Add weaver aidl interface
Bug: 176107318
Change-Id: I4dd064843e3e630b878ff08f89100e1b4303a02c
diff --git a/compatibility_matrices/compatibility_matrix.current.xml b/compatibility_matrices/compatibility_matrix.current.xml
index d371f7c..96124f9 100644
--- a/compatibility_matrices/compatibility_matrix.current.xml
+++ b/compatibility_matrices/compatibility_matrix.current.xml
@@ -569,6 +569,14 @@
<instance>default</instance>
</interface>
</hal>
+ <hal format="aidl" optional="true">
+ <name>android.hardware.weaver</name>
+ <version>1</version>
+ <interface>
+ <name>IWeaver</name>
+ <instance>default</instance>
+ </interface>
+ </hal>
<hal format="hidl" optional="true">
<name>android.hardware.wifi</name>
<version>1.3-4</version>
diff --git a/weaver/aidl/Android.bp b/weaver/aidl/Android.bp
new file mode 100644
index 0000000..5637e0a
--- /dev/null
+++ b/weaver/aidl/Android.bp
@@ -0,0 +1,16 @@
+aidl_interface {
+ name: "android.hardware.weaver",
+ vendor_available: true,
+ srcs: ["android/hardware/weaver/*.aidl"],
+ stability: "vintf",
+ backend: {
+ java: {
+ platform_apis: true,
+ },
+ ndk: {
+ vndk: {
+ enabled: true,
+ },
+ },
+ },
+}
diff --git a/weaver/aidl/aidl_api/android.hardware.weaver/current/android/hardware/weaver/IWeaver.aidl b/weaver/aidl/aidl_api/android.hardware.weaver/current/android/hardware/weaver/IWeaver.aidl
new file mode 100644
index 0000000..29bd9a9
--- /dev/null
+++ b/weaver/aidl/aidl_api/android.hardware.weaver/current/android/hardware/weaver/IWeaver.aidl
@@ -0,0 +1,42 @@
+/*
+ * Copyright 2020 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.weaver;
+@VintfStability
+interface IWeaver {
+ android.hardware.weaver.WeaverConfig getConfig();
+ android.hardware.weaver.WeaverReadResponse read(in int slotId, in byte[] key);
+ void write(in int slotId, in byte[] key, in byte[] value);
+ const int STATUS_FAILED = 1;
+ const int INCORRECT_KEY = 2;
+ const int THROTTLE = 3;
+}
diff --git a/weaver/aidl/aidl_api/android.hardware.weaver/current/android/hardware/weaver/WeaverConfig.aidl b/weaver/aidl/aidl_api/android.hardware.weaver/current/android/hardware/weaver/WeaverConfig.aidl
new file mode 100644
index 0000000..239cdac
--- /dev/null
+++ b/weaver/aidl/aidl_api/android.hardware.weaver/current/android/hardware/weaver/WeaverConfig.aidl
@@ -0,0 +1,39 @@
+/*
+ * Copyright 2020 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.weaver;
+@VintfStability
+parcelable WeaverConfig {
+ long slots;
+ long keySize;
+ long valueSize;
+}
diff --git a/weaver/aidl/aidl_api/android.hardware.weaver/current/android/hardware/weaver/WeaverReadResponse.aidl b/weaver/aidl/aidl_api/android.hardware.weaver/current/android/hardware/weaver/WeaverReadResponse.aidl
new file mode 100644
index 0000000..7e5db59
--- /dev/null
+++ b/weaver/aidl/aidl_api/android.hardware.weaver/current/android/hardware/weaver/WeaverReadResponse.aidl
@@ -0,0 +1,38 @@
+/*
+ * Copyright 2020 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.weaver;
+@VintfStability
+parcelable WeaverReadResponse {
+ long timeout;
+ byte[] value;
+}
diff --git a/weaver/aidl/android/hardware/weaver/IWeaver.aidl b/weaver/aidl/android/hardware/weaver/IWeaver.aidl
new file mode 100644
index 0000000..ebbfabe
--- /dev/null
+++ b/weaver/aidl/android/hardware/weaver/IWeaver.aidl
@@ -0,0 +1,94 @@
+/*
+ * Copyright 2020 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.weaver;
+
+import android.hardware.weaver.WeaverConfig;
+import android.hardware.weaver.WeaverReadResponse;
+
+/**
+ * Weaver provides secure storage of secret values that may only be read if the
+ * corresponding key has been presented.
