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 "winternl.h"
  46 #include "wine/debug.h"
  47
  48 #include "shell32_main.h"
  49 #include "shfldr.h"
  50 #include "shresdef.h"
  51 #include "pidl.h"
  52
  53 WINE_DEFAULT_DEBUG_CHANNEL(shell);
  54
  55 const GUID CLSID_UnixFolder = {0xcc702eb2, 0x7dc5, 0x11d9, {0xc6, 0x87, 0x00, 0x04, 0x23, 0x8a, 0x01, 0xcd}};
  56 const GUID CLSID_UnixDosFolder = {0x9d20aae8, 0x0625, 0x44b0, {0x9c, 0xa7, 0x71, 0x88, 0x9c, 0x22, 0x54, 0xd9}};
  57
  58 #define ADJUST_THIS(c,m,p) ((c*)(((long)p)-(long)&(((c*)0)->lp##m##Vtbl)))
  59 #define STATIC_CAST(i,p) ((i*)&p->lp##i##Vtbl)
  60
  61 /* FileStruct reserves one byte for szNames, thus we don't have to
  62  * alloc a byte for the terminating '\0' of 'name'. Two of the
  63  * additional bytes are for SHITEMID's cb field. One is for IDLDATA's
  64  * type field. One is for FileStruct's szNames field, to terminate
  65  * the alternate DOS name, which we don't use here. And then there's
  66  * the additional StatStruct.
  67  */
  68 #define SHITEMID_LEN_FROM_NAME_LEN(n) \
  69     (sizeof(USHORT)+sizeof(PIDLTYPE)+sizeof(FileStruct)+(n)+sizeof(char)+sizeof(StatStruct))
  70 #define NAME_LEN_FROM_LPSHITEMID(s) \
  71     (((LPSHITEMID)s)->cb-sizeof(USHORT)-sizeof(PIDLTYPE)-sizeof(FileStruct)-sizeof(char)-sizeof(StatStruct))
  72 #define LPSTATSTRUCT_FROM_LPSHITEMID(s) ((StatStruct*)(((LPBYTE)s)+((LPSHITEMID)s)->cb-sizeof(StatStruct)))
  73
  74 #define PATHMODE_UNIX 0
  75 #define PATHMODE_DOS  1
  76
  77 /* This structure is appended to shell32's FileStruct type in IDLs to store unix
  78  * filesystem specific informationen extracted with the stat system call.
  79  */
  80 typedef struct tagStatStruct {
  81     mode_t st_mode;
  82     uid_t  st_uid;
  83     gid_t  st_gid;
  84 } StatStruct;
  85
  86 /* UnixFolder object layout and typedef.
  87  */
  88 typedef struct _UnixFolder {
  89     const IShellFolder2Vtbl  *lpIShellFolder2Vtbl;
  90     const IPersistFolder2Vtbl *lpIPersistFolder2Vtbl;
  91     ULONG m_cRef;
  92     CHAR *m_pszPath;
  93     LPITEMIDLIST m_pidlLocation;
  94     LPITEMIDLIST *m_apidlSubDirs;
  95     DWORD m_cSubDirs;
  96     DWORD m_dwPathMode;
  97 } UnixFolder;
  98
  99 /******************************************************************************
 100  * UNIXFS_is_pidl_of_type [INTERNAL]
 101  *
 102  * Checks for the first SHITEMID of an ITEMIDLIST if it passes a filter.
 103  *
 104  * PARAMS
 105  *  pIDL    [I] The ITEMIDLIST to be checked.
 106  *  fFilter [I] Shell condition flags, which specify the filter.
 107  *
 108  * RETURNS
 109  *  TRUE, if pIDL is accepted by fFilter
 110  *  FALSE, otherwise
 111  */
 112 static inline BOOL UNIXFS_is_pidl_of_type(LPITEMIDLIST pIDL, SHCONTF fFilter) {
 113     LPSTR pszText = _ILGetTextPointer(pIDL);
 114     if (!pszText) return FALSE;
 115     if (pszText[0] == '.' && !(fFilter & SHCONTF_INCLUDEHIDDEN)) return FALSE;
 116     if (_ILIsFolder(pIDL) && (fFilter & SHCONTF_FOLDERS)) return TRUE;
 117     if (_ILIsValue(pIDL) && (fFilter & SHCONTF_NONFOLDERS)) return TRUE;
 118     return FALSE;
 119 }
 120
 121 /******************************************************************************
 122  * UNIXFS_build_shitemid [Internal]
 123  *
 124  * Constructs a new SHITEMID for a single path item (up to the next '/' or
 125  * '\0') into a buffer. Decorates the SHITEMID with information from a stat
 126  * system call.
 127  *
 128  * PARAMS
 129  *  name   [I] The name of the next path item. Terminated by either '\0' or '/'.
 130  *  pStat  [I] A stat struct variable obtained by a stat system call on the file.
 131  *  buffer [O] SHITEMID will be constructed here.
 132  *
 133  * RETURNS
 134  *  A pointer to the next '/' or '\0' character in name.
 135  *
 136  * NOTES
 137  *  Minimum size of buffer is SHITEMID_LEN_FROM_NAME_LEN(strlen(name)).
 138  *  If what you need is a PIDLLIST with a single SHITEMID, don't forget to append
 139  *  a 0 USHORT value.
 140  */
 141 static char* UNIXFS_build_shitemid(char *name, struct stat *pStat, void *buffer) {
 142     LARGE_INTEGER time;
 143     FILETIME fileTime;
 144     LPPIDLDATA pIDLData;
 145     StatStruct *pStatStruct;
 146     int cNameLen;
 147     char *pSlash;
 148
 149     TRACE("(name=%s, pStat=%p, buffer=%p)\n", debugstr_a(name), pStat, buffer);
 150
 151     pSlash = strchr(name, '/');
 152     cNameLen = pSlash ? pSlash - name : strlen(name);
 153
 154     memset(buffer, 0, SHITEMID_LEN_FROM_NAME_LEN(cNameLen));
 155     ((LPSHITEMID)buffer)->cb = SHITEMID_LEN_FROM_NAME_LEN(cNameLen) ;
 156
 157     pIDLData = _ILGetDataPointer((LPCITEMIDLIST)buffer);
 158     pIDLData->type = S_ISDIR(pStat->st_mode) ? PT_FOLDER : PT_VALUE;
 159     pIDLData->u.file.dwFileSize = (DWORD)pStat->st_size;
 160     RtlSecondsSince1970ToTime( pStat->st_mtime, &time );
 161     fileTime.dwLowDateTime = time.u.LowPart;
 162     fileTime.dwHighDateTime = time.u.HighPart;
 163     FileTimeToDosDateTime(&fileTime, &pIDLData->u.file.uFileDate, &pIDLData->u.file.uFileTime);
 164     pIDLData->u.file.uFileAttribs =
 165         (S_ISDIR(pStat->st_mode) ? FILE_ATTRIBUTE_DIRECTORY : 0) |
 166         (name[0] == '.' ? FILE_ATTRIBUTE_HIDDEN : 0);
 167     memcpy(pIDLData->u.file.szNames, name, cNameLen);
 168
 169     pStatStruct = LPSTATSTRUCT_FROM_LPSHITEMID(buffer);
 170     pStatStruct->st_mode = pStat->st_mode;
 171     pStatStruct->st_uid = pStat->st_uid;
 172     pStatStruct->st_gid = pStat->st_gid;
 173
 174     return pSlash ? pSlash+1 : (name + cNameLen);
 175 }
 176
 177 /******************************************************************************
 178  * UNIXFS_get_unix_path [Internal]
 179  *
 180  * Convert an absolute dos path to an absolute canonicalized unix path.
 181  * Evaluate "/.", "/.." and symbolic links.
 182  *
 183  * PARAMS
 184  *  pszDosPath       [I] An absolute dos path
 185  *  pszCanonicalPath [O] Buffer of length FILENAME_MAX. Will receive the canonical path.
