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

   1 /*
   2  * UNIXFS - Shell namespace extension for the unix filesystem
   3  *
   4  * Copyright (C) 2005 Michael Jung
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include "config.h"
  22 #include <stdio.h>
  23 #include <stdarg.h>
  24 #include <limits.h>
  25 #include <dirent.h>
  26 #ifdef HAVE_SYS_STAT_H
  27 # include <sys/stat.h>
  28 #endif
  29 #ifdef HAVE_PWD_H
  30 # include <pwd.h>
  31 #endif
  32 #include <grp.h>
  33 #include <limits.h>
  34
  35 #define COBJMACROS
  36 #define NONAMELESSUNION
  37 #define NONAMELESSSTRUCT
  38
  39 #include "windef.h"
  40 #include "winbase.h"
  41 #include "winuser.h"
  42 #include "objbase.h"
  43 #include "winreg.h"
  44 #include "winternl.h"
  45 #include "wine/debug.h"
  46
  47 #include "shell32_main.h"
  48 #include "shfldr.h"
  49 #include "shresdef.h"
  50 #include "pidl.h"
  51
  52 WINE_DEFAULT_DEBUG_CHANNEL(shell);
  53
  54 const GUID CLSID_UnixFolder = {0xcc702eb2, 0x7dc5, 0x11d9, {0xc6, 0x87, 0x00, 0x04, 0x23, 0x8a, 0x01, 0xcd}};
  55
  56 #define ADJUST_THIS(c,m,p) ((c*)(((long)p)-(long)&(((c*)0)->lp##m##Vtbl)))
  57 #define STATIC_CAST(i,p) ((i*)&p->lp##i##Vtbl)
  58
  59 /* FileStruct reserves one byte for szNames, thus we don't have to
  60  * alloc a byte for the terminating '\0' of 'name'. Two of the
  61  * additional bytes are for SHITEMID's cb field. One is for IDLDATA's
  62  * type field. One is for FileStruct's szNames field, to terminate
  63  * the alternate DOS name, which we don't use here. And then there's
  64  * the additional StatStruct.
  65  */
  66 #define SHITEMID_LEN_FROM_NAME_LEN(n) \
  67     (sizeof(USHORT)+sizeof(PIDLTYPE)+sizeof(FileStruct)+(n)+sizeof(char)+sizeof(StatStruct))
  68 #define NAME_LEN_FROM_LPSHITEMID(s) \
  69     (((LPSHITEMID)s)->cb-sizeof(USHORT)-sizeof(PIDLTYPE)-sizeof(FileStruct)-sizeof(char)-sizeof(StatStruct))
  70 #define LPSTATSTRUCT_FROM_LPSHITEMID(s) ((StatStruct*)(((LPBYTE)s)+((LPSHITEMID)s)->cb-sizeof(StatStruct)))
  71
  72 /* This structure is appended to shell32's FileStruct type in IDLs to store unix
  73  * filesystem specific informationen extracted with the stat system call.
  74  */
  75 typedef struct tagStatStruct {
  76     mode_t st_mode;
  77     uid_t  st_uid;
  78     gid_t  st_gid;
  79 } StatStruct;
  80
  81 /******************************************************************************
  82  * UNIXFS_is_pidl_of_type [INTERNAL]
  83  *
  84  * Checks for the first SHITEMID of an ITEMIDLIST if it passes a filter.
  85  *
  86  * PARAMS
  87  *  pIDL    [I] The ITEMIDLIST to be checked.
  88  *  fFilter [I] Shell condition flags, which specify the filter.
  89  *
  90  * RETURNS
  91  *  TRUE, if pIDL is accepted by fFilter
  92  *  FALSE, otherwise
  93  */
  94 static inline BOOL UNIXFS_is_pidl_of_type(LPITEMIDLIST pIDL, SHCONTF fFilter) {
  95     LPSTR pszText = _ILGetTextPointer(pIDL);
  96     if (!pszText) return FALSE;
  97     if (pszText[0] == '.' && !(fFilter & SHCONTF_INCLUDEHIDDEN)) return FALSE;
  98     if (_ILIsFolder(pIDL) && (fFilter & SHCONTF_FOLDERS)) return TRUE;
  99     if (_ILIsValue(pIDL) && (fFilter & SHCONTF_NONFOLDERS)) return TRUE;
 100     return FALSE;
 101 }
 102
 103 /******************************************************************************
 104  * UNIXFS_build_shitemid [Internal]
 105  *
 106  * Constructs a new SHITEMID for a single path item (up to the next '/' or
 107  * '\0') into a buffer. Decorates the SHITEMID with information from a stat
 108  * system call.
 109  *
 110  * PARAMS
 111  *  name   [I] The name of the next path item. Terminated by either '\0' or '/'.
 112  *  pStat  [I] A stat struct variable obtained by a stat system call on the file.
 113  *  buffer [O] SHITEMID will be constructed here.
 114  *
 115  * RETURNS
 116  *  A pointer to the next '/' or '\0' character in name.
 117  *
 118  * NOTES
 119  *  Minimum size of buffer is SHITEMID_LEN_FROM_NAME_LEN(strlen(name)).
 120  *  If what you need is a PIDLLIST with a single SHITEMID, don't forget to append
 121  *  a 0 USHORT value.
