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Commit 96cfebcf authored by Peiyong Lin's avatar Peiyong Lin
Browse files

[SurfaceFlinger] Allow root to capture screen. 

If adb is running in root, then uid is AID_ROOT and capture screen will fail.
This patch allows root to capture screen.

BUG: 132777517
Test: adb shell screencap -d 0 -p /sdcard/test.png produces a valid screenshot
Change-Id: Ib6eaad2dffa7a68f4b1fce548814f0c2f172c3fd
parent 3f8312b5

services/surfaceflinger/SurfaceFlinger.cpp

+1 −1
Original line number Diff line number Diff line
@@ -5100,7 +5100,7 @@ status_t SurfaceFlinger::CheckTransactCodeCredentials(uint32_t code) { 
        case CAPTURE_SCREEN_BY_ID: {

            IPCThreadState* ipc = IPCThreadState::self();

            const int uid = ipc->getCallingUid();

            if ((uid == AID_GRAPHICS) || (uid == AID_SYSTEM) || (uid == AID_SHELL)) {

            if (uid == AID_ROOT || uid == AID_GRAPHICS || uid == AID_SYSTEM || uid == AID_SHELL) {

                return OK;

            }

            return PERMISSION_DENIED;