Windows NT 4.0 source code leak
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/****************************************************************************/
/* */
/* EXTRACT.C - */
/* */
/* Icon Extraction Routines */
/* */
/****************************************************************************/
#include "shellprv.h"
#pragma hdrstop
/****************************************************************************
****************************************************************************/
#define ICON_MAGIC 0
#define ICO_MAGIC1 1
#define CUR_MAGIC1 2
#define BMP_MAGIC ((WORD)'B'+((WORD)'M'<<8))
#define ANI_MAGIC ((WORD)'R'+((WORD)'I'<<8))
#define ANI_MAGIC1 ((WORD)'F'+((WORD)'F'<<8))
#define ANI_MAGIC4 ((WORD)'A'+((WORD)'C'<<8))
#define ANI_MAGIC5 ((WORD)'O'+((WORD)'N'<<8))
#define MZMAGIC ((WORD)'M'+((WORD)'Z'<<8))
#define PEMAGIC ((WORD)'P'+((WORD)'E'<<8))
#define LEMAGIC ((WORD)'L'+((WORD)'E'<<8))
// #define NEMAGIC ((WORD)'N'+((WORD)'E'<<8)) // defined in newexe.h
typedef struct new_exe NEWEXE, *LPNEWEXE;
typedef struct exe_hdr EXEHDR, *LPEXEHDR;
typedef struct rsrc_nameinfo RESNAMEINFO, *LPRESNAMEINFO;
typedef struct rsrc_typeinfo RESTYPEINFO, *LPRESTYPEINFO;
typedef struct new_rsrc RESTABLE, *LPRESTABLE;
#define RESOURCE_VA(x) ((x)->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_RESOURCE].VirtualAddress)
#define RESOURCE_SIZE(x) ((x)->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_RESOURCE].Size)
#define NUMBER_OF_SECTIONS(x) ((x)->FileHeader.NumberOfSections)
#define FCC(c0,c1,c2,c3) ((DWORD)(c0)|((DWORD)(c1)<<8)|((DWORD)(c2)<<16)|((DWORD)(c3)<<24))
#define COM_FILE FCC('.', 'c', 'o', 'm')
#define BAT_FILE FCC('.', 'b', 'a', 't')
#define CMD_FILE FCC('.', 'c', 'm', 'd')
#define PIF_FILE FCC('.', 'p', 'i', 'f')
#define LNK_FILE FCC('.', 'l', 'n', 'k')
#define ICO_FILE FCC('.', 'i', 'c', 'o')
#define EXE_FILE FCC('.', 'e', 'x', 'e')
#define WIN32VER30 0x00030000 // for CreateIconFromResource()
#define GET_COUNT 424242
/****************************************************************************
****************************************************************************/
#ifndef WINNT
UINT ExtractIconFromICO (LPTSTR szFile, int nIconIndex, int cxIcon, int cyIcon, HICON *phicon, UINT nIcons, UINT flags);
UINT ExtractIconFromBMP (LPTSTR szFile, int nIconIndex, int cxIcon, int cyIcon, HICON *phicon, UINT nIcons, UINT flags);
UINT ExtractIconFromEXE (HANDLE hFile, int nIconIndex, int cxIcon, int cyIcon, HICON *phicon, UINT *piconid, UINT nIcons, UINT flags);
LPVOID GetResourceTablePE(LPVOID pBase);
LPVOID FindResourcePE(LPVOID pBase, LPVOID prt, int iResIndex, int ResType, DWORD *pcb);
LPVOID GetResourceTableNE(LPVOID pBase);
LPVOID FindResourceNE(LPVOID pBase, LPVOID prt, int iResIndex, int ResType, DWORD *pcb);
DWORD HasExtension(LPCTSTR lpszPath);
#endif
/****************************************************************************
* ExtractIcon PUBLIC WIN30
*
* extract a single icon from a exe file, or get the count.
*
* If nIconIndex != -1
* Returns:
* The handle of the icon, if successful.
* 0, if the file does not exist or an icon with the "nIconIndex"
* does not exist.
* 1, if the given file is not an EXE or ICO file.
*
* If nIconIndex == -1
* Returns:
* The number of icons in the file if successful.
* 0, if the file has no icons or isn't an icon file.
*
****************************************************************************/
HICON WINAPI ExtractIcon(HINSTANCE hInst, LPCTSTR szFileName, UINT nIconIndex)
{
HICON hIcon;
if (nIconIndex == (UINT) -1)
hIcon = (HICON)ExtractIcons(szFileName, 0, 0, 0, NULL, NULL, 0, 0);
else
ExtractIcons(szFileName, nIconIndex, GetSystemMetrics(SM_CXICON), GetSystemMetrics(SM_CYICON), &hIcon, NULL, 1, 0);
return hIcon;
}
#ifndef WINNT
/****************************************************************************
* InternalExtractIcon PRIVATE WIN30
*
* returns a list of icons.
*
* in:
* hInst Instance handle.
* lpszExeFileName File to read from.
* nIconIndex Index to first icon.
* nIcons The number of icons to read.
*
* returns:
* handle to arrary of hicons
*
* note(s) noone calls this, so we just fail it.
*
****************************************************************************/
HGLOBAL WINAPI InternalExtractIcon(HINSTANCE hInst, LPCTSTR lpszExeFileName, UINT nIconIndex, UINT nIcons)
{
return NULL;
}
#endif
/****************************************************************************
*
* ExtractAssociatedIcon PRIVATE WIN30
*
* in:
* lpIconPath path of thing to extract icon for (may be an exe
* or something that is associated)
* lpiIcon icon index to use
*
* lpIconPath filled in with the real path where the icon came from
* lpiIcon filled in with the real icon index
*
* returns:
*
* note: if the caller is the shell it returns special icons
* from within the shell.dll
*
****************************************************************************/
HICON WINAPI ExtractAssociatedIcon(HINSTANCE hInst, LPTSTR lpIconPath, WORD *lpiIcon)
{
HICON hIcon;
DebugMsg(DM_TRACE, TEXT("ExtractAssociatedIcon(\"%s\")"), lpIconPath);
hIcon = ExtractIcon(hInst, lpIconPath, *lpiIcon);
if (hIcon == NULL)
hIcon = SHGetFileIcon(NULL, lpIconPath, 0, SHGFI_LARGEICON);
if (hIcon == NULL)
{
*lpiIcon = IDI_DOCUMENT;
GetModuleFileName(HINST_THISDLL, lpIconPath, 128);
hIcon = LoadIcon(HINST_THISDLL, MAKEINTRESOURCE(*lpiIcon));
}
return hIcon;
}
/****************************************************************************
*
* ExtractIconEx - extracts 1 or more icons from a file.
*
* input:
* szFileName - EXE/DLL/ICO file to extract from
* nIconIndex - what icon to extract
* 0 = first icon, 1=second icon, etc.
* -N = icon with id==N
* phiconLarge - place to return extracted icon(s)
* phiconSmall - place to return extracted icon(s) (small size)
* nIcons - number of icons to extract.
*
* returns:
* number of icons extracted, or the count of icons if phiconLarge==NULL
*
* notes:
* handles extraction from PE (Win32), NE (Win16), and ICO (Icon) files.
* only Win16 3.x files are supported (not 2.x)
*
****************************************************************************/
#ifdef WINNT
UINT WINAPI ExtractIconExW(LPCWSTR szFileName, int nIconIndex, HICON *phiconLarge, HICON *phiconSmall, UINT nIcons)
{
return PrivateExtractIconExW( szFileName, nIconIndex, phiconLarge, phiconSmall, nIcons );
}
UINT WINAPI ExtractIconExA(LPCSTR szFileName, int nIconIndex, HICON *phiconLarge, HICON *phiconSmall, UINT nIcons)
{
return PrivateExtractIconExA( szFileName, nIconIndex, phiconLarge, phiconSmall, nIcons );
}
#else
UINT WINAPI ExtractIconEx(LPCTSTR szFileName, int nIconIndex, HICON *phiconLarge, HICON *phiconSmall, UINT nIcons)
{
UINT result;
if (nIconIndex == -1 || (phiconLarge == NULL && phiconSmall == NULL))
return ExtractIcons(szFileName, 0, 0, 0, NULL, NULL, 0, 0);
if (phiconLarge && phiconSmall && nIcons == 1)
{
HICON ahicon[2];
ahicon[0]=NULL;
ahicon[1]=NULL;
result = ExtractIcons(szFileName, nIconIndex,
MAKELONG(GetSystemMetrics(SM_CXICON),GetSystemMetrics(SM_CXSMICON)),
MAKELONG(GetSystemMetrics(SM_CYICON),GetSystemMetrics(SM_CYSMICON)),
ahicon, NULL, 2, 0);
*phiconLarge = ahicon[0];
*phiconSmall = ahicon[1];
}
else
{
if (phiconLarge)
result = ExtractIcons(szFileName, nIconIndex, GetSystemMetrics(SM_CXICON),GetSystemMetrics(SM_CYICON), phiconLarge, NULL, nIcons, 0);
if (phiconSmall)
result = ExtractIcons(szFileName, nIconIndex, GetSystemMetrics(SM_CXSMICON),GetSystemMetrics(SM_CYSMICON), phiconSmall, NULL, nIcons, 0);
}
return result;
}
#endif
/****************************************************************************
*
* ExtractIcons - extracts 1 or more icons from a file.
*
* input:
* szFileName - EXE/DLL/ICO/CUR/ANI file to extract from
* nIconIndex - what icon to extract
* 0 = first icon, 1=second icon, etc.
* -N = icon with id==N
* cxIcon - icon size wanted (if HIWORD != 0 two sizes...)
* cyIcon - icon size wanted (if HIWORD != 0 two sizes...)
* 0,0 means extract at natural size.
* phicon - place to return extracted icon(s)
* nIcons - number of icons to extract.
* flags - LoadImage LR_* flags
*
* returns:
* if picon is NULL, number of icons in the file is returned.
*
* notes:
* handles extraction from PE (Win32), NE (Win16), ICO (Icon),
* CUR (Cursor), ANI (Animated Cursor), and BMP (Bitmap) files.
* only Win16 3.x files are supported (not 2.x)
*
* cx/cyIcon are the size of the icon to extract, two sizes
* can be extracted by putting size 1 in the loword and size 2 in the
* hiword, ie MAKELONG(24, 48) would extract 24 and 48 size icons.
