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
  34 #define COBJMACROS
  35 #define NONAMELESSUNION
  36 #define NONAMELESSSTRUCT
  37
  38 #include "windef.h"
  39 #include "winbase.h"
  40 #include "winuser.h"
  41 #include "objbase.h"
  42 #include "winreg.h"
  43 #include "winternl.h"
  44 #include "wine/debug.h"
  45
  46 #include "shell32_main.h"
  47 #include "shfldr.h"
  48 #include "shresdef.h"
  49 #include "pidl.h"
  50
  51 WINE_DEFAULT_DEBUG_CHANNEL(shell);
  52
  53 const GUID CLSID_UnixFolder = {0xcc702eb2, 0x7dc5, 0x11d9, {0xc6, 0x87, 0x00, 0x04, 0x23, 0x8a, 0x01, 0xcd}};
  54
  55 #define ADJUST_THIS(c,m,p) ((c*)(((long)p)-(long)&(((c*)0)->lp##m##Vtbl)))
  56 #define STATIC_CAST(i,p) ((i*)&p->lp##i##Vtbl)
  57
  58 /* FileStruct reserves one byte for szNames, thus we don't have to
  59  * alloc a byte for the terminating '\0' of 'name'. Two of the
  60  * additional bytes are for SHITEMID's cb field. One is for IDLDATA's
  61  * type field. One is for FileStruct's szNames field, to terminate
  62  * the alternate DOS name, which we don't use here. And then there's
  63  * the additional StatStruct.
  64  */
  65 #define SHITEMID_LEN_FROM_NAME_LEN(n) \
  66     (sizeof(USHORT)+sizeof(PIDLTYPE)+sizeof(FileStruct)+(n)+sizeof(char)+sizeof(StatStruct))
  67 #define NAME_LEN_FROM_LPSHITEMID(s) \
  68     (((LPSHITEMID)s)->cb-sizeof(USHORT)-sizeof(PIDLTYPE)-sizeof(FileStruct)-sizeof(char)-sizeof(StatStruct))
  69 #define LPSTATSTRUCT_FROM_LPSHITEMID(s) ((StatStruct*)(((LPBYTE)s)+((LPSHITEMID)s)->cb-sizeof(StatStruct)))
  70
  71 /* This structure is appended to shell32's FileStruct type in IDLs to store unix
  72  * filesystem specific informationen extracted with the stat system call.
  73  */
  74 typedef struct tagStatStruct {
  75     mode_t st_mode;
  76     uid_t  st_uid;
  77     gid_t  st_gid;
  78 } StatStruct;
  79
  80 /******************************************************************************
  81  * UNIXFS_is_pidl_of_type [INTERNAL]
  82  *
  83  * Checks for the first SHITEMID of an ITEMIDLIST if it passes a filter.
  84  *
  85  * PARAMS
  86  *  pIDL    [I] The ITEMIDLIST to be checked.
  87  *  fFilter [I] Shell condition flags, which specify the filter.
  88  *
  89  * RETURNS
  90  *  TRUE, if pIDL is accepted by fFilter
  91  *  FALSE, otherwise
  92  */
  93 static inline BOOL UNIXFS_is_pidl_of_type(LPITEMIDLIST pIDL, SHCONTF fFilter) {
  94     LPSTR pszText = _ILGetTextPointer(pIDL);
  95     if (!pszText) return FALSE;
  96     if (pszText[0] == '.' && !(fFilter & SHCONTF_INCLUDEHIDDEN)) return FALSE;
  97     if (_ILIsFolder(pIDL) && (fFilter & SHCONTF_FOLDERS)) return TRUE;
  98     if (_ILIsValue(pIDL) && (fFilter & SHCONTF_NONFOLDERS)) return TRUE;
  99     return FALSE;
 100 }
 101
 102 /******************************************************************************
 103  * UNIXFS_build_shitemid [Internal]
 104  *
 105  * Constructs a new SHITEMID for a single path item (up to the next '/' or
 106  * '\0') into a buffer. Decorates the SHITEMID with information from a stat
 107  * system call.
 108  *
 109  * PARAMS
 110  *  name   [I] The name of the next path item. Terminated by either '\0' or '/'.
 111  *  pStat  [I] A stat struct variable obtained by a stat system call on the file.
 112  *  buffer [O] SHITEMID will be constructed here.
 113  *
 114  * RETURNS
 115  *  A pointer to the next '/' or '\0' character in name.
 116  *
 117  * NOTES
 118  *  Minimum size of buffer is SHITEMID_LEN_FROM_NAME_LEN(strlen(name)).
 119  *  If what you need is a PIDLLIST with a single SHITEMID, don't forget to append
 120  *  a 0 USHORT value.
 121  */
 122 static char* UNIXFS_build_shitemid(char *name, struct stat *pStat, void *buffer) {
 123     LARGE_INTEGER time;
 124     FILETIME fileTime;
 125     LPPIDLDATA pIDLData;
 126     StatStruct *pStatStruct;
 127     int cNameLen;
 128     char *pSlash;
 129
 130     TRACE("(name=%s, buffer=%p)\n", debugstr_a(name), buffer);
 131
 132     pSlash = strchr(name, '/');
 133     cNameLen = pSlash ? pSlash - name : strlen(name);
 134
 135     memset(buffer, 0, SHITEMID_LEN_FROM_NAME_LEN(cNameLen));
 136     ((LPSHITEMID)buffer)->cb = SHITEMID_LEN_FROM_NAME_LEN(cNameLen) ;
 137
 138     pIDLData = _ILGetDataPointer((LPCITEMIDLIST)buffer);
 139     pIDLData->type = S_ISDIR(pStat->st_mode) ? PT_FOLDER : PT_VALUE;
 140     pIDLData->u.file.dwFileSize = (DWORD)pStat->st_size;
 141     RtlSecondsSince1970ToTime( pStat->st_mtime, &time );
 142     fileTime.dwLowDateTime = time.u.LowPart;
 143     fileTime.dwHighDateTime = time.u.HighPart;
 144     FileTimeToDosDateTime(&fileTime, &pIDLData->u.file.uFileDate, &pIDLData->u.file.uFileTime);
 145     pIDLData->u.file.uFileAttribs = 0;
 146     memcpy(pIDLData->u.file.szNames, name, cNameLen);
 147
 148     pStatStruct = LPSTATSTRUCT_FROM_LPSHITEMID(buffer);
 149     pStatStruct->st_mode = pStat->st_mode;
 150     pStatStruct->st_uid = pStat->st_uid;
 151     pStatStruct->st_gid = pStat->st_gid;
 152
 153     return pSlash ? pSlash+1 : (name + cNameLen);
 154 }
 155
 156 /******************************************************************************
 157  * UNIXFS_path_to_pidl [Internal]
 158  *
 159  * PARAMS
 160  *  path  [I] An absolute unix path
 161  *  ppidl [O] The corresponding ITEMIDLIST. Release with SHFree/ILFree
 162  *
 163  * RETURNS
 164  *  Success: TRUE
 165  *  Failure: FALSE, invalid params, path not absolute or out of memory
 166  *
 167  * NOTES
 168  *  'path' has to be an absolute unix filesystem path starting and
 169  *  ending with a slash ('/'). Currently, only directories (no files)
 170  *  are accepted.
