reactos/lib/shell32/shlexec.c

   1 /*
   2  *                              Shell Library Functions
   3  *
   4  * Copyright 1998 Marcus Meissner
   5  * Copyright 2002 Eric Pouech
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  */
  21
  22 #include "config.h"
  23 #include "wine/port.h"
  24
  25 #include <stdlib.h>
  26 #include <string.h>
  27 #include <stdarg.h>
  28 #include <stdio.h>
  29 #ifdef HAVE_UNISTD_H
  30 # include <unistd.h>
  31 #endif
  32 #include <ctype.h>
  33 #include <assert.h>
  34
  35 #include "windef.h"
  36 #include "winbase.h"
  37 #include "winerror.h"
  38 #include "winreg.h"
  39 #include "wownt32.h"
  40 #include "heap.h"
  41 #include "shellapi.h"
  42 #include "wingdi.h"
  43 #include "winuser.h"
  44 #include "shlobj.h"
  45 #include "shlwapi.h"
  46 #include "ddeml.h"
  47
  48 #include "wine/winbase16.h"
  49 #include "shell32_main.h"
  50 #include "undocshell.h"
  51 #include "pidl.h"
  52
  53 #include "wine/debug.h"
  54
  55 WINE_DEFAULT_DEBUG_CHANNEL(exec);
  56
  57 /***********************************************************************
  58  * this function is supposed to expand the escape sequences found in the registry
  59  * some diving reported that the following were used:
  60  * + %1, %2...  seem to report to parameter of index N in ShellExecute pmts
  61  *      %1 file
  62  *      %2 printer
  63  *      %3 driver
  64  *      %4 port
  65  * %I address of a global item ID (explorer switch /idlist)
  66  * %L seems to be %1 as long filename followed by the 8+3 variation
  67  * %S ???
  68  * %* all following parameters (see batfile)
  69  */
  70 static BOOL argifyA(char* out, int len, const char* fmt, const char* lpFile, LPITEMIDLIST pidl, LPCSTR args)
  71 {
  72     char    xlpFile[1024];
  73     BOOL    done = FALSE;
  74     LPVOID  pv;
  75     char    *res = out;
  76     const char *cmd;
  77
  78     while (*fmt)
  79     {
  80         if (*fmt == '%')
  81         {
  82             switch (*++fmt)
  83             {
  84               case '\0':
  85               case '%':
  86                 *res++ = '%';
  87                 break;
  88
  89               case '2':
  90               case '3':
  91               case '4':
  92               case '5':
  93               case '6':
  94               case '7':
  95               case '8':
  96               case '9':
  97               case '0':
  98               case '*':
  99                 if (args)
 100                 {
 101                     if (*fmt == '*')
 102                     {
 103                         *res++ = '"';
 104                         while(*args)
 105                             *res++ = *args++;
 106                         *res++ = '"';
 107                     }
 108                     else
 109                     {
 110                         while(*args && !isspace(*args))
 111                             *res++ = *args++;
 112
 113                         while(isspace(*args))
 114                             ++args;
 115                     }
 116                 }
 117                 else
 118                 {
 119               case '1':
 120                     if (!done || (*fmt == '1'))
 121                     {
 122                         /*FIXME Is SearchPath() really needed? We already have separated out the parameter string in args. */
 123                         if (SearchPathA(NULL, lpFile, ".exe", sizeof(xlpFile), xlpFile, NULL))
 124                             cmd = xlpFile;
 125                         else
 126                             cmd = lpFile;
 127
 128                         /* Add double quotation marks unless we already have them (e.g.: "%1" %* for exefile) */
 129                         if (res != out && *(res - 1) == '"')
 130                         {
 131                             strcpy(res, cmd);
 132                             res += strlen(cmd);
 133                         }
 134                         else
 135                         {
 136                             strcpy(res, cmd);
 137                             res += strlen(cmd);
 138                         }
 139                     }
 140                 }
 141                 break;
 142
 143               /*
 144                * IE uses this alot for activating things such as windows media
 145                * player. This is not verified to be fully correct but it appears
 146                * to work just fine.
 147                */
 148               case 'l':
 149               case 'L':
 150                 if (lpFile) {
 151                     strcpy(res, lpFile);
 152                     res += strlen(lpFile);
 153                 }
 154                 break;
 155
 156               case 'i':
 157               case 'I':
 158                 if (pidl) {
 159                     HGLOBAL hmem = SHAllocShared(pidl, ILGetSize(pidl), 0);
 160                     pv = SHLockShared(hmem, 0);
 161                     res += sprintf(res, ":%p", pv);
 162                     SHUnlockShared(pv);
 163                 }
 164                 break;
 165
 166             default: FIXME("Unknown escape sequence %%%c\n", *fmt);
 167             }
 168
 169             fmt++;
 170             done = TRUE;
 171         }
 172         else
 173             *res++ = *fmt++;
 174     }
 175
 176     *res = '\0';
 177
 178     return done;
 179 }
 180
 181 HRESULT SHELL_GetPathFromIDListForExecuteA(LPCITEMIDLIST pidl, LPSTR pszPath, UINT uOutSize)
 182 {
 183     STRRET strret;
 184     IShellFolder* desktop;
 185
 186     HRESULT hr = SHGetDesktopFolder(&desktop);
 187
 188     if (SUCCEEDED(hr)) {
 189         hr = IShellFolder_GetDisplayNameOf(desktop, pidl, SHGDN_FORPARSING, &strret);
 190
 191         if (SUCCEEDED(hr))
 192             StrRetToStrNA(pszPath, uOutSize, &strret, pidl);
 193
 194         IShellFolder_Release(desktop);
 195     }
 196
 197     return hr;
 198 }
 199
 200 HRESULT SHELL_GetPathFromIDListForExecuteW(LPCITEMIDLIST pidl, LPWSTR pszPath, UINT uOutSize)
 201 {
 202     STRRET strret;
 203     IShellFolder* desktop;
 204
 205     HRESULT hr = SHGetDesktopFolder(&desktop);
 206
 207     if (SUCCEEDED(hr)) {
 208         hr = IShellFolder_GetDisplayNameOf(desktop, pidl, SHGDN_FORPARSING, &strret);
