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 "passdb/machine_sid.h"
  29
  30 static TALLOC_CTX *ctx;
  31
  32 enum acl_mode { SMB_ACL_DELETE,
  33                 SMB_ACL_MODIFY,
  34                 SMB_ACL_ADD,
  35                 SMB_ACL_SET,
  36                 SMB_SD_DELETE,
  37                 SMB_SD_SETSDDL,
  38                 SMB_SD_VIEWSDDL,
  39                 SMB_ACL_VIEW,
  40                 SMB_ACL_VIEW_ALL };
  41
  42 struct perm_value {
  43         const char *perm;
  44         uint32 mask;
  45 };
  46
  47 /* These values discovered by inspection */
  48
  49 static const struct perm_value special_values[] = {
  50         { "R", SEC_RIGHTS_FILE_READ },
  51         { "W", SEC_RIGHTS_FILE_WRITE },
  52         { "X", SEC_RIGHTS_FILE_EXECUTE },
  53         { "D", SEC_STD_DELETE },
  54         { "P", SEC_STD_WRITE_DAC },
  55         { "O", SEC_STD_WRITE_OWNER },
  56         { NULL, 0 },
  57 };
  58
  59 #define SEC_RIGHTS_DIR_CHANGE ( SEC_RIGHTS_DIR_READ|SEC_STD_DELETE|\
  60                                 SEC_RIGHTS_DIR_WRITE|SEC_DIR_TRAVERSE )
  61
  62 static const struct perm_value standard_values[] = {
  63         { "READ",   SEC_RIGHTS_DIR_READ|SEC_DIR_TRAVERSE },
  64         { "CHANGE", SEC_RIGHTS_DIR_CHANGE },
  65         { "FULL",   SEC_RIGHTS_DIR_ALL },
  66         { NULL, 0 },
  67 };
  68
  69 /********************************************************************
  70  print an ACE on a FILE
  71 ********************************************************************/
  72
  73 static void print_ace(FILE *f, struct security_ace *ace)
  74 {
  75         const struct perm_value *v;
  76         int do_print = 0;
  77         uint32 got_mask;
  78
  79         fprintf(f, "%s:", sid_string_tos(&ace->trustee));
  80
  81         /* Ace type */
  82
  83         if (ace->type == SEC_ACE_TYPE_ACCESS_ALLOWED) {
  84                 fprintf(f, "ALLOWED");
  85         } else if (ace->type == SEC_ACE_TYPE_ACCESS_DENIED) {
  86                 fprintf(f, "DENIED");
  87         } else {
  88                 fprintf(f, "%d", ace->type);
  89         }
  90
  91         /* Not sure what flags can be set in a file ACL */
  92
  93         fprintf(f, "/%d/", ace->flags);
  94
  95         /* Standard permissions */
  96
  97         for (v = standard_values; v->perm; v++) {
  98                 if (ace->access_mask == v->mask) {
  99                         fprintf(f, "%s", v->perm);
 100                         return;
 101                 }
 102         }
 103
 104         /* Special permissions.  Print out a hex value if we have
 105            leftover bits in the mask. */
 106
 107         got_mask = ace->access_mask;
 108
 109  again:
 110         for (v = special_values; v->perm; v++) {
 111                 if ((ace->access_mask & v->mask) == v->mask) {
 112                         if (do_print) {
 113                                 fprintf(f, "%s", v->perm);
 114                         }
 115                         got_mask &= ~v->mask;
 116                 }
 117         }
 118
 119         if (!do_print) {
 120                 if (got_mask != 0) {
 121                         fprintf(f, "0x%08x", ace->access_mask);
 122                 } else {
 123                         do_print = 1;
 124                         goto again;
 125                 }
 126         }
 127 }
 128
 129 /********************************************************************
 130  print an ascii version of a security descriptor on a FILE handle
 131 ********************************************************************/
 132
 133 static void sec_desc_print(FILE *f, struct security_descriptor *sd)
 134 {
 135         uint32 i;
 136
 137         fprintf(f, "REVISION:%d\n", sd->revision);
 138
 139         /* Print owner and group sid */
 140
 141         fprintf(f, "OWNER:%s\n", sid_string_tos(sd->owner_sid));
 142
 143         fprintf(f, "GROUP:%s\n", sid_string_tos(sd->group_sid));
 144
 145         /* Print aces */
 146         for (i = 0; sd->dacl && i < sd->dacl->num_aces; i++) {
