libcli/security Provide a common, top level libcli/security/security.h
[metze/samba/wip.git] / source3 / winbindd / wb_getpwsid.c
1 /*
2    Unix SMB/CIFS implementation.
3    async getpwsid
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/cli_wbint.h"
23 #include "../libcli/security/security.h"
24
25 struct wb_getpwsid_state {
26         struct winbindd_domain *user_domain;
27         struct tevent_context *ev;
28         struct dom_sid sid;
29         struct wbint_userinfo *userinfo;
30         struct winbindd_pw *pw;
31 };
32
33 static void wb_getpwsid_queryuser_done(struct tevent_req *subreq);
34 static void wb_getpwsid_lookupsid_done(struct tevent_req *subreq);
35 static void wb_getpwsid_done(struct tevent_req *subreq);
36
37 struct tevent_req *wb_getpwsid_send(TALLOC_CTX *mem_ctx,
38                                     struct tevent_context *ev,
39                                     const struct dom_sid *user_sid,
40                                     struct winbindd_pw *pw)
41 {
42         struct tevent_req *req, *subreq;
43         struct wb_getpwsid_state *state;
44
45         req = tevent_req_create(mem_ctx, &state, struct wb_getpwsid_state);
46         if (req == NULL) {
47                 return NULL;
48         }
49         sid_copy(&state->sid, user_sid);
50         state->ev = ev;
51         state->pw = pw;
52
53         state->user_domain = find_domain_from_sid_noinit(user_sid);
54         if (state->user_domain == NULL) {
55                 tevent_req_nterror(req, NT_STATUS_NO_SUCH_USER);
56                 return tevent_req_post(req, ev);
57         }
58
59         subreq = wb_queryuser_send(state, ev, &state->sid);
60         if (tevent_req_nomem(subreq, req)) {
61                 return tevent_req_post(req, ev);
62         }
63         tevent_req_set_callback(subreq, wb_getpwsid_queryuser_done, req);
64         return req;
65 }
66
67 static void wb_getpwsid_queryuser_done(struct tevent_req *subreq)
68 {
69         struct tevent_req *req = tevent_req_callback_data(
70                 subreq, struct tevent_req);
71         struct wb_getpwsid_state *state = tevent_req_data(
72                 req, struct wb_getpwsid_state);
73         NTSTATUS status;
74
75         status = wb_queryuser_recv(subreq, state, &state->userinfo);
76         TALLOC_FREE(subreq);
77         if (!NT_STATUS_IS_OK(status)) {
78                 tevent_req_nterror(req, status);
79                 return;
80         }
81
82         if ((state->userinfo->acct_name != NULL)
83             && (state->userinfo->acct_name[0] != '\0')) {
84                 /*
85                  * QueryUser got us a name, let's got directly to the
86                  * fill_pwent step
87                  */
88                 subreq = wb_fill_pwent_send(state, state->ev, state->userinfo,
89                                             state->pw);
90                 if (tevent_req_nomem(subreq, req)) {
91                         return;
92                 }
93                 tevent_req_set_callback(subreq, wb_getpwsid_done, req);
94                 return;
95         }
96
97         /*
98          * QueryUser didn't get us a name, do it via LSA.
99          */
100         subreq = wb_lookupsid_send(state, state->ev,
101                                    &state->userinfo->user_sid);
102         if (tevent_req_nomem(subreq, req)) {
103                 return;
104         }
105         tevent_req_set_callback(subreq, wb_getpwsid_lookupsid_done, req);
106 }
107
108 static void wb_getpwsid_lookupsid_done(struct tevent_req *subreq)
109 {
110         struct tevent_req *req = tevent_req_callback_data(
111                 subreq, struct tevent_req);
112         struct wb_getpwsid_state *state = tevent_req_data(
113                 req, struct wb_getpwsid_state);
114         NTSTATUS status;
115         enum lsa_SidType type;
116         const char *domain;
117
118         status = wb_lookupsid_recv(subreq, state->userinfo, &type, &domain,
119                                    &state->userinfo->acct_name);
120         TALLOC_FREE(subreq);
121         if (!NT_STATUS_IS_OK(status)) {
122                 tevent_req_nterror(req, status);
123                 return;
124         }
125         subreq = wb_fill_pwent_send(state, state->ev, state->userinfo,
126                                     state->pw);
127         if (tevent_req_nomem(subreq, req)) {
128                 return;
129         }
130         tevent_req_set_callback(subreq, wb_getpwsid_done, req);
131 }
132
133 static void wb_getpwsid_done(struct tevent_req *subreq)
134 {
135         struct tevent_req *req = tevent_req_callback_data(
136                 subreq, struct tevent_req);
137         NTSTATUS status;
138
139         status = wb_fill_pwent_recv(subreq);
140         if (!NT_STATUS_IS_OK(status)) {
141                 tevent_req_nterror(req, status);
142                 return;
143         }
144         tevent_req_done(req);
145 }
146
147 NTSTATUS wb_getpwsid_recv(struct tevent_req *req)
148 {
149         NTSTATUS status;
150
151         if (tevent_req_is_nterror(req, &status)) {
152                 return status;
153         }
154         return NT_STATUS_OK;
155 }