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hidl2aidl: conversion of confirmationui hidl to aidl am: 77acd43ccb

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Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2183878

Change-Id: If6f6ce29f3dab029f949593a3d48cd15ab3ccfaf
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
This commit is contained in:
Subrahmanyaman
2022-10-03 19:41:03 +00:00
committed by Automerger Merge Worker
parent 617575f593 77acd43ccb
commit 07d44ea699
11 changed files with 511 additions and 0 deletions
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8
compatibility_matrices/compatibility_matrix.current.xml
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@@ -207,6 +207,14 @@
<instance>default</instance> <instance>default</instance>
</interface> </interface>
</hal> </hal>
<hal format="aidl" optional="true">
<name>android.hardware.confirmationui</name>
<version>1</version>
<interface>
<name>IConfirmationUI</name>
<instance>default</instance>
</interface>
</hal>
<hal format="aidl" optional="true"> <hal format="aidl" optional="true">
<name>android.hardware.contexthub</name> <name>android.hardware.contexthub</name>
<interface> <interface>

2
confirmationui/OWNERS Normal file
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swillden@google.com
subrahmanyaman@google.com

38
confirmationui/aidl/Android.bp Normal file
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// Copyright (C) 2022 The Android Open-Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package {
default_applicable_licenses: ["Android-Apache-2.0"],
}
aidl_interface {
name: "android.hardware.confirmationui",
vendor_available: true,
imports: [
"android.hardware.security.keymint-V2",
],
srcs: ["android/hardware/confirmationui/*.aidl"],
stability: "vintf",
backend: {
java: {
platform_apis: true,
},
ndk: {
apps_enabled: false,
},
cpp: {
enabled: false,
},
},
}

38
confirmationui/aidl/aidl_api/android.hardware.confirmationui/current/android/hardware/confirmationui/IConfirmationResultCallback.aidl Normal file
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@@ -0,0 +1,38 @@
/*
* Copyright (C) 2022 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
///////////////////////////////////////////////////////////////////////////////
// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE. //
///////////////////////////////////////////////////////////////////////////////
// This file is a snapshot of an AIDL file. Do not edit it manually. There are
// two cases:
// 1). this is a frozen version file - do not edit this in any case.
// 2). this is a 'current' file. If you make a backwards compatible change to
// the interface (from the latest frozen version), the build system will
// prompt you to update this file with `m <name>-update-api`.
//
// You must not make a backward incompatible change to any AIDL file built
// with the aidl_interface module type with versions property set. The module
// type is used to build AIDL files in a way that they can be used across
// independently updatable components of the system. If a device is shipped
// with such a backward incompatible change, it has a high risk of breaking
// later when a module using the interface is updated, e.g., Mainline modules.
package android.hardware.confirmationui;
@VintfStability
interface IConfirmationResultCallback {
void result(in int error, in byte[] formattedMessage, in byte[] confirmationToken);
}

54
confirmationui/aidl/aidl_api/android.hardware.confirmationui/current/android/hardware/confirmationui/IConfirmationUI.aidl Normal file
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@@ -0,0 +1,54 @@
/*
* Copyright (C) 2022 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
///////////////////////////////////////////////////////////////////////////////
// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE. //
///////////////////////////////////////////////////////////////////////////////
// This file is a snapshot of an AIDL file. Do not edit it manually. There are
// two cases:
// 1). this is a frozen version file - do not edit this in any case.
// 2). this is a 'current' file. If you make a backwards compatible change to
// the interface (from the latest frozen version), the build system will
// prompt you to update this file with `m <name>-update-api`.
//
// You must not make a backward incompatible change to any AIDL file built
// with the aidl_interface module type with versions property set. The module
// type is used to build AIDL files in a way that they can be used across
// independently updatable components of the system. If a device is shipped
// with such a backward incompatible change, it has a high risk of breaking
// later when a module using the interface is updated, e.g., Mainline modules.
package android.hardware.confirmationui;
@VintfStability
interface IConfirmationUI {
void abort();
void deliverSecureInputEvent(in android.hardware.security.keymint.HardwareAuthToken secureInputToken);
void promptUserConfirmation(in android.hardware.confirmationui.IConfirmationResultCallback resultCB, in byte[] promptText, in byte[] extraData, in @utf8InCpp String locale, in android.hardware.confirmationui.UIOption[] uiOptions);
const int OK = 0;
const int CANCELED = 1;
const int ABORTED = 2;
const int OPERATION_PENDING = 3;
const int IGNORED = 4;
const int SYSTEM_ERROR = 5;
const int UNIMPLEMENTED = 6;
const int UNEXPECTED = 7;
const int UI_ERROR = 65536;
const int UI_ERROR_MISSING_GLYPH = 65537;
const int UI_ERROR_MESSAGE_TOO_LONG = 65538;
const int UI_ERROR_MALFORMED_UTF8ENCODING = 65539;
const int TEST_KEY_BYTE = 165;
const int MAX_MESSAGE_SIZE = 6144;
}

