1 files changed, 39 insertions, 0 deletions
diff --git a/src/xdg-autostart-generator/fuzz-xdg-desktop.c b/src/xdg-autostart-generator/fuzz-xdg-desktop.c
new file mode 100644
index 0000000..084c907
--- /dev/null
+++ b/src/xdg-autostart-generator/fuzz-xdg-desktop.c
@@ -0,0 +1,39 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include "alloc-util.h"
+#include "fd-util.h"
+#include "fs-util.h"
+#include "fuzz.h"
+#include "rm-rf.h"
+#include "string-util.h"
+#include "strv.h"
+#include "tests.h"
+#include "tmpfile-util.h"
+#include "xdg-autostart-service.h"
+
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+        _cleanup_(unlink_tempfilep) char name[] = "/tmp/fuzz-xdg-desktop.XXXXXX";
+        _cleanup_close_ int fd = -1;
+        _cleanup_(xdg_autostart_service_freep) XdgAutostartService *service = NULL;
+        _cleanup_(rm_rf_physical_and_freep) char *tmpdir = NULL;
+
+        if (outside_size_range(size, 0, 65536))
+                return 0;
+
+        /* We don't want to fill the logs with messages about parse errors.
+         * Disable most logging if not running standalone */
+        if (!getenv("SYSTEMD_LOG_LEVEL"))
+                log_set_max_level(LOG_CRIT);
+
+        assert_se(mkdtemp_malloc("/tmp/fuzz-xdg-desktop-XXXXXX", &tmpdir) >= 0);
+
+        fd = mkostemp_safe(name);
+        assert_se(fd >= 0);
+        assert_se(write(fd, data, size) == (ssize_t) size);
+
+        assert_se(service = xdg_autostart_service_parse_desktop(name));
+        assert_se(service->name = strdup("fuzz-xdg-desktop.service"));
+        (void) xdg_autostart_service_generate_unit(service, tmpdir);
+
+        return 0;
+}