Merge "Added carrier_id support to the carrier_key table in CarrierInformation... (462d62a8) · Commits · e / os / android_frameworks_opt_telephony

src/java/com/android/internal/telephony/CarrierInfoManager.java

+59 −14

Original line number	Diff line number	Diff line
		@@ -69,6 +69,7 @@ public class CarrierInfoManager {
		public static ImsiEncryptionInfo getCarrierInfoForImsiEncryption(int keyType,
		Context context,
		String operatorNumeric,
		int carrierId,
		boolean fallback,
		int subId) {
		String mcc = "";
		@@ -88,7 +89,8 @@ public class CarrierInfoManager {
		ContentResolver mContentResolver = context.getContentResolver();
		String[] columns = {Telephony.CarrierColumns.PUBLIC_KEY,
		Telephony.CarrierColumns.EXPIRATION_TIME,
		Telephony.CarrierColumns.KEY_IDENTIFIER};
		Telephony.CarrierColumns.KEY_IDENTIFIER,
		Telephony.CarrierColumns.CARRIER_ID};
		findCursor = mContentResolver.query(Telephony.CarrierColumns.CONTENT_URI, columns,
		"mcc=? and mnc=? and key_type=?",
		new String[]{mcc, mnc, String.valueOf(keyType)}, null);
		@@ -141,16 +143,29 @@ public class CarrierInfoManager {
		Pair<PublicKey, Long> keyInfo =
		CarrierKeyDownloadManager.getKeyInformation(keyString.getBytes());
		return new ImsiEncryptionInfo(mcc, mnc, keyType, keyId,
		keyInfo.first, new Date(keyInfo.second));
		keyInfo.first, new Date(keyInfo.second), carrierId);
		}
		if (findCursor.getCount() > 1) {
		Log.e(LOG_TAG, "More than 1 row found for the keyType: " + keyType);
		// Lookup for the carrier_id
		String carrierIdStr = "";
		while (findCursor.moveToNext()) {
		carrierIdStr = findCursor.getString(3);
		int cursorCarrierId = (TextUtils.isEmpty(carrierIdStr))
		? TelephonyManager.UNKNOWN_CARRIER_ID : Integer.parseInt(
		carrierIdStr);
		if (cursorCarrierId != TelephonyManager.UNKNOWN_CARRIER_ID
		&& cursorCarrierId == carrierId) {
		return getImsiEncryptionInfo(findCursor, mcc, mnc, keyType,
		cursorCarrierId);
		}
		byte[] carrier_key = findCursor.getBlob(0);
		Date expirationTime = new Date(findCursor.getLong(1));
		String keyIdentifier = findCursor.getString(2);
		return new ImsiEncryptionInfo(mcc, mnc, keyType, keyIdentifier, carrier_key,
		expirationTime);
		}
		findCursor.moveToFirst();
		}
		String carrierIdStr = findCursor.getString(3);
		int cursorCarrierId = (TextUtils.isEmpty(carrierIdStr))
		? TelephonyManager.UNKNOWN_CARRIER_ID : Integer.parseInt(carrierIdStr);
		return getImsiEncryptionInfo(findCursor, mcc, mnc, keyType, cursorCarrierId);
		} catch (IllegalArgumentException e) {
		Log.e(LOG_TAG, "Bad arguments:" + e);
		} catch (Exception e) {
		@@ -163,6 +178,22 @@ public class CarrierInfoManager {
		return null;
		}

		private static ImsiEncryptionInfo getImsiEncryptionInfo(Cursor findCursor, String mcc,
		String mnc, int keyType, int carrierId) {
		byte[] carrier_key = findCursor.getBlob(0);
		Date expirationTime = new Date(findCursor.getLong(1));
		String keyIdentifier = findCursor.getString(2);
		ImsiEncryptionInfo imsiEncryptionInfo = null;
		try {
		imsiEncryptionInfo = new ImsiEncryptionInfo(mcc, mnc,
		keyType, keyIdentifier, carrier_key,
		expirationTime, carrierId);
		} catch (Exception exp) {
		Log.e(LOG_TAG, "Exception = " + exp.getMessage());
		}
		return imsiEncryptionInfo;
		}

