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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  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 "wownt32.h"
  42 #include "shellapi.h"
  43 #include "wingdi.h"
  44 #include "winuser.h"
  45 #include "shlobj.h"
  46 #include "shlwapi.h"
  47 #include "ddeml.h"
  48
  49 #include "wine/winbase16.h"
  50 #include "shell32_main.h"
  51 #include "undocshell.h"
  52 #include "pidl.h"
  53
  54 #include "wine/debug.h"
  55
  56 WINE_DEFAULT_DEBUG_CHANNEL(exec);
  57
  58 static const WCHAR wszOpen[] = {'o','p','e','n',0};
  59 static const WCHAR wszExe[] = {'.','e','x','e',0};
  60 static const WCHAR wszILPtr[] = {':','%','p',0};
  61 static const WCHAR wszShell[] = {'\\','s','h','e','l','l','\\',0};
  62 static const WCHAR wszFolder[] = {'F','o','l','d','e','r',0};
  63 static const WCHAR wszEmpty[] = {0};
  64
  65
  66 /***********************************************************************
  67  *      SHELL_ArgifyW [Internal]
  68  *
  69  * this function is supposed to expand the escape sequences found in the registry
  70  * some diving reported that the following were used:
  71  * + %1, %2...  seem to report to parameter of index N in ShellExecute pmts
  72  *      %1 file
  73  *      %2 printer
  74  *      %3 driver
  75  *      %4 port
  76  * %I address of a global item ID (explorer switch /idlist)
  77  * %L seems to be %1 as long filename followed by the 8+3 variation
  78  * %S ???
  79  * %* all following parameters (see batfile)
  80  *
  81  * FIXME: use 'len'
  82  * FIXME: Careful of going over string boundaries. No checking is done to 'res'...
  83  */
  84 static BOOL SHELL_ArgifyW(WCHAR* out, int len, const WCHAR* fmt, const WCHAR* lpFile, LPITEMIDLIST pidl, LPCWSTR args)
  85 {
  86     WCHAR   xlpFile[1024];
  87     BOOL    done = FALSE;
  88     PWSTR   res = out;
  89     PCWSTR  cmd;
  90     LPVOID  pv;
  91
  92     TRACE("%p, %d, %s, %s, %p, %p\n", out, len, debugstr_w(fmt),
  93           debugstr_w(lpFile), pidl, args);
  94
  95     while (*fmt)
  96     {
  97         if (*fmt == '%')
  98         {
  99             switch (*++fmt)
 100             {
 101             case '\0':
 102             case '%':
 103                 *res++ = '%';
 104                 break;
 105
 106             case '2':
 107             case '3':
 108             case '4':
 109             case '5':
 110             case '6':
 111             case '7':
 112             case '8':
 113             case '9':
 114             case '0':
 115             case '*':
 116                 if (args)
 117                 {
 118                     if (*fmt == '*')
 119                     {
 120                         *res++ = '"';
 121                         while(*args)
 122                             *res++ = *args++;
 123                         *res++ = '"';
 124                     }
 125                     else
 126                     {
 127                         while(*args && !isspace(*args))
 128                             *res++ = *args++;
 129
 130                         while(isspace(*args))
 131                             ++args;
 132                     }
 133                     break;
 134                 }
 135                 /* else fall through */
 136             case '1':
 137                 if (!done || (*fmt == '1'))
 138                 {
 139                     /*FIXME Is the call to SearchPathW() really needed? We already have separated out the parameter string in args. */
 140                     if (SearchPathW(NULL, lpFile, wszExe, sizeof(xlpFile)/sizeof(WCHAR), xlpFile, NULL))
 141                         cmd = xlpFile;
 142                     else
 143                         cmd = lpFile;
 144
 145                     /* Add double quotation marks unless we already have them (e.g.: "file://%1" %* for exefile) */
 146                     if (res == out || *(fmt + 1) != '"')
 147                     {
 148                         *res++ = '"';
 149                         strcpyW(res, cmd);
 150                         res += strlenW(cmd);
 151                         *res++ = '"';
 152                     }
 153                     else
 154                     {
 155                         strcpyW(res, cmd);
 156                         res += strlenW(cmd);
 157                     }
 158                 }
 159                 break;
 160
 161             /*
 162              * IE uses this a lot for activating things such as windows media
 163              * player. This is not verified to be fully correct but it appears
 164              * to work just fine.
 165              */
 166             case 'l':
 167             case 'L':
 168                 if (lpFile) {
 169                     strcpyW(res, lpFile);
 170                     res += strlenW(lpFile);
 171                 }
 172                 break;
 173
 174             case 'i':
 175             case 'I':
 176                 if (pidl) {
 177                     HGLOBAL hmem = SHAllocShared(pidl, ILGetSize(pidl), 0);
 178                     pv = SHLockShared(hmem, 0);
 179                     res += sprintfW(res, wszILPtr, pv);
 180                     SHUnlockShared(pv);
 181                 }
 182                 break;
 183
 184             default:
 185                 /*
 186                  * Check if this is a env-variable here...
 187                  */
 188
 189                 /* Make sure that we have at least one more %.*/
 190                 if (strchrW(fmt, '%'))
 191                 {
 192                     WCHAR   tmpBuffer[1024];
 193                     PWSTR   tmpB = tmpBuffer;
 194                     WCHAR   tmpEnvBuff[MAX_PATH];
 195                     DWORD   envRet;
 196
 197                     while (*fmt != '%')
 198                         *tmpB++ = *fmt++;
 199                     *tmpB++ = 0;
 200
 201                     TRACE("Checking %s to be a env-var\n", debugstr_w(tmpBuffer));
 202
 203                     envRet = GetEnvironmentVariableW(tmpBuffer, tmpEnvBuff, MAX_PATH);
 204                     if (envRet == 0 || envRet > MAX_PATH)
 205                         strcpyW( res, tmpBuffer );
 206                     else
 207                         strcpyW( res, tmpEnvBuff );
 208                     res += strlenW(res);
 209                 }
 210                 fmt++;
 211                 done = TRUE;
 212                 break;
 213             }
 214         }
 215         else
 216             *res++ = *fmt++;
 217     }
 218
 219     *res = '\0';
 220
 221     return done;
 222 }
 223
 224 HRESULT SHELL_GetPathFromIDListForExecuteA(LPCITEMIDLIST pidl, LPSTR pszPath, UINT uOutSize)
 225 {
 226     STRRET strret;
 227     IShellFolder* desktop;
 228
 229     HRESULT hr = SHGetDesktopFolder(&desktop);
 230
 231     if (SUCCEEDED(hr)) {
 232         hr = IShellFolder_GetDisplayNameOf(desktop, pidl, SHGDN_FORPARSING, &strret);
 233
 234         if (SUCCEEDED(hr))
 235             StrRetToStrNA(pszPath, uOutSize, &strret, pidl);
 236
 237         IShellFolder_Release(desktop);
 238     }
 239
 240     return hr;
 241 }
 242
 243 HRESULT SHELL_GetPathFromIDListForExecuteW(LPCITEMIDLIST pidl, LPWSTR pszPath, UINT uOutSize)
 244 {
 245     STRRET strret;
 246     IShellFolder* desktop;
 247
 248     HRESULT hr = SHGetDesktopFolder(&desktop);
 249
 250     if (SUCCEEDED(hr)) {
