Merge "Fetching IMSI from RUIM properly" (f7af0f9a) · Commits · e / os / android_frameworks_opt_telephony

src/java/com/android/internal/telephony/uicc/RuimRecords.java

100644 → 100755

+67 −68

Original line number	Diff line number	Diff line
		@@ -16,6 +16,7 @@

		package com.android.internal.telephony.uicc;

		import android.annotation.NonNull;
		import android.compat.annotation.UnsupportedAppUsage;
		import android.content.Context;
		import android.content.res.Resources;
		@@ -27,6 +28,7 @@ import android.telephony.SubscriptionManager;
		import android.text.TextUtils;
		import android.util.Log;

		import com.android.internal.annotations.VisibleForTesting;
		import com.android.internal.telephony.CommandsInterface;
		import com.android.internal.telephony.GsmAlphabet;
		import com.android.internal.telephony.MccTable;
		@@ -47,6 +49,7 @@ import java.util.Locale;
		*/
		public class RuimRecords extends IccRecords {
		static final String LOG_TAG = "RuimRecords";
		private final static int IMSI_MIN_LENGTH = 10;

		private boolean mOtaCommited=false;

		@@ -87,7 +90,6 @@ public class RuimRecords extends IccRecords {
		}

		// ***** Event Constants
		private static final int EVENT_GET_IMSI_DONE = 3;
		private static final int EVENT_GET_DEVICE_IDENTITY_DONE = 4;
		private static final int EVENT_GET_ICCID_DONE = 5;
		private static final int EVENT_GET_CDMA_SUBSCRIPTION_DONE = 10;
		@@ -198,16 +200,6 @@ public class RuimRecords extends IccRecords {
		}
		}

		@UnsupportedAppUsage
		private int adjstMinDigits (int digits) {
		// Per C.S0005 section 2.3.1.
		digits += 111;
		digits = (digits % 10 == 0)?(digits - 10):digits;
		digits = ((digits / 10) % 10 == 0)?(digits - 100):digits;
		digits = ((digits / 100) % 10 == 0)?(digits - 1000):digits;
		return digits;
		}

		/**
		* Returns the 5 or 6 digit MCC/MNC of the operator that
		* provided the RUIM card. Returns null of RUIM is not yet ready
		@@ -382,7 +374,11 @@ public class RuimRecords extends IccRecords {
		}
		}

		private class EfCsimImsimLoaded implements IccRecordLoaded {
		/**
		* Parses IMSI based on C.S0065 section 5.2.2 and C.S0005 section 2.3.1
		*/
		@VisibleForTesting
		public class EfCsimImsimLoaded implements IccRecordLoaded {
		@Override
		public String getEfName() {
		return "EF_CSIM_IMSIM";
		@@ -391,31 +387,74 @@ public class RuimRecords extends IccRecords {
		@Override
		public void onRecordLoaded(AsyncResult ar) {
		byte[] data = (byte[]) ar.result;
		if (VDBG) log("CSIM_IMSIM=" + IccUtils.bytesToHexString(data));
		if (data == null \|\| data.length < IMSI_MIN_LENGTH) {
		loge("Invalid IMSI from EF_CSIM_IMSIM");
		return;
		}
		if (DBG) log("data=" + Rlog.pii(LOG_TAG, IccUtils.bytesToHexString(data)));
		// C.S0065 section 5.2.2 for IMSI_M encoding
		// C.S0005 section 2.3.1 for MIN encoding in IMSI_M.
		boolean provisioned = ((data[7] & 0x80) == 0x80);

		if (provisioned) {
		final String imsi = decodeImsi(data);
		if (TextUtils.isEmpty(mImsi)) {
		mImsi = imsi;
		if (DBG) log("IMSI=" + Rlog.pii(LOG_TAG, mImsi));
		}
		mMin = imsi.substring(5, 15);
		if (DBG) log("min present=" + Rlog.pii(LOG_TAG, mMin));
		} else {
		if (DBG) log("min not present");
		}
		}

		private int decodeImsiDigits(int digits, int length) {
		// Per C.S0005 section 2.3.1.
		for (int i = 0, denominator = 1; i < length; i++) {
		digits += denominator;
		if ((digits / denominator) % 10 == 0) {
		digits = digits - (10 * denominator);
		}
		denominator *= 10;
		}
		return digits;
		}

