a5c89047c0
NetBSD Foundation Membership still pending.) This stack was written by Iain under sponsorship from Itronix Inc. The stack includes support for rfcomm networking (networking via your bluetooth enabled cell phone), hid devices (keyboards/mice), and headsets. Drivers for both PCMCIA and USB bluetooth controllers are included.
275 lines
7.4 KiB
C
275 lines
7.4 KiB
C
/* $NetBSD: service.c,v 1.1 2006/06/19 15:44:36 gdamore Exp $ */
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/*-
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* Copyright (c) 2006 Itronix Inc.
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* All rights reserved.
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*
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* Written by Iain Hibbert for Itronix Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of Itronix Inc. may not be used to endorse
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* or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY ITRONIX INC. ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ITRONIX INC. BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* service.c
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*
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* Copyright (c) 2001-2003 Maksim Yevmenkin <m_evmenkin@yahoo.com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: service.c,v 1.1 2006/06/19 15:44:36 gdamore Exp $
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* $FreeBSD: src/lib/libsdp/service.c,v 1.1 2004/01/20 20:48:25 emax Exp $
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*/
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#include <sys/cdefs.h>
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__RCSID("$NetBSD: service.c,v 1.1 2006/06/19 15:44:36 gdamore Exp $");
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#include <sys/uio.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <bluetooth.h>
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#include <errno.h>
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#include <string.h>
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#include <unistd.h>
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#include <sdp-int.h>
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#include <sdp.h>
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static int32_t sdp_receive_error_pdu(sdp_session_p ss);
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int32_t
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sdp_register_service(void *xss, uint16_t uuid, bdaddr_t *bdaddr,
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uint8_t *data, uint32_t datalen, uint32_t *handle)
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{
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sdp_session_p ss = (sdp_session_p) xss;
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struct iovec iov[4];
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sdp_pdu_t pdu;
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int32_t len;
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if (ss == NULL)
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return (-1);
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if (bdaddr == NULL || data == NULL ||
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datalen == 0 || !(ss->flags & SDP_SESSION_LOCAL)) {
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ss->error = EINVAL;
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return (-1);
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}
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if (sizeof(pdu)+sizeof(uuid)+sizeof(*bdaddr)+datalen > SDP_LOCAL_MTU) {
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ss->error = EMSGSIZE;
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return (-1);
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}
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pdu.pid = SDP_PDU_SERVICE_REGISTER_REQUEST;
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pdu.tid = htons(++ss->tid);
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pdu.len = htons(sizeof(uuid) + sizeof(*bdaddr) + datalen);
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uuid = htons(uuid);
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iov[0].iov_base = (void *) &pdu;
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iov[0].iov_len = sizeof(pdu);
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iov[1].iov_base = (void *) &uuid;
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iov[1].iov_len = sizeof(uuid);
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iov[2].iov_base = (void *) bdaddr;
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iov[2].iov_len = sizeof(*bdaddr);
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iov[3].iov_base = (void *) data;
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iov[3].iov_len = datalen;
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do {
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len = writev(ss->s, iov, sizeof(iov)/sizeof(iov[0]));
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} while (len < 0 && errno == EINTR);
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if (len < 0) {
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ss->error = errno;
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return (-1);
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}
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len = sdp_receive_error_pdu(ss);
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if (len < 0)
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return (-1);
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if (len != sizeof(pdu) + sizeof(uint16_t) + sizeof(uint32_t)) {
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ss->error = EIO;
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return (-1);
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}
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if (handle != NULL) {
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*handle = (uint32_t) ss->rsp[--len];
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*handle |= (uint32_t) ss->rsp[--len] << 8;
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*handle |= (uint32_t) ss->rsp[--len] << 16;
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*handle |= (uint32_t) ss->rsp[--len] << 24;
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}
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return (0);
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}
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int32_t
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sdp_unregister_service(void *xss, uint32_t handle)
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{
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sdp_session_p ss = (sdp_session_p) xss;
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struct iovec iov[2];
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sdp_pdu_t pdu;
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int32_t len;
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if (ss == NULL)
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return (-1);