* yea this is a stupid hack it is done so IExtractIcon::Extract
* can be called by outside people with custom large/small icon
* sizes that are not what the shell uses internaly.
*
****************************************************************************/
#ifdef WINNT
UINT WINAPI ExtractIcons(LPCTSTR szFileName, int nIconIndex, int cxIcon, int cyIcon, HICON *phicon, UINT *piconid, UINT nIcons, UINT flags)
{
#ifdef UNICODE
return PrivateExtractIconsW( szFileName, nIconIndex, cxIcon, cyIcon, phicon, piconid, nIcons, flags );
#else
return PrivateExtractIconsA( szFileName, nIconIndex, cxIcon, cyIcon, phicon, piconid, nIcons, flags );
#endif
}
#else
UINT WINAPI ExtractIcons(LPCTSTR szFileName, int nIconIndex, int cxIcon, int cyIcon, HICON *phicon, UINT *piconid, UINT nIcons, UINT flags)
{
HANDLE hFile=INVALID_HANDLE_VALUE;
UINT result=0;
WORD magic[6];
TCHAR achFileName[MAX_PATH];
FILETIME ftAccess;
TCHAR szExpFileName[MAX_PATH];
TIMEVAR(x);
TIMEIN(x);
TIMESTART(x);
//
// set failure defaults.
//
if (phicon)
*phicon = NULL;
//
// check for special extensions, and fail quick
//
switch (HasExtension(szFileName))
{
case COM_FILE:
case BAT_FILE:
#ifdef WINNT
case CMD_FILE:
#endif
case PIF_FILE:
case LNK_FILE:
goto exit;
default:
break;
}
//
// try expanding environment variables in the file name we're passed.
//
ExpandEnvironmentStrings( szFileName, szExpFileName, MAX_PATH );
szExpFileName[ MAX_PATH-1 ] = (TCHAR)0;
//
// open the file - First check to see if it is a UNC path. If it
// is make sure that we have access to the path...
//
if (PathIsUNC(szExpFileName))
{
lstrcpyn(achFileName, szExpFileName, ARRAYSIZE(achFileName)); // BUGBUG sizeof
if (!SHValidateUNC(NULL, achFileName, VALIDATEUNC_NOUI))
goto error_file;
// We don't need to search the path if we know this is a UNC name
}
else
{
if (SearchPath(NULL, szExpFileName, NULL, ARRAYSIZE(achFileName),
achFileName, NULL) == 0)
{
// There was an error...
DWORD dwError = GetLastError();
DebugMsg(DM_TRACE, TEXT("ExtractIcon:SearchPath Fail(\"%s\") ==> %d"),
szExpFileName, result);
goto error_file;
}
}
// BUGBUGBC Is FILE_WRITE_ATTRIBUTES really valid for CreateFile?
hFile = CreateFile(achFileName, GENERIC_READ|FILE_WRITE_ATTRIBUTES, FILE_SHARE_WRITE | FILE_SHARE_READ, NULL,
OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
if (hFile == INVALID_HANDLE_VALUE)
{
hFile = CreateFile(achFileName, GENERIC_READ, FILE_SHARE_READ, NULL,
OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
if (hFile == INVALID_HANDLE_VALUE)
goto error_file;
}
else
{
// Restore the Access Date
if (GetFileTime(hFile, NULL, &ftAccess, NULL))
SetFileTime(hFile, NULL, &ftAccess, NULL);
}
if (_lread((HFILE)hFile, &magic, SIZEOF(magic)) != SIZEOF(magic))
goto exit;
if (piconid)
*piconid = (UINT)-1; // Fill in "don't know" value
switch (magic[0])
{
case MZMAGIC:
result = ExtractIconFromEXE(hFile, nIconIndex, cxIcon, cyIcon, phicon, piconid, nIcons, flags);
break;
case ANI_MAGIC: // possible .ani cursor
//
// ani cursors are easy they are RIFF files of type 'ACON'
//
if (magic[1] == ANI_MAGIC1 && magic[4] == ANI_MAGIC4 &&
magic[5] == ANI_MAGIC5)
result = ExtractIconFromICO(achFileName, nIconIndex, cxIcon, cyIcon, phicon, nIcons, flags);
break;
case BMP_MAGIC: // possible bitmap
result = ExtractIconFromBMP(achFileName, nIconIndex, cxIcon, cyIcon, phicon, nIcons, flags);
break;
case ICON_MAGIC: // possible .ico or .cur
//
// icons and cursors look like this
//
// iReserved - always zero
// iResourceType - 1 for icons 2 cor cursor.
// cresIcons - number of resolutions in this file
//
// we only allow 1 <= cresIcons <= 10
//
if ((magic[1] == ICO_MAGIC1 || magic[1] == CUR_MAGIC1) &&
magic[2] >= 1 && magic[2] <= 10)
result = ExtractIconFromICO(achFileName, nIconIndex, cxIcon, cyIcon, phicon, nIcons, flags);
break;
}
exit:
#ifdef YOUR_PRIVATE_DEBUG_FLAG
TIMESTOP(x);
DebugMsg(DM_TRACE, TEXT("ExtractIcon(\"%s\", %d) ==> %d (%ld.%03ld sec)"), szExpFileName, nIconIndex, result,TIMEFMT(xT));
#endif
if (hFile!=INVALID_HANDLE_VALUE)
CloseHandle(hFile);
return result;
//
// if we cant open the file, return a code saying we cant open the file
// if phicon==NULL return the count of icons in the file 0
//
error_file:
if (phicon)
result = (UINT)-1;
else
result = 0;
goto exit;
}
/****************************************************************************
***************************************************************************/
UINT ExtractIconFromICO(LPTSTR szFile, int nIconIndex, int cxIcon, int cyIcon, HICON *phicon, UINT nIcons, UINT flags)
{
HICON hicon;
if (nIconIndex >= 1)
return 0;
flags |= LR_LOADFROMFILE;
again:
hicon = LoadImage(HINST_THISDLL, szFile, IMAGE_ICON,
LOWORD(cxIcon), LOWORD(cyIcon), flags);
if (hicon == NULL)
return 0;
// do we just want a count?
if (phicon == NULL)
DestroyIcon(hicon);
else
*phicon = hicon;
//
// check for large/small icon extract
//
if (HIWORD(cxIcon))
{
cxIcon = HIWORD(cxIcon);
cyIcon = HIWORD(cyIcon);
phicon++;
goto again;
}
return 1;
}
/****************************************************************************
***************************************************************************/
UINT ExtractIconFromBMP(LPTSTR szFile, int nIconIndex, int cxIcon, int cyIcon, HICON *phicon, UINT nIcons, UINT flags)
{
HICON hicon;
HBITMAP hbm;
HBITMAP hbmMask;
HDC hdc;
HDC hdcMask;
ICONINFO ii;
if (nIconIndex >= 1)
return 0;
// BOGUS: dont use LR_CREATEDIBSECTION; USER can't make an icon out of a DS
flags |= LR_LOADFROMFILE;
again:
hbm = (HBITMAP)LoadImage(HINST_THISDLL, szFile, IMAGE_BITMAP,
LOWORD(cxIcon), LOWORD(cyIcon), flags);
if (hbm == NULL)
return 0;
// do we just want a count?
if (phicon == NULL)
{
DeleteObject(hbm);
return 1;
}
hbmMask = CreateBitmap(LOWORD(cxIcon), LOWORD(cyIcon), 1, 1, NULL);
hdc = CreateCompatibleDC(NULL);
SelectObject(hdc, hbm);
hdcMask = CreateCompatibleDC(NULL);
SelectObject(hdcMask, hbmMask);
SetBkColor(hdc, GetPixel(hdc, 0, 0));
#define ROP_DSna 0x00220326
BitBlt(hdcMask, 0, 0, LOWORD(cxIcon), LOWORD(cyIcon), hdc, 0, 0, SRCCOPY);
BitBlt(hdc, 0, 0, LOWORD(cxIcon), LOWORD(cyIcon), hdcMask, 0, 0, ROP_DSna);
ii.fIcon = TRUE;
ii.xHotspot = 0;
ii.yHotspot = 0;
ii.hbmColor = hbm;
ii.hbmMask = hbmMask;
hicon = CreateIconIndirect(&ii);
DeleteObject(hdc);
DeleteObject(hbm);
DeleteObject(hdcMask);
DeleteObject(hbmMask);
*phicon = hicon;
//
// check for large/small icon extract
//
if (HIWORD(cxIcon))
{
cxIcon = HIWORD(cxIcon);
cyIcon = HIWORD(cyIcon);
phicon++;
goto again;
}
return 1;
}
/****************************************************************************
***************************************************************************/
// BUGBUG Why is this not inline?
// BECAUSE THE COMPILER WOULD OPTIMIZE IT OUT AND GENERATE A WARNING
BOOL
ReadAByte(LPCVOID pmem)
{
return (*(BYTE *)pmem == 0);
}
UINT ExtractIconFromEXE(HANDLE hFile, int nIconIndex, int cxIconSize, int cyIconSize, HICON *phicon, UINT *piconid, UINT nIcons, UINT flags)
{
HANDLE hFileMap=INVALID_HANDLE_VALUE;
LPVOID lpFile=NULL;
EXEHDR *pmz;
NEWEXE *pne;
LPVOID pBase;
LPVOID pres=NULL;
UINT result=0;
LONG FileLength;
DWORD cbSize;
int cxIcon,cyIcon;
LPVOID (*FindResourceX)(LPVOID pBase, LPVOID prt, int iResIndex, int iResType, DWORD *pcb);
FileLength = (LONG)GetFileSize(hFile, NULL);
hFileMap = CreateFileMapping(hFile, NULL, PAGE_READONLY, 0, 0, NULL);
if (hFileMap == NULL)
goto exit;
lpFile = MapViewOfFile(hFileMap, FILE_MAP_READ, 0, 0, 0);
if (lpFile == NULL)
goto exit;
pBase = (LPVOID)lpFile;
pmz = (struct exe_hdr *)pBase;
_try {
if (pmz->e_magic != MZMAGIC)
goto exit;
if (pmz->e_lfanew <= 0) // not a new exe
goto exit;
if (pmz->e_lfanew >= FileLength) // not a new exe
goto exit;
pne = (NEWEXE*)((BYTE*)pmz + pmz->e_lfanew);
switch (pne->ne_magic)
{
case NEMAGIC:
pres = GetResourceTableNE(pBase);
FindResourceX = FindResourceNE;
break;
case PEMAGIC:
pres = GetResourceTablePE(pBase);
FindResourceX = FindResourcePE;
break;
}
//
// cant find the resource table, fail
//
if (pres == NULL)
goto exit;
//
// do we just want a count?
