ssh.h revision 76262 
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 *
6 * As far as I am concerned, the code I have written for this software
7 * can be used freely for any purpose.  Any derived versions of this
8 * software must be clearly marked as such, and if the derived work is
9 * incompatible with the protocol description in the RFC file, it must be
10 * called by a name other than "ssh" or "Secure Shell".
11 */
12
13/* RCSID("$OpenBSD: ssh.h,v 1.62 2001/01/23 10:45:10 markus Exp $"); */
14/* RCSID("$FreeBSD: head/crypto/openssh/ssh.h 76262 2001-05-04 04:14:23Z green $"); */
15
16#ifndef SSH_H
17#define SSH_H
18
19/* Cipher used for encrypting authentication files. */
20#define SSH_AUTHFILE_CIPHER	SSH_CIPHER_3DES
21
22/* Default port number. */
23#define SSH_DEFAULT_PORT	22
24
25/* Maximum number of TCP/IP ports forwarded per direction. */
26#define SSH_MAX_FORWARDS_PER_DIRECTION	100
27
28/*
29 * Maximum number of RSA authentication identity files that can be specified
30 * in configuration files or on the command line.
31 */
32#define SSH_MAX_IDENTITY_FILES		100
33
34/*
35 * Major protocol version.  Different version indicates major incompatiblity
36 * that prevents communication.
37 *
38 * Minor protocol version.  Different version indicates minor incompatibility
39 * that does not prevent interoperation.
40 */
41#define PROTOCOL_MAJOR_1	1
42#define PROTOCOL_MINOR_1	5
43
44/* We support both SSH1 and SSH2 */
45#define PROTOCOL_MAJOR_2	2
46#define PROTOCOL_MINOR_2	0
47
48/*
49 * Name for the service.  The port named by this service overrides the
50 * default port if present.
51 */
52#define SSH_SERVICE_NAME	"ssh"
53
54/*
55 * Name of the environment variable containing the pathname of the
56 * authentication socket.
57 */
58#define SSH_AGENTPID_ENV_NAME	"SSH_AGENT_PID"
59
60/*
61 * Name of the environment variable containing the pathname of the
62 * authentication socket.
63 */
64#define SSH_AUTHSOCKET_ENV_NAME "SSH_AUTH_SOCK"
65
66/*
67 * Environment variable for overwriting the default location of askpass
68 */
69#define SSH_ASKPASS_ENV		"SSH_ASKPASS"
70
71/*
72 * Force host key length and server key length to differ by at least this
73 * many bits.  This is to make double encryption with rsaref work.
74 */
75#define SSH_KEY_BITS_RESERVED		128
76
77/*
78 * Length of the session key in bytes.  (Specified as 256 bits in the
79 * protocol.)
80 */
81#define SSH_SESSION_KEY_LENGTH		32
82
83/* Name of Kerberos service for SSH to use. */
84#define KRB4_SERVICE_NAME		"rcmd"
85
86/* Kerberos IV tickets can't be forwarded. This is an AFS hack! */
87#define SSH_CMSG_HAVE_KRB4_TGT SSH_CMSG_HAVE_KERBEROS_TGT /* credentials (s) */
88
89#ifdef USE_PAM
90#include "auth-pam.h"
91#endif /* USE_PAM */
92
93#endif				/* SSH_H */
94