157 lines
5.9 KiB
C
157 lines
5.9 KiB
C
/*
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* Author: Tatu Ylonen <ylo@cs.hut.fi>
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* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
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* All rights reserved
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* Definitions for server configuration data and for the functions reading it.
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*
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* As far as I am concerned, the code I have written for this software
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* can be used freely for any purpose. Any derived versions of this
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* software must be clearly marked as such, and if the derived work is
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* incompatible with the protocol description in the RFC file, it must be
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* called by a name other than "ssh" or "Secure Shell".
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*/
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/* RCSID("$OpenBSD: servconf.h,v 1.41 2001/04/13 22:46:53 beck Exp $"); */
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/* RCSID("$FreeBSD$"); */
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#ifndef SERVCONF_H
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#define SERVCONF_H
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#define MAX_PORTS 256 /* Max # ports. */
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#define MAX_ALLOW_USERS 256 /* Max # users on allow list. */
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#define MAX_DENY_USERS 256 /* Max # users on deny list. */
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#define MAX_ALLOW_GROUPS 256 /* Max # groups on allow list. */
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#define MAX_DENY_GROUPS 256 /* Max # groups on deny list. */
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#define MAX_SUBSYSTEMS 256 /* Max # subsystems. */
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#define MAX_HOSTKEYS 256 /* Max # hostkeys. */
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/* permit_root_login */
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#define PERMIT_NOT_SET -1
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#define PERMIT_NO 0
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#define PERMIT_FORCED_ONLY 1
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#define PERMIT_NO_PASSWD 2
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#define PERMIT_YES 3
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typedef struct {
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u_int num_ports;
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u_int ports_from_cmdline;
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u_short ports[MAX_PORTS]; /* Port number to listen on. */
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char *listen_addr; /* Address on which the server listens. */
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struct addrinfo *listen_addrs; /* Addresses on which the server listens. */
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char *host_key_files[MAX_HOSTKEYS]; /* Files containing host keys. */
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int num_host_key_files; /* Number of files for host keys. */
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char *pid_file; /* Where to put our pid */
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int server_key_bits;/* Size of the server key. */
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int login_grace_time; /* Disconnect if no auth in this time
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* (sec). */
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int key_regeneration_time; /* Server key lifetime (seconds). */
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int permit_root_login; /* PERMIT_*, see above */
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int ignore_rhosts; /* Ignore .rhosts and .shosts. */
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int ignore_user_known_hosts; /* Ignore ~/.ssh/known_hosts
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* for RhostsRsaAuth */
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int print_motd; /* If true, print /etc/motd. */
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int print_lastlog; /* If true, print lastlog */
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int check_mail; /* If true, check for new mail. */
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int x11_forwarding; /* If true, permit inet (spoofing) X11 fwd. */
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int x11_display_offset; /* What DISPLAY number to start
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* searching at */
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char *xauth_location; /* Location of xauth program */
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int strict_modes; /* If true, require string home dir modes. */
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int keepalives; /* If true, set SO_KEEPALIVE. */
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char *ciphers; /* Supported SSH2 ciphers. */
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char *macs; /* Supported SSH2 macs. */
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int protocol; /* Supported protocol versions. */
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int gateway_ports; /* If true, allow remote connects to forwarded ports. */
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SyslogFacility log_facility; /* Facility for system logging. */
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LogLevel log_level; /* Level for system logging. */
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int rhosts_authentication; /* If true, permit rhosts
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* authentication. */
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int rhosts_rsa_authentication; /* If true, permit rhosts RSA
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* authentication. */
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int hostbased_authentication; /* If true, permit ssh2 hostbased auth */
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int hostbased_uses_name_from_packet_only; /* experimental */
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int rsa_authentication; /* If true, permit RSA authentication. */
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#if defined(KRB4) || defined(KRB5)
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int kerberos_authentication; /* If true, permit Kerberos auth. */
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#endif /* KRB4 || KRB5 */
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int pubkey_authentication; /* If true, permit ssh2 pubkey authentication. */
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#ifdef KRB4
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int krb4_or_local_passwd; /* If true, permit kerberos v4
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* and any other password
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* authentication mechanism,
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* such as SecurID or
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* /etc/passwd */
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int krb4_ticket_cleanup; /* If true, destroy ticket
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* file on logout. */
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#endif
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#ifdef KRB5
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int krb5_tgt_passing;
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#endif /* KRB5 */
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#ifdef AFS
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int krb4_tgt_passing; /* If true, permit Kerberos v4 tgt
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* passing. */
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int afs_token_passing; /* If true, permit AFS token passing. */
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#endif
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int password_authentication; /* If true, permit password
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* authentication. */
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int kbd_interactive_authentication; /* If true, permit */
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int challenge_reponse_authentication;
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int permit_empty_passwd; /* If false, do not permit empty
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* passwords. */
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int use_login; /* If true, login(1) is used */
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int allow_tcp_forwarding;
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u_int num_allow_users;
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char *allow_users[MAX_ALLOW_USERS];
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u_int num_deny_users;
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char *deny_users[MAX_DENY_USERS];
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u_int num_allow_groups;
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char *allow_groups[MAX_ALLOW_GROUPS];
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u_int num_deny_groups;
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char *deny_groups[MAX_DENY_GROUPS];
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unsigned int connections_per_period; /*
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* If not 0, number of sshd
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* connections accepted per
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* connections_period.
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*/
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unsigned int connections_period;
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u_int num_subsystems;
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char *subsystem_name[MAX_SUBSYSTEMS];
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char *subsystem_command[MAX_SUBSYSTEMS];
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int max_startups_begin;
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int max_startups_rate;
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int max_startups;
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char *banner; /* SSH-2 banner message */
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int reverse_mapping_check; /* cross-check ip and dns */
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int client_alive_interval; /*
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* poke the client this often to
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* see if it's still there
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*/
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int client_alive_count_max; /*
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*If the client is unresponsive
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* for this many intervals, above
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* diconnect the session
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*/
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} ServerOptions;
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/*
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* Initializes the server options to special values that indicate that they
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* have not yet been set.
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*/
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void initialize_server_options(ServerOptions * options);
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/*
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* Reads the server configuration file. This only sets the values for those
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* options that have the special value indicating they have not been set.
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*/
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void read_server_config(ServerOptions * options, const char *filename);
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/* Sets values for those values that have not yet been set. */
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void fill_default_server_options(ServerOptions * options);
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#endif /* SERVCONF_H */
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