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 TALLOC_CTX *ctx;
  34
  35 #define CREATE_ACCESS_READ READ_CONTROL_ACCESS
  36 #define CREATE_ACCESS_WRITE (WRITE_DAC_ACCESS | WRITE_OWNER_ACCESS)
  37
  38 /* numeric is set when the user wants numeric SIDs and ACEs rather
  39    than going via LSA calls to resolve them */
  40 static int numeric;
  41
  42 enum acl_mode {SMB_ACL_SET, SMB_ACL_DELETE, SMB_ACL_MODIFY, SMB_ACL_ADD };
  43 enum chown_mode {REQUEST_NONE, REQUEST_CHOWN, REQUEST_CHGRP};
  44 enum exit_values {EXIT_OK, EXIT_FAILED, EXIT_PARSE_ERROR};
  45
  46 struct perm_value {
  47         char *perm;
  48         uint32 mask;
  49 };
  50
  51 /* These values discovered by inspection */
  52
  53 static struct perm_value special_values[] = {
  54         { "R", 0x00120089 },
  55         { "W", 0x00120116 },
  56         { "X", 0x001200a0 },
  57         { "D", 0x00010000 },
  58         { "P", 0x00040000 },
  59         { "O", 0x00080000 },
  60         { NULL, 0 },
  61 };
  62
  63 static struct perm_value standard_values[] = {
  64         { "READ",   0x001200a9 },
  65         { "CHANGE", 0x001301bf },
  66         { "FULL",   0x001f01ff },
  67         { NULL, 0 },
  68 };
  69
  70 struct cli_state lsa_cli;
  71 POLICY_HND pol;
  72 struct ntuser_creds creds;
  73 BOOL got_policy_hnd;
  74
  75 /* Open cli connection and policy handle */
  76
  77 static BOOL cacls_open_policy_hnd(void)
  78 {
  79         creds.pwd.null_pwd = 1;
  80
  81         /* Initialise cli LSA connection */
  82
  83         if (!lsa_cli.initialised &&
  84             !cli_lsa_initialise(&lsa_cli, server, &creds)) {
  85                 return False;
  86         }
  87
  88         /* Open policy handle */
  89
  90         if (!got_policy_hnd) {
  91
  92                 /* Some systems don't support SEC_RIGHTS_MAXIMUM_ALLOWED,
  93                    but NT sends 0x2000000 so we might as well do it too. */
  94
  95                 if (!NT_STATUS_IS_OK(cli_lsa_open_policy(&lsa_cli, lsa_cli.mem_ctx, True,
  96                                                          GENERIC_EXECUTE_ACCESS, &pol))) {
  97                         return False;
  98                 }
  99
 100                 got_policy_hnd = True;
 101         }
 102
 103         return True;
 104 }
 105
 106 /* convert a SID to a string, either numeric or username/group */
 107 static void SidToString(fstring str, DOM_SID *sid)
 108 {
 109         char **names = NULL;
 110         uint32 *types = NULL;
 111         int num_names;
 112
 113         sid_to_string(str, sid);
 114
 115         if (numeric) return;
 116
 117         /* Ask LSA to convert the sid to a name */
 118
 119         if (!cacls_open_policy_hnd() ||
 120             !NT_STATUS_IS_OK(cli_lsa_lookup_sids(&lsa_cli, lsa_cli.mem_ctx,  &pol, 1, sid, &names,
 121                                                  &types, &num_names)) ||
 122             !names || !names[0]) {
 123                 return;
 124         }
 125
 126         /* Converted OK */
 127
 128         fstrcpy(str, names[0]);
 129 }
 130
 131 /* convert a string to a SID, either numeric or username/group */
 132 static BOOL StringToSid(DOM_SID *sid, const 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 (!cacls_open_policy_hnd() ||
 144             !NT_STATUS_IS_OK(cli_lsa_lookup_names(&lsa_cli, lsa_cli.mem_ctx, &pol, 1, &str,
 145                                                  &sids, &types, &num_sids))) {
 146                 result = False;