 122  */
 123 static char* UNIXFS_build_shitemid(char *name, struct stat *pStat, void *buffer) {
 124     LARGE_INTEGER time;
 125     FILETIME fileTime;
 126     LPPIDLDATA pIDLData;
 127     StatStruct *pStatStruct;
 128     int cNameLen;
 129     char *pSlash;
 130
 131     TRACE("(name=%s, buffer=%p)\n", debugstr_a(name), buffer);
 132
 133     pSlash = strchr(name, '/');
 134     cNameLen = pSlash ? pSlash - name : strlen(name);
 135
 136     memset(buffer, 0, SHITEMID_LEN_FROM_NAME_LEN(cNameLen));
 137     ((LPSHITEMID)buffer)->cb = SHITEMID_LEN_FROM_NAME_LEN(cNameLen) ;
 138
 139     pIDLData = _ILGetDataPointer((LPCITEMIDLIST)buffer);
 140     pIDLData->type = S_ISDIR(pStat->st_mode) ? PT_FOLDER : PT_VALUE;
 141     pIDLData->u.file.dwFileSize = (DWORD)pStat->st_size;
 142     RtlSecondsSince1970ToTime( pStat->st_mtime, &time );
 143     fileTime.dwLowDateTime = time.u.LowPart;
 144     fileTime.dwHighDateTime = time.u.HighPart;
 145     FileTimeToDosDateTime(&fileTime, &pIDLData->u.file.uFileDate, &pIDLData->u.file.uFileTime);
 146     pIDLData->u.file.uFileAttribs =
 147         (S_ISDIR(pStat->st_mode) ? FILE_ATTRIBUTE_DIRECTORY : 0) |
 148         (name[0] == '.' ? FILE_ATTRIBUTE_HIDDEN : 0);
 149     memcpy(pIDLData->u.file.szNames, name, cNameLen);
 150
 151     pStatStruct = LPSTATSTRUCT_FROM_LPSHITEMID(buffer);
 152     pStatStruct->st_mode = pStat->st_mode;
 153     pStatStruct->st_uid = pStat->st_uid;
 154     pStatStruct->st_gid = pStat->st_gid;
 155
 156     return pSlash ? pSlash+1 : (name + cNameLen);
 157 }
 158
 159 /******************************************************************************
 160  * UNIXFS_path_to_pidl [Internal]
 161  *
 162  * PARAMS
 163  *  base  [I] Path prefix. May be NULL if "path" parameter is absolute
 164  *  path  [I] An absolute unix path or a path relativ to "base"
 165  *  ppidl [O] The corresponding ITEMIDLIST. Release with SHFree/ILFree
 166  *
 167  * RETURNS
 168  *  Success: TRUE
 169  *  Failure: FALSE, invalid params or out of memory
 170  */
 171 static BOOL UNIXFS_path_to_pidl(const char *base, const char *path, LPITEMIDLIST *ppidl) {
 172     LPITEMIDLIST pidl;
 173     struct stat fileStat;
 174     int cSubDirs, cPidlLen, res;
 175     char *pSlash, *pCompletePath, *pNextPathElement;
 176
 177     TRACE("path=%s, ppidl=%p", debugstr_a(path), ppidl);
 178
 179     /* Fail, if base + path is not an absolute path */
 180     if (!ppidl || !path || (path[0] != '/' && (!base || base[0] != '/'))) return FALSE;
 181
 182     /* Build an absolute path and let pNextPathElement point to the interesting relativ path. */
 183     if (path[0] != '/') {
 184         pCompletePath = SHAlloc(strlen(base)+strlen(path)+1);
 185         if (!pCompletePath) return FALSE;
 186         sprintf(pCompletePath, "%s%s", base, path);
 187         pNextPathElement = pCompletePath + strlen(base);
 188     } else {
 189         pCompletePath = SHAlloc(strlen(path)+1);
 190         if (!pCompletePath) return FALSE;
 191         memcpy(pCompletePath, path, strlen(path)+1);
 192         pNextPathElement = pCompletePath + 1;
 193     }
 194
 195     /* Count the number of sub-directories in the path */
 196     cSubDirs = 1; /* Path may not be terminated with '/', thus start with 1 */
 197     pSlash = strchr(pNextPathElement, '/');
 198     while (pSlash) {
 199         cSubDirs++;
 200         pSlash = strchr(pSlash+1, '/');
 201     }
 202
 203     /* Allocate enough memory to hold the path. The -cSubDirs is for the '/'
 204      * characters, which are not stored in the ITEMIDLIST. */
 205     cPidlLen = strlen(pCompletePath) - cSubDirs + cSubDirs * SHITEMID_LEN_FROM_NAME_LEN(0) + sizeof(USHORT);
 206     *ppidl = pidl = (LPITEMIDLIST)SHAlloc(cPidlLen);
 207     if (!pidl) {
 208         SHFree(pCompletePath);
 209         return FALSE;
 210     }
 211
 212     /* Concatenate the SHITEMIDs of the sub-directories. */
 213     while (*pNextPathElement) {
 214         pSlash = strchr(pNextPathElement, '/');
 215         if (pSlash) {
 216             *pSlash = '\0';
 217             res = stat(pCompletePath, &fileStat);
 218             *pSlash = '/';
 219             if (res) {
 220                 SHFree(pCompletePath);
 221                 SHFree(pidl);
 222                 return FALSE;
 223             }
 224         } else {
 225             if (stat(pCompletePath, &fileStat)) {
 226                 SHFree(pCompletePath);
 227                 SHFree(pidl);
 228                 return FALSE;
 229             }
 230         }
 231
 232         pNextPathElement = UNIXFS_build_shitemid(pNextPathElement, &fileStat, pidl);
 233         pidl = ILGetNext(pidl);
 234     }
 235     pidl->mkid.cb = 0; /* Terminate the ITEMIDLIST */
 236
 237     SHFree(pCompletePath);
 238     return TRUE;
 239 }
 240
 241 /******************************************************************************
 242  * UNIXFS_pidl_to_path [Internal]
 243  *
 244  * Construct the unix path that corresponds to a fully qualified ITEMIDLIST
 245  *
 246  * PARAMS
 247  *  pidl [I] ITEMIDLIST that specifies the absolute location of the folder
 248  *  path [O] The corresponding unix path as a zero terminated ascii string
 249  *
 250  * RETURNS
 251  *  Success: TRUE
 252  *  Failure: FALSE, pidl doesn't specify a unix path or out of memory
 253  */
 254 static BOOL UNIXFS_pidl_to_path(LPCITEMIDLIST pidl, PSZ *path) {
 255     LPCITEMIDLIST current = pidl, root;
 256     DWORD dwPathLen;
 257     char *pNextDir;
 258
 259     TRACE("(pidl=%p, path=%p)\n", pidl, path);
 260
 261     *path = NULL;
 262
 263     /* Find the UnixFolderClass root */
 264     while (current->mkid.cb) {
 265         LPPIDLDATA pData = _ILGetDataPointer(current);
 266         if (!pData) return FALSE;
 267         if (pData->type == PT_GUID && IsEqualIID(&CLSID_UnixFolder, &pData->u.guid.guid)) break;
 268         current = ILGetNext(current);
 269     }
 270     root = current = ILGetNext(current);
 271
 272     /* Determine the path's length bytes */
 273     dwPathLen = 2; /* For the '/' prefix and the terminating '\0' */
 274     while (current->mkid.cb) {
 275         dwPathLen += NAME_LEN_FROM_LPSHITEMID(current) + 1; /* For the '/' */
 276         current = ILGetNext(current);
 277     };
 278
 279     /* Build the path */
 280     *path = pNextDir = SHAlloc(dwPathLen);
 281     if (!path) {
 282         WARN("SHAlloc failed!\n");
 283         return FALSE;
 284     }
 285     current = root;
 286     *pNextDir++ = '/';
 287     while (current->mkid.cb) {
 288         memcpy(pNextDir, _ILGetTextPointer(current), NAME_LEN_FROM_LPSHITEMID(current));
 289         pNextDir += NAME_LEN_FROM_LPSHITEMID(current);
 290         *pNextDir++ = '/';
 291         current = ILGetNext(current);
 292     }
 293     *pNextDir='\0';
 294
 295     TRACE("resulting path: %s\n", *path);
 296     return TRUE;
 297 }
 298
 299 /******************************************************************************
 300  * UNIXFS_build_subfolder_pidls [Internal]
 301  *
 302  * Builds an array of subfolder PIDLs relative to a unix directory
 303  *
 304  * PARAMS
 305  *  path   [I] Name of a unix directory as a zero terminated ascii string
 306  *  apidl  [O] The array of PIDLs
 307  *  pCount [O] Size of apidl
 308  *
 309  * RETURNS
 310  *  Success: TRUE
 311  *  Failure: FALSE, path is not a valid unix directory or out of memory
 312  *
 313  * NOTES
 314  *  The array of PIDLs and each PIDL are allocated with SHAlloc. You'll have
 315  *  to release each PIDL as well as the array itself with SHFree.
