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 #define COBJMACROS
  36
  37 #include "windef.h"
  38 #include "winbase.h"
  39 #include "winerror.h"
  40 #include "winreg.h"
  41 #include "wownt32.h"
  42 #include "shellapi.h"
  43 #include "wingdi.h"
  44 #include "winuser.h"
  45 #include "shlobj.h"
  46 #include "shlwapi.h"
  47 #include "ddeml.h"
  48
  49 #include "wine/winbase16.h"
  50 #include "shell32_main.h"
  51 #include "undocshell.h"
  52 #include "pidl.h"
  53
  54 #include "wine/debug.h"
  55
  56 WINE_DEFAULT_DEBUG_CHANNEL(exec);
  57
  58 static const WCHAR wszOpen[] = {'o','p','e','n',0};
  59 static const WCHAR wszExe[] = {'.','e','x','e',0};
  60 static const WCHAR wszILPtr[] = {':','%','p',0};
  61 static const WCHAR wszShell[] = {'\\','s','h','e','l','l','\\',0};
  62 static const WCHAR wszFolder[] = {'F','o','l','d','e','r',0};
  63 static const WCHAR wszEmpty[] = {0};
  64
  65
  66 /***********************************************************************
  67  *      SHELL_ArgifyW [Internal]
  68  *
  69  * this function is supposed to expand the escape sequences found in the registry
  70  * some diving reported that the following were used:
  71  * + %1, %2...  seem to report to parameter of index N in ShellExecute pmts
  72  *      %1 file
  73  *      %2 printer
  74  *      %3 driver
  75  *      %4 port
  76  * %I address of a global item ID (explorer switch /idlist)
  77  * %L seems to be %1 as long filename followed by the 8+3 variation
  78  * %S ???
  79  * %* all following parameters (see batfile)
  80  *
  81  * FIXME: use 'len'
  82  * FIXME: Careful of going over string boundaries. No checking is done to 'res'...
  83  */
  84 static BOOL SHELL_ArgifyW(WCHAR* out, int len, const WCHAR* fmt, const WCHAR* lpFile, LPITEMIDLIST pidl, LPCWSTR args)
  85 {
  86     WCHAR   xlpFile[1024];
  87     BOOL    done = FALSE;
  88     PWSTR   res = out;
  89     PCWSTR  cmd;
  90     LPVOID  pv;
  91
  92     TRACE("%p, %d, %s, %s, %p, %p\n", out, len, debugstr_w(fmt),
  93           debugstr_w(lpFile), pidl, args);
  94
  95     while (*fmt)
  96     {
  97         if (*fmt == '%')
  98         {
  99             switch (*++fmt)
 100             {
 101             case '\0':
 102             case '%':
 103                 *res++ = '%';
 104                 break;
 105
 106             case '2':
 107             case '3':
 108             case '4':
 109             case '5':
 110             case '6':
 111             case '7':
 112             case '8':
 113             case '9':
 114             case '0':
 115             case '*':
 116                 if (args)
 117                 {
 118                     if (*fmt == '*')
 119                     {
 120                         *res++ = '"';
 121                         while(*args)
 122                             *res++ = *args++;
 123                         *res++ = '"';
 124                     }
 125                     else
 126                     {
 127                         while(*args && !isspace(*args))
 128                             *res++ = *args++;
 129
 130                         while(isspace(*args))
 131                             ++args;
 132                     }
 133                     break;
 134                 }
 135                 /* else fall through */
 136             case '1':
 137                 if (!done || (*fmt == '1'))
 138                 {
 139                     /*FIXME Is the call to SearchPathW() really needed? We already have separated out the parameter string in args. */
 140                     if (SearchPathW(NULL, lpFile, wszExe, sizeof(xlpFile)/sizeof(WCHAR), xlpFile, NULL))
 141                         cmd = xlpFile;
 142                     else
 143                         cmd = lpFile;
 144
 145                     /* Add double quotation marks unless we already have them
 146                        (e.g.: "file://%1" %* for exefile) or unless the arg is already
 147                        enclosed in double quotation marks */
 148                     if ((res == out || *(fmt + 1) != '"') && *cmd != '"')
 149                     {
 150                         *res++ = '"';
 151                         strcpyW(res, cmd);
 152                         res += strlenW(cmd);
 153                         *res++ = '"';
 154                     }
 155                     else
 156                     {
 157                         strcpyW(res, cmd);
 158                         res += strlenW(cmd);
 159                     }
 160                 }
 161                 break;
 162
 163             /*
 164              * IE uses this a lot for activating things such as windows media
 165              * player. This is not verified to be fully correct but it appears
 166              * to work just fine.
 167              */
 168             case 'l':
 169             case 'L':
 170                 if (lpFile) {
 171                     strcpyW(res, lpFile);
 172                     res += strlenW(lpFile);
 173                 }
 174                 break;
 175
 176             case 'i':
 177             case 'I':
 178                 if (pidl) {
 179                     HGLOBAL hmem = SHAllocShared(pidl, ILGetSize(pidl), 0);
 180                     pv = SHLockShared(hmem, 0);
 181                     res += sprintfW(res, wszILPtr, pv);
 182                     SHUnlockShared(pv);
 183                 }
 184                 break;
 185
 186             default:
 187                 /*
 188                  * Check if this is a env-variable here...
 189                  */
 190
 191                 /* Make sure that we have at least one more %.*/
 192                 if (strchrW(fmt, '%'))
 193                 {
 194                     WCHAR   tmpBuffer[1024];
 195                     PWSTR   tmpB = tmpBuffer;
 196                     WCHAR   tmpEnvBuff[MAX_PATH];
 197                     DWORD   envRet;
 198
 199                     while (*fmt != '%')
 200                         *tmpB++ = *fmt++;
 201                     *tmpB++ = 0;
 202
 203                     TRACE("Checking %s to be a env-var\n", debugstr_w(tmpBuffer));
 204
 205                     envRet = GetEnvironmentVariableW(tmpBuffer, tmpEnvBuff, MAX_PATH);
 206                     if (envRet == 0 || envRet > MAX_PATH)
 207                         strcpyW( res, tmpBuffer );
 208                     else
 209                         strcpyW( res, tmpEnvBuff );
 210                     res += strlenW(res);
 211                 }
 212                 done = TRUE;
 213                 break;
 214             }
 215             /* Don't skip past terminator (catch a single '%' at the end) */
 216             if (*fmt != '\0')
 217             {
 218                 fmt++;
 219             }
 220         }
 221         else
 222             *res++ = *fmt++;
 223     }
 224
 225     *res = '\0';
 226
 227     return done;
 228 }
 229
 230 HRESULT SHELL_GetPathFromIDListForExecuteA(LPCITEMIDLIST pidl, LPSTR pszPath, UINT uOutSize)
 231 {
 232     STRRET strret;
 233     IShellFolder* desktop;
 234
 235     HRESULT hr = SHGetDesktopFolder(&desktop);
 236
 237     if (SUCCEEDED(hr)) {
 238         hr = IShellFolder_GetDisplayNameOf(desktop, pidl, SHGDN_FORPARSING, &strret);
 239
 240         if (SUCCEEDED(hr))
 241             StrRetToStrNA(pszPath, uOutSize, &strret, pidl);
 242
 243         IShellFolder_Release(desktop);
 244     }
 245
 246     return hr;
 247 }
 248
 249 HRESULT SHELL_GetPathFromIDListForExecuteW(LPCITEMIDLIST pidl, LPWSTR pszPath, UINT uOutSize)
 250 {
