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      1 /*	$NetBSD: sdpd.h,v 1.2 2012/03/01 22:38:31 joerg Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2006 Itronix Inc.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. The name of Itronix Inc. may not be used to endorse
     16  *    or promote products derived from this software without specific
     17  *    prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY ITRONIX INC. ``AS IS'' AND
     20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL ITRONIX INC. BE LIABLE FOR ANY
     23  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     24  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     25  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
     26  * ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 /*
     32  * Copyright (c) 2009 The NetBSD Foundation, Inc.
     33  * Copyright (c) 2004 Maksim Yevmenkin <m_evmenkin (at) yahoo.com>
     34  * All rights reserved.
     35  *
     36  * Redistribution and use in source and binary forms, with or without
     37  * modification, are permitted provided that the following conditions
     38  * are met:
     39  * 1. Redistributions of source code must retain the above copyright
     40  *    notice, this list of conditions and the following disclaimer.
     41  * 2. Redistributions in binary form must reproduce the above copyright
     42  *    notice, this list of conditions and the following disclaimer in the
     43  *    documentation and/or other materials provided with the distribution.
     44  *
     45  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     46  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     47  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     48  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     49  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     50  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     51  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     52  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     53  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     54  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     55  * SUCH DAMAGE.
     56  */
     57 
     58 #ifndef _SDPD_H_
     59 #define _SDPD_H_
     60 
     61 #include <sys/types.h>
     62 #include <sys/queue.h>
     63 
     64 #include <bluetooth.h>
     65 #include <sdp.h>
     66 #include <stdbool.h>
     67 
     68 /*
     69  * Service Record entry
     70  */
     71 struct record {
     72 	int			fd;	/* owner */
     73 	bool			valid;	/* record is current */
     74 	uint32_t		handle;	/* ServiceRecord handle */
     75 	sdp_data_t		data;	/* ServiceRecord data */
     76 	bdaddr_t		bdaddr;	/* restricted device address */
     77 	int			refcnt;	/* reference count */
     78 	fd_set			refset;	/* reference bitset */
     79 	LIST_ENTRY(record)	next;	/* next ServiceRecord */
     80 	uint8_t			ext[0];	/* raw data storage ... */
     81 };
     82 
     83 typedef	struct record record_t;
     84 
     85 /*
     86  * File descriptor (client) index entry
     87  */
     88 struct fd_idx {
     89 	bool			valid;	/* descriptor is valid */
     90 	bool			server;	/* descriptor is listening */
     91 	bool			control;/* descriptor is control socket */
     92 	bool			priv;	/* descriptor may modify service record db */
     93 	uint16_t		omtu;	/* outgoing MTU */
     94 	uint16_t		offset;	/* stored ContinuationState */
     95 	bdaddr_t		bdaddr;	/* clients local device address */
     96 };
     97 
     98 typedef struct fd_idx fd_idx_t;
     99 
    100 /*
    101  * SDP server
    102  */
    103 struct server {
    104 	uint16_t		imtu;	/* incoming MTU */
    105 	uint8_t *		ibuf;	/* input buffer */
    106 	size_t			ctllen;	/* control msg buffer length */
    107 	uint8_t *		ctlbuf;	/* control msg buffer */
    108 	sdp_pdu_t		pdu;	/* PDU header */
    109 	uint16_t		omtu;	/* outgoing MTU */
    110 	uint8_t *		obuf;	/* output buffer */
    111 	uint32_t		handle;	/* next ServiceRecordHandle */
    112 	LIST_HEAD(, record)	rlist;	/* ServiceRecord list */
    113 	int			fdmax;	/* descriptor max index */
    114 	fd_idx_t *		fdidx;	/* descriptor index */
    115 	fd_set			fdset;	/* current descriptor set */
    116 	const char *		sgroup;	/* privileged group */
    117 };
    118 
    119 typedef struct server server_t;
    120 
    121 /* compat.c */
    122 uint16_t compat_register_request(server_t *, int);
    123 uint16_t compat_change_request(server_t *, int);
    124 
    125 /* db.c */
    126 bool	db_init(server_t *);
    127 bool	db_next(server_t *, int, record_t **);
    128 void	db_select_ssp(server_t *, int, sdp_data_t *);
    129 void	db_select_handle(server_t *, int, uint32_t);
    130 bool	db_create(server_t *, int, const bdaddr_t *, uint32_t, sdp_data_t *);
    131 void	db_unselect(server_t *, int);
    132 void	db_release(server_t *, int);
    133 
    134 /* log.c */
    135 void	log_open(char const *, bool);
    136 void	log_close(void);
    137 void	log_emerg(char const *, ...) __printflike(1, 2);
    138 void	log_alert(char const *, ...) __printflike(1, 2);
    139 void	log_crit(char const *, ...) __printflike(1, 2);
    140 void	log_err(char const *, ...) __printflike(1, 2);
    141 void	log_warning(char const *, ...) __printflike(1, 2);
    142 void	log_notice(char const *, ...) __printflike(1, 2);
    143 void	log_info(char const *, ...) __printflike(1, 2);
    144 void	log_debug(char const *, ...) __printflike(1, 2);
    145 
    146 /* record.c */
    147 uint16_t record_insert_request(server_t *, int);
    148 uint16_t record_update_request(server_t *, int);
    149 uint16_t record_remove_request(server_t *, int);
    150 
    151 /* server.c */
    152 bool	server_init(server_t *, const char *, const char *);
    153 void	server_shutdown(server_t *);
    154 bool	server_do(server_t *);
    155 void	server_error_response(server_t *, int, uint16_t);
    156 
    157 /* service.c */
    158 uint16_t service_search_request(server_t *, int);
    159 uint16_t service_attribute_request(server_t *, int);
    160 uint16_t service_search_attribute_request(server_t *, int);
    161 
    162 #endif /* _SDPD_H_ */
    163