1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
|
/*
Unix SMB/CIFS implementation.
Get a struct wb_dom_info for a domain using DNS, netbios, possibly cldap
etc.
Copyright (C) Volker Lendecke 2005
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#include "libcli/composite/composite.h"
#include "libcli/resolve/resolve.h"
#include "libcli/security/security.h"
#include "winbind/wb_server.h"
#include "smbd/service_task.h"
#include "libcli/finddc.h"
#include "lib/socket/netif.h"
#include "param/param.h"
struct get_dom_info_state {
struct composite_context *ctx;
struct wb_dom_info *info;
};
static void get_dom_info_recv_addrs(struct tevent_req *req);
struct composite_context *wb_get_dom_info_send(TALLOC_CTX *mem_ctx,
struct wbsrv_service *service,
const char *domain_name,
const char *dns_domain_name,
const struct dom_sid *sid)
{
struct composite_context *result;
struct tevent_req *req;
struct get_dom_info_state *state;
struct dom_sid *dom_sid;
struct finddcs finddcs_io;
DEBUG(5, ("wb_get_dom_info_send called\n"));
result = composite_create(mem_ctx, service->task->event_ctx);
if (result == NULL) goto failed;
state = talloc(result, struct get_dom_info_state);
if (state == NULL) goto failed;
state->ctx = result;
result->private_data = state;
state->info = talloc_zero(state, struct wb_dom_info);
if (state->info == NULL) goto failed;
state->info->name = talloc_strdup(state->info, domain_name);
if (state->info->name == NULL) goto failed;
state->info->sid = dom_sid_dup(state->info, sid);
if (state->info->sid == NULL) goto failed;
if (dom_sid_equal(sid, &global_sid_Builtin) ||
((lpcfg_server_role(service->task->lp_ctx) != ROLE_DOMAIN_MEMBER) &&
dom_sid_equal(sid, service->primary_sid) &&
service->sec_channel_type != SEC_CHAN_RODC)) {
struct interface *ifaces = NULL;
load_interface_list(state, service->task->lp_ctx, &ifaces);
state->info->dc = talloc(state->info, struct nbt_dc_name);
state->info->dc->address = talloc_strdup(state->info->dc,
iface_list_n_ip(ifaces, 0));
state->info->dc->name = talloc_strdup(state->info->dc,
lpcfg_netbios_name(service->task->lp_ctx));
composite_done(state->ctx);
return result;
}
dom_sid = dom_sid_dup(mem_ctx, sid);
if (dom_sid == NULL) goto failed;
ZERO_STRUCT(finddcs_io);
finddcs_io.in.domain_name = dns_domain_name;
finddcs_io.in.domain_sid = dom_sid;
finddcs_io.in.minimum_dc_flags = NBT_SERVER_LDAP | NBT_SERVER_DS;
if (service->sec_channel_type == SEC_CHAN_RODC) {
finddcs_io.in.minimum_dc_flags |= NBT_SERVER_WRITABLE;
}
req = finddcs_cldap_send(mem_ctx, &finddcs_io,
lpcfg_resolve_context(service->task->lp_ctx),
service->task->event_ctx);
if (req == NULL) goto failed;
tevent_req_set_callback(req, get_dom_info_recv_addrs, state);
return result;
failed:
talloc_free(result);
return NULL;
}
static void get_dom_info_recv_addrs(struct tevent_req *req)
{
struct get_dom_info_state *state = tevent_req_callback_data(req, struct get_dom_info_state);
struct finddcs finddcs_io;
state->info->dc = talloc(state->info, struct nbt_dc_name);
state->ctx->status = finddcs_cldap_recv(req, state->info, &finddcs_io);
if (!composite_is_ok(state->ctx)) return;
if (finddcs_io.out.netlogon.ntver != NETLOGON_NT_VERSION_5EX) {
/* the finddcs code should have mapped the response to
the type we want */
DEBUG(0,(__location__ ": unexpected ntver 0x%08x in finddcs response\n",
finddcs_io.out.netlogon.ntver));
state->ctx->status = NT_STATUS_UNEXPECTED_NETWORK_ERROR;
if (!composite_is_ok(state->ctx)) return;
}
state->info->dc->address = finddcs_io.out.address;
state->info->dc->name = finddcs_io.out.netlogon.data.nt5_ex.pdc_dns_name;
composite_done(state->ctx);
}
NTSTATUS wb_get_dom_info_recv(struct composite_context *ctx,
TALLOC_CTX *mem_ctx,
struct wb_dom_info **result)
{
NTSTATUS status = composite_wait(ctx);
if (NT_STATUS_IS_OK(status)) {
struct get_dom_info_state *state =
talloc_get_type(ctx->private_data,
struct get_dom_info_state);
*result = talloc_steal(mem_ctx, state->info);
}
talloc_free(ctx);
return status;
}
NTSTATUS wb_get_dom_info(TALLOC_CTX *mem_ctx,
struct wbsrv_service *service,
const char *domain_name,
const char *dns_domain_name,
const struct dom_sid *sid,
struct wb_dom_info **result)
{
struct composite_context *ctx =
wb_get_dom_info_send(mem_ctx, service, domain_name, dns_domain_name, sid);
return wb_get_dom_info_recv(ctx, mem_ctx, result);
}
|
