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 (!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, &types,
 121                                 &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, 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, &sids, &types,
 145                                  &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(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(NULL, tok, "/", sizeof(fstring)) &&
 269               sscanf(tok, "%i", &aflags))) {
 270                 return False;
 271         }
 272
 273         if (!next_token(NULL, 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         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         if (grp_sid) free(grp_sid);
 395         if (owner_sid) 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)) return 0;
 529         if (ace1->type != ace2->type) return ace2->type - ace1->type;
 530         if (sid_compare(&ace1->trustee, &ace2->trustee)) return sid_compare(&ace1->trustee, &ace2->trustee);
 531         if (ace1->flags != ace2->flags) return ace1->flags - ace2->flags;
 532         if (ace1->info.mask != ace2->info.mask) return ace1->info.mask - ace2->info.mask;
 533         if (ace1->size != ace2->size) return ace1->size - ace2->size;
 534         return memcmp(ace1, ace2, sizeof(SEC_ACE));
 535 }
 536
 537 static void sort_acl(SEC_ACL *the_acl)
 538 {
 539         int i;
 540         if (!the_acl) return;
 541
 542         qsort(the_acl->ace, the_acl->num_aces, sizeof(the_acl->ace[0]), QSORT_CAST ace_compare);
 543
 544         for (i=1;i<the_acl->num_aces;) {
 545                 if (sec_ace_equal(&the_acl->ace[i-1], &the_acl->ace[i])) {
 546                         int j;
 547                         for (j=i; j<the_acl->num_aces-1; j++) {
 548                                 the_acl->ace[j] = the_acl->ace[j+1];
 549                         }
 550                         the_acl->num_aces--;
 551                 } else {
 552                         i++;
 553                 }
 554         }
 555 }
 556
 557 /*****************************************************
 558 set the ACLs on a file given an ascii description
 559 *******************************************************/
 560 static int cacl_set(struct cli_state *cli, char *filename,
 561                     char *the_acl, enum acl_mode mode)
 562 {
 563         int fnum;
 564         SEC_DESC *sd, *old;
 565         int i, j;
 566         size_t sd_size;
 567         int result = EXIT_OK;
 568
 569         sd = sec_desc_parse(the_acl);
 570
 571         if (!sd) return EXIT_PARSE_ERROR;
 572         if (test_args) return EXIT_OK;
 573
 574         /* The desired access below is the only one I could find that works
 575            with NT4, W2KP and Samba */
 576
 577         fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
 578
 579         if (fnum == -1) {
 580                 printf("cacl_set failed to open %s: %s\n", filename, cli_errstr(cli));
 581                 return EXIT_FAILED;
 582         }
 583
 584         old = cli_query_secdesc(cli, fnum, ctx);
 585
 586         if (!old) {
 587                 printf("calc_set: Failed to query old descriptor\n");
 588                 return EXIT_FAILED;
 589         }
 590
 591         cli_close(cli, fnum);
 592
 593         /* the logic here is rather more complex than I would like */
 594         switch (mode) {
 595         case SMB_ACL_DELETE:
 596                 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
 597                         BOOL found = False;
 598
 599                         for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
 600                                 if (sec_ace_equal(&sd->dacl->ace[i],
 601                                                   &old->dacl->ace[j])) {
 602                                         int k;
 603                                         for (k=j; k<old->dacl->num_aces-1;k++) {
 604                                                 old->dacl->ace[k] = old->dacl->ace[k+1];
 605                                         }
 606                                         old->dacl->num_aces--;
 607                                         if (old->dacl->num_aces == 0) {
 608                                                 free(old->dacl->ace);
 609                                                 old->dacl->ace=NULL;
 610                                                 free(old->dacl);
 611                                                 old->dacl = NULL;
 612                                                 old->off_dacl = 0;
 613                                         }
 614                                         found = True;
 615                                         break;
 616                                 }
 617                         }
 618
 619                         if (!found) {
 620                                 printf("ACL for ACE:");
 621                                 print_ace(stdout, &sd->dacl->ace[i]);
 622                                 printf(" not found\n");
 623                         }
 624                 }
 625                 break;
 626
 627         case SMB_ACL_MODIFY:
 628                 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
