git.oblomov.eu Git - wine/blob - dlls/shell32/shfldr_unixfs.c

   1 /*
   2  * UNIXFS - Shell namespace extension for the unix filesystem
   3  *
   4  * Copyright (C) 2005 Michael Jung
   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 #include "wine/port.h"
  23
  24 #include <stdio.h>
  25 #include <stdarg.h>
  26 #include <limits.h>
  27 #include <dirent.h>
  28 #ifdef HAVE_UNISTD_H
  29 # include <unistd.h>
  30 #endif
  31 #ifdef HAVE_SYS_STAT_H
  32 # include <sys/stat.h>
  33 #endif
  34 #ifdef HAVE_PWD_H
  35 # include <pwd.h>
  36 #endif
  37 #include <grp.h>
  38 #include <limits.h>
  39
  40 #define COBJMACROS
  41 #define NONAMELESSUNION
  42 #define NONAMELESSSTRUCT
  43
  44 #include "windef.h"
  45 #include "winbase.h"
  46 #include "winuser.h"
  47 #include "objbase.h"
  48 #include "winreg.h"
  49 #include "shlwapi.h"
  50 #include "winternl.h"
  51 #include "wine/debug.h"
  52
  53 #include "shell32_main.h"
  54 #include "shellfolder.h"
  55 #include "shfldr.h"
  56 #include "shresdef.h"
  57 #include "pidl.h"
  58
  59 WINE_DEFAULT_DEBUG_CHANNEL(shell);
  60
  61 const GUID CLSID_UnixFolder = {0xcc702eb2, 0x7dc5, 0x11d9, {0xc6, 0x87, 0x00, 0x04, 0x23, 0x8a, 0x01, 0xcd}};
  62 const GUID CLSID_UnixDosFolder = {0x9d20aae8, 0x0625, 0x44b0, {0x9c, 0xa7, 0x71, 0x88, 0x9c, 0x22, 0x54, 0xd9}};
  63
  64 #define ADJUST_THIS(c,m,p) ((c*)(((long)p)-(long)&(((c*)0)->lp##m##Vtbl)))
  65 #define STATIC_CAST(i,p) ((i*)&p->lp##i##Vtbl)
  66
  67 /* FileStruct reserves one byte for szNames, thus we don't have to
  68  * alloc a byte for the terminating '\0' of 'name'. Two of the
  69  * additional bytes are for SHITEMID's cb field. One is for IDLDATA's
  70  * type field. One is for FileStruct's szNames field, to terminate
  71  * the alternate DOS name, which we don't use here.
  72  */
  73 #define SHITEMID_LEN_FROM_NAME_LEN(n) \
  74     (sizeof(USHORT)+sizeof(PIDLTYPE)+sizeof(FileStruct)+(n)+sizeof(char))
  75 #define NAME_LEN_FROM_LPSHITEMID(s) \
  76     (((LPSHITEMID)s)->cb-sizeof(USHORT)-sizeof(PIDLTYPE)-sizeof(FileStruct)-sizeof(char))
  77
  78 #define PATHMODE_UNIX 0
  79 #define PATHMODE_DOS  1
  80
  81 /* UnixFolder object layout and typedef.
  82  */
  83 typedef struct _UnixFolder {
  84     const IShellFolder2Vtbl  *lpIShellFolder2Vtbl;
  85     const IPersistFolder3Vtbl *lpIPersistFolder3Vtbl;
  86     const ISFHelperVtbl *lpISFHelperVtbl;
  87     LONG m_cRef;
  88     CHAR *m_pszPath;
  89     LPITEMIDLIST m_pidlLocation;
  90     DWORD m_dwPathMode;
  91     DWORD m_dwAttributes;
  92 } UnixFolder;
  93
  94 /******************************************************************************
  95  * UNIXFS_is_rooted_at_desktop [Internal]
  96  *
  97  * Checks if the unixfs namespace extension is rooted at desktop level.
  98  *
  99  * RETURNS
 100  *  TRUE, if unixfs is rooted at desktop level
 101  *  FALSE, if not.
 102  */
 103 BOOL UNIXFS_is_rooted_at_desktop(void) {
 104     HKEY hKey;
 105     WCHAR *pwszCLSID_UnixDosFolder, wszRootedAtDesktop[69 + CHARS_IN_GUID] = {
 106         'S','o','f','t','w','a','r','e','\\','M','i','c','r','o','s','o','f','t','\\',
 107         'W','i','n','d','o','w','s','\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
 108         'E','x','p','l','o','r','e','r','\\','D','e','s','k','t','o','p','\\',
 109         'N','a','m','e','S','p','a','c','e','\\',0 };
 110
 111     if (FAILED(StringFromCLSID(&CLSID_UnixDosFolder, &pwszCLSID_UnixDosFolder)))
 112         return FALSE;
 113
 114     lstrcatW(wszRootedAtDesktop, pwszCLSID_UnixDosFolder);
 115     CoTaskMemFree(pwszCLSID_UnixDosFolder);
 116
 117     if (RegOpenKeyExW(HKEY_LOCAL_MACHINE, wszRootedAtDesktop, 0, KEY_READ, &hKey) != ERROR_SUCCESS)
 118         return FALSE;
 119
 120     RegCloseKey(hKey);
 121     return TRUE;
 122 }
 123
 124 /******************************************************************************
 125  * UNIXFS_is_pidl_of_type [INTERNAL]
 126  *
 127  * Checks for the first SHITEMID of an ITEMIDLIST if it passes a filter.
 128  *
 129  * PARAMS
 130  *  pIDL    [I] The ITEMIDLIST to be checked.
 131  *  fFilter [I] Shell condition flags, which specify the filter.
 132  *
 133  * RETURNS
 134  *  TRUE, if pIDL is accepted by fFilter
 135  *  FALSE, otherwise
 136  */
 137 static inline BOOL UNIXFS_is_pidl_of_type(LPITEMIDLIST pIDL, SHCONTF fFilter) {
 138     LPPIDLDATA pIDLData = _ILGetDataPointer(pIDL);
 139     if (!(fFilter & SHCONTF_INCLUDEHIDDEN) && pIDLData &&
 140         (pIDLData->u.file.uFileAttribs & FILE_ATTRIBUTE_HIDDEN))
 141     {
 142         return FALSE;
 143     }
 144     if (_ILIsFolder(pIDL) && (fFilter & SHCONTF_FOLDERS)) return TRUE;
 145     if (_ILIsValue(pIDL) && (fFilter & SHCONTF_NONFOLDERS)) return TRUE;
 146     return FALSE;
 147 }
 148
 149 /******************************************************************************
 150  * UNIXFS_is_dos_device [Internal]
 151  *
 152  * Determines if a unix directory corresponds to any dos device.
 153  *
 154  * PARAMS
 155  *  statPath [I] The stat struct of the directory, as returned by stat(2).
 156  *
 157  * RETURNS
 158  *  TRUE, if statPath corresponds to any dos drive letter
 159  *  FALSE, otherwise
 160  */
 161 static BOOL UNIXFS_is_dos_device(const struct stat *statPath) {
 162     struct stat statDrive;
 163     char *pszDrivePath;
 164     DWORD dwDriveMap;
 165     WCHAR wszDosDevice[4] = { 'A', ':', '\\', 0 };
 166
 167     for (dwDriveMap = GetLogicalDrives(); dwDriveMap; dwDriveMap >>= 1, wszDosDevice[0]++) {
 168         if (!(dwDriveMap & 0x1)) continue;
 169         pszDrivePath = wine_get_unix_file_name(wszDosDevice);
 170         if (pszDrivePath && !stat(pszDrivePath, &statDrive)) {
 171             HeapFree(GetProcessHeap(), 0, pszDrivePath);
 172             if ((statPath->st_dev == statDrive.st_dev) && (statPath->st_ino == statDrive.st_ino))
 173                 return TRUE;
 174         }
 175     }
 176     return FALSE;
 177 }
 178
 179 /******************************************************************************
 180  * UNIXFS_get_unix_path [Internal]
 181  *
 182  * Convert an absolute dos path to an absolute canonicalized unix path.
 183  * Evaluate "/.", "/.." and symbolic links.
 184  *
 185  * PARAMS
 186  *  pszDosPath       [I] An absolute dos path
 187  *  pszCanonicalPath [O] Buffer of length FILENAME_MAX. Will receive the canonical path.
 188  *
 189  * RETURNS
 190  *  Success, TRUE
 191  *  Failure, FALSE - Path not existent, too long, insufficient rights, to many symlinks
 192  */
 193 static BOOL UNIXFS_get_unix_path(LPCWSTR pszDosPath, char *pszCanonicalPath)
 194 {
 195     char *pPathTail, *pElement, *pCanonicalTail, szPath[FILENAME_MAX], *pszUnixPath;
 196     struct stat fileStat;
 197
 198     TRACE("(pszDosPath=%s, pszCanonicalPath=%p)\n", debugstr_w(pszDosPath), pszCanonicalPath);
 199
 200     if (!pszDosPath || pszDosPath[1] != ':')
 201         return FALSE;
 202
 203     pszUnixPath = wine_get_unix_file_name(pszDosPath);
 204     if (!pszUnixPath) return FALSE;
 205     strcpy(szPath, pszUnixPath);
 206     HeapFree(GetProcessHeap(), 0, pszUnixPath);
 207
 208     /* pCanonicalTail always points to the end of the canonical path constructed
 209      * thus far. pPathTail points to the still to be processed part of the input
 210      * path. pElement points to the path element currently investigated.
