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         /* User and group sid */
 326         if (pdb_get_user_rid(account) != delta->user_rid)
 327                 pdb_set_user_sid_from_rid(account, delta->user_rid, PDB_CHANGED);
 328         if (pdb_get_group_rid(account) != delta->group_rid)
 329                 pdb_set_group_sid_from_rid(account, delta->group_rid, PDB_CHANGED);
 330
 331         /* Logon and password information */
 332         if (!nt_time_is_zero(&delta->logon_time)) {
 333                 unix_time = nt_time_to_unix(&delta->logon_time);
 334                 stored_time = pdb_get_logon_time(account);
 335                 if (stored_time != unix_time)
 336                         pdb_set_logon_time(account, unix_time, PDB_CHANGED);
 337         }
 338
 339         if (!nt_time_is_zero(&delta->logoff_time)) {
 340                 unix_time = nt_time_to_unix(&delta->logoff_time);
 341                 stored_time = pdb_get_logoff_time(account);
 342                 if (stored_time != unix_time)
 343                         pdb_set_logoff_time(account, unix_time,PDB_CHANGED);
 344         }
 345
 346         if (pdb_get_logon_divs(account) != delta->logon_divs)
 347                 pdb_set_logon_divs(account, delta->logon_divs, PDB_CHANGED);
 348
 349         /* TODO: logon hours */
 350         /* TODO: bad password count */
 351         /* TODO: logon count */
 352
 353         if (!nt_time_is_zero(&delta->pwd_last_set_time)) {
 354                 unix_time = nt_time_to_unix(&delta->pwd_last_set_time);
 355                 stored_time = pdb_get_pass_last_set_time(account);
 356                 if (stored_time != unix_time)
 357                         pdb_set_pass_last_set_time(account, unix_time, PDB_CHANGED);
 358         }
 359
 360 #if 0
 361 /*      No kickoff time in the delta? */
 362         if (!nt_time_is_zero(&delta->kickoff_time)) {
 363                 unix_time = nt_time_to_unix(&delta->kickoff_time);
 364                 stored_time = pdb_get_kickoff_time(account);
 365                 if (stored_time != unix_time)
 366                         pdb_set_kickoff_time(account, unix_time, PDB_CHANGED);
 367         }
 368 #endif
 369
 370         /* Decode hashes from password hash
 371            Note that win2000 may send us all zeros for the hashes if it doesn't
 372            think this channel is secure enough - don't set the passwords at all
 373            in that case
 374         */
 375         if (memcmp(delta->pass.buf_lm_pwd, zero_buf, 16) != 0) {
 376                 sam_pwd_hash(delta->user_rid, delta->pass.buf_lm_pwd, lm_passwd, 0);
 377                 pdb_set_lanman_passwd(account, lm_passwd, PDB_CHANGED);
 378         }
 379
 380         if (memcmp(delta->pass.buf_nt_pwd, zero_buf, 16) != 0) {
 381                 sam_pwd_hash(delta->user_rid, delta->pass.buf_nt_pwd, nt_passwd, 0);
 382                 pdb_set_nt_passwd(account, nt_passwd, PDB_CHANGED);
 383         }
 384
 385         /* TODO: account expiry time */
 386
 387         if (pdb_get_acct_ctrl(account) != delta->acb_info)
 388                 pdb_set_acct_ctrl(account, delta->acb_info, PDB_CHANGED);
 389
 390         pdb_set_domain(account, lp_workgroup(), PDB_CHANGED);
 391
 392         return NT_STATUS_OK;
 393 }
 394
 395 static NTSTATUS fetch_account_info(uint32 rid, SAM_ACCOUNT_INFO *delta)
 396 {
 397         NTSTATUS nt_ret;
 398         fstring account;
 399         pstring add_script;
 400         SAM_ACCOUNT *sam_account=NULL;
 401         GROUP_MAP map;
 402         struct group *grp;
 403         DOM_SID user_sid;
 404         DOM_SID group_sid;
 405         struct passwd *passwd;
 406         fstring sid_string;
 407
 408         fstrcpy(account, unistr2_static(&delta->uni_acct_name));
 409         d_printf("Creating account: %s\n", account);
 410
 411         if (!NT_STATUS_IS_OK(nt_ret = pdb_init_sam(&sam_account)))
 412                 return nt_ret;
 413
 414         if (!(passwd = Get_Pwnam(account))) {
 415                 /* Create appropriate user */
 416                 if (delta->acb_info & ACB_NORMAL) {
 417                         pstrcpy(add_script, lp_adduser_script());
 418                 } else if ( (delta->acb_info & ACB_WSTRUST) ||
 419                             (delta->acb_info & ACB_SVRTRUST) ||
 420                             (delta->acb_info & ACB_DOMTRUST) ) {