 209
 210         if (SUCCEEDED(hr))
 211             StrRetToStrNW(pszPath, uOutSize, &strret, pidl);
 212
 213         IShellFolder_Release(desktop);
 214     }
 215
 216     return hr;
 217 }
 218
 219 /*************************************************************************
 220  *      SHELL_ResolveShortCutW [Internal]
 221  *      read shortcut file at 'wcmd' and fill psei with its content
 222  */
 223 static HRESULT SHELL_ResolveShortCutW(LPWSTR wcmd, LPWSTR wargs, LPWSTR wdir, HWND hwnd, LPCWSTR lpVerb, int* pshowcmd, LPITEMIDLIST* ppidl)
 224 {
 225     IShellFolder* psf;
 226
 227     HRESULT hr = SHGetDesktopFolder(&psf);
 228
 229     *ppidl = NULL;
 230
 231     if (SUCCEEDED(hr)) {
 232         LPITEMIDLIST pidl;
 233         ULONG l;
 234
 235         hr = IShellFolder_ParseDisplayName(psf, 0, 0, wcmd, &l, &pidl, 0);
 236
 237         if (SUCCEEDED(hr)) {
 238             IShellLinkW* psl;
 239
 240             hr = IShellFolder_GetUIObjectOf(psf, NULL, 1, (LPCITEMIDLIST*)&pidl, &IID_IShellLinkW, NULL, (LPVOID*)&psl);
 241
 242             if (SUCCEEDED(hr)) {
 243                 hr = IShellLinkW_Resolve(psl, hwnd, 0);
 244
 245                 if (SUCCEEDED(hr)) {
 246                     hr = IShellLinkW_GetPath(psl, wcmd, MAX_PATH, NULL, SLGP_UNCPRIORITY);
 247
 248                     if (SUCCEEDED(hr)) {
 249                         if (!*wcmd) {
 250                             /* We could not translate the PIDL in the shell link into a valid file system path - so return the PIDL instead. */
 251                             hr = IShellLinkW_GetIDList(psl, ppidl);
 252
 253                             if (SUCCEEDED(hr) && *ppidl) {
 254                                 /* We got a PIDL instead of a file system path - try to translate it. */
 255                                 if (SUCCEEDED(SHELL_GetPathFromIDListW(*ppidl, wcmd, MAX_PATH))) {
 256                                     SHFree(*ppidl);
 257                                     *ppidl = NULL;
 258                                 }
 259                             }
 260                         }
 261
 262                         if (SUCCEEDED(hr)) {
 263                             /* get command line arguments, working directory and display mode if available */
 264                             IShellLinkW_GetWorkingDirectory(psl, wdir, MAX_PATH);
 265                             IShellLinkW_GetArguments(psl, wargs, MAX_PATH);
 266                             IShellLinkW_GetShowCmd(psl, pshowcmd);
 267                         }
 268                     }
 269                 }
 270
 271                 IShellLinkW_Release(psl);
 272             }
 273
 274             SHFree(pidl);
 275         }
 276
 277         IShellFolder_Release(psf);
 278     }
 279
 280     return hr;
 281 }
 282
 283 /*************************************************************************
 284  *      SHELL_ResolveShortCutA [Internal]
 285  *      read shortcut file at 'psei->lpFile' and fill psei with its content
 286  */
 287 static HRESULT SHELL_ResolveShortCutA(LPSHELLEXECUTEINFOA psei)
 288 {
 289     WCHAR wcmd[MAX_PATH], wargs[MAX_PATH], wdir[MAX_PATH], wverb[MAX_PATH];
 290
 291     HRESULT hr = S_OK;
 292
 293     if (MultiByteToWideChar(CP_ACP, 0, psei->lpFile, -1, wcmd, MAX_PATH)) {
 294         MultiByteToWideChar(CP_ACP, 0, psei->lpDirectory, -1, wdir, MAX_PATH);
 295         MultiByteToWideChar(CP_ACP, 0, psei->lpVerb?psei->lpVerb:"", -1, wverb, MAX_PATH);
 296
 297         hr = SHELL_ResolveShortCutW(wcmd, wargs, wdir, psei->hwnd, wverb, &psei->nShow, (LPITEMIDLIST*)&psei->lpIDList);
 298
 299         if (psei->lpIDList)
 300             psei->fMask |= SEE_MASK_IDLIST;
 301
 302         if (SUCCEEDED(hr)) {
 303             WideCharToMultiByte(CP_ACP, 0, wcmd, -1, (LPSTR)psei->lpFile, MAX_PATH/*sizeof(szApplicationName)*/, NULL, NULL);
 304             WideCharToMultiByte(CP_ACP, 0, wdir, -1, (LPSTR)psei->lpDirectory, MAX_PATH/*sizeof(szDir)*/, NULL, NULL);
 305             WideCharToMultiByte(CP_ACP, 0, wargs, -1, (LPSTR)psei->lpParameters, MAX_PATH/*sizeof(szParameters)*/, NULL, NULL);
 306         } else
 307             FIXME("We could not resolve the shell shortcut.\n");
 308     }
 309
 310     return hr;
 311 }
 312
 313 /*************************************************************************
 314  *      SHELL_ExecuteA [Internal]
 315  *
 316  */
 317 static UINT SHELL_ExecuteA(const char *lpCmd, void *env, BOOL shWait,
 318                             LPSHELLEXECUTEINFOA psei, LPSHELLEXECUTEINFOA psei_out)
 319 {
 320     STARTUPINFOA  startup;
 321     PROCESS_INFORMATION info;
 322     UINT retval = 31;
 323
 324     TRACE("Execute %s from directory %s\n", lpCmd, psei->lpDirectory);
 325
 326     ZeroMemory(&startup,sizeof(STARTUPINFOA));
 327     startup.cb = sizeof(STARTUPINFOA);
 328     startup.dwFlags = STARTF_USESHOWWINDOW;
 329     startup.wShowWindow = psei->nShow;
 330
 331     if (CreateProcessA(NULL, (LPSTR)lpCmd, NULL, NULL, FALSE, 0,
 332                        env, *psei->lpDirectory? psei->lpDirectory: NULL, &startup, &info))
 333     {
 334         /* Give 30 seconds to the app to come up, if desired. Probably only needed
 335            when starting app immediately before making a DDE connection. */
 336         if (shWait)
 337             if (WaitForInputIdle( info.hProcess, 30000 ) == -1)
 338                 WARN("WaitForInputIdle failed: Error %ld\n", GetLastError() );
 339         retval = 33;
 340
 341         if (psei->fMask & SEE_MASK_NOCLOSEPROCESS)
 342             psei_out->hProcess = info.hProcess;
 343         else
 344             CloseHandle(info.hProcess);
 345
 346         CloseHandle(info.hThread);
 347     }
 348     else if ((retval = GetLastError()) >= 32)
 349     {
 350         FIXME("Strange error set by CreateProcess: %d\n", retval);
 351         retval = ERROR_BAD_FORMAT;
 352     }
 353
 354     psei_out->hInstApp = (HINSTANCE)retval;
 355     return retval;
 356 }
 357
 358
 359 /***********************************************************************
 360  *           build_env
 361  *
 362  * Build the environment for the new process, adding the specified
 363  * path to the PATH variable. Returned pointer must be freed by caller.
