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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, 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 "shell32_main.h"
  46 #include "pidl.h"
  47 #include "shresdef.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 #define SEE_MASK_CLASSALL (SEE_MASK_CLASSNAME | SEE_MASK_CLASSKEY)
  61
  62 typedef UINT_PTR (*SHELL_ExecuteW32)(const WCHAR *lpCmd, WCHAR *env, BOOL shWait,
  63                             const SHELLEXECUTEINFOW *sei, LPSHELLEXECUTEINFOW sei_out);
  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  */
  82 static BOOL SHELL_ArgifyW(WCHAR* out, int len, const WCHAR* fmt, const WCHAR* lpFile, LPITEMIDLIST pidl, LPCWSTR args, DWORD* out_len)
  83 {
  84     WCHAR   xlpFile[1024];
  85     BOOL    done = FALSE;
  86     BOOL    found_p1 = FALSE;
  87     PWSTR   res = out;
  88     PCWSTR  cmd;
  89     DWORD   used = 0;
  90
  91     TRACE("%p, %d, %s, %s, %p, %p\n", out, len, debugstr_w(fmt),
  92           debugstr_w(lpFile), pidl, args);
  93
  94     while (*fmt)
  95     {
  96         if (*fmt == '%')
  97         {
  98             switch (*++fmt)
  99             {
 100             case '\0':
 101             case '%':
 102                 used++;
 103                 if (used < len)
 104                     *res++ = '%';
 105                 break;
 106
 107             case '2':
 108             case '3':
 109             case '4':
 110             case '5':
 111             case '6':
 112             case '7':
 113             case '8':
 114             case '9':
 115             case '0':
 116             case '*':
 117                 if (args)
 118                 {
 119                     if (*fmt == '*')
 120                     {
 121                         used++;
 122                         if (used < len)
 123                             *res++ = '"';
 124                         while(*args)
 125                         {
 126                             used++;
 127                             if (used < len)
 128                                 *res++ = *args++;
 129                             else
 130                                 args++;
 131                         }
 132                         used++;
 133                         if (used < len)
 134                             *res++ = '"';
 135                     }
 136                     else
 137                     {
 138                         while(*args && !isspace(*args))
 139                         {
 140                             used++;
 141                             if (used < len)
 142                                 *res++ = *args++;
 143                             else
 144                                 args++;
 145                         }
 146
 147                         while(isspace(*args))
 148                             ++args;
 149                     }
 150                     break;
 151                 }
 152                 /* else fall through */
 153             case '1':
 154                 if (!done || (*fmt == '1'))
 155                 {
 156                     /*FIXME Is the call to SearchPathW() really needed? We already have separated out the parameter string in args. */
 157                     if (SearchPathW(NULL, lpFile, wszExe, sizeof(xlpFile)/sizeof(WCHAR), xlpFile, NULL))
 158                         cmd = xlpFile;
 159                     else
 160                         cmd = lpFile;
 161
 162                     used += strlenW(cmd);
 163                     if (used < len)
 164                     {
 165                         strcpyW(res, cmd);
 166                         res += strlenW(cmd);
 167                     }
 168                 }
 169                 found_p1 = TRUE;
 170                 break;
 171
 172             /*
 173              * IE uses this a lot for activating things such as windows media
 174              * player. This is not verified to be fully correct but it appears
 175              * to work just fine.
 176              */
 177             case 'l':
 178             case 'L':
 179                 if (lpFile) {
 180                     used += strlenW(lpFile);
 181                     if (used < len)
 182                     {
 183                         strcpyW(res, lpFile);
 184                         res += strlenW(lpFile);
 185                     }
 186                 }
 187                 found_p1 = TRUE;
 188                 break;
 189
 190             case 'i':
 191             case 'I':
 192                 if (pidl) {
 193                     INT chars = 0;
 194                     /* %p should not exceed 8, maybe 16 when looking forward to 64bit.
 195                      * allowing a buffer of 100 should more than exceed all needs */
 196                     WCHAR buf[100];
 197                     LPVOID  pv;
 198                     HGLOBAL hmem = SHAllocShared(pidl, ILGetSize(pidl), 0);
 199                     pv = SHLockShared(hmem, 0);
 200                     chars = sprintfW(buf, wszILPtr, pv);
 201                     if (chars >= sizeof(buf)/sizeof(WCHAR))
 202                         ERR("pidl format buffer too small!\n");
 203                     used += chars;
 204                     if (used < len)
 205                     {
 206                         strcpyW(res,buf);
 207                         res += chars;
 208                     }
 209                     SHUnlockShared(pv);
 210                 }
 211                 found_p1 = TRUE;
 212                 break;
 213
 214             default:
 215                 /*
 216                  * Check if this is an env-variable here...
 217                  */
 218
 219                 /* Make sure that we have at least one more %.*/
 220                 if (strchrW(fmt, '%'))
 221                 {
 222                     WCHAR   tmpBuffer[1024];
 223                     PWSTR   tmpB = tmpBuffer;
 224                     WCHAR   tmpEnvBuff[MAX_PATH];
 225                     DWORD   envRet;
 226
 227                     while (*fmt != '%')
 228                         *tmpB++ = *fmt++;
 229                     *tmpB++ = 0;
 230
 231                     TRACE("Checking %s to be an env-var\n", debugstr_w(tmpBuffer));
 232
 233                     envRet = GetEnvironmentVariableW(tmpBuffer, tmpEnvBuff, MAX_PATH);
 234                     if (envRet == 0 || envRet > MAX_PATH)
 235                     {
 236                         used += strlenW(tmpBuffer);
 237                         if (used < len)
 238                         {
 239                             strcpyW( res, tmpBuffer );
 240                             res += strlenW(tmpBuffer);
 241                         }
 242                     }
 243                     else
 244                     {
 245                         used += strlenW(tmpEnvBuff);
 246                         if (used < len)
 247                         {
 248                             strcpyW( res, tmpEnvBuff );
 249                             res += strlenW(tmpEnvBuff);
 250                         }
 251                     }
 252                 }
 253                 done = TRUE;
 254                 break;
 255             }
 256             /* Don't skip past terminator (catch a single '%' at the end) */
 257             if (*fmt != '\0')
 258             {
 259                 fmt++;
 260             }
 261         }
 262         else
 263         {
 264             used ++;
 265             if (used < len)
 266                 *res++ = *fmt++;
 267             else
 268                 fmt++;
 269         }
 270     }
 271
 272     used ++;
 273     if (res - out < len)
 274         *res = '\0';
 275     else
 276         out[len-1] = '\0';
 277
 278     TRACE("used %i of %i space\n",used,len);
 279     if (out_len)
 280         *out_len = used;
 281
 282     return found_p1;
 283 }
 284
 285 static HRESULT SHELL_GetPathFromIDListForExecuteW(LPCITEMIDLIST pidl, LPWSTR pszPath, UINT uOutSize)
 286 {
 287     STRRET strret;
 288     IShellFolder* desktop;
 289
 290     HRESULT hr = SHGetDesktopFolder(&desktop);
 291
 292     if (SUCCEEDED(hr)) {
 293         hr = IShellFolder_GetDisplayNameOf(desktop, pidl, SHGDN_FORPARSING, &strret);
 294
 295         if (SUCCEEDED(hr))
 296             StrRetToStrNW(pszPath, uOutSize, &strret, pidl);
 297
 298         IShellFolder_Release(desktop);
 299     }
 300
 301     return hr;
 302 }
 303
 304 /*************************************************************************
 305  *      SHELL_ExecuteW [Internal]
 306  *
 307  */
 308 static UINT_PTR SHELL_ExecuteW(const WCHAR *lpCmd, WCHAR *env, BOOL shWait,
 309                             const SHELLEXECUTEINFOW *psei, LPSHELLEXECUTEINFOW psei_out)
 310 {
 311     STARTUPINFOW  startup;
 312     PROCESS_INFORMATION info;
 313     UINT_PTR retval = SE_ERR_NOASSOC;
 314     UINT gcdret = 0;
 315     WCHAR curdir[MAX_PATH];
 316     DWORD dwCreationFlags;
 317     const WCHAR *lpDirectory = NULL;
 318
 319     TRACE("Execute %s from directory %s\n", debugstr_w(lpCmd), debugstr_w(psei->lpDirectory));
 320
 321     /* make sure we don't fail the CreateProcess if the calling app passes in
 322      * a bad working directory */
 323     if (psei->lpDirectory && psei->lpDirectory[0])
 324     {
 325         DWORD attr = GetFileAttributesW(psei->lpDirectory);
 326         if (attr != INVALID_FILE_ATTRIBUTES && attr & FILE_ATTRIBUTE_DIRECTORY)
 327             lpDirectory = psei->lpDirectory;
 328     }
 329
 330     /* ShellExecute specifies the command from psei->lpDirectory
 331      * if present. Not from the current dir as CreateProcess does */
 332     if( lpDirectory )
 333         if( ( gcdret = GetCurrentDirectoryW( MAX_PATH, curdir)))
 334             if( !SetCurrentDirectoryW( lpDirectory))
 335                 ERR("cannot set directory %s\n", debugstr_w(lpDirectory));
 336     ZeroMemory(&startup,sizeof(STARTUPINFOW));
 337     startup.cb = sizeof(STARTUPINFOW);
 338     startup.dwFlags = STARTF_USESHOWWINDOW;
 339     startup.wShowWindow = psei->nShow;
 340     dwCreationFlags = CREATE_UNICODE_ENVIRONMENT;
 341     if (psei->fMask & SEE_MASK_NO_CONSOLE)
 342         dwCreationFlags |= CREATE_NEW_CONSOLE;
 343     if (CreateProcessW(NULL, (LPWSTR)lpCmd, NULL, NULL, FALSE, dwCreationFlags, env,
 344                        lpDirectory, &startup, &info))
 345     {
 346         /* Give 30 seconds to the app to come up, if desired. Probably only needed
 347            when starting app immediately before making a DDE connection. */
 348         if (shWait)
 349             if (WaitForInputIdle( info.hProcess, 30000 ) == WAIT_FAILED)
 350                 WARN("WaitForInputIdle failed: Error %d\n", GetLastError() );
 351         retval = 33;
 352         if (psei->fMask & SEE_MASK_NOCLOSEPROCESS)
 353             psei_out->hProcess = info.hProcess;
 354         else
 355             CloseHandle( info.hProcess );
 356         CloseHandle( info.hThread );
 357     }
 358     else if ((retval = GetLastError()) >= 32)
 359     {
 360         TRACE("CreateProcess returned error %ld\n", retval);
 361         retval = ERROR_BAD_FORMAT;
 362     }
 363
 364     TRACE("returning %lu\n", retval);
 365
 366     psei_out->hInstApp = (HINSTANCE)retval;
 367     if( gcdret )
 368         if( !SetCurrentDirectoryW( curdir))
 369             ERR("cannot return to directory %s\n", debugstr_w(curdir));
 370
 371     return retval;
 372 }
 373
 374
 375 /***********************************************************************
 376  *           SHELL_BuildEnvW    [Internal]
 377  *
 378  * Build the environment for the new process, adding the specified
 379  * path to the PATH variable. Returned pointer must be freed by caller.
