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/*
* Copyright (C) 2012 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.
*/
/*
* Communicate with secure elements that are attached to the NFC
* controller.
*/
#include <semaphore.h>
#include <errno.h>
#include <ScopedLocalRef.h>
#include "OverrideLog.h"
#include "SecureElement.h"
#include "config.h"
#include "PowerSwitch.h"
#include "HostAidRouter.h"
#include "JavaClassConstants.h"
/*****************************************************************************
**
** public variables
**
*****************************************************************************/
int gSEId = -1; // secure element ID to use in connectEE(), -1 means not set
int gGatePipe = -1; // gate id or static pipe id to use in connectEE(), -1 means not set
bool gUseStaticPipe = false; // if true, use gGatePipe as static pipe id. if false, use as gate id
namespace android
{
extern void startRfDiscovery (bool isStart);
extern void setUiccIdleTimeout (bool enable);
}
//////////////////////////////////////////////
//////////////////////////////////////////////
SecureElement SecureElement::sSecElem;
const char* SecureElement::APP_NAME = "nfc_jni";
/*******************************************************************************
**
** Function: SecureElement
**
** Description: Initialize member variables.
**
** Returns: None
**
*******************************************************************************/
SecureElement::SecureElement ()
: mActiveEeHandle (NFA_HANDLE_INVALID),
mDestinationGate (4), //loopback gate
mNfaHciHandle (NFA_HANDLE_INVALID),
mNativeData (NULL),
mIsInit (false),
mActualNumEe (0),
mNumEePresent(0),
mbNewEE (true), // by default we start w/thinking there are new EE
mNewPipeId (0),
mNewSourceGate (0),
mActiveSeOverride(0),
mCommandStatus (NFA_STATUS_OK),
mIsPiping (false),
mCurrentRouteSelection (NoRoute),
mActualResponseSize(0),
mUseOberthurWarmReset (false),
mActivatedInListenMode (false),
mOberthurWarmResetCommand (3),
mRfFieldIsOn(false)
{
memset (&mEeInfo, 0, sizeof(mEeInfo));
memset (&mUiccInfo, 0, sizeof(mUiccInfo));
memset (&mHciCfg, 0, sizeof(mHciCfg));
memset (mResponseData, 0, sizeof(mResponseData));
memset (mAidForEmptySelect, 0, sizeof(mAidForEmptySelect));
memset (&mLastRfFieldToggle, 0, sizeof(mLastRfFieldToggle));
}
/*******************************************************************************
**
** Function: ~SecureElement
**
** Description: Release all resources.
**
** Returns: None
**
*******************************************************************************/
SecureElement::~SecureElement ()
{
}
/*******************************************************************************
**
** Function: getInstance
**
** Description: Get the SecureElement singleton object.
**
** Returns: SecureElement object.
**
*******************************************************************************/
SecureElement& SecureElement::getInstance()
{
return sSecElem;
}
/*******************************************************************************
**
** Function: setActiveSeOverride
**
** Description: Specify which secure element to turn on.
** activeSeOverride: ID of secure element
**
** Returns: None
**
*******************************************************************************/
void SecureElement::setActiveSeOverride(UINT8 activeSeOverride)
{
ALOGD ("SecureElement::setActiveSeOverride, seid=0x%X", activeSeOverride);
mActiveSeOverride = activeSeOverride;
}
/*******************************************************************************
**
** Function: initialize
**
** Description: Initialize all member variables.
** native: Native data.
**
** Returns: True if ok.
**
*******************************************************************************/
bool SecureElement::initialize (nfc_jni_native_data* native)
{
static const char fn [] = "SecureElement::initialize";
tNFA_STATUS nfaStat;
unsigned long num = 0;
ALOGD ("%s: enter", fn);
if (GetNumValue("NFA_HCI_DEFAULT_DEST_GATE", &num, sizeof(num)))
mDestinationGate = num;
ALOGD ("%s: Default destination gate: 0x%X", fn, mDestinationGate);
// active SE, if not set active all SEs
if (GetNumValue("ACTIVE_SE", &num, sizeof(num)))
mActiveSeOverride = num;
ALOGD ("%s: Active SE override: 0x%X", fn, mActiveSeOverride);
if (GetNumValue("OBERTHUR_WARM_RESET_COMMAND", &num, sizeof(num)))
{
mUseOberthurWarmReset = true;
mOberthurWarmResetCommand = (UINT8) num;
}
mActiveEeHandle = NFA_HANDLE_INVALID;
mNfaHciHandle = NFA_HANDLE_INVALID;
mNativeData = native;
mActualNumEe = MAX_NUM_EE;
mbNewEE = true;
mNewPipeId = 0;
mNewSourceGate = 0;
mCurrentRouteSelection = NoRoute;
memset (mEeInfo, 0, sizeof(mEeInfo));
memset (&mUiccInfo, 0, sizeof(mUiccInfo));
memset (&mHciCfg, 0, sizeof(mHciCfg));
mUsedAids.clear ();
memset(mAidForEmptySelect, 0, sizeof(mAidForEmptySelect));
// Get Fresh EE info.
if (! getEeInfo())
return (false);
{
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 ();
}
// If the controller has an HCI Network, register for that
for (size_t xx = 0; xx < mActualNumEe; xx++)
{
if ((mEeInfo[xx].num_interface > 0) && (mEeInfo[xx].ee_interface[0] == NCI_NFCEE_INTERFACE_HCI_ACCESS) )
{
ALOGD ("%s: Found HCI network, try hci register", fn);
SyncEventGuard guard (mHciRegisterEvent);
nfaStat = NFA_HciRegister (const_cast<char*>(APP_NAME), nfaHciCallback, TRUE);
if (nfaStat != NFA_STATUS_OK)
{
ALOGE ("%s: fail hci register; error=0x%X", fn, nfaStat);
return (false);
}
mHciRegisterEvent.wait();
break;
}
}
mRouteDataSet.initialize ();
mRouteDataSet.import (); //read XML file
HostAidRouter::getInstance().initialize ();
GetStrValue(NAME_AID_FOR_EMPTY_SELECT, (char*)&mAidForEmptySelect[0], sizeof(mAidForEmptySelect));
mIsInit = true;
ALOGD ("%s: exit", fn);
return (true);
}
/*******************************************************************************
**
** Function: finalize
**
** Description: Release all resources.
**
** Returns: None
**
*******************************************************************************/
void SecureElement::finalize ()
{
static const char fn [] = "SecureElement::finalize";
ALOGD ("%s: enter", fn);
NFA_EeDeregister (nfaEeCallback);
if (mNfaHciHandle != NFA_HANDLE_INVALID)
NFA_HciDeregister (const_cast<char*>(APP_NAME));
mNfaHciHandle = NFA_HANDLE_INVALID;
mNativeData = NULL;
mIsInit = false;
mActualNumEe = 0;
mNumEePresent = 0;
mNewPipeId = 0;
mNewSourceGate = 0;
mIsPiping = false;
memset (mEeInfo, 0, sizeof(mEeInfo));
memset (&mUiccInfo, 0, sizeof(mUiccInfo));
ALOGD ("%s: exit", fn);
}
/*******************************************************************************
**
** Function: getEeInfo
**
** Description: Get latest information about execution environments from stack.
**
** Returns: True if at least 1 EE is available.
**
*******************************************************************************/
bool SecureElement::getEeInfo()
{
static const char fn [] = "SecureElement::getEeInfo";
ALOGD ("%s: enter; mbNewEE=%d, mActualNumEe=%d", fn, mbNewEE, mActualNumEe);
tNFA_STATUS nfaStat = NFA_STATUS_FAILED;
// If mbNewEE is true then there is new EE info.
if (mbNewEE)
{
mActualNumEe = MAX_NUM_EE;
if ((nfaStat = NFA_EeGetInfo (&mActualNumEe, mEeInfo)) != NFA_STATUS_OK)
{
ALOGE ("%s: fail get info; error=0x%X", fn, nfaStat);
mActualNumEe = 0;
}
else
{
mbNewEE = false;
ALOGD ("%s: num EEs discovered: %u", fn, mActualNumEe);
if (mActualNumEe != 0)
{
for (UINT8 xx = 0; xx < mActualNumEe; xx++)
{
if ((mEeInfo[xx].num_interface != 0) && (mEeInfo[xx].ee_interface[0] != NCI_NFCEE_INTERFACE_HCI_ACCESS) )
mNumEePresent++;
ALOGD ("%s: EE[%u] Handle: 0x%04x Status: %s Num I/f: %u: (0x%02x, 0x%02x) Num TLVs: %u",
fn, xx, mEeInfo[xx].ee_handle, eeStatusToString(mEeInfo[xx].ee_status), mEeInfo[xx].num_interface,
mEeInfo[xx].ee_interface[0], mEeInfo[xx].ee_interface[1], mEeInfo[xx].num_tlvs);
for (size_t yy = 0; yy < mEeInfo[xx].num_tlvs; yy++)
{
ALOGD ("%s: EE[%u] TLV[%u] Tag: 0x%02x Len: %u Values[]: 0x%02x 0x%02x 0x%02x ...",
fn, xx, yy, mEeInfo[xx].ee_tlv[yy].tag, mEeInfo[xx].ee_tlv[yy].len, mEeInfo[xx].ee_tlv[yy].info[0],
mEeInfo[xx].ee_tlv[yy].info[1], mEeInfo[xx].ee_tlv[yy].info[2]);
}
}
}
}
}
ALOGD ("%s: exit; mActualNumEe=%d, mNumEePresent=%d", fn, mActualNumEe,mNumEePresent);
return (mActualNumEe != 0);
