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 "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, env,
 294                        psei->lpDirectory && *psei->lpDirectory ? psei->lpDirectory : NULL,
 295                        &startup, &info))
 296     {
 297         /* Give 30 seconds to the app to come up, if desired. Probably only needed
 298            when starting app immediately before making a DDE connection. */
 299         if (shWait)
 300             if (WaitForInputIdle( info.hProcess, 30000 ) == WAIT_FAILED)
 301                 WARN("WaitForInputIdle failed: Error %d\n", GetLastError() );
 302         retval = 33;
 303         if (psei->fMask & SEE_MASK_NOCLOSEPROCESS)
 304             psei_out->hProcess = info.hProcess;
 305         else
 306             CloseHandle( info.hProcess );
 307         CloseHandle( info.hThread );
 308     }
 309     else if ((retval = GetLastError()) >= 32)
 310     {
 311         TRACE("CreateProcess returned error %d\n", retval);
 312         retval = ERROR_BAD_FORMAT;
 313     }
 314
 315     TRACE("returning %u\n", retval);
 316
 317     psei_out->hInstApp = (HINSTANCE)retval;
 318     if( gcdret )
 319         if( !SetCurrentDirectoryW( curdir))
 320             ERR("cannot return to directory %s\n", debugstr_w(curdir));
 321
 322     return retval;
 323 }
 324
 325
 326 /***********************************************************************
 327  *           SHELL_BuildEnvW    [Internal]
 328  *
 329  * Build the environment for the new process, adding the specified
 330  * path to the PATH variable. Returned pointer must be freed by caller.
 331  */
 332 static void *SHELL_BuildEnvW( const WCHAR *path )
 333 {
 334     static const WCHAR wPath[] = {'P','A','T','H','=',0};
 335     WCHAR *strings, *new_env;
 336     WCHAR *p, *p2;
 337     int total = strlenW(path) + 1;
 338     BOOL got_path = FALSE;
 339
 340     if (!(strings = GetEnvironmentStringsW())) return NULL;
 341     p = strings;
 342     while (*p)
 343     {
 344         int len = strlenW(p) + 1;
 345         if (!strncmpiW( p, wPath, 5 )) got_path = TRUE;
 346         total += len;
 347         p += len;
 348     }
 349     if (!got_path) total += 5;  /* we need to create PATH */
 350     total++;  /* terminating null */
 351
 352     if (!(new_env = HeapAlloc( GetProcessHeap(), 0, total * sizeof(WCHAR) )))
 353     {
 354         FreeEnvironmentStringsW( strings );
 355         return NULL;
 356     }
 357     p = strings;
 358     p2 = new_env;
 359     while (*p)
 360     {
 361         int len = strlenW(p) + 1;
 362         memcpy( p2, p, len * sizeof(WCHAR) );
 363         if (!strncmpiW( p, wPath, 5 ))
 364         {
 365             p2[len - 1] = ';';
 366             strcpyW( p2 + len, path );
 367             p2 += strlenW(path) + 1;
 368         }
 369         p += len;
 370         p2 += len;
 371     }
 372     if (!got_path)
 373     {
 374         strcpyW( p2, wPath );
 375         strcatW( p2, path );
 376         p2 += strlenW(p2) + 1;
 377     }
 378     *p2 = 0;
 379     FreeEnvironmentStringsW( strings );
 380     return new_env;
 381 }
 382
 383
 384 /***********************************************************************
 385  *           SHELL_TryAppPathW  [Internal]
 386  *
 387  * Helper function for SHELL_FindExecutable
 388  * @param lpResult - pointer to a buffer of size MAX_PATH
 389  * On entry: szName is a filename (probably without path separators).
 390  * On exit: if szName found in "App Path", place full path in lpResult, and return true
 391  */
 392 static BOOL SHELL_TryAppPathW( LPCWSTR szName, LPWSTR lpResult, WCHAR **env)
 393 {
 394     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',
 395         '\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\','A','p','p',' ','P','a','t','h','s','\\',0};
 396     static const WCHAR wPath[] = {'P','a','t','h',0};
 397     HKEY hkApp = 0;
 398     WCHAR buffer[1024];
 399     LONG len;
 400     LONG res;
 401     BOOL found = FALSE;
 402
 403     if (env) *env = NULL;
 404     strcpyW(buffer, wszKeyAppPaths);
 405     strcatW(buffer, szName);
 406     res = RegOpenKeyExW(HKEY_LOCAL_MACHINE, buffer, 0, KEY_READ, &hkApp);
 407     if (res) goto end;
 408
 409     len = MAX_PATH*sizeof(WCHAR);
 410     res = RegQueryValueW(hkApp, NULL, lpResult, &len);
 411     if (res) goto end;
 412     found = TRUE;
 413
 414     if (env)
 415     {
 416         DWORD count = sizeof(buffer);
 417         if (!RegQueryValueExW(hkApp, wPath, NULL, NULL, (LPBYTE)buffer, &count) && buffer[0])
 418             *env = SHELL_BuildEnvW( buffer );
 419     }
 420
 421 end:
 422     if (hkApp) RegCloseKey(hkApp);
 423     return found;
 424 }
 425
 426 static UINT SHELL_FindExecutableByOperation(LPCWSTR lpPath, LPCWSTR lpFile, LPCWSTR lpOperation, LPWSTR key, LPWSTR filetype, LPWSTR command, LONG commandlen)
 427 {
 428     static const WCHAR wCommand[] = {'\\','c','o','m','m','a','n','d',0};
 429     HKEY hkeyClass;
 430     WCHAR verb[MAX_PATH];
 431
 432     if (RegOpenKeyExW(HKEY_CLASSES_ROOT, filetype, 0, 0x02000000, &hkeyClass))
 433         return 31; /* default - 'No association was found' */
 434     if (!HCR_GetDefaultVerbW(hkeyClass, lpOperation, verb, sizeof(verb)))
 435         return 31; /* default - 'No association was found' */
 436     RegCloseKey(hkeyClass);
 437
 438     /* Looking for ...buffer\shell\<verb>\command */
 439     strcatW(filetype, wszShell);
 440     strcatW(filetype, verb);
 441     strcatW(filetype, wCommand);
 442
 443     if (RegQueryValueW(HKEY_CLASSES_ROOT, filetype, command,
 444                        &commandlen) == ERROR_SUCCESS)
 445     {
 446         commandlen /= sizeof(WCHAR);
 447         if (key) strcpyW(key, filetype);
 448 #if 0
 449         LPWSTR tmp;
 450         WCHAR param[256];
 451         LONG paramlen = sizeof(param);
 452         static const WCHAR wSpace[] = {' ',0};
 453
 454         /* FIXME: it seems all Windows version don't behave the same here.
 455          * the doc states that this ddeexec information can be found after
 456          * the exec names.
