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         static uchar zero_buf[16];
  60
  61         /* Decode hashes from password hash (if they are not NULL) */
  62
  63         if (memcmp(a->pass.buf_lm_pwd, zero_buf, 16) != 0) {
  64                 sam_pwd_hash(a->user_rid, a->pass.buf_lm_pwd, lm_passwd, 0);
  65                 smbpasswd_sethexpwd(hex_lm_passwd, lm_passwd, a->acb_info);
  66         } else {
  67                 smbpasswd_sethexpwd(hex_lm_passwd, NULL, 0);
  68         }
  69
  70         if (memcmp(a->pass.buf_nt_pwd, zero_buf, 16) != 0) {
  71                 sam_pwd_hash(a->user_rid, a->pass.buf_nt_pwd, nt_passwd, 0);
  72                 smbpasswd_sethexpwd(hex_nt_passwd, nt_passwd, a->acb_info);
  73         } else {
  74                 smbpasswd_sethexpwd(hex_nt_passwd, NULL, 0);
  75         }
  76
  77         printf("%s:%d:%s:%s:%s:LCT-0\n", unistr2_static(&a->uni_acct_name),
  78                a->user_rid, hex_lm_passwd, hex_nt_passwd,
  79                smbpasswd_encode_acb_info(a->acb_info));
  80 }
  81
  82 static void display_domain_info(SAM_DOMAIN_INFO *a)
  83 {
  84         d_printf("Domain name: %s\n", unistr2_static(&a->uni_dom_name));
  85 }
  86
  87 static void display_group_info(uint32 rid, SAM_GROUP_INFO *a)
  88 {
  89         d_printf("Group '%s' ", unistr2_static(&a->uni_grp_name));
  90         d_printf("desc='%s', rid=%u\n", unistr2_static(&a->uni_grp_desc), rid);
  91 }
  92
  93 static void display_sam_entry(SAM_DELTA_HDR *hdr_delta, SAM_DELTA_CTR *delta)
  94 {
  95         switch (hdr_delta->type) {
  96         case SAM_DELTA_ACCOUNT_INFO:
  97                 display_account_info(hdr_delta->target_rid, &delta->account_info);
  98                 break;
  99         case SAM_DELTA_GROUP_MEM:
 100                 display_group_mem_info(hdr_delta->target_rid, &delta->grp_mem_info);
 101                 break;
 102         case SAM_DELTA_ALIAS_INFO:
 103                 display_alias_info(hdr_delta->target_rid, &delta->alias_info);
 104                 break;
 105         case SAM_DELTA_ALIAS_MEM:
 106                 display_alias_mem(hdr_delta->target_rid, &delta->als_mem_info);
 107                 break;
 108         case SAM_DELTA_DOMAIN_INFO:
 109                 display_domain_info(&delta->domain_info);
 110                 break;
 111         case SAM_DELTA_GROUP_INFO:
 112                 display_group_info(hdr_delta->target_rid, &delta->group_info);
 113                 break;
 114                 /* The following types are recognised but not handled */
 115         case SAM_DELTA_RENAME_GROUP:
 116                 d_printf("SAM_DELTA_RENAME_GROUP not handled\n");
 117                 break;
 118         case SAM_DELTA_RENAME_USER:
 119                 d_printf("SAM_DELTA_RENAME_USER not handled\n");
 120                 break;
 121         case SAM_DELTA_RENAME_ALIAS:
 122                 d_printf("SAM_DELTA_RENAME_ALIAS not handled\n");
 123                 break;
 124         case SAM_DELTA_POLICY_INFO:
 125                 d_printf("SAM_DELTA_POLICY_INFO not handled\n");
 126                 break;
 127         case SAM_DELTA_TRUST_DOMS:
 128                 d_printf("SAM_DELTA_TRUST_DOMS not handled\n");
 129                 break;
 130         case SAM_DELTA_PRIVS_INFO:
 131                 d_printf("SAM_DELTA_PRIVS_INFO not handled\n");
 132                 break;
 133         case SAM_DELTA_SECRET_INFO:
 134                 d_printf("SAM_DELTA_SECRET_INFO not handled\n");
 135                 break;
 136         case SAM_DELTA_DELETE_GROUP:
 137                 d_printf("SAM_DELTA_DELETE_GROUP not handled\n");
 138                 break;
 139         case SAM_DELTA_DELETE_USER:
 140                 d_printf("SAM_DELTA_DELETE_USER not handled\n");
 141                 break;
 142         case SAM_DELTA_MODIFIED_COUNT:
 143                 d_printf("SAM_DELTA_MODIFIED_COUNT not handled\n");
 144                 break;
 145         default:
 146                 d_printf("Unknown delta record type %d\n", hdr_delta->type);
