dlls/shell32/shlexec.c

   1 /*
   2  *                              Shell Library Functions
   3  *
   4  * Copyright 1998 Marcus Meissner
   5  * Copyright 2002 Eric Pouech
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #include "config.h"
  23 #include "wine/port.h"
  24
  25 #include <stdlib.h>
  26 #include <string.h>
  27 #include <stdarg.h>
  28 #include <stdio.h>
  29 #ifdef HAVE_UNISTD_H
  30 # include <unistd.h>
  31 #endif
  32 #include <ctype.h>
  33 #include <assert.h>
  34
  35 #define COBJMACROS
  36
  37 #include "windef.h"
  38 #include "winbase.h"
  39 #include "winerror.h"
  40 #include "winreg.h"
  41 #include "winuser.h"
  42 #include "shlwapi.h"
  43 #include "ddeml.h"
  44
  45 #include "wine/winbase16.h"
  46 #include "shell32_main.h"
  47 #include "pidl.h"
  48
  49 #include "wine/debug.h"
  50
  51 WINE_DEFAULT_DEBUG_CHANNEL(exec);
  52
  53 static const WCHAR wszOpen[] = {'o','p','e','n',0};
  54 static const WCHAR wszExe[] = {'.','e','x','e',0};
  55 static const WCHAR wszILPtr[] = {':','%','p',0};
  56 static const WCHAR wszShell[] = {'\\','s','h','e','l','l','\\',0};
  57 static const WCHAR wszFolder[] = {'F','o','l','d','e','r',0};
  58 static const WCHAR wszEmpty[] = {0};
  59
  60 #define SEE_MASK_CLASSALL (SEE_MASK_CLASSNAME | SEE_MASK_CLASSKEY)
  61
  62
  63 /***********************************************************************
  64  *      SHELL_ArgifyW [Internal]
  65  *
  66  * this function is supposed to expand the escape sequences found in the registry
  67  * some diving reported that the following were used:
  68  * + %1, %2...  seem to report to parameter of index N in ShellExecute pmts
  69  *      %1 file
  70  *      %2 printer
  71  *      %3 driver
  72  *      %4 port
  73  * %I address of a global item ID (explorer switch /idlist)
  74  * %L seems to be %1 as long filename followed by the 8+3 variation
  75  * %S ???
  76  * %* all following parameters (see batfile)
  77  *
  78  * FIXME: use 'len'
  79  * FIXME: Careful of going over string boundaries. No checking is done to 'res'...
  80  */
  81 static BOOL SHELL_ArgifyW(WCHAR* out, int len, const WCHAR* fmt, const WCHAR* lpFile, LPITEMIDLIST pidl, LPCWSTR args)
  82 {
  83     WCHAR   xlpFile[1024];
  84     BOOL    done = FALSE;
  85     BOOL    found_p1 = FALSE;
  86     PWSTR   res = out;
  87     PCWSTR  cmd;
  88     LPVOID  pv;
  89
  90     TRACE("%p, %d, %s, %s, %p, %p\n", out, len, debugstr_w(fmt),
  91           debugstr_w(lpFile), pidl, args);
  92
  93     while (*fmt)
  94     {
  95         if (*fmt == '%')
  96         {
  97             switch (*++fmt)
  98             {
  99             case '\0':
 100             case '%':
 101                 *res++ = '%';
 102                 break;
 103
 104             case '2':
 105             case '3':
 106             case '4':
 107             case '5':
 108             case '6':
 109             case '7':
 110             case '8':
 111             case '9':
 112             case '0':
 113             case '*':
 114                 if (args)
 115                 {
 116                     if (*fmt == '*')
 117                     {
 118                         *res++ = '"';
 119                         while(*args)
 120                             *res++ = *args++;
 121                         *res++ = '"';
 122                     }
 123                     else
 124                     {
 125                         while(*args && !isspace(*args))
 126                             *res++ = *args++;
 127
 128                         while(isspace(*args))
 129                             ++args;
 130                     }
 131                     break;
 132                 }
 133                 /* else fall through */
 134             case '1':
 135                 if (!done || (*fmt == '1'))
 136                 {
 137                     /*FIXME Is the call to SearchPathW() really needed? We already have separated out the parameter string in args. */
 138                     if (SearchPathW(NULL, lpFile, wszExe, sizeof(xlpFile)/sizeof(WCHAR), xlpFile, NULL))
 139                         cmd = xlpFile;
 140                     else
 141                         cmd = lpFile;
 142
 143                     /* Add double quotation marks unless we already have them
 144                        (e.g.: "file://%1" %* for exefile) or unless the arg is already
 145                        enclosed in double quotation marks */
 146                     if ((res == out || *(fmt + 1) != '"') && *cmd != '"')
 147                     {
 148                         *res++ = '"';
 149                         strcpyW(res, cmd);
 150                         res += strlenW(cmd);
 151                         *res++ = '"';
 152                     }
 153                     else
 154                     {
 155                         strcpyW(res, cmd);
 156                         res += strlenW(cmd);
 157                     }
 158                 }
 159                 found_p1 = TRUE;
 160                 break;
 161
 162             /*
 163              * IE uses this a lot for activating things such as windows media
 164              * player. This is not verified to be fully correct but it appears
 165              * to work just fine.
 166              */
 167             case 'l':
 168             case 'L':
 169                 if (lpFile) {
 170                     strcpyW(res, lpFile);
 171                     res += strlenW(lpFile);
 172                 }
 173                 found_p1 = TRUE;
 174                 break;
 175
 176             case 'i':
 177             case 'I':
 178                 if (pidl) {
 179                     HGLOBAL hmem = SHAllocShared(pidl, ILGetSize(pidl), 0);
 180                     pv = SHLockShared(hmem, 0);
 181                     res += sprintfW(res, wszILPtr, pv);
 182                     SHUnlockShared(pv);
 183                 }
 184                 found_p1 = TRUE;
 185                 break;
 186
 187             default:
 188                 /*
 189                  * Check if this is an env-variable here...
 190                  */
 191
 192                 /* Make sure that we have at least one more %.*/
 193                 if (strchrW(fmt, '%'))
 194                 {
 195                     WCHAR   tmpBuffer[1024];
 196                     PWSTR   tmpB = tmpBuffer;
 197                     WCHAR   tmpEnvBuff[MAX_PATH];
 198                     DWORD   envRet;
 199
 200                     while (*fmt != '%')
 201                         *tmpB++ = *fmt++;
 202                     *tmpB++ = 0;
 203
 204                     TRACE("Checking %s to be an env-var\n", debugstr_w(tmpBuffer));
 205
 206                     envRet = GetEnvironmentVariableW(tmpBuffer, tmpEnvBuff, MAX_PATH);
 207                     if (envRet == 0 || envRet > MAX_PATH)
 208                         strcpyW( res, tmpBuffer );
 209                     else
 210                         strcpyW( res, tmpEnvBuff );
 211                     res += strlenW(res);
 212                 }
 213                 done = TRUE;
 214                 break;
 215             }
 216             /* Don't skip past terminator (catch a single '%' at the end) */
 217             if (*fmt != '\0')
 218             {
 219                 fmt++;
 220             }
 221         }
 222         else
 223             *res++ = *fmt++;
 224     }
 225
 226     *res = '\0';
 227
 228     return found_p1;
 229 }
 230
 231 HRESULT SHELL_GetPathFromIDListForExecuteA(LPCITEMIDLIST pidl, LPSTR pszPath, UINT uOutSize)
 232 {
 233     STRRET strret;
 234     IShellFolder* desktop;
 235
 236     HRESULT hr = SHGetDesktopFolder(&desktop);
 237
 238     if (SUCCEEDED(hr)) {