 251     STRRET strret;
 252     IShellFolder* desktop;
 253
 254     HRESULT hr = SHGetDesktopFolder(&desktop);
 255
 256     if (SUCCEEDED(hr)) {
 257         hr = IShellFolder_GetDisplayNameOf(desktop, pidl, SHGDN_FORPARSING, &strret);
 258
 259         if (SUCCEEDED(hr))
 260             StrRetToStrNW(pszPath, uOutSize, &strret, pidl);
 261
 262         IShellFolder_Release(desktop);
 263     }
 264
 265     return hr;
 266 }
 267
 268 /*************************************************************************
 269  *      SHELL_ResolveShortCutW [Internal]
 270  *      read shortcut file at 'wcmd'
 271  */
 272 static HRESULT SHELL_ResolveShortCutW(LPWSTR wcmd, LPWSTR wargs, LPWSTR wdir, HWND hwnd, LPCWSTR lpVerb, int* pshowcmd, LPITEMIDLIST* ppidl)
 273 {
 274     IShellFolder* psf;
 275
 276     HRESULT hr = SHGetDesktopFolder(&psf);
 277
 278     *ppidl = NULL;
 279
 280     if (SUCCEEDED(hr)) {
 281         LPITEMIDLIST pidl;
 282         ULONG l;
 283
 284         hr = IShellFolder_ParseDisplayName(psf, 0, 0, wcmd, &l, &pidl, 0);
 285
 286         if (SUCCEEDED(hr)) {
 287             IShellLinkW* psl;
 288
 289             hr = IShellFolder_GetUIObjectOf(psf, NULL, 1, (LPCITEMIDLIST*)&pidl, &IID_IShellLinkW, NULL, (LPVOID*)&psl);
 290
 291             if (SUCCEEDED(hr)) {
 292                 hr = IShellLinkW_Resolve(psl, hwnd, 0);
 293
 294                 if (SUCCEEDED(hr)) {
 295                     hr = IShellLinkW_GetPath(psl, wcmd, MAX_PATH, NULL, SLGP_UNCPRIORITY);
 296
 297                     if (SUCCEEDED(hr)) {
 298                         if (!*wcmd) {
 299                             /* We could not translate the PIDL in the shell link into a valid file system path - so return the PIDL instead. */
 300                             hr = IShellLinkW_GetIDList(psl, ppidl);
 301
 302                             if (SUCCEEDED(hr) && *ppidl) {
 303                                 /* We got a PIDL instead of a file system path - try to translate it. */
 304                                 if (SUCCEEDED(SHELL_GetPathFromIDListW(*ppidl, wcmd, MAX_PATH))) {
 305                                     SHFree(*ppidl);
 306                                     *ppidl = NULL;
 307                                 }
 308                             }
 309                         }
 310
 311                         if (SUCCEEDED(hr)) {
 312                             /* get command line arguments, working directory and display mode if available */
 313                             IShellLinkW_GetWorkingDirectory(psl, wdir, MAX_PATH);
 314                             IShellLinkW_GetArguments(psl, wargs, MAX_PATH);
 315                             IShellLinkW_GetShowCmd(psl, pshowcmd);
 316                         }
 317                     }
 318                 }
 319
 320                 IShellLinkW_Release(psl);
 321             }
 322
 323             SHFree(pidl);
 324         }
 325
 326         IShellFolder_Release(psf);
 327     }
 328
 329     return hr;
 330 }
 331
 332 /*************************************************************************
 333  *      SHELL_ExecuteW [Internal]
 334  *
 335  */
 336 static UINT SHELL_ExecuteW(const WCHAR *lpCmd, WCHAR *env, BOOL shWait,
 337                             LPSHELLEXECUTEINFOW psei, LPSHELLEXECUTEINFOW psei_out)
 338 {
 339     STARTUPINFOW  startup;
 340     PROCESS_INFORMATION info;
 341     UINT retval = 31;
 342     UINT gcdret = 0;
 343     WCHAR curdir[MAX_PATH];
 344
 345     TRACE("Execute %s from directory %s\n", debugstr_w(lpCmd), debugstr_w(psei->lpDirectory));
 346     /* ShellExecute specifies the command from psei->lpDirectory
 347      * if present. Not from the current dir as CreateProcess does */
 348     if( psei->lpDirectory && psei->lpDirectory[0] )
 349         if( ( gcdret = GetCurrentDirectoryW( MAX_PATH, curdir)))
 350             if( !SetCurrentDirectoryW( psei->lpDirectory))
 351                 ERR("cannot set directory %s\n", debugstr_w(psei->lpDirectory));
 352     ZeroMemory(&startup,sizeof(STARTUPINFOW));
 353     startup.cb = sizeof(STARTUPINFOW);
 354     startup.dwFlags = STARTF_USESHOWWINDOW;
 355     startup.wShowWindow = psei->nShow;
 356     if (CreateProcessW(NULL, (LPWSTR)lpCmd, NULL, NULL, FALSE, CREATE_UNICODE_ENVIRONMENT,
 357                        env, *psei->lpDirectory? psei->lpDirectory: NULL, &startup, &info))
 358     {
 359         /* Give 30 seconds to the app to come up, if desired. Probably only needed
 360            when starting app immediately before making a DDE connection. */
 361         if (shWait)
 362             if (WaitForInputIdle( info.hProcess, 30000 ) == WAIT_FAILED)
 363                 WARN("WaitForInputIdle failed: Error %ld\n", GetLastError() );
 364         retval = 33;
 365         if (psei->fMask & SEE_MASK_NOCLOSEPROCESS)
 366             psei_out->hProcess = info.hProcess;
 367         else
 368             CloseHandle( info.hProcess );
 369         CloseHandle( info.hThread );
 370     }
 371     else if ((retval = GetLastError()) >= 32)
 372     {
 373         FIXME("Strange error set by CreateProcess: %d\n", retval);
 374         retval = ERROR_BAD_FORMAT;
 375     }
 376
 377     TRACE("returning %u\n", retval);
 378
 379     psei_out->hInstApp = (HINSTANCE)retval;
 380     if( gcdret )
 381         if( !SetCurrentDirectoryW( curdir))
 382             ERR("cannot return to directory %s\n", debugstr_w(curdir));
 383
 384     return retval;
 385 }
 386
 387
 388 /***********************************************************************
 389  *           SHELL_BuildEnvW    [Internal]
 390  *
 391  * Build the environment for the new process, adding the specified
 392  * path to the PATH variable. Returned pointer must be freed by caller.
 393  */
 394 static void *SHELL_BuildEnvW( const WCHAR *path )
 395 {
 396     static const WCHAR wPath[] = {'P','A','T','H','=',0};
 397     WCHAR *strings, *new_env;
 398     WCHAR *p, *p2;
 399     int total = strlenW(path) + 1;
 400     BOOL got_path = FALSE;
 401
 402     if (!(strings = GetEnvironmentStringsW())) return NULL;
 403     p = strings;
 404     while (*p)
 405     {
 406         int len = strlenW(p) + 1;
 407         if (!strncmpiW( p, wPath, 5 )) got_path = TRUE;
 408         total += len;
 409         p += len;
 410     }
 411     if (!got_path) total += 5;  /* we need to create PATH */
 412     total++;  /* terminating null */
 413
 414     if (!(new_env = HeapAlloc( GetProcessHeap(), 0, total * sizeof(WCHAR) )))
 415     {
 416         FreeEnvironmentStringsW( strings );
 417         return NULL;
 418     }
 419     p = strings;
 420     p2 = new_env;
 421     while (*p)
 422     {
 423         int len = strlenW(p) + 1;
 424         memcpy( p2, p, len * sizeof(WCHAR) );
 425         if (!strncmpiW( p, wPath, 5 ))
 426         {
 427             p2[len - 1] = ';';
 428             strcpyW( p2 + len, path );
 429             p2 += strlenW(path) + 1;
 430         }
 431         p += len;
 432         p2 += len;
 433     }
 434     if (!got_path)
 435     {
 436         strcpyW( p2, wPath );
 437         strcatW( p2, path );
 438         p2 += strlenW(p2) + 1;
 439     }
 440     *p2 = 0;
 441     FreeEnvironmentStringsW( strings );
 442     return new_env;
 443 }
 444
 445
 446 /***********************************************************************
 447  *           SHELL_TryAppPathW  [Internal]
 448  *
 449  * Helper function for SHELL_FindExecutable
 450  * @param lpResult - pointer to a buffer of size MAX_PATH
 451  * On entry: szName is a filename (probably without path separators).
