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 IPersistPropertyBagVtbl *lpIPersistPropertyBagVtbl;
  87     const ISFHelperVtbl *lpISFHelperVtbl;
  88     LONG m_cRef;
  89     CHAR *m_pszPath;
  90     LPITEMIDLIST m_pidlLocation;
  91     DWORD m_dwPathMode;
  92     DWORD m_dwAttributes;
  93     const CLSID *m_pCLSID;
  94 } UnixFolder;
  95
  96 /******************************************************************************
  97  * UNIXFS_is_rooted_at_desktop [Internal]
  98  *
  99  * Checks if the unixfs namespace extension is rooted at desktop level.
 100  *
 101  * RETURNS
 102  *  TRUE, if unixfs is rooted at desktop level
 103  *  FALSE, if not.
 104  */
 105 BOOL UNIXFS_is_rooted_at_desktop(void) {
 106     HKEY hKey;
 107     WCHAR *pwszCLSID_UnixDosFolder, wszRootedAtDesktop[69 + CHARS_IN_GUID] = {
 108         'S','o','f','t','w','a','r','e','\\','M','i','c','r','o','s','o','f','t','\\',
 109         'W','i','n','d','o','w','s','\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
 110         'E','x','p','l','o','r','e','r','\\','D','e','s','k','t','o','p','\\',
 111         'N','a','m','e','S','p','a','c','e','\\',0 };
 112
 113     if (FAILED(StringFromCLSID(&CLSID_UnixDosFolder, &pwszCLSID_UnixDosFolder)))
 114         return FALSE;
 115
 116     lstrcatW(wszRootedAtDesktop, pwszCLSID_UnixDosFolder);
 117     CoTaskMemFree(pwszCLSID_UnixDosFolder);
 118
 119     if (RegOpenKeyExW(HKEY_LOCAL_MACHINE, wszRootedAtDesktop, 0, KEY_READ, &hKey) != ERROR_SUCCESS)
 120         return FALSE;
 121
 122     RegCloseKey(hKey);
 123     return TRUE;
 124 }
 125
 126 /******************************************************************************
 127  * UNIXFS_is_pidl_of_type [INTERNAL]
 128  *
 129  * Checks for the first SHITEMID of an ITEMIDLIST if it passes a filter.
 130  *
 131  * PARAMS
 132  *  pIDL    [I] The ITEMIDLIST to be checked.
 133  *  fFilter [I] Shell condition flags, which specify the filter.
 134  *
 135  * RETURNS
 136  *  TRUE, if pIDL is accepted by fFilter
 137  *  FALSE, otherwise
 138  */
 139 static inline BOOL UNIXFS_is_pidl_of_type(LPITEMIDLIST pIDL, SHCONTF fFilter) {
 140     LPPIDLDATA pIDLData = _ILGetDataPointer(pIDL);
 141     if (!(fFilter & SHCONTF_INCLUDEHIDDEN) && pIDLData &&
 142         (pIDLData->u.file.uFileAttribs & FILE_ATTRIBUTE_HIDDEN))
 143     {
 144         return FALSE;
 145     }
 146     if (_ILIsFolder(pIDL) && (fFilter & SHCONTF_FOLDERS)) return TRUE;
 147     if (_ILIsValue(pIDL) && (fFilter & SHCONTF_NONFOLDERS)) return TRUE;
 148     return FALSE;
 149 }
 150
 151 /******************************************************************************
 152  * UNIXFS_is_dos_device [Internal]
 153  *
 154  * Determines if a unix directory corresponds to any dos device.
 155  *
 156  * PARAMS
 157  *  statPath [I] The stat struct of the directory, as returned by stat(2).
 158  *
 159  * RETURNS
 160  *  TRUE, if statPath corresponds to any dos drive letter
 161  *  FALSE, otherwise
 162  */
 163 static BOOL UNIXFS_is_dos_device(const struct stat *statPath) {
 164     struct stat statDrive;
 165     char *pszDrivePath;
 166     DWORD dwDriveMap;
 167     WCHAR wszDosDevice[4] = { 'A', ':', '\\', 0 };
 168
 169     for (dwDriveMap = GetLogicalDrives(); dwDriveMap; dwDriveMap >>= 1, wszDosDevice[0]++) {
 170         if (!(dwDriveMap & 0x1)) continue;
 171         pszDrivePath = wine_get_unix_file_name(wszDosDevice);
 172         if (pszDrivePath && !stat(pszDrivePath, &statDrive)) {
 173             HeapFree(GetProcessHeap(), 0, pszDrivePath);
 174             if ((statPath->st_dev == statDrive.st_dev) && (statPath->st_ino == statDrive.st_ino))
 175                 return TRUE;
 176         }
 177     }
 178     return FALSE;
 179 }
 180
 181 /******************************************************************************
 182  * UNIXFS_get_unix_path [Internal]
 183  *
 184  * Convert an absolute dos path to an absolute canonicalized unix path.
 185  * Evaluate "/.", "/.." and symbolic links.
 186  *
 187  * PARAMS
 188  *  pszDosPath       [I] An absolute dos path
 189  *  pszCanonicalPath [O] Buffer of length FILENAME_MAX. Will receive the canonical path.
 190  *
 191  * RETURNS
 192  *  Success, TRUE
 193  *  Failure, FALSE - Path not existent, too long, insufficient rights, to many symlinks
 194  */
 195 static BOOL UNIXFS_get_unix_path(LPCWSTR pszDosPath, char *pszCanonicalPath)
 196 {
 197     char *pPathTail, *pElement, *pCanonicalTail, szPath[FILENAME_MAX], *pszUnixPath;
 198     struct stat fileStat;
 199
 200     TRACE("(pszDosPath=%s, pszCanonicalPath=%p)\n", debugstr_w(pszDosPath), pszCanonicalPath);
 201
 202     if (!pszDosPath || pszDosPath[1] != ':')
 203         return FALSE;
 204
 205     pszUnixPath = wine_get_unix_file_name(pszDosPath);
 206     if (!pszUnixPath) return FALSE;
 207     strcpy(szPath, pszUnixPath);
 208     HeapFree(GetProcessHeap(), 0, pszUnixPath);
 209
 210     /* pCanonicalTail always points to the end of the canonical path constructed
 211      * thus far. pPathTail points to the still to be processed part of the input
 212      * path. pElement points to the path element currently investigated.
 213      */
 214     *pszCanonicalPath = '\0';
 215     pCanonicalTail = pszCanonicalPath;
 216     pPathTail = szPath;
 217
 218     do {
 219         char cTemp;
 220         int cLinks = 0;
 221
 222         pElement = pPathTail;
 223         pPathTail = strchr(pPathTail+1, '/');
 224         if (!pPathTail) /* Last path element may not be terminated by '/'. */
 225             pPathTail = pElement + strlen(pElement);
 226         /* Temporarily terminate the current path element. Will be restored later. */
 227         cTemp = *pPathTail;
 228         *pPathTail = '\0';
 229
 230         /* Skip "/." path elements */
 231         if (!strcmp("/.", pElement)) {
 232             *pPathTail = cTemp;
 233             continue;
 234         }
 235
 236         /* Remove last element in canonical path for "/.." elements, then skip. */
 237         if (!strcmp("/..", pElement)) {
 238             char *pTemp = strrchr(pszCanonicalPath, '/');
 239             if (pTemp)
 240                 pCanonicalTail = pTemp;
 241             *pCanonicalTail = '\0';
 242             *pPathTail = cTemp;
 243             continue;
 244         }
 245
 246         /* lstat returns zero on success. */
 247         if (lstat(szPath, &fileStat))
 248             return FALSE;
 249
 250         if (S_ISLNK(fileStat.st_mode)) {
 251             char szSymlink[FILENAME_MAX];
 252             int cLinkLen, cTailLen;
 253
 254             /* Avoid infinite loop for recursive links. */
 255             if (++cLinks > 64)
 256                 return FALSE;
 257
 258             cLinkLen = readlink(szPath, szSymlink, FILENAME_MAX);
 259             if (cLinkLen < 0)
 260                 return FALSE;
 261
 262             *pPathTail = cTemp;
 263             cTailLen = strlen(pPathTail);
 264
 265             if (szSymlink[0] == '/') {
 266                 /* Absolute link. Copy to szPath, concat remaining path and start all over. */
 267                 if (cLinkLen + cTailLen + 1 > FILENAME_MAX)
 268                     return FALSE;
 269
 270                 /* Avoid double slashes. */
 271                 if (szSymlink[cLinkLen-1] == '/' && pPathTail[0] == '/') {
 272                     szSymlink[cLinkLen-1] = '\0';
 273                     cLinkLen--;
 274                 }
 275
 276                 memcpy(szSymlink + cLinkLen, pPathTail, cTailLen + 1);
 277                 memcpy(szPath, szSymlink, cLinkLen + cTailLen + 1);
 278                 *pszCanonicalPath = '\0';
 279                 pCanonicalTail = pszCanonicalPath;
 280                 pPathTail = szPath;
 281             } else {
 282                 /* Relative link. Expand into szPath and continue. */
 283                 char szTemp[FILENAME_MAX];
 284                 int cTailLen = strlen(pPathTail);
 285
 286                 if (pElement - szPath + 1 + cLinkLen + cTailLen + 1 > FILENAME_MAX)
 287                     return FALSE;
 288
 289                 memcpy(szTemp, pPathTail, cTailLen + 1);
 290                 memcpy(pElement + 1, szSymlink, cLinkLen);
 291                 memcpy(pElement + 1 + cLinkLen, szTemp, cTailLen + 1);
 292                 pPathTail = pElement;
 293             }
 294         } else {
 295             /* Regular directory or file. Copy to canonical path */
 296             if (pCanonicalTail - pszCanonicalPath + pPathTail - pElement + 1 > FILENAME_MAX)
 297                 return FALSE;
 298
 299             memcpy(pCanonicalTail, pElement, pPathTail - pElement + 1);
 300             pCanonicalTail += pPathTail - pElement;
 301             *pPathTail = cTemp;
 302         }
 303     } while (pPathTail[0] == '/');
 304
 305     TRACE("--> %s\n", debugstr_a(pszCanonicalPath));
 306
 307     return TRUE;
 308 }
 309
 310 /******************************************************************************
 311  * UNIXFS_build_shitemid [Internal]
 312  *
 313  * Constructs a new SHITEMID for the last component of path 'pszUnixPath' into
 314  * buffer 'pIDL'.
