2 Unix SMB/CIFS implementation.
4 Winbind daemon connection manager
6 Copyright (C) Tim Potter 2001
7 Copyright (C) Andrew Bartlett 2002
8 Copyright (C) Gerald (Jerry) Carter 2003-2005.
9 Copyright (C) Volker Lendecke 2004-2005
10 Copyright (C) Jeremy Allison 2006
12 This program is free software; you can redistribute it and/or modify
13 it under the terms of the GNU General Public License as published by
14 the Free Software Foundation; either version 3 of the License, or
15 (at your option) any later version.
17 This program is distributed in the hope that it will be useful,
18 but WITHOUT ANY WARRANTY; without even the implied warranty of
19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 GNU General Public License for more details.
22 You should have received a copy of the GNU General Public License
23 along with this program. If not, see <http://www.gnu.org/licenses/>.
27 We need to manage connections to domain controllers without having to
28 mess up the main winbindd code with other issues. The aim of the
29 connection manager is to:
31 - make connections to domain controllers and cache them
32 - re-establish connections when networks or servers go down
33 - centralise the policy on connection timeouts, domain controller
35 - manage re-entrancy for when winbindd becomes able to handle
36 multiple outstanding rpc requests
38 Why not have connection management as part of the rpc layer like tng?
39 Good question. This code may morph into libsmb/rpc_cache.c or something
40 like that but at the moment it's simply staying as part of winbind. I
41 think the TNG architecture of forcing every user of the rpc layer to use
42 the connection caching system is a bad idea. It should be an optional
43 method of using the routines.
45 The TNG design is quite good but I disagree with some aspects of the
53 - I'm pretty annoyed by all the make_nmb_name() stuff. It should be
54 moved down into another function.
56 - Take care when destroying cli_structs as they can be shared between
65 #define DBGC_CLASS DBGC_WINBIND
69 struct sockaddr_storage ss
;
72 extern struct winbindd_methods reconnect_methods
;
73 extern bool override_logfile
;
75 static NTSTATUS
init_dc_connection_network(struct winbindd_domain
*domain
);
76 static void set_dc_type_and_flags( struct winbindd_domain
*domain
);
77 static bool get_dcs(TALLOC_CTX
*mem_ctx
, struct winbindd_domain
*domain
,
78 struct dc_name_ip
**dcs
, int *num_dcs
);
80 /****************************************************************
81 Child failed to find DC's. Reschedule check.
82 ****************************************************************/
84 static void msg_failed_to_go_online(struct messaging_context
*msg
,
87 struct server_id server_id
,
90 struct winbindd_domain
*domain
;
91 const char *domainname
= (const char *)data
->data
;
93 if (data
->data
== NULL
|| data
->length
== 0) {
97 DEBUG(5,("msg_fail_to_go_online: received for domain %s.\n", domainname
));
99 for (domain
= domain_list(); domain
; domain
= domain
->next
) {
100 if (domain
->internal
) {
104 if (strequal(domain
->name
, domainname
)) {
105 if (domain
->online
) {
106 /* We're already online, ignore. */
107 DEBUG(5,("msg_fail_to_go_online: domain %s "
108 "already online.\n", domainname
));
112 /* Reschedule the online check. */
113 set_domain_offline(domain
);
119 /****************************************************************
120 Actually cause a reconnect from a message.
121 ****************************************************************/
123 static void msg_try_to_go_online(struct messaging_context
*msg
,
126 struct server_id server_id
,
129 struct winbindd_domain
*domain
;
130 const char *domainname
= (const char *)data
->data
;
132 if (data
->data
== NULL
|| data
->length
== 0) {
136 DEBUG(5,("msg_try_to_go_online: received for domain %s.\n", domainname
));
138 for (domain
= domain_list(); domain
; domain
= domain
->next
) {
139 if (domain
->internal
) {
143 if (strequal(domain
->name
, domainname
)) {
145 if (domain
->online
) {
146 /* We're already online, ignore. */
147 DEBUG(5,("msg_try_to_go_online: domain %s "
148 "already online.\n", domainname
));
152 /* This call takes care of setting the online
153 flag to true if we connected, or re-adding
154 the offline handler if false. Bypasses online
155 check so always does network calls. */
157 init_dc_connection_network(domain
);
163 /****************************************************************
164 Fork a child to try and contact a DC. Do this as contacting a
165 DC requires blocking lookups and we don't want to block our
167 ****************************************************************/
169 static bool fork_child_dc_connect(struct winbindd_domain
*domain
)
171 struct dc_name_ip
*dcs
= NULL
;
173 TALLOC_CTX
*mem_ctx
= NULL
;
174 pid_t parent_pid
= sys_getpid();
177 if (domain
->dc_probe_pid
!= (pid_t
)-1) {
179 * We might already have a DC probe
180 * child working, check.
182 if (process_exists_by_pid(domain
->dc_probe_pid
)) {
183 DEBUG(10,("fork_child_dc_connect: pid %u already "
184 "checking for DC's.\n",
185 (unsigned int)domain
->dc_probe_pid
));
188 domain
->dc_probe_pid
= (pid_t
)-1;
191 domain
->dc_probe_pid
= sys_fork();
193 if (domain
->dc_probe_pid
== (pid_t
)-1) {
194 DEBUG(0, ("fork_child_dc_connect: Could not fork: %s\n", strerror(errno
)));
198 if (domain
->dc_probe_pid
!= (pid_t
)0) {
200 messaging_register(winbind_messaging_context(), NULL
,
201 MSG_WINBIND_TRY_TO_GO_ONLINE
,
202 msg_try_to_go_online
);
203 messaging_register(winbind_messaging_context(), NULL
,
204 MSG_WINBIND_FAILED_TO_GO_ONLINE
,
205 msg_failed_to_go_online
);
211 /* Leave messages blocked - we will never process one. */
213 if (!override_logfile
) {
214 if (asprintf(&lfile
, "%s/log.winbindd-dc-connect", get_dyn_LOGFILEBASE()) == -1) {
215 DEBUG(0, ("fork_child_dc_connect: out of memory.\n"));
220 if (!winbindd_reinit_after_fork(lfile
)) {
221 messaging_send_buf(winbind_messaging_context(),
222 pid_to_procid(parent_pid
),
223 MSG_WINBIND_FAILED_TO_GO_ONLINE
,
224 (uint8
*)domain
->name
,
225 strlen(domain
->name
)+1);
230 mem_ctx
= talloc_init("fork_child_dc_connect");
232 DEBUG(0,("talloc_init failed.\n"));
233 messaging_send_buf(winbind_messaging_context(),
234 pid_to_procid(parent_pid
),
235 MSG_WINBIND_FAILED_TO_GO_ONLINE
,
236 (uint8
*)domain
->name
,
237 strlen(domain
->name
)+1);
241 if ((!get_dcs(mem_ctx
, domain
, &dcs
, &num_dcs
)) || (num_dcs
== 0)) {
242 /* Still offline ? Can't find DC's. */
243 messaging_send_buf(winbind_messaging_context(),
244 pid_to_procid(parent_pid
),
245 MSG_WINBIND_FAILED_TO_GO_ONLINE
,
246 (uint8
*)domain
->name
,
247 strlen(domain
->name
)+1);
251 /* We got a DC. Send a message to our parent to get it to
252 try and do the same. */
254 messaging_send_buf(winbind_messaging_context(),
255 pid_to_procid(parent_pid
),
256 MSG_WINBIND_TRY_TO_GO_ONLINE
,
257 (uint8
*)domain
->name
,
258 strlen(domain
->name
)+1);
262 /****************************************************************
263 Handler triggered if we're offline to try and detect a DC.
264 ****************************************************************/
266 static void check_domain_online_handler(struct event_context
*ctx
,
267 struct timed_event
*te
,
271 struct winbindd_domain
*domain
=
272 (struct winbindd_domain
*)private_data
;
274 DEBUG(10,("check_domain_online_handler: called for domain "
275 "%s (online = %s)\n", domain
->name
,
276 domain
->online
? "True" : "False" ));
278 TALLOC_FREE(domain
->check_online_event
);
280 /* Are we still in "startup" mode ? */
282 if (domain
->startup
&& (now
.tv_sec
> domain
->startup_time
+ 30)) {
283 /* No longer in "startup" mode. */
284 DEBUG(10,("check_domain_online_handler: domain %s no longer in 'startup' mode.\n",
286 domain
->startup
= False
;
289 /* We've been told to stay offline, so stay
292 if (get_global_winbindd_state_offline()) {
293 DEBUG(10,("check_domain_online_handler: domain %s remaining globally offline\n",
298 /* Fork a child to test if it can contact a DC.
