2 Unix SMB/CIFS implementation.
6 Copyright (C) Andrew Tridgell 2005
7 Copyright (C) Stefan Metzmacher 2009
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program. If not, see <http://www.gnu.org/licenses/>.
24 see RFC1798 for details of CLDAP
27 - carried over UDP on port 389
28 - request and response matched by message ID
29 - request consists of only a single searchRequest element
30 - response can be in one of two forms
31 - a single searchResponse, followed by a searchResult
32 - a single searchResult
37 #include "../lib/util/dlinklist.h"
38 #include "../libcli/ldap/ldap_message.h"
39 #include "../libcli/ldap/ldap_ndr.h"
40 #include "../libcli/cldap/cldap.h"
41 #include "../lib/tsocket/tsocket.h"
42 #include "../libcli/security/dom_sid.h"
43 #include "../librpc/gen_ndr/ndr_nbt.h"
44 #include "../lib/util/asn1.h"
45 #include "../lib/util/tevent_ntstatus.h"
50 context structure for operations on cldap packets
53 /* the low level socket */
54 struct tdgram_context
*sock
;
57 * Are we in connected mode, which means
58 * we get ICMP errors back instead of timing
59 * out requests. And we can only send requests
60 * to the connected peer.
64 /* the queue for outgoing dgrams */
65 struct tevent_queue
*send_queue
;
67 /* do we have an async tsocket_recvfrom request pending */
68 struct tevent_req
*recv_subreq
;
71 /* a queue of pending search requests */
72 struct cldap_search_state
*list
;
74 /* mapping from message_id to pending request */
75 struct idr_context
*idr
;
78 /* what to do with incoming request packets */
80 struct tevent_context
*ev
;
81 void (*handler
)(struct cldap_socket
*,
83 struct cldap_incoming
*);
88 struct cldap_search_state
{
89 struct cldap_search_state
*prev
, *next
;
92 struct tevent_context
*ev
;
93 struct cldap_socket
*cldap
;
102 struct tsocket_address
*dest
;
107 struct cldap_incoming
*in
;
108 struct asn1_data
*asn1
;
111 struct tevent_req
*req
;
114 static int cldap_socket_destructor(struct cldap_socket
*c
)
116 while (c
->searches
.list
) {
117 struct cldap_search_state
*s
= c
->searches
.list
;
118 DLIST_REMOVE(c
->searches
.list
, s
);
119 ZERO_STRUCT(s
->caller
);
122 talloc_free(c
->recv_subreq
);
123 talloc_free(c
->send_queue
);
124 talloc_free(c
->sock
);
128 static void cldap_recvfrom_done(struct tevent_req
*subreq
);
130 static bool cldap_recvfrom_setup(struct cldap_socket
*c
)
132 struct tevent_context
*ev
;
134 if (c
->recv_subreq
) {
138 if (!c
->searches
.list
&& !c
->incoming
.handler
) {
144 ev
= c
->searches
.list
->caller
.ev
;
147 c
->recv_subreq
= tdgram_recvfrom_send(c
, ev
, c
->sock
);
148 if (!c
->recv_subreq
) {
151 tevent_req_set_callback(c
->recv_subreq
, cldap_recvfrom_done
, c
);
156 static void cldap_recvfrom_stop(struct cldap_socket
*c
)
158 if (!c
->recv_subreq
) {
162 if (c
->searches
.list
|| c
->incoming
.handler
) {
166 talloc_free(c
->recv_subreq
);
167 c
->recv_subreq
= NULL
;
170 static bool cldap_socket_recv_dgram(struct cldap_socket
*c
,
171 struct cldap_incoming
*in
);
173 static void cldap_recvfrom_done(struct tevent_req
*subreq
)
175 struct cldap_socket
*c
= tevent_req_callback_data(subreq
,
176 struct cldap_socket
);
177 struct cldap_incoming
