source/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  *  Copyirht  (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 2 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, write to the Free Software
  22  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  23  */
  24
  25 /* This is the implementation of the netlogon pipe. */
  26
  27 #include "includes.h"
  28
  29 #undef DBGC_CLASS
  30 #define DBGC_CLASS DBGC_RPC_SRV
  31
  32 extern pstring global_myname;
  33
  34 /*************************************************************************
  35  init_net_r_req_chal:
  36  *************************************************************************/
  37
  38 static void init_net_r_req_chal(NET_R_REQ_CHAL *r_c,
  39                                 DOM_CHAL *srv_chal, NTSTATUS status)
  40 {
  41         DEBUG(6,("init_net_r_req_chal: %d\n", __LINE__));
  42         memcpy(r_c->srv_chal.data, srv_chal->data, sizeof(srv_chal->data));
  43         r_c->status = status;
  44 }
  45
  46 /*************************************************************************
  47  error messages cropping up when using nltest.exe...
  48  *************************************************************************/
  49
  50 #define ERROR_NO_SUCH_DOMAIN   0x54b
  51 #define ERROR_NO_LOGON_SERVERS 0x51f
  52
  53 /*************************************************************************
  54  net_reply_logon_ctrl:
  55  *************************************************************************/
  56
  57 /* Some flag values reverse engineered from NLTEST.EXE */
  58
  59 #define LOGON_CTRL_IN_SYNC          0x00
  60 #define LOGON_CTRL_REPL_NEEDED      0x01
  61 #define LOGON_CTRL_REPL_IN_PROGRESS 0x02
  62
  63 NTSTATUS _net_logon_ctrl(pipes_struct *p, NET_Q_LOGON_CTRL *q_u,
  64                        NET_R_LOGON_CTRL *r_u)
  65 {
  66         uint32 flags = 0x0;
  67         uint32 pdc_connection_status = 0x00; /* Maybe a win32 error code? */
  68
  69         /* Setup the Logon Control response */
  70
  71         init_net_r_logon_ctrl(r_u, q_u->query_level, flags,
  72                               pdc_connection_status);
  73
  74         return r_u->status;
  75 }
  76
  77 /****************************************************************************
  78 Send a message to smbd to do a sam synchronisation
  79 **************************************************************************/
  80 static void send_sync_message(void)
  81 {
  82         TDB_CONTEXT *tdb;
  83
  84         tdb = tdb_open_log(lock_path("connections.tdb"), 0,
  85                            TDB_DEFAULT, O_RDONLY, 0);
  86
  87         if (!tdb) {
  88                 DEBUG(3, ("send_sync_message(): failed to open connections "
  89                           "database\n"));
  90                 return;
  91         }
  92
  93         DEBUG(3, ("sending sam synchronisation message\n"));
  94
  95         message_send_all(tdb, MSG_SMB_SAM_SYNC, NULL, 0, False, NULL);
  96
  97         tdb_close(tdb);
  98 }
  99
 100 /*************************************************************************
 101  net_reply_logon_ctrl2:
 102  *************************************************************************/
 103
 104 NTSTATUS _net_logon_ctrl2(pipes_struct *p, NET_Q_LOGON_CTRL2 *q_u, NET_R_LOGON_CTRL2 *r_u)
 105 {
 106         uint32 flags = 0x0;
 107         uint32 pdc_connection_status = 0x0;
 108         uint32 logon_attempts = 0x0;
 109         uint32 tc_status = ERROR_NO_LOGON_SERVERS;
 110         char *trusted_domain = "test_domain";
 111
 112         DEBUG(0, ("*** net long ctrl2 %d, %d, %d\n",
 113                   q_u->function_code, q_u->query_level, q_u->switch_value));
 114
 115         DEBUG(6,("_net_logon_ctrl2: %d\n", __LINE__));
 116
 117
 118         /* set up the Logon Control2 response */
