| /* |
| * Copyright (C) 2013 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /* |
| * Manage the listen-mode routing table. |
| */ |
| |
| #include <cutils/log.h> |
| #include <ScopedLocalRef.h> |
| #include <JNIHelp.h> |
| #include "config.h" |
| #include "JavaClassConstants.h" |
| #include "RoutingManager.h" |
| |
| extern "C" |
| { |
| #include "nfa_ee_api.h" |
| #include "nfa_ce_api.h" |
| } |
| extern bool gActivated; |
| extern SyncEvent gDeactivatedEvent; |
| |
| |
| const JNINativeMethod RoutingManager::sMethods [] = |
| { |
| {"doGetDefaultRouteDestination", "()I", (void*) RoutingManager::com_android_nfc_cardemulation_doGetDefaultRouteDestination}, |
| {"doGetDefaultOffHostRouteDestination", "()I", (void*) RoutingManager::com_android_nfc_cardemulation_doGetDefaultOffHostRouteDestination}, |
| {"doGetAidMatchingMode", "()I", (void*) RoutingManager::com_android_nfc_cardemulation_doGetAidMatchingMode} |
| }; |
| |
| static const int MAX_NUM_EE = 5; |
| |
| RoutingManager::RoutingManager () |
| { |
| static const char fn [] = "RoutingManager::RoutingManager()"; |
| unsigned long num = 0; |
| |
| // Get the active SE |
| if (GetNumValue("ACTIVE_SE", &num, sizeof(num))) |
| mActiveSe = num; |
| else |
| mActiveSe = 0x00; |
| |
| // Get the "default" route |
| if (GetNumValue("DEFAULT_ISODEP_ROUTE", &num, sizeof(num))) |
| mDefaultEe = num; |
| else |
| mDefaultEe = 0x00; |
| ALOGD("%s: default route is 0x%02X", fn, mDefaultEe); |
| |
| // Get the default "off-host" route. This is hard-coded at the Java layer |
| // but we can override it here to avoid forcing Java changes. |
| if (GetNumValue("DEFAULT_OFFHOST_ROUTE", &num, sizeof(num))) |
| mOffHostEe = num; |
| else |
| mOffHostEe = 0xf4; |
| |
| if (GetNumValue("AID_MATCHING_MODE", &num, sizeof(num))) |
| mAidMatchingMode = num; |
| else |
| mAidMatchingMode = AID_MATCHING_EXACT_ONLY; |
| |
| ALOGD("%s: mOffHostEe=0x%02X", fn, mOffHostEe); |
| |
| memset (&mEeInfo, 0, sizeof(mEeInfo)); |
| mReceivedEeInfo = false; |
| mSeTechMask = 0x00; |
| } |
| |
| RoutingManager::~RoutingManager () |
| { |
| NFA_EeDeregister (nfaEeCallback); |
| } |
| |
| bool RoutingManager::initialize (nfc_jni_native_data* native) |
| { |
| static const char fn [] = "RoutingManager::initialize()"; |
| mNativeData = native; |
| |
| tNFA_STATUS nfaStat; |
| { |
| SyncEventGuard guard (mEeRegisterEvent); |
| ALOGD ("%s: try ee register", fn); |
| nfaStat = NFA_EeRegister (nfaEeCallback); |
| if (nfaStat != NFA_STATUS_OK) |
| { |
| ALOGE ("%s: fail ee register; error=0x%X", fn, nfaStat); |
| return false; |
| } |
| mEeRegisterEvent.wait (); |
| } |
| |
| mRxDataBuffer.clear (); |
| |
| if (mActiveSe != 0) { |
| { |
| // Wait for EE info if needed |
| SyncEventGuard guard (mEeInfoEvent); |
| if (!mReceivedEeInfo) |
| { |
| ALOGE("Waiting for EE info"); |
