reactos/lib/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     LPVOID  pv;
  86     PWSTR   res = out;
  87     PCWSTR  cmd;
  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                 }
 128                 else
 129                 {
 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                             strcpyW(res, cmd);
 143                             res += strlenW(cmd);
 144                         }
 145                         else
 146                         {
 147                             strcpyW(res, cmd);
 148                             res += strlenW(cmd);
 149                         }
 150                     }
 151                 }
 152                 break;
 153
 154               /*
 155                * IE uses this alot for activating things such as windows media
 156                * player. This is not verified to be fully correct but it appears
 157                * to work just fine.
 158                */
 159               case 'l':
 160               case 'L':
 161                 if (lpFile) {
 162                     strcpyW(res, lpFile);
 163                     res += strlenW(lpFile);
 164                 }
 165                 break;
 166
 167               case 'i':
 168               case 'I':
 169                 if (pidl) {
 170                     HGLOBAL hmem = SHAllocShared(pidl, ILGetSize(pidl), 0);
 171                     pv = SHLockShared(hmem, 0);
 172                     res += sprintfW(res, wszILPtr, pv);
 173                     SHUnlockShared(pv);
 174                 }
 175                 break;
 176
 177             default: FIXME("Unknown escape sequence %%%c\n", *fmt);
 178             }
 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' and fill psei with its content
 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
 305     TRACE("Execute %s from directory %s\n", debugstr_w(lpCmd), debugstr_w(psei->lpDirectory));
 306
 307     ZeroMemory(&startup, sizeof(startup));
 308     startup.cb = sizeof(STARTUPINFOW);
 309     startup.dwFlags = STARTF_USESHOWWINDOW;
 310     startup.wShowWindow = psei->nShow;
 311
 312     if (CreateProcessW(NULL, (LPWSTR)lpCmd, NULL, NULL, FALSE, 0,
 313                        env, *psei->lpDirectory? psei->lpDirectory: NULL, &startup, &info))
 314     {
 315         /* Give 30 seconds to the app to come up, if desired. Probably only needed
 316            when starting app immediately before making a DDE connection. */
 317         if (shWait)
 318             if (WaitForInputIdle( info.hProcess, 30000 ) == -1)
 319                 WARN("WaitForInputIdle failed: Error %ld\n", GetLastError() );
 320         retval = 33;
 321
 322         if (psei->fMask & SEE_MASK_NOCLOSEPROCESS)
 323             psei_out->hProcess = info.hProcess;
 324         else
 325             CloseHandle(info.hProcess);
 326
 327         CloseHandle(info.hThread);
 328     }
 329     else if ((retval = GetLastError()) >= 32)
 330     {
 331         FIXME("Strange error set by CreateProcess: %d\n", retval);
 332         retval = ERROR_BAD_FORMAT;
 333     }
 334
 335     TRACE("returning %u\n", retval);
 336
 337     psei_out->hInstApp = (HINSTANCE)retval;
 338     return retval;
 339 }
 340
 341
 342 /***********************************************************************
 343  *           SHELL_BuildEnvW    [Internal]
 344  *
 345  * Build the environment for the new process, adding the specified
 346  * path to the PATH variable. Returned pointer must be freed by caller.
 347  */
 348 static void *SHELL_BuildEnvW( const WCHAR *path )
 349 {
 350     static const WCHAR wPath[] = {'P','A','T','H','=',0};
 351     WCHAR *strings, *new_env;
 352     WCHAR *p, *p2;
 353     int total = strlenW(path) + 1;
 354     BOOL got_path = FALSE;
 355
 356     if (!(strings = GetEnvironmentStringsW())) return NULL;
 357     p = strings;
 358     while (*p)
 359     {
 360         int len = strlenW(p) + 1;
 361         if (!strncmpiW( p, wPath, 5 )) got_path = TRUE;
 362         total += len;
 363         p += len;
 364     }
 365     if (!got_path) total += 5;  /* we need to create PATH */
 366     total++;  /* terminating null */
 367
 368     if (!(new_env = HeapAlloc( GetProcessHeap(), 0, total * sizeof(WCHAR) )))
 369     {
 370         FreeEnvironmentStringsW( strings );
 371         return NULL;
 372     }
 373     p = strings;
 374     p2 = new_env;
 375     while (*p)
 376     {
 377         int len = strlenW(p) + 1;
 378         memcpy( p2, p, len * sizeof(WCHAR) );
 379         if (!strncmpiW( p, wPath, 5 ))
 380         {
 381             p2[len - 1] = ';';
 382             strcpyW( p2 + len, path );
 383             p2 += strlenW(path) + 1;
 384         }
 385         p += len;
 386         p2 += len;
 387     }
 388     if (!got_path)
 389     {
 390         strcpyW( p2, wPath );
 391         strcatW( p2, path );
 392         p2 += strlenW(p2) + 1;
 393     }
 394     *p2 = 0;
 395     FreeEnvironmentStringsW( strings );
 396     return new_env;
 397 }
 398
 399
 400 /***********************************************************************
 401  *           SHELL_TryAppPathW  [Internal]
 402  *
 403  * Helper function for SHELL_FindExecutable
 404  * @param lpResult - pointer to a buffer of size MAX_PATH
 405  * On entry: szName is a filename (probably without path separators).