//
if (phicon == NULL)
{
result = (UINT)FindResourceX(pBase, pres, GET_COUNT, (int)RT_GROUP_ICON, &cbSize);
goto exit;
}
while (result < nIcons)
{
LPVOID lpIconDir;
LPVOID lpIcon;
int idIcon;
cxIcon = cxIconSize;
cyIcon = cyIconSize;
//
// find the icon dir for this icon.
//
lpIconDir = FindResourceX(pBase, pres, nIconIndex, (int)RT_GROUP_ICON, &cbSize);
if (lpIconDir == NULL)
goto exit;
if ( (((LPNEWHEADER)lpIconDir)->Reserved != 0)
|| (((LPNEWHEADER)lpIconDir)->ResType != FT_ICON) )
{
DebugMsg(DM_ERROR, TEXT("sh ER - ExtractIconFromEXE found bad icondir"));
Assert(0);
goto exit;
}
again:
idIcon = LookupIconIdFromDirectoryEx((LPBYTE)lpIconDir,TRUE,
LOWORD(cxIcon),LOWORD(cyIcon),flags);
lpIcon = FindResourceX(pBase, pres, -idIcon, (int)RT_ICON, &cbSize);
if (lpIcon == NULL)
goto exit;
if ( (((LPBITMAPINFOHEADER)lpIcon)->biSize != SIZEOF(BITMAPINFOHEADER)) &&
(((LPBITMAPINFOHEADER)lpIcon)->biSize != SIZEOF(BITMAPCOREHEADER)) )
{
DebugMsg(DM_ERROR, TEXT("sh ER - ExtractIconFromEXE found bad BITMAPINFO"));
Assert(0);
goto exit;
}
#ifndef WINNT
// touch this memory before calling USER
// so if we page fault we will do it outside of the Win16Lock
// most icons aren't more than 2 pages
ReadAByte(((BYTE *)lpIcon) + cbSize - 1);
#endif
if (piconid)
piconid[result] = idIcon;
phicon[result++] = CreateIconFromResourceEx((LPBYTE)lpIcon, cbSize,
TRUE, WIN32VER30, LOWORD(cxIcon), LOWORD(cyIcon), flags);
//
// check for large/small icon extract
//
if (HIWORD(cxIcon))
{
cxIcon = HIWORD(cxIcon);
cyIcon = HIWORD(cyIcon);
goto again;
}
nIconIndex++; // next icon index
}
}
_except (EXCEPTION_EXECUTE_HANDLER)
{
result = 0;
}
exit:
if (lpFile)
UnmapViewOfFile(lpFile);
if (hFileMap!=INVALID_HANDLE_VALUE)
CloseHandle(hFileMap);
return result;
}
#endif // not defined WINNT
/****************************************************************************
****************************************************************************/
DWORD HasExtension(LPCTSTR pszPath)
{
LPCTSTR p = PathFindExtension(pszPath);
//
// BUGBUG - BobDay - Shouldn't this limit the length to 4 characters?
// "Fister.Bather" would return .BAT
//
// BUGBUG - BobDay - We could make this EXTKEY based like the extension
// matching stuff elsewhere. EXTKEY is a QWORD value so UNICODE would fit.
//
if (*p == TEXT('.'))
{
#ifdef UNICODE
WCHAR szExt[5];
lstrcpyn(szExt,p,5);
if ( lstrcmpi(szExt,TEXT(".com")) == 0 ) return COM_FILE;
if ( lstrcmpi(szExt,TEXT(".bat")) == 0 ) return BAT_FILE;
#ifdef WINNT
if ( lstrcmpi(szExt,TEXT(".cmd")) == 0 ) return CMD_FILE;
#endif
if ( lstrcmpi(szExt,TEXT(".pif")) == 0 ) return PIF_FILE;
if ( lstrcmpi(szExt,TEXT(".lnk")) == 0 ) return LNK_FILE;
if ( lstrcmpi(szExt,TEXT(".ico")) == 0 ) return ICO_FILE;
if ( lstrcmpi(szExt,TEXT(".exe")) == 0 ) return EXE_FILE;
return 0;
#else
return *((UNALIGNED DWORD *)p) | 0x20202000; // make lower case
#endif
}
else
return 0;
}
#ifndef WINNT
/****************************************************************************
****************************************************************************/
/* This returns a pointer to the rsrc_nameinfo of the resource with the
* given index and type, if it is found, otherwise it returns NULL.
*
* if iResIndex is < 0, then it is assumed to be a ID and the res table
* will be searched for a matching id.
*
* if iResIndex is >= 0, then it is assumed to be a index and the Nth
* resorce of the specifed type will be returned.
*
* if iResIndex == GET_COUNT the count of resources will be returned
*
*/
LPVOID FindResourceNE(LPVOID lpBase, LPVOID prt, int iResIndex, int iResType, DWORD *pcb)
{
LPRESTABLE lpResTable;
LPRESTYPEINFO lpResTypeInfo;
LPRESNAMEINFO lpResNameInfo;
int i;
lpResTable = (LPRESTABLE)prt;
////lpResTypeInfo = (LPRESTYPEINFO)(LPWBYTE)&lpResTable->rs_typeinfo;
lpResTypeInfo = (LPRESTYPEINFO)((LPBYTE)lpResTable + 2);
while (lpResTypeInfo->rt_id)
{
if (lpResTypeInfo->rt_id == (iResType | RSORDID))
{
lpResNameInfo = (LPRESNAMEINFO)(lpResTypeInfo+1);
if (iResIndex == GET_COUNT)
return (LPVOID)lpResTypeInfo->rt_nres;
if (iResIndex < 0)
{
for (i=0; i < (int)lpResTypeInfo->rt_nres; i++)
{
if (lpResNameInfo[i].rn_id == ((-iResIndex) | RSORDID))
break;
}
iResIndex = i;
}
if (iResIndex >= (int)lpResTypeInfo->rt_nres)
return NULL;
*pcb = ((DWORD)lpResNameInfo[iResIndex].rn_length) << lpResTable->rs_align;
return (LPBYTE)lpBase + ((long)lpResNameInfo[iResIndex].rn_offset << lpResTable->rs_align);
}
lpResTypeInfo = (LPRESTYPEINFO)((LPRESNAMEINFO)(lpResTypeInfo+1) + lpResTypeInfo->rt_nres);
}
*pcb = 0;
return NULL;
}
/****************************************************************************
****************************************************************************/
LPVOID GetResourceTableNE(LPVOID pBase)
{
LPNEWEXE pne;
LPEXEHDR pmz;
pmz = (LPEXEHDR)pBase;
pne = (LPNEWEXE)((LPBYTE)pBase + pmz->e_lfanew);
if (pmz->e_magic != MZMAGIC)
return 0;
if (pne->ne_magic != NEMAGIC) // must be a NEWEXE
return 0;
if (pne->ne_exetyp != NE_WINDOWS && // must be a Win DLL/EXE/386
pne->ne_exetyp != NE_DEV386)
return 0;
if (pne->ne_expver < 0x0300) // must be 3.0 or greater
return 0;
if (pne->ne_rsrctab == pne->ne_restab) // no resources
return 0;
return (LPBYTE)pne + pne->ne_rsrctab; // return resource table pointer
}
/****************************************************************************
****************************************************************************/
LPVOID RVAtoP(LPVOID pBase, DWORD rva)
{
LPEXEHDR pmz;
IMAGE_NT_HEADERS *ppe;
IMAGE_SECTION_HEADER *pSection; // section table
int i;
pmz = (LPEXEHDR)pBase;
ppe = (IMAGE_NT_HEADERS*)((BYTE*)pBase + pmz->e_lfanew);
//
// scan the section table looking for the RVA
//
pSection = IMAGE_FIRST_SECTION(ppe);
for (i=0; i<NUMBER_OF_SECTIONS(ppe); i++)
{
DWORD size;
size = pSection[i].Misc.VirtualSize ?
pSection[i].Misc.VirtualSize : pSection[i].SizeOfRawData;
if (rva >= pSection[i].VirtualAddress &&
rva < pSection[i].VirtualAddress + size)
{
return (LPBYTE)pBase + pSection[i].PointerToRawData + (rva - pSection[i].VirtualAddress);
}
}
return NULL;
}
/****************************************************************************
****************************************************************************/
LPVOID GetResourceTablePE(LPVOID pBase)
{
LPEXEHDR pmz;
IMAGE_NT_HEADERS *ppe;
pmz = (LPEXEHDR)pBase;
ppe = (IMAGE_NT_HEADERS*)((BYTE*)pBase + pmz->e_lfanew);
if (pmz->e_magic != MZMAGIC)
return 0;
if (ppe->Signature != IMAGE_NT_SIGNATURE)
return 0;
if (ppe->FileHeader.SizeOfOptionalHeader < IMAGE_SIZEOF_NT_OPTIONAL_HEADER)
return 0;
return RVAtoP(pBase, RESOURCE_VA(ppe));
}
/****************************************************************************
* FindResourcePE
*
* given a PE resource directory will find a resource in it.
*
* if iResIndex < 0 we will search for the specific index
* if iResIndex >= 0 we will return the Nth index
* if iResIndex == GET_COUNT the count of resources will be returned
*
\*****************************************************************************/
LPVOID FindResourcePE(LPVOID pBase, LPVOID prt, int iResIndex, int ResType, DWORD *pcb)
{
int i,cnt;
IMAGE_RESOURCE_DIRECTORY *pdir;
IMAGE_RESOURCE_DIRECTORY_ENTRY *pres;
IMAGE_RESOURCE_DATA_ENTRY *pent;
pdir = (IMAGE_RESOURCE_DIRECTORY *)prt;
//
// first find the type always a ID so ignore strings totaly
//
cnt = pdir->NumberOfIdEntries + pdir->NumberOfNamedEntries;
pres = (IMAGE_RESOURCE_DIRECTORY_ENTRY*)(pdir+1);
for (i=0; i<cnt; i++)
{
if (pres[i].Name == (DWORD)ResType)
break;
}
if (i==cnt) // did not find the type
return 0;
//
// now go find the actual resource either by id (iResIndex < 0) or
// by ordinal (iResIndex >= 0)
//
pdir = (IMAGE_RESOURCE_DIRECTORY*)((LPBYTE)prt +
(pres[i].OffsetToData & ~IMAGE_RESOURCE_DATA_IS_DIRECTORY));
cnt = pdir->NumberOfIdEntries + pdir->NumberOfNamedEntries;
pres = (IMAGE_RESOURCE_DIRECTORY_ENTRY*)(pdir+1);
//
// if we just want size, do it.
