dlls/shell32/shlexec.c

   1 /*
   2  *                              Shell Library Functions
   3  *
   4  * Copyright 1998 Marcus Meissner
   5  * Copyright 2002 Eric Pouech
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #include "config.h"
  23 #include "wine/port.h"
  24
  25 #include <stdlib.h>
  26 #include <string.h>
  27 #include <stdarg.h>
  28 #include <stdio.h>
  29 #ifdef HAVE_UNISTD_H
  30 # include <unistd.h>
  31 #endif
  32 #include <ctype.h>
  33 #include <assert.h>
  34
  35 #define COBJMACROS
  36
  37 #include "windef.h"
  38 #include "winbase.h"
  39 #include "winerror.h"
  40 #include "winreg.h"
  41 #include "winuser.h"
  42 #include "shlwapi.h"
  43 #include "ddeml.h"
  44
  45 #include "wine/winbase16.h"
  46 #include "shell32_main.h"
  47 #include "pidl.h"
  48
  49 #include "wine/debug.h"
  50
  51 WINE_DEFAULT_DEBUG_CHANNEL(exec);
  52
  53 static const WCHAR wszOpen[] = {'o','p','e','n',0};
  54 static const WCHAR wszExe[] = {'.','e','x','e',0};
  55 static const WCHAR wszILPtr[] = {':','%','p',0};
  56 static const WCHAR wszShell[] = {'\\','s','h','e','l','l','\\',0};
  57 static const WCHAR wszFolder[] = {'F','o','l','d','e','r',0};
  58 static const WCHAR wszEmpty[] = {0};
  59
  60 #define SEE_MASK_CLASSALL (SEE_MASK_CLASSNAME | SEE_MASK_CLASSKEY)
  61
  62
  63 /***********************************************************************
  64  *      SHELL_ArgifyW [Internal]
  65  *
  66  * this function is supposed to expand the escape sequences found in the registry
  67  * some diving reported that the following were used:
  68  * + %1, %2...  seem to report to parameter of index N in ShellExecute pmts
  69  *      %1 file
  70  *      %2 printer
  71  *      %3 driver
  72  *      %4 port
  73  * %I address of a global item ID (explorer switch /idlist)
  74  * %L seems to be %1 as long filename followed by the 8+3 variation
  75  * %S ???
  76  * %* all following parameters (see batfile)
  77  *
  78  */
  79 static BOOL SHELL_ArgifyW(WCHAR* out, int len, const WCHAR* fmt, const WCHAR* lpFile, LPITEMIDLIST pidl, LPCWSTR args, DWORD* out_len)
  80 {
  81     WCHAR   xlpFile[1024];
  82     BOOL    done = FALSE;
  83     BOOL    found_p1 = FALSE;
  84     PWSTR   res = out;
  85     PCWSTR  cmd;
  86     DWORD   used = 0;
  87
  88     TRACE("%p, %d, %s, %s, %p, %p\n", out, len, debugstr_w(fmt),
  89           debugstr_w(lpFile), pidl, args);
  90
  91     while (*fmt)
  92     {
  93         if (*fmt == '%')
  94         {
  95             switch (*++fmt)
  96             {
  97             case '\0':
  98             case '%':
  99                 used++;
 100                 if (used < len)
 101                     *res++ = '%';
 102                 break;
 103
 104             case '2':
 105             case '3':
 106             case '4':
 107             case '5':
 108             case '6':
 109             case '7':
 110             case '8':
 111             case '9':
 112             case '0':
 113             case '*':
 114                 if (args)
 115                 {
 116                     if (*fmt == '*')
 117                     {
 118                         used++;
 119                         if (used < len)
 120                             *res++ = '"';
 121                         while(*args)
 122                         {
 123                             used++;
 124                             if (used < len)
 125                                 *res++ = *args++;
 126                             else
 127                                 args++;
 128                         }
 129                         used++;
 130                         if (used < len)
 131                             *res++ = '"';
 132                     }
 133                     else
 134                     {
 135                         while(*args && !isspace(*args))
 136                         {
 137                             used++;
 138                             if (used < len)
 139                                 *res++ = *args++;
 140                             else
 141                                 args++;
 142                         }
 143
 144                         while(isspace(*args))
 145                             ++args;
 146                     }
 147                     break;
 148                 }
 149                 /* else fall through */
 150             case '1':
 151                 if (!done || (*fmt == '1'))
 152                 {
 153                     /*FIXME Is the call to SearchPathW() really needed? We already have separated out the parameter string in args. */
 154                     if (SearchPathW(NULL, lpFile, wszExe, sizeof(xlpFile)/sizeof(WCHAR), xlpFile, NULL))
 155                         cmd = xlpFile;
 156                     else
 157                         cmd = lpFile;
 158
 159                     used += strlenW(cmd);
 160                     if (used < len)
 161                     {
 162                         strcpyW(res, cmd);
 163                         res += strlenW(cmd);
 164                     }
 165                 }
 166                 found_p1 = TRUE;
 167                 break;
 168
 169             /*
 170              * IE uses this a lot for activating things such as windows media
 171              * player. This is not verified to be fully correct but it appears
 172              * to work just fine.
 173              */
 174             case 'l':
 175             case 'L':
 176                 if (lpFile) {
 177                     used += strlenW(lpFile);
 178                     if (used < len)
 179                     {
 180                         strcpyW(res, lpFile);
 181                         res += strlenW(lpFile);
 182                     }
 183                 }
 184                 found_p1 = TRUE;
 185                 break;
 186
 187             case 'i':
 188             case 'I':
 189                 if (pidl) {
 190                     INT chars = 0;
 191                     /* %p should not exceed 8, maybe 16 when looking forward to 64bit.
 192                      * allowing a buffer of 100 should more than exceed all needs */
 193                     WCHAR buf[100];
 194                     LPVOID  pv;
 195                     HGLOBAL hmem = SHAllocShared(pidl, ILGetSize(pidl), 0);
 196                     pv = SHLockShared(hmem, 0);
 197                     chars = sprintfW(buf, wszILPtr, pv);
 198                     if (chars >= sizeof(buf)/sizeof(WCHAR))
 199                         ERR("pidl format buffer too small!\n");
 200                     used += chars;
 201                     if (used < len)
 202                     {
 203                         strcpyW(res,buf);
 204                         res += chars;
 205                     }
 206                     SHUnlockShared(pv);
 207                 }
 208                 found_p1 = TRUE;
 209                 break;
 210
 211             default:
 212                 /*
 213                  * Check if this is an env-variable here...
 214                  */
 215
 216                 /* Make sure that we have at least one more %.*/
 217                 if (strchrW(fmt, '%'))
 218                 {
 219                     WCHAR   tmpBuffer[1024];
 220                     PWSTR   tmpB = tmpBuffer;
 221                     WCHAR   tmpEnvBuff[MAX_PATH];
 222                     DWORD   envRet;
 223
 224                     while (*fmt != '%')
 225                         *tmpB++ = *fmt++;
 226                     *tmpB++ = 0;
 227
 228                     TRACE("Checking %s to be an env-var\n", debugstr_w(tmpBuffer));
 229
 230                     envRet = GetEnvironmentVariableW(tmpBuffer, tmpEnvBuff, MAX_PATH);
 231                     if (envRet == 0 || envRet > MAX_PATH)
 232                     {
 233                         used += strlenW(tmpBuffer);
 234                         if (used < len)
 235                         {
 236                             strcpyW( res, tmpBuffer );
 237                             res += strlenW(tmpBuffer);
 238                         }
 239                     }
 240                     else
 241                     {
 242                         used += strlenW(tmpEnvBuff);
 243                         if (used < len)
 244                         {
 245                             strcpyW( res, tmpEnvBuff );
 246                             res += strlenW(tmpEnvBuff);
 247                         }
 248                     }
 249                 }
 250                 done = TRUE;
 251                 break;
 252             }
 253             /* Don't skip past terminator (catch a single '%' at the end) */
 254             if (*fmt != '\0')
 255             {
 256                 fmt++;
 257             }
 258         }
 259         else
 260         {
 261             used ++;
 262             if (used < len)
 263                 *res++ = *fmt++;
 264             else
 265                 fmt++;
 266         }
 267     }
 268
 269     *res = '\0';
 270     TRACE("used %i of %i space\n",used,len);
 271     if (out_len)
 272         *out_len = used;
 273
 274     return found_p1;
 275 }
 276
 277 static HRESULT SHELL_GetPathFromIDListForExecuteW(LPCITEMIDLIST pidl, LPWSTR pszPath, UINT uOutSize)
 278 {
 279     STRRET strret;
 280     IShellFolder* desktop;
 281
 282     HRESULT hr = SHGetDesktopFolder(&desktop);
 283
 284     if (SUCCEEDED(hr)) {
 285         hr = IShellFolder_GetDisplayNameOf(desktop, pidl, SHGDN_FORPARSING, &strret);
 286
 287         if (SUCCEEDED(hr))
 288             StrRetToStrNW(pszPath, uOutSize, &strret, pidl);
 289
 290         IShellFolder_Release(desktop);
 291     }
 292
 293     return hr;
 294 }
 295
 296 /*************************************************************************
 297  *      SHELL_ExecuteW [Internal]
 298  *
 299  */
 300 static UINT_PTR SHELL_ExecuteW(const WCHAR *lpCmd, WCHAR *env, BOOL shWait,
 301                             const SHELLEXECUTEINFOW *psei, LPSHELLEXECUTEINFOW psei_out)
 302 {
 303     STARTUPINFOW  startup;
 304     PROCESS_INFORMATION info;
 305     UINT_PTR retval = SE_ERR_NOASSOC;
 306     UINT gcdret = 0;
 307     WCHAR curdir[MAX_PATH];
 308     DWORD dwCreationFlags;
 309     const WCHAR *lpDirectory = NULL;
 310
 311     TRACE("Execute %s from directory %s\n", debugstr_w(lpCmd), debugstr_w(psei->lpDirectory));
 312
 313     /* make sure we don't fail the CreateProcess if the calling app passes in
 314      * a bad working directory */
 315     if (psei->lpDirectory && psei->lpDirectory[0])
 316     {
 317         DWORD attr = GetFileAttributesW(psei->lpDirectory);
 318         if (attr != INVALID_FILE_ATTRIBUTES && attr & FILE_ATTRIBUTE_DIRECTORY)
 319             lpDirectory = psei->lpDirectory;
 320     }
 321
 322     /* ShellExecute specifies the command from psei->lpDirectory
 323      * if present. Not from the current dir as CreateProcess does */
 324     if( lpDirectory )
 325         if( ( gcdret = GetCurrentDirectoryW( MAX_PATH, curdir)))
 326             if( !SetCurrentDirectoryW( lpDirectory))
 327                 ERR("cannot set directory %s\n", debugstr_w(lpDirectory));
 328     ZeroMemory(&startup,sizeof(STARTUPINFOW));
 329     startup.cb = sizeof(STARTUPINFOW);
 330     startup.dwFlags = STARTF_USESHOWWINDOW;
 331     startup.wShowWindow = psei->nShow;
 332     dwCreationFlags = CREATE_UNICODE_ENVIRONMENT;
 333     if (psei->fMask & SEE_MASK_NO_CONSOLE)
 334         dwCreationFlags |= CREATE_NEW_CONSOLE;
 335     if (CreateProcessW(NULL, (LPWSTR)lpCmd, NULL, NULL, FALSE, dwCreationFlags, env,
 336                        lpDirectory, &startup, &info))
 337     {
 338         /* Give 30 seconds to the app to come up, if desired. Probably only needed
 339            when starting app immediately before making a DDE connection. */
 340         if (shWait)
 341             if (WaitForInputIdle( info.hProcess, 30000 ) == WAIT_FAILED)
 342                 WARN("WaitForInputIdle failed: Error %d\n", GetLastError() );
 343         retval = 33;
 344         if (psei->fMask & SEE_MASK_NOCLOSEPROCESS)
 345             psei_out->hProcess = info.hProcess;
 346         else
 347             CloseHandle( info.hProcess );
 348         CloseHandle( info.hThread );
 349     }
 350     else if ((retval = GetLastError()) >= 32)
 351     {
 352         TRACE("CreateProcess returned error %ld\n", retval);
 353         retval = ERROR_BAD_FORMAT;
 354     }
 355
 356     TRACE("returning %lu\n", retval);
 357
 358     psei_out->hInstApp = (HINSTANCE)retval;
 359     if( gcdret )
 360         if( !SetCurrentDirectoryW( curdir))
 361             ERR("cannot return to directory %s\n", debugstr_w(curdir));
 362
 363     return retval;
 364 }
 365
 366
 367 /***********************************************************************
 368  *           SHELL_BuildEnvW    [Internal]
 369  *
 370  * Build the environment for the new process, adding the specified
 371  * path to the PATH variable. Returned pointer must be freed by caller.
