dlls/shell32/shlexec.c

   1 /*
   2  *                              Shell Library Functions
   3  *
   4  * Copyright 1998 Marcus Meissner
   5  * Copyright 2002 Eric Pouech
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  */
  21
  22 #include "config.h"
  23 #include "wine/port.h"
  24
  25 #include <stdlib.h>
  26 #include <string.h>
  27 #include <stdarg.h>
  28 #include <stdio.h>
  29 #ifdef HAVE_UNISTD_H
  30 # include <unistd.h>
  31 #endif
  32 #include <ctype.h>
  33 #include <assert.h>
  34
  35 #include "windef.h"
  36 #include "winbase.h"
  37 #include "winerror.h"
  38 #include "winreg.h"
  39 #include "wownt32.h"
  40 #include "shellapi.h"
  41 #include "wingdi.h"
  42 #include "winuser.h"
  43 #include "shlobj.h"
  44 #include "shlwapi.h"
  45 #include "ddeml.h"
  46
  47 #include "wine/winbase16.h"
  48 #include "shell32_main.h"
  49 #include "undocshell.h"
  50
  51 #include "wine/debug.h"
  52
  53 WINE_DEFAULT_DEBUG_CHANNEL(exec);
  54
  55 static const WCHAR wszOpen[] = {'o','p','e','n',0};
  56 static const WCHAR wszExe[] = {'.','e','x','e',0};
  57 static const WCHAR wszILPtr[] = {':','%','p',0};
  58 static const WCHAR wszShell[] = {'\\','s','h','e','l','l','\\',0};
  59
  60
  61 /***********************************************************************
  62  *      SHELL_ArgifyW [Internal]
  63  *
  64  * this function is supposed to expand the escape sequences found in the registry
  65  * some diving reported that the following were used:
  66  * + %1, %2...  seem to report to parameter of index N in ShellExecute pmts
  67  *      %1 file
  68  *      %2 printer
  69  *      %3 driver
  70  *      %4 port
  71  * %I address of a global item ID (explorer switch /idlist)
  72  * %L seems to be %1 as long filename followed by the 8+3 variation
  73  * %S ???
  74  * %* all following parameters (see batfile)
  75  *
  76  * FIXME: use 'len'
  77  */
  78 static BOOL SHELL_ArgifyW(WCHAR* out, int len, const WCHAR* fmt, const WCHAR* lpFile, LPITEMIDLIST pidl, LPCWSTR args)
  79 {
  80     WCHAR   xlpFile[1024];
  81     BOOL    done = FALSE;
  82     PWSTR   res = out;
  83     PCWSTR  cmd;
  84     LPVOID  pv;
  85
  86     while (*fmt)
  87     {
  88         if (*fmt == '%')
  89         {
  90             switch (*++fmt)
  91             {
  92             case '\0':
  93             case '%':
  94                 *res++ = '%';
  95                 break;
  96
  97             case '2':
  98             case '3':
  99             case '4':
 100             case '5':
 101             case '6':
 102             case '7':
 103             case '8':
 104             case '9':
 105             case '0':
 106             case '*':
 107                 if (args)
 108                 {
 109                     if (*fmt == '*')
 110                     {
 111                         *res++ = '"';
 112                         while(*args)
 113                             *res++ = *args++;
 114                         *res++ = '"';
 115                     }
 116                     else
 117                     {
 118                         while(*args && !isspace(*args))
 119                             *res++ = *args++;
 120
 121                         while(isspace(*args))
 122                             ++args;
 123                     }
 124                     break;
 125                 }
 126                 /* else fall through */
 127             case '1':
 128                 if (!done || (*fmt == '1'))
 129                 {
 130                     /*FIXME Is the call to SearchPathW() really needed? We already have separated out the parameter string in args. */
 131                     if (SearchPathW(NULL, lpFile, wszExe, sizeof(xlpFile)/sizeof(WCHAR), xlpFile, NULL))
 132                         cmd = xlpFile;
 133                     else
 134                         cmd = lpFile;
 135
 136                     /* Add double quotation marks unless we already have them (e.g.: "%1" %* for exefile) */
 137                     if (res==out || res[-1]!='"')
 138                     {
 139                         *res++ = '"';
 140                         strcpyW(res, cmd);
 141                         res += strlenW(cmd);
 142                         *res++ = '"';
 143                     }
 144                     else
 145                     {
 146                         strcpyW(res, cmd);
 147                         res += strlenW(cmd);
 148                     }
 149                 }
 150                 break;
 151
 152             /*
 153              * IE uses this alot for activating things such as windows media
 154              * player. This is not verified to be fully correct but it appears
 155              * to work just fine.