| mEeInfoEvent.wait(); |
| } |
| } |
| for (UINT8 i = 0; i < mEeInfo.num_ee; i++) |
| { |
| ALOGD ("%s EE[%u] Handle: 0x%04x techA: 0x%02x techB: 0x%02x techF: 0x%02x techBprime: 0x%02x", |
| fn, i, mEeInfo.ee_disc_info[i].ee_handle, |
| mEeInfo.ee_disc_info[i].la_protocol, |
| mEeInfo.ee_disc_info[i].lb_protocol, |
| mEeInfo.ee_disc_info[i].lf_protocol, |
| mEeInfo.ee_disc_info[i].lbp_protocol); |
| if (mEeInfo.ee_disc_info[i].ee_handle == (mActiveSe | NFA_HANDLE_GROUP_EE)) |
| { |
| if (mEeInfo.ee_disc_info[i].la_protocol != 0) mSeTechMask |= NFA_TECHNOLOGY_MASK_A; |
| |
| if (mSeTechMask != 0x00) |
| { |
| ALOGD("Configuring tech mask 0x%02x on EE 0x%04x", mSeTechMask, mEeInfo.ee_disc_info[i].ee_handle); |
| nfaStat = NFA_CeConfigureUiccListenTech(mEeInfo.ee_disc_info[i].ee_handle, mSeTechMask); |
| if (nfaStat != NFA_STATUS_OK) |
| ALOGE ("Failed to configure UICC listen technologies."); |
| // Set technology routes to UICC if it's there |
| nfaStat = NFA_EeSetDefaultTechRouting(mEeInfo.ee_disc_info[i].ee_handle, mSeTechMask, mSeTechMask, |
| mSeTechMask); |
| if (nfaStat != NFA_STATUS_OK) |
| ALOGE ("Failed to configure UICC technology routing."); |
| } |
| } |
| } |
| } |
| |
| // Tell the host-routing to only listen on Nfc-A |
| nfaStat = NFA_CeSetIsoDepListenTech(NFA_TECHNOLOGY_MASK_A); |
| if (nfaStat != NFA_STATUS_OK) |
| ALOGE ("Failed to configure CE IsoDep technologies"); |
| |
| // Register a wild-card for AIDs routed to the host |
| nfaStat = NFA_CeRegisterAidOnDH (NULL, 0, stackCallback); |
| if (nfaStat != NFA_STATUS_OK) |
| ALOGE("Failed to register wildcard AID for DH"); |
| |
| return true; |
| } |
| |
| RoutingManager& RoutingManager::getInstance () |
| { |
| static RoutingManager manager; |
| return manager; |
| } |
| |
| void RoutingManager::enableRoutingToHost() |
| { |
| tNFA_STATUS nfaStat; |
| |
| { |
| SyncEventGuard guard (mRoutingEvent); |
| |
| // Route Nfc-A to host if we don't have a SE |
| if (mSeTechMask == 0) |
| { |
| nfaStat = NFA_EeSetDefaultTechRouting (mDefaultEe, NFA_TECHNOLOGY_MASK_A, 0, 0); |
| if (nfaStat == NFA_STATUS_OK) |
| mRoutingEvent.wait (); |
| else |
| ALOGE ("Fail to set default tech routing"); |
| } |
| |
| // Default routing for IsoDep protocol |
| nfaStat = NFA_EeSetDefaultProtoRouting(mDefaultEe, NFA_PROTOCOL_MASK_ISO_DEP, 0, 0); |
| if (nfaStat == NFA_STATUS_OK) |
| mRoutingEvent.wait (); |
| else |
| ALOGE ("Fail to set default proto routing"); |
| } |
| } |
| |
| void RoutingManager::disableRoutingToHost() |
| { |
| tNFA_STATUS nfaStat; |
| |
| { |
| SyncEventGuard guard (mRoutingEvent); |
| // Default routing for NFC-A technology if we don't have a SE |
| if (mSeTechMask == 0) |
| { |
| nfaStat = NFA_EeSetDefaultTechRouting (mDefaultEe, 0, 0, 0); |
| if (nfaStat == NFA_STATUS_OK) |
| mRoutingEvent.wait (); |
| else |
