dlls/shell32/shlexec.c

   1 /*
   2  *                              Shell Library Functions
   3  *
   4  * Copyright 1998 Marcus Meissner
   5  * Copyright 2002 Eric Pouech
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  */
  21
  22 #include "config.h"
  23 #include "wine/port.h"
  24
  25 #include <stdlib.h>
  26 #include <string.h>
  27 #include <stdarg.h>
  28 #include <stdio.h>
  29 #ifdef HAVE_UNISTD_H
  30 # include <unistd.h>
  31 #endif
  32 #include <ctype.h>
  33 #include <assert.h>
  34
  35 #define COBJMACROS
  36
  37 #include "windef.h"
  38 #include "winbase.h"
  39 #include "winerror.h"
  40 #include "winreg.h"
  41 #include "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 #define SEE_MASK_CLASSALL (SEE_MASK_CLASSNAME | SEE_MASK_CLASSKEY)
  61
  62
  63 /***********************************************************************
  64  *      SHELL_ArgifyW [Internal]
  65  *
  66  * this function is supposed to expand the escape sequences found in the registry
  67  * some diving reported that the following were used:
  68  * + %1, %2...  seem to report to parameter of index N in ShellExecute pmts
  69  *      %1 file
  70  *      %2 printer
  71  *      %3 driver
  72  *      %4 port
  73  * %I address of a global item ID (explorer switch /idlist)
  74  * %L seems to be %1 as long filename followed by the 8+3 variation
  75  * %S ???
  76  * %* all following parameters (see batfile)
  77  *
  78  * FIXME: use 'len'
  79  * FIXME: Careful of going over string boundaries. No checking is done to 'res'...
  80  */
  81 static BOOL SHELL_ArgifyW(WCHAR* out, int len, const WCHAR* fmt, const WCHAR* lpFile, LPITEMIDLIST pidl, LPCWSTR args)
  82 {
  83     WCHAR   xlpFile[1024];
  84     BOOL    done = FALSE;
  85     BOOL    found_p1 = FALSE;
  86     PWSTR   res = out;
  87     PCWSTR  cmd;
  88     LPVOID  pv;
  89
  90     TRACE("%p, %d, %s, %s, %p, %p\n", out, len, debugstr_w(fmt),
  91           debugstr_w(lpFile), pidl, args);
  92
  93     while (*fmt)
  94     {
  95         if (*fmt == '%')
  96         {
  97             switch (*++fmt)
  98             {
  99             case '\0':
 100             case '%':
 101                 *res++ = '%';
 102                 break;
 103
 104             case '2':
 105             case '3':
 106             case '4':
 107             case '5':
 108             case '6':
 109             case '7':
 110             case '8':
 111             case '9':
 112             case '0':
 113             case '*':
 114                 if (args)
 115                 {
 116                     if (*fmt == '*')
 117                     {
 118                         *res++ = '"';
 119                         while(*args)
 120                             *res++ = *args++;
 121                         *res++ = '"';
 122                     }
 123                     else
 124                     {
 125                         while(*args && !isspace(*args))
 126                             *res++ = *args++;
 127
 128                         while(isspace(*args))
 129                             ++args;
 130                     }
 131                     break;
 132                 }
 133                 /* else fall through */
 134             case '1':
 135                 if (!done || (*fmt == '1'))
 136                 {
 137                     /*FIXME Is the call to SearchPathW() really needed? We already have separated out the parameter string in args. */
 138                     if (SearchPathW(NULL, lpFile, wszExe, sizeof(xlpFile)/sizeof(WCHAR), xlpFile, NULL))
 139                         cmd = xlpFile;
 140                     else
 141                         cmd = lpFile;
 142
 143                     /* Add double quotation marks unless we already have them
 144                        (e.g.: "file://%1" %* for exefile) or unless the arg is already
 145                        enclosed in double quotation marks */
 146                     if ((res == out || *(fmt + 1) != '"') && *cmd != '"')
 147                     {
 148                         *res++ = '"';
 149                         strcpyW(res, cmd);
 150                         res += strlenW(cmd);
 151                         *res++ = '"';
 152                     }
 153                     else
 154                     {
 155                         strcpyW(res, cmd);
 156                         res += strlenW(cmd);
 157                     }
 158                 }
 159                 found_p1 = TRUE;
 160                 break;
 161
 162             /*
 163              * IE uses this a lot for activating things such as windows media
 164              * player. This is not verified to be fully correct but it appears
 165              * to work just fine.
 166              */
 167             case 'l':
 168             case 'L':
 169                 if (lpFile) {
 170                     strcpyW(res, lpFile);
 171                     res += strlenW(lpFile);
 172                 }
 173                 found_p1 = TRUE;
 174                 break;
 175
 176             case 'i':
 177             case 'I':
 178                 if (pidl) {
 179                     HGLOBAL hmem = SHAllocShared(pidl, ILGetSize(pidl), 0);
 180                     pv = SHLockShared(hmem, 0);
 181                     res += sprintfW(res, wszILPtr, pv);
 182                     SHUnlockShared(pv);
 183                 }
 184                 found_p1 = TRUE;
 185                 break;
 186
 187             default:
 188                 /*
 189                  * Check if this is an env-variable here...
 190                  */
 191
 192                 /* Make sure that we have at least one more %.*/
 193                 if (strchrW(fmt, '%'))
 194                 {
 195                     WCHAR   tmpBuffer[1024];
 196                     PWSTR   tmpB = tmpBuffer;
 197                     WCHAR   tmpEnvBuff[MAX_PATH];
 198                     DWORD   envRet;
 199
 200                     while (*fmt != '%')
 201                         *tmpB++ = *fmt++;
 202                     *tmpB++ = 0;
 203
 204                     TRACE("Checking %s to be an env-var\n", debugstr_w(tmpBuffer));
 205
 206                     envRet = GetEnvironmentVariableW(tmpBuffer, tmpEnvBuff, MAX_PATH);
 207                     if (envRet == 0 || envRet > MAX_PATH)
 208                         strcpyW( res, tmpBuffer );
 209                     else
 210                         strcpyW( res, tmpEnvBuff );
 211                     res += strlenW(res);
 212                 }
 213                 done = TRUE;
 214                 break;
 215             }
 216             /* Don't skip past terminator (catch a single '%' at the end) */
 217             if (*fmt != '\0')
 218             {
 219                 fmt++;
 220             }
 221         }
 222         else
 223             *res++ = *fmt++;
 224     }
 225
 226     *res = '\0';
 227
 228     return found_p1;
 229 }
 230
 231 HRESULT SHELL_GetPathFromIDListForExecuteA(LPCITEMIDLIST pidl, LPSTR pszPath, UINT uOutSize)
 232 {
 233     STRRET strret;
 234     IShellFolder* desktop;
 235
 236     HRESULT hr = SHGetDesktopFolder(&desktop);
 237
 238     if (SUCCEEDED(hr)) {
 239         hr = IShellFolder_GetDisplayNameOf(desktop, pidl, SHGDN_FORPARSING, &strret);
 240
 241         if (SUCCEEDED(hr))
 242             StrRetToStrNA(pszPath, uOutSize, &strret, pidl);
 243
 244         IShellFolder_Release(desktop);
 245     }
 246
 247     return hr;
 248 }
 249
 250 HRESULT SHELL_GetPathFromIDListForExecuteW(LPCITEMIDLIST pidl, LPWSTR pszPath, UINT uOutSize)
 251 {
 252     STRRET strret;
 253     IShellFolder* desktop;
 254
 255     HRESULT hr = SHGetDesktopFolder(&desktop);
 256
 257     if (SUCCEEDED(hr)) {
 258         hr = IShellFolder_GetDisplayNameOf(desktop, pidl, SHGDN_FORPARSING, &strret);
 259
 260         if (SUCCEEDED(hr))
 261             StrRetToStrNW(pszPath, uOutSize, &strret, pidl);
 262
 263         IShellFolder_Release(desktop);
 264     }
 265
 266     return hr;
 267 }
 268
 269 /*************************************************************************
 270  *      SHELL_ExecuteW [Internal]
 271  *
 272  */
 273 static UINT_PTR SHELL_ExecuteW(const WCHAR *lpCmd, WCHAR *env, BOOL shWait,
 274                             LPSHELLEXECUTEINFOW psei, LPSHELLEXECUTEINFOW psei_out)
 275 {
 276     STARTUPINFOW  startup;
 277     PROCESS_INFORMATION info;
 278     UINT_PTR retval = 31;
 279     UINT gcdret = 0;
 280     WCHAR curdir[MAX_PATH];
 281
 282     TRACE("Execute %s from directory %s\n", debugstr_w(lpCmd), debugstr_w(psei->lpDirectory));
 283     /* ShellExecute specifies the command from psei->lpDirectory
 284      * if present. Not from the current dir as CreateProcess does */
 285     if( psei->lpDirectory && psei->lpDirectory[0] )
 286         if( ( gcdret = GetCurrentDirectoryW( MAX_PATH, curdir)))
 287             if( !SetCurrentDirectoryW( psei->lpDirectory))
 288                 ERR("cannot set directory %s\n", debugstr_w(psei->lpDirectory));
 289     ZeroMemory(&startup,sizeof(STARTUPINFOW));
 290     startup.cb = sizeof(STARTUPINFOW);
 291     startup.dwFlags = STARTF_USESHOWWINDOW;
 292     startup.wShowWindow = psei->nShow;
 293     if (CreateProcessW(NULL, (LPWSTR)lpCmd, NULL, NULL, FALSE, CREATE_UNICODE_ENVIRONMENT,
 294                        env, *psei->lpDirectory? psei->lpDirectory: NULL, &startup, &info))
 295     {
 296         /* Give 30 seconds to the app to come up, if desired. Probably only needed
 297            when starting app immediately before making a DDE connection. */
 298         if (shWait)
 299             if (WaitForInputIdle( info.hProcess, 30000 ) == WAIT_FAILED)
 300                 WARN("WaitForInputIdle failed: Error %ld\n", GetLastError() );
 301         retval = 33;
 302         if (psei->fMask & SEE_MASK_NOCLOSEPROCESS)
 303             psei_out->hProcess = info.hProcess;
 304         else
 305             CloseHandle( info.hProcess );
 306         CloseHandle( info.hThread );
 307     }
 308     else if ((retval = GetLastError()) >= 32)
 309     {
 310         TRACE("CreateProcess returned error %d\n", retval);
 311         retval = ERROR_BAD_FORMAT;
 312     }
 313
 314     TRACE("returning %u\n", retval);
 315
 316     psei_out->hInstApp = (HINSTANCE)retval;
 317     if( gcdret )
 318         if( !SetCurrentDirectoryW( curdir))
 319             ERR("cannot return to directory %s\n", debugstr_w(curdir));
 320
 321     return retval;
 322 }
 323
 324
 325 /***********************************************************************
 326  *           SHELL_BuildEnvW    [Internal]
 327  *
 328  * Build the environment for the new process, adding the specified
 329  * path to the PATH variable. Returned pointer must be freed by caller.