 156              */
 157             case 'l':
 158             case 'L':
 159                 if (lpFile) {
 160                     strcpyW(res, lpFile);
 161                     res += strlenW(lpFile);
 162                 }
 163                 break;
 164
 165             case 'i':
 166             case 'I':
 167                 if (pidl) {
 168                     HGLOBAL hmem = SHAllocShared(pidl, ILGetSize(pidl), 0);
 169                     pv = SHLockShared(hmem, 0);
 170                     res += sprintfW(res, wszILPtr, pv);
 171                     SHUnlockShared(pv);
 172                 }
 173                 break;
 174
 175             default: FIXME("Unknown escape sequence %%%c\n", *fmt);
 176             }
 177             fmt++;
 178             done = TRUE;
 179         }
 180         else
 181             *res++ = *fmt++;
 182     }
 183
 184     *res = '\0';
 185
 186     return done;
 187 }
 188
 189 /*************************************************************************
 190  *      SHELL_ExecuteW [Internal]
 191  *
 192  */
 193 static UINT SHELL_ExecuteW(const WCHAR *lpCmd, void *env, BOOL shWait,
 194                             LPSHELLEXECUTEINFOW psei, LPSHELLEXECUTEINFOW psei_out)
 195 {
 196     STARTUPINFOW  startup;
 197     PROCESS_INFORMATION info;
 198     UINT retval = 31;
 199     UINT gcdret = 0;
 200     WCHAR curdir[MAX_PATH];
 201
 202     TRACE("Execute %s from directory %s\n", debugstr_w(lpCmd), debugstr_w(psei->lpDirectory));
 203     /* ShellExecute specifies the command from psei->lpDirectory
 204      * if present. Not from the current dir as CreateProcess does */
 205     if( psei->lpDirectory && psei->lpDirectory[0] )
 206         if( ( gcdret = GetCurrentDirectoryW( MAX_PATH, curdir)))
 207             if( !SetCurrentDirectoryW( psei->lpDirectory))
 208                 ERR("cannot set directory %s\n", debugstr_w(psei->lpDirectory));
 209     ZeroMemory(&startup,sizeof(STARTUPINFOW));
 210     startup.cb = sizeof(STARTUPINFOW);
 211     startup.dwFlags = STARTF_USESHOWWINDOW;
 212     startup.wShowWindow = psei->nShow;
 213     if (CreateProcessW(NULL, (LPWSTR)lpCmd, NULL, NULL, FALSE, 0,
 214                        env, *psei->lpDirectory? psei->lpDirectory: NULL, &startup, &info))
 215     {
 216         /* Give 30 seconds to the app to come up, if desired. Probably only needed
 217            when starting app immediately before making a DDE connection. */
 218         if (shWait)
 219             if (WaitForInputIdle( info.hProcess, 30000 ) == -1)
 220                 WARN("WaitForInputIdle failed: Error %ld\n", GetLastError() );
 221         retval = 33;
 222         if (psei->fMask & SEE_MASK_NOCLOSEPROCESS)
 223             psei_out->hProcess = info.hProcess;
 224         else
 225             CloseHandle( info.hProcess );
 226         CloseHandle( info.hThread );
 227     }
 228     else if ((retval = GetLastError()) >= 32)
 229     {
 230         FIXME("Strange error set by CreateProcess: %d\n", retval);
 231         retval = ERROR_BAD_FORMAT;
 232     }
 233
 234     TRACE("returning %u\n", retval);
 235
 236     psei_out->hInstApp = (HINSTANCE)retval;
 237     if( gcdret )
 238         if( !SetCurrentDirectoryW( curdir))
 239             ERR("cannot return to directory %s\n", debugstr_w(curdir));
 240
 241     return retval;
 242 }
 243
 244
 245 /***********************************************************************
 246  *           SHELL_BuildEnvW    [Internal]
 247  *
 248  * Build the environment for the new process, adding the specified
 249  * path to the PATH variable. Returned pointer must be freed by caller.
 250  */
 251 static void *SHELL_BuildEnvW( const WCHAR *path )
 252 {
 253     static const WCHAR wPath[] = {'P','A','T','H','=',0};
 254     WCHAR *strings, *new_env;
 255     WCHAR *p, *p2;
 256     int total = strlenW(path) + 1;
 257     BOOL got_path = FALSE;
 258
 259     if (!(strings = GetEnvironmentStringsW())) return NULL;
 260     p = strings;
 261     while (*p)
 262     {
 263         int len = strlenW(p) + 1;
 264         if (!strncmpiW( p, wPath, 5 )) got_path = TRUE;
 265         total += len;
 266         p += len;
 267     }
 268     if (!got_path) total += 5;  /* we need to create PATH */
 269     total++;  /* terminating null */
 270
 271     if (!(new_env = HeapAlloc( GetProcessHeap(), 0, total * sizeof(WCHAR) )))
 272     {
 273         FreeEnvironmentStringsW( strings );
 274         return NULL;
 275     }
 276     p = strings;
 277     p2 = new_env;
 278     while (*p)
 279     {
 280         int len = strlenW(p) + 1;
 281         memcpy( p2, p, len * sizeof(WCHAR) );
 282         if (!strncmpiW( p, wPath, 5 ))
 283         {
 284             p2[len - 1] = ';';
 285             strcpyW( p2 + len, path );
 286             p2 += strlenW(path) + 1;
 287         }
 288         p += len;
 289         p2 += len;
 290     }
 291     if (!got_path)
 292     {
 293         strcpyW( p2, wPath );
 294         strcatW( p2, path );
 295         p2 += strlenW(p2) + 1;
 296     }
 297     *p2 = 0;
 298     FreeEnvironmentStringsW( strings );
 299     return new_env;
 300 }
 301
 302
 303 /***********************************************************************
 304  *           SHELL_TryAppPathW  [Internal]
 305  *
 306  * Helper function for SHELL_FindExecutable
 307  * @param lpResult - pointer to a buffer of size MAX_PATH
 308  * On entry: szName is a filename (probably without path separators).
 309  * On exit: if szName found in "App Path", place full path in lpResult, and return true
 310  */
 311 static BOOL SHELL_TryAppPathW( LPCWSTR szName, LPWSTR lpResult, void**env)
 312 {
 313     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',
 314         '\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\','A','p','p',' ','P','a','t','h','s','\\',0};
 315     static const WCHAR wPath[] = {'P','a','t','h',0};
 316     HKEY hkApp = 0;
 317     WCHAR buffer[1024];
 318     LONG len;
 319     LONG res;
 320     BOOL found = FALSE;
 321
 322     if (env) *env = NULL;
 323     strcpyW(buffer, wszKeyAppPaths);
 324     strcatW(buffer, szName);
 325     res = RegOpenKeyExW(HKEY_LOCAL_MACHINE, buffer, 0, KEY_READ, &hkApp);
 326     if (res) goto end;
 327
 328     len = MAX_PATH*sizeof(WCHAR);
 329     res = RegQueryValueW(hkApp, NULL, lpResult, &len);
 330     if (res) goto end;
 331     found = TRUE;
 332
 333     if (env)
 334     {
 335         DWORD count = sizeof(buffer);
 336         if (!RegQueryValueExW(hkApp, wPath, NULL, NULL, (LPBYTE)buffer, &count) && buffer[0])
 337             *env = SHELL_BuildEnvW( buffer );
 338     }
 339
 340 end:
 341     if (hkApp) RegCloseKey(hkApp);
 342     return found;
 343 }
 344
 345 static UINT SHELL_FindExecutableByOperation(LPCWSTR lpPath, LPCWSTR lpFile, LPCWSTR lpOperation, LPWSTR key, LPWSTR filetype, LPWSTR command, LONG commandlen)
 346 {
 347     static const WCHAR wCommand[] = {'\\','c','o','m','m','a','n','d',0};
 348
 349     /* Looking for ...buffer\shell\<verb>\command */
 350     strcatW(filetype, wszShell);
 351     strcatW(filetype, lpOperation);
 352     strcatW(filetype, wCommand);
 353
 354     if (RegQueryValueW(HKEY_CLASSES_ROOT, filetype, command,
 355                        &commandlen) == ERROR_SUCCESS)
 356     {
 357         commandlen /= sizeof(WCHAR);
 358         if (key) strcpyW(key, filetype);
 359 #if 0
 360         LPWSTR tmp;
 361         WCHAR param[256];
 362         LONG paramlen = sizeof(param);
 363         static const WCHAR wSpace[] = {' ',0};
 364
 365         /* FIXME: it seems all Windows version don't behave the same here.
