compat_checks.cc revision 7d4cd473f85ac64c3747c96c277f9e506a0d2246 
1// Copyright (c) 2010 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 "chrome/installer/util/compat_checks.h"
6
7#include "base/strings/string_number_conversions.h"
8#include "base/strings/string_split.h"
9#include "base/strings/string_util.h"
10#include "base/win/registry.h"
11
12namespace {
13
14// SEP stands for Symantec End Point Protection.
15std::wstring GetSEPVersion() {
16  const wchar_t kProductKey[] =
17      L"SOFTWARE\\Symantec\\Symantec Endpoint Protection\\SMC";
18  base::win::RegKey key(HKEY_LOCAL_MACHINE, kProductKey, KEY_READ);
19  std::wstring version_str;
20  key.ReadValue(L"ProductVersion", &version_str);
21  return version_str;
22}
23
24// The product version should be a string like "11.0.3001.2224". This function
25// returns as params the first 3 values. Return value is false if anything
26// does not fit the format.
27bool ParseSEPVersion(const std::wstring& version, int* v0, int* v1, int* v2) {
28  std::vector<std::wstring> v;
29  base::SplitString(version, L'.', &v);
30  if (v.size() != 4)
31    return false;
32  if (!base::StringToInt(v[0], v0))
33    return false;
34  if (!base::StringToInt(v[1], v1))
35    return false;
36  if (!base::StringToInt(v[2], v2))
37    return false;
38  return true;
39}
40
41// The incompatible versions are anything before 11MR3, which is 11.0.3001.
42bool IsBadSEPVersion(int v0, int v1, int v2) {
43  if (v0 < 11)
44    return true;
45  if (v1 > 0)
46    return false;
47  if (v2 < 3001)
48    return true;
49  return false;
50}
51
52}  // namespace
53
54bool HasIncompatibleSymantecEndpointVersion(const wchar_t* version) {
55  int v0, v1, v2;
56  std::wstring ver_str(version ? version : GetSEPVersion());
57  if (!ParseSEPVersion(ver_str, &v0, &v1, &v2))
58    return false;
59  return IsBadSEPVersion(v0, v1, v2);
60}
61