1 /* 2 * scr.c 3 * 4 * Copyright (c) 2004 Maksim Yevmenkin <m_evmenkin@yahoo.com> 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 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * $Id: scr.c,v 1.1 2004/01/13 01:54:39 max Exp $ 29 * $FreeBSD$ 30 */ 31 32 #include <sys/queue.h> 33 #include <bluetooth.h> 34 #include <errno.h> 35 #include <sdp.h> 36 #include <string.h> 37 #include "profile.h" 38 #include "provider.h" 39 #include "server.h" 40 41 /* 42 * Prepare Service Change response 43 */ 44 45 int32_t 46 server_prepare_service_change_response(server_p srv, int32_t fd) 47 { 48 uint8_t const *req = srv->req + sizeof(sdp_pdu_t); 49 uint8_t const *req_end = req + ((sdp_pdu_p)(srv->req))->len; 50 uint8_t *rsp = srv->fdidx[fd].rsp; 51 52 provider_t *provider = NULL; 53 uint32_t handle; 54 55 /* 56 * Minimal Service Change Request 57 * 58 * value32 - handle 4 bytes 59 */ 60 61 if (!srv->fdidx[fd].control || 62 !srv->fdidx[fd].priv || req_end - req < 4) 63 return (SDP_ERROR_CODE_INVALID_REQUEST_SYNTAX); 64 65 /* Get handle */ 66 SDP_GET32(handle, req); 67 68 /* Lookup provider */ 69 provider = provider_by_handle(handle); 70 if (provider == NULL || provider->fd != fd) 71 return (SDP_ERROR_CODE_INVALID_SERVICE_RECORD_HANDLE); 72 73 /* Validate user data */ 74 if (req_end - req < provider->profile->dsize || 75 provider->profile->valid == NULL || 76 (provider->profile->valid)(req, req_end - req) == 0) 77 return (SDP_ERROR_CODE_INVALID_REQUEST_SYNTAX); 78 79 /* Update provider */ 80 if (provider_update(provider, req, req_end - req) < 0) 81 return (SDP_ERROR_CODE_INSUFFICIENT_RESOURCES); 82 83 SDP_PUT16(0, rsp); 84 85 /* Set reply size */ 86 srv->fdidx[fd].rsp_limit = srv->fdidx[fd].omtu - sizeof(sdp_pdu_t); 87 srv->fdidx[fd].rsp_size = rsp - srv->fdidx[fd].rsp; 88 srv->fdidx[fd].rsp_cs = 0; 89 90 return (0); 91 } 92 93