diff options
| author | 2020-11-10 22:36:05 +0000 | |
|---|---|---|
| committer | 2020-11-10 22:36:05 +0000 | |
| commit | 59fe19b6ff93fcfd69ac8d71e9d2e3d721444add (patch) | |
| tree | 716e459344c7e3526558dc0fde0e36fd2177b1c9 | |
| parent | c202a17a0811132cdd409d48efe50f663ae0987a (diff) | |
| parent | 60e50ffb9ae5019aaad7622751542704f1975bf5 (diff) | |
Merge changes Ib7d4be70,Ia0f12e9b,I540c2900,Ife9ad043,Ie81c995b, ... am: f501120399 am: 60e50ffb9a
Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1494256
Change-Id: Ia39e8689cad2e37502f79cc7eeefc04b37174f7b
| -rw-r--r-- | services/core/java/com/android/server/hdmi/HdmiCecMessageValidator.java | 190 | ||||
| -rw-r--r-- | services/tests/servicestests/src/com/android/server/hdmi/HdmiCecMessageValidatorTest.java | 141 |
2 files changed, 318 insertions, 13 deletions
diff --git a/services/core/java/com/android/server/hdmi/HdmiCecMessageValidator.java b/services/core/java/com/android/server/hdmi/HdmiCecMessageValidator.java index fe97f701e089..ea2453216a59 100644 --- a/services/core/java/com/android/server/hdmi/HdmiCecMessageValidator.java +++ b/services/core/java/com/android/server/hdmi/HdmiCecMessageValidator.java @@ -148,9 +148,25 @@ public class HdmiCecMessageValidator { addValidationInfo(Constants.MESSAGE_SET_MENU_LANGUAGE, new AsciiValidator(3), DEST_BROADCAST); - // TODO: Handle messages for the Deck Control. + ParameterValidator statusRequestValidator = new OneByteRangeValidator(0x01, 0x03); + addValidationInfo( + Constants.MESSAGE_DECK_CONTROL, new OneByteRangeValidator(0x01, 0x04), DEST_DIRECT); + addValidationInfo( + Constants.MESSAGE_DECK_STATUS, new OneByteRangeValidator(0x11, 0x1F), DEST_DIRECT); + 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( + Constants.MESSAGE_SELECT_ANALOG_SERVICE, + new SelectAnalogueServiceValidator(), + DEST_DIRECT); + addValidationInfo( + Constants.MESSAGE_SELECT_DIGITAL_SERVICE, + new SelectDigitalServiceValidator(), + DEST_DIRECT); // Messages for the Vendor Specific Commands. VariableLengthValidator maxLengthValidator = new VariableLengthValidator(0, 14); @@ -176,9 +192,10 @@ public class HdmiCecMessageValidator { Constants.MESSAGE_MENU_STATUS, new OneByteRangeValidator(0x00, 0x01), DEST_DIRECT); // Messages for the Remote Control Passthrough. - // TODO: Parse the first parameter and determine if it can have the next parameter. - addValidationInfo(Constants.MESSAGE_USER_CONTROL_PRESSED, - new VariableLengthValidator(1, 2), DEST_DIRECT); + addValidationInfo( + Constants.MESSAGE_USER_CONTROL_PRESSED, + new UserControlPressedValidator(), + DEST_DIRECT); // Messages for the Power Status. addValidationInfo( @@ -515,6 +532,28 @@ public class HdmiCecMessageValidator { } /** + * Check if the given value is a valid Channel Identifier. A valid value is one which falls + * within the range description defined in CEC 1.4 Specification : Operand Descriptions (Section + * 17) + * + * @param params Channel Identifier parameters + * @param offset start offset of Channel Identifier + * @return true if the Channel Identifier is valid + */ + private boolean isValidChannelIdentifier(byte[] params, int offset) { + // First 6 bits contain Channel Number Format + int channelNumberFormat = params[offset] & 0xFC; + if (channelNumberFormat == 0x04) { + // Validate it contains 1-part Channel Number data (16 bits) + return params.length - offset >= 3; + } else if (channelNumberFormat == 0x08) { + // Validate it contains Major Channel Number and Minor Channel Number (26 bits) + return params.length - offset >= 4; + } + return false; + } + + /** * Check if the given value is a valid Digital Service Identification. A valid value is one * which falls within the range description defined in CEC 1.4 Specification : Operand * Descriptions (Section 17) @@ -544,15 +583,7 @@ public class HdmiCecMessageValidator { } else if (serviceIdentificationMethod == 0x80) { // Services identified by Channel if (isValidDigitalBroadcastSystem(digitalBroadcastSystem)) { - // First 6 bits contain Channel Number Format - int channelNumberFormat = params[offset] & 0xFC; - if (channelNumberFormat == 0x04) { - // Validate it contains 1-part Channel Number data (16 bits) - return params.length - offset >= 3; - } else if (channelNumberFormat == 0x08) { - // Validate it contains Major Channel Number and Minor Channel Number (26 bits) - return params.length - offset >= 4; - } + return isValidChannelIdentifier(params, offset); } } return false; @@ -632,6 +663,65 @@ public class HdmiCecMessageValidator { return false; } + /** + * Check if the given value is a valid Play mode. A valid value is one which falls within the + * range description defined in CEC 1.4 Specification : Operand Descriptions (Section 17) + * + * @param value Play mode + * @return true if the Play mode is valid + */ + private boolean isValidPlayMode(int value) { + return (isWithinRange(value, 0x05, 0x07) + || isWithinRange(value, 0x09, 0x0B) + || isWithinRange(value, 0x15, 0x17) + || isWithinRange(value, 0x19, 0x1B) + || isWithinRange(value, 0x24, 0x25) + || (value == 0x20)); + } + + /** + * Check if the given value is a valid UI Broadcast type. A valid value is one which falls + * within the range description defined in CEC 1.4 Specification : Operand Descriptions (Section + * 17) + * + * @param value UI Broadcast type + * @return true if the UI Broadcast type is valid + */ + private boolean isValidUiBroadcastType(int value) { + return ((value == 0x00) + || (value == 0x01) + || (value == 0x10) + || (value == 0x20) + || (value == 0x30) + || (value == 0x40) + || (value == 0x50) + || (value == 0x60) + || (value == 0x70) + || (value == 0x80) + || (value == 0x90) + || (value == 0x91) + || (value == 0xA0)); + } + + /** + * Check if the given value is a valid UI Sound Presenation Control. A valid value is one which + * falls within the range description defined in CEC 1.4 Specification : Operand Descriptions + * (Section 17) + * + * @param value UI Sound Presenation Control + * @return true if the UI Sound Presenation Control is valid + */ + private boolean isValidUiSoundPresenationControl(int value) { + value = value & 0xFF; + return ((value == 0x20) + || (value == 0x30) + || (value == 0x80) + || (value == 0x90) + || (value == 0xA0) + || (isWithinRange(value, 0xB1, 0xB3)) + || (isWithinRange(value, 0xC1, 0xC3))); + } + private class PhysicalAddressValidator implements ParameterValidator { @Override public int isValid(byte[] params) { @@ -863,4 +953,78 @@ public class HdmiCecMessageValidator { return toErrorCode(isValidTimerStatusData(params, 0)); } } + + /** + * Check if the given play mode parameter is valid. A valid parameter should lie within the + * range description defined in CEC 1.4 Specification : Operand Descriptions (Section 17) + */ + private class PlayModeValidator implements ParameterValidator { + @Override + public int isValid(byte[] params) { + if (params.length < 1) { + return ERROR_PARAMETER_SHORT; + } + return toErrorCode(isValidPlayMode(params[0])); + } + } + + /** + * Check if the given select analogue service parameter is valid. A valid parameter should lie + * within the range description defined in CEC 1.4 Specification : Operand Descriptions + * (Section 17) + */ + private class SelectAnalogueServiceValidator implements ParameterValidator { + @Override + public int isValid(byte[] params) { + if (params.length < 4) { + return ERROR_PARAMETER_SHORT; + } + return toErrorCode(isValidAnalogueBroadcastType(params[0]) + && isValidAnalogueFrequency(HdmiUtils.twoBytesToInt(params, 1)) + && isValidBroadcastSystem(params[3])); + } + } + + /** + * Check if the given select digital service parameter is valid. A valid parameter should lie + * within the range description defined in CEC 1.4 Specification : Operand Descriptions + * (Section 17) + */ + private class SelectDigitalServiceValidator implements ParameterValidator { + @Override + public int isValid(byte[] params) { + if (params.length < 4) { + return ERROR_PARAMETER_SHORT; + } + return toErrorCode(isValidDigitalServiceIdentification(params, 0)); + } + } + + /** Check if the given user control press parameter is valid. */ + private class UserControlPressedValidator implements ParameterValidator { + @Override + public int isValid(byte[] params) { + if (params.length < 1) { + return ERROR_PARAMETER_SHORT; + } + if (params.length == 1) { + return OK; + } + int uiCommand = params[0]; + switch (uiCommand) { + case HdmiCecKeycode.CEC_KEYCODE_PLAY_FUNCTION: + return toErrorCode(isValidPlayMode(params[1])); + case HdmiCecKeycode.CEC_KEYCODE_TUNE_FUNCTION: + return (params.length >= 4 + ? toErrorCode(isValidChannelIdentifier(params, 1)) + : ERROR_PARAMETER_SHORT); + case HdmiCecKeycode.CEC_KEYCODE_SELECT_BROADCAST_TYPE: + return toErrorCode(isValidUiBroadcastType(params[1])); + case HdmiCecKeycode.CEC_KEYCODE_SELECT_SOUND_PRESENTATION: + return toErrorCode(isValidUiSoundPresenationControl(params[1])); + default: + return OK; + } + } + } } diff --git a/services/tests/servicestests/src/com/android/server/hdmi/HdmiCecMessageValidatorTest.java b/services/tests/servicestests/src/com/android/server/hdmi/HdmiCecMessageValidatorTest.java index 553df3bafd00..63d7dbd15031 100644 --- a/services/tests/servicestests/src/com/android/server/hdmi/HdmiCecMessageValidatorTest.java +++ b/services/tests/servicestests/src/com/android/server/hdmi/HdmiCecMessageValidatorTest.java @@ -353,6 +353,147 @@ public class HdmiCecMessageValidatorTest { assertMessageValidity("40:35:EE:52:4A").isEqualTo(ERROR_PARAMETER); } + @Test + public void