 119         init_net_r_logon_ctrl2(r_u, q_u->query_level,
 120                                flags, pdc_connection_status, logon_attempts,
 121                                tc_status, trusted_domain);
 122
 123         if (lp_server_role() == ROLE_DOMAIN_BDC)
 124                 send_sync_message();
 125
 126         DEBUG(6,("_net_logon_ctrl2: %d\n", __LINE__));
 127
 128         return r_u->status;
 129 }
 130
 131 /*************************************************************************
 132  net_reply_trust_dom_list:
 133  *************************************************************************/
 134
 135 NTSTATUS _net_trust_dom_list(pipes_struct *p, NET_Q_TRUST_DOM_LIST *q_u, NET_R_TRUST_DOM_LIST *r_u)
 136 {
 137         char *trusted_domain = "test_domain";
 138         uint32 num_trust_domains = 1;
 139
 140         DEBUG(6,("_net_trust_dom_list: %d\n", __LINE__));
 141
 142         /* set up the Trusted Domain List response */
 143         init_r_trust_dom(r_u, num_trust_domains, trusted_domain);
 144
 145         DEBUG(6,("_net_trust_dom_list: %d\n", __LINE__));
 146
 147         return r_u->status;
 148 }
 149
 150 /***********************************************************************************
 151  init_net_r_srv_pwset:
 152  ***********************************************************************************/
 153
 154 static void init_net_r_srv_pwset(NET_R_SRV_PWSET *r_s,
 155                                  DOM_CRED *srv_cred, NTSTATUS status)
 156 {
 157         DEBUG(5,("init_net_r_srv_pwset: %d\n", __LINE__));
 158
 159         memcpy(&r_s->srv_cred, srv_cred, sizeof(r_s->srv_cred));
 160         r_s->status = status;
 161
 162         DEBUG(5,("init_net_r_srv_pwset: %d\n", __LINE__));
 163 }
 164
 165 /******************************************************************
 166  gets a machine password entry.  checks access rights of the host.
 167  ******************************************************************/
 168
 169 static BOOL get_md4pw(char *md4pw, char *mach_acct)
 170 {
 171         SAM_ACCOUNT *sampass = NULL;
 172         const uint8 *pass;
 173         BOOL ret;
 174         uint32 acct_ctrl;
 175
 176 #if 0
 177     /*
 178      * Currently this code is redundent as we already have a filter
 179      * by hostname list. What this code really needs to do is to
 180      * get a hosts allowed/hosts denied list from the SAM database
 181      * on a per user basis, and make the access decision there.
 182      * I will leave this code here for now as a reminder to implement
 183      * this at a later date. JRA.
 184      */
 185
 186         if (!allow_access(lp_domain_hostsdeny(), lp_domain_hostsallow(),
 187                           client_name(), client_addr()))
 188         {
 189                 DEBUG(0,("get_md4pw: Workstation %s denied access to domain\n", mach_acct));
 190                 return False;
 191         }
 192 #endif /* 0 */
 193
 194         if(!NT_STATUS_IS_OK(pdb_init_sam(&sampass)))
 195                 return False;
 196
 197         /* JRA. This is ok as it is only used for generating the challenge. */
 198         become_root();
 199         ret=pdb_getsampwnam(sampass, mach_acct);
 200         unbecome_root();
 201
 202         if (ret==False) {
 203                 DEBUG(0,("get_md4pw: Workstation %s: no account in domain\n", mach_acct));
 204                 pdb_free_sam(&sampass);
 205                 return False;
 206         }
 207
 208         acct_ctrl = pdb_get_acct_ctrl(sampass);
 209         if (!(acct_ctrl & ACB_DISABLED) &&
 210             ((acct_ctrl & ACB_DOMTRUST) ||
 211              (acct_ctrl & ACB_WSTRUST) ||
 212              (acct_ctrl & ACB_SVRTRUST)) &&
 213             ((pass=pdb_get_nt_passwd(sampass)) != NULL)) {
 214                 memcpy(md4pw, pass, 16);