//
if (iResIndex == GET_COUNT)
return (LPVOID)cnt;
//
// if we are to search for a specific id do it.
//
if (iResIndex < 0)
{
for (i=0; i<cnt; i++)
if (pres[i].Name == (DWORD)(-iResIndex))
break;
}
else
{
i = iResIndex;
}
//
// is the index in range?
//
if (i >= cnt)
return 0;
//
// if we get this far the resource has a language part, ick!
// !!!for now just punt and return the first one.
// !!!BUGBUG we dont handle multi-language icons
//
if (pres[i].OffsetToData & IMAGE_RESOURCE_DATA_IS_DIRECTORY)
{
pdir = (IMAGE_RESOURCE_DIRECTORY*)((LPBYTE)prt +
(pres[i].OffsetToData & ~IMAGE_RESOURCE_DATA_IS_DIRECTORY));
pres = (IMAGE_RESOURCE_DIRECTORY_ENTRY*)(pdir+1);
i = 0; // choose first one
}
//
// nested way to deep for me!
//
if (pres[i].OffsetToData & IMAGE_RESOURCE_DATA_IS_DIRECTORY)
return 0;
pent = (IMAGE_RESOURCE_DATA_ENTRY*)((LPBYTE)prt + pres[i].OffsetToData);
//
// all OffsetToData fields except the final one are relative to
// the start of the section. the final one is a virtual address
// we need to go back to the header and get the virtual address
// of the resource section to do this right.
//
*pcb = pent->Size;
return RVAtoP(pBase, pent->OffsetToData);
}
#endif // not defined WINNT
/****************************************************************************
* GetExeType - get the EXE type of the passed file (DOS, Win16, Win32)
*
* returns:
* 0 = not a exe of any type.
*
* if a windows app
* LOWORD = NE or PE
* HIWORD = windows version 3.0, 3.5, 4.0
*
* if a DOS app (or a .com or batch file on non-NT)
* LOWORD = MZ
* HIWORD = 0
*
* if a Win32 console app (or a batch file on NT)
* LOWORD = PE
* HIWORD = 0
*
* BUGBUG this is so similar to the Win32 API GetBinaryType() too bad Win95
* kernel does not support it.
*
****************************************************************************/
DWORD WINAPI GetExeType(LPCTSTR szFile)
{
HANDLE fh;
DWORD dw;
struct exe_hdr exehdr;
struct new_exe newexe;
FILETIME ftAccess;
DWORD dwRead,dwUNC;
//
// check for special extensions, and fail quick
//
switch (HasExtension(szFile))
{
case COM_FILE:
// handle the case like \\server.microsoft.com
dwUNC = PathIsUNCServerShare(szFile);
if ((dwUNC == UNC_SERVER_ONLY) || (dwUNC == UNC_SERVER_SHARE))
return 0;
#ifndef WINNT
case BAT_FILE:
case CMD_FILE:
#endif
return MAKELONG(MZMAGIC, 0); // DOS exe
#ifdef WINNT
case BAT_FILE:
case CMD_FILE:
return MAKELONG(PEMAGIC, 0); // NT exe (pretend)
#endif
case EXE_FILE: // we need to open it.
break;
default:
return 0; // not a exe, or if it is we dont care
}
newexe.ne_expver = 0;
fh = CreateFile(szFile, GENERIC_READ | FILE_WRITE_ATTRIBUTES,
FILE_SHARE_READ | FILE_SHARE_WRITE,
0, OPEN_EXISTING, 0, 0);
if (fh == INVALID_HANDLE_VALUE)
{
//
// We may be trying to get properties for a file on a volume where
// we don't have write access, so try opening the file for read
// only access. This will mean we can't preserve the access
// time (those calls will fail), but this is better than not returning
// the exe type at all...
//
fh = CreateFile(szFile, GENERIC_READ,
FILE_SHARE_READ | FILE_SHARE_WRITE,
0, OPEN_EXISTING, 0, 0);
//
// at this point if we get an INVALID_HANDLE_VALUE, we really
// can't do much else, so now return a failure...
//
if (fh == INVALID_HANDLE_VALUE)
{
return 0;
}
}
// preserve the access time
if (GetFileTime(fh, NULL, &ftAccess, NULL))
SetFileTime(fh, NULL, &ftAccess, NULL);
if (!ReadFile(fh, &exehdr, SIZEOF(exehdr), &dwRead, NULL) ||
(dwRead != SIZEOF(exehdr)))
goto error;
if (exehdr.e_magic != EMAGIC)
goto error;
SetFilePointer(fh, exehdr.e_lfanew, NULL, FILE_BEGIN);
ReadFile(fh,&newexe, SIZEOF(newexe), &dwRead, NULL);
if (newexe.ne_magic == PEMAGIC)
{
// read the SubsystemVersion
SetFilePointer(fh, exehdr.e_lfanew+18*4, NULL, FILE_BEGIN);
ReadFile(fh,&dw,4, &dwRead, NULL);
newexe.ne_expver = LOBYTE(LOWORD(dw)) << 8 | LOBYTE(HIWORD(dw));
// read the Subsystem
SetFilePointer(fh, exehdr.e_lfanew+23*4, NULL, FILE_BEGIN);
ReadFile(fh,&dw,4, &dwRead, NULL);
// if it is not a Win32 GUI app return a version of 0
if (LOWORD(dw) != 2) // IMAGE_SUBSYSTEM_WINDOWS_GUI
newexe.ne_expver = 0;
goto exit;
}
else if (newexe.ne_magic == LEMAGIC)
{
newexe.ne_magic = MZMAGIC; // just a DOS exe
newexe.ne_expver = 0;
}
else if (newexe.ne_magic == NEMAGIC)
{
//
// we found a 'NE' it still might not be a windows
// app, it could be.....
//
// a OS/2 app ne_exetyp==NE_OS2
// a DOS4 app ne_exetyp==NE_DOS4
// a VxD ne_exetyp==DEV386
//
// only treat it as a Windows app if the exetype
// is NE_WINDOWS or NE_UNKNOWN
//
if (newexe.ne_exetyp != NE_WINDOWS && newexe.ne_exetyp != NE_UNKNOWN)
{
newexe.ne_magic = MZMAGIC; // just a DOS exe
newexe.ne_expver = 0;
}
//
// if could also have a bogus expected windows version
// (treat 0 as invalid)
//
if (newexe.ne_expver == 0)
{
newexe.ne_magic = MZMAGIC; // just a DOS exe
newexe.ne_expver = 0;
}
}
else // if (newexe.ne_magic != NEMAGIC)
{
newexe.ne_magic = MZMAGIC; // just a DOS exe
newexe.ne_expver = 0;
}
exit:
CloseHandle(fh);
return MAKELONG(newexe.ne_magic, newexe.ne_expver);
error:
CloseHandle(fh);
return 0;
}
#define M_llseek(fh, lOff, iOrg) SetFilePointer((HANDLE)fh, lOff, NULL, (DWORD)iOrg)
#define M_lread(fh, lpBuf, cb) _lread((HFILE)fh, lpBuf, cb)
#define MAGIC_ICON30 0
#define MAGIC_MARKZIBO ((WORD)'M'+((WORD)'Z'<<8))
typedef struct new_exe NEWEXEHDR;
typedef NEWEXEHDR *PNEWEXEHDR;
#define SEEK_FROMZERO 0
#define SEEK_FROMCURRENT 1
#define SEEK_FROMEND 2
#define NSMOVE 0x0010
#define VER 0x0300
#define CCHICONPATHMAXLEN 128
typedef struct _ExtractIconInfo
{
HANDLE hAppInst;
HANDLE hFileName;
HANDLE hIconList;
INT nIcons;
} EXTRACTICONINFO;
EXTRACTICONINFO ExtractIconInfo = {NULL, NULL, NULL, 0};
INT nIcons;
typedef struct _MyIconInfo {
HICON hIcon;
INT iIconId;
} MYICONINFO, *LPMYICONINFO;
HANDLE APIENTRY InternalExtractIconW(HINSTANCE hInst, LPCWSTR lpszExeFileName, UINT nIconIndex, UINT nIcons);
/*--------------------------------------------------------------------------*/
/* */
/* DuplicateIcon() - */
/* */
/*--------------------------------------------------------------------------*/
HICON APIENTRY
DuplicateIcon(
HINSTANCE hInst,
HICON hIcon)
{
ICONINFO IconInfo;
if (!GetIconInfo(hIcon, &IconInfo))
return NULL;
hIcon = CreateIconIndirect(&IconInfo);
DeleteObject(IconInfo.hbmMask);
DeleteObject(IconInfo.hbmColor);
UNREFERENCED_PARAMETER(hInst);
return hIcon;
}
/*--------------------------------------------------------------------------*/
/* */
/* FindResWithIndex() - */
/* */
/*--------------------------------------------------------------------------*/
/* This returns a pointer to the rsrc_nameinfo of the resource with the
* given index and type, if it is found, otherwise it returns NULL.
*/
LPBYTE
FindResWithIndex(
LPBYTE lpResTable,
INT iResIndex,
LPBYTE lpResType)
{
LPRESTYPEINFO lpResTypeInfo;
try {
lpResTypeInfo = (LPRESTYPEINFO)(lpResTable + SIZEOF(WORD));
while (lpResTypeInfo->rt_id) {
if ((lpResTypeInfo->rt_id & RSORDID) &&
(MAKEINTRESOURCE(lpResTypeInfo->rt_id & ~RSORDID) == (LPTSTR)lpResType)) {
if (lpResTypeInfo->rt_nres > (WORD)iResIndex)
return((LPBYTE)(lpResTypeInfo+1) + iResIndex * SIZEOF(RESNAMEINFO));
else
return(NULL);
}
lpResTypeInfo = (LPRESTYPEINFO)((LPBYTE)(lpResTypeInfo+1) + lpResTypeInfo->rt_nres * SIZEOF(RESNAMEINFO));
}
return(NULL);
} except (EXCEPTION_EXECUTE_HANDLER) {
return (NULL);
}
}
/*--------------------------------------------------------------------------*/
/* */
/* GetResIndex() - */
/* */
/*--------------------------------------------------------------------------*/
/* This returns the index (1-relative) of the given resource-id
* in the resource table, if it is found, otherwise it returns NULL.
