1/* $OpenBSD: pathnames.h,v 1.31 2019/11/12 19:33:08 markus 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_XMSS_KEY_FILE	SSHDIR "/ssh_host_xmss_key"
43#define _PATH_HOST_RSA_KEY_FILE		SSHDIR "/ssh_host_rsa_key"
44#define _PATH_DH_MODULI			SSHDIR "/moduli"
45
46#ifndef _PATH_SSH_PROGRAM
47#define _PATH_SSH_PROGRAM		"/usr/bin/ssh"
48#endif
49
50/*
51 * The process id of the daemon listening for connections is saved here to
52 * make it easier to kill the correct daemon when necessary.
53 */
54#define _PATH_SSH_DAEMON_PID_FILE	_PATH_SSH_PIDDIR "/sshd.pid"
55
56/*
57 * The directory in user's home directory in which the files reside. The
58 * directory should be world-readable (though not all files are).
59 */
60#define _PATH_SSH_USER_DIR		".ssh"
61
62/*
63 * Per-user file containing host keys of known hosts.  This file need not be
64 * readable by anyone except the user him/herself, though this does not
65 * contain anything particularly secret.
66 */
67#define _PATH_SSH_USER_HOSTFILE		"~/" _PATH_SSH_USER_DIR "/known_hosts"
68/* backward compat for protocol 2 */
69#define _PATH_SSH_USER_HOSTFILE2	"~/" _PATH_SSH_USER_DIR "/known_hosts2"
70
71/*
72 * Name of the default file containing client-side authentication key. This
73 * file should only be readable by the user him/herself.
74 */
75#define _PATH_SSH_CLIENT_ID_DSA		_PATH_SSH_USER_DIR "/id_dsa"
76#define _PATH_SSH_CLIENT_ID_ECDSA	_PATH_SSH_USER_DIR "/id_ecdsa"
77#define _PATH_SSH_CLIENT_ID_RSA		_PATH_SSH_USER_DIR "/id_rsa"
78#define _PATH_SSH_CLIENT_ID_ED25519	_PATH_SSH_USER_DIR "/id_ed25519"
79#define _PATH_SSH_CLIENT_ID_XMSS	_PATH_SSH_USER_DIR "/id_xmss"
80#define _PATH_SSH_CLIENT_ID_ECDSA_SK	_PATH_SSH_USER_DIR "/id_ecdsa_sk"
81#define _PATH_SSH_CLIENT_ID_ED25519_SK	_PATH_SSH_USER_DIR "/id_ed25519_sk"
82
83/*
84 * Configuration file in user's home directory.  This file need not be
85 * readable by anyone but the user him/herself, but does not contain anything
86 * particularly secret.  If the user's home directory resides on an NFS
87 * volume where root is mapped to nobody, this may need to be world-readable.
88 */
89#define _PATH_SSH_USER_CONFFILE		_PATH_SSH_USER_DIR "/config"
90
91/*
92 * File containing a list of those rsa keys that permit logging in as this
93 * user.  This file need not be readable by anyone but the user him/herself,
94 * but does not contain anything particularly secret.  If the user's home
95 * directory resides on an NFS volume where root is mapped to nobody, this
96 * may need to be world-readable.  (This file is read by the daemon which is
97 * running as root.)
98 */
99#define _PATH_SSH_USER_PERMITTED_KEYS	_PATH_SSH_USER_DIR "/authorized_keys"
100
101/* backward compat for protocol v2 */
102#define _PATH_SSH_USER_PERMITTED_KEYS2	_PATH_SSH_USER_DIR "/authorized_keys2"
103
104/*
105 * Per-user and system-wide ssh "rc" files.  These files are executed with
106 * /bin/sh before starting the shell or command if they exist.  They will be
107 * passed "proto cookie" as arguments if X11 forwarding with spoofing is in
108 * use.  xauth will be run if neither of these exists.
109 */
110#define _PATH_SSH_USER_RC		_PATH_SSH_USER_DIR "/rc"
111#define _PATH_SSH_SYSTEM_RC		SSHDIR "/sshrc"
112
113/*
114 * Ssh-only version of /etc/hosts.equiv.  Additionally, the daemon may use
115 * ~/.rhosts and /etc/hosts.equiv if rhosts authentication is enabled.
116 */
117#define _PATH_SSH_HOSTS_EQUIV		SSHDIR "/shosts.equiv"
118#define _PATH_RHOSTS_EQUIV		"/etc/hosts.equiv"
119
120/*
121 * Default location of askpass
122 */
123#ifndef _PATH_SSH_ASKPASS_DEFAULT
124#define _PATH_SSH_ASKPASS_DEFAULT	"/usr/local/bin/ssh-askpass"
125#endif
126
127/* Location of ssh-keysign for hostbased authentication */
128#ifndef _PATH_SSH_KEY_SIGN
129#define _PATH_SSH_KEY_SIGN		"/usr/libexec/ssh-keysign"
130#endif
131
132/* Location of ssh-pkcs11-helper to support keys in tokens */
133#ifndef _PATH_SSH_PKCS11_HELPER
134#define _PATH_SSH_PKCS11_HELPER		"/usr/libexec/ssh-pkcs11-helper"
135#endif
136
137/* Location of ssh-sk-helper to support keys in security keys */
138#ifndef _PATH_SSH_SK_HELPER
139#define _PATH_SSH_SK_HELPER		"/usr/libexec/ssh-sk-helper"
140#endif
141
142/* xauth for X11 forwarding */
143#ifndef _PATH_XAUTH
144#define _PATH_XAUTH			"/usr/local/bin/xauth"
145#endif
146
147/* UNIX domain socket for X11 server; displaynum will replace %u */
148#ifndef _PATH_UNIX_X
149#define _PATH_UNIX_X "/tmp/.X11-unix/X%u"
150#endif
151
152/* for scp */
153#ifndef _PATH_CP
154#define _PATH_CP			"cp"
155#endif
156
157/* for sftp */
158#ifndef _PATH_SFTP_SERVER
159#define _PATH_SFTP_SERVER		"/usr/libexec/sftp-server"
160#endif
161
162/* chroot directory for unprivileged user when UsePrivilegeSeparation=yes */
163#ifndef _PATH_PRIVSEP_CHROOT_DIR
164#define _PATH_PRIVSEP_CHROOT_DIR	"/var/empty"
165#endif
166
167/* for passwd change */
168#ifndef _PATH_PASSWD_PROG
169#define _PATH_PASSWD_PROG             "/usr/bin/passwd"
170#endif
171
172#ifndef _PATH_LS
173#define _PATH_LS			"ls"
174#endif
175
176/* Askpass program define */
177#ifndef ASKPASS_PROGRAM
178#define ASKPASS_PROGRAM         "/usr/lib/ssh/ssh-askpass"
179#endif /* ASKPASS_PROGRAM */
180