 239         hr = IShellFolder_GetDisplayNameOf(desktop, pidl, SHGDN_FORPARSING, &strret);
 240
 241         if (SUCCEEDED(hr))
 242             StrRetToStrNA(pszPath, uOutSize, &strret, pidl);
 243
 244         IShellFolder_Release(desktop);
 245     }
 246
 247     return hr;
 248 }
 249
 250 HRESULT SHELL_GetPathFromIDListForExecuteW(LPCITEMIDLIST pidl, LPWSTR pszPath, UINT uOutSize)
 251 {
 252     STRRET strret;
 253     IShellFolder* desktop;
 254
 255     HRESULT hr = SHGetDesktopFolder(&desktop);
 256
 257     if (SUCCEEDED(hr)) {
 258         hr = IShellFolder_GetDisplayNameOf(desktop, pidl, SHGDN_FORPARSING, &strret);
 259
 260         if (SUCCEEDED(hr))
 261             StrRetToStrNW(pszPath, uOutSize, &strret, pidl);
 262
 263         IShellFolder_Release(desktop);
 264     }
 265
 266     return hr;
 267 }
 268
 269 /*************************************************************************
 270  *      SHELL_ExecuteW [Internal]
 271  *
 272  */
 273 static UINT_PTR SHELL_ExecuteW(const WCHAR *lpCmd, WCHAR *env, BOOL shWait,
 274                             LPSHELLEXECUTEINFOW psei, LPSHELLEXECUTEINFOW psei_out)
 275 {
 276     STARTUPINFOW  startup;
 277     PROCESS_INFORMATION info;
 278     UINT_PTR retval = 31;
 279     UINT gcdret = 0;
 280     WCHAR curdir[MAX_PATH];
 281
 282     TRACE("Execute %s from directory %s\n", debugstr_w(lpCmd), debugstr_w(psei->lpDirectory));
 283     /* ShellExecute specifies the command from psei->lpDirectory
 284      * if present. Not from the current dir as CreateProcess does */
 285     if( psei->lpDirectory && psei->lpDirectory[0] )
 286         if( ( gcdret = GetCurrentDirectoryW( MAX_PATH, curdir)))
 287             if( !SetCurrentDirectoryW( psei->lpDirectory))
 288                 ERR("cannot set directory %s\n", debugstr_w(psei->lpDirectory));
 289     ZeroMemory(&startup,sizeof(STARTUPINFOW));
 290     startup.cb = sizeof(STARTUPINFOW);
 291     startup.dwFlags = STARTF_USESHOWWINDOW;
 292     startup.wShowWindow = psei->nShow;
 293     if (CreateProcessW(NULL, (LPWSTR)lpCmd, NULL, NULL, FALSE, CREATE_UNICODE_ENVIRONMENT, env,
 294                        psei->lpDirectory && *psei->lpDirectory ? psei->lpDirectory : NULL,
 295                        &startup, &info))
 296     {
 297         /* Give 30 seconds to the app to come up, if desired. Probably only needed
 298            when starting app immediately before making a DDE connection. */
 299         if (shWait)
 300             if (WaitForInputIdle( info.hProcess, 30000 ) == WAIT_FAILED)
 301                 WARN("WaitForInputIdle failed: Error %ld\n", GetLastError() );
 302         retval = 33;
 303         if (psei->fMask & SEE_MASK_NOCLOSEPROCESS)
 304             psei_out->hProcess = info.hProcess;
 305         else
 306             CloseHandle( info.hProcess );
 307         CloseHandle( info.hThread );
 308     }
 309     else if ((retval = GetLastError()) >= 32)
 310     {
 311         TRACE("CreateProcess returned error %d\n", retval);
 312         retval = ERROR_BAD_FORMAT;
 313     }
 314
 315     TRACE("returning %u\n", retval);
 316
 317     psei_out->hInstApp = (HINSTANCE)retval;
 318     if( gcdret )
 319         if( !SetCurrentDirectoryW( curdir))
 320             ERR("cannot return to directory %s\n", debugstr_w(curdir));
 321
 322     return retval;
 323 }
 324
 325
 326 /***********************************************************************
 327  *           SHELL_BuildEnvW    [Internal]
 328  *
 329  * Build the environment for the new process, adding the specified
 330  * path to the PATH variable. Returned pointer must be freed by caller.
 331  */
 332 static void *SHELL_BuildEnvW( const WCHAR *path )
 333 {
 334     static const WCHAR wPath[] = {'P','A','T','H','=',0};
 335     WCHAR *strings, *new_env;
 336     WCHAR *p, *p2;
 337     int total = strlenW(path) + 1;
 338     BOOL got_path = FALSE;
 339
 340     if (!(strings = GetEnvironmentStringsW())) return NULL;
 341     p = strings;
 342     while (*p)
 343     {
 344         int len = strlenW(p) + 1;
 345         if (!strncmpiW( p, wPath, 5 )) got_path = TRUE;
 346         total += len;
 347         p += len;
 348     }
 349     if (!got_path) total += 5;  /* we need to create PATH */
 350     total++;  /* terminating null */
 351
 352     if (!(new_env = HeapAlloc( GetProcessHeap(), 0, total * sizeof(WCHAR) )))
 353     {
 354         FreeEnvironmentStringsW( strings );
 355         return NULL;
 356     }
 357     p = strings;
 358     p2 = new_env;
 359     while (*p)
 360     {
 361         int len = strlenW(p) + 1;
 362         memcpy( p2, p, len * sizeof(WCHAR) );
 363         if (!strncmpiW( p, wPath, 5 ))
 364         {
 365             p2[len - 1] = ';';
 366             strcpyW( p2 + len, path );
 367             p2 += strlenW(path) + 1;
 368         }
 369         p += len;
 370         p2 += len;
 371     }
 372     if (!got_path)
 373     {
 374         strcpyW( p2, wPath );
 375         strcatW( p2, path );
 376         p2 += strlenW(p2) + 1;
 377     }
 378     *p2 = 0;
 379     FreeEnvironmentStringsW( strings );
 380     return new_env;
 381 }
 382
 383
 384 /***********************************************************************
 385  *           SHELL_TryAppPathW  [Internal]
 386  *
 387  * Helper function for SHELL_FindExecutable
 388  * @param lpResult - pointer to a buffer of size MAX_PATH
 389  * On entry: szName is a filename (probably without path separators).
 390  * On exit: if szName found in "App Path", place full path in lpResult, and return true
 391  */
 392 static BOOL SHELL_TryAppPathW( LPCWSTR szName, LPWSTR lpResult, WCHAR **env)
 393 {
 394     static const WCHAR wszKeyAppPaths[] = {'S','o','f','t','w','a','r','e','\\','M','i','c','r','o','s','o','f','t','\\','W','i','n','d','o','w','s',
 395         '\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\','A','p','p',' ','P','a','t','h','s','\\',0};
 396     static const WCHAR wPath[] = {'P','a','t','h',0};
 397     HKEY hkApp = 0;
 398     WCHAR buffer[1024];
 399     LONG len;
 400     LONG res;
 401     BOOL found = FALSE;
 402
 403     if (env) *env = NULL;
 404     strcpyW(buffer, wszKeyAppPaths);
 405     strcatW(buffer, szName);
 406     res = RegOpenKeyExW(HKEY_LOCAL_MACHINE, buffer, 0, KEY_READ, &hkApp);
 407     if (res) goto end;
 408
 409     len = MAX_PATH*sizeof(WCHAR);
 410     res = RegQueryValueW(hkApp, NULL, lpResult, &len);
 411     if (res) goto end;
 412     found = TRUE;
 413
 414     if (env)
 415     {
 416         DWORD count = sizeof(buffer);
 417         if (!RegQueryValueExW(hkApp, wPath, NULL, NULL, (LPBYTE)buffer, &count) && buffer[0])
 418             *env = SHELL_BuildEnvW( buffer );
 419     }
 420
 421 end:
 422     if (hkApp) RegCloseKey(hkApp);
 423     return found;
 424 }
 425
 426 static UINT SHELL_FindExecutableByOperation(LPCWSTR lpPath, LPCWSTR lpFile, LPCWSTR lpOperation, LPWSTR key, LPWSTR filetype, LPWSTR command, LONG commandlen)
 427 {
 428     static const WCHAR wCommand[] = {'\\','c','o','m','m','a','n','d',0};
 429
 430     /* Looking for ...buffer\shell\<verb>\command */
 431     strcatW(filetype, wszShell);
 432     strcatW(filetype, lpOperation);
 433     strcatW(filetype, wCommand);
 434
 435     if (RegQueryValueW(HKEY_CLASSES_ROOT, filetype, command,
 436                        &commandlen) == ERROR_SUCCESS)
 437     {
 438         commandlen /= sizeof(WCHAR);
 439         if (key) strcpyW(key, filetype);
 440 #if 0
 441         LPWSTR tmp;
 442         WCHAR param[256];
 443         LONG paramlen = sizeof(param);
 444         static const WCHAR wSpace[] = {' ',0};
 445
 446         /* FIXME: it seems all Windows version don't behave the same here.
 447          * the doc states that this ddeexec information can be found after
 448          * the exec names.