 147                 goto done;
 148         }
 149
 150         sid_copy(sid, &sids[0]);
 151
 152  done:
 153
 154         return result;
 155 }
 156
 157
 158 /* print an ACE on a FILE, using either numeric or ascii representation */
 159 static void print_ace(FILE *f, SEC_ACE *ace)
 160 {
 161         struct perm_value *v;
 162         fstring sidstr;
 163         int do_print = 0;
 164         uint32 got_mask;
 165
 166         SidToString(sidstr, &ace->trustee);
 167
 168         fprintf(f, "%s:", sidstr);
 169
 170         if (numeric) {
 171                 fprintf(f, "%d/%d/0x%08x",
 172                         ace->type, ace->flags, ace->info.mask);
 173                 return;
 174         }
 175
 176         /* Ace type */
 177
 178         if (ace->type == SEC_ACE_TYPE_ACCESS_ALLOWED) {
 179                 fprintf(f, "ALLOWED");
 180         } else if (ace->type == SEC_ACE_TYPE_ACCESS_DENIED) {
 181                 fprintf(f, "DENIED");
 182         } else {
 183                 fprintf(f, "%d", ace->type);
 184         }
 185
 186         /* Not sure what flags can be set in a file ACL */
 187
 188         fprintf(f, "/%d/", ace->flags);
 189
 190         /* Standard permissions */
 191
 192         for (v = standard_values; v->perm; v++) {
 193                 if (ace->info.mask == v->mask) {
 194                         fprintf(f, "%s", v->perm);
 195                         return;
 196                 }
 197         }
 198
 199         /* Special permissions.  Print out a hex value if we have
 200            leftover bits in the mask. */
 201
 202         got_mask = ace->info.mask;
 203
 204  again:
 205         for (v = special_values; v->perm; v++) {
 206                 if ((ace->info.mask & v->mask) == v->mask) {
 207                         if (do_print) {
 208                                 fprintf(f, "%s", v->perm);
 209                         }
 210                         got_mask &= ~v->mask;
 211                 }
 212         }
 213
 214         if (!do_print) {
 215                 if (got_mask != 0) {
 216                         fprintf(f, "0x%08x", ace->info.mask);
 217                 } else {
 218                         do_print = 1;
 219                         goto again;
 220                 }
 221         }
 222 }
 223
 224
 225 /* parse an ACE in the same format as print_ace() */
 226 static BOOL parse_ace(SEC_ACE *ace, char *str)
 227 {
 228         char *p;
 229         fstring tok;
 230         unsigned atype, aflags, amask;
 231         DOM_SID sid;
 232         SEC_ACCESS mask;
 233         struct perm_value *v;
 234
 235         ZERO_STRUCTP(ace);
 236         p = strchr_m(str,':');
 237         if (!p) return False;
 238         *p = '\0';
 239         p++;
 240
 241         /* Try to parse numeric form */
 242
 243         if (sscanf(p, "%i/%i/%i", &atype, &aflags, &amask) == 3 &&
 244             StringToSid(&sid, str)) {
 245                 goto done;
 246         }
 247
 248         /* Try to parse text form */
 249
 250         if (!StringToSid(&sid, str)) {
 251                 return False;
 252         }
 253
 254         if (!next_token(&p, tok, "/", sizeof(fstring))) {
 255                 return False;
 256         }
 257
 258         if (strncmp(tok, "ALLOWED", strlen("ALLOWED")) == 0) {
 259                 atype = SEC_ACE_TYPE_ACCESS_ALLOWED;
 260         } else if (strncmp(tok, "DENIED", strlen("DENIED")) == 0) {
 261                 atype = SEC_ACE_TYPE_ACCESS_DENIED;