*/
INT
GetResIndex(
LPBYTE lpResTable,
INT iResId,
LPBYTE lpResType)
{
register WORD w;
LPRESTYPEINFO lpResTypeInfo;
LPRESNAMEINFO lpResNameInfo;
lpResTypeInfo = (LPRESTYPEINFO)(lpResTable + SIZEOF(WORD));
while (lpResTypeInfo->rt_id)
{
if ((lpResTypeInfo->rt_id & RSORDID) && (MAKEINTRESOURCE(lpResTypeInfo->rt_id & ~RSORDID) == (LPTSTR)lpResType))
{
lpResNameInfo = (LPRESNAMEINFO)(lpResTypeInfo+1);
for (w=0; w < lpResTypeInfo->rt_nres; w++, lpResNameInfo++)
{
if ((lpResNameInfo->rn_id & RSORDID) && ((lpResNameInfo->rn_id & ~RSORDID) == iResId))
return(w+1);
}
return(0);
}
lpResTypeInfo = (LPRESTYPEINFO)((LPBYTE)(lpResTypeInfo+1) + lpResTypeInfo->rt_nres * SIZEOF(RESNAMEINFO));
}
return(0);
}
/*--------------------------------------------------------------------------*/
/* */
/* SimpleLoadResource() - */
/* */
/*--------------------------------------------------------------------------*/
HANDLE
SimpleLoadResource(
HFILE fh,
LPBYTE lpResTable,
INT iResIndex,
LPBYTE lpResType)
{
register INT iShiftCount;
register HICON hIcon;
LPBYTE lpIcon;
DWORD dwSize;
DWORD dwOffset;
LPRESNAMEINFO lpResPtr;
/* The first 2 bytes in ResTable indicate the amount other values should be
* shifted left.
*/
iShiftCount = *((WORD *)lpResTable);
lpResPtr = (LPRESNAMEINFO)FindResWithIndex(lpResTable, iResIndex, lpResType);
if (!lpResPtr)
return(NULL);
/* Left shift the offset to form a LONG. */
dwOffset = MAKELONG(lpResPtr->rn_offset << iShiftCount, (lpResPtr->rn_offset) >> (16 - iShiftCount));
dwSize = lpResPtr->rn_length << iShiftCount;
if (M_llseek(fh, dwOffset, SEEK_FROMZERO) == -1L)
return(NULL);
if (!(hIcon = GlobalAlloc(GMEM_ZEROINIT | GMEM_MOVEABLE, dwSize)))
return(NULL);
if (!(lpIcon = GlobalLock(hIcon)))
goto SLRErr1;
if (_lread(fh, (LPVOID)lpIcon, dwSize) < dwSize)
goto SLRErr2;
GlobalUnlock(hIcon);
return(hIcon);
SLRErr2:
GlobalUnlock(hIcon);
SLRErr1:
GlobalFree(hIcon);
return(NULL);
}
#if !defined(UNICODE) && defined(PARTIAL_UNICODE)
BOOL
EnumIconFunc(
HANDLE hModule,
LPWSTR lpType,
LPWSTR lpName,
LONG lParam)
{
HICON hIcon = NULL;
HANDLE hIconList = *(LPHANDLE)lParam;
LPMYICONINFO lpIconList;
HANDLE h;
PBYTE p;
INT id;
INT cb;
if (!lpName)
return TRUE;
if (!hIconList)
return FALSE;
/*
* Look up the icon id from the directory.
*/
h = FindResourceW(hModule, lpName, lpType);
if (!h)
return TRUE;
h = LoadResource(hModule, h);
p = LockResource(h);
id = LookupIconIdFromDirectory(p, TRUE);
UnlockResource(h);
FreeResource(h);
/*
* Load the icon.
*/
h = FindResourceW(hModule, (LPWSTR)MAKEINTRESOURCE(id), (LPWSTR)MAKEINTRESOURCE(RT_ICON));
if (h) {
cb = SizeofResource(hModule, h);
h = LoadResource(hModule, h);
p = LockResource(h);
hIcon = CreateIconFromResource(p, cb, TRUE, 0x00030000);
UnlockResource(h);
FreeResource(h);
}
if (hIcon) {
if (hIconList = GlobalReAlloc(hIconList, (nIcons+1) * SIZEOF(MYICONINFO), GMEM_MOVEABLE)) {
if (lpIconList = (LPMYICONINFO)GlobalLock(hIconList)) {
(lpIconList + nIcons)->hIcon = hIcon;
(lpIconList + nIcons)->iIconId = id;
nIcons++;
GlobalUnlock(hIconList);
}
*(LPHANDLE)lParam = hIconList;
}
}
return TRUE;
}
#endif
INT _CRTAPI1
CompareIconId(
LPMYICONINFO lpIconInfo1,
LPMYICONINFO lpIconInfo2)
{
return(lpIconInfo1->iIconId - lpIconInfo2->iIconId);
}
VOID
FreeIconList(HANDLE hIconList, int iKeepIcon)
{
LPMYICONINFO lpIconList;
INT i;
if (ExtractIconInfo.hIconList == hIconList) {
ExtractIconInfo.hIconList = NULL;
}
if (NULL != (lpIconList = (LPMYICONINFO)GlobalLock(hIconList))) {
for (i = 0; i < ExtractIconInfo.nIcons; i++) {
if (i != iKeepIcon) {
DestroyIcon((lpIconList + i)->hIcon);
}
}
GlobalUnlock(hIconList);
GlobalFree(hIconList);
}
}
VOID
FreeExtractIconInfo(INT iKeepIcon)
{
LPMYICONINFO lpIconList;
INT i;
if (ExtractIconInfo.hIconList) {
if (NULL != (lpIconList = (LPMYICONINFO)GlobalLock(ExtractIconInfo.hIconList))) {
for (i = 0; i < ExtractIconInfo.nIcons; i++) {
if (i != iKeepIcon) {
DestroyIcon((lpIconList + i)->hIcon);
}
}
GlobalUnlock(ExtractIconInfo.hIconList);
}
GlobalFree(ExtractIconInfo.hIconList);
ExtractIconInfo.hIconList = NULL;
}
ExtractIconInfo.hAppInst = NULL;
ExtractIconInfo.nIcons = 0;
if (ExtractIconInfo.hFileName) {
GlobalFree(ExtractIconInfo.hFileName);
ExtractIconInfo.hFileName = NULL;
}
}
#ifndef WIN32
#define FreeExtractIconInfo()
#endif
/*--------------------------------------------------------------------------*/
/* */
/* ExtractIcon() - */
/* */
/* Returns: */
/* The handle of the icon, if successful. */
/* 0, if the file does not exist or an icon with the "nIconIndex" */
/* does not exist. */
/* 1, if the given file is not an EXE or ICO file. */
/* -2, if the user requested to have the buffer freed
/* */
/*--------------------------------------------------------------------------*/
#if !defined(UNICODE) && defined(PARTIAL_UNICODE) // BUGBUG - BobDay - This function should be removed
HICON APIENTRY
ExtractIconW(
HINSTANCE hInst,
LPCWSTR lpszExeFileName,
UINT nIconIndex)
{
HANDLE hIconList;
LPMYICONINFO lpIconList;
HICON hIcon = NULL;
HANDLE hModule;
LPWSTR lpszT = NULL;
DWORD OldErrorMode;
if (nIconIndex == -2) {
FreeExtractIconInfo(-1);
return ((HICON)nIconIndex);
}
//
// This is the caching code. If the user called in with the
// same parameters as the last time he called, and our buffer
// still exists, then we can grab from the cache and return.
//
if ((ExtractIconInfo.hAppInst == hInst) &&
ExtractIconInfo.hFileName &&
(lpszT = (LPWSTR)GlobalLock(ExtractIconInfo.hFileName)) &&
(!lstrcmpW(lpszT, lpszExeFileName)) &&
(lpIconList = (LPMYICONINFO)GlobalLock(ExtractIconInfo.hIconList)) ) {
/*
* The file is a WIN32 exe.
*/
if ((WORD)nIconIndex == (WORD)-1) /* just want the number of icons */
hIcon = (HICON)ExtractIconInfo.nIcons;
else if (nIconIndex < (UINT)ExtractIconInfo.nIcons)
hIcon = DuplicateIcon(hInst, (lpIconList+nIconIndex)->hIcon);
GlobalUnlock(ExtractIconInfo.hIconList);
GlobalUnlock(ExtractIconInfo.hFileName);
return (hIcon);
}
if (lpszT) {
GlobalUnlock(ExtractIconInfo.hFileName);
}
/* reset ExtractIconInfo */
FreeExtractIconInfo(-1);
OldErrorMode = SetErrorMode(SEM_FAILCRITICALERRORS);
if (hModule = LoadLibraryExW(lpszExeFileName,
NULL,
DONT_RESOLVE_DLL_REFERENCES)) {
SetErrorMode(OldErrorMode);
/*
* this exe is a WIN32 exe
*/
ExtractIconInfo.hAppInst = hInst;
if (ExtractIconInfo.hFileName = GlobalAlloc(GMEM_MOVEABLE, ((lstrlenW(lpszExeFileName)+1) * SIZEOF(WCHAR)))) {
if (lpszT = (LPWSTR)GlobalLock(ExtractIconInfo.hFileName)) {
lstrcpyW(lpszT, lpszExeFileName);
GlobalUnlock(ExtractIconInfo.hFileName);
}
}
if (hIconList = GlobalAlloc(GMEM_MOVEABLE, SIZEOF(MYICONINFO))) {
nIcons = 0;
EnumResourceNamesW(hModule, (LPWSTR)RT_GROUP_ICON,
(ENUMRESNAMEPROC)EnumIconFunc,
(LONG)&hIconList);
if (!nIcons || !hIconList)
goto Win32Exit;
ExtractIconInfo.nIcons = nIcons;
ExtractIconInfo.hIconList = hIconList;
if (lpIconList = (LPMYICONINFO)GlobalLock(hIconList)) {
/*
* Sort the icons by their IDs.
*/
qsort(lpIconList, nIcons, SIZEOF(MYICONINFO), (PVOID)CompareIconId);
/*
* Return the desired icon.
