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79 lines
2.5 KiB
C
79 lines
2.5 KiB
C
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/*
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* Dropbear - a SSH2 server
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*
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* Copyright (c) 2002,2003 Matt Johnston
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* All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE. */
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#ifndef _TCPFWD_H
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#define _TCPFWD_H
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#include "channel.h"
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#include "list.h"
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struct TCPListener {
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/* For a direct-tcpip request, it's the addr/port we want the other
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* end to connect to */
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unsigned char *sendaddr;
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unsigned int sendport;
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/* This is the address/port that we listen on. The address has special
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* meanings as per the rfc, "" for all interfaces, "localhost" for
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* localhost, or a normal interface name. */
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unsigned char *listenaddr;
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unsigned int listenport;
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/* The address that the remote host asked to listen on */
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unsigned char *request_listenaddr;
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const struct ChanType *chantype;
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enum {direct, forwarded} tcp_type;
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};
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/* A forwarding entry */
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struct TCPFwdEntry {
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const unsigned char* connectaddr;
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unsigned int connectport;
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const unsigned char* listenaddr;
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unsigned int listenport;
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unsigned int have_reply; /* is set to 1 after a reply has been received
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when setting up the forwarding */
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};
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/* Server */
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void recv_msg_global_request_remotetcp();
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extern const struct ChanType svr_chan_tcpdirect;
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/* Client */
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void setup_localtcp();
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void setup_remotetcp();
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extern const struct ChanType cli_chan_tcpremote;
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void cli_recv_msg_request_success();
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void cli_recv_msg_request_failure();
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/* Common */
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int listen_tcpfwd(struct TCPListener* tcpinfo);
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int tcp_prio_inithandler(struct Channel* chan);
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/* A random identifier */
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#define CHANNEL_ID_TCPFORWARDED 0x43612c67
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#endif
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