 251         hr = IShellFolder_GetDisplayNameOf(desktop, pidl, SHGDN_FORPARSING, &strret);
 252
 253         if (SUCCEEDED(hr))
 254             StrRetToStrNW(pszPath, uOutSize, &strret, pidl);
 255
 256         IShellFolder_Release(desktop);
 257     }
 258
 259     return hr;
 260 }
 261
 262 /*************************************************************************
 263  *      SHELL_ResolveShortCutW [Internal]
 264  *      read shortcut file at 'wcmd'
 265  */
 266 static HRESULT SHELL_ResolveShortCutW(LPWSTR wcmd, LPWSTR wargs, LPWSTR wdir, HWND hwnd, LPCWSTR lpVerb, int* pshowcmd, LPITEMIDLIST* ppidl)
 267 {
 268     IShellFolder* psf;
 269
 270     HRESULT hr = SHGetDesktopFolder(&psf);
 271
 272     *ppidl = NULL;
 273
 274     if (SUCCEEDED(hr)) {
 275         LPITEMIDLIST pidl;
 276         ULONG l;
 277
 278         hr = IShellFolder_ParseDisplayName(psf, 0, 0, wcmd, &l, &pidl, 0);
 279
 280         if (SUCCEEDED(hr)) {
 281             IShellLinkW* psl;
 282
 283             hr = IShellFolder_GetUIObjectOf(psf, NULL, 1, (LPCITEMIDLIST*)&pidl, &IID_IShellLinkW, NULL, (LPVOID*)&psl);
 284
 285             if (SUCCEEDED(hr)) {
 286                 hr = IShellLinkW_Resolve(psl, hwnd, 0);
 287
 288                 if (SUCCEEDED(hr)) {
 289                     hr = IShellLinkW_GetPath(psl, wcmd, MAX_PATH, NULL, SLGP_UNCPRIORITY);
 290
 291                     if (SUCCEEDED(hr)) {
 292                         if (!*wcmd) {
 293                             /* We could not translate the PIDL in the shell link into a valid file system path - so return the PIDL instead. */
 294                             hr = IShellLinkW_GetIDList(psl, ppidl);
 295
 296                             if (SUCCEEDED(hr) && *ppidl) {
 297                                 /* We got a PIDL instead of a file system path - try to translate it. */
 298                                 if (SUCCEEDED(SHELL_GetPathFromIDListW(*ppidl, wcmd, MAX_PATH))) {
 299                                     SHFree(*ppidl);
 300                                     *ppidl = NULL;
 301                                 }
 302                             }
 303                         }
 304
 305                         if (SUCCEEDED(hr)) {
 306                             /* get command line arguments, working directory and display mode if available */
 307                             IShellLinkW_GetWorkingDirectory(psl, wdir, MAX_PATH);
 308                             IShellLinkW_GetArguments(psl, wargs, MAX_PATH);
 309                             IShellLinkW_GetShowCmd(psl, pshowcmd);
 310                         }
 311                     }
 312                 }
 313
 314                 IShellLinkW_Release(psl);
 315             }
 316
 317             SHFree(pidl);
 318         }
 319
 320         IShellFolder_Release(psf);
 321     }
 322
 323     return hr;
 324 }
 325
 326 /*************************************************************************
 327  *      SHELL_ExecuteW [Internal]
 328  *
 329  */
 330 static UINT SHELL_ExecuteW(const WCHAR *lpCmd, WCHAR *env, BOOL shWait,
 331                             LPSHELLEXECUTEINFOW psei, LPSHELLEXECUTEINFOW psei_out)
 332 {
 333     STARTUPINFOW  startup;
 334     PROCESS_INFORMATION info;
 335     UINT retval = 31;
 336     UINT gcdret = 0;
 337     WCHAR curdir[MAX_PATH];
 338
 339     TRACE("Execute %s from directory %s\n", debugstr_w(lpCmd), debugstr_w(psei->lpDirectory));
 340     /* ShellExecute specifies the command from psei->lpDirectory
 341      * if present. Not from the current dir as CreateProcess does */
 342     if( psei->lpDirectory && psei->lpDirectory[0] )
 343         if( ( gcdret = GetCurrentDirectoryW( MAX_PATH, curdir)))
 344             if( !SetCurrentDirectoryW( psei->lpDirectory))
 345                 ERR("cannot set directory %s\n", debugstr_w(psei->lpDirectory));
 346     ZeroMemory(&startup,sizeof(STARTUPINFOW));
 347     startup.cb = sizeof(STARTUPINFOW);
 348     startup.dwFlags = STARTF_USESHOWWINDOW;
 349     startup.wShowWindow = psei->nShow;
 350     if (CreateProcessW(NULL, (LPWSTR)lpCmd, NULL, NULL, FALSE, CREATE_UNICODE_ENVIRONMENT,
 351                        env, *psei->lpDirectory? psei->lpDirectory: NULL, &startup, &info))
 352     {
 353         /* Give 30 seconds to the app to come up, if desired. Probably only needed
 354            when starting app immediately before making a DDE connection. */
 355         if (shWait)
 356             if (WaitForInputIdle( info.hProcess, 30000 ) == WAIT_FAILED)
 357                 WARN("WaitForInputIdle failed: Error %ld\n", GetLastError() );
 358         retval = 33;
 359         if (psei->fMask & SEE_MASK_NOCLOSEPROCESS)
 360             psei_out->hProcess = info.hProcess;
 361         else
 362             CloseHandle( info.hProcess );
 363         CloseHandle( info.hThread );
 364     }
 365     else if ((retval = GetLastError()) >= 32)
 366     {
 367         FIXME("Strange error set by CreateProcess: %d\n", retval);
 368         retval = ERROR_BAD_FORMAT;
 369     }
 370
 371     TRACE("returning %u\n", retval);
 372
 373     psei_out->hInstApp = (HINSTANCE)retval;
 374     if( gcdret )
 375         if( !SetCurrentDirectoryW( curdir))
 376             ERR("cannot return to directory %s\n", debugstr_w(curdir));
 377
 378     return retval;
 379 }
 380
 381
 382 /***********************************************************************
 383  *           SHELL_BuildEnvW    [Internal]
 384  *
 385  * Build the environment for the new process, adding the specified
 386  * path to the PATH variable. Returned pointer must be freed by caller.
 387  */
 388 static void *SHELL_BuildEnvW( const WCHAR *path )
 389 {
 390     static const WCHAR wPath[] = {'P','A','T','H','=',0};
 391     WCHAR *strings, *new_env;
 392     WCHAR *p, *p2;
 393     int total = strlenW(path) + 1;
 394     BOOL got_path = FALSE;
 395
 396     if (!(strings = GetEnvironmentStringsW())) return NULL;
 397     p = strings;
 398     while (*p)
 399     {
 400         int len = strlenW(p) + 1;
 401         if (!strncmpiW( p, wPath, 5 )) got_path = TRUE;
 402         total += len;
 403         p += len;
 404     }
 405     if (!got_path) total += 5;  /* we need to create PATH */
 406     total++;  /* terminating null */
 407
 408     if (!(new_env = HeapAlloc( GetProcessHeap(), 0, total * sizeof(WCHAR) )))
 409     {
 410         FreeEnvironmentStringsW( strings );
 411         return NULL;
 412     }
 413     p = strings;
 414     p2 = new_env;
 415     while (*p)
 416     {
 417         int len = strlenW(p) + 1;
 418         memcpy( p2, p, len * sizeof(WCHAR) );
 419         if (!strncmpiW( p, wPath, 5 ))
 420         {
 421             p2[len - 1] = ';';
 422             strcpyW( p2 + len, path );
 423             p2 += strlenW(path) + 1;
 424         }
 425         p += len;
 426         p2 += len;
 427     }
 428     if (!got_path)
 429     {
 430         strcpyW( p2, wPath );
 431         strcatW( p2, path );
 432         p2 += strlenW(p2) + 1;
 433     }
 434     *p2 = 0;
 435     FreeEnvironmentStringsW( strings );
 436     return new_env;
 437 }
 438
 439
 440 /***********************************************************************
 441  *           SHELL_TryAppPathW  [Internal]
 442  *
 443  * Helper function for SHELL_FindExecutable
 444  * @param lpResult - pointer to a buffer of size MAX_PATH
 445  * On entry: szName is a filename (probably without path separators).