 406  * On exit: if szName found in "App Path", place full path in lpResult, and return true
 407  */
 408 static BOOL SHELL_TryAppPathW(LPCWSTR szName, LPWSTR lpResult, void** env)
 409 {
 410     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',
 411         '\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\','A','p','p',' ','P','a','t','h','s','\\',0};
 412     static const WCHAR wPath[] = {'P','a','t','h',0};
 413
 414     HKEY hkApp = 0;
 415     WCHAR buffer[1024];
 416     LONG len;
 417     LONG res;
 418     BOOL found = FALSE;
 419
 420     if (env) *env = NULL;
 421     strcpyW(buffer, wszKeyAppPaths);
 422     strcatW(buffer, szName);
 423     res = RegOpenKeyExW(HKEY_LOCAL_MACHINE, buffer, 0, KEY_READ, &hkApp);
 424     if (res) goto end;
 425
 426     len = MAX_PATH*sizeof(WCHAR);
 427     res = RegQueryValueW(hkApp, NULL, lpResult, &len);
 428     if (res) goto end;
 429     found = TRUE;
 430
 431     if (env)
 432     {
 433         DWORD count = sizeof(buffer);
 434         if (!RegQueryValueExW(hkApp, wPath, NULL, NULL, (LPBYTE)buffer, &count) && buffer[0])
 435             *env = SHELL_BuildEnvW( buffer );
 436     }
 437
 438 end:
 439     if (hkApp) RegCloseKey(hkApp);
 440     return found;
 441 }
 442
 443 static UINT SHELL_FindExecutableByOperation(LPCWSTR lpPath, LPCWSTR lpFile, LPCWSTR lpOperation, LPWSTR key, LPWSTR filetype, LPWSTR command, LONG commandlen)
 444 {
 445     static const WCHAR wCommand[] = {'\\','c','o','m','m','a','n','d',0};
 446
 447     /* Looking for ...buffer\shell\<verb>\command */
 448     strcatW(filetype, wszShell);
 449     strcatW(filetype, lpOperation);
 450     strcatW(filetype, wCommand);
 451
 452     if (RegQueryValueW(HKEY_CLASSES_ROOT, filetype, command,
 453                        &commandlen) == ERROR_SUCCESS)
 454     {
 455         commandlen /= sizeof(WCHAR);
 456         if (key) strcpyW(key, filetype);
 457 #if 0
 458         LPWSTR tmp;
 459         WCHAR param[256];
 460         LONG paramlen = sizeof(param);
 461         static const WCHAR wSpace[] = {' ',0};
 462
 463         /* FIXME: it seems all Windows version don't behave the same here.
 464          * the doc states that this ddeexec information can be found after
 465          * the exec names.
 466          * on Win98, it doesn't appear, but I think it does on Win2k
 467          */
 468         /* Get the parameters needed by the application
 469            from the associated ddeexec key */
 470         tmp = strstrW(filetype, wCommand);
 471         tmp[0] = '\0';
 472         strcatW(filetype, wDdeexec);
 473         if (RegQueryValueW(HKEY_CLASSES_ROOT, filetype, param,
 474                                      &paramlen) == ERROR_SUCCESS)
 475         {
 476             paramlen /= sizeof(WCHAR);
 477             strcatW(command, wSpace);
 478             strcatW(command, param);
 479             commandlen += paramlen;
 480         }
 481 #endif
 482
 483         command[commandlen] = '\0';
 484
 485         return 33; /* FIXME see SHELL_FindExecutable() */
 486     }
 487
 488     return 31;  /* default - 'No association was found' */
 489 }
 490
 491 /*************************************************************************
 492  *      SHELL_FindExecutable [Internal]
 493  *
 494  * Utility for code sharing between FindExecutable and ShellExecute
 495  * in:
 496  *      lpFile the name of a file
 497  *      lpOperation the operation on it (open)
 498  * out:
 499  *      lpResult a buffer, big enough :-(, to store the command to do the
 500  *              operation on the file
 501  *      key a buffer, big enough, to get the key name to do actually the
 502  *              command (it'll be used afterwards for more information
 503  *              on the operation)
 504  */
 505 UINT SHELL_FindExecutable(LPCWSTR lpPath, LPCWSTR lpFile, LPCWSTR lpOperation,
 506                             LPWSTR lpResult, int resultLen, LPWSTR key, void **env, LPITEMIDLIST pidl, LPCWSTR args)
 507 {
 508     static const WCHAR wWindows[] = {'w','i','n','d','o','w','s',0};
 509     static const WCHAR wPrograms[] = {'p','r','o','g','r','a','m','s',0};
 510     static const WCHAR wExtensions[] = {'e','x','e',' ','p','i','f',' ','b','a','t',' ','c','m','d',' ','c','o','m',0};
 511
 512     WCHAR *extension = NULL; /* pointer to file extension */
 513     WCHAR wtmpext[5];        /* local copy to mung as we please */
 514     WCHAR filetype[256];     /* registry name for this filetype */
 515     LONG  filetypelen = sizeof(filetype); /* length of above */
 516     WCHAR command[256];      /* command from registry */
 517     WCHAR wBuffer[256];      /* Used to GetProfileString */
 518     UINT  retval = 31;       /* default - 'No association was found' */
 519     WCHAR *tok;              /* token pointer */
 520     WCHAR xlpFile[256];      /* result of SearchPath */
 521     DWORD attribs;           /* file attributes */
 522
 523     TRACE("%s\n", (lpFile != NULL) ? debugstr_w(lpFile) : "-");
 524
 525     lpResult[0] = '\0'; /* Start off with an empty return string */
 526     if (key) *key = '\0';
 527
 528     xlpFile[0] = '\0';
 529
 530     /* trap NULL parameters on entry */
 531     if ((lpFile == NULL) || (lpResult == NULL))
 532     {
 533         WARN("(lpFile=%s,lpResult=%s): NULL parameter\n", debugstr_w(lpFile), debugstr_w(lpResult));
 534         return 2; /* File not found. Close enough, I guess. */
 535     }
 536
 537     if (SHELL_TryAppPathW( lpFile, lpResult, env ))
 538     {
