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