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_UNISTD_H
  27 # include <unistd.h>
  28 #endif
  29 #ifdef HAVE_SYS_STAT_H
  30 # include <sys/stat.h>
  31 #endif
  32 #ifdef HAVE_PWD_H
  33 # include <pwd.h>
  34 #endif
  35 #include <grp.h>
  36 #include <limits.h>
  37
  38 #define COBJMACROS
  39 #define NONAMELESSUNION
  40 #define NONAMELESSSTRUCT
  41
  42 #include "windef.h"
  43 #include "winbase.h"
  44 #include "winuser.h"
  45 #include "objbase.h"
  46 #include "winreg.h"
  47 #include "shlwapi.h"
  48 #include "winternl.h"
  49 #include "wine/debug.h"
  50
  51 #include "shell32_main.h"
  52 #include "shfldr.h"
  53 #include "shresdef.h"
  54 #include "pidl.h"
  55
  56 WINE_DEFAULT_DEBUG_CHANNEL(shell);
  57
  58 const GUID CLSID_UnixFolder = {0xcc702eb2, 0x7dc5, 0x11d9, {0xc6, 0x87, 0x00, 0x04, 0x23, 0x8a, 0x01, 0xcd}};
  59 const GUID CLSID_UnixDosFolder = {0x9d20aae8, 0x0625, 0x44b0, {0x9c, 0xa7, 0x71, 0x88, 0x9c, 0x22, 0x54, 0xd9}};
  60
  61 #define ADJUST_THIS(c,m,p) ((c*)(((long)p)-(long)&(((c*)0)->lp##m##Vtbl)))
  62 #define STATIC_CAST(i,p) ((i*)&p->lp##i##Vtbl)
  63
  64 /* FileStruct reserves one byte for szNames, thus we don't have to
  65  * alloc a byte for the terminating '\0' of 'name'. Two of the
  66  * additional bytes are for SHITEMID's cb field. One is for IDLDATA's
  67  * type field. One is for FileStruct's szNames field, to terminate
  68  * the alternate DOS name, which we don't use here. And then there's
  69  * the additional StatStruct.
  70  */
  71 #define SHITEMID_LEN_FROM_NAME_LEN(n) \
  72     (sizeof(USHORT)+sizeof(PIDLTYPE)+sizeof(FileStruct)+(n)+sizeof(char)+sizeof(StatStruct))
  73 #define NAME_LEN_FROM_LPSHITEMID(s) \
  74     (((LPSHITEMID)s)->cb-sizeof(USHORT)-sizeof(PIDLTYPE)-sizeof(FileStruct)-sizeof(char)-sizeof(StatStruct))
  75 #define LPSTATSTRUCT_FROM_LPSHITEMID(s) \
  76     (((s) && (((LPSHITEMID)s)->cb > SHITEMID_LEN_FROM_NAME_LEN(0))) ? \
  77      ((StatStruct*)(((LPBYTE)s)+((LPSHITEMID)s)->cb-sizeof(StatStruct))) : \
  78      (NULL))
  79
  80 #define PATHMODE_UNIX 0
  81 #define PATHMODE_DOS  1
  82
  83 /* This structure is appended to shell32's FileStruct type in IDLs to store unix
  84  * filesystem specific informationen extracted with the stat system call.
  85  */
  86 typedef struct tagStatStruct {
  87     mode_t st_mode;
  88     uid_t  st_uid;
  89     gid_t  st_gid;
  90     SFGAOF sfAttr;
  91 } StatStruct;
  92
  93 /* UnixFolder object layout and typedef.
  94  */
  95 typedef struct _UnixFolder {
  96     const IShellFolder2Vtbl  *lpIShellFolder2Vtbl;
  97     const IPersistFolder2Vtbl *lpIPersistFolder2Vtbl;
  98     ULONG m_cRef;
  99     CHAR *m_pszPath;
 100     LPITEMIDLIST m_pidlLocation;
 101     LPITEMIDLIST *m_apidlSubDirs;
 102     DWORD m_cSubDirs;
 103     DWORD m_dwPathMode;
 104 } UnixFolder;
 105
 106 /******************************************************************************
 107  * UNIXFS_is_pidl_of_type [INTERNAL]
 108  *
 109  * Checks for the first SHITEMID of an ITEMIDLIST if it passes a filter.
 110  *
 111  * PARAMS
 112  *  pIDL    [I] The ITEMIDLIST to be checked.
 113  *  fFilter [I] Shell condition flags, which specify the filter.
 114  *
 115  * RETURNS
 116  *  TRUE, if pIDL is accepted by fFilter
 117  *  FALSE, otherwise
 118  */
 119 static inline BOOL UNIXFS_is_pidl_of_type(LPITEMIDLIST pIDL, SHCONTF fFilter) {
 120     LPPIDLDATA pIDLData = _ILGetDataPointer(pIDL);
 121     if (!(fFilter & SHCONTF_INCLUDEHIDDEN) && pIDLData &&
 122         (pIDLData->u.file.uFileAttribs & FILE_ATTRIBUTE_HIDDEN))
 123     {
 124         return FALSE;
 125     }
 126     if (_ILIsFolder(pIDL) && (fFilter & SHCONTF_FOLDERS)) return TRUE;
 127     if (_ILIsValue(pIDL) && (fFilter & SHCONTF_NONFOLDERS)) return TRUE;
 128     return FALSE;
 129 }
 130
 131 /******************************************************************************
 132  * UNIXFS_get_unix_path [Internal]
 133  *
 134  * Convert an absolute dos path to an absolute canonicalized unix path.
 135  * Evaluate "/.", "/.." and symbolic links.
 136  *
 137  * PARAMS
 138  *  pszDosPath       [I] An absolute dos path
 139  *  pszCanonicalPath [O] Buffer of length FILENAME_MAX. Will receive the canonical path.
 140  *
 141  * RETURNS
 142  *  Success, TRUE
 143  *  Failure, FALSE - Path not existent, too long, insufficient rights, to many symlinks
 144  */
 145 static BOOL UNIXFS_get_unix_path(LPCWSTR pszDosPath, char *pszCanonicalPath)
 146 {
 147     char *pPathTail, *pElement, *pCanonicalTail, szPath[FILENAME_MAX], *pszUnixPath;
 148     struct stat fileStat;
 149
 150     TRACE("(pszDosPath=%s, pszCanonicalPath=%p)\n", debugstr_w(pszDosPath), pszCanonicalPath);
 151
 152     if (!pszDosPath || pszDosPath[1] != ':')
 153         return FALSE;
 154
 155     pszUnixPath = wine_get_unix_file_name(pszDosPath);
 156     if (!pszUnixPath) return FALSE;
 157     strcpy(szPath, pszUnixPath);
 158     HeapFree(GetProcessHeap(), 0, pszUnixPath);
 159
 160     /* pCanonicalTail always points to the end of the canonical path constructed
 161      * thus far. pPathTail points to the still to be processed part of the input
 162      * path. pElement points to the path element currently investigated.