 457          * on Win98, it doesn't appear, but I think it does on Win2k
 458          */
 459         /* Get the parameters needed by the application
 460            from the associated ddeexec key */
 461         tmp = strstrW(filetype, wCommand);
 462         tmp[0] = '\0';
 463         strcatW(filetype, wDdeexec);
 464         if (RegQueryValueW(HKEY_CLASSES_ROOT, filetype, param,
 465                                      &paramlen) == ERROR_SUCCESS)
 466         {
 467             paramlen /= sizeof(WCHAR);
 468             strcatW(command, wSpace);
 469             strcatW(command, param);
 470             commandlen += paramlen;
 471         }
 472 #endif
 473
 474         command[commandlen] = '\0';
 475
 476         return 33; /* FIXME see SHELL_FindExecutable() */
 477     }
 478
 479     return 31;  /* default - 'No association was found' */
 480 }
 481
 482 /*************************************************************************
 483  *      SHELL_FindExecutable [Internal]
 484  *
 485  * Utility for code sharing between FindExecutable and ShellExecute
 486  * in:
 487  *      lpFile the name of a file
 488  *      lpOperation the operation on it (open)
 489  * out:
 490  *      lpResult a buffer, big enough :-(, to store the command to do the
 491  *              operation on the file
 492  *      key a buffer, big enough, to get the key name to do actually the
 493  *              command (it'll be used afterwards for more information
 494  *              on the operation)
 495  */
 496 UINT SHELL_FindExecutable(LPCWSTR lpPath, LPCWSTR lpFile, LPCWSTR lpOperation,
 497                                  LPWSTR lpResult, int resultLen, LPWSTR key, WCHAR **env, LPITEMIDLIST pidl, LPCWSTR args)
 498 {
 499     static const WCHAR wWindows[] = {'w','i','n','d','o','w','s',0};
 500     static const WCHAR wPrograms[] = {'p','r','o','g','r','a','m','s',0};
 501     static const WCHAR wExtensions[] = {'e','x','e',' ','p','i','f',' ','b','a','t',' ','c','m','d',' ','c','o','m',0};
 502     WCHAR *extension = NULL; /* pointer to file extension */
 503     WCHAR filetype[256];     /* registry name for this filetype */
 504     LONG  filetypelen = sizeof(filetype); /* length of above */
 505     WCHAR command[1024];     /* command from registry */
 506     WCHAR wBuffer[256];      /* Used to GetProfileString */
 507     UINT  retval = 31;       /* default - 'No association was found' */
 508     WCHAR *tok;              /* token pointer */
 509     WCHAR xlpFile[256];      /* result of SearchPath */
 510     DWORD attribs;           /* file attributes */
 511
 512     TRACE("%s\n", (lpFile != NULL) ? debugstr_w(lpFile) : "-");
 513
 514     xlpFile[0] = '\0';
 515     lpResult[0] = '\0'; /* Start off with an empty return string */
 516     if (key) *key = '\0';
 517
 518     /* trap NULL parameters on entry */
 519     if ((lpFile == NULL) || (lpResult == NULL))
 520     {
 521         WARN("(lpFile=%s,lpResult=%s): NULL parameter\n",
 522              debugstr_w(lpFile), debugstr_w(lpResult));
 523         return 2; /* File not found. Close enough, I guess. */
 524     }
 525
 526     if (SHELL_TryAppPathW( lpFile, lpResult, env ))
 527     {
 528         TRACE("found %s via App Paths\n", debugstr_w(lpResult));
 529         return 33;
 530     }
 531
 532     if (SearchPathW(lpPath, lpFile, wszExe, sizeof(xlpFile)/sizeof(WCHAR), xlpFile, NULL))
 533     {
 534         TRACE("SearchPathW returned non-zero\n");
 535         lpFile = xlpFile;
 536         /* Hey, isn't this value ignored?  Why make this call?  Shouldn't we return here?  --dank*/
 537     }
 538
 539     attribs = GetFileAttributesW(lpFile);
 540     if (attribs!=INVALID_FILE_ATTRIBUTES && (attribs&FILE_ATTRIBUTE_DIRECTORY))
 541     {
 542        strcpyW(filetype, wszFolder);
 543        filetypelen = 6;    /* strlen("Folder") */
 544     }
 545     else
 546     {
 547         /* First thing we need is the file's extension */
 548         extension = strrchrW(xlpFile, '.'); /* Assume last "." is the one; */
 549         /* File->Run in progman uses */
 550         /* .\FILE.EXE :( */
 551         TRACE("xlpFile=%s,extension=%s\n", debugstr_w(xlpFile), debugstr_w(extension));
 552
 553         if (extension == NULL || extension[1]==0)
 554         {
 555             WARN("Returning 31 - No association\n");
 556             return 31; /* no association */
 557         }
 558
 559         /* Three places to check: */
 560         /* 1. win.ini, [windows], programs (NB no leading '.') */
 561         /* 2. Registry, HKEY_CLASS_ROOT\<filetype>\shell\open\command */
 562         /* 3. win.ini, [extensions], extension (NB no leading '.' */
 563         /* All I know of the order is that registry is checked before */
 564         /* extensions; however, it'd make sense to check the programs */
 565         /* section first, so that's what happens here. */
 566
 567         /* See if it's a program - if GetProfileString fails, we skip this
 568          * section. Actually, if GetProfileString fails, we've probably
 569          * got a lot more to worry about than running a program... */
 570         if (GetProfileStringW(wWindows, wPrograms, wExtensions, wBuffer, sizeof(wBuffer)/sizeof(WCHAR)) > 0)
 571         {
 572             CharLowerW(wBuffer);
 573             tok = wBuffer;
 574             while (*tok)
 575             {
 576                 WCHAR *p = tok;
 577                 while (*p && *p != ' ' && *p != '\t') p++;
 578                 if (*p)
 579                 {
 580                     *p++ = 0;
 581                     while (*p == ' ' || *p == '\t') p++;
 582                 }
 583
 584                 if (strcmpiW(tok, &extension[1]) == 0) /* have to skip the leading "." */
 585                 {
 586                     strcpyW(lpResult, xlpFile);
 587                     /* Need to perhaps check that the file has a path
 588                      * attached */
 589                     TRACE("found %s\n", debugstr_w(lpResult));
 590                     return 33;
 591
 592                     /* Greater than 32 to indicate success FIXME According to the
 593                      * docs, I should be returning a handle for the
 594                      * executable. Does this mean I'm supposed to open the
 595                      * executable file or something? More RTFM, I guess... */
 596                 }
 597                 tok = p;
 598             }
 599         }
 600
 601         /* Check registry */
 602         if (RegQueryValueW(HKEY_CLASSES_ROOT, extension, filetype,
 603                            &filetypelen) == ERROR_SUCCESS)
