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 fstring workgroup = "";
  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 **domains = NULL;
 110         char **names = NULL;
 111         uint32 *types = NULL;
 112
 113         sid_to_string(str, sid);
 114
 115         if (numeric) return;
 116
 117         if (strcmp(str, "S-1-1-0") == 0) {
 118
 119                 fstrcpy(str, "everyone");
 120                 return;
 121
 122         }
 123
 124         /* Ask LSA to convert the sid to a name */
 125
 126         if (!cacls_open_policy_hnd() ||
 127             !NT_STATUS_IS_OK(cli_lsa_lookup_sids(&lsa_cli, lsa_cli.mem_ctx,
 128                                                  &pol, 1, sid, &domains,
 129                                                  &names, &types)) ||
 130             !domains || !domains[0] || !names || !names[0]) {
 131                 return;
 132         }
 133
 134         /* Converted OK */
 135
 136         slprintf(str, sizeof(fstring) - 1, "%s%s%s",
 137                  domains[0], lp_winbind_separator(),
 138                  names[0]);
 139
 140 }
 141
 142 /* convert a string to a SID, either numeric or username/group */
 143 static BOOL StringToSid(DOM_SID *sid, const char *str)
 144 {
 145         uint32 *types = NULL;
 146         DOM_SID *sids = NULL;
 147         BOOL result = True;
 148
 149         if (strncmp(str, "S-", 2) == 0) {
 150                 return string_to_sid(sid, str);
 151         }
 152
 153         if (!cacls_open_policy_hnd() ||
 154             !NT_STATUS_IS_OK(cli_lsa_lookup_names(&lsa_cli, lsa_cli.mem_ctx,
 155                                                   &pol, 1, &str, &sids,
 156                                                   &types))) {
 157                 result = False;
 158                 goto done;
 159         }
 160
 161         sid_copy(sid, &sids[0]);
 162
 163  done:
 164
 165         return result;
 166 }
 167
 168
 169 /* print an ACE on a FILE, using either numeric or ascii representation */
 170 static void print_ace(FILE *f, SEC_ACE *ace)
 171 {
 172         struct perm_value *v;
 173         fstring sidstr;
 174         int do_print = 0;
 175         uint32 got_mask;
 176
 177         SidToString(sidstr, &ace->trustee);
 178
 179         fprintf(f, "%s:", sidstr);
 180
 181         if (numeric) {
 182                 fprintf(f, "%d/%d/0x%08x",
 183                         ace->type, ace->flags, ace->info.mask);
 184                 return;
 185         }
 186
 187         /* Ace type */
 188
 189         if (ace->type == SEC_ACE_TYPE_ACCESS_ALLOWED) {
 190                 fprintf(f, "ALLOWED");
 191         } else if (ace->type == SEC_ACE_TYPE_ACCESS_DENIED) {
 192                 fprintf(f, "DENIED");
 193         } else {
 194                 fprintf(f, "%d", ace->type);
 195         }
 196
 197         /* Not sure what flags can be set in a file ACL */
 198
 199         fprintf(f, "/%d/", ace->flags);
 200
 201         /* Standard permissions */
 202
 203         for (v = standard_values; v->perm; v++) {
 204                 if (ace->info.mask == v->mask) {
 205                         fprintf(f, "%s", v->perm);
 206                         return;
 207                 }
 208         }
 209
 210         /* Special permissions.  Print out a hex value if we have
 211            leftover bits in the mask. */
 212
 213         got_mask = ace->info.mask;
 214
 215  again:
 216         for (v = special_values; v->perm; v++) {
 217                 if ((ace->info.mask & v->mask) == v->mask) {
 218                         if (do_print) {
 219                                 fprintf(f, "%s", v->perm);
 220                         }
 221                         got_mask &= ~v->mask;
 222                 }
 223         }
 224
 225         if (!do_print) {
 226                 if (got_mask != 0) {
 227                         fprintf(f, "0x%08x", ace->info.mask);
 228                 } else {
 229                         do_print = 1;
 230                         goto again;
 231                 }
 232         }
 233 }
 234
