#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <unistd.h>
#include <gnutls/gnutls.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"
#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" \
+ /* 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. */