source3/utils/smbcacls.c

   1 /*
   2    Unix SMB/Netbios implementation.
   3    ACL get/set utility
   4    Version 3.0
   5
   6    Copyright (C) Andrew Tridgell 2000
   7    Copyright (C) Tim Potter      2000
   8    Copyright (C) Jeremy Allison  2000
   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 2 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, write to the Free Software
  22    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  23 */
  24
  25 #include "includes.h"
  26
  27 static fstring password;
  28 static pstring username;
  29 static pstring owner_username;
  30 static fstring server;
  31 static int got_pass;
  32 static int test_args;
  33
  34 /* numeric is set when the user wants numeric SIDs and ACEs rather
  35    than going via LSA calls to resolve them */
  36 static int numeric;
  37
  38 enum acl_mode {ACL_SET, ACL_DELETE, ACL_MODIFY, ACL_ADD };
  39 enum chown_mode {REQUEST_NONE, REQUEST_CHOWN, REQUEST_CHGRP};
  40 enum exit_values {EXIT_OK, EXIT_FAILED, EXIT_PARSE_ERROR};
  41
  42 struct perm_value {
  43         char *perm;
  44         uint32 mask;
  45 };
  46
  47 /* These values discovered by inspection */
  48
  49 static struct perm_value special_values[] = {
  50         { "R", 0x00120089 },
  51         { "W", 0x00120116 },
  52         { "X", 0x001200a0 },
  53         { "D", 0x00010000 },
  54         { "P", 0x00040000 },
  55         { "O", 0x00080000 },
  56         { NULL, 0 },
  57 };
  58
  59 static struct perm_value standard_values[] = {
  60         { "READ",   0x001200a9 },
  61         { "CHANGE", 0x001301bf },
  62         { "FULL",   0x001f01ff },
  63         { NULL, 0 },
  64 };
  65
  66 struct cli_state lsa_cli;
  67 POLICY_HND pol;
  68 struct ntuser_creds creds;
  69 BOOL got_policy_hnd;
  70
  71 /* Open cli connection and policy handle */
  72
  73 static BOOL open_policy_hnd(void)
  74 {
  75         creds.pwd.null_pwd = 1;
  76
  77         /* Initialise cli LSA connection */
  78
  79         if (!lsa_cli.initialised &&
  80             !cli_lsa_initialise(&lsa_cli, server, &creds)) {
  81                 return False;
  82         }
  83
  84         /* Open policy handle */
  85
  86         if (!got_policy_hnd) {
  87
  88                 /* Some systems don't support SEC_RIGHTS_MAXIMUM_ALLOWED,
  89                    but NT sends 0x2000000 so we might as well do it too. */
  90
  91                 if (cli_lsa_open_policy(&lsa_cli, True,
  92                                         GENERIC_EXECUTE_ACCESS, &pol)
  93                     != NT_STATUS_NOPROBLEMO) {
  94                         return False;
  95                 }
  96
  97                 got_policy_hnd = True;
  98         }
  99
 100         return True;
 101 }
 102
 103 /* convert a SID to a string, either numeric or username/group */
 104 static void SidToString(fstring str, DOM_SID *sid)
 105 {
 106         char **names = NULL;
 107         uint32 *types = NULL;
 108         int num_names;
 109
 110         sid_to_string(str, sid);
 111
 112         if (numeric) return;
 113
 114         /* Ask LSA to convert the sid to a name */
 115
 116         if (!open_policy_hnd() ||
 117             cli_lsa_lookup_sids(&lsa_cli, &pol, 1, sid, &names, &types,
 118                                 &num_names) != NT_STATUS_NOPROBLEMO) {
 119                 return;
 120         }
 121
 122         /* Converted OK */
 123
 124         fstrcpy(str, names[0]);
 125
 126         safe_free(names[0]);
 127         safe_free(names);
 128         safe_free(types);
 129 }
 130
 131 /* convert a string to a SID, either numeric or username/group */
 132 static BOOL StringToSid(DOM_SID *sid, char *str)
 133 {
 134         uint32 *types = NULL;
 135         DOM_SID *sids = NULL;
 136         int num_sids;
 137         BOOL result = True;
 138
 139         if (strncmp(str, "S-", 2) == 0) {
 140                 return string_to_sid(sid, str);
