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         struct cli_state *cli = NULL;
 199         uchar trust_password[16];
 200         DOM_CRED ret_creds;
 201         uint32 sec_channel;
 202
 203         ZERO_STRUCT(ret_creds);
 204
 205         /* Connect to remote machine */
 206         if (!(cli = net_make_ipc_connection(NET_FLAGS_ANONYMOUS | NET_FLAGS_PDC))) {
 207                 return 1;
 208         }
 209
 210         fstrcpy(cli->domain, lp_workgroup());
 211
 212         if (!cli_nt_session_open(cli, PI_NETLOGON)) {
 213                 DEBUG(0,("Could not open connection to NETLOGON pipe\n"));
 214                 goto fail;
 215         }
 216
 217         if (!secrets_fetch_trust_account_password(lp_workgroup(),
 218                                                   trust_password,
 219                                                   NULL, &sec_channel)) {
 220                 DEBUG(0,("Could not fetch trust account password\n"));
 221                 goto fail;
 222         }
 223
 224         if (!NT_STATUS_IS_OK(cli_nt_establish_netlogon(cli, sec_channel,
 225                                                        trust_password))) {
 226                 DEBUG(0,("Error connecting to NETLOGON pipe\n"));
 227                 goto fail;
 228         }
 229
 230         dump_database(cli, SAM_DATABASE_DOMAIN, &ret_creds);
 231         dump_database(cli, SAM_DATABASE_BUILTIN, &ret_creds);
 232         dump_database(cli, SAM_DATABASE_PRIVS, &ret_creds);
 233
 234         cli_nt_session_close(cli);
 235
 236         return 0;
 237
 238 fail:
 239         if (cli) {
 240                 cli_nt_session_close(cli);
 241         }
 242         return -1;
 243 }
 244
 245 /* Convert a SAM_ACCOUNT_DELTA to a SAM_ACCOUNT. */
 246 #define STRING_CHANGED (old_string && !new_string) ||\
 247                     (!old_string && new_string) ||\
 248                 (old_string && new_string && (strcmp(old_string, new_string) != 0))
 249
 250 static NTSTATUS
 251 sam_account_from_delta(SAM_ACCOUNT *account, SAM_ACCOUNT_INFO *delta)
 252 {
 253         const char *old_string, *new_string;
 254         time_t unix_time, stored_time;
 255         uchar lm_passwd[16], nt_passwd[16];
 256         static uchar zero_buf[16];
 257
 258         /* Username, fullname, home dir, dir drive, logon script, acct
 259            desc, workstations, profile. */
 260
 261         if (delta->hdr_acct_name.buffer) {
 262                 old_string = pdb_get_nt_username(account);
 263                 new_string = unistr2_static(&delta->uni_acct_name);
 264
 265                 if (STRING_CHANGED) {
 266                         pdb_set_nt_username(account, new_string, PDB_CHANGED);
 267
 268                 }
 269
 270                 /* Unix username is the same - for sanity */
 271                 old_string = pdb_get_username( account );
 272                 if (STRING_CHANGED) {
 273                         pdb_set_username(account, new_string, PDB_CHANGED);
 274                 }
 275         }
 276
 277         if (delta->hdr_full_name.buffer) {
 278                 old_string = pdb_get_fullname(account);
 279                 new_string = unistr2_static(&delta->uni_full_name);
 280
 281                 if (STRING_CHANGED)
 282                         pdb_set_fullname(account, new_string, PDB_CHANGED);
 283         }
 284
 285         if (delta->hdr_home_dir.buffer) {
 286                 old_string = pdb_get_homedir(account);
 287                 new_string = unistr2_static(&delta->uni_home_dir);
 288
 289                 if (STRING_CHANGED)
 290                         pdb_set_homedir(account, new_string, PDB_CHANGED);
 291         }
 292
 293         if (delta->hdr_dir_drive.buffer) {
 294                 old_string = pdb_get_dir_drive(account);
 295                 new_string = unistr2_static(&delta->uni_dir_drive);
 296
 297                 if (STRING_CHANGED)
 298                         pdb_set_dir_drive(account, new_string, PDB_CHANGED);
 299         }
 300
 301         if (delta->hdr_logon_script.buffer) {
 302                 old_string = pdb_get_logon_script(account);
 303                 new_string = unistr2_static(&delta->uni_logon_script);
 304
 305                 if (STRING_CHANGED)