 446  * On exit: if szName found in "App Path", place full path in lpResult, and return true
 447  */
 448 static BOOL SHELL_TryAppPathW( LPCWSTR szName, LPWSTR lpResult, WCHAR **env)
 449 {
 450     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',
 451         '\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\','A','p','p',' ','P','a','t','h','s','\\',0};
 452     static const WCHAR wPath[] = {'P','a','t','h',0};
 453     HKEY hkApp = 0;
 454     WCHAR buffer[1024];
 455     LONG len;
 456     LONG res;
 457     BOOL found = FALSE;
 458
 459     if (env) *env = NULL;
 460     strcpyW(buffer, wszKeyAppPaths);
 461     strcatW(buffer, szName);
 462     res = RegOpenKeyExW(HKEY_LOCAL_MACHINE, buffer, 0, KEY_READ, &hkApp);
 463     if (res) goto end;
 464
 465     len = MAX_PATH*sizeof(WCHAR);
 466     res = RegQueryValueW(hkApp, NULL, lpResult, &len);
 467     if (res) goto end;
 468     found = TRUE;
 469
 470     if (env)
 471     {
 472         DWORD count = sizeof(buffer);
 473         if (!RegQueryValueExW(hkApp, wPath, NULL, NULL, (LPBYTE)buffer, &count) && buffer[0])
 474             *env = SHELL_BuildEnvW( buffer );
 475     }
 476
 477 end:
 478     if (hkApp) RegCloseKey(hkApp);
 479     return found;
 480 }
 481
 482 static UINT SHELL_FindExecutableByOperation(LPCWSTR lpPath, LPCWSTR lpFile, LPCWSTR lpOperation, LPWSTR key, LPWSTR filetype, LPWSTR command, LONG commandlen)
 483 {
 484     static const WCHAR wCommand[] = {'\\','c','o','m','m','a','n','d',0};
 485
 486     /* Looking for ...buffer\shell\<verb>\command */
 487     strcatW(filetype, wszShell);
 488     strcatW(filetype, lpOperation);
 489     strcatW(filetype, wCommand);
 490
 491     if (RegQueryValueW(HKEY_CLASSES_ROOT, filetype, command,
 492                        &commandlen) == ERROR_SUCCESS)
 493     {
 494         commandlen /= sizeof(WCHAR);
 495         if (key) strcpyW(key, filetype);
 496 #if 0
 497         LPWSTR tmp;
 498         WCHAR param[256];
 499         LONG paramlen = sizeof(param);
 500         static const WCHAR wSpace[] = {' ',0};
 501
 502         /* FIXME: it seems all Windows version don't behave the same here.
 503          * the doc states that this ddeexec information can be found after
 504          * the exec names.
 505          * on Win98, it doesn't appear, but I think it does on Win2k
 506          */
 507         /* Get the parameters needed by the application
 508            from the associated ddeexec key */
 509         tmp = strstrW(filetype, wCommand);
 510         tmp[0] = '\0';
 511         strcatW(filetype, wDdeexec);
 512         if (RegQueryValueW(HKEY_CLASSES_ROOT, filetype, param,
 513                                      &paramlen) == ERROR_SUCCESS)
 514         {
 515             paramlen /= sizeof(WCHAR);
 516             strcatW(command, wSpace);
 517             strcatW(command, param);
 518             commandlen += paramlen;
 519         }
 520 #endif
 521
 522         command[commandlen] = '\0';
 523
 524         return 33; /* FIXME see SHELL_FindExecutable() */
 525     }
 526
 527     return 31;  /* default - 'No association was found' */
 528 }
 529
 530 /*************************************************************************
 531  *      SHELL_FindExecutable [Internal]
 532  *
 533  * Utility for code sharing between FindExecutable and ShellExecute
 534  * in:
 535  *      lpFile the name of a file
 536  *      lpOperation the operation on it (open)
 537  * out:
 538  *      lpResult a buffer, big enough :-(, to store the command to do the
 539  *              operation on the file
 540  *      key a buffer, big enough, to get the key name to do actually the
 541  *              command (it'll be used afterwards for more information
 542  *              on the operation)
 543  */
 544 UINT SHELL_FindExecutable(LPCWSTR lpPath, LPCWSTR lpFile, LPCWSTR lpOperation,
 545                                  LPWSTR lpResult, int resultLen, LPWSTR key, WCHAR **env, LPITEMIDLIST pidl, LPCWSTR args)
 546 {
 547     static const WCHAR wWindows[] = {'w','i','n','d','o','w','s',0};
 548     static const WCHAR wPrograms[] = {'p','r','o','g','r','a','m','s',0};
 549     static const WCHAR wExtensions[] = {'e','x','e',' ','p','i','f',' ','b','a','t',' ','c','m','d',' ','c','o','m',0};
 550     WCHAR *extension = NULL; /* pointer to file extension */
 551     WCHAR filetype[256];     /* registry name for this filetype */
 552     LONG  filetypelen = sizeof(filetype); /* length of above */
 553     WCHAR command[1024];     /* command from registry */
 554     WCHAR wBuffer[256];      /* Used to GetProfileString */
 555     UINT  retval = 31;       /* default - 'No association was found' */
 556     WCHAR *tok;              /* token pointer */
 557     WCHAR xlpFile[256];      /* result of SearchPath */
 558     DWORD attribs;           /* file attributes */
 559
 560     TRACE("%s\n", (lpFile != NULL) ? debugstr_w(lpFile) : "-");
 561
 562     xlpFile[0] = '\0';
 563     lpResult[0] = '\0'; /* Start off with an empty return string */
 564     if (key) *key = '\0';
 565
 566     /* trap NULL parameters on entry */
 567     if ((lpFile == NULL) || (lpResult == NULL) || (lpOperation == NULL))
 568     {
 569         WARN("(lpFile=%s,lpResult=%s,lpOperation=%s): NULL parameter\n",
 570              debugstr_w(lpFile), debugstr_w(lpOperation), debugstr_w(lpResult));
 571         return 2; /* File not found. Close enough, I guess. */
 572     }
 573
 574     if (SHELL_TryAppPathW( lpFile, lpResult, env ))
 575     {
 576         TRACE("found %s via App Paths\n", debugstr_w(lpResult));
 577         return 33;
 578     }
 579
 580     if (SearchPathW(lpPath, lpFile, wszExe, sizeof(xlpFile)/sizeof(WCHAR), xlpFile, NULL))
 581     {
 582         TRACE("SearchPathW returned non-zero\n");
 583         lpFile = xlpFile;
 584         /* Hey, isn't this value ignored?  Why make this call?  Shouldn't we return here?  --dank*/
 585     }
 586
 587     attribs = GetFileAttributesW(lpFile);
 588     if (attribs!=INVALID_FILE_ATTRIBUTES && (attribs&FILE_ATTRIBUTE_DIRECTORY))
 589     {
 590        strcpyW(filetype, wszFolder);
 591        filetypelen = 6;    /* strlen("Folder") */
 592     }
 593     else
 594     {
 595         /* First thing we need is the file's extension */
 596         extension = strrchrW(xlpFile, '.'); /* Assume last "." is the one; */
 597         /* File->Run in progman uses */
 598         /* .\FILE.EXE :( */
 599         TRACE("xlpFile=%s,extension=%s\n", debugstr_w(xlpFile), debugstr_w(extension));
 600
 601         if (extension == NULL || extension[1]==0)
 602         {
 603             WARN("Returning 31 - No association\n");
 604             return 31; /* no association */
 605         }
 606
 607         /* Three places to check: */
 608         /* 1. win.ini, [windows], programs (NB no leading '.') */
 609         /* 2. Registry, HKEY_CLASS_ROOT\<filetype>\shell\open\command */
 610         /* 3. win.ini, [extensions], extension (NB no leading '.' */
 611         /* All I know of the order is that registry is checked before */
 612         /* extensions; however, it'd make sense to check the programs */
 613         /* section first, so that's what happens here. */
 614
 615         /* See if it's a program - if GetProfileString fails, we skip this
 616          * section. Actually, if GetProfileString fails, we've probably
 617          * got a lot more to worry about than running a program... */
 618         if (GetProfileStringW(wWindows, wPrograms, wExtensions, wBuffer, sizeof(wBuffer)/sizeof(WCHAR)) > 0)
 619         {
 620             CharLowerW(wBuffer);
 621             tok = wBuffer;
 622             while (*tok)
 623             {
 624                 WCHAR *p = tok;
 625                 while (*p && *p != ' ' && *p != '\t') p++;
 626                 if (*p)
 627                 {
 628                     *p++ = 0;
 629                     while (*p == ' ' || *p == '\t') p++;
 630                 }
 631
 632                 if (strcmpiW(tok, &extension[1]) == 0) /* have to skip the leading "." */
 633                 {
 634                     strcpyW(lpResult, xlpFile);
