dlls/shell32/shlexec.c

   1 /*
   2  *                              Shell Library Functions
   3  *
   4  * Copyright 1998 Marcus Meissner
   5  * Copyright 2002 Eric Pouech
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #include "config.h"
  23 #include "wine/port.h"
  24
  25 #include <stdlib.h>
  26 #include <string.h>
  27 #include <stdarg.h>
  28 #include <stdio.h>
  29 #ifdef HAVE_UNISTD_H
  30 # include <unistd.h>
  31 #endif
  32 #include <ctype.h>
  33 #include <assert.h>
  34
  35 #define COBJMACROS
  36
  37 #include "windef.h"
  38 #include "winbase.h"
  39 #include "winerror.h"
  40 #include "winreg.h"
  41 #include "winuser.h"
  42 #include "shlwapi.h"
  43 #include "ddeml.h"
  44
  45 #include "shell32_main.h"
  46 #include "pidl.h"
  47 #include "shresdef.h"
  48
  49 #include "wine/debug.h"
  50
  51 WINE_DEFAULT_DEBUG_CHANNEL(exec);
  52
  53 static const WCHAR wszOpen[] = {'o','p','e','n',0};
  54 static const WCHAR wszExe[] = {'.','e','x','e',0};
  55 static const WCHAR wszILPtr[] = {':','%','p',0};
  56 static const WCHAR wszShell[] = {'\\','s','h','e','l','l','\\',0};
  57 static const WCHAR wszFolder[] = {'F','o','l','d','e','r',0};
  58 static const WCHAR wszEmpty[] = {0};
  59
  60 #define SEE_MASK_CLASSALL (SEE_MASK_CLASSNAME | SEE_MASK_CLASSKEY)
  61
  62 typedef UINT_PTR (*SHELL_ExecuteW32)(const WCHAR *lpCmd, WCHAR *env, BOOL shWait,
  63                             const SHELLEXECUTEINFOW *sei, LPSHELLEXECUTEINFOW sei_out);
  64
  65
  66 /***********************************************************************
  67  *      SHELL_ArgifyW [Internal]
  68  *
  69  * this function is supposed to expand the escape sequences found in the registry
  70  * some diving reported that the following were used:
  71  * + %1, %2...  seem to report to parameter of index N in ShellExecute pmts
  72  *      %1 file
  73  *      %2 printer
  74  *      %3 driver
  75  *      %4 port
  76  * %I address of a global item ID (explorer switch /idlist)
  77  * %L seems to be %1 as long filename followed by the 8+3 variation
  78  * %S ???
  79  * %* all following parameters (see batfile)
  80  *
  81  */
  82 static BOOL SHELL_ArgifyW(WCHAR* out, int len, const WCHAR* fmt, const WCHAR* lpFile, LPITEMIDLIST pidl, LPCWSTR args, DWORD* out_len)
  83 {
  84     WCHAR   xlpFile[1024];
  85     BOOL    done = FALSE;
  86     BOOL    found_p1 = FALSE;
  87     PWSTR   res = out;
  88     PCWSTR  cmd;
  89     DWORD   used = 0;
  90
  91     TRACE("%p, %d, %s, %s, %p, %p\n", out, len, debugstr_w(fmt),
  92           debugstr_w(lpFile), pidl, args);
  93
  94     while (*fmt)
  95     {
  96         if (*fmt == '%')
  97         {
  98             switch (*++fmt)
  99             {
 100             case '\0':
 101             case '%':
 102                 used++;
 103                 if (used < len)
 104                     *res++ = '%';
 105                 break;
 106
 107             case '2':
 108             case '3':
 109             case '4':
 110             case '5':
 111             case '6':
 112             case '7':
 113             case '8':
 114             case '9':
 115             case '0':
 116             case '*':
 117                 if (args)
 118                 {
 119                     if (*fmt == '*')
 120                     {
 121                         used++;
 122                         if (used < len)
 123                             *res++ = '"';
 124                         while(*args)
 125                         {
 126                             used++;
 127                             if (used < len)
 128                                 *res++ = *args++;
 129                             else
 130                                 args++;
 131                         }
 132                         used++;
 133                         if (used < len)
 134                             *res++ = '"';
 135                     }
 136                     else
 137                     {
 138                         while(*args && !isspace(*args))
 139                         {
 140                             used++;
 141                             if (used < len)
 142                                 *res++ = *args++;
 143                             else
 144                                 args++;
 145                         }
 146
 147                         while(isspace(*args))
 148                             ++args;
 149                     }
 150                     break;
 151                 }
 152                 /* else fall through */
 153             case '1':
 154                 if (!done || (*fmt == '1'))
 155                 {
 156                     /*FIXME Is the call to SearchPathW() really needed? We already have separated out the parameter string in args. */
 157                     if (SearchPathW(NULL, lpFile, wszExe, sizeof(xlpFile)/sizeof(WCHAR), xlpFile, NULL))
 158                         cmd = xlpFile;
 159                     else
 160                         cmd = lpFile;
 161
 162                     used += strlenW(cmd);
 163                     if (used < len)
 164                     {
 165                         strcpyW(res, cmd);
 166                         res += strlenW(cmd);
 167                     }
 168                 }
 169                 found_p1 = TRUE;
 170                 break;
 171
 172             /*
 173              * IE uses this a lot for activating things such as windows media
 174              * player. This is not verified to be fully correct but it appears
 175              * to work just fine.
 176              */
 177             case 'l':
 178             case 'L':
 179                 if (lpFile) {
 180                     used += strlenW(lpFile);
 181                     if (used < len)
 182                     {
 183                         strcpyW(res, lpFile);
 184                         res += strlenW(lpFile);
 185                     }
 186                 }
 187                 found_p1 = TRUE;
 188                 break;
 189
 190             case 'i':
 191             case 'I':
 192                 if (pidl) {
 193                     INT chars = 0;
 194                     /* %p should not exceed 8, maybe 16 when looking forward to 64bit.
 195                      * allowing a buffer of 100 should more than exceed all needs */
 196                     WCHAR buf[100];
 197                     LPVOID  pv;
 198                     HGLOBAL hmem = SHAllocShared(pidl, ILGetSize(pidl), 0);
 199                     pv = SHLockShared(hmem, 0);
 200                     chars = sprintfW(buf, wszILPtr, pv);
 201                     if (chars >= sizeof(buf)/sizeof(WCHAR))
 202                         ERR("pidl format buffer too small!\n");
 203                     used += chars;
 204                     if (used < len)
 205                     {
 206                         strcpyW(res,buf);
 207                         res += chars;
 208                     }
 209                     SHUnlockShared(pv);
 210                 }
 211                 found_p1 = TRUE;
 212                 break;
 213
 214             default:
 215                 /*
 216                  * Check if this is an env-variable here...
 217                  */
 218
 219                 /* Make sure that we have at least one more %.*/
 220                 if (strchrW(fmt, '%'))
 221                 {
 222                     WCHAR   tmpBuffer[1024];
 223                     PWSTR   tmpB = tmpBuffer;
 224                     WCHAR   tmpEnvBuff[MAX_PATH];
 225                     DWORD   envRet;
 226
 227                     while (*fmt != '%')
 228                         *tmpB++ = *fmt++;
 229                     *tmpB++ = 0;
 230
 231                     TRACE("Checking %s to be an env-var\n", debugstr_w(tmpBuffer));
 232
 233                     envRet = GetEnvironmentVariableW(tmpBuffer, tmpEnvBuff, MAX_PATH);
 234                     if (envRet == 0 || envRet > MAX_PATH)
 235                     {
 236                         used += strlenW(tmpBuffer);
 237                         if (used < len)
 238                         {
 239                             strcpyW( res, tmpBuffer );
 240                             res += strlenW(tmpBuffer);
 241                         }
 242                     }
 243                     else
 244                     {
 245                         used += strlenW(tmpEnvBuff);
 246                         if (used < len)
 247                         {
 248                             strcpyW( res, tmpEnvBuff );
 249                             res += strlenW(tmpEnvBuff);
 250                         }
 251                     }
 252                 }
 253                 done = TRUE;
 254                 break;
 255             }
 256             /* Don't skip past terminator (catch a single '%' at the end) */
 257             if (*fmt != '\0')
 258             {
 259                 fmt++;
 260             }
 261         }
 262         else
 263         {
 264             used ++;
 265             if (used < len)
 266                 *res++ = *fmt++;
 267             else
 268                 fmt++;
 269         }
 270     }
 271
 272     used ++;
 273     if (res - out < len)
 274         *res = '\0';
 275     else
 276         out[len-1] = '\0';
 277
 278     TRACE("used %i of %i space\n",used,len);
 279     if (out_len)
 280         *out_len = used;
 281
 282     return found_p1;
 283 }
 284
 285 static HRESULT SHELL_GetPathFromIDListForExecuteW(LPCITEMIDLIST pidl, LPWSTR pszPath, UINT uOutSize)
 286 {
 287     STRRET strret;
 288     IShellFolder* desktop;
 289
 290     HRESULT hr = SHGetDesktopFolder(&desktop);
 291
 292     if (SUCCEEDED(hr)) {
 293         hr = IShellFolder_GetDisplayNameOf(desktop, pidl, SHGDN_FORPARSING, &strret);
 294
 295         if (SUCCEEDED(hr))
 296             StrRetToStrNW(pszPath, uOutSize, &strret, pidl);
 297
 298         IShellFolder_Release(desktop);
 299     }
 300
 301     return hr;
 302 }
 303
 304 /*************************************************************************
 305  *      SHELL_ExecuteW [Internal]
 306  *
 307  */
 308 static UINT_PTR SHELL_ExecuteW(const WCHAR *lpCmd, WCHAR *env, BOOL shWait,
 309                             const SHELLEXECUTEINFOW *psei, LPSHELLEXECUTEINFOW psei_out)
 310 {
 311     STARTUPINFOW  startup;
 312     PROCESS_INFORMATION info;
 313     UINT_PTR retval = SE_ERR_NOASSOC;
 314     UINT gcdret = 0;
 315     WCHAR curdir[MAX_PATH];
 316     DWORD dwCreationFlags;
 317     const WCHAR *lpDirectory = NULL;
 318
 319     TRACE("Execute %s from directory %s\n", debugstr_w(lpCmd), debugstr_w(psei->lpDirectory));
 320
 321     /* make sure we don't fail the CreateProcess if the calling app passes in
 322      * a bad working directory */
 323     if (psei->lpDirectory && psei->lpDirectory[0])
 324     {
 325         DWORD attr = GetFileAttributesW(psei->lpDirectory);
 326         if (attr != INVALID_FILE_ATTRIBUTES && attr & FILE_ATTRIBUTE_DIRECTORY)
 327             lpDirectory = psei->lpDirectory;
 328     }
 329
 330     /* ShellExecute specifies the command from psei->lpDirectory
 331      * if present. Not from the current dir as CreateProcess does */
 332     if( lpDirectory )
 333         if( ( gcdret = GetCurrentDirectoryW( MAX_PATH, curdir)))
 334             if( !SetCurrentDirectoryW( lpDirectory))
 335                 ERR("cannot set directory %s\n", debugstr_w(lpDirectory));
 336     ZeroMemory(&startup,sizeof(STARTUPINFOW));
 337     startup.cb = sizeof(STARTUPINFOW);
 338     startup.dwFlags = STARTF_USESHOWWINDOW;
 339     startup.wShowWindow = psei->nShow;
 340     dwCreationFlags = CREATE_UNICODE_ENVIRONMENT;
 341     if (psei->fMask & SEE_MASK_NO_CONSOLE)
 342         dwCreationFlags |= CREATE_NEW_CONSOLE;
 343     if (CreateProcessW(NULL, (LPWSTR)lpCmd, NULL, NULL, FALSE, dwCreationFlags, env,
 344                        lpDirectory, &startup, &info))
 345     {
 346         /* Give 30 seconds to the app to come up, if desired. Probably only needed
 347            when starting app immediately before making a DDE connection. */
 348         if (shWait)
 349             if (WaitForInputIdle( info.hProcess, 30000 ) == WAIT_FAILED)
 350                 WARN("WaitForInputIdle failed: Error %d\n", GetLastError() );
 351         retval = 33;
 352         if (psei->fMask & SEE_MASK_NOCLOSEPROCESS)
 353             psei_out->hProcess = info.hProcess;
 354         else
 355             CloseHandle( info.hProcess );
 356         CloseHandle( info.hThread );
 357     }
 358     else if ((retval = GetLastError()) >= 32)
 359     {
 360         TRACE("CreateProcess returned error %ld\n", retval);
 361         retval = ERROR_BAD_FORMAT;
 362     }
 363
 364     TRACE("returning %lu\n", retval);
 365
 366     psei_out->hInstApp = (HINSTANCE)retval;
 367     if( gcdret )
 368         if( !SetCurrentDirectoryW( curdir))
 369             ERR("cannot return to directory %s\n", debugstr_w(curdir));
 370
 371     return retval;
 372 }
 373
 374
 375 /***********************************************************************
 376  *           SHELL_BuildEnvW    [Internal]
 377  *
 378  * Build the environment for the new process, adding the specified
 379  * path to the PATH variable. Returned pointer must be freed by caller.