 604         {
 605             filetypelen /= sizeof(WCHAR);
 606             filetype[filetypelen] = '\0';
 607             TRACE("File type: %s\n", debugstr_w(filetype));
 608         }
 609         else
 610         {
 611             *filetype = '\0';
 612             filetypelen = 0;
 613         }
 614     }
 615
 616     if (*filetype)
 617     {
 618         /* pass the operation string to SHELL_FindExecutableByOperation() */
 619         filetype[filetypelen] = '\0';
 620         retval = SHELL_FindExecutableByOperation(lpPath, lpFile, lpOperation, key, filetype, command, sizeof(command));
 621
 622         if (retval > 32)
 623         {
 624             SHELL_ArgifyW(lpResult, resultLen, command, xlpFile, pidl, args);
 625
 626             /* Remove double quotation marks and command line arguments */
 627             if (*lpResult == '"')
 628             {
 629                 WCHAR *p = lpResult;
 630                 while (*(p + 1) != '"')
 631                 {
 632                     *p = *(p + 1);
 633                     p++;
 634                 }
 635                 *p = '\0';
 636             }
 637         }
 638     }
 639     else /* Check win.ini */
 640     {
 641         static const WCHAR wExtensions[] = {'e','x','t','e','n','s','i','o','n','s',0};
 642
 643         /* Toss the leading dot */
 644         extension++;
 645         if (GetProfileStringW(wExtensions, extension, wszEmpty, command, sizeof(command)/sizeof(WCHAR)) > 0)
 646         {
 647             if (strlenW(command) != 0)
 648             {
 649                 strcpyW(lpResult, command);
 650                 tok = strchrW(lpResult, '^'); /* should be ^.extension? */
 651                 if (tok != NULL)
 652                 {
 653                     tok[0] = '\0';
 654                     strcatW(lpResult, xlpFile); /* what if no dir in xlpFile? */
 655                     tok = strchrW(command, '^'); /* see above */
 656                     if ((tok != NULL) && (strlenW(tok)>5))
 657                     {
 658                         strcatW(lpResult, &tok[5]);
 659                     }
 660                 }
 661                 retval = 33; /* FIXME - see above */
 662             }
 663         }
 664     }
 665
 666     TRACE("returning %s\n", debugstr_w(lpResult));
 667     return retval;
 668 }
 669
 670 /******************************************************************
 671  *              dde_cb
 672  *
 673  * callback for the DDE connection. not really useful
 674  */
 675 static HDDEDATA CALLBACK dde_cb(UINT uType, UINT uFmt, HCONV hConv,
 676                                 HSZ hsz1, HSZ hsz2, HDDEDATA hData,
 677                                 ULONG_PTR dwData1, ULONG_PTR dwData2)
 678 {
 679     TRACE("dde_cb: %04x, %04x, %p, %p, %p, %p, %08lx, %08lx\n",
 680            uType, uFmt, hConv, hsz1, hsz2, hData, dwData1, dwData2);
 681     return NULL;
 682 }
 683
 684 /******************************************************************
 685  *              dde_connect
 686  *
 687  * ShellExecute helper. Used to do an operation with a DDE connection
 688  *
 689  * Handles both the direct connection (try #1), and if it fails,
 690  * launching an application and trying (#2) to connect to it
 691  *
 692  */
 693 static unsigned dde_connect(WCHAR* key, const WCHAR* start, WCHAR* ddeexec,
 694                             const WCHAR* lpFile, WCHAR *env,
 695                             LPCWSTR szCommandline, LPITEMIDLIST pidl, SHELL_ExecuteW32 execfunc,
 696                             LPSHELLEXECUTEINFOW psei, LPSHELLEXECUTEINFOW psei_out)
 697 {
 698     static const WCHAR wApplication[] = {'\\','a','p','p','l','i','c','a','t','i','o','n',0};
 699     static const WCHAR wTopic[] = {'\\','t','o','p','i','c',0};
 700     WCHAR *     endkey = key + strlenW(key);
 701     WCHAR       app[256], topic[256], ifexec[256], res[256];
 702     LONG        applen, topiclen, ifexeclen;
 703     WCHAR *     exec;
 704     DWORD       ddeInst = 0;
 705     DWORD       tid;
 706     HSZ         hszApp, hszTopic;
 707     HCONV       hConv;
 708     HDDEDATA    hDdeData;
 709     unsigned    ret = 31;
 710     BOOL unicode = !(GetVersion() & 0x80000000);
 711
 712     strcpyW(endkey, wApplication);
 713     applen = sizeof(app);
 714     if (RegQueryValueW(HKEY_CLASSES_ROOT, key, app, &applen) != ERROR_SUCCESS)
 715     {
 716         FIXME("default app name NIY %s\n", debugstr_w(key));
 717         return 2;
 718     }
 719
 720     strcpyW(endkey, wTopic);
 721     topiclen = sizeof(topic);
 722     if (RegQueryValueW(HKEY_CLASSES_ROOT, key, topic, &topiclen) != ERROR_SUCCESS)
 723     {
 724         static const WCHAR wSystem[] = {'S','y','s','t','e','m',0};
 725         strcpyW(topic, wSystem);
 726     }
 727
 728     if (unicode)
 729     {
 730         if (DdeInitializeW(&ddeInst, dde_cb, APPCMD_CLIENTONLY, 0L) != DMLERR_NO_ERROR)
 731             return 2;
 732     }
 733     else
 734     {
 735         if (DdeInitializeA(&ddeInst, dde_cb, APPCMD_CLIENTONLY, 0L) != DMLERR_NO_ERROR)
 736             return 2;
 737     }
 738
 739     hszApp = DdeCreateStringHandleW(ddeInst, app, CP_WINUNICODE);
 740     hszTopic = DdeCreateStringHandleW(ddeInst, topic, CP_WINUNICODE);
 741
 742     hConv = DdeConnect(ddeInst, hszApp, hszTopic, NULL);
 743     exec = ddeexec;
 744     if (!hConv)
 745     {
 746         static const WCHAR wIfexec[] = {'\\','i','f','e','x','e','c',0};
 747         TRACE("Launching '%s'\n", debugstr_w(start));
 748         ret = execfunc(start, env, TRUE, psei, psei_out);
 749         if (ret < 32)
 750         {
 751             TRACE("Couldn't launch\n");
 752             goto error;
 753         }
 754         hConv = DdeConnect(ddeInst, hszApp, hszTopic, NULL);
 755         if (!hConv)
 756         {
 757             TRACE("Couldn't connect. ret=%d\n", ret);
 758             DdeUninitialize(ddeInst);
 759             SetLastError(ERROR_DDE_FAIL);
 760             return 30; /* whatever */
 761         }
 762         strcpyW(endkey, wIfexec);
 763         ifexeclen = sizeof(ifexec);
 764         if (RegQueryValueW(HKEY_CLASSES_ROOT, key, ifexec, &ifexeclen) == ERROR_SUCCESS)
 765         {
 766             exec = ifexec;
 767         }
 768     }
 769
 770     SHELL_ArgifyW(res, sizeof(res)/sizeof(WCHAR), exec, lpFile, pidl, szCommandline);
 771     TRACE("%s %s => %s\n", debugstr_w(exec), debugstr_w(lpFile), debugstr_w(res));
 772
 773     /* It's documented in the KB 330337 that IE has a bug and returns
 774      * error DMLERR_NOTPROCESSED on XTYP_EXECUTE request.
