crypto/external/bsd/openssh/dist/authfd.h

   1 /*      $NetBSD$        */
   2 /* $OpenBSD: authfd.h,v 1.36 2006/08/03 03:34:41 deraadt Exp $ */
   3
   4 /*
   5  * Author: Tatu Ylonen <ylo@cs.hut.fi>
   6  * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
   7  *                    All rights reserved
   8  * Functions to interface with the SSH_AUTHENTICATION_FD socket.
   9  *
  10  * As far as I am concerned, the code I have written for this software
  11  * can be used freely for any purpose.  Any derived versions of this
  12  * software must be clearly marked as such, and if the derived work is
  13  * incompatible with the protocol description in the RFC file, it must be
  14  * called by a name other than "ssh" or "Secure Shell".
  15  */
  16
  17 #ifndef AUTHFD_H
  18 #define AUTHFD_H
  19
  20 /* Messages for the authentication agent connection. */
  21 #define SSH_AGENTC_REQUEST_RSA_IDENTITIES       1
  22 #define SSH_AGENT_RSA_IDENTITIES_ANSWER         2
  23 #define SSH_AGENTC_RSA_CHALLENGE                3
  24 #define SSH_AGENT_RSA_RESPONSE                  4
  25 #define SSH_AGENT_FAILURE                       5
  26 #define SSH_AGENT_SUCCESS                       6
  27 #define SSH_AGENTC_ADD_RSA_IDENTITY             7
  28 #define SSH_AGENTC_REMOVE_RSA_IDENTITY          8
  29 #define SSH_AGENTC_REMOVE_ALL_RSA_IDENTITIES    9
  30
  31 /* private OpenSSH extensions for SSH2 */
  32 #define SSH2_AGENTC_REQUEST_IDENTITIES          11
  33 #define SSH2_AGENT_IDENTITIES_ANSWER            12
  34 #define SSH2_AGENTC_SIGN_REQUEST                13
  35 #define SSH2_AGENT_SIGN_RESPONSE                14
  36 #define SSH2_AGENTC_ADD_IDENTITY                17
  37 #define SSH2_AGENTC_REMOVE_IDENTITY             18
  38 #define SSH2_AGENTC_REMOVE_ALL_IDENTITIES       19
  39
  40 /* smartcard */
  41 #define SSH_AGENTC_ADD_SMARTCARD_KEY            20
  42 #define SSH_AGENTC_REMOVE_SMARTCARD_KEY         21
  43
  44 /* lock/unlock the agent */
  45 #define SSH_AGENTC_LOCK                         22
  46 #define SSH_AGENTC_UNLOCK                       23
  47
  48 /* add key with constraints */
  49 #define SSH_AGENTC_ADD_RSA_ID_CONSTRAINED       24
  50 #define SSH2_AGENTC_ADD_ID_CONSTRAINED          25
  51 #define SSH_AGENTC_ADD_SMARTCARD_KEY_CONSTRAINED 26
  52
  53 #define SSH_AGENT_CONSTRAIN_LIFETIME            1
  54 #define SSH_AGENT_CONSTRAIN_CONFIRM             2
  55
  56 /* extended failure messages */
  57 #define SSH2_AGENT_FAILURE                      30
  58
  59 /* additional error code for ssh.com's ssh-agent2 */
  60 #define SSH_COM_AGENT2_FAILURE                  102
  61
  62 #define SSH_AGENT_OLD_SIGNATURE                 0x01
  63
  64 typedef struct {
  65         int     fd;
  66         Buffer  identities;
  67         int     howmany;
  68 }       AuthenticationConnection;
  69
  70 int     ssh_agent_present(void);
  71 int     ssh_get_authentication_socket(void);
  72 void    ssh_close_authentication_socket(int);
  73
  74 AuthenticationConnection *ssh_get_authentication_connection(void);
  75 void    ssh_close_authentication_connection(AuthenticationConnection *);
  76 int      ssh_get_num_identities(AuthenticationConnection *, int);
  77 Key     *ssh_get_first_identity(AuthenticationConnection *, char **, int);
  78 Key     *ssh_get_next_identity(AuthenticationConnection *, char **, int);
  79 int      ssh_add_identity(AuthenticationConnection *, Key *, const char *);
  80 int      ssh_add_identity_constrained(AuthenticationConnection *, Key *,
  81     const char *, u_int, u_int);
  82 int      ssh_remove_identity(AuthenticationConnection *, Key *);
  83 int      ssh_remove_all_identities(AuthenticationConnection *, int);
  84 int      ssh_lock_agent(AuthenticationConnection *, int, const char *);
  85 int      ssh_update_card(AuthenticationConnection *, int, const char *,
  86     const char *, u_int, u_int);
  87
  88 int
  89 ssh_decrypt_challenge(AuthenticationConnection *, Key *, BIGNUM *, u_char[16],
  90     u_int, u_char[16]);
  91
  92 int
  93 ssh_agent_sign(AuthenticationConnection *, Key *, u_char **, u_int *, u_char *,
  94     u_int);
  95
  96 #endif                          /* AUTHFD_H */