source/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 (cli_lsa_open_policy(&lsa_cli, lsa_cli.mem_ctx, True,
  96                                         GENERIC_EXECUTE_ACCESS, &pol)
  97                     != NT_STATUS_NOPROBLEMO) {
  98                         return False;
  99                 }
 100
 101                 got_policy_hnd = True;
 102         }
 103
 104         return True;
 105 }
 106
 107 /* convert a SID to a string, either numeric or username/group */
 108 static void SidToString(fstring str, DOM_SID *sid)
 109 {
 110         char **names = NULL;
 111         uint32 *types = NULL;
 112         int num_names;
 113
 114         sid_to_string(str, sid);
 115
 116         if (numeric) return;
 117
 118         /* Ask LSA to convert the sid to a name */
 119
 120         if (!cacls_open_policy_hnd() ||
 121             cli_lsa_lookup_sids(&lsa_cli, lsa_cli.mem_ctx,  &pol, 1, sid, &names, &types,
 122                                 &num_names) != NT_STATUS_NOPROBLEMO ||
 123             !names || !names[0]) {
 124                 return;
 125         }
 126
 127         /* Converted OK */
 128
 129         fstrcpy(str, names[0]);
 130 }
 131
 132 /* convert a string to a SID, either numeric or username/group */
 133 static BOOL StringToSid(DOM_SID *sid, char *str)
 134 {
 135         uint32 *types = NULL;
 136         DOM_SID *sids = NULL;
 137         int num_sids;
 138         BOOL result = True;
 139
 140         if (strncmp(str, "S-", 2) == 0) {
 141                 return string_to_sid(sid, str);
 142         }
 143
 144         if (!cacls_open_policy_hnd() ||
 145             cli_lsa_lookup_names(&lsa_cli, lsa_cli.mem_ctx, &pol, 1, &str, &sids, &types,
 146                                  &num_sids) != NT_STATUS_NOPROBLEMO) {
 147                 result = False;
 148                 goto done;
 149         }
 150
 151         sid_copy(sid, &sids[0]);
 152
 153  done:
 154
 155         return result;
 156 }
 157
 158
 159 /* print an ACE on a FILE, using either numeric or ascii representation */
 160 static void print_ace(FILE *f, SEC_ACE *ace)
 161 {
 162         struct perm_value *v;
 163         fstring sidstr;
 164         int do_print = 0;
 165         uint32 got_mask;
 166
 167         SidToString(sidstr, &ace->sid);
 168
 169         fprintf(f, "%s:", sidstr);
 170
 171         if (numeric) {
 172                 fprintf(f, "%d/%d/0x%08x",
 173                         ace->type, ace->flags, ace->info.mask);
 174                 return;
 175         }
 176
 177         /* Ace type */
 178
 179         if (ace->type == SEC_ACE_TYPE_ACCESS_ALLOWED) {
 180                 fprintf(f, "ALLOWED");
 181         } else if (ace->type == SEC_ACE_TYPE_ACCESS_DENIED) {
 182                 fprintf(f, "DENIED");
 183         } else {
 184                 fprintf(f, "%d", ace->type);
 185         }
 186
 187         /* Not sure what flags can be set in a file ACL */
 188
 189         fprintf(f, "/%d/", ace->flags);
 190
 191         /* Standard permissions */
 192
 193         for (v = standard_values; v->perm; v++) {
 194                 if (ace->info.mask == v->mask) {
 195                         fprintf(f, "%s", v->perm);
 196                         return;
 197                 }
 198         }
 199
 200         /* Special permissions.  Print out a hex value if we have
 201            leftover bits in the mask. */
 202
 203         got_mask = ace->info.mask;
 204
 205  again:
 206         for (v = special_values; v->perm; v++) {
 207                 if ((ace->info.mask & v->mask) == v->mask) {
 208                         if (do_print) {
 209                                 fprintf(f, "%s", v->perm);
 210                         }
 211                         got_mask &= ~v->mask;
 212                 }
 213         }
 214
 215         if (!do_print) {
 216                 if (got_mask != 0) {
 217                         fprintf(f, "0x%08x", ace->info.mask);
 218                 } else {
 219                         do_print = 1;
 220                         goto again;
 221                 }
 222         }
