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Commit b40e6f26 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 sc-dev am: b8a73935 

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

Change-Id: If969035a842d78085b66c3a27b5084394a9cf5eb
parents dcd34962 b8a73935

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;