299 If it can then send ourselves a message to
300 cause a reconnect. */
302 fork_child_dc_connect(domain
);
305 /****************************************************************
306 If we're still offline setup the timeout check.
307 ****************************************************************/
309 static void calc_new_online_timeout_check(struct winbindd_domain
*domain
)
311 int wbr
= lp_winbind_reconnect_delay();
313 if (domain
->startup
) {
314 domain
->check_online_timeout
= 10;
315 } else if (domain
->check_online_timeout
< wbr
) {
316 domain
->check_online_timeout
= wbr
;
320 /****************************************************************
321 Set domain offline and also add handler to put us back online
323 ****************************************************************/
325 void set_domain_offline(struct winbindd_domain
*domain
)
327 DEBUG(10,("set_domain_offline: called for domain %s\n",
330 TALLOC_FREE(domain
->check_online_event
);
332 if (domain
->internal
) {
333 DEBUG(3,("set_domain_offline: domain %s is internal - logic error.\n",
338 domain
->online
= False
;
340 /* Offline domains are always initialized. They're
341 re-initialized when they go back online. */
343 domain
->initialized
= True
;
345 /* We only add the timeout handler that checks and
346 allows us to go back online when we've not
347 been told to remain offline. */
349 if (get_global_winbindd_state_offline()) {
350 DEBUG(10,("set_domain_offline: domain %s remaining globally offline\n",
355 /* If we're in statup mode, check again in 10 seconds, not in
356 lp_winbind_reconnect_delay() seconds (which is 30 seconds by default). */
358 calc_new_online_timeout_check(domain
);
360 domain
->check_online_event
= event_add_timed(winbind_event_context(),
362 timeval_current_ofs(domain
->check_online_timeout
,0),
363 check_domain_online_handler
,
366 /* The above *has* to succeed for winbindd to work. */
367 if (!domain
->check_online_event
) {
368 smb_panic("set_domain_offline: failed to add online handler");
371 DEBUG(10,("set_domain_offline: added event handler for domain %s\n",
374 /* Send an offline message to the idmap child when our
375 primary domain goes offline */
377 if ( domain
->primary
) {
378 struct winbindd_child
*idmap
= idmap_child();
380 if ( idmap
->pid
!= 0 ) {
381 messaging_send_buf(winbind_messaging_context(),
382 pid_to_procid(idmap
->pid
),
384 (uint8
*)domain
->name
,
385 strlen(domain
->name
)+1);
392 /****************************************************************
393 Set domain online - if allowed.
394 ****************************************************************/
396 static void set_domain_online(struct winbindd_domain
*domain
)
398 DEBUG(10,("set_domain_online: called for domain %s\n",
401 if (domain
->internal
) {
402 DEBUG(3,("set_domain_online: domain %s is internal - logic error.\n",
407 if (get_global_winbindd_state_offline()) {
408 DEBUG(10,("set_domain_online: domain %s remaining globally offline\n",
413 winbindd_set_locator_kdc_envs(domain
);
415 /* If we are waiting to get a krb5 ticket, trigger immediately. */
416 ccache_regain_all_now();
418 /* Ok, we're out of any startup mode now... */
419 domain
->startup
= False
;
421 if (domain
->online
== False
) {
422 /* We were offline - now we're online. We default to
423 using the MS-RPC backend if we started offline,
424 and if we're going online for the first time we
425 should really re-initialize the backends and the
426 checks to see if we're talking to an AD or NT domain.
429 domain
->initialized
= False
;
431 /* 'reconnect_methods' is the MS-RPC backend. */
432 if (domain
->backend
== &reconnect_methods
) {
433 domain
->backend
= NULL
;
437 /* Ensure we have no online timeout checks. */
438 domain
->check_online_timeout
= 0;
439 TALLOC_FREE(domain
->check_online_event
);
441 /* Ensure we ignore any pending child messages. */
442 messaging_deregister(winbind_messaging_context(),
443 MSG_WINBIND_TRY_TO_GO_ONLINE
, NULL
);
444 messaging_deregister(winbind_messaging_context(),
445 MSG_WINBIND_FAILED_TO_GO_ONLINE
, NULL
);
447 domain
->online
= True
;
449 /* Send an online message to the idmap child when our
450 primary domain comes online */
452 if ( domain
->primary
) {
453 struct winbindd_child
*idmap
= idmap_child();
455 if ( idmap
->pid
!= 0 ) {
456 messaging_send_buf(winbind_messaging_context(),
457 pid_to_procid(idmap
->pid
),
459 (uint8
*)domain
->name
,
460 strlen(domain
->name
)+1);
467 /****************************************************************
468 Requested to set a domain online.
469 ****************************************************************/
471 void set_domain_online_request(struct winbindd_domain
*domain
)
475 DEBUG(10,("set_domain_online_request: called for domain %s\n",
478 if (get_global_winbindd_state_offline()) {
479 DEBUG(10,("set_domain_online_request: domain %s remaining globally offline\n",
484 /* We've been told it's safe to go online and
485 try and connect to a DC. But I don't believe it
486 because network manager seems to lie.
487 Wait at least 5 seconds. Heuristics suck... */
492 /* Go into "startup" mode again. */
493 domain
->startup_time
= tev
.tv_sec
;
494 domain
->startup
= True
;
498 if (!domain
->check_online_event
) {
499 /* If we've come from being globally offline we
500 don't have a check online event handler set.
501 We need to add one now we're trying to go
504 DEBUG(10,("set_domain_online_request: domain %s was globally offline.\n",
508 TALLOC_FREE(domain
->check_online_event
);
510 domain
->check_online_event
= event_add_timed(winbind_event_context(),
513 check_domain_online_handler
,
516 /* The above *has* to succeed for winbindd to work. */
517 if (!domain
->check_online_event
) {
518 smb_panic("set_domain_online_request: failed to add online handler");
522 /****************************************************************
523 Add -ve connection cache entries for domain and realm.
524 ****************************************************************/
526 void winbind_add_failed_connection_entry(const struct winbindd_domain
*domain
,
530 add_failed_connection_entry(domain
->name
, server
, result
);
531 /* If this was the saf name for the last thing we talked to,
533 saf_delete(domain
->name
);
534 if (*domain
->alt_name
) {
535 add_failed_connection_entry(domain
->alt_name
, server
, result
);
536 saf_delete(domain
->alt_name
);
538 winbindd_unset_locator_kdc_env(domain
);
541 /* Choose between anonymous or authenticated connections. We need to use
542 an authenticated connection if DCs have the RestrictAnonymous registry
543 entry set > 0, or the "Additional restrictions for anonymous
544 connections" set in the win2k Local Security Policy.
546 Caller to free() result in domain, username, password
549 static void cm_get_ipc_userpass(char **username
, char **domain
, char **password
)
551 *username
= (char *)secrets_fetch(SECRETS_AUTH_USER
, NULL
);
552 *domain
= (char *)secrets_fetch(SECRETS_AUTH_DOMAIN
, NULL
);
553 *password
= (char *)secrets_fetch(SECRETS_AUTH_PASSWORD
, NULL
);
555 if (*username
&& **username
) {
557 if (!*domain
|| !**domain
)
558 *domain
= smb_xstrdup(lp_workgroup());
560 if (!*password
|| !**password
)
561 *password
= smb_xstrdup("");
563 DEBUG(3, ("cm_get_ipc_userpass: Retrieved auth-user from secrets.tdb [%s\\%s]\n",
564 *domain
, *username
));
567 DEBUG(3, ("cm_get_ipc_userpass: No auth-user defined\n"));
568 *username
= smb_xstrdup("");
569 *domain
= smb_xstrdup("");
570 *password
= smb_xstrdup("");
574 static bool get_dc_name_via_netlogon(struct winbindd_domain
*domain
,
576 struct sockaddr_storage
*dc_ss
)
578 struct winbindd_domain
*our_domain
= NULL
;
579 struct rpc_pipe_client
*netlogon_pipe
= NULL
;
583 unsigned int orig_timeout
;
584 const char *tmp
= NULL
;
587 /* Hmmmm. We can only open one connection to the NETLOGON pipe at the
594 if (domain
->primary
) {
598 our_domain
= find_our_domain();
600 if ((mem_ctx
= talloc_init("get_dc_name_via_netlogon")) == NULL
) {
604 result
= cm_connect_netlogon(our_domain
, &netlogon_pipe
);
605 if (!NT_STATUS_IS_OK(result
)) {
606 talloc_destroy(mem_ctx
);
610 /* This call can take a long time - allow the server to time out.
