source/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                 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 int rpc_samdump(int argc, const char **argv)
 200 {
 201         struct cli_state *cli = NULL;
 202         uchar trust_password[16];
 203         DOM_CRED ret_creds;
 204         uint32 sec_channel;
 205
 206         ZERO_STRUCT(ret_creds);
 207
 208         /* Connect to remote machine */
 209         if (!(cli = net_make_ipc_connection(NET_FLAGS_ANONYMOUS | NET_FLAGS_PDC))) {
 210                 return 1;
 211         }
 212
 213         fstrcpy(cli->domain, lp_workgroup());
 214
 215         if (!cli_nt_session_open(cli, PI_NETLOGON)) {
 216                 DEBUG(0,("Could not open connection to NETLOGON pipe\n"));
 217                 goto fail;
 218         }
 219
 220         if (!secrets_fetch_trust_account_password(lp_workgroup(),
 221                                                   trust_password,
 222                                                   NULL, &sec_channel)) {
 223                 DEBUG(0,("Could not fetch trust account password\n"));
 224                 goto fail;
 225         }
 226
 227         if (!NT_STATUS_IS_OK(cli_nt_establish_netlogon(cli, sec_channel,
 228                                                        trust_password))) {
 229                 DEBUG(0,("Error connecting to NETLOGON pipe\n"));
 230                 goto fail;
 231         }
 232
 233         dump_database(cli, SAM_DATABASE_DOMAIN, &ret_creds);
 234         dump_database(cli, SAM_DATABASE_BUILTIN, &ret_creds);
 235         dump_database(cli, SAM_DATABASE_PRIVS, &ret_creds);
 236
 237         cli_nt_session_close(cli);
 238
 239         return 0;
 240
 241 fail:
 242         if (cli) {
 243                 cli_nt_session_close(cli);
 244         }
 245         return -1;
 246 }
 247
 248 /* Convert a SAM_ACCOUNT_DELTA to a SAM_ACCOUNT. */
 249 #define STRING_CHANGED (old_string && !new_string) ||\
 250                     (!old_string && new_string) ||\
 251                 (old_string && new_string && (strcmp(old_string, new_string) != 0))
 252
 253 static NTSTATUS
 254 sam_account_from_delta(SAM_ACCOUNT *account, SAM_ACCOUNT_INFO *delta)
 255 {
 256         const char *old_string, *new_string;
 257         time_t unix_time, stored_time;
 258         uchar lm_passwd[16], nt_passwd[16];
 259         static uchar zero_buf[16];
 260
 261         /* Username, fullname, home dir, dir drive, logon script, acct
 262            desc, workstations, profile. */
 263
 264         if (delta->hdr_acct_name.buffer) {
 265                 old_string = pdb_get_nt_username(account);
 266                 new_string = unistr2_static(&delta->uni_acct_name);
 267
 268                 if (STRING_CHANGED) {
 269                         pdb_set_nt_username(account, new_string, PDB_CHANGED);
 270
 271                 }
 272
 273                 /* Unix username is the same - for sanity */
 274                 old_string = pdb_get_username( account );
 275                 if (STRING_CHANGED) {
 276                         pdb_set_username(account, new_string, PDB_CHANGED);
 277                 }
 278         }
 279
 280         if (delta->hdr_full_name.buffer) {
 281                 old_string = pdb_get_fullname(account);
 282                 new_string = unistr2_static(&delta->uni_full_name);
 283
 284                 if (STRING_CHANGED)
 285                         pdb_set_fullname(account, new_string, PDB_CHANGED);
 286         }
 287
 288         if (delta->hdr_home_dir.buffer) {
 289                 old_string = pdb_get_homedir(account);
 290                 new_string = unistr2_static(&delta->uni_home_dir);
 291
 292                 if (STRING_CHANGED)
 293                         pdb_set_homedir(account, new_string, PDB_CHANGED);
 294         }
 295
 296         if (delta->hdr_dir_drive.buffer) {
 297                 old_string = pdb_get_dir_drive(account);
 298                 new_string = unistr2_static(&delta->uni_dir_drive);
 299
 300                 if (STRING_CHANGED)
 301                         pdb_set_dir_drive(account, new_string, PDB_CHANGED);
 302         }
 303
 304         if (delta->hdr_logon_script.buffer) {
 305                 old_string = pdb_get_logon_script(account);
 306                 new_string = unistr2_static(&delta->uni_logon_script);
 307
 308                 if (STRING_CHANGED)
 309                         pdb_set_logon_script(account, new_string, PDB_CHANGED);
 310         }
 311
 312         if (delta->hdr_acct_desc.buffer) {
 313                 old_string = pdb_get_acct_desc(account);
 314                 new_string = unistr2_static(&delta->uni_acct_desc);
 315
 316                 if (STRING_CHANGED)