 449          * on Win98, it doesn't appear, but I think it does on Win2k
 450          */
 451         /* Get the parameters needed by the application
 452            from the associated ddeexec key */
 453         tmp = strstrW(filetype, wCommand);
 454         tmp[0] = '\0';
 455         strcatW(filetype, wDdeexec);
 456         if (RegQueryValueW(HKEY_CLASSES_ROOT, filetype, param,
 457                                      &paramlen) == ERROR_SUCCESS)
 458         {
 459             paramlen /= sizeof(WCHAR);
 460             strcatW(command, wSpace);
 461             strcatW(command, param);
 462             commandlen += paramlen;
 463         }
 464 #endif
 465
 466         command[commandlen] = '\0';
 467
 468         return 33; /* FIXME see SHELL_FindExecutable() */
 469     }
 470
 471     return 31;  /* default - 'No association was found' */
 472 }
 473
 474 /*************************************************************************
 475  *      SHELL_FindExecutable [Internal]
 476  *
 477  * Utility for code sharing between FindExecutable and ShellExecute
 478  * in:
 479  *      lpFile the name of a file
 480  *      lpOperation the operation on it (open)
 481  * out:
 482  *      lpResult a buffer, big enough :-(, to store the command to do the
 483  *              operation on the file
 484  *      key a buffer, big enough, to get the key name to do actually the
 485  *              command (it'll be used afterwards for more information
 486  *              on the operation)
 487  */
 488 UINT SHELL_FindExecutable(LPCWSTR lpPath, LPCWSTR lpFile, LPCWSTR lpOperation,
 489                                  LPWSTR lpResult, int resultLen, LPWSTR key, WCHAR **env, LPITEMIDLIST pidl, LPCWSTR args)
 490 {
 491     static const WCHAR wWindows[] = {'w','i','n','d','o','w','s',0};
 492     static const WCHAR wPrograms[] = {'p','r','o','g','r','a','m','s',0};
 493     static const WCHAR wExtensions[] = {'e','x','e',' ','p','i','f',' ','b','a','t',' ','c','m','d',' ','c','o','m',0};
 494     WCHAR *extension = NULL; /* pointer to file extension */
 495     WCHAR filetype[256];     /* registry name for this filetype */
 496     LONG  filetypelen = sizeof(filetype); /* length of above */
 497     WCHAR command[1024];     /* command from registry */
 498     WCHAR wBuffer[256];      /* Used to GetProfileString */
 499     UINT  retval = 31;       /* default - 'No association was found' */
 500     WCHAR *tok;              /* token pointer */
 501     WCHAR xlpFile[256];      /* result of SearchPath */
 502     DWORD attribs;           /* file attributes */
 503
 504     TRACE("%s\n", (lpFile != NULL) ? debugstr_w(lpFile) : "-");
 505
 506     xlpFile[0] = '\0';
 507     lpResult[0] = '\0'; /* Start off with an empty return string */
 508     if (key) *key = '\0';
 509
 510     /* trap NULL parameters on entry */
 511     if ((lpFile == NULL) || (lpResult == NULL) || (lpOperation == NULL))
 512     {
 513         WARN("(lpFile=%s,lpResult=%s,lpOperation=%s): NULL parameter\n",
 514              debugstr_w(lpFile), debugstr_w(lpOperation), debugstr_w(lpResult));
 515         return 2; /* File not found. Close enough, I guess. */
 516     }
 517
 518     if (SHELL_TryAppPathW( lpFile, lpResult, env ))
 519     {
 520         TRACE("found %s via App Paths\n", debugstr_w(lpResult));
 521         return 33;
 522     }
 523
 524     if (SearchPathW(lpPath, lpFile, wszExe, sizeof(xlpFile)/sizeof(WCHAR), xlpFile, NULL))
 525     {
 526         TRACE("SearchPathW returned non-zero\n");
 527         lpFile = xlpFile;
 528         /* Hey, isn't this value ignored?  Why make this call?  Shouldn't we return here?  --dank*/
 529     }
 530
 531     attribs = GetFileAttributesW(lpFile);
 532     if (attribs!=INVALID_FILE_ATTRIBUTES && (attribs&FILE_ATTRIBUTE_DIRECTORY))
 533     {
 534        strcpyW(filetype, wszFolder);
 535        filetypelen = 6;    /* strlen("Folder") */
 536     }
 537     else
 538     {
 539         /* First thing we need is the file's extension */
 540         extension = strrchrW(xlpFile, '.'); /* Assume last "." is the one; */
 541         /* File->Run in progman uses */
 542         /* .\FILE.EXE :( */
 543         TRACE("xlpFile=%s,extension=%s\n", debugstr_w(xlpFile), debugstr_w(extension));
 544
 545         if (extension == NULL || extension[1]==0)
 546         {
 547             WARN("Returning 31 - No association\n");
 548             return 31; /* no association */
 549         }
 550
 551         /* Three places to check: */
 552         /* 1. win.ini, [windows], programs (NB no leading '.') */
 553         /* 2. Registry, HKEY_CLASS_ROOT\<filetype>\shell\open\command */
 554         /* 3. win.ini, [extensions], extension (NB no leading '.' */
 555         /* All I know of the order is that registry is checked before */
 556         /* extensions; however, it'd make sense to check the programs */
 557         /* section first, so that's what happens here. */
 558
 559         /* See if it's a program - if GetProfileString fails, we skip this
 560          * section. Actually, if GetProfileString fails, we've probably
 561          * got a lot more to worry about than running a program... */
 562         if (GetProfileStringW(wWindows, wPrograms, wExtensions, wBuffer, sizeof(wBuffer)/sizeof(WCHAR)) > 0)
 563         {
 564             CharLowerW(wBuffer);
 565             tok = wBuffer;
 566             while (*tok)
 567             {
 568                 WCHAR *p = tok;
 569                 while (*p && *p != ' ' && *p != '\t') p++;
 570                 if (*p)
 571                 {
 572                     *p++ = 0;
 573                     while (*p == ' ' || *p == '\t') p++;
 574                 }
 575
 576                 if (strcmpiW(tok, &extension[1]) == 0) /* have to skip the leading "." */
 577                 {
 578                     strcpyW(lpResult, xlpFile);
 579                     /* Need to perhaps check that the file has a path
 580                      * attached */
 581                     TRACE("found %s\n", debugstr_w(lpResult));
 582                     return 33;
 583
 584                     /* Greater than 32 to indicate success FIXME According to the
 585                      * docs, I should be returning a handle for the
 586                      * executable. Does this mean I'm supposed to open the
 587                      * executable file or something? More RTFM, I guess... */
 588                 }
 589                 tok = p;
 590             }
 591         }
 592
 593         /* Check registry */
 594         if (RegQueryValueW(HKEY_CLASSES_ROOT, extension, filetype,
 595                            &filetypelen) == ERROR_SUCCESS)
 596         {
 597             filetypelen /= sizeof(WCHAR);
 598             filetype[filetypelen] = '\0';
 599             TRACE("File type: %s\n", debugstr_w(filetype));
 600         }
 601         else
 602         {
 603             *filetype = '\0';
 604             filetypelen = 0;
 605         }
 606     }
 607
 608     if (*filetype)
 609     {
 610         if (lpOperation)
 611         {
 612             /* pass the operation string to SHELL_FindExecutableByOperation() */
 613             filetype[filetypelen] = '\0';
 614             retval = SHELL_FindExecutableByOperation(lpPath, lpFile, lpOperation, key, filetype, command, sizeof(command));
 615         }
 616         else
 617         {
 618             WCHAR operation[MAX_PATH];
 619             HKEY hkey;
 620
 621             /* Looking for ...buffer\shell\<operation>\command */
