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Commit 0a825265 authored by TreeHugger Robot's avatar TreeHugger Robot Committed by Automerger Merge Worker
Browse files

Merge "Enforce profile password quality policy on unified device lock" into... 

Merge "Enforce profile password quality policy on unified device lock" into sc-dev am: b8a73935 am: 533759ec

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15123981

Change-Id: I8542635ed150386e5535b07d570c5f6706e384fb
parents c7f5f42f 533759ec

services/devicepolicy/java/com/android/server/devicepolicy/ActiveAdmin.java

+0 −11
Original line number Diff line number Diff line
@@ -104,8 +104,6 @@ class ActiveAdmin { 
    private static final String TAG_PASSWORD_HISTORY_LENGTH = "password-history-length";

    private static final String TAG_MIN_PASSWORD_LENGTH = "min-password-length";

    private static final String TAG_PASSWORD_QUALITY = "password-quality";

    private static final String TAG_PASSWORD_QUALITY_APPLIES_TO_PARENT =

            "password-quality-applies-parent";

    private static final String TAG_POLICIES = "policies";

    private static final String TAG_CROSS_PROFILE_WIDGET_PROVIDERS =

            "cross-profile-widget-providers";
@@ -158,7 +156,6 @@ class ActiveAdmin { 


    @NonNull

    PasswordPolicy mPasswordPolicy = new PasswordPolicy();

    boolean mPasswordPolicyAppliesToParent = true;



    @DevicePolicyManager.PasswordComplexity

    int mPasswordComplexity = PASSWORD_COMPLEXITY_NONE;
@@ -363,9 +360,6 @@ class ActiveAdmin { 
                writeAttributeValueToXml(

                        out, TAG_MIN_PASSWORD_NONLETTER, mPasswordPolicy.nonLetter);

            }



            writeAttributeValueToXml(out, TAG_PASSWORD_QUALITY_APPLIES_TO_PARENT,

                    mPasswordPolicyAppliesToParent);

        }

        if (passwordHistoryLength != DEF_PASSWORD_HISTORY_LENGTH) {

            writeAttributeValueToXml(
@@ -669,8 +663,6 @@ class ActiveAdmin { 
                mPasswordPolicy.symbols = parser.getAttributeInt(null, ATTR_VALUE);

            } else if (TAG_MIN_PASSWORD_NONLETTER.equals(tag)) {

                mPasswordPolicy.nonLetter = parser.getAttributeInt(null, ATTR_VALUE);

            } else if (TAG_PASSWORD_QUALITY_APPLIES_TO_PARENT.equals(tag)) {

                mPasswordPolicyAppliesToParent = parser.getAttributeBoolean(null, ATTR_VALUE);

            } else if (TAG_MAX_TIME_TO_UNLOCK.equals(tag)) {

                maximumTimeToUnlock = parser.getAttributeLong(null, ATTR_VALUE);

            } else if (TAG_STRONG_AUTH_UNLOCK_TIMEOUT.equals(tag)) {
@@ -1036,9 +1028,6 @@ class ActiveAdmin { 
        pw.print("minimumPasswordNonLetter=");

        pw.println(mPasswordPolicy.nonLetter);



        pw.print("passwordPolicyAppliesToParent=");

        pw.println(mPasswordPolicyAppliesToParent);



        pw.print("maximumTimeToUnlock=");

        pw.println(maximumTimeToUnlock);

services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java

+5 −17
Original line number Diff line number Diff line
@@ -3827,10 +3827,9 @@ public class DevicePolicyManagerService extends BaseIDevicePolicyManager { 
                isProfileOwner(caller) || isDeviceOwner(caller) || isSystemUid(caller)

                || isPasswordLimitingAdminTargetingP(caller));













        final boolean qualityMayApplyToParent =













                canSetPasswordQualityOnParent(who.getPackageName(), caller);













        if (!qualityMayApplyToParent) {













            Preconditions.checkCallAuthorization(!parent,













        if (parent) {













            Preconditions.checkCallAuthorization(













                    canSetPasswordQualityOnParent(who.getPackageName(), caller),















                    "Profile Owner may not apply password quality requirements device-wide");















        }























@@ -3856,7 +3855,6 @@ public class DevicePolicyManagerService extends BaseIDevicePolicyManager {













                if (passwordPolicy.quality != quality) {















                    passwordPolicy.quality = quality;















                    ap.mPasswordComplexity = PASSWORD_COMPLEXITY_NONE;













                    ap.mPasswordPolicyAppliesToParent = qualityMayApplyToParent;















                    resetInactivePasswordRequirementsIfRPlus(userId, ap);















                    updatePasswordValidityCheckpointLocked(userId, parent);















                    updatePasswordQualityCacheForUserGroup(userId);