 380  */
 381 static void *SHELL_BuildEnvW( const WCHAR *path )
 382 {
 383     static const WCHAR wPath[] = {'P','A','T','H','=',0};
 384     WCHAR *strings, *new_env;
 385     WCHAR *p, *p2;
 386     int total = strlenW(path) + 1;
 387     BOOL got_path = FALSE;
 388
 389     if (!(strings = GetEnvironmentStringsW())) return NULL;
 390     p = strings;
 391     while (*p)
 392     {
 393         int len = strlenW(p) + 1;
 394         if (!strncmpiW( p, wPath, 5 )) got_path = TRUE;
 395         total += len;
 396         p += len;
 397     }
 398     if (!got_path) total += 5;  /* we need to create PATH */
 399     total++;  /* terminating null */
 400
 401     if (!(new_env = HeapAlloc( GetProcessHeap(), 0, total * sizeof(WCHAR) )))
 402     {
 403         FreeEnvironmentStringsW( strings );
 404         return NULL;
 405     }
 406     p = strings;
 407     p2 = new_env;
 408     while (*p)
 409     {
 410         int len = strlenW(p) + 1;
 411         memcpy( p2, p, len * sizeof(WCHAR) );
 412         if (!strncmpiW( p, wPath, 5 ))
 413         {
 414             p2[len - 1] = ';';
 415             strcpyW( p2 + len, path );
 416             p2 += strlenW(path) + 1;
 417         }
 418         p += len;
 419         p2 += len;
 420     }
 421     if (!got_path)
 422     {
 423         strcpyW( p2, wPath );
 424         strcatW( p2, path );
 425         p2 += strlenW(p2) + 1;
 426     }
 427     *p2 = 0;
 428     FreeEnvironmentStringsW( strings );
 429     return new_env;
 430 }
 431
 432
 433 /***********************************************************************
 434  *           SHELL_TryAppPathW  [Internal]
 435  *
 436  * Helper function for SHELL_FindExecutable
 437  * @param lpResult - pointer to a buffer of size MAX_PATH
 438  * On entry: szName is a filename (probably without path separators).
 439  * On exit: if szName found in "App Path", place full path in lpResult, and return true
 440  */
 441 static BOOL SHELL_TryAppPathW( LPCWSTR szName, LPWSTR lpResult, WCHAR **env)
 442 {
 443     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',
 444         '\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\','A','p','p',' ','P','a','t','h','s','\\',0};
 445     static const WCHAR wPath[] = {'P','a','t','h',0};
 446     HKEY hkApp = 0;
 447     WCHAR buffer[1024];
 448     LONG len;
 449     LONG res;
 450     BOOL found = FALSE;
 451
 452     if (env) *env = NULL;
 453     strcpyW(buffer, wszKeyAppPaths);
 454     strcatW(buffer, szName);
 455     res = RegOpenKeyExW(HKEY_LOCAL_MACHINE, buffer, 0, KEY_READ, &hkApp);
 456     if (res) goto end;
 457
 458     len = MAX_PATH*sizeof(WCHAR);
 459     res = RegQueryValueW(hkApp, NULL, lpResult, &len);
 460     if (res) goto end;
 461     found = TRUE;
 462
 463     if (env)
 464     {
 465         DWORD count = sizeof(buffer);
 466         if (!RegQueryValueExW(hkApp, wPath, NULL, NULL, (LPBYTE)buffer, &count) && buffer[0])
 467             *env = SHELL_BuildEnvW( buffer );
 468     }
 469
 470 end:
 471     if (hkApp) RegCloseKey(hkApp);
 472     return found;
 473 }
 474
 475 /*************************************************************************
 476  *      SHELL_FindExecutableByOperation [Internal]
 477  *
 478  * called from SHELL_FindExecutable or SHELL_execute_class
 479  * in/out:
 480  *      filetype a buffer, big enough, to get the key name to do actually the
 481  *              command   "WordPad.Document.1\\shell\\open\\command"
 482  *              passed as "WordPad.Document.1"
 483  * in:
 484  *      lpOperation the operation on it (open)
 485  *      commandlen the size of command buffer (in bytes)
 486  * out:
 487  *      command a buffer, to store the command to do the
 488  *              operation on the file
 489  *      key a buffer, big enough, to get the key name to do actually the
 490  *              command "WordPad.Document.1\\shell\\open\\command"
 491  *              Can be NULL
 492  */
 493 static UINT SHELL_FindExecutableByOperation(LPCWSTR lpOperation, LPWSTR key, LPWSTR filetype, LPWSTR command, LONG commandlen)
 494 {
 495     static const WCHAR wCommand[] = {'\\','c','o','m','m','a','n','d',0};
 496     HKEY hkeyClass;
 497     WCHAR verb[MAX_PATH];
 498
 499     if (RegOpenKeyExW(HKEY_CLASSES_ROOT, filetype, 0, 0x02000000, &hkeyClass))
 500         return SE_ERR_NOASSOC;
 501     if (!HCR_GetDefaultVerbW(hkeyClass, lpOperation, verb, sizeof(verb)/sizeof(verb[0])))
 502         return SE_ERR_NOASSOC;
 503     RegCloseKey(hkeyClass);
 504
 505     /* Looking for ...buffer\shell\<verb>\command */
 506     strcatW(filetype, wszShell);
 507     strcatW(filetype, verb);
 508     strcatW(filetype, wCommand);
 509
 510     if (RegQueryValueW(HKEY_CLASSES_ROOT, filetype, command,
 511                        &commandlen) == ERROR_SUCCESS)
 512     {
 513         commandlen /= sizeof(WCHAR);
 514         if (key) strcpyW(key, filetype);
 515 #if 0
 516         LPWSTR tmp;
 517         WCHAR param[256];
 518         LONG paramlen = sizeof(param);
 519         static const WCHAR wSpace[] = {' ',0};
 520
 521         /* FIXME: it seems all Windows version don't behave the same here.
 522          * the doc states that this ddeexec information can be found after
 523          * the exec names.
 524          * on Win98, it doesn't appear, but I think it does on Win2k
 525          */
 526         /* Get the parameters needed by the application
 527            from the associated ddeexec key */
 528         tmp = strstrW(filetype, wCommand);
 529         tmp[0] = '\0';
 530         strcatW(filetype, wDdeexec);
 531         if (RegQueryValueW(HKEY_CLASSES_ROOT, filetype, param,
 532                                      &paramlen) == ERROR_SUCCESS)
 533         {
 534             paramlen /= sizeof(WCHAR);
 535             strcatW(command, wSpace);
 536             strcatW(command, param);
 537             commandlen += paramlen;
 538         }
 539 #endif
 540
 541         command[commandlen] = '\0';
 542
 543         return 33; /* FIXME see SHELL_FindExecutable() */
 544     }
 545
 546     return SE_ERR_NOASSOC;
 547 }
 548
 549 /*************************************************************************
 550  *      SHELL_FindExecutable [Internal]
 551  *
 552  * Utility for code sharing between FindExecutable and ShellExecute
 553  * in:
 554  *      lpFile the name of a file
 555  *      lpOperation the operation on it (open)
 556  * out:
 557  *      lpResult a buffer, big enough :-(, to store the command to do the
 558  *              operation on the file
 559  *      key a buffer, big enough, to get the key name to do actually the
 560  *              command (it'll be used afterwards for more information
 561  *              on the operation)
 562  */
 563 static UINT SHELL_FindExecutable(LPCWSTR lpPath, LPCWSTR lpFile, LPCWSTR lpOperation,
 564                                  LPWSTR lpResult, int resultLen, LPWSTR key, WCHAR **env, LPITEMIDLIST pidl, LPCWSTR args)
 565 {
 566     static const WCHAR wWindows[] = {'w','i','n','d','o','w','s',0};
 567     static const WCHAR wPrograms[] = {'p','r','o','g','r','a','m','s',0};
 568     static const WCHAR wExtensions[] = {'e','x','e',' ','p','i','f',' ','b','a','t',' ','c','m','d',' ','c','o','m',0};
 569     WCHAR *extension = NULL; /* pointer to file extension */
 570     WCHAR filetype[256];     /* registry name for this filetype */
 571     LONG  filetypelen = sizeof(filetype); /* length of above */
 572     WCHAR command[1024];     /* command from registry */
 573     WCHAR wBuffer[256];      /* Used to GetProfileString */
 574     UINT  retval = SE_ERR_NOASSOC;
 575     WCHAR *tok;              /* token pointer */
 576     WCHAR xlpFile[256];      /* result of SearchPath */
 577     DWORD attribs;           /* file attributes */
 578
 579     TRACE("%s\n", debugstr_w(lpFile));
 580
 581     if (!lpResult)
 582         return ERROR_INVALID_PARAMETER;
 583
 584     xlpFile[0] = '\0';
 585     lpResult[0] = '\0'; /* Start off with an empty return string */
 586     if (key) *key = '\0';
 587
 588     /* trap NULL parameters on entry */
 589     if (!lpFile)
 590     {
 591         WARN("(lpFile=%s,lpResult=%s): NULL parameter\n",
 592              debugstr_w(lpFile), debugstr_w(lpResult));
 593         return ERROR_FILE_NOT_FOUND; /* File not found. Close enough, I guess. */
 594     }
 595
 596     if (SHELL_TryAppPathW( lpFile, lpResult, env ))
 597     {
 598         TRACE("found %s via App Paths\n", debugstr_w(lpResult));
 599         return 33;
 600     }
 601
 602     if (SearchPathW(lpPath, lpFile, wszExe, sizeof(xlpFile)/sizeof(WCHAR), xlpFile, NULL))
 603     {
 604         TRACE("SearchPathW returned non-zero\n");
 605         lpFile = xlpFile;
 606         /* Hey, isn't this value ignored?  Why make this call?  Shouldn't we return here?  --dank*/
 607     }
 608
 609     attribs = GetFileAttributesW(lpFile);
 610     if (attribs!=INVALID_FILE_ATTRIBUTES && (attribs&FILE_ATTRIBUTE_DIRECTORY))
 611     {
 612        strcpyW(filetype, wszFolder);
 613     }
 614     else
 615     {
 616         /* Did we get something? Anything? */
 617         if (xlpFile[0]==0)
 618         {
 619             TRACE("Returning SE_ERR_FNF\n");
 620             return SE_ERR_FNF;
 621         }
 622         /* First thing we need is the file's extension */
 623         extension = strrchrW(xlpFile, '.'); /* Assume last "." is the one; */
 624         /* File->Run in progman uses */
 625         /* .\FILE.EXE :( */
 626         TRACE("xlpFile=%s,extension=%s\n", debugstr_w(xlpFile), debugstr_w(extension));
 627
 628         if (extension == NULL || extension[1]==0)
 629         {
 630             WARN("Returning SE_ERR_NOASSOC\n");
 631             return SE_ERR_NOASSOC;
 632         }
 633
 634         /* Three places to check: */
 635         /* 1. win.ini, [windows], programs (NB no leading '.') */
 636         /* 2. Registry, HKEY_CLASS_ROOT\<filetype>\shell\open\command */
 637         /* 3. win.ini, [extensions], extension (NB no leading '.' */
 638         /* All I know of the order is that registry is checked before */
 639         /* extensions; however, it'd make sense to check the programs */
 640         /* section first, so that's what happens here. */
 641
 642         /* See if it's a program - if GetProfileString fails, we skip this
 643          * section. Actually, if GetProfileString fails, we've probably
 644          * got a lot more to worry about than running a program... */