 147                 break;
 148         }
 149 }
 150
 151
 152 static void dump_database(struct cli_state *cli, unsigned db_type, DOM_CRED *ret_creds)
 153 {
 154         unsigned sync_context = 0;
 155         NTSTATUS result;
 156         int i;
 157         TALLOC_CTX *mem_ctx;
 158         SAM_DELTA_HDR *hdr_deltas;
 159         SAM_DELTA_CTR *deltas;
 160         uint32 num_deltas;
 161
 162         if (!(mem_ctx = talloc_init("dump_database"))) {
 163                 return;
 164         }
 165
 166         switch( db_type ) {
 167         case SAM_DATABASE_DOMAIN:
 168                 d_printf("Dumping DOMAIN database\n");
 169                 break;
 170         case SAM_DATABASE_BUILTIN:
 171                 d_printf("Dumping BUILTIN database\n");
 172                 break;
 173         case SAM_DATABASE_PRIVS:
 174                 d_printf("Dumping PRIVS databases\n");
 175                 break;
 176         default:
 177                 d_printf("Dumping unknown database type %u\n", db_type );
 178                 break;
 179         }
 180
 181         do {
 182                 result = cli_netlogon_sam_sync(cli, mem_ctx, ret_creds, db_type,
 183                                                sync_context,
 184                                                &num_deltas, &hdr_deltas, &deltas);
 185                 clnt_deal_with_creds(cli->sess_key, &(cli->clnt_cred), ret_creds);
 186                 for (i = 0; i < num_deltas; i++) {
 187                         display_sam_entry(&hdr_deltas[i], &deltas[i]);
 188                 }
 189                 sync_context += 1;
 190         } while (NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES));
 191
 192         talloc_destroy(mem_ctx);
 193 }
 194
 195 /* dump sam database via samsync rpc calls */
 196 int rpc_samdump(int argc, const char **argv)
 197 {
 198         NTSTATUS result;
 199         struct cli_state *cli = NULL;
 200         uchar trust_password[16];
 201         DOM_CRED ret_creds;
 202         uint32 neg_flags = 0x000001ff;
 203
 204
 205         ZERO_STRUCT(ret_creds);
 206
 207         /* Connect to remote machine */
 208         if (!(cli = net_make_ipc_connection(NET_FLAGS_ANONYMOUS | NET_FLAGS_PDC))) {
 209                 return 1;
 210         }
 211
 212         if (!cli_nt_session_open(cli, PI_NETLOGON)) {
 213                 DEBUG(0,("Error connecting to NETLOGON pipe\n"));
 214                 goto fail;
 215         }
 216
 217         if (!secrets_fetch_trust_account_password(lp_workgroup(), trust_password, NULL)) {
 218                 d_printf("Could not retrieve domain trust secret\n");
 219                 goto fail;
 220         }
 221
 222         result = cli_nt_setup_creds(cli, SEC_CHAN_BDC,  trust_password, &neg_flags, 2);
 223         if (!NT_STATUS_IS_OK(result)) {
 224                 d_printf("Failed to setup BDC creds\n");
 225                 goto fail;
 226         }
 227
 228         dump_database(cli, SAM_DATABASE_DOMAIN, &ret_creds);
 229         dump_database(cli, SAM_DATABASE_BUILTIN, &ret_creds);
 230         dump_database(cli, SAM_DATABASE_PRIVS, &ret_creds);
 231
 232         cli_nt_session_close(cli);
 233
 234         return 0;
 235
 236 fail:
 237         if (cli) {
 238                 cli_nt_session_close(cli);
 239         }
 240         return -1;
 241 }
 242
 243 /* Convert a SAM_ACCOUNT_DELTA to a SAM_ACCOUNT. */
 244 #define STRING_CHANGED (old_string && !new_string) ||\
 245                     (!old_string && new_string) ||\
 246                 (old_string && new_string && (strcmp(old_string, new_string) != 0))
 247
 248 static NTSTATUS
 249 sam_account_from_delta(SAM_ACCOUNT *account, SAM_ACCOUNT_INFO *delta)
 250 {
 251         const char *old_string, *new_string;
 252         time_t unix_time, stored_time;
 253         uchar lm_passwd[16], nt_passwd[16];
 254         static uchar zero_buf[16];
 255
 256         /* Username, fullname, home dir, dir drive, logon script, acct