 316  */
 317 static BOOL UNIXFS_build_subfolder_pidls(const char *path, LPITEMIDLIST **apidl, DWORD *pCount)
 318 {
 319     struct dirent *pDirEntry;
 320     struct stat fileStat;
 321     DIR *dir;
 322     DWORD cDirEntries, i;
 323     USHORT sLen;
 324     char *pszFQPath;
 325
 326     TRACE("(path=%s, apidl=%p, pCount=%p)\n", debugstr_a(path), apidl, pCount);
 327
 328     *apidl = NULL;
 329     *pCount = 0;
 330
 331     dir = opendir(path);
 332     if (!dir) {
 333         WARN("Failed to open directory '%s'.\n", path);
 334         return FALSE;
 335     }
 336
 337     /* Allocate space for fully qualified paths */
 338     pszFQPath = SHAlloc(strlen(path) + PATH_MAX);
 339     if (!pszFQPath) {
 340         WARN("SHAlloc failed!\n");
 341         return FALSE;
 342     }
 343
 344     /* Count number of directory entries. */
 345     for (cDirEntries = 0, pDirEntry = readdir(dir); pDirEntry; pDirEntry = readdir(dir)) {
 346         if (!strcmp(pDirEntry->d_name, ".") || !strcmp(pDirEntry->d_name, "..")) continue;
 347         sprintf(pszFQPath, "%s%s", path, pDirEntry->d_name);
 348         if (!stat(pszFQPath, &fileStat) && (S_ISDIR(fileStat.st_mode) || S_ISREG(fileStat.st_mode))) cDirEntries++;
 349     }
 350
 351     /* If there are no entries, we are done. */
 352     if (cDirEntries == 0) {
 353         closedir(dir);
 354         SHFree(pszFQPath);
 355         return TRUE;
 356     }
 357
 358     /* Allocate the array of PIDLs */
 359     *apidl = SHAlloc(cDirEntries * sizeof(LPITEMIDLIST));
 360     if (!apidl) {
 361         WARN("SHAlloc failed!\n");
 362         return FALSE;
 363     }
 364
 365     /* Allocate and initialize one SHITEMID per sub-directory. */
 366     for (rewinddir(dir), pDirEntry = readdir(dir), i = 0; pDirEntry; pDirEntry = readdir(dir)) {
 367         LPSHITEMID pid;
 368
 369         if (!strcmp(pDirEntry->d_name, ".") || !strcmp(pDirEntry->d_name, "..")) continue;
 370
 371         sprintf(pszFQPath, "%s%s", path, pDirEntry->d_name);
 372         if (stat(pszFQPath, &fileStat)) continue;
 373         if (!S_ISDIR(fileStat.st_mode) && !S_ISREG(fileStat.st_mode)) continue;
 374
 375         sLen = strlen(pDirEntry->d_name);
 376         pid = (LPSHITEMID)SHAlloc(SHITEMID_LEN_FROM_NAME_LEN(sLen)+sizeof(USHORT));
 377         if (!pid) {
 378             WARN("SHAlloc failed!\n");
 379             return FALSE;
 380         }
 381         UNIXFS_build_shitemid(pDirEntry->d_name, &fileStat, pid);
 382         memset(((PBYTE)pid)+pid->cb, 0, sizeof(USHORT));
 383
 384         (*apidl)[i++] = (LPITEMIDLIST)pid;
 385     }
 386
 387     *pCount = i;
 388     closedir(dir);
 389     SHFree(pszFQPath);
 390
 391     return TRUE;
 392 }
 393
 394 /******************************************************************************
 395  * UnixFolderIcon
 396  *
 397  * Singleton class, which is used by the shell to extract icons to represent
 398  * folders in tree- and listviews. Currently, all this singleton does is to
 399  * provide the shell with the absolute path to "shell32.dll" and with the
 400  * indices of the closed and opened folder icons in the resources of this dll.
 401  */
 402
 403 /* UnixFolderIcon object layout and typedef.
 404  */
 405 typedef struct _UnixFolderIcon {
 406     const IExtractIconWVtbl *lpIExtractIconWVtbl;
 407     BOOL bFolder;
 408 } UnixFolderIcon;
 409
 410 static HRESULT WINAPI UnixFolderIcon_IExtractIconW_QueryInterface(IExtractIconW *iface, REFIID riid,
 411     void **ppv)
 412 {
 413     TRACE("(iface=%p, riid=%p, ppv=%p)\n", iface, riid, ppv);
 414
 415     if (!ppv) return E_INVALIDARG;
 416
 417     if (IsEqualIID(&IID_IUnknown, riid) ||
 418         IsEqualIID(&IID_IExtractIconW, riid))
 419     {
 420         *ppv = iface;
 421     } else {
 422         *ppv = NULL;
 423         return E_NOINTERFACE;
 424     }
 425
 426     IExtractIconW_AddRef(iface);
 427     return S_OK;
 428 }
 429
 430 static ULONG WINAPI UnixFolderIcon_IExtractIconW_AddRef(IExtractIconW *iface) {
 431     TRACE("(iface=%p)\n", iface);
 432     return 2;
 433 }
 434
 435 static ULONG WINAPI UnixFolderIcon_IExtractIconW_Release(IExtractIconW *iface) {
 436     TRACE("(iface=%p)\n", iface);
 437     return 1;
 438 }
 439
 440 static HRESULT WINAPI UnixFolderIcon_IExtractIconW_GetIconLocation(IExtractIconW *iface,
 441     UINT uFlags, LPWSTR szIconFile, UINT cchMax, INT* piIndex, UINT* pwFlags)
 442 {
 443     UnixFolderIcon *This = ADJUST_THIS(UnixFolderIcon, IExtractIconW, iface);
 444
 445     TRACE("(iface=%p, uFlags=%u, szIconFile=%s, cchMax=%u, piIndex=%p, pwFlags=%p)\n",
 446             iface, uFlags, debugstr_w(szIconFile), cchMax, piIndex, pwFlags);
 447
 448     lstrcpynW(szIconFile, swShell32Name, cchMax);
 449     if (This->bFolder) {
 450         *piIndex = (uFlags & GIL_OPENICON) ? -IDI_SHELL_FOLDER_OPEN : -IDI_SHELL_FOLDER;
 451     } else {
 452         *piIndex = -IDI_SHELL_DOCUMENT;
 453     }
 454     *pwFlags = 0;
 455
 456     return S_OK;
 457 }
 458
 459 static HRESULT WINAPI UnixFolderIcon_IExtractIconW_Extract(
 460     IExtractIconW *iface, LPCWSTR pszFile, UINT nIconIndex, HICON* phiconLarge, HICON* phiconSmall,
 461     UINT nIconSize)
 462 {
 463     TRACE("(iface=%p, pszFile=%s, nIconIndex=%u, phiconLarge=%p, phiconSmall=%p, nIconSize=%u)"
 464           "stub\n", iface, debugstr_w(pszFile), nIconIndex, phiconLarge, phiconSmall, nIconSize);
 465
 466     return E_NOTIMPL;
 467 }
 468
 469 /* VTable for the IExtractIconW interface of the UnixFolderIcon class.
