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