}
/*******************************************************************************
**
** Function TimeDiff
**
** Description Computes time difference in milliseconds.
**
** Returns Time difference in milliseconds
**
*******************************************************************************/
static UINT32 TimeDiff(timespec start, timespec end)
{
end.tv_sec -= start.tv_sec;
end.tv_nsec -= start.tv_nsec;
if (end.tv_nsec < 0) {
end.tv_nsec += 10e8;
end.tv_sec -=1;
}
return (end.tv_sec * 1000) + (end.tv_nsec / 10e5);
}
/*******************************************************************************
**
** Function: isRfFieldOn
**
** Description: Can be used to determine if the SE is in an RF field
**
** Returns: True if the SE is activated in an RF field
**
*******************************************************************************/
bool SecureElement::isRfFieldOn() {
AutoMutex mutex(mMutex);
if (mRfFieldIsOn) {
return true;
}
struct timespec now;
int ret = clock_gettime(CLOCK_MONOTONIC, &now);
if (ret == -1) {
ALOGE("isRfFieldOn(): clock_gettime failed");
return false;
}
if (TimeDiff(mLastRfFieldToggle, now) < 50) {
// If it was less than 50ms ago that RF field
// was turned off, still return ON.
return true;
} else {
return false;
}
}
/*******************************************************************************
**
** Function: isActivatedInListenMode
**
** Description: Can be used to determine if the SE is activated in listen mode
**
** Returns: True if the SE is activated in listen mode
**
*******************************************************************************/
bool SecureElement::isActivatedInListenMode() {
return mActivatedInListenMode;
}
/*******************************************************************************
**
** Function: getListOfEeHandles
**
** Description: Get the list of handles of all execution environments.
** e: Java Virtual Machine.
**
** Returns: List of handles of all execution environments.
**
*******************************************************************************/
jintArray SecureElement::getListOfEeHandles (JNIEnv* e)
{
static const char fn [] = "SecureElement::getListOfEeHandles";
ALOGD ("%s: enter", fn);
if (mNumEePresent == 0)
return NULL;
if (!mIsInit)
{
ALOGE ("%s: not init", fn);
return (NULL);
}
// Get Fresh EE info.
if (! getEeInfo())
return (NULL);
jintArray list = e->NewIntArray (mNumEePresent); //allocate array
jint jj = 0;
int cnt = 0;
for (int ii = 0; ii < mActualNumEe && cnt < mNumEePresent; ii++)
{
ALOGD ("%s: %u = 0x%X", fn, ii, mEeInfo[ii].ee_handle);
if ((mEeInfo[ii].num_interface == 0) || (mEeInfo[ii].ee_interface[0] == NCI_NFCEE_INTERFACE_HCI_ACCESS) )
{
continue;
}
jj = mEeInfo[ii].ee_handle & ~NFA_HANDLE_GROUP_EE;
e->SetIntArrayRegion (list, cnt++, 1, &jj);
}
ALOGD("%s: exit", fn);
return list;
}
/*******************************************************************************
**
** Function: activate
**
** Description: Turn on the secure element.
** seID: ID of secure element; 0xF3 or 0xF4.
**
** Returns: True if ok.
**
*******************************************************************************/
bool SecureElement::activate (jint seID)
{
static const char fn [] = "SecureElement::activate";
tNFA_STATUS nfaStat = NFA_STATUS_FAILED;
int numActivatedEe = 0;
ALOGD ("%s: enter; seID=0x%X", fn, seID);
if (!mIsInit)
{
ALOGE ("%s: not init", fn);
return false;
}
if (mActiveEeHandle != NFA_HANDLE_INVALID)
{
ALOGD ("%s: already active", fn);
return true;
}
// Get Fresh EE info if needed.
if (! getEeInfo())
{
ALOGE ("%s: no EE info", fn);
return false;
}
UINT16 overrideEeHandle = 0;
if (mActiveSeOverride)
overrideEeHandle = NFA_HANDLE_GROUP_EE | mActiveSeOverride;
if (mRfFieldIsOn) {
ALOGE("%s: RF field indication still on, resetting", fn);
mRfFieldIsOn = false;
}
ALOGD ("%s: override ee h=0x%X", fn, overrideEeHandle );
//activate every discovered secure element
for (int index=0; index < mActualNumEe; index++)
{
tNFA_EE_INFO& eeItem = mEeInfo[index];
if ((eeItem.ee_handle == EE_HANDLE_0xF3) || (eeItem.ee_handle == EE_HANDLE_0xF4))
{
if (overrideEeHandle && (overrideEeHandle != eeItem.ee_handle) )
continue; // do not enable all SEs; only the override one
if (eeItem.ee_status != NFC_NFCEE_STATUS_INACTIVE)
{
ALOGD ("%s: h=0x%X already activated", fn, eeItem.ee_handle);
numActivatedEe++;
continue;
}
{
SyncEventGuard guard (mEeSetModeEvent);
ALOGD ("%s: set EE mode activate; h=0x%X", fn, eeItem.ee_handle);
if ((nfaStat = NFA_EeModeSet (eeItem.ee_handle, NFA_EE_MD_ACTIVATE)) == NFA_STATUS_OK)
{
mEeSetModeEvent.wait (); //wait for NFA_EE_MODE_SET_EVT
if (eeItem.ee_status == NFC_NFCEE_STATUS_ACTIVE)
numActivatedEe++;
}
else
ALOGE ("%s: NFA_EeModeSet failed; error=0x%X", fn, nfaStat);
}
}
} //for
mActiveEeHandle = getDefaultEeHandle();
if (mActiveEeHandle == NFA_HANDLE_INVALID)
ALOGE ("%s: ee handle not found", fn);
ALOGD ("%s: exit; active ee h=0x%X", fn, mActiveEeHandle);
return mActiveEeHandle != NFA_HANDLE_INVALID;
}
/*******************************************************************************
**
** Function: deactivate
**
** Description: Turn off the secure element.
** seID: ID of secure element; 0xF3 or 0xF4.
**
** Returns: True if ok.
**
*******************************************************************************/
bool SecureElement::deactivate (jint seID)
{
static const char fn [] = "SecureElement::deactivate";
bool retval = false;
ALOGD ("%s: enter; seID=0x%X, mActiveEeHandle=0x%X", fn, seID, mActiveEeHandle);
if (!mIsInit)
{
ALOGE ("%s: not init", fn);
goto TheEnd;
}
//if the controller is routing to sec elems or piping,
//then the secure element cannot be deactivated
if ((mCurrentRouteSelection == SecElemRoute) || mIsPiping)
{
ALOGE ("%s: still busy", fn);
goto TheEnd;
}
if (mActiveEeHandle == NFA_HANDLE_INVALID)
{
ALOGE ("%s: invalid EE handle", fn);
goto TheEnd;
}
mActiveEeHandle = NFA_HANDLE_INVALID;
retval = true;
TheEnd:
ALOGD ("%s: exit; ok=%u", fn, retval);
return retval;
}
/*******************************************************************************
**
** Function: notifyTransactionListenersOfAid
**
** Description: Notify the NFC service about a transaction event from secure element.
** aid: Buffer contains application ID.
** aidLen: Length of application ID.
**
** Returns: None
**
*******************************************************************************/
void SecureElement::notifyTransactionListenersOfAid (const UINT8* aidBuffer, UINT8 aidBufferLen)
{
static const char fn [] = "SecureElement::notifyTransactionListenersOfAid";
ALOGD ("%s: enter; aid len=%u", fn, aidBufferLen);
if (aidBufferLen == 0) {
return;
}
JNIEnv* e = NULL;
ScopedAttach attach(mNativeData->vm, &e);
if (e == NULL)
{
ALOGE ("%s: jni env is null", fn);
return;
}
const UINT16 tlvMaxLen = aidBufferLen + 10;
UINT8* tlv = new UINT8 [tlvMaxLen];
if (tlv == NULL)
{
ALOGE ("%s: fail allocate tlv", fn);
return;
}
memcpy (tlv, aidBuffer, aidBufferLen);
UINT16 tlvActualLen = aidBufferLen;
ScopedLocalRef<jobject> tlvJavaArray(e, e->NewByteArray(tlvActualLen));
if (tlvJavaArray.get() == NULL)
{
ALOGE ("%s: fail allocate array", fn);
goto TheEnd;
}
e->SetByteArrayRegion ((jbyteArray)tlvJavaArray.get(), 0, tlvActualLen, (jbyte *)tlv);
if (e->ExceptionCheck())
{
e->ExceptionClear();
ALOGE ("%s: fail fill array", fn);
goto TheEnd;
}
e->CallVoidMethod (mNativeData->manager, android::gCachedNfcManagerNotifyTransactionListeners, tlvJavaArray.get());
if (e->ExceptionCheck())
{
e->ExceptionClear();
ALOGE ("%s: fail notify", fn);
goto TheEnd;
}
TheEnd:
delete [] tlv;
ALOGD ("%s: exit", fn);
