OpenSolaris_b135/cmd/ssh/include/servconf.h

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/*
 * Author: Tatu Ylonen <ylo@cs.hut.fi>
 * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
 *                    All rights reserved
 * Definitions for server configuration data and for the functions reading it.
 *
 * As far as I am concerned, the code I have written for this software
 * can be used freely for any purpose.  Any derived versions of this
 * software must be clearly marked as such, and if the derived work is
 * incompatible with the protocol description in the RFC file, it must be
 * called by a name other than "ssh" or "Secure Shell".
 */
/*
 * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*	$OpenBSD: servconf.h,v 1.59 2002/07/30 17:03:55 markus Exp $	*/

#ifndef	_SERVCONF_H
#define	_SERVCONF_H

#ifdef __cplusplus
extern "C" {
#endif

#define MAX_PORTS		256	/* Max # ports. */

#define MAX_ALLOW_USERS		256	/* Max # users on allow list. */
#define MAX_DENY_USERS		256	/* Max # users on deny list. */
#define MAX_ALLOW_GROUPS	256	/* Max # groups on allow list. */
#define MAX_DENY_GROUPS		256	/* Max # groups on deny list. */
#define MAX_SUBSYSTEMS		256	/* Max # subsystems. */
#define MAX_HOSTKEYS		256	/* Max # hostkeys. */

/* permit_root_login */
#define	PERMIT_NOT_SET		-1
#define	PERMIT_NO		0
#define	PERMIT_FORCED_ONLY	1
#define	PERMIT_NO_PASSWD	2
#define	PERMIT_YES		3

/* Magic name for internal sftp-server */
#define	INTERNAL_SFTP_NAME	"internal-sftp"

typedef struct {
	u_int	num_ports;
	u_int	ports_from_cmdline;
	u_short ports[MAX_PORTS];	/* Port number to listen on. */
	char   *listen_addr;		/* Address on which the server listens. */
	struct addrinfo *listen_addrs;	/* Addresses on which the server listens. */
	char   *host_key_files[MAX_HOSTKEYS];	/* Files containing host keys. */
	int     num_host_key_files;     /* Number of files for host keys. */
	char   *pid_file;	/* Where to put our pid */
	int     server_key_bits;/* Size of the server key. */
	int     login_grace_time;	/* Disconnect if no auth in this time
					 * (sec). */
	int     key_regeneration_time;	/* Server key lifetime (seconds). */
	int     permit_root_login;	/* PERMIT_*, see above */
	int     ignore_rhosts;	/* Ignore .rhosts and .shosts. */
	int     ignore_user_known_hosts;	/* Ignore ~/.ssh/known_hosts
						 * for RhostsRsaAuth */
	int     print_motd;	/* If true, print /etc/motd. */
	int	print_lastlog;	/* If true, print lastlog */
	int     x11_forwarding;	/* If true, permit inet (spoofing) X11 fwd. */
	int     x11_display_offset;	/* What DISPLAY number to start
					 * searching at */
	int     x11_use_localhost;	/* If true, use localhost for fake X11 server. */
	char   *xauth_location;	/* Location of xauth program */
	int     strict_modes;	/* If true, require string home dir modes. */
	int     keepalives;	/* If true, set SO_KEEPALIVE. */
	char   *ciphers;	/* Supported SSH2 ciphers. */
	char   *macs;		/* Supported SSH2 macs. */
	int	protocol;	/* Supported protocol versions. */
	int     gateway_ports;	/* If true, allow remote connects to forwarded ports. */
	SyslogFacility log_facility;	/* Facility for system logging. */
	LogLevel log_level;	/* Level for system logging. */
	int     rhosts_authentication;	/* If true, permit rhosts
					 * authentication. */
	int     rhosts_rsa_authentication;	/* If true, permit rhosts RSA
						 * authentication. */
	int     hostbased_authentication;	/* If true, permit ssh2 hostbased auth */
	int     hostbased_uses_name_from_packet_only; /* experimental */
	int     rsa_authentication;	/* If true, permit RSA authentication. */
	int     pubkey_authentication;	/* If true, permit ssh2 pubkey authentication. */
#ifdef GSSAPI
	int     gss_authentication;
	int     gss_keyex;
	int     gss_store_creds;
	int     gss_use_session_ccache;        /* If true, delegated credentials are
	                                        * stored in a session specific cache */
	int 	gss_cleanup_creds;	       /* If true, destroy cred cache on logout */
#endif /* GSSAPI */
#if defined(KRB4) || defined(KRB5)
	int     kerberos_authentication;	/* If true, permit Kerberos
						 * authentication. */
	int     kerberos_or_local_passwd;	/* If true, permit kerberos
						 * and any other password
						 * authentication mechanism,
						 * such as SecurID or
						 * /etc/passwd */
	int     kerberos_ticket_cleanup;	/* If true, destroy ticket
						 * file on logout. */
#endif
#if defined(AFS) || defined(KRB5)
	int     kerberos_tgt_passing;	/* If true, permit Kerberos TGT
					 * passing. */
#endif
#ifdef AFS
	int     afs_token_passing;	/* If true, permit AFS token passing. */
#endif
	int     password_authentication;	/* If true, permit password
						 * authentication. */
	int     kbd_interactive_authentication;	/* If true, permit */
	int     challenge_response_authentication;
	int     permit_empty_passwd;	/* If false, do not permit empty
					 * passwords. */
	int     permit_user_env;	/* If true, read ~/.ssh/environment */
	int     use_login;	/* If true, login(1) is used */
	int     compression;	/* If true, compression is allowed */
	int	allow_tcp_forwarding;

