Only use the Folder class handler if we're actually executing a folder.
[reactos.git] / reactos / lib / shell32 / shlexec.c
index 22e5922..2a9b12a 100644 (file)
 #include <ctype.h>
 #include <assert.h>
 
+#define COBJMACROS
+
 #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"
@@ -60,6 +57,8 @@ 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};
 
+#define SEE_MASK_CLASSALL (SEE_MASK_CLASSNAME | SEE_MASK_CLASSKEY)
+
 
 /***********************************************************************
  *     SHELL_ArgifyW [Internal]
@@ -77,117 +76,156 @@ static const WCHAR wszEmpty[] = {0};
  * %* all following parameters (see batfile)
  *
  * FIXME: use 'len'
+ * FIXME: Careful of going over string boundaries. No checking is done to 'res'...
  */
 static BOOL SHELL_ArgifyW(WCHAR* out, int len, const WCHAR* fmt, const WCHAR* lpFile, LPITEMIDLIST pidl, LPCWSTR args)
 {
     WCHAR   xlpFile[1024];
     BOOL    done = FALSE;
+    BOOL    found_p1 = 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.: "%1" %* for exefile) */
-                   if (res==out || res[-1]!='"')
-                   {
-                       *res++ = '"';
-                       strcpyW(res, cmd);
-                       res += strlenW(cmd);
-                       *res++ = '"';
-                   }
-                   else
-                   {
-                       strcpyW(res, cmd);
-                       res += strlenW(cmd);
-                   }
-               }
-               break;
-
-             /*
-              * IE uses this alot 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 (*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) or unless the arg is already
+                       enclosed in double quotation marks */
+                    if ((res == out || *(fmt + 1) != '"') && *cmd != '"')
+                    {
+                        *res++ = '"';
+                        strcpyW(res, cmd);
+                        res += strlenW(cmd);
+                        *res++ = '"';
+                    }
+                    else
+                    {
+                        strcpyW(res, cmd);
+                        res += strlenW(cmd);
+                    }
+                }
+                found_p1 = TRUE;
+                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;
+                found_p1 = TRUE;
+                break;
 
-             case 'i':
-             case 'I':
+            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;
+                found_p1 = TRUE;
+                break;
 
-           default: FIXME("Unknown escape sequence %%%c\n", *fmt);
-           }
+           default:
+                /*
+                 * Check if this is an env-variable here...
+                 */
 
-           fmt++;
-           done = TRUE;
-       }
-       else
-           *res++ = *fmt++;
+                /* Make sure that we have at least one more %.*/
+                if (strchrW(fmt, '%'))
+                {
+                    WCHAR   tmpBuffer[1024];
+                    PWSTR   tmpB = tmpBuffer;
+                    WCHAR   tmpEnvBuff[MAX_PATH];
+                    DWORD   envRet;
+
+                    while (*fmt != '%')
+                        *tmpB++ = *fmt++;
+                    *tmpB++ = 0;
+
+                    TRACE("Checking %s to be an env-var\n", debugstr_w(tmpBuffer));
+
+                    envRet = GetEnvironmentVariableW(tmpBuffer, tmpEnvBuff, MAX_PATH);
+                    if (envRet == 0 || envRet > MAX_PATH)
+                        strcpyW( res, tmpBuffer );
+                    else
+                        strcpyW( res, tmpEnvBuff );
+                    res += strlenW(res);
+                }
+                done = TRUE;
+                break;
+            }
+            /* Don't skip past terminator (catch a single '%' at the end) */
+            if (*fmt != '\0')
+            {
+                fmt++;
+            }
+        }
+        else
+            *res++ = *fmt++;
     }
 
     *res = '\0';
 
-    return done;
+    return found_p1;
 }
 
 HRESULT SHELL_GetPathFromIDListForExecuteA(LPCITEMIDLIST pidl, LPSTR pszPath, UINT uOutSize)
@@ -228,98 +266,31 @@ HRESULT SHELL_GetPathFromIDListForExecuteW(LPCITEMIDLIST pidl, LPWSTR pszPath, U
     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, void *env, BOOL shWait,
+static UINT_PTR SHELL_ExecuteW(const WCHAR *lpCmd, WCHAR *env, BOOL shWait,
                            LPSHELLEXECUTEINFOW psei, LPSHELLEXECUTEINFOW psei_out)
 {
     STARTUPINFOW  startup;
     PROCESS_INFORMATION info;
-    UINT retval = 31;
+    UINT_PTR 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(startup));
+    ZeroMemory(&startup,sizeof(STARTUPINFOW));
     startup.cb = sizeof(STARTUPINFOW);
     startup.dwFlags = STARTF_USESHOWWINDOW;
     startup.wShowWindow = psei->nShow;
-
-    if (CreateProcessW(NULL, (LPWSTR)lpCmd, NULL, NULL, FALSE, 0,
+    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
@@ -328,25 +299,22 @@ static UINT SHELL_ExecuteW(const WCHAR *lpCmd, void *env, BOOL 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);
+            CloseHandle( info.hProcess );
+        CloseHandle( info.hThread );
     }
     else if ((retval = GetLastError()) >= 32)
     {
-        FIXME("Strange error set by CreateProcess: %d\n", retval);
+        TRACE("CreateProcess returned error %d\n", retval);
         retval = ERROR_BAD_FORMAT;
     }
 
     TRACE("returning %u\n", retval);
 
     psei_out->hInstApp = (HINSTANCE)retval;
-
-    if( gcdret ) 
+    if( gcdret )
         if( !SetCurrentDirectoryW( curdir))
             ERR("cannot return to directory %s\n", debugstr_w(curdir));
 
