1 /*
2 Unix SMB/CIFS implementation.
3 async implementation of WINBINDD_LOOKUPSID
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 "../libcli/security/security.h"
23
24 struct winbindd_lookupsid_state {
25 struct dom_sid sid;
26 enum lsa_SidType type;
27 const char *domname;
28 const char *name;
29 };
30
31 static void winbindd_lookupsid_done(struct tevent_req *subreq);
32
winbindd_lookupsid_send(TALLOC_CTX * mem_ctx,struct tevent_context * ev,struct winbindd_cli_state * cli,struct winbindd_request * request)33 struct tevent_req *winbindd_lookupsid_send(TALLOC_CTX *mem_ctx,
34 struct tevent_context *ev,
35 struct winbindd_cli_state *cli,
36 struct winbindd_request *request)
37 {
38 struct tevent_req *req, *subreq;
39 struct winbindd_lookupsid_state *state;
40
41 req = tevent_req_create(mem_ctx, &state,
42 struct winbindd_lookupsid_state);
43 if (req == NULL) {
44 return NULL;
45 }
46
47 /* Ensure null termination */
48 request->data.sid[sizeof(request->data.sid)-1]='\0';
49
50 DEBUG(3, ("lookupsid %s\n", request->data.sid));
51
52 if (!string_to_sid(&state->sid, request->data.sid)) {
53 DEBUG(5, ("%s not a SID\n", request->data.sid));
54 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
55 return tevent_req_post(req, ev);
56 }
57
58 subreq = wb_lookupsid_send(state, ev, &state->sid);
59 if (tevent_req_nomem(subreq, req)) {
60 return tevent_req_post(req, ev);
61 }
62 tevent_req_set_callback(subreq, winbindd_lookupsid_done, req);
63 return req;
64 }
65
winbindd_lookupsid_done(struct tevent_req * subreq)66 static void winbindd_lookupsid_done(struct tevent_req *subreq)
67 {
68 struct tevent_req *req = tevent_req_callback_data(
69 subreq, struct tevent_req);
70 struct winbindd_lookupsid_state *state = tevent_req_data(
71 req, struct winbindd_lookupsid_state);
72 NTSTATUS status;
73
74 status = wb_lookupsid_recv(subreq, state, &state->type,
75 &state->domname, &state->name);
76 TALLOC_FREE(subreq);
77 if (!NT_STATUS_IS_OK(status)) {
78 tevent_req_nterror(req, status);
79 return;
80 }
81 tevent_req_done(req);
82 }
83
winbindd_lookupsid_recv(struct tevent_req * req,struct winbindd_response * response)84 NTSTATUS winbindd_lookupsid_recv(struct tevent_req *req,
85 struct winbindd_response *response)
86 {
87 struct winbindd_lookupsid_state *state = tevent_req_data(
88 req, struct winbindd_lookupsid_state);
89 NTSTATUS status;
90
91 if (tevent_req_is_nterror(req, &status)) {
92 struct dom_sid_buf buf;
93 DEBUG(5, ("Could not lookup sid %s: %s\n",
94 dom_sid_str_buf(&state->sid, &buf),
95 nt_errstr(status)));
96 return status;
97 }
98
99 fstrcpy(response->data.name.dom_name, state->domname);
100 fstrcpy(response->data.name.name, state->name);
101 response->data.name.type = state->type;
102 return NT_STATUS_OK;
103 }
104