		/**
		* Decode utility to decode IMSI from data read from EF_IMSIM
		* Please refer to
		* C.S0065 section 5.2.2 for IMSI_M encoding
		* C.S0005 section 2.3.1 for MIN encoding in IMSI_M.
		*/
		@VisibleForTesting
		@NonNull
		public String decodeImsi(byte[] data) {
		// Retrieve the MCC and digits 11 and 12
		int mcc_data = ((0x03 & data[9]) << 8) \| (0xFF & data[8]);
		int mcc = decodeImsiDigits(mcc_data, 3);
		int digits_11_12_data = data[6] & 0x7f;
		int digits_11_12 = decodeImsiDigits(digits_11_12_data, 2);

		// Retrieve 10 MIN digits
		int first3digits = ((0x03 & data[2]) << 8) + (0xFF & data[1]);
		int second3digits = (((0xFF & data[5]) << 8) \| (0xFF & data[4])) >> 6;
		int digit7 = 0x0F & (data[4] >> 2);
		if (digit7 > 0x09) digit7 = 0;
		int last3digits = ((0x03 & data[4]) << 8) \| (0xFF & data[3]);
		first3digits = adjstMinDigits(first3digits);
		second3digits = adjstMinDigits(second3digits);
		last3digits = adjstMinDigits(last3digits);

		first3digits = decodeImsiDigits(first3digits, 3);
		second3digits = decodeImsiDigits(second3digits, 3);
		last3digits = decodeImsiDigits(last3digits, 3);

		StringBuilder builder = new StringBuilder();
		builder.append(String.format(Locale.US, "%03d", mcc));
		builder.append(String.format(Locale.US, "%02d", digits_11_12));
		builder.append(String.format(Locale.US, "%03d", first3digits));
		builder.append(String.format(Locale.US, "%03d", second3digits));
		builder.append(String.format(Locale.US, "%d", digit7));
		builder.append(String.format(Locale.US, "%03d", last3digits));
		mMin = builder.toString();
		if (DBG) log("min present=" + Rlog.pii(LOG_TAG, mMin));
		} else {
		if (DBG) log("min not present");
		}
		return builder.toString();
		}
		}

		@@ -623,43 +662,6 @@ public class RuimRecords extends IccRecords {
		log("Event EVENT_GET_DEVICE_IDENTITY_DONE Received");
		break;

		/* IO events */
		case EVENT_GET_IMSI_DONE:
		isRecordLoadResponse = true;

		ar = (AsyncResult)msg.obj;
		if (ar.exception != null) {
		loge("Exception querying IMSI, Exception:" + ar.exception);
		break;
		}

		mImsi = (String) ar.result;

		// IMSI (MCC+MNC+MSIN) is at least 6 digits, but not more
		// than 15 (and usually 15).
		if (mImsi != null && (mImsi.length() < 6 \|\| mImsi.length() > 15)) {
		loge("invalid IMSI " + mImsi);
		mImsi = null;
		}

		// FIXME: CSIM IMSI may not contain the MNC.
		if (false) {
		log("IMSI: " + mImsi.substring(0, 6) + "xxxxxxxxx");

