/*-
 * Copyright (c) 2000-2005 MAEKAWA Masahide <maekawa@cvsync.org>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the author nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#ifndef __DEFS_H__
#define	__DEFS_H__

struct config_include;

enum { ACL_ALLOW, ACL_ALWAYS, ACL_DENY, ACL_NOMATCH };

struct aclent {
	int		acl_status;
	int		acl_family;
	void		*acl_addr;
	size_t		acl_addrlen;
	void		*acl_mask;
	size_t		acl_max;
};

struct access_control_args {
	struct aclent	*aca_patterns;
	size_t		aca_size;
};

struct config {
	char			cf_addr[CVSYNC_MAXHOST];
	char			cf_serv[CVSYNC_MAXSERV];
	size_t			cf_maxclients;
	char			cf_base[PATH_MAX], cf_base_prefix[PATH_MAX];
	char			cf_access_name[PATH_MAX + CVSYNC_NAME_MAX + 1];
	char			cf_halt_name[PATH_MAX + CVSYNC_NAME_MAX + 1];
	char			cf_pid_name[PATH_MAX + CVSYNC_NAME_MAX + 1];
	int			cf_compress;
	int			cf_compress_level;
	uint8_t			cf_hash;
	struct collection	*cf_collections;
	struct config_include	*cf_includes;
	int			cf_refcnt;
};

struct config_include {
	struct config_include	*ci_next;
	char			ci_name[PATH_MAX + CVSYNC_NAME_MAX + 1];
	time_t			ci_mtime;
};

struct server_args {
	struct config		*sa_config;
	int			sa_socket;
	pthread_t		sa_thread;
	int			sa_status;
	uint8_t			sa_error;

	int			sa_family;
	char			sa_addr[CVSYNC_MAXHOST];
	char			sa_hostinfo[CVSYNC_MAXHOST + 13];
	size_t			sa_id;

	time_t			sa_tick;
};

bool access_init(size_t);
void access_destroy(void);
struct server_args *access_authorize(int, struct config *);
void access_done(struct server_args *);

struct config *config_load(const char *);
void config_destroy(struct config *);
void config_acquire(struct config *);
void config_revoke(struct config *);
bool config_ischanged(struct config *);

bool privilege_drop(const char *, const char *);
bool daemonize(const char *, const char *, const char *);

struct mux *channel_establish(int, struct config *, uint32_t);
struct collection *collectionlist_exchange(int, struct config *);
bool protocol_exchange(int, int, uint8_t, uint32_t *);
int hash_exchange(int, struct config *);

#endif /* __DEFS_H__ */