 315  *
 316  * PARAMS
 317  *  pszUnixPath [I] An absolute path. The SHITEMID will be build for the last component.
 318  *  pIDL        [O] SHITEMID will be constructed here.
 319  *
 320  * RETURNS
 321  *  Success: A pointer to the terminating '\0' character of path.
 322  *  Failure: NULL
 323  *
 324  * NOTES
 325  *  Minimum size of pIDL is SHITEMID_LEN_FROM_NAME_LEN(strlen(last_component_of_path)).
 326  *  If what you need is a PIDLLIST with a single SHITEMID, don't forget to append
 327  *  a 0 USHORT value.
 328  */
 329 static char* UNIXFS_build_shitemid(char *pszUnixPath, void *pIDL) {
 330     LARGE_INTEGER time;
 331     FILETIME fileTime;
 332     LPPIDLDATA pIDLData;
 333     struct stat fileStat;
 334     char *pszComponent;
 335     int cComponentLen;
 336
 337     TRACE("(pszUnixPath=%s, pIDL=%p)\n", debugstr_a(pszUnixPath), pIDL);
 338
 339     /* Compute the SHITEMID's length and wipe it. */
 340     pszComponent = strrchr(pszUnixPath, '/') + 1;
 341     cComponentLen = strlen(pszComponent);
 342     memset(pIDL, 0, SHITEMID_LEN_FROM_NAME_LEN(cComponentLen));
 343     ((LPSHITEMID)pIDL)->cb = SHITEMID_LEN_FROM_NAME_LEN(cComponentLen) ;
 344
 345     /* We are only interested in regular files and directories. */
 346     if (stat(pszUnixPath, &fileStat)) return NULL;
 347     if (!S_ISDIR(fileStat.st_mode) && !S_ISREG(fileStat.st_mode)) return NULL;
 348
 349     /* Set shell32's standard SHITEMID data fields. */
 350     pIDLData = _ILGetDataPointer((LPCITEMIDLIST)pIDL);
 351     pIDLData->type = S_ISDIR(fileStat.st_mode) ? PT_FOLDER : PT_VALUE;
 352     pIDLData->u.file.dwFileSize = (DWORD)fileStat.st_size;
 353     RtlSecondsSince1970ToTime( fileStat.st_mtime, &time );
 354     fileTime.dwLowDateTime = time.u.LowPart;
 355     fileTime.dwHighDateTime = time.u.HighPart;
 356     FileTimeToDosDateTime(&fileTime, &pIDLData->u.file.uFileDate, &pIDLData->u.file.uFileTime);
 357     pIDLData->u.file.uFileAttribs = 0;
 358     if (S_ISDIR(fileStat.st_mode)) pIDLData->u.file.uFileAttribs |= FILE_ATTRIBUTE_DIRECTORY;
 359     if (pszComponent[0] == '.') pIDLData->u.file.uFileAttribs |=  FILE_ATTRIBUTE_HIDDEN;
 360     memcpy(pIDLData->u.file.szNames, pszComponent, cComponentLen);
 361
 362     return pszComponent + cComponentLen;
 363 }
 364
 365 /******************************************************************************
 366  * UNIXFS_path_to_pidl [Internal]
 367  *
 368  * PARAMS
 369  *  pUnixFolder [I] If path is relative, pUnixFolder represents the base path
 370  *  path        [I] An absolute unix or dos path or a path relativ to pUnixFolder
 371  *  ppidl       [O] The corresponding ITEMIDLIST. Release with SHFree/ILFree
 372  *
 373  * RETURNS
 374  *  Success: TRUE
 375  *  Failure: FALSE, invalid params or out of memory
 376  *
 377  * NOTES
 378  *  pUnixFolder also carries the information if the path is expected to be unix or dos.
 379  */
 380 static BOOL UNIXFS_path_to_pidl(UnixFolder *pUnixFolder, const WCHAR *path, LPITEMIDLIST *ppidl) {
 381     LPITEMIDLIST pidl;
 382     int cSubDirs, cPidlLen, cPathLen;
 383     char *pSlash, szCompletePath[FILENAME_MAX], *pNextPathElement;
 384
 385     TRACE("pUnixFolder=%p, path=%s, ppidl=%p\n", pUnixFolder, debugstr_w(path), ppidl);
 386
 387     if (!ppidl || !path)
 388         return FALSE;
 389
 390     /* Build an absolute path and let pNextPathElement point to the interesting
 391      * relative sub-path. We need the absolute path to call 'stat', but the pidl
 392      * will only contain the relative part.
 393      */
 394     if ((pUnixFolder->m_dwPathMode == PATHMODE_DOS) && (path[1] == ':'))
 395     {
 396         /* Absolute dos path. Convert to unix */
 397         if (!UNIXFS_get_unix_path(path, szCompletePath))
 398             return FALSE;
 399         pNextPathElement = szCompletePath;
 400     }
 401     else if ((pUnixFolder->m_dwPathMode == PATHMODE_UNIX) && (path[0] == '/'))
 402     {
 403         /* Absolute unix path. Just convert to ANSI. */
 404         WideCharToMultiByte(CP_UNIXCP, 0, path, -1, szCompletePath, FILENAME_MAX, NULL, NULL);
 405         pNextPathElement = szCompletePath;
 406     }
 407     else
 408     {
 409         /* Relative dos or unix path. Concat with this folder's path */
 410         int cBasePathLen = strlen(pUnixFolder->m_pszPath);
 411         memcpy(szCompletePath, pUnixFolder->m_pszPath, cBasePathLen);
 412         WideCharToMultiByte(CP_UNIXCP, 0, path, -1, szCompletePath + cBasePathLen,
 413                             FILENAME_MAX - cBasePathLen, NULL, NULL);
 414         pNextPathElement = szCompletePath + cBasePathLen - 1;
 415
 416         /* If in dos mode, replace '\' with '/' */
 417         if (pUnixFolder->m_dwPathMode == PATHMODE_DOS) {
 418             char *pBackslash = strchr(pNextPathElement, '\\');
 419             while (pBackslash) {
 420                 *pBackslash = '/';
 421                 pBackslash = strchr(pBackslash, '\\');
 422             }
 423         }
 424     }
 425
 426     /* Special case for the root folder. */
 427     if (!strcmp(szCompletePath, "/")) {
 428         *ppidl = pidl = (LPITEMIDLIST)SHAlloc(sizeof(USHORT));
 429         if (!pidl) return FALSE;
 430         pidl->mkid.cb = 0; /* Terminate the ITEMIDLIST */
 431         return TRUE;
 432     }
 433
 434     /* Remove trailing slash, if present */
 435     cPathLen = strlen(szCompletePath);
 436     if (szCompletePath[cPathLen-1] == '/')
 437         szCompletePath[cPathLen-1] = '\0';
 438
 439     if ((szCompletePath[0] != '/') || (pNextPathElement[0] != '/')) {
 440         ERR("szCompletePath: %s, pNextPathElment: %s\n", szCompletePath, pNextPathElement);
 441         return FALSE;
 442     }
 443
 444     /* At this point, we have an absolute unix path in szCompletePath
 445      * and the relative portion of it in pNextPathElement. Both starting with '/'
 446      * and _not_ terminated by a '/'. */
 447     TRACE("complete path: %s, relative path: %s\n", szCompletePath, pNextPathElement);
 448
 449     /* Count the number of sub-directories in the path */
 450     cSubDirs = 0;
 451     pSlash = pNextPathElement;
 452     while (pSlash) {
 453         cSubDirs++;
 454         pSlash = strchr(pSlash+1, '/');
 455     }
 456
 457     /* Allocate enough memory to hold the path. The -cSubDirs is for the '/'
 458      * characters, which are not stored in the ITEMIDLIST. */
 459     cPidlLen = strlen(pNextPathElement) - cSubDirs + cSubDirs * SHITEMID_LEN_FROM_NAME_LEN(0) + sizeof(USHORT);
 460     *ppidl = pidl = (LPITEMIDLIST)SHAlloc(cPidlLen);
 461     if (!pidl) return FALSE;
 462
 463     /* Concatenate the SHITEMIDs of the sub-directories. */
 464     while (*pNextPathElement) {
 465         pSlash = strchr(pNextPathElement+1, '/');
 466         if (pSlash) *pSlash = '\0';
 467         pNextPathElement = UNIXFS_build_shitemid(szCompletePath, pidl);
 468         if (pSlash) *pSlash = '/';
 469
 470         if (!pNextPathElement) {
 471             SHFree(pidl);
 472             return FALSE;
 473         }
 474         pidl = ILGetNext(pidl);
 475     }
 476     pidl->mkid.cb = 0; /* Terminate the ITEMIDLIST */
 477
 478     if ((int)pidl-(int)*ppidl+sizeof(USHORT) != cPidlLen) /* We've corrupted the heap :( */
 479         ERR("Computed length of pidl incorrect. Please report.\n");
 480
 481     return TRUE;
 482 }
 483
 484 /******************************************************************************
 485  * UnixFolder
 486  *
 487  * Class whose heap based instances represent unix filesystem directories.
