source/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 struct perm_value {
  46         char *perm;
  47         uint32 mask;
  48 };
  49
  50 /* These values discovered by inspection */
  51
  52 static struct perm_value special_values[] = {
  53         { "R", 0x00120089 },
  54         { "W", 0x00120116 },
  55         { "X", 0x001200a0 },
  56         { "D", 0x00010000 },
  57         { "P", 0x00040000 },
  58         { "O", 0x00080000 },
  59         { NULL, 0 },
  60 };
  61
  62 static struct perm_value standard_values[] = {
  63         { "READ",   0x001200a9 },
  64         { "CHANGE", 0x001301bf },
  65         { "FULL",   0x001f01ff },
  66         { NULL, 0 },
  67 };
  68
  69 struct cli_state lsa_cli;
  70 POLICY_HND pol;
  71 struct ntuser_creds creds;
  72 BOOL got_policy_hnd;
  73
  74 /* Open cli connection and policy handle */
  75
  76 static BOOL cacls_open_policy_hnd(void)
  77 {
  78         creds.pwd.null_pwd = 1;
  79
  80         /* Initialise cli LSA connection */
  81
  82         if (!lsa_cli.initialised &&
  83             !cli_lsa_initialise(&lsa_cli, server, &creds)) {
  84                 return False;
  85         }
  86
  87         /* Open policy handle */
  88
  89         if (!got_policy_hnd) {
  90
  91                 /* Some systems don't support SEC_RIGHTS_MAXIMUM_ALLOWED,
  92                    but NT sends 0x2000000 so we might as well do it too. */
  93
  94                 if (!NT_STATUS_IS_OK(cli_lsa_open_policy(&lsa_cli, lsa_cli.mem_ctx, True,
  95                                                          GENERIC_EXECUTE_ACCESS, &pol))) {
  96                         return False;
  97                 }
  98
  99                 got_policy_hnd = True;
 100         }
 101
 102         return True;
 103 }
 104
 105 /* convert a SID to a string, either numeric or username/group */
 106 static void SidToString(fstring str, DOM_SID *sid)
 107 {
 108         char **domains = NULL;
 109         char **names = NULL;
 110         uint32 *types = NULL;
 111
 112         sid_to_string(str, sid);
 113
 114         if (numeric) return;
 115
 116         /* Ask LSA to convert the sid to a name */
 117
 118         if (!cacls_open_policy_hnd() ||
 119             !NT_STATUS_IS_OK(cli_lsa_lookup_sids(&lsa_cli, lsa_cli.mem_ctx,
 120                                                  &pol, 1, sid, &domains,
 121                                                  &names, &types)) ||
 122             !domains || !domains[0] || !names || !names[0]) {
 123                 return;
 124         }
 125
 126         /* Converted OK */
 127
 128         slprintf(str, sizeof(fstring) - 1, "%s%s%s",
 129                  domains[0], lp_winbind_separator(),
 130                  names[0]);
 131
 132 }
 133
 134 /* convert a string to a SID, either numeric or username/group */
 135 static BOOL StringToSid(DOM_SID *sid, const char *str)
 136 {
 137         uint32 *types = NULL;
 138         DOM_SID *sids = NULL;
 139         BOOL result = True;
 140
 141         if (strncmp(str, "S-", 2) == 0) {
 142                 return string_to_sid(sid, str);
 143         }
 144
 145         if (!cacls_open_policy_hnd() ||
 146             !NT_STATUS_IS_OK(cli_lsa_lookup_names(&lsa_cli, lsa_cli.mem_ctx,
 147                                                   &pol, 1, &str, &sids,
 148                                                   &types))) {
 149                 result = False;
 150                 goto done;
 151         }
 152
 153         sid_copy(sid, &sids[0]);
 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->trustee);
 170
 171         fprintf(f, "%s:", sidstr);
 172
 173         if (numeric) {
 174                 fprintf(f, "%d/%d/0x%08x",
 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", 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
 227
 228 /* parse an ACE in the same format as print_ace() */
 229 static BOOL parse_ace(SEC_ACE *ace, char *str)
 230 {
 231         char *p;
 232         fstring tok;