 211      */
 212     *pszCanonicalPath = '\0';
 213     pCanonicalTail = pszCanonicalPath;
 214     pPathTail = szPath;
 215
 216     do {
 217         char cTemp;
 218         int cLinks = 0;
 219
 220         pElement = pPathTail;
 221         pPathTail = strchr(pPathTail+1, '/');
 222         if (!pPathTail) /* Last path element may not be terminated by '/'. */
 223             pPathTail = pElement + strlen(pElement);
 224         /* Temporarily terminate the current path element. Will be restored later. */
 225         cTemp = *pPathTail;
 226         *pPathTail = '\0';
 227
 228         /* Skip "/." path elements */
 229         if (!strcmp("/.", pElement)) {
 230             *pPathTail = cTemp;
 231             continue;
 232         }
 233
 234         /* Remove last element in canonical path for "/.." elements, then skip. */
 235         if (!strcmp("/..", pElement)) {
 236             char *pTemp = strrchr(pszCanonicalPath, '/');
 237             if (pTemp)
 238                 pCanonicalTail = pTemp;
 239             *pCanonicalTail = '\0';
 240             *pPathTail = cTemp;
 241             continue;
 242         }
 243
 244         /* lstat returns zero on success. */
 245         if (lstat(szPath, &fileStat))
 246             return FALSE;
 247
 248         if (S_ISLNK(fileStat.st_mode)) {
 249             char szSymlink[FILENAME_MAX];
 250             int cLinkLen, cTailLen;
 251
 252             /* Avoid infinite loop for recursive links. */
 253             if (++cLinks > 64)
 254                 return FALSE;
 255
 256             cLinkLen = readlink(szPath, szSymlink, FILENAME_MAX);
 257             if (cLinkLen < 0)
 258                 return FALSE;
 259
 260             *pPathTail = cTemp;
 261             cTailLen = strlen(pPathTail);
 262
 263             if (szSymlink[0] == '/') {
 264                 /* Absolute link. Copy to szPath, concat remaining path and start all over. */
 265                 if (cLinkLen + cTailLen + 1 > FILENAME_MAX)
 266                     return FALSE;
 267
 268                 /* Avoid double slashes. */
 269                 if (szSymlink[cLinkLen-1] == '/' && pPathTail[0] == '/') {
 270                     szSymlink[cLinkLen-1] = '\0';
 271                     cLinkLen--;
 272                 }
 273
 274                 memcpy(szSymlink + cLinkLen, pPathTail, cTailLen + 1);
 275                 memcpy(szPath, szSymlink, cLinkLen + cTailLen + 1);
 276                 *pszCanonicalPath = '\0';
 277                 pCanonicalTail = pszCanonicalPath;
 278                 pPathTail = szPath;
 279             } else {
 280                 /* Relative link. Expand into szPath and continue. */
 281                 char szTemp[FILENAME_MAX];
 282                 int cTailLen = strlen(pPathTail);
 283
 284                 if (pElement - szPath + 1 + cLinkLen + cTailLen + 1 > FILENAME_MAX)
 285                     return FALSE;
 286
 287                 memcpy(szTemp, pPathTail, cTailLen + 1);
 288                 memcpy(pElement + 1, szSymlink, cLinkLen);
 289                 memcpy(pElement + 1 + cLinkLen, szTemp, cTailLen + 1);
 290                 pPathTail = pElement;
 291             }
 292         } else {
 293             /* Regular directory or file. Copy to canonical path */
 294             if (pCanonicalTail - pszCanonicalPath + pPathTail - pElement + 1 > FILENAME_MAX)
 295                 return FALSE;
 296
 297             memcpy(pCanonicalTail, pElement, pPathTail - pElement + 1);
 298             pCanonicalTail += pPathTail - pElement;
 299             *pPathTail = cTemp;
 300         }
 301     } while (pPathTail[0] == '/');
 302
 303     TRACE("--> %s\n", debugstr_a(pszCanonicalPath));
 304
 305     return TRUE;
 306 }
 307
 308 /******************************************************************************
 309  * UNIXFS_build_shitemid [Internal]
 310  *
 311  * Constructs a new SHITEMID for the last component of path 'pszUnixPath' into
 312  * buffer 'pIDL'.
 313  *
 314  * PARAMS
 315  *  pszUnixPath [I] An absolute path. The SHITEMID will be build for the last component.
 316  *  pIDL        [O] SHITEMID will be constructed here.
 317  *
 318  * RETURNS
 319  *  Success: A pointer to the terminating '\0' character of path.
 320  *  Failure: NULL
 321  *
 322  * NOTES
 323  *  Minimum size of pIDL is SHITEMID_LEN_FROM_NAME_LEN(strlen(last_component_of_path)).
 324  *  If what you need is a PIDLLIST with a single SHITEMID, don't forget to append
 325  *  a 0 USHORT value.
 326  */
 327 static char* UNIXFS_build_shitemid(char *pszUnixPath, void *pIDL) {
 328     LARGE_INTEGER time;
 329     FILETIME fileTime;
 330     LPPIDLDATA pIDLData;
 331     struct stat fileStat;
 332     char *pszComponent;
 333     int cComponentLen;
 334
 335     TRACE("(pszUnixPath=%s, pIDL=%p)\n", debugstr_a(pszUnixPath), pIDL);
 336
 337     /* Compute the SHITEMID's length and wipe it. */
 338     pszComponent = strrchr(pszUnixPath, '/') + 1;
 339     cComponentLen = strlen(pszComponent);
 340     memset(pIDL, 0, SHITEMID_LEN_FROM_NAME_LEN(cComponentLen));
 341     ((LPSHITEMID)pIDL)->cb = SHITEMID_LEN_FROM_NAME_LEN(cComponentLen) ;
 342
 343     /* We are only interested in regular files and directories. */
 344     if (stat(pszUnixPath, &fileStat)) return NULL;
 345     if (!S_ISDIR(fileStat.st_mode) && !S_ISREG(fileStat.st_mode)) return NULL;
 346
 347     /* Set shell32's standard SHITEMID data fields. */
 348     pIDLData = _ILGetDataPointer((LPCITEMIDLIST)pIDL);
 349     pIDLData->type = S_ISDIR(fileStat.st_mode) ? PT_FOLDER : PT_VALUE;
 350     pIDLData->u.file.dwFileSize = (DWORD)fileStat.st_size;
 351     RtlSecondsSince1970ToTime( fileStat.st_mtime, &time );
 352     fileTime.dwLowDateTime = time.u.LowPart;
 353     fileTime.dwHighDateTime = time.u.HighPart;
 354     FileTimeToDosDateTime(&fileTime, &pIDLData->u.file.uFileDate, &pIDLData->u.file.uFileTime);
 355     pIDLData->u.file.uFileAttribs = 0;
 356     if (S_ISDIR(fileStat.st_mode)) pIDLData->u.file.uFileAttribs |= FILE_ATTRIBUTE_DIRECTORY;
 357     if (pszComponent[0] == '.') pIDLData->u.file.uFileAttribs |=  FILE_ATTRIBUTE_HIDDEN;
 358     memcpy(pIDLData->u.file.szNames, pszComponent, cComponentLen);
 359
 360     return pszComponent + cComponentLen;
 361 }
 362
 363 /******************************************************************************
 364  * UNIXFS_path_to_pidl [Internal]
 365  *
 366  * PARAMS
 367  *  pUnixFolder [I] If path is relative, pUnixFolder represents the base path
 368  *  path        [I] An absolute unix or dos path or a path relativ to pUnixFolder
 369  *  ppidl       [O] The corresponding ITEMIDLIST. Release with SHFree/ILFree
 370  *
 371  * RETURNS
 372  *  Success: TRUE
 373  *  Failure: FALSE, invalid params or out of memory
 374  *
 375  * NOTES
 376  *  pUnixFolder also carries the information if the path is expected to be unix or dos.
 377  */
 378 static BOOL UNIXFS_path_to_pidl(UnixFolder *pUnixFolder, const WCHAR *path, LPITEMIDLIST *ppidl) {
 379     LPITEMIDLIST pidl;
 380     int cSubDirs, cPidlLen, cPathLen;
 381     char *pSlash, szCompletePath[FILENAME_MAX], *pNextPathElement;
 382
 383     TRACE("pUnixFolder=%p, path=%s, ppidl=%p\n", pUnixFolder, debugstr_w(path), ppidl);
 384
 385     if (!ppidl || !path)
 386         return FALSE;
 387
 388     /* Build an absolute path and let pNextPathElement point to the interesting
 389      * relative sub-path. We need the absolute path to call 'stat', but the pidl
 390      * will only contain the relative part.
 391      */
 392     if ((pUnixFolder->m_dwPathMode == PATHMODE_DOS) && (path[1] == ':'))
 393     {
 394         /* Absolute dos path. Convert to unix */
 395         if (!UNIXFS_get_unix_path(path, szCompletePath))
 396             return FALSE;
 397         pNextPathElement = szCompletePath;
 398     }
 399     else if ((pUnixFolder->m_dwPathMode == PATHMODE_UNIX) && (path[0] == '/'))
 400     {
 401         /* Absolute unix path. Just convert to ANSI. */
 402         WideCharToMultiByte(CP_UNIXCP, 0, path, -1, szCompletePath, FILENAME_MAX, NULL, NULL);
 403         pNextPathElement = szCompletePath;
 404     }
 405     else
 406     {
 407         /* Relative dos or unix path. Concat with this folder's path */
 408         int cBasePathLen = strlen(pUnixFolder->m_pszPath);
 409         memcpy(szCompletePath, pUnixFolder->m_pszPath, cBasePathLen);
 410         WideCharToMultiByte(CP_UNIXCP, 0, path, -1, szCompletePath + cBasePathLen,
 411                             FILENAME_MAX - cBasePathLen, NULL, NULL);
 412         pNextPathElement = szCompletePath + cBasePathLen - 1;
 413
 414         /* If in dos mode, replace '\' with '/' */
 415         if (pUnixFolder->m_dwPathMode == PATHMODE_DOS) {
 416             char *pBackslash = strchr(pNextPathElement, '\\');
 417             while (pBackslash) {
 418                 *pBackslash = '/';
 419                 pBackslash = strchr(pBackslash, '\\');
 420             }
 421         }
 422     }
 423
 424     /* Special case for the root folder. */
 425     if (!strcmp(szCompletePath, "/")) {
 426         *ppidl = pidl = (LPITEMIDLIST)SHAlloc(sizeof(USHORT));
 427         if (!pidl) return FALSE;
 428         pidl->mkid.cb = 0; /* Terminate the ITEMIDLIST */
 429         return TRUE;
 430     }
 431
 432     /* Remove trailing slash, if present */
 433     cPathLen = strlen(szCompletePath);
 434     if (szCompletePath[cPathLen-1] == '/')
 435         szCompletePath[cPathLen-1] = '\0';
 436
 437     if ((szCompletePath[0] != '/') || (pNextPathElement[0] != '/')) {
 438         ERR("szCompletePath: %s, pNextPathElment: %s\n", szCompletePath, pNextPathElement);
 439         return FALSE;
 440     }
 441
 442     /* At this point, we have an absolute unix path in szCompletePath
 443      * and the relative portion of it in pNextPathElement. Both starting with '/'
 444      * and _not_ terminated by a '/'. */
 445     TRACE("complete path: %s, relative path: %s\n", szCompletePath, pNextPathElement);
 446
 447     /* Count the number of sub-directories in the path */
 448     cSubDirs = 0;
 449     pSlash = pNextPathElement;
 450     while (pSlash) {
 451         cSubDirs++;
 452         pSlash = strchr(pSlash+1, '/');
 453     }
 454
 455     /* Allocate enough memory to hold the path. The -cSubDirs is for the '/'
 456      * characters, which are not stored in the ITEMIDLIST. */
 457     cPidlLen = strlen(pNextPathElement) - cSubDirs + cSubDirs * SHITEMID_LEN_FROM_NAME_LEN(0) + sizeof(USHORT);
 458     *ppidl = pidl = (LPITEMIDLIST)SHAlloc(cPidlLen);
 459     if (!pidl) return FALSE;
 460
 461     /* Concatenate the SHITEMIDs of the sub-directories. */
 462     while (*pNextPathElement) {
 463         pSlash = strchr(pNextPathElement+1, '/');
 464         if (pSlash) *pSlash = '\0';
 465         pNextPathElement = UNIXFS_build_shitemid(szCompletePath, pidl);
 466         if (pSlash) *pSlash = '/';
 467
 468         if (!pNextPathElement) {
 469             SHFree(pidl);
 470             return FALSE;
 471         }
 472         pidl = ILGetNext(pidl);
 473     }
 474     pidl->mkid.cb = 0; /* Terminate the ITEMIDLIST */
 475
 476     if ((int)pidl-(int)*ppidl+sizeof(USHORT) != cPidlLen) /* We've corrupted the heap :( */
 477         ERR("Computed length of pidl incorrect. Please report.\n");
 478
 479     return TRUE;
 480 }
 481
 482 /******************************************************************************
 483  * UnixFolder
 484  *
 485  * Class whose heap based instances represent unix filesystem directories.
