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Merge "Add SafetyNet logging for b/79776455" into rvc-dev

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This commit is contained in:
TreeHugger Robot
2020-06-12 21:35:27 +00:00
committed by Android (Google) Code Review
parent 92b6167fc8 6a9945a3c8
commit 0b2bb19db4
1 changed files with 24 additions and 12 deletions
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36
packages/SystemUI/src/com/android/keyguard/KeyguardUpdateMonitor.java
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@@ -79,6 +79,7 @@ import android.telephony.SubscriptionInfo;
import android.telephony.SubscriptionManager;
import android.telephony.SubscriptionManager.OnSubscriptionsChangedListener;
import android.telephony.TelephonyManager;
import android.util.EventLog;
import android.util.Log;
import android.util.SparseArray;
import android.util.SparseBooleanArray;
@@ -1074,6 +1075,17 @@ public class KeyguardUpdateMonitor implements TrustManager.TrustListener, Dumpab
!= LockPatternUtils.StrongAuthTracker.STRONG_AUTH_NOT_REQUIRED;
}
private boolean isUserEncryptedOrLockdown(int userId) {
// Biometrics should not be started in this case. Think carefully before modifying this
// method, see b/79776455
final int strongAuth = mStrongAuthTracker.getStrongAuthForUser(userId);
final boolean isLockDown =
containsFlag(strongAuth, STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW)
|| containsFlag(strongAuth, STRONG_AUTH_REQUIRED_AFTER_USER_LOCKDOWN);
final boolean isEncrypted = containsFlag(strongAuth, STRONG_AUTH_REQUIRED_AFTER_BOOT);
return isLockDown || isEncrypted;
}
private boolean containsFlag(int haystack, int needle) {
return (haystack & needle) != 0;
}
@@ -1904,11 +1916,6 @@ public class KeyguardUpdateMonitor implements TrustManager.TrustListener, Dumpab
final boolean allowedOnBouncer =
!(mFingerprintLockedOut && mBouncer && mCredentialAttempted);
final int user = getCurrentUser();
final int strongAuth = mStrongAuthTracker.getStrongAuthForUser(user);
final boolean isLockDown =
containsFlag(strongAuth, STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW)
|| containsFlag(strongAuth, STRONG_AUTH_REQUIRED_AFTER_USER_LOCKDOWN);
final boolean isEncrypted = containsFlag(strongAuth, STRONG_AUTH_REQUIRED_AFTER_BOOT);
// Only listen if this KeyguardUpdateMonitor belongs to the primary user. There is an
// instance of KeyguardUpdateMonitor for each user but KeyguardUpdateMonitor is user-aware.
@@ -1917,7 +1924,7 @@ public class KeyguardUpdateMonitor implements TrustManager.TrustListener, Dumpab
shouldListenForFingerprintAssistant() || (mKeyguardOccluded && mIsDreaming))
&& !mSwitchingUser && !isFingerprintDisabled(getCurrentUser())
&& (!mKeyguardGoingAway || !mDeviceInteractive) && mIsPrimaryUser
&& allowedOnBouncer && !isLockDown && !isEncrypted;
&& allowedOnBouncer && !isUserEncryptedOrLockdown(user);
return shouldListen;
}
@@ -1931,11 +1938,6 @@ public class KeyguardUpdateMonitor implements TrustManager.TrustListener, Dumpab
&& !statusBarShadeLocked;
final int user = getCurrentUser();
final int strongAuth = mStrongAuthTracker.getStrongAuthForUser(user);
final boolean isLockDown =
containsFlag(strongAuth, STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW)
|| containsFlag(strongAuth, STRONG_AUTH_REQUIRED_AFTER_USER_LOCKDOWN);
final boolean isEncrypted =
containsFlag(strongAuth, STRONG_AUTH_REQUIRED_AFTER_BOOT);
final boolean isTimedOut =
containsFlag(strongAuth, STRONG_AUTH_REQUIRED_AFTER_TIMEOUT);
@@ -1958,7 +1960,7 @@ public class KeyguardUpdateMonitor implements TrustManager.TrustListener, Dumpab
&& !mSwitchingUser && !isFaceDisabled(user) && becauseCannotSkipBouncer
&& !mKeyguardGoingAway && mFaceSettingEnabledForUser.get(user) && !mLockIconPressed
&& strongAuthAllowsScanning && mIsPrimaryUser
&& !mSecureCameraLaunched && !isLockDown && !isEncrypted;
&& !mSecureCameraLaunched && !isUserEncryptedOrLockdown(user);
// Aggregate relevant fields for debug logging.
if (DEBUG_FACE || DEBUG_SPEW) {
@@ -2031,6 +2033,11 @@ public class KeyguardUpdateMonitor implements TrustManager.TrustListener, Dumpab
if (mFingerprintCancelSignal != null) {
mFingerprintCancelSignal.cancel();
}
if (isUserEncryptedOrLockdown(userId)) {
// If this happens, shouldListenForFingerprint() is wrong. SafetyNet for b/79776455
EventLog.writeEvent(0x534e4554, "79776455", "startListeningForFingerprint");
}
mFingerprintCancelSignal = new CancellationSignal();
mFpm.authenticate(null, mFingerprintCancelSignal, 0, mFingerprintAuthenticationCallback,
null, userId);
@@ -2049,6 +2056,11 @@ public class KeyguardUpdateMonitor implements TrustManager.TrustListener, Dumpab
if (mFaceCancelSignal != null) {
mFaceCancelSignal.cancel();
}
if (isUserEncryptedOrLockdown(userId)) {
// If this happens, shouldListenForFace() is wrong. SafetyNet for b/79776455
EventLog.writeEvent(0x534e4554, "79776455", "startListeningForFace");
}
mFaceCancelSignal = new CancellationSignal();
mFaceManager.authenticate(null, mFaceCancelSignal, 0,
mFaceAuthenticationCallback, null, userId);