 366          * the doc states that this ddeexec information can be found after
 367          * the exec names.
 368          * on Win98, it doesn't appear, but I think it does on Win2k
 369          */
 370         /* Get the parameters needed by the application
 371            from the associated ddeexec key */
 372         tmp = strstrW(filetype, wCommand);
 373         tmp[0] = '\0';
 374         strcatW(filetype, wDdeexec);
 375         if (RegQueryValueW(HKEY_CLASSES_ROOT, filetype, param,
 376                                      &paramlen) == ERROR_SUCCESS)
 377         {
 378             paramlen /= sizeof(WCHAR);
 379             strcatW(command, wSpace);
 380             strcatW(command, param);
 381             commandlen += paramlen;
 382         }
 383 #endif
 384
 385         command[commandlen] = '\0';
 386
 387         return 33; /* FIXME see SHELL_FindExecutable() */
 388     }
 389
 390     return 31;  /* default - 'No association was found' */
 391 }
 392
 393 /*************************************************************************
 394  *      SHELL_FindExecutable [Internal]
 395  *
 396  * Utility for code sharing between FindExecutable and ShellExecute
 397  * in:
 398  *      lpFile the name of a file
 399  *      lpOperation the operation on it (open)
 400  * out:
 401  *      lpResult a buffer, big enough :-(, to store the command to do the
 402  *              operation on the file
 403  *      key a buffer, big enough, to get the key name to do actually the
 404  *              command (it'll be used afterwards for more information
 405  *              on the operation)
 406  */
 407 UINT SHELL_FindExecutable(LPCWSTR lpPath, LPCWSTR lpFile, LPCWSTR lpOperation,
 408                                  LPWSTR lpResult, int resultLen, LPWSTR key, void **env, LPITEMIDLIST pidl, LPCWSTR args)
 409 {
 410     static const WCHAR wWindows[] = {'w','i','n','d','o','w','s',0};
 411     static const WCHAR wPrograms[] = {'p','r','o','g','r','a','m','s',0};
 412     static const WCHAR wExtensions[] = {'e','x','e',' ','p','i','f',' ','b','a','t',' ','c','m','d',' ','c','o','m',0};
 413     WCHAR *extension = NULL; /* pointer to file extension */
 414     WCHAR wtmpext[5];        /* local copy to mung as we please */
 415     WCHAR filetype[256];     /* registry name for this filetype */
 416     LONG  filetypelen = sizeof(filetype); /* length of above */
 417     WCHAR command[256];      /* command from registry */
 418     WCHAR wBuffer[256];      /* Used to GetProfileString */
 419     UINT  retval = 31;       /* default - 'No association was found' */
 420     WCHAR *tok;              /* token pointer */
 421     WCHAR xlpFile[256] = {0}; /* result of SearchPath */
 422
 423     TRACE("%s\n", (lpFile != NULL) ? debugstr_w(lpFile) : "-");
 424
 425     lpResult[0] = '\0'; /* Start off with an empty return string */
 426     if (key) *key = '\0';
 427
 428     /* trap NULL parameters on entry */
 429     if ((lpFile == NULL) || (lpResult == NULL) || (lpOperation == NULL))
 430     {
 431         WARN("(lpFile=%s,lpResult=%s,lpOperation=%s): NULL parameter\n",
 432              debugstr_w(lpFile), debugstr_w(lpOperation), debugstr_w(lpResult));
 433         return 2; /* File not found. Close enough, I guess. */
 434     }
 435
 436     if (SHELL_TryAppPathW( lpFile, lpResult, env ))
 437     {
 438         TRACE("found %s via App Paths\n", debugstr_w(lpResult));
 439         return 33;
 440     }
 441
 442     if (SearchPathW(lpPath, lpFile, wszExe, sizeof(xlpFile)/sizeof(WCHAR), xlpFile, NULL))
 443     {
 444         TRACE("SearchPathW returned non-zero\n");
 445         lpFile = xlpFile;
 446         /* Hey, isn't this value ignored?  Why make this call?  Shouldn't we return here?  --dank*/
 447     }
 448
 449     /* First thing we need is the file's extension */
 450     extension = strrchrW(xlpFile, '.'); /* Assume last "." is the one; */
 451                                        /* File->Run in progman uses */
 452                                        /* .\FILE.EXE :( */
 453     TRACE("xlpFile=%s,extension=%s\n", debugstr_w(xlpFile), debugstr_w(extension));
 454
 455     if ((extension == NULL) || (extension == &xlpFile[strlenW(xlpFile)]))
 456     {
 457         WARN("Returning 31 - No association\n");
 458         return 31; /* no association */
 459     }
 460
 461     /* Make local copy & lowercase it for reg & 'programs=' lookup */
 462     lstrcpynW(wtmpext, extension, 5);
 463     CharLowerW(wtmpext);
 464     TRACE("%s file\n", debugstr_w(wtmpext));
 465
 466     /* Three places to check: */
 467     /* 1. win.ini, [windows], programs (NB no leading '.') */
 468     /* 2. Registry, HKEY_CLASS_ROOT\<filetype>\shell\open\command */
 469     /* 3. win.ini, [extensions], extension (NB no leading '.' */
 470     /* All I know of the order is that registry is checked before */
 471     /* extensions; however, it'd make sense to check the programs */
 472     /* section first, so that's what happens here. */
 473
 474     /* See if it's a program - if GetProfileString fails, we skip this
 475      * section. Actually, if GetProfileString fails, we've probably