 163      */
 164     *pszCanonicalPath = '\0';
 165     pCanonicalTail = pszCanonicalPath;
 166     pPathTail = szPath;
 167
 168     do {
 169         char cTemp;
 170         int cLinks = 0;
 171
 172         pElement = pPathTail;
 173         pPathTail = strchr(pPathTail+1, '/');
 174         if (!pPathTail) /* Last path element may not be terminated by '/'. */
 175             pPathTail = pElement + strlen(pElement);
 176         /* Temporarily terminate the current path element. Will be restored later. */
 177         cTemp = *pPathTail;
 178         *pPathTail = '\0';
 179
 180         /* Skip "/." path elements */
 181         if (!strcmp("/.", pElement)) {
 182             *pPathTail = cTemp;
 183             continue;
 184         }
 185
 186         /* Remove last element in canonical path for "/.." elements, then skip. */
 187         if (!strcmp("/..", pElement)) {
 188             char *pTemp = strrchr(pszCanonicalPath, '/');
 189             if (pTemp)
 190                 pCanonicalTail = pTemp;
 191             *pCanonicalTail = '\0';
 192             *pPathTail = cTemp;
 193             continue;
 194         }
 195
 196         /* lstat returns zero on success. */
 197         if (lstat(szPath, &fileStat))
 198             return FALSE;
 199
 200         if (S_ISLNK(fileStat.st_mode)) {
 201             char szSymlink[FILENAME_MAX];
 202             int cLinkLen, cTailLen;
 203
 204             /* Avoid infinite loop for recursive links. */
 205             if (++cLinks > 64)
 206                 return FALSE;
 207
 208             cLinkLen = readlink(szPath, szSymlink, FILENAME_MAX);
 209             if (cLinkLen < 0)
 210                 return FALSE;
 211
 212             *pPathTail = cTemp;
 213             cTailLen = strlen(pPathTail);
 214
 215             if (szSymlink[0] == '/') {
 216                 /* Absolute link. Copy to szPath, concat remaining path and start all over. */
 217                 if (cLinkLen + cTailLen + 1 > FILENAME_MAX)
 218                     return FALSE;
 219
 220                 memcpy(szSymlink + cLinkLen, pPathTail, cTailLen + 1);
 221                 memcpy(szPath, szSymlink, cLinkLen + cTailLen + 1);
 222                 *pszCanonicalPath = '\0';
 223                     pCanonicalTail = pszCanonicalPath;
 224                     pPathTail = szPath;
 225             } else {
 226                 /* Relative link. Expand into szPath and continue. */
 227                 char szTemp[FILENAME_MAX];
 228                 int cTailLen = strlen(pPathTail);
 229
 230                 if (pElement - szPath + 1 + cLinkLen + cTailLen + 1 > FILENAME_MAX)
 231                     return FALSE;
 232
 233                 memcpy(szTemp, pPathTail, cTailLen + 1);
 234                 memcpy(pElement + 1, szSymlink, cLinkLen);
 235                 memcpy(pElement + 1 + cLinkLen, szTemp, cTailLen + 1);
 236                 pPathTail = pElement;
 237             }
 238         } else {
 239             /* Regular directory or file. Copy to canonical path */
 240             if (pCanonicalTail - pszCanonicalPath + pPathTail - pElement + 1 > FILENAME_MAX)
 241                 return FALSE;
 242
 243             memcpy(pCanonicalTail, pElement, pPathTail - pElement + 1);
 244             pCanonicalTail += pPathTail - pElement;
 245             *pPathTail = cTemp;
 246         }
 247     } while (pPathTail[0] == '/' && pPathTail[1]); /* Also handles paths terminated by '/' */
 248
 249     TRACE("--> %s\n", debugstr_a(pszCanonicalPath));
 250
 251     return TRUE;
 252 }
 253
 254 /******************************************************************************
 255  * UNIXFS_build_shitemid [Internal]
 256  *
 257  * Constructs a new SHITEMID for the last component of path 'pszUnixPath' into
 258  * buffer 'pIDL'. Decorates the SHITEMID with information from a stat system call.
 259  *
 260  * PARAMS
 261  *  pszUnixPath [I] An absolute path. The SHITEMID will be build for the last component.
 262  *  bParentIsFS [I] Set, if the parent of the last path component is within the wine filesystem.
 263  *  pIDL        [O] SHITEMID will be constructed here.
 264  *
 265  * RETURNS
 266  *  Success: A pointer to the terminating '\0' character of path.
 267  *  Failure: NULL
 268  *
 269  * NOTES
 270  *  Minimum size of pIDL is SHITEMID_LEN_FROM_NAME_LEN(strlen(last_component_of_path)).
 271  *  If what you need is a PIDLLIST with a single SHITEMID, don't forget to append
 272  *  a 0 USHORT value.
 273  */
 274 static char* UNIXFS_build_shitemid(char *pszUnixPath, BOOL bParentIsFS, void *pIDL) {
 275     LARGE_INTEGER time;
 276     FILETIME fileTime;
 277     LPPIDLDATA pIDLData;
 278     struct stat fileStat;
 279     StatStruct *pStatStruct;
 280     char szDevicePath[FILENAME_MAX], *pszComponent;
 281     int cComponentLen;
 282     DWORD dwDrivemap = GetLogicalDrives();
 283     WCHAR wszDosDevice[4] = { 'A', ':', '\\', 0 };
 284
 285     TRACE("(pszUnixPath=%s, pIDL=%p)\n", debugstr_a(pszUnixPath), pIDL);
 286
 287     /* Compute the SHITEMID's length and wipe it. */
 288     pszComponent = strrchr(pszUnixPath, '/') + 1;
 289     cComponentLen = strlen(pszComponent);
 290     memset(pIDL, 0, SHITEMID_LEN_FROM_NAME_LEN(cComponentLen));
 291     ((LPSHITEMID)pIDL)->cb = SHITEMID_LEN_FROM_NAME_LEN(cComponentLen) ;
 292
 293     /* We are only interested in regular files and directories. */
 294     if (stat(pszUnixPath, &fileStat)) return NULL;
 295     if (!S_ISDIR(fileStat.st_mode) && !S_ISREG(fileStat.st_mode)) return NULL;
 296
 297     pStatStruct = LPSTATSTRUCT_FROM_LPSHITEMID(pIDL);
 298     pStatStruct->st_mode = fileStat.st_mode;
 299     pStatStruct->st_uid = fileStat.st_uid;
 300     pStatStruct->st_gid = fileStat.st_gid;
 301     pStatStruct->sfAttr = S_ISDIR(fileStat.st_mode) ? (SFGAO_FOLDER|SFGAO_HASSUBFOLDER|SFGAO_FILESYSANCESTOR) : 0;
 302     if (bParentIsFS) pStatStruct->sfAttr |= SFGAO_FILESYSTEM;
 303
 304     /* Determine if the FILESYSTEM flag should be set. */
 305     while (!(pStatStruct->sfAttr & SFGAO_FILESYSTEM) && wszDosDevice[0] <= 'Z') {
 306         if (dwDrivemap & 0x1) {
 307             if (UNIXFS_get_unix_path(wszDosDevice, szDevicePath)) {
 308                 struct stat deviceStat;
 309                 if (stat(szDevicePath, &deviceStat)) continue;
 310                 if ((deviceStat.st_dev == fileStat.st_dev) &&
 311                     (deviceStat.st_ino == fileStat.st_ino))
 312                 {
 313                     pStatStruct->sfAttr |= SFGAO_FILESYSTEM;
 314                     break;
 315                 }
 316             }
 317         }
 318         dwDrivemap >>= 1;
 319         wszDosDevice[0]++;
 320     }
 321
 322     /* Set shell32's standard SHITEMID data fields. */
 323     pIDLData = _ILGetDataPointer((LPCITEMIDLIST)pIDL);
 324     pIDLData->type = S_ISDIR(fileStat.st_mode) ? PT_FOLDER : PT_VALUE;
 325     pIDLData->u.file.dwFileSize = (DWORD)fileStat.st_size;
 326     RtlSecondsSince1970ToTime( fileStat.st_mtime, &time );
 327     fileTime.dwLowDateTime = time.u.LowPart;
 328     fileTime.dwHighDateTime = time.u.HighPart;
 329     FileTimeToDosDateTime(&fileTime, &pIDLData->u.file.uFileDate, &pIDLData->u.file.uFileTime);
 330     pIDLData->u.file.uFileAttribs = 0;
 331     if (S_ISDIR(fileStat.st_mode)) pIDLData->u.file.uFileAttribs |= FILE_ATTRIBUTE_DIRECTORY;
 332     if (pszComponent[0] == '.') pIDLData->u.file.uFileAttribs |=  FILE_ATTRIBUTE_HIDDEN;
 333     memcpy(pIDLData->u.file.szNames, pszComponent, cComponentLen);
 334
 335     return pszComponent + cComponentLen;
 336 }
 337
 338 /******************************************************************************
 339  * UNIXFS_path_to_pidl [Internal]
 340  *
 341  * PARAMS
 342  *  pUnixFolder [I] If path is relative, pUnixFolder represents the base path
 343  *  path        [I] An absolute unix or dos path or a path relativ to pUnixFolder
 344  *  ppidl       [O] The corresponding ITEMIDLIST. Release with SHFree/ILFree
 345  *
 346  * RETURNS
 347  *  Success: TRUE
 348  *  Failure: FALSE, invalid params or out of memory
 349  *
 350  * NOTES
 351  *  pUnixFolder also carries the information if the path is expected to be unix or dos.