 775      */
 776     if (unicode)
 777         hDdeData = DdeClientTransaction((LPBYTE)res, (strlenW(res) + 1) * sizeof(WCHAR), hConv, 0L, 0,
 778                                          XTYP_EXECUTE, 30000, &tid);
 779     else
 780     {
 781         DWORD lenA = WideCharToMultiByte(CP_ACP, 0, res, -1, NULL, 0, NULL, NULL);
 782         char *resA = HeapAlloc(GetProcessHeap(), 0, lenA);
 783         WideCharToMultiByte(CP_ACP, 0, res, -1, resA, lenA, NULL, NULL);
 784         hDdeData = DdeClientTransaction( (LPBYTE)resA, lenA, hConv, 0L, 0,
 785                                          XTYP_EXECUTE, 10000, &tid );
 786         HeapFree(GetProcessHeap(), 0, resA);
 787     }
 788     if (hDdeData)
 789         DdeFreeDataHandle(hDdeData);
 790     else
 791         WARN("DdeClientTransaction failed with error %04x\n", DdeGetLastError(ddeInst));
 792     ret = 33;
 793
 794     DdeDisconnect(hConv);
 795
 796  error:
 797     DdeUninitialize(ddeInst);
 798
 799     return ret;
 800 }
 801
 802 /*************************************************************************
 803  *      execute_from_key [Internal]
 804  */
 805 static UINT_PTR execute_from_key(LPWSTR key, LPCWSTR lpFile, WCHAR *env, LPCWSTR szCommandline,
 806                              LPCWSTR executable_name,
 807                              SHELL_ExecuteW32 execfunc,
 808                              LPSHELLEXECUTEINFOW psei, LPSHELLEXECUTEINFOW psei_out)
 809 {
 810     WCHAR cmd[256];
 811     LONG cmdlen = sizeof(cmd);
 812     UINT_PTR retval = 31;
 813
 814     TRACE("%s %s %s %s %s\n", debugstr_w(key), debugstr_w(lpFile), debugstr_w(env),
 815            debugstr_w(szCommandline), debugstr_w(executable_name));
 816
 817     cmd[0] = '\0';
 818
 819     /* Get the application from the registry */
 820     if (RegQueryValueW(HKEY_CLASSES_ROOT, key, cmd, &cmdlen) == ERROR_SUCCESS)
 821     {
 822         WCHAR param[1024];
 823
 824         TRACE("got cmd: %s\n", debugstr_w(cmd));
 825
 826         param[0] = '\0';
 827
 828         /* Is there a replace() function anywhere? */
 829         cmdlen /= sizeof(WCHAR);
 830         cmd[cmdlen] = '\0';
 831         if (!SHELL_ArgifyW(param, sizeof(param)/sizeof(WCHAR), cmd, lpFile, psei->lpIDList, szCommandline))
 832         {
 833             /* looks like there is no %1 param in the cmd, add one */
 834             static const WCHAR oneW[] = { ' ','\"','%','1','\"',0 };
 835             strcatW(cmd, oneW);
 836             SHELL_ArgifyW(param, sizeof(param)/sizeof(WCHAR), cmd, lpFile, psei->lpIDList, szCommandline);
 837         }
 838         TRACE("executing: %s\n", debugstr_w(param));
 839         retval = execfunc(param, env, FALSE, psei, psei_out);
 840     }
 841     else
 842     {
 843         static const WCHAR wCommand[] = {'c','o','m','m','a','n','d',0};
 844         static const WCHAR wDdeexec[] = {'d','d','e','e','x','e','c',0};
 845         LPWSTR tmp;
 846         WCHAR param[256];
 847         LONG paramlen = sizeof(param);
 848
 849         param[0] = '\0';
 850
 851         /* Get the parameters needed by the application
 852            from the associated ddeexec key */
 853         tmp = strstrW(key, wCommand);
 854         assert(tmp);
 855         strcpyW(tmp, wDdeexec);
 856
 857         TRACE("trying ddeexec cmd: %s\n", debugstr_w(key));
 858
 859         if (RegQueryValueW(HKEY_CLASSES_ROOT, key, param, &paramlen) == ERROR_SUCCESS)
 860         {
 861             TRACE("Got ddeexec %s => %s\n", debugstr_w(key), debugstr_w(param));
 862             retval = dde_connect(key, executable_name, param, lpFile, env, szCommandline, psei->lpIDList, execfunc, psei, psei_out);
 863         }
 864         else
 865             WARN("Nothing appropriate found for %s\n", debugstr_w(key));
 866     }
 867
 868     return retval;
 869 }
 870
 871 /*************************************************************************
 872  * FindExecutableA                      [SHELL32.@]
 873  */
 874 HINSTANCE WINAPI FindExecutableA(LPCSTR lpFile, LPCSTR lpDirectory, LPSTR lpResult)
 875 {
 876     HINSTANCE retval;
 877     WCHAR *wFile = NULL, *wDirectory = NULL;
 878     WCHAR wResult[MAX_PATH];
 879
 880     if (lpFile) __SHCloneStrAtoW(&wFile, lpFile);
 881     if (lpDirectory) __SHCloneStrAtoW(&wDirectory, lpDirectory);
 882
 883     retval = FindExecutableW(wFile, wDirectory, wResult);
 884     WideCharToMultiByte(CP_ACP, 0, wResult, -1, lpResult, MAX_PATH, NULL, NULL);
 885     SHFree( wFile );
 886     SHFree( wDirectory );
 887
 888     TRACE("returning %s\n", lpResult);
 889     return retval;
 890 }
 891
 892 /*************************************************************************
 893  * FindExecutableW                      [SHELL32.@]
 894  */
 895 HINSTANCE WINAPI FindExecutableW(LPCWSTR lpFile, LPCWSTR lpDirectory, LPWSTR lpResult)
 896 {
 897     UINT_PTR retval = 31;    /* default - 'No association was found' */
 898     WCHAR old_dir[1024];
 899
 900     TRACE("File %s, Dir %s\n",
 901           (lpFile != NULL ? debugstr_w(lpFile) : "-"), (lpDirectory != NULL ? debugstr_w(lpDirectory) : "-"));
 902
 903     lpResult[0] = '\0'; /* Start off with an empty return string */
 904
 905     /* trap NULL parameters on entry */
 906     if ((lpFile == NULL) || (lpResult == NULL))
 907     {
 908         /* FIXME - should throw a warning, perhaps! */
 909         return (HINSTANCE)2; /* File not found. Close enough, I guess. */
 910     }
 911
 912     if (lpDirectory)
 913     {
 914         GetCurrentDirectoryW(sizeof(old_dir)/sizeof(WCHAR), old_dir);
 915         SetCurrentDirectoryW(lpDirectory);
 916     }
 917
 918     retval = SHELL_FindExecutable(lpDirectory, lpFile, wszOpen, lpResult, MAX_PATH, NULL, NULL, NULL, NULL);
 919
 920     TRACE("returning %s\n", debugstr_w(lpResult));
 921     if (lpDirectory)
 922         SetCurrentDirectoryW(old_dir);
 923     return (HINSTANCE)retval;
 924 }
 925
 926 /* FIXME: is this already implemented somewhere else? */
 927 static HKEY ShellExecute_GetClassKey( LPSHELLEXECUTEINFOW sei )
 928 {
 929     LPCWSTR ext = NULL, lpClass = NULL;
 930     LPWSTR cls = NULL;
 931     DWORD type = 0, sz = 0;
 932     HKEY hkey = 0;
 933     LONG r;
 934
 935     if (sei->fMask & SEE_MASK_CLASSALL)
 936         return sei->hkeyClass;
 937
 938     if (sei->fMask & SEE_MASK_CLASSNAME)