 421                         pstrcpy(add_script, lp_addmachine_script());
 422                 } else {
 423                         DEBUG(1, ("Unknown user type: %s\n",
 424                                   pdb_encode_acct_ctrl(delta->acb_info, NEW_PW_FORMAT_SPACE_PADDED_LEN)));
 425                         nt_ret = NT_STATUS_UNSUCCESSFUL;
 426                         goto done;
 427                 }
 428                 if (*add_script) {
 429                         int add_ret;
 430                         all_string_sub(add_script, "%u", account,
 431                                        sizeof(account));
 432                         add_ret = smbrun(add_script,NULL);
 433                         DEBUG(1,("fetch_account: Running the command `%s' "
 434                                  "gave %d\n", add_script, add_ret));
 435                 } else {
 436                         DEBUG(8,("fetch_account_info: no add user/machine script.  Asking winbindd\n"));
 437
 438                         /* don't need a RID allocated since the user already has a SID */
 439                         if ( !winbind_create_user( account, NULL ) )
 440                                 DEBUG(4,("fetch_account_info: winbind_create_user() failed\n"));
 441                 }
 442
 443                 /* try and find the possible unix account again */
 444                 if ( !(passwd = Get_Pwnam(account)) ) {
 445                         d_printf("Could not create posix account info for '%s'\n", account);
 446                         nt_ret = NT_STATUS_NO_SUCH_USER;
 447                         goto done;
 448                 }
 449         }
 450
 451         sid_copy(&user_sid, get_global_sam_sid());
 452         sid_append_rid(&user_sid, delta->user_rid);
 453
 454         DEBUG(3, ("Attempting to find SID %s for user %s in the passdb\n", sid_to_string(sid_string, &user_sid), account));
 455         if (!pdb_getsampwsid(sam_account, &user_sid)) {
 456                 sam_account_from_delta(sam_account, delta);
 457                 DEBUG(3, ("Attempting to add user SID %s for user %s in the passdb\n",
 458                           sid_to_string(sid_string, &user_sid), pdb_get_username(sam_account)));
 459                 if (!pdb_add_sam_account(sam_account)) {
 460                         DEBUG(1, ("SAM Account for %s failed to be added to the passdb!\n",
 461                                   account));
 462                         return NT_STATUS_ACCESS_DENIED;
 463                 }
 464         } else {
 465                 sam_account_from_delta(sam_account, delta);
 466                 DEBUG(3, ("Attempting to update 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_update_sam_account(sam_account)) {
 469                         DEBUG(1, ("SAM Account for %s failed to be updated in the passdb!\n",
 470                                   account));
 471                         pdb_free_sam(&sam_account);
 472                         return NT_STATUS_ACCESS_DENIED;
 473                 }
 474         }
 475
 476         group_sid = *pdb_get_group_sid(sam_account);
 477
 478         if (!pdb_getgrsid(&map, group_sid)) {
 479                 DEBUG(0, ("Primary group of %s has no mapping!\n",
 480                           pdb_get_username(sam_account)));
 481         } else {
 482                 if (map.gid != passwd->pw_gid) {
 483                         if (!(grp = getgrgid(map.gid))) {
 484                                 DEBUG(0, ("Could not find unix group %lu for user %s (group SID=%s)\n",
 485                                           (unsigned long)map.gid, pdb_get_username(sam_account), sid_string_static(&group_sid)));
 486                         } else {
 487                                 smb_set_primary_group(grp->gr_name, pdb_get_username(sam_account));
 488                         }
 489                 }
 490         }
 491
 492         if ( !passwd ) {
 493                 DEBUG(1, ("No unix user for this account (%s), cannot adjust mappings\n",
 494                         pdb_get_username(sam_account)));
 495         }
 496
 497  done:
 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                 if ( map.gid != -1 )
 523                         grp = getgrgid(map.gid);
 524                 insert = False;
 525         }
 526