 141         }
 142
 143         if (!open_policy_hnd() ||
 144             cli_lsa_lookup_names(&lsa_cli, &pol, 1, &str, &sids, &types,
 145                                  &num_sids) != NT_STATUS_NOPROBLEMO) {
 146                 result = False;
 147                 goto done;
 148         }
 149
 150         sid_copy(sid, &sids[0]);
 151
 152         safe_free(sids);
 153         safe_free(types);
 154
 155  done:
 156
 157         return result;
 158 }
 159
 160
 161 /* print an ACE on a FILE, using either numeric or ascii representation */
 162 static void print_ace(FILE *f, SEC_ACE *ace)
 163 {
 164         struct perm_value *v;
 165         fstring sidstr;
 166         int do_print = 0;
 167         uint32 got_mask;
 168
 169         SidToString(sidstr, &ace->sid);
 170
 171         fprintf(f, "%s:", sidstr);
 172
 173         if (numeric) {
 174                 fprintf(f, "%d/%d/0x%08x\n",
 175                         ace->type, ace->flags, ace->info.mask);
 176                 return;
 177         }
 178
 179         /* Ace type */
 180
 181         if (ace->type == SEC_ACE_TYPE_ACCESS_ALLOWED) {
 182                 fprintf(f, "ALLOWED");
 183         } else if (ace->type == SEC_ACE_TYPE_ACCESS_DENIED) {
 184                 fprintf(f, "DENIED");
 185         } else {
 186                 fprintf(f, "%d", ace->type);
 187         }
 188
 189         /* Not sure what flags can be set in a file ACL */
 190
 191         fprintf(f, "/%d/", ace->flags);
 192
 193         /* Standard permissions */
 194
 195         for (v = standard_values; v->perm; v++) {
 196                 if (ace->info.mask == v->mask) {
 197                         fprintf(f, "%s\n", v->perm);
 198                         return;
 199                 }
 200         }
 201
 202         /* Special permissions.  Print out a hex value if we have
 203            leftover bits in the mask. */
 204
 205         got_mask = ace->info.mask;
 206
 207  again:
 208         for (v = special_values; v->perm; v++) {
 209                 if ((ace->info.mask & v->mask) == v->mask) {
 210                         if (do_print) {
 211                                 fprintf(f, "%s", v->perm);
 212                         }
 213                         got_mask &= ~v->mask;
 214                 }
 215         }
 216
 217         if (!do_print) {
 218                 if (got_mask != 0) {
 219                         fprintf(f, "0x%08x", ace->info.mask);
 220                 } else {
 221                         do_print = 1;
 222                         goto again;
 223                 }
 224         }
 225
 226         fprintf(f, "\n");
 227 }
 228
 229
 230 /* parse an ACE in the same format as print_ace() */
 231 static BOOL parse_ace(SEC_ACE *ace, char *str)
 232 {
 233         char *p;
 234         fstring tok;
 235         unsigned atype, aflags, amask;
 236         DOM_SID sid;
 237         SEC_ACCESS mask;
 238         struct perm_value *v;
 239
 240         ZERO_STRUCTP(ace);
 241         p = strchr(str,':');
 242         if (!p) return False;
 243         *p = '\0';
 244         p++;
 245
 246         /* Try to parse numeric form */
 247
 248         if (sscanf(p, "%i/%i/%i", &atype, &aflags, &amask) == 3 &&
 249             StringToSid(&sid, str)) {
 250                 goto done;
 251         }
 252
 253         /* Try to parse text form */
 254
 255         if (!StringToSid(&sid, str)) {
 256                 return False;
 257         }
 258
 259         if (!next_token(&p, tok, "/", sizeof(fstring))) {
 260                 return False;
 261         }
 262
 263         if (strncmp(tok, "ALLOWED", strlen("ALLOWED")) == 0) {
 264                 atype = SEC_ACE_TYPE_ACCESS_ALLOWED;
 265         } else if (strncmp(tok, "DENIED", strlen("DENIED")) == 0) {
 266                 atype = SEC_ACE_TYPE_ACCESS_DENIED;
 267         } else {
 268                 return False;
