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