251 lines
8.4 KiB
C
251 lines
8.4 KiB
C
/*
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* Copyright (c) 1997-2001 Erez Zadok
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* Copyright (c) 1989 Jan-Simon Pendry
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* Copyright (c) 1989 Imperial College of Science, Technology & Medicine
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* Copyright (c) 1989 The Regents of the University of California.
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* All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Jan-Simon Pendry at Imperial College, London.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgment:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* %W% (Berkeley) %G%
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*
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* $Id: nfs_prot_svc.c,v 1.4.2.2 2001/01/12 23:29:01 ro Exp $
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*
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*/
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif /* HAVE_CONFIG_H */
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#include <am_defs.h>
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#include <hlfsd.h>
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/* EXTERNAL FUNCTIONS */
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extern voidp nfsproc_null_2_svc(voidp, struct svc_req *);
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extern nfsattrstat *nfsproc_getattr_2_svc(am_nfs_fh *, struct svc_req *);
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extern nfsattrstat *nfsproc_setattr_2_svc(nfssattrargs *, struct svc_req *);
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extern voidp nfsproc_root_2_svc(voidp, struct svc_req *);
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extern nfsdiropres *nfsproc_lookup_2_svc(nfsdiropargs *, struct svc_req *);
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extern nfsreadlinkres *nfsproc_readlink_2_svc(am_nfs_fh *, struct svc_req *);
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extern nfsreadres *nfsproc_read_2_svc(nfsreadargs *, struct svc_req *);
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extern voidp nfsproc_writecache_2_svc(voidp, struct svc_req *);
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extern nfsattrstat *nfsproc_write_2_svc(nfswriteargs *, struct svc_req *);
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extern nfsdiropres *nfsproc_create_2_svc(nfscreateargs *, struct svc_req *);
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extern nfsstat *nfsproc_remove_2_svc(nfsdiropargs *, struct svc_req *);
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extern nfsstat *nfsproc_rename_2_svc(nfsrenameargs *, struct svc_req *);
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extern nfsstat *nfsproc_link_2_svc(nfslinkargs *, struct svc_req *);
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extern nfsstat *nfsproc_symlink_2_svc(nfssymlinkargs *, struct svc_req *);
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extern nfsdiropres *nfsproc_mkdir_2_svc(nfscreateargs *, struct svc_req *);
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extern nfsstat *nfsproc_rmdir_2_svc(nfsdiropargs *, struct svc_req *);
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extern nfsreaddirres *nfsproc_readdir_2_svc(nfsreaddirargs *, struct svc_req *);
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extern nfsstatfsres *nfsproc_statfs_2_svc(am_nfs_fh *, struct svc_req *);
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/* GLOBALS */
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SVCXPRT *nfs_program_2_transp;
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/* TYPEDEFS */
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typedef char *(*nfssvcproc_t)(voidp, struct svc_req *);
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void
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nfs_program_2(struct svc_req *rqstp, SVCXPRT *transp)
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{
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union {
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am_nfs_fh nfsproc_getattr_2_arg;
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nfssattrargs nfsproc_setattr_2_arg;
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nfsdiropargs nfsproc_lookup_2_arg;
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am_nfs_fh nfsproc_readlink_2_arg;
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nfsreadargs nfsproc_read_2_arg;
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nfswriteargs nfsproc_write_2_arg;
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nfscreateargs nfsproc_create_2_arg;
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nfsdiropargs nfsproc_remove_2_arg;
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nfsrenameargs nfsproc_rename_2_arg;
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nfslinkargs nfsproc_link_2_arg;
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nfssymlinkargs nfsproc_symlink_2_arg;
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nfscreateargs nfsproc_mkdir_2_arg;
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nfsdiropargs nfsproc_rmdir_2_arg;
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nfsreaddirargs nfsproc_readdir_2_arg;
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am_nfs_fh nfsproc_statfs_2_arg;
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} argument;
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char *result;
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xdrproc_t xdr_argument, xdr_result;
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nfssvcproc_t local;
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nfs_program_2_transp = NULL;
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switch (rqstp->rq_proc) {
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case NFSPROC_NULL:
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xdr_argument = (xdrproc_t) xdr_void;
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xdr_result = (xdrproc_t) xdr_void;
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local = (nfssvcproc_t) nfsproc_null_2_svc;
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break;
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case NFSPROC_GETATTR:
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xdr_argument = (xdrproc_t) xdr_nfs_fh;
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xdr_result = (xdrproc_t) xdr_attrstat;
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local = (nfssvcproc_t) nfsproc_getattr_2_svc;
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break;
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case NFSPROC_SETATTR:
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xdr_argument = (xdrproc_t) xdr_sattrargs;
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xdr_result = (xdrproc_t) xdr_attrstat;
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local = (nfssvcproc_t) nfsproc_setattr_2_svc;
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break;
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case NFSPROC_ROOT:
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xdr_argument = (xdrproc_t) xdr_void;
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xdr_result = (xdrproc_t) xdr_void;
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local = (nfssvcproc_t) nfsproc_root_2_svc;
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break;
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case NFSPROC_LOOKUP:
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xdr_argument = (xdrproc_t) xdr_diropargs;
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xdr_result = (xdrproc_t) xdr_diropres;
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local = (nfssvcproc_t) nfsproc_lookup_2_svc;
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/*
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* Cheap way to pass transp down to afs_lookuppn so it can
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* be stored in the am_node structure and later used for
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* quick_reply().