@@ -420,12 +388,11 @@ static void *SHELL_BuildEnvW( const WCHAR *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, void** env)
+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;
@@ -518,21 +485,19 @@ static UINT SHELL_FindExecutableByOperation(LPCWSTR lpPath, LPCWSTR lpFile, LPCW
  *              on the operation)
  */
 UINT SHELL_FindExecutable(LPCWSTR lpPath, LPCWSTR lpFile, LPCWSTR lpOperation,
-                           LPWSTR lpResult, int resultLen, LPWSTR key, void **env, LPITEMIDLIST pidl, LPCWSTR args)
+                                 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 wtmpext[5];        /* local copy to mung as we please */
     WCHAR filetype[256];     /* registry name for this filetype */
     LONG  filetypelen = sizeof(filetype); /* length of above */
-    WCHAR command[256];      /* command from registry */
+    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 */
+    WCHAR xlpFile[256];      /* result of SearchPath */
     DWORD attribs;           /* file attributes */
 
     TRACE("%s\n", (lpFile != NULL) ? debugstr_w(lpFile) : "-");
@@ -542,9 +507,10 @@ UINT SHELL_FindExecutable(LPCWSTR lpPath, LPCWSTR lpFile, LPCWSTR lpOperation,
     if (key) *key = '\0';
 
     /* trap NULL parameters on entry */
-    if ((lpFile == NULL) || (lpResult == NULL))
+    if ((lpFile == NULL) || (lpResult == NULL) || (lpOperation == NULL))
     {
-        WARN("(lpFile=%s,lpResult=%s): NULL parameter\n", debugstr_w(lpFile), debugstr_w(lpResult));
+        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. */
     }
 
@@ -564,77 +530,73 @@ UINT SHELL_FindExecutable(LPCWSTR lpPath, LPCWSTR lpFile, LPCWSTR lpOperation,
     attribs = GetFileAttributesW(lpFile);
     if (attribs!=INVALID_FILE_ATTRIBUTES && (attribs&FILE_ATTRIBUTE_DIRECTORY))
     {
-       strcpyW(filetype, wszFolder);
-       filetypelen = 6;    /* strlen("Folder") */
+       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));
+        /* 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 == &xlpFile[strlenW(xlpFile)]))
-       {
-           WARN("Returning 31 - No association\n");
-           return 31; /* no association */
-       }
-       /* Make local copy & lowercase it for reg & 'programs=' lookup */
-       lstrcpynW(wtmpext, extension, 5);
-       CharLowerW(wtmpext);
-       TRACE("%s file\n", debugstr_w(wtmpext));
-
-       /* 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 (extension == NULL || extension[1]==0)
+        {
+            WARN("Returning 31 - No association\n");
+            return 31; /* no association */
+        }
 
-               if (strcmpW(tok, &wtmpext[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;
-           }
-       }
+        /* 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++;
+                }
 
-       /* Check registry */
-       if (RegQueryValueW(HKEY_CLASSES_ROOT, wtmpext, filetype, 
-                           &filetypelen) == ERROR_SUCCESS)
-       {
-           filetypelen /= sizeof(WCHAR);
-           filetype[filetypelen] = '\0';
-           TRACE("File type: %s\n", debugstr_w(filetype));
-       }
+                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)
@@ -667,29 +629,29 @@ UINT SHELL_FindExecutable(LPCWSTR lpPath, LPCWSTR lpFile, LPCWSTR lpOperation,
 
                    if (retval > 32)
                        break;
-               }
+           }
                RegCloseKey(hkey);
            }
        }
 
        if (retval > 32)
-        {
-            SHELL_ArgifyW(lpResult, resultLen, command, xlpFile, pidl, args);
+       {
+           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';
-            }
-        }
+           /* Remove double quotation marks and command line arguments */
+           if (*lpResult == '"')
+           {
+               WCHAR *p = lpResult;
+               while (*(p + 1) != '"')
+               {
+                   *p = *(p + 1);
+                   p++;
+               }
+               *p = '\0';
+           }
+       }
     }
-    else if (extension) /* Check win.ini */
+    else /* Check win.ini */
     {
        static const WCHAR wExtensions[] = {'e','x','t','e','n','s','i','o','n','s',0};
 
@@ -701,7 +663,6 @@ UINT SHELL_FindExecutable(LPCWSTR lpPath, LPCWSTR lpFile, LPCWSTR lpOperation,
             {
                 strcpyW(lpResult, command);
                 tok = strchrW(lpResult, '^'); /* should be ^.extension? */
-
                 if (tok != NULL)
                 {
                     tok[0] = '\0';
@@ -712,7 +673,6 @@ UINT SHELL_FindExecutable(LPCWSTR lpPath, LPCWSTR lpFile, LPCWSTR lpOperation,
                         strcatW(lpResult, &tok[5]);
                     }
                 }
-
                 retval = 33; /* FIXME - see above */
             }
         }
@@ -725,12 +685,14 @@ UINT SHELL_FindExecutable(LPCWSTR lpPath, LPCWSTR lpFile, LPCWSTR lpOperation,
 /******************************************************************
  *             dde_cb
  *
- * callback for the DDE connection. not really usefull
+ * callback for the DDE connection. not really useful
  */
 static HDDEDATA CALLBACK dde_cb(UINT uType, UINT uFmt, HCONV hConv,
-                                HSZ hsz1, HSZ hsz2,
-                                HDDEDATA hData, DWORD dwData1, DWORD dwData2)
+                                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;
 }
 
@@ -743,24 +705,24 @@ static HDDEDATA CALLBACK dde_cb(UINT uType, UINT uFmt, HCONV hConv,
  * launching an application and trying (#2) to connect to it
  *
  */
-static unsigned dde_connect(WCHAR * key, WCHAR* start, WCHAR* ddeexec,
-                            const WCHAR* lpFile, void *env,
+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)
+                            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];
-    WCHAR      res[1024];
+    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;
+    BOOL unicode = !(GetVersion() & 0x80000000);
 
     strcpyW(endkey, wApplication);
     applen = sizeof(app);
@@ -778,13 +740,19 @@ static unsigned dde_connect(WCHAR * key, WCHAR* start, WCHAR* ddeexec,
         strcpyW(topic, wSystem);
     }
 
