openssh/ssh.h

100 lines
2.8 KiB
C

/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
* All rights reserved
*
* 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: ssh.h,v 1.62 2001/01/23 10:45:10 markus Exp $"); */
#ifndef SSH_H
#define SSH_H
#include <netinet/in.h> /* For struct sockaddr_in */
#include <pwd.h> /* For struct pw */
#include <stdarg.h> /* For va_list */
#include <syslog.h> /* For LOG_AUTH and friends */
#include <sys/socket.h> /* For struct sockaddr_storage */
#include "openbsd-compat/fake-socket.h" /* For struct sockaddr_storage */
#ifdef HAVE_SYS_SELECT_H
# include <sys/select.h>
#endif
/* Cipher used for encrypting authentication files. */
#define SSH_AUTHFILE_CIPHER SSH_CIPHER_3DES
/* Default port number. */
#define SSH_DEFAULT_PORT 22
/* Maximum number of TCP/IP ports forwarded per direction. */
#define SSH_MAX_FORWARDS_PER_DIRECTION 100
/*
* Maximum number of RSA authentication identity files that can be specified
* in configuration files or on the command line.
*/
#define SSH_MAX_IDENTITY_FILES 100
/*
* Major protocol version. Different version indicates major incompatiblity
* that prevents communication.
*
* Minor protocol version. Different version indicates minor incompatibility
* that does not prevent interoperation.
*/
#define PROTOCOL_MAJOR_1 1
#define PROTOCOL_MINOR_1 5
/* We support both SSH1 and SSH2 */
#define PROTOCOL_MAJOR_2 2
#define PROTOCOL_MINOR_2 0
/*
* Name for the service. The port named by this service overrides the
* default port if present.
*/
#define SSH_SERVICE_NAME "ssh"
#if defined(USE_PAM) && !defined(SSHD_PAM_SERVICE)
# define SSHD_PAM_SERVICE __progname
#endif
/*
* Name of the environment variable containing the pathname of the
* authentication socket.
*/
#define SSH_AGENTPID_ENV_NAME "SSH_AGENT_PID"
/*
* Name of the environment variable containing the pathname of the
* authentication socket.
*/
#define SSH_AUTHSOCKET_ENV_NAME "SSH_AUTH_SOCK"
/*
* Environment variable for overwriting the default location of askpass
*/
#define SSH_ASKPASS_ENV "SSH_ASKPASS"
/*
* Force host key length and server key length to differ by at least this
* many bits. This is to make double encryption with rsaref work.
*/
#define SSH_KEY_BITS_RESERVED 128
/*
* Length of the session key in bytes. (Specified as 256 bits in the
* protocol.)
*/
#define SSH_SESSION_KEY_LENGTH 32
/* Name of Kerberos service for SSH to use. */
#define KRB4_SERVICE_NAME "rcmd"
#endif /* SSH_H */