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                 pdb_sethexpwd(hex_lm_passwd, lm_passwd, a->acb_info);
  66         } else {
  67                 pdb_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                 pdb_sethexpwd(hex_nt_passwd, nt_passwd, a->acb_info);
  73         } else {
  74                 pdb_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                pdb_encode_acct_ctrl(a->acb_info, NEW_PW_FORMAT_SPACE_PADDED_LEN));
  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                 if (NT_STATUS_IS_ERR(result))
 186                         break;
 187
 188                 clnt_deal_with_creds(cli->sess_key, &(cli->clnt_cred), ret_creds);
 189                 for (i = 0; i < num_deltas; i++) {
 190                         display_sam_entry(&hdr_deltas[i], &deltas[i]);
 191                 }
 192                 sync_context += 1;
 193         } while (NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES));
 194
 195         talloc_destroy(mem_ctx);
 196 }
 197
 198 /* dump sam database via samsync rpc calls */
 199 NTSTATUS rpc_samdump_internals(const DOM_SID *domain_sid,
 200                                const char *domain_name,
 201                                struct cli_state *cli, TALLOC_CTX *mem_ctx,
 202                                int argc, const char **argv)
 203 {
 204         NTSTATUS nt_status = NT_STATUS_UNSUCCESSFUL;
 205         uchar trust_password[16];
 206         DOM_CRED ret_creds;
 207         uint32 sec_channel;
 208
 209         ZERO_STRUCT(ret_creds);
 210
 211         fstrcpy(cli->domain, domain_name);
 212
 213         if (!secrets_fetch_trust_account_password(domain_name,
 214                                                   trust_password,
 215                                                   NULL, &sec_channel)) {
 216                 DEBUG(0,("Could not fetch trust account password\n"));
 217                 goto fail;
 218         }
 219
 220         if (!NT_STATUS_IS_OK(nt_status = cli_nt_establish_netlogon(cli, sec_channel,
 221                                                                    trust_password))) {
 222                 DEBUG(0,("Error connecting to NETLOGON pipe\n"));
 223                 goto fail;
 224         }
 225
 226         dump_database(cli, SAM_DATABASE_DOMAIN, &ret_creds);
 227         dump_database(cli, SAM_DATABASE_BUILTIN, &ret_creds);
 228         dump_database(cli, SAM_DATABASE_PRIVS, &ret_creds);
 229
 230         nt_status = NT_STATUS_OK;
 231
 232 fail:
 233         cli_nt_session_close(cli);
 234         return nt_status;
 235 }
 236
 237 /* Convert a SAM_ACCOUNT_DELTA to a SAM_ACCOUNT. */
 238 #define STRING_CHANGED (old_string && !new_string) ||\
 239                     (!old_string && new_string) ||\
 240                 (old_string && new_string && (strcmp(old_string, new_string) != 0))
 241
 242 static NTSTATUS
 243 sam_account_from_delta(SAM_ACCOUNT *account, SAM_ACCOUNT_INFO *delta)
 244 {
 245         const char *old_string, *new_string;
 246         time_t unix_time, stored_time;
 247         uchar lm_passwd[16], nt_passwd[16];
 248         static uchar zero_buf[16];
 249
 250         /* Username, fullname, home dir, dir drive, logon script, acct
 251            desc, workstations, profile. */
 252
 253         if (delta->hdr_acct_name.buffer) {
 254                 old_string = pdb_get_nt_username(account);
 255                 new_string = unistr2_static(&delta->uni_acct_name);
 256
 257                 if (STRING_CHANGED) {
 258                         pdb_set_nt_username(account, new_string, PDB_CHANGED);
 259
 260                 }
 261
 262                 /* Unix username is the same - for sanity */
 263                 old_string = pdb_get_username( account );
 264                 if (STRING_CHANGED) {
 265                         pdb_set_username(account, new_string, PDB_CHANGED);
 266                 }
 267         }
 268
 269         if (delta->hdr_full_name.buffer) {
 270                 old_string = pdb_get_fullname(account);