 645         if (GetProfileStringW(wWindows, wPrograms, wExtensions, wBuffer, sizeof(wBuffer)/sizeof(WCHAR)) > 0)
 646         {
 647             CharLowerW(wBuffer);
 648             tok = wBuffer;
 649             while (*tok)
 650             {
 651                 WCHAR *p = tok;
 652                 while (*p && *p != ' ' && *p != '\t') p++;
 653                 if (*p)
 654                 {
 655                     *p++ = 0;
 656                     while (*p == ' ' || *p == '\t') p++;
 657                 }
 658
 659                 if (strcmpiW(tok, &extension[1]) == 0) /* have to skip the leading "." */
 660                 {
 661                     strcpyW(lpResult, xlpFile);
 662                     /* Need to perhaps check that the file has a path
 663                      * attached */
 664                     TRACE("found %s\n", debugstr_w(lpResult));
 665                     return 33;
 666                     /* Greater than 32 to indicate success */
 667                 }
 668                 tok = p;
 669             }
 670         }
 671
 672         /* Check registry */
 673         if (RegQueryValueW(HKEY_CLASSES_ROOT, extension, filetype,
 674                            &filetypelen) == ERROR_SUCCESS)
 675         {
 676             filetypelen /= sizeof(WCHAR);
 677             if (filetypelen == sizeof(filetype)/sizeof(WCHAR))
 678                 filetypelen--;
 679             filetype[filetypelen] = '\0';
 680             TRACE("File type: %s\n", debugstr_w(filetype));
 681         }
 682         else
 683         {
 684             *filetype = '\0';
 685         }
 686     }
 687
 688     if (*filetype)
 689     {
 690         /* pass the operation string to SHELL_FindExecutableByOperation() */
 691         retval = SHELL_FindExecutableByOperation(lpOperation, key, filetype, command, sizeof(command));
 692
 693         if (retval > 32)
 694         {
 695             DWORD finishedLen;
 696             SHELL_ArgifyW(lpResult, resultLen, command, xlpFile, pidl, args, &finishedLen);
 697             if (finishedLen > resultLen)
 698                 ERR("Argify buffer not large enough.. truncated\n");
 699
 700             /* Remove double quotation marks and command line arguments */
 701             if (*lpResult == '"')
 702             {
 703                 WCHAR *p = lpResult;
 704                 while (*(p + 1) != '"')
 705                 {
 706                     *p = *(p + 1);
 707                     p++;
 708                 }
 709                 *p = '\0';
 710             }
 711             else
 712             {
 713                 /* Truncate on first space */
 714                 WCHAR *p = lpResult;
 715                 while (*p != ' ' && *p != '\0')
 716                     p++;
 717                 *p='\0';
 718             }
 719         }
 720     }
 721     else /* Check win.ini */
 722     {
 723         static const WCHAR wExtensions[] = {'e','x','t','e','n','s','i','o','n','s',0};
 724
 725         /* Toss the leading dot */
 726         extension++;
 727         if (GetProfileStringW(wExtensions, extension, wszEmpty, command, sizeof(command)/sizeof(WCHAR)) > 0)
 728         {
 729             if (strlenW(command) != 0)
 730             {
 731                 strcpyW(lpResult, command);
 732                 tok = strchrW(lpResult, '^'); /* should be ^.extension? */
 733                 if (tok != NULL)
 734                 {
 735                     tok[0] = '\0';
 736                     strcatW(lpResult, xlpFile); /* what if no dir in xlpFile? */
 737                     tok = strchrW(command, '^'); /* see above */
 738                     if ((tok != NULL) && (strlenW(tok)>5))
 739                     {
 740                         strcatW(lpResult, &tok[5]);
 741                     }
 742                 }
 743                 retval = 33; /* FIXME - see above */
 744             }
 745         }
 746     }
 747
 748     TRACE("returning %s\n", debugstr_w(lpResult));
 749     return retval;
 750 }
 751
 752 /******************************************************************
 753  *              dde_cb
 754  *
 755  * callback for the DDE connection. not really useful
 756  */
 757 static HDDEDATA CALLBACK dde_cb(UINT uType, UINT uFmt, HCONV hConv,
 758                                 HSZ hsz1, HSZ hsz2, HDDEDATA hData,
 759                                 ULONG_PTR dwData1, ULONG_PTR dwData2)
 760 {
 761     TRACE("dde_cb: %04x, %04x, %p, %p, %p, %p, %08lx, %08lx\n",
 762            uType, uFmt, hConv, hsz1, hsz2, hData, dwData1, dwData2);
 763     return NULL;
 764 }
 765
 766 /******************************************************************
 767  *              dde_connect
 768  *
 769  * ShellExecute helper. Used to do an operation with a DDE connection
 770  *
 771  * Handles both the direct connection (try #1), and if it fails,
 772  * launching an application and trying (#2) to connect to it
 773  *
 774  */
 775 static unsigned dde_connect(const WCHAR* key, const WCHAR* start, WCHAR* ddeexec,
 776                             const WCHAR* lpFile, WCHAR *env,
 777                             LPCWSTR szCommandline, LPITEMIDLIST pidl, SHELL_ExecuteW32 execfunc,
 778                             const SHELLEXECUTEINFOW *psei, LPSHELLEXECUTEINFOW psei_out)
 779 {
 780     static const WCHAR wApplication[] = {'\\','a','p','p','l','i','c','a','t','i','o','n',0};
 781     static const WCHAR wTopic[] = {'\\','t','o','p','i','c',0};
 782     WCHAR       regkey[256];
 783     WCHAR *     endkey = regkey + strlenW(key);
 784     WCHAR       app[256], topic[256], ifexec[256], static_res[256];
 785     WCHAR *     dynamic_res=NULL;
 786     WCHAR *     res;
 787     LONG        applen, topiclen, ifexeclen;
 788     WCHAR *     exec;
 789     DWORD       ddeInst = 0;
 790     DWORD       tid;
 791     DWORD       resultLen;
 792     HSZ         hszApp, hszTopic;
 793     HCONV       hConv;
 794     HDDEDATA    hDdeData;
 795     unsigned    ret = SE_ERR_NOASSOC;
 796     BOOL unicode = !(GetVersion() & 0x80000000);
 797
 798     strcpyW(regkey, key);
 799     strcpyW(endkey, wApplication);
 800     applen = sizeof(app);
 801     if (RegQueryValueW(HKEY_CLASSES_ROOT, regkey, app, &applen) != ERROR_SUCCESS)
 802     {
 803         WCHAR command[1024], fullpath[MAX_PATH];
 804         static const WCHAR wSo[] = { '.','s','o',0 };
 805         int sizeSo = sizeof(wSo)/sizeof(WCHAR);
 806         LPWSTR ptr = NULL;
 807         DWORD ret = 0;
 808
 809         /* Get application command from start string and find filename of application */
 810         if (*start == '"')
 811         {
 812             strcpyW(command, start+1);
 813             if ((ptr = strchrW(command, '"')))
 814                 *ptr = 0;
 815             ret = SearchPathW(NULL, command, wszExe, sizeof(fullpath)/sizeof(WCHAR), fullpath, &ptr);
 816         }
 817         else
 818         {
 819             LPCWSTR p;
 820             LPWSTR space;
 821             for (p=start; (space=strchrW(p, ' ')); p=space+1)
 822             {
 823                 int idx = space-start;
 824                 memcpy(command, start, idx*sizeof(WCHAR));
 825                 command[idx] = '\0';
 826                 if ((ret = SearchPathW(NULL, command, wszExe, sizeof(fullpath)/sizeof(WCHAR), fullpath, &ptr)))
 827                     break;
 828             }
 829             if (!ret)
 830                 ret = SearchPathW(NULL, start, wszExe, sizeof(fullpath)/sizeof(WCHAR), fullpath, &ptr);
 831         }
 832
 833         if (!ret)
 834         {
 835             ERR("Unable to find application path for command %s\n", debugstr_w(start));
 836             return ERROR_ACCESS_DENIED;
 837         }
 838         strcpyW(app, ptr);
 839
 840         /* Remove extensions (including .so) */
 841         ptr = app + strlenW(app) - (sizeSo-1);
 842         if (strlenW(app) >= sizeSo &&
 843             !strcmpW(ptr, wSo))
 844             *ptr = 0;
 845
 846         ptr = strrchrW(app, '.');
 847         assert(ptr);
 848         *ptr = 0;
 849     }
 850
 851     strcpyW(endkey, wTopic);
 852     topiclen = sizeof(topic);
 853     if (RegQueryValueW(HKEY_CLASSES_ROOT, regkey, topic, &topiclen) != ERROR_SUCCESS)
 854     {
 855         static const WCHAR wSystem[] = {'S','y','s','t','e','m',0};
 856         strcpyW(topic, wSystem);
 857     }
 858
 859     if (unicode)
 860     {
 861         if (DdeInitializeW(&ddeInst, dde_cb, APPCMD_CLIENTONLY, 0L) != DMLERR_NO_ERROR)
 862             return 2;
 863     }
 864     else
 865     {
 866         if (DdeInitializeA(&ddeInst, dde_cb, APPCMD_CLIENTONLY, 0L) != DMLERR_NO_ERROR)
 867             return 2;
 868     }
 869
 870     hszApp = DdeCreateStringHandleW(ddeInst, app, CP_WINUNICODE);
 871     hszTopic = DdeCreateStringHandleW(ddeInst, topic, CP_WINUNICODE);
 872
 873     hConv = DdeConnect(ddeInst, hszApp, hszTopic, NULL);
 874     exec = ddeexec;
 875     if (!hConv)
 876     {
 877         static const WCHAR wIfexec[] = {'\\','i','f','e','x','e','c',0};
 878         TRACE("Launching %s\n", debugstr_w(start));
 879         ret = execfunc(start, env, TRUE, psei, psei_out);
 880         if (ret <= 32)
 881         {
 882             TRACE("Couldn't launch\n");
 883             goto error;
 884         }
 885         hConv = DdeConnect(ddeInst, hszApp, hszTopic, NULL);
 886         if (!hConv)
 887         {
 888             TRACE("Couldn't connect. ret=%d\n", ret);
 889             DdeUninitialize(ddeInst);
 890             SetLastError(ERROR_DDE_FAIL);
 891             return 30; /* whatever */
 892         }
 893         strcpyW(endkey, wIfexec);
 894         ifexeclen = sizeof(ifexec);
 895         if (RegQueryValueW(HKEY_CLASSES_ROOT, regkey, ifexec, &ifexeclen) == ERROR_SUCCESS)
 896         {
 897             exec = ifexec;
 898         }
 899     }
 900
 901     SHELL_ArgifyW(static_res, sizeof(static_res)/sizeof(WCHAR), exec, lpFile, pidl, szCommandline, &resultLen);
 902     if (resultLen > sizeof(static_res)/sizeof(WCHAR))
 903     {
 904         res = dynamic_res = HeapAlloc(GetProcessHeap(), 0, resultLen * sizeof(WCHAR));
 905         SHELL_ArgifyW(dynamic_res, resultLen, exec, lpFile, pidl, szCommandline, NULL);
 906     }
 907     else
 908         res = static_res;
 909     TRACE("%s %s => %s\n", debugstr_w(exec), debugstr_w(lpFile), debugstr_w(res));
 910
 911     /* It's documented in the KB 330337 that IE has a bug and returns
 912      * error DMLERR_NOTPROCESSED on XTYP_EXECUTE request.