 452  * On exit: if szName found in "App Path", place full path in lpResult, and return true
 453  */
 454 static BOOL SHELL_TryAppPathW( LPCWSTR szName, LPWSTR lpResult, WCHAR **env)
 455 {
 456     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',
 457         '\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\','A','p','p',' ','P','a','t','h','s','\\',0};
 458     static const WCHAR wPath[] = {'P','a','t','h',0};
 459     HKEY hkApp = 0;
 460     WCHAR buffer[1024];
 461     LONG len;
 462     LONG res;
 463     BOOL found = FALSE;
 464
 465     if (env) *env = NULL;
 466     strcpyW(buffer, wszKeyAppPaths);
 467     strcatW(buffer, szName);
 468     res = RegOpenKeyExW(HKEY_LOCAL_MACHINE, buffer, 0, KEY_READ, &hkApp);
 469     if (res) goto end;
 470
 471     len = MAX_PATH*sizeof(WCHAR);
 472     res = RegQueryValueW(hkApp, NULL, lpResult, &len);
 473     if (res) goto end;
 474     found = TRUE;
 475
 476     if (env)
 477     {
 478         DWORD count = sizeof(buffer);
 479         if (!RegQueryValueExW(hkApp, wPath, NULL, NULL, (LPBYTE)buffer, &count) && buffer[0])
 480             *env = SHELL_BuildEnvW( buffer );
 481     }
 482
 483 end:
 484     if (hkApp) RegCloseKey(hkApp);
 485     return found;
 486 }
 487
 488 static UINT SHELL_FindExecutableByOperation(LPCWSTR lpPath, LPCWSTR lpFile, LPCWSTR lpOperation, LPWSTR key, LPWSTR filetype, LPWSTR command, LONG commandlen)
 489 {
 490     static const WCHAR wCommand[] = {'\\','c','o','m','m','a','n','d',0};
 491
 492     /* Looking for ...buffer\shell\<verb>\command */
 493     strcatW(filetype, wszShell);
 494     strcatW(filetype, lpOperation);
 495     strcatW(filetype, wCommand);
 496
 497     if (RegQueryValueW(HKEY_CLASSES_ROOT, filetype, command,
 498                        &commandlen) == ERROR_SUCCESS)
 499     {
 500         commandlen /= sizeof(WCHAR);
 501         if (key) strcpyW(key, filetype);
 502 #if 0
 503         LPWSTR tmp;
 504         WCHAR param[256];
 505         LONG paramlen = sizeof(param);
 506         static const WCHAR wSpace[] = {' ',0};
 507
 508         /* FIXME: it seems all Windows version don't behave the same here.
 509          * the doc states that this ddeexec information can be found after
 510          * the exec names.
 511          * on Win98, it doesn't appear, but I think it does on Win2k
 512          */
 513         /* Get the parameters needed by the application
 514            from the associated ddeexec key */
 515         tmp = strstrW(filetype, wCommand);
 516         tmp[0] = '\0';
 517         strcatW(filetype, wDdeexec);
 518         if (RegQueryValueW(HKEY_CLASSES_ROOT, filetype, param,
 519                                      &paramlen) == ERROR_SUCCESS)
 520         {
 521             paramlen /= sizeof(WCHAR);
 522             strcatW(command, wSpace);
 523             strcatW(command, param);
 524             commandlen += paramlen;
 525         }
 526 #endif
 527
 528         command[commandlen] = '\0';
 529
 530         return 33; /* FIXME see SHELL_FindExecutable() */
 531     }
 532
 533     return 31;  /* default - 'No association was found' */
 534 }
 535
 536 /*************************************************************************
 537  *      SHELL_FindExecutable [Internal]
 538  *
 539  * Utility for code sharing between FindExecutable and ShellExecute
 540  * in:
 541  *      lpFile the name of a file
 542  *      lpOperation the operation on it (open)
 543  * out:
 544  *      lpResult a buffer, big enough :-(, to store the command to do the
 545  *              operation on the file
 546  *      key a buffer, big enough, to get the key name to do actually the
 547  *              command (it'll be used afterwards for more information
 548  *              on the operation)
 549  */
 550 UINT SHELL_FindExecutable(LPCWSTR lpPath, LPCWSTR lpFile, LPCWSTR lpOperation,
 551                                  LPWSTR lpResult, int resultLen, LPWSTR key, WCHAR **env, LPITEMIDLIST pidl, LPCWSTR args)
 552 {
 553     static const WCHAR wWindows[] = {'w','i','n','d','o','w','s',0};
 554     static const WCHAR wPrograms[] = {'p','r','o','g','r','a','m','s',0};
 555     static const WCHAR wExtensions[] = {'e','x','e',' ','p','i','f',' ','b','a','t',' ','c','m','d',' ','c','o','m',0};
 556     WCHAR *extension = NULL; /* pointer to file extension */
 557     WCHAR filetype[256];     /* registry name for this filetype */
 558     LONG  filetypelen = sizeof(filetype); /* length of above */
 559     WCHAR command[1024];     /* command from registry */
 560     WCHAR wBuffer[256];      /* Used to GetProfileString */
 561     UINT  retval = 31;       /* default - 'No association was found' */
 562     WCHAR *tok;              /* token pointer */
 563     WCHAR xlpFile[256];      /* result of SearchPath */
 564     DWORD attribs;           /* file attributes */
 565
 566     TRACE("%s\n", (lpFile != NULL) ? debugstr_w(lpFile) : "-");
 567
 568     xlpFile[0] = '\0';
 569     lpResult[0] = '\0'; /* Start off with an empty return string */
 570     if (key) *key = '\0';
 571
 572     /* trap NULL parameters on entry */
 573     if ((lpFile == NULL) || (lpResult == NULL) || (lpOperation == NULL))
 574     {
 575         WARN("(lpFile=%s,lpResult=%s,lpOperation=%s): NULL parameter\n",
 576              debugstr_w(lpFile), debugstr_w(lpOperation), debugstr_w(lpResult));
 577         return 2; /* File not found. Close enough, I guess. */
 578     }
 579
 580     if (SHELL_TryAppPathW( lpFile, lpResult, env ))
 581     {
 582         TRACE("found %s via App Paths\n", debugstr_w(lpResult));
 583         return 33;
 584     }
 585
 586     if (SearchPathW(lpPath, lpFile, wszExe, sizeof(xlpFile)/sizeof(WCHAR), xlpFile, NULL))
 587     {
 588         TRACE("SearchPathW returned non-zero\n");
 589         lpFile = xlpFile;
 590         /* Hey, isn't this value ignored?  Why make this call?  Shouldn't we return here?  --dank*/
 591     }
 592
 593     attribs = GetFileAttributesW(lpFile);
 594     if (attribs!=INVALID_FILE_ATTRIBUTES && (attribs&FILE_ATTRIBUTE_DIRECTORY))
 595     {
 596        strcpyW(filetype, wszFolder);
 597        filetypelen = 6;    /* strlen("Folder") */
 598     }
 599     else
 600     {
 601         /* First thing we need is the file's extension */
 602         extension = strrchrW(xlpFile, '.'); /* Assume last "." is the one; */
 603         /* File->Run in progman uses */
 604         /* .\FILE.EXE :( */
 605         TRACE("xlpFile=%s,extension=%s\n", debugstr_w(xlpFile), debugstr_w(extension));
 606
 607         if (extension == NULL || extension[1]==0)
 608         {
 609             WARN("Returning 31 - No association\n");
 610             return 31; /* no association */
 611         }
 612
 613         /* Three places to check: */
 614         /* 1. win.ini, [windows], programs (NB no leading '.') */
 615         /* 2. Registry, HKEY_CLASS_ROOT\<filetype>\shell\open\command */
 616         /* 3. win.ini, [extensions], extension (NB no leading '.' */
 617         /* All I know of the order is that registry is checked before */
 618         /* extensions; however, it'd make sense to check the programs */
 619         /* section first, so that's what happens here. */
 620
 621         /* See if it's a program - if GetProfileString fails, we skip this
 622          * section. Actually, if GetProfileString fails, we've probably
 623          * got a lot more to worry about than running a program... */
 624         if (GetProfileStringW(wWindows, wPrograms, wExtensions, wBuffer, sizeof(wBuffer)/sizeof(WCHAR)) > 0)
 625         {
 626             CharLowerW(wBuffer);
 627             tok = wBuffer;
 628             while (*tok)
 629             {
 630                 WCHAR *p = tok;
 631                 while (*p && *p != ' ' && *p != '\t') p++;
 632                 if (*p)
 633                 {
 634                     *p++ = 0;
 635                     while (*p == ' ' || *p == '\t') p++;
 636                 }
 637
 638                 if (strcmpiW(tok, &extension[1]) == 0) /* have to skip the leading "." */
 639                 {
 640                     strcpyW(lpResult, xlpFile);
