Sweden-Number/dlls/shell32/shlexec.c

1405 lines
44 KiB
C

/*
* Shell Library Functions
*
* Copyright 1998 Marcus Meissner
* Copyright 2002 Eric Pouech
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include "wine/port.h"
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <stdio.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include <ctype.h>
#include <assert.h>
#include "windef.h"
#include "winbase.h"
#include "winerror.h"
#include "winreg.h"
#include "wownt32.h"
#include "shellapi.h"
#include "wingdi.h"
#include "winuser.h"
#include "shlobj.h"
#include "shlwapi.h"
#include "ddeml.h"
#include "wine/winbase16.h"
#include "shell32_main.h"
#include "undocshell.h"
#include "pidl.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(exec);
static const WCHAR wszOpen[] = {'o','p','e','n',0};
static const WCHAR wszExe[] = {'.','e','x','e',0};
static const WCHAR wszILPtr[] = {':','%','p',0};
static const WCHAR wszShell[] = {'\\','s','h','e','l','l','\\',0};
static const WCHAR wszFolder[] = {'F','o','l','d','e','r',0};
static const WCHAR wszEmpty[] = {0};
/***********************************************************************
* SHELL_ArgifyW [Internal]
*
* this function is supposed to expand the escape sequences found in the registry
* some diving reported that the following were used:
* + %1, %2... seem to report to parameter of index N in ShellExecute pmts
* %1 file
* %2 printer
* %3 driver
* %4 port
* %I address of a global item ID (explorer switch /idlist)
* %L seems to be %1 as long filename followed by the 8+3 variation
* %S ???
* %* all following parameters (see batfile)
*
* FIXME: use 'len'
*/
static BOOL SHELL_ArgifyW(WCHAR* out, int len, const WCHAR* fmt, const WCHAR* lpFile, LPITEMIDLIST pidl, LPCWSTR args)
{
WCHAR xlpFile[1024];
BOOL done = FALSE;
PWSTR res = out;
PCWSTR cmd;
LPVOID pv;
TRACE("%p, %d, %s, %s, %p, %p\n", out, len, debugstr_w(fmt),
debugstr_w(lpFile), pidl, args);
while (*fmt)
{
if (*fmt == '%')
{
switch (*++fmt)
{
case '\0':
case '%':
*res++ = '%';
break;
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
case '0':
case '*':
if (args)
{
if (*fmt == '*')
{
*res++ = '"';
while(*args)
*res++ = *args++;
*res++ = '"';
}
else
{
while(*args && !isspace(*args))
*res++ = *args++;
while(isspace(*args))
++args;
}
break;
}
/* else fall through */
case '1':
if (!done || (*fmt == '1'))
{
/*FIXME Is the call to SearchPathW() really needed? We already have separated out the parameter string in args. */
if (SearchPathW(NULL, lpFile, wszExe, sizeof(xlpFile)/sizeof(WCHAR), xlpFile, NULL))
cmd = xlpFile;
else
cmd = lpFile;
/* Add double quotation marks unless we already have them (e.g.: "file://%1" %* for exefile) */
if (res == out || *(fmt + 1) != '"')
{
*res++ = '"';
strcpyW(res, cmd);
res += strlenW(cmd);
*res++ = '"';
}
else
{
strcpyW(res, cmd);
res += strlenW(cmd);
}
}
break;
/*
* IE uses this a lot for activating things such as windows media
* player. This is not verified to be fully correct but it appears
* to work just fine.
*/
case 'l':
case 'L':
if (lpFile) {
strcpyW(res, lpFile);
res += strlenW(lpFile);
}
break;
case 'i':
case 'I':
if (pidl) {
HGLOBAL hmem = SHAllocShared(pidl, ILGetSize(pidl), 0);
pv = SHLockShared(hmem, 0);
res += sprintfW(res, wszILPtr, pv);
SHUnlockShared(pv);
}
break;
default: FIXME("Unknown escape sequence %%%c\n", *fmt);
}
fmt++;
done = TRUE;
}
else
*res++ = *fmt++;
}
*res = '\0';
return done;
}
HRESULT SHELL_GetPathFromIDListForExecuteA(LPCITEMIDLIST pidl, LPSTR pszPath, UINT uOutSize)
{
STRRET strret;
IShellFolder* desktop;
HRESULT hr = SHGetDesktopFolder(&desktop);
if (SUCCEEDED(hr)) {
hr = IShellFolder_GetDisplayNameOf(desktop, pidl, SHGDN_FORPARSING, &strret);
if (SUCCEEDED(hr))
StrRetToStrNA(pszPath, uOutSize, &strret, pidl);
IShellFolder_Release(desktop);
}
return hr;
}
HRESULT SHELL_GetPathFromIDListForExecuteW(LPCITEMIDLIST pidl, LPWSTR pszPath, UINT uOutSize)
{
STRRET strret;
IShellFolder* desktop;
HRESULT hr = SHGetDesktopFolder(&desktop);
if (SUCCEEDED(hr)) {
hr = IShellFolder_GetDisplayNameOf(desktop, pidl, SHGDN_FORPARSING, &strret);
if (SUCCEEDED(hr))
StrRetToStrNW(pszPath, uOutSize, &strret, pidl);
IShellFolder_Release(desktop);
}
return hr;
}
/*************************************************************************
* SHELL_ResolveShortCutW [Internal]
* read shortcut file at 'wcmd'
*/
static HRESULT SHELL_ResolveShortCutW(LPWSTR wcmd, LPWSTR wargs, LPWSTR wdir, HWND hwnd, LPCWSTR lpVerb, int* pshowcmd, LPITEMIDLIST* ppidl)
{
IShellFolder* psf;
HRESULT hr = SHGetDesktopFolder(&psf);
