1330449Seadler/*- 2124758Semax * scr.c 3124758Semax * 4330449Seadler * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 5330449Seadler * 6124758Semax * Copyright (c) 2004 Maksim Yevmenkin <m_evmenkin@yahoo.com> 7124758Semax * All rights reserved. 8124758Semax * 9124758Semax * Redistribution and use in source and binary forms, with or without 10124758Semax * modification, are permitted provided that the following conditions 11124758Semax * are met: 12124758Semax * 1. Redistributions of source code must retain the above copyright 13124758Semax * notice, this list of conditions and the following disclaimer. 14124758Semax * 2. Redistributions in binary form must reproduce the above copyright 15124758Semax * notice, this list of conditions and the following disclaimer in the 16124758Semax * documentation and/or other materials provided with the distribution. 17124758Semax * 18124758Semax * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19124758Semax * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20124758Semax * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21124758Semax * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22124758Semax * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23124758Semax * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24124758Semax * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25124758Semax * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26124758Semax * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27124758Semax * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28124758Semax * SUCH DAMAGE. 29124758Semax * 30124758Semax * $Id: scr.c,v 1.1 2004/01/13 01:54:39 max Exp $ 31124758Semax * $FreeBSD: stable/11/usr.sbin/bluetooth/sdpd/scr.c 330449 2018-03-05 07:26:05Z eadler $ 32124758Semax */ 33124758Semax 34124758Semax#include <sys/queue.h> 35281210Stakawata#define L2CAP_SOCKET_CHECKED 36124758Semax#include <bluetooth.h> 37124758Semax#include <errno.h> 38124758Semax#include <sdp.h> 39124758Semax#include <string.h> 40124758Semax#include "profile.h" 41124758Semax#include "provider.h" 42124758Semax#include "server.h" 43124758Semax 44124758Semax/* 45124758Semax * Prepare Service Change response 46124758Semax */ 47124758Semax 48124758Semaxint32_t 49124758Semaxserver_prepare_service_change_response(server_p srv, int32_t fd) 50124758Semax{ 51124758Semax uint8_t const *req = srv->req + sizeof(sdp_pdu_t); 52124758Semax uint8_t const *req_end = req + ((sdp_pdu_p)(srv->req))->len; 53124758Semax uint8_t *rsp = srv->fdidx[fd].rsp; 54124758Semax 55124758Semax provider_t *provider = NULL; 56124758Semax uint32_t handle; 57124758Semax 58124758Semax /* 59124758Semax * Minimal Service Change Request 60124758Semax * 61124758Semax * value32 - handle 4 bytes 62124758Semax */ 63124758Semax 64153176Semax if (!srv->fdidx[fd].control || 65153176Semax !srv->fdidx[fd].priv || req_end - req < 4) 66124758Semax return (SDP_ERROR_CODE_INVALID_REQUEST_SYNTAX); 67124758Semax 68124758Semax /* Get handle */ 69124758Semax SDP_GET32(handle, req); 70124758Semax 71124758Semax /* Lookup provider */ 72124758Semax provider = provider_by_handle(handle); 73124758Semax if (provider == NULL || provider->fd != fd) 74124758Semax return (SDP_ERROR_CODE_INVALID_SERVICE_RECORD_HANDLE); 75124758Semax 76124758Semax /* Validate user data */ 77124758Semax if (req_end - req < provider->profile->dsize || 78124758Semax provider->profile->valid == NULL || 79124758Semax (provider->profile->valid)(req, req_end - req) == 0) 80124758Semax return (SDP_ERROR_CODE_INVALID_REQUEST_SYNTAX); 81124758Semax 82124758Semax /* Update provider */ 83124758Semax if (provider_update(provider, req, req_end - req) < 0) 84124758Semax return (SDP_ERROR_CODE_INSUFFICIENT_RESOURCES); 85124758Semax 86124758Semax SDP_PUT16(0, rsp); 87124758Semax 88124758Semax /* Set reply size */ 89124758Semax srv->fdidx[fd].rsp_limit = srv->fdidx[fd].omtu - sizeof(sdp_pdu_t); 90124758Semax srv->fdidx[fd].rsp_size = rsp - srv->fdidx[fd].rsp; 91124758Semax srv->fdidx[fd].rsp_cs = 0; 92124758Semax 93124758Semax return (0); 94124758Semax} 95124758Semax 96