 147                 struct security_ace *ace = &sd->dacl->aces[i];
 148                 fprintf(f, "ACL:");
 149                 print_ace(f, ace);
 150                 fprintf(f, "\n");
 151         }
 152 }
 153
 154 /********************************************************************
 155  parse an ACE in the same format as print_ace()
 156 ********************************************************************/
 157
 158 static bool parse_ace(struct security_ace *ace, const char *orig_str)
 159 {
 160         char *p;
 161         const char *cp;
 162         char *tok;
 163         unsigned int atype = 0;
 164         unsigned int aflags = 0;
 165         unsigned int amask = 0;
 166         struct dom_sid sid;
 167         uint32_t mask;
 168         const struct perm_value *v;
 169         char *str = SMB_STRDUP(orig_str);
 170         TALLOC_CTX *frame = talloc_stackframe();
 171
 172         if (!str) {
 173                 TALLOC_FREE(frame);
 174                 return False;
 175         }
 176
 177         ZERO_STRUCTP(ace);
 178         p = strchr_m(str,':');
 179         if (!p) {
 180                 fprintf(stderr, "ACE '%s': missing ':'.\n", orig_str);
 181                 SAFE_FREE(str);
 182                 TALLOC_FREE(frame);
 183                 return False;
 184         }
 185         *p = '\0';
 186         p++;
 187         /* Try to parse numeric form */
 188
 189         if (sscanf(p, "%u/%u/%u", &atype, &aflags, &amask) == 3 &&
 190             string_to_sid(&sid, str)) {
 191                 goto done;
 192         }
 193
 194         /* Try to parse text form */
 195
 196         if (!string_to_sid(&sid, str)) {
 197                 fprintf(stderr, "ACE '%s': failed to convert '%s' to SID\n",
 198                         orig_str, str);
 199                 SAFE_FREE(str);
 200                 TALLOC_FREE(frame);
 201                 return False;
 202         }
 203
 204         cp = p;
 205         if (!next_token_talloc(frame, &cp, &tok, "/")) {
 206                 fprintf(stderr, "ACE '%s': failed to find '/' character.\n",
 207                         orig_str);
 208                 SAFE_FREE(str);
 209                 TALLOC_FREE(frame);
 210                 return False;
 211         }
 212
 213         if (strncmp(tok, "ALLOWED", strlen("ALLOWED")) == 0) {
 214                 atype = SEC_ACE_TYPE_ACCESS_ALLOWED;
 215         } else if (strncmp(tok, "DENIED", strlen("DENIED")) == 0) {
 216                 atype = SEC_ACE_TYPE_ACCESS_DENIED;
 217         } else {
 218                 fprintf(stderr, "ACE '%s': missing 'ALLOWED' or 'DENIED' "
 219                         "entry at '%s'\n", orig_str, tok);
 220                 SAFE_FREE(str);
 221                 TALLOC_FREE(frame);
 222                 return False;
 223         }
 224
 225         /* Only numeric form accepted for flags at present */
 226         /* no flags on share permissions */
 227
 228         if (!(next_token_talloc(frame, &cp, &tok, "/") &&
 229               sscanf(tok, "%u", &aflags) && aflags == 0)) {
 230                 fprintf(stderr, "ACE '%s': bad integer flags entry at '%s'\n",
 231                         orig_str, tok);
 232                 SAFE_FREE(str);
 233                 TALLOC_FREE(frame);
 234                 return False;
 235         }
 236
 237         if (!next_token_talloc(frame, &cp, &tok, "/")) {
 238                 fprintf(stderr, "ACE '%s': missing / at '%s'\n",
 239                         orig_str, tok);
 240                 SAFE_FREE(str);
 241                 TALLOC_FREE(frame);
 242                 return False;
 243         }
 244
 245         if (strncmp(tok, "0x", 2) == 0) {
 246                 if (sscanf(tok, "%u", &amask) != 1) {
 247                         fprintf(stderr, "ACE '%s': bad hex number at '%s'\n",
 248                                 orig_str, tok);
 249                         TALLOC_FREE(frame);
 250                         SAFE_FREE(str);
 251                         return False;
