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      1 /* $OpenBSD: pathnames.h,v 1.25 2016/03/31 05:24:06 dtucker Exp $ */
      2 
      3 /*
      4  * Author: Tatu Ylonen <ylo (at) cs.hut.fi>
      5  * Copyright (c) 1995 Tatu Ylonen <ylo (at) cs.hut.fi>, Espoo, Finland
      6  *                    All rights reserved
      7  *
      8  * As far as I am concerned, the code I have written for this software
      9  * can be used freely for any purpose.  Any derived versions of this
     10  * software must be clearly marked as such, and if the derived work is
     11  * incompatible with the protocol description in the RFC file, it must be
     12  * called by a name other than "ssh" or "Secure Shell".
     13  */
     14 
     15 #define ETCDIR				"/etc"
     16 
     17 #ifndef SSHDIR
     18 #define SSHDIR				ETCDIR "/ssh"
     19 #endif
     20 
     21 #ifndef _PATH_SSH_PIDDIR
     22 #define _PATH_SSH_PIDDIR		"/var/run"
     23 #endif
     24 
     25 /*
     26  * System-wide file containing host keys of known hosts.  This file should be
     27  * world-readable.
     28  */
     29 #define _PATH_SSH_SYSTEM_HOSTFILE	SSHDIR "/ssh_known_hosts"
     30 /* backward compat for protocol 2 */
     31 #define _PATH_SSH_SYSTEM_HOSTFILE2	SSHDIR "/ssh_known_hosts2"
     32 
     33 /*
     34  * Of these, ssh_host_key must be readable only by root, whereas ssh_config
     35  * should be world-readable.
     36  */
     37 #define _PATH_SERVER_CONFIG_FILE	SSHDIR "/sshd_config"
     38 #define _PATH_HOST_CONFIG_FILE		SSHDIR "/ssh_config"
     39 #define _PATH_HOST_KEY_FILE		SSHDIR "/ssh_host_key"
     40 #define _PATH_HOST_DSA_KEY_FILE		SSHDIR "/ssh_host_dsa_key"
     41 #define _PATH_HOST_ECDSA_KEY_FILE	SSHDIR "/ssh_host_ecdsa_key"
     42 #define _PATH_HOST_ED25519_KEY_FILE	SSHDIR "/ssh_host_ed25519_key"
     43 #define _PATH_HOST_RSA_KEY_FILE		SSHDIR "/ssh_host_rsa_key"
     44 #define _PATH_DH_MODULI			SSHDIR "/moduli"
     45 
     46 #ifndef _PATH_SSH_PROGRAM
     47 #define _PATH_SSH_PROGRAM		"/usr/bin/ssh"
     48 #endif
     49 
     50 /*
     51  * The process id of the daemon listening for connections is saved here to
     52  * make it easier to kill the correct daemon when necessary.
     53  */
     54 #define _PATH_SSH_DAEMON_PID_FILE	_PATH_SSH_PIDDIR "/sshd.pid"
     55 
     56 /*
     57  * The directory in user's home directory in which the files reside. The
     58  * directory should be world-readable (though not all files are).
     59  */
     60 #define _PATH_SSH_USER_DIR		".ssh"
     61 
     62 /*
     63  * Per-user file containing host keys of known hosts.  This file need not be
     64  * readable by anyone except the user him/herself, though this does not
     65  * contain anything particularly secret.
     66  */
     67 #define _PATH_SSH_USER_HOSTFILE		"~/" _PATH_SSH_USER_DIR "/known_hosts"
     68 /* backward compat for protocol 2 */
     69 #define _PATH_SSH_USER_HOSTFILE2	"~/" _PATH_SSH_USER_DIR "/known_hosts2"
     70 
     71 /*
     72  * Name of the default file containing client-side authentication key. This
     73  * file should only be readable by the user him/herself.
     74  */
     75 #define _PATH_SSH_CLIENT_IDENTITY	_PATH_SSH_USER_DIR "/identity"
     76 #define _PATH_SSH_CLIENT_ID_DSA		_PATH_SSH_USER_DIR "/id_dsa"
     77 #define _PATH_SSH_CLIENT_ID_ECDSA	_PATH_SSH_USER_DIR "/id_ecdsa"
     78 #define _PATH_SSH_CLIENT_ID_RSA		_PATH_SSH_USER_DIR "/id_rsa"
     79 #define _PATH_SSH_CLIENT_ID_ED25519	_PATH_SSH_USER_DIR "/id_ed25519"
     80 
     81 /*
     82  * Configuration file in user's home directory.  This file need not be
     83  * readable by anyone but the user him/herself, but does not contain anything
     84  * particularly secret.  If the user's home directory resides on an NFS
     85  * volume where root is mapped to nobody, this may need to be world-readable.
