source3/utils/net_rpc_samsync.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    dump the remote SAM using rpc samsync operations
   4
   5    Copyright (C) Andrew Tridgell 2002
   6    Copyright (C) Tim Potter 2001,2002
   7    Modified by Volker Lendecke 2002
   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 #include "../utils/net.h"
  26
  27 extern DOM_SID global_sid_Builtin;
  28
  29 static void display_group_mem_info(uint32 rid, SAM_GROUP_MEM_INFO *g)
  30 {
  31         int i;
  32         d_printf("Group mem %u: ", rid);
  33         for (i=0;i<g->num_members;i++) {
  34                 d_printf("%u ", g->rids[i]);
  35         }
  36         d_printf("\n");
  37 }
  38
  39 static void display_alias_info(uint32 rid, SAM_ALIAS_INFO *a)
  40 {
  41         d_printf("Alias '%s' ", unistr2_static(&a->uni_als_name));
  42         d_printf("desc='%s' rid=%u\n", unistr2_static(&a->uni_als_desc), a->als_rid);
  43 }
  44
  45 static void display_alias_mem(uint32 rid, SAM_ALIAS_MEM_INFO *a)
  46 {
  47         int i;
  48         d_printf("Alias rid %u: ", rid);
  49         for (i=0;i<a->num_members;i++) {
  50                 d_printf("%s ", sid_string_static(&a->sids[i].sid));
  51         }
  52         d_printf("\n");
  53 }
  54
  55 static void display_account_info(uint32 rid, SAM_ACCOUNT_INFO *a)
  56 {
  57         fstring hex_nt_passwd, hex_lm_passwd;
  58         uchar lm_passwd[16], nt_passwd[16];
  59
  60         /* Decode hashes from password hash */
  61         sam_pwd_hash(a->user_rid, a->pass.buf_lm_pwd, lm_passwd, 0);
  62         sam_pwd_hash(a->user_rid, a->pass.buf_nt_pwd, nt_passwd, 0);
  63
  64         /* Encode as strings */
  65         smbpasswd_sethexpwd(hex_lm_passwd, lm_passwd, a->acb_info);
  66         smbpasswd_sethexpwd(hex_nt_passwd, nt_passwd, a->acb_info);
  67
  68         printf("%s:%d:%s:%s:%s:LCT-0\n", unistr2_static(&a->uni_acct_name),
  69                a->user_rid, hex_lm_passwd, hex_nt_passwd,
  70                smbpasswd_encode_acb_info(a->acb_info));
  71 }
  72
  73 static void display_domain_info(SAM_DOMAIN_INFO *a)
  74 {
  75         d_printf("Domain name: %s\n", unistr2_static(&a->uni_dom_name));
  76 }
  77
  78 static void display_group_info(uint32 rid, SAM_GROUP_INFO *a)
  79 {
  80         d_printf("Group '%s' ", unistr2_static(&a->uni_grp_name));
  81         d_printf("desc='%s', rid=%u\n", unistr2_static(&a->uni_grp_desc), rid);
  82 }
  83
  84 static void display_sam_entry(SAM_DELTA_HDR *hdr_delta, SAM_DELTA_CTR *delta)
  85 {
  86         switch (hdr_delta->type) {
  87         case SAM_DELTA_ACCOUNT_INFO:
  88                 display_account_info(hdr_delta->target_rid, &delta->account_info);
  89                 break;
  90         case SAM_DELTA_GROUP_MEM:
  91                 display_group_mem_info(hdr_delta->target_rid, &delta->grp_mem_info);
  92                 break;
  93         case SAM_DELTA_ALIAS_INFO:
  94                 display_alias_info(hdr_delta->target_rid, &delta->alias_info);
  95                 break;
  96         case SAM_DELTA_ALIAS_MEM:
  97                 display_alias_mem(hdr_delta->target_rid, &delta->als_mem_info);
  98                 break;
  99         case SAM_DELTA_DOMAIN_INFO:
 100                 display_domain_info(&delta->domain_info);
 101                 break;
 102         case SAM_DELTA_GROUP_INFO:
 103                 display_group_info(hdr_delta->target_rid, &delta->group_info);
 104                 break;
 105         default:
 106                 d_printf("Unknown delta record type %d\n", hdr_delta->type);
 107                 break;
 108         }
 109 }
 110
 111
 112 static void dump_database(struct cli_state *cli, unsigned db_type, DOM_CRED *ret_creds)
 113 {
 114         unsigned last_rid = -1;
 115         NTSTATUS result;