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*/
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nfs_program_2_transp = transp;
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break;
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case NFSPROC_READLINK:
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xdr_argument = (xdrproc_t) xdr_nfs_fh;
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xdr_result = (xdrproc_t) xdr_readlinkres;
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local = (nfssvcproc_t) nfsproc_readlink_2_svc;
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break;
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case NFSPROC_READ:
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xdr_argument = (xdrproc_t) xdr_readargs;
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xdr_result = (xdrproc_t) xdr_readres;
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local = (nfssvcproc_t) nfsproc_read_2_svc;
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break;
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case NFSPROC_WRITECACHE:
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xdr_argument = (xdrproc_t) xdr_void;
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xdr_result = (xdrproc_t) xdr_void;
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local = (nfssvcproc_t) nfsproc_writecache_2_svc;
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break;
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case NFSPROC_WRITE:
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xdr_argument = (xdrproc_t) xdr_writeargs;
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xdr_result = (xdrproc_t) xdr_attrstat;
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local = (nfssvcproc_t) nfsproc_write_2_svc;
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break;
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case NFSPROC_CREATE:
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xdr_argument = (xdrproc_t) xdr_createargs;
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xdr_result = (xdrproc_t) xdr_diropres;
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local = (nfssvcproc_t) nfsproc_create_2_svc;
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break;
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case NFSPROC_REMOVE:
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xdr_argument = (xdrproc_t) xdr_diropargs;
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xdr_result = (xdrproc_t) xdr_nfsstat;
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local = (nfssvcproc_t) nfsproc_remove_2_svc;
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break;
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case NFSPROC_RENAME:
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xdr_argument = (xdrproc_t) xdr_renameargs;
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xdr_result = (xdrproc_t) xdr_nfsstat;
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local = (nfssvcproc_t) nfsproc_rename_2_svc;
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break;
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case NFSPROC_LINK:
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xdr_argument = (xdrproc_t) xdr_linkargs;
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xdr_result = (xdrproc_t) xdr_nfsstat;
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local = (nfssvcproc_t) nfsproc_link_2_svc;
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break;
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case NFSPROC_SYMLINK:
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xdr_argument = (xdrproc_t) xdr_symlinkargs;
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xdr_result = (xdrproc_t) xdr_nfsstat;
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local = (nfssvcproc_t) nfsproc_symlink_2_svc;
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break;
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case NFSPROC_MKDIR:
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xdr_argument = (xdrproc_t) xdr_createargs;
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xdr_result = (xdrproc_t) xdr_diropres;
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local = (nfssvcproc_t) nfsproc_mkdir_2_svc;
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break;
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case NFSPROC_RMDIR:
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xdr_argument = (xdrproc_t) xdr_diropargs;
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xdr_result = (xdrproc_t) xdr_nfsstat;
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local = (nfssvcproc_t) nfsproc_rmdir_2_svc;
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break;
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case NFSPROC_READDIR:
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xdr_argument = (xdrproc_t) xdr_readdirargs;
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xdr_result = (xdrproc_t) xdr_readdirres;
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local = (nfssvcproc_t) nfsproc_readdir_2_svc;
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break;
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case NFSPROC_STATFS:
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xdr_argument = (xdrproc_t) xdr_nfs_fh;
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xdr_result = (xdrproc_t) xdr_statfsres;
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local = (nfssvcproc_t) nfsproc_statfs_2_svc;
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break;
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default:
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svcerr_noproc(transp);
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return;
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}
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memset((char *) &argument, 0, sizeof(argument));
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if (!svc_getargs(transp,
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(XDRPROC_T_TYPE) xdr_argument,
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(SVC_IN_ARG_TYPE) &argument)) {
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plog(XLOG_ERROR,
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"NFS xdr decode failed for %d %d %d",
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(int) rqstp->rq_prog, (int) rqstp->rq_vers, (int) rqstp->rq_proc);
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svcerr_decode(transp);
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return;
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}
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result = (*local) (&argument, rqstp);
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nfs_program_2_transp = NULL;
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if (result != NULL && !svc_sendreply(transp,
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(XDRPROC_T_TYPE) xdr_result,
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result)) {
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svcerr_systemerr(transp);
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}
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if (!svc_freeargs(transp,
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(XDRPROC_T_TYPE) xdr_argument,
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(SVC_IN_ARG_TYPE) & argument)) {
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plog(XLOG_FATAL, "unable to free rpc arguments in nfs_program_2");
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going_down(1);
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}
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}
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