 186  *
 187  * RETURNS
 188  *  Success, TRUE
 189  *  Failure, FALSE - Path not existent, too long, insufficient rights, to many symlinks
 190  */
 191 static BOOL UNIXFS_get_unix_path(LPCWSTR pszDosPath, char *pszCanonicalPath)
 192 {
 193     char *pPathTail, *pElement, *pCanonicalTail, szPath[FILENAME_MAX], *pszUnixPath;
 194     struct stat fileStat;
 195
 196     TRACE("(pszDosPath=%s, pszCanonicalPath=%p)\n", debugstr_w(pszDosPath), pszCanonicalPath);
 197
 198     if (!pszDosPath || pszDosPath[1] != ':')
 199         return FALSE;
 200
 201     pszUnixPath = wine_get_unix_file_name(pszDosPath);
 202     if (!pszUnixPath) return FALSE;
 203     strcpy(szPath, pszUnixPath);
 204     HeapFree(GetProcessHeap(), 0, pszUnixPath);
 205
 206     /* pCanonicalTail always points to the end of the canonical path constructed
 207      * thus far. pPathTail points to the still to be processed part of the input
 208      * path. pElement points to the path element currently investigated.
 209      */
 210     *pszCanonicalPath = '\0';
 211     pCanonicalTail = pszCanonicalPath;
 212     pPathTail = szPath;
 213
 214     do {
 215         char cTemp;
 216         int cLinks = 0;
 217
 218         pElement = pPathTail;
 219         pPathTail = strchr(pPathTail+1, '/');
 220         if (!pPathTail) /* Last path element may not be terminated by '/'. */
 221             pPathTail = pElement + strlen(pElement);
 222         /* Temporarily terminate the current path element. Will be restored later. */
 223         cTemp = *pPathTail;
 224         *pPathTail = '\0';
 225
 226         /* Skip "/." path elements */
 227         if (!strcmp("/.", pElement)) {
 228             *pPathTail = cTemp;
 229             continue;
 230         }
 231
 232         /* Remove last element in canonical path for "/.." elements, then skip. */
 233         if (!strcmp("/..", pElement)) {
 234             char *pTemp = strrchr(pszCanonicalPath, '/');
 235             if (pTemp)
 236                 pCanonicalTail = pTemp;
 237             *pCanonicalTail = '\0';
 238             *pPathTail = cTemp;
 239             continue;
 240         }
 241
 242         /* lstat returns zero on success. */
 243         if (lstat(szPath, &fileStat))
 244             return FALSE;
 245
 246         if (S_ISLNK(fileStat.st_mode)) {
 247             char szSymlink[FILENAME_MAX];
 248             int cLinkLen, cTailLen;
 249
 250             /* Avoid infinite loop for recursive links. */
 251             if (++cLinks > 64)
 252                 return FALSE;
 253
 254             cLinkLen = readlink(szPath, szSymlink, FILENAME_MAX);
 255             if (cLinkLen < 0)
 256                 return FALSE;
 257
 258             *pPathTail = cTemp;
 259             cTailLen = strlen(pPathTail);
 260
 261             if (szSymlink[0] == '/') {
 262                 /* Absolute link. Copy to szPath, concat remaining path and start all over. */
 263                 if (cLinkLen + cTailLen + 1 > FILENAME_MAX)
 264                     return FALSE;
 265
 266                 memcpy(szSymlink + cLinkLen, pPathTail, cTailLen + 1);
 267                 memcpy(szPath, szSymlink, cLinkLen + cTailLen + 1);
 268                 *pszCanonicalPath = '\0';
 269                     pCanonicalTail = pszCanonicalPath;
 270                     pPathTail = szPath;
 271             } else {
 272                 /* Relative link. Expand into szPath and continue. */
 273                 char szTemp[FILENAME_MAX];
 274                 int cTailLen = strlen(pPathTail);
 275
 276                 if (pElement - szPath + 1 + cLinkLen + cTailLen + 1 > FILENAME_MAX)
 277                     return FALSE;
 278
 279                 memcpy(szTemp, pPathTail, cTailLen + 1);
 280                 memcpy(pElement + 1, szSymlink, cLinkLen);
 281                 memcpy(pElement + 1 + cLinkLen, szTemp, cTailLen + 1);
 282                 pPathTail = pElement;
 283             }
 284         } else {
 285             /* Regular directory or file. Copy to canonical path */
 286             if (pCanonicalTail - pszCanonicalPath + pPathTail - pElement + 1 > FILENAME_MAX)
 287                 return FALSE;
 288
 289             memcpy(pCanonicalTail, pElement, pPathTail - pElement + 1);
 290             pCanonicalTail += pPathTail - pElement;
 291             *pPathTail = cTemp;
 292         }
 293     } while (pPathTail[0] == '/' && pPathTail[1]); /* Also handles paths terminated by '/' */
 294
 295     TRACE("--> %s\n", debugstr_a(pszCanonicalPath));
 296
 297     return TRUE;
 298 }
 299
 300 /******************************************************************************
 301  * UNIXFS_path_to_pidl [Internal]
 302  *
 303  * PARAMS
 304  *  pUnixFolder [I] If path is relative, pUnixFolder represents the base path
 305  *  path        [I] An absolute unix or dos path or a path relativ to pUnixFolder
 306  *  ppidl       [O] The corresponding ITEMIDLIST. Release with SHFree/ILFree
 307  *
 308  * RETURNS
 309  *  Success: TRUE
 310  *  Failure: FALSE, invalid params or out of memory
 311  *
 312  * NOTES
 313  *  pUnixFolder also carries the information if the path is expected to be unix or dos.
 314  */
 315 static BOOL UNIXFS_path_to_pidl(UnixFolder *pUnixFolder, const WCHAR *path, LPITEMIDLIST *ppidl) {
 316     LPITEMIDLIST pidl;
 317     struct stat fileStat;
 318     int cSubDirs, cPidlLen, res, cPathLen;
 319     char *pSlash, szCompletePath[FILENAME_MAX], *pNextPathElement;
 320
 321     TRACE("pUnixFolder=%p, path=%s, ppidl=%p\n", pUnixFolder, debugstr_w(path), ppidl);
 322
 323     if (!ppidl || !path)
 324         return FALSE;
 325
 326     cPathLen = lstrlenW(path);
 327
 328     /* Build an absolute path and let pNextPathElement point to the interesting
 329      * relative sub-path. We need the absolute path to call 'stat', but the pidl
 330      * will only contain the relative part.
 331      */
 332     if ((pUnixFolder->m_dwPathMode == PATHMODE_DOS) && (path[1] == ':'))
 333     {
 334         /* Absolute dos path. Convert to unix */
 335         if (!UNIXFS_get_unix_path(path, szCompletePath))
 336             return FALSE;
 337         pNextPathElement = szCompletePath + 1;
 338     }
 339     else if ((pUnixFolder->m_dwPathMode == PATHMODE_UNIX) && (path[0] == '/'))
 340     {
 341         /* Absolute unix path. Just convert to ANSI. */
 342         WideCharToMultiByte(CP_ACP, 0, path, -1, szCompletePath, FILENAME_MAX, NULL, NULL);
 343         pNextPathElement = szCompletePath + 1;
 344     }
 345     else
 346     {
 347         /* Relative dos or unix path. Concat with this folder's path */
 348         int cBasePathLen = strlen(pUnixFolder->m_pszPath);
 349         memcpy(szCompletePath, pUnixFolder->m_pszPath, cBasePathLen);
 350         WideCharToMultiByte(CP_ACP, 0, path, -1, szCompletePath + cBasePathLen,
 351                             FILENAME_MAX - cBasePathLen, NULL, NULL);
 352         pNextPathElement = szCompletePath + cBasePathLen;
 353
 354         /* If in dos mode, replace '\' with '/' */
 355         if (pUnixFolder->m_dwPathMode == PATHMODE_DOS) {
 356             char *pBackslash = strchr(pNextPathElement, '\\');
 357             while (pBackslash) {
 358                 *pBackslash = '/';
 359                 pBackslash = strchr(pBackslash, '\\');
 360             }
 361         }
 362     }
 363
 364     /* At this point, we have an absolute unix path in szCompletePath. */
 365     TRACE("complete path: %s\n", szCompletePath);
 366
 367     /* Count the number of sub-directories in the path */
 368     cSubDirs = 1; /* Path may not be terminated with '/', thus start with 1 */
 369     pSlash = strchr(pNextPathElement, '/');
 370     while (pSlash && pSlash[1]) {
 371         cSubDirs++;
 372         pSlash = strchr(pSlash+1, '/');
 373     }
 374
 375     /* Allocate enough memory to hold the path. The -cSubDirs is for the '/'
 376      * characters, which are not stored in the ITEMIDLIST. */
 377     cPidlLen = strlen(pNextPathElement) - cSubDirs + 1 + cSubDirs * SHITEMID_LEN_FROM_NAME_LEN(0) + sizeof(USHORT);
 378     *ppidl = pidl = (LPITEMIDLIST)SHAlloc(cPidlLen);