+ *
+ * The storage must be secure as the device's user authentication and encryption
+ * relies on the security of these values. The cardinality of the domains of the
+ * key and value must be suitably large such that they cannot be easily guessed.
+ *
+ * Weaver is structured as an array of slots, each containing a key-value pair.
+ * Slots are uniquely identified by an ID in the range [0, `getConfig().slots`).
+ */
+@VintfStability
+interface IWeaver {
+ /**
+ * Retrieves the config information for this implementation of Weaver.
+ *
+ * The config is static i.e. every invocation returns the same information.
+ *
+ * @return config data for this implementation of Weaver if status is OK,
+ * otherwise undefined.
+ */
+ WeaverConfig getConfig();
+
+ /**
+ * Read binder calls may return a ServiceSpecificException with the following error codes.
+ */
+ const int STATUS_FAILED = 1;
+ const int INCORRECT_KEY = 2;
+ const int THROTTLE = 3;
+
+ /**
+ * Attempts to retrieve the value stored in the identified slot.
+ *
+ * The value is only returned if the provided key matches the key stored in
+ * the slot. The value is never returned if the wrong key is provided.
+ *
+ * Throttling must be used to limit the frequency of failed read attempts.
+ * The value is only returned when throttling is not active, even if the
+ * correct key is provided. If called when throttling is active, the time
+ * until the next attempt can be made is returned.
+ *
+ * Service status return:
+ *
+ * OK if the value was successfully read from slot.
+ * INCORRECT_KEY if the key does not match the key in the slot.
+ * THROTTLE if throttling is active.
+ * STATUS_FAILED if the read was unsuccessful for another reason.
+ *
+ * @param slotId of the slot to read from, this must be positive to be valid.
+ * @param key that is stored in the slot.
+ * @return The WeaverReadResponse for this read request. If the status is OK,
+ * value is set to the value in the slot and timeout is 0. Otherwise, value is
+ * empty and timeout is set accordingly.
+ */
+ WeaverReadResponse read(in int slotId, in byte[] key);
+
+ /**
+ * Overwrites the identified slot with the provided key and value.
+ *
+ * The new values are written regardless of the current state of the slot in
+ * order to remain idempotent.
+ *
+ * Service status return:
+ *
+ * OK if the write was successfully completed.
+ * FAILED if the write was unsuccessful.
+ *
+ * @param slotId of the slot to write to.
+ * @param key to write to the slot.
+ * @param value to write to slot.
+ */
+ void write(in int slotId, in byte[] key, in byte[] value);
+}
diff --git a/weaver/aidl/android/hardware/weaver/WeaverConfig.aidl b/weaver/aidl/android/hardware/weaver/WeaverConfig.aidl
new file mode 100644
index 0000000..75d961e
--- /dev/null
+++ b/weaver/aidl/android/hardware/weaver/WeaverConfig.aidl
@@ -0,0 +1,34 @@
+/*
+ * Copyright 2020 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.weaver;
+
+@VintfStability
+parcelable WeaverConfig {
+ /**
+ * The number of slots available.
+ */
+ long slots;
+ /**
+ * The number of bytes used for a key.
+ */
+ long keySize;
+ /**
+ * The number of bytes used for a value.
+ */
+ long valueSize;
+}
+
diff --git a/weaver/aidl/android/hardware/weaver/WeaverReadResponse.aidl b/weaver/aidl/android/hardware/weaver/WeaverReadResponse.aidl
new file mode 100644
index 0000000..ec006e8
--- /dev/null
+++ b/weaver/aidl/android/hardware/weaver/WeaverReadResponse.aidl
@@ -0,0 +1,30 @@
+/*
+ * Copyright 2020 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.weaver;
+
+@VintfStability
+parcelable WeaverReadResponse {
+ /**
+ * The time to wait, in milliseconds, before making the next request.
+ */
+ long timeout;
+ /**
+ * The value read from the slot or empty if the value was not read.