*ppidl = NULL;
if (SUCCEEDED(hr)) {
LPITEMIDLIST pidl;
ULONG l;
hr = IShellFolder_ParseDisplayName(psf, 0, 0, wcmd, &l, &pidl, 0);
if (SUCCEEDED(hr)) {
IShellLinkW* psl;
hr = IShellFolder_GetUIObjectOf(psf, NULL, 1, (LPCITEMIDLIST*)&pidl, &IID_IShellLinkW, NULL, (LPVOID*)&psl);
if (SUCCEEDED(hr)) {
hr = IShellLinkW_Resolve(psl, hwnd, 0);
if (SUCCEEDED(hr)) {
hr = IShellLinkW_GetPath(psl, wcmd, MAX_PATH, NULL, SLGP_UNCPRIORITY);
if (SUCCEEDED(hr)) {
if (!*wcmd) {
/* We could not translate the PIDL in the shell link into a valid file system path - so return the PIDL instead. */
hr = IShellLinkW_GetIDList(psl, ppidl);
if (SUCCEEDED(hr) && *ppidl) {
/* We got a PIDL instead of a file system path - try to translate it. */
if (SUCCEEDED(SHELL_GetPathFromIDListW(*ppidl, wcmd, MAX_PATH))) {
SHFree(*ppidl);
*ppidl = NULL;
}
}
}
if (SUCCEEDED(hr)) {
/* get command line arguments, working directory and display mode if available */
IShellLinkW_GetWorkingDirectory(psl, wdir, MAX_PATH);
IShellLinkW_GetArguments(psl, wargs, MAX_PATH);
IShellLinkW_GetShowCmd(psl, pshowcmd);
}
}
}
IShellLinkW_Release(psl);
}
SHFree(pidl);
}
IShellFolder_Release(psf);
}
return hr;
}
/*************************************************************************
* SHELL_ExecuteW [Internal]
*
*/
static UINT SHELL_ExecuteW(const WCHAR *lpCmd, WCHAR *env, BOOL shWait,
LPSHELLEXECUTEINFOW psei, LPSHELLEXECUTEINFOW psei_out)
{
STARTUPINFOW startup;
PROCESS_INFORMATION info;
UINT retval = 31;
UINT gcdret = 0;
WCHAR curdir[MAX_PATH];
TRACE("Execute %s from directory %s\n", debugstr_w(lpCmd), debugstr_w(psei->lpDirectory));
/* ShellExecute specifies the command from psei->lpDirectory
* if present. Not from the current dir as CreateProcess does */
if( psei->lpDirectory && psei->lpDirectory[0] )
if( ( gcdret = GetCurrentDirectoryW( MAX_PATH, curdir)))
if( !SetCurrentDirectoryW( psei->lpDirectory))
ERR("cannot set directory %s\n", debugstr_w(psei->lpDirectory));
ZeroMemory(&startup,sizeof(STARTUPINFOW));
startup.cb = sizeof(STARTUPINFOW);
startup.dwFlags = STARTF_USESHOWWINDOW;
startup.wShowWindow = psei->nShow;
if (CreateProcessW(NULL, (LPWSTR)lpCmd, NULL, NULL, FALSE, CREATE_UNICODE_ENVIRONMENT,
env, *psei->lpDirectory? psei->lpDirectory: NULL, &startup, &info))
{
/* Give 30 seconds to the app to come up, if desired. Probably only needed
when starting app immediately before making a DDE connection. */
if (shWait)
if (WaitForInputIdle( info.hProcess, 30000 ) == WAIT_FAILED)
WARN("WaitForInputIdle failed: Error %ld\n", GetLastError() );
retval = 33;
if (psei->fMask & SEE_MASK_NOCLOSEPROCESS)
psei_out->hProcess = info.hProcess;
else
CloseHandle( info.hProcess );
CloseHandle( info.hThread );
}
else if ((retval = GetLastError()) >= 32)
{
FIXME("Strange error set by CreateProcess: %d\n", retval);
retval = ERROR_BAD_FORMAT;
}
TRACE("returning %u\n", retval);
psei_out->hInstApp = (HINSTANCE)retval;
if( gcdret )
if( !SetCurrentDirectoryW( curdir))
ERR("cannot return to directory %s\n", debugstr_w(curdir));
return retval;
}
/***********************************************************************
* SHELL_BuildEnvW [Internal]
*
* Build the environment for the new process, adding the specified
* path to the PATH variable. Returned pointer must be freed by caller.
*/
static void *SHELL_BuildEnvW( const WCHAR *path )
{
static const WCHAR wPath[] = {'P','A','T','H','=',0};
WCHAR *strings, *new_env;
WCHAR *p, *p2;
int total = strlenW(path) + 1;
BOOL got_path = FALSE;
if (!(strings = GetEnvironmentStringsW())) return NULL;
p = strings;
while (*p)
{
int len = strlenW(p) + 1;
if (!strncmpiW( p, wPath, 5 )) got_path = TRUE;
total += len;
p += len;
}
if (!got_path) total += 5; /* we need to create PATH */
total++; /* terminating null */
if (!(new_env = HeapAlloc( GetProcessHeap(), 0, total * sizeof(WCHAR) )))
{
FreeEnvironmentStringsW( strings );
return NULL;
}
p = strings;
p2 = new_env;
while (*p)
{
int len = strlenW(p) + 1;
memcpy( p2, p, len * sizeof(WCHAR) );
if (!strncmpiW( p, wPath, 5 ))
{
p2[len - 1] = ';';
strcpyW( p2 + len, path );
p2 += strlenW(path) + 1;
}
p += len;
p2 += len;
}
if (!got_path)
{
strcpyW( p2, wPath );
strcatW( p2, path );
p2 += strlenW(p2) + 1;
}
*p2 = 0;
FreeEnvironmentStringsW( strings );
return new_env;
}
/***********************************************************************
* SHELL_TryAppPathW [Internal]
*
* Helper function for SHELL_FindExecutable
* @param lpResult - pointer to a buffer of size MAX_PATH
* On entry: szName is a filename (probably without path separators).
