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