		/**
		* Inserts or update the Carrier Key in the database
		* @param imsiEncryptionInfo ImsiEncryptionInfo object.
		@@ -178,6 +209,7 @@ public class CarrierInfoManager {
		ContentValues contentValues = new ContentValues();
		contentValues.put(Telephony.CarrierColumns.MCC, imsiEncryptionInfo.getMcc());
		contentValues.put(Telephony.CarrierColumns.MNC, imsiEncryptionInfo.getMnc());
		contentValues.put(Telephony.CarrierColumns.CARRIER_ID, imsiEncryptionInfo.getCarrierId());
		contentValues.put(Telephony.CarrierColumns.KEY_TYPE,
		imsiEncryptionInfo.getKeyType());
		contentValues.put(Telephony.CarrierColumns.KEY_IDENTIFIER,
		@@ -200,10 +232,11 @@ public class CarrierInfoManager {
		try {
		int nRows = mContentResolver.update(Telephony.CarrierColumns.CONTENT_URI,
		updatedValues,
		"mcc=? and mnc=? and key_type=?", new String[]{
		"mcc=? and mnc=? and key_type=? and carrier_id=?", new String[]{
		imsiEncryptionInfo.getMcc(),
		imsiEncryptionInfo.getMnc(),
		String.valueOf(imsiEncryptionInfo.getKeyType())});
		String.valueOf(imsiEncryptionInfo.getKeyType()),
		String.valueOf(imsiEncryptionInfo.getCarrierId())});
		if (nRows == 0) {
		Log.d(LOG_TAG, "Error updating values:" + imsiEncryptionInfo);
		downloadSuccessfull = false;
		@@ -260,7 +293,10 @@ public class CarrierInfoManager {
		Log.e(LOG_TAG, "Could not reset carrier keys, subscription for mPhoneId=" + mPhoneId);
		return;
		}
		deleteCarrierInfoForImsiEncryption(context, subIds[0]);
		final TelephonyManager telephonyManager = context.getSystemService(TelephonyManager.class)
		.createForSubscriptionId(subIds[0]);
		int carrierId = telephonyManager.getSimCarrierId();
		deleteCarrierInfoForImsiEncryption(context, subIds[0], carrierId);
		Intent resetIntent = new Intent(TelephonyIntents.ACTION_CARRIER_CERTIFICATE_DOWNLOAD);
		SubscriptionManager.putPhoneIdAndSubIdExtra(resetIntent, mPhoneId);
		context.sendBroadcastAsUser(resetIntent, UserHandle.ALL);
		@@ -269,11 +305,16 @@ public class CarrierInfoManager {
		/**
		* Deletes all the keys for a given Carrier from the device keystore.
		* @param context Context
		* @param subId
		* @param carrierId delete the key which matches the carrierId
		*
		*/
		public static void deleteCarrierInfoForImsiEncryption(Context context, int subId) {
		public static void deleteCarrierInfoForImsiEncryption(Context context, int subId,
		int carrierId) {
		Log.i(LOG_TAG, "deleting carrier key from db for subId=" + subId);
		String mcc = "";
		String mnc = "";

		final TelephonyManager telephonyManager = context.getSystemService(TelephonyManager.class)
		.createForSubscriptionId(subId);
		String simOperator = telephonyManager.getSimOperator();
		@@ -284,11 +325,15 @@ public class CarrierInfoManager {
		Log.e(LOG_TAG, "Invalid networkOperator: " + simOperator);
		return;
		}
		String carriedIdStr = String.valueOf(carrierId);
		ContentResolver mContentResolver = context.getContentResolver();
		try {
		String whereClause = "mcc=? and mnc=?";
		String[] whereArgs = new String[] { mcc, mnc };
		mContentResolver.delete(Telephony.CarrierColumns.CONTENT_URI, whereClause, whereArgs);
		String whereClause = "mcc=? and mnc=? and carrier_id=?";
		String[] whereArgs = new String[] { mcc, mnc, carriedIdStr };
		int count = mContentResolver.delete(Telephony.CarrierColumns.CONTENT_URI, whereClause,
		whereArgs);
		Log.i(LOG_TAG, "Deleting the number of entries = " + count + " for carrierId = "
		+ carriedIdStr);
		} catch (Exception e) {
		Log.e(LOG_TAG, "Delete failed" + e);
		}

src/java/com/android/internal/telephony/CarrierKeyDownloadManager.java

+54 −26

Original line number	Diff line number	Diff line
		@@ -32,6 +32,7 @@ import android.net.Uri;
		import android.os.Handler;
		import android.os.Message;
		import android.os.PersistableBundle;
		import android.provider.Telephony;
		import android.telephony.CarrierConfigManager;
		import android.telephony.ImsiEncryptionInfo;
		import android.telephony.SubscriptionManager;
		@@ -108,9 +109,12 @@ public class CarrierKeyDownloadManager extends Handler {
		public final DownloadManager mDownloadManager;
		private String mURL;
		private boolean mAllowedOverMeteredNetwork = false;
		private boolean mDeleteOldKeyAfterDownload = false;
		private TelephonyManager mTelephonyManager;

