1 files changed, 129 insertions, 0 deletions
diff --git a/src/test/test-xattr-util.c b/src/test/test-xattr-util.c
new file mode 100644
index 0000000..85901c9
--- /dev/null
+++ b/src/test/test-xattr-util.c
@@ -0,0 +1,129 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <sys/types.h>
+#include <sys/xattr.h>
+#include <unistd.h>
+
+#include "alloc-util.h"
+#include "fd-util.h"
+#include "fs-util.h"
+#include "macro.h"
+#include "rm-rf.h"
+#include "string-util.h"
+#include "tests.h"
+#include "tmpfile-util.h"
+#include "xattr-util.h"
+
+TEST(getxattr_at_malloc) {
+        _cleanup_(rm_rf_physical_and_freep) char *t = NULL;
+        _cleanup_free_ char *value = NULL;
+        _cleanup_close_ int fd = -EBADF;
+        const char *x;
+        int r;
+
+        fd = mkdtemp_open("/var/tmp/test-xattrtestXXXXXX", O_RDONLY|O_NOCTTY, &t);
+        assert_se(fd >= 0);
+        x = strjoina(t, "/test");
+        assert_se(touch(x) >= 0);
+
+        r = setxattr(x, "user.foo", "bar", 3, 0);
+        if (r < 0 && ERRNO_IS_NOT_SUPPORTED(errno))
+                return (void) log_tests_skipped_errno(errno, "no xattrs supported on /var/tmp");
+        assert_se(r >= 0);
+
+        assert_se(getxattr_at_malloc(fd, "test", "user.foo", 0, &value) == 3);
+        assert_se(memcmp(value, "bar", 3) == 0);
+        value = mfree(value);
+
+        assert_se(getxattr_at_malloc(AT_FDCWD, x, "user.foo", 0, &value) == 3);
+        assert_se(memcmp(value, "bar", 3) == 0);
+        value = mfree(value);
+
+        safe_close(fd);
+        fd = open("/", O_RDONLY|O_DIRECTORY|O_CLOEXEC|O_NOCTTY);
+        assert_se(fd >= 0);
+        r = getxattr_at_malloc(fd, "usr", "user.idontexist", 0, &value);
+        assert_se(r < 0 && ERRNO_IS_XATTR_ABSENT(r));
+
+        safe_close(fd);
+        fd = open(x, O_PATH|O_CLOEXEC);
+        assert_se(fd >= 0);
+        assert_se(getxattr_at_malloc(fd, NULL, "user.foo", 0, &value) == 3);
+        assert_se(streq(value, "bar"));
+}
+
+TEST(getcrtime) {
+        _cleanup_(rm_rf_physical_and_freep) char *t = NULL;
+        _cleanup_close_ int fd = -EBADF;
+        usec_t usec, k;
+        int r;
+
+        fd = mkdtemp_open("/var/tmp/test-xattrtestXXXXXX", 0, &t);
+        assert_se(fd >= 0);
+
+        r = fd_getcrtime(fd, &usec);
+        if (r < 0)
+                log_debug_errno(r, "btime: %m");
+        else
+                log_debug("btime: %s", FORMAT_TIMESTAMP(usec));
+
+        k = now(CLOCK_REALTIME);
+
+        r = fd_setcrtime(fd, 1519126446UL * USEC_PER_SEC);
+        if (!IN_SET(r, -EOPNOTSUPP, -ENOTTY)) {
+                assert_se(fd_getcrtime(fd, &usec) >= 0);
+                assert_se(k < 1519126446UL * USEC_PER_SEC ||
+                          usec == 1519126446UL * USEC_PER_SEC);
+        }
+}
+
+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);