 271                 new_string = unistr2_static(&delta->uni_full_name);
 272
 273                 if (STRING_CHANGED)
 274                         pdb_set_fullname(account, new_string, PDB_CHANGED);
 275         }
 276
 277         if (delta->hdr_home_dir.buffer) {
 278                 old_string = pdb_get_homedir(account);
 279                 new_string = unistr2_static(&delta->uni_home_dir);
 280
 281                 if (STRING_CHANGED)
 282                         pdb_set_homedir(account, new_string, PDB_CHANGED);
 283         }
 284
 285         if (delta->hdr_dir_drive.buffer) {
 286                 old_string = pdb_get_dir_drive(account);
 287                 new_string = unistr2_static(&delta->uni_dir_drive);
 288
 289                 if (STRING_CHANGED)
 290                         pdb_set_dir_drive(account, new_string, PDB_CHANGED);
 291         }
 292
 293         if (delta->hdr_logon_script.buffer) {
 294                 old_string = pdb_get_logon_script(account);
 295                 new_string = unistr2_static(&delta->uni_logon_script);
 296
 297                 if (STRING_CHANGED)
 298                         pdb_set_logon_script(account, new_string, PDB_CHANGED);
 299         }
 300
 301         if (delta->hdr_acct_desc.buffer) {
 302                 old_string = pdb_get_acct_desc(account);
 303                 new_string = unistr2_static(&delta->uni_acct_desc);
 304
 305                 if (STRING_CHANGED)
 306                         pdb_set_acct_desc(account, new_string, PDB_CHANGED);
 307         }
 308
 309         if (delta->hdr_workstations.buffer) {
 310                 old_string = pdb_get_workstations(account);
 311                 new_string = unistr2_static(&delta->uni_workstations);
 312
 313                 if (STRING_CHANGED)
 314                         pdb_set_workstations(account, new_string, PDB_CHANGED);
 315         }
 316
 317         if (delta->hdr_profile.buffer) {
 318                 old_string = pdb_get_profile_path(account);
 319                 new_string = unistr2_static(&delta->uni_profile);
 320
 321                 if (STRING_CHANGED)
 322                         pdb_set_profile_path(account, new_string, PDB_CHANGED);
 323         }
 324
 325         if (delta->hdr_parameters.buffer) {
 326                 old_string = pdb_get_munged_dial(account);
 327                 new_string = unistr2_static(&delta->uni_parameters);
 328
 329                 if (STRING_CHANGED)
 330                         pdb_set_munged_dial(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                                   pdb_encode_acct_ctrl(delta->acb_info, NEW_PW_FORMAT_SPACE_PADDED_LEN)));
 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         sid_copy(&user_sid, get_global_sam_sid());
 460         sid_append_rid(&user_sid, delta->user_rid);
 461
 462         DEBUG(3, ("Attempting to find SID %s for user %s in the passdb\n", sid_to_string(sid_string, &user_sid), account));
 463         if (!pdb_getsampwsid(sam_account, &user_sid)) {
 464                 sam_account_from_delta(sam_account, delta);
 465                 DEBUG(3, ("Attempting to add user SID %s for user %s in the passdb\n",
 466                           sid_to_string(sid_string, &user_sid), pdb_get_username(sam_account)));
 467                 if (!pdb_add_sam_account(sam_account)) {
 468                         DEBUG(1, ("SAM Account for %s failed to be added to the passdb!\n",
 469                                   account));
 470                         return NT_STATUS_ACCESS_DENIED;
 471                 }
 472         } else {
 473                 sam_account_from_delta(sam_account, delta);
 474                 DEBUG(3, ("Attempting to update user SID %s for user %s in the passdb\n",
 475                           sid_to_string(sid_string, &user_sid), pdb_get_username(sam_account)));
 476                 if (!pdb_update_sam_account(sam_account)) {
 477                         DEBUG(1, ("SAM Account for %s failed to be updated in the passdb!\n",
 478                                   account));
 479                         pdb_free_sam(&sam_account);