 317                         pdb_set_acct_desc(account, new_string, PDB_CHANGED);
 318         }
 319
 320         if (delta->hdr_workstations.buffer) {
 321                 old_string = pdb_get_workstations(account);
 322                 new_string = unistr2_static(&delta->uni_workstations);
 323
 324                 if (STRING_CHANGED)
 325                         pdb_set_workstations(account, new_string, PDB_CHANGED);
 326         }
 327
 328         if (delta->hdr_profile.buffer) {
 329                 old_string = pdb_get_profile_path(account);
 330                 new_string = unistr2_static(&delta->uni_profile);
 331
 332                 if (STRING_CHANGED)
 333                         pdb_set_profile_path(account, new_string, PDB_CHANGED);
 334         }
 335
 336         /* User and group sid */
 337         if (pdb_get_user_rid(account) != delta->user_rid)
 338                 pdb_set_user_sid_from_rid(account, delta->user_rid, PDB_CHANGED);
 339         if (pdb_get_group_rid(account) != delta->group_rid)
 340                 pdb_set_group_sid_from_rid(account, delta->group_rid, PDB_CHANGED);
 341
 342         /* Logon and password information */
 343         if (!nt_time_is_zero(&delta->logon_time)) {
 344                 unix_time = nt_time_to_unix(&delta->logon_time);
 345                 stored_time = pdb_get_logon_time(account);
 346                 if (stored_time != unix_time)
 347                         pdb_set_logon_time(account, unix_time, PDB_CHANGED);
 348         }
 349
 350         if (!nt_time_is_zero(&delta->logoff_time)) {
 351                 unix_time = nt_time_to_unix(&delta->logoff_time);
 352                 stored_time = pdb_get_logoff_time(account);
 353                 if (stored_time != unix_time)
 354                         pdb_set_logoff_time(account, unix_time,PDB_CHANGED);
 355         }
 356
 357         if (pdb_get_logon_divs(account) != delta->logon_divs)
 358                 pdb_set_logon_divs(account, delta->logon_divs, PDB_CHANGED);
 359
 360         /* TODO: logon hours */
 361         /* TODO: bad password count */
 362         /* TODO: logon count */
 363
 364         if (!nt_time_is_zero(&delta->pwd_last_set_time)) {
 365                 unix_time = nt_time_to_unix(&delta->pwd_last_set_time);
 366                 stored_time = pdb_get_pass_last_set_time(account);
 367                 if (stored_time != unix_time)
 368                         pdb_set_pass_last_set_time(account, unix_time, PDB_CHANGED);
 369         }
 370
 371 #if 0
 372 /*      No kickoff time in the delta? */
 373         if (!nt_time_is_zero(&delta->kickoff_time)) {
 374                 unix_time = nt_time_to_unix(&delta->kickoff_time);
 375                 stored_time = pdb_get_kickoff_time(account);
 376                 if (stored_time != unix_time)
 377                         pdb_set_kickoff_time(account, unix_time, PDB_CHANGED);
 378         }
 379 #endif
 380
 381         /* Decode hashes from password hash
 382            Note that win2000 may send us all zeros for the hashes if it doesn't
 383            think this channel is secure enough - don't set the passwords at all
 384            in that case
 385         */
 386         if (memcmp(delta->pass.buf_lm_pwd, zero_buf, 16) != 0) {
 387                 sam_pwd_hash(delta->user_rid, delta->pass.buf_lm_pwd, lm_passwd, 0);
 388                 pdb_set_lanman_passwd(account, lm_passwd, PDB_CHANGED);
 389         }
 390
 391         if (memcmp(delta->pass.buf_nt_pwd, zero_buf, 16) != 0) {
 392                 sam_pwd_hash(delta->user_rid, delta->pass.buf_nt_pwd, nt_passwd, 0);
 393                 pdb_set_nt_passwd(account, nt_passwd, PDB_CHANGED);
 394         }
 395
 396         /* TODO: account expiry time */
 397
 398         if (pdb_get_acct_ctrl(account) != delta->acb_info)
 399                 pdb_set_acct_ctrl(account, delta->acb_info, PDB_CHANGED);
 400
 401         pdb_set_domain(account, lp_workgroup(), PDB_CHANGED);
 402
 403         return NT_STATUS_OK;
 404 }
 405
 406 static NTSTATUS fetch_account_info(uint32 rid, SAM_ACCOUNT_INFO *delta)
 407 {
 408         NTSTATUS nt_ret;
 409         fstring account;
 410         pstring add_script;
 411         SAM_ACCOUNT *sam_account=NULL;
 412         GROUP_MAP map;
 413         struct group *grp;
 414         DOM_SID user_sid;
 415         DOM_SID group_sid;
 416         struct passwd *passwd;
 417         fstring sid_string;
 418
 419         fstrcpy(account, unistr2_static(&delta->uni_acct_name));
 420         d_printf("Creating account: %s\n", account);
 421
 422         if (!NT_STATUS_IS_OK(nt_ret = pdb_init_sam(&sam_account)))
 423                 return nt_ret;
 424
 425         if (!(passwd = Get_Pwnam(account))) {
 426                 /* Create appropriate user */
