/*	$NetBSD: nfs_prot_ncr2.h,v 1.1.1.3 2015/01/17 16:34:16 christos Exp $	*/

/*
 * Copyright (c) 1997-2014 Erez Zadok
 * Copyright (c) 1990 Jan-Simon Pendry
 * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
 * Copyright (c) 1990 The Regents of the University of California.
 * All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Jan-Simon Pendry at Imperial College, London.
 *
 * 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.
 *
 *
 * File: am-utils/conf/nfs_prot/nfs_prot_ncr2.h
 *
 */

#ifndef _AMU_NFS_PROT_H
#define _AMU_NFS_PROT_H

/*
 * Do NOT include <rpcsvc/nfs_prot.h> to get NFS V2 specs, because
 * it will result in conflicts with <nfs/nfs.h>.  The latter is a must
 * for NFS V3 specs.
 */

#ifdef HAVE_NFS_NFS_H
# include <nfs/nfs.h>
#endif /* HAVE_NFS_NFS_H */

#ifdef HAVE_RPCSVC_MOUNT_H
# include <rpcsvc/mount.h>
#endif /* HAVE_RPCSVC_MOUNT_H */

#ifdef HAVE_RPC_RPC_H
# include <rpc/rpc.h>
#endif /* HAVE_RPC_RPC_H */


/*
 * MACROS
 */

/* ncr2 does not define this one!  Incredible */
#ifndef MNTTYPE_NFS
# define MNTTYPE_NFS "nfs"
#endif /* MNTTYPE_NFS */

#define	NFS_PORT 2049
#define	NFS_MAXDATA 8192
#define	NFS_MAXPATHLEN 1024
#define	NFS_MAXNAMLEN 255
#define	NFS_FHSIZE 32
#define	NFS_COOKIESIZE 4

#define	NFSMODE_FMT 0170000
#define	NFSMODE_DIR 0040000
#define	NFSMODE_CHR 0020000
#define	NFSMODE_BLK 0060000
#define	NFSMODE_REG 0100000
#define	NFSMODE_LNK 0120000
#define	NFSMODE_SOCK 0140000
#define	NFSMODE_FIFO 0010000

#define	NFSPROC_NULL ((unsigned long)(0))
#define	NFSPROC_GETATTR ((unsigned long)(1))
#define	NFSPROC_SETATTR ((unsigned long)(2))
#define	NFSPROC_ROOT ((unsigned long)(3))
#define	NFSPROC_LOOKUP ((unsigned long)(4))
#define	NFSPROC_READLINK ((unsigned long)(5))
#define	NFSPROC_READ ((unsigned long)(6))
#define	NFSPROC_WRITECACHE ((unsigned long)(7))
#define	NFSPROC_WRITE ((unsigned long)(8))
#define	NFSPROC_CREATE ((unsigned long)(9))
#define	NFSPROC_REMOVE ((unsigned long)(10))
#define	NFSPROC_RENAME ((unsigned long)(11))
#define	NFSPROC_LINK ((unsigned long)(12))
#define	NFSPROC_SYMLINK ((unsigned long)(13))
#define	NFSPROC_MKDIR ((unsigned long)(14))
#define	NFSPROC_RMDIR ((unsigned long)(15))
#define	NFSPROC_READDIR ((unsigned long)(16))
#define	NFSPROC_STATFS ((unsigned long)(17))

/* map field names */
#define ml_hostname ml_name
#define ml_directory ml_path
#define ml_next ml_nxt
#define gr_next g_next
#define gr_name g_name
#define ex_dir ex_name

/*
 * TYPEDEFS:
 */
typedef char *dirpath;
typedef char *filename;
typedef char *nfspath;
typedef char nfscookie[NFS_COOKIESIZE];
typedef enum nfsftype nfsftype;
typedef enum nfsstat nfsstat;
typedef struct attrstat nfsattrstat;
typedef struct createargs nfscreateargs;
typedef struct dirlist nfsdirlist;
typedef struct diropargs nfsdiropargs;
typedef struct diropokres nfsdiropokres;
typedef struct diropres nfsdiropres;
typedef struct entry nfsentry;
typedef struct fattr nfsfattr;
typedef struct linkargs nfslinkargs;
typedef struct nfs_fh nfs_fh;
typedef struct nfstime nfstime;
typedef struct readargs nfsreadargs;
typedef struct readdirargs nfsreaddirargs;
typedef struct readdirres nfsreaddirres;
typedef struct readlinkres nfsreadlinkres;
typedef struct readokres nfsreadokres;
typedef struct readres nfsreadres;
typedef struct renameargs nfsrenameargs;
typedef struct sattr nfssattr;
typedef struct sattrargs nfssattrargs;
typedef struct statfsokres nfsstatfsokres;
typedef struct statfsres nfsstatfsres;
typedef struct symlinkargs nfssymlinkargs;
typedef struct writeargs nfswriteargs;