 622             strcatW(filetype, wszShell);
 623
 624             /* enumerate the operation subkeys in the registry and search for one with an associated command */
 625             if (RegOpenKeyW(HKEY_CLASSES_ROOT, filetype, &hkey) == ERROR_SUCCESS)
 626             {
 627                 int idx = 0;
 628                 for(;; ++idx)
 629                 {
 630                     if (RegEnumKeyW(hkey, idx, operation, MAX_PATH) != ERROR_SUCCESS)
 631                         break;
 632
 633                     filetype[filetypelen] = '\0';
 634                     retval = SHELL_FindExecutableByOperation(lpPath, lpFile, operation, key, filetype, command, sizeof(command));
 635
 636                     if (retval > 32)
 637                         break;
 638             }
 639                 RegCloseKey(hkey);
 640             }
 641         }
 642
 643         if (retval > 32)
 644         {
 645             SHELL_ArgifyW(lpResult, resultLen, command, xlpFile, pidl, args);
 646
 647             /* Remove double quotation marks and command line arguments */
 648             if (*lpResult == '"')
 649             {
 650                 WCHAR *p = lpResult;
 651                 while (*(p + 1) != '"')
 652                 {
 653                     *p = *(p + 1);
 654                     p++;
 655                 }
 656                 *p = '\0';
 657             }
 658         }
 659     }
 660     else /* Check win.ini */
 661     {
 662         static const WCHAR wExtensions[] = {'e','x','t','e','n','s','i','o','n','s',0};
 663
 664         /* Toss the leading dot */
 665         extension++;
 666         if (GetProfileStringW(wExtensions, extension, wszEmpty, command, sizeof(command)/sizeof(WCHAR)) > 0)
 667         {
 668             if (strlenW(command) != 0)
 669             {
 670                 strcpyW(lpResult, command);
 671                 tok = strchrW(lpResult, '^'); /* should be ^.extension? */
 672                 if (tok != NULL)
 673                 {
 674                     tok[0] = '\0';
 675                     strcatW(lpResult, xlpFile); /* what if no dir in xlpFile? */
 676                     tok = strchrW(command, '^'); /* see above */
 677                     if ((tok != NULL) && (strlenW(tok)>5))
 678                     {
 679                         strcatW(lpResult, &tok[5]);
 680                     }
 681                 }
 682                 retval = 33; /* FIXME - see above */
 683             }
 684         }
 685     }
 686
 687     TRACE("returning %s\n", debugstr_w(lpResult));
 688     return retval;
 689 }
 690
 691 /******************************************************************
 692  *              dde_cb
 693  *
 694  * callback for the DDE connection. not really useful
 695  */
 696 static HDDEDATA CALLBACK dde_cb(UINT uType, UINT uFmt, HCONV hConv,
 697                                 HSZ hsz1, HSZ hsz2, HDDEDATA hData,
 698                                 ULONG_PTR dwData1, ULONG_PTR dwData2)
 699 {
 700     TRACE("dde_cb: %04x, %04x, %p, %p, %p, %p, %08lx, %08lx\n",
 701            uType, uFmt, hConv, hsz1, hsz2, hData, dwData1, dwData2);
 702     return NULL;
 703 }
 704
 705 /******************************************************************
 706  *              dde_connect
 707  *
 708  * ShellExecute helper. Used to do an operation with a DDE connection
 709  *
 710  * Handles both the direct connection (try #1), and if it fails,
 711  * launching an application and trying (#2) to connect to it
 712  *
 713  */
 714 static unsigned dde_connect(WCHAR* key, const WCHAR* start, WCHAR* ddeexec,
 715                             const WCHAR* lpFile, WCHAR *env,
 716                             LPCWSTR szCommandline, LPITEMIDLIST pidl, SHELL_ExecuteW32 execfunc,
 717                             LPSHELLEXECUTEINFOW psei, LPSHELLEXECUTEINFOW psei_out)
 718 {
 719     static const WCHAR wApplication[] = {'\\','a','p','p','l','i','c','a','t','i','o','n',0};
 720     static const WCHAR wTopic[] = {'\\','t','o','p','i','c',0};
 721     WCHAR *     endkey = key + strlenW(key);
 722     WCHAR       app[256], topic[256], ifexec[256], res[256];
 723     LONG        applen, topiclen, ifexeclen;
 724     WCHAR *     exec;
 725     DWORD       ddeInst = 0;
 726     DWORD       tid;
 727     HSZ         hszApp, hszTopic;
 728     HCONV       hConv;
 729     HDDEDATA    hDdeData;
 730     unsigned    ret = 31;
 731     BOOL unicode = !(GetVersion() & 0x80000000);
 732
 733     strcpyW(endkey, wApplication);
 734     applen = sizeof(app);
 735     if (RegQueryValueW(HKEY_CLASSES_ROOT, key, app, &applen) != ERROR_SUCCESS)
 736     {
 737         FIXME("default app name NIY %s\n", debugstr_w(key));
 738         return 2;
 739     }
 740
 741     strcpyW(endkey, wTopic);
 742     topiclen = sizeof(topic);
 743     if (RegQueryValueW(HKEY_CLASSES_ROOT, key, topic, &topiclen) != ERROR_SUCCESS)
 744     {
 745         static const WCHAR wSystem[] = {'S','y','s','t','e','m',0};
 746         strcpyW(topic, wSystem);
 747     }
 748
 749     if (unicode)
 750     {
 751         if (DdeInitializeW(&ddeInst, dde_cb, APPCMD_CLIENTONLY, 0L) != DMLERR_NO_ERROR)
 752             return 2;
 753     }
 754     else
 755     {
 756         if (DdeInitializeA(&ddeInst, dde_cb, APPCMD_CLIENTONLY, 0L) != DMLERR_NO_ERROR)
 757             return 2;
 758     }
 759
 760     hszApp = DdeCreateStringHandleW(ddeInst, app, CP_WINUNICODE);
 761     hszTopic = DdeCreateStringHandleW(ddeInst, topic, CP_WINUNICODE);
 762
 763     hConv = DdeConnect(ddeInst, hszApp, hszTopic, NULL);
 764     exec = ddeexec;
 765     if (!hConv)
 766     {
 767         static const WCHAR wIfexec[] = {'\\','i','f','e','x','e','c',0};
 768         TRACE("Launching '%s'\n", debugstr_w(start));
 769         ret = execfunc(start, env, TRUE, psei, psei_out);
 770         if (ret < 32)
 771         {
 772             TRACE("Couldn't launch\n");
 773             goto error;
 774         }
 775         hConv = DdeConnect(ddeInst, hszApp, hszTopic, NULL);
 776         if (!hConv)
 777         {
 778             TRACE("Couldn't connect. ret=%d\n", ret);
 779             DdeUninitialize(ddeInst);
 780             SetLastError(ERROR_DDE_FAIL);
 781             return 30; /* whatever */
 782         }
 783         strcpyW(endkey, wIfexec);
 784         ifexeclen = sizeof(ifexec);
 785         if (RegQueryValueW(HKEY_CLASSES_ROOT, key, ifexec, &ifexeclen) == ERROR_SUCCESS)
 786         {
 787             exec = ifexec;
 788         }
 789     }
 790
 791     SHELL_ArgifyW(res, sizeof(res)/sizeof(WCHAR), exec, lpFile, pidl, szCommandline);
 792     TRACE("%s %s => %s\n", debugstr_w(exec), debugstr_w(lpFile), debugstr_w(res));
 793
 794     /* It's documented in the KB 330337 that IE has a bug and returns
 795      * error DMLERR_NOTPROCESSED on XTYP_EXECUTE request.
 796      */
 797     if (unicode)
 798         hDdeData = DdeClientTransaction((LPBYTE)res, (strlenW(res) + 1) * sizeof(WCHAR), hConv, 0L, 0,
 799                                          XTYP_EXECUTE, 30000, &tid);
 800     else
 801     {
 802         DWORD lenA = WideCharToMultiByte(CP_ACP, 0, res, -1, NULL, 0, NULL, NULL);
 803         char *resA = HeapAlloc(GetProcessHeap(), 0, lenA);
 804         WideCharToMultiByte(CP_ACP, 0, res, -1, resA, lenA, NULL, NULL);
 805         hDdeData = DdeClientTransaction( (LPBYTE)resA, lenA, hConv, 0L, 0,
 806                                          XTYP_EXECUTE, 10000, &tid );
 807         HeapFree(GetProcessHeap(), 0, resA);
