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 /*************************************************************************
  33  init_net_r_req_chal:
  34  *************************************************************************/
  35
  36 static void init_net_r_req_chal(NET_R_REQ_CHAL *r_c,
  37                                 DOM_CHAL *srv_chal, NTSTATUS status)
  38 {
  39         DEBUG(6,("init_net_r_req_chal: %d\n", __LINE__));
  40         memcpy(r_c->srv_chal.data, srv_chal->data, sizeof(srv_chal->data));
  41         r_c->status = status;
  42 }
  43
  44 /*************************************************************************
  45  error messages cropping up when using nltest.exe...
  46  *************************************************************************/
  47
  48 #define ERROR_NO_SUCH_DOMAIN   0x54b
  49 #define ERROR_NO_LOGON_SERVERS 0x51f
  50
  51 /*************************************************************************
  52  net_reply_logon_ctrl:
  53  *************************************************************************/
  54
  55 /* Some flag values reverse engineered from NLTEST.EXE */
  56
  57 #define LOGON_CTRL_IN_SYNC          0x00
  58 #define LOGON_CTRL_REPL_NEEDED      0x01
  59 #define LOGON_CTRL_REPL_IN_PROGRESS 0x02
  60
  61 NTSTATUS _net_logon_ctrl(pipes_struct *p, NET_Q_LOGON_CTRL *q_u,
  62                        NET_R_LOGON_CTRL *r_u)
  63 {
  64         uint32 flags = 0x0;
  65         uint32 pdc_connection_status = 0x00; /* Maybe a win32 error code? */
  66
  67         /* Setup the Logon Control response */
  68
  69         init_net_r_logon_ctrl(r_u, q_u->query_level, flags,
  70                               pdc_connection_status);
  71
  72         return r_u->status;
  73 }
  74
  75 /****************************************************************************
  76 Send a message to smbd to do a sam synchronisation
  77 **************************************************************************/
  78 static void send_sync_message(void)
  79 {
  80         TDB_CONTEXT *tdb;
  81
  82         tdb = tdb_open_log(lock_path("connections.tdb"), 0,
  83                            TDB_DEFAULT, O_RDONLY, 0);
  84
  85         if (!tdb) {
  86                 DEBUG(3, ("send_sync_message(): failed to open connections "
  87                           "database\n"));
  88                 return;
  89         }
  90
  91         DEBUG(3, ("sending sam synchronisation message\n"));
  92
  93         message_send_all(tdb, MSG_SMB_SAM_SYNC, NULL, 0, False, NULL);
  94
  95         tdb_close(tdb);
  96 }
  97
  98 /*************************************************************************
  99  net_reply_logon_ctrl2:
 100  *************************************************************************/
 101
 102 NTSTATUS _net_logon_ctrl2(pipes_struct *p, NET_Q_LOGON_CTRL2 *q_u, NET_R_LOGON_CTRL2 *r_u)
 103 {
 104         uint32 flags = 0x0;
 105         uint32 pdc_connection_status = 0x0;
 106         uint32 logon_attempts = 0x0;
 107         uint32 tc_status = ERROR_NO_LOGON_SERVERS;
 108         const char *trusted_domain = "test_domain";
 109
 110         DEBUG(0, ("*** net long ctrl2 %d, %d, %d\n",
 111                   q_u->function_code, q_u->query_level, q_u->switch_value));
 112
 113         DEBUG(6,("_net_logon_ctrl2: %d\n", __LINE__));
 114
 115
 116         /* set up the Logon Control2 response */
 117         init_net_r_logon_ctrl2(r_u, q_u->query_level,
 118                                flags, pdc_connection_status, logon_attempts,
 119                                tc_status, trusted_domain);
 120
 121         if (lp_server_role() == ROLE_DOMAIN_BDC)
 122                 send_sync_message();
 123
 124         DEBUG(6,("_net_logon_ctrl2: %d\n", __LINE__));
 125
 126         return r_u->status;
 127 }
 128
 129 /*************************************************************************
