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 fetch_account_info(uint32 rid, SAM_ACCOUNT_INFO *delta)
 404 {
 405         NTSTATUS nt_ret;
 406         fstring account;
 407         pstring add_script;
 408         SAM_ACCOUNT *sam_account=NULL;
 409         GROUP_MAP map;
 410         struct group *grp;
 411         DOM_SID user_sid;
 412         DOM_SID group_sid;
 413         struct passwd *passwd;
 414         fstring sid_string;
 415
 416         fstrcpy(account, unistr2_static(&delta->uni_acct_name));
 417         d_printf("Creating account: %s\n", account);
 418
 419         if (!NT_STATUS_IS_OK(nt_ret = pdb_init_sam(&sam_account)))
 420                 return nt_ret;
 421
 422         if (!(passwd = Get_Pwnam(account))) {
 423                 /* Create appropriate user */
 424                 if (delta->acb_info & ACB_NORMAL) {
 425                         pstrcpy(add_script, lp_adduser_script());
 426                 } else if ( (delta->acb_info & ACB_WSTRUST) ||
 427                             (delta->acb_info & ACB_SVRTRUST) ||
 428                             (delta->acb_info & ACB_DOMTRUST) ) {
 429                         pstrcpy(add_script, lp_addmachine_script());
 430                 } else {
 431                         DEBUG(1, ("Unknown user type: %s\n",
 432                                   smbpasswd_encode_acb_info(delta->acb_info)));
 433                         nt_ret = NT_STATUS_UNSUCCESSFUL;
 434                         goto done;
 435                 }
 436                 if (*add_script) {
 437                         int add_ret;
 438                         all_string_sub(add_script, "%u", account,
 439                                        sizeof(account));
 440                         add_ret = smbrun(add_script,NULL);
 441                         DEBUG(1,("fetch_account: Running the command `%s' "
 442                                  "gave %d\n", add_script, add_ret));
 443                 } else {
 444                         DEBUG(8,("fetch_account_info: no add user/machine script.  Asking winbindd\n"));
 445
 446                         /* don't need a RID allocated since the user already has a SID */
 447                         if ( !winbind_create_user( account, NULL ) )
 448                                 DEBUG(4,("fetch_account_info: winbind_create_user() failed\n"));
 449                 }
 450
 451                 /* try and find the possible unix account again */
 452                 if ( !(passwd = Get_Pwnam(account)) ) {
 453                         d_printf("Could not create posix account info for '%s'\n", account);
 454                         nt_ret = NT_STATUS_NO_SUCH_USER;
 455                         goto done;
 456                 }
 457
 458         }
 459
 460         sid_copy(&user_sid, get_global_sam_sid());
 461         sid_append_rid(&user_sid, delta->user_rid);
 462
 463         DEBUG(3, ("Attempting to find SID %s for user %s in the passdb\n", sid_to_string(sid_string, &user_sid), account));
 464         if (!pdb_getsampwsid(sam_account, &user_sid)) {
 465                 sam_account_from_delta(sam_account, delta);
 466                 DEBUG(3, ("Attempting to add user SID %s for user %s in the passdb\n",
 467                           sid_to_string(sid_string, &user_sid), pdb_get_username(sam_account)));
 468                 if (!pdb_add_sam_account(sam_account)) {
 469                         DEBUG(1, ("SAM Account for %s failed to be added to the passdb!\n",
 470                                   account));
 471                         return NT_STATUS_ACCESS_DENIED;
 472                 }
 473         } else {
 474                 sam_account_from_delta(sam_account, delta);
 475                 DEBUG(3, ("Attempting to update user SID %s for user %s in the passdb\n",