-    if (DdeInitializeW(&ddeInst, dde_cb, APPCMD_CLIENTONLY, 0L) != DMLERR_NO_ERROR)
+    if (unicode)
     {
-        return 2;
+        if (DdeInitializeW(&ddeInst, dde_cb, APPCMD_CLIENTONLY, 0L) != DMLERR_NO_ERROR)
+            return 2;
+    }
+    else
+    {
+        if (DdeInitializeA(&ddeInst, dde_cb, APPCMD_CLIENTONLY, 0L) != DMLERR_NO_ERROR)
+            return 2;
     }
 
-    hszApp = DdeCreateStringHandleW(ddeInst, app, CP_WINANSI);
-    hszTopic = DdeCreateStringHandleW(ddeInst, topic, CP_WINANSI);
+    hszApp = DdeCreateStringHandleW(ddeInst, app, CP_WINUNICODE);
+    hszTopic = DdeCreateStringHandleW(ddeInst, topic, CP_WINUNICODE);
 
     hConv = DdeConnect(ddeInst, hszApp, hszTopic, NULL);
     exec = ddeexec;
@@ -817,8 +785,27 @@ static unsigned dde_connect(WCHAR * key, WCHAR* start, WCHAR* ddeexec,
     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));
 
-    ret = (DdeClientTransaction((LPBYTE)res, (strlenW(res) + 1) * sizeof(WCHAR), hConv, 0L, 0,
-                                XTYP_EXECUTE, 10000, &tid) != DMLERR_NO_ERROR) ? 31 : 33;
+    /* It's documented in the KB 330337 that IE has a bug and returns
+     * error DMLERR_NOTPROCESSED on XTYP_EXECUTE request.
+     */
+    if (unicode)
+        hDdeData = DdeClientTransaction((LPBYTE)res, (strlenW(res) + 1) * sizeof(WCHAR), hConv, 0L, 0,
+                                         XTYP_EXECUTE, 10000, &tid);
+    else
+    {
+        DWORD lenA = WideCharToMultiByte(CP_ACP, 0, res, -1, NULL, 0, NULL, NULL);
+        char *resA = HeapAlloc(GetProcessHeap(), 0, lenA);
+        WideCharToMultiByte(CP_ACP, 0, res, -1, resA, lenA, NULL, NULL);
+        hDdeData = DdeClientTransaction( (LPBYTE)resA, lenA, hConv, 0L, 0,
+                                         XTYP_EXECUTE, 10000, &tid );
+        HeapFree(GetProcessHeap(), 0, resA);
+    }
+    if (hDdeData)
+        DdeFreeDataHandle(hDdeData);
+    else
+        WARN("DdeClientTransaction failed with error %04x\n", DdeGetLastError(ddeInst));
+    ret = 33;
+
     DdeDisconnect(hConv);
 
  error:
@@ -830,13 +817,13 @@ static unsigned dde_connect(WCHAR * key, WCHAR* start, WCHAR* ddeexec,
 /*************************************************************************
  *     execute_from_key [Internal]
  */
-static UINT execute_from_key(LPWSTR key, LPCWSTR lpFile, void *env, LPCWSTR szCommandline,
+static UINT_PTR execute_from_key(LPWSTR key, LPCWSTR lpFile, WCHAR *env, LPCWSTR szCommandline,
                             SHELL_ExecuteW32 execfunc,
-                            LPSHELLEXECUTEINFOW psei, LPSHELLEXECUTEINFOW psei_out)
+                             LPSHELLEXECUTEINFOW psei, LPSHELLEXECUTEINFOW psei_out)
 {
     WCHAR cmd[1024];
     LONG cmdlen = sizeof(cmd);
-    UINT retval = 31;
+    UINT_PTR retval = 31;
 
     cmd[0] = '\0';
 
@@ -845,12 +832,11 @@ static UINT execute_from_key(LPWSTR key, LPCWSTR lpFile, void *env, LPCWSTR szCo
     {
        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';
+        param[0] = '\0';
 
         /* Get the parameters needed by the application
            from the associated ddeexec key */
@@ -895,7 +881,7 @@ HINSTANCE WINAPI FindExecutableA(LPCSTR lpFile, LPCSTR lpDirectory, LPSTR lpResu
     if (wDirectory) SHFree( wDirectory );
 
     TRACE("returning %s\n", lpResult);
-    return (HINSTANCE)retval;
+    return retval;
 }
 
 /*************************************************************************
@@ -903,7 +889,7 @@ HINSTANCE WINAPI FindExecutableA(LPCSTR lpFile, LPCSTR lpDirectory, LPSTR lpResu
  */
 HINSTANCE WINAPI FindExecutableW(LPCWSTR lpFile, LPCWSTR lpDirectory, LPWSTR lpResult)
 {
-    UINT retval = 31;    /* default - 'No association was found' */
+    UINT_PTR retval = 31;    /* default - 'No association was found' */
     WCHAR old_dir[1024];
 
     TRACE("File %s, Dir %s\n",
@@ -932,45 +918,318 @@ HINSTANCE WINAPI FindExecutableW(LPCWSTR lpFile, LPCWSTR lpDirectory, LPWSTR lpR
     return (HINSTANCE)retval;
 }
 