*/
if ((WORD)nIconIndex == (WORD)-1) /* just want the number of icons */
hIcon = (HICON)nIcons;
else if (nIconIndex < (UINT)nIcons)
hIcon = DuplicateIcon(hInst, (lpIconList+nIconIndex)->hIcon);
GlobalUnlock(hIconList);
}
}
Win32Exit:
FreeLibrary(hModule);
return(hIcon);
} else {
SetErrorMode(OldErrorMode);
}
/*
* this exe is a 16bit EXE
*/
/*
* Get the list of icons.
*/
hIconList = InternalExtractIconW(hInst, lpszExeFileName, nIconIndex, 1);
if (!hIconList) {
return NULL;
}
/*
* Get the one icon in the list.
*/
lpIconList = (LPMYICONINFO)GlobalLock(hIconList);
hIcon = lpIconList[0].hIcon;
/* Delete the list. */
GlobalUnlock(hIconList);
GlobalFree(hIconList);
return hIcon;
}
#endif
#if !defined(UNICODE) && !defined(PARTIAL_UNICODE)
HICON APIENTRY
ExtractIconW(
HINSTANCE hInst,
LPCWSTR lpszExeFileName,
UINT nIconIndex)
{
return 0; // BUGBUG- BobDay - We should move this into SHUNIMP.C
}
#endif
#ifdef UNICODE
HICON APIENTRY
ExtractIconA(
HINSTANCE hInst,
LPCSTR lpszExeFileName,
UINT nIconIndex)
{
if (lpszExeFileName) {
LPWSTR lpszExeFileNameW;
WORD wLen = lstrlenA(lpszExeFileName) + 1;
if (!(lpszExeFileNameW = (LPWSTR)LocalAlloc(LMEM_ZEROINIT, (wLen * SIZEOF(WCHAR))))) {
return(NULL);
} else {
HICON hIcon;
MultiByteToWideChar(CP_ACP, 0, lpszExeFileName, -1, lpszExeFileNameW, wLen-1);
hIcon = ExtractIconW(hInst, lpszExeFileNameW, nIconIndex);
LocalFree(lpszExeFileNameW);
return(hIcon);
}
} else {
return(NULL);
}
}
#endif
/*--------------------------------------------------------------------------*/
/* */
/* InternalExtractIconList() - */
/* */
/* Returns a handle to a list of icons. */
/* */
/*--------------------------------------------------------------------------*/
#ifdef UNICODE
HANDLE APIENTRY
InternalExtractIconListW(
HANDLE hInst,
LPWSTR lpszExeFileName,
LPINT lpnIcons)
{
UINT cIcons, uiResult, i;
UINT * lpIDs = NULL;
HICON * lpIcons = NULL;
HGLOBAL hIconInfo = NULL;
LPMYICONINFO lpIconInfo = NULL;
//
// Determine the number of icons
//
cIcons = (UINT) ExtractIconW(hInst, lpszExeFileName, (UINT)-1);
if (cIcons <= 0)
return NULL;
//
// Allocate space for an array of UINT's and HICON's
//
lpIDs = GlobalAlloc(GPTR, cIcons * SIZEOF(UINT));
if (!lpIDs) {
goto IconList_Exit;
}
lpIcons = GlobalAlloc(GPTR, cIcons * SIZEOF(HICON));
if (!lpIcons) {
goto IconList_Exit;
}
//
// Allocate space for the array of icons
//
hIconInfo = GlobalAlloc(GMEM_MOVEABLE | GMEM_ZEROINIT, cIcons * SIZEOF(MYICONINFO));
if (!hIconInfo) {
goto IconList_Exit;
}
//
// This has to be GlobalLock'ed since the handle is going to
// be passed back to the application.
//
lpIconInfo = GlobalLock(hIconInfo);
if (!lpIconInfo) {
goto IconList_Exit;
}
//
// Call ExtractIcons to do the real work.
//
uiResult = ExtractIcons(lpszExeFileName,
0,
GetSystemMetrics(SM_CXICON),
GetSystemMetrics(SM_CYICON),
lpIcons,
lpIDs,
cIcons,
0);
if (uiResult <= 0) {
goto IconList_Exit;
}
//
// Loop through the icons and fill in the array.
//
for (i=0; i < cIcons; i++) {
lpIconInfo[i].hIcon = lpIcons[i];
lpIconInfo[i].iIconId = lpIDs[i];
}
//
// Unlock the array handle.
//
GlobalUnlock(hIconInfo);
//
// Clean up allocations
//
GlobalFree(lpIDs);
GlobalFree(lpIcons);
//
// Success.
//
return hIconInfo;
IconList_Exit:
//
// Error case. Clean up and return NULL
//
if (lpIconInfo)
GlobalUnlock(hIconInfo);
if (hIconInfo)
GlobalFree(hIconInfo);
if (lpIcons)
GlobalFree(lpIcons);
if (lpIDs)
GlobalFree(lpIDs);
return NULL;
}
#else // Unicode
HANDLE APIENTRY
InternalExtractIconListW(
HANDLE hInst,
LPWSTR lpszExeFileName,
LPINT lpnIcons)
{
// BUGBUG: This should be moved to shlunimp.c
return NULL;
}
#endif
HANDLE APIENTRY
InternalExtractIconListA(
HANDLE hInst,
LPSTR lpszExeFileName,
LPINT lpnIcons)
{
//
// Nobody ever should have used this, once progman on NT became unicode,
// this entrypoint became useless.
//
return (HANDLE)NULL;
}
#ifdef UNICODE
HANDLE APIENTRY
InternalExtractIconA(
HINSTANCE hInst,
LPCSTR lpszExeFileName,
UINT wIconIndex,
UINT nIcons)
{
//
// Nobody ever should have used this, once progman on NT became unicode,
// this entrypoint became useless. Plus progman really only used the
// InternalExtractIconListA entrypoint anyway...
//
return (HANDLE)NULL;
}
#endif
/* ExtractVersionResource16W
* Retrieves a resource from win16 images. Most of this code
* is stolen from ExtractIconResInfoW in ..\library\extract.c
*
* LPWSTR lpwstrFilename - file to extract
* LPHANDLE lpData - return buffer for handle, NULL if not needed
*
* Returns: size of buffer needed
*/
DWORD
ExtractVersionResource16W(
LPCWSTR lpwstrFilename,
LPHANDLE lphData)
{
HFILE fh;
WORD wMagic;
INT iTableSize;
LPBYTE lpResTable;
DWORD lOffset;
HANDLE hResTable;
NEWEXEHDR NEHeader;
HANDLE hRes;
DWORD dwSize =0;
//
// Try to open the specified file.
//
fh = (HFILE)CreateFileW(lpwstrFilename,
GENERIC_READ,
FILE_SHARE_READ,
NULL,
OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL,
NULL);
if (fh == (HFILE)INVALID_HANDLE_VALUE) {
fh = (HFILE)CreateFileW(lpwstrFilename,
GENERIC_READ,
0,
NULL,
OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
}
if (fh == (HFILE)INVALID_HANDLE_VALUE)
return(0);
//
// Read the first two bytes in the file.
//
if (_lread(fh, (LPVOID)&wMagic, 2) != 2)
goto EIExit;
switch (wMagic) {
case MAGIC_MARKZIBO:
//
// Make sure that the file is in the NEW EXE format.
//
if (M_llseek(fh, (LONG)0x3C, SEEK_FROMZERO) == -1L)
goto EIExit;
if (_lread(fh, (LPVOID)&lOffset, SIZEOF(LONG)) != SIZEOF(LONG))
goto EIExit;
if (lOffset == 0L)
goto EIExit;
//
// Read in the EXE header.
//
if (M_llseek(fh, lOffset, SEEK_FROMZERO) == -1L)
goto EIExit;
if (_lread(fh, (LPVOID)&NEHeader, SIZEOF(NEWEXEHDR)) != SIZEOF(NEWEXEHDR))
goto EIExit;
//
// Is it a NEW EXE?
//
if (NE_MAGIC(NEHeader) != NEMAGIC)
goto EIExit;
if ((NE_EXETYP(NEHeader) != NE_WINDOWS) &&
(NE_EXETYP(NEHeader) != NE_DEV386) &&
(NE_EXETYP(NEHeader) != NE_UNKNOWN)) /* Some Win2.X apps have NE_UNKNOWN in this field */
goto EIExit;
//
// Are there any resources?
//
if (NE_RSRCTAB(NEHeader) == NE_RESTAB(NEHeader))
goto EIExit;
//
// Allocate space for the resource table.
//
iTableSize = NE_RESTAB(NEHeader) - NE_RSRCTAB(NEHeader);
hResTable = GlobalAlloc(GMEM_FIXED | GMEM_ZEROINIT, (DWORD)iTableSize);
if (!hResTable)
goto EIExit;
//
// Lock down the resource table.
lpResTable = GlobalLock(hResTable);
if (!lpResTable) {
GlobalFree(hResTable);
goto EIExit;
}
//
// Copy the resource table into memory.
//
if (M_llseek(fh,
(LONG)(lOffset + NE_RSRCTAB(NEHeader)),
SEEK_FROMZERO) == -1) {
goto EIErrExit;
}
if (_lread(fh, (LPBYTE)lpResTable, iTableSize) != (DWORD)iTableSize)
goto EIErrExit;
//
// Simply load the specified icon.