 476      * got a lot more to worry about than running a program... */
 477     if (GetProfileStringW(wWindows, wPrograms, wExtensions, wBuffer, sizeof(wBuffer)/sizeof(WCHAR)) > 0)
 478     {
 479         CharLowerW(wBuffer);
 480         tok = wBuffer;
 481         while (*tok)
 482         {
 483             WCHAR *p = tok;
 484             while (*p && *p != ' ' && *p != '\t') p++;
 485             if (*p)
 486             {
 487                 *p++ = 0;
 488                 while (*p == ' ' || *p == '\t') p++;
 489             }
 490
 491             if (strcmpW(tok, &wtmpext[1]) == 0) /* have to skip the leading "." */
 492             {
 493                 strcpyW(lpResult, xlpFile);
 494                 /* Need to perhaps check that the file has a path
 495                  * attached */
 496                 TRACE("found %s\n", debugstr_w(lpResult));
 497                 return 33;
 498
 499                 /* Greater than 32 to indicate success FIXME According to the
 500                  * docs, I should be returning a handle for the
 501                  * executable. Does this mean I'm supposed to open the
 502                  * executable file or something? More RTFM, I guess... */
 503             }
 504             tok = p;
 505         }
 506     }
 507
 508     /* Check registry */
 509     if (RegQueryValueW(HKEY_CLASSES_ROOT, wtmpext, filetype,
 510                         &filetypelen) == ERROR_SUCCESS)
 511     {
 512         filetypelen /= sizeof(WCHAR);
 513         filetype[filetypelen] = '\0';
 514         TRACE("File type: %s\n", debugstr_w(filetype));
 515     }
 516
 517     if (*filetype)
 518     {
 519         if (lpOperation)
 520         {
 521             /* pass the operation string to SHELL_FindExecutableByOperation() */
 522             filetype[filetypelen] = '\0';
 523             retval = SHELL_FindExecutableByOperation(lpPath, lpFile, lpOperation, key, filetype, command, sizeof(command));
 524         }
 525         else
 526         {
 527             WCHAR operation[MAX_PATH];
 528             HKEY hkey;
 529
 530             /* Looking for ...buffer\shell\<operation>\command */
 531             strcatW(filetype, wszShell);
 532
 533             /* enumerate the operation subkeys in the registry and search for one with an associated command */
 534             if (RegOpenKeyW(HKEY_CLASSES_ROOT, filetype, &hkey) == ERROR_SUCCESS)
 535             {
 536                 int idx = 0;
 537                 for(;; ++idx)
 538                 {
 539                     if (RegEnumKeyW(hkey, idx, operation, MAX_PATH) != ERROR_SUCCESS)
 540                         break;
 541
 542                     filetype[filetypelen] = '\0';
 543                     retval = SHELL_FindExecutableByOperation(lpPath, lpFile, operation, key, filetype, command, sizeof(command));
 544
 545                     if (retval > 32)
 546                         break;
 547             }
 548                 RegCloseKey(hkey);
 549             }
 550         }
 551
 552         if (retval > 32)
 553         {
 554             SHELL_ArgifyW(lpResult, resultLen, command, xlpFile, pidl, args);
 555
 556             /* Remove double quotation marks and command line arguments */
 557             if (*lpResult == '"')
 558             {
 559                 WCHAR *p = lpResult;
 560                 while (*(p + 1) != '"')
 561                 {
 562                     *p = *(p + 1);
 563                     p++;
 564                 }
 565                 *p = '\0';
 566             }
 567         }
 568     }
 569     else /* Check win.ini */
 570     {
 571         static const WCHAR wExtensions[] = {'e','x','t','e','n','s','i','o','n','s',0};
 572         static const WCHAR wEmpty[] = {0};
 573
 574         /* Toss the leading dot */
 575         extension++;
 576         if (GetProfileStringW(wExtensions, extension, wEmpty, command, sizeof(command)/sizeof(WCHAR)) > 0)
 577         {
 578             if (strlenW(command) != 0)
 579             {
 580                 strcpyW(lpResult, command);
 581                 tok = strchrW(lpResult, '^'); /* should be ^.extension? */
 582                 if (tok != NULL)
 583                 {
 584                     tok[0] = '\0';
 585                     strcatW(lpResult, xlpFile); /* what if no dir in xlpFile? */
 586                     tok = strchrW(command, '^'); /* see above */
 587                     if ((tok != NULL) && (strlenW(tok)>5))
 588                     {
 589                         strcatW(lpResult, &tok[5]);
 590                     }
 591                 }
 592                 retval = 33; /* FIXME - see above */
 593             }
 594         }
 595     }
 596
 597     TRACE("returning %s\n", debugstr_w(lpResult));
 598     return retval;
 599 }
 600
 601 /******************************************************************
 602  *              dde_cb
 603  *
 604  * callback for the DDE connection. not really usefull
 605  */
 606 static HDDEDATA CALLBACK dde_cb(UINT uType, UINT uFmt, HCONV hConv,
 607                                 HSZ hsz1, HSZ hsz2,