 223 }
 224
 225
 226 /* parse an ACE in the same format as print_ace() */
 227 static BOOL parse_ace(SEC_ACE *ace, char *str)
 228 {
 229         char *p;
 230         fstring tok;
 231         unsigned atype, aflags, amask;
 232         DOM_SID sid;
 233         SEC_ACCESS mask;
 234         struct perm_value *v;
 235
 236         ZERO_STRUCTP(ace);
 237         p = strchr(str,':');
 238         if (!p) return False;
 239         *p = '\0';
 240         p++;
 241
 242         /* Try to parse numeric form */
 243
 244         if (sscanf(p, "%i/%i/%i", &atype, &aflags, &amask) == 3 &&
 245             StringToSid(&sid, str)) {
 246                 goto done;
 247         }
 248
 249         /* Try to parse text form */
 250
 251         if (!StringToSid(&sid, str)) {
 252                 return False;
 253         }
 254
 255         if (!next_token(&p, tok, "/", sizeof(fstring))) {
 256                 return False;
 257         }
 258
 259         if (strncmp(tok, "ALLOWED", strlen("ALLOWED")) == 0) {
 260                 atype = SEC_ACE_TYPE_ACCESS_ALLOWED;
 261         } else if (strncmp(tok, "DENIED", strlen("DENIED")) == 0) {
 262                 atype = SEC_ACE_TYPE_ACCESS_DENIED;
 263         } else {
 264                 return False;
 265         }
 266
 267         /* Only numeric form accepted for flags at present */
 268
 269         if (!(next_token(&p, tok, "/", sizeof(fstring)) &&
 270               sscanf(tok, "%i", &aflags))) {
 271                 return False;
 272         }
 273
 274         if (!next_token(&p, tok, "/", sizeof(fstring))) {
 275                 return False;
 276         }
 277
 278         if (strncmp(tok, "0x", 2) == 0) {
 279                 if (sscanf(tok, "%i", &amask) != 1) {
 280                         return False;
 281                 }
 282                 goto done;
 283         }
 284
 285         for (v = standard_values; v->perm; v++) {
 286                 if (strcmp(tok, v->perm) == 0) {
 287                         amask = v->mask;
 288                         goto done;
 289                 }
 290         }
 291
 292         p = tok;
 293
 294         while(*p) {
 295                 BOOL found = False;
 296
 297                 for (v = special_values; v->perm; v++) {
 298                         if (v->perm[0] == *p) {
 299                                 amask |= v->mask;
 300                                 found = True;
 301                         }
 302                 }
 303
 304                 if (!found) return False;
 305                 p++;
 306         }
 307
 308         if (*p) {
 309                 return False;
 310         }
 311
 312  done:
 313         mask.mask = amask;
 314         init_sec_ace(ace, &sid, atype, mask, aflags);
 315         return True;
 316 }
 317
 318 /* add an ACE to a list of ACEs in a SEC_ACL */
 319 static BOOL add_ace(SEC_ACL **the_acl, SEC_ACE *ace)
 320 {
 321         SEC_ACL *new;
 322         SEC_ACE *aces;
 323         if (! *the_acl) {
 324                 (*the_acl) = make_sec_acl(ctx, 3, 1, ace);
 325                 return True;
 326         }
 327
 328         aces = calloc(1+(*the_acl)->num_aces,sizeof(SEC_ACE));
 329         memcpy(aces, (*the_acl)->ace, (*the_acl)->num_aces * sizeof(SEC_ACE));
 330         memcpy(aces+(*the_acl)->num_aces, ace, sizeof(SEC_ACE));
 331         new = make_sec_acl(ctx,(*the_acl)->revision,1+(*the_acl)->num_aces, aces);
 332         free(aces);
 333         (*the_acl) = new;
 334         return True;
 335 }
 336
 337 /* parse a ascii version of a security descriptor */
 338 static SEC_DESC *sec_desc_parse(char *str)
 339 {
 340         char *p = str;
 341         fstring tok;
 342         SEC_DESC *ret;
 343         size_t sd_size;
 344         DOM_SID *grp_sid=NULL, *owner_sid=NULL;
 345         SEC_ACL *dacl=NULL;
 346         int revision=1;
 347
 348         while (next_token(&p, tok, "\t,\r\n", sizeof(tok))) {
 349
 350                 if (strncmp(tok,"REVISION:", 9) == 0) {
 351                         revision = strtol(tok+9, NULL, 16);
 352                         continue;