 364  */
 365 static void *build_env( const char *path )
 366 {
 367     char *strings, *new_env;
 368     char *p, *p2;
 369     int total = strlen(path) + 1;
 370     BOOL got_path = FALSE;
 371
 372     if (!(strings = GetEnvironmentStringsA())) return NULL;
 373     p = strings;
 374     while (*p)
 375     {
 376         int len = strlen(p) + 1;
 377         if (!strncasecmp( p, "PATH=", 5 )) got_path = TRUE;
 378         total += len;
 379         p += len;
 380     }
 381     if (!got_path) total += 5;  /* we need to create PATH */
 382     total++;  /* terminating null */
 383
 384     if (!(new_env = HeapAlloc( GetProcessHeap(), 0, total )))
 385     {
 386         FreeEnvironmentStringsA( strings );
 387         return NULL;
 388     }
 389     p = strings;
 390     p2 = new_env;
 391     while (*p)
 392     {
 393         int len = strlen(p) + 1;
 394         memcpy( p2, p, len );
 395         if (!strncasecmp( p, "PATH=", 5 ))
 396         {
 397             p2[len - 1] = ';';
 398             strcpy( p2 + len, path );
 399             p2 += strlen(path) + 1;
 400         }
 401         p += len;
 402         p2 += len;
 403     }
 404     if (!got_path)
 405     {
 406         strcpy( p2, "PATH=" );
 407         strcat( p2, path );
 408         p2 += strlen(p2) + 1;
 409     }
 410     *p2 = 0;
 411     FreeEnvironmentStringsA( strings );
 412     return new_env;
 413 }
 414
 415
 416 /***********************************************************************
 417  *           SHELL_TryAppPath
 418  *
 419  * Helper function for SHELL_FindExecutable
 420  * @param lpResult - pointer to a buffer of size MAX_PATH
 421  * On entry: szName is a filename (probably without path separators).
 422  * On exit: if szName found in "App Path", place full path in lpResult, and return true
 423  */
 424 static BOOL SHELL_TryAppPath(LPCSTR szName, LPSTR lpResult, void** env)
 425 {
 426     HKEY hkApp = 0;
 427     char buffer[256];
 428     LONG len;
 429     LONG res;
 430     BOOL found = FALSE;
 431
 432     if (env) *env = NULL;
 433     sprintf(buffer, "Software\\Microsoft\\Windows\\CurrentVersion\\App Paths\\%s", szName);
 434     res = RegOpenKeyExA(HKEY_LOCAL_MACHINE, buffer, 0, KEY_READ, &hkApp);
 435     if (res) goto end;
 436
 437     len = MAX_PATH;
 438     res = RegQueryValueA(hkApp, NULL, lpResult, &len);
 439     if (res) goto end;
 440     found = TRUE;
 441
 442     if (env)
 443     {
 444         DWORD count = sizeof(buffer);
 445         if (!RegQueryValueExA(hkApp, "Path", NULL, NULL, buffer, &count) && buffer[0])
 446             *env = build_env( buffer );
 447     }
 448
 449 end:
 450     if (hkApp) RegCloseKey(hkApp);
 451     return found;
 452 }
 453
 454 static UINT _FindExecutableByOperation(LPCSTR lpPath, LPCSTR lpFile, LPCSTR lpOperation, LPSTR key, LPSTR filetype, LPSTR command)
 455 {
 456     LONG commandlen = 256;  /* This is the most DOS can handle :) */
 457
 458     /* Looking for ...buffer\shell\<verb>\command */
 459     strcat(filetype, "\\shell\\");
 460     strcat(filetype, lpOperation);
 461     strcat(filetype, "\\command");
 462
 463     if (RegQueryValueA(HKEY_CLASSES_ROOT, filetype, command, &commandlen) == ERROR_SUCCESS)
 464     {
 465         if (key) strcpy(key, filetype);
 466 #if 0
 467         LPSTR tmp;
 468         char param[256];
 469         LONG paramlen = 256;
 470
 471         /* FIXME: it seems all Windows version don't behave the same here.
 472          * the doc states that this ddeexec information can be found after
 473          * the exec names.
 474          * on Win98, it doesn't appear, but I think it does on Win2k
 475          */
 476         /* Get the parameters needed by the application
 477            from the associated ddeexec key */
 478         tmp = strstr(filetype, "command");
 479         tmp[0] = '\0';
 480         strcat(filetype, "ddeexec");
 481
 482         if (RegQueryValueA(HKEY_CLASSES_ROOT, filetype, param, &paramlen) == ERROR_SUCCESS)
 483         {
 484             strcat(command, " ");
 485             strcat(command, param);
 486             commandlen += paramlen;
 487         }
 488 #endif
 489
 490         command[commandlen] = '\0';
 491
 492         return 33; /* FIXME see SHELL_FindExecutable() */
 493     }
 494
 495     return 31;  /* default - 'No association was found' */
 496 }
 497
 498 /*************************************************************************
 499  *      SHELL_FindExecutable [Internal]
 500  *
 501  * Utility for code sharing between FindExecutable and ShellExecute
 502  * in:
 503  *      lpFile the name of a file
 504  *      lpOperation the operation on it (open)
 505  * out:
 506  *      lpResult a buffer, big enough :-(, to store the command to do the
 507  *              operation on the file
 508  *      key a buffer, big enough, to get the key name to do actually the
 509  *              command (it'll be used afterwards for more information
 510  *              on the operation)
 511  */
 512 UINT SHELL_FindExecutable(LPCSTR lpPath, LPCSTR lpFile, LPCSTR lpOperation,
 513                           LPSTR lpResult, LPSTR key, void **env, LPITEMIDLIST pidl, LPCSTR args)
 514 {
 515     char *extension = NULL; /* pointer to file extension */
 516     char tmpext[5];         /* local copy to munge as we please */
 517     char filetype[256];     /* registry name for this filetype */
 518     LONG filetypelen = 256; /* length of above */
 519     char command[256];      /* command from registry */
 520     char buffer[256];       /* Used to GetProfileString */
 521     UINT retval = 31;       /* default - 'No association was found' */
 522     char *tok;              /* token pointer */
 523     char xlpFile[256] = ""; /* result of SearchPath */
 524     DWORD attribs;          /* file attributes */
 525
 526     TRACE("%s\n", (lpFile != NULL) ? lpFile : "-");
 527
 528     lpResult[0] = '\0'; /* Start off with an empty return string */
 529     if (key) *key = '\0';
 530
 531     /* trap NULL parameters on entry */
 532     if ((lpFile == NULL) || (lpResult == NULL))
 533     {
 534         WARN("(lpFile=%s,lpResult=%s): NULL parameter\n", lpFile, lpResult);
 535         return 2; /* File not found. Close enough, I guess. */