 527         if (grp == NULL) {
 528                 gid_t gid;
 529
 530                 /* No group found from mapping, find it from its name. */
 531                 if ((grp = getgrnam(name)) == NULL) {
 532
 533                         /* No appropriate group found, create one */
 534
 535                         d_printf("Creating unix group: '%s'\n", name);
 536
 537                         if (smb_create_group(name, &gid) != 0)
 538                                 return NT_STATUS_ACCESS_DENIED;
 539
 540                         if ((grp = getgrnam(name)) == NULL)
 541                                 return NT_STATUS_ACCESS_DENIED;
 542                 }
 543         }
 544
 545         map.gid = grp->gr_gid;
 546         map.sid = group_sid;
 547         map.sid_name_use = SID_NAME_DOM_GRP;
 548         fstrcpy(map.nt_name, name);
 549         if (delta->hdr_grp_desc.buffer) {
 550                 fstrcpy(map.comment, comment);
 551         } else {
 552                 fstrcpy(map.comment, "");
 553         }
 554
 555         if (insert)
 556                 pdb_add_group_mapping_entry(&map);
 557         else
 558                 pdb_update_group_mapping_entry(&map);
 559
 560         return NT_STATUS_OK;
 561 }
 562
 563 static NTSTATUS
 564 fetch_group_mem_info(uint32 rid, SAM_GROUP_MEM_INFO *delta)
 565 {
 566         int i;
 567         TALLOC_CTX *t = NULL;
 568         char **nt_members = NULL;
 569         char **unix_members;
 570         DOM_SID group_sid;
 571         GROUP_MAP map;
 572         struct group *grp;
 573
 574         if (delta->num_members == 0) {
 575                 return NT_STATUS_OK;
 576         }
 577
 578         sid_copy(&group_sid, get_global_sam_sid());
 579         sid_append_rid(&group_sid, rid);
 580
 581         if (!get_domain_group_from_sid(group_sid, &map)) {
 582                 DEBUG(0, ("Could not find global group %d\n", rid));
 583                 return NT_STATUS_NO_SUCH_GROUP;
 584         }
 585
 586         if (!(grp = getgrgid(map.gid))) {
 587                 DEBUG(0, ("Could not find unix group %lu\n", (unsigned long)map.gid));
 588                 return NT_STATUS_NO_SUCH_GROUP;
 589         }
 590
 591         d_printf("Group members of %s: ", grp->gr_name);
 592
 593         if (!(t = talloc_init("fetch_group_mem_info"))) {
 594                 DEBUG(0, ("could not talloc_init\n"));
 595                 return NT_STATUS_NO_MEMORY;
 596         }
 597
 598         nt_members = TALLOC_ZERO_ARRAY(t, char *, delta->num_members);
 599
 600         for (i=0; i<delta->num_members; i++) {
 601                 NTSTATUS nt_status;
 602                 SAM_ACCOUNT *member = NULL;
 603                 DOM_SID member_sid;
 604
 605                 if (!NT_STATUS_IS_OK(nt_status = pdb_init_sam_talloc(t, &member))) {
 606                         talloc_destroy(t);
 607                         return nt_status;
 608                 }
 609
 610                 sid_copy(&member_sid, get_global_sam_sid());
 611                 sid_append_rid(&member_sid, delta->rids[i]);
 612
 613                 if (!pdb_getsampwsid(member, &member_sid)) {
 614                         DEBUG(1, ("Found bogus group member: %d (member_sid=%s group=%s)\n",
 615                                   delta->rids[i], sid_string_static(&member_sid), grp->gr_name));
 616                         pdb_free_sam(&member);
 617                         continue;
 618                 }
 619
 620                 if (pdb_get_group_rid(member) == rid) {
 621                         d_printf("%s(primary),", pdb_get_username(member));
 622                         pdb_free_sam(&member);
 623                         continue;
 624                 }
 625
 626                 d_printf("%s,", pdb_get_username(member));
 627                 nt_members[i] = talloc_strdup(t, pdb_get_username(member));
 628                 pdb_free_sam(&member);
 629         }
 630
 631         d_printf("\n");
 632
 633         unix_members = grp->gr_mem;
 634
 635         while (*unix_members) {
 636                 BOOL is_nt_member = False;
 637                 for (i=0; i<delta->num_members; i++) {
 638                         if (nt_members[i] == NULL) {
 639                                 /* This was a primary group */
 640                                 continue;
 641                         }
 642
