xref: /freebsd/crypto/openssh/pathnames.h (revision dd41de95a84d979615a2ef11df6850622bf6184e)
1 /* $OpenBSD: pathnames.h,v 1.28 2018/02/23 15:58:37 markus Exp $ */
2 /* $FreeBSD$ */
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 
18 #ifndef SSHDIR
19 #define SSHDIR				ETCDIR "/ssh"
20 #endif
21 
22 #ifndef _PATH_SSH_PIDDIR
23 #define _PATH_SSH_PIDDIR		"/var/run"
24 #endif
25 
26 /*
27  * System-wide file containing host keys of known hosts.  This file should be
28  * world-readable.
29  */
30 #define _PATH_SSH_SYSTEM_HOSTFILE	SSHDIR "/ssh_known_hosts"
31 /* backward compat for protocol 2 */
32 #define _PATH_SSH_SYSTEM_HOSTFILE2	SSHDIR "/ssh_known_hosts2"
33 
34 /*
35  * Of these, ssh_host_key must be readable only by root, whereas ssh_config
36  * should be world-readable.
37  */
38 #define _PATH_SERVER_CONFIG_FILE	SSHDIR "/sshd_config"
39 #define _PATH_HOST_CONFIG_FILE		SSHDIR "/ssh_config"
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_XMSS_KEY_FILE	SSHDIR "/ssh_host_xmss_key"
44 #define _PATH_HOST_RSA_KEY_FILE		SSHDIR "/ssh_host_rsa_key"
45 #define _PATH_DH_MODULI			SSHDIR "/moduli"
46 
47 #ifndef _PATH_SSH_PROGRAM
48 #define _PATH_SSH_PROGRAM		"/usr/bin/ssh"
49 #endif
50 
51 /*
52  * The process id of the daemon listening for connections is saved here to
53  * make it easier to kill the correct daemon when necessary.
54  */
55 #define _PATH_SSH_DAEMON_PID_FILE	_PATH_SSH_PIDDIR "/sshd.pid"
56 
57 /*
58  * The directory in user's home directory in which the files reside. The
59  * directory should be world-readable (though not all files are).
60  */
61 #define _PATH_SSH_USER_DIR		".ssh"
62 
63 /*
64  * Per-user file containing host keys of known hosts.  This file need not be
65  * readable by anyone except the user him/herself, though this does not
66  * contain anything particularly secret.
67  */
68 #define _PATH_SSH_USER_HOSTFILE		"~/" _PATH_SSH_USER_DIR "/known_hosts"
69 /* backward compat for protocol 2 */
70 #define _PATH_SSH_USER_HOSTFILE2	"~/" _PATH_SSH_USER_DIR "/known_hosts2"
71 
72 /*
73  * Name of the default file containing client-side authentication key. This
74  * file should only be readable by the user him/herself.
75  */
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 #define _PATH_SSH_CLIENT_ID_XMSS	_PATH_SSH_USER_DIR "/id_xmss"
81 
82 /*
83  * Configuration file in user's home directory.  This file need not be
84  * readable by anyone but the user him/herself, but does not contain anything
85  * particularly secret.  If the user's home directory resides on an NFS
86  * volume where root is mapped to nobody, this may need to be world-readable.
87  */
88 #define _PATH_SSH_USER_CONFFILE		_PATH_SSH_USER_DIR "/config"
89 
90 /*
91  * File containing a list of those rsa keys that permit logging in as this
92  * user.  This file need not be readable by anyone but the user him/herself,
93  * but does not contain anything particularly secret.  If the user's home
94  * directory resides on an NFS volume where root is mapped to nobody, this
95  * may need to be world-readable.  (This file is read by the daemon which is
96  * running as root.)
97  */
98 #define _PATH_SSH_USER_PERMITTED_KEYS	_PATH_SSH_USER_DIR "/authorized_keys"
99 
100 /* backward compat for protocol v2 */
101 #define _PATH_SSH_USER_PERMITTED_KEYS2	_PATH_SSH_USER_DIR "/authorized_keys2"
102 
103 /*
104  * Per-user and system-wide ssh "rc" files.  These files are executed with
105  * /bin/sh before starting the shell or command if they exist.  They will be
106  * passed "proto cookie" as arguments if X11 forwarding with spoofing is in
107  * use.  xauth will be run if neither of these exists.
108  */
109 #define _PATH_SSH_USER_RC		_PATH_SSH_USER_DIR "/rc"
110 #define _PATH_SSH_SYSTEM_RC		SSHDIR "/sshrc"
111 
112 /*
113  * Ssh-only version of /etc/hosts.equiv.  Additionally, the daemon may use
114  * ~/.rhosts and /etc/hosts.equiv if rhosts authentication is enabled.
115  */
116 #define _PATH_SSH_HOSTS_EQUIV		SSHDIR "/shosts.equiv"
117 #define _PATH_RHOSTS_EQUIV		"/etc/hosts.equiv"
118 
119 /*
120  * Default location of askpass
121  */
122 #ifndef _PATH_SSH_ASKPASS_DEFAULT
123 #define _PATH_SSH_ASKPASS_DEFAULT	"/usr/local/bin/ssh-askpass"
124 #endif
125 
126 /* Location of ssh-keysign for hostbased authentication */
127 #ifndef _PATH_SSH_KEY_SIGN
128 #define _PATH_SSH_KEY_SIGN		"/usr/libexec/ssh-keysign"
129 #endif
130 
131 /* Location of ssh-pkcs11-helper to support keys in tokens */
132 #ifndef _PATH_SSH_PKCS11_HELPER
133 #define _PATH_SSH_PKCS11_HELPER		"/usr/libexec/ssh-pkcs11-helper"
134 #endif
135 
136 /* xauth for X11 forwarding */
137 #ifndef _PATH_XAUTH
138 #define _PATH_XAUTH			"/usr/local/bin/xauth"
139 #endif
140 
141 /* UNIX domain socket for X11 server; displaynum will replace %u */
142 #ifndef _PATH_UNIX_X
143 #define _PATH_UNIX_X "/tmp/.X11-unix/X%u"
144 #endif
145 
146 /* for scp */
147 #ifndef _PATH_CP
148 #define _PATH_CP			"cp"
149 #endif
150 
151 /* for sftp */
152 #ifndef _PATH_SFTP_SERVER
153 #define _PATH_SFTP_SERVER		"/usr/libexec/sftp-server"
154 #endif
155 
156 /* chroot directory for unprivileged user when UsePrivilegeSeparation=yes */
157 #ifndef _PATH_PRIVSEP_CHROOT_DIR
158 #define _PATH_PRIVSEP_CHROOT_DIR	"/var/empty"
159 #endif
160 
161 /* for passwd change */
162 #ifndef _PATH_PASSWD_PROG
163 #define _PATH_PASSWD_PROG             "/usr/bin/passwd"
164 #endif
165 
166 #ifndef _PATH_LS
167 #define _PATH_LS			"ls"
168 #endif
169 
170 /* Askpass program define */
171 #ifndef ASKPASS_PROGRAM
172 #define ASKPASS_PROGRAM         "/usr/lib/ssh/ssh-askpass"
173 #endif /* ASKPASS_PROGRAM */
174