 372  */
 373 static void *SHELL_BuildEnvW( const WCHAR *path )
 374 {
 375     static const WCHAR wPath[] = {'P','A','T','H','=',0};
 376     WCHAR *strings, *new_env;
 377     WCHAR *p, *p2;
 378     int total = strlenW(path) + 1;
 379     BOOL got_path = FALSE;
 380
 381     if (!(strings = GetEnvironmentStringsW())) return NULL;
 382     p = strings;
 383     while (*p)
 384     {
 385         int len = strlenW(p) + 1;
 386         if (!strncmpiW( p, wPath, 5 )) got_path = TRUE;
 387         total += len;
 388         p += len;
 389     }
 390     if (!got_path) total += 5;  /* we need to create PATH */
 391     total++;  /* terminating null */
 392
 393     if (!(new_env = HeapAlloc( GetProcessHeap(), 0, total * sizeof(WCHAR) )))
 394     {
 395         FreeEnvironmentStringsW( strings );
 396         return NULL;
 397     }
 398     p = strings;
 399     p2 = new_env;
 400     while (*p)
 401     {
 402         int len = strlenW(p) + 1;
 403         memcpy( p2, p, len * sizeof(WCHAR) );
 404         if (!strncmpiW( p, wPath, 5 ))
 405         {
 406             p2[len - 1] = ';';
 407             strcpyW( p2 + len, path );
 408             p2 += strlenW(path) + 1;
 409         }
 410         p += len;
 411         p2 += len;
 412     }
 413     if (!got_path)
 414     {
 415         strcpyW( p2, wPath );
 416         strcatW( p2, path );
 417         p2 += strlenW(p2) + 1;
 418     }
 419     *p2 = 0;
 420     FreeEnvironmentStringsW( strings );
 421     return new_env;
 422 }
 423
 424
 425 /***********************************************************************
 426  *           SHELL_TryAppPathW  [Internal]
 427  *
 428  * Helper function for SHELL_FindExecutable
 429  * @param lpResult - pointer to a buffer of size MAX_PATH
 430  * On entry: szName is a filename (probably without path separators).
 431  * On exit: if szName found in "App Path", place full path in lpResult, and return true
 432  */
 433 static BOOL SHELL_TryAppPathW( LPCWSTR szName, LPWSTR lpResult, WCHAR **env)
 434 {
 435     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',
 436         '\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\','A','p','p',' ','P','a','t','h','s','\\',0};
 437     static const WCHAR wPath[] = {'P','a','t','h',0};
 438     HKEY hkApp = 0;
 439     WCHAR buffer[1024];
 440     LONG len;
 441     LONG res;
 442     BOOL found = FALSE;
 443
 444     if (env) *env = NULL;
 445     strcpyW(buffer, wszKeyAppPaths);
 446     strcatW(buffer, szName);
 447     res = RegOpenKeyExW(HKEY_LOCAL_MACHINE, buffer, 0, KEY_READ, &hkApp);
 448     if (res) goto end;
 449
 450     len = MAX_PATH*sizeof(WCHAR);
 451     res = RegQueryValueW(hkApp, NULL, lpResult, &len);
 452     if (res) goto end;
 453     found = TRUE;
 454
 455     if (env)
 456     {
 457         DWORD count = sizeof(buffer);
 458         if (!RegQueryValueExW(hkApp, wPath, NULL, NULL, (LPBYTE)buffer, &count) && buffer[0])
 459             *env = SHELL_BuildEnvW( buffer );
 460     }
 461
 462 end:
 463     if (hkApp) RegCloseKey(hkApp);
 464     return found;
 465 }
 466
 467 static UINT SHELL_FindExecutableByOperation(LPCWSTR lpOperation, LPWSTR key, LPWSTR filetype, LPWSTR command, LONG commandlen)
 468 {
 469     static const WCHAR wCommand[] = {'\\','c','o','m','m','a','n','d',0};
 470     HKEY hkeyClass;
 471     WCHAR verb[MAX_PATH];
 472
 473     if (RegOpenKeyExW(HKEY_CLASSES_ROOT, filetype, 0, 0x02000000, &hkeyClass))
 474         return SE_ERR_NOASSOC;
 475     if (!HCR_GetDefaultVerbW(hkeyClass, lpOperation, verb, sizeof(verb)))
 476         return SE_ERR_NOASSOC;
 477     RegCloseKey(hkeyClass);
 478
 479     /* Looking for ...buffer\shell\<verb>\command */
 480     strcatW(filetype, wszShell);
 481     strcatW(filetype, verb);
 482     strcatW(filetype, wCommand);
 483
 484     if (RegQueryValueW(HKEY_CLASSES_ROOT, filetype, command,
 485                        &commandlen) == ERROR_SUCCESS)
 486     {
 487         commandlen /= sizeof(WCHAR);
 488         if (key) strcpyW(key, filetype);
 489 #if 0
 490         LPWSTR tmp;
 491         WCHAR param[256];
 492         LONG paramlen = sizeof(param);
 493         static const WCHAR wSpace[] = {' ',0};
 494
 495         /* FIXME: it seems all Windows version don't behave the same here.
 496          * the doc states that this ddeexec information can be found after
 497          * the exec names.