 480                         return NT_STATUS_ACCESS_DENIED;
 481                 }
 482         }
 483
 484         group_sid = *pdb_get_group_sid(sam_account);
 485
 486         if (!pdb_getgrsid(&map, group_sid)) {
 487                 DEBUG(0, ("Primary group of %s has no mapping!\n",
 488                           pdb_get_username(sam_account)));
 489         } else {
 490                 if (map.gid != passwd->pw_gid) {
 491                         if (!(grp = getgrgid(map.gid))) {
 492                                 DEBUG(0, ("Could not find unix group %lu for user %s (group SID=%s)\n",
 493                                           (unsigned long)map.gid, pdb_get_username(sam_account), sid_string_static(&group_sid)));
 494                         } else {
 495                                 smb_set_primary_group(grp->gr_name, pdb_get_username(sam_account));
 496                         }
 497                 }
 498         }
 499
 500         if ( !passwd ) {
 501                 DEBUG(1, ("No unix user for this account (%s), cannot adjust mappings\n",
 502                         pdb_get_username(sam_account)));
 503         }
 504
 505  done:
 506         pdb_free_sam(&sam_account);
 507         return nt_ret;
 508 }
 509
 510 static NTSTATUS
 511 fetch_group_info(uint32 rid, SAM_GROUP_INFO *delta)
 512 {
 513         fstring name;
 514         fstring comment;
 515         struct group *grp = NULL;
 516         DOM_SID group_sid;
 517         fstring sid_string;
 518         GROUP_MAP map;
 519         BOOL insert = True;
 520
 521         unistr2_to_ascii(name, &delta->uni_grp_name, sizeof(name)-1);
 522         unistr2_to_ascii(comment, &delta->uni_grp_desc, sizeof(comment)-1);
 523
 524         /* add the group to the mapping table */
 525         sid_copy(&group_sid, get_global_sam_sid());
 526         sid_append_rid(&group_sid, rid);
 527         sid_to_string(sid_string, &group_sid);
 528
 529         if (pdb_getgrsid(&map, group_sid)) {
 530                 if ( map.gid != -1 )
 531                         grp = getgrgid(map.gid);
 532                 insert = False;
 533         }
 534
 535         if (grp == NULL) {
 536                 gid_t gid;
 537
 538                 /* No group found from mapping, find it from its name. */
 539                 if ((grp = getgrnam(name)) == NULL) {
 540
 541                         /* No appropriate group found, create one */
 542
 543                         d_printf("Creating unix group: '%s'\n", name);
 544
 545                         if (smb_create_group(name, &gid) != 0)
 546                                 return NT_STATUS_ACCESS_DENIED;
 547
 548                         if ((grp = getgrnam(name)) == NULL)
 549                                 return NT_STATUS_ACCESS_DENIED;
 550                 }
 551         }
 552
 553         map.gid = grp->gr_gid;
 554         map.sid = group_sid;
 555         map.sid_name_use = SID_NAME_DOM_GRP;
 556         fstrcpy(map.nt_name, name);
 557         if (delta->hdr_grp_desc.buffer) {
 558                 fstrcpy(map.comment, comment);
 559         } else {
 560                 fstrcpy(map.comment, "");
 561         }
 562
 563         if (insert)
 564                 pdb_add_group_mapping_entry(&map);
 565         else
 566                 pdb_update_group_mapping_entry(&map);
 567
 568         return NT_STATUS_OK;
 569 }
 570
 571 static NTSTATUS
 572 fetch_group_mem_info(uint32 rid, SAM_GROUP_MEM_INFO *delta)
 573 {
 574         int i;
 575         TALLOC_CTX *t = NULL;
 576         char **nt_members = NULL;
 577         char **unix_members;
 578         DOM_SID group_sid;
 579         GROUP_MAP map;
 580         struct group *grp;
 581
 582         if (delta->num_members == 0) {
 583                 return NT_STATUS_OK;
 584         }
 585
 586         sid_copy(&group_sid, get_global_sam_sid());
 587         sid_append_rid(&group_sid, rid);
 588
 589         if (!get_domain_group_from_sid(group_sid, &map)) {
 590                 DEBUG(0, ("Could not find global group %d\n", rid));