* On exit: if szName found in "App Path", place full path in lpResult, and return true
*/
static BOOL SHELL_TryAppPathW( LPCWSTR szName, LPWSTR lpResult, WCHAR **env)
{
static const WCHAR wszKeyAppPaths[] = {'S','o','f','t','w','a','r','e','\\','M','i','c','r','o','s','o','f','t','\\','W','i','n','d','o','w','s',
'\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\','A','p','p',' ','P','a','t','h','s','\\',0};
static const WCHAR wPath[] = {'P','a','t','h',0};
HKEY hkApp = 0;
WCHAR buffer[1024];
LONG len;
LONG res;
BOOL found = FALSE;
if (env) *env = NULL;
strcpyW(buffer, wszKeyAppPaths);
strcatW(buffer, szName);
res = RegOpenKeyExW(HKEY_LOCAL_MACHINE, buffer, 0, KEY_READ, &hkApp);
if (res) goto end;
len = MAX_PATH*sizeof(WCHAR);
res = RegQueryValueW(hkApp, NULL, lpResult, &len);
if (res) goto end;
found = TRUE;
if (env)
{
DWORD count = sizeof(buffer);
if (!RegQueryValueExW(hkApp, wPath, NULL, NULL, (LPBYTE)buffer, &count) && buffer[0])
*env = SHELL_BuildEnvW( buffer );
}
end:
if (hkApp) RegCloseKey(hkApp);
return found;
}
static UINT SHELL_FindExecutableByOperation(LPCWSTR lpPath, LPCWSTR lpFile, LPCWSTR lpOperation, LPWSTR key, LPWSTR filetype, LPWSTR command, LONG commandlen)
{
static const WCHAR wCommand[] = {'\\','c','o','m','m','a','n','d',0};
/* Looking for ...buffer\shell\<verb>\command */
strcatW(filetype, wszShell);
strcatW(filetype, lpOperation);
strcatW(filetype, wCommand);
if (RegQueryValueW(HKEY_CLASSES_ROOT, filetype, command,
&commandlen) == ERROR_SUCCESS)
{
commandlen /= sizeof(WCHAR);
if (key) strcpyW(key, filetype);
#if 0
LPWSTR tmp;
WCHAR param[256];
LONG paramlen = sizeof(param);
static const WCHAR wSpace[] = {' ',0};
/* FIXME: it seems all Windows version don't behave the same here.
* the doc states that this ddeexec information can be found after
* the exec names.
* on Win98, it doesn't appear, but I think it does on Win2k
*/
/* Get the parameters needed by the application
from the associated ddeexec key */
tmp = strstrW(filetype, wCommand);
tmp[0] = '\0';
strcatW(filetype, wDdeexec);
if (RegQueryValueW(HKEY_CLASSES_ROOT, filetype, param,
&paramlen) == ERROR_SUCCESS)
{
paramlen /= sizeof(WCHAR);
strcatW(command, wSpace);
strcatW(command, param);
commandlen += paramlen;
}
#endif
command[commandlen] = '\0';
return 33; /* FIXME see SHELL_FindExecutable() */
}
return 31; /* default - 'No association was found' */
}
/*************************************************************************
* SHELL_FindExecutable [Internal]
*
* Utility for code sharing between FindExecutable and ShellExecute
* in:
* lpFile the name of a file
* lpOperation the operation on it (open)
* out:
* lpResult a buffer, big enough :-(, to store the command to do the
* operation on the file
* key a buffer, big enough, to get the key name to do actually the
* command (it'll be used afterwards for more information
* on the operation)
*/
UINT SHELL_FindExecutable(LPCWSTR lpPath, LPCWSTR lpFile, LPCWSTR lpOperation,
LPWSTR lpResult, int resultLen, LPWSTR key, WCHAR **env, LPITEMIDLIST pidl, LPCWSTR args)
{
static const WCHAR wWindows[] = {'w','i','n','d','o','w','s',0};
static const WCHAR wPrograms[] = {'p','r','o','g','r','a','m','s',0};
static const WCHAR wExtensions[] = {'e','x','e',' ','p','i','f',' ','b','a','t',' ','c','m','d',' ','c','o','m',0};
WCHAR *extension = NULL; /* pointer to file extension */
WCHAR filetype[256]; /* registry name for this filetype */
LONG filetypelen = sizeof(filetype); /* length of above */
WCHAR command[1024]; /* command from registry */
WCHAR wBuffer[256]; /* Used to GetProfileString */
UINT retval = 31; /* default - 'No association was found' */
WCHAR *tok; /* token pointer */
WCHAR xlpFile[256]; /* result of SearchPath */
DWORD attribs; /* file attributes */
TRACE("%s\n", (lpFile != NULL) ? debugstr_w(lpFile) : "-");
xlpFile[0] = '\0';
lpResult[0] = '\0'; /* Start off with an empty return string */
if (key) *key = '\0';
/* trap NULL parameters on entry */
if ((lpFile == NULL) || (lpResult == NULL) || (lpOperation == NULL))
{
WARN("(lpFile=%s,lpResult=%s,lpOperation=%s): NULL parameter\n",
debugstr_w(lpFile), debugstr_w(lpOperation), debugstr_w(lpResult));
return 2; /* File not found. Close enough, I guess. */
}
if (SHELL_TryAppPathW( lpFile, lpResult, env ))
{
TRACE("found %s via App Paths\n", debugstr_w(lpResult));
return 33;
}
if (SearchPathW(lpPath, lpFile, wszExe, sizeof(xlpFile)/sizeof(WCHAR), xlpFile, NULL))
{
TRACE("SearchPathW returned non-zero\n");
lpFile = xlpFile;
/* Hey, isn't this value ignored? Why make this call? Shouldn't we return here? --dank*/
}
attribs = GetFileAttributesW(lpFile);
if (attribs!=INVALID_FILE_ATTRIBUTES && (attribs&FILE_ATTRIBUTE_DIRECTORY))
{
strcpyW(filetype, wszFolder);
filetypelen = 6; /* strlen("Folder") */
}
else
{
/* First thing we need is the file's extension */
extension = strrchrW(xlpFile, '.'); /* Assume last "." is the one; */
/* File->Run in progman uses */
/* .\FILE.EXE :( */
TRACE("xlpFile=%s,extension=%s\n", debugstr_w(xlpFile), debugstr_w(extension));
if (extension == NULL || extension[1]==0)
{
WARN("Returning 31 - No association\n");
return 31; /* no association */
}
/* Three places to check: */
/* 1. win.ini, [windows], programs (NB no leading '.') */
/* 2. Registry, HKEY_CLASS_ROOT\<filetype>\shell\open\command */
/* 3. win.ini, [extensions], extension (NB no leading '.' */
/* All I know of the order is that registry is checked before */
/* extensions; however, it'd make sense to check the programs */
/* section first, so that's what happens here. */
/* See if it's a program - if GetProfileString fails, we skip this
* section. Actually, if GetProfileString fails, we've probably