 233         unsigned atype, aflags, amask;
 234         DOM_SID sid;
 235         SEC_ACCESS mask;
 236         struct perm_value *v;
 237
 238         ZERO_STRUCTP(ace);
 239         p = strchr_m(str,':');
 240         if (!p) return False;
 241         *p = '\0';
 242         p++;
 243
 244         /* Try to parse numeric form */
 245
 246         if (sscanf(p, "%i/%i/%i", &atype, &aflags, &amask) == 3 &&
 247             StringToSid(&sid, str)) {
 248                 goto done;
 249         }
 250
 251         /* Try to parse text form */
 252
 253         if (!StringToSid(&sid, str)) {
 254                 return False;
 255         }
 256
 257         if (!next_token(&p, tok, "/", sizeof(fstring))) {
 258                 return False;
 259         }
 260
 261         if (strncmp(tok, "ALLOWED", strlen("ALLOWED")) == 0) {
 262                 atype = SEC_ACE_TYPE_ACCESS_ALLOWED;
 263         } else if (strncmp(tok, "DENIED", strlen("DENIED")) == 0) {
 264                 atype = SEC_ACE_TYPE_ACCESS_DENIED;
 265         } else {
 266                 return False;
 267         }
 268
 269         /* Only numeric form accepted for flags at present */
 270
 271         if (!(next_token(&p, tok, "/", sizeof(fstring)) &&
 272               sscanf(tok, "%i", &aflags))) {
 273                 return False;
 274         }
 275
 276         if (!next_token(&p, tok, "/", sizeof(fstring))) {
 277                 return False;
 278         }
 279
 280         if (strncmp(tok, "0x", 2) == 0) {
 281                 if (sscanf(tok, "%i", &amask) != 1) {
 282                         return False;
 283                 }
 284                 goto done;
 285         }
 286
 287         for (v = standard_values; v->perm; v++) {
 288                 if (strcmp(tok, v->perm) == 0) {
 289                         amask = v->mask;
 290                         goto done;
 291                 }
 292         }
 293
 294         p = tok;
 295
 296         while(*p) {
 297                 BOOL found = False;
 298
 299                 for (v = special_values; v->perm; v++) {
 300                         if (v->perm[0] == *p) {
 301                                 amask |= v->mask;
 302                                 found = True;
 303                         }
 304                 }
 305
 306                 if (!found) return False;
 307                 p++;
 308         }
 309
 310         if (*p) {
 311                 return False;
 312         }
 313
 314  done:
 315         mask.mask = amask;
 316         init_sec_ace(ace, &sid, atype, mask, aflags);
 317         return True;
 318 }
 319
 320 /* add an ACE to a list of ACEs in a SEC_ACL */
 321 static BOOL add_ace(SEC_ACL **the_acl, SEC_ACE *ace)
 322 {
 323         SEC_ACL *new;
 324         SEC_ACE *aces;
 325         if (! *the_acl) {
 326                 (*the_acl) = make_sec_acl(ctx, 3, 1, ace);
 327                 return True;
 328         }
 329
 330         aces = calloc(1+(*the_acl)->num_aces,sizeof(SEC_ACE));
 331         memcpy(aces, (*the_acl)->ace, (*the_acl)->num_aces * sizeof(SEC_ACE));
 332         memcpy(aces+(*the_acl)->num_aces, ace, sizeof(SEC_ACE));
 333         new = make_sec_acl(ctx,(*the_acl)->revision,1+(*the_acl)->num_aces, aces);
 334         SAFE_FREE(aces);
 335         (*the_acl) = new;
 336         return True;
 337 }
 338
 339 /* parse a ascii version of a security descriptor */
 340 static SEC_DESC *sec_desc_parse(char *str)
 341 {
 342         char *p = str;
 343         fstring tok;
 344         SEC_DESC *ret;
 345         size_t sd_size;
 346         DOM_SID *grp_sid=NULL, *owner_sid=NULL;
 347         SEC_ACL *dacl=NULL;
 348         int revision=1;
 349
 350         while (next_token(&p, tok, "\t,\r\n", sizeof(tok))) {
 351
 352                 if (strncmp(tok,"REVISION:", 9) == 0) {
 353                         revision = strtol(tok+9, NULL, 16);
 354                         continue;
 355                 }
 356
 357                 if (strncmp(tok,"OWNER:", 6) == 0) {
