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5134115d | 1 | /* $OpenBSD: servconf.h,v 1.87 2009/01/22 10:02:34 djm 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. */ |
fa47fe3c | 28 | #define MAX_MATCH_GROUPS 256 /* Max # of groups for Match. */ |
8efc0c15 | 29 | |
15853e93 | 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 | ||
af4bd935 | 37 | #define DEFAULT_AUTH_FAIL_MAX 6 /* Default for MaxAuthTries */ |
c6dca55e | 38 | #define DEFAULT_SESSIONS_MAX 10 /* Default for MaxSessions */ |
15853e93 | 39 | |
3dfce5de | 40 | /* Magic name for internal sftp-server */ |
41 | #define INTERNAL_SFTP_NAME "internal-sftp" | |
42 | ||
5260325f | 43 | typedef struct { |
5134115d | 44 | u_int num_ports; |
45 | u_int ports_from_cmdline; | |
46 | int ports[MAX_PORTS]; /* Port number to listen on. */ | |
48e671d5 | 47 | char *listen_addr; /* Address on which the server listens. */ |
48 | struct addrinfo *listen_addrs; /* Addresses on which the server listens. */ | |
31b41ceb | 49 | int address_family; /* Address family used by the server. */ |
fa08c86b | 50 | char *host_key_files[MAX_HOSTKEYS]; /* Files containing host keys. */ |
51 | int num_host_key_files; /* Number of files for host keys. */ | |
0fbe8c74 | 52 | char *pid_file; /* Where to put our pid */ |
5260325f | 53 | int server_key_bits;/* Size of the server key. */ |
54 | int login_grace_time; /* Disconnect if no auth in this time | |
55 | * (sec). */ | |
56 | int key_regeneration_time; /* Server key lifetime (seconds). */ | |
15853e93 | 57 | int permit_root_login; /* PERMIT_*, see above */ |
5260325f | 58 | int ignore_rhosts; /* Ignore .rhosts and .shosts. */ |
59 | int ignore_user_known_hosts; /* Ignore ~/.ssh/known_hosts | |
60 | * for RhostsRsaAuth */ | |
61 | int print_motd; /* If true, print /etc/motd. */ | |
4f4648f9 | 62 | int print_lastlog; /* If true, print lastlog */ |
5260325f | 63 | int x11_forwarding; /* If true, permit inet (spoofing) X11 fwd. */ |
64 | int x11_display_offset; /* What DISPLAY number to start | |
65 | * searching at */ | |
e6e573bd | 66 | int x11_use_localhost; /* If true, use localhost for fake X11 server. */ |
fa649821 | 67 | char *xauth_location; /* Location of xauth program */ |
5260325f | 68 | int strict_modes; /* If true, require string home dir modes. */ |
fd573618 | 69 | int tcp_keep_alive; /* If true, set SO_KEEPALIVE. */ |
b2552997 | 70 | char *ciphers; /* Supported SSH2 ciphers. */ |
71 | char *macs; /* Supported SSH2 macs. */ | |
72 | int protocol; /* Supported protocol versions. */ | |
1d1ffb87 | 73 | int gateway_ports; /* If true, allow remote connects to forwarded ports. */ |
5260325f | 74 | SyslogFacility log_facility; /* Facility for system logging. */ |
75 | LogLevel log_level; /* Level for system logging. */ | |
5260325f | 76 | int rhosts_rsa_authentication; /* If true, permit rhosts RSA |
77 | * authentication. */ | |
8002af61 | 78 | int hostbased_authentication; /* If true, permit ssh2 hostbased auth */ |
79 | int hostbased_uses_name_from_packet_only; /* experimental */ | |
5260325f | 80 | int rsa_authentication; /* If true, permit RSA authentication. */ |
fa08c86b | 81 | int pubkey_authentication; /* If true, permit ssh2 pubkey authentication. */ |
5260325f | 82 | int kerberos_authentication; /* If true, permit Kerberos |
83 | * authentication. */ | |
84 | int kerberos_or_local_passwd; /* If true, permit kerberos | |
85 | * and any other password | |
86 | * authentication mechanism, | |
87 | * such as SecurID or | |
88 | * /etc/passwd */ | |
89 | int kerberos_ticket_cleanup; /* If true, destroy ticket | |
90 | * file on logout. */ | |