}
/*******************************************************************************
**
** Function: connectEE
**
** Description: Connect to the execution environment.
**
** Returns: True if ok.
**
*******************************************************************************/
bool SecureElement::connectEE ()
{
static const char fn [] = "SecureElement::connectEE";
tNFA_STATUS nfaStat = NFA_STATUS_FAILED;
bool retVal = false;
UINT8 destHost = 0;
unsigned long num = 0;
char pipeConfName[40];
tNFA_HANDLE eeHandle = mActiveEeHandle;
ALOGD ("%s: enter, mActiveEeHandle: 0x%04x, SEID: 0x%x, pipe_gate_num=%d, use pipe=%d",
fn, mActiveEeHandle, gSEId, gGatePipe, gUseStaticPipe);
if (!mIsInit)
{
ALOGE ("%s: not init", fn);
return (false);
}
if (gSEId != -1)
{
eeHandle = gSEId | NFA_HANDLE_GROUP_EE;
ALOGD ("%s: Using SEID: 0x%x", fn, eeHandle );
}
if (eeHandle == NFA_HANDLE_INVALID)
{
ALOGE ("%s: invalid handle 0x%X", fn, eeHandle);
return (false);
}
tNFA_EE_INFO *pEE = findEeByHandle (eeHandle);
if (pEE == NULL)
{
ALOGE ("%s: Handle 0x%04x NOT FOUND !!", fn, eeHandle);
return (false);
}
// Disable RF discovery completely while the DH is connected
android::startRfDiscovery(false);
mNewSourceGate = 0;
if (gGatePipe == -1)
{
// pipe/gate num was not specifed by app, get from config file
mNewPipeId = 0;
// Construct the PIPE name based on the EE handle (e.g. NFA_HCI_STATIC_PIPE_ID_F3 for UICC0).
snprintf (pipeConfName, sizeof(pipeConfName), "NFA_HCI_STATIC_PIPE_ID_%02X", eeHandle & NFA_HANDLE_MASK);
if (GetNumValue(pipeConfName, &num, sizeof(num)) && (num != 0))
{
mNewPipeId = num;
ALOGD ("%s: Using static pipe id: 0x%X", __FUNCTION__, mNewPipeId);
}
else
{
ALOGD ("%s: Did not find value '%s' defined in the .conf", __FUNCTION__, pipeConfName);
}
}
else
{
if (gUseStaticPipe)
{
mNewPipeId = gGatePipe;
}
else
{
mNewPipeId = 0;
mDestinationGate= gGatePipe;
}
}
// If the .conf file had a static pipe to use, just use it.
if (mNewPipeId != 0)
{
UINT8 host = (mNewPipeId == STATIC_PIPE_0x70) ? 0x02 : 0x03;
UINT8 gate = (mNewPipeId == STATIC_PIPE_0x70) ? 0xF0 : 0xF1;
nfaStat = NFA_HciAddStaticPipe(mNfaHciHandle, host, gate, mNewPipeId);
if (nfaStat != NFA_STATUS_OK)
{
ALOGE ("%s: fail create static pipe; error=0x%X", fn, nfaStat);
retVal = false;
goto TheEnd;
}
}
else
{
if ( (pEE->num_tlvs >= 1) && (pEE->ee_tlv[0].tag == NFA_EE_TAG_HCI_HOST_ID) )
destHost = pEE->ee_tlv[0].info[0];
else
destHost = 2;
// Get a list of existing gates and pipes
{
ALOGD ("%s: get gate, pipe list", fn);
SyncEventGuard guard (mPipeListEvent);
nfaStat = NFA_HciGetGateAndPipeList (mNfaHciHandle);
if (nfaStat == NFA_STATUS_OK)
{
mPipeListEvent.wait();
if (mHciCfg.status == NFA_STATUS_OK)
{
for (UINT8 xx = 0; xx < mHciCfg.num_pipes; xx++)
{
if ( (mHciCfg.pipe[xx].dest_host == destHost)
&& (mHciCfg.pipe[xx].dest_gate == mDestinationGate) )
{
mNewSourceGate = mHciCfg.pipe[xx].local_gate;
mNewPipeId = mHciCfg.pipe[xx].pipe_id;
ALOGD ("%s: found configured gate: 0x%02x pipe: 0x%02x", fn, mNewSourceGate, mNewPipeId);
break;
}
}
}
}
}
if (mNewSourceGate == 0)
{
ALOGD ("%s: allocate gate", fn);
//allocate a source gate and store in mNewSourceGate
SyncEventGuard guard (mAllocateGateEvent);
if ((nfaStat = NFA_HciAllocGate (mNfaHciHandle)) != NFA_STATUS_OK)
{
ALOGE ("%s: fail allocate source gate; error=0x%X", fn, nfaStat);
goto TheEnd;
}
mAllocateGateEvent.wait ();
if (mCommandStatus != NFA_STATUS_OK)
goto TheEnd;
}
if (mNewPipeId == 0)
{
ALOGD ("%s: create pipe", fn);
SyncEventGuard guard (mCreatePipeEvent);
nfaStat = NFA_HciCreatePipe (mNfaHciHandle, mNewSourceGate, destHost, mDestinationGate);
if (nfaStat != NFA_STATUS_OK)
{
ALOGE ("%s: fail create pipe; error=0x%X", fn, nfaStat);
goto TheEnd;
}
mCreatePipeEvent.wait ();
if (mCommandStatus != NFA_STATUS_OK)
goto TheEnd;
}
{
ALOGD ("%s: open pipe", fn);
SyncEventGuard guard (mPipeOpenedEvent);
nfaStat = NFA_HciOpenPipe (mNfaHciHandle, mNewPipeId);
if (nfaStat != NFA_STATUS_OK)
{
ALOGE ("%s: fail open pipe; error=0x%X", fn, nfaStat);
goto TheEnd;
}
mPipeOpenedEvent.wait ();
if (mCommandStatus != NFA_STATUS_OK)
goto TheEnd;
}
}
retVal = true;
TheEnd:
mIsPiping = retVal;
if (!retVal)
{
// if open failed we need to de-allocate the gate
disconnectEE(0);
}
ALOGD ("%s: exit; ok=%u", fn, retVal);
return retVal;
}
/*******************************************************************************
**
** Function: disconnectEE
**
** Description: Disconnect from the execution environment.
** seID: ID of secure element.
**
** Returns: True if ok.
**
*******************************************************************************/
bool SecureElement::disconnectEE (jint seID)
{
static const char fn [] = "SecureElement::disconnectEE";
tNFA_STATUS nfaStat = NFA_STATUS_FAILED;
tNFA_HANDLE eeHandle = seID;
ALOGD("%s: seID=0x%X; handle=0x%04x", fn, seID, eeHandle);
if (mUseOberthurWarmReset)
{
//send warm-reset command to Oberthur secure element which deselects the applet;
//this is an Oberthur-specific command;
ALOGD("%s: try warm-reset on pipe id 0x%X; cmd=0x%X", fn, mNewPipeId, mOberthurWarmResetCommand);
SyncEventGuard guard (mRegistryEvent);
nfaStat = NFA_HciSetRegistry (mNfaHciHandle, mNewPipeId,
1, 1, &mOberthurWarmResetCommand);
if (nfaStat == NFA_STATUS_OK)
{
mRegistryEvent.wait ();
ALOGD("%s: completed warm-reset on pipe 0x%X", fn, mNewPipeId);
}
}
if (mNewSourceGate)
{
SyncEventGuard guard (mDeallocateGateEvent);
if ((nfaStat = NFA_HciDeallocGate (mNfaHciHandle, mNewSourceGate)) == NFA_STATUS_OK)
mDeallocateGateEvent.wait ();
else
ALOGE ("%s: fail dealloc gate; error=0x%X", fn, nfaStat);
}
mIsPiping = false;
// Re-enable RF discovery
// Note that it only effactuates the current configuration,
// so if polling/listening were configured OFF (forex because
// the screen was off), they will stay OFF with this call.
android::startRfDiscovery(true);
return true;
}
/*******************************************************************************
**
** Function: transceive
**
** Description: Send data to the secure element; read it's response.
** xmitBuffer: Data to transmit.
** xmitBufferSize: Length of data.
** recvBuffer: Buffer to receive response.
** recvBufferMaxSize: Maximum size of buffer.
** recvBufferActualSize: Actual length of response.
** timeoutMillisec: timeout in millisecond.
**
** Returns: True if ok.
**
*******************************************************************************/
bool SecureElement::transceive (UINT8* xmitBuffer, INT32 xmitBufferSize, UINT8* recvBuffer,
INT32 recvBufferMaxSize, INT32& recvBufferActualSize, INT32 timeoutMillisec)
{
static const char fn [] = "SecureElement::transceive";
tNFA_STATUS nfaStat = NFA_STATUS_FAILED;
bool isSuccess = false;
bool waitOk = false;
UINT8 newSelectCmd[NCI_MAX_AID_LEN + 10];
ALOGD ("%s: enter; xmitBufferSize=%ld; recvBufferMaxSize=%ld; timeout=%ld", fn, xmitBufferSize, recvBufferMaxSize, timeoutMillisec);
// Check if we need to replace an "empty" SELECT command.