| ALOGE ("Fail to set default tech routing"); |
| } |
| |
| // Default routing for IsoDep protocol |
| nfaStat = NFA_EeSetDefaultProtoRouting(mDefaultEe, 0, 0, 0); |
| if (nfaStat == NFA_STATUS_OK) |
| mRoutingEvent.wait (); |
| else |
| ALOGE ("Fail to set default proto routing"); |
| } |
| } |
| |
| bool RoutingManager::addAidRouting(const UINT8* aid, UINT8 aidLen, int route) |
| { |
| static const char fn [] = "RoutingManager::addAidRouting"; |
| ALOGD ("%s: enter", fn); |
| tNFA_STATUS nfaStat = NFA_EeAddAidRouting(route, aidLen, (UINT8*) aid, 0x01); |
| if (nfaStat == NFA_STATUS_OK) |
| { |
| ALOGD ("%s: routed AID", fn); |
| return true; |
| } else |
| { |
| ALOGE ("%s: failed to route AID", fn); |
| return false; |
| } |
| } |
| |
| bool RoutingManager::removeAidRouting(const UINT8* aid, UINT8 aidLen) |
| { |
| static const char fn [] = "RoutingManager::removeAidRouting"; |
| ALOGD ("%s: enter", fn); |
| tNFA_STATUS nfaStat = NFA_EeRemoveAidRouting(aidLen, (UINT8*) aid); |
| if (nfaStat == NFA_STATUS_OK) |
| { |
| ALOGD ("%s: removed AID", fn); |
| return true; |
| } else |
| { |
| ALOGE ("%s: failed to remove AID", fn); |
| return false; |
| } |
| } |
| |
| bool RoutingManager::commitRouting() |
| { |
| static const char fn [] = "RoutingManager::commitRouting"; |
| tNFA_STATUS nfaStat = 0; |
| ALOGD ("%s", fn); |
| { |
| SyncEventGuard guard (mEeUpdateEvent); |
| nfaStat = NFA_EeUpdateNow(); |
| if (nfaStat == NFA_STATUS_OK) |
| { |
| mEeUpdateEvent.wait (); //wait for NFA_EE_UPDATED_EVT |
| } |
| } |
| return (nfaStat == NFA_STATUS_OK); |
| } |
| |
| void RoutingManager::onNfccShutdown () |
| { |
| static const char fn [] = "RoutingManager:onNfccShutdown"; |
| if (mActiveSe == 0x00) return; |
| |
| tNFA_STATUS nfaStat = NFA_STATUS_FAILED; |
| UINT8 actualNumEe = MAX_NUM_EE; |
| tNFA_EE_INFO eeInfo[MAX_NUM_EE]; |
| |
| memset (&eeInfo, 0, sizeof(eeInfo)); |
| if ((nfaStat = NFA_EeGetInfo (&actualNumEe, eeInfo)) != NFA_STATUS_OK) |
| { |
| ALOGE ("%s: fail get info; error=0x%X", fn, nfaStat); |
| return; |
| } |
| if (actualNumEe != 0) |
| { |
| for (UINT8 xx = 0; xx < actualNumEe; xx++) |
| { |
| if ((eeInfo[xx].num_interface != 0) |
| && (eeInfo[xx].ee_interface[0] != NCI_NFCEE_INTERFACE_HCI_ACCESS) |
| && (eeInfo[xx].ee_status == NFA_EE_STATUS_ACTIVE)) |
| { |
| ALOGD ("%s: Handle: 0x%04x Change Status Active to Inactive", fn, eeInfo[xx].ee_handle); |
| SyncEventGuard guard (mEeSetModeEvent); |
| if ((nfaStat = NFA_EeModeSet (eeInfo[xx].ee_handle, NFA_EE_MD_DEACTIVATE)) == NFA_STATUS_OK) |
| { |
| mEeSetModeEvent.wait (); //wait for NFA_EE_MODE_SET_EVT |
| } |
| else |
| { |
| ALOGE ("Failed to set EE inactive"); |
| } |
| } |
| } |
| } |
| else |
| { |
| ALOGD ("%s: No active EEs found", fn); |
| } |
| } |
| |
| void RoutingManager::notifyActivated () |
| { |