typedef char *name;
typedef fhandle_t fhandle;
typedef struct exports *exports;
typedef struct exports exportnode;
typedef struct fhstatus fhstatus;
typedef struct groups *groups;
typedef struct groups groupnode;
typedef struct mountlist *mountlist;
typedef struct mountlist mountbody;


/*
 * EXTERNALS:
 */

extern bool_t xdr_nfsstat(XDR *, nfsstat *);
extern bool_t xdr_ftype(XDR *, nfsftype *);
extern bool_t xdr_nfs_fh(XDR *, nfs_fh *);
extern bool_t xdr_nfstime(XDR *, nfstime *);
extern bool_t xdr_fattr(XDR *, nfsfattr *);
extern bool_t xdr_sattr(XDR *, nfssattr *);
extern bool_t xdr_filename(XDR *, filename *);
extern bool_t xdr_nfspath(XDR *, nfspath *);
extern bool_t xdr_attrstat(XDR *, nfsattrstat *);
extern bool_t xdr_sattrargs(XDR *, nfssattrargs *);
extern bool_t xdr_diropargs(XDR *, nfsdiropargs *);
extern bool_t xdr_diropokres(XDR *, nfsdiropokres *);
extern bool_t xdr_diropres(XDR *, nfsdiropres *);
extern bool_t xdr_readlinkres(XDR *, nfsreadlinkres *);
extern bool_t xdr_readargs(XDR *, nfsreadargs *);
extern bool_t xdr_readokres(XDR *, nfsreadokres *);
extern bool_t xdr_readres(XDR *, nfsreadres *);
extern bool_t xdr_writeargs(XDR *, nfswriteargs *);
extern bool_t xdr_createargs(XDR *, nfscreateargs *);
extern bool_t xdr_renameargs(XDR *, nfsrenameargs *);
extern bool_t xdr_linkargs(XDR *, nfslinkargs *);
extern bool_t xdr_symlinkargs(XDR *, nfssymlinkargs *);
extern bool_t xdr_nfscookie(XDR *, nfscookie);
extern bool_t xdr_readdirargs(XDR *, nfsreaddirargs *);
extern bool_t xdr_entry(XDR *, nfsentry *);
extern bool_t xdr_dirlist(XDR *, nfsdirlist *);
extern bool_t xdr_readdirres(XDR *, nfsreaddirres *);
extern bool_t xdr_statfsokres(XDR *, nfsstatfsokres *);
extern bool_t xdr_statfsres(XDR *, nfsstatfsres *);