 330  */
 331 static void *SHELL_BuildEnvW( const WCHAR *path )
 332 {
 333     static const WCHAR wPath[] = {'P','A','T','H','=',0};
 334     WCHAR *strings, *new_env;
 335     WCHAR *p, *p2;
 336     int total = strlenW(path) + 1;
 337     BOOL got_path = FALSE;
 338
 339     if (!(strings = GetEnvironmentStringsW())) return NULL;
 340     p = strings;
 341     while (*p)
 342     {
 343         int len = strlenW(p) + 1;
 344         if (!strncmpiW( p, wPath, 5 )) got_path = TRUE;
 345         total += len;
 346         p += len;
 347     }
 348     if (!got_path) total += 5;  /* we need to create PATH */
 349     total++;  /* terminating null */
 350
 351     if (!(new_env = HeapAlloc( GetProcessHeap(), 0, total * sizeof(WCHAR) )))
 352     {
 353         FreeEnvironmentStringsW( strings );
 354         return NULL;
 355     }
 356     p = strings;
 357     p2 = new_env;
 358     while (*p)
 359     {
 360         int len = strlenW(p) + 1;
 361         memcpy( p2, p, len * sizeof(WCHAR) );
 362         if (!strncmpiW( p, wPath, 5 ))
 363         {
 364             p2[len - 1] = ';';
 365             strcpyW( p2 + len, path );
 366             p2 += strlenW(path) + 1;
 367         }
 368         p += len;
 369         p2 += len;
 370     }
 371     if (!got_path)
 372     {
 373         strcpyW( p2, wPath );
 374         strcatW( p2, path );
 375         p2 += strlenW(p2) + 1;
 376     }
 377     *p2 = 0;
 378     FreeEnvironmentStringsW( strings );
 379     return new_env;
 380 }
 381
 382
 383 /***********************************************************************
 384  *           SHELL_TryAppPathW  [Internal]
 385  *
 386  * Helper function for SHELL_FindExecutable
 387  * @param lpResult - pointer to a buffer of size MAX_PATH
 388  * On entry: szName is a filename (probably without path separators).
 389  * On exit: if szName found in "App Path", place full path in lpResult, and return true
 390  */
 391 static BOOL SHELL_TryAppPathW( LPCWSTR szName, LPWSTR lpResult, WCHAR **env)
 392 {
 393     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',
 394         '\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\','A','p','p',' ','P','a','t','h','s','\\',0};
 395     static const WCHAR wPath[] = {'P','a','t','h',0};
 396     HKEY hkApp = 0;
 397     WCHAR buffer[1024];
 398     LONG len;
 399     LONG res;
 400     BOOL found = FALSE;
 401
 402     if (env) *env = NULL;
 403     strcpyW(buffer, wszKeyAppPaths);
 404     strcatW(buffer, szName);
 405     res = RegOpenKeyExW(HKEY_LOCAL_MACHINE, buffer, 0, KEY_READ, &hkApp);
 406     if (res) goto end;
 407
 408     len = MAX_PATH*sizeof(WCHAR);
 409     res = RegQueryValueW(hkApp, NULL, lpResult, &len);
 410     if (res) goto end;
 411     found = TRUE;
 412
 413     if (env)
 414     {
 415         DWORD count = sizeof(buffer);
 416         if (!RegQueryValueExW(hkApp, wPath, NULL, NULL, (LPBYTE)buffer, &count) && buffer[0])
 417             *env = SHELL_BuildEnvW( buffer );
 418     }
 419
 420 end:
 421     if (hkApp) RegCloseKey(hkApp);
 422     return found;
 423 }
 424
 425 static UINT SHELL_FindExecutableByOperation(LPCWSTR lpPath, LPCWSTR lpFile, LPCWSTR lpOperation, LPWSTR key, LPWSTR filetype, LPWSTR command, LONG commandlen)
 426 {
 427     static const WCHAR wCommand[] = {'\\','c','o','m','m','a','n','d',0};
 428
 429     /* Looking for ...buffer\shell\<verb>\command */
 430     strcatW(filetype, wszShell);
 431     strcatW(filetype, lpOperation);
 432     strcatW(filetype, wCommand);
 433
 434     if (RegQueryValueW(HKEY_CLASSES_ROOT, filetype, command,
 435                        &commandlen) == ERROR_SUCCESS)
 436     {
 437         commandlen /= sizeof(WCHAR);
 438         if (key) strcpyW(key, filetype);
 439 #if 0
 440         LPWSTR tmp;
 441         WCHAR param[256];
 442         LONG paramlen = sizeof(param);
 443         static const WCHAR wSpace[] = {' ',0};
 444
 445         /* FIXME: it seems all Windows version don't behave the same here.
 446          * the doc states that this ddeexec information can be found after
 447          * the exec names.