 643                         if (strcmp(*unix_members, nt_members[i]) == 0) {
 644                                 is_nt_member = True;
 645                                 break;
 646                         }
 647                 }
 648                 if (!is_nt_member) {
 649                         /* We look at a unix group member that is not
 650                            an nt group member. So, remove it. NT is
 651                            boss here. */
 652                         smb_delete_user_group(grp->gr_name, *unix_members);
 653                 }
 654                 unix_members += 1;
 655         }
 656
 657         for (i=0; i<delta->num_members; i++) {
 658                 BOOL is_unix_member = False;
 659
 660                 if (nt_members[i] == NULL) {
 661                         /* This was the primary group */
 662                         continue;
 663                 }
 664
 665                 unix_members = grp->gr_mem;
 666
 667                 while (*unix_members) {
 668                         if (strcmp(*unix_members, nt_members[i]) == 0) {
 669                                 is_unix_member = True;
 670                                 break;
 671                         }
 672                         unix_members += 1;
 673                 }
 674
 675                 if (!is_unix_member) {
 676                         /* We look at a nt group member that is not a
 677                            unix group member currently. So, add the nt
 678                            group member. */
 679                         smb_add_user_group(grp->gr_name, nt_members[i]);
 680                 }
 681         }
 682
 683         talloc_destroy(t);
 684         return NT_STATUS_OK;
 685 }
 686
 687 static NTSTATUS fetch_alias_info(uint32 rid, SAM_ALIAS_INFO *delta,
 688                                  DOM_SID dom_sid)
 689 {
 690         fstring name;
 691         fstring comment;
 692         struct group *grp = NULL;
 693         DOM_SID alias_sid;
 694         fstring sid_string;
 695         GROUP_MAP map;
 696         BOOL insert = True;
 697
 698         unistr2_to_ascii(name, &delta->uni_als_name, sizeof(name)-1);
 699         unistr2_to_ascii(comment, &delta->uni_als_desc, sizeof(comment)-1);
 700
 701         /* Find out whether the group is already mapped */
 702         sid_copy(&alias_sid, &dom_sid);
 703         sid_append_rid(&alias_sid, rid);
 704         sid_to_string(sid_string, &alias_sid);
 705
 706         if (pdb_getgrsid(&map, alias_sid)) {
 707                 grp = getgrgid(map.gid);
 708                 insert = False;
 709         }
 710
 711         if (grp == NULL) {
 712                 gid_t gid;
 713
 714                 /* No group found from mapping, find it from its name. */
 715                 if ((grp = getgrnam(name)) == NULL) {
 716                         /* No appropriate group found, create one */
 717                         d_printf("Creating unix group: '%s'\n", name);
 718                         if (smb_create_group(name, &gid) != 0)
 719                                 return NT_STATUS_ACCESS_DENIED;
 720                         if ((grp = getgrgid(gid)) == NULL)
 721                                 return NT_STATUS_ACCESS_DENIED;
 722                 }
 723         }
 724
 725         map.gid = grp->gr_gid;
 726         map.sid = alias_sid;
 727
 728         if (sid_equal(&dom_sid, &global_sid_Builtin))
 729                 map.sid_name_use = SID_NAME_WKN_GRP;
 730         else
 731                 map.sid_name_use = SID_NAME_ALIAS;
 732
 733         fstrcpy(map.nt_name, name);
 734         fstrcpy(map.comment, comment);
 735
 736         if (insert)
 737                 pdb_add_group_mapping_entry(&map);
 738         else
 739                 pdb_update_group_mapping_entry(&map);
 740
 741         return NT_STATUS_OK;
 742 }
 743
 744 static NTSTATUS
 745 fetch_alias_mem(uint32 rid, SAM_ALIAS_MEM_INFO *delta, DOM_SID dom_sid)
 746 {
 747 #if 0   /*
 748          * commented out right now after talking to Volker.  Can't
 749          * do much with the membership but seemed a shame to waste
 750          * somewhat working code.  Needs testing because the membership
 751          * that shows up surprises me.  Also can't do much with groups
 752          * in groups (e.g. Domain Admins being a member of Adminsitrators).