 352  */
 353 static BOOL UNIXFS_path_to_pidl(UnixFolder *pUnixFolder, const WCHAR *path, LPITEMIDLIST *ppidl) {
 354     LPITEMIDLIST pidl;
 355     int cSubDirs, cPidlLen, cPathLen;
 356     char *pSlash, szCompletePath[FILENAME_MAX], *pNextPathElement;
 357     BOOL bParentIsFS = FALSE;
 358
 359     TRACE("pUnixFolder=%p, path=%s, ppidl=%p\n", pUnixFolder, debugstr_w(path), ppidl);
 360
 361     if (!ppidl || !path)
 362         return FALSE;
 363
 364     cPathLen = lstrlenW(path);
 365
 366     /* Build an absolute path and let pNextPathElement point to the interesting
 367      * relative sub-path. We need the absolute path to call 'stat', but the pidl
 368      * will only contain the relative part.
 369      */
 370     if ((pUnixFolder->m_dwPathMode == PATHMODE_DOS) && (path[1] == ':'))
 371     {
 372         /* Absolute dos path. Convert to unix */
 373         if (!UNIXFS_get_unix_path(path, szCompletePath))
 374             return FALSE;
 375         pNextPathElement = szCompletePath + 1;
 376     }
 377     else if ((pUnixFolder->m_dwPathMode == PATHMODE_UNIX) && (path[0] == '/'))
 378     {
 379         /* Absolute unix path. Just convert to ANSI. */
 380         WideCharToMultiByte(CP_ACP, 0, path, -1, szCompletePath, FILENAME_MAX, NULL, NULL);
 381         pNextPathElement = szCompletePath + 1;
 382     }
 383     else
 384     {
 385         /* Relative dos or unix path. Concat with this folder's path */
 386         int cBasePathLen = strlen(pUnixFolder->m_pszPath);
 387         memcpy(szCompletePath, pUnixFolder->m_pszPath, cBasePathLen);
 388         WideCharToMultiByte(CP_ACP, 0, path, -1, szCompletePath + cBasePathLen,
 389                             FILENAME_MAX - cBasePathLen, NULL, NULL);
 390         pNextPathElement = szCompletePath + cBasePathLen;
 391
 392         /* If in dos mode, replace '\' with '/' */
 393         if (pUnixFolder->m_dwPathMode == PATHMODE_DOS) {
 394             char *pBackslash = strchr(pNextPathElement, '\\');
 395             while (pBackslash) {
 396                 *pBackslash = '/';
 397                 pBackslash = strchr(pBackslash, '\\');
 398             }
 399         }
 400     }
 401
 402     /* At this point, we have an absolute unix path in szCompletePath. */
 403     TRACE("complete path: %s\n", szCompletePath);
 404
 405     /* Count the number of sub-directories in the path */
 406     cSubDirs = 1; /* Path may not be terminated with '/', thus start with 1 */
 407     pSlash = strchr(pNextPathElement, '/');
 408     while (pSlash && pSlash[1]) {
 409         cSubDirs++;
 410         pSlash = strchr(pSlash+1, '/');
 411     }
 412
 413     /* Allocate enough memory to hold the path. The -cSubDirs is for the '/'
 414      * characters, which are not stored in the ITEMIDLIST. */
 415     cPidlLen = strlen(pNextPathElement) - cSubDirs + 1 + cSubDirs * SHITEMID_LEN_FROM_NAME_LEN(0) + sizeof(USHORT);
 416     *ppidl = pidl = (LPITEMIDLIST)SHAlloc(cPidlLen);
 417     if (!pidl) return FALSE;
 418
 419     /* Concatenate the SHITEMIDs of the sub-directories. */
 420     while (*pNextPathElement) {
 421         pSlash = strchr(pNextPathElement, '/');
 422         if (pSlash) *pSlash = '\0';
 423         pNextPathElement = UNIXFS_build_shitemid(szCompletePath, bParentIsFS, pidl);
 424         if (pSlash) *pSlash = '/';
 425
 426         if (!pNextPathElement) {
 427             SHFree(pidl);
 428             return FALSE;
 429         }
 430         if (!bParentIsFS && (LPSTATSTRUCT_FROM_LPSHITEMID(pidl)->sfAttr & SFGAO_FILESYSTEM))
 431             bParentIsFS = TRUE;
 432         pidl = ILGetNext(pidl);
 433     }
 434     pidl->mkid.cb = 0; /* Terminate the ITEMIDLIST */
 435
 436     if ((int)pidl-(int)*ppidl+sizeof(USHORT) > cPidlLen) /* We've corrupted the heap :( */
 437         ERR("Computed length of pidl to small. Please report.\n");
 438
 439     return TRUE;
 440 }
 441
 442 /******************************************************************************
 443  * UNIXFS_pidl_to_path [Internal]
 444  *
 445  * Construct the unix path that corresponds to a fully qualified ITEMIDLIST
 446  *
 447  * PARAMS
 448  *  pidl [I] ITEMIDLIST that specifies the absolute location of the folder
 449  *  path [O] The corresponding unix path as a zero terminated ascii string
 450  *
 451  * RETURNS
 452  *  Success: TRUE
 453  *  Failure: FALSE, pidl doesn't specify a unix path or out of memory
 454  */
 455 static BOOL UNIXFS_pidl_to_path(LPCITEMIDLIST pidl, UnixFolder *pUnixFolder) {
 456     LPCITEMIDLIST current = pidl, root;
 457     DWORD dwPathLen;
 458     char *pNextDir, szBasePath[FILENAME_MAX] = "/";
 459
 460     TRACE("(pidl=%p, pUnixFolder=%p)\n", pidl, pUnixFolder);
 461     pdump(pidl);
 462
 463     pUnixFolder->m_pszPath = NULL;
 464
 465     /* Find the UnixFolderClass root */
 466     while (current->mkid.cb) {
 467         if (_ILIsDrive(current) || /* The dos drive, which maps to '/' */
 468             (_ILIsSpecialFolder(current) &&
 469              (IsEqualIID(&CLSID_UnixFolder, _ILGetGUIDPointer(current)) ||
 470               IsEqualIID(&CLSID_UnixDosFolder, _ILGetGUIDPointer(current)))))
 471         {
 472             break;
 473         }
 474         current = ILGetNext(current);
 475     }
 476
 477     if (current && current->mkid.cb) {
 478         root = current = ILGetNext(current);
 479         dwPathLen = 2; /* For the '/' prefix and the terminating '\0' */
 480     } else if (_ILIsDesktop(pidl) || _ILIsValue(pidl) || _ILIsFolder(pidl)) {
 481         /* Path rooted at Desktop */
 482         WCHAR wszDesktopPath[MAX_PATH];
 483         if (FAILED(SHGetSpecialFolderPathW(0, wszDesktopPath, CSIDL_DESKTOP, FALSE)))
 484            return FALSE;
 485         if (!UNIXFS_get_unix_path(wszDesktopPath, szBasePath))
 486             return FALSE;
 487         dwPathLen = strlen(szBasePath) + 1;
 488         root = current;
 489     } else {
 490         ERR("Unknown pidl type!\n");
 491         pdump(pidl);
 492         return FALSE;
 493     }
 494
 495     /* Determine the path's length bytes */
 496     while (current && current->mkid.cb) {
 497         dwPathLen += NAME_LEN_FROM_LPSHITEMID(current) + 1; /* For the '/' */
 498         current = ILGetNext(current);
 499     };
 500
 501     /* Build the path */
 502     pUnixFolder->m_pszPath = pNextDir = SHAlloc(dwPathLen);
 503     if (!pUnixFolder->m_pszPath) {
 504         WARN("SHAlloc failed!\n");
 505         return FALSE;
 506     }
 507     current = root;
 508     strcpy(pNextDir, szBasePath);
 509     pNextDir += strlen(szBasePath);
 510     while (current && current->mkid.cb) {
 511         memcpy(pNextDir, _ILGetTextPointer(current), NAME_LEN_FROM_LPSHITEMID(current));
 512         pNextDir += NAME_LEN_FROM_LPSHITEMID(current);
 513         *pNextDir++ = '/';
 514         current = ILGetNext(current);
 515     }
 516     *pNextDir='\0';
 517
 518     TRACE("--> %s\n", pUnixFolder->m_pszPath);
 519     return TRUE;
 520 }
 521
 522 /******************************************************************************
 523  * UNIXFS_build_subfolder_pidls [Internal]
 524  *
 525  * Builds an array of subfolder PIDLs relative to a unix directory
 526  *
 527  * PARAMS
 528  *  path   [I] Name of a unix directory as a zero terminated ascii string
 529  *  apidl  [O] The array of PIDLs
 530  *  pCount [O] Size of apidl
 531  *
 532  * RETURNS
 533  *  Success: TRUE
 534  *  Failure: FALSE, path is not a valid unix directory or out of memory
 535  *
 536  * NOTES
 537  *  The array of PIDLs and each PIDL are allocated with SHAlloc. You'll have
 538  *  to release each PIDL as well as the array itself with SHFree.