 235
 236 /* parse an ACE in the same format as print_ace() */
 237 static BOOL parse_ace(SEC_ACE *ace, char *str)
 238 {
 239         char *p;
 240         fstring tok;
 241         unsigned atype, aflags, amask;
 242         DOM_SID sid;
 243         SEC_ACCESS mask;
 244         struct perm_value *v;
 245
 246         ZERO_STRUCTP(ace);
 247         p = strchr(str,':');
 248         if (!p) return False;
 249         *p = '\0';
 250         p++;
 251
 252         /* Try to parse numeric form */
 253
 254         if (sscanf(p, "%i/%i/%i", &atype, &aflags, &amask) == 3 &&
 255             StringToSid(&sid, str)) {
 256                 goto done;
 257         }
 258
 259         /* Try to parse text form */
 260
 261         if (!StringToSid(&sid, str)) {
 262                 return False;
 263         }
 264
 265         if (!next_token(&p, tok, "/", sizeof(fstring))) {
 266                 return False;
 267         }
 268
 269         if (strncmp(tok, "ALLOWED", strlen("ALLOWED")) == 0) {
 270                 atype = SEC_ACE_TYPE_ACCESS_ALLOWED;
 271         } else if (strncmp(tok, "DENIED", strlen("DENIED")) == 0) {
 272                 atype = SEC_ACE_TYPE_ACCESS_DENIED;
 273         } else {
 274                 return False;
 275         }
 276
 277         /* Only numeric form accepted for flags at present */
 278
 279         if (!(next_token(&p, tok, "/", sizeof(fstring)) &&
 280               sscanf(tok, "%i", &aflags))) {
 281                 return False;
 282         }
 283
 284         if (!next_token(&p, tok, "/", sizeof(fstring))) {
 285                 return False;
 286         }
 287
 288         if (strncmp(tok, "0x", 2) == 0) {
 289                 if (sscanf(tok, "%i", &amask) != 1) {
 290                         return False;
 291                 }
 292                 goto done;
 293         }
 294
 295         for (v = standard_values; v->perm; v++) {
 296                 if (strcmp(tok, v->perm) == 0) {
 297                         amask = v->mask;
 298                         goto done;
 299                 }
 300         }
 301
 302         p = tok;
 303
 304         while(*p) {
 305                 BOOL found = False;
 306
 307                 for (v = special_values; v->perm; v++) {
 308                         if (v->perm[0] == *p) {
 309                                 amask |= v->mask;
 310                                 found = True;
 311                         }
 312                 }
 313
 314                 if (!found) return False;
 315                 p++;
 316         }
 317
 318         if (*p) {
 319                 return False;
 320         }
 321
 322  done:
 323         mask.mask = amask;
 324         init_sec_ace(ace, &sid, atype, mask, aflags);
 325         return True;
 326 }
 327
 328 /* add an ACE to a list of ACEs in a SEC_ACL */
 329 static BOOL add_ace(SEC_ACL **the_acl, SEC_ACE *ace)
 330 {
 331         SEC_ACL *new;
 332         SEC_ACE *aces;
 333         if (! *the_acl) {
 334                 (*the_acl) = make_sec_acl(ctx, 3, 1, ace);
 335                 return True;
 336         }
 337
 338         aces = calloc(1+(*the_acl)->num_aces,sizeof(SEC_ACE));
 339         memcpy(aces, (*the_acl)->ace, (*the_acl)->num_aces * sizeof(SEC_ACE));
 340         memcpy(aces+(*the_acl)->num_aces, ace, sizeof(SEC_ACE));
 341         new = make_sec_acl(ctx,(*the_acl)->revision,1+(*the_acl)->num_aces, aces);
 342         SAFE_FREE(aces);
 343         (*the_acl) = new;
 344         return True;
 345 }
 346
 347 /* parse a ascii version of a security descriptor */
 348 static SEC_DESC *sec_desc_parse(char *str)
 349 {
 350         char *p = str;
 351         fstring tok;
 352         SEC_DESC *ret;
 353         size_t sd_size;
 354         DOM_SID *grp_sid=NULL, *owner_sid=NULL;
 355         SEC_ACL *dacl=NULL;
 356         int revision=1;
 357
 358         while (next_token(&p, tok, "\t,\r\n", sizeof(tok))) {
 359
 360                 if (strncmp(tok,"REVISION:", 9) == 0) {
 361                         revision = strtol(tok+9, NULL, 16);
 362                         continue;
