1/* 2 * include/linux/nfsd_idmap.h 3 * 4 * Mapping of UID to name and vice versa. 5 * 6 * Copyright (c) 2002, 2003 The Regents of the University of 7 * Michigan. All rights reserved. 8> * 9 * Marius Aamodt Eriksen <marius@umich.edu> 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. Neither the name of the University nor the names of its 21 * contributors may be used to endorse or promote products derived 22 * from this software without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED 25 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 26 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 27 * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 29 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 30 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 31 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 32 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 33 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 34 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 35 */ 36 37#ifndef LINUX_NFSD_IDMAP_H 38#define LINUX_NFSD_IDMAP_H 39 40#include <linux/in.h> 41#include <linux/sunrpc/svc.h> 42 43#define IDMAP_NAMESZ 128 44 45#ifdef CONFIG_NFSD_V4 46int nfsd_idmap_init(void); 47void nfsd_idmap_shutdown(void); 48#else 49static inline int nfsd_idmap_init(void) 50{ 51 return 0; 52} 53static inline void nfsd_idmap_shutdown(void) 54{ 55} 56#endif 57 58int nfsd_map_name_to_uid(struct svc_rqst *, const char *, size_t, __u32 *); 59int nfsd_map_name_to_gid(struct svc_rqst *, const char *, size_t, __u32 *); 60int nfsd_map_uid_to_name(struct svc_rqst *, __u32, char *); 61int nfsd_map_gid_to_name(struct svc_rqst *, __u32, char *); 62 63#endif /* LINUX_NFSD_IDMAP_H */ 64