ICrypto: remove binder inheritance
Bug: 134787536
Test: GtsMediaTestCases
Change-Id: Id67dc9e793ee886e4cc49370d800c7f3580df313
diff --git a/drm/libmediadrm/Android.bp b/drm/libmediadrm/Android.bp
index b3fd7e9..7032654 100644
--- a/drm/libmediadrm/Android.bp
+++ b/drm/libmediadrm/Android.bp
@@ -17,7 +17,6 @@
srcs: [
"DrmPluginPath.cpp",
"DrmSessionManager.cpp",
- "ICrypto.cpp",
"IDrm.cpp",
"IDrmClient.cpp",
"IMediaDrmService.cpp",
diff --git a/drm/libmediadrm/ICrypto.cpp b/drm/libmediadrm/ICrypto.cpp
deleted file mode 100644
index a2594aa..0000000
--- a/drm/libmediadrm/ICrypto.cpp
+++ /dev/null
@@ -1,475 +0,0 @@
-/*
- * Copyright (C) 2012 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.
- */
-
-//#define LOG_NDEBUG 0
-#define LOG_TAG "ICrypto"
-#include <binder/Parcel.h>
-#include <binder/IMemory.h>
-#include <cutils/log.h>
-#include <media/stagefright/MediaErrors.h>
-#include <media/stagefright/foundation/ADebug.h>
-#include <media/stagefright/foundation/AString.h>
-#include <mediadrm/ICrypto.h>
-#include <utils/Log.h>
-
-namespace android {
-
-enum {
- INIT_CHECK = IBinder::FIRST_CALL_TRANSACTION,
- IS_CRYPTO_SUPPORTED,
- CREATE_PLUGIN,
- DESTROY_PLUGIN,
- REQUIRES_SECURE_COMPONENT,
- DECRYPT,
- NOTIFY_RESOLUTION,
- SET_MEDIADRM_SESSION,
- SET_HEAP,
- UNSET_HEAP,
-};
-
-struct BpCrypto : public BpInterface<ICrypto> {
- explicit BpCrypto(const sp<IBinder> &impl)
- : BpInterface<ICrypto>(impl) {
- }
-
- virtual status_t initCheck() const {
- Parcel data, reply;
- data.writeInterfaceToken(ICrypto::getInterfaceDescriptor());
- remote()->transact(INIT_CHECK, data, &reply);
-
- return reply.readInt32();
- }
-
- virtual bool isCryptoSchemeSupported(const uint8_t uuid[16]) {
- Parcel data, reply;
- data.writeInterfaceToken(ICrypto::getInterfaceDescriptor());
- data.write(uuid, 16);
- remote()->transact(IS_CRYPTO_SUPPORTED, data, &reply);
-
- return reply.readInt32() != 0;
- }
-
- virtual status_t createPlugin(
- const uint8_t uuid[16], const void *opaqueData, size_t opaqueSize) {
- Parcel data, reply;
- data.writeInterfaceToken(ICrypto::getInterfaceDescriptor());
- data.write(uuid, 16);
- data.writeInt32(opaqueSize);
-
- if (opaqueSize > 0) {
- data.write(opaqueData, opaqueSize);
- }
-
- remote()->transact(CREATE_PLUGIN, data, &reply);
-
- return reply.readInt32();
- }
-
- virtual status_t destroyPlugin() {
- Parcel data, reply;
- data.writeInterfaceToken(ICrypto::getInterfaceDescriptor());
- remote()->transact(DESTROY_PLUGIN, data, &reply);
-
- return reply.readInt32();
- }
-
- virtual bool requiresSecureDecoderComponent(
- const char *mime) const {
- Parcel data, reply;
- data.writeInterfaceToken(ICrypto::getInterfaceDescriptor());
- data.writeCString(mime);
- remote()->transact(REQUIRES_SECURE_COMPONENT, data, &reply);
-
- return reply.readInt32() != 0;
- }
-
- virtual ssize_t decrypt(const uint8_t key[16], const uint8_t iv[16],
- CryptoPlugin::Mode mode, const CryptoPlugin::Pattern &pattern,
- const SourceBuffer &source, size_t offset,
- const CryptoPlugin::SubSample *subSamples, size_t numSubSamples,
- const DestinationBuffer &destination, AString *errorDetailMsg) {
- Parcel data, reply;
- data.writeInterfaceToken(ICrypto::getInterfaceDescriptor());
- data.writeInt32(mode);
- data.writeInt32(pattern.mEncryptBlocks);
- data.writeInt32(pattern.mSkipBlocks);
-
- static const uint8_t kDummy[16] = { 0 };
-
- if (key == NULL) {
- key = kDummy;
- }
-
- if (iv == NULL) {
- iv = kDummy;
- }
-
- data.write(key, 16);
- data.write(iv, 16);
-
