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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 /* sendaddr/sendport are what we send in the channel init request. For a |
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32 * forwarded-tcpip request, it's the addr/port we were binding to. |
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33 * For a direct-tcpip request, it's the addr/port we want the other |
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34 * end to connect to */ |
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35 |
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36 unsigned char *sendaddr; |
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37 unsigned int sendport; |
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38 |
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39 /* This is for direct-tcpip (ie the client listening), and specifies the |
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40 * port to listen on. Is unspecified for the server */ |
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41 unsigned int listenport; |
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42 |
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43 const struct ChanType *chantype; |
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44 |
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45 }; |
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46 |
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47 /* A link in a list of forwards */ |
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48 struct TCPFwdList { |
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49 |
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50 char* connectaddr; |
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51 unsigned int connectport; |
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52 unsigned int listenport; |
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53 struct TCPFwdList * next; |
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54 |
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55 }; |
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56 |
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57 /* Server */ |
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58 void recv_msg_global_request_remotetcp(); |
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59 extern const struct ChanType svr_chan_tcpdirect; |
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60 |
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61 /* Client */ |
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62 void setup_localtcp(); |
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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 |
