files/directory.c

   1 /*
   2  * DOS directories functions
   3  *
   4  * Copyright 1995 Alexandre Julliard
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include "config.h"
  22
  23 #include <ctype.h>
  24 #include <stdlib.h>
  25 #include <stdarg.h>
  26 #include <stdio.h>
  27 #include <string.h>
  28 #include <sys/types.h>
  29 #include <sys/stat.h>
  30 #ifdef HAVE_UNISTD_H
  31 # include <unistd.h>
  32 #endif
  33 #include <errno.h>
  34 #ifdef HAVE_SYS_ERRNO_H
  35 #include <sys/errno.h>
  36 #endif
  37
  38 #include "ntstatus.h"
  39 #include "windef.h"
  40 #include "winbase.h"
  41 #include "wine/winbase16.h"
  42 #include "wingdi.h"
  43 #include "wine/winuser16.h"
  44 #include "winerror.h"
  45 #include "winreg.h"
  46 #include "winternl.h"
  47 #include "wine/unicode.h"
  48 #include "drive.h"
  49 #include "file.h"
  50 #include "msdos.h"
  51 #include "wine/debug.h"
  52
  53 WINE_DEFAULT_DEBUG_CHANNEL(dosfs);
  54 WINE_DECLARE_DEBUG_CHANNEL(file);
  55
  56 static DOS_FULL_NAME DIR_Windows;
  57 static DOS_FULL_NAME DIR_System;
  58
  59 /***********************************************************************
  60  *           FILE_contains_pathW
  61  */
  62 inline static int FILE_contains_pathW (LPCWSTR name)
  63 {
  64     return ((*name && (name[1] == ':')) ||
  65             strchrW (name, '/') || strchrW (name, '\\'));
  66 }
  67
  68 /***********************************************************************
  69  *           DIR_GetPath
  70  *
  71  * Get a path name from the wine.ini file and make sure it is valid.
  72  */
  73 static int DIR_GetPath( HKEY hkey, LPCWSTR keyname, LPCWSTR defval, DOS_FULL_NAME *full_name,
  74                         LPWSTR longname, INT longname_len, BOOL warn )
  75 {
  76     UNICODE_STRING nameW;
  77     DWORD dummy;
  78     WCHAR tmp[MAX_PATHNAME_LEN];
  79     BY_HANDLE_FILE_INFORMATION info;
  80     const WCHAR *path = defval;
  81     const char *mess = "does not exist";
  82
  83     RtlInitUnicodeString( &nameW, keyname );
  84     if (hkey && !NtQueryValueKey( hkey, &nameW, KeyValuePartialInformation, tmp, sizeof(tmp), &dummy ))
  85         path = (WCHAR *)((KEY_VALUE_PARTIAL_INFORMATION *)tmp)->Data;
  86
  87     if (!DOSFS_GetFullName( path, TRUE, full_name ) ||
  88         (!FILE_Stat( full_name->long_name, &info, NULL ) && (mess=strerror(errno)))||
  89         (!(info.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) && (mess="not a directory")) ||
  90         (!(GetLongPathNameW(full_name->short_name, longname, longname_len))) )
  91     {
  92         if (warn)
  93         {
  94             MESSAGE("Invalid path %s for %s directory: %s.\n",
  95                     debugstr_w(path), debugstr_w(keyname), mess);
  96             MESSAGE("Perhaps you have not properly edited your Wine configuration file (%s/config)\n",
  97                     wine_get_config_dir());
  98         }
  99         return 0;
 100     }
 101     return 1;
 102 }
 103
 104
 105 /***********************************************************************
 106  *           DIR_Init
 107  */
 108 int DIR_Init(void)
 109 {
 110     OBJECT_ATTRIBUTES attr;
 111     UNICODE_STRING nameW;
 112     HKEY hkey;
 113     char path[MAX_PATHNAME_LEN];
 114     WCHAR longpath[MAX_PATHNAME_LEN];
 115     DOS_FULL_NAME tmp_dir, profile_dir;
 116     int drive;
 117     const char *cwd;
 118     static const WCHAR wineW[] = {'M','a','c','h','i','n','e','\\',
 119                                   'S','o','f','t','w','a','r','e','\\',
 120                                   'W','i','n','e','\\','W','i','n','e','\\',
 121                                   'C','o','n','f','i','g','\\','W','i','n','e',0};
 122     static const WCHAR windowsW[] = {'w','i','n','d','o','w','s',0};
 123     static const WCHAR systemW[] = {'s','y','s','t','e','m',0};
 124     static const WCHAR tempW[] = {'t','e','m','p',0};
 125     static const WCHAR profileW[] = {'p','r','o','f','i','l','e',0};
 126     static const WCHAR windows_dirW[] = {'c',':','\\','w','i','n','d','o','w','s',0};
 127     static const WCHAR system_dirW[] = {'c',':','\\','w','i','n','d','o','w','s','\\','s','y','s','t','e','m',0};
 128     static const WCHAR pathW[] = {'p','a','t','h',0};
 129     static const WCHAR path_dirW[] = {'c',':','\\','w','i','n','d','o','w','s',';',
 130                                       'c',':','\\','w','i','n','d','o','w','s','\\','s','y','s','t','e','m',0};
 131     static const WCHAR path_capsW[] = {'P','A','T','H',0};
