Update Carrier Privileged UIDs when SIM state changes. am: b38334f707 (85cd38e5) · Commits · e / devices / smdk4412 / android_frameworks_opt_telephony

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

+62 −1

Original line number	Diff line number	Diff line
		@@ -19,7 +19,13 @@ package com.android.internal.telephony;
		import static android.telephony.CarrierConfigManager.EXTRA_SLOT_INDEX;
		import static android.telephony.CarrierConfigManager.EXTRA_SUBSCRIPTION_INDEX;
		import static android.telephony.CarrierConfigManager.KEY_CARRIER_CERTIFICATE_STRING_ARRAY;
		import static android.telephony.SubscriptionManager.INVALID_SIM_SLOT_INDEX;
		import static android.telephony.SubscriptionManager.INVALID_SUBSCRIPTION_ID;
		import static android.telephony.TelephonyManager.EXTRA_SIM_STATE;
		import static android.telephony.TelephonyManager.SIM_STATE_ABSENT;
		import static android.telephony.TelephonyManager.SIM_STATE_LOADED;
		import static android.telephony.TelephonyManager.SIM_STATE_NOT_READY;
		import static android.telephony.TelephonyManager.SIM_STATE_UNKNOWN;

		import android.annotation.NonNull;
		import android.content.BroadcastReceiver;
		@@ -39,6 +45,7 @@ import android.os.RegistrantList;
		import android.os.UserManager;
		import android.telephony.CarrierConfigManager;
		import android.telephony.SubscriptionManager;
		import android.telephony.TelephonyManager;
		import android.util.ArrayMap;
		import android.util.ArraySet;
		import android.util.IntArray;
		@@ -76,14 +83,25 @@ public class CarrierPrivilegesTracker extends Handler {
		*/
		private static final int ACTION_CARRIER_CONFIG_CERTS_UPDATED = 3;

		/**
		* Action for tracking when the Phone's SIM state changes.
		* arg1: slotId that this Action applies to
		* arg2: simState reported by this Broadcast
		*/
		private static final int ACTION_SIM_STATE_UPDATED = 4;

		private final Context mContext;
		private final Phone mPhone;
		private final CarrierConfigManager mCarrierConfigManager;
		private final PackageManager mPackageManager;
		private final UserManager mUserManager;
		private final TelephonyManager mTelephonyManager;
		private final RegistrantList mRegistrantList;
		private final Set<String> mCarrierConfigCerts;

		// TODO(b/151981841): Use Set<UiccAccessRule> to also check for package names loaded from SIM
		private final Set<String> mUiccCerts;

		// Map of PackageName -> Certificate hashes for that Package
		private final Map<String, Set<String>> mInstalledPackageCerts;
		private int[] mPrivilegedUids;
		@@ -109,6 +127,20 @@ public class CarrierPrivilegesTracker extends Handler {
		slotIndex));
		break;
		}
		case TelephonyManager.ACTION_SIM_CARD_STATE_CHANGED: // fall through
		case TelephonyManager.ACTION_SIM_APPLICATION_STATE_CHANGED: {
		Bundle extras = intent.getExtras();
		int simState = extras.getInt(EXTRA_SIM_STATE, SIM_STATE_UNKNOWN);
		int slotId =
		extras.getInt(PhoneConstants.PHONE_KEY, INVALID_SIM_SLOT_INDEX);

		if (simState != SIM_STATE_ABSENT
		&& simState != SIM_STATE_NOT_READY
		&& simState != SIM_STATE_LOADED) return;

		sendMessage(obtainMessage(ACTION_SIM_STATE_UPDATED, slotId, simState));
		break;
		}
		}
		}
		};
		@@ -120,14 +152,18 @@ public class CarrierPrivilegesTracker extends Handler {
		mCarrierConfigManager = context.getSystemService(CarrierConfigManager.class);
		mPackageManager = context.getSystemService(PackageManager.class);
		mUserManager = context.getSystemService(UserManager.class);
		mTelephonyManager = context.getSystemService(TelephonyManager.class);
		mPhone = phone;

		IntentFilter filter = new IntentFilter();
		filter.addAction(CarrierConfigManager.ACTION_CARRIER_CONFIG_CHANGED);
		filter.addAction(TelephonyManager.ACTION_SIM_CARD_STATE_CHANGED);
		filter.addAction(TelephonyManager.ACTION_SIM_APPLICATION_STATE_CHANGED);
		mContext.registerReceiver(mIntentReceiver, filter);

		mRegistrantList = new RegistrantList();
		mCarrierConfigCerts = new ArraySet<>();
		mUiccCerts = new ArraySet<>();
		mInstalledPackageCerts = new ArrayMap<>();
		mPrivilegedUids = new int[0];
		}
		@@ -147,6 +183,10 @@ public class CarrierPrivilegesTracker extends Handler {
		handleCarrierConfigUpdated(msg.arg1, msg.arg2);
		break;
		}
		case ACTION_SIM_STATE_UPDATED: {
		handleSimStateChanged(msg.arg1, msg.arg2);
		break;
		}
		default: {
		Log.e(TAG, "Received unknown msg type: " + msg.what);
		break;
		@@ -187,6 +227,27 @@ public class CarrierPrivilegesTracker extends Handler {
		maybeUpdateCertsAndNotifyRegistrants(mCarrierConfigCerts, updatedCarrierConfigCerts);
		}

		private void handleSimStateChanged(int slotId, int simState) {
		if (slotId != mPhone.getPhoneId()) return;

		Set<String> updatedUiccCerts = new ArraySet<>();

		// Only include the UICC certs if the SIM is fully loaded
		if (simState == SIM_STATE_LOADED) {
		TelephonyManager telMan = mTelephonyManager.createForSubscriptionId(mPhone.getSubId());
		if (telMan.hasIccCard(mPhone.getPhoneId())) {
		List<String> uiccCerts = telMan.getCertsFromCarrierPrivilegeAccessRules();
		if (uiccCerts != null) {
		for (String cert : uiccCerts) {
		updatedUiccCerts.add(cert.toUpperCase());
		}
		}
		}
		}

		maybeUpdateCertsAndNotifyRegistrants(mUiccCerts, updatedUiccCerts);
		}

		private void maybeUpdateCertsAndNotifyRegistrants(
		Set<String> currentCerts, Set<String> updatedCerts) {
		if (!currentCerts.equals(updatedCerts)) {
		@@ -232,7 +293,7 @@ public class CarrierPrivilegesTracker extends Handler {

		private boolean isPackagePrivileged(Set<String> certs) {
		for (String cert : certs) {
		if (mCarrierConfigCerts.contains(cert)) {
		if (mCarrierConfigCerts.contains(cert) \|\| mUiccCerts.contains(cert)) {
		return true;
		}
		}