- size_t totalSize = 0;
- for (size_t i = 0; i < numSubSamples; ++i) {
- totalSize += subSamples[i].mNumBytesOfEncryptedData;
- totalSize += subSamples[i].mNumBytesOfClearData;
- }
-
- data.writeInt32(totalSize);
- data.writeStrongBinder(IInterface::asBinder(source.mSharedMemory));
- data.writeInt32(source.mHeapSeqNum);
- data.writeInt32(offset);
-
- data.writeInt32(numSubSamples);
- data.write(subSamples, sizeof(CryptoPlugin::SubSample) * numSubSamples);
-
- data.writeInt32((int32_t)destination.mType);
- if (destination.mType == kDestinationTypeNativeHandle) {
- if (destination.mHandle == NULL) {
- return BAD_VALUE;
- }
- data.writeNativeHandle(destination.mHandle);
- } else {
- if (destination.mSharedMemory == NULL) {
- return BAD_VALUE;
- }
- data.writeStrongBinder(IInterface::asBinder(destination.mSharedMemory));
- }
-
- remote()->transact(DECRYPT, data, &reply);
-
- ssize_t result = reply.readInt32();
-
- if (isCryptoError(result)) {
- AString msg = reply.readCString();
- if (errorDetailMsg) {
- *errorDetailMsg = msg;
- }
- }
-
- return result;
- }
-
- virtual void notifyResolution(
- uint32_t width, uint32_t height) {
- Parcel data, reply;
- data.writeInterfaceToken(ICrypto::getInterfaceDescriptor());
- data.writeInt32(width);
- data.writeInt32(height);
- remote()->transact(NOTIFY_RESOLUTION, data, &reply);
- }
-
- virtual status_t setMediaDrmSession(const Vector<uint8_t> &sessionId) {
- Parcel data, reply;
- data.writeInterfaceToken(ICrypto::getInterfaceDescriptor());
-
- writeVector(data, sessionId);
- remote()->transact(SET_MEDIADRM_SESSION, data, &reply);
-
- return reply.readInt32();
- }
-
- virtual int32_t setHeap(const sp<IMemoryHeap> &heap) {
- Parcel data, reply;
- data.writeInterfaceToken(ICrypto::getInterfaceDescriptor());
- data.writeStrongBinder(IInterface::asBinder(heap));
- status_t err = remote()->transact(SET_HEAP, data, &reply);
- if (err != NO_ERROR) {
- return -1;
- }
- int32_t seqNum;
- if (reply.readInt32(&seqNum) != NO_ERROR) {
- return -1;
- }
- return seqNum;
- }
-
- virtual void unsetHeap(int32_t seqNum) {
- Parcel data, reply;
- data.writeInterfaceToken(ICrypto::getInterfaceDescriptor());
- data.writeInt32(seqNum);
- remote()->transact(UNSET_HEAP, data, &reply);
- return;
- }
-
-
-private:
- void readVector(Parcel &reply, Vector<uint8_t> &vector) const {
- uint32_t size = reply.readInt32();
- vector.insertAt((size_t)0, size);
- reply.read(vector.editArray(), size);
- }
-
- void writeVector(Parcel &data, Vector<uint8_t> const &vector) const {
- data.writeInt32(vector.size());
- data.write(vector.array(), vector.size());
- }
-
- DISALLOW_EVIL_CONSTRUCTORS(BpCrypto);
-};
-
-IMPLEMENT_META_INTERFACE(Crypto, "android.hardware.ICrypto");
-
-////////////////////////////////////////////////////////////////////////////////
-
-void BnCrypto::readVector(const Parcel &data, Vector<uint8_t> &vector) const {
- uint32_t size = data.readInt32();
- if (vector.insertAt((size_t)0, size) < 0) {
- vector.clear();
- }
- if (data.read(vector.editArray(), size) != NO_ERROR) {
- vector.clear();
- android_errorWriteWithInfoLog(0x534e4554, "62872384", -1, NULL, 0);
- }
-}
-
-void BnCrypto::writeVector(Parcel *reply, Vector<uint8_t> const &vector) const {
- reply->writeInt32(vector.size());
- reply->write(vector.array(), vector.size());
-}
-
-status_t BnCrypto::onTransact(
- uint32_t code, const Parcel &data, Parcel *reply, uint32_t flags) {
- switch (code) {
- case INIT_CHECK:
- {
- CHECK_INTERFACE(ICrypto, data, reply);
- reply->writeInt32(initCheck());
