Import Upstream version 2.72.4

fuzzing/fuzz_uri_escape.c

@@ -0,0 +1,65 @@
+#include "fuzz.h"
+
+static void
+test_bytes (const guint8 *data,
+            gsize         size)
+{
+  GError *error = NULL;
+  GBytes *unescaped_bytes = NULL;
+  gchar *escaped_string = NULL;
+
+  if (size > G_MAXSSIZE)
+    return;
+
+  unescaped_bytes = g_uri_unescape_bytes ((const gchar *) data, (gssize) size, NULL, &error);
+  if (unescaped_bytes == NULL)
+    {
+      g_assert_nonnull (error);
+      g_clear_error (&error);
+      return;
+    }
+
+  escaped_string = g_uri_escape_bytes (g_bytes_get_data (unescaped_bytes, NULL),
+                                       g_bytes_get_size (unescaped_bytes),
+                                       NULL);
+  g_bytes_unref (unescaped_bytes);
+
+  if (escaped_string == NULL)
+    return;
+
+  g_free (escaped_string);
+}
+
+static void
+test_string (const guint8 *data,
+             gsize         size)
+{
+  gchar *unescaped_string = NULL;
+  gchar *escaped_string = NULL;
+
+  unescaped_string = g_uri_unescape_segment ((const gchar *) data, (const gchar *) data + size, NULL);
+  if (unescaped_string == NULL)
+    return;
+
+  escaped_string = g_uri_escape_string (unescaped_string, NULL, TRUE);
+  g_free (unescaped_string);
+
+  if (escaped_string == NULL)
+    return;
+
+  g_free (escaped_string);
+}
+
+int
+LLVMFuzzerTestOneInput (const unsigned char *data, size_t size)
+{
+  fuzz_set_logging_func ();
+
+  /* Bytes form */
+  test_bytes (data, size);
+
+  /* String form (doesn’t do %-decoding) */
+  test_string (data, size);
+
+  return 0;
+}