source3/utils/sharesec.c

   1 /*
   2  *  Unix SMB/Netbios implementation.
   3  *  Utility for managing share permissions
   4  *
   5  *  Copyright (C) Tim Potter                    2000
   6  *  Copyright (C) Jeremy Allison                2000
   7  *  Copyright (C) Jelmer Vernooij               2003
   8  *  Copyright (C) Gerald (Jerry) Carter         2005.
   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
  25 #include "includes.h"
  26 #include "popt_common.h"
  27 #include "../libcli/security/security.h"
  28 #include "../librpc/gen_ndr/ndr_security.h"
  29 #include "passdb/machine_sid.h"
  30
  31 static TALLOC_CTX *ctx;
  32
  33 enum acl_mode { SMB_ACL_DELETE,
  34                 SMB_ACL_MODIFY,
  35                 SMB_ACL_ADD,
  36                 SMB_ACL_SET,
  37                 SMB_SD_DELETE,
  38                 SMB_SD_SETSDDL,
  39                 SMB_SD_VIEWSDDL,
  40                 SMB_ACL_VIEW,
  41                 SMB_ACL_VIEW_ALL };
  42
  43 struct perm_value {
  44         const char *perm;
  45         uint32 mask;
  46 };
  47
  48 /* These values discovered by inspection */
  49
  50 static const struct perm_value special_values[] = {
  51         { "R", SEC_RIGHTS_FILE_READ },
  52         { "W", SEC_RIGHTS_FILE_WRITE },
  53         { "X", SEC_RIGHTS_FILE_EXECUTE },
  54         { "D", SEC_STD_DELETE },
  55         { "P", SEC_STD_WRITE_DAC },
  56         { "O", SEC_STD_WRITE_OWNER },
  57         { NULL, 0 },
  58 };
  59
  60 #define SEC_RIGHTS_DIR_CHANGE ( SEC_RIGHTS_DIR_READ|SEC_STD_DELETE|\
  61                                 SEC_RIGHTS_DIR_WRITE|SEC_DIR_TRAVERSE )
  62
  63 static const struct perm_value standard_values[] = {
  64         { "READ",   SEC_RIGHTS_DIR_READ|SEC_DIR_TRAVERSE },
  65         { "CHANGE", SEC_RIGHTS_DIR_CHANGE },
  66         { "FULL",   SEC_RIGHTS_DIR_ALL },
  67         { NULL, 0 },
  68 };
  69
  70 /********************************************************************
  71  parse an ACE in the same format as print_ace()
  72 ********************************************************************/
  73
  74 static bool parse_ace(struct security_ace *ace, const char *orig_str)
  75 {
  76         char *p;
  77         const char *cp;
  78         char *tok;
  79         unsigned int atype = 0;
  80         unsigned int aflags = 0;
  81         unsigned int amask = 0;
  82         struct dom_sid sid;
  83         uint32_t mask;
  84         const struct perm_value *v;
  85         char *str = SMB_STRDUP(orig_str);
  86         TALLOC_CTX *frame = talloc_stackframe();
  87
  88         if (!str) {
  89                 TALLOC_FREE(frame);
  90                 return False;
  91         }
  92
  93         ZERO_STRUCTP(ace);
  94         p = strchr_m(str,':');
  95         if (!p) {
  96                 fprintf(stderr, "ACE '%s': missing ':'.\n", orig_str);
  97                 SAFE_FREE(str);
  98                 TALLOC_FREE(frame);
  99                 return False;
 100         }
 101         *p = '\0';
 102         p++;
 103         /* Try to parse numeric form */
 104
 105         if (sscanf(p, "%u/%u/%u", &atype, &aflags, &amask) == 3 &&
 106             string_to_sid(&sid, str)) {
 107                 goto done;
 108         }
 109
 110         /* Try to parse text form */
 111
 112         if (!string_to_sid(&sid, str)) {
 113                 fprintf(stderr, "ACE '%s': failed to convert '%s' to SID\n",
 114                         orig_str, str);
 115                 SAFE_FREE(str);
 116                 TALLOC_FREE(frame);
 117                 return False;
 118         }
 119
 120         cp = p;
 121         if (!next_token_talloc(frame, &cp, &tok, "/")) {
 122                 fprintf(stderr, "ACE '%s': failed to find '/' character.\n",
 123                         orig_str);
 124                 SAFE_FREE(str);
 125                 TALLOC_FREE(frame);
 126                 return False;
 127         }
 128
 129         if (strncmp(tok, "ALLOWED", strlen("ALLOWED")) == 0) {
 130                 atype = SEC_ACE_TYPE_ACCESS_ALLOWED;
