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Damien Millerd4a8b7e1999-10-27 13:42:43 +10001/*
Damien Miller4af51302000-04-16 11:18:38 +10002 *
Damien Miller95def091999-11-25 00:26:21 +11003 * servconf.h
Damien Miller4af51302000-04-16 11:18:38 +10004 *
Damien Miller95def091999-11-25 00:26:21 +11005 * Author: Tatu Ylonen <ylo@cs.hut.fi>
Damien Miller4af51302000-04-16 11:18:38 +10006 *
Damien Miller95def091999-11-25 00:26:21 +11007 * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
8 * All rights reserved
Damien Miller4af51302000-04-16 11:18:38 +10009 *
Damien Miller95def091999-11-25 00:26:21 +110010 * Created: Mon Aug 21 15:35:03 1995 ylo
Damien Miller4af51302000-04-16 11:18:38 +100011 *
Damien Miller95def091999-11-25 00:26:21 +110012 * Definitions for server configuration data and for the functions reading it.
Damien Miller4af51302000-04-16 11:18:38 +100013 *
Damien Miller95def091999-11-25 00:26:21 +110014 */
Damien Millerd4a8b7e1999-10-27 13:42:43 +100015
Damien Miller37023962000-07-11 17:31:38 +100016/* RCSID("$OpenBSD: servconf.h,v 1.26 2000/06/26 21:59:18 markus Exp $"); */
Damien Millerd4a8b7e1999-10-27 13:42:43 +100017
18#ifndef SERVCONF_H
19#define SERVCONF_H
20
Damien Miller34132e52000-01-14 15:45:46 +110021#define MAX_PORTS 256 /* Max # ports. */
22
Damien Miller95def091999-11-25 00:26:21 +110023#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. */
Damien Millerf6d9e222000-06-18 14:50:44 +100027#define MAX_SUBSYSTEMS 256 /* Max # subsystems. */
Damien Millerd4a8b7e1999-10-27 13:42:43 +100028
Damien Miller95def091999-11-25 00:26:21 +110029typedef struct {
Damien Miller34132e52000-01-14 15:45:46 +110030 unsigned int num_ports;
31 unsigned int ports_from_cmdline;
32 u_short ports[MAX_PORTS]; /* Port number to listen on. */
33 char *listen_addr; /* Address on which the server listens. */
34 struct addrinfo *listen_addrs; /* Addresses on which the server listens. */
Damien Miller95def091999-11-25 00:26:21 +110035 char *host_key_file; /* File containing host key. */
Damien Millere247cc42000-05-07 12:03:14 +100036 char *host_dsa_key_file; /* File containing dsa host key. */
Damien Miller6f83b8e2000-05-02 09:23:45 +100037 char *pid_file; /* Where to put our pid */
Damien Miller95def091999-11-25 00:26:21 +110038 int server_key_bits;/* Size of the server key. */
39 int login_grace_time; /* Disconnect if no auth in this time
40 * (sec). */
41 int key_regeneration_time; /* Server key lifetime (seconds). */
42 int permit_root_login; /* If true, permit root login. */
43 int ignore_rhosts; /* Ignore .rhosts and .shosts. */
44 int ignore_user_known_hosts; /* Ignore ~/.ssh/known_hosts
45 * for RhostsRsaAuth */
46 int print_motd; /* If true, print /etc/motd. */
47 int check_mail; /* If true, check for new mail. */
48 int x11_forwarding; /* If true, permit inet (spoofing) X11 fwd. */
49 int x11_display_offset; /* What DISPLAY number to start
50 * searching at */
Damien Millerd3a18572000-06-07 19:55:44 +100051 char *xauth_location; /* Location of xauth program */
Damien Miller95def091999-11-25 00:26:21 +110052 int strict_modes; /* If true, require string home dir modes. */
53 int keepalives; /* If true, set SO_KEEPALIVE. */
Damien Miller78928792000-04-12 20:17:38 +100054 char *ciphers; /* Ciphers in order of preference. */
55 int protocol; /* Protocol in order of preference. */
Damien Millere247cc42000-05-07 12:03:14 +100056 int gateway_ports; /* If true, allow remote connects to forwarded ports. */
