r2051: switched the samdb over to using the new destructor and reference
[idra/samba.git] / source4 / rpc_server / netlogon / dcerpc_netlogon.c
1 /* 
2    Unix SMB/CIFS implementation.
3
4    endpoint server for the netlogon pipe
5
6    Copyright (C) Andrew Bartlett <abartlet@samba.org> 2004
7    
8    This program is free software; you can redistribute it and/or modify
9    it under the terms of the GNU General Public License as published by
10    the Free Software Foundation; either version 2 of the License, or
11    (at your option) any later version.
12    
13    This program is distributed in the hope that it will be useful,
14    but WITHOUT ANY WARRANTY; without even the implied warranty of
15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16    GNU General Public License for more details.
17    
18    You should have received a copy of the GNU General Public License
19    along with this program; if not, write to the Free Software
20    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 */
22
23 #include "includes.h"
24 #include "rpc_server/common/common.h"
25
26 struct server_pipe_state {
27         TALLOC_CTX *mem_ctx;
28         struct netr_Credential client_challenge;
29         struct netr_Credential server_challenge;
30         BOOL authenticated;
31         char *account_name;
32         char *computer_name;  /* for logging only */
33         uint32_t acct_flags;
34         uint16_t sec_chan_type;
35         struct creds_CredentialState *creds;
36 };
37
38
39 /*
40   a client has connected to the netlogon server using schannel, so we need
41   to re-establish the credentials state
42 */
43 static NTSTATUS netlogon_schannel_setup(struct dcesrv_call_state *dce_call) 
44 {
45         struct server_pipe_state *state;
46         NTSTATUS status;
47         TALLOC_CTX *mem_ctx;
48
49         mem_ctx = talloc_init("netlogon_bind");
50         if (!mem_ctx) {
51                 return NT_STATUS_NO_MEMORY;
52         }
53         state = talloc_p(mem_ctx, struct server_pipe_state);
54         if (state == NULL) {
55                 talloc_destroy(mem_ctx);
56                 return NT_STATUS_NO_MEMORY;
57         }
58         ZERO_STRUCTP(state);
59         state->mem_ctx = mem_ctx;
60         state->authenticated = True;
61         
62         if (dce_call->conn->auth_state.session_info == NULL) {
63                 talloc_destroy(mem_ctx);
64                 smb_panic("No session info provided by schannel level setup!");
65                 return NT_STATUS_NO_USER_SESSION_KEY;
66         }
67         
68         status = dcerpc_schannel_creds(dce_call->conn->auth_state.gensec_security, 
69                                        mem_ctx, 
70                                        &state->creds);
71
72         if (!NT_STATUS_IS_OK(status)) {
73                 DEBUG(3, ("getting schannel credentials failed with %s\n", nt_errstr(status)));
74                 talloc_destroy(mem_ctx);
75                 return status;
76         }
77         
78         dce_call->conn->private = state;
79
80         return NT_STATUS_OK;
81 }
82
83 /*
84   a hook for bind on the netlogon pipe
85 */
86 static NTSTATUS netlogon_bind(struct dcesrv_call_state *dce_call, const struct dcesrv_interface *di) 
87 {
88         dce_call->conn->private = NULL;
89
90         /* if this is a schannel bind then we need to reconstruct the pipe state */
91         if (dce_call->conn->auth_state.auth_info &&
92             dce_call->conn->auth_state.auth_info->auth_type == DCERPC_AUTH_TYPE_SCHANNEL) {
93                 NTSTATUS status;
94
95                 DEBUG(5, ("schannel bind on netlogon\n"));
96
97                 status = netlogon_schannel_setup(dce_call);
98                 if (!NT_STATUS_IS_OK(status)) {
99                         DEBUG(3, ("schannel bind on netlogon failed with %s\n", nt_errstr(status)));
100                         return status;
101                 }
102         }
103
104         return NT_STATUS_OK;
105 }
106
107 /* this function is called when the client disconnects the endpoint */
108 static void netlogon_unbind(struct dcesrv_connection *conn, const struct dcesrv_interface *di) 
109 {
110         struct server_pipe_state *pipe_state = conn->private;
111
112         if (pipe_state) {
113                 talloc_destroy(pipe_state->mem_ctx);
114         }
115
116         conn->private = NULL;
117 }
118
119 #define DCESRV_INTERFACE_NETLOGON_BIND netlogon_bind
120 #define DCESRV_INTERFACE_NETLOGON_UNBIND netlogon_unbind
121
122 static NTSTATUS netr_ServerReqChallenge(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
123                                         struct netr_ServerReqChallenge *r)
124 {
125         struct server_pipe_state *pipe_state = dce_call->conn->private;
126         TALLOC_CTX *pipe_mem_ctx;
127
128         ZERO_STRUCTP(r->out.credentials);
129
130         /* destroyed on pipe shutdown */
131
132         if (pipe_state) {
133                 talloc_destroy(pipe_state->mem_ctx);
134                 dce_call->conn->private = NULL;
135         }
136         
137         pipe_mem_ctx = talloc_init("internal netlogon pipe state for %s", 
138                                    r->in.computer_name);
139         
140         if (!pipe_mem_ctx) {
141                 return NT_STATUS_NO_MEMORY;
142         }
143
144         pipe_state = talloc_p(pipe_mem_ctx, struct server_pipe_state);
145         if (!pipe_state) {
146                 talloc_destroy(pipe_mem_ctx);
147                 return NT_STATUS_NO_MEMORY;
148         }
149
150         pipe_state->mem_ctx = pipe_mem_ctx;
151         pipe_state->authenticated = False;
152         pipe_state->creds = NULL;
153         pipe_state->account_name = NULL;
154         pipe_state->computer_name = NULL;
155
156         pipe_state->client_challenge = *r->in.credentials;
157
158         generate_random_buffer(pipe_state->server_challenge.data, 
159                                sizeof(pipe_state->server_challenge.data));
160
161         *r->out.credentials = pipe_state->server_challenge;