 353                 }
 354
 355                 if (strncmp(tok,"OWNER:", 6) == 0) {
 356                         owner_sid = (DOM_SID *)calloc(1, sizeof(DOM_SID));
 357                         if (!owner_sid ||
 358                             !StringToSid(owner_sid, tok+6)) {
 359                                 printf("Failed to parse owner sid\n");
 360                                 return NULL;
 361                         }
 362                         continue;
 363                 }
 364
 365                 if (strncmp(tok,"GROUP:", 6) == 0) {
 366                         grp_sid = (DOM_SID *)calloc(1, sizeof(DOM_SID));
 367                         if (!grp_sid ||
 368                             !StringToSid(grp_sid, tok+6)) {
 369                                 printf("Failed to parse group sid\n");
 370                                 return NULL;
 371                         }
 372                         continue;
 373                 }
 374
 375                 if (strncmp(tok,"ACL:", 4) == 0) {
 376                         SEC_ACE ace;
 377                         if (!parse_ace(&ace, tok+4)) {
 378                                 printf("Failed to parse ACL %s\n", tok);
 379                                 return NULL;
 380                         }
 381                         if(!add_ace(&dacl, &ace)) {
 382                                 printf("Failed to add ACL %s\n", tok);
 383                                 return NULL;
 384                         }
 385                         continue;
 386                 }
 387
 388                 printf("Failed to parse security descriptor\n");
 389                 return NULL;
 390         }
 391
 392         ret = make_sec_desc(ctx,revision, owner_sid, grp_sid,
 393                             NULL, dacl, &sd_size);
 394
 395         if (grp_sid) free(grp_sid);
 396         if (owner_sid) free(owner_sid);
 397
 398         return ret;
 399 }
 400
 401
 402 /* print a ascii version of a security descriptor on a FILE handle */
 403 static void sec_desc_print(FILE *f, SEC_DESC *sd)
 404 {
 405         fstring sidstr;
 406         int i;
 407
 408         printf("REVISION:%d\n", sd->revision);
 409
 410         /* Print owner and group sid */
 411
 412         if (sd->owner_sid) {
 413                 SidToString(sidstr, sd->owner_sid);
 414         } else {
 415                 fstrcpy(sidstr, "");
 416         }
 417
 418         printf("OWNER:%s\n", sidstr);
 419
 420         if (sd->grp_sid) {
 421                 SidToString(sidstr, sd->grp_sid);
 422         } else {
 423                 fstrcpy(sidstr, "");
 424         }
 425
 426         fprintf(f, "GROUP:%s\n", sidstr);
 427
 428         /* Print aces */
 429         for (i = 0; sd->dacl && i < sd->dacl->num_aces; i++) {
 430                 SEC_ACE *ace = &sd->dacl->ace[i];
 431                 fprintf(f, "ACL:");
 432                 print_ace(f, ace);
 433                 fprintf(f, "\n");
 434         }
 435
 436 }
 437
 438 /*****************************************************
 439 dump the acls for a file
 440 *******************************************************/
 441 static int cacl_dump(struct cli_state *cli, char *filename)
 442 {
 443         int fnum;
 444         SEC_DESC *sd;
 445
 446         if (test_args) return EXIT_OK;
 447
 448         fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
 449         if (fnum == -1) {
 450                 printf("Failed to open %s: %s\n", filename, cli_errstr(cli));
 451                 return EXIT_FAILED;
 452         }
 453
 454         sd = cli_query_secdesc(cli, fnum, ctx);
 455
 456         if (!sd) {
 457                 printf("ERROR: secdesc query failed: %s\n", cli_errstr(cli));
 458                 return EXIT_FAILED;
 459         }
 460
 461         sec_desc_print(stdout, sd);
 462
 463         cli_close(cli, fnum);
 464
 465         return EXIT_OK;
 466 }
 467
 468 /*****************************************************
 469 Change the ownership or group ownership of a file. Just
 470 because the NT docs say this can't be done :-). JRA.