 171  */
 172 static BOOL UNIXFS_path_to_pidl(char *path, LPITEMIDLIST *ppidl) {
 173     LPITEMIDLIST pidl;
 174     struct stat fileStat;
 175     int cSubDirs, cPidlLen;
 176     char *pSlash, swap;
 177
 178     TRACE("path=%s, ppidl=%p", debugstr_a(path), ppidl);
 179
 180     /* Fail, if no absolute path given */
 181     if (!ppidl || !path || path[0] != '/') return FALSE;
 182
 183     /* Count the number of sub-directories in the path */
 184     cSubDirs = 0;
 185     pSlash = path;
 186     while (pSlash) {
 187         cSubDirs++;
 188         pSlash = strchr(pSlash+1, '/');
 189     }
 190
 191     /* Allocate enough memory to hold the path. The -cSubDirs is for the '/'
 192      * characters, which are not stored in the ITEMIDLIST. */
 193     cPidlLen = strlen(path) - cSubDirs + cSubDirs * SHITEMID_LEN_FROM_NAME_LEN(0) + sizeof(USHORT);
 194     *ppidl = pidl = (LPITEMIDLIST)SHAlloc(cPidlLen);
 195     if (!pidl) return FALSE;
 196
 197     /* Concatenate the SHITEMIDs of the sub-directories. */
 198     pSlash = path; /* First character of path is guaranteed to be '/' */
 199     while (*path) {
 200         if (pSlash) {
 201             /* For the stat call, we temporarily replace the char
 202              * after the next '/' with a '\0'. */
 203             swap = pSlash[1];
 204             pSlash[1] = '\0';
 205             if (stat(path, &fileStat)) {
 206                 pSlash[1] = swap;
 207                 return FALSE;
 208             }
 209             pSlash[1] = swap;
 210         } else {
 211             /* We are at the last item in path. */
 212             if (stat(path, &fileStat)) return FALSE;
 213         }
 214
 215         path = UNIXFS_build_shitemid(path, &fileStat, pidl);
 216         pidl = ILGetNext(pidl);
 217         pSlash = strchr(path, '/');
 218     }
 219     pidl->mkid.cb = 0; /* Terminate the ITEMIDLIST */
 220
 221     return TRUE;
 222 }
 223
 224 /******************************************************************************
 225  * UNIXFS_pidl_to_path [Internal]
 226  *
 227  * Construct the unix path that corresponds to a fully qualified ITEMIDLIST
 228  *
 229  * PARAMS
 230  *  pidl [I] ITEMIDLIST that specifies the absolute location of the folder
 231  *  path [O] The corresponding unix path as a zero terminated ascii string
 232  *
 233  * RETURNS
 234  *  Success: TRUE
 235  *  Failure: FALSE, pidl doesn't specify a unix path or out of memory
 236  */
 237 static BOOL UNIXFS_pidl_to_path(LPCITEMIDLIST pidl, PSZ *path) {
 238     LPCITEMIDLIST current = pidl, root;
 239     DWORD dwPathLen;
 240     char *pNextDir;
 241
 242     TRACE("(pidl=%p, path=%p)\n", pidl, path);
 243
 244     *path = NULL;
 245
 246     /* Find the UnixFolderClass root */
 247     while (current->mkid.cb) {
 248         LPPIDLDATA pData = _ILGetDataPointer(current);
 249         if (!pData) return FALSE;
 250         if (pData->type == PT_GUID && IsEqualIID(&CLSID_UnixFolder, &pData->u.guid.guid)) break;
 251         current = ILGetNext(current);
 252     }
 253     if (!current->mkid.cb) return FALSE;
 254     root = ILGetNext(current);
 255
 256     /* Determine the path's length bytes */
 257     dwPathLen = 1; /* For the terminating '\0' */
 258     current = root;
 259     while (current->mkid.cb) {
 260         dwPathLen += NAME_LEN_FROM_LPSHITEMID(current) + 1; /* For the '/' */
 261         current = ILGetNext(current);
 262     };
 263
 264     /* Build the path */
 265     *path = pNextDir = SHAlloc(dwPathLen);
 266     if (!path) {
 267         WARN("SHAlloc failed!\n");
 268         return FALSE;
 269     }
 270     current = root;
 271     while (current->mkid.cb) {
 272         memcpy(pNextDir, _ILGetTextPointer(current), NAME_LEN_FROM_LPSHITEMID(current));
 273         pNextDir += NAME_LEN_FROM_LPSHITEMID(current);
 274         *pNextDir++ = '/';
 275         current = ILGetNext(current);
 276     }
 277     *pNextDir='\0';
 278
 279     TRACE("resulting path: %s\n", *path);
 280     return TRUE;
 281 }
 282
 283 /******************************************************************************
 284  * UNIXFS_build_subfolder_pidls [Internal]
 285  *
 286  * Builds an array of subfolder PIDLs relative to a unix directory
 287  *
 288  * PARAMS
 289  *  path   [I] Name of a unix directory as a zero terminated ascii string
 290  *  apidl  [O] The array of PIDLs
 291  *  pCount [O] Size of apidl
 292  *
 293  * RETURNS
 294  *  Success: TRUE
 295  *  Failure: FALSE, path is not a valid unix directory or out of memory
 296  *
 297  * NOTES
 298  *  The array of PIDLs and each PIDL are allocated with SHAlloc. You'll have
 299  *  to release each PIDL as well as the array itself with SHFree.
 300  */
 301 static BOOL UNIXFS_build_subfolder_pidls(const char *path, LPITEMIDLIST **apidl, DWORD *pCount)
 302 {
 303     struct dirent *pDirEntry;
 304     struct stat fileStat;
 305     DIR *dir;
 306     DWORD cDirEntries, i;
 307     USHORT sLen;
 308     char *pszFQPath;
 309
 310     TRACE("(path=%s, apidl=%p, pCount=%p)\n", debugstr_a(path), apidl, pCount);
 311
 312     *apidl = NULL;
 313     *pCount = 0;
 314
 315     /* Special case for 'My UNIX Filesystem' shell folder:
 316      * The unix root directory is the only child of 'My UNIX Filesystem'.