//
hRes = SimpleLoadResource(fh, lpResTable, 0, (LPBYTE)RT_VERSION);
if (hRes) {
dwSize = GlobalSize(hRes);
if (lphData) {
*lphData = hRes;
} else {
GlobalFree(hRes);
}
}
EIErrExit:
GlobalUnlock(hResTable);
GlobalFree(hResTable);
break;
}
EIExit:
_lclose(fh);
return dwSize;
}
/*--------------------------------------------------------------------------*/
/* */
/* ExtractIconResInfo() - */
/* */
/* Returns the file's format: 2 for WIndows 2.X, 3 for WIndows 3.X, */
/* 0 if error. */
/* Returns the handle to the Icon resource corresponding to wIconIndex */
/* in lphIconRes, and the size of the resource in lpwSize. */
/* This is used only by Progman which needs to save the icon resource */
/* itself in the .GRP files (the actual icon handle is not wanted). */
/* */
/* 08-04-91 JohanneC Created. */
/*--------------------------------------------------------------------------*/
WORD APIENTRY
ExtractIconResInfoW(
HANDLE hInst,
LPWSTR lpszFileName,
WORD wIconIndex,
LPWORD lpwSize,
LPHANDLE lphIconRes)
{
HFILE fh;
WORD wMagic;
BOOL bNewResFormat;
HANDLE hIconDir; /* Icon directory */
LPBYTE lpIconDir;
HICON hIcon = NULL;
BOOL bFormatOK = FALSE;
INT nIconId;
WCHAR szFullPath[MAX_PATH];
int cbPath;
/* Try to open the specified file. */
/* Try to open the specified file. */
cbPath = SearchPathW(NULL, lpszFileName, NULL, MAX_PATH, szFullPath, NULL);
if (cbPath == 0 || cbPath >= MAX_PATH)
return(0);
fh = (HFILE)CreateFileW((LPCWSTR)szFullPath, GENERIC_READ, FILE_SHARE_READ, NULL,
OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if (fh == (HFILE)INVALID_HANDLE_VALUE) {
fh = (HFILE)CreateFileW((LPCWSTR)szFullPath, GENERIC_READ, 0, NULL,
OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
}
if (fh == (HFILE)INVALID_HANDLE_VALUE)
return(0);
/* Read the first two bytes in the file. */
if (_lread(fh, (LPVOID)&wMagic, 2) != 2)
goto EIExit;
switch (wMagic) {
case MAGIC_ICON30:
{
INT i;
LPVOID lpIcon;
NEWHEADER NewHeader;
LPNEWHEADER lpHeader;
LPRESDIR lpResDir;
RESDIRDISK ResDirDisk;
#define MAXICONS 10
DWORD Offsets[MAXICONS];
/* Only one icon per .ICO file. */
if (wIconIndex) {
break;
}
/* Read the header and check if it is a valid ICO file. */
if (_lread(fh, ((LPBYTE)&NewHeader)+2, SIZEOF(NEWHEADER)-2) != SIZEOF(NEWHEADER)-2)
goto EICleanup1;
NewHeader.Reserved = MAGIC_ICON30;
/* Check if the file is in correct format */
if (NewHeader.ResType != 1)
goto EICleanup1;
/* Allocate enough space to create a Global Directory Resource. */
hIconDir = GlobalAlloc(GHND, (LONG)(SIZEOF(NEWHEADER)+NewHeader.ResCount*SIZEOF(RESDIR)));
if (hIconDir == NULL)
goto EICleanup1;
if ((lpHeader = (LPNEWHEADER)GlobalLock(hIconDir)) == NULL)
goto EICleanup2;
NewHeader.ResCount = (WORD)min((int)NewHeader.ResCount, MAXICONS);
// fill in this structure for user
*lpHeader = NewHeader;
// read in the stuff from disk, transfer it to a memory structure
// that user can deal with
lpResDir = (LPRESDIR)(lpHeader + 1);
for (i = 0; (WORD)i < NewHeader.ResCount; i++) {
if (_lread(fh, (LPVOID)&ResDirDisk, SIZEOF(RESDIRDISK)) < SIZEOF(RESDIR))
goto EICleanup3;
Offsets[i] = ResDirDisk.Offset;
*lpResDir = *((LPRESDIR)&ResDirDisk);
lpResDir->idIcon = (WORD)(i+1); // fill in the id
lpResDir++;
}
/* Now that we have the Complete resource directory, let us find out the
* suitable form of icon (that matches the current display driver).
*/
#ifdef ORGCODE
// GetIconId() returns the icon id of the icon is most
// most appropriate for the current display.
wIconIndex = (WORD)(GetIconId(hIconDir, (LPBYTE)RT_ICON) - 1);
#else
lpIconDir = GlobalLock(hIconDir);
if (!lpIconDir) {
GlobalFree(hIconDir);
goto EIErrExit;
}
wIconIndex = (WORD)(LookupIconIdFromDirectory(lpIconDir, TRUE) - 1);
GlobalUnlock(hIconDir);
#endif
lpResDir = (LPRESDIR)(lpHeader+1) + wIconIndex;
/* Allocate memory for the Resource to be loaded. */
#ifdef ORGCODE
if ((hIcon = (HICON)DirectResAlloc(hInst, NSMOVE, (WORD)lpResDir->BytesInRes)) == NULL)
#else
if ((hIcon = GlobalAlloc(GMEM_ZEROINIT | GMEM_MOVEABLE, (DWORD)lpResDir->BytesInRes)) == NULL)
#endif
goto EICleanup3;
if ((lpIcon = GlobalLock(hIcon)) == NULL)
goto EICleanup4;
/* Seek to the correct place and read in the resource */
if (M_llseek(fh, Offsets[wIconIndex], SEEK_FROMZERO) == -1L)
goto EICleanup5;
if (_lread(fh, (LPVOID)lpIcon, (DWORD)lpResDir->BytesInRes) < lpResDir->BytesInRes)
goto EICleanup5;
GlobalUnlock(hIcon);
*lphIconRes = hIcon;
*lpwSize = (WORD)lpResDir->BytesInRes;
bFormatOK = TRUE;
bNewResFormat = TRUE;
goto EICleanup3;
EICleanup5:
GlobalUnlock(hIcon);
EICleanup4:
GlobalFree(hIcon);
hIcon = (HICON)1;
EICleanup3:
GlobalUnlock(hIconDir);
EICleanup2:
GlobalFree(hIconDir);
EICleanup1:
break;
}
case MAGIC_MARKZIBO:
{
INT iTableSize;
LPBYTE lpResTable;
DWORD lOffset;
HANDLE hResTable;
NEWEXEHDR NEHeader;
/* Make sure that the file is in the NEW EXE format. */
if (M_llseek(fh, (LONG)0x3C, SEEK_FROMZERO) == -1L)
goto EIExit;
if (_lread(fh, (LPVOID)&lOffset, SIZEOF(LONG)) != SIZEOF(LONG))
goto EIExit;
if (lOffset == 0L)
goto EIExit;
/* Read in the EXE header. */
if (M_llseek(fh, lOffset, SEEK_FROMZERO) == -1L)
goto EIExit;
if (_lread(fh, (LPVOID)&NEHeader, SIZEOF(NEWEXEHDR)) != SIZEOF(NEWEXEHDR))
goto EIExit;
/* Is it a NEW EXE? */
if (NE_MAGIC(NEHeader) != NEMAGIC)
goto EIExit;
if ((NE_EXETYP(NEHeader) != NE_WINDOWS) &&
(NE_EXETYP(NEHeader) != NE_DEV386) &&
(NE_EXETYP(NEHeader) != NE_UNKNOWN)) /* Some Win2.X apps have NE_UNKNOWN in this field */
goto EIExit;
hIcon = NULL;
/* Are there any resources? */
if (NE_RSRCTAB(NEHeader) == NE_RESTAB(NEHeader))
goto EIExit;
/* Remember whether or not this is a Win3.0 EXE. */
bNewResFormat = (NEHeader.ne_expver >= VER);
/* Allocate space for the resource table. */
iTableSize = NE_RESTAB(NEHeader) - NE_RSRCTAB(NEHeader);
hResTable = GlobalAlloc(GMEM_ZEROINIT, (DWORD)iTableSize);
if (!hResTable)
goto EIExit;
/* Lock down the resource table. */
lpResTable = GlobalLock(hResTable);
if (!lpResTable) {
GlobalFree(hResTable);
goto EIExit;
}
/* Copy the resource table into memory. */
if (M_llseek(fh, (LONG)(lOffset + NE_RSRCTAB(NEHeader)), SEEK_FROMZERO) == -1)
goto EIErrExit;
if (_lread(fh, (LPBYTE)lpResTable, iTableSize) != (DWORD)iTableSize)
goto EIErrExit;
/* Is this a Win3.0 EXE? */
if (bNewResFormat) {
/* First, load the Icon directory. */
hIconDir = SimpleLoadResource(fh, lpResTable, (int)wIconIndex, (LPBYTE)RT_GROUP_ICON);
if (!hIconDir)
goto EIErrExit;
#ifdef ORGCODE
/* Get the index of the Icon which best matches the current display. */
nIconId = GetIconId(hIconDir, (LPBYTE)RT_ICON);
/* GetIconId() returns the id of the icon; But we need the index
* of the icon to call SimpleLoadResource(); IconId is the unique
* number given to each form of Icon and Cursor; Icon index is the index of the
* icon among all icons in the application;
*/
wIconIndex = (WORD)(GetResIndex(lpResTable, (int)nIconId, (LPBYTE)RT_ICON) - 1);
#else
lpIconDir = GlobalLock(hIconDir);
if (!lpIconDir) {
GlobalFree(hIconDir);
goto EIErrExit;
}
nIconId = LookupIconIdFromDirectory(lpIconDir, TRUE);
wIconIndex = (WORD)(GetResIndex(lpResTable, nIconId, (LPBYTE)RT_ICON) - 1);
GlobalUnlock(hIconDir);
#endif
/* We're finished with the icon directory. */
GlobalFree(hIconDir);
/* Now load the selected icon. */
*lphIconRes = SimpleLoadResource(fh, lpResTable, (int)wIconIndex, (LPBYTE)RT_ICON);
}
else {
/* Simply load the specified icon. */
*lphIconRes = SimpleLoadResource(fh, lpResTable, (int)wIconIndex, (LPBYTE)RT_ICON);
}
if (*lphIconRes) {
*lpwSize = (WORD)GlobalSize(*lphIconRes);
}
bFormatOK = TRUE;
EIErrExit:
GlobalUnlock(hResTable);
GlobalFree(hResTable);
break;
}
}
EIExit:
_lclose(fh);
hInst;
if (bFormatOK)
return (WORD)(bNewResFormat ? 3 : 2);
else
return 0;
}
WORD APIENTRY
ExtractIconResInfoA(
HANDLE hInst,
LPSTR lpszFileName,
WORD wIconIndex,
LPWORD lpwSize,
LPHANDLE lphIconRes)
{
if (lpszFileName) {
LPWSTR lpszFileNameW;
WORD wLen = lstrlenA(lpszFileName) + 1;
if (!(lpszFileNameW = (LPWSTR)LocalAlloc(LMEM_ZEROINIT, (wLen * SIZEOF(WCHAR))))) {
return(0);
} else {
WORD wRet;
MultiByteToWideChar(CP_ACP, 0, lpszFileName, -1, lpszFileNameW, wLen - 1);
wRet = ExtractIconResInfoW(hInst, lpszFileNameW, wIconIndex, lpwSize, lphIconRes);
LocalFree(lpszFileNameW);
return(wRet);
}
} else {
return(0);
}
}
LPCWSTR HasAnyExtension(LPCWSTR lpszPath)
{
LPCWSTR p;
for (p = lpszPath + lstrlenW(lpszPath);
p > lpszPath &&
*p != L'.' &&
*p != L'\\';
p--);
if (*p == L'.')