-
- return OK;
- }
-
- case IS_CRYPTO_SUPPORTED:
- {
- CHECK_INTERFACE(ICrypto, data, reply);
- uint8_t uuid[16];
- data.read(uuid, sizeof(uuid));
- reply->writeInt32(isCryptoSchemeSupported(uuid));
-
- return OK;
- }
-
- case CREATE_PLUGIN:
- {
- CHECK_INTERFACE(ICrypto, data, reply);
-
- uint8_t uuid[16];
- data.read(uuid, sizeof(uuid));
-
- size_t opaqueSize = data.readInt32();
- void *opaqueData = NULL;
-
- const size_t kMaxOpaqueSize = 100 * 1024;
- if (opaqueSize > kMaxOpaqueSize) {
- return BAD_VALUE;
- }
-
- opaqueData = malloc(opaqueSize);
- if (NULL == opaqueData) {
- return NO_MEMORY;
- }
-
- data.read(opaqueData, opaqueSize);
- reply->writeInt32(createPlugin(uuid, opaqueData, opaqueSize));
-
- free(opaqueData);
- opaqueData = NULL;
-
- return OK;
- }
-
- case DESTROY_PLUGIN:
- {
- CHECK_INTERFACE(ICrypto, data, reply);
- reply->writeInt32(destroyPlugin());
-
- return OK;
- }
-
- case REQUIRES_SECURE_COMPONENT:
- {
- CHECK_INTERFACE(ICrypto, data, reply);
-
- const char *mime = data.readCString();
- if (mime == NULL) {
- reply->writeInt32(BAD_VALUE);
- } else {
- reply->writeInt32(requiresSecureDecoderComponent(mime));
- }
-
- return OK;
- }
-
- case DECRYPT:
- {
- CHECK_INTERFACE(ICrypto, data, reply);
-
- CryptoPlugin::Mode mode = (CryptoPlugin::Mode)data.readInt32();
- CryptoPlugin::Pattern pattern;
- pattern.mEncryptBlocks = data.readInt32();
- pattern.mSkipBlocks = data.readInt32();
-
- uint8_t key[16];
- data.read(key, sizeof(key));
-
- uint8_t iv[16];
- data.read(iv, sizeof(iv));
-
- size_t totalSize = data.readInt32();
-
- SourceBuffer source;
-
- source.mSharedMemory =
- interface_cast<IMemory>(data.readStrongBinder());
- if (source.mSharedMemory == NULL) {
- reply->writeInt32(BAD_VALUE);
- return OK;
- }
- source.mHeapSeqNum = data.readInt32();
-
- int32_t offset = data.readInt32();
-
- int32_t numSubSamples = data.readInt32();
- if (numSubSamples < 0 || numSubSamples > 0xffff) {
- reply->writeInt32(BAD_VALUE);
- return OK;
- }
-
- std::unique_ptr<CryptoPlugin::SubSample[]> subSamples =
- std::make_unique<CryptoPlugin::SubSample[]>(numSubSamples);
-
- data.read(subSamples.get(),
- sizeof(CryptoPlugin::SubSample) * numSubSamples);
-
- DestinationBuffer destination;
- destination.mType = (DestinationType)data.readInt32();
- if (destination.mType == kDestinationTypeNativeHandle) {
- destination.mHandle = data.readNativeHandle();
- if (destination.mHandle == NULL) {
- reply->writeInt32(BAD_VALUE);
- return OK;
- }
- } else if (destination.mType == kDestinationTypeSharedMemory) {
- destination.mSharedMemory =
- interface_cast<IMemory>(data.readStrongBinder());
- if (destination.mSharedMemory == NULL) {
- reply->writeInt32(BAD_VALUE);
- return OK;
- }
- sp<IMemory> dest = destination.mSharedMemory;
- if (totalSize > dest->size() ||
- (size_t)dest->offset() > dest->size() - totalSize) {
- reply->writeInt32(BAD_VALUE);
- android_errorWriteLog(0x534e4554, "71389378");
- return OK;
- }
- } else {
- reply->writeInt32(BAD_VALUE);
- android_errorWriteLog(0x534e4554, "70526702");
- return OK;
- }
-
- AString errorDetailMsg;
- ssize_t result;
-
- size_t sumSubsampleSizes = 0;
- bool overflow = false;
- for (int32_t i = 0; i < numSubSamples; ++i) {
- CryptoPlugin::SubSample &ss = subSamples[i];
- if (sumSubsampleSizes <= SIZE_MAX - ss.mNumBytesOfEncryptedData) {
- sumSubsampleSizes += ss.mNumBytesOfEncryptedData;
- } else {
- overflow = true;
- }
- if (sumSubsampleSizes <= SIZE_MAX - ss.mNumBytesOfClearData) {