162
163         dce_call->conn->private = pipe_state;
164
165         return NT_STATUS_OK;
166 }
167
168 static NTSTATUS netr_ServerAuthenticate3(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
169                                          struct netr_ServerAuthenticate3 *r)
170 {
171         struct server_pipe_state *pipe_state = dce_call->conn->private;
172         void *sam_ctx;
173         struct samr_Password *mach_pwd;
174         uint16_t acct_flags;
175         int num_records;
176         struct ldb_message **msgs;
177         NTSTATUS nt_status;
178         const char *attrs[] = {"unicodePwd", "lmPwdHash", "ntPwdHash", "userAccountControl", 
179                                "objectSid", NULL};
180
181         ZERO_STRUCTP(r->out.credentials);
182         *r->out.rid = 0;
183         *r->out.negotiate_flags = *r->in.negotiate_flags;
184
185         if (!pipe_state) {
186                 DEBUG(1, ("No challenge requested by client, cannot authenticate\n"));
187                 return NT_STATUS_ACCESS_DENIED;
188         }
189
190         sam_ctx = samdb_connect(mem_ctx);
191         if (sam_ctx == NULL) {
192                 return NT_STATUS_INVALID_SYSTEM_SERVICE;
193         }
194         /* pull the user attributes */
195         num_records = samdb_search(sam_ctx, mem_ctx, NULL, &msgs, attrs,
196                                    "(&(sAMAccountName=%s)(objectclass=user))", 
197                                    r->in.account_name);
198
199         if (num_records == 0) {
200                 DEBUG(3,("Couldn't find user [%s] in samdb.\n", 
201                          r->in.account_name));
202                 return NT_STATUS_NO_SUCH_USER;
203         }
204
205         if (num_records > 1) {
206                 DEBUG(0,("Found %d records matching user [%s]\n", num_records, r->in.account_name));
207                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
208         }
209
210         acct_flags = samdb_result_acct_flags(msgs[0], 
211                                              "userAccountControl");
212
213         if (acct_flags & ACB_DISABLED) {
214                 DEBUG(1, ("Account [%s] is disabled\n", r->in.account_name));
215                 return NT_STATUS_ACCESS_DENIED;
216         }
217
218         if (r->in.secure_channel_type == SEC_CHAN_WKSTA) {
219                 if (!(acct_flags & ACB_WSTRUST)) {
220                         DEBUG(1, ("Client asked for a workstation secure channel, but is not a workstation (member server) acb flags: 0x%x\n", acct_flags));
221                         return NT_STATUS_ACCESS_DENIED;
222                 }
223         } else if (r->in.secure_channel_type == SEC_CHAN_DOMAIN) {
224                 if (!(acct_flags & ACB_DOMTRUST)) {
225                         DEBUG(1, ("Client asked for a trusted domain secure channel, but is not a trusted domain: acb flags: 0x%x\n", acct_flags));
226                         return NT_STATUS_ACCESS_DENIED;
227                 }
228         } else if (r->in.secure_channel_type == SEC_CHAN_BDC) {
229                 if (!(acct_flags & ACB_SVRTRUST)) {
230                         DEBUG(1, ("Client asked for a server secure channel, but is not a server (domain controller): acb flags: 0x%x\n", acct_flags));
231                         return NT_STATUS_ACCESS_DENIED;
232                 }
233         } else {
234                 DEBUG(1, ("Client asked for an invalid secure channel type: %d\n", 
235                           r->in.secure_channel_type));
236                 return NT_STATUS_ACCESS_DENIED;
237         }
238
239         pipe_state->acct_flags = acct_flags;
240         pipe_state->sec_chan_type = r->in.secure_channel_type;
241
242         *r->out.rid = samdb_result_rid_from_sid(mem_ctx, msgs[0], "objectSid", 0);
243
244         nt_status = samdb_result_passwords(mem_ctx, msgs[0], NULL, &mach_pwd);
245         if (!NT_STATUS_IS_OK(nt_status) || mach_pwd == NULL) {
246                 return NT_STATUS_ACCESS_DENIED;
247         }
248
249         if (!pipe_state->creds) {
250                 pipe_state->creds = talloc_p(pipe_state->mem_ctx, struct creds_CredentialState);
251                 if (!pipe_state->creds) {
252                         return NT_STATUS_NO_MEMORY;
253                 }
254         }
255
256         creds_server_init(pipe_state->creds, &pipe_state->client_challenge, 
257                           &pipe_state->server_challenge, mach_pwd,
258                           r->out.credentials,
259                           *r->in.negotiate_flags);
260         
261         if (!creds_server_check(pipe_state->creds, r->in.credentials)) {
262                 return NT_STATUS_ACCESS_DENIED;
263         }
264
265         pipe_state->authenticated = True;
266
267         if (pipe_state->account_name) {
268                 /* We don't want a memory leak on this long-lived talloc context */
269                 talloc_free(pipe_state->account_name);
270         }
271
272         pipe_state->account_name = talloc_strdup(pipe_state->mem_ctx, r->in.account_name);
273         
274         if (pipe_state->computer_name) {
275                 /* We don't want a memory leak on this long-lived talloc context */
276                 talloc_free(pipe_state->account_name);
277         }
278
279         pipe_state->computer_name = talloc_strdup(pipe_state->mem_ctx, r->in.computer_name);
280
281         /* remember this session key state */
282         nt_status = schannel_store_session_key(mem_ctx, pipe_state->computer_name, pipe_state->creds);
283
284         return nt_status;
285 }
286                                                  
287 static NTSTATUS netr_ServerAuthenticate(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
288                                         struct netr_ServerAuthenticate *r)
289 {
290         struct netr_ServerAuthenticate3 r3;
291         uint32_t rid = 0;
292         /* TODO: 
293          * negotiate_flags is used as an [in] parameter
294          * so it need to be initialised.