 427                 if (delta->acb_info & ACB_NORMAL) {
 428                         pstrcpy(add_script, lp_adduser_script());
 429                 } else if ( (delta->acb_info & ACB_WSTRUST) ||
 430                             (delta->acb_info & ACB_SVRTRUST) ||
 431                             (delta->acb_info & ACB_DOMTRUST) ) {
 432                         pstrcpy(add_script, lp_addmachine_script());
 433                 } else {
 434                         DEBUG(1, ("Unknown user type: %s\n",
 435                                   smbpasswd_encode_acb_info(delta->acb_info)));
 436                         nt_ret = NT_STATUS_UNSUCCESSFUL;
 437                         goto done;
 438                 }
 439                 if (*add_script) {
 440                         int add_ret;
 441                         all_string_sub(add_script, "%u", account,
 442                                        sizeof(account));
 443                         add_ret = smbrun(add_script,NULL);
 444                         DEBUG(1,("fetch_account: Running the command `%s' "
 445                                  "gave %d\n", add_script, add_ret));
 446                 } else {
 447                         DEBUG(8,("fetch_account_info: no add user/machine script.  Asking winbindd\n"));
 448
 449                         /* don't need a RID allocated since the user already has a SID */
 450                         if ( !winbind_create_user( account, NULL ) )
 451                                 DEBUG(4,("fetch_account_info: winbind_create_user() failed\n"));
 452                 }
 453
 454                 /* try and find the possible unix account again */
 455                 if ( !(passwd = Get_Pwnam(account)) ) {
 456                         d_printf("Could not create posix account info for '%s'\n", account);
 457                         nt_ret = NT_STATUS_NO_SUCH_USER;
 458                         goto done;
 459                 }
 460
 461         }
 462
 463         sid_copy(&user_sid, get_global_sam_sid());
 464         sid_append_rid(&user_sid, delta->user_rid);
 465
 466         DEBUG(3, ("Attempting to find SID %s for user %s in the passdb\n", sid_to_string(sid_string, &user_sid), account));
 467         if (!pdb_getsampwsid(sam_account, &user_sid)) {
 468                 sam_account_from_delta(sam_account, delta);
 469                 DEBUG(3, ("Attempting to add user SID %s for user %s in the passdb\n",
 470                           sid_to_string(sid_string, &user_sid), pdb_get_username(sam_account)));
 471                 if (!pdb_add_sam_account(sam_account)) {
 472                         DEBUG(1, ("SAM Account for %s failed to be added to the passdb!\n",
 473                                   account));
 474                         return NT_STATUS_ACCESS_DENIED;
 475                 }
 476         } else {
 477                 sam_account_from_delta(sam_account, delta);
 478                 DEBUG(3, ("Attempting to update user SID %s for user %s in the passdb\n",
 479                           sid_to_string(sid_string, &user_sid), pdb_get_username(sam_account)));
 480                 if (!pdb_update_sam_account(sam_account)) {
 481                         DEBUG(1, ("SAM Account for %s failed to be updated in the passdb!\n",
 482                                   account));
 483                         pdb_free_sam(&sam_account);
 484                         return NT_STATUS_ACCESS_DENIED;
 485                 }
 486         }
 487
 488         group_sid = *pdb_get_group_sid(sam_account);
 489
 490         if (!pdb_getgrsid(&map, group_sid)) {
 491                 DEBUG(0, ("Primary group of %s has no mapping!\n",
 492                           pdb_get_username(sam_account)));
 493         } else {
 494                 if (map.gid != passwd->pw_gid) {
 495                         if (!(grp = getgrgid(map.gid))) {
 496                                 DEBUG(0, ("Could not find unix group %lu for user %s (group SID=%s)\n",
 497                                           (unsigned long)map.gid, pdb_get_username(sam_account), sid_string_static(&group_sid)));
 498                         } else {
 499                                 smb_set_primary_group(grp->gr_name, pdb_get_username(sam_account));
 500                         }
 501                 }
 502         }
 503
 504         if ( !passwd ) {
 505                 DEBUG(1, ("No unix user for this account (%s), cannot adjust mappings\n",
 506                         pdb_get_username(sam_account)));
 507         }
 508
 509  done:
 510         pdb_free_sam(&sam_account);
 511         return nt_ret;
 512 }
 513
 514 static NTSTATUS
 515 fetch_group_info(uint32 rid, SAM_GROUP_INFO *delta)
 516 {
 517         fstring name;
