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