295          *
296          * (I think ... = 0; seems wrong here --metze)
297          */
298         uint32 negotiate_flags = 0;  
299
300         r3.in.server_name = r->in.server_name;
301         r3.in.account_name = r->in.account_name;
302         r3.in.secure_channel_type = r->in.secure_channel_type;
303         r3.in.computer_name = r->in.computer_name;
304         r3.in.credentials = r->in.credentials;
305         r3.out.credentials = r->out.credentials;
306         r3.in.negotiate_flags = &negotiate_flags;
307         r3.out.negotiate_flags = &negotiate_flags;
308         r3.out.rid = &rid;
309         
310         return netr_ServerAuthenticate3(dce_call, mem_ctx, &r3);
311 }
312
313 static NTSTATUS netr_ServerAuthenticate2(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
314                                          struct netr_ServerAuthenticate2 *r)
315 {
316         struct netr_ServerAuthenticate3 r3;
317         uint32 rid = 0;
318
319         r3.in.server_name = r->in.server_name;
320         r3.in.account_name = r->in.account_name;
321         r3.in.secure_channel_type = r->in.secure_channel_type;
322         r3.in.computer_name = r->in.computer_name;
323         r3.in.credentials = r->in.credentials;
324         r3.out.credentials = r->out.credentials;
325         r3.in.negotiate_flags = r->in.negotiate_flags;
326         r3.out.negotiate_flags = r->out.negotiate_flags;
327         r3.out.rid = &rid;
328         
329         return netr_ServerAuthenticate3(dce_call, mem_ctx, &r3);
330 }
331
332
333 static BOOL netr_creds_server_step_check(struct server_pipe_state *pipe_state,
334                                          struct netr_Authenticator *received_authenticator,
335                                          struct netr_Authenticator *return_authenticator) 
336 {
337         if (!pipe_state->authenticated) {
338                 return False;
339         }
340         return creds_server_step_check(pipe_state->creds, 
341                                        received_authenticator, 
342                                        return_authenticator);
343 }
344
345
346 static NTSTATUS netr_ServerPasswordSet(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
347                                        struct netr_ServerPasswordSet *r)
348 {
349         struct server_pipe_state *pipe_state = dce_call->conn->private;
350
351         void *sam_ctx;
352         int num_records;
353         int num_records_domain;
354         int ret;
355         struct ldb_message **msgs;
356         struct ldb_message **msgs_domain;
357         NTSTATUS nt_status;
358         struct ldb_message mod, *msg_set_pw = &mod;
359         const char *domain_dn;
360         const char *domain_sid;
361
362         const char *attrs[] = {"objectSid", NULL };
363
364         const char **domain_attrs = attrs;
365         ZERO_STRUCT(mod);
366
367         if (!pipe_state) {
368                 DEBUG(1, ("No challenge requested by client, cannot authenticate\n"));
369                 return NT_STATUS_ACCESS_DENIED;
370         }
371
372         if (!netr_creds_server_step_check(pipe_state, &r->in.credential, &r->out.return_authenticator)) {
373                 return NT_STATUS_ACCESS_DENIED;
374         }
375
376         sam_ctx = samdb_connect(mem_ctx);
377         if (sam_ctx == NULL) {
378                 return NT_STATUS_INVALID_SYSTEM_SERVICE;
379         }
380         /* pull the user attributes */
381         num_records = samdb_search(sam_ctx, mem_ctx, NULL, &msgs, attrs,
382                                    "(&(sAMAccountName=%s)(objectclass=user))", 
383                                    pipe_state->account_name);
384
385         if (num_records == 0) {
386                 DEBUG(3,("Couldn't find user [%s] in samdb.\n", 
387                          pipe_state->account_name));
388                 return NT_STATUS_NO_SUCH_USER;
389         }
390
391         if (num_records > 1) {
392                 DEBUG(0,("Found %d records matching user [%s]\n", num_records, 
393                          pipe_state->account_name));
394                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
395         }
396
397         domain_sid = samdb_result_sid_prefix(mem_ctx, msgs[0], "objectSid");
398         if (!domain_sid) {
399                 DEBUG(0,("no objectSid in user record\n"));
400                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
401         }
402
403         /* find the domain's DN */
404         num_records_domain = samdb_search(sam_ctx, mem_ctx, NULL, 
405                                           &msgs_domain, domain_attrs,
406                                           "(&(objectSid=%s)(objectclass=domain))", 
407                                           domain_sid);
408
409         if (num_records_domain == 0) {
410                 DEBUG(3,("check_sam_security: Couldn't find domain [%s] in passdb file.\n", 
411                          domain_sid));
412                 return NT_STATUS_NO_SUCH_USER;
413         }
414
415         if (num_records_domain > 1) {
416                 DEBUG(0,("Found %d records matching domain [%s]\n", 
417                          num_records_domain, domain_sid));
418                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
419         }
420
421         domain_dn = msgs_domain[0]->dn;
422         
423         mod.dn = talloc_strdup(mem_ctx, msgs[0]->dn);
424         if (!mod.dn) {
425                 return NT_STATUS_NO_MEMORY;
426         }
427         
428         creds_des_decrypt(pipe_state->creds, &r->in.new_password);
429
430         /* set the password - samdb needs to know both the domain and user DNs,
431            so the domain password policy can be used */
432         nt_status = samdb_set_password(sam_ctx, mem_ctx,
433                                        msgs[0]->dn, domain_dn,
434                                        msg_set_pw, 
435                                        NULL, /* Don't have plaintext */
436                                        NULL, &r->in.new_password,
