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-rw-r--r--socks.h78
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diff --git a/socks.h b/socks.h
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+/*
+ * 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;
+ char authfile[256];
+};
+
+void socks_adjust_frame_parameters (struct frame *frame, int proto);
+
+struct socks_proxy_info *socks_proxy_new (const char *server,
+ int port,
+ const char *authfile,
+ 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