 363                 }
 364
 365                 if (strncmp(tok,"OWNER:", 6) == 0) {
 366                         owner_sid = (DOM_SID *)calloc(1, sizeof(DOM_SID));
 367                         if (!owner_sid ||
 368                             !StringToSid(owner_sid, tok+6)) {
 369                                 printf("Failed to parse owner sid\n");
 370                                 return NULL;
 371                         }
 372                         continue;
 373                 }
 374
 375                 if (strncmp(tok,"GROUP:", 6) == 0) {
 376                         grp_sid = (DOM_SID *)calloc(1, sizeof(DOM_SID));
 377                         if (!grp_sid ||
 378                             !StringToSid(grp_sid, tok+6)) {
 379                                 printf("Failed to parse group sid\n");
 380                                 return NULL;
 381                         }
 382                         continue;
 383                 }
 384
 385                 if (strncmp(tok,"ACL:", 4) == 0) {
 386                         SEC_ACE ace;
 387                         if (!parse_ace(&ace, tok+4)) {
 388                                 printf("Failed to parse ACL %s\n", tok);
 389                                 return NULL;
 390                         }
 391                         if(!add_ace(&dacl, &ace)) {
 392                                 printf("Failed to add ACL %s\n", tok);
 393                                 return NULL;
 394                         }
 395                         continue;
 396                 }
 397
 398                 printf("Failed to parse security descriptor\n");
 399                 return NULL;
 400         }
 401
 402         ret = make_sec_desc(ctx,revision, owner_sid, grp_sid,
 403                             NULL, dacl, &sd_size);
 404
 405         SAFE_FREE(grp_sid);
 406         SAFE_FREE(owner_sid);
 407
 408         return ret;
 409 }
 410
 411
 412 /* print a ascii version of a security descriptor on a FILE handle */
 413 static void sec_desc_print(FILE *f, SEC_DESC *sd)
 414 {
 415         fstring sidstr;
 416         uint32 i;
 417
 418         printf("REVISION:%d\n", sd->revision);
 419
 420         /* Print owner and group sid */
 421
 422         if (sd->owner_sid) {
 423                 SidToString(sidstr, sd->owner_sid);
 424         } else {
 425                 fstrcpy(sidstr, "");
 426         }
 427
 428         printf("OWNER:%s\n", sidstr);
 429
 430         if (sd->grp_sid) {
 431                 SidToString(sidstr, sd->grp_sid);
 432         } else {
 433                 fstrcpy(sidstr, "");
 434         }
 435
 436         fprintf(f, "GROUP:%s\n", sidstr);
 437
 438         /* Print aces */
 439         for (i = 0; sd->dacl && i < sd->dacl->num_aces; i++) {
 440                 SEC_ACE *ace = &sd->dacl->ace[i];
 441                 fprintf(f, "ACL:");
 442                 print_ace(f, ace);
 443                 fprintf(f, "\n");
 444         }
 445
 446 }
 447
 448 /*****************************************************
 449 dump the acls for a file
 450 *******************************************************/
 451 static int cacl_dump(struct cli_state *cli, char *filename)
 452 {
 453         int fnum;
 454         SEC_DESC *sd;
 455
 456         if (test_args) return EXIT_OK;
 457
 458         fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
 459         if (fnum == -1) {
 460                 printf("Failed to open %s: %s\n", filename, cli_errstr(cli));
 461                 return EXIT_FAILED;
 462         }
 463
 464         sd = cli_query_secdesc(cli, fnum, ctx);
 465
 466         if (!sd) {
 467                 printf("ERROR: secdesc query failed: %s\n", cli_errstr(cli));
 468                 return EXIT_FAILED;
 469         }
 470
 471         sec_desc_print(stdout, sd);
 472
 473         cli_close(cli, fnum);
 474
 475         return EXIT_OK;
 476 }
 477
 478 /*****************************************************
 479 Change the ownership or group ownership of a file. Just
 480 because the NT docs say this can't be done :-). JRA.