 641                     /* Need to perhaps check that the file has a path
 642                      * attached */
 643                     TRACE("found %s\n", debugstr_w(lpResult));
 644                     return 33;
 645
 646                     /* Greater than 32 to indicate success FIXME According to the
 647                      * docs, I should be returning a handle for the
 648                      * executable. Does this mean I'm supposed to open the
 649                      * executable file or something? More RTFM, I guess... */
 650                 }
 651                 tok = p;
 652             }
 653         }
 654
 655         /* Check registry */
 656         if (RegQueryValueW(HKEY_CLASSES_ROOT, extension, filetype,
 657                            &filetypelen) == ERROR_SUCCESS)
 658         {
 659             filetypelen /= sizeof(WCHAR);
 660             filetype[filetypelen] = '\0';
 661             TRACE("File type: %s\n", debugstr_w(filetype));
 662         }
 663     }
 664
 665     if (*filetype)
 666     {
 667         if (lpOperation)
 668         {
 669             /* pass the operation string to SHELL_FindExecutableByOperation() */
 670             filetype[filetypelen] = '\0';
 671             retval = SHELL_FindExecutableByOperation(lpPath, lpFile, lpOperation, key, filetype, command, sizeof(command));
 672         }
 673         else
 674         {
 675             WCHAR operation[MAX_PATH];
 676             HKEY hkey;
 677
 678             /* Looking for ...buffer\shell\<operation>\command */
 679             strcatW(filetype, wszShell);
 680
 681             /* enumerate the operation subkeys in the registry and search for one with an associated command */
 682             if (RegOpenKeyW(HKEY_CLASSES_ROOT, filetype, &hkey) == ERROR_SUCCESS)
 683             {
 684                 int idx = 0;
 685                 for(;; ++idx)
 686                 {
 687                     if (RegEnumKeyW(hkey, idx, operation, MAX_PATH) != ERROR_SUCCESS)
 688                         break;
 689
 690                     filetype[filetypelen] = '\0';
 691                     retval = SHELL_FindExecutableByOperation(lpPath, lpFile, operation, key, filetype, command, sizeof(command));
 692
 693                     if (retval > 32)
 694                         break;
 695             }
 696                 RegCloseKey(hkey);
 697             }
 698         }
 699
 700         if (retval > 32)
 701         {
 702             SHELL_ArgifyW(lpResult, resultLen, command, xlpFile, pidl, args);
 703
 704             /* Remove double quotation marks and command line arguments */
 705             if (*lpResult == '"')
 706             {
 707                 WCHAR *p = lpResult;
 708                 while (*(p + 1) != '"')
 709                 {
 710                     *p = *(p + 1);
 711                     p++;
 712                 }
 713                 *p = '\0';
 714             }
 715         }
 716     }
 717     else /* Check win.ini */
 718     {
 719         static const WCHAR wExtensions[] = {'e','x','t','e','n','s','i','o','n','s',0};
 720
 721         /* Toss the leading dot */
 722         extension++;
 723         if (GetProfileStringW(wExtensions, extension, wszEmpty, command, sizeof(command)/sizeof(WCHAR)) > 0)
 724         {
 725             if (strlenW(command) != 0)
 726             {
 727                 strcpyW(lpResult, command);
 728                 tok = strchrW(lpResult, '^'); /* should be ^.extension? */
 729                 if (tok != NULL)
 730                 {
 731                     tok[0] = '\0';
 732                     strcatW(lpResult, xlpFile); /* what if no dir in xlpFile? */
 733                     tok = strchrW(command, '^'); /* see above */
 734                     if ((tok != NULL) && (strlenW(tok)>5))
 735                     {
 736                         strcatW(lpResult, &tok[5]);
 737                     }
 738                 }
 739                 retval = 33; /* FIXME - see above */
 740             }
 741         }
 742     }
 743
 744     TRACE("returning %s\n", debugstr_w(lpResult));
 745     return retval;
 746 }
 747
 748 /******************************************************************
 749  *              dde_cb
 750  *
 751  * callback for the DDE connection. not really usefull
 752  */
 753 static HDDEDATA CALLBACK dde_cb(UINT uType, UINT uFmt, HCONV hConv,
 754                                 HSZ hsz1, HSZ hsz2, HDDEDATA hData,
 755                                 ULONG_PTR dwData1, ULONG_PTR dwData2)
 756 {
 757     TRACE("dde_cb: %04x, %04x, %p, %p, %p, %p, %08lx, %08lx\n",
 758            uType, uFmt, hConv, hsz1, hsz2, hData, dwData1, dwData2);
 759     return NULL;
 760 }
 761
 762 /******************************************************************
 763  *              dde_connect
 764  *
 765  * ShellExecute helper. Used to do an operation with a DDE connection
 766  *
 767  * Handles both the direct connection (try #1), and if it fails,
 768  * launching an application and trying (#2) to connect to it
 769  *
 770  */
 771 static unsigned dde_connect(WCHAR* key, WCHAR* start, WCHAR* ddeexec,
 772                             const WCHAR* lpFile, WCHAR *env,
 773                             LPCWSTR szCommandline, LPITEMIDLIST pidl, SHELL_ExecuteW32 execfunc,
 774                             LPSHELLEXECUTEINFOW psei, LPSHELLEXECUTEINFOW psei_out)
 775 {
 776     static const WCHAR wApplication[] = {'\\','a','p','p','l','i','c','a','t','i','o','n',0};
 777     static const WCHAR wTopic[] = {'\\','t','o','p','i','c',0};
 778     WCHAR *     endkey = key + strlenW(key);
 779     WCHAR       app[256], topic[256], ifexec[256], res[256];
 780     LONG        applen, topiclen, ifexeclen;
 781     WCHAR *     exec;
 782     DWORD       ddeInst = 0;
 783     DWORD       tid;
 784     HSZ         hszApp, hszTopic;
 785     HCONV       hConv;
 786     HDDEDATA    hDdeData;
 787     unsigned    ret = 31;
 788
 789     strcpyW(endkey, wApplication);
 790     applen = sizeof(app);
 791     if (RegQueryValueW(HKEY_CLASSES_ROOT, key, app, &applen) != ERROR_SUCCESS)
 792     {
 793         FIXME("default app name NIY %s\n", debugstr_w(key));
 794         return 2;
 795     }
 796
 797     strcpyW(endkey, wTopic);
 798     topiclen = sizeof(topic);
 799     if (RegQueryValueW(HKEY_CLASSES_ROOT, key, topic, &topiclen) != ERROR_SUCCESS)
 800     {
 801         static const WCHAR wSystem[] = {'S','y','s','t','e','m',0};
 802         strcpyW(topic, wSystem);
 803     }
 804
 805     if (DdeInitializeW(&ddeInst, dde_cb, APPCMD_CLIENTONLY, 0L) != DMLERR_NO_ERROR)
 806     {
 807         return 2;
 808     }
 809
 810     hszApp = DdeCreateStringHandleW(ddeInst, app, CP_WINUNICODE);
 811     hszTopic = DdeCreateStringHandleW(ddeInst, topic, CP_WINUNICODE);
 812
 813     hConv = DdeConnect(ddeInst, hszApp, hszTopic, NULL);
 814     exec = ddeexec;
 815     if (!hConv)
 816     {
 817         static const WCHAR wIfexec[] = {'\\','i','f','e','x','e','c',0};
 818         TRACE("Launching '%s'\n", debugstr_w(start));
 819         ret = execfunc(start, env, TRUE, psei, psei_out);
 820         if (ret < 32)
 821         {
 822             TRACE("Couldn't launch\n");
 823             goto error;
 824         }
 825         hConv = DdeConnect(ddeInst, hszApp, hszTopic, NULL);
 826         if (!hConv)
 827         {
 828             TRACE("Couldn't connect. ret=%d\n", ret);
 829             DdeUninitialize(ddeInst);
 830             SetLastError(ERROR_DDE_FAIL);
 831             return 30; /* whatever */
 832         }
 833         strcpyW(endkey, wIfexec);
 834         ifexeclen = sizeof(ifexec);
 835         if (RegQueryValueW(HKEY_CLASSES_ROOT, key, ifexec, &ifexeclen) == ERROR_SUCCESS)
 836         {
 837             exec = ifexec;
 838         }
 839     }
 840
 841     SHELL_ArgifyW(res, sizeof(res)/sizeof(WCHAR), exec, lpFile, pidl, szCommandline);
 842     TRACE("%s %s => %s\n", debugstr_w(exec), debugstr_w(lpFile), debugstr_w(res));
 843
 844     /* It's documented in the KB 330337 that IE has a bug and returns
 845      * error DMLERR_NOTPROCESSED on XTYP_EXECUTE request.