 380  */
 381 static void *SHELL_BuildEnvW( const WCHAR *path )
 382 {
 383     static const WCHAR wPath[] = {'P','A','T','H','=',0};
 384     WCHAR *strings, *new_env;
 385     WCHAR *p, *p2;
 386     int total = strlenW(path) + 1;
 387     BOOL got_path = FALSE;
 388
 389     if (!(strings = GetEnvironmentStringsW())) return NULL;
 390     p = strings;
 391     while (*p)
 392     {
 393         int len = strlenW(p) + 1;
 394         if (!strncmpiW( p, wPath, 5 )) got_path = TRUE;
 395         total += len;
 396         p += len;
 397     }
 398     if (!got_path) total += 5;  /* we need to create PATH */
 399     total++;  /* terminating null */
 400
 401     if (!(new_env = HeapAlloc( GetProcessHeap(), 0, total * sizeof(WCHAR) )))
 402     {
 403         FreeEnvironmentStringsW( strings );
 404         return NULL;
 405     }
 406     p = strings;
 407     p2 = new_env;
 408     while (*p)
 409     {
 410         int len = strlenW(p) + 1;
 411         memcpy( p2, p, len * sizeof(WCHAR) );
 412         if (!strncmpiW( p, wPath, 5 ))
 413         {
 414             p2[len - 1] = ';';
 415             strcpyW( p2 + len, path );
 416             p2 += strlenW(path) + 1;
 417         }
 418         p += len;
 419         p2 += len;
 420     }
 421     if (!got_path)
 422     {
 423         strcpyW( p2, wPath );
 424         strcatW( p2, path );
 425         p2 += strlenW(p2) + 1;
 426     }
 427     *p2 = 0;
 428     FreeEnvironmentStringsW( strings );
 429     return new_env;
 430 }
 431
 432
 433 /***********************************************************************
 434  *           SHELL_TryAppPathW  [Internal]
 435  *
 436  * Helper function for SHELL_FindExecutable
 437  * @param lpResult - pointer to a buffer of size MAX_PATH
 438  * On entry: szName is a filename (probably without path separators).
 439  * On exit: if szName found in "App Path", place full path in lpResult, and return true
 440  */
 441 static BOOL SHELL_TryAppPathW( LPCWSTR szName, LPWSTR lpResult, WCHAR **env)
 442 {
 443     static const WCHAR wszKeyAppPaths[] = {'S','o','f','t','w','a','r','e','\\','M','i','c','r','o','s','o','f','t','\\','W','i','n','d','o','w','s',
 444         '\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\','A','p','p',' ','P','a','t','h','s','\\',0};
 445     static const WCHAR wPath[] = {'P','a','t','h',0};
 446     HKEY hkApp = 0;
 447     WCHAR buffer[1024];
 448     LONG len;
 449     LONG res;
 450     BOOL found = FALSE;
 451
 452     if (env) *env = NULL;
 453     strcpyW(buffer, wszKeyAppPaths);
 454     strcatW(buffer, szName);
 455     res = RegOpenKeyExW(HKEY_LOCAL_MACHINE, buffer, 0, KEY_READ, &hkApp);
 456     if (res) goto end;
 457
 458     len = MAX_PATH*sizeof(WCHAR);
 459     res = RegQueryValueW(hkApp, NULL, lpResult, &len);
 460     if (res) goto end;
 461     found = TRUE;
 462
 463     if (env)
 464     {
 465         DWORD count = sizeof(buffer);
 466         if (!RegQueryValueExW(hkApp, wPath, NULL, NULL, (LPBYTE)buffer, &count) && buffer[0])
 467             *env = SHELL_BuildEnvW( buffer );
 468     }
 469
 470 end:
 471     if (hkApp) RegCloseKey(hkApp);
 472     return found;
 473 }
 474
 475 /*************************************************************************
 476  *      SHELL_FindExecutableByVerb [Internal]
 477  *
 478  * called from SHELL_FindExecutable or SHELL_execute_class
 479  * in/out:
 480  *      classname a buffer, big enough, to get the key name to do actually the
 481  *              command   "WordPad.Document.1\\shell\\open\\command"
 482  *              passed as "WordPad.Document.1"
 483  * in:
 484  *      lpVerb the operation on it (open)
 485  *      commandlen the size of command buffer (in bytes)
 486  * out:
 487  *      command a buffer, to store the command to do the
 488  *              operation on the file
 489  *      key a buffer, big enough, to get the key name to do actually the
 490  *              command "WordPad.Document.1\\shell\\open\\command"
 491  *              Can be NULL
 492  */
 493 static UINT SHELL_FindExecutableByVerb(LPCWSTR lpVerb, LPWSTR key, LPWSTR classname, LPWSTR command, LONG commandlen)
 494 {
 495     static const WCHAR wCommand[] = {'\\','c','o','m','m','a','n','d',0};
 496     HKEY hkeyClass;
 497     WCHAR verb[MAX_PATH];
 498
 499     if (RegOpenKeyExW(HKEY_CLASSES_ROOT, classname, 0, 0x02000000, &hkeyClass))
 500         return SE_ERR_NOASSOC;
 501     if (!HCR_GetDefaultVerbW(hkeyClass, lpVerb, verb, sizeof(verb)/sizeof(verb[0])))
 502         return SE_ERR_NOASSOC;
 503     RegCloseKey(hkeyClass);
 504
 505     /* Looking for ...buffer\shell\<verb>\command */
 506     strcatW(classname, wszShell);
 507     strcatW(classname, verb);
 508     strcatW(classname, wCommand);
 509
 510     if (RegQueryValueW(HKEY_CLASSES_ROOT, classname, command,
 511                        &commandlen) == ERROR_SUCCESS)
 512     {
 513         commandlen /= sizeof(WCHAR);
 514         if (key) strcpyW(key, classname);
 515 #if 0
 516         LPWSTR tmp;
 517         WCHAR param[256];
 518         LONG paramlen = sizeof(param);
 519         static const WCHAR wSpace[] = {' ',0};
 520
 521         /* FIXME: it seems all Windows version don't behave the same here.
 522          * the doc states that this ddeexec information can be found after
 523          * the exec names.
 524          * on Win98, it doesn't appear, but I think it does on Win2k
 525          */
 526         /* Get the parameters needed by the application
 527            from the associated ddeexec key */
 528         tmp = strstrW(classname, wCommand);
 529         tmp[0] = '\0';
 530         strcatW(classname, wDdeexec);
 531         if (RegQueryValueW(HKEY_CLASSES_ROOT, classname, param,
 532                                      &paramlen) == ERROR_SUCCESS)
 533         {
 534             paramlen /= sizeof(WCHAR);
 535             strcatW(command, wSpace);
 536             strcatW(command, param);
 537             commandlen += paramlen;
 538         }
 539 #endif
 540
 541         command[commandlen] = '\0';
 542
 543         return 33; /* FIXME see SHELL_FindExecutable() */
 544     }
 545
 546     return SE_ERR_NOASSOC;
 547 }
 548
 549 /*************************************************************************
 550  *      SHELL_FindExecutable [Internal]
 551  *
 552  * Utility for code sharing between FindExecutable and ShellExecute
 553  * in:
 554  *      lpFile the name of a file
 555  *      lpVerb the operation on it (open)
 556  * out:
 557  *      lpResult a buffer, big enough :-(, to store the command to do the
 558  *              operation on the file
 559  *      key a buffer, big enough, to get the key name to do actually the
 560  *              command (it'll be used afterwards for more information
 561  *              on the operation)
 562  */
 563 static UINT SHELL_FindExecutable(LPCWSTR lpPath, LPCWSTR lpFile, LPCWSTR lpVerb,
 564                                  LPWSTR lpResult, int resultLen, LPWSTR key, WCHAR **env, LPITEMIDLIST pidl, LPCWSTR args)
 565 {
 566     static const WCHAR wWindows[] = {'w','i','n','d','o','w','s',0};
 567     static const WCHAR wPrograms[] = {'p','r','o','g','r','a','m','s',0};
 568     static const WCHAR wExtensions[] = {'e','x','e',' ','p','i','f',' ','b','a','t',' ','c','m','d',' ','c','o','m',0};
 569     WCHAR *extension = NULL; /* pointer to file extension */
 570     WCHAR classname[256];     /* registry name for this file type */
 571     LONG  classnamelen = sizeof(classname); /* length of above */
 572     WCHAR command[1024];     /* command from registry */
 573     WCHAR wBuffer[256];      /* Used to GetProfileString */
 574     UINT  retval = SE_ERR_NOASSOC;
 575     WCHAR *tok;              /* token pointer */
 576     WCHAR xlpFile[256];      /* result of SearchPath */
 577     DWORD attribs;           /* file attributes */
 578
 579     TRACE("%s\n", debugstr_w(lpFile));
 580
 581     if (!lpResult)
 582         return ERROR_INVALID_PARAMETER;
 583
 584     xlpFile[0] = '\0';
 585     lpResult[0] = '\0'; /* Start off with an empty return string */
 586     if (key) *key = '\0';
 587
 588     /* trap NULL parameters on entry */
 589     if (!lpFile)
 590     {
 591         WARN("(lpFile=%s,lpResult=%s): NULL parameter\n",
 592              debugstr_w(lpFile), debugstr_w(lpResult));
 593         return ERROR_FILE_NOT_FOUND; /* File not found. Close enough, I guess. */
 594     }
 595
 596     if (SHELL_TryAppPathW( lpFile, lpResult, env ))
 597     {
 598         TRACE("found %s via App Paths\n", debugstr_w(lpResult));
 599         return 33;
 600     }
 601
 602     if (SearchPathW(lpPath, lpFile, wszExe, sizeof(xlpFile)/sizeof(WCHAR), xlpFile, NULL))
 603     {
 604         TRACE("SearchPathW returned non-zero\n");
 605         lpFile = xlpFile;
 606         /* The file was found in the application-supplied default directory (or the system search path) */
 607     }
 608     else if (lpPath && SearchPathW(NULL, lpFile, wszExe, sizeof(xlpFile)/sizeof(WCHAR), xlpFile, NULL))
 609     {
 610         TRACE("SearchPathW returned non-zero\n");
 611         lpFile = xlpFile;
 612         /* The file was found in one of the directories in the system-wide search path */
 613     }
 614
 615     attribs = GetFileAttributesW(lpFile);
 616     if (attribs!=INVALID_FILE_ATTRIBUTES && (attribs&FILE_ATTRIBUTE_DIRECTORY))
 617     {
 618        strcpyW(classname, wszFolder);
 619     }
 620     else
 621     {
 622         /* Did we get something? Anything? */
 623         if (xlpFile[0]==0)
 624         {
 625             TRACE("Returning SE_ERR_FNF\n");
 626             return SE_ERR_FNF;
 627         }
 628         /* First thing we need is the file's extension */
 629         extension = strrchrW(xlpFile, '.'); /* Assume last "." is the one; */
 630         /* File->Run in progman uses */
 631         /* .\FILE.EXE :( */
 632         TRACE("xlpFile=%s,extension=%s\n", debugstr_w(xlpFile), debugstr_w(extension));
 633
 634         if (extension == NULL || extension[1]==0)
 635         {
 636             WARN("Returning SE_ERR_NOASSOC\n");
 637             return SE_ERR_NOASSOC;
 638         }
 639
 640         /* Three places to check: */
 641         /* 1. win.ini, [windows], programs (NB no leading '.') */
 642         /* 2. Registry, HKEY_CLASS_ROOT\<classname>\shell\open\command */
 643         /* 3. win.ini, [extensions], extension (NB no leading '.' */
 644         /* All I know of the order is that registry is checked before */
 645         /* extensions; however, it'd make sense to check the programs */
 646         /* section first, so that's what happens here. */
 647
 648         /* See if it's a program - if GetProfileString fails, we skip this
 649          * section. Actually, if GetProfileString fails, we've probably
 650          * got a lot more to worry about than running a program... */
 651         if (GetProfileStringW(wWindows, wPrograms, wExtensions, wBuffer, sizeof(wBuffer)/sizeof(WCHAR)) > 0)
 652         {
 653             CharLowerW(wBuffer);
 654             tok = wBuffer;
 655             while (*tok)
 656             {
 657                 WCHAR *p = tok;
 658                 while (*p && *p != ' ' && *p != '\t') p++;
 659                 if (*p)
 660                 {
 661                     *p++ = 0;
