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
13namespace content {
14
15bool 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
36