 358                         owner_sid = (DOM_SID *)calloc(1, sizeof(DOM_SID));
 359                         if (!owner_sid ||
 360                             !StringToSid(owner_sid, tok+6)) {
 361                                 printf("Failed to parse owner sid\n");
 362                                 return NULL;
 363                         }
 364                         continue;
 365                 }
 366
 367                 if (strncmp(tok,"GROUP:", 6) == 0) {
 368                         grp_sid = (DOM_SID *)calloc(1, sizeof(DOM_SID));
 369                         if (!grp_sid ||
 370                             !StringToSid(grp_sid, tok+6)) {
 371                                 printf("Failed to parse group sid\n");
 372                                 return NULL;
 373                         }
 374                         continue;
 375                 }
 376
 377                 if (strncmp(tok,"ACL:", 4) == 0) {
 378                         SEC_ACE ace;
 379                         if (!parse_ace(&ace, tok+4)) {
 380                                 printf("Failed to parse ACL %s\n", tok);
 381                                 return NULL;
 382                         }
 383                         if(!add_ace(&dacl, &ace)) {
 384                                 printf("Failed to add ACL %s\n", tok);
 385                                 return NULL;
 386                         }
 387                         continue;
 388                 }
 389
 390                 printf("Failed to parse security descriptor\n");
 391                 return NULL;
 392         }
 393
 394         ret = make_sec_desc(ctx,revision, owner_sid, grp_sid,
 395                             NULL, dacl, &sd_size);
 396
 397         SAFE_FREE(grp_sid);
 398         SAFE_FREE(owner_sid);
 399
 400         return ret;
 401 }
 402
 403
 404 /* print a ascii version of a security descriptor on a FILE handle */
 405 static void sec_desc_print(FILE *f, SEC_DESC *sd)
 406 {
 407         fstring sidstr;
 408         uint32 i;
 409
 410         printf("REVISION:%d\n", sd->revision);
 411
 412         /* Print owner and group sid */
 413
 414         if (sd->owner_sid) {
 415                 SidToString(sidstr, sd->owner_sid);
 416         } else {
 417                 fstrcpy(sidstr, "");
 418         }
 419
 420         printf("OWNER:%s\n", sidstr);
 421
 422         if (sd->grp_sid) {
 423                 SidToString(sidstr, sd->grp_sid);
 424         } else {
 425                 fstrcpy(sidstr, "");
 426         }
 427
 428         fprintf(f, "GROUP:%s\n", sidstr);
 429
 430         /* Print aces */
 431         for (i = 0; sd->dacl && i < sd->dacl->num_aces; i++) {
 432                 SEC_ACE *ace = &sd->dacl->ace[i];
 433                 fprintf(f, "ACL:");
 434                 print_ace(f, ace);
 435                 fprintf(f, "\n");
 436         }
 437
 438 }
 439
 440 /*****************************************************
 441 dump the acls for a file
 442 *******************************************************/
 443 static int cacl_dump(struct cli_state *cli, char *filename)
 444 {
 445         int fnum;
 446         SEC_DESC *sd;
 447
 448         if (test_args) return EXIT_OK;
 449
 450         fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
 451         if (fnum == -1) {
 452                 printf("Failed to open %s: %s\n", filename, cli_errstr(cli));
 453                 return EXIT_FAILED;
 454         }
 455
 456         sd = cli_query_secdesc(cli, fnum, ctx);
 457
 458         if (!sd) {
 459                 printf("ERROR: secdesc query failed: %s\n", cli_errstr(cli));
 460                 return EXIT_FAILED;
 461         }
 462
 463         sec_desc_print(stdout, sd);
 464
 465         cli_close(cli, fnum);
 466
 467         return EXIT_OK;
 468 }
 469
 470 /*****************************************************
 471 Change the ownership or group ownership of a file. Just
 472 because the NT docs say this can't be done :-). JRA.