 591                 return NT_STATUS_NO_SUCH_GROUP;
 592         }
 593
 594         if (!(grp = getgrgid(map.gid))) {
 595                 DEBUG(0, ("Could not find unix group %lu\n", (unsigned long)map.gid));
 596                 return NT_STATUS_NO_SUCH_GROUP;
 597         }
 598
 599         d_printf("Group members of %s: ", grp->gr_name);
 600
 601         if (!(t = talloc_init("fetch_group_mem_info"))) {
 602                 DEBUG(0, ("could not talloc_init\n"));
 603                 return NT_STATUS_NO_MEMORY;
 604         }
 605
 606         nt_members = TALLOC_ZERO_ARRAY(t, char *, delta->num_members);
 607
 608         for (i=0; i<delta->num_members; i++) {
 609                 NTSTATUS nt_status;
 610                 SAM_ACCOUNT *member = NULL;
 611                 DOM_SID member_sid;
 612
 613                 if (!NT_STATUS_IS_OK(nt_status = pdb_init_sam_talloc(t, &member))) {
 614                         talloc_destroy(t);
 615                         return nt_status;
 616                 }
 617
 618                 sid_copy(&member_sid, get_global_sam_sid());
 619                 sid_append_rid(&member_sid, delta->rids[i]);
 620
 621                 if (!pdb_getsampwsid(member, &member_sid)) {
 622                         DEBUG(1, ("Found bogus group member: %d (member_sid=%s group=%s)\n",
 623                                   delta->rids[i], sid_string_static(&member_sid), grp->gr_name));
 624                         pdb_free_sam(&member);
 625                         continue;
 626                 }
 627
 628                 if (pdb_get_group_rid(member) == rid) {
 629                         d_printf("%s(primary),", pdb_get_username(member));
 630                         pdb_free_sam(&member);
 631                         continue;
 632                 }
 633
 634                 d_printf("%s,", pdb_get_username(member));
 635                 nt_members[i] = talloc_strdup(t, pdb_get_username(member));
 636                 pdb_free_sam(&member);
 637         }
 638
 639         d_printf("\n");
 640
 641         unix_members = grp->gr_mem;
 642
 643         while (*unix_members) {
 644                 BOOL is_nt_member = False;
 645                 for (i=0; i<delta->num_members; i++) {
 646                         if (nt_members[i] == NULL) {
 647                                 /* This was a primary group */
 648                                 continue;
 649                         }
 650
 651                         if (strcmp(*unix_members, nt_members[i]) == 0) {
 652                                 is_nt_member = True;
 653                                 break;
 654                         }
 655                 }
 656                 if (!is_nt_member) {
 657                         /* We look at a unix group member that is not
 658                            an nt group member. So, remove it. NT is
 659                            boss here. */
 660                         smb_delete_user_group(grp->gr_name, *unix_members);
 661                 }
 662                 unix_members += 1;
 663         }
 664
 665         for (i=0; i<delta->num_members; i++) {
 666                 BOOL is_unix_member = False;
 667
 668                 if (nt_members[i] == NULL) {
 669                         /* This was the primary group */
 670                         continue;
 671                 }
 672
 673                 unix_members = grp->gr_mem;
 674
 675                 while (*unix_members) {
 676                         if (strcmp(*unix_members, nt_members[i]) == 0) {
 677                                 is_unix_member = True;
 678                                 break;
 679                         }
 680                         unix_members += 1;
 681                 }
 682
 683                 if (!is_unix_member) {
 684                         /* We look at a nt group member that is not a
 685                            unix group member currently. So, add the nt
 686                            group member. */
 687                         smb_add_user_group(grp->gr_name, nt_members[i]);
 688                 }
