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799ae497 | 1 | /* $OpenBSD: servconf.h,v 1.80 2007/02/19 10:45:58 dtucker Exp $ */ |
e9a17296 | 2 | |
3c0ef626 | 3 | /* |
4 | * Author: Tatu Ylonen <ylo@cs.hut.fi> | |
5 | * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland | |
6 | * All rights reserved | |
7 | * Definitions for server configuration data and for the functions reading it. | |
8 | * | |
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". | |
14 | */ | |
15 | ||
3c0ef626 | 16 | #ifndef SERVCONF_H |
17 | #define SERVCONF_H | |
18 | ||
19 | #define MAX_PORTS 256 /* Max # ports. */ | |
20 | ||
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. */ | |
c9f39d2c | 27 | #define MAX_ACCEPT_ENV 256 /* Max # of env vars. */ |
9108f8d9 | 28 | #define MAX_MATCH_GROUPS 256 /* Max # of groups for Match. */ |
3c0ef626 | 29 | |
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 | ||
c9f39d2c | 37 | #define DEFAULT_AUTH_FAIL_MAX 6 /* Default for MaxAuthTries */ |
3c0ef626 | 38 | |
39 | typedef struct { | |
40 | u_int num_ports; | |
41 | u_int ports_from_cmdline; | |
42 | u_short ports[MAX_PORTS]; /* Port number to listen on. */ | |
43 | char *listen_addr; /* Address on which the server listens. */ | |
44 | struct addrinfo *listen_addrs; /* Addresses on which the server listens. */ | |
996d5e62 | 45 | int address_family; /* Address family used by the server. */ |
3c0ef626 | 46 | char *host_key_files[MAX_HOSTKEYS]; /* Files containing host keys. */ |
47 | int num_host_key_files; /* Number of files for host keys. */ | |
48 | char *pid_file; /* Where to put our pid */ | |
49 | int server_key_bits;/* Size of the server key. */ | |
50 | int login_grace_time; /* Disconnect if no auth in this time | |
51 | * (sec). */ | |
52 | int key_regeneration_time; /* Server key lifetime (seconds). */ | |
53 | int permit_root_login; /* PERMIT_*, see above */ | |
54 | int ignore_rhosts; /* Ignore .rhosts and .shosts. */ | |
55 | int ignore_user_known_hosts; /* Ignore ~/.ssh/known_hosts | |
56 | * for RhostsRsaAuth */ | |
57 | int print_motd; /* If true, print /etc/motd. */ | |
58 | int print_lastlog; /* If true, print lastlog */ | |
59 | int x11_forwarding; /* If true, permit inet (spoofing) X11 fwd. */ | |
60 | int x11_display_offset; /* What DISPLAY number to start | |
61 | * searching at */ | |
e9a17296 | 62 | int x11_use_localhost; /* If true, use localhost for fake X11 server. */ |
3c0ef626 | 63 | char *xauth_location; /* Location of xauth program */ |
64 | int strict_modes; /* If true, require string home dir modes. */ | |
cdd66111 | 65 | int tcp_keep_alive; /* If true, set SO_KEEPALIVE. */ |
3c0ef626 | 66 | char *ciphers; /* Supported SSH2 ciphers. */ |
67 | char *macs; /* Supported SSH2 macs. */ | |
68 | int protocol; /* Supported protocol versions. */ | |
69 | int gateway_ports; /* If true, allow remote connects to forwarded ports. */ | |
70 | SyslogFacility log_facility; /* Facility for system logging. */ | |
71 | LogLevel log_level; /* Level for system logging. */ | |
3c0ef626 | 72 | int rhosts_rsa_authentication; /* If true, permit rhosts RSA |
73 | * authentication. */ | |
74 | int hostbased_authentication; /* If true, permit ssh2 hostbased auth */ | |
75 | int hostbased_uses_name_from_packet_only; /* experimental */ | |
76 | int rsa_authentication; /* If true, permit RSA authentication. */ | |
77 | int pubkey_authentication; /* If true, permit ssh2 pubkey authentication. */ | |
3c0ef626 | 78 | int kerberos_authentication; /* If true, permit Kerberos |