 481 *******************************************************/
 482
 483 static int owner_set(struct cli_state *cli, enum chown_mode change_mode,
 484                      char *filename, char *new_username)
 485 {
 486         int fnum;
 487         DOM_SID sid;
 488         SEC_DESC *sd, *old;
 489         size_t sd_size;
 490
 491         fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
 492
 493         if (fnum == -1) {
 494                 printf("Failed to open %s: %s\n", filename, cli_errstr(cli));
 495                 return EXIT_FAILED;
 496         }
 497
 498         if (!StringToSid(&sid, new_username))
 499                 return EXIT_PARSE_ERROR;
 500
 501         old = cli_query_secdesc(cli, fnum, ctx);
 502
 503         cli_close(cli, fnum);
 504
 505         if (!old) {
 506                 printf("owner_set: Failed to query old descriptor\n");
 507                 return EXIT_FAILED;
 508         }
 509
 510         sd = make_sec_desc(ctx,old->revision,
 511                                 (change_mode == REQUEST_CHOWN) ? &sid : old->owner_sid,
 512                                 (change_mode == REQUEST_CHGRP) ? &sid : old->grp_sid,
 513                            NULL, old->dacl, &sd_size);
 514
 515         fnum = cli_nt_create(cli, filename, CREATE_ACCESS_WRITE);
 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 (!cli_set_secdesc(cli, fnum, sd)) {
 523                 printf("ERROR: secdesc set failed: %s\n", cli_errstr(cli));
 524         }
 525
 526         cli_close(cli, fnum);
 527
 528         return EXIT_OK;
 529 }
 530
 531
 532 /* The MSDN is contradictory over the ordering of ACE entries in an ACL.
 533    However NT4 gives a "The information may have been modified by a
 534    computer running Windows NT 5.0" if denied ACEs do not appear before
 535    allowed ACEs. */
 536
 537 static int ace_compare(SEC_ACE *ace1, SEC_ACE *ace2)
 538 {
 539         if (sec_ace_equal(ace1, ace2))
 540                 return 0;
 541
 542         if (ace1->type != ace2->type)
 543                 return ace2->type - ace1->type;
 544
 545         if (sid_compare(&ace1->trustee, &ace2->trustee))
 546                 return sid_compare(&ace1->trustee, &ace2->trustee);
 547
 548         if (ace1->flags != ace2->flags)
 549                 return ace1->flags - ace2->flags;
 550
 551         if (ace1->info.mask != ace2->info.mask)
 552                 return ace1->info.mask - ace2->info.mask;
 553
 554         if (ace1->size != ace2->size)
 555                 return ace1->size - ace2->size;
 556
 557         return memcmp(ace1, ace2, sizeof(SEC_ACE));
 558 }
 559
 560 static void sort_acl(SEC_ACL *the_acl)
 561 {
 562         uint32 i;
 563         if (!the_acl) return;
 564
 565         qsort(the_acl->ace, the_acl->num_aces, sizeof(the_acl->ace[0]), QSORT_CAST ace_compare);
 566
 567         for (i=1;i<the_acl->num_aces;) {
 568                 if (sec_ace_equal(&the_acl->ace[i-1], &the_acl->ace[i])) {
 569                         int j;
 570                         for (j=i; j<the_acl->num_aces-1; j++) {
 571                                 the_acl->ace[j] = the_acl->ace[j+1];
 572                         }
 573                         the_acl->num_aces--;
 574                 } else {
 575                         i++;
 576                 }
 577         }
 578 }
 579
 580 /*****************************************************
 581 set the ACLs on a file given an ascii description
 582 *******************************************************/
 583 static int cacl_set(struct cli_state *cli, char *filename,
 584                     char *the_acl, enum acl_mode mode)
 585 {
 586         int fnum;
 587         SEC_DESC *sd, *old;
 588         uint32 i, j;
 589         size_t sd_size;
 590         int result = EXIT_OK;
 591
 592         sd = sec_desc_parse(the_acl);
 593
 594         if (!sd) return EXIT_PARSE_ERROR;
 595         if (test_args) return EXIT_OK;
 596
 597         /* The desired access below is the only one I could find that works
 598            with NT4, W2KP and Samba */
 599
 600         fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
 601
 602         if (fnum == -1) {
 603                 printf("cacl_set failed to open %s: %s\n", filename, cli_errstr(cli));
 604                 return EXIT_FAILED;
 605         }
 606
 607         old = cli_query_secdesc(cli, fnum, ctx);
 608
 609         if (!old) {
 610                 printf("calc_set: Failed to query old descriptor\n");