 498          * on Win98, it doesn't appear, but I think it does on Win2k
 499          */
 500         /* Get the parameters needed by the application
 501            from the associated ddeexec key */
 502         tmp = strstrW(filetype, wCommand);
 503         tmp[0] = '\0';
 504         strcatW(filetype, wDdeexec);
 505         if (RegQueryValueW(HKEY_CLASSES_ROOT, filetype, param,
 506                                      &paramlen) == ERROR_SUCCESS)
 507         {
 508             paramlen /= sizeof(WCHAR);
 509             strcatW(command, wSpace);
 510             strcatW(command, param);
 511             commandlen += paramlen;
 512         }
 513 #endif
 514
 515         command[commandlen] = '\0';
 516
 517         return 33; /* FIXME see SHELL_FindExecutable() */
 518     }
 519
 520     return SE_ERR_NOASSOC;
 521 }
 522
 523 /*************************************************************************
 524  *      SHELL_FindExecutable [Internal]
 525  *
 526  * Utility for code sharing between FindExecutable and ShellExecute
 527  * in:
 528  *      lpFile the name of a file
 529  *      lpOperation the operation on it (open)
 530  * out:
 531  *      lpResult a buffer, big enough :-(, to store the command to do the
 532  *              operation on the file
 533  *      key a buffer, big enough, to get the key name to do actually the
 534  *              command (it'll be used afterwards for more information
 535  *              on the operation)
 536  */
 537 UINT SHELL_FindExecutable(LPCWSTR lpPath, LPCWSTR lpFile, LPCWSTR lpOperation,
 538                                  LPWSTR lpResult, int resultLen, LPWSTR key, WCHAR **env, LPITEMIDLIST pidl, LPCWSTR args)
 539 {
 540     static const WCHAR wWindows[] = {'w','i','n','d','o','w','s',0};
 541     static const WCHAR wPrograms[] = {'p','r','o','g','r','a','m','s',0};
 542     static const WCHAR wExtensions[] = {'e','x','e',' ','p','i','f',' ','b','a','t',' ','c','m','d',' ','c','o','m',0};
 543     WCHAR *extension = NULL; /* pointer to file extension */
 544     WCHAR filetype[256];     /* registry name for this filetype */
 545     LONG  filetypelen = sizeof(filetype); /* length of above */
 546     WCHAR command[1024];     /* command from registry */
 547     WCHAR wBuffer[256];      /* Used to GetProfileString */
 548     UINT  retval = SE_ERR_NOASSOC;
 549     WCHAR *tok;              /* token pointer */
 550     WCHAR xlpFile[256];      /* result of SearchPath */
 551     DWORD attribs;           /* file attributes */
 552
 553     TRACE("%s\n", debugstr_w(lpFile));
 554
 555     if (!lpResult)
 556         return ERROR_INVALID_PARAMETER;
 557
 558     xlpFile[0] = '\0';
 559     lpResult[0] = '\0'; /* Start off with an empty return string */
 560     if (key) *key = '\0';
 561
 562     /* trap NULL parameters on entry */
 563     if (!lpFile)
 564     {
 565         WARN("(lpFile=%s,lpResult=%s): NULL parameter\n",
 566              debugstr_w(lpFile), debugstr_w(lpResult));
 567         return ERROR_FILE_NOT_FOUND; /* File not found. Close enough, I guess. */
 568     }
 569
 570     if (SHELL_TryAppPathW( lpFile, lpResult, env ))
 571     {
 572         TRACE("found %s via App Paths\n", debugstr_w(lpResult));
 573         return 33;
 574     }
 575
 576     if (SearchPathW(lpPath, lpFile, wszExe, sizeof(xlpFile)/sizeof(WCHAR), xlpFile, NULL))
 577     {
 578         TRACE("SearchPathW returned non-zero\n");
 579         lpFile = xlpFile;
 580         /* Hey, isn't this value ignored?  Why make this call?  Shouldn't we return here?  --dank*/
 581     }
 582
 583     attribs = GetFileAttributesW(lpFile);
 584     if (attribs!=INVALID_FILE_ATTRIBUTES && (attribs&FILE_ATTRIBUTE_DIRECTORY))
 585     {
 586        strcpyW(filetype, wszFolder);
 587        filetypelen = 6;    /* strlen("Folder") */
 588     }
 589     else
 590     {
 591         /* First thing we need is the file's extension */
 592         extension = strrchrW(xlpFile, '.'); /* Assume last "." is the one; */
 593         /* File->Run in progman uses */
 594         /* .\FILE.EXE :( */
 595         TRACE("xlpFile=%s,extension=%s\n", debugstr_w(xlpFile), debugstr_w(extension));
 596
 597         if (extension == NULL || extension[1]==0)
 598         {
 599             WARN("Returning SE_ERR_NOASSOC\n");
 600             return SE_ERR_NOASSOC;
 601         }
 602
 603         /* Three places to check: */
 604         /* 1. win.ini, [windows], programs (NB no leading '.') */
 605         /* 2. Registry, HKEY_CLASS_ROOT\<filetype>\shell\open\command */
 606         /* 3. win.ini, [extensions], extension (NB no leading '.' */
 607         /* All I know of the order is that registry is checked before */
 608         /* extensions; however, it'd make sense to check the programs */
 609         /* section first, so that's what happens here. */
 610
 611         /* See if it's a program - if GetProfileString fails, we skip this
 612          * section. Actually, if GetProfileString fails, we've probably
 613          * got a lot more to worry about than running a program... */
 614         if (GetProfileStringW(wWindows, wPrograms, wExtensions, wBuffer, sizeof(wBuffer)/sizeof(WCHAR)) > 0)
 615         {
 616             CharLowerW(wBuffer);
 617             tok = wBuffer;
 618             while (*tok)
 619             {
 620                 WCHAR *p = tok;
 621                 while (*p && *p != ' ' && *p != '\t') p++;
 622                 if (*p)
 623                 {
 624                     *p++ = 0;
 625                     while (*p == ' ' || *p == '\t') p++;
 626                 }
 627
 628                 if (strcmpiW(tok, &extension[1]) == 0) /* have to skip the leading "." */
 629                 {
 630                     strcpyW(lpResult, xlpFile);
 631                     /* Need to perhaps check that the file has a path
 632                      * attached */
 633                     TRACE("found %s\n", debugstr_w(lpResult));
 634                     return 33;
 635                     /* Greater than 32 to indicate success */
 636                 }
 637                 tok = p;
 638             }
 639         }
 640
 641         /* Check registry */
 642         if (RegQueryValueW(HKEY_CLASSES_ROOT, extension, filetype,
 643                            &filetypelen) == ERROR_SUCCESS)
 644         {
 645             filetypelen /= sizeof(WCHAR);
 646             if (filetypelen == sizeof(filetype)/sizeof(WCHAR))
 647                 filetypelen--;
 648             filetype[filetypelen] = '\0';
 649             TRACE("File type: %s\n", debugstr_w(filetype));
 650         }
 651         else
 652         {
 653             *filetype = '\0';
 654             filetypelen = 0;
 655         }
 656     }
 657
 658     if (*filetype)
 659     {
 660         /* pass the operation string to SHELL_FindExecutableByOperation() */
 661         filetype[filetypelen] = '\0';
 662         retval = SHELL_FindExecutableByOperation(lpOperation, key, filetype, command, sizeof(command));
 663
 664         if (retval > 32)
 665         {
 666             DWORD finishedLen;
 667             SHELL_ArgifyW(lpResult, resultLen, command, xlpFile, pidl, args, &finishedLen);
 668             if (finishedLen > resultLen)
 669                 ERR("Argify buffer not large enough.. truncated\n");
 670
 671             /* Remove double quotation marks and command line arguments */
 672             if (*lpResult == '"')
 673             {
 674                 WCHAR *p = lpResult;
 675                 while (*(p + 1) != '"')
 676                 {
 677                     *p = *(p + 1);
 678                     p++;
 679                 }
 680                 *p = '\0';
 681             }
 682             else
 683             {
 684                 /* Truncate on first space */
 685                 WCHAR *p = lpResult;
 686                 while (*p != ' ' && *p != '\0')
 687                     p++;
 688                 *p='\0';
 689             }
 690         }
 691     }
 692     else /* Check win.ini */
 693     {
 694         static const WCHAR wExtensions[] = {'e','x','t','e','n','s','i','o','n','s',0};
 695
 696         /* Toss the leading dot */
 697         extension++;
 698         if (GetProfileStringW(wExtensions, extension, wszEmpty, command, sizeof(command)/sizeof(WCHAR)) > 0)
 699         {
 700             if (strlenW(command) != 0)
 701             {
 702                 strcpyW(lpResult, command);
 703                 tok = strchrW(lpResult, '^'); /* should be ^.extension? */
 704                 if (tok != NULL)
 705                 {
 706                     tok[0] = '\0';
 707                     strcatW(lpResult, xlpFile); /* what if no dir in xlpFile? */
 708                     tok = strchrW(command, '^'); /* see above */
 709                     if ((tok != NULL) && (strlenW(tok)>5))
 710                     {
 711                         strcatW(lpResult, &tok[5]);
 712                     }
 713                 }
 714                 retval = 33; /* FIXME - see above */
 715             }
 716         }
 717     }
 718
 719     TRACE("returning %s\n", debugstr_w(lpResult));
 720     return retval;
 721 }
 722
 723 /******************************************************************
 724  *              dde_cb
 725  *
 726  * callback for the DDE connection. not really useful
 727  */
 728 static HDDEDATA CALLBACK dde_cb(UINT uType, UINT uFmt, HCONV hConv,
 729                                 HSZ hsz1, HSZ hsz2, HDDEDATA hData,
 730                                 ULONG_PTR dwData1, ULONG_PTR dwData2)
 731 {
 732     TRACE("dde_cb: %04x, %04x, %p, %p, %p, %p, %08lx, %08lx\n",
 733            uType, uFmt, hConv, hsz1, hsz2, hData, dwData1, dwData2);
 734     return NULL;
 735 }
 736
 737 /******************************************************************
 738  *              dde_connect
 739  *
 740  * ShellExecute helper. Used to do an operation with a DDE connection
 741  *
 742  * Handles both the direct connection (try #1), and if it fails,
 743  * launching an application and trying (#2) to connect to it
 744  *
 745  */
 746 static unsigned dde_connect(const WCHAR* key, const WCHAR* start, WCHAR* ddeexec,
 747                             const WCHAR* lpFile, WCHAR *env,
 748                             LPCWSTR szCommandline, LPITEMIDLIST pidl, SHELL_ExecuteW32 execfunc,
 749                             const SHELLEXECUTEINFOW *psei, LPSHELLEXECUTEINFOW psei_out)