 130  net_reply_trust_dom_list:
 131  *************************************************************************/
 132
 133 NTSTATUS _net_trust_dom_list(pipes_struct *p, NET_Q_TRUST_DOM_LIST *q_u, NET_R_TRUST_DOM_LIST *r_u)
 134 {
 135         const char *trusted_domain = "test_domain";
 136         uint32 num_trust_domains = 1;
 137
 138         DEBUG(6,("_net_trust_dom_list: %d\n", __LINE__));
 139
 140         /* set up the Trusted Domain List response */
 141         init_r_trust_dom(r_u, num_trust_domains, trusted_domain);
 142
 143         DEBUG(6,("_net_trust_dom_list: %d\n", __LINE__));
 144
 145         return r_u->status;
 146 }
 147
 148 /***********************************************************************************
 149  init_net_r_srv_pwset:
 150  ***********************************************************************************/
 151
 152 static void init_net_r_srv_pwset(NET_R_SRV_PWSET *r_s,
 153                                  DOM_CRED *srv_cred, NTSTATUS status)
 154 {
 155         DEBUG(5,("init_net_r_srv_pwset: %d\n", __LINE__));
 156
 157         memcpy(&r_s->srv_cred, srv_cred, sizeof(r_s->srv_cred));
 158         r_s->status = status;
 159
 160         DEBUG(5,("init_net_r_srv_pwset: %d\n", __LINE__));
 161 }
 162
 163 /******************************************************************
 164  gets a machine password entry.  checks access rights of the host.
 165  ******************************************************************/
 166
 167 static BOOL get_md4pw(char *md4pw, char *mach_acct)
 168 {
 169         SAM_ACCOUNT *sampass = NULL;
 170         const uint8 *pass;
 171         BOOL ret;
 172         uint32 acct_ctrl;
 173
 174 #if 0
 175     /*
 176      * Currently this code is redundent as we already have a filter
 177      * by hostname list. What this code really needs to do is to
 178      * get a hosts allowed/hosts denied list from the SAM database
 179      * on a per user basis, and make the access decision there.
 180      * I will leave this code here for now as a reminder to implement
 181      * this at a later date. JRA.
 182      */
 183
 184         if (!allow_access(lp_domain_hostsdeny(), lp_domain_hostsallow(),
 185                           client_name(), client_addr()))
 186         {
 187                 DEBUG(0,("get_md4pw: Workstation %s denied access to domain\n", mach_acct));
 188                 return False;
 189         }
 190 #endif /* 0 */
 191
 192         if(!NT_STATUS_IS_OK(pdb_init_sam(&sampass)))
 193                 return False;
 194
 195         /* JRA. This is ok as it is only used for generating the challenge. */
 196         become_root();
 197         ret=pdb_getsampwnam(sampass, mach_acct);
 198         unbecome_root();
 199
 200         if (ret==False) {
 201                 DEBUG(0,("get_md4pw: Workstation %s: no account in domain\n", mach_acct));
 202                 pdb_free_sam(&sampass);
 203                 return False;
 204         }
 205
 206         acct_ctrl = pdb_get_acct_ctrl(sampass);
 207         if (!(acct_ctrl & ACB_DISABLED) &&
 208             ((acct_ctrl & ACB_DOMTRUST) ||
 209              (acct_ctrl & ACB_WSTRUST) ||
 210              (acct_ctrl & ACB_SVRTRUST)) &&
 211             ((pass=pdb_get_nt_passwd(sampass)) != NULL)) {
 212                 memcpy(md4pw, pass, 16);
 213                 dump_data(5, md4pw, 16);
 214                 pdb_free_sam(&sampass);
 215                 return True;
 216         }
 217
 218         DEBUG(0,("get_md4pw: Workstation %s: no account in domain\n", mach_acct));
 219         pdb_free_sam(&sampass);
 220         return False;
 221
 222 }
 223
 224 /*************************************************************************
 225  _net_req_chal
 226  *************************************************************************/
 227
 228 NTSTATUS _net_req_chal(pipes_struct *p, NET_Q_REQ_CHAL *q_u, NET_R_REQ_CHAL *r_u)
 229 {