39
confirmationui/aidl/aidl_api/android.hardware.confirmationui/current/android/hardware/confirmationui/TestModeCommands.aidl Normal file
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/*
* Copyright (C) 2022 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
///////////////////////////////////////////////////////////////////////////////
// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE. //
///////////////////////////////////////////////////////////////////////////////
// This file is a snapshot of an AIDL file. Do not edit it manually. There are
// two cases:
// 1). this is a frozen version file - do not edit this in any case.
// 2). this is a 'current' file. If you make a backwards compatible change to
// the interface (from the latest frozen version), the build system will
// prompt you to update this file with `m <name>-update-api`.
//
// You must not make a backward incompatible change to any AIDL file built
// with the aidl_interface module type with versions property set. The module
// type is used to build AIDL files in a way that they can be used across
// independently updatable components of the system. If a device is shipped
// with such a backward incompatible change, it has a high risk of breaking
// later when a module using the interface is updated, e.g., Mainline modules.
package android.hardware.confirmationui;
@Backing(type="int") @VintfStability
enum TestModeCommands {
OK_EVENT = 0,
CANCEL_EVENT = 1,
}

39
confirmationui/aidl/aidl_api/android.hardware.confirmationui/current/android/hardware/confirmationui/UIOption.aidl Normal file
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@@ -0,0 +1,39 @@
/*
* Copyright (C) 2022 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
///////////////////////////////////////////////////////////////////////////////
// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE. //
///////////////////////////////////////////////////////////////////////////////
// This file is a snapshot of an AIDL file. Do not edit it manually. There are
// two cases:
// 1). this is a frozen version file - do not edit this in any case.
// 2). this is a 'current' file. If you make a backwards compatible change to
// the interface (from the latest frozen version), the build system will
// prompt you to update this file with `m <name>-update-api`.
//
// You must not make a backward incompatible change to any AIDL file built
// with the aidl_interface module type with versions property set. The module
// type is used to build AIDL files in a way that they can be used across
// independently updatable components of the system. If a device is shipped
// with such a backward incompatible change, it has a high risk of breaking
// later when a module using the interface is updated, e.g., Mainline modules.
package android.hardware.confirmationui;
@Backing(type="int") @VintfStability
enum UIOption {
ACCESSIBILITY_INVERTED = 0,
ACCESSIBILITY_MAGNIFIED = 1,
}

