[gssapi-openssh.git] / openssh / authfd.h

/*
 * Author: Tatu Ylonen <ylo@cs.hut.fi>
 * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
 *                    All rights reserved
 * Functions to interface with the SSH_AUTHENTICATION_FD socket.
 *
 * As far as I am concerned, the code I have written for this software
 * can be used freely for any purpose.  Any derived versions of this
 * software must be clearly marked as such, and if the derived work is
 * incompatible with the protocol description in the RFC file, it must be
 * called by a name other than "ssh" or "Secure Shell".
 */

/* RCSID("$OpenBSD: authfd.h,v 1.21 2001/08/07 10:37:46 markus Exp $"); */

#ifndef AUTHFD_H
#define AUTHFD_H

#include "buffer.h"

/* Messages for the authentication agent connection. */
#define SSH_AGENTC_REQUEST_RSA_IDENTITIES	1
#define SSH_AGENT_RSA_IDENTITIES_ANSWER		2
#define SSH_AGENTC_RSA_CHALLENGE		3
#define SSH_AGENT_RSA_RESPONSE			4
#define SSH_AGENT_FAILURE			5
#define SSH_AGENT_SUCCESS			6
#define SSH_AGENTC_ADD_RSA_IDENTITY		7
#define SSH_AGENTC_REMOVE_RSA_IDENTITY		8
#define SSH_AGENTC_REMOVE_ALL_RSA_IDENTITIES	9

/* private OpenSSH extensions for SSH2 */
#define SSH2_AGENTC_REQUEST_IDENTITIES		11
#define SSH2_AGENT_IDENTITIES_ANSWER		12
#define SSH2_AGENTC_SIGN_REQUEST		13
#define SSH2_AGENT_SIGN_RESPONSE		14
#define SSH2_AGENTC_ADD_IDENTITY		17
#define SSH2_AGENTC_REMOVE_IDENTITY		18
#define SSH2_AGENTC_REMOVE_ALL_IDENTITIES	19

/* smartcard */
#define SSH_AGENTC_ADD_SMARTCARD_KEY		20
#define SSH_AGENTC_REMOVE_SMARTCARD_KEY	        21

/* extended failure messages */
#define SSH2_AGENT_FAILURE			30

/* additional error code for ssh.com's ssh-agent2 */
#define SSH_COM_AGENT2_FAILURE                  102

#define	SSH_AGENT_OLD_SIGNATURE			0x01

typedef struct {
	int     fd;
	Buffer  identities;
	int     howmany;
}       AuthenticationConnection;

int      ssh_get_authentication_socket(void);
void     ssh_close_authentication_socket(int);

AuthenticationConnection *ssh_get_authentication_connection(void);
void     ssh_close_authentication_connection(AuthenticationConnection *);
int	 ssh_get_num_identities(AuthenticationConnection *, int);
Key	*ssh_get_first_identity(AuthenticationConnection *, char **, int);
Key	*ssh_get_next_identity(AuthenticationConnection *, char **, int);
int	 ssh_add_identity(AuthenticationConnection *, Key *, const char *);
int	 ssh_remove_identity(AuthenticationConnection *, Key *);
int	 ssh_remove_all_identities(AuthenticationConnection *, int);
int	 ssh_update_card(AuthenticationConnection *, int, const char *);

int
ssh_decrypt_challenge(AuthenticationConnection *, Key *, BIGNUM *, u_char[16],
    u_int, u_char[16]);

int
ssh_agent_sign(AuthenticationConnection *, Key *, u_char **, int *, u_char *,
    int);

#endif				/* AUTHFD_H */
Commit	Line	Data
3c0ef626	1	/*
	2	* Author: Tatu Ylonen <ylo@cs.hut.fi>
	3	* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
	4	* All rights reserved
	5	* Functions to interface with the SSH_AUTHENTICATION_FD socket.
	6	*
	7	* 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".
	12	*/
	13
	14	/* RCSID("$OpenBSD: authfd.h,v 1.21 2001/08/07 10:37:46 markus Exp $"); */
	15
	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
	32	/* private OpenSSH extensions for SSH2 */
	33	#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
	37	#define SSH2_AGENTC_ADD_IDENTITY 17
	38	#define SSH2_AGENTC_REMOVE_IDENTITY 18
	39	#define SSH2_AGENTC_REMOVE_ALL_IDENTITIES 19
	40
	41	/* smartcard */
	42	#define SSH_AGENTC_ADD_SMARTCARD_KEY 20
	43	#define SSH_AGENTC_REMOVE_SMARTCARD_KEY 21
	44
	45	/* extended failure messages */
	46	#define SSH2_AGENT_FAILURE 30
	47
	48	/* additional error code for ssh.com's ssh-agent2 */
	49	#define SSH_COM_AGENT2_FAILURE 102
	50
	51	#define SSH_AGENT_OLD_SIGNATURE 0x01
	52
	53	typedef struct {
	54	int fd;
	55	Buffer identities;
	56	int howmany;
	57	} AuthenticationConnection;
	58
	59	int ssh_get_authentication_socket(void);
	60	void ssh_close_authentication_socket(int);
	61
	62	AuthenticationConnection *ssh_get_authentication_connection(void);
	63	void ssh_close_authentication_connection(AuthenticationConnection *);
	64	int ssh_get_num_identities(AuthenticationConnection *, int);
65	Key ssh_get_first_identity(AuthenticationConnection , char **, int);
66	Key ssh_get_next_identity(AuthenticationConnection , char **, int);
67	int ssh_add_identity(AuthenticationConnection , Key , const char *);
68	int ssh_remove_identity(AuthenticationConnection , Key );
69	int ssh_remove_all_identities(AuthenticationConnection *, int);
70	int ssh_update_card(AuthenticationConnection , int, const char );
71
72	int
73	ssh_decrypt_challenge(AuthenticationConnection , Key , BIGNUM *, u_char[16],
74	u_int, u_char[16]);
75
76	int
77	ssh_agent_sign(AuthenticationConnection , Key , u_char *, int , u_char *,
78	int);
79
80	#endif /* AUTHFD_H */