 230         NTSTATUS status = NT_STATUS_OK;
 231
 232         rpcstr_pull(p->dc.remote_machine,q_u->uni_logon_clnt.buffer,sizeof(fstring),q_u->uni_logon_clnt.uni_str_len*2,0);
 233
 234         /* create a server challenge for the client */
 235         /* Set these to random values. */
 236         generate_random_buffer(p->dc.srv_chal.data, 8, False);
 237
 238         memcpy(p->dc.srv_cred.challenge.data, p->dc.srv_chal.data, 8);
 239
 240         memcpy(p->dc.clnt_chal.data          , q_u->clnt_chal.data, sizeof(q_u->clnt_chal.data));
 241         memcpy(p->dc.clnt_cred.challenge.data, q_u->clnt_chal.data, sizeof(q_u->clnt_chal.data));
 242
 243         memset((char *)p->dc.sess_key, '\0', sizeof(p->dc.sess_key));
 244
 245         p->dc.challenge_sent = True;
 246         /* set up the LSA REQUEST CHALLENGE response */
 247         init_net_r_req_chal(r_u, &p->dc.srv_chal, status);
 248
 249         return status;
 250 }
 251
 252 /*************************************************************************
 253  init_net_r_auth:
 254  *************************************************************************/
 255
 256 static void init_net_r_auth(NET_R_AUTH *r_a, DOM_CHAL *resp_cred, NTSTATUS status)
 257 {
 258         memcpy(r_a->srv_chal.data, resp_cred->data, sizeof(resp_cred->data));
 259         r_a->status = status;
 260 }
 261
 262 /*************************************************************************
 263  _net_auth
 264  *************************************************************************/
 265
 266 NTSTATUS _net_auth(pipes_struct *p, NET_Q_AUTH *q_u, NET_R_AUTH *r_u)
 267 {
 268         NTSTATUS status = NT_STATUS_OK;
 269         DOM_CHAL srv_cred;
 270         UTIME srv_time;
 271         fstring mach_acct;
 272
 273         srv_time.time = 0;
 274
 275         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);
 276
 277         if (p->dc.challenge_sent && get_md4pw((char *)p->dc.md4pw, mach_acct)) {
 278
 279                 /* from client / server challenges and md4 password, generate sess key */
 280                 cred_session_key(&p->dc.clnt_chal, &p->dc.srv_chal,
 281                                  p->dc.md4pw, p->dc.sess_key);
 282
 283                 /* check that the client credentials are valid */
 284                 if (cred_assert(&q_u->clnt_chal, p->dc.sess_key, &p->dc.clnt_cred.challenge, srv_time)) {
 285
 286                         /* create server challenge for inclusion in the reply */
 287                         cred_create(p->dc.sess_key, &p->dc.srv_cred.challenge, srv_time, &srv_cred);
 288
 289                         /* copy the received client credentials for use next time */
 290                         memcpy(p->dc.clnt_cred.challenge.data, q_u->clnt_chal.data, sizeof(q_u->clnt_chal.data));
 291                         memcpy(p->dc.srv_cred .challenge.data, q_u->clnt_chal.data, sizeof(q_u->clnt_chal.data));
 292
 293                         /* Save the machine account name. */
 294                         fstrcpy(p->dc.mach_acct, mach_acct);
 295
 296                         p->dc.authenticated = True;
 297
 298                 } else {
 299                         status = NT_STATUS_ACCESS_DENIED;
 300                 }
 301         } else {
 302                 status = NT_STATUS_ACCESS_DENIED;
 303         }
 304
 305         /* set up the LSA AUTH response */
 306         init_net_r_auth(r_u, &srv_cred, status);
 307
 308         return r_u->status;
 309 }
 310
 311 /*************************************************************************
 312  init_net_r_auth_2:
 313  *************************************************************************/
 314
 315 static void init_net_r_auth_2(NET_R_AUTH_2 *r_a,
 316                               DOM_CHAL *resp_cred, NEG_FLAGS *flgs, NTSTATUS status)
 317 {
 318         memcpy(r_a->srv_chal.data, resp_cred->data, sizeof(resp_cred->data));