 132     static const WCHAR temp_capsW[] = {'T','E','M','P',0};
 133     static const WCHAR tmp_capsW[] = {'T','M','P',0};
 134     static const WCHAR windirW[] = {'w','i','n','d','i','r',0};
 135     static const WCHAR winsysdirW[] = {'w','i','n','s','y','s','d','i','r',0};
 136     static const WCHAR userprofileW[] = {'U','S','E','R','P','R','O','F','I','L','E',0};
 137     static const WCHAR systemrootW[] = {'S','Y','S','T','E','M','R','O','O','T',0};
 138     static const WCHAR wcmdW[] = {'\\','w','c','m','d','.','e','x','e',0};
 139     static const WCHAR comspecW[] = {'C','O','M','S','P','E','C',0};
 140     static const WCHAR empty_strW[] = { 0 };
 141
 142     if (!getcwd( path, MAX_PATHNAME_LEN ))
 143     {
 144         perror( "Could not get current directory" );
 145         return 0;
 146     }
 147     cwd = path;
 148     if ((drive = DRIVE_FindDriveRoot( &cwd )) == -1)
 149     {
 150         MESSAGE("Warning: could not find wine config [Drive x] entry "
 151             "for current working directory %s; "
 152             "starting in windows directory.\n", cwd );
 153     }
 154     else
 155     {
 156         WCHAR szdrive[3]={drive+'A',':',0};
 157         MultiByteToWideChar(CP_UNIXCP, 0, cwd, -1, longpath, MAX_PATHNAME_LEN);
 158         DRIVE_SetCurrentDrive( drive );
 159         DRIVE_Chdir( drive, longpath );
 160         if(GetDriveTypeW(szdrive)==DRIVE_CDROM)
 161             chdir("/"); /* change to root directory so as not to lock cdroms */
 162     }
 163
 164     attr.Length = sizeof(attr);
 165     attr.RootDirectory = 0;
 166     attr.ObjectName = &nameW;
 167     attr.Attributes = 0;
 168     attr.SecurityDescriptor = NULL;
 169     attr.SecurityQualityOfService = NULL;
 170
 171     RtlInitUnicodeString( &nameW, wineW );
 172     if (NtCreateKey( &hkey, KEY_ALL_ACCESS, &attr, 0, NULL, 0, NULL )) hkey = 0;
 173
 174     if (!(DIR_GetPath( hkey, windowsW, windows_dirW, &DIR_Windows, longpath, MAX_PATHNAME_LEN, TRUE )) ||
 175         !(DIR_GetPath( hkey, systemW, system_dirW, &DIR_System, longpath, MAX_PATHNAME_LEN, TRUE )) ||
 176         !(DIR_GetPath( hkey, tempW, windows_dirW, &tmp_dir, longpath, MAX_PATHNAME_LEN, TRUE )))
 177     {
 178         if (hkey) NtClose( hkey );
 179         return 0;
 180     }
 181     if (-1 == access( tmp_dir.long_name, W_OK ))
 182     {
 183         if (errno==EACCES)
 184         {
 185                 MESSAGE("Warning: the temporary directory '%s' specified in your\n"
 186                         "configuration file (%s) is not writeable.\n",
 187                         tmp_dir.long_name, wine_get_config_dir() );
 188         }
 189         else
 190                 MESSAGE("Warning: access to temporary directory '%s' failed (%s).\n",
 191                     tmp_dir.long_name, strerror(errno));
 192     }
 193
 194     if (drive == -1)
 195     {
 196         drive = DIR_Windows.drive;
 197         DRIVE_SetCurrentDrive( drive );
 198         DRIVE_Chdir( drive, DIR_Windows.short_name + 2 );
 199     }
 200
 201     /* Set the environment variables */
 202
 203     /* set COMSPEC only if it doesn't exist already */
 204     if (!GetEnvironmentVariableW( comspecW, NULL, 0 ))
 205     {
 206         strcpyW( longpath, DIR_System.short_name );
 207         strcatW( longpath, wcmdW );
 208         SetEnvironmentVariableW( comspecW, longpath );
 209     }
 210
 211     /* set PATH only if not set already */
 212     if (!GetEnvironmentVariableW( path_capsW, NULL, 0 ))
 213     {
 214         WCHAR tmp[MAX_PATHNAME_LEN];
 215         DWORD dummy;
 216         const WCHAR *path = path_dirW;
 217
 218         RtlInitUnicodeString( &nameW, pathW );
 219         if (hkey && !NtQueryValueKey( hkey, &nameW, KeyValuePartialInformation,
 220                                       tmp, sizeof(tmp), &dummy ))
 221         {
 222             path = (WCHAR *)((KEY_VALUE_PARTIAL_INFORMATION *)tmp)->Data;
 223         }
 224
 225         if (strchrW(path, '/'))
 226         {
 227             MESSAGE("Fix your wine config (%s/config) to use DOS drive syntax in [wine] 'Path=' statement! (no '/' allowed)\n", wine_get_config_dir() );
 228             ExitProcess(1);
 229         }
 230         SetEnvironmentVariableW( path_capsW, path );
 231         TRACE("Path       = %s\n", debugstr_w(path) );
 232     }
 233
 234     SetEnvironmentVariableW( temp_capsW, tmp_dir.short_name );
 235     SetEnvironmentVariableW( tmp_capsW, tmp_dir.short_name );
