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/*-
* Copyright (c) 2008 Isilon Inc http://www.isilon.com/
* Authors: Doug Rabson <dfr@rabson.org>
* Developed with Red Inc: Alfred Perlstein <alfred@freebsd.org>
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*/
#include <sys/cdefs.h>
#ifndef lint
/*static char sccsid[] = "from: @(#)nlm_prot.x 1.8 87/09/21 Copyr 1987 Sun Micro";*/
/*static char sccsid[] = "from: * @(#)nlm_prot.x 2.1 88/08/01 4.0 RPCSRC";*/
__RCSID("$NetBSD: nlm_prot.x,v 1.6 2000/06/07 14:30:15 bouyer Exp $");
#endif /* not lint */
__FBSDID("$FreeBSD: release/9.1.0/sys/nlm/nlm_prot_server.c 197840 2009-10-07 19:50:14Z zml $");
#include <sys/param.h>
#include <sys/malloc.h>
#include <sys/systm.h>
#include <nlm/nlm_prot.h>
#include <nlm/nlm.h>
/**********************************************************************/
/*
* Convert between various versions of the protocol structures.
*/
static void
nlm_convert_to_nlm4_lock(struct nlm4_lock *dst, struct nlm_lock *src)
{
dst->caller_name = src->caller_name;
dst->fh = src->fh;
dst->oh = src->oh;
dst->svid = src->svid;
dst->l_offset = src->l_offset;
dst->l_len = src->l_len;
}
static void
nlm_convert_to_nlm4_share(struct nlm4_share *dst, struct nlm_share *src)
{
dst->caller_name = src->caller_name;
dst->fh = src->fh;
dst->oh = src->oh;
dst->mode = src->mode;
dst->access = src->access;
}
static void
nlm_convert_to_nlm_holder(struct nlm_holder *dst, struct nlm4_holder *src)
{
dst->exclusive = src->exclusive;
dst->svid = src->svid;
dst->oh = src->oh;
dst->l_offset = src->l_offset;
dst->l_len = src->l_len;
}
static void
nlm_convert_to_nlm4_holder(struct nlm4_holder *dst, struct nlm_holder *src)
{
dst->exclusive = src->exclusive;
dst->svid = src->svid;
dst->oh = src->oh;
dst->l_offset = src->l_offset;
dst->l_len = src->l_len;
}
static enum nlm_stats
nlm_convert_to_nlm_stats(enum nlm4_stats src)
{
if (src > nlm4_deadlck)
return nlm_denied;
return (enum nlm_stats) src;
}
static void
nlm_convert_to_nlm_res(struct nlm_res *dst, struct nlm4_res *src)
{
dst->cookie = src->cookie;
dst->stat.stat = nlm_convert_to_nlm_stats(src->stat.stat);
}
static void
nlm_convert_to_nlm4_res(struct nlm4_res *dst, struct nlm_res *src)
{
dst->cookie = src->cookie;
dst->stat.stat = (enum nlm4_stats) src->stat.stat;
}
/**********************************************************************/
/*
* RPC server stubs.
*/
bool_t
nlm_sm_notify_0_svc(struct nlm_sm_status *argp, void *result, struct svc_req *rqstp)
{
nlm_sm_notify(argp);
return (TRUE);
}
bool_t
nlm_test_1_svc(struct nlm_testargs *argp, nlm_testres *result, struct svc_req *rqstp)
{
bool_t retval;
nlm4_testargs args4;
nlm4_testres res4;
args4.cookie = argp->cookie;
args4.exclusive = argp->exclusive;
nlm_convert_to_nlm4_lock(&args4.alock, &argp->alock);
retval = nlm4_test_4_svc(&args4, &res4, rqstp);
if (retval) {
result->cookie = res4.cookie;
result->stat.stat = nlm_convert_to_nlm_stats(res4.stat.stat);
if (result->stat.stat == nlm_denied)
nlm_convert_to_nlm_holder(
&result->stat.nlm_testrply_u.holder,
&res4.stat.nlm4_testrply_u.holder);
}
return (retval);
}
bool_t
nlm_lock_1_svc(struct nlm_lockargs *argp, nlm_res *result, struct svc_req *rqstp)
{
bool_t retval;
nlm4_lockargs args4;
nlm4_res res4;
args4.cookie = argp->cookie;
args4.block = argp->block;
args4.exclusive = argp->exclusive;
nlm_convert_to_nlm4_lock(&args4.alock, &argp->alock);
args4.reclaim = argp->reclaim;
args4.state = argp->state;
retval = nlm4_lock_4_svc(&args4, &res4, rqstp);