 131         } else if (strncmp(tok, "DENIED", strlen("DENIED")) == 0) {
 132                 atype = SEC_ACE_TYPE_ACCESS_DENIED;
 133         } else {
 134                 fprintf(stderr, "ACE '%s': missing 'ALLOWED' or 'DENIED' "
 135                         "entry at '%s'\n", orig_str, tok);
 136                 SAFE_FREE(str);
 137                 TALLOC_FREE(frame);
 138                 return False;
 139         }
 140
 141         /* Only numeric form accepted for flags at present */
 142         /* no flags on share permissions */
 143
 144         if (!(next_token_talloc(frame, &cp, &tok, "/") &&
 145               sscanf(tok, "%u", &aflags) && aflags == 0)) {
 146                 fprintf(stderr, "ACE '%s': bad integer flags entry at '%s'\n",
 147                         orig_str, tok);
 148                 SAFE_FREE(str);
 149                 TALLOC_FREE(frame);
 150                 return False;
 151         }
 152
 153         if (!next_token_talloc(frame, &cp, &tok, "/")) {
 154                 fprintf(stderr, "ACE '%s': missing / at '%s'\n",
 155                         orig_str, tok);
 156                 SAFE_FREE(str);
 157                 TALLOC_FREE(frame);
 158                 return False;
 159         }
 160
 161         if (strncmp(tok, "0x", 2) == 0) {
 162                 if (sscanf(tok, "%u", &amask) != 1) {
 163                         fprintf(stderr, "ACE '%s': bad hex number at '%s'\n",
 164                                 orig_str, tok);
 165                         TALLOC_FREE(frame);
 166                         SAFE_FREE(str);
 167                         return False;
 168                 }
 169                 goto done;
 170         }
 171
 172         for (v = standard_values; v->perm; v++) {
 173                 if (strcmp(tok, v->perm) == 0) {
 174                         amask = v->mask;
 175                         goto done;
 176                 }
 177         }
 178
 179         p = tok;
 180
 181         while(*p) {
 182                 bool found = False;
 183
 184                 for (v = special_values; v->perm; v++) {
 185                         if (v->perm[0] == *p) {
 186                                 amask |= v->mask;
 187                                 found = True;
 188                         }
 189                 }
 190
 191                 if (!found) {
 192                         fprintf(stderr, "ACE '%s': bad permission value at "
 193                                 "'%s'\n", orig_str, p);
 194                         TALLOC_FREE(frame);
 195                         SAFE_FREE(str);
 196                         return False;
 197                 }
 198                 p++;
 199         }
 200
 201         if (*p) {
 202                 TALLOC_FREE(frame);
 203                 SAFE_FREE(str);
 204                 return False;
 205         }
 206
 207  done:
 208         mask = amask;
 209         init_sec_ace(ace, &sid, atype, mask, aflags);
 210         SAFE_FREE(str);
 211         TALLOC_FREE(frame);
 212         return True;
 213 }
 214
 215
 216 /********************************************************************
 217 ********************************************************************/
 218
 219 static struct security_descriptor* parse_acl_string(TALLOC_CTX *mem_ctx, const char *szACL, size_t *sd_size )
 220 {
 221         struct security_descriptor *sd = NULL;
 222         struct security_ace *ace;
 223         struct security_acl *theacl;
 224         int num_ace;
 225         const char *pacl;
 226         int i;
 227
 228         if ( !szACL )
 229                 return NULL;
 230
 231         pacl = szACL;
 232         num_ace = count_chars( pacl, ',' ) + 1;
 233
 234         if ( !(ace = talloc_zero_array( mem_ctx, struct security_ace, num_ace )) )
 235                 return NULL;
 236
 237         for ( i=0; i<num_ace; i++ ) {
 238                 char *end_acl = strchr_m( pacl, ',' );
 239                 fstring acl_string;
 240
 241                 strncpy( acl_string, pacl, MIN( PTR_DIFF( end_acl, pacl ), sizeof(fstring)-1) );
 242                 acl_string[MIN( PTR_DIFF( end_acl, pacl ), sizeof(fstring)-1)] = '\0';