 236     SetEnvironmentVariableW( windirW, DIR_Windows.short_name );
 237     SetEnvironmentVariableW( winsysdirW, DIR_System.short_name );
 238
 239     TRACE("WindowsDir = %s (%s)\n",
 240           debugstr_w(DIR_Windows.short_name), DIR_Windows.long_name );
 241     TRACE("SystemDir  = %s (%s)\n",
 242           debugstr_w(DIR_System.short_name), DIR_System.long_name );
 243     TRACE("TempDir    = %s (%s)\n",
 244           debugstr_w(tmp_dir.short_name), tmp_dir.long_name );
 245     TRACE("Cwd        = %c:\\%s\n",
 246           'A' + drive, debugstr_w(DRIVE_GetDosCwd(drive)) );
 247
 248     if (DIR_GetPath( hkey, profileW, empty_strW, &profile_dir, longpath, MAX_PATHNAME_LEN, FALSE ))
 249     {
 250         TRACE("USERPROFILE= %s\n", debugstr_w(longpath) );
 251         SetEnvironmentVariableW( userprofileW, longpath );
 252     }
 253
 254     TRACE("SYSTEMROOT = %s\n", debugstr_w(DIR_Windows.short_name) );
 255     SetEnvironmentVariableW( systemrootW, DIR_Windows.short_name );
 256     if (hkey) NtClose( hkey );
 257
 258     return 1;
 259 }
 260
 261
 262 /***********************************************************************
 263  *           GetTempPathA   (KERNEL32.@)
 264  */
 265 UINT WINAPI GetTempPathA( UINT count, LPSTR path )
 266 {
 267     WCHAR pathW[MAX_PATH];
 268     UINT ret;
 269
 270     ret = GetTempPathW(MAX_PATH, pathW);
 271
 272     if (!ret)
 273         return 0;
 274
 275     if (ret > MAX_PATH)
 276     {
 277         SetLastError(ERROR_FILENAME_EXCED_RANGE);
 278         return 0;
 279     }
 280
 281     ret = WideCharToMultiByte(CP_ACP, 0, pathW, -1, NULL, 0, NULL, NULL);
 282     if (ret <= count)
 283     {
 284         WideCharToMultiByte(CP_ACP, 0, pathW, -1, path, count, NULL, NULL);
 285         ret--; /* length without 0 */
 286     }
 287     return ret;
 288 }
 289
 290
 291 /***********************************************************************
 292  *           GetTempPathW   (KERNEL32.@)
 293  */
 294 UINT WINAPI GetTempPathW( UINT count, LPWSTR path )
 295 {
 296     static const WCHAR tmp[]  = { 'T', 'M', 'P', 0 };
 297     static const WCHAR temp[] = { 'T', 'E', 'M', 'P', 0 };
 298     WCHAR tmp_path[MAX_PATH];
 299     UINT ret;
 300
 301     TRACE("%u,%p\n", count, path);
 302
 303     if (!(ret = GetEnvironmentVariableW( tmp, tmp_path, MAX_PATH )))
 304         if (!(ret = GetEnvironmentVariableW( temp, tmp_path, MAX_PATH )))
 305             if (!(ret = GetCurrentDirectoryW( MAX_PATH, tmp_path )))
 306                 return 0;
 307
 308     if (ret > MAX_PATH)
 309     {
 310         SetLastError(ERROR_FILENAME_EXCED_RANGE);
 311         return 0;
 312     }
 313
 314     ret = GetFullPathNameW(tmp_path, MAX_PATH, tmp_path, NULL);
 315     if (!ret) return 0;
 316
 317     if (ret > MAX_PATH - 2)
 318     {
 319         SetLastError(ERROR_FILENAME_EXCED_RANGE);
 320         return 0;
 321     }
 322
 323     if (tmp_path[ret-1] != '\\')
 324     {
 325         tmp_path[ret++] = '\\';
 326         tmp_path[ret]   = '\0';
 327     }
 328
 329     ret++; /* add space for terminating 0 */
 330
 331     if (count)
 332     {
 333         lstrcpynW(path, tmp_path, count);
 334         if (count >= ret)
 335             ret--; /* return length without 0 */
 336         else if (count < 4)
 337             path[0] = 0; /* avoid returning ambiguous "X:" */
 338     }
 339
 340     TRACE("returning %u, %s\n", ret, debugstr_w(path));
 341     return ret;
 342 }
 343
 344
 345 /***********************************************************************
 346  *           DIR_GetWindowsUnixDir
 347  */
 348 UINT DIR_GetWindowsUnixDir( LPSTR path, UINT count )
 349 {
 350     if (path) lstrcpynA( path, DIR_Windows.long_name, count );
 351     return strlen( DIR_Windows.long_name );
 352 }
 353
 354
 355 /***********************************************************************
 356  *           DIR_GetSystemUnixDir
 357  */
 358 UINT DIR_GetSystemUnixDir( LPSTR path, UINT count )
 359 {
 360     if (path) lstrcpynA( path, DIR_System.long_name, count );
 361     return strlen( DIR_System.long_name );
 362 }
 363
 364
 365 /***********************************************************************
 366  *           GetTempDrive   (KERNEL.92)
 367  * A closer look at krnl386.exe shows what the SDK doesn't mention:
 368  *
 369  * returns:
 370  *   AL: driveletter
 371  *   AH: ':'            - yes, some kernel code even does stosw with
 372  *                            the returned AX.
