source3/rpc_server/srv_netlog_nt.c

   1 /*
   2  *  Unix SMB/CIFS implementation.
   3  *  RPC Pipe client / server routines
   4  *  Copyright (C) Andrew Tridgell              1992-1997,
   5  *  Copyright (C) Luke Kenneth Casson Leighton 1996-1997,
   6  *  Copyright (C) Paul Ashton                       1997.
   7  *  Copyright (C) Jeremy Allison               1998-2001.
   8  *  Copyright (C) Andrew Bartlett                   2001.
   9  *
  10  *  This program is free software; you can redistribute it and/or modify
  11  *  it under the terms of the GNU General Public License as published by
  12  *  the Free Software Foundation; either version 3 of the License, or
  13  *  (at your option) any later version.
  14  *
  15  *  This program is distributed in the hope that it will be useful,
  16  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  *  GNU General Public License for more details.
  19  *
  20  *  You should have received a copy of the GNU General Public License
  21  *  along with this program; if not, see <http://www.gnu.org/licenses/>.
  22  */
  23
  24 /* This is the implementation of the netlogon pipe. */
  25
  26 #include "includes.h"
  27
  28 extern userdom_struct current_user_info;
  29
  30 #undef DBGC_CLASS
  31 #define DBGC_CLASS DBGC_RPC_SRV
  32
  33 /*************************************************************************
  34  init_net_r_req_chal:
  35  *************************************************************************/
  36
  37 static void init_net_r_req_chal(NET_R_REQ_CHAL *r_c,
  38                                 DOM_CHAL *srv_chal, NTSTATUS status)
  39 {
  40         DEBUG(6,("init_net_r_req_chal: %d\n", __LINE__));
  41         memcpy(r_c->srv_chal.data, srv_chal->data, sizeof(srv_chal->data));
  42         r_c->status = status;
  43 }
  44
  45 /*************************************************************************
  46  error messages cropping up when using nltest.exe...
  47  *************************************************************************/
  48
  49 #define ERROR_NO_SUCH_DOMAIN   0x54b
  50 #define ERROR_NO_LOGON_SERVERS 0x51f
  51 #define NO_ERROR               0x0
  52
  53 /*************************************************************************
  54  net_reply_logon_ctrl:
  55  *************************************************************************/
  56
  57 NTSTATUS _net_logon_ctrl(pipes_struct *p, NET_Q_LOGON_CTRL *q_u,
  58                        NET_R_LOGON_CTRL *r_u)
  59 {
  60         uint32 flags = 0x0;
  61         uint32 pdc_connection_status = 0x00; /* Maybe a win32 error code? */
  62
  63         /* Setup the Logon Control response */
  64
  65         init_net_r_logon_ctrl(r_u, q_u->query_level, flags,
  66                               pdc_connection_status);
  67
  68         return r_u->status;
  69 }
  70
  71 /****************************************************************************
  72 Send a message to smbd to do a sam synchronisation
  73 **************************************************************************/
  74
  75 static void send_sync_message(void)
  76 {
  77         DEBUG(3, ("sending sam synchronisation message\n"));
  78         message_send_all(smbd_messaging_context(), MSG_SMB_SAM_SYNC, NULL, 0,
  79                          NULL);
  80 }
  81
  82 /*************************************************************************
  83  net_reply_logon_ctrl2:
  84  *************************************************************************/
  85
  86 NTSTATUS _net_logon_ctrl2(pipes_struct *p, NET_Q_LOGON_CTRL2 *q_u, NET_R_LOGON_CTRL2 *r_u)
  87 {
  88         uint32 flags = 0x0;
  89         uint32 pdc_connection_status = 0x0;
  90         uint32 logon_attempts = 0x0;
  91         uint32 tc_status;
  92         fstring servername, domain, dc_name, dc_name2;
  93         struct in_addr dc_ip;
  94
  95         /* this should be \\global_myname() */
  96         unistr2_to_ascii(servername, &q_u->uni_server_name, sizeof(servername));
  97
  98         r_u->status = NT_STATUS_OK;
  99
 100         tc_status = ERROR_NO_SUCH_DOMAIN;
 101         fstrcpy( dc_name, "" );
 102
 103         switch ( q_u->function_code ) {
 104                 case NETLOGON_CONTROL_TC_QUERY:
 105                         unistr2_to_ascii(domain, &q_u->info.info6.domain, sizeof(domain));
 106
 107                         if ( !is_trusted_domain( domain ) )
 108                                 break;
 109
 110                         if ( !get_dc_name( domain, NULL, dc_name2, &dc_ip ) ) {
 111                                 tc_status = ERROR_NO_LOGON_SERVERS;
 112                                 break;
 113                         }
 114
 115                         fstr_sprintf( dc_name, "\\\\%s", dc_name2 );
 116
 117                         tc_status = NO_ERROR;
 118
 119                         break;
 120
 121                 case NETLOGON_CONTROL_REDISCOVER:
 122                         unistr2_to_ascii(domain, &q_u->info.info6.domain, sizeof(domain));
 123
 124                         if ( !is_trusted_domain( domain ) )
 125                                 break;
 126
 127                         if ( !get_dc_name( domain, NULL, dc_name2, &dc_ip ) ) {
 128                                 tc_status = ERROR_NO_LOGON_SERVERS;
 129                                 break;
 130                         }
 131
 132                         fstr_sprintf( dc_name, "\\\\%s", dc_name2 );
 133
 134                         tc_status = NO_ERROR;
 135
 136                         break;
 137
 138                 default:
 139                         /* no idea what this should be */
 140                         DEBUG(0,("_net_logon_ctrl2: unimplemented function level [%d]\n",
 141                                 q_u->function_code));
 142         }
 143
 144         /* prepare the response */
 145
 146         init_net_r_logon_ctrl2( r_u, q_u->query_level, flags,
 147                 pdc_connection_status, logon_attempts, tc_status, dc_name );
 148
 149         if (lp_server_role() == ROLE_DOMAIN_BDC)
 150                 send_sync_message();
 151
 152         return r_u->status;
 153 }
 154
 155 /*************************************************************************
 156  net_reply_trust_dom_list:
 157  *************************************************************************/
 158
 159 NTSTATUS _net_trust_dom_list(pipes_struct *p, NET_Q_TRUST_DOM_LIST *q_u, NET_R_TRUST_DOM_LIST *r_u)
 160 {
 161         const char *trusted_domain = "test_domain";
 162         uint32 num_trust_domains = 1;
 163
 164         DEBUG(6,("_net_trust_dom_list: %d\n", __LINE__));
 165
 166         /* set up the Trusted Domain List response */
 167         init_r_trust_dom(r_u, num_trust_domains, trusted_domain);
 168
 169         DEBUG(6,("_net_trust_dom_list: %d\n", __LINE__));
 170
 171         return r_u->status;
 172 }
 173
 174 /***********************************************************************************
 175  init_net_r_srv_pwset:
 176  ***********************************************************************************/
 177
 178 static void init_net_r_srv_pwset(NET_R_SRV_PWSET *r_s,
 179                                  DOM_CRED *srv_cred, NTSTATUS status)
 180 {
 181         DEBUG(5,("init_net_r_srv_pwset: %d\n", __LINE__));
 182
 183         memcpy(&r_s->srv_cred, srv_cred, sizeof(r_s->srv_cred));
 184         r_s->status = status;
 185
 186         DEBUG(5,("init_net_r_srv_pwset: %d\n", __LINE__));
 187 }
 188
 189 /******************************************************************
 190  gets a machine password entry.  checks access rights of the host.