437                                        False /* This is not considered a password change */,
438                                        NULL);
439         
440         if (!NT_STATUS_IS_OK(nt_status)) {
441                 return nt_status;
442         }
443
444         ret = samdb_replace(sam_ctx, mem_ctx, msg_set_pw);
445         if (ret != 0) {
446                 /* we really need samdb.c to return NTSTATUS */
447                 return NT_STATUS_UNSUCCESSFUL;
448         }
449
450         return NT_STATUS_OK;
451 }
452
453
454 /* 
455   netr_LogonUasLogon 
456 */
457 static WERROR netr_LogonUasLogon(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
458                                  struct netr_LogonUasLogon *r)
459 {
460         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
461 }
462
463
464 /* 
465   netr_LogonUasLogoff 
466 */
467 static WERROR netr_LogonUasLogoff(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
468                        struct netr_LogonUasLogoff *r)
469 {
470         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
471 }
472
473
474 /* 
475   netr_LogonSamLogonWithFlags
476
477 */
478 static NTSTATUS netr_LogonSamLogonWithFlags(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
479                                             struct netr_LogonSamLogonWithFlags *r)
480 {
481         struct server_pipe_state *pipe_state = dce_call->conn->private;
482
483         struct auth_context *auth_context;
484         struct auth_usersupplied_info *user_info;
485         struct auth_serversupplied_info *server_info;
486         NTSTATUS nt_status;
487         const uint8_t *chal;
488         static const char zeros[16];
489         struct netr_SamBaseInfo *sam;
490         struct netr_SamInfo2 *sam2;
491         struct netr_SamInfo3 *sam3;
492         struct netr_SamInfo6 *sam6;
493         
494         if (!pipe_state) {
495                 DEBUG(1, ("No challenge requested by client, cannot authenticate\n"));
496                 return NT_STATUS_ACCESS_DENIED;
497         }
498
499         r->out.return_authenticator = talloc_p(mem_ctx, struct netr_Authenticator);
500         if (!r->out.return_authenticator) {
501                 return NT_STATUS_NO_MEMORY;
502         }
503
504         if (!netr_creds_server_step_check(pipe_state, r->in.credential, r->out.return_authenticator)) {
505                 return NT_STATUS_ACCESS_DENIED;
506         }
507
508         switch (r->in.logon_level) {
509         case 1:
510         case 3:
511         case 5:
512                 creds_arcfour_crypt(pipe_state->creds, 
513                                     r->in.logon.password->lmpassword.hash, 
514                                     sizeof(r->in.logon.password->lmpassword.hash));
515                 creds_arcfour_crypt(pipe_state->creds, 
516                                     r->in.logon.password->ntpassword.hash, 
517                                     sizeof(r->in.logon.password->ntpassword.hash));
518
519                 nt_status = make_auth_context_subsystem(&auth_context);
520                 if (!NT_STATUS_IS_OK(nt_status)) {
521                         return nt_status;
522                 }
523
524                 chal = auth_context->get_ntlm_challenge(auth_context);
525                 nt_status = make_user_info_netlogon_interactive(&user_info,
526                                                                 r->in.logon.password->identity_info.account_name.string,
527                                                                 r->in.logon.password->identity_info.domain_name.string,
528                                                                 r->in.logon.password->identity_info.workstation.string,
529                                                                 chal,
530                                                                 &r->in.logon.password->lmpassword,
531                                                                 &r->in.logon.password->ntpassword);
532                 break;
533                 
534         case 2:
535         case 6:
536                 nt_status = make_auth_context_fixed(&auth_context, r->in.logon.network->challenge);
537                 if (!NT_STATUS_IS_OK(nt_status)) {
538                         return nt_status;
539                 }
540
541                 nt_status = make_user_info_netlogon_network(&user_info,
542                                                             r->in.logon.network->identity_info.account_name.string,
543                                                             r->in.logon.network->identity_info.domain_name.string,
544                                                             r->in.logon.network->identity_info.workstation.string,
545                                                             r->in.logon.network->lm.data, r->in.logon.network->lm.length,
546                                                             r->in.logon.network->nt.data, r->in.logon.network->nt.length);
547                 break;
548         default:
549                 free_auth_context(&auth_context);
550                 return NT_STATUS_INVALID_PARAMETER;
551         }
552         
553         if (!NT_STATUS_IS_OK(nt_status)) {
554                 return nt_status;
555         }
556
557         nt_status = auth_context->check_ntlm_password(auth_context,
558                                                       user_info, 
559                                                       &server_info);
560
561         if (!NT_STATUS_IS_OK(nt_status)) {
562                 free_auth_context(&auth_context);
563                 return nt_status;
564         }
565         free_auth_context(&auth_context);
566
567         sam = talloc_p(mem_ctx, struct netr_SamBaseInfo);
568
569         ZERO_STRUCTP(sam);
570         
571         sam->last_logon = server_info->last_logon;
572         sam->last_logoff = server_info->last_logoff;
573         sam->acct_expiry = server_info->acct_expiry;
574         sam->last_password_change = server_info->last_password_change;
575         sam->allow_password_change = server_info->allow_password_change;