 473 *******************************************************/
 474
 475 static int owner_set(struct cli_state *cli, enum chown_mode change_mode,
 476                      char *filename, char *new_username)
 477 {
 478         int fnum;
 479         DOM_SID sid;
 480         SEC_DESC *sd, *old;
 481         size_t sd_size;
 482
 483         fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
 484
 485         if (fnum == -1) {
 486                 printf("Failed to open %s: %s\n", filename, cli_errstr(cli));
 487                 return EXIT_FAILED;
 488         }
 489
 490         if (!StringToSid(&sid, new_username))
 491                 return EXIT_PARSE_ERROR;
 492
 493         old = cli_query_secdesc(cli, fnum, ctx);
 494
 495         cli_close(cli, fnum);
 496
 497         if (!old) {
 498                 printf("owner_set: Failed to query old descriptor\n");
 499                 return EXIT_FAILED;
 500         }
 501
 502         sd = make_sec_desc(ctx,old->revision,
 503                                 (change_mode == REQUEST_CHOWN) ? &sid : old->owner_sid,
 504                                 (change_mode == REQUEST_CHGRP) ? &sid : old->grp_sid,
 505                            NULL, old->dacl, &sd_size);
 506
 507         fnum = cli_nt_create(cli, filename, CREATE_ACCESS_WRITE);
 508
 509         if (fnum == -1) {
 510                 printf("Failed to open %s: %s\n", filename, cli_errstr(cli));
 511                 return EXIT_FAILED;
 512         }
 513
 514         if (!cli_set_secdesc(cli, fnum, sd)) {
 515                 printf("ERROR: secdesc set failed: %s\n", cli_errstr(cli));
 516         }
 517
 518         cli_close(cli, fnum);
 519
 520         return EXIT_OK;
 521 }
 522
 523
 524 /* The MSDN is contradictory over the ordering of ACE entries in an ACL.
 525    However NT4 gives a "The information may have been modified by a
 526    computer running Windows NT 5.0" if denied ACEs do not appear before
 527    allowed ACEs. */
 528
 529 static int ace_compare(SEC_ACE *ace1, SEC_ACE *ace2)
 530 {
 531         if (sec_ace_equal(ace1, ace2))
 532                 return 0;
 533
 534         if (ace1->type != ace2->type)
 535                 return ace2->type - ace1->type;
 536
 537         if (sid_compare(&ace1->trustee, &ace2->trustee))
 538                 return sid_compare(&ace1->trustee, &ace2->trustee);
 539
 540         if (ace1->flags != ace2->flags)
 541                 return ace1->flags - ace2->flags;
 542
 543         if (ace1->info.mask != ace2->info.mask)
 544                 return ace1->info.mask - ace2->info.mask;
 545
 546         if (ace1->size != ace2->size)
 547                 return ace1->size - ace2->size;
 548
 549         return memcmp(ace1, ace2, sizeof(SEC_ACE));
 550 }
 551
 552 static void sort_acl(SEC_ACL *the_acl)
 553 {
 554         uint32 i;
 555         if (!the_acl) return;
 556
 557         qsort(the_acl->ace, the_acl->num_aces, sizeof(the_acl->ace[0]), QSORT_CAST ace_compare);
 558
 559         for (i=1;i<the_acl->num_aces;) {
 560                 if (sec_ace_equal(&the_acl->ace[i-1], &the_acl->ace[i])) {
 561                         int j;
 562                         for (j=i; j<the_acl->num_aces-1; j++) {
 563                                 the_acl->ace[j] = the_acl->ace[j+1];
 564                         }
 565                         the_acl->num_aces--;
 566                 } else {
 567                         i++;
 568                 }
 569         }
 570 }
 571
 572 /*****************************************************
 573 set the ACLs on a file given an ascii description
 574 *******************************************************/
 575 static int cacl_set(struct cli_state *cli, char *filename,
 576                     char *the_acl, enum acl_mode mode)
 577 {
 578         int fnum;
 579         SEC_DESC *sd, *old;
 580         uint32 i, j;
 581         size_t sd_size;
 582         int result = EXIT_OK;
 583
 584         sd = sec_desc_parse(the_acl);
 585
 586         if (!sd) return EXIT_PARSE_ERROR;
 587         if (test_args) return EXIT_OK;
 588
 589         /* The desired access below is the only one I could find that works
 590            with NT4, W2KP and Samba */
 591
 592         fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
 593
 594         if (fnum == -1) {
 595                 printf("cacl_set failed to open %s: %s\n", filename, cli_errstr(cli));