 476                           sid_to_string(sid_string, &user_sid), pdb_get_username(sam_account)));
 477                 if (!pdb_update_sam_account(sam_account)) {
 478                         DEBUG(1, ("SAM Account for %s failed to be updated in the passdb!\n",
 479                                   account));
 480                         pdb_free_sam(&sam_account);
 481                         return NT_STATUS_ACCESS_DENIED;
 482                 }
 483         }
 484
 485         group_sid = *pdb_get_group_sid(sam_account);
 486
 487         if (!pdb_getgrsid(&map, group_sid)) {
 488                 DEBUG(0, ("Primary group of %s has no mapping!\n",
 489                           pdb_get_username(sam_account)));
 490         } else {
 491                 if (map.gid != passwd->pw_gid) {
 492                         if (!(grp = getgrgid(map.gid))) {
 493                                 DEBUG(0, ("Could not find unix group %lu for user %s (group SID=%s)\n",
 494                                           (unsigned long)map.gid, pdb_get_username(sam_account), sid_string_static(&group_sid)));
 495                         } else {
 496                                 smb_set_primary_group(grp->gr_name, pdb_get_username(sam_account));
 497                         }
 498                 }
 499         }
 500
 501         if ( !passwd ) {
 502                 DEBUG(1, ("No unix user for this account (%s), cannot adjust mappings\n",
 503                         pdb_get_username(sam_account)));
 504         }
 505
 506  done:
 507         pdb_free_sam(&sam_account);
 508         return nt_ret;
 509 }
 510
 511 static NTSTATUS
 512 fetch_group_info(uint32 rid, SAM_GROUP_INFO *delta)
 513 {
 514         fstring name;
 515         fstring comment;
 516         struct group *grp = NULL;
 517         DOM_SID group_sid;
 518         fstring sid_string;
 519         GROUP_MAP map;
 520         BOOL insert = True;
 521
 522         unistr2_to_ascii(name, &delta->uni_grp_name, sizeof(name)-1);
 523         unistr2_to_ascii(comment, &delta->uni_grp_desc, sizeof(comment)-1);
 524
 525         /* add the group to the mapping table */
 526         sid_copy(&group_sid, get_global_sam_sid());
 527         sid_append_rid(&group_sid, rid);
 528         sid_to_string(sid_string, &group_sid);
 529
 530         if (pdb_getgrsid(&map, group_sid)) {
 531                 if ( map.gid != -1 )
 532                         grp = getgrgid(map.gid);
 533                 insert = False;
 534         }
 535
 536         if (grp == NULL) {
 537                 gid_t gid;
 538
 539                 /* No group found from mapping, find it from its name. */
 540                 if ((grp = getgrnam(name)) == NULL) {
 541
 542                         /* No appropriate group found, create one */
 543
 544                         d_printf("Creating unix group: '%s'\n", name);
 545
 546                         if (smb_create_group(name, &gid) != 0)
 547                                 return NT_STATUS_ACCESS_DENIED;
 548
 549                         if ((grp = getgrnam(name)) == NULL)
 550                                 return NT_STATUS_ACCESS_DENIED;
 551                 }
 552         }
 553
 554         map.gid = grp->gr_gid;
 555         map.sid = group_sid;
 556         map.sid_name_use = SID_NAME_DOM_GRP;
 557         fstrcpy(map.nt_name, name);
 558         if (delta->hdr_grp_desc.buffer) {
 559                 fstrcpy(map.comment, comment);
 560         } else {
 561                 fstrcpy(map.comment, "");
 562         }
 563
 564         if (insert)
 565                 pdb_add_group_mapping_entry(&map);
 566         else
 567                 pdb_update_group_mapping_entry(&map);
 568