 191  ******************************************************************/
 192
 193 static NTSTATUS get_md4pw(char *md4pw, char *mach_acct, uint16 sec_chan_type)
 194 {
 195         struct samu *sampass = NULL;
 196         const uint8 *pass;
 197         BOOL ret;
 198         uint32 acct_ctrl;
 199
 200 #if 0
 201     /*
 202      * Currently this code is redundent as we already have a filter
 203      * by hostname list. What this code really needs to do is to
 204      * get a hosts allowed/hosts denied list from the SAM database
 205      * on a per user basis, and make the access decision there.
 206      * I will leave this code here for now as a reminder to implement
 207      * this at a later date. JRA.
 208      */
 209
 210         if (!allow_access(lp_domain_hostsdeny(), lp_domain_hostsallow(),
 211                           client_name(), client_addr()))
 212         {
 213                 DEBUG(0,("get_md4pw: Workstation %s denied access to domain\n", mach_acct));
 214                 return False;
 215         }
 216 #endif /* 0 */
 217
 218         if ( !(sampass = samu_new( NULL )) ) {
 219                 return NT_STATUS_NO_MEMORY;
 220         }
 221
 222         /* JRA. This is ok as it is only used for generating the challenge. */
 223         become_root();
 224         ret = pdb_getsampwnam(sampass, mach_acct);
 225         unbecome_root();
 226
 227         if (!ret) {
 228                 DEBUG(0,("get_md4pw: Workstation %s: no account in domain\n", mach_acct));
 229                 TALLOC_FREE(sampass);
 230                 return NT_STATUS_ACCESS_DENIED;
 231         }
 232
 233         acct_ctrl = pdb_get_acct_ctrl(sampass);
 234         if (acct_ctrl & ACB_DISABLED) {
 235                 DEBUG(0,("get_md4pw: Workstation %s: account is disabled\n", mach_acct));
 236                 TALLOC_FREE(sampass);
 237                 return NT_STATUS_ACCOUNT_DISABLED;
 238         }
 239
 240         if (!(acct_ctrl & ACB_SVRTRUST) &&
 241             !(acct_ctrl & ACB_WSTRUST) &&
 242             !(acct_ctrl & ACB_DOMTRUST))
 243         {
 244                 DEBUG(0,("get_md4pw: Workstation %s: account is not a trust account\n", mach_acct));
 245                 TALLOC_FREE(sampass);
 246                 return NT_STATUS_NO_TRUST_SAM_ACCOUNT;
 247         }
 248
 249         switch (sec_chan_type) {
 250                 case SEC_CHAN_BDC:
 251                         if (!(acct_ctrl & ACB_SVRTRUST)) {
 252                                 DEBUG(0,("get_md4pw: Workstation %s: BDC secure channel requested "
 253                                          "but not a server trust account\n", mach_acct));
 254                                 TALLOC_FREE(sampass);
 255                                 return NT_STATUS_NO_TRUST_SAM_ACCOUNT;
 256                         }
 257                         break;
 258                 case SEC_CHAN_WKSTA:
 259                         if (!(acct_ctrl & ACB_WSTRUST)) {
 260                                 DEBUG(0,("get_md4pw: Workstation %s: WORKSTATION secure channel requested "
 261                                          "but not a workstation trust account\n", mach_acct));
 262                                 TALLOC_FREE(sampass);
 263                                 return NT_STATUS_NO_TRUST_SAM_ACCOUNT;
 264                         }
 265                         break;
 266                 case SEC_CHAN_DOMAIN:
 267                         if (!(acct_ctrl & ACB_DOMTRUST)) {
 268                                 DEBUG(0,("get_md4pw: Workstation %s: DOMAIN secure channel requested "
 269                                          "but not a interdomain trust account\n", mach_acct));
 270                                 TALLOC_FREE(sampass);
 271                                 return NT_STATUS_NO_TRUST_SAM_ACCOUNT;
 272                         }
 273                         break;
 274                 default:
 275                         break;
 276         }
 277
 278         if ((pass = pdb_get_nt_passwd(sampass)) == NULL) {
 279                 DEBUG(0,("get_md4pw: Workstation %s: account does not have a password\n", mach_acct));
 280                 TALLOC_FREE(sampass);
 281                 return NT_STATUS_LOGON_FAILURE;
 282         }
 283
 284         memcpy(md4pw, pass, 16);
 285         dump_data(5, (uint8 *)md4pw, 16);
 286
 287         TALLOC_FREE(sampass);
 288
 289         return NT_STATUS_OK;
 290
 291
 292 }
 293
 294 /*************************************************************************
 295  _net_req_chal
 296  *************************************************************************/
 297
 298 NTSTATUS _net_req_chal(pipes_struct *p, NET_Q_REQ_CHAL *q_u, NET_R_REQ_CHAL *r_u)
 299 {
 300         if (!p->dc) {
 301                 p->dc = TALLOC_ZERO_P(p->pipe_state_mem_ctx, struct dcinfo);
 302                 if (!p->dc) {
 303                         return NT_STATUS_NO_MEMORY;
 304                 }
 305         } else {
 306                 DEBUG(10,("_net_req_chal: new challenge requested. Clearing old state.\n"));
 307                 ZERO_STRUCTP(p->dc);
 308         }
 309
 310         rpcstr_pull(p->dc->remote_machine,
 311                         q_u->uni_logon_clnt.buffer,
 312                         sizeof(fstring),q_u->uni_logon_clnt.uni_str_len*2,0);
 313
 314         /* Save the client challenge to the server. */
 315         memcpy(p->dc->clnt_chal.data, q_u->clnt_chal.data, sizeof(q_u->clnt_chal.data));
 316
 317         /* Create a server challenge for the client */
 318         /* Set this to a random value. */
 319         generate_random_buffer(p->dc->srv_chal.data, 8);
 320
 321         /* set up the LSA REQUEST CHALLENGE response */
 322         init_net_r_req_chal(r_u, &p->dc->srv_chal, NT_STATUS_OK);
 323
 324         p->dc->challenge_sent = True;
 325
 326         return NT_STATUS_OK;
 327 }
 328
 329 /*************************************************************************
 330  init_net_r_auth:
 331  *************************************************************************/
 332
 333 static void init_net_r_auth(NET_R_AUTH *r_a, DOM_CHAL *resp_cred, NTSTATUS status)
 334 {
 335         memcpy(r_a->srv_chal.data, resp_cred->data, sizeof(resp_cred->data));
 336         r_a->status = status;
 337 }
 338
 339 /*************************************************************************
 340  _net_auth. Create the initial credentials.