 486  */
 487
 488 static void UnixFolder_Destroy(UnixFolder *pUnixFolder) {
 489     TRACE("(pUnixFolder=%p)\n", pUnixFolder);
 490
 491     SHFree(pUnixFolder->m_pszPath);
 492     ILFree(pUnixFolder->m_pidlLocation);
 493     SHFree(pUnixFolder);
 494 }
 495
 496 static HRESULT WINAPI UnixFolder_IShellFolder2_QueryInterface(IShellFolder2 *iface, REFIID riid,
 497     void **ppv)
 498 {
 499     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 500
 501     TRACE("(iface=%p, riid=%p, ppv=%p)\n", iface, riid, ppv);
 502
 503     if (!ppv) return E_INVALIDARG;
 504
 505     if (IsEqualIID(&IID_IUnknown, riid) || IsEqualIID(&IID_IShellFolder, riid) ||
 506         IsEqualIID(&IID_IShellFolder2, riid))
 507     {
 508         *ppv = &This->lpIShellFolder2Vtbl;
 509     } else if (IsEqualIID(&IID_IPersistFolder3, riid) || IsEqualIID(&IID_IPersistFolder2, riid) ||
 510                IsEqualIID(&IID_IPersistFolder, riid) || IsEqualIID(&IID_IPersist, riid))
 511     {
 512         *ppv = &This->lpIPersistFolder3Vtbl;
 513     } else if (IsEqualIID(&IID_ISFHelper, riid)) {
 514         *ppv = &This->lpISFHelperVtbl;
 515     } else {
 516         *ppv = NULL;
 517         return E_NOINTERFACE;
 518     }
 519
 520     IUnknown_AddRef((IUnknown*)*ppv);
 521     return S_OK;
 522 }
 523
 524 static ULONG WINAPI UnixFolder_IShellFolder2_AddRef(IShellFolder2 *iface) {
 525     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 526
 527     TRACE("(iface=%p)\n", iface);
 528
 529     return InterlockedIncrement(&This->m_cRef);
 530 }
 531
 532 static ULONG WINAPI UnixFolder_IShellFolder2_Release(IShellFolder2 *iface) {
 533     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 534     ULONG cRef;
 535
 536     TRACE("(iface=%p)\n", iface);
 537
 538     cRef = InterlockedDecrement(&This->m_cRef);
 539
 540     if (!cRef)
 541         UnixFolder_Destroy(This);
 542
 543     return cRef;
 544 }
 545
 546 static HRESULT WINAPI UnixFolder_IShellFolder2_ParseDisplayName(IShellFolder2* iface, HWND hwndOwner,
 547     LPBC pbcReserved, LPOLESTR lpszDisplayName, ULONG* pchEaten, LPITEMIDLIST* ppidl,
 548     ULONG* pdwAttributes)
 549 {
 550     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 551     BOOL result;
 552
 553     TRACE("(iface=%p, hwndOwner=%p, pbcReserved=%p, lpszDisplayName=%s, pchEaten=%p, ppidl=%p, "
 554           "pdwAttributes=%p) stub\n", iface, hwndOwner, pbcReserved, debugstr_w(lpszDisplayName),
 555           pchEaten, ppidl, pdwAttributes);
 556
 557     result = UNIXFS_path_to_pidl(This, lpszDisplayName, ppidl);
 558     if (result && pdwAttributes && *pdwAttributes)
 559     {
 560         IShellFolder *pParentSF;
 561         LPCITEMIDLIST pidlLast;
 562         HRESULT hr;
 563
 564         hr = SHBindToParent(*ppidl, &IID_IShellFolder, (LPVOID*)&pParentSF, &pidlLast);
 565         if (FAILED(hr)) return E_FAIL;
 566         IShellFolder_GetAttributesOf(pParentSF, 1, &pidlLast, pdwAttributes);
 567         IShellFolder_Release(pParentSF);
 568     }
 569
 570     if (!result) TRACE("FAILED!\n");
 571     return result ? S_OK : E_FAIL;
 572 }
 573
 574 static IUnknown *UnixSubFolderIterator_Constructor(UnixFolder *pUnixFolder, SHCONTF fFilter);
 575
 576 static HRESULT WINAPI UnixFolder_IShellFolder2_EnumObjects(IShellFolder2* iface, HWND hwndOwner,
 577     SHCONTF grfFlags, IEnumIDList** ppEnumIDList)
 578 {
 579     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 580     IUnknown *newIterator;
 581     HRESULT hr;
 582
 583     TRACE("(iface=%p, hwndOwner=%p, grfFlags=%08lx, ppEnumIDList=%p)\n",
 584             iface, hwndOwner, grfFlags, ppEnumIDList);
 585
 586     newIterator = UnixSubFolderIterator_Constructor(This, grfFlags);
 587     hr = IUnknown_QueryInterface(newIterator, &IID_IEnumIDList, (void**)ppEnumIDList);
 588     IUnknown_Release(newIterator);
 589
 590     return hr;
 591 }
 592
 593 static HRESULT WINAPI UnixFolder_IShellFolder2_BindToObject(IShellFolder2* iface, LPCITEMIDLIST pidl,
 594     LPBC pbcReserved, REFIID riid, void** ppvOut)
 595 {
 596     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 597     IPersistFolder3 *persistFolder;
 598     LPITEMIDLIST pidlSubFolder;
 599     HRESULT hr;
 600
 601     TRACE("(iface=%p, pidl=%p, pbcReserver=%p, riid=%p, ppvOut=%p)\n",
 602             iface, pidl, pbcReserved, riid, ppvOut);
 603
 604     if (!pidl || !pidl->mkid.cb)
 605         return E_INVALIDARG;
 606
 607     if (This->m_dwPathMode == PATHMODE_DOS)
 608         hr = UnixDosFolder_Constructor(NULL, &IID_IPersistFolder3, (void**)&persistFolder);
 609     else
 610         hr = UnixFolder_Constructor(NULL, &IID_IPersistFolder3, (void**)&persistFolder);
 611
 612     if (!SUCCEEDED(hr)) return hr;
 613     hr = IPersistFolder_QueryInterface(persistFolder, riid, (void**)ppvOut);
 614
 615     pidlSubFolder = ILCombine(This->m_pidlLocation, pidl);
 616     IPersistFolder3_Initialize(persistFolder, pidlSubFolder);
 617     IPersistFolder3_Release(persistFolder);
 618     ILFree(pidlSubFolder);
 619
 620     return hr;
 621 }
 622
 623 static HRESULT WINAPI UnixFolder_IShellFolder2_BindToStorage(IShellFolder2* This, LPCITEMIDLIST pidl,
 624     LPBC pbcReserved, REFIID riid, void** ppvObj)
 625 {
 626     TRACE("stub\n");
 627     return E_NOTIMPL;
 628 }
 629
 630 static HRESULT WINAPI UnixFolder_IShellFolder2_CompareIDs(IShellFolder2* iface, LPARAM lParam,
 631     LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2)
 632 {
 633     BOOL isEmpty1, isEmpty2;
 634     HRESULT hr = E_FAIL;
 635     LPITEMIDLIST firstpidl;
 636     IShellFolder2 *psf;
 637     int compare;
 638
 639     TRACE("(iface=%p, lParam=%ld, pidl1=%p, pidl2=%p)\n", iface, lParam, pidl1, pidl2);
 640
 641     isEmpty1 = !pidl1 || !pidl1->mkid.cb;
 642     isEmpty2 = !pidl2 || !pidl2->mkid.cb;
 643
 644     if (isEmpty1 && isEmpty2)
 645         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, 0);
 646     else if (isEmpty1)
 647         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, (WORD)-1);
 648     else if (isEmpty2)
 649         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, (WORD)1);
 650
 651     if (_ILIsFolder(pidl1) && !_ILIsFolder(pidl2))
 652         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, (WORD)-1);
 653     if (!_ILIsFolder(pidl1) && _ILIsFolder(pidl2))
 654         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, (WORD)1);
 655
 656     compare = CompareStringA(LOCALE_USER_DEFAULT, NORM_IGNORECASE,
 657                              _ILGetTextPointer(pidl1), NAME_LEN_FROM_LPSHITEMID(pidl1),
 658                              _ILGetTextPointer(pidl2), NAME_LEN_FROM_LPSHITEMID(pidl2));
 659
 660     if ((compare == CSTR_LESS_THAN) || (compare == CSTR_GREATER_THAN))