 518         fstring comment;
 519         struct group *grp = NULL;
 520         DOM_SID group_sid;
 521         fstring sid_string;
 522         GROUP_MAP map;
 523         BOOL insert = True;
 524
 525         unistr2_to_ascii(name, &delta->uni_grp_name, sizeof(name)-1);
 526         unistr2_to_ascii(comment, &delta->uni_grp_desc, sizeof(comment)-1);
 527
 528         /* add the group to the mapping table */
 529         sid_copy(&group_sid, get_global_sam_sid());
 530         sid_append_rid(&group_sid, rid);
 531         sid_to_string(sid_string, &group_sid);
 532
 533         if (pdb_getgrsid(&map, group_sid)) {
 534                 if ( map.gid != -1 )
 535                         grp = getgrgid(map.gid);
 536                 insert = False;
 537         }
 538
 539         if (grp == NULL) {
 540                 gid_t gid;
 541
 542                 /* No group found from mapping, find it from its name. */
 543                 if ((grp = getgrnam(name)) == NULL) {
 544
 545                         /* No appropriate group found, create one */
 546
 547                         d_printf("Creating unix group: '%s'\n", name);
 548
 549                         if (smb_create_group(name, &gid) != 0)
 550                                 return NT_STATUS_ACCESS_DENIED;
 551
 552                         if ((grp = getgrnam(name)) == NULL)
 553                                 return NT_STATUS_ACCESS_DENIED;
 554                 }
 555         }
 556
 557         map.gid = grp->gr_gid;
 558         map.sid = group_sid;
 559         map.sid_name_use = SID_NAME_DOM_GRP;
 560         fstrcpy(map.nt_name, name);
 561         if (delta->hdr_grp_desc.buffer) {
 562                 fstrcpy(map.comment, comment);
 563         } else {
 564                 fstrcpy(map.comment, "");
 565         }
 566
 567         if (insert)
 568                 pdb_add_group_mapping_entry(&map);
 569         else
 570                 pdb_update_group_mapping_entry(&map);
 571
 572         return NT_STATUS_OK;
 573 }
 574
 575 static NTSTATUS
 576 fetch_group_mem_info(uint32 rid, SAM_GROUP_MEM_INFO *delta)
 577 {
 578         int i;
 579         TALLOC_CTX *t = NULL;
 580         char **nt_members = NULL;
 581         char **unix_members;
 582         DOM_SID group_sid;
 583         GROUP_MAP map;
 584         struct group *grp;
 585
 586         if (delta->num_members == 0) {
 587                 return NT_STATUS_OK;
 588         }
 589
 590         sid_copy(&group_sid, get_global_sam_sid());
 591         sid_append_rid(&group_sid, rid);
 592
 593         if (!get_domain_group_from_sid(group_sid, &map)) {
 594                 DEBUG(0, ("Could not find global group %d\n", rid));
 595                 return NT_STATUS_NO_SUCH_GROUP;
 596         }
 597
 598         if (!(grp = getgrgid(map.gid))) {
 599                 DEBUG(0, ("Could not find unix group %lu\n", (unsigned long)map.gid));
 600                 return NT_STATUS_NO_SUCH_GROUP;
 601         }
 602
 603         d_printf("Group members of %s: ", grp->gr_name);
 604
 605         if (!(t = talloc_init("fetch_group_mem_info"))) {
 606                 DEBUG(0, ("could not talloc_init\n"));
 607                 return NT_STATUS_NO_MEMORY;
 608         }
 609
 610         nt_members = talloc_zero(t, sizeof(char *) * delta->num_members);
 611
 612         for (i=0; i<delta->num_members; i++) {
 613                 NTSTATUS nt_status;
 614                 SAM_ACCOUNT *member = NULL;
 615                 DOM_SID member_sid;
 616
 617                 if (!NT_STATUS_IS_OK(nt_status = pdb_init_sam_talloc(t, &member))) {
 618                         talloc_destroy(t);
 619                         return nt_status;
 620                 }
 621
 622                 sid_copy(&member_sid, get_global_sam_sid());
 623                 sid_append_rid(&member_sid, delta->rids[i]);
 624
 625                 if (!pdb_getsampwsid(member, &member_sid)) {
 626                         DEBUG(1, ("Found bogus group member: %d (member_sid=%s group=%s)\n",
 627                                   delta->rids[i], sid_string_static(&member_sid), grp->gr_name));
 628                         pdb_free_sam(&member);
 629                         continue;
 630                 }
 631
 632                 if (pdb_get_group_rid(member) == rid) {
 633                         d_printf("%s(primary),", pdb_get_username(member));
 634                         pdb_free_sam(&member);
 635                         continue;
 636                 }
 637
 638                 d_printf("%s,", pdb_get_username(member));
 639                 nt_members[i] = talloc_strdup(t, pdb_get_username(member));
 640                 pdb_free_sam(&member);
 641         }
 642
 643         d_printf("\n");
 644