 939         lpClass = sei->lpClass;
 940     else
 941     {
 942         ext = PathFindExtensionW( sei->lpFile );
 943         TRACE("ext = %s\n", debugstr_w( ext ) );
 944         if (!ext)
 945             return hkey;
 946
 947         r = RegOpenKeyW( HKEY_CLASSES_ROOT, ext, &hkey );
 948         if (r != ERROR_SUCCESS )
 949             return hkey;
 950
 951         r = RegQueryValueExW( hkey, NULL, 0, &type, NULL, &sz );
 952         if ( r == ERROR_SUCCESS && type == REG_SZ )
 953         {
 954             sz += sizeof (WCHAR);
 955             cls = HeapAlloc( GetProcessHeap(), 0, sz );
 956             cls[0] = 0;
 957             RegQueryValueExW( hkey, NULL, 0, &type, (LPBYTE) cls, &sz );
 958         }
 959
 960         RegCloseKey( hkey );
 961         lpClass = cls;
 962     }
 963
 964     TRACE("class = %s\n", debugstr_w(lpClass) );
 965
 966     hkey = 0;
 967     if ( lpClass )
 968         RegOpenKeyW( HKEY_CLASSES_ROOT, lpClass, &hkey );
 969
 970     HeapFree( GetProcessHeap(), 0, cls );
 971
 972     return hkey;
 973 }
 974
 975 static IDataObject *shellex_get_dataobj( LPSHELLEXECUTEINFOW sei )
 976 {
 977     LPCITEMIDLIST pidllast = NULL;
 978     IDataObject *dataobj = NULL;
 979     IShellFolder *shf = NULL;
 980     LPITEMIDLIST pidl = NULL;
 981     HRESULT r;
 982
 983     if (sei->fMask & SEE_MASK_CLASSALL)
 984         pidl = sei->lpIDList;
 985     else
 986     {
 987         WCHAR fullpath[MAX_PATH];
 988
 989         fullpath[0] = 0;
 990         r = GetFullPathNameW( sei->lpFile, MAX_PATH, fullpath, NULL );
 991         if (!r)
 992             goto end;
 993
 994         pidl = ILCreateFromPathW( fullpath );
 995     }
 996
 997     r = SHBindToParent( pidl, &IID_IShellFolder, (LPVOID*)&shf, &pidllast );
 998     if ( FAILED( r ) )
 999         goto end;
1000
1001     IShellFolder_GetUIObjectOf( shf, NULL, 1, &pidllast,
1002                                 &IID_IDataObject, NULL, (LPVOID*) &dataobj );
1003
1004 end:
1005     if ( pidl != sei->lpIDList )
1006         ILFree( pidl );
1007     if ( shf )
1008         IShellFolder_Release( shf );
1009     return dataobj;
1010 }
1011
1012 static HRESULT shellex_run_context_menu_default( IShellExtInit *obj,
1013                                                  LPSHELLEXECUTEINFOW sei )
1014 {
1015     IContextMenu *cm = NULL;
1016     CMINVOKECOMMANDINFOEX ici;
1017     MENUITEMINFOW info;
1018     WCHAR string[0x80];
1019     INT i, n, def = -1;
1020     HMENU hmenu = 0;
1021     HRESULT r;
1022
1023     TRACE("%p %p\n", obj, sei );
1024
1025     r = IShellExtInit_QueryInterface( obj, &IID_IContextMenu, (LPVOID*) &cm );
1026     if ( FAILED( r ) )
1027         return r;
1028
1029     hmenu = CreateMenu();
1030     if ( !hmenu )
1031         goto end;
1032
1033     /* the number of the last menu added is returned in r */
1034     r = IContextMenu_QueryContextMenu( cm, hmenu, 0, 0x20, 0x7fff, CMF_DEFAULTONLY );
1035     if ( FAILED( r ) )
1036         goto end;
1037
1038     n = GetMenuItemCount( hmenu );
1039     for ( i = 0; i < n; i++ )
1040     {
1041         memset( &info, 0, sizeof info );
1042         info.cbSize = sizeof info;
1043         info.fMask = MIIM_FTYPE | MIIM_STRING | MIIM_STATE | MIIM_DATA | MIIM_ID;
1044         info.dwTypeData = string;
1045         info.cch = sizeof string;
1046         string[0] = 0;
1047         GetMenuItemInfoW( hmenu, i, TRUE, &info );
1048
1049         TRACE("menu %d %s %08x %08lx %08x %08x\n", i, debugstr_w(string),
1050             info.fState, info.dwItemData, info.fType, info.wID );
1051         if ( ( !sei->lpVerb && (info.fState & MFS_DEFAULT) ) ||
1052              ( sei->lpVerb && !lstrcmpiW( sei->lpVerb, string ) ) )
1053         {
1054             def = i;
1055             break;
1056         }
1057     }
1058
1059     r = E_FAIL;
1060     if ( def == -1 )
1061         goto end;
1062
1063     memset( &ici, 0, sizeof ici );
1064     ici.cbSize = sizeof ici;
1065     ici.fMask = CMIC_MASK_UNICODE;
1066     ici.nShow = sei->nShow;
1067     ici.lpVerb = MAKEINTRESOURCEA( def );
1068     ici.hwnd = sei->hwnd;
1069     ici.lpParametersW = sei->lpParameters;
1070
1071     r = IContextMenu_InvokeCommand( cm, (LPCMINVOKECOMMANDINFO) &ici );
1072
1073     TRACE("invoke command returned %08x\n", r );
1074
1075 end:
1076     if ( hmenu )
1077         DestroyMenu( hmenu );
1078     if ( cm )
1079         IContextMenu_Release( cm );
1080     return r;
1081 }
1082
1083 static HRESULT shellex_load_object_and_run( HKEY hkey, LPCGUID guid, LPSHELLEXECUTEINFOW sei )
1084 {
1085     IDataObject *dataobj = NULL;
1086     IObjectWithSite *ows = NULL;
1087     IShellExtInit *obj = NULL;
1088     HRESULT r;
1089
1090     TRACE("%p %s %p\n", hkey, debugstr_guid( guid ), sei );
1091
1092     r = CoInitialize( NULL );
1093     if ( FAILED( r ) )
1094         goto end;
1095
1096     r = CoCreateInstance( guid, NULL, CLSCTX_INPROC_SERVER,
1097                            &IID_IShellExtInit, (LPVOID*)&obj );
1098     if ( FAILED( r ) )
1099     {
1100         ERR("failed %08x\n", r );
1101         goto end;
1102     }
1103
1104     dataobj = shellex_get_dataobj( sei );
1105     if ( !dataobj )
1106     {
1107         ERR("failed to get data object\n");
1108         goto end;
1109     }
1110
1111     r = IShellExtInit_Initialize( obj, NULL, dataobj, hkey );
1112     if ( FAILED( r ) )
1113         goto end;
1114
1115     r = IShellExtInit_QueryInterface( obj, &IID_IObjectWithSite, (LPVOID*) &ows );
1116     if ( FAILED( r ) )
1117         goto end;
1118
1119     IObjectWithSite_SetSite( ows, NULL );
1120
1121     r = shellex_run_context_menu_default( obj, sei );
1122
1123 end:
1124     if ( ows )
1125         IObjectWithSite_Release( ows );
1126     if ( dataobj )
1127         IDataObject_Release( dataobj );
1128     if ( obj )
1129         IShellExtInit_Release( obj );
1130     CoUninitialize();
1131     return r;
1132 }
1133
1134
1135 /*************************************************************************
1136  *      ShellExecute_FromContextMenu [Internal]
1137  */
1138 static LONG ShellExecute_FromContextMenu( LPSHELLEXECUTEINFOW sei )
1139 {
1140     static const WCHAR szcm[] = { 's','h','e','l','l','e','x','\\',
1141         'C','o','n','t','e','x','t','M','e','n','u','H','a','n','d','l','e','r','s',0 };
1142     HKEY hkey, hkeycm = 0;
