl->aces[i])) {
 880                         int j;
 881                         for (j=i; j<the_acl->num_aces-1; j++) {
 882                                 the_acl->aces[j] = the_acl->aces[j+1];
 883                         }
 884                         the_acl->num_aces--;
 885                 } else {
 886                         i++;
 887                 }
 888         }
 889 }
 890
 891 /*****************************************************
 892 set the ACLs on a file given an ascii description
 893 *******************************************************/
 894
 895 static int cacl_set(struct cli_state *cli, const char *filename,
 896                     char *the_acl, enum acl_mode mode)
 897 {
 898         struct security_descriptor *sd, *old;
 899         uint32 i, j;
 900         size_t sd_size;
 901         int result = EXIT_OK;
 902
 903         if (sddl) {
 904                 sd = sddl_decode(talloc_tos(), the_acl, get_global_sam_sid());
 905         } else {
 906                 sd = sec_desc_parse(talloc_tos(), cli, the_acl);
 907         }
 908
 909         if (!sd) return EXIT_PARSE_ERROR;
 910         if (test_args) return EXIT_OK;
 911
 912         old = get_secdesc(cli, filename);
 913
 914         if (!old) {
 915                 return EXIT_FAILED;
 916         }
 917
 918         /* the logic here is rather more complex than I would like */
 919         switch (mode) {
 920         case SMB_ACL_DELETE:
 921                 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
 922                         bool found = False;
 923
 924                         for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
 925                                 if (sec_ace_equal(&sd->dacl->aces[i],
 926                                                   &old->dacl->aces[j])) {
 927                                         uint32 k;
 928                                         for (k=j; k<old->dacl->num_aces-1;k++) {
 929                                                 old->dacl->aces[k] = old->dacl->aces[k+1];
 930                                         }
 931                                         old->dacl->num_aces--;
 932                                         found = True;
 933                                         break;
 934                                 }
 935                         }
 936
 937                         if (!found) {
 938                                 printf("ACL for ACE:");
 939                                 print_ace(cli, stdout, &sd->dacl->aces[i]);
 940                                 printf(" not found\n");
 941                         }
 942                 }
 943                 break;
 944
 945         case SMB_ACL_MODIFY:
 946                 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
 947                         bool found = False;
 948
 949                         for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
 950                                 if (dom_sid_equal(&sd->dacl->aces[i].trustee,
 951                                               &old->dacl->aces[j].trustee)) {
 952                                         old->dacl->aces[j] = sd->dacl->aces[i];
 953                                         found = True;
 954                                 }
 955                         }
 956
 957                         if (!found) {
 958                                 fstring str;
 959
 960                                 SidToString(cli, str,
 961                                             &sd->dacl->aces[i].trustee);
 962                                 printf("ACL for SID %s not found\n", str);
 963                         }
 964                 }
 965
 966                 if (sd->owner_sid) {
 967                         old->owner_sid = sd->owner_sid;
 968                 }
 969
 970                 if (sd->group_sid) {
 971                         old->group_sid = sd->group_sid;
 972                 }
 973
 974                 break;
 975
 976         case SMB_ACL_ADD:
 977                 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
 978                         add_ace(&old->dacl, &sd->dacl->aces[i]);
 979                 }
 980                 break;
 981
 982         case SMB_ACL_SET:
 983                 old = sd;
 984                 break;
 985         }
 986
 987         /* Denied ACE entries must come before allowed ones */
 988         sort_acl(old->dacl);
 989
 990         /* Create new security descriptor and set it */
 991
 992         /* We used to just have "WRITE_DAC_ACCESS" without WRITE_OWNER.
 993            But if we're sending an owner, even if it's the same as the one
 994            that already exists then W2K3 insists we open with WRITE_OWNER access.
 995            I need to check that setting a SD with no owner set works against WNT
 996            and W2K. JRA.