 116         int i;
 117         TALLOC_CTX *mem_ctx;
 118         SAM_DELTA_HDR *hdr_deltas;
 119         SAM_DELTA_CTR *deltas;
 120         uint32 num_deltas;
 121
 122         if (!(mem_ctx = talloc_init())) {
 123                 return;
 124         }
 125
 126         d_printf("Dumping database %u\n", db_type);
 127
 128         do {
 129                 result = cli_netlogon_sam_sync(cli, mem_ctx, ret_creds, db_type, last_rid+1,
 130                                                &num_deltas, &hdr_deltas, &deltas);
 131                 clnt_deal_with_creds(cli->sess_key, &(cli->clnt_cred), ret_creds);
 132                 last_rid = 0;
 133                 for (i = 0; i < num_deltas; i++) {
 134                         display_sam_entry(&hdr_deltas[i], &deltas[i]);
 135                         last_rid = hdr_deltas[i].target_rid;
 136                 }
 137         } while (last_rid && NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES));
 138
 139         talloc_destroy(mem_ctx);
 140 }
 141
 142 /* dump sam database via samsync rpc calls */
 143 int rpc_samdump(int argc, const char **argv)
 144 {
 145         NTSTATUS result;
 146         struct cli_state *cli = NULL;
 147         uchar trust_password[16];
 148         DOM_CRED ret_creds;
 149         uint32 neg_flags = 0x000001ff;
 150
 151
 152         ZERO_STRUCT(ret_creds);
 153
 154         /* Connect to remote machine */
 155         if (!(cli = net_make_ipc_connection(NET_FLAGS_ANONYMOUS | NET_FLAGS_PDC))) {
 156                 return 1;
 157         }
 158
 159         if (!cli_nt_session_open(cli, PIPE_NETLOGON)) {
 160                 DEBUG(0,("Error connecting to NETLOGON pipe\n"));
 161                 goto fail;
 162         }
 163
 164         if (!secrets_fetch_trust_account_password(lp_workgroup(), trust_password, NULL)) {
 165                 d_printf("Could not retrieve domain trust secret");
 166                 goto fail;
 167         }
 168
 169         result = cli_nt_setup_creds(cli, SEC_CHAN_BDC,  trust_password, &neg_flags, 2);
 170         if (!NT_STATUS_IS_OK(result)) {
 171                 d_printf("Failed to setup BDC creds\n");
 172                 goto fail;
 173         }
 174
 175         dump_database(cli, SAM_DATABASE_DOMAIN, &ret_creds);
 176         dump_database(cli, SAM_DATABASE_BUILTIN, &ret_creds);
 177         dump_database(cli, SAM_DATABASE_PRIVS, &ret_creds);
 178
 179         cli_nt_session_close(cli);
 180
 181         return 0;
 182
 183 fail:
 184         if (cli) {
 185                 cli_nt_session_close(cli);
 186         }
 187         return -1;
 188 }
 189
 190 /* Convert a SAM_ACCOUNT_DELTA to a SAM_ACCOUNT. */
 191
 192 static NTSTATUS
 193 sam_account_from_delta(SAM_ACCOUNT *account, SAM_ACCOUNT_INFO *delta)
 194 {
 195         fstring s;
 196         uchar lm_passwd[16], nt_passwd[16];
 197
 198         /* Username, fullname, home dir, dir drive, logon script, acct
 199            desc, workstations, profile. */
 200
 201         unistr2_to_ascii(s, &delta->uni_acct_name, sizeof(s) - 1);
 202         pdb_set_nt_username(account, s);
 203
 204         /* Unix username is the same - for sainity */
 205         pdb_set_username(account, s);
 206
 207         unistr2_to_ascii(s, &delta->uni_full_name, sizeof(s) - 1);
 208         pdb_set_fullname(account, s);
 209
 210         unistr2_to_ascii(s, &delta->uni_home_dir, sizeof(s) - 1);
 211         pdb_set_homedir(account, s, True);
 212
 213         unistr2_to_ascii(s, &delta->uni_dir_drive, sizeof(s) - 1);
 214         pdb_set_dir_drive(account, s, True);
 215
 216         unistr2_to_ascii(s, &delta->uni_logon_script, sizeof(s) - 1);
 217         pdb_set_logon_script(account, s, True);
 218
 219         unistr2_to_ascii(s, &delta->uni_acct_desc, sizeof(s) - 1);