// 1. Has there been a AID configured, and
// 2. Is that AID a valid length (i.e 16 bytes max), and
// 3. Is the APDU at least 4 bytes (for header), and
// 4. Is INS == 0xA4 (SELECT command), and
// 5. Is P1 == 0x04 (SELECT by AID), and
// 6. Is the APDU len 4 or 5 bytes.
//
// Note, the length of the configured AID is in the first
// byte, and AID starts from the 2nd byte.
if (mAidForEmptySelect[0] // 1
&& (mAidForEmptySelect[0] <= NCI_MAX_AID_LEN) // 2
&& (xmitBufferSize >= 4) // 3
&& (xmitBuffer[1] == 0xA4) // 4
&& (xmitBuffer[2] == 0x04) // 5
&& (xmitBufferSize <= 5)) // 6
{
UINT8 idx = 0;
// Copy APDU command header from the input buffer.
memcpy(&newSelectCmd[0], &xmitBuffer[0], 4);
idx = 4;
// Set the Lc value to length of the new AID
newSelectCmd[idx++] = mAidForEmptySelect[0];
// Copy the AID
memcpy(&newSelectCmd[idx], &mAidForEmptySelect[1], mAidForEmptySelect[0]);
idx += mAidForEmptySelect[0];
// If there is an Le (5th byte of APDU), add it to the end.
if (xmitBufferSize == 5)
newSelectCmd[idx++] = xmitBuffer[4];
// Point to the new APDU
xmitBuffer = &newSelectCmd[0];
xmitBufferSize = idx;
ALOGD ("%s: Empty AID SELECT cmd detected, substituting AID from config file, new length=%d", fn, idx);
}
{
SyncEventGuard guard (mTransceiveEvent);
mActualResponseSize = 0;
memset (mResponseData, 0, sizeof(mResponseData));
if ((mNewPipeId == STATIC_PIPE_0x70) || (mNewPipeId == STATIC_PIPE_0x71))
nfaStat = NFA_HciSendEvent (mNfaHciHandle, mNewPipeId, EVT_SEND_DATA, xmitBufferSize, xmitBuffer, sizeof(mResponseData), mResponseData, 0);
else
nfaStat = NFA_HciSendEvent (mNfaHciHandle, mNewPipeId, NFA_HCI_EVT_POST_DATA, xmitBufferSize, xmitBuffer, sizeof(mResponseData), mResponseData, 0);
if (nfaStat == NFA_STATUS_OK)
{
waitOk = mTransceiveEvent.wait (timeoutMillisec);
if (waitOk == false) //timeout occurs
{
ALOGE ("%s: wait response timeout", fn);
goto TheEnd;
}
}
else
{
ALOGE ("%s: fail send data; error=0x%X", fn, nfaStat);
goto TheEnd;
}
}
if (mActualResponseSize > recvBufferMaxSize)
recvBufferActualSize = recvBufferMaxSize;
else
recvBufferActualSize = mActualResponseSize;
memcpy (recvBuffer, mResponseData, recvBufferActualSize);
isSuccess = true;
TheEnd:
ALOGD ("%s: exit; isSuccess: %d; recvBufferActualSize: %ld", fn, isSuccess, recvBufferActualSize);
return (isSuccess);
}
/*******************************************************************************
**
** Function: notifyListenModeState
**
** Description: Notify the NFC service about whether the SE was activated
** in listen mode.
** isActive: Whether the secure element is activated.
**
** Returns: None
**
*******************************************************************************/
void SecureElement::notifyListenModeState (bool isActivated) {
static const char fn [] = "SecureElement::notifyListenMode";
ALOGD ("%s: enter; listen mode active=%u", fn, isActivated);
JNIEnv* e = NULL;
ScopedAttach attach(mNativeData->vm, &e);
if (e == NULL)
{
ALOGE ("%s: jni env is null", fn);
return;
}
mActivatedInListenMode = isActivated;
if (isActivated) {
e->CallVoidMethod (mNativeData->manager, android::gCachedNfcManagerNotifySeListenActivated);
}
else {
e->CallVoidMethod (mNativeData->manager, android::gCachedNfcManagerNotifySeListenDeactivated);
}
if (e->ExceptionCheck())
{
e->ExceptionClear();
ALOGE ("%s: fail notify", fn);
}
ALOGD ("%s: exit", fn);
}
/*******************************************************************************
**
** Function: notifyRfFieldEvent
**
** Description: Notify the NFC service about RF field events from the stack.
** isActive: Whether any secure element is activated.
**
** Returns: None
**
*******************************************************************************/
void SecureElement::notifyRfFieldEvent (bool isActive)
{
static const char fn [] = "SecureElement::notifyRfFieldEvent";
ALOGD ("%s: enter; is active=%u", fn, isActive);
JNIEnv* e = NULL;
ScopedAttach attach(mNativeData->vm, &e);
if (e == NULL)
{
ALOGE ("%s: jni env is null", fn);
return;
}
mMutex.lock();
int ret = clock_gettime (CLOCK_MONOTONIC, &mLastRfFieldToggle);
if (ret == -1) {
ALOGE("%s: clock_gettime failed", fn);
// There is no good choice here...
}
if (isActive) {
mRfFieldIsOn = true;
e->CallVoidMethod (mNativeData->manager, android::gCachedNfcManagerNotifySeFieldActivated);
}
else {
mRfFieldIsOn = false;
e->CallVoidMethod (mNativeData->manager, android::gCachedNfcManagerNotifySeFieldDeactivated);
}
mMutex.unlock();
if (e->ExceptionCheck())
{
e->ExceptionClear();
ALOGE ("%s: fail notify", fn);
}
ALOGD ("%s: exit", fn);
}
/*******************************************************************************
**
** Function: storeUiccInfo
**
** Description: Store a copy of the execution environment information from the stack.
** info: execution environment information.
**
** Returns: None
**
*******************************************************************************/
void SecureElement::storeUiccInfo (tNFA_EE_DISCOVER_REQ& info)
{
static const char fn [] = "SecureElement::storeUiccInfo";
ALOGD ("%s: Status: %u Num EE: %u", fn, info.status, info.num_ee);
SyncEventGuard guard (mUiccInfoEvent);
memcpy (&mUiccInfo, &info, sizeof(mUiccInfo));
for (UINT8 xx = 0; xx < info.num_ee; xx++)
{
//for each technology (A, B, F, B'), print the bit field that shows
//what protocol(s) is support by that technology
ALOGD ("%s EE[%u] Handle: 0x%04x techA: 0x%02x techB: 0x%02x techF: 0x%02x techBprime: 0x%02x",
fn, xx, info.ee_disc_info[xx].ee_handle,
info.ee_disc_info[xx].la_protocol,
info.ee_disc_info[xx].lb_protocol,
info.ee_disc_info[xx].lf_protocol,
info.ee_disc_info[xx].lbp_protocol);
}
mUiccInfoEvent.notifyOne ();
}
/*******************************************************************************
**
** Function: getUiccId
**
** Description: Get the ID of the secure element.
** eeHandle: Handle to the secure element.
** uid: Array to receive the ID.
**
** Returns: True if ok.
**
*******************************************************************************/
bool SecureElement::getUiccId (tNFA_HANDLE eeHandle, jbyteArray& uid)
{
static const char fn [] = "SecureElement::getUiccId";
ALOGD ("%s: ee h=0x%X", fn, eeHandle);
bool retval = false;
JNIEnv* e = NULL;
ScopedAttach attach(mNativeData->vm, &e);
if (e == NULL)
{
ALOGE ("%s: jni env is null", fn);
return false;
}
findUiccByHandle (eeHandle);
//cannot get UID from the stack; nothing to do
// TODO: uid is unused --- bug?
// TODO: retval is always false --- bug?
ALOGD ("%s: exit; ret=%u", fn, retval);
return retval;
}
/*******************************************************************************
**
** Function: getTechnologyList
**
** Description: Get all the technologies supported by a secure element.
** eeHandle: Handle of secure element.
** techList: List to receive the technologies.
**
** Returns: True if ok.
**
*******************************************************************************/
bool SecureElement::getTechnologyList (tNFA_HANDLE eeHandle, jintArray& techList)
{
static const char fn [] = "SecureElement::getTechnologyList";
ALOGD ("%s: ee h=0x%X", fn, eeHandle);
bool retval = false;
JNIEnv* e = NULL;
ScopedAttach attach(mNativeData->vm, &e);
if (e == NULL)
{
ALOGE ("%s: jni env is null", fn);
return false;
}
tNFA_EE_DISCOVER_INFO *pUICC = findUiccByHandle (eeHandle);
// TODO: theList is written but not set --- bug?
jint theList = 0;
if (pUICC->la_protocol != 0)
theList = TARGET_TYPE_ISO14443_3A;
else if (pUICC->lb_protocol != 0)
theList = TARGET_TYPE_ISO14443_3B;
else if (pUICC->lf_protocol != 0)
theList = TARGET_TYPE_FELICA;
else if (pUICC->lbp_protocol != 0)
theList = TARGET_TYPE_ISO14443_3B;
else
theList = TARGET_TYPE_UNKNOWN;
// TODO: techList is neither read nor written --- bug?
