test: add tests for xsetxattr()

[thirdparty/systemd.git] / src / test / test-xattr-util.c

diff --git a/src/test/test-xattr-util.c b/src/test/test-xattr-util.c
index 2d2d464eccb9cb56693c3f0faeb601d7ace9e15e..85901c9a49b45ecae56cff62e7c3089f1be6e949 100644 (file)
--- a/src/test/test-xattr-util.c
+++ b/src/test/test-xattr-util.c
@@ -79,4 +79,51 @@ TEST(getcrtime) {
         }
 }
 
+static void verify_xattr(int dfd, const char *expected) {
+        _cleanup_free_ char *value = NULL;
+
+        assert_se(getxattr_at_malloc(dfd, "test", "user.foo", 0, &value) == (int) strlen(expected));
+        assert_se(streq(value, expected));
+}
+
+TEST(xsetxattr) {
+        _cleanup_(rm_rf_physical_and_freep) char *t = NULL;
+        _cleanup_close_ int dfd = -EBADF, fd = -EBADF;
+        const char *x;
+        int r;
+
+        dfd = mkdtemp_open("/var/tmp/test-xattrtestXXXXXX", O_PATH, &t);
+        assert_se(dfd >= 0);
+        x = strjoina(t, "/test");
+        assert_se(touch(x) >= 0);
+
+        /* by full path */
+        r = xsetxattr(AT_FDCWD, x, "user.foo", "fullpath", SIZE_MAX, 0);
+        if (r < 0 && ERRNO_IS_NOT_SUPPORTED(r))
+                return (void) log_tests_skipped_errno(r, "no xattrs supported on /var/tmp");
+        assert_se(r >= 0);
+        verify_xattr(dfd, "fullpath");
+
+        /* by dirfd */
+        assert_se(xsetxattr(dfd, "test", "user.foo", "dirfd", SIZE_MAX, 0) >= 0);
+        verify_xattr(dfd, "dirfd");
+
+        /* by fd (O_PATH) */
+        fd = openat(dfd, "test", O_PATH|O_CLOEXEC);
+        assert_se(fd >= 0);
+        assert_se(xsetxattr(fd, NULL, "user.foo", "fd_opath", SIZE_MAX, 0) >= 0);
+        verify_xattr(dfd, "fd_opath");
+        assert_se(xsetxattr(fd, "", "user.foo", "fd_opath", SIZE_MAX, 0) == -EINVAL);
+        assert_se(xsetxattr(fd, "", "user.foo", "fd_opath_empty", SIZE_MAX, AT_EMPTY_PATH) >= 0);
+        verify_xattr(dfd, "fd_opath_empty");
+        fd = safe_close(fd);
+
+        fd = openat(dfd, "test", O_RDONLY|O_CLOEXEC);
+        assert_se(xsetxattr(fd, NULL, "user.foo", "fd_regular", SIZE_MAX, 0) >= 0);
+        verify_xattr(dfd, "fd_regular");
+        assert_se(xsetxattr(fd, "", "user.foo", "fd_regular_empty", SIZE_MAX, 0) == -EINVAL);
+        assert_se(xsetxattr(fd, "", "user.foo", "fd_regular_empty", SIZE_MAX, AT_EMPTY_PATH) >= 0);
+        verify_xattr(dfd, "fd_regular_empty");
+}
+
 DEFINE_TEST_MAIN(LOG_DEBUG);