 220         pdb_set_acct_desc(account, s);
 221
 222         unistr2_to_ascii(s, &delta->uni_workstations, sizeof(s) - 1);
 223         pdb_set_workstations(account, s);
 224
 225         unistr2_to_ascii(s, &delta->uni_profile, sizeof(s) - 1);
 226         pdb_set_profile_path(account, s, True);
 227
 228         /* User and group sid */
 229
 230         pdb_set_user_sid_from_rid(account, delta->user_rid);
 231         pdb_set_group_sid_from_rid(account, delta->group_rid);
 232
 233         /* Logon and password information */
 234
 235         pdb_set_logon_time(account, nt_time_to_unix(&delta->logon_time), True);
 236         pdb_set_logoff_time(account, nt_time_to_unix(&delta->logoff_time),
 237                             True);
 238         pdb_set_logon_divs(account, delta->logon_divs);
 239
 240         /* TODO: logon hours */
 241         /* TODO: bad password count */
 242         /* TODO: logon count */
 243
 244         pdb_set_pass_last_set_time(
 245                 account, nt_time_to_unix(&delta->pwd_last_set_time));
 246
 247         pdb_set_kickoff_time(account, get_time_t_max(), True);
 248
 249         /* Decode hashes from password hash */
 250         sam_pwd_hash(delta->user_rid, delta->pass.buf_lm_pwd, lm_passwd, 0);
 251         sam_pwd_hash(delta->user_rid, delta->pass.buf_nt_pwd, nt_passwd, 0);
 252         pdb_set_nt_passwd(account, nt_passwd);
 253         pdb_set_lanman_passwd(account, lm_passwd);
 254
 255         /* TODO: account expiry time */
 256
 257         pdb_set_acct_ctrl(account, delta->acb_info);
 258         return NT_STATUS_OK;
 259 }
 260
 261 static NTSTATUS
 262 fetch_account_info(uint32 rid, SAM_ACCOUNT_INFO *delta)
 263 {
 264         NTSTATUS nt_ret;
 265         fstring account;
 266         pstring add_script;
 267         SAM_ACCOUNT *sam_account=NULL;
 268         GROUP_MAP map;
 269         struct group *grp;
 270
 271         fstrcpy(account, unistr2_static(&delta->uni_acct_name));
 272         d_printf("Creating account: %s\n", account);
 273
 274         if (!NT_STATUS_IS_OK(nt_ret = pdb_init_sam(&sam_account)))
 275                 return nt_ret;
 276
 277         if (!pdb_getsampwnam(sam_account, account)) {
 278                 struct passwd *pw;
 279
 280                 pdb_free_sam(&sam_account);
 281
 282                 /* Create appropriate user */
 283                 if (delta->acb_info & ACB_NORMAL) {
 284                         pstrcpy(add_script, lp_adduser_script());
 285                 } else if ( (delta->acb_info & ACB_WSTRUST) ||
 286                             (delta->acb_info & ACB_SVRTRUST) ) {
 287                         pstrcpy(add_script, lp_addmachine_script());
 288                 } else {
 289                         DEBUG(1, ("Unknown user type: %s\n",
 290                                   smbpasswd_encode_acb_info(delta->acb_info)));
 291                         pdb_free_sam(&sam_account);
 292                         return NT_STATUS_NO_SUCH_USER;
 293                 }
 294                 if (*add_script) {
 295                         int add_ret;
 296                         all_string_sub(add_script, "%u", account,
 297                                        sizeof(account));
 298                         add_ret = smbrun(add_script,NULL);
 299                         DEBUG(1,("fetch_account: Running the command `%s' "
 300                                  "gave %d\n", add_script, add_ret));
 301                 }
 302                 pw = getpwnam_alloc(account);
 303                 if (pw) {
 304                         nt_ret = pdb_init_sam_pw(&sam_account, pw);
 305
 306                         if (!NT_STATUS_IS_OK(nt_ret)) {
 307                                 passwd_free(&pw);
 308                                 pdb_free_sam(&sam_account);