 257            desc, workstations, profile. */
 258
 259         if (delta->hdr_acct_name.buffer) {
 260                 old_string = pdb_get_nt_username(account);
 261                 new_string = unistr2_static(&delta->uni_acct_name);
 262
 263                 if (STRING_CHANGED) {
 264                         pdb_set_nt_username(account, new_string, PDB_CHANGED);
 265
 266                 }
 267
 268                 /* Unix username is the same - for sanity */
 269                 old_string = pdb_get_username( account );
 270                 if (STRING_CHANGED) {
 271                         pdb_set_username(account, new_string, PDB_CHANGED);
 272                 }
 273         }
 274
 275         if (delta->hdr_full_name.buffer) {
 276                 old_string = pdb_get_fullname(account);
 277                 new_string = unistr2_static(&delta->uni_full_name);
 278
 279                 if (STRING_CHANGED)
 280                         pdb_set_fullname(account, new_string, PDB_CHANGED);
 281         }
 282
 283         if (delta->hdr_home_dir.buffer) {
 284                 old_string = pdb_get_homedir(account);
 285                 new_string = unistr2_static(&delta->uni_home_dir);
 286
 287                 if (STRING_CHANGED)
 288                         pdb_set_homedir(account, new_string, PDB_CHANGED);
 289         }
 290
 291         if (delta->hdr_dir_drive.buffer) {
 292                 old_string = pdb_get_dir_drive(account);
 293                 new_string = unistr2_static(&delta->uni_dir_drive);
 294
 295                 if (STRING_CHANGED)
 296                         pdb_set_dir_drive(account, new_string, PDB_CHANGED);
 297         }
 298
 299         if (delta->hdr_logon_script.buffer) {
 300                 old_string = pdb_get_logon_script(account);
 301                 new_string = unistr2_static(&delta->uni_logon_script);
 302
 303                 if (STRING_CHANGED)
 304                         pdb_set_logon_script(account, new_string, PDB_CHANGED);
 305         }
 306
 307         if (delta->hdr_acct_desc.buffer) {
 308                 old_string = pdb_get_acct_desc(account);
 309                 new_string = unistr2_static(&delta->uni_acct_desc);
 310
 311                 if (STRING_CHANGED)
 312                         pdb_set_acct_desc(account, new_string, PDB_CHANGED);
 313         }
 314
 315         if (delta->hdr_workstations.buffer) {
 316                 old_string = pdb_get_workstations(account);
 317                 new_string = unistr2_static(&delta->uni_workstations);
 318
 319                 if (STRING_CHANGED)
 320                         pdb_set_workstations(account, new_string, PDB_CHANGED);
 321         }
 322
 323         if (delta->hdr_profile.buffer) {
 324                 old_string = pdb_get_profile_path(account);
 325                 new_string = unistr2_static(&delta->uni_profile);
 326
 327                 if (STRING_CHANGED)
 328                         pdb_set_profile_path(account, new_string, PDB_CHANGED);
 329         }
 330
 331         /* User and group sid */
 332         if (pdb_get_user_rid(account) != delta->user_rid)
 333                 pdb_set_user_sid_from_rid(account, delta->user_rid, PDB_CHANGED);
 334         if (pdb_get_group_rid(account) != delta->group_rid)
 335                 pdb_set_group_sid_from_rid(account, delta->group_rid, PDB_CHANGED);
 336
 337         /* Logon and password information */
 338         if (!nt_time_is_zero(&delta->logon_time)) {
 339                 unix_time = nt_time_to_unix(&delta->logon_time);
 340                 stored_time = pdb_get_logon_time(account);
 341                 if (stored_time != unix_time)
 342                         pdb_set_logon_time(account, unix_time, PDB_CHANGED);
 343         }
 344
 345         if (!nt_time_is_zero(&delta->logoff_time)) {
 346                 unix_time = nt_time_to_unix(&delta->logoff_time);
 347                 stored_time = pdb_get_logoff_time(account);
 348                 if (stored_time != unix_time)
 349                         pdb_set_logoff_time(account, unix_time,PDB_CHANGED);
