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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 Miller4af51302000-04-16 11:18:38 +100016/* RCSID("$Id: servconf.h,v 1.9 2000/04/16 01:18:45 damien 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 Millerd4a8b7e1999-10-27 13:42:43 +100027
Damien Miller95def091999-11-25 00:26:21 +110028typedef struct {
Damien Miller34132e52000-01-14 15:45:46 +110029 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. */
Damien Miller95def091999-11-25 00:26:21 +110034 char *host_key_file; /* File containing host key. */
Damien Millerefb4afe2000-04-12 18:45:05 +100035 char *dsa_key_file; /* File containing dsa host key. */
Damien Miller95def091999-11-25 00:26:21 +110036 int server_key_bits;/* Size of the server key. */
37 int login_grace_time; /* Disconnect if no auth in this time
38 * (sec). */
39 int key_regeneration_time; /* Server key lifetime (seconds). */
40 int permit_root_login; /* If true, permit root login. */
41 int ignore_rhosts; /* Ignore .rhosts and .shosts. */
42 int ignore_user_known_hosts; /* Ignore ~/.ssh/known_hosts
43 * for RhostsRsaAuth */
44 int print_motd; /* If true, print /etc/motd. */
45 int check_mail; /* If true, check for new mail. */
46 int x11_forwarding; /* If true, permit inet (spoofing) X11 fwd. */
47 int x11_display_offset; /* What DISPLAY number to start
48 * searching at */
49 int strict_modes; /* If true, require string home dir modes. */
50 int keepalives; /* If true, set SO_KEEPALIVE. */
Damien Miller78928792000-04-12 20:17:38 +100051 char *ciphers; /* Ciphers in order of preference. */
52 int protocol; /* Protocol in order of preference. */
Damien Miller95def091999-11-25 00:26:21 +110053 SyslogFacility log_facility; /* Facility for system logging. */
54 LogLevel log_level; /* Level for system logging. */
55 int rhosts_authentication; /* If true, permit rhosts
56 * authentication. */
57 int rhosts_rsa_authentication; /* If true, permit rhosts RSA
58 * authentication. */
59 int rsa_authentication; /* If true, permit RSA authentication. */
Damien Millerd4a8b7e1999-10-27 13:42:43 +100060#ifdef KRB4
Damien Miller95def091999-11-25 00:26:21 +110061 int kerberos_authentication; /* If true, permit Kerberos
62 * authentication. */
63 int kerberos_or_local_passwd; /* If true, permit kerberos
64 * and any other password
65 * authentication mechanism,
66 * such as SecurID or
67 * /etc/passwd */
68 int kerberos_ticket_cleanup; /* If true, destroy ticket
69 * file on logout. */
Damien Millerd4a8b7e1999-10-27 13:42:43 +100070#endif
71#ifdef AFS
Damien Miller95def091999-11-25 00:26:21 +110072 int kerberos_tgt_passing; /* If true, permit Kerberos tgt
73 * passing. */
74 int afs_token_passing; /* If true, permit AFS token passing. */
Damien Millerd4a8b7e1999-10-27 13:42:43 +100075#endif
Damien Miller95def091999-11-25 00:26:21 +110076 int password_authentication; /* If true, permit password
77 * authentication. */
Damien Millerd4a8b7e1999-10-27 13:42:43 +100078#ifdef SKEY
Damien Miller95def091999-11-25 00:26:21 +110079 int skey_authentication; /* If true, permit s/key
80 * authentication. */
Damien Millerd4a8b7e1999-10-27 13:42:43 +100081#endif
Damien Miller95def091999-11-25 00:26:21 +110082 int permit_empty_passwd; /* If false, do not permit empty
83 * passwords. */
84 int use_login; /* If true, login(1) is used */
85 unsigned int num_allow_users;
86 char *allow_users[MAX_ALLOW_USERS];
87 unsigned int num_deny_users;
88 char *deny_users[MAX_DENY_USERS];
89 unsigned int num_allow_groups;
90 char *allow_groups[MAX_ALLOW_GROUPS];
91 unsigned int num_deny_groups;
92 char *deny_groups[MAX_DENY_GROUPS];
93} ServerOptions;
Damien Miller5428f641999-11-25 11:54:57 +110094/*
95 * Initializes the server options to special values that indicate that they
96 * have not yet been set.
97 */
Damien Miller95def091999-11-25 00:26:21 +110098void initialize_server_options(ServerOptions * options);
Damien Millerd4a8b7e1999-10-27 13:42:43 +100099
Damien Miller5428f641999-11-25 11:54:57 +1100100/*
101 * Reads the server configuration file. This only sets the values for those
102 * options that have the special value indicating they have not been set.
103 */
Damien Miller95def091999-11-25 00:26:21 +1100104void read_server_config(ServerOptions * options, const char *filename);
Damien Millerd4a8b7e1999-10-27 13:42:43 +1000105
106/* Sets values for those values that have not yet been set. */
Damien Miller95def091999-11-25 00:26:21 +1100107void fill_default_server_options(ServerOptions * options);
Damien Millerd4a8b7e1999-10-27 13:42:43 +1000108
Damien Miller95def091999-11-25 00:26:21 +1100109#endif /* SERVCONF_H */