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, wstring launcher) {
  56     m_executableProperties = executableProperties;
  57     m_launcher = launcher;
  58 }
  59 
  60 bool VersionInfoSwap::PatchExecutable() {
  61     bool b = LoadFromPropertyFile();
  62     if (!b) {
  63         return false;
  64     }
  65 
  66     ByteBuffer buf;
  67     b = CreateNewResource(&buf);
  68     if (!b) {
  69         return false;
  70     }
  71 
  72     b = this->UpdateResource(buf.getPtr(), static_cast<DWORD> (buf.getPos()));
  73     if (!b) {
  74         return false;
  75     }
  76 
  77     return true;
  78 }
  79 
  80 bool VersionInfoSwap::LoadFromPropertyFile() {
  81     wifstream stream(m_executableProperties.c_str());
  82 
  83     const locale empty_locale = locale::empty();
  84     const locale utf8_locale =
  85             locale(empty_locale, new codecvt_utf8<wchar_t>());
  86     stream.imbue(utf8_locale);
  87 
  88     if (stream.is_open() == true) {
  89         int lineNumber = 1;
  90         while (stream.eof() == false) {
  91             wstring line;
  92             getline(stream, line);
  93 
  94             // # at the first character will comment out the line.
  95             if (line.empty() == false && line[0] != '#') {
  96                 wstring::size_type pos = line.find('=');
  97                 if (pos != wstring::npos) {
  98                     wstring name = line.substr(0, pos);
  99                     wstring value = line.substr(pos + 1);
 100                     m_props[name] = value;
 101                 }
 102             }
 103             lineNumber++;
 104         }
 105         return true;
 106     }
 107 
 108     return false;
 109 }
 110 
 111 /*
 112  * Creates new version resource
 113  *
 114  * MSND docs for VS_VERSION_INFO structure
 115  *     https://msdn.microsoft.com/en-us/library/ms647001(v=vs.85).aspx
 116  */
 117 bool VersionInfoSwap::CreateNewResource(ByteBuffer *buf) {
 118     size_t versionInfoStart = buf->getPos();
 119     buf->AppendWORD(0);
 120     buf->AppendWORD(sizeof VS_FIXEDFILEINFO);
 121     buf->AppendWORD(0);
 122     buf->AppendString(TEXT("VS_VERSION_INFO"));
 123     buf->Align(4);
 124 
 125     VS_FIXEDFILEINFO fxi;
 126     if (!FillFixedFileInfo(&fxi)) {
 127         return false;
 128     }
 129     buf->AppendBytes((BYTE*) & fxi, sizeof (VS_FIXEDFILEINFO));
 130     buf->Align(4);
 131 
 132     // String File Info
 133     size_t stringFileInfoStart = buf->getPos();
 134     buf->AppendWORD(0);
 135     buf->AppendWORD(0);
 136     buf->AppendWORD(1);
 137     buf->AppendString(TEXT("StringFileInfo"));
 138     buf->Align(4);
 139 
 140     // String Table
 141     size_t stringTableStart = buf->getPos();
 142     buf->AppendWORD(0);
 143     buf->AppendWORD(0);
 144     buf->AppendWORD(1);
 145 
 146     // "040904B0" = LANG_ENGLISH/SUBLANG_ENGLISH_US, Unicode CP
 147     buf->AppendString(TEXT("040904B0"));
 148     buf->Align(4);
 149 
 150     // Strings
 151     vector<wstring> keys;
 152     for (map<wstring, wstring>::const_iterator it =
 153             m_props.begin(); it != m_props.end(); ++it) {
 154         keys.push_back(it->first);
 155     }
 156 
 157     for (size_t index = 0; index < keys.size(); index++) {
 158         wstring name = keys[index];
 159         wstring value = m_props[name];
 160 
 161         size_t stringStart = buf->getPos();
 162         buf->AppendWORD(0);
 163         buf->AppendWORD(static_cast<WORD> (value.length()));
 164         buf->AppendWORD(1);
 165         buf->AppendString(name);
 166         buf->Align(4);
 167         buf->AppendString(value);
