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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. | |
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. | |
29 bool ParseSEPVersion(const base::string16& version, | |
30 int* v0, int* v1, int* v2) { | |
31 std::vector<base::StringPiece16> v = base::SplitStringPiece( | |
32 version, L".", base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL); | |
33 if (v.size() != 4) | |
34 return false; | |
35 if (!base::StringToInt(v[0], v0)) | |
36 return false; | |
37 if (!base::StringToInt(v[1], v1)) | |
38 return false; | |
39 if (!base::StringToInt(v[2], v2)) | |
40 return false; | |
41 return true; | |
42 } | |
43 | |
44 // The incompatible versions are anything before 11MR3, which is 11.0.3001. | |
45 bool IsBadSEPVersion(int v0, int v1, int v2) { | |
46 if (v0 < 11) | |
47 return true; | |
48 if (v1 > 0) | |
49 return false; | |
50 if (v2 < 3001) | |
51 return true; | |
52 return false; | |
53 } | |
54 | |
55 } // namespace | |
56 | |
57 bool HasIncompatibleSymantecEndpointVersion(const wchar_t* version) { | |
58 int v0, v1, v2; | |
59 std::wstring ver_str(version ? version : GetSEPVersion()); | |
60 if (!ParseSEPVersion(ver_str, &v0, &v1, &v2)) | |
61 return false; | |
62 return IsBadSEPVersion(v0, v1, v2); | |
63 } | |
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