if (retval)
nlm_convert_to_nlm_res(result, &res4);
return (retval);
}
bool_t
nlm_cancel_1_svc(struct nlm_cancargs *argp, nlm_res *result, struct svc_req *rqstp)
{
bool_t retval;
nlm4_cancargs args4;
nlm4_res res4;
args4.cookie = argp->cookie;
args4.block = argp->block;
args4.exclusive = argp->exclusive;
nlm_convert_to_nlm4_lock(&args4.alock, &argp->alock);
retval = nlm4_cancel_4_svc(&args4, &res4, rqstp);
if (retval)
nlm_convert_to_nlm_res(result, &res4);
return (retval);
}
bool_t
nlm_unlock_1_svc(struct nlm_unlockargs *argp, nlm_res *result, struct svc_req *rqstp)
{
bool_t retval;
nlm4_unlockargs args4;
nlm4_res res4;
args4.cookie = argp->cookie;
nlm_convert_to_nlm4_lock(&args4.alock, &argp->alock);
retval = nlm4_unlock_4_svc(&args4, &res4, rqstp);
if (retval)
nlm_convert_to_nlm_res(result, &res4);
return (retval);
}
bool_t
nlm_granted_1_svc(struct nlm_testargs *argp, nlm_res *result, struct svc_req *rqstp)
{
bool_t retval;
nlm4_testargs args4;
nlm4_res res4;
args4.cookie = argp->cookie;
args4.exclusive = argp->exclusive;
nlm_convert_to_nlm4_lock(&args4.alock, &argp->alock);
retval = nlm4_granted_4_svc(&args4, &res4, rqstp);
if (retval)
nlm_convert_to_nlm_res(result, &res4);
return (retval);
}
bool_t
nlm_test_msg_1_svc(struct nlm_testargs *argp, void *result, struct svc_req *rqstp)
{
nlm4_testargs args4;
nlm4_testres res4;
nlm_testres res;
CLIENT *rpc;
char dummy;
args4.cookie = argp->cookie;
args4.exclusive = argp->exclusive;
nlm_convert_to_nlm4_lock(&args4.alock, &argp->alock);
if (nlm_do_test(&args4, &res4, rqstp, &rpc))
return (FALSE);
res.cookie = res4.cookie;
res.stat.stat = nlm_convert_to_nlm_stats(res4.stat.stat);
if (res.stat.stat == nlm_denied)
nlm_convert_to_nlm_holder(
&res.stat.nlm_testrply_u.holder,
&res4.stat.nlm4_testrply_u.holder);
if (rpc) {
nlm_test_res_1(&res, &dummy, rpc, NULL, nlm_zero_tv);
CLNT_RELEASE(rpc);
}
xdr_free((xdrproc_t) xdr_nlm_testres, &res);
return (FALSE);
}
bool_t
nlm_lock_msg_1_svc(struct nlm_lockargs *argp, void *result, struct svc_req *rqstp)
{
nlm4_lockargs args4;
nlm4_res res4;
nlm_res res;
CLIENT *rpc;
char dummy;
args4.cookie = argp->cookie;
args4.block = argp->block;
args4.exclusive = argp->exclusive;
nlm_convert_to_nlm4_lock(&args4.alock, &argp->alock);
args4.reclaim = argp->reclaim;
args4.state = argp->state;
if (nlm_do_lock(&args4, &res4, rqstp, TRUE, &rpc))
return (FALSE);
nlm_convert_to_nlm_res(&res, &res4);
if (rpc) {
nlm_lock_res_1(&res, &dummy, rpc, NULL, nlm_zero_tv);
CLNT_RELEASE(rpc);
}
xdr_free((xdrproc_t) xdr_nlm_res, &res);
return (FALSE);
}
bool_t
nlm_cancel_msg_1_svc(struct nlm_cancargs *argp, void *result, struct svc_req *rqstp)
{
nlm4_cancargs args4;
nlm4_res res4;
nlm_res res;
CLIENT *rpc;
char dummy;
args4.cookie = argp->cookie;
args4.block = argp->block;
args4.exclusive = argp->exclusive;
nlm_convert_to_nlm4_lock(&args4.alock, &argp->alock);
if (nlm_do_cancel(&args4, &res4, rqstp, &rpc))
return (FALSE);
nlm_convert_to_nlm_res(&res, &res4);
if (rpc) {
nlm_cancel_res_1(&res, &dummy, rpc, NULL, nlm_zero_tv);
CLNT_RELEASE(rpc);
}
xdr_free((xdrproc_t) xdr_nlm_res, &res);
return (FALSE);
}
bool_t
nlm_unlock_msg_1_svc(struct nlm_unlockargs *argp, void *result, struct svc_req *rqstp)
{
nlm4_unlockargs args4;
nlm4_res res4;
nlm_res res;
CLIENT *rpc;
char dummy;
args4.cookie = argp->cookie;
nlm_convert_to_nlm4_lock(&args4.alock, &argp->alock);
if (nlm_do_unlock(&args4, &res4, rqstp, &rpc))
return (FALSE);
nlm_convert_to_nlm_res(&res, &res4);
if (rpc) {