576         sam->force_password_change = server_info->force_password_change;
577         
578         sam->account_name.string = talloc_strdup(mem_ctx, server_info->account_name);
579         sam->full_name.string = talloc_strdup(mem_ctx, server_info->full_name);
580         sam->logon_script.string = talloc_strdup(mem_ctx, server_info->logon_script);
581         sam->profile_path.string = talloc_strdup(mem_ctx, server_info->profile_path);
582         sam->home_directory.string = talloc_strdup(mem_ctx, server_info->home_directory);
583         sam->home_drive.string = talloc_strdup(mem_ctx, server_info->home_drive);
584         
585         sam->logon_count = server_info->logon_count;
586         sam->bad_password_count = sam->bad_password_count;
587         sam->rid = server_info->user_sid->sub_auths[server_info->user_sid->num_auths-1];
588         sam->primary_gid = server_info->primary_group_sid->sub_auths[server_info->primary_group_sid->num_auths-1];
589         sam->group_count = 0;
590         sam->groupids = NULL;
591         sam->user_flags = 0; /* TODO: w2k3 uses 0x120 - what is this? */
592         sam->acct_flags = server_info->acct_flags;      
593         sam->logon_server.string = lp_netbios_name();
594         
595         sam->domain.string = talloc_strdup(mem_ctx, server_info->domain);
596         
597         sam->domain_sid = dom_sid_dup(mem_ctx, server_info->user_sid);
598         sam->domain_sid->num_auths--;
599
600         if (server_info->user_session_key.length == sizeof(sam->key.key)) {
601                 memcpy(sam->key.key, server_info->user_session_key.data, sizeof(sam->key.key));
602         } else {
603                 ZERO_STRUCT(sam->key.key);
604         }
605         
606         /* Don't crypt an all-zero key, it would give away the NETLOGON pipe session key */
607         if (memcmp(sam->key.key, zeros,  
608                    sizeof(sam->key.key)) != 0) {
609                 creds_arcfour_crypt(pipe_state->creds, 
610                                     sam->key.key, 
611                                     sizeof(sam->key.key));
612         }
613         
614         if (server_info->lm_session_key.length == sizeof(sam->LMSessKey.key)) {
615                 memcpy(sam->LMSessKey.key, server_info->lm_session_key.data, 
616                        sizeof(sam->LMSessKey.key));
617         } else {
618                 ZERO_STRUCT(sam->LMSessKey.key);
619         }
620         
621         /* Don't crypt an all-zero key, it would give away the NETLOGON pipe session key */
622         if (memcmp(sam->LMSessKey.key, zeros,  
623                    sizeof(sam->LMSessKey.key)) != 0) {
624                 creds_arcfour_crypt(pipe_state->creds, 
625                                     sam->LMSessKey.key, 
626                                     sizeof(sam->LMSessKey.key));
627         }
628
629         switch (r->in.validation_level) {
630         case 2:
631                 sam2 = talloc_p(mem_ctx, struct netr_SamInfo2);
632                 ZERO_STRUCTP(sam2);
633                 sam2->base = *sam;
634                 r->out.validation.sam2 = sam2;
635                 break;
636
637         case 3:
638                 sam3 = talloc_p(mem_ctx, struct netr_SamInfo3);
639                 ZERO_STRUCTP(sam3);
640                 sam3->base = *sam;
641                 r->out.validation.sam3 = sam3;
642                 break;
643
644         case 6:
645                 sam6 = talloc_p(mem_ctx, struct netr_SamInfo6);
646                 ZERO_STRUCTP(sam6);
647                 sam6->base = *sam;
648                 sam6->forest.string = lp_realm();
649                 sam6->principle.string = talloc_asprintf(mem_ctx, "%s@%s", 
650                                                          sam->account_name.string, sam6->forest.string);
651                 r->out.validation.sam6 = sam6;
652                 break;
653
654         default:
655                 break;
656         }
657
658         r->out.authoritative = 1;
659
660         return NT_STATUS_OK;
661 }
662
663 /* 
664   netr_LogonSamLogon
665 */
666 static NTSTATUS netr_LogonSamLogon(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
667                                    struct netr_LogonSamLogon *r)
668 {
669         struct netr_LogonSamLogonWithFlags r2;
670         NTSTATUS status;
671
672         ZERO_STRUCT(r2);
673
674         r2.in.server_name = r->in.server_name;
675         r2.in.workstation = r->in.workstation;
676         r2.in.credential  = r->in.credential;
677         r2.in.return_authenticator = r->in.return_authenticator;
678         r2.in.logon_level = r->in.logon_level;
679         r2.in.logon = r->in.logon;
680         r2.in.validation_level = r->in.validation_level;
681         r2.in.flags = 0;
682
683         status = netr_LogonSamLogonWithFlags(dce_call, mem_ctx, &r2);
684
685         r->out.return_authenticator = r2.out.return_authenticator;
686         r->out.validation = r2.out.validation;
687         r->out.authoritative = r2.out.authoritative;
688
689         return status;
690 }
691
692
693 /* 
694   netr_LogonSamLogoff 
695 */
696 static NTSTATUS netr_LogonSamLogoff(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
697                        struct netr_LogonSamLogoff *r)
698 {
699         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
700 }
701
702
703
704 /* 
705   netr_DatabaseDeltas 
706 */
707 static NTSTATUS netr_DatabaseDeltas(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
708                        struct netr_DatabaseDeltas *r)
709 {
710         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
711 }
712
713
714 /* 
715   netr_DatabaseSync 
716 */
717 static NTSTATUS netr_DatabaseSync(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
718                        struct netr_DatabaseSync *r)
719 {
720         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
721 }
722
723
724 /* 
725   netr_AccountDeltas 
726 */
727 static NTSTATUS netr_AccountDeltas(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
728                        struct netr_AccountDeltas *r)