 750 {
 751     static const WCHAR wApplication[] = {'\\','a','p','p','l','i','c','a','t','i','o','n',0};
 752     static const WCHAR wTopic[] = {'\\','t','o','p','i','c',0};
 753     WCHAR       regkey[256];
 754     WCHAR *     endkey = regkey + strlenW(key);
 755     WCHAR       app[256], topic[256], ifexec[256], res[256];
 756     LONG        applen, topiclen, ifexeclen;
 757     WCHAR *     exec;
 758     DWORD       ddeInst = 0;
 759     DWORD       tid;
 760     DWORD       resultLen;
 761     HSZ         hszApp, hszTopic;
 762     HCONV       hConv;
 763     HDDEDATA    hDdeData;
 764     unsigned    ret = SE_ERR_NOASSOC;
 765     BOOL unicode = !(GetVersion() & 0x80000000);
 766
 767     strcpyW(regkey, key);
 768     strcpyW(endkey, wApplication);
 769     applen = sizeof(app);
 770     if (RegQueryValueW(HKEY_CLASSES_ROOT, regkey, app, &applen) != ERROR_SUCCESS)
 771     {
 772         WCHAR command[1024], fullpath[MAX_PATH];
 773         static const WCHAR wSo[] = { '.','s','o',0 };
 774         int sizeSo = sizeof(wSo)/sizeof(WCHAR);
 775         LPWSTR ptr = NULL;
 776         DWORD ret = 0;
 777
 778         /* Get application command from start string and find filename of application */
 779         if (*start == '"')
 780         {
 781             strcpyW(command, start+1);
 782             if ((ptr = strchrW(command, '"')))
 783                 *ptr = 0;
 784             ret = SearchPathW(NULL, command, wszExe, sizeof(fullpath)/sizeof(WCHAR), fullpath, &ptr);
 785         }
 786         else
 787         {
 788             LPWSTR p,space;
 789             for (p=(LPWSTR)start; (space=strchrW(p, ' ')); p=space+1)
 790             {
 791                 int idx = space-start;
 792                 memcpy(command, start, idx*sizeof(WCHAR));
 793                 command[idx] = '\0';
 794                 if ((ret = SearchPathW(NULL, command, wszExe, sizeof(fullpath)/sizeof(WCHAR), fullpath, &ptr)))
 795                     break;
 796             }
 797             if (!ret)
 798                 ret = SearchPathW(NULL, start, wszExe, sizeof(fullpath)/sizeof(WCHAR), fullpath, &ptr);
 799         }
 800
 801         if (!ret)
 802         {
 803             ERR("Unable to find application path for command %s\n", debugstr_w(start));
 804             return ERROR_ACCESS_DENIED;
 805         }
 806         strcpyW(app, ptr);
 807
 808         /* Remove extensions (including .so) */
 809         ptr = app + strlenW(app) - (sizeSo-1);
 810         if (strlenW(app) >= sizeSo &&
 811             !strcmpW(ptr, wSo))
 812             *ptr = 0;
 813
 814         ptr = strrchrW(app, '.');
 815         assert(ptr);
 816         *ptr = 0;
 817     }
 818
 819     strcpyW(endkey, wTopic);
 820     topiclen = sizeof(topic);
 821     if (RegQueryValueW(HKEY_CLASSES_ROOT, regkey, topic, &topiclen) != ERROR_SUCCESS)
 822     {
 823         static const WCHAR wSystem[] = {'S','y','s','t','e','m',0};
 824         strcpyW(topic, wSystem);
 825     }
 826
 827     if (unicode)
 828     {
 829         if (DdeInitializeW(&ddeInst, dde_cb, APPCMD_CLIENTONLY, 0L) != DMLERR_NO_ERROR)
 830             return 2;
 831     }
 832     else
 833     {
 834         if (DdeInitializeA(&ddeInst, dde_cb, APPCMD_CLIENTONLY, 0L) != DMLERR_NO_ERROR)
 835             return 2;
 836     }
 837
 838     hszApp = DdeCreateStringHandleW(ddeInst, app, CP_WINUNICODE);
 839     hszTopic = DdeCreateStringHandleW(ddeInst, topic, CP_WINUNICODE);
 840
 841     hConv = DdeConnect(ddeInst, hszApp, hszTopic, NULL);
 842     exec = ddeexec;
 843     if (!hConv)
 844     {
 845         static const WCHAR wIfexec[] = {'\\','i','f','e','x','e','c',0};
 846         TRACE("Launching %s\n", debugstr_w(start));
 847         ret = execfunc(start, env, TRUE, psei, psei_out);
 848         if (ret <= 32)
 849         {
 850             TRACE("Couldn't launch\n");
 851             goto error;
 852         }
 853         hConv = DdeConnect(ddeInst, hszApp, hszTopic, NULL);
 854         if (!hConv)
 855         {
 856             TRACE("Couldn't connect. ret=%d\n", ret);
 857             DdeUninitialize(ddeInst);
 858             SetLastError(ERROR_DDE_FAIL);
 859             return 30; /* whatever */
 860         }
 861         strcpyW(endkey, wIfexec);
 862         ifexeclen = sizeof(ifexec);
 863         if (RegQueryValueW(HKEY_CLASSES_ROOT, regkey, ifexec, &ifexeclen) == ERROR_SUCCESS)
 864         {
 865             exec = ifexec;
 866         }
 867     }
 868
 869     SHELL_ArgifyW(res, sizeof(res)/sizeof(WCHAR), exec, lpFile, pidl, szCommandline, &resultLen);
 870     if (resultLen > sizeof(res)/sizeof(WCHAR))
 871         ERR("Argify buffer not large enough, truncated\n");
 872     TRACE("%s %s => %s\n", debugstr_w(exec), debugstr_w(lpFile), debugstr_w(res));
 873
 874     /* It's documented in the KB 330337 that IE has a bug and returns
 875      * error DMLERR_NOTPROCESSED on XTYP_EXECUTE request.
 876      */
 877     if (unicode)
 878         hDdeData = DdeClientTransaction((LPBYTE)res, (strlenW(res) + 1) * sizeof(WCHAR), hConv, 0L, 0,
 879                                          XTYP_EXECUTE, 30000, &tid);
 880     else
 881     {
 882         DWORD lenA = WideCharToMultiByte(CP_ACP, 0, res, -1, NULL, 0, NULL, NULL);
 883         char *resA = HeapAlloc(GetProcessHeap(), 0, lenA);
 884         WideCharToMultiByte(CP_ACP, 0, res, -1, resA, lenA, NULL, NULL);
 885         hDdeData = DdeClientTransaction( (LPBYTE)resA, lenA, hConv, 0L, 0,
 886                                          XTYP_EXECUTE, 10000, &tid );
 887         HeapFree(GetProcessHeap(), 0, resA);
 888     }
 889     if (hDdeData)
 890         DdeFreeDataHandle(hDdeData);
 891     else
 892         WARN("DdeClientTransaction failed with error %04x\n", DdeGetLastError(ddeInst));
 893     ret = 33;
 894
 895     DdeDisconnect(hConv);
 896
 897  error:
 898     DdeUninitialize(ddeInst);
 899
 900     return ret;
 901 }
 902
 903 /*************************************************************************
 904  *      execute_from_key [Internal]
 905  */
 906 static UINT_PTR execute_from_key(LPCWSTR key, LPCWSTR lpFile, WCHAR *env, LPCWSTR szCommandline,
 907                              LPCWSTR executable_name,
 908                              SHELL_ExecuteW32 execfunc,
 909                              LPSHELLEXECUTEINFOW psei, LPSHELLEXECUTEINFOW psei_out)
 910 {
 911     static const WCHAR wCommand[] = {'c','o','m','m','a','n','d',0};
 912     static const WCHAR wDdeexec[] = {'d','d','e','e','x','e','c',0};
 913     WCHAR cmd[256], param[1024], ddeexec[256];
 914     LONG cmdlen = sizeof(cmd), ddeexeclen = sizeof(ddeexec);
 915     UINT_PTR retval = SE_ERR_NOASSOC;
 916     DWORD resultLen;
 917     LPWSTR tmp;
 918
 919     TRACE("%s %s %s %s %s\n", debugstr_w(key), debugstr_w(lpFile), debugstr_w(env),
 920            debugstr_w(szCommandline), debugstr_w(executable_name));
 921
 922     cmd[0] = '\0';
 923     param[0] = '\0';
 924
 925     /* Get the application from the registry */
 926     if (RegQueryValueW(HKEY_CLASSES_ROOT, key, cmd, &cmdlen) == ERROR_SUCCESS)
 927     {
 928         TRACE("got cmd: %s\n", debugstr_w(cmd));
 929
 930         /* Is there a replace() function anywhere? */
 931         cmdlen /= sizeof(WCHAR);
 932         cmd[cmdlen] = '\0';
 933         SHELL_ArgifyW(param, sizeof(param)/sizeof(WCHAR), cmd, lpFile, psei->lpIDList, szCommandline, &resultLen);
 934         if (resultLen > sizeof(param)/sizeof(WCHAR))
 935             ERR("Argify buffer not large enough, truncating\n");
 936     }
 937
 938     /* Get the parameters needed by the application
 939        from the associated ddeexec key */
 940     tmp = strstrW(key, wCommand);
 941     assert(tmp);
 942     strcpyW(tmp, wDdeexec);
 943
 944     if (RegQueryValueW(HKEY_CLASSES_ROOT, key, ddeexec, &ddeexeclen) == ERROR_SUCCESS)
 945     {
 946         TRACE("Got ddeexec %s => %s\n", debugstr_w(key), debugstr_w(ddeexec));
 947         if (!param[0]) strcpyW(param, executable_name);
 948         retval = dde_connect(key, param, ddeexec, lpFile, env, szCommandline, psei->lpIDList, execfunc, psei, psei_out);
 949     }
 950     else if (param[0])
 951     {
 952         TRACE("executing: %s\n", debugstr_w(param));
 953         retval = execfunc(param, env, FALSE, psei, psei_out);
 954     }
 955     else
 956         WARN("Nothing appropriate found for %s\n", debugstr_w(key));
 957
 958     return retval;
 959 }
 960
 961 /*************************************************************************
 962  * FindExecutableA                      [SHELL32.@]
 963  */
 964 HINSTANCE WINAPI FindExecutableA(LPCSTR lpFile, LPCSTR lpDirectory, LPSTR lpResult)
 965 {
 966     HINSTANCE retval;
 967     WCHAR *wFile = NULL, *wDirectory = NULL;
 968     WCHAR wResult[MAX_PATH];
 969
 970     if (lpFile) __SHCloneStrAtoW(&wFile, lpFile);
 971     if (lpDirectory) __SHCloneStrAtoW(&wDirectory, lpDirectory);
 972
 973     retval = FindExecutableW(wFile, wDirectory, wResult);
 974     WideCharToMultiByte(CP_ACP, 0, wResult, -1, lpResult, MAX_PATH, NULL, NULL);
 975     SHFree( wFile );
 976     SHFree( wDirectory );
 977
 978     TRACE("returning %s\n", lpResult);
 979     return retval;
 980 }
 981
 982 /*************************************************************************
 983  * FindExecutableW                      [SHELL32.@]
 984  *
 985  * This function returns the executable associated with the specified file
 986  * for the default verb.
 987  *
 988  * PARAMS
 989  *  lpFile   [I] The file to find the association for. This must refer to
 990  *               an existing file otherwise FindExecutable fails and returns
 991  *               SE_ERR_FNF.
 992  *  lpResult [O] Points to a buffer into which the executable path is
 993  *               copied. This parameter must not be NULL otherwise
 994  *               FindExecutable() segfaults. The buffer must be of size at
 995  *               least MAX_PATH characters.
 996  *
 997  * RETURNS
 998  *  A value greater than 32 on success, less than or equal to 32 otherwise.
 999  *  See the SE_ERR_* constants.
1000  *
1001  * NOTES
1002  *  On Windows XP and 2003, FindExecutable() seems to first convert the
1003  *  filename into 8.3 format, thus taking into account only the first three
1004  *  characters of the extension, and expects to find an association for those.
1005  *  However other Windows versions behave sanely.