 269         }
 270
 271         /* Only numeric form accepted for flags at present */
 272
 273         if (!(next_token(NULL, tok, "/", sizeof(fstring)) &&
 274               sscanf(tok, "%i", &aflags))) {
 275                 return False;
 276         }
 277
 278         if (!next_token(NULL, tok, "/", sizeof(fstring))) {
 279                 return False;
 280         }
 281
 282         if (strncmp(tok, "0x", 2) == 0) {
 283                 if (sscanf(tok, "%i", &amask) != 1) {
 284                         return False;
 285                 }
 286                 goto done;
 287         }
 288
 289         for (v = standard_values; v->perm; v++) {
 290                 if (strcmp(tok, v->perm) == 0) {
 291                         amask = v->mask;
 292                         goto done;
 293                 }
 294         }
 295
 296         p = tok;
 297
 298         while(*p) {
 299                 BOOL found = False;
 300
 301                 for (v = special_values; v->perm; v++) {
 302                         if (v->perm[0] == *p) {
 303                                 amask |= v->mask;
 304                                 found = True;
 305                         }
 306                 }
 307
 308                 if (!found) return False;
 309                 p++;
 310         }
 311
 312         if (*p) {
 313                 return False;
 314         }
 315
 316  done:
 317         mask.mask = amask;
 318         init_sec_ace(ace, &sid, atype, mask, aflags);
 319         return True;
 320 }
 321
 322 /* add an ACE to a list of ACEs in a SEC_ACL */
 323 static BOOL add_ace(SEC_ACL **the_acl, SEC_ACE *ace)
 324 {
 325         SEC_ACL *new;
 326         SEC_ACE *aces;
 327         if (! *the_acl) {
 328                 (*the_acl) = make_sec_acl(3, 1, ace);
 329                 return True;
 330         }
 331
 332         aces = calloc(1+(*the_acl)->num_aces,sizeof(SEC_ACE));
 333         memcpy(aces, (*the_acl)->ace, (*the_acl)->num_aces * sizeof(SEC_ACE));
 334         memcpy(aces+(*the_acl)->num_aces, ace, sizeof(SEC_ACE));
 335         new = make_sec_acl((*the_acl)->revision,1+(*the_acl)->num_aces, aces);
 336         free_sec_acl(the_acl);
 337         free(aces);
 338         (*the_acl) = new;
 339         return True;
 340 }
 341
 342 /* parse a ascii version of a security descriptor */
 343 static SEC_DESC *sec_desc_parse(char *str)
 344 {
 345         char *p = str;
 346         fstring tok;
 347         SEC_DESC *ret;
 348         unsigned sd_size;
 349         DOM_SID *grp_sid=NULL, *owner_sid=NULL;
 350         SEC_ACL *dacl=NULL;
 351         int revision=1;
 352
 353         while (next_token(&p, tok, "\t,\r\n", sizeof(tok))) {
 354
 355                 if (strncmp(tok,"REVISION:", 9) == 0) {
 356                         revision = strtol(tok+9, NULL, 16);
 357                         continue;
 358                 }
 359
 360                 if (strncmp(tok,"OWNER:", 6) == 0) {
 361                         owner_sid = (DOM_SID *)calloc(1, sizeof(DOM_SID));
 362                         if (!owner_sid ||
 363                             !StringToSid(owner_sid, tok+6)) {
 364                                 printf("Failed to parse owner sid\n");
 365                                 return NULL;
 366                         }
 367                         continue;
 368                 }
 369
 370                 if (strncmp(tok,"GROUP:", 6) == 0) {
 371                         grp_sid = (DOM_SID *)calloc(1, sizeof(DOM_SID));
 372                         if (!grp_sid ||
 373                             !StringToSid(grp_sid, tok+6)) {
 374                                 printf("Failed to parse group sid\n");
 375                                 return NULL;
 376                         }
 377                         continue;
 378                 }
 379
 380                 if (strncmp(tok,"ACL:", 4) == 0) {