 808     }
 809     if (hDdeData)
 810         DdeFreeDataHandle(hDdeData);
 811     else
 812         WARN("DdeClientTransaction failed with error %04x\n", DdeGetLastError(ddeInst));
 813     ret = 33;
 814
 815     DdeDisconnect(hConv);
 816
 817  error:
 818     DdeUninitialize(ddeInst);
 819
 820     return ret;
 821 }
 822
 823 /*************************************************************************
 824  *      execute_from_key [Internal]
 825  */
 826 static UINT_PTR execute_from_key(LPWSTR key, LPCWSTR lpFile, WCHAR *env, LPCWSTR szCommandline,
 827                              LPCWSTR executable_name,
 828                              SHELL_ExecuteW32 execfunc,
 829                              LPSHELLEXECUTEINFOW psei, LPSHELLEXECUTEINFOW psei_out)
 830 {
 831     WCHAR cmd[256];
 832     LONG cmdlen = sizeof(cmd);
 833     UINT_PTR retval = 31;
 834
 835     TRACE("%s %s %s %s %s\n", debugstr_w(key), debugstr_w(lpFile), debugstr_w(env),
 836            debugstr_w(szCommandline), debugstr_w(executable_name));
 837
 838     cmd[0] = '\0';
 839
 840     /* Get the application from the registry */
 841     if (RegQueryValueW(HKEY_CLASSES_ROOT, key, cmd, &cmdlen) == ERROR_SUCCESS)
 842     {
 843         WCHAR param[1024];
 844
 845         TRACE("got cmd: %s\n", debugstr_w(cmd));
 846
 847         param[0] = '\0';
 848
 849         /* Is there a replace() function anywhere? */
 850         cmdlen /= sizeof(WCHAR);
 851         cmd[cmdlen] = '\0';
 852         if (!SHELL_ArgifyW(param, sizeof(param)/sizeof(WCHAR), cmd, lpFile, psei->lpIDList, szCommandline))
 853         {
 854             /* looks like there is no %1 param in the cmd, add one */
 855             static const WCHAR oneW[] = { ' ','\"','%','1','\"',0 };
 856             strcatW(cmd, oneW);
 857             SHELL_ArgifyW(param, sizeof(param)/sizeof(WCHAR), cmd, lpFile, psei->lpIDList, szCommandline);
 858         }
 859         TRACE("executing: %s\n", debugstr_w(param));
 860         retval = execfunc(param, env, FALSE, psei, psei_out);
 861     }
 862     else
 863     {
 864         static const WCHAR wCommand[] = {'c','o','m','m','a','n','d',0};
 865         static const WCHAR wDdeexec[] = {'d','d','e','e','x','e','c',0};
 866         LPWSTR tmp;
 867         WCHAR param[256];
 868         LONG paramlen = sizeof(param);
 869
 870         param[0] = '\0';
 871
 872         /* Get the parameters needed by the application
 873            from the associated ddeexec key */
 874         tmp = strstrW(key, wCommand);
 875         assert(tmp);
 876         strcpyW(tmp, wDdeexec);
 877
 878         TRACE("trying ddeexec cmd: %s\n", debugstr_w(key));
 879
 880         if (RegQueryValueW(HKEY_CLASSES_ROOT, key, param, &paramlen) == ERROR_SUCCESS)
 881         {
 882             TRACE("Got ddeexec %s => %s\n", debugstr_w(key), debugstr_w(param));
 883             retval = dde_connect(key, executable_name, param, lpFile, env, szCommandline, psei->lpIDList, execfunc, psei, psei_out);
 884         }
 885         else
 886             WARN("Nothing appropriate found for %s\n", debugstr_w(key));
 887     }
 888
 889     return retval;
 890 }
 891
 892 /*************************************************************************
 893  * FindExecutableA                      [SHELL32.@]
 894  */
 895 HINSTANCE WINAPI FindExecutableA(LPCSTR lpFile, LPCSTR lpDirectory, LPSTR lpResult)
 896 {
 897     HINSTANCE retval;
 898     WCHAR *wFile = NULL, *wDirectory = NULL;
 899     WCHAR wResult[MAX_PATH];
 900
 901     if (lpFile) __SHCloneStrAtoW(&wFile, lpFile);
 902     if (lpDirectory) __SHCloneStrAtoW(&wDirectory, lpDirectory);
 903
 904     retval = FindExecutableW(wFile, wDirectory, wResult);
 905     WideCharToMultiByte(CP_ACP, 0, wResult, -1, lpResult, MAX_PATH, NULL, NULL);
 906     if (wFile) SHFree( wFile );
 907     if (wDirectory) SHFree( wDirectory );
 908
 909     TRACE("returning %s\n", lpResult);
 910     return retval;
 911 }
 912
 913 /*************************************************************************
 914  * FindExecutableW                      [SHELL32.@]
 915  */
 916 HINSTANCE WINAPI FindExecutableW(LPCWSTR lpFile, LPCWSTR lpDirectory, LPWSTR lpResult)
 917 {
 918     UINT_PTR retval = 31;    /* default - 'No association was found' */
 919     WCHAR old_dir[1024];
 920
 921     TRACE("File %s, Dir %s\n",
 922           (lpFile != NULL ? debugstr_w(lpFile) : "-"), (lpDirectory != NULL ? debugstr_w(lpDirectory) : "-"));
 923
 924     lpResult[0] = '\0'; /* Start off with an empty return string */
 925
 926     /* trap NULL parameters on entry */
 927     if ((lpFile == NULL) || (lpResult == NULL))
 928     {
 929         /* FIXME - should throw a warning, perhaps! */
 930         return (HINSTANCE)2; /* File not found. Close enough, I guess. */
 931     }
 932
 933     if (lpDirectory)
 934     {
 935         GetCurrentDirectoryW(sizeof(old_dir)/sizeof(WCHAR), old_dir);
 936         SetCurrentDirectoryW(lpDirectory);
 937     }
 938
 939     retval = SHELL_FindExecutable(lpDirectory, lpFile, wszOpen, lpResult, MAX_PATH, NULL, NULL, NULL, NULL);
 940
 941     TRACE("returning %s\n", debugstr_w(lpResult));
 942     if (lpDirectory)
 943         SetCurrentDirectoryW(old_dir);
 944     return (HINSTANCE)retval;
 945 }
 946
 947 /* FIXME: is this already implemented somewhere else? */
 948 static HKEY ShellExecute_GetClassKey( LPSHELLEXECUTEINFOW sei )
 949 {
 950     LPCWSTR ext = NULL, lpClass = NULL;
 951     LPWSTR cls = NULL;
 952     DWORD type = 0, sz = 0;
 953     HKEY hkey = 0;
 954     LONG r;
 955
 956     if (sei->fMask & SEE_MASK_CLASSALL)
 957         return sei->hkeyClass;
 958
 959     if (sei->fMask & SEE_MASK_CLASSNAME)
 960         lpClass = sei->lpClass;
 961     else
 962     {
 963         ext = PathFindExtensionW( sei->lpFile );
 964         TRACE("ext = %s\n", debugstr_w( ext ) );
 965         if (!ext)
 966             return hkey;
 967
 968         r = RegOpenKeyW( HKEY_CLASSES_ROOT, ext, &hkey );
 969         if (r != ERROR_SUCCESS )
 970             return hkey;
 971
 972         r = RegQueryValueExW( hkey, NULL, 0, &type, NULL, &sz );
 973         if ( r == ERROR_SUCCESS && type == REG_SZ )
 974         {
 975             sz += sizeof (WCHAR);
 976             cls = HeapAlloc( GetProcessHeap(), 0, sz );
 977             cls[0] = 0;
 978             RegQueryValueExW( hkey, NULL, 0, &type, (LPBYTE) cls, &sz );
 979         }
 980
 981         RegCloseKey( hkey );
 982         lpClass = cls;
 983     }
 984
 985     TRACE("class = %s\n", debugstr_w(lpClass) );
 986
 987     hkey = 0;
 988     if ( lpClass )
 989         RegOpenKeyW( HKEY_CLASSES_ROOT, lpClass, &hkey );
 990
 991     HeapFree( GetProcessHeap(), 0, cls );
 992
 993     return hkey;
 994 }
 995
 996 static IDataObject *shellex_get_dataobj( LPSHELLEXECUTEINFOW sei )
 997 {
 998     LPCITEMIDLIST pidllast = NULL;
 999     IDataObject *dataobj = NULL;
1000     IShellFolder *shf = NULL;
1001     LPITEMIDLIST pidl = NULL;
1002     HRESULT r;
1003
1004     if (sei->fMask & SEE_MASK_CLASSALL)
1005         pidl = sei->lpIDList;
1006     else
1007     {
1008         WCHAR fullpath[MAX_PATH];
1009
1010         fullpath[0] = 0;
1011         r = GetFullPathNameW( sei->lpFile, MAX_PATH, fullpath, NULL );
1012         if (!r)
1013             goto end;
1014
1015         pidl = ILCreateFromPathW( fullpath );
1016     }
1017
1018     r = SHBindToParent( pidl, &IID_IShellFolder, (LPVOID*)&shf, &pidllast );
1019     if ( FAILED( r ) )
1020         goto end;
