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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"
#include "list.h"
struct TCPListener {
/* 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 the address/port that we listen on. The address has special
* meanings as per the rfc, "" for all interfaces, "localhost" for
* localhost, or a normal interface name. */
unsigned char *listenaddr;
unsigned int listenport;
/* The address that the remote host asked to listen on */
unsigned char *request_listenaddr;
const struct ChanType *chantype;
enum {direct, forwarded} tcp_type;
};
/* A forwarding entry */
struct TCPFwdEntry {
const unsigned char* connectaddr;
unsigned int connectport;
const unsigned char* listenaddr;
unsigned int listenport;
unsigned int have_reply; /* is set to 1 after a reply has been received
when setting up the forwarding */
};
/* Server */
void recv_msg_global_request_remotetcp();
extern const struct ChanType svr_chan_tcpdirect;
/* Client */
void setup_localtcp();
void setup_remotetcp();
extern const struct ChanType cli_chan_tcpremote;
void cli_recv_msg_request_success();
void cli_recv_msg_request_failure();
/* Common */
int listen_tcpfwd(struct TCPListener* tcpinfo);
#endif
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