 309                                 return nt_ret;
 310                         }
 311                         passwd_free(&pw);
 312                 } else {
 313                         DEBUG(3, ("Could not create account %s\n", account));
 314                         pdb_free_sam(&sam_account);
 315                         return NT_STATUS_NO_SUCH_USER;
 316                 }
 317         }
 318
 319         sam_account_from_delta(sam_account, delta);
 320
 321         if (!pdb_add_sam_account(sam_account)) {
 322                 DEBUG(1, ("SAM Account for %s already existed, updating\n",
 323                           account));
 324                 pdb_update_sam_account(sam_account);
 325         }
 326
 327         if (!get_group_map_from_sid(*pdb_get_group_sid(sam_account),
 328                                     &map, False)) {
 329                 DEBUG(0, ("Primary group of %s has no mapping!\n",
 330                           pdb_get_username(sam_account)));
 331                 pdb_free_sam(&sam_account);
 332                 return NT_STATUS_NO_SUCH_GROUP;
 333         }
 334
 335         if (!(grp = getgrgid(map.gid))) {
 336                 DEBUG(0, ("Could not find unix group %d\n", map.gid));
 337                 pdb_free_sam(&sam_account);
 338                 return NT_STATUS_NO_SUCH_GROUP;
 339         }
 340
 341         smb_set_primary_group(grp->gr_name, pdb_get_username(sam_account));
 342
 343         pdb_free_sam(&sam_account);
 344         return NT_STATUS_OK;
 345 }
 346
 347 static NTSTATUS
 348 fetch_group_info(uint32 rid, SAM_GROUP_INFO *delta)
 349 {
 350         fstring name;
 351         fstring comment;
 352         struct group *grp = NULL;
 353         DOM_SID group_sid;
 354         fstring sid_string;
 355         GROUP_MAP map;
 356         int flag = TDB_INSERT;
 357
 358         unistr2_to_ascii(name, &delta->uni_grp_name, sizeof(name)-1);
 359         unistr2_to_ascii(comment, &delta->uni_grp_desc, sizeof(comment)-1);
 360
 361         /* add the group to the mapping table */
 362         sid_copy(&group_sid, get_global_sam_sid());
 363         sid_append_rid(&group_sid, rid);
 364         sid_to_string(sid_string, &group_sid);
 365
 366         if (get_group_map_from_sid(group_sid, &map, False)) {
 367                 grp = getgrgid(map.gid);
 368                 flag = 0; /* Don't TDB_INSERT, mapping exists */
 369         }
 370
 371         if (grp == NULL)
 372         {
 373                 gid_t gid;
 374
 375                 /* No group found from mapping, find it from its name. */
 376                 if ((grp = getgrnam(name)) == NULL) {
 377                                 /* No appropriate group found, create one */
 378                         d_printf("Creating unix group: '%s'\n", name);
 379                         if (smb_create_group(name, &gid) != 0)
 380                                 return NT_STATUS_ACCESS_DENIED;
 381                         if ((grp = getgrgid(gid)) == NULL)
 382                                 return NT_STATUS_ACCESS_DENIED;
 383                 }
 384         }
 385
 386         map.gid = grp->gr_gid;
 387         map.sid = group_sid;
 388         map.sid_name_use = SID_NAME_DOM_GRP;
 389         fstrcpy(map.nt_name, name);
 390         fstrcpy(map.comment, comment);
 391
 392         map.priv_set.count = 0;
 393         map.priv_set.set = NULL;
 394
 395         add_mapping_entry(&map, flag);
 396
 397         return NT_STATUS_OK;
 398 }
 399
 400 static NTSTATUS
 401 fetch_group_mem_info(uint32 rid, SAM_GROUP_MEM_INFO *delta)
 402 {
 403         int i;
 404         TALLOC_CTX *t = NULL;
 405         char **nt_members = NULL;
 406         char **unix_members;
 407         DOM_SID group_sid;
 408         GROUP_MAP map;
 409         struct group *grp;
 410
