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Damien Millerd4a8b7e1999-10-27 13:42:43 +10001/*
Damien Miller95def091999-11-25 00:26:21 +11002 * Author: Tatu Ylonen <ylo@cs.hut.fi>
Damien Miller95def091999-11-25 00:26:21 +11003 * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
4 * All rights reserved
Damien Miller95def091999-11-25 00:26:21 +11005 * Functions to interface with the SSH_AUTHENTICATION_FD socket.
Damien Miller4af51302000-04-16 11:18:38 +10006 *
Damien Millere4340be2000-09-16 13:29:08 +11007 * As far as I am concerned, the code I have written for this software
8 * can be used freely for any purpose. Any derived versions of this
9 * software must be clearly marked as such, and if the derived work is
10 * incompatible with the protocol description in the RFC file, it must be
11 * called by a name other than "ssh" or "Secure Shell".
Damien Miller95def091999-11-25 00:26:21 +110012 */
Damien Millerd4a8b7e1999-10-27 13:42:43 +100013
Ben Lindstromc9a26362001-08-15 23:04:50 +000014/* RCSID("$OpenBSD: authfd.h,v 1.21 2001/08/07 10:37:46 markus Exp $"); */
Damien Millerd4a8b7e1999-10-27 13:42:43 +100015
16#ifndef AUTHFD_H
17#define AUTHFD_H
18
19#include "buffer.h"
20
21/* Messages for the authentication agent connection. */
22#define SSH_AGENTC_REQUEST_RSA_IDENTITIES 1
23#define SSH_AGENT_RSA_IDENTITIES_ANSWER 2
24#define SSH_AGENTC_RSA_CHALLENGE 3
25#define SSH_AGENT_RSA_RESPONSE 4
26#define SSH_AGENT_FAILURE 5
27#define SSH_AGENT_SUCCESS 6
28#define SSH_AGENTC_ADD_RSA_IDENTITY 7
29#define SSH_AGENTC_REMOVE_RSA_IDENTITY 8
30#define SSH_AGENTC_REMOVE_ALL_RSA_IDENTITIES 9
31
Damien Miller874d77b2000-10-14 16:23:11 +110032/* private OpenSSH extensions for SSH2 */
Damien Miller994cf142000-07-21 10:19:44 +100033#define SSH2_AGENTC_REQUEST_IDENTITIES 11
34#define SSH2_AGENT_IDENTITIES_ANSWER 12
35#define SSH2_AGENTC_SIGN_REQUEST 13
36#define SSH2_AGENT_SIGN_RESPONSE 14
Damien Miller994cf142000-07-21 10:19:44 +100037#define SSH2_AGENTC_ADD_IDENTITY 17
38#define SSH2_AGENTC_REMOVE_IDENTITY 18
39#define SSH2_AGENTC_REMOVE_ALL_IDENTITIES 19
40
Ben Lindstrom036a6b22001-07-04 03:50:02 +000041/* smartcard */
42#define SSH_AGENTC_ADD_SMARTCARD_KEY 20
43#define SSH_AGENTC_REMOVE_SMARTCARD_KEY 21
44
Ben Lindstromc9a26362001-08-15 23:04:50 +000045/* extended failure messages */
46#define SSH2_AGENT_FAILURE 30
47
Damien Miller874d77b2000-10-14 16:23:11 +110048/* additional error code for ssh.com's ssh-agent2 */
Ben Lindstrom4cc240d2001-07-04 04:46:56 +000049#define SSH_COM_AGENT2_FAILURE 102
Damien Miller874d77b2000-10-14 16:23:11 +110050
Damien Miller62cee002000-09-23 17:15:56 +110051#define SSH_AGENT_OLD_SIGNATURE 0x01
52
Damien Miller95def091999-11-25 00:26:21 +110053typedef struct {
54 int fd;
Damien Miller95def091999-11-25 00:26:21 +110055 Buffer identities;
56 int howmany;
57} AuthenticationConnection;
Damien Millerad833b32000-08-23 10:46:23 +100058
Ben Lindstrom4cc240d2001-07-04 04:46:56 +000059int ssh_get_authentication_socket(void);
60void ssh_close_authentication_socket(int);
Damien Millerd4a8b7e1999-10-27 13:42:43 +100061
Ben Lindstrom46c16222000-12-22 01:43:59 +000062AuthenticationConnection *ssh_get_authentication_connection(void);
Ben Lindstrom4cc240d2001-07-04 04:46:56 +000063void ssh_close_authentication_connection(AuthenticationConnection *);
64int ssh_get_num_identities(AuthenticationConnection *, int);
Ben Lindstrom16ae3d02001-07-04 04:02:36 +000065Key *ssh_get_first_identity(AuthenticationConnection *, char **, int);
Ben Lindstrom16ae3d02001-07-04 04:02:36 +000066Key *ssh_get_next_identity(AuthenticationConnection *, char **, int);
Ben Lindstrom4cc240d2001-07-04 04:46:56 +000067int ssh_add_identity(AuthenticationConnection *, Key *, const char *);
Ben Lindstromf7db3bb2001-08-06 21:35:51 +000068int ssh_remove_identity(AuthenticationConnection *, Key *);
Ben Lindstrom4cc240d2001-07-04 04:46:56 +000069int ssh_remove_all_identities(AuthenticationConnection *, int);
Ben Lindstromf7db3bb2001-08-06 21:35:51 +000070int ssh_update_card(AuthenticationConnection *, int, const char *);
Damien Millerad833b32000-08-23 10:46:23 +100071
Damien Miller4af51302000-04-16 11:18:38 +100072int
Ben Lindstrom16ae3d02001-07-04 04:02:36 +000073ssh_decrypt_challenge(AuthenticationConnection *, Key *, BIGNUM *, u_char[16],
74 u_int, u_char[16]);
Damien Millerd4a8b7e1999-10-27 13:42:43 +100075
Damien Millerad833b32000-08-23 10:46:23 +100076int
Ben Lindstrom4cc240d2001-07-04 04:46:56 +000077ssh_agent_sign(AuthenticationConnection *, Key *, u_char **, int *, u_char *,
78 int);
Damien Millerd4a8b7e1999-10-27 13:42:43 +100079
Damien Miller95def091999-11-25 00:26:21 +110080#endif /* AUTHFD_H */