a1e30b47 | 91 | int kerberos_get_afs_token; /* If true, try to get AFS token if |
92 | * authenticated with Kerberos. */ | |
7364bd04 | 93 | int gss_authentication; /* If true, permit GSSAPI authentication */ |
94 | int gss_cleanup_creds; /* If true, destroy cred cache on logout */ | |
5260325f | 95 | int password_authentication; /* If true, permit password |
96 | * authentication. */ | |
94ec8c6b | 97 | int kbd_interactive_authentication; /* If true, permit */ |
5ba55ada | 98 | int challenge_response_authentication; |
5adf6b9a | 99 | int zero_knowledge_password_authentication; |
100 | /* If true, permit jpake auth */ | |
5260325f | 101 | int permit_empty_passwd; /* If false, do not permit empty |
102 | * passwords. */ | |
f00bab84 | 103 | int permit_user_env; /* If true, read ~/.ssh/environment */ |
5260325f | 104 | int use_login; /* If true, login(1) is used */ |
636f76ca | 105 | int compression; /* If true, compression is allowed */ |
33de75a3 | 106 | int allow_tcp_forwarding; |
43c3f85c | 107 | int allow_agent_forwarding; |
1e3b8b07 | 108 | u_int num_allow_users; |
5260325f | 109 | char *allow_users[MAX_ALLOW_USERS]; |
1e3b8b07 | 110 | u_int num_deny_users; |
5260325f | 111 | char *deny_users[MAX_DENY_USERS]; |
1e3b8b07 | 112 | u_int num_allow_groups; |
5260325f | 113 | char *allow_groups[MAX_ALLOW_GROUPS]; |
1e3b8b07 | 114 | u_int num_deny_groups; |
5260325f | 115 | char *deny_groups[MAX_DENY_GROUPS]; |
38c295d6 | 116 | |
1e3b8b07 | 117 | u_int num_subsystems; |
38c295d6 | 118 | char *subsystem_name[MAX_SUBSYSTEMS]; |
119 | char *subsystem_command[MAX_SUBSYSTEMS]; | |
d66ce1a1 | 120 | char *subsystem_args[MAX_SUBSYSTEMS]; |
089fbbd2 | 121 | |
61a2c1da | 122 | u_int num_accept_env; |
123 | char *accept_env[MAX_ACCEPT_ENV]; | |
124 | ||
c345cf9d | 125 | int max_startups_begin; |
126 | int max_startups_rate; | |
089fbbd2 | 127 | int max_startups; |
af4bd935 | 128 | int max_authtries; |
c6dca55e | 129 | int max_sessions; |
eea39c02 | 130 | char *banner; /* SSH-2 banner message */ |
c5a7d788 | 131 | int use_dns; |
3ffc6336 | 132 | int client_alive_interval; /* |
184eed6a | 133 | * poke the client this often to |
134 | * see if it's still there | |
3ffc6336 | 135 | */ |
136 | int client_alive_count_max; /* | |
6d7b3036 | 137 | * If the client is unresponsive |
138 | * for this many intervals above, | |
184eed6a | 139 | * disconnect the session |
3ffc6336 | 140 | */ |
4f1f4d8d | 141 | |
142 | char *authorized_keys_file; /* File containing public keys */ | |
143 | char *authorized_keys_file2; | |
d20f3c9e | 144 | |
e7259e8d | 145 | char *adm_forced_command; |
146 | ||
7fceb20d | 147 | int use_pam; /* Enable auth via PAM */ |
d20f3c9e | 148 | |
149 | int permit_tun; | |
ea46e550 | 150 | |
151 | int num_permitted_opens; | |
db49deeb | 152 | |
153 | char *chroot_directory; | |
5260325f | 154 | } ServerOptions; |
8efc0c15 | 155 | |
255cabd9 | 156 | void initialize_server_options(ServerOptions *); |
255cabd9 | 157 | void fill_default_server_options(ServerOptions *); |
d231781a | 158 | int process_server_config_line(ServerOptions *, char *, const char *, int, |
159 | int *, const char *, const char *, const char *); | |
b9a549d7 | 160 | void load_server_config(const char *, Buffer *); |
d231781a | 161 | void parse_server_config(ServerOptions *, const char *, Buffer *, |
162 | const char *, const char *, const char *); | |
163 | void parse_server_match_config(ServerOptions *, const char *, const char *, | |
164 | const char *); | |
03bcbf84 | 165 | void copy_set_server_options(ServerOptions *, ServerOptions *, int); |
1760c982 | 166 | void dump_config(ServerOptions *); |
8efc0c15 | 167 | |
5260325f | 168 | #endif /* SERVCONF_H */ |