 319         memcpy(&r_a->srv_flgs, flgs, sizeof(r_a->srv_flgs));
 320         r_a->status = status;
 321 }
 322
 323 /*************************************************************************
 324  _net_auth_2
 325  *************************************************************************/
 326
 327 NTSTATUS _net_auth_2(pipes_struct *p, NET_Q_AUTH_2 *q_u, NET_R_AUTH_2 *r_u)
 328 {
 329         NTSTATUS status = NT_STATUS_OK;
 330         DOM_CHAL srv_cred;
 331         UTIME srv_time;
 332         NEG_FLAGS srv_flgs;
 333         fstring mach_acct;
 334
 335         srv_time.time = 0;
 336
 337         if ( (lp_server_schannel() == True) &&
 338              ((q_u->clnt_flgs.neg_flags & NETLOGON_NEG_SCHANNEL) == 0) ) {
 339
 340                 /* schannel must be used, but client did not offer it. */
 341                 status = NT_STATUS_ACCESS_DENIED;
 342         }
 343
 344         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);
 345
 346         if (p->dc.challenge_sent && get_md4pw((char *)p->dc.md4pw, mach_acct)) {
 347
 348                 /* from client / server challenges and md4 password, generate sess key */
 349                 cred_session_key(&p->dc.clnt_chal, &p->dc.srv_chal,
 350                                  p->dc.md4pw, p->dc.sess_key);
 351
 352                 /* check that the client credentials are valid */
 353                 if (cred_assert(&q_u->clnt_chal, p->dc.sess_key, &p->dc.clnt_cred.challenge, srv_time)) {
 354
 355                         /* create server challenge for inclusion in the reply */
 356                         cred_create(p->dc.sess_key, &p->dc.srv_cred.challenge, srv_time, &srv_cred);
 357
 358                         /* copy the received client credentials for use next time */
 359                         memcpy(p->dc.clnt_cred.challenge.data, q_u->clnt_chal.data, sizeof(q_u->clnt_chal.data));
 360                         memcpy(p->dc.srv_cred .challenge.data, q_u->clnt_chal.data, sizeof(q_u->clnt_chal.data));
 361
 362                         /* Save the machine account name. */
 363                         fstrcpy(p->dc.mach_acct, mach_acct);
 364
 365                         p->dc.authenticated = True;
 366
 367                 } else {
 368                         status = NT_STATUS_ACCESS_DENIED;
 369                 }
 370         } else {
 371                 status = NT_STATUS_ACCESS_DENIED;
 372         }
 373
 374         srv_flgs.neg_flags = 0x000001ff;
 375
 376         if (lp_server_schannel() != False) {
 377                 srv_flgs.neg_flags |= NETLOGON_NEG_SCHANNEL;
 378         }
 379
 380         /* set up the LSA AUTH 2 response */
 381         init_net_r_auth_2(r_u, &srv_cred, &srv_flgs, status);
 382
 383         if (NT_STATUS_IS_OK(status)) {
 384                 extern struct dcinfo last_dcinfo;
 385                 last_dcinfo = p->dc;
 386         }
 387
 388         return r_u->status;
 389 }
 390
 391 /*************************************************************************
 392  _net_srv_pwset
 393  *************************************************************************/
 394
 395 NTSTATUS _net_srv_pwset(pipes_struct *p, NET_Q_SRV_PWSET *q_u, NET_R_SRV_PWSET *r_u)
 396 {
 397         NTSTATUS status = NT_STATUS_ACCESS_DENIED;
 398         DOM_CRED srv_cred;
 399         pstring workstation;
 400         SAM_ACCOUNT *sampass=NULL;
 401         BOOL ret = False;
 402         unsigned char pwd[16];
 403         int i;
 404         uint32 acct_ctrl;
 405
 406         /* checks and updates credentials.  creates reply credentials */
 407         if (!(p->dc.authenticated && deal_with_creds(p->dc.sess_key, &p->dc.clnt_cred, &q_u->clnt_id.cred, &srv_cred)))
 408                 return NT_STATUS_INVALID_HANDLE;
 409
 410         memcpy(&p->dc.srv_cred, &p->dc.clnt_cred, sizeof(p->dc.clnt_cred));
 411
 412         DEBUG(5,("_net_srv_pwset: %d\n", __LINE__));
 413
