Bugzilla – Attachment #542285: described fix for bug #792095
#include <polkit/polkit.h>
#include <libfprint/fprint.h>
#include <string.h>
#include <sys/types.h>
#include <pwd.h>
#include <errno.h>
username,
&sender,
&error);
if (user == NULL) {
if (user == NULL || strstr(user, "..")) {
g_free (sender);
dbus_g_method_return_error (context, error);
g_error_free (error);