Mercurial > dropbear
annotate tcpfwd.h @ 447:278805938dcf
Patch from Nicolai Ehemann to try binding before going to the background,
so that if it exits early (because something's already listening etc)
then it will return an exitcode of 1.
| author | Matt Johnston <matt@ucc.asn.au> |
|---|---|
| date | Thu, 19 Jul 2007 15:54:18 +0000 |
| parents | c049490e43fe |
| children | 52a644e7b8e1 |
| rev | line source |
|---|---|
| 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. */ | |
| 24 #ifndef _TCPFWD_H | |
| 25 #define _TCPFWD_H | |
| 26 | |
| 27 #include "channel.h" | |
| 28 | |
| 29 struct TCPListener { | |
| 30 | |
|
258
306499676384
* add -g (dbclient) and -a (dropbear) options for allowing non-local
Matt Johnston <matt@ucc.asn.au>
parents:
108
diff
changeset
|
31 /* For a direct-tcpip request, it's the addr/port we want the other |
| 64 | 32 * end to connect to */ |
| 33 unsigned char *sendaddr; | |
| 34 unsigned int sendport; | |
| 35 | |
|
258
306499676384
* add -g (dbclient) and -a (dropbear) options for allowing non-local
Matt Johnston <matt@ucc.asn.au>
parents:
108
diff
changeset
|
36 /* This is the address/port that we listen on. The address has special |
|
306499676384
* add -g (dbclient) and -a (dropbear) options for allowing non-local
Matt Johnston <matt@ucc.asn.au>
parents:
108
diff
changeset
|
37 * meanings as per the rfc, "" for all interfaces, "localhost" for |
|
306499676384
* add -g (dbclient) and -a (dropbear) options for allowing non-local
Matt Johnston <matt@ucc.asn.au>
parents:
108
diff
changeset
|
38 * localhost, or a normal interface name. */ |
|
306499676384
* add -g (dbclient) and -a (dropbear) options for allowing non-local
Matt Johnston <matt@ucc.asn.au>
parents:
108
diff
changeset
|
39 unsigned char *listenaddr; |
| 64 | 40 unsigned int listenport; |
| 41 | |
| 42 const struct ChanType *chantype; | |
|
259
c049490e43fe
* fix -L forwarding on the client, broke last rev
Matt Johnston <matt@ucc.asn.au>
parents:
258
diff
changeset
|
43 enum {direct, forwarded} tcp_type; |
| 64 | 44 }; |
| 45 | |
| 46 /* A link in a list of forwards */ | |
| 47 struct TCPFwdList { | |
| 48 | |
|
108
10f4d3319780
- added circular buffering for channels
Matt Johnston <matt@ucc.asn.au>
parents:
64
diff
changeset
|
49 const unsigned char* connectaddr; |
| 64 | 50 unsigned int connectport; |
| 51 unsigned int listenport; | |
| 52 struct TCPFwdList * next; | |
| 53 | |
| 54 }; | |
| 55 | |
| 56 /* Server */ | |
| 57 void recv_msg_global_request_remotetcp(); | |
| 58 extern const struct ChanType svr_chan_tcpdirect; | |
| 59 | |
| 60 /* Client */ | |
| 61 void setup_localtcp(); | |
|
108
10f4d3319780
- added circular buffering for channels
Matt Johnston <matt@ucc.asn.au>
parents:
64
diff
changeset
|
62 void setup_remotetcp(); |
| 64 | 63 extern const struct ChanType cli_chan_tcpremote; |
| 64 | |
| 65 /* Common */ | |
| 66 int listen_tcpfwd(struct TCPListener* tcpinfo); | |
| 67 | |
| 68 | |
| 69 #endif |