/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ /*** This file is part of systemd. Copyright 2010 Lennart Poettering systemd 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. systemd 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 systemd; If not, see <http://www.gnu.org/licenses/>. ***/ #include <stdlib.h> #include <string.h> #include <unistd.h> #include <sys/mount.h> #include <linux/fs.h> #include "namespace.h" #include "log.h" int main(int argc, char *argv[]) { const char * const writable[] = { "/home", NULL }; const char * const readable[] = { "/", "/usr", "/boot", NULL }; const char * const inaccessible[] = { "/home/lennart/projects", NULL }; int r; if ((r = setup_namespace((char**) writable, (char**) readable, (char**) inaccessible, true, MS_SHARED)) < 0) { log_error("Failed to setup namespace: %s", strerror(-r)); return 1; } execl("/bin/sh", "/bin/sh", NULL); log_error("execl(): %m"); return 1; }