servconf.h revision 57430 
1/*
2 *
3 * servconf.h
4 *
5 * Author: Tatu Ylonen <ylo@cs.hut.fi>
6 *
7 * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
8 *                    All rights reserved
9 *
10 * Created: Mon Aug 21 15:35:03 1995 ylo
11 *
12 * Definitions for server configuration data and for the functions reading it.
13 *
14 */
15
16/* RCSID("$Id: servconf.h,v 1.15 2000/01/04 00:08:00 markus Exp $"); */
17
18#ifndef SERVCONF_H
19#define SERVCONF_H
20
21#define MAX_PORTS		256	/* Max # ports. */
22
23#define MAX_ALLOW_USERS		256	/* Max # users on allow list. */
24#define MAX_DENY_USERS		256	/* Max # users on deny list. */
25#define MAX_ALLOW_GROUPS	256	/* Max # groups on allow list. */
26#define MAX_DENY_GROUPS		256	/* Max # groups on deny list. */
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	int     server_key_bits;/* Size of the server key. */
36	int     login_grace_time;	/* Disconnect if no auth in this time
37					 * (sec). */
38	int     key_regeneration_time;	/* Server key lifetime (seconds). */
39	int     permit_root_login;	/* If true, permit root login. */
40	int     ignore_rhosts;	/* Ignore .rhosts and .shosts. */
41	int     ignore_user_known_hosts;	/* Ignore ~/.ssh/known_hosts
42						 * for RhostsRsaAuth */
43	int     print_motd;	/* If true, print /etc/motd. */
44	int     check_mail;	/* If true, check for new mail. */
45	int     x11_forwarding;	/* If true, permit inet (spoofing) X11 fwd. */
46	int     x11_display_offset;	/* What DISPLAY number to start
47					 * searching at */
48	int     strict_modes;	/* If true, require string home dir modes. */
49	int     keepalives;	/* If true, set SO_KEEPALIVE. */
50	SyslogFacility log_facility;	/* Facility for system logging. */
51	LogLevel log_level;	/* Level for system logging. */
52	int     rhosts_authentication;	/* If true, permit rhosts
53					 * authentication. */
54	int     rhosts_rsa_authentication;	/* If true, permit rhosts RSA
55						 * authentication. */
56	int     rsa_authentication;	/* If true, permit RSA authentication. */
57#ifdef KRB4
58	int     kerberos_authentication;	/* If true, permit Kerberos
59						 * authentication. */
60	int     kerberos_or_local_passwd;	/* If true, permit kerberos
61						 * and any other password
62						 * authentication mechanism,
63						 * such as SecurID or
64						 * /etc/passwd */
65	int     kerberos_ticket_cleanup;	/* If true, destroy ticket
66						 * file on logout. */
67#endif
68#ifdef AFS
69	int     kerberos_tgt_passing;	/* If true, permit Kerberos tgt
70					 * passing. */
71	int     afs_token_passing;	/* If true, permit AFS token passing. */
72#endif
73	int     password_authentication;	/* If true, permit password
74						 * authentication. */
75#ifdef SKEY
76	int     skey_authentication;	/* If true, permit s/key
77					 * authentication. */
78#endif
79	int     permit_empty_passwd;	/* If false, do not permit empty
80					 * passwords. */
81	int     use_login;	/* If true, login(1) is used */
82	unsigned int num_allow_users;
83	char   *allow_users[MAX_ALLOW_USERS];
84	unsigned int num_deny_users;
85	char   *deny_users[MAX_DENY_USERS];
86	unsigned int num_allow_groups;
87	char   *allow_groups[MAX_ALLOW_GROUPS];
88	unsigned int num_deny_groups;
89	char   *deny_groups[MAX_DENY_GROUPS];
90}       ServerOptions;
91/*
92 * Initializes the server options to special values that indicate that they
93 * have not yet been set.
94 */
95void    initialize_server_options(ServerOptions * options);
96
97/*
98 * Reads the server configuration file.  This only sets the values for those
99 * options that have the special value indicating they have not been set.
100 */
101void    read_server_config(ServerOptions * options, const char *filename);
102
103/* Sets values for those values that have not yet been set. */
104void    fill_default_server_options(ServerOptions * options);
105
106#endif				/* SERVCONF_H */
107