 262         } else {
 263                 return False;
 264         }
 265
 266         /* Only numeric form accepted for flags at present */
 267
 268         if (!(next_token(&p, tok, "/", sizeof(fstring)) &&
 269               sscanf(tok, "%i", &aflags))) {
 270                 return False;
 271         }
 272
 273         if (!next_token(&p, tok, "/", sizeof(fstring))) {
 274                 return False;
 275         }
 276
 277         if (strncmp(tok, "0x", 2) == 0) {
 278                 if (sscanf(tok, "%i", &amask) != 1) {
 279                         return False;
 280                 }
 281                 goto done;
 282         }
 283
 284         for (v = standard_values; v->perm; v++) {
 285                 if (strcmp(tok, v->perm) == 0) {
 286                         amask = v->mask;
 287                         goto done;
 288                 }
 289         }
 290
 291         p = tok;
 292
 293         while(*p) {
 294                 BOOL found = False;
 295
 296                 for (v = special_values; v->perm; v++) {
 297                         if (v->perm[0] == *p) {
 298                                 amask |= v->mask;
 299                                 found = True;
 300                         }
 301                 }
 302
 303                 if (!found) return False;
 304                 p++;
 305         }
 306
 307         if (*p) {
 308                 return False;
 309         }
 310
 311  done:
 312         mask.mask = amask;
 313         init_sec_ace(ace, &sid, atype, mask, aflags);
 314         return True;
 315 }
 316
 317 /* add an ACE to a list of ACEs in a SEC_ACL */
 318 static BOOL add_ace(SEC_ACL **the_acl, SEC_ACE *ace)
 319 {
 320         SEC_ACL *new;
 321         SEC_ACE *aces;
 322         if (! *the_acl) {
 323                 (*the_acl) = make_sec_acl(ctx, 3, 1, ace);
 324                 return True;
 325         }
 326
 327         aces = calloc(1+(*the_acl)->num_aces,sizeof(SEC_ACE));
 328         memcpy(aces, (*the_acl)->ace, (*the_acl)->num_aces * sizeof(SEC_ACE));
 329         memcpy(aces+(*the_acl)->num_aces, ace, sizeof(SEC_ACE));
 330         new = make_sec_acl(ctx,(*the_acl)->revision,1+(*the_acl)->num_aces, aces);
 331         SAFE_FREE(aces);
 332         (*the_acl) = new;
 333         return True;
 334 }
 335
 336 /* parse a ascii version of a security descriptor */
 337 static SEC_DESC *sec_desc_parse(char *str)
 338 {
 339         char *p = str;
 340         fstring tok;
 341         SEC_DESC *ret;
 342         size_t sd_size;
 343         DOM_SID *grp_sid=NULL, *owner_sid=NULL;
 344         SEC_ACL *dacl=NULL;
 345         int revision=1;
 346
 347         while (next_token(&p, tok, "\t,\r\n", sizeof(tok))) {
 348
 349                 if (strncmp(tok,"REVISION:", 9) == 0) {
 350                         revision = strtol(tok+9, NULL, 16);
 351                         continue;
 352                 }
 353
 354                 if (strncmp(tok,"OWNER:", 6) == 0) {
 355                         owner_sid = (DOM_SID *)calloc(1, sizeof(DOM_SID));
 356                         if (!owner_sid ||
 357                             !StringToSid(owner_sid, tok+6)) {
 358                                 printf("Failed to parse owner sid\n");
 359                                 return NULL;
 360                         }
 361                         continue;
 362                 }
 363
 364                 if (strncmp(tok,"GROUP:", 6) == 0) {