 635                     /* Need to perhaps check that the file has a path
 636                      * attached */
 637                     TRACE("found %s\n", debugstr_w(lpResult));
 638                     return 33;
 639
 640                     /* Greater than 32 to indicate success FIXME According to the
 641                      * docs, I should be returning a handle for the
 642                      * executable. Does this mean I'm supposed to open the
 643                      * executable file or something? More RTFM, I guess... */
 644                 }
 645                 tok = p;
 646             }
 647         }
 648
 649         /* Check registry */
 650         if (RegQueryValueW(HKEY_CLASSES_ROOT, extension, filetype,
 651                            &filetypelen) == ERROR_SUCCESS)
 652         {
 653             filetypelen /= sizeof(WCHAR);
 654             filetype[filetypelen] = '\0';
 655             TRACE("File type: %s\n", debugstr_w(filetype));
 656         }
 657     }
 658
 659     if (*filetype)
 660     {
 661         if (lpOperation)
 662         {
 663             /* pass the operation string to SHELL_FindExecutableByOperation() */
 664             filetype[filetypelen] = '\0';
 665             retval = SHELL_FindExecutableByOperation(lpPath, lpFile, lpOperation, key, filetype, command, sizeof(command));
 666         }
 667         else
 668         {
 669             WCHAR operation[MAX_PATH];
 670             HKEY hkey;
 671
 672             /* Looking for ...buffer\shell\<operation>\command */
 673             strcatW(filetype, wszShell);
 674
 675             /* enumerate the operation subkeys in the registry and search for one with an associated command */
 676             if (RegOpenKeyW(HKEY_CLASSES_ROOT, filetype, &hkey) == ERROR_SUCCESS)
 677             {
 678                 int idx = 0;
 679                 for(;; ++idx)
 680                 {
 681                     if (RegEnumKeyW(hkey, idx, operation, MAX_PATH) != ERROR_SUCCESS)
 682                         break;
 683
 684                     filetype[filetypelen] = '\0';
 685                     retval = SHELL_FindExecutableByOperation(lpPath, lpFile, operation, key, filetype, command, sizeof(command));
 686
 687                     if (retval > 32)
 688                         break;
 689             }
 690                 RegCloseKey(hkey);
 691             }
 692         }
 693
 694         if (retval > 32)
 695         {
 696             SHELL_ArgifyW(lpResult, resultLen, command, xlpFile, pidl, args);
 697
 698             /* Remove double quotation marks and command line arguments */
 699             if (*lpResult == '"')
 700             {
 701                 WCHAR *p = lpResult;
 702                 while (*(p + 1) != '"')
 703                 {
 704                     *p = *(p + 1);
 705                     p++;
 706                 }
 707                 *p = '\0';
 708             }
 709         }
 710     }
 711     else /* Check win.ini */
 712     {
 713         static const WCHAR wExtensions[] = {'e','x','t','e','n','s','i','o','n','s',0};
 714
 715         /* Toss the leading dot */
 716         extension++;
 717         if (GetProfileStringW(wExtensions, extension, wszEmpty, command, sizeof(command)/sizeof(WCHAR)) > 0)
 718         {
 719             if (strlenW(command) != 0)
 720             {
 721                 strcpyW(lpResult, command);
 722                 tok = strchrW(lpResult, '^'); /* should be ^.extension? */
 723                 if (tok != NULL)
 724                 {
 725                     tok[0] = '\0';
 726                     strcatW(lpResult, xlpFile); /* what if no dir in xlpFile? */
 727                     tok = strchrW(command, '^'); /* see above */
 728                     if ((tok != NULL) && (strlenW(tok)>5))
 729                     {
 730                         strcatW(lpResult, &tok[5]);
 731                     }
 732                 }
 733                 retval = 33; /* FIXME - see above */
 734             }
 735         }
 736     }
 737
 738     TRACE("returning %s\n", debugstr_w(lpResult));
 739     return retval;
 740 }
 741
 742 /******************************************************************
 743  *              dde_cb
 744  *
 745  * callback for the DDE connection. not really usefull
 746  */
 747 static HDDEDATA CALLBACK dde_cb(UINT uType, UINT uFmt, HCONV hConv,
 748                                 HSZ hsz1, HSZ hsz2, HDDEDATA hData,
 749                                 ULONG_PTR dwData1, ULONG_PTR dwData2)
 750 {
 751     TRACE("dde_cb: %04x, %04x, %p, %p, %p, %p, %08lx, %08lx\n",
 752            uType, uFmt, hConv, hsz1, hsz2, hData, dwData1, dwData2);
 753     return NULL;
 754 }
 755
 756 /******************************************************************
 757  *              dde_connect
 758  *
 759  * ShellExecute helper. Used to do an operation with a DDE connection
 760  *
 761  * Handles both the direct connection (try #1), and if it fails,
 762  * launching an application and trying (#2) to connect to it
 763  *
 764  */
 765 static unsigned dde_connect(WCHAR* key, WCHAR* start, WCHAR* ddeexec,
 766                             const WCHAR* lpFile, WCHAR *env,
 767                             LPCWSTR szCommandline, LPITEMIDLIST pidl, SHELL_ExecuteW32 execfunc,
 768                             LPSHELLEXECUTEINFOW psei, LPSHELLEXECUTEINFOW psei_out)
 769 {
 770     static const WCHAR wApplication[] = {'\\','a','p','p','l','i','c','a','t','i','o','n',0};
 771     static const WCHAR wTopic[] = {'\\','t','o','p','i','c',0};
 772     WCHAR *     endkey = key + strlenW(key);
 773     WCHAR       app[256], topic[256], ifexec[256], res[256];
 774     LONG        applen, topiclen, ifexeclen;
 775     WCHAR *     exec;
 776     DWORD       ddeInst = 0;
 777     DWORD       tid;
 778     HSZ         hszApp, hszTopic;
 779     HCONV       hConv;
 780     HDDEDATA    hDdeData;
 781     unsigned    ret = 31;
 782
 783     strcpyW(endkey, wApplication);
 784     applen = sizeof(app);
 785     if (RegQueryValueW(HKEY_CLASSES_ROOT, key, app, &applen) != ERROR_SUCCESS)
 786     {
 787         FIXME("default app name NIY %s\n", debugstr_w(key));
 788         return 2;
 789     }
 790
 791     strcpyW(endkey, wTopic);
 792     topiclen = sizeof(topic);
 793     if (RegQueryValueW(HKEY_CLASSES_ROOT, key, topic, &topiclen) != ERROR_SUCCESS)
 794     {
 795         static const WCHAR wSystem[] = {'S','y','s','t','e','m',0};
 796         strcpyW(topic, wSystem);
 797     }
 798
 799     if (DdeInitializeW(&ddeInst, dde_cb, APPCMD_CLIENTONLY, 0L) != DMLERR_NO_ERROR)
 800     {
 801         return 2;
 802     }
 803
 804     hszApp = DdeCreateStringHandleW(ddeInst, app, CP_WINUNICODE);
 805     hszTopic = DdeCreateStringHandleW(ddeInst, topic, CP_WINUNICODE);
 806
 807     hConv = DdeConnect(ddeInst, hszApp, hszTopic, NULL);
 808     exec = ddeexec;
 809     if (!hConv)
 810     {
 811         static const WCHAR wIfexec[] = {'\\','i','f','e','x','e','c',0};
 812         TRACE("Launching '%s'\n", debugstr_w(start));
 813         ret = execfunc(start, env, TRUE, psei, psei_out);
 814         if (ret < 32)
 815         {
 816             TRACE("Couldn't launch\n");
 817             goto error;
 818         }
 819         hConv = DdeConnect(ddeInst, hszApp, hszTopic, NULL);
 820         if (!hConv)
 821         {
 822             TRACE("Couldn't connect. ret=%d\n", ret);
 823             DdeUninitialize(ddeInst);
 824             SetLastError(ERROR_DDE_FAIL);
 825             return 30; /* whatever */
 826         }
 827         strcpyW(endkey, wIfexec);
 828         ifexeclen = sizeof(ifexec);
 829         if (RegQueryValueW(HKEY_CLASSES_ROOT, key, ifexec, &ifexeclen) == ERROR_SUCCESS)
 830         {
 831             exec = ifexec;
 832         }
 833     }
 834
 835     SHELL_ArgifyW(res, sizeof(res)/sizeof(WCHAR), exec, lpFile, pidl, szCommandline);
 836     TRACE("%s %s => %s\n", debugstr_w(exec), debugstr_w(lpFile), debugstr_w(res));
 837
 838     /* It's documented in the KB 330337 that IE has a bug and returns
 839      * error DMLERR_NOTPROCESSED on XTYP_EXECUTE request.
