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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _NFSID_MAP_H
#define _NFSID_MAP_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifndef _KERNEL
#include <stddef.h>
#endif
#include <sys/sysmacros.h>
#include <sys/types.h>
/*
* NFSv4 id mapping daemon
*
* This daemon is used by the kernel to map strings in the form
* "user@dns_domain" from an integer form or vice-versa. The daemon
* uses the system configured name services for the mapping.
*
* The status results determines if a mapping was successful.
*
* The mapping is cached in the kernel, so that expensive upcalls are
* reduced to a minimum.
*/
#ifdef __cplusplus
extern "C" {
#endif
/*
* mapid commands
*/
#define NFSMAPID_STR_UID 1
#define NFSMAPID_UID_STR 2
#define NFSMAPID_STR_GID 3
#define NFSMAPID_GID_STR 4
/*
* We are passing in arguments in a variable length struct
* similar to a dirent_t. We break apart a utf8string into
* its components and allocate a struct long enough to hold
* the string and a NUL terminator. The caller must ensure the
* terminator is set.
*/
struct mapid_arg {
uint_t cmd;
union {
uid_t uid;
gid_t gid;
int len;
} u_arg;
char str[1];
};
typedef struct mapid_arg mapid_arg_t;
/*
* The actual required size of the args, rounded up to a 64 bit boundary
*/
#define MAPID_ARG_LEN(str_length) \
((offsetof(mapid_arg_t, str[0]) + 1 + (str_length) + 7) & ~ 7)
/*
* Return status codes
*/
#define NFSMAPID_OK 0
/*
* numeric string is mapped to its literal number
*/
#define NFSMAPID_NUMSTR 1
/*
* Value cannot be mapped, badly formed string
*/
#define NFSMAPID_UNMAPPABLE 2
/*
* Caller provided invalid arguments
*/
#define NFSMAPID_INVALID 3
/*
* Internal error in daemon e.g. out of memory, can't return result
*/
#define NFSMAPID_INTERNAL 4
/*
* Incorrect domain used
*/
#define NFSMAPID_BADDOMAIN 5
/*
* Out of range uid/gid
*/
#define NFSMAPID_BADID 6
/*
* User or group cannot be found in nameservice
*/
#define NFSMAPID_NOTFOUND 7
/*
* Similar to the arguments, the result is variable length.
* The returner must ensure the string terminator is set.
*/
struct mapid_res {
uint_t status;
union {
uid_t uid;
gid_t gid;
int len;
} u_res;
char str[1];
};
typedef struct mapid_res mapid_res_t;
/*
* The actual required size of the result, rounded up to a 64 bit boundary
*/
#define MAPID_RES_LEN(str_length) \
((offsetof(mapid_res_t, str[0]) + 1 + (str_length) + 7) & ~ 7)
#ifdef __cplusplus
}
#endif
#endif /* _NFSID_MAP_H */
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