 448          * on Win98, it doesn't appear, but I think it does on Win2k
 449          */
 450         /* Get the parameters needed by the application
 451            from the associated ddeexec key */
 452         tmp = strstrW(filetype, wCommand);
 453         tmp[0] = '\0';
 454         strcatW(filetype, wDdeexec);
 455         if (RegQueryValueW(HKEY_CLASSES_ROOT, filetype, param,
 456                                      &paramlen) == ERROR_SUCCESS)
 457         {
 458             paramlen /= sizeof(WCHAR);
 459             strcatW(command, wSpace);
 460             strcatW(command, param);
 461             commandlen += paramlen;
 462         }
 463 #endif
 464
 465         command[commandlen] = '\0';
 466
 467         return 33; /* FIXME see SHELL_FindExecutable() */
 468     }
 469
 470     return 31;  /* default - 'No association was found' */
 471 }
 472
 473 /*************************************************************************
 474  *      SHELL_FindExecutable [Internal]
 475  *
 476  * Utility for code sharing between FindExecutable and ShellExecute
 477  * in:
 478  *      lpFile the name of a file
 479  *      lpOperation the operation on it (open)
 480  * out:
 481  *      lpResult a buffer, big enough :-(, to store the command to do the
 482  *              operation on the file
 483  *      key a buffer, big enough, to get the key name to do actually the
 484  *              command (it'll be used afterwards for more information
 485  *              on the operation)
 486  */
 487 UINT SHELL_FindExecutable(LPCWSTR lpPath, LPCWSTR lpFile, LPCWSTR lpOperation,
 488                                  LPWSTR lpResult, int resultLen, LPWSTR key, WCHAR **env, LPITEMIDLIST pidl, LPCWSTR args)
 489 {
 490     static const WCHAR wWindows[] = {'w','i','n','d','o','w','s',0};
 491     static const WCHAR wPrograms[] = {'p','r','o','g','r','a','m','s',0};
 492     static const WCHAR wExtensions[] = {'e','x','e',' ','p','i','f',' ','b','a','t',' ','c','m','d',' ','c','o','m',0};
 493     WCHAR *extension = NULL; /* pointer to file extension */
 494     WCHAR filetype[256];     /* registry name for this filetype */
 495     LONG  filetypelen = sizeof(filetype); /* length of above */
 496     WCHAR command[1024];     /* command from registry */
 497     WCHAR wBuffer[256];      /* Used to GetProfileString */
 498     UINT  retval = 31;       /* default - 'No association was found' */
 499     WCHAR *tok;              /* token pointer */
 500     WCHAR xlpFile[256];      /* result of SearchPath */
 501     DWORD attribs;           /* file attributes */
 502
 503     TRACE("%s\n", (lpFile != NULL) ? debugstr_w(lpFile) : "-");
 504
 505     xlpFile[0] = '\0';
 506     lpResult[0] = '\0'; /* Start off with an empty return string */
 507     if (key) *key = '\0';
 508
 509     /* trap NULL parameters on entry */
 510     if ((lpFile == NULL) || (lpResult == NULL) || (lpOperation == NULL))
 511     {
 512         WARN("(lpFile=%s,lpResult=%s,lpOperation=%s): NULL parameter\n",
 513              debugstr_w(lpFile), debugstr_w(lpOperation), debugstr_w(lpResult));
 514         return 2; /* File not found. Close enough, I guess. */
 515     }
 516
 517     if (SHELL_TryAppPathW( lpFile, lpResult, env ))
 518     {
 519         TRACE("found %s via App Paths\n", debugstr_w(lpResult));
 520         return 33;
 521     }
 522
 523     if (SearchPathW(lpPath, lpFile, wszExe, sizeof(xlpFile)/sizeof(WCHAR), xlpFile, NULL))
 524     {
 525         TRACE("SearchPathW returned non-zero\n");
 526         lpFile = xlpFile;
 527         /* Hey, isn't this value ignored?  Why make this call?  Shouldn't we return here?  --dank*/
 528     }
 529
 530     attribs = GetFileAttributesW(lpFile);
 531     if (attribs!=INVALID_FILE_ATTRIBUTES && (attribs&FILE_ATTRIBUTE_DIRECTORY))
 532     {
 533        strcpyW(filetype, wszFolder);
 534        filetypelen = 6;    /* strlen("Folder") */
 535     }
 536     else
 537     {
 538         /* First thing we need is the file's extension */
 539         extension = strrchrW(xlpFile, '.'); /* Assume last "." is the one; */
 540         /* File->Run in progman uses */
 541         /* .\FILE.EXE :( */
 542         TRACE("xlpFile=%s,extension=%s\n", debugstr_w(xlpFile), debugstr_w(extension));
 543
 544         if (extension == NULL || extension[1]==0)
 545         {
 546             WARN("Returning 31 - No association\n");
 547             return 31; /* no association */
 548         }
 549
 550         /* Three places to check: */
 551         /* 1. win.ini, [windows], programs (NB no leading '.') */
 552         /* 2. Registry, HKEY_CLASS_ROOT\<filetype>\shell\open\command */
 553         /* 3. win.ini, [extensions], extension (NB no leading '.' */
 554         /* All I know of the order is that registry is checked before */
 555         /* extensions; however, it'd make sense to check the programs */
 556         /* section first, so that's what happens here. */
 557
 558         /* See if it's a program - if GetProfileString fails, we skip this
 559          * section. Actually, if GetProfileString fails, we've probably
 560          * got a lot more to worry about than running a program... */
 561         if (GetProfileStringW(wWindows, wPrograms, wExtensions, wBuffer, sizeof(wBuffer)/sizeof(WCHAR)) > 0)
 562         {
 563             CharLowerW(wBuffer);
 564             tok = wBuffer;
 565             while (*tok)
 566             {
 567                 WCHAR *p = tok;
 568                 while (*p && *p != ' ' && *p != '\t') p++;
 569                 if (*p)
 570                 {
 571                     *p++ = 0;
 572                     while (*p == ' ' || *p == '\t') p++;
 573                 }
 574
 575                 if (strcmpiW(tok, &extension[1]) == 0) /* have to skip the leading "." */
 576                 {
 577                     strcpyW(lpResult, xlpFile);
 578                     /* Need to perhaps check that the file has a path
 579                      * attached */
 580                     TRACE("found %s\n", debugstr_w(lpResult));
 581                     return 33;
 582
 583                     /* Greater than 32 to indicate success FIXME According to the
 584                      * docs, I should be returning a handle for the
 585                      * executable. Does this mean I'm supposed to open the
 586                      * executable file or something? More RTFM, I guess... */
 587                 }
 588                 tok = p;
 589             }
 590         }
 591
 592         /* Check registry */
 593         if (RegQueryValueW(HKEY_CLASSES_ROOT, extension, filetype,
 594                            &filetypelen) == ERROR_SUCCESS)
 595         {
 596             filetypelen /= sizeof(WCHAR);
 597             filetype[filetypelen] = '\0';
 598             TRACE("File type: %s\n", debugstr_w(filetype));
 599         }
 600     }
 601
 602     if (*filetype)
 603     {
 604         if (lpOperation)
 605         {
 606             /* pass the operation string to SHELL_FindExecutableByOperation() */
 607             filetype[filetypelen] = '\0';
 608             retval = SHELL_FindExecutableByOperation(lpPath, lpFile, lpOperation, key, filetype, command, sizeof(command));
 609         }
 610         else