 840      */
 841     hDdeData = DdeClientTransaction((LPBYTE)res, (strlenW(res) + 1) * sizeof(WCHAR), hConv, 0L, 0,
 842                                      XTYP_EXECUTE, 10000, &tid);
 843     if (hDdeData)
 844         DdeFreeDataHandle(hDdeData);
 845     else
 846         WARN("DdeClientTransaction failed with error %04x\n", DdeGetLastError(ddeInst));
 847     ret = 33;
 848
 849     DdeDisconnect(hConv);
 850
 851  error:
 852     DdeUninitialize(ddeInst);
 853
 854     return ret;
 855 }
 856
 857 /*************************************************************************
 858  *      execute_from_key [Internal]
 859  */
 860 static UINT execute_from_key(LPWSTR key, LPCWSTR lpFile, WCHAR *env, LPCWSTR szCommandline,
 861                              SHELL_ExecuteW32 execfunc,
 862                              LPSHELLEXECUTEINFOW psei, LPSHELLEXECUTEINFOW psei_out)
 863 {
 864     WCHAR cmd[1024];
 865     LONG cmdlen = sizeof(cmd);
 866     UINT retval = 31;
 867
 868     cmd[0] = '\0';
 869
 870     /* Get the application for the registry */
 871     if (RegQueryValueW(HKEY_CLASSES_ROOT, key, cmd, &cmdlen) == ERROR_SUCCESS)
 872     {
 873         static const WCHAR wCommand[] = {'c','o','m','m','a','n','d',0};
 874         static const WCHAR wDdeexec[] = {'d','d','e','e','x','e','c',0};
 875         LPWSTR tmp;
 876         WCHAR param[256];
 877         LONG paramlen = sizeof(param);
 878
 879         param[0] = '\0';
 880
 881         /* Get the parameters needed by the application
 882            from the associated ddeexec key */
 883         tmp = strstrW(key, wCommand);
 884         assert(tmp);
 885         strcpyW(tmp, wDdeexec);
 886
 887         if (RegQueryValueW(HKEY_CLASSES_ROOT, key, param, &paramlen) == ERROR_SUCCESS)
 888         {
 889             TRACE("Got ddeexec %s => %s\n", debugstr_w(key), debugstr_w(param));
 890             retval = dde_connect(key, cmd, param, lpFile, env, szCommandline, psei->lpIDList, execfunc, psei, psei_out);
 891         }
 892         else
 893         {
 894             /* Is there a replace() function anywhere? */
 895             cmdlen /= sizeof(WCHAR);
 896             cmd[cmdlen] = '\0';
 897             SHELL_ArgifyW(param, sizeof(param)/sizeof(WCHAR), cmd, lpFile, psei->lpIDList, szCommandline);
 898             retval = execfunc(param, env, FALSE, psei, psei_out);
 899         }
 900     }
 901     else TRACE("ooch\n");
 902
 903     return retval;
 904 }
 905
 906 /*************************************************************************
 907  * FindExecutableA                      [SHELL32.@]
 908  */
 909 HINSTANCE WINAPI FindExecutableA(LPCSTR lpFile, LPCSTR lpDirectory, LPSTR lpResult)
 910 {
 911     HINSTANCE retval;
 912     WCHAR *wFile = NULL, *wDirectory = NULL;
 913     WCHAR wResult[MAX_PATH];
 914
 915     if (lpFile) __SHCloneStrAtoW(&wFile, lpFile);
 916     if (lpDirectory) __SHCloneStrAtoW(&wDirectory, lpDirectory);
 917
 918     retval = FindExecutableW(wFile, wDirectory, wResult);
 919     WideCharToMultiByte(CP_ACP, 0, wResult, -1, lpResult, MAX_PATH, NULL, NULL);
 920     if (wFile) SHFree( wFile );
 921     if (wDirectory) SHFree( wDirectory );
 922
 923     TRACE("returning %s\n", lpResult);
 924     return (HINSTANCE)retval;
 925 }
 926
 927 /*************************************************************************
 928  * FindExecutableW                      [SHELL32.@]
 929  */
 930 HINSTANCE WINAPI FindExecutableW(LPCWSTR lpFile, LPCWSTR lpDirectory, LPWSTR lpResult)
 931 {
 932     UINT retval = 31;    /* default - 'No association was found' */
 933     WCHAR old_dir[1024];
 934
 935     TRACE("File %s, Dir %s\n",
 936           (lpFile != NULL ? debugstr_w(lpFile) : "-"), (lpDirectory != NULL ? debugstr_w(lpDirectory) : "-"));
 937
 938     lpResult[0] = '\0'; /* Start off with an empty return string */
 939
 940     /* trap NULL parameters on entry */
 941     if ((lpFile == NULL) || (lpResult == NULL))
 942     {
 943         /* FIXME - should throw a warning, perhaps! */
 944         return (HINSTANCE)2; /* File not found. Close enough, I guess. */
 945     }
 946
 947     if (lpDirectory)
 948     {
 949         GetCurrentDirectoryW(sizeof(old_dir)/sizeof(WCHAR), old_dir);
 950         SetCurrentDirectoryW(lpDirectory);
 951     }
 952
 953     retval = SHELL_FindExecutable(lpDirectory, lpFile, wszOpen, lpResult, MAX_PATH, NULL, NULL, NULL, NULL);
 954
 955     TRACE("returning %s\n", debugstr_w(lpResult));
 956     if (lpDirectory)
 957         SetCurrentDirectoryW(old_dir);
 958     return (HINSTANCE)retval;
 959 }
 960
 961 /*************************************************************************
 962  *      ShellExecuteExW32 [Internal]
 963  */
 964 BOOL WINAPI ShellExecuteExW32 (LPSHELLEXECUTEINFOW sei, SHELL_ExecuteW32 execfunc)
 965 {
 966     static const WCHAR wQuote[] = {'"',0};
 967     static const WCHAR wSpace[] = {' ',0};
 968     static const WCHAR wWww[] = {'w','w','w',0};
 969     static const WCHAR wFile[] = {'f','i','l','e',0};
 970     static const WCHAR wHttp[] = {'h','t','t','p',':','/','/',0};
 971     static const WCHAR wExtLnk[] = {'.','l','n','k',0};
 972     static const WCHAR wExplorer[] = {'e','x','p','l','o','r','e','r','.','e','x','e',0};
 973
 974     WCHAR wszApplicationName[MAX_PATH+2], wszParameters[1024], wszDir[MAX_PATH];
 975     SHELLEXECUTEINFOW sei_tmp;  /* modifiable copy of SHELLEXECUTEINFO struct */
 976     WCHAR wfileName[MAX_PATH];
 977     WCHAR *env;
 978     WCHAR lpstrProtocol[256];
 979     LPCWSTR lpFile;
 980     UINT retval = 31;
 981     WCHAR wcmd[1024];
 982     WCHAR buffer[MAX_PATH];