 596                 return EXIT_FAILED;
 597         }
 598
 599         old = cli_query_secdesc(cli, fnum, ctx);
 600
 601         if (!old) {
 602                 printf("calc_set: Failed to query old descriptor\n");
 603                 return EXIT_FAILED;
 604         }
 605
 606         cli_close(cli, fnum);
 607
 608         /* the logic here is rather more complex than I would like */
 609         switch (mode) {
 610         case SMB_ACL_DELETE:
 611                 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
 612                         BOOL found = False;
 613
 614                         for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
 615                                 if (sec_ace_equal(&sd->dacl->ace[i],
 616                                                   &old->dacl->ace[j])) {
 617                                         uint32 k;
 618                                         for (k=j; k<old->dacl->num_aces-1;k++) {
 619                                                 old->dacl->ace[k] = old->dacl->ace[k+1];
 620                                         }
 621                                         old->dacl->num_aces--;
 622                                         if (old->dacl->num_aces == 0) {
 623                                                 SAFE_FREE(old->dacl->ace);
 624                                                 SAFE_FREE(old->dacl);
 625                                                 old->off_dacl = 0;
 626                                         }
 627                                         found = True;
 628                                         break;
 629                                 }
 630                         }
 631
 632                         if (!found) {
 633                                 printf("ACL for ACE:");
 634                                 print_ace(stdout, &sd->dacl->ace[i]);
 635                                 printf(" not found\n");
 636                         }
 637                 }
 638                 break;
 639
 640         case SMB_ACL_MODIFY:
 641                 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
 642                         BOOL found = False;
 643
 644                         for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
 645                                 if (sid_equal(&sd->dacl->ace[i].trustee,
 646                                               &old->dacl->ace[j].trustee)) {
 647                                         old->dacl->ace[j] = sd->dacl->ace[i];
 648                                         found = True;
 649                                 }
 650                         }
 651
 652                         if (!found) {
 653                                 fstring str;
 654
 655                                 SidToString(str, &sd->dacl->ace[i].trustee);
 656                                 printf("ACL for SID %s not found\n", str);
 657                         }
 658                 }
 659
 660                 break;
 661
 662         case SMB_ACL_ADD:
 663                 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
 664                         add_ace(&old->dacl, &sd->dacl->ace[i]);
 665                 }
 666                 break;
 667
 668         case SMB_ACL_SET:
 669                 old = sd;
 670                 break;
 671         }
 672
 673         /* Denied ACE entries must come before allowed ones */
 674         sort_acl(old->dacl);
 675
 676         /* Create new security descriptor and set it */
 677         sd = make_sec_desc(ctx,old->revision, old->owner_sid, old->grp_sid,
 678                            NULL, old->dacl, &sd_size);
 679
 680         fnum = cli_nt_create(cli, filename, CREATE_ACCESS_WRITE);
 681
 682         if (fnum == -1) {
 683                 printf("cacl_set failed to open %s: %s\n", filename, cli_errstr(cli));
 684                 return EXIT_FAILED;
 685         }
 686
 687         if (!cli_set_secdesc(cli, fnum, sd)) {
 688                 printf("ERROR: secdesc set failed: %s\n", cli_errstr(cli));
 689                 result = EXIT_FAILED;
 690         }
 691
 692         /* Clean up */
 693
 694         cli_close(cli, fnum);
 695
 696         return result;
 697 }
 698
 699
 700 /*****************************************************
 701 return a connection to a server
 702 *******************************************************/