 661         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, (WORD)((compare == CSTR_LESS_THAN)?-1:1));
 662
 663     if (pidl1->mkid.cb < pidl2->mkid.cb)
 664         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, (WORD)-1);
 665     else if (pidl1->mkid.cb > pidl2->mkid.cb)
 666         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, (WORD)1);
 667
 668     firstpidl = ILCloneFirst(pidl1);
 669     pidl1 = ILGetNext(pidl1);
 670     pidl2 = ILGetNext(pidl2);
 671
 672     hr = IShellFolder2_BindToObject(iface, firstpidl, NULL, &IID_IShellFolder, (LPVOID*)&psf);
 673     if (SUCCEEDED(hr)) {
 674         hr = IShellFolder_CompareIDs(psf, lParam, pidl1, pidl2);
 675         IShellFolder2_Release(psf);
 676     }
 677
 678     ILFree(firstpidl);
 679     return hr;
 680 }
 681
 682 static HRESULT WINAPI UnixFolder_IShellFolder2_CreateViewObject(IShellFolder2* iface, HWND hwndOwner,
 683     REFIID riid, void** ppv)
 684 {
 685     HRESULT hr = E_INVALIDARG;
 686
 687     TRACE("(iface=%p, hwndOwner=%p, riid=%p, ppv=%p) stub\n", iface, hwndOwner, riid, ppv);
 688
 689     if (!ppv) return E_INVALIDARG;
 690     *ppv = NULL;
 691
 692     if (IsEqualIID(&IID_IShellView, riid)) {
 693         LPSHELLVIEW pShellView;
 694
 695         pShellView = IShellView_Constructor((IShellFolder*)iface);
 696         if (pShellView) {
 697             hr = IShellView_QueryInterface(pShellView, riid, ppv);
 698             IShellView_Release(pShellView);
 699         }
 700     }
 701
 702     return hr;
 703 }
 704
 705 static HRESULT WINAPI UnixFolder_IShellFolder2_GetAttributesOf(IShellFolder2* iface, UINT cidl,
 706     LPCITEMIDLIST* apidl, SFGAOF* rgfInOut)
 707 {
 708     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 709     HRESULT hr = S_OK;
 710
 711     TRACE("(iface=%p, cidl=%u, apidl=%p, rgfInOut=%p)\n", iface, cidl, apidl, rgfInOut);
 712
 713     if (!rgfInOut || (cidl && !apidl))
 714         return E_INVALIDARG;
 715
 716     if (cidl == 0) {
 717         *rgfInOut &= This->m_dwAttributes;
 718     } else {
 719         char szAbsolutePath[FILENAME_MAX], *pszRelativePath;
 720         UINT i;
 721
 722         *rgfInOut &= SFGAO_FOLDER|SFGAO_HASSUBFOLDER|SFGAO_FILESYSANCESTOR|SFGAO_CANRENAME|
 723                      SFGAO_FILESYSTEM;
 724         lstrcpyA(szAbsolutePath, This->m_pszPath);
 725         pszRelativePath = szAbsolutePath + lstrlenA(szAbsolutePath);
 726         for (i=0; i<cidl; i++) {
 727             if ((*rgfInOut & SFGAO_FILESYSTEM) && !(This->m_dwAttributes & SFGAO_FILESYSTEM)) {
 728                 struct stat fileStat;
 729                 char *pszName = _ILGetTextPointer(apidl[i]);
 730                 if (!pszName) return E_INVALIDARG;
 731                 lstrcpyA(pszRelativePath, pszName);
 732                 if (stat(szAbsolutePath, &fileStat) || !UNIXFS_is_dos_device(&fileStat))
 733                     *rgfInOut &= ~SFGAO_FILESYSTEM;
 734             }
 735             if (!_ILIsFolder(apidl[i]))
 736                 *rgfInOut &= ~(SFGAO_FOLDER|SFGAO_HASSUBFOLDER|SFGAO_FILESYSANCESTOR);
 737         }
 738     }
 739
 740     return hr;
 741 }
 742
 743 static HRESULT WINAPI UnixFolder_IShellFolder2_GetUIObjectOf(IShellFolder2* iface, HWND hwndOwner,
 744     UINT cidl, LPCITEMIDLIST* apidl, REFIID riid, UINT* prgfInOut, void** ppvOut)
 745 {
 746     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 747
 748     TRACE("(iface=%p, hwndOwner=%p, cidl=%d, apidl=%p, riid=%s, prgfInOut=%p, ppv=%p)\n",
 749         iface, hwndOwner, cidl, apidl, debugstr_guid(riid), prgfInOut, ppvOut);
 750
 751     if (IsEqualIID(&IID_IContextMenu, riid)) {
 752         *ppvOut = ISvItemCm_Constructor((IShellFolder*)iface, This->m_pidlLocation, apidl, cidl);
 753         return S_OK;
 754     } else if (IsEqualIID(&IID_IDataObject, riid)) {
 755         *ppvOut = IDataObject_Constructor(hwndOwner, This->m_pidlLocation, apidl, cidl);
 756         return S_OK;
 757     } else if (IsEqualIID(&IID_IExtractIconA, riid)) {
 758         LPITEMIDLIST pidl;
 759         if (cidl != 1) return E_FAIL;
 760         pidl = ILCombine(This->m_pidlLocation, apidl[0]);
 761         *ppvOut = (LPVOID)IExtractIconA_Constructor(pidl);
 762         SHFree(pidl);
 763         return S_OK;
 764     } else if (IsEqualIID(&IID_IExtractIconW, riid)) {
 765         LPITEMIDLIST pidl;
 766         if (cidl != 1) return E_FAIL;
 767         pidl = ILCombine(This->m_pidlLocation, apidl[0]);
 768         *ppvOut = (LPVOID)IExtractIconW_Constructor(pidl);
 769         SHFree(pidl);
 770         return S_OK;
 771     } else if (IsEqualIID(&IID_IDropTarget, riid)) {
 772         FIXME("IDropTarget\n");
 773         return E_FAIL;
 774     } else if (IsEqualIID(&IID_IShellLinkW, riid)) {
 775         FIXME("IShellLinkW\n");
 776         return E_FAIL;
 777     } else if (IsEqualIID(&IID_IShellLinkA, riid)) {
 778         FIXME("IShellLinkA\n");
 779         return E_FAIL;
 780     } else {
 781         FIXME("Unknown interface %s in GetUIObjectOf\n", debugstr_guid(riid));
 782         return E_NOINTERFACE;
 783     }
 784 }
 785
 786 static HRESULT WINAPI UnixFolder_IShellFolder2_GetDisplayNameOf(IShellFolder2* iface,
 787     LPCITEMIDLIST pidl, SHGDNF uFlags, STRRET* lpName)
 788 {
 789     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 790     HRESULT hr = S_OK;
 791
 792     TRACE("(iface=%p, pidl=%p, uFlags=%lx, lpName=%p)\n", iface, pidl, uFlags, lpName);
 793
 794     if ((GET_SHGDN_FOR(uFlags) & SHGDN_FORPARSING) &&
 795         (GET_SHGDN_RELATION(uFlags) != SHGDN_INFOLDER))
 796     {
 797         if (!pidl->mkid.cb) {
 798             lpName->uType = STRRET_CSTR;
 799             strcpy(lpName->u.cStr, This->m_pszPath);
 800             if (This->m_dwPathMode == PATHMODE_DOS) {
 801                 char path[MAX_PATH];
 802                 GetFullPathNameA(lpName->u.cStr, MAX_PATH, path, NULL);
 803                 PathRemoveBackslashA(path);
 804                 strcpy(lpName->u.cStr, path);
 805             }
 806         } else {
 807             IShellFolder *pSubFolder;
 808             USHORT emptyIDL = 0;
 809
 810             hr = IShellFolder_BindToObject(iface, pidl, NULL, &IID_IShellFolder, (void**)&pSubFolder);
 811             if (!SUCCEEDED(hr)) return hr;
 812
 813             hr = IShellFolder_GetDisplayNameOf(pSubFolder, (LPITEMIDLIST)&emptyIDL, uFlags, lpName);
 814             IShellFolder_Release(pSubFolder);
 815         }
 816     } else {
 817         char *pszFileName = _ILGetTextPointer(pidl);
 818         lpName->uType = STRRET_CSTR;
 819         strcpy(lpName->u.cStr, pszFileName ? pszFileName : "");
 820     }
 821
 822     /* If in dos mode, do some post-processing on the path.