 611         {
 612             WCHAR operation[MAX_PATH];
 613             HKEY hkey;
 614
 615             /* Looking for ...buffer\shell\<operation>\command */
 616             strcatW(filetype, wszShell);
 617
 618             /* enumerate the operation subkeys in the registry and search for one with an associated command */
 619             if (RegOpenKeyW(HKEY_CLASSES_ROOT, filetype, &hkey) == ERROR_SUCCESS)
 620             {
 621                 int idx = 0;
 622                 for(;; ++idx)
 623                 {
 624                     if (RegEnumKeyW(hkey, idx, operation, MAX_PATH) != ERROR_SUCCESS)
 625                         break;
 626
 627                     filetype[filetypelen] = '\0';
 628                     retval = SHELL_FindExecutableByOperation(lpPath, lpFile, operation, key, filetype, command, sizeof(command));
 629
 630                     if (retval > 32)
 631                         break;
 632             }
 633                 RegCloseKey(hkey);
 634             }
 635         }
 636
 637         if (retval > 32)
 638         {
 639             SHELL_ArgifyW(lpResult, resultLen, command, xlpFile, pidl, args);
 640
 641             /* Remove double quotation marks and command line arguments */
 642             if (*lpResult == '"')
 643             {
 644                 WCHAR *p = lpResult;
 645                 while (*(p + 1) != '"')
 646                 {
 647                     *p = *(p + 1);
 648                     p++;
 649                 }
 650                 *p = '\0';
 651             }
 652         }
 653     }
 654     else /* Check win.ini */
 655     {
 656         static const WCHAR wExtensions[] = {'e','x','t','e','n','s','i','o','n','s',0};
 657
 658         /* Toss the leading dot */
 659         extension++;
 660         if (GetProfileStringW(wExtensions, extension, wszEmpty, command, sizeof(command)/sizeof(WCHAR)) > 0)
 661         {
 662             if (strlenW(command) != 0)
 663             {
 664                 strcpyW(lpResult, command);
 665                 tok = strchrW(lpResult, '^'); /* should be ^.extension? */
 666                 if (tok != NULL)
 667                 {
 668                     tok[0] = '\0';
 669                     strcatW(lpResult, xlpFile); /* what if no dir in xlpFile? */
 670                     tok = strchrW(command, '^'); /* see above */
 671                     if ((tok != NULL) && (strlenW(tok)>5))
 672                     {
 673                         strcatW(lpResult, &tok[5]);
 674                     }
 675                 }
 676                 retval = 33; /* FIXME - see above */
 677             }
 678         }
 679     }
 680
 681     TRACE("returning %s\n", debugstr_w(lpResult));
 682     return retval;
 683 }
 684
 685 /******************************************************************
 686  *              dde_cb
 687  *
 688  * callback for the DDE connection. not really useful
 689  */
 690 static HDDEDATA CALLBACK dde_cb(UINT uType, UINT uFmt, HCONV hConv,
 691                                 HSZ hsz1, HSZ hsz2, HDDEDATA hData,
 692                                 ULONG_PTR dwData1, ULONG_PTR dwData2)
 693 {
 694     TRACE("dde_cb: %04x, %04x, %p, %p, %p, %p, %08lx, %08lx\n",
 695            uType, uFmt, hConv, hsz1, hsz2, hData, dwData1, dwData2);
 696     return NULL;
 697 }
 698
 699 /******************************************************************
 700  *              dde_connect
 701  *
 702  * ShellExecute helper. Used to do an operation with a DDE connection
 703  *
 704  * Handles both the direct connection (try #1), and if it fails,
 705  * launching an application and trying (#2) to connect to it
 706  *
 707  */
 708 static unsigned dde_connect(WCHAR* key, WCHAR* start, WCHAR* ddeexec,
 709                             const WCHAR* lpFile, WCHAR *env,
 710                             LPCWSTR szCommandline, LPITEMIDLIST pidl, SHELL_ExecuteW32 execfunc,
 711                             LPSHELLEXECUTEINFOW psei, LPSHELLEXECUTEINFOW psei_out)
 712 {
 713     static const WCHAR wApplication[] = {'\\','a','p','p','l','i','c','a','t','i','o','n',0};
 714     static const WCHAR wTopic[] = {'\\','t','o','p','i','c',0};
 715     WCHAR *     endkey = key + strlenW(key);
 716     WCHAR       app[256], topic[256], ifexec[256], res[256];
 717     LONG        applen, topiclen, ifexeclen;
 718     WCHAR *     exec;
 719     DWORD       ddeInst = 0;
 720     DWORD       tid;
 721     HSZ         hszApp, hszTopic;
 722     HCONV       hConv;
 723     HDDEDATA    hDdeData;
 724     unsigned    ret = 31;
 725     BOOL unicode = !(GetVersion() & 0x80000000);
 726
 727     strcpyW(endkey, wApplication);
 728     applen = sizeof(app);
 729     if (RegQueryValueW(HKEY_CLASSES_ROOT, key, app, &applen) != ERROR_SUCCESS)
 730     {
 731         FIXME("default app name NIY %s\n", debugstr_w(key));
 732         return 2;
 733     }
 734
 735     strcpyW(endkey, wTopic);
 736     topiclen = sizeof(topic);
 737     if (RegQueryValueW(HKEY_CLASSES_ROOT, key, topic, &topiclen) != ERROR_SUCCESS)
 738     {
 739         static const WCHAR wSystem[] = {'S','y','s','t','e','m',0};
 740         strcpyW(topic, wSystem);
 741     }
 742
 743     if (unicode)
 744     {
 745         if (DdeInitializeW(&ddeInst, dde_cb, APPCMD_CLIENTONLY, 0L) != DMLERR_NO_ERROR)
 746             return 2;
 747     }
 748     else
 749     {
 750         if (DdeInitializeA(&ddeInst, dde_cb, APPCMD_CLIENTONLY, 0L) != DMLERR_NO_ERROR)
 751             return 2;
 752     }
 753
 754     hszApp = DdeCreateStringHandleW(ddeInst, app, CP_WINUNICODE);
 755     hszTopic = DdeCreateStringHandleW(ddeInst, topic, CP_WINUNICODE);
 756
 757     hConv = DdeConnect(ddeInst, hszApp, hszTopic, NULL);
 758     exec = ddeexec;
 759     if (!hConv)
 760     {
 761         static const WCHAR wIfexec[] = {'\\','i','f','e','x','e','c',0};
 762         TRACE("Launching '%s'\n", debugstr_w(start));
 763         ret = execfunc(start, env, TRUE, psei, psei_out);
 764         if (ret < 32)
 765         {
 766             TRACE("Couldn't launch\n");
 767             goto error;
 768         }
 769         hConv = DdeConnect(ddeInst, hszApp, hszTopic, NULL);
 770         if (!hConv)
 771         {
 772             TRACE("Couldn't connect. ret=%d\n", ret);
 773             DdeUninitialize(ddeInst);
 774             SetLastError(ERROR_DDE_FAIL);
 775             return 30; /* whatever */
 776         }
 777         strcpyW(endkey, wIfexec);
 778         ifexeclen = sizeof(ifexec);
 779         if (RegQueryValueW(HKEY_CLASSES_ROOT, key, ifexec, &ifexeclen) == ERROR_SUCCESS)
 780         {
 781             exec = ifexec;
 782         }
 783     }
 784
 785     SHELL_ArgifyW(res, sizeof(res)/sizeof(WCHAR), exec, lpFile, pidl, szCommandline);
 786     TRACE("%s %s => %s\n", debugstr_w(exec), debugstr_w(lpFile), debugstr_w(res));
 787
 788     /* It's documented in the KB 330337 that IE has a bug and returns
 789      * error DMLERR_NOTPROCESSED on XTYP_EXECUTE request.
 790      */
 791     if (unicode)
 792         hDdeData = DdeClientTransaction((LPBYTE)res, (strlenW(res) + 1) * sizeof(WCHAR), hConv, 0L, 0,
 793                                          XTYP_EXECUTE, 10000, &tid);
 794     else
 795     {