 306                         pdb_set_logon_script(account, new_string, PDB_CHANGED);
 307         }
 308
 309         if (delta->hdr_acct_desc.buffer) {
 310                 old_string = pdb_get_acct_desc(account);
 311                 new_string = unistr2_static(&delta->uni_acct_desc);
 312
 313                 if (STRING_CHANGED)
 314                         pdb_set_acct_desc(account, new_string, PDB_CHANGED);
 315         }
 316
 317         if (delta->hdr_workstations.buffer) {
 318                 old_string = pdb_get_workstations(account);
 319                 new_string = unistr2_static(&delta->uni_workstations);
 320
 321                 if (STRING_CHANGED)
 322                         pdb_set_workstations(account, new_string, PDB_CHANGED);
 323         }
 324
 325         if (delta->hdr_profile.buffer) {
 326                 old_string = pdb_get_profile_path(account);
 327                 new_string = unistr2_static(&delta->uni_profile);
 328
 329                 if (STRING_CHANGED)
 330                         pdb_set_profile_path(account, new_string, PDB_CHANGED);
 331         }
 332
 333         /* User and group sid */
 334         if (pdb_get_user_rid(account) != delta->user_rid)
 335                 pdb_set_user_sid_from_rid(account, delta->user_rid, PDB_CHANGED);
 336         if (pdb_get_group_rid(account) != delta->group_rid)
 337                 pdb_set_group_sid_from_rid(account, delta->group_rid, PDB_CHANGED);
 338
 339         /* Logon and password information */
 340         if (!nt_time_is_zero(&delta->logon_time)) {
 341                 unix_time = nt_time_to_unix(&delta->logon_time);
 342                 stored_time = pdb_get_logon_time(account);
 343                 if (stored_time != unix_time)
 344                         pdb_set_logon_time(account, unix_time, PDB_CHANGED);
 345         }
 346
 347         if (!nt_time_is_zero(&delta->logoff_time)) {
 348                 unix_time = nt_time_to_unix(&delta->logoff_time);
 349                 stored_time = pdb_get_logoff_time(account);
 350                 if (stored_time != unix_time)
 351                         pdb_set_logoff_time(account, unix_time,PDB_CHANGED);
 352         }
 353
 354         if (pdb_get_logon_divs(account) != delta->logon_divs)
 355                 pdb_set_logon_divs(account, delta->logon_divs, PDB_CHANGED);
 356
 357         /* TODO: logon hours */
 358         /* TODO: bad password count */
 359         /* TODO: logon count */
 360
 361         if (!nt_time_is_zero(&delta->pwd_last_set_time)) {
 362                 unix_time = nt_time_to_unix(&delta->pwd_last_set_time);
 363                 stored_time = pdb_get_pass_last_set_time(account);
 364                 if (stored_time != unix_time)
 365                         pdb_set_pass_last_set_time(account, unix_time, PDB_CHANGED);
 366         }
 367
 368 #if 0
 369 /*      No kickoff time in the delta? */
 370         if (!nt_time_is_zero(&delta->kickoff_time)) {
 371                 unix_time = nt_time_to_unix(&delta->kickoff_time);
 372                 stored_time = pdb_get_kickoff_time(account);
 373                 if (stored_time != unix_time)
 374                         pdb_set_kickoff_time(account, unix_time, PDB_CHANGED);
 375         }
 376 #endif
 377
 378         /* Decode hashes from password hash
 379            Note that win2000 may send us all zeros for the hashes if it doesn't
 380            think this channel is secure enough - don't set the passwords at all
 381            in that case
 382         */
 383         if (memcmp(delta->pass.buf_lm_pwd, zero_buf, 16) != 0) {
 384                 sam_pwd_hash(delta->user_rid, delta->pass.buf_lm_pwd, lm_passwd, 0);
 385                 pdb_set_lanman_passwd(account, lm_passwd, PDB_CHANGED);
 386         }
 387
 388         if (memcmp(delta->pass.buf_nt_pwd, zero_buf, 16) != 0) {
 389                 sam_pwd_hash(delta->user_rid, delta->pass.buf_nt_pwd, nt_passwd, 0);
 390                 pdb_set_nt_passwd(account, nt_passwd, PDB_CHANGED);
 391         }
 392
 393         /* TODO: account expiry time */
 394
 395         if (pdb_get_acct_ctrl(account) != delta->acb_info)
 396                 pdb_set_acct_ctrl(account, delta->acb_info, PDB_CHANGED);