		@VisibleForTesting
		public String mMccMncForDownload;
		public int mCarrierId;
		@VisibleForTesting
		public long mDownloadId;

		@@ -123,6 +127,8 @@ public class CarrierKeyDownloadManager extends Handler {
		filter.addAction(TelephonyIntents.ACTION_CARRIER_CERTIFICATE_DOWNLOAD);
		mContext.registerReceiver(mBroadcastReceiver, filter, null, phone);
		mDownloadManager = (DownloadManager) mContext.getSystemService(Context.DOWNLOAD_SERVICE);
		mTelephonyManager = mContext.getSystemService(TelephonyManager.class)
		.createForSubscriptionId(mPhone.getSubId());
		}

		private final BroadcastReceiver mDownloadReceiver = new BroadcastReceiver() {
		@@ -174,8 +180,9 @@ public class CarrierKeyDownloadManager extends Handler {
		case EVENT_DOWNLOAD_COMPLETE:
		long carrierKeyDownloadIdentifier = (long) msg.obj;
		String currentMccMnc = getSimOperator();
		if (isValidDownload(currentMccMnc, carrierKeyDownloadIdentifier)) {
		onDownloadComplete(carrierKeyDownloadIdentifier, currentMccMnc);
		int carrierId = getSimCarrierId();
		if (isValidDownload(currentMccMnc, carrierKeyDownloadIdentifier, carrierId)) {
		onDownloadComplete(carrierKeyDownloadIdentifier, currentMccMnc, carrierId);
		onPostDownloadProcessing(carrierKeyDownloadIdentifier);
		}
		break;
		@@ -206,7 +213,7 @@ public class CarrierKeyDownloadManager extends Handler {
		} else {
		// delete any existing alarms.
		cleanupRenewalAlarms();
		mPhone.deleteCarrierInfoForImsiEncryption();
		mPhone.deleteCarrierInfoForImsiEncryption(getSimCarrierId());
		}
		}

		@@ -214,7 +221,7 @@ public class CarrierKeyDownloadManager extends Handler {
		Log.d(LOG_TAG, "Cleaning up download info");
		mDownloadId = -1;
		mMccMncForDownload = null;

		mCarrierId = TelephonyManager.UNKNOWN_CARRIER_ID;
		}

		private void cleanupRenewalAlarms() {
		@@ -295,9 +302,15 @@ public class CarrierKeyDownloadManager extends Handler {
		**/
		@VisibleForTesting
		public String getSimOperator() {
		final TelephonyManager telephonyManager =
		(TelephonyManager) mContext.getSystemService(Context.TELEPHONY_SERVICE);
		return telephonyManager.getSimOperator(mPhone.getSubId());
		return mTelephonyManager.getSimOperator(mPhone.getSubId());
		}

		/**
		* Returns the sim operator.
		**/
		@VisibleForTesting
		public int getSimCarrierId() {
		return mTelephonyManager.getSimCarrierId();
		}

		/**
		@@ -306,7 +319,7 @@ public class CarrierKeyDownloadManager extends Handler {
		* instance of the phone.
		**/
		@VisibleForTesting
		public boolean isValidDownload(String currentMccMnc, long currentDownloadId) {
		public boolean isValidDownload(String currentMccMnc, long currentDownloadId, int carrierId) {
		if (currentDownloadId != mDownloadId) {
		Log.e(LOG_TAG, "download ID=" + currentDownloadId
		+ " for completed download does not match stored id=" + mDownloadId);
		@@ -314,19 +327,23 @@ public class CarrierKeyDownloadManager extends Handler {
		}

		if (TextUtils.isEmpty(currentMccMnc) \|\| TextUtils.isEmpty(mMccMncForDownload)
		\|\| !TextUtils.equals(currentMccMnc, mMccMncForDownload)) {
		Log.e(LOG_TAG, "currentMccMnc=" + currentMccMnc + " stored=" + mMccMncForDownload);
		\|\| !TextUtils.equals(currentMccMnc, mMccMncForDownload)
		\|\| mCarrierId != carrierId) {
		Log.e(LOG_TAG, "currentMccMnc=" + currentMccMnc + " storedMccMnc =" + mMccMncForDownload
		+ "currentCarrierId = " + carrierId + " storedCarrierId = " + mCarrierId);
		return false;
		}