     86  */
     87 #define _PATH_SSH_USER_CONFFILE		_PATH_SSH_USER_DIR "/config"
     88 
     89 /*
     90  * File containing a list of those rsa keys that permit logging in as this
     91  * user.  This file need not be readable by anyone but the user him/herself,
     92  * but does not contain anything particularly secret.  If the user's home
     93  * directory resides on an NFS volume where root is mapped to nobody, this
     94  * may need to be world-readable.  (This file is read by the daemon which is
     95  * running as root.)
     96  */
     97 #define _PATH_SSH_USER_PERMITTED_KEYS	_PATH_SSH_USER_DIR "/authorized_keys"
     98 
     99 /* backward compat for protocol v2 */
    100 #define _PATH_SSH_USER_PERMITTED_KEYS2	_PATH_SSH_USER_DIR "/authorized_keys2"
    101 
    102 /*
    103  * Per-user and system-wide ssh "rc" files.  These files are executed with
    104  * /bin/sh before starting the shell or command if they exist.  They will be
    105  * passed "proto cookie" as arguments if X11 forwarding with spoofing is in
    106  * use.  xauth will be run if neither of these exists.
    107  */
    108 #define _PATH_SSH_USER_RC		_PATH_SSH_USER_DIR "/rc"
    109 #define _PATH_SSH_SYSTEM_RC		SSHDIR "/sshrc"
    110 
    111 /*
    112  * Ssh-only version of /etc/hosts.equiv.  Additionally, the daemon may use
    113  * ~/.rhosts and /etc/hosts.equiv if rhosts authentication is enabled.
    114  */
    115 #define _PATH_SSH_HOSTS_EQUIV		SSHDIR "/shosts.equiv"
    116 #define _PATH_RHOSTS_EQUIV		"/etc/hosts.equiv"
    117 
    118 /*
    119  * Default location of askpass
    120  */
    121 #ifndef _PATH_SSH_ASKPASS_DEFAULT
    122 #define _PATH_SSH_ASKPASS_DEFAULT	"/usr/X11R6/bin/ssh-askpass"
    123 #endif
    124 
    125 /* Location of ssh-keysign for hostbased authentication */
    126 #ifndef _PATH_SSH_KEY_SIGN
    127 #define _PATH_SSH_KEY_SIGN		"/usr/libexec/ssh-keysign"
    128 #endif
    129 
    130 /* Location of ssh-pkcs11-helper to support keys in tokens */
    131 #ifndef _PATH_SSH_PKCS11_HELPER
    132 #define _PATH_SSH_PKCS11_HELPER		"/usr/libexec/ssh-pkcs11-helper"
    133 #endif
    134 
    135 /* xauth for X11 forwarding */
    136 #ifndef _PATH_XAUTH
    137 #define _PATH_XAUTH			"/usr/X11R6/bin/xauth"
    138 #endif
    139 
    140 /* UNIX domain socket for X11 server; displaynum will replace %u */
    141 #ifndef _PATH_UNIX_X
    142 #define _PATH_UNIX_X "/tmp/.X11-unix/X%u"
    143 #endif
    144 
    145 /* for scp */
    146 #ifndef _PATH_CP
    147 #define _PATH_CP			"cp"
    148 #endif
    149 
    150 /* for sftp */
    151 #ifndef _PATH_SFTP_SERVER
    152 #define _PATH_SFTP_SERVER		"/usr/libexec/sftp-server"
    153 #endif
    154 
    155 /* chroot directory for unprivileged user when UsePrivilegeSeparation=yes */
    156 #ifndef _PATH_PRIVSEP_CHROOT_DIR
    157 #define _PATH_PRIVSEP_CHROOT_DIR	"/var/empty"
    158 #endif
    159 
    160 /* for passwd change */
    161 #ifndef _PATH_PASSWD_PROG
    162 #define _PATH_PASSWD_PROG             "/usr/bin/passwd"
    163 #endif
    164 
    165 #ifndef _PATH_LS
    166 #define _PATH_LS			"ls"
    167 #endif
    168 
    169 /* Askpass program define */
    170 #ifndef ASKPASS_PROGRAM
    171 #define ASKPASS_PROGRAM         "/usr/lib/ssh/ssh-askpass"
    172 #endif /* ASKPASS_PROGRAM */
    173