1 /* $NetBSD: pathnames.h,v 1.17 2025/04/09 15:49:32 christos Exp $ */ 2 /* $OpenBSD: pathnames.h,v 1.33 2024/10/14 01:57:50 djm Exp $ */ 3 4 /* 5 * Author: Tatu Ylonen <ylo@cs.hut.fi> 6 * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland 7 * All rights reserved 8 * 9 * As far as I am concerned, the code I have written for this software 10 * can be used freely for any purpose. Any derived versions of this 11 * software must be clearly marked as such, and if the derived work is 12 * incompatible with the protocol description in the RFC file, it must be 13 * called by a name other than "ssh" or "Secure Shell". 14 */ 15 16 #define ETCDIR "/etc" 17 #define SSHDIR ETCDIR "/ssh" 18 #define _PATH_SSH_PIDDIR "/var/run" 19 20 /* 21 * System-wide file containing host keys of known hosts. This file should be 22 * world-readable. 23 */ 24 #define _PATH_SSH_SYSTEM_HOSTFILE SSHDIR "/ssh_known_hosts" 25 /* backward compat for protocol 2 */ 26 #define _PATH_SSH_SYSTEM_HOSTFILE2 SSHDIR "/ssh_known_hosts2" 27 28 /* 29 * Of these, ssh_host_key must be readable only by root, whereas ssh_config 30 * should be world-readable. 31 */ 32 #define _PATH_SERVER_CONFIG_FILE SSHDIR "/sshd_config" 33 #define _PATH_HOST_CONFIG_FILE SSHDIR "/ssh_config" 34 #define _PATH_HOST_DSA_KEY_FILE SSHDIR "/ssh_host_dsa_key" 35 #define _PATH_HOST_ECDSA_KEY_FILE SSHDIR "/ssh_host_ecdsa_key" 36 #define _PATH_HOST_RSA_KEY_FILE SSHDIR "/ssh_host_rsa_key" 37 #define _PATH_HOST_ED25519_KEY_FILE SSHDIR "/ssh_host_ed25519_key" 38 #define _PATH_HOST_XMSS_KEY_FILE SSHDIR "/ssh_host_xmss_key" 39 #define _PATH_DH_MODULI ETCDIR "/moduli" 40 41 #define _PATH_SSH_PROGRAM "/usr/bin/ssh" 42 43 /* Binary paths for the sshd components */ 44 #define _PATH_SSHD_SESSION "/usr/libexec/sshd-session" 45 #define _PATH_SSHD_AUTH "/usr/libexec/sshd-auth" 46 47 /* 48 * The process id of the daemon listening for connections is saved here to 49 * make it easier to kill the correct daemon when necessary. 50 */ 51 #define _PATH_SSH_DAEMON_PID_FILE _PATH_SSH_PIDDIR "/sshd.pid" 52 53 /* 54 * The directory in user's home directory in which the files reside. The 55 * directory should be world-readable (though not all files are). 56 */ 57 #define _PATH_SSH_USER_DIR ".ssh" 58 59 /* 60 * Per-user file containing host keys of known hosts. This file need not be 61 * readable by anyone except the user him/herself, though this does not 62 * contain anything particularly secret. 63 */ 64 #define _PATH_SSH_USER_HOSTFILE "~/" _PATH_SSH_USER_DIR "/known_hosts" 65 /* backward compat for protocol 2 */ 66 #define _PATH_SSH_USER_HOSTFILE2 "~/" _PATH_SSH_USER_DIR "/known_hosts2" 67 68 /* 69 * Name of the default file containing client-side authentication key. This 70 * file should only be readable by the user him/herself. 