 317      */
 318     if (!strlen(path)) {
 319         LPSHITEMID pid;
 320
 321         if (stat("/", &fileStat)) return FALSE;
 322         pid = (LPSHITEMID)SHAlloc(SHITEMID_LEN_FROM_NAME_LEN(0)+sizeof(USHORT));
 323         UNIXFS_build_shitemid("", &fileStat, pid);
 324         memset(((PBYTE)pid)+pid->cb, 0, sizeof(USHORT));
 325
 326         *apidl = SHAlloc(sizeof(LPITEMIDLIST));
 327         if (!apidl) {
 328             WARN("SHAlloc failed!\n");
 329             return FALSE;
 330         }
 331         (*apidl)[0] = (LPITEMIDLIST)pid;
 332         *pCount = 1;
 333
 334         return TRUE;
 335     }
 336
 337     dir = opendir(path);
 338     if (!dir) {
 339         WARN("Failed to open directory '%s'.\n", path);
 340         return FALSE;
 341     }
 342
 343     /* Allocate space for fully qualified paths */
 344     pszFQPath = SHAlloc(strlen(path) + NAME_MAX);
 345     if (!pszFQPath) {
 346         WARN("SHAlloc failed!\n");
 347         return FALSE;
 348     }
 349
 350     /* Count number of directory entries. */
 351     for (cDirEntries = 0, pDirEntry = readdir(dir); pDirEntry; pDirEntry = readdir(dir)) {
 352         if (!strcmp(pDirEntry->d_name, ".") || !strcmp(pDirEntry->d_name, "..")) continue;
 353         sprintf(pszFQPath, "%s%s", path, pDirEntry->d_name);
 354         if (!stat(pszFQPath, &fileStat) && (S_ISDIR(fileStat.st_mode) || S_ISREG(fileStat.st_mode))) cDirEntries++;
 355     }
 356
 357     /* If there are no entries, we are done. */
 358     if (cDirEntries == 0) {
 359         closedir(dir);
 360         SHFree(pszFQPath);
 361         return TRUE;
 362     }
 363
 364     /* Allocate the array of PIDLs */
 365     *apidl = SHAlloc(cDirEntries * sizeof(LPITEMIDLIST));
 366     if (!apidl) {
 367         WARN("SHAlloc failed!\n");
 368         return FALSE;
 369     }
 370
 371     /* Allocate and initialize one SHITEMID per sub-directory. */
 372     for (rewinddir(dir), pDirEntry = readdir(dir), i = 0; pDirEntry; pDirEntry = readdir(dir)) {
 373         LPSHITEMID pid;
 374
 375         if (!strcmp(pDirEntry->d_name, ".") || !strcmp(pDirEntry->d_name, "..")) continue;
 376
 377         sprintf(pszFQPath, "%s%s", path, pDirEntry->d_name);
 378         if (stat(pszFQPath, &fileStat)) continue;
 379         if (!S_ISDIR(fileStat.st_mode) && !S_ISREG(fileStat.st_mode)) continue;
 380
 381         sLen = strlen(pDirEntry->d_name);
 382         pid = (LPSHITEMID)SHAlloc(SHITEMID_LEN_FROM_NAME_LEN(sLen)+sizeof(USHORT));
 383         if (!pid) {
 384             WARN("SHAlloc failed!\n");
 385             return FALSE;
 386         }
 387         UNIXFS_build_shitemid(pDirEntry->d_name, &fileStat, pid);
 388         memset(((PBYTE)pid)+pid->cb, 0, sizeof(USHORT));
 389
 390         (*apidl)[i++] = (LPITEMIDLIST)pid;
 391     }
 392
 393     *pCount = i;
 394     closedir(dir);
 395     SHFree(pszFQPath);
 396
 397     return TRUE;
 398 }
 399
 400 /******************************************************************************
 401  * UnixFolderIcon
 402  *
 403  * Singleton class, which is used by the shell to extract icons to represent
 404  * folders in tree- and listviews. Currently, all this singleton does is to
 405  * provide the shell with the absolute path to "shell32.dll" and with the
 406  * indices of the closed and opened folder icons in the resources of this dll.
 407  */
 408
 409 /* UnixFolderIcon object layout and typedef.
 410  */
 411 typedef struct _UnixFolderIcon {
 412     const IExtractIconWVtbl *lpIExtractIconWVtbl;
 413     BOOL bFolder;
 414 } UnixFolderIcon;
 415
 416 static HRESULT WINAPI UnixFolderIcon_IExtractIconW_QueryInterface(IExtractIconW *iface, REFIID riid,
 417     void **ppv)
 418 {
 419     TRACE("(iface=%p, riid=%p, ppv=%p)\n", iface, riid, ppv);
 420
 421     if (!ppv) return E_INVALIDARG;
 422
 423     if (IsEqualIID(&IID_IUnknown, riid) ||
 424         IsEqualIID(&IID_IExtractIconW, riid))
 425     {
 426         *ppv = iface;
 427     } else {
 428         *ppv = NULL;
 429         return E_NOINTERFACE;
 430     }
 431
 432     IExtractIconW_AddRef(iface);
 433     return S_OK;
 434 }
 435
 436 static ULONG WINAPI UnixFolderIcon_IExtractIconW_AddRef(IExtractIconW *iface) {
 437     TRACE("(iface=%p)\n", iface);
 438     return 2;
 439 }
 440
 441 static ULONG WINAPI UnixFolderIcon_IExtractIconW_Release(IExtractIconW *iface) {
 442     TRACE("(iface=%p)\n", iface);
 443     return 1;
 444 }
 445
 446 static HRESULT WINAPI UnixFolderIcon_IExtractIconW_GetIconLocation(IExtractIconW *iface,
 447     UINT uFlags, LPWSTR szIconFile, UINT cchMax, INT* piIndex, UINT* pwFlags)
 448 {
 449     UnixFolderIcon *This = ADJUST_THIS(UnixFolderIcon, IExtractIconW, iface);
 450
 451     TRACE("(iface=%p, uFlags=%u, szIconFile=%s, cchMax=%u, piIndex=%p, pwFlags=%p)\n",
 452             iface, uFlags, debugstr_w(szIconFile), cchMax, piIndex, pwFlags);
 453
 454     lstrcpynW(szIconFile, swShell32Name, cchMax);
 455     if (This->bFolder) {
 456         *piIndex = (uFlags & GIL_OPENICON) ? -IDI_SHELL_FOLDER_OPEN : -IDI_SHELL_FOLDER;
 457     } else {
 458         *piIndex = -IDI_SHELL_DOCUMENT;
 459     }
 460     *pwFlags = 0;
 461
 462     return S_OK;
 463 }
 464
 465 static HRESULT WINAPI UnixFolderIcon_IExtractIconW_Extract(
 466     IExtractIconW *iface, LPCWSTR pszFile, UINT nIconIndex, HICON* phiconLarge, HICON* phiconSmall,
 467     UINT nIconSize)
 468 {
 469     TRACE("(iface=%p, pszFile=%s, nIconIndex=%u, phiconLarge=%p, phiconSmall=%p, nIconSize=%u)"
 470           "stub\n", iface, debugstr_w(pszFile), nIconIndex, phiconLarge, phiconSmall, nIconSize);
 471
 472     return E_NOTIMPL;
 473 }
 474
 475 /* VTable for the IExtractIconW interface of the UnixFolderIcon class.
 476  */
 477 static const IExtractIconWVtbl UnixFolderIcon_IExtractIconW_Vtbl = {
 478     UnixFolderIcon_IExtractIconW_QueryInterface,
 479     UnixFolderIcon_IExtractIconW_AddRef,
 480     UnixFolderIcon_IExtractIconW_Release,
 481     UnixFolderIcon_IExtractIconW_GetIconLocation,
 482     UnixFolderIcon_IExtractIconW_Extract
 483 };
 484
 485 /* The singleton instance
 486  */
 487 UnixFolderIcon UnixFolderIconSingleton = { &UnixFolderIcon_IExtractIconW_Vtbl, TRUE };
 488 UnixFolderIcon UnixDocumentIconSingleton = { &UnixFolderIcon_IExtractIconW_Vtbl, FALSE };
 489
 490 /******************************************************************************
 491  * UnixFolder
 492  *
 493  * Class whose heap based instances represent unix filesystem directories.
