add libnt_path_converter

6 files changed, 125 insertions, 0 deletions

diff --git a/utils/libnt_path_converter/CMakeLists.txt b/utils/libnt_path_converter/CMakeLists.txt
new file mode 100644
index 0000000..626a4b1
--- /dev/null
+++ b/utils/libnt_path_converter/CMakeLists.txt
@@ -0,0 +1,9 @@
+project(libnt_path_converter)
+file(GLOB ${PROJECT_NAME}_sources "src/*.cpp")
+file(GLOB_RECURSE ${PROJECT_NAME}_headers "include/*.hpp")
+add_library(${PROJECT_NAME} ${${PROJECT_NAME}_sources}
+                            ${${PROJECT_NAME}_headers})
+target_link_libraries(${PROJECT_NAME} libservice)
+target_include_directories(${PROJECT_NAME} PUBLIC include/)
+
+add_subdirectory(utils)
diff --git a/utils/libnt_path_converter/include/libnt_path_converter/all.hpp b/utils/libnt_path_converter/include/libnt_path_converter/all.hpp
new file mode 100644
index 0000000..899fc3d
--- /dev/null
+++ b/utils/libnt_path_converter/include/libnt_path_converter/all.hpp
@@ -0,0 +1,11 @@
+/**
+ * \file
+ * \author Egor Tensin <Egor.Tensin@gmail.com>
+ * \date 2015
+ * \copyright This file is licensed under the terms of the MIT License.
+ *            See LICENSE.txt for details.
+ */
+
+#pragma once
+
+#include "device.hpp"
diff --git a/utils/libnt_path_converter/include/libnt_path_converter/device.hpp b/utils/libnt_path_converter/include/libnt_path_converter/device.hpp
new file mode 100644
index 0000000..783bf73
--- /dev/null
+++ b/utils/libnt_path_converter/include/libnt_path_converter/device.hpp
@@ -0,0 +1,24 @@
+/**
+ * \file
+ * \author Egor Tensin <Egor.Tensin@gmail.com>
+ * \date 2015
+ * \copyright This file is licensed under the terms of the MIT License.
+ *            See LICENSE.txt for details.
+ */
+
+#pragma once
+
+#include "libservice/interface.hpp"
+
+#include <string>
+
+namespace libnt_path_converter
+{
+    class Device : libservice::Device
+    {
+    public:
+        Device();
+
+        std::wstring convert_nt_path(const std::wstring&);
+    };
+}                                           
diff --git a/utils/libnt_path_converter/src/device.cpp b/utils/libnt_path_converter/src/device.cpp
new file mode 100644
index 0000000..7fc8c99
--- /dev/null
+++ b/utils/libnt_path_converter/src/device.cpp
@@ -0,0 +1,50 @@
+/**
+ * \file
+ * \author Egor Tensin <Egor.Tensin@gmail.com>
+ * \date 2015
+ * \copyright This file is licensed under the terms of the MIT License.
+ *            See LICENSE.txt for details.
+ */
+
+#include "libnt_path_converter/device.hpp"
+
+#include "libservice/interface.hpp"
+
+#include <Windows.h>
+
+#include <string>
+#include <vector>
+
+namespace libnt_path_converter
+{
+    namespace
+    {
+        const char* const device_path = "\\\\.\\nt_path_converter";
+        const auto control_code = CTL_CODE(0x8000, 0x800, METHOD_BUFFERED, FILE_ANY_ACCESS);
+    }
+
+    Device::Device()
+        : libservice::Device(libservice::Device::open(device_path))
+    { }
+
+    std::wstring Device::convert_nt_path(const std::wstring& src)
+    {
+        const auto in_buf = src.c_str();
+        const auto in_buf_size = (src.size() + 1) * sizeof(wchar_t);
+
+        DWORD nbreq = get_required_output_size(
+            control_code,
+            in_buf,
+            in_buf_size);
+
+        std::vector<unsigned char> output(nbreq);
+
+        send_control_code(control_code,
+                          in_buf,
+                          in_buf_size,
+                          output.data(),
+                          nbreq);
+
+        return reinterpret_cast<wchar_t*>(output.data());
+    }
+}
diff --git a/utils/libnt_path_converter/utils/CMakeLists.txt b/utils/libnt_path_converter/utils/CMakeLists.txt
new file mode 100644
index 0000000..9915995
--- /dev/null
+++ b/utils/libnt_path_converter/utils/CMakeLists.txt
@@ -0,0 +1,2 @@
+add_executable(convert_nt_path convert_nt_path.cpp)
+target_link_libraries(convert_nt_path libnt_path_converter)
diff --git a/utils/libnt_path_converter/utils/convert_nt_path.cpp b/utils/libnt_path_converter/utils/convert_nt_path.cpp
new file mode 100644
index 0000000..d80cc5a
--- /dev/null
+++ b/utils/libnt_path_converter/utils/convert_nt_path.cpp
@@ -0,0 +1,29 @@
+/**
+ * \file
+ * \author Egor Tensin <Egor.Tensin@gmail.com>
+ * \date 2015
+ * \copyright This file is licensed under the terms of the MIT License.
+ *            See LICENSE.txt for details.
+ */
+
+#include "libnt_path_converter/all.hpp"
+
+#include <iostream>
+#include <exception>
+
+int wmain(int argc, wchar_t* argv[])
+{
+    try
+    {
+        libnt_path_converter::Device dev;
+        for (int i = 1; i < argc; ++i)
+            std::wcout << dev.convert_nt_path(argv[i]) << L"\n";
+    }
+    catch (const std::exception& e)
+    {
+        std::wcerr << e.what() << "\n";
+        return 1;
+    }
+
+    return 0;
+}