 645         unix_members = grp->gr_mem;
 646
 647         while (*unix_members) {
 648                 BOOL is_nt_member = False;
 649                 for (i=0; i<delta->num_members; i++) {
 650                         if (nt_members[i] == NULL) {
 651                                 /* This was a primary group */
 652                                 continue;
 653                         }
 654
 655                         if (strcmp(*unix_members, nt_members[i]) == 0) {
 656                                 is_nt_member = True;
 657                                 break;
 658                         }
 659                 }
 660                 if (!is_nt_member) {
 661                         /* We look at a unix group member that is not
 662                            an nt group member. So, remove it. NT is
 663                            boss here. */
 664                         smb_delete_user_group(grp->gr_name, *unix_members);
 665                 }
 666                 unix_members += 1;
 667         }
 668
 669         for (i=0; i<delta->num_members; i++) {
 670                 BOOL is_unix_member = False;
 671
 672                 if (nt_members[i] == NULL) {
 673                         /* This was the primary group */
 674                         continue;
 675                 }
 676
 677                 unix_members = grp->gr_mem;
 678
 679                 while (*unix_members) {
 680                         if (strcmp(*unix_members, nt_members[i]) == 0) {
 681                                 is_unix_member = True;
 682                                 break;
 683                         }
 684                         unix_members += 1;
 685                 }
 686
 687                 if (!is_unix_member) {
 688                         /* We look at a nt group member that is not a
 689                            unix group member currently. So, add the nt
 690                            group member. */
 691                         smb_add_user_group(grp->gr_name, nt_members[i]);
 692                 }
 693         }
 694
 695         talloc_destroy(t);
 696         return NT_STATUS_OK;
 697 }
 698
 699 static NTSTATUS fetch_alias_info(uint32 rid, SAM_ALIAS_INFO *delta,
 700                                  DOM_SID dom_sid)
 701 {
 702         fstring name;
 703         fstring comment;
 704         struct group *grp = NULL;
 705         DOM_SID alias_sid;
 706         fstring sid_string;
 707         GROUP_MAP map;
 708         BOOL insert = True;
 709
 710         unistr2_to_ascii(name, &delta->uni_als_name, sizeof(name)-1);
 711         unistr2_to_ascii(comment, &delta->uni_als_desc, sizeof(comment)-1);
 712
 713         /* Find out whether the group is already mapped */
 714         sid_copy(&alias_sid, &dom_sid);
 715         sid_append_rid(&alias_sid, rid);
 716         sid_to_string(sid_string, &alias_sid);
 717
 718         if (pdb_getgrsid(&map, alias_sid)) {
 719                 grp = getgrgid(map.gid);
 720                 insert = False;
 721         }
 722
 723         if (grp == NULL) {
 724                 gid_t gid;
 725
 726                 /* No group found from mapping, find it from its name. */
 727                 if ((grp = getgrnam(name)) == NULL) {
 728                         /* No appropriate group found, create one */
 729                         d_printf("Creating unix group: '%s'\n", name);
 730                         if (smb_create_group(name, &gid) != 0)
 731                                 return NT_STATUS_ACCESS_DENIED;
 732                         if ((grp = getgrgid(gid)) == NULL)
 733                                 return NT_STATUS_ACCESS_DENIED;
 734                 }
 735         }
 736
 737         map.gid = grp->gr_gid;
 738         map.sid = alias_sid;
 739
 740         if (sid_equal(&dom_sid, &global_sid_Builtin))
 741                 map.sid_name_use = SID_NAME_WKN_GRP;
 742         else
 743                 map.sid_name_use = SID_NAME_ALIAS;
 744
 745         fstrcpy(map.nt_name, name);
 746         fstrcpy(map.comment, comment);
 747
 748         if (insert)
 749                 pdb_add_group_mapping_entry(&map);
 750         else
 751                 pdb_update_group_mapping_entry(&map);
 752
 753         return NT_STATUS_OK;
 754 }
 755
 756 static NTSTATUS
 757 fetch_alias_mem(uint32 rid, SAM_ALIAS_MEM_INFO *delta, DOM_SID dom_sid)
 758 {
 759 #if 0   /*
 760          * commented out right now after talking to Volker.  Can't
 761          * do much with the membership but seemed a shame to waste
 762          * somewhat working code.  Needs testing because the membership
 763          * that shows up surprises me.  Also can't do much with groups
 764          * in groups (e.g. Domain Admins being a member of Adminsitrators).