* got a lot more to worry about than running a program... */
if (GetProfileStringW(wWindows, wPrograms, wExtensions, wBuffer, sizeof(wBuffer)/sizeof(WCHAR)) > 0)
{
CharLowerW(wBuffer);
tok = wBuffer;
while (*tok)
{
WCHAR *p = tok;
while (*p && *p != ' ' && *p != '\t') p++;
if (*p)
{
*p++ = 0;
while (*p == ' ' || *p == '\t') p++;
}
if (strcmpiW(tok, &extension[1]) == 0) /* have to skip the leading "." */
{
strcpyW(lpResult, xlpFile);
/* Need to perhaps check that the file has a path
* attached */
TRACE("found %s\n", debugstr_w(lpResult));
return 33;
/* Greater than 32 to indicate success FIXME According to the
* docs, I should be returning a handle for the
* executable. Does this mean I'm supposed to open the
* executable file or something? More RTFM, I guess... */
}
tok = p;
}
}
/* Check registry */
if (RegQueryValueW(HKEY_CLASSES_ROOT, extension, filetype,
&filetypelen) == ERROR_SUCCESS)
{
filetypelen /= sizeof(WCHAR);
filetype[filetypelen] = '\0';
TRACE("File type: %s\n", debugstr_w(filetype));
}
}
if (*filetype)
{
if (lpOperation)
{
/* pass the operation string to SHELL_FindExecutableByOperation() */
filetype[filetypelen] = '\0';
retval = SHELL_FindExecutableByOperation(lpPath, lpFile, lpOperation, key, filetype, command, sizeof(command));
}
else
{
WCHAR operation[MAX_PATH];
HKEY hkey;
/* Looking for ...buffer\shell\<operation>\command */
strcatW(filetype, wszShell);
/* enumerate the operation subkeys in the registry and search for one with an associated command */
if (RegOpenKeyW(HKEY_CLASSES_ROOT, filetype, &hkey) == ERROR_SUCCESS)
{
int idx = 0;
for(;; ++idx)
{
if (RegEnumKeyW(hkey, idx, operation, MAX_PATH) != ERROR_SUCCESS)
break;
filetype[filetypelen] = '\0';
retval = SHELL_FindExecutableByOperation(lpPath, lpFile, operation, key, filetype, command, sizeof(command));
if (retval > 32)
break;
}
RegCloseKey(hkey);
}
}
if (retval > 32)
{
SHELL_ArgifyW(lpResult, resultLen, command, xlpFile, pidl, args);
/* Remove double quotation marks and command line arguments */
if (*lpResult == '"')
{
WCHAR *p = lpResult;
while (*(p + 1) != '"')
{
*p = *(p + 1);
p++;
}
*p = '\0';
}
}
}
else /* Check win.ini */
{
static const WCHAR wExtensions[] = {'e','x','t','e','n','s','i','o','n','s',0};
/* Toss the leading dot */
extension++;
if (GetProfileStringW(wExtensions, extension, wszEmpty, command, sizeof(command)/sizeof(WCHAR)) > 0)
{
if (strlenW(command) != 0)
{
strcpyW(lpResult, command);
tok = strchrW(lpResult, '^'); /* should be ^.extension? */
if (tok != NULL)
{
tok[0] = '\0';
strcatW(lpResult, xlpFile); /* what if no dir in xlpFile? */
tok = strchrW(command, '^'); /* see above */
if ((tok != NULL) && (strlenW(tok)>5))
{
strcatW(lpResult, &tok[5]);
}
}
retval = 33; /* FIXME - see above */
}
}
}
TRACE("returning %s\n", debugstr_w(lpResult));
return retval;
}
/******************************************************************
* dde_cb
*
* callback for the DDE connection. not really usefull
*/
static HDDEDATA CALLBACK dde_cb(UINT uType, UINT uFmt, HCONV hConv,
HSZ hsz1, HSZ hsz2, HDDEDATA hData,
ULONG_PTR dwData1, ULONG_PTR dwData2)
{
TRACE("dde_cb: %04x, %04x, %p, %p, %p, %p, %08lx, %08lx\n",
uType, uFmt, hConv, hsz1, hsz2, hData, dwData1, dwData2);
return NULL;
}
/******************************************************************
* dde_connect
*
* ShellExecute helper. Used to do an operation with a DDE connection
*
* Handles both the direct connection (try #1), and if it fails,
* launching an application and trying (#2) to connect to it
*
*/
static unsigned dde_connect(WCHAR* key, WCHAR* start, WCHAR* ddeexec,
const WCHAR* lpFile, WCHAR *env,
LPCWSTR szCommandline, LPITEMIDLIST pidl, SHELL_ExecuteW32 execfunc,
LPSHELLEXECUTEINFOW psei, LPSHELLEXECUTEINFOW psei_out)
{
static const WCHAR wApplication[] = {'\\','a','p','p','l','i','c','a','t','i','o','n',0};
static const WCHAR wTopic[] = {'\\','t','o','p','i','c',0};
WCHAR * endkey = key + strlenW(key);
WCHAR app[256], topic[256], ifexec[256], res[256];
LONG applen, topiclen, ifexeclen;
WCHAR * exec;
DWORD ddeInst = 0;
DWORD tid;
HSZ hszApp, hszTopic;
HCONV hConv;
HDDEDATA hDdeData;
unsigned ret = 31;
strcpyW(endkey, wApplication);
applen = sizeof(app);
if (RegQueryValueW(HKEY_CLASSES_ROOT, key, app, &applen) != ERROR_SUCCESS)
{
FIXME("default app name NIY %s\n", debugstr_w(key));
return 2;
}
strcpyW(endkey, wTopic);
topiclen = sizeof(topic);
if (RegQueryValueW(HKEY_CLASSES_ROOT, key, topic, &topiclen) != ERROR_SUCCESS)
{
static const WCHAR wSystem[] = {'S','y','s','t','e','m',0};
strcpyW(topic, wSystem);
}
if (DdeInitializeW(&ddeInst, dde_cb, APPCMD_CLIENTONLY, 0L) != DMLERR_NO_ERROR)
{
return 2;
}
hszApp = DdeCreateStringHandleW(ddeInst, app, CP_WINUNICODE);
hszTopic = DdeCreateStringHandleW(ddeInst, topic, CP_WINUNICODE);
hConv = DdeConnect(ddeInst, hszApp, hszTopic, NULL);
exec = ddeexec;
if (!hConv)
{
static const WCHAR wIfexec[] = {'\\','i','f','e','x','e','c',0};
TRACE("Launching '%s'\n", debugstr_w(start));
ret = execfunc(start, env, TRUE, psei, psei_out);
if (ret < 32)
{
TRACE("Couldn't launch\n");
goto error;
}
hConv = DdeConnect(ddeInst, hszApp, hszTopic, NULL);
if (!hConv)
{
TRACE("Couldn't connect. ret=%d\n", ret);
DdeUninitialize(ddeInst);
SetLastError(ERROR_DDE_FAIL);
return 30; /* whatever */
}
strcpyW(endkey, wIfexec);
ifexeclen = sizeof(ifexec);
if (RegQueryValueW(HKEY_CLASSES_ROOT, key, ifexec, &ifexeclen) == ERROR_SUCCESS)
{
exec = ifexec;
}
}
SHELL_ArgifyW(res, sizeof(res)/sizeof(WCHAR), exec, lpFile, pidl, szCommandline);
TRACE("%s %s => %s\n", debugstr_w(exec), debugstr_w(lpFile), debugstr_w(res));
/* It's documented in the KB 330337 that IE has a bug and returns
* error DMLERR_NOTPROCESSED on XTYP_EXECUTE request.