 411         if (delta->num_members == 0) {
 412                 return NT_STATUS_OK;
 413         }
 414
 415         sid_copy(&group_sid, get_global_sam_sid());
 416         sid_append_rid(&group_sid, rid);
 417
 418         if (!get_domain_group_from_sid(group_sid, &map, False)) {
 419                 DEBUG(0, ("Could not find global group %d\n", rid));
 420                 return NT_STATUS_NO_SUCH_GROUP;
 421         }
 422
 423         if (!(grp = getgrgid(map.gid))) {
 424                 DEBUG(0, ("Could not find unix group %d\n", map.gid));
 425                 return NT_STATUS_NO_SUCH_GROUP;
 426         }
 427
 428         d_printf("Group members of %s: ", grp->gr_name);
 429
 430         if (!(t = talloc_init())) {
 431                 DEBUG(0, ("could not talloc_init\n"));
 432                 return NT_STATUS_NO_MEMORY;
 433         }
 434
 435         nt_members = talloc_zero(t, sizeof(char *) * delta->num_members);
 436
 437         for (i=0; i<delta->num_members; i++) {
 438                 NTSTATUS nt_status;
 439                 SAM_ACCOUNT *member = NULL;
 440                 DOM_SID member_sid;
 441
 442                 if (!NT_STATUS_IS_OK(nt_status = pdb_init_sam_talloc(t, &member))) {
 443                         talloc_destroy(t);
 444                         return nt_status;
 445                 }
 446
 447                 sid_copy(&member_sid, get_global_sam_sid());
 448                 sid_append_rid(&member_sid, delta->rids[i]);
 449
 450                 if (!pdb_getsampwsid(member, &member_sid)) {
 451                         DEBUG(1, ("Found bogus group member: %d\n",
 452                                   delta->rids[i]));
 453                         pdb_free_sam(&member);
 454                         continue;
 455                 }
 456
 457                 if (pdb_get_group_rid(member) == rid) {
 458                         d_printf("%s(primary),", pdb_get_username(member));
 459                         pdb_free_sam(&member);
 460                         continue;
 461                 }
 462
 463                 d_printf("%s,", pdb_get_username(member));
 464                 nt_members[i] = talloc_strdup(t, pdb_get_username(member));
 465                 pdb_free_sam(&member);
 466         }
 467
 468         d_printf("\n");
 469
 470         unix_members = grp->gr_mem;
 471
 472         while (*unix_members) {
 473                 BOOL is_nt_member = False;
 474                 for (i=0; i<delta->num_members; i++) {
 475                         if (nt_members[i] == NULL) {
 476                                 /* This was a primary group */
 477                                 continue;
 478                         }
 479
 480                         if (strcmp(*unix_members, nt_members[i]) == 0) {
 481                                 is_nt_member = True;
 482                                 break;
 483                         }
 484                 }
 485                 if (!is_nt_member) {
 486                         /* We look at a unix group member that is not
 487                            an nt group member. So, remove it. NT is
 488                            boss here. */
 489                         smb_delete_user_group(grp->gr_name, *unix_members);
 490                 }
 491                 unix_members += 1;
 492         }
 493
 494         for (i=0; i<delta->num_members; i++) {
 495                 BOOL is_unix_member = False;
 496
 497                 if (nt_members[i] == NULL) {
 498                         /* This was the primary group */
 499                         continue;
 500                 }
 501
 502                 unix_members = grp->gr_mem;
 503
 504                 while (*unix_members) {
 505                         if (strcmp(*unix_members, nt_members[i]) == 0) {