 470  */
 471 static const IExtractIconWVtbl UnixFolderIcon_IExtractIconW_Vtbl = {
 472     UnixFolderIcon_IExtractIconW_QueryInterface,
 473     UnixFolderIcon_IExtractIconW_AddRef,
 474     UnixFolderIcon_IExtractIconW_Release,
 475     UnixFolderIcon_IExtractIconW_GetIconLocation,
 476     UnixFolderIcon_IExtractIconW_Extract
 477 };
 478
 479 /* The singleton instance
 480  */
 481 UnixFolderIcon UnixFolderIconSingleton = { &UnixFolderIcon_IExtractIconW_Vtbl, TRUE };
 482 UnixFolderIcon UnixDocumentIconSingleton = { &UnixFolderIcon_IExtractIconW_Vtbl, FALSE };
 483
 484 /******************************************************************************
 485  * UnixFolder
 486  *
 487  * Class whose heap based instances represent unix filesystem directories.
 488  */
 489
 490 /* UnixFolder object layout and typedef.
 491  */
 492 typedef struct _UnixFolder {
 493     const IShellFolder2Vtbl  *lpIShellFolder2Vtbl;
 494     const IPersistFolderVtbl *lpIPersistFolderVtbl;
 495     ULONG m_cRef;
 496     CHAR *m_pszPath;
 497     LPITEMIDLIST m_pidlLocation;
 498     LPITEMIDLIST *m_apidlSubDirs;
 499     DWORD m_cSubDirs;
 500 } UnixFolder;
 501
 502 static void UnixFolder_Destroy(UnixFolder *pUnixFolder) {
 503     DWORD i;
 504
 505     TRACE("(pUnixFolder=%p)\n", pUnixFolder);
 506
 507     if (pUnixFolder->m_apidlSubDirs)
 508         for (i=0; i < pUnixFolder->m_cSubDirs; i++)
 509             SHFree(pUnixFolder->m_apidlSubDirs[i]);
 510     SHFree(pUnixFolder->m_apidlSubDirs);
 511     SHFree(pUnixFolder->m_pszPath);
 512     ILFree(pUnixFolder->m_pidlLocation);
 513     SHFree(pUnixFolder);
 514 }
 515
 516 static HRESULT WINAPI UnixFolder_IShellFolder2_QueryInterface(IShellFolder2 *iface, REFIID riid,
 517     void **ppv)
 518 {
 519     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 520
 521     TRACE("(iface=%p, riid=%p, ppv=%p)\n", iface, riid, ppv);
 522
 523     if (!ppv) return E_INVALIDARG;
 524
 525     if (IsEqualIID(&IID_IUnknown, riid) || IsEqualIID(&IID_IShellFolder, riid) ||
 526         IsEqualIID(&IID_IShellFolder2, riid))
 527     {
 528         *ppv = &This->lpIShellFolder2Vtbl;
 529     } else if (IsEqualIID(&IID_IPersistFolder, riid) || IsEqualIID(&IID_IPersist, riid)) {
 530         *ppv = &This->lpIPersistFolderVtbl;
 531     } else {
 532         *ppv = NULL;
 533         return E_NOINTERFACE;
 534     }
 535
 536     IUnknown_AddRef((IUnknown*)*ppv);
 537     return S_OK;
 538 }
 539
 540 static ULONG WINAPI UnixFolder_IShellFolder2_AddRef(IShellFolder2 *iface) {
 541     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 542
 543     TRACE("(iface=%p)\n", iface);
 544
 545     return InterlockedIncrement(&This->m_cRef);
 546 }
 547
 548 static ULONG WINAPI UnixFolder_IShellFolder2_Release(IShellFolder2 *iface) {
 549     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 550     ULONG cRef;
 551
 552     TRACE("(iface=%p)\n", iface);
 553
 554     cRef = InterlockedDecrement(&This->m_cRef);
 555
 556     if (!cRef)
 557         UnixFolder_Destroy(This);
 558
 559     return cRef;
 560 }
 561
 562 static HRESULT WINAPI UnixFolder_IShellFolder2_ParseDisplayName(IShellFolder2* iface, HWND hwndOwner,
 563     LPBC pbcReserved, LPOLESTR lpszDisplayName, ULONG* pchEaten, LPITEMIDLIST* ppidl,
 564     ULONG* pdwAttributes)
 565 {
 566     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 567     int cPathLen;
 568     char *pszAnsiPath;
 569     BOOL result;
 570
 571     TRACE("(iface=%p, hwndOwner=%p, pbcReserved=%p, lpszDisplayName=%s, pchEaten=%p, ppidl=%p, "
 572           "pdwAttributes=%p) stub\n", iface, hwndOwner, pbcReserved, debugstr_w(lpszDisplayName),
 573           pchEaten, ppidl, pdwAttributes);
 574
 575     cPathLen = lstrlenW(lpszDisplayName);
 576     pszAnsiPath = (char*)SHAlloc(cPathLen+1);
 577     WideCharToMultiByte(CP_ACP, 0, lpszDisplayName, -1, pszAnsiPath, cPathLen+1, NULL, NULL);
 578
 579     result = UNIXFS_path_to_pidl(This->m_pszPath, pszAnsiPath, ppidl);
 580     if (result && pdwAttributes)
 581         SHELL32_GetItemAttributes((IShellFolder*)iface, *ppidl, pdwAttributes);
 582
 583     SHFree(pszAnsiPath);
 584
 585     if (!result) TRACE("FAILED!\n");
 586
 587     return result ? S_OK : E_FAIL;
 588 }
 589
 590 static IUnknown *UnixSubFolderIterator_Construct(UnixFolder *pUnixFolder, SHCONTF fFilter);
 591
 592 static HRESULT WINAPI UnixFolder_IShellFolder2_EnumObjects(IShellFolder2* iface, HWND hwndOwner,
 593     SHCONTF grfFlags, IEnumIDList** ppEnumIDList)
 594 {
 595     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 596     IUnknown *newIterator;
 597     HRESULT hr;
 598
 599     TRACE("(iface=%p, hwndOwner=%p, grfFlags=%08lx, ppEnumIDList=%p)\n",
 600             iface, hwndOwner, grfFlags, ppEnumIDList);
 601
 602     newIterator = UnixSubFolderIterator_Construct(This, grfFlags);
 603     hr = IUnknown_QueryInterface(newIterator, &IID_IEnumIDList, (void**)ppEnumIDList);
 604     IUnknown_Release(newIterator);
 605
 606     return hr;
 607 }
 608
 609 static HRESULT WINAPI UnixFolder_IShellFolder2_BindToObject(IShellFolder2* iface, LPCITEMIDLIST pidl,
 610     LPBC pbcReserved, REFIID riid, void** ppvOut)
 611 {
 612     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 613     IPersistFolder *persistFolder;
 614     LPITEMIDLIST pidlSubFolder;
 615     HRESULT hr;
 616
 617     TRACE("(iface=%p, pidl=%p, pbcReserver=%p, riid=%p, ppvOut=%p)\n",
 618             iface, pidl, pbcReserved, riid, ppvOut);
 619
 620     hr = UnixFolder_Constructor(NULL, &IID_IPersistFolder, (void**)&persistFolder);
 621     if (!SUCCEEDED(hr)) return hr;
 622     hr = IPersistFolder_QueryInterface(persistFolder, riid, (void**)ppvOut);
 623
 624     pidlSubFolder = ILCombine(This->m_pidlLocation, pidl);
 625     IPersistFolder_Initialize(persistFolder, pidlSubFolder);
 626     IPersistFolder_Release(persistFolder);
 627     ILFree(pidlSubFolder);
 628
 629     return hr;
 630 }
 631
 632 static HRESULT WINAPI UnixFolder_IShellFolder2_BindToStorage(IShellFolder2* This, LPCITEMIDLIST pidl,