 539  */
 540 static BOOL UNIXFS_build_subfolder_pidls(UnixFolder *pUnixFolder)
 541 {
 542     struct dirent *pDirEntry;
 543     struct stat fileStat;
 544     DIR *dir;
 545     DWORD cDirEntries, i;
 546     USHORT sLen;
 547     char *pszFQPath;
 548     BOOL bParentIsFS = FALSE;
 549
 550     TRACE("(pUnixFolder=%p)\n", pUnixFolder);
 551
 552     pUnixFolder->m_apidlSubDirs = NULL;
 553     pUnixFolder->m_cSubDirs = 0;
 554
 555     if (pUnixFolder->m_pidlLocation) {
 556         StatStruct *statStruct =
 557             LPSTATSTRUCT_FROM_LPSHITEMID(ILFindLastID(pUnixFolder->m_pidlLocation));
 558         if (statStruct) bParentIsFS = statStruct->sfAttr & SFGAO_FILESYSTEM;
 559     }
 560
 561     dir = opendir(pUnixFolder->m_pszPath);
 562     if (!dir) {
 563         WARN("Failed to open directory '%s'.\n", pUnixFolder->m_pszPath);
 564         return FALSE;
 565     }
 566
 567     /* Allocate space for fully qualified paths */
 568     pszFQPath = SHAlloc(strlen(pUnixFolder->m_pszPath) + PATH_MAX);
 569     if (!pszFQPath) {
 570         WARN("SHAlloc failed!\n");
 571         return FALSE;
 572     }
 573
 574     /* Count number of directory entries. */
 575     for (cDirEntries = 0, pDirEntry = readdir(dir); pDirEntry; pDirEntry = readdir(dir)) {
 576         if (!strcmp(pDirEntry->d_name, ".") || !strcmp(pDirEntry->d_name, "..")) continue;
 577         sprintf(pszFQPath, "%s%s", pUnixFolder->m_pszPath, pDirEntry->d_name);
 578         if (!stat(pszFQPath, &fileStat) && (S_ISDIR(fileStat.st_mode) || S_ISREG(fileStat.st_mode))) cDirEntries++;
 579     }
 580
 581     /* If there are no entries, we are done. */
 582     if (cDirEntries == 0) {
 583         closedir(dir);
 584         SHFree(pszFQPath);
 585         return TRUE;
 586     }
 587
 588     /* Allocate the array of PIDLs */
 589     pUnixFolder->m_apidlSubDirs = SHAlloc(cDirEntries * sizeof(LPITEMIDLIST));
 590     if (!pUnixFolder->m_apidlSubDirs) {
 591         WARN("SHAlloc failed!\n");
 592         return FALSE;
 593     }
 594
 595     /* Allocate and initialize one SHITEMID per sub-directory. */
 596     for (rewinddir(dir), pDirEntry = readdir(dir), i = 0; pDirEntry; pDirEntry = readdir(dir)) {
 597         LPSHITEMID pid;
 598
 599         if (!strcmp(pDirEntry->d_name, ".") || !strcmp(pDirEntry->d_name, "..")) continue;
 600
 601         sprintf(pszFQPath, "%s%s", pUnixFolder->m_pszPath, pDirEntry->d_name);
 602
 603         sLen = strlen(pDirEntry->d_name);
 604         pid = (LPSHITEMID)SHAlloc(SHITEMID_LEN_FROM_NAME_LEN(sLen)+sizeof(USHORT));
 605         if (!pid) {
 606             WARN("SHAlloc failed!\n");
 607             return FALSE;
 608         }
 609         if (!UNIXFS_build_shitemid(pszFQPath, bParentIsFS, pid)) {
 610             SHFree(pid);
 611             continue;
 612         }
 613         memset(((PBYTE)pid)+pid->cb, 0, sizeof(USHORT));
 614
 615         pUnixFolder->m_apidlSubDirs[i++] = (LPITEMIDLIST)pid;
 616     }
 617
 618     pUnixFolder->m_cSubDirs = i;
 619     closedir(dir);
 620     SHFree(pszFQPath);
 621
 622     return TRUE;
 623 }
 624
 625 /******************************************************************************
 626  * UnixFolder
 627  *
 628  * Class whose heap based instances represent unix filesystem directories.
 629  */
 630
 631 static void UnixFolder_Destroy(UnixFolder *pUnixFolder) {
 632     DWORD i;
 633
 634     TRACE("(pUnixFolder=%p)\n", pUnixFolder);
 635
 636     if (pUnixFolder->m_apidlSubDirs)
 637         for (i=0; i < pUnixFolder->m_cSubDirs; i++)
 638             SHFree(pUnixFolder->m_apidlSubDirs[i]);
 639     SHFree(pUnixFolder->m_apidlSubDirs);
 640     SHFree(pUnixFolder->m_pszPath);
 641     ILFree(pUnixFolder->m_pidlLocation);
 642     SHFree(pUnixFolder);
 643 }
 644
 645 static HRESULT WINAPI UnixFolder_IShellFolder2_QueryInterface(IShellFolder2 *iface, REFIID riid,
 646     void **ppv)
 647 {
 648     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 649
 650     TRACE("(iface=%p, riid=%p, ppv=%p)\n", iface, riid, ppv);
 651
 652     if (!ppv) return E_INVALIDARG;
 653
 654     if (IsEqualIID(&IID_IUnknown, riid) || IsEqualIID(&IID_IShellFolder, riid) ||
 655         IsEqualIID(&IID_IShellFolder2, riid))
 656     {
 657         *ppv = &This->lpIShellFolder2Vtbl;
 658     } else if (IsEqualIID(&IID_IPersistFolder2, riid) || IsEqualIID(&IID_IPersistFolder, riid) ||
 659                IsEqualIID(&IID_IPersist, riid))
 660     {
 661         *ppv = &This->lpIPersistFolder2Vtbl;
 662     } else {
 663         *ppv = NULL;
 664         return E_NOINTERFACE;
 665     }
 666
 667     IUnknown_AddRef((IUnknown*)*ppv);
 668     return S_OK;
 669 }
 670
 671 static ULONG WINAPI UnixFolder_IShellFolder2_AddRef(IShellFolder2 *iface) {
 672     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 673
 674     TRACE("(iface=%p)\n", iface);
 675
 676     return InterlockedIncrement(&This->m_cRef);
 677 }
 678
 679 static ULONG WINAPI UnixFolder_IShellFolder2_Release(IShellFolder2 *iface) {
 680     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 681     ULONG cRef;
 682
 683     TRACE("(iface=%p)\n", iface);
 684
 685     cRef = InterlockedDecrement(&This->m_cRef);
 686
 687     if (!cRef)
 688         UnixFolder_Destroy(This);
 689
 690     return cRef;
 691 }
 692
 693 static HRESULT WINAPI UnixFolder_IShellFolder2_ParseDisplayName(IShellFolder2* iface, HWND hwndOwner,
 694     LPBC pbcReserved, LPOLESTR lpszDisplayName, ULONG* pchEaten, LPITEMIDLIST* ppidl,
 695     ULONG* pdwAttributes)
 696 {
 697     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 698     BOOL result;
 699
 700     TRACE("(iface=%p, hwndOwner=%p, pbcReserved=%p, lpszDisplayName=%s, pchEaten=%p, ppidl=%p, "
 701           "pdwAttributes=%p) stub\n", iface, hwndOwner, pbcReserved, debugstr_w(lpszDisplayName),
 702           pchEaten, ppidl, pdwAttributes);
 703
 704     result = UNIXFS_path_to_pidl(This, lpszDisplayName, ppidl);
 705     if (result && pdwAttributes && *pdwAttributes)
 706     {
 707         /* need to traverse to the last element for the attribute */
 708         LPCITEMIDLIST pidl, last_pidl;
 709         pidl = last_pidl = *ppidl;
 710         while(pidl && pidl->mkid.cb)
 711         {
 712             last_pidl = pidl;
 713             pidl = ILGetNext(pidl);
 714         }
 715         SHELL32_GetItemAttributes((IShellFolder*)iface, last_pidl, pdwAttributes);
 716     }
 717
 718     if (!result) TRACE("FAILED!\n");
 719     return result ? S_OK : E_FAIL;
 720 }
 721
 722 static IUnknown *UnixSubFolderIterator_Construct(UnixFolder *pUnixFolder, SHCONTF fFilter);
 723
 724 static HRESULT WINAPI UnixFolder_IShellFolder2_EnumObjects(IShellFolder2* iface, HWND hwndOwner,
 725     SHCONTF grfFlags, IEnumIDList** ppEnumIDList)
 726 {
 727     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 728     IUnknown *newIterator;
 729     HRESULT hr;
 730
 731     TRACE("(iface=%p, hwndOwner=%p, grfFlags=%08lx, ppEnumIDList=%p)\n",