 414         rpcstr_pull(workstation,q_u->clnt_id.login.uni_comp_name.buffer,
 415                     sizeof(workstation),q_u->clnt_id.login.uni_comp_name.uni_str_len*2,0);
 416
 417         DEBUG(3,("Server Password Set by Wksta:[%s] on account [%s]\n", workstation, p->dc.mach_acct));
 418
 419         pdb_init_sam(&sampass);
 420
 421         become_root();
 422         ret=pdb_getsampwnam(sampass, p->dc.mach_acct);
 423         unbecome_root();
 424
 425         /* Ensure the account exists and is a machine account. */
 426
 427         acct_ctrl = pdb_get_acct_ctrl(sampass);
 428
 429         if (!(ret
 430               && (acct_ctrl & ACB_WSTRUST ||
 431                       acct_ctrl & ACB_SVRTRUST ||
 432                       acct_ctrl & ACB_DOMTRUST))) {
 433                 pdb_free_sam(&sampass);
 434                 return NT_STATUS_NO_SUCH_USER;
 435         }
 436
 437         if (pdb_get_acct_ctrl(sampass) & ACB_DISABLED) {
 438                 pdb_free_sam(&sampass);
 439                 return NT_STATUS_ACCOUNT_DISABLED;
 440         }
 441
 442         DEBUG(100,("Server password set : new given value was :\n"));
 443         for(i = 0; i < 16; i++)
 444                 DEBUG(100,("%02X ", q_u->pwd[i]));
 445         DEBUG(100,("\n"));
 446
 447         cred_hash3( pwd, q_u->pwd, p->dc.sess_key, 0);
 448
 449         /* lies!  nt and lm passwords are _not_ the same: don't care */
 450         if (!pdb_set_lanman_passwd (sampass, pwd, PDB_CHANGED)) {
 451                 pdb_free_sam(&sampass);
 452                 return NT_STATUS_NO_MEMORY;
 453         }
 454
 455         if (!pdb_set_nt_passwd     (sampass, pwd, PDB_CHANGED)) {
 456                 pdb_free_sam(&sampass);
 457                 return NT_STATUS_NO_MEMORY;
 458         }
 459
 460         if (!pdb_set_pass_changed_now     (sampass)) {
 461                 pdb_free_sam(&sampass);
 462                 /* Not quite sure what this one qualifies as, but this will do */
 463                 return NT_STATUS_UNSUCCESSFUL;
 464         }
 465
 466         become_root();
 467         ret = pdb_update_sam_account (sampass);
 468         unbecome_root();
 469
 470         if (ret)
 471                 status = NT_STATUS_OK;
 472
 473         /* set up the LSA Server Password Set response */
 474         init_net_r_srv_pwset(r_u, &srv_cred, status);
 475
 476         pdb_free_sam(&sampass);
 477         return r_u->status;
 478 }
 479
 480
 481 /*************************************************************************
 482  _net_sam_logoff:
 483  *************************************************************************/
 484
 485 NTSTATUS _net_sam_logoff(pipes_struct *p, NET_Q_SAM_LOGOFF *q_u, NET_R_SAM_LOGOFF *r_u)
 486 {
 487         DOM_CRED srv_cred;
 488
 489         if (!get_valid_user_struct(p->vuid))
 490                 return NT_STATUS_NO_SUCH_USER;
 491
 492         /* checks and updates credentials.  creates reply credentials */
 493         if (!(p->dc.authenticated && deal_with_creds(p->dc.sess_key, &p->dc.clnt_cred,
 494                                                      &q_u->sam_id.client.cred, &srv_cred)))
 495                 return NT_STATUS_INVALID_HANDLE;
 496
 497         memcpy(&p->dc.srv_cred, &p->dc.clnt_cred, sizeof(p->dc.clnt_cred));
 498
 499         /* XXXX maybe we want to say 'no', reject the client's credentials */
 500         r_u->buffer_creds = 1; /* yes, we have valid server credentials */
 501         memcpy(&r_u->srv_creds, &srv_cred, sizeof(r_u->srv_creds));
 502
 503         r_u->status = NT_STATUS_OK;
 504
 505         return r_u->status;
 506 }
 507
 508
 509 /*************************************************************************
 510  _net_sam_logon
 511  *************************************************************************/
 512
 513 NTSTATUS _net_sam_logon(pipes_struct *p, NET_Q_SAM_LOGON *q_u, NET_R_SAM_LOGON *r_u)
 514 {