 488  */
 489
 490 static void UnixFolder_Destroy(UnixFolder *pUnixFolder) {
 491     TRACE("(pUnixFolder=%p)\n", pUnixFolder);
 492
 493     SHFree(pUnixFolder->m_pszPath);
 494     ILFree(pUnixFolder->m_pidlLocation);
 495     SHFree(pUnixFolder);
 496 }
 497
 498 static HRESULT WINAPI UnixFolder_IShellFolder2_QueryInterface(IShellFolder2 *iface, REFIID riid,
 499     void **ppv)
 500 {
 501     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 502
 503     TRACE("(iface=%p, riid=%p, ppv=%p)\n", iface, riid, ppv);
 504
 505     if (!ppv) return E_INVALIDARG;
 506
 507     if (IsEqualIID(&IID_IUnknown, riid) || IsEqualIID(&IID_IShellFolder, riid) ||
 508         IsEqualIID(&IID_IShellFolder2, riid))
 509     {
 510         *ppv = &This->lpIShellFolder2Vtbl;
 511     } else if (IsEqualIID(&IID_IPersistFolder3, riid) || IsEqualIID(&IID_IPersistFolder2, riid) ||
 512                IsEqualIID(&IID_IPersistFolder, riid) || IsEqualIID(&IID_IPersist, riid))
 513     {
 514         *ppv = &This->lpIPersistFolder3Vtbl;
 515     } else if (IsEqualIID(&IID_IPersistPropertyBag, riid)) {
 516         *ppv = &This->lpIPersistPropertyBagVtbl;
 517     } else if (IsEqualIID(&IID_ISFHelper, riid)) {
 518         *ppv = &This->lpISFHelperVtbl;
 519     } else {
 520         *ppv = NULL;
 521         return E_NOINTERFACE;
 522     }
 523
 524     IUnknown_AddRef((IUnknown*)*ppv);
 525     return S_OK;
 526 }
 527
 528 static ULONG WINAPI UnixFolder_IShellFolder2_AddRef(IShellFolder2 *iface) {
 529     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 530
 531     TRACE("(iface=%p)\n", iface);
 532
 533     return InterlockedIncrement(&This->m_cRef);
 534 }
 535
 536 static ULONG WINAPI UnixFolder_IShellFolder2_Release(IShellFolder2 *iface) {
 537     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 538     ULONG cRef;
 539
 540     TRACE("(iface=%p)\n", iface);
 541
 542     cRef = InterlockedDecrement(&This->m_cRef);
 543
 544     if (!cRef)
 545         UnixFolder_Destroy(This);
 546
 547     return cRef;
 548 }
 549
 550 static HRESULT WINAPI UnixFolder_IShellFolder2_ParseDisplayName(IShellFolder2* iface, HWND hwndOwner,
 551     LPBC pbcReserved, LPOLESTR lpszDisplayName, ULONG* pchEaten, LPITEMIDLIST* ppidl,
 552     ULONG* pdwAttributes)
 553 {
 554     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 555     BOOL result;
 556
 557     TRACE("(iface=%p, hwndOwner=%p, pbcReserved=%p, lpszDisplayName=%s, pchEaten=%p, ppidl=%p, "
 558           "pdwAttributes=%p) stub\n", iface, hwndOwner, pbcReserved, debugstr_w(lpszDisplayName),
 559           pchEaten, ppidl, pdwAttributes);
 560
 561     result = UNIXFS_path_to_pidl(This, lpszDisplayName, ppidl);
 562     if (result && pdwAttributes && *pdwAttributes)
 563     {
 564         IShellFolder *pParentSF;
 565         LPCITEMIDLIST pidlLast;
 566         HRESULT hr;
 567
 568         hr = SHBindToParent(*ppidl, &IID_IShellFolder, (LPVOID*)&pParentSF, &pidlLast);
 569         if (FAILED(hr)) return E_FAIL;
 570         IShellFolder_GetAttributesOf(pParentSF, 1, &pidlLast, pdwAttributes);
 571         IShellFolder_Release(pParentSF);
 572     }
 573
 574     if (!result) TRACE("FAILED!\n");
 575     return result ? S_OK : E_FAIL;
 576 }
 577
 578 static IUnknown *UnixSubFolderIterator_Constructor(UnixFolder *pUnixFolder, SHCONTF fFilter);
 579
 580 static HRESULT WINAPI UnixFolder_IShellFolder2_EnumObjects(IShellFolder2* iface, HWND hwndOwner,
 581     SHCONTF grfFlags, IEnumIDList** ppEnumIDList)
 582 {
 583     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 584     IUnknown *newIterator;
 585     HRESULT hr;
 586
 587     TRACE("(iface=%p, hwndOwner=%p, grfFlags=%08lx, ppEnumIDList=%p)\n",
 588             iface, hwndOwner, grfFlags, ppEnumIDList);
 589
 590     newIterator = UnixSubFolderIterator_Constructor(This, grfFlags);
 591     hr = IUnknown_QueryInterface(newIterator, &IID_IEnumIDList, (void**)ppEnumIDList);
 592     IUnknown_Release(newIterator);
 593
 594     return hr;
 595 }
 596
 597 static HRESULT WINAPI UnixFolder_IShellFolder2_BindToObject(IShellFolder2* iface, LPCITEMIDLIST pidl,
 598     LPBC pbcReserved, REFIID riid, void** ppvOut)
 599 {
 600     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 601     IPersistFolder3 *persistFolder;
 602     LPITEMIDLIST pidlSubFolder;
 603     HRESULT hr;
 604
 605     TRACE("(iface=%p, pidl=%p, pbcReserver=%p, riid=%p, ppvOut=%p)\n",
 606             iface, pidl, pbcReserved, riid, ppvOut);
 607
 608     if (!pidl || !pidl->mkid.cb)
 609         return E_INVALIDARG;
 610
 611     if (This->m_dwPathMode == PATHMODE_DOS)
 612         hr = UnixDosFolder_Constructor(NULL, &IID_IPersistFolder3, (void**)&persistFolder);
 613     else
 614         hr = UnixFolder_Constructor(NULL, &IID_IPersistFolder3, (void**)&persistFolder);
 615
 616     if (!SUCCEEDED(hr)) return hr;
 617     hr = IPersistFolder_QueryInterface(persistFolder, riid, (void**)ppvOut);
 618
 619     pidlSubFolder = ILCombine(This->m_pidlLocation, pidl);
 620     IPersistFolder3_Initialize(persistFolder, pidlSubFolder);
 621     IPersistFolder3_Release(persistFolder);
 622     ILFree(pidlSubFolder);
 623
 624     return hr;
 625 }
 626
 627 static HRESULT WINAPI UnixFolder_IShellFolder2_BindToStorage(IShellFolder2* This, LPCITEMIDLIST pidl,
 628     LPBC pbcReserved, REFIID riid, void** ppvObj)
 629 {
 630     TRACE("stub\n");
 631     return E_NOTIMPL;
 632 }
 633
 634 static HRESULT WINAPI UnixFolder_IShellFolder2_CompareIDs(IShellFolder2* iface, LPARAM lParam,
 635     LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2)
 636 {
 637     BOOL isEmpty1, isEmpty2;
 638     HRESULT hr = E_FAIL;
 639     LPITEMIDLIST firstpidl;
 640     IShellFolder2 *psf;
 641     int compare;
 642
 643     TRACE("(iface=%p, lParam=%ld, pidl1=%p, pidl2=%p)\n", iface, lParam, pidl1, pidl2);
 644
 645     isEmpty1 = !pidl1 || !pidl1->mkid.cb;
 646     isEmpty2 = !pidl2 || !pidl2->mkid.cb;
 647
 648     if (isEmpty1 && isEmpty2)
 649         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, 0);
 650     else if (isEmpty1)
 651         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, (WORD)-1);
 652     else if (isEmpty2)
 653         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, (WORD)1);
 654
 655     if (_ILIsFolder(pidl1) && !_ILIsFolder(pidl2))
 656         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, (WORD)-1);
 657     if (!_ILIsFolder(pidl1) && _ILIsFolder(pidl2))
 658         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, (WORD)1);
 659
 660     compare = CompareStringA(LOCALE_USER_DEFAULT, NORM_IGNORECASE,
 661                              _ILGetTextPointer(pidl1), NAME_LEN_FROM_LPSHITEMID(pidl1),
 662                              _ILGetTextPointer(pidl2), NAME_LEN_FROM_LPSHITEMID(pidl2));
 663
 664     if ((compare == CSTR_LESS_THAN) || (compare == CSTR_GREATER_THAN))
 665         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, (WORD)((compare == CSTR_LESS_THAN)?-1:1));
 666
 667     if (pidl1->mkid.cb < pidl2->mkid.cb)
 668         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, (WORD)-1);
 669     else if (pidl1->mkid.cb > pidl2->mkid.cb)
 670         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, (WORD)1);
 671
 672     firstpidl = ILCloneFirst(pidl1);
 673     pidl1 = ILGetNext(pidl1);
 674     pidl2 = ILGetNext(pidl2);
 675
 676     hr = IShellFolder2_BindToObject(iface, firstpidl, NULL, &IID_IShellFolder, (LPVOID*)&psf);
 677     if (SUCCEEDED(hr)) {
 678         hr = IShellFolder_CompareIDs(psf, lParam, pidl1, pidl2);
 679         IShellFolder2_Release(psf);
 680     }
 681
 682     ILFree(firstpidl);
 683     return hr;
 684 }
 685
 686 static HRESULT WINAPI UnixFolder_IShellFolder2_CreateViewObject(IShellFolder2* iface, HWND hwndOwner,
 687     REFIID riid, void** ppv)
 688 {
 689     HRESULT hr = E_INVALIDARG;
 690
 691     TRACE("(iface=%p, hwndOwner=%p, riid=%p, ppv=%p) stub\n", iface, hwndOwner, riid, ppv);
 692
 693     if (!ppv) return E_INVALIDARG;
 694     *ppv = NULL;
 695
 696     if (IsEqualIID(&IID_IShellView, riid)) {
 697         LPSHELLVIEW pShellView;
 698
 699         pShellView = IShellView_Constructor((IShellFolder*)iface);
 700         if (pShellView) {
 701             hr = IShellView_QueryInterface(pShellView, riid, ppv);