66
confirmationui/aidl/android/hardware/confirmationui/IConfirmationResultCallback.aidl Normal file
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@@ -0,0 +1,66 @@
/*
* Copyright (C) 2022 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.hardware.confirmationui;
import android.hardware.confirmationui.IConfirmationUI;
/**
* Callback interface passed to IConfirmationUI::promptUserConfirmation().
* Informs the caller about the result of the prompt operation.
*/
@VintfStability
interface IConfirmationResultCallback {
/**
* This callback is called by the confirmation provider when it stops prompting the user.
* Iff the user has confirmed the prompted text, error is ErrorCode::OK and the
* parameters formattedMessage and confirmationToken hold the values needed to request
* a signature from keymaster.
* In all other cases formattedMessage and confirmationToken must be of length 0.
*
* @param error - OK: IFF the user has confirmed the prompt.
* - CANCELED: If the user has pressed the cancel button.
* - ABORTED: If IConfirmationUI::abort() was called.
* - SYSTEM_ERROR: If an unexpected System error occurred that prevented the TUI
* from being shut down gracefully.
*
* @param formattedMessage holds the prompt text and extra data.
* The message is CBOR (RFC 7049) encoded and has the following format:
* CBOR_MAP{ "prompt", <promptText>, "extra", <extraData> }
* The message is a CBOR encoded map (type 5) with the keys
* "prompt" and "extra". The keys are encoded as CBOR text string
* (type 3). The value <promptText> is encoded as CBOR text string
* (type 3), and the value <extraData> is encoded as CBOR byte string
* (type 2). The map must have exactly one key value pair for each of
* the keys "prompt" and "extra". Other keys are not allowed.
* The value of "prompt" is given by the proptText argument to
* IConfirmationUI::promptUserConfirmation and must not be modified
* by the implementation.
* The value of "extra" is given by the extraData argument to
* IConfirmationUI::promptUserConfirmation and must not be modified
* or interpreted by the implementation.
*
* @param confirmationToken a 32-byte HMAC-SHA256 value, computed over
* "confirmation token" || <formattedMessage>
* i.e. the literal UTF-8 encoded string "confirmation token", without
* the "", concatenated with the formatted message as returned in the
* formattedMessage argument. The HMAC is keyed with a 256-bit secret
* which is shared with Keymaster. In test mode the test key MUST be
* used (see types.hal TestModeCommands and
* IConfirmationUI::TEST_KEY_BYTE).
*/
void result(in int error, in byte[] formattedMessage, in byte[] confirmationToken);
}

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confirmationui/aidl/android/hardware/confirmationui/IConfirmationUI.aidl Normal file
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/*
* Copyright (C) 2022 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.hardware.confirmationui;
import android.hardware.confirmationui.IConfirmationResultCallback;
import android.hardware.confirmationui.UIOption;
import android.hardware.security.keymint.HardwareAuthToken;
@VintfStability
interface IConfirmationUI {
// Possible Errors.
/**
* API call succeeded or the user gave approval (result callback).
*/
const int OK = 0;
/**
* The user canceled the TUI (result callback).
*/
const int CANCELED = 1;
/**
* IConfirmationUI::abort() was called. (result callback).
*/
const int ABORTED = 2;
/**
* Cannot start another prompt.
*/
const int OPERATION_PENDING = 3;
/**
* IConfirmationUI::deliverSecureInputEvent call was ignored.
*/
const int IGNORED = 4;
/**
* An unexpected system error occurred.
*/
const int SYSTEM_ERROR = 5;
/**
* Returned by an unimplemented API call.
*/
const int UNIMPLEMENTED = 6;
/**
* This is returned when an error is diagnosed that should have been
* caught by earlier input sanitization. Should never be seen in production.
*/
const int UNEXPECTED = 7;
/**
* General UI error.
*/
const int UI_ERROR = 0x10000;
/**
* This is returned if there is no corresponding glyph for a character.
*/
const int UI_ERROR_MISSING_GLYPH = 0x10001;
/**
* The implementation must return this error code on promptUserConfirmation if the
* resulting formatted message does not fit into MAX_MESSAGE_SIZE bytes. It is
* advised that the implementation formats the message upon receiving this API call to
* be able to diagnose this syndrome.
*/
const int UI_ERROR_MESSAGE_TOO_LONG = 0x10002;
/**
* This is returned if the UTF8 encoding is malformed.
*/
const int UI_ERROR_MALFORMED_UTF8ENCODING = 0x10003;
// Constants
/**
* The test key is 32byte word with all bytes set to TEST_KEY_BYTE.
*/
const int TEST_KEY_BYTE = 0xA5;
/**
* This defines the maximum message size. This indirectly limits the size of the prompt text
* and the extra data that can be passed to the confirmation UI. The prompt text and extra data
* must fit in to this size including CBOR header information.
*/
const int MAX_MESSAGE_SIZE = 0x1800;
/**
* Aborts a pending user prompt. This allows the framework to gracefully end a TUI dialog.
* If a TUI operation was pending the corresponding call back is informed with
* ErrorCode::Aborted.
*/
void abort();
/**
* DeliverSecureInput is used by the framework to deliver a secure input event to the
* confirmation provider.
*
* VTS test mode:
* This function can be used to test certain code paths non-interactively.
* See TestModeCommands.aidl for details.
*
* @param secureInputToken An authentication token as generated by Android authentication
* providers.
*/
void deliverSecureInputEvent(in HardwareAuthToken secureInputToken);
/**
* Asynchronously initiates a confirmation UI dialog prompting the user to confirm a given text.
* The TUI prompt must be implemented in such a way that a positive response indicates with
* high confidence that a user has seen the given prompt text even if the Android framework
* including the kernel was compromised.
*
* Service status return:
*
* OK IFF the dialog was successfully started. In this case, and only in this
* case, the implementation must, eventually, call the callback to
* indicate completion.
* OPERATION_PENDING is returned when the confirmation provider is currently
* in use.
* SYSTEM_ERROR an error occurred trying to communicate with the confirmation
* provider (e.g. trusted app).
* UI_ERROR the confirmation provider encountered an issue with displaying
* the prompt text to the user.
*
* @param resultCB Implementation of IResultCallback. Used by the implementation to report
* the result of the current pending user prompt.
*
* @param promptText UTF-8 encoded bytes which is to be presented to the user.
*
* @param extraData A binary blob that must be included in the formatted output message as is.
* It is opaque to the implementation. Implementations must neither interpret
* nor modify the content.
*
* @param locale String specifying the locale that must be used by the TUI dialog. The string
* is an IETF BCP 47 tag.
*
* @param uiOptions A set of uiOptions manipulating how the confirmation prompt is displayed.
* Refer to UIOption in types.hal for possible options.
*/
void promptUserConfirmation(in IConfirmationResultCallback resultCB, in byte[] promptText,
in byte[] extraData, in @utf8InCpp String locale, in UIOption[] uiOptions);
}

