content/browser/android/devtools_auth.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "content/public/browser/android/devtools_auth.h"
   6
   7 #include <pwd.h>
   8 #include <sys/types.h>
   9 #include <unistd.h>
  10
  11 #include "base/logging.h"
  12
  13 namespace content {
  14
  15 bool CanUserConnectToDevTools(
  16     const net::UnixDomainServerSocket::Credentials& credentials) {
  17   struct passwd* creds = getpwuid(credentials.user_id);
  18   if (!creds || !creds->pw_name) {
  19     LOG(WARNING) << "DevTools: can't obtain creds for uid "
  20         << credentials.user_id;
  21     return false;
  22   }
  23   if (credentials.group_id == credentials.user_id &&
  24       (strcmp("root", creds->pw_name) == 0 ||   // For rooted devices
  25        strcmp("shell", creds->pw_name) == 0 ||  // For non-rooted devices
  26
  27        // From processes signed with the same key
  28        credentials.user_id == getuid())) {
  29     return true;
  30   }
  31   LOG(WARNING) << "DevTools: connection attempt from " << creds->pw_name;
  32   return false;
  33 }
  34
  35 }  // namespace content