1143     WCHAR szguid[39];
1144     HRESULT hr;
1145     GUID guid;
1146     DWORD i;
1147     LONG r;
1148
1149     TRACE("%s\n", debugstr_w(sei->lpFile) );
1150
1151     hkey = ShellExecute_GetClassKey( sei );
1152     if ( !hkey )
1153         return ERROR_FUNCTION_FAILED;
1154
1155     r = RegOpenKeyW( hkey, szcm, &hkeycm );
1156     if ( r == ERROR_SUCCESS )
1157     {
1158         i = 0;
1159         while ( 1 )
1160         {
1161             r = RegEnumKeyW( hkeycm, i++, szguid, 39 );
1162             if ( r != ERROR_SUCCESS )
1163                 break;
1164
1165             hr = CLSIDFromString( szguid, &guid );
1166             if (SUCCEEDED(hr))
1167             {
1168                 /* stop at the first one that succeeds in running */
1169                 hr = shellex_load_object_and_run( hkey, &guid, sei );
1170                 if ( SUCCEEDED( hr ) )
1171                     break;
1172             }
1173         }
1174         RegCloseKey( hkeycm );
1175     }
1176
1177     if ( hkey != sei->hkeyClass )
1178         RegCloseKey( hkey );
1179     return r;
1180 }
1181
1182 /*************************************************************************
1183  *      SHELL_execute [Internal]
1184  */
1185 BOOL SHELL_execute( LPSHELLEXECUTEINFOW sei, SHELL_ExecuteW32 execfunc )
1186 {
1187     static const WCHAR wQuote[] = {'"',0};
1188     static const WCHAR wSpace[] = {' ',0};
1189     static const WCHAR wWww[] = {'w','w','w',0};
1190     static const WCHAR wFile[] = {'f','i','l','e',0};
1191     static const WCHAR wHttp[] = {'h','t','t','p',':','/','/',0};
1192     static const WCHAR wExplorer[] = {'e','x','p','l','o','r','e','r','.','e','x','e',0};
1193     static const DWORD unsupportedFlags =
1194         SEE_MASK_INVOKEIDLIST  | SEE_MASK_ICON         | SEE_MASK_HOTKEY |
1195         SEE_MASK_CONNECTNETDRV | SEE_MASK_FLAG_DDEWAIT | SEE_MASK_FLAG_NO_UI |
1196         SEE_MASK_UNICODE       | SEE_MASK_NO_CONSOLE   | SEE_MASK_ASYNCOK |
1197         SEE_MASK_HMONITOR;
1198
1199     WCHAR *wszApplicationName, wszParameters[1024], wszDir[MAX_PATH];
1200     DWORD dwApplicationNameLen = MAX_PATH+2;
1201     SHELLEXECUTEINFOW sei_tmp;  /* modifiable copy of SHELLEXECUTEINFO struct */
1202     WCHAR wfileName[MAX_PATH];
1203     WCHAR *env;
1204     WCHAR lpstrProtocol[256];
1205     LPCWSTR lpFile;
1206     UINT_PTR retval = 31;
1207     WCHAR wcmd[1024];
1208     WCHAR buffer[MAX_PATH];
1209     BOOL done;
1210
1211     /* make a local copy of the LPSHELLEXECUTEINFO structure and work with this from now on */
1212     memcpy(&sei_tmp, sei, sizeof(sei_tmp));
1213
1214     TRACE("mask=0x%08x hwnd=%p verb=%s file=%s parm=%s dir=%s show=0x%08x class=%s\n",
1215             sei_tmp.fMask, sei_tmp.hwnd, debugstr_w(sei_tmp.lpVerb),
1216             debugstr_w(sei_tmp.lpFile), debugstr_w(sei_tmp.lpParameters),
1217             debugstr_w(sei_tmp.lpDirectory), sei_tmp.nShow,
1218             ((sei_tmp.fMask & SEE_MASK_CLASSALL) == SEE_MASK_CLASSNAME) ?
1219                 debugstr_w(sei_tmp.lpClass) : "not used");
1220
1221     sei->hProcess = NULL;
1222
1223     /* make copies of all path/command strings */
1224     if (!sei_tmp.lpFile)
1225     {
1226         wszApplicationName = HeapAlloc(GetProcessHeap(), 0, dwApplicationNameLen*sizeof(WCHAR));
1227         *wszApplicationName = '\0';
1228     }
1229     else if (*sei_tmp.lpFile == '\"')
1230     {
1231         DWORD l = strlenW(sei_tmp.lpFile+1);
1232         if(l >= dwApplicationNameLen) dwApplicationNameLen = l+1;
1233         wszApplicationName = HeapAlloc(GetProcessHeap(), 0, dwApplicationNameLen*sizeof(WCHAR));
1234         memcpy(wszApplicationName, sei_tmp.lpFile+1, (l+1)*sizeof(WCHAR));
1235         if (wszApplicationName[l-1] == '\"')
1236             wszApplicationName[l-1] = '\0';
1237         TRACE("wszApplicationName=%s\n",debugstr_w(wszApplicationName));
1238     } else {
1239         DWORD l = strlenW(sei_tmp.lpFile)+1;
1240         if(l > dwApplicationNameLen) dwApplicationNameLen = l+1;
1241         wszApplicationName = HeapAlloc(GetProcessHeap(), 0, dwApplicationNameLen*sizeof(WCHAR));
1242         memcpy(wszApplicationName, sei_tmp.lpFile, l*sizeof(WCHAR));
1243     }
1244
1245     if (sei_tmp.lpParameters)
1246         strcpyW(wszParameters, sei_tmp.lpParameters);
1247     else
1248         *wszParameters = '\0';
1249
1250     if (sei_tmp.lpDirectory)
1251         strcpyW(wszDir, sei_tmp.lpDirectory);
1252     else
1253         *wszDir = '\0';
1254
1255     /* adjust string pointers to point to the new buffers */
1256     sei_tmp.lpFile = wszApplicationName;
1257     sei_tmp.lpParameters = wszParameters;
1258     sei_tmp.lpDirectory = wszDir;
1259
1260     if (sei_tmp.fMask & unsupportedFlags)
1261     {
1262         FIXME("flags ignored: 0x%08x\n", sei_tmp.fMask & unsupportedFlags);
1263     }
1264
1265     /* process the IDList */
1266     if (sei_tmp.fMask & SEE_MASK_IDLIST)
1267     {
1268         IShellExecuteHookW* pSEH;
1269
1270         HRESULT hr = SHBindToParent(sei_tmp.lpIDList, &IID_IShellExecuteHookW, (LPVOID*)&pSEH, NULL);
1271
1272         if (SUCCEEDED(hr))
1273         {
1274             hr = IShellExecuteHookW_Execute(pSEH, &sei_tmp);
1275
1276             IShellExecuteHookW_Release(pSEH);
1277
1278             if (hr == S_OK) {
1279                 HeapFree(GetProcessHeap(), 0, wszApplicationName);
1280                 return TRUE;
1281             }
1282         }
1283
1284         SHGetPathFromIDListW(sei_tmp.lpIDList, wszApplicationName);
1285         TRACE("-- idlist=%p (%s)\n", sei_tmp.lpIDList, debugstr_w(wszApplicationName));
1286     }
1287
1288     if ( ERROR_SUCCESS == ShellExecute_FromContextMenu( &sei_tmp ) )
1289     {
1290         sei->hInstApp = (HINSTANCE) 33;
1291         HeapFree(GetProcessHeap(), 0, wszApplicationName);
1292         return TRUE;
1293     }
1294
1295     if (sei_tmp.fMask & SEE_MASK_CLASSALL)
1296     {
1297         /* launch a document by fileclass like 'WordPad.Document.1' */
1298         /* the Commandline contains 'c:\Path\wordpad.exe "%1"' */
1299         /* FIXME: szCommandline should not be of a fixed size. Fixed to 1024, MAX_PATH is way too short! */
1300         ULONG cmask=(sei_tmp.fMask & SEE_MASK_CLASSALL);
1301         HCR_GetExecuteCommandW((cmask == SEE_MASK_CLASSKEY) ? sei_tmp.hkeyClass : NULL,
