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af4bd935 | 1 | /* $OpenBSD: servconf.h,v 1.69 2004/05/23 23:59:53 dtucker Exp $ */ |
93c3b6de | 2 | |
8efc0c15 | 3 | /* |
5260325f | 4 | * Author: Tatu Ylonen <ylo@cs.hut.fi> |
5260325f | 5 | * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland |
6 | * All rights reserved | |
5260325f | 7 | * Definitions for server configuration data and for the functions reading it. |
6ae2364d | 8 | * |
bcbf86ec | 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". | |
5260325f | 14 | */ |
8efc0c15 | 15 | |
8efc0c15 | 16 | #ifndef SERVCONF_H |
17 | #define SERVCONF_H | |
18 | ||
48e671d5 | 19 | #define MAX_PORTS 256 /* Max # ports. */ |
20 | ||
5260325f | 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. */ | |
38c295d6 | 25 | #define MAX_SUBSYSTEMS 256 /* Max # subsystems. */ |
fa08c86b | 26 | #define MAX_HOSTKEYS 256 /* Max # hostkeys. */ |
61a2c1da | 27 | #define MAX_ACCEPT_ENV 256 /* Max # of env vars. */ |
8efc0c15 | 28 | |
15853e93 | 29 | /* permit_root_login */ |
30 | #define PERMIT_NOT_SET -1 | |
31 | #define PERMIT_NO 0 | |
32 | #define PERMIT_FORCED_ONLY 1 | |
33 | #define PERMIT_NO_PASSWD 2 | |
34 | #define PERMIT_YES 3 | |
35 | ||
af4bd935 | 36 | #define DEFAULT_AUTH_FAIL_MAX 6 /* Default for MaxAuthTries */ |
15853e93 | 37 | |
5260325f | 38 | typedef struct { |
1e3b8b07 | 39 | u_int num_ports; |
40 | u_int ports_from_cmdline; | |
48e671d5 | 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. */ | |
fa08c86b | 44 | char *host_key_files[MAX_HOSTKEYS]; /* Files containing host keys. */ |
45 | int num_host_key_files; /* Number of files for host keys. */ | |
0fbe8c74 | 46 | char *pid_file; /* Where to put our pid */ |
5260325f | 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). */ | |
15853e93 | 51 | int permit_root_login; /* PERMIT_*, see above */ |
5260325f | 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. */ | |
4f4648f9 | 56 | int print_lastlog; /* If true, print lastlog */ |
5260325f | 57 | int x11_forwarding; /* If true, permit inet (spoofing) X11 fwd. */ |
58 | int x11_display_offset; /* What DISPLAY number to start | |
59 | * searching at */ | |
e6e573bd | 60 | int x11_use_localhost; /* If true, use localhost for fake X11 server. */ |
fa649821 | 61 | char *xauth_location; /* Location of xauth program */ |
5260325f | 62 | int strict_modes; /* If true, require string home dir modes. */ |
fd573618 | 63 | int tcp_keep_alive; /* If true, set SO_KEEPALIVE. */ |
b2552997 | 64 | char *ciphers; /* Supported SSH2 ciphers. */ |
65 | char *macs; /* Supported SSH2 macs. */ | |
66 | int protocol; /* Supported protocol versions. */ | |
1d1ffb87 | 67 | int gateway_ports; /* If true, allow remote connects to forwarded ports. */ |
5260325f | 68 | SyslogFacility log_facility; /* Facility for system logging. */ |
69 | LogLevel log_level; /* Level for system logging. */ | |
5260325f | 70 | int rhosts_rsa_authentication; /* If true, permit rhosts RSA |
71 | * authentication. */ | |
8002af61 | 72 | int hostbased_authentication; /* If true, permit ssh2 hostbased auth */ |
73 | int hostbased_uses_name_from_packet_only; /* experimental */ | |
5260325f | 74 | int rsa_authentication; /* If true, permit RSA authentication. */ |