 611                 return EXIT_FAILED;
 612         }
 613
 614         cli_close(cli, fnum);
 615
 616         /* the logic here is rather more complex than I would like */
 617         switch (mode) {
 618         case SMB_ACL_DELETE:
 619                 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
 620                         BOOL found = False;
 621
 622                         for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
 623                                 if (sec_ace_equal(&sd->dacl->ace[i],
 624                                                   &old->dacl->ace[j])) {
 625                                         uint32 k;
 626                                         for (k=j; k<old->dacl->num_aces-1;k++) {
 627                                                 old->dacl->ace[k] = old->dacl->ace[k+1];
 628                                         }
 629                                         old->dacl->num_aces--;
 630                                         if (old->dacl->num_aces == 0) {
 631                                                 SAFE_FREE(old->dacl->ace);
 632                                                 SAFE_FREE(old->dacl);
 633                                                 old->off_dacl = 0;
 634                                         }
 635                                         found = True;
 636                                         break;
 637                                 }
 638                         }
 639
 640                         if (!found) {
 641                                 printf("ACL for ACE:");
 642                                 print_ace(stdout, &sd->dacl->ace[i]);
 643                                 printf(" not found\n");
 644                         }
 645                 }
 646                 break;
 647
 648         case SMB_ACL_MODIFY:
 649                 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
 650                         BOOL found = False;
 651
 652                         for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
 653                                 if (sid_equal(&sd->dacl->ace[i].trustee,
 654                                               &old->dacl->ace[j].trustee)) {
 655                                         old->dacl->ace[j] = sd->dacl->ace[i];
 656                                         found = True;
 657                                 }
 658                         }
 659
 660                         if (!found) {
 661                                 fstring str;
 662
 663                                 SidToString(str, &sd->dacl->ace[i].trustee);
 664                                 printf("ACL for SID %s not found\n", str);
 665                         }
 666                 }
 667
 668                 break;
 669
 670         case SMB_ACL_ADD:
 671                 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
 672                         add_ace(&old->dacl, &sd->dacl->ace[i]);
 673                 }
 674                 break;
 675
 676         case SMB_ACL_SET:
 677                 old = sd;
 678                 break;
 679         }
 680
 681         /* Denied ACE entries must come before allowed ones */
 682         sort_acl(old->dacl);
 683
 684         /* Create new security descriptor and set it */
 685         sd = make_sec_desc(ctx,old->revision, old->owner_sid, old->grp_sid,
 686                            NULL, old->dacl, &sd_size);
 687
 688         fnum = cli_nt_create(cli, filename, CREATE_ACCESS_WRITE);
 689
 690         if (fnum == -1) {
 691                 printf("cacl_set failed to open %s: %s\n", filename, cli_errstr(cli));
 692                 return EXIT_FAILED;
 693         }
 694
 695         if (!cli_set_secdesc(cli, fnum, sd)) {
 696                 printf("ERROR: secdesc set failed: %s\n", cli_errstr(cli));
 697                 result = EXIT_FAILED;
 698         }
 699
 700         /* Clean up */
 701
 702         cli_close(cli, fnum);
 703
 704         return result;
 705 }
 706
 707
 708 /*****************************************************
 709 return a connection to a server
 710 *******************************************************/
 711 struct cli_state *connect_one(char *share)
 712 {
 713         struct cli_state *c;
 714         struct nmb_name called, calling;
 715         struct in_addr ip;
 716         extern pstring global_myname;
 717
 718         fstrcpy(server,share+2);
 719         share = strchr(server,'\\');
 720         if (!share) return NULL;
