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