1 files changed, 131 insertions, 0 deletions
diff --git a/src/test/test-acl-util.c b/src/test/test-acl-util.c
new file mode 100644
index 0000000..8e4fa69
--- /dev/null
+++ b/src/test/test-acl-util.c
@@ -0,0 +1,131 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <fcntl.h>
+#include <stdlib.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+#include "acl-util.h"
+#include "errno-util.h"
+#include "fd-util.h"
+#include "fs-util.h"
+#include "format-util.h"
+#include "string-util.h"
+#include "tests.h"
+#include "tmpfile-util.h"
+#include "user-util.h"
+
+TEST_RET(add_acls_for_user) {
+        char fn[] = "/tmp/test-empty.XXXXXX";
+        _cleanup_close_ int fd = -1;
+        char *cmd;
+        uid_t uid;
+        int r;
+
+        fd = mkostemp_safe(fn);
+        assert_se(fd >= 0);
+
+        /* Use the mode that user journal files use */
+        assert_se(fchmod(fd, 0640) == 0);
+
+        cmd = strjoina("ls -l ", fn);
+        assert_se(system(cmd) == 0);
+
+        cmd = strjoina("getfacl -p ", fn);
+        assert_se(system(cmd) == 0);
+
+        if (getuid() == 0) {
+                const char *nobody = NOBODY_USER_NAME;
+                r = get_user_creds(&nobody, &uid, NULL, NULL, NULL, 0);
+                if (r < 0)
+                        uid = 0;
+        } else
+                uid = getuid();
+
+        r = fd_add_uid_acl_permission(fd, uid, ACL_READ);
+        if (ERRNO_IS_NOT_SUPPORTED(r))
+                return log_tests_skipped("no ACL support on /tmp");
+
+        log_info_errno(r, "fd_add_uid_acl_permission(%i, "UID_FMT", ACL_READ): %m", fd, uid);
+        assert_se(r >= 0);
+
+        cmd = strjoina("ls -l ", fn);
+        assert_se(system(cmd) == 0);
+
+        cmd = strjoina("getfacl -p ", fn);
+        assert_se(system(cmd) == 0);
+
+        /* set the acls again */
+
+        r = fd_add_uid_acl_permission(fd, uid, ACL_READ);
+        assert_se(r >= 0);
+
+        cmd = strjoina("ls -l ", fn);
+        assert_se(system(cmd) == 0);
+
+        cmd = strjoina("getfacl -p ", fn);
+        assert_se(system(cmd) == 0);
+
+        (void) unlink(fn);
+        return 0;
+}
+
+TEST(fd_acl_make_read_only) {
+        _cleanup_(unlink_tempfilep) char fn[] = "/tmp/test-empty.XXXXXX";
+        _cleanup_close_ int fd = -EBADF;
+        const char *cmd;
+        struct stat st;
+
+        fd = mkostemp_safe(fn);
+        assert_se(fd >= 0);
+
+        /* make it more exciting */
+        (void) fd_add_uid_acl_permission(fd, 1, ACL_READ|ACL_WRITE|ACL_EXECUTE);
+
+        assert_se(fstat(fd, &st) >= 0);
+        assert_se((st.st_mode & 0200) == 0200);
+
+        cmd = strjoina("getfacl -p ", fn);
+        assert_se(system(cmd) == 0);
+
+        cmd = strjoina("stat ", fn);
+        assert_se(system(cmd) == 0);
+
+        log_info("read-only");
+        assert_se(fd_acl_make_read_only(fd));
+
+        assert_se(fstat(fd, &st) >= 0);
+        assert_se((st.st_mode & 0222) == 0000);
+
+        cmd = strjoina("getfacl -p ", fn);
+        assert_se(system(cmd) == 0);
+
+        cmd = strjoina("stat ", fn);
+        assert_se(system(cmd) == 0);
+
+        log_info("writable");
+        assert_se(fd_acl_make_writable(fd));
+
+        assert_se(fstat(fd, &st) >= 0);
+        assert_se((st.st_mode & 0222) == 0200);
+
+        cmd = strjoina("getfacl -p ", fn);
+        assert_se(system(cmd) == 0);
+
+        cmd = strjoina("stat ", fn);
+        assert_se(system(cmd) == 0);
+
+        log_info("read-only");
+        assert_se(fd_acl_make_read_only(fd));
+
+        assert_se(fstat(fd, &st) >= 0);
+        assert_se((st.st_mode & 0222) == 0000);
+
+        cmd = strjoina("getfacl -p ", fn);
+        assert_se(system(cmd) == 0);
+
+        cmd = strjoina("stat ", fn);
+        assert_se(system(cmd) == 0);
+}
+
+DEFINE_TEST_MAIN(LOG_INFO);