 471 *******************************************************/
 472
 473 static int owner_set(struct cli_state *cli, enum chown_mode change_mode,
 474                      char *filename, char *new_username)
 475 {
 476         int fnum;
 477         DOM_SID sid;
 478         SEC_DESC *sd, *old;
 479         size_t sd_size;
 480
 481         fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
 482
 483         if (fnum == -1) {
 484                 printf("Failed to open %s: %s\n", filename, cli_errstr(cli));
 485                 return EXIT_FAILED;
 486         }
 487
 488         if (!StringToSid(&sid, new_username))
 489                 return EXIT_PARSE_ERROR;
 490
 491         old = cli_query_secdesc(cli, fnum, ctx);
 492
 493         cli_close(cli, fnum);
 494
 495         if (!old) {
 496                 printf("owner_set: Failed to query old descriptor\n");
 497                 return EXIT_FAILED;
 498         }
 499
 500         sd = make_sec_desc(ctx,old->revision,
 501                                 (change_mode == REQUEST_CHOWN) ? &sid : old->owner_sid,
 502                                 (change_mode == REQUEST_CHGRP) ? &sid : old->grp_sid,
 503                            NULL, old->dacl, &sd_size);
 504
 505         fnum = cli_nt_create(cli, filename, CREATE_ACCESS_WRITE);
 506
 507         if (fnum == -1) {
 508                 printf("Failed to open %s: %s\n", filename, cli_errstr(cli));
 509                 return EXIT_FAILED;
 510         }
 511
 512         if (!cli_set_secdesc(cli, fnum, sd)) {
 513                 printf("ERROR: secdesc set failed: %s\n", cli_errstr(cli));
 514         }
 515
 516         cli_close(cli, fnum);
 517
 518         return EXIT_OK;
 519 }
 520
 521
 522 /* The MSDN is contradictory over the ordering of ACE entries in an ACL.
 523    However NT4 gives a "The information may have been modified by a
 524    computer running Windows NT 5.0" if denied ACEs do not appear before
 525    allowed ACEs. */
 526
 527 static int ace_compare(SEC_ACE *ace1, SEC_ACE *ace2)
 528 {
 529         if (sec_ace_equal(ace1, ace2)) return 0;
 530         if (ace1->type != ace2->type) return ace2->type - ace1->type;
 531         if (sid_compare(&ace1->sid, &ace2->sid)) return sid_compare(&ace1->sid, &ace2->sid);
 532         if (ace1->flags != ace2->flags) return ace1->flags - ace2->flags;
 533         if (ace1->info.mask != ace2->info.mask) return ace1->info.mask - ace2->info.mask;
 534         if (ace1->size != ace2->size) return ace1->size - ace2->size;
 535         return memcmp(ace1, ace2, sizeof(SEC_ACE));
 536 }
 537
 538 static void sort_acl(SEC_ACL *the_acl)
 539 {
 540         int i;
 541         if (!the_acl) return;
 542
 543         qsort(the_acl->ace, the_acl->num_aces, sizeof(the_acl->ace[0]), QSORT_CAST ace_compare);
 544
 545         for (i=1;i<the_acl->num_aces;) {
 546                 if (sec_ace_equal(&the_acl->ace[i-1], &the_acl->ace[i])) {
 547                         int j;
 548                         for (j=i; j<the_acl->num_aces-1; j++) {
 549                                 the_acl->ace[j] = the_acl->ace[j+1];
 550                         }
 551                         the_acl->num_aces--;
 552                 } else {
 553                         i++;
 554                 }
 555         }
 556 }
 557
 558 /*****************************************************
 559 set the ACLs on a file given an ascii description
 560 *******************************************************/
 561 static int cacl_set(struct cli_state *cli, char *filename,
 562                     char *the_acl, enum acl_mode mode)
 563 {
 564         int fnum;
 565         SEC_DESC *sd, *old;
 566         int i, j;
 567         size_t sd_size;
 568         int result = EXIT_OK;
 569
 570         sd = sec_desc_parse(the_acl);
 571
 572         if (!sd) return EXIT_PARSE_ERROR;
 573         if (test_args) return EXIT_OK;
 574
 575         /* The desired access below is the only one I could find that works
 576            with NT4, W2KP and Samba */
 577
 578         fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
 579
 580         if (fnum == -1) {
 581                 printf("cacl_set failed to open %s: %s\n", filename, cli_errstr(cli));
 582                 return EXIT_FAILED;
 583         }
 584
 585         old = cli_query_secdesc(cli, fnum, ctx);
 586