*/
hDdeData = DdeClientTransaction((LPBYTE)res, (strlenW(res) + 1) * sizeof(WCHAR), hConv, 0L, 0,
XTYP_EXECUTE, 10000, &tid);
if (hDdeData)
DdeFreeDataHandle(hDdeData);
else
WARN("DdeClientTransaction failed with error %04x\n", DdeGetLastError(ddeInst));
ret = 33;
DdeDisconnect(hConv);
error:
DdeUninitialize(ddeInst);
return ret;
}
/*************************************************************************
* execute_from_key [Internal]
*/
static UINT execute_from_key(LPWSTR key, LPCWSTR lpFile, WCHAR *env, LPCWSTR szCommandline,
SHELL_ExecuteW32 execfunc,
LPSHELLEXECUTEINFOW psei, LPSHELLEXECUTEINFOW psei_out)
{
WCHAR cmd[1024];
LONG cmdlen = sizeof(cmd);
UINT retval = 31;
cmd[0] = '\0';
/* Get the application for the registry */
if (RegQueryValueW(HKEY_CLASSES_ROOT, key, cmd, &cmdlen) == ERROR_SUCCESS)
{
static const WCHAR wCommand[] = {'c','o','m','m','a','n','d',0};
static const WCHAR wDdeexec[] = {'d','d','e','e','x','e','c',0};
LPWSTR tmp;
WCHAR param[256];
LONG paramlen = sizeof(param);
param[0] = '\0';
/* Get the parameters needed by the application
from the associated ddeexec key */
tmp = strstrW(key, wCommand);
assert(tmp);
strcpyW(tmp, wDdeexec);
if (RegQueryValueW(HKEY_CLASSES_ROOT, key, param, &paramlen) == ERROR_SUCCESS)
{
TRACE("Got ddeexec %s => %s\n", debugstr_w(key), debugstr_w(param));
retval = dde_connect(key, cmd, param, lpFile, env, szCommandline, psei->lpIDList, execfunc, psei, psei_out);
}
else
{
/* Is there a replace() function anywhere? */
cmdlen /= sizeof(WCHAR);
cmd[cmdlen] = '\0';
SHELL_ArgifyW(param, sizeof(param)/sizeof(WCHAR), cmd, lpFile, psei->lpIDList, szCommandline);
retval = execfunc(param, env, FALSE, psei, psei_out);
}
}
else TRACE("ooch\n");
return retval;
}
/*************************************************************************
* FindExecutableA [SHELL32.@]
*/
HINSTANCE WINAPI FindExecutableA(LPCSTR lpFile, LPCSTR lpDirectory, LPSTR lpResult)
{
HINSTANCE retval;
WCHAR *wFile = NULL, *wDirectory = NULL;
WCHAR wResult[MAX_PATH];
if (lpFile) __SHCloneStrAtoW(&wFile, lpFile);
if (lpDirectory) __SHCloneStrAtoW(&wDirectory, lpDirectory);
retval = FindExecutableW(wFile, wDirectory, wResult);
WideCharToMultiByte(CP_ACP, 0, wResult, -1, lpResult, MAX_PATH, NULL, NULL);
if (wFile) SHFree( wFile );
if (wDirectory) SHFree( wDirectory );
TRACE("returning %s\n", lpResult);
return (HINSTANCE)retval;
}
/*************************************************************************
* FindExecutableW [SHELL32.@]
*/
HINSTANCE WINAPI FindExecutableW(LPCWSTR lpFile, LPCWSTR lpDirectory, LPWSTR lpResult)
{
UINT retval = 31; /* default - 'No association was found' */
WCHAR old_dir[1024];
TRACE("File %s, Dir %s\n",
(lpFile != NULL ? debugstr_w(lpFile) : "-"), (lpDirectory != NULL ? debugstr_w(lpDirectory) : "-"));
lpResult[0] = '\0'; /* Start off with an empty return string */
/* trap NULL parameters on entry */
if ((lpFile == NULL) || (lpResult == NULL))
{
/* FIXME - should throw a warning, perhaps! */
return (HINSTANCE)2; /* File not found. Close enough, I guess. */
}
if (lpDirectory)
{
GetCurrentDirectoryW(sizeof(old_dir)/sizeof(WCHAR), old_dir);
SetCurrentDirectoryW(lpDirectory);
}
retval = SHELL_FindExecutable(lpDirectory, lpFile, wszOpen, lpResult, MAX_PATH, NULL, NULL, NULL, NULL);
TRACE("returning %s\n", debugstr_w(lpResult));
if (lpDirectory)
SetCurrentDirectoryW(old_dir);
return (HINSTANCE)retval;
}
/*************************************************************************
* ShellExecuteExW32 [Internal]
*/
BOOL WINAPI ShellExecuteExW32 (LPSHELLEXECUTEINFOW sei, SHELL_ExecuteW32 execfunc)
{
static const WCHAR wQuote[] = {'"',0};
static const WCHAR wSpace[] = {' ',0};
static const WCHAR wWww[] = {'w','w','w',0};
static const WCHAR wFile[] = {'f','i','l','e',0};