 702             IShellView_Release(pShellView);
 703         }
 704     }
 705
 706     return hr;
 707 }
 708
 709 static HRESULT WINAPI UnixFolder_IShellFolder2_GetAttributesOf(IShellFolder2* iface, UINT cidl,
 710     LPCITEMIDLIST* apidl, SFGAOF* rgfInOut)
 711 {
 712     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 713     HRESULT hr = S_OK;
 714
 715     TRACE("(iface=%p, cidl=%u, apidl=%p, rgfInOut=%p)\n", iface, cidl, apidl, rgfInOut);
 716
 717     if (!rgfInOut || (cidl && !apidl))
 718         return E_INVALIDARG;
 719
 720     if (cidl == 0) {
 721         *rgfInOut &= This->m_dwAttributes;
 722     } else {
 723         char szAbsolutePath[FILENAME_MAX], *pszRelativePath;
 724         UINT i;
 725
 726         *rgfInOut &= SFGAO_FOLDER|SFGAO_HASSUBFOLDER|SFGAO_FILESYSANCESTOR|SFGAO_CANRENAME|
 727                      SFGAO_FILESYSTEM;
 728         lstrcpyA(szAbsolutePath, This->m_pszPath);
 729         pszRelativePath = szAbsolutePath + lstrlenA(szAbsolutePath);
 730         for (i=0; i<cidl; i++) {
 731             if ((*rgfInOut & SFGAO_FILESYSTEM) && !(This->m_dwAttributes & SFGAO_FILESYSTEM)) {
 732                 struct stat fileStat;
 733                 char *pszName = _ILGetTextPointer(apidl[i]);
 734                 if (!pszName) return E_INVALIDARG;
 735                 lstrcpyA(pszRelativePath, pszName);
 736                 if (stat(szAbsolutePath, &fileStat) || !UNIXFS_is_dos_device(&fileStat))
 737                     *rgfInOut &= ~SFGAO_FILESYSTEM;
 738             }
 739             if (!_ILIsFolder(apidl[i]))
 740                 *rgfInOut &= ~(SFGAO_FOLDER|SFGAO_HASSUBFOLDER|SFGAO_FILESYSANCESTOR);
 741         }
 742     }
 743
 744     return hr;
 745 }
 746
 747 static HRESULT WINAPI UnixFolder_IShellFolder2_GetUIObjectOf(IShellFolder2* iface, HWND hwndOwner,
 748     UINT cidl, LPCITEMIDLIST* apidl, REFIID riid, UINT* prgfInOut, void** ppvOut)
 749 {
 750     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 751
 752     TRACE("(iface=%p, hwndOwner=%p, cidl=%d, apidl=%p, riid=%s, prgfInOut=%p, ppv=%p)\n",
 753         iface, hwndOwner, cidl, apidl, debugstr_guid(riid), prgfInOut, ppvOut);
 754
 755     if (IsEqualIID(&IID_IContextMenu, riid)) {
 756         *ppvOut = ISvItemCm_Constructor((IShellFolder*)iface, This->m_pidlLocation, apidl, cidl);
 757         return S_OK;
 758     } else if (IsEqualIID(&IID_IDataObject, riid)) {
 759         *ppvOut = IDataObject_Constructor(hwndOwner, This->m_pidlLocation, apidl, cidl);
 760         return S_OK;
 761     } else if (IsEqualIID(&IID_IExtractIconA, riid)) {
 762         LPITEMIDLIST pidl;
 763         if (cidl != 1) return E_FAIL;
 764         pidl = ILCombine(This->m_pidlLocation, apidl[0]);
 765         *ppvOut = (LPVOID)IExtractIconA_Constructor(pidl);
 766         SHFree(pidl);
 767         return S_OK;
 768     } else if (IsEqualIID(&IID_IExtractIconW, riid)) {
 769         LPITEMIDLIST pidl;
 770         if (cidl != 1) return E_FAIL;
 771         pidl = ILCombine(This->m_pidlLocation, apidl[0]);
 772         *ppvOut = (LPVOID)IExtractIconW_Constructor(pidl);
 773         SHFree(pidl);
 774         return S_OK;
 775     } else if (IsEqualIID(&IID_IDropTarget, riid)) {
 776         FIXME("IDropTarget\n");
 777         return E_FAIL;
 778     } else if (IsEqualIID(&IID_IShellLinkW, riid)) {
 779         FIXME("IShellLinkW\n");
 780         return E_FAIL;
 781     } else if (IsEqualIID(&IID_IShellLinkA, riid)) {
 782         FIXME("IShellLinkA\n");
 783         return E_FAIL;
 784     } else {
 785         FIXME("Unknown interface %s in GetUIObjectOf\n", debugstr_guid(riid));
 786         return E_NOINTERFACE;
 787     }
 788 }
 789
 790 static HRESULT WINAPI UnixFolder_IShellFolder2_GetDisplayNameOf(IShellFolder2* iface,
 791     LPCITEMIDLIST pidl, SHGDNF uFlags, STRRET* lpName)
 792 {
 793     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 794     HRESULT hr = S_OK;
 795
 796     TRACE("(iface=%p, pidl=%p, uFlags=%lx, lpName=%p)\n", iface, pidl, uFlags, lpName);
 797
 798     if ((GET_SHGDN_FOR(uFlags) & SHGDN_FORPARSING) &&
 799         (GET_SHGDN_RELATION(uFlags) != SHGDN_INFOLDER))
 800     {
 801         if (!pidl->mkid.cb) {
 802             lpName->uType = STRRET_CSTR;
 803             if (This->m_dwPathMode == PATHMODE_UNIX) {
 804                 strcpy(lpName->u.cStr, This->m_pszPath);
 805             } else {
 806                 WCHAR *pwszDosPath = wine_get_dos_file_name(This->m_pszPath);
 807                 if (!pwszDosPath)
 808                     return HRESULT_FROM_WIN32(GetLastError());
 809                 PathRemoveBackslashW(pwszDosPath);
 810                 WideCharToMultiByte(CP_UNIXCP, 0, pwszDosPath, -1, lpName->u.cStr, MAX_PATH, NULL, NULL);
 811                 HeapFree(GetProcessHeap(), 0, pwszDosPath);
 812             }
 813         } else {
 814             IShellFolder *pSubFolder;
 815             USHORT emptyIDL = 0;
 816
 817             hr = IShellFolder_BindToObject(iface, pidl, NULL, &IID_IShellFolder, (void**)&pSubFolder);
 818             if (!SUCCEEDED(hr)) return hr;
 819
 820             hr = IShellFolder_GetDisplayNameOf(pSubFolder, (LPITEMIDLIST)&emptyIDL, uFlags, lpName);
 821             IShellFolder_Release(pSubFolder);
 822         }
 823     } else {
 824         char *pszFileName = _ILGetTextPointer(pidl);
 825         lpName->uType = STRRET_CSTR;
 826         strcpy(lpName->u.cStr, pszFileName ? pszFileName : "");
 827     }
 828
 829     /* If in dos mode, do some post-processing on the path.
 830      * (e.g. remove filename extension, if uFlags & SHGDN_FOREDITING)
 831      */
 832     if (SUCCEEDED(hr) && This->m_dwPathMode == PATHMODE_DOS && !_ILIsFolder(pidl))
 833         SHELL_FS_ProcessDisplayFilename(lpName->u.cStr, uFlags);
 834
 835     TRACE("--> %s\n", lpName->u.cStr);
 836
 837     return hr;
 838 }
 839
 840 static HRESULT WINAPI UnixFolder_IShellFolder2_SetNameOf(IShellFolder2* iface, HWND hwnd,
 841     LPCITEMIDLIST pidl, LPCOLESTR lpszName, SHGDNF uFlags, LPITEMIDLIST* ppidlOut)
 842 {
 843     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 844
 845     char szSrc[FILENAME_MAX], szDest[FILENAME_MAX];
 846     WCHAR *pwszDosDest;
 847     int cBasePathLen = lstrlenA(This->m_pszPath);
 848     struct stat statDest;
 849     LPITEMIDLIST pidlSrc, pidlDest;
 850
 851     TRACE("(iface=%p, hwnd=%p, pidl=%p, lpszName=%s, uFlags=0x%08lx, ppidlOut=%p)\n",
 852           iface, hwnd, pidl, debugstr_w(lpszName), uFlags, ppidlOut);
 853
 854     /* pidl has to contain a single non-empty SHITEMID */
 855     if (_ILIsDesktop(pidl) || !_ILIsPidlSimple(pidl) || !_ILGetTextPointer(pidl))
 856         return E_INVALIDARG;
 857
 858     if (ppidlOut)
 859         *ppidlOut = NULL;
 860
 861     /* build source path */
 862     memcpy(szSrc, This->m_pszPath, cBasePathLen);
 863     lstrcpyA(szSrc+cBasePathLen, _ILGetTextPointer(pidl));
 864
 865     /* build destination path */
 866     if (uFlags & SHGDN_FORPARSING) { /* absolute path in lpszName */
 867         WideCharToMultiByte(CP_UNIXCP, 0, lpszName, -1, szDest, FILENAME_MAX, NULL, NULL);
 868     } else {
 869         WCHAR wszSrcRelative[MAX_PATH];
 870         memcpy(szDest, This->m_pszPath, cBasePathLen);
 871         WideCharToMultiByte(CP_UNIXCP, 0, lpszName, -1, szDest+cBasePathLen,
 872                             FILENAME_MAX-cBasePathLen, NULL, NULL);
 873
 874         /* uFlags is SHGDN_FOREDITING of SHGDN_FORADDRESSBAR. If the filename's
 875          * extension is hidden to the user, we have to append it. */
 876         if (_ILSimpleGetTextW(pidl, wszSrcRelative, MAX_PATH) &&
 877             SHELL_FS_HideExtension(wszSrcRelative))
 878         {
 879             char *pszExt = PathFindExtensionA(_ILGetTextPointer(pidl));
 880             lstrcatA(szDest, pszExt);
 881         }
 882     }
 883
 884     TRACE("src=%s dest=%s\n", szSrc, szDest);
 885
 886     /* Fail, if destination does already exist */
 887     if (!stat(szDest, &statDest))
 888         return E_FAIL;
 889
 890     /* Rename the file */
 891     if (rename(szSrc, szDest))
 892         return E_FAIL;
 893
 894     /* Build a pidl for the path of the renamed file */
 895     pwszDosDest = wine_get_dos_file_name(szDest);