 662                     while (*p == ' ' || *p == '\t') p++;
 663                 }
 664
 665                 if (strcmpiW(tok, &extension[1]) == 0) /* have to skip the leading "." */
 666                 {
 667                     strcpyW(lpResult, xlpFile);
 668                     /* Need to perhaps check that the file has a path
 669                      * attached */
 670                     TRACE("found %s\n", debugstr_w(lpResult));
 671                     return 33;
 672                     /* Greater than 32 to indicate success */
 673                 }
 674                 tok = p;
 675             }
 676         }
 677
 678         /* Check registry */
 679         if (RegQueryValueW(HKEY_CLASSES_ROOT, extension, classname,
 680                            &classnamelen) == ERROR_SUCCESS)
 681         {
 682             classnamelen /= sizeof(WCHAR);
 683             if (classnamelen == sizeof(classname)/sizeof(WCHAR))
 684                 classnamelen--;
 685             classname[classnamelen] = '\0';
 686             TRACE("File type: %s\n", debugstr_w(classname));
 687         }
 688         else
 689         {
 690             *classname = '\0';
 691         }
 692     }
 693
 694     if (*classname)
 695     {
 696         /* pass the verb string to SHELL_FindExecutableByVerb() */
 697         retval = SHELL_FindExecutableByVerb(lpVerb, key, classname, command, sizeof(command));
 698
 699         if (retval > 32)
 700         {
 701             DWORD finishedLen;
 702             SHELL_ArgifyW(lpResult, resultLen, command, xlpFile, pidl, args, &finishedLen);
 703             if (finishedLen > resultLen)
 704                 ERR("Argify buffer not large enough.. truncated\n");
 705
 706             /* Remove double quotation marks and command line arguments */
 707             if (*lpResult == '"')
 708             {
 709                 WCHAR *p = lpResult;
 710                 while (*(p + 1) != '"')
 711                 {
 712                     *p = *(p + 1);
 713                     p++;
 714                 }
 715                 *p = '\0';
 716             }
 717             else
 718             {
 719                 /* Truncate on first space */
 720                 WCHAR *p = lpResult;
 721                 while (*p != ' ' && *p != '\0')
 722                     p++;
 723                 *p='\0';
 724             }
 725         }
 726     }
 727     else /* Check win.ini */
 728     {
 729         static const WCHAR wExtensions[] = {'e','x','t','e','n','s','i','o','n','s',0};
 730
 731         /* Toss the leading dot */
 732         extension++;
 733         if (GetProfileStringW(wExtensions, extension, wszEmpty, command, sizeof(command)/sizeof(WCHAR)) > 0)
 734         {
 735             if (strlenW(command) != 0)
 736             {
 737                 strcpyW(lpResult, command);
 738                 tok = strchrW(lpResult, '^'); /* should be ^.extension? */
 739                 if (tok != NULL)
 740                 {
 741                     tok[0] = '\0';
 742                     strcatW(lpResult, xlpFile); /* what if no dir in xlpFile? */
 743                     tok = strchrW(command, '^'); /* see above */
 744                     if ((tok != NULL) && (strlenW(tok)>5))
 745                     {
 746                         strcatW(lpResult, &tok[5]);
 747                     }
 748                 }
 749                 retval = 33; /* FIXME - see above */
 750             }
 751         }
 752     }
 753
 754     TRACE("returning %s\n", debugstr_w(lpResult));
 755     return retval;
 756 }
 757
 758 /******************************************************************
 759  *              dde_cb
 760  *
 761  * callback for the DDE connection. not really useful
 762  */
 763 static HDDEDATA CALLBACK dde_cb(UINT uType, UINT uFmt, HCONV hConv,
 764                                 HSZ hsz1, HSZ hsz2, HDDEDATA hData,
 765                                 ULONG_PTR dwData1, ULONG_PTR dwData2)
 766 {
 767     TRACE("dde_cb: %04x, %04x, %p, %p, %p, %p, %08lx, %08lx\n",
 768            uType, uFmt, hConv, hsz1, hsz2, hData, dwData1, dwData2);
 769     return NULL;
 770 }
 771
 772 /******************************************************************
 773  *              dde_connect
 774  *
 775  * ShellExecute helper. Used to do an operation with a DDE connection
 776  *
 777  * Handles both the direct connection (try #1), and if it fails,
 778  * launching an application and trying (#2) to connect to it
 779  *
 780  */
 781 static unsigned dde_connect(const WCHAR* key, const WCHAR* start, WCHAR* ddeexec,
 782                             const WCHAR* lpFile, WCHAR *env,
 783                             LPCWSTR szCommandline, LPITEMIDLIST pidl, SHELL_ExecuteW32 execfunc,
 784                             const SHELLEXECUTEINFOW *psei, LPSHELLEXECUTEINFOW psei_out)
 785 {
 786     static const WCHAR wApplication[] = {'\\','a','p','p','l','i','c','a','t','i','o','n',0};
 787     static const WCHAR wTopic[] = {'\\','t','o','p','i','c',0};
 788     WCHAR       regkey[256];
 789     WCHAR *     endkey = regkey + strlenW(key);
 790     WCHAR       app[256], topic[256], ifexec[256], static_res[256];
 791     WCHAR *     dynamic_res=NULL;
 792     WCHAR *     res;
 793     LONG        applen, topiclen, ifexeclen;
 794     WCHAR *     exec;
 795     DWORD       ddeInst = 0;
 796     DWORD       tid;
 797     DWORD       resultLen, endkeyLen;
 798     HSZ         hszApp, hszTopic;
 799     HCONV       hConv;
 800     HDDEDATA    hDdeData;
 801     unsigned    ret = SE_ERR_NOASSOC;
 802     BOOL unicode = !(GetVersion() & 0x80000000);
 803
 804     if (strlenW(key) + 1 > sizeof(regkey) / sizeof(regkey[0]))
 805     {
 806         FIXME("input parameter %s larger than buffer\n", debugstr_w(key));
 807         return 2;
 808     }
 809     strcpyW(regkey, key);
 810     endkeyLen = sizeof(regkey) / sizeof(regkey[0]) - (endkey - regkey);
 811     if (strlenW(wApplication) + 1 > endkeyLen)
 812     {
 813         FIXME("endkey %s overruns buffer\n", debugstr_w(wApplication));
 814         return 2;
 815     }
 816     strcpyW(endkey, wApplication);
 817     applen = sizeof(app);
 818     if (RegQueryValueW(HKEY_CLASSES_ROOT, regkey, app, &applen) != ERROR_SUCCESS)
 819     {
 820         WCHAR command[1024], fullpath[MAX_PATH];
 821         static const WCHAR wSo[] = { '.','s','o',0 };
 822         int sizeSo = sizeof(wSo)/sizeof(WCHAR);
 823         LPWSTR ptr = NULL;
 824         DWORD ret = 0;
 825
 826         /* Get application command from start string and find filename of application */
 827         if (*start == '"')
 828         {
 829             if (strlenW(start + 1) + 1 > sizeof(command) / sizeof(command[0]))
 830             {
 831                 FIXME("size of input parameter %s larger than buffer\n",
 832                       debugstr_w(start + 1));
 833                 return 2;
 834             }
 835             strcpyW(command, start+1);
 836             if ((ptr = strchrW(command, '"')))
 837                 *ptr = 0;
 838             ret = SearchPathW(NULL, command, wszExe, sizeof(fullpath)/sizeof(WCHAR), fullpath, &ptr);
 839         }
 840         else
 841         {
 842             LPCWSTR p;
 843             LPWSTR space;
 844             for (p=start; (space=strchrW(p, ' ')); p=space+1)
 845             {
 846                 int idx = space-start;
 847                 memcpy(command, start, idx*sizeof(WCHAR));
 848                 command[idx] = '\0';
 849                 if ((ret = SearchPathW(NULL, command, wszExe, sizeof(fullpath)/sizeof(WCHAR), fullpath, &ptr)))
 850                     break;
 851             }
 852             if (!ret)
 853                 ret = SearchPathW(NULL, start, wszExe, sizeof(fullpath)/sizeof(WCHAR), fullpath, &ptr);
 854         }
 855
 856         if (!ret)
 857         {
 858             ERR("Unable to find application path for command %s\n", debugstr_w(start));
 859             return ERROR_ACCESS_DENIED;
 860         }
 861         if (strlenW(ptr) + 1 > sizeof(app) / sizeof(app[0]))
 862         {
 863             FIXME("size of found path %s larger than buffer\n", debugstr_w(ptr));
 864             return 2;
 865         }
 866         strcpyW(app, ptr);
 867
 868         /* Remove extensions (including .so) */
 869         ptr = app + strlenW(app) - (sizeSo-1);
 870         if (strlenW(app) >= sizeSo &&
 871             !strcmpW(ptr, wSo))
 872             *ptr = 0;
 873
 874         ptr = strrchrW(app, '.');
 875         assert(ptr);
 876         *ptr = 0;
 877     }
 878
 879     if (strlenW(wTopic) + 1 > endkeyLen)
 880     {
 881         FIXME("endkey %s overruns buffer\n", debugstr_w(wTopic));
 882         return 2;
 883     }
 884     strcpyW(endkey, wTopic);
 885     topiclen = sizeof(topic);
 886     if (RegQueryValueW(HKEY_CLASSES_ROOT, regkey, topic, &topiclen) != ERROR_SUCCESS)
 887     {
 888         static const WCHAR wSystem[] = {'S','y','s','t','e','m',0};
 889         strcpyW(topic, wSystem);
 890     }
 891
 892     if (unicode)
 893     {
 894         if (DdeInitializeW(&ddeInst, dde_cb, APPCMD_CLIENTONLY, 0L) != DMLERR_NO_ERROR)
 895             return 2;
 896     }
 897     else
 898     {
 899         if (DdeInitializeA(&ddeInst, dde_cb, APPCMD_CLIENTONLY, 0L) != DMLERR_NO_ERROR)
 900             return 2;
 901     }
 902
 903     hszApp = DdeCreateStringHandleW(ddeInst, app, CP_WINUNICODE);
 904     hszTopic = DdeCreateStringHandleW(ddeInst, topic, CP_WINUNICODE);
 905
 906     hConv = DdeConnect(ddeInst, hszApp, hszTopic, NULL);
 907     exec = ddeexec;
 908     if (!hConv)
 909     {
 910         static const WCHAR wIfexec[] = {'\\','i','f','e','x','e','c',0};
 911         TRACE("Launching %s\n", debugstr_w(start));
 912         ret = execfunc(start, env, TRUE, psei, psei_out);
 913         if (ret <= 32)
 914         {
 915             TRACE("Couldn't launch\n");
 916             goto error;
 917         }
 918         hConv = DdeConnect(ddeInst, hszApp, hszTopic, NULL);
 919         if (!hConv)
 920         {
 921             TRACE("Couldn't connect. ret=%d\n", ret);
 922             DdeUninitialize(ddeInst);
 923             SetLastError(ERROR_DDE_FAIL);
 924             return 30; /* whatever */
 925         }
 926         if (strlenW(wIfexec) + 1 > endkeyLen)
 927         {
 928             FIXME("endkey %s overruns buffer\n", debugstr_w(wIfexec));
 929             return 2;
 930         }
 931         strcpyW(endkey, wIfexec);
 932         ifexeclen = sizeof(ifexec);
 933         if (RegQueryValueW(HKEY_CLASSES_ROOT, regkey, ifexec, &ifexeclen) == ERROR_SUCCESS)
 934         {
 935             exec = ifexec;
 936         }
 937     }
 938
 939     SHELL_ArgifyW(static_res, sizeof(static_res)/sizeof(WCHAR), exec, lpFile, pidl, szCommandline, &resultLen);
 940     if (resultLen > sizeof(static_res)/sizeof(WCHAR))
 941     {
 942         res = dynamic_res = HeapAlloc(GetProcessHeap(), 0, resultLen * sizeof(WCHAR));
 943         SHELL_ArgifyW(dynamic_res, resultLen, exec, lpFile, pidl, szCommandline, NULL);
 944     }
 945     else
 946         res = static_res;
 947     TRACE("%s %s => %s\n", debugstr_w(exec), debugstr_w(lpFile), debugstr_w(res));
 948
 949     /* It's documented in the KB 330337 that IE has a bug and returns
 950      * error DMLERR_NOTPROCESSED on XTYP_EXECUTE request.