611 35 seconds should do it. */
613 orig_timeout
= rpccli_set_timeout(netlogon_pipe
, 35000);
615 if (our_domain
->active_directory
) {
616 struct netr_DsRGetDCNameInfo
*domain_info
= NULL
;
618 result
= rpccli_netr_DsRGetDCName(netlogon_pipe
,
627 if (NT_STATUS_IS_OK(result
) && W_ERROR_IS_OK(werr
)) {
629 mem_ctx
, domain_info
->dc_unc
);
631 DEBUG(0, ("talloc_strdup failed\n"));
632 talloc_destroy(mem_ctx
);
635 if (strlen(domain
->alt_name
) == 0) {
636 fstrcpy(domain
->alt_name
,
637 domain_info
->domain_name
);
639 if (strlen(domain
->forest_name
) == 0) {
640 fstrcpy(domain
->forest_name
,
641 domain_info
->forest_name
);
645 result
= rpccli_netr_GetAnyDCName(netlogon_pipe
, mem_ctx
,
652 /* And restore our original timeout. */
653 rpccli_set_timeout(netlogon_pipe
, orig_timeout
);
655 if (!NT_STATUS_IS_OK(result
)) {
656 DEBUG(10,("rpccli_netr_GetAnyDCName failed: %s\n",
658 talloc_destroy(mem_ctx
);
662 if (!W_ERROR_IS_OK(werr
)) {
663 DEBUG(10,("rpccli_netr_GetAnyDCName failed: %s\n",
665 talloc_destroy(mem_ctx
);
669 /* rpccli_netr_GetAnyDCName gives us a name with \\ */
670 p
= strip_hostname(tmp
);
674 talloc_destroy(mem_ctx
);
676 DEBUG(10,("rpccli_netr_GetAnyDCName returned %s\n", dcname
));
678 if (!resolve_name(dcname
, dc_ss
, 0x20)) {
686 * Helper function to assemble trust password and account name
688 static NTSTATUS
get_trust_creds(const struct winbindd_domain
*domain
,
689 char **machine_password
,
690 char **machine_account
,
691 char **machine_krb5_principal
)
693 const char *account_name
;
694 const char *name
= NULL
;
696 /* If we are a DC and this is not our own domain */
701 struct winbindd_domain
*our_domain
= find_our_domain();
704 return NT_STATUS_INVALID_SERVER_STATE
;
706 name
= our_domain
->name
;
709 if (!get_trust_pw_clear(name
, machine_password
,
710 &account_name
, NULL
))
712 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO
;
715 if ((machine_account
!= NULL
) &&
716 (asprintf(machine_account
, "%s$", account_name
) == -1))
718 return NT_STATUS_NO_MEMORY
;
721 /* For now assume our machine account only exists in our domain */
723 if (machine_krb5_principal
!= NULL
)
725 struct winbindd_domain
*our_domain
= find_our_domain();
728 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO
;
731 if (asprintf(machine_krb5_principal
, "%s$@%s",
732 account_name
, our_domain
->alt_name
) == -1)
734 return NT_STATUS_NO_MEMORY
;
737 strupper_m(*machine_krb5_principal
);
743 /************************************************************************
744 Given a fd with a just-connected TCP connection to a DC, open a connection
746 ************************************************************************/
748 static NTSTATUS
cm_prepare_connection(const struct winbindd_domain
*domain
,
750 const char *controller
,
751 struct cli_state
**cli
,
754 char *machine_password
= NULL
;
755 char *machine_krb5_principal
= NULL
;
756 char *machine_account
= NULL
;
757 char *ipc_username
= NULL
;
758 char *ipc_domain
= NULL
;
759 char *ipc_password
= NULL
;
761 struct named_mutex
*mutex
;
763 NTSTATUS result
= NT_STATUS_UNSUCCESSFUL
;
765 struct sockaddr peeraddr
;
766 socklen_t peeraddr_len
;
768 struct sockaddr_in
*peeraddr_in
= (struct sockaddr_in
*)&peeraddr
;
770 DEBUG(10,("cm_prepare_connection: connecting to DC %s for domain %s\n",
771 controller
, domain
->name
));
775 mutex
= grab_named_mutex(talloc_tos(), controller
,
776 WINBIND_SERVER_MUTEX_WAIT_TIME
);
778 DEBUG(0,("cm_prepare_connection: mutex grab failed for %s\n",
780 result
= NT_STATUS_POSSIBLE_DEADLOCK
;
784 if ((*cli
= cli_initialise()) == NULL
) {
785 DEBUG(1, ("Could not cli_initialize\n"));
786 result
= NT_STATUS_NO_MEMORY
;
790 (*cli
)->timeout
= 10000; /* 10 seconds */
792 fstrcpy((*cli
)->desthost
, controller
);
793 (*cli
)->use_kerberos
= True
;
795 peeraddr_len
= sizeof(peeraddr
);
797 if ((getpeername((*cli
)->fd
, &peeraddr
, &peeraddr_len
) != 0)) {
798 DEBUG(0,("cm_prepare_connection: getpeername failed with: %s\n",
800 result
= NT_STATUS_UNSUCCESSFUL
;
804 if ((peeraddr_len
!= sizeof(struct sockaddr_in
))
806 && (peeraddr_len
!= sizeof(struct sockaddr_in6
))
809 DEBUG(0,("cm_prepare_connection: got unexpected peeraddr len %d\n",
811 result
= NT_STATUS_UNSUCCESSFUL
;
815 if ((peeraddr_in
->sin_family
!= PF_INET
)
817 && (peeraddr_in
->sin_family
!= PF_INET6
)
820 DEBUG(0,("cm_prepare_connection: got unexpected family %d\n",
821 peeraddr_in
->sin_family
));
822 result
= NT_STATUS_UNSUCCESSFUL
;
826 if (ntohs(peeraddr_in
->sin_port
) == 139) {
827 struct nmb_name calling
;
828 struct nmb_name called
;
830 make_nmb_name(&calling
, global_myname(), 0x0);
831 make_nmb_name(&called
, "*SMBSERVER", 0x20);
833 if (!cli_session_request(*cli
, &calling
, &called
)) {
834 DEBUG(8, ("cli_session_request failed for %s\n",
836 result
= NT_STATUS_UNSUCCESSFUL
;
841 result
= cli_negprot(*cli
);
843 if (!NT_STATUS_IS_OK(result
)) {
844 DEBUG(1, ("cli_negprot failed: %s\n", nt_errstr(result
)));
848 if (!is_dc_trusted_domain_situation(domain
->name
) &&
849 (*cli
)->protocol
>= PROTOCOL_NT1
&&
850 (*cli
)->capabilities
& CAP_EXTENDED_SECURITY
)
852 ADS_STATUS ads_status
;
854 result
= get_trust_creds(domain
, &machine_password
,
856 &machine_krb5_principal
);
857 if (!NT_STATUS_IS_OK(result
)) {
861 if (lp_security() == SEC_ADS
) {
863 /* Try a krb5 session */
865 (*cli
)->use_kerberos
= True
;
866 DEBUG(5, ("connecting to %s from %s with kerberos principal "
867 "[%s] and realm [%s]\n", controller
, global_myname(),
868 machine_krb5_principal
, domain
->alt_name
));
870 winbindd_set_locator_kdc_envs(domain
);
872 ads_status
= cli_session_setup_spnego(*cli
,
873 machine_krb5_principal
,
878 if (!ADS_ERR_OK(ads_status
)) {
879 DEBUG(4,("failed kerberos session setup with %s\n",
880 ads_errstr(ads_status
)));
883 result
= ads_ntstatus(ads_status
);
884 if (NT_STATUS_IS_OK(result
)) {
885 /* Ensure creds are stored for NTLMSSP authenticated pipe access. */
886 result
= cli_init_creds(*cli
, machine_account
, lp_workgroup(), machine_password
);
887 if (!NT_STATUS_IS_OK(result
)) {
890 goto session_setup_done
;
894 /* Fall back to non-kerberos session setup using NTLMSSP SPNEGO with the machine account. */
895 (*cli
)->use_kerberos
= False
;
897 DEBUG(5, ("connecting to %s from %s with username "
898 "[%s]\\[%s]\n", controller
, global_myname(),
899 lp_workgroup(), machine_account
));
901 ads_status
= cli_session_setup_spnego(*cli
,
906 if (!ADS_ERR_OK(ads_status
)) {
907 DEBUG(4, ("authenticated session setup failed with %s\n",
908 ads_errstr(ads_status
)));
911 result
= ads_ntstatus(ads_status
);
912 if (NT_STATUS_IS_OK(result
)) {
913 /* Ensure creds are stored for NTLMSSP authenticated pipe access. */
914 result
= cli_init_creds(*cli
, machine_account
, lp_workgroup(), machine_password
);
915 if (!NT_STATUS_IS_OK(result
)) {
918 goto session_setup_done
;
922 /* Fall back to non-kerberos session setup with auth_user */
924 (*cli
)->use_kerberos
= False
;
926 cm_get_ipc_userpass(&ipc_username
, &ipc_domain
, &ipc_password
);
928 if ((((*cli
)->sec_mode
& NEGOTIATE_SECURITY_CHALLENGE_RESPONSE
) != 0) &&
929 (strlen(ipc_username
) > 0)) {
931 /* Only try authenticated if we have a username */
933 DEBUG(5, ("connecting to %s from %s with username "
934 "[%s]\\[%s]\n", controller
, global_myname(),
935 ipc_domain
, ipc_username
));
937 if (NT_STATUS_IS_OK(cli_session_setup(
939 ipc_password
, strlen(ipc_password
)+1,
940 ipc_password
, strlen(ipc_password
)+1,
942 /* Successful logon with given username. */
943 result
= cli_init_creds(*cli
, ipc_username
, ipc_domain
, ipc_password
);
944 if (!NT_STATUS_IS_OK(result
)) {
947 goto session_setup_done
;
949 DEBUG(4, ("authenticated session setup with user %s\\%s failed.\n",
950 ipc_domain
, ipc_username
));
956 /* Fall back to anonymous connection, this might fail later */
957 DEBUG(10,("cm_prepare_connection: falling back to anonymous "
958 "connection for DC %s\n",
961 if (NT_STATUS_IS_OK(cli_session_setup(*cli
, "", NULL
, 0,
963 DEBUG(5, ("Connected anonymously\n"));
964 result
= cli_init_creds(*cli
, "", "", "");
965 if (!NT_STATUS_IS_OK(result
)) {
968 goto session_setup_done
;
971 result
= cli_nt_error(*cli
);
973 if (NT_STATUS_IS_OK(result
))
974 result
= NT_STATUS_UNSUCCESSFUL
;
976 /* We can't session setup */
982 /* cache the server name for later connections */
984 saf_store( domain
->name
, (*cli
)->desthost
);
985 if (domain
->alt_name
&& (*cli
)->use_kerberos
) {
986 saf_store( domain
->alt_name
, (*cli
)->desthost
);
989 winbindd_set_locator_kdc_envs(domain
);
991 result
= cli_tcon_andx(*cli
, "IPC$", "IPC", "", 0);
993 if (!NT_STATUS_IS_OK(result
)) {
994 DEBUG(1,("failed tcon_X with %s\n", nt_errstr(result
)));
1001 /* set the domain if empty; needed for schannel connections */
1002 if ( !(*cli
)->domain
[0] ) {
1003 result
= cli_set_domain((*cli
), domain
->name
);
1004 if (!NT_STATUS_IS_OK(result
)) {
1009 result
= NT_STATUS_OK
;
1013 SAFE_FREE(machine_account
);
1014 SAFE_FREE(machine_password
);
1015 SAFE_FREE(machine_krb5_principal
);
1016 SAFE_FREE(ipc_username
);
1017 SAFE_FREE(ipc_domain
);
1018 SAFE_FREE(ipc_password
);
1020 if (!NT_STATUS_IS_OK(result
)) {
1021 winbind_add_failed_connection_entry(domain
, controller
, result
);
