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
   9    This program is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 2 of the License, or
  12    (at your option) any later version.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program; if not, write to the Free Software
  21    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  22 */
  23
  24 #include "includes.h"
  25
  26 static fstring password;
  27 static pstring username;
  28 static pstring owner_username;
  29 static fstring server;
  30 static int got_pass;
  31 static int test_args;
  32 TALLOC_CTX *ctx;
  33
  34 #define CREATE_ACCESS_READ READ_CONTROL_ACCESS
  35 #define CREATE_ACCESS_WRITE (WRITE_DAC_ACCESS | WRITE_OWNER_ACCESS)
  36
  37 /* numeric is set when the user wants numeric SIDs and ACEs rather
  38    than going via LSA calls to resolve them */
  39 static int numeric;
  40
  41 enum acl_mode {SMB_ACL_SET, SMB_ACL_DELETE, SMB_ACL_MODIFY, SMB_ACL_ADD };
  42 enum chown_mode {REQUEST_NONE, REQUEST_CHOWN, REQUEST_CHGRP};
  43 enum exit_values {EXIT_OK, EXIT_FAILED, EXIT_PARSE_ERROR};
  44
  45 extern pstring global_myname;
  46 extern fstring global_myworkgroup;
  47
  48 struct perm_value {
  49         char *perm;
  50         uint32 mask;
  51 };
  52
  53 /* These values discovered by inspection */
  54
  55 static 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 struct perm_value standard_values[] = {
  66         { "READ",   0x001200a9 },
  67         { "CHANGE", 0x001301bf },
  68         { "FULL",   0x001f01ff },
  69         { NULL, 0 },
  70 };
  71
  72 static struct cli_state *global_hack_cli;
  73 static POLICY_HND pol;
  74 static BOOL got_policy_hnd;
  75
  76 static struct cli_state *connect_one(char *share);
  77
  78 /* Open cli connection and policy handle */
  79
  80 static BOOL cacls_open_policy_hnd(void)
  81 {
  82         /* Initialise cli LSA connection */
  83
  84         if (!global_hack_cli) {
  85                 global_hack_cli = connect_one("IPC$");
  86                 if (!cli_nt_session_open (global_hack_cli, PIPE_LSARPC)) {
  87                                 return False;
  88                 }
  89         }
  90
  91         /* Open policy handle */
  92
  93         if (!got_policy_hnd) {
  94
  95                 /* Some systems don't support SEC_RIGHTS_MAXIMUM_ALLOWED,
  96                    but NT sends 0x2000000 so we might as well do it too. */
  97
  98                 if (!NT_STATUS_IS_OK(cli_lsa_open_policy(global_hack_cli, global_hack_cli->mem_ctx, True,
  99                                                          GENERIC_EXECUTE_ACCESS, &pol))) {
 100                         return False;
 101                 }
 102
 103                 got_policy_hnd = True;
 104         }
 105
 106         return True;
 107 }
 108
 109 /* convert a SID to a string, either numeric or username/group */
 110 static void SidToString(fstring str, DOM_SID *sid)
 111 {
 112         char **domains = NULL;
 113         char **names = NULL;
 114         uint32 *types = NULL;
 115
 116         sid_to_string(str, sid);
 117
 118         if (numeric) return;
 119
 120         /* Ask LSA to convert the sid to a name */
 121
 122         if (!cacls_open_policy_hnd() ||
 123             !NT_STATUS_IS_OK(cli_lsa_lookup_sids(global_hack_cli, global_hack_cli->mem_ctx,
 124                                                  &pol, 1, sid, &domains,
 125                                                  &names, &types)) ||
 126             !domains || !domains[0] || !names || !names[0]) {
 127                 return;
 128         }
 129
 130         /* Converted OK */
 131
 132         slprintf(str, sizeof(fstring) - 1, "%s%s%s",
 133                  domains[0], lp_winbind_separator(),
 134                  names[0]);
 135
 136 }
 137
 138 /* convert a string to a SID, either numeric or username/group */
 139 static BOOL StringToSid(DOM_SID *sid, const char *str)
 140 {
 141         uint32 *types = NULL;
 142         DOM_SID *sids = NULL;
 143         BOOL result = True;
 144
 145         if (strncmp(str, "S-", 2) == 0) {
 146                 return string_to_sid(sid, str);
 147         }
 148
