1 /*

     2  * Copyright (c) 2012, 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 // iconswap.cpp : Defines the entry point for the console application.

    27 //

    28 

    29 //Define Windows compatibility requirements

    30 //XP or later

    31 #define WINVER 0x0501

    32 #define _WIN32_WINNT 0x0501

    33 

    34 #include <tchar.h>

    35 #include <stdio.h>

    36 #include <windows.h>

    37 #include <stdlib.h>

    38 #include <iostream>

    39 #include <malloc.h>

    40 #include <sys/types.h>

    41 #include <sys/stat.h>

    42 #include <io.h>

    43 #include <strsafe.h>

    44 #include <Shellapi.h>

    45 

    46 

    47 // http://msdn.microsoft.com/en-us/library/ms997538.aspx

    48 

    49 typedef struct _ICONDIRENTRY {

    50     BYTE bWidth;

    51     BYTE bHeight;

    52     BYTE bColorCount;

    53     BYTE bReserved;

    54     WORD wPlanes;

    55     WORD wBitCount;

    56     DWORD dwBytesInRes;

    57     DWORD dwImageOffset;

    58 } ICONDIRENTRY, * LPICONDIRENTRY;

    59 

    60 typedef struct _ICONDIR {

    61     WORD idReserved;

    62     WORD idType;

    63     WORD idCount;

    64     ICONDIRENTRY idEntries[1];

    65 } ICONDIR, * LPICONDIR;

    66 

    67 // #pragmas are used here to insure that the structure's

    68 // packing in memory matches the packing of the EXE or DLL.

    69 #pragma pack(push)

    70 #pragma pack(2)

    71 typedef struct _GRPICONDIRENTRY {

    72     BYTE bWidth;

    73     BYTE bHeight;

    74     BYTE bColorCount;

    75     BYTE bReserved;

    76     WORD wPlanes;

    77     WORD wBitCount;

    78     DWORD dwBytesInRes;

    79     WORD nID;

    80 } GRPICONDIRENTRY, * LPGRPICONDIRENTRY;

    81 #pragma pack(pop)

    82 

    83 #pragma pack(push)

    84 #pragma pack(2)

    85 typedef struct _GRPICONDIR {

    86     WORD idReserved;

    87     WORD idType;

    88     WORD idCount;

    89     GRPICONDIRENTRY idEntries[1];

    90 } GRPICONDIR, * LPGRPICONDIR;

    91 #pragma pack(pop)

    92 

    93 void PrintError()

    94 {

    95     LPVOID message;

    96     DWORD error = GetLastError();

    97 

    98     FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM |

    99         FORMAT_MESSAGE_IGNORE_INSERTS, NULL, error,

   100         MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),

   101         (LPTSTR) &message, 0, NULL);

   102 

   103     wprintf(L"%s\n", (__wchar_t *) message); // VS2017 - FIXME

   104     LocalFree(message);

   105 }

   106 

   107 bool ChangeIcon(_TCHAR* iconFileName, _TCHAR* executableFileName)

   108 {

   109     bool result = false;

   110 

   111     DWORD dwData = 1;

   112     WORD language = MAKELANGID(LANG_ENGLISH, SUBLANG_DEFAULT);

   113 

   114     _TCHAR* iconExtension = wcsrchr(iconFileName, '.');

   115     if (iconExtension == NULL || wcscmp(iconExtension, L".ico") != 0) {

   116         wprintf(L"Unknown icon format - please provide .ICO file.\n");

   117         return result;

   118     }

   119 

   120     HANDLE icon = CreateFile(iconFileName, GENERIC_READ, 0, NULL,

   121             OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);

   122     if (icon == INVALID_HANDLE_VALUE) {

   123         PrintError();

   124         return result;

   125     }

   126 

   127     // Reading .ICO file

   128     WORD idReserved, idType, idCount;

   129 

   130     DWORD dwBytesRead;

   131     ReadFile(icon, &idReserved, sizeof(WORD), &dwBytesRead, NULL);

   132     ReadFile(icon, &idType, sizeof(WORD), &dwBytesRead, NULL);

   133     ReadFile(icon, &idCount, sizeof(WORD), &dwBytesRead, NULL);

   134 

   135     LPICONDIR lpid = (LPICONDIR)malloc(

   136             sizeof(ICONDIR) + (sizeof(ICONDIRENTRY) * (idCount - 1)));