 846      */
 847     hDdeData = DdeClientTransaction((LPBYTE)res, (strlenW(res) + 1) * sizeof(WCHAR), hConv, 0L, 0,
 848                                      XTYP_EXECUTE, 10000, &tid);
 849     if (hDdeData)
 850         DdeFreeDataHandle(hDdeData);
 851     else
 852         WARN("DdeClientTransaction failed with error %04x\n", DdeGetLastError(ddeInst));
 853     ret = 33;
 854
 855     DdeDisconnect(hConv);
 856
 857  error:
 858     DdeUninitialize(ddeInst);
 859
 860     return ret;
 861 }
 862
 863 /*************************************************************************
 864  *      execute_from_key [Internal]
 865  */
 866 static UINT execute_from_key(LPWSTR key, LPCWSTR lpFile, WCHAR *env, LPCWSTR szCommandline,
 867                              SHELL_ExecuteW32 execfunc,
 868                              LPSHELLEXECUTEINFOW psei, LPSHELLEXECUTEINFOW psei_out)
 869 {
 870     WCHAR cmd[1024];
 871     LONG cmdlen = sizeof(cmd);
 872     UINT retval = 31;
 873
 874     cmd[0] = '\0';
 875
 876     /* Get the application for the registry */
 877     if (RegQueryValueW(HKEY_CLASSES_ROOT, key, cmd, &cmdlen) == ERROR_SUCCESS)
 878     {
 879         static const WCHAR wCommand[] = {'c','o','m','m','a','n','d',0};
 880         static const WCHAR wDdeexec[] = {'d','d','e','e','x','e','c',0};
 881         LPWSTR tmp;
 882         WCHAR param[256];
 883         LONG paramlen = sizeof(param);
 884
 885         param[0] = '\0';
 886
 887         /* Get the parameters needed by the application
 888            from the associated ddeexec key */
 889         tmp = strstrW(key, wCommand);
 890         assert(tmp);
 891         strcpyW(tmp, wDdeexec);
 892
 893         if (RegQueryValueW(HKEY_CLASSES_ROOT, key, param, &paramlen) == ERROR_SUCCESS)
 894         {
 895             TRACE("Got ddeexec %s => %s\n", debugstr_w(key), debugstr_w(param));
 896             retval = dde_connect(key, cmd, param, lpFile, env, szCommandline, psei->lpIDList, execfunc, psei, psei_out);
 897         }
 898         else
 899         {
 900             /* Is there a replace() function anywhere? */
 901             cmdlen /= sizeof(WCHAR);
 902             cmd[cmdlen] = '\0';
 903             SHELL_ArgifyW(param, sizeof(param)/sizeof(WCHAR), cmd, lpFile, psei->lpIDList, szCommandline);
 904             retval = execfunc(param, env, FALSE, psei, psei_out);
 905         }
 906     }
 907     else TRACE("ooch\n");
 908
 909     return retval;
 910 }
 911
 912 /*************************************************************************
 913  * FindExecutableA                      [SHELL32.@]
 914  */
 915 HINSTANCE WINAPI FindExecutableA(LPCSTR lpFile, LPCSTR lpDirectory, LPSTR lpResult)
 916 {
 917     HINSTANCE retval;
 918     WCHAR *wFile = NULL, *wDirectory = NULL;
 919     WCHAR wResult[MAX_PATH];
 920
 921     if (lpFile) __SHCloneStrAtoW(&wFile, lpFile);
 922     if (lpDirectory) __SHCloneStrAtoW(&wDirectory, lpDirectory);
 923
 924     retval = FindExecutableW(wFile, wDirectory, wResult);
 925     WideCharToMultiByte(CP_ACP, 0, wResult, -1, lpResult, MAX_PATH, NULL, NULL);
 926     if (wFile) SHFree( wFile );
 927     if (wDirectory) SHFree( wDirectory );
 928
 929     TRACE("returning %s\n", lpResult);
 930     return (HINSTANCE)retval;
 931 }
 932
 933 /*************************************************************************
 934  * FindExecutableW                      [SHELL32.@]
 935  */
 936 HINSTANCE WINAPI FindExecutableW(LPCWSTR lpFile, LPCWSTR lpDirectory, LPWSTR lpResult)
 937 {
 938     UINT retval = 31;    /* default - 'No association was found' */
 939     WCHAR old_dir[1024];
 940
 941     TRACE("File %s, Dir %s\n",
 942           (lpFile != NULL ? debugstr_w(lpFile) : "-"), (lpDirectory != NULL ? debugstr_w(lpDirectory) : "-"));
 943
 944     lpResult[0] = '\0'; /* Start off with an empty return string */
 945
 946     /* trap NULL parameters on entry */
 947     if ((lpFile == NULL) || (lpResult == NULL))
 948     {
 949         /* FIXME - should throw a warning, perhaps! */
 950         return (HINSTANCE)2; /* File not found. Close enough, I guess. */
 951     }
 952
 953     if (lpDirectory)
 954     {
 955         GetCurrentDirectoryW(sizeof(old_dir)/sizeof(WCHAR), old_dir);
 956         SetCurrentDirectoryW(lpDirectory);
 957     }
 958
 959     retval = SHELL_FindExecutable(lpDirectory, lpFile, wszOpen, lpResult, MAX_PATH, NULL, NULL, NULL, NULL);
 960
 961     TRACE("returning %s\n", debugstr_w(lpResult));
 962     if (lpDirectory)
 963         SetCurrentDirectoryW(old_dir);
 964     return (HINSTANCE)retval;
 965 }
 966
 967 /*************************************************************************
 968  *      ShellExecuteExW32 [Internal]
 969  */
 970 BOOL WINAPI ShellExecuteExW32 (LPSHELLEXECUTEINFOW sei, SHELL_ExecuteW32 execfunc)
 971 {
 972     static const WCHAR wQuote[] = {'"',0};
 973     static const WCHAR wSpace[] = {' ',0};
 974     static const WCHAR wWww[] = {'w','w','w',0};
 975     static const WCHAR wFile[] = {'f','i','l','e',0};
 976     static const WCHAR wHttp[] = {'h','t','t','p',':','/','/',0};
 977     static const WCHAR wExtLnk[] = {'.','l','n','k',0};
 978     static const WCHAR wExplorer[] = {'e','x','p','l','o','r','e','r','.','e','x','e',0};
 979
 980     WCHAR wszApplicationName[MAX_PATH+2], wszParameters[1024], wszDir[MAX_PATH];
 981     SHELLEXECUTEINFOW sei_tmp;  /* modifiable copy of SHELLEXECUTEINFO struct */
 982     WCHAR wfileName[MAX_PATH];
 983     WCHAR *env;
 984     WCHAR lpstrProtocol[256];
 985     LPCWSTR lpFile;
 986     UINT retval = 31;
 987     WCHAR wcmd[1024];
 988     WCHAR buffer[MAX_PATH];