 732             iface, hwndOwner, grfFlags, ppEnumIDList);
 733
 734     if (This->m_cSubDirs == -1)
 735         UNIXFS_build_subfolder_pidls(This);
 736
 737     newIterator = UnixSubFolderIterator_Construct(This, grfFlags);
 738     hr = IUnknown_QueryInterface(newIterator, &IID_IEnumIDList, (void**)ppEnumIDList);
 739     IUnknown_Release(newIterator);
 740
 741     return hr;
 742 }
 743
 744 static HRESULT WINAPI UnixFolder_IShellFolder2_BindToObject(IShellFolder2* iface, LPCITEMIDLIST pidl,
 745     LPBC pbcReserved, REFIID riid, void** ppvOut)
 746 {
 747     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 748     IPersistFolder2 *persistFolder;
 749     LPITEMIDLIST pidlSubFolder;
 750     HRESULT hr;
 751
 752     TRACE("(iface=%p, pidl=%p, pbcReserver=%p, riid=%p, ppvOut=%p)\n",
 753             iface, pidl, pbcReserved, riid, ppvOut);
 754
 755     if (!pidl || !pidl->mkid.cb)
 756         return E_INVALIDARG;
 757
 758     if (This->m_dwPathMode == PATHMODE_DOS)
 759         hr = UnixDosFolder_Constructor(NULL, &IID_IPersistFolder2, (void**)&persistFolder);
 760     else
 761         hr = UnixFolder_Constructor(NULL, &IID_IPersistFolder2, (void**)&persistFolder);
 762
 763     if (!SUCCEEDED(hr)) return hr;
 764     hr = IPersistFolder_QueryInterface(persistFolder, riid, (void**)ppvOut);
 765
 766     pidlSubFolder = ILCombine(This->m_pidlLocation, pidl);
 767     IPersistFolder2_Initialize(persistFolder, pidlSubFolder);
 768     IPersistFolder2_Release(persistFolder);
 769     ILFree(pidlSubFolder);
 770
 771     return hr;
 772 }
 773
 774 static HRESULT WINAPI UnixFolder_IShellFolder2_BindToStorage(IShellFolder2* This, LPCITEMIDLIST pidl,
 775     LPBC pbcReserved, REFIID riid, void** ppvObj)
 776 {
 777     TRACE("stub\n");
 778     return E_NOTIMPL;
 779 }
 780
 781 static HRESULT WINAPI UnixFolder_IShellFolder2_CompareIDs(IShellFolder2* iface, LPARAM lParam,
 782     LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2)
 783 {
 784     BOOL isEmpty1, isEmpty2;
 785     HRESULT hr = E_FAIL;
 786     LPITEMIDLIST firstpidl;
 787     IShellFolder2 *psf;
 788     int compare;
 789
 790     TRACE("(iface=%p, lParam=%ld, pidl1=%p, pidl2=%p)\n", iface, lParam, pidl1, pidl2);
 791
 792     isEmpty1 = !pidl1 || !pidl1->mkid.cb;
 793     isEmpty2 = !pidl2 || !pidl2->mkid.cb;
 794
 795     if (isEmpty1 && isEmpty2)
 796         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, 0);
 797     else if (isEmpty1)
 798         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, (WORD)-1);
 799     else if (isEmpty2)
 800         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, (WORD)1);
 801
 802     if (_ILIsFolder(pidl1) && !_ILIsFolder(pidl2))
 803         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, (WORD)-1);
 804     if (!_ILIsFolder(pidl1) && _ILIsFolder(pidl2))
 805         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, (WORD)1);
 806
 807     compare = CompareStringA(LOCALE_USER_DEFAULT, NORM_IGNORECASE,
 808                              _ILGetTextPointer(pidl1), NAME_LEN_FROM_LPSHITEMID(pidl1),
 809                              _ILGetTextPointer(pidl2), NAME_LEN_FROM_LPSHITEMID(pidl2));
 810
 811     if ((compare == CSTR_LESS_THAN) || (compare == CSTR_GREATER_THAN))
 812         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, (WORD)((compare == CSTR_LESS_THAN)?-1:1));
 813
 814     if (pidl1->mkid.cb < pidl2->mkid.cb)
 815         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, (WORD)-1);
 816     else if (pidl1->mkid.cb > pidl2->mkid.cb)
 817         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, (WORD)1);
 818
 819     firstpidl = ILCloneFirst(pidl1);
 820     pidl1 = ILGetNext(pidl1);
 821     pidl2 = ILGetNext(pidl2);
 822
 823     hr = IShellFolder2_BindToObject(iface, firstpidl, NULL, &IID_IShellFolder, (LPVOID*)&psf);
 824     if (SUCCEEDED(hr)) {
 825         hr = IShellFolder_CompareIDs(psf, lParam, pidl1, pidl2);
 826         IShellFolder2_Release(psf);
 827     }
 828
 829     ILFree(firstpidl);
 830     return hr;
 831 }
 832
 833 static HRESULT WINAPI UnixFolder_IShellFolder2_CreateViewObject(IShellFolder2* iface, HWND hwndOwner,
 834     REFIID riid, void** ppv)
 835 {
 836     HRESULT hr = E_INVALIDARG;
 837
 838     TRACE("(iface=%p, hwndOwner=%p, riid=%p, ppv=%p) stub\n", iface, hwndOwner, riid, ppv);
 839
 840     if (!ppv) return E_INVALIDARG;
 841     *ppv = NULL;
 842
 843     if (IsEqualIID(&IID_IShellView, riid)) {
 844         LPSHELLVIEW pShellView;
 845
 846         pShellView = IShellView_Constructor((IShellFolder*)iface);
 847         if (pShellView) {
 848             hr = IShellView_QueryInterface(pShellView, riid, ppv);
 849             IShellView_Release(pShellView);
 850         }
 851     }
 852
 853     return hr;
 854 }
 855
 856 static HRESULT WINAPI UnixFolder_IShellFolder2_GetAttributesOf(IShellFolder2* iface, UINT cidl,
 857     LPCITEMIDLIST* apidl, SFGAOF* rgfInOut)
 858 {
 859     UINT i;
 860     SFGAOF flags= ~(SFGAOF)0;
 861
 862     TRACE("(iface=%p, cidl=%u, apidl=%p, rgfInOut=%p) semi-stub\n", iface, cidl, apidl, rgfInOut);
 863
 864     for (i=0; i<cidl; i++)
 865         flags &= LPSTATSTRUCT_FROM_LPSHITEMID(apidl[i])->sfAttr;
 866
 867     *rgfInOut = *rgfInOut & flags;
 868
 869     return S_OK;
 870 }
 871
 872 static HRESULT WINAPI UnixFolder_IShellFolder2_GetUIObjectOf(IShellFolder2* iface, HWND hwndOwner,
 873     UINT cidl, LPCITEMIDLIST* apidl, REFIID riid, UINT* prgfInOut, void** ppvOut)
 874 {
 875     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 876
 877     TRACE("(iface=%p, hwndOwner=%p, cidl=%d, apidl=%p, riid=%s, prgfInOut=%p, ppv=%p)\n",
 878         iface, hwndOwner, cidl, apidl, debugstr_guid(riid), prgfInOut, ppvOut);
 879
 880     if (IsEqualIID(&IID_IContextMenu, riid)) {
 881         *ppvOut = ISvItemCm_Constructor((IShellFolder*)iface, This->m_pidlLocation, apidl, cidl);
 882         return S_OK;
 883     } else if (IsEqualIID(&IID_IDataObject, riid)) {
 884         *ppvOut = IDataObject_Constructor(hwndOwner, This->m_pidlLocation, apidl, cidl);
 885         return S_OK;
 886     } else if (IsEqualIID(&IID_IExtractIconA, riid)) {
 887         LPITEMIDLIST pidl;
 888         if (cidl != 1) return E_FAIL;
 889         pidl = ILCombine(This->m_pidlLocation, apidl[0]);
 890         *ppvOut = (LPVOID)IExtractIconA_Constructor(pidl);
 891         SHFree(pidl);
 892         return S_OK;
 893     } else if (IsEqualIID(&IID_IExtractIconW, riid)) {
 894         LPITEMIDLIST pidl;
 895         if (cidl != 1) return E_FAIL;
 896         pidl = ILCombine(This->m_pidlLocation, apidl[0]);
 897         *ppvOut = (LPVOID)IExtractIconW_Constructor(pidl);
 898         SHFree(pidl);
 899         return S_OK;
 900     } else if (IsEqualIID(&IID_IDropTarget, riid)) {
 901         FIXME("IDropTarget\n");
 902         return E_FAIL;
 903     } else if (IsEqualIID(&IID_IShellLinkW, riid)) {
 904         FIXME("IShellLinkW\n");
 905         return E_FAIL;
