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| Current File : //usr/src/contrib/amd/hlfsd/nfs_prot_svc.c |
/*
* Copyright (c) 1997-2006 Erez Zadok
* 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 acknowledgment:
* 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.
*
*
* File: am-utils/hlfsd/nfs_prot_svc.c
*
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif /* HAVE_CONFIG_H */
#include <am_defs.h>
#include <hlfsd.h>
/* EXTERNAL FUNCTIONS */
extern voidp nfsproc_null_2_svc(voidp, struct svc_req *);
extern nfsattrstat *nfsproc_getattr_2_svc(am_nfs_fh *, struct svc_req *);
extern nfsattrstat *nfsproc_setattr_2_svc(nfssattrargs *, struct svc_req *);
extern voidp nfsproc_root_2_svc(voidp, struct svc_req *);
extern nfsdiropres *nfsproc_lookup_2_svc(nfsdiropargs *, struct svc_req *);
extern nfsreadlinkres *nfsproc_readlink_2_svc(am_nfs_fh *, struct svc_req *);
extern nfsreadres *nfsproc_read_2_svc(nfsreadargs *, struct svc_req *);
extern voidp nfsproc_writecache_2_svc(voidp, struct svc_req *);
extern nfsattrstat *nfsproc_write_2_svc(nfswriteargs *, struct svc_req *);
extern nfsdiropres *nfsproc_create_2_svc(nfscreateargs *, struct svc_req *);
extern nfsstat *nfsproc_remove_2_svc(nfsdiropargs *, struct svc_req *);
extern nfsstat *nfsproc_rename_2_svc(nfsrenameargs *, struct svc_req *);
extern nfsstat *nfsproc_link_2_svc(nfslinkargs *, struct svc_req *);
extern nfsstat *nfsproc_symlink_2_svc(nfssymlinkargs *, struct svc_req *);
extern nfsdiropres *nfsproc_mkdir_2_svc(nfscreateargs *, struct svc_req *);
extern nfsstat *nfsproc_rmdir_2_svc(nfsdiropargs *, struct svc_req *);
extern nfsreaddirres *nfsproc_readdir_2_svc(nfsreaddirargs *, struct svc_req *);
extern nfsstatfsres *nfsproc_statfs_2_svc(am_nfs_fh *, struct svc_req *);
/* GLOBALS */
SVCXPRT *nfs_program_2_transp;
/* TYPEDEFS */
typedef char *(*nfssvcproc_t)(voidp, struct svc_req *);
void
nfs_program_2(struct svc_req *rqstp, SVCXPRT *transp)
{
union {
am_nfs_fh nfsproc_getattr_2_arg;
nfssattrargs nfsproc_setattr_2_arg;
nfsdiropargs nfsproc_lookup_2_arg;
am_nfs_fh nfsproc_readlink_2_arg;
nfsreadargs nfsproc_read_2_arg;
nfswriteargs nfsproc_write_2_arg;
nfscreateargs nfsproc_create_2_arg;
nfsdiropargs nfsproc_remove_2_arg;
nfsrenameargs nfsproc_rename_2_arg;
nfslinkargs nfsproc_link_2_arg;
nfssymlinkargs nfsproc_symlink_2_arg;
nfscreateargs nfsproc_mkdir_2_arg;
nfsdiropargs nfsproc_rmdir_2_arg;
nfsreaddirargs nfsproc_readdir_2_arg;
am_nfs_fh nfsproc_statfs_2_arg;
} argument;
char *result;
xdrproc_t xdr_argument, xdr_result;
nfssvcproc_t local;
nfs_program_2_transp = NULL;
switch (rqstp->rq_proc) {
case NFSPROC_NULL:
xdr_argument = (xdrproc_t) xdr_void;
xdr_result = (xdrproc_t) xdr_void;
local = (nfssvcproc_t) nfsproc_null_2_svc;
break;
case NFSPROC_GETATTR:
xdr_argument = (xdrproc_t) xdr_nfs_fh;
xdr_result = (xdrproc_t) xdr_attrstat;
local = (nfssvcproc_t) nfsproc_getattr_2_svc;
break;
case NFSPROC_SETATTR:
xdr_argument = (xdrproc_t) xdr_sattrargs;
xdr_result = (xdrproc_t) xdr_attrstat;
local = (nfssvcproc_t) nfsproc_setattr_2_svc;
break;
case NFSPROC_ROOT:
xdr_argument = (xdrproc_t) xdr_void;
xdr_result = (xdrproc_t) xdr_void;
local = (nfssvcproc_t) nfsproc_root_2_svc;
break;
case NFSPROC_LOOKUP:
xdr_argument = (xdrproc_t) xdr_diropargs;
xdr_result = (xdrproc_t) xdr_diropres;
local = (nfssvcproc_t) nfsproc_lookup_2_svc;
/*
* Cheap way to pass transp down to afs_lookuppn so it can
* be stored in the am_node structure and later used for
* quick_reply().