*in
= NULL
;
181 c
->recv_subreq
= NULL
;
183 in
= talloc_zero(c
, struct cldap_incoming
);
188 ret
= tdgram_recvfrom_recv(subreq
,
198 if (ret
== -1 && in
->recv_errno
== 0) {
199 in
->recv_errno
= EIO
;
202 /* this function should free or steal 'in' */
203 setup_done
= cldap_socket_recv_dgram(c
, in
);
206 if (!setup_done
&& !cldap_recvfrom_setup(c
)) {
218 handle recv events on a cldap socket
220 static bool cldap_socket_recv_dgram(struct cldap_socket
*c
,
221 struct cldap_incoming
*in
)
223 struct asn1_data
*asn1
;
225 struct cldap_search_state
*search
;
228 if (in
->recv_errno
!= 0) {
232 asn1
= asn1_init(in
);
237 asn1_load_nocopy(asn1
, in
->buf
, in
->len
);
239 in
->ldap_msg
= talloc(in
, struct ldap_message
);
240 if (in
->ldap_msg
== NULL
) {
244 /* this initial decode is used to find the message id */
245 status
= ldap_decode(asn1
, NULL
, in
->ldap_msg
);
246 if (!NT_STATUS_IS_OK(status
)) {
250 /* find the pending request */
251 p
= idr_find(c
->searches
.idr
, in
->ldap_msg
->messageid
);
253 if (!c
->incoming
.handler
) {
258 /* this function should free or steal 'in' */
259 c
->incoming
.handler(c
, c
->incoming
.private_data
, in
);
263 search
= talloc_get_type_abort(p
, struct cldap_search_state
);
264 search
->response
.in
= talloc_move(search
, &in
);
266 search
->response
.asn1
= asn1
;
268 asn1_load_nocopy(search
->response
.asn1
,
269 search
->response
.in
->buf
, search
->response
.in
->len
);
271 DLIST_REMOVE(c
->searches
.list
, search
);
273 if (cldap_recvfrom_setup(c
)) {
274 tevent_req_done(search
->req
);
279 * This request was ok, just defer the notify of the caller
280 * and then just fail the next request if needed
282 tevent_req_defer_callback(search
->req
, search
->caller
.ev
);
283 tevent_req_done(search
->req
);
285 status
= NT_STATUS_NO_MEMORY
;
286 /* in is NULL it this point */
289 in
->recv_errno
= ENOMEM
;
291 status
= map_nt_error_from_unix_common(in
->recv_errno
);
294 /* in connected mode the first pending search gets the error */
296 /* otherwise we just ignore the error */
299 if (!c
->searches
.list
) {
303 * We might called tevent_req_done() for a successful
304 * search before, so we better deliver the failure
305 * after the success, that is why we better also
306 * use tevent_req_defer_callback() here.
308 tevent_req_defer_callback(c
->searches
.list
->req
,
309 c
->searches
.list
->caller
.ev
);
310 tevent_req_nterror(c
->searches
.list
->req
, status
);
315 initialise a cldap_sock
317 NTSTATUS
cldap_socket_init(TALLOC_CTX
*mem_ctx
,
318 const struct tsocket_address
*local_addr
,
319 const struct tsocket_address
*remote_addr
,
320 struct cldap_socket
**_cldap
)
322 struct cldap_socket
*c
= NULL
;
323 struct tsocket_address
*any
= NULL
;
326 const char *fam
= NULL
;
328 if (local_addr
== NULL
&& remote_addr
== NULL
) {
329 return NT_STATUS_INVALID_PARAMETER_MIX
;
336 is_ipv4
= tsocket_address_is_inet(remote_addr
, "ipv4");
337 is_ipv6
= tsocket_address_is_inet(remote_addr
, "ipv6");
341 } else if (is_ipv6
) {
344 return NT_STATUS_INVALID_ADDRESS
;
348 c
= talloc_zero(mem_ctx
, struct cldap_socket
);
355 * Here we know the address family of the remote address.
