Mercurial > dropbear
annotate tcpfwd.h @ 533:805ae74ec024
Encrypt in-place, avoid an extra malloc
author | Matt Johnston <matt@ucc.asn.au> |
---|---|
date | Sun, 01 Mar 2009 14:38:25 +0000 |
parents | 805e557fdff7 |
children | c3f2ec71e3d4 69e98c45db7c |
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; | |
505
805e557fdff7
Report errors if a remote request fails
Matt Johnston <matt@ucc.asn.au>
parents:
475
diff
changeset
|
52 unsigned int have_reply; /* is set to 1 after a reply has been received |
805e557fdff7
Report errors if a remote request fails
Matt Johnston <matt@ucc.asn.au>
parents:
475
diff
changeset
|
53 when setting up the forwarding */ |
64 | 54 struct TCPFwdList * next; |
55 | |
56 }; | |
57 | |
58 /* Server */ | |
59 void recv_msg_global_request_remotetcp(); | |
475
52a644e7b8e1
* Patch from Frédéric Moulins adding options to authorized_keys.
Matt Johnston <matt@ucc.asn.au>
parents:
259
diff
changeset
|
60 |
64 | 61 extern const struct ChanType svr_chan_tcpdirect; |
62 | |
63 /* Client */ | |
64 void setup_localtcp(); | |
108
10f4d3319780
- added circular buffering for channels
Matt Johnston <matt@ucc.asn.au>
parents:
64
diff
changeset
|
65 void setup_remotetcp(); |
64 | 66 extern const struct ChanType cli_chan_tcpremote; |
505
805e557fdff7
Report errors if a remote request fails
Matt Johnston <matt@ucc.asn.au>
parents:
475
diff
changeset
|
67 void cli_recv_msg_request_success(); |
805e557fdff7
Report errors if a remote request fails
Matt Johnston <matt@ucc.asn.au>
parents:
475
diff
changeset
|
68 void cli_recv_msg_request_failure(); |
64 | 69 |
70 /* Common */ | |
71 int listen_tcpfwd(struct TCPListener* tcpinfo); | |
72 | |
73 | |
74 #endif |