@@ -4588,8 +4586,8 @@ public class DevicePolicyManagerService extends BaseIDevicePolicyManager {













        }





























        ArrayList<PasswordMetrics> adminMetrics = new ArrayList<>();













        synchronized (getLockObject()) {















        final List<ActiveAdmin> admins;













        synchronized (getLockObject()) {















            if (deviceWideOnly) {















                admins = getActiveAdminsForUserAndItsManagedProfilesLocked(userId,















                        /* shouldIncludeProfileAdmins */ (user) -> false);









@@ -4597,18 +4595,9 @@ public class DevicePolicyManagerService extends BaseIDevicePolicyManager {













                admins = getActiveAdminsForLockscreenPoliciesLocked(userId);















            }















            for (ActiveAdmin admin : admins) {













                final boolean isAdminOfUser = userId == admin.getUserHandle().getIdentifier();













                // Use the password metrics from the admin in one of three cases:













                // (1) The admin is of the user we're getting the minimum metrics for. The admin













                //     always affects the user it's managing. This applies also to the parent













                //     ActiveAdmin instance: It'd have the same user handle.













                // (2) The mPasswordPolicyAppliesToParent field is true: That indicates the













                //     call to setPasswordQuality was made by an admin that may affect the parent.













                if (isAdminOfUser || admin.mPasswordPolicyAppliesToParent) {















                adminMetrics.add(admin.mPasswordPolicy.getMinMetrics());















            }















        }













        }















        return PasswordMetrics.merge(adminMetrics);















    }
























@@ -4821,7 +4810,6 @@ public class DevicePolicyManagerService extends BaseIDevicePolicyManager {













                    admin.mPasswordComplexity = passwordComplexity;















                    // Reset the password policy.















                    admin.mPasswordPolicy = new PasswordPolicy();













                    admin.mPasswordPolicyAppliesToParent = true;















                    updatePasswordValidityCheckpointLocked(caller.getUserId(), calledOnParent);















                    updatePasswordQualityCacheForUserGroup(caller.getUserId());















                    saveSettingsLocked(caller.getUserId());

































services/tests/servicestests/src/com/android/server/devicepolicy/DevicePolicyManagerTest.java



+199
−0




























Original line number
Diff line number
Diff line








@@ -5427,6 +5427,205 @@ public class DevicePolicyManagerTest extends DpmTestBase {













        }















    }





























    @Test













    public void isActivePasswordSufficient_SeparateWorkChallenge_ProfileQualityRequirementMet()













            throws Exception {













        // Create work profile with empty separate challenge













        final int managedProfileUserId = 15;













        final int managedProfileAdminUid = UserHandle.getUid(managedProfileUserId, 19436);













        addManagedProfileForPasswordTests(managedProfileUserId, managedProfileAdminUid,













                /* separateChallenge */ true);



























        // Set profile password quality requirement. No password added yet so













        // profile.isActivePasswordSufficient should return false













        mContext.binder.callingUid = managedProfileAdminUid;













        dpm.setPasswordQuality(admin1, DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC);













        assertThat(dpm.isActivePasswordSufficient()).isFalse();













        assertThat(parentDpm.isActivePasswordSufficient()).isTrue();



























        // Set a work challenge and verify profile.isActivePasswordSufficient is now true













        when(getServices().lockSettingsInternal.getUserPasswordMetrics(managedProfileUserId))













                .thenReturn(computeForPasswordOrPin("abcdXYZ5".getBytes(), /* isPin */ false));













        assertThat(dpm.isActivePasswordSufficient()).isTrue();













        assertThat(parentDpm.isActivePasswordSufficient()).isTrue();













    }



























    @Test













    public void isActivePasswordSufficient_SeparateWorkChallenge_ProfileComplexityRequirementMet()













            throws Exception {













        // Create work profile with empty separate challenge













        final int managedProfileUserId = 15;













        final int managedProfileAdminUid = UserHandle.getUid(managedProfileUserId, 19436);













        addManagedProfileForPasswordTests(managedProfileUserId, managedProfileAdminUid,













                /* separateChallenge */ true);



























        // Set profile password complexity requirement. No password added yet so













        // profile.isActivePasswordSufficient should return false













        mContext.binder.callingUid = managedProfileAdminUid;













        dpm.setRequiredPasswordComplexity(PASSWORD_COMPLEXITY_MEDIUM);













        assertThat(dpm.isActivePasswordSufficient()).isFalse();













        assertThat(parentDpm.isActivePasswordSufficient()).isTrue();



























        // Set a work challenge and verify profile.isActivePasswordSufficient is now true













        when(getServices().lockSettingsInternal.getUserPasswordMetrics(managedProfileUserId))













