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
12 namespace {
13
14 // SEP stands for Symantec End Point Protection.
GetSEPVersion()15 std::wstring GetSEPVersion() {
16 const wchar_t kProductKey[] =
17 L"SOFTWARE\\Symantec\\Symantec Endpoint Protection\\SMC";
18 // Versions before 11MR3 were always 32-bit, so check in the 32-bit hive.
19 base::win::RegKey key(
20 HKEY_LOCAL_MACHINE, kProductKey, KEY_READ | KEY_WOW64_32KEY);
21 std::wstring version_str;
22 key.ReadValue(L"ProductVersion", &version_str);
23 return version_str;
24 }
25
26 // The product version should be a string like "11.0.3001.2224". This function
27 // returns as params the first 3 values. Return value is false if anything
28 // does not fit the format.
ParseSEPVersion(const std::wstring & version,int * v0,int * v1,int * v2)29 bool ParseSEPVersion(const std::wstring& version, int* v0, int* v1, int* v2) {
30 std::vector<std::wstring> v;
31 base::SplitString(version, L'.', &v);
32 if (v.size() != 4)
33 return false;
34 if (!base::StringToInt(v[0], v0))
35 return false;
36 if (!base::StringToInt(v[1], v1))
37 return false;
38 if (!base::StringToInt(v[2], v2))
39 return false;
40 return true;
41 }
42
43 // The incompatible versions are anything before 11MR3, which is 11.0.3001.
IsBadSEPVersion(int v0,int v1,int v2)44 bool IsBadSEPVersion(int v0, int v1, int v2) {
45 if (v0 < 11)
46 return true;
47 if (v1 > 0)
48 return false;
49 if (v2 < 3001)
50 return true;
51 return false;
52 }
53
54 } // namespace
55
HasIncompatibleSymantecEndpointVersion(const wchar_t * version)56 bool HasIncompatibleSymantecEndpointVersion(const wchar_t* version) {
57 int v0, v1, v2;
58 std::wstring ver_str(version ? version : GetSEPVersion());
59 if (!ParseSEPVersion(ver_str, &v0, &v1, &v2))
60 return false;
61 return IsBadSEPVersion(v0, v1, v2);
62 }
63