1 files changed, 45 insertions, 0 deletions
diff --git a/src/fuzz/fuzz-main.c b/src/fuzz/fuzz-main.c
new file mode 100644
index 0000000..2df2993
--- /dev/null
+++ b/src/fuzz/fuzz-main.c
@@ -0,0 +1,45 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include "alloc-util.h"
+#include "log.h"
+#include "fileio.h"
+#include "fuzz.h"
+#include "tests.h"
+
+/* This is a test driver for the systemd fuzzers that provides main function
+ * for regression testing outside of oss-fuzz (https://github.com/google/oss-fuzz)
+ *
+ * It reads files named on the command line and passes them one by one into the
+ * fuzzer that it is compiled into. */
+
+/* This one was borrowed from
+ * https://github.com/google/oss-fuzz/blob/646fca1b506b056db3a60d32c4a1a7398f171c94/infra/base-images/base-runner/bad_build_check#L19
+ */
+#define MIN_NUMBER_OF_RUNS 4
+
+int main(int argc, char **argv) {
+        int i, r;
+        size_t size;
+        char *name;
+
+        test_setup_logging(LOG_DEBUG);
+
+        for (i = 1; i < argc; i++) {
+                _cleanup_free_ char *buf = NULL;
+
+                name = argv[i];
+                r = read_full_file(name, &buf, &size);
+                if (r < 0) {
+                        log_error_errno(r, "Failed to open '%s': %m", name);
+                        return EXIT_FAILURE;
+                }
+                printf("%s... ", name);
+                fflush(stdout);
+                for (int j = 0; j < MIN_NUMBER_OF_RUNS; j++)
+                        if (LLVMFuzzerTestOneInput((uint8_t*)buf, size) == EXIT_TEST_SKIP)
+                                return EXIT_TEST_SKIP;
+                printf("ok\n");
+        }
+
+        return EXIT_SUCCESS;
+}