source: vendor/3.5.10/source3/winbindd/winbindd_getgrnam.c

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

Samba 3.5.0: Initial import
File size: 4.9 KB
Line 
1/*
2 Unix SMB/CIFS implementation.
3 async implementation of WINBINDD_GETGRNAM
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
23struct winbindd_getgrnam_state {
24 struct tevent_context *ev;
25 fstring name_domain, name_group;
26 struct dom_sid sid;
27 const char *domname;
28 const char *name;
29 gid_t gid;
30 struct talloc_dict *members;
31};
32
33static void winbindd_getgrnam_lookupsid_done(struct tevent_req *subreq);
34static void winbindd_getgrnam_done(struct tevent_req *subreq);
35
36struct tevent_req *winbindd_getgrnam_send(TALLOC_CTX *mem_ctx,
37 struct tevent_context *ev,
38 struct winbindd_cli_state *cli,
39 struct winbindd_request *request)
40{
41 struct tevent_req *req, *subreq;
42 struct winbindd_getgrnam_state *state;
43 char *tmp;
44 NTSTATUS nt_status;
45
46 req = tevent_req_create(mem_ctx, &state,
47 struct winbindd_getgrnam_state);
48 if (req == NULL) {
49 return NULL;
50 }
51 state->ev = ev;
52
53 /* Ensure null termination */
54 request->data.groupname[sizeof(request->data.groupname)-1]='\0';
55
56 DEBUG(3, ("getgrnam %s\n", request->data.groupname));
57
58 nt_status = normalize_name_unmap(state, request->data.groupname, &tmp);
59 /* If we didn't map anything in the above call, just reset the
60 tmp pointer to the original string */
61 if (!NT_STATUS_IS_OK(nt_status) &&
62 !NT_STATUS_EQUAL(nt_status, NT_STATUS_FILE_RENAMED))
63 {
64 tmp = request->data.groupname;
65 }
66
67 /* Parse domain and groupname */
68
69 parse_domain_user(tmp, state->name_domain, state->name_group);
70
71 /* if no domain or our local domain and no local tdb group, default to
72 * our local domain for aliases */
73
74 if ( !*(state->name_domain) || strequal(state->name_domain,
75 get_global_sam_name()) ) {
76 fstrcpy(state->name_domain, get_global_sam_name());
77 }
78
79 subreq = wb_lookupname_send(state, ev, state->name_domain, state->name_group,
80 0);
81 if (tevent_req_nomem(subreq, req)) {
82 return tevent_req_post(req, ev);
83 }
84 tevent_req_set_callback(subreq, winbindd_getgrnam_lookupsid_done,
85 req);
86 return req;
87}
88
89static void winbindd_getgrnam_lookupsid_done(struct tevent_req *subreq)
90{
91 struct tevent_req *req = tevent_req_callback_data(
92 subreq, struct tevent_req);
93 struct winbindd_getgrnam_state *state = tevent_req_data(
94 req, struct winbindd_getgrnam_state);
95 enum lsa_SidType type;
96 NTSTATUS status;
97
98 status = wb_lookupname_recv(subreq, &state->sid, &type);
99 TALLOC_FREE(subreq);
100 if (!NT_STATUS_IS_OK(status)) {
101 tevent_req_nterror(req, status);
102 return;
103 }
104
105 if ( (type != SID_NAME_DOM_GRP) && (type != SID_NAME_ALIAS) ) {
106 DEBUG(5,("getgrnam_recv: not a group!\n"));
107 tevent_req_nterror(req, NT_STATUS_NO_SUCH_GROUP);
108 return;
109 }
110
111 subreq = wb_getgrsid_send(state, state->ev, &state->sid,
112 lp_winbind_expand_groups());
113 if (tevent_req_nomem(subreq, req)) {
114 return;
115 }
116 tevent_req_set_callback(subreq, winbindd_getgrnam_done, req);
117}
118
119static void winbindd_getgrnam_done(struct tevent_req *subreq)
120{
121 struct tevent_req *req = tevent_req_callback_data(
122 subreq, struct tevent_req);
123 struct winbindd_getgrnam_state *state = tevent_req_data(
124 req, struct winbindd_getgrnam_state);
125 NTSTATUS status;
126
127 status = wb_getgrsid_recv(subreq, state, &state->domname, &state->name,
128 &state->gid, &state->members);
129 TALLOC_FREE(subreq);
130 if (!NT_STATUS_IS_OK(status)) {
131 tevent_req_nterror(req, status);
132 return;
133 }
134 tevent_req_done(req);
135}
136
137NTSTATUS winbindd_getgrnam_recv(struct tevent_req *req,
138 struct winbindd_response *response)
139{
140 struct winbindd_getgrnam_state *state = tevent_req_data(
141 req, struct winbindd_getgrnam_state);
142 NTSTATUS status;
143 int num_members;
144 char *buf;
145
146 if (tevent_req_is_nterror(req, &status)) {
147 DEBUG(5, ("Could not convert sid %s: %s\n",
148 sid_string_dbg(&state->sid), nt_errstr(status)));
149 return status;
150 }
151
152 if (!fill_grent(talloc_tos(), &response->data.gr, state->domname,
153 state->name, state->gid)) {
154 DEBUG(5, ("fill_grent failed\n"));
155 return NT_STATUS_NO_MEMORY;
156 }
157
158 status = winbindd_print_groupmembers(state->members, response,
159 &num_members, &buf);
160 if (!NT_STATUS_IS_OK(status)) {
161 return status;
162 }
163
164 response->data.gr.num_gr_mem = (uint32)num_members;
165
166 /* Group membership lives at start of extra data */
167
168 response->data.gr.gr_mem_ofs = 0;
169 response->extra_data.data = buf;
170 response->length += talloc_get_size(response->extra_data.data);
171
172 return NT_STATUS_OK;
173}
Note: See TracBrowser for help on using the repository browser.