 633     LPBC pbcReserved, REFIID riid, void** ppvObj)
 634 {
 635     TRACE("stub\n");
 636     return E_NOTIMPL;
 637 }
 638
 639 static HRESULT WINAPI UnixFolder_IShellFolder2_CompareIDs(IShellFolder2* iface, LPARAM lParam,
 640     LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2)
 641 {
 642     BOOL isEmpty1, isEmpty2;
 643     HRESULT hr = E_FAIL;
 644     LPITEMIDLIST firstpidl;
 645     IShellFolder2 *psf;
 646     int compare;
 647
 648     TRACE("(iface=%p, lParam=%ld, pidl1=%p, pidl2=%p)\n", iface, lParam, pidl1, pidl2);
 649
 650     isEmpty1 = !pidl1 || !pidl1->mkid.cb;
 651     isEmpty2 = !pidl2 || !pidl2->mkid.cb;
 652
 653     if (isEmpty1 && isEmpty2)
 654         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, 0);
 655     else if (isEmpty1)
 656         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, (WORD)-1);
 657     else if (isEmpty2)
 658         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, (WORD)1);
 659
 660     if (_ILIsFolder(pidl1) && !_ILIsFolder(pidl2))
 661         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, (WORD)-1);
 662     if (!_ILIsFolder(pidl1) && _ILIsFolder(pidl2))
 663         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, (WORD)1);
 664
 665     compare = CompareStringA(LOCALE_USER_DEFAULT, NORM_IGNORECASE,
 666                              _ILGetTextPointer(pidl1), NAME_LEN_FROM_LPSHITEMID(pidl1),
 667                              _ILGetTextPointer(pidl2), NAME_LEN_FROM_LPSHITEMID(pidl2));
 668
 669     if ((compare == CSTR_LESS_THAN) || (compare == CSTR_GREATER_THAN))
 670         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, (WORD)(compare == CSTR_LESS_THAN)?-1:1);
 671
 672     if (pidl1->mkid.cb < pidl2->mkid.cb)
 673         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, (WORD)-1);
 674     else if (pidl1->mkid.cb > pidl2->mkid.cb)
 675         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, (WORD)1);
 676
 677     firstpidl = ILCloneFirst(pidl1);
 678     pidl1 = ILGetNext(pidl1);
 679     pidl2 = ILGetNext(pidl2);
 680
 681     hr = IShellFolder2_BindToObject(iface, firstpidl, NULL, &IID_IShellFolder, (LPVOID*)&psf);
 682     if (SUCCEEDED(hr)) {
 683         hr = IShellFolder_CompareIDs(psf, lParam, pidl1, pidl2);
 684         IShellFolder2_Release(psf);
 685     }
 686
 687     ILFree(firstpidl);
 688     return hr;
 689 }
 690
 691 static HRESULT WINAPI UnixFolder_IShellFolder2_CreateViewObject(IShellFolder2* iface, HWND hwndOwner,
 692     REFIID riid, void** ppv)
 693 {
 694     HRESULT hr = E_INVALIDARG;
 695
 696     TRACE("(iface=%p, hwndOwner=%p, riid=%p, ppv=%p) stub\n", iface, hwndOwner, riid, ppv);
 697
 698     if (!ppv) return E_INVALIDARG;
 699     *ppv = NULL;
 700
 701     if (IsEqualIID(&IID_IShellView, riid)) {
 702         LPSHELLVIEW pShellView;
 703
 704         pShellView = IShellView_Constructor((IShellFolder*)iface);
 705         if (pShellView) {
 706             hr = IShellView_QueryInterface(pShellView, riid, ppv);
 707             IShellView_Release(pShellView);
 708         }
 709     }
 710
 711     return hr;
 712 }
 713
 714 static HRESULT WINAPI UnixFolder_IShellFolder2_GetAttributesOf(IShellFolder2* iface, UINT cidl,
 715     LPCITEMIDLIST* apidl, SFGAOF* rgfInOut)
 716 {
 717     UINT i;
 718     SFGAOF flags= ~(SFGAOF)0;
 719
 720     TRACE("(iface=%p, cidl=%u, apidl=%p, rgfInOut=%p) semi-stub\n", iface, cidl, apidl, rgfInOut);
 721
 722     for (i=0; i<cidl; i++) {
 723         LPPIDLDATA pData = _ILGetDataPointer(apidl[i]);
 724         if (!pData) continue;
 725         if (pData->type == PT_FOLDER) flags &= (SFGAO_FILESYSTEM|SFGAO_FOLDER|SFGAO_HASSUBFOLDER);
 726         if (pData->type == PT_VALUE) flags &= SFGAO_FILESYSTEM;
 727     }
 728
 729     *rgfInOut = *rgfInOut & flags;
 730
 731     return S_OK;
 732 }
 733
 734 static HRESULT WINAPI UnixFolder_IShellFolder2_GetUIObjectOf(IShellFolder2* iface, HWND hwndOwner,
 735     UINT cidl, LPCITEMIDLIST* apidl, REFIID riid, UINT* prgfInOut, void** ppvOut)
 736 {
 737     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 738
 739     TRACE("(iface=%p, hwndOwner=%p, cidl=%d, apidl=%p, riid=%s, prgfInOut=%p, ppv=%p)\n",
 740         iface, hwndOwner, cidl, apidl, debugstr_guid(riid), prgfInOut, ppvOut);
 741
 742     if (IsEqualIID(&IID_IContextMenu, riid)) {
 743         *ppvOut = ISvItemCm_Constructor((IShellFolder*)iface, This->m_pidlLocation, apidl, cidl);
 744         return S_OK;
 745     } else if (IsEqualIID(&IID_IDataObject, riid)) {
 746         *ppvOut = IDataObject_Constructor(hwndOwner, This->m_pidlLocation, apidl, cidl);
 747         return S_OK;
 748     } else if (IsEqualIID(&IID_IExtractIconA, riid)) {
 749         FIXME("IExtractIconA\n");
 750         return E_FAIL;
 751     } else if (IsEqualIID(&IID_IExtractIconW, riid)) {
 752         if (cidl != 1) return E_FAIL;
 753         if (_ILIsFolder(apidl[0]))
 754             *ppvOut = &UnixFolderIconSingleton;
 755         else
 756             *ppvOut = &UnixDocumentIconSingleton;
 757         return S_OK;
 758     } else if (IsEqualIID(&IID_IDropTarget, riid)) {
 759         FIXME("IDropTarget\n");
 760         return E_FAIL;
 761     } else if (IsEqualIID(&IID_IShellLinkW, riid)) {
 762         FIXME("IShellLinkW\n");
 763         return E_FAIL;
 764     } else if (IsEqualIID(&IID_IShellLinkA, riid)) {
 765         FIXME("IShellLinkA\n");
 766         return E_FAIL;
 767     } else {
 768         FIXME("Unknown interface %s in GetUIObjectOf\n", debugstr_guid(riid));
 769         return E_NOINTERFACE;
 770     }
 771 }
 772
 773 static HRESULT WINAPI UnixFolder_IShellFolder2_GetDisplayNameOf(IShellFolder2* iface,
 774     LPCITEMIDLIST pidl, SHGDNF uFlags, STRRET* lpName)
 775 {
 776     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 777     HRESULT hr = S_OK;
 778
 779     TRACE("(iface=%p, pidl=%p, uFlags=%lx, lpName=%p)\n", iface, pidl, uFlags, lpName);
 780
 781     if ((GET_SHGDN_FOR(uFlags) == SHGDN_FORPARSING) &&