static const WCHAR wHttp[] = {'h','t','t','p',':','/','/',0};
static const WCHAR wExtLnk[] = {'.','l','n','k',0};
static const WCHAR wExplorer[] = {'e','x','p','l','o','r','e','r','.','e','x','e',0};
WCHAR wszApplicationName[MAX_PATH+2], wszParameters[1024], wszDir[MAX_PATH];
SHELLEXECUTEINFOW sei_tmp; /* modifiable copy of SHELLEXECUTEINFO struct */
WCHAR wfileName[MAX_PATH];
WCHAR *env;
WCHAR lpstrProtocol[256];
LPCWSTR lpFile;
UINT retval = 31;
WCHAR wcmd[1024];
WCHAR buffer[MAX_PATH];
const WCHAR* ext;
BOOL done;
/* make a local copy of the LPSHELLEXECUTEINFO structure and work with this from now on */
memcpy(&sei_tmp, sei, sizeof(sei_tmp));
TRACE("mask=0x%08lx hwnd=%p verb=%s file=%s parm=%s dir=%s show=0x%08x class=%s\n",
sei_tmp.fMask, sei_tmp.hwnd, debugstr_w(sei_tmp.lpVerb),
debugstr_w(sei_tmp.lpFile), debugstr_w(sei_tmp.lpParameters),
debugstr_w(sei_tmp.lpDirectory), sei_tmp.nShow,
(sei_tmp.fMask & SEE_MASK_CLASSNAME) ? debugstr_w(sei_tmp.lpClass) : "not used");
sei->hProcess = NULL;
/* make copies of all path/command strings */
if (sei_tmp.lpFile)
strcpyW(wszApplicationName, sei_tmp.lpFile);
else
*wszApplicationName = '\0';
if (sei_tmp.lpParameters)
strcpyW(wszParameters, sei_tmp.lpParameters);
else
*wszParameters = '\0';
if (sei_tmp.lpDirectory)
strcpyW(wszDir, sei_tmp.lpDirectory);
else
*wszDir = '\0';
/* adjust string pointers to point to the new buffers */
sei_tmp.lpFile = wszApplicationName;
sei_tmp.lpParameters = wszParameters;
sei_tmp.lpDirectory = wszDir;
if (sei_tmp.fMask & (SEE_MASK_INVOKEIDLIST | SEE_MASK_ICON | SEE_MASK_HOTKEY |
SEE_MASK_CONNECTNETDRV | SEE_MASK_FLAG_DDEWAIT |
SEE_MASK_DOENVSUBST | SEE_MASK_FLAG_NO_UI | SEE_MASK_UNICODE |
SEE_MASK_NO_CONSOLE | SEE_MASK_ASYNCOK | SEE_MASK_HMONITOR ))
{
FIXME("flags ignored: 0x%08lx\n", sei_tmp.fMask);
}
/* process the IDList */
if (sei_tmp.fMask & SEE_MASK_IDLIST)
{
IShellExecuteHookW* pSEH;
HRESULT hr = SHBindToParent(sei_tmp.lpIDList, &IID_IShellExecuteHookW, (LPVOID*)&pSEH, NULL);
if (SUCCEEDED(hr))
{
hr = IShellExecuteHookW_Execute(pSEH, sei);
IShellExecuteHookW_Release(pSEH);
if (hr == S_OK)
return TRUE;
}
wszApplicationName[0] = '"';
SHGetPathFromIDListW(sei_tmp.lpIDList, wszApplicationName+1);
strcatW(wszApplicationName, wQuote);
TRACE("-- idlist=%p (%s)\n", sei_tmp.lpIDList, debugstr_w(wszApplicationName));
}
if (sei_tmp.fMask & (SEE_MASK_CLASSNAME | SEE_MASK_CLASSKEY))
{
/* launch a document by fileclass like 'WordPad.Document.1' */
/* the Commandline contains 'c:\Path\wordpad.exe "%1"' */
/* FIXME: szCommandline should not be of a fixed size. Fixed to 1024, MAX_PATH is way too short! */
HCR_GetExecuteCommandW((sei_tmp.fMask & SEE_MASK_CLASSKEY) ? sei_tmp.hkeyClass : NULL,
(sei_tmp.fMask & SEE_MASK_CLASSNAME) ? sei_tmp.lpClass: NULL,
(sei_tmp.lpVerb) ? sei_tmp.lpVerb : wszOpen,
wszParameters, sizeof(wszParameters)/sizeof(WCHAR));
/* FIXME: get the extension of lpFile, check if it fits to the lpClass */
TRACE("SEE_MASK_CLASSNAME->'%s', doc->'%s'\n", debugstr_w(wszParameters), debugstr_w(wszApplicationName));
wcmd[0] = '\0';
done = SHELL_ArgifyW(wcmd, sizeof(wcmd)/sizeof(WCHAR), wszParameters, wszApplicationName, sei_tmp.lpIDList, NULL);
if (!done && wszApplicationName[0])
{
strcatW(wcmd, wSpace);
strcatW(wcmd, wszApplicationName);
}
retval = execfunc(wcmd, NULL, FALSE, &sei_tmp, sei);
if (retval > 32)
return TRUE;
else
return FALSE;
}
/* resolve shell shortcuts */
ext = PathFindExtensionW(sei_tmp.lpFile);
if (ext && !strcmpiW(ext, wExtLnk)) /* or check for: shell_attribs & SFGAO_LINK */
{
HRESULT hr;
/* expand paths before reading shell link */
if (ExpandEnvironmentStringsW(sei_tmp.lpFile, buffer, MAX_PATH))
lstrcpyW(wszApplicationName/*sei_tmp.lpFile*/, buffer);
if (*sei_tmp.lpParameters)
if (ExpandEnvironmentStringsW(sei_tmp.lpParameters, buffer, MAX_PATH))