 823      * (e.g. remove filename extension, if uFlags & SHGDN_FOREDITING)
 824      */
 825     if (SUCCEEDED(hr) && This->m_dwPathMode == PATHMODE_DOS && !_ILIsFolder(pidl))
 826         SHELL_FS_ProcessDisplayFilename(lpName->u.cStr, uFlags);
 827
 828     TRACE("--> %s\n", lpName->u.cStr);
 829
 830     return hr;
 831 }
 832
 833 static HRESULT WINAPI UnixFolder_IShellFolder2_SetNameOf(IShellFolder2* iface, HWND hwnd,
 834     LPCITEMIDLIST pidl, LPCOLESTR lpszName, SHGDNF uFlags, LPITEMIDLIST* ppidlOut)
 835 {
 836     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 837
 838     char szSrc[FILENAME_MAX], szDest[FILENAME_MAX], szDosDest[MAX_PATH];
 839     WCHAR wszDosDest[MAX_PATH];
 840     int cBasePathLen = lstrlenA(This->m_pszPath);
 841     struct stat statDest;
 842     LPITEMIDLIST pidlSrc, pidlDest;
 843
 844     TRACE("(iface=%p, hwnd=%p, pidl=%p, lpszName=%s, uFlags=0x%08lx, ppidlOut=%p)\n",
 845           iface, hwnd, pidl, debugstr_w(lpszName), uFlags, ppidlOut);
 846
 847     /* pidl has to contain a single non-empty SHITEMID */
 848     if (_ILIsDesktop(pidl) || !_ILIsPidlSimple(pidl) || !_ILGetTextPointer(pidl))
 849         return E_INVALIDARG;
 850
 851     if (ppidlOut)
 852         *ppidlOut = NULL;
 853
 854     /* build source path */
 855     memcpy(szSrc, This->m_pszPath, cBasePathLen);
 856     lstrcpyA(szSrc+cBasePathLen, _ILGetTextPointer(pidl));
 857
 858     /* build destination path */
 859     if (uFlags & SHGDN_FORPARSING) { /* absolute path in lpszName */
 860         WideCharToMultiByte(CP_UNIXCP, 0, lpszName, -1, szDest, FILENAME_MAX, NULL, NULL);
 861     } else {
 862         WCHAR wszSrcRelative[MAX_PATH];
 863         memcpy(szDest, This->m_pszPath, cBasePathLen);
 864         WideCharToMultiByte(CP_UNIXCP, 0, lpszName, -1, szDest+cBasePathLen,
 865                             FILENAME_MAX-cBasePathLen, NULL, NULL);
 866
 867         /* uFlags is SHGDN_FOREDITING of SHGDN_FORADDRESSBAR. If the filename's
 868          * extension is hidden to the user, we have to append it. */
 869         if (_ILSimpleGetTextW(pidl, wszSrcRelative, MAX_PATH) &&
 870             SHELL_FS_HideExtension(wszSrcRelative))
 871         {
 872             char *pszExt = PathFindExtensionA(_ILGetTextPointer(pidl));
 873             lstrcatA(szDest, pszExt);
 874         }
 875     }
 876
 877     TRACE("src=%s dest=%s\n", szSrc, szDest);
 878
 879     /* Fail, if destination does already exist */
 880     if (!stat(szDest, &statDest))
 881         return E_FAIL;
 882
 883     /* Rename the file */
 884     if (rename(szSrc, szDest))
 885         return E_FAIL;
 886
 887     /* Build a pidl for the path of the renamed file */
 888     if (!GetFullPathNameA(szDest, MAX_PATH, szDosDest, NULL) ||
 889         !MultiByteToWideChar(CP_UNIXCP, 0, szDosDest, -1, wszDosDest, MAX_PATH) ||
 890         !UNIXFS_path_to_pidl(This, wszDosDest, &pidlDest))
 891     {
 892         rename(szDest, szSrc); /* Undo the renaming */
 893         return E_FAIL;
 894     }
 895
 896     /* Inform the shell */
 897     pidlSrc = ILCombine(This->m_pidlLocation, pidl);
 898     if (_ILIsFolder(ILFindLastID(pidlDest)))
 899         SHChangeNotify(SHCNE_RENAMEFOLDER, SHCNF_IDLIST, pidlSrc, pidlDest);
 900     else
 901         SHChangeNotify(SHCNE_RENAMEITEM, SHCNF_IDLIST, pidlSrc, pidlDest);
 902     ILFree(pidlSrc);
 903     ILFree(pidlDest);
 904
 905     if (ppidlOut)
 906         _ILCreateFromPathW(wszDosDest, ppidlOut);
 907
 908     return S_OK;
 909 }
 910
 911 static HRESULT WINAPI UnixFolder_IShellFolder2_EnumSearches(IShellFolder2* iface,
 912     IEnumExtraSearch **ppEnum)
 913 {
 914     TRACE("stub\n");
 915     return E_NOTIMPL;
 916 }
 917
 918 static HRESULT WINAPI UnixFolder_IShellFolder2_GetDefaultColumn(IShellFolder2* iface,
 919     DWORD dwReserved, ULONG *pSort, ULONG *pDisplay)
 920 {
 921     TRACE("stub\n");
 922     return E_NOTIMPL;
 923 }
 924
 925 static HRESULT WINAPI UnixFolder_IShellFolder2_GetDefaultColumnState(IShellFolder2* iface,
 926     UINT iColumn, SHCOLSTATEF *pcsFlags)
 927 {
 928     TRACE("stub\n");
 929     return E_NOTIMPL;
 930 }
 931
 932 static HRESULT WINAPI UnixFolder_IShellFolder2_GetDefaultSearchGUID(IShellFolder2* iface,
 933     GUID *pguid)
 934 {
 935     TRACE("stub\n");
 936     return E_NOTIMPL;
 937 }
 938
 939 static HRESULT WINAPI UnixFolder_IShellFolder2_GetDetailsEx(IShellFolder2* iface,
 940     LPCITEMIDLIST pidl, const SHCOLUMNID *pscid, VARIANT *pv)
 941 {
 942     TRACE("stub\n");
 943     return E_NOTIMPL;
 944 }
 945
 946 #define SHELLVIEWCOLUMNS 7
 947
 948 static HRESULT WINAPI UnixFolder_IShellFolder2_GetDetailsOf(IShellFolder2* iface,
 949     LPCITEMIDLIST pidl, UINT iColumn, SHELLDETAILS *psd)
 950 {
 951     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 952     HRESULT hr = E_FAIL;
 953     struct passwd *pPasswd;
 954     struct group *pGroup;
 955     static const shvheader SFHeader[SHELLVIEWCOLUMNS] = {
 956         {IDS_SHV_COLUMN1,  SHCOLSTATE_TYPE_STR  | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 15},
 957         {IDS_SHV_COLUMN2,  SHCOLSTATE_TYPE_STR  | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 10},
 958         {IDS_SHV_COLUMN3,  SHCOLSTATE_TYPE_STR  | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 10},
 959         {IDS_SHV_COLUMN4,  SHCOLSTATE_TYPE_DATE | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 12},
 960         {IDS_SHV_COLUMN5,  SHCOLSTATE_TYPE_STR  | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 9},
 961         {IDS_SHV_COLUMN10, SHCOLSTATE_TYPE_STR  | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 7},
 962         {IDS_SHV_COLUMN11, SHCOLSTATE_TYPE_STR  | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 7}
 963     };
 964
 965     TRACE("(iface=%p, pidl=%p, iColumn=%d, psd=%p) stub\n", iface, pidl, iColumn, psd);
 966
 967     if (!psd || iColumn >= SHELLVIEWCOLUMNS)
 968         return E_INVALIDARG;
 969
 970     if (!pidl) {
 971         psd->fmt = SFHeader[iColumn].fmt;
 972         psd->cxChar = SFHeader[iColumn].cxChar;
 973         psd->str.uType = STRRET_CSTR;
 974         LoadStringA(shell32_hInstance, SFHeader[iColumn].colnameid, psd->str.u.cStr, MAX_PATH);
 975         return S_OK;
 976     } else {
 977         struct stat statItem;
 978         if (iColumn == 4 || iColumn == 5 || iColumn == 6) {
 979             char szPath[FILENAME_MAX], *pszFile = _ILGetTextPointer(pidl);
 980             if (!pszFile)
 981                 return E_INVALIDARG;
 982             lstrcpyA(szPath, This->m_pszPath);
 983             lstrcatA(szPath, pszFile);
 984             if (stat(szPath, &statItem))
 985                 return E_INVALIDARG;
 986         }
 987         psd->str.u.cStr[0] = '\0';
 988         psd->str.uType = STRRET_CSTR;
 989         switch (iColumn) {
 990             case 0:
 991                 hr = IShellFolder2_GetDisplayNameOf(iface, pidl, SHGDN_NORMAL|SHGDN_INFOLDER, &psd->str);
 992                 break;
 993             case 1:
 994                 _ILGetFileSize(pidl, psd->str.u.cStr, MAX_PATH);
 995                 break;
 996             case 2:
 997                 _ILGetFileType (pidl, psd->str.u.cStr, MAX_PATH);
 998                 break;
 999             case 3:
1000                 _ILGetFileDate(pidl, psd->str.u.cStr, MAX_PATH);
1001                 break;
1002             case 4:
1003                 psd->str.u.cStr[0] = S_ISDIR(statItem.st_mode) ? 'd' : '-';
1004                 psd->str.u.cStr[1] = (statItem.st_mode & S_IRUSR) ? 'r' : '-';
1005                 psd->str.u.cStr[2] = (statItem.st_mode & S_IWUSR) ? 'w' : '-';
1006                 psd->str.u.cStr[3] = (statItem.st_mode & S_IXUSR) ? 'x' : '-';
1007                 psd->str.u.cStr[4] = (statItem.st_mode & S_IRGRP) ? 'r' : '-';
1008                 psd->str.u.cStr[5] = (statItem.st_mode & S_IWGRP) ? 'w' : '-';
1009                 psd->str.u.cStr[6] = (statItem.st_mode & S_IXGRP) ? 'x' : '-';
1010                 psd->str.u.cStr[7] = (statItem.st_mode & S_IROTH) ? 'r' : '-';
1011                 psd->str.u.cStr[8] = (statItem.st_mode & S_IWOTH) ? 'w' : '-';
1012                 psd->str.u.cStr[9] = (statItem.st_mode & S_IXOTH) ? 'x' : '-';
1013                 psd->str.u.cStr[10] = '\0';
1014                 break;
1015             case 5:
1016                 pPasswd = getpwuid(statItem.st_uid);
1017                 if (pPasswd) strcpy(psd->str.u.cStr, pPasswd->pw_name);
1018                 break;
1019             case 6:
1020                 pGroup = getgrgid(statItem.st_gid);
1021                 if (pGroup) strcpy(psd->str.u.cStr, pGroup->gr_name);
1022                 break;
1023         }
1024     }
1025
1026     return hr;
1027 }
1028
1029 static HRESULT WINAPI UnixFolder_IShellFolder2_MapColumnToSCID(IShellFolder2* iface, UINT iColumn,
1030     SHCOLUMNID *pscid)
1031 {
1032     TRACE("stub\n");
1033     return E_NOTIMPL;
1034 }
1035
1036 /* VTable for UnixFolder's IShellFolder2 interface.
