diff options
| author | 2020-10-27 00:12:12 +0000 | |
|---|---|---|
| committer | 2020-11-09 21:05:06 +0000 | |
| commit | f183fdd024bfa87e929219ac537b7090eabae9b1 (patch) | |
| tree | 4ec6148be9104ef1e4e6b7be15d15599db2ab64b /libs/binder/IPCThreadState.cpp | |
| parent | b40b64d0f8740dfa06da50b56ed48bf496dee4f8 (diff) | |
libbinder: support TF_CLEAR_BUF
This flag instructs the kernel to clear transactions from send/reply
buffers for certain transactions which may contain sensitive data, as a
security precaution.
Bug: 171501998
Test: binderLibTest (only checks there is no error)
Change-Id: I69d732e5cc2b15472dc52d47c66716bc1b3be6ae
Diffstat (limited to 'libs/binder/IPCThreadState.cpp')
| -rw-r--r-- | libs/binder/IPCThreadState.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/libs/binder/IPCThreadState.cpp b/libs/binder/IPCThreadState.cpp index 05fcc2b878..a3a2f871e6 100644 --- a/libs/binder/IPCThreadState.cpp +++ b/libs/binder/IPCThreadState.cpp @@ -1244,7 +1244,9 @@ status_t IPCThreadState::executeCommand(int32_t cmd) if ((tr.flags & TF_ONE_WAY) == 0) { LOG_ONEWAY("Sending reply to %d!", mCallingPid); if (error < NO_ERROR) reply.setError(error); - sendReply(reply, 0); + + constexpr uint32_t kForwardReplyFlags = TF_CLEAR_BUF; + sendReply(reply, (tr.flags & kForwardReplyFlags)); } else { if (error != OK || reply.dataSize() != 0) { alog << "oneway function results will be dropped but finished with status " |