xref: /freebsd/crypto/openssh/hostfile.h (revision 3a31b7eb32ad60e1e05b2b2e184ff47e4afbb874)
1 /*	$OpenBSD: hostfile.h,v 1.7 2001/02/08 19:30:51 itojun 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 int
18 auth_rsa_read_key(char **cpp, u_int *bitsp, BIGNUM * e, BIGNUM * n);
19 
20 /*
21  * Checks whether the given host is already in the list of our known hosts.
22  * Returns HOST_OK if the host is known and has the specified key, HOST_NEW
23  * if the host is not known, and HOST_CHANGED if the host is known but used
24  * to have a different host key.  The host must be in all lowercase.
25  */
26 typedef enum {
27 	HOST_OK, HOST_NEW, HOST_CHANGED
28 }       HostStatus;
29 
30 HostStatus
31 check_host_in_hostfile(const char *filename, const char *host, Key *key,
32     Key *found, int *line);
33 
34 /*
35  * Appends an entry to the host file.  Returns false if the entry could not
36  * be appended.
37  */
38 int	add_host_to_hostfile(const char *filename, const char *host, Key *key);
39 
40 #endif
41