 252                 }
 253                 goto done;
 254         }
 255
 256         for (v = standard_values; v->perm; v++) {
 257                 if (strcmp(tok, v->perm) == 0) {
 258                         amask = v->mask;
 259                         goto done;
 260                 }
 261         }
 262
 263         p = tok;
 264
 265         while(*p) {
 266                 bool found = False;
 267
 268                 for (v = special_values; v->perm; v++) {
 269                         if (v->perm[0] == *p) {
 270                                 amask |= v->mask;
 271                                 found = True;
 272                         }
 273                 }
 274
 275                 if (!found) {
 276                         fprintf(stderr, "ACE '%s': bad permission value at "
 277                                 "'%s'\n", orig_str, p);
 278                         TALLOC_FREE(frame);
 279                         SAFE_FREE(str);
 280                         return False;
 281                 }
 282                 p++;
 283         }
 284
 285         if (*p) {
 286                 TALLOC_FREE(frame);
 287                 SAFE_FREE(str);
 288                 return False;
 289         }
 290
 291  done:
 292         mask = amask;
 293         init_sec_ace(ace, &sid, atype, mask, aflags);
 294         SAFE_FREE(str);
 295         TALLOC_FREE(frame);
 296         return True;
 297 }
 298
 299
 300 /********************************************************************
 301 ********************************************************************/
 302
 303 static struct security_descriptor* parse_acl_string(TALLOC_CTX *mem_ctx, const char *szACL, size_t *sd_size )
 304 {
 305         struct security_descriptor *sd = NULL;
 306         struct security_ace *ace;
 307         struct security_acl *theacl;
 308         int num_ace;
 309         const char *pacl;
 310         int i;
 311
 312         if ( !szACL )
 313                 return NULL;
 314
 315         pacl = szACL;
 316         num_ace = count_chars( pacl, ',' ) + 1;
 317
 318         if ( !(ace = talloc_zero_array( mem_ctx, struct security_ace, num_ace )) )
 319                 return NULL;
 320
 321         for ( i=0; i<num_ace; i++ ) {
 322                 char *end_acl = strchr_m( pacl, ',' );
 323                 fstring acl_string;
 324
 325                 strncpy( acl_string, pacl, MIN( PTR_DIFF( end_acl, pacl ), sizeof(fstring)-1) );
 326                 acl_string[MIN( PTR_DIFF( end_acl, pacl ), sizeof(fstring)-1)] = '\0';
 327
 328                 if ( !parse_ace( &ace[i], acl_string ) )
 329                         return NULL;
 330
 331                 pacl = end_acl;
 332                 pacl++;
 333         }
 334
 335         if ( !(theacl = make_sec_acl( mem_ctx, NT4_ACL_REVISION, num_ace, ace )) )
 336                 return NULL;
 337
 338         sd = make_sec_desc( mem_ctx, SD_REVISION, SEC_DESC_SELF_RELATIVE,
 339                 NULL, NULL, NULL, theacl, sd_size);
 340
 341         return sd;
 342 }
 343
 344 /* add an ACE to a list of ACEs in a struct security_acl */
 345 static bool add_ace(TALLOC_CTX *mem_ctx, struct security_acl **the_acl, struct security_ace *ace)
 346 {
 347         struct security_acl *new_ace;
 348         struct security_ace *aces;
 349         if (! *the_acl) {
 350                 return (((*the_acl) = make_sec_acl(mem_ctx, 3, 1, ace)) != NULL);
 351         }
 352
 353         if (!(aces = SMB_CALLOC_ARRAY(struct security_ace, 1+(*the_acl)->num_aces))) {
 354                 return False;
 355         }
 356         memcpy(aces, (*the_acl)->aces, (*the_acl)->num_aces * sizeof(struct
 357         security_ace));
 358         memcpy(aces+(*the_acl)->num_aces, ace, sizeof(struct security_ace));
 359         new_ace = make_sec_acl(mem_ctx,(*the_acl)->revision,1+(*the_acl)->num_aces, aces);
 360         SAFE_FREE(aces);
 361         (*the_acl) = new_ace;
 362         return True;
 363 }
 364
 365 /* The MSDN is contradictory over the ordering of ACE entries in an ACL.