 373  *   DX: 1 for success
 374  */
 375 UINT WINAPI GetTempDrive( BYTE ignored )
 376 {
 377     char *buffer;
 378     BYTE ret;
 379     UINT len = GetTempPathA( 0, NULL );
 380
 381     if (!(buffer = HeapAlloc( GetProcessHeap(), 0, len + 1 )) )
 382         ret = DRIVE_GetCurrentDrive() + 'A';
 383     else
 384     {
 385         /* FIXME: apparently Windows does something with the ignored byte */
 386         if (!GetTempPathA( len, buffer )) buffer[0] = 'C';
 387         ret = toupper(buffer[0]);
 388         HeapFree( GetProcessHeap(), 0, buffer );
 389     }
 390     return MAKELONG( ret | (':' << 8), 1 );
 391 }
 392
 393
 394 /***********************************************************************
 395  *           GetWindowsDirectory   (KERNEL.134)
 396  */
 397 UINT16 WINAPI GetWindowsDirectory16( LPSTR path, UINT16 count )
 398 {
 399     return (UINT16)GetWindowsDirectoryA( path, count );
 400 }
 401
 402
 403 /***********************************************************************
 404  *           GetWindowsDirectoryW   (KERNEL32.@)
 405  *
 406  * See comment for GetWindowsDirectoryA.
 407  */
 408 UINT WINAPI GetWindowsDirectoryW( LPWSTR path, UINT count )
 409 {
 410     UINT len = strlenW( DIR_Windows.short_name ) + 1;
 411     if (path && count >= len)
 412     {
 413         strcpyW( path, DIR_Windows.short_name );
 414         len--;
 415     }
 416     return len;
 417 }
 418
 419
 420 /***********************************************************************
 421  *           GetWindowsDirectoryA   (KERNEL32.@)
 422  *
 423  * Return value:
 424  * If buffer is large enough to hold full path and terminating '\0' character
 425  * function copies path to buffer and returns length of the path without '\0'.
 426  * Otherwise function returns required size including '\0' character and
 427  * does not touch the buffer.
 428  */
 429 UINT WINAPI GetWindowsDirectoryA( LPSTR path, UINT count )
 430 {
 431     UINT len = WideCharToMultiByte( CP_ACP, 0, DIR_Windows.short_name, -1, NULL, 0, NULL, NULL );
 432     if (path && count >= len)
 433     {
 434         WideCharToMultiByte( CP_ACP, 0, DIR_Windows.short_name, -1, path, count, NULL, NULL );
 435         len--;
 436     }
 437     return len;
 438 }
 439
 440
 441 /***********************************************************************
 442  *           GetSystemWindowsDirectoryA   (KERNEL32.@) W2K, TS4.0SP4
 443  */
 444 UINT WINAPI GetSystemWindowsDirectoryA( LPSTR path, UINT count )
 445 {
 446     return GetWindowsDirectoryA( path, count );
 447 }
 448
 449
 450 /***********************************************************************
 451  *           GetSystemWindowsDirectoryW   (KERNEL32.@) W2K, TS4.0SP4
 452  */
 453 UINT WINAPI GetSystemWindowsDirectoryW( LPWSTR path, UINT count )
 454 {
 455     return GetWindowsDirectoryW( path, count );
 456 }
 457
 458
 459 /***********************************************************************
 460  *           GetSystemDirectory   (KERNEL.135)
 461  */
 462 UINT16 WINAPI GetSystemDirectory16( LPSTR path, UINT16 count )
 463 {
 464     return (UINT16)GetSystemDirectoryA( path, count );
 465 }
 466
 467
 468 /***********************************************************************
 469  *           GetSystemDirectoryW   (KERNEL32.@)
 470  *
 471  * See comment for GetWindowsDirectoryA.
 472  */
 473 UINT WINAPI GetSystemDirectoryW( LPWSTR path, UINT count )
 474 {
 475     UINT len = strlenW( DIR_System.short_name ) + 1;
 476     if (path && count >= len)
 477     {
 478         strcpyW( path, DIR_System.short_name );
 479         len--;
 480     }
 481     return len;
 482 }
 483
 484
 485 /***********************************************************************
 486  *           GetSystemDirectoryA   (KERNEL32.@)
 487  *
 488  * See comment for GetWindowsDirectoryA.