 381                         SEC_ACE ace;
 382                         if (!parse_ace(&ace, tok+4)) {
 383                                 printf("Failed to parse ACL %s\n", tok);
 384                                 return NULL;
 385                         }
 386                         if(!add_ace(&dacl, &ace)) {
 387                                 printf("Failed to add ACL %s\n", tok);
 388                                 return NULL;
 389                         }
 390                         continue;
 391                 }
 392
 393                 printf("Failed to parse security descriptor\n");
 394                 return NULL;
 395         }
 396
 397         ret = make_sec_desc(revision, owner_sid, grp_sid,
 398                             NULL, dacl, &sd_size);
 399
 400         free_sec_acl(&dacl);
 401
 402         if (grp_sid) free(grp_sid);
 403         if (owner_sid) free(owner_sid);
 404
 405         return ret;
 406 }
 407
 408
 409 /* print a ascii version of a security descriptor on a FILE handle */
 410 static void sec_desc_print(FILE *f, SEC_DESC *sd)
 411 {
 412         fstring sidstr;
 413         int i;
 414
 415         printf("REVISION:%d\n", sd->revision);
 416
 417         /* Print owner and group sid */
 418
 419         if (sd->owner_sid) {
 420                 SidToString(sidstr, sd->owner_sid);
 421         } else {
 422                 fstrcpy(sidstr, "");
 423         }
 424
 425         printf("OWNER:%s\n", sidstr);
 426
 427         if (sd->grp_sid) {
 428                 SidToString(sidstr, sd->grp_sid);
 429         } else {
 430                 fstrcpy(sidstr, "");
 431         }
 432
 433         fprintf(f, "GROUP:%s\n", sidstr);
 434
 435         /* Print aces */
 436         for (i = 0; sd->dacl && i < sd->dacl->num_aces; i++) {
 437                 SEC_ACE *ace = &sd->dacl->ace[i];
 438                 fprintf(f, "ACL:");
 439                 print_ace(f, ace);
 440         }
 441
 442 }
 443
 444 /* Some systems seem to require unicode pathnames for the ntcreate&x call
 445    despite Samba negotiating ascii filenames.  Try with unicode pathname if
 446    the ascii version fails. */
 447
 448 int do_cli_nt_create(struct cli_state *cli, char *fname, uint32 DesiredAccess)
 449 {
 450         int result;
 451
 452         result = cli_nt_create(cli, fname, DesiredAccess);
 453
 454         if (result == -1) {
 455                 uint32 errnum, nt_rpc_error;
 456                 uint8 errclass;
 457
 458                 cli_error(cli, &errclass, &errnum, &nt_rpc_error);
 459
 460                 if (errclass == ERRDOS && errnum == ERRbadpath) {
 461                         result = cli_nt_create_uni(cli, fname, DesiredAccess);
 462                 }
 463         }
 464
 465         return result;
 466 }
 467
 468 /*****************************************************
 469 dump the acls for a file
 470 *******************************************************/
 471 static int cacl_dump(struct cli_state *cli, char *filename)
 472 {
 473         int fnum;
 474         SEC_DESC *sd;
 475
 476         if (test_args) return EXIT_OK;
 477
 478         fnum = do_cli_nt_create(cli, filename, 0x20000);
 479         if (fnum == -1) {
 480                 printf("Failed to open %s: %s\n", filename, cli_errstr(cli));
 481                 return EXIT_FAILED;
 482         }
 483
 484         sd = cli_query_secdesc(cli, fnum);
 485
 486         if (!sd) {
 487                 printf("ERROR: secdesc query failed: %s\n", cli_errstr(cli));
 488                 return EXIT_FAILED;
 489         }
 490
 491         sec_desc_print(stdout, sd);
 492
 493         free_sec_desc(&sd);
 494
 495         cli_close(cli, fnum);
 496
 497         return EXIT_OK;
 498 }
 499
 500 /*****************************************************
 501 Change the ownership or group ownership of a file. Just
 502 because the NT docs say this can't be done :-). JRA.
