xref: /openbsd/usr.bin/ssh/pathnames.h (revision 8932bfb7)
1 /* $OpenBSD: pathnames.h,v 1.22 2011/05/23 03:30:07 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 #define SSHDIR				ETCDIR "/ssh"
17 #define _PATH_SSH_PIDDIR		"/var/run"
18 
19 /*
20  * System-wide file containing host keys of known hosts.  This file should be
21  * world-readable.
22  */
23 #define _PATH_SSH_SYSTEM_HOSTFILE	SSHDIR "/ssh_known_hosts"
24 /* backward compat for protocol 2 */
25 #define _PATH_SSH_SYSTEM_HOSTFILE2	SSHDIR "/ssh_known_hosts2"
26 
27 /*
28  * Of these, ssh_host_key must be readable only by root, whereas ssh_config
29  * should be world-readable.
30  */
31 #define _PATH_SERVER_CONFIG_FILE	SSHDIR "/sshd_config"
32 #define _PATH_HOST_CONFIG_FILE		SSHDIR "/ssh_config"
33 #define _PATH_HOST_KEY_FILE		SSHDIR "/ssh_host_key"
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_DH_MODULI			ETCDIR "/moduli"
38 /* Backwards compatibility */
39 #define _PATH_DH_PRIMES			ETCDIR "/primes"
40 
41 #define _PATH_SSH_PROGRAM		"/usr/bin/ssh"
42 
43 /*
44  * The process id of the daemon listening for connections is saved here to
45  * make it easier to kill the correct daemon when necessary.
46  */
47 #define _PATH_SSH_DAEMON_PID_FILE	_PATH_SSH_PIDDIR "/sshd.pid"
48 
49 /*
50  * The directory in user's home directory in which the files reside. The
51  * directory should be world-readable (though not all files are).
52  */
53 #define _PATH_SSH_USER_DIR		".ssh"
54 
55 /*
56  * Per-user file containing host keys of known hosts.  This file need not be
57  * readable by anyone except the user him/herself, though this does not
58  * contain anything particularly secret.
59  */
60 #define _PATH_SSH_USER_HOSTFILE		"~/.ssh/known_hosts"
61 /* backward compat for protocol 2 */
62 #define _PATH_SSH_USER_HOSTFILE2	"~/.ssh/known_hosts2"
63 
64 /*
65  * Name of the default file containing client-side authentication key. This
66  * file should only be readable by the user him/herself.
67  */
68 #define _PATH_SSH_CLIENT_IDENTITY	".ssh/identity"
69 #define _PATH_SSH_CLIENT_ID_DSA		".ssh/id_dsa"
70 #define _PATH_SSH_CLIENT_ID_ECDSA	".ssh/id_ecdsa"
71 #define _PATH_SSH_CLIENT_ID_RSA		".ssh/id_rsa"
72 
73 /*
74  * Configuration file in user's home directory.  This file need not be
75  * readable by anyone but the user him/herself, but does not contain anything
76  * particularly secret.  If the user's home directory resides on an NFS
77  * volume where root is mapped to nobody, this may need to be world-readable.
78  */
79 #define _PATH_SSH_USER_CONFFILE		".ssh/config"
80 
81 /*
82  * File containing a list of those rsa keys that permit logging in as this
83  * user.  This file need not be readable by anyone but the user him/herself,
84  * but does not contain anything particularly secret.  If the user's home
85  * directory resides on an NFS volume where root is mapped to nobody, this
86  * may need to be world-readable.  (This file is read by the daemon which is
87  * running as root.)
88  */
89 #define _PATH_SSH_USER_PERMITTED_KEYS	".ssh/authorized_keys"
90 
91 /* backward compat for protocol v2 */
92 #define _PATH_SSH_USER_PERMITTED_KEYS2	".ssh/authorized_keys2"
93 
94 /*
95  * Per-user and system-wide ssh "rc" files.  These files are executed with
96  * /bin/sh before starting the shell or command if they exist.  They will be
97  * passed "proto cookie" as arguments if X11 forwarding with spoofing is in
98  * use.  xauth will be run if neither of these exists.
99  */
100 #define _PATH_SSH_USER_RC		".ssh/rc"
101 #define _PATH_SSH_SYSTEM_RC		SSHDIR "/sshrc"
102 
103 /*
104  * Ssh-only version of /etc/hosts.equiv.  Additionally, the daemon may use
105  * ~/.rhosts and /etc/hosts.equiv if rhosts authentication is enabled.
106  */
107 #define _PATH_SSH_HOSTS_EQUIV		ETCDIR "/shosts.equiv"
108 #define _PATH_RHOSTS_EQUIV		"/etc/hosts.equiv"
109 
110 /*
111  * Default location of askpass
112  */
113 #define _PATH_SSH_ASKPASS_DEFAULT	"/usr/X11R6/bin/ssh-askpass"
114 
115 /* Location of ssh-keysign for hostbased authentication */
116 #define _PATH_SSH_KEY_SIGN		"/usr/libexec/ssh-keysign"
117 
118 /* Location of ssh-pkcs11-helper to support keys in tokens */
119 #define _PATH_SSH_PKCS11_HELPER		"/usr/libexec/ssh-pkcs11-helper"
120 
121 /* xauth for X11 forwarding */
122 #define _PATH_XAUTH			"/usr/X11R6/bin/xauth"
123 
124 /* UNIX domain socket for X11 server; displaynum will replace %u */
125 #define _PATH_UNIX_X "/tmp/.X11-unix/X%u"
126 
127 /* for scp */
128 #define _PATH_CP			"cp"
129 
130 /* for sftp */
131 #define _PATH_SFTP_SERVER		"/usr/libexec/sftp-server"
132 #define _PATH_LS			"ls"
133 
134 /* chroot directory for unprivileged user when UsePrivilegeSeparation=yes */
135 #define _PATH_PRIVSEP_CHROOT_DIR	"/var/empty"
136 
137 /* for passwd change */
138 #define _PATH_PASSWD_PROG		"/usr/bin/passwd"
139