 906     } else if (IsEqualIID(&IID_IShellLinkA, riid)) {
 907         FIXME("IShellLinkA\n");
 908         return E_FAIL;
 909     } else {
 910         FIXME("Unknown interface %s in GetUIObjectOf\n", debugstr_guid(riid));
 911         return E_NOINTERFACE;
 912     }
 913 }
 914
 915 static HRESULT WINAPI UnixFolder_IShellFolder2_GetDisplayNameOf(IShellFolder2* iface,
 916     LPCITEMIDLIST pidl, SHGDNF uFlags, STRRET* lpName)
 917 {
 918     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 919     HRESULT hr = S_OK;
 920
 921     TRACE("(iface=%p, pidl=%p, uFlags=%lx, lpName=%p)\n", iface, pidl, uFlags, lpName);
 922
 923     if ((GET_SHGDN_FOR(uFlags) & SHGDN_FORPARSING) &&
 924         (GET_SHGDN_RELATION(uFlags) != SHGDN_INFOLDER))
 925     {
 926         if (!pidl->mkid.cb) {
 927             lpName->uType = STRRET_CSTR;
 928             strcpy(lpName->u.cStr, This->m_pszPath);
 929             if (This->m_dwPathMode == PATHMODE_DOS) {
 930                 char path[MAX_PATH];
 931                 GetFullPathNameA(lpName->u.cStr, MAX_PATH, path, NULL);
 932                 PathRemoveBackslashA(path);
 933                 strcpy(lpName->u.cStr, path);
 934             }
 935         } else {
 936             IShellFolder *pSubFolder;
 937             USHORT emptyIDL = 0;
 938
 939             hr = IShellFolder_BindToObject(iface, pidl, NULL, &IID_IShellFolder, (void**)&pSubFolder);
 940             if (!SUCCEEDED(hr)) return hr;
 941
 942             hr = IShellFolder_GetDisplayNameOf(pSubFolder, (LPITEMIDLIST)&emptyIDL, uFlags, lpName);
 943             IShellFolder_Release(pSubFolder);
 944         }
 945     } else {
 946         char *pszFileName = _ILGetTextPointer(pidl);
 947         lpName->uType = STRRET_CSTR;
 948         strcpy(lpName->u.cStr, pszFileName ? pszFileName : "");
 949     }
 950
 951     TRACE("--> %s\n", lpName->u.cStr);
 952
 953     return hr;
 954 }
 955
 956 static HRESULT WINAPI UnixFolder_IShellFolder2_SetNameOf(IShellFolder2* This, HWND hwnd,
 957     LPCITEMIDLIST pidl, LPCOLESTR lpszName, SHGDNF uFlags, LPITEMIDLIST* ppidlOut)
 958 {
 959     TRACE("stub\n");
 960     return E_NOTIMPL;
 961 }
 962
 963 static HRESULT WINAPI UnixFolder_IShellFolder2_EnumSearches(IShellFolder2* iface,
 964     IEnumExtraSearch **ppEnum)
 965 {
 966     TRACE("stub\n");
 967     return E_NOTIMPL;
 968 }
 969
 970 static HRESULT WINAPI UnixFolder_IShellFolder2_GetDefaultColumn(IShellFolder2* iface,
 971     DWORD dwReserved, ULONG *pSort, ULONG *pDisplay)
 972 {
 973     TRACE("stub\n");
 974     return E_NOTIMPL;
 975 }
 976
 977 static HRESULT WINAPI UnixFolder_IShellFolder2_GetDefaultColumnState(IShellFolder2* iface,
 978     UINT iColumn, SHCOLSTATEF *pcsFlags)
 979 {
 980     TRACE("stub\n");
 981     return E_NOTIMPL;
 982 }
 983
 984 static HRESULT WINAPI UnixFolder_IShellFolder2_GetDefaultSearchGUID(IShellFolder2* iface,
 985     GUID *pguid)
 986 {
 987     TRACE("stub\n");
 988     return E_NOTIMPL;
 989 }
 990
 991 static HRESULT WINAPI UnixFolder_IShellFolder2_GetDetailsEx(IShellFolder2* iface,
 992     LPCITEMIDLIST pidl, const SHCOLUMNID *pscid, VARIANT *pv)
 993 {
 994     TRACE("stub\n");
 995     return E_NOTIMPL;
 996 }
 997
 998 #define SHELLVIEWCOLUMNS 6
 999
1000 static HRESULT WINAPI UnixFolder_IShellFolder2_GetDetailsOf(IShellFolder2* iface,
1001     LPCITEMIDLIST pidl, UINT iColumn, SHELLDETAILS *psd)
1002 {
1003     HRESULT hr = E_FAIL;
1004     struct passwd *pPasswd;
1005     struct group *pGroup;
1006     static const shvheader SFHeader[SHELLVIEWCOLUMNS] = {
1007         {IDS_SHV_COLUMN1,  SHCOLSTATE_TYPE_STR  | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 15},
1008         {IDS_SHV_COLUMN5,  SHCOLSTATE_TYPE_STR  | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 10},
1009         {IDS_SHV_COLUMN10, SHCOLSTATE_TYPE_STR  | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 7},
1010         {IDS_SHV_COLUMN11, SHCOLSTATE_TYPE_STR  | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 7},
1011         {IDS_SHV_COLUMN2,  SHCOLSTATE_TYPE_STR  | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 8},
1012         {IDS_SHV_COLUMN4,  SHCOLSTATE_TYPE_DATE | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 10}
1013     };
1014
1015     TRACE("(iface=%p, pidl=%p, iColumn=%d, psd=%p) stub\n", iface, pidl, iColumn, psd);
1016
1017     if (!psd || iColumn >= SHELLVIEWCOLUMNS)
1018         return E_INVALIDARG;
1019
1020     if (!pidl) {
1021         psd->fmt = SFHeader[iColumn].fmt;
1022         psd->cxChar = SFHeader[iColumn].cxChar;
1023         psd->str.uType = STRRET_CSTR;
1024         LoadStringA(shell32_hInstance, SFHeader[iColumn].colnameid, psd->str.u.cStr, MAX_PATH);
1025         return S_OK;
1026     } else {
1027         StatStruct *pStatStruct = LPSTATSTRUCT_FROM_LPSHITEMID(pidl);
1028         psd->str.u.cStr[0] = '\0';
1029         psd->str.uType = STRRET_CSTR;
1030         switch (iColumn) {
1031             case 0:
1032                 hr = IShellFolder2_GetDisplayNameOf(iface, pidl, SHGDN_NORMAL|SHGDN_INFOLDER, &psd->str);
1033                 break;
1034             case 1:
1035                 psd->str.u.cStr[0] = S_ISDIR(pStatStruct->st_mode) ? 'd' : '-';
1036                 psd->str.u.cStr[1] = (pStatStruct->st_mode & S_IRUSR) ? 'r' : '-';
1037                 psd->str.u.cStr[2] = (pStatStruct->st_mode & S_IWUSR) ? 'w' : '-';
1038                 psd->str.u.cStr[3] = (pStatStruct->st_mode & S_IXUSR) ? 'x' : '-';
1039                 psd->str.u.cStr[4] = (pStatStruct->st_mode & S_IRGRP) ? 'r' : '-';
1040                 psd->str.u.cStr[5] = (pStatStruct->st_mode & S_IWGRP) ? 'w' : '-';
1041                 psd->str.u.cStr[6] = (pStatStruct->st_mode & S_IXGRP) ? 'x' : '-';
1042                 psd->str.u.cStr[7] = (pStatStruct->st_mode & S_IROTH) ? 'r' : '-';
1043                 psd->str.u.cStr[8] = (pStatStruct->st_mode & S_IWOTH) ? 'w' : '-';
1044                 psd->str.u.cStr[9] = (pStatStruct->st_mode & S_IXOTH) ? 'x' : '-';
1045                 psd->str.u.cStr[10] = '\0';
1046                 break;
1047             case 2:
1048                 pPasswd = getpwuid(pStatStruct->st_uid);
1049                 if (pPasswd) strcpy(psd->str.u.cStr, pPasswd->pw_name);
1050                 break;
1051             case 3:
1052                 pGroup = getgrgid(pStatStruct->st_gid);
1053                 if (pGroup) strcpy(psd->str.u.cStr, pGroup->gr_name);
1054                 break;
1055             case 4:
1056                 _ILGetFileSize(pidl, psd->str.u.cStr, MAX_PATH);
1057                 break;
1058             case 5:
1059                 _ILGetFileDate(pidl, psd->str.u.cStr, MAX_PATH);
1060                 break;
1061         }
1062     }
1063
1064     return hr;
1065 }
1066
1067 static HRESULT WINAPI UnixFolder_IShellFolder2_MapColumnToSCID(IShellFolder2* iface, UINT iColumn,
1068     SHCOLUMNID *pscid)
1069 {
1070     TRACE("stub\n");
1071     return E_NOTIMPL;
1072 }
1073
1074 /* VTable for UnixFolder's IShellFolder2 interface.
