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/* Copyright (C) 2010 Wildfire Games.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
/*
* return DLL version information.
*/
#include "precompiled.h"
#include "lib/sysdep/os/win/wdll_ver.h"
#include <stdio.h>
#include <stdlib.h>
#include "lib/sysdep/os/win/win.h"
#include "lib/sysdep/os/win/wutil.h"
#include "lib/allocators/shared_ptr.h"
#if MSC_VERSION
#pragma comment(lib, "version.lib") // DLL version
#endif
//-----------------------------------------------------------------------------
static Status ReadVersionString(const OsPath& modulePathname, wchar_t* out_ver, size_t out_ver_len)
{
WinScopedPreserveLastError s; // GetFileVersion*, Ver*
// determine size of and allocate memory for version information.
DWORD unused;
const DWORD ver_size = GetFileVersionInfoSizeW(OsString(modulePathname).c_str(), &unused); // [bytes]
if(!ver_size)
{
// check if the failure is due to not finding modulePathname
// (necessary since GetFileVersionInfoSize doesn't SetLastError)
HMODULE hModule = LoadLibraryExW(OsString(modulePathname).c_str(), 0, LOAD_LIBRARY_AS_DATAFILE);
if(!hModule)
return ERR::FAIL; // NOWARN (file not found - due to FS redirection?)
FreeLibrary(hModule);
return ERR::NOT_SUPPORTED; // NOWARN (module apparently lacks version information)
}
shared_ptr<u8> mem = Allocate(ver_size);
if(!GetFileVersionInfoW(OsString(modulePathname).c_str(), 0, ver_size, mem.get()))
WARN_RETURN(ERR::_3);
u16* lang; // -> 16 bit language ID, 16 bit codepage
UINT lang_len;
const BOOL ok = VerQueryValueW(mem.get(), L"\\VarFileInfo\\Translation", (void**)&lang, &lang_len);
if(!ok || !lang || lang_len != 4)
WARN_RETURN(ERR::_4);
wchar_t subblock[64];
swprintf_s(subblock, ARRAY_SIZE(subblock), L"\\StringFileInfo\\%04X%04X\\FileVersion", lang[0], lang[1]);
const wchar_t* in_ver;
UINT in_ver_len;
if(!VerQueryValueW(mem.get(), subblock, (void**)&in_ver, &in_ver_len))
WARN_RETURN(ERR::_5);
wcscpy_s(out_ver, out_ver_len, in_ver);
return INFO::OK;
}
void wdll_ver_Append(const OsPath& pathname, VersionList& list)
{
if(pathname.empty())
return; // avoid error in ReadVersionString
// pathname may not have an extension (e.g. driver names from the
// registry). note that always appending ".dll" would be incorrect
// since some have ".sys" extension.
OsPath modulePathname(pathname);
if(modulePathname.Extension() == "")
modulePathname = modulePathname.ChangeExtension(L".dll");
const OsPath moduleName(modulePathname.Filename());
// read file version. try this with and without FS redirection since
// pathname might assume both.
wchar_t versionString[500]; // enclosed in () below
if(ReadVersionString(modulePathname, versionString, ARRAY_SIZE(versionString)) != INFO::OK)
{
WinScopedDisableWow64Redirection s;
// still failed; avoid polluting list with DLLs that don't exist
// (requiring callers to check for their existence beforehand would be
// onerous and unreliable)
if(ReadVersionString(modulePathname, versionString, ARRAY_SIZE(versionString)) != INFO::OK)
return;
}
if(!list.empty())
list += L", ";
list += moduleName.Filename().string();
list += L" (";
list += versionString;
list += L")";
}
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