2 * Copyright (C) 2013 Intel Corporation.
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 * Stephen Clymans <stephen.clymans@open.eurogiciel.org>
24 * This source file and its associated header are present to maintain a
25 * temporary solution. We need to know if an user have the privilege for
26 * a particular action.
28 * At the end, this feature will be managed by Cynara
34 #include <sys/types.h>
39 #include "tzplatform_variables.h"
41 char is_admin(int uid) {
43 struct passwd *userinfo = NULL;
44 struct group *systemgroupinfo = NULL;
57 /* Get the gid of the group named "system" */
58 systemgroupinfo = getgrnam(TZ_SYS_ADMIN_GROUP);
59 if(systemgroupinfo == NULL) {
60 fprintf( stderr, "isadmin ERROR: cannot find group named \"sudo\" \n");
64 system_gid = admingroupinfo->gr_gid;
66 /* Get all the gid of the given uid */
68 userinfo = getpwuid(myuid);
70 /* Need to call this function now to get the number of group to make the
71 malloc correctly sized */
72 if (getgrouplist(userinfo->pw_name, userinfo->pw_gid, groups, &nbgroups) != -1) {
73 fprintf( stderr, "isadmin ERROR: cannot get number of groups\n");
77 groups = malloc(nbgroups * sizeof (gid_t));
79 fprintf( stderr, "isadmin ERROR: malloc cannot allocate memory\n");
83 if (getgrouplist(userinfo->pw_name, userinfo->pw_gid, groups, &nbgroups) == -1) {
84 fprintf( stderr, "isadmin ERROR: cannot get groups\n");
88 /* Check if the given uid is in the system group */
90 for(i = 0 ; i < nbgroups ; i++) {
91 if(groups[i] == system_gid)