 379     if (!pidl) return FALSE;
 380
 381     /* Concatenate the SHITEMIDs of the sub-directories. */
 382     while (*pNextPathElement) {
 383         pSlash = strchr(pNextPathElement, '/');
 384         if (pSlash) {
 385             *pSlash = '\0';
 386             res = stat(szCompletePath, &fileStat);
 387             *pSlash = '/';
 388             if (res) {
 389                 SHFree(pidl);
 390                 return FALSE;
 391             }
 392         } else {
 393             if (stat(szCompletePath, &fileStat)) {
 394                 SHFree(pidl);
 395                 return FALSE;
 396             }
 397         }
 398
 399         pNextPathElement = UNIXFS_build_shitemid(pNextPathElement, &fileStat, pidl);
 400         pidl = ILGetNext(pidl);
 401     }
 402     pidl->mkid.cb = 0; /* Terminate the ITEMIDLIST */
 403
 404     if ((int)pidl-(int)*ppidl+sizeof(USHORT) > cPidlLen) /* We've corrupted the heap :( */
 405         ERR("Computed length of pidl to small. Please report.\n");
 406
 407     return TRUE;
 408 }
 409
 410 /******************************************************************************
 411  * UNIXFS_pidl_to_path [Internal]
 412  *
 413  * Construct the unix path that corresponds to a fully qualified ITEMIDLIST
 414  *
 415  * PARAMS
 416  *  pidl [I] ITEMIDLIST that specifies the absolute location of the folder
 417  *  path [O] The corresponding unix path as a zero terminated ascii string
 418  *
 419  * RETURNS
 420  *  Success: TRUE
 421  *  Failure: FALSE, pidl doesn't specify a unix path or out of memory
 422  */
 423 static BOOL UNIXFS_pidl_to_path(LPCITEMIDLIST pidl, UnixFolder *pUnixFolder) {
 424     LPCITEMIDLIST current = pidl, root;
 425     DWORD dwPathLen;
 426     char *pNextDir, szBasePath[FILENAME_MAX] = "/";
 427
 428     TRACE("(pidl=%p, pUnixFolder=%p)\n", pidl, pUnixFolder);
 429     pdump(pidl);
 430
 431     pUnixFolder->m_pszPath = NULL;
 432
 433     /* Find the UnixFolderClass root */
 434     while (current->mkid.cb) {
 435         if (_ILIsDrive(current) || /* The dos drive, which maps to '/' */
 436             (_ILIsSpecialFolder(current) &&
 437              (IsEqualIID(&CLSID_UnixFolder, _ILGetGUIDPointer(current)) ||
 438               IsEqualIID(&CLSID_UnixDosFolder, _ILGetGUIDPointer(current)))))
 439         {
 440             break;
 441         }
 442         current = ILGetNext(current);
 443     }
 444
 445     if (current && current->mkid.cb) {
 446         root = current = ILGetNext(current);
 447         dwPathLen = 2; /* For the '/' prefix and the terminating '\0' */
 448     } else if (_ILIsDesktop(pidl) || _ILIsValue(pidl) || _ILIsFolder(pidl)) {
 449         /* Path rooted at Desktop */
 450         WCHAR wszDesktopPath[MAX_PATH];
 451         if (FAILED(SHGetSpecialFolderPathW(0, wszDesktopPath, CSIDL_DESKTOP, FALSE)))
 452            return FALSE;
 453         if (!UNIXFS_get_unix_path(wszDesktopPath, szBasePath))
 454             return FALSE;
 455         dwPathLen = strlen(szBasePath) + 1;
 456         root = current;
 457     } else {
 458         ERR("Unknown pidl type!\n");
 459         pdump(pidl);
 460         return FALSE;
 461     }
 462
 463     /* Determine the path's length bytes */
 464     while (current && current->mkid.cb) {
 465         dwPathLen += NAME_LEN_FROM_LPSHITEMID(current) + 1; /* For the '/' */
 466         current = ILGetNext(current);
 467     };
 468
 469     /* Build the path */
 470     pUnixFolder->m_pszPath = pNextDir = SHAlloc(dwPathLen);
 471     if (!pUnixFolder->m_pszPath) {
 472         WARN("SHAlloc failed!\n");
 473         return FALSE;
 474     }
 475     current = root;
 476     strcpy(pNextDir, szBasePath);
 477     pNextDir += strlen(szBasePath);
 478     while (current && current->mkid.cb) {
 479         memcpy(pNextDir, _ILGetTextPointer(current), NAME_LEN_FROM_LPSHITEMID(current));
 480         pNextDir += NAME_LEN_FROM_LPSHITEMID(current);
 481         *pNextDir++ = '/';
 482         current = ILGetNext(current);
 483     }
 484     *pNextDir='\0';
 485
 486     TRACE("--> %s\n", pUnixFolder->m_pszPath);
 487     return TRUE;
 488 }
 489
 490 /******************************************************************************
 491  * UNIXFS_build_subfolder_pidls [Internal]
 492  *
 493  * Builds an array of subfolder PIDLs relative to a unix directory
 494  *
 495  * PARAMS
 496  *  path   [I] Name of a unix directory as a zero terminated ascii string
 497  *  apidl  [O] The array of PIDLs
 498  *  pCount [O] Size of apidl
 499  *
 500  * RETURNS
 501  *  Success: TRUE
 502  *  Failure: FALSE, path is not a valid unix directory or out of memory
 503  *
 504  * NOTES
 505  *  The array of PIDLs and each PIDL are allocated with SHAlloc. You'll have
 506  *  to release each PIDL as well as the array itself with SHFree.
 507  */
 508 static BOOL UNIXFS_build_subfolder_pidls(UnixFolder *pUnixFolder)
 509 {
 510     struct dirent *pDirEntry;
 511     struct stat fileStat;
 512     DIR *dir;
 513     DWORD cDirEntries, i;
 514     USHORT sLen;
 515     char *pszFQPath;
 516
 517     TRACE("(pUnixFolder=%p)\n", pUnixFolder);
 518
 519     pUnixFolder->m_apidlSubDirs = NULL;
 520     pUnixFolder->m_cSubDirs = 0;
 521
 522     dir = opendir(pUnixFolder->m_pszPath);
 523     if (!dir) {
 524         WARN("Failed to open directory '%s'.\n", pUnixFolder->m_pszPath);
 525         return FALSE;
 526     }
 527
 528     /* Allocate space for fully qualified paths */
 529     pszFQPath = SHAlloc(strlen(pUnixFolder->m_pszPath) + PATH_MAX);
 530     if (!pszFQPath) {
 531         WARN("SHAlloc failed!\n");
 532         return FALSE;
 533     }
 534
 535     /* Count number of directory entries. */
 536     for (cDirEntries = 0, pDirEntry = readdir(dir); pDirEntry; pDirEntry = readdir(dir)) {
 537         if (!strcmp(pDirEntry->d_name, ".") || !strcmp(pDirEntry->d_name, "..")) continue;
 538         sprintf(pszFQPath, "%s%s", pUnixFolder->m_pszPath, pDirEntry->d_name);
 539         if (!stat(pszFQPath, &fileStat) && (S_ISDIR(fileStat.st_mode) || S_ISREG(fileStat.st_mode))) cDirEntries++;
 540     }
 541
 542     /* If there are no entries, we are done. */
 543     if (cDirEntries == 0) {
 544         closedir(dir);
 545         SHFree(pszFQPath);
 546         return TRUE;
 547     }
 548
 549     /* Allocate the array of PIDLs */
 550     pUnixFolder->m_apidlSubDirs = SHAlloc(cDirEntries * sizeof(LPITEMIDLIST));
 551     if (!pUnixFolder->m_apidlSubDirs) {
 552         WARN("SHAlloc failed!\n");
 553         return FALSE;
 554     }
 555
 556     /* Allocate and initialize one SHITEMID per sub-directory. */
 557     for (rewinddir(dir), pDirEntry = readdir(dir), i = 0; pDirEntry; pDirEntry = readdir(dir)) {
 558         LPSHITEMID pid;
 559
 560         if (!strcmp(pDirEntry->d_name, ".") || !strcmp(pDirEntry->d_name, "..")) continue;
 561
 562         sprintf(pszFQPath, "%s%s", pUnixFolder->m_pszPath, pDirEntry->d_name);
 563         if (stat(pszFQPath, &fileStat)) continue;
 564         if (!S_ISDIR(fileStat.st_mode) && !S_ISREG(fileStat.st_mode)) continue;
 565
 566         sLen = strlen(pDirEntry->d_name);
 567         pid = (LPSHITEMID)SHAlloc(SHITEMID_LEN_FROM_NAME_LEN(sLen)+sizeof(USHORT));
 568         if (!pid) {
 569             WARN("SHAlloc failed!\n");
 570             return FALSE;
 571         }
 572         UNIXFS_build_shitemid(pDirEntry->d_name, &fileStat, pid);
 573         memset(((PBYTE)pid)+pid->cb, 0, sizeof(USHORT));
 574
 575         pUnixFolder->m_apidlSubDirs[i++] = (LPITEMIDLIST)pid;
 576     }
 577
 578     pUnixFolder->m_cSubDirs = i;
 579     closedir(dir);
 580     SHFree(pszFQPath);
 581
 582     return TRUE;
 583 }
 584
 585 /******************************************************************************
 586  * UnixFolderIcon
 587  *
 588  * Singleton class, which is used by the shell to extract icons to represent
 589  * folders in tree- and listviews. Currently, all this singleton does is to
 590  * provide the shell with the absolute path to "shell32.dll" and with the
 591  * indices of the closed and opened folder icons in the resources of this dll.
