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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 15:35:18 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 15:35:18 +0000
commitb750101eb236130cf056c675997decbac904cc49 (patch)
treea5df1a06754bdd014cb975c051c83b01c9a97532 /src/test/test-ns.c
parentInitial commit. (diff)
downloadsystemd-b750101eb236130cf056c675997decbac904cc49.tar.xz
systemd-b750101eb236130cf056c675997decbac904cc49.zip
Adding upstream version 252.22.upstream/252.22upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/test-ns.c')
-rw-r--r--src/test/test-ns.c128
1 files changed, 128 insertions, 0 deletions
diff --git a/src/test/test-ns.c b/src/test/test-ns.c
new file mode 100644
index 0000000..7eb29d1
--- /dev/null
+++ b/src/test/test-ns.c
@@ -0,0 +1,128 @@
+/* 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 NamespaceInfo ns_info = {
+ .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,
+ };
+
+ 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");
+
+ r = setup_namespace(root_directory,
+ NULL,
+ NULL,
+ &ns_info,
+ (char **) writable,
+ (char **) readonly,
+ (char **) inaccessible,
+ NULL,
+ (char **) exec,
+ (char **) no_exec,
+ NULL,
+ &(BindMount) { .source = (char*) "/usr/bin", .destination = (char*) "/etc/systemd", .read_only = true }, 1,
+ &(TemporaryFileSystem) { .path = (char*) "/var", .options = (char*) "ro" }, 1,
+ NULL,
+ 0,
+ tmp_dir,
+ var_tmp_dir,
+ NULL,
+ NULL,
+ 0,
+ NULL,
+ 0,
+ NULL,
+ NULL,
+ 0,
+ NULL,
+ NULL,
+ NULL,
+ 0,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ 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;
+}