 951      */
 952     if (unicode)
 953         hDdeData = DdeClientTransaction((LPBYTE)res, (strlenW(res) + 1) * sizeof(WCHAR), hConv, 0L, 0,
 954                                          XTYP_EXECUTE, 30000, &tid);
 955     else
 956     {
 957         DWORD lenA = WideCharToMultiByte(CP_ACP, 0, res, -1, NULL, 0, NULL, NULL);
 958         char *resA = HeapAlloc(GetProcessHeap(), 0, lenA);
 959         WideCharToMultiByte(CP_ACP, 0, res, -1, resA, lenA, NULL, NULL);
 960         hDdeData = DdeClientTransaction( (LPBYTE)resA, lenA, hConv, 0L, 0,
 961                                          XTYP_EXECUTE, 10000, &tid );
 962         HeapFree(GetProcessHeap(), 0, resA);
 963     }
 964     if (hDdeData)
 965         DdeFreeDataHandle(hDdeData);
 966     else
 967         WARN("DdeClientTransaction failed with error %04x\n", DdeGetLastError(ddeInst));
 968     ret = 33;
 969
 970     HeapFree(GetProcessHeap(), 0, dynamic_res);
 971
 972     DdeDisconnect(hConv);
 973
 974  error:
 975     DdeUninitialize(ddeInst);
 976
 977     return ret;
 978 }
 979
 980 /*************************************************************************
 981  *      execute_from_key [Internal]
 982  */
 983 static UINT_PTR execute_from_key(LPCWSTR key, LPCWSTR lpFile, WCHAR *env, LPCWSTR szCommandline,
 984                              LPCWSTR executable_name,
 985                              SHELL_ExecuteW32 execfunc,
 986                              LPSHELLEXECUTEINFOW psei, LPSHELLEXECUTEINFOW psei_out)
 987 {
 988     static const WCHAR wCommand[] = {'c','o','m','m','a','n','d',0};
 989     static const WCHAR wDdeexec[] = {'d','d','e','e','x','e','c',0};
 990     WCHAR cmd[256], param[1024], ddeexec[256];
 991     LONG cmdlen = sizeof(cmd), ddeexeclen = sizeof(ddeexec);
 992     UINT_PTR retval = SE_ERR_NOASSOC;
 993     DWORD resultLen;
 994     LPWSTR tmp;
 995
 996     TRACE("%s %s %s %s %s\n", debugstr_w(key), debugstr_w(lpFile), debugstr_w(env),
 997            debugstr_w(szCommandline), debugstr_w(executable_name));
 998
 999     cmd[0] = '\0';
1000     param[0] = '\0';
1001
1002     /* Get the application from the registry */
1003     if (RegQueryValueW(HKEY_CLASSES_ROOT, key, cmd, &cmdlen) == ERROR_SUCCESS)
1004     {
1005         TRACE("got cmd: %s\n", debugstr_w(cmd));
1006
1007         /* Is there a replace() function anywhere? */
1008         cmdlen /= sizeof(WCHAR);
1009         if (cmdlen >= sizeof(cmd)/sizeof(WCHAR))
1010             cmdlen = sizeof(cmd)/sizeof(WCHAR)-1;
1011         cmd[cmdlen] = '\0';
1012         SHELL_ArgifyW(param, sizeof(param)/sizeof(WCHAR), cmd, lpFile, psei->lpIDList, szCommandline, &resultLen);
1013         if (resultLen > sizeof(param)/sizeof(WCHAR))
1014             ERR("Argify buffer not large enough, truncating\n");
1015     }
1016
1017     /* Get the parameters needed by the application
1018        from the associated ddeexec key */
1019     tmp = strstrW(key, wCommand);
1020     assert(tmp);
1021     strcpyW(tmp, wDdeexec);
1022
1023     if (RegQueryValueW(HKEY_CLASSES_ROOT, key, ddeexec, &ddeexeclen) == ERROR_SUCCESS)
1024     {
1025         TRACE("Got ddeexec %s => %s\n", debugstr_w(key), debugstr_w(ddeexec));
1026         if (!param[0]) strcpyW(param, executable_name);
1027         retval = dde_connect(key, param, ddeexec, lpFile, env, szCommandline, psei->lpIDList, execfunc, psei, psei_out);
1028     }
1029     else if (param[0])
1030     {
1031         TRACE("executing: %s\n", debugstr_w(param));
1032         retval = execfunc(param, env, FALSE, psei, psei_out);
1033     }
1034     else
1035         WARN("Nothing appropriate found for %s\n", debugstr_w(key));
1036
1037     return retval;
1038 }
1039
1040 /*************************************************************************
1041  * FindExecutableA                      [SHELL32.@]
1042  */
1043 HINSTANCE WINAPI FindExecutableA(LPCSTR lpFile, LPCSTR lpDirectory, LPSTR lpResult)
1044 {
1045     HINSTANCE retval;
1046     WCHAR *wFile = NULL, *wDirectory = NULL;
1047     WCHAR wResult[MAX_PATH];
1048
1049     if (lpFile) __SHCloneStrAtoW(&wFile, lpFile);
1050     if (lpDirectory) __SHCloneStrAtoW(&wDirectory, lpDirectory);
1051
1052     retval = FindExecutableW(wFile, wDirectory, wResult);
1053     WideCharToMultiByte(CP_ACP, 0, wResult, -1, lpResult, MAX_PATH, NULL, NULL);
1054     SHFree( wFile );
1055     SHFree( wDirectory );
1056
1057     TRACE("returning %s\n", lpResult);
1058     return retval;
1059 }
1060
1061 /*************************************************************************
1062  * FindExecutableW                      [SHELL32.@]
1063  *
1064  * This function returns the executable associated with the specified file
1065  * for the default verb.
1066  *
1067  * PARAMS
1068  *  lpFile   [I] The file to find the association for. This must refer to
1069  *               an existing file otherwise FindExecutable fails and returns
1070  *               SE_ERR_FNF.
1071  *  lpResult [O] Points to a buffer into which the executable path is
1072  *               copied. This parameter must not be NULL otherwise
1073  *               FindExecutable() segfaults. The buffer must be of size at
1074  *               least MAX_PATH characters.
1075  *
1076  * RETURNS
1077  *  A value greater than 32 on success, less than or equal to 32 otherwise.
1078  *  See the SE_ERR_* constants.
1079  *
1080  * NOTES
1081  *  On Windows XP and 2003, FindExecutable() seems to first convert the
1082  *  filename into 8.3 format, thus taking into account only the first three
1083  *  characters of the extension, and expects to find an association for those.
1084  *  However other Windows versions behave sanely.