 243
 244                 if ( !parse_ace( &ace[i], acl_string ) )
 245                         return NULL;
 246
 247                 pacl = end_acl;
 248                 pacl++;
 249         }
 250
 251         if ( !(theacl = make_sec_acl( mem_ctx, NT4_ACL_REVISION, num_ace, ace )) )
 252                 return NULL;
 253
 254         sd = make_sec_desc( mem_ctx, SD_REVISION, SEC_DESC_SELF_RELATIVE,
 255                 NULL, NULL, NULL, theacl, sd_size);
 256
 257         return sd;
 258 }
 259
 260 /* add an ACE to a list of ACEs in a struct security_acl */
 261 static bool add_ace(TALLOC_CTX *mem_ctx, struct security_acl **the_acl, struct security_ace *ace)
 262 {
 263         struct security_acl *new_ace;
 264         struct security_ace *aces;
 265         if (! *the_acl) {
 266                 return (((*the_acl) = make_sec_acl(mem_ctx, 3, 1, ace)) != NULL);
 267         }
 268
 269         if (!(aces = SMB_CALLOC_ARRAY(struct security_ace, 1+(*the_acl)->num_aces))) {
 270                 return False;
 271         }
 272         memcpy(aces, (*the_acl)->aces, (*the_acl)->num_aces * sizeof(struct
 273         security_ace));
 274         memcpy(aces+(*the_acl)->num_aces, ace, sizeof(struct security_ace));
 275         new_ace = make_sec_acl(mem_ctx,(*the_acl)->revision,1+(*the_acl)->num_aces, aces);
 276         SAFE_FREE(aces);
 277         (*the_acl) = new_ace;
 278         return True;
 279 }
 280
 281 /* The MSDN is contradictory over the ordering of ACE entries in an ACL.
 282    However NT4 gives a "The information may have been modified by a
 283    computer running Windows NT 5.0" if denied ACEs do not appear before
 284    allowed ACEs. */
 285
 286 static int ace_compare(struct security_ace *ace1, struct security_ace *ace2)
 287 {
 288         if (security_ace_equal(ace1, ace2))
 289                 return 0;
 290
 291         if (ace1->type != ace2->type)
 292                 return ace2->type - ace1->type;
 293
 294         if (dom_sid_compare(&ace1->trustee, &ace2->trustee))
 295                 return dom_sid_compare(&ace1->trustee, &ace2->trustee);
 296
 297         if (ace1->flags != ace2->flags)
 298                 return ace1->flags - ace2->flags;
 299
 300         if (ace1->access_mask != ace2->access_mask)
 301                 return ace1->access_mask - ace2->access_mask;
 302
 303         if (ace1->size != ace2->size)
 304                 return ace1->size - ace2->size;
 305
 306         return memcmp(ace1, ace2, sizeof(struct security_ace));
 307 }
 308
 309 static void sort_acl(struct security_acl *the_acl)
 310 {
 311         uint32 i;
 312         if (!the_acl) return;
 313
 314         TYPESAFE_QSORT(the_acl->aces, the_acl->num_aces, ace_compare);
 315
 316         for (i=1;i<the_acl->num_aces;) {
 317                 if (security_ace_equal(&the_acl->aces[i-1],
 318                                        &the_acl->aces[i])) {
 319                         int j;
 320                         for (j=i; j<the_acl->num_aces-1; j++) {
 321                                 the_acl->aces[j] = the_acl->aces[j+1];
 322                         }
 323                         the_acl->num_aces--;
 324                 } else {
 325                         i++;
 326                 }
 327         }
 328 }
 329
 330
 331 static int change_share_sec(TALLOC_CTX *mem_ctx, const char *sharename, char *the_acl, enum acl_mode mode)
 332 {
 333         struct security_descriptor *sd = NULL;
 334         struct security_descriptor *old = NULL;
 335         size_t sd_size = 0;
 336         uint32 i, j;
 337         char *sd_str;
 338
 339         if (mode != SMB_ACL_SET && mode != SMB_SD_DELETE) {
 340             if (!(old = get_share_security( mem_ctx, sharename, &sd_size )) ) {
 341                 fprintf(stderr, "Unable to retrieve permissions for share "
 342                         "[%s]\n", sharename);
 343                 return -1;
 344             }
 345         }
 346
 347         if ( (mode != SMB_ACL_VIEW && mode != SMB_SD_DELETE) &&
 348             !(sd = parse_acl_string(mem_ctx, the_acl, &sd_size )) ) {