 753          * --jerry
 754          */
 755
 756         int i;
 757         TALLOC_CTX *t = NULL;
 758         char **nt_members = NULL;
 759         char **unix_members;
 760         DOM_SID group_sid;
 761         GROUP_MAP map;
 762         struct group *grp;
 763         enum SID_NAME_USE sid_type;
 764
 765         if (delta->num_members == 0) {
 766                 return NT_STATUS_OK;
 767         }
 768
 769         sid_copy(&group_sid, &dom_sid);
 770         sid_append_rid(&group_sid, rid);
 771
 772         if (sid_equal(&dom_sid, &global_sid_Builtin)) {
 773                 sid_type = SID_NAME_WKN_GRP;
 774                 if (!get_builtin_group_from_sid(&group_sid, &map, False)) {
 775                         DEBUG(0, ("Could not find builtin group %s\n", sid_string_static(&group_sid)));
 776                         return NT_STATUS_NO_SUCH_GROUP;
 777                 }
 778         } else {
 779                 sid_type = SID_NAME_ALIAS;
 780                 if (!get_local_group_from_sid(&group_sid, &map, False)) {
 781                         DEBUG(0, ("Could not find local group %s\n", sid_string_static(&group_sid)));
 782                         return NT_STATUS_NO_SUCH_GROUP;
 783                 }
 784         }
 785
 786         if (!(grp = getgrgid(map.gid))) {
 787                 DEBUG(0, ("Could not find unix group %d\n", map.gid));
 788                 return NT_STATUS_NO_SUCH_GROUP;
 789         }
 790
 791         d_printf("Group members of %s: ", grp->gr_name);
 792
 793         if (!(t = talloc_init("fetch_group_mem_info"))) {
 794                 DEBUG(0, ("could not talloc_init\n"));
 795                 return NT_STATUS_NO_MEMORY;
 796         }
 797
 798         nt_members = talloc_zero(t, sizeof(char *) * delta->num_members);
 799
 800         for (i=0; i<delta->num_members; i++) {
 801                 NTSTATUS nt_status;
 802                 SAM_ACCOUNT *member = NULL;
 803                 DOM_SID member_sid;
 804
 805                 if (!NT_STATUS_IS_OK(nt_status = pdb_init_sam_talloc(t, &member))) {
 806                         talloc_destroy(t);
 807                         return nt_status;
 808                 }
 809
 810                 sid_copy(&member_sid, &delta->sids[i].sid);
 811
 812                 if (!pdb_getsampwsid(member, &member_sid)) {
 813                         DEBUG(1, ("Found bogus group member: (member_sid=%s group=%s)\n",
 814                                   sid_string_static(&member_sid), grp->gr_name));
 815                         pdb_free_sam(&member);
 816                         continue;
 817                 }
 818
 819                 if (pdb_get_group_rid(member) == rid) {
 820                         d_printf("%s(primary),", pdb_get_username(member));
 821                         pdb_free_sam(&member);
 822                         continue;
 823                 }
 824
 825                 d_printf("%s,", pdb_get_username(member));
 826                 nt_members[i] = talloc_strdup(t, pdb_get_username(member));
 827                 pdb_free_sam(&member);
 828         }
 829
 830         d_printf("\n");
 831
 832         unix_members = grp->gr_mem;
 833
 834         while (*unix_members) {
 835                 BOOL is_nt_member = False;
 836                 for (i=0; i<delta->num_members; i++) {
 837                         if (nt_members[i] == NULL) {
 838                                 /* This was a primary group */
 839                                 continue;
 840                         }
 841
 842                         if (strcmp(*unix_members, nt_members[i]) == 0) {
 843                                 is_nt_member = True;
 844                                 break;
 845                         }
 846                 }
 847                 if (!is_nt_member) {
 848                         /* We look at a unix group member that is not
 849                            an nt group member. So, remove it. NT is
 850                            boss here. */
 851                         smb_delete_user_group(grp->gr_name, *unix_members);
 852                 }
 853                 unix_members += 1;
 854         }
 855
 856         for (i=0; i<delta->num_members; i++) {
 857                 BOOL is_unix_member = False;
 858
 859                 if (nt_members[i] == NULL) {
 860                         /* This was the primary group */
 861                         continue;
 862                 }
 863
 864                 unix_members = grp->gr_mem;
 865
 866                 while (*unix_members) {