1022 if ((*cli
) != NULL
) {
1031 /*******************************************************************
1032 Add a dcname and sockaddr_storage pair to the end of a dc_name_ip
1035 Keeps the list unique by not adding duplicate entries.
1037 @param[in] mem_ctx talloc memory context to allocate from
1038 @param[in] domain_name domain of the DC
1039 @param[in] dcname name of the DC to add to the list
1040 @param[in] pss Internet address and port pair to add to the list
1041 @param[in,out] dcs array of dc_name_ip structures to add to
1042 @param[in,out] num_dcs number of dcs returned in the dcs array
1043 @return true if the list was added to, false otherwise
1044 *******************************************************************/
1046 static bool add_one_dc_unique(TALLOC_CTX
*mem_ctx
, const char *domain_name
,
1047 const char *dcname
, struct sockaddr_storage
*pss
,
1048 struct dc_name_ip
**dcs
, int *num
)
1052 if (!NT_STATUS_IS_OK(check_negative_conn_cache(domain_name
, dcname
))) {
1053 DEBUG(10, ("DC %s was in the negative conn cache\n", dcname
));
1057 /* Make sure there's no duplicates in the list */
1058 for (i
=0; i
<*num
; i
++)
1059 if (sockaddr_equal((struct sockaddr
*)&(*dcs
)[i
].ss
, (struct sockaddr
*)pss
))
1062 *dcs
= TALLOC_REALLOC_ARRAY(mem_ctx
, *dcs
, struct dc_name_ip
, (*num
)+1);
1067 fstrcpy((*dcs
)[*num
].name
, dcname
);
1068 (*dcs
)[*num
].ss
= *pss
;
1073 static bool add_sockaddr_to_array(TALLOC_CTX
*mem_ctx
,
1074 struct sockaddr_storage
*pss
, uint16 port
,
1075 struct sockaddr_storage
**addrs
, int *num
)
1077 *addrs
= TALLOC_REALLOC_ARRAY(mem_ctx
, *addrs
, struct sockaddr_storage
, (*num
)+1);
1079 if (*addrs
== NULL
) {
1084 (*addrs
)[*num
] = *pss
;
1085 set_sockaddr_port((struct sockaddr
*)&(*addrs
)[*num
], port
);
1091 /*******************************************************************
1092 convert an ip to a name
1093 *******************************************************************/
1095 static bool dcip_to_name(TALLOC_CTX
*mem_ctx
,
1096 const struct winbindd_domain
*domain
,
1097 struct sockaddr_storage
*pss
,
1100 struct ip_service ip_list
;
1101 uint32_t nt_version
= NETLOGON_NT_VERSION_1
;
1107 /* For active directory servers, try to get the ldap server name.
1108 None of these failures should be considered critical for now */
1110 if (lp_security() == SEC_ADS
) {
1112 ADS_STATUS ads_status
;
1113 char addr
[INET6_ADDRSTRLEN
];
1115 print_sockaddr(addr
, sizeof(addr
), pss
);
1117 ads
= ads_init(domain
->alt_name
, domain
->name
, addr
);
1118 ads
->auth
.flags
|= ADS_AUTH_NO_BIND
;
1120 ads_status
= ads_connect(ads
);
1121 if (ADS_ERR_OK(ads_status
)) {
1122 /* We got a cldap packet. */
1123 fstrcpy(name
, ads
->config
.ldap_server_name
);
1124 namecache_store(name
, 0x20, 1, &ip_list
);
1126 DEBUG(10,("dcip_to_name: flags = 0x%x\n", (unsigned int)ads
->config
.flags
));
1128 if (domain
->primary
&& (ads
->config
.flags
& NBT_SERVER_KDC
)) {
1129 if (ads_closest_dc(ads
)) {
1130 char *sitename
= sitename_fetch(ads
->config
.realm
);
1132 /* We're going to use this KDC for this realm/domain.
1133 If we are using sites, then force the krb5 libs
1136 create_local_private_krb5_conf_for_domain(domain
->alt_name
,
1142 SAFE_FREE(sitename
);
1144 /* use an off site KDC */
1145 create_local_private_krb5_conf_for_domain(domain
->alt_name
,
1151 winbindd_set_locator_kdc_envs(domain
);
1153 /* Ensure we contact this DC also. */
1154 saf_store( domain
->name
, name
);
1155 saf_store( domain
->alt_name
, name
);
1158 ads_destroy( &ads
);
1162 ads_destroy( &ads
);
1166 /* try GETDC requests next */
1168 if (send_getdc_request(mem_ctx
, winbind_messaging_context(),
1169 pss
, domain
->name
, &domain
->sid
,
1171 const char *dc_name
= NULL
;
1174 for (i
=0; i
<5; i
++) {
1175 if (receive_getdc_response(mem_ctx
, pss
, domain
->name
,
1178 fstrcpy(name
, dc_name
);
1179 namecache_store(name
, 0x20, 1, &ip_list
);
1186 /* try node status request */
1188 if ( name_status_find(domain
->name
, 0x1c, 0x20, pss
, name
) ) {
1189 namecache_store(name
, 0x20, 1, &ip_list
);
1195 /*******************************************************************
1196 Retrieve a list of IP addresses for domain controllers.
1198 The array is sorted in the preferred connection order.
1200 @param[in] mem_ctx talloc memory context to allocate from
1201 @param[in] domain domain to retrieve DCs for
1202 @param[out] dcs array of dcs that will be returned
1203 @param[out] num_dcs number of dcs returned in the dcs array
1205 *******************************************************************/
1207 static bool get_dcs(TALLOC_CTX
*mem_ctx
, struct winbindd_domain
*domain
,
1208 struct dc_name_ip
**dcs
, int *num_dcs
)
1211 struct sockaddr_storage ss
;
1212 struct ip_service
*ip_list
= NULL
;
1213 int iplist_size
= 0;
1216 enum security_types sec
= (enum security_types
)lp_security();
1218 is_our_domain
= strequal(domain
->name
, lp_workgroup());
1220 /* If not our domain, get the preferred DC, by asking our primary DC */
1222 && get_dc_name_via_netlogon(domain
, dcname
, &ss
)
1223 && add_one_dc_unique(mem_ctx
, domain
->name
, dcname
, &ss
, dcs
,
1226 char addr
[INET6_ADDRSTRLEN
];
1227 print_sockaddr(addr
, sizeof(addr
), &ss
);
1228 DEBUG(10, ("Retrieved DC %s at %s via netlogon\n",
1233 if (sec
== SEC_ADS
) {
1234 char *sitename
= NULL
;
1236 /* We need to make sure we know the local site before
1237 doing any DNS queries, as this will restrict the
1238 get_sorted_dc_list() call below to only fetching
1239 DNS records for the correct site. */
1241 /* Find any DC to get the site record.
1242 We deliberately don't care about the
1245 get_dc_name(domain
->name
, domain
->alt_name
, dcname
, &ss
);
1247 sitename
= sitename_fetch(domain
->alt_name
);
1250 /* Do the site-specific AD dns lookup first. */
1251 get_sorted_dc_list(domain
->alt_name
, sitename
, &ip_list
,
1252 &iplist_size
, True
);
1254 /* Add ips to the DC array. We don't look up the name
1255 of the DC in this function, but we fill in the char*
1256 of the ip now to make the failed connection cache
1258 for ( i
=0; i
<iplist_size
; i
++ ) {
1259 char addr
[INET6_ADDRSTRLEN
];
1260 print_sockaddr(addr
, sizeof(addr
),
1262 add_one_dc_unique(mem_ctx
,
1271 SAFE_FREE(sitename
);
1275 /* Now we add DCs from the main AD DNS lookup. */
1276 get_sorted_dc_list(domain
->alt_name
, NULL
, &ip_list
,
1277 &iplist_size
, True
);
1279 for ( i
=0; i
<iplist_size
; i
++ ) {
1280 char addr
[INET6_ADDRSTRLEN
];
1281 print_sockaddr(addr
, sizeof(addr
),
1283 add_one_dc_unique(mem_ctx
,
1295 /* Try standard netbios queries if no ADS */
1296 if (*num_dcs
== 0) {
1297 get_sorted_dc_list(domain
->name
, NULL
, &ip_list
, &iplist_size
,
1300 for ( i
=0; i
<iplist_size
; i
++ ) {
1301 char addr
[INET6_ADDRSTRLEN
];
