crypto/openssh/pathnames.h

   1 /* $OpenBSD: pathnames.h,v 1.27 2017/05/05 10:42:49 naddy Exp $ */
   2
   3 /*
   4  * Author: Tatu Ylonen <ylo@cs.hut.fi>
   5  * Copyright (c) 1995 Tatu Ylonen <ylo@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_DSA_KEY_FILE         SSHDIR "/ssh_host_dsa_key"
  40 #define _PATH_HOST_ECDSA_KEY_FILE       SSHDIR "/ssh_host_ecdsa_key"
  41 #define _PATH_HOST_ED25519_KEY_FILE     SSHDIR "/ssh_host_ed25519_key"
  42 #define _PATH_HOST_RSA_KEY_FILE         SSHDIR "/ssh_host_rsa_key"
  43 #define _PATH_DH_MODULI                 SSHDIR "/moduli"
  44
  45 #ifndef _PATH_SSH_PROGRAM
  46 #define _PATH_SSH_PROGRAM               "/usr/bin/ssh"
  47 #endif
  48
  49 /*
  50  * The process id of the daemon listening for connections is saved here to
  51  * make it easier to kill the correct daemon when necessary.
  52  */
  53 #define _PATH_SSH_DAEMON_PID_FILE       _PATH_SSH_PIDDIR "/sshd.pid"
  54
  55 /*
  56  * The directory in user's home directory in which the files reside. The
  57  * directory should be world-readable (though not all files are).
  58  */
  59 #define _PATH_SSH_USER_DIR              ".ssh"
  60
  61 /*
  62  * Per-user file containing host keys of known hosts.  This file need not be
  63  * readable by anyone except the user him/herself, though this does not
  64  * contain anything particularly secret.
  65  */
  66 #define _PATH_SSH_USER_HOSTFILE         "~/" _PATH_SSH_USER_DIR "/known_hosts"
  67 /* backward compat for protocol 2 */
  68 #define _PATH_SSH_USER_HOSTFILE2        "~/" _PATH_SSH_USER_DIR "/known_hosts2"
  69
  70 /*
  71  * Name of the default file containing client-side authentication key. This
  72  * file should only be readable by the user him/herself.
  73  */
  74 #define _PATH_SSH_CLIENT_ID_DSA         _PATH_SSH_USER_DIR "/id_dsa"
  75 #define _PATH_SSH_CLIENT_ID_ECDSA       _PATH_SSH_USER_DIR "/id_ecdsa"
  76 #define _PATH_SSH_CLIENT_ID_RSA         _PATH_SSH_USER_DIR "/id_rsa"
  77 #define _PATH_SSH_CLIENT_ID_ED25519     _PATH_SSH_USER_DIR "/id_ed25519"
  78
  79 /*
  80  * Configuration file in user's home directory.  This file need not be
  81  * readable by anyone but the user him/herself, but does not contain anything
  82  * particularly secret.  If the user's home directory resides on an NFS
  83  * volume where root is mapped to nobody, this may need to be world-readable.
  84  */
  85 #define _PATH_SSH_USER_CONFFILE         _PATH_SSH_USER_DIR "/config"
  86
  87 /*
  88  * File containing a list of those rsa keys that permit logging in as this
  89  * user.  This file need not be readable by anyone but the user him/herself,
  90  * but does not contain anything particularly secret.  If the user's home
  91  * directory resides on an NFS volume where root is mapped to nobody, this
  92  * may need to be world-readable.  (This file is read by the daemon which is
  93  * running as root.)
  94  */
  95 #define _PATH_SSH_USER_PERMITTED_KEYS   _PATH_SSH_USER_DIR "/authorized_keys"
  96
  97 /* backward compat for protocol v2 */
  98 #define _PATH_SSH_USER_PERMITTED_KEYS2  _PATH_SSH_USER_DIR "/authorized_keys2"
  99
 100 /*
 101  * Per-user and system-wide ssh "rc" files.  These files are executed with
 102  * /bin/sh before starting the shell or command if they exist.  They will be
 103  * passed "proto cookie" as arguments if X11 forwarding with spoofing is in
 104  * use.  xauth will be run if neither of these exists.
 105  */
 106 #define _PATH_SSH_USER_RC               _PATH_SSH_USER_DIR "/rc"
 107 #define _PATH_SSH_SYSTEM_RC             SSHDIR "/sshrc"
 108
 109 /*
 110  * Ssh-only version of /etc/hosts.equiv.  Additionally, the daemon may use
 111  * ~/.rhosts and /etc/hosts.equiv if rhosts authentication is enabled.
 112  */
 113 #define _PATH_SSH_HOSTS_EQUIV           SSHDIR "/shosts.equiv"
 114 #define _PATH_RHOSTS_EQUIV              "/etc/hosts.equiv"
 115
 116 /*
 117  * Default location of askpass
 118  */
 119 #ifndef _PATH_SSH_ASKPASS_DEFAULT
 120 #define _PATH_SSH_ASKPASS_DEFAULT       "/usr/X11R6/bin/ssh-askpass"
 121 #endif
 122
 123 /* Location of ssh-keysign for hostbased authentication */
 124 #ifndef _PATH_SSH_KEY_SIGN
 125 #define _PATH_SSH_KEY_SIGN              "/usr/libexec/ssh-keysign"
 126 #endif
 127
 128 /* Location of ssh-pkcs11-helper to support keys in tokens */
 129 #ifndef _PATH_SSH_PKCS11_HELPER
 130 #define _PATH_SSH_PKCS11_HELPER         "/usr/libexec/ssh-pkcs11-helper"
 131 #endif
 132
 133 /* xauth for X11 forwarding */
 134 #ifndef _PATH_XAUTH
 135 #define _PATH_XAUTH                     "/usr/X11R6/bin/xauth"
 136 #endif
 137
 138 /* UNIX domain socket for X11 server; displaynum will replace %u */
 139 #ifndef _PATH_UNIX_X
 140 #define _PATH_UNIX_X "/tmp/.X11-unix/X%u"
 141 #endif
 142
 143 /* for scp */
 144 #ifndef _PATH_CP
 145 #define _PATH_CP                        "cp"
 146 #endif
 147
 148 /* for sftp */
 149 #ifndef _PATH_SFTP_SERVER
 150 #define _PATH_SFTP_SERVER               "/usr/libexec/sftp-server"
 151 #endif
 152
 153 /* chroot directory for unprivileged user when UsePrivilegeSeparation=yes */
 154 #ifndef _PATH_PRIVSEP_CHROOT_DIR
 155 #define _PATH_PRIVSEP_CHROOT_DIR        "/var/empty"
 156 #endif
 157
 158 /* for passwd change */
 159 #ifndef _PATH_PASSWD_PROG
 160 #define _PATH_PASSWD_PROG             "/usr/bin/passwd"
 161 #endif
 162
 163 #ifndef _PATH_LS
 164 #define _PATH_LS                        "ls"
 165 #endif
 166
 167 /* Askpass program define */
 168 #ifndef ASKPASS_PROGRAM
 169 #define ASKPASS_PROGRAM         "/usr/lib/ssh/ssh-askpass"
 170 #endif /* ASKPASS_PROGRAM */