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 51 #include "classic/sdp_util.h" 52 #include "hci_cmds.h" 53 54 static const char default_panu_service_name[] = "Personal Ad-hoc User Service"; 55 static const char default_panu_service_desc[] = "Personal Ad-hoc User Service"; 56 57 static const char default_nap_service_name[] = "Network Access Point Service"; 58 static const char default_nap_service_desc[] = "Personal Ad-hoc Network Service which provides access to a network"; 59 60 static const char default_gn_service_name[] = "Group Ad-hoc Network Service"; 61 static const char default_gn_service_desc[] = "Personal Group Ad-hoc Network Service"; 62 63 static void pan_create_service(uint8_t *service, uint32_t service_record_handle, 64 uint32_t service_uuid, uint16_t * network_packet_types, const char *name, const char *descriptor, 65 security_description_t security_desc, net_access_type_t net_access_type, uint32_t max_net_access_rate, 66 const char *IPv4Subnet, const char *IPv6Subnet){ 67 68 uint8_t* attribute; 69 de_create_sequence(service); 70 71 // 0x0000 "Service Record Handle" 72 de_add_number(service, DE_UINT, DE_SIZE_16, SDP_ServiceRecordHandle); 73 de_add_number(service, DE_UINT, DE_SIZE_32, service_record_handle); 74 75 // 0x0001 "Service Class ID List" 76 de_add_number(service, DE_UINT, DE_SIZE_16, SDP_ServiceClassIDList); 77 attribute = de_push_sequence(service); 78 { 79 // "UUID for PAN Service" 80 de_add_number(attribute, DE_UUID, DE_SIZE_32, service_uuid); 81 } 82 de_pop_sequence(service, attribute); 83 84 // 0x0004 "Protocol Descriptor List" 85 de_add_number(service, DE_UINT, DE_SIZE_16, SDP_ProtocolDescriptorList); 86 attribute = de_push_sequence(service); 87 { 88 uint8_t* l2cpProtocol = de_push_sequence(attribute); 89 { 90 de_add_number(l2cpProtocol, DE_UUID, DE_SIZE_16, SDP_L2CAPProtocol); 91 de_add_number(l2cpProtocol, DE_UINT, DE_SIZE_16, PSM_BNEP); // l2cap psm 92 } 93 de_pop_sequence(attribute, l2cpProtocol); 94 95 uint8_t* bnep = de_push_sequence(attribute); 96 { 97 de_add_number(bnep, DE_UUID, DE_SIZE_16, SDP_BNEPProtocol); 98 de_add_number(bnep, DE_UINT, DE_SIZE_16, 0x0100); // version 99 100 uint8_t * net_packet_type_list = de_push_sequence(bnep); 101 { 102 if (network_packet_types){ 103 while (*network_packet_types){ 104 de_add_number(net_packet_type_list, DE_UINT, DE_SIZE_16, *network_packet_types++); 105 } 106 } 107 } 108 de_pop_sequence(bnep, net_packet_type_list); 109 } 110 de_pop_sequence(attribute, bnep); 111 } 112 de_pop_sequence(service, attribute); 113 114 // 0x0005 "Public Browse Group" 115 de_add_number(service, DE_UINT, DE_SIZE_16, SDP_BrowseGroupList); // public browse group 116 attribute = de_push_sequence(service); 117 { 118 de_add_number(attribute, DE_UUID, DE_SIZE_16, SDP_PublicBrowseGroup); 119 } 120 de_pop_sequence(service, attribute); 121 122 // 0x0006 "LanguageBaseAttributeIDList" 123 de_add_number(service, DE_UINT, DE_SIZE_16, SDP_LanguageBaseAttributeIDList); 124 attribute = de_push_sequence(service); 125 { 126 de_add_number(attribute, DE_UINT, DE_SIZE_16, 0x656e); 127 de_add_number(attribute, DE_UINT, DE_SIZE_16, 0x006a); 128 de_add_number(attribute, DE_UINT, DE_SIZE_16, 0x0100); // Base for Service Name and Service Description 129 } 130 de_pop_sequence(service, attribute); 131 132 // 0x0008 "Service Availability", optional 133 // de_add_number(service, DE_UINT, DE_SIZE_16, 0x0008); 134 // de_add_number(service, DE_UINT, DE_SIZE_8, service_availability); 135 136 // 0x0009 "Bluetooth Profile Descriptor List" 137 de_add_number(service, DE_UINT, DE_SIZE_16, SDP_BluetoothProfileDescriptorList); 