 765          * --jerry
 766          */
 767
 768         int i;
 769         TALLOC_CTX *t = NULL;
 770         char **nt_members = NULL;
 771         char **unix_members;
 772         DOM_SID group_sid;
 773         GROUP_MAP map;
 774         struct group *grp;
 775         enum SID_NAME_USE sid_type;
 776
 777         if (delta->num_members == 0) {
 778                 return NT_STATUS_OK;
 779         }
 780
 781         sid_copy(&group_sid, &dom_sid);
 782         sid_append_rid(&group_sid, rid);
 783
 784         if (sid_equal(&dom_sid, &global_sid_Builtin)) {
 785                 sid_type = SID_NAME_WKN_GRP;
 786                 if (!get_builtin_group_from_sid(&group_sid, &map, False)) {
 787                         DEBUG(0, ("Could not find builtin group %s\n", sid_string_static(&group_sid)));
 788                         return NT_STATUS_NO_SUCH_GROUP;
 789                 }
 790         } else {
 791                 sid_type = SID_NAME_ALIAS;
 792                 if (!get_local_group_from_sid(&group_sid, &map, False)) {
 793                         DEBUG(0, ("Could not find local group %s\n", sid_string_static(&group_sid)));
 794                         return NT_STATUS_NO_SUCH_GROUP;
 795                 }
 796         }
 797
 798         if (!(grp = getgrgid(map.gid))) {
 799                 DEBUG(0, ("Could not find unix group %d\n", map.gid));
 800                 return NT_STATUS_NO_SUCH_GROUP;
 801         }
 802
 803         d_printf("Group members of %s: ", grp->gr_name);
 804
 805         if (!(t = talloc_init("fetch_group_mem_info"))) {
 806                 DEBUG(0, ("could not talloc_init\n"));
 807                 return NT_STATUS_NO_MEMORY;
 808         }
 809
 810         nt_members = talloc_zero(t, sizeof(char *) * delta->num_members);
 811
 812         for (i=0; i<delta->num_members; i++) {
 813                 NTSTATUS nt_status;
 814                 SAM_ACCOUNT *member = NULL;
 815                 DOM_SID member_sid;
 816
 817                 if (!NT_STATUS_IS_OK(nt_status = pdb_init_sam_talloc(t, &member))) {
 818                         talloc_destroy(t);
 819                         return nt_status;
 820                 }
 821
 822                 sid_copy(&member_sid, &delta->sids[i].sid);
 823
 824                 if (!pdb_getsampwsid(member, &member_sid)) {
 825                         DEBUG(1, ("Found bogus group member: (member_sid=%s group=%s)\n",
 826                                   sid_string_static(&member_sid), grp->gr_name));
 827                         pdb_free_sam(&member);
 828                         continue;
 829                 }
 830
 831                 if (pdb_get_group_rid(member) == rid) {
 832                         d_printf("%s(primary),", pdb_get_username(member));
 833                         pdb_free_sam(&member);
 834                         continue;
 835                 }
 836
 837                 d_printf("%s,", pdb_get_username(member));
 838                 nt_members[i] = talloc_strdup(t, pdb_get_username(member));
 839                 pdb_free_sam(&member);
 840         }
 841
 842         d_printf("\n");
 843
 844         unix_members = grp->gr_mem;
 845
 846         while (*unix_members) {
 847                 BOOL is_nt_member = False;
 848                 for (i=0; i<delta->num_members; i++) {
 849                         if (nt_members[i] == NULL) {
 850                                 /* This was a primary group */
 851                                 continue;
 852                         }
 853
 854                         if (strcmp(*unix_members, nt_members[i]) == 0) {
 855                                 is_nt_member = True;
 856                                 break;
 857                         }
 858                 }
 859                 if (!is_nt_member) {
 860                         /* We look at a unix group member that is not
 861                            an nt group member. So, remove it. NT is
 862                            boss here. */
 863                         smb_delete_user_group(grp->gr_name, *unix_members);
 864                 }
 865                 unix_members += 1;
 866         }
 867
 868         for (i=0; i<delta->num_members; i++) {
 869                 BOOL is_unix_member = False;
 870
 871                 if (nt_members[i] == NULL) {
 872                         /* This was the primary group */
