Windows NT 4.0 source code leak
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/*++
Copyright (c) 1995 Microsoft Corporation
Module Name:
link.c
Abstract:
This file implements the code to save to a link file.
Author:
Rick Turner (RickTu) Sep-12-1995
--*/
#include "precomp.h"
#pragma hdrstop
#include <shlobj.h>
#include "shlobjp.h"
#include <initguid.h>
#include <oleguid.h>
#include <shlguid.h>
#define LPITEMIDLIST DWORD
#define PLINKINFO LPVOID
#include "shlink.h"
void Link_AddExtraDataSection( CShellLink *this, DWORD UNALIGNED * lpData );
void Link_RemoveExtraDataSection( CShellLink *this, DWORD dwSig );
STDAPI SHCoCreateInstance(LPCTSTR pszCLSID, const CLSID * pclsid,
LPUNKNOWN pUnkOuter, REFIID riid, LPVOID FAR* ppv);
int WINAPI StrToOleStr(LPOLESTR pwsz, LPCTSTR psz);
// returns a pointer to the extension of a file.
//
// in:
// qualified or unqualfied file name
//
// returns:
// pointer to the extension of this file. if there is no extension
// as in "foo" we return a pointer to the NULL at the end
// of the file
//
// foo.txt ==> ".txt"
// foo ==> ""
// foo. ==> "."
//
LPTSTR WINAPI PathFindExtension(LPCTSTR pszPath)
{
LPCTSTR pszDot;
for (pszDot = NULL; *pszPath; pszPath = CharNext(pszPath))
{
switch (*pszPath) {
case TEXT('.'):
pszDot = pszPath; // remember the last dot
break;
case TEXT('\\'):
case TEXT(' '): // extensions can't have spaces
pszDot = NULL; // forget last dot, it was in a directory
break;
}
}
// if we found the extension, return ptr to the dot, else
// ptr to end of the string (NULL extension) (cast->non const)
return pszDot ? (LPTSTR)pszDot : (LPTSTR)pszPath;
}
BOOL PathIsLink(LPCTSTR szFile)
{
return lstrcmpi(TEXT(".lnk"), PathFindExtension(szFile)) == 0;
}
BOOL
WereWeStartedFromALnk()
{
STARTUPINFO si;
GetStartupInfo( &si );
// Check to make sure we were started from a link
if (si.dwFlags & STARTF_TITLEISLINKNAME)
{
if (PathIsLink(si.lpTitle))
return TRUE;
}
return FALSE;
}
BOOL
SetLinkValues(
PCONSOLE_STATE_INFO pStateInfo
)
/*++
Routine Description:
This routine writes values to the link file that spawned this console
window. The link file name is still in the startinfo structure.
Arguments:
pStateInfo - pointer to structure containing information
Return Value:
none
--*/
{
STARTUPINFO si;
IShellLink * psl;
IPersistFile * ppf;
NT_CONSOLE_PROPS props;
CShellLink *this;
BOOL bRet;
GetStartupInfo( &si );
// Check to make sure we were started from a link
if (!(si.dwFlags & STARTF_TITLEISLINKNAME) )
return FALSE;
// Make sure we are dealing w/a link file
if (!PathIsLink(si.lpTitle))
return FALSE;
// Ok, load the link so we can modify it...
if (FAILED(SHCoCreateInstance( NULL, &CLSID_ShellLink, NULL, &IID_IShellLink, &psl )))
return FALSE;
if (SUCCEEDED(psl->lpVtbl->QueryInterface(psl, &IID_IPersistFile, &ppf)))
{
WCHAR wszPath[ MAX_PATH ];
StrToOleStr(wszPath, si.lpTitle );
if (FAILED(ppf->lpVtbl->Load(ppf, wszPath, 0)))
{
ppf->lpVtbl->Release(ppf);
psl->lpVtbl->Release(psl);
return FALSE;
}
}
// Now the link is loaded, generate new console settings section to replace
// the one in the link.
props.cbSize = sizeof(props);
props.dwSignature = NT_CONSOLE_PROPS_SIG;
props.wFillAttribute = pStateInfo->ScreenAttributes;
props.wPopupFillAttribute = pStateInfo->PopupAttributes;
props.dwScreenBufferSize = pStateInfo->ScreenBufferSize;
props.dwWindowSize = pStateInfo->WindowSize;
props.dwWindowOrigin.X = pStateInfo->WindowPosX;
props.dwWindowOrigin.Y = pStateInfo->WindowPosY;
props.nFont = 0;
props.nInputBufferSize = 0;
props.dwFontSize = pStateInfo->FontSize;
props.uFontFamily = pStateInfo->FontFamily;
props.uFontWeight = pStateInfo->FontWeight;
CopyMemory( props.FaceName, pStateInfo->FaceName, sizeof(props.FaceName) );
props.uCursorSize = pStateInfo->CursorSize;
props.bFullScreen = pStateInfo->FullScreen;
props.bQuickEdit = pStateInfo->QuickEdit;
props.bInsertMode = pStateInfo->InsertMode;
props.bAutoPosition = pStateInfo->AutoPosition;
props.uHistoryBufferSize = pStateInfo->HistoryBufferSize;
props.uNumberOfHistoryBuffers = pStateInfo->NumberOfHistoryBuffers;
props.bHistoryNoDup = pStateInfo->HistoryNoDup;
CopyMemory( props.ColorTable, pStateInfo->ColorTable, sizeof(props.ColorTable) );
this = IToClass(CShellLink, sl, psl);
Link_RemoveExtraDataSection( this, NT_CONSOLE_PROPS_SIG );
Link_AddExtraDataSection( this, (DWORD UNALIGNED *)&props );
bRet = SUCCEEDED(ppf->lpVtbl->Save( ppf, NULL, TRUE ));
ppf->lpVtbl->Release(ppf);
psl->lpVtbl->Release(psl);
return bRet;
}