1 /*
   2  * Copyright (c) 2015, 2019, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 #include "VersionInfoSwap.h"
  27 
  28 #include <stdio.h>
  29 #include <tchar.h>
  30 
  31 #include <windows.h>
  32 #include <stdio.h>
  33 #include <Strsafe.h>
  34 #include <fstream>
  35 #include <locale>
  36 #include <codecvt>
  37 
  38 using namespace std;
  39 
  40 /*
  41  * [Property file] contains key/value pairs
  42  * The swap tool uses these pairs to create new version resource
  43  *
  44  * See MSDN docs for VS_VERSIONINFO structure that
  45  * depicts organization of data in this version resource
  46  *    https://msdn.microsoft.com/en-us/library/ms647001(v=vs.85).aspx
  47  *
  48  * The swap tool makes changes in [Executable file]
  49  * The tool assumes that the executable file has no version resource
  50  * and it adds new resource in the executable file.
  51  * If the executable file has an existing version resource, then
  52  * the existing version resource will be replaced with new one.
  53  */
  54 
  55 VersionInfoSwap::VersionInfoSwap(wstring executableProperties,
  56         wstring launcher) {
  57     m_executableProperties = executableProperties;
  58     m_launcher = launcher;
  59 }
  60 
  61 bool VersionInfoSwap::PatchExecutable() {
  62     bool b = LoadFromPropertyFile();
  63     if (!b) {
  64         return false;
  65     }
  66 
  67     ByteBuffer buf;
  68     b = CreateNewResource(&buf);
  69     if (!b) {
  70         return false;
  71     }
  72 
  73     b = this->UpdateResource(buf.getPtr(), static_cast<DWORD> (buf.getPos()));
  74     if (!b) {
  75         return false;
  76     }
  77 
  78     return true;
  79 }
  80 
  81 bool VersionInfoSwap::LoadFromPropertyFile() {
  82     wifstream stream(m_executableProperties.c_str());
  83 
  84     const locale empty_locale = locale::empty();
  85     const locale utf8_locale =
  86             locale(empty_locale, new codecvt_utf8<wchar_t>());
  87     stream.imbue(utf8_locale);
  88 
  89     if (stream.is_open() == true) {
  90         int lineNumber = 1;
  91         while (stream.eof() == false) {
  92             wstring line;
  93             getline(stream, line);
  94 
  95             // # at the first character will comment out the line.
  96             if (line.empty() == false && line[0] != '#') {
  97                 wstring::size_type pos = line.find('=');
  98                 if (pos != wstring::npos) {
  99                     wstring name = line.substr(0, pos);
 100                     wstring value = line.substr(pos + 1);
 101                     m_props[name] = value;
 102                 }
 103             }
 104             lineNumber++;
 105         }
 106         return true;
 107     }
 108 
 109     return false;
 110 }
 111 
 112 /*
 113  * Creates new version resource
 114  *
 115  * MSND docs for VS_VERSION_INFO structure
 116  *     https://msdn.microsoft.com/en-us/library/ms647001(v=vs.85).aspx
 117  */
 118 bool VersionInfoSwap::CreateNewResource(ByteBuffer *buf) {
 119     size_t versionInfoStart = buf->getPos();
 120     buf->AppendWORD(0);
 121     buf->AppendWORD(sizeof VS_FIXEDFILEINFO);
 122     buf->AppendWORD(0);
 123     buf->AppendString(TEXT("VS_VERSION_INFO"));
 124     buf->Align(4);
 125 
 126     VS_FIXEDFILEINFO fxi;
 127     if (!FillFixedFileInfo(&fxi)) {
 128         return false;
 129     }
 130     buf->AppendBytes((BYTE*) & fxi, sizeof (VS_FIXEDFILEINFO));
 131     buf->Align(4);
 132 
 133     // String File Info
 134     size_t stringFileInfoStart = buf->getPos();
 135     buf->AppendWORD(0);
 136     buf->AppendWORD(0);
 137     buf->AppendWORD(1);
 138     buf->AppendString(TEXT("StringFileInfo"));
 139     buf->Align(4);
 140 
 141     // String Table
 142     size_t stringTableStart = buf->getPos();
 143     buf->AppendWORD(0);
 144     buf->AppendWORD(0);
 145     buf->AppendWORD(1);
 146 
 147     // "040904B0" = LANG_ENGLISH/SUBLANG_ENGLISH_US, Unicode CP
 148     buf->AppendString(TEXT("040904B0"));
 149     buf->Align(4);
 150 
 151     // Strings
 152     vector<wstring> keys;
 153     for (map<wstring, wstring>::const_iterator it =
 154             m_props.begin(); it != m_props.end(); ++it) {