1021
1022     IShellFolder_GetUIObjectOf( shf, NULL, 1, &pidllast,
1023                                 &IID_IDataObject, NULL, (LPVOID*) &dataobj );
1024
1025 end:
1026     if ( pidl != sei->lpIDList )
1027         ILFree( pidl );
1028     if ( shf )
1029         IShellFolder_Release( shf );
1030     return dataobj;
1031 }
1032
1033 static HRESULT shellex_run_context_menu_default( IShellExtInit *obj,
1034                                                  LPSHELLEXECUTEINFOW sei )
1035 {
1036     IContextMenu *cm = NULL;
1037     CMINVOKECOMMANDINFOEX ici;
1038     MENUITEMINFOW info;
1039     WCHAR string[0x80];
1040     INT i, n, def = -1;
1041     HMENU hmenu = 0;
1042     HRESULT r;
1043
1044     TRACE("%p %p\n", obj, sei );
1045
1046     r = IShellExtInit_QueryInterface( obj, &IID_IContextMenu, (LPVOID*) &cm );
1047     if ( FAILED( r ) )
1048         return r;
1049
1050     hmenu = CreateMenu();
1051     if ( !hmenu )
1052         goto end;
1053
1054     /* the number of the last menu added is returned in r */
1055     r = IContextMenu_QueryContextMenu( cm, hmenu, 0, 0x20, 0x7fff, CMF_DEFAULTONLY );
1056     if ( FAILED( r ) )
1057         goto end;
1058
1059     n = GetMenuItemCount( hmenu );
1060     for ( i = 0; i < n; i++ )
1061     {
1062         memset( &info, 0, sizeof info );
1063         info.cbSize = sizeof info;
1064         info.fMask = MIIM_FTYPE | MIIM_STRING | MIIM_STATE | MIIM_DATA | MIIM_ID;
1065         info.dwTypeData = string;
1066         info.cch = sizeof string;
1067         string[0] = 0;
1068         GetMenuItemInfoW( hmenu, i, TRUE, &info );
1069
1070         TRACE("menu %d %s %08x %08lx %08x %08x\n", i, debugstr_w(string),
1071             info.fState, info.dwItemData, info.fType, info.wID );
1072         if ( ( !sei->lpVerb && (info.fState & MFS_DEFAULT) ) ||
1073              ( sei->lpVerb && !lstrcmpiW( sei->lpVerb, string ) ) )
1074         {
1075             def = i;
1076             break;
1077         }
1078     }
1079
1080     r = E_FAIL;
1081     if ( def == -1 )
1082         goto end;
1083
1084     memset( &ici, 0, sizeof ici );
1085     ici.cbSize = sizeof ici;
1086     ici.fMask = CMIC_MASK_UNICODE;
1087     ici.nShow = sei->nShow;
1088     ici.lpVerb = MAKEINTRESOURCEA( def );
1089     ici.hwnd = sei->hwnd;
1090     ici.lpParametersW = sei->lpParameters;
1091
1092     r = IContextMenu_InvokeCommand( cm, (LPCMINVOKECOMMANDINFO) &ici );
1093
1094     TRACE("invoke command returned %08lx\n", r );
1095
1096 end:
1097     if ( hmenu )
1098         DestroyMenu( hmenu );
1099     if ( cm )
1100         IContextMenu_Release( cm );
1101     return r;
1102 }
1103
1104 static HRESULT shellex_load_object_and_run( HKEY hkey, LPCGUID guid, LPSHELLEXECUTEINFOW sei )
1105 {
1106     IDataObject *dataobj = NULL;
1107     IObjectWithSite *ows = NULL;
1108     IShellExtInit *obj = NULL;
1109     HRESULT r;
1110
1111     TRACE("%p %s %p\n", hkey, debugstr_guid( guid ), sei );
1112
1113     r = CoInitialize( NULL );
1114     if ( FAILED( r ) )
1115         goto end;
1116
1117     r = CoCreateInstance( guid, NULL, CLSCTX_INPROC_SERVER,
1118                            &IID_IShellExtInit, (LPVOID*)&obj );
1119     if ( FAILED( r ) )
1120     {
1121         ERR("failed %08lx\n", r );
1122         goto end;
1123     }
1124
1125     dataobj = shellex_get_dataobj( sei );
1126     if ( !dataobj )
1127     {
1128         ERR("failed to get data object\n");
1129         goto end;
1130     }
1131
1132     r = IShellExtInit_Initialize( obj, NULL, dataobj, hkey );
1133     if ( FAILED( r ) )
1134         goto end;
1135
1136     r = IShellExtInit_QueryInterface( obj, &IID_IObjectWithSite, (LPVOID*) &ows );
1137     if ( FAILED( r ) )
1138         goto end;
1139
1140     IObjectWithSite_SetSite( ows, NULL );
1141
1142     r = shellex_run_context_menu_default( obj, sei );
1143
1144 end:
1145     if ( ows )
1146         IObjectWithSite_Release( ows );
1147     if ( dataobj )
1148         IDataObject_Release( dataobj );
1149     if ( obj )
1150         IShellExtInit_Release( obj );
1151     CoUninitialize();
1152     return r;
1153 }
1154
1155
1156 /*************************************************************************
1157  *      ShellExecute_FromContextMenu [Internal]
1158  */
1159 static LONG ShellExecute_FromContextMenu( LPSHELLEXECUTEINFOW sei )
1160 {
1161     static const WCHAR szcm[] = { 's','h','e','l','l','e','x','\\',
1162         'C','o','n','t','e','x','t','M','e','n','u','H','a','n','d','l','e','r','s',0 };
1163     HKEY hkey, hkeycm = 0;
1164     WCHAR szguid[39];
1165     HRESULT hr;
1166     GUID guid;
1167     DWORD i;
1168     LONG r;
1169
1170     TRACE("%s\n", debugstr_w(sei->lpFile) );
1171
1172     hkey = ShellExecute_GetClassKey( sei );
1173     if ( !hkey )
1174         return ERROR_FUNCTION_FAILED;
1175
1176     r = RegOpenKeyW( hkey, szcm, &hkeycm );
1177     if ( r == ERROR_SUCCESS )
1178     {
1179         i = 0;
1180         while ( 1 )
1181         {
1182             r = RegEnumKeyW( hkeycm, i++, szguid, 39 );
1183             if ( r != ERROR_SUCCESS )
1184                 break;
1185
1186             hr = CLSIDFromString( szguid, &guid );
1187             if (SUCCEEDED(hr))
1188             {
1189                 /* stop at the first one that succeeds in running */
1190                 hr = shellex_load_object_and_run( hkey, &guid, sei );
1191                 if ( SUCCEEDED( hr ) )
1192                     break;
1193             }
1194         }
1195         RegCloseKey( hkeycm );
1196     }
1197
1198     if ( hkey != sei->hkeyClass )
1199         RegCloseKey( hkey );
1200     return r;
1201 }
1202
1203 /*************************************************************************
1204  *      SHELL_execute [Internal]
1205  */
1206 BOOL SHELL_execute( LPSHELLEXECUTEINFOW sei, SHELL_ExecuteW32 execfunc )
1207 {
1208     static const WCHAR wQuote[] = {'"',0};
1209     static const WCHAR wSpace[] = {' ',0};
1210     static const WCHAR wWww[] = {'w','w','w',0};
1211     static const WCHAR wFile[] = {'f','i','l','e',0};
1212     static const WCHAR wHttp[] = {'h','t','t','p',':','/','/',0};
1213     static const WCHAR wExplorer[] = {'e','x','p','l','o','r','e','r','.','e','x','e',0};
1214     static const DWORD unsupportedFlags =
1215         SEE_MASK_INVOKEIDLIST  | SEE_MASK_ICON         | SEE_MASK_HOTKEY |
1216         SEE_MASK_CONNECTNETDRV | SEE_MASK_FLAG_DDEWAIT | SEE_MASK_FLAG_NO_UI |
1217         SEE_MASK_UNICODE       | SEE_MASK_NO_CONSOLE   | SEE_MASK_ASYNCOK |
1218         SEE_MASK_HMONITOR;
1219
1220     WCHAR *wszApplicationName, wszParameters[1024], wszDir[MAX_PATH];
1221     DWORD dwApplicationNameLen = MAX_PATH+2;
1222     SHELLEXECUTEINFOW sei_tmp;  /* modifiable copy of SHELLEXECUTEINFO struct */
1223     WCHAR wfileName[MAX_PATH];
1224     WCHAR *env;
1225     WCHAR lpstrProtocol[256];
1226     LPCWSTR lpFile;
1227     UINT_PTR retval = 31;
1228     WCHAR wcmd[1024];
1229     WCHAR buffer[MAX_PATH];
1230     BOOL done;
1231
1232     /* make a local copy of the LPSHELLEXECUTEINFO structure and work with this from now on */
1233     memcpy(&sei_tmp, sei, sizeof(sei_tmp));
1234
1235     TRACE("mask=0x%08lx hwnd=%p verb=%s file=%s parm=%s dir=%s show=0x%08x class=%s\n",
1236             sei_tmp.fMask, sei_tmp.hwnd, debugstr_w(sei_tmp.lpVerb),
1237             debugstr_w(sei_tmp.lpFile), debugstr_w(sei_tmp.lpParameters),
1238             debugstr_w(sei_tmp.lpDirectory), sei_tmp.nShow,
1239             ((sei_tmp.fMask & SEE_MASK_CLASSALL) == SEE_MASK_CLASSNAME) ?