 703 struct cli_state *connect_one(char *share)
 704 {
 705         struct cli_state *c;
 706         struct nmb_name called, calling;
 707         struct in_addr ip;
 708         extern pstring global_myname;
 709
 710         fstrcpy(server,share+2);
 711         share = strchr_m(server,'\\');
 712         if (!share) return NULL;
 713         *share = 0;
 714         share++;
 715
 716         zero_ip(&ip);
 717
 718         make_nmb_name(&calling, global_myname, 0x0);
 719         make_nmb_name(&called , server, 0x20);
 720
 721  again:
 722         zero_ip(&ip);
 723
 724         /* have to open a new connection */
 725         if (!(c=cli_initialise(NULL)) || !cli_connect(c, server, &ip)) {
 726                 DEBUG(0,("Connection to %s failed\n", server));
 727                 cli_shutdown(c);
 728                 return NULL;
 729         }
 730
 731         if (!cli_session_request(c, &calling, &called)) {
 732                 DEBUG(0,("session request to %s failed\n", called.name));
 733                 cli_shutdown(c);
 734                 if (strcmp(called.name, "*SMBSERVER")) {
 735                         make_nmb_name(&called , "*SMBSERVER", 0x20);
 736                         goto again;
 737                 }
 738                 return NULL;
 739         }
 740
 741         DEBUG(4,(" session request ok\n"));
 742
 743         if (!cli_negprot(c)) {
 744                 DEBUG(0,("protocol negotiation failed\n"));
 745                 cli_shutdown(c);
 746                 return NULL;
 747         }
 748
 749         if (!got_pass) {
 750                 char *pass = getpass("Password: ");
 751                 if (pass) {
 752                         pstrcpy(password, pass);
 753                 }
 754         }
 755
 756         if (!cli_session_setup(c, username,
 757                                password, strlen(password),
 758                                password, strlen(password),
 759                                lp_workgroup())) {
 760                 DEBUG(0,("session setup failed: %s\n", cli_errstr(c)));
 761                 cli_shutdown(c);
 762                 return NULL;
 763         }
 764
 765         DEBUG(4,(" session setup ok\n"));
 766
 767         if (!cli_send_tconX(c, share, "?????",
 768                             password, strlen(password)+1)) {
 769                 DEBUG(0,("tree connect failed: %s\n", cli_errstr(c)));
 770                 cli_shutdown(c);
 771                 return NULL;
 772         }
 773
 774         DEBUG(4,(" tconx ok\n"));
 775
 776         return c;
 777 }
 778
 779
 780 static void usage(void)
 781 {
 782         printf(
 783 "Usage: smbcacls //server1/share1 filename [options]\n\
 784 \n\
 785 \t-D <acls>               delete an acl\n\
 786 \t-M <acls>               modify an acl\n\
 787 \t-A <acls>               add an acl\n\
 788 \t-S <acls>               set acls\n\
 789 \t-C username             change ownership of a file\n\
 790 \t-G username             change group ownership of a file\n\
 791 \t-n                      don't resolve sids or masks to names\n\
 792 \t-h                      print help\n\
 793 \t-d debuglevel           set debug output level\n\
 794 \t-U username             user to autheticate as\n\
 795 \n\
 796 The username can be of the form username%%password or\n\
 797 workgroup\\username%%password.\n\n\
 798 An acl is of the form ACL:<SID>:type/flags/mask\n\
 799 You can string acls together with spaces, commas or newlines\n\
 800 ");
 801 }
 802
 803 /****************************************************************************
 804   main program
 805 ****************************************************************************/
 806  int main(int argc,char *argv[])
 807 {
 808         char *share;
 809         pstring filename;
 810         extern char *optarg;
 811         extern int optind;
 812         int opt;
 813         char *p;
 814         struct cli_state *cli=NULL;
 815         enum acl_mode mode = SMB_ACL_SET;
 816         char *the_acl = NULL;
 817         enum chown_mode change_mode = REQUEST_NONE;
 818         int result;
 819
 820         ctx=talloc_init();
 821
 822         setlinebuf(stdout);
 823
 824         dbf = x_stderr;
 825
 826         if (argc < 3 || argv[1][0] == '-') {
 827                 usage();
 828                 talloc_destroy(ctx);
 829                 exit(EXIT_PARSE_ERROR);
 830         }
 831