 397
 398         pdb_set_domain(account, lp_workgroup(), PDB_CHANGED);
 399
 400         return NT_STATUS_OK;
 401 }
 402
 403 static NTSTATUS
 404 fetch_account_info(uint32 rid, SAM_ACCOUNT_INFO *delta)
 405 {
 406         NTSTATUS nt_ret;
 407         fstring account;
 408         pstring add_script;
 409         SAM_ACCOUNT *sam_account=NULL;
 410         GROUP_MAP map;
 411         struct group *grp;
 412         DOM_SID sid;
 413         struct passwd *passwd;
 414         unid_t id;
 415         int u_type;
 416
 417         fstrcpy(account, unistr2_static(&delta->uni_acct_name));
 418         d_printf("Creating account: %s\n", account);
 419
 420         if (!NT_STATUS_IS_OK(nt_ret = pdb_init_sam(&sam_account)))
 421                 return nt_ret;
 422
 423         if (!(passwd = Get_Pwnam(account))) {
 424                 /* Create appropriate user */
 425                 if (delta->acb_info & ACB_NORMAL) {
 426                         pstrcpy(add_script, lp_adduser_script());
 427                 } else if ( (delta->acb_info & ACB_WSTRUST) ||
 428                             (delta->acb_info & ACB_SVRTRUST) ||
 429                             (delta->acb_info & ACB_DOMTRUST) ) {
 430                         pstrcpy(add_script, lp_addmachine_script());
 431                 } else {
 432                         DEBUG(1, ("Unknown user type: %s\n",
 433                                   smbpasswd_encode_acb_info(delta->acb_info)));
 434                 }
 435                 if (*add_script) {
 436                         int add_ret;
 437                         all_string_sub(add_script, "%u", account,
 438                                        sizeof(account));
 439                         add_ret = smbrun(add_script,NULL);
 440                         DEBUG(1,("fetch_account: Running the command `%s' "
 441                                  "gave %d\n", add_script, add_ret));
 442
 443                         /* try and find the possible unix account again */
 444                         passwd = Get_Pwnam(account);
 445                 }
 446         }
 447
 448         sam_account_from_delta(sam_account, delta);
 449         if (!pdb_add_sam_account(sam_account)) {
 450                 DEBUG(1, ("SAM Account for %s failed to be added to the passdb!\n",
 451                           account));
 452                 if (!pdb_update_sam_account(sam_account)) {
 453                         DEBUG(1, ("SAM Account for %s failed to be updated in the passdb!\n",
 454                                   account));
 455                         pdb_free_sam(&sam_account);
 456                         return NT_STATUS_OK;
 457 /*                      return NT_STATUS_ACCESS_DENIED; */
 458                 }
 459         }
 460
 461         sid = *pdb_get_group_sid(sam_account);
 462
 463         if (!pdb_getgrsid(&map, sid)) {
 464                 DEBUG(0, ("Primary group of %s has no mapping!\n",
 465                           pdb_get_username(sam_account)));
 466                 pdb_free_sam(&sam_account);
 467                 return NT_STATUS_NO_SUCH_GROUP;
 468         }
 469
 470         if (!passwd) {
 471                 /* if no unix user, changing the mapping won't help */
 472                 pdb_free_sam(&sam_account);
 473                 return NT_STATUS_OK;
 474         }
 475
 476         if (map.gid != passwd->pw_gid) {
 477                 if (!(grp = getgrgid(map.gid))) {
 478                         DEBUG(0, ("Could not find unix group %d for user %s (group SID=%s)\n",
 479                                   map.gid, pdb_get_username(sam_account), sid_string_static(&sid)));
 480                         pdb_free_sam(&sam_account);
 481                         return NT_STATUS_NO_SUCH_GROUP;
 482                 }
 483
 484                 smb_set_primary_group(grp->gr_name, pdb_get_username(sam_account));
 485         }
 486
 487         nt_ret = idmap_get_id_from_sid(&id, &u_type, pdb_get_user_sid(sam_account));
 488         if (!NT_STATUS_IS_OK(nt_ret)) {
 489                 pdb_free_sam(&sam_account);
 490                 return nt_ret;
 491         }
 492
 493         if ((u_type != ID_USERID) || (id.uid != passwd->pw_uid)) {
 494                 id.uid = passwd->pw_uid;