+/* FIXME: is this already implemented somewhere else? */
+static HKEY ShellExecute_GetClassKey( LPSHELLEXECUTEINFOW sei )
+{
+    LPCWSTR ext = NULL, lpClass = NULL;
+    LPWSTR cls = NULL;
+    DWORD type = 0, sz = 0;
+    HKEY hkey = 0;
+    LONG r;
+
+    if (sei->fMask & SEE_MASK_CLASSALL)
+        return sei->hkeyClass;
+    if (sei->fMask & SEE_MASK_CLASSNAME)
+        lpClass = sei->lpClass;
+    else
+    {
+        ext = PathFindExtensionW( sei->lpFile );
+        TRACE("ext = %s\n", debugstr_w( ext ) );
+        if (!ext)
+            return hkey;
+
+        r = RegOpenKeyW( HKEY_CLASSES_ROOT, ext, &hkey );
+        if (r != ERROR_SUCCESS )
+            return hkey;
+
+        r = RegQueryValueExW( hkey, NULL, 0, &type, NULL, &sz );
+        if ( r == ERROR_SUCCESS && type == REG_SZ )
+        {
+            sz += sizeof (WCHAR);
+            cls = HeapAlloc( GetProcessHeap(), 0, sz );
+            cls[0] = 0;
+            RegQueryValueExW( hkey, NULL, 0, &type, (LPBYTE) cls, &sz );
+        }
+
+        RegCloseKey( hkey );
+        lpClass = cls;
+    }
+
+    TRACE("class = %s\n", debugstr_w(lpClass) );
+
+    hkey = 0;
+    if ( lpClass )
+        RegOpenKeyW( HKEY_CLASSES_ROOT, lpClass, &hkey );
+
+    HeapFree( GetProcessHeap(), 0, cls );
+
+    return hkey;
+}
+
+static IDataObject *shellex_get_dataobj( LPSHELLEXECUTEINFOW sei )
+{
+    LPCITEMIDLIST pidllast = NULL;
+    IDataObject *dataobj = NULL;
+    IShellFolder *shf = NULL;
+    LPITEMIDLIST pidl = NULL;
+    HRESULT r;
+
+    if (sei->fMask & SEE_MASK_CLASSALL)
+        pidl = sei->lpIDList;
+    else
+    {
+        WCHAR fullpath[MAX_PATH];
+
+        fullpath[0] = 0;
+        r = GetFullPathNameW( sei->lpFile, MAX_PATH, fullpath, NULL );
+        if (!r)
+            goto end;
+
+        pidl = ILCreateFromPathW( fullpath );
+    }
+
+    r = SHBindToParent( pidl, &IID_IShellFolder, (LPVOID*)&shf, &pidllast );
+    if ( FAILED( r ) )
+        goto end;
+
+    IShellFolder_GetUIObjectOf( shf, NULL, 1, &pidllast,
+                                &IID_IDataObject, NULL, (LPVOID*) &dataobj );
+
+end:
+    if ( pidl != sei->lpIDList )
+        ILFree( pidl );
+    if ( shf )
+        IShellFolder_Release( shf );
+    return dataobj;
+}
+
+static HRESULT shellex_run_context_menu_default( IShellExtInit *obj,
+                                                 LPSHELLEXECUTEINFOW sei )
+{
+    IContextMenu *cm = NULL;
+    CMINVOKECOMMANDINFOEX ici;
+    MENUITEMINFOW info;
+    WCHAR string[0x80];
+    INT i, n, def = -1;
+    HMENU hmenu = 0;
+    HRESULT r;
+
+    TRACE("%p %p\n", obj, sei );
+
+    r = IShellExtInit_QueryInterface( obj, &IID_IContextMenu, (LPVOID*) &cm );
+    if ( FAILED( r ) )
+        return r;
+
+    hmenu = CreateMenu();
+    if ( !hmenu )
+        goto end;
+
+    /* the number of the last menu added is returned in r */
+    r = IContextMenu_QueryContextMenu( cm, hmenu, 0, 0x20, 0x7fff, CMF_DEFAULTONLY );
+    if ( FAILED( r ) )
+        goto end;
+
+    n = GetMenuItemCount( hmenu );
+    for ( i = 0; i < n; i++ )
+    {
+        memset( &info, 0, sizeof info );
+        info.cbSize = sizeof info;
+        info.fMask = MIIM_FTYPE | MIIM_STRING | MIIM_STATE | MIIM_DATA | MIIM_ID;
+        info.dwTypeData = string;
+        info.cch = sizeof string;
+        string[0] = 0;
+        GetMenuItemInfoW( hmenu, i, TRUE, &info );
+
+        TRACE("menu %d %s %08x %08lx %08x %08x\n", i, debugstr_w(string),
+            info.fState, info.dwItemData, info.fType, info.wID );
+        if ( ( !sei->lpVerb && (info.fState & MFS_DEFAULT) ) ||
+             ( sei->lpVerb && !lstrcmpiW( sei->lpVerb, string ) ) )
+        {
+            def = i;
+            break;
+        }
+    }
+
+    r = E_FAIL;
+    if ( def == -1 )
+        goto end;
+
+    memset( &ici, 0, sizeof ici );
+    ici.cbSize = sizeof ici;
+    ici.fMask = CMIC_MASK_UNICODE;
+    ici.nShow = sei->nShow;
+    ici.lpVerb = MAKEINTRESOURCEA( def );
+    ici.hwnd = sei->hwnd;
+    ici.lpParametersW = sei->lpParameters;
+    
+    r = IContextMenu_InvokeCommand( cm, (LPCMINVOKECOMMANDINFO) &ici );
+
+    TRACE("invoke command returned %08lx\n", r );
+
+end:
+    if ( hmenu )
+        DestroyMenu( hmenu );
+    if ( cm )
+        IContextMenu_Release( cm );
+    return r;
+}
+
+static HRESULT shellex_load_object_and_run( HKEY hkey, LPCGUID guid, LPSHELLEXECUTEINFOW sei )
+{
+    IDataObject *dataobj = NULL;
+    IObjectWithSite *ows = NULL;
+    IShellExtInit *obj = NULL;
+    HRESULT r;
+
+    TRACE("%p %s %p\n", hkey, debugstr_guid( guid ), sei );
+
+    r = CoInitialize( NULL );
+    if ( FAILED( r ) )
+        goto end;
+
+    r = CoCreateInstance( guid, NULL, CLSCTX_INPROC_SERVER,
+                           &IID_IShellExtInit, (LPVOID*)&obj );
+    if ( FAILED( r ) )
+    {
+        ERR("failed %08lx\n", r );
+        goto end;
+    }
+
+    dataobj = shellex_get_dataobj( sei );
+    if ( !dataobj )
+    {
+        ERR("failed to get data object\n");
+        goto end;
+    }
+
+    r = IShellExtInit_Initialize( obj, NULL, dataobj, hkey );
+    if ( FAILED( r ) )
+        goto end;
+
+    r = IShellExtInit_QueryInterface( obj, &IID_IObjectWithSite, (LPVOID*) &ows );
+    if ( FAILED( r ) )
+        goto end;
+
+    IObjectWithSite_SetSite( ows, NULL );
+
+    r = shellex_run_context_menu_default( obj, sei );
+
+end:
+    if ( ows )
+        IObjectWithSite_Release( ows );
+    if ( dataobj )
+        IDataObject_Release( dataobj );
+    if ( obj )
+        IShellExtInit_Release( obj );
+    CoUninitialize();
+    return r;
+}
+
+
+/*************************************************************************
+ *     ShellExecute_FromContextMenu [Internal]
+ */
+static LONG ShellExecute_FromContextMenu( LPSHELLEXECUTEINFOW sei )
+{
+    static const WCHAR szcm[] = { 's','h','e','l','l','e','x','\\',
+        'C','o','n','t','e','x','t','M','e','n','u','H','a','n','d','l','e','r','s',0 };
+    HKEY hkey, hkeycm = 0;
+    WCHAR szguid[39];
+    HRESULT hr;
+    GUID guid;
+    DWORD i;
+    LONG r;
+
+    TRACE("%s\n", debugstr_w(sei->lpFile) );
+
+    hkey = ShellExecute_GetClassKey( sei );
+    if ( !hkey )
+        return ERROR_FUNCTION_FAILED;
+
+    r = RegOpenKeyW( hkey, szcm, &hkeycm );
+    if ( r == ERROR_SUCCESS )
+    {
+        i = 0;
+        while ( 1 )
+        {
+            r = RegEnumKeyW( hkeycm, i++, szguid, 39 );
+            if ( r != ERROR_SUCCESS )
+                break;
+
+            hr = CLSIDFromString( szguid, &guid );
+            if (SUCCEEDED(hr))
+            {
+                /* stop at the first one that succeeds in running */
+                hr = shellex_load_object_and_run( hkey, &guid, sei );
+                if ( SUCCEEDED( hr ) )
+                    break;
+            }
+        }
+        RegCloseKey( hkeycm );
+    }
+
+    if ( hkey != sei->hkeyClass )
+        RegCloseKey( hkey );
+    return r;
+}
+
 /*************************************************************************
- *     ShellExecuteExW32 [Internal]
+ *     SHELL_execute [Internal]
  */
-BOOL WINAPI ShellExecuteExW32 (LPSHELLEXECUTEINFOW psei, SHELL_ExecuteW32 execfunc)
+BOOL SHELL_execute( 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};
+    static const DWORD unsupportedFlags =
+        SEE_MASK_INVOKEIDLIST  | SEE_MASK_ICON         | SEE_MASK_HOTKEY |
+        SEE_MASK_CONNECTNETDRV | SEE_MASK_FLAG_DDEWAIT | SEE_MASK_FLAG_NO_UI |
+        SEE_MASK_UNICODE       | SEE_MASK_NO_CONSOLE   | SEE_MASK_ASYNCOK |
+        SEE_MASK_HMONITOR;
 