 503 *******************************************************/
 504
 505 static int owner_set(struct cli_state *cli, enum chown_mode change_mode,
 506                      char *filename, char *new_username)
 507 {
 508         int fnum;
 509         DOM_SID sid;
 510         SEC_DESC *sd, *old;
 511         size_t sd_size;
 512
 513         fnum = do_cli_nt_create(cli, filename,
 514                                 READ_CONTROL_ACCESS | WRITE_DAC_ACCESS
 515                                 | WRITE_OWNER_ACCESS);
 516
 517         if (fnum == -1) {
 518                 printf("Failed to open %s: %s\n", filename, cli_errstr(cli));
 519                 return EXIT_FAILED;
 520         }
 521
 522         if (!StringToSid(&sid, new_username))
 523                 return EXIT_PARSE_ERROR;
 524
 525         old = cli_query_secdesc(cli, fnum);
 526
 527         sd = make_sec_desc(old->revision,
 528                                 (change_mode == REQUEST_CHOWN) ? &sid : old->owner_sid,
 529                                 (change_mode == REQUEST_CHGRP) ? &sid : old->grp_sid,
 530                            NULL, old->dacl, &sd_size);
 531
 532         if (!cli_set_secdesc(cli, fnum, sd)) {
 533                 printf("ERROR: secdesc set failed: %s\n", cli_errstr(cli));
 534         }
 535
 536         free_sec_desc(&sd);
 537         free_sec_desc(&old);
 538
 539         cli_close(cli, fnum);
 540
 541         return EXIT_OK;
 542 }
 543
 544 /* The MSDN is contradictory over the ordering of ACE entries in an ACL.
 545    However NT4 gives a "The information may have been modified by a
 546    computer running Windows NT 5.0" if denied ACEs do not appear before
 547    allowed ACEs. */
 548
 549 static void sort_acl(SEC_ACL *the_acl)
 550 {
 551         SEC_ACE *tmp_ace;
 552         int i, ace_ndx = 0;
 553         BOOL do_denied = True;
 554
 555         tmp_ace = (SEC_ACE *)malloc(sizeof(SEC_ACE) * the_acl->num_aces);
 556
 557         if (!tmp_ace) return;
 558
 559  copy_aces:
 560
 561         for (i = 0; i < the_acl->num_aces; i++) {
 562
 563                 /* Copy denied ACEs */
 564
 565                 if (do_denied &&
 566                     the_acl->ace[i].type == SEC_ACE_TYPE_ACCESS_DENIED) {
 567                         tmp_ace[ace_ndx] = the_acl->ace[i];
 568                         ace_ndx++;
 569                 }
 570
 571                 /* Copy other ACEs */
 572
 573                 if (!do_denied &&
 574                     the_acl->ace[i].type != SEC_ACE_TYPE_ACCESS_DENIED) {
 575                         tmp_ace[ace_ndx] = the_acl->ace[i];
 576                         ace_ndx++;
 577                 }
 578         }
 579
 580         if (do_denied) {
 581                 do_denied = False;
 582                 goto copy_aces;
 583         }
 584
 585         free(the_acl->ace);
 586         the_acl->ace = tmp_ace;
 587 }
 588
 589 /*****************************************************
 590 set the ACLs on a file given an ascii description
 591 *******************************************************/
 592 static int cacl_set(struct cli_state *cli, char *filename,
 593                     char *the_acl, enum acl_mode mode)
 594 {
 595         int fnum;
 596         SEC_DESC *sd, *old;
 597         int i, j;
 598         size_t sd_size;
 599         int result = EXIT_OK;
 600
 601         sd = sec_desc_parse(the_acl);
 602
 603         if (!sd) return EXIT_PARSE_ERROR;
 604         if (test_args) return EXIT_OK;
 605
 606         /* The desired access below is the only one I could find that works
 607            with NT4, W2KP and Samba */
 608
 609         fnum = do_cli_nt_create(cli, filename,
 610                                 MAXIMUM_ALLOWED_ACCESS | 0x60000);
 611
 612         if (fnum == -1) {
 613                 printf("Failed to open %s: %s\n", filename, cli_errstr(cli));
 614                 return EXIT_FAILED;
 615         }
 616
 617         old = cli_query_secdesc(cli, fnum);
 618
 619         /* the logic here is rather more complex than I would like */
 620         switch (mode) {
 621         case ACL_DELETE:
 622                 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
