1// Copyright 2014 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 "remoting/protocol/network_settings.h"
6
7#include <limits.h>
8#include <stdlib.h>
9
10#include "base/strings/string_number_conversions.h"
11#include "base/strings/string_util.h"
12
13namespace remoting {
14namespace protocol {
15
16// static
17  bool NetworkSettings::ParsePortRange(const std::string& port_range,
18                                       int* out_min_port,
19                                       int* out_max_port) {
20  size_t separator_index = port_range.find('-');
21  if (separator_index == std::string::npos)
22    return false;
23
24  std::string min_port_string, max_port_string;
25  base::TrimWhitespaceASCII(port_range.substr(0, separator_index),
26                            base::TRIM_ALL,
27                            &min_port_string);
28  base::TrimWhitespaceASCII(port_range.substr(separator_index + 1),
29                            base::TRIM_ALL,
30                            &max_port_string);
31
32  unsigned min_port, max_port;
33  if (!base::StringToUint(min_port_string, &min_port) ||
34      !base::StringToUint(max_port_string, &max_port)) {
35    return false;
36  }
37
38  if (min_port == 0 || min_port > max_port || max_port > USHRT_MAX)
39    return false;
40
41  *out_min_port = static_cast<int>(min_port);
42  *out_max_port = static_cast<int>(max_port);
43  return true;
44}
45
46}  // namespace protocol
47}  // namespace remoting
48