 721         *share = 0;
 722         share++;
 723
 724         zero_ip(&ip);
 725
 726         make_nmb_name(&calling, global_myname, 0x0);
 727         make_nmb_name(&called , server, 0x20);
 728
 729  again:
 730         zero_ip(&ip);
 731
 732         /* have to open a new connection */
 733         if (!(c=cli_initialise(NULL)) || !cli_connect(c, server, &ip)) {
 734                 DEBUG(0,("Connection to %s failed\n", server));
 735                 cli_shutdown(c);
 736                 return NULL;
 737         }
 738
 739         if (!cli_session_request(c, &calling, &called)) {
 740                 DEBUG(0,("session request to %s failed\n", called.name));
 741                 cli_shutdown(c);
 742                 if (strcmp(called.name, "*SMBSERVER")) {
 743                         make_nmb_name(&called , "*SMBSERVER", 0x20);
 744                         goto again;
 745                 }
 746                 return NULL;
 747         }
 748
 749         DEBUG(4,(" session request ok\n"));
 750
 751         if (!cli_negprot(c)) {
 752                 DEBUG(0,("protocol negotiation failed\n"));
 753                 cli_shutdown(c);
 754                 return NULL;
 755         }
 756
 757         if (!got_pass) {
 758                 char *pass = getpass("Password: ");
 759                 if (pass) {
 760                         pstrcpy(password, pass);
 761                 }
 762         }
 763
 764         if (!cli_session_setup(c, username,
 765                                password, strlen(password),
 766                                password, strlen(password),
 767                                (workgroup[0] ? workgroup : lp_workgroup()))) {
 768                 DEBUG(0,("session setup failed: %s\n", cli_errstr(c)));
 769                 cli_shutdown(c);
 770                 return NULL;
 771         }
 772
 773         DEBUG(4,(" session setup ok\n"));
 774
 775         if (!cli_send_tconX(c, share, "?????",
 776                             password, strlen(password)+1)) {
 777                 DEBUG(0,("tree connect failed: %s\n", cli_errstr(c)));
 778                 cli_shutdown(c);
 779                 return NULL;
 780         }
 781
 782         DEBUG(4,(" tconx ok\n"));
 783
 784         return c;
 785 }
 786
 787
 788 static void usage(void)
 789 {
 790         printf("Usage: smbcacls //server1/share1 filename [options]\n");
 791         printf("Version: %s\n", VERSION);
 792         printf(
 793 "\n\
 794 \t-D <acls>               delete an acl\n\
 795 \t-M <acls>               modify an acl\n\
 796 \t-A <acls>               add an acl\n\
 797 \t-S <acls>               set acls\n\
 798 \t-C username             change ownership of a file\n\
 799 \t-G username             change group ownership of a file\n\
 800 \t-n                      don't resolve sids or masks to names\n\
 801 \t-h                      print help\n\
 802 \t-d debuglevel           set debug output level\n\
 803 \t-U username             user to autheticate as\n\
 804 \t-W workgroup or domain  workgroup or domain user is in\n\
 805 \n\
 806 The username can be of the form username%%password or\n\
 807 workgroup\\username%%password.\n\n\
 808 An acl is of the form ACL:<SID>:type/flags/mask\n\
 809 You can string acls together with spaces, commas or newlines\n\
 810 ");
 811 }
 812
 813 /****************************************************************************
 814   main program
 815 ****************************************************************************/
 816  int main(int argc,char *argv[])
 817 {
 818         char *share;
 819         pstring filename;
 820         extern char *optarg;
 821         extern int optind;
 822         extern FILE *dbf;
 823         int opt;
 824         char *p;
 825         static pstring servicesf = CONFIGFILE;
 826         struct cli_state *cli=NULL;
 827         enum acl_mode mode = SMB_ACL_SET;
 828         char *the_acl = NULL;
 829         enum chown_mode change_mode = REQUEST_NONE;
 830         int result;
 831
 832         ctx=talloc_init();
 833
 834         setlinebuf(stdout);
 835
 836         dbf = stderr;
 837
 838         if (argc < 3 || argv[1][0] == '-') {
 839                 usage();
 840                 talloc_destroy(ctx);
 841                 exit(EXIT_PARSE_ERROR);
 842         }
 843
 844         setup_logging(argv[0],True);
 845
 846         share = argv[1];
 847         pstrcpy(filename, argv[2]);
 848         all_string_sub(share,"/","\\",0);
 849
