1*0Sstevel@tonic-gate /* $OpenBSD: ssh.h,v 1.71 2002/06/22 02:00:29 stevesk Exp $ */ 2*0Sstevel@tonic-gate 3*0Sstevel@tonic-gate #ifndef _SSH_H 4*0Sstevel@tonic-gate #define _SSH_H 5*0Sstevel@tonic-gate 6*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 7*0Sstevel@tonic-gate 8*0Sstevel@tonic-gate #ifdef __cplusplus 9*0Sstevel@tonic-gate extern "C" { 10*0Sstevel@tonic-gate #endif 11*0Sstevel@tonic-gate 12*0Sstevel@tonic-gate 13*0Sstevel@tonic-gate /* 14*0Sstevel@tonic-gate * Author: Tatu Ylonen <ylo@cs.hut.fi> 15*0Sstevel@tonic-gate * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland 16*0Sstevel@tonic-gate * All rights reserved 17*0Sstevel@tonic-gate * 18*0Sstevel@tonic-gate * As far as I am concerned, the code I have written for this software 19*0Sstevel@tonic-gate * can be used freely for any purpose. Any derived versions of this 20*0Sstevel@tonic-gate * software must be clearly marked as such, and if the derived work is 21*0Sstevel@tonic-gate * incompatible with the protocol description in the RFC file, it must be 22*0Sstevel@tonic-gate * called by a name other than "ssh" or "Secure Shell". 23*0Sstevel@tonic-gate */ 24*0Sstevel@tonic-gate 25*0Sstevel@tonic-gate #include <netinet/in.h> /* For struct sockaddr_in */ 26*0Sstevel@tonic-gate #include <pwd.h> /* For struct pw */ 27*0Sstevel@tonic-gate #include <stdarg.h> /* For va_list */ 28*0Sstevel@tonic-gate #include <syslog.h> /* For LOG_AUTH and friends */ 29*0Sstevel@tonic-gate #include <sys/socket.h> /* For struct sockaddr_storage */ 30*0Sstevel@tonic-gate #include "fake-socket.h" /* For struct sockaddr_storage */ 31*0Sstevel@tonic-gate #ifdef HAVE_SYS_SELECT_H 32*0Sstevel@tonic-gate # include <sys/select.h> 33*0Sstevel@tonic-gate #endif 34*0Sstevel@tonic-gate 35*0Sstevel@tonic-gate /* Cipher used for encrypting authentication files. */ 36*0Sstevel@tonic-gate #define SSH_AUTHFILE_CIPHER SSH_CIPHER_3DES 37*0Sstevel@tonic-gate 38*0Sstevel@tonic-gate /* Default port number. */ 39*0Sstevel@tonic-gate #define SSH_DEFAULT_PORT 22 40*0Sstevel@tonic-gate 41*0Sstevel@tonic-gate /* Maximum number of TCP/IP ports forwarded per direction. */ 42*0Sstevel@tonic-gate #define SSH_MAX_FORWARDS_PER_DIRECTION 100 43*0Sstevel@tonic-gate 44*0Sstevel@tonic-gate /* 45*0Sstevel@tonic-gate * Maximum number of RSA authentication identity files that can be specified 46*0Sstevel@tonic-gate * in configuration files or on the command line. 47*0Sstevel@tonic-gate */ 48*0Sstevel@tonic-gate #define SSH_MAX_IDENTITY_FILES 100 49*0Sstevel@tonic-gate 50*0Sstevel@tonic-gate /* 51*0Sstevel@tonic-gate * Major protocol version. Different version indicates major incompatibility 52*0Sstevel@tonic-gate * that prevents communication. 53*0Sstevel@tonic-gate * 54*0Sstevel@tonic-gate * Minor protocol version. Different version indicates minor incompatibility 55*0Sstevel@tonic-gate * that does not prevent interoperation. 