 215                 dump_data(5, md4pw, 16);
 216                 pdb_free_sam(&sampass);
 217                 return True;
 218         }
 219
 220         DEBUG(0,("get_md4pw: Workstation %s: no account in domain\n", mach_acct));
 221         pdb_free_sam(&sampass);
 222         return False;
 223
 224 }
 225
 226 /*************************************************************************
 227  _net_req_chal
 228  *************************************************************************/
 229
 230 NTSTATUS _net_req_chal(pipes_struct *p, NET_Q_REQ_CHAL *q_u, NET_R_REQ_CHAL *r_u)
 231 {
 232         NTSTATUS status = NT_STATUS_OK;
 233
 234         rpcstr_pull(p->dc.remote_machine,q_u->uni_logon_clnt.buffer,sizeof(fstring),q_u->uni_logon_clnt.uni_str_len*2,0);
 235
 236         /* create a server challenge for the client */
 237         /* Set these to random values. */
 238         generate_random_buffer(p->dc.srv_chal.data, 8, False);
 239
 240         memcpy(p->dc.srv_cred.challenge.data, p->dc.srv_chal.data, 8);
 241
 242         memcpy(p->dc.clnt_chal.data          , q_u->clnt_chal.data, sizeof(q_u->clnt_chal.data));
 243         memcpy(p->dc.clnt_cred.challenge.data, q_u->clnt_chal.data, sizeof(q_u->clnt_chal.data));
 244
 245         memset((char *)p->dc.sess_key, '\0', sizeof(p->dc.sess_key));
 246
 247         p->dc.challenge_sent = True;
 248         /* set up the LSA REQUEST CHALLENGE response */
 249         init_net_r_req_chal(r_u, &p->dc.srv_chal, status);
 250
 251         return status;
 252 }
 253
 254 /*************************************************************************
 255  init_net_r_auth:
 256  *************************************************************************/
 257
 258 static void init_net_r_auth(NET_R_AUTH *r_a, DOM_CHAL *resp_cred, NTSTATUS status)
 259 {
 260         memcpy(r_a->srv_chal.data, resp_cred->data, sizeof(resp_cred->data));
 261         r_a->status = status;
 262 }
 263
 264 /*************************************************************************
 265  _net_auth
 266  *************************************************************************/
 267
 268 NTSTATUS _net_auth(pipes_struct *p, NET_Q_AUTH *q_u, NET_R_AUTH *r_u)
 269 {
 270         NTSTATUS status = NT_STATUS_OK;
 271         DOM_CHAL srv_cred;
 272         UTIME srv_time;
 273         fstring mach_acct;
 274
 275         srv_time.time = 0;
 276
 277         rpcstr_pull(mach_acct, q_u->clnt_id.uni_acct_name.buffer,sizeof(fstring),q_u->clnt_id.uni_acct_name.uni_str_len*2,0);
 278
 279         if (p->dc.challenge_sent && get_md4pw((char *)p->dc.md4pw, mach_acct)) {
 280
 281                 /* from client / server challenges and md4 password, generate sess key */
 282                 cred_session_key(&p->dc.clnt_chal, &p->dc.srv_chal,
 283                                  (char *)p->dc.md4pw, p->dc.sess_key);
 284
 285                 /* check that the client credentials are valid */
 286                 if (cred_assert(&q_u->clnt_chal, p->dc.sess_key, &p->dc.clnt_cred.challenge, srv_time)) {
 287
 288                         /* create server challenge for inclusion in the reply */
 289                         cred_create(p->dc.sess_key, &p->dc.srv_cred.challenge, srv_time, &srv_cred);
 290
 291                         /* copy the received client credentials for use next time */
 292                         memcpy(p->dc.clnt_cred.challenge.data, q_u->clnt_chal.data, sizeof(q_u->clnt_chal.data));
 293                         memcpy(p->dc.srv_cred .challenge.data, q_u->clnt_chal.data, sizeof(q_u->clnt_chal.data));
 294
 295                         /* Save the machine account name. */
 296                         fstrcpy(p->dc.mach_acct, mach_acct);
 297
 298                         p->dc.authenticated = True;
 299
 300                 } else {