isValid_deckControl() { + assertMessageValidity("40:42:01:6E").isEqualTo(OK); + assertMessageValidity("40:42:04").isEqualTo(OK); + + assertMessageValidity("4F:42:01").isEqualTo(ERROR_DESTINATION); + assertMessageValidity("F0:42:04").isEqualTo(ERROR_SOURCE); + assertMessageValidity("40:42").isEqualTo(ERROR_PARAMETER_SHORT); + assertMessageValidity("40:42:05").isEqualTo(ERROR_PARAMETER); + } + + @Test + public void isValid_deckStatus() { + assertMessageValidity("40:1B:11:58").isEqualTo(OK); + assertMessageValidity("40:1B:1F").isEqualTo(OK); + + assertMessageValidity("4F:1B:11").isEqualTo(ERROR_DESTINATION); + assertMessageValidity("F0:1B:1F").isEqualTo(ERROR_SOURCE); + assertMessageValidity("40:1B").isEqualTo(ERROR_PARAMETER_SHORT); + assertMessageValidity("40:1B:10").isEqualTo(ERROR_PARAMETER); + assertMessageValidity("40:1B:20").isEqualTo(ERROR_PARAMETER); + } + + @Test + public void isValid_statusRequest() { + assertMessageValidity("40:08:01").isEqualTo(OK); + assertMessageValidity("40:08:02:5C").isEqualTo(OK); + assertMessageValidity("40:1A:01:F8").isEqualTo(OK); + assertMessageValidity("40:1A:03").isEqualTo(OK); + + assertMessageValidity("4F:08:01").isEqualTo(ERROR_DESTINATION); + assertMessageValidity("F0:08:03").isEqualTo(ERROR_SOURCE); + assertMessageValidity("4F:1A:01").isEqualTo(ERROR_DESTINATION); + assertMessageValidity("F0:1A:03").isEqualTo(ERROR_SOURCE); + assertMessageValidity("40:08").isEqualTo(ERROR_PARAMETER_SHORT); + assertMessageValidity("40:1A").isEqualTo(ERROR_PARAMETER_SHORT); + assertMessageValidity("40:08:00").isEqualTo(ERROR_PARAMETER); + assertMessageValidity("40:08:05").isEqualTo(ERROR_PARAMETER); + assertMessageValidity("40:1A:00").isEqualTo(ERROR_PARAMETER); + assertMessageValidity("40:1A:04").isEqualTo(ERROR_PARAMETER); + } + + @Test + public void isValid_play() { + assertMessageValidity("40:41:16:E3").isEqualTo(OK); + assertMessageValidity("40:41:20").isEqualTo(OK); + + assertMessageValidity("4F:41:16").isEqualTo(ERROR_DESTINATION); + assertMessageValidity("F0:41:20").isEqualTo(ERROR_SOURCE); + assertMessageValidity("40:41").isEqualTo(ERROR_PARAMETER_SHORT); + assertMessageValidity("40:41:04").isEqualTo(ERROR_PARAMETER); + assertMessageValidity("40:41:18").isEqualTo(ERROR_PARAMETER); + assertMessageValidity("40:41:23").isEqualTo(ERROR_PARAMETER); + assertMessageValidity("40:41:26").isEqualTo(ERROR_PARAMETER); + } + + @Test + public void isValid_selectAnalogueService() { + assertMessageValidity("40:92:00:13:0F:00:96").isEqualTo(OK); + assertMessageValidity("40:92:02:EA:60:1F").isEqualTo(OK); + + assertMessageValidity("4F:92:00:13:0F:00").isEqualTo(ERROR_DESTINATION); + assertMessageValidity("F0:92:02:EA:60:1F").isEqualTo(ERROR_SOURCE); + assertMessageValidity("40:92:00:13:0F").isEqualTo(ERROR_PARAMETER_SHORT); + // Invalid Analogue Broadcast type + assertMessageValidity("40:92:03:EA:60:1F").isEqualTo(ERROR_PARAMETER); + // Invalid Analogue Frequency + assertMessageValidity("40:92:00:FF:FF:00").isEqualTo(ERROR_PARAMETER); + // Invalid Broadcast system + assertMessageValidity("40:92:02:EA:60:20").isEqualTo(ERROR_PARAMETER); + } + + @Test + public void