 569         return NT_STATUS_OK;
 570 }
 571
 572 static NTSTATUS
 573 fetch_group_mem_info(uint32 rid, SAM_GROUP_MEM_INFO *delta)
 574 {
 575         int i;
 576         TALLOC_CTX *t = NULL;
 577         char **nt_members = NULL;
 578         char **unix_members;
 579         DOM_SID group_sid;
 580         GROUP_MAP map;
 581         struct group *grp;
 582
 583         if (delta->num_members == 0) {
 584                 return NT_STATUS_OK;
 585         }
 586
 587         sid_copy(&group_sid, get_global_sam_sid());
 588         sid_append_rid(&group_sid, rid);
 589
 590         if (!get_domain_group_from_sid(group_sid, &map)) {
 591                 DEBUG(0, ("Could not find global group %d\n", rid));
 592                 return NT_STATUS_NO_SUCH_GROUP;
 593         }
 594
 595         if (!(grp = getgrgid(map.gid))) {
 596                 DEBUG(0, ("Could not find unix group %lu\n", (unsigned long)map.gid));
 597                 return NT_STATUS_NO_SUCH_GROUP;
 598         }
 599
 600         d_printf("Group members of %s: ", grp->gr_name);
 601
 602         if (!(t = talloc_init("fetch_group_mem_info"))) {
 603                 DEBUG(0, ("could not talloc_init\n"));
 604                 return NT_STATUS_NO_MEMORY;
 605         }
 606
 607         nt_members = talloc_zero(t, sizeof(char *) * delta->num_members);
 608
 609         for (i=0; i<delta->num_members; i++) {
 610                 NTSTATUS nt_status;
 611                 SAM_ACCOUNT *member = NULL;
 612                 DOM_SID member_sid;
 613
 614                 if (!NT_STATUS_IS_OK(nt_status = pdb_init_sam_talloc(t, &member))) {
 615                         talloc_destroy(t);
 616                         return nt_status;
 617                 }
 618
 619                 sid_copy(&member_sid, get_global_sam_sid());
 620                 sid_append_rid(&member_sid, delta->rids[i]);
 621
 622                 if (!pdb_getsampwsid(member, &member_sid)) {
 623                         DEBUG(1, ("Found bogus group member: %d (member_sid=%s group=%s)\n",
 624                                   delta->rids[i], sid_string_static(&member_sid), grp->gr_name));
 625                         pdb_free_sam(&member);
 626                         continue;
 627                 }
 628
 629                 if (pdb_get_group_rid(member) == rid) {
 630                         d_printf("%s(primary),", pdb_get_username(member));
 631                         pdb_free_sam(&member);
 632                         continue;
 633                 }
 634
 635                 d_printf("%s,", pdb_get_username(member));
 636                 nt_members[i] = talloc_strdup(t, pdb_get_username(member));
 637                 pdb_free_sam(&member);
 638         }
 639
 640         d_printf("\n");
 641
 642         unix_members = grp->gr_mem;
 643
 644         while (*unix_members) {
 645                 BOOL is_nt_member = False;
 646                 for (i=0; i<delta->num_members; i++) {
 647                         if (nt_members[i] == NULL) {
 648                                 /* This was a primary group */
 649                                 continue;
 650                         }
 651
 652                         if (strcmp(*unix_members, nt_members[i]) == 0) {
 653                                 is_nt_member = True;
 654                                 break;
 655                         }
 656                 }
 657                 if (!is_nt_member) {
 658                         /* We look at a unix group member that is not
 659                            an nt group member. So, remove it. NT is
 660                            boss here. */
 661                         smb_delete_user_group(grp->gr_name, *unix_members);
 662                 }
 663                 unix_members += 1;