 366    However NT4 gives a "The information may have been modified by a
 367    computer running Windows NT 5.0" if denied ACEs do not appear before
 368    allowed ACEs. */
 369
 370 static int ace_compare(struct security_ace *ace1, struct security_ace *ace2)
 371 {
 372         if (sec_ace_equal(ace1, ace2))
 373                 return 0;
 374
 375         if (ace1->type != ace2->type)
 376                 return ace2->type - ace1->type;
 377
 378         if (dom_sid_compare(&ace1->trustee, &ace2->trustee))
 379                 return dom_sid_compare(&ace1->trustee, &ace2->trustee);
 380
 381         if (ace1->flags != ace2->flags)
 382                 return ace1->flags - ace2->flags;
 383
 384         if (ace1->access_mask != ace2->access_mask)
 385                 return ace1->access_mask - ace2->access_mask;
 386
 387         if (ace1->size != ace2->size)
 388                 return ace1->size - ace2->size;
 389
 390         return memcmp(ace1, ace2, sizeof(struct security_ace));
 391 }
 392
 393 static void sort_acl(struct security_acl *the_acl)
 394 {
 395         uint32 i;
 396         if (!the_acl) return;
 397
 398         TYPESAFE_QSORT(the_acl->aces, the_acl->num_aces, ace_compare);
 399
 400         for (i=1;i<the_acl->num_aces;) {
 401                 if (sec_ace_equal(&the_acl->aces[i-1], &the_acl->aces[i])) {
 402                         int j;
 403                         for (j=i; j<the_acl->num_aces-1; j++) {
 404                                 the_acl->aces[j] = the_acl->aces[j+1];
 405                         }
 406                         the_acl->num_aces--;
 407                 } else {
 408                         i++;
 409                 }
 410         }
 411 }
 412
 413
 414 static int change_share_sec(TALLOC_CTX *mem_ctx, const char *sharename, char *the_acl, enum acl_mode mode)
 415 {
 416         struct security_descriptor *sd = NULL;
 417         struct security_descriptor *old = NULL;
 418         size_t sd_size = 0;
 419         uint32 i, j;
 420
 421         if (mode != SMB_ACL_SET && mode != SMB_SD_DELETE) {
 422             if (!(old = get_share_security( mem_ctx, sharename, &sd_size )) ) {
 423                 fprintf(stderr, "Unable to retrieve permissions for share "
 424                         "[%s]\n", sharename);
 425                 return -1;
 426             }
 427         }
 428
 429         if ( (mode != SMB_ACL_VIEW && mode != SMB_SD_DELETE) &&
 430             !(sd = parse_acl_string(mem_ctx, the_acl, &sd_size )) ) {
 431                 fprintf( stderr, "Failed to parse acl\n");
 432                 return -1;
 433         }
 434
 435         switch (mode) {
 436         case SMB_ACL_VIEW_ALL:
 437                 /* should not happen */
 438                 return 0;
 439         case SMB_ACL_VIEW:
 440                 sec_desc_print( stdout, old);
 441                 return 0;
 442         case SMB_ACL_DELETE:
 443             for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
 444                 bool found = False;
 445
 446                 for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
 447                     if (sec_ace_equal(&sd->dacl->aces[i], &old->dacl->aces[j])) {
 448                         uint32 k;
 449                         for (k=j; k<old->dacl->num_aces-1;k++) {
 450                             old->dacl->aces[k] = old->dacl->aces[k+1];
 451                         }
 452                         old->dacl->num_aces--;
 453                         found = True;
 454                         break;
 455                     }
 456                 }
 457
 458                 if (!found) {
 459                 printf("ACL for ACE:");
 460                 print_ace(stdout, &sd->dacl->aces[i]);
 461                 printf(" not found\n");
 462                 }
 463             }
 464             break;
 465         case SMB_ACL_MODIFY:
 466             for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
 467                 bool found = False;
 468
 469                 for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
 470                     if (dom_sid_equal(&sd->dacl->aces[i].trustee,
 471                         &old->dacl->aces[j].trustee)) {
 472                         old->dacl->aces[j] = sd->dacl->aces[i];
 473                         found = True;
 474                     }
 475                 }
 476
 477                 if (!found) {
 478                     printf("ACL for SID %s not found\n",
 479                            sid_string_tos(&sd->dacl->aces[i].trustee));
 480                 }
 481             }
 482
 483             if (sd->owner_sid) {
 484                 old->owner_sid = sd->owner_sid;
 485             }
 486
 487             if (sd->group_sid) {
 488                 old->group_sid = sd->group_sid;