1006  */
1007 HINSTANCE WINAPI FindExecutableW(LPCWSTR lpFile, LPCWSTR lpDirectory, LPWSTR lpResult)
1008 {
1009     UINT_PTR retval = SE_ERR_NOASSOC;
1010     WCHAR old_dir[1024];
1011
1012     TRACE("File %s, Dir %s\n", debugstr_w(lpFile), debugstr_w(lpDirectory));
1013
1014     lpResult[0] = '\0'; /* Start off with an empty return string */
1015     if (lpFile == NULL)
1016         return (HINSTANCE)SE_ERR_FNF;
1017
1018     if (lpDirectory)
1019     {
1020         GetCurrentDirectoryW(sizeof(old_dir)/sizeof(WCHAR), old_dir);
1021         SetCurrentDirectoryW(lpDirectory);
1022     }
1023
1024     retval = SHELL_FindExecutable(lpDirectory, lpFile, wszOpen, lpResult, MAX_PATH, NULL, NULL, NULL, NULL);
1025
1026     TRACE("returning %s\n", debugstr_w(lpResult));
1027     if (lpDirectory)
1028         SetCurrentDirectoryW(old_dir);
1029     return (HINSTANCE)retval;
1030 }
1031
1032 /* FIXME: is this already implemented somewhere else? */
1033 static HKEY ShellExecute_GetClassKey( const SHELLEXECUTEINFOW *sei )
1034 {
1035     LPCWSTR ext = NULL, lpClass = NULL;
1036     LPWSTR cls = NULL;
1037     DWORD type = 0, sz = 0;
1038     HKEY hkey = 0;
1039     LONG r;
1040
1041     if (sei->fMask & SEE_MASK_CLASSALL)
1042         return sei->hkeyClass;
1043
1044     if (sei->fMask & SEE_MASK_CLASSNAME)
1045         lpClass = sei->lpClass;
1046     else
1047     {
1048         ext = PathFindExtensionW( sei->lpFile );
1049         TRACE("ext = %s\n", debugstr_w( ext ) );
1050         if (!ext)
1051             return hkey;
1052
1053         r = RegOpenKeyW( HKEY_CLASSES_ROOT, ext, &hkey );
1054         if (r != ERROR_SUCCESS )
1055             return hkey;
1056
1057         r = RegQueryValueExW( hkey, NULL, 0, &type, NULL, &sz );
1058         if ( r == ERROR_SUCCESS && type == REG_SZ )
1059         {
1060             sz += sizeof (WCHAR);
1061             cls = HeapAlloc( GetProcessHeap(), 0, sz );
1062             cls[0] = 0;
1063             RegQueryValueExW( hkey, NULL, 0, &type, (LPBYTE) cls, &sz );
1064         }
1065
1066         RegCloseKey( hkey );
1067         lpClass = cls;
1068     }
1069
1070     TRACE("class = %s\n", debugstr_w(lpClass) );
1071
1072     hkey = 0;
1073     if ( lpClass )
1074         RegOpenKeyW( HKEY_CLASSES_ROOT, lpClass, &hkey );
1075
1076     HeapFree( GetProcessHeap(), 0, cls );
1077
1078     return hkey;
1079 }
1080
1081 static IDataObject *shellex_get_dataobj( LPSHELLEXECUTEINFOW sei )
1082 {
1083     LPCITEMIDLIST pidllast = NULL;
1084     IDataObject *dataobj = NULL;
1085     IShellFolder *shf = NULL;
1086     LPITEMIDLIST pidl = NULL;
1087     HRESULT r;
1088
1089     if (sei->fMask & SEE_MASK_CLASSALL)
1090         pidl = sei->lpIDList;
1091     else
1092     {
1093         WCHAR fullpath[MAX_PATH];
1094
1095         fullpath[0] = 0;
1096         r = GetFullPathNameW( sei->lpFile, MAX_PATH, fullpath, NULL );
1097         if (!r)
1098             goto end;
1099
1100         pidl = ILCreateFromPathW( fullpath );
1101     }
1102
1103     r = SHBindToParent( pidl, &IID_IShellFolder, (LPVOID*)&shf, &pidllast );
1104     if ( FAILED( r ) )
1105         goto end;
1106
1107     IShellFolder_GetUIObjectOf( shf, NULL, 1, &pidllast,
1108                                 &IID_IDataObject, NULL, (LPVOID*) &dataobj );
1109
1110 end:
1111     if ( pidl != sei->lpIDList )
1112         ILFree( pidl );
1113     if ( shf )
1114         IShellFolder_Release( shf );
1115     return dataobj;
1116 }
1117
1118 static HRESULT shellex_run_context_menu_default( IShellExtInit *obj,
1119                                                  LPSHELLEXECUTEINFOW sei )
1120 {
1121     IContextMenu *cm = NULL;
1122     CMINVOKECOMMANDINFOEX ici;
1123     MENUITEMINFOW info;
1124     WCHAR string[0x80];
1125     INT i, n, def = -1;
1126     HMENU hmenu = 0;
1127     HRESULT r;
1128
1129     TRACE("%p %p\n", obj, sei );
1130
1131     r = IShellExtInit_QueryInterface( obj, &IID_IContextMenu, (LPVOID*) &cm );
1132     if ( FAILED( r ) )
1133         return r;
1134
1135     hmenu = CreateMenu();
1136     if ( !hmenu )
1137         goto end;
1138
1139     /* the number of the last menu added is returned in r */
1140     r = IContextMenu_QueryContextMenu( cm, hmenu, 0, 0x20, 0x7fff, CMF_DEFAULTONLY );
1141     if ( FAILED( r ) )
1142         goto end;
1143
1144     n = GetMenuItemCount( hmenu );
1145     for ( i = 0; i < n; i++ )
1146     {
1147         memset( &info, 0, sizeof info );
1148         info.cbSize = sizeof info;
1149         info.fMask = MIIM_FTYPE | MIIM_STRING | MIIM_STATE | MIIM_DATA | MIIM_ID;
1150         info.dwTypeData = string;
1151         info.cch = sizeof string;
1152         string[0] = 0;
1153         GetMenuItemInfoW( hmenu, i, TRUE, &info );
1154
1155         TRACE("menu %d %s %08x %08lx %08x %08x\n", i, debugstr_w(string),
1156             info.fState, info.dwItemData, info.fType, info.wID );
1157         if ( ( !sei->lpVerb && (info.fState & MFS_DEFAULT) ) ||
1158              ( sei->lpVerb && !lstrcmpiW( sei->lpVerb, string ) ) )
1159         {
1160             def = i;
1161             break;
1162         }
1163     }
1164
1165     r = E_FAIL;
1166     if ( def == -1 )
1167         goto end;
1168
1169     memset( &ici, 0, sizeof ici );
1170     ici.cbSize = sizeof ici;
1171     ici.fMask = CMIC_MASK_UNICODE | (sei->fMask & (SEE_MASK_NOASYNC|SEE_MASK_ASYNCOK|SEE_MASK_FLAG_NO_UI));
1172     ici.nShow = sei->nShow;
1173     ici.lpVerb = MAKEINTRESOURCEA( def );
1174     ici.hwnd = sei->hwnd;
1175     ici.lpParametersW = sei->lpParameters;
1176
1177     r = IContextMenu_InvokeCommand( cm, (LPCMINVOKECOMMANDINFO) &ici );
1178
1179     TRACE("invoke command returned %08x\n", r );
1180
1181 end:
1182     if ( hmenu )
1183         DestroyMenu( hmenu );
1184     if ( cm )
1185         IContextMenu_Release( cm );
1186     return r;
1187 }
1188
1189 static HRESULT shellex_load_object_and_run( HKEY hkey, LPCGUID guid, LPSHELLEXECUTEINFOW sei )
1190 {
1191     IDataObject *dataobj = NULL;
1192     IObjectWithSite *ows = NULL;
1193     IShellExtInit *obj = NULL;
1194     HRESULT r;
1195
1196     TRACE("%p %s %p\n", hkey, debugstr_guid( guid ), sei );
1197
1198     r = CoInitialize( NULL );
1199     if ( FAILED( r ) )
1200         goto end;
1201
1202     r = CoCreateInstance( guid, NULL, CLSCTX_INPROC_SERVER,
1203                            &IID_IShellExtInit, (LPVOID*)&obj );
1204     if ( FAILED( r ) )
1205     {
1206         ERR("failed %08x\n", r );
1207         goto end;
1208     }
1209
1210     dataobj = shellex_get_dataobj( sei );
1211     if ( !dataobj )
1212     {
1213         ERR("failed to get data object\n");
1214         goto end;
1215     }
1216
1217     r = IShellExtInit_Initialize( obj, NULL, dataobj, hkey );
1218     if ( FAILED( r ) )
1219         goto end;
1220
1221     r = IShellExtInit_QueryInterface( obj, &IID_IObjectWithSite, (LPVOID*) &ows );
1222     if ( FAILED( r ) )
1223         goto end;
1224
1225     IObjectWithSite_SetSite( ows, NULL );
1226
1227     r = shellex_run_context_menu_default( obj, sei );
1228
1229 end:
1230     if ( ows )
1231         IObjectWithSite_Release( ows );
1232     if ( dataobj )
1233         IDataObject_Release( dataobj );
1234     if ( obj )
1235         IShellExtInit_Release( obj );
1236     CoUninitialize();
1237     return r;
1238 }
1239
1240
1241 /*************************************************************************
1242  *      ShellExecute_FromContextMenu [Internal]
1243  */
1244 static LONG ShellExecute_FromContextMenu( LPSHELLEXECUTEINFOW sei )
1245 {
1246     static const WCHAR szcm[] = { 's','h','e','l','l','e','x','\\',
1247         'C','o','n','t','e','x','t','M','e','n','u','H','a','n','d','l','e','r','s',0 };
1248     HKEY hkey, hkeycm = 0;
1249     WCHAR szguid[39];
1250     HRESULT hr;
1251     GUID guid;
1252     DWORD i;
1253     LONG r;
1254
1255     TRACE("%s\n", debugstr_w(sei->lpFile) );
1256
1257     hkey = ShellExecute_GetClassKey( sei );
1258     if ( !hkey )
1259         return ERROR_FUNCTION_FAILED;
1260
1261     r = RegOpenKeyW( hkey, szcm, &hkeycm );
1262     if ( r == ERROR_SUCCESS )
1263     {
1264         i = 0;
1265         while ( 1 )
1266         {
1267             r = RegEnumKeyW( hkeycm, i++, szguid, sizeof(szguid)/sizeof(szguid[0]) );
1268             if ( r != ERROR_SUCCESS )
1269                 break;
1270
1271             hr = CLSIDFromString( szguid, &guid );
1272             if (SUCCEEDED(hr))
1273             {
1274                 /* stop at the first one that succeeds in running */
1275                 hr = shellex_load_object_and_run( hkey, &guid, sei );
1276                 if ( SUCCEEDED( hr ) )
1277                     break;
1278             }
1279         }
1280         RegCloseKey( hkeycm );
1281     }
1282
1283     if ( hkey != sei->hkeyClass )
1284         RegCloseKey( hkey );
1285     return r;
1286 }
1287
1288 static UINT_PTR SHELL_execute_class( LPCWSTR wszApplicationName, LPSHELLEXECUTEINFOW psei, LPSHELLEXECUTEINFOW psei_out, SHELL_ExecuteW32 execfunc )
1289 {
1290     static const WCHAR wSpace[] = {' ',0};
1291     WCHAR execCmd[1024], wcmd[1024];
