1 /* $OpenBSD: servconf.h,v 1.59 2002/07/30 17:03:55 markus Exp $ */ 2 /* $FreeBSD: src/crypto/openssh/servconf.h,v 1.3.2.7 2003/02/03 17:31:07 des Exp $ */ 3 /* $DragonFly: src/crypto/openssh/Attic/servconf.h,v 1.2 2003/06/17 04:24:36 dillon Exp $ */ 4 5 /* 6 * Author: Tatu Ylonen <ylo@cs.hut.fi> 7 * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland 8 * All rights reserved 9 * Definitions for server configuration data and for the functions reading it. 10 * 11 * As far as I am concerned, the code I have written for this software 12 * can be used freely for any purpose. Any derived versions of this 13 * software must be clearly marked as such, and if the derived work is 14 * incompatible with the protocol description in the RFC file, it must be 15 * called by a name other than "ssh" or "Secure Shell". 16 */ 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 #define MAX_SUBSYSTEMS 256 /* Max # subsystems. */ 28 #define MAX_HOSTKEYS 256 /* Max # hostkeys. */ 29 30 /* permit_root_login */ 31 #define PERMIT_NOT_SET -1 32 #define PERMIT_NO 0 33 #define PERMIT_FORCED_ONLY 1 34 #define PERMIT_NO_PASSWD 2 35 #define PERMIT_YES 3 36 37 38 typedef struct { 39 u_int num_ports; 40 u_int ports_from_cmdline; 41 u_short ports[MAX_PORTS]; /* Port number to listen on. */ 42 char *listen_addr; /* Address on which the server listens. */ 43 struct addrinfo *listen_addrs; /* Addresses on which the server listens. */ 44 char *host_key_files[MAX_HOSTKEYS]; /* Files containing host keys. */ 45 int num_host_key_files; /* Number of files for host keys. */ 46 char *pid_file; /* Where to put our pid */ 47 int server_key_bits;/* Size of the server key. */ 48 int login_grace_time; /* Disconnect if no auth in this time 49 * (sec). */ 50 int key_regeneration_time; /* Server key lifetime (seconds). */ 51 int permit_root_login; /* PERMIT_*, see above */ 52 int ignore_rhosts; /* Ignore .rhosts and .shosts. */ 53 int ignore_user_known_hosts; /* Ignore ~/.ssh/known_hosts 54 * for RhostsRsaAuth */ 55 int print_motd; /* If true, print /etc/motd. */ 56 int print_lastlog; /* If true, print lastlog */ 57 int x11_forwarding; /* If true, permit inet (spoofing) X11 fwd. */ 58 int x11_display_offset; /* What DISPLAY number to start 59 * searching at */ 60 int x11_use_localhost; /* If true, use localhost for fake X11 server. */ 61 char *xauth_location; /* Location of xauth program */ 62 int strict_modes; /* If true, require string home dir modes. */ 63 int keepalives; /* If true, set SO_KEEPALIVE. */ 64 char *ciphers; /* Supported SSH2 ciphers. */ 65 char *macs; /* Supported SSH2 macs. */ 66 int protocol; /* Supported protocol versions. */ 67 int gateway_ports; /* If true, allow remote connects to forwarded ports. */ 68 SyslogFacility log_facility; /* Facility for system logging. */ 69 LogLevel log_level; /* Level for system logging. */ 70 int rhosts_authentication; /* If true, permit rhosts 71 * authentication. */ 72 int rhosts_rsa_authentication; /* If true, permit rhosts RSA 73 * authentication. */ 74 int hostbased_authentication; /* If true, permit ssh2 hostbased auth */ 75 int hostbased_uses_name_from_packet_only; /* experimental */ 76 int rsa_authentication; /* If true, permit RSA authentication. */ 77 int pubkey_authentication; /* If true, permit ssh2 pubkey authentication. */ 78 #if defined(KRB4) || defined(KRB5) 79 int kerberos_authentication; /* If true, permit Kerberos 80 * authentication. */ 81 int kerberos_or_local_passwd; /* If true, permit kerberos 82 * and any other password 83 * authentication mechanism, 84 * such as SecurID or 85 * /etc/passwd */ 86 int kerberos_ticket_cleanup; /* If true, destroy ticket 87 * file on logout. */ 88 #endif 89 #if defined(AFS) || defined(KRB5) 90 int kerberos_tgt_passing; /* If true, permit Kerberos TGT 91 * passing. */ 92 #endif 93 #ifdef AFS 94 int afs_token_passing; /* If true, permit AFS token passing. */ 95 #endif 96 int password_authentication; /* If true, permit password 97 * authentication. */ 98 int kbd_interactive_authentication; /* If true, permit */ 99 int challenge_response_authentication; 100 int permit_empty_passwd; /* If false, do not permit empty 101 * passwords. */ 102 int permit_user_env; /* If true, read ~/.ssh/environment */ 103 int use_login; /* If true, login(1) is used */ 104 int compression; /* If true, compression is allowed */ 105 int allow_tcp_forwarding; 106 u_int num_allow_users; 107 char *allow_users[MAX_ALLOW_USERS]; 108 u_int num_deny_users; 109 char *deny_users[MAX_DENY_USERS]; 110 u_int num_allow_groups; 111 char *allow_groups[MAX_ALLOW_GROUPS]; 112 u_int num_deny_groups; 113 char *deny_groups[MAX_DENY_GROUPS]; 114 115 u_int num_subsystems; 116 char *subsystem_name[MAX_SUBSYSTEMS]; 117 char *subsystem_command[MAX_SUBSYSTEMS]; 118 119 int max_startups_begin; 120 int max_startups_rate; 121 int max_startups; 122 char *banner; /* SSH-2 banner message */ 123 int verify_reverse_mapping; /* cross-check ip and dns */ 124 int client_alive_interval; /* 125 * poke the client this often to 126 * see if it's still there 127 */ 128 int client_alive_count_max; /* 129 * If the client is unresponsive 130 * for this many intervals above, 131 * disconnect the session 132 */ 133 134 char *authorized_keys_file; /* File containing public keys */ 135 char *authorized_keys_file2; 136 int pam_authentication_via_kbd_int; 137 } ServerOptions; 138 139 void initialize_server_options(ServerOptions *); 140 void read_server_config(ServerOptions *, const char *); 141 void fill_default_server_options(ServerOptions *); 142 int process_server_config_line(ServerOptions *, char *, const char *, int); 143 144 145 #endif /* SERVCONF_H */ 146