nxpandroid | c761165 | 2015-09-23 16:42:05 +0530 | [diff] [blame] | 1 | /****************************************************************************** |
| 2 | * |
| 3 | * Copyright (C) 2010-2014 Broadcom Corporation |
| 4 | * |
| 5 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | * you may not use this file except in compliance with the License. |
| 7 | * You may obtain a copy of the License at: |
| 8 | * |
| 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | * |
| 11 | * Unless required by applicable law or agreed to in writing, software |
| 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | * See the License for the specific language governing permissions and |
| 15 | * limitations under the License. |
| 16 | * |
| 17 | ******************************************************************************/ |
| 18 | |
nxpandroid | c761165 | 2015-09-23 16:42:05 +0530 | [diff] [blame] | 19 | /****************************************************************************** |
| 20 | * |
| 21 | * Handle ndef messages |
| 22 | * |
| 23 | ******************************************************************************/ |
| 24 | #include <string.h> |
nxf24591 | c1cbeab | 2018-02-21 17:32:26 +0530 | [diff] [blame] | 25 | |
| 26 | #include <android-base/stringprintf.h> |
| 27 | #include <base/logging.h> |
| 28 | |
| 29 | #include "ndef_utils.h" |
nxpandroid | c761165 | 2015-09-23 16:42:05 +0530 | [diff] [blame] | 30 | #include "nfa_api.h" |
| 31 | #include "nfa_dm_int.h" |
nxf24591 | c1cbeab | 2018-02-21 17:32:26 +0530 | [diff] [blame] | 32 | |
| 33 | using android::base::StringPrintf; |
| 34 | |
| 35 | extern bool nfc_debug_enabled; |
nxpandroid | c761165 | 2015-09-23 16:42:05 +0530 | [diff] [blame] | 36 | |
| 37 | /******************************************************************************* |
| 38 | * URI Well-known-type prefixes |
| 39 | *******************************************************************************/ |
nxpandroid | 8f6d053 | 2017-07-12 18:25:30 +0530 | [diff] [blame] | 40 | const uint8_t* nfa_dm_ndef_wkt_uri_str_tbl[] = { |
nxf24591 | c1cbeab | 2018-02-21 17:32:26 +0530 | [diff] [blame] | 41 | NULL, /* 0x00 */ |
| 42 | (const uint8_t*)"http://www.", /* 0x01 */ |
| 43 | (const uint8_t*)"https://www.", /* 0x02 */ |
| 44 | (const uint8_t*)"http://", /* 0x03 */ |
| 45 | (const uint8_t*)"https://", /* 0x04 */ |
| 46 | (const uint8_t*)"tel:", /* 0x05 */ |
| 47 | (const uint8_t*)"mailto:", /* 0x06 */ |
| 48 | (const uint8_t*)"ftp://anonymous:anonymous@", /* 0x07 */ |
| 49 | (const uint8_t*)"ftp://ftp.", /* 0x08 */ |
| 50 | (const uint8_t*)"ftps://", /* 0x09 */ |
| 51 | (const uint8_t*)"sftp://", /* 0x0A */ |
| 52 | (const uint8_t*)"smb://", /* 0x0B */ |
| 53 | (const uint8_t*)"nfs://", /* 0x0C */ |
| 54 | (const uint8_t*)"ftp://", /* 0x0D */ |
| 55 | (const uint8_t*)"dav://", /* 0x0E */ |
| 56 | (const uint8_t*)"news:", /* 0x0F */ |
| 57 | (const uint8_t*)"telnet://", /* 0x10 */ |
| 58 | (const uint8_t*)"imap:", /* 0x11 */ |
| 59 | (const uint8_t*)"rtsp://", /* 0x12 */ |
| 60 | (const uint8_t*)"urn:", /* 0x13 */ |
| 61 | (const uint8_t*)"pop:", /* 0x14 */ |
| 62 | (const uint8_t*)"sip:", /* 0x15 */ |
| 63 | (const uint8_t*)"sips:", /* 0x16 */ |
| 64 | (const uint8_t*)"tftp:", /* 0x17 */ |
| 65 | (const uint8_t*)"btspp://", /* 0x18 */ |
| 66 | (const uint8_t*)"btl2cap://", /* 0x19 */ |
| 67 | (const uint8_t*)"btgoep://", /* 0x1A */ |
| 68 | (const uint8_t*)"tcpobex://", /* 0x1B */ |
| 69 | (const uint8_t*)"irdaobex://", /* 0x1C */ |
| 70 | (const uint8_t*)"file://", /* 0x1D */ |
| 71 | (const uint8_t*)"urn:epc:id:", /* 0x1E */ |
| 72 | (const uint8_t*)"urn:epc:tag:", /* 0x1F */ |
| 73 | (const uint8_t*)"urn:epc:pat:", /* 0x20 */ |
| 74 | (const uint8_t*)"urn:epc:raw:", /* 0x21 */ |
| 75 | (const uint8_t*)"urn:epc:", /* 0x22 */ |