 664         }
 665
 666         for (i=0; i<delta->num_members; i++) {
 667                 BOOL is_unix_member = False;
 668
 669                 if (nt_members[i] == NULL) {
 670                         /* This was the primary group */
 671                         continue;
 672                 }
 673
 674                 unix_members = grp->gr_mem;
 675
 676                 while (*unix_members) {
 677                         if (strcmp(*unix_members, nt_members[i]) == 0) {
 678                                 is_unix_member = True;
 679                                 break;
 680                         }
 681                         unix_members += 1;
 682                 }
 683
 684                 if (!is_unix_member) {
 685                         /* We look at a nt group member that is not a
 686                            unix group member currently. So, add the nt
 687                            group member. */
 688                         smb_add_user_group(grp->gr_name, nt_members[i]);
 689                 }
 690         }
 691
 692         talloc_destroy(t);
 693         return NT_STATUS_OK;
 694 }
 695
 696 static NTSTATUS fetch_alias_info(uint32 rid, SAM_ALIAS_INFO *delta,
 697                                  DOM_SID dom_sid)
 698 {
 699         fstring name;
 700         fstring comment;
 701         struct group *grp = NULL;
 702         DOM_SID alias_sid;
 703         fstring sid_string;
 704         GROUP_MAP map;
 705         BOOL insert = True;
 706
 707         unistr2_to_ascii(name, &delta->uni_als_name, sizeof(name)-1);
 708         unistr2_to_ascii(comment, &delta->uni_als_desc, sizeof(comment)-1);
 709
 710         /* Find out whether the group is already mapped */
 711         sid_copy(&alias_sid, &dom_sid);
 712         sid_append_rid(&alias_sid, rid);
 713         sid_to_string(sid_string, &alias_sid);
 714
 715         if (pdb_getgrsid(&map, alias_sid)) {
 716                 grp = getgrgid(map.gid);
 717                 insert = False;
 718         }
 719
 720         if (grp == NULL) {
 721                 gid_t gid;
 722
 723                 /* No group found from mapping, find it from its name. */
 724                 if ((grp = getgrnam(name)) == NULL) {
 725                         /* No appropriate group found, create one */
 726                         d_printf("Creating unix group: '%s'\n", name);
 727                         if (smb_create_group(name, &gid) != 0)
 728                                 return NT_STATUS_ACCESS_DENIED;
 729                         if ((grp = getgrgid(gid)) == NULL)
 730                                 return NT_STATUS_ACCESS_DENIED;
 731                 }
 732         }
 733
 734         map.gid = grp->gr_gid;
 735         map.sid = alias_sid;
 736
 737         if (sid_equal(&dom_sid, &global_sid_Builtin))
 738                 map.sid_name_use = SID_NAME_WKN_GRP;
 739         else
 740                 map.sid_name_use = SID_NAME_ALIAS;
 741
 742         fstrcpy(map.nt_name, name);
 743         fstrcpy(map.comment, comment);
 744
 745         if (insert)
 746                 pdb_add_group_mapping_entry(&map);
 747         else
 748                 pdb_update_group_mapping_entry(&map);
 749
 750         return NT_STATUS_OK;
 751 }
 752
 753 static NTSTATUS
 754 fetch_alias_mem(uint32 rid, SAM_ALIAS_MEM_INFO *delta, DOM_SID dom_sid)
 755 {
 756 #if 0   /*
 757          * commented out right now after talking to Volker.  Can't
 758          * do much with the membership but seemed a shame to waste
 759          * somewhat working code.  Needs testing because the membership
 760          * that shows up surprises me.  Also can't do much with groups
 761          * in groups (e.g. Domain Admins being a member of Adminsitrators).