 592  */
 593
 594 /* UnixFolderIcon object layout and typedef.
 595  */
 596 typedef struct _UnixFolderIcon {
 597     const IExtractIconWVtbl *lpIExtractIconWVtbl;
 598     BOOL bFolder;
 599 } UnixFolderIcon;
 600
 601 static HRESULT WINAPI UnixFolderIcon_IExtractIconW_QueryInterface(IExtractIconW *iface, REFIID riid,
 602     void **ppv)
 603 {
 604     TRACE("(iface=%p, riid=%p, ppv=%p)\n", iface, riid, ppv);
 605
 606     if (!ppv) return E_INVALIDARG;
 607
 608     if (IsEqualIID(&IID_IUnknown, riid) ||
 609         IsEqualIID(&IID_IExtractIconW, riid))
 610     {
 611         *ppv = iface;
 612     } else {
 613         *ppv = NULL;
 614         return E_NOINTERFACE;
 615     }
 616
 617     IExtractIconW_AddRef(iface);
 618     return S_OK;
 619 }
 620
 621 static ULONG WINAPI UnixFolderIcon_IExtractIconW_AddRef(IExtractIconW *iface) {
 622     TRACE("(iface=%p)\n", iface);
 623     return 2;
 624 }
 625
 626 static ULONG WINAPI UnixFolderIcon_IExtractIconW_Release(IExtractIconW *iface) {
 627     TRACE("(iface=%p)\n", iface);
 628     return 1;
 629 }
 630
 631 static HRESULT WINAPI UnixFolderIcon_IExtractIconW_GetIconLocation(IExtractIconW *iface,
 632     UINT uFlags, LPWSTR szIconFile, UINT cchMax, INT* piIndex, UINT* pwFlags)
 633 {
 634     UnixFolderIcon *This = ADJUST_THIS(UnixFolderIcon, IExtractIconW, iface);
 635
 636     TRACE("(iface=%p, uFlags=%u, szIconFile=%s, cchMax=%u, piIndex=%p, pwFlags=%p)\n",
 637             iface, uFlags, debugstr_w(szIconFile), cchMax, piIndex, pwFlags);
 638
 639     lstrcpynW(szIconFile, swShell32Name, cchMax);
 640     if (This->bFolder) {
 641         *piIndex = (uFlags & GIL_OPENICON) ? -IDI_SHELL_FOLDER_OPEN : -IDI_SHELL_FOLDER;
 642     } else {
 643         *piIndex = -IDI_SHELL_DOCUMENT;
 644     }
 645     *pwFlags = 0;
 646
 647     return S_OK;
 648 }
 649
 650 static HRESULT WINAPI UnixFolderIcon_IExtractIconW_Extract(
 651     IExtractIconW *iface, LPCWSTR pszFile, UINT nIconIndex, HICON* phiconLarge, HICON* phiconSmall,
 652     UINT nIconSize)
 653 {
 654     TRACE("(iface=%p, pszFile=%s, nIconIndex=%u, phiconLarge=%p, phiconSmall=%p, nIconSize=%u)"
 655           "stub\n", iface, debugstr_w(pszFile), nIconIndex, phiconLarge, phiconSmall, nIconSize);
 656
 657     return E_NOTIMPL;
 658 }
 659
 660 /* VTable for the IExtractIconW interface of the UnixFolderIcon class.
 661  */
 662 static const IExtractIconWVtbl UnixFolderIcon_IExtractIconW_Vtbl = {
 663     UnixFolderIcon_IExtractIconW_QueryInterface,
 664     UnixFolderIcon_IExtractIconW_AddRef,
 665     UnixFolderIcon_IExtractIconW_Release,
 666     UnixFolderIcon_IExtractIconW_GetIconLocation,
 667     UnixFolderIcon_IExtractIconW_Extract
 668 };
 669
 670 /* The singleton instance
 671  */
 672 UnixFolderIcon UnixFolderIconSingleton = { &UnixFolderIcon_IExtractIconW_Vtbl, TRUE };
 673 UnixFolderIcon UnixDocumentIconSingleton = { &UnixFolderIcon_IExtractIconW_Vtbl, FALSE };
 674
 675 /******************************************************************************
 676  * UnixFolder
 677  *
 678  * Class whose heap based instances represent unix filesystem directories.
 679  */
 680
 681 static void UnixFolder_Destroy(UnixFolder *pUnixFolder) {
 682     DWORD i;
 683
 684     TRACE("(pUnixFolder=%p)\n", pUnixFolder);
 685
 686     if (pUnixFolder->m_apidlSubDirs)
 687         for (i=0; i < pUnixFolder->m_cSubDirs; i++)
 688             SHFree(pUnixFolder->m_apidlSubDirs[i]);
 689     SHFree(pUnixFolder->m_apidlSubDirs);
 690     SHFree(pUnixFolder->m_pszPath);
 691     ILFree(pUnixFolder->m_pidlLocation);
 692     SHFree(pUnixFolder);
 693 }
 694
 695 static HRESULT WINAPI UnixFolder_IShellFolder2_QueryInterface(IShellFolder2 *iface, REFIID riid,
 696     void **ppv)
 697 {
 698     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 699
 700     TRACE("(iface=%p, riid=%p, ppv=%p)\n", iface, riid, ppv);
 701
 702     if (!ppv) return E_INVALIDARG;
 703
 704     if (IsEqualIID(&IID_IUnknown, riid) || IsEqualIID(&IID_IShellFolder, riid) ||
 705         IsEqualIID(&IID_IShellFolder2, riid))
 706     {
 707         *ppv = &This->lpIShellFolder2Vtbl;
 708     } else if (IsEqualIID(&IID_IPersistFolder2, riid) || IsEqualIID(&IID_IPersistFolder, riid) ||
 709                IsEqualIID(&IID_IPersist, riid))
 710     {
 711         *ppv = &This->lpIPersistFolder2Vtbl;
 712     } else {
 713         *ppv = NULL;
 714         return E_NOINTERFACE;
 715     }
 716
 717     IUnknown_AddRef((IUnknown*)*ppv);
 718     return S_OK;
 719 }
 720
 721 static ULONG WINAPI UnixFolder_IShellFolder2_AddRef(IShellFolder2 *iface) {
 722     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 723
 724     TRACE("(iface=%p)\n", iface);
 725
 726     return InterlockedIncrement(&This->m_cRef);
 727 }
 728
 729 static ULONG WINAPI UnixFolder_IShellFolder2_Release(IShellFolder2 *iface) {
 730     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 731     ULONG cRef;
 732
 733     TRACE("(iface=%p)\n", iface);
 734
 735     cRef = InterlockedDecrement(&This->m_cRef);
 736
 737     if (!cRef)
 738         UnixFolder_Destroy(This);
 739
 740     return cRef;
 741 }
 742
 743 static HRESULT WINAPI UnixFolder_IShellFolder2_ParseDisplayName(IShellFolder2* iface, HWND hwndOwner,
 744     LPBC pbcReserved, LPOLESTR lpszDisplayName, ULONG* pchEaten, LPITEMIDLIST* ppidl,
 745     ULONG* pdwAttributes)
 746 {
 747     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 748     BOOL result;
 749
 750     TRACE("(iface=%p, hwndOwner=%p, pbcReserved=%p, lpszDisplayName=%s, pchEaten=%p, ppidl=%p, "
 751           "pdwAttributes=%p) stub\n", iface, hwndOwner, pbcReserved, debugstr_w(lpszDisplayName),
 752           pchEaten, ppidl, pdwAttributes);
 753
 754     result = UNIXFS_path_to_pidl(This, lpszDisplayName, ppidl);
 755     if (result && pdwAttributes && *pdwAttributes)
 756     {
 757         /* need to traverse to the last element for the attribute */
 758         LPCITEMIDLIST pidl, last_pidl;
 759         pidl = last_pidl = *ppidl;
 760         while(pidl && pidl->mkid.cb)
 761         {
 762             last_pidl = pidl;
 763             pidl = ILGetNext(pidl);
 764         }
 765         SHELL32_GetItemAttributes((IShellFolder*)iface, last_pidl, pdwAttributes);
 766     }
 767
 768     if (!result) TRACE("FAILED!\n");
 769     return result ? S_OK : E_FAIL;
 770 }
 771
 772 static IUnknown *UnixSubFolderIterator_Construct(UnixFolder *pUnixFolder, SHCONTF fFilter);
 773
 774 static HRESULT WINAPI UnixFolder_IShellFolder2_EnumObjects(IShellFolder2* iface, HWND hwndOwner,
 775     SHCONTF grfFlags, IEnumIDList** ppEnumIDList)
 776 {
 777     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 778     IUnknown *newIterator;
 779     HRESULT hr;
 780
 781     TRACE("(iface=%p, hwndOwner=%p, grfFlags=%08lx, ppEnumIDList=%p)\n",
 782             iface, hwndOwner, grfFlags, ppEnumIDList);
 783
