From c8d2876f2340cd751f81b0c187dd0e97c97447cc Mon Sep 17 00:00:00 2001
From: Maximilian Hils <git@maximilianhils.com>
Date: Mon, 8 Feb 2016 00:44:38 +0100
Subject: raise error if --http2 is specified, but the OpenSSL version doesn't
 support it

---
 libmproxy/proxy/config.py | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'libmproxy/proxy')

diff --git a/libmproxy/proxy/config.py b/libmproxy/proxy/config.py
index bf765d81..a635ab19 100644
--- a/libmproxy/proxy/config.py
+++ b/libmproxy/proxy/config.py
@@ -180,6 +180,9 @@ def process_proxy_options(parser, options):
             parser.error("Certificate file does not exist: %s" % parts[1])
         certs.append(parts)
 
+    if options.http2 and not tcp.HAS_ALPN:
+        raise RuntimeError("HTTP2 support requires OpenSSL 1.0.2 or above.")
+
     return ProxyConfig(
         host=options.addr,
         port=options.port,
-- 
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