 539         TRACE("found %s via App Paths\n", debugstr_w(lpResult));
 540         return 33;
 541     }
 542
 543     if (SearchPathW(lpPath, lpFile, wszExe, sizeof(xlpFile)/sizeof(WCHAR), xlpFile, NULL))
 544     {
 545         TRACE("SearchPathW returned non-zero\n");
 546         lpFile = xlpFile;
 547         /* Hey, isn't this value ignored?  Why make this call?  Shouldn't we return here?  --dank*/
 548     }
 549
 550     attribs = GetFileAttributesW(lpFile);
 551     if (attribs!=INVALID_FILE_ATTRIBUTES && (attribs&FILE_ATTRIBUTE_DIRECTORY))
 552     {
 553         strcpyW(filetype, wszFolder);
 554         filetypelen = 6;    /* strlen("Folder") */
 555     }
 556     else
 557     {
 558         /* First thing we need is the file's extension */
 559         extension = strrchrW(xlpFile, '.'); /* Assume last "." is the one; */
 560                                            /* File->Run in progman uses */
 561                                            /* .\FILE.EXE :( */
 562         TRACE("xlpFile=%s,extension=%s\n", debugstr_w(xlpFile), debugstr_w(extension));
 563
 564         if ((extension == NULL) || (extension == &xlpFile[strlenW(xlpFile)]))
 565         {
 566             WARN("Returning 31 - No association\n");
 567             return 31; /* no association */
 568         }
 569         /* Make local copy & lowercase it for reg & 'programs=' lookup */
 570         lstrcpynW(wtmpext, extension, 5);
 571         CharLowerW(wtmpext);
 572         TRACE("%s file\n", debugstr_w(wtmpext));
 573
 574         /* Three places to check: */
 575         /* 1. win.ini, [windows], programs (NB no leading '.') */
 576         /* 2. Registry, HKEY_CLASS_ROOT\<filetype>\shell\open\command */
 577         /* 3. win.ini, [extensions], extension (NB no leading '.' */
 578         /* All I know of the order is that registry is checked before */
 579         /* extensions; however, it'd make sense to check the programs */
 580         /* section first, so that's what happens here. */
 581
 582         /* See if it's a program - if GetProfileString fails, we skip this
 583          * section. Actually, if GetProfileString fails, we've probably
 584          * got a lot more to worry about than running a program... */
 585         if (GetProfileStringW(wWindows, wPrograms, wExtensions, wBuffer, sizeof(wBuffer)/sizeof(WCHAR)) > 0)
 586         {
 587             CharLowerW(wBuffer);
 588             tok = wBuffer;
 589             while (*tok)
 590             {
 591                 WCHAR *p = tok;
 592                 while (*p && *p != ' ' && *p != '\t') p++;
 593                 if (*p)
 594                 {
 595                     *p++ = 0;
 596                     while (*p == ' ' || *p == '\t') p++;
 597                 }
 598
 599                 if (strcmpW(tok, &wtmpext[1]) == 0) /* have to skip the leading "." */
 600                 {
 601                     strcpyW(lpResult, xlpFile);
 602                     /* Need to perhaps check that the file has a path
 603                      * attached */
 604                     TRACE("found %s\n", debugstr_w(lpResult));
 605                     return 33;
 606
 607                     /* Greater than 32 to indicate success FIXME According to the
 608                      * docs, I should be returning a handle for the
 609                      * executable. Does this mean I'm supposed to open the
 610                      * executable file or something? More RTFM, I guess... */
 611                 }
 612                 tok = p;
 613             }
 614         }
 615
 616         /* Check registry */
 617         if (RegQueryValueW(HKEY_CLASSES_ROOT, wtmpext, filetype,
 618                             &filetypelen) == ERROR_SUCCESS)
 619         {
 620             filetypelen /= sizeof(WCHAR);
 621             filetype[filetypelen] = '\0';
 622             TRACE("File type: %s\n", debugstr_w(filetype));
 623         }
 624     }
 625
 626     if (*filetype)
 627     {
 628         if (lpOperation)
 629         {
 630             /* pass the operation string to SHELL_FindExecutableByOperation() */
 631             filetype[filetypelen] = '\0';
 632             retval = SHELL_FindExecutableByOperation(lpPath, lpFile, lpOperation, key, filetype, command, sizeof(command));
 633         }
 634         else
 635         {
 636             WCHAR operation[MAX_PATH];
 637             HKEY hkey;
 638
 639             /* Looking for ...buffer\shell\<operation>\command */
 640             strcatW(filetype, wszShell);
 641
 642             /* enumerate the operation subkeys in the registry and search for one with an associated command */
 643             if (RegOpenKeyW(HKEY_CLASSES_ROOT, filetype, &hkey) == ERROR_SUCCESS)
 644             {
 645                 int idx = 0;
 646                 for(;; ++idx)
 647                 {
 648                     if (RegEnumKeyW(hkey, idx, operation, MAX_PATH) != ERROR_SUCCESS)
 649                         break;
 650
 651                     filetype[filetypelen] = '\0';
 652                     retval = SHELL_FindExecutableByOperation(lpPath, lpFile, operation, key, filetype, command, sizeof(command));
 653
 654                     if (retval > 32)
 655                         break;
 656                 }
 657                 RegCloseKey(hkey);
 658             }
 659         }
 660
 661         if (retval > 32)
 662         {
 663             SHELL_ArgifyW(lpResult, resultLen, command, xlpFile, pidl, args);
 664
 665             /* Remove double quotation marks and command line arguments */