1085  */
1086 HINSTANCE WINAPI FindExecutableW(LPCWSTR lpFile, LPCWSTR lpDirectory, LPWSTR lpResult)
1087 {
1088     UINT_PTR retval = SE_ERR_NOASSOC;
1089     WCHAR old_dir[1024];
1090
1091     TRACE("File %s, Dir %s\n", debugstr_w(lpFile), debugstr_w(lpDirectory));
1092
1093     lpResult[0] = '\0'; /* Start off with an empty return string */
1094     if (lpFile == NULL)
1095         return (HINSTANCE)SE_ERR_FNF;
1096
1097     if (lpDirectory)
1098     {
1099         GetCurrentDirectoryW(sizeof(old_dir)/sizeof(WCHAR), old_dir);
1100         SetCurrentDirectoryW(lpDirectory);
1101     }
1102
1103     retval = SHELL_FindExecutable(lpDirectory, lpFile, wszOpen, lpResult, MAX_PATH, NULL, NULL, NULL, NULL);
1104
1105     TRACE("returning %s\n", debugstr_w(lpResult));
1106     if (lpDirectory)
1107         SetCurrentDirectoryW(old_dir);
1108     return (HINSTANCE)retval;
1109 }
1110
1111 /* FIXME: is this already implemented somewhere else? */
1112 static HKEY ShellExecute_GetClassKey( const SHELLEXECUTEINFOW *sei )
1113 {
1114     LPCWSTR ext = NULL, lpClass = NULL;
1115     LPWSTR cls = NULL;
1116     DWORD type = 0, sz = 0;
1117     HKEY hkey = 0;
1118     LONG r;
1119
1120     if (sei->fMask & SEE_MASK_CLASSALL)
1121         return sei->hkeyClass;
1122
1123     if (sei->fMask & SEE_MASK_CLASSNAME)
1124         lpClass = sei->lpClass;
1125     else
1126     {
1127         ext = PathFindExtensionW( sei->lpFile );
1128         TRACE("ext = %s\n", debugstr_w( ext ) );
1129         if (!ext)
1130             return hkey;
1131
1132         r = RegOpenKeyW( HKEY_CLASSES_ROOT, ext, &hkey );
1133         if (r != ERROR_SUCCESS )
1134             return hkey;
1135
1136         r = RegQueryValueExW( hkey, NULL, 0, &type, NULL, &sz );
1137         if ( r == ERROR_SUCCESS && type == REG_SZ )
1138         {
1139             sz += sizeof (WCHAR);
1140             cls = HeapAlloc( GetProcessHeap(), 0, sz );
1141             cls[0] = 0;
1142             RegQueryValueExW( hkey, NULL, 0, &type, (LPBYTE) cls, &sz );
1143         }
1144
1145         RegCloseKey( hkey );
1146         lpClass = cls;
1147     }
1148
1149     TRACE("class = %s\n", debugstr_w(lpClass) );
1150
1151     hkey = 0;
1152     if ( lpClass )
1153         RegOpenKeyW( HKEY_CLASSES_ROOT, lpClass, &hkey );
1154
1155     HeapFree( GetProcessHeap(), 0, cls );
1156
1157     return hkey;
1158 }
1159
1160 static IDataObject *shellex_get_dataobj( LPSHELLEXECUTEINFOW sei )
1161 {
1162     LPCITEMIDLIST pidllast = NULL;
1163     IDataObject *dataobj = NULL;
1164     IShellFolder *shf = NULL;
1165     LPITEMIDLIST pidl = NULL;
1166     HRESULT r;
1167
1168     if (sei->fMask & SEE_MASK_CLASSALL)
1169         pidl = sei->lpIDList;
1170     else
1171     {
1172         WCHAR fullpath[MAX_PATH];
1173         BOOL ret;
1174
1175         fullpath[0] = 0;
1176         ret = GetFullPathNameW( sei->lpFile, MAX_PATH, fullpath, NULL );
1177         if (!ret)
1178             goto end;
1179
1180         pidl = ILCreateFromPathW( fullpath );
1181     }
1182
1183     r = SHBindToParent( pidl, &IID_IShellFolder, (LPVOID*)&shf, &pidllast );
1184     if ( FAILED( r ) )
1185         goto end;
1186
1187     IShellFolder_GetUIObjectOf( shf, NULL, 1, &pidllast,
1188                                 &IID_IDataObject, NULL, (LPVOID*) &dataobj );
1189
1190 end:
1191     if ( pidl != sei->lpIDList )
1192         ILFree( pidl );
1193     if ( shf )
1194         IShellFolder_Release( shf );
1195     return dataobj;
1196 }
1197
1198 static HRESULT shellex_run_context_menu_default( IShellExtInit *obj,
1199                                                  LPSHELLEXECUTEINFOW sei )
1200 {
1201     IContextMenu *cm = NULL;
1202     CMINVOKECOMMANDINFOEX ici;
1203     MENUITEMINFOW info;
1204     WCHAR string[0x80];
1205     INT i, n, def = -1;
1206     HMENU hmenu = 0;
1207     HRESULT r;
1208
1209     TRACE("%p %p\n", obj, sei );
1210
1211     r = IShellExtInit_QueryInterface( obj, &IID_IContextMenu, (LPVOID*) &cm );
1212     if ( FAILED( r ) )
1213         return r;
1214
1215     hmenu = CreateMenu();
1216     if ( !hmenu )
1217         goto end;
1218
1219     /* the number of the last menu added is returned in r */
1220     r = IContextMenu_QueryContextMenu( cm, hmenu, 0, 0x20, 0x7fff, CMF_DEFAULTONLY );
1221     if ( FAILED( r ) )
1222         goto end;
1223
1224     n = GetMenuItemCount( hmenu );
1225     for ( i = 0; i < n; i++ )
1226     {
1227         memset( &info, 0, sizeof info );
1228         info.cbSize = sizeof info;
1229         info.fMask = MIIM_FTYPE | MIIM_STRING | MIIM_STATE | MIIM_DATA | MIIM_ID;
1230         info.dwTypeData = string;
1231         info.cch = sizeof string;
1232         string[0] = 0;
1233         GetMenuItemInfoW( hmenu, i, TRUE, &info );
1234
1235         TRACE("menu %d %s %08x %08lx %08x %08x\n", i, debugstr_w(string),
1236             info.fState, info.dwItemData, info.fType, info.wID );
1237         if ( ( !sei->lpVerb && (info.fState & MFS_DEFAULT) ) ||
1238              ( sei->lpVerb && !lstrcmpiW( sei->lpVerb, string ) ) )
1239         {
1240             def = i;
1241             break;
1242         }
1243     }
1244
1245     r = E_FAIL;
1246     if ( def == -1 )
1247         goto end;
1248
1249     memset( &ici, 0, sizeof ici );
1250     ici.cbSize = sizeof ici;
1251     ici.fMask = CMIC_MASK_UNICODE | (sei->fMask & (SEE_MASK_NOASYNC|SEE_MASK_ASYNCOK|SEE_MASK_FLAG_NO_UI));
1252     ici.nShow = sei->nShow;
1253     ici.lpVerb = MAKEINTRESOURCEA( def );
1254     ici.hwnd = sei->hwnd;
1255     ici.lpParametersW = sei->lpParameters;
1256
1257     r = IContextMenu_InvokeCommand( cm, (LPCMINVOKECOMMANDINFO) &ici );
1258
1259     TRACE("invoke command returned %08x\n", r );
1260
1261 end:
1262     if ( hmenu )
1263         DestroyMenu( hmenu );
1264     if ( cm )
1265         IContextMenu_Release( cm );
1266     return r;
1267 }
1268
1269 static HRESULT shellex_load_object_and_run( HKEY hkey, LPCGUID guid, LPSHELLEXECUTEINFOW sei )
1270 {
1271     IDataObject *dataobj = NULL;
1272     IObjectWithSite *ows = NULL;
1273     IShellExtInit *obj = NULL;
1274     HRESULT r;
1275
1276     TRACE("%p %s %p\n", hkey, debugstr_guid( guid ), sei );
1277
1278     r = CoInitialize( NULL );
1279     if ( FAILED( r ) )
1280         goto end;
1281
1282     r = CoCreateInstance( guid, NULL, CLSCTX_INPROC_SERVER,
1283                            &IID_IShellExtInit, (LPVOID*)&obj );
1284     if ( FAILED( r ) )
1285     {
1286         ERR("failed %08x\n", r );
1287         goto end;
1288     }
1289
1290     dataobj = shellex_get_dataobj( sei );
1291     if ( !dataobj )
1292     {
1293         ERR("failed to get data object\n");
1294         goto end;
1295     }
1296
1297     r = IShellExtInit_Initialize( obj, NULL, dataobj, hkey );
1298     if ( FAILED( r ) )
1299         goto end;
1300
1301     r = IShellExtInit_QueryInterface( obj, &IID_IObjectWithSite, (LPVOID*) &ows );
1302     if ( FAILED( r ) )
1303         goto end;
1304
1305     IObjectWithSite_SetSite( ows, NULL );
1306
1307     r = shellex_run_context_menu_default( obj, sei );
1308
1309 end:
1310     if ( ows )
1311         IObjectWithSite_Release( ows );
1312     if ( dataobj )
1313         IDataObject_Release( dataobj );
1314     if ( obj )
1315         IShellExtInit_Release( obj );
1316     CoUninitialize();
1317     return r;
1318 }
1319
1320
1321 /*************************************************************************
1322  *      ShellExecute_FromContextMenu [Internal]
1323  */
1324 static LONG ShellExecute_FromContextMenu( LPSHELLEXECUTEINFOW sei )
1325 {
1326     static const WCHAR szcm[] = { 's','h','e','l','l','e','x','\\',
1327         'C','o','n','t','e','x','t','M','e','n','u','H','a','n','d','l','e','r','s',0 };
1328     HKEY hkey, hkeycm = 0;
1329     WCHAR szguid[39];
1330     HRESULT hr;
1331     GUID guid;
1332     DWORD i;
1333     LONG r;
1334
1335     TRACE("%s\n", debugstr_w(sei->lpFile) );
1336
1337     hkey = ShellExecute_GetClassKey( sei );
1338     if ( !hkey )
1339         return ERROR_FUNCTION_FAILED;
1340
1341     r = RegOpenKeyW( hkey, szcm, &hkeycm );
1342     if ( r == ERROR_SUCCESS )
1343     {
1344         i = 0;
1345         while ( 1 )
1346         {
1347             r = RegEnumKeyW( hkeycm, i++, szguid, sizeof(szguid)/sizeof(szguid[0]) );
1348             if ( r != ERROR_SUCCESS )
1349                 break;
1350
1351             hr = CLSIDFromString( szguid, &guid );
1352             if (SUCCEEDED(hr))
1353             {
1354                 /* stop at the first one that succeeds in running */
1355                 hr = shellex_load_object_and_run( hkey, &guid, sei );
1356                 if ( SUCCEEDED( hr ) )
1357                     break;
1358             }
1359         }
1360         RegCloseKey( hkeycm );
1361     }
1362
1363     if ( hkey != sei->hkeyClass )
1364         RegCloseKey( hkey );
1365     return r;
1366 }
1367
1368 static UINT_PTR SHELL_quote_and_execute( LPCWSTR wcmd, LPCWSTR wszParameters, LPCWSTR lpstrProtocol, LPCWSTR wszApplicationName, LPWSTR env, LPSHELLEXECUTEINFOW psei, LPSHELLEXECUTEINFOW psei_out, SHELL_ExecuteW32 execfunc );
1369
1370 static UINT_PTR SHELL_execute_class( LPCWSTR wszApplicationName, LPSHELLEXECUTEINFOW psei, LPSHELLEXECUTEINFOW psei_out, SHELL_ExecuteW32 execfunc )
1371 {
1372     static const WCHAR wQuote[] = {'"',0};
1373     static const WCHAR wSpace[] = {' ',0};
1374     WCHAR execCmd[1024], classname[1024];
1375     /* launch a document by fileclass like 'WordPad.Document.1' */
1376     /* the Commandline contains 'c:\Path\wordpad.exe "%1"' */
1377     /* FIXME: wcmd should not be of a fixed size. Fixed to 1024, MAX_PATH is way too short! */
1378     ULONG cmask=(psei->fMask & SEE_MASK_CLASSALL);
1379     DWORD resultLen;
1380     BOOL done;
1381     UINT_PTR rslt;
1382
1383   /* FIXME: remove following block when SHELL_quote_and_execute supports hkeyClass parameter */
