5 files changed, 108 insertions, 2 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);
+}
+
diff --git a/chrome/installer/util/compat_checks.h b/chrome/installer/util/compat_checks.h
new file mode 100644
index 0000000..c489208
--- /dev/null
+++ b/chrome/installer/util/compat_checks.h
@@ -0,0 +1,12 @@
+// 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.
+
+#ifndef CHROME_INSTALLER_UTIL_COMPAT_CHECKS_H_
+#define CHROME_INSTALLER_UTIL_COMPAT_CHECKS_H_
+
+// Returns true if this computer has a Symantec End Point version that
+// is known to cause trouble. Non- null parameters are only used in testing.
+bool HasIncompatibleSymantecEndpointVersion(const wchar_t* version);
+
+#endif  // CHROME_INSTALLER_UTIL_COMPAT_CHECKS_H_
diff --git a/chrome/installer/util/compat_checks_unittest.cc b/chrome/installer/util/compat_checks_unittest.cc
new file mode 100644
index 0000000..3c43a26
--- /dev/null
+++ b/chrome/installer/util/compat_checks_unittest.cc
@@ -0,0 +1,23 @@
+// 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/setup/compat_checks.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+// Test that we detect the incompatible SEP version. The very last digit
+// of the version does not matter but must be present.
+TEST(CompatTests, SymantecSEP) {
+  EXPECT_FALSE(HasIncompatibleSymantecEndpointVersion(L"11.0.3001.0"));
+  EXPECT_TRUE(HasIncompatibleSymantecEndpointVersion(L"11.0.3000.1"));
+  EXPECT_TRUE(HasIncompatibleSymantecEndpointVersion(L"11.0.2999.1"));
+  EXPECT_TRUE(HasIncompatibleSymantecEndpointVersion(L"10.1.5000.1"));
+  EXPECT_TRUE(HasIncompatibleSymantecEndpointVersion(L"9.5.1000.0"));
+
+  EXPECT_FALSE(HasIncompatibleSymantecEndpointVersion(L""));
+  EXPECT_FALSE(HasIncompatibleSymantecEndpointVersion(L"11.0.3000"));
+  EXPECT_FALSE(HasIncompatibleSymantecEndpointVersion(L"11.0.3000.1.2"));
+  EXPECT_FALSE(HasIncompatibleSymantecEndpointVersion(L"11.b.3000.1"));
+
+}
+
diff --git a/chrome/installer/util/installer_unittests.vcproj b/chrome/installer/util/installer_unittests.vcproj
index 5ac125b..62ac85a 100644
--- a/chrome/installer/util/installer_unittests.vcproj
+++ b/chrome/installer/util/installer_unittests.vcproj
@@ -152,6 +152,10 @@
 			Name="tests"
 			>
 			<File
+				RelativePath="..\setup\compat_checks_unittest.cc"
+				>
+			</File>
+			<File
 				RelativePath="copy_tree_work_item_unittest.cc"
 				>
 			</File>
@@ -172,11 +176,11 @@
 				>
 			</File>
 			<File
-				RelativePath="helper_unittest.cc"
+				RelativePath="google_chrome_distribution_unittest.cc"
 				>
 			</File>
 			<File
-				RelativePath="google_chrome_distribution_unittest.cc"
+				RelativePath="helper_unittest.cc"
 				>
 			</File>
 			<File
diff --git a/chrome/installer/util/util.vcproj b/chrome/installer/util/util.vcproj
index 6bd7ed0..9c7547f 100644
--- a/chrome/installer/util/util.vcproj
+++ b/chrome/installer/util/util.vcproj
@@ -129,6 +129,14 @@
 			>
 		</File>
 		<File
+			RelativePath=".\compat_checks.cc"
+			>
+		</File>
+		<File
+			RelativePath=".\compat_checks.h"
+			>
+		</File>
+		<File
 			RelativePath=".\copy_tree_work_item.cc"
 			>
 		</File>