71 */ 72 #define _PATH_SSH_CLIENT_ID_DSA _PATH_SSH_USER_DIR "/id_dsa" 73 #define _PATH_SSH_CLIENT_ID_ECDSA _PATH_SSH_USER_DIR "/id_ecdsa" 74 #define _PATH_SSH_CLIENT_ID_RSA _PATH_SSH_USER_DIR "/id_rsa" 75 #define _PATH_SSH_CLIENT_ID_ED25519 _PATH_SSH_USER_DIR "/id_ed25519" 76 #define _PATH_SSH_CLIENT_ID_XMSS _PATH_SSH_USER_DIR "/id_xmss" 77 #define _PATH_SSH_CLIENT_ID_ECDSA_SK _PATH_SSH_USER_DIR "/id_ecdsa_sk" 78 #define _PATH_SSH_CLIENT_ID_ED25519_SK _PATH_SSH_USER_DIR "/id_ed25519_sk" 79 80 /* 81 * Configuration file in user's home directory. This file need not be 82 * readable by anyone but the user him/herself, but does not contain anything 83 * particularly secret. If the user's home directory resides on an NFS 84 * volume where root is mapped to nobody, this may need to be world-readable. 85 */ 86 #define _PATH_SSH_USER_CONFFILE _PATH_SSH_USER_DIR "/config" 87 88 /* 89 * File containing a list of those rsa keys that permit logging in as this 90 * user. This file need not be readable by anyone but the user him/herself, 91 * but does not contain anything particularly secret. If the user's home 92 * directory resides on an NFS volume where root is mapped to nobody, this 93 * may need to be world-readable. (This file is read by the daemon which is 94 * running as root.) 95 */ 96 #define _PATH_SSH_USER_PERMITTED_KEYS _PATH_SSH_USER_DIR "/authorized_keys" 97 98 /* backward compat for protocol v2 */ 99 #define _PATH_SSH_USER_PERMITTED_KEYS2 _PATH_SSH_USER_DIR "/authorized_keys2" 100 101 /* 102 * Per-user and system-wide ssh "rc" files. These files are executed with 103 * /bin/sh before starting the shell or command if they exist. They will be 104 * passed "proto cookie" as arguments if X11 forwarding with spoofing is in 105 * use. xauth will be run if neither of these exists. 106 */ 107 #define _PATH_SSH_USER_RC _PATH_SSH_USER_DIR "/rc" 108 #define _PATH_SSH_SYSTEM_RC SSHDIR "/sshrc" 109 110 /* 111 * Ssh-only version of /etc/hosts.equiv. Additionally, the daemon may use 112 * ~/.rhosts and /etc/hosts.equiv if rhosts authentication is enabled. 113 */ 114 #define _PATH_SSH_HOSTS_EQUIV ETCDIR "/shosts.equiv" 115 #define _PATH_RHOSTS_EQUIV "/etc/hosts.equiv" 116 117 /* 118 * X11 base directory 119 */ 120 #ifndef X11BASE 121 #define X11BASE "/usr/X11R6" 122 #endif 123 124 /* 125 * Default location of askpass 126 */ 127 #define _PATH_SSH_ASKPASS_DEFAULT X11BASE "/bin/ssh-askpass" 128 129 /* Location of ssh-keysign for hostbased authentication */ 130 #define _PATH_SSH_KEY_SIGN "/usr/libexec/ssh-keysign" 131 132 /* Location of ssh-pkcs11-helper to support keys in tokens */ 133 #define _PATH_SSH_PKCS11_HELPER "/usr/libexec/ssh-pkcs11-helper" 134 135 /* Location of ssh-sk-helper to support keys in security keys */ 136 #ifndef _PATH_SSH_SK_HELPER 137 #define _PATH_SSH_SK_HELPER "/usr/libexec/ssh-sk-helper" 138 #endif 139 140 /* xauth for X11 forwarding */ 141 #define _PATH_XAUTH X11BASE "/bin/xauth" 142 143 /* UNIX domain socket for X11 server; displaynum will replace %u */ 144 #define _PATH_UNIX_X "/tmp/.X11-unix/X%u" 145 146 /* for scp */ 147 #define _PATH_CP "cp" 148 149 /* for sftp */ 150 #define _PATH_SFTP_SERVER "/usr/libexec/sftp-server" 151 #define _PATH_LS "ls" 152 153 /* chroot directory for unprivileged user when UsePrivilegeSeparation=yes */ 154 #ifdef __OpenBSD__ 155 #define _PATH_PRIVSEP_CHROOT_DIR "/var/empty" 156 #else 157 #define _PATH_PRIVSEP_CHROOT_DIR "/var/chroot/sshd" 158 #endif 159 160 #define _PATH_URANDOM "/dev/urandom" 161 162 /* for passwd change */ 163 #define _PATH_PASSWD_PROG "/usr/bin/passwd" 164