1384   if (cmask != SEE_MASK_CLASSNAME)
1385   {
1386     WCHAR wcmd[1024];
1387     HCR_GetExecuteCommandW((cmask == SEE_MASK_CLASSKEY) ? psei->hkeyClass : NULL,
1388                            (cmask == SEE_MASK_CLASSNAME) ? psei->lpClass: NULL,
1389                            psei->lpVerb,
1390                            execCmd, sizeof(execCmd));
1391
1392     /* FIXME: get the extension of lpFile, check if it fits to the lpClass */
1393     TRACE("SEE_MASK_CLASSNAME->%s, doc->%s\n", debugstr_w(execCmd), debugstr_w(wszApplicationName));
1394
1395     wcmd[0] = '\0';
1396     done = SHELL_ArgifyW(wcmd, sizeof(wcmd)/sizeof(WCHAR), execCmd, wszApplicationName, psei->lpIDList, NULL, &resultLen);
1397     if (!done && wszApplicationName[0])
1398     {
1399         strcatW(wcmd, wSpace);
1400         if (*wszApplicationName != '"')
1401         {
1402             strcatW(wcmd, wQuote);
1403             strcatW(wcmd, wszApplicationName);
1404             strcatW(wcmd, wQuote);
1405         }
1406         else
1407             strcatW(wcmd, wszApplicationName);
1408     }
1409     if (resultLen > sizeof(wcmd)/sizeof(WCHAR))
1410         ERR("Argify buffer not large enough... truncating\n");
1411     return execfunc(wcmd, NULL, FALSE, psei, psei_out);
1412   }
1413
1414     strcpyW(classname, psei->lpClass);
1415     rslt = SHELL_FindExecutableByVerb(psei->lpVerb, NULL, classname, execCmd, sizeof(execCmd));
1416
1417     TRACE("SHELL_FindExecutableByVerb returned %u (%s, %s)\n", (unsigned int)rslt, debugstr_w(classname), debugstr_w(execCmd));
1418     if (33 > rslt)
1419         return rslt;
1420     rslt = SHELL_quote_and_execute( execCmd, wszEmpty, classname,
1421                                       wszApplicationName, NULL, psei,
1422                                       psei_out, execfunc );
1423     return rslt;
1424 }
1425
1426 static BOOL SHELL_translate_idlist( LPSHELLEXECUTEINFOW sei, LPWSTR wszParameters, DWORD parametersLen, LPWSTR wszApplicationName, DWORD dwApplicationNameLen )
1427 {
1428     static const WCHAR wExplorer[] = {'e','x','p','l','o','r','e','r','.','e','x','e',0};
1429     WCHAR buffer[MAX_PATH];
1430     BOOL appKnownSingular = FALSE;
1431
1432     /* last chance to translate IDList: now also allow CLSID paths */
1433     if (SUCCEEDED(SHELL_GetPathFromIDListForExecuteW(sei->lpIDList, buffer, sizeof(buffer)/sizeof(WCHAR)))) {
1434         if (buffer[0]==':' && buffer[1]==':') {
1435             /* open shell folder for the specified class GUID */
1436             if (strlenW(buffer) + 1 > parametersLen)
1437                 ERR("parameters len exceeds buffer size (%i > %i), truncating\n",
1438                     lstrlenW(buffer) + 1, parametersLen);
1439             lstrcpynW(wszParameters, buffer, parametersLen);
1440             if (strlenW(wExplorer) > dwApplicationNameLen)
1441                 ERR("application len exceeds buffer size (%i > %i), truncating\n",
1442                     lstrlenW(wExplorer) + 1, dwApplicationNameLen);
1443             lstrcpynW(wszApplicationName, wExplorer, dwApplicationNameLen);
1444             appKnownSingular = TRUE;
1445
1446             sei->fMask &= ~SEE_MASK_INVOKEIDLIST;
1447         } else {
1448             WCHAR target[MAX_PATH];
1449             DWORD attribs;
1450             DWORD resultLen;
1451             /* Check if we're executing a directory and if so use the
1452                handler for the Folder class */
1453             strcpyW(target, buffer);
1454             attribs = GetFileAttributesW(buffer);
1455             if (attribs != INVALID_FILE_ATTRIBUTES &&
1456                 (attribs & FILE_ATTRIBUTE_DIRECTORY) &&
1457                 HCR_GetExecuteCommandW(0, wszFolder,
1458                                        sei->lpVerb,
1459                                        buffer, sizeof(buffer))) {
1460                 SHELL_ArgifyW(wszApplicationName, dwApplicationNameLen,
1461                               buffer, target, sei->lpIDList, NULL, &resultLen);
1462                 if (resultLen > dwApplicationNameLen)
1463                     ERR("Argify buffer not large enough... truncating\n");
1464                 appKnownSingular = FALSE;
1465             }
1466             sei->fMask &= ~SEE_MASK_INVOKEIDLIST;
1467         }
1468     }
1469     return appKnownSingular;
1470 }
1471
1472 static UINT_PTR SHELL_quote_and_execute( LPCWSTR wcmd, LPCWSTR wszParameters, LPCWSTR wszKeyname, LPCWSTR wszApplicationName, LPWSTR env, LPSHELLEXECUTEINFOW psei, LPSHELLEXECUTEINFOW psei_out, SHELL_ExecuteW32 execfunc )
1473 {
1474     static const WCHAR wQuote[] = {'"',0};
1475     static const WCHAR wSpace[] = {' ',0};
1476     UINT_PTR retval;
1477     DWORD len;
1478     WCHAR *wszQuotedCmd;
1479
1480     /* Length of quotes plus length of command plus NULL terminator */
1481     len = 2 + lstrlenW(wcmd) + 1;
1482     if (wszParameters[0])
1483     {
1484         /* Length of space plus length of parameters */
1485         len += 1 + lstrlenW(wszParameters);
1486     }
1487     wszQuotedCmd = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
1488     /* Must quote to handle case where cmd contains spaces,
1489      * else security hole if malicious user creates executable file "C:\\Program"
1490      */
1491     strcpyW(wszQuotedCmd, wQuote);
1492     strcatW(wszQuotedCmd, wcmd);
1493     strcatW(wszQuotedCmd, wQuote);
1494     if (wszParameters[0]) {
1495         strcatW(wszQuotedCmd, wSpace);
1496         strcatW(wszQuotedCmd, wszParameters);
1497     }
1498     TRACE("%s/%s => %s/%s\n", debugstr_w(wszApplicationName), debugstr_w(psei->lpVerb), debugstr_w(wszQuotedCmd), debugstr_w(wszKeyname));
1499     if (*wszKeyname)
1500         retval = execute_from_key(wszKeyname, wszApplicationName, env, psei->lpParameters, wcmd, execfunc, psei, psei_out);
1501     else
1502         retval = execfunc(wszQuotedCmd, env, FALSE, psei, psei_out);
1503     HeapFree(GetProcessHeap(), 0, wszQuotedCmd);
1504     return retval;
1505 }
1506
1507 static UINT_PTR SHELL_execute_url( LPCWSTR lpFile, LPCWSTR wcmd, LPSHELLEXECUTEINFOW psei, LPSHELLEXECUTEINFOW psei_out, SHELL_ExecuteW32 execfunc )
1508 {
1509     static const WCHAR wShell[] = {'\\','s','h','e','l','l','\\',0};
1510     static const WCHAR wCommand[] = {'\\','c','o','m','m','a','n','d',0};
1511     UINT_PTR retval;
1512     WCHAR *lpstrProtocol;
1513     LPCWSTR lpstrRes;
1514     INT iSize;
1515     DWORD len;
1516
1517     lpstrRes = strchrW(lpFile, ':');
1518     if (lpstrRes)
1519         iSize = lpstrRes - lpFile;
1520     else
1521         iSize = strlenW(lpFile);
1522
1523     TRACE("Got URL: %s\n", debugstr_w(lpFile));
1524     /* Looking for ...<protocol>\shell\<lpVerb>\command */
1525     len = iSize + lstrlenW(wShell) + lstrlenW(wCommand) + 1;
1526     if (psei->lpVerb && *psei->lpVerb)
1527         len += lstrlenW(psei->lpVerb);
1528     else
1529         len += lstrlenW(wszOpen);
1530     lpstrProtocol = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
1531     memcpy(lpstrProtocol, lpFile, iSize*sizeof(WCHAR));
1532     lpstrProtocol[iSize] = '\0';
1533     strcatW(lpstrProtocol, wShell);
1534     strcatW(lpstrProtocol, psei->lpVerb && *psei->lpVerb ? psei->lpVerb: wszOpen);
1535     strcatW(lpstrProtocol, wCommand);
1536
1537     retval = execute_from_key(lpstrProtocol, lpFile, NULL, psei->lpParameters,
1538                               wcmd, execfunc, psei, psei_out);
1539     HeapFree(GetProcessHeap(), 0, lpstrProtocol);
1540     return retval;
1541 }
1542
1543 static void do_error_dialog( UINT_PTR retval, HWND hwnd )
1544 {
1545     WCHAR msg[2048];
1546     int error_code=GetLastError();
1547
1548     if (retval == SE_ERR_NOASSOC)
1549         LoadStringW(shell32_hInstance, IDS_SHLEXEC_NOASSOC, msg, sizeof(msg)/sizeof(WCHAR));
1550     else
1551         FormatMessageW(FORMAT_MESSAGE_FROM_SYSTEM, NULL, error_code, 0, msg, sizeof(msg)/sizeof(WCHAR), NULL);
1552
1553     MessageBoxW(hwnd, msg, NULL, MB_ICONERROR);
1554 }
1555
1556 /*************************************************************************
1557  *      SHELL_execute [Internal]
1558  */
1559 static BOOL SHELL_execute( LPSHELLEXECUTEINFOW sei, SHELL_ExecuteW32 execfunc )
1560 {
1561     static const WCHAR wSpace[] = {' ',0};
1562     static const WCHAR wWww[] = {'w','w','w',0};
1563     static const WCHAR wHttp[] = {'h','t','t','p',':','/','/',0};
1564     static const DWORD unsupportedFlags =
1565         SEE_MASK_INVOKEIDLIST  | SEE_MASK_ICON         | SEE_MASK_HOTKEY |
1566         SEE_MASK_CONNECTNETDRV | SEE_MASK_FLAG_DDEWAIT |
1567         SEE_MASK_UNICODE       | SEE_MASK_ASYNCOK      | SEE_MASK_HMONITOR;
1568
1569     WCHAR parametersBuffer[1024], dirBuffer[MAX_PATH], wcmdBuffer[1024];
1570     WCHAR *wszApplicationName, *wszParameters, *wszDir, *wcmd;
1571     DWORD dwApplicationNameLen = MAX_PATH+2;
1572     DWORD parametersLen = sizeof(parametersBuffer) / sizeof(WCHAR);
1573     DWORD dirLen = sizeof(dirBuffer) / sizeof(WCHAR);
1574     DWORD wcmdLen = sizeof(wcmdBuffer) / sizeof(WCHAR);
1575     DWORD len;
1576     SHELLEXECUTEINFOW sei_tmp;  /* modifiable copy of SHELLEXECUTEINFO struct */
1577     WCHAR wfileName[MAX_PATH];
1578     WCHAR *env;
1579     WCHAR wszKeyname[256];
1580     LPCWSTR lpFile;
1581     UINT_PTR retval = SE_ERR_NOASSOC;
1582     BOOL appKnownSingular = FALSE;
1583
1584     /* make a local copy of the LPSHELLEXECUTEINFO structure and work with this from now on */
1585     sei_tmp = *sei;
1586
1587     TRACE("mask=0x%08x hwnd=%p verb=%s file=%s parm=%s dir=%s show=0x%08x class=%s\n",
1588             sei_tmp.fMask, sei_tmp.hwnd, debugstr_w(sei_tmp.lpVerb),
1589             debugstr_w(sei_tmp.lpFile), debugstr_w(sei_tmp.lpParameters),
1590             debugstr_w(sei_tmp.lpDirectory), sei_tmp.nShow,
1591             ((sei_tmp.fMask & SEE_MASK_CLASSALL) == SEE_MASK_CLASSNAME) ?
