From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Fri, 19 Apr 2024 02:47:55 +0200
Subject: Adding upstream version 124.0.1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../chromium-shim/base/file_version_info_win.cpp   | 90 ++++++++++++++++++++++
 1 file changed, 90 insertions(+)
 create mode 100644 security/sandbox/chromium-shim/base/file_version_info_win.cpp

(limited to 'security/sandbox/chromium-shim/base/file_version_info_win.cpp')

diff --git a/security/sandbox/chromium-shim/base/file_version_info_win.cpp b/security/sandbox/chromium-shim/base/file_version_info_win.cpp
new file mode 100644
index 0000000000..bc4d6a4fe0
--- /dev/null
+++ b/security/sandbox/chromium-shim/base/file_version_info_win.cpp
@@ -0,0 +1,90 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+// This is a partial implementation of Chromium's source file
+// base/file_version_info_win.cc
+
+#include "base/file_version_info_win.h"
+
+#include "base/files/file_path.h"
+#include "base/memory/ptr_util.h"
+#include "base/threading/scoped_blocking_call.h"
+
+#include "mozilla/Unused.h"
+
+namespace {
+
+struct LanguageAndCodePage {
+  WORD language;
+  WORD code_page;
+};
+
+// Returns the \VarFileInfo\Translation value extracted from the
+// VS_VERSION_INFO resource in |data|.
+LanguageAndCodePage* GetTranslate(const void* data) {
+  static constexpr wchar_t kTranslation[] = L"\\VarFileInfo\\Translation";
+  LPVOID translate = nullptr;
+  UINT dummy_size;
+  if (::VerQueryValue(data, kTranslation, &translate, &dummy_size))
+    return static_cast<LanguageAndCodePage*>(translate);
+  return nullptr;
+}
+
+const VS_FIXEDFILEINFO& GetVsFixedFileInfo(const void* data) {
+  static constexpr wchar_t kRoot[] = L"\\";
+  LPVOID fixed_file_info = nullptr;
+  UINT dummy_size;
+  CHECK(::VerQueryValue(data, kRoot, &fixed_file_info, &dummy_size));
+  return *static_cast<VS_FIXEDFILEINFO*>(fixed_file_info);
+}
+
+}  // namespace
+
+// static
+std::unique_ptr<FileVersionInfoWin>
+FileVersionInfoWin::CreateFileVersionInfoWin(const base::FilePath& file_path) {
+  base::ScopedBlockingCall scoped_blocking_call(FROM_HERE,
+                                                base::BlockingType::MAY_BLOCK);
+
+  DWORD dummy;
+  const wchar_t* path = file_path.value().c_str();
+  const DWORD length = ::GetFileVersionInfoSize(path, &dummy);
+  if (length == 0)
+    return nullptr;
+
+  std::vector<uint8_t> data(length, 0);
+
+  if (!::GetFileVersionInfo(path, dummy, length, data.data()))
+    return nullptr;
+
+  const LanguageAndCodePage* translate = GetTranslate(data.data());
+  if (!translate)
+    return nullptr;
+
+  return base::WrapUnique(new FileVersionInfoWin(
+      std::move(data), translate->language, translate->code_page));
+}
+
+base::Version FileVersionInfoWin::GetFileVersion() const {
+  return base::Version({HIWORD(fixed_file_info_.dwFileVersionMS),
+                        LOWORD(fixed_file_info_.dwFileVersionMS),
+                        HIWORD(fixed_file_info_.dwFileVersionLS),
+                        LOWORD(fixed_file_info_.dwFileVersionLS)});
+}
+
+FileVersionInfoWin::FileVersionInfoWin(std::vector<uint8_t>&& data,
+                                       WORD language,
+                                       WORD code_page)
+    : owned_data_(std::move(data)),
+      data_(owned_data_.data()),
+      language_(language),
+      code_page_(code_page),
+      fixed_file_info_(GetVsFixedFileInfo(data_)) {
+  DCHECK(!owned_data_.empty());
+
+  mozilla::Unused << language_;
+  mozilla::Unused << code_page_;
+}
-- 
cgit v1.2.3