 608                                 HDDEDATA hData, DWORD dwData1, DWORD dwData2)
 609 {
 610     return NULL;
 611 }
 612
 613 /******************************************************************
 614  *              dde_connect
 615  *
 616  * ShellExecute helper. Used to do an operation with a DDE connection
 617  *
 618  * Handles both the direct connection (try #1), and if it fails,
 619  * launching an application and trying (#2) to connect to it
 620  *
 621  */
 622 static unsigned dde_connect(WCHAR* key, WCHAR* start, WCHAR* ddeexec,
 623                             const WCHAR* lpFile, void *env,
 624                             LPCWSTR szCommandline, LPITEMIDLIST pidl, SHELL_ExecuteW32 execfunc,
 625                             LPSHELLEXECUTEINFOW psei, LPSHELLEXECUTEINFOW psei_out)
 626 {
 627     static const WCHAR wApplication[] = {'\\','a','p','p','l','i','c','a','t','i','o','n',0};
 628     static const WCHAR wTopic[] = {'\\','t','o','p','i','c',0};
 629     WCHAR *     endkey = key + strlenW(key);
 630     WCHAR       app[256], topic[256], ifexec[256], res[256];
 631     LONG        applen, topiclen, ifexeclen;
 632     WCHAR *     exec;
 633     DWORD       ddeInst = 0;
 634     DWORD       tid;
 635     HSZ         hszApp, hszTopic;
 636     HCONV       hConv;
 637     unsigned    ret = 31;
 638
 639     strcpyW(endkey, wApplication);
 640     applen = sizeof(app);
 641     if (RegQueryValueW(HKEY_CLASSES_ROOT, key, app, &applen) != ERROR_SUCCESS)
 642     {
 643         FIXME("default app name NIY %s\n", debugstr_w(key));
 644         return 2;
 645     }
 646
 647     strcpyW(endkey, wTopic);
 648     topiclen = sizeof(topic);
 649     if (RegQueryValueW(HKEY_CLASSES_ROOT, key, topic, &topiclen) != ERROR_SUCCESS)
 650     {
 651         static const WCHAR wSystem[] = {'S','y','s','t','e','m',0};
 652         strcpyW(topic, wSystem);
 653     }
 654
 655     if (DdeInitializeW(&ddeInst, dde_cb, APPCMD_CLIENTONLY, 0L) != DMLERR_NO_ERROR)
 656     {
 657         return 2;
 658     }
 659
 660     hszApp = DdeCreateStringHandleW(ddeInst, app, CP_WINANSI);
 661     hszTopic = DdeCreateStringHandleW(ddeInst, topic, CP_WINANSI);
 662
 663     hConv = DdeConnect(ddeInst, hszApp, hszTopic, NULL);
 664     exec = ddeexec;
 665     if (!hConv)
 666     {
 667         static const WCHAR wIfexec[] = {'\\','i','f','e','x','e','c',0};
 668         TRACE("Launching '%s'\n", debugstr_w(start));
 669         ret = execfunc(start, env, TRUE, psei, psei_out);
 670         if (ret < 32)
 671         {
 672             TRACE("Couldn't launch\n");
 673             goto error;
 674         }
 675         hConv = DdeConnect(ddeInst, hszApp, hszTopic, NULL);
 676         if (!hConv)
 677         {
 678             TRACE("Couldn't connect. ret=%d\n", ret);
 679             DdeUninitialize(ddeInst);
 680             SetLastError(ERROR_DDE_FAIL);
 681             return 30; /* whatever */
 682         }
 683         strcpyW(endkey, wIfexec);
 684         ifexeclen = sizeof(ifexec);
 685         if (RegQueryValueW(HKEY_CLASSES_ROOT, key, ifexec, &ifexeclen) == ERROR_SUCCESS)
 686         {
 687             exec = ifexec;
 688         }
 689     }
 690
 691     SHELL_ArgifyW(res, sizeof(res)/sizeof(WCHAR), exec, lpFile, pidl, szCommandline);
 692     TRACE("%s %s => %s\n", debugstr_w(exec), debugstr_w(lpFile), debugstr_w(res));
 693
 694     ret = (DdeClientTransaction((LPBYTE)res, (strlenW(res) + 1) * sizeof(WCHAR), hConv, 0L, 0,
 695                                 XTYP_EXECUTE, 10000, &tid) != DMLERR_NO_ERROR) ? 31 : 33;
 696     DdeDisconnect(hConv);
 697
 698  error:
 699     DdeUninitialize(ddeInst);
 700
 701     return ret;
 702 }
 703
 704 /*************************************************************************
 705  *      execute_from_key [Internal]
 706  */
 707 static UINT execute_from_key(LPWSTR key, LPCWSTR lpFile, void *env, LPCWSTR szCommandline,
 708                              SHELL_ExecuteW32 execfunc,
 709                              LPSHELLEXECUTEINFOW psei, LPSHELLEXECUTEINFOW psei_out)
 710 {
 711     WCHAR cmd[1024] = {0};
 712     LONG cmdlen = sizeof(cmd);
 713     UINT retval = 31;
 714
 715     /* Get the application for the registry */
 716     if (RegQueryValueW(HKEY_CLASSES_ROOT, key, cmd, &cmdlen) == ERROR_SUCCESS)
 717     {
 718         static const WCHAR wCommand[] = {'c','o','m','m','a','n','d',0};
 719         static const WCHAR wDdeexec[] = {'d','d','e','e','x','e','c',0};
 720         LPWSTR tmp;
 721         WCHAR param[256] = {0};
 722         LONG paramlen = sizeof(param);
 723
 724         /* Get the parameters needed by the application
 725            from the associated ddeexec key */
 726         tmp = strstrW(key, wCommand);
 727         assert(tmp);
 728         strcpyW(tmp, wDdeexec);
 729
 730         if (RegQueryValueW(HKEY_CLASSES_ROOT, key, param, &paramlen) == ERROR_SUCCESS)
 731         {
 732             TRACE("Got ddeexec %s => %s\n", debugstr_w(key), debugstr_w(param));
 733             retval = dde_connect(key, cmd, param, lpFile, env, szCommandline, psei->lpIDList, execfunc, psei, psei_out);
 734         }
 735         else