 149         if (!cacls_open_policy_hnd() ||
 150             !NT_STATUS_IS_OK(cli_lsa_lookup_names(global_hack_cli, global_hack_cli->mem_ctx,
 151                                                   &pol, 1, &str, &sids,
 152                                                   &types))) {
 153                 result = False;
 154                 goto done;
 155         }
 156
 157         sid_copy(sid, &sids[0]);
 158
 159  done:
 160
 161         return result;
 162 }
 163
 164
 165 /* print an ACE on a FILE, using either numeric or ascii representation */
 166 static void print_ace(FILE *f, SEC_ACE *ace)
 167 {
 168         struct perm_value *v;
 169         fstring sidstr;
 170         int do_print = 0;
 171         uint32 got_mask;
 172
 173         SidToString(sidstr, &ace->trustee);
 174
 175         fprintf(f, "%s:", sidstr);
 176
 177         if (numeric) {
 178                 fprintf(f, "%d/%d/0x%08x",
 179                         ace->type, ace->flags, ace->info.mask);
 180                 return;
 181         }
 182
 183         /* Ace type */
 184
 185         if (ace->type == SEC_ACE_TYPE_ACCESS_ALLOWED) {
 186                 fprintf(f, "ALLOWED");
 187         } else if (ace->type == SEC_ACE_TYPE_ACCESS_DENIED) {
 188                 fprintf(f, "DENIED");
 189         } else {
 190                 fprintf(f, "%d", ace->type);
 191         }
 192
 193         /* Not sure what flags can be set in a file ACL */
 194
 195         fprintf(f, "/%d/", ace->flags);
 196
 197         /* Standard permissions */
 198
 199         for (v = standard_values; v->perm; v++) {
 200                 if (ace->info.mask == v->mask) {
 201                         fprintf(f, "%s", v->perm);
 202                         return;
 203                 }
 204         }
 205
 206         /* Special permissions.  Print out a hex value if we have
 207            leftover bits in the mask. */
 208
 209         got_mask = ace->info.mask;
 210
 211  again:
 212         for (v = special_values; v->perm; v++) {
 213                 if ((ace->info.mask & v->mask) == v->mask) {
 214                         if (do_print) {
 215                                 fprintf(f, "%s", v->perm);
 216                         }
 217                         got_mask &= ~v->mask;
 218                 }
 219         }
 220
 221         if (!do_print) {
 222                 if (got_mask != 0) {
 223                         fprintf(f, "0x%08x", ace->info.mask);
 224                 } else {
 225                         do_print = 1;
 226                         goto again;
 227                 }
 228         }
 229 }
 230
 231
 232 /* parse an ACE in the same format as print_ace() */
 233 static BOOL parse_ace(SEC_ACE *ace, char *str)
 234 {
 235         char *p;
 236         fstring tok;
 237         unsigned atype, aflags, amask;
 238         DOM_SID sid;
 239         SEC_ACCESS mask;
 240         struct perm_value *v;
 241
 242         ZERO_STRUCTP(ace);
 243         p = strchr_m(str,':');
 244         if (!p) return False;
 245         *p = '\0';
 246         p++;
 247
 248         /* Try to parse numeric form */
 249
 250         if (sscanf(p, "%i/%i/%i", &atype, &aflags, &amask) == 3 &&
 251             StringToSid(&sid, str)) {
 252                 goto done;
 253         }
 254
 255         /* Try to parse text form */
 256
 257         if (!StringToSid(&sid, str)) {
 258                 return False;
 259         }
 260
 261         if (!next_token(&p, tok, "/", sizeof(fstring))) {
 262                 return False;
 263         }
 264
 265         if (strncmp(tok, "ALLOWED", strlen("ALLOWED")) == 0) {
 266                 atype = SEC_ACE_TYPE_ACCESS_ALLOWED;
 267         } else if (strncmp(tok, "DENIED", strlen("DENIED")) == 0) {
 268                 atype = SEC_ACE_TYPE_ACCESS_DENIED;
 269         } else {
 270                 return False;
 271         }
 272
 273         /* Only numeric form accepted for flags at present */
 274
 275         if (!(next_token(&p, tok, "/", sizeof(fstring)) &&
 276               sscanf(tok, "%i", &aflags))) {
 277                 return False;
 278         }
 279
 280         if (!next_token(&p, tok, "/", sizeof(fstring))) {