 796         DWORD lenA = WideCharToMultiByte(CP_ACP, 0, res, -1, NULL, 0, NULL, NULL);
 797         char *resA = HeapAlloc(GetProcessHeap(), 0, lenA);
 798         WideCharToMultiByte(CP_ACP, 0, res, -1, resA, lenA, NULL, NULL);
 799         hDdeData = DdeClientTransaction( (LPBYTE)resA, lenA, hConv, 0L, 0,
 800                                          XTYP_EXECUTE, 10000, &tid );
 801         HeapFree(GetProcessHeap(), 0, resA);
 802     }
 803     if (hDdeData)
 804         DdeFreeDataHandle(hDdeData);
 805     else
 806         WARN("DdeClientTransaction failed with error %04x\n", DdeGetLastError(ddeInst));
 807     ret = 33;
 808
 809     DdeDisconnect(hConv);
 810
 811  error:
 812     DdeUninitialize(ddeInst);
 813
 814     return ret;
 815 }
 816
 817 /*************************************************************************
 818  *      execute_from_key [Internal]
 819  */
 820 static UINT_PTR execute_from_key(LPWSTR key, LPCWSTR lpFile, WCHAR *env, LPCWSTR szCommandline,
 821                              SHELL_ExecuteW32 execfunc,
 822                              LPSHELLEXECUTEINFOW psei, LPSHELLEXECUTEINFOW psei_out)
 823 {
 824     WCHAR cmd[1024];
 825     LONG cmdlen = sizeof(cmd);
 826     UINT_PTR retval = 31;
 827
 828     cmd[0] = '\0';
 829
 830     /* Get the application for the registry */
 831     if (RegQueryValueW(HKEY_CLASSES_ROOT, key, cmd, &cmdlen) == ERROR_SUCCESS)
 832     {
 833         static const WCHAR wCommand[] = {'c','o','m','m','a','n','d',0};
 834         static const WCHAR wDdeexec[] = {'d','d','e','e','x','e','c',0};
 835         LPWSTR tmp;
 836         WCHAR param[256];
 837         LONG paramlen = sizeof(param);
 838
 839         param[0] = '\0';
 840
 841         /* Get the parameters needed by the application
 842            from the associated ddeexec key */
 843         tmp = strstrW(key, wCommand);
 844         assert(tmp);
 845         strcpyW(tmp, wDdeexec);
 846
 847         if (RegQueryValueW(HKEY_CLASSES_ROOT, key, param, &paramlen) == ERROR_SUCCESS)
 848         {
 849             TRACE("Got ddeexec %s => %s\n", debugstr_w(key), debugstr_w(param));
 850             retval = dde_connect(key, cmd, param, lpFile, env, szCommandline, psei->lpIDList, execfunc, psei, psei_out);
 851         }
 852         else
 853         {
 854             /* Is there a replace() function anywhere? */
 855             cmdlen /= sizeof(WCHAR);
 856             cmd[cmdlen] = '\0';
 857             SHELL_ArgifyW(param, sizeof(param)/sizeof(WCHAR), cmd, lpFile, psei->lpIDList, szCommandline);
 858             retval = execfunc(param, env, FALSE, psei, psei_out);
 859         }
 860     }
 861     else TRACE("ooch\n");
 862
 863     return retval;
 864 }
 865
 866 /*************************************************************************
 867  * FindExecutableA                      [SHELL32.@]
 868  */
 869 HINSTANCE WINAPI FindExecutableA(LPCSTR lpFile, LPCSTR lpDirectory, LPSTR lpResult)
 870 {
 871     HINSTANCE retval;
 872     WCHAR *wFile = NULL, *wDirectory = NULL;
 873     WCHAR wResult[MAX_PATH];
 874
 875     if (lpFile) __SHCloneStrAtoW(&wFile, lpFile);
 876     if (lpDirectory) __SHCloneStrAtoW(&wDirectory, lpDirectory);
 877
 878     retval = FindExecutableW(wFile, wDirectory, wResult);
 879     WideCharToMultiByte(CP_ACP, 0, wResult, -1, lpResult, MAX_PATH, NULL, NULL);
 880     if (wFile) SHFree( wFile );
 881     if (wDirectory) SHFree( wDirectory );
 882
 883     TRACE("returning %s\n", lpResult);
 884     return retval;
 885 }
 886
 887 /*************************************************************************
 888  * FindExecutableW                      [SHELL32.@]
 889  */
 890 HINSTANCE WINAPI FindExecutableW(LPCWSTR lpFile, LPCWSTR lpDirectory, LPWSTR lpResult)
 891 {
 892     UINT_PTR retval = 31;    /* default - 'No association was found' */
 893     WCHAR old_dir[1024];
 894
 895     TRACE("File %s, Dir %s\n",
 896           (lpFile != NULL ? debugstr_w(lpFile) : "-"), (lpDirectory != NULL ? debugstr_w(lpDirectory) : "-"));
 897
 898     lpResult[0] = '\0'; /* Start off with an empty return string */
 899
 900     /* trap NULL parameters on entry */
 901     if ((lpFile == NULL) || (lpResult == NULL))
 902     {
 903         /* FIXME - should throw a warning, perhaps! */
 904         return (HINSTANCE)2; /* File not found. Close enough, I guess. */
 905     }
 906
 907     if (lpDirectory)
 908     {
 909         GetCurrentDirectoryW(sizeof(old_dir)/sizeof(WCHAR), old_dir);
 910         SetCurrentDirectoryW(lpDirectory);
 911     }
 912
 913     retval = SHELL_FindExecutable(lpDirectory, lpFile, wszOpen, lpResult, MAX_PATH, NULL, NULL, NULL, NULL);
 914
 915     TRACE("returning %s\n", debugstr_w(lpResult));
 916     if (lpDirectory)
 917         SetCurrentDirectoryW(old_dir);
 918     return (HINSTANCE)retval;
 919 }
 920
 921 /* FIXME: is this already implemented somewhere else? */
 922 static HKEY ShellExecute_GetClassKey( LPSHELLEXECUTEINFOW sei )
 923 {
 924     LPCWSTR ext = NULL, lpClass = NULL;
 925     LPWSTR cls = NULL;
 926     DWORD type = 0, sz = 0;
 927     HKEY hkey = 0;
 928     LONG r;
 929
 930     if (sei->fMask & SEE_MASK_CLASSALL)
 931         return sei->hkeyClass;
 932
 933     if (sei->fMask & SEE_MASK_CLASSNAME)
 934         lpClass = sei->lpClass;
 935     else
 936     {
 937         ext = PathFindExtensionW( sei->lpFile );
 938         TRACE("ext = %s\n", debugstr_w( ext ) );
 939         if (!ext)
 940             return hkey;
 941
 942         r = RegOpenKeyW( HKEY_CLASSES_ROOT, ext, &hkey );
 943         if (r != ERROR_SUCCESS )
 944             return hkey;
 945
 946         r = RegQueryValueExW( hkey, NULL, 0, &type, NULL, &sz );
 947         if ( r == ERROR_SUCCESS && type == REG_SZ )
 948         {
 949             sz += sizeof (WCHAR);
 950             cls = HeapAlloc( GetProcessHeap(), 0, sz );
 951             cls[0] = 0;
 952             RegQueryValueExW( hkey, NULL, 0, &type, (LPBYTE) cls, &sz );
 953         }
 954
 955         RegCloseKey( hkey );
 956         lpClass = cls;
 957     }
 958
 959     TRACE("class = %s\n", debugstr_w(lpClass) );
 960
 961     hkey = 0;
 962     if ( lpClass )
 963         RegOpenKeyW( HKEY_CLASSES_ROOT, lpClass, &hkey );
 964
 965     HeapFree( GetProcessHeap(), 0, cls );
 966
 967     return hkey;
 968 }
 969
 970 static IDataObject *shellex_get_dataobj( LPSHELLEXECUTEINFOW sei )
 971 {
 972     LPCITEMIDLIST pidllast = NULL;
 973     IDataObject *dataobj = NULL;
 974     IShellFolder *shf = NULL;
 975     LPITEMIDLIST pidl = NULL;
 976     HRESULT r;
 977
 978     if (sei->fMask & SEE_MASK_CLASSALL)
 979         pidl = sei->lpIDList;
 980     else
 981     {
 982         WCHAR fullpath[MAX_PATH];
 983
 984         fullpath[0] = 0;
 985         r = GetFullPathNameW( sei->lpFile, MAX_PATH, fullpath, NULL );
 986         if (!r)
 987             goto end;
 988
 989         pidl = ILCreateFromPathW( fullpath );
 990     }
 991
 992     r = SHBindToParent( pidl, &IID_IShellFolder, (LPVOID*)&shf, &pidllast );
 993     if ( FAILED( r ) )
 994         goto end;
 995
 996     IShellFolder_GetUIObjectOf( shf, NULL, 1, &pidllast,
 997                                 &IID_IDataObject, NULL, (LPVOID*) &dataobj );
 998
 999 end:
1000     if ( pidl != sei->lpIDList )