		Log.d(LOG_TAG, "Matched MccMnc, downloadId: " + currentMccMnc + "," + currentDownloadId);
		Log.d(LOG_TAG, "Matched MccMnc = " + currentMccMnc + ", carrierId = " + carrierId
		+ ", downloadId: " + currentDownloadId);
		return true;
		}

		/**
		* This method will try to parse the downloaded information, and persist it in the database.
		**/
		private void onDownloadComplete(long carrierKeyDownloadIdentifier, String mccMnc) {
		private void onDownloadComplete(long carrierKeyDownloadIdentifier, String mccMnc,
		int carrierId) {
		Log.d(LOG_TAG, "onDownloadComplete: " + carrierKeyDownloadIdentifier);
		String jsonStr;
		DownloadManager.Query query = new DownloadManager.Query();
		@@ -346,7 +363,7 @@ public class CarrierKeyDownloadManager extends Handler {
		jsonStr = convertToStringNoGZip(mDownloadManager,
		carrierKeyDownloadIdentifier);
		}
		parseJsonAndPersistKey(jsonStr, mccMnc);
		parseJsonAndPersistKey(jsonStr, mccMnc, carrierId);
		} catch (Exception e) {
		Log.e(LOG_TAG, "Error in download:" + carrierKeyDownloadIdentifier
		+ ". " + e);
		@@ -448,9 +465,10 @@ public class CarrierKeyDownloadManager extends Handler {
		* @param mccMnc contains the mcc, mnc.
		*/
		@VisibleForTesting
		public void parseJsonAndPersistKey(String jsonStr, String mccMnc) {
		if (TextUtils.isEmpty(jsonStr) \|\| TextUtils.isEmpty(mccMnc)) {
		Log.e(LOG_TAG, "jsonStr or mcc, mnc: is empty");
		public void parseJsonAndPersistKey(String jsonStr, String mccMnc, int carrierId) {
		if (TextUtils.isEmpty(jsonStr) \|\| TextUtils.isEmpty(mccMnc)
		\|\| carrierId == TelephonyManager.UNKNOWN_CARRIER_ID) {
		Log.e(LOG_TAG, "jsonStr or mcc, mnc: is empty or carrierId is UNKNOWN_CARRIER_ID");
		return;
		}
		try {
		@@ -481,7 +499,11 @@ public class CarrierKeyDownloadManager extends Handler {
		String identifier = key.getString(JSON_IDENTIFIER);
		Pair<PublicKey, Long> keyInfo =
		getKeyInformation(cleanCertString(cert).getBytes());
		savePublicKey(keyInfo.first, type, identifier, keyInfo.second, mcc, mnc);
		if (mDeleteOldKeyAfterDownload) {
		mPhone.deleteCarrierInfoForImsiEncryption(TelephonyManager.UNKNOWN_CARRIER_ID);
		mDeleteOldKeyAfterDownload = false;
		}
		savePublicKey(keyInfo.first, type, identifier, keyInfo.second, mcc, mnc, carrierId);
		}
		} catch (final JSONException e) {
		Log.e(LOG_TAG, "Json parsing error: " + e.getMessage());
		@@ -528,6 +550,10 @@ public class CarrierKeyDownloadManager extends Handler {
		if (imsiEncryptionInfo == null) {
		Log.d(LOG_TAG, "Key not found for: " + key_type);
		return true;
		} else if (imsiEncryptionInfo.getCarrierId() == TelephonyManager.UNKNOWN_CARRIER_ID) {
		Log.d(LOG_TAG, "carrier key is unknown carrier, so prefer to reDownload");
		mDeleteOldKeyAfterDownload = true;
		return true;
		}
		Date imsiDate = imsiEncryptionInfo.getExpirationTime();
		long timeToExpire = imsiDate.getTime() - System.currentTimeMillis();
		@@ -539,11 +565,12 @@ public class CarrierKeyDownloadManager extends Handler {
		private boolean downloadKey() {
		Log.d(LOG_TAG, "starting download from: " + mURL);
		String mccMnc = getSimOperator();