 623                         BOOL found = False;
 624
 625                         for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
 626                                 if (sec_ace_equal(&sd->dacl->ace[i],
 627                                                   &old->dacl->ace[j])) {
 628                                         if (j != old->dacl->num_aces-1) {
 629                                                 old->dacl->ace[j] = old->dacl->ace[j+1];
 630                                         }
 631                                         old->dacl->num_aces--;
 632                                         if (old->dacl->num_aces == 0) {
 633                                                 free(old->dacl->ace);
 634                                                 old->dacl->ace=NULL;
 635                                                 free(old->dacl);
 636                                                 old->dacl = NULL;
 637                                                 old->off_dacl = 0;
 638                                         }
 639                                         found = True;
 640                                         break;
 641                                 }
 642                         }
 643
 644                         if (!found) {
 645                                 fstring str;
 646
 647                                 SidToString(str, &sd->dacl->ace[i].sid);
 648                                 printf("ACL for SID %s not found\n", str);
 649                         }
 650                 }
 651                 break;
 652
 653         case ACL_MODIFY:
 654                 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
 655                         BOOL found = False;
 656
 657                         for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
 658                                 if (sid_equal(&sd->dacl->ace[i].sid,
 659                                               &old->dacl->ace[j].sid)) {
 660                                         old->dacl->ace[j] = sd->dacl->ace[i];
 661                                         found = True;
 662                                 }
 663                         }
 664
 665                         if (!found) {
 666                                 fstring str;
 667
 668                                 SidToString(str, &sd->dacl->ace[i].sid);
 669                                 printf("ACL for SID %s not found\n", str);
 670                         }
 671                 }
 672
 673                 break;
 674
 675         case ACL_ADD:
 676                 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
 677                         add_ace(&old->dacl, &sd->dacl->ace[i]);
 678                 }
 679                 break;
 680
 681         case ACL_SET:
 682                 free_sec_desc(&old);
 683                 old = sd;
 684                 break;
 685         }
 686
 687         if (sd != old) {
 688                 free_sec_desc(&sd);
 689         }
 690
 691         /* Denied ACE entries must come before allowed ones */
 692
 693         sort_acl(old->dacl);
 694
 695         /* Create new security descriptor and set it */
 696
 697         sd = make_sec_desc(old->revision, old->owner_sid, old->grp_sid,
 698                            NULL, old->dacl, &sd_size);
 699
 700         if (!cli_set_secdesc(cli, fnum, sd)) {
 701                 printf("ERROR: secdesc set failed: %s\n", cli_errstr(cli));
 702                 result = EXIT_FAILED;
 703         }
 704
 705         /* Clean up */
 706
 707         free_sec_desc(&sd);
 708         free_sec_desc(&old);
 709
 710         cli_close(cli, fnum);
 711
 712         return result;
 713 }
 714
 715
 716 /*****************************************************
 717 return a connection to a server
 718 *******************************************************/
 719 struct cli_state *connect_one(char *share)
 720 {
 721         struct cli_state *c;
 722         struct nmb_name called, calling;
 723         char *server_n;
 724         struct in_addr ip;
 725         extern struct in_addr ipzero;
 726         extern pstring global_myname;
 727
 728         fstrcpy(server,share+2);