| 76 | (const uint8_t*)"urn:nfc:" /* 0x23 */ |
nxpandroid | c761165 | 2015-09-23 16:42:05 +0530 | [diff] [blame] | 77 | }; |
nxpandroid | 8f6d053 | 2017-07-12 18:25:30 +0530 | [diff] [blame] | 78 | #define NFA_DM_NDEF_WKT_URI_STR_TBL_SIZE \ |
| 79 | (sizeof(nfa_dm_ndef_wkt_uri_str_tbl) / sizeof(uint8_t*)) |
nxpandroid | c761165 | 2015-09-23 16:42:05 +0530 | [diff] [blame] | 80 | |
| 81 | /******************************************************************************* |
| 82 | ** |
| 83 | ** Function nfa_dm_ndef_dereg_hdlr_by_handle |
| 84 | ** |
| 85 | ** Description Deregister NDEF record type handler |
| 86 | ** |
nxf24591 | c1cbeab | 2018-02-21 17:32:26 +0530 | [diff] [blame] | 87 | ** Returns TRUE (message buffer to be freed by caller) |
nxpandroid | c761165 | 2015-09-23 16:42:05 +0530 | [diff] [blame] | 88 | ** |
| 89 | *******************************************************************************/ |
nxpandroid | 8f6d053 | 2017-07-12 18:25:30 +0530 | [diff] [blame] | 90 | void nfa_dm_ndef_dereg_hdlr_by_handle(tNFA_HANDLE ndef_type_handle) { |
| 91 | tNFA_DM_CB* p_cb = &nfa_dm_cb; |
| 92 | uint16_t hdlr_idx; |
| 93 | hdlr_idx = (uint16_t)(ndef_type_handle & NFA_HANDLE_MASK); |
nxpandroid | c761165 | 2015-09-23 16:42:05 +0530 | [diff] [blame] | 94 | |
nxpandroid | 8f6d053 | 2017-07-12 18:25:30 +0530 | [diff] [blame] | 95 | if (p_cb->p_ndef_handler[hdlr_idx]) { |
| 96 | GKI_freebuf(p_cb->p_ndef_handler[hdlr_idx]); |
| 97 | p_cb->p_ndef_handler[hdlr_idx] = NULL; |
| 98 | } |
nxpandroid | c761165 | 2015-09-23 16:42:05 +0530 | [diff] [blame] | 99 | } |
| 100 | |
| 101 | /******************************************************************************* |
| 102 | ** |
| 103 | ** Function nfa_dm_ndef_dereg_all |
| 104 | ** |
| 105 | ** Description Deregister all NDEF record type handlers (called during |
| 106 | ** shutdown(. |
| 107 | ** |
| 108 | ** Returns Nothing |
| 109 | ** |
| 110 | *******************************************************************************/ |
nxpandroid | 8f6d053 | 2017-07-12 18:25:30 +0530 | [diff] [blame] | 111 | void nfa_dm_ndef_dereg_all(void) { |
| 112 | tNFA_DM_CB* p_cb = &nfa_dm_cb; |
| 113 | uint32_t i; |
nxpandroid | c761165 | 2015-09-23 16:42:05 +0530 | [diff] [blame] | 114 | |
nxpandroid | 8f6d053 | 2017-07-12 18:25:30 +0530 | [diff] [blame] | 115 | for (i = 0; i < NFA_NDEF_MAX_HANDLERS; i++) { |
| 116 | /* If this is a free slot, then remember it */ |
| 117 | if (p_cb->p_ndef_handler[i] != NULL) { |
| 118 | GKI_freebuf(p_cb->p_ndef_handler[i]); |
| 119 | p_cb->p_ndef_handler[i] = NULL; |
nxpandroid | c761165 | 2015-09-23 16:42:05 +0530 | [diff] [blame] | 120 | } |
nxpandroid | 8f6d053 | 2017-07-12 18:25:30 +0530 | [diff] [blame] | 121 | } |
nxpandroid | c761165 | 2015-09-23 16:42:05 +0530 | [diff] [blame] | 122 | } |
| 123 | |
nxpandroid | c761165 | 2015-09-23 16:42:05 +0530 | [diff] [blame] | 124 | /******************************************************************************* |
| 125 | ** |
| 126 | ** Function nfa_dm_ndef_reg_hdlr |
| 127 | ** |
| 128 | ** Description Register NDEF record type handler |
| 129 | ** |
nxf24591 | c1cbeab | 2018-02-21 17:32:26 +0530 | [diff] [blame] | 130 | ** Returns TRUE if message buffer is to be freed by caller |
nxpandroid | c761165 | 2015-09-23 16:42:05 +0530 | [diff] [blame] | 131 | ** |
| 132 | *******************************************************************************/ |
nxpandroid | 8f6d053 | 2017-07-12 18:25:30 +0530 | [diff] [blame] | 133 | bool nfa_dm_ndef_reg_hdlr(tNFA_DM_MSG* p_data) { |
| 134 | tNFA_DM_CB* p_cb = &nfa_dm_cb; |
| 135 | uint32_t hdlr_idx, i; |
| 136 | tNFA_DM_API_REG_NDEF_HDLR* p_reg_info = (tNFA_DM_API_REG_NDEF_HDLR*)p_data; |
| 137 | tNFA_NDEF_REGISTER ndef_register; |