		String operatorNumeric = getRUIMOperatorNumeric();
		if (operatorNumeric != null) {
		if (operatorNumeric.length() <= 6) {
		log("update mccmnc=" + operatorNumeric);
		MccTable.updateMccMncConfiguration(mContext, operatorNumeric);
		}
		}
		} else {
		String operatorNumeric = getRUIMOperatorNumeric();
		log("NO update mccmnc=" + operatorNumeric);
		}

		break;

		case EVENT_GET_CDMA_SUBSCRIPTION_DONE:
		ar = (AsyncResult)msg.obj;
		String localTemp[] = (String[])ar.result;
		@@ -849,9 +851,6 @@ public class RuimRecords extends IccRecords {

		if (DBG) log("fetchRuimRecords " + mRecordsToLoad);

		mCi.getIMSIForApp(mParentApp.getAid(), obtainMessage(EVENT_GET_IMSI_DONE));
		mRecordsToLoad++;

		mFh.loadEFTransparent(EF_ICCID,
		obtainMessage(EVENT_GET_ICCID_DONE));
		mRecordsToLoad++;

src/java/com/android/internal/telephony/uicc/UiccProfile.java

+1 −7

Original line number	Diff line number	Diff line
		@@ -1564,13 +1564,7 @@ public class UiccProfile extends IccCard {
		* Returns number of applications on this card
		*/
		public int getNumApplications() {
		int count = 0;
		for (UiccCardApplication a : mUiccApplications) {
		if (a != null) {
		count++;
		}
		}
		return count;
		return mLastReportedNumOfUiccApplications;
		}

		/**

tests/telephonytests/src/com/android/internal/telephony/uicc/RuimRecordsTest.java

0 → 100755

+74 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (c) 2018, The Linux Foundation. All rights reserved.
		*/

		package com.android.internal.telephony.uicc;

		import android.content.Context;
		import android.os.AsyncResult;
		import android.os.HandlerThread;
		import com.android.internal.telephony.TelephonyTest;

		import static org.junit.Assert.*;
		import static org.mockito.Mockito.*;
		import org.junit.After;
		import org.junit.Before;
		import org.junit.Test;
		import org.mockito.MockitoAnnotations;


		public class RuimRecordsTest extends TelephonyTest {

		private RuimRecords mRuimRecords;

		private class RuimRecordsTestHandler extends HandlerThread {
		private RuimRecordsTestHandler(String name) {
		super(name);
		}

		@Override
		public void onLooperPrepared() {
		mRuimRecords = new RuimRecords(mUiccCardApplication3gpp2, mContext, mSimulatedCommands);
		setReady(true);
		}
		}

		@Before
		public void setUp() throws Exception {
		super.setUp(this.getClass().getSimpleName());
		new RuimRecordsTestHandler(TAG).start();
		waitUntilReady();
		}

		@After
		public void tearDown() throws Exception {
		super.tearDown();
		}

		@Test
		public void testCsimImsiLoaded() {
		RuimRecords.EfCsimImsimLoaded mImsiLoaded = mRuimRecords.new EfCsimImsimLoaded();
		AsyncResult ar = new AsyncResult(null, null, null);
		mImsiLoaded.onRecordLoaded(ar);
		String mccmnc = mRuimRecords.getRUIMOperatorNumeric();
		assertNull(mccmnc);

		byte[] byteArray = new byte[]{0, 19, 3, 75, 68, 88, 99, (byte)128, (byte)209, 0};
		AsyncResult ar2 = new AsyncResult(null, byteArray, null);
		mImsiLoaded.onRecordLoaded(ar2);
		mccmnc = mRuimRecords.getRUIMOperatorNumeric();
		assertNotNull(mccmnc);
		assertEquals("310008", mccmnc);
		}

		@Test
		public void testCsimImsiDecode() {
		RuimRecords.EfCsimImsimLoaded efCsimImsimLoaded = mRuimRecords.new EfCsimImsimLoaded();

		// mcc + mnc + min
		byte[] byteArray = new byte[]{0, 19, 3, 75, 68, 88, 99, (byte)128, (byte)209, 0};
		String imsi = efCsimImsimLoaded.decodeImsi(byteArray);

		assertEquals("310008984641186", imsi);
		}
		}