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Commit 14659d0a authored by Treehugger Robot's avatar Treehugger Robot Committed by Automerger Merge Worker
Browse files

Merge changes Ieae66cc7,Idf94ddb5 am: 7d486bd0 

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1512886

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I1c380bab3d814c44d4df5b0267fe45ee1f2d6f0f
parents 0eb11900 7d486bd0

services/core/java/com/android/server/hdmi/HdmiCecMessageValidator.java

+56 −2
Original line number Diff line number Diff line
@@ -156,7 +156,6 @@ public class HdmiCecMessageValidator { 
        addValidationInfo(Constants.MESSAGE_GIVE_DECK_STATUS, statusRequestValidator, DEST_DIRECT);

        addValidationInfo(Constants.MESSAGE_PLAY, new PlayModeValidator(), DEST_DIRECT);



        // TODO: Handle messages for the Tuner Control.

        addValidationInfo(

                Constants.MESSAGE_GIVE_TUNER_DEVICE_STATUS, statusRequestValidator, DEST_DIRECT);

        addValidationInfo(
@@ -167,6 +166,10 @@ public class HdmiCecMessageValidator { 
                Constants.MESSAGE_SELECT_DIGITAL_SERVICE,

                new SelectDigitalServiceValidator(),

                DEST_DIRECT);

        addValidationInfo(

                Constants.MESSAGE_TUNER_DEVICE_STATUS,

                new TunerDeviceStatusValidator(),

                DEST_DIRECT);



        // Messages for the Vendor Specific Commands.

        VariableLengthValidator maxLengthValidator = new VariableLengthValidator(0, 14);
@@ -306,7 +309,14 @@ public class HdmiCecMessageValidator { 
    }



    private boolean isValidPhysicalAddress(byte[] params, int offset) {

        // TODO: Add more logic like validating 1.0.1.0.

        int physicalAddress = HdmiUtils.twoBytesToInt(params, offset);

        while (physicalAddress != 0) {

            int maskedAddress = physicalAddress & 0xF000;

            physicalAddress = (physicalAddress << 4) & 0xFFFF;

            if (maskedAddress == 0 && physicalAddress != 0) {

                return false;

            }

        }



        if (!mService.isTvDevice()) {

            // If the device is not TV, we can't convert path to port-id, so stop here.
@@ -722,6 +732,35 @@ public class HdmiCecMessageValidator { 
                || (isWithinRange(value, 0xC1, 0xC3)));

    }



    /*

     * Check if the given value is a valid Tuner Device info. A valid value is one which falls

     * within the range description defined in CEC 1.4 Specification : Operand Descriptions

     * (Section 17)

     *

     * @param params Tuner device info

     * @return true if the Tuner device info is valid

     */

    private boolean isValidTunerDeviceInfo(byte[] params) {

        int tunerDisplayInfo = params[0] & 0x7F;

        if (tunerDisplayInfo == 0x00) {

            // Displaying digital tuner

            if (params.length >= 5) {

                return isValidDigitalServiceIdentification(params, 1);

            }

        } else if (tunerDisplayInfo == 0x01) {

            // Not displaying Tuner

            return true;

        } else if (tunerDisplayInfo == 0x02) {

            // Displaying Analogue tuner

            if (params.length >= 5) {

                return (isValidAnalogueBroadcastType(params[1])

                        && isValidAnalogueFrequency(HdmiUtils.twoBytesToInt(params, 2))

                        && isValidBroadcastSystem(params[4]));

            }

        }

        return false;

    }



    private class PhysicalAddressValidator implements ParameterValidator {

        @Override

        public int isValid(byte[] params) {
@@ -1000,6 +1039,21 @@ public class HdmiCecMessageValidator { 
        }

    }



    /**

     * Check if the given tuner device status parameter is valid. A valid parameter should lie

     * within the range description defined in CEC 1.4 Specification : Operand Descriptions (Section

     * 17)

     */

    private class TunerDeviceStatusValidator implements ParameterValidator {

        @Override

        public int isValid(byte[] params) {

            if (params.length < 1) {

                return ERROR_PARAMETER_SHORT;

            }

            return toErrorCode(isValidTunerDeviceInfo(params));

        }

    }



    /** Check if the given user control press parameter is valid. */

    private class UserControlPressedValidator implements ParameterValidator {

        @Override

services/tests/servicestests/src/com/android/server/hdmi/HdmiCecMessageValidatorTest.java