 666             if (*lpResult == '"')
 667             {
 668                 WCHAR *p = lpResult;
 669                 while (*(p + 1) != '"')
 670                 {
 671                     *p = *(p + 1);
 672                     p++;
 673                 }
 674                 *p = '\0';
 675             }
 676         }
 677     }
 678     else if (extension) /* Check win.ini */
 679     {
 680         static const WCHAR wExtensions[] = {'e','x','t','e','n','s','i','o','n','s',0};
 681
 682         /* Toss the leading dot */
 683         extension++;
 684         if (GetProfileStringW(wExtensions, extension, wszEmpty, command, sizeof(command)/sizeof(WCHAR)) > 0)
 685         {
 686             if (strlenW(command) != 0)
 687             {
 688                 strcpyW(lpResult, command);
 689                 tok = strchrW(lpResult, '^'); /* should be ^.extension? */
 690
 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
 702                 retval = 33; /* FIXME - see above */
 703             }
 704         }
 705     }
 706
 707     TRACE("returning %s\n", debugstr_w(lpResult));
 708     return retval;
 709 }
 710
 711 /******************************************************************
 712  *              dde_cb
 713  *
 714  * callback for the DDE connection. not really usefull
 715  */
 716 static HDDEDATA CALLBACK dde_cb(UINT uType, UINT uFmt, HCONV hConv,
 717                                 HSZ hsz1, HSZ hsz2,
 718                                 HDDEDATA hData, DWORD dwData1, DWORD dwData2)
 719 {
 720     return NULL;
 721 }
 722
 723 /******************************************************************
 724  *              dde_connect
 725  *
 726  * ShellExecute helper. Used to do an operation with a DDE connection
 727  *
 728  * Handles both the direct connection (try #1), and if it fails,
 729  * launching an application and trying (#2) to connect to it
 730  *
 731  */
 732 static unsigned dde_connect(WCHAR * key, WCHAR* start, WCHAR* ddeexec,
 733                             const WCHAR* lpFile, void *env,
 734                             LPCWSTR szCommandline, LPITEMIDLIST pidl, SHELL_ExecuteW32 execfunc,
 735                             LPSHELLEXECUTEINFOW psei, LPSHELLEXECUTEINFOW psei_out)
 736 {
 737     static const WCHAR wApplication[] = {'\\','a','p','p','l','i','c','a','t','i','o','n',0};
 738     static const WCHAR wTopic[] = {'\\','t','o','p','i','c',0};
 739
 740     WCHAR*      endkey = key + strlenW(key);
 741     WCHAR       app[256], topic[256], ifexec[256];
 742     WCHAR       res[1024];
 743     LONG        applen, topiclen, ifexeclen;
 744     WCHAR *     exec;
 745     DWORD       ddeInst = 0;
 746     DWORD       tid;
 747     HSZ         hszApp, hszTopic;
 748     HCONV       hConv;
 749     unsigned    ret = 31;
 750
 751     strcpyW(endkey, wApplication);
 752     applen = sizeof(app);
 753     if (RegQueryValueW(HKEY_CLASSES_ROOT, key, app, &applen) != ERROR_SUCCESS)
 754     {
 755         FIXME("default app name NIY %s\n", debugstr_w(key));
 756         return 2;
 757     }
 758
 759     strcpyW(endkey, wTopic);
 760     topiclen = sizeof(topic);
 761     if (RegQueryValueW(HKEY_CLASSES_ROOT, key, topic, &topiclen) != ERROR_SUCCESS)
 762     {
 763         static const WCHAR wSystem[] = {'S','y','s','t','e','m',0};
 764         strcpyW(topic, wSystem);
 765     }
 766
 767     if (DdeInitializeW(&ddeInst, dde_cb, APPCMD_CLIENTONLY, 0L) != DMLERR_NO_ERROR)
 768     {
 769         return 2;
 770     }
 771
 772     hszApp = DdeCreateStringHandleW(ddeInst, app, CP_WINANSI);
 773     hszTopic = DdeCreateStringHandleW(ddeInst, topic, CP_WINANSI);
 774
 775     hConv = DdeConnect(ddeInst, hszApp, hszTopic, NULL);
 776     exec = ddeexec;
 777     if (!hConv)
 778     {
 779         static const WCHAR wIfexec[] = {'\\','i','f','e','x','e','c',0};
 780         TRACE("Launching '%s'\n", debugstr_w(start));
 781         ret = execfunc(start, env, TRUE, psei, psei_out);
 782         if (ret < 32)
 783         {
 784             TRACE("Couldn't launch\n");
 785             goto error;
 786         }
 787         hConv = DdeConnect(ddeInst, hszApp, hszTopic, NULL);
 788         if (!hConv)
 789         {
 790             TRACE("Couldn't connect. ret=%d\n", ret);
 791             DdeUninitialize(ddeInst);
 792             SetLastError(ERROR_DDE_FAIL);
 793             return ret = 30; /* whatever */
 794         }
 795         strcpyW(endkey, wIfexec);
 796         ifexeclen = sizeof(ifexec);
 797         if (RegQueryValueW(HKEY_CLASSES_ROOT, key, ifexec, &ifexeclen) == ERROR_SUCCESS)
 798         {
 799             exec = ifexec;
 800         }
 801     }
 802
 803     SHELL_ArgifyW(res, sizeof(res), exec, lpFile, pidl, szCommandline);
 804     TRACE("%s %s => %s\n", debugstr_w(exec), debugstr_w(lpFile), debugstr_w(res));
 805
 806     ret = (DdeClientTransaction((LPBYTE)res, (strlenW(res) + 1) * sizeof(WCHAR), hConv, 0L, 0,
 807                                 XTYP_EXECUTE, 10000, &tid) != DMLERR_NO_ERROR) ? 31 : 33;
 808     DdeDisconnect(hConv);
 809  error:
 810     DdeUninitialize(ddeInst);
 811     return ret;
 812 }
 813
 814 /*************************************************************************
 815  *      execute_from_key [Internal]
 816  */
 817 static UINT execute_from_key(LPWSTR key, LPCWSTR lpFile, void *env, LPCWSTR szCommandline,
 818                              SHELL_ExecuteW32 execfunc,
 819                              LPSHELLEXECUTEINFOW psei, LPSHELLEXECUTEINFOW psei_out)