 784     newIterator = UnixSubFolderIterator_Construct(This, grfFlags);
 785     hr = IUnknown_QueryInterface(newIterator, &IID_IEnumIDList, (void**)ppEnumIDList);
 786     IUnknown_Release(newIterator);
 787
 788     return hr;
 789 }
 790
 791 static HRESULT WINAPI UnixFolder_IShellFolder2_BindToObject(IShellFolder2* iface, LPCITEMIDLIST pidl,
 792     LPBC pbcReserved, REFIID riid, void** ppvOut)
 793 {
 794     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 795     IPersistFolder2 *persistFolder;
 796     LPITEMIDLIST pidlSubFolder;
 797     HRESULT hr;
 798
 799     TRACE("(iface=%p, pidl=%p, pbcReserver=%p, riid=%p, ppvOut=%p)\n",
 800             iface, pidl, pbcReserved, riid, ppvOut);
 801
 802     if (!pidl || !pidl->mkid.cb)
 803         return E_INVALIDARG;
 804
 805     if (This->m_dwPathMode == PATHMODE_DOS)
 806         hr = UnixDosFolder_Constructor(NULL, &IID_IPersistFolder2, (void**)&persistFolder);
 807     else
 808         hr = UnixFolder_Constructor(NULL, &IID_IPersistFolder2, (void**)&persistFolder);
 809
 810     if (!SUCCEEDED(hr)) return hr;
 811     hr = IPersistFolder_QueryInterface(persistFolder, riid, (void**)ppvOut);
 812
 813     pidlSubFolder = ILCombine(This->m_pidlLocation, pidl);
 814     IPersistFolder2_Initialize(persistFolder, pidlSubFolder);
 815     IPersistFolder2_Release(persistFolder);
 816     ILFree(pidlSubFolder);
 817
 818     return hr;
 819 }
 820
 821 static HRESULT WINAPI UnixFolder_IShellFolder2_BindToStorage(IShellFolder2* This, LPCITEMIDLIST pidl,
 822     LPBC pbcReserved, REFIID riid, void** ppvObj)
 823 {
 824     TRACE("stub\n");
 825     return E_NOTIMPL;
 826 }
 827
 828 static HRESULT WINAPI UnixFolder_IShellFolder2_CompareIDs(IShellFolder2* iface, LPARAM lParam,
 829     LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2)
 830 {
 831     BOOL isEmpty1, isEmpty2;
 832     HRESULT hr = E_FAIL;
 833     LPITEMIDLIST firstpidl;
 834     IShellFolder2 *psf;
 835     int compare;
 836
 837     TRACE("(iface=%p, lParam=%ld, pidl1=%p, pidl2=%p)\n", iface, lParam, pidl1, pidl2);
 838
 839     isEmpty1 = !pidl1 || !pidl1->mkid.cb;
 840     isEmpty2 = !pidl2 || !pidl2->mkid.cb;
 841
 842     if (isEmpty1 && isEmpty2)
 843         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, 0);
 844     else if (isEmpty1)
 845         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, (WORD)-1);
 846     else if (isEmpty2)
 847         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, (WORD)1);
 848
 849     if (_ILIsFolder(pidl1) && !_ILIsFolder(pidl2))
 850         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, (WORD)-1);
 851     if (!_ILIsFolder(pidl1) && _ILIsFolder(pidl2))
 852         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, (WORD)1);
 853
 854     compare = CompareStringA(LOCALE_USER_DEFAULT, NORM_IGNORECASE,
 855                              _ILGetTextPointer(pidl1), NAME_LEN_FROM_LPSHITEMID(pidl1),
 856                              _ILGetTextPointer(pidl2), NAME_LEN_FROM_LPSHITEMID(pidl2));
 857
 858     if ((compare == CSTR_LESS_THAN) || (compare == CSTR_GREATER_THAN))
 859         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, (WORD)((compare == CSTR_LESS_THAN)?-1:1));
 860
 861     if (pidl1->mkid.cb < pidl2->mkid.cb)
 862         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, (WORD)-1);
 863     else if (pidl1->mkid.cb > pidl2->mkid.cb)
 864         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, (WORD)1);
 865
 866     firstpidl = ILCloneFirst(pidl1);
 867     pidl1 = ILGetNext(pidl1);
 868     pidl2 = ILGetNext(pidl2);
 869
 870     hr = IShellFolder2_BindToObject(iface, firstpidl, NULL, &IID_IShellFolder, (LPVOID*)&psf);
 871     if (SUCCEEDED(hr)) {
 872         hr = IShellFolder_CompareIDs(psf, lParam, pidl1, pidl2);
 873         IShellFolder2_Release(psf);
 874     }
 875
 876     ILFree(firstpidl);
 877     return hr;
 878 }
 879
 880 static HRESULT WINAPI UnixFolder_IShellFolder2_CreateViewObject(IShellFolder2* iface, HWND hwndOwner,
 881     REFIID riid, void** ppv)
 882 {
 883     HRESULT hr = E_INVALIDARG;
 884
 885     TRACE("(iface=%p, hwndOwner=%p, riid=%p, ppv=%p) stub\n", iface, hwndOwner, riid, ppv);
 886
 887     if (!ppv) return E_INVALIDARG;
 888     *ppv = NULL;
 889
 890     if (IsEqualIID(&IID_IShellView, riid)) {
 891         LPSHELLVIEW pShellView;
 892
 893         pShellView = IShellView_Constructor((IShellFolder*)iface);
 894         if (pShellView) {
 895             hr = IShellView_QueryInterface(pShellView, riid, ppv);
 896             IShellView_Release(pShellView);
 897         }
 898     }
 899
 900     return hr;
 901 }
 902
 903 static HRESULT WINAPI UnixFolder_IShellFolder2_GetAttributesOf(IShellFolder2* iface, UINT cidl,
 904     LPCITEMIDLIST* apidl, SFGAOF* rgfInOut)
 905 {
 906     UINT i;
 907     SFGAOF flags= ~(SFGAOF)0;
 908
 909     TRACE("(iface=%p, cidl=%u, apidl=%p, rgfInOut=%p) semi-stub\n", iface, cidl, apidl, rgfInOut);
 910
 911     for (i=0; i<cidl; i++) {
 912         LPPIDLDATA pData = _ILGetDataPointer(apidl[i]);
 913         if (!pData) continue;
 914         if (pData->type == PT_FOLDER) flags &= (SFGAO_FILESYSTEM|SFGAO_FILESYSANCESTOR|SFGAO_FOLDER|SFGAO_HASSUBFOLDER);
 915         if (pData->type == PT_VALUE) flags &= SFGAO_FILESYSTEM;
 916     }
 917
 918     *rgfInOut = *rgfInOut & flags;
 919
 920     return S_OK;
 921 }
 922
 923 static HRESULT WINAPI UnixFolder_IShellFolder2_GetUIObjectOf(IShellFolder2* iface, HWND hwndOwner,
 924     UINT cidl, LPCITEMIDLIST* apidl, REFIID riid, UINT* prgfInOut, void** ppvOut)
 925 {
 926     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 927
 928     TRACE("(iface=%p, hwndOwner=%p, cidl=%d, apidl=%p, riid=%s, prgfInOut=%p, ppv=%p)\n",
 929         iface, hwndOwner, cidl, apidl, debugstr_guid(riid), prgfInOut, ppvOut);
 930
 931     if (IsEqualIID(&IID_IContextMenu, riid)) {
 932         *ppvOut = ISvItemCm_Constructor((IShellFolder*)iface, This->m_pidlLocation, apidl, cidl);
 933         return S_OK;
 934     } else if (IsEqualIID(&IID_IDataObject, riid)) {
 935         *ppvOut = IDataObject_Constructor(hwndOwner, This->m_pidlLocation, apidl, cidl);
 936         return S_OK;
 937     } else if (IsEqualIID(&IID_IExtractIconA, riid)) {
 938         FIXME("IExtractIconA\n");
 939         return E_FAIL;
 940     } else if (IsEqualIID(&IID_IExtractIconW, riid)) {
 941         if (cidl != 1) return E_FAIL;
 942         if (_ILIsFolder(apidl[0]))
 943             *ppvOut = &UnixFolderIconSingleton;
 944         else
 945             *ppvOut = &UnixDocumentIconSingleton;
 946         return S_OK;
 947     } else if (IsEqualIID(&IID_IDropTarget, riid)) {
 948         FIXME("IDropTarget\n");
 949         return E_FAIL;
 950     } else if (IsEqualIID(&IID_IShellLinkW, riid)) {
 951         FIXME("IShellLinkW\n");
 952         return E_FAIL;
 953     } else if (IsEqualIID(&IID_IShellLinkA, riid)) {