+110 −0
Original line number Diff line number Diff line
@@ -120,6 +120,16 @@ public class HdmiCecMessageValidatorTest { 
        assertMessageValidity("40:8E:02").isEqualTo(ERROR_PARAMETER);

    }



    @Test

    public void isValid_systemAudioModeRequest() {

        assertMessageValidity("40:70:00:00").isEqualTo(OK);

        assertMessageValidity("40:70").isEqualTo(OK);



        assertMessageValidity("F0:70").isEqualTo(ERROR_SOURCE);

        // Invalid physical address

        assertMessageValidity("40:70:10:10").isEqualTo(ERROR_PARAMETER);

    }



    @Test

    public void isValid_setSystemAudioMode() {

        assertMessageValidity("40:72:00").isEqualTo(OK);
@@ -340,6 +350,8 @@ public class HdmiCecMessageValidatorTest { 
        assertMessageValidity("40:A2:14:09:12:28:4B:19:10:08:10:00").isEqualTo(ERROR_PARAMETER);

        // Invalid External PLug

        assertMessageValidity("04:A1:0C:08:15:05:04:1E:02:04:00").isEqualTo(ERROR_PARAMETER);

        // Invalid Physical Address

        assertMessageValidity("40:A2:14:09:12:28:4B:19:10:05:10:10").isEqualTo(ERROR_PARAMETER);

    }



    @Test
@@ -475,6 +487,51 @@ public class HdmiCecMessageValidatorTest { 
        assertMessageValidity("40:93:91:09:F4:40").isEqualTo(ERROR_PARAMETER);

    }



    @Test

    public void isValid_tunerDeviceStatus() {

        // Displaying digital tuner

        assertMessageValidity("40:07:00:00:11:CE:90:0F:00:78").isEqualTo(OK);

        assertMessageValidity("40:07:80:10:13:0B:34:38").isEqualTo(OK);

        assertMessageValidity("40:07:00:9A:06:F9:D3:E6").isEqualTo(OK);

        assertMessageValidity("40:07:00:91:09:F4:40:C8").isEqualTo(OK);

        // Not displaying tuner

        assertMessageValidity("40:07:01").isEqualTo(OK);

        assertMessageValidity("40:07:81:07:64:B9:02").isEqualTo(OK);

        // Displaying analogue tuner

        assertMessageValidity("40:07:02:00:13:0F:00:96").isEqualTo(OK);

        assertMessageValidity("40:07:82:02:EA:60:1F").isEqualTo(OK);



        assertMessageValidity("4F:07:00:00:11:CE:90:0F:00:78").isEqualTo(ERROR_DESTINATION);

        assertMessageValidity("F0:07:82:02:EA:60:1F").isEqualTo(ERROR_SOURCE);

        assertMessageValidity("40:07").isEqualTo(ERROR_PARAMETER_SHORT);



        // Invalid display info

        assertMessageValidity("40:07:09:A1:8C:17:51").isEqualTo(ERROR_PARAMETER);

        assertMessageValidity("40:07:A7:0C:29").isEqualTo(ERROR_PARAMETER);

        // Invalid Digital Broadcast System

        assertMessageValidity("40:07:00:14:11:CE:90:0F:00:78").isEqualTo(ERROR_PARAMETER);

        // Invalid Digital Broadcast System

        assertMessageValidity("40:07:80:A0:07:95:F1").isEqualTo(ERROR_PARAMETER);

        // Insufficient data for ARIB Broadcast system

        assertMessageValidity("40:07:00:00:11:CE:90:0F:00").isEqualTo(ERROR_PARAMETER);

        // Insufficient data for ATSC Broadcast system

        assertMessageValidity("40:07:80:10:13:0B:34").isEqualTo(ERROR_PARAMETER);

        // Insufficient data for DVB Broadcast system

        assertMessageValidity("40:07:00:18:BE:77:00:7D:01").isEqualTo(ERROR_PARAMETER);

        // Invalid channel number format

        assertMessageValidity("40:07:80:9A:10:F9:D3").isEqualTo(ERROR_PARAMETER);

        // Insufficient data for 1 part channel number

        assertMessageValidity("40:07:00:90:04:F7").isEqualTo(ERROR_PARAMETER);

        // Insufficient data for 2 part channel number

        assertMessageValidity("40:07:80:91:09:F4:40").isEqualTo(ERROR_PARAMETER);