 689         }
 690
 691         talloc_destroy(t);
 692         return NT_STATUS_OK;
 693 }
 694
 695 static NTSTATUS fetch_alias_info(uint32 rid, SAM_ALIAS_INFO *delta,
 696                                  DOM_SID dom_sid)
 697 {
 698         fstring name;
 699         fstring comment;
 700         struct group *grp = NULL;
 701         DOM_SID alias_sid;
 702         fstring sid_string;
 703         GROUP_MAP map;
 704         BOOL insert = True;
 705
 706         unistr2_to_ascii(name, &delta->uni_als_name, sizeof(name)-1);
 707         unistr2_to_ascii(comment, &delta->uni_als_desc, sizeof(comment)-1);
 708
 709         /* Find out whether the group is already mapped */
 710         sid_copy(&alias_sid, &dom_sid);
 711         sid_append_rid(&alias_sid, rid);
 712         sid_to_string(sid_string, &alias_sid);
 713
 714         if (pdb_getgrsid(&map, alias_sid)) {
 715                 grp = getgrgid(map.gid);
 716                 insert = False;
 717         }
 718
 719         if (grp == NULL) {
 720                 gid_t gid;
 721
 722                 /* No group found from mapping, find it from its name. */
 723                 if ((grp = getgrnam(name)) == NULL) {
 724                         /* No appropriate group found, create one */
 725                         d_printf("Creating unix group: '%s'\n", name);
 726                         if (smb_create_group(name, &gid) != 0)
 727                                 return NT_STATUS_ACCESS_DENIED;
 728                         if ((grp = getgrgid(gid)) == NULL)
 729                                 return NT_STATUS_ACCESS_DENIED;
 730                 }
 731         }
 732
 733         map.gid = grp->gr_gid;
 734         map.sid = alias_sid;
 735
 736         if (sid_equal(&dom_sid, &global_sid_Builtin))
 737                 map.sid_name_use = SID_NAME_WKN_GRP;
 738         else
 739                 map.sid_name_use = SID_NAME_ALIAS;
 740
 741         fstrcpy(map.nt_name, name);
 742         fstrcpy(map.comment, comment);
 743
 744         if (insert)
 745                 pdb_add_group_mapping_entry(&map);
 746         else
 747                 pdb_update_group_mapping_entry(&map);
 748
 749         return NT_STATUS_OK;
 750 }
 751
 752 static NTSTATUS
 753 fetch_alias_mem(uint32 rid, SAM_ALIAS_MEM_INFO *delta, DOM_SID dom_sid)
 754 {
 755 #if 0   /*
 756          * commented out right now after talking to Volker.  Can't
 757          * do much with the membership but seemed a shame to waste
 758          * somewhat working code.  Needs testing because the membership
 759          * that shows up surprises me.  Also can't do much with groups
 760          * in groups (e.g. Domain Admins being a member of Adminsitrators).
 761          * --jerry
 762          */
 763
 764         int i;
 765         TALLOC_CTX *t = NULL;
 766         char **nt_members = NULL;
 767         char **unix_members;
 768         DOM_SID group_sid;
 769         GROUP_MAP map;
 770         struct group *grp;
 771         enum SID_NAME_USE sid_type;
 772
 773         if (delta->num_members == 0) {
 774                 return NT_STATUS_OK;
 775         }
 776
 777         sid_copy(&group_sid, &dom_sid);
 778         sid_append_rid(&group_sid, rid);
 779
 780         if (sid_equal(&dom_sid, &global_sid_Builtin)) {
 781                 sid_type = SID_NAME_WKN_GRP;
 782                 if (!get_builtin_group_from_sid(&group_sid, &map, False)) {
 783                         DEBUG(0, ("Could not find builtin group %s\n", sid_string_static(&group_sid)));
 784                         return NT_STATUS_NO_SUCH_GROUP;
 785                 }
 786         } else {
 787                 sid_type = SID_NAME_ALIAS;
 788                 if (!get_local_group_from_sid(&group_sid, &map, False)) {
 789                         DEBUG(0, ("Could not find local group %s\n", sid_string_static(&group_sid)));
 790                         return NT_STATUS_NO_SUCH_GROUP;
 791                 }
 792         }
 793
 794         if (!(grp = getgrgid(map.gid))) {
 795                 DEBUG(0, ("Could not find unix group %d\n", map.gid));