 629                         BOOL found = False;
 630
 631                         for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
 632                                 if (sid_equal(&sd->dacl->ace[i].trustee,
 633                                               &old->dacl->ace[j].trustee)) {
 634                                         old->dacl->ace[j] = sd->dacl->ace[i];
 635                                         found = True;
 636                                 }
 637                         }
 638
 639                         if (!found) {
 640                                 fstring str;
 641
 642                                 SidToString(str, &sd->dacl->ace[i].trustee);
 643                                 printf("ACL for SID %s not found\n", str);
 644                         }
 645                 }
 646
 647                 break;
 648
 649         case SMB_ACL_ADD:
 650                 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
 651                         add_ace(&old->dacl, &sd->dacl->ace[i]);
 652                 }
 653                 break;
 654
 655         case SMB_ACL_SET:
 656                 old = sd;
 657                 break;
 658         }
 659
 660         /* Denied ACE entries must come before allowed ones */
 661         sort_acl(old->dacl);
 662
 663         /* Create new security descriptor and set it */
 664         sd = make_sec_desc(ctx,old->revision, old->owner_sid, old->grp_sid,
 665                            NULL, old->dacl, &sd_size);
 666
 667         fnum = cli_nt_create(cli, filename, CREATE_ACCESS_WRITE);
 668
 669         if (fnum == -1) {
 670                 printf("cacl_set failed to open %s: %s\n", filename, cli_errstr(cli));
 671                 return EXIT_FAILED;
 672         }
 673
 674         if (!cli_set_secdesc(cli, fnum, sd)) {
 675                 printf("ERROR: secdesc set failed: %s\n", cli_errstr(cli));
 676                 result = EXIT_FAILED;
 677         }
 678
 679         /* Clean up */
 680
 681         cli_close(cli, fnum);
 682
 683         return result;
 684 }
 685
 686
 687 /*****************************************************
 688 return a connection to a server
 689 *******************************************************/
 690 struct cli_state *connect_one(char *share)
 691 {
 692         struct cli_state *c;
 693         struct nmb_name called, calling;
 694         char *server_n;
 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         server_n = server;
 706
 707         ip = ipzero;
 708
 709         make_nmb_name(&calling, global_myname, 0x0);
 710         make_nmb_name(&called , server, 0x20);
 711
 712  again:
 713         ip = ipzero;
 714
 715         /* have to open a new connection */
 716         if (!(c=cli_initialise(NULL)) || (cli_set_port(c, 139) == 0) ||
 717             !cli_connect(c, server_n, &ip)) {
 718                 DEBUG(0,("Connection to %s failed\n", server_n));
 719                 cli_shutdown(c);
 720                 return NULL;
 721         }
 722
 723         if (!cli_session_request(c, &calling, &called)) {
 724                 DEBUG(0,("session request to %s failed\n", called.name));
 725                 cli_shutdown(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                 return NULL;
 739         }
 740
 741         if (!got_pass) {
 742                 char *pass = getpass("Password: ");
 743                 if (pass) {
 744                         pstrcpy(password, pass);
 745                 }
 746         }
 747
 748         if (!cli_session_setup(c, username,
 749                                password, strlen(password),
 750                                password, strlen(password),
 751                                lp_workgroup())) {
 752                 DEBUG(0,("session setup failed: %s\n", cli_errstr(c)));
 753                 cli_shutdown(c);
 754                 return NULL;
 755         }
 756
 757         DEBUG(4,(" session setup ok\n"));
 758
 759         if (!cli_send_tconX(c, share, "?????",
 760                             password, strlen(password)+1)) {
 761                 DEBUG(0,("tree connect failed: %s\n", cli_errstr(c)));
 762                 cli_shutdown(c);
 763                 return NULL;
 764         }
 765
 766         DEBUG(4,(" tconx ok\n"));
 767
 768         return c;
 769 }
 770
 771
 772 static void usage(void)
 773 {
 774         printf(
 775 "Usage: smbcacls //server1/share1 filename [options]\n\
 776 \n\
 777 \t-D <acls>               delete an acl\n\
 778 \t-M <acls>               modify an acl\n\
 779 \t-A <acls>               add an acl\n\
 780 \t-S <acls>               set acls\n\
 781 \t-C username             change ownership of a file\n\
 782 \t-G username             change group ownership of a file\n\
 783 \t-n                      don't resolve sids or masks to names\n\
 784 \t-h                      print help\n\
 785 \n\
 786 The username can be of the form username%%password or\n\
 787 workgroup\\username%%password.\n\n\
 788 An acl is of the form ACL:<SID>:type/flags/mask\n\
 789 You can string acls together with spaces, commas or newlines\n\
 790 ");
 791 }
 792
 793 /****************************************************************************
 794   main program
