/*** 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 Lesser General Public License as published by the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with systemd; If not, see <http://www.gnu.org/licenses/>. ***/ #include <stdlib.h> #include <unistd.h> #include "log.h" #include "namespace.h" int main(int argc, char *argv[]) { const char * const writable[] = { "/home", "-/home/lennart/projects/foobar", /* this should be masked automatically */ NULL }; const char * const readonly[] = { /* "/", */ /* "/usr", */ "/boot", "/lib", "/usr/lib", "-/lib64", "-/usr/lib64", NULL }; const char *inaccessible[] = { "/home/lennart/projects", NULL }; static const NameSpaceInfo ns_info = { .private_dev = true, .protect_control_groups = true, .protect_kernel_tunables = true, .protect_kernel_modules = true, }; char *root_directory; char *projects_directory; int r; char tmp_dir[] = "/tmp/systemd-private-XXXXXX", var_tmp_dir[] = "/var/tmp/systemd-private-XXXXXX"; log_set_max_level(LOG_DEBUG); assert_se(mkdtemp(tmp_dir)); assert_se(mkdtemp(var_tmp_dir)); root_directory = getenv("TEST_NS_CHROOT"); projects_directory = getenv("TEST_NS_PROJECTS"); if (projects_directory) inaccessible[0] = projects_directory; log_info("Inaccessible directory: '%s'", inaccessible[0]); if (root_directory) log_info("Chroot: '%s'", root_directory); else log_info("Not chrooted"); r = setup_namespace(root_directory, NULL, &ns_info, (char **) writable, (char **) readonly, (char **) inaccessible, &(BindMount) { .source = (char*) "/usr/bin", .destination = (char*) "/etc/systemd", .read_only = true }, 1, tmp_dir, var_tmp_dir, PROTECT_HOME_NO, PROTECT_SYSTEM_NO, 0, 0); if (r < 0) { log_error_errno(r, "Failed to setup namespace: %m"); log_info("Usage:\n" " sudo TEST_NS_PROJECTS=/home/lennart/projects ./test-ns\n" " sudo TEST_NS_CHROOT=/home/alban/debian-tree TEST_NS_PROJECTS=/home/alban/debian-tree/home/alban/Documents ./test-ns"); return 1; } execl("/bin/sh", "/bin/sh", NULL); log_error_errno(errno, "execl(): %m"); return 1; }