 997         */
 998
 999         sd = make_sec_desc(talloc_tos(),old->revision, old->type,
1000                            old->owner_sid, old->group_sid,
1001                            NULL, old->dacl, &sd_size);
1002
1003         if (!set_secdesc(cli, filename, sd)) {
1004                 result = EXIT_FAILED;
1005         }
1006
1007         return result;
1008 }
1009
1010 /*****************************************************
1011 set the inherit on a file
1012 *******************************************************/
1013 static int inherit(struct cli_state *cli, const char *filename,
1014                    const char *type)
1015 {
1016         struct security_descriptor *old,*sd;
1017         uint32 oldattr;
1018         size_t sd_size;
1019         int result = EXIT_OK;
1020
1021         old = get_secdesc(cli, filename);
1022
1023         if (!old) {
1024                 return EXIT_FAILED;
1025         }
1026
1027         oldattr = get_fileinfo(cli,filename);
1028
1029         if (strcmp(type,"allow")==0) {
1030                 if ((old->type & SEC_DESC_DACL_PROTECTED) ==
1031                     SEC_DESC_DACL_PROTECTED) {
1032                         int i;
1033                         char *parentname,*temp;
1034                         struct security_descriptor *parent;
1035                         temp = talloc_strdup(talloc_tos(), filename);
1036
1037                         old->type=old->type & (~SEC_DESC_DACL_PROTECTED);
1038
1039                         /* look at parent and copy in all its inheritable ACL's. */
1040                         string_replace(temp, '\\', '/');
1041                         if (!parent_dirname(talloc_tos(),temp,&parentname,NULL)) {
1042                                 return EXIT_FAILED;
1043                         }
1044                         string_replace(parentname, '/', '\\');
1045                         parent = get_secdesc(cli,parentname);
1046                         if (parent == NULL) {
1047                                 return EXIT_FAILED;
1048                         }
1049                         for (i=0;i<parent->dacl->num_aces;i++) {
1050                                 struct security_ace *ace=&parent->dacl->aces[i];
1051                                 /* Add inherited flag to all aces */
1052                                 ace->flags=ace->flags|
1053                                            SEC_ACE_FLAG_INHERITED_ACE;
1054                                 if ((oldattr & FILE_ATTRIBUTE_DIRECTORY) == FILE_ATTRIBUTE_DIRECTORY) {
1055                                         if ((ace->flags & SEC_ACE_FLAG_CONTAINER_INHERIT) ==
1056                                             SEC_ACE_FLAG_CONTAINER_INHERIT) {
1057                                                 add_ace(&old->dacl, ace);
1058                                         }
1059                                 } else {
1060                                         if ((ace->flags & SEC_ACE_FLAG_OBJECT_INHERIT) ==
1061                                             SEC_ACE_FLAG_OBJECT_INHERIT) {
1062                                                 /* clear flags for files */
1063                                                 ace->flags=0;
1064                                                 add_ace(&old->dacl, ace);
1065                                         }
1066                                 }
1067                         }
1068                 } else {
1069                         printf("Already set to inheritable permissions.\n");
1070                         return EXIT_FAILED;
1071                 }
1072         } else if (strcmp(type,"remove")==0) {
1073                 if ((old->type & SEC_DESC_DACL_PROTECTED) !=
1074                     SEC_DESC_DACL_PROTECTED) {
1075                         old->type=old->type | SEC_DESC_DACL_PROTECTED;
1076
1077                         /* remove all inherited ACL's. */
1078                         if (old->dacl) {
1079                                 int i;
1080                                 struct security_acl *temp=old->dacl;
1081                                 old->dacl=make_sec_acl(talloc_tos(), 3, 0, NULL);
1082                                 for (i=temp->num_aces-1;i>=0;i--) {
1083                                         struct security_ace *ace=&temp->aces[i];
1084                                         /* Remove all ace with INHERITED flag set */
1085                                         if ((ace->flags & SEC_ACE_FLAG_INHERITED_ACE) !=
1086                                             SEC_ACE_FLAG_INHERITED_ACE) {
1087                                                 add_ace(&old->dacl,ace);
1088                                         }
1089                                 }
1090                         }
1091                 } else {
1092                         printf("Already set to no inheritable permissions.\n");
1093                         return EXIT_FAILED;
1094                 }
1095         } else if (strcmp(type,"copy")==0) {
1096                 if ((old->type & SEC_DESC_DACL_PROTECTED) !=
1097                     SEC_DESC_DACL_PROTECTED) {
1098                         old->type=old->type | SEC_DESC_DACL_PROTECTED;
1099
1100                         /* convert all inherited ACL's to non inherated ACL's. */
1101                         if (old->dacl) {
1102                                 int i;
1103                                 for (i=0;i<old->dacl->num_aces;i++) {
1104                                         struct security_ace *ace=&old->dacl->aces[i];
1105                                         /* Remove INHERITED FLAG from all aces */
1106                                         ace->flags=ace->flags&(~SEC_ACE_FLAG_INHERITED_ACE);
1107                                 }
1108                         }
1109                 } else {
1110                         printf("Already set to no inheritable permissions.\n");
1111                         return EXIT_FAILED;
1112                 }
1113         }
1114
1115         /* Denied ACE entries must come before allowed ones */
1116         sort_acl(old->dacl);
1117
1118         sd = make_sec_desc(talloc_tos(),old->revision, old->type,
1119                            old->owner_sid, old->group_sid,
1120                            NULL, old->dacl, &sd_size);
1121
1122         if (!set_secdesc(cli, filename, sd)) {
1123                 result = EXIT_FAILED;
1124         }
1125
1126         return result;