extern nfsattrstat *nfsproc_getattr_2(nfs_fh *, CLIENT *);
extern nfsattrstat *nfsproc_getattr_2_svc(nfs_fh *, struct svc_req *);
extern nfsattrstat *nfsproc_setattr_2(nfssattrargs *, CLIENT *);
extern nfsattrstat *nfsproc_setattr_2_svc(nfssattrargs *, struct svc_req *);
extern nfsattrstat *nfsproc_write_2(nfswriteargs *, CLIENT *);
extern nfsattrstat *nfsproc_write_2_svc(nfswriteargs *, struct svc_req *);
extern nfsdiropres *nfsproc_create_2(nfscreateargs *, CLIENT *);
extern nfsdiropres *nfsproc_create_2_svc(nfscreateargs *, struct svc_req *);
extern nfsdiropres *nfsproc_lookup_2(nfsdiropargs *, CLIENT *);
extern nfsdiropres *nfsproc_lookup_2_svc(nfsdiropargs *, struct svc_req *);
extern nfsdiropres *nfsproc_mkdir_2(nfscreateargs *, CLIENT *);
extern nfsdiropres *nfsproc_mkdir_2_svc(nfscreateargs *, struct svc_req *);
extern nfsstat *nfsproc_link_2(nfslinkargs *, CLIENT *);
extern nfsstat *nfsproc_link_2_svc(nfslinkargs *, struct svc_req *);
extern nfsstat *nfsproc_remove_2(nfsdiropargs *, CLIENT *);
extern nfsstat *nfsproc_remove_2_svc(nfsdiropargs *, struct svc_req *);
extern nfsstat *nfsproc_rename_2(nfsrenameargs *, CLIENT *);
extern nfsstat *nfsproc_rename_2_svc(nfsrenameargs *, struct svc_req *);
extern nfsstat *nfsproc_rmdir_2(nfsdiropargs *, CLIENT *);
extern nfsstat *nfsproc_rmdir_2_svc(nfsdiropargs *, struct svc_req *);
extern nfsstat *nfsproc_symlink_2(nfssymlinkargs *, CLIENT *);
extern nfsstat *nfsproc_symlink_2_svc(nfssymlinkargs *, struct svc_req *);
extern nfsreaddirres *nfsproc_readdir_2(nfsreaddirargs *, CLIENT *);
extern nfsreaddirres *nfsproc_readdir_2_svc(nfsreaddirargs *, struct svc_req *);
extern nfsreadlinkres *nfsproc_readlink_2(nfs_fh *, CLIENT *);
extern nfsreadlinkres *nfsproc_readlink_2_svc(nfs_fh *, struct svc_req *);
extern nfsreadres *nfsproc_read_2(nfsreadargs *, CLIENT *);
extern nfsreadres *nfsproc_read_2_svc(nfsreadargs *, struct svc_req *);
extern nfsstatfsres *nfsproc_statfs_2(nfs_fh *, CLIENT *);
extern nfsstatfsres *nfsproc_statfs_2_svc(nfs_fh *, struct svc_req *);
extern void *nfsproc_null_2(void *, CLIENT *);
extern void *nfsproc_null_2_svc(void *, struct svc_req *);
extern void *nfsproc_root_2(void *, CLIENT *);
extern void *nfsproc_root_2_svc(void *, struct svc_req *);
extern void *nfsproc_writecache_2(void *, CLIENT *);
extern void *nfsproc_writecache_2_svc(void *, struct svc_req *);
extern int nfs_program_2_freeresult(SVCXPRT *, xdrproc_t, caddr_t);


/*
 * ENUMS:
 */


/*
 * STRUCTURES:
 */
/* ncr2 (sysv4) forgets to include this in <sys/resource.h> */
struct rusage {
  struct timeval ru_utime;	/* user time used */
  struct timeval ru_stime;	/* system time used */
  long	ru_maxrss;		/* XXX: 0 */
  long	ru_ixrss;		/* XXX: 0 */
  long	ru_idrss;		/* XXX: sum of rm_asrss */
  long	ru_isrss;		/* XXX: 0 */
  long	ru_minflt;		/* any page faults not requiring I/O */
  long	ru_majflt;		/* any page faults requiring I/O */
  long	ru_nswap;		/* swaps */
  long	ru_inblock;		/* block input operations */
  long	ru_oublock;		/* block output operations */
  long	ru_msgsnd;		/* messages sent */
  long	ru_msgrcv;		/* messages received */
  long	ru_nsignals;		/* signals received */
  long	ru_nvcsw;		/* voluntary context switches */
  long	ru_nivcsw;		/* involuntary " */
};

/*
 * ncr2 has ndbm functions, but no <ndbm.h>
 * only a partial <rpcsvc/dbm.h>
 */
#define	PBLKSIZ 1024
#define	DBLKSIZ 4096
typedef struct {
  int	dbm_dirf;		/* open directory file */
  int	dbm_pagf;		/* open page file */
  int	dbm_flags;		/* flags, see below */
  long	dbm_maxbno;		/* last ``bit'' in dir file */
  long	dbm_bitno;		/* current bit number */
  long	dbm_hmask;		/* hash mask */
  long	dbm_blkptr;		/* current block for dbm_nextkey */
  int	dbm_keyptr;		/* current key for dbm_nextkey */
  long	dbm_blkno;		/* current page to read/write */
  long	dbm_pagbno;		/* current page in pagbuf */
  char	dbm_pagbuf[PBLKSIZ];	/* page file block buffer */
  long	dbm_dirbno;		/* current block in dirbuf */
  char	dbm_dirbuf[DBLKSIZ];	/* directory file block buffer */
} DBM;
#define _DBM_RDONLY     0x1     /* data base open read-only */
#define _DBM_IOERR      0x2     /* data base I/O error */
#define dbm_rdonly(db)  ((db)->dbm_flags & _DBM_RDONLY)
#define dbm_error(db)   ((db)->dbm_flags & _DBM_IOERR)
				/* use this one at your own risk! */
#define dbm_clearerr(db)        ((db)->dbm_flags &= ~_DBM_IOERR)
/* for fstat(2) */
#define dbm_dirfno(db)  ((db)->dbm_dirf)
#define dbm_pagfno(db)  ((db)->dbm_pagf)
/*
 * flags to dbm_store()
 */
#define DBM_INSERT      0
#define DBM_REPLACE     1
extern DBM	*dbm_open(char *, int, int);
extern void	dbm_close(DBM *);
#ifndef DATUM
typedef	struct {
  char *dptr;
  int  dsize;
} datum;
# define DATUM
#endif /* not DATUM */
extern datum	dbm_fetch(DBM *, datum);
extern datum	dbm_firstkey(DBM *);
extern datum	dbm_nextkey(DBM *);
extern int	dbm_delete(DBM *, datum);
extern int	dbm_store(DBM *, datum, datum, int);