 341  *************************************************************************/
 342
 343 NTSTATUS _net_auth(pipes_struct *p, NET_Q_AUTH *q_u, NET_R_AUTH *r_u)
 344 {
 345         NTSTATUS status;
 346         fstring mach_acct;
 347         fstring remote_machine;
 348         DOM_CHAL srv_chal_out;
 349
 350         if (!p->dc || !p->dc->challenge_sent) {
 351                 return NT_STATUS_ACCESS_DENIED;
 352         }
 353
 354         rpcstr_pull(mach_acct, q_u->clnt_id.uni_acct_name.buffer,sizeof(fstring),
 355                                 q_u->clnt_id.uni_acct_name.uni_str_len*2,0);
 356         rpcstr_pull(remote_machine, q_u->clnt_id.uni_comp_name.buffer,sizeof(fstring),
 357                                 q_u->clnt_id.uni_comp_name.uni_str_len*2,0);
 358
 359         status = get_md4pw((char *)p->dc->mach_pw, mach_acct, q_u->clnt_id.sec_chan);
 360         if (!NT_STATUS_IS_OK(status)) {
 361                 DEBUG(0,("_net_auth: creds_server_check failed. Failed to "
 362                         "get password for machine account %s "
 363                         "from client %s: %s\n",
 364                         mach_acct, remote_machine, nt_errstr(status) ));
 365                 /* always return NT_STATUS_ACCESS_DENIED */
 366                 return NT_STATUS_ACCESS_DENIED;
 367         }
 368
 369         /* From the client / server challenges and md4 password, generate sess key */
 370         creds_server_init(0,                    /* No neg flags. */
 371                         p->dc,
 372                         &p->dc->clnt_chal,      /* Stored client chal. */
 373                         &p->dc->srv_chal,       /* Stored server chal. */
 374                         p->dc->mach_pw,
 375                         &srv_chal_out);
 376
 377         /* Check client credentials are valid. */
 378         if (!creds_server_check(p->dc, &q_u->clnt_chal)) {
 379                 DEBUG(0,("_net_auth: creds_server_check failed. Rejecting auth "
 380                         "request from client %s machine account %s\n",
 381                         remote_machine, mach_acct ));
 382                 return NT_STATUS_ACCESS_DENIED;
 383         }
 384
 385         fstrcpy(p->dc->mach_acct, mach_acct);
 386         fstrcpy(p->dc->remote_machine, remote_machine);
 387         p->dc->authenticated = True;
 388
 389         /* set up the LSA AUTH response */
 390         /* Return the server credentials. */
 391         init_net_r_auth(r_u, &srv_chal_out, NT_STATUS_OK);
 392
 393         return r_u->status;
 394 }
 395
 396 /*************************************************************************
 397  init_net_r_auth_2:
 398  *************************************************************************/
 399
 400 static void init_net_r_auth_2(NET_R_AUTH_2 *r_a,
 401                               DOM_CHAL *resp_cred, NEG_FLAGS *flgs, NTSTATUS status)
 402 {
 403         memcpy(r_a->srv_chal.data, resp_cred->data, sizeof(resp_cred->data));
 404         memcpy(&r_a->srv_flgs, flgs, sizeof(r_a->srv_flgs));
 405         r_a->status = status;
 406 }
 407
 408 /*************************************************************************
 409  _net_auth_2
 410  *************************************************************************/
 411
 412 NTSTATUS _net_auth_2(pipes_struct *p, NET_Q_AUTH_2 *q_u, NET_R_AUTH_2 *r_u)
 413 {
 414         NTSTATUS status;
 415         NEG_FLAGS srv_flgs;
 416         fstring mach_acct;
 417         fstring remote_machine;
 418         DOM_CHAL srv_chal_out;
 419
 420         rpcstr_pull(mach_acct, q_u->clnt_id.uni_acct_name.buffer,sizeof(fstring),
 421                                 q_u->clnt_id.uni_acct_name.uni_str_len*2,0);
 422
 423         /* We use this as the key to store the creds. */
 424         rpcstr_pull(remote_machine, q_u->clnt_id.uni_comp_name.buffer,sizeof(fstring),
 425                                 q_u->clnt_id.uni_comp_name.uni_str_len*2,0);
 426
 427         if (!p->dc || !p->dc->challenge_sent) {
 428                 DEBUG(0,("_net_auth2: no challenge sent to client %s\n",
 429                         remote_machine ));
 430                 return NT_STATUS_ACCESS_DENIED;
 431         }
 432
 433         if ( (lp_server_schannel() == True) &&
 434              ((q_u->clnt_flgs.neg_flags & NETLOGON_NEG_SCHANNEL) == 0) ) {
 435
 436                 /* schannel must be used, but client did not offer it. */
 437                 DEBUG(0,("_net_auth2: schannel required but client failed "
 438                         "to offer it. Client was %s\n",
 439                         mach_acct ));
 440                 return NT_STATUS_ACCESS_DENIED;
 441         }
 442
 443         status = get_md4pw((char *)p->dc->mach_pw, mach_acct, q_u->clnt_id.sec_chan);
 444         if (!NT_STATUS_IS_OK(status)) {
 445                 DEBUG(0,("_net_auth2: failed to get machine password for "
 446                         "account %s: %s\n",
 447                         mach_acct, nt_errstr(status) ));
 448                 /* always return NT_STATUS_ACCESS_DENIED */
 449                 return NT_STATUS_ACCESS_DENIED;
 450         }
 451
 452         /* From the client / server challenges and md4 password, generate sess key */
 453         creds_server_init(q_u->clnt_flgs.neg_flags,
 454                         p->dc,
 455                         &p->dc->clnt_chal,      /* Stored client chal. */
 456                         &p->dc->srv_chal,       /* Stored server chal. */
 457                         p->dc->mach_pw,
 458                         &srv_chal_out);
 459
 460         /* Check client credentials are valid. */
 461         if (!creds_server_check(p->dc, &q_u->clnt_chal)) {
 462                 DEBUG(0,("_net_auth2: creds_server_check failed. Rejecting auth "
 463                         "request from client %s machine account %s\n",
 464                         remote_machine, mach_acct ));
 465                 return NT_STATUS_ACCESS_DENIED;
 466         }
 467
 468         srv_flgs.neg_flags = 0x000001ff;
 469
 470         if (lp_server_schannel() != False) {
 471                 srv_flgs.neg_flags |= NETLOGON_NEG_SCHANNEL;
 472         }
 473
 474         /* set up the LSA AUTH 2 response */
 475         init_net_r_auth_2(r_u, &srv_chal_out, &srv_flgs, NT_STATUS_OK);
 476
 477         fstrcpy(p->dc->mach_acct, mach_acct);
 478         fstrcpy(p->dc->remote_machine, remote_machine);