 494  */
 495
 496 /* UnixFolder object layout and typedef.
 497  */
 498 typedef struct _UnixFolder {
 499     const IShellFolder2Vtbl  *lpIShellFolder2Vtbl;
 500     const IPersistFolderVtbl *lpIPersistFolderVtbl;
 501     ULONG m_cRef;
 502     CHAR *m_pszPath;
 503     LPITEMIDLIST m_pidlLocation;
 504     LPITEMIDLIST *m_apidlSubDirs;
 505     DWORD m_cSubDirs;
 506 } UnixFolder;
 507
 508 static void UnixFolder_Destroy(UnixFolder *pUnixFolder) {
 509     DWORD i;
 510
 511     TRACE("(pUnixFolder=%p)\n", pUnixFolder);
 512
 513     if (pUnixFolder->m_apidlSubDirs)
 514         for (i=0; i < pUnixFolder->m_cSubDirs; i++)
 515             SHFree(pUnixFolder->m_apidlSubDirs[i]);
 516     SHFree(pUnixFolder->m_apidlSubDirs);
 517     SHFree(pUnixFolder->m_pszPath);
 518     ILFree(pUnixFolder->m_pidlLocation);
 519     SHFree(pUnixFolder);
 520 }
 521
 522 static HRESULT WINAPI UnixFolder_IShellFolder2_QueryInterface(IShellFolder2 *iface, REFIID riid,
 523     void **ppv)
 524 {
 525     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 526
 527     TRACE("(iface=%p, riid=%p, ppv=%p)\n", iface, riid, ppv);
 528
 529     if (!ppv) return E_INVALIDARG;
 530
 531     if (IsEqualIID(&IID_IUnknown, riid) || IsEqualIID(&IID_IShellFolder, riid) ||
 532         IsEqualIID(&IID_IShellFolder2, riid))
 533     {
 534         *ppv = &This->lpIShellFolder2Vtbl;
 535     } else if (IsEqualIID(&IID_IPersistFolder, riid) || IsEqualIID(&IID_IPersist, riid)) {
 536         *ppv = &This->lpIPersistFolderVtbl;
 537     } else {
 538         *ppv = NULL;
 539         return E_NOINTERFACE;
 540     }
 541
 542     IUnknown_AddRef((IUnknown*)*ppv);
 543     return S_OK;
 544 }
 545
 546 static ULONG WINAPI UnixFolder_IShellFolder2_AddRef(IShellFolder2 *iface) {
 547     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 548
 549     TRACE("(iface=%p)\n", iface);
 550
 551     return InterlockedIncrement(&This->m_cRef);
 552 }
 553
 554 static ULONG WINAPI UnixFolder_IShellFolder2_Release(IShellFolder2 *iface) {
 555     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 556     ULONG cRef;
 557
 558     TRACE("(iface=%p)\n", iface);
 559
 560     cRef = InterlockedDecrement(&This->m_cRef);
 561
 562     if (!cRef)
 563         UnixFolder_Destroy(This);
 564
 565     return cRef;
 566 }
 567
 568 static HRESULT WINAPI UnixFolder_IShellFolder2_ParseDisplayName(IShellFolder2* iface, HWND hwndOwner,
 569     LPBC pbcReserved, LPOLESTR lpszDisplayName, ULONG* pchEaten, LPITEMIDLIST* ppidl,
 570     ULONG* pdwAttributes)
 571 {
 572     int cPathLen;
 573     char *pszAnsiPath;
 574     BOOL result;
 575
 576     TRACE("(iface=%p, hwndOwner=%p, pbcReserved=%p, lpszDisplayName=%s, pchEaten=%p, ppidl=%p, "
 577           "pdwAttributes=%p) stub\n", iface, hwndOwner, pbcReserved, debugstr_w(lpszDisplayName),
 578           pchEaten, ppidl, pdwAttributes);
 579
 580     cPathLen = lstrlenW(lpszDisplayName);
 581     pszAnsiPath = (char*)SHAlloc(cPathLen+1);
 582     WideCharToMultiByte(CP_ACP, 0, lpszDisplayName, -1, pszAnsiPath, cPathLen+1, NULL, NULL);
 583
 584     result = UNIXFS_path_to_pidl(pszAnsiPath, ppidl);
 585
 586     SHFree(pszAnsiPath);
 587
 588     return result ? S_OK : E_FAIL;
 589 }
 590
 591 static IUnknown *UnixSubFolderIterator_Construct(UnixFolder *pUnixFolder, SHCONTF fFilter);
 592
 593 static HRESULT WINAPI UnixFolder_IShellFolder2_EnumObjects(IShellFolder2* iface, HWND hwndOwner,
 594     SHCONTF grfFlags, IEnumIDList** ppEnumIDList)
 595 {
 596     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 597     IUnknown *newIterator;
 598     HRESULT hr;
 599
 600     TRACE("(iface=%p, hwndOwner=%p, grfFlags=%08lx, ppEnumIDList=%p)\n",
 601             iface, hwndOwner, grfFlags, ppEnumIDList);
 602
 603     newIterator = UnixSubFolderIterator_Construct(This, grfFlags);
 604     hr = IUnknown_QueryInterface(newIterator, &IID_IEnumIDList, (void**)ppEnumIDList);
 605     IUnknown_Release(newIterator);
 606
 607     return hr;
 608 }
 609
 610 static HRESULT WINAPI UnixFolder_IShellFolder2_BindToObject(IShellFolder2* iface, LPCITEMIDLIST pidl,
 611     LPBC pbcReserved, REFIID riid, void** ppvOut)
 612 {
 613     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 614     IPersistFolder *persistFolder;
 615     LPITEMIDLIST pidlSubFolder;
 616     HRESULT hr;
 617
 618     TRACE("(iface=%p, pidl=%p, pbcReserver=%p, riid=%p, ppvOut=%p)\n",
 619             iface, pidl, pbcReserved, riid, ppvOut);
 620
 621     hr = UnixFolder_Constructor(NULL, &IID_IPersistFolder, (void**)&persistFolder);
 622     if (!SUCCEEDED(hr)) return hr;
 623     hr = IPersistFolder_QueryInterface(persistFolder, riid, (void**)ppvOut);
 624
 625     pidlSubFolder = ILCombine(This->m_pidlLocation, pidl);
 626     IPersistFolder_Initialize(persistFolder, pidlSubFolder);
 627     IPersistFolder_Release(persistFolder);
 628     ILFree(pidlSubFolder);
 629
 630     return hr;
 631 }
 632
 633 static HRESULT WINAPI UnixFolder_IShellFolder2_BindToStorage(IShellFolder2* This, LPCITEMIDLIST pidl,
 634     LPBC pbcReserved, REFIID riid, void** ppvObj)
 635 {
 636     TRACE("stub\n");
 637     return E_NOTIMPL;
 638 }
 639
 640 static HRESULT WINAPI UnixFolder_IShellFolder2_CompareIDs(IShellFolder2* iface, LPARAM lParam,
 641     LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2)
 642 {
 643     BOOL isEmpty1, isEmpty2;
 644     HRESULT hr = E_FAIL;
 645     LPITEMIDLIST firstpidl;
 646     IShellFolder2 *psf;
 647     int compare;
 648
 649     TRACE("(iface=%p, lParam=%ld, pidl1=%p, pidl2=%p)\n", iface, lParam, pidl1, pidl2);
 650
 651     isEmpty1 = !pidl1 || !pidl1->mkid.cb;
 652     isEmpty2 = !pidl2 || !pidl2->mkid.cb;
 653
 654     if (isEmpty1 && isEmpty2)
 655         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, 0);
 656     else if (isEmpty1)