                .thenReturn(computeForPasswordOrPin("5156".getBytes(), /* isPin */ true));













        assertThat(dpm.isActivePasswordSufficient()).isTrue();













        assertThat(parentDpm.isActivePasswordSufficient()).isTrue();













    }



























    @Test













    public void isActivePasswordSufficient_SeparateWorkChallenge_ParentQualityRequirementMet()













            throws Exception {













        // Create work profile with empty separate challenge













        final int managedProfileUserId = 15;













        final int managedProfileAdminUid = UserHandle.getUid(managedProfileUserId, 19436);













        addManagedProfileForPasswordTests(managedProfileUserId, managedProfileAdminUid,













                /* separateChallenge */ true);



























        // Set parent password quality requirement. No password added yet so













        // parent.isActivePasswordSufficient should return false













        mContext.binder.callingUid = managedProfileAdminUid;













        parentDpm.setPasswordQuality(admin1, DevicePolicyManager.PASSWORD_QUALITY_NUMERIC_COMPLEX);













        assertThat(dpm.isActivePasswordSufficient()).isTrue();













        assertThat(parentDpm.isActivePasswordSufficient()).isFalse();



























        // Set a device lockscreen and verify parent.isActivePasswordSufficient is now true













        when(getServices().lockSettingsInternal.getUserPasswordMetrics(UserHandle.USER_SYSTEM))













                .thenReturn(computeForPasswordOrPin("acbdXYZ5".getBytes(), /* isPin */ false));













        assertThat(dpm.isActivePasswordSufficient()).isTrue();













        assertThat(parentDpm.isActivePasswordSufficient()).isTrue();













    }



























    @Test













    public void isActivePasswordSufficient_SeparateWorkChallenge_ParentComplexityRequirementMet()













            throws Exception {













        // Create work profile with empty separate challenge













        final int managedProfileUserId = 15;













        final int managedProfileAdminUid = UserHandle.getUid(managedProfileUserId, 19436);













        addManagedProfileForPasswordTests(managedProfileUserId, managedProfileAdminUid,













                /* separateChallenge */ true);



























        // Set parent password complexity requirement. No password added yet so













        // parent.isActivePasswordSufficient should return false













        mContext.binder.callingUid = managedProfileAdminUid;













        parentDpm.setRequiredPasswordComplexity(PASSWORD_COMPLEXITY_LOW);













        assertThat(dpm.isActivePasswordSufficient()).isTrue();













        assertThat(parentDpm.isActivePasswordSufficient()).isFalse();



























        // Set a device lockscreen and verify parent.isActivePasswordSufficient is now true













        when(getServices().lockSettingsInternal.getUserPasswordMetrics(UserHandle.USER_SYSTEM))













                .thenReturn(computeForPasswordOrPin("1234".getBytes(), /* isPin */ true));













        assertThat(dpm.isActivePasswordSufficient()).isTrue();













        assertThat(parentDpm.isActivePasswordSufficient()).isTrue();













    }



























    @Test













    public void isActivePasswordSufficient_UnifiedWorkChallenge_ProfileQualityRequirementMet()













            throws Exception {













        // Create work profile with unified challenge













        final int managedProfileUserId = 15;













        final int managedProfileAdminUid = UserHandle.getUid(managedProfileUserId, 19436);













        addManagedProfileForPasswordTests(managedProfileUserId, managedProfileAdminUid,













                /* separateChallenge */ false);



























        // Set profile password quality requirement. No password added yet so













        // {profile, parent}.isActivePasswordSufficient should return false













        mContext.binder.callingUid = managedProfileAdminUid;













        dpm.setPasswordQuality(admin1, DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC);













        assertThat(dpm.isActivePasswordSufficient()).isFalse();













        assertThat(parentDpm.isActivePasswordSufficient()).isFalse();



























        // Set a device lockscreen and verify {profile, parent}.isActivePasswordSufficient is true













        when(getServices().lockSettingsInternal.getUserPasswordMetrics(UserHandle.USER_SYSTEM))













                .thenReturn(computeForPasswordOrPin("abcdXYZ5".getBytes(), /* isPin */ false));













        assertThat(dpm.isActivePasswordSufficient()).isTrue();













        assertThat(parentDpm.isActivePasswordSufficient()).isTrue();













    }



























    @Test













    public void isActivePasswordSufficient_UnifiedWorkChallenge_ProfileComplexityRequirementMet()













            throws Exception {













        // Create work profile with unified challenge













        final int managedProfileUserId = 15;













        final int managedProfileAdminUid = UserHandle.getUid(managedProfileUserId, 19436);













        addManagedProfileForPasswordTests(managedProfileUserId, managedProfileAdminUid,













                /* separateChallenge */ false);



























