1/* 2 * Copyright (c) 2008 Apple Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28 29#ifndef _FSGETPATH_H_ 30#define _FSGETPATH_H_ 31 32#include <sys/types.h> 33#include <sys/mount.h> 34 35#ifdef __APPLE_API_PRIVATE 36 37#ifndef KERNEL 38__BEGIN_DECLS 39 40#include <sys/syscall.h> 41#include <unistd.h> 42 43/* 44 * Obtain the full pathname of a file system object by id. 45 * 46 * This is a private SPI used by the File Manager. 47 * 48 * ssize_t fsgetpath_np(char *restrict buf, size_t bufsize, fsid_t fsid, uint64_t objid); 49 */ 50#define fsgetpath(buf, bufsize, fsid, objid) \ 51 (ssize_t)syscall(SYS_fsgetpath, buf, (size_t)bufsize, fsid, (uint64_t)objid) 52 53/* 54 * openbyid_np: open a file given a file system id and a file system object id 55 * 56 * fsid : value corresponding to getattlist ATTR_CMN_FSID attribute, or 57 * value of stat's st.st_dev ; set fsid = {st.st_dev, 0} 58 * 59 * objid: value (link id/node id) corresponding to getattlist ATTR_CMN_OBJID 60 * attribute , or 61 * value of stat's st.st_ino (node id); set objid = st.st_ino 62 * 63 * For hfs the value of getattlist ATTR_CMN_FSID is a link id which uniquely identifies a 64 * parent in the case of hard linked files; this allows unique path access validation. 65 * Not all file systems support getattrlist ATTR_CMN_OBJID (link id). 66 * A node id does not uniquely identify a parent in the case of hard linked files and may 67 * resolve to a path for which access validation can fail. 68 */ 69int openbyid_np(fsid_t* fsid, fsobj_id_t* objid, int flags); 70 71__END_DECLS 72#endif /* KERNEL */ 73 74#endif /* __APPLE_API_PRIVATE */ 75 76#endif /* !_FSGETPATH_H_ */ 77