 536     }
 537
 538     if (SHELL_TryAppPath( lpFile, lpResult, env ))
 539     {
 540         TRACE("found %s via App Paths\n", lpResult);
 541         return 33;
 542     }
 543
 544     if (SearchPathA(lpPath, lpFile, ".exe", sizeof(xlpFile), xlpFile, NULL))
 545     {
 546         TRACE("SearchPathA returned non-zero\n");
 547         lpFile = xlpFile;
 548         /* Hey, isn't this value ignored?  Why make this call?  Shouldn't we return here?  --dank*/
 549     }
 550
 551     attribs = GetFileAttributesA(lpFile);
 552
 553     if (attribs!=INVALID_FILE_ATTRIBUTES && (attribs&FILE_ATTRIBUTE_DIRECTORY))
 554     {
 555         strcpy(filetype, "Folder");
 556         filetypelen = 6;    /* strlen("Folder") */
 557     }
 558     else
 559     {
 560         /* First thing we need is the file's extension */
 561         extension = PathFindExtensionA(xlpFile); /* Assume last "." is the one; */
 562                                            /* File->Run in progman uses */
 563                                            /* .\FILE.EXE :( */
 564         TRACE("xlpFile=%s,extension=%s\n", xlpFile, extension);
 565
 566         if ((extension == NULL) || (extension == &xlpFile[strlen(xlpFile)]))
 567         {
 568             WARN("Returning 31 - No association\n");
 569             return 31; /* no association */
 570         }
 571
 572         /* Make local copy & lowercase it for reg & 'programs=' lookup */
 573         lstrcpynA(tmpext, extension, 5);
 574         CharLowerA(tmpext);
 575         TRACE("%s file\n", tmpext);
 576
 577         /* Three places to check: */
 578         /* 1. win.ini, [windows], programs (NB no leading '.') */
 579         /* 2. Registry, HKEY_CLASS_ROOT\<filetype>\shell\open\command */
 580         /* 3. win.ini, [extensions], extension (NB no leading '.' */
 581         /* All I know of the order is that registry is checked before */
 582         /* extensions; however, it'd make sense to check the programs */
 583         /* section first, so that's what happens here. */
 584
 585         /* See if it's a program - if GetProfileString fails, we skip this
 586          * section. Actually, if GetProfileString fails, we've probably
 587          * got a lot more to worry about than running a program... */
 588         if (GetProfileStringA("windows", "programs", "exe pif bat cmd com",
 589                               buffer, sizeof(buffer)) > 0)
 590         {
 591             UINT i;
 592
 593             for (i=0; i<strlen(buffer); i++) buffer[i] = tolower(buffer[i]);
 594
 595             tok = strtok(buffer, " \t"); /* ? */
 596             while (tok!= NULL)
 597             {
 598                 if (strcmp(tok, &tmpext[1]) == 0) /* have to skip the leading "." */
 599                 {
 600                     strcpy(lpResult, xlpFile);
 601                     /* Need to perhaps check that the file has a path
 602                      * attached */
 603                     TRACE("found %s\n", lpResult);
 604                     return 33;
 605
 606                     /* Greater than 32 to indicate success FIXME According to the
 607                      * docs, I should be returning a handle for the
 608                      * executable. Does this mean I'm supposed to open the
 609                      * executable file or something? More RTFM, I guess... */
 610                 }
 611                 tok = strtok(NULL, " \t");
 612             }
 613         }
 614
 615         /* Check registry */
 616         if (RegQueryValueA(HKEY_CLASSES_ROOT, tmpext, filetype, &filetypelen) != ERROR_SUCCESS)
 617             *filetype = '\0';
 618     }
 619
 620     if (*filetype)
 621     {
 622         if (lpOperation)
 623         {
 624             /* pass the operation string to _FindExecutableByOperation() */
 625             filetype[filetypelen] = '\0';
 626             retval = _FindExecutableByOperation(lpPath, lpFile, lpOperation, key, filetype, command);
 627         }
 628         else
 629         {
 630             char operation[MAX_PATH];
 631             HKEY hkey;
 632
 633             strcat(filetype, "\\shell");
 634
 635             /* enumerate the operation subkeys in the registry and search for one with an associated command */
 636             if (RegOpenKeyA(HKEY_CLASSES_ROOT, filetype, &hkey) == ERROR_SUCCESS)
 637             {
 638                 int idx = 0;
 639                 for(;; ++idx)
 640                 {
 641                     if (RegEnumKeyA(hkey, idx, operation, MAX_PATH) != ERROR_SUCCESS)
 642                         break;
 643
 644                     filetype[filetypelen] = '\0';
 645                     retval = _FindExecutableByOperation(lpPath, lpFile, operation, key, filetype, command);
 646
 647                     if (retval > 32)
 648                         break;
 649                 }
 650
 651                 RegCloseKey(hkey);
 652             }
 653         }
 654
 655         if (retval > 32)
 656         {
 657             argifyA(lpResult, sizeof(lpResult), command, xlpFile, pidl, args);
 658
 659             /* Remove double quotation marks and command line arguments */
 660             if (*lpResult == '"')
 661             {
 662                 char *p = lpResult;
 663                 while (*(p + 1) != '"')
 664                 {
 665                     *p = *(p + 1);
 666                     p++;
 667                 }
 668                 *p = '\0';
 669             }
 670         }
 671     }
 672     else if (extension) /* Check win.ini */
 673     {
 674         /* Toss the leading dot */
 675         extension++;
 676         if (GetProfileStringA("extensions", extension, "", command,
 677                               sizeof(command)) > 0)
 678         {
 679             if (strlen(command) != 0)
 680             {
 681                 strcpy(lpResult, command);
 682                 tok = strstr(lpResult, "^"); /* should be ^.extension? */
 683
 684                 if (tok != NULL)
 685                 {
 686                     tok[0] = '\0';
 687                     strcat(lpResult, xlpFile); /* what if no dir in xlpFile? */
 688                     tok = strstr(command, "^"); /* see above */