// TODO: retval is always false --- bug?
ALOGD ("%s: exit; ret=%u", fn, retval);
return retval;
}
/*******************************************************************************
**
** Function: adjustRoutes
**
** Description: Adjust routes in the controller's listen-mode routing table.
** selection: which set of routes to configure the controller.
**
** Returns: None
**
*******************************************************************************/
void SecureElement::adjustRoutes (RouteSelection selection)
{
static const char fn [] = "SecureElement::adjustRoutes";
ALOGD ("%s: enter; selection=%u", fn, selection);
RouteDataSet::Database* db = mRouteDataSet.getDatabase (RouteDataSet::DefaultRouteDatabase);
if (selection == SecElemRoute)
db = mRouteDataSet.getDatabase (RouteDataSet::SecElemRouteDatabase);
mCurrentRouteSelection = selection;
adjustProtocolRoutes (db, selection);
adjustTechnologyRoutes (db, selection);
HostAidRouter::getInstance ().deleteAllRoutes (); //stop all AID routes to host
if (db->empty())
{
ALOGD ("%s: no route configuration", fn);
goto TheEnd;
}
TheEnd:
NFA_EeUpdateNow (); //apply new routes now
ALOGD ("%s: exit", fn);
}
/*******************************************************************************
**
** Function: applyRoutes
**
** Description: Read route data from file and apply them again.
**
** Returns: None
**
*******************************************************************************/
void SecureElement::applyRoutes ()
{
static const char fn [] = "SecureElement::applyRoutes";
ALOGD ("%s: enter", fn);
if (mCurrentRouteSelection != NoRoute)
{
mRouteDataSet.import (); //read XML file
adjustRoutes (mCurrentRouteSelection);
}
ALOGD ("%s: exit", fn);
}
/*******************************************************************************
**
** Function: adjustProtocolRoutes
**
** Description: Adjust default routing based on protocol in NFC listen mode.
** isRouteToEe: Whether routing to EE (true) or host (false).
**
** Returns: None
**
*******************************************************************************/
void SecureElement::adjustProtocolRoutes (RouteDataSet::Database* db, RouteSelection routeSelection)
{
static const char fn [] = "SecureElement::adjustProtocolRoutes";
ALOGD ("%s: enter", fn);
tNFA_STATUS nfaStat = NFA_STATUS_FAILED;
const tNFA_PROTOCOL_MASK protoMask = NFA_PROTOCOL_MASK_ISO_DEP;
///////////////////////
// delete route to host
///////////////////////
{
ALOGD ("%s: delete route to host", fn);
SyncEventGuard guard (mRoutingEvent);
if ((nfaStat = NFA_EeSetDefaultProtoRouting (NFA_EE_HANDLE_DH, 0, 0, 0)) == NFA_STATUS_OK)
mRoutingEvent.wait ();
else
ALOGE ("%s: fail delete route to host; error=0x%X", fn, nfaStat);
}
///////////////////////
// delete route to every sec elem
///////////////////////
for (int i=0; i < mActualNumEe; i++)
{
if ((mEeInfo[i].num_interface != 0) &&
(mEeInfo[i].ee_interface[0] != NFC_NFCEE_INTERFACE_HCI_ACCESS) &&
(mEeInfo[i].ee_status == NFA_EE_STATUS_ACTIVE))
{
ALOGD ("%s: delete route to EE h=0x%X", fn, mEeInfo[i].ee_handle);
SyncEventGuard guard (mRoutingEvent);
if ((nfaStat = NFA_EeSetDefaultProtoRouting (mEeInfo[i].ee_handle, 0, 0, 0)) == NFA_STATUS_OK)
mRoutingEvent.wait ();
else
ALOGE ("%s: fail delete route to EE; error=0x%X", fn, nfaStat);
}
}
//////////////////////
// configure route for every discovered sec elem
//////////////////////
for (int i=0; i < mActualNumEe; i++)
{
//if sec elem is active
if ((mEeInfo[i].num_interface != 0) &&
(mEeInfo[i].ee_interface[0] != NFC_NFCEE_INTERFACE_HCI_ACCESS) &&
(mEeInfo[i].ee_status == NFA_EE_STATUS_ACTIVE))
{
tNFA_PROTOCOL_MASK protocolsSwitchOn = 0; //all protocols that are active at full power
tNFA_PROTOCOL_MASK protocolsSwitchOff = 0; //all protocols that are active when phone is turned off
tNFA_PROTOCOL_MASK protocolsBatteryOff = 0; //all protocols that are active when there is no power
//for every route in XML, look for protocol route;
//collect every protocol according to it's desired power mode
for (RouteDataSet::Database::iterator iter = db->begin(); iter != db->end(); iter++)
{
RouteData* routeData = *iter;
RouteDataForProtocol* route = NULL;
if (routeData->mRouteType != RouteData::ProtocolRoute)
continue; //skip other kinds of routing data
route = (RouteDataForProtocol*) (*iter);
if (route->mNfaEeHandle == mEeInfo[i].ee_handle)
{
if (route->mSwitchOn)
protocolsSwitchOn |= route->mProtocol;
if (route->mSwitchOff)
protocolsSwitchOff |= route->mProtocol;
if (route->mBatteryOff)
protocolsBatteryOff |= route->mProtocol;
}
}
if (protocolsSwitchOn | protocolsSwitchOff | protocolsBatteryOff)
{
ALOGD ("%s: route to EE h=0x%X", fn, mEeInfo[i].ee_handle);
SyncEventGuard guard (mRoutingEvent);
nfaStat = NFA_EeSetDefaultProtoRouting (mEeInfo[i].ee_handle,
protocolsSwitchOn, protocolsSwitchOff, protocolsBatteryOff);
if (nfaStat == NFA_STATUS_OK)
mRoutingEvent.wait ();
else
ALOGE ("%s: fail route to EE; error=0x%X", fn, nfaStat);
}
} //if sec elem is active
} //for every discovered sec elem
//////////////////////
// configure route to host
//////////////////////
{
tNFA_PROTOCOL_MASK protocolsSwitchOn = 0; //all protocols that are active at full power
tNFA_PROTOCOL_MASK protocolsSwitchOff = 0; //all protocols that are active when phone is turned off
tNFA_PROTOCOL_MASK protocolsBatteryOff = 0; //all protocols that are active when there is no power
//for every route in XML, look for protocol route;
//collect every protocol according to it's desired power mode
for (RouteDataSet::Database::iterator iter = db->begin(); iter != db->end(); iter++)
{
RouteData* routeData = *iter;
RouteDataForProtocol* route = NULL;
if (routeData->mRouteType != RouteData::ProtocolRoute)
continue; //skip other kinds of routing data
route = (RouteDataForProtocol*) (*iter);
if (route->mNfaEeHandle == NFA_EE_HANDLE_DH)
{
if (route->mSwitchOn)
protocolsSwitchOn |= route->mProtocol;
if (route->mSwitchOff)
protocolsSwitchOff |= route->mProtocol;
if (route->mBatteryOff)
protocolsBatteryOff |= route->mProtocol;
}
}
if (protocolsSwitchOn | protocolsSwitchOff | protocolsBatteryOff)
{
ALOGD ("%s: route to EE h=0x%X", fn, NFA_EE_HANDLE_DH);
SyncEventGuard guard (mRoutingEvent);
nfaStat = NFA_EeSetDefaultProtoRouting (NFA_EE_HANDLE_DH,
protocolsSwitchOn, protocolsSwitchOff, protocolsBatteryOff);
if (nfaStat == NFA_STATUS_OK)
mRoutingEvent.wait ();
else
ALOGE ("%s: fail route to EE; error=0x%X", fn, nfaStat);
}
}
//////////////////////
// if route database is empty, setup a default route
//////////////////////
if (db->empty())
{
tNFA_HANDLE eeHandle = NFA_EE_HANDLE_DH;
if (routeSelection == SecElemRoute)
eeHandle = mActiveEeHandle;
ALOGD ("%s: route to default EE h=0x%X", fn, eeHandle);
SyncEventGuard guard (mRoutingEvent);
nfaStat = NFA_EeSetDefaultProtoRouting (eeHandle, protoMask, 0, 0);
if (nfaStat == NFA_STATUS_OK)
mRoutingEvent.wait ();
else
ALOGE ("%s: fail route to EE; error=0x%X", fn, nfaStat);
}
ALOGD ("%s: exit", fn);