 365                         grp_sid = (DOM_SID *)calloc(1, sizeof(DOM_SID));
 366                         if (!grp_sid ||
 367                             !StringToSid(grp_sid, tok+6)) {
 368                                 printf("Failed to parse group sid\n");
 369                                 return NULL;
 370                         }
 371                         continue;
 372                 }
 373
 374                 if (strncmp(tok,"ACL:", 4) == 0) {
 375                         SEC_ACE ace;
 376                         if (!parse_ace(&ace, tok+4)) {
 377                                 printf("Failed to parse ACL %s\n", tok);
 378                                 return NULL;
 379                         }
 380                         if(!add_ace(&dacl, &ace)) {
 381                                 printf("Failed to add ACL %s\n", tok);
 382                                 return NULL;
 383                         }
 384                         continue;
 385                 }
 386
 387                 printf("Failed to parse security descriptor\n");
 388                 return NULL;
 389         }
 390
 391         ret = make_sec_desc(ctx,revision, owner_sid, grp_sid,
 392                             NULL, dacl, &sd_size);
 393
 394         SAFE_FREE(grp_sid);
 395         SAFE_FREE(owner_sid);
 396
 397         return ret;
 398 }
 399
 400
 401 /* print a ascii version of a security descriptor on a FILE handle */
 402 static void sec_desc_print(FILE *f, SEC_DESC *sd)
 403 {
 404         fstring sidstr;
 405         int i;
 406
 407         printf("REVISION:%d\n", sd->revision);
 408
 409         /* Print owner and group sid */
 410
 411         if (sd->owner_sid) {
 412                 SidToString(sidstr, sd->owner_sid);
 413         } else {
 414                 fstrcpy(sidstr, "");
 415         }
 416
 417         printf("OWNER:%s\n", sidstr);
 418
 419         if (sd->grp_sid) {
 420                 SidToString(sidstr, sd->grp_sid);
 421         } else {
 422                 fstrcpy(sidstr, "");
 423         }
 424
 425         fprintf(f, "GROUP:%s\n", sidstr);
 426
 427         /* Print aces */
 428         for (i = 0; sd->dacl && i < sd->dacl->num_aces; i++) {
 429                 SEC_ACE *ace = &sd->dacl->ace[i];
 430                 fprintf(f, "ACL:");
 431                 print_ace(f, ace);
 432                 fprintf(f, "\n");
 433         }
 434
 435 }
 436
 437 /*****************************************************
 438 dump the acls for a file
 439 *******************************************************/
 440 static int cacl_dump(struct cli_state *cli, char *filename)
 441 {
 442         int fnum;
 443         SEC_DESC *sd;
 444
 445         if (test_args) return EXIT_OK;
 446
 447         fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
 448         if (fnum == -1) {
 449                 printf("Failed to open %s: %s\n", filename, cli_errstr(cli));
 450                 return EXIT_FAILED;
 451         }
 452
 453         sd = cli_query_secdesc(cli, fnum, ctx);
 454
 455         if (!sd) {
 456                 printf("ERROR: secdesc query failed: %s\n", cli_errstr(cli));
 457                 return EXIT_FAILED;
 458         }
 459
 460         sec_desc_print(stdout, sd);
 461
 462         cli_close(cli, fnum);
 463
 464         return EXIT_OK;
 465 }
 466
 467 /*****************************************************
 468 Change the ownership or group ownership of a file. Just
 469 because the NT docs say this can't be done :-). JRA.