 495                 nt_ret = idmap_set_mapping(pdb_get_user_sid(sam_account), id, ID_USERID);
 496         }
 497
 498         pdb_free_sam(&sam_account);
 499         return nt_ret;
 500 }
 501
 502 static NTSTATUS
 503 fetch_group_info(uint32 rid, SAM_GROUP_INFO *delta)
 504 {
 505         fstring name;
 506         fstring comment;
 507         struct group *grp = NULL;
 508         DOM_SID group_sid;
 509         fstring sid_string;
 510         GROUP_MAP map;
 511         BOOL insert = True;
 512
 513         unistr2_to_ascii(name, &delta->uni_grp_name, sizeof(name)-1);
 514         unistr2_to_ascii(comment, &delta->uni_grp_desc, sizeof(comment)-1);
 515
 516         /* add the group to the mapping table */
 517         sid_copy(&group_sid, get_global_sam_sid());
 518         sid_append_rid(&group_sid, rid);
 519         sid_to_string(sid_string, &group_sid);
 520
 521         if (pdb_getgrsid(&map, group_sid)) {
 522                 grp = getgrgid(map.gid);
 523                 insert = False;
 524         }
 525
 526         if (grp == NULL)
 527         {
 528                 gid_t gid;
 529
 530                 /* No group found from mapping, find it from its name. */
 531                 if ((grp = getgrnam(name)) == NULL) {
 532                         /* No appropriate group found, create one */
 533                         d_printf("Creating unix group: '%s'\n", name);
 534                         if (smb_create_group(name, &gid) != 0)
 535                                 return NT_STATUS_ACCESS_DENIED;
 536                         if ((grp = getgrgid(gid)) == NULL)
 537                                 return NT_STATUS_ACCESS_DENIED;
 538                 }
 539         }
 540
 541         map.gid = grp->gr_gid;
 542         map.sid = group_sid;
 543         map.sid_name_use = SID_NAME_DOM_GRP;
 544         fstrcpy(map.nt_name, name);
 545         fstrcpy(map.comment, comment);
 546
 547         if (insert)
 548                 pdb_add_group_mapping_entry(&map);
 549         else
 550                 pdb_update_group_mapping_entry(&map);
 551
 552         return NT_STATUS_OK;
 553 }
 554
 555 static NTSTATUS
 556 fetch_group_mem_info(uint32 rid, SAM_GROUP_MEM_INFO *delta)
 557 {
 558         int i;
 559         TALLOC_CTX *t = NULL;
 560         char **nt_members = NULL;
 561         char **unix_members;
 562         DOM_SID group_sid;
 563         GROUP_MAP map;
 564         struct group *grp;
 565
 566         if (delta->num_members == 0) {
 567                 return NT_STATUS_OK;
 568         }
 569
 570         sid_copy(&group_sid, get_global_sam_sid());
 571         sid_append_rid(&group_sid, rid);
 572
 573         if (!get_domain_group_from_sid(group_sid, &map)) {
 574                 DEBUG(0, ("Could not find global group %d\n", rid));
 575                 return NT_STATUS_NO_SUCH_GROUP;
 576         }
 577
 578         if (!(grp = getgrgid(map.gid))) {
 579                 DEBUG(0, ("Could not find unix group %d\n", map.gid));
 580                 return NT_STATUS_NO_SUCH_GROUP;
 581         }
 582
 583         d_printf("Group members of %s: ", grp->gr_name);
 584
 585         if (!(t = talloc_init("fetch_group_mem_info"))) {
 586                 DEBUG(0, ("could not talloc_init\n"));
 587                 return NT_STATUS_NO_MEMORY;
 588         }
 589
 590         nt_members = talloc_zero(t, sizeof(char *) * delta->num_members);
 591
 592         for (i=0; i<delta->num_members; i++) {
 593                 NTSTATUS nt_status;
 594                 SAM_ACCOUNT *member = NULL;
 595                 DOM_SID member_sid;
 596
 597                 if (!NT_STATUS_IS_OK(nt_status = pdb_init_sam_talloc(t, &member))) {
 598                         talloc_destroy(t);
 599                         return nt_status;
 600                 }
 601
 602                 sid_copy(&member_sid, get_global_sam_sid());
 603                 sid_append_rid(&member_sid, delta->rids[i]);
 604
 605                 if (!pdb_getsampwsid(member, &member_sid)) {
 606                         DEBUG(1, ("Found bogus group member: %d (member_sid=%s group=%s)\n",
 607                                   delta->rids[i], sid_string_static(&member_sid), grp->gr_name));