 820 {
 821     WCHAR cmd[1024];
 822     LONG cmdlen = sizeof(cmd);
 823     UINT retval = 31;
 824
 825     cmd[0] = '\0';
 826
 827     /* Get the application for the registry */
 828     if (RegQueryValueW(HKEY_CLASSES_ROOT, key, cmd, &cmdlen) == ERROR_SUCCESS)
 829     {
 830         static const WCHAR wCommand[] = {'c','o','m','m','a','n','d',0};
 831         static const WCHAR wDdeexec[] = {'d','d','e','e','x','e','c',0};
 832
 833         LPWSTR tmp;
 834         WCHAR param[256];
 835         LONG paramlen = sizeof(param);
 836
 837         param[0] = '\0';
 838
 839         /* Get the parameters needed by the application
 840            from the associated ddeexec key */
 841         tmp = strstrW(key, wCommand);
 842         assert(tmp);
 843         strcpyW(tmp, wDdeexec);
 844
 845         if (RegQueryValueW(HKEY_CLASSES_ROOT, key, param, &paramlen) == ERROR_SUCCESS)
 846         {
 847             TRACE("Got ddeexec %s => %s\n", debugstr_w(key), debugstr_w(param));
 848             retval = dde_connect(key, cmd, param, lpFile, env, szCommandline, psei->lpIDList, execfunc, psei, psei_out);
 849         }
 850         else
 851         {
 852             /* Is there a replace() function anywhere? */
 853             cmdlen /= sizeof(WCHAR);
 854             cmd[cmdlen] = '\0';
 855             SHELL_ArgifyW(param, sizeof(param)/sizeof(WCHAR), cmd, lpFile, psei->lpIDList, szCommandline);
 856             retval = execfunc(param, env, FALSE, psei, psei_out);
 857         }
 858     }
 859     else TRACE("ooch\n");
 860
 861     return retval;
 862 }
 863
 864 /*************************************************************************
 865  * FindExecutableA                      [SHELL32.@]
 866  */
 867 HINSTANCE WINAPI FindExecutableA(LPCSTR lpFile, LPCSTR lpDirectory, LPSTR lpResult)
 868 {
 869     HINSTANCE retval;
 870     WCHAR *wFile = NULL, *wDirectory = NULL;
 871     WCHAR wResult[MAX_PATH];
 872
 873     if (lpFile) __SHCloneStrAtoW(&wFile, lpFile);
 874     if (lpDirectory) __SHCloneStrAtoW(&wDirectory, lpDirectory);
 875
 876     retval = FindExecutableW(wFile, wDirectory, wResult);
 877     WideCharToMultiByte(CP_ACP, 0, wResult, -1, lpResult, MAX_PATH, NULL, NULL);
 878     if (wFile) SHFree( wFile );
 879     if (wDirectory) SHFree( wDirectory );
 880
 881     TRACE("returning %s\n", lpResult);
 882     return (HINSTANCE)retval;
 883 }
 884
 885 /*************************************************************************
 886  * FindExecutableW                      [SHELL32.@]
 887  */
 888 HINSTANCE WINAPI FindExecutableW(LPCWSTR lpFile, LPCWSTR lpDirectory, LPWSTR lpResult)
 889 {
 890     UINT retval = 31;    /* default - 'No association was found' */
 891     WCHAR old_dir[1024];
 892
 893     TRACE("File %s, Dir %s\n",
 894           (lpFile != NULL ? debugstr_w(lpFile) : "-"), (lpDirectory != NULL ? debugstr_w(lpDirectory) : "-"));
 895
 896     lpResult[0] = '\0'; /* Start off with an empty return string */
 897
 898     /* trap NULL parameters on entry */
 899     if ((lpFile == NULL) || (lpResult == NULL))
 900     {
 901         /* FIXME - should throw a warning, perhaps! */
 902         return (HINSTANCE)2; /* File not found. Close enough, I guess. */
 903     }
 904
 905     if (lpDirectory)
 906     {
 907         GetCurrentDirectoryW(sizeof(old_dir)/sizeof(WCHAR), old_dir);
 908         SetCurrentDirectoryW(lpDirectory);
 909     }
 910
 911     retval = SHELL_FindExecutable(lpDirectory, lpFile, wszOpen, lpResult, MAX_PATH, NULL, NULL, NULL, NULL);
 912
 913     TRACE("returning %s\n", debugstr_w(lpResult));
 914     if (lpDirectory)
 915         SetCurrentDirectoryW(old_dir);
 916     return (HINSTANCE)retval;
 917 }
 918
 919 /*************************************************************************
 920  *      ShellExecuteExW32 [Internal]
 921  */
 922 BOOL WINAPI ShellExecuteExW32 (LPSHELLEXECUTEINFOW psei, SHELL_ExecuteW32 execfunc)
 923 {
 924     static const WCHAR wQuote[] = {'"',0};
 925     static const WCHAR wSpace[] = {' ',0};
 926     static const WCHAR wWww[] = {'w','w','w',0};
 927     static const WCHAR wFile[] = {'f','i','l','e',0};
 928     static const WCHAR wHttp[] = {'h','t','t','p',':','/','/',0};
 929     static const WCHAR wExtLnk[] = {'.','l','n','k',0};
 930     static const WCHAR wExplorer[] = {'e','x','p','l','o','r','e','r','.','e','x','e',0};
 931
 932     WCHAR wszApplicationName[MAX_PATH+2], wszParameters[1024], wfileName[MAX_PATH], wszDir[MAX_PATH];
 933     SHELLEXECUTEINFOW sei_tmp;  /* modifyable copy of SHELLEXECUTEINFO struct */
 934     void *env;
 935     WCHAR wszProtocol[256];
 936     LPCWSTR lpFile;
 937     UINT retval = 31;
 938     WCHAR buffer[1024];
 939     const WCHAR* ext;
 940
 941     memcpy(&sei_tmp, psei, sizeof(sei_tmp));
 942
 943     TRACE("mask=0x%08lx hwnd=%p verb=%s file=%s parm=%s dir=%s show=0x%08x class=%s\n",
 944             sei_tmp.fMask, sei_tmp.hwnd, debugstr_w(sei_tmp.lpVerb),
 945             debugstr_w(sei_tmp.lpFile), debugstr_w(sei_tmp.lpParameters),
 946             debugstr_w(sei_tmp.lpDirectory), sei_tmp.nShow,
 947             (sei_tmp.fMask & SEE_MASK_CLASSNAME) ? debugstr_w(sei_tmp.lpClass) : "not used");
 948
 949     psei->hProcess = NULL;
 950
 951     if (sei_tmp.lpFile)
 952         strcpyW(wszApplicationName, sei_tmp.lpFile);
 953     else
 954         *wszApplicationName = '\0';
 955
 956     if (sei_tmp.lpParameters)
 957         strcpyW(wszParameters, sei_tmp.lpParameters);
 958     else