1037  */
1038 static const IShellFolder2Vtbl UnixFolder_IShellFolder2_Vtbl = {
1039     UnixFolder_IShellFolder2_QueryInterface,
1040     UnixFolder_IShellFolder2_AddRef,
1041     UnixFolder_IShellFolder2_Release,
1042     UnixFolder_IShellFolder2_ParseDisplayName,
1043     UnixFolder_IShellFolder2_EnumObjects,
1044     UnixFolder_IShellFolder2_BindToObject,
1045     UnixFolder_IShellFolder2_BindToStorage,
1046     UnixFolder_IShellFolder2_CompareIDs,
1047     UnixFolder_IShellFolder2_CreateViewObject,
1048     UnixFolder_IShellFolder2_GetAttributesOf,
1049     UnixFolder_IShellFolder2_GetUIObjectOf,
1050     UnixFolder_IShellFolder2_GetDisplayNameOf,
1051     UnixFolder_IShellFolder2_SetNameOf,
1052     UnixFolder_IShellFolder2_GetDefaultSearchGUID,
1053     UnixFolder_IShellFolder2_EnumSearches,
1054     UnixFolder_IShellFolder2_GetDefaultColumn,
1055     UnixFolder_IShellFolder2_GetDefaultColumnState,
1056     UnixFolder_IShellFolder2_GetDetailsEx,
1057     UnixFolder_IShellFolder2_GetDetailsOf,
1058     UnixFolder_IShellFolder2_MapColumnToSCID
1059 };
1060
1061 static HRESULT WINAPI UnixFolder_IPersistFolder3_QueryInterface(IPersistFolder3* This, REFIID riid,
1062     void** ppvObject)
1063 {
1064     return UnixFolder_IShellFolder2_QueryInterface(
1065                 (IShellFolder2*)ADJUST_THIS(UnixFolder, IPersistFolder3, This), riid, ppvObject);
1066 }
1067
1068 static ULONG WINAPI UnixFolder_IPersistFolder3_AddRef(IPersistFolder3* This)
1069 {
1070     return UnixFolder_IShellFolder2_AddRef(
1071                 (IShellFolder2*)ADJUST_THIS(UnixFolder, IPersistFolder3, This));
1072 }
1073
1074 static ULONG WINAPI UnixFolder_IPersistFolder3_Release(IPersistFolder3* This)
1075 {
1076     return UnixFolder_IShellFolder2_Release(
1077                 (IShellFolder2*)ADJUST_THIS(UnixFolder, IPersistFolder3, This));
1078 }
1079
1080 static HRESULT WINAPI UnixFolder_IPersistFolder3_GetClassID(IPersistFolder3* This, CLSID* pClassID)
1081 {
1082     TRACE("stub\n");
1083     return E_NOTIMPL;
1084 }
1085
1086 static HRESULT WINAPI UnixFolder_IPersistFolder3_Initialize(IPersistFolder3* iface, LPCITEMIDLIST pidl)
1087 {
1088     UnixFolder *This = ADJUST_THIS(UnixFolder, IPersistFolder3, iface);
1089     struct stat statPrefix;
1090     LPCITEMIDLIST current = pidl, root;
1091     DWORD dwPathLen;
1092     char *pNextDir, szBasePath[FILENAME_MAX] = "/";
1093
1094     TRACE("(iface=%p, pidl=%p)\n", iface, pidl);
1095
1096     /* Find the UnixFolderClass root */
1097     while (current->mkid.cb) {
1098         if (_ILIsSpecialFolder(current) &&
1099             (IsEqualIID(&CLSID_UnixFolder, _ILGetGUIDPointer(current)) ||
1100              IsEqualIID(&CLSID_UnixDosFolder, _ILGetGUIDPointer(current))))
1101         {
1102             break;
1103         }
1104         current = ILGetNext(current);
1105     }
1106
1107     if (current && current->mkid.cb) {
1108         root = current = ILGetNext(current);
1109         dwPathLen = 2; /* For the '/' prefix and the terminating '\0' */
1110     } else if (_ILIsDesktop(pidl) || _ILIsValue(pidl) || _ILIsFolder(pidl)) {
1111         /* Path rooted at Desktop */
1112         WCHAR wszDesktopPath[MAX_PATH];
1113         if (FAILED(SHGetSpecialFolderPathW(0, wszDesktopPath, CSIDL_DESKTOP, FALSE)))
1114            return E_FAIL;
1115         PathAddBackslashW(wszDesktopPath);
1116         if (!UNIXFS_get_unix_path(wszDesktopPath, szBasePath))
1117             return E_FAIL;
1118         dwPathLen = strlen(szBasePath) + 1;
1119         root = current = pidl;
1120     } else {
1121         ERR("Unknown pidl type!\n");
1122         pdump(pidl);
1123         return E_INVALIDARG;
1124     }
1125
1126     /* Determine the path's length bytes */
1127     while (current && current->mkid.cb) {
1128         dwPathLen += NAME_LEN_FROM_LPSHITEMID(current) + 1; /* For the '/' */
1129         current = ILGetNext(current);
1130     };
1131
1132     /* Build the path */
1133     This->m_dwAttributes = SFGAO_FOLDER|SFGAO_HASSUBFOLDER|SFGAO_FILESYSANCESTOR|SFGAO_CANRENAME;
1134     This->m_pidlLocation = ILClone(pidl);
1135     This->m_pszPath = pNextDir = SHAlloc(dwPathLen);
1136     if (!This->m_pszPath || !This->m_pidlLocation) {
1137         WARN("SHAlloc failed!\n");
1138         return E_FAIL;
1139     }
1140     current = root;
1141     strcpy(pNextDir, szBasePath);
1142     pNextDir += strlen(szBasePath);
1143     if (This->m_dwPathMode == PATHMODE_UNIX)
1144         This->m_dwAttributes |= SFGAO_FILESYSTEM;
1145     if (!(This->m_dwAttributes & SFGAO_FILESYSTEM)) {
1146         *pNextDir = '\0';
1147         if (!stat(This->m_pszPath, &statPrefix) && UNIXFS_is_dos_device(&statPrefix))
1148             This->m_dwAttributes |= SFGAO_FILESYSTEM;
1149     }
1150     while (current && current->mkid.cb) {
1151         memcpy(pNextDir, _ILGetTextPointer(current), NAME_LEN_FROM_LPSHITEMID(current));
1152         pNextDir += NAME_LEN_FROM_LPSHITEMID(current);
1153         if (!(This->m_dwAttributes & SFGAO_FILESYSTEM)) {
1154             *pNextDir = '\0';
1155             if (!stat(This->m_pszPath, &statPrefix) && UNIXFS_is_dos_device(&statPrefix))
1156                 This->m_dwAttributes |= SFGAO_FILESYSTEM;
1157         }
1158         *pNextDir++ = '/';
1159         current = ILGetNext(current);
1160     }
1161     *pNextDir='\0';
1162
1163     return S_OK;
1164 }
1165
1166 static HRESULT WINAPI UnixFolder_IPersistFolder3_GetCurFolder(IPersistFolder3* iface, LPITEMIDLIST* ppidl)
1167 {
1168     UnixFolder *This = ADJUST_THIS(UnixFolder, IPersistFolder3, iface);
1169
1170     TRACE ("(iface=%p, ppidl=%p)\n", iface, ppidl);
1171
1172     if (!ppidl)
1173         return E_POINTER;
1174     *ppidl = ILClone (This->m_pidlLocation);
1175     return S_OK;
1176 }
1177
1178 static HRESULT WINAPI UnixFolder_IPersistFolder3_InitializeEx(IPersistFolder3 *iface, IBindCtx *pbc,
1179     LPCITEMIDLIST pidlRoot, const PERSIST_FOLDER_TARGET_INFO *ppfti)
1180 {
1181     UnixFolder *This = ADJUST_THIS(UnixFolder, IPersistFolder3, iface);
1182     WCHAR wszTargetDosPath[MAX_PATH];
1183     char szTargetPath[FILENAME_MAX] = "";
1184
1185     TRACE("(iface=%p, pbc=%p, pidlRoot=%p, ppfti=%p)\n", iface, pbc, pidlRoot, ppfti);
1186
1187     /* If no PERSIST_FOLDER_TARGET_INFO is given InitializeEx is equivalent to Initialize. */
1188     if (!ppfti)
1189         return IPersistFolder3_Initialize(iface, pidlRoot);
1190
1191     if (ppfti->csidl != -1) {
1192         if (SUCCEEDED(SHGetFolderPathW(0, ppfti->csidl, NULL, 0, wszTargetDosPath))) {
1193             UNIXFS_get_unix_path(wszTargetDosPath, szTargetPath);
1194         }
1195     } else if (*ppfti->szTargetParsingName) {
1196         UNIXFS_get_unix_path(ppfti->szTargetParsingName, szTargetPath);
1197     } else if (ppfti->pidlTargetFolder) {
1198         if (SHGetPathFromIDListW(ppfti->pidlTargetFolder, wszTargetDosPath)) {
1199             UNIXFS_get_unix_path(wszTargetDosPath, szTargetPath);
1200         }
1201     }
1202
1203     This->m_pszPath = SHAlloc(lstrlenA(szTargetPath)+1);
1204     if (!This->m_pszPath)
1205         return E_FAIL;
1206     lstrcpyA(This->m_pszPath, szTargetPath);
1207     This->m_pidlLocation = ILClone(pidlRoot);
1208     This->m_dwAttributes = (ppfti->dwAttributes == -1) ? ppfti->dwAttributes :
1209         SFGAO_FOLDER|SFGAO_HASSUBFOLDER|SFGAO_FILESYSANCESTOR|SFGAO_CANRENAME|SFGAO_FILESYSTEM;
1210
1211     return S_OK;
1212 }
1213
1214 static HRESULT WINAPI UnixFolder_IPersistFolder3_GetFolderTargetInfo(IPersistFolder3 *iface,
1215     PERSIST_FOLDER_TARGET_INFO *ppfti)
1216 {
1217     FIXME("(iface=%p, ppfti=%p) stub\n", iface, ppfti);
1218     return E_NOTIMPL;
1219 }
1220
1221 /* VTable for UnixFolder's IPersistFolder interface.
