/* $NetBSD: bthcid.h,v 1.3 2006/09/26 19:18:19 plunky Exp $ */

/*-
 * Copyright (c) 2006 Itronix Inc.
 * 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. The name of Itronix Inc. may not be used to endorse
 *    or promote products derived from this software without specific
 *    prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY ITRONIX INC. ``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 ITRONIX INC. 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 _BTHCID_H_
#define _BTHCID_H_      1

#include <sys/queue.h>

/* config.c */
uint8_t         *lookup_key             (bdaddr_t *, bdaddr_t *);
void             save_key               (bdaddr_t *, bdaddr_t *, uint8_t *);
void             create_dict(bdaddr_t *laddr, bdaddr_t *raddr, uint8_t * key);

/* client.c */
int              init_control           (const char *, mode_t);
int              send_client_request    (bdaddr_t *, bdaddr_t *, int);
uint8_t         *lookup_pin             (bdaddr_t *, bdaddr_t *);
uint8_t         *lookup_pin_conf        (bdaddr_t *, bdaddr_t *);
void            process_control         (int);
void            process_client          (int, void *);
void            process_item            (void *);

/* hci.c */
int             init_hci                (bdaddr_t *);
void            process_hci             (int);
int             send_pin_code_reply     (int, struct sockaddr_bt *, bdaddr_t *, uint8_t *);

#define BTHCID_BUFFER_SIZE      512
#define BTHCID_IDENT            "bthcid"
#define BTHCID_PIDFILE          "/var/run/" BTHCID_IDENT ".pid"
#define BTHCID_KEYSFILE         "/var/db/"  BTHCID_IDENT ".keys"
#define BTHCID_KQ_EVENTS        64

struct link_key
{
        bdaddr_t                 bdaddr; /* remote device BDADDR */
        char                    *name;   /* remote device name */
        uint8_t                 *key;    /* link key (or NULL if no key) */
        char                    *pin;    /* pin (or NULL if no pin) */
        LIST_ENTRY(link_key)     next;   /* link to the next */
};
typedef struct link_key         link_key_t;
typedef struct link_key *       link_key_p;

extern const char               *config_file;
extern int                      hci_kq;

#ifdef __config_debug__
void            dump_config     (void);
#endif

#ifndef bdaddr_p 
#define bdaddr_p bdaddr_t *
#endif

void            read_config_file(void);
void            clean_config    (void);
link_key_p      get_key         (bdaddr_p bdaddr, int exact_match);

int             read_keys_file  (void);
int             dump_keys_file  (void);

#endif  /* _BTHCID_H_ */