 349                 fprintf( stderr, "Failed to parse acl\n");
 350                 return -1;
 351         }
 352
 353         switch (mode) {
 354         case SMB_ACL_VIEW_ALL:
 355                 /* should not happen */
 356                 return 0;
 357         case SMB_ACL_VIEW:
 358                 sd_str = ndr_print_struct_string(mem_ctx,
 359                                 (ndr_print_fn_t)ndr_print_security_descriptor,
 360                                 "", old);
 361                 fprintf(stdout, "%s\n", sd_str);
 362                 talloc_free(sd_str);
 363                 return 0;
 364         case SMB_ACL_DELETE:
 365             for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
 366                 bool found = False;
 367
 368                 for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
 369                     if (security_ace_equal(&sd->dacl->aces[i],
 370                                            &old->dacl->aces[j])) {
 371                         uint32 k;
 372                         for (k=j; k<old->dacl->num_aces-1;k++) {
 373                             old->dacl->aces[k] = old->dacl->aces[k+1];
 374                         }
 375                         old->dacl->num_aces--;
 376                         found = True;
 377                         break;
 378                     }
 379                 }
 380
 381                 if (!found) {
 382                         sd_str = ndr_print_struct_string(mem_ctx,
 383                                         (ndr_print_fn_t)ndr_print_security_ace,
 384                                         "", &sd->dacl->aces[i]);
 385                         printf("ACL for ACE: %s not found\n", sd_str);
 386                         talloc_free(sd_str);
 387                 }
 388             }
 389             break;
 390         case SMB_ACL_MODIFY:
 391             for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
 392                 bool found = False;
 393
 394                 for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
 395                     if (dom_sid_equal(&sd->dacl->aces[i].trustee,
 396                         &old->dacl->aces[j].trustee)) {
 397                         old->dacl->aces[j] = sd->dacl->aces[i];
 398                         found = True;
 399                     }
 400                 }
 401
 402                 if (!found) {
 403                     printf("ACL for SID %s not found\n",
 404                            sid_string_tos(&sd->dacl->aces[i].trustee));
 405                 }
 406             }
 407
 408             if (sd->owner_sid) {
 409                 old->owner_sid = sd->owner_sid;
 410             }
 411
 412             if (sd->group_sid) {
 413                 old->group_sid = sd->group_sid;
 414             }
 415             break;
 416         case SMB_ACL_ADD:
 417             for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
 418                 add_ace(mem_ctx, &old->dacl, &sd->dacl->aces[i]);
 419             }
 420             break;
 421         case SMB_ACL_SET:
 422             old = sd;
 423             break;
 424         case SMB_SD_DELETE:
 425             if (!delete_share_security(sharename)) {
 426                 fprintf( stderr, "Failed to delete security descriptor for "
 427                          "share [%s]\n", sharename );
 428                 return -1;
 429             }
 430             return 0;
 431         default:
 432                 fprintf(stderr, "invalid command\n");
 433                 return -1;
 434         }
 435
 436         /* Denied ACE entries must come before allowed ones */
 437         sort_acl(old->dacl);
 438
 439         if ( !set_share_security( sharename, old ) ) {
 440             fprintf( stderr, "Failed to store acl for share [%s]\n", sharename );
 441             return 2;
 442         }
 443         return 0;
 444 }
 445
 446 static int set_sharesec_sddl(const char *sharename, const char *sddl)
 447 {
 448         struct security_descriptor *sd;
 449         bool ret;
 450