1222  */
1223 static const IPersistFolder3Vtbl UnixFolder_IPersistFolder3_Vtbl = {
1224     UnixFolder_IPersistFolder3_QueryInterface,
1225     UnixFolder_IPersistFolder3_AddRef,
1226     UnixFolder_IPersistFolder3_Release,
1227     UnixFolder_IPersistFolder3_GetClassID,
1228     UnixFolder_IPersistFolder3_Initialize,
1229     UnixFolder_IPersistFolder3_GetCurFolder,
1230     UnixFolder_IPersistFolder3_InitializeEx,
1231     UnixFolder_IPersistFolder3_GetFolderTargetInfo
1232 };
1233
1234 static HRESULT WINAPI UnixFolder_ISFHelper_QueryInterface(ISFHelper* iface, REFIID riid,
1235     void** ppvObject)
1236 {
1237     return UnixFolder_IShellFolder2_QueryInterface(
1238                 (IShellFolder2*)ADJUST_THIS(UnixFolder, ISFHelper, iface), riid, ppvObject);
1239 }
1240
1241 static ULONG WINAPI UnixFolder_ISFHelper_AddRef(ISFHelper* iface)
1242 {
1243     return UnixFolder_IShellFolder2_AddRef(
1244                 (IShellFolder2*)ADJUST_THIS(UnixFolder, ISFHelper, iface));
1245 }
1246
1247 static ULONG WINAPI UnixFolder_ISFHelper_Release(ISFHelper* iface)
1248 {
1249     return UnixFolder_IShellFolder2_Release(
1250                 (IShellFolder2*)ADJUST_THIS(UnixFolder, ISFHelper, iface));
1251 }
1252
1253 static HRESULT WINAPI UnixFolder_ISFHelper_GetUniqueName(ISFHelper* iface, LPSTR lpName, UINT uLen)
1254 {
1255     UnixFolder *This = ADJUST_THIS(UnixFolder, ISFHelper, iface);
1256     IEnumIDList *pEnum;
1257     HRESULT hr;
1258     LPITEMIDLIST pidlElem;
1259     DWORD dwFetched;
1260     int i;
1261     static const char szNewFolder[] = "New Folder";
1262
1263     TRACE("(iface=%p, lpName=%p, uLen=%u)\n", iface, lpName, uLen);
1264
1265     if (uLen < sizeof(szNewFolder)+3)
1266         return E_INVALIDARG;
1267
1268     hr = IShellFolder2_EnumObjects(STATIC_CAST(IShellFolder2, This), 0,
1269                                    SHCONTF_FOLDERS|SHCONTF_NONFOLDERS|SHCONTF_INCLUDEHIDDEN, &pEnum);
1270     if (SUCCEEDED(hr)) {
1271         lstrcpyA(lpName, szNewFolder);
1272         IEnumIDList_Reset(pEnum);
1273         i = 2;
1274         while ((IEnumIDList_Next(pEnum, 1, &pidlElem, &dwFetched) == S_OK) && (dwFetched == 1)) {
1275             if (!strcasecmp(_ILGetTextPointer(pidlElem), lpName)) {
1276                 IEnumIDList_Reset(pEnum);
1277                 sprintf(lpName, "%s %d", szNewFolder, i++);
1278                 if (i > 99) {
1279                     hr = E_FAIL;
1280                     break;
1281                 }
1282             }
1283         }
1284         IEnumIDList_Release(pEnum);
1285     }
1286     return hr;
1287 }
1288
1289 static HRESULT WINAPI UnixFolder_ISFHelper_AddFolder(ISFHelper* iface, HWND hwnd, LPCSTR pszName,
1290     LPITEMIDLIST* ppidlOut)
1291 {
1292     UnixFolder *This = ADJUST_THIS(UnixFolder, ISFHelper, iface);
1293     char szNewDir[FILENAME_MAX];
1294
1295     TRACE("(iface=%p, hwnd=%p, pszName=%s, ppidlOut=%p)\n", iface, hwnd, pszName, ppidlOut);
1296
1297     if (ppidlOut)
1298         *ppidlOut = NULL;
1299
1300     lstrcpyA(szNewDir, This->m_pszPath);
1301     lstrcatA(szNewDir, pszName);
1302
1303     if (mkdir(szNewDir, 0755)) {
1304         char szMessage[256 + FILENAME_MAX];
1305         char szCaption[256];
1306
1307         LoadStringA(shell32_hInstance, IDS_CREATEFOLDER_DENIED, szCaption, sizeof(szCaption));
1308         sprintf(szMessage, szCaption, szNewDir);
1309         LoadStringA(shell32_hInstance, IDS_CREATEFOLDER_CAPTION, szCaption, sizeof(szCaption));
1310         MessageBoxA(hwnd, szMessage, szCaption, MB_OK | MB_ICONEXCLAMATION);
1311
1312         return E_FAIL;
1313     } else {
1314         LPITEMIDLIST pidlRelative;
1315         WCHAR wszName[MAX_PATH];
1316
1317         /* Inform the shell */
1318         MultiByteToWideChar(CP_UNIXCP, 0, pszName, -1, wszName, MAX_PATH);
1319         if (UNIXFS_path_to_pidl(This, wszName, &pidlRelative)) {
1320             LPITEMIDLIST pidlAbsolute = ILCombine(This->m_pidlLocation, pidlRelative);
1321             if (ppidlOut)
1322                 *ppidlOut = pidlRelative;
1323             else
1324                 ILFree(pidlRelative);
1325             SHChangeNotify(SHCNE_MKDIR, SHCNF_IDLIST, pidlAbsolute, NULL);
1326             ILFree(pidlAbsolute);
1327         }
1328         return S_OK;
1329     }
1330 }
1331
1332 static HRESULT WINAPI UnixFolder_ISFHelper_DeleteItems(ISFHelper* iface, UINT cidl,
1333     LPCITEMIDLIST* apidl)
1334 {
1335     UnixFolder *This = ADJUST_THIS(UnixFolder, ISFHelper, iface);
1336     char szAbsolute[FILENAME_MAX], *pszRelative;
1337     LPITEMIDLIST pidlAbsolute;
1338     HRESULT hr = S_OK;
1339     UINT i;
1340
1341     TRACE("(iface=%p, cidl=%d, apidl=%p)\n", iface, cidl, apidl);
1342
1343     lstrcpyA(szAbsolute, This->m_pszPath);
1344     pszRelative = szAbsolute + lstrlenA(szAbsolute);
1345
1346     for (i=0; i<cidl && SUCCEEDED(hr); i++) {
1347         lstrcpyA(pszRelative, _ILGetTextPointer(apidl[i]));
1348         pidlAbsolute = ILCombine(This->m_pidlLocation, apidl[i]);
1349         if (_ILIsFolder(apidl[i])) {
1350             if (rmdir(szAbsolute)) {
1351                 hr = E_FAIL;
1352             } else {
1353                 SHChangeNotify(SHCNE_RMDIR, SHCNF_IDLIST, pidlAbsolute, NULL);
1354             }
1355         } else if (_ILIsValue(apidl[i])) {
1356             if (unlink(szAbsolute)) {
1357                 hr = E_FAIL;
1358             } else {
1359                 SHChangeNotify(SHCNE_DELETE, SHCNF_IDLIST, pidlAbsolute, NULL);
1360             }
1361         }
1362         ILFree(pidlAbsolute);
1363     }
1364
1365     return hr;
1366 }
1367
1368 static HRESULT WINAPI UnixFolder_ISFHelper_CopyItems(ISFHelper* iface, IShellFolder *psfFrom,
1369     UINT cidl, LPCITEMIDLIST *apidl)
1370 {
1371     UnixFolder *This = ADJUST_THIS(UnixFolder, ISFHelper, iface);
1372     DWORD dwAttributes;
1373     UINT i;
1374     HRESULT hr;
1375     char szAbsoluteDst[FILENAME_MAX], *pszRelativeDst;
1376
1377     TRACE("(iface=%p, psfFrom=%p, cidl=%d, apidl=%p): semi-stub\n", iface, psfFrom, cidl, apidl);
1378
1379     if (!psfFrom || !cidl || !apidl)
1380         return E_INVALIDARG;
1381
1382     /* All source items have to be filesystem items. */
1383     dwAttributes = SFGAO_FILESYSTEM;
1384     hr = IShellFolder_GetAttributesOf(psfFrom, cidl, apidl, &dwAttributes);
1385     if (FAILED(hr) || !(dwAttributes & SFGAO_FILESYSTEM))
1386         return E_INVALIDARG;
1387
1388     lstrcpyA(szAbsoluteDst, This->m_pszPath);
1389     pszRelativeDst = szAbsoluteDst + strlen(szAbsoluteDst);
1390
1391     for (i=0; i<cidl; i++) {
1392         WCHAR wszSrc[MAX_PATH];
1393         char szSrc[FILENAME_MAX];
1394         STRRET strret;
1395
1396         /* Build the unix path of the current source item. */
1397         if (FAILED(IShellFolder_GetDisplayNameOf(psfFrom, apidl[i], SHGDN_FORPARSING, &strret)))
1398             return E_FAIL;
1399         if (FAILED(StrRetToBufW(&strret, apidl[i], wszSrc, MAX_PATH)))
1400             return E_FAIL;
1401         if (!UNIXFS_get_unix_path(wszSrc, szSrc))
1402             return E_FAIL;
1403
1404         /* Build the unix path of the current destination item */
1405         lstrcpyA(pszRelativeDst, _ILGetTextPointer(apidl[i]));
1406
1407         FIXME("Would copy %s to %s. Not yet implemented.\n", szSrc, szAbsoluteDst);
1408     }
1409     return S_OK;
1410 }
1411
1412 /* VTable for UnixFolder's ISFHelper interface
1413  */
1414 static const ISFHelperVtbl UnixFolder_ISFHelper_Vtbl = {
1415     UnixFolder_ISFHelper_QueryInterface,
1416     UnixFolder_ISFHelper_AddRef,
1417     UnixFolder_ISFHelper_Release,
1418     UnixFolder_ISFHelper_GetUniqueName,
1419     UnixFolder_ISFHelper_AddFolder,
1420     UnixFolder_ISFHelper_DeleteItems,
1421     UnixFolder_ISFHelper_CopyItems
1422 };
1423
1424 /******************************************************************************
1425  * Unix[Dos]Folder_Constructor [Internal]
1426  *
1427  * PARAMS
1428  *  pUnkOuter [I] Outer class for aggregation. Currently ignored.
1429  *  riid      [I] Interface asked for by the client.
1430  *  ppv       [O] Pointer to an riid interface to the UnixFolder object.
1431  *
1432  * NOTES
1433  *  Those are the only functions exported from shfldr_unixfs.c. They are called from
1434  *  shellole.c's default class factory and thus have to exhibit a LPFNCREATEINSTANCE
1435  *  compatible signature.
