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