1 /* $OpenBSD: pathnames.h,v 1.37 2026/06/14 03:59:34 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_HOST_MLDSA44_ED25519_KEY_FILE SSHDIR "/ssh_host_mldsa44_ed25519_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 /* Binary paths for the sshd components */ 50 #ifndef _PATH_SSHD_SESSION 51 #define _PATH_SSHD_SESSION "/usr/libexec/sshd-session" 52 #endif 53 #ifndef _PATH_SSHD_AUTH 54 #define _PATH_SSHD_AUTH "/usr/libexec/sshd-auth" 55 #endif 56 57 /* 58 * The process id of the daemon listening for connections is saved here to 59 * make it easier to kill the correct daemon when necessary. 60 */ 61 #define _PATH_SSH_DAEMON_PID_FILE _PATH_SSH_PIDDIR "/sshd.pid" 62 63 /* 64 * The directory in user's home directory in which the files reside. The 65 * directory should be world-readable (though not all files are). 66 */ 67 #define _PATH_SSH_USER_DIR ".ssh" 68 69 70 /* 71 * The directory in which ssh-agent sockets and agent sockets forwarded by 72 * sshd reside. This directory should not be world-readable. 73 */ 74 #define _PATH_SSH_AGENT_SOCKET_DIR _PATH_SSH_USER_DIR "/agent" 75 76 /* 77 * Per-user file containing host keys of known hosts. This file need not be 78 * readable by anyone except the user him/herself, though this does not 79 * contain anything particularly secret. 80 */ 81 #define _PATH_SSH_USER_HOSTFILE "~/" _PATH_SSH_USER_DIR "/known_hosts" 82 /* backward compat for protocol 2 */ 83 #define _PATH_SSH_USER_HOSTFILE2 "~/" _PATH_SSH_USER_DIR "/known_hosts2" 84 85 /* 86 * Name of the default file containing client-side authentication key. This 87 * file should only be readable by the user him/herself. 88 */ 89 #define _PATH_SSH_CLIENT_ID_ECDSA _PATH_SSH_USER_DIR "/id_ecdsa" 90 #define _PATH_SSH_CLIENT_ID_RSA _PATH_SSH_USER_DIR "/id_rsa" 91 #define _PATH_SSH_CLIENT_ID_ED25519 _PATH_SSH_USER_DIR "/id_ed25519" 92 #define _PATH_SSH_CLIENT_ID_ECDSA_SK _PATH_SSH_USER_DIR "/id_ecdsa_sk" 93 #define _PATH_SSH_CLIENT_ID_ED25519_SK _PATH_SSH_USER_DIR "/id_ed25519_sk" 94 #define _PATH_SSH_CLIENT_ID_MLDSA44_ED25519 _PATH_SSH_USER_DIR "/id_mldsa44_ed25519" 95 96 /* 97 * Configuration file in user's home directory. This file need not be 98 * readable by anyone but the user him/herself, but does not contain anything 99 * particularly secret. If the user's home directory resides on an NFS 100 * volume where root is mapped to nobody, this may need to be world-readable. 101 */ 102 #define _PATH_SSH_USER_CONFFILE _PATH_SSH_USER_DIR "/config" 103 104 /* 105 * File containing a list of those rsa keys that permit logging in as this 106 * user. This file need not be readable by anyone but the user him/herself, 107 * but does not contain anything particularly secret. If the user's home 108 * directory resides on an NFS volume where root is mapped to nobody, this 109 * may need to be world-readable. (This file is read by the daemon which is 110 * running as root.) 111 */ 112 #define _PATH_SSH_USER_PERMITTED_KEYS _PATH_SSH_USER_DIR "/authorized_keys" 113 114 /* backward compat for protocol v2 */ 115 #define _PATH_SSH_USER_PERMITTED_KEYS2 _PATH_SSH_USER_DIR "/authorized_keys2" 116 117 /* 118 * Per-user and system-wide ssh "rc" files. These files are executed with 119 * /bin/sh before starting the shell or command if they exist. They will be 120 * passed "proto cookie" as arguments if X11 forwarding with spoofing is in 121 * use. xauth will be run if neither of these exists. 122 */ 123 #define _PATH_SSH_USER_RC _PATH_SSH_USER_DIR "/rc" 124 #define _PATH_SSH_SYSTEM_RC SSHDIR "/sshrc" 125 126 /* 127 * Ssh-only version of /etc/hosts.equiv. Additionally, the daemon may use 128 * ~/.rhosts and /etc/hosts.equiv if rhosts authentication is enabled. 129 */ 130 #define _PATH_SSH_HOSTS_EQUIV SSHDIR "/shosts.equiv" 131 #define _PATH_RHOSTS_EQUIV "/etc/hosts.equiv" 132 133 /* 134 * Default location of askpass 135 */ 136 #ifndef _PATH_SSH_ASKPASS_DEFAULT 137 #define _PATH_SSH_ASKPASS_DEFAULT "/usr/local/bin/ssh-askpass" 138 #endif 139 140 /* Location of ssh-keysign for hostbased authentication */ 141 #ifndef _PATH_SSH_KEY_SIGN 142 #define _PATH_SSH_KEY_SIGN "/usr/libexec/ssh-keysign" 143 #endif 144 145 /* Location of ssh-pkcs11-helper to support keys in tokens */ 146 #ifndef _PATH_SSH_PKCS11_HELPER 147 #define _PATH_SSH_PKCS11_HELPER "/usr/libexec/ssh-pkcs11-helper" 148 #endif 149 150 /* Location of ssh-sk-helper to support keys in security keys */ 151 #ifndef _PATH_SSH_SK_HELPER 152 #define _PATH_SSH_SK_HELPER "/usr/libexec/ssh-sk-helper" 153 #endif 154 155 /* xauth for X11 forwarding */ 156 #ifndef _PATH_XAUTH 157 #define _PATH_XAUTH "/usr/local/bin/xauth" 158 #endif 159 160 /* UNIX domain socket for X11 server; displaynum will replace %u */ 161 #ifndef _PATH_UNIX_X 162 #define _PATH_UNIX_X "/tmp/.X11-unix/X%u" 163 #endif 164 165 /* for scp */ 166 #ifndef _PATH_CP 167 #define _PATH_CP "cp" 168 #endif 169 170 /* for sftp */ 171 #ifndef _PATH_SFTP_SERVER 172 #define _PATH_SFTP_SERVER "/usr/libexec/sftp-server" 173 #endif 174 #ifndef _PATH_LS 175 #define _PATH_LS "ls" 176 #endif 177 178 /* chroot directory for unprivileged user when UsePrivilegeSeparation=yes */ 179 #ifndef _PATH_PRIVSEP_CHROOT_DIR 180 #define _PATH_PRIVSEP_CHROOT_DIR "/var/empty" 181 #endif 182 183 /* for passwd change */ 184 #ifndef _PATH_PASSWD_PROG 185 #define _PATH_PASSWD_PROG "/usr/bin/passwd" 186 #endif 187 188 /* Askpass program define */ 189 #ifndef ASKPASS_PROGRAM 190 #define ASKPASS_PROGRAM "/usr/lib/ssh/ssh-askpass" 191 #endif /* ASKPASS_PROGRAM */ 192