1302                                (cmask == SEE_MASK_CLASSNAME) ? sei_tmp.lpClass: NULL,
1303                                sei_tmp.lpVerb,
1304                                wszParameters, sizeof(wszParameters)/sizeof(WCHAR));
1305
1306         /* FIXME: get the extension of lpFile, check if it fits to the lpClass */
1307         TRACE("SEE_MASK_CLASSNAME->'%s', doc->'%s'\n", debugstr_w(wszParameters), debugstr_w(wszApplicationName));
1308
1309         wcmd[0] = '\0';
1310         done = SHELL_ArgifyW(wcmd, sizeof(wcmd)/sizeof(WCHAR), wszParameters, wszApplicationName, sei_tmp.lpIDList, NULL);
1311         if (!done && wszApplicationName[0])
1312         {
1313             strcatW(wcmd, wSpace);
1314             strcatW(wcmd, wszApplicationName);
1315         }
1316         retval = execfunc(wcmd, NULL, FALSE, &sei_tmp, sei);
1317
1318         HeapFree(GetProcessHeap(), 0, wszApplicationName);
1319         return retval > 32;
1320     }
1321
1322     /* Has the IDList not yet been translated? */
1323     if (sei_tmp.fMask & SEE_MASK_IDLIST)
1324     {
1325         /* last chance to translate IDList: now also allow CLSID paths */
1326         if (SUCCEEDED(SHELL_GetPathFromIDListForExecuteW(sei_tmp.lpIDList, buffer, sizeof(buffer)))) {
1327             if (buffer[0]==':' && buffer[1]==':') {
1328                 /* open shell folder for the specified class GUID */
1329                 strcpyW(wszParameters, buffer);
1330                 strcpyW(wszApplicationName, wExplorer);
1331
1332                 sei_tmp.fMask &= ~SEE_MASK_INVOKEIDLIST;
1333             } else {
1334                 WCHAR target[MAX_PATH];
1335                 DWORD attribs;
1336                 /* Check if we're executing a directory and if so use the
1337                    handler for the Folder class */
1338                 strcpyW(target, buffer);
1339                 attribs = GetFileAttributesW(buffer);
1340                 if (attribs != INVALID_FILE_ATTRIBUTES &&
1341                     (attribs & FILE_ATTRIBUTE_DIRECTORY) &&
1342                     HCR_GetExecuteCommandW(0, wszFolder,
1343                                            sei_tmp.lpVerb,
1344                                            buffer, sizeof(buffer))) {
1345                     SHELL_ArgifyW(wszApplicationName, dwApplicationNameLen,
1346                                   buffer, target, sei_tmp.lpIDList, NULL);
1347                 }
1348                 sei_tmp.fMask &= ~SEE_MASK_INVOKEIDLIST;
1349             }
1350         }
1351     }
1352
1353     /* expand environment strings */
1354     if (ExpandEnvironmentStringsW(sei_tmp.lpFile, buffer, MAX_PATH))
1355         lstrcpyW(wszApplicationName, buffer);
1356
1357     if (*sei_tmp.lpParameters)
1358         if (ExpandEnvironmentStringsW(sei_tmp.lpParameters, buffer, MAX_PATH))
1359             lstrcpyW(wszParameters, buffer);
1360
1361     if (*sei_tmp.lpDirectory)
1362         if (ExpandEnvironmentStringsW(sei_tmp.lpDirectory, buffer, MAX_PATH))
1363             lstrcpyW(wszDir, buffer);
1364
1365     /* Else, try to execute the filename */
1366     TRACE("execute:%s,%s,%s\n", debugstr_w(wszApplicationName), debugstr_w(wszParameters), debugstr_w(wszDir));
1367
1368     /* separate out command line arguments from executable file name */
1369     if (!*sei_tmp.lpParameters) {
1370         /* If the executable path is quoted, handle the rest of the command line as parameters. */
1371         if (sei_tmp.lpFile[0] == '"') {
1372             LPWSTR src = wszApplicationName/*sei_tmp.lpFile*/ + 1;
1373             LPWSTR dst = wfileName;
1374             LPWSTR end;
1375
1376             /* copy the unquoted executable path to 'wfileName' */
1377             while(*src && *src!='"')
1378                 *dst++ = *src++;
1379
1380             *dst = '\0';
1381
1382             if (*src == '"') {
1383                 end = ++src;
1384
1385                 while(isspace(*src))
1386                     ++src;
1387             } else
1388                 end = src;
1389
1390             /* copy the parameter string to 'wszParameters' */
1391             strcpyW(wszParameters, src);
1392
1393             /* terminate previous command string after the quote character */
1394             *end = '\0';
1395         }
1396         else
1397         {
1398             /* If the executable name is not quoted, we have to use this search loop here,
1399                that in CreateProcess() is not sufficient because it does not handle shell links. */
1400             WCHAR buffer[MAX_PATH], xlpFile[MAX_PATH];
1401             LPWSTR space, s;
1402
1403             LPWSTR beg = wszApplicationName/*sei_tmp.lpFile*/;
1404             for(s=beg; (space=strchrW(s, ' ')); s=space+1) {
1405                 int idx = space-sei_tmp.lpFile;
1406                 memcpy(buffer, sei_tmp.lpFile, idx * sizeof(WCHAR));
1407                 buffer[idx] = '\0';
1408
1409                 /*FIXME This finds directory paths if the targeted file name contains spaces. */
1410                 if (SearchPathW(*sei_tmp.lpDirectory? sei_tmp.lpDirectory: NULL, buffer, wszExe, sizeof(xlpFile), xlpFile, NULL))
1411                 {
1412                     /* separate out command from parameter string */
1413                     LPCWSTR p = space + 1;
1414
1415                     while(isspaceW(*p))
1416                         ++p;
1417
1418                     strcpyW(wszParameters, p);
1419                     *space = '\0';
1420
1421                     break;
1422                 }
1423             }
1424
1425             strcpyW(wfileName, sei_tmp.lpFile);
1426         }
1427     } else
1428         strcpyW(wfileName, sei_tmp.lpFile);
1429
1430     lpFile = wfileName;
1431
1432     strcpyW(wcmd, wszApplicationName);
1433     if (sei_tmp.lpParameters[0]) {
1434         strcatW(wcmd, wSpace);
1435         strcatW(wcmd, wszParameters);
1436     }
1437
1438     retval = execfunc(wcmd, NULL, FALSE, &sei_tmp, sei);
1439     if (retval > 32) {
1440         HeapFree(GetProcessHeap(), 0, wszApplicationName);
1441         return TRUE;
1442     }
1443
1444     /* Else, try to find the executable */
1445     wcmd[0] = '\0';
1446     retval = SHELL_FindExecutable(sei_tmp.lpDirectory, lpFile, sei_tmp.lpVerb, wcmd, 1024, lpstrProtocol, &env, sei_tmp.lpIDList, sei_tmp.lpParameters);
1447     if (retval > 32)  /* Found */