return p+1;
else
return NULL;
}
//
// in:
// lpIconPath path of thing to extract icon for (may be an exe
// or something that is associated)
// lpiIconIndex icon index to use
//
// out:
// lpIconPath filled in with the real path where the icon came from
// lpiIconIndex filled in with the real icon index
// lpiIconId filled in with the icon id
//
// returns:
// icon handle
//
// note: if the caller is progman it returns special icons from within progman
//
//
#if defined(WINNT)
#if defined(UNICODE)
HICON APIENTRY
ExtractAssociatedIconExW(
HINSTANCE hInst,
LPWSTR lpIconPath,
LPWORD lpiIconIndex,
LPWORD lpiIconId)
{
WCHAR wszExePath[MAX_PATH];
HICON hIcon;
UINT idIcon = (UINT)-1; // Don't know value
BOOL fAssociated = FALSE;
DebugMsg(DM_TRACE, TEXT("ExtractAssociatedIconExW(\"%s\")"), lpIconPath);
if ((INT)*lpiIconIndex == -1)
return (HICON)NULL;
Retry:
ExtractIcons(lpIconPath, *lpiIconIndex,
GetSystemMetrics(SM_CXICON),
GetSystemMetrics(SM_CYICON),
&hIcon, &idIcon, 1,
0);
if (hIcon == NULL)
{
wszExePath[0] = TEXT('\0');
FindExecutable(lpIconPath,NULL,wszExePath);
//
// If FindExecutable fails, or fAssociated
// is true, or FindExecutable returns the
// extact same filename it was looking for,
// then issue the default icon from progman.
//
if (!*wszExePath || fAssociated ||
(*wszExePath && (lstrcmpi(lpIconPath, wszExePath) == 0)))
{
LPTSTR lpId;
WORD wDefIconId;
HANDLE h;
LPVOID p;
//
// Magic values from NT's old progman
//
#define ITEMICON 7
#define DOSAPPICON 2
#define ITEMICONINDEX 6
#define DOSAPPICONINDEX 1
if ( *wszExePath && (HasExtension(wszExePath) == 0) )
{
//
// Generic Document icon processing
//
lpId = MAKEINTRESOURCE(ITEMICON);
wDefIconId = ITEMICONINDEX;
}
else
{
//
// Generic Program icon processing
//
lpId = MAKEINTRESOURCE(DOSAPPICON);
wDefIconId = DOSAPPICONINDEX;
}
GetModuleFileName(hInst, lpIconPath, CCHICONPATHMAXLEN);
/*
* Look up the icon id from the directory.
*/
if (NULL != (h = FindResource(hInst, lpId, RT_GROUP_ICON))) {
h = LoadResource(hInst, h);
p = LockResource(h);
*lpiIconId = (WORD)LookupIconIdFromDirectory(p, TRUE);
UnlockResource(h);
FreeResource(h);
}
*lpiIconIndex = wDefIconId;
return LoadIcon(hInst, lpId);
}
SheRemoveQuotes(wszExePath);
lstrcpy(lpIconPath,wszExePath);
fAssociated = TRUE;
goto Retry;
}
*lpiIconId = idIcon; // Fill in with whatever we've found (or -1)
return hIcon;
}
#else // defined(UNICODE)
HICON APIENTRY
ExtractAssociatedIconExW(
HINSTANCE hInst,
LPWSTR lpIconPath,
LPWORD lpiIconIndex,
LPWORD lpiIconId)
{
HICON hIcon = NULL;
WCHAR szIconExe[MAX_PATH];
HANDLE hIconList = NULL;
LPMYICONINFO lpIconList;
HANDLE h;
PBYTE p;
DWORD dwBinaryType;
BOOL bRet;
int cIcons;
#define ITEMICON 7 // taken from progman!
#define DOSAPPICON 2
#define ITEMICONINDEX 6
#define DOSAPPICONINDEX 1
if (!lpIconPath) {
return(NULL);
}
FreeExtractIconInfo(-1);
hIcon = ExtractIconW(hInst, lpIconPath, (UINT)*lpiIconIndex);
if (!hIcon) {
// lpIconPath is a windows EXE, no icons found
GenericDocument:
FreeExtractIconInfo(-1);
GetModuleFileNameW(hInst, lpIconPath, CCHICONPATHMAXLEN);
/*
* Look up the icon id from the directory.
*/
if (NULL != (h = FindResource(hInst, MAKEINTRESOURCE(ITEMICON), RT_GROUP_ICON))) {
// BUGBUG handle failures here
h = LoadResource(hInst, h);
p = LockResource(h);
*lpiIconId = (WORD)LookupIconIdFromDirectory(p, TRUE);
UnlockResource(h);
FreeResource(h);
}
*lpiIconIndex = ITEMICONINDEX;
return LoadIcon(hInst, MAKEINTRESOURCE(ITEMICON));
}
if ((int)hIcon == 1) {
// lpIconPath is not a windows EXE
// this fills in szIconExe with the thing that would be exected
// for lpIconPath (applying associations)
FindExecutableW(lpIconPath, NULL, szIconExe);
if (!*szIconExe) {
// not associated, assume things with extension are
// programs, things without are documents
if (!HasAnyExtension(lpIconPath))
goto GenericDocument;
else
goto GenericProgram;
}
//
// If FindExecutable returned an icon path with quotes, we must
// remove them because ExtractIcon fails with quoted paths.
//
SheRemoveQuotesW(szIconExe);
lstrcpyW(lpIconPath, szIconExe);
if (!HasAnyExtension(lpIconPath))
lstrcatW(lpIconPath, L".EXE");
hIcon = ExtractIconW(hInst, lpIconPath, (UINT)*lpiIconIndex);
if (!hIcon)
goto GenericDocument;
if ((int)hIcon == 1) {
// this is a DOS exe
GenericProgram:
FreeExtractIconInfo(-1);
GetModuleFileNameW(hInst, lpIconPath, CCHICONPATHMAXLEN);
/*
* Look up the icon id from the directory.
*/
if (NULL != (h = FindResource(hInst, MAKEINTRESOURCE(DOSAPPICON), RT_GROUP_ICON))) {
// BUGBUG handle failures here
h = LoadResource(hInst, h);
p = LockResource(h);
*lpiIconId = (WORD)LookupIconIdFromDirectory(p, TRUE);
UnlockResource(h);
FreeResource(h);
}
*lpiIconIndex = DOSAPPICONINDEX;
return LoadIcon(hInst, MAKEINTRESOURCE(DOSAPPICON));
}
else {
goto GotIcon;
}
}
else {
#ifdef WIN32
GotIcon:
bRet = GetBinaryTypeW(lpIconPath, &dwBinaryType);
if (bRet) {
if (dwBinaryType != SCS_32BIT_BINARY) {
*lpiIconId = *lpiIconIndex;
return(hIcon);
}
}
ExtractIconW(hInst, lpIconPath, (UINT)-1);
if (NULL == (hIconList = ExtractIconInfo.hIconList))
return hIcon;
// since the icon exe is a WIN32 app, then we must update *lpiIcon.
if (NULL != (hIconList = InternalExtractIconListW(hInst, lpIconPath, &cIcons))) {
if (NULL != (lpIconList = (LPMYICONINFO)GlobalLock(hIconList))) {
hIcon = (lpIconList + *lpiIconIndex)->hIcon;
*lpiIconId = (lpIconList + *lpiIconIndex)->iIconId;
GlobalUnlock(hIconList);
}
FreeIconList(hIconList, *lpiIconIndex);
return(hIcon);
}
#endif
}
return hIcon;
}
#endif
#endif
HICON APIENTRY
ExtractAssociatedIconExA(
HINSTANCE hInst,
LPSTR lpIconPath,
LPWORD lpiIconIndex,
LPWORD lpiIconId)
{
HICON hIcon = NULL;
if (lpIconPath) {
BOOL fDefCharUsed;
WCHAR IconPathW[MAX_PATH] = L"";
MultiByteToWideChar(CP_ACP, 0, lpIconPath, -1 , (LPWSTR)IconPathW,
MAX_PATH);
hIcon = ExtractAssociatedIconExW(hInst, (LPWSTR)IconPathW, lpiIconIndex, lpiIconId);
try {
WideCharToMultiByte(CP_ACP, 0, (LPWSTR)IconPathW, -1, lpIconPath, CCHICONPATHMAXLEN,
NULL, &fDefCharUsed);
} except(EXCEPTION_EXECUTE_HANDLER) {
hIcon = NULL;
}
}
return(hIcon);
}
//
// in:
// lpIconPath path of thing to extract icon for (may be an exe
// or something that is associated)
// lpiIcon icon index to use
//
// out:
// lpIconPath filled in with the real path where the icon came from
// lpiIcon filled in with the real icon index
//
// returns:
// icon handle
//
// note: if the caller is progman it returns special icons from within progman
//
//
#ifndef UNICODE // BUGBUG - BobDay - This function should be removed
HICON APIENTRY
ExtractAssociatedIconW(
HINSTANCE hInst,
LPWSTR lpIconPath,
LPWORD lpiIconId)
{
WORD wIconIndex;
wIconIndex = *lpiIconId;
return ExtractAssociatedIconExW(hInst, lpIconPath, &wIconIndex, lpiIconId);
}
#endif
#ifdef UNICODE
HICON APIENTRY
ExtractAssociatedIconA(
HINSTANCE hInst,
LPSTR lpIconPath,
LPWORD lpiIcon)
{
HICON hIcon = NULL;
if (lpIconPath) {
BOOL fDefCharUsed;
WCHAR IconPathW[MAX_PATH] = L"";
MultiByteToWideChar(CP_ACP, 0, lpIconPath, -1 , (LPWSTR)IconPathW,
MAX_PATH);
hIcon = ExtractAssociatedIconW(hInst, (LPWSTR)IconPathW, lpiIcon);
try {
WideCharToMultiByte(CP_ACP, 0, (LPWSTR)IconPathW, -1, lpIconPath, CCHICONPATHMAXLEN,
NULL, &fDefCharUsed);
} except(EXCEPTION_EXECUTE_HANDLER) {
hIcon = NULL;
}
}
return(hIcon);
}
#endif