 506                                 is_unix_member = True;
 507                                 break;
 508                         }
 509                         unix_members += 1;
 510                 }
 511
 512                 if (!is_unix_member) {
 513                         /* We look at a nt group member that is not a
 514                            unix group member currently. So, add the nt
 515                            group member. */
 516                         smb_add_user_group(grp->gr_name, nt_members[i]);
 517                 }
 518         }
 519
 520         talloc_destroy(t);
 521         return NT_STATUS_OK;
 522 }
 523
 524 static NTSTATUS fetch_alias_info(uint32 rid, SAM_ALIAS_INFO *delta,
 525                                  DOM_SID dom_sid)
 526 {
 527         fstring name;
 528         fstring comment;
 529         struct group *grp = NULL;
 530         DOM_SID alias_sid;
 531         fstring sid_string;
 532         GROUP_MAP map;
 533         int insert_flag = TDB_INSERT;
 534
 535         unistr2_to_ascii(name, &delta->uni_als_name, sizeof(name)-1);
 536         unistr2_to_ascii(comment, &delta->uni_als_desc, sizeof(comment)-1);
 537
 538         /* Find out whether the group is already mapped */
 539         sid_copy(&alias_sid, &dom_sid);
 540         sid_append_rid(&alias_sid, rid);
 541         sid_to_string(sid_string, &alias_sid);
 542
 543         if (get_group_map_from_sid(alias_sid, &map, False)) {
 544                 grp = getgrgid(map.gid);
 545                 insert_flag = 0; /* Don't TDB_INSERT, mapping exists */
 546         }
 547
 548         if (grp == NULL) {
 549                 gid_t gid;
 550
 551                 /* No group found from mapping, find it from its name. */
 552                 if ((grp = getgrnam(name)) == NULL) {
 553                                 /* No appropriate group found, create one */
 554                         d_printf("Creating unix group: '%s'\n", name);
 555                         if (smb_create_group(name, &gid) != 0)
 556                                 return NT_STATUS_ACCESS_DENIED;
 557                         if ((grp = getgrgid(gid)) == NULL)
 558                                 return NT_STATUS_ACCESS_DENIED;
 559                 }
 560         }
 561
 562         map.gid = grp->gr_gid;
 563         map.sid = alias_sid;
 564
 565         if (sid_equal(&dom_sid, &global_sid_Builtin))
 566                 map.sid_name_use = SID_NAME_WKN_GRP;
 567         else
 568                 map.sid_name_use = SID_NAME_ALIAS;
 569
 570         fstrcpy(map.nt_name, name);
 571         fstrcpy(map.comment, comment);
 572
 573         map.priv_set.count = 0;
 574         map.priv_set.set = NULL;
 575
 576         add_mapping_entry(&map, insert_flag);
 577
 578         return NT_STATUS_OK;
 579 }
 580
 581 static NTSTATUS
 582 fetch_alias_mem(uint32 rid, SAM_ALIAS_MEM_INFO *delta, DOM_SID dom_sid)
 583 {
 584
 585         return NT_STATUS_OK;
 586 }
 587
 588 static void
 589 fetch_sam_entry(SAM_DELTA_HDR *hdr_delta, SAM_DELTA_CTR *delta,
 590                 DOM_SID dom_sid)
 591 {
 592         switch(hdr_delta->type) {
 593         case SAM_DELTA_ACCOUNT_INFO:
 594                 fetch_account_info(hdr_delta->target_rid,
 595                                    &delta->account_info);
 596                 break;
 597         case SAM_DELTA_GROUP_INFO:
 598                 fetch_group_info(hdr_delta->target_rid,
 599                                  &delta->group_info);
 600                 break;
 601         case SAM_DELTA_GROUP_MEM:
 602                 fetch_group_mem_info(hdr_delta->target_rid,
 603                                      &delta->grp_mem_info);
 604                 break;
 605         case SAM_DELTA_ALIAS_INFO:
 606                 fetch_alias_info(hdr_delta->target_rid,
