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Commit 4d36be3f authored by Rubin Xu's avatar Rubin Xu
Browse files

Make synthetic password enabled by default 

Also provide a shell command to disable it, for testing purpose.

Bug: 37464893
Test: manual
Change-Id: Ibe1276a0e52abff840d3094a822519dd3fc46672
parent 74fa79e6

core/java/com/android/internal/widget/LockPatternUtils.java

+4 −0
Original line number Diff line number Diff line
@@ -1672,6 +1672,10 @@ public class LockPatternUtils { 
        setLong(SYNTHETIC_PASSWORD_ENABLED_KEY, 1L, UserHandle.USER_SYSTEM);

    }



    public void disableSyntheticPassword() {

        setLong(SYNTHETIC_PASSWORD_ENABLED_KEY, 0L, UserHandle.USER_SYSTEM);

    }



    public boolean isSyntheticPasswordEnabled() {

        return getLong(SYNTHETIC_PASSWORD_ENABLED_KEY, 0, UserHandle.USER_SYSTEM) != 0;

    }

services/core/java/com/android/server/locksettings/LockSettingsService.java

+5 −2
Original line number Diff line number Diff line
@@ -134,6 +134,7 @@ public class LockSettingsService extends ILockSettings.Stub { 


    private static final int PROFILE_KEY_IV_SIZE = 12;

    private static final String SEPARATE_PROFILE_CHALLENGE_KEY = "lockscreen.profilechallenge";

    private static final int SYNTHETIC_PASSWORD_ENABLED_BY_DEFAULT = 1;



    // Order of holding lock: mSeparateChallengeLock -> mSpManager -> this

    private final Object mSeparateChallengeLock = new Object();
@@ -1895,14 +1896,16 @@ public class LockSettingsService extends ILockSettings.Stub { 
    private boolean isSyntheticPasswordBasedCredentialLocked(int userId) throws RemoteException {

        long handle = getSyntheticPasswordHandleLocked(userId);

        // This is a global setting

        long enabled = getLong(SYNTHETIC_PASSWORD_ENABLED_KEY, 0, UserHandle.USER_SYSTEM);

        long enabled = getLong(SYNTHETIC_PASSWORD_ENABLED_KEY,

                SYNTHETIC_PASSWORD_ENABLED_BY_DEFAULT, UserHandle.USER_SYSTEM);

      return enabled != 0 && handle != SyntheticPasswordManager.DEFAULT_HANDLE;

    }



    private boolean shouldMigrateToSyntheticPasswordLocked(int userId) throws RemoteException {

        long handle = getSyntheticPasswordHandleLocked(userId);

        // This is a global setting

        long enabled = getLong(SYNTHETIC_PASSWORD_ENABLED_KEY, 0, UserHandle.USER_SYSTEM);

        long enabled = getLong(SYNTHETIC_PASSWORD_ENABLED_KEY,

                SYNTHETIC_PASSWORD_ENABLED_BY_DEFAULT, UserHandle.USER_SYSTEM);

        return enabled != 0 && handle == SyntheticPasswordManager.DEFAULT_HANDLE;

    }

services/core/java/com/android/server/locksettings/LockSettingsShellCommand.java

+10 −5
Original line number Diff line number Diff line
@@ -71,7 +71,7 @@ class LockSettingsShellCommand extends ShellCommand { 
                    runClear();

                    break;

                case COMMAND_SP:

                    runEnableSp();

                    runChangeSp();

                    break;

                case COMMAND_SET_DISABLED:

                    runSetDisabled();
@@ -107,10 +107,15 @@ class LockSettingsShellCommand extends ShellCommand { 
        mNew = getNextArg();

    }



    private void runEnableSp() {

    private void runChangeSp() {

        if (mNew != null ) {

            if ("1".equals(mNew)) {

                mLockPatternUtils.enableSyntheticPassword();

                getOutPrintWriter().println("Synthetic password enabled");

            } else if ("0".equals(mNew)) {

                mLockPatternUtils.disableSyntheticPassword();

                getOutPrintWriter().println("Synthetic password disabled");

            }

        }

        getOutPrintWriter().println(String.format("SP Enabled = %b",

                mLockPatternUtils.isSyntheticPasswordEnabled()));