 959         *wszParameters = '\0';
 960
 961     if (sei_tmp.lpDirectory)
 962         strcpyW(wszDir, sei_tmp.lpDirectory);
 963     else
 964         *wszDir = '\0';
 965
 966     sei_tmp.lpFile = wszApplicationName;
 967     sei_tmp.lpParameters = wszParameters;
 968     sei_tmp.lpDirectory = wszDir;
 969
 970     if (sei_tmp.fMask & (SEE_MASK_ICON | SEE_MASK_HOTKEY |
 971         SEE_MASK_CONNECTNETDRV | SEE_MASK_FLAG_DDEWAIT |
 972         SEE_MASK_DOENVSUBST | SEE_MASK_FLAG_NO_UI | SEE_MASK_UNICODE |
 973         SEE_MASK_NO_CONSOLE | SEE_MASK_ASYNCOK | SEE_MASK_HMONITOR ))
 974     {
 975         FIXME("flags ignored: 0x%08lx\n", sei_tmp.fMask);
 976     }
 977
 978     /* process the IDList */
 979     if (sei_tmp.fMask & SEE_MASK_INVOKEIDLIST) /* 0x0c: includes SEE_MASK_IDLIST */
 980     {
 981         IShellExecuteHookW* pSEH;
 982
 983         HRESULT hr = SHBindToParent(sei_tmp.lpIDList, &IID_IShellExecuteHookW, (LPVOID*)&pSEH, NULL);
 984
 985         if (SUCCEEDED(hr))
 986         {
 987             hr = IShellExecuteHookW_Execute(pSEH, psei);
 988
 989             IShellExecuteHookW_Release(pSEH);
 990
 991             if (hr == S_OK)
 992                 return TRUE;
 993         }
 994
 995         /* try to translate PIDL directly into the corresponding file system path */
 996         if (SUCCEEDED(SHELL_GetPathFromIDListW(sei_tmp.lpIDList, wszApplicationName/*sei_tmp.lpFile*/, sizeof(wszApplicationName)/sizeof(WCHAR))))
 997         {
 998             sei_tmp.lpIDList = NULL;
 999             sei_tmp.fMask &= ~SEE_MASK_INVOKEIDLIST;
1000         }
1001
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: wszParameters 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/*sei_tmp.lpParameters*/, 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(sei_tmp.lpParameters), debugstr_w(sei_tmp.lpFile));
1017
1018         buffer[0] = '\0';
1019
1020         if (!SHELL_ArgifyW(buffer, sizeof(buffer)/sizeof(WCHAR), sei_tmp.lpParameters, sei_tmp.lpFile, sei_tmp.lpIDList, NULL) && sei_tmp.lpFile[0])
1021         {
1022             strcatW(buffer, wExtLnk);
1023             strcatW(buffer, sei_tmp.lpFile);
1024         }
1025
1026         retval = execfunc(buffer, NULL, FALSE, &sei_tmp, psei);
1027         if (retval > 32)
1028             return TRUE;
1029         else
1030             return FALSE;
1031     }
1032
1033     /* Else, try to execute the filename */
1034     TRACE("execute:'%s','%s'\n", debugstr_w(sei_tmp.lpFile), debugstr_w(sei_tmp.lpParameters));
1035
1036
1037     /* resolve shell shortcuts */
1038     ext = PathFindExtensionW(sei_tmp.lpFile);
1039
1040     if (ext && !strcmpiW(ext, wExtLnk)) /* or check for: shell_attribs & SFGAO_LINK */
1041     {
1042         HRESULT hr = SHELL_ResolveShortCutW((LPWSTR)sei_tmp.lpFile, (LPWSTR)sei_tmp.lpParameters, (LPWSTR)sei_tmp.lpDirectory,
1043                                             sei_tmp.hwnd, sei_tmp.lpVerb?sei_tmp.lpVerb:wszEmpty, &sei_tmp.nShow, (LPITEMIDLIST*)&sei_tmp.lpIDList);
1044
1045         if (psei->lpIDList)
1046             psei->fMask |= SEE_MASK_IDLIST;
1047
1048         if (SUCCEEDED(hr))
1049         {
1050             /* repeat IDList processing if needed */
1051             if (sei_tmp.fMask & SEE_MASK_IDLIST)
1052             {
1053                 IShellExecuteHookW* pSEH;
1054
1055                 HRESULT hr = SHBindToParent(sei_tmp.lpIDList, &IID_IShellExecuteHookW, (LPVOID*)&pSEH, NULL);
1056
1057                 if (SUCCEEDED(hr))
1058                 {
1059                     hr = IShellExecuteHookW_Execute(pSEH, psei);
1060
1061                     IShellExecuteHookW_Release(pSEH);
1062
1063                     if (hr == S_OK)
1064                         return TRUE;
1065                 }
1066
1067                 TRACE("-- idlist=%p (%s)\n", debugstr_w(sei_tmp.lpIDList), debugstr_w(sei_tmp.lpFile));
1068             }
1069         }
1070     }
1071
1072
1073     /* Has the IDList not yet been translated? */
1074     if (sei_tmp.fMask & SEE_MASK_IDLIST)
1075     {
1076         /* last chance to translate IDList: now also allow CLSID paths */
1077         if (SUCCEEDED(SHELL_GetPathFromIDListForExecuteW(sei_tmp.lpIDList, buffer, sizeof(buffer)))) {
1078             if (buffer[0]==':' && buffer[1]==':') {
1079                 /* open shell folder for the specified class GUID */
1080                 strcpyW(wszParameters, buffer);
1081                 strcpyW(wszApplicationName, wExplorer);
1082
1083                 sei_tmp.fMask &= ~SEE_MASK_INVOKEIDLIST;
1084             } else if (HCR_GetExecuteCommandW(0, wszFolder, sei_tmp.lpVerb?sei_tmp.lpVerb:wszOpen, buffer, sizeof(buffer))) {
1085                 SHELL_ArgifyW(wszApplicationName, sizeof(wszApplicationName)/sizeof(WCHAR), buffer, NULL, sei_tmp.lpIDList, NULL);
1086
1087                 sei_tmp.fMask &= ~SEE_MASK_INVOKEIDLIST;
1088             }
1089         }
1090     }
1091
1092
1093     /* expand environment strings */
1094
1095     if (ExpandEnvironmentStringsW(sei_tmp.lpFile, buffer, MAX_PATH))
1096         lstrcpyW(wszApplicationName/*sei_tmp.lpFile*/, buffer);
1097
1098     if (*sei_tmp.lpParameters)
1099         if (ExpandEnvironmentStringsW(sei_tmp.lpParameters, buffer, MAX_PATH))
1100             lstrcpyW(wszParameters/*sei_tmp.lpParameters*/, buffer);
1101
1102     if (*sei_tmp.lpDirectory)
1103         if (ExpandEnvironmentStringsW(sei_tmp.lpDirectory, buffer, MAX_PATH))
1104             lstrcpyW(wszDir/*sei_tmp.lpDirectory*/, buffer);
1105
1106