 873                         continue;
 874                 }
 875
 876                 unix_members = grp->gr_mem;
 877
 878                 while (*unix_members) {
 879                         if (strcmp(*unix_members, nt_members[i]) == 0) {
 880                                 is_unix_member = True;
 881                                 break;
 882                         }
 883                         unix_members += 1;
 884                 }
 885
 886                 if (!is_unix_member) {
 887                         /* We look at a nt group member that is not a
 888                            unix group member currently. So, add the nt
 889                            group member. */
 890                         smb_add_user_group(grp->gr_name, nt_members[i]);
 891                 }
 892         }
 893
 894         talloc_destroy(t);
 895
 896 #endif  /* end of fetch_alias_mem() */
 897
 898         return NT_STATUS_OK;
 899 }
 900
 901 static void
 902 fetch_sam_entry(SAM_DELTA_HDR *hdr_delta, SAM_DELTA_CTR *delta,
 903                 DOM_SID dom_sid)
 904 {
 905         switch(hdr_delta->type) {
 906         case SAM_DELTA_ACCOUNT_INFO:
 907                 fetch_account_info(hdr_delta->target_rid,
 908                                    &delta->account_info);
 909                 break;
 910         case SAM_DELTA_GROUP_INFO:
 911                 fetch_group_info(hdr_delta->target_rid,
 912                                  &delta->group_info);
 913                 break;
 914         case SAM_DELTA_GROUP_MEM:
 915                 fetch_group_mem_info(hdr_delta->target_rid,
 916                                      &delta->grp_mem_info);
 917                 break;
 918         case SAM_DELTA_ALIAS_INFO:
 919                 fetch_alias_info(hdr_delta->target_rid,
 920                                  &delta->alias_info, dom_sid);
 921                 break;
 922         case SAM_DELTA_ALIAS_MEM:
 923                 fetch_alias_mem(hdr_delta->target_rid,
 924                                 &delta->als_mem_info, dom_sid);
 925                 break;
 926         /* The following types are recognised but not handled */
 927         case SAM_DELTA_DOMAIN_INFO:
 928                 d_printf("SAM_DELTA_DOMAIN_INFO not handled\n");
 929                 break;
 930         case SAM_DELTA_RENAME_GROUP:
 931                 d_printf("SAM_DELTA_RENAME_GROUP not handled\n");
 932                 break;
 933         case SAM_DELTA_RENAME_USER:
 934                 d_printf("SAM_DELTA_RENAME_USER not handled\n");
 935                 break;
 936         case SAM_DELTA_RENAME_ALIAS:
 937                 d_printf("SAM_DELTA_RENAME_ALIAS not handled\n");
 938                 break;
 939         case SAM_DELTA_POLICY_INFO:
 940                 d_printf("SAM_DELTA_POLICY_INFO not handled\n");
 941                 break;
 942         case SAM_DELTA_TRUST_DOMS:
 943                 d_printf("SAM_DELTA_TRUST_DOMS not handled\n");
 944                 break;
 945         case SAM_DELTA_PRIVS_INFO:
 946                 d_printf("SAM_DELTA_PRIVS_INFO not handled\n");
 947                 break;
 948         case SAM_DELTA_SECRET_INFO:
 949                 d_printf("SAM_DELTA_SECRET_INFO not handled\n");
 950                 break;
 951         case SAM_DELTA_DELETE_GROUP:
 952                 d_printf("SAM_DELTA_DELETE_GROUP not handled\n");
 953                 break;
 954         case SAM_DELTA_DELETE_USER:
 955                 d_printf("SAM_DELTA_DELETE_USER not handled\n");
 956                 break;
 957         case SAM_DELTA_MODIFIED_COUNT:
 958                 d_printf("SAM_DELTA_MODIFIED_COUNT not handled\n");
 959                 break;
 960         default:
 961                 d_printf("Unknown delta record type %d\n", hdr_delta->type);
 962                 break;
 963         }
 964 }
 965
 966 static NTSTATUS
 967 fetch_database(struct cli_state *cli, unsigned db_type, DOM_CRED *ret_creds,
 968                DOM_SID dom_sid)
 969 {
 970         unsigned sync_context = 0;
 971         NTSTATUS result;
 972         int i;
 973         TALLOC_CTX *mem_ctx;
 974         SAM_DELTA_HDR *hdr_deltas;
 975         SAM_DELTA_CTR *deltas;
 976         uint32 num_deltas;
 977
 978         if (!(mem_ctx = talloc_init("fetch_database")))
 979                 return NT_STATUS_NO_MEMORY;