 479         fstrcpy(p->dc->domain, lp_workgroup() );
 480
 481         p->dc->authenticated = True;
 482
 483         /* Store off the state so we can continue after client disconnect. */
 484         become_root();
 485         secrets_store_schannel_session_info(p->mem_ctx,
 486                                         remote_machine,
 487                                         p->dc);
 488         unbecome_root();
 489
 490         return r_u->status;
 491 }
 492
 493 /*************************************************************************
 494  _net_srv_pwset
 495  *************************************************************************/
 496
 497 NTSTATUS _net_srv_pwset(pipes_struct *p, NET_Q_SRV_PWSET *q_u, NET_R_SRV_PWSET *r_u)
 498 {
 499         fstring remote_machine;
 500         struct samu *sampass=NULL;
 501         BOOL ret = False;
 502         unsigned char pwd[16];
 503         int i;
 504         uint32 acct_ctrl;
 505         DOM_CRED cred_out;
 506         const uchar *old_pw;
 507
 508         DEBUG(5,("_net_srv_pwset: %d\n", __LINE__));
 509
 510         /* We need the remote machine name for the creds lookup. */
 511         rpcstr_pull(remote_machine,q_u->clnt_id.login.uni_comp_name.buffer,
 512                     sizeof(remote_machine),q_u->clnt_id.login.uni_comp_name.uni_str_len*2,0);
 513
 514         if ( (lp_server_schannel() == True) && (p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL) ) {
 515                 /* 'server schannel = yes' should enforce use of
 516                    schannel, the client did offer it in auth2, but
 517                    obviously did not use it. */
 518                 DEBUG(0,("_net_srv_pwset: client %s not using schannel for netlogon\n",
 519                         remote_machine ));
 520                 return NT_STATUS_ACCESS_DENIED;
 521         }
 522
 523         if (!p->dc) {
 524                 /* Restore the saved state of the netlogon creds. */
 525                 become_root();
 526                 ret = secrets_restore_schannel_session_info(p->pipe_state_mem_ctx,
 527                                                         remote_machine,
 528                                                         &p->dc);
 529                 unbecome_root();
 530                 if (!ret) {
 531                         return NT_STATUS_INVALID_HANDLE;
 532                 }
 533         }
 534
 535         if (!p->dc || !p->dc->authenticated) {
 536                 return NT_STATUS_INVALID_HANDLE;
 537         }
 538
 539         DEBUG(3,("_net_srv_pwset: Server Password Set by remote machine:[%s] on account [%s]\n",
 540                         remote_machine, p->dc->mach_acct));
 541
 542         /* Step the creds chain forward. */
 543         if (!creds_server_step(p->dc, &q_u->clnt_id.cred, &cred_out)) {
 544                 DEBUG(2,("_net_srv_pwset: creds_server_step failed. Rejecting auth "
 545                         "request from client %s machine account %s\n",
 546                         remote_machine, p->dc->mach_acct ));
 547                 return NT_STATUS_INVALID_PARAMETER;
 548         }
 549
 550         /* We must store the creds state after an update. */
 551         sampass = samu_new( NULL );
 552         if (!sampass) {
 553                 return NT_STATUS_NO_MEMORY;
 554         }
 555
 556         become_root();
 557         secrets_store_schannel_session_info(p->pipe_state_mem_ctx,
 558                                                 remote_machine,
 559                                                 p->dc);
 560         ret = pdb_getsampwnam(sampass, p->dc->mach_acct);
 561         unbecome_root();
 562
 563         if (!ret) {
 564                 TALLOC_FREE(sampass);
 565                 return NT_STATUS_ACCESS_DENIED;
 566         }
 567
 568         /* Ensure the account exists and is a machine account. */
 569
 570         acct_ctrl = pdb_get_acct_ctrl(sampass);
 571
 572         if (!(acct_ctrl & ACB_WSTRUST ||
 573                       acct_ctrl & ACB_SVRTRUST ||
 574                       acct_ctrl & ACB_DOMTRUST)) {
 575                 TALLOC_FREE(sampass);
 576                 return NT_STATUS_NO_SUCH_USER;
 577         }
 578
 579         if (pdb_get_acct_ctrl(sampass) & ACB_DISABLED) {
 580                 TALLOC_FREE(sampass);
 581                 return NT_STATUS_ACCOUNT_DISABLED;
 582         }
 583
 584         /* Woah - what does this to to the credential chain ? JRA */
 585         cred_hash3( pwd, q_u->pwd, p->dc->sess_key, 0);
 586
 587         DEBUG(100,("Server password set : new given value was :\n"));
 588         for(i = 0; i < sizeof(pwd); i++)
 589                 DEBUG(100,("%02X ", pwd[i]));
 590         DEBUG(100,("\n"));
 591
 592         old_pw = pdb_get_nt_passwd(sampass);
 593
 594         if (old_pw && memcmp(pwd, old_pw, 16) == 0) {
 595                 /* Avoid backend modificiations and other fun if the
 596                    client changed the password to the *same thing* */
 597
 598                 ret = True;
 599         } else {
 600
 601                 /* LM password should be NULL for machines */
 602                 if (!pdb_set_lanman_passwd(sampass, NULL, PDB_CHANGED)) {
 603                         TALLOC_FREE(sampass);
 604                         return NT_STATUS_NO_MEMORY;
 605                 }
 606
 607                 if (!pdb_set_nt_passwd(sampass, pwd, PDB_CHANGED)) {
 608                         TALLOC_FREE(sampass);
 609                         return NT_STATUS_NO_MEMORY;
 610                 }
 611
 612                 if (!pdb_set_pass_last_set_time(sampass, time(NULL), PDB_CHANGED)) {
 613                         TALLOC_FREE(sampass);
 614                         /* Not quite sure what this one qualifies as, but this will do */
 615                         return NT_STATUS_UNSUCCESSFUL;
 616                 }
 617
 618                 become_root();
 619                 r_u->status = pdb_update_sam_account(sampass);
 620                 unbecome_root();
 621         }
 622
 623         /* set up the LSA Server Password Set response */
 624         init_net_r_srv_pwset(r_u, &cred_out, r_u->status);
 625
 626         TALLOC_FREE(sampass);
 627         return r_u->status;
 628 }
 629
 630 /*************************************************************************
 631  _net_sam_logoff:
 632  *************************************************************************/
 633
 634 NTSTATUS _net_sam_logoff(pipes_struct *p, NET_Q_SAM_LOGOFF *q_u, NET_R_SAM_LOGOFF *r_u)
 635 {
 636         fstring remote_machine;
 637
 638         if ( (lp_server_schannel() == True) && (p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL) ) {
 639                 /* 'server schannel = yes' should enforce use of
 640                    schannel, the client did offer it in auth2, but
 641                    obviously did not use it. */
 642                 DEBUG(0,("_net_sam_logoff: client %s not using schannel for netlogon\n",
 643                         get_remote_machine_name() ));
 644                 return NT_STATUS_ACCESS_DENIED;
 645         }
 646
 647
 648         if (!get_valid_user_struct(p->vuid))
 649                 return NT_STATUS_NO_SUCH_USER;
 650
 651         /* Get the remote machine name for the creds store. */
 652         rpcstr_pull(remote_machine,q_u->sam_id.client.login.uni_comp_name.buffer,
 653                     sizeof(remote_machine),q_u->sam_id.client.login.uni_comp_name.uni_str_len*2,0);
 654
 655         if (!p->dc) {
 656                 /* Restore the saved state of the netlogon creds. */
 657                 BOOL ret;
 658
 659                 become_root();
 660                 ret = secrets_restore_schannel_session_info(p->pipe_state_mem_ctx,
 661                                                 remote_machine,
 662                                                 &p->dc);
 663                 unbecome_root();
 664                 if (!ret) {
 665                         return NT_STATUS_INVALID_HANDLE;
 666                 }
 667         }
 668
 669         if (!p->dc || !p->dc->authenticated) {
 670                 return NT_STATUS_INVALID_HANDLE;
 671         }
 672
 673         r_u->buffer_creds = 1; /* yes, we have valid server credentials */
 674
 675         /* checks and updates credentials.  creates reply credentials */
 676         if (!creds_server_step(p->dc, &q_u->sam_id.client.cred, &r_u->srv_creds)) {
 677                 DEBUG(2,("_net_sam_logoff: creds_server_step failed. Rejecting auth "
 678                         "request from client %s machine account %s\n",
 679                         remote_machine, p->dc->mach_acct ));
 680                 return NT_STATUS_INVALID_PARAMETER;
 681         }
 682
 683         /* We must store the creds state after an update. */
 684         become_root();
 685         secrets_store_schannel_session_info(p->pipe_state_mem_ctx,
 686                                         remote_machine,
 687                                         p->dc);
 688         unbecome_root();
 689
 690         r_u->status = NT_STATUS_OK;
 691         return r_u->status;
 692 }
 693
 694 /*******************************************************************
 695  gets a domain user's groups from their already-calculated NT_USER_TOKEN
 696  ********************************************************************/
 697
 698 static NTSTATUS nt_token_to_group_list(TALLOC_CTX *mem_ctx,
 699                                        const DOM_SID *domain_sid,
 700                                        size_t num_sids,
 701                                        const DOM_SID *sids,
 702                                        int *numgroups, DOM_GID **pgids)
 703 {
 704         int i;
 705
 706         *numgroups=0;
 707         *pgids = NULL;
 708
 709         for (i=0; i<num_sids; i++) {
 710                 DOM_GID gid;
 711                 if (!sid_peek_check_rid(domain_sid, &sids[i], &gid.g_rid)) {
 712                         continue;
 713                 }
 714                 gid.attr = (SE_GROUP_MANDATORY|SE_GROUP_ENABLED_BY_DEFAULT|
 715                             SE_GROUP_ENABLED);
 716                 ADD_TO_ARRAY(mem_ctx, DOM_GID, gid, pgids, numgroups);
 717                 if (*pgids == NULL) {
 718                         return NT_STATUS_NO_MEMORY;
 719                 }
 720         }
 721         return NT_STATUS_OK;
 722 }
 723
 724 /*************************************************************************
 725  _net_sam_logon
 726  *************************************************************************/
 727
 728 static NTSTATUS _net_sam_logon_internal(pipes_struct *p,
 729                                         NET_Q_SAM_LOGON *q_u,
 730                                         NET_R_SAM_LOGON *r_u,
 731                                         BOOL process_creds)
 732 {
 733         NTSTATUS status = NT_STATUS_OK;
 734         NET_USER_INFO_3 *usr_info = NULL;
 735         NET_ID_INFO_CTR *ctr = q_u->sam_id.ctr;
 736         UNISTR2 *uni_samlogon_user = NULL;
 737         UNISTR2 *uni_samlogon_domain = NULL;
 738         UNISTR2 *uni_samlogon_workstation = NULL;
 739         fstring nt_username, nt_domain, nt_workstation;
 740         auth_usersupplied_info *user_info = NULL;
 741         auth_serversupplied_info *server_info = NULL;
 742         struct samu *sampw;
 743         struct auth_context *auth_context = NULL;
 744
 745         if ( (lp_server_schannel() == True) && (p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL) ) {
 746                 /* 'server schannel = yes' should enforce use of
 747                    schannel, the client did offer it in auth2, but
 748                    obviously did not use it. */
 749                 DEBUG(0,("_net_sam_logon_internal: client %s not using schannel for netlogon\n",
 750                         get_remote_machine_name() ));
 751                 return NT_STATUS_ACCESS_DENIED;
 752         }
 753
 754         usr_info = TALLOC_P(p->mem_ctx, NET_USER_INFO_3);
 755         if (!usr_info) {
 756                 return NT_STATUS_NO_MEMORY;
 757         }
 758
 759         ZERO_STRUCTP(usr_info);
 760
 761         /* store the user information, if there is any. */
 762         r_u->user = usr_info;
 763         r_u->auth_resp = 1; /* authoritative response */
 764         if (q_u->validation_level != 2 && q_u->validation_level != 3) {
 765                 DEBUG(0,("_net_sam_logon: bad validation_level value %d.\n", (int)q_u->validation_level ));
 766                 return NT_STATUS_ACCESS_DENIED;
 767         }
 768         /* We handle the return of USER_INFO_2 instead of 3 in the parse return. Sucks, I know... */
 769         r_u->switch_value = q_u->validation_level; /* indicates type of validation user info */