 689                     if ((tok != NULL) && (strlen(tok)>5))
 690                         strcat(lpResult, &tok[5]);
 691                 }
 692
 693                 retval = 33; /* FIXME - see above */
 694             }
 695         }
 696     }
 697
 698     TRACE("returning %s\n", lpResult);
 699     return retval;
 700 }
 701
 702 /******************************************************************
 703  *              dde_cb
 704  *
 705  * callback for the DDE connection. not really usefull
 706  */
 707 static HDDEDATA CALLBACK dde_cb(UINT uType, UINT uFmt, HCONV hConv,
 708                                 HSZ hsz1, HSZ hsz2,
 709                                 HDDEDATA hData, DWORD dwData1, DWORD dwData2)
 710 {
 711     return NULL;
 712 }
 713
 714 /******************************************************************
 715  *              dde_connect
 716  *
 717  * ShellExecute helper. Used to do an operation with a DDE connection
 718  *
 719  * Handles both the direct connection (try #1), and if it fails,
 720  * launching an application and trying (#2) to connect to it
 721  *
 722  */
 723 static unsigned dde_connect(char* key, char* start, char* ddeexec,
 724                             const char* lpFile, void *env,
 725                             LPCSTR szCommandline, LPITEMIDLIST pidl, SHELL_ExecuteA1632 execfunc,
 726                             LPSHELLEXECUTEINFOA psei, LPSHELLEXECUTEINFOA psei_out)
 727 {
 728     char*       endkey = key + strlen(key);
 729     char        app[256], topic[256], ifexec[256];
 730     char        res[1024];
 731     LONG        applen, topiclen, ifexeclen;
 732     char*       exec;
 733     DWORD       ddeInst = 0;
 734     DWORD       tid;
 735     HSZ         hszApp, hszTopic;
 736     HCONV       hConv;
 737     unsigned    ret = 31;
 738
 739     strcpy(endkey, "\\application");
 740     applen = sizeof(app);
 741     if (RegQueryValueA(HKEY_CLASSES_ROOT, key, app, &applen) != ERROR_SUCCESS)
 742     {
 743         FIXME("default app name NIY %s\n", key);
 744         return 2;
 745     }
 746
 747     strcpy(endkey, "\\topic");
 748     topiclen = sizeof(topic);
 749     if (RegQueryValueA(HKEY_CLASSES_ROOT, key, topic, &topiclen) != ERROR_SUCCESS)
 750     {
 751         strcpy(topic, "System");
 752     }
 753
 754     if (DdeInitializeA(&ddeInst, dde_cb, APPCMD_CLIENTONLY, 0L) != DMLERR_NO_ERROR)
 755     {
 756         return 2;
 757     }
 758
 759     hszApp = DdeCreateStringHandleA(ddeInst, app, CP_WINANSI);
 760     hszTopic = DdeCreateStringHandleA(ddeInst, topic, CP_WINANSI);
 761
 762     hConv = DdeConnect(ddeInst, hszApp, hszTopic, NULL);
 763     exec = ddeexec;
 764     if (!hConv)
 765     {
 766         TRACE("Launching '%s'\n", start);
 767         ret = execfunc(start, env, TRUE, psei, psei_out);
 768         if (ret < 32)
 769         {
 770             TRACE("Couldn't launch\n");
 771             goto error;
 772         }
 773         hConv = DdeConnect(ddeInst, hszApp, hszTopic, NULL);
 774         if (!hConv)
 775         {
 776             TRACE("Couldn't connect. ret=%d\n", ret);
 777             ret = 30; /* whatever */
 778             goto error;
 779         }
 780         strcpy(endkey, "\\ifexec");
 781         ifexeclen = sizeof(ifexec);
 782         if (RegQueryValueA(HKEY_CLASSES_ROOT, key, ifexec, &ifexeclen) == ERROR_SUCCESS)
 783         {
 784             exec = ifexec;
 785         }
 786     }
 787
 788     argifyA(res, sizeof(res), exec, lpFile, pidl, szCommandline);
 789     TRACE("%s %s => %s\n", exec, lpFile, res);
 790
 791     ret = (DdeClientTransaction((LPBYTE)res, strlen(res)+1, hConv, 0L, 0,
 792                                 XTYP_EXECUTE, 10000, &tid) != DMLERR_NO_ERROR) ? 31 : 33;
 793     DdeDisconnect(hConv);
 794  error:
 795     DdeUninitialize(ddeInst);
 796     return ret;
 797 }
 798
 799 /*************************************************************************
 800  *      execute_from_key [Internal]
 801  */
 802 static UINT execute_from_key(LPSTR key, LPCSTR lpFile, void *env, LPCSTR szCommandline,
 803                              SHELL_ExecuteA1632 execfunc,
 804                              LPSHELLEXECUTEINFOA psei, LPSHELLEXECUTEINFOA psei_out)
 805 {
 806     char cmd[1024] = "";
 807     LONG cmdlen = sizeof(cmd);
 808     UINT retval = 31;
 809
 810     /* Get the application for the registry */
 811     if (RegQueryValueA(HKEY_CLASSES_ROOT, key, cmd, &cmdlen) == ERROR_SUCCESS)
 812     {
 813         LPSTR tmp;
 814         char param[256] = "";
 815         LONG paramlen = 256;
 816
 817         /* Get the parameters needed by the application
 818            from the associated ddeexec key */
 819         tmp = strstr(key, "command");
 820         assert(tmp);
 821         strcpy(tmp, "ddeexec");
 822
 823         if (RegQueryValueA(HKEY_CLASSES_ROOT, key, param, &paramlen) == ERROR_SUCCESS)
 824         {
 825             TRACE("Got ddeexec %s => %s\n", key, param);
 826             retval = dde_connect(key, cmd, param, lpFile, env, szCommandline, psei->lpIDList, execfunc, psei, psei_out);
 827         }
 828         else
 829         {
 830             /* Is there a replace() function anywhere? */
 831             cmd[cmdlen] = '\0';
 832             argifyA(param, sizeof(param), cmd, lpFile, psei->lpIDList, szCommandline);
 833
 834             retval = execfunc(param, env, FALSE, psei, psei_out);
 835         }
 836     }
 837     else TRACE("ooch\n");
 838
 839     return retval;
 840 }
 841
 842 /*************************************************************************
 843  * FindExecutableA                      [SHELL32.@]
 844  */
 845 HINSTANCE WINAPI FindExecutableA(LPCSTR lpFile, LPCSTR lpDirectory, LPSTR lpResult)
 846 {
 847     UINT retval = 31;    /* default - 'No association was found' */
 848     char old_dir[1024];
 849
 850     TRACE("File %s, Dir %s\n",
 851           (lpFile != NULL ? lpFile : "-"), (lpDirectory != NULL ? lpDirectory : "-"));
 852
 853     lpResult[0] = '\0'; /* Start off with an empty return string */
 854
 855     /* trap NULL parameters on entry */
 856     if ((lpFile == NULL) || (lpResult == NULL))
 857     {
