1 /* 2 * Copyright (C) 2014 BlueKitchen GmbH 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the copyright holders nor the names of 14 * contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 4. Any redistribution, use, or modification is done solely for 17 * personal benefit and not for any commercial purpose or for 18 * monetary gain. 19 * 20 * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS 24 * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 26 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 27 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 28 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 29 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 30 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * Please inquire about commercial licensing options at 34 * [email protected] 35 * 36 */ 37 38 /* 39 * pan.h 40 * 41 * Created by Milanka Ringwald on 10/16/14. 42 */ 43 44 #include "pan.h" 45 46 #include <stdio.h> 47 #include <string.h> 48 49 #include "btstack_config.h" 50 #include "classic/core.h" 51 #include "classic/sdp_util.h" 52 53 static const char default_panu_service_name[] = "Personal Ad-hoc User Service"; 54 static const char default_panu_service_desc[] = "Personal Ad-hoc User Service"; 55 56 static const char default_nap_service_name[] = "Network Access Point Service"; 57 static const char default_nap_service_desc[] = "Personal Ad-hoc Network Service which provides access to a network"; 58 59 static const char default_gn_service_name[] = "Group Ad-hoc Network Service"; 60 static const char default_gn_service_desc[] = "Personal Group Ad-hoc Network Service"; 61 62 static void pan_create_service(uint8_t *service, uint32_t service_record_handle, 63 uint32_t service_uuid, uint16_t * network_packet_types, const char *name, const char *descriptor, 64 security_description_t security_desc, net_access_type_t net_access_type, uint32_t max_net_access_rate, 65 const char *IPv4Subnet, const char *IPv6Subnet){ 66 67 uint8_t* attribute; 68 de_create_sequence(service); 69 70 // 0x0000 "Service Record Handle" 71 de_add_number(service, DE_UINT, DE_SIZE_16, SDP_ServiceRecordHandle); 72 de_add_number(service, DE_UINT, DE_SIZE_32, service_record_handle); 73 74 // 0x0001 "Service Class ID List" 75 de_add_number(service, DE_UINT, DE_SIZE_16, SDP_ServiceClassIDList); 76 attribute = de_push_sequence(service); 77 { 78 // "UUID for PAN Service" 79 de_add_number(attribute, DE_UUID, DE_SIZE_32, service_uuid); 80 } 81 de_pop_sequence(service, attribute); 82 83 // 0x0004 "Protocol Descriptor List" 84 de_add_number(service, DE_UINT, DE_SIZE_16, SDP_ProtocolDescriptorList); 85 attribute = de_push_sequence(service); 86 { 87 uint8_t* l2cpProtocol = de_push_sequence(attribute); 88 { 89 de_add_number(l2cpProtocol, DE_UUID, DE_SIZE_16, SDP_L2CAPProtocol); 90 de_add_number(l2cpProtocol, DE_UINT, DE_SIZE_16, PSM_BNEP); // l2cap psm 91 } 92 de_pop_sequence(attribute, l2cpProtocol); 93 94 uint8_t* bnep = de_push_sequence(attribute); 95 { 96 de_add_number(bnep, DE_UUID, DE_SIZE_16, SDP_BNEPProtocol); 97 de_add_number(bnep, DE_UINT, DE_SIZE_16, 0x0100); // version 98 99 uint8_t * net_packet_type_list = de_push_sequence(bnep); 100 { 101 if (network_packet_types){ 102 while (*network_packet_types){ 103 de_add_number(net_packet_type_list, DE_UINT, DE_SIZE_16, *network_packet_types++); 104 } 105 } 106 } 107 de_pop_sequence(bnep, net_packet_type_list); 108 } 109 de_pop_sequence(attribute, bnep); 110 } 111 de_pop_sequence(service, attribute); 112 113 // 0x0005 "Public Browse Group" 114 de_add_number(service, DE_UINT, DE_SIZE_16, SDP_BrowseGroupList); // public browse group 115 attribute = de_push_sequence(service); 116 { 117 de_add_number(attribute, DE_UUID, DE_SIZE_16, SDP_PublicBrowseGroup); 118 } 119 de_pop_sequence(service, attribute); 120 121 // 0x0006 "LanguageBaseAttributeIDList" 122 de_add_number(service, DE_UINT, DE_SIZE_16, SDP_LanguageBaseAttributeIDList); 123 attribute = de_push_sequence(service); 124 { 125 de_add_number(attribute, DE_UINT, DE_SIZE_16, 0x656e); 126 de_add_number(attribute, DE_UINT, DE_SIZE_16, 0x006a); 127 de_add_number(attribute, DE_UINT, DE_SIZE_16, 0x0100); // Base for Service Name and Service Description 128 } 129 de_pop_sequence(service, attribute); 130 131 // 0x0008 "Service Availability", optional 