1292     /* launch a document by fileclass like 'WordPad.Document.1' */
1293     /* the Commandline contains 'c:\Path\wordpad.exe "%1"' */
1294     /* FIXME: wcmd should not be of a fixed size. Fixed to 1024, MAX_PATH is way too short! */
1295     ULONG cmask=(psei->fMask & SEE_MASK_CLASSALL);
1296     DWORD resultLen;
1297     BOOL done;
1298
1299     HCR_GetExecuteCommandW((cmask == SEE_MASK_CLASSKEY) ? psei->hkeyClass : NULL,
1300                            (cmask == SEE_MASK_CLASSNAME) ? psei->lpClass: NULL,
1301                            psei->lpVerb,
1302                            execCmd, sizeof(execCmd));
1303
1304     /* FIXME: get the extension of lpFile, check if it fits to the lpClass */
1305     TRACE("SEE_MASK_CLASSNAME->%s, doc->%s\n", debugstr_w(execCmd), debugstr_w(wszApplicationName));
1306
1307     wcmd[0] = '\0';
1308     done = SHELL_ArgifyW(wcmd, sizeof(wcmd)/sizeof(WCHAR), execCmd, wszApplicationName, psei->lpIDList, NULL, &resultLen);
1309     if (!done && wszApplicationName[0])
1310     {
1311         strcatW(wcmd, wSpace);
1312         strcatW(wcmd, wszApplicationName);
1313     }
1314     if (resultLen > sizeof(wcmd)/sizeof(WCHAR))
1315         ERR("Argify buffer not large enough... truncating\n");
1316     return execfunc(wcmd, NULL, FALSE, psei, psei_out);
1317 }
1318
1319 static BOOL SHELL_translate_idlist( LPSHELLEXECUTEINFOW sei, LPWSTR wszParameters, DWORD parametersLen, LPWSTR wszApplicationName, DWORD dwApplicationNameLen )
1320 {
1321     static const WCHAR wExplorer[] = {'e','x','p','l','o','r','e','r','.','e','x','e',0};
1322     WCHAR buffer[MAX_PATH];
1323     BOOL appKnownSingular = FALSE;
1324
1325     /* last chance to translate IDList: now also allow CLSID paths */
1326     if (SUCCEEDED(SHELL_GetPathFromIDListForExecuteW(sei->lpIDList, buffer, sizeof(buffer)))) {
1327         if (buffer[0]==':' && buffer[1]==':') {
1328             /* open shell folder for the specified class GUID */
1329             if (lstrlenW(buffer) + 1 > parametersLen)
1330                 ERR("parameters len exceeds buffer size (%i > %i), truncating\n",
1331                     lstrlenW(buffer) + 1, parametersLen);
1332             lstrcpynW(wszParameters, buffer, parametersLen);
1333             if (lstrlenW(wExplorer) > dwApplicationNameLen)
1334                 ERR("application len exceeds buffer size (%i > %i), truncating\n",
1335                     lstrlenW(wExplorer) + 1, dwApplicationNameLen);
1336             lstrcpynW(wszApplicationName, wExplorer, dwApplicationNameLen);
1337             appKnownSingular = TRUE;
1338
1339             sei->fMask &= ~SEE_MASK_INVOKEIDLIST;
1340         } else {
1341             WCHAR target[MAX_PATH];
1342             DWORD attribs;
1343             DWORD resultLen;
1344             /* Check if we're executing a directory and if so use the
1345                handler for the Folder class */
1346             strcpyW(target, buffer);
1347             attribs = GetFileAttributesW(buffer);
1348             if (attribs != INVALID_FILE_ATTRIBUTES &&
1349                 (attribs & FILE_ATTRIBUTE_DIRECTORY) &&
1350                 HCR_GetExecuteCommandW(0, wszFolder,
1351                                        sei->lpVerb,
1352                                        buffer, sizeof(buffer))) {
1353                 SHELL_ArgifyW(wszApplicationName, dwApplicationNameLen,
1354                               buffer, target, sei->lpIDList, NULL, &resultLen);
1355                 if (resultLen > dwApplicationNameLen)
1356                     ERR("Argify buffer not large enough... truncating\n");
1357                 appKnownSingular = FALSE;
1358             }
1359             sei->fMask &= ~SEE_MASK_INVOKEIDLIST;
1360         }
1361     }
1362     return appKnownSingular;
1363 }
1364
1365 static UINT_PTR SHELL_quote_and_execute( LPCWSTR wcmd, LPCWSTR wszParameters, LPCWSTR lpstrProtocol, LPCWSTR wszApplicationName, LPWSTR env, LPSHELLEXECUTEINFOW psei, LPSHELLEXECUTEINFOW psei_out, SHELL_ExecuteW32 execfunc )
1366 {
1367     static const WCHAR wQuote[] = {'"',0};
1368     static const WCHAR wSpace[] = {' ',0};
1369     UINT_PTR retval;
1370     DWORD len;
1371     WCHAR *wszQuotedCmd;
1372
1373     /* Length of quotes plus length of command plus NULL terminator */
1374     len = 2 + lstrlenW(wcmd) + 1;
1375     if (wszParameters[0])
1376     {
1377         /* Length of space plus length of parameters */
1378         len += 1 + lstrlenW(wszParameters);
1379     }
1380     wszQuotedCmd = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
1381     /* Must quote to handle case where cmd contains spaces,
1382      * else security hole if malicious user creates executable file "C:\\Program"
1383      */
1384     strcpyW(wszQuotedCmd, wQuote);
1385     strcatW(wszQuotedCmd, wcmd);
1386     strcatW(wszQuotedCmd, wQuote);
1387     if (wszParameters[0]) {
1388         strcatW(wszQuotedCmd, wSpace);
1389         strcatW(wszQuotedCmd, wszParameters);
1390     }
1391     TRACE("%s/%s => %s/%s\n", debugstr_w(wszApplicationName), debugstr_w(psei->lpVerb), debugstr_w(wszQuotedCmd), debugstr_w(lpstrProtocol));
1392     if (*lpstrProtocol)
1393         retval = execute_from_key(lpstrProtocol, wszApplicationName, env, psei->lpParameters, wcmd, execfunc, psei, psei_out);
1394     else
1395         retval = execfunc(wszQuotedCmd, env, FALSE, psei, psei_out);
1396     HeapFree(GetProcessHeap(), 0, wszQuotedCmd);
1397     return retval;
1398 }
1399
1400 static UINT_PTR SHELL_execute_url( LPCWSTR lpFile, LPCWSTR wFile, LPCWSTR wcmd, LPSHELLEXECUTEINFOW psei, LPSHELLEXECUTEINFOW psei_out, SHELL_ExecuteW32 execfunc )
1401 {
1402     static const WCHAR wShell[] = {'\\','s','h','e','l','l','\\',0};
1403     static const WCHAR wCommand[] = {'\\','c','o','m','m','a','n','d',0};
1404     UINT_PTR retval;
1405     WCHAR *lpstrProtocol;
1406     LPCWSTR lpstrRes;
1407     INT iSize;
1408     DWORD len;
1409
1410     lpstrRes = strchrW(lpFile, ':');
1411     if (lpstrRes)
1412         iSize = lpstrRes - lpFile;
1413     else
1414         iSize = strlenW(lpFile);
1415
1416     TRACE("Got URL: %s\n", debugstr_w(lpFile));
1417     /* Looking for ...protocol\shell\lpOperation\command */
1418     len = iSize + lstrlenW(wShell) + lstrlenW(wCommand) + 1;
1419     if (psei->lpVerb)
1420         len += lstrlenW(psei->lpVerb);
1421     else
1422         len += lstrlenW(wszOpen);
1423     lpstrProtocol = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
1424     memcpy(lpstrProtocol, lpFile, iSize*sizeof(WCHAR));
1425     lpstrProtocol[iSize] = '\0';
1426     strcatW(lpstrProtocol, wShell);
1427     strcatW(lpstrProtocol, psei->lpVerb? psei->lpVerb: wszOpen);
1428     strcatW(lpstrProtocol, wCommand);
1429
1430     /* Remove File Protocol from lpFile */
1431     /* In the case file://path/file     */
1432     if (!strncmpiW(lpFile, wFile, iSize))
1433     {
1434         lpFile += iSize;
1435         while (*lpFile == ':') lpFile++;
1436     }
1437     retval = execute_from_key(lpstrProtocol, lpFile, NULL, psei->lpParameters,
1438                               wcmd, execfunc, psei, psei_out);
1439     HeapFree(GetProcessHeap(), 0, lpstrProtocol);
1440     return retval;
1441 }
1442
1443 /*************************************************************************
1444  *      SHELL_execute [Internal]
1445  */
1446 BOOL SHELL_execute( LPSHELLEXECUTEINFOW sei, SHELL_ExecuteW32 execfunc )
1447 {
1448     static const WCHAR wSpace[] = {' ',0};
1449     static const WCHAR wWww[] = {'w','w','w',0};
1450     static const WCHAR wFile[] = {'f','i','l','e',0};
1451     static const WCHAR wHttp[] = {'h','t','t','p',':','/','/',0};
1452     static const DWORD unsupportedFlags =
1453         SEE_MASK_INVOKEIDLIST  | SEE_MASK_ICON         | SEE_MASK_HOTKEY |
1454         SEE_MASK_CONNECTNETDRV | SEE_MASK_FLAG_DDEWAIT | SEE_MASK_FLAG_NO_UI |
1455         SEE_MASK_UNICODE       | SEE_MASK_ASYNCOK      | SEE_MASK_HMONITOR;
1456
1457     WCHAR parametersBuffer[1024], dirBuffer[MAX_PATH], wcmdBuffer[1024];
1458     WCHAR *wszApplicationName, *wszParameters, *wszDir, *wcmd;
1459     DWORD dwApplicationNameLen = MAX_PATH+2;
1460     DWORD parametersLen = sizeof(parametersBuffer) / sizeof(WCHAR);
1461     DWORD dirLen = sizeof(dirBuffer) / sizeof(WCHAR);
1462     DWORD wcmdLen = sizeof(wcmdBuffer) / sizeof(WCHAR);
1463     DWORD len;
1464     SHELLEXECUTEINFOW sei_tmp;  /* modifiable copy of SHELLEXECUTEINFO struct */
1465     WCHAR wfileName[MAX_PATH];
1466     WCHAR *env;
1467     WCHAR lpstrProtocol[256];
1468     LPCWSTR lpFile;
1469     UINT_PTR retval = SE_ERR_NOASSOC;
1470     BOOL appKnownSingular = FALSE;
1471
1472     /* make a local copy of the LPSHELLEXECUTEINFO structure and work with this from now on */
1473     sei_tmp = *sei;
1474
1475     TRACE("mask=0x%08x hwnd=%p verb=%s file=%s parm=%s dir=%s show=0x%08x class=%s\n",
1476             sei_tmp.fMask, sei_tmp.hwnd, debugstr_w(sei_tmp.lpVerb),
1477             debugstr_w(sei_tmp.lpFile), debugstr_w(sei_tmp.lpParameters),
1478             debugstr_w(sei_tmp.lpDirectory), sei_tmp.nShow,
1479             ((sei_tmp.fMask & SEE_MASK_CLASSALL) == SEE_MASK_CLASSNAME) ?