1302 print_sockaddr(addr
, sizeof(addr
),
1304 add_one_dc_unique(mem_ctx
,
1319 /*******************************************************************
1320 Find and make a connection to a DC in the given domain.
1322 @param[in] mem_ctx talloc memory context to allocate from
1323 @param[in] domain domain to find a dc in
1324 @param[out] dcname NetBIOS or FQDN of DC that's connected to
1325 @param[out] pss DC Internet address and port
1326 @param[out] fd fd of the open socket connected to the newly found dc
1327 @return true when a DC connection is made, false otherwise
1328 *******************************************************************/
1330 static bool find_new_dc(TALLOC_CTX
*mem_ctx
,
1331 struct winbindd_domain
*domain
,
1332 fstring dcname
, struct sockaddr_storage
*pss
, int *fd
)
1334 struct dc_name_ip
*dcs
= NULL
;
1337 const char **dcnames
= NULL
;
1338 int num_dcnames
= 0;
1340 struct sockaddr_storage
*addrs
= NULL
;
1348 if (!get_dcs(mem_ctx
, domain
, &dcs
, &num_dcs
) || (num_dcs
== 0))
1351 for (i
=0; i
<num_dcs
; i
++) {
1353 if (!add_string_to_array(mem_ctx
, dcs
[i
].name
,
1354 &dcnames
, &num_dcnames
)) {
1357 if (!add_sockaddr_to_array(mem_ctx
, &dcs
[i
].ss
, 445,
1358 &addrs
, &num_addrs
)) {
1362 if (!add_string_to_array(mem_ctx
, dcs
[i
].name
,
1363 &dcnames
, &num_dcnames
)) {
1366 if (!add_sockaddr_to_array(mem_ctx
, &dcs
[i
].ss
, 139,
1367 &addrs
, &num_addrs
)) {
1372 if ((num_dcnames
== 0) || (num_dcnames
!= num_addrs
))
1375 if ((addrs
== NULL
) || (dcnames
== NULL
))
1378 /* 5 second timeout. */
1379 if (!open_any_socket_out(addrs
, num_addrs
, 5000, &fd_index
, fd
) ) {
1380 for (i
=0; i
<num_dcs
; i
++) {
1381 char ab
[INET6_ADDRSTRLEN
];
1382 print_sockaddr(ab
, sizeof(ab
), &dcs
[i
].ss
);
1383 DEBUG(10, ("find_new_dc: open_any_socket_out failed for "
1384 "domain %s address %s. Error was %s\n",
1385 domain
->name
, ab
, strerror(errno
) ));
1386 winbind_add_failed_connection_entry(domain
,
1387 dcs
[i
].name
, NT_STATUS_UNSUCCESSFUL
);
1392 *pss
= addrs
[fd_index
];
1394 if (*dcnames
[fd_index
] != '\0' && !is_ipaddress(dcnames
[fd_index
])) {
1395 /* Ok, we've got a name for the DC */
1396 fstrcpy(dcname
, dcnames
[fd_index
]);
1400 /* Try to figure out the name */
1401 if (dcip_to_name(mem_ctx
, domain
, pss
, dcname
)) {
1405 /* We can not continue without the DC's name */
1406 winbind_add_failed_connection_entry(domain
, dcs
[fd_index
].name
,
1407 NT_STATUS_UNSUCCESSFUL
);
1409 /* Throw away all arrays as we're doing this again. */
1413 TALLOC_FREE(dcnames
);
1425 static NTSTATUS
cm_open_connection(struct winbindd_domain
*domain
,
1426 struct winbindd_cm_conn
*new_conn
)
1428 TALLOC_CTX
*mem_ctx
;
1430 char *saf_servername
= saf_fetch( domain
->name
);
1433 if ((mem_ctx
= talloc_init("cm_open_connection")) == NULL
) {
1434 SAFE_FREE(saf_servername
);
1435 set_domain_offline(domain
);
1436 return NT_STATUS_NO_MEMORY
;
1439 /* we have to check the server affinity cache here since
1440 later we selecte a DC based on response time and not preference */
1442 /* Check the negative connection cache
1443 before talking to it. It going down may have
1444 triggered the reconnection. */
1446 if ( saf_servername
&& NT_STATUS_IS_OK(check_negative_conn_cache( domain
->name
, saf_servername
))) {
1448 DEBUG(10,("cm_open_connection: saf_servername is '%s' for domain %s\n",
1449 saf_servername
, domain
->name
));
1451 /* convert an ip address to a name */
1452 if (is_ipaddress( saf_servername
) ) {
1454 struct sockaddr_storage ss
;
1456 if (!interpret_string_addr(&ss
, saf_servername
,
1458 return NT_STATUS_UNSUCCESSFUL
;
1460 if (dcip_to_name(mem_ctx
, domain
, &ss
, saf_name
)) {
1461 fstrcpy( domain
->dcname
, saf_name
);
1463 winbind_add_failed_connection_entry(
1464 domain
, saf_servername
,
1465 NT_STATUS_UNSUCCESSFUL
);
1468 fstrcpy( domain
->dcname
, saf_servername
);
1471 SAFE_FREE( saf_servername
);
1474 for (retries
= 0; retries
< 3; retries
++) {
1478 result
= NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND
;
1480 DEBUG(10,("cm_open_connection: dcname is '%s' for domain %s\n",
1481 domain
->dcname
, domain
->name
));
1484 && NT_STATUS_IS_OK(check_negative_conn_cache( domain
->name
, domain
->dcname
))
1485 && (resolve_name(domain
->dcname
, &domain
->dcaddr
, 0x20)))
1487 struct sockaddr_storage
*addrs
= NULL
;
1491 if (!add_sockaddr_to_array(mem_ctx
, &domain
->dcaddr
, 445, &addrs
, &num_addrs
)) {
1492 set_domain_offline(domain
);
1493 talloc_destroy(mem_ctx
);
1494 return NT_STATUS_NO_MEMORY
;
1496 if (!add_sockaddr_to_array(mem_ctx
, &domain
->dcaddr
, 139, &addrs
, &num_addrs
)) {
1497 set_domain_offline(domain
);
1498 talloc_destroy(mem_ctx
);
1499 return NT_STATUS_NO_MEMORY
;
1502 /* 5 second timeout. */
1503 if (!open_any_socket_out(addrs
, num_addrs
, 5000, &dummy
, &fd
)) {
1509 && !find_new_dc(mem_ctx
, domain
, domain
->dcname
, &domain
->dcaddr
, &fd
))
1511 /* This is the one place where we will
1512 set the global winbindd offline state
1513 to true, if a "WINBINDD_OFFLINE" entry
1514 is found in the winbindd cache. */
1515 set_global_winbindd_state_offline();
1519 new_conn
->cli
= NULL
;
1521 result
= cm_prepare_connection(domain
, fd
, domain
->dcname
,
1522 &new_conn
->cli
, &retry
);
1528 if (NT_STATUS_IS_OK(result
)) {
1530 winbindd_set_locator_kdc_envs(domain
);
1532 if (domain
->online
== False
) {
1533 /* We're changing state from offline to online. */
1534 set_global_winbindd_state_online();
1536 set_domain_online(domain
);
1538 /* Ensure we setup the retry handler. */
1539 set_domain_offline(domain
);
1542 talloc_destroy(mem_ctx
);
1546 /* Close down all open pipes on a connection. */
1548 void invalidate_cm_connection(struct winbindd_cm_conn
*conn
)
1550 /* We're closing down a possibly dead
1551 connection. Don't have impossibly long (10s) timeouts. */
1554 cli_set_timeout(conn
->cli
, 1000); /* 1 second. */
1557 if (conn
->samr_pipe
!= NULL
) {
1558 TALLOC_FREE(conn
->samr_pipe
);
1559 /* Ok, it must be dead. Drop timeout to 0.5 sec. */
1561 cli_set_timeout(conn
->cli
, 500);
1565 if (conn
->lsa_pipe
!= NULL
) {
1566 TALLOC_FREE(conn
->lsa_pipe
);
1567 /* Ok, it must be dead. Drop timeout to 0.5 sec. */
1569 cli_set_timeout(conn
->cli
, 500);
1573 if (conn
->lsa_pipe_tcp
!= NULL
) {
1574 TALLOC_FREE(conn
->lsa_pipe_tcp
);
1575 /* Ok, it must be dead. Drop timeout to 0.5 sec. */
1577 cli_set_timeout(conn
->cli
, 500);
1581 if (conn
->netlogon_pipe
!= NULL
) {
1582 TALLOC_FREE(conn
->netlogon_pipe
);
1583 /* Ok, it must be dead. Drop timeout to 0.5 sec. */
1585 cli_set_timeout(conn
->cli
, 500);
1590 cli_shutdown(conn
->cli
);
1596 void close_conns_after_fork(void)
1598 struct winbindd_domain
*domain
;
1600 for (domain
= domain_list(); domain
; domain
= domain
->next
) {
1601 if (domain
->conn
.cli
== NULL
)
1604 if (domain
->conn
.cli
->fd
== -1)
1607 close(domain
->conn
.cli
->fd
);
1608 domain
->conn
.cli
->fd
= -1;
1612 static bool connection_ok(struct winbindd_domain
*domain
)
1616 ok
= cli_state_is_connected(domain
->conn
.cli
);
1618 DEBUG(3, ("connection_ok: Connection to %s for domain %s is not connected\n",
1619 domain
->dcname
, domain
->name
));
1623 if (domain
->online
== False
) {
1624 DEBUG(3, ("connection_ok: Domain %s is offline\n", domain
->name
));
1631 /* Initialize a new connection up to the RPC BIND.
1632 Bypass online status check so always does network calls. */
1634 static NTSTATUS
init_dc_connection_network(struct winbindd_domain
*domain
)
1638 /* Internal connections never use the network. */
1639 if (domain
->internal
) {
1640 domain
->initialized
= True
;
1641 return NT_STATUS_OK
;
1644 if (!winbindd_can_contact_domain(domain
)) {
1645 invalidate_cm_connection(&domain
->conn
);
1646 domain
->initialized
= True
;
1647 return NT_STATUS_OK
;
1650 if (connection_ok(domain
)) {
1651 if (!domain
->initialized
) {
1652 set_dc_type_and_flags(domain
);
1654 return NT_STATUS_OK
;
1657 invalidate_cm_connection(&domain
->conn
);
1659 result
= cm_open_connection(domain
, &domain
->conn
);
1661 if (NT_STATUS_IS_OK(result
) && !domain
->initialized
) {
1662 set_dc_type_and_flags(domain
);
1668 NTSTATUS
init_dc_connection(struct winbindd_domain
*domain
)
1670 if (domain
->initialized
&& !domain
->online
) {
1671 /* We check for online status elsewhere. */
1672 return NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND
;
1675 return init_dc_connection_network(domain
);
1678 static NTSTATUS
init_dc_connection_rpc(struct winbindd_domain
*domain
)
1682 status
= init_dc_connection(domain
);
1683 if (!NT_STATUS_IS_OK(status
)) {
1687 if (!domain
->internal
&& domain
->conn
.cli
== NULL
) {
1688 /* happens for trusted domains without inbound trust */
1689 return NT_STATUS_TRUSTED_DOMAIN_FAILURE
;
1692 return NT_STATUS_OK
;
1695 /******************************************************************************
1696 Set the trust flags (direction and forest location) for a domain
1697 ******************************************************************************/
1699 static bool set_dc_type_and_flags_trustinfo( struct winbindd_domain
*domain
)
1701 struct winbindd_domain
*our_domain
;
1702 NTSTATUS result
= NT_STATUS_UNSUCCESSFUL
;
1703 struct netr_DomainTrustList trusts
;
1705 uint32 flags
= (NETR_TRUST_FLAG_IN_FOREST
|
1706 NETR_TRUST_FLAG_OUTBOUND
|
1707 NETR_TRUST_FLAG_INBOUND
);
1708 struct rpc_pipe_client
*cli
;
1709 TALLOC_CTX
*mem_ctx
= NULL
;
1711 DEBUG(5, ("set_dc_type_and_flags_trustinfo: domain %s\n", domain
->name
));
1713 /* Our primary domain doesn't need to worry about trust flags.