1075  */
1076 static const IShellFolder2Vtbl UnixFolder_IShellFolder2_Vtbl = {
1077     UnixFolder_IShellFolder2_QueryInterface,
1078     UnixFolder_IShellFolder2_AddRef,
1079     UnixFolder_IShellFolder2_Release,
1080     UnixFolder_IShellFolder2_ParseDisplayName,
1081     UnixFolder_IShellFolder2_EnumObjects,
1082     UnixFolder_IShellFolder2_BindToObject,
1083     UnixFolder_IShellFolder2_BindToStorage,
1084     UnixFolder_IShellFolder2_CompareIDs,
1085     UnixFolder_IShellFolder2_CreateViewObject,
1086     UnixFolder_IShellFolder2_GetAttributesOf,
1087     UnixFolder_IShellFolder2_GetUIObjectOf,
1088     UnixFolder_IShellFolder2_GetDisplayNameOf,
1089     UnixFolder_IShellFolder2_SetNameOf,
1090     UnixFolder_IShellFolder2_GetDefaultSearchGUID,
1091     UnixFolder_IShellFolder2_EnumSearches,
1092     UnixFolder_IShellFolder2_GetDefaultColumn,
1093     UnixFolder_IShellFolder2_GetDefaultColumnState,
1094     UnixFolder_IShellFolder2_GetDetailsEx,
1095     UnixFolder_IShellFolder2_GetDetailsOf,
1096     UnixFolder_IShellFolder2_MapColumnToSCID
1097 };
1098
1099 static HRESULT WINAPI UnixFolder_IPersistFolder2_QueryInterface(IPersistFolder2* This, REFIID riid,
1100     void** ppvObject)
1101 {
1102     return UnixFolder_IShellFolder2_QueryInterface(
1103                 (IShellFolder2*)ADJUST_THIS(UnixFolder, IPersistFolder2, This), riid, ppvObject);
1104 }
1105
1106 static ULONG WINAPI UnixFolder_IPersistFolder2_AddRef(IPersistFolder2* This)
1107 {
1108     return UnixFolder_IShellFolder2_AddRef(
1109                 (IShellFolder2*)ADJUST_THIS(UnixFolder, IPersistFolder2, This));
1110 }
1111
1112 static ULONG WINAPI UnixFolder_IPersistFolder2_Release(IPersistFolder2* This)
1113 {
1114     return UnixFolder_IShellFolder2_Release(
1115                 (IShellFolder2*)ADJUST_THIS(UnixFolder, IPersistFolder2, This));
1116 }
1117
1118 static HRESULT WINAPI UnixFolder_IPersistFolder2_GetClassID(IPersistFolder2* This, CLSID* pClassID)
1119 {
1120     TRACE("stub\n");
1121     return E_NOTIMPL;
1122 }
1123
1124 static HRESULT WINAPI UnixFolder_IPersistFolder2_Initialize(IPersistFolder2* iface, LPCITEMIDLIST pidl)
1125 {
1126     UnixFolder *This = ADJUST_THIS(UnixFolder, IPersistFolder2, iface);
1127
1128     TRACE("(iface=%p, pidl=%p)\n", iface, pidl);
1129
1130     This->m_pidlLocation = ILClone(pidl);
1131
1132     pdump(pidl);
1133
1134     if (!UNIXFS_pidl_to_path(pidl, This))
1135         return E_FAIL;
1136
1137     return S_OK;
1138 }
1139
1140 static HRESULT WINAPI UnixFolder_IPersistFolder2_GetCurFolder(IPersistFolder2* iface, LPITEMIDLIST* ppidl)
1141 {
1142     UnixFolder *This = ADJUST_THIS(UnixFolder, IPersistFolder2, iface);
1143
1144     TRACE ("(iface=%p, ppidl=%p)\n", iface, ppidl);
1145
1146     if (!ppidl)
1147         return E_POINTER;
1148     *ppidl = ILClone (This->m_pidlLocation);
1149     return S_OK;
1150 }
1151
1152 /* VTable for UnixFolder's IPersistFolder interface.
1153  */
1154 static const IPersistFolder2Vtbl UnixFolder_IPersistFolder2_Vtbl = {
1155     UnixFolder_IPersistFolder2_QueryInterface,
1156     UnixFolder_IPersistFolder2_AddRef,
1157     UnixFolder_IPersistFolder2_Release,
1158     UnixFolder_IPersistFolder2_GetClassID,
1159     UnixFolder_IPersistFolder2_Initialize,
1160     UnixFolder_IPersistFolder2_GetCurFolder
1161 };
1162
1163 /******************************************************************************
1164  * Unix[Dos]Folder_Constructor [Internal]
1165  *
1166  * PARAMS
1167  *  pUnkOuter [I] Outer class for aggregation. Currently ignored.
1168  *  riid      [I] Interface asked for by the client.
1169  *  ppv       [O] Pointer to an riid interface to the UnixFolder object.
1170  *
1171  * NOTES
1172  *  Those are the only functions exported from shfldr_unixfs.c. They are called from
1173  *  shellole.c's default class factory and thus have to exhibit a LPFNCREATEINSTANCE
1174  *  compatible signature.
1175  *
1176  *  The UnixDosFolder_Constructor sets the dwPathMode member to PATHMODE_DOS. This
1177  *  means that paths are converted from dos to unix and back at the interfaces.