 489  */
 490 UINT WINAPI GetSystemDirectoryA( LPSTR path, UINT count )
 491 {
 492     UINT len = WideCharToMultiByte( CP_ACP, 0, DIR_System.short_name, -1, NULL, 0, NULL, NULL );
 493     if (path && count >= len)
 494     {
 495         WideCharToMultiByte( CP_ACP, 0, DIR_System.short_name, -1, path, count, NULL, NULL );
 496         len--;
 497     }
 498     return len;
 499 }
 500
 501
 502 /***********************************************************************
 503  *           CreateDirectory   (KERNEL.144)
 504  */
 505 BOOL16 WINAPI CreateDirectory16( LPCSTR path, LPVOID dummy )
 506 {
 507     TRACE_(file)("(%s,%p)\n", path, dummy );
 508     return (BOOL16)CreateDirectoryA( path, NULL );
 509 }
 510
 511
 512 /***********************************************************************
 513  *           CreateDirectoryW   (KERNEL32.@)
 514  * RETURNS:
 515  *      TRUE : success
 516  *      FALSE : failure
 517  *              ERROR_DISK_FULL:        on full disk
 518  *              ERROR_ALREADY_EXISTS:   if directory name exists (even as file)
 519  *              ERROR_ACCESS_DENIED:    on permission problems
 520  *              ERROR_FILENAME_EXCED_RANGE: too long filename(s)
 521  */
 522 BOOL WINAPI CreateDirectoryW( LPCWSTR path,
 523                                   LPSECURITY_ATTRIBUTES lpsecattribs )
 524 {
 525     DOS_FULL_NAME full_name;
 526
 527     if (!path || !*path)
 528     {
 529         SetLastError(ERROR_PATH_NOT_FOUND);
 530         return FALSE;
 531     }
 532
 533     TRACE_(file)("(%s,%p)\n", debugstr_w(path), lpsecattribs );
 534
 535     if (DOSFS_GetDevice( path ))
 536     {
 537         TRACE_(file)("cannot use device %s!\n", debugstr_w(path));
 538         SetLastError( ERROR_ACCESS_DENIED );
 539         return FALSE;
 540     }
 541     if (!DOSFS_GetFullName( path, FALSE, &full_name )) return 0;
 542     if (mkdir( full_name.long_name, 0777 ) == -1) {
 543         WARN_(file)("Error '%s' trying to create directory '%s'\n", strerror(errno), full_name.long_name);
 544         /* the FILE_SetDosError() generated error codes don't match the
 545          * CreateDirectory ones for some errnos */
 546         switch (errno) {
 547         case EEXIST:
 548         {
 549             if (!strcmp(DRIVE_GetRoot(full_name.drive), full_name.long_name))
 550                 SetLastError(ERROR_ACCESS_DENIED);
 551             else
 552                 SetLastError(ERROR_ALREADY_EXISTS);
 553             break;
 554         }
 555         case ENOSPC: SetLastError(ERROR_DISK_FULL); break;
 556         default: FILE_SetDosError();break;
 557         }
 558         return FALSE;
 559     }
 560     return TRUE;
 561 }
 562
 563
 564 /***********************************************************************
 565  *           CreateDirectoryA   (KERNEL32.@)
 566  */
 567 BOOL WINAPI CreateDirectoryA( LPCSTR path,
 568                                   LPSECURITY_ATTRIBUTES lpsecattribs )
 569 {
 570     UNICODE_STRING pathW;
 571     BOOL ret = FALSE;
 572
 573     if (!path || !*path)
 574     {
 575         SetLastError(ERROR_PATH_NOT_FOUND);
 576         return FALSE;
 577     }
 578
 579     if (RtlCreateUnicodeStringFromAsciiz(&pathW, path))
 580     {
 581         ret = CreateDirectoryW(pathW.Buffer, lpsecattribs);
 582         RtlFreeUnicodeString(&pathW);
 583     }
 584     else
 585         SetLastError(ERROR_NOT_ENOUGH_MEMORY);
 586     return ret;
 587 }
 588
 589
 590 /***********************************************************************
 591  *           CreateDirectoryExA   (KERNEL32.@)
 592  */
 593 BOOL WINAPI CreateDirectoryExA( LPCSTR template, LPCSTR path,
 594                                     LPSECURITY_ATTRIBUTES lpsecattribs)
 595 {
 596     return CreateDirectoryA(path,lpsecattribs);
 597 }
 598
 599
 600 /***********************************************************************
 601  *           CreateDirectoryExW   (KERNEL32.@)
 602  */
 603 BOOL WINAPI CreateDirectoryExW( LPCWSTR template, LPCWSTR path,
 604                                     LPSECURITY_ATTRIBUTES lpsecattribs)
 605 {
 606     return CreateDirectoryW(path,lpsecattribs);
 607 }
 608
 609
 610 /***********************************************************************
 611  *           RemoveDirectory   (KERNEL.145)
 612  */