| JNIEnv* e = NULL; |
| ScopedAttach attach(mNativeData->vm, &e); |
| if (e == NULL) |
| { |
| ALOGE ("jni env is null"); |
| return; |
| } |
| |
| e->CallVoidMethod (mNativeData->manager, android::gCachedNfcManagerNotifyHostEmuActivated); |
| if (e->ExceptionCheck()) |
| { |
| e->ExceptionClear(); |
| ALOGE ("fail notify"); |
| } |
| } |
| |
| void RoutingManager::notifyDeactivated () |
| { |
| mRxDataBuffer.clear(); |
| JNIEnv* e = NULL; |
| ScopedAttach attach(mNativeData->vm, &e); |
| if (e == NULL) |
| { |
| ALOGE ("jni env is null"); |
| return; |
| } |
| |
| e->CallVoidMethod (mNativeData->manager, android::gCachedNfcManagerNotifyHostEmuDeactivated); |
| if (e->ExceptionCheck()) |
| { |
| e->ExceptionClear(); |
| ALOGE ("fail notify"); |
| } |
| } |
| |
| void RoutingManager::handleData (const UINT8* data, UINT32 dataLen, tNFA_STATUS status) |
| { |
| if (dataLen <= 0) |
| { |
| ALOGE("no data"); |
| goto TheEnd; |
| } |
| |
| if (status == NFA_STATUS_CONTINUE) |
| { |
| mRxDataBuffer.insert (mRxDataBuffer.end(), &data[0], &data[dataLen]); //append data; more to come |
| return; //expect another NFA_CE_DATA_EVT to come |
| } |
| else if (status == NFA_STATUS_OK) |
| { |
| mRxDataBuffer.insert (mRxDataBuffer.end(), &data[0], &data[dataLen]); //append data |
| //entire data packet has been received; no more NFA_CE_DATA_EVT |
| } |
| else if (status == NFA_STATUS_FAILED) |
| { |
| ALOGE("RoutingManager::handleData: read data fail"); |
| goto TheEnd; |
| } |
| |
| { |
| JNIEnv* e = NULL; |
| ScopedAttach attach(mNativeData->vm, &e); |
| if (e == NULL) |
| { |
| ALOGE ("jni env is null"); |
| goto TheEnd; |
| } |
| |
| ScopedLocalRef<jobject> dataJavaArray(e, e->NewByteArray(mRxDataBuffer.size())); |
| if (dataJavaArray.get() == NULL) |
| { |
| ALOGE ("fail allocate array"); |
| goto TheEnd; |
| } |
| |
| e->SetByteArrayRegion ((jbyteArray)dataJavaArray.get(), 0, mRxDataBuffer.size(), |
| (jbyte *)(&mRxDataBuffer[0])); |
| if (e->ExceptionCheck()) |
| { |
| e->ExceptionClear(); |
| ALOGE ("fail fill array"); |
| goto TheEnd; |
| } |
| |
| e->CallVoidMethod (mNativeData->manager, android::gCachedNfcManagerNotifyHostEmuData, dataJavaArray.get()); |
| if (e->ExceptionCheck()) |
| { |
| e->ExceptionClear(); |
| ALOGE ("fail notify"); |
| } |
| } |
| TheEnd: |
| mRxDataBuffer.clear(); |
| } |
| |
| void RoutingManager::stackCallback (UINT8 event, tNFA_CONN_EVT_DATA* eventData) |
| { |
| static const char fn [] = "RoutingManager::stackCallback"; |
| ALOGD("%s: event=0x%X", fn, event); |
| RoutingManager& routingManager = RoutingManager::getInstance(); |
| |
| switch (event) |
| { |
| case NFA_CE_REGISTERED_EVT: |
| { |
| tNFA_CE_REGISTERED& ce_registered = eventData->ce_registered; |
| ALOGD("%s: NFA_CE_REGISTERED_EVT; status=0x%X; h=0x%X", fn, ce_registered.status, ce_registered.handle); |