358 return NT_STATUS_INVALID_PARAMETER_MIX
;
361 ret
= tsocket_address_inet_from_strings(c
, fam
,
365 status
= map_nt_error_from_unix_common(errno
);
371 c
->searches
.idr
= idr_init(c
);
372 if (!c
->searches
.idr
) {
376 ret
= tdgram_inet_udp_socket(local_addr
, remote_addr
,
379 status
= map_nt_error_from_unix_common(errno
);
388 c
->send_queue
= tevent_queue_create(c
, "cldap_send_queue");
389 if (!c
->send_queue
) {
393 talloc_set_destructor(c
, cldap_socket_destructor
);
399 status
= NT_STATUS_NO_MEMORY
;
406 setup a handler for incoming requests
408 NTSTATUS
cldap_set_incoming_handler(struct cldap_socket
*c
,
409 struct tevent_context
*ev
,
410 void (*handler
)(struct cldap_socket
*,
412 struct cldap_incoming
*),
416 return NT_STATUS_PIPE_CONNECTED
;
420 c
->incoming
.handler
= handler
;
421 c
->incoming
.private_data
= private_data
;
423 if (!cldap_recvfrom_setup(c
)) {
424 ZERO_STRUCT(c
->incoming
);
425 return NT_STATUS_NO_MEMORY
;
431 struct cldap_reply_state
{
432 struct tsocket_address
*dest
;
436 static void cldap_reply_state_destroy(struct tevent_req
*subreq
);
439 queue a cldap reply for send
441 NTSTATUS
cldap_reply_send(struct cldap_socket
*cldap
, struct cldap_reply
*io
)
443 struct cldap_reply_state
*state
= NULL
;
444 struct ldap_message
*msg
;
445 DATA_BLOB blob1
, blob2
;
447 struct tevent_req
*subreq
;
449 if (cldap
->connected
) {
450 return NT_STATUS_PIPE_CONNECTED
;
453 if (cldap
->incoming
.ev
== NULL
) {
454 return NT_STATUS_INVALID_PIPE_STATE
;
458 return NT_STATUS_INVALID_ADDRESS
;
461 state
= talloc(cldap
, struct cldap_reply_state
);
462 NT_STATUS_HAVE_NO_MEMORY(state
);
464 state
->dest
= tsocket_address_copy(io
->dest
, state
);
469 msg
= talloc(state
, struct ldap_message
);
474 msg
->messageid
= io
->messageid
;
475 msg
->controls
= NULL
;
478 msg
->type
= LDAP_TAG_SearchResultEntry
;
479 msg
->r
.SearchResultEntry
= *io
->response
;
481 if (!ldap_encode(msg
, NULL
, &blob1
, state
)) {
482 status
= NT_STATUS_INVALID_PARAMETER
;
486 blob1
= data_blob(NULL
, 0);
489 msg
->type
= LDAP_TAG_SearchResultDone
;
490 msg
->r
.SearchResultDone
= *io
->result
;
492 if (!ldap_encode(msg
, NULL
, &blob2
, state
)) {
493 status
= NT_STATUS_INVALID_PARAMETER
;
498 state
->blob
= data_blob_talloc(state
, NULL
, blob1
.length
+ blob2
.length
);
499 if (!state
->blob
.data
) {
503 memcpy(state
->blob
.data
, blob1
.data
, blob1
.length
);
504 memcpy(state
->blob
.data
+blob1
.length
, blob2
.data
, blob2
.length
);
505 data_blob_free(&blob1
);
506 data_blob_free(&blob2
);
508 subreq
= tdgram_sendto_queue_send(state
,
518 /* the callback will just free the state, as we don't need a result */
519 tevent_req_set_callback(subreq
, cldap_reply_state_destroy
, state
);
524 status
= NT_STATUS_NO_MEMORY
;
530 static void cldap_reply_state_destroy(struct tevent_req
*subreq
)
532 struct cldap_reply_state
*state
= tevent_req_callback_data(subreq
,
533 struct cldap_reply_state
);
535 /* we don't want to know the result here, we just free the state */
540 static int cldap_search_state_destructor(struct cldap_search_state
*s
)
542 if (s
->caller
.cldap
) {
543 if (s
->message_id
!= -1) {
544 idr_remove(s
->caller
.cldap
->searches
.idr
, s
->message_id
);
547 DLIST_REMOVE(s
->caller
.cldap
->searches
.list
, s
);
548 cldap_recvfrom_stop(s
->caller
.cldap
);
549 ZERO_STRUCT(s
->caller
);
555 static void cldap_search_state_queue_done(struct tevent_req
*subreq
);
556 static void cldap_search_state_wakeup_done(struct tevent_req
