Mercurial > dropbear
annotate tcpfwd.h @ 1938:77bc00dcc19f default tip main master
Bump version to 2022.82
author | Matt Johnston <matt@ucc.asn.au> |
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date | Fri, 01 Apr 2022 14:43:27 +0800 |
parents | 1d86a58fb52d |
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rev | line source |
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64 | 1 /* |
2 * Dropbear - a SSH2 server | |
3 * | |
4 * Copyright (c) 2002,2003 Matt Johnston | |
5 * All rights reserved. | |
6 * | |
7 * Permission is hereby granted, free of charge, to any person obtaining a copy | |
8 * of this software and associated documentation files (the "Software"), to deal | |
9 * in the Software without restriction, including without limitation the rights | |
10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
11 * copies of the Software, and to permit persons to whom the Software is | |
12 * furnished to do so, subject to the following conditions: | |
13 * | |
14 * The above copyright notice and this permission notice shall be included in | |
15 * all copies or substantial portions of the Software. | |
16 * | |
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
20 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
23 * SOFTWARE. */ | |
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24 #ifndef DROPBEAR_TCPFWD_H |
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25 #define DROPBEAR_TCPFWD_H |
64 | 26 |
27 #include "channel.h" | |
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28 #include "list.h" |
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29 #include "listener.h" |
64 | 30 |
31 struct TCPListener { | |
32 | |
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33 /* For a direct-tcpip request, it's the addr/port we want the other |
64 | 34 * end to connect to */ |
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35 char *sendaddr; |
64 | 36 unsigned int sendport; |
37 | |
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38 /* This is the address/port that we listen on. The address has special |
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39 * meanings as per the rfc, "" for all interfaces, "localhost" for |
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40 * localhost, or a normal interface name. */ |
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41 char *listenaddr; |
64 | 42 unsigned int listenport; |
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43 /* The address that the remote host asked to listen on */ |
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44 char *request_listenaddr; |
64 | 45 |
46 const struct ChanType *chantype; | |
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47 enum {direct, forwarded} tcp_type; |
64 | 48 }; |
49 | |
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50 /* A forwarding entry */ |
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51 struct TCPFwdEntry { |
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52 const char *connectaddr; |
64 | 53 unsigned int connectport; |
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54 const char *listenaddr; |
64 | 55 unsigned int listenport; |
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56 unsigned int have_reply; /* is set to 1 after a reply has been received |
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57 when setting up the forwarding */ |
64 | 58 }; |
59 | |
60 /* Server */ | |
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61 void recv_msg_global_request_remotetcp(void); |
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62 |
64 | 63 extern const struct ChanType svr_chan_tcpdirect; |
64 | |
65 /* Client */ | |
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66 void setup_localtcp(void); |
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67 void setup_remotetcp(void); |
64 | 68 extern const struct ChanType cli_chan_tcpremote; |
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69 void cli_recv_msg_request_success(void); |
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70 void cli_recv_msg_request_failure(void); |
64 | 71 |
72 /* Common */ | |
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73 int listen_tcpfwd(struct TCPListener* tcpinfo, struct Listener **ret_listener); |
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74 |
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75 /* A random identifier */ |
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76 #define CHANNEL_ID_TCPFORWARDED 0x43612c67 |
64 | 77 |
78 #endif |