isValid_selectDigitalService() { + assertMessageValidity("40:93:00:11:CE:90:0F:00:78").isEqualTo(OK); + assertMessageValidity("40:93:10:13:0B:34:38").isEqualTo(OK); + assertMessageValidity("40:93:9A:06:F9:D3:E6").isEqualTo(OK); + assertMessageValidity("40:93:91:09:F4:40:C8").isEqualTo(OK); + + assertMessageValidity("4F:93:00:11:CE:90:0F:00:78").isEqualTo(ERROR_DESTINATION); + assertMessageValidity("F0:93:10:13:0B:34:38").isEqualTo(ERROR_SOURCE); + assertMessageValidity("40:93:9A:06:F9").isEqualTo(ERROR_PARAMETER_SHORT); + // Invalid Digital Broadcast System + assertMessageValidity("40:93:14:11:CE:90:0F:00:78").isEqualTo(ERROR_PARAMETER); + // Invalid Digital Broadcast System + assertMessageValidity("40:93:A0:07:95:F1").isEqualTo(ERROR_PARAMETER); + // Insufficient data for ARIB Broadcast system + assertMessageValidity("40:93:00:11:CE:90:0F:00").isEqualTo(ERROR_PARAMETER); + // Insufficient data for ATSC Broadcast system + assertMessageValidity("40:93:10:13:0B:34").isEqualTo(ERROR_PARAMETER); + // Insufficient data for DVB Broadcast system + assertMessageValidity("40:93:18:BE:77:00:7D:01").isEqualTo(ERROR_PARAMETER); + // Invalid channel number format + assertMessageValidity("40:93:9A:10:F9:D3").isEqualTo(ERROR_PARAMETER); + // Insufficient data for 2 part channel number + assertMessageValidity("40:93:91:09:F4:40").isEqualTo(ERROR_PARAMETER); + } + + @Test + public void isValid_UserControlPressed() { + assertMessageValidity("40:44:07").isEqualTo(OK); + assertMessageValidity("40:44:52:A7").isEqualTo(OK); + + assertMessageValidity("40:44:60").isEqualTo(OK); + assertMessageValidity("40:44:60:1A").isEqualTo(OK); + + assertMessageValidity("40:44:67").isEqualTo(OK); + assertMessageValidity("40:44:67:04:00:B1").isEqualTo(OK); + assertMessageValidity("40:44:67:09:C8:72:C8").isEqualTo(OK); + + assertMessageValidity("40:44:68").isEqualTo(OK); + assertMessageValidity("40:44:68:93").isEqualTo(OK); + assertMessageValidity("40:44:69").isEqualTo(OK); + assertMessageValidity("40:44:69:7C").isEqualTo(OK); + assertMessageValidity("40:44:6A").isEqualTo(OK); + assertMessageValidity("40:44:6A:B4").isEqualTo(OK); + + assertMessageValidity("40:44:56").isEqualTo(OK); + assertMessageValidity("40:44:56:60").isEqualTo(OK); + + assertMessageValidity("40:44:57").isEqualTo(OK); + assertMessageValidity("40:44:57:A0").isEqualTo(OK); + + assertMessageValidity("4F:44:07").isEqualTo(ERROR_DESTINATION); + assertMessageValidity("F0:44:52:A7").isEqualTo(ERROR_SOURCE); + assertMessageValidity("40:44").isEqualTo(ERROR_PARAMETER_SHORT); + assertMessageValidity("40:44:67:04:B1").isEqualTo(ERROR_PARAMETER_SHORT); + // Invalid Play mode + assertMessageValidity("40:44:60:04").isEqualTo(ERROR_PARAMETER); + assertMessageValidity("40:44:60:08").isEqualTo(ERROR_PARAMETER); + assertMessageValidity("40:44:60:26").isEqualTo(ERROR_PARAMETER); + // Invalid Channel Identifier - Channel number format + assertMessageValidity("40:44:67:11:8A:42").isEqualTo(ERROR_PARAMETER); + // Insufficient data for 2 - part channel number + assertMessageValidity("40:44:67:09:C8:72").isEqualTo(ERROR_PARAMETER); + // Invalid UI Broadcast type + assertMessageValidity("40:44:56:11").isEqualTo(ERROR_PARAMETER); + // Invalid UI Sound Presentation Control + assertMessageValidity("40:44:57:40").isEqualTo(ERROR_PARAMETER); + } + private IntegerSubject assertMessageValidity(String message) { return assertThat(mHdmiCecMessageValidator.isValid(buildMessage(message))); } |