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Damien Miller789e95d2002-09-12 09:52:46 +10001/* $OpenBSD: authfd.h,v 1.31 2002/09/11 18:27:25 stevesk Exp $ */
Ben Lindstrom05764b92002-03-05 01:53:02 +00002
Damien Millerd4a8b7e1999-10-27 13:42:43 +10003/*
Damien Miller95def091999-11-25 00:26:21 +11004 * Author: Tatu Ylonen <ylo@cs.hut.fi>
Damien Miller95def091999-11-25 00:26:21 +11005 * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
6 * All rights reserved
Damien Miller95def091999-11-25 00:26:21 +11007 * Functions to interface with the SSH_AUTHENTICATION_FD socket.
Damien Miller4af51302000-04-16 11:18:38 +10008 *
Damien Millere4340be2000-09-16 13:29:08 +11009 * As far as I am concerned, the code I have written for this software
10 * can be used freely for any purpose. Any derived versions of this
11 * software must be clearly marked as such, and if the derived work is
12 * incompatible with the protocol description in the RFC file, it must be
13 * called by a name other than "ssh" or "Secure Shell".
Damien Miller95def091999-11-25 00:26:21 +110014 */
Damien Millerd4a8b7e1999-10-27 13:42:43 +100015
Damien Millerd4a8b7e1999-10-27 13:42:43 +100016#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
Ben Lindstromcb72e4f2002-06-21 00:41:51 +000043#define SSH_AGENTC_REMOVE_SMARTCARD_KEY 21
Ben Lindstrom036a6b22001-07-04 03:50:02 +000044
Ben Lindstrom2f717042002-06-06 21:52:03 +000045/* lock/unlock the agent */
46#define SSH_AGENTC_LOCK 22
Ben Lindstromcb72e4f2002-06-21 00:41:51 +000047#define SSH_AGENTC_UNLOCK 23
Ben Lindstrom2f717042002-06-06 21:52:03 +000048
Ben Lindstrom2b266b72002-06-21 00:08:39 +000049/* add key with constraints */
50#define SSH_AGENTC_ADD_RSA_ID_CONSTRAINED 24
51#define SSH2_AGENTC_ADD_ID_CONSTRAINED 25
Ben Lindstrom4eb4c4e2002-06-21 00:04:48 +000052
Ben Lindstromc90f8a92002-06-21 00:06:54 +000053#define SSH_AGENT_CONSTRAIN_LIFETIME 1
Ben Lindstrom61d328a2002-06-06 21:54:57 +000054
Ben Lindstromc9a26362001-08-15 23:04:50 +000055/* extended failure messages */
56#define SSH2_AGENT_FAILURE 30
57
Damien Miller874d77b2000-10-14 16:23:11 +110058/* additional error code for ssh.com's ssh-agent2 */
Ben Lindstromcb72e4f2002-06-21 00:41:51 +000059#define SSH_COM_AGENT2_FAILURE 102
Damien Miller874d77b2000-10-14 16:23:11 +110060
Damien Miller62cee002000-09-23 17:15:56 +110061#define SSH_AGENT_OLD_SIGNATURE 0x01
62
Damien Miller95def091999-11-25 00:26:21 +110063typedef struct {
Ben Lindstromcb72e4f2002-06-21 00:41:51 +000064 int fd;
65 Buffer identities;
66 int howmany;
67} AuthenticationConnection;
Damien Millerad833b32000-08-23 10:46:23 +100068
Damien Miller789e95d2002-09-12 09:52:46 +100069int ssh_agent_present(void);
Ben Lindstromcb72e4f2002-06-21 00:41:51 +000070int ssh_get_authentication_socket(void);
71void ssh_close_authentication_socket(int);
Damien Millerd4a8b7e1999-10-27 13:42:43 +100072
Ben Lindstrom46c16222000-12-22 01:43:59 +000073AuthenticationConnection *ssh_get_authentication_connection(void);
Ben Lindstromcb72e4f2002-06-21 00:41:51 +000074void ssh_close_authentication_connection(AuthenticationConnection *);
Ben Lindstrom4cc240d2001-07-04 04:46:56 +000075int ssh_get_num_identities(AuthenticationConnection *, int);
Ben Lindstrom16ae3d02001-07-04 04:02:36 +000076Key *ssh_get_first_identity(AuthenticationConnection *, char **, int);
Ben Lindstrom16ae3d02001-07-04 04:02:36 +000077Key *ssh_get_next_identity(AuthenticationConnection *, char **, int);
Ben Lindstrom4cc240d2001-07-04 04:46:56 +000078int ssh_add_identity(AuthenticationConnection *, Key *, const char *);
Ben Lindstrom2b266b72002-06-21 00:08:39 +000079int ssh_add_identity_constrained(AuthenticationConnection *, Key *, const char *, u_int);
Ben Lindstromf7db3bb2001-08-06 21:35:51 +000080int ssh_remove_identity(AuthenticationConnection *, Key *);
Ben Lindstrom4cc240d2001-07-04 04:46:56 +000081int ssh_remove_all_identities(AuthenticationConnection *, int);
Ben Lindstrom2f717042002-06-06 21:52:03 +000082int ssh_lock_agent(AuthenticationConnection *, int, const char *);
Ben Lindstromba72d302002-03-22 03:51:06 +000083int ssh_update_card(AuthenticationConnection *, int, const char *, const char *);
Damien Millerad833b32000-08-23 10:46:23 +100084
Damien Miller4af51302000-04-16 11:18:38 +100085int
Ben Lindstrom16ae3d02001-07-04 04:02:36 +000086ssh_decrypt_challenge(AuthenticationConnection *, Key *, BIGNUM *, u_char[16],
87 u_int, u_char[16]);
Damien Millerd4a8b7e1999-10-27 13:42:43 +100088
Damien Millerad833b32000-08-23 10:46:23 +100089int
Ben Lindstrom90fd8142002-02-26 18:09:42 +000090ssh_agent_sign(AuthenticationConnection *, Key *, u_char **, u_int *, u_char *,
91 u_int);
Damien Millerd4a8b7e1999-10-27 13:42:43 +100092
Damien Miller95def091999-11-25 00:26:21 +110093#endif /* AUTHFD_H */