 657         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, (WORD)-1);
 658     else if (isEmpty2)
 659         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, (WORD)1);
 660
 661     if (_ILIsFolder(pidl1) && !_ILIsFolder(pidl2))
 662         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, (WORD)-1);
 663     if (!_ILIsFolder(pidl1) && _ILIsFolder(pidl2))
 664         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, (WORD)1);
 665
 666     compare = CompareStringA(LOCALE_USER_DEFAULT, NORM_IGNORECASE,
 667                              _ILGetTextPointer(pidl1), NAME_LEN_FROM_LPSHITEMID(pidl1),
 668                              _ILGetTextPointer(pidl2), NAME_LEN_FROM_LPSHITEMID(pidl2));
 669
 670     if ((compare == CSTR_LESS_THAN) || (compare == CSTR_GREATER_THAN))
 671         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, (WORD)(compare == CSTR_LESS_THAN)?-1:1);
 672
 673     if (pidl1->mkid.cb < pidl2->mkid.cb)
 674         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, (WORD)-1);
 675     else if (pidl1->mkid.cb > pidl2->mkid.cb)
 676         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, (WORD)1);
 677
 678     firstpidl = ILCloneFirst(pidl1);
 679     pidl1 = ILGetNext(pidl1);
 680     pidl2 = ILGetNext(pidl2);
 681
 682     hr = IShellFolder2_BindToObject(iface, firstpidl, NULL, &IID_IShellFolder, (LPVOID*)&psf);
 683     if (SUCCEEDED(hr)) {
 684         hr = IShellFolder_CompareIDs(psf, lParam, pidl1, pidl2);
 685         IShellFolder2_Release(psf);
 686     }
 687
 688     ILFree(firstpidl);
 689     return hr;
 690 }
 691
 692 static HRESULT WINAPI UnixFolder_IShellFolder2_CreateViewObject(IShellFolder2* iface, HWND hwndOwner,
 693     REFIID riid, void** ppv)
 694 {
 695     HRESULT hr = E_INVALIDARG;
 696
 697     TRACE("(iface=%p, hwndOwner=%p, riid=%p, ppv=%p) stub\n", iface, hwndOwner, riid, ppv);
 698
 699     if (!ppv) return E_INVALIDARG;
 700     *ppv = NULL;
 701
 702     if (IsEqualIID(&IID_IShellView, riid)) {
 703         LPSHELLVIEW pShellView;
 704
 705         pShellView = IShellView_Constructor((IShellFolder*)iface);
 706         if (pShellView) {
 707             hr = IShellView_QueryInterface(pShellView, riid, ppv);
 708             IShellView_Release(pShellView);
 709         }
 710     }
 711
 712     return hr;
 713 }
 714
 715 static HRESULT WINAPI UnixFolder_IShellFolder2_GetAttributesOf(IShellFolder2* iface, UINT cidl,
 716     LPCITEMIDLIST* apidl, SFGAOF* rgfInOut)
 717 {
 718     UINT i;
 719     SFGAOF flags= ~(SFGAOF)0;
 720
 721     TRACE("(iface=%p, cidl=%u, apidl=%p, rgfInOut=%p) semi-stub\n", iface, cidl, apidl, rgfInOut);
 722
 723     for (i=0; i<cidl; i++) {
 724         LPPIDLDATA pData = _ILGetDataPointer(apidl[i]);
 725         if (!pData) continue;
 726         if (pData->type == PT_FOLDER) flags &= (SFGAO_FILESYSTEM|SFGAO_FOLDER|SFGAO_HASSUBFOLDER);
 727         if (pData->type == PT_VALUE) flags &= SFGAO_FILESYSTEM;
 728     }
 729
 730     *rgfInOut = *rgfInOut & flags;
 731
 732     return S_OK;
 733 }
 734
 735 static HRESULT WINAPI UnixFolder_IShellFolder2_GetUIObjectOf(IShellFolder2* iface, HWND hwndOwner,
 736     UINT cidl, LPCITEMIDLIST* apidl, REFIID riid, UINT* prgfInOut, void** ppvOut)
 737 {
 738     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 739
 740     TRACE("(iface=%p, hwndOwner=%p, cidl=%d, apidl=%p, riid=%s, prgfInOut=%p, ppv=%p)\n",
 741         iface, hwndOwner, cidl, apidl, debugstr_guid(riid), prgfInOut, ppvOut);
 742
 743     if (IsEqualIID(&IID_IContextMenu, riid)) {
 744         *ppvOut = ISvItemCm_Constructor((IShellFolder*)iface, This->m_pidlLocation, apidl, cidl);
 745         return S_OK;
 746     } else if (IsEqualIID(&IID_IDataObject, riid)) {
 747         *ppvOut = IDataObject_Constructor(hwndOwner, This->m_pidlLocation, apidl, cidl);
 748         return S_OK;
 749     } else if (IsEqualIID(&IID_IExtractIconA, riid)) {
 750         FIXME("IExtractIconA\n");
 751         return E_FAIL;
 752     } else if (IsEqualIID(&IID_IExtractIconW, riid)) {
 753         if (cidl != 1) return E_FAIL;
 754         if (_ILIsFolder(apidl[0]))
 755             *ppvOut = &UnixFolderIconSingleton;
 756         else
 757             *ppvOut = &UnixDocumentIconSingleton;
 758         return S_OK;
 759     } else if (IsEqualIID(&IID_IDropTarget, riid)) {
 760         FIXME("IDropTarget\n");
 761         return E_FAIL;
 762     } else if (IsEqualIID(&IID_IShellLinkW, riid)) {
 763         FIXME("IShellLinkW\n");
 764         return E_FAIL;
 765     } else if (IsEqualIID(&IID_IShellLinkA, riid)) {
 766         FIXME("IShellLinkA\n");
 767         return E_FAIL;
 768     } else {
 769         FIXME("Unknown interface %s in GetUIObjectOf\n", debugstr_guid(riid));
 770         return E_NOINTERFACE;
 771     }
 772 }
 773
 774 static HRESULT WINAPI UnixFolder_IShellFolder2_GetDisplayNameOf(IShellFolder2* iface,
 775     LPCITEMIDLIST pidl, SHGDNF uFlags, STRRET* lpName)
 776 {
 777     char *pszFileName;
 778
 779     TRACE("(iface=%p, pidl=%p, uFlags=%lx, lpName=%p)\n", iface, pidl, uFlags, lpName);
 780
 781     lpName->uType = STRRET_CSTR;
 782     if (!pidl->mkid.cb) {
 783         strcpy(lpName->u.cStr, "");
 784         return S_OK;
 785     }
 786
 787     pszFileName = _ILGetTextPointer(pidl);
 788
 789     if ((uFlags & SHGDN_FORPARSING) && !(uFlags & SHGDN_INFOLDER)) {
 790         STRRET strSubfolderName;
 791         IShellFolder *pSubFolder;
 792         HRESULT hr;
 793         LPITEMIDLIST pidlFirst;
 794
 795         pidlFirst = ILCloneFirst(pidl);
 796         if (!pidlFirst) {
 797             WARN("ILCloneFirst failed!\n");
 798             return E_FAIL;
 799         }
 800
 801         hr = IShellFolder_BindToObject(iface, pidlFirst, NULL, &IID_IShellFolder,
 802                                        (void**)&pSubFolder);