*subreq
);
559 queue a cldap reply for send
561 struct tevent_req
*cldap_search_send(TALLOC_CTX
*mem_ctx
,
562 struct tevent_context
*ev
,
563 struct cldap_socket
*cldap
,
564 const struct cldap_search
*io
)
566 struct tevent_req
*req
, *subreq
;
567 struct cldap_search_state
*state
= NULL
;
568 struct ldap_message
*msg
;
569 struct ldap_SearchRequest
*search
;
575 req
= tevent_req_create(mem_ctx
, &state
,
576 struct cldap_search_state
);
581 state
->caller
.ev
= ev
;
583 state
->caller
.cldap
= cldap
;
584 state
->message_id
= -1;
586 talloc_set_destructor(state
, cldap_search_state_destructor
);
588 if (state
->caller
.cldap
== NULL
) {
589 tevent_req_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
593 if (io
->in
.dest_address
) {
594 if (cldap
->connected
) {
595 tevent_req_nterror(req
, NT_STATUS_PIPE_CONNECTED
);
598 ret
= tsocket_address_inet_from_strings(state
,
602 &state
->request
.dest
);
604 tevent_req_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
608 if (!cldap
->connected
) {
609 tevent_req_nterror(req
, NT_STATUS_INVALID_ADDRESS
);
612 state
->request
.dest
= NULL
;
615 state
->message_id
= idr_get_new_random(cldap
->searches
.idr
,
617 if (state
->message_id
== -1) {
618 tevent_req_nterror(req
, NT_STATUS_INSUFFICIENT_RESOURCES
);
622 msg
= talloc(state
, struct ldap_message
);
623 if (tevent_req_nomem(msg
, req
)) {
627 msg
->messageid
= state
->message_id
;
628 msg
->type
= LDAP_TAG_SearchRequest
;
629 msg
->controls
= NULL
;
630 search
= &msg
->r
.SearchRequest
;
633 search
->scope
= LDAP_SEARCH_SCOPE_BASE
;
634 search
->deref
= LDAP_DEREFERENCE_NEVER
;
635 search
->timelimit
= 0;
636 search
->sizelimit
= 0;
637 search
->attributesonly
= false;
638 search
->num_attributes
= str_list_length(io
->in
.attributes
);
639 search
->attributes
= io
->in
.attributes
;
640 search
->tree
= ldb_parse_tree(msg
, io
->in
.filter
);
641 if (tevent_req_nomem(search
->tree
, req
)) {
645 if (!ldap_encode(msg
, NULL
, &state
->request
.blob
, state
)) {
646 tevent_req_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
651 state
->request
.idx
= 0;
652 state
->request
.delay
= 10*1000*1000;
653 state
->request
.count
= 3;
654 if (io
->in
.timeout
> 0) {
655 state
->request
.delay
= io
->in
.timeout
* 1000 * 1000;
656 state
->request
.count
= io
->in
.retries
+ 1;
659 now
= tevent_timeval_current();
661 for (i
= 0; i
< state
->request
.count
; i
++) {
662 end
= tevent_timeval_add(&end
, state
->request
.delay
/ 1000000,
663 state
->request
.delay
% 1000000);
666 if (!tevent_req_set_endtime(req
, state
->caller
.ev
, end
)) {
671 subreq
= tdgram_sendto_queue_send(state
,
673 state
->caller
.cldap
->sock
,
674 state
->caller
.cldap
->send_queue
,
675 state
->request
.blob
.data
,
676 state
->request
.blob
.length
,
677 state
->request
.dest
);
678 if (tevent_req_nomem(subreq
, req
)) {
681 tevent_req_set_callback(subreq
, cldap_search_state_queue_done
, req
);
683 DLIST_ADD_END(cldap
->searches
.list
, state
);
688 return tevent_req_post(req
, state
->caller
.ev
);
691 static void cldap_search_state_queue_done(struct tevent_req
*subreq
)
693 struct tevent_req
*req
= tevent_req_callback_data(subreq
,
695 struct cldap_search_state
*state
= tevent_req_data(req
,
696 struct cldap_search_state
);
701 ret
= tdgram_sendto_queue_recv(subreq
, &sys_errno
);
705 status
= map_nt_error_from_unix_common(sys_errno
);
706 DLIST_REMOVE(state
->caller
.cldap
->searches
