servconf.h revision 69591 
1/*
2 * Author: Tatu Ylonen <ylo@cs.hut.fi>
3 * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
4 *                    All rights reserved
5 * Definitions for server configuration data and for the functions reading it.
6 *
7 * As far as I am concerned, the code I have written for this software
8 * can be used freely for any purpose.  Any derived versions of this
9 * software must be clearly marked as such, and if the derived work is
10 * incompatible with the protocol description in the RFC file, it must be
11 * called by a name other than "ssh" or "Secure Shell".
12 */
13
14/* RCSID("$OpenBSD: servconf.h,v 1.30 2000/10/14 12:12:09 markus Exp $"); */
15/* $FreeBSD: head/crypto/openssh/servconf.h 69591 2000-12-05 02:55:12Z green $ */
16
17#ifndef SERVCONF_H
18#define SERVCONF_H
19
20#define MAX_PORTS		256	/* Max # ports. */
21
22#define MAX_ALLOW_USERS		256	/* Max # users on allow list. */
23#define MAX_DENY_USERS		256	/* Max # users on deny list. */
24#define MAX_ALLOW_GROUPS	256	/* Max # groups on allow list. */
25#define MAX_DENY_GROUPS		256	/* Max # groups on deny list. */
26#define MAX_SUBSYSTEMS		256	/* Max # subsystems. */
27
28typedef struct {
29	unsigned int num_ports;
30	unsigned int ports_from_cmdline;
31	u_short ports[MAX_PORTS];	/* Port number to listen on. */
32	char   *listen_addr;		/* Address on which the server listens. */
33	struct addrinfo *listen_addrs;	/* Addresses on which the server listens. */
34	char   *host_key_file;	/* File containing host key. */
35	char   *host_dsa_key_file;	/* File containing dsa host key. */
36	char   *pid_file;	/* Where to put our pid */
37	int     server_key_bits;/* Size of the server key. */
38	int     login_grace_time;	/* Disconnect if no auth in this time
39					 * (sec). */
40	int     key_regeneration_time;	/* Server key lifetime (seconds). */
41	int     permit_root_login;	/* If true, permit root login. */
42	int     ignore_rhosts;	/* Ignore .rhosts and .shosts. */
43	int     ignore_user_known_hosts;	/* Ignore ~/.ssh/known_hosts
44						 * for RhostsRsaAuth */
45	int     print_motd;	/* If true, print /etc/motd. */
46	int     check_mail;	/* If true, check for new mail. */
47	int     x11_forwarding;	/* If true, permit inet (spoofing) X11 fwd. */
48	int     x11_display_offset;	/* What DISPLAY number to start
49					 * searching at */
50	char   *xauth_location;	/* Location of xauth program */
51	int     strict_modes;	/* If true, require string home dir modes. */
52	int     keepalives;	/* If true, set SO_KEEPALIVE. */
53	char   *ciphers;	/* Ciphers in order of preference. */
54	int	protocol;	/* Protocol in order of preference. */
55	int     gateway_ports;	/* If true, allow remote connects to forwarded ports. */
56	SyslogFacility log_facility;	/* Facility for system logging. */
57	LogLevel log_level;	/* Level for system logging. */
58	int     rhosts_authentication;	/* If true, permit rhosts
59					 * authentication. */
60	int     rhosts_rsa_authentication;	/* If true, permit rhosts RSA
61						 * authentication. */
62	int     rsa_authentication;	/* If true, permit RSA authentication. */
63	int     dsa_authentication;	/* If true, permit DSA authentication. */
64#ifdef KRB4
65	int     krb4_authentication;		/* If true, permit Kerberos v4
66						 * authentication. */
67	int     krb4_or_local_passwd;		/* If true, permit kerberos v4
68						 * and any other password
69						 * authentication mechanism,
70						 * such as SecurID or
71						 * /etc/passwd */
72	int     krb4_ticket_cleanup;		/* If true, destroy ticket
73						 * file on logout. */
74#endif
75#ifdef KRB5
76	int     krb5_authentication;
77	int     krb5_tgt_passing;
78
79#endif /* KRB5 */
80#ifdef AFS
81	int     krb4_tgt_passing;	/* If true, permit Kerberos v4 tgt
82					 * passing. */
83	int     afs_token_passing;	/* If true, permit AFS token passing. */
84#endif
85	int     password_authentication;	/* If true, permit password
86						 * authentication. */
87	int     kbd_interactive_authentication;	/* If true, permit */
88#ifdef SKEY
89	int     skey_authentication;	/* If true, permit s/key
90					 * authentication. */
91#endif
92	int     permit_empty_passwd;	/* If false, do not permit empty
93					 * passwords. */
94	int     use_login;	/* If true, login(1) is used */
95	int	allow_tcp_forwarding;
96	unsigned int num_allow_users;
97	char   *allow_users[MAX_ALLOW_USERS];
98	unsigned int num_deny_users;
99	char   *deny_users[MAX_DENY_USERS];
100	unsigned int num_allow_groups;
101	char   *allow_groups[MAX_ALLOW_GROUPS];
102	unsigned int num_deny_groups;
103	char   *deny_groups[MAX_DENY_GROUPS];
104	unsigned int connections_per_period;	/*
105						 * If not 0, number of sshd
106						 * connections accepted per
107						 * connections_period.
108						 */
109	unsigned int connections_period;
110
111	unsigned int num_subsystems;
112	char   *subsystem_name[MAX_SUBSYSTEMS];
113	char   *subsystem_command[MAX_SUBSYSTEMS];
114
115	int	max_startups_begin;
116	int	max_startups_rate;
117	int	max_startups;
118
119}       ServerOptions;
120/*
121 * Initializes the server options to special values that indicate that they
122 * have not yet been set.
123 */
124void    initialize_server_options(ServerOptions * options);
125
126/*
127 * Reads the server configuration file.  This only sets the values for those
128 * options that have the special value indicating they have not been set.
129 */
130void    read_server_config(ServerOptions * options, const char *filename);
131
132/* Sets values for those values that have not yet been set. */
133void    fill_default_server_options(ServerOptions * options);
134
135#endif				/* SERVCONF_H */
136