/* * ntfs_sfm.c - Services For Macintosh (SFM) associated code. * * Copyright (c) 2006-2008 Anton Altaparmakov. All Rights Reserved. * Portions Copyright (c) 2006-2008 Apple Inc. All Rights Reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * 3. Neither the name of Apple Inc. ("Apple") nor the names of its * contributors may be used to endorse or promote products derived from this * software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * ALTERNATIVELY, provided that this notice and licensing terms are retained in * full, this file may be redistributed and/or modified under the terms of the * GNU General Public License (GPL) Version 2, in which case the provisions of * that version of the GPL will apply to you instead of the license terms * above. You can obtain a copy of the GPL Version 2 at * http://developer.apple.com/opensource/licenses/gpl-2.txt. */ #include "ntfs_endian.h" #include "ntfs_sfm.h" #include "ntfs_types.h" #include "ntfs_unistr.h" #include "ntfs_volume.h" /* * A zerofilled finder info structure for fast checking of the finder info * being zero. */ const FINDER_INFO ntfs_empty_finder_info; /* * These are the names used for the various named streams used by Services For * Macintosh (SFM) and the OS X SMB implementation and thus also by the OS X * NTFS driver. * * The following names are defined: * * AFP_AfpInfo * AFP_DeskTop * AFP_IdIndex * AFP_Resource * Comments * * See ntfs_sfm.h for further details. */ ntfschar NTFS_SFM_AFPINFO_NAME[12] = { const_cpu_to_le16('A'), const_cpu_to_le16('F'), const_cpu_to_le16('P'), const_cpu_to_le16('_'), const_cpu_to_le16('A'), const_cpu_to_le16('f'), const_cpu_to_le16('p'), const_cpu_to_le16('I'), const_cpu_to_le16('n'), const_cpu_to_le16('f'), const_cpu_to_le16('o'), 0 }; ntfschar NTFS_SFM_DESKTOP_NAME[12] = { const_cpu_to_le16('A'), const_cpu_to_le16('F'), const_cpu_to_le16('P'), const_cpu_to_le16('_'), const_cpu_to_le16('D'), const_cpu_to_le16('e'), const_cpu_to_le16('s'), const_cpu_to_le16('k'), const_cpu_to_le16('T'), const_cpu_to_le16('o'), const_cpu_to_le16('p'), 0 }; ntfschar NTFS_SFM_IDINDEX_NAME[12] = { const_cpu_to_le16('A'), const_cpu_to_le16('F'), const_cpu_to_le16('P'), const_cpu_to_le16('_'), const_cpu_to_le16('I'), const_cpu_to_le16('d'), const_cpu_to_le16('I'), const_cpu_to_le16('n'), const_cpu_to_le16('d'), const_cpu_to_le16('e'), const_cpu_to_le16('x'), 0 }; ntfschar NTFS_SFM_RESOURCEFORK_NAME[13] = { const_cpu_to_le16('A'), const_cpu_to_le16('F'), const_cpu_to_le16('P'), const_cpu_to_le16('_'), const_cpu_to_le16('R'), const_cpu_to_le16('e'), const_cpu_to_le16('s'), const_cpu_to_le16('o'), const_cpu_to_le16('u'), const_cpu_to_le16('r'), const_cpu_to_le16('c'), const_cpu_to_le16('e'), 0 }; ntfschar NTFS_SFM_COMMENTS_NAME[9] = { const_cpu_to_le16('C'), const_cpu_to_le16('o'), const_cpu_to_le16('m'), const_cpu_to_le16('m'), const_cpu_to_le16('e'), const_cpu_to_le16('n'), const_cpu_to_le16('t'), const_cpu_to_le16('s'), 0 }; /** * ntfs_is_sfm_name - check if a name is a protected SFM name * @name: name (in NTFS Unicode) to check * @len: length of name in NTFS Unicode characters to check * * Return true if the NTFS Unicode name @name of length @len characters is a * Services For Macintosh (SFM) protected name and false otherwise. */ BOOL ntfs_is_sfm_name(ntfs_volume *vol, const ntfschar *name, const unsigned len) { const ntfschar *upcase = vol->upcase; const unsigned upcase_len = vol->upcase_len; const BOOL case_sensitive = NVolCaseSensitive(vol); return (ntfs_are_names_equal(name, len, NTFS_SFM_AFPINFO_NAME, 11, case_sensitive, upcase, upcase_len) || ntfs_are_names_equal(name, len, NTFS_SFM_DESKTOP_NAME, 11, case_sensitive, upcase, upcase_len) || ntfs_are_names_equal(name, len, NTFS_SFM_IDINDEX_NAME, 11, case_sensitive, upcase, upcase_len) || ntfs_are_names_equal(name, len, NTFS_SFM_RESOURCEFORK_NAME, 12, case_sensitive, upcase, upcase_len) || ntfs_are_names_equal(name, len, NTFS_SFM_COMMENTS_NAME, 8, case_sensitive, upcase, upcase_len)); }