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Call AIBinder_setRequestingSid from createBinder override function

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AIBinder_setRequestingSid must be called first upon creation of a
binder object before AIBinder_getCallingSid is called. Call
AIBinder_setRequestingSid in the createBinder override function
for WVDrmFactory, WVDrmPlugin and WVCryptoPlugin classes.

Test: Play TV streaming
Test: adb shell dumpsys android.hardware.drm.IDrmFactory/widevine -a

Bug: 237613676
Change-Id: I9dde4715ba2003deb463bd75b23e1ebc2f22a764
This commit is contained in:
Edwin Wong
2022-07-30 01:50:48 +00:00
parent 6a0d1ce668
commit 6797b8eb8a
8 changed files with 26 additions and 4 deletions
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2
libwvdrmengine/mediadrm/aidl_include/WVDrmPlugin.h
View File

@@ -407,6 +407,8 @@ class WVDrmPlugin : public ::aidl::android::hardware::drm::BnDrmPlugin,
std::string mAppPackageName;
::ndk::SpAIBinder createBinder() override;
Status queryProperty(const std::string& property,
std::string& stringValue) const;

6
libwvdrmengine/mediadrm/aidl_src/WVDrmPlugin.cpp
View File

@@ -1851,6 +1851,12 @@ Status WVDrmPlugin::queryProperty(RequestedSecurityLevel securityLevel,
return mapCdmResponseType(res);
}
::ndk::SpAIBinder WVDrmPlugin::createBinder() {
auto binder = BnDrmPlugin::createBinder();
AIBinder_setRequestingSid(binder.get(), true);
return binder;
}
Status WVDrmPlugin::queryProperty(const std::string& property,
vector<uint8_t>& vector_value) const {
std::string string_value;