1240                 debugstr_w(sei_tmp.lpClass) : "not used");
1241
1242     sei->hProcess = NULL;
1243
1244     /* make copies of all path/command strings */
1245     if (!sei_tmp.lpFile)
1246     {
1247         wszApplicationName = HeapAlloc(GetProcessHeap(), 0, dwApplicationNameLen*sizeof(WCHAR));
1248         *wszApplicationName = '\0';
1249     }
1250     else if (*sei_tmp.lpFile == '\"')
1251     {
1252         DWORD l = strlenW(sei_tmp.lpFile+1);
1253         if(l >= dwApplicationNameLen) dwApplicationNameLen = l+1;
1254         wszApplicationName = HeapAlloc(GetProcessHeap(), 0, dwApplicationNameLen*sizeof(WCHAR));
1255         memcpy(wszApplicationName, sei_tmp.lpFile+1, (l+1)*sizeof(WCHAR));
1256         if (wszApplicationName[l-1] == '\"')
1257             wszApplicationName[l-1] = '\0';
1258         TRACE("wszApplicationName=%s\n",debugstr_w(wszApplicationName));
1259     } else {
1260         DWORD l = strlenW(sei_tmp.lpFile)+1;
1261         if(l > dwApplicationNameLen) dwApplicationNameLen = l+1;
1262         wszApplicationName = HeapAlloc(GetProcessHeap(), 0, dwApplicationNameLen*sizeof(WCHAR));
1263         memcpy(wszApplicationName, sei_tmp.lpFile, l*sizeof(WCHAR));
1264     }
1265
1266     if (sei_tmp.lpParameters)
1267         strcpyW(wszParameters, sei_tmp.lpParameters);
1268     else
1269         *wszParameters = '\0';
1270
1271     if (sei_tmp.lpDirectory)
1272         strcpyW(wszDir, sei_tmp.lpDirectory);
1273     else
1274         *wszDir = '\0';
1275
1276     /* adjust string pointers to point to the new buffers */
1277     sei_tmp.lpFile = wszApplicationName;
1278     sei_tmp.lpParameters = wszParameters;
1279     sei_tmp.lpDirectory = wszDir;
1280
1281     if (sei_tmp.fMask & unsupportedFlags)
1282     {
1283         FIXME("flags ignored: 0x%08lx\n", sei_tmp.fMask & unsupportedFlags);
1284     }
1285
1286     /* process the IDList */
1287     if (sei_tmp.fMask & SEE_MASK_IDLIST)
1288     {
1289         IShellExecuteHookW* pSEH;
1290
1291         HRESULT hr = SHBindToParent(sei_tmp.lpIDList, &IID_IShellExecuteHookW, (LPVOID*)&pSEH, NULL);
1292
1293         if (SUCCEEDED(hr))
1294         {
1295             hr = IShellExecuteHookW_Execute(pSEH, &sei_tmp);
1296
1297             IShellExecuteHookW_Release(pSEH);
1298
1299             if (hr == S_OK) {
1300                 HeapFree(GetProcessHeap(), 0, wszApplicationName);
1301                 return TRUE;
1302             }
1303         }
1304
1305         SHGetPathFromIDListW(sei_tmp.lpIDList, wszApplicationName);
1306         TRACE("-- idlist=%p (%s)\n", sei_tmp.lpIDList, debugstr_w(wszApplicationName));
1307     }
1308
1309     if ( ERROR_SUCCESS == ShellExecute_FromContextMenu( &sei_tmp ) )
1310     {
1311         sei->hInstApp = (HINSTANCE) 33;
1312         HeapFree(GetProcessHeap(), 0, wszApplicationName);
1313         return TRUE;
1314     }
1315
1316     if (sei_tmp.fMask & SEE_MASK_CLASSALL)
1317     {
1318         /* launch a document by fileclass like 'WordPad.Document.1' */
1319         /* the Commandline contains 'c:\Path\wordpad.exe "%1"' */
1320         /* FIXME: szCommandline should not be of a fixed size. Fixed to 1024, MAX_PATH is way too short! */
1321         ULONG cmask=(sei_tmp.fMask & SEE_MASK_CLASSALL);
1322         HCR_GetExecuteCommandW((cmask == SEE_MASK_CLASSKEY) ? sei_tmp.hkeyClass : NULL,
1323                                (cmask == SEE_MASK_CLASSNAME) ? sei_tmp.lpClass: NULL,
1324                                (sei_tmp.lpVerb) ? sei_tmp.lpVerb : wszOpen,
1325                                wszParameters, sizeof(wszParameters)/sizeof(WCHAR));
1326
1327         /* FIXME: get the extension of lpFile, check if it fits to the lpClass */
1328         TRACE("SEE_MASK_CLASSNAME->'%s', doc->'%s'\n", debugstr_w(wszParameters), debugstr_w(wszApplicationName));
1329
1330         wcmd[0] = '\0';
1331         done = SHELL_ArgifyW(wcmd, sizeof(wcmd)/sizeof(WCHAR), wszParameters, wszApplicationName, sei_tmp.lpIDList, NULL);
1332         if (!done && wszApplicationName[0])
1333         {
1334             strcatW(wcmd, wSpace);
1335             strcatW(wcmd, wszApplicationName);
1336         }
1337         retval = execfunc(wcmd, NULL, FALSE, &sei_tmp, sei);
1338
1339         HeapFree(GetProcessHeap(), 0, wszApplicationName);
1340         return retval > 32;
1341     }
1342
1343     /* Has the IDList not yet been translated? */
1344     if (sei_tmp.fMask & SEE_MASK_IDLIST)
1345     {
1346         /* last chance to translate IDList: now also allow CLSID paths */
1347         if (SUCCEEDED(SHELL_GetPathFromIDListForExecuteW(sei_tmp.lpIDList, buffer, sizeof(buffer)))) {
1348             if (buffer[0]==':' && buffer[1]==':') {
1349                 /* open shell folder for the specified class GUID */
1350                 strcpyW(wszParameters, buffer);
1351                 strcpyW(wszApplicationName, wExplorer);
1352
1353                 sei_tmp.fMask &= ~SEE_MASK_INVOKEIDLIST;
1354             } else {
1355                 WCHAR target[MAX_PATH];
1356                 DWORD attribs;
1357                 /* Check if we're executing a directory and if so use the
1358                    handler for the Folder class */
1359                 strcpyW(target, buffer);
1360                 attribs = GetFileAttributesW(buffer);
1361                 if (attribs != INVALID_FILE_ATTRIBUTES &&
1362                     (attribs & FILE_ATTRIBUTE_DIRECTORY) &&
1363                     HCR_GetExecuteCommandW(0, wszFolder,
1364                                            sei_tmp.lpVerb?sei_tmp.lpVerb:wszOpen,
1365                                            buffer, sizeof(buffer))) {
1366                     SHELL_ArgifyW(wszApplicationName, dwApplicationNameLen,
1367                                   buffer, target, sei_tmp.lpIDList, NULL);
1368                 }
1369                 sei_tmp.fMask &= ~SEE_MASK_INVOKEIDLIST;
1370             }
1371         }
1372     }
1373
1374     /* expand environment strings */
1375     if (ExpandEnvironmentStringsW(sei_tmp.lpFile, buffer, MAX_PATH))
1376         lstrcpyW(wszApplicationName, buffer);
1377
1378     if (*sei_tmp.lpParameters)
1379         if (ExpandEnvironmentStringsW(sei_tmp.lpParameters, buffer, MAX_PATH))
1380             lstrcpyW(wszParameters, buffer);
1381
1382     if (*sei_tmp.lpDirectory)
1383         if (ExpandEnvironmentStringsW(sei_tmp.lpDirectory, buffer, MAX_PATH))
1384             lstrcpyW(wszDir, buffer);
1385
1386     /* Else, try to execute the filename */
1387     TRACE("execute:%s,%s,%s\n", debugstr_w(wszApplicationName), debugstr_w(wszParameters), debugstr_w(wszDir));
1388
1389     /* separate out command line arguments from executable file name */
1390     if (!*sei_tmp.lpParameters) {
1391         /* If the executable path is quoted, handle the rest of the command line as parameters. */
1392         if (sei_tmp.lpFile[0] == '"') {
1393             LPWSTR src = wszApplicationName/*sei_tmp.lpFile*/ + 1;
1394             LPWSTR dst = wfileName;
1395             LPWSTR end;
1396
1397             /* copy the unquoted executable path to 'wfileName' */
1398             while(*src && *src!='"')
1399                 *dst++ = *src++;
1400
1401             *dst = '\0';
1402
1403             if (*src == '"') {
1404                 end = ++src;
1405
1406                 while(isspace(*src))
1407                     ++src;
1408             } else
1409                 end = src;
1410
1411             /* copy the parameter string to 'wszParameters' */
1412             strcpyW(wszParameters, src);
1413
1414             /* terminate previous command string after the quote character */
1415             *end = '\0';
1416         }
1417         else
1418         {
1419             /* If the executable name is not quoted, we have to use this search loop here,
1420                that in CreateProcess() is not sufficient because it does not handle shell links. */
1421             WCHAR buffer[MAX_PATH], xlpFile[MAX_PATH];
1422             LPWSTR space, s;
1423
1424             LPWSTR beg = wszApplicationName/*sei_tmp.lpFile*/;
1425             for(s=beg; (space=strchrW(s, ' ')); s=space+1) {
1426                 int idx = space-sei_tmp.lpFile;
1427                 memcpy(buffer, sei_tmp.lpFile, idx * sizeof(WCHAR));
1428                 buffer[idx] = '\0';
1429
1430                 /*FIXME This finds directory paths if the targeted file name contains spaces. */
1431                 if (SearchPathW(*sei_tmp.lpDirectory? sei_tmp.lpDirectory: NULL, buffer, wszExe, sizeof(xlpFile), xlpFile, NULL))
1432                 {
1433                     /* separate out command from parameter string */
1434                     LPCWSTR p = space + 1;
1435
1436                     while(isspaceW(*p))
1437                         ++p;
1438
1439                     strcpyW(wszParameters, p);
1440                     *space = '\0';
1441
1442                     break;
1443                 }
1444             }
1445
1446             strcpyW(wfileName, sei_tmp.lpFile);
1447         }
1448     } else
1449         strcpyW(wfileName, sei_tmp.lpFile);
1450
1451     lpFile = wfileName;
1452
1453     strcpyW(wcmd, wszApplicationName);
1454     if (sei_tmp.lpParameters[0]) {
1455         strcatW(wcmd, wSpace);
1456         strcatW(wcmd, wszParameters);
1457     }
1458
1459     /* We set the default to open, and that should generally work.