 489             }
 490             break;
 491         case SMB_ACL_ADD:
 492             for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
 493                 add_ace(mem_ctx, &old->dacl, &sd->dacl->aces[i]);
 494             }
 495             break;
 496         case SMB_ACL_SET:
 497             old = sd;
 498             break;
 499         case SMB_SD_DELETE:
 500             if (!delete_share_security(sharename)) {
 501                 fprintf( stderr, "Failed to delete security descriptor for "
 502                          "share [%s]\n", sharename );
 503                 return -1;
 504             }
 505             return 0;
 506         default:
 507                 fprintf(stderr, "invalid command\n");
 508                 return -1;
 509         }
 510
 511         /* Denied ACE entries must come before allowed ones */
 512         sort_acl(old->dacl);
 513
 514         if ( !set_share_security( sharename, old ) ) {
 515             fprintf( stderr, "Failed to store acl for share [%s]\n", sharename );
 516             return 2;
 517         }
 518         return 0;
 519 }
 520
 521 static int set_sharesec_sddl(const char *sharename, const char *sddl)
 522 {
 523         struct security_descriptor *sd;
 524         bool ret;
 525
 526         sd = sddl_decode(talloc_tos(), sddl, get_global_sam_sid());
 527         if (sd == NULL) {
 528                 fprintf(stderr, "Failed to parse acl\n");
 529                 return -1;
 530         }
 531
 532         ret = set_share_security(sharename, sd);
 533         TALLOC_FREE(sd);
 534         if (!ret) {
 535                 fprintf(stderr, "Failed to store acl for share [%s]\n",
 536                         sharename);
 537                 return -1;
 538         }
 539
 540         return 0;
 541 }
 542
 543 static int view_sharesec_sddl(const char *sharename)
 544 {
 545         struct security_descriptor *sd;
 546         size_t sd_size;
 547         char *acl;
 548
 549         sd = get_share_security(talloc_tos(), sharename, &sd_size);
 550         if (sd == NULL) {
 551                 fprintf(stderr, "Unable to retrieve permissions for share "
 552                         "[%s]\n", sharename);
 553                 return -1;
 554         }
 555
 556         acl = sddl_encode(talloc_tos(), sd, get_global_sam_sid());
 557         TALLOC_FREE(sd);
 558         if (acl == NULL) {
 559                 fprintf(stderr, "Unable to sddl-encode permissions for share "
 560                         "[%s]\n", sharename);
 561                 return -1;
 562         }
 563         printf("%s\n", acl);
 564         TALLOC_FREE(acl);
 565         return 0;
 566 }
 567
 568 /********************************************************************
 569   main program
 570 ********************************************************************/
 571
 572 enum {
 573         OPT_VIEW_ALL = 1000,
 574 };
 575
 576 int main(int argc, const char *argv[])
 577 {
 578         int opt;
 579         int retval = 0;
 580         enum acl_mode mode = SMB_ACL_SET;
 581         static char *the_acl = NULL;
 582         fstring sharename;
 583         bool force_acl = False;
 584         int snum;
 585         poptContext pc;
 586         bool initialize_sid = False;
 587         struct poptOption long_options[] = {
 588                 POPT_AUTOHELP
 589                 { "remove", 'r', POPT_ARG_STRING, &the_acl, 'r', "Remove ACEs", "ACL" },
 590                 { "modify", 'm', POPT_ARG_STRING, &the_acl, 'm', "Modify existing ACEs", "ACL" },
 591                 { "add", 'a', POPT_ARG_STRING, &the_acl, 'a', "Add ACEs", "ACL" },
 592                 { "replace", 'R', POPT_ARG_STRING, &the_acl, 'R', "Overwrite share permission ACL", "ACLS" },
 593                 { "delete", 'D', POPT_ARG_NONE, NULL, 'D', "Delete the entire security descriptor" },
 594                 { "setsddl", 'S', POPT_ARG_STRING, the_acl, 'S',
 595                   "Set the SD in sddl format" },
 596                 { "viewsddl", 'V', POPT_ARG_NONE, the_acl, 'V',
 597                   "View the SD in sddl format" },
 598                 { "view", 'v', POPT_ARG_NONE, NULL, 'v', "View current share permissions" },
 599                 { "view-all", 0, POPT_ARG_NONE, NULL, OPT_VIEW_ALL,
 600                   "View all current share permissions" },
 601                 { "machine-sid", 'M', POPT_ARG_NONE, NULL, 'M', "Initialize the machine SID" },
 602                 { "force", 'F', POPT_ARG_NONE, NULL, 'F', "Force storing the ACL", "ACLS" },
 603                 POPT_COMMON_SAMBA
 604                 { NULL }
 605         };
 606
 607         if ( !(ctx = talloc_stackframe()) ) {
 608                 fprintf( stderr, "Failed to initialize talloc context!\n");
 609                 return -1;