 858         /* FIXME - should throw a warning, perhaps! */
 859         return (HINSTANCE)2; /* File not found. Close enough, I guess. */
 860     }
 861
 862     if (lpDirectory)
 863     {
 864         GetCurrentDirectoryA(sizeof(old_dir), old_dir);
 865         SetCurrentDirectoryA(lpDirectory);
 866     }
 867
 868     retval = SHELL_FindExecutable(lpDirectory, lpFile, "open", lpResult, NULL, NULL, NULL, NULL);
 869
 870     TRACE("returning %s\n", lpResult);
 871     if (lpDirectory)
 872         SetCurrentDirectoryA(old_dir);
 873     return (HINSTANCE)retval;
 874 }
 875
 876 /*************************************************************************
 877  * FindExecutableW                      [SHELL32.@]
 878  */
 879 HINSTANCE WINAPI FindExecutableW(LPCWSTR lpFile, LPCWSTR lpDirectory, LPWSTR lpResult)
 880 {
 881     FIXME("(%p,%p,%p): stub\n", lpFile, lpDirectory, lpResult);
 882     return (HINSTANCE)31;    /* default - 'No association was found' */
 883 }
 884
 885 /*************************************************************************
 886  *      ShellExecuteExA32 [Internal]
 887  *
 888  *  FIXME:  use PathProcessCommandA() to processes the command line string
 889  *          use PathResolveA() to search for the fully qualified executable path
 890  */
 891 BOOL WINAPI ShellExecuteExA32(LPSHELLEXECUTEINFOA psei, SHELL_ExecuteA1632 execfunc)
 892 {
 893     CHAR szApplicationName[MAX_PATH+2], szParameters[MAX_PATH], fileName[MAX_PATH], szDir[MAX_PATH];
 894     SHELLEXECUTEINFOA sei_tmp;  /* modifyable copy of SHELLEXECUTEINFO struct */
 895     void *env;
 896     char szProtocol[256];
 897     LPCSTR lpFile;
 898     UINT retval = 31;
 899     char buffer[1024];
 900     const char* ext;
 901
 902     memcpy(&sei_tmp, psei, sizeof(sei_tmp));
 903
 904     TRACE("mask=0x%08lx hwnd=%p verb=%s file=%s parm=%s dir=%s show=0x%08x class=%s\n",
 905             sei_tmp.fMask, sei_tmp.hwnd, debugstr_a(sei_tmp.lpVerb),
 906             debugstr_a(sei_tmp.lpFile), debugstr_a(sei_tmp.lpParameters),
 907             debugstr_a(sei_tmp.lpDirectory), sei_tmp.nShow,
 908             (sei_tmp.fMask & SEE_MASK_CLASSNAME) ? debugstr_a(sei_tmp.lpClass) : "not used");
 909
 910     psei->hProcess = NULL;
 911
 912     if (sei_tmp.lpFile)
 913         strcpy(szApplicationName, sei_tmp.lpFile);
 914     else
 915         *szApplicationName = '\0';
 916
 917     if (sei_tmp.lpParameters)
 918         strcpy(szParameters, sei_tmp.lpParameters);
 919     else
 920         *szParameters = '\0';
 921
 922     if (sei_tmp.lpDirectory)
 923         strcpy(szDir, sei_tmp.lpDirectory);
 924     else
 925         *szDir = '\0';
 926
 927     sei_tmp.lpFile = szApplicationName;
 928     sei_tmp.lpParameters = szParameters;
 929     sei_tmp.lpDirectory = szDir;
 930
 931     if (sei_tmp.fMask & (SEE_MASK_ICON | SEE_MASK_HOTKEY |
 932         SEE_MASK_CONNECTNETDRV | SEE_MASK_FLAG_DDEWAIT |
 933         SEE_MASK_DOENVSUBST | SEE_MASK_FLAG_NO_UI | SEE_MASK_UNICODE |
 934         SEE_MASK_NO_CONSOLE | SEE_MASK_ASYNCOK | SEE_MASK_HMONITOR ))
 935     {
 936         FIXME("flags ignored: 0x%08lx\n", sei_tmp.fMask);
 937     }
 938
 939     /* process the IDList */
 940     if (sei_tmp.fMask & SEE_MASK_INVOKEIDLIST) /* 0x0c: includes SEE_MASK_IDLIST */
 941     {
 942         IShellExecuteHookA* pSEH;
 943
 944         HRESULT hr = SHBindToParent(sei_tmp.lpIDList, &IID_IShellExecuteHookA, (LPVOID*)&pSEH, NULL);
 945
 946         if (SUCCEEDED(hr))
 947         {
 948             hr = IShellExecuteHookA_Execute(pSEH, psei);
 949
 950             IShellExecuteHookA_Release(pSEH);
 951
 952             if (hr == S_OK)
 953                 return TRUE;
 954         }
 955
 956         /* try to translate PIDL directly into the corresponding file system path */
 957         if (SUCCEEDED(SHELL_GetPathFromIDListA(sei_tmp.lpIDList, szApplicationName/*sei_tmp.lpFile*/, sizeof(szApplicationName))))
 958         {
 959             sei_tmp.lpIDList = NULL;
 960             sei_tmp.fMask &= ~SEE_MASK_INVOKEIDLIST;
 961         }
 962
 963         TRACE("-- idlist=%p (%s)\n", sei_tmp.lpIDList, sei_tmp.lpFile);
 964     }
 965
 966     if (sei_tmp.fMask & (SEE_MASK_CLASSNAME | SEE_MASK_CLASSKEY))
 967     {
 968         /* launch a document by fileclass like 'WordPad.Document.1' */
 969         /* the Commandline contains 'c:\Path\wordpad.exe "%1"' */
 970         /* FIXME: szParameters should not be of a fixed size. Plus MAX_PATH is way too short! */
 971         if (sei_tmp.fMask & SEE_MASK_CLASSKEY)
 972             HCR_GetExecuteCommandExA(sei_tmp.hkeyClass,
 973                                     sei_tmp.fMask&SEE_MASK_CLASSNAME? sei_tmp.lpClass: NULL,
 974                                     sei_tmp.lpVerb?sei_tmp.lpVerb:"open",
 975                                     szParameters/*sei_tmp.lpParameters*/, sizeof(szParameters));
 976         else if (sei_tmp.fMask & SEE_MASK_CLASSNAME)
 977             HCR_GetExecuteCommandA(sei_tmp.lpClass, sei_tmp.lpVerb?sei_tmp.lpVerb:"open",
 978                                     szParameters/*sei_tmp.lpParameters*/, sizeof(szParameters));
 979
 980         /* FIXME: get the extension of lpFile, check if it fits to the lpClass */
 981         TRACE("SEE_MASK_CLASSNAME->'%s', doc->'%s'\n", sei_tmp.lpParameters, sei_tmp.lpFile);
 982
 983         buffer[0] = '\0';
 984
 985         if (!argifyA(buffer, sizeof(buffer), sei_tmp.lpParameters, sei_tmp.lpFile, sei_tmp.lpIDList, NULL) && sei_tmp.lpFile[0])
 986         {
 987             strcat(buffer, " ");
 988             strcat(buffer, sei_tmp.lpFile);
 989         }
 990
 991         retval = execfunc(buffer, NULL, FALSE, &sei_tmp, psei);
 992         if (retval > 32)
 993             return TRUE;
 994         else
 995             return FALSE;
 996     }
 997
 998     /* Else, try to execute the filename */
 999     TRACE("execute:'%s','%s'\n", sei_tmp.lpFile, sei_tmp.lpParameters);
1000
1001
1002     /* resolve shell shortcuts */
1003     ext = PathFindExtensionA(sei_tmp.lpFile);
1004
1005     if (ext && !strcasecmp(ext, ".lnk"))        /* or check for: shell_attribs & SFGAO_LINK */
1006     {
1007         if (SUCCEEDED(SHELL_ResolveShortCutA(&sei_tmp)))
1008         {