 989     const WCHAR* ext;
 990     BOOL done;
 991
 992     /* make a local copy of the LPSHELLEXECUTEINFO structure and work with this from now on */
 993     memcpy(&sei_tmp, sei, sizeof(sei_tmp));
 994
 995     TRACE("mask=0x%08lx hwnd=%p verb=%s file=%s parm=%s dir=%s show=0x%08x class=%s\n",
 996             sei_tmp.fMask, sei_tmp.hwnd, debugstr_w(sei_tmp.lpVerb),
 997             debugstr_w(sei_tmp.lpFile), debugstr_w(sei_tmp.lpParameters),
 998             debugstr_w(sei_tmp.lpDirectory), sei_tmp.nShow,
 999             (sei_tmp.fMask & SEE_MASK_CLASSNAME) ? debugstr_w(sei_tmp.lpClass) : "not used");
1000
1001     sei->hProcess = NULL;
1002
1003     /* make copies of all path/command strings */
1004     if (sei_tmp.lpFile)
1005         strcpyW(wszApplicationName, sei_tmp.lpFile);
1006     else
1007         *wszApplicationName = '\0';
1008
1009     if (sei_tmp.lpParameters)
1010         strcpyW(wszParameters, sei_tmp.lpParameters);
1011     else
1012         *wszParameters = '\0';
1013
1014     if (sei_tmp.lpDirectory)
1015         strcpyW(wszDir, sei_tmp.lpDirectory);
1016     else
1017         *wszDir = '\0';
1018
1019     /* adjust string pointers to point to the new buffers */
1020     sei_tmp.lpFile = wszApplicationName;
1021     sei_tmp.lpParameters = wszParameters;
1022     sei_tmp.lpDirectory = wszDir;
1023
1024     if (sei_tmp.fMask & (SEE_MASK_INVOKEIDLIST | SEE_MASK_ICON | SEE_MASK_HOTKEY |
1025         SEE_MASK_CONNECTNETDRV | SEE_MASK_FLAG_DDEWAIT |
1026         SEE_MASK_DOENVSUBST | SEE_MASK_FLAG_NO_UI | SEE_MASK_UNICODE |
1027         SEE_MASK_NO_CONSOLE | SEE_MASK_ASYNCOK | SEE_MASK_HMONITOR ))
1028     {
1029         FIXME("flags ignored: 0x%08lx\n", sei_tmp.fMask);
1030     }
1031
1032     /* process the IDList */
1033     if (sei_tmp.fMask & SEE_MASK_IDLIST)
1034     {
1035         IShellExecuteHookW* pSEH;
1036
1037         HRESULT hr = SHBindToParent(sei_tmp.lpIDList, &IID_IShellExecuteHookW, (LPVOID*)&pSEH, NULL);
1038
1039         if (SUCCEEDED(hr))
1040         {
1041             hr = IShellExecuteHookW_Execute(pSEH, sei);
1042
1043             IShellExecuteHookW_Release(pSEH);
1044
1045             if (hr == S_OK)
1046                 return TRUE;
1047         }
1048
1049         wszApplicationName[0] = '"';
1050         SHGetPathFromIDListW(sei_tmp.lpIDList, wszApplicationName+1);
1051         strcatW(wszApplicationName, wQuote);
1052         TRACE("-- idlist=%p (%s)\n", sei_tmp.lpIDList, debugstr_w(wszApplicationName));
1053     }
1054
1055     if (sei_tmp.fMask & (SEE_MASK_CLASSNAME | SEE_MASK_CLASSKEY))
1056     {
1057         /* launch a document by fileclass like 'WordPad.Document.1' */
1058         /* the Commandline contains 'c:\Path\wordpad.exe "%1"' */
1059         /* FIXME: szCommandline should not be of a fixed size. Fixed to 1024, MAX_PATH is way too short! */
1060         HCR_GetExecuteCommandW((sei_tmp.fMask & SEE_MASK_CLASSKEY) ? sei_tmp.hkeyClass : NULL,
1061                                (sei_tmp.fMask & SEE_MASK_CLASSNAME) ? sei_tmp.lpClass: NULL,
1062                                (sei_tmp.lpVerb) ? sei_tmp.lpVerb : wszOpen,
1063                                wszParameters, sizeof(wszParameters)/sizeof(WCHAR));
1064
1065         /* FIXME: get the extension of lpFile, check if it fits to the lpClass */
1066         TRACE("SEE_MASK_CLASSNAME->'%s', doc->'%s'\n", debugstr_w(wszParameters), debugstr_w(wszApplicationName));
1067
1068         wcmd[0] = '\0';
1069         done = SHELL_ArgifyW(wcmd, sizeof(wcmd)/sizeof(WCHAR), wszParameters, wszApplicationName, sei_tmp.lpIDList, NULL);
1070         if (!done && wszApplicationName[0])
1071         {
1072             strcatW(wcmd, wSpace);
1073             strcatW(wcmd, wszApplicationName);
1074         }
1075         retval = execfunc(wcmd, NULL, FALSE, &sei_tmp, sei);
1076         if (retval > 32)
1077             return TRUE;
1078         else
1079             return FALSE;
1080     }
1081
1082
1083     /* resolve shell shortcuts */
1084     ext = PathFindExtensionW(sei_tmp.lpFile);
1085
1086     if (ext && !strncmpiW(ext, wExtLnk, sizeof(wExtLnk) / sizeof(WCHAR) - 1) &&
1087         (ext[sizeof(wExtLnk) / sizeof(WCHAR) - 1] == '\0' ||
1088          (sei_tmp.lpFile[0] == '"' && ext[sizeof(wExtLnk) / sizeof(WCHAR) - 1] == '"')))        /* or check for: shell_attribs & SFGAO_LINK */
1089     {
1090         HRESULT hr;
1091         BOOL Quoted;
1092
1093         if (wszApplicationName[0] == '"')
1094         {
1095             if (wszApplicationName[strlenW(wszApplicationName) - 1] == '"')
1096             {
1097                 wszApplicationName[strlenW(wszApplicationName) - 1] = '\0';
1098                 Quoted = TRUE;
1099             }
1100             else
1101             {
1102                 Quoted = FALSE;
1103             }
1104         }
1105         else
1106         {
1107             Quoted = FALSE;
1108         }
1109         /* expand paths before reading shell link */
1110         if (ExpandEnvironmentStringsW(Quoted ? sei_tmp.lpFile + 1 : sei_tmp.lpFile, buffer, MAX_PATH))
1111             lstrcpyW(Quoted ? wszApplicationName + 1 : wszApplicationName/*sei_tmp.lpFile*/, buffer);
1112
1113         if (*sei_tmp.lpParameters)
1114             if (ExpandEnvironmentStringsW(sei_tmp.lpParameters, buffer, MAX_PATH))
1115                 lstrcpyW(wszParameters/*sei_tmp.lpParameters*/, buffer);
1116
1117         hr = SHELL_ResolveShortCutW((LPWSTR)(Quoted ? sei_tmp.lpFile + 1 : sei_tmp.lpFile),
1118                                     (LPWSTR)sei_tmp.lpParameters, (LPWSTR)sei_tmp.lpDirectory,