	u_int	num_allow_users;
	char   *allow_users[MAX_ALLOW_USERS];
	u_int	num_deny_users;
	char   *deny_users[MAX_DENY_USERS];
	u_int	num_allow_groups;
	char   *allow_groups[MAX_ALLOW_GROUPS];
	u_int	num_deny_groups;
	char   *deny_groups[MAX_DENY_GROUPS];

	u_int	num_subsystems;
	char   *subsystem_name[MAX_SUBSYSTEMS];
	char   *subsystem_command[MAX_SUBSYSTEMS];
	char   *subsystem_args[MAX_SUBSYSTEMS];

	int	max_startups_begin;
	int	max_startups_rate;
	int	max_startups;
	char   *banner;			/* SSH-2 banner message */
	int	verify_reverse_mapping;	/* cross-check ip and dns */
	int	client_alive_interval;	/*
					 * poke the client this often to
					 * see if it's still there
					 */
	int	client_alive_count_max;	/*
					 * If the client is unresponsive
					 * for this many intervals above,
					 * disconnect the session
					 */

	char   *authorized_keys_file;	/* File containing public keys */
	char   *authorized_keys_file2;

	int	pam_authentication_via_kbd_int;

	int	max_auth_tries;
	int	max_auth_tries_log;

	int	max_init_auth_tries;	    /* SUNW: /etc/default/login */
	int	max_init_auth_tries_log;    /* SUNW: /etc/default/login */

	int	lookup_client_hostnames;
	int	use_openssl_engine;
	char   *chroot_directory;
	char   *pre_userauth_hook;

}       ServerOptions;

void	 initialize_server_options(ServerOptions *);
void	 fill_default_server_options(ServerOptions *);
int	 process_server_config_line(ServerOptions *, char *, const char *, int,
	     int *, const char *, const char *, const char *);
void	 load_server_config(const char *, Buffer *);
void	 parse_server_config(ServerOptions *, const char *, Buffer *,
	     const char *, const char *, const char *);
void	 parse_server_match_config(ServerOptions *, const char *, const char *,
	     const char *);
void	 copy_set_server_options(ServerOptions *, ServerOptions *, int);
int	 chroot_requested(char *chroot_directory);

#ifdef __cplusplus
}
#endif


#endif	/* _SERVCONF_H */