Add fuzzing of utility functions

[project/cgi-io.git] / tests / fuzz / test-fuzz.c

diff --git a/tests/fuzz/test-fuzz.c b/tests/fuzz/test-fuzz.c
new file mode 100644 (file)
index 0000000..a62c326
--- /dev/null
+++ b/tests/fuzz/test-fuzz.c
@@ -0,0 +1,43 @@
+#define _GNU_SOURCE
+#include <stdio.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include <string.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <unistd.h>
+
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include "util.h"
+
+static void fuzz_parse_command(const char *buf)
+{
+       char **p = parse_command(buf);
+       if (p)
+               free(p);
+}
+
+int LLVMFuzzerTestOneInput(const uint8_t *input, size_t size)
+{
+       char *p = NULL;
+       char *fields[] = { "sessionid", NULL, "path", NULL, "filename", NULL, "mimetype", NULL };
+       char *buf = calloc(1, size+1);
+       memcpy(buf, input, size);
+
+       urldecode(buf);
+       fuzz_parse_command(buf);
+       p = canonicalize_path(buf, size+1);
+       if (p)
+               free(p);
+
+       p = postdecode_fields(buf, size+1, fields, 4);
+       if (!p)
+               return 0;
+
+       free(buf);
+
+       return 0;
+}