1480                 debugstr_w(sei_tmp.lpClass) : "not used");
1481
1482     sei->hProcess = NULL;
1483
1484     /* make copies of all path/command strings */
1485     if (!sei_tmp.lpFile)
1486     {
1487         wszApplicationName = HeapAlloc(GetProcessHeap(), 0, dwApplicationNameLen*sizeof(WCHAR));
1488         *wszApplicationName = '\0';
1489     }
1490     else if (*sei_tmp.lpFile == '\"')
1491     {
1492         DWORD l = strlenW(sei_tmp.lpFile+1);
1493         if(l >= dwApplicationNameLen) dwApplicationNameLen = l+1;
1494         wszApplicationName = HeapAlloc(GetProcessHeap(), 0, dwApplicationNameLen*sizeof(WCHAR));
1495         memcpy(wszApplicationName, sei_tmp.lpFile+1, (l+1)*sizeof(WCHAR));
1496         if (wszApplicationName[l-1] == '\"')
1497             wszApplicationName[l-1] = '\0';
1498         appKnownSingular = TRUE;
1499         TRACE("wszApplicationName=%s\n",debugstr_w(wszApplicationName));
1500     } else {
1501         DWORD l = strlenW(sei_tmp.lpFile)+1;
1502         if(l > dwApplicationNameLen) dwApplicationNameLen = l+1;
1503         wszApplicationName = HeapAlloc(GetProcessHeap(), 0, dwApplicationNameLen*sizeof(WCHAR));
1504         memcpy(wszApplicationName, sei_tmp.lpFile, l*sizeof(WCHAR));
1505     }
1506
1507     wszParameters = parametersBuffer;
1508     if (sei_tmp.lpParameters)
1509     {
1510         len = lstrlenW(sei_tmp.lpParameters) + 1;
1511         if (len > parametersLen)
1512         {
1513             wszParameters = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
1514             parametersLen = len;
1515         }
1516         strcpyW(wszParameters, sei_tmp.lpParameters);
1517     }
1518     else
1519         *wszParameters = '\0';
1520
1521     wszDir = dirBuffer;
1522     if (sei_tmp.lpDirectory)
1523     {
1524         len = lstrlenW(sei_tmp.lpDirectory) + 1;
1525         if (len > dirLen)
1526         {
1527             wszDir = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
1528             dirLen = len;
1529         }
1530         strcpyW(wszDir, sei_tmp.lpDirectory);
1531     }
1532     else
1533         *wszDir = '\0';
1534
1535     /* adjust string pointers to point to the new buffers */
1536     sei_tmp.lpFile = wszApplicationName;
1537     sei_tmp.lpParameters = wszParameters;
1538     sei_tmp.lpDirectory = wszDir;
1539
1540     if (sei_tmp.fMask & unsupportedFlags)
1541     {
1542         FIXME("flags ignored: 0x%08x\n", sei_tmp.fMask & unsupportedFlags);
1543     }
1544
1545     /* process the IDList */
1546     if (sei_tmp.fMask & SEE_MASK_IDLIST)
1547     {
1548         IShellExecuteHookW* pSEH;
1549
1550         HRESULT hr = SHBindToParent(sei_tmp.lpIDList, &IID_IShellExecuteHookW, (LPVOID*)&pSEH, NULL);
1551
1552         if (SUCCEEDED(hr))
1553         {
1554             hr = IShellExecuteHookW_Execute(pSEH, &sei_tmp);
1555
1556             IShellExecuteHookW_Release(pSEH);
1557
1558             if (hr == S_OK) {
1559                 HeapFree(GetProcessHeap(), 0, wszApplicationName);
1560                 if (wszParameters != parametersBuffer)
1561                     HeapFree(GetProcessHeap(), 0, wszParameters);
1562                 if (wszDir != dirBuffer)
1563                     HeapFree(GetProcessHeap(), 0, wszDir);
1564                 return TRUE;
1565             }
1566         }
1567
1568         SHGetPathFromIDListW(sei_tmp.lpIDList, wszApplicationName);
1569         appKnownSingular = TRUE;
1570         TRACE("-- idlist=%p (%s)\n", sei_tmp.lpIDList, debugstr_w(wszApplicationName));
1571     }
1572
1573     if ( ERROR_SUCCESS == ShellExecute_FromContextMenu( &sei_tmp ) )
1574     {
1575         sei->hInstApp = (HINSTANCE) 33;
1576         HeapFree(GetProcessHeap(), 0, wszApplicationName);
1577         if (wszParameters != parametersBuffer)
1578             HeapFree(GetProcessHeap(), 0, wszParameters);
1579         if (wszDir != dirBuffer)
1580             HeapFree(GetProcessHeap(), 0, wszDir);
1581         return TRUE;
1582     }
1583
1584     if (sei_tmp.fMask & SEE_MASK_CLASSALL)
1585     {
1586         retval = SHELL_execute_class( wszApplicationName, &sei_tmp, sei,
1587                                       execfunc );
1588         HeapFree(GetProcessHeap(), 0, wszApplicationName);
1589         if (wszParameters != parametersBuffer)
1590             HeapFree(GetProcessHeap(), 0, wszParameters);
1591         if (wszDir != dirBuffer)
1592             HeapFree(GetProcessHeap(), 0, wszDir);
1593         return retval > 32;
1594     }
1595
1596     /* Has the IDList not yet been translated? */
1597     if (sei_tmp.fMask & SEE_MASK_IDLIST)
1598     {
1599         appKnownSingular = SHELL_translate_idlist( &sei_tmp, wszParameters,
1600                                                    parametersLen,
1601                                                    wszApplicationName,
1602                                                    dwApplicationNameLen );
1603     }
1604
1605     /* expand environment strings */
1606     len = ExpandEnvironmentStringsW(sei_tmp.lpFile, NULL, 0);
1607     if (len>0)
1608     {
1609         LPWSTR buf;
1610         buf = HeapAlloc(GetProcessHeap(),0,(len+1)*sizeof(WCHAR));
1611
1612         ExpandEnvironmentStringsW(sei_tmp.lpFile, buf, len+1);
1613         HeapFree(GetProcessHeap(), 0, wszApplicationName);
1614         dwApplicationNameLen = len+1;
1615         wszApplicationName = buf;
1616         /* appKnownSingular unmodified */
1617
1618         sei_tmp.lpFile = wszApplicationName;
1619     }
1620
1621     if (*sei_tmp.lpParameters)
1622     {
1623         len = ExpandEnvironmentStringsW(sei_tmp.lpParameters, NULL, 0);
1624         if (len > 0)
1625         {
1626             LPWSTR buf;
1627             len++;
1628             buf = HeapAlloc(GetProcessHeap(),0,len*sizeof(WCHAR));
1629             ExpandEnvironmentStringsW(sei_tmp.lpParameters, buf, len);
1630             if (wszParameters != parametersBuffer)
1631                 HeapFree(GetProcessHeap(), 0, wszParameters);
1632             wszParameters = buf;
1633             parametersLen = len;
1634             sei_tmp.lpParameters = wszParameters;
1635         }
1636     }
1637
1638     if (*sei_tmp.lpDirectory)
1639     {
1640         len = ExpandEnvironmentStringsW(sei_tmp.lpDirectory, NULL, 0);
1641         if (len > 0)
1642         {
1643             LPWSTR buf;
1644             len++;
1645             buf = HeapAlloc(GetProcessHeap(),0,len*sizeof(WCHAR));
1646             ExpandEnvironmentStringsW(sei_tmp.lpDirectory, buf, len);
1647             if (wszDir != dirBuffer)
1648                 HeapFree(GetProcessHeap(), 0, wszDir);
1649             wszDir = buf;
1650             sei_tmp.lpDirectory = wszDir;
1651         }
1652     }
1653
1654     /* Else, try to execute the filename */
1655     TRACE("execute:%s,%s,%s\n", debugstr_w(wszApplicationName), debugstr_w(wszParameters), debugstr_w(wszDir));
1656
1657     /* separate out command line arguments from executable file name */
1658     if (!*sei_tmp.lpParameters && !appKnownSingular) {
1659         /* If the executable path is quoted, handle the rest of the command line as parameters. */
1660         if (sei_tmp.lpFile[0] == '"') {
1661             LPWSTR src = wszApplicationName/*sei_tmp.lpFile*/ + 1;
1662             LPWSTR dst = wfileName;
1663             LPWSTR end;
1664
1665             /* copy the unquoted executable path to 'wfileName' */
1666             while(*src && *src!='"')
1667                 *dst++ = *src++;
1668
1669             *dst = '\0';
1670
1671             if (*src == '"') {
1672                 end = ++src;
1673
1674                 while(isspace(*src))
1675                     ++src;
1676             } else
1677                 end = src;
1678
1679             /* copy the parameter string to 'wszParameters' */
1680             strcpyW(wszParameters, src);
1681
1682             /* terminate previous command string after the quote character */
1683             *end = '\0';
1684         }
1685         else
1686         {
1687             /* If the executable name is not quoted, we have to use this search loop here,
1688                that in CreateProcess() is not sufficient because it does not handle shell links. */
1689             WCHAR buffer[MAX_PATH], xlpFile[MAX_PATH];
1690             LPWSTR space, s;
1691
