diff --git a/libs/binder/Android.bp b/libs/binder/Android.bp
index 4780757..175e982 100644
--- a/libs/binder/Android.bp
+++ b/libs/binder/Android.bp
@@ -32,6 +32,7 @@
         "IProcessInfoService.cpp",
         "IResultReceiver.cpp",
         "IServiceManager.cpp",
+        "IShellCallback.cpp",
         "MemoryBase.cpp",
         "MemoryDealer.cpp",
         "MemoryHeapBase.cpp",
diff --git a/libs/binder/Binder.cpp b/libs/binder/Binder.cpp
index 7ce2a31..890ef30 100644
--- a/libs/binder/Binder.cpp
+++ b/libs/binder/Binder.cpp
@@ -21,6 +21,7 @@
 #include <binder/BpBinder.h>
 #include <binder/IInterface.h>
 #include <binder/IResultReceiver.h>
+#include <binder/IShellCallback.h>
 #include <binder/Parcel.h>
 
 #include <stdio.h>
@@ -62,7 +63,8 @@
 
 
 status_t IBinder::shellCommand(const sp<IBinder>& target, int in, int out, int err,
-    Vector<String16>& args, const sp<IResultReceiver>& resultReceiver)
+    Vector<String16>& args, const sp<IShellCallback>& callback,
+    const sp<IResultReceiver>& resultReceiver)
 {
     Parcel send;
     Parcel reply;
@@ -74,6 +76,7 @@
     for (size_t i = 0; i < numArgs; i++) {
         send.writeString16(args[i]);
     }
+    send.writeStrongBinder(callback != NULL ? IInterface::asBinder(callback) : NULL);
     send.writeStrongBinder(resultReceiver != NULL ? IInterface::asBinder(resultReceiver) : NULL);
     return target->transact(SHELL_COMMAND_TRANSACTION, send, &reply);
 }
@@ -232,6 +235,8 @@
             for (int i = 0; i < argc && data.dataAvail() > 0; i++) {
                args.add(data.readString16());
             }
+            sp<IShellCallback> shellCallback = IShellCallback::asInterface(
+                    data.readStrongBinder());
             sp<IResultReceiver> resultReceiver = IResultReceiver::asInterface(
                     data.readStrongBinder());
 
diff --git a/libs/binder/IShellCallback.cpp b/libs/binder/IShellCallback.cpp
new file mode 100644
index 0000000..8b97301
--- /dev/null
+++ b/libs/binder/IShellCallback.cpp
@@ -0,0 +1,83 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "ShellCallback"
+
+#include <binder/IShellCallback.h>
+
+#include <utils/Log.h>
+#include <binder/Parcel.h>
+#include <utils/String8.h>
+
+#include <private/binder/Static.h>
+
+namespace android {
+
+// ----------------------------------------------------------------------
+
+class BpShellCallback : public BpInterface<IShellCallback>
+{
+public:
+    explicit BpShellCallback(const sp<IBinder>& impl)
+        : BpInterface<IShellCallback>(impl)
+    {
+    }
+
+    virtual int openOutputFile(const String16& path, const String16& seLinuxContext) {
+        Parcel data, reply;
+        data.writeInterfaceToken(IShellCallback::getInterfaceDescriptor());
+        data.writeString16(path);
+        data.writeString16(seLinuxContext);
+        remote()->transact(OP_OPEN_OUTPUT_FILE, data, &reply, 0);
+        reply.readExceptionCode();
+        int fd = reply.readParcelFileDescriptor();
+        return fd >= 0 ? dup(fd) : fd;
+
+    }
+};
+
+IMPLEMENT_META_INTERFACE(ShellCallback, "com.android.internal.os.IShellCallback");
+
+// ----------------------------------------------------------------------
+
+status_t BnShellCallback::onTransact(
+    uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
+{
+    switch(code) {
+        case OP_OPEN_OUTPUT_FILE: {
+            CHECK_INTERFACE(IShellCallback, data, reply);
+            String16 path(data.readString16());
+            String16 seLinuxContext(data.readString16());
+            int fd = openOutputFile(path, seLinuxContext);
+            if (reply != NULL) {
+                reply->writeNoException();
+                if (fd >= 0) {
+                    reply->writeInt32(1);
+                    reply->writeParcelFileDescriptor(fd, true);
+                } else {
+                    reply->writeInt32(0);
+                }
+            } else if (fd >= 0) {
+                close(fd);
+            }
+            return NO_ERROR;
+        } break;
+        default:
+            return BBinder::onTransact(code, data, reply, flags);
+    }
+}
+
+}; // namespace android
diff --git a/libs/binder/Parcel.cpp b/libs/binder/Parcel.cpp
index 572c284..601df46 100644
--- a/libs/binder/Parcel.cpp
+++ b/libs/binder/Parcel.cpp
@@ -1153,6 +1153,12 @@
     return err;
 }
 
+status_t Parcel::writeParcelFileDescriptor(int fd, bool takeOwnership)
+{
+    writeInt32(0);
+    return writeFileDescriptor(fd, takeOwnership);
+}
+
 status_t Parcel::writeUniqueFileDescriptor(const base::unique_fd& fd) {
     return writeDupFileDescriptor(fd.get());
 }
@@ -1984,7 +1990,6 @@
     return h;
 }
 
-
 int Parcel::readFileDescriptor() const
 {
     const flat_binder_object* flat = readObject(true);
@@ -1996,6 +2001,17 @@
     return BAD_TYPE;
 }
 
+int Parcel::readParcelFileDescriptor() const
+{
+    int32_t hasComm = readInt32();
+    int fd = readFileDescriptor();
+    if (hasComm != 0) {
+        // skip
+        readFileDescriptor();
+    }
+    return fd;
+}
+
 status_t Parcel::readUniqueFileDescriptor(base::unique_fd* val) const
 {
     int got = readFileDescriptor();