Supports DevTools socket access authentication based on Android permissions.

content/browser/android/devtools_auth.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/public/browser/android/devtools_auth.h"
 
+#include <pwd.h>
+#include <sys/types.h>
 #include <unistd.h>
-#include <sys/types.h>
 
 #include "base/logging.h"
 
 namespace content {
 
-bool CanUserConnectToDevTools(uid_t uid, gid_t gid) {
-  struct passwd* creds = getpwuid(uid);
+bool CanUserConnectToDevTools(
+    const net::UnixDomainServerSocket::Credentials& credentials) {
+  struct passwd* creds = getpwuid(credentials.user_id);
   if (!creds || !creds->pw_name) {
-    LOG(WARNING) << "DevTools: can't obtain creds for uid " << uid;
+    LOG(WARNING) << "DevTools: can't obtain creds for uid "
+        << credentials.user_id;
     return false;
   }
-  if (gid == uid &&
+  if (credentials.group_id == credentials.user_id &&
       (strcmp("root", creds->pw_name) == 0 ||   // For rooted devices
        strcmp("shell", creds->pw_name) == 0 ||  // For non-rooted devices
-       uid == getuid())) {  // From processes signed with the same key
+
+       // From processes signed with the same key
+       credentials.user_id == getuid())) {
     return true;
   }
   LOG(WARNING) << "DevTools: connection attempt from " << creds->pw_name;
   return false;
 }
 
 }  // namespace content