     WCHAR wszApplicationName[MAX_PATH+2], wszParameters[1024], wszDir[MAX_PATH];
-    SHELLEXECUTEINFOW sei_tmp; /* modifyable copy of SHELLEXECUTEINFO struct */
+    SHELLEXECUTEINFOW sei_tmp; /* modifiable copy of SHELLEXECUTEINFO struct */
     WCHAR wfileName[MAX_PATH];
-    void *env;
-    WCHAR wszProtocol[256];
+    WCHAR *env;
+    WCHAR lpstrProtocol[256];
     LPCWSTR lpFile;
-    UINT retval = 31;
-    WCHAR buffer[1024];
-    const WCHAR* ext;
+    UINT_PTR retval = 31;
+    WCHAR wcmd[1024];
+    WCHAR buffer[MAX_PATH];
+    WCHAR target[MAX_PATH];
+    BOOL done;
+    DWORD attribs;
 
     /* make a local copy of the LPSHELLEXECUTEINFO structure and work with this from now on */
-    memcpy(&sei_tmp, psei, sizeof(sei_tmp));
+    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_tmp.fMask & SEE_MASK_CLASSALL) == SEE_MASK_CLASSNAME) ?
+                debugstr_w(sei_tmp.lpClass) : "not used");
 
-    psei->hProcess = NULL;
+    sei->hProcess = NULL;
 
     /* make copies of all path/command strings */
-    if (sei_tmp.lpFile)
-       strcpyW(wszApplicationName, sei_tmp.lpFile);
+    if (!sei_tmp.lpFile)
+        *wszApplicationName = '\0';
+    else if (*sei_tmp.lpFile == '\"')
+    {
+        UINT l;
+        strcpyW(wszApplicationName, sei_tmp.lpFile+1);
+        l=lstrlenW(wszApplicationName);
+        if (wszApplicationName[l-1] == '\"')
+            wszApplicationName[l-1] = '\0';
+        TRACE("wszApplicationName=%s\n",debugstr_w(wszApplicationName));
+    }
     else
-       *wszApplicationName = '\0';
+        strcpyW(wszApplicationName, sei_tmp.lpFile);
 
     if (sei_tmp.lpParameters)
        strcpyW(wszParameters, sei_tmp.lpParameters);
@@ -987,12 +1246,9 @@ BOOL WINAPI ShellExecuteExW32 (LPSHELLEXECUTEINFOW psei, SHELL_ExecuteW32 execfu
     sei_tmp.lpParameters = wszParameters;
     sei_tmp.lpDirectory = wszDir;
 
