/*-
 * SPDX-License-Identifier: BSD-3-Clause
 *
 * Copyright (c) 1989, 1993
 *      The Regents of the University of California.  All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Rick Macklem at The University of Guelph.
 *
 * 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 the University 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 THE REGENTS AND 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 THE REGENTS OR 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.
 */

#ifndef _NFS_RPCV2_H_
#define _NFS_RPCV2_H_

/*
 * Definitions for Sun RPC Version 2, from
 * "RPC: Remote Procedure Call Protocol Specification" RFC1057
 */

/* Version # */
#define RPC_VER2                2

/* Authentication flavours */
#define RPCAUTH_NULL                    0
#define RPCAUTH_UNIX                    1
#define RPCAUTH_SHORT                   2
#define RPCAUTH_KERB4                   4
#define RPCAUTH_GSS                     6
#define RPCAUTH_GSSKRB5                 390003
#define RPCAUTH_GSSKRB5INTEGRITY        390004
#define RPCAUTH_GSSKRB5PRIVACY          390005

#define RPCAUTH_MAXSIZ          400
#define RPCVERF_MAXSIZ  12      /* For Kerb, can actually be 400 */

/*
 * RPCAUTH_UNIX defs.
 */
#define RPCAUTHUNIX_MINSIZ      (5 * NFSX_UNSIGNED)
#define RPCAUTH_UNIXGIDS 16

/*
 * RPCAUTH_GSS defs.
 */
#define RPCAUTHGSS_VERS1        1

#define RPCAUTHGSS_DATA         0
#define RPCAUTHGSS_INIT         1
#define RPCAUTHGSS_CONTINIT     2
#define RPCAUTHGSS_DESTROY      3

#define RPCAUTHGSS_SVCNONE      1
#define RPCAUTHGSS_SVCINTEGRITY 2
#define RPCAUTHGSS_SVCPRIVACY   3

#define RPCAUTHGSS_MAXSEQ       0x80000000

#define RPCAUTHGSS_WINDOW       64      /* # of bits in u_int64_t */
#define RPCAUTHGSS_SEQWINDOW    (RPCAUTHGSS_WINDOW + 1)

#define RPCAUTHGSS_MIC          1
#define RPCAUTHGSS_WRAP         2

/*
 * Qop values for the types of security services.
 */
#define GSS_KERBV_QOP           0

/*
 * Sizes of GSS stuff.
 */
#define RPCGSS_KEYSIZ           8

#define GSSX_AUTHHEAD   (5 * NFSX_UNSIGNED)
#define GSSX_MYHANDLE   (sizeof (long) + sizeof (u_int64_t))
#define GSSX_RPCHEADER  (13 * NFSX_UNSIGNED + GSSX_MYHANDLE)
#define GSSX_MINWRAP    (2 * NFSX_UNSIGNED)
#define GSSX_KERBVTOKEN 24
#define GSSX_LOCALHANDLE (sizeof (void *))

/*
 * Stuff for the gssd.
 */
#define RPCPROG_GSSD            0x20101010
#define RPCGSSD_VERS            1
#define RPCGSSD_INIT            1
#define RPCGSSD_CONTINIT        2
#define RPCGSSD_CONTINITDESTROY 3
#define RPCGSSD_CLINIT          4
#define RPCGSSD_CLINITUID       5
#define RPCGSSD_CLCONT          6
#define RPCGSSD_CLCONTUID       7
#define RPCGSSD_CLINITNAME      8
#define RPCGSSD_CLCONTNAME      9

/*
 * Stuff for the nfsuserd
 */
#define RPCPROG_NFSUSERD        0x21010101
#define RPCNFSUSERD_VERS        1
#define RPCNFSUSERD_GETUID      1
#define RPCNFSUSERD_GETGID      2
#define RPCNFSUSERD_GETUSER     3
#define RPCNFSUSERD_GETGROUP    4

/*
 * Some major status codes.
 */
#if !defined(_GSSAPI_H_) && !defined(GSSAPI_H_) && !defined(_GSSAPI_GSSAPI_H_) && !defined(_RPCSEC_GSS_H)
#define  GSS_S_COMPLETE                  0x00000000
#define  GSS_S_CONTINUE_NEEDED           0x00000001
#define  GSS_S_DUPLICATE_TOKEN           0x00000002
#define  GSS_S_OLD_TOKEN                 0x00000004
#define  GSS_S_UNSEQ_TOKEN               0x00000008
#define  GSS_S_GAP_TOKEN                 0x00000010
#define  GSS_S_BAD_MECH                  0x00010000
#define  GSS_S_BAD_NAME                  0x00020000
#define  GSS_S_BAD_NAMETYPE              0x00030000
#define  GSS_S_BAD_BINDINGS              0x00040000
#define  GSS_S_BAD_STATUS                0x00050000
#define  GSS_S_BAD_MIC                   0x00060000
#define  GSS_S_BAD_SIG                   0x00060000
#define  GSS_S_NO_CRED                   0x00070000
#define  GSS_S_NO_CONTEXT                0x00080000
#define  GSS_S_DEFECTIVE_TOKEN           0x00090000
#define  GSS_S_DEFECTIVE_CREDENTIAL      0x000a0000
#define  GSS_S_CREDENTIALS_EXPIRED       0x000b0000
#define  GSS_S_CONTEXT_EXPIRED           0x000c0000
#define  GSS_S_FAILURE                   0x000d0000
#define  GSS_S_BAD_QOP                   0x000e0000
#define  GSS_S_UNAUTHORIZED              0x000f0000
#define  GSS_S_UNAVAILABLE               0x00100000
#define  GSS_S_DUPLICATE_ELEMENT         0x00110000
#define  GSS_S_NAME_NOT_MN               0x00120000
#define  GSS_S_CALL_INACCESSIBLE_READ    0x01000000
#define  GSS_S_CALL_INACCESSIBLE_WRITE   0x02000000
#define  GSS_S_CALL_BAD_STRUCTURE        0x03000000
#endif  /* _GSSAPI_H_ */

/* Rpc Constants */
#define RPC_CALL        0
#define RPC_REPLY       1
#define RPC_MSGACCEPTED 0
#define RPC_MSGDENIED   1
#define RPC_PROGUNAVAIL 1
#define RPC_PROGMISMATCH        2
#define RPC_PROCUNAVAIL 3
#define RPC_GARBAGE     4               /* I like this one */
#define RPC_MISMATCH    0
#define RPC_AUTHERR     1

/* Authentication failures */
#define AUTH_BADCRED    1
#define AUTH_REJECTCRED 2
#define AUTH_BADVERF    3
#define AUTH_REJECTVERF 4
#define AUTH_TOOWEAK    5               /* Give em wheaties */
#define AUTH_PROBCRED   13
#define AUTH_CTXCRED    14

/* Sizes of rpc header parts */
#define RPC_SIZ         24
#define RPC_REPLYSIZ    28

/* RPC Prog definitions */
#define RPCPROG_MNT     100005
#define RPCMNT_VER1     1
#define RPCMNT_VER3     3
#define RPCMNT_MOUNT    1
#define RPCMNT_DUMP     2
#define RPCMNT_UMOUNT   3
#define RPCMNT_UMNTALL  4
#define RPCMNT_EXPORT   5
#define RPCMNT_NAMELEN  255
#define RPCMNT_PATHLEN  1024
#define RPCPROG_NFS     100003

/* Structs for common parts of the rpc's */
struct rpcv2_time {
        u_int32_t rpc_sec;
        u_int32_t rpc_usec;
};

#endif  /* _NFS_RPCV2_H_ */