 850         argc -= 2;
 851         argv += 2;
 852
 853         TimeInit();
 854         charset_initialise();
 855
 856         lp_load(servicesf,True,False,False);
 857         codepage_initialise(lp_client_code_page());
 858         load_interfaces();
 859
 860         if (getenv("USER")) {
 861                 pstrcpy(username,getenv("USER"));
 862
 863                 if ((p=strchr(username,'%'))) {
 864                         *p = 0;
 865                         pstrcpy(password,p+1);
 866                         got_pass = True;
 867                         memset(strchr(getenv("USER"), '%') + 1, 'X',
 868                                strlen(password));
 869                 }
 870         }
 871
 872         while ((opt = getopt(argc, argv, "U:nhdS:D:A:M:C:G:t")) != EOF) {
 873                 switch (opt) {
 874                 case 'U':
 875                         pstrcpy(username,optarg);
 876                         p = strchr(username,'%');
 877                         if (p) {
 878                                 *p = 0;
 879                                 pstrcpy(password, p+1);
 880                                 got_pass = 1;
 881                         }
 882                         break;
 883
 884                 case 'W':
 885                         pstrcpy(workgroup, optarg);
 886                         break;
 887
 888                 case 'S':
 889                         the_acl = optarg;
 890                         mode = SMB_ACL_SET;
 891                         break;
 892
 893                 case 'D':
 894                         the_acl = optarg;
 895                         mode = SMB_ACL_DELETE;
 896                         break;
 897
 898                 case 'M':
 899                         the_acl = optarg;
 900                         mode = SMB_ACL_MODIFY;
 901                         break;
 902
 903                 case 'A':
 904                         the_acl = optarg;
 905                         mode = SMB_ACL_ADD;
 906                         break;
 907
 908                 case 'C':
 909                         pstrcpy(owner_username,optarg);
 910                         change_mode = REQUEST_CHOWN;
 911                         break;
 912
 913                 case 'G':
 914                         pstrcpy(owner_username,optarg);
 915                         change_mode = REQUEST_CHGRP;
 916                         break;
 917
 918                 case 'n':
 919                         numeric = 1;
 920                         break;
 921
 922                 case 't':
 923                         test_args = 1;
 924                         break;
 925
 926                 case 'h':
 927                         usage();
 928                         talloc_destroy(ctx);
 929                         exit(EXIT_PARSE_ERROR);
 930
 931                 case 'd':
 932                         DEBUGLEVEL = atoi(optarg);
 933                         break;
 934
 935                 default:
 936                         printf("Unknown option %c (%d)\n", (char)opt, opt);
 937                         talloc_destroy(ctx);
 938                         exit(EXIT_PARSE_ERROR);
 939                 }
 940         }
 941
 942         argc -= optind;
 943         argv += optind;
 944
 945         if (argc > 0) {
 946                 usage();
 947                 talloc_destroy(ctx);
 948                 exit(EXIT_PARSE_ERROR);
 949         }
 950
 951         /* Make connection to server */
 952
 953         if (!test_args) {
 954                 cli = connect_one(share);
 955                 if (!cli) {
 956                         talloc_destroy(ctx);
 957                         exit(EXIT_FAILED);
 958                 }
 959         }
 960
 961         all_string_sub(filename, "/", "\\", 0);
 962         if (filename[0] != '\\') {
 963                 pstring s;
 964                 s[0] = '\\';
 965                 safe_strcpy(&s[1], filename, sizeof(pstring)-1);
 966                 pstrcpy(filename, s);
 967         }
 968
 969         /* Perform requested action */
 970
 971         if (change_mode != REQUEST_NONE) {
 972                 result = owner_set(cli, change_mode, filename, owner_username);
 973         } else if (the_acl) {
 974                 result = cacl_set(cli, filename, the_acl, mode);
 975         } else {
 976                 result = cacl_dump(cli, filename);
 977         }
 978
 979         talloc_destroy(ctx);
 980
 981         return result;
 982 }