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                         *add_script = '\0';
 432                         DEBUG(1, ("Unknown user type: %s\n",
 433                                   smbpasswd_encode_acb_info(delta->acb_info)));
 434                 }
 435                 if (*add_script) {
 436                         int add_ret;
 437                         all_string_sub(add_script, "%u", account,
 438                                        sizeof(account));
 439                         add_ret = smbrun(add_script,NULL);
 440                         DEBUG(1,("fetch_account: Running the command `%s' "
 441                                  "gave %d\n", add_script, add_ret));
 442                 } else {
 443                         DEBUG(8,("fetch_account_info: no add user/machine script.  Asking winbindd\n"));
 444
 445                         /* don't need a RID allocated since the user already has a SID */
 446                         if ( !winbind_create_user( account, NULL ) )
 447                                 DEBUG(4,("fetch_account_info: winbind_create_user() failed\n"));
 448                 }
 449
 450                 /* try and find the possible unix account again */
 451                 if ( !(passwd = Get_Pwnam(account)) )
 452                         return NT_STATUS_NO_SUCH_USER;
 453
 454         }
 455
 456         sid_copy(&user_sid, get_global_sam_sid());
 457         sid_append_rid(&user_sid, delta->user_rid);
 458
 459         DEBUG(3, ("Attempting to find SID %s for user %s in the passdb\n", sid_to_string(sid_string, &user_sid), account));
 460         if (!pdb_getsampwsid(sam_account, &user_sid)) {
 461                 sam_account_from_delta(sam_account, delta);
 462                 DEBUG(3, ("Attempting to add user SID %s for user %s in the passdb\n",
 463                           sid_to_string(sid_string, &user_sid), pdb_get_username(sam_account)));
 464                 if (!pdb_add_sam_account(sam_account)) {
 465                         DEBUG(1, ("SAM Account for %s failed to be added to the passdb!\n",
 466                                   account));
 467                         return NT_STATUS_ACCESS_DENIED;
 468                 }
 469         } else {
 470                 sam_account_from_delta(sam_account, delta);
 471                 DEBUG(3, ("Attempting to update user SID %s for user %s in the passdb\n",
 472                           sid_to_string(sid_string, &user_sid), pdb_get_username(sam_account)));
 473                 if (!pdb_update_sam_account(sam_account)) {
 474                         DEBUG(1, ("SAM Account for %s failed to be updated in the passdb!\n",
 475                                   account));
 476                         pdb_free_sam(&sam_account);
 477                         return NT_STATUS_ACCESS_DENIED;
 478                 }
 479         }
 480
 481         group_sid = *pdb_get_group_sid(sam_account);
 482
 483         if (!pdb_getgrsid(&map, group_sid)) {
 484                 DEBUG(0, ("Primary group of %s has no mapping!\n",
 485                           pdb_get_username(sam_account)));
 486         } else {
 487                 if (map.gid != passwd->pw_gid) {
 488                         if (!(grp = getgrgid(map.gid))) {
 489                                 DEBUG(0, ("Could not find unix group %lu for user %s (group SID=%s)\n",
 490                                           (unsigned long)map.gid, pdb_get_username(sam_account), sid_string_static(&group_sid)));
 491                         } else {
 492                                 smb_set_primary_group(grp->gr_name, pdb_get_username(sam_account));
 493                         }
 494                 }
 495         }
 496
 497         if ( !passwd ) {
 498                 DEBUG(1, ("No unix user for this account (%s), cannot adjust mappings\n",
 499                         pdb_get_username(sam_account)));
 500         }
 501
 502         pdb_free_sam(&sam_account);
 503         return nt_ret;
 504 }
 505
 506 static NTSTATUS
 507 fetch_group_info(uint32 rid, SAM_GROUP_INFO *delta)
 508 {
 509         fstring name;
 510         fstring comment;
 511         struct group *grp = NULL;
 512         DOM_SID group_sid;
 513         fstring sid_string;
 514         GROUP_MAP map;
 515         BOOL insert = True;
 516
 517         unistr2_to_ascii(name, &delta->uni_grp_name, sizeof(name)-1);
 518         unistr2_to_ascii(comment, &delta->uni_grp_desc, sizeof(comment)-1);
 519
 520         /* add the group to the mapping table */
 521         sid_copy(&group_sid, get_global_sam_sid());
 522         sid_append_rid(&group_sid, rid);
 523         sid_to_string(sid_string, &group_sid);
 524
 525         if (pdb_getgrsid(&map, group_sid)) {
 526                 if ( map.gid != -1 )
 527                         grp = getgrgid(map.gid);
 528                 insert = False;
 529         }
 530
 531         if (grp == NULL) {
 532                 gid_t gid;
 533
 534                 /* No group found from mapping, find it from its name. */
 535                 if ((grp = getgrnam(name)) == NULL) {
 536
 537                         /* No appropriate group found, create one */
 538
 539                         d_printf("Creating unix group: '%s'\n", name);
 540
 541                         if (smb_create_group(name, &gid) != 0)
 542                                 return NT_STATUS_ACCESS_DENIED;
 543
 544                         if ((grp = getgrnam(name)) == NULL)
 545                                 return NT_STATUS_ACCESS_DENIED;
