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