 803         if (!SUCCEEDED(hr)) {
 804             WARN("BindToObject failed!\n");
 805             ILFree(pidlFirst);
 806             return hr;
 807         }
 808
 809         ILFree(pidlFirst);
 810
 811         hr = IShellFolder_GetDisplayNameOf(pSubFolder, ILGetNext(pidl), uFlags, &strSubfolderName);
 812         if (!SUCCEEDED(hr)) {
 813             WARN("GetDisplayNameOf failed!\n");
 814             return hr;
 815         }
 816
 817         snprintf(lpName->u.cStr, MAX_PATH, "%s/%s", pszFileName, strSubfolderName.u.cStr);
 818
 819         IShellFolder_Release(pSubFolder);
 820     } else {
 821         strcpy(lpName->u.cStr, *pszFileName ? pszFileName : "/");
 822     }
 823
 824     return S_OK;
 825 }
 826
 827 static HRESULT WINAPI UnixFolder_IShellFolder2_SetNameOf(IShellFolder2* This, HWND hwnd,
 828     LPCITEMIDLIST pidl, LPCOLESTR lpszName, SHGDNF uFlags, LPITEMIDLIST* ppidlOut)
 829 {
 830     TRACE("stub\n");
 831     return E_NOTIMPL;
 832 }
 833
 834 static HRESULT WINAPI UnixFolder_IShellFolder2_EnumSearches(IShellFolder2* iface,
 835     IEnumExtraSearch **ppEnum)
 836 {
 837     TRACE("stub\n");
 838     return E_NOTIMPL;
 839 }
 840
 841 static HRESULT WINAPI UnixFolder_IShellFolder2_GetDefaultColumn(IShellFolder2* iface,
 842     DWORD dwReserved, ULONG *pSort, ULONG *pDisplay)
 843 {
 844     TRACE("stub\n");
 845     return E_NOTIMPL;
 846 }
 847
 848 static HRESULT WINAPI UnixFolder_IShellFolder2_GetDefaultColumnState(IShellFolder2* iface,
 849     UINT iColumn, SHCOLSTATEF *pcsFlags)
 850 {
 851     TRACE("stub\n");
 852     return E_NOTIMPL;
 853 }
 854
 855 static HRESULT WINAPI UnixFolder_IShellFolder2_GetDefaultSearchGUID(IShellFolder2* iface,
 856     GUID *pguid)
 857 {
 858     TRACE("stub\n");
 859     return E_NOTIMPL;
 860 }
 861
 862 static HRESULT WINAPI UnixFolder_IShellFolder2_GetDetailsEx(IShellFolder2* iface,
 863     LPCITEMIDLIST pidl, const SHCOLUMNID *pscid, VARIANT *pv)
 864 {
 865     TRACE("stub\n");
 866     return E_NOTIMPL;
 867 }
 868
 869 #define SHELLVIEWCOLUMNS 6
 870
 871 static HRESULT WINAPI UnixFolder_IShellFolder2_GetDetailsOf(IShellFolder2* iface,
 872     LPCITEMIDLIST pidl, UINT iColumn, SHELLDETAILS *psd)
 873 {
 874     HRESULT hr = E_FAIL;
 875     struct passwd *pPasswd;
 876     struct group *pGroup;
 877     static const shvheader SFHeader[SHELLVIEWCOLUMNS] = {
 878         {IDS_SHV_COLUMN1,  SHCOLSTATE_TYPE_STR  | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 15},
 879         {IDS_SHV_COLUMN5,  SHCOLSTATE_TYPE_STR  | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 10},
 880         {IDS_SHV_COLUMN10, SHCOLSTATE_TYPE_STR  | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 7},
 881         {IDS_SHV_COLUMN11, SHCOLSTATE_TYPE_STR  | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 7},
 882         {IDS_SHV_COLUMN2,  SHCOLSTATE_TYPE_STR  | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 8},
 883         {IDS_SHV_COLUMN4,  SHCOLSTATE_TYPE_DATE | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 10}
 884     };
 885
 886     TRACE("(iface=%p, pidl=%p, iColumn=%d, psd=%p) stub\n", iface, pidl, iColumn, psd);
 887
 888     if (!psd || iColumn >= SHELLVIEWCOLUMNS)
 889         return E_INVALIDARG;
 890
 891     if (!pidl) {
 892         psd->fmt = SFHeader[iColumn].fmt;
 893         psd->cxChar = SFHeader[iColumn].cxChar;
 894         psd->str.uType = STRRET_CSTR;
 895         LoadStringA(shell32_hInstance, SFHeader[iColumn].colnameid, psd->str.u.cStr, MAX_PATH);
 896         return S_OK;
 897     } else {
 898         StatStruct *pStatStruct = LPSTATSTRUCT_FROM_LPSHITEMID(pidl);
 899         psd->str.u.cStr[0] = '\0';
 900         psd->str.uType = STRRET_CSTR;
 901         switch (iColumn) {
 902             case 0:
 903                 hr = IShellFolder2_GetDisplayNameOf(iface, pidl, SHGDN_NORMAL|SHGDN_INFOLDER, &psd->str);
 904                 break;
 905             case 1:
 906                 psd->str.u.cStr[0] = S_ISDIR(pStatStruct->st_mode) ? 'd' : '-';
 907                 psd->str.u.cStr[1] = (pStatStruct->st_mode & S_IRUSR) ? 'r' : '-';
 908                 psd->str.u.cStr[2] = (pStatStruct->st_mode & S_IWUSR) ? 'w' : '-';
 909                 psd->str.u.cStr[3] = (pStatStruct->st_mode & S_IXUSR) ? 'x' : '-';
 910                 psd->str.u.cStr[4] = (pStatStruct->st_mode & S_IRGRP) ? 'r' : '-';
 911                 psd->str.u.cStr[5] = (pStatStruct->st_mode & S_IWGRP) ? 'w' : '-';
 912                 psd->str.u.cStr[6] = (pStatStruct->st_mode & S_IXGRP) ? 'x' : '-';
 913                 psd->str.u.cStr[7] = (pStatStruct->st_mode & S_IROTH) ? 'r' : '-';
 914                 psd->str.u.cStr[8] = (pStatStruct->st_mode & S_IWOTH) ? 'w' : '-';
 915                 psd->str.u.cStr[9] = (pStatStruct->st_mode & S_IXOTH) ? 'x' : '-';
 916                 psd->str.u.cStr[10] = '\0';
 917                 break;
 918             case 2:
 919                 pPasswd = getpwuid(pStatStruct->st_uid);
 920                 if (pPasswd) strcpy(psd->str.u.cStr, pPasswd->pw_name);
 921                 break;
 922             case 3:
 923                 pGroup = getgrgid(pStatStruct->st_gid);
 924                 if (pGroup) strcpy(psd->str.u.cStr, pGroup->gr_name);
 925                 break;
 926             case 4:
 927                 _ILGetFileSize(pidl, psd->str.u.cStr, MAX_PATH);
 928                 break;
 929             case 5:
 930                 _ILGetFileDate(pidl, psd->str.u.cStr, MAX_PATH);
 931                 break;
 932         }
 933     }
 934
 935     return hr;
 936 }
 937
 938 static HRESULT WINAPI UnixFolder_IShellFolder2_MapColumnToSCID(IShellFolder2* iface, UINT iColumn,
 939     SHCOLUMNID *pscid)
 940 {
 941     TRACE("stub\n");
 942     return E_NOTIMPL;
 943 }
 944
 945 /* VTable for UnixFolder's IShellFolder2 interface.