 729         share = strchr(server,'\\');
 730         if (!share) return NULL;
 731         *share = 0;
 732         share++;
 733
 734         server_n = server;
 735
 736         ip = ipzero;
 737
 738         make_nmb_name(&calling, global_myname, 0x0);
 739         make_nmb_name(&called , server, 0x20);
 740
 741  again:
 742         ip = ipzero;
 743
 744         /* have to open a new connection */
 745         if (!(c=cli_initialise(NULL)) || (cli_set_port(c, 139) == 0) ||
 746             !cli_connect(c, server_n, &ip)) {
 747                 DEBUG(0,("Connection to %s failed\n", server_n));
 748                 cli_shutdown(c);
 749                 safe_free(c);
 750                 return NULL;
 751         }
 752
 753         if (!cli_session_request(c, &calling, &called)) {
 754                 DEBUG(0,("session request to %s failed\n", called.name));
 755                 cli_shutdown(c);
 756                 safe_free(c);
 757                 if (strcmp(called.name, "*SMBSERVER")) {
 758                         make_nmb_name(&called , "*SMBSERVER", 0x20);
 759                         goto again;
 760                 }
 761                 return NULL;
 762         }
 763
 764         DEBUG(4,(" session request ok\n"));
 765
 766         if (!cli_negprot(c)) {
 767                 DEBUG(0,("protocol negotiation failed\n"));
 768                 cli_shutdown(c);
 769                 safe_free(c);
 770                 return NULL;
 771         }
 772
 773         if (!got_pass) {
 774                 char *pass = getpass("Password: ");
 775                 if (pass) {
 776                         pstrcpy(password, pass);
 777                 }
 778         }
 779
 780         if (!cli_session_setup(c, username,
 781                                password, strlen(password),
 782                                password, strlen(password),
 783                                lp_workgroup())) {
 784                 DEBUG(0,("session setup failed: %s\n", cli_errstr(c)));
 785                 cli_shutdown(c);
 786                 safe_free(c);
 787                 return NULL;
 788         }
 789
 790         DEBUG(4,(" session setup ok\n"));
 791
 792         if (!cli_send_tconX(c, share, "?????",
 793                             password, strlen(password)+1)) {
 794                 DEBUG(0,("tree connect failed: %s\n", cli_errstr(c)));
 795                 cli_shutdown(c);
 796                 safe_free(c);
 797                 return NULL;
 798         }
 799
 800         DEBUG(4,(" tconx ok\n"));
 801
 802         return c;
 803 }
 804
 805
 806 static void usage(void)
 807 {
 808         printf(
 809 "Usage: smbcacls //server1/share1 filename [options]\n\
 810 \n\
 811 \t-D <acls>               delete an acl\n\
 812 \t-M <acls>               modify an acl\n\
 813 \t-A <acls>               add an acl\n\
 814 \t-S <acls>               set acls\n\
 815 \t-C username             change ownership of a file\n\
 816 \t-G username             change group ownership of a file\n\
 817 \t-n                      don't resolve sids or masks to names\n\
 818 \t-h                      print help\n\
 819 \n\
 820 The username can be of the form username%%password or\n\
 821 workgroup\\username%%password.\n\n\
 822 An acl is of the form ACL:<SID>:type/flags/mask\n\
 823 You can string acls together with spaces, commas or newlines\n\
 824 ");
 825 }
 826
 827 /****************************************************************************
 828   main program
 829 ****************************************************************************/
 830  int main(int argc,char *argv[])
 831 {
 832         char *share;
 833         char *filename;
 834         extern char *optarg;
 835         extern int optind;
 836         extern FILE *dbf;
 837         int opt;
 838         char *p;
 839         int seed;
 840         static pstring servicesf = CONFIGFILE;
 841         struct cli_state *cli;
 842         enum acl_mode mode;
 843         char *the_acl = NULL;
 844         enum chown_mode change_mode = REQUEST_NONE;
 845         int result;
 846
 847         setlinebuf(stdout);
 848
 849         dbf = stderr;
 850
 851         if (argc < 3 || argv[1][0] == '-') {
