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