        // Invalid Analogue Broadcast type

        assertMessageValidity("40:07:02:03:EA:60:1F").isEqualTo(ERROR_PARAMETER);

        // Invalid Analogue Frequency

        assertMessageValidity("40:07:82:00:FF:FF:00").isEqualTo(ERROR_PARAMETER);

        // Invalid Broadcast system

        assertMessageValidity("40:07:02:02:EA:60:20").isEqualTo(ERROR_PARAMETER);

    }



    @Test

    public void isValid_UserControlPressed() {

        assertMessageValidity("40:44:07").isEqualTo(OK);
@@ -518,6 +575,59 @@ public class HdmiCecMessageValidatorTest { 
        assertMessageValidity("40:44:57:40").isEqualTo(ERROR_PARAMETER);

    }



    @Test

    public void isValid_physicalAddress() {

        assertMessageValidity("4F:82:10:00").isEqualTo(OK);

        assertMessageValidity("4F:82:12:34").isEqualTo(OK);

        assertMessageValidity("0F:82:00:00").isEqualTo(OK);

        assertMessageValidity("40:9D:14:00").isEqualTo(OK);

        assertMessageValidity("40:9D:10:00").isEqualTo(OK);

        assertMessageValidity("0F:81:44:20").isEqualTo(OK);

        assertMessageValidity("4F:81:13:10").isEqualTo(OK);

        assertMessageValidity("4F:86:14:14").isEqualTo(OK);

        assertMessageValidity("0F:86:15:24").isEqualTo(OK);



        assertMessageValidity("4F:82:10").isEqualTo(ERROR_PARAMETER_SHORT);

        assertMessageValidity("40:9D:14").isEqualTo(ERROR_PARAMETER_SHORT);

        assertMessageValidity("0F:81:44").isEqualTo(ERROR_PARAMETER_SHORT);

        assertMessageValidity("0F:86:15").isEqualTo(ERROR_PARAMETER_SHORT);



        assertMessageValidity("4F:82:10:10").isEqualTo(ERROR_PARAMETER);

        assertMessageValidity("4F:82:10:06").isEqualTo(ERROR_PARAMETER);

        assertMessageValidity("40:9D:14:04").isEqualTo(ERROR_PARAMETER);

        assertMessageValidity("40:9D:10:01").isEqualTo(ERROR_PARAMETER);

        assertMessageValidity("0F:81:44:02").isEqualTo(ERROR_PARAMETER);

        assertMessageValidity("4F:81:13:05").isEqualTo(ERROR_PARAMETER);

        assertMessageValidity("4F:86:10:14").isEqualTo(ERROR_PARAMETER);

        assertMessageValidity("0F:86:10:24").isEqualTo(ERROR_PARAMETER);

    }



    @Test

    public void isValid_reportPhysicalAddress() {

        assertMessageValidity("4F:84:10:00:04").isEqualTo(OK);

        assertMessageValidity("0F:84:00:00:00").isEqualTo(OK);



        assertMessageValidity("4F:84:10:00").isEqualTo(ERROR_PARAMETER_SHORT);

        assertMessageValidity("0F:84:00").isEqualTo(ERROR_PARAMETER_SHORT);

        assertMessageValidity("40:84:10:00:04").isEqualTo(ERROR_DESTINATION);

        // Invalid Physical Address

        assertMessageValidity("4F:84:10:10:04").isEqualTo(ERROR_PARAMETER);

        assertMessageValidity("0F:84:00:30:00").isEqualTo(ERROR_PARAMETER);

        // Invalid Device Type

        assertMessageValidity("4F:84:12:34:08").isEqualTo(ERROR_PARAMETER);

    }



    @Test

    public void isValid_routingChange() {

        assertMessageValidity("0F:80:10:00:40:00").isEqualTo(OK);

        assertMessageValidity("4F:80:12:00:50:00").isEqualTo(OK);



        assertMessageValidity("0F:80:10:00:40").isEqualTo(ERROR_PARAMETER_SHORT);

        assertMessageValidity("40:80:12:00:50:00").isEqualTo(ERROR_DESTINATION);

        assertMessageValidity("0F:80:10:01:40:00").isEqualTo(ERROR_PARAMETER);

        assertMessageValidity("4F:80:12:00:50:50").isEqualTo(ERROR_PARAMETER);

    }



    private IntegerSubject assertMessageValidity(String message) {

        return assertThat(mHdmiCecMessageValidator.isValid(buildMessage(message)));

    }