Disable RC4.

[tlsproxy/tlsproxy.git] / src / tlsproxy.h

diff --git a/src/tlsproxy.h b/src/tlsproxy.h
index f93be4609f9573fe49b578c3227a99222eae46d9..af58ff24dfadc32ebc338fa9f1e6885b64317b70 100644 (file)
--- a/src/tlsproxy.h
+++ b/src/tlsproxy.h
@@ -1,7 +1,7 @@
 /*
  * Global variables/defines.
  *
- * Copyright (C) 2011-2013  Simon Ruderich
+ * Copyright (C) 2011-2014  Simon Ruderich
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -25,15 +25,17 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <unistd.h>
 
 #include <gnutls/gnutls.h>
 
 #include "log.h"
 
+
 /* Length for path arrays. */
 #define TLSPROXY_MAX_PATH_LENGTH 1024
 
-/* Paths to necessary TLS files: the CA, the server key and DH parameters. */
+/* Paths to proxy files: the CA, the server key and DH parameters. */
 #define PROXY_CA_PATH  "proxy-ca.pem"
 #define PROXY_KEY_PATH "proxy-key.pem"
 #define PROXY_DH_PATH  "proxy-dh.pem"
@@ -49,6 +51,20 @@
  * certificate. */
 #define STORED_SERVER_CERT_FILE_FORMAT "./certificate-%s-server.pem"
 
+/* GnuTLS priority string used for both server and client connections. */
+#define PROXY_TLS_PRIORITIES \
+    /* Don't use known insecure algorithms. */ \
+    "SECURE" \
+    /* Lower priority of SHA-1, user better hashes if possible. */ \
+    ":-SHA1:+SHA1" \
+    /* No RC4, it's broken. */ \
+    ":-ARCFOUR-40:-ARCFOUR-128" \
+    /* Force safe renegotiations. Shouldn't cause any problems as this \
+     * option only affects the server side (with GnuTLS defaults) and the \
+     * local clients most-likely already support safe renegotiations (old \
+     * servers are therefore not an issue). */ \
+    ":%SAFE_RENEGOTIATION"
+
 
 /* Proxy hostname and port if specified on the command line. */
 char *global_proxy_host;