1001         ILFree( pidl );
1002     if ( shf )
1003         IShellFolder_Release( shf );
1004     return dataobj;
1005 }
1006
1007 static HRESULT shellex_run_context_menu_default( IShellExtInit *obj,
1008                                                  LPSHELLEXECUTEINFOW sei )
1009 {
1010     IContextMenu *cm = NULL;
1011     CMINVOKECOMMANDINFOEX ici;
1012     MENUITEMINFOW info;
1013     WCHAR string[0x80];
1014     INT i, n, def = -1;
1015     HMENU hmenu = 0;
1016     HRESULT r;
1017
1018     TRACE("%p %p\n", obj, sei );
1019
1020     r = IShellExtInit_QueryInterface( obj, &IID_IContextMenu, (LPVOID*) &cm );
1021     if ( FAILED( r ) )
1022         return r;
1023
1024     hmenu = CreateMenu();
1025     if ( !hmenu )
1026         goto end;
1027
1028     /* the number of the last menu added is returned in r */
1029     r = IContextMenu_QueryContextMenu( cm, hmenu, 0, 0x20, 0x7fff, CMF_DEFAULTONLY );
1030     if ( FAILED( r ) )
1031         goto end;
1032
1033     n = GetMenuItemCount( hmenu );
1034     for ( i = 0; i < n; i++ )
1035     {
1036         memset( &info, 0, sizeof info );
1037         info.cbSize = sizeof info;
1038         info.fMask = MIIM_FTYPE | MIIM_STRING | MIIM_STATE | MIIM_DATA | MIIM_ID;
1039         info.dwTypeData = string;
1040         info.cch = sizeof string;
1041         string[0] = 0;
1042         GetMenuItemInfoW( hmenu, i, TRUE, &info );
1043
1044         TRACE("menu %d %s %08x %08lx %08x %08x\n", i, debugstr_w(string),
1045             info.fState, info.dwItemData, info.fType, info.wID );
1046         if ( ( !sei->lpVerb && (info.fState & MFS_DEFAULT) ) ||
1047              ( sei->lpVerb && !lstrcmpiW( sei->lpVerb, string ) ) )
1048         {
1049             def = i;
1050             break;
1051         }
1052     }
1053
1054     r = E_FAIL;
1055     if ( def == -1 )
1056         goto end;
1057
1058     memset( &ici, 0, sizeof ici );
1059     ici.cbSize = sizeof ici;
1060     ici.fMask = CMIC_MASK_UNICODE;
1061     ici.nShow = sei->nShow;
1062     ici.lpVerb = MAKEINTRESOURCEA( def );
1063     ici.hwnd = sei->hwnd;
1064     ici.lpParametersW = sei->lpParameters;
1065
1066     r = IContextMenu_InvokeCommand( cm, (LPCMINVOKECOMMANDINFO) &ici );
1067
1068     TRACE("invoke command returned %08lx\n", r );
1069
1070 end:
1071     if ( hmenu )
1072         DestroyMenu( hmenu );
1073     if ( cm )
1074         IContextMenu_Release( cm );
1075     return r;
1076 }
1077
1078 static HRESULT shellex_load_object_and_run( HKEY hkey, LPCGUID guid, LPSHELLEXECUTEINFOW sei )
1079 {
1080     IDataObject *dataobj = NULL;
1081     IObjectWithSite *ows = NULL;
1082     IShellExtInit *obj = NULL;
1083     HRESULT r;
1084
1085     TRACE("%p %s %p\n", hkey, debugstr_guid( guid ), sei );
1086
1087     r = CoInitialize( NULL );
1088     if ( FAILED( r ) )
1089         goto end;
1090
1091     r = CoCreateInstance( guid, NULL, CLSCTX_INPROC_SERVER,
1092                            &IID_IShellExtInit, (LPVOID*)&obj );
1093     if ( FAILED( r ) )
1094     {
1095         ERR("failed %08lx\n", r );
1096         goto end;
1097     }
1098
1099     dataobj = shellex_get_dataobj( sei );
1100     if ( !dataobj )
1101     {
1102         ERR("failed to get data object\n");
1103         goto end;
1104     }
1105
1106     r = IShellExtInit_Initialize( obj, NULL, dataobj, hkey );
1107     if ( FAILED( r ) )
1108         goto end;
1109
1110     r = IShellExtInit_QueryInterface( obj, &IID_IObjectWithSite, (LPVOID*) &ows );
1111     if ( FAILED( r ) )
1112         goto end;
1113
1114     IObjectWithSite_SetSite( ows, NULL );
1115
1116     r = shellex_run_context_menu_default( obj, sei );
1117
1118 end:
1119     if ( ows )
1120         IObjectWithSite_Release( ows );
1121     if ( dataobj )
1122         IDataObject_Release( dataobj );
1123     if ( obj )
1124         IShellExtInit_Release( obj );
1125     CoUninitialize();
1126     return r;
1127 }
1128
1129
1130 /*************************************************************************
1131  *      ShellExecute_FromContextMenu [Internal]
1132  */
1133 static LONG ShellExecute_FromContextMenu( LPSHELLEXECUTEINFOW sei )
1134 {
1135     static const WCHAR szcm[] = { 's','h','e','l','l','e','x','\\',
1136         'C','o','n','t','e','x','t','M','e','n','u','H','a','n','d','l','e','r','s',0 };
1137     HKEY hkey, hkeycm = 0;
1138     WCHAR szguid[39];
1139     HRESULT hr;
1140     GUID guid;
1141     DWORD i;
1142     LONG r;
1143
1144     TRACE("%s\n", debugstr_w(sei->lpFile) );
1145
1146     hkey = ShellExecute_GetClassKey( sei );
1147     if ( !hkey )
1148         return ERROR_FUNCTION_FAILED;
1149
1150     r = RegOpenKeyW( hkey, szcm, &hkeycm );
1151     if ( r == ERROR_SUCCESS )
1152     {
1153         i = 0;
1154         while ( 1 )
1155         {
1156             r = RegEnumKeyW( hkeycm, i++, szguid, 39 );
1157             if ( r != ERROR_SUCCESS )
1158                 break;
1159
1160             hr = CLSIDFromString( szguid, &guid );
1161             if (SUCCEEDED(hr))
1162             {
1163                 /* stop at the first one that succeeds in running */
1164                 hr = shellex_load_object_and_run( hkey, &guid, sei );
1165                 if ( SUCCEEDED( hr ) )
1166                     break;
1167             }
1168         }
1169         RegCloseKey( hkeycm );
1170     }
1171
1172     if ( hkey != sei->hkeyClass )
1173         RegCloseKey( hkey );
1174     return r;
1175 }
1176
1177 /*************************************************************************
1178  *      SHELL_execute [Internal]
1179  */
1180 BOOL SHELL_execute( LPSHELLEXECUTEINFOW sei, SHELL_ExecuteW32 execfunc )
1181 {
1182     static const WCHAR wQuote[] = {'"',0};
1183     static const WCHAR wSpace[] = {' ',0};
1184     static const WCHAR wWww[] = {'w','w','w',0};
1185     static const WCHAR wFile[] = {'f','i','l','e',0};
1186     static const WCHAR wHttp[] = {'h','t','t','p',':','/','/',0};
1187     static const WCHAR wExplorer[] = {'e','x','p','l','o','r','e','r','.','e','x','e',0};
1188     static const DWORD unsupportedFlags =
1189         SEE_MASK_INVOKEIDLIST  | SEE_MASK_ICON         | SEE_MASK_HOTKEY |
1190         SEE_MASK_CONNECTNETDRV | SEE_MASK_FLAG_DDEWAIT | SEE_MASK_FLAG_NO_UI |
1191         SEE_MASK_UNICODE       | SEE_MASK_NO_CONSOLE   | SEE_MASK_ASYNCOK |
1192         SEE_MASK_HMONITOR;
1193
1194     WCHAR wszApplicationName[MAX_PATH+2], wszParameters[1024], wszDir[MAX_PATH];
1195     SHELLEXECUTEINFOW sei_tmp;  /* modifiable copy of SHELLEXECUTEINFO struct */
1196     WCHAR wfileName[MAX_PATH];
1197     WCHAR *env;
1198     WCHAR lpstrProtocol[256];
1199     LPCWSTR lpFile;
1200     UINT_PTR retval = 31;
1201     WCHAR wcmd[1024];
1202     WCHAR buffer[MAX_PATH];
1203     BOOL done;
1204
1205     /* make a local copy of the LPSHELLEXECUTEINFO structure and work with this from now on */
1206     memcpy(&sei_tmp, sei, sizeof(sei_tmp));
1207
1208     TRACE("mask=0x%08lx hwnd=%p verb=%s file=%s parm=%s dir=%s show=0x%08x class=%s\n",
1209             sei_tmp.fMask, sei_tmp.hwnd, debugstr_w(sei_tmp.lpVerb),
1210             debugstr_w(sei_tmp.lpFile), debugstr_w(sei_tmp.lpParameters),
1211             debugstr_w(sei_tmp.lpDirectory), sei_tmp.nShow,
1212             ((sei_tmp.fMask & SEE_MASK_CLASSALL) == SEE_MASK_CLASSNAME) ?
