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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include <errno.h>
#include <stdlib.h>
#include <unistd.h>
#include "log.h"
#include "namespace.h"
#include "tests.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 * const exec[] = {
"/lib",
"/usr",
"-/lib64",
"-/usr/lib64",
NULL
};
const char * const no_exec[] = {
"/var",
NULL
};
const char *inaccessible[] = {
"/home/lennart/projects",
NULL
};
static const BindMount bind_mount = {
.source = (char*) "/usr/bin",
.destination = (char*) "/etc/systemd",
.read_only = true,
};
static const TemporaryFileSystem tmpfs = {
.path = (char*) "/var",
.options = (char*) "ro",
};
char *root_directory;
char *projects_directory;
int r;
char tmp_dir[] = "/tmp/systemd-private-XXXXXX",
var_tmp_dir[] = "/var/tmp/systemd-private-XXXXXX";
test_setup_logging(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");
NamespaceParameters p = {
.runtime_scope = RUNTIME_SCOPE_SYSTEM,
.root_directory = root_directory,
.read_write_paths = (char**) writable,
.read_only_paths = (char**) readonly,
.inaccessible_paths = (char**) inaccessible,
.exec_paths = (char**) exec,
.no_exec_paths = (char**) no_exec,
.tmp_dir = tmp_dir,
.var_tmp_dir = var_tmp_dir,
.bind_mounts = &bind_mount,
.n_bind_mounts = 1,
.temporary_filesystems = &tmpfs,
.n_temporary_filesystems = 1,
.private_dev = true,
.protect_control_groups = true,
.protect_kernel_tunables = true,
.protect_kernel_modules = true,
.protect_proc = PROTECT_PROC_NOACCESS,
.proc_subset = PROC_SUBSET_PID,
};
r = setup_namespace(&p, NULL);
if (r < 0) {
log_error_errno(r, "Failed to set up 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;
}
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