 913      */
 914     if (unicode)
 915         hDdeData = DdeClientTransaction((LPBYTE)res, (strlenW(res) + 1) * sizeof(WCHAR), hConv, 0L, 0,
 916                                          XTYP_EXECUTE, 30000, &tid);
 917     else
 918     {
 919         DWORD lenA = WideCharToMultiByte(CP_ACP, 0, res, -1, NULL, 0, NULL, NULL);
 920         char *resA = HeapAlloc(GetProcessHeap(), 0, lenA);
 921         WideCharToMultiByte(CP_ACP, 0, res, -1, resA, lenA, NULL, NULL);
 922         hDdeData = DdeClientTransaction( (LPBYTE)resA, lenA, hConv, 0L, 0,
 923                                          XTYP_EXECUTE, 10000, &tid );
 924         HeapFree(GetProcessHeap(), 0, resA);
 925     }
 926     if (hDdeData)
 927         DdeFreeDataHandle(hDdeData);
 928     else
 929         WARN("DdeClientTransaction failed with error %04x\n", DdeGetLastError(ddeInst));
 930     ret = 33;
 931
 932     HeapFree(GetProcessHeap(), 0, dynamic_res);
 933
 934     DdeDisconnect(hConv);
 935
 936  error:
 937     DdeUninitialize(ddeInst);
 938
 939     return ret;
 940 }
 941
 942 /*************************************************************************
 943  *      execute_from_key [Internal]
 944  */
 945 static UINT_PTR execute_from_key(LPCWSTR key, LPCWSTR lpFile, WCHAR *env, LPCWSTR szCommandline,
 946                              LPCWSTR executable_name,
 947                              SHELL_ExecuteW32 execfunc,
 948                              LPSHELLEXECUTEINFOW psei, LPSHELLEXECUTEINFOW psei_out)
 949 {
 950     static const WCHAR wCommand[] = {'c','o','m','m','a','n','d',0};
 951     static const WCHAR wDdeexec[] = {'d','d','e','e','x','e','c',0};
 952     WCHAR cmd[256], param[1024], ddeexec[256];
 953     LONG cmdlen = sizeof(cmd), ddeexeclen = sizeof(ddeexec);
 954     UINT_PTR retval = SE_ERR_NOASSOC;
 955     DWORD resultLen;
 956     LPWSTR tmp;
 957
 958     TRACE("%s %s %s %s %s\n", debugstr_w(key), debugstr_w(lpFile), debugstr_w(env),
 959            debugstr_w(szCommandline), debugstr_w(executable_name));
 960
 961     cmd[0] = '\0';
 962     param[0] = '\0';
 963
 964     /* Get the application from the registry */
 965     if (RegQueryValueW(HKEY_CLASSES_ROOT, key, cmd, &cmdlen) == ERROR_SUCCESS)
 966     {
 967         TRACE("got cmd: %s\n", debugstr_w(cmd));
 968
 969         /* Is there a replace() function anywhere? */
 970         cmdlen /= sizeof(WCHAR);
 971         if (cmdlen >= sizeof(cmd)/sizeof(WCHAR))
 972             cmdlen = sizeof(cmd)/sizeof(WCHAR)-1;
 973         cmd[cmdlen] = '\0';
 974         SHELL_ArgifyW(param, sizeof(param)/sizeof(WCHAR), cmd, lpFile, psei->lpIDList, szCommandline, &resultLen);
 975         if (resultLen > sizeof(param)/sizeof(WCHAR))
 976             ERR("Argify buffer not large enough, truncating\n");
 977     }
 978
 979     /* Get the parameters needed by the application
 980        from the associated ddeexec key */
 981     tmp = strstrW(key, wCommand);
 982     assert(tmp);
 983     strcpyW(tmp, wDdeexec);
 984
 985     if (RegQueryValueW(HKEY_CLASSES_ROOT, key, ddeexec, &ddeexeclen) == ERROR_SUCCESS)
 986     {
 987         TRACE("Got ddeexec %s => %s\n", debugstr_w(key), debugstr_w(ddeexec));
 988         if (!param[0]) strcpyW(param, executable_name);
 989         retval = dde_connect(key, param, ddeexec, lpFile, env, szCommandline, psei->lpIDList, execfunc, psei, psei_out);
 990     }
 991     else if (param[0])
 992     {
 993         TRACE("executing: %s\n", debugstr_w(param));
 994         retval = execfunc(param, env, FALSE, psei, psei_out);
 995     }
 996     else
 997         WARN("Nothing appropriate found for %s\n", debugstr_w(key));
 998
 999     return retval;
1000 }
1001
1002 /*************************************************************************
1003  * FindExecutableA                      [SHELL32.@]
1004  */
1005 HINSTANCE WINAPI FindExecutableA(LPCSTR lpFile, LPCSTR lpDirectory, LPSTR lpResult)
1006 {
1007     HINSTANCE retval;
1008     WCHAR *wFile = NULL, *wDirectory = NULL;
1009     WCHAR wResult[MAX_PATH];
1010
1011     if (lpFile) __SHCloneStrAtoW(&wFile, lpFile);
1012     if (lpDirectory) __SHCloneStrAtoW(&wDirectory, lpDirectory);
1013
1014     retval = FindExecutableW(wFile, wDirectory, wResult);
1015     WideCharToMultiByte(CP_ACP, 0, wResult, -1, lpResult, MAX_PATH, NULL, NULL);
1016     SHFree( wFile );
1017     SHFree( wDirectory );
1018
1019     TRACE("returning %s\n", lpResult);
1020     return retval;
1021 }
1022
1023 /*************************************************************************
1024  * FindExecutableW                      [SHELL32.@]
1025  *
1026  * This function returns the executable associated with the specified file
1027  * for the default verb.
1028  *
1029  * PARAMS
1030  *  lpFile   [I] The file to find the association for. This must refer to
1031  *               an existing file otherwise FindExecutable fails and returns
1032  *               SE_ERR_FNF.
1033  *  lpResult [O] Points to a buffer into which the executable path is
1034  *               copied. This parameter must not be NULL otherwise
1035  *               FindExecutable() segfaults. The buffer must be of size at
1036  *               least MAX_PATH characters.
1037  *
1038  * RETURNS
1039  *  A value greater than 32 on success, less than or equal to 32 otherwise.
1040  *  See the SE_ERR_* constants.
1041  *
1042  * NOTES
1043  *  On Windows XP and 2003, FindExecutable() seems to first convert the
1044  *  filename into 8.3 format, thus taking into account only the first three
1045  *  characters of the extension, and expects to find an association for those.
1046  *  However other Windows versions behave sanely.
1047  */
1048 HINSTANCE WINAPI FindExecutableW(LPCWSTR lpFile, LPCWSTR lpDirectory, LPWSTR lpResult)
1049 {
1050     UINT_PTR retval = SE_ERR_NOASSOC;
1051     WCHAR old_dir[1024];
1052
1053     TRACE("File %s, Dir %s\n", debugstr_w(lpFile), debugstr_w(lpDirectory));
1054
1055     lpResult[0] = '\0'; /* Start off with an empty return string */
1056     if (lpFile == NULL)
1057         return (HINSTANCE)SE_ERR_FNF;
1058
1059     if (lpDirectory)
1060     {
1061         GetCurrentDirectoryW(sizeof(old_dir)/sizeof(WCHAR), old_dir);
1062         SetCurrentDirectoryW(lpDirectory);
1063     }
1064
1065     retval = SHELL_FindExecutable(lpDirectory, lpFile, wszOpen, lpResult, MAX_PATH, NULL, NULL, NULL, NULL);
1066
1067     TRACE("returning %s\n", debugstr_w(lpResult));
1068     if (lpDirectory)
1069         SetCurrentDirectoryW(old_dir);
1070     return (HINSTANCE)retval;
1071 }
1072
1073 /* FIXME: is this already implemented somewhere else? */
1074 static HKEY ShellExecute_GetClassKey( const SHELLEXECUTEINFOW *sei )
1075 {
1076     LPCWSTR ext = NULL, lpClass = NULL;
1077     LPWSTR cls = NULL;
1078     DWORD type = 0, sz = 0;
1079     HKEY hkey = 0;
1080     LONG r;
1081
1082     if (sei->fMask & SEE_MASK_CLASSALL)
1083         return sei->hkeyClass;
1084
1085     if (sei->fMask & SEE_MASK_CLASSNAME)
1086         lpClass = sei->lpClass;
1087     else
1088     {
1089         ext = PathFindExtensionW( sei->lpFile );
1090         TRACE("ext = %s\n", debugstr_w( ext ) );
1091         if (!ext)
1092             return hkey;
1093
1094         r = RegOpenKeyW( HKEY_CLASSES_ROOT, ext, &hkey );
1095         if (r != ERROR_SUCCESS )
1096             return hkey;
1097
1098         r = RegQueryValueExW( hkey, NULL, 0, &type, NULL, &sz );
1099         if ( r == ERROR_SUCCESS && type == REG_SZ )
1100         {
1101             sz += sizeof (WCHAR);
1102             cls = HeapAlloc( GetProcessHeap(), 0, sz );
1103             cls[0] = 0;
1104             RegQueryValueExW( hkey, NULL, 0, &type, (LPBYTE) cls, &sz );
1105         }
1106
1107         RegCloseKey( hkey );
1108         lpClass = cls;
1109     }
1110
1111     TRACE("class = %s\n", debugstr_w(lpClass) );
1112
1113     hkey = 0;
1114     if ( lpClass )
1115         RegOpenKeyW( HKEY_CLASSES_ROOT, lpClass, &hkey );
1116
1117     HeapFree( GetProcessHeap(), 0, cls );
1118
1119     return hkey;
1120 }
1121
1122 static IDataObject *shellex_get_dataobj( LPSHELLEXECUTEINFOW sei )
1123 {
1124     LPCITEMIDLIST pidllast = NULL;
1125     IDataObject *dataobj = NULL;
1126     IShellFolder *shf = NULL;
1127     LPITEMIDLIST pidl = NULL;
1128     HRESULT r;
1129
1130     if (sei->fMask & SEE_MASK_CLASSALL)
1131         pidl = sei->lpIDList;
1132     else
1133     {
1134         WCHAR fullpath[MAX_PATH];
1135         BOOL ret;
1136
1137         fullpath[0] = 0;
1138         ret = GetFullPathNameW( sei->lpFile, MAX_PATH, fullpath, NULL );
