X-Git-Url: https://ruderich.org/simon/gitweb/?p=tlsproxy%2Ftlsproxy.git;a=blobdiff_plain;f=src%2Ftlsproxy.h;h=af58ff24dfadc32ebc338fa9f1e6885b64317b70;hp=fae7d60dec4dbfd0647b2ad5017abbf17a1ee8ad;hb=HEAD;hpb=9f7ef8fa5c5216ac2510d2b4acb3b1b5c26886d1

diff --git a/src/tlsproxy.h b/src/tlsproxy.h
index fae7d60..af58ff2 100644
--- 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
@@ -25,6 +25,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <unistd.h>
 
 #include <gnutls/gnutls.h>
 
@@ -34,7 +35,7 @@
 /* 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"
@@ -51,7 +52,18 @@
 #define STORED_SERVER_CERT_FILE_FORMAT "./certificate-%s-server.pem"
 
 /* GnuTLS priority string used for both server and client connections. */
-#define PROXY_TLS_PRIORITIES "NORMAL"
+#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. */