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416fd2a8 | 1 | /* $OpenBSD: servconf.h,v 1.67 2003/12/23 16:12:10 jakob 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. */ | |
27 | ||
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 | ||
36 | typedef struct { | |
37 | u_int num_ports; | |
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 | |
47 | * (sec). */ | |
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 | |
57 | * searching at */ | |
e9a17296 | 58 | int x11_use_localhost; /* If true, use localhost for fake X11 server. */ |
3c0ef626 | 59 | char *xauth_location; /* Location of xauth program */ |
60 | int strict_modes; /* If true, require string home dir modes. */ | |
416fd2a8 | 61 | int tcp_keep_alive; /* If true, set SO_KEEPALIVE. */ |
3c0ef626 | 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. */ | |
3c0ef626 | 68 | int rhosts_rsa_authentication; /* If true, permit rhosts RSA |
69 | * authentication. */ | |
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. */ | |
3c0ef626 | 74 | int kerberos_authentication; /* If true, permit Kerberos |
75 | * authentication. */ | |
76 | int kerberos_or_local_passwd; /* If true, permit kerberos | |
77 | * and any other password | |
78 | * authentication mechanism, | |
79 | * such as SecurID or | |
80 | * /etc/passwd */ | |
81 | int kerberos_ticket_cleanup; /* If true, destroy ticket | |
82 | * file on logout. */ | |
88928908 | 83 | #ifdef SESSION_HOOKS |
84 | int session_hooks_allow; /* If true, permit user hooks */ | |
85 | char* session_hooks_startup_cmd; /* cmd to be executed before */ | |
86 | char* session_hooks_shutdown_cmd; /* cmd to be executed after */ | |
3c0ef626 | 87 | #endif |
416fd2a8 | 88 | int kerberos_get_afs_token; /* If true, try to get AFS token if |
89 | * authenticated with Kerberos. */ | |
70791e56 | 90 | int gss_authentication; /* If true, permit GSSAPI authentication */ |
91 | int gss_keyex; | |
92 | int gss_use_session_ccache; /* If true, delegated credentials are | |
93 | * stored in a session specific cache */ | |
94 | int gss_cleanup_creds; /* If true, destroy cred cache on logout */ | |
3c0ef626 | 95 | int password_authentication; /* If true, permit password |
96 | * authentication. */ | |
97 | int kbd_interactive_authentication; /* If true, permit */ | |
98 | int challenge_response_authentication; | |
99 | int permit_empty_passwd; /* If false, do not permit empty | |
100 | * passwords. */ | |
e54b3d7c | 101 | int permit_user_env; /* If true, read ~/.ssh/environment */ |
3c0ef626 | 102 | int use_login; /* If true, login(1) is used */ |
ff2d7a98 | 103 | int compression; /* If true, compression is allowed */ |
3c0ef626 | 104 | int allow_tcp_forwarding; |
105 | u_int num_allow_users; | |
106 | char *allow_users[MAX_ALLOW_USERS]; | |
107 | u_int num_deny_users; | |
108 | char *deny_users[MAX_DENY_USERS]; | |
109 | u_int num_allow_groups; | |
110 | char *allow_groups[MAX_ALLOW_GROUPS]; | |
111 | u_int num_deny_groups; | |
112 | char *deny_groups[MAX_DENY_GROUPS]; | |
113 | ||
114 | u_int num_subsystems; | |
115 | char *subsystem_name[MAX_SUBSYSTEMS]; | |
116 | char *subsystem_command[MAX_SUBSYSTEMS]; | |
117 | ||
118 | int max_startups_begin; | |
119 | int max_startups_rate; | |
120 | int max_startups; | |
121 | char *banner; /* SSH-2 banner message */ | |
70791e56 | 122 | int use_dns; |
3c0ef626 | 123 | int client_alive_interval; /* |
e9a17296 | 124 | * poke the client this often to |
125 | * see if it's still there | |
3c0ef626 | 126 | */ |
127 | int client_alive_count_max; /* | |
128 | * If the client is unresponsive | |
129 | * for this many intervals above, | |
e9a17296 | 130 | * disconnect the session |
3c0ef626 | 131 | */ |
132 | ||
133 | char *authorized_keys_file; /* File containing public keys */ | |
134 | char *authorized_keys_file2; | |
70791e56 | 135 | int use_pam; /* Enable auth via PAM */ |
3c0ef626 | 136 | } ServerOptions; |
137 | ||
138 | void initialize_server_options(ServerOptions *); | |
139 | void read_server_config(ServerOptions *, const char *); | |
140 | void fill_default_server_options(ServerOptions *); | |
e9a17296 | 141 | int process_server_config_line(ServerOptions *, char *, const char *, int); |
142 | ||
3c0ef626 | 143 | |
144 | #endif /* SERVCONF_H */ |