 451         sd = sddl_decode(talloc_tos(), sddl, get_global_sam_sid());
 452         if (sd == NULL) {
 453                 fprintf(stderr, "Failed to parse acl\n");
 454                 return -1;
 455         }
 456
 457         ret = set_share_security(sharename, sd);
 458         TALLOC_FREE(sd);
 459         if (!ret) {
 460                 fprintf(stderr, "Failed to store acl for share [%s]\n",
 461                         sharename);
 462                 return -1;
 463         }
 464
 465         return 0;
 466 }
 467
 468 static int view_sharesec_sddl(const char *sharename)
 469 {
 470         struct security_descriptor *sd;
 471         size_t sd_size;
 472         char *acl;
 473
 474         sd = get_share_security(talloc_tos(), sharename, &sd_size);
 475         if (sd == NULL) {
 476                 fprintf(stderr, "Unable to retrieve permissions for share "
 477                         "[%s]\n", sharename);
 478                 return -1;
 479         }
 480
 481         acl = sddl_encode(talloc_tos(), sd, get_global_sam_sid());
 482         TALLOC_FREE(sd);
 483         if (acl == NULL) {
 484                 fprintf(stderr, "Unable to sddl-encode permissions for share "
 485                         "[%s]\n", sharename);
 486                 return -1;
 487         }
 488         printf("%s\n", acl);
 489         TALLOC_FREE(acl);
 490         return 0;
 491 }
 492
 493 /********************************************************************
 494   main program
 495 ********************************************************************/
 496
 497 enum {
 498         OPT_VIEW_ALL = 1000,
 499 };
 500
 501 int main(int argc, const char *argv[])
 502 {
 503         int opt;
 504         int retval = 0;
 505         enum acl_mode mode = SMB_ACL_SET;
 506         static char *the_acl = NULL;
 507         fstring sharename;
 508         bool force_acl = False;
 509         int snum;
 510         poptContext pc;
 511         bool initialize_sid = False;
 512         struct poptOption long_options[] = {
 513                 POPT_AUTOHELP
 514                 { "remove", 'r', POPT_ARG_STRING, &the_acl, 'r', "Remove ACEs", "ACL" },
 515                 { "modify", 'm', POPT_ARG_STRING, &the_acl, 'm', "Modify existing ACEs", "ACL" },
 516                 { "add", 'a', POPT_ARG_STRING, &the_acl, 'a', "Add ACEs", "ACL" },
 517                 { "replace", 'R', POPT_ARG_STRING, &the_acl, 'R', "Overwrite share permission ACL", "ACLS" },
 518                 { "delete", 'D', POPT_ARG_NONE, NULL, 'D', "Delete the entire security descriptor" },
 519                 { "setsddl", 'S', POPT_ARG_STRING, the_acl, 'S',
 520                   "Set the SD in sddl format" },
 521                 { "viewsddl", 'V', POPT_ARG_NONE, the_acl, 'V',
 522                   "View the SD in sddl format" },
 523                 { "view", 'v', POPT_ARG_NONE, NULL, 'v', "View current share permissions" },
 524                 { "view-all", 0, POPT_ARG_NONE, NULL, OPT_VIEW_ALL,
 525                   "View all current share permissions" },
 526                 { "machine-sid", 'M', POPT_ARG_NONE, NULL, 'M', "Initialize the machine SID" },
 527                 { "force", 'F', POPT_ARG_NONE, NULL, 'F', "Force storing the ACL", "ACLS" },
 528                 POPT_COMMON_SAMBA
 529                 { NULL }
 530         };
 531
 532         if ( !(ctx = talloc_stackframe()) ) {
 533                 fprintf( stderr, "Failed to initialize talloc context!\n");
 534                 return -1;
 535         }
 536
 537         /* set default debug level to 1 regardless of what smb.conf sets */
 538         setup_logging( "sharesec", DEBUG_STDERR);
 539
 540         smb_init_locale();
 541
 542         lp_set_cmdline("log level", "1");
 543
 544         pc = poptGetContext("sharesec", argc, argv, long_options, 0);
 545
 546         poptSetOtherOptionHelp(pc, "sharename\n");
 547
 548         while ((opt = poptGetNextOpt(pc)) != -1) {
 549                 switch (opt) {
 550                 case 'r':
 551                         the_acl = smb_xstrdup(poptGetOptArg(pc));