 281                 return False;
 282         }
 283
 284         if (strncmp(tok, "0x", 2) == 0) {
 285                 if (sscanf(tok, "%i", &amask) != 1) {
 286                         return False;
 287                 }
 288                 goto done;
 289         }
 290
 291         for (v = standard_values; v->perm; v++) {
 292                 if (strcmp(tok, v->perm) == 0) {
 293                         amask = v->mask;
 294                         goto done;
 295                 }
 296         }
 297
 298         p = tok;
 299
 300         while(*p) {
 301                 BOOL found = False;
 302
 303                 for (v = special_values; v->perm; v++) {
 304                         if (v->perm[0] == *p) {
 305                                 amask |= v->mask;
 306                                 found = True;
 307                         }
 308                 }
 309
 310                 if (!found) return False;
 311                 p++;
 312         }
 313
 314         if (*p) {
 315                 return False;
 316         }
 317
 318  done:
 319         mask.mask = amask;
 320         init_sec_ace(ace, &sid, atype, mask, aflags);
 321         return True;
 322 }
 323
 324 /* add an ACE to a list of ACEs in a SEC_ACL */
 325 static BOOL add_ace(SEC_ACL **the_acl, SEC_ACE *ace)
 326 {
 327         SEC_ACL *new;
 328         SEC_ACE *aces;
 329         if (! *the_acl) {
 330                 (*the_acl) = make_sec_acl(ctx, 3, 1, ace);
 331                 return True;
 332         }
 333
 334         aces = calloc(1+(*the_acl)->num_aces,sizeof(SEC_ACE));
 335         memcpy(aces, (*the_acl)->ace, (*the_acl)->num_aces * sizeof(SEC_ACE));
 336         memcpy(aces+(*the_acl)->num_aces, ace, sizeof(SEC_ACE));
 337         new = make_sec_acl(ctx,(*the_acl)->revision,1+(*the_acl)->num_aces, aces);
 338         SAFE_FREE(aces);
 339         (*the_acl) = new;
 340         return True;
 341 }
 342
 343 /* parse a ascii version of a security descriptor */
 344 static SEC_DESC *sec_desc_parse(char *str)
 345 {
 346         char *p = str;
 347         fstring tok;
 348         SEC_DESC *ret;
 349         size_t sd_size;
 350         DOM_SID *grp_sid=NULL, *owner_sid=NULL;
 351         SEC_ACL *dacl=NULL;
 352         int revision=1;
 353
 354         while (next_token(&p, tok, "\t,\r\n", sizeof(tok))) {
 355
 356                 if (strncmp(tok,"REVISION:", 9) == 0) {
 357                         revision = strtol(tok+9, NULL, 16);
 358                         continue;
 359                 }
 360
 361                 if (strncmp(tok,"OWNER:", 6) == 0) {
 362                         owner_sid = (DOM_SID *)calloc(1, sizeof(DOM_SID));
 363                         if (!owner_sid ||
 364                             !StringToSid(owner_sid, tok+6)) {
 365                                 printf("Failed to parse owner sid\n");
 366                                 return NULL;
 367                         }
 368                         continue;
 369                 }
 370
 371                 if (strncmp(tok,"GROUP:", 6) == 0) {
 372                         grp_sid = (DOM_SID *)calloc(1, sizeof(DOM_SID));
 373                         if (!grp_sid ||
 374                             !StringToSid(grp_sid, tok+6)) {
 375                                 printf("Failed to parse group sid\n");
 376                                 return NULL;
 377                         }
 378                         continue;
 379                 }
 380
 381                 if (strncmp(tok,"ACL:", 4) == 0) {
 382                         SEC_ACE ace;
 383                         if (!parse_ace(&ace, tok+4)) {
 384                                 printf("Failed to parse ACL %s\n", tok);
 385                                 return NULL;
 386                         }
 387                         if(!add_ace(&dacl, &ace)) {
 388                                 printf("Failed to add ACL %s\n", tok);
 389                                 return NULL;
 390                         }
 391                         continue;
 392                 }
 393
 394                 printf("Failed to parse security descriptor\n");
 395                 return NULL;
 396         }
 397