 301                         status = NT_STATUS_ACCESS_DENIED;
 302                 }
 303         } else {
 304                 status = NT_STATUS_ACCESS_DENIED;
 305         }
 306
 307         /* set up the LSA AUTH response */
 308         init_net_r_auth(r_u, &srv_cred, status);
 309
 310         return r_u->status;
 311 }
 312
 313 /*************************************************************************
 314  init_net_r_auth_2:
 315  *************************************************************************/
 316
 317 static void init_net_r_auth_2(NET_R_AUTH_2 *r_a,
 318                               DOM_CHAL *resp_cred, NEG_FLAGS *flgs, NTSTATUS status)
 319 {
 320         memcpy(r_a->srv_chal.data, resp_cred->data, sizeof(resp_cred->data));
 321         memcpy(&r_a->srv_flgs, flgs, sizeof(r_a->srv_flgs));
 322         r_a->status = status;
 323 }
 324
 325 /*************************************************************************
 326  _net_auth_2
 327  *************************************************************************/
 328
 329 NTSTATUS _net_auth_2(pipes_struct *p, NET_Q_AUTH_2 *q_u, NET_R_AUTH_2 *r_u)
 330 {
 331         NTSTATUS status = NT_STATUS_OK;
 332         DOM_CHAL srv_cred;
 333         UTIME srv_time;
 334         NEG_FLAGS srv_flgs;
 335         fstring mach_acct;
 336
 337         srv_time.time = 0;
 338
 339         rpcstr_pull(mach_acct, q_u->clnt_id.uni_acct_name.buffer,sizeof(fstring),q_u->clnt_id.uni_acct_name.uni_str_len*2,0);
 340
 341         if (p->dc.challenge_sent && get_md4pw((char *)p->dc.md4pw, mach_acct)) {
 342
 343                 /* from client / server challenges and md4 password, generate sess key */
 344                 cred_session_key(&p->dc.clnt_chal, &p->dc.srv_chal,
 345                                  (char *)p->dc.md4pw, p->dc.sess_key);
 346
 347                 /* check that the client credentials are valid */
 348                 if (cred_assert(&q_u->clnt_chal, p->dc.sess_key, &p->dc.clnt_cred.challenge, srv_time)) {
 349
 350                         /* create server challenge for inclusion in the reply */
 351                         cred_create(p->dc.sess_key, &p->dc.srv_cred.challenge, srv_time, &srv_cred);
 352
 353                         /* copy the received client credentials for use next time */
 354                         memcpy(p->dc.clnt_cred.challenge.data, q_u->clnt_chal.data, sizeof(q_u->clnt_chal.data));
 355                         memcpy(p->dc.srv_cred .challenge.data, q_u->clnt_chal.data, sizeof(q_u->clnt_chal.data));
 356
 357                         /* Save the machine account name. */
 358                         fstrcpy(p->dc.mach_acct, mach_acct);
 359
 360                         p->dc.authenticated = True;
 361
 362                 } else {
 363                         status = NT_STATUS_ACCESS_DENIED;
 364                 }
 365         } else {
 366                 status = NT_STATUS_ACCESS_DENIED;
 367         }
 368
 369         srv_flgs.neg_flags = 0x000001ff;
 370
 371         /* set up the LSA AUTH 2 response */
 372         init_net_r_auth_2(r_u, &srv_cred, &srv_flgs, status);
 373
 374         return r_u->status;
 375 }
 376
 377 /*************************************************************************
 378  _net_srv_pwset
 379  *************************************************************************/
 380
 381 NTSTATUS _net_srv_pwset(pipes_struct *p, NET_Q_SRV_PWSET *q_u, NET_R_SRV_PWSET *r_u)
 382 {
 383         NTSTATUS status = NT_STATUS_ACCESS_DENIED;
 384         DOM_CRED srv_cred;
 385         pstring workstation;
 386         SAM_ACCOUNT *sampass=NULL;
 387         BOOL ret = False;
 388         unsigned char pwd[16];
 389         int i;
 390         uint32 acct_ctrl;
 391
 392         /* checks and updates credentials.  creates reply credentials */