 896     if (!pwszDosDest || !UNIXFS_path_to_pidl(This, pwszDosDest, &pidlDest)) {
 897         HeapFree(GetProcessHeap(), 0, pwszDosDest);
 898         rename(szDest, szSrc); /* Undo the renaming */
 899         return E_FAIL;
 900     }
 901
 902     /* Inform the shell */
 903     pidlSrc = ILCombine(This->m_pidlLocation, pidl);
 904     if (_ILIsFolder(ILFindLastID(pidlDest)))
 905         SHChangeNotify(SHCNE_RENAMEFOLDER, SHCNF_IDLIST, pidlSrc, pidlDest);
 906     else
 907         SHChangeNotify(SHCNE_RENAMEITEM, SHCNF_IDLIST, pidlSrc, pidlDest);
 908     ILFree(pidlSrc);
 909     ILFree(pidlDest);
 910
 911     if (ppidlOut)
 912         _ILCreateFromPathW(pwszDosDest, ppidlOut);
 913
 914     HeapFree(GetProcessHeap(), 0, pwszDosDest);
 915     return S_OK;
 916 }
 917
 918 static HRESULT WINAPI UnixFolder_IShellFolder2_EnumSearches(IShellFolder2* iface,
 919     IEnumExtraSearch **ppEnum)
 920 {
 921     TRACE("stub\n");
 922     return E_NOTIMPL;
 923 }
 924
 925 static HRESULT WINAPI UnixFolder_IShellFolder2_GetDefaultColumn(IShellFolder2* iface,
 926     DWORD dwReserved, ULONG *pSort, ULONG *pDisplay)
 927 {
 928     TRACE("stub\n");
 929     return E_NOTIMPL;
 930 }
 931
 932 static HRESULT WINAPI UnixFolder_IShellFolder2_GetDefaultColumnState(IShellFolder2* iface,
 933     UINT iColumn, SHCOLSTATEF *pcsFlags)
 934 {
 935     TRACE("stub\n");
 936     return E_NOTIMPL;
 937 }
 938
 939 static HRESULT WINAPI UnixFolder_IShellFolder2_GetDefaultSearchGUID(IShellFolder2* iface,
 940     GUID *pguid)
 941 {
 942     TRACE("stub\n");
 943     return E_NOTIMPL;
 944 }
 945
 946 static HRESULT WINAPI UnixFolder_IShellFolder2_GetDetailsEx(IShellFolder2* iface,
 947     LPCITEMIDLIST pidl, const SHCOLUMNID *pscid, VARIANT *pv)
 948 {
 949     TRACE("stub\n");
 950     return E_NOTIMPL;
 951 }
 952
 953 #define SHELLVIEWCOLUMNS 7
 954
 955 static HRESULT WINAPI UnixFolder_IShellFolder2_GetDetailsOf(IShellFolder2* iface,
 956     LPCITEMIDLIST pidl, UINT iColumn, SHELLDETAILS *psd)
 957 {
 958     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 959     HRESULT hr = E_FAIL;
 960     struct passwd *pPasswd;
 961     struct group *pGroup;
 962     static const shvheader SFHeader[SHELLVIEWCOLUMNS] = {
 963         {IDS_SHV_COLUMN1,  SHCOLSTATE_TYPE_STR  | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 15},
 964         {IDS_SHV_COLUMN2,  SHCOLSTATE_TYPE_STR  | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 10},
 965         {IDS_SHV_COLUMN3,  SHCOLSTATE_TYPE_STR  | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 10},
 966         {IDS_SHV_COLUMN4,  SHCOLSTATE_TYPE_DATE | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 12},
 967         {IDS_SHV_COLUMN5,  SHCOLSTATE_TYPE_STR  | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 9},
 968         {IDS_SHV_COLUMN10, SHCOLSTATE_TYPE_STR  | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 7},
 969         {IDS_SHV_COLUMN11, SHCOLSTATE_TYPE_STR  | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 7}
 970     };
 971
 972     TRACE("(iface=%p, pidl=%p, iColumn=%d, psd=%p) stub\n", iface, pidl, iColumn, psd);
 973
 974     if (!psd || iColumn >= SHELLVIEWCOLUMNS)
 975         return E_INVALIDARG;
 976
 977     if (!pidl) {
 978         psd->fmt = SFHeader[iColumn].fmt;
 979         psd->cxChar = SFHeader[iColumn].cxChar;
 980         psd->str.uType = STRRET_CSTR;
 981         LoadStringA(shell32_hInstance, SFHeader[iColumn].colnameid, psd->str.u.cStr, MAX_PATH);
 982         return S_OK;
 983     } else {
 984         struct stat statItem;
 985         if (iColumn == 4 || iColumn == 5 || iColumn == 6) {
 986             char szPath[FILENAME_MAX], *pszFile = _ILGetTextPointer(pidl);
 987             if (!pszFile)
 988                 return E_INVALIDARG;
 989             lstrcpyA(szPath, This->m_pszPath);
 990             lstrcatA(szPath, pszFile);
 991             if (stat(szPath, &statItem))
 992                 return E_INVALIDARG;
 993         }
 994         psd->str.u.cStr[0] = '\0';
 995         psd->str.uType = STRRET_CSTR;
 996         switch (iColumn) {
 997             case 0:
 998                 hr = IShellFolder2_GetDisplayNameOf(iface, pidl, SHGDN_NORMAL|SHGDN_INFOLDER, &psd->str);
 999                 break;
1000             case 1:
1001                 _ILGetFileSize(pidl, psd->str.u.cStr, MAX_PATH);
1002                 break;
1003             case 2:
1004                 _ILGetFileType (pidl, psd->str.u.cStr, MAX_PATH);
1005                 break;
1006             case 3:
1007                 _ILGetFileDate(pidl, psd->str.u.cStr, MAX_PATH);
1008                 break;
1009             case 4:
1010                 psd->str.u.cStr[0] = S_ISDIR(statItem.st_mode) ? 'd' : '-';
1011                 psd->str.u.cStr[1] = (statItem.st_mode & S_IRUSR) ? 'r' : '-';
1012                 psd->str.u.cStr[2] = (statItem.st_mode & S_IWUSR) ? 'w' : '-';
1013                 psd->str.u.cStr[3] = (statItem.st_mode & S_IXUSR) ? 'x' : '-';
1014                 psd->str.u.cStr[4] = (statItem.st_mode & S_IRGRP) ? 'r' : '-';
1015                 psd->str.u.cStr[5] = (statItem.st_mode & S_IWGRP) ? 'w' : '-';
1016                 psd->str.u.cStr[6] = (statItem.st_mode & S_IXGRP) ? 'x' : '-';
1017                 psd->str.u.cStr[7] = (statItem.st_mode & S_IROTH) ? 'r' : '-';
1018                 psd->str.u.cStr[8] = (statItem.st_mode & S_IWOTH) ? 'w' : '-';
1019                 psd->str.u.cStr[9] = (statItem.st_mode & S_IXOTH) ? 'x' : '-';
1020                 psd->str.u.cStr[10] = '\0';
1021                 break;
1022             case 5:
1023                 pPasswd = getpwuid(statItem.st_uid);
1024                 if (pPasswd) strcpy(psd->str.u.cStr, pPasswd->pw_name);
1025                 break;
1026             case 6:
1027                 pGroup = getgrgid(statItem.st_gid);
1028                 if (pGroup) strcpy(psd->str.u.cStr, pGroup->gr_name);
1029                 break;
1030         }
1031     }
1032
1033     return hr;
1034 }
1035
1036 static HRESULT WINAPI UnixFolder_IShellFolder2_MapColumnToSCID(IShellFolder2* iface, UINT iColumn,
1037     SHCOLUMNID *pscid)
1038 {
1039     TRACE("stub\n");
1040     return E_NOTIMPL;
1041 }
1042
1043 /* VTable for UnixFolder's IShellFolder2 interface.
1044  */
1045 static const IShellFolder2Vtbl UnixFolder_IShellFolder2_Vtbl = {
1046     UnixFolder_IShellFolder2_QueryInterface,
1047     UnixFolder_IShellFolder2_AddRef,
1048     UnixFolder_IShellFolder2_Release,
1049     UnixFolder_IShellFolder2_ParseDisplayName,
1050     UnixFolder_IShellFolder2_EnumObjects,
1051     UnixFolder_IShellFolder2_BindToObject,
1052     UnixFolder_IShellFolder2_BindToStorage,
1053     UnixFolder_IShellFolder2_CompareIDs,
1054     UnixFolder_IShellFolder2_CreateViewObject,
1055     UnixFolder_IShellFolder2_GetAttributesOf,
1056     UnixFolder_IShellFolder2_GetUIObjectOf,
1057     UnixFolder_IShellFolder2_GetDisplayNameOf,
1058     UnixFolder_IShellFolder2_SetNameOf,
1059     UnixFolder_IShellFolder2_GetDefaultSearchGUID,
1060     UnixFolder_IShellFolder2_EnumSearches,
1061     UnixFolder_IShellFolder2_GetDefaultColumn,
1062     UnixFolder_IShellFolder2_GetDefaultColumnState,
1063     UnixFolder_IShellFolder2_GetDetailsEx,
1064     UnixFolder_IShellFolder2_GetDetailsOf,
1065     UnixFolder_IShellFolder2_MapColumnToSCID
1066 };
1067
1068 static HRESULT WINAPI UnixFolder_IPersistFolder3_QueryInterface(IPersistFolder3* This, REFIID riid,
1069     void** ppvObject)
1070 {
1071     return UnixFolder_IShellFolder2_QueryInterface(
1072                 (IShellFolder2*)ADJUST_THIS(UnixFolder, IPersistFolder3, This), riid, ppvObject);
1073 }
1074
1075 static ULONG WINAPI UnixFolder_IPersistFolder3_AddRef(IPersistFolder3* This)
1076 {
1077     return UnixFolder_IShellFolder2_AddRef(
1078                 (IShellFolder2*)ADJUST_THIS(UnixFolder, IPersistFolder3, This));
1079 }
1080
1081 static ULONG WINAPI UnixFolder_IPersistFolder3_Release(IPersistFolder3* This)
1082 {
1083     return UnixFolder_IShellFolder2_Release(
1084                 (IShellFolder2*)ADJUST_THIS(UnixFolder, IPersistFolder3, This));
1085 }
1086
1087 static HRESULT WINAPI UnixFolder_IPersistFolder3_GetClassID(IPersistFolder3* iface, CLSID* pClassID)
1088 {
1089     UnixFolder *This = ADJUST_THIS(UnixFolder, IPersistFolder3, iface);
