Files
android/libwvdrmengine/src_hidl/WVCryptoFactory.cpp
Robert Shih e083240191 wv hidl factories: getCallingSid logging
[ Merge of http://go/wvgerrit/89383 ]

Bug: 134787536
Test: check calling sid in logs
Change-Id: If47ccaf9296a157b72181fb2bd00318bb957c15c
2019-11-10 01:59:37 +00:00

59 lines
1.6 KiB
C++

//
// Copyright 2018 Google LLC. All Rights Reserved. This file and proprietary
// source code may only be used and distributed under the Widevine Master
// License Agreement.
//
//#define LOG_NDEBUG 0
#define LOG_TAG "WVCryptoFactory"
#include <utils/Log.h>
#include <hwbinder/IPCThreadState.h>
#include "WVCryptoFactory.h"
#include "HidlTypes.h"
#include "WVCDMSingleton.h"
#include "WVCryptoPlugin.h"
#include "WVUUID.h"
namespace wvdrm {
namespace hardware {
namespace drm {
namespace V1_2 {
namespace widevine {
Return<bool> WVCryptoFactory::isCryptoSchemeSupported(
const hidl_array<uint8_t, 16>& uuid) {
return isWidevineUUID(uuid.data());
}
Return<void> WVCryptoFactory::createPlugin(
const hidl_array<uint8_t, 16>& uuid,
const hidl_vec<uint8_t>& initData,
createPlugin_cb _hidl_cb) {
const auto& self = android::hardware::IPCThreadState::self();
const char* sid = self->getCallingSid();
sid = strstr(sid, "mediadrmserver") ? sid : (sid ? "app" : "nullptr");
ALOGI("%s: calling sid [%s]", __func__, sid);
sp<ICryptoPlugin> plugin;
if (!isCryptoSchemeSupported(uuid.data())) {
ALOGE("Widevine Drm HAL: failed to create crypto plugin, " \
"invalid crypto scheme");
_hidl_cb(Status::ERROR_DRM_CANNOT_HANDLE, plugin);
return Void();
}
plugin = new WVCryptoPlugin(initData.data(), initData.size(), getCDM());
android::hardware::setRequestingSid(plugin, true);
_hidl_cb(Status::OK, plugin);
return Void();
}
} // namespace widevine
} // namespace V1_2
} // namespace drm
} // namespace hardware
} // namespace wvdrm