torture: Fix copy and paste error in debug message.
[kai/samba.git] / source4 / winbind / wb_dom_info_trusted.c
1 /* 
2    Unix SMB/CIFS implementation.
3
4    Get a struct wb_dom_info for a trusted domain, relying on "our" DC.
5
6    Copyright (C) Volker Lendecke 2005
7    
8    This program is free software; you can redistribute it and/or modify
9    it under the terms of the GNU General Public License as published by
10    the Free Software Foundation; either version 3 of the License, or
11    (at your option) any later version.
12    
13    This program is distributed in the hope that it will be useful,
14    but WITHOUT ANY WARRANTY; without even the implied warranty of
15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16    GNU General Public License for more details.
17    
18    You should have received a copy of the GNU General Public License
19    along with this program.  If not, see <http://www.gnu.org/licenses/>.
20 */
21
22 #include "includes.h"
23 #include "libcli/composite/composite.h"
24 #include "libcli/resolve/resolve.h"
25 #include "libcli/security/security.h"
26 #include "winbind/wb_server.h"
27 #include "smbd/service_task.h"
28 #include "librpc/gen_ndr/ndr_netlogon_c.h"
29 #include "libcli/libcli.h"
30
31 struct trusted_dom_info_state {
32         struct composite_context *ctx;
33         struct wbsrv_service *service;
34         struct wbsrv_domain *my_domain;
35
36         struct netr_DsRGetDCName d;
37         struct netr_GetAnyDCName g;
38
39         struct wb_dom_info *info;
40 };
41
42 static void trusted_dom_info_recv_domain(struct composite_context *ctx);
43 static void trusted_dom_info_recv_dsr(struct tevent_req *subreq);
44 static void trusted_dom_info_recv_dcname(struct tevent_req *subreq);
45 static void trusted_dom_info_recv_dcaddr(struct composite_context *ctx);
46
47 struct composite_context *wb_trusted_dom_info_send(TALLOC_CTX *mem_ctx,
48                                                    struct wbsrv_service *service,
49                                                    const char *domain_name,
50                                                    const struct dom_sid *sid)
51 {
52         struct composite_context *result, *ctx;
53         struct trusted_dom_info_state *state;
54
55         result = composite_create(mem_ctx, service->task->event_ctx);
56         if (result == NULL) goto failed;
57
58         state = talloc(result, struct trusted_dom_info_state);
59         if (state == NULL) goto failed;
60         state->ctx = result;
61         result->private_data = state;
62
63         state->info = talloc_zero(state, struct wb_dom_info);
64         if (state->info == NULL) goto failed;
65
66         state->service = service;
67
68         state->info->sid = dom_sid_dup(state->info, sid);
69         if (state->info->sid == NULL) goto failed;
70
71         state->info->name = talloc_strdup(state->info, domain_name);
72         if (state->info->name == NULL) goto failed;
73
74         ctx = wb_sid2domain_send(state, service, service->primary_sid);
75         if (ctx == NULL) goto failed;
76
77         ctx->async.fn = trusted_dom_info_recv_domain;
78         ctx->async.private_data = state;
79         return result;
80
81  failed:
82         talloc_free(result);
83         return NULL;
84 }
85
86 static void trusted_dom_info_recv_domain(struct composite_context *ctx)
87 {
88         struct trusted_dom_info_state *state =
89                 talloc_get_type(ctx->async.private_data,
90                                 struct trusted_dom_info_state);
91         struct tevent_req *subreq;
92
93         state->ctx->status = wb_sid2domain_recv(ctx, &state->my_domain);
94         if (!composite_is_ok(state->ctx)) return;
95
96         state->d.in.server_unc =
97                 talloc_asprintf(state, "\\\\%s",
98                                 dcerpc_server_name(state->my_domain->netlogon_pipe));
99         if (composite_nomem(state->d.in.server_unc,
100                             state->ctx)) return;
101
102         state->d.in.domain_name = state->info->name;
103         state->d.in.domain_guid = NULL;
104         state->d.in.site_guid = NULL;
105         state->d.in.flags = DS_RETURN_DNS_NAME;
106         state->d.out.info = talloc(state, struct netr_DsRGetDCNameInfo *);
107         if (composite_nomem(state->d.out.info, state->ctx)) return;
108
109         subreq = dcerpc_netr_DsRGetDCName_r_send(state,
110                                                  state->ctx->event_ctx,
111                                                  state->my_domain->netlogon_pipe->binding_handle,
112                                                  &state->d);
113         if (composite_nomem(subreq, state->ctx)) return;
114         tevent_req_set_callback(subreq, trusted_dom_info_recv_dsr, state);
115 }
116
117 /*
118  * dcerpc_netr_DsRGetDCName has replied
119  */
120
121 static void trusted_dom_info_recv_dsr(struct tevent_req *subreq)
122 {
123         struct trusted_dom_info_state *state =
124                 tevent_req_callback_data(subreq,
125                 struct trusted_dom_info_state);
126
127         state->ctx->status = dcerpc_netr_DsRGetDCName_r_recv(subreq, state);
128         TALLOC_FREE(subreq);
129         if (!NT_STATUS_IS_OK(state->ctx->status)) {