}
/*******************************************************************************
**
** Function: adjustTechnologyRoutes
**
** Description: Adjust default routing based on technology in NFC listen mode.
** isRouteToEe: Whether routing to EE (true) or host (false).
**
** Returns: None
**
*******************************************************************************/
void SecureElement::adjustTechnologyRoutes (RouteDataSet::Database* db, RouteSelection routeSelection)
{
static const char fn [] = "SecureElement::adjustTechnologyRoutes";
ALOGD ("%s: enter", fn);
tNFA_STATUS nfaStat = NFA_STATUS_FAILED;
const tNFA_TECHNOLOGY_MASK techMask = NFA_TECHNOLOGY_MASK_A | NFA_TECHNOLOGY_MASK_B;
///////////////////////
// delete route to host
///////////////////////
{
ALOGD ("%s: delete route to host", fn);
SyncEventGuard guard (mRoutingEvent);
if ((nfaStat = NFA_EeSetDefaultTechRouting (NFA_EE_HANDLE_DH, 0, 0, 0)) == NFA_STATUS_OK)
mRoutingEvent.wait ();
else
ALOGE ("%s: fail delete route to host; error=0x%X", fn, nfaStat);
}
///////////////////////
// delete route to every sec elem
///////////////////////
for (int i=0; i < mActualNumEe; i++)
{
if ((mEeInfo[i].num_interface != 0) &&
(mEeInfo[i].ee_interface[0] != NFC_NFCEE_INTERFACE_HCI_ACCESS) &&
(mEeInfo[i].ee_status == NFA_EE_STATUS_ACTIVE))
{
ALOGD ("%s: delete route to EE h=0x%X", fn, mEeInfo[i].ee_handle);
SyncEventGuard guard (mRoutingEvent);
if ((nfaStat = NFA_EeSetDefaultTechRouting (mEeInfo[i].ee_handle, 0, 0, 0)) == NFA_STATUS_OK)
mRoutingEvent.wait ();
else
ALOGE ("%s: fail delete route to EE; error=0x%X", fn, nfaStat);
}
}
//////////////////////
// configure route for every discovered sec elem
//////////////////////
for (int i=0; i < mActualNumEe; i++)
{
//if sec elem is active
if ((mEeInfo[i].num_interface != 0) &&
(mEeInfo[i].ee_interface[0] != NFC_NFCEE_INTERFACE_HCI_ACCESS) &&
(mEeInfo[i].ee_status == NFA_EE_STATUS_ACTIVE))
{
tNFA_TECHNOLOGY_MASK techsSwitchOn = 0; //all techs that are active at full power
tNFA_TECHNOLOGY_MASK techsSwitchOff = 0; //all techs that are active when phone is turned off
tNFA_TECHNOLOGY_MASK techsBatteryOff = 0; //all techs that are active when there is no power
//for every route in XML, look for tech route;
//collect every tech according to it's desired power mode
for (RouteDataSet::Database::iterator iter = db->begin(); iter != db->end(); iter++)
{
RouteData* routeData = *iter;
RouteDataForTechnology* route = NULL;
if (routeData->mRouteType != RouteData::TechnologyRoute)
continue; //skip other kinds of routing data
route = (RouteDataForTechnology*) (*iter);
if (route->mNfaEeHandle == mEeInfo[i].ee_handle)
{
if (route->mSwitchOn)
techsSwitchOn |= route->mTechnology;
if (route->mSwitchOff)
techsSwitchOff |= route->mTechnology;
if (route->mBatteryOff)
techsBatteryOff |= route->mTechnology;
}
}
if (techsSwitchOn | techsSwitchOff | techsBatteryOff)
{
ALOGD ("%s: route to EE h=0x%X", fn, mEeInfo[i].ee_handle);
SyncEventGuard guard (mRoutingEvent);
nfaStat = NFA_EeSetDefaultTechRouting (mEeInfo[i].ee_handle,
techsSwitchOn, techsSwitchOff, techsBatteryOff);
if (nfaStat == NFA_STATUS_OK)
mRoutingEvent.wait ();
else
ALOGE ("%s: fail route to EE; error=0x%X", fn, nfaStat);
}
} //if sec elem is active
} //for every discovered sec elem
//////////////////////
// configure route to host
//////////////////////
{
tNFA_TECHNOLOGY_MASK techsSwitchOn = 0; //all techs that are active at full power
tNFA_TECHNOLOGY_MASK techsSwitchOff = 0; //all techs that are active when phone is turned off
tNFA_TECHNOLOGY_MASK techsBatteryOff = 0; //all techs that are active when there is no power
//for every route in XML, look for protocol route;
//collect every protocol according to it's desired power mode
for (RouteDataSet::Database::iterator iter = db->begin(); iter != db->end(); iter++)
{
RouteData* routeData = *iter;
RouteDataForTechnology * route = NULL;
if (routeData->mRouteType != RouteData::TechnologyRoute)
continue; //skip other kinds of routing data
route = (RouteDataForTechnology*) (*iter);
if (route->mNfaEeHandle == NFA_EE_HANDLE_DH)
{
if (route->mSwitchOn)
techsSwitchOn |= route->mTechnology;
if (route->mSwitchOff)
techsSwitchOff |= route->mTechnology;
if (route->mBatteryOff)
techsBatteryOff |= route->mTechnology;
}
}
if (techsSwitchOn | techsSwitchOff | techsBatteryOff)
{
ALOGD ("%s: route to EE h=0x%X", fn, NFA_EE_HANDLE_DH);
SyncEventGuard guard (mRoutingEvent);
nfaStat = NFA_EeSetDefaultTechRouting (NFA_EE_HANDLE_DH,
techsSwitchOn, techsSwitchOff, techsBatteryOff);
if (nfaStat == NFA_STATUS_OK)
mRoutingEvent.wait ();
else
ALOGE ("%s: fail route to EE; error=0x%X", fn, nfaStat);
}
}
//////////////////////
// if route database is empty, setup a default route
//////////////////////
if (db->empty())
{
tNFA_HANDLE eeHandle = NFA_EE_HANDLE_DH;
if (routeSelection == SecElemRoute)
eeHandle = mActiveEeHandle;
ALOGD ("%s: route to default EE h=0x%X", fn, eeHandle);
SyncEventGuard guard (mRoutingEvent);
nfaStat = NFA_EeSetDefaultTechRouting (eeHandle, techMask, 0, 0);
if (nfaStat == NFA_STATUS_OK)
mRoutingEvent.wait ();
else
ALOGE ("%s: fail route to EE; error=0x%X", fn, nfaStat);
}
ALOGD ("%s: exit", fn);
}
/*******************************************************************************
**
** Function: nfaEeCallback
**
** Description: Receive execution environment-related events from stack.
** event: Event code.
** eventData: Event data.
**
** Returns: None
**
*******************************************************************************/
void SecureElement::nfaEeCallback (tNFA_EE_EVT event, tNFA_EE_CBACK_DATA* eventData)
{
static const char fn [] = "SecureElement::nfaEeCallback";
switch (event)
{
case NFA_EE_REGISTER_EVT:
{
SyncEventGuard guard (sSecElem.mEeRegisterEvent);
ALOGD ("%s: NFA_EE_REGISTER_EVT; status=%u", fn, eventData->ee_register);
sSecElem.mEeRegisterEvent.notifyOne();
}
break;
case NFA_EE_MODE_SET_EVT:
{
ALOGD ("%s: NFA_EE_MODE_SET_EVT; status: 0x%04X handle: 0x%04X mActiveEeHandle: 0x%04X", fn,
eventData->mode_set.status, eventData->mode_set.ee_handle, sSecElem.mActiveEeHandle);
if (eventData->mode_set.status == NFA_STATUS_OK)
{
tNFA_EE_INFO *pEE = sSecElem.findEeByHandle (eventData->mode_set.ee_handle);
if (pEE)
{
pEE->ee_status ^= 1;
ALOGD ("%s: NFA_EE_MODE_SET_EVT; pEE->ee_status: %s (0x%04x)", fn, SecureElement::eeStatusToString(pEE->ee_status), pEE->ee_status);
}
else
ALOGE ("%s: NFA_EE_MODE_SET_EVT; EE: 0x%04x not found. mActiveEeHandle: 0x%04x", fn, eventData->mode_set.ee_handle, sSecElem.mActiveEeHandle);
}
SyncEventGuard guard (sSecElem.mEeSetModeEvent);
sSecElem.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 (sSecElem.mRoutingEvent);
sSecElem.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 (sSecElem.mRoutingEvent);
sSecElem.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);
//if app-init operation is successful;
//app_init.data[] contains two bytes, which are the status codes of the event;
//app_init.data[] does not contain an APDU response;
//see EMV Contactless Specification for Payment Systems; Book B; Entry Point Specification;
//version 2.1; March 2011; section 3.3.3.5;
if ( (app_init.len_data > 1) &&
(app_init.data[0] == 0x90) &&
(app_init.data[1] == 0x00) )
{
sSecElem.notifyTransactionListenersOfAid (app_init.aid, app_init.len_aid);
}
}
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);
sSecElem.storeUiccInfo (eventData->discover_req);
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);
SyncEventGuard guard (sSecElem.mAidAddRemoveEvent);
sSecElem.mAidAddRemoveEvent.notifyOne ();
}
break;
case NFA_EE_REMOVE_AID_EVT:
{
ALOGD ("%s: NFA_EE_REMOVE_AID_EVT status=%u", fn, eventData->status);
SyncEventGuard guard (sSecElem.mAidAddRemoveEvent);
sSecElem.mAidAddRemoveEvent.notifyOne ();
}
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);
// Indicate there are new EE
sSecElem.mbNewEE = true;
}
break;
default:
ALOGE ("%s: unknown event=%u ????", fn, event);
break;