- sumSubsampleSizes += ss.mNumBytesOfClearData;
- } else {
- overflow = true;
- }
- }
-
- if (overflow || sumSubsampleSizes != totalSize) {
- result = -EINVAL;
- } else if (totalSize > source.mSharedMemory->size()) {
- result = -EINVAL;
- } else if ((size_t)offset > source.mSharedMemory->size() - totalSize) {
- result = -EINVAL;
- } else {
- result = decrypt(key, iv, mode, pattern, source, offset,
- subSamples.get(), numSubSamples, destination, &errorDetailMsg);
- }
-
- reply->writeInt32(result);
-
- if (isCryptoError(result)) {
- reply->writeCString(errorDetailMsg.c_str());
- }
-
- if (destination.mType == kDestinationTypeNativeHandle) {
- int err;
- if ((err = native_handle_close(destination.mHandle)) < 0) {
- ALOGW("secure buffer native_handle_close failed: %d", err);
- }
- if ((err = native_handle_delete(destination.mHandle)) < 0) {
- ALOGW("secure buffer native_handle_delete failed: %d", err);
- }
- }
-
- subSamples.reset();
- return OK;
- }
-
- case NOTIFY_RESOLUTION:
- {
- CHECK_INTERFACE(ICrypto, data, reply);
-
- int32_t width = data.readInt32();
- int32_t height = data.readInt32();
- notifyResolution(width, height);
-
- return OK;
- }
-
- case SET_MEDIADRM_SESSION:
- {
- CHECK_INTERFACE(IDrm, data, reply);
- Vector<uint8_t> sessionId;
- readVector(data, sessionId);
- reply->writeInt32(setMediaDrmSession(sessionId));
- return OK;
- }
-
- case SET_HEAP:
- {
- CHECK_INTERFACE(ICrypto, data, reply);
- sp<IMemoryHeap> heap =
- interface_cast<IMemoryHeap>(data.readStrongBinder());
- reply->writeInt32(setHeap(heap));
- return OK;
- }
-
- case UNSET_HEAP:
- {
- CHECK_INTERFACE(ICrypto, data, reply);
- int32_t seqNum = data.readInt32();
- unsetHeap(seqNum);
- return OK;
- }
-
- default:
- return BBinder::onTransact(code, data, reply, flags);
- }
-}
-
-} // namespace android
diff --git a/drm/libmediadrm/include/mediadrm/CryptoHal.h b/drm/libmediadrm/include/mediadrm/CryptoHal.h
index 9e61777..865ca38 100644
--- a/drm/libmediadrm/include/mediadrm/CryptoHal.h
+++ b/drm/libmediadrm/include/mediadrm/CryptoHal.h
@@ -36,7 +36,7 @@
namespace android {
-struct CryptoHal : public BnCrypto {
+struct CryptoHal : public ICrypto {
CryptoHal();
virtual ~CryptoHal();
diff --git a/drm/libmediadrm/interface/mediadrm/ICrypto.h b/drm/libmediadrm/interface/mediadrm/ICrypto.h
index 6d896b8..48a0c44 100644
--- a/drm/libmediadrm/interface/mediadrm/ICrypto.h
+++ b/drm/libmediadrm/interface/mediadrm/ICrypto.h
@@ -14,10 +14,11 @@
* limitations under the License.
*/
-#include <binder/IInterface.h>
#include <cutils/native_handle.h>
#include <media/hardware/CryptoAPI.h>
#include <media/stagefright/foundation/ABase.h>
+#include <utils/RefBase.h>
+#include <utils/StrongPointer.h>
#ifndef ANDROID_ICRYPTO_H_
@@ -29,8 +30,9 @@
class IMemory;
class IMemoryHeap;
-struct ICrypto : public IInterface {
- DECLARE_META_INTERFACE(Crypto);
+struct ICrypto : public RefBase {
+
+ virtual ~ICrypto() {}
virtual status_t initCheck() const = 0;
@@ -79,19 +81,13 @@
virtual int32_t setHeap(const sp<IMemoryHeap>& heap) = 0;
virtual void unsetHeap(int32_t seqNum) = 0;
+protected:
+ ICrypto() {}
+
private:
DISALLOW_EVIL_CONSTRUCTORS(ICrypto);
};
-struct BnCrypto : public BnInterface<ICrypto> {
- virtual status_t onTransact(
- uint32_t code, const Parcel &data, Parcel *reply,
- uint32_t flags = 0);
-private:
- void readVector(const Parcel &data, Vector<uint8_t> &vector) const;
- void writeVector(Parcel *reply, Vector<uint8_t> const &vector) const;
-};
-
} // namespace android
#endif // ANDROID_ICRYPTO_H_