diff options
Diffstat (limited to 'ssh.h')
| -rw-r--r-- | ssh.h | 104 |
1 files changed, 104 insertions, 0 deletions
@@ -0,0 +1,104 @@ +/* $OpenBSD: ssh.h,v 1.90 2020/07/14 23:57:01 djm Exp $ */ + +/* + * 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". + */ + +/* Cipher used for encrypting authentication files. */ +#define SSH_AUTHFILE_CIPHER SSH_CIPHER_3DES + +/* Default port number. */ +#define SSH_DEFAULT_PORT 22 + +/* + * Maximum number of certificate files that can be specified + * in configuration files or on the command line. + */ +#define SSH_MAX_CERTIFICATE_FILES 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 incompatibility + * 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 only 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" + +/* + * Name of the environment variable containing the process ID of the + * authentication agent. + */ +#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" + +/* + * Environment variable to control whether or not askpass is used. + */ +#define SSH_ASKPASS_REQUIRE_ENV "SSH_ASKPASS_REQUIRE" + +/* + * 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 + +/* Used to identify ``EscapeChar none'' */ +#define SSH_ESCAPECHAR_NONE -2 + +/* + * unprivileged user when UsePrivilegeSeparation=yes; + * sshd will change its privileges to this user and its + * primary group. + */ +#ifndef SSH_PRIVSEP_USER +#define SSH_PRIVSEP_USER "sshd" +#endif + +/* Listen backlog for sshd, ssh-agent and forwarding sockets */ +#define SSH_LISTEN_BACKLOG 128 + +/* Limits for banner exchange */ +#define SSH_MAX_BANNER_LEN 8192 +#define SSH_MAX_PRE_BANNER_LINES 1024 |