 762          * --jerry
 763          */
 764
 765         int i;
 766         TALLOC_CTX *t = NULL;
 767         char **nt_members = NULL;
 768         char **unix_members;
 769         DOM_SID group_sid;
 770         GROUP_MAP map;
 771         struct group *grp;
 772         enum SID_NAME_USE sid_type;
 773
 774         if (delta->num_members == 0) {
 775                 return NT_STATUS_OK;
 776         }
 777
 778         sid_copy(&group_sid, &dom_sid);
 779         sid_append_rid(&group_sid, rid);
 780
 781         if (sid_equal(&dom_sid, &global_sid_Builtin)) {
 782                 sid_type = SID_NAME_WKN_GRP;
 783                 if (!get_builtin_group_from_sid(group_sid, &map, False)) {
 784                         DEBUG(0, ("Could not find builtin group %s\n", sid_string_static(&group_sid)));
 785                         return NT_STATUS_NO_SUCH_GROUP;
 786                 }
 787         } else {
 788                 sid_type = SID_NAME_ALIAS;
 789                 if (!get_local_group_from_sid(group_sid, &map, False)) {
 790                         DEBUG(0, ("Could not find local group %s\n", sid_string_static(&group_sid)));
 791                         return NT_STATUS_NO_SUCH_GROUP;
 792                 }
 793         }
 794
 795         if (!(grp = getgrgid(map.gid))) {
 796                 DEBUG(0, ("Could not find unix group %d\n", map.gid));
 797                 return NT_STATUS_NO_SUCH_GROUP;
 798         }
 799
 800         d_printf("Group members of %s: ", grp->gr_name);
 801
 802         if (!(t = talloc_init("fetch_group_mem_info"))) {
 803                 DEBUG(0, ("could not talloc_init\n"));
 804                 return NT_STATUS_NO_MEMORY;
 805         }
 806
 807         nt_members = talloc_zero(t, sizeof(char *) * delta->num_members);
 808
 809         for (i=0; i<delta->num_members; i++) {
 810                 NTSTATUS nt_status;
 811                 SAM_ACCOUNT *member = NULL;
 812                 DOM_SID member_sid;
 813
 814                 if (!NT_STATUS_IS_OK(nt_status = pdb_init_sam_talloc(t, &member))) {
 815                         talloc_destroy(t);
 816                         return nt_status;
 817                 }
 818
 819                 sid_copy(&member_sid, &delta->sids[i].sid);
 820
 821                 if (!pdb_getsampwsid(member, &member_sid)) {
 822                         DEBUG(1, ("Found bogus group member: (member_sid=%s group=%s)\n",
 823                                   sid_string_static(&member_sid), grp->gr_name));
 824                         pdb_free_sam(&member);
 825                         continue;
 826                 }
 827
 828                 if (pdb_get_group_rid(member) == rid) {
 829                         d_printf("%s(primary),", pdb_get_username(member));
 830                         pdb_free_sam(&member);
 831                         continue;
 832                 }
 833
 834                 d_printf("%s,", pdb_get_username(member));
 835                 nt_members[i] = talloc_strdup(t, pdb_get_username(member));
 836                 pdb_free_sam(&member);
 837         }
 838
 839         d_printf("\n");
 840
 841         unix_members = grp->gr_mem;
 842
 843         while (*unix_members) {
 844                 BOOL is_nt_member = False;
 845                 for (i=0; i<delta->num_members; i++) {
 846                         if (nt_members[i] == NULL) {
 847                                 /* This was a primary group */
 848                                 continue;
 849                         }
 850
 851                         if (strcmp(*unix_members, nt_members[i]) == 0) {
 852                                 is_nt_member = True;
 853                                 break;
 854                         }
 855                 }
 856                 if (!is_nt_member) {
 857                         /* We look at a unix group member that is not
 858                            an nt group member. So, remove it. NT is
 859                            boss here. */
 860                         smb_delete_user_group(grp->gr_name, *unix_members);
 861                 }
 862                 unix_members += 1;
 863         }
 864
 865         for (i=0; i<delta->num_members; i++) {
 866                 BOOL is_unix_member = False;
 867
 868                 if (nt_members[i] == NULL) {
 869                         /* This was the primary group */