1090
1091     TRACE("(iface=%p, pClassId=%p)\n", iface, pClassID);
1092
1093     if (!pClassID)
1094         return E_INVALIDARG;
1095
1096     memcpy(pClassID, This->m_pCLSID, sizeof(CLSID));
1097     return S_OK;
1098 }
1099
1100 static HRESULT WINAPI UnixFolder_IPersistFolder3_Initialize(IPersistFolder3* iface, LPCITEMIDLIST pidl)
1101 {
1102     UnixFolder *This = ADJUST_THIS(UnixFolder, IPersistFolder3, iface);
1103     struct stat statPrefix;
1104     LPCITEMIDLIST current = pidl, root;
1105     DWORD dwPathLen;
1106     char *pNextDir, szBasePath[FILENAME_MAX] = "/";
1107
1108     TRACE("(iface=%p, pidl=%p)\n", iface, pidl);
1109
1110     /* Find the UnixFolderClass root */
1111     while (current->mkid.cb) {
1112         if (_ILIsSpecialFolder(current) &&
1113             (IsEqualIID(&CLSID_UnixFolder, _ILGetGUIDPointer(current)) ||
1114              IsEqualIID(&CLSID_UnixDosFolder, _ILGetGUIDPointer(current))))
1115         {
1116             break;
1117         }
1118         current = ILGetNext(current);
1119     }
1120
1121     if (current && current->mkid.cb) {
1122         root = current = ILGetNext(current);
1123         dwPathLen = 2; /* For the '/' prefix and the terminating '\0' */
1124     } else if (_ILIsDesktop(pidl) || _ILIsValue(pidl) || _ILIsFolder(pidl)) {
1125         /* Path rooted at Desktop */
1126         WCHAR wszDesktopPath[MAX_PATH];
1127         if (FAILED(SHGetSpecialFolderPathW(0, wszDesktopPath, CSIDL_DESKTOP, FALSE)))
1128            return E_FAIL;
1129         PathAddBackslashW(wszDesktopPath);
1130         if (!UNIXFS_get_unix_path(wszDesktopPath, szBasePath))
1131             return E_FAIL;
1132         dwPathLen = strlen(szBasePath) + 1;
1133         root = current = pidl;
1134     } else {
1135         ERR("Unknown pidl type!\n");
1136         pdump(pidl);
1137         return E_INVALIDARG;
1138     }
1139
1140     /* Determine the path's length bytes */
1141     while (current && current->mkid.cb) {
1142         dwPathLen += NAME_LEN_FROM_LPSHITEMID(current) + 1; /* For the '/' */
1143         current = ILGetNext(current);
1144     };
1145
1146     /* Build the path */
1147     This->m_dwAttributes = SFGAO_FOLDER|SFGAO_HASSUBFOLDER|SFGAO_FILESYSANCESTOR|SFGAO_CANRENAME;
1148     This->m_pidlLocation = ILClone(pidl);
1149     This->m_pszPath = pNextDir = SHAlloc(dwPathLen);
1150     if (!This->m_pszPath || !This->m_pidlLocation) {
1151         WARN("SHAlloc failed!\n");
1152         return E_FAIL;
1153     }
1154     current = root;
1155     strcpy(pNextDir, szBasePath);
1156     pNextDir += strlen(szBasePath);
1157     if (This->m_dwPathMode == PATHMODE_UNIX)
1158         This->m_dwAttributes |= SFGAO_FILESYSTEM;
1159     if (!(This->m_dwAttributes & SFGAO_FILESYSTEM)) {
1160         *pNextDir = '\0';
1161         if (!stat(This->m_pszPath, &statPrefix) && UNIXFS_is_dos_device(&statPrefix))
1162             This->m_dwAttributes |= SFGAO_FILESYSTEM;
1163     }
1164     while (current && current->mkid.cb) {
1165         memcpy(pNextDir, _ILGetTextPointer(current), NAME_LEN_FROM_LPSHITEMID(current));
1166         pNextDir += NAME_LEN_FROM_LPSHITEMID(current);
1167         if (!(This->m_dwAttributes & SFGAO_FILESYSTEM)) {
1168             *pNextDir = '\0';
1169             if (!stat(This->m_pszPath, &statPrefix) && UNIXFS_is_dos_device(&statPrefix))
1170                 This->m_dwAttributes |= SFGAO_FILESYSTEM;
1171         }
1172         *pNextDir++ = '/';
1173         current = ILGetNext(current);
1174     }
1175     *pNextDir='\0';
1176
1177     return S_OK;
1178 }
1179
1180 static HRESULT WINAPI UnixFolder_IPersistFolder3_GetCurFolder(IPersistFolder3* iface, LPITEMIDLIST* ppidl)
1181 {
1182     UnixFolder *This = ADJUST_THIS(UnixFolder, IPersistFolder3, iface);
1183
1184     TRACE ("(iface=%p, ppidl=%p)\n", iface, ppidl);
1185
1186     if (!ppidl)
1187         return E_POINTER;
1188     *ppidl = ILClone (This->m_pidlLocation);
1189     return S_OK;
1190 }
1191
1192 static HRESULT WINAPI UnixFolder_IPersistFolder3_InitializeEx(IPersistFolder3 *iface, IBindCtx *pbc,
1193     LPCITEMIDLIST pidlRoot, const PERSIST_FOLDER_TARGET_INFO *ppfti)
1194 {
1195     UnixFolder *This = ADJUST_THIS(UnixFolder, IPersistFolder3, iface);
1196     WCHAR wszTargetDosPath[MAX_PATH];
1197     char szTargetPath[FILENAME_MAX] = "";
1198
1199     TRACE("(iface=%p, pbc=%p, pidlRoot=%p, ppfti=%p)\n", iface, pbc, pidlRoot, ppfti);
1200
1201     /* If no PERSIST_FOLDER_TARGET_INFO is given InitializeEx is equivalent to Initialize. */
1202     if (!ppfti)
1203         return IPersistFolder3_Initialize(iface, pidlRoot);
1204
1205     if (ppfti->csidl != -1) {
1206         if (SUCCEEDED(SHGetFolderPathW(0, ppfti->csidl, NULL, 0, wszTargetDosPath))) {
1207             UNIXFS_get_unix_path(wszTargetDosPath, szTargetPath);
1208         }
1209     } else if (*ppfti->szTargetParsingName) {
1210         UNIXFS_get_unix_path(ppfti->szTargetParsingName, szTargetPath);
1211     } else if (ppfti->pidlTargetFolder) {
1212         if (SHGetPathFromIDListW(ppfti->pidlTargetFolder, wszTargetDosPath)) {
1213             UNIXFS_get_unix_path(wszTargetDosPath, szTargetPath);
1214         }
1215     }
1216
1217     This->m_pszPath = SHAlloc(lstrlenA(szTargetPath)+1);
1218     if (!This->m_pszPath)
1219         return E_FAIL;
1220     lstrcpyA(This->m_pszPath, szTargetPath);
1221     This->m_pidlLocation = ILClone(pidlRoot);
1222     This->m_dwAttributes = (ppfti->dwAttributes == -1) ? ppfti->dwAttributes :
1223         SFGAO_FOLDER|SFGAO_HASSUBFOLDER|SFGAO_FILESYSANCESTOR|SFGAO_CANRENAME|SFGAO_FILESYSTEM;
1224
1225     return S_OK;
1226 }
1227
1228 static HRESULT WINAPI UnixFolder_IPersistFolder3_GetFolderTargetInfo(IPersistFolder3 *iface,
1229     PERSIST_FOLDER_TARGET_INFO *ppfti)
1230 {
1231     FIXME("(iface=%p, ppfti=%p) stub\n", iface, ppfti);
1232     return E_NOTIMPL;
1233 }
1234
1235 /* VTable for UnixFolder's IPersistFolder interface.
1236  */
1237 static const IPersistFolder3Vtbl UnixFolder_IPersistFolder3_Vtbl = {
1238     UnixFolder_IPersistFolder3_QueryInterface,
1239     UnixFolder_IPersistFolder3_AddRef,
1240     UnixFolder_IPersistFolder3_Release,
1241     UnixFolder_IPersistFolder3_GetClassID,
1242     UnixFolder_IPersistFolder3_Initialize,
1243     UnixFolder_IPersistFolder3_GetCurFolder,
1244     UnixFolder_IPersistFolder3_InitializeEx,
1245     UnixFolder_IPersistFolder3_GetFolderTargetInfo
1246 };
1247
1248 static HRESULT WINAPI UnixFolder_IPersistPropertyBag_QueryInterface(IPersistPropertyBag* This,
1249     REFIID riid, void** ppvObject)
1250 {
1251     return UnixFolder_IShellFolder2_QueryInterface(
1252                 (IShellFolder2*)ADJUST_THIS(UnixFolder, IPersistPropertyBag, This), riid, ppvObject);
1253 }
1254
1255 static ULONG WINAPI UnixFolder_IPersistPropertyBag_AddRef(IPersistPropertyBag* This)
1256 {
1257     return UnixFolder_IShellFolder2_AddRef(
1258                 (IShellFolder2*)ADJUST_THIS(UnixFolder, IPersistPropertyBag, This));
1259 }
1260
1261 static ULONG WINAPI UnixFolder_IPersistPropertyBag_Release(IPersistPropertyBag* This)
1262 {
1263     return UnixFolder_IShellFolder2_Release(
1264                 (IShellFolder2*)ADJUST_THIS(UnixFolder, IPersistPropertyBag, This));
1265 }
1266
1267 static HRESULT WINAPI UnixFolder_IPersistPropertyBag_GetClassID(IPersistPropertyBag* iface,
1268     CLSID* pClassID)
1269 {
1270     return UnixFolder_IPersistFolder3_GetClassID(
1271         (IPersistFolder3*)&ADJUST_THIS(UnixFolder, IPersistPropertyBag, iface)->lpIPersistFolder3Vtbl,
1272         pClassID);
1273 }
1274
1275 static HRESULT WINAPI UnixFolder_IPersistPropertyBag_InitNew(IPersistPropertyBag* iface)
1276 {
1277     TRACE("() stub\n");
1278     return E_NOTIMPL;
1279 }
1280
1281 static HRESULT WINAPI UnixFolder_IPersistPropertyBag_Load(IPersistPropertyBag *iface,
1282     IPropertyBag *pPropertyBag, IErrorLog *pErrorLog)
1283 {
1284     TRACE("() stub\n");
1285     return E_NOTIMPL;
1286 }
1287
1288 static HRESULT WINAPI UnixFolder_IPersistPropertyBag_Save(IPersistPropertyBag *iface,
1289     IPropertyBag *pPropertyBag, BOOL fClearDirty, BOOL fSaveAllProperties)
1290 {
1291     TRACE("() stub\n");
1292     return E_NOTIMPL;
1293 }
1294
1295 /* VTable for UnixFolder's IPersistPropertyBag interface.