 350         }
 351
 352         if (pdb_get_logon_divs(account) != delta->logon_divs)
 353                 pdb_set_logon_divs(account, delta->logon_divs, PDB_CHANGED);
 354
 355         /* TODO: logon hours */
 356         /* TODO: bad password count */
 357         /* TODO: logon count */
 358
 359         if (!nt_time_is_zero(&delta->pwd_last_set_time)) {
 360                 unix_time = nt_time_to_unix(&delta->pwd_last_set_time);
 361                 stored_time = pdb_get_pass_last_set_time(account);
 362                 if (stored_time != unix_time)
 363                         pdb_set_pass_last_set_time(account, unix_time, PDB_CHANGED);
 364         }
 365
 366 #if 0
 367         /* No kickoff time in the delta? */
 368         if (!nt_time_is_zero(&delta->kickoff_time)) {
 369                 unix_time = nt_time_to_unix(&delta->kickoff_time);
 370                 stored_time = pdb_get_kickoff_time(account);
 371                 if (stored_time != unix_time)
 372                         pdb_set_kickoff_time(account, unix_time, PDB_CHANGED);
 373         }
 374 #endif
 375
 376         /* Decode hashes from password hash
 377            Note that win2000 may send us all zeros for the hashes if it doesn't
 378            think this channel is secure enough - don't set the passwords at all
 379            in that case
 380         */
 381         if (memcmp(delta->pass.buf_lm_pwd, zero_buf, 16) != 0) {
 382                 sam_pwd_hash(delta->user_rid, delta->pass.buf_lm_pwd, lm_passwd, 0);
 383                 pdb_set_lanman_passwd(account, lm_passwd, PDB_CHANGED);
 384         }
 385
 386         if (memcmp(delta->pass.buf_nt_pwd, zero_buf, 16) != 0) {
 387                 sam_pwd_hash(delta->user_rid, delta->pass.buf_nt_pwd, nt_passwd, 0);
 388                 pdb_set_nt_passwd(account, nt_passwd, PDB_CHANGED);
 389         }
 390
 391         /* TODO: account expiry time */
 392
 393         if (pdb_get_acct_ctrl(account) != delta->acb_info)
 394                 pdb_set_acct_ctrl(account, delta->acb_info, PDB_CHANGED);
 395
 396         pdb_set_domain(account, lp_workgroup(), PDB_CHANGED);
 397
 398         return NT_STATUS_OK;
 399 }
 400
 401 static NTSTATUS
 402 fetch_account_info(uint32 rid, SAM_ACCOUNT_INFO *delta)
 403 {
 404         NTSTATUS nt_ret;
 405         fstring account;
 406         pstring add_script;
 407         SAM_ACCOUNT *sam_account=NULL;
 408         GROUP_MAP map;
 409         struct group *grp;
 410         DOM_SID sid;
 411         BOOL try_add = False;
 412
 413         fstrcpy(account, unistr2_static(&delta->uni_acct_name));
 414         d_printf("Creating account: %s\n", account);
 415
 416         if (!NT_STATUS_IS_OK(nt_ret = pdb_init_sam(&sam_account)))
 417                 return nt_ret;
 418
 419         if (!pdb_getsampwnam(sam_account, account)) {
 420                 /* Create appropriate user */
 421                 if (delta->acb_info & ACB_NORMAL) {
 422                         pstrcpy(add_script, lp_adduser_script());
 423                 } else if ( (delta->acb_info & ACB_WSTRUST) ||
 424                             (delta->acb_info & ACB_SVRTRUST) ||
 425                             (delta->acb_info & ACB_DOMTRUST) ) {
 426                         pstrcpy(add_script, lp_addmachine_script());
 427                 } else {
 428                         DEBUG(1, ("Unknown user type: %s\n",
 429                                   smbpasswd_encode_acb_info(delta->acb_info)));
 430                         pdb_free_sam(&sam_account);
 431                         return NT_STATUS_NO_SUCH_USER;
 432                 }
 433                 if (*add_script) {
 434                         int add_ret;
 435                         all_string_sub(add_script, "%u", account,
 436                                        sizeof(account));
 437                         add_ret = smbrun(add_script,NULL);
 438                         DEBUG(1,("fetch_account: Running the command `%s' "