| } |
| break; |
| |
| case NFA_CE_DEREGISTERED_EVT: |
| { |
| tNFA_CE_DEREGISTERED& ce_deregistered = eventData->ce_deregistered; |
| ALOGD("%s: NFA_CE_DEREGISTERED_EVT; h=0x%X", fn, ce_deregistered.handle); |
| } |
| break; |
| |
| case NFA_CE_ACTIVATED_EVT: |
| { |
| routingManager.notifyActivated(); |
| } |
| break; |
| |
| case NFA_DEACTIVATED_EVT: |
| case NFA_CE_DEACTIVATED_EVT: |
| { |
| ALOGD("%s: NFA_DEACTIVATED_EVT, NFA_CE_DEACTIVATED_EVT", fn); |
| routingManager.notifyDeactivated(); |
| SyncEventGuard g (gDeactivatedEvent); |
| gActivated = false; //guard this variable from multi-threaded access |
| gDeactivatedEvent.notifyOne (); |
| } |
| break; |
| |
| case NFA_CE_DATA_EVT: |
| { |
| tNFA_CE_DATA& ce_data = eventData->ce_data; |
| ALOGD("%s: NFA_CE_DATA_EVT; stat=0x%X; h=0x%X; data len=%u", fn, ce_data.status, ce_data.handle, ce_data.len); |
| getInstance().handleData(ce_data.p_data, ce_data.len, ce_data.status); |
| } |
| break; |
| } |
| } |
| /******************************************************************************* |
| ** |
| ** Function: nfaEeCallback |
| ** |
| ** Description: Receive execution environment-related events from stack. |
| ** event: Event code. |
| ** eventData: Event data. |
| ** |
| ** Returns: None |
| ** |
| *******************************************************************************/ |
| void RoutingManager::nfaEeCallback (tNFA_EE_EVT event, tNFA_EE_CBACK_DATA* eventData) |
| { |
| static const char fn [] = "RoutingManager::nfaEeCallback"; |
| |
| RoutingManager& routingManager = RoutingManager::getInstance(); |
| |
| switch (event) |
| { |
| case NFA_EE_REGISTER_EVT: |
| { |
| SyncEventGuard guard (routingManager.mEeRegisterEvent); |
| ALOGD ("%s: NFA_EE_REGISTER_EVT; status=%u", fn, eventData->ee_register); |
| routingManager.mEeRegisterEvent.notifyOne(); |
| } |
| break; |
| |
| case NFA_EE_MODE_SET_EVT: |
| { |
| SyncEventGuard guard (routingManager.mEeSetModeEvent); |
| ALOGD ("%s: NFA_EE_MODE_SET_EVT; status: 0x%04X handle: 0x%04X ", fn, |
| eventData->mode_set.status, eventData->mode_set.ee_handle); |
| routingManager.mEeSetModeEvent.notifyOne(); |
| } |
| break; |
| |
| case NFA_EE_SET_TECH_CFG_EVT: |
| { |
| ALOGD ("%s: NFA_EE_SET_TECH_CFG_EVT; status=0x%X", fn, eventData->status); |
| SyncEventGuard guard(routingManager.mRoutingEvent); |
| routingManager.mRoutingEvent.notifyOne(); |
| } |
| break; |
| |
| case NFA_EE_SET_PROTO_CFG_EVT: |
| { |
| ALOGD ("%s: NFA_EE_SET_PROTO_CFG_EVT; status=0x%X", fn, eventData->status); |
| SyncEventGuard guard(routingManager.mRoutingEvent); |
| routingManager.mRoutingEvent.notifyOne(); |
| } |
| break; |
| |
| case NFA_EE_ACTION_EVT: |
| { |
| tNFA_EE_ACTION& action = eventData->action; |
| if (action.trigger == NFC_EE_TRIG_SELECT) |
| ALOGD ("%s: NFA_EE_ACTION_EVT; h=0x%X; trigger=select (0x%X)", fn, action.ee_handle, action.trigger); |