 954         FIXME("IShellLinkA\n");
 955         return E_FAIL;
 956     } else {
 957         FIXME("Unknown interface %s in GetUIObjectOf\n", debugstr_guid(riid));
 958         return E_NOINTERFACE;
 959     }
 960 }
 961
 962 static HRESULT WINAPI UnixFolder_IShellFolder2_GetDisplayNameOf(IShellFolder2* iface,
 963     LPCITEMIDLIST pidl, SHGDNF uFlags, STRRET* lpName)
 964 {
 965     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 966     HRESULT hr = S_OK;
 967
 968     TRACE("(iface=%p, pidl=%p, uFlags=%lx, lpName=%p)\n", iface, pidl, uFlags, lpName);
 969
 970     if ((GET_SHGDN_FOR(uFlags) & SHGDN_FORPARSING) &&
 971         (GET_SHGDN_RELATION(uFlags) != SHGDN_INFOLDER))
 972     {
 973         if (!pidl->mkid.cb) {
 974             lpName->uType = STRRET_CSTR;
 975             strcpy(lpName->u.cStr, This->m_pszPath);
 976             if (This->m_dwPathMode == PATHMODE_DOS) {
 977                 char path[MAX_PATH];
 978                 GetFullPathNameA(lpName->u.cStr, MAX_PATH, path, NULL);
 979                 strcpy(lpName->u.cStr, path);
 980             }
 981         } else {
 982             IShellFolder *pSubFolder;
 983             USHORT emptyIDL = 0;
 984
 985             hr = IShellFolder_BindToObject(iface, pidl, NULL, &IID_IShellFolder, (void**)&pSubFolder);
 986             if (!SUCCEEDED(hr)) return hr;
 987
 988             hr = IShellFolder_GetDisplayNameOf(pSubFolder, (LPITEMIDLIST)&emptyIDL, uFlags, lpName);
 989             IShellFolder_Release(pSubFolder);
 990         }
 991     } else {
 992         char *pszFileName = _ILGetTextPointer(pidl);
 993         lpName->uType = STRRET_CSTR;
 994         strcpy(lpName->u.cStr, pszFileName ? pszFileName : "");
 995     }
 996
 997     TRACE("--> %s\n", lpName->u.cStr);
 998
 999     return hr;
1000 }
1001
1002 static HRESULT WINAPI UnixFolder_IShellFolder2_SetNameOf(IShellFolder2* This, HWND hwnd,
1003     LPCITEMIDLIST pidl, LPCOLESTR lpszName, SHGDNF uFlags, LPITEMIDLIST* ppidlOut)
1004 {
1005     TRACE("stub\n");
1006     return E_NOTIMPL;
1007 }
1008
1009 static HRESULT WINAPI UnixFolder_IShellFolder2_EnumSearches(IShellFolder2* iface,
1010     IEnumExtraSearch **ppEnum)
1011 {
1012     TRACE("stub\n");
1013     return E_NOTIMPL;
1014 }
1015
1016 static HRESULT WINAPI UnixFolder_IShellFolder2_GetDefaultColumn(IShellFolder2* iface,
1017     DWORD dwReserved, ULONG *pSort, ULONG *pDisplay)
1018 {
1019     TRACE("stub\n");
1020     return E_NOTIMPL;
1021 }
1022
1023 static HRESULT WINAPI UnixFolder_IShellFolder2_GetDefaultColumnState(IShellFolder2* iface,
1024     UINT iColumn, SHCOLSTATEF *pcsFlags)
1025 {
1026     TRACE("stub\n");
1027     return E_NOTIMPL;
1028 }
1029
1030 static HRESULT WINAPI UnixFolder_IShellFolder2_GetDefaultSearchGUID(IShellFolder2* iface,
1031     GUID *pguid)
1032 {
1033     TRACE("stub\n");
1034     return E_NOTIMPL;
1035 }
1036
1037 static HRESULT WINAPI UnixFolder_IShellFolder2_GetDetailsEx(IShellFolder2* iface,
1038     LPCITEMIDLIST pidl, const SHCOLUMNID *pscid, VARIANT *pv)
1039 {
1040     TRACE("stub\n");
1041     return E_NOTIMPL;
1042 }
1043
1044 #define SHELLVIEWCOLUMNS 6
1045
1046 static HRESULT WINAPI UnixFolder_IShellFolder2_GetDetailsOf(IShellFolder2* iface,
1047     LPCITEMIDLIST pidl, UINT iColumn, SHELLDETAILS *psd)
1048 {
1049     HRESULT hr = E_FAIL;
1050     struct passwd *pPasswd;
1051     struct group *pGroup;
1052     static const shvheader SFHeader[SHELLVIEWCOLUMNS] = {
1053         {IDS_SHV_COLUMN1,  SHCOLSTATE_TYPE_STR  | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 15},
1054         {IDS_SHV_COLUMN5,  SHCOLSTATE_TYPE_STR  | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 10},
1055         {IDS_SHV_COLUMN10, SHCOLSTATE_TYPE_STR  | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 7},
1056         {IDS_SHV_COLUMN11, SHCOLSTATE_TYPE_STR  | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 7},
1057         {IDS_SHV_COLUMN2,  SHCOLSTATE_TYPE_STR  | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 8},
1058         {IDS_SHV_COLUMN4,  SHCOLSTATE_TYPE_DATE | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 10}
1059     };
1060
1061     TRACE("(iface=%p, pidl=%p, iColumn=%d, psd=%p) stub\n", iface, pidl, iColumn, psd);
1062
1063     if (!psd || iColumn >= SHELLVIEWCOLUMNS)
1064         return E_INVALIDARG;
1065
1066     if (!pidl) {
1067         psd->fmt = SFHeader[iColumn].fmt;
1068         psd->cxChar = SFHeader[iColumn].cxChar;
1069         psd->str.uType = STRRET_CSTR;
1070         LoadStringA(shell32_hInstance, SFHeader[iColumn].colnameid, psd->str.u.cStr, MAX_PATH);
1071         return S_OK;
1072     } else {
1073         StatStruct *pStatStruct = LPSTATSTRUCT_FROM_LPSHITEMID(pidl);
1074         psd->str.u.cStr[0] = '\0';
1075         psd->str.uType = STRRET_CSTR;
1076         switch (iColumn) {
1077             case 0:
1078                 hr = IShellFolder2_GetDisplayNameOf(iface, pidl, SHGDN_NORMAL|SHGDN_INFOLDER, &psd->str);
1079                 break;
1080             case 1:
1081                 psd->str.u.cStr[0] = S_ISDIR(pStatStruct->st_mode) ? 'd' : '-';
1082                 psd->str.u.cStr[1] = (pStatStruct->st_mode & S_IRUSR) ? 'r' : '-';
1083                 psd->str.u.cStr[2] = (pStatStruct->st_mode & S_IWUSR) ? 'w' : '-';
1084                 psd->str.u.cStr[3] = (pStatStruct->st_mode & S_IXUSR) ? 'x' : '-';
1085                 psd->str.u.cStr[4] = (pStatStruct->st_mode & S_IRGRP) ? 'r' : '-';
1086                 psd->str.u.cStr[5] = (pStatStruct->st_mode & S_IWGRP) ? 'w' : '-';
1087                 psd->str.u.cStr[6] = (pStatStruct->st_mode & S_IXGRP) ? 'x' : '-';
1088                 psd->str.u.cStr[7] = (pStatStruct->st_mode & S_IROTH) ? 'r' : '-';
1089                 psd->str.u.cStr[8] = (pStatStruct->st_mode & S_IWOTH) ? 'w' : '-';
1090                 psd->str.u.cStr[9] = (pStatStruct->st_mode & S_IXOTH) ? 'x' : '-';
1091                 psd->str.u.cStr[10] = '\0';
1092                 break;
1093             case 2:
1094                 pPasswd = getpwuid(pStatStruct->st_uid);
1095                 if (pPasswd) strcpy(psd->str.u.cStr, pPasswd->pw_name);
1096                 break;
1097             case 3:
1098                 pGroup = getgrgid(pStatStruct->st_gid);
1099                 if (pGroup) strcpy(psd->str.u.cStr, pGroup->gr_name);
1100                 break;
1101             case 4:
1102                 _ILGetFileSize(pidl, psd->str.u.cStr, MAX_PATH);
1103                 break;
1104             case 5:
1105                 _ILGetFileDate(pidl, psd->str.u.cStr, MAX_PATH);
1106                 break;
1107         }
1108     }
1109
1110     return hr;
1111 }
1112
1113 static HRESULT WINAPI UnixFolder_IShellFolder2_MapColumnToSCID(IShellFolder2* iface, UINT iColumn,
1114     SHCOLUMNID *pscid)
1115 {
1116     TRACE("stub\n");
1117     return E_NOTIMPL;
1118 }
1119
1120 /* VTable for UnixFolder's IShellFolder2 interface.