.list
, state
);
707 ZERO_STRUCT(state
->caller
.cldap
);
708 tevent_req_nterror(req
, status
);
712 state
->request
.idx
++;
714 /* wait for incoming traffic */
715 if (!cldap_recvfrom_setup(state
->caller
.cldap
)) {
720 if (state
->request
.idx
> state
->request
.count
) {
721 /* we just wait for the response or a timeout */
725 next
= tevent_timeval_current_ofs(state
->request
.delay
/ 1000000,
726 state
->request
.delay
% 1000000);
727 subreq
= tevent_wakeup_send(state
,
730 if (tevent_req_nomem(subreq
, req
)) {
733 tevent_req_set_callback(subreq
, cldap_search_state_wakeup_done
, req
);
736 static void cldap_search_state_wakeup_done(struct tevent_req
*subreq
)
738 struct tevent_req
*req
= tevent_req_callback_data(subreq
,
740 struct cldap_search_state
*state
= tevent_req_data(req
,
741 struct cldap_search_state
);
744 ok
= tevent_wakeup_recv(subreq
);
747 tevent_req_nterror(req
, NT_STATUS_INTERNAL_ERROR
);
751 subreq
= tdgram_sendto_queue_send(state
,
753 state
->caller
.cldap
->sock
,
754 state
->caller
.cldap
->send_queue
,
755 state
->request
.blob
.data
,
756 state
->request
.blob
.length
,
757 state
->request
.dest
);
758 if (tevent_req_nomem(subreq
, req
)) {
761 tevent_req_set_callback(subreq
, cldap_search_state_queue_done
, req
);
765 receive a cldap reply
767 NTSTATUS
cldap_search_recv(struct tevent_req
*req
,
769 struct cldap_search
*io
)
771 struct cldap_search_state
*state
= tevent_req_data(req
,
772 struct cldap_search_state
);
773 struct ldap_message
*ldap_msg
;
776 if (tevent_req_is_nterror(req
, &status
)) {
780 ldap_msg
= talloc(mem_ctx
, struct ldap_message
);
785 status
= ldap_decode(state
->response
.asn1
, NULL
, ldap_msg
);
786 if (!NT_STATUS_IS_OK(status
)) {
790 ZERO_STRUCT(io
->out
);
792 /* the first possible form has a search result in first place */
793 if (ldap_msg
->type
== LDAP_TAG_SearchResultEntry
) {
794 io
->out
.response
= talloc(mem_ctx
, struct ldap_SearchResEntry
);
795 if (!io
->out
.response
) {
798 *io
->out
.response
= ldap_msg
->r
.SearchResultEntry
;
800 /* decode the 2nd part */
801 status
= ldap_decode(state
->response
.asn1
, NULL
, ldap_msg
);
802 if (!NT_STATUS_IS_OK(status
)) {
807 if (ldap_msg
->type
!= LDAP_TAG_SearchResultDone
) {
808 status
= NT_STATUS_LDAP(LDAP_PROTOCOL_ERROR
);
812 io
->out
.result
= talloc(mem_ctx
, struct ldap_Result
);
813 if (!io
->out
.result
) {
816 *io
->out
.result
= ldap_msg
->r
.SearchResultDone
;
818 if (io
->out
.result
->resultcode
!= LDAP_SUCCESS
) {
819 status
= NT_STATUS_LDAP(io
->out
.result
->resultcode
);
823 tevent_req_received(req
);
827 status
= NT_STATUS_NO_MEMORY
;
829 tevent_req_received(req
);
835 synchronous cldap search
837 NTSTATUS
cldap_search(struct cldap_socket
*cldap
,
839 struct cldap_search
*io
)
842 struct tevent_req
*req
;
843 struct tevent_context
*ev
;
846 if (cldap
->searches
.list
) {
847 return NT_STATUS_PIPE_BUSY
;
850 if (cldap
->incoming
.handler
) {
851 return NT_STATUS_INVALID_PIPE_STATE
;
854 frame
= talloc_stackframe();
856 ev
= samba_tevent_context_init(frame
);
859 return NT_STATUS_NO_MEMORY
;
862 req
= cldap_search_send(mem_ctx
, ev
, cldap
, io
);
865 return NT_STATUS_NO_MEMORY
;
868 if (!tevent_req_poll(req
, ev
)) {
869 status
= map_nt_error_from_unix_common(errno
);
874 status
= cldap_search_recv(req
, mem_ctx
, io
);
875 if (!NT_STATUS_IS_OK(status
)) {
884 struct cldap_netlogon_state
{
885 struct cldap_search search
;
888 char *cldap_netlogon_create_filter(TALLOC_CTX