 470 *******************************************************/
 471
 472 static int owner_set(struct cli_state *cli, enum chown_mode change_mode,
 473                      char *filename, char *new_username)
 474 {
 475         int fnum;
 476         DOM_SID sid;
 477         SEC_DESC *sd, *old;
 478         size_t sd_size;
 479
 480         fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
 481
 482         if (fnum == -1) {
 483                 printf("Failed to open %s: %s\n", filename, cli_errstr(cli));
 484                 return EXIT_FAILED;
 485         }
 486
 487         if (!StringToSid(&sid, new_username))
 488                 return EXIT_PARSE_ERROR;
 489
 490         old = cli_query_secdesc(cli, fnum, ctx);
 491
 492         cli_close(cli, fnum);
 493
 494         if (!old) {
 495                 printf("owner_set: Failed to query old descriptor\n");
 496                 return EXIT_FAILED;
 497         }
 498
 499         sd = make_sec_desc(ctx,old->revision,
 500                                 (change_mode == REQUEST_CHOWN) ? &sid : old->owner_sid,
 501                                 (change_mode == REQUEST_CHGRP) ? &sid : old->grp_sid,
 502                            NULL, old->dacl, &sd_size);
 503
 504         fnum = cli_nt_create(cli, filename, CREATE_ACCESS_WRITE);
 505
 506         if (fnum == -1) {
 507                 printf("Failed to open %s: %s\n", filename, cli_errstr(cli));
 508                 return EXIT_FAILED;
 509         }
 510
 511         if (!cli_set_secdesc(cli, fnum, sd)) {
 512                 printf("ERROR: secdesc set failed: %s\n", cli_errstr(cli));
 513         }
 514
 515         cli_close(cli, fnum);
 516
 517         return EXIT_OK;
 518 }
 519
 520
 521 /* The MSDN is contradictory over the ordering of ACE entries in an ACL.
 522    However NT4 gives a "The information may have been modified by a
 523    computer running Windows NT 5.0" if denied ACEs do not appear before
 524    allowed ACEs. */
 525
 526 static int ace_compare(SEC_ACE *ace1, SEC_ACE *ace2)
 527 {
 528         if (sec_ace_equal(ace1, ace2))
 529                 return 0;
 530
 531         if (ace1->type != ace2->type)
 532                 return ace2->type - ace1->type;
 533
 534         if (sid_compare(&ace1->trustee, &ace2->trustee))
 535                 return sid_compare(&ace1->trustee, &ace2->trustee);
 536
 537         if (ace1->flags != ace2->flags)
 538                 return ace1->flags - ace2->flags;
 539
 540         if (ace1->info.mask != ace2->info.mask)
 541                 return ace1->info.mask - ace2->info.mask;
 542
 543         if (ace1->size != ace2->size)
 544                 return ace1->size - ace2->size;
 545
 546         return memcmp(ace1, ace2, sizeof(SEC_ACE));
 547 }
 548
 549 static void sort_acl(SEC_ACL *the_acl)
 550 {
 551         int i;
 552         if (!the_acl) return;
 553
 554         qsort(the_acl->ace, the_acl->num_aces, sizeof(the_acl->ace[0]), QSORT_CAST ace_compare);
 555
 556         for (i=1;i<the_acl->num_aces;) {
 557                 if (sec_ace_equal(&the_acl->ace[i-1], &the_acl->ace[i])) {
 558                         int j;
 559                         for (j=i; j<the_acl->num_aces-1; j++) {
 560                                 the_acl->ace[j] = the_acl->ace[j+1];
 561                         }
 562                         the_acl->num_aces--;
 563                 } else {
 564                         i++;
 565                 }
 566         }
 567 }
 568
 569 /*****************************************************
 570 set the ACLs on a file given an ascii description
 571 *******************************************************/
 572 static int cacl_set(struct cli_state *cli, char *filename,
 573                     char *the_acl, enum acl_mode mode)
 574 {
 575         int fnum;
 576         SEC_DESC *sd, *old;
 577         int i, j;
 578         size_t sd_size;
 579         int result = EXIT_OK;
 580
 581         sd = sec_desc_parse(the_acl);
 582
 583         if (!sd) return EXIT_PARSE_ERROR;
 584         if (test_args) return EXIT_OK;
 585
 586         /* The desired access below is the only one I could find that works
 587            with NT4, W2KP and Samba */
 588
 589         fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
 590
 591         if (fnum == -1) {
 592                 printf("cacl_set failed to open %s: %s\n", filename, cli_errstr(cli));
