diff --git a/opengl/libs/GLES_trace/src/gltrace_transport.cpp b/opengl/libs/GLES_trace/src/gltrace_transport.cpp index 5251b12ce..5c7345631 100644 --- a/opengl/libs/GLES_trace/src/gltrace_transport.cpp +++ b/opengl/libs/GLES_trace/src/gltrace_transport.cpp @@ -23,6 +23,7 @@ #include #include +#include #include "gltrace_transport.h" @@ -67,6 +68,19 @@ int acceptClientConnection(char *sockname) { return -1; } + struct ucred cr; + socklen_t cr_len = sizeof(cr); + if (getsockopt(clientSocket, SOL_SOCKET, SO_PEERCRED, &cr, &cr_len) != 0) { + ALOGE("Error obtaining credentials of peer"); + return -1; + } + + // Only accept connects from the shell (adb forward comes to us as shell user) + if (cr.uid != AID_SHELL) { + ALOGE("Unknown peer type (%d), expected shell to be the peer", cr.uid); + return -1; + } + ALOGD("gltrace::waitForClientConnection: client connected."); // do not accept any more incoming connections