1 /* $NetBSD: scr.c,v 1.1 2006/06/19 15:44:56 gdamore Exp $ */ 2 /* $DragonFly: src/usr.sbin/sdpd/scr.c,v 1.2 2008/05/19 10:19:49 corecode Exp $ */ 3 4 /* 5 * scr.c 6 * 7 * Copyright (c) 2004 Maksim Yevmenkin <m_evmenkin@yahoo.com> 8 * All rights reserved. 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 AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * $Id: scr.c,v 1.2 2007/11/30 07:39:37 griffin Exp $ 32 * $FreeBSD: src/usr.sbin/bluetooth/sdpd/scr.c,v 1.2 2005/12/06 17:56:36 emax Exp $ 33 */ 34 35 #include <sys/queue.h> 36 #include <sys/select.h> 37 #include <bluetooth.h> 38 #include <errno.h> 39 #include <sdp.h> 40 #include <string.h> 41 #include "profile.h" 42 #include "provider.h" 43 #include "server.h" 44 45 /* 46 * Prepare Service Change response 47 */ 48 49 int32_t 50 server_prepare_service_change_response(server_p srv, int32_t fd) 51 { 52 uint8_t const *req = srv->req + sizeof(sdp_pdu_t); 53 uint8_t const *req_end = req + ((sdp_pdu_p)(srv->req))->len; 54 uint8_t *rsp = srv->fdidx[fd].rsp; 55 56 provider_t *provider = NULL; 57 uint32_t handle; 58 59 /* 60 * Minimal Service Change Request 61 * 62 * value32 - handle 4 bytes 63 */ 64 65 if (!srv->fdidx[fd].control || 66 !srv->fdidx[fd].priv || req_end - req < 4) 67 return (SDP_ERROR_CODE_INVALID_REQUEST_SYNTAX); 68 69 /* Get handle */ 70 SDP_GET32(handle, req); 71 72 /* Lookup provider */ 73 provider = provider_by_handle(handle); 74 if (provider == NULL || provider->fd != fd) 75 return (SDP_ERROR_CODE_INVALID_SERVICE_RECORD_HANDLE); 76 77 /* Validate user data */ 78 if (req_end - req < provider->profile->dsize || 79 provider->profile->valid == NULL || 80 (provider->profile->valid)(req, req_end - req) == 0) 81 return (SDP_ERROR_CODE_INVALID_REQUEST_SYNTAX); 82 83 /* Update provider */ 84 if (provider_update(provider, req, req_end - req) < 0) 85 return (SDP_ERROR_CODE_INSUFFICIENT_RESOURCES); 86 87 SDP_PUT16(0, rsp); 88 89 /* Set reply size */ 90 srv->fdidx[fd].rsp_limit = srv->fdidx[fd].omtu - sizeof(sdp_pdu_t); 91 srv->fdidx[fd].rsp_size = rsp - srv->fdidx[fd].rsp; 92 srv->fdidx[fd].rsp_cs = 0; 93 94 return (0); 95 } 96