 867                         if (strcmp(*unix_members, nt_members[i]) == 0) {
 868                                 is_unix_member = True;
 869                                 break;
 870                         }
 871                         unix_members += 1;
 872                 }
 873
 874                 if (!is_unix_member) {
 875                         /* We look at a nt group member that is not a
 876                            unix group member currently. So, add the nt
 877                            group member. */
 878                         smb_add_user_group(grp->gr_name, nt_members[i]);
 879                 }
 880         }
 881
 882         talloc_destroy(t);
 883
 884 #endif  /* end of fetch_alias_mem() */
 885
 886         return NT_STATUS_OK;
 887 }
 888
 889 static void
 890 fetch_sam_entry(SAM_DELTA_HDR *hdr_delta, SAM_DELTA_CTR *delta,
 891                 DOM_SID dom_sid)
 892 {
 893         switch(hdr_delta->type) {
 894         case SAM_DELTA_ACCOUNT_INFO:
 895                 fetch_account_info(hdr_delta->target_rid,
 896                                    &delta->account_info);
 897                 break;
 898         case SAM_DELTA_GROUP_INFO:
 899                 fetch_group_info(hdr_delta->target_rid,
 900                                  &delta->group_info);
 901                 break;
 902         case SAM_DELTA_GROUP_MEM:
 903                 fetch_group_mem_info(hdr_delta->target_rid,
 904                                      &delta->grp_mem_info);
 905                 break;
 906         case SAM_DELTA_ALIAS_INFO:
 907                 fetch_alias_info(hdr_delta->target_rid,
 908                                  &delta->alias_info, dom_sid);
 909                 break;
 910         case SAM_DELTA_ALIAS_MEM:
 911                 fetch_alias_mem(hdr_delta->target_rid,
 912                                 &delta->als_mem_info, dom_sid);
 913                 break;
 914         /* The following types are recognised but not handled */
 915         case SAM_DELTA_DOMAIN_INFO:
 916                 d_printf("SAM_DELTA_DOMAIN_INFO not handled\n");
 917                 break;
 918         case SAM_DELTA_RENAME_GROUP:
 919                 d_printf("SAM_DELTA_RENAME_GROUP not handled\n");
 920                 break;
 921         case SAM_DELTA_RENAME_USER:
 922                 d_printf("SAM_DELTA_RENAME_USER not handled\n");
 923                 break;
 924         case SAM_DELTA_RENAME_ALIAS:
 925                 d_printf("SAM_DELTA_RENAME_ALIAS not handled\n");
 926                 break;
 927         case SAM_DELTA_POLICY_INFO:
 928                 d_printf("SAM_DELTA_POLICY_INFO not handled\n");
 929                 break;
 930         case SAM_DELTA_TRUST_DOMS:
 931                 d_printf("SAM_DELTA_TRUST_DOMS not handled\n");
 932                 break;
 933         case SAM_DELTA_PRIVS_INFO:
 934                 d_printf("SAM_DELTA_PRIVS_INFO not handled\n");
 935                 break;
 936         case SAM_DELTA_SECRET_INFO:
 937                 d_printf("SAM_DELTA_SECRET_INFO not handled\n");
 938                 break;
 939         case SAM_DELTA_DELETE_GROUP:
 940                 d_printf("SAM_DELTA_DELETE_GROUP not handled\n");
 941                 break;
 942         case SAM_DELTA_DELETE_USER:
 943                 d_printf("SAM_DELTA_DELETE_USER not handled\n");
 944                 break;
 945         case SAM_DELTA_MODIFIED_COUNT:
 946                 d_printf("SAM_DELTA_MODIFIED_COUNT not handled\n");
 947                 break;
 948         default:
 949                 d_printf("Unknown delta record type %d\n", hdr_delta->type);
 950                 break;
 951         }
 952 }
 953
 954 static NTSTATUS
 955 fetch_database(struct cli_state *cli, unsigned db_type, DOM_CRED *ret_creds,
 956                DOM_SID dom_sid)
 957 {
 958         unsigned sync_context = 0;
 959         NTSTATUS result;
 960         int i;
 961         TALLOC_CTX *mem_ctx;
 962         SAM_DELTA_HDR *hdr_deltas;
 963         SAM_DELTA_CTR *deltas;
 964         uint32 num_deltas;
 965
 966         if (!(mem_ctx = talloc_init("fetch_database")))
 967                 return NT_STATUS_NO_MEMORY;
 968
 969         switch( db_type ) {
 970         case SAM_DATABASE_DOMAIN:
 971                 d_printf("Fetching DOMAIN database\n");
 972                 break;
 973         case SAM_DATABASE_BUILTIN:
 974                 d_printf("Fetching BUILTIN database\n");
 975                 break;
 976         case SAM_DATABASE_PRIVS:
 977                 d_printf("Fetching PRIVS databases\n");
 978                 break;
 979         default:
 980                 d_printf("Fetching unknown database type %u\n", db_type );
 981                 break;
 982         }
 983
 984         do {
 985                 result = cli_netlogon_sam_sync(cli, mem_ctx, ret_creds,
 986                                                db_type, sync_context,
 987                                                &num_deltas,
 988                                                &hdr_deltas, &deltas);
 989
 990                 if (NT_STATUS_IS_OK(result) ||
 991                     NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES)) {
 992
 993                         clnt_deal_with_creds(cli->sess_key, &(cli->clnt_cred),
 994                                              ret_creds);
 995
 996                         for (i = 0; i < num_deltas; i++) {
 997                                 fetch_sam_entry(&hdr_deltas[i], &deltas[i], dom_sid);
 998                         }
 999                 } else
1000                         return result;
1001
1002                 sync_context += 1;
1003         } while (NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES));
1004
1005         talloc_destroy(mem_ctx);
1006
1007         return result;
1008 }
1009
1010 /* dump sam database via samsync rpc calls */
1011 NTSTATUS rpc_vampire_internals(const DOM_SID *domain_sid,
1012                                const char *domain_name,
1013                                struct cli_state *cli, TALLOC_CTX *mem_ctx,
1014                                int argc, const char **argv)
1015 {
1016         NTSTATUS result;
1017         uchar trust_password[16];
1018         DOM_CRED ret_creds;
1019         fstring my_dom_sid_str;
1020         fstring rem_dom_sid_str;
1021         uint32 sec_channel;
1022
1023         ZERO_STRUCT(ret_creds);
1024
1025         if (!sid_equal(domain_sid, get_global_sam_sid())) {
1026                 d_printf("Cannot import users from %s at this time, "
1027                          "as the current domain:\n\t%s: %s\nconflicts "
1028                          "with the remote domain\n\t%s: %s\n"
1029                          "Perhaps you need to set: \n\n\tsecurity=user\n\tworkgroup=%s\n\n in your smb.conf?\n",
1030                          domain_name,
1031                          get_global_sam_name(), sid_to_string(my_dom_sid_str,
1032                                                               get_global_sam_sid()),
1033                          domain_name, sid_to_string(rem_dom_sid_str, domain_sid),
1034                          domain_name);
1035                 return NT_STATUS_UNSUCCESSFUL;
1036         }
1037
1038         fstrcpy(cli->domain, domain_name);
1039
1040         if (!secrets_fetch_trust_account_password(domain_name,
1041                                                   trust_password, NULL,
1042                                                   &sec_channel)) {
1043                 result = NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
1044                 d_printf("Could not retrieve domain trust secret\n");
1045                 goto fail;
1046         }
1047
1048         result = cli_nt_establish_netlogon(cli, sec_channel, trust_password);
1049
1050         if (!NT_STATUS_IS_OK(result)) {
1051                 d_printf("Failed to setup BDC creds\n");
1052                 goto fail;
1053         }
1054
1055         result = fetch_database(cli, SAM_DATABASE_DOMAIN, &ret_creds, *domain_sid);
1056
1057         if (!NT_STATUS_IS_OK(result)) {
1058                 d_printf("Failed to fetch domain database: %s\n",
1059                          nt_errstr(result));
1060                 if (NT_STATUS_EQUAL(result, NT_STATUS_NOT_SUPPORTED))
1061                         d_printf("Perhaps %s is a Windows 2000 native mode "
1062                                  "domain?\n", domain_name);
1063                 goto fail;
1064         }
1065
1066         result = fetch_database(cli, SAM_DATABASE_BUILTIN, &ret_creds,
1067                                 global_sid_Builtin);
1068
1069         if (!NT_STATUS_IS_OK(result)) {
1070                 d_printf("Failed to fetch builtin database: %s\n",
1071                          nt_errstr(result));
1072                 goto fail;
1073         }
1074
1075         /* Currently we crash on PRIVS somewhere in unmarshalling */
1076         /* Dump_database(cli, SAM_DATABASE_PRIVS, &ret_creds); */
1077
1078 fail:
1079         return result;
1080 }