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Commit b563e66a authored by Aman Gupta's avatar Aman Gupta Committed by Android (Google) Code Review
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Merge "Revert "If the phone crash try to clean up the channel which was kept... 

Merge "Revert "If the phone crash try to clean up the channel which was kept opened. If that fails then try to reuse the existing channel."" into main
parents 346713f3 61740541

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

+1 −2
Original line number Diff line number Diff line
@@ -133,8 +133,7 @@ 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(c, phoneId, ci, ISD_R_AID,

                              false /* supportExtendedApdu */);

        mApduSender = new ApduSender(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

+3 −81
Original line number Diff line number Diff line
@@ -17,13 +17,9 @@ 
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;
@@ -34,7 +30,6 @@ 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
@@ -57,9 +52,6 @@ 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);
@@ -74,9 +66,6 @@ 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.
@@ -86,17 +75,12 @@ public class ApduSender { 
    /**

     * @param aid The AID that will be used to open a logical channel to.

     */

    public ApduSender(Context context, int phoneId, CommandsInterface ci, String aid,

            boolean supportExtendedApdu) {

    public ApduSender(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();

    }



    /**
@@ -145,20 +129,6 @@ 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) {
@@ -173,15 +143,8 @@ 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(selectResponse, builder);

                    requestProvider.buildRequest(openChannelResponse.getSelectResponse(), builder);

                } catch (Throwable e) {

                    requestException = e;

                }
@@ -318,12 +281,6 @@ 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();

                }
@@ -336,39 +293,4 @@ 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

+1 −3
Original line number Diff line number Diff line
@@ -37,7 +37,6 @@ 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;
@@ -94,8 +93,7 @@ public class ApduSenderTest { 
        mResponseCaptor = new ResponseCaptor();

        mSelectResponse = null;



        mSender = new ApduSender(InstrumentationRegistry.getContext(), 0 /* phoneId= */,

                            mMockCi, AID, false /* supportExtendedApdu */);

        mSender = new ApduSender(mMockCi, AID, false /* supportExtendedApdu */);

        mLooper = TestableLooper.get(this);

    }