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gltrace: Only accept connections from the shell. 

Only accept incoming connections from the shell user.

Change-Id: Ibef1a796d794d45f73db59949b39cb1ce68542b4
This commit is contained in:
Siva Velusamy 2012-03-15 16:18:38 -07:00
parent 9eeebe3980
commit 8e2f3858d5
1 changed files with 14 additions and 0 deletions
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14
opengl/libs/GLES_trace/src/gltrace_transport.cpp
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@ -23,6 +23,7 @@
#include <netinet/in.h>
#include <cutils/log.h>
#include <private/android_filesystem_config.h>
#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