1436  *
1437  *  The UnixDosFolder_Constructor sets the dwPathMode member to PATHMODE_DOS. This
1438  *  means that paths are converted from dos to unix and back at the interfaces.
1439  */
1440 static HRESULT CreateUnixFolder(IUnknown *pUnkOuter, REFIID riid, LPVOID *ppv, DWORD dwPathMode) {
1441     HRESULT hr = E_FAIL;
1442     UnixFolder *pUnixFolder = SHAlloc((ULONG)sizeof(UnixFolder));
1443
1444     if(pUnixFolder) {
1445         pUnixFolder->lpIShellFolder2Vtbl = &UnixFolder_IShellFolder2_Vtbl;
1446         pUnixFolder->lpIPersistFolder3Vtbl = &UnixFolder_IPersistFolder3_Vtbl;
1447         pUnixFolder->lpISFHelperVtbl = &UnixFolder_ISFHelper_Vtbl;
1448         pUnixFolder->m_cRef = 0;
1449         pUnixFolder->m_pszPath = NULL;
1450         pUnixFolder->m_dwPathMode = dwPathMode;
1451
1452         UnixFolder_IShellFolder2_AddRef(STATIC_CAST(IShellFolder2, pUnixFolder));
1453         hr = UnixFolder_IShellFolder2_QueryInterface(STATIC_CAST(IShellFolder2, pUnixFolder), riid, ppv);
1454         UnixFolder_IShellFolder2_Release(STATIC_CAST(IShellFolder2, pUnixFolder));
1455     }
1456     return hr;
1457 }
1458
1459 HRESULT WINAPI UnixFolder_Constructor(IUnknown *pUnkOuter, REFIID riid, LPVOID *ppv) {
1460     TRACE("(pUnkOuter=%p, riid=%p, ppv=%p)\n", pUnkOuter, riid, ppv);
1461     return CreateUnixFolder(pUnkOuter, riid, ppv, PATHMODE_UNIX);
1462 }
1463
1464 HRESULT WINAPI UnixDosFolder_Constructor(IUnknown *pUnkOuter, REFIID riid, LPVOID *ppv) {
1465     TRACE("(pUnkOuter=%p, riid=%p, ppv=%p)\n", pUnkOuter, riid, ppv);
1466     return CreateUnixFolder(pUnkOuter, riid, ppv, PATHMODE_DOS);
1467 }
1468
1469 /******************************************************************************
1470  * UnixSubFolderIterator
1471  *
1472  * Class whose heap based objects represent iterators over the sub-directories
1473  * of a given UnixFolder object.
1474  */
1475
1476 /* UnixSubFolderIterator object layout and typedef.
1477  */
1478 typedef struct _UnixSubFolderIterator {
1479     const IEnumIDListVtbl *lpIEnumIDListVtbl;
1480     LONG m_cRef;
1481     SHCONTF m_fFilter;
1482     DIR *m_dirFolder;
1483     char m_szFolder[FILENAME_MAX];
1484 } UnixSubFolderIterator;
1485
1486 static void UnixSubFolderIterator_Destroy(UnixSubFolderIterator *iterator) {
1487     TRACE("(iterator=%p)\n", iterator);
1488
1489     if (iterator->m_dirFolder)
1490         closedir(iterator->m_dirFolder);
1491     SHFree(iterator);
1492 }
1493
1494 static HRESULT WINAPI UnixSubFolderIterator_IEnumIDList_QueryInterface(IEnumIDList* iface,
1495     REFIID riid, void** ppv)
1496 {
1497     TRACE("(iface=%p, riid=%p, ppv=%p)\n", iface, riid, ppv);
1498
1499     if (!ppv) return E_INVALIDARG;
1500
1501     if (IsEqualIID(&IID_IUnknown, riid) || IsEqualIID(&IID_IEnumIDList, riid)) {
1502         *ppv = iface;
1503     } else {
1504         *ppv = NULL;
1505         return E_NOINTERFACE;
1506     }
1507
1508     IEnumIDList_AddRef(iface);
1509     return S_OK;
1510 }
1511
1512 static ULONG WINAPI UnixSubFolderIterator_IEnumIDList_AddRef(IEnumIDList* iface)
1513 {
1514     UnixSubFolderIterator *This = ADJUST_THIS(UnixSubFolderIterator, IEnumIDList, iface);
1515
1516     TRACE("(iface=%p)\n", iface);
1517
1518     return InterlockedIncrement(&This->m_cRef);
1519 }
1520
1521 static ULONG WINAPI UnixSubFolderIterator_IEnumIDList_Release(IEnumIDList* iface)
1522 {
1523     UnixSubFolderIterator *This = ADJUST_THIS(UnixSubFolderIterator, IEnumIDList, iface);
1524     ULONG cRef;
1525
1526     TRACE("(iface=%p)\n", iface);
1527
1528     cRef = InterlockedDecrement(&This->m_cRef);
1529
1530     if (!cRef)
1531         UnixSubFolderIterator_Destroy(This);
1532
1533     return cRef;
1534 }
1535
1536 static HRESULT WINAPI UnixSubFolderIterator_IEnumIDList_Next(IEnumIDList* iface, ULONG celt,
1537     LPITEMIDLIST* rgelt, ULONG* pceltFetched)
1538 {
1539     UnixSubFolderIterator *This = ADJUST_THIS(UnixSubFolderIterator, IEnumIDList, iface);
1540     ULONG i = 0;
1541
1542     /* This->m_dirFolder will be NULL if the user doesn't have access rights for the dir. */
1543     if (This->m_dirFolder) {
1544         char *pszRelativePath = This->m_szFolder + lstrlenA(This->m_szFolder);
1545         struct dirent *pDirEntry;
1546
1547         while (i < celt) {
1548             pDirEntry = readdir(This->m_dirFolder);
1549             if (!pDirEntry) break; /* No more entries */
1550             if (!strcmp(pDirEntry->d_name, ".") || !strcmp(pDirEntry->d_name, "..")) continue;
1551
1552             /* Temporarily build absolute path in This->m_szFolder. Then construct a pidl
1553              * and see if it passes the filter.
1554              */
1555             lstrcpyA(pszRelativePath, pDirEntry->d_name);
1556             rgelt[i] = (LPITEMIDLIST)SHAlloc(SHITEMID_LEN_FROM_NAME_LEN(lstrlenA(pszRelativePath))+sizeof(USHORT));
1557             if (!UNIXFS_build_shitemid(This->m_szFolder, rgelt[i]) ||
1558                 !UNIXFS_is_pidl_of_type(rgelt[i], This->m_fFilter))
1559             {
1560                 SHFree(rgelt[i]);
1561                 continue;
1562             }
1563             memset(((PBYTE)rgelt[i])+rgelt[i]->mkid.cb, 0, sizeof(USHORT));
1564             i++;
1565         }
1566         *pszRelativePath = '\0'; /* Restore the original path in This->m_szFolder. */
1567     }
1568
1569     if (pceltFetched)
1570         *pceltFetched = i;
1571
1572     return (i == 0) ? S_FALSE : S_OK;
1573 }
1574
1575 static HRESULT WINAPI UnixSubFolderIterator_IEnumIDList_Skip(IEnumIDList* iface, ULONG celt)
1576 {
1577     LPITEMIDLIST *apidl;
1578     ULONG cFetched;
1579     HRESULT hr;
1580
1581     TRACE("(iface=%p, celt=%ld)\n", iface, celt);
1582
1583     /* Call IEnumIDList::Next and delete the resulting pidls. */
1584     apidl = (LPITEMIDLIST*)SHAlloc(celt * sizeof(LPITEMIDLIST));
1585     hr = IEnumIDList_Next(iface, celt, apidl, &cFetched);
1586     if (SUCCEEDED(hr))
1587         while (cFetched--)
1588             SHFree(apidl[cFetched]);
1589     SHFree(apidl);
1590
1591     return hr;
1592 }
1593
1594 static HRESULT WINAPI UnixSubFolderIterator_IEnumIDList_Reset(IEnumIDList* iface)
1595 {
1596     UnixSubFolderIterator *This = ADJUST_THIS(UnixSubFolderIterator, IEnumIDList, iface);
1597
1598     TRACE("(iface=%p)\n", iface);
1599
1600     if (This->m_dirFolder)
1601         rewinddir(This->m_dirFolder);
1602
1603     return S_OK;
1604 }
1605
1606 static HRESULT WINAPI UnixSubFolderIterator_IEnumIDList_Clone(IEnumIDList* This,
1607     IEnumIDList** ppenum)
1608 {
1609     TRACE("stub\n");
1610     return E_NOTIMPL;
1611 }
1612
1613 /* VTable for UnixSubFolderIterator's IEnumIDList interface.
1614  */
1615 static const IEnumIDListVtbl UnixSubFolderIterator_IEnumIDList_Vtbl = {
1616     UnixSubFolderIterator_IEnumIDList_QueryInterface,
1617     UnixSubFolderIterator_IEnumIDList_AddRef,
1618     UnixSubFolderIterator_IEnumIDList_Release,
1619     UnixSubFolderIterator_IEnumIDList_Next,
1620     UnixSubFolderIterator_IEnumIDList_Skip,
1621     UnixSubFolderIterator_IEnumIDList_Reset,
1622     UnixSubFolderIterator_IEnumIDList_Clone
1623 };
1624
1625 static IUnknown *UnixSubFolderIterator_Constructor(UnixFolder *pUnixFolder, SHCONTF fFilter) {
1626     UnixSubFolderIterator *iterator;
1627
1628     TRACE("(pUnixFolder=%p)\n", pUnixFolder);
1629
1630     iterator = SHAlloc((ULONG)sizeof(UnixSubFolderIterator));
1631     iterator->lpIEnumIDListVtbl = &UnixSubFolderIterator_IEnumIDList_Vtbl;
1632     iterator->m_cRef = 0;
1633     iterator->m_fFilter = fFilter;
1634     iterator->m_dirFolder = opendir(pUnixFolder->m_pszPath);
1635     lstrcpyA(iterator->m_szFolder, pUnixFolder->m_pszPath);
1636
1637     UnixSubFolderIterator_IEnumIDList_AddRef((IEnumIDList*)iterator);
1638
1639     return (IUnknown*)iterator;
1640 }