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      1 /*	$NetBSD: rpcv2.h,v 1.13 2024/12/07 02:05:55 riastradh Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1989, 1993
      5  *	The Regents of the University of California.  All rights reserved.
      6  *
      7  * This code is derived from software contributed to Berkeley by
      8  * Rick Macklem at The University of Guelph.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. Neither the name of the University nor the names of its contributors
     19  *    may be used to endorse or promote products derived from this software
     20  *    without specific prior written permission.
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     32  * SUCH DAMAGE.
     33  *
     34  *	@(#)rpcv2.h	8.2 (Berkeley) 3/30/95
     35  */
     36 
     37 #ifndef _NFS_RPCV2_H_
     38 #define _NFS_RPCV2_H_
     39 
     40 #include <sys/types.h>
     41 
     42 /*
     43  * Definitions for Sun RPC Version 2, from
     44  * "RPC: Remote Procedure Call Protocol Specification" RFC1057
     45  */
     46 
     47 /* Version # */
     48 #define	RPC_VER2	2
     49 
     50 /* Authentication */
     51 #define	RPCAUTH_NULL	0
     52 #define	RPCAUTH_UNIX	1
     53 #define	RPCAUTH_SHORT	2
     54 #define RPCAUTH_KERB4	4
     55 #define	RPCAUTH_MAXSIZ	400
     56 #define	RPCVERF_MAXSIZ	12	/* For Kerb, can actually be 400 */
     57 #define	RPCAUTH_UNIXGIDS 16
     58 
     59 /*
     60  * Constants associated with authentication flavours.
     61  */
     62 #define RPCAKN_FULLNAME	0
     63 #define RPCAKN_NICKNAME	1
     64 
     65 /* Rpc Constants */
     66 #define	RPC_CALL	0
     67 #define	RPC_REPLY	1
     68 #define	RPC_MSGACCEPTED	0
     69 #define	RPC_MSGDENIED	1
     70 #define	RPC_PROGUNAVAIL	1
     71 #define	RPC_PROGMISMATCH	2
     72 #define	RPC_PROCUNAVAIL	3
     73 #define	RPC_GARBAGE	4		/* I like this one */
     74 #define	RPC_MISMATCH	0
     75 #define	RPC_AUTHERR	1
     76 
     77 /* Authentication failures */
     78 #define	AUTH_BADCRED	1
     79 #define	AUTH_REJECTCRED	2
     80 #define	AUTH_BADVERF	3
     81 #define	AUTH_REJECTVERF	4
     82 #define	AUTH_TOOWEAK	5		/* Give em wheaties */
     83 
     84 /* Sizes of rpc header parts */
     85 #define	RPC_SIZ		24
     86 #define	RPC_REPLYSIZ	28
     87 
     88 /* RPC Prog definitions */
     89 #define	RPCPROG_MNT	100005
     90 #define	RPCMNT_VER1	1
     91 #define	RPCMNT_VER3	3
     92 #define	RPCMNT_MOUNT	1
     93 #define	RPCMNT_DUMP	2
     94 #define	RPCMNT_UMOUNT	3
     95 #define	RPCMNT_UMNTALL	4
     96 #define	RPCMNT_EXPORT	5
     97 #define	RPCMNT_NAMELEN	255
     98 #define	RPCMNT_PATHLEN	1024
     99 #define	RPCPROG_NFS	100003
    100 
    101 /* Structs for common parts of the rpc's */
    102 struct rpcv2_time {
    103 	u_int32_t rpc_sec;
    104 	u_int32_t rpc_usec;
    105 };
    106 
    107 /*
    108  * Structures used for RPCAUTH_KERB4.
    109  */
    110 struct nfsrpc_fullverf {
    111 	u_int32_t t1;
    112 	u_int32_t t2;
    113 	u_int32_t w2;
    114 };
    115 
    116 struct nfsrpc_fullblock {
    117 	u_int32_t t1;
    118 	u_int32_t t2;
    119 	u_int32_t w1;
    120 	u_int32_t w2;
    121 };
    122 
    123 struct nfsrpc_nickverf {
    124 	u_int32_t kind;
    125 	struct nfsrpc_fullverf	verf;
    126 };
    127 
    128 /*
    129  * and their sizes in bytes.. If sizeof (struct nfsrpc_xx) != these
    130  * constants, well then things will break in mount_nfs and nfsd.
    131  */
    132 #define RPCX_FULLVERF	12
    133 #define RPCX_FULLBLOCK	16
    134 #define RPCX_NICKVERF	16
    135 
    136 #ifdef NFSKERB
    137 XXX
    138 #else
    139 typedef u_char			NFSKERBKEY_T[2];
    140 typedef u_char			NFSKERBKEYSCHED_T[2];
    141 #endif
    142 #define NFS_KERBSRV	"rcmd"		/* Kerberos Service for NFS */
    143 #define NFS_KERBTTL	(30 * 60)	/* Credential ttl (sec) */
    144 #define NFS_KERBCLOCKSKEW (5 * 60)	/* Clock skew (sec) */
    145 #define NFS_KERBW1(t)	(*((u_long *)(&((t).dat[((t).length + 3) & ~0x3]))))
    146 
    147 #endif	/* _NFS_RPCV2_H_ */
    148