crypto/openssh/hostfile.h

   1 /* $OpenBSD: hostfile.h,v 1.20 2013/07/12 00:19:58 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 **, 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