1127 }
1128
1129 /*****************************************************
1130  Return a connection to a server.
1131 *******************************************************/
1132 static struct cli_state *connect_one(struct user_auth_info *auth_info,
1133                                      const char *server, const char *share)
1134 {
1135         struct cli_state *c = NULL;
1136         NTSTATUS nt_status;
1137         uint32_t flags = 0;
1138
1139         if (get_cmdline_auth_info_use_kerberos(auth_info)) {
1140                 flags |= CLI_FULL_CONNECTION_USE_KERBEROS |
1141                          CLI_FULL_CONNECTION_FALLBACK_AFTER_KERBEROS;
1142         }
1143
1144         if (get_cmdline_auth_info_use_machine_account(auth_info) &&
1145             !set_cmdline_auth_info_machine_account_creds(auth_info)) {
1146                 return NULL;
1147         }
1148
1149         set_cmdline_auth_info_getpass(auth_info);
1150
1151         nt_status = cli_full_connection(&c, lp_netbios_name(), server,
1152                                 NULL, 0,
1153                                 share, "?????",
1154                                 get_cmdline_auth_info_username(auth_info),
1155                                 lp_workgroup(),
1156                                 get_cmdline_auth_info_password(auth_info),
1157                                 flags,
1158                                 get_cmdline_auth_info_signing_state(auth_info));
1159         if (!NT_STATUS_IS_OK(nt_status)) {
1160                 DEBUG(0,("cli_full_connection failed! (%s)\n", nt_errstr(nt_status)));
1161                 return NULL;
1162         }
1163
1164         if (get_cmdline_auth_info_smb_encrypt(auth_info)) {
1165                 nt_status = cli_cm_force_encryption(c,
1166                                         get_cmdline_auth_info_username(auth_info),
1167                                         get_cmdline_auth_info_password(auth_info),
1168                                         lp_workgroup(),
1169                                         share);
1170                 if (!NT_STATUS_IS_OK(nt_status)) {
1171                         cli_shutdown(c);
1172                         c = NULL;
1173                 }
1174         }
1175
1176         return c;
1177 }
1178
1179 /****************************************************************************
1180   main program
1181 ****************************************************************************/
1182  int main(int argc, const char *argv[])
1183 {
1184         char *share;
1185         int opt;
1186         enum acl_mode mode = SMB_ACL_SET;
1187         static char *the_acl = NULL;
1188         enum chown_mode change_mode = REQUEST_NONE;
1189         int result;
1190         char *path;
1191         char *filename = NULL;
1192         poptContext pc;
1193         struct poptOption long_options[] = {
1194                 POPT_AUTOHELP
1195                 { "delete", 'D', POPT_ARG_STRING, NULL, 'D', "Delete an acl", "ACL" },
1196                 { "modify", 'M', POPT_ARG_STRING, NULL, 'M', "Modify an acl", "ACL" },
1197                 { "add", 'a', POPT_ARG_STRING, NULL, 'a', "Add an acl", "ACL" },
1198                 { "set", 'S', POPT_ARG_STRING, NULL, 'S', "Set acls", "ACLS" },
1199                 { "chown", 'C', POPT_ARG_STRING, NULL, 'C', "Change ownership of a file", "USERNAME" },
1200                 { "chgrp", 'G', POPT_ARG_STRING, NULL, 'G', "Change group ownership of a file", "GROUPNAME" },
1201                 { "inherit", 'I', POPT_ARG_STRING, NULL, 'I', "Inherit allow|remove|copy" },
1202                 { "numeric", 0, POPT_ARG_NONE, &numeric, 1, "Don't resolve sids or masks to names" },
1203                 { "sddl", 0, POPT_ARG_NONE, &sddl, 1, "Output and input acls in sddl format" },
1204                 { "test-args", 't', POPT_ARG_NONE, &test_args, 1, "Test arguments"},
1205                 POPT_COMMON_SAMBA
1206                 POPT_COMMON_CONNECTION
1207                 POPT_COMMON_CREDENTIALS
1208                 POPT_TABLEEND
1209         };
1210
1211         struct cli_state *cli;
1212         TALLOC_CTX *frame = talloc_stackframe();
1213         const char *owner_username = "";
1214         char *server;
1215         struct user_auth_info *auth_info;
1216
1217         load_case_tables();
1218
1219         /* set default debug level to 1 regardless of what smb.conf sets */