1714 Force it to go through the network setup */
1715 if ( domain
->primary
) {
1719 our_domain
= find_our_domain();
1721 if ( !connection_ok(our_domain
) ) {
1722 DEBUG(3,("set_dc_type_and_flags_trustinfo: No connection to our domain!\n"));
1726 /* This won't work unless our domain is AD */
1728 if ( !our_domain
->active_directory
) {
1732 /* Use DsEnumerateDomainTrusts to get us the trust direction
1735 result
= cm_connect_netlogon(our_domain
, &cli
);
1737 if (!NT_STATUS_IS_OK(result
)) {
1738 DEBUG(5, ("set_dc_type_and_flags_trustinfo: Could not open "
1739 "a connection to %s for PIPE_NETLOGON (%s)\n",
1740 domain
->name
, nt_errstr(result
)));
1744 if ( (mem_ctx
= talloc_init("set_dc_type_and_flags_trustinfo")) == NULL
) {
1745 DEBUG(0,("set_dc_type_and_flags_trustinfo: talloc_init() failed!\n"));
1749 result
= rpccli_netr_DsrEnumerateDomainTrusts(cli
, mem_ctx
,
1754 if (!NT_STATUS_IS_OK(result
)) {
1755 DEBUG(0,("set_dc_type_and_flags_trustinfo: "
1756 "failed to query trusted domain list: %s\n",
1757 nt_errstr(result
)));
1758 talloc_destroy(mem_ctx
);
1762 /* Now find the domain name and get the flags */
1764 for ( i
=0; i
<trusts
.count
; i
++ ) {
1765 if ( strequal( domain
->name
, trusts
.array
[i
].netbios_name
) ) {
1766 domain
->domain_flags
= trusts
.array
[i
].trust_flags
;
1767 domain
->domain_type
= trusts
.array
[i
].trust_type
;
1768 domain
->domain_trust_attribs
= trusts
.array
[i
].trust_attributes
;
1770 if ( domain
->domain_type
== NETR_TRUST_TYPE_UPLEVEL
)
1771 domain
->active_directory
= True
;
1773 /* This flag is only set if the domain is *our*
1774 primary domain and the primary domain is in
1777 domain
->native_mode
= (domain
->domain_flags
& NETR_TRUST_FLAG_NATIVE
);
1779 DEBUG(5, ("set_dc_type_and_flags_trustinfo: domain %s is %sin "
1780 "native mode.\n", domain
->name
,
1781 domain
->native_mode
? "" : "NOT "));
1783 DEBUG(5,("set_dc_type_and_flags_trustinfo: domain %s is %s"
1784 "running active directory.\n", domain
->name
,
1785 domain
->active_directory
? "" : "NOT "));
1788 domain
->initialized
= True
;
1794 talloc_destroy( mem_ctx
);
1796 return domain
->initialized
;
1799 /******************************************************************************
1800 We can 'sense' certain things about the DC by it's replies to certain
1803 This tells us if this particular remote server is Active Directory, and if it
1805 ******************************************************************************/
1807 static void set_dc_type_and_flags_connect( struct winbindd_domain
*domain
)
1811 TALLOC_CTX
*mem_ctx
= NULL
;
1812 struct rpc_pipe_client
*cli
= NULL
;
1813 struct policy_handle pol
;
1814 union dssetup_DsRoleInfo info
;
1815 union lsa_PolicyInformation
*lsa_info
= NULL
;
1817 if (!connection_ok(domain
)) {
1821 mem_ctx
= talloc_init("set_dc_type_and_flags on domain %s\n",
1824 DEBUG(1, ("set_dc_type_and_flags_connect: talloc_init() failed\n"));
1828 DEBUG(5, ("set_dc_type_and_flags_connect: domain %s\n", domain
->name
));
1830 result
= cli_rpc_pipe_open_noauth(domain
->conn
.cli
,
1831 &ndr_table_dssetup
.syntax_id
,
1834 if (!NT_STATUS_IS_OK(result
)) {
1835 DEBUG(5, ("set_dc_type_and_flags_connect: Could not bind to "
1836 "PI_DSSETUP on domain %s: (%s)\n",
1837 domain
->name
, nt_errstr(result
)));
1839 /* if this is just a non-AD domain we need to continue
1840 * identifying so that we can in the end return with
1841 * domain->initialized = True - gd */
1846 result
= rpccli_dssetup_DsRoleGetPrimaryDomainInformation(cli
, mem_ctx
,
1847 DS_ROLE_BASIC_INFORMATION
,
1852 if (!NT_STATUS_IS_OK(result
)) {
1853 DEBUG(5, ("set_dc_type_and_flags_connect: rpccli_ds_getprimarydominfo "
1854 "on domain %s failed: (%s)\n",
1855 domain
->name
, nt_errstr(result
)));
1857 /* older samba3 DCs will return DCERPC_FAULT_OP_RNG_ERROR for
1858 * every opcode on the DSSETUP pipe, continue with
1859 * no_dssetup mode here as well to get domain->initialized
1862 if (NT_STATUS_V(result
) == DCERPC_FAULT_OP_RNG_ERROR
) {
1866 TALLOC_FREE(mem_ctx
);
1870 if ((info
.basic
.flags
& DS_ROLE_PRIMARY_DS_RUNNING
) &&
1871 !(info
.basic
.flags
& DS_ROLE_PRIMARY_DS_MIXED_MODE
)) {
1872 domain
->native_mode
= True
;
1874 domain
->native_mode
= False
;
1878 result
= cli_rpc_pipe_open_noauth(domain
->conn
.cli
,
1879 &ndr_table_lsarpc
.syntax_id
, &cli
);
1881 if (!NT_STATUS_IS_OK(result
)) {
1882 DEBUG(5, ("set_dc_type_and_flags_connect: Could not bind to "
1883 "PI_LSARPC on domain %s: (%s)\n",
1884 domain
->name
, nt_errstr(result
)));
1886 TALLOC_FREE(mem_ctx
);
1890 result
= rpccli_lsa_open_policy2(cli
, mem_ctx
, True
,
1891 SEC_FLAG_MAXIMUM_ALLOWED
, &pol
);
1893 if (NT_STATUS_IS_OK(result
)) {
1894 /* This particular query is exactly what Win2k clients use
1895 to determine that the DC is active directory */
1896 result
= rpccli_lsa_QueryInfoPolicy2(cli
, mem_ctx
,
1898 LSA_POLICY_INFO_DNS
,
1902 if (NT_STATUS_IS_OK(result
)) {
1903 domain
->active_directory
= True
;
1905 if (lsa_info
->dns
.name
.string
) {
1906 fstrcpy(domain
->name
, lsa_info
->dns
.name
.string
);
1909 if (lsa_info
->dns
.dns_domain
.string
) {
1910 fstrcpy(domain
->alt_name
,
1911 lsa_info
->dns
.dns_domain
.string
);
1914 /* See if we can set some domain trust flags about
1917 if (lsa_info
->dns
.dns_forest
.string
) {
1918 fstrcpy(domain
->forest_name
,
1919 lsa_info
->dns
.dns_forest
.string
);
1921 if (strequal(domain
->forest_name
, domain
->alt_name
)) {
1922 domain
->domain_flags
|= NETR_TRUST_FLAG_TREEROOT
;
1926 if (lsa_info
->dns
.sid
) {
1927 sid_copy(&domain
->sid
, lsa_info
->dns
.sid
);
1930 domain
->active_directory
= False
;
1932 result
= rpccli_lsa_open_policy(cli
, mem_ctx
, True
,
1933 SEC_FLAG_MAXIMUM_ALLOWED
,
1936 if (!NT_STATUS_IS_OK(result
)) {
1940 result
= rpccli_lsa_QueryInfoPolicy(cli
, mem_ctx
,
1942 LSA_POLICY_INFO_ACCOUNT_DOMAIN
,
1945 if (NT_STATUS_IS_OK(result
)) {
1947 if (lsa_info
->account_domain
.name
.string
) {
1948 fstrcpy(domain
->name
,
1949 lsa_info
->account_domain
.name
.string
);
1952 if (lsa_info
->account_domain
.sid
) {
1953 sid_copy(&domain
->sid
, lsa_info
->account_domain
.sid
);
1959 DEBUG(5, ("set_dc_type_and_flags_connect: domain %s is %sin native mode.\n",
1960 domain
->name
, domain
->native_mode
? "" : "NOT "));
1962 DEBUG(5,("set_dc_type_and_flags_connect: domain %s is %srunning active directory.\n",
1963 domain
->name
, domain
->active_directory
? "" : "NOT "));
1965 domain
->can_do_ncacn_ip_tcp
= domain
->active_directory
;
1969 TALLOC_FREE(mem_ctx
);
1971 domain
->initialized
= True
;