79 | * authentication. */ | |
80 | int kerberos_or_local_passwd; /* If true, permit kerberos | |
81 | * and any other password | |
82 | * authentication mechanism, | |
83 | * such as SecurID or | |
84 | * /etc/passwd */ | |
85 | int kerberos_ticket_cleanup; /* If true, destroy ticket | |
86 | * file on logout. */ | |
cdd66111 | 87 | int kerberos_get_afs_token; /* If true, try to get AFS token if |
88 | * authenticated with Kerberos. */ | |
0fff78ff | 89 | int gss_authentication; /* If true, permit GSSAPI authentication */ |
90 | int gss_cleanup_creds; /* If true, destroy cred cache on logout */ | |
3c0ef626 | 91 | int password_authentication; /* If true, permit password |
92 | * authentication. */ | |
93 | int kbd_interactive_authentication; /* If true, permit */ | |
94 | int challenge_response_authentication; | |
95 | int permit_empty_passwd; /* If false, do not permit empty | |
96 | * passwords. */ | |
41b2f314 | 97 | int permit_user_env; /* If true, read ~/.ssh/environment */ |
3c0ef626 | 98 | int use_login; /* If true, login(1) is used */ |
f5799ae1 | 99 | int compression; /* If true, compression is allowed */ |
3c0ef626 | 100 | int allow_tcp_forwarding; |
101 | u_int num_allow_users; | |
102 | char *allow_users[MAX_ALLOW_USERS]; | |
103 | u_int num_deny_users; | |
104 | char *deny_users[MAX_DENY_USERS]; | |
105 | u_int num_allow_groups; | |
106 | char *allow_groups[MAX_ALLOW_GROUPS]; | |
107 | u_int num_deny_groups; | |
108 | char *deny_groups[MAX_DENY_GROUPS]; | |
109 | ||
110 | u_int num_subsystems; | |
111 | char *subsystem_name[MAX_SUBSYSTEMS]; | |
112 | char *subsystem_command[MAX_SUBSYSTEMS]; | |
9108f8d9 | 113 | char *subsystem_args[MAX_SUBSYSTEMS]; |
3c0ef626 | 114 | |
c9f39d2c | 115 | u_int num_accept_env; |
116 | char *accept_env[MAX_ACCEPT_ENV]; | |
117 | ||
3c0ef626 | 118 | int max_startups_begin; |
119 | int max_startups_rate; | |
120 | int max_startups; | |
c9f39d2c | 121 | int max_authtries; |
3c0ef626 | 122 | char *banner; /* SSH-2 banner message */ |
0fff78ff | 123 | int use_dns; |
3c0ef626 | 124 | int client_alive_interval; /* |
e9a17296 | 125 | * poke the client this often to |
126 | * see if it's still there | |
3c0ef626 | 127 | */ |
128 | int client_alive_count_max; /* | |
129 | * If the client is unresponsive | |
130 | * for this many intervals above, | |
e9a17296 | 131 | * disconnect the session |
3c0ef626 | 132 | */ |
133 | ||
134 | char *authorized_keys_file; /* File containing public keys */ | |
135 | char *authorized_keys_file2; | |
2c06c99b | 136 | |
9108f8d9 | 137 | char *adm_forced_command; |
138 | ||
0fff78ff | 139 | int use_pam; /* Enable auth via PAM */ |
2c06c99b | 140 | |
141 | int permit_tun; | |
9108f8d9 | 142 | |
143 | int num_permitted_opens; | |
3c0ef626 | 144 | } ServerOptions; |
145 | ||
146 | void initialize_server_options(ServerOptions *); | |
3c0ef626 | 147 | void fill_default_server_options(ServerOptions *); |
9108f8d9 | 148 | int process_server_config_line(ServerOptions *, char *, const char *, int, |
149 | int *, const char *, const char *, const char *); | |
c9f39d2c | 150 | void load_server_config(const char *, Buffer *); |
9108f8d9 | 151 | void parse_server_config(ServerOptions *, const char *, Buffer *, |
152 | const char *, const char *, const char *); | |
153 | void parse_server_match_config(ServerOptions *, const char *, const char *, | |
154 | const char *); | |
799ae497 | 155 | void copy_set_server_options(ServerOptions *, ServerOptions *, int); |
3c0ef626 | 156 | |
157 | #endif /* SERVCONF_H */ |