 770         r_u->buffer_creds = 1; /* Ensure we always return server creds. */
 771
 772         if (!get_valid_user_struct(p->vuid))
 773                 return NT_STATUS_NO_SUCH_USER;
 774
 775         if (process_creds) {
 776                 fstring remote_machine;
 777
 778                 /* Get the remote machine name for the creds store. */
 779                 /* Note this is the remote machine this request is coming from (member server),
 780                    not neccessarily the workstation name the user is logging onto.
 781                 */
 782                 rpcstr_pull(remote_machine,q_u->sam_id.client.login.uni_comp_name.buffer,
 783                     sizeof(remote_machine),q_u->sam_id.client.login.uni_comp_name.uni_str_len*2,0);
 784
 785                 if (!p->dc) {
 786                         /* Restore the saved state of the netlogon creds. */
 787                         BOOL ret;
 788
 789                         become_root();
 790                         ret = secrets_restore_schannel_session_info(p->pipe_state_mem_ctx,
 791                                         remote_machine,
 792                                         &p->dc);
 793                         unbecome_root();
 794                         if (!ret) {
 795                                 return NT_STATUS_INVALID_HANDLE;
 796                         }
 797                 }
 798
 799                 if (!p->dc || !p->dc->authenticated) {
 800                         return NT_STATUS_INVALID_HANDLE;
 801                 }
 802
 803                 /* checks and updates credentials.  creates reply credentials */
 804                 if (!creds_server_step(p->dc, &q_u->sam_id.client.cred,  &r_u->srv_creds)) {
 805                         DEBUG(2,("_net_sam_logon: creds_server_step failed. Rejecting auth "
 806                                 "request from client %s machine account %s\n",
 807                                 remote_machine, p->dc->mach_acct ));
 808                         return NT_STATUS_INVALID_PARAMETER;
 809                 }
 810
 811                 /* We must store the creds state after an update. */
 812                 become_root();
 813                 secrets_store_schannel_session_info(p->pipe_state_mem_ctx,
 814                                         remote_machine,
 815                                         p->dc);
 816                 unbecome_root();
 817         }
 818
 819         switch (q_u->sam_id.logon_level) {
 820         case INTERACTIVE_LOGON_TYPE:
 821                 uni_samlogon_user = &ctr->auth.id1.uni_user_name;
 822                 uni_samlogon_domain = &ctr->auth.id1.uni_domain_name;
 823
 824                 uni_samlogon_workstation = &ctr->auth.id1.uni_wksta_name;
 825
 826                 DEBUG(3,("SAM Logon (Interactive). Domain:[%s].  ", lp_workgroup()));
 827                 break;
 828         case NET_LOGON_TYPE:
 829                 uni_samlogon_user = &ctr->auth.id2.uni_user_name;
 830                 uni_samlogon_domain = &ctr->auth.id2.uni_domain_name;
 831                 uni_samlogon_workstation = &ctr->auth.id2.uni_wksta_name;
 832
 833                 DEBUG(3,("SAM Logon (Network). Domain:[%s].  ", lp_workgroup()));
 834                 break;
 835         default:
 836                 DEBUG(2,("SAM Logon: unsupported switch value\n"));
 837                 return NT_STATUS_INVALID_INFO_CLASS;
 838         } /* end switch */
 839
 840         rpcstr_pull(nt_username,uni_samlogon_user->buffer,sizeof(nt_username),uni_samlogon_user->uni_str_len*2,0);
 841         rpcstr_pull(nt_domain,uni_samlogon_domain->buffer,sizeof(nt_domain),uni_samlogon_domain->uni_str_len*2,0);
 842         rpcstr_pull(nt_workstation,uni_samlogon_workstation->buffer,sizeof(nt_workstation),uni_samlogon_workstation->uni_str_len*2,0);
 843
 844         DEBUG(3,("User:[%s@%s] Requested Domain:[%s]\n", nt_username, nt_workstation, nt_domain));
 845         fstrcpy(current_user_info.smb_name, nt_username);
 846         sub_set_smb_name(nt_username);
 847
 848         DEBUG(5,("Attempting validation level %d for unmapped username %s.\n", q_u->sam_id.ctr->switch_value, nt_username));
 849
 850         status = NT_STATUS_OK;
 851
 852         switch (ctr->switch_value) {
 853         case NET_LOGON_TYPE:
 854         {
 855                 const char *wksname = nt_workstation;
 856
 857                 if (!NT_STATUS_IS_OK(status = make_auth_context_fixed(&auth_context, ctr->auth.id2.lm_chal))) {
 858                         return status;
 859                 }
 860
 861                 /* For a network logon, the workstation name comes in with two
 862                  * backslashes in the front. Strip them if they are there. */
 863
 864                 if (*wksname == '\\') wksname++;
 865                 if (*wksname == '\\') wksname++;
 866
 867                 /* Standard challenge/response authenticaion */
 868                 if (!make_user_info_netlogon_network(&user_info,
 869                                                      nt_username, nt_domain,
 870                                                      wksname,
 871                                                      ctr->auth.id2.param_ctrl,
 872                                                      ctr->auth.id2.lm_chal_resp.buffer,
 873                                                      ctr->auth.id2.lm_chal_resp.str_str_len,
 874                                                      ctr->auth.id2.nt_chal_resp.buffer,
 875                                                      ctr->auth.id2.nt_chal_resp.str_str_len)) {
 876                         status = NT_STATUS_NO_MEMORY;
 877                 }
 878                 break;
 879         }
 880         case INTERACTIVE_LOGON_TYPE:
 881                 /* 'Interactive' authentication, supplies the password in its
 882                    MD4 form, encrypted with the session key.  We will convert
 883                    this to challenge/response for the auth subsystem to chew
 884                    on */
 885         {
 886                 const uint8 *chal;
 887
 888                 if (!NT_STATUS_IS_OK(status = make_auth_context_subsystem(&auth_context))) {
 889                         return status;
 890                 }
 891
 892                 chal = auth_context->get_ntlm_challenge(auth_context);
 893
