From 55944e5e40b1be2afc4855d8d2baf4b73d1876b5 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 10 Apr 2024 22:49:52 +0200
Subject: Adding upstream version 255.4.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/test/test-ns.c | 125 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 125 insertions(+)
 create mode 100644 src/test/test-ns.c

(limited to 'src/test/test-ns.c')

diff --git a/src/test/test-ns.c b/src/test/test-ns.c
new file mode 100644
index 0000000..97b9fc9
--- /dev/null
+++ b/src/test/test-ns.c
@@ -0,0 +1,125 @@
+/* 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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