annotate tcpfwd.h @ 460:bde853a9e680

Add support for SSH_ASKPASS_ALWAYS env variable for dbclient. If it (and also SSH_ASKPASS) is set then dbclient will use an external askpass program regardless of whether DISPLAY is set or stdin is a TTY. Suggested by Davyd Madeley for handheld devices.
author Matt Johnston <matt@ucc.asn.au>
date Fri, 14 Sep 2007 00:19:44 +0000
parents c049490e43fe
children 52a644e7b8e1
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1 /*
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2 * Dropbear - a SSH2 server
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3 *
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4 * Copyright (c) 2002,2003 Matt Johnston
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5 * All rights reserved.
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6 *
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7 * Permission is hereby granted, free of charge, to any person obtaining a copy
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8 * of this software and associated documentation files (the "Software"), to deal
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9 * in the Software without restriction, including without limitation the rights
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10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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11 * copies of the Software, and to permit persons to whom the Software is
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12 * furnished to do so, subject to the following conditions:
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13 *
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14 * The above copyright notice and this permission notice shall be included in
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15 * all copies or substantial portions of the Software.
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16 *
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17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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20 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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23 * SOFTWARE. */
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24 #ifndef _TCPFWD_H
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25 #define _TCPFWD_H
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26
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27 #include "channel.h"
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28
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29 struct TCPListener {
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30
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31 /* For a direct-tcpip request, it's the addr/port we want the other
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32 * end to connect to */
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33 unsigned char *sendaddr;
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34 unsigned int sendport;
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35
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36 /* This is the address/port that we listen on. The address has special
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37 * meanings as per the rfc, "" for all interfaces, "localhost" for
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38 * localhost, or a normal interface name. */
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39 unsigned char *listenaddr;
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40 unsigned int listenport;
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41
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42 const struct ChanType *chantype;
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43 enum {direct, forwarded} tcp_type;
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44 };
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45
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46 /* A link in a list of forwards */
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47 struct TCPFwdList {
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48
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49 const unsigned char* connectaddr;
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50 unsigned int connectport;
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51 unsigned int listenport;
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52 struct TCPFwdList * next;
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53
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54 };
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55
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56 /* Server */
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57 void recv_msg_global_request_remotetcp();
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58 extern const struct ChanType svr_chan_tcpdirect;
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59
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60 /* Client */
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61 void setup_localtcp();
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62 void setup_remotetcp();
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63 extern const struct ChanType cli_chan_tcpremote;
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64
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65 /* Common */
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66 int listen_tcpfwd(struct TCPListener* tcpinfo);
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67
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68
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69 #endif