 393         if (!(p->dc.authenticated && deal_with_creds(p->dc.sess_key, &p->dc.clnt_cred, &q_u->clnt_id.cred, &srv_cred)))
 394                 return NT_STATUS_INVALID_HANDLE;
 395
 396         memcpy(&p->dc.srv_cred, &p->dc.clnt_cred, sizeof(p->dc.clnt_cred));
 397
 398         DEBUG(5,("_net_srv_pwset: %d\n", __LINE__));
 399
 400         rpcstr_pull(workstation,q_u->clnt_id.login.uni_comp_name.buffer,
 401                     sizeof(workstation),q_u->clnt_id.login.uni_comp_name.uni_str_len*2,0);
 402
 403         DEBUG(3,("Server Password Set by Wksta:[%s] on account [%s]\n", workstation, p->dc.mach_acct));
 404
 405         pdb_init_sam(&sampass);
 406
 407         become_root();
 408         ret=pdb_getsampwnam(sampass, p->dc.mach_acct);
 409         unbecome_root();
 410
 411         /* Ensure the account exists and is a machine account. */
 412
 413         acct_ctrl = pdb_get_acct_ctrl(sampass);
 414
 415         if (!(ret
 416               && (acct_ctrl & ACB_WSTRUST ||
 417                       acct_ctrl & ACB_SVRTRUST ||
 418                       acct_ctrl & ACB_DOMTRUST))) {
 419                 pdb_free_sam(&sampass);
 420                 return NT_STATUS_NO_SUCH_USER;
 421         }
 422
 423         if (pdb_get_acct_ctrl(sampass) & ACB_DISABLED) {
 424                 pdb_free_sam(&sampass);
 425                 return NT_STATUS_ACCOUNT_DISABLED;
 426         }
 427
 428         DEBUG(100,("Server password set : new given value was :\n"));
 429         for(i = 0; i < 16; i++)
 430                 DEBUG(100,("%02X ", q_u->pwd[i]));
 431         DEBUG(100,("\n"));
 432
 433         cred_hash3( pwd, q_u->pwd, p->dc.sess_key, 0);
 434
 435         /* lies!  nt and lm passwords are _not_ the same: don't care */
 436         if (!pdb_set_lanman_passwd (sampass, pwd)) {
 437                 pdb_free_sam(&sampass);
 438                 return NT_STATUS_NO_MEMORY;
 439         }
 440
 441         if (!pdb_set_nt_passwd     (sampass, pwd)) {
 442                 pdb_free_sam(&sampass);
 443                 return NT_STATUS_NO_MEMORY;
 444         }
 445
 446         if (!pdb_set_pass_changed_now     (sampass)) {
 447                 pdb_free_sam(&sampass);
 448                 /* Not quite sure what this one qualifies as, but this will do */
 449                 return NT_STATUS_UNSUCCESSFUL;
 450         }
 451
 452         become_root();
 453         ret = pdb_update_sam_account (sampass);
 454         unbecome_root();
 455
 456         if (ret)
 457                 status = NT_STATUS_OK;
 458
 459         /* set up the LSA Server Password Set response */
 460         init_net_r_srv_pwset(r_u, &srv_cred, status);
 461
 462         pdb_free_sam(&sampass);
 463         return r_u->status;
 464 }
 465
 466
 467 /*************************************************************************
 468  _net_sam_logoff:
 469  *************************************************************************/
 470
 471 NTSTATUS _net_sam_logoff(pipes_struct *p, NET_Q_SAM_LOGOFF *q_u, NET_R_SAM_LOGOFF *r_u)
 472 {
 473         DOM_CRED srv_cred;
 474
 475         if (!get_valid_user_struct(p->vuid))
 476                 return NT_STATUS_NO_SUCH_USER;
 477
 478         /* checks and updates credentials.  creates reply credentials */
 479         if (!(p->dc.authenticated && deal_with_creds(p->dc.sess_key, &p->dc.clnt_cred,
 480                                                      &q_u->sam_id.client.cred, &srv_cred)))
 481                 return NT_STATUS_INVALID_HANDLE;
 482
 483         memcpy(&p->dc.srv_cred, &p->dc.clnt_cred, sizeof(p->dc.clnt_cred));
 484
 485         /* XXXX maybe we want to say 'no', reject the client's credentials */
 486         r_u->buffer_creds = 1; /* yes, we have valid server credentials */
 487         memcpy(&r_u->srv_creds, &srv_cred, sizeof(r_u->srv_creds));
 488
 489         r_u->status = NT_STATUS_OK;