*mem_ctx
,
889 const struct cldap_netlogon
*io
)
893 filter
= talloc_asprintf(mem_ctx
, "(&(NtVer=%s)",
894 ldap_encode_ndr_uint32(mem_ctx
, io
->in
.version
));
899 filter
= talloc_asprintf_append_buffer(filter
, "(User=%s)", io
->in
.user
);
900 if (filter
== NULL
) {
905 filter
= talloc_asprintf_append_buffer(filter
, "(Host=%s)", io
->in
.host
);
906 if (filter
== NULL
) {
911 filter
= talloc_asprintf_append_buffer(filter
, "(DnsDomain=%s)", io
->in
.realm
);
912 if (filter
== NULL
) {
916 if (io
->in
.acct_control
!= -1) {
917 filter
= talloc_asprintf_append_buffer(filter
, "(AAC=%s)",
918 ldap_encode_ndr_uint32(mem_ctx
, io
->in
.acct_control
));
919 if (filter
== NULL
) {
923 if (io
->in
.domain_sid
) {
924 struct dom_sid
*sid
= dom_sid_parse_talloc(mem_ctx
, io
->in
.domain_sid
);
926 filter
= talloc_asprintf_append_buffer(filter
, "(domainSid=%s)",
927 ldap_encode_ndr_dom_sid(mem_ctx
, sid
));
928 if (filter
== NULL
) {
932 if (io
->in
.domain_guid
) {
934 GUID_from_string(io
->in
.domain_guid
, &guid
);
936 filter
= talloc_asprintf_append_buffer(filter
, "(DomainGuid=%s)",
937 ldap_encode_ndr_GUID(mem_ctx
, &guid
));
938 if (filter
== NULL
) {
942 filter
= talloc_asprintf_append_buffer(filter
, ")");
947 static void cldap_netlogon_state_done(struct tevent_req
*subreq
);
949 queue a cldap netlogon for send
951 struct tevent_req
*cldap_netlogon_send(TALLOC_CTX
*mem_ctx
,
952 struct tevent_context
*ev
,
953 struct cldap_socket
*cldap
,
954 const struct cldap_netlogon
*io
)
956 struct tevent_req
*req
, *subreq
;
957 struct cldap_netlogon_state
*state
;
959 static const char * const attr
[] = { "NetLogon", NULL
};
961 req
= tevent_req_create(mem_ctx
, &state
,
962 struct cldap_netlogon_state
);
967 filter
= cldap_netlogon_create_filter(state
, io
);
968 if (tevent_req_nomem(filter
, req
)) {
972 if (io
->in
.dest_address
) {
973 state
->search
.in
.dest_address
= talloc_strdup(state
,
974 io
->in
.dest_address
);
975 if (tevent_req_nomem(state
->search
.in
.dest_address
, req
)) {
978 state
->search
.in
.dest_port
= io
->in
.dest_port
;
980 state
->search
.in
.dest_address
= NULL
;
981 state
->search
.in
.dest_port
= 0;
983 state
->search
.in
.filter
= filter
;
984 state
->search
.in
.attributes
= attr
;
985 state
->search
.in
.timeout
= 2;
986 state
->search
.in
.retries
= 2;
988 subreq
= cldap_search_send(state
, ev
, cldap
, &state
->search
);
989 if (tevent_req_nomem(subreq
, req
)) {
992 tevent_req_set_callback(subreq
, cldap_netlogon_state_done
, req
);
996 return tevent_req_post(req
, ev
);
999 static void cldap_netlogon_state_done(struct tevent_req
*subreq
)
1001 struct tevent_req
*req
= tevent_req_callback_data(subreq
,
1003 struct cldap_netlogon_state
*state
= tevent_req_data(req
,
1004 struct cldap_netlogon_state
);
1007 status
= cldap_search_recv(subreq
, state
, &state
->search
);
1008 talloc_free(subreq
);
1010 if (tevent_req_nterror(req
, status
)) {
1014 tevent_req_done(req
);
1018 receive a cldap netlogon reply
1020 NTSTATUS
cldap_netlogon_recv(struct tevent_req
*req
,
1021 TALLOC_CTX
*mem_ctx
,
1022 struct cldap_netlogon
*io
)
1024 struct cldap_netlogon_state
*state
= tevent_req_data(req
,
1025 struct cldap_netlogon_state
);
1026 NTSTATUS status
= NT_STATUS_UNSUCCESSFUL
;
1029 if (tevent_req_is_nterror(req
, &status
)) {
1033 if (state
->search
.out
.response
== NULL
) {
1034 status
= NT_STATUS_NOT_FOUND
;
1038 if (state
->search
.out
.response
->num_attributes
!= 1 ||