nxpandroid | c761165 | 2015-09-23 16:42:05 +0530 | [diff] [blame] | 138 | |
nxpandroid | 8f6d053 | 2017-07-12 18:25:30 +0530 | [diff] [blame] | 139 | /* If registering default handler, check to see if one is already registered |
| 140 | */ |
| 141 | if (p_reg_info->tnf == NFA_TNF_DEFAULT) { |
| 142 | /* check if default handler is already registered */ |
| 143 | if (p_cb->p_ndef_handler[NFA_NDEF_DEFAULT_HANDLER_IDX]) { |
nxf24591 | c1cbeab | 2018-02-21 17:32:26 +0530 | [diff] [blame] | 144 | LOG(WARNING) << StringPrintf("Default NDEF handler being changed."); |
nxpandroid | c761165 | 2015-09-23 16:42:05 +0530 | [diff] [blame] | 145 | |
nxpandroid | 8f6d053 | 2017-07-12 18:25:30 +0530 | [diff] [blame] | 146 | /* Free old registration info */ |
| 147 | nfa_dm_ndef_dereg_hdlr_by_handle( |
| 148 | (tNFA_HANDLE)NFA_NDEF_DEFAULT_HANDLER_IDX); |
nxpandroid | c761165 | 2015-09-23 16:42:05 +0530 | [diff] [blame] | 149 | } |
nxf24591 | c1cbeab | 2018-02-21 17:32:26 +0530 | [diff] [blame] | 150 | DLOG_IF(INFO, nfc_debug_enabled) |
| 151 | << StringPrintf("Default NDEF handler successfully registered."); |
nxpandroid | 8f6d053 | 2017-07-12 18:25:30 +0530 | [diff] [blame] | 152 | hdlr_idx = NFA_NDEF_DEFAULT_HANDLER_IDX; |
| 153 | } |
| 154 | /* Get available entry in ndef_handler table, and check if requested type is |
| 155 | already registered */ |
| 156 | else { |
| 157 | hdlr_idx = NFA_HANDLE_INVALID; |
nxpandroid | c761165 | 2015-09-23 16:42:05 +0530 | [diff] [blame] | 158 | |
nxpandroid | 8f6d053 | 2017-07-12 18:25:30 +0530 | [diff] [blame] | 159 | /* Check if this type is already registered */ |
| 160 | for (i = (NFA_NDEF_DEFAULT_HANDLER_IDX + 1); i < NFA_NDEF_MAX_HANDLERS; |
| 161 | i++) { |
| 162 | /* If this is a free slot, then remember it */ |
| 163 | if (p_cb->p_ndef_handler[i] == NULL) { |
| 164 | hdlr_idx = i; |
| 165 | break; |
| 166 | } |
nxpandroid | c761165 | 2015-09-23 16:42:05 +0530 | [diff] [blame] | 167 | } |
nxpandroid | 8f6d053 | 2017-07-12 18:25:30 +0530 | [diff] [blame] | 168 | } |
nxpandroid | c761165 | 2015-09-23 16:42:05 +0530 | [diff] [blame] | 169 | |
nxpandroid | 8f6d053 | 2017-07-12 18:25:30 +0530 | [diff] [blame] | 170 | if (hdlr_idx != NFA_HANDLE_INVALID) { |
| 171 | /* Update the table */ |
| 172 | p_cb->p_ndef_handler[hdlr_idx] = p_reg_info; |
nxpandroid | c761165 | 2015-09-23 16:42:05 +0530 | [diff] [blame] | 173 | |
nxpandroid | 8f6d053 | 2017-07-12 18:25:30 +0530 | [diff] [blame] | 174 | p_reg_info->ndef_type_handle = |
| 175 | (tNFA_HANDLE)(NFA_HANDLE_GROUP_NDEF_HANDLER | hdlr_idx); |
nxpandroid | c761165 | 2015-09-23 16:42:05 +0530 | [diff] [blame] | 176 | |
nxpandroid | 8f6d053 | 2017-07-12 18:25:30 +0530 | [diff] [blame] | 177 | ndef_register.ndef_type_handle = p_reg_info->ndef_type_handle; |
| 178 | ndef_register.status = NFA_STATUS_OK; |
nxpandroid | c761165 | 2015-09-23 16:42:05 +0530 | [diff] [blame] | 179 | |
nxf24591 | c1cbeab | 2018-02-21 17:32:26 +0530 | [diff] [blame] | 180 | DLOG_IF(INFO, nfc_debug_enabled) |
| 181 | << StringPrintf("NDEF handler successfully registered. Handle=0x%08x", |
| 182 | p_reg_info->ndef_type_handle); |
| 183 | tNFA_NDEF_EVT_DATA nfa_ndef_evt_data; |
| 184 | nfa_ndef_evt_data.ndef_reg = ndef_register; |
| 185 | (*(p_reg_info->p_ndef_cback))(NFA_NDEF_REGISTER_EVT, &nfa_ndef_evt_data); |
nxpandroid | c761165 | 2015-09-23 16:42:05 +0530 | [diff] [blame] | 186 | |
nxpandroid | 8f6d053 | 2017-07-12 18:25:30 +0530 | [diff] [blame] | 187 | /* indicate that we will free message buffer when type_handler is |
| 188 | * deregistered */ |
| 189 | return false; |
| 190 | } else { |
| 191 | /* Error */ |
nxf24591 | c1cbeab | 2018-02-21 17:32:26 +0530 | [diff] [blame] | 192 | LOG(ERROR) << StringPrintf("NDEF handler failed to register."); |