1009             /* repeat IDList processing if needed */
1010             if (sei_tmp.fMask & SEE_MASK_IDLIST)
1011             {
1012                 IShellExecuteHookA* pSEH;
1013
1014                 HRESULT hr = SHBindToParent(sei_tmp.lpIDList, &IID_IShellExecuteHookA, (LPVOID*)&pSEH, NULL);
1015
1016                 if (SUCCEEDED(hr))
1017                 {
1018                     hr = IShellExecuteHookA_Execute(pSEH, psei);
1019
1020                     IShellExecuteHookA_Release(pSEH);
1021
1022                     if (hr == S_OK)
1023                         return TRUE;
1024                 }
1025
1026                 TRACE("-- idlist=%p (%s)\n", sei_tmp.lpIDList, sei_tmp.lpFile);
1027             }
1028         }
1029     }
1030
1031
1032     /* Has the IDList not yet been translated? */
1033     if (sei_tmp.fMask & SEE_MASK_IDLIST)
1034     {
1035         /* last chance to translate IDList: now also allow CLSID paths */
1036         if (SUCCEEDED(SHELL_GetPathFromIDListForExecuteA(sei_tmp.lpIDList, buffer, sizeof(buffer)))) {
1037             if (buffer[0]==':' && buffer[1]==':') {
1038                 /* open shell folder for the specified class GUID */
1039                 strcpy(szParameters, buffer);
1040                 strcpy(szApplicationName, "explorer.exe");
1041
1042                 sei_tmp.fMask &= ~SEE_MASK_INVOKEIDLIST;
1043             } else if (HCR_GetExecuteCommandA("Folder", sei_tmp.lpVerb?sei_tmp.lpVerb:"open", buffer, sizeof(buffer))) {
1044                 argifyA(szApplicationName, sizeof(szApplicationName), buffer, NULL, sei_tmp.lpIDList, NULL);
1045
1046                 sei_tmp.fMask &= ~SEE_MASK_INVOKEIDLIST;
1047             }
1048         }
1049     }
1050
1051
1052     /* expand environment strings */
1053
1054     if (ExpandEnvironmentStringsA(sei_tmp.lpFile, buffer, MAX_PATH))
1055         lstrcpyA(szApplicationName/*sei_tmp.lpFile*/, buffer);
1056
1057     if (*sei_tmp.lpParameters)
1058         if (ExpandEnvironmentStringsA(sei_tmp.lpParameters, buffer, MAX_PATH))
1059             lstrcpyA(szParameters/*sei_tmp.lpParameters*/, buffer);
1060
1061     if (*sei_tmp.lpDirectory)
1062         if (ExpandEnvironmentStringsA(sei_tmp.lpDirectory, buffer, MAX_PATH))
1063             lstrcpyA(szDir/*sei_tmp.lpDirectory*/, buffer);
1064
1065
1066     /* separate out command line arguments from executable file name */
1067     if (!*sei_tmp.lpParameters) {
1068         /* If the executable path is quoted, handle the rest of the command line as parameters. */
1069         if (sei_tmp.lpFile[0] == '"') {
1070             LPSTR src = szApplicationName/*sei_tmp.lpFile*/ + 1;
1071             LPSTR dst = fileName;
1072             LPSTR end;
1073
1074             /* copy the unquoted executabe path to 'fileName' */
1075             while(*src && *src!='"')
1076                 *dst++ = *src++;
1077
1078             *dst = '\0';
1079
1080             if (*src == '"') {
1081                 end = ++src;
1082
1083                 while(isspace(*src))
1084                     ++src;
1085             } else
1086                 end = src;
1087
1088             /* copy the parameter string to 'szParameters' */
1089             strcpy(szParameters, src);
1090
1091             /* terminate previous command string after the quote character */
1092             *end = '\0';
1093         }
1094         else
1095         {
1096             /* If the executable name is not quoted, we have to use this search loop here,
1097                that in CreateProcess() is not sufficient because it does not handle shell links. */
1098             char buffer[MAX_PATH], xlpFile[MAX_PATH];
1099             LPSTR space, s;
1100
1101             LPSTR beg = szApplicationName/*sei_tmp.lpFile*/;
1102             for(s=beg; (space=strchr(s, ' ')); s=space+1) {
1103                 int idx = space-sei_tmp.lpFile;
1104                 strncpy(buffer, sei_tmp.lpFile, idx);
1105                 buffer[idx] = '\0';
1106
1107                 if (SearchPathA(*sei_tmp.lpDirectory? sei_tmp.lpDirectory: NULL, buffer, ".exe", sizeof(xlpFile), xlpFile, NULL))
1108                 {
1109                     /* separate out command from parameter string */
1110                     LPCSTR p = space + 1;
1111
1112                     while(isspace(*p))
1113                         ++p;
1114
1115                     strcpy(szParameters, p);
1116                     *space = '\0';
1117
1118                     break;
1119                 }
1120             }
1121
1122             strcpy(fileName, sei_tmp.lpFile);
1123         }
1124     } else
1125         strcpy(fileName, sei_tmp.lpFile);
1126
1127     lpFile = fileName;
1128
1129     if (sei_tmp.lpParameters[0]) {
1130         strcat(szApplicationName/*sei_tmp.lpFile*/, " ");
1131         strcat(szApplicationName/*sei_tmp.lpFile*/, sei_tmp.lpParameters);
1132     }
1133
1134     retval = execfunc(sei_tmp.lpFile, NULL, FALSE, &sei_tmp, psei);
1135     if (retval > 32)
1136     {
1137         /* Now, that we have successfully launched a process, we can free the PIDL.
1138         It may have been used before for %I command line options. */
1139         if (sei_tmp.lpIDList!=psei->lpIDList && sei_tmp.lpIDList)
1140             SHFree(sei_tmp.lpIDList);
1141
1142         TRACE("execfunc: retval=%d psei->hInstApp=%p\n", retval, psei->hInstApp);
1143         return TRUE;
1144     }
1145
1146     /* Else, try to find the executable */
1147     buffer[0] = '\0';
1148     retval = SHELL_FindExecutable(*sei_tmp.lpDirectory? sei_tmp.lpDirectory: NULL, lpFile, sei_tmp.lpVerb, buffer, szProtocol, &env, sei_tmp.lpIDList, sei_tmp.lpParameters);
1149
1150     if (retval > 32)  /* Found */
1151     {
1152         CHAR szQuotedCmd[MAX_PATH+2];
1153         /* Must quote to handle case where 'buffer' contains spaces,
1154          * else security hole if malicious user creates executable file "C:\\Program"
1155          *
1156          * FIXME: If we don't have set explicitly command line arguments, we must first
1157          * split executable path from optional command line arguments. Otherwise we would quote
1158          * the complete string with executable path _and_ arguments, which is not what we want.