 490
 491         return r_u->status;
 492 }
 493
 494
 495 /*************************************************************************
 496  _net_sam_logon
 497  *************************************************************************/
 498
 499 NTSTATUS _net_sam_logon(pipes_struct *p, NET_Q_SAM_LOGON *q_u, NET_R_SAM_LOGON *r_u)
 500 {
 501         NTSTATUS status = NT_STATUS_OK;
 502         NET_USER_INFO_3 *usr_info = NULL;
 503         NET_ID_INFO_CTR *ctr = q_u->sam_id.ctr;
 504         DOM_CRED srv_cred;
 505         UNISTR2 *uni_samlogon_user = NULL;
 506         UNISTR2 *uni_samlogon_domain = NULL;
 507         UNISTR2 *uni_samlogon_workstation = NULL;
 508         fstring nt_username, nt_domain, nt_workstation;
 509         auth_usersupplied_info *user_info = NULL;
 510         auth_serversupplied_info *server_info = NULL;
 511         extern userdom_struct current_user_info;
 512         SAM_ACCOUNT *sampw;
 513
 514         usr_info = (NET_USER_INFO_3 *)talloc(p->mem_ctx, sizeof(NET_USER_INFO_3));
 515         if (!usr_info)
 516                 return NT_STATUS_NO_MEMORY;
 517
 518         ZERO_STRUCTP(usr_info);
 519
 520         /* store the user information, if there is any. */
 521         r_u->user = usr_info;
 522         r_u->switch_value = 0; /* indicates no info */
 523         r_u->auth_resp = 1; /* authoritative response */
 524         r_u->switch_value = 3; /* indicates type of validation user info */
 525
 526         if (!get_valid_user_struct(p->vuid))
 527                 return NT_STATUS_NO_SUCH_USER;
 528
 529         /* checks and updates credentials.  creates reply credentials */
 530         if (!(p->dc.authenticated && deal_with_creds(p->dc.sess_key, &p->dc.clnt_cred, &q_u->sam_id.client.cred, &srv_cred)))
 531                 return NT_STATUS_INVALID_HANDLE;
 532
 533         memcpy(&p->dc.srv_cred, &p->dc.clnt_cred, sizeof(p->dc.clnt_cred));
 534
 535         r_u->buffer_creds = 1; /* yes, we have valid server credentials */
 536         memcpy(&r_u->srv_creds, &srv_cred, sizeof(r_u->srv_creds));
 537
 538         /* find the username */
 539
 540         switch (q_u->sam_id.logon_level) {
 541         case INTERACTIVE_LOGON_TYPE:
 542                 uni_samlogon_user = &ctr->auth.id1.uni_user_name;
 543                 uni_samlogon_domain = &ctr->auth.id1.uni_domain_name;
 544
 545                 uni_samlogon_workstation = &ctr->auth.id1.uni_wksta_name;
 546
 547                 DEBUG(3,("SAM Logon (Interactive). Domain:[%s].  ", lp_workgroup()));
 548                 break;
 549         case NET_LOGON_TYPE:
 550                 uni_samlogon_user = &ctr->auth.id2.uni_user_name;
 551                 uni_samlogon_domain = &ctr->auth.id2.uni_domain_name;
 552                 uni_samlogon_workstation = &ctr->auth.id2.uni_wksta_name;
 553
 554                 DEBUG(3,("SAM Logon (Network). Domain:[%s].  ", lp_workgroup()));
 555                 break;
 556         default:
 557                 DEBUG(2,("SAM Logon: unsupported switch value\n"));
 558                 return NT_STATUS_INVALID_INFO_CLASS;
 559         } /* end switch */
 560
 561         /* check username exists */
 562
 563         rpcstr_pull(nt_username,uni_samlogon_user->buffer,sizeof(nt_username),uni_samlogon_user->uni_str_len*2,0);
 564         rpcstr_pull(nt_domain,uni_samlogon_domain->buffer,sizeof(nt_domain),uni_samlogon_domain->uni_str_len*2,0);
 565         rpcstr_pull(nt_workstation,uni_samlogon_workstation->buffer,sizeof(nt_workstation),uni_samlogon_workstation->uni_str_len*2,0);
 566
 567         DEBUG(3,("User:[%s@%s] Requested Domain:[%s]\n", nt_username,
 568                  nt_workstation, nt_domain));
 569
 570         pstrcpy(current_user_info.smb_name, nt_username);
 571
 572         /*
 573          * Convert to a UNIX username.