 593                 return EXIT_FAILED;
 594         }
 595
 596         old = cli_query_secdesc(cli, fnum, ctx);
 597
 598         if (!old) {
 599                 printf("calc_set: Failed to query old descriptor\n");
 600                 return EXIT_FAILED;
 601         }
 602
 603         cli_close(cli, fnum);
 604
 605         /* the logic here is rather more complex than I would like */
 606         switch (mode) {
 607         case SMB_ACL_DELETE:
 608                 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
 609                         BOOL found = False;
 610
 611                         for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
 612                                 if (sec_ace_equal(&sd->dacl->ace[i],
 613                                                   &old->dacl->ace[j])) {
 614                                         int k;
 615                                         for (k=j; k<old->dacl->num_aces-1;k++) {
 616                                                 old->dacl->ace[k] = old->dacl->ace[k+1];
 617                                         }
 618                                         old->dacl->num_aces--;
 619                                         if (old->dacl->num_aces == 0) {
 620                                                 SAFE_FREE(old->dacl->ace);
 621                                                 SAFE_FREE(old->dacl);
 622                                                 old->off_dacl = 0;
 623                                         }
 624                                         found = True;
 625                                         break;
 626                                 }
 627                         }
 628
 629                         if (!found) {
 630                                 printf("ACL for ACE:");
 631                                 print_ace(stdout, &sd->dacl->ace[i]);
 632                                 printf(" not found\n");
 633                         }
 634                 }
 635                 break;
 636
 637         case SMB_ACL_MODIFY:
 638                 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
 639                         BOOL found = False;
 640
 641                         for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
 642                                 if (sid_equal(&sd->dacl->ace[i].trustee,
 643                                               &old->dacl->ace[j].trustee)) {
 644                                         old->dacl->ace[j] = sd->dacl->ace[i];
 645                                         found = True;
 646                                 }
 647                         }
 648
 649                         if (!found) {
 650                                 fstring str;
 651
 652                                 SidToString(str, &sd->dacl->ace[i].trustee);
 653                                 printf("ACL for SID %s not found\n", str);
 654                         }
 655                 }
 656
 657                 break;
 658
 659         case SMB_ACL_ADD:
 660                 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
 661                         add_ace(&old->dacl, &sd->dacl->ace[i]);
 662                 }
 663                 break;
 664
 665         case SMB_ACL_SET:
 666                 old = sd;
 667                 break;
 668         }
 669
 670         /* Denied ACE entries must come before allowed ones */
 671         sort_acl(old->dacl);
 672
 673         /* Create new security descriptor and set it */
 674         sd = make_sec_desc(ctx,old->revision, old->owner_sid, old->grp_sid,
 675                            NULL, old->dacl, &sd_size);
 676
 677         fnum = cli_nt_create(cli, filename, CREATE_ACCESS_WRITE);
 678
 679         if (fnum == -1) {
 680                 printf("cacl_set failed to open %s: %s\n", filename, cli_errstr(cli));
 681                 return EXIT_FAILED;
 682         }
 683
 684         if (!cli_set_secdesc(cli, fnum, sd)) {
 685                 printf("ERROR: secdesc set failed: %s\n", cli_errstr(cli));
 686                 result = EXIT_FAILED;
 687         }
 688
 689         /* Clean up */
 690
 691         cli_close(cli, fnum);
 692
 693         return result;
 694 }
 695
 696
 697 /*****************************************************
 698 return a connection to a server
 699 *******************************************************/