729 {
730         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
731 }
732
733
734 /* 
735   netr_AccountSync 
736 */
737 static NTSTATUS netr_AccountSync(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
738                        struct netr_AccountSync *r)
739 {
740         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
741 }
742
743
744 /* 
745   netr_GetDcName 
746 */
747 static NTSTATUS netr_GetDcName(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
748                        struct netr_GetDcName *r)
749 {
750         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
751 }
752
753
754 /* 
755   netr_LogonControl 
756 */
757 static WERROR netr_LogonControl(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
758                        struct netr_LogonControl *r)
759 {
760         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
761 }
762
763
764 /* 
765   netr_GetAnyDCName 
766 */
767 static WERROR netr_GetAnyDCName(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
768                        struct netr_GetAnyDCName *r)
769 {
770         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
771 }
772
773
774 /* 
775   netr_LogonControl2 
776 */
777 static WERROR netr_LogonControl2(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
778                        struct netr_LogonControl2 *r)
779 {
780         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
781 }
782
783
784 /* 
785   netr_DatabaseSync2 
786 */
787 static NTSTATUS netr_DatabaseSync2(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
788                        struct netr_DatabaseSync2 *r)
789 {
790         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
791 }
792
793
794 /* 
795   netr_DatabaseRedo 
796 */
797 static NTSTATUS netr_DatabaseRedo(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
798                        struct netr_DatabaseRedo *r)
799 {
800         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
801 }
802
803
804 /* 
805   netr_LogonControl2Ex 
806 */
807 static WERROR netr_LogonControl2Ex(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
808                        struct netr_LogonControl2Ex *r)
809 {
810         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
811 }
812
813
814 /* 
815   netr_NETRENUMERATETRUSTEDDOMAINS 
816 */
817 static WERROR netr_NETRENUMERATETRUSTEDDOMAINS(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
818                        struct netr_NETRENUMERATETRUSTEDDOMAINS *r)
819 {
820         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
821 }
822
823
824 /* 
825   netr_DSRGETDCNAME 
826 */
827 static WERROR netr_DSRGETDCNAME(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
828                        struct netr_DSRGETDCNAME *r)
829 {
830         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
831 }
832
833
834 /* 
835   netr_NETRLOGONDUMMYROUTINE1 
836 */
837 static WERROR netr_NETRLOGONDUMMYROUTINE1(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
838                        struct netr_NETRLOGONDUMMYROUTINE1 *r)
839 {
840         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
841 }
842
843
844 /* 
845   netr_NETRLOGONSETSERVICEBITS 
846 */
847 static WERROR netr_NETRLOGONSETSERVICEBITS(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
848                        struct netr_NETRLOGONSETSERVICEBITS *r)
849 {
850         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
851 }
852
853
854 /* 
855   netr_NETRLOGONGETTRUSTRID 
856 */
857 static WERROR netr_NETRLOGONGETTRUSTRID(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
858                        struct netr_NETRLOGONGETTRUSTRID *r)
859 {
860         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
861 }
862
863
864 /* 
865   netr_NETRLOGONCOMPUTESERVERDIGEST 
866 */
867 static WERROR netr_NETRLOGONCOMPUTESERVERDIGEST(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
868                        struct netr_NETRLOGONCOMPUTESERVERDIGEST *r)
869 {
870         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
871 }
872
873
874 /* 
875   netr_NETRLOGONCOMPUTECLIENTDIGEST 
876 */
877 static WERROR netr_NETRLOGONCOMPUTECLIENTDIGEST(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
878                        struct netr_NETRLOGONCOMPUTECLIENTDIGEST *r)
879 {
880         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
881 }
882
883
884 /* 
885   netr_DSRGETDCNAMEX 
886 */
887 static WERROR netr_DSRGETDCNAMEX(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
888                        struct netr_DSRGETDCNAMEX *r)
889 {
890         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
891 }
892
893
894 /* 
895   netr_DSRGETSITENAME 
896 */
897 static WERROR netr_DSRGETSITENAME(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
898                        struct netr_DSRGETSITENAME *r)
899 {
900         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
901 }
902
903
904 /*
905   fill in a netr_DomainTrustInfo from a ldb search result
906 */
907 static NTSTATUS fill_domain_trust_info(TALLOC_CTX *mem_ctx, struct ldb_message *res,
908                                        struct netr_DomainTrustInfo *info)
909 {
910         ZERO_STRUCTP(info);
911         
912         info->domainname.string = samdb_result_string(res, "flatName", NULL);
913         if (info->domainname.string == NULL) {
914                 info->domainname.string = samdb_result_string(res, "name", NULL);
915                 info->fulldomainname.string = samdb_result_string(res, "dnsDomain", NULL);
916         } else {
917                 info->fulldomainname.string = samdb_result_string(res, "name", NULL);
918         }
919
920         /* TODO: we need proper forest support */
921         info->forest.string = info->fulldomainname.string;
922
923         info->guid = samdb_result_guid(res, "objectGUID");
924         info->sid = samdb_result_dom_sid(mem_ctx, res, "objectSid");
925
926         return NT_STATUS_OK;
927 }
928
929 /* 
930   netr_LogonGetDomainInfo
931   this is called as part of the ADS domain logon procedure.
