If the phone crash try to clean up the channel which was kept opened. If that... (e32a4eec) · Commits · e / os / android_frameworks_opt_telephony

src/java/com/android/internal/telephony/uicc/euicc/EuiccPort.java

+2 −1

Original line number	Diff line number	Diff line
		@@ -133,7 +133,8 @@ public class EuiccPort extends UiccPort {
		UiccCard card, MultipleEnabledProfilesMode supportedMepMode) {
		super(c, ci, ics, phoneId, lock, card);
		// TODO: Set supportExtendedApdu based on ATR.
		mApduSender = new ApduSender(ci, ISD_R_AID, false /* supportExtendedApdu */);
		mApduSender = new ApduSender(c, phoneId, ci, ISD_R_AID,
		false /* supportExtendedApdu */);
		if (TextUtils.isEmpty(ics.eid)) {
		loge("no eid given in constructor for phone " + phoneId);
		} else {

src/java/com/android/internal/telephony/uicc/euicc/apdu/ApduSender.java

+81 −3

Original line number	Diff line number	Diff line
		@@ -17,9 +17,13 @@
		package com.android.internal.telephony.uicc.euicc.apdu;

		import android.annotation.Nullable;
		import android.content.Context;
		import android.content.SharedPreferences;
		import android.os.Handler;
		import android.os.Looper;
		import android.preference.PreferenceManager;
		import android.telephony.IccOpenLogicalChannelResponse;
		import android.util.Base64;

		import com.android.internal.telephony.CommandsInterface;
		import com.android.internal.telephony.uicc.IccIoResult;
		@@ -30,6 +34,7 @@ import com.android.telephony.Rlog;
		import java.io.ByteArrayOutputStream;
		import java.io.IOException;
		import java.util.List;
		import java.util.NoSuchElementException;

		/**
		* This class sends a list of APDU commands to an AID on a UICC. A logical channel will be opened
		@@ -52,6 +57,9 @@ public class ApduSender {
		private static final int SW1_NO_ERROR = 0x91;

		private static final int WAIT_TIME_MS = 2000;
		private static final String CHANNEL_ID_PRE = "esim-channel";
		private static final String ISD_R_AID = "A0000005591010FFFFFFFF8900000100";
		private static final String CHANNEL_RESPONSE_ID_PRE = "esim-res-id";

		private static void logv(String msg) {
		Rlog.v(LOG_TAG, msg);
		@@ -66,6 +74,9 @@ public class ApduSender {
		private final OpenLogicalChannelInvocation mOpenChannel;
		private final CloseLogicalChannelInvocation mCloseChannel;
		private final TransmitApduLogicalChannelInvocation mTransmitApdu;
		private final Context mContext;
		private final String mChannelKey;
		private final String mChannelResponseKey;

		// Lock for accessing mChannelOpened. We only allow to open a single logical channel at any
		// time for an AID.
		@@ -75,12 +86,17 @@ public class ApduSender {
		/**
		* @param aid The AID that will be used to open a logical channel to.
		*/
		public ApduSender(CommandsInterface ci, String aid, boolean supportExtendedApdu) {
		public ApduSender(Context context, int phoneId, CommandsInterface ci, String aid,
		boolean supportExtendedApdu) {
		mAid = aid;
		mContext = context;
		mSupportExtendedApdu = supportExtendedApdu;
		mOpenChannel = new OpenLogicalChannelInvocation(ci);
		mCloseChannel = new CloseLogicalChannelInvocation(ci);
		mTransmitApdu = new TransmitApduLogicalChannelInvocation(ci);
		mChannelKey = CHANNEL_ID_PRE + "_" + phoneId;
		mChannelResponseKey = CHANNEL_RESPONSE_ID_PRE + "_" + phoneId;
		closeExistingChannelIfExists();
		}

