From 3085a47ebb695dd95271a7db2aa0d181d69c1f4d Mon Sep 17 00:00:00 2001
From: Steven Moreland <smoreland@google.com>
Date: Wed, 26 Dec 2018 13:59:23 -0800
Subject: getCallingSid: get calling security context

This call gets the security context of the calling process when
requested.

Bug: 121035042
Test: boot

Change-Id: Ia8a4c0cb4a9c86dcc0d3b7583014237f879a3074
Merged-In: Ia8a4c0cb4a9c86dcc0d3b7583014237f879a3074
---
 libs/binder/Parcel.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'libs/binder/Parcel.cpp')

diff --git a/libs/binder/Parcel.cpp b/libs/binder/Parcel.cpp
index ca6a97debb..9f8c40876e 100644
--- a/libs/binder/Parcel.cpp
+++ b/libs/binder/Parcel.cpp
@@ -215,7 +215,7 @@ status_t flatten_binder(const sp<ProcessState>& /*proc*/,
     }
 
     if (binder != nullptr) {
-        IBinder *local = binder->localBinder();
+        BBinder *local = binder->localBinder();
         if (!local) {
             BpBinder *proxy = binder->remoteBinder();
             if (proxy == nullptr) {
@@ -227,6 +227,9 @@ status_t flatten_binder(const sp<ProcessState>& /*proc*/,
             obj.handle = handle;
             obj.cookie = 0;
         } else {
+            if (local->isRequestingSid()) {
+                obj.flags |= FLAT_BINDER_FLAG_TXN_SECURITY_CTX;
+            }
             obj.hdr.type = BINDER_TYPE_BINDER;
             obj.binder = reinterpret_cast<uintptr_t>(local->getWeakRefs());
             obj.cookie = reinterpret_cast<uintptr_t>(local);
-- 
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