132 // de_add_number(service, DE_UINT, DE_SIZE_16, 0x0008); 133 // de_add_number(service, DE_UINT, DE_SIZE_8, service_availability); 134 135 // 0x0009 "Bluetooth Profile Descriptor List" 136 de_add_number(service, DE_UINT, DE_SIZE_16, SDP_BluetoothProfileDescriptorList); 137 attribute = de_push_sequence(service); 138 { 139 uint8_t *sppProfile = de_push_sequence(attribute); 140 { 141 de_add_number(sppProfile, DE_UUID, DE_SIZE_16, service_uuid); 142 de_add_number(sppProfile, DE_UINT, DE_SIZE_16, 0x0100); // Verision 1.0 143 } 144 de_pop_sequence(attribute, sppProfile); 145 } 146 de_pop_sequence(service, attribute); 147 148 // 0x0100 "Service Name" 149 de_add_number(service, DE_UINT, DE_SIZE_16, 0x0100); 150 if (name){ 151 de_add_data(service, DE_STRING, strlen(name), (uint8_t *) name); 152 } else { 153 switch (service_uuid){ 154 case SDP_PANU: 155 de_add_data(service, DE_STRING, strlen(default_panu_service_name), (uint8_t *) default_panu_service_name); 156 break; 157 case SDP_NAP: 158 de_add_data(service, DE_STRING, strlen(default_nap_service_name), (uint8_t *) default_nap_service_name); 159 break; 160 case SDP_GN: 161 de_add_data(service, DE_STRING, strlen(default_gn_service_name), (uint8_t *) default_gn_service_name); 162 break; 163 default: 164 break; 165 } 166 } 167 168 // 0x0101 "Service Description" 169 de_add_number(service, DE_UINT, DE_SIZE_16, 0x0101); 170 if (descriptor){ 171 de_add_data(service, DE_STRING, strlen(descriptor), (uint8_t *) descriptor); 172 } else { 173 switch (service_uuid){ 174 case SDP_PANU: 175 de_add_data(service, DE_STRING, strlen(default_panu_service_desc), (uint8_t *) default_panu_service_desc); 176 break; 177 case SDP_NAP: 178 de_add_data(service, DE_STRING, strlen(default_nap_service_desc), (uint8_t *) default_nap_service_desc); 179 break; 180 case SDP_GN: 181 de_add_data(service, DE_STRING, strlen(default_gn_service_desc), (uint8_t *) default_gn_service_desc); 182 break; 183 default: 184 break; 185 } 186 } 187 188 // 0x030A "Security Description" 189 de_add_number(service, DE_UINT, DE_SIZE_16, 0x030A); 190 de_add_number(service, DE_UINT, DE_SIZE_16, security_desc); 191 192 if (service_uuid == SDP_PANU) return; 193 194 if (IPv4Subnet){ 195 // 0x030D "IPv4Subnet", optional 196 de_add_number(service, DE_UINT, DE_SIZE_16, 0x030D); 197 de_add_data(service, DE_STRING, strlen(IPv4Subnet), (uint8_t *) IPv4Subnet); 198 } 199 200 if (IPv6Subnet){ 201 // 0x030E "IPv6Subnet", optional 202 de_add_number(service, DE_UINT, DE_SIZE_16, 0x030E); 203 de_add_data(service, DE_STRING, strlen(IPv6Subnet), (uint8_t *) IPv6Subnet); 204 } 205 206 if (service_uuid == SDP_GN) return; 207 208 // 0x030B "NetAccessType" 209 de_add_number(service, DE_UINT, DE_SIZE_16, 0x030B); 210 de_add_number(service, DE_UINT, DE_SIZE_16, net_access_type); 211 212 // 0x030C "MaxNetAccessRate" 213 de_add_number(service, DE_UINT, DE_SIZE_16, 0x030C); 214 de_add_number(service, DE_UINT, DE_SIZE_32, max_net_access_rate); 215 216 } 217 218 219 void pan_create_nap_sdp_record(uint8_t *service, uint32_t service_record_handle, uint16_t * network_packet_types, const char *name, const char *description, security_description_t security_desc, 220 net_access_type_t net_access_type, uint32_t max_net_access_rate, const char *IPv4Subnet, const char *IPv6Subnet){ 221 222 pan_create_service(service, service_record_handle, SDP_NAP, network_packet_types, name, description, security_desc, net_access_type, max_net_access_rate, IPv4Subnet, IPv6Subnet); 223 } 224 225 void pan_create_gn_sdp_service(uint8_t *service, uint32_t service_record_handle, uint16_t * network_packet_types, const char *name, const char *description, security_description_t security_desc, 226 const char *IPv4Subnet, const char *IPv6Subnet){ 227 pan_create_service(service, service_record_handle, SDP_GN, network_packet_types, name, description, security_desc, PAN_NET_ACCESS_TYPE_NONE, 0, IPv4Subnet, IPv6Subnet); 228 } 229 230 void pan_create_panu_sdp_record(uint8_t *service, uint32_t service_record_handle, uint16_t * network_packet_types, const char *name, const char *description, security_description_t security_desc){ 231 pan_create_service(service, service_record_handle, SDP_PANU, network_packet_types, name, description, security_desc, PAN_NET_ACCESS_TYPE_NONE, 0, NULL, NULL); 232 } 233