 587         if (!old) {
 588                 printf("calc_set: Failed to query old descriptor\n");
 589                 return EXIT_FAILED;
 590         }
 591
 592         cli_close(cli, fnum);
 593
 594         /* the logic here is rather more complex than I would like */
 595         switch (mode) {
 596         case SMB_ACL_DELETE:
 597                 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
 598                         BOOL found = False;
 599
 600                         for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
 601                                 if (sec_ace_equal(&sd->dacl->ace[i],
 602                                                   &old->dacl->ace[j])) {
 603                                         int k;
 604                                         for (k=j; k<old->dacl->num_aces-1;k++) {
 605                                                 old->dacl->ace[k] = old->dacl->ace[k+1];
 606                                         }
 607                                         old->dacl->num_aces--;
 608                                         if (old->dacl->num_aces == 0) {
 609                                                 free(old->dacl->ace);
 610                                                 old->dacl->ace=NULL;
 611                                                 free(old->dacl);
 612                                                 old->dacl = NULL;
 613                                                 old->off_dacl = 0;
 614                                         }
 615                                         found = True;
 616                                         break;
 617                                 }
 618                         }
 619
 620                         if (!found) {
 621                                 printf("ACL for ACE:");
 622                                 print_ace(stdout, &sd->dacl->ace[i]);
 623                                 printf(" not found\n");
 624                         }
 625                 }
 626                 break;
 627
 628         case SMB_ACL_MODIFY:
 629                 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
 630                         BOOL found = False;
 631
 632                         for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
 633                                 if (sid_equal(&sd->dacl->ace[i].sid,
 634                                               &old->dacl->ace[j].sid)) {
 635                                         old->dacl->ace[j] = sd->dacl->ace[i];
 636                                         found = True;
 637                                 }
 638                         }
 639
 640                         if (!found) {
 641                                 fstring str;
 642
 643                                 SidToString(str, &sd->dacl->ace[i].sid);
 644                                 printf("ACL for SID %s not found\n", str);
 645                         }
 646                 }
 647
 648                 break;
 649
 650         case SMB_ACL_ADD:
 651                 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
 652                         add_ace(&old->dacl, &sd->dacl->ace[i]);
 653                 }
 654                 break;
 655
 656         case SMB_ACL_SET:
 657                 old = sd;
 658                 break;
 659         }
 660
 661         /* Denied ACE entries must come before allowed ones */
 662         sort_acl(old->dacl);
 663
 664         /* Create new security descriptor and set it */
 665         sd = make_sec_desc(ctx,old->revision, old->owner_sid, old->grp_sid,
 666                            NULL, old->dacl, &sd_size);
 667
 668         fnum = cli_nt_create(cli, filename, CREATE_ACCESS_WRITE);
 669
 670         if (fnum == -1) {
 671                 printf("cacl_set failed to open %s: %s\n", filename, cli_errstr(cli));
 672                 return EXIT_FAILED;
 673         }
 674
 675         if (!cli_set_secdesc(cli, fnum, sd)) {
 676                 printf("ERROR: secdesc set failed: %s\n", cli_errstr(cli));
 677                 result = EXIT_FAILED;
 678         }
 679
 680         /* Clean up */
 681
 682         cli_close(cli, fnum);
 683
 684         return result;
 685 }
 686
 687
 688 /*****************************************************
 689 return a connection to a server