 983     const WCHAR* ext;
 984     BOOL done;
 985
 986     /* make a local copy of the LPSHELLEXECUTEINFO structure and work with this from now on */
 987     memcpy(&sei_tmp, sei, sizeof(sei_tmp));
 988
 989     TRACE("mask=0x%08lx hwnd=%p verb=%s file=%s parm=%s dir=%s show=0x%08x class=%s\n",
 990             sei_tmp.fMask, sei_tmp.hwnd, debugstr_w(sei_tmp.lpVerb),
 991             debugstr_w(sei_tmp.lpFile), debugstr_w(sei_tmp.lpParameters),
 992             debugstr_w(sei_tmp.lpDirectory), sei_tmp.nShow,
 993             (sei_tmp.fMask & SEE_MASK_CLASSNAME) ? debugstr_w(sei_tmp.lpClass) : "not used");
 994
 995     sei->hProcess = NULL;
 996
 997     /* make copies of all path/command strings */
 998     if (sei_tmp.lpFile)
 999         strcpyW(wszApplicationName, sei_tmp.lpFile);
1000     else
1001         *wszApplicationName = '\0';
1002
1003     if (sei_tmp.lpParameters)
1004         strcpyW(wszParameters, sei_tmp.lpParameters);
1005     else
1006         *wszParameters = '\0';
1007
1008     if (sei_tmp.lpDirectory)
1009         strcpyW(wszDir, sei_tmp.lpDirectory);
1010     else
1011         *wszDir = '\0';
1012
1013     /* adjust string pointers to point to the new buffers */
1014     sei_tmp.lpFile = wszApplicationName;
1015     sei_tmp.lpParameters = wszParameters;
1016     sei_tmp.lpDirectory = wszDir;
1017
1018     if (sei_tmp.fMask & (SEE_MASK_INVOKEIDLIST | SEE_MASK_ICON | SEE_MASK_HOTKEY |
1019         SEE_MASK_CONNECTNETDRV | SEE_MASK_FLAG_DDEWAIT |
1020         SEE_MASK_DOENVSUBST | SEE_MASK_FLAG_NO_UI | SEE_MASK_UNICODE |
1021         SEE_MASK_NO_CONSOLE | SEE_MASK_ASYNCOK | SEE_MASK_HMONITOR ))
1022     {
1023         FIXME("flags ignored: 0x%08lx\n", sei_tmp.fMask);
1024     }
1025
1026     /* process the IDList */
1027     if (sei_tmp.fMask & SEE_MASK_IDLIST)
1028     {
1029         IShellExecuteHookW* pSEH;
1030
1031         HRESULT hr = SHBindToParent(sei_tmp.lpIDList, &IID_IShellExecuteHookW, (LPVOID*)&pSEH, NULL);
1032
1033         if (SUCCEEDED(hr))
1034         {
1035             hr = IShellExecuteHookW_Execute(pSEH, sei);
1036
1037             IShellExecuteHookW_Release(pSEH);
1038
1039             if (hr == S_OK)
1040                 return TRUE;
1041         }
1042
1043         wszApplicationName[0] = '"';
1044         SHGetPathFromIDListW(sei_tmp.lpIDList, wszApplicationName+1);
1045         strcatW(wszApplicationName, wQuote);
1046         TRACE("-- idlist=%p (%s)\n", sei_tmp.lpIDList, debugstr_w(wszApplicationName));
1047     }
1048
1049     if (sei_tmp.fMask & (SEE_MASK_CLASSNAME | SEE_MASK_CLASSKEY))
1050     {
1051         /* launch a document by fileclass like 'WordPad.Document.1' */
1052         /* the Commandline contains 'c:\Path\wordpad.exe "%1"' */
1053         /* FIXME: szCommandline should not be of a fixed size. Fixed to 1024, MAX_PATH is way too short! */
1054         HCR_GetExecuteCommandW((sei_tmp.fMask & SEE_MASK_CLASSKEY) ? sei_tmp.hkeyClass : NULL,
1055                                (sei_tmp.fMask & SEE_MASK_CLASSNAME) ? sei_tmp.lpClass: NULL,
1056                                (sei_tmp.lpVerb) ? sei_tmp.lpVerb : wszOpen,
1057                                wszParameters, sizeof(wszParameters)/sizeof(WCHAR));
1058
1059         /* FIXME: get the extension of lpFile, check if it fits to the lpClass */
1060         TRACE("SEE_MASK_CLASSNAME->'%s', doc->'%s'\n", debugstr_w(wszParameters), debugstr_w(wszApplicationName));
1061
1062         wcmd[0] = '\0';
1063         done = SHELL_ArgifyW(wcmd, sizeof(wcmd)/sizeof(WCHAR), wszParameters, wszApplicationName, sei_tmp.lpIDList, NULL);
1064         if (!done && wszApplicationName[0])
1065         {
1066             strcatW(wcmd, wSpace);
1067             strcatW(wcmd, wszApplicationName);
1068         }
1069         retval = execfunc(wcmd, NULL, FALSE, &sei_tmp, sei);
1070         if (retval > 32)
1071             return TRUE;
1072         else
1073             return FALSE;
1074     }
1075
1076
1077     /* resolve shell shortcuts */
1078     ext = PathFindExtensionW(sei_tmp.lpFile);
1079
1080     if (ext && !strncmpiW(ext, wExtLnk, sizeof(wExtLnk) / sizeof(WCHAR) - 1) &&
1081         (ext[sizeof(wExtLnk) / sizeof(WCHAR) - 1] == '\0' ||
1082          (sei_tmp.lpFile[0] == '"' && ext[sizeof(wExtLnk) / sizeof(WCHAR) - 1] == '"')))        /* or check for: shell_attribs & SFGAO_LINK */
1083     {
1084         HRESULT hr;
1085         BOOL Quoted;
1086
1087         if (wszApplicationName[0] == '"')
1088         {
1089             if (wszApplicationName[strlenW(wszApplicationName) - 1] == '"')
1090             {
1091                 wszApplicationName[strlenW(wszApplicationName) - 1] = '\0';
1092                 Quoted = TRUE;
1093             }
1094             else
1095             {
1096                 Quoted = FALSE;
1097             }
1098         }
1099         else
1100         {
1101             Quoted = FALSE;
1102         }
1103         /* expand paths before reading shell link */
1104         if (ExpandEnvironmentStringsW(Quoted ? sei_tmp.lpFile + 1 : sei_tmp.lpFile, buffer, MAX_PATH))
1105             lstrcpyW(Quoted ? wszApplicationName + 1 : wszApplicationName/*sei_tmp.lpFile*/, buffer);
1106
1107         if (*sei_tmp.lpParameters)
1108             if (ExpandEnvironmentStringsW(sei_tmp.lpParameters, buffer, MAX_PATH))
1109                 lstrcpyW(wszParameters/*sei_tmp.lpParameters*/, buffer);
1110
1111         hr = SHELL_ResolveShortCutW((LPWSTR)(Quoted ? sei_tmp.lpFile + 1 : sei_tmp.lpFile),
1112                                     (LPWSTR)sei_tmp.lpParameters, (LPWSTR)sei_tmp.lpDirectory,