 894                 if (!make_user_info_netlogon_interactive(&user_info,
 895                                                          nt_username, nt_domain,
 896                                                          nt_workstation,
 897                                                          ctr->auth.id1.param_ctrl,
 898                                                          chal,
 899                                                          ctr->auth.id1.lm_owf.data,
 900                                                          ctr->auth.id1.nt_owf.data,
 901                                                          p->dc->sess_key)) {
 902                         status = NT_STATUS_NO_MEMORY;
 903                 }
 904                 break;
 905         }
 906         default:
 907                 DEBUG(2,("SAM Logon: unsupported switch value\n"));
 908                 return NT_STATUS_INVALID_INFO_CLASS;
 909         } /* end switch */
 910
 911         if ( NT_STATUS_IS_OK(status) ) {
 912                 status = auth_context->check_ntlm_password(auth_context,
 913                         user_info, &server_info);
 914         }
 915
 916         (auth_context->free)(&auth_context);
 917         free_user_info(&user_info);
 918
 919         DEBUG(5, ("_net_sam_logon: check_password returned status %s\n",
 920                   nt_errstr(status)));
 921
 922         /* Check account and password */
 923
 924         if (!NT_STATUS_IS_OK(status)) {
 925                 /* If we don't know what this domain is, we need to
 926                    indicate that we are not authoritative.  This
 927                    allows the client to decide if it needs to try
 928                    a local user.  Fix by jpjanosi@us.ibm.com, #2976 */
 929                 if ( NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)
 930                      && !strequal(nt_domain, get_global_sam_name())
 931                      && !is_trusted_domain(nt_domain) )
 932                         r_u->auth_resp = 0; /* We are not authoritative */
 933
 934                 TALLOC_FREE(server_info);
 935                 return status;
 936         }
 937
 938         if (server_info->guest) {
 939                 /* We don't like guest domain logons... */
 940                 DEBUG(5,("_net_sam_logon: Attempted domain logon as GUEST "
 941                          "denied.\n"));
 942                 TALLOC_FREE(server_info);
 943                 return NT_STATUS_LOGON_FAILURE;
 944         }
 945
 946         /* This is the point at which, if the login was successful, that
 947            the SAM Local Security Authority should record that the user is
 948            logged in to the domain.  */
 949
 950         {
 951                 DOM_GID *gids = NULL;
 952                 const DOM_SID *user_sid = NULL;
 953                 const DOM_SID *group_sid = NULL;
 954                 DOM_SID domain_sid;
 955                 uint32 user_rid, group_rid;
 956
 957                 int num_gids = 0;
 958                 pstring my_name;
 959                 fstring user_sid_string;
 960                 fstring group_sid_string;
 961                 unsigned char user_session_key[16];
 962                 unsigned char lm_session_key[16];
 963                 unsigned char pipe_session_key[16];
 964
 965                 sampw = server_info->sam_account;
 966
 967                 /* set up pointer indicating user/password failed to be
 968                  * found */
 969                 usr_info->ptr_user_info = 0;
 970
 971                 user_sid = pdb_get_user_sid(sampw);
 972                 group_sid = pdb_get_group_sid(sampw);
 973
 974                 if ((user_sid == NULL) || (group_sid == NULL)) {
 975                         DEBUG(1, ("_net_sam_logon: User without group or user SID\n"));
 976                         return NT_STATUS_UNSUCCESSFUL;
 977                 }
 978
 979                 sid_copy(&domain_sid, user_sid);
 980                 sid_split_rid(&domain_sid, &user_rid);
 981
 982                 if (!sid_peek_check_rid(&domain_sid, group_sid, &group_rid)) {
 983                         DEBUG(1, ("_net_sam_logon: user %s\\%s has user sid "
 984                                   "%s\n but group sid %s.\n"
 985                                   "The conflicting domain portions are not "
 986                                   "supported for NETLOGON calls\n",
 987                                   pdb_get_domain(sampw),
 988                                   pdb_get_username(sampw),
 989                                   sid_to_string(user_sid_string, user_sid),
 990                                   sid_to_string(group_sid_string, group_sid)));
 991                         return NT_STATUS_UNSUCCESSFUL;
 992                 }
 993
 994
 995                 if(server_info->login_server) {
 996                         pstrcpy(my_name, server_info->login_server);
 997                 } else {
 998                         pstrcpy(my_name, global_myname());
 999                 }
1000
1001                 status = nt_token_to_group_list(p->mem_ctx, &domain_sid,
1002                                                 server_info->num_sids,
1003                                                 server_info->sids,
1004                                                 &num_gids, &gids);
1005
1006                 if (!NT_STATUS_IS_OK(status)) {
1007                         return status;
1008                 }
1009
1010                 if (server_info->user_session_key.length) {
1011                         memcpy(user_session_key,
1012                                server_info->user_session_key.data,
1013                                MIN(sizeof(user_session_key),
1014                                    server_info->user_session_key.length));
1015                         if (process_creds) {
1016                                 /* Get the pipe session key from the creds. */
1017                                 memcpy(pipe_session_key, p->dc->sess_key, 16);
1018                         } else {
1019                                 /* Get the pipe session key from the schannel. */
1020                                 if (p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL || p->auth.a_u.schannel_auth == NULL) {
1021                                         return NT_STATUS_INVALID_HANDLE;
1022                                 }