 608                         pdb_free_sam(&member);
 609                         continue;
 610                 }
 611
 612                 if (pdb_get_group_rid(member) == rid) {
 613                         d_printf("%s(primary),", pdb_get_username(member));
 614                         pdb_free_sam(&member);
 615                         continue;
 616                 }
 617
 618                 d_printf("%s,", pdb_get_username(member));
 619                 nt_members[i] = talloc_strdup(t, pdb_get_username(member));
 620                 pdb_free_sam(&member);
 621         }
 622
 623         d_printf("\n");
 624
 625         unix_members = grp->gr_mem;
 626
 627         while (*unix_members) {
 628                 BOOL is_nt_member = False;
 629                 for (i=0; i<delta->num_members; i++) {
 630                         if (nt_members[i] == NULL) {
 631                                 /* This was a primary group */
 632                                 continue;
 633                         }
 634
 635                         if (strcmp(*unix_members, nt_members[i]) == 0) {
 636                                 is_nt_member = True;
 637                                 break;
 638                         }
 639                 }
 640                 if (!is_nt_member) {
 641                         /* We look at a unix group member that is not
 642                            an nt group member. So, remove it. NT is
 643                            boss here. */
 644                         smb_delete_user_group(grp->gr_name, *unix_members);
 645                 }
 646                 unix_members += 1;
 647         }
 648
 649         for (i=0; i<delta->num_members; i++) {
 650                 BOOL is_unix_member = False;
 651
 652                 if (nt_members[i] == NULL) {
 653                         /* This was the primary group */
 654                         continue;
 655                 }
 656
 657                 unix_members = grp->gr_mem;
 658
 659                 while (*unix_members) {
 660                         if (strcmp(*unix_members, nt_members[i]) == 0) {
 661                                 is_unix_member = True;
 662                                 break;
 663                         }
 664                         unix_members += 1;
 665                 }
 666
 667                 if (!is_unix_member) {
 668                         /* We look at a nt group member that is not a
 669                            unix group member currently. So, add the nt
 670                            group member. */
 671                         smb_add_user_group(grp->gr_name, nt_members[i]);
 672                 }
 673         }
 674
 675         talloc_destroy(t);
 676         return NT_STATUS_OK;
 677 }
 678
 679 static NTSTATUS fetch_alias_info(uint32 rid, SAM_ALIAS_INFO *delta,
 680                                  DOM_SID dom_sid)
 681 {
 682         fstring name;
 683         fstring comment;
 684         struct group *grp = NULL;
 685         DOM_SID alias_sid;
 686         fstring sid_string;
 687         GROUP_MAP map;
 688         BOOL insert = True;
 689
 690         unistr2_to_ascii(name, &delta->uni_als_name, sizeof(name)-1);
 691         unistr2_to_ascii(comment, &delta->uni_als_desc, sizeof(comment)-1);
 692
 693         /* Find out whether the group is already mapped */
 694         sid_copy(&alias_sid, &dom_sid);
 695         sid_append_rid(&alias_sid, rid);
 696         sid_to_string(sid_string, &alias_sid);
 697
 698         if (pdb_getgrsid(&map, alias_sid)) {
 699                 grp = getgrgid(map.gid);
 700                 insert = False;
 701         }
 702
 703         if (grp == NULL) {
 704                 gid_t gid;
 705
 706                 /* No group found from mapping, find it from its name. */
 707                 if ((grp = getgrnam(name)) == NULL) {
 708                         /* No appropriate group found, create one */
 709                         d_printf("Creating unix group: '%s'\n", name);
 710                         if (smb_create_group(name, &gid) != 0)
 711                                 return NT_STATUS_ACCESS_DENIED;
 712                         if ((grp = getgrgid(gid)) == NULL)
 713                                 return NT_STATUS_ACCESS_DENIED;