nxpandroid | 8f6d053 | 2017-07-12 18:25:30 +0530 | [diff] [blame] | 193 | ndef_register.ndef_type_handle = NFA_HANDLE_INVALID; |
| 194 | ndef_register.status = NFA_STATUS_FAILED; |
nxf24591 | c1cbeab | 2018-02-21 17:32:26 +0530 | [diff] [blame] | 195 | tNFA_NDEF_EVT_DATA nfa_ndef_evt_data; |
| 196 | nfa_ndef_evt_data.ndef_reg = ndef_register; |
| 197 | (*(p_reg_info->p_ndef_cback))(NFA_NDEF_REGISTER_EVT, &nfa_ndef_evt_data); |
nxpandroid | c761165 | 2015-09-23 16:42:05 +0530 | [diff] [blame] | 198 | |
nxpandroid | 8f6d053 | 2017-07-12 18:25:30 +0530 | [diff] [blame] | 199 | return true; |
| 200 | } |
nxpandroid | c761165 | 2015-09-23 16:42:05 +0530 | [diff] [blame] | 201 | } |
| 202 | |
| 203 | /******************************************************************************* |
| 204 | ** |
| 205 | ** Function nfa_dm_ndef_dereg_hdlr |
| 206 | ** |
| 207 | ** Description Deregister NDEF record type handler |
| 208 | ** |
nxf24591 | c1cbeab | 2018-02-21 17:32:26 +0530 | [diff] [blame] | 209 | ** Returns TRUE (message buffer to be freed by caller) |
nxpandroid | c761165 | 2015-09-23 16:42:05 +0530 | [diff] [blame] | 210 | ** |
| 211 | *******************************************************************************/ |
nxpandroid | 8f6d053 | 2017-07-12 18:25:30 +0530 | [diff] [blame] | 212 | bool nfa_dm_ndef_dereg_hdlr(tNFA_DM_MSG* p_data) { |
| 213 | tNFA_DM_API_DEREG_NDEF_HDLR* p_dereginfo = |
| 214 | (tNFA_DM_API_DEREG_NDEF_HDLR*)p_data; |
nxpandroid | c761165 | 2015-09-23 16:42:05 +0530 | [diff] [blame] | 215 | |
nxpandroid | 8f6d053 | 2017-07-12 18:25:30 +0530 | [diff] [blame] | 216 | /* Make sure this is a NDEF_HDLR handle */ |
| 217 | if (((p_dereginfo->ndef_type_handle & NFA_HANDLE_GROUP_MASK) != |
| 218 | NFA_HANDLE_GROUP_NDEF_HANDLER) || |
| 219 | ((p_dereginfo->ndef_type_handle & NFA_HANDLE_MASK) >= |
| 220 | NFA_NDEF_MAX_HANDLERS)) { |
nxf24591 | c1cbeab | 2018-02-21 17:32:26 +0530 | [diff] [blame] | 221 | LOG(ERROR) << StringPrintf("Invalid handle for NDEF type handler: 0x%08x", |
| 222 | p_dereginfo->ndef_type_handle); |
nxpandroid | 8f6d053 | 2017-07-12 18:25:30 +0530 | [diff] [blame] | 223 | } else { |
| 224 | nfa_dm_ndef_dereg_hdlr_by_handle(p_dereginfo->ndef_type_handle); |
| 225 | } |
nxpandroid | c761165 | 2015-09-23 16:42:05 +0530 | [diff] [blame] | 226 | |
nxpandroid | 8f6d053 | 2017-07-12 18:25:30 +0530 | [diff] [blame] | 227 | return true; |
nxpandroid | c761165 | 2015-09-23 16:42:05 +0530 | [diff] [blame] | 228 | } |
| 229 | |
| 230 | /******************************************************************************* |
| 231 | ** |
| 232 | ** Function nfa_dm_ndef_find_next_handler |
| 233 | ** |
| 234 | ** Description Find next ndef handler for a given record type |
| 235 | ** |
| 236 | ** Returns void |
| 237 | ** |
| 238 | *******************************************************************************/ |
nxpandroid | 8f6d053 | 2017-07-12 18:25:30 +0530 | [diff] [blame] | 239 | tNFA_DM_API_REG_NDEF_HDLR* nfa_dm_ndef_find_next_handler( |
| 240 | tNFA_DM_API_REG_NDEF_HDLR* p_init_handler, uint8_t tnf, |
| 241 | uint8_t* p_type_name, uint8_t type_name_len, uint8_t* p_payload, |
| 242 | uint32_t payload_len) { |
| 243 | tNFA_DM_CB* p_cb = &nfa_dm_cb; |
| 244 | uint8_t i; |
nxpandroid | c761165 | 2015-09-23 16:42:05 +0530 | [diff] [blame] | 245 | |
nxpandroid | 8f6d053 | 2017-07-12 18:25:30 +0530 | [diff] [blame] | 246 | /* if init_handler is NULL, then start with the first non-default handler */ |
| 247 | if (!p_init_handler) |
| 248 | i = NFA_NDEF_DEFAULT_HANDLER_IDX + 1; |
| 249 | else { |
| 250 | /* Point to handler index after p_init_handler */ |
| 251 | i = (p_init_handler->ndef_type_handle & NFA_HANDLE_MASK) + 1; |
| 252 | } |
nxpandroid | c761165 | 2015-09-23 16:42:05 +0530 | [diff] [blame] | 253 | |
nxpandroid | 8f6d053 | 2017-07-12 18:25:30 +0530 | [diff] [blame] | 254 | /* Look for next handler */ |