1113                                     sei_tmp.hwnd, sei_tmp.lpVerb?sei_tmp.lpVerb:wszEmpty, &sei_tmp.nShow, (LPITEMIDLIST*)&sei_tmp.lpIDList);
1114         if (Quoted)
1115         {
1116             wszApplicationName[strlenW(wszApplicationName) + 1] = '\0';
1117             wszApplicationName[strlenW(wszApplicationName)] = '"';
1118         }
1119
1120         if (sei->lpIDList)
1121             sei->fMask |= SEE_MASK_IDLIST;
1122
1123         if (SUCCEEDED(hr))
1124         {
1125             /* repeat IDList processing if needed */
1126             if (sei_tmp.fMask & SEE_MASK_IDLIST)
1127             {
1128                 IShellExecuteHookW* pSEH;
1129
1130                 HRESULT hr = SHBindToParent(sei_tmp.lpIDList, &IID_IShellExecuteHookW, (LPVOID*)&pSEH, NULL);
1131
1132                 if (SUCCEEDED(hr))
1133                 {
1134                     hr = IShellExecuteHookW_Execute(pSEH, sei);
1135
1136                     IShellExecuteHookW_Release(pSEH);
1137
1138                     if (hr == S_OK)
1139                         return TRUE;
1140                 }
1141
1142                 TRACE("-- idlist=%p (%s)\n", debugstr_w(sei_tmp.lpIDList), debugstr_w(sei_tmp.lpFile));
1143             }
1144         }
1145     }
1146
1147
1148     /* Has the IDList not yet been translated? */
1149     if (sei_tmp.fMask & SEE_MASK_IDLIST)
1150     {
1151         /* last chance to translate IDList: now also allow CLSID paths */
1152         if (SUCCEEDED(SHELL_GetPathFromIDListForExecuteW(sei_tmp.lpIDList, buffer, sizeof(buffer)))) {
1153             if (buffer[0]==':' && buffer[1]==':') {
1154                 /* open shell folder for the specified class GUID */
1155                 strcpyW(wszParameters, buffer);
1156                 strcpyW(wszApplicationName, wExplorer);
1157
1158                 sei_tmp.fMask &= ~SEE_MASK_INVOKEIDLIST;
1159             } else if (HCR_GetExecuteCommandW(0, wszFolder, sei_tmp.lpVerb?sei_tmp.lpVerb:wszOpen, buffer, sizeof(buffer))) {
1160                 SHELL_ArgifyW(wszApplicationName, sizeof(wszApplicationName)/sizeof(WCHAR), buffer, NULL, sei_tmp.lpIDList, NULL);
1161
1162                 sei_tmp.fMask &= ~SEE_MASK_INVOKEIDLIST;
1163             }
1164         }
1165     }
1166
1167     /* expand environment strings */
1168     if (ExpandEnvironmentStringsW(sei_tmp.lpFile, buffer, MAX_PATH))
1169         lstrcpyW(wszApplicationName, buffer);
1170
1171     if (*sei_tmp.lpParameters)
1172         if (ExpandEnvironmentStringsW(sei_tmp.lpParameters, buffer, MAX_PATH))
1173             lstrcpyW(wszParameters, buffer);
1174
1175     if (*sei_tmp.lpDirectory)
1176         if (ExpandEnvironmentStringsW(sei_tmp.lpDirectory, buffer, MAX_PATH))
1177             lstrcpyW(wszDir, buffer);
1178
1179     /* Else, try to execute the filename */
1180     TRACE("execute:%s,%s,%s\n", debugstr_w(wszApplicationName), debugstr_w(wszParameters), debugstr_w(wszDir));
1181
1182     /* separate out command line arguments from executable file name */
1183     if (!*sei_tmp.lpParameters) {
1184         /* If the executable path is quoted, handle the rest of the command line as parameters. */
1185         if (sei_tmp.lpFile[0] == '"') {
1186             LPWSTR src = wszApplicationName/*sei_tmp.lpFile*/ + 1;
1187             LPWSTR dst = wfileName;
1188             LPWSTR end;
1189
1190             /* copy the unquoted executable path to 'wfileName' */
1191             while(*src && *src!='"')
1192                 *dst++ = *src++;
1193
1194             *dst = '\0';
1195
1196             if (*src == '"') {
1197                 end = ++src;
1198
1199                 while(isspace(*src))
1200                     ++src;
1201             } else
1202                 end = src;
1203
1204             /* copy the parameter string to 'wszParameters' */
1205             strcpyW(wszParameters, src);
1206
1207             /* terminate previous command string after the quote character */
1208             *end = '\0';
1209         }
1210         else
1211         {
1212             /* If the executable name is not quoted, we have to use this search loop here,
1213                that in CreateProcess() is not sufficient because it does not handle shell links. */
1214             WCHAR buffer[MAX_PATH], xlpFile[MAX_PATH];
1215             LPWSTR space, s;
1216
1217             LPWSTR beg = wszApplicationName/*sei_tmp.lpFile*/;
1218             for(s=beg; (space=strchrW(s, ' ')); s=space+1) {
1219                 int idx = space-sei_tmp.lpFile;
1220                 strncpyW(buffer, sei_tmp.lpFile, idx);
1221                 buffer[idx] = '\0';
1222
1223                 /*FIXME This finds directory paths if the targeted file name contains spaces. */
1224                 if (SearchPathW(*sei_tmp.lpDirectory? sei_tmp.lpDirectory: NULL, buffer, wszExe, sizeof(xlpFile), xlpFile, NULL))
1225                 {
1226                     /* separate out command from parameter string */
1227                     LPCWSTR p = space + 1;
1228
1229                     while(isspaceW(*p))
1230                         ++p;
1231
1232                     strcpyW(wszParameters, p);
1233                     *space = '\0';
1234
1235                     break;
1236                 }
1237             }
1238
1239             strcpyW(wfileName, sei_tmp.lpFile);
1240         }
1241     } else
1242         strcpyW(wfileName, sei_tmp.lpFile);
1243
1244     lpFile = wfileName;
1245
1246     if (sei_tmp.lpParameters[0]) {
1247         strcatW(wszApplicationName, wSpace);
1248         strcatW(wszApplicationName, wszParameters);
1249     }
1250
1251     /* We set the default to open, and that should generally work.
