winbind: Fix UPN handling in parse_domain_user()
[nivanova/samba-autobuild/.git] / source3 / winbindd / winbindd_getpwnam.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 #include "passdb/lookup_sid.h" /* only for LOOKUP_NAME_NO_NSS flag */
23
24 struct winbindd_getpwnam_state {
25         struct tevent_context *ev;
26         fstring namespace;
27         fstring domname;
28         fstring username;
29         struct dom_sid sid;
30         enum lsa_SidType type;
31         struct winbindd_pw pw;
32 };
33
34 static void winbindd_getpwnam_lookupname_done(struct tevent_req *subreq);
35 static void winbindd_getpwnam_done(struct tevent_req *subreq);
36
37 struct tevent_req *winbindd_getpwnam_send(TALLOC_CTX *mem_ctx,
38                                           struct tevent_context *ev,
39                                           struct winbindd_cli_state *cli,
40                                           struct winbindd_request *request)
41 {
42         struct tevent_req *req, *subreq;
43         struct winbindd_getpwnam_state *state;
44         char *domuser, *mapped_user;
45         NTSTATUS status;
46         bool ok;
47
48         req = tevent_req_create(mem_ctx, &state,
49                                 struct winbindd_getpwnam_state);
50         if (req == NULL) {
51                 return NULL;
52         }
53         state->ev = ev;
54
55         /* Ensure null termination */
56         request->data.username[sizeof(request->data.username)-1]='\0';
57
58         DEBUG(3, ("getpwnam %s\n", request->data.username));
59
60         domuser = request->data.username;
61
62         status = normalize_name_unmap(state, domuser, &mapped_user);
63
64         if (NT_STATUS_IS_OK(status)
65             || NT_STATUS_EQUAL(status, NT_STATUS_FILE_RENAMED)) {
66                 /* normalize_name_unmapped did something */
67                 domuser = mapped_user;
68         }
69
70         ok = parse_domain_user(domuser,
71                                state->namespace,
72                                state->domname,
73                                state->username);
74         if (!ok) {
75                 DEBUG(5, ("Could not parse domain user: %s\n", domuser));
76                 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
77                 return tevent_req_post(req, ev);
78         }
79
80         subreq = wb_lookupname_send(state, ev,
81                                     state->namespace,
82                                     state->domname,
83                                     state->username,
84                                     LOOKUP_NAME_NO_NSS);
85         if (tevent_req_nomem(subreq, req)) {
86                 return tevent_req_post(req, ev);
87         }
88         tevent_req_set_callback(subreq, winbindd_getpwnam_lookupname_done,
89                                 req);
90         return req;
91 }
92
93 static void winbindd_getpwnam_lookupname_done(struct tevent_req *subreq)
94 {
95         struct tevent_req *req = tevent_req_callback_data(
96                 subreq, struct tevent_req);
97         struct winbindd_getpwnam_state *state = tevent_req_data(
98                 req, struct winbindd_getpwnam_state);
99         NTSTATUS status;
100
101         status = wb_lookupname_recv(subreq, &state->sid, &state->type);
102         TALLOC_FREE(subreq);
103         if (tevent_req_nterror(req, status)) {
104                 return;
105         }
106
107         subreq = wb_getpwsid_send(state, state->ev, &state->sid, &state->pw);
108         if (tevent_req_nomem(subreq, req)) {
109                 return;
110         }
111         tevent_req_set_callback(subreq, winbindd_getpwnam_done, req);
112 }
113
114 static void winbindd_getpwnam_done(struct tevent_req *subreq)
115 {
116         struct tevent_req *req = tevent_req_callback_data(
117                 subreq, struct tevent_req);
118         NTSTATUS status;
119
120         status = wb_getpwsid_recv(subreq);
121         TALLOC_FREE(subreq);
122         if (tevent_req_nterror(req, status)) {
123                 return;
124         }
125         tevent_req_done(req);
126 }
127
128 NTSTATUS winbindd_getpwnam_recv(struct tevent_req *req,
129                                 struct winbindd_response *response)
130 {
131         struct winbindd_getpwnam_state *state = tevent_req_data(
132                 req, struct winbindd_getpwnam_state);
133         NTSTATUS status;
134
135         if (tevent_req_is_nterror(req, &status)) {
136                 DEBUG(5, ("Could not convert sid %s: %s\n",
137                           sid_string_dbg(&state->sid), nt_errstr(status)));
138                 return status;
139         }
140         response->data.pw = state->pw;
141         return NT_STATUS_OK;
142 }