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if (!(ss->flags & SDP_SESSION_LOCAL)) {
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ss->error = EINVAL;
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return (-1);
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}
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#if 0
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if (sizeof(pdu) + sizeof(handle) > SDP_LOCAL_MTU) {
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ss->error = EMSGSIZE;
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return (-1);
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}
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#endif
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pdu.pid = SDP_PDU_SERVICE_UNREGISTER_REQUEST;
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pdu.tid = htons(++ss->tid);
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pdu.len = htons(sizeof(handle));
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handle = htonl(handle);
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iov[0].iov_base = (void *) &pdu;
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iov[0].iov_len = sizeof(pdu);
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iov[1].iov_base = (void *) &handle;
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iov[1].iov_len = sizeof(handle);
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do {
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len = writev(ss->s, iov, sizeof(iov)/sizeof(iov[0]));
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} while (len < 0 && errno == EINTR);
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if (len < 0) {
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ss->error = errno;
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return (-1);
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}
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return ((sdp_receive_error_pdu(ss) < 0)? -1 : 0);
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}
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int32_t
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sdp_change_service(void *xss, uint32_t handle,
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uint8_t *data, uint32_t datalen)
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{
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sdp_session_p ss = (sdp_session_p) xss;
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struct iovec iov[3];
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sdp_pdu_t pdu;
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int32_t len;
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if (ss == NULL)
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return (-1);
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if (data == NULL || datalen == 0 || !(ss->flags & SDP_SESSION_LOCAL)) {
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ss->error = EINVAL;
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return (-1);
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}
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if (sizeof(pdu) + sizeof(handle) + datalen > SDP_LOCAL_MTU) {
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ss->error = EMSGSIZE;
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return (-1);
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}
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pdu.pid = SDP_PDU_SERVICE_CHANGE_REQUEST;
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pdu.tid = htons(++ss->tid);
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pdu.len = htons(sizeof(handle) + datalen);
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handle = htons(handle);
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iov[0].iov_base = (void *) &pdu;
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iov[0].iov_len = sizeof(pdu);
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iov[1].iov_base = (void *) &handle;
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iov[1].iov_len = sizeof(handle);
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iov[2].iov_base = (void *) data;
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iov[2].iov_len = datalen;
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do {
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len = writev(ss->s, iov, sizeof(iov)/sizeof(iov[0]));
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} while (len < 0 && errno == EINTR);
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if (len < 0) {
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ss->error = errno;
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return (-1);
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}
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return ((sdp_receive_error_pdu(ss) < 0)? -1 : 0);
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}
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static int32_t
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sdp_receive_error_pdu(sdp_session_p ss)
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{
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sdp_pdu_t pdu;
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int32_t len;
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uint16_t error;
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do {
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len = read(ss->s, ss->rsp, (size_t)(ss->rsp_e - ss->rsp));
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} while (len < 0 && errno == EINTR);
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if (len < 0) {
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ss->error = errno;
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return (-1);
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}
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memcpy(&pdu, ss->rsp, sizeof(pdu));
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pdu.tid = ntohs(pdu.tid);
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pdu.len = ntohs(pdu.len);
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memcpy(ss->rsp, &pdu, sizeof(pdu));
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if (pdu.pid != SDP_PDU_ERROR_RESPONSE || pdu.tid != ss->tid ||
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pdu.len < 2 || pdu.len != len - sizeof(pdu)) {
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ss->error = EIO;
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return (-1);
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}
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error = (uint16_t) ss->rsp[sizeof(pdu)] << 8;
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error |= (uint16_t) ss->rsp[sizeof(pdu) + 1];
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if (error != 0) {
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ss->error = EIO;
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return (-1);
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}
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return (len);
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}
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