 690 *******************************************************/
 691 struct cli_state *connect_one(char *share)
 692 {
 693         struct cli_state *c;
 694         struct nmb_name called, calling;
 695         struct in_addr ip;
 696         extern struct in_addr ipzero;
 697         extern pstring global_myname;
 698
 699         fstrcpy(server,share+2);
 700         share = strchr(server,'\\');
 701         if (!share) return NULL;
 702         *share = 0;
 703         share++;
 704
 705         ip = ipzero;
 706
 707         make_nmb_name(&calling, global_myname, 0x0);
 708         make_nmb_name(&called , server, 0x20);
 709
 710  again:
 711         ip = ipzero;
 712
 713         /* have to open a new connection */
 714         if (!(c=cli_initialise(NULL)) || (cli_set_port(c, 139) == 0) ||
 715             !cli_connect(c, server, &ip)) {
 716                 DEBUG(0,("Connection to %s failed\n", server));
 717                 cli_shutdown(c);
 718                 safe_free(c);
 719                 return NULL;
 720         }
 721
 722         if (!cli_session_request(c, &calling, &called)) {
 723                 DEBUG(0,("session request to %s failed\n", called.name));
 724                 cli_shutdown(c);
 725                 safe_free(c);
 726                 if (strcmp(called.name, "*SMBSERVER")) {
 727                         make_nmb_name(&called , "*SMBSERVER", 0x20);
 728                         goto again;
 729                 }
 730                 return NULL;
 731         }
 732
 733         DEBUG(4,(" session request ok\n"));
 734
 735         if (!cli_negprot(c)) {
 736                 DEBUG(0,("protocol negotiation failed\n"));
 737                 cli_shutdown(c);
 738                 safe_free(c);
 739                 return NULL;
 740         }
 741
 742         if (!got_pass) {
 743                 char *pass = getpass("Password: ");
 744                 if (pass) {
 745                         pstrcpy(password, pass);
 746                 }
 747         }
 748
 749         if (!cli_session_setup(c, username,
 750                                password, strlen(password),
 751                                password, strlen(password),
 752                                lp_workgroup())) {
 753                 DEBUG(0,("session setup failed: %s\n", cli_errstr(c)));
 754                 cli_shutdown(c);
 755                 safe_free(c);
 756                 return NULL;
 757         }
 758
 759         DEBUG(4,(" session setup ok\n"));
 760
 761         if (!cli_send_tconX(c, share, "?????",
 762                             password, strlen(password)+1)) {
 763                 DEBUG(0,("tree connect failed: %s\n", cli_errstr(c)));
 764                 cli_shutdown(c);
 765                 safe_free(c);
 766                 return NULL;
 767         }
 768
 769         DEBUG(4,(" tconx ok\n"));
 770
 771         return c;
 772 }
 773
 774
 775 static void usage(void)
 776 {
 777         printf(
 778 "Usage: smbcacls //server1/share1 filename [options]\n\
 779 \n\
 780 \t-D <acls>               delete an acl\n\
 781 \t-M <acls>               modify an acl\n\
 782 \t-A <acls>               add an acl\n\
 783 \t-S <acls>               set acls\n\
 784 \t-C username             change ownership of a file\n\
 785 \t-G username             change group ownership of a file\n\
 786 \t-n                      don't resolve sids or masks to names\n\
 787 \t-h                      print help\n\
 788 \t-d debuglevel           set debug output level\n\
 789 \t-U username             user to autheticate as\n\
 790 \n\
 791 The username can be of the form username%%password or\n\
 792 workgroup\\username%%password.\n\n\
 793 An acl is of the form ACL:<SID>:type/flags/mask\n\
 794 You can string acls together with spaces, commas or newlines\n\
 795 ");
 796 }
 797
 798 /****************************************************************************
 799   main program
 800 ****************************************************************************/
 801  int main(int argc,char *argv[])
 802 {
 803         char *share;
 804         pstring filename;
 805         extern char *optarg;
 806         extern int optind;
 807         extern FILE *dbf;
 808         int opt;
 809         char *p;
 810         static pstring servicesf = CONFIGFILE;