 736         {
 737             /* Is there a replace() function anywhere? */
 738             cmdlen /= sizeof(WCHAR);
 739             cmd[cmdlen] = '\0';
 740             SHELL_ArgifyW(param, sizeof(param)/sizeof(WCHAR), cmd, lpFile, psei->lpIDList, szCommandline);
 741             retval = execfunc(param, env, FALSE, psei, psei_out);
 742         }
 743     }
 744     else TRACE("ooch\n");
 745
 746     return retval;
 747 }
 748
 749 /*************************************************************************
 750  * FindExecutableA                      [SHELL32.@]
 751  */
 752 HINSTANCE WINAPI FindExecutableA(LPCSTR lpFile, LPCSTR lpDirectory, LPSTR lpResult)
 753 {
 754     HINSTANCE retval;
 755     WCHAR *wFile = NULL, *wDirectory = NULL;
 756     WCHAR wResult[MAX_PATH];
 757
 758     if (lpFile) __SHCloneStrAtoW(&wFile, lpFile);
 759     if (lpDirectory) __SHCloneStrAtoW(&wDirectory, lpDirectory);
 760
 761     retval = FindExecutableW(wFile, wDirectory, wResult);
 762     WideCharToMultiByte(CP_ACP, 0, wResult, -1, lpResult, MAX_PATH, NULL, NULL);
 763     if (wFile) SHFree( wFile );
 764     if (wDirectory) SHFree( wDirectory );
 765
 766     TRACE("returning %s\n", lpResult);
 767     return (HINSTANCE)retval;
 768 }
 769
 770 /*************************************************************************
 771  * FindExecutableW                      [SHELL32.@]
 772  */
 773 HINSTANCE WINAPI FindExecutableW(LPCWSTR lpFile, LPCWSTR lpDirectory, LPWSTR lpResult)
 774 {
 775     UINT retval = 31;    /* default - 'No association was found' */
 776     WCHAR old_dir[1024];
 777
 778     TRACE("File %s, Dir %s\n",
 779           (lpFile != NULL ? debugstr_w(lpFile) : "-"), (lpDirectory != NULL ? debugstr_w(lpDirectory) : "-"));
 780
 781     lpResult[0] = '\0'; /* Start off with an empty return string */
 782
 783     /* trap NULL parameters on entry */
 784     if ((lpFile == NULL) || (lpResult == NULL))
 785     {
 786         /* FIXME - should throw a warning, perhaps! */
 787         return (HINSTANCE)2; /* File not found. Close enough, I guess. */
 788     }
 789
 790     if (lpDirectory)
 791     {
 792         GetCurrentDirectoryW(sizeof(old_dir)/sizeof(WCHAR), old_dir);
 793         SetCurrentDirectoryW(lpDirectory);
 794     }
 795
 796     retval = SHELL_FindExecutable(lpDirectory, lpFile, wszOpen, lpResult, MAX_PATH, NULL, NULL, NULL, NULL);
 797
 798     TRACE("returning %s\n", debugstr_w(lpResult));
 799     if (lpDirectory)
 800         SetCurrentDirectoryW(old_dir);
 801     return (HINSTANCE)retval;
 802 }
 803
 804 /*************************************************************************
 805  *      ShellExecuteExW32 [Internal]
 806  */
 807 BOOL WINAPI ShellExecuteExW32 (LPSHELLEXECUTEINFOW sei, SHELL_ExecuteW32 execfunc)
 808 {
 809     static const WCHAR wQuote[] = {'"',0};
 810     static const WCHAR wSpace[] = {' ',0};
 811     static const WCHAR wWww[] = {'w','w','w',0};
 812     static const WCHAR wFile[] = {'f','i','l','e',0};
 813     static const WCHAR wHttp[] = {'h','t','t','p',':','/','/',0};
 814
 815     WCHAR wszApplicationName[MAX_PATH+2], wszCommandline[1024], wszDir[MAX_PATH];
 816     SHELLEXECUTEINFOW sei_tmp;  /* modifyable copy of SHELLEXECUTEINFO struct */
 817     WCHAR wfileName[MAX_PATH];
 818     void *env;
 819     WCHAR lpstrProtocol[256];
 820     LPCWSTR lpFile;
 821     UINT retval = 31;
 822     WCHAR wcmd[1024];
 823     WCHAR buffer[MAX_PATH];
 824     BOOL done;
 825
 826     /* make a local copy of the LPSHELLEXECUTEINFO structure and work with this from now on */
 827     memcpy(&sei_tmp, sei, sizeof(sei_tmp));
 828
 829     TRACE("mask=0x%08lx hwnd=%p verb=%s file=%s parm=%s dir=%s show=0x%08x class=%s\n",
 830             sei_tmp.fMask, sei_tmp.hwnd, debugstr_w(sei_tmp.lpVerb),
 831             debugstr_w(sei_tmp.lpFile), debugstr_w(sei_tmp.lpParameters),
 832             debugstr_w(sei_tmp.lpDirectory), sei_tmp.nShow,
 833             (sei_tmp.fMask & SEE_MASK_CLASSNAME) ? debugstr_w(sei_tmp.lpClass) : "not used");
 834
 835     sei->hProcess = NULL;
 836
 837     /* make copies of all path/command strings */
 838     if (sei_tmp.lpFile)
 839         strcpyW(wszApplicationName, sei_tmp.lpFile);
 840     else
 841         *wszApplicationName = '\0';
 842
 843     if (sei_tmp.lpParameters)
 844         strcpyW(wszCommandline, sei_tmp.lpParameters);
 845     else
 846         *wszCommandline = '\0';
 847
 848     if (sei_tmp.lpDirectory)
 849         strcpyW(wszDir, sei_tmp.lpDirectory);
 850     else
 851         *wszDir = '\0';
 852
 853     /* adjust string pointers to point to the new buffers */
 854     sei_tmp.lpFile = wszApplicationName;
 855     sei_tmp.lpParameters = wszCommandline;
 856     sei_tmp.lpDirectory = wszDir;
 857
 858     if (sei_tmp.fMask & (SEE_MASK_INVOKEIDLIST | SEE_MASK_ICON | SEE_MASK_HOTKEY |
 859         SEE_MASK_CONNECTNETDRV | SEE_MASK_FLAG_DDEWAIT |
 860         SEE_MASK_DOENVSUBST | SEE_MASK_FLAG_NO_UI | SEE_MASK_UNICODE |
 861         SEE_MASK_NO_CONSOLE | SEE_MASK_ASYNCOK | SEE_MASK_HMONITOR ))
 862     {
 863         FIXME("flags ignored: 0x%08lx\n", sei_tmp.fMask);