 574          */
 575
 576         DEBUG(5,("Attempting validation level %d for unmapped username %s.\n", q_u->sam_id.ctr->switch_value, nt_username));
 577
 578         switch (ctr->switch_value) {
 579         case NET_LOGON_TYPE:
 580         {
 581                 struct auth_context *auth_context = NULL;
 582                 if (!NT_STATUS_IS_OK(status = make_auth_context_fixed(&auth_context, ctr->auth.id2.lm_chal))) {
 583                         return status;
 584                 }
 585
 586                 /* Standard challenge/response authenticaion */
 587                 if (!make_user_info_netlogon_network(&user_info,
 588                                                      nt_username, nt_domain,
 589                                                      nt_workstation,
 590                                                      ctr->auth.id2.lm_chal_resp.buffer,
 591                                                      ctr->auth.id2.lm_chal_resp.str_str_len,
 592                                                      ctr->auth.id2.nt_chal_resp.buffer,
 593                                                      ctr->auth.id2.nt_chal_resp.str_str_len)) {
 594                         status = NT_STATUS_NO_MEMORY;
 595                 } else {
 596                         status = auth_context->check_ntlm_password(auth_context, user_info, &server_info);
 597                 }
 598                 (auth_context->free)(&auth_context);
 599
 600                 break;
 601         }
 602         case INTERACTIVE_LOGON_TYPE:
 603                 /* 'Interactive' autheticaion, supplies the password in its
 604                    MD4 form, encrypted with the session key.  We will
 605                    convert this to chellange/responce for the auth
 606                    subsystem to chew on */
 607         {
 608                 struct auth_context *auth_context = NULL;
 609                 const uint8 *chal;
 610                 if (!NT_STATUS_IS_OK(status = make_auth_context_subsystem(&auth_context))) {
 611                         return status;
 612                 }
 613
 614                 chal = auth_context->get_ntlm_challenge(auth_context);
 615
 616                 if (!make_user_info_netlogon_interactive(&user_info,
 617                                                          nt_username, nt_domain,
 618                                                          nt_workstation, chal,
 619                                                          ctr->auth.id1.lm_owf.data,
 620                                                          ctr->auth.id1.nt_owf.data,
 621                                                          p->dc.sess_key)) {
 622                         status = NT_STATUS_NO_MEMORY;
 623                 } else {
 624                         status = auth_context->check_ntlm_password(auth_context, user_info, &server_info);
 625                 }
 626
 627                 (auth_context->free)(&auth_context);
 628
 629                 break;
 630         }
 631         default:
 632                 DEBUG(2,("SAM Logon: unsupported switch value\n"));
 633                 return NT_STATUS_INVALID_INFO_CLASS;
 634         } /* end switch */
 635
 636         free_user_info(&user_info);
 637
 638         DEBUG(5, ("_net_sam_logon: check_password returned status %s\n",
 639                   nt_errstr(status)));
 640
 641         /* Check account and password */
 642
 643         if (!NT_STATUS_IS_OK(status)) {
 644                 free_server_info(&server_info);
 645                 return status;
 646         }
 647
 648         if (server_info->guest) {
 649                 /* We don't like guest domain logons... */
 650                 DEBUG(5,("_net_sam_logon: Attempted domain logon as GUEST denied.\n"));
 651                 free_server_info(&server_info);
 652                 return NT_STATUS_LOGON_FAILURE;
 653         }
 654
 655         /* This is the point at which, if the login was successful, that
 656            the SAM Local Security Authority should record that the user is