1119                                     sei_tmp.hwnd, sei_tmp.lpVerb?sei_tmp.lpVerb:wszEmpty, &sei_tmp.nShow, (LPITEMIDLIST*)&sei_tmp.lpIDList);
1120         if (Quoted)
1121         {
1122             wszApplicationName[strlenW(wszApplicationName) + 1] = '\0';
1123             wszApplicationName[strlenW(wszApplicationName)] = '"';
1124         }
1125
1126         if (sei->lpIDList)
1127             sei->fMask |= SEE_MASK_IDLIST;
1128
1129         if (SUCCEEDED(hr))
1130         {
1131             /* repeat IDList processing if needed */
1132             if (sei_tmp.fMask & SEE_MASK_IDLIST)
1133             {
1134                 IShellExecuteHookW* pSEH;
1135
1136                 HRESULT hr = SHBindToParent(sei_tmp.lpIDList, &IID_IShellExecuteHookW, (LPVOID*)&pSEH, NULL);
1137
1138                 if (SUCCEEDED(hr))
1139                 {
1140                     hr = IShellExecuteHookW_Execute(pSEH, sei);
1141
1142                     IShellExecuteHookW_Release(pSEH);
1143
1144                     if (hr == S_OK)
1145                         return TRUE;
1146                 }
1147
1148                 TRACE("-- idlist=%p (%s)\n", debugstr_w(sei_tmp.lpIDList), debugstr_w(sei_tmp.lpFile));
1149             }
1150         }
1151     }
1152
1153
1154     /* Has the IDList not yet been translated? */
1155     if (sei_tmp.fMask & SEE_MASK_IDLIST)
1156     {
1157         /* last chance to translate IDList: now also allow CLSID paths */
1158         if (SUCCEEDED(SHELL_GetPathFromIDListForExecuteW(sei_tmp.lpIDList, buffer, sizeof(buffer)))) {
1159             if (buffer[0]==':' && buffer[1]==':') {
1160                 /* open shell folder for the specified class GUID */
1161                 strcpyW(wszParameters, buffer);
1162                 strcpyW(wszApplicationName, wExplorer);
1163
1164                 sei_tmp.fMask &= ~SEE_MASK_INVOKEIDLIST;
1165             } else if (HCR_GetExecuteCommandW(0, wszFolder, sei_tmp.lpVerb?sei_tmp.lpVerb:wszOpen, buffer, sizeof(buffer))) {
1166                 SHELL_ArgifyW(wszApplicationName, sizeof(wszApplicationName)/sizeof(WCHAR), buffer, NULL, sei_tmp.lpIDList, NULL);
1167
1168                 sei_tmp.fMask &= ~SEE_MASK_INVOKEIDLIST;
1169             }
1170         }
1171     }
1172
1173     /* expand environment strings */
1174     if (ExpandEnvironmentStringsW(sei_tmp.lpFile, buffer, MAX_PATH))
1175         lstrcpyW(wszApplicationName, buffer);
1176
1177     if (*sei_tmp.lpParameters)
1178         if (ExpandEnvironmentStringsW(sei_tmp.lpParameters, buffer, MAX_PATH))
1179             lstrcpyW(wszParameters, buffer);
1180
1181     if (*sei_tmp.lpDirectory)
1182         if (ExpandEnvironmentStringsW(sei_tmp.lpDirectory, buffer, MAX_PATH))
1183             lstrcpyW(wszDir, buffer);
1184
1185     /* Else, try to execute the filename */
1186     TRACE("execute:%s,%s,%s\n", debugstr_w(wszApplicationName), debugstr_w(wszParameters), debugstr_w(wszDir));
1187
1188     /* separate out command line arguments from executable file name */
1189     if (!*sei_tmp.lpParameters) {
1190         /* If the executable path is quoted, handle the rest of the command line as parameters. */
1191         if (sei_tmp.lpFile[0] == '"') {
1192             LPWSTR src = wszApplicationName/*sei_tmp.lpFile*/ + 1;
1193             LPWSTR dst = wfileName;
1194             LPWSTR end;
1195
1196             /* copy the unquoted executable path to 'wfileName' */
1197             while(*src && *src!='"')
1198                 *dst++ = *src++;
1199
1200             *dst = '\0';
1201
1202             if (*src == '"') {
1203                 end = ++src;
1204
1205                 while(isspace(*src))
1206                     ++src;
1207             } else
1208                 end = src;
1209
1210             /* copy the parameter string to 'wszParameters' */
1211             strcpyW(wszParameters, src);
1212
1213             /* terminate previous command string after the quote character */
1214             *end = '\0';
1215         }
1216         else
1217         {
1218             /* If the executable name is not quoted, we have to use this search loop here,
1219                that in CreateProcess() is not sufficient because it does not handle shell links. */
1220             WCHAR buffer[MAX_PATH], xlpFile[MAX_PATH];
1221             LPWSTR space, s;
1222
1223             LPWSTR beg = wszApplicationName/*sei_tmp.lpFile*/;
1224             for(s=beg; (space=strchrW(s, ' ')); s=space+1) {
1225                 int idx = space-sei_tmp.lpFile;
1226                 strncpyW(buffer, sei_tmp.lpFile, idx);
1227                 buffer[idx] = '\0';
1228
1229                 /*FIXME This finds directory paths if the targeted file name contains spaces. */
1230                 if (SearchPathW(*sei_tmp.lpDirectory? sei_tmp.lpDirectory: NULL, buffer, wszExe, sizeof(xlpFile), xlpFile, NULL))
1231                 {
1232                     /* separate out command from parameter string */
1233                     LPCWSTR p = space + 1;
1234
1235                     while(isspaceW(*p))
1236                         ++p;
1237
1238                     strcpyW(wszParameters, p);
1239                     *space = '\0';
1240
1241                     break;
1242                 }
1243             }
1244
1245             strcpyW(wfileName, sei_tmp.lpFile);
1246         }
1247     } else
1248         strcpyW(wfileName, sei_tmp.lpFile);
1249
1250     lpFile = wfileName;
1251
1252     if (sei_tmp.lpParameters[0]) {
1253         strcatW(wszApplicationName, wSpace);
1254         strcatW(wszApplicationName, wszParameters);
1255     }
1256
1257     /* We set the default to open, and that should generally work.