		if (!TextUtils.isEmpty(mccMnc)) {
		Log.d(LOG_TAG, "downloading key for mccmnc: " + mccMnc);
		int carrierId = getSimCarrierId();
		if (!TextUtils.isEmpty(mccMnc) \|\| carrierId != TelephonyManager.UNKNOWN_CARRIER_ID) {
		Log.d(LOG_TAG, "downloading key for mccmnc : " + mccMnc + ", carrierId : "
		+ carrierId);
		} else {
		Log.e(LOG_TAG, "mccmnc: is empty");
		Log.e(LOG_TAG, "mccmnc or carrierId is UnKnown");
		return false;
		}
		try {
		@@ -561,9 +588,10 @@ public class CarrierKeyDownloadManager extends Handler {
		request.addRequestHeader("Accept-Encoding", "gzip");
		Long carrierKeyDownloadRequestId = mDownloadManager.enqueue(request);

		Log.d(LOG_TAG, "saving values mccmnc, downloadId: " + mccMnc
		+ ", " + carrierKeyDownloadRequestId);
		Log.d(LOG_TAG, "saving values mccmnc: " + mccMnc + ", downloadId: "
		+ carrierKeyDownloadRequestId + ", carrierId: " + carrierId);
		mMccMncForDownload = mccMnc;
		mCarrierId = carrierId;
		mDownloadId = carrierKeyDownloadRequestId;
		} catch (Exception e) {
		Log.e(LOG_TAG, "exception trying to download key from url: " + mURL);
		@@ -598,9 +626,9 @@ public class CarrierKeyDownloadManager extends Handler {
		**/
		@VisibleForTesting
		public void savePublicKey(PublicKey publicKey, int type, String identifier, long expirationDate,
		String mcc, String mnc) {
		ImsiEncryptionInfo imsiEncryptionInfo = new ImsiEncryptionInfo(mcc, mnc, type, identifier,
		publicKey, new Date(expirationDate));
		String mcc, String mnc, int carrierId) {
		ImsiEncryptionInfo imsiEncryptionInfo = new ImsiEncryptionInfo(mcc, mnc,
		type, identifier, publicKey, new Date(expirationDate), carrierId);
		mPhone.setCarrierInfoForImsiEncryption(imsiEncryptionInfo);
		}

src/java/com/android/internal/telephony/GsmCdmaPhone.java

+8 −5

Original line number	Diff line number	Diff line
		@@ -1951,10 +1951,12 @@ public class GsmCdmaPhone extends Phone {

		@Override
		public ImsiEncryptionInfo getCarrierInfoForImsiEncryption(int keyType, boolean fallback) {
		String operatorNumeric = TelephonyManager.from(mContext)
		.getSimOperatorNumericForPhone(mPhoneId);
		final TelephonyManager telephonyManager = mContext.getSystemService(TelephonyManager.class)
		.createForSubscriptionId(getSubId());
		String operatorNumeric = telephonyManager.getSimOperator();
		int carrierId = telephonyManager.getSimCarrierId();
		return CarrierInfoManager.getCarrierInfoForImsiEncryption(keyType,
		mContext, operatorNumeric, fallback, getSubId());
		mContext, operatorNumeric, carrierId, fallback, getSubId());
		}

		@Override
		@@ -1964,8 +1966,9 @@ public class GsmCdmaPhone extends Phone {
		}

		@Override
		public void deleteCarrierInfoForImsiEncryption() {
		CarrierInfoManager.deleteCarrierInfoForImsiEncryption(mContext, getSubId());
		public void deleteCarrierInfoForImsiEncryption(int carrierId) {
		CarrierInfoManager.deleteCarrierInfoForImsiEncryption(mContext, getSubId(),
		carrierId);
		}

		@Override

src/java/com/android/internal/telephony/Phone.java

+2 −1

Original line number	Diff line number	Diff line
		@@ -4019,8 +4019,9 @@ public abstract class Phone extends Handler implements PhoneInternalInterface {

		/**
		* Deletes all the keys for a given Carrier from the device keystore.
		* @param carrierId : the carrier ID which needs to be matched in the delete query
		*/
		public void deleteCarrierInfoForImsiEncryption() {
		public void deleteCarrierInfoForImsiEncryption(int carrierId) {
		return;
		}

tests/telephonytests/src/com/android/internal/telephony/CarrierKeyDownloadMgrTest.java

+82 −31

File changed.

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