1252        But that is not really the way the MS docs say to do it. */
1253     if (!sei_tmp.lpVerb)
1254         sei_tmp.lpVerb = wszOpen;
1255
1256     retval = execfunc(wszApplicationName, NULL, FALSE, &sei_tmp, sei);
1257     if (retval > 32)
1258         return TRUE;
1259
1260     /* Else, try to find the executable */
1261     wcmd[0] = '\0';
1262     retval = SHELL_FindExecutable(sei_tmp.lpDirectory, lpFile, sei_tmp.lpVerb, wcmd, 1024, lpstrProtocol, &env, sei_tmp.lpIDList, sei_tmp.lpParameters);
1263     if (retval > 32)  /* Found */
1264     {
1265         WCHAR wszQuotedCmd[MAX_PATH+2];
1266         /* Must quote to handle case where cmd contains spaces,
1267          * else security hole if malicious user creates executable file "C:\\Program"
1268          */
1269         strcpyW(wszQuotedCmd, wQuote);
1270         strcatW(wszQuotedCmd, wcmd);
1271         strcatW(wszQuotedCmd, wQuote);
1272         if (wszParameters[0]) {
1273             strcatW(wszQuotedCmd, wSpace);
1274             strcatW(wszQuotedCmd, wszParameters);
1275         }
1276         TRACE("%s/%s => %s/%s\n", debugstr_w(wszApplicationName), debugstr_w(sei_tmp.lpVerb), debugstr_w(wszQuotedCmd), debugstr_w(lpstrProtocol));
1277         if (*lpstrProtocol)
1278             retval = execute_from_key(lpstrProtocol, wszApplicationName, env, sei_tmp.lpParameters, execfunc, &sei_tmp, sei);
1279         else
1280             retval = execfunc(wszQuotedCmd, env, FALSE, &sei_tmp, sei);
1281         if (env) HeapFree( GetProcessHeap(), 0, env );
1282     }
1283     else if (PathIsURLW((LPWSTR)lpFile))    /* File not found, check for URL */
1284     {
1285         static const WCHAR wShell[] = {'\\','s','h','e','l','l','\\',0};
1286         static const WCHAR wCommand[] = {'\\','c','o','m','m','a','n','d',0};
1287         LPWSTR lpstrRes;
1288         INT iSize;
1289
1290         lpstrRes = strchrW(lpFile, ':');
1291         if (lpstrRes)
1292             iSize = lpstrRes - lpFile;
1293         else
1294             iSize = strlenW(lpFile);
1295
1296         TRACE("Got URL: %s\n", debugstr_w(lpFile));
1297         /* Looking for ...protocol\shell\lpOperation\command */
1298         strncpyW(lpstrProtocol, lpFile, iSize);
1299         lpstrProtocol[iSize] = '\0';
1300         strcatW(lpstrProtocol, wShell);
1301         strcatW(lpstrProtocol, sei_tmp.lpVerb? sei_tmp.lpVerb: wszOpen);
1302         strcatW(lpstrProtocol, wCommand);
1303
1304         /* Remove File Protocol from lpFile */
1305         /* In the case file://path/file     */
1306         if (!strncmpiW(lpFile, wFile, iSize))
1307         {
1308             lpFile += iSize;
1309             while (*lpFile == ':') lpFile++;
1310         }
1311         retval = execute_from_key(lpstrProtocol, lpFile, NULL, sei_tmp.lpParameters, execfunc, &sei_tmp, sei);
1312     }
1313     /* Check if file specified is in the form www.??????.*** */
1314     else if (!strncmpiW(lpFile, wWww, 3))
1315     {
1316         /* if so, append lpFile http:// and call ShellExecute */
1317         WCHAR lpstrTmpFile[256];
1318         strcpyW(lpstrTmpFile, wHttp);
1319         strcatW(lpstrTmpFile, lpFile);
1320         retval = (UINT)ShellExecuteW(sei_tmp.hwnd, sei_tmp.lpVerb, lpstrTmpFile, NULL, NULL, 0);
1321     }
1322
1323     TRACE("retval %u\n", retval);
1324
1325     if (retval <= 32)
1326     {
1327         sei->hInstApp = (HINSTANCE)retval;
1328         return FALSE;
1329     }
1330
1331     sei->hInstApp = (HINSTANCE)33;
1332     return TRUE;
1333 }
1334
1335 /*************************************************************************
1336  * ShellExecuteA                        [SHELL32.290]
1337  */
1338 HINSTANCE WINAPI ShellExecuteA(HWND hWnd, LPCSTR lpOperation,LPCSTR lpFile,
1339                                LPCSTR lpParameters,LPCSTR lpDirectory, INT iShowCmd)
1340 {
1341     SHELLEXECUTEINFOA sei;
1342     HANDLE hProcess = 0;
1343
1344     TRACE("%p,%s,%s,%s,%s,%d\n",
1345            hWnd, lpOperation, lpFile, lpParameters, lpDirectory, iShowCmd);
1346
1347     sei.cbSize = sizeof(sei);
1348     sei.fMask = 0;
1349     sei.hwnd = hWnd;
1350     sei.lpVerb = lpOperation;
1351     sei.lpFile = lpFile;
1352     sei.lpParameters = lpParameters;
1353     sei.lpDirectory = lpDirectory;
1354     sei.nShow = iShowCmd;
1355     sei.lpIDList = 0;
1356     sei.lpClass = 0;
1357     sei.hkeyClass = 0;
1358     sei.dwHotKey = 0;
1359     sei.hProcess = hProcess;
1360
1361     ShellExecuteExA (&sei);
1362     return sei.hInstApp;
1363 }
1364
1365 /*************************************************************************
1366  * ShellExecuteEx                               [SHELL32.291]
1367  *
1368  */
1369 BOOL WINAPI ShellExecuteExAW (LPVOID sei)
1370 {
1371     if (SHELL_OsIsUnicode())
1372         return ShellExecuteExW32 (sei, SHELL_ExecuteW);
1373     return ShellExecuteExA (sei);
1374 }
1375
1376 /*************************************************************************
1377  * ShellExecuteExA                              [SHELL32.292]
1378  *
1379  */
1380 BOOL WINAPI ShellExecuteExA (LPSHELLEXECUTEINFOA sei)
1381 {
1382     SHELLEXECUTEINFOW seiW;
1383     BOOL ret;
1384     WCHAR *wVerb = NULL, *wFile = NULL, *wParameters = NULL, *wDirectory = NULL, *wClass = NULL;
1385
1386     TRACE("%p\n", sei);
1387
1388     memcpy(&seiW, sei, sizeof(SHELLEXECUTEINFOW));
1389
1390     if (sei->lpVerb)
1391         seiW.lpVerb = __SHCloneStrAtoW(&wVerb, sei->lpVerb);
1392
1393     if (sei->lpFile)
1394         seiW.lpFile = __SHCloneStrAtoW(&wFile, sei->lpFile);
1395
1396     if (sei->lpParameters)
1397         seiW.lpParameters = __SHCloneStrAtoW(&wParameters, sei->lpParameters);
1398
1399     if (sei->lpDirectory)
1400         seiW.lpDirectory = __SHCloneStrAtoW(&wDirectory, sei->lpDirectory);
1401
1402     if ((sei->fMask & SEE_MASK_CLASSNAME) && sei->lpClass)
1403         seiW.lpClass = __SHCloneStrAtoW(&wClass, sei->lpClass);
1404     else
1405         seiW.lpClass = NULL;
1406
1407     ret = ShellExecuteExW32 (&seiW, SHELL_ExecuteW);
1408
1409     sei->hInstApp = seiW.hInstApp;
1410
1411     if (wVerb) SHFree(wVerb);
1412     if (wFile) SHFree(wFile);
1413     if (wParameters) SHFree(wParameters);
1414     if (wDirectory) SHFree(wDirectory);
1415     if (wClass) SHFree(wClass);
1416
1417     return ret;
1418 }
1419
1420 /*************************************************************************
1421  * ShellExecuteExW                              [SHELL32.293]
1422  *
1423  */
1424 BOOL WINAPI ShellExecuteExW (LPSHELLEXECUTEINFOW sei)
1425 {
1426     return  ShellExecuteExW32 (sei, SHELL_ExecuteW);
1427 }
1428
1429 /*************************************************************************
1430  * ShellExecuteW                        [SHELL32.294]
1431  * from shellapi.h
1432  * WINSHELLAPI HINSTANCE APIENTRY ShellExecuteW(HWND hwnd, LPCWSTR lpOperation,
1433  * LPCWSTR lpFile, LPCWSTR lpParameters, LPCWSTR lpDirectory, INT nShowCmd);
1434  */
1435 HINSTANCE WINAPI ShellExecuteW(HWND hwnd, LPCWSTR lpOperation, LPCWSTR lpFile,
1436                                LPCWSTR lpParameters, LPCWSTR lpDirectory, INT nShowCmd)
1437 {
1438     SHELLEXECUTEINFOW sei;
1439     HANDLE hProcess = 0;
1440
1441     TRACE("\n");
1442     sei.cbSize = sizeof(sei);
1443     sei.fMask = 0;
1444     sei.hwnd = hwnd;
1445     sei.lpVerb = lpOperation;
1446     sei.lpFile = lpFile;
1447     sei.lpParameters = lpParameters;
1448     sei.lpDirectory = lpDirectory;
1449     sei.nShow = nShowCmd;
1450     sei.lpIDList = 0;
1451     sei.lpClass = 0;
1452     sei.hkeyClass = 0;
1453     sei.dwHotKey = 0;
1454     sei.hProcess = hProcess;
1455
1456     ShellExecuteExW32 (&sei, SHELL_ExecuteW);
1457     return sei.hInstApp;
1458 }