1 files changed, 76 insertions, 0 deletions
diff --git a/socks.h b/socks.h
new file mode 100644
index 0000000..702aa06
--- /dev/null
+++ b/socks.h
@@ -0,0 +1,76 @@
+/*
+ *  OpenVPN -- An application to securely tunnel IP networks
+ *             over a single TCP/UDP port, with support for SSL/TLS-based
+ *             session authentication and key exchange,
+ *             packet encryption, packet authentication, and
+ *             packet compression.
+ *
+ *  Copyright (C) 2002-2010 OpenVPN Technologies, Inc. <sales@openvpn.net>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2
+ *  as published by the Free Software Foundation.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program (see the file COPYING included with this
+ *  distribution); if not, write to the Free Software Foundation, Inc.,
+ *  59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+/*
+ * 2004-01-30: Added Socks5 proxy support
+ *   (Christof Meerwald, http://cmeerw.org)
+ */
+
+#ifndef SOCKS_H
+#define SOCKS_H
+
+#ifdef ENABLE_SOCKS
+
+#include "buffer.h"
+
+struct openvpn_sockaddr;
+struct link_socket_actual;
+
+struct socks_proxy_info {
+  bool defined;
+  bool retry;
+
+  char server[128];
+  int port;
+};
+
+void socks_adjust_frame_parameters (struct frame *frame, int proto);
+
+struct socks_proxy_info *socks_proxy_new (const char *server,
+					  int port,
+					  bool retry,
+					  struct auto_proxy_info *auto_proxy_info);
+
+void socks_proxy_close (struct socks_proxy_info *sp);
+
+void establish_socks_proxy_passthru (struct socks_proxy_info *p,
+				     socket_descriptor_t sd, /* already open to proxy */
+				     const char *host,       /* openvpn server remote */
+				     const int port,         /* openvpn server port */
+				     volatile int *signal_received);
+
+void establish_socks_proxy_udpassoc (struct socks_proxy_info *p,
+				     socket_descriptor_t ctrl_sd, /* already open to proxy */
+				     socket_descriptor_t udp_sd,
+				     struct openvpn_sockaddr *relay_addr,
+				     volatile int *signal_received);
+
+void socks_process_incoming_udp (struct buffer *buf,
+				struct link_socket_actual *from);
+
+int socks_process_outgoing_udp (struct buffer *buf,
+				const struct link_socket_actual *to);
+
+#endif
+#endif