 946  */
 947 static const IShellFolder2Vtbl UnixFolder_IShellFolder2_Vtbl = {
 948     UnixFolder_IShellFolder2_QueryInterface,
 949     UnixFolder_IShellFolder2_AddRef,
 950     UnixFolder_IShellFolder2_Release,
 951     UnixFolder_IShellFolder2_ParseDisplayName,
 952     UnixFolder_IShellFolder2_EnumObjects,
 953     UnixFolder_IShellFolder2_BindToObject,
 954     UnixFolder_IShellFolder2_BindToStorage,
 955     UnixFolder_IShellFolder2_CompareIDs,
 956     UnixFolder_IShellFolder2_CreateViewObject,
 957     UnixFolder_IShellFolder2_GetAttributesOf,
 958     UnixFolder_IShellFolder2_GetUIObjectOf,
 959     UnixFolder_IShellFolder2_GetDisplayNameOf,
 960     UnixFolder_IShellFolder2_SetNameOf,
 961     UnixFolder_IShellFolder2_GetDefaultSearchGUID,
 962     UnixFolder_IShellFolder2_EnumSearches,
 963     UnixFolder_IShellFolder2_GetDefaultColumn,
 964     UnixFolder_IShellFolder2_GetDefaultColumnState,
 965     UnixFolder_IShellFolder2_GetDetailsEx,
 966     UnixFolder_IShellFolder2_GetDetailsOf,
 967     UnixFolder_IShellFolder2_MapColumnToSCID
 968 };
 969
 970 static HRESULT WINAPI UnixFolder_IPersistFolder_QueryInterface(IPersistFolder* This, REFIID riid,
 971     void** ppvObject)
 972 {
 973     return UnixFolder_IShellFolder2_QueryInterface(
 974                 (IShellFolder2*)ADJUST_THIS(UnixFolder, IPersistFolder, This), riid, ppvObject);
 975 }
 976
 977 static ULONG WINAPI UnixFolder_IPersistFolder_AddRef(IPersistFolder* This)
 978 {
 979     return UnixFolder_IShellFolder2_AddRef(
 980                 (IShellFolder2*)ADJUST_THIS(UnixFolder, IPersistFolder, This));
 981 }
 982
 983 static ULONG WINAPI UnixFolder_IPersistFolder_Release(IPersistFolder* This)
 984 {
 985     return UnixFolder_IShellFolder2_Release(
 986                 (IShellFolder2*)ADJUST_THIS(UnixFolder, IPersistFolder, This));
 987 }
 988
 989 static HRESULT WINAPI UnixFolder_IPersistFolder_GetClassID(IPersistFolder* This, CLSID* pClassID)
 990 {
 991     TRACE("stub\n");
 992     return E_NOTIMPL;
 993 }
 994
 995 static HRESULT WINAPI UnixFolder_IPersistFolder_Initialize(IPersistFolder* iface, LPCITEMIDLIST pidl)
 996 {
 997     UnixFolder *This = ADJUST_THIS(UnixFolder, IPersistFolder, iface);
 998
 999     TRACE("(iface=%p, pidl=%p)\n", iface, pidl);
1000
1001     This->m_pidlLocation = ILClone(pidl);
1002     UNIXFS_pidl_to_path(pidl, &This->m_pszPath);
1003     UNIXFS_build_subfolder_pidls(This->m_pszPath, &This->m_apidlSubDirs, &This->m_cSubDirs);
1004
1005     return S_OK;
1006 }
1007
1008 /* VTable for UnixFolder's IPersistFolder interface.
1009  */
1010 static const IPersistFolderVtbl UnixFolder_IPersistFolder_Vtbl = {
1011     UnixFolder_IPersistFolder_QueryInterface,
1012     UnixFolder_IPersistFolder_AddRef,
1013     UnixFolder_IPersistFolder_Release,
1014     UnixFolder_IPersistFolder_GetClassID,
1015     UnixFolder_IPersistFolder_Initialize
1016 };
1017
1018 /******************************************************************************
1019  * UnixFolder_Constructor [Internal]
1020  *
1021  * PARAMS
1022  *  pUnkOuter [I] Outer class for aggregation. Currently ignored.
1023  *  riid      [I] Interface asked for by the client.
1024  *  ppv       [O] Pointer to an riid interface to the UnixFolder object.
1025  *
1026  * NOTES
1027  *  This is the only function exported from shfldr_unixfs.c. It's called from
1028  *  shellole.c's default class factory and thus has to exhibit a LPFNCREATEINSTANCE
1029  *  compatible signature.
1030  */
1031 HRESULT WINAPI UnixFolder_Constructor(IUnknown *pUnkOuter, REFIID riid, LPVOID *ppv) {
1032     HRESULT hr;
1033     UnixFolder *pUnixFolder;
1034
1035     TRACE("(pUnkOuter=%p, riid=%p, ppv=%p)\n", pUnkOuter, riid, ppv);
1036
1037     pUnixFolder = SHAlloc((ULONG)sizeof(UnixFolder));
1038     pUnixFolder->lpIShellFolder2Vtbl = &UnixFolder_IShellFolder2_Vtbl;
1039     pUnixFolder->lpIPersistFolderVtbl = &UnixFolder_IPersistFolder_Vtbl;
1040     pUnixFolder->m_cRef = 0;
1041     pUnixFolder->m_pszPath = NULL;
1042     pUnixFolder->m_apidlSubDirs = NULL;
1043     pUnixFolder->m_cSubDirs = 0;
1044
1045     UnixFolder_IShellFolder2_AddRef(STATIC_CAST(IShellFolder2, pUnixFolder));
1046     hr = UnixFolder_IShellFolder2_QueryInterface(STATIC_CAST(IShellFolder2, pUnixFolder), riid, ppv);
1047     UnixFolder_IShellFolder2_Release(STATIC_CAST(IShellFolder2, pUnixFolder));
1048     return hr;
1049 }
1050
1051 /******************************************************************************
1052  * UnixSubFolderIterator
1053  *
1054  * Class whose heap based objects represent iterators over the sub-directories
1055  * of a given UnixFolder object.