 398         ret = make_sec_desc(ctx,revision, owner_sid, grp_sid,
 399                             NULL, dacl, &sd_size);
 400
 401         SAFE_FREE(grp_sid);
 402         SAFE_FREE(owner_sid);
 403
 404         return ret;
 405 }
 406
 407
 408 /* print a ascii version of a security descriptor on a FILE handle */
 409 static void sec_desc_print(FILE *f, SEC_DESC *sd)
 410 {
 411         fstring sidstr;
 412         uint32 i;
 413
 414         printf("REVISION:%d\n", sd->revision);
 415
 416         /* Print owner and group sid */
 417
 418         if (sd->owner_sid) {
 419                 SidToString(sidstr, sd->owner_sid);
 420         } else {
 421                 fstrcpy(sidstr, "");
 422         }
 423
 424         printf("OWNER:%s\n", sidstr);
 425
 426         if (sd->grp_sid) {
 427                 SidToString(sidstr, sd->grp_sid);
 428         } else {
 429                 fstrcpy(sidstr, "");
 430         }
 431
 432         fprintf(f, "GROUP:%s\n", sidstr);
 433
 434         /* Print aces */
 435         for (i = 0; sd->dacl && i < sd->dacl->num_aces; i++) {
 436                 SEC_ACE *ace = &sd->dacl->ace[i];
 437                 fprintf(f, "ACL:");
 438                 print_ace(f, ace);
 439                 fprintf(f, "\n");
 440         }
 441
 442 }
 443
 444 /*****************************************************
 445 dump the acls for a file
 446 *******************************************************/
 447 static int cacl_dump(struct cli_state *cli, char *filename)
 448 {
 449         int fnum;
 450         SEC_DESC *sd;
 451
 452         if (test_args) return EXIT_OK;
 453
 454         fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
 455         if (fnum == -1) {
 456                 printf("Failed to open %s: %s\n", filename, cli_errstr(cli));
 457                 return EXIT_FAILED;
 458         }
 459
 460         sd = cli_query_secdesc(cli, fnum, ctx);
 461
 462         if (!sd) {
 463                 printf("ERROR: secdesc query failed: %s\n", cli_errstr(cli));
 464                 return EXIT_FAILED;
 465         }
 466
 467         sec_desc_print(stdout, sd);
 468
 469         cli_close(cli, fnum);
 470
 471         return EXIT_OK;
 472 }
 473
 474 /*****************************************************
 475 Change the ownership or group ownership of a file. Just
 476 because the NT docs say this can't be done :-). JRA.
 477 *******************************************************/
 478
 479 static int owner_set(struct cli_state *cli, enum chown_mode change_mode,
 480                      char *filename, char *new_username)
 481 {
 482         int fnum;
 483         DOM_SID sid;
 484         SEC_DESC *sd, *old;
 485         size_t sd_size;
 486
 487         fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
 488
 489         if (fnum == -1) {
 490                 printf("Failed to open %s: %s\n", filename, cli_errstr(cli));
 491                 return EXIT_FAILED;
 492         }
 493
 494         if (!StringToSid(&sid, new_username))
 495                 return EXIT_PARSE_ERROR;
 496
 497         old = cli_query_secdesc(cli, fnum, ctx);
 498
 499         cli_close(cli, fnum);
 500
 501         if (!old) {
 502                 printf("owner_set: Failed to query old descriptor\n");
 503                 return EXIT_FAILED;
 504         }
 505
 506         sd = make_sec_desc(ctx,old->revision,
 507                                 (change_mode == REQUEST_CHOWN) ? &sid : old->owner_sid,
 508                                 (change_mode == REQUEST_CHGRP) ? &sid : old->grp_sid,
 509                            NULL, old->dacl, &sd_size);
 510
 511         fnum = cli_nt_create(cli, filename, CREATE_ACCESS_WRITE);
 512
 513         if (fnum == -1) {
 514                 printf("Failed to open %s: %s\n", filename, cli_errstr(cli));
 515                 return EXIT_FAILED;
 516         }
 517
 518         if (!cli_set_secdesc(cli, fnum, sd)) {
 519                 printf("ERROR: secdesc set failed: %s\n", cli_errstr(cli));
 520         }
 521
 522         cli_close(cli, fnum);
 523
 524         return EXIT_OK;
 525 }
 526
 527
 528 /* The MSDN is contradictory over the ordering of ACE entries in an ACL.
