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
17typedef enum {
18	HOST_OK, HOST_NEW, HOST_CHANGED, HOST_REVOKED, HOST_FOUND
19}       HostStatus;
20
21typedef enum {
22	MRK_ERROR, MRK_NONE, MRK_REVOKE, MRK_CA
23}	HostkeyMarker;
24
25struct hostkey_entry {
26	char *host;
27	char *file;
28	u_long line;
29	Key *key;
30	HostkeyMarker marker;
31};
32struct hostkeys;
33
34struct hostkeys *init_hostkeys(void);
35void	 load_hostkeys(struct hostkeys *, const char *, const char *);
36void	 free_hostkeys(struct hostkeys *);
37
38HostStatus check_key_in_hostkeys(struct hostkeys *, Key *,
39    const struct hostkey_entry **);
40int	 lookup_key_in_hostkeys_by_type(struct hostkeys *, int,
41    const struct hostkey_entry **);
42
43int	 hostfile_read_key(char **, u_int *, Key *);
44int	 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
52char	*host_hash(const char *, const char *, u_int);
53
54#endif
55