 546                 }
 547         }
 548
 549         map.gid = grp->gr_gid;
 550         map.sid = group_sid;
 551         map.sid_name_use = SID_NAME_DOM_GRP;
 552         fstrcpy(map.nt_name, name);
 553         fstrcpy(map.comment, comment);
 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(t, sizeof(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         case SAM_DELTA_DOMAIN_INFO:
 915                 d_printf("SAM_DELTA_DOMAIN_INFO not handled\n");
 916                 break;
 917         default:
 918                 d_printf("Unknown delta record type %d\n", hdr_delta->type);
 919                 break;
 920         }
 921 }
 922
 923 static NTSTATUS
 924 fetch_database(struct cli_state *cli, unsigned db_type, DOM_CRED *ret_creds,
 925                DOM_SID dom_sid)
 926 {
 927         unsigned sync_context = 0;
 928         NTSTATUS result;
 929         int i;
 930         TALLOC_CTX *mem_ctx;
 931         SAM_DELTA_HDR *hdr_deltas;
 932         SAM_DELTA_CTR *deltas;
 933         uint32 num_deltas;
 934
 935         if (!(mem_ctx = talloc_init("fetch_database")))
 936                 return NT_STATUS_NO_MEMORY;
 937
 938         switch( db_type ) {
 939         case SAM_DATABASE_DOMAIN:
 940                 d_printf("Fetching DOMAIN database\n");
 941                 break;
 942         case SAM_DATABASE_BUILTIN:
 943                 d_printf("Fetching BUILTIN database\n");
 944                 break;
 945         case SAM_DATABASE_PRIVS:
 946                 d_printf("Fetching PRIVS databases\n");
 947                 break;
 948         default:
 949                 d_printf("Fetching unknown database type %u\n", db_type );
 950                 break;
 951         }
 952
 953         do {
 954                 result = cli_netlogon_sam_sync(cli, mem_ctx, ret_creds,
 955                                                db_type, sync_context,
 956                                                &num_deltas,
 957                                                &hdr_deltas, &deltas);
 958
 959                 if (NT_STATUS_IS_OK(result) ||
 960                     NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES)) {
 961
 962                         clnt_deal_with_creds(cli->sess_key, &(cli->clnt_cred),
 963                                              ret_creds);
 964
 965                         for (i = 0; i < num_deltas; i++) {
 966                                 fetch_sam_entry(&hdr_deltas[i], &deltas[i], dom_sid);
 967                         }
 968                 } else
 969                         return result;
 970
 971                 sync_context += 1;
 972         } while (NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES));
 973
 974         talloc_destroy(mem_ctx);
 975
 976         return result;
 977 }
 978
 979 /* dump sam database via samsync rpc calls */
 980 int rpc_vampire(int argc, const char **argv)
 981 {
 982         NTSTATUS result;
 983         struct cli_state *cli = NULL;
 984         uchar trust_password[16];
 985         DOM_CRED ret_creds;
 986         DOM_SID dom_sid;
 987         uint32 sec_channel;
 988
 989         ZERO_STRUCT(ret_creds);
 990
 991         /* Connect to remote machine */
 992         if (!(cli = net_make_ipc_connection(NET_FLAGS_ANONYMOUS |
 993                                             NET_FLAGS_PDC))) {
 994                 return 1;
 995         }
 996
 997         if (!cli_nt_session_open(cli, PI_NETLOGON)) {
 998                 DEBUG(0,("Error connecting to NETLOGON pipe\n"));
 999                 goto fail;
1000         }
1001
1002         if (!secrets_fetch_trust_account_password(lp_workgroup(),
1003                                                   trust_password, NULL,
1004                                                   &sec_channel)) {
1005                 d_printf("Could not retrieve domain trust secret\n");
1006                 goto fail;
1007         }
1008
1009         result = cli_nt_establish_netlogon(cli, sec_channel,  trust_password);
1010
1011         if (!NT_STATUS_IS_OK(result)) {
1012                 d_printf("Failed to setup BDC creds\n");
1013                 goto fail;
1014         }
1015
1016         sid_copy( &dom_sid, get_global_sam_sid() );
1017         result = fetch_database(cli, SAM_DATABASE_DOMAIN, &ret_creds, dom_sid);
1018
1019         if (!NT_STATUS_IS_OK(result)) {
1020                 d_printf("Failed to fetch domain database: %s\n",
1021                          nt_errstr(result));
1022                 if (NT_STATUS_EQUAL(result, NT_STATUS_NOT_SUPPORTED))
1023                         d_printf("Perhaps %s is a Windows 2000 native mode "
1024                                  "domain?\n", lp_workgroup());
1025                 goto fail;
1026         }
1027
1028         sid_copy(&dom_sid, &global_sid_Builtin);
1029
1030         result = fetch_database(cli, SAM_DATABASE_BUILTIN, &ret_creds,
1031                                 dom_sid);
1032
1033         if (!NT_STATUS_IS_OK(result)) {
1034                 d_printf("Failed to fetch builtin database: %s\n",
1035                          nt_errstr(result));
1036                 goto fail;
1037         }
1038
1039         /* Currently we crash on PRIVS somewhere in unmarshalling */
1040         /* Dump_database(cli, SAM_DATABASE_PRIVS, &ret_creds); */
1041
1042         cli_nt_session_close(cli);
1043
1044         return 0;
1045
1046 fail:
1047         if (cli)
1048                 cli_nt_session_close(cli);
1049
1050         return -1;
1051 }