1056  */
1057
1058 /* UnixSubFolderIterator object layout and typedef.
1059  */
1060 typedef struct _UnixSubFolderIterator {
1061     const IEnumIDListVtbl *lpIEnumIDListVtbl;
1062     ULONG m_cRef;
1063     UnixFolder *m_pUnixFolder;
1064     ULONG m_cIdx;
1065     SHCONTF m_fFilter;
1066 } UnixSubFolderIterator;
1067
1068 static void UnixSubFolderIterator_Destroy(UnixSubFolderIterator *iterator) {
1069     TRACE("(iterator=%p)\n", iterator);
1070
1071     UnixFolder_IShellFolder2_Release((IShellFolder2*)iterator->m_pUnixFolder);
1072     SHFree(iterator);
1073 }
1074
1075 static HRESULT WINAPI UnixSubFolderIterator_IEnumIDList_QueryInterface(IEnumIDList* iface,
1076     REFIID riid, void** ppv)
1077 {
1078     TRACE("(iface=%p, riid=%p, ppv=%p)\n", iface, riid, ppv);
1079
1080     if (!ppv) return E_INVALIDARG;
1081
1082     if (IsEqualIID(&IID_IUnknown, riid) || IsEqualIID(&IID_IEnumIDList, riid)) {
1083         *ppv = iface;
1084     } else {
1085         *ppv = NULL;
1086         return E_NOINTERFACE;
1087     }
1088
1089     IEnumIDList_AddRef(iface);
1090     return S_OK;
1091 }
1092
1093 static ULONG WINAPI UnixSubFolderIterator_IEnumIDList_AddRef(IEnumIDList* iface)
1094 {
1095     UnixSubFolderIterator *This = ADJUST_THIS(UnixSubFolderIterator, IEnumIDList, iface);
1096
1097     TRACE("(iface=%p)\n", iface);
1098
1099     return InterlockedIncrement(&This->m_cRef);
1100 }
1101
1102 static ULONG WINAPI UnixSubFolderIterator_IEnumIDList_Release(IEnumIDList* iface)
1103 {
1104     UnixSubFolderIterator *This = ADJUST_THIS(UnixSubFolderIterator, IEnumIDList, iface);
1105     ULONG cRef;
1106
1107     TRACE("(iface=%p)\n", iface);
1108
1109     cRef = InterlockedDecrement(&This->m_cRef);
1110
1111     if (!cRef)
1112         UnixSubFolderIterator_Destroy(This);
1113
1114     return cRef;
1115 }
1116
1117 static HRESULT WINAPI UnixSubFolderIterator_IEnumIDList_Next(IEnumIDList* iface, ULONG celt,
1118     LPITEMIDLIST* rgelt, ULONG* pceltFetched)
1119 {
1120     UnixSubFolderIterator *This = ADJUST_THIS(UnixSubFolderIterator, IEnumIDList, iface);
1121     ULONG i;
1122
1123     TRACE("(iface=%p, celt=%ld, rgelt=%p, pceltFetched=%p)\n", iface, celt, rgelt, pceltFetched);
1124
1125     for (i=0; (i < celt) && (This->m_cIdx < This->m_pUnixFolder->m_cSubDirs); This->m_cIdx++) {
1126         LPITEMIDLIST pCurrent = This->m_pUnixFolder->m_apidlSubDirs[This->m_cIdx];
1127         if (UNIXFS_is_pidl_of_type(pCurrent, This->m_fFilter)) {
1128             rgelt[i] = ILClone(pCurrent);
1129             i++;
1130         }
1131     }
1132
1133     if (pceltFetched)
1134         *pceltFetched = i;
1135
1136     return i == celt ? S_OK : S_FALSE;
1137 }
1138
1139 static HRESULT WINAPI UnixSubFolderIterator_IEnumIDList_Skip(IEnumIDList* iface, ULONG celt)
1140 {
1141     UnixSubFolderIterator *This = ADJUST_THIS(UnixSubFolderIterator, IEnumIDList, iface);
1142     ULONG i;
1143
1144     TRACE("(iface=%p, celt=%ld)\n", iface, celt);
1145
1146     for (i=0; i < celt; i++) {
1147         while (This->m_cIdx < This->m_pUnixFolder->m_cSubDirs &&
1148                !UNIXFS_is_pidl_of_type(This->m_pUnixFolder->m_apidlSubDirs[This->m_cIdx], This->m_fFilter))
1149         {
1150             This->m_cIdx++;
1151         }
1152         This->m_cIdx++;
1153     }
1154
1155     if (This->m_cIdx > This->m_pUnixFolder->m_cSubDirs) {
1156         This->m_cIdx = This->m_pUnixFolder->m_cSubDirs;
1157         return S_FALSE;
1158     } else {
1159         return S_OK;
1160     }
1161 }
1162
1163 static HRESULT WINAPI UnixSubFolderIterator_IEnumIDList_Reset(IEnumIDList* iface)
1164 {
1165     UnixSubFolderIterator *This = ADJUST_THIS(UnixSubFolderIterator, IEnumIDList, iface);
1166
1167     TRACE("(iface=%p)\n", iface);
1168
1169     This->m_cIdx = 0;
1170
1171     return S_OK;
1172 }
1173
1174 static HRESULT WINAPI UnixSubFolderIterator_IEnumIDList_Clone(IEnumIDList* This,
1175     IEnumIDList** ppenum)
1176 {
1177     TRACE("stub\n");
1178     return E_NOTIMPL;
1179 }
1180
1181 /* VTable for UnixSubFolderIterator's IEnumIDList interface.
1182  */
1183 static const IEnumIDListVtbl UnixSubFolderIterator_IEnumIDList_Vtbl = {
1184     UnixSubFolderIterator_IEnumIDList_QueryInterface,
1185     UnixSubFolderIterator_IEnumIDList_AddRef,
1186     UnixSubFolderIterator_IEnumIDList_Release,
1187     UnixSubFolderIterator_IEnumIDList_Next,
1188     UnixSubFolderIterator_IEnumIDList_Skip,
1189     UnixSubFolderIterator_IEnumIDList_Reset,
1190     UnixSubFolderIterator_IEnumIDList_Clone
1191 };
1192
1193 static IUnknown *UnixSubFolderIterator_Construct(UnixFolder *pUnixFolder, SHCONTF fFilter) {
1194     UnixSubFolderIterator *iterator;
1195
1196     TRACE("(pUnixFolder=%p)\n", pUnixFolder);
1197
1198     iterator = SHAlloc((ULONG)sizeof(UnixSubFolderIterator));
1199     iterator->lpIEnumIDListVtbl = &UnixSubFolderIterator_IEnumIDList_Vtbl;
1200     iterator->m_cRef = 0;
1201     iterator->m_cIdx = 0;
1202     iterator->m_pUnixFolder = pUnixFolder;
1203     iterator->m_fFilter = fFilter;
1204
1205     UnixSubFolderIterator_IEnumIDList_AddRef((IEnumIDList*)iterator);
1206     UnixFolder_IShellFolder2_AddRef((IShellFolder2*)pUnixFolder);
1207
1208     return (IUnknown*)iterator;
1209 }