| 255 | for (; i < NFA_NDEF_MAX_HANDLERS; i++) { |
| 256 | /* Check if TNF matches */ |
nxf24591 | c1cbeab | 2018-02-21 17:32:26 +0530 | [diff] [blame] | 257 | if ((p_cb->p_ndef_handler[i]) && (p_cb->p_ndef_handler[i]->tnf == tnf)) { |
nxpandroid | 8f6d053 | 2017-07-12 18:25:30 +0530 | [diff] [blame] | 258 | /* TNF matches. */ |
| 259 | /* If handler is for a specific URI type, check if type is WKT URI, */ |
| 260 | /* and that the URI prefix abrieviation for this handler matches */ |
| 261 | if (p_cb->p_ndef_handler[i]->flags & NFA_NDEF_FLAGS_WKT_URI) { |
| 262 | /* This is a handler for a specific URI type */ |
| 263 | /* Check if this recurd is WKT URI */ |
| 264 | if ((p_payload) && (type_name_len == 1) && (*p_type_name == 'U')) { |
| 265 | /* Check if URI prefix abrieviation matches */ |
| 266 | if ((payload_len > 1) && |
| 267 | (p_payload[0] == p_cb->p_ndef_handler[i]->uri_id)) { |
| 268 | /* URI prefix abrieviation matches */ |
| 269 | /* If handler does not specify an absolute URI, then match found. */ |
| 270 | /* If absolute URI, then compare URI for match (skip over uri_id in |
| 271 | * ndef payload) */ |
| 272 | if ((p_cb->p_ndef_handler[i]->uri_id != NFA_NDEF_URI_ID_ABSOLUTE) || |
| 273 | (memcmp(&p_payload[1], p_cb->p_ndef_handler[i]->name, |
| 274 | p_cb->p_ndef_handler[i]->name_len) == 0)) { |
| 275 | /* Handler found. */ |
| 276 | break; |
nxpandroid | c761165 | 2015-09-23 16:42:05 +0530 | [diff] [blame] | 277 | } |
nxpandroid | 8f6d053 | 2017-07-12 18:25:30 +0530 | [diff] [blame] | 278 | } |
| 279 | /* Check if handler is absolute URI but NDEF is using prefix |
| 280 | abrieviation */ |
| 281 | else if ((p_cb->p_ndef_handler[i]->uri_id == |
| 282 | NFA_NDEF_URI_ID_ABSOLUTE) && |
| 283 | (p_payload[0] != NFA_NDEF_URI_ID_ABSOLUTE)) { |
| 284 | /* Handler is absolute URI but NDEF is using prefix abrieviation. |
| 285 | * Compare URI prefix */ |
| 286 | if ((p_payload[0] < NFA_DM_NDEF_WKT_URI_STR_TBL_SIZE) && |
| 287 | (memcmp(p_cb->p_ndef_handler[i]->name, |
| 288 | (char*)nfa_dm_ndef_wkt_uri_str_tbl[p_payload[0]], |
| 289 | p_cb->p_ndef_handler[i]->name_len) == 0)) { |
| 290 | /* Handler found. */ |
| 291 | break; |
nxpandroid | c761165 | 2015-09-23 16:42:05 +0530 | [diff] [blame] | 292 | } |
nxpandroid | 8f6d053 | 2017-07-12 18:25:30 +0530 | [diff] [blame] | 293 | } |
| 294 | /* Check if handler is using prefix abrieviation, but NDEF is using |
| 295 | absolute URI */ |
| 296 | else if ((p_cb->p_ndef_handler[i]->uri_id != |
| 297 | NFA_NDEF_URI_ID_ABSOLUTE) && |
| 298 | (p_payload[0] == NFA_NDEF_URI_ID_ABSOLUTE)) { |
| 299 | /* Handler is using prefix abrieviation, but NDEF is using absolute |
| 300 | * URI. Compare URI prefix */ |
| 301 | if ((p_cb->p_ndef_handler[i]->uri_id < |
| 302 | NFA_DM_NDEF_WKT_URI_STR_TBL_SIZE) && |
| 303 | (memcmp(&p_payload[1], |
| 304 | nfa_dm_ndef_wkt_uri_str_tbl[p_cb->p_ndef_handler[i] |
| 305 | ->uri_id], |
| 306 | strlen((const char*)nfa_dm_ndef_wkt_uri_str_tbl |
| 307 | [p_cb->p_ndef_handler[i]->uri_id])) == 0)) { |
| 308 | /* Handler found. */ |
| 309 | break; |
| 310 | } |
| 311 | } |
nxpandroid | c761165 | 2015-09-23 16:42:05 +0530 | [diff] [blame] | 312 | } |
nxpandroid | 8f6d053 | 2017-07-12 18:25:30 +0530 | [diff] [blame] | 313 | } |
| 314 | /* Not looking for specific URI. Check if type_name for this handler |
| 315 | matches the NDEF record's type_name */ |
| 316 | else if (p_cb->p_ndef_handler[i]->name_len == type_name_len) { |
| 317 | if ((type_name_len == 0) || (memcmp(p_cb->p_ndef_handler[i]->name, |
| 318 | p_type_name, type_name_len) == 0)) { |
| 319 | /* Handler found */ |
| 320 | break; |
| 321 | } |
| 322 | } |
nxpandroid | c761165 | 2015-09-23 16:42:05 +0530 | [diff] [blame] | 323 | } |