-    if (sei_tmp.fMask & (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 ))
+    if (sei_tmp.fMask & unsupportedFlags)
     {
-        FIXME("flags ignored: 0x%08lx\n", sei_tmp.fMask);
+        FIXME("flags ignored: 0x%08lx\n", sei_tmp.fMask & unsupportedFlags);
     }
 
     /* process the IDList */
@@ -1004,7 +1260,7 @@ BOOL WINAPI ShellExecuteExW32 (LPSHELLEXECUTEINFOW psei, SHELL_ExecuteW32 execfu
 
        if (SUCCEEDED(hr))
        {
-           hr = IShellExecuteHookW_Execute(pSEH, psei);
+           hr = IShellExecuteHookW_Execute(pSEH, &sei_tmp);
 
            IShellExecuteHookW_Release(pSEH);
 
@@ -1012,91 +1268,44 @@ BOOL WINAPI ShellExecuteExW32 (LPSHELLEXECUTEINFOW psei, SHELL_ExecuteW32 execfu
                return TRUE;
        }
 
-       /* try to translate PIDL directly into the corresponding file system path */
-        if (SUCCEEDED(SHELL_GetPathFromIDListW(sei_tmp.lpIDList, wszApplicationName/*sei_tmp.lpFile*/, sizeof(wszApplicationName)/sizeof(WCHAR))))
-       {
-           sei_tmp.lpIDList = NULL;
-           sei_tmp.fMask &= ~SEE_MASK_INVOKEIDLIST;
-       }
-
+        SHGetPathFromIDListW(sei_tmp.lpIDList, wszApplicationName);
         TRACE("-- idlist=%p (%s)\n", sei_tmp.lpIDList, debugstr_w(wszApplicationName));
     }
 
-    if (sei_tmp.fMask & (SEE_MASK_CLASSNAME | SEE_MASK_CLASSKEY))
+    if ( ERROR_SUCCESS == ShellExecute_FromContextMenu( &sei_tmp ) )
+    {
+        sei->hInstApp = (HINSTANCE) 33;
+        return TRUE;
+    }
+
+    if (sei_tmp.fMask & SEE_MASK_CLASSALL)
     {
-        /* launch a document by fileclass like 'WordPad.Document.1' */
+       /* launch a document by fileclass like 'WordPad.Document.1' */
         /* the Commandline contains 'c:\Path\wordpad.exe "%1"' */
-        /* FIXME: wszParameters 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/*sei_tmp.lpParameters*/, sizeof(wszParameters)/sizeof(WCHAR));
+        /* FIXME: szCommandline should not be of a fixed size. Fixed to 1024, MAX_PATH is way too short! */
+        ULONG cmask=(sei_tmp.fMask & SEE_MASK_CLASSALL);
+        HCR_GetExecuteCommandW((cmask == SEE_MASK_CLASSKEY) ? sei_tmp.hkeyClass : NULL,
+                               (cmask == 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(sei_tmp.lpParameters), debugstr_w(sei_tmp.lpFile));
-
-        buffer[0] = '\0';
+        TRACE("SEE_MASK_CLASSNAME->'%s', doc->'%s'\n", debugstr_w(wszParameters), debugstr_w(wszApplicationName));
 
-        if (!SHELL_ArgifyW(buffer, sizeof(buffer)/sizeof(WCHAR), sei_tmp.lpParameters, sei_tmp.lpFile, sei_tmp.lpIDList, NULL) && sei_tmp.lpFile[0])
+        wcmd[0] = '\0';
+        done = SHELL_ArgifyW(wcmd, sizeof(wcmd)/sizeof(WCHAR), wszParameters, wszApplicationName, sei_tmp.lpIDList, NULL);
+        if (!done && wszApplicationName[0])
         {
-            strcatW(buffer, wExtLnk);
-            strcatW(buffer, sei_tmp.lpFile);
+            strcatW(wcmd, wSpace);
+            strcatW(wcmd, wszApplicationName);
         }
-
-        retval = execfunc(buffer, NULL, FALSE, &sei_tmp, psei);
+        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 (psei->lpIDList)
-           psei->fMask |= SEE_MASK_IDLIST; //@@ nicht sei_tmp.fMask ?! 
-
-       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, psei);
-
-                   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)
     {
@@ -1108,31 +1317,39 @@ BOOL WINAPI ShellExecuteExW32 (LPSHELLEXECUTEINFOW psei, SHELL_ExecuteW32 execfu
                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);
-
+           } else {
+               /* Check if we're executing a directory and if so use the
+                  handler for the Folder class */
+               strcpyW(target, buffer);
+               attribs = GetFileAttributesW(buffer);
+               if (attribs != INVALID_FILE_ATTRIBUTES &&
+                   0 != (attribs & FILE_ATTRIBUTE_DIRECTORY) &&
+                   HCR_GetExecuteCommandW(0, wszFolder,
+                                          sei_tmp.lpVerb?sei_tmp.lpVerb:wszOpen,
+                                          buffer, sizeof(buffer))) {
+                   SHELL_ArgifyW(wszApplicationName,
+                                 sizeof(wszApplicationName)/sizeof(WCHAR),
+                                 buffer, target, sei_tmp.lpIDList, NULL);
+               }
                sei_tmp.fMask &= ~SEE_MASK_INVOKEIDLIST;
            }
        }
     }
 