 155         keys.push_back(it->first);
 156     }
 157 
 158     for (size_t index = 0; index < keys.size(); index++) {
 159         wstring name = keys[index];
 160         wstring value = m_props[name];
 161 
 162         size_t stringStart = buf->getPos();
 163         buf->AppendWORD(0);
 164         buf->AppendWORD(static_cast<WORD> (value.length()));
 165         buf->AppendWORD(1);
 166         buf->AppendString(name);
 167         buf->Align(4);
 168         buf->AppendString(value);
 169         buf->ReplaceWORD(stringStart,
 170                 static_cast<WORD> (buf->getPos() - stringStart));
 171         buf->Align(4);
 172     }
 173 
 174     buf->ReplaceWORD(stringTableStart,
 175             static_cast<WORD> (buf->getPos() - stringTableStart));
 176     buf->ReplaceWORD(stringFileInfoStart,
 177             static_cast<WORD> (buf->getPos() - stringFileInfoStart));
 178 
 179     // VarFileInfo
 180     size_t varFileInfoStart = buf->getPos();
 181     buf->AppendWORD(1);
 182     buf->AppendWORD(0);
 183     buf->AppendWORD(1);
 184     buf->AppendString(TEXT("VarFileInfo"));
 185     buf->Align(4);
 186 
 187     buf->AppendWORD(0x24);
 188     buf->AppendWORD(0x04);
 189     buf->AppendWORD(0x00);
 190     buf->AppendString(TEXT("Translation"));
 191     buf->Align(4);
 192     // "000004B0" = LANG_NEUTRAL/SUBLANG_ENGLISH_US, Unicode CP
 193     buf->AppendWORD(0x0000);
 194     buf->AppendWORD(0x04B0);
 195 
 196     buf->ReplaceWORD(varFileInfoStart,
 197             static_cast<WORD> (buf->getPos() - varFileInfoStart));
 198     buf->ReplaceWORD(versionInfoStart,
 199             static_cast<WORD> (buf->getPos() - versionInfoStart));
 200 
 201     return true;
 202 }
 203 
 204 bool VersionInfoSwap::FillFixedFileInfo(VS_FIXEDFILEINFO *fxi) {
 205     wstring fileVersion;
 206     wstring productVersion;
 207     int ret;
 208 
 209     fileVersion = m_props[TEXT("FileVersion")];
 210     productVersion = m_props[TEXT("ProductVersion")];
 211 
 212     unsigned fv_1 = 0, fv_2 = 0, fv_3 = 0, fv_4 = 0;
 213     unsigned pv_1 = 0, pv_2 = 0, pv_3 = 0, pv_4 = 0;
 214 
 215     ret = _stscanf_s(fileVersion.c_str(),
 216             TEXT("%d.%d.%d.%d"), &fv_1, &fv_2, &fv_3, &fv_4);
 217     if (ret <= 0 || ret > 4) {
 218         return false;
 219     }
 220 
 221     ret = _stscanf_s(productVersion.c_str(),
 222             TEXT("%d.%d.%d.%d"), &pv_1, &pv_2, &pv_3, &pv_4);
 223     if (ret <= 0 || ret > 4) {
 224         return false;
 225     }
 226 
 227     fxi->dwSignature = 0xFEEF04BD;
 228     fxi->dwStrucVersion = 0x00010000;
 229 
 230     fxi->dwFileVersionMS = MAKELONG(fv_2, fv_1);
 231     fxi->dwFileVersionLS = MAKELONG(fv_4, fv_3);
 232     fxi->dwProductVersionMS = MAKELONG(pv_2, pv_1);
 233     fxi->dwProductVersionLS = MAKELONG(pv_4, pv_3);
 234 
 235     fxi->dwFileFlagsMask = 0;
 236     fxi->dwFileFlags = 0;
 237     fxi->dwFileOS = VOS_NT_WINDOWS32;
 238 
 239     wstring exeExt =
 240             m_launcher.substr(m_launcher.find_last_of(TEXT(".")));
 241     if (exeExt == TEXT(".exe")) {
 242         fxi->dwFileType = VFT_APP;
 243     } else if (exeExt == TEXT(".dll")) {
 244         fxi->dwFileType = VFT_DLL;
 245     } else {
 246         fxi->dwFileType = VFT_UNKNOWN;
 247     }
 248     fxi->dwFileSubtype = 0;
 249 
 250     fxi->dwFileDateLS = 0;
 251     fxi->dwFileDateMS = 0;
 252 
 253     return true;
 254 }
 255 
 256 /*
 257  * Adds new resource in the executable
 258  */
 259 bool VersionInfoSwap::UpdateResource(LPVOID lpResLock, DWORD size) {
 260 
 261     HANDLE hUpdateRes;
 262     BOOL r;
 263 
 264     hUpdateRes = ::BeginUpdateResource(m_launcher.c_str(), FALSE);
 265     if (hUpdateRes == NULL) {
 266         return false;
 267     }
 268 
 269     r = ::UpdateResource(hUpdateRes,
 270             RT_VERSION,
 271             MAKEINTRESOURCE(VS_VERSION_INFO),
 272             MAKELANGID(LANG_NEUTRAL, SUBLANG_NEUTRAL),
 273             lpResLock,
 274             size);
 275 
 276     if (!r) {
 277         return false;
 278     }
 279 
 280     if (!::EndUpdateResource(hUpdateRes, FALSE)) {
 281         return false;
 282     }
 283 
 284     return true;
 285 }