		/**
		@@ -129,6 +145,20 @@ public class ApduSender {
		public void onResult(IccOpenLogicalChannelResponse openChannelResponse) {
		int channel = openChannelResponse.getChannel();
		int status = openChannelResponse.getStatus();
		byte[] selectResponse = openChannelResponse.getSelectResponse();
		if (mAid.equals(ISD_R_AID)
		&& status == IccOpenLogicalChannelResponse.STATUS_NO_SUCH_ELEMENT) {
		channel = PreferenceManager.getDefaultSharedPreferences(mContext)
		.getInt(mChannelKey, IccOpenLogicalChannelResponse.INVALID_CHANNEL);
		if (channel != IccOpenLogicalChannelResponse.INVALID_CHANNEL) {
		logv("Try to use already opened channel: " + channel);
		status = IccOpenLogicalChannelResponse.STATUS_NO_ERROR;
		String storedResponse = PreferenceManager
		.getDefaultSharedPreferences(mContext)
		.getString(mChannelResponseKey, "");
		selectResponse = Base64.decode(storedResponse, Base64.DEFAULT);
		}
		}
		if (channel == IccOpenLogicalChannelResponse.INVALID_CHANNEL
		\|\| status != IccOpenLogicalChannelResponse.STATUS_NO_ERROR) {
		synchronized (mChannelLock) {
		@@ -143,8 +173,15 @@ public class ApduSender {

		RequestBuilder builder = new RequestBuilder(channel, mSupportExtendedApdu);
		Throwable requestException = null;
		if (mAid.equals(ISD_R_AID)) {
		PreferenceManager.getDefaultSharedPreferences(mContext)
		.edit().putInt(mChannelKey, channel).apply();
		PreferenceManager.getDefaultSharedPreferences(mContext)
		.edit().putString(mChannelResponseKey,
		Base64.encodeToString(selectResponse, Base64.DEFAULT)).apply();
		}
		try {
		requestProvider.buildRequest(openChannelResponse.getSelectResponse(), builder);
		requestProvider.buildRequest(selectResponse, builder);
		} catch (Throwable e) {
		requestException = e;
		}
		@@ -267,6 +304,12 @@ public class ApduSender {
		@Override
		public void onResult(Boolean aBoolean) {
		synchronized (mChannelLock) {
		if (mAid.equals(ISD_R_AID)) {
		PreferenceManager.getDefaultSharedPreferences(mContext)
		.edit().remove(mChannelKey).apply();
		PreferenceManager.getDefaultSharedPreferences(mContext)
		.edit().remove(mChannelResponseKey).apply();
		}
		mChannelOpened = false;
		mChannelLock.notify();
		}
		@@ -279,4 +322,39 @@ public class ApduSender {
		}
		}, handler);
		}

		/**
		* Cleanup the existing opened channel which was remainined opened earlier due
		* to failure or crash.
		*/
		private void closeExistingChannelIfExists() {
		if (mCloseChannel != null) {
		int channelId = PreferenceManager.getDefaultSharedPreferences(mContext)
		.getInt(mChannelKey, IccOpenLogicalChannelResponse.INVALID_CHANNEL);
		if (channelId != IccOpenLogicalChannelResponse.INVALID_CHANNEL) {
		logv("Trying to clean up the opened channel : " + channelId);
		synchronized (mChannelLock) {
		mChannelOpened = true;
		mChannelLock.notify();
		}
		mCloseChannel.invoke(channelId, new AsyncResultCallback<Boolean>() {
		@Override
		public void onResult(Boolean isSuccess) {
		if (isSuccess) {
		logv("Channel closed successfully: " + channelId);
		PreferenceManager.getDefaultSharedPreferences(mContext)
		.edit().remove(mChannelResponseKey).apply();
		PreferenceManager.getDefaultSharedPreferences(mContext)
		.edit().remove(mChannelKey).apply();
		}

		synchronized (mChannelLock) {
		mChannelOpened = false;
		mChannelLock.notify();
		}
		}
		}, new Handler());
		}
		}
		}
		}

tests/telephonytests/src/com/android/internal/telephony/uicc/euicc/apdu/ApduSenderTest.java

+3 −1

Original line number	Diff line number	Diff line
		@@ -37,6 +37,7 @@ import com.android.internal.telephony.CommandException;
		import com.android.internal.telephony.CommandsInterface;
		import com.android.internal.telephony.uicc.IccIoResult;
		import com.android.internal.telephony.uicc.IccUtils;
		import androidx.test.InstrumentationRegistry;

		import org.junit.After;
		import org.junit.Before;
		@@ -93,7 +94,8 @@ public class ApduSenderTest {
		mResponseCaptor = new ResponseCaptor();
		mSelectResponse = null;

		mSender = new ApduSender(mMockCi, AID, false /* supportExtendedApdu */);
		mSender = new ApduSender(InstrumentationRegistry.getContext(), 0 /* phoneId= */,
		mMockCi, AID, false /* supportExtendedApdu */);
		mLooper = TestableLooper.get(this);
		}