+ */
+ byte[] value;
+}
+
diff --git a/weaver/aidl/default/Android.bp b/weaver/aidl/default/Android.bp
new file mode 100644
index 0000000..d936828
--- /dev/null
+++ b/weaver/aidl/default/Android.bp
@@ -0,0 +1,32 @@
+//
+// Copyright (C) 2020 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.
+//
+
+cc_binary {
+ name: "android.hardware.weaver-service.example",
+ relative_install_path: "hw",
+ init_rc: ["android.hardware.weaver-service.example.rc"],
+ vintf_fragments: ["android.hardware.weaver-service.example.xml"],
+ vendor: true,
+ srcs: [
+ "service.cpp",
+ "Weaver.cpp",
+ ],
+ shared_libs: [
+ "android.hardware.weaver-ndk_platform",
+ "libbase",
+ "libbinder_ndk",
+ ],
+}
diff --git a/weaver/aidl/default/Weaver.cpp b/weaver/aidl/default/Weaver.cpp
new file mode 100644
index 0000000..56d9c4d
--- /dev/null
+++ b/weaver/aidl/default/Weaver.cpp
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2020 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.
+ */
+
+#include "Weaver.h"
+
+namespace aidl {
+namespace android {
+namespace hardware {
+namespace weaver {
+
+// Methods from ::android::hardware::weaver::IWeaver follow.
+
+::ndk::ScopedAStatus Weaver::getConfig(WeaverConfig* out_config) {
+ (void)out_config;
+ return ::ndk::ScopedAStatus::ok();
+}
+
+::ndk::ScopedAStatus Weaver::read(int32_t in_slotId, const std::vector<uint8_t>& in_key, WeaverReadResponse* out_response) {
+ (void)in_slotId;
+ (void)in_key;
+ (void)out_response;
+ return ::ndk::ScopedAStatus::ok();
+}
+
+::ndk::ScopedAStatus Weaver::write(int32_t in_slotId, const std::vector<uint8_t>& in_key, const std::vector<uint8_t>& in_value) {
+ (void)in_slotId;
+ (void)in_key;
+ (void)in_value;
+ return ::ndk::ScopedAStatus::ok();
+}
+
+} //namespace weaver
+} //namespace hardware
+} //namespace android
+} //namespace aidl
diff --git a/weaver/aidl/default/Weaver.h b/weaver/aidl/default/Weaver.h
new file mode 100644
index 0000000..b50018e
--- /dev/null
+++ b/weaver/aidl/default/Weaver.h
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2020 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.
+ */
+
+#pragma once
+
+#include <aidl/android/hardware/weaver/BnWeaver.h>
+
+namespace aidl {
+namespace android {
+namespace hardware {
+namespace weaver {
+
+using ::aidl::android::hardware::weaver::WeaverConfig;
+using ::aidl::android::hardware::weaver::WeaverReadResponse;
+
+struct Weaver : public BnWeaver {
+public:
+ Weaver() = default;
+
+ // Methods from ::android::hardware::weaver::IWeaver follow.
+ ::ndk::ScopedAStatus getConfig(WeaverConfig* _aidl_return) override;
+ ::ndk::ScopedAStatus read(int32_t in_slotId, const std::vector<uint8_t>& in_key, WeaverReadResponse* _aidl_return) override;
+ ::ndk::ScopedAStatus write(int32_t in_slotId, const std::vector<uint8_t>& in_key, const std::vector<uint8_t>& in_value) override;
+};
+
+} // namespace weaver
+} // namespace hardware
+} // namespace android
+} // namespace aidl
diff --git a/weaver/aidl/default/android.hardware.weaver-service.example.rc b/weaver/aidl/default/android.hardware.weaver-service.example.rc
new file mode 100644
index 0000000..ec77774
--- /dev/null
+++ b/weaver/aidl/default/android.hardware.weaver-service.example.rc
@@ -0,0 +1,4 @@
+service vendor.weaver_default /vendor/bin/hw/android.hardware.weaver-service.example
+ class hal
+ user hsm
+ group hsm
diff --git a/weaver/aidl/default/android.hardware.weaver-service.example.xml b/weaver/aidl/default/android.hardware.weaver-service.example.xml
new file mode 100644
index 0000000..ed291cd
--- /dev/null
+++ b/weaver/aidl/default/android.hardware.weaver-service.example.xml
@@ -0,0 +1,10 @@
+<manifest version="1.0" type="device">
+ <hal format="aidl">
+ <name>android.hardware.weaver</name>
+ <version>1</version>
+ <interface>
+ <name>IWeaver</name>
+ <instance>default</instance>
+ </interface>
+ </hal>
+</manifest>
diff --git a/weaver/aidl/default/service.cpp b/weaver/aidl/default/service.cpp
new file mode 100644
index 0000000..1495bc9
--- /dev/null
+++ b/weaver/aidl/default/service.cpp
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2020 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.
