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
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
|
/*
SSSD
sss_groupmod
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 <errno.h>
#include <grp.h>
#include <unistd.h>
#include "util/util.h"
#include "db/sysdb.h"
#include "tools/tools_util.h"
#include "tools/sss_sync_ops.h"
int main(int argc, const char **argv)
{
gid_t pc_gid = 0;
int pc_debug = SSSDBG_DEFAULT;
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 },
{ "append-group", 'a', POPT_ARG_STRING, NULL,
'a', _("Groups to add this group to"), NULL },
{ "remove-group", 'r', POPT_ARG_STRING, NULL,
'r', _("Groups to remove this group from"), NULL },
{ "gid", 'g', POPT_ARG_INT | POPT_ARGFLAG_DOC_HIDDEN, &pc_gid,
0, _("The GID of the group"), NULL },
POPT_TABLEEND
};
poptContext pc = NULL;
struct tools_ctx *tctx = NULL;
char *addgroups = NULL, *rmgroups = NULL;
int ret;
errno_t sret;
const char *pc_groupname = NULL;
char *badgroup = NULL;
bool in_transaction = false;
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, "GROUPNAME");
while ((ret = poptGetNextOpt(pc)) > 0) {
switch (ret) {
case 'a':
addgroups = poptGetOptArg(pc);
if (addgroups == NULL) {
BAD_POPT_PARAMS(pc, _("Specify group to add to\n"),
ret, fini);
}
break;
case 'r':
rmgroups = poptGetOptArg(pc);
if (rmgroups == NULL) {
BAD_POPT_PARAMS(pc, _("Specify group to remove from\n"),
ret, fini);
}
break;
}
}
if (ret != -1) {
BAD_POPT_PARAMS(pc, poptStrerror(ret), ret, fini);
}
/* groupname is an argument without --option */
pc_groupname = poptGetArg(pc);
if (pc_groupname == NULL) {
BAD_POPT_PARAMS(pc, _("Specify group to modify\n"), ret, fini);
}
debug_level = debug_convert_old_level(pc_debug);
CHECK_ROOT(ret, debug_prg_name);
ret = init_sss_tools(&tctx);
if (ret != EOK) {
DEBUG(1, ("init_sss_tools failed (%d): %s\n", ret, strerror(ret)));
if (ret == ENOENT) {
ERROR("Error initializing the tools - no local domain\n");
} else {
ERROR("Error initializing the tools\n");
}
ret = EXIT_FAILURE;
goto fini;
}
ret = parse_name_domain(tctx, pc_groupname);
if (ret != EOK) {
ERROR("Invalid domain specified in FQDN\n");
ret = EXIT_FAILURE;
goto fini;
}
/* check the username to be able to give sensible error message */
ret = sysdb_getgrnam_sync(tctx, tctx->sysdb, tctx->octx->name, tctx->octx);
if (ret != EOK) {
ERROR("Cannot find group in local domain, "
"modifying groups is allowed only in local domain\n");
ret = EXIT_FAILURE;
goto fini;
}
tctx->octx->gid = pc_gid;
if (addgroups) {
ret = parse_groups(tctx, addgroups, &tctx->octx->addgroups);
if (ret != EOK) {
DEBUG(1, ("Cannot parse groups to add the group to\n"));
ERROR("Internal error while parsing parameters\n");
ret = EXIT_FAILURE;
goto fini;
}
ret = parse_group_name_domain(tctx, tctx->octx->addgroups);
if (ret != EOK) {
DEBUG(1, ("Cannot parse FQDN groups to add the group to\n"));
ERROR("Member groups must be in the same domain as parent group\n");
ret = EXIT_FAILURE;
goto fini;
}
/* Check group names in the LOCAL domain */
ret = check_group_names(tctx, tctx->octx->addgroups, &badgroup);
if (ret != EOK) {
ERROR("Cannot find group %1$s in local domain, "
"only groups in local domain are allowed\n", badgroup);
ret = EXIT_FAILURE;
goto fini;
}
}
if (rmgroups) {
ret = parse_groups(tctx, rmgroups, &tctx->octx->rmgroups);
if (ret != EOK) {
DEBUG(1, ("Cannot parse groups to remove the group from\n"));
ERROR("Internal error while parsing parameters\n");
ret = EXIT_FAILURE;
goto fini;
}
ret = parse_group_name_domain(tctx, tctx->octx->rmgroups);
if (ret != EOK) {
DEBUG(1, ("Cannot parse FQDN groups to remove the group from\n"));
ERROR("Member groups must be in the same domain as parent group\n");
ret = EXIT_FAILURE;
goto fini;
}
/* Check group names in the LOCAL domain */
ret = check_group_names(tctx, tctx->octx->rmgroups, &badgroup);
if (ret != EOK) {
ERROR("Cannot find group %1$s in local domain, "
"only groups in local domain are allowed\n", badgroup);
ret = EXIT_FAILURE;
goto fini;
}
}
if (id_in_range(tctx->octx->gid, tctx->octx->domain) != EOK) {
ERROR("The selected GID is outside the allowed range\n");
ret = EXIT_FAILURE;
goto fini;
}
tctx->error = sysdb_transaction_start(tctx->sysdb);
if (tctx->error != EOK) {
DEBUG(SSSDBG_CRIT_FAILURE, ("Failed to start transaction\n"));
goto done;
}
in_transaction = true;
/* groupmod */
tctx->error = groupmod(tctx, tctx->sysdb, tctx->octx);
if (tctx->error) {
goto done;
}
tctx->error = sysdb_transaction_commit(tctx->sysdb);
if (tctx->error != EOK) {
DEBUG(SSSDBG_CRIT_FAILURE, ("Failed to commit transaction\n"));
goto done;
}
in_transaction = false;
done:
if (in_transaction) {
sret = sysdb_transaction_cancel(tctx->sysdb);
if (sret != EOK) {
DEBUG(SSSDBG_CRIT_FAILURE, ("Failed to cancel transaction\n"));
}
}
if (tctx->error) {
ret = tctx->error;
DEBUG(1, ("sysdb operation failed (%d)[%s]\n", ret, strerror(ret)));
switch (ret) {
case ENOENT:
ERROR("Could not modify group - check if member group names are correct\n");
break;
case EFAULT:
ERROR("Could not modify group - check if groupname is correct\n");
break;
default:
ERROR("Transaction error. Could not modify group.\n");
break;
}
ret = EXIT_FAILURE;
goto fini;
}
ret = EXIT_SUCCESS;
fini:
free(addgroups);
free(rmgroups);
poptFreeContext(pc);
talloc_free(tctx);
exit(ret);
}
|
