2 Unix SMB/CIFS implementation.
4 Copyright (C) Volker Lendecke 2009
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.
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.
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/>.
22 #include "librpc/gen_ndr/cli_wbint.h"
23 #include "idmap_cache.h"
25 struct wb_sid2gid_state
{
26 struct tevent_context
*ev
;
33 static void wb_sid2gid_lookup_done(struct tevent_req
*subreq
);
34 static void wb_sid2gid_done(struct tevent_req
*subreq
);
37 struct tevent_req
*wb_sid2gid_send(TALLOC_CTX
*mem_ctx
,
38 struct tevent_context
*ev
,
39 const struct dom_sid
*sid
)
41 struct tevent_req
*req
, *subreq
;
42 struct wb_sid2gid_state
*state
;
45 req
= tevent_req_create(mem_ctx
, &state
, struct wb_sid2gid_state
);
49 sid_copy(&state
->sid
, sid
);
52 if (winbindd_use_idmap_cache()
53 && idmap_cache_find_sid2gid(sid
, &state
->gid
, &expired
)) {
55 DEBUG(10, ("idmap_cache_find_sid2gid found %d%s\n",
56 (int)state
->gid
, expired
? " (expired)": ""));
58 if (!expired
|| is_domain_offline(find_our_domain())) {
59 if (state
->gid
== -1) {
60 tevent_req_nterror(req
, NT_STATUS_NONE_MAPPED
);
64 return tevent_req_post(req
, ev
);
69 * We need to make sure the sid is of the right type to not flood
70 * idmap with wrong entries
73 subreq
= wb_lookupsid_send(state
, ev
, &state
->sid
);
74 if (tevent_req_nomem(subreq
, req
)) {
75 return tevent_req_post(req
, ev
);
77 tevent_req_set_callback(subreq
, wb_sid2gid_lookup_done
, req
);
81 static void wb_sid2gid_lookup_done(struct tevent_req
*subreq
)
83 struct tevent_req
*req
= tevent_req_callback_data(
84 subreq
, struct tevent_req
);
85 struct wb_sid2gid_state
*state
= tevent_req_data(
86 req
, struct wb_sid2gid_state
);
87 struct winbindd_domain
*domain
;
90 enum lsa_SidType type
;
92 struct winbindd_child
*child
;
94 status
= wb_lookupsid_recv(subreq
, talloc_tos(), &type
, &domname
,
96 if (!NT_STATUS_IS_OK(status
)) {
97 tevent_req_nterror(req
, status
);
101 if ((type
!= SID_NAME_DOM_GRP
) && (type
!= SID_NAME_ALIAS
)
102 && (type
!= SID_NAME_WKN_GRP
)) {
103 DEBUG(5, ("Sid %s is not a group.\n",
104 sid_string_dbg(&state
->sid
)));
106 * We have to set the cache ourselves here, the child
107 * which is normally responsible was not queried yet.
109 idmap_cache_set_sid2gid(&state
->sid
, -1);
110 tevent_req_nterror(req
, NT_STATUS_INVALID_SID
);
114 domain
= find_domain_from_sid_noinit(&state
->sid
);
117 * TODO: Issue a gettrustinfo here in case we don't have "domain" yet?
120 if ((domain
!= NULL
) && domain
->have_idmap_config
) {
121 state
->dom_name
= domain
->name
;
123 state
->dom_name
= NULL
;
126 child
= idmap_child();
128 subreq
= dcerpc_wbint_Sid2Gid_send(state
, state
->ev
, child
->binding_handle
,
129 state
->dom_name
, &state
->sid
,
131 if (tevent_req_nomem(subreq
, req
)) {
134 tevent_req_set_callback(subreq
, wb_sid2gid_done
, req
);
137 static void wb_sid2gid_done(struct tevent_req
*subreq
)
139 struct tevent_req
*req
= tevent_req_callback_data(
140 subreq
, struct tevent_req
);
141 struct wb_sid2gid_state
*state
= tevent_req_data(
142 req
, struct wb_sid2gid_state
);
143 NTSTATUS status
, result
;
145 status
= dcerpc_wbint_Sid2Gid_recv(subreq
, state
, &result
);
147 if (!NT_STATUS_IS_OK(status
)) {
148 tevent_req_nterror(req
, status
);
151 if (!NT_STATUS_IS_OK(result
)) {
152 tevent_req_nterror(req
, result
);
156 state
->gid
= state
->gid64
;
157 tevent_req_done(req
);
160 NTSTATUS
wb_sid2gid_recv(struct tevent_req
*req
, gid_t
*gid
)
162 struct wb_sid2gid_state
*state
= tevent_req_data(
163 req
, struct wb_sid2gid_state
);
166 if (tevent_req_is_nterror(req
, &status
)) {