 529    However NT4 gives a "The information may have been modified by a
 530    computer running Windows NT 5.0" if denied ACEs do not appear before
 531    allowed ACEs. */
 532
 533 static int ace_compare(SEC_ACE *ace1, SEC_ACE *ace2)
 534 {
 535         if (sec_ace_equal(ace1, ace2))
 536                 return 0;
 537
 538         if (ace1->type != ace2->type)
 539                 return ace2->type - ace1->type;
 540
 541         if (sid_compare(&ace1->trustee, &ace2->trustee))
 542                 return sid_compare(&ace1->trustee, &ace2->trustee);
 543
 544         if (ace1->flags != ace2->flags)
 545                 return ace1->flags - ace2->flags;
 546
 547         if (ace1->info.mask != ace2->info.mask)
 548                 return ace1->info.mask - ace2->info.mask;
 549
 550         if (ace1->size != ace2->size)
 551                 return ace1->size - ace2->size;
 552
 553         return memcmp(ace1, ace2, sizeof(SEC_ACE));
 554 }
 555
 556 static void sort_acl(SEC_ACL *the_acl)
 557 {
 558         uint32 i;
 559         if (!the_acl) return;
 560
 561         qsort(the_acl->ace, the_acl->num_aces, sizeof(the_acl->ace[0]), QSORT_CAST ace_compare);
 562
 563         for (i=1;i<the_acl->num_aces;) {
 564                 if (sec_ace_equal(&the_acl->ace[i-1], &the_acl->ace[i])) {
 565                         int j;
 566                         for (j=i; j<the_acl->num_aces-1; j++) {
 567                                 the_acl->ace[j] = the_acl->ace[j+1];
 568                         }
 569                         the_acl->num_aces--;
 570                 } else {
 571                         i++;
 572                 }
 573         }
 574 }
 575
 576 /*****************************************************
 577 set the ACLs on a file given an ascii description
 578 *******************************************************/
 579 static int cacl_set(struct cli_state *cli, char *filename,
 580                     char *the_acl, enum acl_mode mode)
 581 {
 582         int fnum;
 583         SEC_DESC *sd, *old;
 584         uint32 i, j;
 585         size_t sd_size;
 586         int result = EXIT_OK;
 587
 588         sd = sec_desc_parse(the_acl);
 589
 590         if (!sd) return EXIT_PARSE_ERROR;
 591         if (test_args) return EXIT_OK;
 592
 593         /* The desired access below is the only one I could find that works
 594            with NT4, W2KP and Samba */
 595
 596         fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
 597
 598         if (fnum == -1) {
 599                 printf("cacl_set failed to open %s: %s\n", filename, cli_errstr(cli));
 600                 return EXIT_FAILED;
 601         }
 602
 603         old = cli_query_secdesc(cli, fnum, ctx);
 604
 605         if (!old) {
 606                 printf("calc_set: Failed to query old descriptor\n");
 607                 return EXIT_FAILED;
 608         }
 609
 610         cli_close(cli, fnum);
 611
 612         /* the logic here is rather more complex than I would like */
 613         switch (mode) {
 614         case SMB_ACL_DELETE:
 615                 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
 616                         BOOL found = False;
 617
 618                         for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
 619                                 if (sec_ace_equal(&sd->dacl->ace[i],
 620                                                   &old->dacl->ace[j])) {
 621                                         uint32 k;
 622                                         for (k=j; k<old->dacl->num_aces-1;k++) {
 623                                                 old->dacl->ace[k] = old->dacl->ace[k+1];
 624                                         }
 625                                         old->dacl->num_aces--;
 626                                         if (old->dacl->num_aces == 0) {
 627                                                 SAFE_FREE(old->dacl->ace);
 628                                                 SAFE_FREE(old->dacl);
 629                                                 old->off_dacl = 0;
 630                                         }
 631                                         found = True;
 632                                         break;
 633                                 }
 634                         }
 635
 636                         if (!found) {
 637                                 printf("ACL for ACE:");
 638                                 print_ace(stdout, &sd->dacl->ace[i]);
 639                                 printf(" not found\n");
 640                         }
 641                 }
 642                 break;
 643
 644         case SMB_ACL_MODIFY:
 645                 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
 646                         BOOL found = False;