1139         if (!ret)
1140             goto end;
1141
1142         pidl = ILCreateFromPathW( fullpath );
1143     }
1144
1145     r = SHBindToParent( pidl, &IID_IShellFolder, (LPVOID*)&shf, &pidllast );
1146     if ( FAILED( r ) )
1147         goto end;
1148
1149     IShellFolder_GetUIObjectOf( shf, NULL, 1, &pidllast,
1150                                 &IID_IDataObject, NULL, (LPVOID*) &dataobj );
1151
1152 end:
1153     if ( pidl != sei->lpIDList )
1154         ILFree( pidl );
1155     if ( shf )
1156         IShellFolder_Release( shf );
1157     return dataobj;
1158 }
1159
1160 static HRESULT shellex_run_context_menu_default( IShellExtInit *obj,
1161                                                  LPSHELLEXECUTEINFOW sei )
1162 {
1163     IContextMenu *cm = NULL;
1164     CMINVOKECOMMANDINFOEX ici;
1165     MENUITEMINFOW info;
1166     WCHAR string[0x80];
1167     INT i, n, def = -1;
1168     HMENU hmenu = 0;
1169     HRESULT r;
1170
1171     TRACE("%p %p\n", obj, sei );
1172
1173     r = IShellExtInit_QueryInterface( obj, &IID_IContextMenu, (LPVOID*) &cm );
1174     if ( FAILED( r ) )
1175         return r;
1176
1177     hmenu = CreateMenu();
1178     if ( !hmenu )
1179         goto end;
1180
1181     /* the number of the last menu added is returned in r */
1182     r = IContextMenu_QueryContextMenu( cm, hmenu, 0, 0x20, 0x7fff, CMF_DEFAULTONLY );
1183     if ( FAILED( r ) )
1184         goto end;
1185
1186     n = GetMenuItemCount( hmenu );
1187     for ( i = 0; i < n; i++ )
1188     {
1189         memset( &info, 0, sizeof info );
1190         info.cbSize = sizeof info;
1191         info.fMask = MIIM_FTYPE | MIIM_STRING | MIIM_STATE | MIIM_DATA | MIIM_ID;
1192         info.dwTypeData = string;
1193         info.cch = sizeof string;
1194         string[0] = 0;
1195         GetMenuItemInfoW( hmenu, i, TRUE, &info );
1196
1197         TRACE("menu %d %s %08x %08lx %08x %08x\n", i, debugstr_w(string),
1198             info.fState, info.dwItemData, info.fType, info.wID );
1199         if ( ( !sei->lpVerb && (info.fState & MFS_DEFAULT) ) ||
1200              ( sei->lpVerb && !lstrcmpiW( sei->lpVerb, string ) ) )
1201         {
1202             def = i;
1203             break;
1204         }
1205     }
1206
1207     r = E_FAIL;
1208     if ( def == -1 )
1209         goto end;
1210
1211     memset( &ici, 0, sizeof ici );
1212     ici.cbSize = sizeof ici;
1213     ici.fMask = CMIC_MASK_UNICODE | (sei->fMask & (SEE_MASK_NOASYNC|SEE_MASK_ASYNCOK|SEE_MASK_FLAG_NO_UI));
1214     ici.nShow = sei->nShow;
1215     ici.lpVerb = MAKEINTRESOURCEA( def );
1216     ici.hwnd = sei->hwnd;
1217     ici.lpParametersW = sei->lpParameters;
1218
1219     r = IContextMenu_InvokeCommand( cm, (LPCMINVOKECOMMANDINFO) &ici );
1220
1221     TRACE("invoke command returned %08x\n", r );
1222
1223 end:
1224     if ( hmenu )
1225         DestroyMenu( hmenu );
1226     if ( cm )
1227         IContextMenu_Release( cm );
1228     return r;
1229 }
1230
1231 static HRESULT shellex_load_object_and_run( HKEY hkey, LPCGUID guid, LPSHELLEXECUTEINFOW sei )
1232 {
1233     IDataObject *dataobj = NULL;
1234     IObjectWithSite *ows = NULL;
1235     IShellExtInit *obj = NULL;
1236     HRESULT r;
1237
1238     TRACE("%p %s %p\n", hkey, debugstr_guid( guid ), sei );
1239
1240     r = CoInitialize( NULL );
1241     if ( FAILED( r ) )
1242         goto end;
1243
1244     r = CoCreateInstance( guid, NULL, CLSCTX_INPROC_SERVER,
1245                            &IID_IShellExtInit, (LPVOID*)&obj );
1246     if ( FAILED( r ) )
1247     {
1248         ERR("failed %08x\n", r );
1249         goto end;
1250     }
1251
1252     dataobj = shellex_get_dataobj( sei );
1253     if ( !dataobj )
1254     {
1255         ERR("failed to get data object\n");
1256         goto end;
1257     }
1258
1259     r = IShellExtInit_Initialize( obj, NULL, dataobj, hkey );
1260     if ( FAILED( r ) )
1261         goto end;
1262
1263     r = IShellExtInit_QueryInterface( obj, &IID_IObjectWithSite, (LPVOID*) &ows );
1264     if ( FAILED( r ) )
1265         goto end;
1266
1267     IObjectWithSite_SetSite( ows, NULL );
1268
1269     r = shellex_run_context_menu_default( obj, sei );
1270
1271 end:
1272     if ( ows )
1273         IObjectWithSite_Release( ows );
1274     if ( dataobj )
1275         IDataObject_Release( dataobj );
1276     if ( obj )
1277         IShellExtInit_Release( obj );
1278     CoUninitialize();
1279     return r;
1280 }
1281
1282
1283 /*************************************************************************
1284  *      ShellExecute_FromContextMenu [Internal]
1285  */
1286 static LONG ShellExecute_FromContextMenu( LPSHELLEXECUTEINFOW sei )
1287 {
1288     static const WCHAR szcm[] = { 's','h','e','l','l','e','x','\\',
1289         'C','o','n','t','e','x','t','M','e','n','u','H','a','n','d','l','e','r','s',0 };
1290     HKEY hkey, hkeycm = 0;
1291     WCHAR szguid[39];
1292     HRESULT hr;
1293     GUID guid;
1294     DWORD i;
1295     LONG r;
1296
1297     TRACE("%s\n", debugstr_w(sei->lpFile) );
1298
1299     hkey = ShellExecute_GetClassKey( sei );
1300     if ( !hkey )
1301         return ERROR_FUNCTION_FAILED;
1302
1303     r = RegOpenKeyW( hkey, szcm, &hkeycm );
1304     if ( r == ERROR_SUCCESS )
1305     {
1306         i = 0;
1307         while ( 1 )
1308         {
1309             r = RegEnumKeyW( hkeycm, i++, szguid, sizeof(szguid)/sizeof(szguid[0]) );
1310             if ( r != ERROR_SUCCESS )
1311                 break;
1312
1313             hr = CLSIDFromString( szguid, &guid );
1314             if (SUCCEEDED(hr))
1315             {
1316                 /* stop at the first one that succeeds in running */
1317                 hr = shellex_load_object_and_run( hkey, &guid, sei );
1318                 if ( SUCCEEDED( hr ) )
1319                     break;
1320             }
1321         }
1322         RegCloseKey( hkeycm );
1323     }
1324
1325     if ( hkey != sei->hkeyClass )
1326         RegCloseKey( hkey );
1327     return r;
1328 }
1329
1330 static UINT_PTR SHELL_quote_and_execute( LPCWSTR wcmd, LPCWSTR wszParameters, LPCWSTR lpstrProtocol, LPCWSTR wszApplicationName, LPWSTR env, LPSHELLEXECUTEINFOW psei, LPSHELLEXECUTEINFOW psei_out, SHELL_ExecuteW32 execfunc );
1331
1332 static UINT_PTR SHELL_execute_class( LPCWSTR wszApplicationName, LPSHELLEXECUTEINFOW psei, LPSHELLEXECUTEINFOW psei_out, SHELL_ExecuteW32 execfunc )
1333 {
1334     static const WCHAR wQuote[] = {'"',0};
1335     static const WCHAR wSpace[] = {' ',0};
1336     WCHAR execCmd[1024], filetype[1024];
1337     /* launch a document by fileclass like 'WordPad.Document.1' */
1338     /* the Commandline contains 'c:\Path\wordpad.exe "%1"' */
1339     /* FIXME: wcmd should not be of a fixed size. Fixed to 1024, MAX_PATH is way too short! */
1340     ULONG cmask=(psei->fMask & SEE_MASK_CLASSALL);
1341     DWORD resultLen;
1342     BOOL done;
1343     UINT_PTR rslt;
1344
1345   /* FIXME: remove following block when SHELL_quote_and_execute supports hkeyClass parameter */
1346   if (cmask != SEE_MASK_CLASSNAME)
1347   {
1348     WCHAR wcmd[1024];
1349     HCR_GetExecuteCommandW((cmask == SEE_MASK_CLASSKEY) ? psei->hkeyClass : NULL,
1350                            (cmask == SEE_MASK_CLASSNAME) ? psei->lpClass: NULL,
1351                            psei->lpVerb,
1352                            execCmd, sizeof(execCmd));
1353
1354     /* FIXME: get the extension of lpFile, check if it fits to the lpClass */
1355     TRACE("SEE_MASK_CLASSNAME->%s, doc->%s\n", debugstr_w(execCmd), debugstr_w(wszApplicationName));
1356
1357     wcmd[0] = '\0';
1358     done = SHELL_ArgifyW(wcmd, sizeof(wcmd)/sizeof(WCHAR), execCmd, wszApplicationName, psei->lpIDList, NULL, &resultLen);
1359     if (!done && wszApplicationName[0])
1360     {
1361         strcatW(wcmd, wSpace);
1362         if (*wszApplicationName != '"')
1363         {
1364             strcatW(wcmd, wQuote);
1365             strcatW(wcmd, wszApplicationName);
1366             strcatW(wcmd, wQuote);
1367         }
1368         else
1369             strcatW(wcmd, wszApplicationName);
1370     }
1371     if (resultLen > sizeof(wcmd)/sizeof(WCHAR))
1372         ERR("Argify buffer not large enough... truncating\n");
1373     return execfunc(wcmd, NULL, FALSE, psei, psei_out);
1374   }
1375
1376     strcpyW(filetype, psei->lpClass);
1377     rslt = SHELL_FindExecutableByOperation(psei->lpVerb, NULL, filetype, execCmd, sizeof(execCmd));
1378
1379     TRACE("SHELL_FindExecutableByOperation returned %u (%s, %s)\n", (unsigned int)rslt, debugstr_w(filetype), debugstr_w(execCmd));
1380     if (33 > rslt)