 439                                  "gave %d\n", add_script, add_ret));
 440                 }
 441
 442                 try_add = True;
 443         }
 444
 445         sam_account_from_delta(sam_account, delta);
 446
 447         if (try_add) {
 448                 if (!pdb_add_sam_account(sam_account)) {
 449                         DEBUG(1, ("SAM Account for %s failed to be added to the passdb!\n",
 450                                   account));
 451                 }
 452         } else {
 453                 if (!pdb_update_sam_account(sam_account)) {
 454                         DEBUG(1, ("SAM Account for %s failed to be updated in the passdb!\n",
 455                                   account));
 456                 }
 457         }
 458
 459         sid = *pdb_get_group_sid(sam_account);
 460
 461         if (!pdb_getgrsid(&map, sid, False)) {
 462                 DEBUG(0, ("Primary group of %s has no mapping!\n",
 463                           pdb_get_username(sam_account)));
 464                 pdb_free_sam(&sam_account);
 465                 return NT_STATUS_NO_SUCH_GROUP;
 466         }
 467
 468         if (!(grp = getgrgid(map.gid))) {
 469                 DEBUG(0, ("Could not find unix group %d for user %s (group SID=%s)\n",
 470                           map.gid, pdb_get_username(sam_account), sid_string_static(&sid)));
 471                 pdb_free_sam(&sam_account);
 472                 return NT_STATUS_NO_SUCH_GROUP;
 473         }
 474
 475         smb_set_primary_group(grp->gr_name, pdb_get_username(sam_account));
 476
 477         pdb_free_sam(&sam_account);
 478         return NT_STATUS_OK;
 479 }
 480
 481 static NTSTATUS
 482 fetch_group_info(uint32 rid, SAM_GROUP_INFO *delta)
 483 {
 484         fstring name;
 485         fstring comment;
 486         struct group *grp = NULL;
 487         DOM_SID group_sid;
 488         fstring sid_string;
 489         GROUP_MAP map;
 490         BOOL insert = True;
 491
 492         unistr2_to_ascii(name, &delta->uni_grp_name, sizeof(name)-1);
 493         unistr2_to_ascii(comment, &delta->uni_grp_desc, sizeof(comment)-1);
 494
 495         /* add the group to the mapping table */
 496         sid_copy(&group_sid, get_global_sam_sid());
 497         sid_append_rid(&group_sid, rid);
 498         sid_to_string(sid_string, &group_sid);
 499
 500         if (pdb_getgrsid(&map, group_sid, False)) {
 501                 grp = getgrgid(map.gid);
 502                 insert = False;
 503         }
 504
 505         if (grp == NULL)
 506         {
 507                 gid_t gid;
 508
 509                 /* No group found from mapping, find it from its name. */
 510                 if ((grp = getgrnam(name)) == NULL) {
 511                         /* No appropriate group found, create one */
 512                         d_printf("Creating unix group: '%s'\n", name);
 513                         if (smb_create_group(name, &gid) != 0)
 514                                 return NT_STATUS_ACCESS_DENIED;
 515                         if ((grp = getgrgid(gid)) == NULL)
 516                                 return NT_STATUS_ACCESS_DENIED;
 517                 }
 518         }
 519
 520         map.gid = grp->gr_gid;
 521         map.sid = group_sid;
 522         map.sid_name_use = SID_NAME_DOM_GRP;
 523         fstrcpy(map.nt_name, name);
 524         fstrcpy(map.comment, comment);
 525
 526         map.priv_set.count = 0;
 527         map.priv_set.set = NULL;
 528
 529         if (insert)
 530                 pdb_add_group_mapping_entry(&map);
 531         else
 532                 pdb_update_group_mapping_entry(&map);
 533
 534         return NT_STATUS_OK;
 535 }
 536
 537 static NTSTATUS
 538 fetch_group_mem_info(uint32 rid, SAM_GROUP_MEM_INFO *delta)
 539 {
 540         int i;
 541         TALLOC_CTX *t = NULL;
 542         char **nt_members = NULL;
 543         char **unix_members;
 544         DOM_SID group_sid;
 545         GROUP_MAP map;
 546         struct group *grp;
 547
 548         if (delta->num_members == 0) {