 795 ****************************************************************************/
 796  int main(int argc,char *argv[])
 797 {
 798         char *share;
 799         pstring filename;
 800         extern char *optarg;
 801         extern int optind;
 802         extern FILE *dbf;
 803         int opt;
 804         char *p;
 805         static pstring servicesf = CONFIGFILE;
 806         struct cli_state *cli=NULL;
 807         enum acl_mode mode = SMB_ACL_SET;
 808         char *the_acl = NULL;
 809         enum chown_mode change_mode = REQUEST_NONE;
 810         int result;
 811
 812         ctx=talloc_init();
 813
 814         setlinebuf(stdout);
 815
 816         dbf = stderr;
 817
 818         if (argc < 3 || argv[1][0] == '-') {
 819                 usage();
 820                 talloc_destroy(ctx);
 821                 exit(EXIT_PARSE_ERROR);
 822         }
 823
 824         setup_logging(argv[0],True);
 825
 826         share = argv[1];
 827         pstrcpy(filename, argv[2]);
 828         all_string_sub(share,"/","\\",0);
 829
 830         argc -= 2;
 831         argv += 2;
 832
 833         TimeInit();
 834         charset_initialise();
 835
 836         lp_load(servicesf,True,False,False);
 837         codepage_initialise(lp_client_code_page());
 838         load_interfaces();
 839
 840         if (getenv("USER")) {
 841                 pstrcpy(username,getenv("USER"));
 842
 843                 if ((p=strchr(username,'%'))) {
 844                         *p = 0;
 845                         pstrcpy(password,p+1);
 846                         got_pass = True;
 847                         memset(strchr(getenv("USER"), '%') + 1, 'X',
 848                                strlen(password));
 849                 }
 850         }
 851
 852         while ((opt = getopt(argc, argv, "U:nhS:D:A:M:C:G:t")) != EOF) {
 853                 switch (opt) {
 854                 case 'U':
 855                         pstrcpy(username,optarg);
 856                         p = strchr(username,'%');
 857                         if (p) {
 858                                 *p = 0;
 859                                 pstrcpy(password, p+1);
 860                                 got_pass = 1;
 861                         }
 862                         break;
 863
 864                 case 'S':
 865                         the_acl = optarg;
 866                         mode = SMB_ACL_SET;
 867                         break;
 868
 869                 case 'D':
 870                         the_acl = optarg;
 871                         mode = SMB_ACL_DELETE;
 872                         break;
 873
 874                 case 'M':
 875                         the_acl = optarg;
 876                         mode = SMB_ACL_MODIFY;
 877                         break;
 878
 879                 case 'A':
 880                         the_acl = optarg;
 881                         mode = SMB_ACL_ADD;
 882                         break;
 883
 884                 case 'C':
 885                         pstrcpy(owner_username,optarg);
 886                         change_mode = REQUEST_CHOWN;
 887                         break;
 888
 889                 case 'G':
 890                         pstrcpy(owner_username,optarg);
 891                         change_mode = REQUEST_CHGRP;
 892                         break;
 893
 894                 case 'n':
 895                         numeric = 1;
 896                         break;
 897
 898                 case 't':
 899                         test_args = 1;
 900                         break;
 901
 902                 case 'h':
 903                         usage();
 904                         talloc_destroy(ctx);
 905                         exit(EXIT_PARSE_ERROR);
 906
 907                 default:
 908                         printf("Unknown option %c (%d)\n", (char)opt, opt);
 909                         talloc_destroy(ctx);
 910                         exit(EXIT_PARSE_ERROR);
 911                 }
 912         }
 913
 914         argc -= optind;
 915         argv += optind;
 916
 917         if (argc > 0) {
 918                 usage();
 919                 talloc_destroy(ctx);
 920                 exit(EXIT_PARSE_ERROR);
 921         }
 922
 923         /* Make connection to server */
 924
 925         if (!test_args) {
 926                 cli = connect_one(share);
 927                 if (!cli) {
 928                         talloc_destroy(ctx);
 929                         exit(EXIT_FAILED);
 930                 }
 931         }
 932
 933         all_string_sub(filename, "/", "\\", 0);
 934         if (filename[0] != '\\') {
 935                 pstring s;
 936                 s[0] = '\\';
 937                 safe_strcpy(&s[1], filename, sizeof(pstring)-1);
 938                 pstrcpy(filename, s);
 939         }
 940
 941         /* Perform requested action */
 942
 943         if (change_mode != REQUEST_NONE) {
 944                 result = owner_set(cli, change_mode, filename, owner_username);
 945         } else if (the_acl) {
 946                 result = cacl_set(cli, filename, the_acl, mode);
 947         } else {
 948                 result = cacl_dump(cli, filename);
 949         }
 950
 951         talloc_destroy(ctx);
 952
 953         return result;
 954 }