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Commit 41da314c authored by Steven Moreland's avatar Steven Moreland Committed by android-build-merger
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Merge "Revert "Revert "libbinder: vendor binder has a different header""" into... 

Merge "Revert "Revert "libbinder: vendor binder has a different header""" into stage-aosp-master am: b33106b2
am: f37db002

Change-Id: Ib99eedcbbade1ddb6256481c8c15eee44acb1956
parents 7dde9178 f37db002

libs/binder/Parcel.cpp

+13 −0
Original line number Diff line number Diff line
@@ -494,6 +494,12 @@ void Parcel::updateWorkSourceRequestHeaderPosition() const { 
    }

}



#ifdef __ANDROID_VNDK__

constexpr int32_t kHeader = B_PACK_CHARS('V', 'N', 'D', 'R');

#else

constexpr int32_t kHeader = B_PACK_CHARS('S', 'Y', 'S', 'T');

#endif



// Write RPC headers.  (previously just the interface token)

status_t Parcel::writeInterfaceToken(const String16& interface)

{
@@ -502,6 +508,7 @@ status_t Parcel::writeInterfaceToken(const String16& interface) 
    updateWorkSourceRequestHeaderPosition();

    writeInt32(threadState->shouldPropagateWorkSource() ?

            threadState->getCallingWorkSourceUid() : IPCThreadState::kUnsetWorkSource);

    writeInt32(kHeader);

    // currently the interface identification token is just its name as a string

    return writeString16(interface);

}
@@ -559,6 +566,12 @@ bool Parcel::enforceInterface(const String16& interface, 
    updateWorkSourceRequestHeaderPosition();

    int32_t workSource = readInt32();

    threadState->setCallingWorkSourceUidWithoutPropagation(workSource);

    // vendor header

    int32_t header = readInt32();

    if (header != kHeader) {

        ALOGE("Expecting header 0x%x but found 0x%x. Mixing copies of libbinder?", kHeader, header);

        return false;

    }

    // Interface descriptor.

    const String16 str(readString16());

    if (str == interface) {