 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 = 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         TimeInit();
 839         charset_initialise();
 840
 841         lp_load(servicesf,True,False,False);
 842         codepage_initialise(lp_client_code_page());
 843         load_interfaces();
 844
 845         if (getenv("USER")) {
 846                 pstrcpy(username,getenv("USER"));
 847
 848                 if ((p=strchr(username,'%'))) {
 849                         *p = 0;
 850                         pstrcpy(password,p+1);
 851                         got_pass = True;
 852                         memset(strchr(getenv("USER"), '%') + 1, 'X',
 853                                strlen(password));
 854                 }
 855         }
 856
 857         while ((opt = getopt(argc, argv, "U:nhS:D:A:M:C:G:td:")) != EOF) {
 858                 switch (opt) {
 859                 case 'U':
 860                         pstrcpy(username,optarg);
 861                         p = strchr(username,'%');
 862                         if (p) {
 863                                 *p = 0;
 864                                 pstrcpy(password, p+1);
 865                                 got_pass = 1;
 866                         }
 867                         break;
 868
 869                 case 'S':
 870                         the_acl = optarg;
 871                         mode = SMB_ACL_SET;
 872                         break;
 873
 874                 case 'D':
 875                         the_acl = optarg;
 876                         mode = SMB_ACL_DELETE;
 877                         break;
 878
 879                 case 'M':
 880                         the_acl = optarg;
 881                         mode = SMB_ACL_MODIFY;
 882                         break;
 883
 884                 case 'A':
 885                         the_acl = optarg;
 886                         mode = SMB_ACL_ADD;
 887                         break;
 888
 889                 case 'C':
 890                         pstrcpy(owner_username,optarg);
 891                         change_mode = REQUEST_CHOWN;
 892                         break;
 893
 894                 case 'G':
 895                         pstrcpy(owner_username,optarg);
 896                         change_mode = REQUEST_CHGRP;
 897                         break;
 898
 899                 case 'n':
 900                         numeric = 1;
 901                         break;
 902
 903                 case 't':
 904                         test_args = 1;
 905                         break;
 906
 907                 case 'h':
 908                         usage();
 909                         talloc_destroy(ctx);
 910                         exit(EXIT_PARSE_ERROR);
 911
 912                 case 'd':
 913                         DEBUGLEVEL = atoi(optarg);
 914                         break;
 915
 916                 default:
 917                         printf("Unknown option %c (%d)\n", (char)opt, opt);
 918                         talloc_destroy(ctx);
 919                         exit(EXIT_PARSE_ERROR);
 920                 }
 921         }
 922
 923         argc -= optind;
 924         argv += optind;
 925
 926         if (argc > 0) {
 927                 usage();
 928                 talloc_destroy(ctx);
 929                 exit(EXIT_PARSE_ERROR);
 930         }
 931
 932         /* Make connection to server */
 933
 934         if (!test_args) {
 935                 cli = connect_one(share);
 936                 if (!cli) {
 937                         talloc_destroy(ctx);
 938                         exit(EXIT_FAILED);
 939                 }
 940         }
 941
 942         all_string_sub(filename, "/", "\\", 0);
 943         if (filename[0] != '\\') {
 944                 pstring s;
 945                 s[0] = '\\';
 946                 safe_strcpy(&s[1], filename, sizeof(pstring)-1);
 947                 pstrcpy(filename, s);
 948         }
 949
 950         /* Perform requested action */
 951
 952         if (change_mode != REQUEST_NONE) {
 953                 result = owner_set(cli, change_mode, filename, owner_username);
 954         } else if (the_acl) {
 955                 result = cacl_set(cli, filename, the_acl, mode);
 956         } else {
 957                 result = cacl_dump(cli, filename);
 958         }
 959
 960         talloc_destroy(ctx);
 961
 962         return result;
 963 }