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-rw-r--r--drm/libmediadrm/Crypto.cpp288
1 files changed, 0 insertions, 288 deletions
diff --git a/drm/libmediadrm/Crypto.cpp b/drm/libmediadrm/Crypto.cpp
deleted file mode 100644
index a5d7346619..0000000000
--- a/drm/libmediadrm/Crypto.cpp
+++ /dev/null
@@ -1,288 +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 "Crypto"
-#include <utils/Log.h>
-#include <dirent.h>
-#include <dlfcn.h>
-
-#include <binder/IMemory.h>
-#include <media/Crypto.h>
-#include <media/DrmPluginPath.h>
-#include <media/hardware/CryptoAPI.h>
-#include <media/stagefright/foundation/ADebug.h>
-#include <media/stagefright/foundation/AString.h>
-#include <media/stagefright/foundation/hexdump.h>
-#include <media/stagefright/MediaErrors.h>
-
-namespace android {
-
-KeyedVector<Vector<uint8_t>, String8> Crypto::mUUIDToLibraryPathMap;
-KeyedVector<String8, wp<SharedLibrary> > Crypto::mLibraryPathToOpenLibraryMap;
-Mutex Crypto::mMapLock;
-
-static bool operator<(const Vector<uint8_t> &lhs, const Vector<uint8_t> &rhs) {
- if (lhs.size() < rhs.size()) {
- return true;
- } else if (lhs.size() > rhs.size()) {
- return false;
- }
-
- return memcmp((void *)lhs.array(), (void *)rhs.array(), rhs.size()) < 0;
-}
-
-Crypto::Crypto()
- : mInitCheck(NO_INIT),
- mFactory(NULL),
- mPlugin(NULL) {
-}
-
-Crypto::~Crypto() {
- delete mPlugin;
- mPlugin = NULL;
- closeFactory();
-}
-
-void Crypto::closeFactory() {
- delete mFactory;
- mFactory = NULL;
- mLibrary.clear();
-}
-
-status_t Crypto::initCheck() const {
- return mInitCheck;
-}
-
-/*
- * Search the plugins directory for a plugin that supports the scheme
- * specified by uuid
- *
- * If found:
- * mLibrary holds a strong pointer to the dlopen'd library
- * mFactory is set to the library's factory method
- * mInitCheck is set to OK
- *
- * If not found:
- * mLibrary is cleared and mFactory are set to NULL
- * mInitCheck is set to an error (!OK)
- */
-void Crypto::findFactoryForScheme(const uint8_t uuid[16]) {
-
- closeFactory();
-
- // lock static maps
- Mutex::Autolock autoLock(mMapLock);
-
- // first check cache
- Vector<uint8_t> uuidVector;
- uuidVector.appendArray(uuid, sizeof(uuid[0]) * 16);
- ssize_t index = mUUIDToLibraryPathMap.indexOfKey(uuidVector);
- if (index >= 0) {
- if (loadLibraryForScheme(mUUIDToLibraryPathMap[index], uuid)) {
- mInitCheck = OK;
- return;
- } else {
- ALOGE("Failed to load from cached library path!");
- mInitCheck = ERROR_UNSUPPORTED;
- return;
- }
- }
-
- // no luck, have to search
- String8 dirPath(getDrmPluginPath());
- String8 pluginPath;
-
- DIR* pDir = opendir(dirPath.string());
- if (pDir) {
- struct dirent* pEntry;
- while ((pEntry = readdir(pDir))) {
-
- pluginPath = dirPath + "/" + pEntry->d_name;
-
- if (pluginPath.getPathExtension() == ".so") {
-
- if (loadLibraryForScheme(pluginPath, uuid)) {
- mUUIDToLibraryPathMap.add(uuidVector, pluginPath);
- mInitCheck = OK;
- closedir(pDir);
- return;
- }
- }
- }
-
- closedir(pDir);
- }
-
- // try the legacy libdrmdecrypt.so
- pluginPath = "libdrmdecrypt.so";
- if (loadLibraryForScheme(pluginPath, uuid)) {
- mUUIDToLibraryPathMap.add(uuidVector, pluginPath);
- mInitCheck = OK;
- return;
- }
-
- mInitCheck = ERROR_UNSUPPORTED;
-}
-
-bool Crypto::loadLibraryForScheme(const String8 &path, const uint8_t uuid[16]) {
-
- // get strong pointer to open shared library
- ssize_t index = mLibraryPathToOpenLibraryMap.indexOfKey(path);