lstrcpyW(wszParameters/*sei_tmp.lpParameters*/, buffer);
hr = SHELL_ResolveShortCutW((LPWSTR)sei_tmp.lpFile, (LPWSTR)sei_tmp.lpParameters, (LPWSTR)sei_tmp.lpDirectory,
sei_tmp.hwnd, sei_tmp.lpVerb?sei_tmp.lpVerb:wszEmpty, &sei_tmp.nShow, (LPITEMIDLIST*)&sei_tmp.lpIDList);
if (sei->lpIDList)
sei->fMask |= SEE_MASK_IDLIST;
if (SUCCEEDED(hr))
{
/* repeat IDList processing if needed */
if (sei_tmp.fMask & SEE_MASK_IDLIST)
{
IShellExecuteHookW* pSEH;
HRESULT hr = SHBindToParent(sei_tmp.lpIDList, &IID_IShellExecuteHookW, (LPVOID*)&pSEH, NULL);
if (SUCCEEDED(hr))
{
hr = IShellExecuteHookW_Execute(pSEH, sei);
IShellExecuteHookW_Release(pSEH);
if (hr == S_OK)
return TRUE;
}
TRACE("-- idlist=%p (%s)\n", debugstr_w(sei_tmp.lpIDList), debugstr_w(sei_tmp.lpFile));
}
}
}
/* Has the IDList not yet been translated? */
if (sei_tmp.fMask & SEE_MASK_IDLIST)
{
/* last chance to translate IDList: now also allow CLSID paths */
if (SUCCEEDED(SHELL_GetPathFromIDListForExecuteW(sei_tmp.lpIDList, buffer, sizeof(buffer)))) {
if (buffer[0]==':' && buffer[1]==':') {
/* open shell folder for the specified class GUID */
strcpyW(wszParameters, buffer);
strcpyW(wszApplicationName, wExplorer);
sei_tmp.fMask &= ~SEE_MASK_INVOKEIDLIST;
} else if (HCR_GetExecuteCommandW(0, wszFolder, sei_tmp.lpVerb?sei_tmp.lpVerb:wszOpen, buffer, sizeof(buffer))) {
SHELL_ArgifyW(wszApplicationName, sizeof(wszApplicationName)/sizeof(WCHAR), buffer, NULL, sei_tmp.lpIDList, NULL);
sei_tmp.fMask &= ~SEE_MASK_INVOKEIDLIST;
}
}
}
/* expand environment strings */
if (ExpandEnvironmentStringsW(sei_tmp.lpFile, buffer, MAX_PATH))
lstrcpyW(wszApplicationName, buffer);
if (*sei_tmp.lpParameters)
if (ExpandEnvironmentStringsW(sei_tmp.lpParameters, buffer, MAX_PATH))
lstrcpyW(wszParameters, buffer);
if (*sei_tmp.lpDirectory)
if (ExpandEnvironmentStringsW(sei_tmp.lpDirectory, buffer, MAX_PATH))
lstrcpyW(wszDir, buffer);
/* Else, try to execute the filename */
TRACE("execute:%s,%s,%s\n", debugstr_w(wszApplicationName), debugstr_w(wszParameters), debugstr_w(wszDir));
/* separate out command line arguments from executable file name */
if (!*sei_tmp.lpParameters) {
/* If the executable path is quoted, handle the rest of the command line as parameters. */
if (sei_tmp.lpFile[0] == '"') {
LPWSTR src = wszApplicationName/*sei_tmp.lpFile*/ + 1;
LPWSTR dst = wfileName;
LPWSTR end;
/* copy the unquoted executable path to 'wfileName' */
while(*src && *src!='"')
*dst++ = *src++;
*dst = '\0';
if (*src == '"') {
end = ++src;
while(isspace(*src))
++src;
} else
end = src;
/* copy the parameter string to 'wszParameters' */
strcpyW(wszParameters, src);
/* terminate previous command string after the quote character */
*end = '\0';
}
else
{
/* If the executable name is not quoted, we have to use this search loop here,
that in CreateProcess() is not sufficient because it does not handle shell links. */
WCHAR buffer[MAX_PATH], xlpFile[MAX_PATH];
LPWSTR space, s;
LPWSTR beg = wszApplicationName/*sei_tmp.lpFile*/;
for(s=beg; (space=strchrW(s, ' ')); s=space+1) {
int idx = space-sei_tmp.lpFile;
strncpyW(buffer, sei_tmp.lpFile, idx);
buffer[idx] = '\0';
/*FIXME This finds directory paths if the targeted file name contains spaces. */
if (SearchPathW(*sei_tmp.lpDirectory? sei_tmp.lpDirectory: NULL, buffer, wszExe, sizeof(xlpFile), xlpFile, NULL))
{
/* separate out command from parameter string */
LPCWSTR p = space + 1;
while(isspaceW(*p))
++p;
strcpyW(wszParameters, p);
*space = '\0';
break;
}
}
strcpyW(wfileName, sei_tmp.lpFile);
}
} else
strcpyW(wfileName, sei_tmp.lpFile);
lpFile = wfileName;
if (sei_tmp.lpParameters[0]) {
strcatW(wszApplicationName, wSpace);
strcatW(wszApplicationName, wszParameters);
}
/* We set the default to open, and that should generally work.
