/* packet-nfs.h (c) 1999 Uwe Girlich */
/* $Id$
 *
 * Wireshark - Network traffic analyzer
 * By Gerald Combs <gerald@wireshark.org>
 * Copyright 1998 Gerald Combs
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */

#ifndef __PACKET_NFS_H__
#define __PACKET_NFS_H__

#include "packet-rpc.h"

#define NFS_PROGRAM 100003

#define FHSIZE 32

/* verifier */
#define NFS3_COOKIEVERFSIZE 8
#define NFS3_CREATEVERFSIZE 8
#define NFS3_WRITEVERFSIZE 8

/* for ftype3 */
#define NF3REG  1
#define NF3DIR  2
#define NF3BLK  3
#define NF3CHR  4
#define NF3LNK  5
#define NF3SOCK 6
#define NF3FIFO 7

/*
 * NFSv4 error codes used in code, as opposed to UI
 */
#define NFS4_OK 0
#define NFS4ERR_DENIED 10010
#define NFS4ERR_CLID_INUSE 10017

/*
 * NFSv4 file types
 */
#define NF4REG			1
#define NF4DIR			2
#define NF4BLK			3
#define NF4CHR			4
#define NF4LNK			5
#define NF4SOCK		6
#define NF4FIFO		7
#define NF4ATTRDIR	8
#define NF4NAMEDATTR	9

/*
 * Since NFSv4 "operations" are handled differently than previous NFS
 * versions, these tokens are necessary.
 */
#define NFS4_OP_ACCESS						3
#define NFS4_OP_CLOSE						4
#define NFS4_OP_COMMIT						5
#define NFS4_OP_CREATE						6
#define NFS4_OP_DELEGPURGE					7
#define NFS4_OP_DELEGRETURN				8
#define NFS4_OP_GETATTR						9
#define NFS4_OP_GETFH						10
#define NFS4_OP_LINK							11
#define NFS4_OP_LOCK							12
#define NFS4_OP_LOCKT						13
#define NFS4_OP_LOCKU						14
#define NFS4_OP_LOOKUP						15
#define NFS4_OP_LOOKUPP						16
#define NFS4_OP_NVERIFY						17
#define NFS4_OP_OPEN							18
#define NFS4_OP_OPENATTR					19
#define NFS4_OP_OPEN_CONFIRM				20
#define NFS4_OP_OPEN_DOWNGRADE			21
#define NFS4_OP_PUTFH						22
#define NFS4_OP_PUTPUBFH					23
#define NFS4_OP_PUTROOTFH					24
#define NFS4_OP_READ							25
#define NFS4_OP_READDIR						26
#define NFS4_OP_READLINK					27
#define NFS4_OP_REMOVE						28
#define NFS4_OP_RENAME						29
#define NFS4_OP_RENEW						30
#define NFS4_OP_RESTOREFH					31
#define NFS4_OP_SAVEFH						32
#define NFS4_OP_SECINFO						33
#define NFS4_OP_SETATTR						34
#define NFS4_OP_SETCLIENTID				35
#define NFS4_OP_SETCLIENTID_CONFIRM		36
#define NFS4_OP_VERIFY						37
#define NFS4_OP_WRITE						38
#define NFS4_OP_RELEASE_LOCKOWNER		39
/* Minor version 1 */
#define NFS4_OP_BACKCHANNEL_CTL       40
#define NFS4_OP_BIND_CONN_TO_SESSION  41
#define NFS4_OP_EXCHANGE_ID       42
#define NFS4_OP_CREATE_SESSION    43
#define NFS4_OP_DESTROY_SESSION   44
#define NFS4_OP_FREE_STATEID          45
#define NFS4_OP_GET_DIR_DELEGATION    46
#define NFS4_OP_GETDEVINFO        47
#define NFS4_OP_GETDEVLIST		  48
#define NFS4_OP_LAYOUTCOMMIT         49
#define NFS4_OP_LAYOUTGET	    	 50
#define NFS4_OP_LAYOUTRETURN		 51
#define NFS4_OP_SECINFO_NO_NAME       52
#define NFS4_OP_SEQUENCE             53
#define NFS4_OP_SET_SSV               54
#define NFS4_OP_TEST_STATEID          55
#define NFS4_OP_WANT_DELEGATION       56
#define NFS4_OP_DESTROY_CLIENTID      57
#define NFS4_OP_RECLAIM_COMPLETE      58

#define NFS4_OP_ILLEGAL						10044

/* for write */
#define UNSTABLE 0
#define DATA_SYNC 1
#define FILE_SYNC 2

/* for create */
#define UNCHECKED 0
#define GUARDED 1
#define EXCLUSIVE 2

/* for create4 */
#define UNCHECKED4 0
#define GUARDED4 1
#define EXCLUSIVE4 2
#define EXCLUSIVE4_1 3

/* pNFS layout types */
#define LAYOUT4_NFSV4_1_FILES  1
#define LAYOUT4_OSD2_OBJECTS   2
#define LAYOUT4_BLOCK_VOLUME   3

extern gboolean nfs_file_name_snooping;

extern int dissect_fhandle(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree,
    const char *name, guint32 *hash);
extern int dissect_nfs_fh3(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree,
    const char *name, guint32 *hash);

int dissect_nfs_post_op_attr(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, 
		const char* name);

void nfs_name_snoop_add_name(int xid, tvbuff_t *tvb, int name_offset, int name_len, int parent_offset, int parent_len, char *name);


extern gboolean nfs_fhandle_reqrep_matching;
typedef struct nfs_fhandle_data {
	int len;
	const unsigned char *fh;
	tvbuff_t *tvb;
} nfs_fhandle_data_t;
void dissect_fhandle_hidden(packet_info *pinfo, proto_tree *tree, int frame);

typedef int (diss_p)(tvbuff_t *tvb, int offset, proto_tree *tree, int hf);

/* Used in packet-nfsacl.c for NFS_ACL dissection */
extern int dissect_fattr(tvbuff_t *tvb, int offset, proto_tree *tree, 
	const char* name);

extern int dissect_access(tvbuff_t *tvb, int offset, proto_tree *tree,
	const char* name);

extern gint default_nfs_fhandle_type;
extern gint hf_nfs_nfsstat;

#endif /* packet-nfs.h */