 647
 648                         for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
 649                                 if (sid_equal(&sd->dacl->ace[i].trustee,
 650                                               &old->dacl->ace[j].trustee)) {
 651                                         old->dacl->ace[j] = sd->dacl->ace[i];
 652                                         found = True;
 653                                 }
 654                         }
 655
 656                         if (!found) {
 657                                 fstring str;
 658
 659                                 SidToString(str, &sd->dacl->ace[i].trustee);
 660                                 printf("ACL for SID %s not found\n", str);
 661                         }
 662                 }
 663
 664                 break;
 665
 666         case SMB_ACL_ADD:
 667                 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
 668                         add_ace(&old->dacl, &sd->dacl->ace[i]);
 669                 }
 670                 break;
 671
 672         case SMB_ACL_SET:
 673                 old = sd;
 674                 break;
 675         }
 676
 677         /* Denied ACE entries must come before allowed ones */
 678         sort_acl(old->dacl);
 679
 680         /* Create new security descriptor and set it */
 681         sd = make_sec_desc(ctx,old->revision, old->owner_sid, old->grp_sid,
 682                            NULL, old->dacl, &sd_size);
 683
 684         fnum = cli_nt_create(cli, filename, CREATE_ACCESS_WRITE);
 685
 686         if (fnum == -1) {
 687                 printf("cacl_set failed to open %s: %s\n", filename, cli_errstr(cli));
 688                 return EXIT_FAILED;
 689         }
 690
 691         if (!cli_set_secdesc(cli, fnum, sd)) {
 692                 printf("ERROR: secdesc set failed: %s\n", cli_errstr(cli));
 693                 result = EXIT_FAILED;
 694         }
 695
 696         /* Clean up */
 697
 698         cli_close(cli, fnum);
 699
 700         return result;
 701 }
 702
 703
 704 /*****************************************************
 705 return a connection to a server
 706 *******************************************************/
 707 static struct cli_state *connect_one(char *share)
 708 {
 709         struct cli_state *c;
 710         struct in_addr ip;
 711         zero_ip(&ip);
 712
 713         if (!got_pass) {
 714                 char *pass = getpass("Password: ");
 715                 if (pass) {
 716                         pstrcpy(password, pass);
 717                         got_pass = True;
 718                 }
 719         }
 720
 721         if (NT_STATUS_IS_OK(cli_full_connection(&c, global_myname, server,
 722                                                 &ip, 0,
 723                                                 share, "?????",
 724                                                 username, global_myworkgroup,
 725                                                 password, strlen(password)))) {
 726                 return c;
 727         } else {
 728                 return NULL;
 729         }
 730 }
 731
 732
 733 static void usage(void)
 734 {
 735         printf(
 736 "Usage: smbcacls //server1/share1 filename [options]\n\
 737 \n\
 738 \t-D <acls>               delete an acl\n\
 739 \t-M <acls>               modify an acl\n\
 740 \t-A <acls>               add an acl\n\
 741 \t-S <acls>               set acls\n\
 742 \t-C username             change ownership of a file\n\
 743 \t-G username             change group ownership of a file\n\
 744 \t-n                      don't resolve sids or masks to names\n\
 745 \t-h                      print help\n\
 746 \t-d debuglevel           set debug output level\n\
 747 \t-U username             user to autheticate as\n\
 748 \n\
 749 The username can be of the form username%%password or\n\
 750 workgroup\\username%%password.\n\n\
 751 An acl is of the form ACL:<SID>:type/flags/mask\n\
 752 You can string acls together with spaces, commas or newlines\n\
 753 ");
 754 }
 755
 756 /****************************************************************************
 757   main program
 758 ****************************************************************************/
 759  int main(int argc,char *argv[])
 760 {
 761         char *share;
 762         pstring filename;
 763         extern char *optarg;
 764         extern int optind;
 765         int opt;
 766         char *p;
 767         enum acl_mode mode = SMB_ACL_SET;
 768         char *the_acl = NULL;
 769         enum chown_mode change_mode = REQUEST_NONE;
 770         int result;
 771
 772         struct cli_state *cli;
 773
 774         ctx=talloc_init();
 775
 776         setlinebuf(stdout);
 777
 778         dbf = x_stderr;
 779
 780         if (argc < 3 || argv[1][0] == '-') {