1178  */
1179 static HRESULT CreateUnixFolder(IUnknown *pUnkOuter, REFIID riid, LPVOID *ppv, DWORD dwPathMode) {
1180     HRESULT hr = E_FAIL;
1181     UnixFolder *pUnixFolder = SHAlloc((ULONG)sizeof(UnixFolder));
1182
1183     if(pUnixFolder) {
1184         pUnixFolder->lpIShellFolder2Vtbl = &UnixFolder_IShellFolder2_Vtbl;
1185         pUnixFolder->lpIPersistFolder2Vtbl = &UnixFolder_IPersistFolder2_Vtbl;
1186         pUnixFolder->m_cRef = 0;
1187         pUnixFolder->m_pszPath = NULL;
1188         pUnixFolder->m_apidlSubDirs = NULL;
1189         pUnixFolder->m_cSubDirs = -1;
1190         pUnixFolder->m_dwPathMode = dwPathMode;
1191
1192         UnixFolder_IShellFolder2_AddRef(STATIC_CAST(IShellFolder2, pUnixFolder));
1193         hr = UnixFolder_IShellFolder2_QueryInterface(STATIC_CAST(IShellFolder2, pUnixFolder), riid, ppv);
1194         UnixFolder_IShellFolder2_Release(STATIC_CAST(IShellFolder2, pUnixFolder));
1195     }
1196     return hr;
1197 }
1198
1199 HRESULT WINAPI UnixFolder_Constructor(IUnknown *pUnkOuter, REFIID riid, LPVOID *ppv) {
1200     TRACE("(pUnkOuter=%p, riid=%p, ppv=%p)\n", pUnkOuter, riid, ppv);
1201     return CreateUnixFolder(pUnkOuter, riid, ppv, PATHMODE_UNIX);
1202 }
1203
1204 HRESULT WINAPI UnixDosFolder_Constructor(IUnknown *pUnkOuter, REFIID riid, LPVOID *ppv) {
1205     TRACE("(pUnkOuter=%p, riid=%p, ppv=%p)\n", pUnkOuter, riid, ppv);
1206     return CreateUnixFolder(pUnkOuter, riid, ppv, PATHMODE_DOS);
1207 }
1208
1209 /******************************************************************************
1210  * UnixSubFolderIterator
1211  *
1212  * Class whose heap based objects represent iterators over the sub-directories
1213  * of a given UnixFolder object.
1214  */
1215
1216 /* UnixSubFolderIterator object layout and typedef.
1217  */
1218 typedef struct _UnixSubFolderIterator {
1219     const IEnumIDListVtbl *lpIEnumIDListVtbl;
1220     ULONG m_cRef;
1221     UnixFolder *m_pUnixFolder;
1222     ULONG m_cIdx;
1223     SHCONTF m_fFilter;
1224 } UnixSubFolderIterator;
1225
1226 static void UnixSubFolderIterator_Destroy(UnixSubFolderIterator *iterator) {
1227     TRACE("(iterator=%p)\n", iterator);
1228
1229     UnixFolder_IShellFolder2_Release((IShellFolder2*)iterator->m_pUnixFolder);
1230     SHFree(iterator);
1231 }
1232
1233 static HRESULT WINAPI UnixSubFolderIterator_IEnumIDList_QueryInterface(IEnumIDList* iface,
1234     REFIID riid, void** ppv)
1235 {
1236     TRACE("(iface=%p, riid=%p, ppv=%p)\n", iface, riid, ppv);
1237
1238     if (!ppv) return E_INVALIDARG;
1239
1240     if (IsEqualIID(&IID_IUnknown, riid) || IsEqualIID(&IID_IEnumIDList, riid)) {
1241         *ppv = iface;
1242     } else {
1243         *ppv = NULL;
1244         return E_NOINTERFACE;
1245     }
1246
1247     IEnumIDList_AddRef(iface);
1248     return S_OK;
1249 }
1250
1251 static ULONG WINAPI UnixSubFolderIterator_IEnumIDList_AddRef(IEnumIDList* iface)
1252 {
1253     UnixSubFolderIterator *This = ADJUST_THIS(UnixSubFolderIterator, IEnumIDList, iface);
1254
1255     TRACE("(iface=%p)\n", iface);
1256
1257     return InterlockedIncrement(&This->m_cRef);
1258 }
1259
1260 static ULONG WINAPI UnixSubFolderIterator_IEnumIDList_Release(IEnumIDList* iface)
1261 {
1262     UnixSubFolderIterator *This = ADJUST_THIS(UnixSubFolderIterator, IEnumIDList, iface);
1263     ULONG cRef;
1264
1265     TRACE("(iface=%p)\n", iface);
1266
1267     cRef = InterlockedDecrement(&This->m_cRef);
1268
1269     if (!cRef)
1270         UnixSubFolderIterator_Destroy(This);
1271
1272     return cRef;
1273 }
1274
1275 static HRESULT WINAPI UnixSubFolderIterator_IEnumIDList_Next(IEnumIDList* iface, ULONG celt,
1276     LPITEMIDLIST* rgelt, ULONG* pceltFetched)
1277 {
1278     UnixSubFolderIterator *This = ADJUST_THIS(UnixSubFolderIterator, IEnumIDList, iface);
1279     ULONG i;
1280
1281     TRACE("(iface=%p, celt=%ld, rgelt=%p, pceltFetched=%p)\n", iface, celt, rgelt, pceltFetched);
1282
1283     for (i=0; (i < celt) && (This->m_cIdx < This->m_pUnixFolder->m_cSubDirs); This->m_cIdx++) {
1284         LPITEMIDLIST pCurrent = This->m_pUnixFolder->m_apidlSubDirs[This->m_cIdx];
1285         if (UNIXFS_is_pidl_of_type(pCurrent, This->m_fFilter)) {
1286             rgelt[i] = ILClone(pCurrent);
1287             i++;
1288         }
1289     }
1290
1291     if (pceltFetched)
1292         *pceltFetched = i;
1293
1294     return i == celt ? S_OK : S_FALSE;
1295 }
1296
1297 static HRESULT WINAPI UnixSubFolderIterator_IEnumIDList_Skip(IEnumIDList* iface, ULONG celt)
1298 {
1299     UnixSubFolderIterator *This = ADJUST_THIS(UnixSubFolderIterator, IEnumIDList, iface);
1300     ULONG i;
1301
1302     TRACE("(iface=%p, celt=%ld)\n", iface, celt);
1303
1304     for (i=0; i < celt; i++) {
1305         while (This->m_cIdx < This->m_pUnixFolder->m_cSubDirs &&
1306                !UNIXFS_is_pidl_of_type(This->m_pUnixFolder->m_apidlSubDirs[This->m_cIdx], This->m_fFilter))
1307         {
1308             This->m_cIdx++;
1309         }
1310         This->m_cIdx++;
1311     }
1312
1313     if (This->m_cIdx > This->m_pUnixFolder->m_cSubDirs) {
1314         This->m_cIdx = This->m_pUnixFolder->m_cSubDirs;
1315         return S_FALSE;
1316     } else {
1317         return S_OK;
1318     }
1319 }
1320
1321 static HRESULT WINAPI UnixSubFolderIterator_IEnumIDList_Reset(IEnumIDList* iface)
1322 {
1323     UnixSubFolderIterator *This = ADJUST_THIS(UnixSubFolderIterator, IEnumIDList, iface);
1324
1325     TRACE("(iface=%p)\n", iface);
1326
1327     This->m_cIdx = 0;
1328
1329     return S_OK;
1330 }
1331
1332 static HRESULT WINAPI UnixSubFolderIterator_IEnumIDList_Clone(IEnumIDList* This,
1333     IEnumIDList** ppenum)
1334 {
1335     TRACE("stub\n");
1336     return E_NOTIMPL;
1337 }
1338
1339 /* VTable for UnixSubFolderIterator's IEnumIDList interface.
1340  */
1341 static const IEnumIDListVtbl UnixSubFolderIterator_IEnumIDList_Vtbl = {
1342     UnixSubFolderIterator_IEnumIDList_QueryInterface,
1343     UnixSubFolderIterator_IEnumIDList_AddRef,
1344     UnixSubFolderIterator_IEnumIDList_Release,
1345     UnixSubFolderIterator_IEnumIDList_Next,
1346     UnixSubFolderIterator_IEnumIDList_Skip,
1347     UnixSubFolderIterator_IEnumIDList_Reset,
1348     UnixSubFolderIterator_IEnumIDList_Clone
1349 };
1350
1351 static IUnknown *UnixSubFolderIterator_Construct(UnixFolder *pUnixFolder, SHCONTF fFilter) {
1352     UnixSubFolderIterator *iterator;
1353
1354     TRACE("(pUnixFolder=%p)\n", pUnixFolder);
1355
1356     iterator = SHAlloc((ULONG)sizeof(UnixSubFolderIterator));
1357     iterator->lpIEnumIDListVtbl = &UnixSubFolderIterator_IEnumIDList_Vtbl;
1358     iterator->m_cRef = 0;
1359     iterator->m_cIdx = 0;
1360     iterator->m_pUnixFolder = pUnixFolder;
1361     iterator->m_fFilter = fFilter;
1362
1363     UnixSubFolderIterator_IEnumIDList_AddRef((IEnumIDList*)iterator);
1364     UnixFolder_IShellFolder2_AddRef((IShellFolder2*)pUnixFolder);
1365
1366     return (IUnknown*)iterator;
1367 }