 782         (GET_SHGDN_RELATION(uFlags) != SHGDN_INFOLDER))
 783     {
 784         if (!pidl->mkid.cb) {
 785             lpName->uType = STRRET_CSTR;
 786             strcpy(lpName->u.cStr, This->m_pszPath);
 787         } else {
 788             IShellFolder *pSubFolder;
 789             USHORT emptyIDL = 0;
 790
 791             hr = IShellFolder_BindToObject(iface, pidl, NULL, &IID_IShellFolder, (void**)&pSubFolder);
 792             if (!SUCCEEDED(hr)) return hr;
 793
 794             hr = IShellFolder_GetDisplayNameOf(pSubFolder, (LPITEMIDLIST)&emptyIDL, uFlags, lpName);
 795             IShellFolder_Release(pSubFolder);
 796         }
 797     } else {
 798         char *pszFileName = _ILGetTextPointer(pidl);
 799         lpName->uType = STRRET_CSTR;
 800         strcpy(lpName->u.cStr, pszFileName ? pszFileName : "");
 801     }
 802
 803     return hr;
 804 }
 805
 806 static HRESULT WINAPI UnixFolder_IShellFolder2_SetNameOf(IShellFolder2* This, HWND hwnd,
 807     LPCITEMIDLIST pidl, LPCOLESTR lpszName, SHGDNF uFlags, LPITEMIDLIST* ppidlOut)
 808 {
 809     TRACE("stub\n");
 810     return E_NOTIMPL;
 811 }
 812
 813 static HRESULT WINAPI UnixFolder_IShellFolder2_EnumSearches(IShellFolder2* iface,
 814     IEnumExtraSearch **ppEnum)
 815 {
 816     TRACE("stub\n");
 817     return E_NOTIMPL;
 818 }
 819
 820 static HRESULT WINAPI UnixFolder_IShellFolder2_GetDefaultColumn(IShellFolder2* iface,
 821     DWORD dwReserved, ULONG *pSort, ULONG *pDisplay)
 822 {
 823     TRACE("stub\n");
 824     return E_NOTIMPL;
 825 }
 826
 827 static HRESULT WINAPI UnixFolder_IShellFolder2_GetDefaultColumnState(IShellFolder2* iface,
 828     UINT iColumn, SHCOLSTATEF *pcsFlags)
 829 {
 830     TRACE("stub\n");
 831     return E_NOTIMPL;
 832 }
 833
 834 static HRESULT WINAPI UnixFolder_IShellFolder2_GetDefaultSearchGUID(IShellFolder2* iface,
 835     GUID *pguid)
 836 {
 837     TRACE("stub\n");
 838     return E_NOTIMPL;
 839 }
 840
 841 static HRESULT WINAPI UnixFolder_IShellFolder2_GetDetailsEx(IShellFolder2* iface,
 842     LPCITEMIDLIST pidl, const SHCOLUMNID *pscid, VARIANT *pv)
 843 {
 844     TRACE("stub\n");
 845     return E_NOTIMPL;
 846 }
 847
 848 #define SHELLVIEWCOLUMNS 6
 849
 850 static HRESULT WINAPI UnixFolder_IShellFolder2_GetDetailsOf(IShellFolder2* iface,
 851     LPCITEMIDLIST pidl, UINT iColumn, SHELLDETAILS *psd)
 852 {
 853     HRESULT hr = E_FAIL;
 854     struct passwd *pPasswd;
 855     struct group *pGroup;
 856     static const shvheader SFHeader[SHELLVIEWCOLUMNS] = {
 857         {IDS_SHV_COLUMN1,  SHCOLSTATE_TYPE_STR  | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 15},
 858         {IDS_SHV_COLUMN5,  SHCOLSTATE_TYPE_STR  | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 10},
 859         {IDS_SHV_COLUMN10, SHCOLSTATE_TYPE_STR  | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 7},
 860         {IDS_SHV_COLUMN11, SHCOLSTATE_TYPE_STR  | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 7},
 861         {IDS_SHV_COLUMN2,  SHCOLSTATE_TYPE_STR  | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 8},
 862         {IDS_SHV_COLUMN4,  SHCOLSTATE_TYPE_DATE | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 10}
 863     };
 864
 865     TRACE("(iface=%p, pidl=%p, iColumn=%d, psd=%p) stub\n", iface, pidl, iColumn, psd);
 866
 867     if (!psd || iColumn >= SHELLVIEWCOLUMNS)
 868         return E_INVALIDARG;
 869
 870     if (!pidl) {
 871         psd->fmt = SFHeader[iColumn].fmt;
 872         psd->cxChar = SFHeader[iColumn].cxChar;
 873         psd->str.uType = STRRET_CSTR;
 874         LoadStringA(shell32_hInstance, SFHeader[iColumn].colnameid, psd->str.u.cStr, MAX_PATH);
 875         return S_OK;
 876     } else {
 877         StatStruct *pStatStruct = LPSTATSTRUCT_FROM_LPSHITEMID(pidl);
 878         psd->str.u.cStr[0] = '\0';
 879         psd->str.uType = STRRET_CSTR;
 880         switch (iColumn) {
 881             case 0:
 882                 hr = IShellFolder2_GetDisplayNameOf(iface, pidl, SHGDN_NORMAL|SHGDN_INFOLDER, &psd->str);
 883                 break;
 884             case 1:
 885                 psd->str.u.cStr[0] = S_ISDIR(pStatStruct->st_mode) ? 'd' : '-';
 886                 psd->str.u.cStr[1] = (pStatStruct->st_mode & S_IRUSR) ? 'r' : '-';
 887                 psd->str.u.cStr[2] = (pStatStruct->st_mode & S_IWUSR) ? 'w' : '-';
 888                 psd->str.u.cStr[3] = (pStatStruct->st_mode & S_IXUSR) ? 'x' : '-';
 889                 psd->str.u.cStr[4] = (pStatStruct->st_mode & S_IRGRP) ? 'r' : '-';
 890                 psd->str.u.cStr[5] = (pStatStruct->st_mode & S_IWGRP) ? 'w' : '-';
 891                 psd->str.u.cStr[6] = (pStatStruct->st_mode & S_IXGRP) ? 'x' : '-';
 892                 psd->str.u.cStr[7] = (pStatStruct->st_mode & S_IROTH) ? 'r' : '-';
 893                 psd->str.u.cStr[8] = (pStatStruct->st_mode & S_IWOTH) ? 'w' : '-';
 894                 psd->str.u.cStr[9] = (pStatStruct->st_mode & S_IXOTH) ? 'x' : '-';
 895                 psd->str.u.cStr[10] = '\0';
 896                 break;
 897             case 2:
 898                 pPasswd = getpwuid(pStatStruct->st_uid);
 899                 if (pPasswd) strcpy(psd->str.u.cStr, pPasswd->pw_name);
 900                 break;
 901             case 3:
 902                 pGroup = getgrgid(pStatStruct->st_gid);
 903                 if (pGroup) strcpy(psd->str.u.cStr, pGroup->gr_name);
 904                 break;
 905             case 4:
 906                 _ILGetFileSize(pidl, psd->str.u.cStr, MAX_PATH);
 907                 break;
 908             case 5:
 909                 _ILGetFileDate(pidl, psd->str.u.cStr, MAX_PATH);
 910                 break;
 911         }
 912     }
 913
 914     return hr;
 915 }
 916
 917 static HRESULT WINAPI UnixFolder_IShellFolder2_MapColumnToSCID(IShellFolder2* iface, UINT iColumn,
 918     SHCOLUMNID *pscid)
 919 {
 920     TRACE("stub\n");
 921     return E_NOTIMPL;
 922 }
 923
 924 /* VTable for UnixFolder's IShellFolder2 interface.