-
     /* expand environment strings */
-
     if (ExpandEnvironmentStringsW(sei_tmp.lpFile, buffer, MAX_PATH))
-       lstrcpyW(wszApplicationName/*sei_tmp.lpFile*/, buffer);
+       lstrcpyW(wszApplicationName, buffer);
 
     if (*sei_tmp.lpParameters)
         if (ExpandEnvironmentStringsW(sei_tmp.lpParameters, buffer, MAX_PATH))
-           lstrcpyW(wszParameters/*sei_tmp.lpParameters*/, buffer);
+           lstrcpyW(wszParameters, buffer);
 
     if (*sei_tmp.lpDirectory)
        if (ExpandEnvironmentStringsW(sei_tmp.lpDirectory, buffer, MAX_PATH))
-           lstrcpyW(wszDir/*sei_tmp.lpDirectory*/, buffer);
+           lstrcpyW(wszDir, buffer);
 
     /* Else, try to execute the filename */
-    TRACE("execute:'%s','%s','%s'\n", debugstr_w(wszApplicationName), debugstr_w(wszCommandline), debugstr_w(wszDir));
-
+    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) {
@@ -1142,7 +1359,7 @@ BOOL WINAPI ShellExecuteExW32 (LPSHELLEXECUTEINFOW psei, SHELL_ExecuteW32 execfu
            LPWSTR dst = wfileName;
            LPWSTR end;
 
-           /* copy the unquoted executabe path to 'wfileName' */
+           /* copy the unquoted executable path to 'wfileName' */
            while(*src && *src!='"')
                *dst++ = *src++;
 
@@ -1172,7 +1389,7 @@ BOOL WINAPI ShellExecuteExW32 (LPSHELLEXECUTEINFOW psei, SHELL_ExecuteW32 execfu
            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);
+               memcpy(buffer, sei_tmp.lpFile, idx * sizeof(WCHAR));
                buffer[idx] = '\0';
 
                /*FIXME This finds directory paths if the targeted file name contains spaces. */
@@ -1198,58 +1415,47 @@ BOOL WINAPI ShellExecuteExW32 (LPSHELLEXECUTEINFOW psei, SHELL_ExecuteW32 execfu
 
     lpFile = wfileName;
 
+    strcpyW(wcmd, wszApplicationName);
     if (sei_tmp.lpParameters[0]) {
-        strcatW(wszApplicationName/*sei_tmp.lpFile*/, wSpace);
-        strcatW(wszApplicationName/*sei_tmp.lpFile*/, sei_tmp.lpParameters);
+        strcatW(wcmd, wSpace);
+        strcatW(wcmd, wszParameters);
     }
 
-    retval = execfunc(sei_tmp.lpFile, NULL, FALSE, &sei_tmp, psei);
-    if (retval > 32)
-    {
-       /* Now, that we have successfully launched a process, we can free the PIDL.
-       It may have been used before for %I command line options. */
-       if (sei_tmp.lpIDList!=psei->lpIDList && sei_tmp.lpIDList)
-           SHFree(sei_tmp.lpIDList);
+    /* 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;
 
-        TRACE("execfunc: retval=%d psei->hInstApp=%p\n", retval, psei->hInstApp);
+    retval = execfunc(wcmd, NULL, FALSE, &sei_tmp, sei);
+    if (retval > 32)
         return TRUE;
-    }
 
     /* Else, try to find the executable */
-    buffer[0] = '\0';
-    retval = SHELL_FindExecutable(*sei_tmp.lpDirectory? sei_tmp.lpDirectory: NULL, lpFile, sei_tmp.lpVerb, buffer, 1024, wszProtocol, &env, sei_tmp.lpIDList, sei_tmp.lpParameters);
-
+    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 'buffer' contains spaces, 
+        /* Must quote to handle case where cmd contains spaces,
          * else security hole if malicious user creates executable file "C:\\Program"
-        *
-        * FIXME: If we don't have set explicitly command line arguments, we must first
-        * split executable path from optional command line arguments. Otherwise we would quote
-        * the complete string with executable path _and_ arguments, which is not what we want.
          */
         strcpyW(wszQuotedCmd, wQuote);
-        strcatW(wszQuotedCmd, buffer);
+        strcatW(wszQuotedCmd, wcmd);
         strcatW(wszQuotedCmd, wQuote);
-
-        if (*sei_tmp.lpParameters) {
+        if (wszParameters[0]) {
             strcatW(wszQuotedCmd, wSpace);
-           strcatW(wszQuotedCmd, sei_tmp.lpParameters);
+            strcatW(wszQuotedCmd, wszParameters);
         }
-
-        TRACE("%s/%s => %s/%s\n", debugstr_w(wszApplicationName), debugstr_w(buffer), debugstr_w(wszQuotedCmd), debugstr_w(wszProtocol));
-
-        if (*wszProtocol)
-            retval = execute_from_key(wszProtocol, lpFile, env, sei_tmp.lpParameters, execfunc, &sei_tmp, psei);
+        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, psei);
-
-        if (env) HeapFree( GetProcessHeap(), 0, env );
+            retval = execfunc(wszQuotedCmd, env, FALSE, &sei_tmp, sei);
+        HeapFree( GetProcessHeap(), 0, env );
     }
     else if (PathIsURLW((LPWSTR)lpFile))    /* File not found, check for URL */
     {
-       static const WCHAR wszShell[] = {'\\','s','h','e','l','l','\\',0};
+       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;
@@ -1261,12 +1467,12 @@ BOOL WINAPI ShellExecuteExW32 (LPSHELLEXECUTEINFOW psei, SHELL_ExecuteW32 execfu
             iSize = strlenW(lpFile);
 