1592                 debugstr_w(sei_tmp.lpClass) : "not used");
1593
1594     sei->hProcess = NULL;
1595
1596     /* make copies of all path/command strings */
1597     if (!sei_tmp.lpFile)
1598     {
1599         wszApplicationName = HeapAlloc(GetProcessHeap(), 0, dwApplicationNameLen*sizeof(WCHAR));
1600         *wszApplicationName = '\0';
1601     }
1602     else if (*sei_tmp.lpFile == '\"')
1603     {
1604         DWORD l = strlenW(sei_tmp.lpFile+1);
1605         if(l >= dwApplicationNameLen) dwApplicationNameLen = l+1;
1606         wszApplicationName = HeapAlloc(GetProcessHeap(), 0, dwApplicationNameLen*sizeof(WCHAR));
1607         memcpy(wszApplicationName, sei_tmp.lpFile+1, (l+1)*sizeof(WCHAR));
1608         if (wszApplicationName[l-1] == '\"')
1609             wszApplicationName[l-1] = '\0';
1610         appKnownSingular = TRUE;
1611         TRACE("wszApplicationName=%s\n",debugstr_w(wszApplicationName));
1612     } else {
1613         DWORD l = strlenW(sei_tmp.lpFile)+1;
1614         if(l > dwApplicationNameLen) dwApplicationNameLen = l+1;
1615         wszApplicationName = HeapAlloc(GetProcessHeap(), 0, dwApplicationNameLen*sizeof(WCHAR));
1616         memcpy(wszApplicationName, sei_tmp.lpFile, l*sizeof(WCHAR));
1617     }
1618
1619     wszParameters = parametersBuffer;
1620     if (sei_tmp.lpParameters)
1621     {
1622         len = lstrlenW(sei_tmp.lpParameters) + 1;
1623         if (len > parametersLen)
1624         {
1625             wszParameters = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
1626             parametersLen = len;
1627         }
1628         strcpyW(wszParameters, sei_tmp.lpParameters);
1629     }
1630     else
1631         *wszParameters = '\0';
1632
1633     wszDir = dirBuffer;
1634     if (sei_tmp.lpDirectory)
1635     {
1636         len = lstrlenW(sei_tmp.lpDirectory) + 1;
1637         if (len > dirLen)
1638         {
1639             wszDir = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
1640             dirLen = len;
1641         }
1642         strcpyW(wszDir, sei_tmp.lpDirectory);
1643     }
1644     else
1645         *wszDir = '\0';
1646
1647     /* adjust string pointers to point to the new buffers */
1648     sei_tmp.lpFile = wszApplicationName;
1649     sei_tmp.lpParameters = wszParameters;
1650     sei_tmp.lpDirectory = wszDir;
1651
1652     if (sei_tmp.fMask & unsupportedFlags)
1653     {
1654         FIXME("flags ignored: 0x%08x\n", sei_tmp.fMask & unsupportedFlags);
1655     }
1656
1657     /* process the IDList */
1658     if (sei_tmp.fMask & SEE_MASK_IDLIST)
1659     {
1660         IShellExecuteHookW* pSEH;
1661
1662         HRESULT hr = SHBindToParent(sei_tmp.lpIDList, &IID_IShellExecuteHookW, (LPVOID*)&pSEH, NULL);
1663
1664         if (SUCCEEDED(hr))
1665         {
1666             hr = IShellExecuteHookW_Execute(pSEH, &sei_tmp);
1667
1668             IShellExecuteHookW_Release(pSEH);
1669
1670             if (hr == S_OK) {
1671                 HeapFree(GetProcessHeap(), 0, wszApplicationName);
1672                 if (wszParameters != parametersBuffer)
1673                     HeapFree(GetProcessHeap(), 0, wszParameters);
1674                 if (wszDir != dirBuffer)
1675                     HeapFree(GetProcessHeap(), 0, wszDir);
1676                 return TRUE;
1677             }
1678         }
1679
1680         SHGetPathFromIDListW(sei_tmp.lpIDList, wszApplicationName);
1681         appKnownSingular = TRUE;
1682         TRACE("-- idlist=%p (%s)\n", sei_tmp.lpIDList, debugstr_w(wszApplicationName));
1683     }
1684
1685     if ( ERROR_SUCCESS == ShellExecute_FromContextMenu( &sei_tmp ) )
1686     {
1687         sei->hInstApp = (HINSTANCE) 33;
1688         HeapFree(GetProcessHeap(), 0, wszApplicationName);
1689         if (wszParameters != parametersBuffer)
1690             HeapFree(GetProcessHeap(), 0, wszParameters);
1691         if (wszDir != dirBuffer)
1692             HeapFree(GetProcessHeap(), 0, wszDir);
1693         return TRUE;
1694     }
1695
1696     if (sei_tmp.fMask & SEE_MASK_CLASSALL)
1697     {
1698         retval = SHELL_execute_class( wszApplicationName, &sei_tmp, sei,
1699                                       execfunc );
1700         if (retval <= 32 && !(sei_tmp.fMask & SEE_MASK_FLAG_NO_UI))
1701             do_error_dialog(retval, sei_tmp.hwnd);
1702         HeapFree(GetProcessHeap(), 0, wszApplicationName);
1703         if (wszParameters != parametersBuffer)
1704             HeapFree(GetProcessHeap(), 0, wszParameters);
1705         if (wszDir != dirBuffer)
1706             HeapFree(GetProcessHeap(), 0, wszDir);
1707         return retval > 32;
1708     }
1709
1710     /* Has the IDList not yet been translated? */
1711     if (sei_tmp.fMask & SEE_MASK_IDLIST)
1712     {
1713         appKnownSingular = SHELL_translate_idlist( &sei_tmp, wszParameters,
1714                                                    parametersLen,
1715                                                    wszApplicationName,
1716                                                    dwApplicationNameLen );
1717     }
1718
1719     /* convert file URLs */
1720     if (UrlIsFileUrlW(sei_tmp.lpFile))
1721     {
1722         LPWSTR buf;
1723         DWORD size;
1724
1725         size = MAX_PATH;
1726         buf = HeapAlloc(GetProcessHeap(), 0, size * sizeof(WCHAR));
1727         if (!buf || FAILED(PathCreateFromUrlW(sei_tmp.lpFile, buf, &size, 0))) {
1728             HeapFree(GetProcessHeap(), 0, buf);
1729             return SE_ERR_OOM;
1730         }
1731
1732         HeapFree(GetProcessHeap(), 0, wszApplicationName);
1733         dwApplicationNameLen = lstrlenW(buf) + 1;
1734         wszApplicationName = buf;
1735         sei_tmp.lpFile = wszApplicationName;
1736     }
1737     else /* or expand environment strings (not both!) */
1738     {
1739         len = ExpandEnvironmentStringsW(sei_tmp.lpFile, NULL, 0);
1740         if (len>0)
1741         {
1742             LPWSTR buf;
1743             buf = HeapAlloc(GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR));
1744
1745             ExpandEnvironmentStringsW(sei_tmp.lpFile, buf, len + 1);
1746             HeapFree(GetProcessHeap(), 0, wszApplicationName);
1747             dwApplicationNameLen = len + 1;
1748             wszApplicationName = buf;
1749             /* appKnownSingular unmodified */
1750
1751             sei_tmp.lpFile = wszApplicationName;
1752         }
1753     }
1754
1755     if (*sei_tmp.lpDirectory)
1756     {
1757         len = ExpandEnvironmentStringsW(sei_tmp.lpDirectory, NULL, 0);
1758         if (len > 0)
1759         {
1760             LPWSTR buf;
1761             len++;
1762             buf = HeapAlloc(GetProcessHeap(),0,len*sizeof(WCHAR));
1763             ExpandEnvironmentStringsW(sei_tmp.lpDirectory, buf, len);
1764             if (wszDir != dirBuffer)
1765                 HeapFree(GetProcessHeap(), 0, wszDir);
1766             wszDir = buf;
1767             sei_tmp.lpDirectory = wszDir;
1768         }
1769     }
1770
1771     /* Else, try to execute the filename */
1772     TRACE("execute:%s,%s,%s\n", debugstr_w(wszApplicationName), debugstr_w(wszParameters), debugstr_w(wszDir));
1773
1774     /* separate out command line arguments from executable file name */
1775     if (!*sei_tmp.lpParameters && !appKnownSingular) {
1776         /* If the executable path is quoted, handle the rest of the command line as parameters. */
1777         if (sei_tmp.lpFile[0] == '"') {
1778             LPWSTR src = wszApplicationName/*sei_tmp.lpFile*/ + 1;
1779             LPWSTR dst = wfileName;
1780             LPWSTR end;
1781
1782             /* copy the unquoted executable path to 'wfileName' */
1783             while(*src && *src!='"')
1784                 *dst++ = *src++;
1785
1786             *dst = '\0';
1787
1788             if (*src == '"') {
1789                 end = ++src;
1790
1791                 while(isspace(*src))
1792                     ++src;
1793             } else
1794                 end = src;
1795
1796             /* copy the parameter string to 'wszParameters' */
1797             strcpyW(wszParameters, src);
1798
1799             /* terminate previous command string after the quote character */
1800             *end = '\0';
1801             lpFile = wfileName;
1802         }
1803         else
1804         {
1805             /* If the executable name is not quoted, we have to use this search loop here,
1806                that in CreateProcess() is not sufficient because it does not handle shell links. */
1807             WCHAR buffer[MAX_PATH], xlpFile[MAX_PATH];
1808             LPWSTR space, s;
1809
1810             LPWSTR beg = wszApplicationName/*sei_tmp.lpFile*/;
1811             for(s=beg; (space=strchrW(s, ' ')); s=space+1) {
1812                 int idx = space-sei_tmp.lpFile;
1813                 memcpy(buffer, sei_tmp.lpFile, idx * sizeof(WCHAR));
1814                 buffer[idx] = '\0';
1815
1816                 /*FIXME This finds directory paths if the targeted file name contains spaces. */
1817                 if (SearchPathW(*sei_tmp.lpDirectory? sei_tmp.lpDirectory: NULL, buffer, wszExe, sizeof(xlpFile)/sizeof(xlpFile[0]), xlpFile, NULL))
1818                 {
1819                     /* separate out command from parameter string */
1820                     LPCWSTR p = space + 1;
1821
1822                     while(isspaceW(*p))
1823                         ++p;
1824
1825                     strcpyW(wszParameters, p);
1826                     *space = '\0';
1827
1828                     break;
1829                 }
1830             }
1831
1832             lpFile = sei_tmp.lpFile;
1833         }
1834     } else
1835         lpFile = sei_tmp.lpFile;
1836
1837     wcmd = wcmdBuffer;
1838     len = lstrlenW(wszApplicationName) + 1;
1839     if (sei_tmp.lpParameters[0])
1840         len += 1 + lstrlenW(wszParameters);
1841     if (len > wcmdLen)
1842     {
