usr/src/usr.sbin/amd/rpcx/nfs_prot_svc.c

/*
 * Copyright (c) 1989 Jan-Simon Pendry
 * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
 * Copyright (c) 1989 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. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by the University of
 *      California, Berkeley and its contributors.
 * 4. 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.
 *
 *      @(#)nfs_prot_svc.c      5.3 (Berkeley) 5/12/91
 *
 * $Id: nfs_prot_svc.c,v 5.2.1.2 91/05/07 22:18:58 jsp Alpha $
 *
 */

#include "am.h"

void nfs_program_2(rqstp, transp)
struct svc_req *rqstp;
SVCXPRT *transp;
{
        union {
                nfs_fh nfsproc_getattr_2_arg;
                sattrargs nfsproc_setattr_2_arg;
                diropargs nfsproc_lookup_2_arg;
                nfs_fh nfsproc_readlink_2_arg;
                readargs nfsproc_read_2_arg;
                writeargs nfsproc_write_2_arg;
                createargs nfsproc_create_2_arg;
                diropargs nfsproc_remove_2_arg;
                renameargs nfsproc_rename_2_arg;
                linkargs nfsproc_link_2_arg;
                symlinkargs nfsproc_symlink_2_arg;
                createargs nfsproc_mkdir_2_arg;
                diropargs nfsproc_rmdir_2_arg;
                readdirargs nfsproc_readdir_2_arg;
                nfs_fh nfsproc_statfs_2_arg;
        } argument;
        char *result;
        bool_t (*xdr_argument)(), (*xdr_result)();
        char *(*local)();

        switch (rqstp->rq_proc) {
        case NFSPROC_NULL:
                xdr_argument = xdr_void;
                xdr_result = xdr_void;
                local = (char *(*)()) nfsproc_null_2;
                break;

        case NFSPROC_GETATTR:
                xdr_argument = xdr_nfs_fh;
                xdr_result = xdr_attrstat;
                local = (char *(*)()) nfsproc_getattr_2;
                break;

        case NFSPROC_SETATTR:
                xdr_argument = xdr_sattrargs;
                xdr_result = xdr_attrstat;
                local = (char *(*)()) nfsproc_setattr_2;
                break;

        case NFSPROC_ROOT:
                xdr_argument = xdr_void;
                xdr_result = xdr_void;
                local = (char *(*)()) nfsproc_root_2;
                break;

        case NFSPROC_LOOKUP:
                xdr_argument = xdr_diropargs;
                xdr_result = xdr_diropres;
                local = (char *(*)()) nfsproc_lookup_2;
                break;

        case NFSPROC_READLINK:
                xdr_argument = xdr_nfs_fh;
                xdr_result = xdr_readlinkres;
                local = (char *(*)()) nfsproc_readlink_2;
                break;

        case NFSPROC_READ:
                xdr_argument = xdr_readargs;
                xdr_result = xdr_readres;
                local = (char *(*)()) nfsproc_read_2;
                break;

        case NFSPROC_WRITECACHE:
                xdr_argument = xdr_void;
                xdr_result = xdr_void;
                local = (char *(*)()) nfsproc_writecache_2;
                break;

        case NFSPROC_WRITE:
                xdr_argument = xdr_writeargs;
                xdr_result = xdr_attrstat;
                local = (char *(*)()) nfsproc_write_2;
                break;

        case NFSPROC_CREATE:
                xdr_argument = xdr_createargs;
                xdr_result = xdr_diropres;
                local = (char *(*)()) nfsproc_create_2;
                break;

        case NFSPROC_REMOVE:
                xdr_argument = xdr_diropargs;
                xdr_result = xdr_nfsstat;
                local = (char *(*)()) nfsproc_remove_2;
                break;

        case NFSPROC_RENAME:
                xdr_argument = xdr_renameargs;
                xdr_result = xdr_nfsstat;
                local = (char *(*)()) nfsproc_rename_2;
                break;

        case NFSPROC_LINK:
                xdr_argument = xdr_linkargs;
                xdr_result = xdr_nfsstat;
                local = (char *(*)()) nfsproc_link_2;
                break;

        case NFSPROC_SYMLINK:
                xdr_argument = xdr_symlinkargs;
                xdr_result = xdr_nfsstat;
                local = (char *(*)()) nfsproc_symlink_2;
                break;

        case NFSPROC_MKDIR:
                xdr_argument = xdr_createargs;
                xdr_result = xdr_diropres;
                local = (char *(*)()) nfsproc_mkdir_2;
                break;

        case NFSPROC_RMDIR:
                xdr_argument = xdr_diropargs;
                xdr_result = xdr_nfsstat;
                local = (char *(*)()) nfsproc_rmdir_2;
                break;

        case NFSPROC_READDIR:
                xdr_argument = xdr_readdirargs;
                xdr_result = xdr_readdirres;
                local = (char *(*)()) nfsproc_readdir_2;
                break;

        case NFSPROC_STATFS:
                xdr_argument = xdr_nfs_fh;
                xdr_result = xdr_statfsres;
                local = (char *(*)()) nfsproc_statfs_2;
                break;

        default:
                svcerr_noproc(transp);
                return;
        }
        bzero((char *)&argument, sizeof(argument));
        if (!svc_getargs(transp, xdr_argument, &argument)) {
                svcerr_decode(transp);
                return;
        }
        result = (*local)(&argument, rqstp);
        if (result != NULL && !svc_sendreply(transp, xdr_result, result)) {
                svcerr_systemerr(transp);
        }
        if (!svc_freeargs(transp, xdr_argument, &argument)) {
                plog(XLOG_FATAL, "unable to free rpc arguments in nfs_program_1");
                going_down(1);
        }
}