source: vendor/3.5.4/source3/winbindd/wb_getgrsid.c

Last change on this file was 414, checked in by Herwig Bauernfeind, 16 years ago

Samba 3.5.0: Initial import
File size: 4.5 KB
Line 
1/*
2 Unix SMB/CIFS implementation.
3 async getgrsid
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
24struct wb_getgrsid_state {
25 struct tevent_context *ev;
26 struct dom_sid sid;
27 int max_nesting;
28 const char *domname;
29 const char *name;
30 enum lsa_SidType type;
31 gid_t gid;
32 struct talloc_dict *members;
33};
34
35static void wb_getgrsid_lookupsid_done(struct tevent_req *subreq);
36static void wb_getgrsid_sid2gid_done(struct tevent_req *subreq);
37static void wb_getgrsid_got_members(struct tevent_req *subreq);
38
39struct tevent_req *wb_getgrsid_send(TALLOC_CTX *mem_ctx,
40 struct tevent_context *ev,
41 const struct dom_sid *group_sid,
42 int max_nesting)
43{
44 struct tevent_req *req, *subreq;
45 struct wb_getgrsid_state *state;
46
47 req = tevent_req_create(mem_ctx, &state, struct wb_getgrsid_state);
48 if (req == NULL) {
49 return NULL;
50 }
51 sid_copy(&state->sid, group_sid);
52 state->ev = ev;
53 state->max_nesting = max_nesting;
54
55 if (lp_winbind_trusted_domains_only()) {
56 struct winbindd_domain *our_domain = find_our_domain();
57
58 if (sid_compare_domain(group_sid, &our_domain->sid) == 0) {
59 DEBUG(7, ("winbindd_getgrsid: My domain -- rejecting "
60 "getgrsid() for %s\n", sid_string_tos(group_sid)));
61 tevent_req_nterror(req, NT_STATUS_NO_SUCH_GROUP);
62 return tevent_req_post(req, ev);
63 }
64 }
65
66 subreq = wb_lookupsid_send(state, ev, &state->sid);
67 if (tevent_req_nomem(subreq, req)) {
68 return tevent_req_post(req, ev);
69 }
70 tevent_req_set_callback(subreq, wb_getgrsid_lookupsid_done, req);
71 return req;
72}
73
74static void wb_getgrsid_lookupsid_done(struct tevent_req *subreq)
75{
76 struct tevent_req *req = tevent_req_callback_data(
77 subreq, struct tevent_req);
78 struct wb_getgrsid_state *state = tevent_req_data(
79 req, struct wb_getgrsid_state);
80 NTSTATUS status;
81
82 status = wb_lookupsid_recv(subreq, state, &state->type,
83 &state->domname, &state->name);
84 TALLOC_FREE(subreq);
85 if (!NT_STATUS_IS_OK(status)) {
86 tevent_req_nterror(req, status);
87 return;
88 }
89
90 switch (state->type) {
91 case SID_NAME_DOM_GRP:
92 case SID_NAME_ALIAS:
93 case SID_NAME_WKN_GRP:
94 break;
95 default:
96 tevent_req_nterror(req, NT_STATUS_NO_SUCH_GROUP);
97 return;
98 }
99
100 subreq = wb_sid2gid_send(state, state->ev, &state->sid);
101 if (tevent_req_nomem(subreq, req)) {
102 return;
103 }
104 tevent_req_set_callback(subreq, wb_getgrsid_sid2gid_done, req);
105}
106
107static void wb_getgrsid_sid2gid_done(struct tevent_req *subreq)
108{
109 struct tevent_req *req = tevent_req_callback_data(
110 subreq, struct tevent_req);
111 struct wb_getgrsid_state *state = tevent_req_data(
112 req, struct wb_getgrsid_state);
113 NTSTATUS status;
114
115 status = wb_sid2gid_recv(subreq, &state->gid);
116 TALLOC_FREE(subreq);
117 if (!NT_STATUS_IS_OK(status)) {
118 tevent_req_nterror(req, status);
119 return;
120 }
121 subreq = wb_group_members_send(state, state->ev, &state->sid,
122 state->type, state->max_nesting);
123 if (tevent_req_nomem(subreq, req)) {
124 return;
125 }
126 tevent_req_set_callback(subreq, wb_getgrsid_got_members, req);
127}
128
129static void wb_getgrsid_got_members(struct tevent_req *subreq)
130{
131 struct tevent_req *req = tevent_req_callback_data(
132 subreq, struct tevent_req);
133 struct wb_getgrsid_state *state = tevent_req_data(
134 req, struct wb_getgrsid_state);
135 NTSTATUS status;
136
137 status = wb_group_members_recv(subreq, state, &state->members);
138 TALLOC_FREE(subreq);
139 if (!NT_STATUS_IS_OK(status)) {
140 tevent_req_nterror(req, status);
141 return;
142 }
143 tevent_req_done(req);
144}
145
146NTSTATUS wb_getgrsid_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
147 const char **domname, const char **name, gid_t *gid,
148 struct talloc_dict **members)
149{
150 struct wb_getgrsid_state *state = tevent_req_data(
151 req, struct wb_getgrsid_state);
152 NTSTATUS status;
153
154 if (tevent_req_is_nterror(req, &status)) {
155 return status;
156 }
157 *domname = talloc_move(mem_ctx, &state->domname);
158 *name = talloc_move(mem_ctx, &state->name);
159 *gid = state->gid;
160 *members = talloc_move(mem_ctx, &state->members);
161 return NT_STATUS_OK;
162}
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