1258        But that is not really the way the MS docs say to do it. */
1259     if (!sei_tmp.lpVerb)
1260         sei_tmp.lpVerb = wszOpen;
1261
1262     retval = execfunc(wszApplicationName, NULL, FALSE, &sei_tmp, sei);
1263     if (retval > 32)
1264         return TRUE;
1265
1266     /* Else, try to find the executable */
1267     wcmd[0] = '\0';
1268     retval = SHELL_FindExecutable(sei_tmp.lpDirectory, lpFile, sei_tmp.lpVerb, wcmd, 1024, lpstrProtocol, &env, sei_tmp.lpIDList, sei_tmp.lpParameters);
1269     if (retval > 32)  /* Found */
1270     {
1271         WCHAR wszQuotedCmd[MAX_PATH+2];
1272         /* Must quote to handle case where cmd contains spaces,
1273          * else security hole if malicious user creates executable file "C:\\Program"
1274          */
1275         strcpyW(wszQuotedCmd, wQuote);
1276         strcatW(wszQuotedCmd, wcmd);
1277         strcatW(wszQuotedCmd, wQuote);
1278         if (wszParameters[0]) {
1279             strcatW(wszQuotedCmd, wSpace);
1280             strcatW(wszQuotedCmd, wszParameters);
1281         }
1282         TRACE("%s/%s => %s/%s\n", debugstr_w(wszApplicationName), debugstr_w(sei_tmp.lpVerb), debugstr_w(wszQuotedCmd), debugstr_w(lpstrProtocol));
1283         if (*lpstrProtocol)
1284             retval = execute_from_key(lpstrProtocol, wszApplicationName, env, sei_tmp.lpParameters, execfunc, &sei_tmp, sei);
1285         else
1286             retval = execfunc(wszQuotedCmd, env, FALSE, &sei_tmp, sei);
1287         if (env) HeapFree( GetProcessHeap(), 0, env );
1288     }
1289     else if (PathIsURLW((LPWSTR)lpFile))    /* File not found, check for URL */
1290     {
1291         static const WCHAR wShell[] = {'\\','s','h','e','l','l','\\',0};
1292         static const WCHAR wCommand[] = {'\\','c','o','m','m','a','n','d',0};
1293         LPWSTR lpstrRes;
1294         INT iSize;
1295
1296         lpstrRes = strchrW(lpFile, ':');
1297         if (lpstrRes)
1298             iSize = lpstrRes - lpFile;
1299         else
1300             iSize = strlenW(lpFile);
1301
1302         TRACE("Got URL: %s\n", debugstr_w(lpFile));
1303         /* Looking for ...protocol\shell\lpOperation\command */
1304         strncpyW(lpstrProtocol, lpFile, iSize);
1305         lpstrProtocol[iSize] = '\0';
1306         strcatW(lpstrProtocol, wShell);
1307         strcatW(lpstrProtocol, sei_tmp.lpVerb? sei_tmp.lpVerb: wszOpen);
1308         strcatW(lpstrProtocol, wCommand);
1309
1310         /* Remove File Protocol from lpFile */
1311         /* In the case file://path/file     */
1312         if (!strncmpiW(lpFile, wFile, iSize))
1313         {
1314             lpFile += iSize;
1315             while (*lpFile == ':') lpFile++;
1316         }
1317         retval = execute_from_key(lpstrProtocol, lpFile, NULL, sei_tmp.lpParameters, execfunc, &sei_tmp, sei);
1318     }
1319     /* Check if file specified is in the form www.??????.*** */
1320     else if (!strncmpiW(lpFile, wWww, 3))
1321     {
1322         /* if so, append lpFile http:// and call ShellExecute */
1323         WCHAR lpstrTmpFile[256];
1324         strcpyW(lpstrTmpFile, wHttp);
1325         strcatW(lpstrTmpFile, lpFile);
1326         retval = (UINT)ShellExecuteW(sei_tmp.hwnd, sei_tmp.lpVerb, lpstrTmpFile, NULL, NULL, 0);
1327     }
1328
1329     TRACE("retval %u\n", retval);
1330
1331     if (retval <= 32)
1332     {
1333         sei->hInstApp = (HINSTANCE)retval;
1334         return FALSE;
1335     }
1336
1337     sei->hInstApp = (HINSTANCE)33;
1338     return TRUE;
1339 }
1340
1341 /*************************************************************************
1342  * ShellExecuteA                        [SHELL32.290]
1343  */
1344 HINSTANCE WINAPI ShellExecuteA(HWND hWnd, LPCSTR lpOperation,LPCSTR lpFile,
1345                                LPCSTR lpParameters,LPCSTR lpDirectory, INT iShowCmd)
1346 {
1347     SHELLEXECUTEINFOA sei;
1348     HANDLE hProcess = 0;
1349
1350     TRACE("%p,%s,%s,%s,%s,%d\n",
1351            hWnd, lpOperation, lpFile, lpParameters, lpDirectory, iShowCmd);
1352
1353     sei.cbSize = sizeof(sei);
1354     sei.fMask = 0;
1355     sei.hwnd = hWnd;
1356     sei.lpVerb = lpOperation;
1357     sei.lpFile = lpFile;
1358     sei.lpParameters = lpParameters;
1359     sei.lpDirectory = lpDirectory;
1360     sei.nShow = iShowCmd;
1361     sei.lpIDList = 0;
1362     sei.lpClass = 0;
1363     sei.hkeyClass = 0;
1364     sei.dwHotKey = 0;
1365     sei.hProcess = hProcess;
1366
1367     ShellExecuteExA (&sei);
1368     return sei.hInstApp;
1369 }
1370
1371 /*************************************************************************
1372  * ShellExecuteEx                               [SHELL32.291]
1373  *
1374  */
1375 BOOL WINAPI ShellExecuteExAW (LPVOID sei)
1376 {
1377     if (SHELL_OsIsUnicode())
1378         return ShellExecuteExW32 (sei, SHELL_ExecuteW);
1379     return ShellExecuteExA (sei);
1380 }
1381
1382 /*************************************************************************
1383  * ShellExecuteExA                              [SHELL32.292]
1384  *
1385  */
1386 BOOL WINAPI ShellExecuteExA (LPSHELLEXECUTEINFOA sei)
1387 {
1388     SHELLEXECUTEINFOW seiW;
1389     BOOL ret;
1390     WCHAR *wVerb = NULL, *wFile = NULL, *wParameters = NULL, *wDirectory = NULL, *wClass = NULL;
1391
1392     TRACE("%p\n", sei);
1393
1394     memcpy(&seiW, sei, sizeof(SHELLEXECUTEINFOW));
1395
1396     if (sei->lpVerb)
1397         seiW.lpVerb = __SHCloneStrAtoW(&wVerb, sei->lpVerb);
1398
1399     if (sei->lpFile)
1400         seiW.lpFile = __SHCloneStrAtoW(&wFile, sei->lpFile);
1401
1402     if (sei->lpParameters)
1403         seiW.lpParameters = __SHCloneStrAtoW(&wParameters, sei->lpParameters);
1404
1405     if (sei->lpDirectory)
1406         seiW.lpDirectory = __SHCloneStrAtoW(&wDirectory, sei->lpDirectory);
1407
1408     if ((sei->fMask & SEE_MASK_CLASSNAME) && sei->lpClass)
1409         seiW.lpClass = __SHCloneStrAtoW(&wClass, sei->lpClass);
1410     else
1411         seiW.lpClass = NULL;
1412
1413     ret = ShellExecuteExW32 (&seiW, SHELL_ExecuteW);
1414
1415     sei->hInstApp = seiW.hInstApp;
1416
1417     if (wVerb) SHFree(wVerb);
1418     if (wFile) SHFree(wFile);
1419     if (wParameters) SHFree(wParameters);
1420     if (wDirectory) SHFree(wDirectory);
1421     if (wClass) SHFree(wClass);
1422
1423     return ret;
1424 }
1425
1426 /*************************************************************************
1427  * ShellExecuteExW                              [SHELL32.293]
1428  *
1429  */
1430 BOOL WINAPI ShellExecuteExW (LPSHELLEXECUTEINFOW sei)
1431 {
1432     return  ShellExecuteExW32 (sei, SHELL_ExecuteW);
1433 }
1434
1435 /*************************************************************************
1436  * ShellExecuteW                        [SHELL32.294]
1437  * from shellapi.h
1438  * WINSHELLAPI HINSTANCE APIENTRY ShellExecuteW(HWND hwnd, LPCWSTR lpOperation,
1439  * LPCWSTR lpFile, LPCWSTR lpParameters, LPCWSTR lpDirectory, INT nShowCmd);
1440  */
1441 HINSTANCE WINAPI ShellExecuteW(HWND hwnd, LPCWSTR lpOperation, LPCWSTR lpFile,
1442                                LPCWSTR lpParameters, LPCWSTR lpDirectory, INT nShowCmd)
1443 {
1444     SHELLEXECUTEINFOW sei;
1445     HANDLE hProcess = 0;
1446
1447     TRACE("\n");
1448     sei.cbSize = sizeof(sei);
1449     sei.fMask = 0;
1450     sei.hwnd = hwnd;
1451     sei.lpVerb = lpOperation;
1452     sei.lpFile = lpFile;
1453     sei.lpParameters = lpParameters;
1454     sei.lpDirectory = lpDirectory;
1455     sei.nShow = nShowCmd;
1456     sei.lpIDList = 0;
1457     sei.lpClass = 0;
1458     sei.hkeyClass = 0;
1459     sei.dwHotKey = 0;
1460     sei.hProcess = hProcess;
1461
1462     ShellExecuteExW32 (&sei, SHELL_ExecuteW);
1463     return sei.hInstApp;
1464 }