1974 /**********************************************************************
1975 Set the domain_flags (trust attributes, domain operating modes, etc...
1976 ***********************************************************************/
1978 static void set_dc_type_and_flags( struct winbindd_domain
*domain
)
1980 /* we always have to contact our primary domain */
1982 if ( domain
->primary
) {
1983 DEBUG(10,("set_dc_type_and_flags: setting up flags for "
1984 "primary domain\n"));
1985 set_dc_type_and_flags_connect( domain
);
1989 /* Use our DC to get the information if possible */
1991 if ( !set_dc_type_and_flags_trustinfo( domain
) ) {
1992 /* Otherwise, fallback to contacting the
1994 set_dc_type_and_flags_connect( domain
);
2002 /**********************************************************************
2003 ***********************************************************************/
2005 static bool cm_get_schannel_dcinfo(struct winbindd_domain
*domain
,
2006 struct dcinfo
**ppdc
)
2009 struct rpc_pipe_client
*netlogon_pipe
;
2011 if (lp_client_schannel() == False
) {
2015 result
= cm_connect_netlogon(domain
, &netlogon_pipe
);
2016 if (!NT_STATUS_IS_OK(result
)) {
2020 /* Return a pointer to the struct dcinfo from the
2023 if (!domain
->conn
.netlogon_pipe
->dc
) {
2027 *ppdc
= domain
->conn
.netlogon_pipe
->dc
;
2031 NTSTATUS
cm_connect_sam(struct winbindd_domain
*domain
, TALLOC_CTX
*mem_ctx
,
2032 struct rpc_pipe_client
**cli
, struct policy_handle
*sam_handle
)
2034 struct winbindd_cm_conn
*conn
;
2035 NTSTATUS result
= NT_STATUS_UNSUCCESSFUL
;
2036 struct dcinfo
*p_dcinfo
;
2037 char *machine_password
= NULL
;
2038 char *machine_account
= NULL
;
2039 char *domain_name
= NULL
;
2041 result
= init_dc_connection_rpc(domain
);
2042 if (!NT_STATUS_IS_OK(result
)) {
2046 conn
= &domain
->conn
;
2048 if (rpccli_is_connected(conn
->samr_pipe
)) {
2052 TALLOC_FREE(conn
->samr_pipe
);
2055 * No SAMR pipe yet. Attempt to get an NTLMSSP SPNEGO authenticated
2056 * sign and sealed pipe using the machine account password by
2057 * preference. If we can't - try schannel, if that fails, try
2061 if ((conn
->cli
->user_name
[0] == '\0') ||
2062 (conn
->cli
->domain
[0] == '\0') ||
2063 (conn
->cli
->password
== NULL
|| conn
->cli
->password
[0] == '\0'))
2065 result
= get_trust_creds(domain
, &machine_password
,
2066 &machine_account
, NULL
);
2067 if (!NT_STATUS_IS_OK(result
)) {
2068 DEBUG(10, ("cm_connect_sam: No no user available for "
2069 "domain %s, trying schannel\n", conn
->cli
->domain
));
2072 domain_name
= domain
->name
;
2074 machine_password
= SMB_STRDUP(conn
->cli
->password
);
2075 machine_account
= SMB_STRDUP(conn
->cli
->user_name
);
2076 domain_name
= conn
->cli
->domain
;
2079 if (!machine_password
|| !machine_account
) {
2080 result
= NT_STATUS_NO_MEMORY
;
2084 /* We have an authenticated connection. Use a NTLMSSP SPNEGO
2085 authenticated SAMR pipe with sign & seal. */
2086 result
= cli_rpc_pipe_open_spnego_ntlmssp(conn
->cli
,
2087 &ndr_table_samr
.syntax_id
,
2089 PIPE_AUTH_LEVEL_PRIVACY
,
2095 if (!NT_STATUS_IS_OK(result
)) {
2096 DEBUG(10,("cm_connect_sam: failed to connect to SAMR "
2097 "pipe for domain %s using NTLMSSP "
2098 "authenticated pipe: user %s\\%s. Error was "
2099 "%s\n", domain
->name
, domain_name
,
2100 machine_account
, nt_errstr(result
)));
2104 DEBUG(10,("cm_connect_sam: connected to SAMR pipe for "
2105 "domain %s using NTLMSSP authenticated "
2106 "pipe: user %s\\%s\n", domain
->name
,
2107 domain_name
, machine_account
));
2109 result
= rpccli_samr_Connect2(conn
->samr_pipe
, mem_ctx
,
2110 conn
->samr_pipe
->desthost
,
2111 SEC_FLAG_MAXIMUM_ALLOWED
,
2112 &conn
->sam_connect_handle
);
2113 if (NT_STATUS_IS_OK(result
)) {
2116 DEBUG(10,("cm_connect_sam: ntlmssp-sealed rpccli_samr_Connect2 "
2117 "failed for domain %s, error was %s. Trying schannel\n",
2118 domain
->name
, nt_errstr(result
) ));
2119 TALLOC_FREE(conn
->samr_pipe
);
2123 /* Fall back to schannel if it's a W2K pre-SP1 box. */
2125 if (!cm_get_schannel_dcinfo(domain
, &p_dcinfo
)) {
2126 /* If this call fails - conn->cli can now be NULL ! */
2127 DEBUG(10, ("cm_connect_sam: Could not get schannel auth info "
2128 "for domain %s, trying anon\n", domain
->name
));
2131 result
= cli_rpc_pipe_open_schannel_with_key
2132 (conn
->cli
, &ndr_table_samr
.syntax_id
, NCACN_NP
,
2133 PIPE_AUTH_LEVEL_PRIVACY
,
2134 domain
->name
, p_dcinfo
, &conn
->samr_pipe
);
2136 if (!NT_STATUS_IS_OK(result
)) {
2137 DEBUG(10,("cm_connect_sam: failed to connect to SAMR pipe for "
2138 "domain %s using schannel. Error was %s\n",
2139 domain
->name
, nt_errstr(result
) ));
2142 DEBUG(10,("cm_connect_sam: connected to SAMR pipe for domain %s using "
2143 "schannel.\n", domain
->name
));
2145 result
= rpccli_samr_Connect2(conn
->samr_pipe
, mem_ctx
,
2146 conn
->samr_pipe
->desthost
,
2147 SEC_FLAG_MAXIMUM_ALLOWED
,
2148 &conn
->sam_connect_handle
);
2149 if (NT_STATUS_IS_OK(result
)) {
2152 DEBUG(10,("cm_connect_sam: schannel-sealed rpccli_samr_Connect2 failed "
2153 "for domain %s, error was %s. Trying anonymous\n",
2154 domain
->name
, nt_errstr(result
) ));
2155 TALLOC_FREE(conn
->samr_pipe
);
2159 /* Finally fall back to anonymous. */
2160 result
= cli_rpc_pipe_open_noauth(conn
->cli
, &ndr_table_samr
.syntax_id
,
2163 if (!NT_STATUS_IS_OK(result
)) {
2167 result
= rpccli_samr_Connect2(conn
->samr_pipe
, mem_ctx
,
2168 conn
->samr_pipe
->desthost
,
2169 SEC_FLAG_MAXIMUM_ALLOWED
,
2170 &conn
->sam_connect_handle
);
2171 if (!NT_STATUS_IS_OK(result
)) {
2172 DEBUG(10,("cm_connect_sam: rpccli_samr_Connect2 failed "
2173 "for domain %s Error was %s\n",
2174 domain
->name
, nt_errstr(result
) ));
2179 result
= rpccli_samr_OpenDomain(conn
->samr_pipe
,
2181 &conn
->sam_connect_handle
,
2182 SEC_FLAG_MAXIMUM_ALLOWED
,
2184 &conn
->sam_domain_handle
);
2188 if (NT_STATUS_EQUAL(result
, NT_STATUS_ACCESS_DENIED
)) {
2190 * if we got access denied, we might just have no access rights
2191 * to talk to the remote samr server server (e.g. when we are a
2192 * PDC and we are connecting a w2k8 pdc via an interdomain
2193 * trust). In that case do not invalidate the whole connection
2196 TALLOC_FREE(conn
->samr_pipe
);
2197 ZERO_STRUCT(conn
->sam_domain_handle
);
2199 } else if (!NT_STATUS_IS_OK(result
)) {
2200 invalidate_cm_connection(conn
);
2204 *cli
= conn
->samr_pipe
;
2205 *sam_handle
= conn
->sam_domain_handle
;
2206 SAFE_FREE(machine_password
);
2207 SAFE_FREE(machine_account
);
2211 /**********************************************************************
2212 open an schanneld ncacn_ip_tcp connection to LSA
2213 ***********************************************************************/
2215 NTSTATUS
cm_connect_lsa_tcp(struct winbindd_domain
*domain
,
2216 TALLOC_CTX
*mem_ctx
,
2217 struct rpc_pipe_client
**cli
)
2219 struct winbindd_cm_conn
*conn
;
2220 struct dcinfo
*dcinfo
;
2223 DEBUG(10,("cm_connect_lsa_tcp\n"));
2225 status
= init_dc_connection_rpc(domain
);
2226 if (!NT_STATUS_IS_OK(status
)) {
2230 conn
= &domain
->conn
;
2232 if (conn
->lsa_pipe_tcp
&&
2233 conn
->lsa_pipe_tcp
->transport
->transport
== NCACN_IP_TCP
&&
2234 conn
->lsa_pipe_tcp