 832         setup_logging(argv[0],True);
 833
 834         share = argv[1];
 835         pstrcpy(filename, argv[2]);
 836         all_string_sub(share,"/","\\",0);
 837
 838         argc -= 2;
 839         argv += 2;
 840
 841         lp_load(dyn_CONFIGFILE,True,False,False);
 842         load_interfaces();
 843
 844         if (getenv("USER")) {
 845                 pstrcpy(username,getenv("USER"));
 846
 847                 if ((p=strchr_m(username,'%'))) {
 848                         *p = 0;
 849                         pstrcpy(password,p+1);
 850                         got_pass = True;
 851                         memset(strchr_m(getenv("USER"), '%') + 1, 'X',
 852                                strlen(password));
 853                 }
 854         }
 855
 856         while ((opt = getopt(argc, argv, "U:nhS:D:A:M:C:G:td:")) != EOF) {
 857                 switch (opt) {
 858                 case 'U':
 859                         pstrcpy(username,optarg);
 860                         p = strchr_m(username,'%');
 861                         if (p) {
 862                                 *p = 0;
 863                                 pstrcpy(password, p+1);
 864                                 got_pass = 1;
 865                         }
 866                         break;
 867
 868                 case 'S':
 869                         the_acl = optarg;
 870                         mode = SMB_ACL_SET;
 871                         break;
 872
 873                 case 'D':
 874                         the_acl = optarg;
 875                         mode = SMB_ACL_DELETE;
 876                         break;
 877
 878                 case 'M':
 879                         the_acl = optarg;
 880                         mode = SMB_ACL_MODIFY;
 881                         break;
 882
 883                 case 'A':
 884                         the_acl = optarg;
 885                         mode = SMB_ACL_ADD;
 886                         break;
 887
 888                 case 'C':
 889                         pstrcpy(owner_username,optarg);
 890                         change_mode = REQUEST_CHOWN;
 891                         break;
 892
 893                 case 'G':
 894                         pstrcpy(owner_username,optarg);
 895                         change_mode = REQUEST_CHGRP;
 896                         break;
 897
 898                 case 'n':
 899                         numeric = 1;
 900                         break;
 901
 902                 case 't':
 903                         test_args = 1;
 904                         break;
 905
 906                 case 'h':
 907                         usage();
 908                         talloc_destroy(ctx);
 909                         exit(EXIT_PARSE_ERROR);
 910
 911                 case 'd':
 912                         DEBUGLEVEL = atoi(optarg);
 913                         break;
 914
 915                 default:
 916                         printf("Unknown option %c (%d)\n", (char)opt, opt);
 917                         talloc_destroy(ctx);
 918                         exit(EXIT_PARSE_ERROR);
 919                 }
 920         }
 921
 922         argc -= optind;
 923         argv += optind;
 924
 925         if (argc > 0) {
 926                 usage();
 927                 talloc_destroy(ctx);
 928                 exit(EXIT_PARSE_ERROR);
 929         }
 930
 931         /* Make connection to server */
 932
 933         if (!test_args) {
 934                 cli = connect_one(share);
 935                 if (!cli) {
 936                         talloc_destroy(ctx);
 937                         exit(EXIT_FAILED);
 938                 }
 939         }
 940
 941         all_string_sub(filename, "/", "\\", 0);
 942         if (filename[0] != '\\') {
 943                 pstring s;
 944                 s[0] = '\\';
 945                 safe_strcpy(&s[1], filename, sizeof(pstring)-1);
 946                 pstrcpy(filename, s);
 947         }
 948
 949         /* Perform requested action */
 950
 951         if (change_mode != REQUEST_NONE) {
 952                 result = owner_set(cli, change_mode, filename, owner_username);
 953         } else if (the_acl) {
 954                 result = cacl_set(cli, filename, the_acl, mode);
 955         } else {
 956                 result = cacl_dump(cli, filename);
 957         }
 958
 959         talloc_destroy(ctx);
 960
 961         return result;
 962 }