1 /* $OpenBSD: servconf.h,v 1.67 2003/12/23 16:12:10 jakob Exp $ */
4 * Author: Tatu Ylonen <ylo@cs.hut.fi>
5 * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
7 * Definitions for server configuration data and for the functions reading it.
9 * As far as I am concerned, the code I have written for this software
10 * can be used freely for any purpose. Any derived versions of this
11 * software must be clearly marked as such, and if the derived work is
12 * incompatible with the protocol description in the RFC file, it must be
13 * called by a name other than "ssh" or "Secure Shell".
19 #define MAX_PORTS 256 /* Max # ports. */
21 #define MAX_ALLOW_USERS 256 /* Max # users on allow list. */
22 #define MAX_DENY_USERS 256 /* Max # users on deny list. */
23 #define MAX_ALLOW_GROUPS 256 /* Max # groups on allow list. */
24 #define MAX_DENY_GROUPS 256 /* Max # groups on deny list. */
25 #define MAX_SUBSYSTEMS 256 /* Max # subsystems. */
26 #define MAX_HOSTKEYS 256 /* Max # hostkeys. */
28 /* permit_root_login */
29 #define PERMIT_NOT_SET -1
31 #define PERMIT_FORCED_ONLY 1
32 #define PERMIT_NO_PASSWD 2
38 u_int ports_from_cmdline
;
39 u_short ports
[MAX_PORTS
]; /* Port number to listen on. */
40 char *listen_addr
; /* Address on which the server listens. */
41 struct addrinfo
*listen_addrs
; /* Addresses on which the server listens. */
42 char *host_key_files
[MAX_HOSTKEYS
]; /* Files containing host keys. */
43 int num_host_key_files
; /* Number of files for host keys. */
44 char *pid_file
; /* Where to put our pid */
45 int server_key_bits
;/* Size of the server key. */
46 int login_grace_time
; /* Disconnect if no auth in this time
48 int key_regeneration_time
; /* Server key lifetime (seconds). */
49 int permit_root_login
; /* PERMIT_*, see above */
50 int ignore_rhosts
; /* Ignore .rhosts and .shosts. */
51 int ignore_user_known_hosts
; /* Ignore ~/.ssh/known_hosts
52 * for RhostsRsaAuth */
53 int print_motd
; /* If true, print /etc/motd. */
54 int print_lastlog
; /* If true, print lastlog */
55 int x11_forwarding
; /* If true, permit inet (spoofing) X11 fwd. */
56 int x11_display_offset
; /* What DISPLAY number to start
58 int x11_use_localhost
; /* If true, use localhost for fake X11 server. */
59 char *xauth_location
; /* Location of xauth program */
60 int strict_modes
; /* If true, require string home dir modes. */
61 int tcp_keep_alive
; /* If true, set SO_KEEPALIVE. */
62 char *ciphers
; /* Supported SSH2 ciphers. */
63 char *macs
; /* Supported SSH2 macs. */
64 int protocol
; /* Supported protocol versions. */
65 int gateway_ports
; /* If true, allow remote connects to forwarded ports. */
66 SyslogFacility log_facility
; /* Facility for system logging. */
67 LogLevel log_level
; /* Level for system logging. */
68 int rhosts_rsa_authentication
; /* If true, permit rhosts RSA
70 int hostbased_authentication
; /* If true, permit ssh2 hostbased auth */
71 int hostbased_uses_name_from_packet_only
; /* experimental */
72 int rsa_authentication
; /* If true, permit RSA authentication. */
73 int pubkey_authentication
; /* If true, permit ssh2 pubkey authentication. */
74 int kerberos_authentication
; /* If true, permit Kerberos
76 int kerberos_or_local_passwd
; /* If true, permit kerberos
77 * and any other password
78 * authentication mechanism,
81 int kerberos_ticket_cleanup
; /* If true, destroy ticket
83 int kerberos_get_afs_token
; /* If true, try to get AFS token if
84 * authenticated with Kerberos. */
85 int gss_authentication
; /* If true, permit GSSAPI authentication */
86 int gss_cleanup_creds
; /* If true, destroy cred cache on logout */
87 int password_authentication
; /* If true, permit password
89 int kbd_interactive_authentication
; /* If true, permit */
90 int challenge_response_authentication
;
91 int permit_empty_passwd
; /* If false, do not permit empty
93 int permit_user_env
; /* If true, read ~/.ssh/environment */
94 int use_login
; /* If true, login(1) is used */
95 int compression
; /* If true, compression is allowed */
96 int allow_tcp_forwarding
;
97 u_int num_allow_users
;
98 char *allow_users
[MAX_ALLOW_USERS
];
100 char *deny_users
[MAX_DENY_USERS
];
101 u_int num_allow_groups
;
102 char *allow_groups
[MAX_ALLOW_GROUPS
];
103 u_int num_deny_groups
;
104 char *deny_groups
[MAX_DENY_GROUPS
];
106 u_int num_subsystems
;
107 char *subsystem_name
[MAX_SUBSYSTEMS
];
108 char *subsystem_command
[MAX_SUBSYSTEMS
];
110 int max_startups_begin
;
111 int max_startups_rate
;
113 char *banner
; /* SSH-2 banner message */
115 int client_alive_interval
; /*
116 * poke the client this often to
117 * see if it's still there
119 int client_alive_count_max
; /*
120 * If the client is unresponsive
121 * for this many intervals above,
122 * disconnect the session
125 char *authorized_keys_file
; /* File containing public keys */
126 char *authorized_keys_file2
;
127 int use_pam
; /* Enable auth via PAM */
130 void initialize_server_options(ServerOptions
*);
131 void read_server_config(ServerOptions
*, const char *);
132 void fill_default_server_options(ServerOptions
*);
133 int process_server_config_line(ServerOptions
*, char *, const char *, int);
136 #endif /* SERVCONF_H */