1107     /* separate out command line arguments from executable file name */
1108     if (!*sei_tmp.lpParameters) {
1109         /* If the executable path is quoted, handle the rest of the command line as parameters. */
1110         if (sei_tmp.lpFile[0] == '"') {
1111             LPWSTR src = wszApplicationName/*sei_tmp.lpFile*/ + 1;
1112             LPWSTR dst = wfileName;
1113             LPWSTR end;
1114
1115             /* copy the unquoted executabe path to 'wfileName' */
1116             while(*src && *src!='"')
1117                 *dst++ = *src++;
1118
1119             *dst = '\0';
1120
1121             if (*src == '"') {
1122                 end = ++src;
1123
1124                 while(isspace(*src))
1125                     ++src;
1126             } else
1127                 end = src;
1128
1129             /* copy the parameter string to 'wszParameters' */
1130             strcpyW(wszParameters, src);
1131
1132             /* terminate previous command string after the quote character */
1133             *end = '\0';
1134         }
1135         else
1136         {
1137             /* If the executable name is not quoted, we have to use this search loop here,
1138                that in CreateProcess() is not sufficient because it does not handle shell links. */
1139             WCHAR buffer[MAX_PATH], xlpFile[MAX_PATH];
1140             LPWSTR space, s;
1141
1142             LPWSTR beg = wszApplicationName/*sei_tmp.lpFile*/;
1143             for(s=beg; (space=strchrW(s, ' ')); s=space+1) {
1144                 int idx = space-sei_tmp.lpFile;
1145                 strncpyW(buffer, sei_tmp.lpFile, idx);
1146                 buffer[idx] = '\0';
1147
1148                 /*FIXME This finds directory paths if the targeted file name contains spaces. */
1149                 if (SearchPathW(*sei_tmp.lpDirectory? sei_tmp.lpDirectory: NULL, buffer, wszExe, sizeof(xlpFile), xlpFile, NULL))
1150                 {
1151                     /* separate out command from parameter string */
1152                     LPCWSTR p = space + 1;
1153
1154                     while(isspaceW(*p))
1155                         ++p;
1156
1157                     strcpyW(wszParameters, p);
1158                     *space = '\0';
1159
1160                     break;
1161                 }
1162             }
1163
1164             strcpyW(wfileName, sei_tmp.lpFile);
1165         }
1166     } else
1167         strcpyW(wfileName, sei_tmp.lpFile);
1168
1169     lpFile = wfileName;
1170
1171     if (sei_tmp.lpParameters[0]) {
1172         strcatW(wszApplicationName/*sei_tmp.lpFile*/, wSpace);
1173         strcatW(wszApplicationName/*sei_tmp.lpFile*/, sei_tmp.lpParameters);
1174     }
1175
1176     retval = execfunc(sei_tmp.lpFile, NULL, FALSE, &sei_tmp, psei);
1177     if (retval > 32)
1178     {
1179         /* Now, that we have successfully launched a process, we can free the PIDL.
1180         It may have been used before for %I command line options. */
1181         if (sei_tmp.lpIDList!=psei->lpIDList && sei_tmp.lpIDList)
1182             SHFree(sei_tmp.lpIDList);
1183
1184         TRACE("execfunc: retval=%d psei->hInstApp=%p\n", retval, psei->hInstApp);
1185         return TRUE;
1186     }
1187
1188     /* Else, try to find the executable */
1189     buffer[0] = '\0';
1190     retval = SHELL_FindExecutable(*sei_tmp.lpDirectory? sei_tmp.lpDirectory: NULL, lpFile, sei_tmp.lpVerb, buffer, 1024, wszProtocol, &env, sei_tmp.lpIDList, sei_tmp.lpParameters);
1191
1192     if (retval > 32)  /* Found */
1193     {
1194         WCHAR wszQuotedCmd[MAX_PATH+2];
1195         /* Must quote to handle case where 'buffer' contains spaces,
1196          * else security hole if malicious user creates executable file "C:\\Program"
1197          *
1198          * FIXME: If we don't have set explicitly command line arguments, we must first
1199          * split executable path from optional command line arguments. Otherwise we would quote
1200          * the complete string with executable path _and_ arguments, which is not what we want.
1201          */
1202         strcpyW(wszQuotedCmd, wQuote);
1203         strcatW(wszQuotedCmd, buffer);
1204         strcatW(wszQuotedCmd, wQuote);
1205
1206         if (*sei_tmp.lpParameters) {
1207             strcatW(wszQuotedCmd, wSpace);
1208             strcatW(wszQuotedCmd, sei_tmp.lpParameters);
1209         }
1210
1211         TRACE("%s/%s => %s/%s\n", debugstr_w(wszApplicationName), debugstr_w(buffer), debugstr_w(wszQuotedCmd), debugstr_w(wszProtocol));
1212
1213         if (*wszProtocol)
1214             retval = execute_from_key(wszProtocol, lpFile, env, sei_tmp.lpParameters, execfunc, &sei_tmp, psei);
1215         else
1216             retval = execfunc(wszQuotedCmd, env, FALSE, &sei_tmp, psei);
1217
1218         if (env) HeapFree( GetProcessHeap(), 0, env );
1219     }
1220     else if (PathIsURLW((LPWSTR)lpFile))    /* File not found, check for URL */
1221     {
1222         static const WCHAR wszShell[] = {'\\','s','h','e','l','l','\\',0};
1223         static const WCHAR wCommand[] = {'\\','c','o','m','m','a','n','d',0};
1224         LPWSTR lpstrRes;
1225         INT iSize;
1226
1227         lpstrRes = strchrW(lpFile, ':');
1228         if (lpstrRes)
1229             iSize = lpstrRes - lpFile;
1230         else
1231             iSize = strlenW(lpFile);
1232
1233         TRACE("Got URL: %s\n", debugstr_w(lpFile));
1234         /* Looking for ...protocol\shell\<verb>\command */
1235         strncpyW(wszProtocol, lpFile, iSize);
1236         wszProtocol[iSize] = '\0';
