xref: /freebsd/crypto/openssh/hostfile.h (revision 9a14aa017b21c292740c00ee098195cd46642730)
1 /* $OpenBSD: hostfile.h,v 1.19 2010/11/29 23:45:51 djm Exp $ */
2 
3 /*
4  * Author: Tatu Ylonen <ylo@cs.hut.fi>
5  * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
6  *                    All rights reserved
7  *
8  * As far as I am concerned, the code I have written for this software
9  * can be used freely for any purpose.  Any derived versions of this
10  * software must be clearly marked as such, and if the derived work is
11  * incompatible with the protocol description in the RFC file, it must be
12  * called by a name other than "ssh" or "Secure Shell".
13  */
14 #ifndef HOSTFILE_H
15 #define HOSTFILE_H
16 
17 typedef enum {
18 	HOST_OK, HOST_NEW, HOST_CHANGED, HOST_REVOKED, HOST_FOUND
19 }       HostStatus;
20 
21 typedef enum {
22 	MRK_ERROR, MRK_NONE, MRK_REVOKE, MRK_CA
23 }	HostkeyMarker;
24 
25 struct hostkey_entry {
26 	char *host;
27 	char *file;
28 	u_long line;
29 	Key *key;
30 	HostkeyMarker marker;
31 };
32 struct hostkeys;
33 
34 struct hostkeys *init_hostkeys(void);
35 void	 load_hostkeys(struct hostkeys *, const char *, const char *);
36 void	 free_hostkeys(struct hostkeys *);
37 
38 HostStatus check_key_in_hostkeys(struct hostkeys *, Key *,
39     const struct hostkey_entry **);
40 int	 lookup_key_in_hostkeys_by_type(struct hostkeys *, int,
41     const struct hostkey_entry **);
42 
43 int	 hostfile_read_key(char **, u_int *, Key *);
44 int	 add_host_to_hostfile(const char *, const char *, const Key *, int);
45 
46 #define HASH_MAGIC	"|1|"
47 #define HASH_DELIM	'|'
48 
49 #define CA_MARKER	"@cert-authority"
50 #define REVOKE_MARKER	"@revoked"
51 
52 char	*host_hash(const char *, const char *, u_int);
53 
54 #endif
55