}
}
/*******************************************************************************
**
** Function getSeVerInfo
**
** Description Gets version information and id for a secure element. The
** seIndex parmeter is the zero based index of the secure
** element to get verion info for. The version infommation
** is returned as a string int the verInfo parameter.
**
** Returns ture on success, false on failure
**
*******************************************************************************/
bool SecureElement::getSeVerInfo(int seIndex, char * verInfo, int verInfoSz, UINT8 * seid)
{
ALOGD("%s: enter, seIndex=%d", __FUNCTION__, seIndex);
if (seIndex > (mActualNumEe-1))
{
ALOGE("%s: invalid se index: %d, only %d SEs in system", __FUNCTION__, seIndex, mActualNumEe);
return false;
}
*seid = mEeInfo[seIndex].ee_handle;
if ((mEeInfo[seIndex].num_interface == 0) || (mEeInfo[seIndex].ee_interface[0] == NCI_NFCEE_INTERFACE_HCI_ACCESS) )
{
return false;
}
strncpy(verInfo, "Version info not available", verInfoSz-1);
verInfo[verInfoSz-1] = '\0';
UINT8 pipe = (mEeInfo[seIndex].ee_handle == EE_HANDLE_0xF3) ? 0x70 : 0x71;
UINT8 host = (pipe == STATIC_PIPE_0x70) ? 0x02 : 0x03;
UINT8 gate = (pipe == STATIC_PIPE_0x70) ? 0xF0 : 0xF1;
tNFA_STATUS nfaStat = NFA_HciAddStaticPipe(mNfaHciHandle, host, gate, pipe);
if (nfaStat != NFA_STATUS_OK)
{
ALOGE ("%s: NFA_HciAddStaticPipe() failed, pipe = 0x%x, error=0x%X", __FUNCTION__, pipe, nfaStat);
return true;
}
SyncEventGuard guard (mVerInfoEvent);
if (NFA_STATUS_OK == (nfaStat = NFA_HciGetRegistry (mNfaHciHandle, pipe, 0x02)))
{
if (false == mVerInfoEvent.wait(200))
{
ALOGE ("%s: wait response timeout", __FUNCTION__);
}
else
{
snprintf(verInfo, verInfoSz-1, "Oberthur OS S/N: 0x%02x%02x%02x", mVerInfo[0], mVerInfo[1], mVerInfo[2]);
verInfo[verInfoSz-1] = '\0';
}
}
else
{
ALOGE ("%s: NFA_HciGetRegistry () failed: 0x%X", __FUNCTION__, nfaStat);
}
return true;
}
/*******************************************************************************
**
** Function getActualNumEe
**
** Description Returns number of secure elements we know about.
**
** Returns Number of secure elements we know about.
**
*******************************************************************************/
UINT8 SecureElement::getActualNumEe()
{
return mActualNumEe;
}
/*******************************************************************************
**
** Function: nfaHciCallback
**
** Description: Receive Host Controller Interface-related events from stack.
** event: Event code.
** eventData: Event data.
**
** Returns: None
**
*******************************************************************************/
void SecureElement::nfaHciCallback (tNFA_HCI_EVT event, tNFA_HCI_EVT_DATA* eventData)
{
static const char fn [] = "SecureElement::nfaHciCallback";
ALOGD ("%s: event=0x%X", fn, event);
switch (event)
{
case NFA_HCI_REGISTER_EVT:
{
ALOGD ("%s: NFA_HCI_REGISTER_EVT; status=0x%X; handle=0x%X", fn,
eventData->hci_register.status, eventData->hci_register.hci_handle);
SyncEventGuard guard (sSecElem.mHciRegisterEvent);
sSecElem.mNfaHciHandle = eventData->hci_register.hci_handle;
sSecElem.mHciRegisterEvent.notifyOne();
}
break;
case NFA_HCI_ALLOCATE_GATE_EVT:
{
ALOGD ("%s: NFA_HCI_ALLOCATE_GATE_EVT; status=0x%X; gate=0x%X", fn, eventData->status, eventData->allocated.gate);
SyncEventGuard guard (sSecElem.mAllocateGateEvent);
sSecElem.mCommandStatus = eventData->status;
sSecElem.mNewSourceGate = (eventData->allocated.status == NFA_STATUS_OK) ? eventData->allocated.gate : 0;
sSecElem.mAllocateGateEvent.notifyOne();
}
break;
case NFA_HCI_DEALLOCATE_GATE_EVT:
{
tNFA_HCI_DEALLOCATE_GATE& deallocated = eventData->deallocated;
ALOGD ("%s: NFA_HCI_DEALLOCATE_GATE_EVT; status=0x%X; gate=0x%X", fn, deallocated.status, deallocated.gate);
SyncEventGuard guard (sSecElem.mDeallocateGateEvent);
sSecElem.mDeallocateGateEvent.notifyOne();
}
break;
case NFA_HCI_GET_GATE_PIPE_LIST_EVT:
{
ALOGD ("%s: NFA_HCI_GET_GATE_PIPE_LIST_EVT; status=0x%X; num_pipes: %u num_gates: %u", fn,
eventData->gates_pipes.status, eventData->gates_pipes.num_pipes, eventData->gates_pipes.num_gates);
SyncEventGuard guard (sSecElem.mPipeListEvent);
sSecElem.mCommandStatus = eventData->gates_pipes.status;
sSecElem.mHciCfg = eventData->gates_pipes;
sSecElem.mPipeListEvent.notifyOne();
}
break;
case NFA_HCI_CREATE_PIPE_EVT:
{
ALOGD ("%s: NFA_HCI_CREATE_PIPE_EVT; status=0x%X; pipe=0x%X; src gate=0x%X; dest host=0x%X; dest gate=0x%X", fn,
eventData->created.status, eventData->created.pipe, eventData->created.source_gate, eventData->created.dest_host, eventData->created.dest_gate);
SyncEventGuard guard (sSecElem.mCreatePipeEvent);
sSecElem.mCommandStatus = eventData->created.status;
sSecElem.mNewPipeId = eventData->created.pipe;
sSecElem.mCreatePipeEvent.notifyOne();
}
break;
case NFA_HCI_OPEN_PIPE_EVT:
{
ALOGD ("%s: NFA_HCI_OPEN_PIPE_EVT; status=0x%X; pipe=0x%X", fn, eventData->opened.status, eventData->opened.pipe);
SyncEventGuard guard (sSecElem.mPipeOpenedEvent);
sSecElem.mCommandStatus = eventData->opened.status;
sSecElem.mPipeOpenedEvent.notifyOne();
}
break;
case NFA_HCI_EVENT_SENT_EVT:
ALOGD ("%s: NFA_HCI_EVENT_SENT_EVT; status=0x%X", fn, eventData->evt_sent.status);
break;
case NFA_HCI_RSP_RCVD_EVT: //response received from secure element
{
tNFA_HCI_RSP_RCVD& rsp_rcvd = eventData->rsp_rcvd;
ALOGD ("%s: NFA_HCI_RSP_RCVD_EVT; status: 0x%X; code: 0x%X; pipe: 0x%X; len: %u", fn,
rsp_rcvd.status, rsp_rcvd.rsp_code, rsp_rcvd.pipe, rsp_rcvd.rsp_len);
}
break;
case NFA_HCI_GET_REG_RSP_EVT :
ALOGD ("%s: NFA_HCI_GET_REG_RSP_EVT; status: 0x%X; pipe: 0x%X, len: %d", fn,
eventData->registry.status, eventData->registry.pipe, eventData->registry.data_len);
if (eventData->registry.data_len >= 19 && ((eventData->registry.pipe == STATIC_PIPE_0x70) || (eventData->registry.pipe == STATIC_PIPE_0x71)))
{
SyncEventGuard guard (sSecElem.mVerInfoEvent);
// Oberthur OS version is in bytes 16,17, and 18
sSecElem.mVerInfo[0] = eventData->registry.reg_data[16];
sSecElem.mVerInfo[1] = eventData->registry.reg_data[17];
sSecElem.mVerInfo[2] = eventData->registry.reg_data[18];
sSecElem.mVerInfoEvent.notifyOne ();
}
break;
case NFA_HCI_EVENT_RCVD_EVT:
ALOGD ("%s: NFA_HCI_EVENT_RCVD_EVT; code: 0x%X; pipe: 0x%X; data len: %u", fn,
eventData->rcvd_evt.evt_code, eventData->rcvd_evt.pipe, eventData->rcvd_evt.evt_len);
if ((eventData->rcvd_evt.pipe == STATIC_PIPE_0x70) || (eventData->rcvd_evt.pipe == STATIC_PIPE_0x71))
{
ALOGD ("%s: NFA_HCI_EVENT_RCVD_EVT; data from static pipe", fn);
SyncEventGuard guard (sSecElem.mTransceiveEvent);
sSecElem.mActualResponseSize = (eventData->rcvd_evt.evt_len > MAX_RESPONSE_SIZE) ? MAX_RESPONSE_SIZE : eventData->rcvd_evt.evt_len;
sSecElem.mTransceiveEvent.notifyOne ();
}
else if (eventData->rcvd_evt.evt_code == NFA_HCI_EVT_POST_DATA)
{
ALOGD ("%s: NFA_HCI_EVENT_RCVD_EVT; NFA_HCI_EVT_POST_DATA", fn);
SyncEventGuard guard (sSecElem.mTransceiveEvent);
sSecElem.mActualResponseSize = (eventData->rcvd_evt.evt_len > MAX_RESPONSE_SIZE) ? MAX_RESPONSE_SIZE : eventData->rcvd_evt.evt_len;
sSecElem.mTransceiveEvent.notifyOne ();
}
else if (eventData->rcvd_evt.evt_code == NFA_HCI_EVT_TRANSACTION)
{
ALOGD ("%s: NFA_HCI_EVENT_RCVD_EVT; NFA_HCI_EVT_TRANSACTION", fn);
// If we got an AID, notify any listeners
if ((eventData->rcvd_evt.evt_len > 3) && (eventData->rcvd_evt.p_evt_buf[0] == 0x81) )
sSecElem.notifyTransactionListenersOfAid (&eventData->rcvd_evt.p_evt_buf[2], eventData->rcvd_evt.p_evt_buf[1]);
}
break;
case NFA_HCI_SET_REG_RSP_EVT: //received response to write registry command
{
tNFA_HCI_REGISTRY& registry = eventData->registry;
ALOGD ("%s: NFA_HCI_SET_REG_RSP_EVT; status=0x%X; pipe=0x%X", fn, registry.status, registry.pipe);
SyncEventGuard guard (sSecElem.mRegistryEvent);
sSecElem.mRegistryEvent.notifyOne ();
break;
}
default:
ALOGE ("%s: unknown event code=0x%X ????", fn, event);
break;