1296  */
1297 static const IPersistPropertyBagVtbl UnixFolder_IPersistPropertyBag_Vtbl = {
1298     UnixFolder_IPersistPropertyBag_QueryInterface,
1299     UnixFolder_IPersistPropertyBag_AddRef,
1300     UnixFolder_IPersistPropertyBag_Release,
1301     UnixFolder_IPersistPropertyBag_GetClassID,
1302     UnixFolder_IPersistPropertyBag_InitNew,
1303     UnixFolder_IPersistPropertyBag_Load,
1304     UnixFolder_IPersistPropertyBag_Save
1305 };
1306
1307 static HRESULT WINAPI UnixFolder_ISFHelper_QueryInterface(ISFHelper* iface, REFIID riid,
1308     void** ppvObject)
1309 {
1310     return UnixFolder_IShellFolder2_QueryInterface(
1311                 (IShellFolder2*)ADJUST_THIS(UnixFolder, ISFHelper, iface), riid, ppvObject);
1312 }
1313
1314 static ULONG WINAPI UnixFolder_ISFHelper_AddRef(ISFHelper* iface)
1315 {
1316     return UnixFolder_IShellFolder2_AddRef(
1317                 (IShellFolder2*)ADJUST_THIS(UnixFolder, ISFHelper, iface));
1318 }
1319
1320 static ULONG WINAPI UnixFolder_ISFHelper_Release(ISFHelper* iface)
1321 {
1322     return UnixFolder_IShellFolder2_Release(
1323                 (IShellFolder2*)ADJUST_THIS(UnixFolder, ISFHelper, iface));
1324 }
1325
1326 static HRESULT WINAPI UnixFolder_ISFHelper_GetUniqueName(ISFHelper* iface, LPSTR lpName, UINT uLen)
1327 {
1328     UnixFolder *This = ADJUST_THIS(UnixFolder, ISFHelper, iface);
1329     IEnumIDList *pEnum;
1330     HRESULT hr;
1331     LPITEMIDLIST pidlElem;
1332     DWORD dwFetched;
1333     int i;
1334     static const char szNewFolder[] = "New Folder";
1335
1336     TRACE("(iface=%p, lpName=%p, uLen=%u)\n", iface, lpName, uLen);
1337
1338     if (uLen < sizeof(szNewFolder)+3)
1339         return E_INVALIDARG;
1340
1341     hr = IShellFolder2_EnumObjects(STATIC_CAST(IShellFolder2, This), 0,
1342                                    SHCONTF_FOLDERS|SHCONTF_NONFOLDERS|SHCONTF_INCLUDEHIDDEN, &pEnum);
1343     if (SUCCEEDED(hr)) {
1344         lstrcpyA(lpName, szNewFolder);
1345         IEnumIDList_Reset(pEnum);
1346         i = 2;
1347         while ((IEnumIDList_Next(pEnum, 1, &pidlElem, &dwFetched) == S_OK) && (dwFetched == 1)) {
1348             if (!strcasecmp(_ILGetTextPointer(pidlElem), lpName)) {
1349                 IEnumIDList_Reset(pEnum);
1350                 sprintf(lpName, "%s %d", szNewFolder, i++);
1351                 if (i > 99) {
1352                     hr = E_FAIL;
1353                     break;
1354                 }
1355             }
1356         }
1357         IEnumIDList_Release(pEnum);
1358     }
1359     return hr;
1360 }
1361
1362 static HRESULT WINAPI UnixFolder_ISFHelper_AddFolder(ISFHelper* iface, HWND hwnd, LPCSTR pszName,
1363     LPITEMIDLIST* ppidlOut)
1364 {
1365     UnixFolder *This = ADJUST_THIS(UnixFolder, ISFHelper, iface);
1366     char szNewDir[FILENAME_MAX];
1367
1368     TRACE("(iface=%p, hwnd=%p, pszName=%s, ppidlOut=%p)\n", iface, hwnd, pszName, ppidlOut);
1369
1370     if (ppidlOut)
1371         *ppidlOut = NULL;
1372
1373     lstrcpyA(szNewDir, This->m_pszPath);
1374     lstrcatA(szNewDir, pszName);
1375
1376     if (mkdir(szNewDir, 0755)) {
1377         char szMessage[256 + FILENAME_MAX];
1378         char szCaption[256];
1379
1380         LoadStringA(shell32_hInstance, IDS_CREATEFOLDER_DENIED, szCaption, sizeof(szCaption));
1381         sprintf(szMessage, szCaption, szNewDir);
1382         LoadStringA(shell32_hInstance, IDS_CREATEFOLDER_CAPTION, szCaption, sizeof(szCaption));
1383         MessageBoxA(hwnd, szMessage, szCaption, MB_OK | MB_ICONEXCLAMATION);
1384
1385         return E_FAIL;
1386     } else {
1387         LPITEMIDLIST pidlRelative;
1388         WCHAR wszName[MAX_PATH];
1389
1390         /* Inform the shell */
1391         MultiByteToWideChar(CP_UNIXCP, 0, pszName, -1, wszName, MAX_PATH);
1392         if (UNIXFS_path_to_pidl(This, wszName, &pidlRelative)) {
1393             LPITEMIDLIST pidlAbsolute = ILCombine(This->m_pidlLocation, pidlRelative);
1394             if (ppidlOut)
1395                 *ppidlOut = pidlRelative;
1396             else
1397                 ILFree(pidlRelative);
1398             SHChangeNotify(SHCNE_MKDIR, SHCNF_IDLIST, pidlAbsolute, NULL);
1399             ILFree(pidlAbsolute);
1400         }
1401         return S_OK;
1402     }
1403 }
1404
1405 static HRESULT WINAPI UnixFolder_ISFHelper_DeleteItems(ISFHelper* iface, UINT cidl,
1406     LPCITEMIDLIST* apidl)
1407 {
1408     UnixFolder *This = ADJUST_THIS(UnixFolder, ISFHelper, iface);
1409     char szAbsolute[FILENAME_MAX], *pszRelative;
1410     LPITEMIDLIST pidlAbsolute;
1411     HRESULT hr = S_OK;
1412     UINT i;
1413
1414     TRACE("(iface=%p, cidl=%d, apidl=%p)\n", iface, cidl, apidl);
1415
1416     lstrcpyA(szAbsolute, This->m_pszPath);
1417     pszRelative = szAbsolute + lstrlenA(szAbsolute);
1418
1419     for (i=0; i<cidl && SUCCEEDED(hr); i++) {
1420         lstrcpyA(pszRelative, _ILGetTextPointer(apidl[i]));
1421         pidlAbsolute = ILCombine(This->m_pidlLocation, apidl[i]);
1422         if (_ILIsFolder(apidl[i])) {
1423             if (rmdir(szAbsolute)) {
1424                 hr = E_FAIL;
1425             } else {
1426                 SHChangeNotify(SHCNE_RMDIR, SHCNF_IDLIST, pidlAbsolute, NULL);
1427             }
1428         } else if (_ILIsValue(apidl[i])) {
1429             if (unlink(szAbsolute)) {
1430                 hr = E_FAIL;
1431             } else {
1432                 SHChangeNotify(SHCNE_DELETE, SHCNF_IDLIST, pidlAbsolute, NULL);
1433             }
1434         }
1435         ILFree(pidlAbsolute);
1436     }
1437
1438     return hr;
1439 }
1440
1441 static HRESULT WINAPI UnixFolder_ISFHelper_CopyItems(ISFHelper* iface, IShellFolder *psfFrom,
1442     UINT cidl, LPCITEMIDLIST *apidl)
1443 {
1444     UnixFolder *This = ADJUST_THIS(UnixFolder, ISFHelper, iface);
1445     DWORD dwAttributes;
1446     UINT i;
1447     HRESULT hr;
1448     char szAbsoluteDst[FILENAME_MAX], *pszRelativeDst;
1449
1450     TRACE("(iface=%p, psfFrom=%p, cidl=%d, apidl=%p): semi-stub\n", iface, psfFrom, cidl, apidl);
1451
1452     if (!psfFrom || !cidl || !apidl)
1453         return E_INVALIDARG;
1454
1455     /* All source items have to be filesystem items. */
1456     dwAttributes = SFGAO_FILESYSTEM;
1457     hr = IShellFolder_GetAttributesOf(psfFrom, cidl, apidl, &dwAttributes);
1458     if (FAILED(hr) || !(dwAttributes & SFGAO_FILESYSTEM))
1459         return E_INVALIDARG;
1460
1461     lstrcpyA(szAbsoluteDst, This->m_pszPath);
1462     pszRelativeDst = szAbsoluteDst + strlen(szAbsoluteDst);
1463
1464     for (i=0; i<cidl; i++) {
1465         WCHAR wszSrc[MAX_PATH];
1466         char szSrc[FILENAME_MAX];
1467         STRRET strret;
1468
1469         /* Build the unix path of the current source item. */
1470         if (FAILED(IShellFolder_GetDisplayNameOf(psfFrom, apidl[i], SHGDN_FORPARSING, &strret)))
1471             return E_FAIL;
1472         if (FAILED(StrRetToBufW(&strret, apidl[i], wszSrc, MAX_PATH)))
1473             return E_FAIL;
1474         if (!UNIXFS_get_unix_path(wszSrc, szSrc))
1475             return E_FAIL;
1476
1477         /* Build the unix path of the current destination item */
1478         lstrcpyA(pszRelativeDst, _ILGetTextPointer(apidl[i]));
1479
1480         FIXME("Would copy %s to %s. Not yet implemented.\n", szSrc, szAbsoluteDst);
1481     }
1482     return S_OK;
1483 }
1484
1485 /* VTable for UnixFolder's ISFHelper interface
1486  */
1487 static const ISFHelperVtbl UnixFolder_ISFHelper_Vtbl = {
1488     UnixFolder_ISFHelper_QueryInterface,
1489     UnixFolder_ISFHelper_AddRef,
1490     UnixFolder_ISFHelper_Release,
1491     UnixFolder_ISFHelper_GetUniqueName,
1492     UnixFolder_ISFHelper_AddFolder,
1493     UnixFolder_ISFHelper_DeleteItems,
1494     UnixFolder_ISFHelper_CopyItems
1495 };
1496
1497 /******************************************************************************
1498  * Unix[Dos]Folder_Constructor [Internal]
1499  *
1500  * PARAMS
1501  *  pUnkOuter [I] Outer class for aggregation. Currently ignored.
1502  *  riid      [I] Interface asked for by the client.
1503  *  ppv       [O] Pointer to an riid interface to the UnixFolder object.
1504  *
1505  * NOTES
1506  *  Those are the only functions exported from shfldr_unixfs.c. They are called from
1507  *  shellole.c's default class factory and thus have to exhibit a LPFNCREATEINSTANCE
1508  *  compatible signature.
1509  *
1510  *  The UnixDosFolder_Constructor sets the dwPathMode member to PATHMODE_DOS. This
1511  *  means that paths are converted from dos to unix and back at the interfaces.
