1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
|
/*
SSSD
sss_userdel
Copyright (C) Jakub Hrozek <jhrozek@redhat.com> 2009
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <stdlib.h>
#include <talloc.h>
#include <popt.h>
#include <pwd.h>
#include <unistd.h>
#include "db/sysdb.h"
#include "util/util.h"
#include "tools/tools_util.h"
static void userdel_req_done(struct tevent_req *req)
{
struct ops_ctx *data = tevent_req_callback_data(req, struct ops_ctx);
data->error = sysdb_transaction_commit_recv(req);
data->done = true;
}
/* sysdb callback */
static void userdel_done(void *pvt, int error, struct ldb_result *ignore)
{
struct ops_ctx *data = talloc_get_type(pvt, struct ops_ctx);
struct tevent_req *req;
if (error != EOK) {
goto fail;
}
req = sysdb_transaction_commit_send(data, data->ctx->ev, data->handle);
if (!req) {
error = ENOMEM;
goto fail;
}
tevent_req_set_callback(req, userdel_req_done, data);
return;
fail:
/* free transaction */
talloc_zfree(data->handle);
data->error = error;
data->done = true;
}
static void user_del_done(struct tevent_req *subreq);
static void user_del(struct tevent_req *req)
{
struct ops_ctx *data;
struct tevent_req *subreq;
struct ldb_dn *user_dn;
int ret;
data = tevent_req_callback_data(req, struct ops_ctx);
ret = sysdb_transaction_recv(req, data, &data->handle);
if (ret != EOK) {
return userdel_done(data, ret, NULL);
}
user_dn = sysdb_user_dn(data->ctx->sysdb, data,
data->domain->name, data->name);
if (!user_dn) {
DEBUG(1, ("Could not construct a user DN\n"));
return userdel_done(data, ENOMEM, NULL);
}
subreq = sysdb_delete_entry_send(data, data->ctx->ev, data->handle, user_dn, false);
if (!subreq)
return userdel_done(data, ENOMEM, NULL);
tevent_req_set_callback(subreq, user_del_done, data);
}
static void user_del_done(struct tevent_req *subreq)
{
struct ops_ctx *data = tevent_req_callback_data(subreq, struct ops_ctx);
int ret;
ret = sysdb_delete_entry_recv(subreq);
return userdel_done(data, ret, NULL);
}
int main(int argc, const char **argv)
{
int ret = EXIT_SUCCESS;
struct ops_ctx *data = NULL;
struct tevent_req *req;
struct passwd *pwd_info;
const char *pc_username = NULL;
int pc_debug = 0;
poptContext pc = NULL;
struct poptOption long_options[] = {
POPT_AUTOHELP
{ "debug", '\0', POPT_ARG_INT | POPT_ARGFLAG_DOC_HIDDEN, &pc_debug,
0, _("The debug level to run with"), NULL },
POPT_TABLEEND
};
debug_prg_name = argv[0];
ret = set_locale();
if (ret != EOK) {
DEBUG(1, ("set_locale failed (%d): %s\n", ret, strerror(ret)));
ERROR("Error setting the locale\n");
ret = EXIT_FAILURE;
goto fini;
}
/* parse parameters */
pc = poptGetContext(NULL, argc, argv, long_options, 0);
poptSetOtherOptionHelp(pc, "USERNAME");
if ((ret = poptGetNextOpt(pc)) < -1) {
usage(pc, poptStrerror(ret));
ret = EXIT_FAILURE;
goto fini;
}
debug_level = pc_debug;
pc_username = poptGetArg(pc);
if (pc_username == NULL) {
usage(pc, _("Specify user to delete\n"));
ret = EXIT_FAILURE;
goto fini;
}
CHECK_ROOT(ret, debug_prg_name);
ret = init_sss_tools(&data);
if (ret != EOK) {
DEBUG(1, ("init_sss_tools failed (%d): %s\n", ret, strerror(ret)));
ERROR("Error initializing the tools\n");
ret = EXIT_FAILURE;
goto fini;
}
/* if the domain was not given as part of FQDN, default to local domain */
ret = get_domain(data, pc_username);
if (ret != EOK) {
ERROR("Cannot get domain information\n");
ret = EXIT_FAILURE;
goto fini;
}
/* arguments processed, go on to actual work */
pwd_info = getpwnam(data->name);
if (pwd_info) {
data->uid = pwd_info->pw_uid;
}
if (id_in_range(data->uid, data->domain) != EOK) {
ERROR("The selected UID is outside the allowed range\n");
ret = EXIT_FAILURE;
goto fini;
}
/* userdel */
req = sysdb_transaction_send(data, data->ctx->ev, data->ctx->sysdb);
if (!req) {
DEBUG(1, ("Could not start transaction (%d)[%s]\n", ret, strerror(ret)));
ERROR("Transaction error. Could not remove user.\n");
ret = EXIT_FAILURE;
goto fini;
}
tevent_req_set_callback(req, user_del, data);
while (!data->done) {
tevent_loop_once(data->ctx->ev);
}
if (data->error) {
ret = data->error;
DEBUG(1, ("sysdb operation failed (%d)[%s]\n", ret, strerror(ret)));
switch (ret) {
case ENOENT:
ERROR("No such user\n");
break;
default:
ERROR("Internal error. Could not remove user.\n");
break;
}
ret = EXIT_FAILURE;
goto fini;
}
ret = EXIT_SUCCESS;
fini:
talloc_free(data);
poptFreeContext(pc);
exit(ret);
}
|