   137 

   138     if (lpid == NULL) {

   139         CloseHandle(icon);

   140         wprintf(L"Unknown error.\n");

   141     }

   142 

   143     lpid->idReserved = idReserved;

   144     lpid->idType = idType;

   145     lpid->idCount = idCount;

   146 

   147     ReadFile(icon, &lpid->idEntries[0], sizeof(ICONDIRENTRY) * lpid->idCount,

   148             &dwBytesRead, NULL);

   149 

   150 

   151     LPGRPICONDIR lpgid = (LPGRPICONDIR)malloc(

   152             sizeof(GRPICONDIR) + (sizeof(GRPICONDIRENTRY) * (idCount - 1)));

   153 

   154     if (lpid == NULL) {

   155         CloseHandle(icon);

   156         free(lpid);

   157         wprintf(L"Unknown error.\n");

   158     }

   159 

   160     lpgid->idReserved = idReserved;

   161     lpgid->idType = idType;

   162     lpgid->idCount = idCount;

   163 

   164     for(int i = 0; i < lpgid->idCount; i++)

   165     {

   166         lpgid->idEntries[i].bWidth = lpid->idEntries[i].bWidth;

   167         lpgid->idEntries[i].bHeight = lpid->idEntries[i].bHeight;

   168         lpgid->idEntries[i].bColorCount = lpid->idEntries[i].bColorCount;

   169         lpgid->idEntries[i].bReserved = lpid->idEntries[i].bReserved;

   170         lpgid->idEntries[i].wPlanes = lpid->idEntries[i].wPlanes;

   171         lpgid->idEntries[i].wBitCount = lpid->idEntries[i].wBitCount;

   172         lpgid->idEntries[i].dwBytesInRes = lpid->idEntries[i].dwBytesInRes;

   173         lpgid->idEntries[i].nID = i + 1;

   174     }

   175 

   176     // Store images in .EXE

   177     HANDLE update = BeginUpdateResource( executableFileName, FALSE );

   178 

   179     if (update == NULL) {

   180         free(lpid);

   181         free(lpgid);

   182         CloseHandle(icon);

   183         PrintError();

   184         return result;

   185     }

   186 

   187     for(int i = 0; i < lpid->idCount; i++)

   188     {

   189         LPBYTE lpBuffer = (LPBYTE)malloc(lpid->idEntries[i].dwBytesInRes);

   190         SetFilePointer(icon, lpid->idEntries[i].dwImageOffset,

   191                 NULL, FILE_BEGIN);

   192         ReadFile(icon, lpBuffer, lpid->idEntries[i].dwBytesInRes,

   193                 &dwBytesRead, NULL);

   194         if (!UpdateResource(update, RT_ICON,

   195                 MAKEINTRESOURCE(lpgid->idEntries[i].nID),

   196                 language, &lpBuffer[0], lpid->idEntries[i].dwBytesInRes))

   197         {

   198             free(lpBuffer);

   199             free(lpid);

   200             free(lpgid);

   201             CloseHandle(icon);

   202             PrintError();

   203             return result;

   204         }

   205         free(lpBuffer);

   206     }

   207 

   208     free(lpid);

   209     CloseHandle(icon);

   210 

   211     if (!UpdateResource(update, RT_GROUP_ICON,

   212             MAKEINTRESOURCE(1), language, &lpgid[0],

   213             (sizeof(WORD) * 3) + (sizeof(GRPICONDIRENTRY) * lpgid->idCount)))

   214     {

   215         free(lpgid);

   216         PrintError();

   217         return result;

   218     }

   219 

   220     free(lpgid);

   221 

   222     if (EndUpdateResource(update, FALSE) == FALSE) {

   223         PrintError();

   224         return result;

   225     }

   226 

   227     result = true;

   228     return result;

   229 }