 796                 return NT_STATUS_NO_SUCH_GROUP;
 797         }
 798
 799         d_printf("Group members of %s: ", grp->gr_name);
 800
 801         if (!(t = talloc_init("fetch_group_mem_info"))) {
 802                 DEBUG(0, ("could not talloc_init\n"));
 803                 return NT_STATUS_NO_MEMORY;
 804         }
 805
 806         nt_members = talloc_zero(t, sizeof(char *) * delta->num_members);
 807
 808         for (i=0; i<delta->num_members; i++) {
 809                 NTSTATUS nt_status;
 810                 SAM_ACCOUNT *member = NULL;
 811                 DOM_SID member_sid;
 812
 813                 if (!NT_STATUS_IS_OK(nt_status = pdb_init_sam_talloc(t, &member))) {
 814                         talloc_destroy(t);
 815                         return nt_status;
 816                 }
 817
 818                 sid_copy(&member_sid, &delta->sids[i].sid);
 819
 820                 if (!pdb_getsampwsid(member, &member_sid)) {
 821                         DEBUG(1, ("Found bogus group member: (member_sid=%s group=%s)\n",
 822                                   sid_string_static(&member_sid), grp->gr_name));
 823                         pdb_free_sam(&member);
 824                         continue;
 825                 }
 826
 827                 if (pdb_get_group_rid(member) == rid) {
 828                         d_printf("%s(primary),", pdb_get_username(member));
 829                         pdb_free_sam(&member);
 830                         continue;
 831                 }
 832
 833                 d_printf("%s,", pdb_get_username(member));
 834                 nt_members[i] = talloc_strdup(t, pdb_get_username(member));
 835                 pdb_free_sam(&member);
 836         }
 837
 838         d_printf("\n");
 839
 840         unix_members = grp->gr_mem;
 841
 842         while (*unix_members) {
 843                 BOOL is_nt_member = False;
 844                 for (i=0; i<delta->num_members; i++) {
 845                         if (nt_members[i] == NULL) {
 846                                 /* This was a primary group */
 847                                 continue;
 848                         }
 849
 850                         if (strcmp(*unix_members, nt_members[i]) == 0) {
 851                                 is_nt_member = True;
 852                                 break;
 853                         }
 854                 }
 855                 if (!is_nt_member) {
 856                         /* We look at a unix group member that is not
 857                            an nt group member. So, remove it. NT is
 858                            boss here. */
 859                         smb_delete_user_group(grp->gr_name, *unix_members);
 860                 }
 861                 unix_members += 1;
 862         }
 863
 864         for (i=0; i<delta->num_members; i++) {
 865                 BOOL is_unix_member = False;
 866
 867                 if (nt_members[i] == NULL) {
 868                         /* This was the primary group */
 869                         continue;
 870                 }
 871
 872                 unix_members = grp->gr_mem;
 873
 874                 while (*unix_members) {
 875                         if (strcmp(*unix_members, nt_members[i]) == 0) {
 876                                 is_unix_member = True;
 877                                 break;
 878                         }
 879                         unix_members += 1;
 880                 }
 881
 882                 if (!is_unix_member) {
 883                         /* We look at a nt group member that is not a
 884                            unix group member currently. So, add the nt
 885                            group member. */
 886                         smb_add_user_group(grp->gr_name, nt_members[i]);
 887                 }
 888         }
 889
 890         talloc_destroy(t);
 891
 892 #endif  /* end of fetch_alias_mem() */
 893
 894         return NT_STATUS_OK;
 895 }
 896
 897 static void
 898 fetch_sam_entry(SAM_DELTA_HDR *hdr_delta, SAM_DELTA_CTR *delta,
