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 * $FreeBSD$ 15 */ 16 17 /* RCSID("$Id: servconf.h,v 1.15 2000/01/04 00:08:00 markus Exp $"); */ 18 19 #ifndef SERVCONF_H 20 #define SERVCONF_H 21 22 #define MAX_PORTS 256 /* Max # ports. */ 23 24 #define MAX_ALLOW_USERS 256 /* Max # users on allow list. */ 25 #define MAX_DENY_USERS 256 /* Max # users on deny list. */ 26 #define MAX_ALLOW_GROUPS 256 /* Max # groups on allow list. */ 27 #define MAX_DENY_GROUPS 256 /* Max # groups on deny list. */ 28 29 typedef struct { 30 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. */ 35 char *host_key_file; /* File containing host key. */ 36 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. */ 51 SyslogFacility log_facility; /* Facility for system logging. */ 52 LogLevel log_level; /* Level for system logging. */ 53 int rhosts_authentication; /* If true, permit rhosts 54 * authentication. */ 55 int rhosts_rsa_authentication; /* If true, permit rhosts RSA 56 * authentication. */ 57 int rsa_authentication; /* If true, permit RSA authentication. */ 58 #ifdef KRB4 59 int krb4_authentication; /* If true, permit Kerberos v4 60 * authentication. */ 61 int krb4_or_local_passwd; /* If true, permit kerberos v4 62 * and any other password 63 * authentication mechanism, 64 * such as SecurID or 65 * /etc/passwd */ 66 int krb4_ticket_cleanup; /* If true, destroy ticket 67 * file on logout. */ 68 #endif 69 #ifdef KRB5 70 int krb5_authentication; 71 int krb5_tgt_passing; 72 73 #endif /* KRB5 */ 74 #ifdef AFS 75 int krb4_tgt_passing; /* If true, permit Kerberos v4 tgt 76 * passing. */ 77 int afs_token_passing; /* If true, permit AFS token passing. */ 78 #endif 79 int password_authentication; /* If true, permit password 80 * authentication. */ 81 #ifdef SKEY 82 int skey_authentication; /* If true, permit s/key 83 * authentication. */ 84 #endif 85 int permit_empty_passwd; /* If false, do not permit empty 86 * passwords. */ 87 int use_login; /* If true, login(1) is used */ 88 unsigned int num_allow_users; 89 char *allow_users[MAX_ALLOW_USERS]; 90 unsigned int num_deny_users; 91 char *deny_users[MAX_DENY_USERS]; 92 unsigned int num_allow_groups; 93 char *allow_groups[MAX_ALLOW_GROUPS]; 94 unsigned int num_deny_groups; 95 char *deny_groups[MAX_DENY_GROUPS]; 96 unsigned int connections_per_period; /* 97 * If not 0, number of sshd 98 * connections accepted per 99 * connections_period. 100 */ 101 unsigned int connections_period; 102 } ServerOptions; 103 /* 104 * Initializes the server options to special values that indicate that they 105 * have not yet been set. 106 */ 107 void initialize_server_options(ServerOptions * options); 108 109 /* 110 * Reads the server configuration file. This only sets the values for those 111 * options that have the special value indicating they have not been set. 112 */ 113 void read_server_config(ServerOptions * options, const char *filename); 114 115 /* Sets values for those values that have not yet been set. */ 116 void fill_default_server_options(ServerOptions * options); 117 118 #endif /* SERVCONF_H */ 119