1 /* $OpenBSD: pathnames.h,v 1.36 2025/08/29 03:50:38 djm 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_ECDSA_KEY_FILE SSHDIR "/ssh_host_ecdsa_key" 40 #define _PATH_HOST_RSA_KEY_FILE SSHDIR "/ssh_host_rsa_key" 41 #define _PATH_HOST_ED25519_KEY_FILE SSHDIR "/ssh_host_ed25519_key" 42 #define _PATH_DH_MODULI SSHDIR "/moduli" 43 44 #ifndef _PATH_SSH_PROGRAM 45 #define _PATH_SSH_PROGRAM "/usr/bin/ssh" 46 #endif 47 48 /* Binary paths for the sshd components */ 49 #ifndef _PATH_SSHD_SESSION 50 #define _PATH_SSHD_SESSION "/usr/libexec/sshd-session" 51 #endif 52 #ifndef _PATH_SSHD_AUTH 53 #define _PATH_SSHD_AUTH "/usr/libexec/sshd-auth" 54 #endif 55 56 /* 57 * The process id of the daemon listening for connections is saved here to 58 * make it easier to kill the correct daemon when necessary. 59 */ 60 #define _PATH_SSH_DAEMON_PID_FILE _PATH_SSH_PIDDIR "/sshd.pid" 61 62 /* 63 * The directory in user's home directory in which the files reside. The 64 * directory should be world-readable (though not all files are). 65 */ 66 #define _PATH_SSH_USER_DIR ".ssh" 67 68 69 /* 70 * The directory in which ssh-agent sockets and agent sockets forwarded by 71 * sshd reside. This directory should not be world-readable. 72 */ 73 #define _PATH_SSH_AGENT_SOCKET_DIR _PATH_SSH_USER_DIR "/agent" 74 75 /* 76 * Per-user file containing host keys of known hosts. This file need not be 77 * readable by anyone except the user him/herself, though this does not 78 * contain anything particularly secret. 79 */ 80 #define _PATH_SSH_USER_HOSTFILE "~/" _PATH_SSH_USER_DIR "/known_hosts" 81 /* backward compat for protocol 2 */ 82 #define _PATH_SSH_USER_HOSTFILE2 "~/" _PATH_SSH_USER_DIR "/known_hosts2" 83 84 /* 85 * Name of the default file containing client-side authentication key. This 86 * file should only be readable by the user him/herself. 87 */ 88 #define _PATH_SSH_CLIENT_ID_ECDSA _PATH_SSH_USER_DIR "/id_ecdsa" 89 #define _PATH_SSH_CLIENT_ID_RSA _PATH_SSH_USER_DIR "/id_rsa" 90 #define _PATH_SSH_CLIENT_ID_ED25519 _PATH_SSH_USER_DIR "/id_ed25519" 91 #define _PATH_SSH_CLIENT_ID_ECDSA_SK _PATH_SSH_USER_DIR "/id_ecdsa_sk" 92 #define _PATH_SSH_CLIENT_ID_ED25519_SK _PATH_SSH_USER_DIR "/id_ed25519_sk" 93 94 /* 95 * Configuration file in user's home directory. This file need not be 96 * readable by anyone but the user him/herself, but does not contain anything 97 * particularly secret. If the user's home directory resides on an NFS 98 * volume where root is mapped to nobody, this may need to be world-readable. 99 */ 100 #define _PATH_SSH_USER_CONFFILE _PATH_SSH_USER_DIR "/config" 101 102 /* 103 * File containing a list of those rsa keys that permit logging in as this 104 * user. This file need not be readable by anyone but the user him/herself, 105 * but does not contain anything particularly secret. If the user's home 106 * directory resides on an NFS volume where root is mapped to nobody, this 107 * may need to be world-readable. (This file is read by the daemon which is 108 * running as root.) 109 */ 110 #define _PATH_SSH_USER_PERMITTED_KEYS _PATH_SSH_USER_DIR "/authorized_keys" 111 112 /* backward compat for protocol v2 */ 113 #define _PATH_SSH_USER_PERMITTED_KEYS2 _PATH_SSH_USER_DIR "/authorized_keys2" 114 115 /* 116 * Per-user and system-wide ssh "rc" files. These files are executed with 117 * /bin/sh before starting the shell or command if they exist. They will be 118 * passed "proto cookie" as arguments if X11 forwarding with spoofing is in 119 * use. xauth will be run if neither of these exists. 120 */ 121 #define _PATH_SSH_USER_RC _PATH_SSH_USER_DIR "/rc" 122 #define _PATH_SSH_SYSTEM_RC SSHDIR "/sshrc" 123 124 /* 125 * Ssh-only version of /etc/hosts.equiv. Additionally, the daemon may use 126 * ~/.rhosts and /etc/hosts.equiv if rhosts authentication is enabled. 127 */ 128 #define _PATH_SSH_HOSTS_EQUIV SSHDIR "/shosts.equiv" 129 #define _PATH_RHOSTS_EQUIV "/etc/hosts.equiv" 130 131 /* 132 * Default location of askpass 133 */ 134 #ifndef _PATH_SSH_ASKPASS_DEFAULT 135 #define _PATH_SSH_ASKPASS_DEFAULT "/usr/local/bin/ssh-askpass" 136 #endif 137 138 /* Location of ssh-keysign for hostbased authentication */ 139 #ifndef _PATH_SSH_KEY_SIGN 140 #define _PATH_SSH_KEY_SIGN "/usr/libexec/ssh-keysign" 141 #endif 142 143 /* Location of ssh-pkcs11-helper to support keys in tokens */ 144 #ifndef _PATH_SSH_PKCS11_HELPER 145 #define _PATH_SSH_PKCS11_HELPER "/usr/libexec/ssh-pkcs11-helper" 146 #endif 147 148 /* Location of ssh-sk-helper to support keys in security keys */ 149 #ifndef _PATH_SSH_SK_HELPER 150 #define _PATH_SSH_SK_HELPER "/usr/libexec/ssh-sk-helper" 151 #endif 152 153 /* xauth for X11 forwarding */ 154 #ifndef _PATH_XAUTH 155 #define _PATH_XAUTH "/usr/local/bin/xauth" 156 #endif 157 158 /* UNIX domain socket for X11 server; displaynum will replace %u */ 159 #ifndef _PATH_UNIX_X 160 #define _PATH_UNIX_X "/tmp/.X11-unix/X%u" 161 #endif 162 163 /* for scp */ 164 #ifndef _PATH_CP 165 #define _PATH_CP "cp" 166 #endif 167 168 /* for sftp */ 169 #ifndef _PATH_SFTP_SERVER 170 #define _PATH_SFTP_SERVER "/usr/libexec/sftp-server" 171 #endif 172 #ifndef _PATH_LS 173 #define _PATH_LS "ls" 174 #endif 175 176 /* chroot directory for unprivileged user when UsePrivilegeSeparation=yes */ 177 #ifndef _PATH_PRIVSEP_CHROOT_DIR 178 #define _PATH_PRIVSEP_CHROOT_DIR "/var/empty" 179 #endif 180 181 /* for passwd change */ 182 #ifndef _PATH_PASSWD_PROG 183 #define _PATH_PASSWD_PROG "/usr/bin/passwd" 184 #endif 185 186 /* Askpass program define */ 187 #ifndef ASKPASS_PROGRAM 188 #define ASKPASS_PROGRAM "/usr/lib/ssh/ssh-askpass" 189 #endif /* ASKPASS_PROGRAM */ 190