130                 DEBUG(9, ("dcerpc_netr_DsRGetDCName_recv returned %s\n",
131                           nt_errstr(state->ctx->status)));
132                 goto fallback;
133         }
134
135         state->ctx->status =
136                 werror_to_ntstatus(state->d.out.result);
137         if (!NT_STATUS_IS_OK(state->ctx->status)) {
138                 DEBUG(9, ("dsrgetdcname returned %s\n",
139                           nt_errstr(state->ctx->status)));
140                 goto fallback;
141         }
142
143         /* Hey, that was easy! */
144         state->info->dc = talloc(state->info, struct nbt_dc_name);
145         state->info->dc->name = talloc_steal(state->info,
146                                             (*state->d.out.info)->dc_unc);
147         if (*state->info->dc->name == '\\') state->info->dc->name++;
148         if (*state->info->dc->name == '\\') state->info->dc->name++;
149
150         state->info->dc->address = talloc_steal(state->info,
151                                                (*state->d.out.info)->dc_address);
152         if (*state->info->dc->address == '\\') state->info->dc->address++;
153         if (*state->info->dc->address == '\\') state->info->dc->address++;
154
155         state->info->dns_name = talloc_steal(state->info,
156                                              (*state->d.out.info)->domain_name);
157
158         composite_done(state->ctx);
159         return;
160
161  fallback:
162
163         state->g.in.logon_server = talloc_asprintf(
164                 state, "\\\\%s",
165                 dcerpc_server_name(state->my_domain->netlogon_pipe));
166         state->g.in.domainname = state->info->name;
167         state->g.out.dcname = talloc(state, const char *);
168
169         subreq = dcerpc_netr_GetAnyDCName_r_send(state,
170                                                  state->ctx->event_ctx,
171                                                  state->my_domain->netlogon_pipe->binding_handle,
172                                                  &state->g);
173         if (composite_nomem(subreq, state->ctx)) return;
174
175         tevent_req_set_callback(subreq, trusted_dom_info_recv_dcname, state);
176 }
177
178 static void trusted_dom_info_recv_dcname(struct tevent_req *subreq)
179 {
180         struct trusted_dom_info_state *state =
181                 tevent_req_callback_data(subreq,
182                 struct trusted_dom_info_state);
183         struct composite_context *ctx;
184         struct nbt_name name;
185
186         state->ctx->status = dcerpc_netr_GetAnyDCName_r_recv(subreq, state);
187         TALLOC_FREE(subreq);
188         if (!composite_is_ok(state->ctx)) return;
189         state->ctx->status = werror_to_ntstatus(state->g.out.result);
190         if (!composite_is_ok(state->ctx)) return;
191
192         /* Hey, that was easy! */
193         state->info->dc = talloc(state->info, struct nbt_dc_name);
194         state->info->dc->name = talloc_steal(state->info,
195                                             *(state->g.out.dcname));
196         if (*state->info->dc->name == '\\') state->info->dc->name++;
197         if (*state->info->dc->name == '\\') state->info->dc->name++;
198         
199         make_nbt_name(&name, state->info->dc->name, 0x20);
200         ctx = resolve_name_send(lpcfg_resolve_context(state->service->task->lp_ctx), state,
201                                 &name, state->service->task->event_ctx);
202
203         composite_continue(state->ctx, ctx, trusted_dom_info_recv_dcaddr,
204                            state);
205 }
206
207 static void trusted_dom_info_recv_dcaddr(struct composite_context *ctx)
208 {
209         struct trusted_dom_info_state *state =
210                 talloc_get_type(ctx->async.private_data,
211                                 struct trusted_dom_info_state);
212
213         state->ctx->status = resolve_name_recv(ctx, state->info,
214                                                &state->info->dc->address);
215         if (!composite_is_ok(state->ctx)) return;
216
217         composite_done(state->ctx);
218 }
219
220 NTSTATUS wb_trusted_dom_info_recv(struct composite_context *ctx,
221                                   TALLOC_CTX *mem_ctx,
222                                   struct wb_dom_info **result)
223 {
224         NTSTATUS status = composite_wait(ctx);
225         if (NT_STATUS_IS_OK(status)) {
226                 struct trusted_dom_info_state *state =
227                         talloc_get_type(ctx->private_data,
228                                         struct trusted_dom_info_state);
229                 *result = talloc_steal(mem_ctx, state->info);
230         }
231         talloc_free(ctx);
232         return status;
233 }
234
235 NTSTATUS wb_trusted_dom_info(TALLOC_CTX *mem_ctx,
236                              struct wbsrv_service *service,
237                              const char *domain_name,
238                              const struct dom_sid *sid,
239                              struct wb_dom_info **result)
240 {
241         struct composite_context *ctx =
242                 wb_trusted_dom_info_send(mem_ctx, service, domain_name, sid);
243         return wb_trusted_dom_info_recv(ctx, mem_ctx, result);
244 }