+ */
+
+#include <android-base/logging.h>
+#include <android/binder_manager.h>
+#include <android/binder_process.h>
+
+#include "Weaver.h"
+
+using ::aidl::android::hardware::weaver::Weaver;
+
+int main() {
+ ABinderProcess_setThreadPoolMaxThreadCount(0);
+ std::shared_ptr<Weaver> weaver = ndk::SharedRefBase::make<Weaver>();
+
+ const std::string instance = std::string() + Weaver::descriptor + "/default";
+ binder_status_t status = AServiceManager_addService(weaver->asBinder().get(), instance.c_str());
+ CHECK(status == STATUS_OK);
+
+ ABinderProcess_joinThreadPool();
+ return -1; // Should never be reached
+}
diff --git a/weaver/aidl/vts/Android.bp b/weaver/aidl/vts/Android.bp
new file mode 100644
index 0000000..d7e3ab7
--- /dev/null
+++ b/weaver/aidl/vts/Android.bp
@@ -0,0 +1,33 @@
+//
+// Copyright (C) 2020 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.
+//
+
+cc_test {
+ name: "VtsHalWeaverTargetTest",
+ defaults: [
+ "VtsHalTargetTestDefaults",
+ "use_libaidlvintf_gtest_helper_static",
+ ],
+ srcs: ["VtsHalWeaverTargetTest.cpp"],
+ shared_libs: [
+ "libbinder_ndk",
+ "libbase",
+ ],
+ static_libs: ["android.hardware.weaver-ndk_platform"],
+ test_suites: [
+ "general-tests",
+ "vts",
+ ],
+}
diff --git a/weaver/aidl/vts/OWNERS b/weaver/aidl/vts/OWNERS
new file mode 100644
index 0000000..40d95e4
--- /dev/null
+++ b/weaver/aidl/vts/OWNERS
@@ -0,0 +1,2 @@
+chengyouho@google.com
+frankwoo@google.com
diff --git a/weaver/aidl/vts/VtsHalWeaverTargetTest.cpp b/weaver/aidl/vts/VtsHalWeaverTargetTest.cpp
new file mode 100644
index 0000000..7d8daa2
--- /dev/null
+++ b/weaver/aidl/vts/VtsHalWeaverTargetTest.cpp
@@ -0,0 +1,277 @@
+/*
+ * Copyright (C) 2020 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.
+ */
+#include <aidl/Gtest.h>
+#include <aidl/Vintf.h>
+
+#include <aidl/android/hardware/weaver/IWeaver.h>
+#include <android/binder_manager.h>
+#include <android/binder_process.h>
+
+#include <limits>
+
+using ::aidl::android::hardware::weaver::IWeaver;
+using ::aidl::android::hardware::weaver::WeaverConfig;
+using ::aidl::android::hardware::weaver::WeaverReadResponse;
+
+using ::ndk::SpAIBinder;
+
+const std::vector<uint8_t> KEY{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16};
+const std::vector<uint8_t> WRONG_KEY{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
+const std::vector<uint8_t> VALUE{16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1};
+const std::vector<uint8_t> OTHER_VALUE{0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 255, 255};
+
+struct WeaverAidlTest : public ::testing::TestWithParam<std::string> {
+ virtual void SetUp() override {
+ weaver = IWeaver::fromBinder(
+ SpAIBinder(AServiceManager_waitForService(GetParam().c_str())));
+ ASSERT_NE(weaver, nullptr);
+ }
+
+ virtual void TearDown() override {}
+
+ std::shared_ptr<IWeaver> weaver;
+};
+
+/*
+ * Checks config values are suitably large
+ */
+TEST_P(WeaverAidlTest, GetConfig) {
+ WeaverConfig config;
+
+ auto ret = weaver->getConfig(&config);
+
+ ASSERT_TRUE(ret.isOk());
+
+ EXPECT_GE(config.slots, 16u);