Damien Miller95def091999-11-25 00:26:21 +110057 SyslogFacility log_facility; /* Facility for system logging. */
58 LogLevel log_level; /* Level for system logging. */
59 int rhosts_authentication; /* If true, permit rhosts
60 * authentication. */
61 int rhosts_rsa_authentication; /* If true, permit rhosts RSA
62 * authentication. */
63 int rsa_authentication; /* If true, permit RSA authentication. */
Damien Millere247cc42000-05-07 12:03:14 +100064 int dsa_authentication; /* If true, permit DSA authentication. */
Damien Millerd4a8b7e1999-10-27 13:42:43 +100065#ifdef KRB4
Damien Miller95def091999-11-25 00:26:21 +110066 int kerberos_authentication; /* If true, permit Kerberos
67 * authentication. */
68 int kerberos_or_local_passwd; /* If true, permit kerberos
69 * and any other password
70 * authentication mechanism,
71 * such as SecurID or
72 * /etc/passwd */
73 int kerberos_ticket_cleanup; /* If true, destroy ticket
74 * file on logout. */
Damien Millerd4a8b7e1999-10-27 13:42:43 +100075#endif
76#ifdef AFS
Damien Miller95def091999-11-25 00:26:21 +110077 int kerberos_tgt_passing; /* If true, permit Kerberos tgt
78 * passing. */
79 int afs_token_passing; /* If true, permit AFS token passing. */
Damien Millerd4a8b7e1999-10-27 13:42:43 +100080#endif
Damien Miller95def091999-11-25 00:26:21 +110081 int password_authentication; /* If true, permit password
82 * authentication. */
Damien Millerd4a8b7e1999-10-27 13:42:43 +100083#ifdef SKEY
Damien Miller95def091999-11-25 00:26:21 +110084 int skey_authentication; /* If true, permit s/key
85 * authentication. */
Damien Millerd4a8b7e1999-10-27 13:42:43 +100086#endif
Damien Miller95def091999-11-25 00:26:21 +110087 int permit_empty_passwd; /* If false, do not permit empty
88 * passwords. */
89 int use_login; /* If true, login(1) is used */
90 unsigned int num_allow_users;
91 char *allow_users[MAX_ALLOW_USERS];
92 unsigned int num_deny_users;
93 char *deny_users[MAX_DENY_USERS];
94 unsigned int num_allow_groups;
95 char *allow_groups[MAX_ALLOW_GROUPS];
96 unsigned int num_deny_groups;
97 char *deny_groups[MAX_DENY_GROUPS];
Damien Millerf6d9e222000-06-18 14:50:44 +100098
99 unsigned int num_subsystems;
100 char *subsystem_name[MAX_SUBSYSTEMS];
101 char *subsystem_command[MAX_SUBSYSTEMS];
Damien Miller37023962000-07-11 17:31:38 +1000102
103 int max_startups;
104
Damien Miller95def091999-11-25 00:26:21 +1100105} ServerOptions;
Damien Miller5428f641999-11-25 11:54:57 +1100106/*
107 * Initializes the server options to special values that indicate that they
108 * have not yet been set.
109 */
Damien Miller95def091999-11-25 00:26:21 +1100110void initialize_server_options(ServerOptions * options);
Damien Millerd4a8b7e1999-10-27 13:42:43 +1000111
Damien Miller5428f641999-11-25 11:54:57 +1100112/*
113 * Reads the server configuration file. This only sets the values for those
114 * options that have the special value indicating they have not been set.
115 */
Damien Miller95def091999-11-25 00:26:21 +1100116void read_server_config(ServerOptions * options, const char *filename);
Damien Millerd4a8b7e1999-10-27 13:42:43 +1000117
118/* Sets values for those values that have not yet been set. */
Damien Miller95def091999-11-25 00:26:21 +1100119void fill_default_server_options(ServerOptions * options);
Damien Millerd4a8b7e1999-10-27 13:42:43 +1000120
Damien Miller95def091999-11-25 00:26:21 +1100121#endif /* SERVCONF_H */