 864     }
 865
 866     /* process the IDList */
 867     if ((sei_tmp.fMask & SEE_MASK_INVOKEIDLIST) == SEE_MASK_INVOKEIDLIST) /*0x0c*/
 868     {
 869         wszApplicationName[0] = '"';
 870         SHGetPathFromIDListW(sei_tmp.lpIDList, wszApplicationName+1);
 871         strcatW(wszApplicationName, wQuote);
 872         TRACE("-- idlist=%p (%s)\n", sei_tmp.lpIDList, debugstr_w(wszApplicationName));
 873     }
 874
 875     if (sei_tmp.fMask & (SEE_MASK_CLASSNAME | SEE_MASK_CLASSKEY))
 876     {
 877         /* launch a document by fileclass like 'WordPad.Document.1' */
 878         /* the Commandline contains 'c:\Path\wordpad.exe "%1"' */
 879         /* FIXME: szCommandline should not be of a fixed size. Fixed to 1024, MAX_PATH is way too short! */
 880         HCR_GetExecuteCommandW((sei_tmp.fMask & SEE_MASK_CLASSKEY) ? sei_tmp.hkeyClass : NULL,
 881                                (sei_tmp.fMask & SEE_MASK_CLASSNAME) ? sei_tmp.lpClass: NULL,
 882                                (sei_tmp.lpVerb) ? sei_tmp.lpVerb : wszOpen,
 883                                wszCommandline, sizeof(wszCommandline)/sizeof(WCHAR));
 884
 885         /* FIXME: get the extension of lpFile, check if it fits to the lpClass */
 886         TRACE("SEE_MASK_CLASSNAME->'%s', doc->'%s'\n", debugstr_w(wszCommandline), debugstr_w(wszApplicationName));
 887
 888         wcmd[0] = '\0';
 889         done = SHELL_ArgifyW(wcmd, sizeof(wcmd)/sizeof(WCHAR), wszCommandline, wszApplicationName, sei_tmp.lpIDList, NULL);
 890         if (!done && wszApplicationName[0])
 891         {
 892             strcatW(wcmd, wSpace);
 893             strcatW(wcmd, wszApplicationName);
 894         }
 895         retval = execfunc(wcmd, NULL, FALSE, &sei_tmp, sei);
 896         if (retval > 32)
 897             return TRUE;
 898         else
 899             return FALSE;
 900     }
 901
 902     /* expand environment strings */
 903     if (ExpandEnvironmentStringsW(sei_tmp.lpFile, buffer, MAX_PATH))
 904         lstrcpyW(wszApplicationName, buffer);
 905
 906     if (*sei_tmp.lpParameters)
 907         if (ExpandEnvironmentStringsW(sei_tmp.lpParameters, buffer, MAX_PATH))
 908             lstrcpyW(wszCommandline, buffer);
 909
 910     if (*sei_tmp.lpDirectory)
 911         if (ExpandEnvironmentStringsW(sei_tmp.lpDirectory, buffer, MAX_PATH))
 912             lstrcpyW(wszDir, buffer);
 913
 914     /* Else, try to execute the filename */
 915     TRACE("execute:'%s','%s','%s'\n", debugstr_w(wszApplicationName), debugstr_w(wszCommandline), debugstr_w(wszDir));
 916
 917     strcpyW(wfileName, wszApplicationName);
 918     lpFile = wfileName;
 919     if (wszCommandline[0]) {
 920         strcatW(wszApplicationName, wSpace);
 921         strcatW(wszApplicationName, wszCommandline);
 922     }
 923
 924     retval = execfunc(wszApplicationName, NULL, FALSE, &sei_tmp, sei);
 925     if (retval > 32)
 926         return TRUE;
 927
 928     /* Else, try to find the executable */
 929     wcmd[0] = '\0';
 930     retval = SHELL_FindExecutable(sei_tmp.lpDirectory, lpFile, sei_tmp.lpVerb, wcmd, 1024, lpstrProtocol, &env, sei_tmp.lpIDList, sei_tmp.lpParameters);
 931     if (retval > 32)  /* Found */
 932     {
 933         WCHAR wszQuotedCmd[MAX_PATH+2];
 934         /* Must quote to handle case where cmd contains spaces,
 935          * else security hole if malicious user creates executable file "C:\\Program"
 936          */
 937         strcpyW(wszQuotedCmd, wQuote);
 938         strcatW(wszQuotedCmd, wcmd);
 939         strcatW(wszQuotedCmd, wQuote);
 940         if (wszCommandline[0]) {
 941             strcatW(wszQuotedCmd, wSpace);
 942             strcatW(wszQuotedCmd, wszCommandline);
 943         }
 944         TRACE("%s/%s => %s/%s\n", debugstr_w(wszApplicationName), debugstr_w(sei_tmp.lpVerb), debugstr_w(wszQuotedCmd), debugstr_w(lpstrProtocol));
 945         if (*lpstrProtocol)
 946             retval = execute_from_key(lpstrProtocol, wszApplicationName, env, sei_tmp.lpParameters, execfunc, &sei_tmp, sei);
 947         else
 948             retval = execfunc(wszQuotedCmd, env, FALSE, &sei_tmp, sei);
 949         if (env) HeapFree( GetProcessHeap(), 0, env );
 950     }
 951     else if (PathIsURLW((LPWSTR)lpFile))    /* File not found, check for URL */
 952     {
 953         static const WCHAR wShell[] = {'\\','s','h','e','l','l','\\',0};
 954         static const WCHAR wCommand[] = {'\\','c','o','m','m','a','n','d',0};
 955         LPWSTR lpstrRes;
 956         INT iSize;
 957
 958         lpstrRes = strchrW(lpFile, ':');
 959         if (lpstrRes)
 960             iSize = lpstrRes - lpFile;
 961         else
 962             iSize = strlenW(lpFile);
 963
 964         TRACE("Got URL: %s\n", debugstr_w(lpFile));
 965         /* Looking for ...protocol\shell\lpOperation\command */
 966         strncpyW(lpstrProtocol, lpFile, iSize);
 967         lpstrProtocol[iSize] = '\0';
 968         strcatW(lpstrProtocol, wShell);
 969         strcatW(lpstrProtocol, sei_tmp.lpVerb? sei_tmp.lpVerb: wszOpen);
 970         strcatW(lpstrProtocol, wCommand);
 971
 972         /* Remove File Protocol from lpFile */
