1 files changed, 59 insertions, 0 deletions
diff --git a/chrome/installer/util/compat_checks.cc b/chrome/installer/util/compat_checks.cc
new file mode 100644
index 0000000..3c1d3ae
--- /dev/null
+++ b/chrome/installer/util/compat_checks.cc
@@ -0,0 +1,59 @@
+// Copyright (c) 2006-2009 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chrome/installer/util/compat_checks.h"
+
+#include "base/registry.h"
+#include "base/string_util.h"
+
+namespace {
+
+// SEP stands for Symantec End Point Protection.
+std::wstring GetSEPVersion() {
+  const wchar_t kProductKey[] =
+      L"SOFTWARE\\Symantec\\Symantec Endpoint Protection\\SMC";
+  RegKey key(HKEY_LOCAL_MACHINE, kProductKey, KEY_READ);
+  std::wstring version_str;
+  key.ReadValue(L"ProductVersion", &version_str);
+  return version_str;
+}
+
+// The product version should be a string like "11.0.3001.2224". This function
+// returns as params the first 3 values. Return value is false if anything
+// does not fit the format.
+bool ParseSEPVersion(const std::wstring& version, int* v0, int* v1, int* v2) {
+  std::vector<std::wstring> v;
+  SplitString(version, L'.', &v);
+  if (v.size() != 4)
+    return false;
+  if (!StringToInt(v[0], v0))
+    return false;
+  if (!StringToInt(v[1], v1))
+    return false;
+  if (!StringToInt(v[2], v2))
+    return false;
+  return true;
+}
+
+// The incompatible versions are anything before 11MR3, which is 11.0.3001.
+bool IsBadSEPVersion(int v0, int v1, int v2) {
+  if (v0 < 11)
+    return true;
+  if (v1 > 0)
+    return false;
+  if (v2 < 3001)
+    return true;
+  return false;
+}
+
+}  // namespace
+
+bool HasIncompatibleSymantecEndpointVersion(const wchar_t* version) {
+  int v0, v1, v2;
+  std::wstring ver_str(version ? version : GetSEPVersion());
+  if (!ParseSEPVersion(ver_str, &v0, &v1, &v2))
+    return false;
+  return IsBadSEPVersion(v0, v1, v2);
+}
+