1213                 debugstr_w(sei_tmp.lpClass) : "not used");
1214
1215     sei->hProcess = NULL;
1216
1217     /* make copies of all path/command strings */
1218     if (!sei_tmp.lpFile)
1219         *wszApplicationName = '\0';
1220     else if (*sei_tmp.lpFile == '\"')
1221     {
1222         UINT l;
1223         strcpyW(wszApplicationName, sei_tmp.lpFile+1);
1224         l=lstrlenW(wszApplicationName);
1225         if (wszApplicationName[l-1] == '\"')
1226             wszApplicationName[l-1] = '\0';
1227         TRACE("wszApplicationName=%s\n",debugstr_w(wszApplicationName));
1228     }
1229     else
1230         strcpyW(wszApplicationName, sei_tmp.lpFile);
1231
1232     if (sei_tmp.lpParameters)
1233         strcpyW(wszParameters, sei_tmp.lpParameters);
1234     else
1235         *wszParameters = '\0';
1236
1237     if (sei_tmp.lpDirectory)
1238         strcpyW(wszDir, sei_tmp.lpDirectory);
1239     else
1240         *wszDir = '\0';
1241
1242     /* adjust string pointers to point to the new buffers */
1243     sei_tmp.lpFile = wszApplicationName;
1244     sei_tmp.lpParameters = wszParameters;
1245     sei_tmp.lpDirectory = wszDir;
1246
1247     if (sei_tmp.fMask & unsupportedFlags)
1248     {
1249         FIXME("flags ignored: 0x%08lx\n", sei_tmp.fMask & unsupportedFlags);
1250     }
1251
1252     /* process the IDList */
1253     if (sei_tmp.fMask & SEE_MASK_IDLIST)
1254     {
1255         IShellExecuteHookW* pSEH;
1256
1257         HRESULT hr = SHBindToParent(sei_tmp.lpIDList, &IID_IShellExecuteHookW, (LPVOID*)&pSEH, NULL);
1258
1259         if (SUCCEEDED(hr))
1260         {
1261             hr = IShellExecuteHookW_Execute(pSEH, &sei_tmp);
1262
1263             IShellExecuteHookW_Release(pSEH);
1264
1265             if (hr == S_OK)
1266                 return TRUE;
1267         }
1268
1269         SHGetPathFromIDListW(sei_tmp.lpIDList, wszApplicationName);
1270         TRACE("-- idlist=%p (%s)\n", sei_tmp.lpIDList, debugstr_w(wszApplicationName));
1271     }
1272
1273     if ( ERROR_SUCCESS == ShellExecute_FromContextMenu( &sei_tmp ) )
1274     {
1275         sei->hInstApp = (HINSTANCE) 33;
1276         return TRUE;
1277     }
1278
1279     if (sei_tmp.fMask & SEE_MASK_CLASSALL)
1280     {
1281         /* launch a document by fileclass like 'WordPad.Document.1' */
1282         /* the Commandline contains 'c:\Path\wordpad.exe "%1"' */
1283         /* FIXME: szCommandline should not be of a fixed size. Fixed to 1024, MAX_PATH is way too short! */
1284         ULONG cmask=(sei_tmp.fMask & SEE_MASK_CLASSALL);
1285         HCR_GetExecuteCommandW((cmask == SEE_MASK_CLASSKEY) ? sei_tmp.hkeyClass : NULL,
1286                                (cmask == SEE_MASK_CLASSNAME) ? sei_tmp.lpClass: NULL,
1287                                (sei_tmp.lpVerb) ? sei_tmp.lpVerb : wszOpen,
1288                                wszParameters, sizeof(wszParameters)/sizeof(WCHAR));
1289
1290         /* FIXME: get the extension of lpFile, check if it fits to the lpClass */
1291         TRACE("SEE_MASK_CLASSNAME->'%s', doc->'%s'\n", debugstr_w(wszParameters), debugstr_w(wszApplicationName));
1292
1293         wcmd[0] = '\0';
1294         done = SHELL_ArgifyW(wcmd, sizeof(wcmd)/sizeof(WCHAR), wszParameters, wszApplicationName, sei_tmp.lpIDList, NULL);
1295         if (!done && wszApplicationName[0])
1296         {
1297             strcatW(wcmd, wSpace);
1298             strcatW(wcmd, wszApplicationName);
1299         }
1300         retval = execfunc(wcmd, NULL, FALSE, &sei_tmp, sei);
1301         if (retval > 32)
1302             return TRUE;
1303         else
1304             return FALSE;
1305     }
1306
1307     /* Has the IDList not yet been translated? */
1308     if (sei_tmp.fMask & SEE_MASK_IDLIST)
1309     {
1310         /* last chance to translate IDList: now also allow CLSID paths */
1311         if (SUCCEEDED(SHELL_GetPathFromIDListForExecuteW(sei_tmp.lpIDList, buffer, sizeof(buffer)))) {
1312             if (buffer[0]==':' && buffer[1]==':') {
1313                 /* open shell folder for the specified class GUID */
1314                 strcpyW(wszParameters, buffer);
1315                 strcpyW(wszApplicationName, wExplorer);
1316
1317                 sei_tmp.fMask &= ~SEE_MASK_INVOKEIDLIST;
1318             } else {
1319                 WCHAR target[MAX_PATH];
1320                 DWORD attribs;
1321                 /* Check if we're executing a directory and if so use the
1322                    handler for the Folder class */
1323                 strcpyW(target, buffer);
1324                 attribs = GetFileAttributesW(buffer);
1325                 if (attribs != INVALID_FILE_ATTRIBUTES &&
1326                     (attribs & FILE_ATTRIBUTE_DIRECTORY) &&
1327                     HCR_GetExecuteCommandW(0, wszFolder,
1328                                            sei_tmp.lpVerb?sei_tmp.lpVerb:wszOpen,
1329                                            buffer, sizeof(buffer))) {
1330                     SHELL_ArgifyW(wszApplicationName,
1331                                   sizeof(wszApplicationName)/sizeof(WCHAR),
1332                                   buffer, target, sei_tmp.lpIDList, NULL);
1333                 }
1334                 sei_tmp.fMask &= ~SEE_MASK_INVOKEIDLIST;
1335             }
1336         }
1337     }
1338
1339     /* expand environment strings */
1340     if (ExpandEnvironmentStringsW(sei_tmp.lpFile, buffer, MAX_PATH))
1341         lstrcpyW(wszApplicationName, buffer);
1342
1343     if (*sei_tmp.lpParameters)
1344         if (ExpandEnvironmentStringsW(sei_tmp.lpParameters, buffer, MAX_PATH))
1345             lstrcpyW(wszParameters, buffer);
1346
1347     if (*sei_tmp.lpDirectory)
1348         if (ExpandEnvironmentStringsW(sei_tmp.lpDirectory, buffer, MAX_PATH))
1349             lstrcpyW(wszDir, buffer);
1350
1351     /* Else, try to execute the filename */
1352     TRACE("execute:%s,%s,%s\n", debugstr_w(wszApplicationName), debugstr_w(wszParameters), debugstr_w(wszDir));
1353
1354     /* separate out command line arguments from executable file name */
1355     if (!*sei_tmp.lpParameters) {
1356         /* If the executable path is quoted, handle the rest of the command line as parameters. */
1357         if (sei_tmp.lpFile[0] == '"') {
1358             LPWSTR src = wszApplicationName/*sei_tmp.lpFile*/ + 1;
1359             LPWSTR dst = wfileName;
1360             LPWSTR end;
1361
1362             /* copy the unquoted executable path to 'wfileName' */
1363             while(*src && *src!='"')
1364                 *dst++ = *src++;
1365
1366             *dst = '\0';
1367
1368             if (*src == '"') {
1369                 end = ++src;
1370
1371                 while(isspace(*src))
1372                     ++src;
1373             } else
1374                 end = src;
1375
1376             /* copy the parameter string to 'wszParameters' */
1377             strcpyW(wszParameters, src);
1378
1379             /* terminate previous command string after the quote character */
1380             *end = '\0';
1381         }
1382         else
1383         {
1384             /* If the executable name is not quoted, we have to use this search loop here,
1385                that in CreateProcess() is not sufficient because it does not handle shell links. */
1386             WCHAR buffer[MAX_PATH], xlpFile[MAX_PATH];
1387             LPWSTR space, s;
1388
1389             LPWSTR beg = wszApplicationName/*sei_tmp.lpFile*/;
1390             for(s=beg; (space=strchrW(s, ' ')); s=space+1) {
1391                 int idx = space-sei_tmp.lpFile;
1392                 memcpy(buffer, sei_tmp.lpFile, idx * sizeof(WCHAR));
1393                 buffer[idx] = '\0';
1394
1395                 /*FIXME This finds directory paths if the targeted file name contains spaces. */
1396                 if (SearchPathW(*sei_tmp.lpDirectory? sei_tmp.lpDirectory: NULL, buffer, wszExe, sizeof(xlpFile), xlpFile, NULL))
1397                 {
1398                     /* separate out command from parameter string */
1399                     LPCWSTR p = space + 1;
1400
1401                     while(isspaceW(*p))
1402                         ++p;
1403
1404                     strcpyW(wszParameters, p);
1405                     *space = '\0';
1406
1407                     break;
1408                 }
1409             }
1410
1411             strcpyW(wfileName, sei_tmp.lpFile);
1412         }
1413     } else
1414         strcpyW(wfileName, sei_tmp.lpFile);
1415
1416     lpFile = wfileName;
1417
1418     strcpyW(wcmd, wszApplicationName);
1419     if (sei_tmp.lpParameters[0]) {
1420         strcatW(wcmd, wSpace);
1421         strcatW(wcmd, wszParameters);
1422     }
1423
1424     /* We set the default to open, and that should generally work.