1692             LPWSTR beg = wszApplicationName/*sei_tmp.lpFile*/;
1693             for(s=beg; (space=strchrW(s, ' ')); s=space+1) {
1694                 int idx = space-sei_tmp.lpFile;
1695                 memcpy(buffer, sei_tmp.lpFile, idx * sizeof(WCHAR));
1696                 buffer[idx] = '\0';
1697
1698                 /*FIXME This finds directory paths if the targeted file name contains spaces. */
1699                 if (SearchPathW(*sei_tmp.lpDirectory? sei_tmp.lpDirectory: NULL, buffer, wszExe, sizeof(xlpFile)/sizeof(xlpFile[0]), xlpFile, NULL))
1700                 {
1701                     /* separate out command from parameter string */
1702                     LPCWSTR p = space + 1;
1703
1704                     while(isspaceW(*p))
1705                         ++p;
1706
1707                     strcpyW(wszParameters, p);
1708                     *space = '\0';
1709
1710                     break;
1711                 }
1712             }
1713
1714             strcpyW(wfileName, sei_tmp.lpFile);
1715         }
1716     } else
1717         strcpyW(wfileName, sei_tmp.lpFile);
1718
1719     lpFile = wfileName;
1720
1721     wcmd = wcmdBuffer;
1722     len = lstrlenW(wszApplicationName) + 1;
1723     if (sei_tmp.lpParameters[0])
1724         len += 1 + lstrlenW(wszParameters);
1725     if (len > wcmdLen)
1726     {
1727         wcmd = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
1728         wcmdLen = len;
1729     }
1730     strcpyW(wcmd, wszApplicationName);
1731     if (sei_tmp.lpParameters[0]) {
1732         strcatW(wcmd, wSpace);
1733         strcatW(wcmd, wszParameters);
1734     }
1735
1736     retval = execfunc(wcmd, NULL, FALSE, &sei_tmp, sei);
1737     if (retval > 32) {
1738         HeapFree(GetProcessHeap(), 0, wszApplicationName);
1739         if (wszParameters != parametersBuffer)
1740             HeapFree(GetProcessHeap(), 0, wszParameters);
1741         if (wszDir != dirBuffer)
1742             HeapFree(GetProcessHeap(), 0, wszDir);
1743         if (wcmd != wcmdBuffer)
1744             HeapFree(GetProcessHeap(), 0, wcmd);
1745         return TRUE;
1746     }
1747
1748     /* Else, try to find the executable */
1749     wcmd[0] = '\0';
1750     retval = SHELL_FindExecutable(sei_tmp.lpDirectory, lpFile, sei_tmp.lpVerb, wcmd, wcmdLen, lpstrProtocol, &env, sei_tmp.lpIDList, sei_tmp.lpParameters);
1751     if (retval > 32)  /* Found */
1752     {
1753         retval = SHELL_quote_and_execute( wcmd, wszParameters, lpstrProtocol,
1754                                           wszApplicationName, env, &sei_tmp,
1755                                           sei, execfunc );
1756         HeapFree( GetProcessHeap(), 0, env );
1757     }
1758     else if (PathIsURLW(lpFile))    /* File not found, check for URL */
1759     {
1760         retval = SHELL_execute_url( lpFile, wFile, wcmd, &sei_tmp, sei, execfunc );
1761     }
1762     /* Check if file specified is in the form www.??????.*** */
1763     else if (!strncmpiW(lpFile, wWww, 3))
1764     {
1765         /* if so, append lpFile http:// and call ShellExecute */
1766         WCHAR lpstrTmpFile[256];
1767         strcpyW(lpstrTmpFile, wHttp);
1768         strcatW(lpstrTmpFile, lpFile);
1769         retval = (UINT_PTR)ShellExecuteW(sei_tmp.hwnd, sei_tmp.lpVerb, lpstrTmpFile, NULL, NULL, 0);
1770     }
1771
1772     TRACE("retval %lu\n", retval);
1773
1774     HeapFree(GetProcessHeap(), 0, wszApplicationName);
1775     if (wszParameters != parametersBuffer)
1776         HeapFree(GetProcessHeap(), 0, wszParameters);
1777     if (wszDir != dirBuffer)
1778         HeapFree(GetProcessHeap(), 0, wszDir);
1779     if (wcmd != wcmdBuffer)
1780         HeapFree(GetProcessHeap(), 0, wcmd);
1781
1782     sei->hInstApp = (HINSTANCE)(retval > 32 ? 33 : retval);
1783     return retval > 32;
1784 }
1785
1786 /*************************************************************************
1787  * ShellExecuteA                        [SHELL32.290]
1788  */
1789 HINSTANCE WINAPI ShellExecuteA(HWND hWnd, LPCSTR lpOperation,LPCSTR lpFile,
1790                                LPCSTR lpParameters,LPCSTR lpDirectory, INT iShowCmd)
1791 {
1792     SHELLEXECUTEINFOA sei;
1793
1794     TRACE("%p,%s,%s,%s,%s,%d\n",
1795           hWnd, debugstr_a(lpOperation), debugstr_a(lpFile),
1796           debugstr_a(lpParameters), debugstr_a(lpDirectory), iShowCmd);
1797
1798     sei.cbSize = sizeof(sei);
1799     sei.fMask = 0;
1800     sei.hwnd = hWnd;
1801     sei.lpVerb = lpOperation;
1802     sei.lpFile = lpFile;
1803     sei.lpParameters = lpParameters;
1804     sei.lpDirectory = lpDirectory;
1805     sei.nShow = iShowCmd;
1806     sei.lpIDList = 0;
1807     sei.lpClass = 0;
1808     sei.hkeyClass = 0;
1809     sei.dwHotKey = 0;
1810     sei.hProcess = 0;
1811
1812     ShellExecuteExA (&sei);
1813     return sei.hInstApp;
1814 }
1815
1816 /*************************************************************************
1817  * ShellExecuteExA                              [SHELL32.292]
1818  *
1819  */
1820 BOOL WINAPI ShellExecuteExA (LPSHELLEXECUTEINFOA sei)
1821 {
1822     SHELLEXECUTEINFOW seiW;
1823     BOOL ret;
1824     WCHAR *wVerb = NULL, *wFile = NULL, *wParameters = NULL, *wDirectory = NULL, *wClass = NULL;
1825
1826     TRACE("%p\n", sei);
1827
1828     memcpy(&seiW, sei, sizeof(SHELLEXECUTEINFOW));
1829
1830     if (sei->lpVerb)
1831         seiW.lpVerb = __SHCloneStrAtoW(&wVerb, sei->lpVerb);
1832
1833     if (sei->lpFile)
1834         seiW.lpFile = __SHCloneStrAtoW(&wFile, sei->lpFile);
1835
1836     if (sei->lpParameters)
1837         seiW.lpParameters = __SHCloneStrAtoW(&wParameters, sei->lpParameters);
1838
1839     if (sei->lpDirectory)
1840         seiW.lpDirectory = __SHCloneStrAtoW(&wDirectory, sei->lpDirectory);
1841
1842     if ((sei->fMask & SEE_MASK_CLASSALL) == SEE_MASK_CLASSNAME && sei->lpClass)
1843         seiW.lpClass = __SHCloneStrAtoW(&wClass, sei->lpClass);
1844     else
1845         seiW.lpClass = NULL;
1846
1847     ret = SHELL_execute( &seiW, SHELL_ExecuteW );
1848
1849     sei->hInstApp = seiW.hInstApp;
1850
1851     if (sei->fMask & SEE_MASK_NOCLOSEPROCESS)
1852         sei->hProcess = seiW.hProcess;
1853
1854     SHFree(wVerb);
1855     SHFree(wFile);
1856     SHFree(wParameters);
1857     SHFree(wDirectory);
1858     SHFree(wClass);
1859
1860     return ret;
1861 }
1862
1863 /*************************************************************************
1864  * ShellExecuteExW                              [SHELL32.293]
1865  *
1866  */
1867 BOOL WINAPI ShellExecuteExW (LPSHELLEXECUTEINFOW sei)
1868 {
1869     return SHELL_execute( sei, SHELL_ExecuteW );
1870 }
1871
1872 /*************************************************************************
1873  * ShellExecuteW                        [SHELL32.294]
1874  * from shellapi.h
1875  * WINSHELLAPI HINSTANCE APIENTRY ShellExecuteW(HWND hwnd, LPCWSTR lpOperation,
1876  * LPCWSTR lpFile, LPCWSTR lpParameters, LPCWSTR lpDirectory, INT nShowCmd);
1877  */
1878 HINSTANCE WINAPI ShellExecuteW(HWND hwnd, LPCWSTR lpOperation, LPCWSTR lpFile,
1879                                LPCWSTR lpParameters, LPCWSTR lpDirectory, INT nShowCmd)
1880 {
1881     SHELLEXECUTEINFOW sei;
1882
1883     TRACE("\n");
1884     sei.cbSize = sizeof(sei);
1885     sei.fMask = 0;
1886     sei.hwnd = hwnd;
1887     sei.lpVerb = lpOperation;
1888     sei.lpFile = lpFile;
1889     sei.lpParameters = lpParameters;
1890     sei.lpDirectory = lpDirectory;
1891     sei.nShow = nShowCmd;
1892     sei.lpIDList = 0;
1893     sei.lpClass = 0;
1894     sei.hkeyClass = 0;
1895     sei.dwHotKey = 0;
1896     sei.hProcess = 0;
1897
1898     SHELL_execute( &sei, SHELL_ExecuteW );
1899     return sei.hInstApp;
1900 }
1901
1902 /*************************************************************************
1903  * OpenAs_RunDLLA          [SHELL32.@]
1904  */
1905 void WINAPI OpenAs_RunDLLA(HWND hwnd, HINSTANCE hinst, LPCSTR cmdline, int cmdshow)
1906 {
1907     FIXME("%p, %p, %s, %d\n", hwnd, hinst, debugstr_a(cmdline), cmdshow);
1908 }
1909
1910 /*************************************************************************
1911  * OpenAs_RunDLLW          [SHELL32.@]
1912  */
1913 void WINAPI OpenAs_RunDLLW(HWND hwnd, HINSTANCE hinst, LPCWSTR cmdline, int cmdshow)
1914 {
1915     FIXME("%p, %p, %s, %d\n", hwnd, hinst, debugstr_w(cmdline), cmdshow);
1916 }