 899                 DOM_SID dom_sid)
 900 {
 901         switch(hdr_delta->type) {
 902         case SAM_DELTA_ACCOUNT_INFO:
 903                 fetch_account_info(hdr_delta->target_rid,
 904                                    &delta->account_info);
 905                 break;
 906         case SAM_DELTA_GROUP_INFO:
 907                 fetch_group_info(hdr_delta->target_rid,
 908                                  &delta->group_info);
 909                 break;
 910         case SAM_DELTA_GROUP_MEM:
 911                 fetch_group_mem_info(hdr_delta->target_rid,
 912                                      &delta->grp_mem_info);
 913                 break;
 914         case SAM_DELTA_ALIAS_INFO:
 915                 fetch_alias_info(hdr_delta->target_rid,
 916                                  &delta->alias_info, dom_sid);
 917                 break;
 918         case SAM_DELTA_ALIAS_MEM:
 919                 fetch_alias_mem(hdr_delta->target_rid,
 920                                 &delta->als_mem_info, dom_sid);
 921                 break;
 922         /* The following types are recognised but not handled */
 923         case SAM_DELTA_DOMAIN_INFO:
 924                 d_printf("SAM_DELTA_DOMAIN_INFO not handled\n");
 925                 break;
 926         case SAM_DELTA_RENAME_GROUP:
 927                 d_printf("SAM_DELTA_RENAME_GROUP not handled\n");
 928                 break;
 929         case SAM_DELTA_RENAME_USER:
 930                 d_printf("SAM_DELTA_RENAME_USER not handled\n");
 931                 break;
 932         case SAM_DELTA_RENAME_ALIAS:
 933                 d_printf("SAM_DELTA_RENAME_ALIAS not handled\n");
 934                 break;
 935         case SAM_DELTA_POLICY_INFO:
 936                 d_printf("SAM_DELTA_POLICY_INFO not handled\n");
 937                 break;
 938         case SAM_DELTA_TRUST_DOMS:
 939                 d_printf("SAM_DELTA_TRUST_DOMS not handled\n");
 940                 break;
 941         case SAM_DELTA_PRIVS_INFO:
 942                 d_printf("SAM_DELTA_PRIVS_INFO not handled\n");
 943                 break;
 944         case SAM_DELTA_SECRET_INFO:
 945                 d_printf("SAM_DELTA_SECRET_INFO not handled\n");
 946                 break;
 947         case SAM_DELTA_DELETE_GROUP:
 948                 d_printf("SAM_DELTA_DELETE_GROUP not handled\n");
 949                 break;
 950         case SAM_DELTA_DELETE_USER:
 951                 d_printf("SAM_DELTA_DELETE_USER not handled\n");
 952                 break;
 953         case SAM_DELTA_MODIFIED_COUNT:
 954                 d_printf("SAM_DELTA_MODIFIED_COUNT not handled\n");
 955                 break;
 956         default:
 957                 d_printf("Unknown delta record type %d\n", hdr_delta->type);
 958                 break;
 959         }
 960 }
 961
 962 static NTSTATUS
 963 fetch_database(struct cli_state *cli, unsigned db_type, DOM_CRED *ret_creds,
 964                DOM_SID dom_sid)
 965 {
 966         unsigned sync_context = 0;
 967         NTSTATUS result;
 968         int i;
 969         TALLOC_CTX *mem_ctx;
 970         SAM_DELTA_HDR *hdr_deltas;
 971         SAM_DELTA_CTR *deltas;
 972         uint32 num_deltas;
 973
 974         if (!(mem_ctx = talloc_init("fetch_database")))
 975                 return NT_STATUS_NO_MEMORY;
 976
 977         switch( db_type ) {
 978         case SAM_DATABASE_DOMAIN:
 979                 d_printf("Fetching DOMAIN database\n");
 980                 break;
 981         case SAM_DATABASE_BUILTIN:
 982                 d_printf("Fetching BUILTIN database\n");
 983                 break;
 984         case SAM_DATABASE_PRIVS:
 985                 d_printf("Fetching PRIVS databases\n");
 986                 break;
 987         default:
 988                 d_printf("Fetching unknown database type %u\n", db_type );
 989                 break;
 990         }
 991
 992         do {
 993                 result = cli_netlogon_sam_sync(cli, mem_ctx, ret_creds,
 994                                                db_type, sync_context,
 995                                                &num_deltas,