1425        But that is not really the way the MS docs say to do it. */
1426     if (!sei_tmp.lpVerb)
1427         sei_tmp.lpVerb = wszOpen;
1428
1429     retval = execfunc(wcmd, NULL, FALSE, &sei_tmp, sei);
1430     if (retval > 32)
1431         return TRUE;
1432
1433     /* Else, try to find the executable */
1434     wcmd[0] = '\0';
1435     retval = SHELL_FindExecutable(sei_tmp.lpDirectory, lpFile, sei_tmp.lpVerb, wcmd, 1024, lpstrProtocol, &env, sei_tmp.lpIDList, sei_tmp.lpParameters);
1436     if (retval > 32)  /* Found */
1437     {
1438         WCHAR wszQuotedCmd[MAX_PATH+2];
1439         /* Must quote to handle case where cmd contains spaces,
1440          * else security hole if malicious user creates executable file "C:\\Program"
1441          */
1442         strcpyW(wszQuotedCmd, wQuote);
1443         strcatW(wszQuotedCmd, wcmd);
1444         strcatW(wszQuotedCmd, wQuote);
1445         if (wszParameters[0]) {
1446             strcatW(wszQuotedCmd, wSpace);
1447             strcatW(wszQuotedCmd, wszParameters);
1448         }
1449         TRACE("%s/%s => %s/%s\n", debugstr_w(wszApplicationName), debugstr_w(sei_tmp.lpVerb), debugstr_w(wszQuotedCmd), debugstr_w(lpstrProtocol));
1450         if (*lpstrProtocol)
1451             retval = execute_from_key(lpstrProtocol, wszApplicationName, env, sei_tmp.lpParameters, execfunc, &sei_tmp, sei);
1452         else
1453             retval = execfunc(wszQuotedCmd, env, FALSE, &sei_tmp, sei);
1454         HeapFree( GetProcessHeap(), 0, env );
1455     }
1456     else if (PathIsURLW((LPWSTR)lpFile))    /* File not found, check for URL */
1457     {
1458         static const WCHAR wShell[] = {'\\','s','h','e','l','l','\\',0};
1459         static const WCHAR wCommand[] = {'\\','c','o','m','m','a','n','d',0};
1460         LPWSTR lpstrRes;
1461         INT iSize;
1462
1463         lpstrRes = strchrW(lpFile, ':');
1464         if (lpstrRes)
1465             iSize = lpstrRes - lpFile;
1466         else
1467             iSize = strlenW(lpFile);
1468
1469         TRACE("Got URL: %s\n", debugstr_w(lpFile));
1470         /* Looking for ...protocol\shell\lpOperation\command */
1471         memcpy(lpstrProtocol, lpFile, iSize*sizeof(WCHAR));
1472         lpstrProtocol[iSize] = '\0';
1473         strcatW(lpstrProtocol, wShell);
1474         strcatW(lpstrProtocol, sei_tmp.lpVerb? sei_tmp.lpVerb: wszOpen);
1475         strcatW(lpstrProtocol, wCommand);
1476
1477         /* Remove File Protocol from lpFile */
1478         /* In the case file://path/file     */
1479         if (!strncmpiW(lpFile, wFile, iSize))
1480         {
1481             lpFile += iSize;
1482             while (*lpFile == ':') lpFile++;
1483         }
1484         retval = execute_from_key(lpstrProtocol, lpFile, NULL, sei_tmp.lpParameters, execfunc, &sei_tmp, sei);
1485     }
1486     /* Check if file specified is in the form www.??????.*** */
1487     else if (!strncmpiW(lpFile, wWww, 3))
1488     {
1489         /* if so, append lpFile http:// and call ShellExecute */
1490         WCHAR lpstrTmpFile[256];
1491         strcpyW(lpstrTmpFile, wHttp);
1492         strcatW(lpstrTmpFile, lpFile);
1493         retval = (UINT_PTR)ShellExecuteW(sei_tmp.hwnd, sei_tmp.lpVerb, lpstrTmpFile, NULL, NULL, 0);
1494     }
1495
1496     TRACE("retval %u\n", retval);
1497
1498     if (retval <= 32)
1499     {
1500         sei->hInstApp = (HINSTANCE)retval;
1501         return FALSE;
1502     }
1503
1504     sei->hInstApp = (HINSTANCE)33;
1505     return TRUE;
1506 }
1507
1508 /*************************************************************************
1509  * ShellExecuteA                        [SHELL32.290]
1510  */
1511 HINSTANCE WINAPI ShellExecuteA(HWND hWnd, LPCSTR lpOperation,LPCSTR lpFile,
1512                                LPCSTR lpParameters,LPCSTR lpDirectory, INT iShowCmd)
1513 {
1514     SHELLEXECUTEINFOA sei;
1515
1516     TRACE("%p,%s,%s,%s,%s,%d\n",
1517           hWnd, debugstr_a(lpOperation), debugstr_a(lpFile),
1518           debugstr_a(lpParameters), debugstr_a(lpDirectory), iShowCmd);
1519
1520     sei.cbSize = sizeof(sei);
1521     sei.fMask = 0;
1522     sei.hwnd = hWnd;
1523     sei.lpVerb = lpOperation;
1524     sei.lpFile = lpFile;
1525     sei.lpParameters = lpParameters;
1526     sei.lpDirectory = lpDirectory;
1527     sei.nShow = iShowCmd;
1528     sei.lpIDList = 0;
1529     sei.lpClass = 0;
1530     sei.hkeyClass = 0;
1531     sei.dwHotKey = 0;
1532     sei.hProcess = 0;
1533
1534     ShellExecuteExA (&sei);
1535     return sei.hInstApp;
1536 }
1537
1538 /*************************************************************************
1539  * ShellExecuteExA                              [SHELL32.292]
1540  *
1541  */
1542 BOOL WINAPI ShellExecuteExA (LPSHELLEXECUTEINFOA sei)
1543 {
1544     SHELLEXECUTEINFOW seiW;
1545     BOOL ret;
1546     WCHAR *wVerb = NULL, *wFile = NULL, *wParameters = NULL, *wDirectory = NULL, *wClass = NULL;
1547
1548     TRACE("%p\n", sei);
1549
1550     memcpy(&seiW, sei, sizeof(SHELLEXECUTEINFOW));
1551
1552     if (sei->lpVerb)
1553         seiW.lpVerb = __SHCloneStrAtoW(&wVerb, sei->lpVerb);
1554
1555     if (sei->lpFile)
1556         seiW.lpFile = __SHCloneStrAtoW(&wFile, sei->lpFile);
1557
1558     if (sei->lpParameters)
1559         seiW.lpParameters = __SHCloneStrAtoW(&wParameters, sei->lpParameters);
1560
1561     if (sei->lpDirectory)
1562         seiW.lpDirectory = __SHCloneStrAtoW(&wDirectory, sei->lpDirectory);
1563
1564     if ((sei->fMask & SEE_MASK_CLASSALL) == SEE_MASK_CLASSNAME && sei->lpClass)
1565         seiW.lpClass = __SHCloneStrAtoW(&wClass, sei->lpClass);
1566     else
1567         seiW.lpClass = NULL;
1568
1569     ret = SHELL_execute( &seiW, SHELL_ExecuteW );
1570
1571     sei->hInstApp = seiW.hInstApp;
1572
1573     if (sei->fMask & SEE_MASK_NOCLOSEPROCESS)
1574         sei->hProcess = seiW.hProcess;
1575
1576     if (wVerb) SHFree(wVerb);
1577     if (wFile) SHFree(wFile);
1578     if (wParameters) SHFree(wParameters);
1579     if (wDirectory) SHFree(wDirectory);
1580     if (wClass) SHFree(wClass);
1581
1582     return ret;
1583 }
1584
1585 /*************************************************************************
1586  * ShellExecuteExW                              [SHELL32.293]
1587  *
1588  */
1589 BOOL WINAPI ShellExecuteExW (LPSHELLEXECUTEINFOW sei)
1590 {
1591     return SHELL_execute( sei, SHELL_ExecuteW );
1592 }
1593
1594 /*************************************************************************
1595  * ShellExecuteW                        [SHELL32.294]
1596  * from shellapi.h
1597  * WINSHELLAPI HINSTANCE APIENTRY ShellExecuteW(HWND hwnd, LPCWSTR lpOperation,
1598  * LPCWSTR lpFile, LPCWSTR lpParameters, LPCWSTR lpDirectory, INT nShowCmd);
1599  */
1600 HINSTANCE WINAPI ShellExecuteW(HWND hwnd, LPCWSTR lpOperation, LPCWSTR lpFile,
1601                                LPCWSTR lpParameters, LPCWSTR lpDirectory, INT nShowCmd)
1602 {
1603     SHELLEXECUTEINFOW sei;
1604
1605     TRACE("\n");
1606     sei.cbSize = sizeof(sei);
1607     sei.fMask = 0;
1608     sei.hwnd = hwnd;
1609     sei.lpVerb = lpOperation;
1610     sei.lpFile = lpFile;
1611     sei.lpParameters = lpParameters;
1612     sei.lpDirectory = lpDirectory;
1613     sei.nShow = nShowCmd;
1614     sei.lpIDList = 0;
1615     sei.lpClass = 0;
1616     sei.hkeyClass = 0;
1617     sei.dwHotKey = 0;
1618     sei.hProcess = 0;
1619
1620     SHELL_execute( &sei, SHELL_ExecuteW );
1621     return sei.hInstApp;
1622 }