Home | History | Annotate | Line # | Download | only in libbluetooth
      1 /*	$NetBSD: sdp_record.c,v 1.1 2009/05/12 10:05:06 plunky Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2009 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Iain Hibbert.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND 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 THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND 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 #include <sys/cdefs.h>
     33 __RCSID("$NetBSD: sdp_record.c,v 1.1 2009/05/12 10:05:06 plunky Exp $");
     34 
     35 #include <errno.h>
     36 #include <sdp.h>
     37 #include <stdlib.h>
     38 #include <string.h>
     39 #include <unistd.h>
     40 
     41 #include "sdp-int.h"
     42 
     43 /*
     44  * This is the interface to sdpd(8); These PDU IDs are NOT part
     45  * of the Bluetooth specification.
     46  */
     47 
     48 bool
     49 sdp_record_insert(struct sdp_session *ss, bdaddr_t *bdaddr,
     50     uint32_t *handle, const sdp_data_t *rec)
     51 {
     52 	struct iovec	req[4];
     53 	sdp_data_t	hdr;
     54 	uint8_t		data[5];
     55 	ssize_t		len;
     56 	bdaddr_t	ba;
     57 	uint16_t	ec;
     58 
     59 	/*
     60 	 * setup BluetoothDeviceAddress
     61 	 */
     62 	bdaddr_copy(&ba, (bdaddr == NULL) ? BDADDR_ANY : bdaddr);
     63 	req[1].iov_base = &ba;
     64 	req[1].iov_len = sizeof(bdaddr_t);
     65 
     66 	/*
     67 	 * setup ServiceRecord
     68 	 */
     69 	len = rec->end - rec->next;
     70 	if (len < 0 || len > UINT16_MAX) {
     71 		errno = EINVAL;
     72 		return false;
     73 	}
     74 
     75 	hdr.next = data;
     76 	hdr.end = data + sizeof(data) + len;
     77 	sdp_put_seq(&hdr, len);
     78 	req[2].iov_base = data;
     79 	req[2].iov_len = hdr.next - data;
     80 
     81 	req[3].iov_base = rec->next;
     82 	req[3].iov_len = len;
     83 
     84 	/*
     85 	 * InsertRecord Transaction
     86 	 */
     87 	if (!_sdp_send_pdu(ss, SDP_PDU_RECORD_INSERT_REQUEST,
     88 	    req, __arraycount(req)))
     89 		return false;
     90 
     91 	len = _sdp_recv_pdu(ss, SDP_PDU_ERROR_RESPONSE);
     92 	if (len == -1)
     93 		return false;
     94 
     95 	if (len != sizeof(uint16_t) + sizeof(uint32_t)) {
     96 		errno = EIO;
     97 		return false;
     98 	}
     99 
    100 	/*
    101 	 * extract and check ErrorCode (success == 0)
    102 	 */
    103 	ec = be16dec(ss->ibuf);
    104 	if (ec != 0) {
    105 		errno = _sdp_errno(ec);
    106 		return false;
    107 	}
    108 
    109 	/*
    110 	 * extract ServiceRecordHandle if required
    111 	 */
    112 	if (handle != NULL)
    113 		*handle = be32dec(ss->ibuf + sizeof(uint16_t));
    114 
    115 	return true;
    116 }
    117 
    118 bool
    119 sdp_record_update(struct sdp_session *ss, uint32_t handle,
    120     const sdp_data_t *rec)
    121 {
    122 	struct iovec	req[4];
    123 	sdp_data_t	hdr;
    124 	uint8_t		data[5];
    125 	ssize_t		len;
    126 	uint16_t	ec;
    127 
    128 	/*
    129 	 * setup ServiceRecordHandle
    130 	 */
    131 	handle = htobe32(handle);
    132 	req[1].iov_base = &handle;
    133 	req[1].iov_len = sizeof(handle);
    134 
    135 	/*
    136 	 * setup ServiceRecord
    137 	 */
    138 	len = rec->end - rec->next;
    139 	if (len < 0 || len > UINT16_MAX) {
    140 		errno = EINVAL;
    141 		return false;
    142 	}
    143 
    144 	hdr.next = data;
    145 	hdr.end = data + sizeof(data) + len;
    146 	sdp_put_seq(&hdr, len);
    147 	req[2].iov_base = data;
    148 	req[2].iov_len = hdr.next - data;
    149 
    150 	req[3].iov_base = rec->next;
    151 	req[3].iov_len = len;
    152 
    153 	/*
    154 	 * UpdateRecord Transaction
    155 	 */
    156 	if (!_sdp_send_pdu(ss, SDP_PDU_RECORD_UPDATE_REQUEST,
    157 	    req, __arraycount(req)))
    158 		return false;
    159 
    160 	len = _sdp_recv_pdu(ss, SDP_PDU_ERROR_RESPONSE);
    161 	if (len == -1)
    162 		return false;
    163 
    164 	if (len != sizeof(uint16_t)) {
    165 		errno = EIO;
    166 		return false;
    167 	}
    168 
    169 	/*
    170 	 * extract and check ErrorCode (success == 0)
    171 	 */
    172 	if ((ec = be16dec(ss->ibuf)) != 0) {
    173 		errno = _sdp_errno(ec);
    174 		return false;
    175 	}
    176 
    177 	return true;
    178 }
    179 
    180 bool
    181 sdp_record_remove(struct sdp_session *ss, uint32_t handle)
    182 {
    183 	struct iovec	req[2];
    184 	ssize_t		len;
    185 	uint16_t	ec;
    186 
    187 	/*
    188 	 * setup ServiceRecordHandle
    189 	 */
    190 	handle = htobe32(handle);
    191 	req[1].iov_base = &handle;
    192 	req[1].iov_len = sizeof(handle);
    193 
    194 	/*
    195 	 * RemoveRecord Transaction
    196 	 */
    197 	if (!_sdp_send_pdu(ss, SDP_PDU_RECORD_REMOVE_REQUEST,
    198 	    req, __arraycount(req)))
    199 		return false;
    200 
    201 	len = _sdp_recv_pdu(ss, SDP_PDU_ERROR_RESPONSE);
    202 	if (len == -1)
    203 		return false;
    204 
    205 	if (len != sizeof(uint16_t)) {
    206 		errno = EIO;
    207 		return false;
    208 	}
    209 
    210 	/*
    211 	 * extract and check ErrorCode (success == 0)
    212 	 */
    213 	ec = be16dec(ss->ibuf);
    214 	if (ec != 0) {
    215 		errno = _sdp_errno(ec);
    216 		return false;
    217 	}
    218 
    219 	return true;
    220 }
    221