1159          */
1160         if (sei_tmp.lpParameters[0])
1161             sprintf(szQuotedCmd, "\"%s\" %s", buffer, sei_tmp.lpParameters);
1162         else
1163             sprintf(szQuotedCmd, "\"%s\"", buffer);
1164
1165         TRACE("%s/%s => %s/%s\n", sei_tmp.lpFile, sei_tmp.lpVerb?sei_tmp.lpVerb:"NULL", szQuotedCmd, szProtocol);
1166
1167         if (*szProtocol)
1168             retval = execute_from_key(szProtocol, lpFile, env, sei_tmp.lpParameters, execfunc, &sei_tmp, psei);
1169         else
1170             retval = execfunc(szQuotedCmd, env, FALSE, &sei_tmp, psei);
1171
1172         if (env) HeapFree( GetProcessHeap(), 0, env );
1173     }
1174     else if (PathIsURLA((LPSTR)lpFile))    /* File not found, check for URL */
1175     {
1176         LPSTR lpstrRes;
1177         INT iSize;
1178
1179         lpstrRes = strchr(lpFile, ':');
1180         if (lpstrRes)
1181             iSize = lpstrRes - lpFile;
1182         else
1183             iSize = strlen(lpFile);
1184
1185         TRACE("Got URL: %s\n", lpFile);
1186         /* Looking for ...protocol\shell\<verb>\command */
1187         strncpy(szProtocol, lpFile, iSize);
1188         szProtocol[iSize] = '\0';
1189         strcat(szProtocol, "\\shell\\");
1190         strcat(szProtocol, sei_tmp.lpVerb? sei_tmp.lpVerb: "open");    /*FIXME: enumerate registry subkeys - compare with the loop into SHELL_FindExecutable() */
1191         strcat(szProtocol, "\\command");
1192
1193         /* Remove File Protocol from lpFile */
1194         /* In the case file://path/file     */
1195         if (!strncasecmp(lpFile, "file", iSize))
1196         {
1197             lpFile += iSize;
1198             while (*lpFile == ':') lpFile++;
1199         }
1200
1201         retval = execute_from_key(szProtocol, lpFile, NULL, sei_tmp.lpParameters, execfunc, &sei_tmp, psei);
1202     }
1203     /* Check if file specified is in the form www.??????.*** */
1204     else if (!strncasecmp(lpFile, "www", 3))
1205     {
1206         /* if so, append lpFile http:// and call ShellExecute */
1207         char lpstrTmpFile[256] = "http://" ;
1208         strcat(lpstrTmpFile, lpFile);
1209         retval = (UINT)ShellExecuteA(sei_tmp.hwnd, sei_tmp.lpVerb, lpstrTmpFile, NULL, NULL, 0);
1210     }
1211
1212     /* Now we can free the PIDL. It may have been used before for %I command line options. */
1213     if (sei_tmp.lpIDList!=psei->lpIDList && sei_tmp.lpIDList)
1214         SHFree(sei_tmp.lpIDList);
1215
1216     TRACE("ShellExecuteExA32 retval=%d\n", retval);
1217
1218     if (retval <= 32)
1219     {
1220         psei->hInstApp = (HINSTANCE)retval;
1221         return FALSE;
1222     }
1223
1224     psei->hInstApp = (HINSTANCE)33;
1225     return TRUE;
1226 }
1227
1228 /*************************************************************************
1229  * ShellExecuteA                        [SHELL32.290]
1230  */
1231 HINSTANCE WINAPI ShellExecuteA(HWND hWnd, LPCSTR lpOperation, LPCSTR lpFile,
1232                                LPCSTR lpParameters, LPCSTR lpDirectory, INT iShowCmd)
1233 {
1234     SHELLEXECUTEINFOA sei;
1235     HANDLE hProcess = 0;
1236
1237     TRACE("\n");
1238     sei.cbSize = sizeof(sei);
1239     sei.fMask = 0;
1240     sei.hwnd = hWnd;
1241     sei.lpVerb = lpOperation;
1242     sei.lpFile = lpFile;
1243     sei.lpParameters = lpParameters;
1244     sei.lpDirectory = lpDirectory;
1245     sei.nShow = iShowCmd;
1246     sei.lpIDList = 0;
1247     sei.lpClass = 0;
1248     sei.hkeyClass = 0;
1249     sei.dwHotKey = 0;
1250     sei.hProcess = hProcess;
1251
1252     ShellExecuteExA32(&sei, SHELL_ExecuteA);
1253     return sei.hInstApp;
1254 }
1255
1256 /*************************************************************************
1257  * ShellExecuteEx                               [SHELL32.291]
1258  *
1259  */
1260 BOOL WINAPI ShellExecuteExAW (LPVOID sei)
1261 {
1262     if (SHELL_OsIsUnicode())
1263         return ShellExecuteExW(sei);
1264     return ShellExecuteExA32(sei, SHELL_ExecuteA);
1265 }
1266
1267 /*************************************************************************
1268  * ShellExecuteExA                              [SHELL32.292]
1269  *
1270  */
1271 BOOL WINAPI ShellExecuteExA (LPSHELLEXECUTEINFOA sei)
1272 {
1273     BOOL ret = ShellExecuteExA32(sei, SHELL_ExecuteA);
1274
1275     TRACE("ShellExecuteExA(): ret=%d\n", ret);
1276
1277     return ret;
1278 }
1279
1280 /*************************************************************************
1281  * ShellExecuteExW                              [SHELL32.293]
1282  *
1283  */
1284 BOOL WINAPI ShellExecuteExW (LPSHELLEXECUTEINFOW sei)
1285 {
1286     SHELLEXECUTEINFOA seiA;
1287     BOOL ret;
1288
1289     TRACE("%p\n", sei);
1290
1291     memcpy(&seiA, sei, sizeof(SHELLEXECUTEINFOA));
1292
1293     if (sei->lpVerb)
1294         seiA.lpVerb = HEAP_strdupWtoA( GetProcessHeap(), 0, sei->lpVerb);
1295
1296     if (sei->lpFile)
1297         seiA.lpFile = HEAP_strdupWtoA( GetProcessHeap(), 0, sei->lpFile);
1298
1299     if (sei->lpParameters)
1300         seiA.lpParameters = HEAP_strdupWtoA( GetProcessHeap(), 0, sei->lpParameters);
1301
1302     if (sei->lpDirectory)
1303         seiA.lpDirectory = HEAP_strdupWtoA( GetProcessHeap(), 0, sei->lpDirectory);
1304
1305     if ((sei->fMask & SEE_MASK_CLASSNAME) && sei->lpClass)
1306         seiA.lpClass = HEAP_strdupWtoA( GetProcessHeap(), 0, sei->lpClass);
1307     else
1308         seiA.lpClass = NULL;
1309
1310     ret = ShellExecuteExA(&seiA);
1311
1312     if (seiA.lpVerb)    HeapFree( GetProcessHeap(), 0, (LPSTR) seiA.lpVerb );
1313     if (seiA.lpFile)    HeapFree( GetProcessHeap(), 0, (LPSTR) seiA.lpFile );
1314     if (seiA.lpParameters)      HeapFree( GetProcessHeap(), 0, (LPSTR) seiA.lpParameters );
1315     if (seiA.lpDirectory)       HeapFree( GetProcessHeap(), 0, (LPSTR) seiA.lpDirectory );
1316     if (seiA.lpClass)   HeapFree( GetProcessHeap(), 0, (LPSTR) seiA.lpClass );
1317
1318     sei->hInstApp = seiA.hInstApp;
1319
1320     TRACE("ShellExecuteExW(): ret=%d\n", ret);
1321
1322     return ret;
1323 }
1324
1325 /*************************************************************************
1326  * ShellExecuteW                        [SHELL32.294]
1327  * from shellapi.h
1328  * WINSHELLAPI HINSTANCE APIENTRY ShellExecuteW(HWND hwnd, LPCWSTR lpOperation,
1329  * LPCWSTR lpFile, LPCWSTR lpParameters, LPCWSTR lpDirectory, INT nShowCmd);
1330  */
1331 HINSTANCE WINAPI ShellExecuteW(HWND hwnd, LPCWSTR lpOperation, LPCWSTR lpFile,
1332                                LPCWSTR lpParameters, LPCWSTR lpDirectory, INT nShowCmd)
1333 {
1334     SHELLEXECUTEINFOW sei;
1335     HANDLE hProcess = 0;
1336     int ret;
1337
1338     TRACE("\n");
1339     sei.cbSize = sizeof(sei);
1340     sei.fMask = 0;
1341     sei.hwnd = hwnd;
1342     sei.lpVerb = lpOperation;
1343     sei.lpFile = lpFile;
1344     sei.lpParameters = lpParameters;
1345     sei.lpDirectory = lpDirectory;
1346     sei.nShow = nShowCmd;
1347     sei.lpIDList = 0;
1348     sei.lpClass = 0;
1349     sei.hkeyClass = 0;
1350     sei.dwHotKey = 0;
1351     sei.hProcess = hProcess;
1352
1353     ret = ShellExecuteExW(&sei);
1354
1355     TRACE("ShellExecuteW(): ret=%d module=%p", ret, sei.hInstApp);
1356     return sei.hInstApp;
1357 }