 700 struct cli_state *connect_one(char *share)
 701 {
 702         struct cli_state *c;
 703         struct nmb_name called, calling;
 704         struct in_addr ip;
 705         extern pstring global_myname;
 706
 707         fstrcpy(server,share+2);
 708         share = strchr_m(server,'\\');
 709         if (!share) return NULL;
 710         *share = 0;
 711         share++;
 712
 713         zero_ip(&ip);
 714
 715         make_nmb_name(&calling, global_myname, 0x0);
 716         make_nmb_name(&called , server, 0x20);
 717
 718  again:
 719         zero_ip(&ip);
 720
 721         /* have to open a new connection */
 722         if (!(c=cli_initialise(NULL)) || !cli_connect(c, server, &ip)) {
 723                 DEBUG(0,("Connection to %s failed\n", server));
 724                 cli_shutdown(c);
 725                 return NULL;
 726         }
 727
 728         if (!cli_session_request(c, &calling, &called)) {
 729                 DEBUG(0,("session request to %s failed\n", called.name));
 730                 cli_shutdown(c);
 731                 if (strcmp(called.name, "*SMBSERVER")) {
 732                         make_nmb_name(&called , "*SMBSERVER", 0x20);
 733                         goto again;
 734                 }
 735                 return NULL;
 736         }
 737
 738         DEBUG(4,(" session request ok\n"));
 739
 740         if (!cli_negprot(c)) {
 741                 DEBUG(0,("protocol negotiation failed\n"));
 742                 cli_shutdown(c);
 743                 return NULL;
 744         }
 745
 746         if (!got_pass) {
 747                 char *pass = getpass("Password: ");
 748                 if (pass) {
 749                         pstrcpy(password, pass);
 750                 }
 751         }
 752
 753         if (!cli_session_setup(c, username,
 754                                password, strlen(password),
 755                                password, strlen(password),
 756                                lp_workgroup())) {
 757                 DEBUG(0,("session setup failed: %s\n", cli_errstr(c)));
 758                 cli_shutdown(c);
 759                 return NULL;
 760         }
 761
 762         DEBUG(4,(" session setup ok\n"));
 763
 764         if (!cli_send_tconX(c, share, "?????",
 765                             password, strlen(password)+1)) {
 766                 DEBUG(0,("tree connect failed: %s\n", cli_errstr(c)));
 767                 cli_shutdown(c);
 768                 return NULL;
 769         }
 770
 771         DEBUG(4,(" tconx ok\n"));
 772
 773         return c;
 774 }
 775
 776
 777 static void usage(void)
 778 {
 779         printf(
 780 "Usage: smbcacls //server1/share1 filename [options]\n\
 781 \n\
 782 \t-D <acls>               delete an acl\n\
 783 \t-M <acls>               modify an acl\n\
 784 \t-A <acls>               add an acl\n\
 785 \t-S <acls>               set acls\n\
 786 \t-C username             change ownership of a file\n\
 787 \t-G username             change group ownership of a file\n\
 788 \t-n                      don't resolve sids or masks to names\n\
 789 \t-h                      print help\n\
 790 \t-d debuglevel           set debug output level\n\
 791 \t-U username             user to autheticate as\n\
 792 \n\
 793 The username can be of the form username%%password or\n\
 794 workgroup\\username%%password.\n\n\
 795 An acl is of the form ACL:<SID>:type/flags/mask\n\
 796 You can string acls together with spaces, commas or newlines\n\
 797 ");
 798 }
 799
 800 /****************************************************************************
 801   main program
 802 ****************************************************************************/
 803  int main(int argc,char *argv[])
 804 {
 805         char *share;
 806         pstring filename;
 807         extern char *optarg;
 808         extern int optind;
 809         int opt;
 810         char *p;
 811         struct cli_state *cli=NULL;
 812         enum acl_mode mode = SMB_ACL_SET;
 813         char *the_acl = NULL;
 814         enum chown_mode change_mode = REQUEST_NONE;
 815         int result;
 816
 817         ctx=talloc_init();
 818
 819         setlinebuf(stdout);
 820
 821         dbf = x_stderr;
 822
 823         if (argc < 3 || argv[1][0] == '-') {
 824                 usage();
 825                 talloc_destroy(ctx);
 826                 exit(EXIT_PARSE_ERROR);
 827         }
 828