932 */
933 static NTSTATUS netr_LogonGetDomainInfo(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
934                                         struct netr_LogonGetDomainInfo *r)
935 {
936         struct server_pipe_state *pipe_state = dce_call->conn->private;
937         const char * const attrs[] = { "name", "dnsDomain", "objectSid", 
938                                        "objectGUID", "flatName", NULL };
939         void *sam_ctx;
940         struct ldb_message **res1, **res2;
941         struct netr_DomainInfo1 *info1;
942         int ret1, ret2, i;
943         NTSTATUS status;
944
945         if (!pipe_state) {
946                 return NT_STATUS_ACCESS_DENIED;
947         }
948
949         if (!netr_creds_server_step_check(pipe_state, 
950                                           r->in.credential, r->out.credential)) {
951                 return NT_STATUS_ACCESS_DENIED;
952         }
953
954         sam_ctx = samdb_connect(mem_ctx);
955         if (sam_ctx == NULL) {
956                 return NT_STATUS_INVALID_SYSTEM_SERVICE;
957         }
958
959         /* we need to do two searches. The first will pull our primary
960            domain and the second will pull any trusted domains. Our
961            primary domain is also a "trusted" domain, so we need to
962            put the primary domain into the lists of returned trusts as
963            well */
964         ret1 = samdb_search(sam_ctx, mem_ctx, NULL, &res1, attrs, "(objectClass=domainDNS)");
965         if (ret1 != 1) {
966                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
967         }
968
969         ret2 = samdb_search(sam_ctx, mem_ctx, NULL, &res2, attrs, "(objectClass=trustedDomain)");
970         if (ret2 == -1) {
971                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
972         }
973
974         info1 = talloc_p(mem_ctx, struct netr_DomainInfo1);
975         if (info1 == NULL) {
976                 return NT_STATUS_NO_MEMORY;
977         }
978
979         ZERO_STRUCTP(info1);
980
981         info1->num_trusts = ret2 + 1;
982         info1->trusts = talloc_array_p(mem_ctx, struct netr_DomainTrustInfo, 
983                                        info1->num_trusts);
984         if (info1->trusts == NULL) {
985                 return NT_STATUS_NO_MEMORY;
986         }
987
988         status = fill_domain_trust_info(mem_ctx, res1[0], &info1->domaininfo);
989         if (!NT_STATUS_IS_OK(status)) {
990                 return status;
991         }
992
993         status = fill_domain_trust_info(mem_ctx, res1[0], &info1->trusts[0]);
994         if (!NT_STATUS_IS_OK(status)) {
995                 return status;
996         }
997
998         for (i=0;i<ret2;i++) {
999                 status = fill_domain_trust_info(mem_ctx, res2[i], &info1->trusts[i+1]);
1000                 if (!NT_STATUS_IS_OK(status)) {
1001                         return status;
1002                 }
1003         }
1004
1005         r->out.info.info1 = info1;
1006
1007         return NT_STATUS_OK;
1008 }
1009
1010
1011 /* 
1012   netr_NETRSERVERPASSWORDSET2 
1013 */
1014 static WERROR netr_NETRSERVERPASSWORDSET2(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
1015                        struct netr_NETRSERVERPASSWORDSET2 *r)
1016 {
1017         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
1018 }
1019
1020
1021 /* 
1022   netr_NETRSERVERPASSWORDGET 
1023 */
1024 static WERROR netr_NETRSERVERPASSWORDGET(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
1025                        struct netr_NETRSERVERPASSWORDGET *r)
1026 {
1027         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
1028 }
1029
1030
1031 /* 
1032   netr_NETRLOGONSENDTOSAM 
1033 */
1034 static WERROR netr_NETRLOGONSENDTOSAM(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
1035                        struct netr_NETRLOGONSENDTOSAM *r)
1036 {
1037         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
1038 }
1039
1040
1041 /* 
1042   netr_DSRADDRESSTOSITENAMESW 
1043 */
1044 static WERROR netr_DSRADDRESSTOSITENAMESW(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
1045                        struct netr_DSRADDRESSTOSITENAMESW *r)
1046 {
1047         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
1048 }
1049
1050
1051 /* 
1052   netr_DSRGETDCNAMEEX2 
1053 */
1054 static WERROR netr_DSRGETDCNAMEEX2(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
1055                        struct netr_DSRGETDCNAMEEX2 *r)
1056 {
1057         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
1058 }
1059
1060
1061 /* 
1062   netr_NETRLOGONGETTIMESERVICEPARENTDOMAIN 
1063 */
1064 static WERROR netr_NETRLOGONGETTIMESERVICEPARENTDOMAIN(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
1065                        struct netr_NETRLOGONGETTIMESERVICEPARENTDOMAIN *r)
1066 {
1067         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
1068 }
1069
1070
1071 /* 
1072   netr_NETRENUMERATETRUSTEDDOMAINSEX 
1073 */
1074 static WERROR netr_NETRENUMERATETRUSTEDDOMAINSEX(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