 980
 981         switch( db_type ) {
 982         case SAM_DATABASE_DOMAIN:
 983                 d_printf("Fetching DOMAIN database\n");
 984                 break;
 985         case SAM_DATABASE_BUILTIN:
 986                 d_printf("Fetching BUILTIN database\n");
 987                 break;
 988         case SAM_DATABASE_PRIVS:
 989                 d_printf("Fetching PRIVS databases\n");
 990                 break;
 991         default:
 992                 d_printf("Fetching unknown database type %u\n", db_type );
 993                 break;
 994         }
 995
 996         do {
 997                 result = cli_netlogon_sam_sync(cli, mem_ctx, ret_creds,
 998                                                db_type, sync_context,
 999                                                &num_deltas,
1000                                                &hdr_deltas, &deltas);
1001
1002                 if (NT_STATUS_IS_OK(result) ||
1003                     NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES)) {
1004
1005                         clnt_deal_with_creds(cli->sess_key, &(cli->clnt_cred),
1006                                              ret_creds);
1007
1008                         for (i = 0; i < num_deltas; i++) {
1009                                 fetch_sam_entry(&hdr_deltas[i], &deltas[i], dom_sid);
1010                         }
1011                 } else
1012                         return result;
1013
1014                 sync_context += 1;
1015         } while (NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES));
1016
1017         talloc_destroy(mem_ctx);
1018
1019         return result;
1020 }
1021
1022 /* dump sam database via samsync rpc calls */
1023 int rpc_vampire(int argc, const char **argv)
1024 {
1025         NTSTATUS result;
1026         struct cli_state *cli = NULL;
1027         uchar trust_password[16];
1028         DOM_CRED ret_creds;
1029         DOM_SID dom_sid;
1030         uint32 sec_channel;
1031
1032         ZERO_STRUCT(ret_creds);
1033
1034         /* Connect to remote machine */
1035         if (!(cli = net_make_ipc_connection(NET_FLAGS_ANONYMOUS |
1036                                             NET_FLAGS_PDC))) {
1037                 return 1;
1038         }
1039
1040         if (!cli_nt_session_open(cli, PI_NETLOGON)) {
1041                 DEBUG(0,("Error connecting to NETLOGON pipe\n"));
1042                 goto fail;
1043         }
1044
1045         if (!secrets_fetch_trust_account_password(opt_target_workgroup,
1046                                                   trust_password, NULL,
1047                                                   &sec_channel)) {
1048                 d_printf("Could not retrieve domain trust secret\n");
1049                 goto fail;
1050         }
1051
1052         result = cli_nt_establish_netlogon(cli, sec_channel,  trust_password);
1053
1054         if (!NT_STATUS_IS_OK(result)) {
1055                 d_printf("Failed to setup BDC creds\n");
1056                 goto fail;
1057         }
1058
1059         sid_copy( &dom_sid, get_global_sam_sid() );
1060         result = fetch_database(cli, SAM_DATABASE_DOMAIN, &ret_creds, dom_sid);
1061
1062         if (!NT_STATUS_IS_OK(result)) {
1063                 d_printf("Failed to fetch domain database: %s\n",
1064                          nt_errstr(result));
1065                 if (NT_STATUS_EQUAL(result, NT_STATUS_NOT_SUPPORTED))
1066                         d_printf("Perhaps %s is a Windows 2000 native mode "
1067                                  "domain?\n", opt_target_workgroup);
1068                 goto fail;
1069         }
1070
1071         sid_copy(&dom_sid, &global_sid_Builtin);
1072
1073         result = fetch_database(cli, SAM_DATABASE_BUILTIN, &ret_creds,
1074                                 dom_sid);
1075
1076         if (!NT_STATUS_IS_OK(result)) {
1077                 d_printf("Failed to fetch builtin database: %s\n",
1078                          nt_errstr(result));
1079                 goto fail;
1080         }
1081
1082         /* Currently we crash on PRIVS somewhere in unmarshalling */
1083         /* Dump_database(cli, SAM_DATABASE_PRIVS, &ret_creds); */
1084
1085         cli_nt_session_close(cli);
1086
1087         return 0;
1088
1089 fail:
1090         if (cli)
1091                 cli_nt_session_close(cli);
1092
1093         return -1;
1094 }