But that is not really the way the MS docs say to do it. */
if (!sei_tmp.lpVerb)
sei_tmp.lpVerb = wszOpen;
retval = execfunc(wszApplicationName, NULL, FALSE, &sei_tmp, sei);
if (retval > 32)
return TRUE;
/* Else, try to find the executable */
wcmd[0] = '\0';
retval = SHELL_FindExecutable(sei_tmp.lpDirectory, lpFile, sei_tmp.lpVerb, wcmd, 1024, lpstrProtocol, &env, sei_tmp.lpIDList, sei_tmp.lpParameters);
if (retval > 32) /* Found */
{
WCHAR wszQuotedCmd[MAX_PATH+2];
/* Must quote to handle case where cmd contains spaces,
* else security hole if malicious user creates executable file "C:\\Program"
*/
strcpyW(wszQuotedCmd, wQuote);
strcatW(wszQuotedCmd, wcmd);
strcatW(wszQuotedCmd, wQuote);
if (wszParameters[0]) {
strcatW(wszQuotedCmd, wSpace);
strcatW(wszQuotedCmd, wszParameters);
}
TRACE("%s/%s => %s/%s\n", debugstr_w(wszApplicationName), debugstr_w(sei_tmp.lpVerb), debugstr_w(wszQuotedCmd), debugstr_w(lpstrProtocol));
if (*lpstrProtocol)
retval = execute_from_key(lpstrProtocol, wszApplicationName, env, sei_tmp.lpParameters, execfunc, &sei_tmp, sei);
else
retval = execfunc(wszQuotedCmd, env, FALSE, &sei_tmp, sei);
if (env) HeapFree( GetProcessHeap(), 0, env );
}
else if (PathIsURLW((LPWSTR)lpFile)) /* File not found, check for URL */
{
static const WCHAR wShell[] = {'\\','s','h','e','l','l','\\',0};
static const WCHAR wCommand[] = {'\\','c','o','m','m','a','n','d',0};
LPWSTR lpstrRes;
INT iSize;
lpstrRes = strchrW(lpFile, ':');
if (lpstrRes)
iSize = lpstrRes - lpFile;
else
iSize = strlenW(lpFile);
TRACE("Got URL: %s\n", debugstr_w(lpFile));
/* Looking for ...protocol\shell\lpOperation\command */
strncpyW(lpstrProtocol, lpFile, iSize);
lpstrProtocol[iSize] = '\0';
strcatW(lpstrProtocol, wShell);
strcatW(lpstrProtocol, sei_tmp.lpVerb? sei_tmp.lpVerb: wszOpen);
strcatW(lpstrProtocol, wCommand);
/* Remove File Protocol from lpFile */
/* In the case file://path/file */
if (!strncmpiW(lpFile, wFile, iSize))
{
lpFile += iSize;
while (*lpFile == ':') lpFile++;
}
retval = execute_from_key(lpstrProtocol, lpFile, NULL, sei_tmp.lpParameters, execfunc, &sei_tmp, sei);
}
/* Check if file specified is in the form www.??????.*** */
else if (!strncmpiW(lpFile, wWww, 3))
{
/* if so, append lpFile http:// and call ShellExecute */
WCHAR lpstrTmpFile[256];
strcpyW(lpstrTmpFile, wHttp);
strcatW(lpstrTmpFile, lpFile);
retval = (UINT)ShellExecuteW(sei_tmp.hwnd, sei_tmp.lpVerb, lpstrTmpFile, NULL, NULL, 0);
}
TRACE("retval %u\n", retval);
if (retval <= 32)
{
sei->hInstApp = (HINSTANCE)retval;
return FALSE;
}
sei->hInstApp = (HINSTANCE)33;
return TRUE;
}
/*************************************************************************
* ShellExecuteA [SHELL32.290]
*/
HINSTANCE WINAPI ShellExecuteA(HWND hWnd, LPCSTR lpOperation,LPCSTR lpFile,
LPCSTR lpParameters,LPCSTR lpDirectory, INT iShowCmd)
{
SHELLEXECUTEINFOA sei;
HANDLE hProcess = 0;
TRACE("%p,%s,%s,%s,%s,%d\n",
hWnd, lpOperation, lpFile, lpParameters, lpDirectory, iShowCmd);
sei.cbSize = sizeof(sei);
sei.fMask = 0;
sei.hwnd = hWnd;
sei.lpVerb = lpOperation;
sei.lpFile = lpFile;
sei.lpParameters = lpParameters;
sei.lpDirectory = lpDirectory;
sei.nShow = iShowCmd;
sei.lpIDList = 0;
sei.lpClass = 0;
sei.hkeyClass = 0;
sei.dwHotKey = 0;
sei.hProcess = hProcess;
ShellExecuteExA (&sei);
return sei.hInstApp;
}
/*************************************************************************
* ShellExecuteEx [SHELL32.291]
*
*/
BOOL WINAPI ShellExecuteExAW (LPVOID sei)
{
if (SHELL_OsIsUnicode())
return ShellExecuteExW32 (sei, SHELL_ExecuteW);
return ShellExecuteExA (sei);
}
/*************************************************************************
* ShellExecuteExA [SHELL32.292]
*
*/
BOOL WINAPI ShellExecuteExA (LPSHELLEXECUTEINFOA sei)
{
SHELLEXECUTEINFOW seiW;
BOOL ret;
WCHAR *wVerb = NULL, *wFile = NULL, *wParameters = NULL, *wDirectory = NULL, *wClass = NULL;
TRACE("%p\n", sei);
memcpy(&seiW, sei, sizeof(SHELLEXECUTEINFOW));
if (sei->lpVerb)
seiW.lpVerb = __SHCloneStrAtoW(&wVerb, sei->lpVerb);
if (sei->lpFile)
seiW.lpFile = __SHCloneStrAtoW(&wFile, sei->lpFile);
if (sei->lpParameters)
seiW.lpParameters = __SHCloneStrAtoW(&wParameters, sei->lpParameters);
if (sei->lpDirectory)
seiW.lpDirectory = __SHCloneStrAtoW(&wDirectory, sei->lpDirectory);
if ((sei->fMask & SEE_MASK_CLASSNAME) && sei->lpClass)
seiW.lpClass = __SHCloneStrAtoW(&wClass, sei->lpClass);
else
seiW.lpClass = NULL;
ret = ShellExecuteExW32 (&seiW, SHELL_ExecuteW);
sei->hInstApp = seiW.hInstApp;
if (wVerb) SHFree(wVerb);
if (wFile) SHFree(wFile);
if (wParameters) SHFree(wParameters);
if (wDirectory) SHFree(wDirectory);
if (wClass) SHFree(wClass);
return ret;
}
/*************************************************************************
* ShellExecuteExW [SHELL32.293]
*
*/
BOOL WINAPI ShellExecuteExW (LPSHELLEXECUTEINFOW sei)
{
return ShellExecuteExW32 (sei, SHELL_ExecuteW);
}
/*************************************************************************
* ShellExecuteW [SHELL32.294]
* from shellapi.h
* WINSHELLAPI HINSTANCE APIENTRY ShellExecuteW(HWND hwnd, LPCWSTR lpOperation,
* LPCWSTR lpFile, LPCWSTR lpParameters, LPCWSTR lpDirectory, INT nShowCmd);
*/
HINSTANCE WINAPI ShellExecuteW(HWND hwnd, LPCWSTR lpOperation, LPCWSTR lpFile,
LPCWSTR lpParameters, LPCWSTR lpDirectory, INT nShowCmd)
{
SHELLEXECUTEINFOW sei;
HANDLE hProcess = 0;
TRACE("\n");
sei.cbSize = sizeof(sei);
sei.fMask = 0;
sei.hwnd = hwnd;
sei.lpVerb = lpOperation;
sei.lpFile = lpFile;
sei.lpParameters = lpParameters;
sei.lpDirectory = lpDirectory;
sei.nShow = nShowCmd;
sei.lpIDList = 0;
sei.lpClass = 0;
sei.hkeyClass = 0;
sei.dwHotKey = 0;
sei.hProcess = hProcess;
ShellExecuteExW32 (&sei, SHELL_ExecuteW);
return sei.hInstApp;
}