1381         return rslt;
1382     rslt = SHELL_quote_and_execute( execCmd, wszEmpty, filetype,
1383                                       wszApplicationName, NULL, psei,
1384                                       psei_out, execfunc );
1385     return rslt;
1386 }
1387
1388 static BOOL SHELL_translate_idlist( LPSHELLEXECUTEINFOW sei, LPWSTR wszParameters, DWORD parametersLen, LPWSTR wszApplicationName, DWORD dwApplicationNameLen )
1389 {
1390     static const WCHAR wExplorer[] = {'e','x','p','l','o','r','e','r','.','e','x','e',0};
1391     WCHAR buffer[MAX_PATH];
1392     BOOL appKnownSingular = FALSE;
1393
1394     /* last chance to translate IDList: now also allow CLSID paths */
1395     if (SUCCEEDED(SHELL_GetPathFromIDListForExecuteW(sei->lpIDList, buffer, sizeof(buffer)))) {
1396         if (buffer[0]==':' && buffer[1]==':') {
1397             /* open shell folder for the specified class GUID */
1398             if (strlenW(buffer) + 1 > parametersLen)
1399                 ERR("parameters len exceeds buffer size (%i > %i), truncating\n",
1400                     lstrlenW(buffer) + 1, parametersLen);
1401             lstrcpynW(wszParameters, buffer, parametersLen);
1402             if (strlenW(wExplorer) > dwApplicationNameLen)
1403                 ERR("application len exceeds buffer size (%i > %i), truncating\n",
1404                     lstrlenW(wExplorer) + 1, dwApplicationNameLen);
1405             lstrcpynW(wszApplicationName, wExplorer, dwApplicationNameLen);
1406             appKnownSingular = TRUE;
1407
1408             sei->fMask &= ~SEE_MASK_INVOKEIDLIST;
1409         } else {
1410             WCHAR target[MAX_PATH];
1411             DWORD attribs;
1412             DWORD resultLen;
1413             /* Check if we're executing a directory and if so use the
1414                handler for the Folder class */
1415             strcpyW(target, buffer);
1416             attribs = GetFileAttributesW(buffer);
1417             if (attribs != INVALID_FILE_ATTRIBUTES &&
1418                 (attribs & FILE_ATTRIBUTE_DIRECTORY) &&
1419                 HCR_GetExecuteCommandW(0, wszFolder,
1420                                        sei->lpVerb,
1421                                        buffer, sizeof(buffer))) {
1422                 SHELL_ArgifyW(wszApplicationName, dwApplicationNameLen,
1423                               buffer, target, sei->lpIDList, NULL, &resultLen);
1424                 if (resultLen > dwApplicationNameLen)
1425                     ERR("Argify buffer not large enough... truncating\n");
1426                 appKnownSingular = FALSE;
1427             }
1428             sei->fMask &= ~SEE_MASK_INVOKEIDLIST;
1429         }
1430     }
1431     return appKnownSingular;
1432 }
1433
1434 static UINT_PTR SHELL_quote_and_execute( LPCWSTR wcmd, LPCWSTR wszParameters, LPCWSTR lpstrProtocol, LPCWSTR wszApplicationName, LPWSTR env, LPSHELLEXECUTEINFOW psei, LPSHELLEXECUTEINFOW psei_out, SHELL_ExecuteW32 execfunc )
1435 {
1436     static const WCHAR wQuote[] = {'"',0};
1437     static const WCHAR wSpace[] = {' ',0};
1438     UINT_PTR retval;
1439     DWORD len;
1440     WCHAR *wszQuotedCmd;
1441
1442     /* Length of quotes plus length of command plus NULL terminator */
1443     len = 2 + lstrlenW(wcmd) + 1;
1444     if (wszParameters[0])
1445     {
1446         /* Length of space plus length of parameters */
1447         len += 1 + lstrlenW(wszParameters);
1448     }
1449     wszQuotedCmd = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
1450     /* Must quote to handle case where cmd contains spaces,
1451      * else security hole if malicious user creates executable file "C:\\Program"
1452      */
1453     strcpyW(wszQuotedCmd, wQuote);
1454     strcatW(wszQuotedCmd, wcmd);
1455     strcatW(wszQuotedCmd, wQuote);
1456     if (wszParameters[0]) {
1457         strcatW(wszQuotedCmd, wSpace);
1458         strcatW(wszQuotedCmd, wszParameters);
1459     }
1460     TRACE("%s/%s => %s/%s\n", debugstr_w(wszApplicationName), debugstr_w(psei->lpVerb), debugstr_w(wszQuotedCmd), debugstr_w(lpstrProtocol));
1461     if (*lpstrProtocol)
1462         retval = execute_from_key(lpstrProtocol, wszApplicationName, env, psei->lpParameters, wcmd, execfunc, psei, psei_out);
1463     else
1464         retval = execfunc(wszQuotedCmd, env, FALSE, psei, psei_out);
1465     HeapFree(GetProcessHeap(), 0, wszQuotedCmd);
1466     return retval;
1467 }
1468
1469 static UINT_PTR SHELL_execute_url( LPCWSTR lpFile, LPCWSTR wFile, LPCWSTR wcmd, LPSHELLEXECUTEINFOW psei, LPSHELLEXECUTEINFOW psei_out, SHELL_ExecuteW32 execfunc )
1470 {
1471     static const WCHAR wShell[] = {'\\','s','h','e','l','l','\\',0};
1472     static const WCHAR wCommand[] = {'\\','c','o','m','m','a','n','d',0};
1473     UINT_PTR retval;
1474     WCHAR *lpstrProtocol;
1475     LPCWSTR lpstrRes;
1476     INT iSize;
1477     DWORD len;
1478
1479     lpstrRes = strchrW(lpFile, ':');
1480     if (lpstrRes)
1481         iSize = lpstrRes - lpFile;
1482     else
1483         iSize = strlenW(lpFile);
1484
1485     TRACE("Got URL: %s\n", debugstr_w(lpFile));
1486     /* Looking for ...protocol\shell\lpOperation\command */
1487     len = iSize + lstrlenW(wShell) + lstrlenW(wCommand) + 1;
1488     if (psei->lpVerb)
1489         len += lstrlenW(psei->lpVerb);
1490     else
1491         len += lstrlenW(wszOpen);
1492     lpstrProtocol = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
1493     memcpy(lpstrProtocol, lpFile, iSize*sizeof(WCHAR));
1494     lpstrProtocol[iSize] = '\0';
1495     strcatW(lpstrProtocol, wShell);
1496     strcatW(lpstrProtocol, psei->lpVerb? psei->lpVerb: wszOpen);
1497     strcatW(lpstrProtocol, wCommand);
1498
1499     /* Remove File Protocol from lpFile */
1500     /* In the case file://path/file     */
1501     if (!strncmpiW(lpFile, wFile, iSize))
1502     {
1503         lpFile += iSize;
1504         while (*lpFile == ':') lpFile++;
1505     }
1506     retval = execute_from_key(lpstrProtocol, lpFile, NULL, psei->lpParameters,
1507                               wcmd, execfunc, psei, psei_out);
1508     HeapFree(GetProcessHeap(), 0, lpstrProtocol);
1509     return retval;
1510 }
1511
1512 static void do_error_dialog( UINT_PTR retval, HWND hwnd )
1513 {
1514     WCHAR msg[2048];
1515     int error_code=GetLastError();
1516
1517     if (retval == SE_ERR_NOASSOC)
1518         LoadStringW(shell32_hInstance, IDS_SHLEXEC_NOASSOC, msg, sizeof(msg)/sizeof(WCHAR));
1519     else
1520         FormatMessageW(FORMAT_MESSAGE_FROM_SYSTEM, NULL, error_code, 0, msg, sizeof(msg)/sizeof(WCHAR), NULL);
1521
1522     MessageBoxW(hwnd, msg, NULL, MB_ICONERROR);
1523 }
1524
1525 /*************************************************************************
1526  *      SHELL_execute [Internal]
1527  */
1528 static BOOL SHELL_execute( LPSHELLEXECUTEINFOW sei, SHELL_ExecuteW32 execfunc )
1529 {
1530     static const WCHAR wSpace[] = {' ',0};
1531     static const WCHAR wWww[] = {'w','w','w',0};
1532     static const WCHAR wFile[] = {'f','i','l','e',0};
1533     static const WCHAR wHttp[] = {'h','t','t','p',':','/','/',0};
1534     static const DWORD unsupportedFlags =
1535         SEE_MASK_INVOKEIDLIST  | SEE_MASK_ICON         | SEE_MASK_HOTKEY |
1536         SEE_MASK_CONNECTNETDRV | SEE_MASK_FLAG_DDEWAIT |
1537         SEE_MASK_UNICODE       | SEE_MASK_ASYNCOK      | SEE_MASK_HMONITOR;
1538
1539     WCHAR parametersBuffer[1024], dirBuffer[MAX_PATH], wcmdBuffer[1024];
1540     WCHAR *wszApplicationName, *wszParameters, *wszDir, *wcmd;
1541     DWORD dwApplicationNameLen = MAX_PATH+2;
1542     DWORD parametersLen = sizeof(parametersBuffer) / sizeof(WCHAR);
1543     DWORD dirLen = sizeof(dirBuffer) / sizeof(WCHAR);
1544     DWORD wcmdLen = sizeof(wcmdBuffer) / sizeof(WCHAR);
1545     DWORD len;
1546     SHELLEXECUTEINFOW sei_tmp;  /* modifiable copy of SHELLEXECUTEINFO struct */
1547     WCHAR wfileName[MAX_PATH];
1548     WCHAR *env;
1549     WCHAR lpstrProtocol[256];
1550     LPCWSTR lpFile;
1551     UINT_PTR retval = SE_ERR_NOASSOC;
1552     BOOL appKnownSingular = FALSE;
1553
1554     /* make a local copy of the LPSHELLEXECUTEINFO structure and work with this from now on */
1555     sei_tmp = *sei;
1556
1557     TRACE("mask=0x%08x hwnd=%p verb=%s file=%s parm=%s dir=%s show=0x%08x class=%s\n",
1558             sei_tmp.fMask, sei_tmp.hwnd, debugstr_w(sei_tmp.lpVerb),
1559             debugstr_w(sei_tmp.lpFile), debugstr_w(sei_tmp.lpParameters),
1560             debugstr_w(sei_tmp.lpDirectory), sei_tmp.nShow,
1561             ((sei_tmp.fMask & SEE_MASK_CLASSALL) == SEE_MASK_CLASSNAME) ?