         TRACE("Got URL: %s\n", debugstr_w(lpFile));
-        /* Looking for ...protocol\shell\<verb>\command */
-        strncpyW(wszProtocol, lpFile, iSize);
-        wszProtocol[iSize] = '\0';
-        strcatW(wszProtocol, wszShell);
-        strcatW(wszProtocol, sei_tmp.lpVerb? sei_tmp.lpVerb: wszOpen);
-        strcatW(wszProtocol, wCommand);
+        /* Looking for ...protocol\shell\lpOperation\command */
+        memcpy(lpstrProtocol, lpFile, iSize*sizeof(WCHAR));
+        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     */
@@ -1275,8 +1481,7 @@ BOOL WINAPI ShellExecuteExW32 (LPSHELLEXECUTEINFOW psei, SHELL_ExecuteW32 execfu
             lpFile += iSize;
             while (*lpFile == ':') lpFile++;
         }
-
-        retval = execute_from_key(wszProtocol, lpFile, NULL, sei_tmp.lpParameters, execfunc, &sei_tmp, psei);
+        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))
@@ -1285,35 +1490,33 @@ BOOL WINAPI ShellExecuteExW32 (LPSHELLEXECUTEINFOW psei, SHELL_ExecuteW32 execfu
         WCHAR lpstrTmpFile[256];
         strcpyW(lpstrTmpFile, wHttp);
         strcatW(lpstrTmpFile, lpFile);
-        retval = (UINT)ShellExecuteW(sei_tmp.hwnd, sei_tmp.lpVerb, lpstrTmpFile, NULL, NULL, 0);
+        retval = (UINT_PTR)ShellExecuteW(sei_tmp.hwnd, sei_tmp.lpVerb, lpstrTmpFile, NULL, NULL, 0);
     }
 
-    /* Now we can free the PIDL. It may have been used before for %I command line options. */
-    if (sei_tmp.lpIDList!=psei->lpIDList && sei_tmp.lpIDList)
-       SHFree(sei_tmp.lpIDList);
-
     TRACE("retval %u\n", retval);
 
     if (retval <= 32)
     {
-        psei->hInstApp = (HINSTANCE)retval;
+        sei->hInstApp = (HINSTANCE)retval;
         return FALSE;
     }
 
-    psei->hInstApp = (HINSTANCE)33;
+    sei->hInstApp = (HINSTANCE)33;
     return TRUE;
 }
 
 /*************************************************************************
  * ShellExecuteA                       [SHELL32.290]
  */
-HINSTANCE WINAPI ShellExecuteA(HWND hWnd, LPCSTR lpOperation, LPCSTR lpFile,
-                               LPCSTR lpParameters, LPCSTR lpDirectory, INT iShowCmd)
+HINSTANCE WINAPI ShellExecuteA(HWND hWnd, LPCSTR lpOperation,LPCSTR lpFile,
+                               LPCSTR lpParameters,LPCSTR lpDirectory, INT iShowCmd)
 {
     SHELLEXECUTEINFOA sei;
-    HANDLE hProcess = 0;
 
-    TRACE("\n");
+    TRACE("%p,%s,%s,%s,%s,%d\n",
+          hWnd, debugstr_a(lpOperation), debugstr_a(lpFile),
+          debugstr_a(lpParameters), debugstr_a(lpDirectory), iShowCmd);
+
     sei.cbSize = sizeof(sei);
     sei.fMask = 0;
     sei.hwnd = hWnd;
@@ -1326,23 +1529,12 @@ HINSTANCE WINAPI ShellExecuteA(HWND hWnd, LPCSTR lpOperation, LPCSTR lpFile,
     sei.lpClass = 0;
     sei.hkeyClass = 0;
     sei.dwHotKey = 0;
-    sei.hProcess = hProcess;
+    sei.hProcess = 0;
 
     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]
  *
@@ -1369,15 +1561,18 @@ BOOL WINAPI ShellExecuteExA (LPSHELLEXECUTEINFOA sei)
     if (sei->lpDirectory)
         seiW.lpDirectory = __SHCloneStrAtoW(&wDirectory, sei->lpDirectory);
 
-    if ((sei->fMask & SEE_MASK_CLASSNAME) && sei->lpClass)
+    if ((sei->fMask & SEE_MASK_CLASSALL) == SEE_MASK_CLASSNAME && sei->lpClass)
         seiW.lpClass = __SHCloneStrAtoW(&wClass, sei->lpClass);
     else
         seiW.lpClass = NULL;
 
-    ret = ShellExecuteExW32 (&seiW, SHELL_ExecuteW);
+    ret = SHELL_execute( &seiW, SHELL_ExecuteW );
 
     sei->hInstApp = seiW.hInstApp;
 
+    if (sei->fMask & SEE_MASK_NOCLOSEPROCESS)
+        sei->hProcess = seiW.hProcess;
+
     if (wVerb) SHFree(wVerb);
     if (wFile) SHFree(wFile);
     if (wParameters) SHFree(wParameters);
@@ -1393,7 +1588,7 @@ BOOL WINAPI ShellExecuteExA (LPSHELLEXECUTEINFOA sei)
  */
 BOOL WINAPI ShellExecuteExW (LPSHELLEXECUTEINFOW sei)
 {
-    return  ShellExecuteExW32 (sei, SHELL_ExecuteW);
+    return SHELL_execute( sei, SHELL_ExecuteW );
 }
 
 /*************************************************************************
@@ -1422,6 +1617,6 @@ HINSTANCE WINAPI ShellExecuteW(HWND hwnd, LPCWSTR lpOperation, LPCWSTR lpFile,
     sei.dwHotKey = 0;
     sei.hProcess = 0;
 
-    ShellExecuteExW32 (&sei, SHELL_ExecuteW);
+    SHELL_execute( &sei, SHELL_ExecuteW );
     return sei.hInstApp;
 }