1121  */
1122 static const IShellFolder2Vtbl UnixFolder_IShellFolder2_Vtbl = {
1123     UnixFolder_IShellFolder2_QueryInterface,
1124     UnixFolder_IShellFolder2_AddRef,
1125     UnixFolder_IShellFolder2_Release,
1126     UnixFolder_IShellFolder2_ParseDisplayName,
1127     UnixFolder_IShellFolder2_EnumObjects,
1128     UnixFolder_IShellFolder2_BindToObject,
1129     UnixFolder_IShellFolder2_BindToStorage,
1130     UnixFolder_IShellFolder2_CompareIDs,
1131     UnixFolder_IShellFolder2_CreateViewObject,
1132     UnixFolder_IShellFolder2_GetAttributesOf,
1133     UnixFolder_IShellFolder2_GetUIObjectOf,
1134     UnixFolder_IShellFolder2_GetDisplayNameOf,
1135     UnixFolder_IShellFolder2_SetNameOf,
1136     UnixFolder_IShellFolder2_GetDefaultSearchGUID,
1137     UnixFolder_IShellFolder2_EnumSearches,
1138     UnixFolder_IShellFolder2_GetDefaultColumn,
1139     UnixFolder_IShellFolder2_GetDefaultColumnState,
1140     UnixFolder_IShellFolder2_GetDetailsEx,
1141     UnixFolder_IShellFolder2_GetDetailsOf,
1142     UnixFolder_IShellFolder2_MapColumnToSCID
1143 };
1144
1145 static HRESULT WINAPI UnixFolder_IPersistFolder2_QueryInterface(IPersistFolder2* This, REFIID riid,
1146     void** ppvObject)
1147 {
1148     return UnixFolder_IShellFolder2_QueryInterface(
1149                 (IShellFolder2*)ADJUST_THIS(UnixFolder, IPersistFolder2, This), riid, ppvObject);
1150 }
1151
1152 static ULONG WINAPI UnixFolder_IPersistFolder2_AddRef(IPersistFolder2* This)
1153 {
1154     return UnixFolder_IShellFolder2_AddRef(
1155                 (IShellFolder2*)ADJUST_THIS(UnixFolder, IPersistFolder2, This));
1156 }
1157
1158 static ULONG WINAPI UnixFolder_IPersistFolder2_Release(IPersistFolder2* This)
1159 {
1160     return UnixFolder_IShellFolder2_Release(
1161                 (IShellFolder2*)ADJUST_THIS(UnixFolder, IPersistFolder2, This));
1162 }
1163
1164 static HRESULT WINAPI UnixFolder_IPersistFolder2_GetClassID(IPersistFolder2* This, CLSID* pClassID)
1165 {
1166     TRACE("stub\n");
1167     return E_NOTIMPL;
1168 }
1169
1170 static HRESULT WINAPI UnixFolder_IPersistFolder2_Initialize(IPersistFolder2* iface, LPCITEMIDLIST pidl)
1171 {
1172     UnixFolder *This = ADJUST_THIS(UnixFolder, IPersistFolder2, iface);
1173
1174     TRACE("(iface=%p, pidl=%p)\n", iface, pidl);
1175
1176     This->m_pidlLocation = ILClone(pidl);
1177
1178     pdump(pidl);
1179
1180     if (!UNIXFS_pidl_to_path(pidl, This))
1181         return E_FAIL;
1182     UNIXFS_build_subfolder_pidls(This);
1183
1184     return S_OK;
1185 }
1186
1187 static HRESULT WINAPI UnixFolder_IPersistFolder2_GetCurFolder(IPersistFolder2* iface, LPITEMIDLIST* ppidl)
1188 {
1189     UnixFolder *This = ADJUST_THIS(UnixFolder, IPersistFolder2, iface);
1190
1191     TRACE ("(iface=%p, ppidl=%p)\n", iface, ppidl);
1192
1193     if (!ppidl)
1194         return E_POINTER;
1195     *ppidl = ILClone (This->m_pidlLocation);
1196     return S_OK;
1197 }
1198
1199 /* VTable for UnixFolder's IPersistFolder interface.
1200  */
1201 static const IPersistFolder2Vtbl UnixFolder_IPersistFolder2_Vtbl = {
1202     UnixFolder_IPersistFolder2_QueryInterface,
1203     UnixFolder_IPersistFolder2_AddRef,
1204     UnixFolder_IPersistFolder2_Release,
1205     UnixFolder_IPersistFolder2_GetClassID,
1206     UnixFolder_IPersistFolder2_Initialize,
1207     UnixFolder_IPersistFolder2_GetCurFolder
1208 };
1209
1210 /******************************************************************************
1211  * Unix[Dos]Folder_Constructor [Internal]
1212  *
1213  * PARAMS
1214  *  pUnkOuter [I] Outer class for aggregation. Currently ignored.
1215  *  riid      [I] Interface asked for by the client.
1216  *  ppv       [O] Pointer to an riid interface to the UnixFolder object.
1217  *
1218  * NOTES
1219  *  Those are the only functions exported from shfldr_unixfs.c. They are called from
1220  *  shellole.c's default class factory and thus have to exhibit a LPFNCREATEINSTANCE
1221  *  compatible signature.
1222  *
1223  *  The UnixDosFolder_Constructor sets the dwPathMode member to PATHMODE_DOS. This
1224  *  means that paths are converted from dos to unix and back at the interfaces.