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confirmationui/aidl/android/hardware/confirmationui/TestModeCommands.aidl Normal file
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/*
* Copyright (C) 2022 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.hardware.confirmationui;
/**
* Test mode commands.
*
* IConfirmationUI::deliverSecureInputEvent can be used to test certain code paths.
* To that end, the caller passes an auth token that has an HMAC keyed with the test key
* (see IConfirmationUI::TEST_KEY_BYTE). Implementations first check the HMAC against test key.
* If the test key produces a matching HMAC, the implementation evaluates the challenge field
* of the auth token against the values defined in TestModeCommand.
* If the command indicates that a confirmation token is to be generated the test key MUST be used
* to generate this confirmation token.
*
* See command code for individual test command descriptions.
*/
@VintfStability
@Backing(type="int")
enum TestModeCommands {
/**
* Simulates the user pressing the OK button on the UI. If no operation is pending
* ResponseCode::Ignored must be returned. A pending operation is finalized successfully
* see IConfirmationResultCallback::result, however, the test key
* (see IConfirmationUI::TEST_KEY_BYTE) MUST be used to generate the confirmation token.
*/
OK_EVENT = 0,
/**
* Simulates the user pressing the CANCEL button on the UI. If no operation is pending
* Result::Ignored must be returned. A pending operation is finalized as specified in
* IConfirmationResultCallback.hal.
*/
CANCEL_EVENT = 1,
}

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confirmationui/aidl/android/hardware/confirmationui/UIOption.aidl Normal file
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/*
* Copyright (C) 2022 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.hardware.confirmationui;
/**
* UI modification options.
*/
@VintfStability
@Backing(type="int")
enum UIOption {
/**
* Accessibility: Requests color inverted style.
*/
ACCESSIBILITY_INVERTED = 0,
/**
* Accessibility: Requests magnified style.
*/
ACCESSIBILITY_MAGNIFIED = 1,
}