1562                 debugstr_w(sei_tmp.lpClass) : "not used");
1563
1564     sei->hProcess = NULL;
1565
1566     /* make copies of all path/command strings */
1567     if (!sei_tmp.lpFile)
1568     {
1569         wszApplicationName = HeapAlloc(GetProcessHeap(), 0, dwApplicationNameLen*sizeof(WCHAR));
1570         *wszApplicationName = '\0';
1571     }
1572     else if (*sei_tmp.lpFile == '\"')
1573     {
1574         DWORD l = strlenW(sei_tmp.lpFile+1);
1575         if(l >= dwApplicationNameLen) dwApplicationNameLen = l+1;
1576         wszApplicationName = HeapAlloc(GetProcessHeap(), 0, dwApplicationNameLen*sizeof(WCHAR));
1577         memcpy(wszApplicationName, sei_tmp.lpFile+1, (l+1)*sizeof(WCHAR));
1578         if (wszApplicationName[l-1] == '\"')
1579             wszApplicationName[l-1] = '\0';
1580         appKnownSingular = TRUE;
1581         TRACE("wszApplicationName=%s\n",debugstr_w(wszApplicationName));
1582     } else {
1583         DWORD l = strlenW(sei_tmp.lpFile)+1;
1584         if(l > dwApplicationNameLen) dwApplicationNameLen = l+1;
1585         wszApplicationName = HeapAlloc(GetProcessHeap(), 0, dwApplicationNameLen*sizeof(WCHAR));
1586         memcpy(wszApplicationName, sei_tmp.lpFile, l*sizeof(WCHAR));
1587     }
1588
1589     wszParameters = parametersBuffer;
1590     if (sei_tmp.lpParameters)
1591     {
1592         len = lstrlenW(sei_tmp.lpParameters) + 1;
1593         if (len > parametersLen)
1594         {
1595             wszParameters = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
1596             parametersLen = len;
1597         }
1598         strcpyW(wszParameters, sei_tmp.lpParameters);
1599     }
1600     else
1601         *wszParameters = '\0';
1602
1603     wszDir = dirBuffer;
1604     if (sei_tmp.lpDirectory)
1605     {
1606         len = lstrlenW(sei_tmp.lpDirectory) + 1;
1607         if (len > dirLen)
1608         {
1609             wszDir = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
1610             dirLen = len;
1611         }
1612         strcpyW(wszDir, sei_tmp.lpDirectory);
1613     }
1614     else
1615         *wszDir = '\0';
1616
1617     /* adjust string pointers to point to the new buffers */
1618     sei_tmp.lpFile = wszApplicationName;
1619     sei_tmp.lpParameters = wszParameters;
1620     sei_tmp.lpDirectory = wszDir;
1621
1622     if (sei_tmp.fMask & unsupportedFlags)
1623     {
1624         FIXME("flags ignored: 0x%08x\n", sei_tmp.fMask & unsupportedFlags);
1625     }
1626
1627     /* process the IDList */
1628     if (sei_tmp.fMask & SEE_MASK_IDLIST)
1629     {
1630         IShellExecuteHookW* pSEH;
1631
1632         HRESULT hr = SHBindToParent(sei_tmp.lpIDList, &IID_IShellExecuteHookW, (LPVOID*)&pSEH, NULL);
1633
1634         if (SUCCEEDED(hr))
1635         {
1636             hr = IShellExecuteHookW_Execute(pSEH, &sei_tmp);
1637
1638             IShellExecuteHookW_Release(pSEH);
1639
1640             if (hr == S_OK) {
1641                 HeapFree(GetProcessHeap(), 0, wszApplicationName);
1642                 if (wszParameters != parametersBuffer)
1643                     HeapFree(GetProcessHeap(), 0, wszParameters);
1644                 if (wszDir != dirBuffer)
1645                     HeapFree(GetProcessHeap(), 0, wszDir);
1646                 return TRUE;
1647             }
1648         }
1649
1650         SHGetPathFromIDListW(sei_tmp.lpIDList, wszApplicationName);
1651         appKnownSingular = TRUE;
1652         TRACE("-- idlist=%p (%s)\n", sei_tmp.lpIDList, debugstr_w(wszApplicationName));
1653     }
1654
1655     if ( ERROR_SUCCESS == ShellExecute_FromContextMenu( &sei_tmp ) )
1656     {
1657         sei->hInstApp = (HINSTANCE) 33;
1658         HeapFree(GetProcessHeap(), 0, wszApplicationName);
1659         if (wszParameters != parametersBuffer)
1660             HeapFree(GetProcessHeap(), 0, wszParameters);
1661         if (wszDir != dirBuffer)
1662             HeapFree(GetProcessHeap(), 0, wszDir);
1663         return TRUE;
1664     }
1665
1666     if (sei_tmp.fMask & SEE_MASK_CLASSALL)
1667     {
1668         retval = SHELL_execute_class( wszApplicationName, &sei_tmp, sei,
1669                                       execfunc );
1670         if (retval <= 32 && !(sei_tmp.fMask & SEE_MASK_FLAG_NO_UI))
1671             do_error_dialog(retval, sei_tmp.hwnd);
1672         HeapFree(GetProcessHeap(), 0, wszApplicationName);
1673         if (wszParameters != parametersBuffer)
1674             HeapFree(GetProcessHeap(), 0, wszParameters);
1675         if (wszDir != dirBuffer)
1676             HeapFree(GetProcessHeap(), 0, wszDir);
1677         return retval > 32;
1678     }
1679
1680     /* Has the IDList not yet been translated? */
1681     if (sei_tmp.fMask & SEE_MASK_IDLIST)
1682     {
1683         appKnownSingular = SHELL_translate_idlist( &sei_tmp, wszParameters,
1684                                                    parametersLen,
1685                                                    wszApplicationName,
1686                                                    dwApplicationNameLen );
1687     }
1688
1689     /* expand environment strings */
1690     len = ExpandEnvironmentStringsW(sei_tmp.lpFile, NULL, 0);
1691     if (len>0)
1692     {
1693         LPWSTR buf;
1694         buf = HeapAlloc(GetProcessHeap(),0,(len+1)*sizeof(WCHAR));
1695
1696         ExpandEnvironmentStringsW(sei_tmp.lpFile, buf, len+1);
1697         HeapFree(GetProcessHeap(), 0, wszApplicationName);
1698         dwApplicationNameLen = len+1;
1699         wszApplicationName = buf;
1700         /* appKnownSingular unmodified */
1701
1702         sei_tmp.lpFile = wszApplicationName;
1703     }
1704
1705     if (*sei_tmp.lpParameters)
1706     {
1707         len = ExpandEnvironmentStringsW(sei_tmp.lpParameters, NULL, 0);
1708         if (len > 0)
1709         {
1710             LPWSTR buf;
1711             len++;
1712             buf = HeapAlloc(GetProcessHeap(),0,len*sizeof(WCHAR));
1713             ExpandEnvironmentStringsW(sei_tmp.lpParameters, buf, len);
1714             if (wszParameters != parametersBuffer)
1715                 HeapFree(GetProcessHeap(), 0, wszParameters);
1716             wszParameters = buf;
1717             parametersLen = len;
1718             sei_tmp.lpParameters = wszParameters;
1719         }
1720     }
1721
1722     if (*sei_tmp.lpDirectory)
1723     {
1724         len = ExpandEnvironmentStringsW(sei_tmp.lpDirectory, NULL, 0);
1725         if (len > 0)
1726         {
1727             LPWSTR buf;
1728             len++;
1729             buf = HeapAlloc(GetProcessHeap(),0,len*sizeof(WCHAR));
1730             ExpandEnvironmentStringsW(sei_tmp.lpDirectory, buf, len);
1731             if (wszDir != dirBuffer)
1732                 HeapFree(GetProcessHeap(), 0, wszDir);
1733             wszDir = buf;
1734             sei_tmp.lpDirectory = wszDir;
1735         }
1736     }
1737
1738     /* Else, try to execute the filename */
1739     TRACE("execute:%s,%s,%s\n", debugstr_w(wszApplicationName), debugstr_w(wszParameters), debugstr_w(wszDir));
1740
1741     /* separate out command line arguments from executable file name */
1742     if (!*sei_tmp.lpParameters && !appKnownSingular) {
1743         /* If the executable path is quoted, handle the rest of the command line as parameters. */
1744         if (sei_tmp.lpFile[0] == '"') {
1745             LPWSTR src = wszApplicationName/*sei_tmp.lpFile*/ + 1;
1746             LPWSTR dst = wfileName;
1747             LPWSTR end;
1748
1749             /* copy the unquoted executable path to 'wfileName' */
1750             while(*src && *src!='"')
1751                 *dst++ = *src++;
1752
1753             *dst = '\0';
1754
1755             if (*src == '"') {
1756                 end = ++src;
1757
1758                 while(isspace(*src))
1759                     ++src;
1760             } else
1761                 end = src;
1762
1763             /* copy the parameter string to 'wszParameters' */
1764             strcpyW(wszParameters, src);
1765
1766             /* terminate previous command string after the quote character */
1767             *end = '\0';
1768         }
1769         else
1770         {
1771             /* If the executable name is not quoted, we have to use this search loop here,
1772                that in CreateProcess() is not sufficient because it does not handle shell links. */
1773             WCHAR buffer[MAX_PATH], xlpFile[MAX_PATH];
1774             LPWSTR space, s;
1775
1776             LPWSTR beg = wszApplicationName/*sei_tmp.lpFile*/;
1777             for(s=beg; (space=strchrW(s, ' ')); s=space+1) {
1778                 int idx = space-sei_tmp.lpFile;
1779                 memcpy(buffer, sei_tmp.lpFile, idx * sizeof(WCHAR));
1780                 buffer[idx] = '\0';
1781
1782                 /*FIXME This finds directory paths if the targeted file name contains spaces. */
1783                 if (SearchPathW(*sei_tmp.lpDirectory? sei_tmp.lpDirectory: NULL, buffer, wszExe, sizeof(xlpFile)/sizeof(xlpFile[0]), xlpFile, NULL))
1784                 {
1785                     /* separate out command from parameter string */
1786                     LPCWSTR p = space + 1;
1787
1788                     while(isspaceW(*p))
1789                         ++p;
1790
1791                     strcpyW(wszParameters, p);
1792                     *space = '\0';
1793
1794                     break;
1795                 }
1796             }
1797
1798            lstrcpynW(wfileName, sei_tmp.lpFile,sizeof(wfileName)/sizeof(WCHAR));
1799         }
1800     } else
1801        lstrcpynW(wfileName, sei_tmp.lpFile,sizeof(wfileName)/sizeof(WCHAR));
1802
1803     lpFile = wfileName;
1804
1805     wcmd = wcmdBuffer;
1806     len = lstrlenW(wszApplicationName) + 1;
1807     if (sei_tmp.lpParameters[0])
1808         len += 1 + lstrlenW(wszParameters);
1809     if (len > wcmdLen)
1810     {
1811         wcmd = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
