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/*
* ssh.h
*
* Minimal SSH-1 protocol implementation.
*
* Copyright (c) 2000 Dug Song <dugsong@monkey.org>
*
* $Id: ssh.h,v 1.3 2001/03/15 08:33:06 dugsong Exp $
*/
#ifndef SSH_H
#define SSH_H
#define SSH_MAX_PADLEN 8
#define SSH_MAX_PKTLEN 262144
/* Authentication types. */
#define SSH_AUTH_PASSWORD 3
/* Cipher types. */
#define SSH_CIPHER_NONE 0
#define SSH_CIPHER_3DES 3
#define SSH_CIPHER_BLOWFISH 6
/* Message types. */
#define SSH_MSG_DISCONNECT 1
#define SSH_SMSG_PUBLIC_KEY 2
#define SSH_CMSG_SESSION_KEY 3
#define SSH_CMSG_USER 4
#define SSH_CMSG_AUTH_PASSWORD 9
#define SSH_SMSG_SUCCESS 14
#define SSH_SMSG_FAILURE 15
#define SSH_CMSG_STDIN_DATA 16
#define SSH_SMSG_STDOUT_DATA 17
#define SSH_SMSG_STDERR_DATA 18
#define SSH_SMSG_EXITSTATUS 20
typedef struct ssh_ctx {
int authmask;
int encmask;
RSA *servkey;
RSA *hostkey;
} SSH_CTX;
typedef struct ssh {
int fd;
SSH_CTX *ctx;
u_char sesskey[32];
void *estate;
void *dstate;
void (*encrypt)(u_char *src, u_char *dst, int len, void *state);
void (*decrypt)(u_char *src, u_char *dst, int len, void *state);
} SSH;
void SSH_init(void);
SSH_CTX *SSH_CTX_new(void);
SSH *SSH_new(SSH_CTX *ctx);
void SSH_set_fd(SSH *ssh, int fd);
int SSH_accept(SSH *ssh);
int SSH_connect(SSH *ssh);
int SSH_recv(SSH *ssh, u_char *buf, int size);
int SSH_send(SSH *ssh, u_char *buf, int len);
void SSH_close(SSH *ssh);
#endif /* SSH_H */
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