 714                 }
 715         }
 716
 717         map.gid = grp->gr_gid;
 718         map.sid = alias_sid;
 719
 720         if (sid_equal(&dom_sid, &global_sid_Builtin))
 721                 map.sid_name_use = SID_NAME_WKN_GRP;
 722         else
 723                 map.sid_name_use = SID_NAME_ALIAS;
 724
 725         fstrcpy(map.nt_name, name);
 726         fstrcpy(map.comment, comment);
 727
 728         if (insert)
 729                 pdb_add_group_mapping_entry(&map);
 730         else
 731                 pdb_update_group_mapping_entry(&map);
 732
 733         return NT_STATUS_OK;
 734 }
 735
 736 static NTSTATUS
 737 fetch_alias_mem(uint32 rid, SAM_ALIAS_MEM_INFO *delta, DOM_SID dom_sid)
 738 {
 739 #if 0   /*
 740          * commented out right now after talking to Volker.  Can't
 741          * do much with the membership but seemed a shame to waste
 742          * somewhat working code.  Needs testing because the membership
 743          * that shows up surprises me.  Also can't do much with groups
 744          * in groups (e.g. Domain Admins being a member of Adminsitrators).
 745          * --jerry
 746          */
 747
 748         int i;
 749         TALLOC_CTX *t = NULL;
 750         char **nt_members = NULL;
 751         char **unix_members;
 752         DOM_SID group_sid;
 753         GROUP_MAP map;
 754         struct group *grp;
 755         enum SID_NAME_USE sid_type;
 756
 757         if (delta->num_members == 0) {
 758                 return NT_STATUS_OK;
 759         }
 760
 761         sid_copy(&group_sid, &dom_sid);
 762         sid_append_rid(&group_sid, rid);
 763
 764         if (sid_equal(&dom_sid, &global_sid_Builtin)) {
 765                 sid_type = SID_NAME_WKN_GRP;
 766                 if (!get_builtin_group_from_sid(group_sid, &map, False)) {
 767                         DEBUG(0, ("Could not find builtin group %s\n", sid_string_static(&group_sid)));
 768                         return NT_STATUS_NO_SUCH_GROUP;
 769                 }
 770         } else {
 771                 sid_type = SID_NAME_ALIAS;
 772                 if (!get_local_group_from_sid(group_sid, &map, False)) {
 773                         DEBUG(0, ("Could not find local group %s\n", sid_string_static(&group_sid)));
 774                         return NT_STATUS_NO_SUCH_GROUP;
 775                 }
 776         }
 777
 778         if (!(grp = getgrgid(map.gid))) {
 779                 DEBUG(0, ("Could not find unix group %d\n", map.gid));
 780                 return NT_STATUS_NO_SUCH_GROUP;
 781         }
 782
 783         d_printf("Group members of %s: ", grp->gr_name);
 784
 785         if (!(t = talloc_init("fetch_group_mem_info"))) {
 786                 DEBUG(0, ("could not talloc_init\n"));
 787                 return NT_STATUS_NO_MEMORY;
 788         }
 789
 790         nt_members = talloc_zero(t, sizeof(char *) * delta->num_members);
 791
 792         for (i=0; i<delta->num_members; i++) {
 793                 NTSTATUS nt_status;
 794                 SAM_ACCOUNT *member = NULL;
 795                 DOM_SID member_sid;
 796
 797                 if (!NT_STATUS_IS_OK(nt_status = pdb_init_sam_talloc(t, &member))) {
 798                         talloc_destroy(t);
 799                         return nt_status;
 800                 }
 801
 802                 sid_copy(&member_sid, &delta->sids[i].sid);
 803
 804                 if (!pdb_getsampwsid(member, &member_sid)) {
 805                         DEBUG(1, ("Found bogus group member: (member_sid=%s group=%s)\n",
 806                                   sid_string_static(&member_sid), grp->gr_name));
 807                         pdb_free_sam(&member);
 808                         continue;
 809                 }
 810
 811                 if (pdb_get_group_rid(member) == rid) {
 812                         d_printf("%s(primary),", pdb_get_username(member));
 813                         pdb_free_sam(&member);
 814                         continue;
 815                 }
 816
 817                 d_printf("%s,", pdb_get_username(member));
 818                 nt_members[i] = talloc_strdup(t, pdb_get_username(member));
 819                 pdb_free_sam(&member);
 820         }
 821
 822         d_printf("\n");