+ EXPECT_GE(config.keySize, 16u);
+ EXPECT_GE(config.valueSize, 16u);
+}
+
+/*
+ * Gets the config twice and checks they are the same
+ */
+TEST_P(WeaverAidlTest, GettingConfigMultipleTimesGivesSameResult) {
+ WeaverConfig config1;
+ WeaverConfig config2;
+
+ auto ret = weaver->getConfig(&config1);
+ ASSERT_TRUE(ret.isOk());
+
+ ret = weaver->getConfig(&config2);
+ ASSERT_TRUE(ret.isOk());
+
+ EXPECT_EQ(config1, config2);
+}
+
+/*
+ * Gets the number of slots from the config and writes a key and value to the last one
+ */
+TEST_P(WeaverAidlTest, WriteToLastSlot) {
+ WeaverConfig config;
+ const auto configRet = weaver->getConfig(&config);
+
+ ASSERT_TRUE(configRet.isOk());
+
+ const uint32_t lastSlot = config.slots - 1;
+ const auto writeRet = weaver->write(lastSlot, KEY, VALUE);
+ ASSERT_TRUE(writeRet.isOk());
+}
+
+/*
+ * Writes a key and value to a slot
+ * Reads the slot with the same key and receives the value that was previously written
+ */
+TEST_P(WeaverAidlTest, WriteFollowedByReadGivesTheSameValue) {
+ constexpr uint32_t slotId = 0;
+ const auto ret = weaver->write(slotId, KEY, VALUE);
+ ASSERT_TRUE(ret.isOk());
+
+ WeaverReadResponse response;
+ std::vector<uint8_t> readValue;
+ uint32_t timeout;
+ const auto readRet = weaver->read(slotId, KEY, &response);
+
+ readValue = response.value;
+ timeout = response.timeout;
+
+ ASSERT_TRUE(readRet.isOk());
+ EXPECT_EQ(readValue, VALUE);
+ EXPECT_EQ(timeout, 0u);
+}
+
+/*
+ * Writes a key and value to a slot
+ * Overwrites the slot with a new key and value
+ * Reads the slot with the new key and receives the new value
+ */
+TEST_P(WeaverAidlTest, OverwritingSlotUpdatesTheValue) {
+ constexpr uint32_t slotId = 0;
+ const auto initialWriteRet = weaver->write(slotId, WRONG_KEY, VALUE);
+ ASSERT_TRUE(initialWriteRet.isOk());
+
+ const auto overwriteRet = weaver->write(slotId, KEY, OTHER_VALUE);
+ ASSERT_TRUE(overwriteRet.isOk());
+
+ WeaverReadResponse response;
+ std::vector<uint8_t> readValue;
+ uint32_t timeout;
+ const auto readRet = weaver->read(slotId, KEY, &response);
+
+ readValue = response.value;
+ timeout = response.timeout;
+
+ ASSERT_TRUE(readRet.isOk());
+ EXPECT_EQ(readValue, OTHER_VALUE);
+ EXPECT_EQ(timeout, 0u);
+}
+
+/*
+ * Writes a key and value to a slot
+ * Reads the slot with a different key so does not receive the value
+ */
+TEST_P(WeaverAidlTest, WriteFollowedByReadWithWrongKeyDoesNotGiveTheValue) {
+ constexpr uint32_t slotId = 0;
+ const auto ret = weaver->write(slotId, KEY, VALUE);
+ ASSERT_TRUE(ret.isOk());
+
+ WeaverReadResponse response;
+ std::vector<uint8_t> readValue;
+ const auto readRet =
+ weaver->read(slotId, WRONG_KEY, &response);
+
+ readValue = response.value;
+
+ ASSERT_FALSE(readRet.isOk());
+ ASSERT_EQ(EX_SERVICE_SPECIFIC, readRet.getExceptionCode());
+ ASSERT_EQ(IWeaver::INCORRECT_KEY, readRet.getServiceSpecificError());
+ EXPECT_TRUE(readValue.empty());
+}
+
+/*
+ * Writing to an invalid slot fails
+ */
+TEST_P(WeaverAidlTest, WritingToInvalidSlotFails) {
+ WeaverConfig config;
+ const auto configRet = weaver->getConfig(&config);