 607                                  &delta->alias_info, dom_sid);
 608                 break;
 609         case SAM_DELTA_ALIAS_MEM:
 610                 fetch_alias_mem(hdr_delta->target_rid,
 611                                 &delta->als_mem_info, dom_sid);
 612                 break;
 613         default:
 614                 d_printf("Unknown delta record type %d\n", hdr_delta->type);
 615                 break;
 616         }
 617 }
 618
 619 static void
 620 fetch_database(struct cli_state *cli, unsigned db_type, DOM_CRED *ret_creds,
 621                DOM_SID dom_sid)
 622 {
 623         unsigned last_rid = -1;
 624         NTSTATUS result;
 625         int i;
 626         TALLOC_CTX *mem_ctx;
 627         SAM_DELTA_HDR *hdr_deltas;
 628         SAM_DELTA_CTR *deltas;
 629         uint32 num_deltas;
 630
 631         if (!(mem_ctx = talloc_init())) {
 632                 return;
 633         }
 634
 635         d_printf("Fetching database %u\n", db_type);
 636
 637         do {
 638                 result = cli_netlogon_sam_sync(cli, mem_ctx, ret_creds,
 639                                                db_type, last_rid+1,
 640                                                &num_deltas,
 641                                                &hdr_deltas, &deltas);
 642                 clnt_deal_with_creds(cli->sess_key, &(cli->clnt_cred),
 643                                      ret_creds);
 644                 last_rid = 0;
 645                 for (i = 0; i < num_deltas; i++) {
 646                         fetch_sam_entry(&hdr_deltas[i], &deltas[i], dom_sid);
 647                         last_rid = hdr_deltas[i].target_rid;
 648                 }
 649         } while (last_rid && NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES));
 650
 651         talloc_destroy(mem_ctx);
 652 }
 653
 654 /* dump sam database via samsync rpc calls */
 655 int rpc_vampire(int argc, const char **argv)
 656 {
 657         NTSTATUS result;
 658         struct cli_state *cli = NULL;
 659         uchar trust_password[16];
 660         DOM_CRED ret_creds;
 661         uint32 neg_flags = 0x000001ff;
 662         DOM_SID dom_sid;
 663
 664         ZERO_STRUCT(ret_creds);
 665
 666         /* Connect to remote machine */
 667         if (!(cli = net_make_ipc_connection(NET_FLAGS_ANONYMOUS |
 668                                             NET_FLAGS_PDC))) {
 669                 return 1;
 670         }
 671
 672         if (!cli_nt_session_open(cli, PIPE_NETLOGON)) {
 673                 DEBUG(0,("Error connecting to NETLOGON pipe\n"));
 674                 goto fail;
 675         }
 676
 677         if (!secrets_fetch_trust_account_password(lp_workgroup(),
 678                                                   trust_password, NULL)) {
 679                 d_printf("Could not retrieve domain trust secret");
 680                 goto fail;
 681         }
 682
 683         result = cli_nt_setup_creds(cli, SEC_CHAN_BDC,  trust_password,
 684                                     &neg_flags, 2);
 685         if (!NT_STATUS_IS_OK(result)) {
 686                 d_printf("Failed to setup BDC creds\n");
 687                 goto fail;
 688         }
 689
 690         dom_sid = *get_global_sam_sid();
 691         fetch_database(cli, SAM_DATABASE_DOMAIN, &ret_creds, dom_sid);
 692
 693         sid_copy(&dom_sid, &global_sid_Builtin);
 694         fetch_database(cli, SAM_DATABASE_BUILTIN, &ret_creds, dom_sid);
 695
 696         /* Currently we crash on PRIVS somewhere in unmarshalling */
 697         /* Dump_database(cli, SAM_DATABASE_PRIVS, &ret_creds); */
 698
 699         cli_nt_session_close(cli);
 700
 701         return 0;
 702
 703 fail:
 704         if (cli) {
 705                 cli_nt_session_close(cli);
 706         }
 707         return -1;
 708 }