TCP forwarding works.

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+/*
+ * Dropbear - a SSH2 server
+ * 
+ * Copyright (c) 2002,2003 Matt Johnston
+ * All rights reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE. */
+#ifndef _TCPFWD_H
+#define _TCPFWD_H
+
+#include "channel.h"
+
+struct TCPListener {
+
+	/* sendaddr/sendport are what we send in the channel init request. For a 
+	 * forwarded-tcpip request, it's the addr/port we were binding to.
+	 * For a direct-tcpip request, it's the addr/port we want the other
+	 * end to connect to */
+	
+	unsigned char *sendaddr;
+	unsigned int sendport;
+
+	/* This is for direct-tcpip (ie the client listening), and specifies the
+	 * port to listen on. Is unspecified for the server */
+	unsigned int listenport;
+
+	const struct ChanType *chantype;
+
+};
+
+/* A link in a list of forwards */
+struct TCPFwdList {
+
+	char* connectaddr;
+	unsigned int connectport;
+	unsigned int listenport;
+	struct TCPFwdList * next;
+
+};
+
+/* Server */
+void recv_msg_global_request_remotetcp();
+extern const struct ChanType svr_chan_tcpdirect;
+
+/* Client */
+void setup_localtcp();
+extern const struct ChanType cli_chan_tcpremote;
+
+/* Common */
+int listen_tcpfwd(struct TCPListener* tcpinfo);
+
+
+#endif