1039 strcasecmp(state
->search
.out
.response
->attributes
[0].name
, "netlogon") != 0 ||
1040 state
->search
.out
.response
->attributes
[0].num_values
!= 1 ||
1041 state
->search
.out
.response
->attributes
[0].values
->length
< 2) {
1042 status
= NT_STATUS_UNEXPECTED_NETWORK_ERROR
;
1045 data
= state
->search
.out
.response
->attributes
[0].values
;
1047 status
= pull_netlogon_samlogon_response(data
, mem_ctx
,
1049 if (!NT_STATUS_IS_OK(status
)) {
1053 if (io
->in
.map_response
) {
1054 map_netlogon_samlogon_response(&io
->out
.netlogon
);
1057 status
= NT_STATUS_OK
;
1059 tevent_req_received(req
);
1064 sync cldap netlogon search
1066 NTSTATUS
cldap_netlogon(struct cldap_socket
*cldap
,
1067 TALLOC_CTX
*mem_ctx
,
1068 struct cldap_netlogon
*io
)
1071 struct tevent_req
*req
;
1072 struct tevent_context
*ev
;
1075 if (cldap
->searches
.list
) {
1076 return NT_STATUS_PIPE_BUSY
;
1079 if (cldap
->incoming
.handler
) {
1080 return NT_STATUS_INVALID_PIPE_STATE
;
1083 frame
= talloc_stackframe();
1085 ev
= samba_tevent_context_init(frame
);
1088 return NT_STATUS_NO_MEMORY
;
1091 req
= cldap_netlogon_send(mem_ctx
, ev
, cldap
, io
);
1094 return NT_STATUS_NO_MEMORY
;
1097 if (!tevent_req_poll(req
, ev
)) {
1098 status
= map_nt_error_from_unix_common(errno
);
1103 status
= cldap_netlogon_recv(req
, mem_ctx
, io
);
1104 if (!NT_STATUS_IS_OK(status
)) {
1110 return NT_STATUS_OK
;
1115 send an empty reply (used on any error, so the client doesn't keep waiting
1116 or send the bad request again)
1118 NTSTATUS
cldap_empty_reply(struct cldap_socket
*cldap
,
1119 uint32_t message_id
,
1120 struct tsocket_address
*dest
)
1123 struct cldap_reply reply
;
1124 struct ldap_Result result
;
1126 reply
.messageid
= message_id
;
1128 reply
.response
= NULL
;
1129 reply
.result
= &result
;
1131 ZERO_STRUCT(result
);
1133 status
= cldap_reply_send(cldap
, &reply
);
1139 send an error reply (used on any error, so the client doesn't keep waiting
1140 or send the bad request again)
1142 NTSTATUS
cldap_error_reply(struct cldap_socket
*cldap
,
1143 uint32_t message_id
,
1144 struct tsocket_address
*dest
,
1146 const char *errormessage
)
1149 struct cldap_reply reply
;
1150 struct ldap_Result result
;
1152 reply
.messageid
= message_id
;
1154 reply
.response
= NULL
;
1155 reply
.result
= &result
;
1157 ZERO_STRUCT(result
);
1158 result
.resultcode
= resultcode
;
1159 result
.errormessage
= errormessage
;
1161 status
= cldap_reply_send(cldap
, &reply
);
1168 send a netlogon reply
1170 NTSTATUS
cldap_netlogon_reply(struct cldap_socket
*cldap
,
1171 uint32_t message_id
,
1172 struct tsocket_address
*dest
,
1174 struct netlogon_samlogon_response
*netlogon
)
1177 struct cldap_reply reply
;
1178 struct ldap_SearchResEntry response
;
1179 struct ldap_Result result
;
1180 TALLOC_CTX
*tmp_ctx
= talloc_new(cldap
);
1183 status
= push_netlogon_samlogon_response(&blob
, tmp_ctx
,
1185 if (!NT_STATUS_IS_OK(status
)) {
1186 talloc_free(tmp_ctx
);
1189 reply
.messageid
= message_id
;
1191 reply
.response
= &response
;
1192 reply
.result
= &result
;
1194 ZERO_STRUCT(result
);
1197 response
.num_attributes
= 1;
1198 response
.attributes
= talloc(tmp_ctx
, struct ldb_message_element
);
1199 NT_STATUS_HAVE_NO_MEMORY(response
.attributes
);
1200 response
.attributes
->name
= "netlogon";
1201 response
.attributes
->num_values
= 1;
1202 response
.attributes
->values
= &blob
;
1204 status
= cldap_reply_send(cldap
, &reply
);
1206 talloc_free(tmp_ctx
);