 515         NTSTATUS status = NT_STATUS_OK;
 516         NET_USER_INFO_3 *usr_info = NULL;
 517         NET_ID_INFO_CTR *ctr = q_u->sam_id.ctr;
 518         DOM_CRED srv_cred;
 519         UNISTR2 *uni_samlogon_user = NULL;
 520         UNISTR2 *uni_samlogon_domain = NULL;
 521         UNISTR2 *uni_samlogon_workstation = NULL;
 522         fstring nt_username, nt_domain, nt_workstation;
 523         auth_usersupplied_info *user_info = NULL;
 524         auth_serversupplied_info *server_info = NULL;
 525         extern userdom_struct current_user_info;
 526         SAM_ACCOUNT *sampw;
 527         struct auth_context *auth_context = NULL;
 528
 529         usr_info = (NET_USER_INFO_3 *)talloc(p->mem_ctx, sizeof(NET_USER_INFO_3));
 530         if (!usr_info)
 531                 return NT_STATUS_NO_MEMORY;
 532
 533         ZERO_STRUCTP(usr_info);
 534
 535         /* store the user information, if there is any. */
 536         r_u->user = usr_info;
 537         r_u->switch_value = 0; /* indicates no info */
 538         r_u->auth_resp = 1; /* authoritative response */
 539         r_u->switch_value = 3; /* indicates type of validation user info */
 540
 541         if (!get_valid_user_struct(p->vuid))
 542                 return NT_STATUS_NO_SUCH_USER;
 543
 544
 545         if ( (lp_server_schannel() == True) && (!p->netsec_auth_validated) ) {
 546                 /* 'server schannel = yes' should enforce use of
 547                    schannel, the client did offer it in auth2, but
 548                    obviously did not use it. */
 549                 return NT_STATUS_ACCESS_DENIED;
 550         }
 551
 552         /* checks and updates credentials.  creates reply credentials */
 553         if (!(p->dc.authenticated && deal_with_creds(p->dc.sess_key, &p->dc.clnt_cred, &q_u->sam_id.client.cred, &srv_cred)))
 554                 return NT_STATUS_INVALID_HANDLE;
 555
 556         memcpy(&p->dc.srv_cred, &p->dc.clnt_cred, sizeof(p->dc.clnt_cred));
 557
 558         r_u->buffer_creds = 1; /* yes, we have valid server credentials */
 559         memcpy(&r_u->srv_creds, &srv_cred, sizeof(r_u->srv_creds));
 560
 561         /* find the username */
 562
 563         switch (q_u->sam_id.logon_level) {
 564         case INTERACTIVE_LOGON_TYPE:
 565                 uni_samlogon_user = &ctr->auth.id1.uni_user_name;
 566                 uni_samlogon_domain = &ctr->auth.id1.uni_domain_name;
 567
 568                 uni_samlogon_workstation = &ctr->auth.id1.uni_wksta_name;
 569
 570                 DEBUG(3,("SAM Logon (Interactive). Domain:[%s].  ", lp_workgroup()));
 571                 break;
 572         case NET_LOGON_TYPE:
 573                 uni_samlogon_user = &ctr->auth.id2.uni_user_name;
 574                 uni_samlogon_domain = &ctr->auth.id2.uni_domain_name;
 575                 uni_samlogon_workstation = &ctr->auth.id2.uni_wksta_name;
 576
 577                 DEBUG(3,("SAM Logon (Network). Domain:[%s].  ", lp_workgroup()));
 578                 break;
 579         default:
 580                 DEBUG(2,("SAM Logon: unsupported switch value\n"));
 581                 return NT_STATUS_INVALID_INFO_CLASS;
 582         } /* end switch */
 583
 584         /* check username exists */
 585
 586         rpcstr_pull(nt_username,uni_samlogon_user->buffer,sizeof(nt_username),uni_samlogon_user->uni_str_len*2,0);
 587         rpcstr_pull(nt_domain,uni_samlogon_domain->buffer,sizeof(nt_domain),uni_samlogon_domain->uni_str_len*2,0);
 588         rpcstr_pull(nt_workstation,uni_samlogon_workstation->buffer,sizeof(nt_workstation),uni_samlogon_workstation->uni_str_len*2,0);
 589
 590         DEBUG(3,("User:[%s@%s] Requested Domain:[%s]\n", nt_username,
 591                  nt_workstation, nt_domain));
 592
 593         fstrcpy(current_user_info.smb_name, nt_username);
 594         sub_set_smb_name(nt_username);
 595
 596         /*
 597          * Convert to a UNIX username.
