1 /* $OpenBSD: compat.h,v 1.46 2015/01/19 20:20:20 markus Exp $ */
2 
3 /*
4  * Copyright (c) 1999, 2000, 2001 Markus Friedl.  All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  */
26 
27 #ifndef COMPAT_H
28 #define COMPAT_H
29 
30 #define	SSH_PROTO_UNKNOWN	0x00
31 #define	SSH_PROTO_1		0x01
32 #define	SSH_PROTO_1_PREFERRED	0x02
33 #define	SSH_PROTO_2		0x04
34 
35 #define SSH_BUG_SIGBLOB		0x00000001
36 #define SSH_BUG_PKSERVICE	0x00000002
37 #define SSH_BUG_HMAC		0x00000004
38 #define SSH_BUG_X11FWD		0x00000008
39 #define SSH_OLD_SESSIONID	0x00000010
40 #define SSH_BUG_PKAUTH		0x00000020
41 #define SSH_BUG_DEBUG		0x00000040
42 #define SSH_BUG_BANNER		0x00000080
43 #define SSH_BUG_IGNOREMSG	0x00000100
44 #define SSH_BUG_PKOK		0x00000200
45 #define SSH_BUG_PASSWORDPAD	0x00000400
46 #define SSH_BUG_SCANNER		0x00000800
47 #define SSH_BUG_BIGENDIANAES	0x00001000
48 #define SSH_BUG_RSASIGMD5	0x00002000
49 #define SSH_OLD_DHGEX		0x00004000
50 #define SSH_BUG_NOREKEY		0x00008000
51 #define SSH_BUG_HBSERVICE	0x00010000
52 #define SSH_BUG_OPENFAILURE	0x00020000
53 #define SSH_BUG_DERIVEKEY	0x00040000
54 #define SSH_BUG_DUMMYCHAN	0x00100000
55 #define SSH_BUG_EXTEOF		0x00200000
56 #define SSH_BUG_PROBE		0x00400000
57 #define SSH_BUG_FIRSTKEX	0x00800000
58 #define SSH_OLD_FORWARD_ADDR	0x01000000
59 #define SSH_BUG_RFWD_ADDR	0x02000000
60 #define SSH_NEW_OPENSSH		0x04000000
61 #define SSH_BUG_DYNAMIC_RPORT	0x08000000
62 #define SSH_BUG_CURVE25519PAD	0x10000000
63 
64 void     enable_compat13(void);
65 void     enable_compat20(void);
66 u_int    compat_datafellows(const char *);
67 int	 proto_spec(const char *);
68 char	*compat_cipher_proposal(char *);
69 char	*compat_pkalg_proposal(char *);
70 char	*compat_kex_proposal(char *);
71 
72 extern int compat13;
73 extern int compat20;
74 extern int datafellows;
75 #endif
76