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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [librpc/] [include/] [rpcsvc/] [mount.x] - Rev 30

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/*
 * 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.
 * 
 * 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
 */

/*
 * Protocol description for the mount program
 */

#ifndef RPC_HDR
%#ifndef lint
%/*static char sccsid[] = "from: @(#)mount.x 1.2 87/09/18 Copyr 1987 Sun Micro";*/
%/*static char sccsid[] = "from: @(#)mount.x    2.1 88/08/01 4.0 RPCSRC";*/
%static const char rcsid[] =
%  "$FreeBSD: src/include/rpcsvc/mount.x,v 1.6 1999/08/27 23:45:08 peter Exp $";
%#endif /* not lint */
#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 */
#ifdef WANT_NFS3
const FHSIZE3 = 64;             /* size in bytes of a file handle (v3) */
#endif

/*
 * 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]; 
#ifdef WANT_NFS3
typedef opaque fhandle3<FHSIZE3>;
#endif

/*
 * 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;
};

#ifdef WANT_NFS3
/*
 * Status codes returned by the version 3 mount call.
 */
enum mountstat3 {
        MNT3_OK = 0,                 /* no error */
        MNT3ERR_PERM = 1,            /* Not owner */
        MNT3ERR_NOENT = 2,           /* No such file or directory */
        MNT3ERR_IO = 5,              /* I/O error */
        MNT3ERR_ACCES = 13,          /* Permission denied */
        MNT3ERR_NOTDIR = 20,         /* Not a directory */
        MNT3ERR_INVAL = 22,          /* Invalid argument */
        MNT3ERR_NAMETOOLONG = 63,    /* Filename too long */
        MNT3ERR_NOTSUPP = 10004,     /* Operation not supported */
        MNT3ERR_SERVERFAULT = 10006  /* A failure on the server */
};

struct mountres3_ok {
        fhandle3        fhandle;
        int             auth_flavors<>;
};

union mountres3 switch (mountstat3 fhs_status) {
case 0:
        mountres3_ok    mountinfo;
default:
        void;
};
#endif

/*
 * 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;
};

program MOUNTPROG {
        /*
         * Version one of the mount protocol communicates with version two
         * of the NFS protocol. Version three communicates with
         * version three 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;
#ifdef WANT_NFS3
        version MOUNTVERS3 {
                /*
                 * Does no work. It is made available in all RPC services
                 * to allow server reponse testing and timing
                 */
                void
                MOUNTPROC_NULL(void) = 0;

                /*
                 * If mountres3.fhs_status is MNT3_OK, then
                 * mountres3.mountinfo contains the file handle for
                 * the directory and a list of acceptable
                 * authentication flavors.  This file handle may only
                 * be used in the NFS version 3 protocol.  This
                 * procedure also results in the server adding a new
                 * entry to its mount list recording that this client
                 * has mounted the directory. AUTH_UNIX authentication
                 * or better is required.
                 */
                mountres3
                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;
        } = 3;
#endif
} = 100005;

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