nxpandroid | 8f6d053 | 2017-07-12 18:25:30 +0530 | [diff] [blame] | 324 | } |
nxpandroid | c761165 | 2015-09-23 16:42:05 +0530 | [diff] [blame] | 325 | |
nxpandroid | 8f6d053 | 2017-07-12 18:25:30 +0530 | [diff] [blame] | 326 | if (i < NFA_NDEF_MAX_HANDLERS) |
| 327 | return (p_cb->p_ndef_handler[i]); |
| 328 | else |
| 329 | return (NULL); |
nxpandroid | c761165 | 2015-09-23 16:42:05 +0530 | [diff] [blame] | 330 | } |
| 331 | |
| 332 | /******************************************************************************* |
| 333 | ** |
| 334 | ** Function nfa_dm_ndef_clear_notified_flag |
| 335 | ** |
| 336 | ** Description Clear 'whole_message_notified' flag for all the handlers |
| 337 | ** (flag used to indicate that this handler has already |
| 338 | ** handled the entire incoming NDEF message) |
| 339 | ** |
| 340 | ** Returns void |
| 341 | ** |
| 342 | *******************************************************************************/ |
nxpandroid | 8f6d053 | 2017-07-12 18:25:30 +0530 | [diff] [blame] | 343 | void nfa_dm_ndef_clear_notified_flag(void) { |
| 344 | tNFA_DM_CB* p_cb = &nfa_dm_cb; |
| 345 | uint8_t i; |
nxpandroid | c761165 | 2015-09-23 16:42:05 +0530 | [diff] [blame] | 346 | |
nxpandroid | 8f6d053 | 2017-07-12 18:25:30 +0530 | [diff] [blame] | 347 | for (i = 0; i < NFA_NDEF_MAX_HANDLERS; i++) { |
| 348 | if (p_cb->p_ndef_handler[i]) { |
| 349 | p_cb->p_ndef_handler[i]->flags &= ~NFA_NDEF_FLAGS_WHOLE_MESSAGE_NOTIFIED; |
nxpandroid | c761165 | 2015-09-23 16:42:05 +0530 | [diff] [blame] | 350 | } |
nxpandroid | 8f6d053 | 2017-07-12 18:25:30 +0530 | [diff] [blame] | 351 | } |
nxpandroid | c761165 | 2015-09-23 16:42:05 +0530 | [diff] [blame] | 352 | } |
| 353 | |
| 354 | /******************************************************************************* |
| 355 | ** |
| 356 | ** Function nfa_dm_ndef_handle_message |
| 357 | ** |
| 358 | ** Description Handle incoming ndef message |
| 359 | ** |
| 360 | ** Returns void |
| 361 | ** |
| 362 | *******************************************************************************/ |
nxpandroid | 8f6d053 | 2017-07-12 18:25:30 +0530 | [diff] [blame] | 363 | void nfa_dm_ndef_handle_message(tNFA_STATUS status, uint8_t* p_msg_buf, |
| 364 | uint32_t len) { |
| 365 | tNFA_DM_CB* p_cb = &nfa_dm_cb; |
| 366 | tNDEF_STATUS ndef_status; |
nxf24591 | c1cbeab | 2018-02-21 17:32:26 +0530 | [diff] [blame] | 367 | uint8_t *p_rec, *p_ndef_start, *p_type, *p_payload, *p_rec_end; |
nxpandroid | 8f6d053 | 2017-07-12 18:25:30 +0530 | [diff] [blame] | 368 | uint32_t payload_len; |
| 369 | uint8_t tnf, type_len, rec_hdr_flags, id_len; |
| 370 | tNFA_DM_API_REG_NDEF_HDLR* p_handler; |
| 371 | tNFA_NDEF_DATA ndef_data; |
| 372 | uint8_t rec_count = 0; |
| 373 | bool record_handled, entire_message_handled; |
nxpandroid | c761165 | 2015-09-23 16:42:05 +0530 | [diff] [blame] | 374 | |
nxf24591 | c1cbeab | 2018-02-21 17:32:26 +0530 | [diff] [blame] | 375 | DLOG_IF(INFO, nfc_debug_enabled) << StringPrintf( |
| 376 | "nfa_dm_ndef_handle_message status=%i, len=%i", status, len); |
nxpandroid | c761165 | 2015-09-23 16:42:05 +0530 | [diff] [blame] | 377 | |
nxpandroid | 8f6d053 | 2017-07-12 18:25:30 +0530 | [diff] [blame] | 378 | if (status != NFA_STATUS_OK) { |
| 379 | /* If problem reading NDEF message, then exit (no action required) */ |
| 380 | return; |
| 381 | } |
| 382 | |
| 383 | /* If in exclusive RF mode is activer, then route NDEF message callback |
| 384 | * registered with NFA_StartExclusiveRfControl */ |
| 385 | if ((p_cb->flags & NFA_DM_FLAGS_EXCL_RF_ACTIVE) && |
| 386 | (p_cb->p_excl_ndef_cback)) { |
| 387 | /* No ndef-handler handle, since this callback is not from |
| 388 | * RegisterNDefHandler */ |
| 389 | ndef_data.ndef_type_handle = 0; |
| 390 | ndef_data.p_data = p_msg_buf; |
| 391 | ndef_data.len = len; |
