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