138 attribute = de_push_sequence(service); 139 { 140 uint8_t *sppProfile = de_push_sequence(attribute); 141 { 142 de_add_number(sppProfile, DE_UUID, DE_SIZE_16, service_uuid); 143 de_add_number(sppProfile, DE_UINT, DE_SIZE_16, 0x0100); // Verision 1.0 144 } 145 de_pop_sequence(attribute, sppProfile); 146 } 147 de_pop_sequence(service, attribute); 148 149 // 0x0100 "Service Name" 150 de_add_number(service, DE_UINT, DE_SIZE_16, 0x0100); 151 if (name){ 152 de_add_data(service, DE_STRING, strlen(name), (uint8_t *) name); 153 } else { 154 switch (service_uuid){ 155 case SDP_PANU: 156 de_add_data(service, DE_STRING, strlen(default_panu_service_name), (uint8_t *) default_panu_service_name); 157 break; 158 case SDP_NAP: 159 de_add_data(service, DE_STRING, strlen(default_nap_service_name), (uint8_t *) default_nap_service_name); 160 break; 161 case SDP_GN: 162 de_add_data(service, DE_STRING, strlen(default_gn_service_name), (uint8_t *) default_gn_service_name); 163 break; 164 default: 165 break; 166 } 167 } 168 169 // 0x0101 "Service Description" 170 de_add_number(service, DE_UINT, DE_SIZE_16, 0x0101); 171 if (descriptor){ 172 de_add_data(service, DE_STRING, strlen(descriptor), (uint8_t *) descriptor); 173 } else { 174 switch (service_uuid){ 175 case SDP_PANU: 176 de_add_data(service, DE_STRING, strlen(default_panu_service_desc), (uint8_t *) default_panu_service_desc); 177 break; 178 case SDP_NAP: 179 de_add_data(service, DE_STRING, strlen(default_nap_service_desc), (uint8_t *) default_nap_service_desc); 180 break; 181 case SDP_GN: 182 de_add_data(service, DE_STRING, strlen(default_gn_service_desc), (uint8_t *) default_gn_service_desc); 183 break; 184 default: 185 break; 186 } 187 } 188 189 // 0x030A "Security Description" 190 de_add_number(service, DE_UINT, DE_SIZE_16, 0x030A); 191 de_add_number(service, DE_UINT, DE_SIZE_16, security_desc); 192 193 if (service_uuid == SDP_PANU) return; 194 195 if (IPv4Subnet){ 196 // 0x030D "IPv4Subnet", optional 197 de_add_number(service, DE_UINT, DE_SIZE_16, 0x030D); 198 de_add_data(service, DE_STRING, strlen(IPv4Subnet), (uint8_t *) IPv4Subnet); 199 } 200 201 if (IPv6Subnet){ 202 // 0x030E "IPv6Subnet", optional 203 de_add_number(service, DE_UINT, DE_SIZE_16, 0x030E); 204 de_add_data(service, DE_STRING, strlen(IPv6Subnet), (uint8_t *) IPv6Subnet); 205 } 206 207 if (service_uuid == SDP_GN) return; 208 209 // 0x030B "NetAccessType" 210 de_add_number(service, DE_UINT, DE_SIZE_16, 0x030B); 211 de_add_number(service, DE_UINT, DE_SIZE_16, net_access_type); 212 213 // 0x030C "MaxNetAccessRate" 214 de_add_number(service, DE_UINT, DE_SIZE_16, 0x030C); 215 de_add_number(service, DE_UINT, DE_SIZE_32, max_net_access_rate); 216 217 } 218 219 220 void pan_create_nap_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, 221 net_access_type_t net_access_type, uint32_t max_net_access_rate, const char *IPv4Subnet, const char *IPv6Subnet){ 222 223 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); 224 } 225 226 void pan_create_gn_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, 227 const char *IPv4Subnet, const char *IPv6Subnet){ 228 pan_create_service(service, service_record_handle, SDP_GN, network_packet_types, name, description, security_desc, PAN_NET_ACCESS_TYPE_NONE, 0, IPv4Subnet, IPv6Subnet); 229 } 230 231 void pan_create_panu_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){ 232 pan_create_service(service, service_record_handle, SDP_PANU, network_packet_types, name, description, security_desc, PAN_NET_ACCESS_TYPE_NONE, 0, NULL, NULL); 233 } 234