 925  */
 926 static const IShellFolder2Vtbl UnixFolder_IShellFolder2_Vtbl = {
 927     UnixFolder_IShellFolder2_QueryInterface,
 928     UnixFolder_IShellFolder2_AddRef,
 929     UnixFolder_IShellFolder2_Release,
 930     UnixFolder_IShellFolder2_ParseDisplayName,
 931     UnixFolder_IShellFolder2_EnumObjects,
 932     UnixFolder_IShellFolder2_BindToObject,
 933     UnixFolder_IShellFolder2_BindToStorage,
 934     UnixFolder_IShellFolder2_CompareIDs,
 935     UnixFolder_IShellFolder2_CreateViewObject,
 936     UnixFolder_IShellFolder2_GetAttributesOf,
 937     UnixFolder_IShellFolder2_GetUIObjectOf,
 938     UnixFolder_IShellFolder2_GetDisplayNameOf,
 939     UnixFolder_IShellFolder2_SetNameOf,
 940     UnixFolder_IShellFolder2_GetDefaultSearchGUID,
 941     UnixFolder_IShellFolder2_EnumSearches,
 942     UnixFolder_IShellFolder2_GetDefaultColumn,
 943     UnixFolder_IShellFolder2_GetDefaultColumnState,
 944     UnixFolder_IShellFolder2_GetDetailsEx,
 945     UnixFolder_IShellFolder2_GetDetailsOf,
 946     UnixFolder_IShellFolder2_MapColumnToSCID
 947 };
 948
 949 static HRESULT WINAPI UnixFolder_IPersistFolder_QueryInterface(IPersistFolder* This, REFIID riid,
 950     void** ppvObject)
 951 {
 952     return UnixFolder_IShellFolder2_QueryInterface(
 953                 (IShellFolder2*)ADJUST_THIS(UnixFolder, IPersistFolder, This), riid, ppvObject);
 954 }
 955
 956 static ULONG WINAPI UnixFolder_IPersistFolder_AddRef(IPersistFolder* This)
 957 {
 958     return UnixFolder_IShellFolder2_AddRef(
 959                 (IShellFolder2*)ADJUST_THIS(UnixFolder, IPersistFolder, This));
 960 }
 961
 962 static ULONG WINAPI UnixFolder_IPersistFolder_Release(IPersistFolder* This)
 963 {
 964     return UnixFolder_IShellFolder2_Release(
 965                 (IShellFolder2*)ADJUST_THIS(UnixFolder, IPersistFolder, This));
 966 }
 967
 968 static HRESULT WINAPI UnixFolder_IPersistFolder_GetClassID(IPersistFolder* This, CLSID* pClassID)
 969 {
 970     TRACE("stub\n");
 971     return E_NOTIMPL;
 972 }
 973
 974 static HRESULT WINAPI UnixFolder_IPersistFolder_Initialize(IPersistFolder* iface, LPCITEMIDLIST pidl)
 975 {
 976     UnixFolder *This = ADJUST_THIS(UnixFolder, IPersistFolder, iface);
 977
 978     TRACE("(iface=%p, pidl=%p)\n", iface, pidl);
 979
 980     This->m_pidlLocation = ILClone(pidl);
 981     UNIXFS_pidl_to_path(pidl, &This->m_pszPath);
 982     UNIXFS_build_subfolder_pidls(This->m_pszPath, &This->m_apidlSubDirs, &This->m_cSubDirs);
 983
 984     return S_OK;
 985 }
 986
 987 /* VTable for UnixFolder's IPersistFolder interface.
 988  */
 989 static const IPersistFolderVtbl UnixFolder_IPersistFolder_Vtbl = {
 990     UnixFolder_IPersistFolder_QueryInterface,
 991     UnixFolder_IPersistFolder_AddRef,
 992     UnixFolder_IPersistFolder_Release,
 993     UnixFolder_IPersistFolder_GetClassID,
 994     UnixFolder_IPersistFolder_Initialize
 995 };
 996
 997 /******************************************************************************
 998  * UnixFolder_Constructor [Internal]
 999  *
1000  * PARAMS
1001  *  pUnkOuter [I] Outer class for aggregation. Currently ignored.
1002  *  riid      [I] Interface asked for by the client.
1003  *  ppv       [O] Pointer to an riid interface to the UnixFolder object.
1004  *
1005  * NOTES
1006  *  This is the only function exported from shfldr_unixfs.c. It's called from
1007  *  shellole.c's default class factory and thus has to exhibit a LPFNCREATEINSTANCE
1008  *  compatible signature.
1009  */
1010 HRESULT WINAPI UnixFolder_Constructor(IUnknown *pUnkOuter, REFIID riid, LPVOID *ppv) {
1011     HRESULT hr;
1012     UnixFolder *pUnixFolder;
1013
1014     TRACE("(pUnkOuter=%p, riid=%p, ppv=%p)\n", pUnkOuter, riid, ppv);
1015
1016     pUnixFolder = SHAlloc((ULONG)sizeof(UnixFolder));
1017     pUnixFolder->lpIShellFolder2Vtbl = &UnixFolder_IShellFolder2_Vtbl;
1018     pUnixFolder->lpIPersistFolderVtbl = &UnixFolder_IPersistFolder_Vtbl;
1019     pUnixFolder->m_cRef = 0;
1020     pUnixFolder->m_pszPath = NULL;
1021     pUnixFolder->m_apidlSubDirs = NULL;
1022     pUnixFolder->m_cSubDirs = 0;
1023
1024     UnixFolder_IShellFolder2_AddRef(STATIC_CAST(IShellFolder2, pUnixFolder));
1025     hr = UnixFolder_IShellFolder2_QueryInterface(STATIC_CAST(IShellFolder2, pUnixFolder), riid, ppv);
1026     UnixFolder_IShellFolder2_Release(STATIC_CAST(IShellFolder2, pUnixFolder));
1027     return hr;
1028 }
1029
1030 /******************************************************************************
1031  * UnixSubFolderIterator
1032  *
1033  * Class whose heap based objects represent iterators over the sub-directories
1034  * of a given UnixFolder object.
