1 files changed, 26 insertions, 0 deletions
diff --git a/mitmproxy/libmproxy/contrib/tls/utils.py b/mitmproxy/libmproxy/contrib/tls/utils.py
new file mode 100644
index 00000000..4c917303
--- /dev/null
+++ b/mitmproxy/libmproxy/contrib/tls/utils.py
@@ -0,0 +1,26 @@
+# This file is dual licensed under the terms of the Apache License, Version
+# 2.0, and the BSD License. See the LICENSE file in the root of this repository
+# for complete details.
+
+from __future__ import absolute_import, division, print_function
+
+import construct
+
+import six
+
+
+class _UBInt24(construct.Adapter):
+    def _encode(self, obj, context):
+        return (
+            six.int2byte((obj & 0xFF0000) >> 16) +
+            six.int2byte((obj & 0x00FF00) >> 8) +
+            six.int2byte(obj & 0x0000FF)
+        )
+
+    def _decode(self, obj, context):
+        obj = bytearray(obj)
+        return (obj[0] << 16 | obj[1] << 8 | obj[2])
+
+
+def UBInt24(name):  # noqa
+    return _UBInt24(construct.Bytes(name, 3))