*/
nfs_program_2_transp = transp;
break;
case NFSPROC_READLINK:
xdr_argument = (xdrproc_t) xdr_nfs_fh;
xdr_result = (xdrproc_t) xdr_readlinkres;
local = (nfssvcproc_t) nfsproc_readlink_2_svc;
break;
case NFSPROC_READ:
xdr_argument = (xdrproc_t) xdr_readargs;
xdr_result = (xdrproc_t) xdr_readres;
local = (nfssvcproc_t) nfsproc_read_2_svc;
break;
case NFSPROC_WRITECACHE:
xdr_argument = (xdrproc_t) xdr_void;
xdr_result = (xdrproc_t) xdr_void;
local = (nfssvcproc_t) nfsproc_writecache_2_svc;
break;
case NFSPROC_WRITE:
xdr_argument = (xdrproc_t) xdr_writeargs;
xdr_result = (xdrproc_t) xdr_attrstat;
local = (nfssvcproc_t) nfsproc_write_2_svc;
break;
case NFSPROC_CREATE:
xdr_argument = (xdrproc_t) xdr_createargs;
xdr_result = (xdrproc_t) xdr_diropres;
local = (nfssvcproc_t) nfsproc_create_2_svc;
break;
case NFSPROC_REMOVE:
xdr_argument = (xdrproc_t) xdr_diropargs;
xdr_result = (xdrproc_t) xdr_nfsstat;
local = (nfssvcproc_t) nfsproc_remove_2_svc;
break;
case NFSPROC_RENAME:
xdr_argument = (xdrproc_t) xdr_renameargs;
xdr_result = (xdrproc_t) xdr_nfsstat;
local = (nfssvcproc_t) nfsproc_rename_2_svc;
break;
case NFSPROC_LINK:
xdr_argument = (xdrproc_t) xdr_linkargs;
xdr_result = (xdrproc_t) xdr_nfsstat;
local = (nfssvcproc_t) nfsproc_link_2_svc;
break;
case NFSPROC_SYMLINK:
xdr_argument = (xdrproc_t) xdr_symlinkargs;
xdr_result = (xdrproc_t) xdr_nfsstat;
local = (nfssvcproc_t) nfsproc_symlink_2_svc;
break;
case NFSPROC_MKDIR:
xdr_argument = (xdrproc_t) xdr_createargs;
xdr_result = (xdrproc_t) xdr_diropres;
local = (nfssvcproc_t) nfsproc_mkdir_2_svc;
break;
case NFSPROC_RMDIR:
xdr_argument = (xdrproc_t) xdr_diropargs;
xdr_result = (xdrproc_t) xdr_nfsstat;
local = (nfssvcproc_t) nfsproc_rmdir_2_svc;
break;
case NFSPROC_READDIR:
xdr_argument = (xdrproc_t) xdr_readdirargs;
xdr_result = (xdrproc_t) xdr_readdirres;
local = (nfssvcproc_t) nfsproc_readdir_2_svc;
break;
case NFSPROC_STATFS:
xdr_argument = (xdrproc_t) xdr_nfs_fh;
xdr_result = (xdrproc_t) xdr_statfsres;
local = (nfssvcproc_t) nfsproc_statfs_2_svc;
break;
default:
svcerr_noproc(transp);
return;
}
memset((char *) &argument, 0, sizeof(argument));
if (!svc_getargs(transp,
(XDRPROC_T_TYPE) xdr_argument,
(SVC_IN_ARG_TYPE) &argument)) {
plog(XLOG_ERROR,
"NFS xdr decode failed for %d %d %d",
(int) rqstp->rq_prog, (int) rqstp->rq_vers, (int) rqstp->rq_proc);
svcerr_decode(transp);
return;
}
result = (*local) (&argument, rqstp);
nfs_program_2_transp = NULL;
if (result != NULL && !svc_sendreply(transp,
(XDRPROC_T_TYPE) xdr_result,
result)) {
svcerr_systemerr(transp);
}
if (!svc_freeargs(transp,
(XDRPROC_T_TYPE) xdr_argument,
(SVC_IN_ARG_TYPE) & argument)) {
plog(XLOG_FATAL, "unable to free rpc arguments in nfs_program_2");
going_down(1);
}
}