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/***************************************************************************
* CVSID: $Id$
*
* polkit-is-privileged.c : Determine if a user has privileges
*
* Copyright (C) 2006 David Zeuthen, <david@fubar.dk>
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
**************************************************************************/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <getopt.h>
#include <dbus/dbus.h>
#include <libpolkit/libpolkit.h>
static void
usage (int argc, char *argv[])
{
fprintf (stderr, "polkit-is-privileged version " PACKAGE_VERSION "\n");
fprintf (stderr,
"\n"
"usage : %s -u <uid> -p <privilege> [-r <resource>]\n"
" [-s <system-bus-connection-name>]", argv[0]);
fprintf (stderr,
"\n"
"Options:\n"
" -u, --user Username or user id\n"
" -s, --system-bus-unique-name Unique system bus connection name\n"
" -r, --resource Resource\n"
" -p, --privilege Privilege to test for\n"
" -h, --help Show this information and exit\n"
" -v, --verbose Verbose operation\n"
" -V, --version Print version number\n"
"\n"
"Queries system policy whether a given user is allowed for a given\n"
"privilege for a given resource. The resource may be omitted.\n"
"\n");
}
int
main (int argc, char *argv[])
{
int rc;
char *user = NULL;
char *privilege = NULL;
char *resource = NULL;
char *system_bus_unique_name = NULL;
static const struct option long_options[] = {
{"user", required_argument, NULL, 'u'},
{"system-bus-unique-name", required_argument, NULL, 's'},
{"resource", required_argument, NULL, 'r'},
{"privilege", required_argument, NULL, 'p'},
{"help", no_argument, NULL, 'h'},
{"verbose", no_argument, NULL, 'v'},
{"version", no_argument, NULL, 'V'},
{NULL, 0, NULL, 0}
};
LibPolKitContext *ctx = NULL;
gboolean is_allowed;
gboolean is_temporary;
LibPolKitResult result;
gboolean is_verbose = FALSE;
DBusError error;
DBusConnection *connection = NULL;
rc = 1;
while (TRUE) {
int c;
c = getopt_long (argc, argv, "u:r:p:s:hVv", long_options, NULL);
if (c == -1)
break;
switch (c) {
case 's':
system_bus_unique_name = g_strdup (optarg);
break;
case 'u':
user = g_strdup (optarg);
break;
case 'r':
resource = g_strdup (optarg);
break;
case 'p':
privilege = g_strdup (optarg);
break;
case 'v':
is_verbose = TRUE;
break;
case 'h':
usage (argc, argv);
rc = 0;
goto out;
case 'V':
printf ("polkit-is-privileged version " PACKAGE_VERSION "\n");
rc = 0;
goto out;
default:
usage (argc, argv);
goto out;
}
}
if (user == NULL || privilege == NULL) {
usage (argc, argv);
return 1;
}
if (is_verbose) {
printf ("user = '%s'\n", user);
printf ("privilege = '%s'\n", privilege);
if (resource != NULL)
printf ("resource = '%s'\n", resource);
}
#ifdef POLKITD_ENABLED
dbus_error_init (&error);
connection = dbus_bus_get (DBUS_BUS_SYSTEM, &error);
if (connection == NULL) {
g_warning ("Cannot connect to system message bus");
return 1;
}
#endif /* POLKITD_ENABLED */
ctx = libpolkit_new_context (connection);
if (ctx == NULL) {
g_warning ("Cannot get libpolkit context");
goto out;
}
result = libpolkit_is_uid_allowed_for_privilege (ctx,
system_bus_unique_name,
user,
privilege,
resource,
&is_allowed,
&is_temporary,
NULL);
switch (result) {
case LIBPOLKIT_RESULT_OK:
rc = is_allowed ? 0 : 1;
break;
case LIBPOLKIT_RESULT_ERROR:
g_warning ("Error determing whether user is privileged.");
break;
case LIBPOLKIT_RESULT_INVALID_CONTEXT:
g_print ("Invalid context.\n");
goto out;
case LIBPOLKIT_RESULT_NOT_PRIVILEGED:
g_print ("Not privileged.\n");
case LIBPOLKIT_RESULT_NO_SUCH_PRIVILEGE:
g_print ("No such privilege '%s'.\n", privilege);
goto out;
case LIBPOLKIT_RESULT_NO_SUCH_USER:
g_print ("No such user '%s'.\n", user);
goto out;
}
if (is_verbose) {
printf ("result %d\n", result);
printf ("is_allowed %d\n", is_allowed);
}
out:
if (ctx != NULL)
libpolkit_free_context (ctx);
return rc;
}
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