 852                 usage();
 853                 exit(EXIT_PARSE_ERROR);
 854         }
 855
 856         setup_logging(argv[0],True);
 857
 858         share = argv[1];
 859         filename = argv[2];
 860         all_string_sub(share,"/","\\",0);
 861
 862         argc -= 2;
 863         argv += 2;
 864
 865         TimeInit();
 866         charset_initialise();
 867
 868         lp_load(servicesf,True,False,False);
 869         codepage_initialise(lp_client_code_page());
 870         load_interfaces();
 871
 872         if (getenv("USER")) {
 873                 pstrcpy(username,getenv("USER"));
 874
 875                 if ((p=strchr(username,'%'))) {
 876                         *p = 0;
 877                         pstrcpy(password,p+1);
 878                         got_pass = True;
 879                         memset(strchr(getenv("USER"), '%') + 1, 'X',
 880                                strlen(password));
 881                 }
 882         }
 883
 884         seed = time(NULL);
 885
 886         while ((opt = getopt(argc, argv, "U:nhS:D:A:M:C:G:t")) != EOF) {
 887                 switch (opt) {
 888                 case 'U':
 889                         pstrcpy(username,optarg);
 890                         p = strchr(username,'%');
 891                         if (p) {
 892                                 *p = 0;
 893                                 pstrcpy(password, p+1);
 894                                 got_pass = 1;
 895                         }
 896                         break;
 897
 898                 case 'S':
 899                         the_acl = optarg;
 900                         mode = ACL_SET;
 901                         break;
 902
 903                 case 'D':
 904                         the_acl = optarg;
 905                         mode = ACL_DELETE;
 906                         break;
 907
 908                 case 'M':
 909                         the_acl = optarg;
 910                         mode = ACL_MODIFY;
 911                         break;
 912
 913                 case 'A':
 914                         the_acl = optarg;
 915                         mode = ACL_ADD;
 916                         break;
 917
 918                 case 'C':
 919                         pstrcpy(owner_username,optarg);
 920                         change_mode = REQUEST_CHOWN;
 921                         break;
 922
 923                 case 'G':
 924                         pstrcpy(owner_username,optarg);
 925                         change_mode = REQUEST_CHGRP;
 926                         break;
 927
 928                 case 'n':
 929                         numeric = 1;
 930                         break;
 931
 932                 case 't':
 933                         test_args = 1;
 934                         break;
 935
 936                 case 'h':
 937                         usage();
 938                         exit(EXIT_PARSE_ERROR);
 939
 940                 default:
 941                         printf("Unknown option %c (%d)\n", (char)opt, opt);
 942                         exit(EXIT_PARSE_ERROR);
 943                 }
 944         }
 945
 946         argc -= optind;
 947         argv += optind;
 948
 949         if (argc > 0) {
 950                 usage();
 951                 exit(EXIT_PARSE_ERROR);
 952         }
 953
 954         /* Make connection to server */
 955
 956         if (!test_args) {
 957                 cli = connect_one(share);
 958                 if (!cli) exit(EXIT_FAILED);
 959         }
 960
 961         {
 962                 char *s;
 963
 964                 s = filename;
 965                 while(*s) {
 966                         if (*s == '/') *s = '\\';
 967                         s++;
 968                 }
 969         }
 970
 971         /* Perform requested action */
 972
 973         if (change_mode != REQUEST_NONE) {
 974                 result = owner_set(cli, change_mode, filename, owner_username);
 975         } else if (the_acl) {
 976                 result = cacl_set(cli, filename, the_acl, mode);
 977         } else {
 978                 result = cacl_dump(cli, filename);
 979         }
 980
 981         return result;
 982 }