+ ASSERT_TRUE(configRet.isOk());
+
+ if (config.slots == std::numeric_limits<uint32_t>::max()) {
+ // If there are no invalid slots then pass
+ return;
+ }
+
+ const auto writeRet = weaver->write(config.slots, KEY, VALUE);
+ ASSERT_FALSE(writeRet.isOk());
+}
+
+/*
+ * Reading from an invalid slot fails rather than incorrect key
+ */
+TEST_P(WeaverAidlTest, ReadingFromInvalidSlotFails) {
+ WeaverConfig config;
+ const auto configRet = weaver->getConfig(&config);
+ ASSERT_TRUE(configRet.isOk());
+
+ if (config.slots == std::numeric_limits<uint32_t>::max()) {
+ // If there are no invalid slots then pass
+ return;
+ }
+
+ WeaverReadResponse response;
+ std::vector<uint8_t> readValue;
+ uint32_t timeout;
+ const auto readRet =
+ weaver->read(config.slots, KEY, &response);
+
+ readValue = response.value;
+ timeout = response.timeout;
+
+ ASSERT_FALSE(readRet.isOk());
+ ASSERT_EQ(EX_SERVICE_SPECIFIC, readRet.getExceptionCode());
+ ASSERT_EQ(IWeaver::STATUS_FAILED, readRet.getServiceSpecificError());
+ EXPECT_TRUE(readValue.empty());
+ EXPECT_EQ(timeout, 0u);
+}
+
+/*
+ * Writing a key that is too large fails
+ */
+TEST_P(WeaverAidlTest, WriteWithTooLargeKeyFails) {
+ WeaverConfig config;
+ const auto configRet = weaver->getConfig(&config);
+ ASSERT_TRUE(configRet.isOk());
+
+ std::vector<uint8_t> bigKey(config.keySize + 1);
+
+ constexpr uint32_t slotId = 0;
+ const auto writeRet = weaver->write(slotId, bigKey, VALUE);
+ ASSERT_FALSE(writeRet.isOk());
+}
+
+/*
+ * Writing a value that is too large fails
+ */
+TEST_P(WeaverAidlTest, WriteWithTooLargeValueFails) {
+ WeaverConfig config;
+ const auto configRet = weaver->getConfig(&config);
+ ASSERT_TRUE(configRet.isOk());
+
+ std::vector<uint8_t> bigValue(config.valueSize + 1);
+
+ constexpr uint32_t slotId = 0;
+ const auto writeRet = weaver->write(slotId, KEY, bigValue);
+ ASSERT_FALSE(writeRet.isOk());
+}
+
+/*
+ * Reading with a key that is loo large fails
+ */
+TEST_P(WeaverAidlTest, ReadWithTooLargeKeyFails) {
+ WeaverConfig config;
+ const auto configRet = weaver->getConfig(&config);
+ ASSERT_TRUE(configRet.isOk());
+
+ std::vector<uint8_t> bigKey(config.keySize + 1);
+
+ constexpr uint32_t slotId = 0;
+ WeaverReadResponse response;
+ std::vector<uint8_t> readValue;
+ uint32_t timeout;
+ const auto readRet =
+ weaver->read(slotId, bigKey, &response);
+
+ readValue = response.value;
+ timeout = response.timeout;
+
+ ASSERT_FALSE(readRet.isOk());
+ ASSERT_EQ(EX_SERVICE_SPECIFIC, readRet.getExceptionCode());
+ ASSERT_EQ(IWeaver::STATUS_FAILED, readRet.getServiceSpecificError());
+ EXPECT_TRUE(readValue.empty());
+ EXPECT_EQ(timeout, 0u);
+}
+
+GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(WeaverAidlTest);
+INSTANTIATE_TEST_SUITE_P(
+ PerInstance, WeaverAidlTest,
+ testing::ValuesIn(android::getAidlHalInstanceNames(IWeaver::descriptor)),
+ android::PrintInstanceNameToString);
+
+int main(int argc, char** argv) {
+ ::testing::InitGoogleTest(&argc, argv);
+ ABinderProcess_setThreadPoolMaxThreadCount(1);
+ ABinderProcess_startThreadPool();
+ return RUN_ALL_TESTS();
+}