 870                         continue;
 871                 }
 872
 873                 unix_members = grp->gr_mem;
 874
 875                 while (*unix_members) {
 876                         if (strcmp(*unix_members, nt_members[i]) == 0) {
 877                                 is_unix_member = True;
 878                                 break;
 879                         }
 880                         unix_members += 1;
 881                 }
 882
 883                 if (!is_unix_member) {
 884                         /* We look at a nt group member that is not a
 885                            unix group member currently. So, add the nt
 886                            group member. */
 887                         smb_add_user_group(grp->gr_name, nt_members[i]);
 888                 }
 889         }
 890
 891         talloc_destroy(t);
 892
 893 #endif  /* end of fetch_alias_mem() */
 894
 895         return NT_STATUS_OK;
 896 }
 897
 898 static void
 899 fetch_sam_entry(SAM_DELTA_HDR *hdr_delta, SAM_DELTA_CTR *delta,
 900                 DOM_SID dom_sid)
 901 {
 902         switch(hdr_delta->type) {
 903         case SAM_DELTA_ACCOUNT_INFO:
 904                 fetch_account_info(hdr_delta->target_rid,
 905                                    &delta->account_info);
 906                 break;
 907         case SAM_DELTA_GROUP_INFO:
 908                 fetch_group_info(hdr_delta->target_rid,
 909                                  &delta->group_info);
 910                 break;
 911         case SAM_DELTA_GROUP_MEM:
 912                 fetch_group_mem_info(hdr_delta->target_rid,
 913                                      &delta->grp_mem_info);
 914                 break;
 915         case SAM_DELTA_ALIAS_INFO:
 916                 fetch_alias_info(hdr_delta->target_rid,
 917                                  &delta->alias_info, dom_sid);
 918                 break;
 919         case SAM_DELTA_ALIAS_MEM:
 920                 fetch_alias_mem(hdr_delta->target_rid,
 921                                 &delta->als_mem_info, dom_sid);
 922                 break;
 923         /* The following types are recognised but not handled */
 924         case SAM_DELTA_DOMAIN_INFO:
 925                 d_printf("SAM_DELTA_DOMAIN_INFO not handled\n");
 926                 break;
 927         case SAM_DELTA_RENAME_GROUP:
 928                 d_printf("SAM_DELTA_RENAME_GROUP not handled\n");
 929                 break;
 930         case SAM_DELTA_RENAME_USER:
 931                 d_printf("SAM_DELTA_RENAME_USER not handled\n");
 932                 break;
 933         case SAM_DELTA_RENAME_ALIAS:
 934                 d_printf("SAM_DELTA_RENAME_ALIAS not handled\n");
 935                 break;
 936         case SAM_DELTA_POLICY_INFO:
 937                 d_printf("SAM_DELTA_POLICY_INFO not handled\n");
 938                 break;
 939         case SAM_DELTA_TRUST_DOMS:
 940                 d_printf("SAM_DELTA_TRUST_DOMS not handled\n");
 941                 break;
 942         case SAM_DELTA_PRIVS_INFO:
 943                 d_printf("SAM_DELTA_PRIVS_INFO not handled\n");
 944                 break;
 945         case SAM_DELTA_SECRET_INFO:
 946                 d_printf("SAM_DELTA_SECRET_INFO not handled\n");
 947                 break;
 948         case SAM_DELTA_DELETE_GROUP:
 949                 d_printf("SAM_DELTA_DELETE_GROUP not handled\n");
 950                 break;
 951         case SAM_DELTA_DELETE_USER:
 952                 d_printf("SAM_DELTA_DELETE_USER not handled\n");
 953                 break;
 954         case SAM_DELTA_MODIFIED_COUNT:
 955                 d_printf("SAM_DELTA_MODIFIED_COUNT not handled\n");
 956                 break;
 957         default:
 958                 d_printf("Unknown delta record type %d\n", hdr_delta->type);
 959                 break;
 960         }
 961 }
 962
 963 static NTSTATUS
 964 fetch_database(struct cli_state *cli, unsigned db_type, DOM_CRED *ret_creds,
 965                DOM_SID dom_sid)
 966 {
 967         unsigned sync_context = 0;
 968         NTSTATUS result;
 969         int i;
 970         TALLOC_CTX *mem_ctx;
 971         SAM_DELTA_HDR *hdr_deltas;
 972         SAM_DELTA_CTR *deltas;
 973         uint32 num_deltas;
 974
 975         if (!(mem_ctx = talloc_init("fetch_database")))
 976                 return NT_STATUS_NO_MEMORY;