fa08c86b | 75 | int pubkey_authentication; /* If true, permit ssh2 pubkey authentication. */ |
5260325f | 76 | int kerberos_authentication; /* If true, permit Kerberos |
77 | * authentication. */ | |
78 | int kerberos_or_local_passwd; /* If true, permit kerberos | |
79 | * and any other password | |
80 | * authentication mechanism, | |
81 | * such as SecurID or | |
82 | * /etc/passwd */ | |
83 | int kerberos_ticket_cleanup; /* If true, destroy ticket | |
84 | * file on logout. */ | |
a1e30b47 | 85 | int kerberos_get_afs_token; /* If true, try to get AFS token if |
86 | * authenticated with Kerberos. */ | |
7364bd04 | 87 | int gss_authentication; /* If true, permit GSSAPI authentication */ |
88 | int gss_cleanup_creds; /* If true, destroy cred cache on logout */ | |
5260325f | 89 | int password_authentication; /* If true, permit password |
90 | * authentication. */ | |
94ec8c6b | 91 | int kbd_interactive_authentication; /* If true, permit */ |
5ba55ada | 92 | int challenge_response_authentication; |
5260325f | 93 | int permit_empty_passwd; /* If false, do not permit empty |
94 | * passwords. */ | |
f00bab84 | 95 | int permit_user_env; /* If true, read ~/.ssh/environment */ |
5260325f | 96 | int use_login; /* If true, login(1) is used */ |
636f76ca | 97 | int compression; /* If true, compression is allowed */ |
33de75a3 | 98 | int allow_tcp_forwarding; |
1e3b8b07 | 99 | u_int num_allow_users; |
5260325f | 100 | char *allow_users[MAX_ALLOW_USERS]; |
1e3b8b07 | 101 | u_int num_deny_users; |
5260325f | 102 | char *deny_users[MAX_DENY_USERS]; |
1e3b8b07 | 103 | u_int num_allow_groups; |
5260325f | 104 | char *allow_groups[MAX_ALLOW_GROUPS]; |
1e3b8b07 | 105 | u_int num_deny_groups; |
5260325f | 106 | char *deny_groups[MAX_DENY_GROUPS]; |
38c295d6 | 107 | |
1e3b8b07 | 108 | u_int num_subsystems; |
38c295d6 | 109 | char *subsystem_name[MAX_SUBSYSTEMS]; |
110 | char *subsystem_command[MAX_SUBSYSTEMS]; | |
089fbbd2 | 111 | |
61a2c1da | 112 | u_int num_accept_env; |
113 | char *accept_env[MAX_ACCEPT_ENV]; | |
114 | ||
c345cf9d | 115 | int max_startups_begin; |
116 | int max_startups_rate; | |
089fbbd2 | 117 | int max_startups; |
af4bd935 | 118 | int max_authtries; |
eea39c02 | 119 | char *banner; /* SSH-2 banner message */ |
c5a7d788 | 120 | int use_dns; |
3ffc6336 | 121 | int client_alive_interval; /* |
184eed6a | 122 | * poke the client this often to |
123 | * see if it's still there | |
3ffc6336 | 124 | */ |
125 | int client_alive_count_max; /* | |
6d7b3036 | 126 | * If the client is unresponsive |
127 | * for this many intervals above, | |
184eed6a | 128 | * disconnect the session |
3ffc6336 | 129 | */ |
4f1f4d8d | 130 | |
131 | char *authorized_keys_file; /* File containing public keys */ | |
132 | char *authorized_keys_file2; | |
7fceb20d | 133 | int use_pam; /* Enable auth via PAM */ |
5260325f | 134 | } ServerOptions; |
8efc0c15 | 135 | |
255cabd9 | 136 | void initialize_server_options(ServerOptions *); |
137 | void read_server_config(ServerOptions *, const char *); | |
138 | void fill_default_server_options(ServerOptions *); | |
2717fa0f | 139 | int process_server_config_line(ServerOptions *, char *, const char *, int); |
140 | ||
8efc0c15 | 141 | |
5260325f | 142 | #endif /* SERVCONF_H */ |