1843         wcmd = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
1844         wcmdLen = len;
1845     }
1846     strcpyW(wcmd, wszApplicationName);
1847     if (sei_tmp.lpParameters[0]) {
1848         strcatW(wcmd, wSpace);
1849         strcatW(wcmd, wszParameters);
1850     }
1851
1852     retval = execfunc(wcmd, NULL, FALSE, &sei_tmp, sei);
1853     if (retval > 32) {
1854         HeapFree(GetProcessHeap(), 0, wszApplicationName);
1855         if (wszParameters != parametersBuffer)
1856             HeapFree(GetProcessHeap(), 0, wszParameters);
1857         if (wszDir != dirBuffer)
1858             HeapFree(GetProcessHeap(), 0, wszDir);
1859         if (wcmd != wcmdBuffer)
1860             HeapFree(GetProcessHeap(), 0, wcmd);
1861         return TRUE;
1862     }
1863
1864     /* Else, try to find the executable */
1865     wcmd[0] = '\0';
1866     retval = SHELL_FindExecutable(sei_tmp.lpDirectory, lpFile, sei_tmp.lpVerb, wcmd, wcmdLen, wszKeyname, &env, sei_tmp.lpIDList, sei_tmp.lpParameters);
1867     if (retval > 32)  /* Found */
1868     {
1869         retval = SHELL_quote_and_execute( wcmd, wszParameters, wszKeyname,
1870                                           wszApplicationName, env, &sei_tmp,
1871                                           sei, execfunc );
1872         HeapFree( GetProcessHeap(), 0, env );
1873     }
1874     else if (PathIsDirectoryW(lpFile))
1875     {
1876         static const WCHAR wExplorer[] = {'e','x','p','l','o','r','e','r',0};
1877         static const WCHAR wQuote[] = {'"',0};
1878         WCHAR wExec[MAX_PATH];
1879         WCHAR * lpQuotedFile = HeapAlloc( GetProcessHeap(), 0, sizeof(WCHAR) * (strlenW(lpFile) + 3) );
1880
1881         if (lpQuotedFile)
1882         {
1883             retval = SHELL_FindExecutable( sei_tmp.lpDirectory, wExplorer,
1884                                            wszOpen, wExec, MAX_PATH,
1885                                            NULL, &env, NULL, NULL );
1886             if (retval > 32)
1887             {
1888                 strcpyW(lpQuotedFile, wQuote);
1889                 strcatW(lpQuotedFile, lpFile);
1890                 strcatW(lpQuotedFile, wQuote);
1891                 retval = SHELL_quote_and_execute( wExec, lpQuotedFile,
1892                                                   wszKeyname,
1893                                                   wszApplicationName, env,
1894                                                   &sei_tmp, sei, execfunc );
1895                 HeapFree( GetProcessHeap(), 0, env );
1896             }
1897             HeapFree( GetProcessHeap(), 0, lpQuotedFile );
1898         }
1899         else
1900             retval = 0; /* Out of memory */
1901     }
1902     else if (PathIsURLW(lpFile))    /* File not found, check for URL */
1903     {
1904         retval = SHELL_execute_url( lpFile, wcmd, &sei_tmp, sei, execfunc );
1905     }
1906     /* Check if file specified is in the form www.??????.*** */
1907     else if (!strncmpiW(lpFile, wWww, 3))
1908     {
1909         /* if so, prefix lpFile with http:// and call ShellExecute */
1910         WCHAR lpstrTmpFile[256];
1911         strcpyW(lpstrTmpFile, wHttp);
1912         strcatW(lpstrTmpFile, lpFile);
1913         retval = (UINT_PTR)ShellExecuteW(sei_tmp.hwnd, sei_tmp.lpVerb, lpstrTmpFile, NULL, NULL, 0);
1914     }
1915
1916     TRACE("retval %lu\n", retval);
1917
1918     HeapFree(GetProcessHeap(), 0, wszApplicationName);
1919     if (wszParameters != parametersBuffer)
1920         HeapFree(GetProcessHeap(), 0, wszParameters);
1921     if (wszDir != dirBuffer)
1922         HeapFree(GetProcessHeap(), 0, wszDir);
1923     if (wcmd != wcmdBuffer)
1924         HeapFree(GetProcessHeap(), 0, wcmd);
1925
1926     sei->hInstApp = (HINSTANCE)(retval > 32 ? 33 : retval);
1927
1928     if (retval <= 32 && !(sei_tmp.fMask & SEE_MASK_FLAG_NO_UI))
1929         do_error_dialog(retval, sei_tmp.hwnd);
1930     return retval > 32;
1931 }
1932
1933 /*************************************************************************
1934  * ShellExecuteA                        [SHELL32.290]
1935  */
1936 HINSTANCE WINAPI ShellExecuteA(HWND hWnd, LPCSTR lpVerb, LPCSTR lpFile,
1937                                LPCSTR lpParameters, LPCSTR lpDirectory, INT iShowCmd)
1938 {
1939     SHELLEXECUTEINFOA sei;
1940
1941     TRACE("%p,%s,%s,%s,%s,%d\n",
1942           hWnd, debugstr_a(lpVerb), debugstr_a(lpFile),
1943           debugstr_a(lpParameters), debugstr_a(lpDirectory), iShowCmd);
1944
1945     sei.cbSize = sizeof(sei);
1946     sei.fMask = SEE_MASK_FLAG_NO_UI;
1947     sei.hwnd = hWnd;
1948     sei.lpVerb = lpVerb;
1949     sei.lpFile = lpFile;
1950     sei.lpParameters = lpParameters;
1951     sei.lpDirectory = lpDirectory;
1952     sei.nShow = iShowCmd;
1953     sei.lpIDList = 0;
1954     sei.lpClass = 0;
1955     sei.hkeyClass = 0;
1956     sei.dwHotKey = 0;
1957     sei.hProcess = 0;
1958
1959     ShellExecuteExA (&sei);
1960     return sei.hInstApp;
1961 }
1962
1963 /*************************************************************************
1964  * ShellExecuteExA                              [SHELL32.292]
1965  *
1966  */
1967 BOOL WINAPI DECLSPEC_HOTPATCH ShellExecuteExA (LPSHELLEXECUTEINFOA sei)
1968 {
1969     SHELLEXECUTEINFOW seiW;
1970     BOOL ret;
1971     WCHAR *wVerb = NULL, *wFile = NULL, *wParameters = NULL, *wDirectory = NULL, *wClass = NULL;
1972
1973     TRACE("%p\n", sei);
1974
1975     memcpy(&seiW, sei, sizeof(SHELLEXECUTEINFOW));
1976
1977     if (sei->lpVerb)
1978         seiW.lpVerb = __SHCloneStrAtoW(&wVerb, sei->lpVerb);
1979
1980     if (sei->lpFile)
1981         seiW.lpFile = __SHCloneStrAtoW(&wFile, sei->lpFile);
1982
1983     if (sei->lpParameters)
1984         seiW.lpParameters = __SHCloneStrAtoW(&wParameters, sei->lpParameters);
1985
1986     if (sei->lpDirectory)
1987         seiW.lpDirectory = __SHCloneStrAtoW(&wDirectory, sei->lpDirectory);
1988
1989     if ((sei->fMask & SEE_MASK_CLASSALL) == SEE_MASK_CLASSNAME && sei->lpClass)
1990         seiW.lpClass = __SHCloneStrAtoW(&wClass, sei->lpClass);
1991     else
1992         seiW.lpClass = NULL;
1993
1994     ret = SHELL_execute( &seiW, SHELL_ExecuteW );
1995
1996     sei->hInstApp = seiW.hInstApp;
1997
1998     if (sei->fMask & SEE_MASK_NOCLOSEPROCESS)
1999         sei->hProcess = seiW.hProcess;
2000
2001     SHFree(wVerb);
2002     SHFree(wFile);
2003     SHFree(wParameters);
2004     SHFree(wDirectory);
2005     SHFree(wClass);
2006
2007     return ret;
2008 }
2009
2010 /*************************************************************************
2011  * ShellExecuteExW                              [SHELL32.293]
2012  *
2013  */
2014 BOOL WINAPI DECLSPEC_HOTPATCH ShellExecuteExW (LPSHELLEXECUTEINFOW sei)
2015 {
2016     return SHELL_execute( sei, SHELL_ExecuteW );
2017 }
2018
2019 /*************************************************************************
2020  * ShellExecuteW                        [SHELL32.294]
2021  * from shellapi.h
2022  * WINSHELLAPI HINSTANCE APIENTRY ShellExecuteW(HWND hwnd, LPCWSTR lpVerb,
2023  * LPCWSTR lpFile, LPCWSTR lpParameters, LPCWSTR lpDirectory, INT nShowCmd);
2024  */
2025 HINSTANCE WINAPI ShellExecuteW(HWND hwnd, LPCWSTR lpVerb, LPCWSTR lpFile,
2026                                LPCWSTR lpParameters, LPCWSTR lpDirectory, INT nShowCmd)
2027 {
2028     SHELLEXECUTEINFOW sei;
2029
2030     TRACE("\n");
2031     sei.cbSize = sizeof(sei);
2032     sei.fMask = SEE_MASK_FLAG_NO_UI;
2033     sei.hwnd = hwnd;
2034     sei.lpVerb = lpVerb;
2035     sei.lpFile = lpFile;
2036     sei.lpParameters = lpParameters;
2037     sei.lpDirectory = lpDirectory;
2038     sei.nShow = nShowCmd;
2039     sei.lpIDList = 0;
2040     sei.lpClass = 0;
2041     sei.hkeyClass = 0;
2042     sei.dwHotKey = 0;
2043     sei.hProcess = 0;
2044
2045     SHELL_execute( &sei, SHELL_ExecuteW );
2046     return sei.hInstApp;
2047 }
2048
2049 /*************************************************************************
2050  * WOWShellExecute                      [SHELL32.@]
2051  *
2052  * FIXME: the callback function most likely doesn't work the same way on Windows.
2053  */
2054 HINSTANCE WINAPI WOWShellExecute(HWND hWnd, LPCSTR lpVerb,LPCSTR lpFile,
2055                                  LPCSTR lpParameters,LPCSTR lpDirectory, INT iShowCmd, void *callback)
2056 {
2057     SHELLEXECUTEINFOW seiW;
2058     WCHAR *wVerb = NULL, *wFile = NULL, *wParameters = NULL, *wDirectory = NULL;
2059     HANDLE hProcess = 0;
2060
2061     seiW.lpVerb = lpVerb ? __SHCloneStrAtoW(&wVerb, lpVerb) : NULL;
2062     seiW.lpFile = lpFile ? __SHCloneStrAtoW(&wFile, lpFile) : NULL;
2063     seiW.lpParameters = lpParameters ? __SHCloneStrAtoW(&wParameters, lpParameters) : NULL;
2064     seiW.lpDirectory = lpDirectory ? __SHCloneStrAtoW(&wDirectory, lpDirectory) : NULL;
2065
2066     seiW.cbSize = sizeof(seiW);
2067     seiW.fMask = 0;
2068     seiW.hwnd = hWnd;
2069     seiW.nShow = iShowCmd;
2070     seiW.lpIDList = 0;
2071     seiW.lpClass = 0;
2072     seiW.hkeyClass = 0;
2073     seiW.dwHotKey = 0;
2074     seiW.hProcess = hProcess;
2075
2076     SHELL_execute( &seiW, callback );
2077
2078     SHFree(wVerb);
2079     SHFree(wFile);
2080     SHFree(wParameters);
2081     SHFree(wDirectory);
2082     return seiW.hInstApp;
2083 }
2084
2085 /*************************************************************************
2086  * OpenAs_RunDLLA          [SHELL32.@]
2087  */
2088 void WINAPI OpenAs_RunDLLA(HWND hwnd, HINSTANCE hinst, LPCSTR cmdline, int cmdshow)
2089 {
2090     FIXME("%p, %p, %s, %d\n", hwnd, hinst, debugstr_a(cmdline), cmdshow);
2091 }
2092
2093 /*************************************************************************
2094  * OpenAs_RunDLLW          [SHELL32.@]
2095  */
2096 void WINAPI OpenAs_RunDLLW(HWND hwnd, HINSTANCE hinst, LPCWSTR cmdline, int cmdshow)
2097 {
2098     FIXME("%p, %p, %s, %d\n", hwnd, hinst, debugstr_w(cmdline), cmdshow);
2099 }