 977
 978         switch( db_type ) {
 979         case SAM_DATABASE_DOMAIN:
 980                 d_printf("Fetching DOMAIN database\n");
 981                 break;
 982         case SAM_DATABASE_BUILTIN:
 983                 d_printf("Fetching BUILTIN database\n");
 984                 break;
 985         case SAM_DATABASE_PRIVS:
 986                 d_printf("Fetching PRIVS databases\n");
 987                 break;
 988         default:
 989                 d_printf("Fetching unknown database type %u\n", db_type );
 990                 break;
 991         }
 992
 993         do {
 994                 result = cli_netlogon_sam_sync(cli, mem_ctx, ret_creds,
 995                                                db_type, sync_context,
 996                                                &num_deltas,
 997                                                &hdr_deltas, &deltas);
 998
 999                 if (NT_STATUS_IS_OK(result) ||
1000                     NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES)) {
1001
1002                         clnt_deal_with_creds(cli->sess_key, &(cli->clnt_cred),
1003                                              ret_creds);
1004
1005                         for (i = 0; i < num_deltas; i++) {
1006                                 fetch_sam_entry(&hdr_deltas[i], &deltas[i], dom_sid);
1007                         }
1008                 } else
1009                         return result;
1010
1011                 sync_context += 1;
1012         } while (NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES));
1013
1014         talloc_destroy(mem_ctx);
1015
1016         return result;
1017 }
1018
1019 /* dump sam database via samsync rpc calls */
1020 int rpc_vampire(int argc, const char **argv)
1021 {
1022         NTSTATUS result;
1023         struct cli_state *cli = NULL;
1024         uchar trust_password[16];
1025         DOM_CRED ret_creds;
1026         DOM_SID dom_sid;
1027         uint32 sec_channel;
1028
1029         ZERO_STRUCT(ret_creds);
1030
1031         /* Connect to remote machine */
1032         if (!(cli = net_make_ipc_connection(NET_FLAGS_ANONYMOUS |
1033                                             NET_FLAGS_PDC))) {
1034                 return 1;
1035         }
1036
1037         if (!cli_nt_session_open(cli, PI_NETLOGON)) {
1038                 DEBUG(0,("Error connecting to NETLOGON pipe\n"));
1039                 goto fail;
1040         }
1041
1042         if (!secrets_fetch_trust_account_password(opt_target_workgroup,
1043                                                   trust_password, NULL,
1044                                                   &sec_channel)) {
1045                 d_printf("Could not retrieve domain trust secret\n");
1046                 goto fail;
1047         }
1048
1049         result = cli_nt_establish_netlogon(cli, sec_channel,  trust_password);
1050
1051         if (!NT_STATUS_IS_OK(result)) {
1052                 d_printf("Failed to setup BDC creds\n");
1053                 goto fail;
1054         }
1055
1056         sid_copy( &dom_sid, get_global_sam_sid() );
1057         result = fetch_database(cli, SAM_DATABASE_DOMAIN, &ret_creds, dom_sid);
1058
1059         if (!NT_STATUS_IS_OK(result)) {
1060                 d_printf("Failed to fetch domain database: %s\n",
1061                          nt_errstr(result));
1062                 if (NT_STATUS_EQUAL(result, NT_STATUS_NOT_SUPPORTED))
1063                         d_printf("Perhaps %s is a Windows 2000 native mode "
1064                                  "domain?\n", opt_target_workgroup);
1065                 goto fail;
1066         }
1067
1068         sid_copy(&dom_sid, &global_sid_Builtin);
1069
1070         result = fetch_database(cli, SAM_DATABASE_BUILTIN, &ret_creds,
1071                                 dom_sid);
1072
1073         if (!NT_STATUS_IS_OK(result)) {
1074                 d_printf("Failed to fetch builtin database: %s\n",
1075                          nt_errstr(result));
1076                 goto fail;
1077         }
1078
1079         /* Currently we crash on PRIVS somewhere in unmarshalling */
1080         /* Dump_database(cli, SAM_DATABASE_PRIVS, &ret_creds); */
1081
1082         cli_nt_session_close(cli);
1083
1084         return 0;
1085
1086 fail:
1087         if (cli)
1088                 cli_nt_session_close(cli);
1089
1090         return -1;
1091 }