1 /* $NetBSD: lan.c,v 1.2 2007/11/09 20:08:41 plunky Exp $ */ 2 /* $DragonFly: src/usr.sbin/sdpd/lan.c,v 1.1 2008/01/06 21:51:30 hasso Exp $ */ 3 4 /* 5 * lan.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: lan.c,v 1.2 2007/11/30 07:39:37 griffin Exp $ 32 * $FreeBSD: src/usr.sbin/bluetooth/sdpd/lan.c,v 1.1 2004/01/20 20:48:26 emax Exp $ 33 */ 34 35 #include <arpa/inet.h> 36 #include <sys/queue.h> 37 #include <bluetooth.h> 38 #include <sdp.h> 39 #include <stdio.h> 40 #include <string.h> 41 #include "profile.h" 42 #include "provider.h" 43 44 static int32_t 45 lan_profile_create_service_class_id_list( 46 uint8_t *buf, uint8_t const * const eob, 47 uint8_t const *data, uint32_t datalen) 48 { 49 static uint16_t service_classes[] = { 50 SDP_SERVICE_CLASS_LAN_ACCESS_USING_PPP 51 }; 52 53 return (common_profile_create_service_class_id_list( 54 buf, eob, 55 (uint8_t const *) service_classes, 56 sizeof(service_classes))); 57 } 58 59 static int32_t 60 lan_profile_create_bluetooth_profile_descriptor_list( 61 uint8_t *buf, uint8_t const * const eob, 62 uint8_t const *data, uint32_t datalen) 63 { 64 static uint16_t profile_descriptor_list[] = { 65 SDP_SERVICE_CLASS_LAN_ACCESS_USING_PPP, 66 0x0100 67 }; 68 69 return (common_profile_create_bluetooth_profile_descriptor_list( 70 buf, eob, 71 (uint8_t const *) profile_descriptor_list, 72 sizeof(profile_descriptor_list))); 73 } 74 75 static int32_t 76 lan_profile_create_service_name( 77 uint8_t *buf, uint8_t const * const eob, 78 uint8_t const *data, uint32_t datalen) 79 { 80 static char service_name[] = "LAN Access using PPP"; 81 82 return (common_profile_create_string8( 83 buf, eob, 84 (uint8_t const *) service_name, strlen(service_name))); 85 } 86 87 static int32_t 88 lan_profile_create_protocol_descriptor_list( 89 uint8_t *buf, uint8_t const * const eob, 90 uint8_t const *data, uint32_t datalen) 91 { 92 provider_t const *provider = (provider_t const *) data; 93 sdp_lan_profile_p lan = (sdp_lan_profile_p) provider->data; 94 95 return (rfcomm_profile_create_protocol_descriptor_list( 96 buf, eob, 97 (uint8_t const *) &lan->server_channel, 1)); 98 } 99 100 static int32_t 101 lan_profile_create_service_availability( 102 uint8_t *buf, uint8_t const * const eob, 103 uint8_t const *data, uint32_t datalen) 104 { 105 provider_t const *provider = (provider_t const *) data; 106 sdp_lan_profile_p lan = (sdp_lan_profile_p) provider->data; 107 108 if (buf + 2 > eob) 109 return (-1); 110 111 SDP_PUT8(SDP_DATA_UINT8, buf); 112 SDP_PUT8(lan->load_factor, buf); 113 114 return (2); 115 } 116 117 static int32_t 118 lan_profile_create_ip_subnet( 119 uint8_t *buf, uint8_t const * const eob, 120 uint8_t const *data, uint32_t datalen) 121 { 122 provider_t const *provider = (provider_t const *) data; 123 sdp_lan_profile_p lan = (sdp_lan_profile_p) provider->data; 124 char net[32]; 125 int32_t len; 126 127 len = snprintf(net, sizeof(net), "%s/%d", 128 inet_ntoa(* (struct in_addr *) &lan->ip_subnet), 129 lan->ip_subnet_radius); 130 131 if (len < 0 || buf + 2 + len > eob) 132 return (-1); 133 134 SDP_PUT8(SDP_DATA_STR8, buf); 135 SDP_PUT8(len, buf); 136 memcpy(buf, net, len); 137 138 return (2 + len); 139 } 140 141 static int32_t 142 lan_profile_data_valid(uint8_t const *data, uint32_t datalen) 143 { 144 sdp_lan_profile_t const *lan = (sdp_lan_profile_t const *) data; 145 146 if (lan->server_channel < 1 || 147 lan->server_channel > 30 || 148 lan->ip_subnet_radius > 32) 149 return (0); 150 151 return (1); 152 } 153 154 static attr_t lan_profile_attrs[] = { 155 { SDP_ATTR_SERVICE_RECORD_HANDLE, 156 common_profile_create_service_record_handle }, 157 { SDP_ATTR_SERVICE_CLASS_ID_LIST, 158 lan_profile_create_service_class_id_list }, 159 { SDP_ATTR_BLUETOOTH_PROFILE_DESCRIPTOR_LIST, 160 lan_profile_create_bluetooth_profile_descriptor_list }, 161 { SDP_ATTR_LANGUAGE_BASE_ATTRIBUTE_ID_LIST, 162 common_profile_create_language_base_attribute_id_list }, 163 { SDP_ATTR_PRIMARY_LANGUAGE_BASE_ID + SDP_ATTR_SERVICE_NAME_OFFSET, 164 lan_profile_create_service_name }, 165 { SDP_ATTR_PROTOCOL_DESCRIPTOR_LIST, 166 lan_profile_create_protocol_descriptor_list }, 167 { SDP_ATTR_SERVICE_AVAILABILITY, 168 lan_profile_create_service_availability }, 169 { SDP_ATTR_IP_SUBNET, 170 lan_profile_create_ip_subnet }, 171 { 0, NULL } /* end entry */ 172 }; 173 174 static uint16_t lan_profile_uuids[] = { 175 SDP_SERVICE_CLASS_LAN_ACCESS_USING_PPP, 176 SDP_UUID_PROTOCOL_L2CAP, 177 SDP_UUID_PROTOCOL_RFCOMM, 178 }; 179 180 profile_t lan_profile_descriptor = { 181 lan_profile_uuids, 182 sizeof(lan_profile_uuids), 183 sizeof(sdp_lan_profile_t), 184 lan_profile_data_valid, 185 (attr_t const * const) &lan_profile_attrs 186 }; 187