struct nfs_fh {
  char fh_data[NFS_FHSIZE];
};

struct nfstime {
  u_int nt_seconds;
  u_int nt_useconds;
};

struct fattr {
  nfsftype na_type;
  u_int na_mode;
  u_int na_nlink;
  u_int na_uid;
  u_int na_gid;
  u_int na_size;
  u_int na_blocksize;
  u_int na_rdev;
  u_int na_blocks;
  u_int na_fsid;
  u_int na_fileid;
  nfstime na_atime;
  nfstime na_mtime;
  nfstime na_ctime;
};

struct sattr {
  u_int sa_mode;
  u_int sa_uid;
  u_int sa_gid;
  u_int sa_size;
  nfstime sa_atime;
  nfstime sa_mtime;
};

struct attrstat {
  nfsstat ns_status;
  union {
    nfsfattr ns_attr_u;
  } ns_u;
};

struct sattrargs {
  nfs_fh sag_fhandle;
  nfssattr sag_attributes;
};

struct diropargs {
  nfs_fh da_fhandle;		/* was dir */
  filename da_name;
};

struct diropokres {
  nfs_fh drok_fhandle;
  nfsfattr drok_attributes;
};

struct diropres {
  nfsstat dr_status;		/* was status */
  union {
    nfsdiropokres dr_drok_u;	/* was diropres */
  } dr_u;			/* was diropres_u */
};

struct readlinkres {
  nfsstat rlr_status;
  union {
    nfspath rlr_data_u;
  } rlr_u;
};

struct readargs {
  nfs_fh ra_fhandle;
  u_int ra_offset;
  u_int ra_count;
  u_int ra_totalcount;
};

struct readokres {
  nfsfattr raok_attributes;
  struct {
    u_int raok_len_u;
    char *raok_val_u;
  } raok_u;
};

struct readres {
  nfsstat rr_status;
  union {
    nfsreadokres rr_reply_u;
  } rr_u;
};

struct writeargs {
  nfs_fh wra_fhandle;
  u_int wra_beginoffset;
  u_int wra_offset;
  u_int wra_totalcount;
  struct {
    u_int wra_len_u;
    char *wra_val_u;
  } wra_u;
};

struct createargs {
  nfsdiropargs ca_where;
  nfssattr ca_attributes;
};

struct renameargs {
  nfsdiropargs rna_from;
  nfsdiropargs rna_to;
};

struct linkargs {
  nfs_fh la_fhandle;
  nfsdiropargs la_to;
};

struct symlinkargs {
  nfsdiropargs sla_from;
  nfspath sla_to;
  nfssattr sla_attributes;
};

struct readdirargs {
  nfs_fh rda_fhandle;
  nfscookie rda_cookie;
  u_int rda_count;
};

struct entry {
  u_int ne_fileid;
  filename ne_name;
  nfscookie ne_cookie;
  nfsentry *ne_nextentry;
};

struct dirlist {
  nfsentry *dl_entries;
  bool_t dl_eof;
};

struct readdirres {
  nfsstat rdr_status;
  union {
    nfsdirlist rdr_reply_u;
  } rdr_u;
};

struct statfsokres {
  u_int sfrok_tsize;
  u_int sfrok_bsize;
  u_int sfrok_blocks;
  u_int sfrok_bfree;
  u_int sfrok_bavail;
};

struct statfsres {
  nfsstat sfr_status;
  union {
    nfsstatfsokres sfr_reply_u;
  } sfr_u;
};

#endif /* not _AMU_NFS_PROT_H */