mirror of git://anongit.mindrot.org/openssh.git
103 lines
3.7 KiB
C
103 lines
3.7 KiB
C
/*
|
|
|
|
authfd.h
|
|
|
|
Author: Tatu Ylonen <ylo@cs.hut.fi>
|
|
|
|
Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
|
|
All rights reserved
|
|
|
|
Created: Wed Mar 29 01:17:41 1995 ylo
|
|
|
|
Functions to interface with the SSH_AUTHENTICATION_FD socket.
|
|
|
|
*/
|
|
|
|
/* RCSID("$Id: authfd.h,v 1.1 1999/10/27 03:42:43 damien 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
|
|
|
|
typedef struct
|
|
{
|
|
int fd;
|
|
Buffer packet;
|
|
Buffer identities;
|
|
int howmany;
|
|
} AuthenticationConnection;
|
|
|
|
/* Returns the number of the authentication fd, or -1 if there is none. */
|
|
int ssh_get_authentication_socket();
|
|
|
|
/* This should be called for any descriptor returned by
|
|
ssh_get_authentication_socket(). Depending on the way the descriptor was
|
|
obtained, this may close the descriptor. */
|
|
void ssh_close_authentication_socket(int authfd);
|
|
|
|
/* Opens and connects a private socket for communication with the
|
|
authentication agent. Returns NULL if an error occurred and the
|
|
connection could not be opened. The connection should be closed by
|
|
the caller by calling ssh_close_authentication_connection(). */
|
|
AuthenticationConnection *ssh_get_authentication_connection();
|
|
|
|
/* Closes the connection to the authentication agent and frees any associated
|
|
memory. */
|
|
void ssh_close_authentication_connection(AuthenticationConnection *ac);
|
|
|
|
/* Returns the first authentication identity held by the agent.
|
|
Returns true if an identity is available, 0 otherwise.
|
|
The caller must initialize the integers before the call, and free the
|
|
comment after a successful call (before calling ssh_get_next_identity). */
|
|
int ssh_get_first_identity(AuthenticationConnection *connection,
|
|
int *bitsp, BIGNUM *e, BIGNUM *n, char **comment);
|
|
|
|
/* Returns the next authentication identity for the agent. Other functions
|
|
can be called between this and ssh_get_first_identity or two calls of this
|
|
function. This returns 0 if there are no more identities. The caller
|
|
must free comment after a successful return. */
|
|
int ssh_get_next_identity(AuthenticationConnection *connection,
|
|
int *bitsp, BIGNUM *e, BIGNUM *n, char **comment);
|
|
|
|
/* Requests the agent to decrypt the given challenge. Returns true if
|
|
the agent claims it was able to decrypt it. */
|
|
int ssh_decrypt_challenge(AuthenticationConnection *auth,
|
|
int bits, BIGNUM *e, BIGNUM *n, BIGNUM *challenge,
|
|
unsigned char session_id[16],
|
|
unsigned int response_type,
|
|
unsigned char response[16]);
|
|
|
|
/* Adds an identity to the authentication server. This call is not meant to
|
|
be used by normal applications. This returns true if the identity
|
|
was successfully added. */
|
|
int ssh_add_identity(AuthenticationConnection *connection,
|
|
RSA *key, const char *comment);
|
|
|
|
/* Removes the identity from the authentication server. This call is
|
|
not meant to be used by normal applications. This returns true if the
|
|
identity was successfully added. */
|
|
int ssh_remove_identity(AuthenticationConnection *connection,
|
|
RSA *key);
|
|
|
|
/* Removes all identities from the authentication agent. This call is not
|
|
meant to be used by normal applications. This returns true if the
|
|
operation was successful. */
|
|
int ssh_remove_all_identities(AuthenticationConnection *connection);
|
|
|
|
/* Closes the connection to the authentication agent. */
|
|
void ssh_close_authentication(AuthenticationConnection *connection);
|
|
|
|
#endif /* AUTHFD_H */
|