 973         /* In the case file://path/file     */
 974         if (!strncmpiW(lpFile, wFile, iSize))
 975         {
 976             lpFile += iSize;
 977             while (*lpFile == ':') lpFile++;
 978         }
 979         retval = execute_from_key(lpstrProtocol, lpFile, NULL, sei_tmp.lpParameters, execfunc, &sei_tmp, sei);
 980     }
 981     /* Check if file specified is in the form www.??????.*** */
 982     else if (!strncmpiW(lpFile, wWww, 3))
 983     {
 984         /* if so, append lpFile http:// and call ShellExecute */
 985         WCHAR lpstrTmpFile[256];
 986         strcpyW(lpstrTmpFile, wHttp);
 987         strcatW(lpstrTmpFile, lpFile);
 988         retval = (UINT)ShellExecuteW(sei_tmp.hwnd, sei_tmp.lpVerb, lpstrTmpFile, NULL, NULL, 0);
 989     }
 990
 991     TRACE("retval %u\n", retval);
 992
 993     if (retval <= 32)
 994     {
 995         sei->hInstApp = (HINSTANCE)retval;
 996         return FALSE;
 997     }
 998
 999     sei->hInstApp = (HINSTANCE)33;
1000     return TRUE;
1001 }
1002
1003 /*************************************************************************
1004  * ShellExecuteA                        [SHELL32.290]
1005  */
1006 HINSTANCE WINAPI ShellExecuteA(HWND hWnd, LPCSTR lpOperation,LPCSTR lpFile,
1007                                LPCSTR lpParameters,LPCSTR lpDirectory, INT iShowCmd)
1008 {
1009     SHELLEXECUTEINFOA sei;
1010     HANDLE hProcess = 0;
1011
1012     TRACE("\n");
1013     sei.cbSize = sizeof(sei);
1014     sei.fMask = 0;
1015     sei.hwnd = hWnd;
1016     sei.lpVerb = lpOperation;
1017     sei.lpFile = lpFile;
1018     sei.lpParameters = lpParameters;
1019     sei.lpDirectory = lpDirectory;
1020     sei.nShow = iShowCmd;
1021     sei.lpIDList = 0;
1022     sei.lpClass = 0;
1023     sei.hkeyClass = 0;
1024     sei.dwHotKey = 0;
1025     sei.hProcess = hProcess;
1026
1027     ShellExecuteExA (&sei);
1028     return sei.hInstApp;
1029 }
1030
1031 /*************************************************************************
1032  * ShellExecuteEx                               [SHELL32.291]
1033  *
1034  */
1035 BOOL WINAPI ShellExecuteExAW (LPVOID sei)
1036 {
1037     if (SHELL_OsIsUnicode())
1038         return ShellExecuteExW32 (sei, SHELL_ExecuteW);
1039     return ShellExecuteExA (sei);
1040 }
1041
1042 /*************************************************************************
1043  * ShellExecuteExA                              [SHELL32.292]
1044  *
1045  */
1046 BOOL WINAPI ShellExecuteExA (LPSHELLEXECUTEINFOA sei)
1047 {
1048     SHELLEXECUTEINFOW seiW;
1049     BOOL ret;
1050     WCHAR *wVerb = NULL, *wFile = NULL, *wParameters = NULL, *wDirectory = NULL, *wClass = NULL;
1051
1052     TRACE("%p\n", sei);
1053
1054     memcpy(&seiW, sei, sizeof(SHELLEXECUTEINFOW));
1055
1056     if (sei->lpVerb)
1057         seiW.lpVerb = __SHCloneStrAtoW(&wVerb, sei->lpVerb);
1058
1059     if (sei->lpFile)
1060         seiW.lpFile = __SHCloneStrAtoW(&wFile, sei->lpFile);
1061
1062     if (sei->lpParameters)
1063         seiW.lpParameters = __SHCloneStrAtoW(&wParameters, sei->lpParameters);
1064
1065     if (sei->lpDirectory)
1066         seiW.lpDirectory = __SHCloneStrAtoW(&wDirectory, sei->lpDirectory);
1067
1068     if ((sei->fMask & SEE_MASK_CLASSNAME) && sei->lpClass)
1069         seiW.lpClass = __SHCloneStrAtoW(&wClass, sei->lpClass);
1070     else
1071         seiW.lpClass = NULL;
1072
1073     ret = ShellExecuteExW32 (&seiW, SHELL_ExecuteW);
1074
1075     sei->hInstApp = seiW.hInstApp;
1076
1077     if (wVerb) SHFree(wVerb);
1078     if (wFile) SHFree(wFile);
1079     if (wParameters) SHFree(wParameters);
1080     if (wDirectory) SHFree(wDirectory);
1081     if (wClass) SHFree(wClass);
1082
1083     return ret;
1084 }
1085
1086 /*************************************************************************
1087  * ShellExecuteExW                              [SHELL32.293]
1088  *
1089  */
1090 BOOL WINAPI ShellExecuteExW (LPSHELLEXECUTEINFOW sei)
1091 {
1092     return  ShellExecuteExW32 (sei, SHELL_ExecuteW);
1093 }
1094
1095 /*************************************************************************
1096  * ShellExecuteW                        [SHELL32.294]
1097  * from shellapi.h
1098  * WINSHELLAPI HINSTANCE APIENTRY ShellExecuteW(HWND hwnd, LPCWSTR lpOperation,
1099  * LPCWSTR lpFile, LPCWSTR lpParameters, LPCWSTR lpDirectory, INT nShowCmd);
1100  */
1101 HINSTANCE WINAPI ShellExecuteW(HWND hwnd, LPCWSTR lpOperation, LPCWSTR lpFile,
1102                                LPCWSTR lpParameters, LPCWSTR lpDirectory, INT nShowCmd)
1103 {
1104     SHELLEXECUTEINFOW sei;
1105     HANDLE hProcess = 0;
1106
1107     TRACE("\n");
1108     sei.cbSize = sizeof(sei);
1109     sei.fMask = 0;
1110     sei.hwnd = hwnd;
1111     sei.lpVerb = lpOperation;
1112     sei.lpFile = lpFile;
1113     sei.lpParameters = lpParameters;
1114     sei.lpDirectory = lpDirectory;
1115     sei.nShow = nShowCmd;
1116     sei.lpIDList = 0;
1117     sei.lpClass = 0;
1118     sei.hkeyClass = 0;
1119     sei.dwHotKey = 0;
1120     sei.hProcess = hProcess;
1121
1122     ShellExecuteExW32 (&sei, SHELL_ExecuteW);
1123     return sei.hInstApp;
1124 }