1812         wcmdLen = len;
1813     }
1814     strcpyW(wcmd, wszApplicationName);
1815     if (sei_tmp.lpParameters[0]) {
1816         strcatW(wcmd, wSpace);
1817         strcatW(wcmd, wszParameters);
1818     }
1819
1820     retval = execfunc(wcmd, NULL, FALSE, &sei_tmp, sei);
1821     if (retval > 32) {
1822         HeapFree(GetProcessHeap(), 0, wszApplicationName);
1823         if (wszParameters != parametersBuffer)
1824             HeapFree(GetProcessHeap(), 0, wszParameters);
1825         if (wszDir != dirBuffer)
1826             HeapFree(GetProcessHeap(), 0, wszDir);
1827         if (wcmd != wcmdBuffer)
1828             HeapFree(GetProcessHeap(), 0, wcmd);
1829         return TRUE;
1830     }
1831
1832     /* Else, try to find the executable */
1833     wcmd[0] = '\0';
1834     retval = SHELL_FindExecutable(sei_tmp.lpDirectory, lpFile, sei_tmp.lpVerb, wcmd, wcmdLen, lpstrProtocol, &env, sei_tmp.lpIDList, sei_tmp.lpParameters);
1835     if (retval > 32)  /* Found */
1836     {
1837         retval = SHELL_quote_and_execute( wcmd, wszParameters, lpstrProtocol,
1838                                           wszApplicationName, env, &sei_tmp,
1839                                           sei, execfunc );
1840         HeapFree( GetProcessHeap(), 0, env );
1841     }
1842     else if (PathIsDirectoryW(lpFile))
1843     {
1844         static const WCHAR wExplorer[] = {'e','x','p','l','o','r','e','r',0};
1845         static const WCHAR wQuote[] = {'"',0};
1846         WCHAR wExec[MAX_PATH];
1847         WCHAR * lpQuotedFile = HeapAlloc( GetProcessHeap(), 0, sizeof(WCHAR) * (strlenW(lpFile) + 3) );
1848
1849         if (lpQuotedFile)
1850         {
1851             retval = SHELL_FindExecutable( sei_tmp.lpDirectory, wExplorer,
1852                                            wszOpen, wExec, MAX_PATH,
1853                                            NULL, &env, NULL, NULL );
1854             if (retval > 32)
1855             {
1856                 strcpyW(lpQuotedFile, wQuote);
1857                 strcatW(lpQuotedFile, lpFile);
1858                 strcatW(lpQuotedFile, wQuote);
1859                 retval = SHELL_quote_and_execute( wExec, lpQuotedFile,
1860                                                   lpstrProtocol,
1861                                                   wszApplicationName, env,
1862                                                   &sei_tmp, sei, execfunc );
1863                 HeapFree( GetProcessHeap(), 0, env );
1864             }
1865             HeapFree( GetProcessHeap(), 0, lpQuotedFile );
1866         }
1867         else
1868             retval = 0; /* Out of memory */
1869     }
1870     else if (PathIsURLW(lpFile))    /* File not found, check for URL */
1871     {
1872         retval = SHELL_execute_url( lpFile, wFile, wcmd, &sei_tmp, sei, execfunc );
1873     }
1874     /* Check if file specified is in the form www.??????.*** */
1875     else if (!strncmpiW(lpFile, wWww, 3))
1876     {
1877         /* if so, append lpFile http:// and call ShellExecute */
1878         WCHAR lpstrTmpFile[256];
1879         strcpyW(lpstrTmpFile, wHttp);
1880         strcatW(lpstrTmpFile, lpFile);
1881         retval = (UINT_PTR)ShellExecuteW(sei_tmp.hwnd, sei_tmp.lpVerb, lpstrTmpFile, NULL, NULL, 0);
1882     }
1883
1884     TRACE("retval %lu\n", retval);
1885
1886     HeapFree(GetProcessHeap(), 0, wszApplicationName);
1887     if (wszParameters != parametersBuffer)
1888         HeapFree(GetProcessHeap(), 0, wszParameters);
1889     if (wszDir != dirBuffer)
1890         HeapFree(GetProcessHeap(), 0, wszDir);
1891     if (wcmd != wcmdBuffer)
1892         HeapFree(GetProcessHeap(), 0, wcmd);
1893
1894     sei->hInstApp = (HINSTANCE)(retval > 32 ? 33 : retval);
1895
1896     if (retval <= 32 && !(sei_tmp.fMask & SEE_MASK_FLAG_NO_UI))
1897         do_error_dialog(retval, sei_tmp.hwnd);
1898     return retval > 32;
1899 }
1900
1901 /*************************************************************************
1902  * ShellExecuteA                        [SHELL32.290]
1903  */
1904 HINSTANCE WINAPI ShellExecuteA(HWND hWnd, LPCSTR lpOperation,LPCSTR lpFile,
1905                                LPCSTR lpParameters,LPCSTR lpDirectory, INT iShowCmd)
1906 {
1907     SHELLEXECUTEINFOA sei;
1908
1909     TRACE("%p,%s,%s,%s,%s,%d\n",
1910           hWnd, debugstr_a(lpOperation), debugstr_a(lpFile),
1911           debugstr_a(lpParameters), debugstr_a(lpDirectory), iShowCmd);
1912
1913     sei.cbSize = sizeof(sei);
1914     sei.fMask = SEE_MASK_FLAG_NO_UI;
1915     sei.hwnd = hWnd;
1916     sei.lpVerb = lpOperation;
1917     sei.lpFile = lpFile;
1918     sei.lpParameters = lpParameters;
1919     sei.lpDirectory = lpDirectory;
1920     sei.nShow = iShowCmd;
1921     sei.lpIDList = 0;
1922     sei.lpClass = 0;
1923     sei.hkeyClass = 0;
1924     sei.dwHotKey = 0;
1925     sei.hProcess = 0;
1926
1927     ShellExecuteExA (&sei);
1928     return sei.hInstApp;
1929 }
1930
1931 /*************************************************************************
1932  * ShellExecuteExA                              [SHELL32.292]
1933  *
1934  */
1935 BOOL WINAPI DECLSPEC_HOTPATCH ShellExecuteExA (LPSHELLEXECUTEINFOA sei)
1936 {
1937     SHELLEXECUTEINFOW seiW;
1938     BOOL ret;
1939     WCHAR *wVerb = NULL, *wFile = NULL, *wParameters = NULL, *wDirectory = NULL, *wClass = NULL;
1940
1941     TRACE("%p\n", sei);
1942
1943     memcpy(&seiW, sei, sizeof(SHELLEXECUTEINFOW));
1944
1945     if (sei->lpVerb)
1946         seiW.lpVerb = __SHCloneStrAtoW(&wVerb, sei->lpVerb);
1947
1948     if (sei->lpFile)
1949         seiW.lpFile = __SHCloneStrAtoW(&wFile, sei->lpFile);
1950
1951     if (sei->lpParameters)
1952         seiW.lpParameters = __SHCloneStrAtoW(&wParameters, sei->lpParameters);
1953
1954     if (sei->lpDirectory)
1955         seiW.lpDirectory = __SHCloneStrAtoW(&wDirectory, sei->lpDirectory);
1956
1957     if ((sei->fMask & SEE_MASK_CLASSALL) == SEE_MASK_CLASSNAME && sei->lpClass)
1958         seiW.lpClass = __SHCloneStrAtoW(&wClass, sei->lpClass);
1959     else
1960         seiW.lpClass = NULL;
1961
1962     ret = SHELL_execute( &seiW, SHELL_ExecuteW );
1963
1964     sei->hInstApp = seiW.hInstApp;
1965
1966     if (sei->fMask & SEE_MASK_NOCLOSEPROCESS)
1967         sei->hProcess = seiW.hProcess;
1968
1969     SHFree(wVerb);
1970     SHFree(wFile);
1971     SHFree(wParameters);
1972     SHFree(wDirectory);
1973     SHFree(wClass);
1974
1975     return ret;
1976 }
1977
1978 /*************************************************************************
1979  * ShellExecuteExW                              [SHELL32.293]
1980  *
1981  */
1982 BOOL WINAPI DECLSPEC_HOTPATCH ShellExecuteExW (LPSHELLEXECUTEINFOW sei)
1983 {
1984     return SHELL_execute( sei, SHELL_ExecuteW );
1985 }
1986
1987 /*************************************************************************
1988  * ShellExecuteW                        [SHELL32.294]
1989  * from shellapi.h
1990  * WINSHELLAPI HINSTANCE APIENTRY ShellExecuteW(HWND hwnd, LPCWSTR lpOperation,
1991  * LPCWSTR lpFile, LPCWSTR lpParameters, LPCWSTR lpDirectory, INT nShowCmd);
1992  */
1993 HINSTANCE WINAPI ShellExecuteW(HWND hwnd, LPCWSTR lpOperation, LPCWSTR lpFile,
1994                                LPCWSTR lpParameters, LPCWSTR lpDirectory, INT nShowCmd)
1995 {
1996     SHELLEXECUTEINFOW sei;
1997
1998     TRACE("\n");
1999     sei.cbSize = sizeof(sei);
2000     sei.fMask = SEE_MASK_FLAG_NO_UI;
2001     sei.hwnd = hwnd;
2002     sei.lpVerb = lpOperation;
2003     sei.lpFile = lpFile;
2004     sei.lpParameters = lpParameters;
2005     sei.lpDirectory = lpDirectory;
2006     sei.nShow = nShowCmd;
2007     sei.lpIDList = 0;
2008     sei.lpClass = 0;
2009     sei.hkeyClass = 0;
2010     sei.dwHotKey = 0;
2011     sei.hProcess = 0;
2012
2013     SHELL_execute( &sei, SHELL_ExecuteW );
2014     return sei.hInstApp;
2015 }
2016
2017 /*************************************************************************
2018  * WOWShellExecute                      [SHELL32.@]
2019  *
2020  * FIXME: the callback function most likely doesn't work the same way on Windows.
2021  */
2022 HINSTANCE WINAPI WOWShellExecute(HWND hWnd, LPCSTR lpOperation,LPCSTR lpFile,
2023                                  LPCSTR lpParameters,LPCSTR lpDirectory, INT iShowCmd, void *callback)
2024 {
2025     SHELLEXECUTEINFOW seiW;
2026     WCHAR *wVerb = NULL, *wFile = NULL, *wParameters = NULL, *wDirectory = NULL;
2027     HANDLE hProcess = 0;
2028
2029     seiW.lpVerb = lpOperation ? __SHCloneStrAtoW(&wVerb, lpOperation) : NULL;
2030     seiW.lpFile = lpFile ? __SHCloneStrAtoW(&wFile, lpFile) : NULL;
2031     seiW.lpParameters = lpParameters ? __SHCloneStrAtoW(&wParameters, lpParameters) : NULL;
2032     seiW.lpDirectory = lpDirectory ? __SHCloneStrAtoW(&wDirectory, lpDirectory) : NULL;
2033
2034     seiW.cbSize = sizeof(seiW);
2035     seiW.fMask = 0;
2036     seiW.hwnd = hWnd;
2037     seiW.nShow = iShowCmd;
2038     seiW.lpIDList = 0;
2039     seiW.lpClass = 0;
2040     seiW.hkeyClass = 0;
2041     seiW.dwHotKey = 0;
2042     seiW.hProcess = hProcess;
2043
2044     SHELL_execute( &seiW, callback );
2045
2046     SHFree(wVerb);
2047     SHFree(wFile);
2048     SHFree(wParameters);
2049     SHFree(wDirectory);
2050     return seiW.hInstApp;
2051 }
2052
2053 /*************************************************************************
2054  * OpenAs_RunDLLA          [SHELL32.@]
2055  */
2056 void WINAPI OpenAs_RunDLLA(HWND hwnd, HINSTANCE hinst, LPCSTR cmdline, int cmdshow)
2057 {
2058     FIXME("%p, %p, %s, %d\n", hwnd, hinst, debugstr_a(cmdline), cmdshow);
2059 }
2060
2061 /*************************************************************************
2062  * OpenAs_RunDLLW          [SHELL32.@]
2063  */
2064 void WINAPI OpenAs_RunDLLW(HWND hwnd, HINSTANCE hinst, LPCWSTR cmdline, int cmdshow)
2065 {
2066     FIXME("%p, %p, %s, %d\n", hwnd, hinst, debugstr_w(cmdline), cmdshow);
2067 }