%/*
% * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
% * unrestricted use provided that this legend is included on all tape
% * media and as a part of the software program in whole or part.  Users
% * may copy or modify Sun RPC without charge, but are not authorized
% * to license or distribute it to anyone else except as part of a product or
% * program developed by the user or with the express written consent of
% * Sun Microsystems, Inc.
% *
% * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
% * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
% * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
% *
% * Sun RPC is provided with no support and without any obligation on the
% * part of Sun Microsystems, Inc. to assist in its use, correction,
% * modification or enhancement.
% *
% * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
% * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
% * OR ANY PART THEREOF.
% *
% * In no event will Sun Microsystems, Inc. be liable for any lost revenue
% * or profits or other special, indirect and consequential damages, even if
% * Sun has been advised of the possibility of such damages.
% *
% * Sun Microsystems, Inc.
% * 2550 Garcia Avenue
% * Mountain View, California  94043
% */

%/*
% * Copyright (c) 1985, 1990 by Sun Microsystems, Inc.
% */
%
%/* from @(#)mount.x    1.3 91/03/11 TIRPC 1.0 */

/*
 * Protocol description for the mount program
 */

#ifdef RPC_HDR
%#ifndef _rpcsvc_mount_h
%#define _rpcsvc_mount_h
#endif

const MNTPATHLEN = 1024;        /* maximum bytes in a pathname argument */
const MNTNAMLEN = 255;          /* maximum bytes in a name argument */
const FHSIZE = 32;              /* size in bytes of a file handle */

/*
 * The fhandle is the file handle that the server passes to the client.
 * All file operations are done using the file handles to refer to a file
 * or a directory. The file handle can contain whatever information the
 * server needs to distinguish an individual file.
 */
typedef opaque fhandle[FHSIZE]; 

/*
 * If a status of zero is returned, the call completed successfully, and 
 * a file handle for the directory follows. A non-zero status indicates
 * some sort of error. The status corresponds with UNIX error numbers.
 */
union fhstatus switch (unsigned fhs_status) {
case 0:
        fhandle fhs_fhandle;
default:
        void;
};

/*
 * The type dirpath is the pathname of a directory
 */
typedef string dirpath<MNTPATHLEN>;

/*
 * The type name is used for arbitrary names (hostnames, groupnames)
 */
typedef string name<MNTNAMLEN>;

/*
 * A list of who has what mounted
 */
typedef struct mountbody *mountlist;
struct mountbody {
        name ml_hostname;
        dirpath ml_directory;
        mountlist ml_next;
};

/*
 * A list of netgroups
 */
typedef struct groupnode *groups;
struct groupnode {
        name gr_name;
        groups gr_next;
};

/*
 * A list of what is exported and to whom
 */
typedef struct exportnode *exports;
struct exportnode {
        dirpath ex_dir;
        groups ex_groups;
        exports ex_next;
};

/*
 * POSIX pathconf information
 */
struct ppathcnf {
        int     pc_link_max;    /* max links allowed */
        short   pc_max_canon;   /* max line len for a tty */
        short   pc_max_input;   /* input a tty can eat all at once */
        short   pc_name_max;    /* max file name length (dir entry) */
        short   pc_path_max;    /* max path name length (/x/y/x/.. ) */
        short   pc_pipe_buf;    /* size of a pipe (bytes) */
        u_char  pc_vdisable;    /* safe char to turn off c_cc[i] */
        char    pc_xxx;         /* alignment padding; cc_t == char */
        short   pc_mask[2];     /* validity and boolean bits */
};

program MOUNTPROG {
        /*
         * Version one of the mount protocol communicates with version two
         * of the NFS protocol. The only connecting point is the fhandle 
         * structure, which is the same for both protocols.
         */
        version MOUNTVERS {
                /*
                 * Does no work. It is made available in all RPC services
                 * to allow server reponse testing and timing
                 */
                void
                MOUNTPROC_NULL(void) = 0;

                /*      
                 * If fhs_status is 0, then fhs_fhandle contains the
                 * file handle for the directory. This file handle may
                 * be used in the NFS protocol. This procedure also adds
                 * a new entry to the mount list for this client mounting
                 * the directory.
                 * Unix authentication required.
                 */
                fhstatus 
                MOUNTPROC_MNT(dirpath) = 1;

                /*
                 * Returns the list of remotely mounted filesystems. The 
                 * mountlist contains one entry for each hostname and 
                 * directory pair.
                 */
                mountlist
                MOUNTPROC_DUMP(void) = 2;

                /*
                 * Removes the mount list entry for the directory
                 * Unix authentication required.
                 */
                void
                MOUNTPROC_UMNT(dirpath) = 3;

                /*
                 * Removes all of the mount list entries for this client
                 * Unix authentication required.
                 */
                void
                MOUNTPROC_UMNTALL(void) = 4;

                /*
                 * Returns a list of all the exported filesystems, and which
                 * machines are allowed to import it.
                 */
                exports
                MOUNTPROC_EXPORT(void)  = 5;

                /*
                 * Identical to MOUNTPROC_EXPORT above
                 */
                exports
                MOUNTPROC_EXPORTALL(void) = 6;
        } = 1;

} = 100005;

#ifdef RPC_HDR
%#endif /*!_rpcsvc_mount_h*/
#endif