 613 BOOL16 WINAPI RemoveDirectory16( LPCSTR path )
 614 {
 615     return (BOOL16)RemoveDirectoryA( path );
 616 }
 617
 618
 619 /***********************************************************************
 620  *           RemoveDirectoryW   (KERNEL32.@)
 621  */
 622 BOOL WINAPI RemoveDirectoryW( LPCWSTR path )
 623 {
 624     DOS_FULL_NAME full_name;
 625
 626     if (!path)
 627     {
 628         SetLastError(ERROR_INVALID_PARAMETER);
 629         return FALSE;
 630     }
 631
 632     TRACE_(file)("%s\n", debugstr_w(path));
 633
 634     if (DOSFS_GetDevice( path ))
 635     {
 636         TRACE_(file)("cannot remove device %s!\n", debugstr_w(path));
 637         SetLastError( ERROR_FILE_NOT_FOUND );
 638         return FALSE;
 639     }
 640     if (!DOSFS_GetFullName( path, TRUE, &full_name )) return FALSE;
 641     if (rmdir( full_name.long_name ) == -1)
 642     {
 643         FILE_SetDosError();
 644         return FALSE;
 645     }
 646     return TRUE;
 647 }
 648
 649
 650 /***********************************************************************
 651  *           RemoveDirectoryA   (KERNEL32.@)
 652  */
 653 BOOL WINAPI RemoveDirectoryA( LPCSTR path )
 654 {
 655     UNICODE_STRING pathW;
 656     BOOL ret = FALSE;
 657
 658     if (!path)
 659     {
 660         SetLastError(ERROR_INVALID_PARAMETER);
 661         return FALSE;
 662     }
 663
 664     if (RtlCreateUnicodeStringFromAsciiz(&pathW, path))
 665     {
 666         ret = RemoveDirectoryW(pathW.Buffer);
 667         RtlFreeUnicodeString(&pathW);
 668     }
 669     else
 670         SetLastError(ERROR_NOT_ENOUGH_MEMORY);
 671     return ret;
 672 }
 673
 674
 675 /***********************************************************************
 676  *           DIR_TryPath
 677  *
 678  * Helper function for DIR_SearchPath.
 679  */
 680 static BOOL DIR_TryPath( const DOS_FULL_NAME *dir, LPCWSTR name,
 681                            DOS_FULL_NAME *full_name )
 682 {
 683     LPSTR p_l = full_name->long_name + strlen(dir->long_name) + 1;
 684     LPWSTR p_s = full_name->short_name + strlenW(dir->short_name) + 1;
 685
 686     if ((p_s >= full_name->short_name + sizeof(full_name->short_name)/sizeof(full_name->short_name[0]) - 14) ||
 687         (p_l >= full_name->long_name + sizeof(full_name->long_name) - 1))
 688     {
 689         SetLastError( ERROR_PATH_NOT_FOUND );
 690         return FALSE;
 691     }
 692     if (!DOSFS_FindUnixName( dir, name, p_l,
 693                    sizeof(full_name->long_name) - (p_l - full_name->long_name),
 694                    p_s, !(DRIVE_GetFlags(dir->drive) & DRIVE_CASE_SENSITIVE) ))
 695         return FALSE;
 696
 697     full_name->drive = dir->drive;
 698     strcpy( full_name->long_name, dir->long_name );
 699     p_l[-1] = '/';
 700     strcpyW( full_name->short_name, dir->short_name );
 701     p_s[-1] = '\\';
 702     return TRUE;
 703 }
 704
 705 static BOOL DIR_SearchSemicolonedPaths(LPCWSTR name, DOS_FULL_NAME *full_name, LPWSTR pathlist)
 706 {
 707     LPWSTR next, buffer = NULL;
 708     INT len = strlenW(name), newlen, currlen = 0;
 709     BOOL ret = FALSE;
 710
 711     next = pathlist;
 712     while (!ret && next)
 713     {
 714         static const WCHAR bkslashW[] = {'\\',0};
 715         LPWSTR cur = next;
 716         while (*cur == ';') cur++;
 717         if (!*cur) break;
 718         next = strchrW( cur, ';' );
 719         if (next) *next++ = '\0';
 720         newlen = strlenW(cur) + len + 2;
 721
 722         if (newlen > currlen)
 723         {
 724             if (buffer)
 725                 buffer = HeapReAlloc( GetProcessHeap(), 0, buffer, newlen * sizeof(WCHAR));
 726             else
 727                 buffer = HeapAlloc( GetProcessHeap(), 0, newlen * sizeof(WCHAR));
 728
 729             if(!buffer)
 730                 goto done;
 731             currlen = newlen;
 732         }
 733
 734         strcpyW( buffer, cur );
 735         strcatW( buffer, bkslashW );
 736         strcatW( buffer, name );
 737         ret = DOSFS_GetFullName( buffer, TRUE, full_name );
 738     }
 739 done:
 740     HeapFree( GetProcessHeap(), 0, buffer );
 741     return ret;
 742 }
 743
 744
 745 /***********************************************************************
 746  *           DIR_TryEnvironmentPath
 747  *
 748  * Helper function for DIR_SearchPath.