 781                 usage();
 782                 talloc_destroy(ctx);
 783                 exit(EXIT_PARSE_ERROR);
 784         }
 785
 786         setup_logging(argv[0],True);
 787
 788         share = argv[1];
 789         pstrcpy(filename, argv[2]);
 790         all_string_sub(share,"/","\\",0);
 791
 792         argc -= 2;
 793         argv += 2;
 794
 795         lp_load(dyn_CONFIGFILE,True,False,False);
 796         load_interfaces();
 797
 798         if (getenv("USER")) {
 799                 pstrcpy(username,getenv("USER"));
 800
 801                 if ((p=strchr_m(username,'%'))) {
 802                         *p = 0;
 803                         pstrcpy(password,p+1);
 804                         got_pass = True;
 805                         memset(strchr_m(getenv("USER"), '%') + 1, 'X',
 806                                strlen(password));
 807                 }
 808         }
 809
 810         while ((opt = getopt(argc, argv, "U:nhS:D:A:M:C:G:td:")) != EOF) {
 811                 switch (opt) {
 812                 case 'U':
 813                         pstrcpy(username,optarg);
 814                         p = strchr_m(username,'%');
 815                         if (p) {
 816                                 *p = 0;
 817                                 pstrcpy(password, p+1);
 818                                 got_pass = 1;
 819                         }
 820                         break;
 821
 822                 case 'S':
 823                         the_acl = optarg;
 824                         mode = SMB_ACL_SET;
 825                         break;
 826
 827                 case 'D':
 828                         the_acl = optarg;
 829                         mode = SMB_ACL_DELETE;
 830                         break;
 831
 832                 case 'M':
 833                         the_acl = optarg;
 834                         mode = SMB_ACL_MODIFY;
 835                         break;
 836
 837                 case 'A':
 838                         the_acl = optarg;
 839                         mode = SMB_ACL_ADD;
 840                         break;
 841
 842                 case 'C':
 843                         pstrcpy(owner_username,optarg);
 844                         change_mode = REQUEST_CHOWN;
 845                         break;
 846
 847                 case 'G':
 848                         pstrcpy(owner_username,optarg);
 849                         change_mode = REQUEST_CHGRP;
 850                         break;
 851
 852                 case 'n':
 853                         numeric = 1;
 854                         break;
 855
 856                 case 't':
 857                         test_args = 1;
 858                         break;
 859
 860                 case 'h':
 861                         usage();
 862                         talloc_destroy(ctx);
 863                         exit(EXIT_PARSE_ERROR);
 864
 865                 case 'd':
 866                         DEBUGLEVEL = atoi(optarg);
 867                         break;
 868
 869                 default:
 870                         printf("Unknown option %c (%d)\n", (char)opt, opt);
 871                         talloc_destroy(ctx);
 872                         exit(EXIT_PARSE_ERROR);
 873                 }
 874         }
 875
 876         argc -= optind;
 877         argv += optind;
 878
 879         if (argc > 0) {
 880                 usage();
 881                 talloc_destroy(ctx);
 882                 exit(EXIT_PARSE_ERROR);
 883         }
 884
 885         /* Make connection to server */
 886
 887         fstrcpy(server,share+2);
 888         share = strchr_m(server,'\\');
 889         if (!share) return -1;
 890         *share = 0;
 891         share++;
 892
 893         if (!test_args) {
 894                 cli = connect_one(share);
 895                 if (!cli) {
 896                         talloc_destroy(ctx);
 897                         exit(EXIT_FAILED);
 898                 }
 899         } else {
 900                 exit(0);
 901         }
 902
 903         all_string_sub(filename, "/", "\\", 0);
 904         if (filename[0] != '\\') {
 905                 pstring s;
 906                 s[0] = '\\';
 907                 safe_strcpy(&s[1], filename, sizeof(pstring)-1);
 908                 pstrcpy(filename, s);
 909         }
 910
 911         /* Perform requested action */
 912
 913         if (change_mode != REQUEST_NONE) {
 914                 result = owner_set(cli, change_mode, filename, owner_username);
 915         } else if (the_acl) {
 916                 result = cacl_set(cli, filename, the_acl, mode);
 917         } else {
 918                 result = cacl_dump(cli, filename);
 919         }
 920
 921         talloc_destroy(ctx);
 922
 923         return result;
 924 }
 925