 598          */
 599
 600         DEBUG(5,("Attempting validation level %d for unmapped username %s.\n", q_u->sam_id.ctr->switch_value, nt_username));
 601
 602         status = NT_STATUS_OK;
 603
 604         switch (ctr->switch_value) {
 605         case NET_LOGON_TYPE:
 606         {
 607                 if (!NT_STATUS_IS_OK(status = make_auth_context_fixed(&auth_context, ctr->auth.id2.lm_chal))) {
 608                         return status;
 609                 }
 610
 611                 /* Standard challenge/response authenticaion */
 612                 if (!make_user_info_netlogon_network(&user_info,
 613                                                      nt_username, nt_domain,
 614                                                      nt_workstation,
 615                                                      ctr->auth.id2.lm_chal_resp.buffer,
 616                                                      ctr->auth.id2.lm_chal_resp.str_str_len,
 617                                                      ctr->auth.id2.nt_chal_resp.buffer,
 618                                                      ctr->auth.id2.nt_chal_resp.str_str_len)) {
 619                         status = NT_STATUS_NO_MEMORY;
 620                 }
 621                 break;
 622         }
 623         case INTERACTIVE_LOGON_TYPE:
 624                 /* 'Interactive' autheticaion, supplies the password in its
 625                    MD4 form, encrypted with the session key.  We will
 626                    convert this to chellange/responce for the auth
 627                    subsystem to chew on */
 628         {
 629                 const uint8 *chal;
 630
 631                 if (!NT_STATUS_IS_OK(status = make_auth_context_subsystem(&auth_context))) {
 632                         return status;
 633                 }
 634
 635                 chal = auth_context->get_ntlm_challenge(auth_context);
 636
 637                 if (!make_user_info_netlogon_interactive(&user_info,
 638                                                          nt_username, nt_domain,
 639                                                          nt_workstation, chal,
 640                                                          ctr->auth.id1.lm_owf.data,
 641                                                          ctr->auth.id1.nt_owf.data,
 642                                                          p->dc.sess_key)) {
 643                         status = NT_STATUS_NO_MEMORY;
 644                 }
 645                 break;
 646         }
 647         default:
 648                 DEBUG(2,("SAM Logon: unsupported switch value\n"));
 649                 return NT_STATUS_INVALID_INFO_CLASS;
 650         } /* end switch */
 651
 652         if ( NT_STATUS_IS_OK(status) ) {
 653                 status = auth_context->check_ntlm_password(auth_context,
 654                         user_info, &server_info);
 655         }
 656
 657         (auth_context->free)(&auth_context);
 658         free_user_info(&user_info);
 659
 660         DEBUG(5, ("_net_sam_logon: check_password returned status %s\n",
 661                   nt_errstr(status)));
 662
 663         /* Check account and password */
 664
 665         if (!NT_STATUS_IS_OK(status)) {
 666                 free_server_info(&server_info);
 667                 return status;
 668         }
 669
 670         if (server_info->guest) {
 671                 /* We don't like guest domain logons... */
 672                 DEBUG(5,("_net_sam_logon: Attempted domain logon as GUEST denied.\n"));
 673                 free_server_info(&server_info);
 674                 return NT_STATUS_LOGON_FAILURE;
 675         }
 676
 677         /* This is the point at which, if the login was successful, that
 678            the SAM Local Security Authority should record that the user is
 679            logged in to the domain.  */
 680
 681         {
 682                 DOM_GID *gids = NULL;
 683                 const DOM_SID *user_sid = NULL;
 684                 const DOM_SID *group_sid = NULL;
 685                 DOM_SID domain_sid;
 686                 uint32 user_rid, group_rid;