 549                 return NT_STATUS_OK;
 550         }
 551
 552         sid_copy(&group_sid, get_global_sam_sid());
 553         sid_append_rid(&group_sid, rid);
 554
 555         if (!get_domain_group_from_sid(group_sid, &map, False)) {
 556                 DEBUG(0, ("Could not find global group %d\n", rid));
 557                 return NT_STATUS_NO_SUCH_GROUP;
 558         }
 559
 560         if (!(grp = getgrgid(map.gid))) {
 561                 DEBUG(0, ("Could not find unix group %d\n", map.gid));
 562                 return NT_STATUS_NO_SUCH_GROUP;
 563         }
 564
 565         d_printf("Group members of %s: ", grp->gr_name);
 566
 567         if (!(t = talloc_init("fetch_group_mem_info"))) {
 568                 DEBUG(0, ("could not talloc_init\n"));
 569                 return NT_STATUS_NO_MEMORY;
 570         }
 571
 572         nt_members = talloc_zero(t, sizeof(char *) * delta->num_members);
 573
 574         for (i=0; i<delta->num_members; i++) {
 575                 NTSTATUS nt_status;
 576                 SAM_ACCOUNT *member = NULL;
 577                 DOM_SID member_sid;
 578
 579                 if (!NT_STATUS_IS_OK(nt_status = pdb_init_sam_talloc(t, &member))) {
 580                         talloc_destroy(t);
 581                         return nt_status;
 582                 }
 583
 584                 sid_copy(&member_sid, get_global_sam_sid());
 585                 sid_append_rid(&member_sid, delta->rids[i]);
 586
 587                 if (!pdb_getsampwsid(member, &member_sid)) {
 588                         DEBUG(1, ("Found bogus group member: %d (member_sid=%s group=%s)\n",
 589                                   delta->rids[i], sid_string_static(&member_sid), grp->gr_name));
 590                         pdb_free_sam(&member);
 591                         continue;
 592                 }
 593
 594                 if (pdb_get_group_rid(member) == rid) {
 595                         d_printf("%s(primary),", pdb_get_username(member));
 596                         pdb_free_sam(&member);
 597                         continue;
 598                 }
 599
 600                 d_printf("%s,", pdb_get_username(member));
 601                 nt_members[i] = talloc_strdup(t, pdb_get_username(member));
 602                 pdb_free_sam(&member);
 603         }
 604
 605         d_printf("\n");
 606
 607         unix_members = grp->gr_mem;
 608
 609         while (*unix_members) {
 610                 BOOL is_nt_member = False;
 611                 for (i=0; i<delta->num_members; i++) {
 612                         if (nt_members[i] == NULL) {
 613                                 /* This was a primary group */
 614                                 continue;
 615                         }
 616
 617                         if (strcmp(*unix_members, nt_members[i]) == 0) {
 618                                 is_nt_member = True;
 619                                 break;
 620                         }
 621                 }
 622                 if (!is_nt_member) {
 623                         /* We look at a unix group member that is not
 624                            an nt group member. So, remove it. NT is
 625                            boss here. */
 626                         smb_delete_user_group(grp->gr_name, *unix_members);
 627                 }
 628                 unix_members += 1;
 629         }
 630
 631         for (i=0; i<delta->num_members; i++) {
 632                 BOOL is_unix_member = False;
 633
 634                 if (nt_members[i] == NULL) {
 635                         /* This was the primary group */
 636                         continue;
 637                 }
 638
 639                 unix_members = grp->gr_mem;
 640
 641                 while (*unix_members) {
 642                         if (strcmp(*unix_members, nt_members[i]) == 0) {
 643                                 is_unix_member = True;
 644                                 break;
 645                         }
 646                         unix_members += 1;
 647                 }