1448     {
1449         WCHAR wszQuotedCmd[MAX_PATH+2];
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(sei_tmp.lpVerb), debugstr_w(wszQuotedCmd), debugstr_w(lpstrProtocol));
1461         if (*lpstrProtocol)
1462             retval = execute_from_key(lpstrProtocol, wszApplicationName, env, sei_tmp.lpParameters, wcmd, execfunc, &sei_tmp, sei);
1463         else
1464             retval = execfunc(wszQuotedCmd, env, FALSE, &sei_tmp, sei);
1465         HeapFree( GetProcessHeap(), 0, env );
1466     }
1467     else if (PathIsURLW(lpFile))    /* File not found, check for URL */
1468     {
1469         static const WCHAR wShell[] = {'\\','s','h','e','l','l','\\',0};
1470         static const WCHAR wCommand[] = {'\\','c','o','m','m','a','n','d',0};
1471         LPWSTR lpstrRes;
1472         INT iSize;
1473
1474         lpstrRes = strchrW(lpFile, ':');
1475         if (lpstrRes)
1476             iSize = lpstrRes - lpFile;
1477         else
1478             iSize = strlenW(lpFile);
1479
1480         TRACE("Got URL: %s\n", debugstr_w(lpFile));
1481         /* Looking for ...protocol\shell\lpOperation\command */
1482         memcpy(lpstrProtocol, lpFile, iSize*sizeof(WCHAR));
1483         lpstrProtocol[iSize] = '\0';
1484         strcatW(lpstrProtocol, wShell);
1485         strcatW(lpstrProtocol, sei_tmp.lpVerb? sei_tmp.lpVerb: wszOpen);
1486         strcatW(lpstrProtocol, wCommand);
1487
1488         /* Remove File Protocol from lpFile */
1489         /* In the case file://path/file     */
1490         if (!strncmpiW(lpFile, wFile, iSize))
1491         {
1492             lpFile += iSize;
1493             while (*lpFile == ':') lpFile++;
1494         }
1495         retval = execute_from_key(lpstrProtocol, lpFile, NULL, sei_tmp.lpParameters, wcmd, execfunc, &sei_tmp, sei);
1496     }
1497     /* Check if file specified is in the form www.??????.*** */
1498     else if (!strncmpiW(lpFile, wWww, 3))
1499     {
1500         /* if so, append lpFile http:// and call ShellExecute */
1501         WCHAR lpstrTmpFile[256];
1502         strcpyW(lpstrTmpFile, wHttp);
1503         strcatW(lpstrTmpFile, lpFile);
1504         retval = (UINT_PTR)ShellExecuteW(sei_tmp.hwnd, sei_tmp.lpVerb, lpstrTmpFile, NULL, NULL, 0);
1505     }
1506
1507     TRACE("retval %u\n", retval);
1508
1509     HeapFree(GetProcessHeap(), 0, wszApplicationName);
1510
1511     sei->hInstApp = (HINSTANCE)(retval > 32 ? 33 : retval);
1512     return retval > 32;
1513 }
1514
1515 /*************************************************************************
1516  * ShellExecuteA                        [SHELL32.290]
1517  */
1518 HINSTANCE WINAPI ShellExecuteA(HWND hWnd, LPCSTR lpOperation,LPCSTR lpFile,
1519                                LPCSTR lpParameters,LPCSTR lpDirectory, INT iShowCmd)
1520 {
1521     SHELLEXECUTEINFOA sei;
1522
1523     TRACE("%p,%s,%s,%s,%s,%d\n",
1524           hWnd, debugstr_a(lpOperation), debugstr_a(lpFile),
1525           debugstr_a(lpParameters), debugstr_a(lpDirectory), iShowCmd);
1526
1527     sei.cbSize = sizeof(sei);
1528     sei.fMask = 0;
1529     sei.hwnd = hWnd;
1530     sei.lpVerb = lpOperation;
1531     sei.lpFile = lpFile;
1532     sei.lpParameters = lpParameters;
1533     sei.lpDirectory = lpDirectory;
1534     sei.nShow = iShowCmd;
1535     sei.lpIDList = 0;
1536     sei.lpClass = 0;
1537     sei.hkeyClass = 0;
1538     sei.dwHotKey = 0;
1539     sei.hProcess = 0;
1540
1541     ShellExecuteExA (&sei);
1542     return sei.hInstApp;
1543 }
1544
1545 /*************************************************************************
1546  * ShellExecuteExA                              [SHELL32.292]
1547  *
1548  */
1549 BOOL WINAPI ShellExecuteExA (LPSHELLEXECUTEINFOA sei)
1550 {
1551     SHELLEXECUTEINFOW seiW;
1552     BOOL ret;
1553     WCHAR *wVerb = NULL, *wFile = NULL, *wParameters = NULL, *wDirectory = NULL, *wClass = NULL;
1554
1555     TRACE("%p\n", sei);
1556
1557     memcpy(&seiW, sei, sizeof(SHELLEXECUTEINFOW));
1558
1559     if (sei->lpVerb)
1560         seiW.lpVerb = __SHCloneStrAtoW(&wVerb, sei->lpVerb);
1561
1562     if (sei->lpFile)
1563         seiW.lpFile = __SHCloneStrAtoW(&wFile, sei->lpFile);
1564
1565     if (sei->lpParameters)
1566         seiW.lpParameters = __SHCloneStrAtoW(&wParameters, sei->lpParameters);
1567
1568     if (sei->lpDirectory)
1569         seiW.lpDirectory = __SHCloneStrAtoW(&wDirectory, sei->lpDirectory);
1570
1571     if ((sei->fMask & SEE_MASK_CLASSALL) == SEE_MASK_CLASSNAME && sei->lpClass)
1572         seiW.lpClass = __SHCloneStrAtoW(&wClass, sei->lpClass);
1573     else
1574         seiW.lpClass = NULL;
1575
1576     ret = SHELL_execute( &seiW, SHELL_ExecuteW );
1577
1578     sei->hInstApp = seiW.hInstApp;
1579
1580     if (sei->fMask & SEE_MASK_NOCLOSEPROCESS)
1581         sei->hProcess = seiW.hProcess;
1582
1583     SHFree(wVerb);
1584     SHFree(wFile);
1585     SHFree(wParameters);
1586     SHFree(wDirectory);
1587     SHFree(wClass);
1588
1589     return ret;
1590 }
1591
1592 /*************************************************************************
1593  * ShellExecuteExW                              [SHELL32.293]
1594  *
1595  */
1596 BOOL WINAPI ShellExecuteExW (LPSHELLEXECUTEINFOW sei)
1597 {
1598     return SHELL_execute( sei, SHELL_ExecuteW );
1599 }
1600
1601 /*************************************************************************
1602  * ShellExecuteW                        [SHELL32.294]
1603  * from shellapi.h
1604  * WINSHELLAPI HINSTANCE APIENTRY ShellExecuteW(HWND hwnd, LPCWSTR lpOperation,
1605  * LPCWSTR lpFile, LPCWSTR lpParameters, LPCWSTR lpDirectory, INT nShowCmd);
1606  */
1607 HINSTANCE WINAPI ShellExecuteW(HWND hwnd, LPCWSTR lpOperation, LPCWSTR lpFile,
1608                                LPCWSTR lpParameters, LPCWSTR lpDirectory, INT nShowCmd)
1609 {
1610     SHELLEXECUTEINFOW sei;
1611
1612     TRACE("\n");
1613     sei.cbSize = sizeof(sei);
1614     sei.fMask = 0;
1615     sei.hwnd = hwnd;
1616     sei.lpVerb = lpOperation;
1617     sei.lpFile = lpFile;
1618     sei.lpParameters = lpParameters;
1619     sei.lpDirectory = lpDirectory;
1620     sei.nShow = nShowCmd;
1621     sei.lpIDList = 0;
1622     sei.lpClass = 0;
1623     sei.hkeyClass = 0;
1624     sei.dwHotKey = 0;
1625     sei.hProcess = 0;
1626
1627     SHELL_execute( &sei, SHELL_ExecuteW );
1628     return sei.hInstApp;
1629 }