nxf24591 | c1cbeab | 2018-02-21 17:32:26 +0530 | [diff] [blame] | 392 | tNFA_NDEF_EVT_DATA nfa_ndef_evt_data; |
| 393 | nfa_ndef_evt_data.ndef_data = ndef_data; |
| 394 | (*p_cb->p_excl_ndef_cback)(NFA_NDEF_DATA_EVT, &nfa_ndef_evt_data); |
nxpandroid | 8f6d053 | 2017-07-12 18:25:30 +0530 | [diff] [blame] | 395 | return; |
| 396 | } |
| 397 | |
| 398 | /* Handle zero length - notify default handler */ |
| 399 | if (len == 0) { |
| 400 | p_handler = p_cb->p_ndef_handler[NFA_NDEF_DEFAULT_HANDLER_IDX]; |
| 401 | if (p_handler != NULL) { |
nxf24591 | c1cbeab | 2018-02-21 17:32:26 +0530 | [diff] [blame] | 402 | DLOG_IF(INFO, nfc_debug_enabled) << StringPrintf( |
nxpandroid | 8f6d053 | 2017-07-12 18:25:30 +0530 | [diff] [blame] | 403 | "Notifying default handler of zero-length NDEF message..."); |
| 404 | ndef_data.ndef_type_handle = p_handler->ndef_type_handle; |
| 405 | ndef_data.p_data = NULL; /* Start of record */ |
| 406 | ndef_data.len = 0; |
nxf24591 | c1cbeab | 2018-02-21 17:32:26 +0530 | [diff] [blame] | 407 | tNFA_NDEF_EVT_DATA nfa_ndef_evt_data; |
| 408 | nfa_ndef_evt_data.ndef_data = ndef_data; |
| 409 | (*p_handler->p_ndef_cback)(NFA_NDEF_DATA_EVT, &nfa_ndef_evt_data); |
nxpandroid | 8f6d053 | 2017-07-12 18:25:30 +0530 | [diff] [blame] | 410 | } |
| 411 | return; |
| 412 | } |
| 413 | |
| 414 | /* Validate the NDEF message */ |
| 415 | ndef_status = NDEF_MsgValidate(p_msg_buf, len, true); |
| 416 | if (ndef_status != NDEF_OK) { |
nxf24591 | c1cbeab | 2018-02-21 17:32:26 +0530 | [diff] [blame] | 417 | LOG(ERROR) << StringPrintf( |
| 418 | "Received invalid NDEF message. NDEF status=0x%x", ndef_status); |
nxpandroid | 8f6d053 | 2017-07-12 18:25:30 +0530 | [diff] [blame] | 419 | return; |
| 420 | } |
| 421 | |
| 422 | /* NDEF message received from backgound polling. Pass the NDEF message to the |
| 423 | * NDEF handlers */ |
| 424 | |
| 425 | /* New NDEF message. Clear 'notified' flag for all the handlers */ |
| 426 | nfa_dm_ndef_clear_notified_flag(); |
| 427 | |
| 428 | /* Indicate that no handler has handled this entire NDEF message (e.g. |
| 429 | * connection-handover handler *) */ |
| 430 | entire_message_handled = false; |
| 431 | |
| 432 | /* Get first record in message */ |
| 433 | p_rec = p_ndef_start = p_msg_buf; |
| 434 | |
| 435 | /* Check each record in the NDEF message */ |
| 436 | while (p_rec != NULL) { |
| 437 | /* Get record type */ |
| 438 | p_type = NDEF_RecGetType(p_rec, &tnf, &type_len); |
| 439 | |
| 440 | /* Indicate record not handled yet */ |
| 441 | record_handled = false; |
| 442 | |
| 443 | /* Get pointer to record payload */ |
| 444 | p_payload = NDEF_RecGetPayload(p_rec, &payload_len); |
| 445 | |
| 446 | /* Find first handler for this type */ |
| 447 | p_handler = nfa_dm_ndef_find_next_handler(NULL, tnf, p_type, type_len, |
| 448 | p_payload, payload_len); |
| 449 | if (p_handler == NULL) { |
| 450 | /* Not a registered NDEF type. Use default handler */ |
| 451 | p_handler = p_cb->p_ndef_handler[NFA_NDEF_DEFAULT_HANDLER_IDX]; |
| 452 | if (p_handler != NULL) { |
nxf24591 | c1cbeab | 2018-02-21 17:32:26 +0530 | [diff] [blame] | 453 | DLOG_IF(INFO, nfc_debug_enabled) |
| 454 | << StringPrintf("No handler found. Using default handler..."); |
nxpandroid | 8f6d053 | 2017-07-12 18:25:30 +0530 | [diff] [blame] | 455 | } |
nxpandroid | c761165 | 2015-09-23 16:42:05 +0530 | [diff] [blame] | 456 | } |
| 457 | |
nxpandroid | 8f6d053 | 2017-07-12 18:25:30 +0530 | [diff] [blame] | 458 | while (p_handler) { |
| 459 | /* If handler is for whole NDEF message, and it has already been notified, |
| 460 | * then skip notification */ |
| 461 | if (p_handler->flags & NFA_NDEF_FLAGS_WHOLE_MESSAGE_NOTIFIED) { |
| 462 | /* Look for next handler */ |
| 463 | p_handler = nfa_dm_ndef_find_next_handler( |