1512  */
1513 static HRESULT CreateUnixFolder(IUnknown *pUnkOuter, REFIID riid, LPVOID *ppv, DWORD dwPathMode,
1514     const CLSID *pCLSID)
1515 {
1516     HRESULT hr = E_FAIL;
1517     UnixFolder *pUnixFolder = SHAlloc((ULONG)sizeof(UnixFolder));
1518
1519     if(pUnixFolder) {
1520         pUnixFolder->lpIShellFolder2Vtbl = &UnixFolder_IShellFolder2_Vtbl;
1521         pUnixFolder->lpIPersistFolder3Vtbl = &UnixFolder_IPersistFolder3_Vtbl;
1522         pUnixFolder->lpIPersistPropertyBagVtbl = &UnixFolder_IPersistPropertyBag_Vtbl;
1523         pUnixFolder->lpISFHelperVtbl = &UnixFolder_ISFHelper_Vtbl;
1524         pUnixFolder->m_cRef = 0;
1525         pUnixFolder->m_pszPath = NULL;
1526         pUnixFolder->m_dwPathMode = dwPathMode;
1527         pUnixFolder->m_pCLSID = pCLSID;
1528
1529         UnixFolder_IShellFolder2_AddRef(STATIC_CAST(IShellFolder2, pUnixFolder));
1530         hr = UnixFolder_IShellFolder2_QueryInterface(STATIC_CAST(IShellFolder2, pUnixFolder), riid, ppv);
1531         UnixFolder_IShellFolder2_Release(STATIC_CAST(IShellFolder2, pUnixFolder));
1532     }
1533     return hr;
1534 }
1535
1536 HRESULT WINAPI UnixFolder_Constructor(IUnknown *pUnkOuter, REFIID riid, LPVOID *ppv) {
1537     TRACE("(pUnkOuter=%p, riid=%p, ppv=%p)\n", pUnkOuter, riid, ppv);
1538     return CreateUnixFolder(pUnkOuter, riid, ppv, PATHMODE_UNIX, &CLSID_UnixFolder);
1539 }
1540
1541 HRESULT WINAPI UnixDosFolder_Constructor(IUnknown *pUnkOuter, REFIID riid, LPVOID *ppv) {
1542     TRACE("(pUnkOuter=%p, riid=%p, ppv=%p)\n", pUnkOuter, riid, ppv);
1543     return CreateUnixFolder(pUnkOuter, riid, ppv, PATHMODE_DOS, &CLSID_UnixDosFolder);
1544 }
1545
1546 HRESULT WINAPI FolderShortcut_Constructor(IUnknown *pUnkOuter, REFIID riid, LPVOID *ppv) {
1547     TRACE("(pUnkOuter=%p, riid=%p, ppv=%p)\n", pUnkOuter, riid, ppv);
1548     return CreateUnixFolder(pUnkOuter, riid, ppv, PATHMODE_DOS, &CLSID_FolderShortcut);
1549 }
1550
1551 /******************************************************************************
1552  * UnixSubFolderIterator
1553  *
1554  * Class whose heap based objects represent iterators over the sub-directories
1555  * of a given UnixFolder object.
1556  */
1557
1558 /* UnixSubFolderIterator object layout and typedef.
1559  */
1560 typedef struct _UnixSubFolderIterator {
1561     const IEnumIDListVtbl *lpIEnumIDListVtbl;
1562     LONG m_cRef;
1563     SHCONTF m_fFilter;
1564     DIR *m_dirFolder;
1565     char m_szFolder[FILENAME_MAX];
1566 } UnixSubFolderIterator;
1567
1568 static void UnixSubFolderIterator_Destroy(UnixSubFolderIterator *iterator) {
1569     TRACE("(iterator=%p)\n", iterator);
1570
1571     if (iterator->m_dirFolder)
1572         closedir(iterator->m_dirFolder);
1573     SHFree(iterator);
1574 }
1575
1576 static HRESULT WINAPI UnixSubFolderIterator_IEnumIDList_QueryInterface(IEnumIDList* iface,
1577     REFIID riid, void** ppv)
1578 {
1579     TRACE("(iface=%p, riid=%p, ppv=%p)\n", iface, riid, ppv);
1580
1581     if (!ppv) return E_INVALIDARG;
1582
1583     if (IsEqualIID(&IID_IUnknown, riid) || IsEqualIID(&IID_IEnumIDList, riid)) {
1584         *ppv = iface;
1585     } else {
1586         *ppv = NULL;
1587         return E_NOINTERFACE;
1588     }
1589
1590     IEnumIDList_AddRef(iface);
1591     return S_OK;
1592 }
1593
1594 static ULONG WINAPI UnixSubFolderIterator_IEnumIDList_AddRef(IEnumIDList* iface)
1595 {
1596     UnixSubFolderIterator *This = ADJUST_THIS(UnixSubFolderIterator, IEnumIDList, iface);
1597
1598     TRACE("(iface=%p)\n", iface);
1599
1600     return InterlockedIncrement(&This->m_cRef);
1601 }
1602
1603 static ULONG WINAPI UnixSubFolderIterator_IEnumIDList_Release(IEnumIDList* iface)
1604 {
1605     UnixSubFolderIterator *This = ADJUST_THIS(UnixSubFolderIterator, IEnumIDList, iface);
1606     ULONG cRef;
1607
1608     TRACE("(iface=%p)\n", iface);
1609
1610     cRef = InterlockedDecrement(&This->m_cRef);
1611
1612     if (!cRef)
1613         UnixSubFolderIterator_Destroy(This);
1614
1615     return cRef;
1616 }
1617
1618 static HRESULT WINAPI UnixSubFolderIterator_IEnumIDList_Next(IEnumIDList* iface, ULONG celt,
1619     LPITEMIDLIST* rgelt, ULONG* pceltFetched)
1620 {
1621     UnixSubFolderIterator *This = ADJUST_THIS(UnixSubFolderIterator, IEnumIDList, iface);
1622     ULONG i = 0;
1623
1624     /* This->m_dirFolder will be NULL if the user doesn't have access rights for the dir. */
1625     if (This->m_dirFolder) {
1626         char *pszRelativePath = This->m_szFolder + lstrlenA(This->m_szFolder);
1627         struct dirent *pDirEntry;
1628
1629         while (i < celt) {
1630             pDirEntry = readdir(This->m_dirFolder);
1631             if (!pDirEntry) break; /* No more entries */
1632             if (!strcmp(pDirEntry->d_name, ".") || !strcmp(pDirEntry->d_name, "..")) continue;
1633
1634             /* Temporarily build absolute path in This->m_szFolder. Then construct a pidl
1635              * and see if it passes the filter.
1636              */
1637             lstrcpyA(pszRelativePath, pDirEntry->d_name);
1638             rgelt[i] = (LPITEMIDLIST)SHAlloc(SHITEMID_LEN_FROM_NAME_LEN(lstrlenA(pszRelativePath))+sizeof(USHORT));
1639             if (!UNIXFS_build_shitemid(This->m_szFolder, rgelt[i]) ||
1640                 !UNIXFS_is_pidl_of_type(rgelt[i], This->m_fFilter))
1641             {
1642                 SHFree(rgelt[i]);
1643                 continue;
1644             }
1645             memset(((PBYTE)rgelt[i])+rgelt[i]->mkid.cb, 0, sizeof(USHORT));
1646             i++;
1647         }
1648         *pszRelativePath = '\0'; /* Restore the original path in This->m_szFolder. */
1649     }
1650
1651     if (pceltFetched)
1652         *pceltFetched = i;
1653
1654     return (i == 0) ? S_FALSE : S_OK;
1655 }
1656
1657 static HRESULT WINAPI UnixSubFolderIterator_IEnumIDList_Skip(IEnumIDList* iface, ULONG celt)
1658 {
1659     LPITEMIDLIST *apidl;
1660     ULONG cFetched;
1661     HRESULT hr;
1662
1663     TRACE("(iface=%p, celt=%ld)\n", iface, celt);
1664
1665     /* Call IEnumIDList::Next and delete the resulting pidls. */
1666     apidl = (LPITEMIDLIST*)SHAlloc(celt * sizeof(LPITEMIDLIST));
1667     hr = IEnumIDList_Next(iface, celt, apidl, &cFetched);
1668     if (SUCCEEDED(hr))
1669         while (cFetched--)
1670             SHFree(apidl[cFetched]);
1671     SHFree(apidl);
1672
1673     return hr;
1674 }
1675
1676 static HRESULT WINAPI UnixSubFolderIterator_IEnumIDList_Reset(IEnumIDList* iface)
1677 {
1678     UnixSubFolderIterator *This = ADJUST_THIS(UnixSubFolderIterator, IEnumIDList, iface);
1679
1680     TRACE("(iface=%p)\n", iface);
1681
1682     if (This->m_dirFolder)
1683         rewinddir(This->m_dirFolder);
1684
1685     return S_OK;
1686 }
1687
1688 static HRESULT WINAPI UnixSubFolderIterator_IEnumIDList_Clone(IEnumIDList* This,
1689     IEnumIDList** ppenum)
1690 {
1691     TRACE("stub\n");
1692     return E_NOTIMPL;
1693 }
1694
1695 /* VTable for UnixSubFolderIterator's IEnumIDList interface.
1696  */
1697 static const IEnumIDListVtbl UnixSubFolderIterator_IEnumIDList_Vtbl = {
1698     UnixSubFolderIterator_IEnumIDList_QueryInterface,
1699     UnixSubFolderIterator_IEnumIDList_AddRef,
1700     UnixSubFolderIterator_IEnumIDList_Release,
1701     UnixSubFolderIterator_IEnumIDList_Next,
1702     UnixSubFolderIterator_IEnumIDList_Skip,
1703     UnixSubFolderIterator_IEnumIDList_Reset,
1704     UnixSubFolderIterator_IEnumIDList_Clone
1705 };
1706
1707 static IUnknown *UnixSubFolderIterator_Constructor(UnixFolder *pUnixFolder, SHCONTF fFilter) {
1708     UnixSubFolderIterator *iterator;
1709
1710     TRACE("(pUnixFolder=%p)\n", pUnixFolder);
1711
1712     iterator = SHAlloc((ULONG)sizeof(UnixSubFolderIterator));
1713     iterator->lpIEnumIDListVtbl = &UnixSubFolderIterator_IEnumIDList_Vtbl;
1714     iterator->m_cRef = 0;
1715     iterator->m_fFilter = fFilter;
1716     iterator->m_dirFolder = opendir(pUnixFolder->m_pszPath);
1717     lstrcpyA(iterator->m_szFolder, pUnixFolder->m_pszPath);
1718
1719     UnixSubFolderIterator_IEnumIDList_AddRef((IEnumIDList*)iterator);
1720
1721     return (IUnknown*)iterator;
1722 }