        // Set profile password complexity requirement. No password added yet so













        // {profile, parent}.isActivePasswordSufficient should return false













        mContext.binder.callingUid = managedProfileAdminUid;













        dpm.setRequiredPasswordComplexity(PASSWORD_COMPLEXITY_HIGH);













        assertThat(dpm.isActivePasswordSufficient()).isFalse();













        assertThat(parentDpm.isActivePasswordSufficient()).isFalse();



























        // Set a device lockscreen and verify {profile, parent}.isActivePasswordSufficient is true













        when(getServices().lockSettingsInternal.getUserPasswordMetrics(UserHandle.USER_SYSTEM))













                .thenReturn(computeForPasswordOrPin("51567548".getBytes(), /* isPin */ true));













        assertThat(dpm.isActivePasswordSufficient()).isTrue();













        assertThat(parentDpm.isActivePasswordSufficient()).isTrue();













    }



























    @Test













    public void isActivePasswordSufficient_UnifiedWorkChallenge_ParentQualityRequirementMet()













            throws Exception {













        // Create work profile with unified challenge













        final int managedProfileUserId = 15;













        final int managedProfileAdminUid = UserHandle.getUid(managedProfileUserId, 19436);













        addManagedProfileForPasswordTests(managedProfileUserId, managedProfileAdminUid,













                /* separateChallenge */ false);



























        // Set parent password quality requirement. No password added yet so













        // {profile, parent}.isActivePasswordSufficient should return false













        mContext.binder.callingUid = managedProfileAdminUid;













        parentDpm.setPasswordQuality(admin1, DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC);













        assertThat(dpm.isActivePasswordSufficient()).isFalse();













        assertThat(parentDpm.isActivePasswordSufficient()).isFalse();



























        // Set a device lockscreen and verify {profile, parent}.isActivePasswordSufficient is true













        when(getServices().lockSettingsInternal.getUserPasswordMetrics(UserHandle.USER_SYSTEM))













                .thenReturn(computeForPasswordOrPin("abcdXYZ5".getBytes(), /* isPin */ false));













        assertThat(dpm.isActivePasswordSufficient()).isTrue();













        assertThat(parentDpm.isActivePasswordSufficient()).isTrue();













    }



























    @Test













    public void isActivePasswordSufficient_UnifiedWorkChallenge_ParentComplexityRequirementMet()













            throws Exception {













        // Create work profile with unified challenge













        final int managedProfileUserId = 15;













        final int managedProfileAdminUid = UserHandle.getUid(managedProfileUserId, 19436);













        addManagedProfileForPasswordTests(managedProfileUserId, managedProfileAdminUid,













                /* separateChallenge */ false);



























        // Set parent password complexity requirement. No password added yet so













        // {profile, parent}.isActivePasswordSufficient should return false













        mContext.binder.callingUid = managedProfileAdminUid;













        parentDpm.setRequiredPasswordComplexity(PASSWORD_COMPLEXITY_MEDIUM);













        assertThat(dpm.isActivePasswordSufficient()).isFalse();













        assertThat(parentDpm.isActivePasswordSufficient()).isFalse();



























        // Set a device lockscreen and verify {profile, parent}.isActivePasswordSufficient is true













        when(getServices().lockSettingsInternal.getUserPasswordMetrics(UserHandle.USER_SYSTEM))













                .thenReturn(computeForPasswordOrPin("5156".getBytes(), /* isPin */ true));













        assertThat(dpm.isActivePasswordSufficient()).isTrue();













        assertThat(parentDpm.isActivePasswordSufficient()).isTrue();













    }



























    private void addManagedProfileForPasswordTests(int userId, int adminUid,













            boolean separateChallenge) throws Exception {













        addManagedProfile(admin1, adminUid, admin1);













        when(getServices().userManager.getProfileParent(userId))













                .thenReturn(new UserInfo(UserHandle.USER_SYSTEM, "user system", 0));













        doReturn(separateChallenge).when(getServices().lockPatternUtils)













                .isSeparateProfileChallengeEnabled(userId);













        when(getServices().userManager.getCredentialOwnerProfile(userId))













                .thenReturn(separateChallenge ? userId : UserHandle.USER_SYSTEM);













        when(getServices().lockSettingsInternal.getUserPasswordMetrics(userId))













                .thenReturn(new PasswordMetrics(CREDENTIAL_TYPE_NONE));













        when(getServices().lockSettingsInternal.getUserPasswordMetrics(UserHandle.USER_SYSTEM))













                .thenReturn(new PasswordMetrics(CREDENTIAL_TYPE_NONE));













    }





























    @Test















    public void testPasswordQualityAppliesToParentPreS() throws Exception {















        final int managedProfileUserId = CALLER_USER_HANDLE;