 648
 649                 if (!is_unix_member) {
 650                         /* We look at a nt group member that is not a
 651                            unix group member currently. So, add the nt
 652                            group member. */
 653                         smb_add_user_group(grp->gr_name, nt_members[i]);
 654                 }
 655         }
 656
 657         talloc_destroy(t);
 658         return NT_STATUS_OK;
 659 }
 660
 661 static NTSTATUS fetch_alias_info(uint32 rid, SAM_ALIAS_INFO *delta,
 662                                  DOM_SID dom_sid)
 663 {
 664         fstring name;
 665         fstring comment;
 666         struct group *grp = NULL;
 667         DOM_SID alias_sid;
 668         fstring sid_string;
 669         GROUP_MAP map;
 670         BOOL insert = True;
 671
 672         unistr2_to_ascii(name, &delta->uni_als_name, sizeof(name)-1);
 673         unistr2_to_ascii(comment, &delta->uni_als_desc, sizeof(comment)-1);
 674
 675         /* Find out whether the group is already mapped */
 676         sid_copy(&alias_sid, &dom_sid);
 677         sid_append_rid(&alias_sid, rid);
 678         sid_to_string(sid_string, &alias_sid);
 679
 680         if (pdb_getgrsid(&map, alias_sid, False)) {
 681                 grp = getgrgid(map.gid);
 682                 insert = False;
 683         }
 684
 685         if (grp == NULL) {
 686                 gid_t gid;
 687
 688                 /* No group found from mapping, find it from its name. */
 689                 if ((grp = getgrnam(name)) == NULL) {
 690                         /* No appropriate group found, create one */
 691                         d_printf("Creating unix group: '%s'\n", name);
 692                         if (smb_create_group(name, &gid) != 0)
 693                                 return NT_STATUS_ACCESS_DENIED;
 694                         if ((grp = getgrgid(gid)) == NULL)
 695                                 return NT_STATUS_ACCESS_DENIED;
 696                 }
 697         }
 698
 699         map.gid = grp->gr_gid;
 700         map.sid = alias_sid;
 701
 702         if (sid_equal(&dom_sid, &global_sid_Builtin))
 703                 map.sid_name_use = SID_NAME_WKN_GRP;
 704         else
 705                 map.sid_name_use = SID_NAME_ALIAS;
 706
 707         fstrcpy(map.nt_name, name);
 708         fstrcpy(map.comment, comment);
 709
 710         map.priv_set.count = 0;
 711         map.priv_set.set = NULL;
 712
 713         if (insert)
 714                 pdb_add_group_mapping_entry(&map);
 715         else
 716                 pdb_update_group_mapping_entry(&map);
 717
 718         return NT_STATUS_OK;
 719 }
 720
 721 static NTSTATUS
 722 fetch_alias_mem(uint32 rid, SAM_ALIAS_MEM_INFO *delta, DOM_SID dom_sid)
 723 {
 724
 725         return NT_STATUS_OK;
 726 }
 727
 728 static void
 729 fetch_sam_entry(SAM_DELTA_HDR *hdr_delta, SAM_DELTA_CTR *delta,
 730                 DOM_SID dom_sid)
 731 {
 732         switch(hdr_delta->type) {
 733         case SAM_DELTA_ACCOUNT_INFO:
 734                 fetch_account_info(hdr_delta->target_rid,
 735                                    &delta->account_info);
 736                 break;
 737         case SAM_DELTA_GROUP_INFO:
 738                 fetch_group_info(hdr_delta->target_rid,
 739                                  &delta->group_info);
 740                 break;
 741         case SAM_DELTA_GROUP_MEM:
 742                 fetch_group_mem_info(hdr_delta->target_rid,
 743                                      &delta->grp_mem_info);
 744                 break;
 745         case SAM_DELTA_ALIAS_INFO:
 746                 fetch_alias_info(hdr_delta->target_rid,
 747                                  &delta->alias_info, dom_sid);
 748                 break;
 749         case SAM_DELTA_ALIAS_MEM:
 750                 fetch_alias_mem(hdr_delta->target_rid,
 751                                 &delta->als_mem_info, dom_sid);
 752                 break;
 753         case SAM_DELTA_DOMAIN_INFO:
 754                 d_printf("SAMBA_DELTA_DOMAIN_INFO not handled\n");
 755                 break;
 756         default:
 757                 d_printf("Unknown delta record type %d\n", hdr_delta->type);
 758                 break;
 759         }
 760 }
 761
 762 static void
 763 fetch_database(struct cli_state *cli, unsigned db_type, DOM_CRED *ret_creds,
 764                DOM_SID dom_sid)
 765 {
 766         unsigned sync_context = 0;
 767         NTSTATUS result;
 768         int i;
 769         TALLOC_CTX *mem_ctx;
 770         SAM_DELTA_HDR *hdr_deltas;
 771         SAM_DELTA_CTR *deltas;
 772         uint32 num_deltas;
 773
 774         if (!(mem_ctx = talloc_init("fetch_database"))) {
 775                 return;
 776         }
 777
 778         switch( db_type ) {
 779         case SAM_DATABASE_DOMAIN:
 780                 d_printf("Fetching DOMAIN database\n");
 781                 break;
 782         case SAM_DATABASE_BUILTIN:
 783                 d_printf("Fetching BUILTIN database\n");
 784                 break;
 785         case SAM_DATABASE_PRIVS:
 786                 d_printf("Fetching PRIVS databases\n");
 787                 break;
 788         default:
 789                 d_printf("Fetching unknown database type %u\n", db_type );
 790                 break;
 791         }
 792
 793         do {
 794                 result = cli_netlogon_sam_sync(cli, mem_ctx, ret_creds,
 795                                                db_type, sync_context,
 796                                                &num_deltas,
 797                                                &hdr_deltas, &deltas);
 798                 clnt_deal_with_creds(cli->sess_key, &(cli->clnt_cred),
 799                                      ret_creds);
 800                 for (i = 0; i < num_deltas; i++) {
 801                         fetch_sam_entry(&hdr_deltas[i], &deltas[i], dom_sid);
 802                 }
 803                 sync_context += 1;
 804         } while (NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES));
 805
 806         talloc_destroy(mem_ctx);
 807 }
 808
 809 /* dump sam database via samsync rpc calls */
 810 int rpc_vampire(int argc, const char **argv)
 811 {
 812         NTSTATUS result;
 813         struct cli_state *cli = NULL;
 814         uchar trust_password[16];
 815         DOM_CRED ret_creds;
 816         uint32 neg_flags = 0x000001ff;
 817         DOM_SID dom_sid;
 818
 819         ZERO_STRUCT(ret_creds);
 820
 821         /* Connect to remote machine */
 822         if (!(cli = net_make_ipc_connection(NET_FLAGS_ANONYMOUS |
 823                                             NET_FLAGS_PDC))) {
 824                 return 1;
 825         }
 826
 827         if (!cli_nt_session_open(cli, PI_NETLOGON)) {
 828                 DEBUG(0,("Error connecting to NETLOGON pipe\n"));
 829                 goto fail;
 830         }
 831
 832         if (!secrets_fetch_trust_account_password(lp_workgroup(),
 833                                                   trust_password, NULL)) {
 834                 d_printf("Could not retrieve domain trust secret\n");
 835                 goto fail;
 836         }
 837
 838         result = cli_nt_setup_creds(cli, SEC_CHAN_BDC,  trust_password,
 839                                     &neg_flags, 2);
 840         if (!NT_STATUS_IS_OK(result)) {
 841                 d_printf("Failed to setup BDC creds\n");
 842                 goto fail;
 843         }
 844
 845         dom_sid = *get_global_sam_sid();
 846         fetch_database(cli, SAM_DATABASE_DOMAIN, &ret_creds, dom_sid);
 847
 848         sid_copy(&dom_sid, &global_sid_Builtin);
 849         fetch_database(cli, SAM_DATABASE_BUILTIN, &ret_creds, dom_sid);
 850
 851         /* Currently we crash on PRIVS somewhere in unmarshalling */
 852         /* Dump_database(cli, SAM_DATABASE_PRIVS, &ret_creds); */
 853
 854         cli_nt_session_close(cli);
 855
 856         return 0;
 857
 858 fail:
 859         if (cli) {
 860                 cli_nt_session_close(cli);
 861         }
 862         return -1;
 863 }