| 464 | p_handler, tnf, p_type, type_len, p_payload, payload_len); |
| 465 | continue; |
| 466 | } |
| 467 | |
| 468 | /* Get pointer to record payload */ |
nxf24591 | c1cbeab | 2018-02-21 17:32:26 +0530 | [diff] [blame] | 469 | DLOG_IF(INFO, nfc_debug_enabled) << StringPrintf( |
| 470 | "Calling ndef type handler (%x)", p_handler->ndef_type_handle); |
nxpandroid | 8f6d053 | 2017-07-12 18:25:30 +0530 | [diff] [blame] | 471 | |
| 472 | ndef_data.ndef_type_handle = p_handler->ndef_type_handle; |
| 473 | ndef_data.p_data = p_rec; /* Start of record */ |
| 474 | |
| 475 | /* Calculate length of NDEF record */ |
| 476 | if (p_payload != NULL) |
| 477 | ndef_data.len = payload_len + (uint32_t)(p_payload - p_rec); |
| 478 | else { |
| 479 | /* If no payload, calculate length of ndef record header */ |
| 480 | p_rec_end = p_rec; |
| 481 | |
| 482 | /* First byte is the header flags */ |
| 483 | rec_hdr_flags = *p_rec_end++; |
| 484 | |
| 485 | /* Next byte is the type field length */ |
| 486 | type_len = *p_rec_end++; |
| 487 | |
| 488 | /* Next is the payload length (1 or 4 bytes) */ |
| 489 | if (rec_hdr_flags & NDEF_SR_MASK) { |
| 490 | p_rec_end++; |
| 491 | } else { |
| 492 | p_rec_end += 4; |
| 493 | } |
| 494 | |
| 495 | /* ID field Length */ |
| 496 | if (rec_hdr_flags & NDEF_IL_MASK) |
| 497 | id_len = *p_rec_end++; |
| 498 | else |
| 499 | id_len = 0; |
| 500 | p_rec_end += id_len; |
| 501 | |
| 502 | ndef_data.len = (uint32_t)(p_rec_end - p_rec); |
| 503 | } |
| 504 | |
| 505 | /* If handler wants entire ndef message, then pass pointer to start of |
| 506 | * message and */ |
| 507 | /* set 'notified' flag so handler won't get notified on subsequent records |
| 508 | * for this */ |
| 509 | /* NDEF message. */ |
| 510 | if (p_handler->flags & NFA_NDEF_FLAGS_HANDLE_WHOLE_MESSAGE) { |
| 511 | ndef_data.p_data = p_ndef_start; /* Start of NDEF message */ |
nxpandroid | c761165 | 2015-09-23 16:42:05 +0530 | [diff] [blame] | 512 | ndef_data.len = len; |
nxpandroid | 8f6d053 | 2017-07-12 18:25:30 +0530 | [diff] [blame] | 513 | p_handler->flags |= NFA_NDEF_FLAGS_WHOLE_MESSAGE_NOTIFIED; |
| 514 | |
| 515 | /* Indicate that at least one handler has received entire NDEF message |
| 516 | */ |
| 517 | entire_message_handled = true; |
| 518 | } |
| 519 | |
| 520 | /* Notify NDEF type handler */ |
nxf24591 | c1cbeab | 2018-02-21 17:32:26 +0530 | [diff] [blame] | 521 | tNFA_NDEF_EVT_DATA nfa_ndef_evt_data; |
| 522 | nfa_ndef_evt_data.ndef_data = ndef_data; |
| 523 | (*p_handler->p_ndef_cback)(NFA_NDEF_DATA_EVT, &nfa_ndef_evt_data); |
nxpandroid | 8f6d053 | 2017-07-12 18:25:30 +0530 | [diff] [blame] | 524 | |
| 525 | /* Indicate that at lease one handler has received this record */ |
| 526 | record_handled = true; |
| 527 | |
| 528 | /* Look for next handler */ |
| 529 | p_handler = nfa_dm_ndef_find_next_handler( |
| 530 | p_handler, tnf, p_type, type_len, p_payload, payload_len); |
nxpandroid | c761165 | 2015-09-23 16:42:05 +0530 | [diff] [blame] | 531 | } |
| 532 | |
nxpandroid | 8f6d053 | 2017-07-12 18:25:30 +0530 | [diff] [blame] | 533 | /* Check if at least one handler was notified of this record (only happens |
| 534 | * if no default handler was register) */ |
| 535 | if ((!record_handled) && (!entire_message_handled)) { |
| 536 | /* Unregistered NDEF record type; no default handler */ |
nxf24591 | c1cbeab | 2018-02-21 17:32:26 +0530 | [diff] [blame] | 537 | LOG(WARNING) << StringPrintf("Unhandled NDEF record (#%i)", rec_count); |
nxpandroid | c761165 | 2015-09-23 16:42:05 +0530 | [diff] [blame] | 538 | } |
| 539 | |
nxpandroid | 8f6d053 | 2017-07-12 18:25:30 +0530 | [diff] [blame] | 540 | rec_count++; |
| 541 | p_rec = NDEF_MsgGetNextRec(p_rec); |
| 542 | } |
nxpandroid | c761165 | 2015-09-23 16:42:05 +0530 | [diff] [blame] | 543 | } |