1075                        struct netr_NETRENUMERATETRUSTEDDOMAINSEX *r)
1076 {
1077         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
1078 }
1079
1080
1081 /* 
1082   netr_DSRADDRESSTOSITENAMESEXW 
1083 */
1084 static WERROR netr_DSRADDRESSTOSITENAMESEXW(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
1085                        struct netr_DSRADDRESSTOSITENAMESEXW *r)
1086 {
1087         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
1088 }
1089
1090
1091 /* 
1092   netr_DSRGETDCSITECOVERAGEW 
1093 */
1094 static WERROR netr_DSRGETDCSITECOVERAGEW(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
1095                        struct netr_DSRGETDCSITECOVERAGEW *r)
1096 {
1097         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
1098 }
1099
1100
1101 /* 
1102   netr_NETRLOGONSAMLOGONEX 
1103 */
1104 static WERROR netr_NETRLOGONSAMLOGONEX(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
1105                        struct netr_NETRLOGONSAMLOGONEX *r)
1106 {
1107         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
1108 }
1109
1110
1111 /* 
1112   netr_DsrEnumerateDomainTrusts 
1113 */
1114 static WERROR netr_DsrEnumerateDomainTrusts(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
1115                                               struct netr_DsrEnumerateDomainTrusts *r)
1116 {
1117         struct netr_DomainTrust *trusts;
1118         void *sam_ctx;
1119         int ret, i;
1120         struct ldb_message **res;
1121         const char * const attrs[] = { "name", "dnsDomain", "objectSid", "objectGUID", NULL };
1122
1123         ZERO_STRUCT(r->out);
1124
1125         sam_ctx = samdb_connect(mem_ctx);
1126         if (sam_ctx == NULL) {
1127                 return WERR_GENERAL_FAILURE;
1128         }
1129
1130         ret = samdb_search(sam_ctx, mem_ctx, NULL, &res, attrs, "(objectClass=domainDNS)");
1131         if (ret == -1) {
1132                 return WERR_GENERAL_FAILURE;            
1133         }
1134
1135         if (ret == 0) {
1136                 return WERR_OK;
1137         }
1138
1139         trusts = talloc_array_p(mem_ctx, struct netr_DomainTrust, ret);
1140         if (trusts == NULL) {
1141                 return WERR_NOMEM;
1142         }
1143         
1144         r->out.count = ret;
1145         r->out.trusts = trusts;
1146
1147         /* TODO: add filtering by trust_flags, and correct trust_type
1148            and attributes */
1149         for (i=0;i<ret;i++) {
1150                 trusts[i].netbios_name = samdb_result_string(res[i], "name", NULL);
1151                 trusts[i].dns_name     = samdb_result_string(res[i], "dnsDomain", NULL);
1152                 trusts[i].trust_flags = 
1153                         NETR_TRUST_FLAG_TREEROOT | 
1154                         NETR_TRUST_FLAG_IN_FOREST | 
1155                         NETR_TRUST_FLAG_PRIMARY;
1156                 trusts[i].parent_index = 0;
1157                 trusts[i].trust_type = 2;
1158                 trusts[i].trust_attributes = 0;
1159                 trusts[i].sid  = samdb_result_dom_sid(mem_ctx, res[i], "objectSid");
1160                 trusts[i].guid = samdb_result_guid(res[i], "objectGUID");
1161         }
1162         
1163
1164         return WERR_OK;
1165 }
1166
1167
1168 /* 
1169   netr_DSRDEREGISTERDNSHOSTRECORDS 
1170 */
1171 static WERROR netr_DSRDEREGISTERDNSHOSTRECORDS(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
1172                        struct netr_DSRDEREGISTERDNSHOSTRECORDS *r)
1173 {
1174         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
1175 }
1176
1177
1178 /* 
1179   netr_NETRSERVERTRUSTPASSWORDSGET 
1180 */
1181 static WERROR netr_NETRSERVERTRUSTPASSWORDSGET(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
1182                        struct netr_NETRSERVERTRUSTPASSWORDSGET *r)
1183 {
1184         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
1185 }
1186
1187
1188 /* 
1189   netr_DSRGETFORESTTRUSTINFORMATION 
1190 */
1191 static WERROR netr_DSRGETFORESTTRUSTINFORMATION(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
1192                        struct netr_DSRGETFORESTTRUSTINFORMATION *r)
1193 {
1194         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
1195 }
1196
1197
1198 /* 
1199   netr_NETRGETFORESTTRUSTINFORMATION 
1200 */
1201 static WERROR netr_NETRGETFORESTTRUSTINFORMATION(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
1202                        struct netr_NETRGETFORESTTRUSTINFORMATION *r)
1203 {
1204         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
1205 }
1206
1207
1208 /* 
1209   netr_NETRSERVERGETTRUSTINFO 
1210 */
1211 static WERROR netr_NETRSERVERGETTRUSTINFO(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
1212                        struct netr_NETRSERVERGETTRUSTINFO *r)
1213 {
1214         DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
1215 }
1216
1217
1218 /* include the generated boilerplate */
1219 #include "librpc/gen_ndr/ndr_netlogon_s.c"