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8efc0c15 | 1 | /* |
5260325f | 2 | * Author: Tatu Ylonen <ylo@cs.hut.fi> |
5260325f | 3 | * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland |
4 | * All rights reserved | |
5260325f | 5 | * Definitions for server configuration data and for the functions reading it. |
6ae2364d | 6 | * |
bcbf86ec | 7 | * As far as I am concerned, the code I have written for this software |
8 | * can be used freely for any purpose. Any derived versions of this | |
9 | * software must be clearly marked as such, and if the derived work is | |
10 | * incompatible with the protocol description in the RFC file, it must be | |
11 | * called by a name other than "ssh" or "Secure Shell". | |
5260325f | 12 | */ |
8efc0c15 | 13 | |
f49bc4f7 | 14 | /* RCSID("$OpenBSD: servconf.h,v 1.44 2001/06/23 02:34:31 markus Exp $"); */ |
8efc0c15 | 15 | |
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. */ |
8efc0c15 | 27 | |
15853e93 | 28 | /* permit_root_login */ |
29 | #define PERMIT_NOT_SET -1 | |
30 | #define PERMIT_NO 0 | |
31 | #define PERMIT_FORCED_ONLY 1 | |
32 | #define PERMIT_NO_PASSWD 2 | |
33 | #define PERMIT_YES 3 | |
34 | ||
35 | ||
5260325f | 36 | typedef struct { |
1e3b8b07 | 37 | u_int num_ports; |
38 | u_int ports_from_cmdline; | |
48e671d5 | 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. */ | |
fa08c86b | 42 | char *host_key_files[MAX_HOSTKEYS]; /* Files containing host keys. */ |
43 | int num_host_key_files; /* Number of files for host keys. */ | |
0fbe8c74 | 44 | char *pid_file; /* Where to put our pid */ |
5260325f | 45 | int server_key_bits;/* Size of the server key. */ |
46 | int login_grace_time; /* Disconnect if no auth in this time | |
47 | * (sec). */ | |
48 | int key_regeneration_time; /* Server key lifetime (seconds). */ | |
15853e93 | 49 | int permit_root_login; /* PERMIT_*, see above */ |
5260325f | 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. */ | |
4f4648f9 | 54 | int print_lastlog; /* If true, print lastlog */ |
5260325f | 55 | int check_mail; /* If true, check for new mail. */ |
56 | int x11_forwarding; /* If true, permit inet (spoofing) X11 fwd. */ | |
57 | int x11_display_offset; /* What DISPLAY number to start | |
58 | * searching at */ | |
fa649821 | 59 | char *xauth_location; /* Location of xauth program */ |
5260325f | 60 | int strict_modes; /* If true, require string home dir modes. */ |
61 | int keepalives; /* If true, set SO_KEEPALIVE. */ | |
b2552997 | 62 | char *ciphers; /* Supported SSH2 ciphers. */ |
63 | char *macs; /* Supported SSH2 macs. */ | |
64 | int protocol; /* Supported protocol versions. */ | |
1d1ffb87 | 65 | int gateway_ports; /* If true, allow remote connects to forwarded ports. */ |
5260325f | 66 | SyslogFacility log_facility; /* Facility for system logging. */ |
67 | LogLevel log_level; /* Level for system logging. */ | |
68 | int rhosts_authentication; /* If true, permit rhosts | |
69 | * authentication. */ | |
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. */ |
8efc0c15 | 76 | #ifdef KRB4 |
5260325f | 77 | int kerberos_authentication; /* If true, permit Kerberos |
78 | * authentication. */ | |
79 | int kerberos_or_local_passwd; /* If true, permit kerberos | |
80 | * and any other password | |
81 | * authentication mechanism, | |
82 | * such as SecurID or | |
83 | * /etc/passwd */ | |
84 | int kerberos_ticket_cleanup; /* If true, destroy ticket | |
85 | * file on logout. */ | |
8efc0c15 | 86 | #endif |
87 | #ifdef AFS | |
5260325f | 88 | int kerberos_tgt_passing; /* If true, permit Kerberos tgt |
89 | * passing. */ | |
90 | int afs_token_passing; /* If true, permit AFS token passing. */ | |
8efc0c15 | 91 | #endif |
5260325f | 92 | int password_authentication; /* If true, permit password |
93 | * authentication. */ | |
94ec8c6b | 94 | int kbd_interactive_authentication; /* If true, permit */ |
5ba55ada | 95 | int challenge_response_authentication; |
5260325f | 96 | int permit_empty_passwd; /* If false, do not permit empty |
97 | * passwords. */ | |
98 | int use_login; /* If true, login(1) is used */ | |
33de75a3 | 99 | int allow_tcp_forwarding; |
1e3b8b07 | 100 | u_int num_allow_users; |
5260325f | 101 | char *allow_users[MAX_ALLOW_USERS]; |
1e3b8b07 | 102 | u_int num_deny_users; |
5260325f | 103 | char *deny_users[MAX_DENY_USERS]; |
1e3b8b07 | 104 | u_int num_allow_groups; |
5260325f | 105 | char *allow_groups[MAX_ALLOW_GROUPS]; |
1e3b8b07 | 106 | u_int num_deny_groups; |
5260325f | 107 | char *deny_groups[MAX_DENY_GROUPS]; |
38c295d6 | 108 | |
1e3b8b07 | 109 | u_int num_subsystems; |
38c295d6 | 110 | char *subsystem_name[MAX_SUBSYSTEMS]; |
111 | char *subsystem_command[MAX_SUBSYSTEMS]; | |
089fbbd2 | 112 | |
c345cf9d | 113 | int max_startups_begin; |
114 | int max_startups_rate; | |
089fbbd2 | 115 | int max_startups; |
eea39c02 | 116 | char *banner; /* SSH-2 banner message */ |
61e96248 | 117 | int reverse_mapping_check; /* cross-check ip and dns */ |
3ffc6336 | 118 | int client_alive_interval; /* |
119 | * poke the client this often to | |
120 | * see if it's still there | |
121 | */ | |
122 | int client_alive_count_max; /* | |
123 | *If the client is unresponsive | |
124 | * for this many intervals, above | |
125 | * diconnect the session | |
126 | */ | |
c8445989 | 127 | char *authorized_keys_file; /* File containing public RSA keys */ |
128 | char *authorized_keys_file2; /* File containing public SSH2 keys */ | |
10f72868 | 129 | int pam_authentication_via_kbd_int; |
5260325f | 130 | } ServerOptions; |
aa3378df | 131 | /* |
132 | * Initializes the server options to special values that indicate that they | |
133 | * have not yet been set. | |
134 | */ | |
5260325f | 135 | void initialize_server_options(ServerOptions * options); |
8efc0c15 | 136 | |
aa3378df | 137 | /* |
138 | * Reads the server configuration file. This only sets the values for those | |
139 | * options that have the special value indicating they have not been set. | |
140 | */ | |
5260325f | 141 | void read_server_config(ServerOptions * options, const char *filename); |
8efc0c15 | 142 | |
143 | /* Sets values for those values that have not yet been set. */ | |
5260325f | 144 | void fill_default_server_options(ServerOptions * options); |
8efc0c15 | 145 | |
5260325f | 146 | #endif /* SERVCONF_H */ |