1023                                 memcpy(pipe_session_key, p->auth.a_u.schannel_auth->sess_key, 16);
1024                         }
1025                         SamOEMhash(user_session_key, pipe_session_key, 16);
1026                         memset(pipe_session_key, '\0', 16);
1027                 }
1028                 if (server_info->lm_session_key.length) {
1029                         memcpy(lm_session_key,
1030                                server_info->lm_session_key.data,
1031                                MIN(sizeof(lm_session_key),
1032                                    server_info->lm_session_key.length));
1033                         if (process_creds) {
1034                                 /* Get the pipe session key from the creds. */
1035                                 memcpy(pipe_session_key, p->dc->sess_key, 16);
1036                         } else {
1037                                 /* Get the pipe session key from the schannel. */
1038                                 if (p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL || p->auth.a_u.schannel_auth == NULL) {
1039                                         return NT_STATUS_INVALID_HANDLE;
1040                                 }
1041                                 memcpy(pipe_session_key, p->auth.a_u.schannel_auth->sess_key, 16);
1042                         }
1043                         SamOEMhash(lm_session_key, pipe_session_key, 16);
1044                         memset(pipe_session_key, '\0', 16);
1045                 }
1046
1047                 init_net_user_info3(p->mem_ctx, usr_info,
1048                                     user_rid,
1049                                     group_rid,
1050                                     pdb_get_username(sampw),
1051                                     pdb_get_fullname(sampw),
1052                                     pdb_get_homedir(sampw),
1053                                     pdb_get_dir_drive(sampw),
1054                                     pdb_get_logon_script(sampw),
1055                                     pdb_get_profile_path(sampw),
1056                                     pdb_get_logon_time(sampw),
1057                                     get_time_t_max(),
1058                                     get_time_t_max(),
1059                                     pdb_get_pass_last_set_time(sampw),
1060                                     pdb_get_pass_can_change_time(sampw),
1061                                     pdb_get_pass_must_change_time(sampw),
1062                                     0, /* logon_count */
1063                                     0, /* bad_pw_count */
1064                                     num_gids,    /* uint32 num_groups */
1065                                     gids    , /* DOM_GID *gids */
1066                                     LOGON_EXTRA_SIDS, /* uint32 user_flgs (?) */
1067                                     pdb_get_acct_ctrl(sampw),
1068                                     server_info->user_session_key.length ? user_session_key : NULL,
1069                                     server_info->lm_session_key.length ? lm_session_key : NULL,
1070                                     my_name     , /* char *logon_srv */
1071                                     pdb_get_domain(sampw),
1072                                     &domain_sid);     /* DOM_SID *dom_sid */
1073                 ZERO_STRUCT(user_session_key);
1074                 ZERO_STRUCT(lm_session_key);
1075         }
1076         TALLOC_FREE(server_info);
1077         return status;
1078 }
1079
1080 /*************************************************************************
1081  _net_sam_logon
1082  *************************************************************************/
1083
1084 NTSTATUS _net_sam_logon(pipes_struct *p, NET_Q_SAM_LOGON *q_u, NET_R_SAM_LOGON *r_u)
1085 {
1086         return _net_sam_logon_internal(p, q_u, r_u, True);
1087 }
1088
1089 /*************************************************************************
1090  _net_sam_logon_ex - no credential chaining. Map into net sam logon.
1091  *************************************************************************/
1092
1093 NTSTATUS _net_sam_logon_ex(pipes_struct *p, NET_Q_SAM_LOGON_EX *q_u, NET_R_SAM_LOGON_EX *r_u)
1094 {
1095         NET_Q_SAM_LOGON q;
1096         NET_R_SAM_LOGON r;
1097
1098         ZERO_STRUCT(q);
1099         ZERO_STRUCT(r);
1100
1101         /* Only allow this if the pipe is protected. */
1102         if (p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL) {
1103                 DEBUG(0,("_net_sam_logon_ex: client %s not using schannel for netlogon\n",
1104                         get_remote_machine_name() ));
1105                 return NT_STATUS_INVALID_PARAMETER;
1106         }
1107
1108         /* Map a NET_Q_SAM_LOGON_EX to NET_Q_SAM_LOGON. */
1109         q.validation_level = q_u->validation_level;
1110
1111         /* Map a DOM_SAM_INFO_EX into a DOM_SAM_INFO with no creds. */
1112         q.sam_id.client.login = q_u->sam_id.client;
1113         q.sam_id.logon_level = q_u->sam_id.logon_level;
1114         q.sam_id.ctr = q_u->sam_id.ctr;
1115
1116         r_u->status = _net_sam_logon_internal(p, &q, &r, False);
1117
1118         if (!NT_STATUS_IS_OK(r_u->status)) {
1119                 return r_u->status;
1120         }
1121
1122         /* Map the NET_R_SAM_LOGON to NET_R_SAM_LOGON_EX. */
1123         r_u->switch_value = r.switch_value;
1124         r_u->user = r.user;
1125         r_u->auth_resp = r.auth_resp;
1126         r_u->flags = 0; /* FIXME ! */
1127         return r_u->status;
1128 }
1129
1130 /*************************************************************************
1131  _ds_enum_dom_trusts
1132  *************************************************************************/
1133 #if 0   /* JERRY -- not correct */
1134 NTSTATUS _ds_enum_dom_trusts(pipes_struct *p, DS_Q_ENUM_DOM_TRUSTS *q_u,
1135                              DS_R_ENUM_DOM_TRUSTS *r_u)
1136 {
1137         NTSTATUS status = NT_STATUS_OK;
1138
1139         /* TODO: According to MSDN, the can only be executed against a
1140            DC or domain member running Windows 2000 or later.  Need
1141            to test against a standalone 2k server and see what it
1142            does.  A windows 2000 DC includes its own domain in the
1143            list.  --jerry */
1144
1145         return status;
1146 }
1147 #endif  /* JERRY */