56*0Sstevel@tonic-gate */ 57*0Sstevel@tonic-gate #define PROTOCOL_MAJOR_1 1 58*0Sstevel@tonic-gate #define PROTOCOL_MINOR_1 5 59*0Sstevel@tonic-gate 60*0Sstevel@tonic-gate /* We support both SSH1 and SSH2 */ 61*0Sstevel@tonic-gate #define PROTOCOL_MAJOR_2 2 62*0Sstevel@tonic-gate #define PROTOCOL_MINOR_2 0 63*0Sstevel@tonic-gate 64*0Sstevel@tonic-gate /* 65*0Sstevel@tonic-gate * Name for the service. The port named by this service overrides the 66*0Sstevel@tonic-gate * default port if present. 67*0Sstevel@tonic-gate */ 68*0Sstevel@tonic-gate #define SSH_SERVICE_NAME "ssh" 69*0Sstevel@tonic-gate 70*0Sstevel@tonic-gate /* 71*0Sstevel@tonic-gate * Name of the environment variable containing the process ID of the 72*0Sstevel@tonic-gate * authentication agent. 73*0Sstevel@tonic-gate */ 74*0Sstevel@tonic-gate #define SSH_AGENTPID_ENV_NAME "SSH_AGENT_PID" 75*0Sstevel@tonic-gate 76*0Sstevel@tonic-gate /* 77*0Sstevel@tonic-gate * Name of the environment variable containing the pathname of the 78*0Sstevel@tonic-gate * authentication socket. 79*0Sstevel@tonic-gate */ 80*0Sstevel@tonic-gate #define SSH_AUTHSOCKET_ENV_NAME "SSH_AUTH_SOCK" 81*0Sstevel@tonic-gate 82*0Sstevel@tonic-gate /* 83*0Sstevel@tonic-gate * Environment variable for overwriting the default location of askpass 84*0Sstevel@tonic-gate */ 85*0Sstevel@tonic-gate #define SSH_ASKPASS_ENV "SSH_ASKPASS" 86*0Sstevel@tonic-gate 87*0Sstevel@tonic-gate /* 88*0Sstevel@tonic-gate * Force host key length and server key length to differ by at least this 89*0Sstevel@tonic-gate * many bits. This is to make double encryption with rsaref work. 90*0Sstevel@tonic-gate */ 91*0Sstevel@tonic-gate #define SSH_KEY_BITS_RESERVED 128 92*0Sstevel@tonic-gate 93*0Sstevel@tonic-gate /* 94*0Sstevel@tonic-gate * Length of the session key in bytes. (Specified as 256 bits in the 95*0Sstevel@tonic-gate * protocol.) 96*0Sstevel@tonic-gate */ 97*0Sstevel@tonic-gate #define SSH_SESSION_KEY_LENGTH 32 98*0Sstevel@tonic-gate 99*0Sstevel@tonic-gate /* Name of Kerberos service for SSH to use. */ 100*0Sstevel@tonic-gate #define KRB4_SERVICE_NAME "rcmd" 101*0Sstevel@tonic-gate 102*0Sstevel@tonic-gate /* Used to identify ``EscapeChar none'' */ 103*0Sstevel@tonic-gate #define SSH_ESCAPECHAR_NONE -2 104*0Sstevel@tonic-gate 105*0Sstevel@tonic-gate /* 106*0Sstevel@tonic-gate * unprivileged user when UsePrivilegeSeparation=yes; 107*0Sstevel@tonic-gate * sshd will change its privileges to this user and its 108*0Sstevel@tonic-gate * primary group. 109*0Sstevel@tonic-gate */ 110*0Sstevel@tonic-gate #ifndef SSH_PRIVSEP_USER 111*0Sstevel@tonic-gate #define SSH_PRIVSEP_USER "sshd" 112*0Sstevel@tonic-gate #endif 113*0Sstevel@tonic-gate 114*0Sstevel@tonic-gate /* Minimum modulus size (n) for RSA keys. */ 115*0Sstevel@tonic-gate #define SSH_RSA_MINIMUM_MODULUS_SIZE 768 116*0Sstevel@tonic-gate 117*0Sstevel@tonic-gate #ifdef __cplusplus 118*0Sstevel@tonic-gate } 119*0Sstevel@tonic-gate #endif 120*0Sstevel@tonic-gate 121*0Sstevel@tonic-gate #endif /* _SSH_H */ 122