1460        But that is not really the way the MS docs say to do it. */
1461     if (!sei_tmp.lpVerb)
1462         sei_tmp.lpVerb = wszOpen;
1463
1464     retval = execfunc(wcmd, NULL, FALSE, &sei_tmp, sei);
1465     if (retval > 32) {
1466         HeapFree(GetProcessHeap(), 0, wszApplicationName);
1467         return TRUE;
1468     }
1469
1470     /* Else, try to find the executable */
1471     wcmd[0] = '\0';
1472     retval = SHELL_FindExecutable(sei_tmp.lpDirectory, lpFile, sei_tmp.lpVerb, wcmd, 1024, lpstrProtocol, &env, sei_tmp.lpIDList, sei_tmp.lpParameters);
1473     if (retval > 32)  /* Found */
1474     {
1475         WCHAR wszQuotedCmd[MAX_PATH+2];
1476         /* Must quote to handle case where cmd contains spaces,
1477          * else security hole if malicious user creates executable file "C:\\Program"
1478          */
1479         strcpyW(wszQuotedCmd, wQuote);
1480         strcatW(wszQuotedCmd, wcmd);
1481         strcatW(wszQuotedCmd, wQuote);
1482         if (wszParameters[0]) {
1483             strcatW(wszQuotedCmd, wSpace);
1484             strcatW(wszQuotedCmd, wszParameters);
1485         }
1486         TRACE("%s/%s => %s/%s\n", debugstr_w(wszApplicationName), debugstr_w(sei_tmp.lpVerb), debugstr_w(wszQuotedCmd), debugstr_w(lpstrProtocol));
1487         if (*lpstrProtocol)
1488             retval = execute_from_key(lpstrProtocol, wszApplicationName, env, sei_tmp.lpParameters, wcmd, execfunc, &sei_tmp, sei);
1489         else
1490             retval = execfunc(wszQuotedCmd, env, FALSE, &sei_tmp, sei);
1491         HeapFree( GetProcessHeap(), 0, env );
1492     }
1493     else if (PathIsURLW((LPWSTR)lpFile))    /* File not found, check for URL */
1494     {
1495         static const WCHAR wShell[] = {'\\','s','h','e','l','l','\\',0};
1496         static const WCHAR wCommand[] = {'\\','c','o','m','m','a','n','d',0};
1497         LPWSTR lpstrRes;
1498         INT iSize;
1499
1500         lpstrRes = strchrW(lpFile, ':');
1501         if (lpstrRes)
1502             iSize = lpstrRes - lpFile;
1503         else
1504             iSize = strlenW(lpFile);
1505
1506         TRACE("Got URL: %s\n", debugstr_w(lpFile));
1507         /* Looking for ...protocol\shell\lpOperation\command */
1508         memcpy(lpstrProtocol, lpFile, iSize*sizeof(WCHAR));
1509         lpstrProtocol[iSize] = '\0';
1510         strcatW(lpstrProtocol, wShell);
1511         strcatW(lpstrProtocol, sei_tmp.lpVerb? sei_tmp.lpVerb: wszOpen);
1512         strcatW(lpstrProtocol, wCommand);
1513
1514         /* Remove File Protocol from lpFile */
1515         /* In the case file://path/file     */
1516         if (!strncmpiW(lpFile, wFile, iSize))
1517         {
1518             lpFile += iSize;
1519             while (*lpFile == ':') lpFile++;
1520         }
1521         retval = execute_from_key(lpstrProtocol, lpFile, NULL, sei_tmp.lpParameters, wcmd, execfunc, &sei_tmp, sei);
1522     }
1523     /* Check if file specified is in the form www.??????.*** */
1524     else if (!strncmpiW(lpFile, wWww, 3))
1525     {
1526         /* if so, append lpFile http:// and call ShellExecute */
1527         WCHAR lpstrTmpFile[256];
1528         strcpyW(lpstrTmpFile, wHttp);
1529         strcatW(lpstrTmpFile, lpFile);
1530         retval = (UINT_PTR)ShellExecuteW(sei_tmp.hwnd, sei_tmp.lpVerb, lpstrTmpFile, NULL, NULL, 0);
1531     }
1532
1533     TRACE("retval %u\n", retval);
1534
1535     HeapFree(GetProcessHeap(), 0, wszApplicationName);
1536
1537     sei->hInstApp = (HINSTANCE)(retval > 32 ? 33 : retval);
1538     return retval > 32;
1539 }
1540
1541 /*************************************************************************
1542  * ShellExecuteA                        [SHELL32.290]
1543  */
1544 HINSTANCE WINAPI ShellExecuteA(HWND hWnd, LPCSTR lpOperation,LPCSTR lpFile,
1545                                LPCSTR lpParameters,LPCSTR lpDirectory, INT iShowCmd)
1546 {
1547     SHELLEXECUTEINFOA sei;
1548
1549     TRACE("%p,%s,%s,%s,%s,%d\n",
1550           hWnd, debugstr_a(lpOperation), debugstr_a(lpFile),
1551           debugstr_a(lpParameters), debugstr_a(lpDirectory), iShowCmd);
1552
1553     sei.cbSize = sizeof(sei);
1554     sei.fMask = 0;
1555     sei.hwnd = hWnd;
1556     sei.lpVerb = lpOperation;
1557     sei.lpFile = lpFile;
1558     sei.lpParameters = lpParameters;
1559     sei.lpDirectory = lpDirectory;
1560     sei.nShow = iShowCmd;
1561     sei.lpIDList = 0;
1562     sei.lpClass = 0;
1563     sei.hkeyClass = 0;
1564     sei.dwHotKey = 0;
1565     sei.hProcess = 0;
1566
1567     ShellExecuteExA (&sei);
1568     return sei.hInstApp;
1569 }
1570
1571 /*************************************************************************
1572  * ShellExecuteExA                              [SHELL32.292]
1573  *
1574  */
1575 BOOL WINAPI ShellExecuteExA (LPSHELLEXECUTEINFOA sei)
1576 {
1577     SHELLEXECUTEINFOW seiW;
1578     BOOL ret;
1579     WCHAR *wVerb = NULL, *wFile = NULL, *wParameters = NULL, *wDirectory = NULL, *wClass = NULL;
1580
1581     TRACE("%p\n", sei);
1582
1583     memcpy(&seiW, sei, sizeof(SHELLEXECUTEINFOW));
1584
1585     if (sei->lpVerb)
1586         seiW.lpVerb = __SHCloneStrAtoW(&wVerb, sei->lpVerb);
1587
1588     if (sei->lpFile)
1589         seiW.lpFile = __SHCloneStrAtoW(&wFile, sei->lpFile);
1590
1591     if (sei->lpParameters)
1592         seiW.lpParameters = __SHCloneStrAtoW(&wParameters, sei->lpParameters);
1593
1594     if (sei->lpDirectory)
1595         seiW.lpDirectory = __SHCloneStrAtoW(&wDirectory, sei->lpDirectory);
1596
1597     if ((sei->fMask & SEE_MASK_CLASSALL) == SEE_MASK_CLASSNAME && sei->lpClass)
1598         seiW.lpClass = __SHCloneStrAtoW(&wClass, sei->lpClass);
1599     else
1600         seiW.lpClass = NULL;
1601
1602     ret = SHELL_execute( &seiW, SHELL_ExecuteW );
1603
1604     sei->hInstApp = seiW.hInstApp;
1605
1606     if (sei->fMask & SEE_MASK_NOCLOSEPROCESS)
1607         sei->hProcess = seiW.hProcess;
1608
1609     if (wVerb) SHFree(wVerb);
1610     if (wFile) SHFree(wFile);
1611     if (wParameters) SHFree(wParameters);
1612     if (wDirectory) SHFree(wDirectory);
1613     if (wClass) SHFree(wClass);
1614
1615     return ret;
1616 }
1617
1618 /*************************************************************************
1619  * ShellExecuteExW                              [SHELL32.293]
1620  *
1621  */
1622 BOOL WINAPI ShellExecuteExW (LPSHELLEXECUTEINFOW sei)
1623 {
1624     return SHELL_execute( sei, SHELL_ExecuteW );
1625 }
1626
1627 /*************************************************************************
1628  * ShellExecuteW                        [SHELL32.294]
1629  * from shellapi.h
1630  * WINSHELLAPI HINSTANCE APIENTRY ShellExecuteW(HWND hwnd, LPCWSTR lpOperation,
1631  * LPCWSTR lpFile, LPCWSTR lpParameters, LPCWSTR lpDirectory, INT nShowCmd);
1632  */
1633 HINSTANCE WINAPI ShellExecuteW(HWND hwnd, LPCWSTR lpOperation, LPCWSTR lpFile,
1634                                LPCWSTR lpParameters, LPCWSTR lpDirectory, INT nShowCmd)
1635 {
1636     SHELLEXECUTEINFOW sei;
1637
1638     TRACE("\n");
1639     sei.cbSize = sizeof(sei);
1640     sei.fMask = 0;
1641     sei.hwnd = hwnd;
1642     sei.lpVerb = lpOperation;
1643     sei.lpFile = lpFile;
1644     sei.lpParameters = lpParameters;
1645     sei.lpDirectory = lpDirectory;
1646     sei.nShow = nShowCmd;
1647     sei.lpIDList = 0;
1648     sei.lpClass = 0;
1649     sei.hkeyClass = 0;
1650     sei.dwHotKey = 0;
1651     sei.hProcess = 0;
1652
1653     SHELL_execute( &sei, SHELL_ExecuteW );
1654     return sei.hInstApp;
1655 }