1220         setup_logging( "smbcacls", DEBUG_STDERR);
1221         lp_set_cmdline("log level", "1");
1222
1223         setlinebuf(stdout);
1224
1225         lp_load_global(get_dyn_CONFIGFILE());
1226         load_interfaces();
1227
1228         auth_info = user_auth_info_init(frame);
1229         if (auth_info == NULL) {
1230                 exit(1);
1231         }
1232         popt_common_set_auth_info(auth_info);
1233
1234         pc = poptGetContext("smbcacls", argc, argv, long_options, 0);
1235
1236         poptSetOtherOptionHelp(pc, "//server1/share1 filename\nACLs look like: "
1237                 "'ACL:user:[ALLOWED|DENIED]/flags/permissions'");
1238
1239         while ((opt = poptGetNextOpt(pc)) != -1) {
1240                 switch (opt) {
1241                 case 'S':
1242                         the_acl = smb_xstrdup(poptGetOptArg(pc));
1243                         mode = SMB_ACL_SET;
1244                         break;
1245
1246                 case 'D':
1247                         the_acl = smb_xstrdup(poptGetOptArg(pc));
1248                         mode = SMB_ACL_DELETE;
1249                         break;
1250
1251                 case 'M':
1252                         the_acl = smb_xstrdup(poptGetOptArg(pc));
1253                         mode = SMB_ACL_MODIFY;
1254                         break;
1255
1256                 case 'a':
1257                         the_acl = smb_xstrdup(poptGetOptArg(pc));
1258                         mode = SMB_ACL_ADD;
1259                         break;
1260
1261                 case 'C':
1262                         owner_username = poptGetOptArg(pc);
1263                         change_mode = REQUEST_CHOWN;
1264                         break;
1265
1266                 case 'G':
1267                         owner_username = poptGetOptArg(pc);
1268                         change_mode = REQUEST_CHGRP;
1269                         break;
1270
1271                 case 'I':
1272                         owner_username = poptGetOptArg(pc);
1273                         change_mode = REQUEST_INHERIT;
1274                         break;
1275                 }
1276         }
1277
1278         /* Make connection to server */
1279         if(!poptPeekArg(pc)) {
1280                 poptPrintUsage(pc, stderr, 0);
1281                 return -1;
1282         }
1283
1284         path = talloc_strdup(frame, poptGetArg(pc));
1285         if (!path) {
1286                 return -1;
1287         }
1288
1289         if(!poptPeekArg(pc)) {
1290                 poptPrintUsage(pc, stderr, 0);
1291                 return -1;
1292         }
1293
1294         filename = talloc_strdup(frame, poptGetArg(pc));
1295         if (!filename) {
1296                 return -1;
1297         }
1298
1299         string_replace(path,'/','\\');
1300
1301         server = talloc_strdup(frame, path+2);
1302         if (!server) {
1303                 return -1;
1304         }
1305         share = strchr_m(server,'\\');
1306         if (!share) {
1307                 printf("Invalid argument: %s\n", share);
1308                 return -1;
1309         }
1310
1311         *share = 0;
1312         share++;
1313
1314         if (!test_args) {
1315                 cli = connect_one(auth_info, server, share);
1316                 if (!cli) {
1317                         exit(EXIT_FAILED);
1318                 }
1319         } else {
1320                 exit(0);
1321         }
1322
1323         string_replace(filename, '/', '\\');
1324         if (filename[0] != '\\') {
1325                 filename = talloc_asprintf(frame,
1326                                 "\\%s",
1327                                 filename);
1328                 if (!filename) {
1329                         return -1;
1330                 }
1331         }
1332
1333         /* Perform requested action */
1334
1335         if (change_mode == REQUEST_INHERIT) {
1336                 result = inherit(cli, filename, owner_username);
1337         } else if (change_mode != REQUEST_NONE) {
1338                 result = owner_set(cli, change_mode, filename, owner_username);
1339         } else if (the_acl) {
1340                 result = cacl_set(cli, filename, the_acl, mode);
1341         } else {
1342                 result = cacl_dump(cli, filename);
1343         }
1344
1345         TALLOC_FREE(frame);
1346
1347         return result;
1348 }