 168         buf->ReplaceWORD(stringStart,
 169                 static_cast<WORD> (buf->getPos() - stringStart));
 170         buf->Align(4);
 171     }
 172 
 173     buf->ReplaceWORD(stringTableStart,
 174             static_cast<WORD> (buf->getPos() - stringTableStart));
 175     buf->ReplaceWORD(stringFileInfoStart,
 176             static_cast<WORD> (buf->getPos() - stringFileInfoStart));
 177 
 178     // VarFileInfo
 179     size_t varFileInfoStart = buf->getPos();
 180     buf->AppendWORD(1);
 181     buf->AppendWORD(0);
 182     buf->AppendWORD(1);
 183     buf->AppendString(TEXT("VarFileInfo"));
 184     buf->Align(4);
 185 
 186     buf->AppendWORD(0x24);
 187     buf->AppendWORD(0x04);
 188     buf->AppendWORD(0x00);
 189     buf->AppendString(TEXT("Translation"));
 190     buf->Align(4);
 191     // "000004B0" = LANG_NEUTRAL/SUBLANG_ENGLISH_US, Unicode CP
 192     buf->AppendWORD(0x0000);
 193     buf->AppendWORD(0x04B0);
 194 
 195     buf->ReplaceWORD(varFileInfoStart,
 196             static_cast<WORD> (buf->getPos() - varFileInfoStart));
 197     buf->ReplaceWORD(versionInfoStart,
 198             static_cast<WORD> (buf->getPos() - versionInfoStart));
 199 
 200     return true;
 201 }
 202 
 203 bool VersionInfoSwap::FillFixedFileInfo(VS_FIXEDFILEINFO *fxi) {
 204     wstring fileVersion;
 205     wstring productVersion;
 206     int ret;
 207 
 208     fileVersion = m_props[TEXT("FileVersion")];
 209     productVersion = m_props[TEXT("ProductVersion")];
 210 
 211     unsigned fv_1 = 0, fv_2 = 0, fv_3 = 0, fv_4 = 0;
 212     unsigned pv_1 = 0, pv_2 = 0, pv_3 = 0, pv_4 = 0;
 213 
 214     ret = _stscanf_s(fileVersion.c_str(),
 215             TEXT("%d.%d.%d.%d"), &fv_1, &fv_2, &fv_3, &fv_4);
 216     if (ret <= 0 || ret > 4) {
 217         return false;
 218     }
 219 
 220     ret = _stscanf_s(productVersion.c_str(),
 221             TEXT("%d.%d.%d.%d"), &pv_1, &pv_2, &pv_3, &pv_4);
 222     if (ret <= 0 || ret > 4) {
 223         return false;
 224     }
 225 
 226     fxi->dwSignature = 0xFEEF04BD;
 227     fxi->dwStrucVersion = 0x00010000;
 228 
 229     fxi->dwFileVersionMS = MAKELONG(fv_2, fv_1);
 230     fxi->dwFileVersionLS = MAKELONG(fv_4, fv_3);
 231     fxi->dwProductVersionMS = MAKELONG(pv_2, pv_1);
 232     fxi->dwProductVersionLS = MAKELONG(pv_4, pv_3);
 233 
 234     fxi->dwFileFlagsMask = 0;
 235     fxi->dwFileFlags = 0;
 236     fxi->dwFileOS = VOS_NT_WINDOWS32;
 237 
 238     wstring exeExt =
 239             m_launcher.substr(m_launcher.find_last_of(TEXT(".")));
 240     if (exeExt == TEXT(".exe")) {
 241         fxi->dwFileType = VFT_APP;
 242     } else if (exeExt == TEXT(".dll")) {
 243         fxi->dwFileType = VFT_DLL;
 244     } else {
 245         fxi->dwFileType = VFT_UNKNOWN;
 246     }
 247     fxi->dwFileSubtype = 0;
 248 
 249     fxi->dwFileDateLS = 0;
 250     fxi->dwFileDateMS = 0;
 251 
 252     return true;
 253 }
 254 
 255 /*
 256  * Adds new resource in the executable
 257  */
 258 bool VersionInfoSwap::UpdateResource(LPVOID lpResLock, DWORD size) {
 259 
 260     HANDLE hUpdateRes;
 261     BOOL r;
 262 
 263     hUpdateRes = ::BeginUpdateResource(m_launcher.c_str(), FALSE);
 264     if (hUpdateRes == NULL) {
 265         return false;
 266     }
 267 
 268     r = ::UpdateResource(hUpdateRes,
 269             RT_VERSION,
 270             MAKEINTRESOURCE(VS_VERSION_INFO),
 271             MAKELANGID(LANG_NEUTRAL, SUBLANG_NEUTRAL),
 272             lpResLock,
 273             size);
 274 
 275     if (!r) {
 276         return false;
 277     }
 278 
 279     if (!::EndUpdateResource(hUpdateRes, FALSE)) {
 280         return false;
 281     }
 282 
 283     return true;
 284 }