 687
 688                 int num_gids = 0;
 689                 pstring my_name;
 690                 fstring user_sid_string;
 691                 fstring group_sid_string;
 692                 uchar user_sess_key[16];
 693                 uchar netlogon_sess_key[16];
 694
 695                 sampw = server_info->sam_account;
 696
 697                 /* set up pointer indicating user/password failed to be found */
 698                 usr_info->ptr_user_info = 0;
 699
 700                 user_sid = pdb_get_user_sid(sampw);
 701                 group_sid = pdb_get_group_sid(sampw);
 702
 703                 sid_copy(&domain_sid, user_sid);
 704                 sid_split_rid(&domain_sid, &user_rid);
 705
 706                 if (!sid_peek_check_rid(&domain_sid, group_sid, &group_rid)) {
 707                         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",
 708                                   pdb_get_domain(sampw), pdb_get_username(sampw),
 709                                   sid_to_string(user_sid_string, user_sid),
 710                                   sid_to_string(group_sid_string, group_sid)));
 711                         return NT_STATUS_UNSUCCESSFUL;
 712                 }
 713
 714                 pstrcpy(my_name, global_myname());
 715
 716                 if (!NT_STATUS_IS_OK(status
 717                                      = nt_token_to_group_list(p->mem_ctx,
 718                                                               &domain_sid,
 719                                                               server_info->ptok,
 720                                                               &num_gids,
 721                                                               &gids))) {
 722                         return status;
 723                 }
 724
 725                 ZERO_STRUCT(netlogon_sess_key);
 726                 memcpy(netlogon_sess_key, p->dc.sess_key, 8);
 727                 memcpy(user_sess_key, server_info->session_key, sizeof(user_sess_key));
 728                 SamOEMhash(user_sess_key, netlogon_sess_key, 16);
 729                 ZERO_STRUCT(netlogon_sess_key);
 730
 731                 init_net_user_info3(p->mem_ctx, usr_info,
 732                                     user_rid,
 733                                     group_rid,
 734                                     pdb_get_username(sampw),
 735                                     pdb_get_fullname(sampw),
 736                                     pdb_get_homedir(sampw),
 737                                     pdb_get_dir_drive(sampw),
 738                                     pdb_get_logon_script(sampw),
 739                                     pdb_get_profile_path(sampw),
 740                                     pdb_get_logon_time(sampw),
 741                                     get_time_t_max(),
 742                                     get_time_t_max(),
 743                                     pdb_get_pass_last_set_time(sampw),
 744                                     pdb_get_pass_can_change_time(sampw),
 745                                     pdb_get_pass_must_change_time(sampw),
 746
 747                                     0, /* logon_count */
 748                                     0, /* bad_pw_count */
 749                                     num_gids,    /* uint32 num_groups */
 750                                     gids    , /* DOM_GID *gids */
 751                                     0x20    , /* uint32 user_flgs (?) */
 752                                     user_sess_key,
 753                                     my_name     , /* char *logon_srv */
 754                                     pdb_get_domain(sampw),
 755                                     &domain_sid,     /* DOM_SID *dom_sid */
 756                                     /* Should be users domain sid, not servers - for trusted domains */
 757
 758                                     NULL); /* char *other_sids */
 759                 ZERO_STRUCT(user_sess_key);
 760         }
 761         free_server_info(&server_info);
 762         return status;
 763 }
 764
 765