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3175eb9a5a
[channels.c session.c ssh-agent.c ssh.h sshd.c]
use SSH_LISTEN_BACKLOG (=128) in listen(2).
110 lines
3.0 KiB
C
110 lines
3.0 KiB
C
/* $OpenBSD: ssh.h,v 1.75 2003/12/02 17:01:15 markus Exp $ */
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/*
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* Author: Tatu Ylonen <ylo@cs.hut.fi>
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* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
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* All rights reserved
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*
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* As far as I am concerned, the code I have written for this software
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* can be used freely for any purpose. Any derived versions of this
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* software must be clearly marked as such, and if the derived work is
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* incompatible with the protocol description in the RFC file, it must be
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* called by a name other than "ssh" or "Secure Shell".
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*/
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#ifndef SSH_H
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#define SSH_H
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#include <netinet/in.h> /* For struct sockaddr_in */
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#include <pwd.h> /* For struct pw */
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#include <stdarg.h> /* For va_list */
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#include <syslog.h> /* For LOG_AUTH and friends */
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#include <sys/socket.h> /* For struct sockaddr_storage */
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#ifdef HAVE_SYS_SELECT_H
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# include <sys/select.h>
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#endif
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/* Cipher used for encrypting authentication files. */
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#define SSH_AUTHFILE_CIPHER SSH_CIPHER_3DES
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/* Default port number. */
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#define SSH_DEFAULT_PORT 22
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/* Maximum number of TCP/IP ports forwarded per direction. */
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#define SSH_MAX_FORWARDS_PER_DIRECTION 100
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/*
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* Maximum number of RSA authentication identity files that can be specified
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* in configuration files or on the command line.
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*/
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#define SSH_MAX_IDENTITY_FILES 100
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/*
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* Major protocol version. Different version indicates major incompatibility
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* that prevents communication.
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*
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* Minor protocol version. Different version indicates minor incompatibility
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* that does not prevent interoperation.
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*/
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#define PROTOCOL_MAJOR_1 1
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#define PROTOCOL_MINOR_1 5
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/* We support both SSH1 and SSH2 */
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#define PROTOCOL_MAJOR_2 2
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#define PROTOCOL_MINOR_2 0
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/*
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* Name for the service. The port named by this service overrides the
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* default port if present.
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*/
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#define SSH_SERVICE_NAME "ssh"
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/*
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* Name of the environment variable containing the process ID of the
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* authentication agent.
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*/
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#define SSH_AGENTPID_ENV_NAME "SSH_AGENT_PID"
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/*
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* Name of the environment variable containing the pathname of the
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* authentication socket.
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*/
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#define SSH_AUTHSOCKET_ENV_NAME "SSH_AUTH_SOCK"
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/*
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* Environment variable for overwriting the default location of askpass
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*/
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#define SSH_ASKPASS_ENV "SSH_ASKPASS"
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/*
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* Force host key length and server key length to differ by at least this
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* many bits. This is to make double encryption with rsaref work.
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*/
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#define SSH_KEY_BITS_RESERVED 128
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/*
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* Length of the session key in bytes. (Specified as 256 bits in the
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* protocol.)
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*/
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#define SSH_SESSION_KEY_LENGTH 32
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/* Used to identify ``EscapeChar none'' */
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#define SSH_ESCAPECHAR_NONE -2
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/*
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* unprivileged user when UsePrivilegeSeparation=yes;
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* sshd will change its privileges to this user and its
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* primary group.
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*/
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#ifndef SSH_PRIVSEP_USER
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#define SSH_PRIVSEP_USER "sshd"
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#endif
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/* Minimum modulus size (n) for RSA keys. */
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#define SSH_RSA_MINIMUM_MODULUS_SIZE 768
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/* Listen backlog for sshd, ssh-agent and forwarding sockets */
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#define SSH_LISTEN_BACKLOG 128
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#endif /* SSH_H */
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