1 /*
2 Unix SMB/CIFS implementation.
3 async implementation of WINBINDD_GETDCNAME
4 Copyright (C) Volker Lendecke 2009
5
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
10
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>.
18 */
19
20 #include "includes.h"
21 #include "winbindd.h"
22 #include "librpc/gen_ndr/ndr_winbind_c.h"
23
24 struct winbindd_getdcname_state {
25 struct netr_DsRGetDCNameInfo *dcinfo;
26 };
27
28 static void winbindd_getdcname_done(struct tevent_req *subreq);
29
winbindd_getdcname_send(TALLOC_CTX * mem_ctx,struct tevent_context * ev,struct winbindd_cli_state * cli,struct winbindd_request * request)30 struct tevent_req *winbindd_getdcname_send(TALLOC_CTX *mem_ctx,
31 struct tevent_context *ev,
32 struct winbindd_cli_state *cli,
33 struct winbindd_request *request)
34 {
35 struct tevent_req *req, *subreq;
36 struct winbindd_getdcname_state *state;
37
38 req = tevent_req_create(mem_ctx, &state,
39 struct winbindd_getdcname_state);
40 if (req == NULL) {
41 return NULL;
42 }
43
44 request->domain_name[sizeof(request->domain_name)-1] = '\0';
45
46 DBG_NOTICE("[%s (%u)] getdcname for %s\n",
47 cli->client_name,
48 (unsigned int)cli->pid,
49 request->domain_name);
50
51 subreq = wb_dsgetdcname_send(state, ev, request->domain_name, NULL,
52 NULL, 0);
53 if (tevent_req_nomem(subreq, req)) {
54 return tevent_req_post(req, ev);
55 }
56 tevent_req_set_callback(subreq, winbindd_getdcname_done, req);
57 return req;
58 }
59
winbindd_getdcname_done(struct tevent_req * subreq)60 static void winbindd_getdcname_done(struct tevent_req *subreq)
61 {
62 struct tevent_req *req = tevent_req_callback_data(
63 subreq, struct tevent_req);
64 struct winbindd_getdcname_state *state = tevent_req_data(
65 req, struct winbindd_getdcname_state);
66 NTSTATUS status;
67
68 status = wb_dsgetdcname_recv(subreq, state, &state->dcinfo);
69 TALLOC_FREE(subreq);
70 if (tevent_req_nterror(req, status)) {
71 return;
72 }
73 tevent_req_done(req);
74 }
75
winbindd_getdcname_recv(struct tevent_req * req,struct winbindd_response * response)76 NTSTATUS winbindd_getdcname_recv(struct tevent_req *req,
77 struct winbindd_response *response)
78 {
79 struct winbindd_getdcname_state *state = tevent_req_data(
80 req, struct winbindd_getdcname_state);
81 NTSTATUS status;
82
83 if (tevent_req_is_nterror(req, &status)) {
84 DEBUG(5, ("getdcname failed: %s\n", nt_errstr(status)));
85 return status;
86 }
87 fstrcpy(response->data.dc_name, strip_hostname(state->dcinfo->dc_unc));
88 return NT_STATUS_OK;
89 }
90