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Damien Millerd94f20d2003-06-11 22:06:33 +10001/* $OpenBSD: authfd.h,v 1.33 2003/06/11 11:18:38 djm 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
Damien Millerd94f20d2003-06-11 22:06:33 +100052#define SSH_AGENTC_ADD_SMARTCARD_KEY_CONSTRAINED 26
Ben Lindstrom4eb4c4e2002-06-21 00:04:48 +000053
Ben Lindstromc90f8a92002-06-21 00:06:54 +000054#define SSH_AGENT_CONSTRAIN_LIFETIME 1
Damien Miller6c711792003-01-24 11:36:23 +110055#define SSH_AGENT_CONSTRAIN_CONFIRM 2
Ben Lindstrom61d328a2002-06-06 21:54:57 +000056
Ben Lindstromc9a26362001-08-15 23:04:50 +000057/* extended failure messages */
58#define SSH2_AGENT_FAILURE 30
59
Damien Miller874d77b2000-10-14 16:23:11 +110060/* additional error code for ssh.com's ssh-agent2 */
Ben Lindstromcb72e4f2002-06-21 00:41:51 +000061#define SSH_COM_AGENT2_FAILURE 102
Damien Miller874d77b2000-10-14 16:23:11 +110062
Damien Miller62cee002000-09-23 17:15:56 +110063#define SSH_AGENT_OLD_SIGNATURE 0x01
64
Damien Miller95def091999-11-25 00:26:21 +110065typedef struct {
Ben Lindstromcb72e4f2002-06-21 00:41:51 +000066 int fd;
67 Buffer identities;
68 int howmany;
69} AuthenticationConnection;
Damien Millerad833b32000-08-23 10:46:23 +100070
Damien Miller789e95d2002-09-12 09:52:46 +100071int ssh_agent_present(void);
Ben Lindstromcb72e4f2002-06-21 00:41:51 +000072int ssh_get_authentication_socket(void);
73void ssh_close_authentication_socket(int);
Damien Millerd4a8b7e1999-10-27 13:42:43 +100074
Ben Lindstrom46c16222000-12-22 01:43:59 +000075AuthenticationConnection *ssh_get_authentication_connection(void);
Ben Lindstromcb72e4f2002-06-21 00:41:51 +000076void ssh_close_authentication_connection(AuthenticationConnection *);
Ben Lindstrom4cc240d2001-07-04 04:46:56 +000077int ssh_get_num_identities(AuthenticationConnection *, int);
Ben Lindstrom16ae3d02001-07-04 04:02:36 +000078Key *ssh_get_first_identity(AuthenticationConnection *, char **, int);
Ben Lindstrom16ae3d02001-07-04 04:02:36 +000079Key *ssh_get_next_identity(AuthenticationConnection *, char **, int);
Ben Lindstrom4cc240d2001-07-04 04:46:56 +000080int ssh_add_identity(AuthenticationConnection *, Key *, const char *);
Damien Miller6c711792003-01-24 11:36:23 +110081int ssh_add_identity_constrained(AuthenticationConnection *, Key *,
82 const char *, u_int, u_int);
Ben Lindstromf7db3bb2001-08-06 21:35:51 +000083int ssh_remove_identity(AuthenticationConnection *, Key *);
Ben Lindstrom4cc240d2001-07-04 04:46:56 +000084int ssh_remove_all_identities(AuthenticationConnection *, int);
Ben Lindstrom2f717042002-06-06 21:52:03 +000085int ssh_lock_agent(AuthenticationConnection *, int, const char *);
Damien Millerd94f20d2003-06-11 22:06:33 +100086int ssh_update_card(AuthenticationConnection *, int, const char *,
87 const char *, u_int, u_int);
Damien Millerad833b32000-08-23 10:46:23 +100088
Damien Miller4af51302000-04-16 11:18:38 +100089int
Ben Lindstrom16ae3d02001-07-04 04:02:36 +000090ssh_decrypt_challenge(AuthenticationConnection *, Key *, BIGNUM *, u_char[16],
91 u_int, u_char[16]);
Damien Millerd4a8b7e1999-10-27 13:42:43 +100092
Damien Millerad833b32000-08-23 10:46:23 +100093int
Ben Lindstrom90fd8142002-02-26 18:09:42 +000094ssh_agent_sign(AuthenticationConnection *, Key *, u_char **, u_int *, u_char *,
95 u_int);
Damien Millerd4a8b7e1999-10-27 13:42:43 +100096
Damien Miller95def091999-11-25 00:26:21 +110097#endif /* AUTHFD_H */