Merge branch 'master' of ssh://git.samba.org/data/git/samba
[ira/wip.git] / source3 / winbindd / winbindd_lookupname.c
1 /*
2    Unix SMB/CIFS implementation.
3    async implementation of WINBINDD_GETPWNAM
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
23 struct winbindd_lookupname_state {
24         struct tevent_context *ev;
25         struct dom_sid sid;
26         enum lsa_SidType type;
27 };
28
29 static void winbindd_lookupname_done(struct tevent_req *subreq);
30
31 struct tevent_req *winbindd_lookupname_send(TALLOC_CTX *mem_ctx,
32                                             struct tevent_context *ev,
33                                             struct winbindd_request *request)
34 {
35         struct tevent_req *req, *subreq;
36         struct winbindd_lookupname_state *state;
37         char *domname, *name, *p;
38
39         req = tevent_req_create(mem_ctx, &state,
40                                 struct winbindd_lookupname_state);
41         if (req == NULL) {
42                 return NULL;
43         }
44         state->ev = ev;
45
46         /* Ensure null termination */
47         request->data.name.dom_name[
48                 sizeof(request->data.name.dom_name)-1]='\0';
49         request->data.name.name[sizeof(request->data.name.name)-1]='\0';
50
51         /* cope with the name being a fully qualified name */
52         p = strstr(request->data.name.name, lp_winbind_separator());
53         if (p) {
54                 *p = 0;
55                 domname = request->data.name.name;
56                 name = p+1;
57         } else if ((p = strchr(request->data.name.name, '@')) != NULL) {
58                 /* upn */
59                 domname = p + 1;
60                 *p = 0;
61                 name = request->data.name.name;
62         } else {
63                 domname = request->data.name.dom_name;
64                 name = request->data.name.name;
65         }
66
67         DEBUG(3, ("lookupname %s%s%s\n", domname, lp_winbind_separator(),
68                   name));
69
70         subreq = wb_lookupname_send(state, ev, domname, name, 0);
71         if (tevent_req_nomem(subreq, req)) {
72                 return tevent_req_post(req, ev);
73         }
74         tevent_req_set_callback(subreq, winbindd_lookupname_done, req);
75         return req;
76 }
77
78 static void winbindd_lookupname_done(struct tevent_req *subreq)
79 {
80         struct tevent_req *req = tevent_req_callback_data(
81                 subreq, struct tevent_req);
82         struct winbindd_lookupname_state *state = tevent_req_data(
83                 req, struct winbindd_lookupname_state);
84         NTSTATUS status;
85
86         status = wb_lookupname_recv(subreq, &state->sid, &state->type);
87         TALLOC_FREE(subreq);
88         if (!NT_STATUS_IS_OK(status)) {
89                 tevent_req_nterror(req, status);
90                 return;
91         }
92         tevent_req_done(req);
93 }
94
95 NTSTATUS winbindd_lookupname_recv(struct tevent_req *req,
96                                   struct winbindd_response *response)
97 {
98         struct winbindd_lookupname_state *state = tevent_req_data(
99                 req, struct winbindd_lookupname_state);
100         NTSTATUS status;
101
102         if (tevent_req_is_nterror(req, &status)) {
103                 DEBUG(5, ("Could not convert sid %s: %s\n",
104                           sid_string_dbg(&state->sid), nt_errstr(status)));
105                 return status;
106         }
107         sid_to_fstring(response->data.sid.sid, &state->sid);
108         response->data.sid.type = state->type;
109         return NT_STATUS_OK;
110 }