 749  * Search in the specified path, or in $PATH if NULL.
 750  */
 751 static BOOL DIR_TryEnvironmentPath( LPCWSTR name, DOS_FULL_NAME *full_name, LPCWSTR envpath )
 752 {
 753     LPWSTR path;
 754     BOOL ret = FALSE;
 755     DWORD size;
 756     static const WCHAR pathW[] = {'P','A','T','H',0};
 757
 758     size = envpath ? strlenW(envpath)+1 : GetEnvironmentVariableW( pathW, NULL, 0 );
 759     if (!size) return FALSE;
 760     if (!(path = HeapAlloc( GetProcessHeap(), 0, size * sizeof(WCHAR) ))) return FALSE;
 761     if (envpath) strcpyW( path, envpath );
 762     else if (!GetEnvironmentVariableW( pathW, path, size )) goto done;
 763
 764     ret = DIR_SearchSemicolonedPaths(name, full_name, path);
 765
 766 done:
 767     HeapFree( GetProcessHeap(), 0, path );
 768     return ret;
 769 }
 770
 771
 772 /***********************************************************************
 773  *           DIR_TryModulePath
 774  *
 775  * Helper function for DIR_SearchPath.
 776  */
 777 static BOOL DIR_TryModulePath( LPCWSTR name, DOS_FULL_NAME *full_name, BOOL win32 )
 778 {
 779     WCHAR bufferW[MAX_PATH];
 780     LPWSTR p;
 781
 782     if (!win32)
 783     {
 784         char buffer[OFS_MAXPATHNAME];
 785         if (!GetCurrentTask()) return FALSE;
 786         if (!GetModuleFileName16( GetCurrentTask(), buffer, sizeof(buffer) ))
 787             return FALSE;
 788         MultiByteToWideChar(CP_ACP, 0, buffer, -1, bufferW, MAX_PATH);
 789     } else {
 790         if (!GetModuleFileNameW( 0, bufferW, MAX_PATH ) )
 791             return FALSE;
 792     }
 793     if (!(p = strrchrW( bufferW, '\\' ))) return FALSE;
 794     if (MAX_PATH - (++p - bufferW) <= strlenW(name)) return FALSE;
 795     strcpyW( p, name );
 796     return DOSFS_GetFullName( bufferW, TRUE, full_name );
 797 }
 798
 799
 800 /***********************************************************************
 801  *           DIR_SearchPath
 802  *
 803  * Implementation of SearchPathA. 'win32' specifies whether the search
 804  * order is Win16 (module path last) or Win32 (module path first).
 805  *
 806  * FIXME: should return long path names.
 807  */
 808 DWORD DIR_SearchPath( LPCWSTR path, LPCWSTR name, LPCWSTR ext,
 809                       DOS_FULL_NAME *full_name, BOOL win32 )
 810 {
 811     LPCWSTR p;
 812     LPWSTR tmp = NULL;
 813     BOOL ret = TRUE;
 814
 815     /* First check the supplied parameters */
 816
 817     p = strrchrW( name, '.' );
 818     if (p && !strchrW( p, '/' ) && !strchrW( p, '\\' ))
 819         ext = NULL;  /* Ignore the specified extension */
 820     if (FILE_contains_pathW (name))
 821         path = NULL;  /* Ignore path if name already contains a path */
 822     if (path && !*path) path = NULL;  /* Ignore empty path */
 823
 824     /* Allocate a buffer for the file name and extension */
 825
 826     if (ext)
 827     {
 828         DWORD len = strlenW(name) + strlenW(ext);
 829         if (!(tmp = HeapAlloc( GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR) )))
 830         {
 831             SetLastError( ERROR_OUTOFMEMORY );
 832             return 0;
 833         }
 834         strcpyW( tmp, name );
 835         strcatW( tmp, ext );
 836         name = tmp;
 837     }
 838
 839     /* If the name contains an explicit path, everything's easy */
 840
 841     if (FILE_contains_pathW(name))
 842     {
 843         ret = DOSFS_GetFullName( name, TRUE, full_name );
 844         goto done;
 845     }
 846
 847     /* Search in the specified path */
 848
 849     if (path)
 850     {
 851         ret = DIR_TryEnvironmentPath( name, full_name, path );
 852         goto done;
 853     }
 854
 855     /* Try the path of the current executable (for Win32 search order) */
 856
 857     if (win32 && DIR_TryModulePath( name, full_name, win32 )) goto done;
 858
 859     /* Try the current directory */
 860
 861     if (DOSFS_GetFullName( name, TRUE, full_name )) goto done;
 862
 863     /* Try the Windows system directory */
 864
 865     if (DIR_TryPath( &DIR_System, name, full_name ))
 866         goto done;
 867
 868     /* Try the Windows directory */
 869
 870     if (DIR_TryPath( &DIR_Windows, name, full_name ))
 871         goto done;
 872
 873     /* Try the path of the current executable (for Win16 search order) */
 874
 875     if (!win32 && DIR_TryModulePath( name, full_name, win32 )) goto done;
 876
 877     /* Try all directories in path */
 878
 879     ret = DIR_TryEnvironmentPath( name, full_name, NULL );
 880
 881 done:
 882     if (tmp) HeapFree( GetProcessHeap(), 0, tmp );
 883     return ret;
 884 }
 885
 886
 887 /***********************************************************************
 888  * SearchPathW [KERNEL32.@]
 889  *
 890  * Searches for a specified file in the search path.