 610         }
 611
 612         /* set default debug level to 1 regardless of what smb.conf sets */
 613         setup_logging( "sharesec", DEBUG_STDERR);
 614
 615         load_case_tables();
 616
 617         lp_set_cmdline("log level", "1");
 618
 619         pc = poptGetContext("sharesec", argc, argv, long_options, 0);
 620
 621         poptSetOtherOptionHelp(pc, "sharename\n");
 622
 623         while ((opt = poptGetNextOpt(pc)) != -1) {
 624                 switch (opt) {
 625                 case 'r':
 626                         the_acl = smb_xstrdup(poptGetOptArg(pc));
 627                         mode = SMB_ACL_DELETE;
 628                         break;
 629
 630                 case 'm':
 631                         the_acl = smb_xstrdup(poptGetOptArg(pc));
 632                         mode = SMB_ACL_MODIFY;
 633                         break;
 634
 635                 case 'a':
 636                         the_acl = smb_xstrdup(poptGetOptArg(pc));
 637                         mode = SMB_ACL_ADD;
 638                         break;
 639
 640                 case 'R':
 641                         the_acl = smb_xstrdup(poptGetOptArg(pc));
 642                         mode = SMB_ACL_SET;
 643                         break;
 644
 645                 case 'D':
 646                         mode = SMB_SD_DELETE;
 647                         break;
 648
 649                 case 'S':
 650                         mode = SMB_SD_SETSDDL;
 651                         the_acl = smb_xstrdup(poptGetOptArg(pc));
 652                         break;
 653
 654                 case 'V':
 655                         mode = SMB_SD_VIEWSDDL;
 656                         break;
 657
 658                 case 'v':
 659                         mode = SMB_ACL_VIEW;
 660                         break;
 661
 662                 case 'F':
 663                         force_acl = True;
 664                         break;
 665
 666                 case 'M':
 667                         initialize_sid = True;
 668                         break;
 669                 case OPT_VIEW_ALL:
 670                         mode = SMB_ACL_VIEW_ALL;
 671                         break;
 672                 }
 673         }
 674
 675         setlinebuf(stdout);
 676
 677         lp_load_with_registry_shares( get_dyn_CONFIGFILE(), False, False, False,
 678                                       True );
 679
 680         /* check for initializing secrets.tdb first */
 681
 682         if ( initialize_sid ) {
 683                 struct dom_sid *sid = get_global_sam_sid();
 684
 685                 if ( !sid ) {
 686                         fprintf( stderr, "Failed to retrieve Machine SID!\n");
 687                         return 3;
 688                 }
 689
 690                 printf ("%s\n", sid_string_tos( sid ) );
 691                 return 0;
 692         }
 693
 694         if ( mode == SMB_ACL_VIEW && force_acl ) {
 695                 fprintf( stderr, "Invalid combination of -F and -v\n");
 696                 return -1;
 697         }
 698
 699         if (mode == SMB_ACL_VIEW_ALL) {
 700                 int i;
 701
 702                 for (i=0; i<lp_numservices(); i++) {
 703                         TALLOC_CTX *frame = talloc_stackframe();
 704                         const char *service = lp_servicename(frame, i);
 705
 706                         if (service == NULL) {
 707                                 continue;
 708                         }
 709
 710                         printf("[%s]\n", service);
 711                         change_share_sec(frame, service, NULL, SMB_ACL_VIEW);
 712                         printf("\n");
 713                         TALLOC_FREE(frame);
 714                 }
 715                 goto done;
 716         }
 717
 718         /* get the sharename */
 719
 720         if(!poptPeekArg(pc)) {
 721                 poptPrintUsage(pc, stderr, 0);
 722                 return -1;
 723         }
 724
 725         fstrcpy(sharename, poptGetArg(pc));
 726
 727         snum = lp_servicenumber( sharename );
 728
 729         if ( snum == -1 && !force_acl ) {
 730                 fprintf( stderr, "Invalid sharename: %s\n", sharename);
 731                 return -1;
 732         }
 733
 734         switch (mode) {
 735         case SMB_SD_SETSDDL:
 736                 retval = set_sharesec_sddl(sharename, the_acl);
 737                 break;
 738         case SMB_SD_VIEWSDDL:
 739                 retval = view_sharesec_sddl(sharename);
 740                 break;
 741         default:
 742                 retval = change_share_sec(ctx, sharename, the_acl, mode);
 743                 break;
 744         }
 745
 746 done:
 747         talloc_destroy(ctx);
 748
 749         return retval;
 750 }