1225  */
1226 static HRESULT CreateUnixFolder(IUnknown *pUnkOuter, REFIID riid, LPVOID *ppv, DWORD dwPathMode) {
1227     HRESULT hr = E_FAIL;
1228     UnixFolder *pUnixFolder = SHAlloc((ULONG)sizeof(UnixFolder));
1229
1230     if(pUnixFolder) {
1231         pUnixFolder->lpIShellFolder2Vtbl = &UnixFolder_IShellFolder2_Vtbl;
1232         pUnixFolder->lpIPersistFolder2Vtbl = &UnixFolder_IPersistFolder2_Vtbl;
1233         pUnixFolder->m_cRef = 0;
1234         pUnixFolder->m_pszPath = NULL;
1235         pUnixFolder->m_apidlSubDirs = NULL;
1236         pUnixFolder->m_cSubDirs = 0;
1237         pUnixFolder->m_dwPathMode = dwPathMode;
1238
1239         UnixFolder_IShellFolder2_AddRef(STATIC_CAST(IShellFolder2, pUnixFolder));
1240         hr = UnixFolder_IShellFolder2_QueryInterface(STATIC_CAST(IShellFolder2, pUnixFolder), riid, ppv);
1241         UnixFolder_IShellFolder2_Release(STATIC_CAST(IShellFolder2, pUnixFolder));
1242     }
1243     return hr;
1244 }
1245
1246 HRESULT WINAPI UnixFolder_Constructor(IUnknown *pUnkOuter, REFIID riid, LPVOID *ppv) {
1247     TRACE("(pUnkOuter=%p, riid=%p, ppv=%p)\n", pUnkOuter, riid, ppv);
1248     return CreateUnixFolder(pUnkOuter, riid, ppv, PATHMODE_UNIX);
1249 }
1250
1251 HRESULT WINAPI UnixDosFolder_Constructor(IUnknown *pUnkOuter, REFIID riid, LPVOID *ppv) {
1252     TRACE("(pUnkOuter=%p, riid=%p, ppv=%p)\n", pUnkOuter, riid, ppv);
1253     return CreateUnixFolder(pUnkOuter, riid, ppv, PATHMODE_DOS);
1254 }
1255
1256 /******************************************************************************
1257  * UnixSubFolderIterator
1258  *
1259  * Class whose heap based objects represent iterators over the sub-directories
1260  * of a given UnixFolder object.
1261  */
1262
1263 /* UnixSubFolderIterator object layout and typedef.
1264  */
1265 typedef struct _UnixSubFolderIterator {
1266     const IEnumIDListVtbl *lpIEnumIDListVtbl;
1267     ULONG m_cRef;
1268     UnixFolder *m_pUnixFolder;
1269     ULONG m_cIdx;
1270     SHCONTF m_fFilter;
1271 } UnixSubFolderIterator;
1272
1273 static void UnixSubFolderIterator_Destroy(UnixSubFolderIterator *iterator) {
1274     TRACE("(iterator=%p)\n", iterator);
1275
1276     UnixFolder_IShellFolder2_Release((IShellFolder2*)iterator->m_pUnixFolder);
1277     SHFree(iterator);
1278 }
1279
1280 static HRESULT WINAPI UnixSubFolderIterator_IEnumIDList_QueryInterface(IEnumIDList* iface,
1281     REFIID riid, void** ppv)
1282 {
1283     TRACE("(iface=%p, riid=%p, ppv=%p)\n", iface, riid, ppv);
1284
1285     if (!ppv) return E_INVALIDARG;
1286
1287     if (IsEqualIID(&IID_IUnknown, riid) || IsEqualIID(&IID_IEnumIDList, riid)) {
1288         *ppv = iface;
1289     } else {
1290         *ppv = NULL;
1291         return E_NOINTERFACE;
1292     }
1293
1294     IEnumIDList_AddRef(iface);
1295     return S_OK;
1296 }
1297
1298 static ULONG WINAPI UnixSubFolderIterator_IEnumIDList_AddRef(IEnumIDList* iface)
1299 {
1300     UnixSubFolderIterator *This = ADJUST_THIS(UnixSubFolderIterator, IEnumIDList, iface);
1301
1302     TRACE("(iface=%p)\n", iface);
1303
1304     return InterlockedIncrement(&This->m_cRef);
1305 }
1306
1307 static ULONG WINAPI UnixSubFolderIterator_IEnumIDList_Release(IEnumIDList* iface)
1308 {
1309     UnixSubFolderIterator *This = ADJUST_THIS(UnixSubFolderIterator, IEnumIDList, iface);
1310     ULONG cRef;
1311
1312     TRACE("(iface=%p)\n", iface);
1313
1314     cRef = InterlockedDecrement(&This->m_cRef);
1315
1316     if (!cRef)
1317         UnixSubFolderIterator_Destroy(This);
1318
1319     return cRef;
1320 }
1321
1322 static HRESULT WINAPI UnixSubFolderIterator_IEnumIDList_Next(IEnumIDList* iface, ULONG celt,
1323     LPITEMIDLIST* rgelt, ULONG* pceltFetched)
1324 {
1325     UnixSubFolderIterator *This = ADJUST_THIS(UnixSubFolderIterator, IEnumIDList, iface);
1326     ULONG i;
1327
1328     TRACE("(iface=%p, celt=%ld, rgelt=%p, pceltFetched=%p)\n", iface, celt, rgelt, pceltFetched);
1329
1330     for (i=0; (i < celt) && (This->m_cIdx < This->m_pUnixFolder->m_cSubDirs); This->m_cIdx++) {
1331         LPITEMIDLIST pCurrent = This->m_pUnixFolder->m_apidlSubDirs[This->m_cIdx];
1332         if (UNIXFS_is_pidl_of_type(pCurrent, This->m_fFilter)) {
1333             rgelt[i] = ILClone(pCurrent);
1334             i++;
1335         }
1336     }
1337
1338     if (pceltFetched)
1339         *pceltFetched = i;
1340
1341     return i == celt ? S_OK : S_FALSE;
1342 }
1343
1344 static HRESULT WINAPI UnixSubFolderIterator_IEnumIDList_Skip(IEnumIDList* iface, ULONG celt)
1345 {
1346     UnixSubFolderIterator *This = ADJUST_THIS(UnixSubFolderIterator, IEnumIDList, iface);
1347     ULONG i;
1348
1349     TRACE("(iface=%p, celt=%ld)\n", iface, celt);
1350
1351     for (i=0; i < celt; i++) {
1352         while (This->m_cIdx < This->m_pUnixFolder->m_cSubDirs &&
1353                !UNIXFS_is_pidl_of_type(This->m_pUnixFolder->m_apidlSubDirs[This->m_cIdx], This->m_fFilter))
1354         {
1355             This->m_cIdx++;
1356         }
1357         This->m_cIdx++;
1358     }
1359
1360     if (This->m_cIdx > This->m_pUnixFolder->m_cSubDirs) {
1361         This->m_cIdx = This->m_pUnixFolder->m_cSubDirs;
1362         return S_FALSE;
1363     } else {
1364         return S_OK;
1365     }
1366 }
1367
1368 static HRESULT WINAPI UnixSubFolderIterator_IEnumIDList_Reset(IEnumIDList* iface)
1369 {
1370     UnixSubFolderIterator *This = ADJUST_THIS(UnixSubFolderIterator, IEnumIDList, iface);
1371
1372     TRACE("(iface=%p)\n", iface);
1373
1374     This->m_cIdx = 0;
1375
1376     return S_OK;
1377 }
1378
1379 static HRESULT WINAPI UnixSubFolderIterator_IEnumIDList_Clone(IEnumIDList* This,
1380     IEnumIDList** ppenum)
1381 {
1382     TRACE("stub\n");
1383     return E_NOTIMPL;
1384 }
1385
1386 /* VTable for UnixSubFolderIterator's IEnumIDList interface.
1387  */
1388 static const IEnumIDListVtbl UnixSubFolderIterator_IEnumIDList_Vtbl = {
1389     UnixSubFolderIterator_IEnumIDList_QueryInterface,
1390     UnixSubFolderIterator_IEnumIDList_AddRef,
1391     UnixSubFolderIterator_IEnumIDList_Release,
1392     UnixSubFolderIterator_IEnumIDList_Next,
1393     UnixSubFolderIterator_IEnumIDList_Skip,
1394     UnixSubFolderIterator_IEnumIDList_Reset,
1395     UnixSubFolderIterator_IEnumIDList_Clone
1396 };
1397
1398 static IUnknown *UnixSubFolderIterator_Construct(UnixFolder *pUnixFolder, SHCONTF fFilter) {
1399     UnixSubFolderIterator *iterator;
1400
1401     TRACE("(pUnixFolder=%p)\n", pUnixFolder);
1402
1403     iterator = SHAlloc((ULONG)sizeof(UnixSubFolderIterator));
1404     iterator->lpIEnumIDListVtbl = &UnixSubFolderIterator_IEnumIDList_Vtbl;
1405     iterator->m_cRef = 0;
1406     iterator->m_cIdx = 0;
1407     iterator->m_pUnixFolder = pUnixFolder;
1408     iterator->m_fFilter = fFilter;
1409
1410     UnixSubFolderIterator_IEnumIDList_AddRef((IEnumIDList*)iterator);
1411     UnixFolder_IShellFolder2_AddRef((IShellFolder2*)pUnixFolder);
1412
1413     return (IUnknown*)iterator;
1414 }