1237         strcatW(wszProtocol, wszShell);
1238         strcatW(wszProtocol, sei_tmp.lpVerb? sei_tmp.lpVerb: wszOpen);
1239         strcatW(wszProtocol, wCommand);
1240
1241         /* Remove File Protocol from lpFile */
1242         /* In the case file://path/file     */
1243         if (!strncmpiW(lpFile, wFile, iSize))
1244         {
1245             lpFile += iSize;
1246             while (*lpFile == ':') lpFile++;
1247         }
1248
1249         retval = execute_from_key(wszProtocol, lpFile, NULL, sei_tmp.lpParameters, execfunc, &sei_tmp, psei);
1250     }
1251     /* Check if file specified is in the form www.??????.*** */
1252     else if (!strncmpiW(lpFile, wWww, 3))
1253     {
1254         /* if so, append lpFile http:// and call ShellExecute */
1255         WCHAR lpstrTmpFile[256];
1256         strcpyW(lpstrTmpFile, wHttp);
1257         strcatW(lpstrTmpFile, lpFile);
1258         retval = (UINT)ShellExecuteW(sei_tmp.hwnd, sei_tmp.lpVerb, lpstrTmpFile, NULL, NULL, 0);
1259     }
1260
1261     /* Now we can free the PIDL. It may have been used before for %I command line options. */
1262     if (sei_tmp.lpIDList!=psei->lpIDList && sei_tmp.lpIDList)
1263         SHFree(sei_tmp.lpIDList);
1264
1265     TRACE("retval %u\n", retval);
1266
1267     if (retval <= 32)
1268     {
1269         psei->hInstApp = (HINSTANCE)retval;
1270         return FALSE;
1271     }
1272
1273     psei->hInstApp = (HINSTANCE)33;
1274     return TRUE;
1275 }
1276
1277 /*************************************************************************
1278  * ShellExecuteA                        [SHELL32.290]
1279  */
1280 HINSTANCE WINAPI ShellExecuteA(HWND hWnd, LPCSTR lpOperation, LPCSTR lpFile,
1281                                LPCSTR lpParameters, LPCSTR lpDirectory, INT iShowCmd)
1282 {
1283     SHELLEXECUTEINFOA sei;
1284     HANDLE hProcess = 0;
1285
1286     TRACE("\n");
1287     sei.cbSize = sizeof(sei);
1288     sei.fMask = 0;
1289     sei.hwnd = hWnd;
1290     sei.lpVerb = lpOperation;
1291     sei.lpFile = lpFile;
1292     sei.lpParameters = lpParameters;
1293     sei.lpDirectory = lpDirectory;
1294     sei.nShow = iShowCmd;
1295     sei.lpIDList = 0;
1296     sei.lpClass = 0;
1297     sei.hkeyClass = 0;
1298     sei.dwHotKey = 0;
1299     sei.hProcess = hProcess;
1300
1301     ShellExecuteExA (&sei);
1302     return sei.hInstApp;
1303 }
1304
1305 /*************************************************************************
1306  * ShellExecuteEx                               [SHELL32.291]
1307  *
1308  */
1309 BOOL WINAPI ShellExecuteExAW (LPVOID sei)
1310 {
1311     if (SHELL_OsIsUnicode())
1312         return ShellExecuteExW32 (sei, SHELL_ExecuteW);
1313     return ShellExecuteExA (sei);
1314 }
1315
1316 /*************************************************************************
1317  * ShellExecuteExA                              [SHELL32.292]
1318  *
1319  */
1320 BOOL WINAPI ShellExecuteExA (LPSHELLEXECUTEINFOA sei)
1321 {
1322     SHELLEXECUTEINFOW seiW;
1323     BOOL ret;
1324     WCHAR *wVerb = NULL, *wFile = NULL, *wParameters = NULL, *wDirectory = NULL, *wClass = NULL;
1325
1326     TRACE("%p\n", sei);
1327
1328     memcpy(&seiW, sei, sizeof(SHELLEXECUTEINFOW));
1329
1330     if (sei->lpVerb)
1331         seiW.lpVerb = __SHCloneStrAtoW(&wVerb, sei->lpVerb);
1332
1333     if (sei->lpFile)
1334         seiW.lpFile = __SHCloneStrAtoW(&wFile, sei->lpFile);
1335
1336     if (sei->lpParameters)
1337         seiW.lpParameters = __SHCloneStrAtoW(&wParameters, sei->lpParameters);
1338
1339     if (sei->lpDirectory)
1340         seiW.lpDirectory = __SHCloneStrAtoW(&wDirectory, sei->lpDirectory);
1341
1342     if ((sei->fMask & SEE_MASK_CLASSNAME) && sei->lpClass)
1343         seiW.lpClass = __SHCloneStrAtoW(&wClass, sei->lpClass);
1344     else
1345         seiW.lpClass = NULL;
1346
1347     ret = ShellExecuteExW32 (&seiW, SHELL_ExecuteW);
1348
1349     sei->hInstApp = seiW.hInstApp;
1350
1351     if (wVerb) SHFree(wVerb);
1352     if (wFile) SHFree(wFile);
1353     if (wParameters) SHFree(wParameters);
1354     if (wDirectory) SHFree(wDirectory);
1355     if (wClass) SHFree(wClass);
1356
1357     return ret;
1358 }
1359
1360 /*************************************************************************
1361  * ShellExecuteExW                              [SHELL32.293]
1362  *
1363  */
1364 BOOL WINAPI ShellExecuteExW (LPSHELLEXECUTEINFOW sei)
1365 {
1366     return  ShellExecuteExW32 (sei, SHELL_ExecuteW);
1367 }
1368
1369 /*************************************************************************
1370  * ShellExecuteW                        [SHELL32.294]
1371  * from shellapi.h
1372  * WINSHELLAPI HINSTANCE APIENTRY ShellExecuteW(HWND hwnd, LPCWSTR lpOperation,
1373  * LPCWSTR lpFile, LPCWSTR lpParameters, LPCWSTR lpDirectory, INT nShowCmd);
1374  */
1375 HINSTANCE WINAPI ShellExecuteW(HWND hwnd, LPCWSTR lpOperation, LPCWSTR lpFile,
1376                                LPCWSTR lpParameters, LPCWSTR lpDirectory, INT nShowCmd)
1377 {
1378     SHELLEXECUTEINFOW sei;
1379
1380     TRACE("\n");
1381     sei.cbSize = sizeof(sei);
1382     sei.fMask = 0;
1383     sei.hwnd = hwnd;
1384     sei.lpVerb = lpOperation;
1385     sei.lpFile = lpFile;
1386     sei.lpParameters = lpParameters;
1387     sei.lpDirectory = lpDirectory;
1388     sei.nShow = nShowCmd;
1389     sei.lpIDList = 0;
1390     sei.lpClass = 0;
1391     sei.hkeyClass = 0;
1392     sei.dwHotKey = 0;
1393     sei.hProcess = 0;
1394
1395     ShellExecuteExW32 (&sei, SHELL_ExecuteW);
1396     return sei.hInstApp;
1397 }