 829         setup_logging(argv[0],True);
 830
 831         share = argv[1];
 832         pstrcpy(filename, argv[2]);
 833         all_string_sub(share,"/","\\",0);
 834
 835         argc -= 2;
 836         argv += 2;
 837
 838         lp_load(dyn_CONFIGFILE,True,False,False);
 839         load_interfaces();
 840
 841         if (getenv("USER")) {
 842                 pstrcpy(username,getenv("USER"));
 843
 844                 if ((p=strchr_m(username,'%'))) {
 845                         *p = 0;
 846                         pstrcpy(password,p+1);
 847                         got_pass = True;
 848                         memset(strchr_m(getenv("USER"), '%') + 1, 'X',
 849                                strlen(password));
 850                 }
 851         }
 852
 853         while ((opt = getopt(argc, argv, "U:nhS:D:A:M:C:G:td:")) != EOF) {
 854                 switch (opt) {
 855                 case 'U':
 856                         pstrcpy(username,optarg);
 857                         p = strchr_m(username,'%');
 858                         if (p) {
 859                                 *p = 0;
 860                                 pstrcpy(password, p+1);
 861                                 got_pass = 1;
 862                         }
 863                         break;
 864
 865                 case 'S':
 866                         the_acl = optarg;
 867                         mode = SMB_ACL_SET;
 868                         break;
 869
 870                 case 'D':
 871                         the_acl = optarg;
 872                         mode = SMB_ACL_DELETE;
 873                         break;
 874
 875                 case 'M':
 876                         the_acl = optarg;
 877                         mode = SMB_ACL_MODIFY;
 878                         break;
 879
 880                 case 'A':
 881                         the_acl = optarg;
 882                         mode = SMB_ACL_ADD;
 883                         break;
 884
 885                 case 'C':
 886                         pstrcpy(owner_username,optarg);
 887                         change_mode = REQUEST_CHOWN;
 888                         break;
 889
 890                 case 'G':
 891                         pstrcpy(owner_username,optarg);
 892                         change_mode = REQUEST_CHGRP;
 893                         break;
 894
 895                 case 'n':
 896                         numeric = 1;
 897                         break;
 898
 899                 case 't':
 900                         test_args = 1;
 901                         break;
 902
 903                 case 'h':
 904                         usage();
 905                         talloc_destroy(ctx);
 906                         exit(EXIT_PARSE_ERROR);
 907
 908                 case 'd':
 909                         DEBUGLEVEL = atoi(optarg);
 910                         break;
 911
 912                 default:
 913                         printf("Unknown option %c (%d)\n", (char)opt, opt);
 914                         talloc_destroy(ctx);
 915                         exit(EXIT_PARSE_ERROR);
 916                 }
 917         }
 918
 919         argc -= optind;
 920         argv += optind;
 921
 922         if (argc > 0) {
 923                 usage();
 924                 talloc_destroy(ctx);
 925                 exit(EXIT_PARSE_ERROR);
 926         }
 927
 928         /* Make connection to server */
 929
 930         if (!test_args) {
 931                 cli = connect_one(share);
 932                 if (!cli) {
 933                         talloc_destroy(ctx);
 934                         exit(EXIT_FAILED);
 935                 }
 936         }
 937
 938         all_string_sub(filename, "/", "\\", 0);
 939         if (filename[0] != '\\') {
 940                 pstring s;
 941                 s[0] = '\\';
 942                 safe_strcpy(&s[1], filename, sizeof(pstring)-1);
 943                 pstrcpy(filename, s);
 944         }
 945
 946         /* Perform requested action */
 947
 948         if (change_mode != REQUEST_NONE) {
 949                 result = owner_set(cli, change_mode, filename, owner_username);
 950         } else if (the_acl) {
 951                 result = cacl_set(cli, filename, the_acl, mode);
 952         } else {
 953                 result = cacl_dump(cli, filename);
 954         }
 955
 956         talloc_destroy(ctx);
 957
 958         return result;
 959 }