 657            logged in to the domain.  */
 658
 659         {
 660                 DOM_GID *gids = NULL;
 661                 const DOM_SID *user_sid = NULL;
 662                 const DOM_SID *group_sid = NULL;
 663                 DOM_SID domain_sid;
 664                 uint32 user_rid, group_rid;
 665
 666                 int num_gids = 0;
 667                 pstring my_name;
 668                 fstring user_sid_string;
 669                 fstring group_sid_string;
 670
 671                 sampw = server_info->sam_account;
 672
 673                 /* set up pointer indicating user/password failed to be found */
 674                 usr_info->ptr_user_info = 0;
 675
 676                 user_sid = pdb_get_user_sid(sampw);
 677                 group_sid = pdb_get_group_sid(sampw);
 678
 679                 sid_copy(&domain_sid, user_sid);
 680                 sid_split_rid(&domain_sid, &user_rid);
 681
 682                 if (!sid_peek_check_rid(&domain_sid, group_sid, &group_rid)) {
 683                         DEBUG(1, ("_net_sam_logon: user %s\\%s has user sid %s\n but group sid %s.\nThe conflicting domain portions are not supported for NETLOGON calls\n",
 684                                   pdb_get_domain(sampw), pdb_get_username(sampw),
 685                                   sid_to_string(user_sid_string, user_sid),
 686                                   sid_to_string(group_sid_string, group_sid)));
 687                         return NT_STATUS_UNSUCCESSFUL;
 688                 }
 689
 690                 pstrcpy(my_name, global_myname);
 691                 strupper(my_name);
 692
 693                 /*
 694                  * This is the point at which we get the group
 695                  * database - we should be getting the gid_t list
 696                  * from /etc/group and then turning the uids into
 697                  * rids and then into machine sids for this user.
 698                  * JRA.
 699                  */
 700
 701                 gids = NULL;
 702                 get_domain_user_groups(p->mem_ctx, &num_gids, &gids, server_info->sam_account);
 703
 704                 init_net_user_info3(p->mem_ctx, usr_info,
 705                                     user_rid,
 706                                     group_rid,
 707
 708                                     pdb_get_username(sampw),
 709                                     pdb_get_fullname(sampw),
 710                                     pdb_get_homedir(sampw),
 711                                     pdb_get_dirdrive(sampw),
 712                                     pdb_get_logon_script(sampw),
 713                                     pdb_get_profile_path(sampw),
 714                                     pdb_get_logon_time(sampw),
 715                                     pdb_get_logoff_time(sampw),
 716                                     pdb_get_kickoff_time(sampw),
 717                                     pdb_get_pass_last_set_time(sampw),
 718                                     pdb_get_pass_can_change_time(sampw),
 719                                     pdb_get_pass_must_change_time(sampw),
 720
 721                                     0, /* logon_count */
 722                                     0, /* bad_pw_count */
 723                                     num_gids,    /* uint32 num_groups */
 724                                     gids    , /* DOM_GID *gids */
 725                                     0x20    , /* uint32 user_flgs (?) */
 726                                     NULL, /* uchar sess_key[16] */
 727                                     my_name     , /* char *logon_srv */
 728                                     pdb_get_domain(sampw),
 729                                     &domain_sid,     /* DOM_SID *dom_sid */
 730                                     /* Should be users domain sid, not servers - for trusted domains */
 731
 732                                     NULL); /* char *other_sids */
 733         }
 734         free_server_info(&server_info);
 735         return status;
 736 }
 737
 738