 552                         mode = SMB_ACL_DELETE;
 553                         break;
 554
 555                 case 'm':
 556                         the_acl = smb_xstrdup(poptGetOptArg(pc));
 557                         mode = SMB_ACL_MODIFY;
 558                         break;
 559
 560                 case 'a':
 561                         the_acl = smb_xstrdup(poptGetOptArg(pc));
 562                         mode = SMB_ACL_ADD;
 563                         break;
 564
 565                 case 'R':
 566                         the_acl = smb_xstrdup(poptGetOptArg(pc));
 567                         mode = SMB_ACL_SET;
 568                         break;
 569
 570                 case 'D':
 571                         mode = SMB_SD_DELETE;
 572                         break;
 573
 574                 case 'S':
 575                         mode = SMB_SD_SETSDDL;
 576                         the_acl = smb_xstrdup(poptGetOptArg(pc));
 577                         break;
 578
 579                 case 'V':
 580                         mode = SMB_SD_VIEWSDDL;
 581                         break;
 582
 583                 case 'v':
 584                         mode = SMB_ACL_VIEW;
 585                         break;
 586
 587                 case 'F':
 588                         force_acl = True;
 589                         break;
 590
 591                 case 'M':
 592                         initialize_sid = True;
 593                         break;
 594                 case OPT_VIEW_ALL:
 595                         mode = SMB_ACL_VIEW_ALL;
 596                         break;
 597                 }
 598         }
 599
 600         setlinebuf(stdout);
 601
 602         lp_load_with_registry_shares(get_dyn_CONFIGFILE(), False);
 603
 604         /* check for initializing secrets.tdb first */
 605
 606         if ( initialize_sid ) {
 607                 struct dom_sid *sid = get_global_sam_sid();
 608
 609                 if ( !sid ) {
 610                         fprintf( stderr, "Failed to retrieve Machine SID!\n");
 611                         return 3;
 612                 }
 613
 614                 printf ("%s\n", sid_string_tos( sid ) );
 615                 return 0;
 616         }
 617
 618         if ( mode == SMB_ACL_VIEW && force_acl ) {
 619                 fprintf( stderr, "Invalid combination of -F and -v\n");
 620                 return -1;
 621         }
 622
 623         if (mode == SMB_ACL_VIEW_ALL) {
 624                 int i;
 625
 626                 for (i=0; i<lp_numservices(); i++) {
 627                         TALLOC_CTX *frame = talloc_stackframe();
 628                         const char *service = lp_servicename(frame, i);
 629
 630                         if (service == NULL) {
 631                                 continue;
 632                         }
 633
 634                         printf("[%s]\n", service);
 635                         change_share_sec(frame, service, NULL, SMB_ACL_VIEW);
 636                         printf("\n");
 637                         TALLOC_FREE(frame);
 638                 }
 639                 goto done;
 640         }
 641
 642         /* get the sharename */
 643
 644         if(!poptPeekArg(pc)) {
 645                 poptPrintUsage(pc, stderr, 0);
 646                 return -1;
 647         }
 648
 649         fstrcpy(sharename, poptGetArg(pc));
 650
 651         snum = lp_servicenumber( sharename );
 652
 653         if ( snum == -1 && !force_acl ) {
 654                 fprintf( stderr, "Invalid sharename: %s\n", sharename);
 655                 return -1;
 656         }
 657
 658         switch (mode) {
 659         case SMB_SD_SETSDDL:
 660                 retval = set_sharesec_sddl(sharename, the_acl);
 661                 break;
 662         case SMB_SD_VIEWSDDL:
 663                 retval = view_sharesec_sddl(sharename);
 664                 break;
 665         default:
 666                 retval = change_share_sec(ctx, sharename, the_acl, mode);
 667                 break;
 668         }
 669
 670 done:
 671         talloc_destroy(ctx);
 672
 673         return retval;
 674 }