->auth
->auth_level
== PIPE_AUTH_LEVEL_PRIVACY
&&
2235 rpccli_is_connected(conn
->lsa_pipe_tcp
)) {
2239 TALLOC_FREE(conn
->lsa_pipe_tcp
);
2241 if (!cm_get_schannel_dcinfo(domain
, &dcinfo
)) {
2242 status
= NT_STATUS_CANT_ACCESS_DOMAIN_INFO
;
2246 status
= cli_rpc_pipe_open_schannel_with_key(conn
->cli
,
2247 &ndr_table_lsarpc
.syntax_id
,
2249 PIPE_AUTH_LEVEL_PRIVACY
,
2252 &conn
->lsa_pipe_tcp
);
2253 if (!NT_STATUS_IS_OK(status
)) {
2254 DEBUG(10,("cli_rpc_pipe_open_schannel_with_key failed: %s\n",
2255 nt_errstr(status
)));
2260 if (!NT_STATUS_IS_OK(status
)) {
2261 TALLOC_FREE(conn
->lsa_pipe_tcp
);
2265 *cli
= conn
->lsa_pipe_tcp
;
2270 NTSTATUS
cm_connect_lsa(struct winbindd_domain
*domain
, TALLOC_CTX
*mem_ctx
,
2271 struct rpc_pipe_client
**cli
, struct policy_handle
*lsa_policy
)
2273 struct winbindd_cm_conn
*conn
;
2274 NTSTATUS result
= NT_STATUS_UNSUCCESSFUL
;
2275 struct dcinfo
*p_dcinfo
;
2277 result
= init_dc_connection_rpc(domain
);
2278 if (!NT_STATUS_IS_OK(result
))
2281 conn
= &domain
->conn
;
2283 if (rpccli_is_connected(conn
->lsa_pipe
)) {
2287 TALLOC_FREE(conn
->lsa_pipe
);
2289 if ((conn
->cli
->user_name
[0] == '\0') ||
2290 (conn
->cli
->domain
[0] == '\0') ||
2291 (conn
->cli
->password
== NULL
|| conn
->cli
->password
[0] == '\0')) {
2292 DEBUG(10, ("cm_connect_lsa: No no user available for "
2293 "domain %s, trying schannel\n", conn
->cli
->domain
));
2297 /* We have an authenticated connection. Use a NTLMSSP SPNEGO
2298 * authenticated LSA pipe with sign & seal. */
2299 result
= cli_rpc_pipe_open_spnego_ntlmssp
2300 (conn
->cli
, &ndr_table_lsarpc
.syntax_id
, NCACN_NP
,
2301 PIPE_AUTH_LEVEL_PRIVACY
,
2302 conn
->cli
->domain
, conn
->cli
->user_name
, conn
->cli
->password
,
2305 if (!NT_STATUS_IS_OK(result
)) {
2306 DEBUG(10,("cm_connect_lsa: failed to connect to LSA pipe for "
2307 "domain %s using NTLMSSP authenticated pipe: user "
2308 "%s\\%s. Error was %s. Trying schannel.\n",
2309 domain
->name
, conn
->cli
->domain
,
2310 conn
->cli
->user_name
, nt_errstr(result
)));
2314 DEBUG(10,("cm_connect_lsa: connected to LSA pipe for domain %s using "
2315 "NTLMSSP authenticated pipe: user %s\\%s\n",
2316 domain
->name
, conn
->cli
->domain
, conn
->cli
->user_name
));
2318 result
= rpccli_lsa_open_policy(conn
->lsa_pipe
, mem_ctx
, True
,
2319 SEC_FLAG_MAXIMUM_ALLOWED
,
2321 if (NT_STATUS_IS_OK(result
)) {
2325 DEBUG(10,("cm_connect_lsa: rpccli_lsa_open_policy failed, trying "
2328 TALLOC_FREE(conn
->lsa_pipe
);
2332 /* Fall back to schannel if it's a W2K pre-SP1 box. */
2334 if (!cm_get_schannel_dcinfo(domain
, &p_dcinfo
)) {
2335 /* If this call fails - conn->cli can now be NULL ! */
2336 DEBUG(10, ("cm_connect_lsa: Could not get schannel auth info "
2337 "for domain %s, trying anon\n", domain
->name
));
2340 result
= cli_rpc_pipe_open_schannel_with_key
2341 (conn
->cli
, &ndr_table_lsarpc
.syntax_id
, NCACN_NP
,
2342 PIPE_AUTH_LEVEL_PRIVACY
,
2343 domain
->name
, p_dcinfo
, &conn
->lsa_pipe
);
2345 if (!NT_STATUS_IS_OK(result
)) {
2346 DEBUG(10,("cm_connect_lsa: failed to connect to LSA pipe for "
2347 "domain %s using schannel. Error was %s\n",
2348 domain
->name
, nt_errstr(result
) ));
2351 DEBUG(10,("cm_connect_lsa: connected to LSA pipe for domain %s using "
2352 "schannel.\n", domain
->name
));
2354 result
= rpccli_lsa_open_policy(conn
->lsa_pipe
, mem_ctx
, True
,
2355 SEC_FLAG_MAXIMUM_ALLOWED
,
2357 if (NT_STATUS_IS_OK(result
)) {
2361 DEBUG(10,("cm_connect_lsa: rpccli_lsa_open_policy failed, trying "
2364 TALLOC_FREE(conn
->lsa_pipe
);
2368 result
= cli_rpc_pipe_open_noauth(conn
->cli
,
2369 &ndr_table_lsarpc
.syntax_id
,
2371 if (!NT_STATUS_IS_OK(result
)) {
2372 result
= NT_STATUS_PIPE_NOT_AVAILABLE
;
2376 result
= rpccli_lsa_open_policy(conn
->lsa_pipe
, mem_ctx
, True
,
2377 SEC_FLAG_MAXIMUM_ALLOWED
,
2380 if (!NT_STATUS_IS_OK(result
)) {
2381 invalidate_cm_connection(conn
);
2385 *cli
= conn
->lsa_pipe
;
2386 *lsa_policy
= conn
->lsa_policy
;
2390 /****************************************************************************
2391 Open the netlogon pipe to this DC. Use schannel if specified in client conf.
2392 session key stored in conn->netlogon_pipe->dc->sess_key.
2393 ****************************************************************************/
2395 NTSTATUS
cm_connect_netlogon(struct winbindd_domain
*domain
,
2396 struct rpc_pipe_client
**cli
)
2398 struct winbindd_cm_conn
*conn
;
2401 uint32_t neg_flags
= NETLOGON_NEG_AUTH2_ADS_FLAGS
;
2403 uint32 sec_chan_type
;
2404 const char *account_name
;
2405 struct rpc_pipe_client
*netlogon_pipe
= NULL
;
2409 result
= init_dc_connection_rpc(domain
);
2410 if (!NT_STATUS_IS_OK(result
)) {
2414 conn
= &domain
->conn
;
2416 if (rpccli_is_connected(conn
->netlogon_pipe
)) {
2417 *cli
= conn
->netlogon_pipe
;
2418 return NT_STATUS_OK
;
2421 TALLOC_FREE(conn
->netlogon_pipe
);
2423 result
= cli_rpc_pipe_open_noauth(conn
->cli
,
2424 &ndr_table_netlogon
.syntax_id
,
2426 if (!NT_STATUS_IS_OK(result
)) {
2430 if ((!IS_DC
) && (!domain
->primary
)) {
2431 /* Clear the schannel request bit and drop down */
2432 neg_flags
&= ~NETLOGON_NEG_SCHANNEL
;
2436 if (lp_client_schannel() != False
) {
2437 neg_flags
|= NETLOGON_NEG_SCHANNEL
;
2440 if (!get_trust_pw_hash(domain
->name
, mach_pwd
, &account_name
,
2443 TALLOC_FREE(netlogon_pipe
);
2444 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO
;
2447 result
= rpccli_netlogon_setup_creds(
2449 domain
->dcname
, /* server name. */
2450 domain
->name
, /* domain name */
2451 global_myname(), /* client name */
2452 account_name
, /* machine account */
2453 mach_pwd
, /* machine password */
2454 sec_chan_type
, /* from get_trust_pw */
2457 if (!NT_STATUS_IS_OK(result
)) {
2458 TALLOC_FREE(netlogon_pipe
);
2462 if ((lp_client_schannel() == True
) &&
2463 ((neg_flags
& NETLOGON_NEG_SCHANNEL
) == 0)) {
2464 DEBUG(3, ("Server did not offer schannel\n"));
2465 TALLOC_FREE(netlogon_pipe
);
2466 return NT_STATUS_ACCESS_DENIED
;
2470 if ((lp_client_schannel() == False
) ||
2471 ((neg_flags
& NETLOGON_NEG_SCHANNEL
) == 0)) {
2473 * NetSamLogonEx only works for schannel
2475 domain
->can_do_samlogon_ex
= False
;
2477 /* We're done - just keep the existing connection to NETLOGON
2479 conn
->netlogon_pipe
= netlogon_pipe
;
2480 *cli
= conn
->netlogon_pipe
;
2481 return NT_STATUS_OK
;
2484 /* Using the credentials from the first pipe, open a signed and sealed
2485 second netlogon pipe. The session key is stored in the schannel
2486 part of the new pipe auth struct.
2489 result
= cli_rpc_pipe_open_schannel_with_key(
2490 conn
->cli
, &ndr_table_netlogon
.syntax_id
, NCACN_NP
,
2491 PIPE_AUTH_LEVEL_PRIVACY
, domain
->name
, netlogon_pipe
->dc
,
2492 &conn
->netlogon_pipe
);
2494 /* We can now close the initial netlogon pipe. */
2495 TALLOC_FREE(netlogon_pipe
);
2497 if (!NT_STATUS_IS_OK(result
)) {
2498 DEBUG(3, ("Could not open schannel'ed NETLOGON pipe. Error "
2499 "was %s\n", nt_errstr(result
)));
2501 invalidate_cm_connection(conn
);
2506 * Try NetSamLogonEx for AD domains
2508 domain
->can_do_samlogon_ex
= domain
->active_directory
;
2510 *cli
= conn
->netlogon_pipe
;
2511 return NT_STATUS_OK
;