| else if (action.trigger == NFC_EE_TRIG_APP_INIT) |
| { |
| tNFC_APP_INIT& app_init = action.param.app_init; |
| ALOGD ("%s: NFA_EE_ACTION_EVT; h=0x%X; trigger=app-init (0x%X); aid len=%u; data len=%u", fn, |
| action.ee_handle, action.trigger, app_init.len_aid, app_init.len_data); |
| } |
| else if (action.trigger == NFC_EE_TRIG_RF_PROTOCOL) |
| ALOGD ("%s: NFA_EE_ACTION_EVT; h=0x%X; trigger=rf protocol (0x%X)", fn, action.ee_handle, action.trigger); |
| else if (action.trigger == NFC_EE_TRIG_RF_TECHNOLOGY) |
| ALOGD ("%s: NFA_EE_ACTION_EVT; h=0x%X; trigger=rf tech (0x%X)", fn, action.ee_handle, action.trigger); |
| else |
| ALOGE ("%s: NFA_EE_ACTION_EVT; h=0x%X; unknown trigger (0x%X)", fn, action.ee_handle, action.trigger); |
| } |
| break; |
| |
| case NFA_EE_DISCOVER_REQ_EVT: |
| { |
| ALOGD ("%s: NFA_EE_DISCOVER_REQ_EVT; status=0x%X; num ee=%u", __FUNCTION__, |
| eventData->discover_req.status, eventData->discover_req.num_ee); |
| SyncEventGuard guard (routingManager.mEeInfoEvent); |
| memcpy (&routingManager.mEeInfo, &eventData->discover_req, sizeof(routingManager.mEeInfo)); |
| routingManager.mReceivedEeInfo = true; |
| routingManager.mEeInfoEvent.notifyOne(); |
| } |
| break; |
| |
| case NFA_EE_NO_CB_ERR_EVT: |
| ALOGD ("%s: NFA_EE_NO_CB_ERR_EVT status=%u", fn, eventData->status); |
| break; |
| |
| case NFA_EE_ADD_AID_EVT: |
| { |
| ALOGD ("%s: NFA_EE_ADD_AID_EVT status=%u", fn, eventData->status); |
| } |
| break; |
| |
| case NFA_EE_REMOVE_AID_EVT: |
| { |
| ALOGD ("%s: NFA_EE_REMOVE_AID_EVT status=%u", fn, eventData->status); |
| } |
| break; |
| |
| case NFA_EE_NEW_EE_EVT: |
| { |
| ALOGD ("%s: NFA_EE_NEW_EE_EVT h=0x%X; status=%u", fn, |
| eventData->new_ee.ee_handle, eventData->new_ee.ee_status); |
| } |
| break; |
| |
| case NFA_EE_UPDATED_EVT: |
| { |
| ALOGD("%s: NFA_EE_UPDATED_EVT", fn); |
| SyncEventGuard guard(routingManager.mEeUpdateEvent); |
| routingManager.mEeUpdateEvent.notifyOne(); |
| } |
| break; |
| |
| default: |
| ALOGE ("%s: unknown event=%u ????", fn, event); |
| break; |
| } |
| } |
| |
| int RoutingManager::registerJniFunctions (JNIEnv* e) |
| { |
| static const char fn [] = "RoutingManager::registerJniFunctions"; |
| ALOGD ("%s", fn); |
| return jniRegisterNativeMethods (e, "com/android/nfc/cardemulation/AidRoutingManager", sMethods, NELEM(sMethods)); |
| } |
| |
| int RoutingManager::com_android_nfc_cardemulation_doGetDefaultRouteDestination (JNIEnv*) |
| { |
| return getInstance().mDefaultEe; |
| } |
| |
| int RoutingManager::com_android_nfc_cardemulation_doGetDefaultOffHostRouteDestination (JNIEnv*) |
| { |
| return getInstance().mOffHostEe; |
| } |
| |
| int RoutingManager::com_android_nfc_cardemulation_doGetAidMatchingMode (JNIEnv*) |
| { |
| return getInstance().mAidMatchingMode; |
| } |