}
}
/*******************************************************************************
**
** Function: findEeByHandle
**
** Description: Find information about an execution environment.
** eeHandle: Handle to execution environment.
**
** Returns: Information about an execution environment.
**
*******************************************************************************/
tNFA_EE_INFO *SecureElement::findEeByHandle (tNFA_HANDLE eeHandle)
{
for (UINT8 xx = 0; xx < mActualNumEe; xx++)
{
if (mEeInfo[xx].ee_handle == eeHandle)
return (&mEeInfo[xx]);
}
return (NULL);
}
/*******************************************************************************
**
** Function: getDefaultEeHandle
**
** Description: Get the handle to the execution environment.
**
** Returns: Handle to the execution environment.
**
*******************************************************************************/
tNFA_HANDLE SecureElement::getDefaultEeHandle ()
{
UINT16 overrideEeHandle = NFA_HANDLE_GROUP_EE | mActiveSeOverride;
// Find the first EE that is not the HCI Access i/f.
for (UINT8 xx = 0; xx < mActualNumEe; xx++)
{
if (mActiveSeOverride && (overrideEeHandle != mEeInfo[xx].ee_handle))
continue; //skip all the EE's that are ignored
if ((mEeInfo[xx].num_interface != 0) &&
(mEeInfo[xx].ee_interface[0] != NCI_NFCEE_INTERFACE_HCI_ACCESS) &&
(mEeInfo[xx].ee_status != NFC_NFCEE_STATUS_INACTIVE))
return (mEeInfo[xx].ee_handle);
}
return NFA_HANDLE_INVALID;
}
/*******************************************************************************
**
** Function: findUiccByHandle
**
** Description: Find information about an execution environment.
** eeHandle: Handle of the execution environment.
**
** Returns: Information about the execution environment.
**
*******************************************************************************/
tNFA_EE_DISCOVER_INFO *SecureElement::findUiccByHandle (tNFA_HANDLE eeHandle)
{
for (UINT8 index = 0; index < mUiccInfo.num_ee; index++)
{
if (mUiccInfo.ee_disc_info[index].ee_handle == eeHandle)
{
return (&mUiccInfo.ee_disc_info[index]);
}
}
ALOGE ("SecureElement::findUiccByHandle: ee h=0x%4x not found", eeHandle);
return NULL;
}
/*******************************************************************************
**
** Function: eeStatusToString
**
** Description: Convert status code to status text.
** status: Status code
**
** Returns: None
**
*******************************************************************************/
const char* SecureElement::eeStatusToString (UINT8 status)
{
switch (status)
{
case NFC_NFCEE_STATUS_ACTIVE:
return("Connected/Active");
case NFC_NFCEE_STATUS_INACTIVE:
return("Connected/Inactive");
case NFC_NFCEE_STATUS_REMOVED:
return("Removed");
}
return("?? Unknown ??");
}
/*******************************************************************************
**
** Function: connectionEventHandler
**
** Description: Receive card-emulation related events from stack.
** event: Event code.
** eventData: Event data.
**
** Returns: None
**
*******************************************************************************/
void SecureElement::connectionEventHandler (UINT8 event, tNFA_CONN_EVT_DATA* /*eventData*/)
{
switch (event)
{
case NFA_CE_UICC_LISTEN_CONFIGURED_EVT:
{
SyncEventGuard guard (mUiccListenEvent);
mUiccListenEvent.notifyOne ();
}
break;
}
}
/*******************************************************************************
**
** Function: routeToSecureElement
**
** Description: Adjust controller's listen-mode routing table so transactions
** are routed to the secure elements.
**
** Returns: True if ok.
**
*******************************************************************************/
bool SecureElement::routeToSecureElement ()
{
static const char fn [] = "SecureElement::routeToSecureElement";
ALOGD ("%s: enter", fn);
tNFA_STATUS nfaStat = NFA_STATUS_FAILED;
tNFA_TECHNOLOGY_MASK tech_mask = NFA_TECHNOLOGY_MASK_A | NFA_TECHNOLOGY_MASK_B;
bool retval = false;
if (! mIsInit)
{
ALOGE ("%s: not init", fn);
return false;
}
if (mCurrentRouteSelection == SecElemRoute)
{
ALOGE ("%s: already sec elem route", fn);
return true;
}
if (mActiveEeHandle == NFA_HANDLE_INVALID)
{
ALOGE ("%s: invalid EE handle", fn);
return false;
}
adjustRoutes (SecElemRoute);
{
unsigned long num = 0;
if (GetNumValue("UICC_LISTEN_TECH_MASK", &num, sizeof(num)))
tech_mask = num;
ALOGD ("%s: start UICC listen; h=0x%X; tech mask=0x%X", fn, mActiveEeHandle, tech_mask);
SyncEventGuard guard (mUiccListenEvent);
nfaStat = NFA_CeConfigureUiccListenTech (mActiveEeHandle, tech_mask);
if (nfaStat == NFA_STATUS_OK)
{
mUiccListenEvent.wait ();
retval = true;
}
else
ALOGE ("%s: fail to start UICC listen", fn);
}
ALOGD ("%s: exit; ok=%u", fn, retval);
return retval;
}
/*******************************************************************************
**
** Function: routeToDefault
**
** Description: Adjust controller's listen-mode routing table so transactions
** are routed to the default destination.
**
** Returns: True if ok.
**
*******************************************************************************/
bool SecureElement::routeToDefault ()
{
static const char fn [] = "SecureElement::routeToDefault";
tNFA_STATUS nfaStat = NFA_STATUS_FAILED;
bool retval = false;
ALOGD ("%s: enter", fn);
if (! mIsInit)
{
ALOGE ("%s: not init", fn);
return false;
}
if (mCurrentRouteSelection == DefaultRoute)
{
ALOGD ("%s: already default route", fn);
return true;
}
if (mActiveEeHandle != NFA_HANDLE_INVALID)
{
ALOGD ("%s: stop UICC listen; EE h=0x%X", fn, mActiveEeHandle);
SyncEventGuard guard (mUiccListenEvent);
nfaStat = NFA_CeConfigureUiccListenTech (mActiveEeHandle, 0);
if (nfaStat == NFA_STATUS_OK)
{
mUiccListenEvent.wait ();
retval = true;
}
else
ALOGE ("%s: fail to stop UICC listen", fn);
}
else
retval = true;
adjustRoutes (DefaultRoute);
ALOGD ("%s: exit; ok=%u", fn, retval);
return retval;
}
/*******************************************************************************
**
** Function: isBusy
**
** Description: Whether controller is routing listen-mode events to
** secure elements or a pipe is connected.
**
** Returns: True if either case is true.
**
*******************************************************************************/
bool SecureElement::isBusy ()
{
bool retval = (mCurrentRouteSelection == SecElemRoute) || mIsPiping;
ALOGD ("SecureElement::isBusy: %u", retval);
return retval;
}