 823
 824         unix_members = grp->gr_mem;
 825
 826         while (*unix_members) {
 827                 BOOL is_nt_member = False;
 828                 for (i=0; i<delta->num_members; i++) {
 829                         if (nt_members[i] == NULL) {
 830                                 /* This was a primary group */
 831                                 continue;
 832                         }
 833
 834                         if (strcmp(*unix_members, nt_members[i]) == 0) {
 835                                 is_nt_member = True;
 836                                 break;
 837                         }
 838                 }
 839                 if (!is_nt_member) {
 840                         /* We look at a unix group member that is not
 841                            an nt group member. So, remove it. NT is
 842                            boss here. */
 843                         smb_delete_user_group(grp->gr_name, *unix_members);
 844                 }
 845                 unix_members += 1;
 846         }
 847
 848         for (i=0; i<delta->num_members; i++) {
 849                 BOOL is_unix_member = False;
 850
 851                 if (nt_members[i] == NULL) {
 852                         /* This was the primary group */
 853                         continue;
 854                 }
 855
 856                 unix_members = grp->gr_mem;
 857
 858                 while (*unix_members) {
 859                         if (strcmp(*unix_members, nt_members[i]) == 0) {
 860                                 is_unix_member = True;
 861                                 break;
 862                         }
 863                         unix_members += 1;
 864                 }
 865
 866                 if (!is_unix_member) {
 867                         /* We look at a nt group member that is not a
 868                            unix group member currently. So, add the nt
 869                            group member. */
 870                         smb_add_user_group(grp->gr_name, nt_members[i]);
 871                 }
 872         }
 873
 874         talloc_destroy(t);
 875
 876 #endif  /* end of fetch_alias_mem() */
 877
 878         return NT_STATUS_OK;
 879 }
 880
 881 static void
 882 fetch_sam_entry(SAM_DELTA_HDR *hdr_delta, SAM_DELTA_CTR *delta,
 883                 DOM_SID dom_sid)
 884 {
 885         switch(hdr_delta->type) {
 886         case SAM_DELTA_ACCOUNT_INFO:
 887                 fetch_account_info(hdr_delta->target_rid,
 888                                    &delta->account_info);
 889                 break;
 890         case SAM_DELTA_GROUP_INFO:
 891                 fetch_group_info(hdr_delta->target_rid,
 892                                  &delta->group_info);
 893                 break;
 894         case SAM_DELTA_GROUP_MEM:
 895                 fetch_group_mem_info(hdr_delta->target_rid,
 896                                      &delta->grp_mem_info);
 897                 break;
 898         case SAM_DELTA_ALIAS_INFO:
 899                 fetch_alias_info(hdr_delta->target_rid,
 900                                  &delta->alias_info, dom_sid);
 901                 break;
 902         case SAM_DELTA_ALIAS_MEM:
 903                 fetch_alias_mem(hdr_delta->target_rid,
 904                                 &delta->als_mem_info, dom_sid);
 905                 break;
 906         case SAM_DELTA_DOMAIN_INFO:
 907                 d_printf("SAMBA_DELTA_DOMAIN_INFO not handled\n");
 908                 break;
 909         default:
 910                 d_printf("Unknown delta record type %d\n", hdr_delta->type);
 911                 break;
 912         }
 913 }
 914
 915 static NTSTATUS
 916 fetch_database(struct cli_state *cli, unsigned db_type, DOM_CRED *ret_creds,
 917                DOM_SID dom_sid)
 918 {
 919         unsigned sync_context = 0;
 920         NTSTATUS result;
 921         int i;
 922         TALLOC_CTX *mem_ctx;
 923         SAM_DELTA_HDR *hdr_deltas;
 924         SAM_DELTA_CTR *deltas;
 925         uint32 num_deltas;
 926
 927         if (!(mem_ctx = talloc_init("fetch_database")))
 928                 return NT_STATUS_NO_MEMORY;
 929
 930         switch( db_type ) {
 931         case SAM_DATABASE_DOMAIN:
 932                 d_printf("Fetching DOMAIN database\n");
 933                 break;
 934         case SAM_DATABASE_BUILTIN:
 935                 d_printf("Fetching BUILTIN database\n");
 936                 break;
 937         case SAM_DATABASE_PRIVS:
 938                 d_printf("Fetching PRIVS databases\n");
 939                 break;
 940         default:
 941                 d_printf("Fetching unknown database type %u\n", db_type );
 942                 break;
 943         }
 944
 945         do {
 946                 result = cli_netlogon_sam_sync(cli, mem_ctx, ret_creds,
 947                                                db_type, sync_context,
 948                                                &num_deltas,
 949                                                &hdr_deltas, &deltas);
 950
 951                 if (NT_STATUS_IS_OK(result) ||
 952                     NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES)) {
 953
 954                         clnt_deal_with_creds(cli->sess_key, &(cli->clnt_cred),
 955                                              ret_creds);
 956
 957                         for (i = 0; i < num_deltas; i++) {
 958                                 fetch_sam_entry(&hdr_deltas[i], &deltas[i], dom_sid);
 959                         }
 960                 } else
 961                         return result;
 962
 963                 sync_context += 1;
 964         } while (NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES));
 965
 966         talloc_destroy(mem_ctx);
 967
 968         return result;
 969 }
 970
 971 /* dump sam database via samsync rpc calls */
 972 int rpc_vampire(int argc, const char **argv)
 973 {
 974         NTSTATUS result;
 975         struct cli_state *cli = NULL;
 976         uchar trust_password[16];
 977         DOM_CRED ret_creds;
 978         DOM_SID dom_sid;
 979         uint32 sec_channel;
 980
 981         ZERO_STRUCT(ret_creds);
 982
 983         /* Connect to remote machine */
 984         if (!(cli = net_make_ipc_connection(NET_FLAGS_ANONYMOUS |
 985                                             NET_FLAGS_PDC))) {
 986                 return 1;
 987         }
 988
 989         if (!cli_nt_session_open(cli, PI_NETLOGON)) {
 990                 DEBUG(0,("Error connecting to NETLOGON pipe\n"));
 991                 goto fail;
 992         }
 993
 994         if (!secrets_fetch_trust_account_password(lp_workgroup(),
 995                                                   trust_password, NULL,
 996                                                   &sec_channel)) {
 997                 d_printf("Could not retrieve domain trust secret\n");
 998                 goto fail;
 999         }
1000
1001         result = cli_nt_establish_netlogon(cli, sec_channel,  trust_password);
1002
1003         if (!NT_STATUS_IS_OK(result)) {
1004                 d_printf("Failed to setup BDC creds\n");
1005                 goto fail;
1006         }
1007
1008         dom_sid = *get_global_sam_sid();
1009         result = fetch_database(cli, SAM_DATABASE_DOMAIN, &ret_creds, dom_sid);
1010
1011         if (!NT_STATUS_IS_OK(result)) {
1012                 d_printf("Failed to fetch domain database: %s\n",
1013                          nt_errstr(result));
1014                 if (NT_STATUS_EQUAL(result, NT_STATUS_NOT_SUPPORTED))
1015                         d_printf("Perhaps %s is a Windows 2000 native mode "
1016                                  "domain?\n", lp_workgroup());
1017                 goto fail;
1018         }
1019
1020         sid_copy(&dom_sid, &global_sid_Builtin);
1021
1022         result = fetch_database(cli, SAM_DATABASE_BUILTIN, &ret_creds,
1023                                 dom_sid);
1024
1025         if (!NT_STATUS_IS_OK(result)) {
1026                 d_printf("Failed to fetch builtin database: %s\n",
1027                          nt_errstr(result));
1028                 goto fail;
1029         }
1030
1031         /* Currently we crash on PRIVS somewhere in unmarshalling */
1032         /* Dump_database(cli, SAM_DATABASE_PRIVS, &ret_creds); */
1033
1034         cli_nt_session_close(cli);
1035
1036         return 0;
1037
1038 fail:
1039         if (cli)
1040                 cli_nt_session_close(cli);
1041
1042         return -1;
1043 }