 996                                                &hdr_deltas, &deltas);
 997
 998                 if (NT_STATUS_IS_OK(result) ||
 999                     NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES)) {
1000
1001                         clnt_deal_with_creds(cli->sess_key, &(cli->clnt_cred),
1002                                              ret_creds);
1003
1004                         for (i = 0; i < num_deltas; i++) {
1005                                 fetch_sam_entry(&hdr_deltas[i], &deltas[i], dom_sid);
1006                         }
1007                 } else
1008                         return result;
1009
1010                 sync_context += 1;
1011         } while (NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES));
1012
1013         talloc_destroy(mem_ctx);
1014
1015         return result;
1016 }
1017
1018 /* dump sam database via samsync rpc calls */
1019 NTSTATUS rpc_vampire_internals(const DOM_SID *domain_sid,
1020                                const char *domain_name,
1021                                struct cli_state *cli, TALLOC_CTX *mem_ctx,
1022                                int argc, const char **argv)
1023 {
1024         NTSTATUS result;
1025         uchar trust_password[16];
1026         DOM_CRED ret_creds;
1027         fstring my_dom_sid_str;
1028         fstring rem_dom_sid_str;
1029         uint32 sec_channel;
1030
1031         ZERO_STRUCT(ret_creds);
1032
1033         if (!sid_equal(domain_sid, get_global_sam_sid())) {
1034                 d_printf("Cannot import users from %s at this time, "
1035                          "as the current domain:\n\t%s: %s\nconflicts "
1036                          "with the remote domain\n\t%s: %s\n"
1037                          "Perhaps you need to set: \n\n\tsecurity=user\n\tworkgroup=%s\n\n in your smb.conf?\n",
1038                          domain_name,
1039                          get_global_sam_name(), sid_to_string(my_dom_sid_str,
1040                                                               get_global_sam_sid()),
1041                          domain_name, sid_to_string(rem_dom_sid_str, domain_sid),
1042                          domain_name);
1043                 return NT_STATUS_UNSUCCESSFUL;
1044         }
1045
1046         fstrcpy(cli->domain, domain_name);
1047
1048         if (!secrets_fetch_trust_account_password(domain_name,
1049                                                   trust_password, NULL,
1050                                                   &sec_channel)) {
1051                 result = NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
1052                 d_printf("Could not retrieve domain trust secret\n");
1053                 goto fail;
1054         }
1055
1056         result = cli_nt_establish_netlogon(cli, sec_channel, trust_password);
1057
1058         if (!NT_STATUS_IS_OK(result)) {
1059                 d_printf("Failed to setup BDC creds\n");
1060                 goto fail;
1061         }
1062
1063         result = fetch_database(cli, SAM_DATABASE_DOMAIN, &ret_creds, *domain_sid);
1064
1065         if (!NT_STATUS_IS_OK(result)) {
1066                 d_printf("Failed to fetch domain database: %s\n",
1067                          nt_errstr(result));
1068                 if (NT_STATUS_EQUAL(result, NT_STATUS_NOT_SUPPORTED))
1069                         d_printf("Perhaps %s is a Windows 2000 native mode "
1070                                  "domain?\n", domain_name);
1071                 goto fail;
1072         }
1073
1074         result = fetch_database(cli, SAM_DATABASE_BUILTIN, &ret_creds,
1075                                 global_sid_Builtin);
1076
1077         if (!NT_STATUS_IS_OK(result)) {
1078                 d_printf("Failed to fetch builtin database: %s\n",
1079                          nt_errstr(result));
1080                 goto fail;
1081         }
1082
1083         /* Currently we crash on PRIVS somewhere in unmarshalling */
1084         /* Dump_database(cli, SAM_DATABASE_PRIVS, &ret_creds); */
1085
1086 fail:
1087         return result;
1088 }