1035  */
1036
1037 /* UnixSubFolderIterator object layout and typedef.
1038  */
1039 typedef struct _UnixSubFolderIterator {
1040     const IEnumIDListVtbl *lpIEnumIDListVtbl;
1041     ULONG m_cRef;
1042     UnixFolder *m_pUnixFolder;
1043     ULONG m_cIdx;
1044     SHCONTF m_fFilter;
1045 } UnixSubFolderIterator;
1046
1047 static void UnixSubFolderIterator_Destroy(UnixSubFolderIterator *iterator) {
1048     TRACE("(iterator=%p)\n", iterator);
1049
1050     UnixFolder_IShellFolder2_Release((IShellFolder2*)iterator->m_pUnixFolder);
1051     SHFree(iterator);
1052 }
1053
1054 static HRESULT WINAPI UnixSubFolderIterator_IEnumIDList_QueryInterface(IEnumIDList* iface,
1055     REFIID riid, void** ppv)
1056 {
1057     TRACE("(iface=%p, riid=%p, ppv=%p)\n", iface, riid, ppv);
1058
1059     if (!ppv) return E_INVALIDARG;
1060
1061     if (IsEqualIID(&IID_IUnknown, riid) || IsEqualIID(&IID_IEnumIDList, riid)) {
1062         *ppv = iface;
1063     } else {
1064         *ppv = NULL;
1065         return E_NOINTERFACE;
1066     }
1067
1068     IEnumIDList_AddRef(iface);
1069     return S_OK;
1070 }
1071
1072 static ULONG WINAPI UnixSubFolderIterator_IEnumIDList_AddRef(IEnumIDList* iface)
1073 {
1074     UnixSubFolderIterator *This = ADJUST_THIS(UnixSubFolderIterator, IEnumIDList, iface);
1075
1076     TRACE("(iface=%p)\n", iface);
1077
1078     return InterlockedIncrement(&This->m_cRef);
1079 }
1080
1081 static ULONG WINAPI UnixSubFolderIterator_IEnumIDList_Release(IEnumIDList* iface)
1082 {
1083     UnixSubFolderIterator *This = ADJUST_THIS(UnixSubFolderIterator, IEnumIDList, iface);
1084     ULONG cRef;
1085
1086     TRACE("(iface=%p)\n", iface);
1087
1088     cRef = InterlockedDecrement(&This->m_cRef);
1089
1090     if (!cRef)
1091         UnixSubFolderIterator_Destroy(This);
1092
1093     return cRef;
1094 }
1095
1096 static HRESULT WINAPI UnixSubFolderIterator_IEnumIDList_Next(IEnumIDList* iface, ULONG celt,
1097     LPITEMIDLIST* rgelt, ULONG* pceltFetched)
1098 {
1099     UnixSubFolderIterator *This = ADJUST_THIS(UnixSubFolderIterator, IEnumIDList, iface);
1100     ULONG i;
1101
1102     TRACE("(iface=%p, celt=%ld, rgelt=%p, pceltFetched=%p)\n", iface, celt, rgelt, pceltFetched);
1103
1104     for (i=0; (i < celt) && (This->m_cIdx < This->m_pUnixFolder->m_cSubDirs); This->m_cIdx++) {
1105         LPITEMIDLIST pCurrent = This->m_pUnixFolder->m_apidlSubDirs[This->m_cIdx];
1106         if (UNIXFS_is_pidl_of_type(pCurrent, This->m_fFilter)) {
1107             rgelt[i] = ILClone(pCurrent);
1108             i++;
1109         }
1110     }
1111
1112     if (pceltFetched)
1113         *pceltFetched = i;
1114
1115     return i == celt ? S_OK : S_FALSE;
1116 }
1117
1118 static HRESULT WINAPI UnixSubFolderIterator_IEnumIDList_Skip(IEnumIDList* iface, ULONG celt)
1119 {
1120     UnixSubFolderIterator *This = ADJUST_THIS(UnixSubFolderIterator, IEnumIDList, iface);
1121     ULONG i;
1122
1123     TRACE("(iface=%p, celt=%ld)\n", iface, celt);
1124
1125     for (i=0; i < celt; i++) {
1126         while (This->m_cIdx < This->m_pUnixFolder->m_cSubDirs &&
1127                !UNIXFS_is_pidl_of_type(This->m_pUnixFolder->m_apidlSubDirs[This->m_cIdx], This->m_fFilter))
1128         {
1129             This->m_cIdx++;
1130         }
1131         This->m_cIdx++;
1132     }
1133
1134     if (This->m_cIdx > This->m_pUnixFolder->m_cSubDirs) {
1135         This->m_cIdx = This->m_pUnixFolder->m_cSubDirs;
1136         return S_FALSE;
1137     } else {
1138         return S_OK;
1139     }
1140 }
1141
1142 static HRESULT WINAPI UnixSubFolderIterator_IEnumIDList_Reset(IEnumIDList* iface)
1143 {
1144     UnixSubFolderIterator *This = ADJUST_THIS(UnixSubFolderIterator, IEnumIDList, iface);
1145
1146     TRACE("(iface=%p)\n", iface);
1147
1148     This->m_cIdx = 0;
1149
1150     return S_OK;
1151 }
1152
1153 static HRESULT WINAPI UnixSubFolderIterator_IEnumIDList_Clone(IEnumIDList* This,
1154     IEnumIDList** ppenum)
1155 {
1156     TRACE("stub\n");
1157     return E_NOTIMPL;
1158 }
1159
1160 /* VTable for UnixSubFolderIterator's IEnumIDList interface.
1161  */
1162 static const IEnumIDListVtbl UnixSubFolderIterator_IEnumIDList_Vtbl = {
1163     UnixSubFolderIterator_IEnumIDList_QueryInterface,
1164     UnixSubFolderIterator_IEnumIDList_AddRef,
1165     UnixSubFolderIterator_IEnumIDList_Release,
1166     UnixSubFolderIterator_IEnumIDList_Next,
1167     UnixSubFolderIterator_IEnumIDList_Skip,
1168     UnixSubFolderIterator_IEnumIDList_Reset,
1169     UnixSubFolderIterator_IEnumIDList_Clone
1170 };
1171
1172 static IUnknown *UnixSubFolderIterator_Construct(UnixFolder *pUnixFolder, SHCONTF fFilter) {
1173     UnixSubFolderIterator *iterator;
1174
1175     TRACE("(pUnixFolder=%p)\n", pUnixFolder);
1176
1177     iterator = SHAlloc((ULONG)sizeof(UnixSubFolderIterator));
1178     iterator->lpIEnumIDListVtbl = &UnixSubFolderIterator_IEnumIDList_Vtbl;
1179     iterator->m_cRef = 0;
1180     iterator->m_cIdx = 0;
1181     iterator->m_pUnixFolder = pUnixFolder;
1182     iterator->m_fFilter = fFilter;
1183
1184     UnixSubFolderIterator_IEnumIDList_AddRef((IEnumIDList*)iterator);
1185     UnixFolder_IShellFolder2_AddRef((IShellFolder2*)pUnixFolder);
1186
1187     return (IUnknown*)iterator;
1188 }