 891  *
 892  * PARAMS
 893  *    path      [I] Path to search
 894  *    name      [I] Filename to search for.
 895  *    ext       [I] File extension to append to file name. The first
 896  *                  character must be a period. This parameter is
 897  *                  specified only if the filename given does not
 898  *                  contain an extension.
 899  *    buflen    [I] size of buffer, in characters
 900  *    buffer    [O] buffer for found filename
 901  *    lastpart  [O] address of pointer to last used character in
 902  *                  buffer (the final '\')
 903  *
 904  * RETURNS
 905  *    Success: length of string copied into buffer, not including
 906  *             terminating null character. If the filename found is
 907  *             longer than the length of the buffer, the length of the
 908  *             filename is returned.
 909  *    Failure: Zero
 910  *
 911  * NOTES
 912  *    If the file is not found, calls SetLastError(ERROR_FILE_NOT_FOUND)
 913  *    (tested on NT 4.0)
 914  */
 915 DWORD WINAPI SearchPathW( LPCWSTR path, LPCWSTR name, LPCWSTR ext, DWORD buflen,
 916                           LPWSTR buffer, LPWSTR *lastpart )
 917 {
 918     LPSTR res;
 919     DOS_FULL_NAME full_name;
 920
 921     if (!DIR_SearchPath( path, name, ext, &full_name, TRUE ))
 922     {
 923         SetLastError(ERROR_FILE_NOT_FOUND);
 924         return 0;
 925     }
 926
 927 TRACE("found %s %s\n", full_name.long_name, debugstr_w(full_name.short_name));
 928 TRACE("drive %c: root %s\n", 'A' + full_name.drive, DRIVE_GetRoot(full_name.drive));
 929
 930     lstrcpynW( buffer, full_name.short_name, buflen );
 931     res = full_name.long_name +
 932               strlen(DRIVE_GetRoot( full_name.drive ));
 933     while (*res == '/') res++;
 934     if (buflen)
 935     {
 936         LPWSTR p;
 937         if (buflen > 3)
 938         {
 939             MultiByteToWideChar(CP_UNIXCP, 0, res, -1, buffer + 3, buflen - 3);
 940             buffer[buflen - 1] = 0;
 941         }
 942         for (p = buffer; *p; p++) if (*p == '/') *p = '\\';
 943         if (lastpart) *lastpart = strrchrW( buffer, '\\' ) + 1;
 944     }
 945     TRACE("Returning %s\n", debugstr_w(buffer) );
 946     return strlenW(buffer);
 947 }
 948
 949
 950 /***********************************************************************
 951  *           SearchPathA   (KERNEL32.@)
 952  */
 953 DWORD WINAPI SearchPathA( LPCSTR path, LPCSTR name, LPCSTR ext,
 954                           DWORD buflen, LPSTR buffer, LPSTR *lastpart )
 955 {
 956     UNICODE_STRING pathW, nameW, extW;
 957     WCHAR bufferW[MAX_PATH];
 958     DWORD ret, retW;
 959
 960     if (path) RtlCreateUnicodeStringFromAsciiz(&pathW, path);
 961     else pathW.Buffer = NULL;
 962     if (name) RtlCreateUnicodeStringFromAsciiz(&nameW, name);
 963     else nameW.Buffer = NULL;
 964     if (ext) RtlCreateUnicodeStringFromAsciiz(&extW, ext);
 965     else extW.Buffer = NULL;
 966
 967     retW = SearchPathW(pathW.Buffer, nameW.Buffer, extW.Buffer, MAX_PATH, bufferW, NULL);
 968
 969     if (!retW)
 970         ret = 0;
 971     else if (retW > MAX_PATH)
 972     {
 973         SetLastError(ERROR_FILENAME_EXCED_RANGE);
 974         ret = 0;
 975     }
 976     else
 977     {
 978         ret = WideCharToMultiByte(CP_ACP, 0, bufferW, -1, NULL, 0, NULL, NULL);
 979         if (buflen >= ret)
 980         {
 981             WideCharToMultiByte(CP_ACP, 0, bufferW, -1, buffer, buflen, NULL, NULL);
 982             ret--; /* length without 0 */
 983             if (lastpart) *lastpart = strrchr(buffer, '\\') + 1;
 984         }
 985     }
 986
 987     RtlFreeUnicodeString(&pathW);
 988     RtlFreeUnicodeString(&nameW);
 989     RtlFreeUnicodeString(&extW);
 990     return ret;
 991 }