2 Unix SMB/CIFS implementation.
4 Get a struct wb_dom_info for a domain using DNS, netbios, possibly cldap
7 Copyright (C) Volker Lendecke 2005
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 #include "libcli/composite/composite.h"
25 #include "libcli/resolve/resolve.h"
26 #include "libcli/security/security.h"
27 #include "winbind/wb_server.h"
28 #include "smbd/service_task.h"
29 #include "libcli/finddc.h"
30 #include "param/param.h"
31 #include "libcli/libcli.h"
33 struct get_dom_info_state
{
34 struct composite_context
*ctx
;
35 struct wb_dom_info
*info
;
38 static void get_dom_info_recv_addrs(struct tevent_req
*req
);
40 struct composite_context
*wb_get_dom_info_send(TALLOC_CTX
*mem_ctx
,
41 struct wbsrv_service
*service
,
42 const char *domain_name
,
43 const char *dns_domain_name
,
44 const struct dom_sid
*sid
)
46 struct composite_context
*result
;
47 struct tevent_req
*req
;
48 struct get_dom_info_state
*state
;
49 struct dom_sid
*dom_sid
;
50 struct finddcs finddcs_io
;
52 result
= composite_create(mem_ctx
, service
->task
->event_ctx
);
53 if (result
== NULL
) goto failed
;
55 state
= talloc(result
, struct get_dom_info_state
);
56 if (state
== NULL
) goto failed
;
58 result
->private_data
= state
;
60 state
->info
= talloc_zero(state
, struct wb_dom_info
);
61 if (state
->info
== NULL
) goto failed
;
63 state
->info
->name
= talloc_strdup(state
->info
, domain_name
);
64 if (state
->info
->name
== NULL
) goto failed
;
66 state
->info
->sid
= dom_sid_dup(state
->info
, sid
);
67 if (state
->info
->sid
== NULL
) goto failed
;
69 dom_sid
= dom_sid_dup(mem_ctx
, sid
);
70 if (dom_sid
== NULL
) goto failed
;
72 ZERO_STRUCT(finddcs_io
);
73 finddcs_io
.in
.domain_name
= dns_domain_name
;
74 finddcs_io
.in
.domain_sid
= dom_sid
;
75 finddcs_io
.in
.minimum_dc_flags
= NBT_SERVER_LDAP
| NBT_SERVER_DS
;
76 if (service
->sec_channel_type
== SEC_CHAN_RODC
) {
77 finddcs_io
.in
.minimum_dc_flags
|= NBT_SERVER_WRITABLE
;
80 req
= finddcs_cldap_send(mem_ctx
, &finddcs_io
,
81 lpcfg_resolve_context(service
->task
->lp_ctx
),
82 service
->task
->event_ctx
);
83 if (req
== NULL
) goto failed
;
85 tevent_req_set_callback(req
, get_dom_info_recv_addrs
, state
);
94 static void get_dom_info_recv_addrs(struct tevent_req
*req
)
96 struct get_dom_info_state
*state
= tevent_req_callback_data(req
, struct get_dom_info_state
);
97 struct finddcs finddcs_io
;
99 state
->info
->dc
= talloc(state
->info
, struct nbt_dc_name
);
101 state
->ctx
->status
= finddcs_cldap_recv(req
, state
->info
, &finddcs_io
);
102 if (!composite_is_ok(state
->ctx
)) return;
104 if (finddcs_io
.out
.netlogon
.ntver
!= NETLOGON_NT_VERSION_5EX
) {
105 /* the finddcs code should have mapped the response to
107 DEBUG(0,(__location__
": unexpected ntver 0x%08x in finddcs response\n",
108 finddcs_io
.out
.netlogon
.ntver
));
109 state
->ctx
->status
= NT_STATUS_UNEXPECTED_NETWORK_ERROR
;
110 if (!composite_is_ok(state
->ctx
)) return;
113 state
->info
->dc
->address
= finddcs_io
.out
.address
;
114 state
->info
->dc
->name
= finddcs_io
.out
.netlogon
.data
.nt5_ex
.pdc_dns_name
;
116 composite_done(state
->ctx
);
119 NTSTATUS
wb_get_dom_info_recv(struct composite_context
*ctx
,
121 struct wb_dom_info
**result
)
123 NTSTATUS status
= composite_wait(ctx
);
124 if (NT_STATUS_IS_OK(status
)) {
125 struct get_dom_info_state
*state
=
126 talloc_get_type(ctx
->private_data
,
127 struct get_dom_info_state
);
128 *result
= talloc_steal(mem_ctx
, state
->info
);
134 NTSTATUS
wb_get_dom_info(TALLOC_CTX
*mem_ctx
,
135 struct wbsrv_service
*service
,
136 const char *domain_name
,
137 const char *dns_domain_name
,
138 const struct dom_sid
*sid
,
139 struct wb_dom_info
**result
)
141 struct composite_context
*ctx
=
142 wb_get_dom_info_send(mem_ctx
, service
, domain_name
, dns_domain_name
, sid
);
143 return wb_get_dom_info_recv(ctx
, mem_ctx
, result
);