- if (index >= 0) {
- mLibrary = mLibraryPathToOpenLibraryMap[index].promote();
- } else {
- index = mLibraryPathToOpenLibraryMap.add(path, NULL);
- }
-
- if (!mLibrary.get()) {
- mLibrary = new SharedLibrary(path);
- if (!*mLibrary) {
- ALOGE("loadLibraryForScheme failed:%s", mLibrary->lastError());
- return false;
- }
-
- mLibraryPathToOpenLibraryMap.replaceValueAt(index, mLibrary);
- }
-
- typedef CryptoFactory *(*CreateCryptoFactoryFunc)();
-
- CreateCryptoFactoryFunc createCryptoFactory =
- (CreateCryptoFactoryFunc)mLibrary->lookup("createCryptoFactory");
-
- if (createCryptoFactory == NULL ||
- (mFactory = createCryptoFactory()) == NULL ||
- !mFactory->isCryptoSchemeSupported(uuid)) {
- ALOGE("createCryptoFactory failed:%s", mLibrary->lastError());
- closeFactory();
- return false;
- }
- return true;
-}
-
-bool Crypto::isCryptoSchemeSupported(const uint8_t uuid[16]) {
- Mutex::Autolock autoLock(mLock);
-
- if (mFactory && mFactory->isCryptoSchemeSupported(uuid)) {
- return true;
- }
-
- findFactoryForScheme(uuid);
- return (mInitCheck == OK);
-}
-
-status_t Crypto::createPlugin(
- const uint8_t uuid[16], const void *data, size_t size) {
- Mutex::Autolock autoLock(mLock);
-
- if (mPlugin != NULL) {
- return -EINVAL;
- }
-
- if (!mFactory || !mFactory->isCryptoSchemeSupported(uuid)) {
- findFactoryForScheme(uuid);
- }
-
- if (mInitCheck != OK) {
- return mInitCheck;
- }
-
- return mFactory->createPlugin(uuid, data, size, &mPlugin);
-}
-
-status_t Crypto::destroyPlugin() {
- Mutex::Autolock autoLock(mLock);
-
- if (mInitCheck != OK) {
- return mInitCheck;
- }
-
- if (mPlugin == NULL) {
- return -EINVAL;
- }
-
- delete mPlugin;
- mPlugin = NULL;
-
- return OK;
-}
-
-bool Crypto::requiresSecureDecoderComponent(const char *mime) const {
- Mutex::Autolock autoLock(mLock);
-
- if (mInitCheck != OK) {
- return mInitCheck;
- }
-
- if (mPlugin == NULL) {
- return -EINVAL;
- }
-
- return mPlugin->requiresSecureDecoderComponent(mime);
-}
-
-ssize_t Crypto::decrypt(const uint8_t key[16], const uint8_t iv[16],
- CryptoPlugin::Mode mode, const CryptoPlugin::Pattern &pattern,
- const sp<IMemory> &source, size_t offset,
- const CryptoPlugin::SubSample *subSamples, size_t numSubSamples,
- const ICrypto::DestinationBuffer &destination, AString *errorDetailMsg) {
-
- Mutex::Autolock autoLock(mLock);
-
- if (mInitCheck != OK) {
- return mInitCheck;
- }
-
- if (mPlugin == NULL) {
- return -EINVAL;
- }
-
- const void *srcPtr = static_cast<uint8_t *>(source->pointer()) + offset;
-
- void *destPtr;
- bool secure = false;
- if (destination.mType == kDestinationTypeNativeHandle) {
- destPtr = static_cast<void *>(destination.mHandle);
- secure = true;
- } else {
- destPtr = destination.mSharedMemory->pointer();
- }
-
- ssize_t result = mPlugin->decrypt(secure, key, iv, mode, pattern, srcPtr, subSamples,
- numSubSamples, destPtr, errorDetailMsg);
-
- return result;
-}
-
-void Crypto::notifyResolution(uint32_t width, uint32_t height) {
- Mutex::Autolock autoLock(mLock);
-
- if (mInitCheck == OK && mPlugin != NULL) {
- mPlugin->notifyResolution(width, height);
- }
-}
-
-status_t Crypto::setMediaDrmSession(const Vector<uint8_t> &sessionId) {
- Mutex::Autolock autoLock(mLock);
-
- status_t result = NO_INIT;
- if (mInitCheck == OK && mPlugin != NULL) {
- result = mPlugin->setMediaDrmSession(sessionId);
- }
- return result;
-}
-
-} // namespace android
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