nlm_unlock_res_1(&res, &dummy, rpc, NULL, nlm_zero_tv);
CLNT_RELEASE(rpc);
}
xdr_free((xdrproc_t) xdr_nlm_res, &res);
return (FALSE);
}
bool_t
nlm_granted_msg_1_svc(struct nlm_testargs *argp, void *result, struct svc_req *rqstp)
{
nlm4_testargs args4;
nlm4_res res4;
nlm_res res;
CLIENT *rpc;
char dummy;
args4.cookie = argp->cookie;
args4.exclusive = argp->exclusive;
nlm_convert_to_nlm4_lock(&args4.alock, &argp->alock);
if (nlm_do_granted(&args4, &res4, rqstp, &rpc))
return (FALSE);
nlm_convert_to_nlm_res(&res, &res4);
if (rpc) {
nlm_granted_res_1(&res, &dummy, rpc, NULL, nlm_zero_tv);
CLNT_RELEASE(rpc);
}
xdr_free((xdrproc_t) xdr_nlm_res, &res);
return (FALSE);
}
bool_t
nlm_test_res_1_svc(nlm_testres *argp, void *result, struct svc_req *rqstp)
{
nlm4_testres args4;
args4.cookie = argp->cookie;
if (argp->stat.stat == nlm_denied)
nlm_convert_to_nlm4_holder(
&args4.stat.nlm4_testrply_u.holder,
&argp->stat.nlm_testrply_u.holder);
return (nlm4_test_res_4_svc(&args4, result, rqstp));
}
bool_t
nlm_lock_res_1_svc(nlm_res *argp, void *result, struct svc_req *rqstp)
{
nlm4_res arg4;
nlm_convert_to_nlm4_res(&arg4, argp);
return (nlm4_lock_res_4_svc(&arg4, result, rqstp));
}
bool_t
nlm_cancel_res_1_svc(nlm_res *argp, void *result, struct svc_req *rqstp)
{
nlm4_res arg4;
nlm_convert_to_nlm4_res(&arg4, argp);
return (nlm4_cancel_res_4_svc(&arg4, result, rqstp));
}
bool_t
nlm_unlock_res_1_svc(nlm_res *argp, void *result, struct svc_req *rqstp)
{
nlm4_res arg4;
nlm_convert_to_nlm4_res(&arg4, argp);
return (nlm4_unlock_res_4_svc(&arg4, result, rqstp));
}
bool_t
nlm_granted_res_1_svc(nlm_res *argp, void *result, struct svc_req *rqstp)
{
nlm4_res arg4;
nlm_convert_to_nlm4_res(&arg4, argp);
return (nlm4_granted_res_4_svc(&arg4, result, rqstp));
}
int
nlm_prog_1_freeresult(SVCXPRT *transp, xdrproc_t xdr_result, caddr_t result)
{
(void) xdr_free(xdr_result, result);
return (TRUE);
}
bool_t
nlm_share_3_svc(nlm_shareargs *argp, nlm_shareres *result, struct svc_req *rqstp)
{
bool_t retval;
nlm4_shareargs args4;
nlm4_shareres res4;
args4.cookie = argp->cookie;
nlm_convert_to_nlm4_share(&args4.share, &argp->share);
args4.reclaim = argp->reclaim;
retval = nlm4_share_4_svc(&args4, &res4, rqstp);
if (retval) {
result->cookie = res4.cookie;
result->stat = nlm_convert_to_nlm_stats(res4.stat);
result->sequence = res4.sequence;
}
return (retval);
}
bool_t
nlm_unshare_3_svc(nlm_shareargs *argp, nlm_shareres *result, struct svc_req *rqstp)
{
bool_t retval;
nlm4_shareargs args4;
nlm4_shareres res4;
args4.cookie = argp->cookie;
nlm_convert_to_nlm4_share(&args4.share, &argp->share);
args4.reclaim = argp->reclaim;
retval = nlm4_unshare_4_svc(&args4, &res4, rqstp);
if (retval) {
result->cookie = res4.cookie;
result->stat = nlm_convert_to_nlm_stats(res4.stat);
result->sequence = res4.sequence;
}
return (retval);
}
bool_t
nlm_nm_lock_3_svc(nlm_lockargs *argp, nlm_res *result, struct svc_req *rqstp)
{
bool_t retval;
nlm4_lockargs args4;
nlm4_res res4;
args4.cookie = argp->cookie;
args4.block = argp->block;
args4.exclusive = argp->exclusive;
nlm_convert_to_nlm4_lock(&args4.alock, &argp->alock);
args4.reclaim = argp->reclaim;
args4.state = argp->state;
retval = nlm4_nm_lock_4_svc(&args4, &res4, rqstp);
if (retval)
nlm_convert_to_nlm_res(result, &res4);
return (retval);
}
bool_t
nlm_free_all_3_svc(nlm_notify *argp, void *result, struct svc_req *rqstp)
{
struct nlm4_notify args4;
args4.name = argp->name;
args4.state = argp->state;
return (nlm4_free_all_4_svc(&args4, result, rqstp));
}
int
nlm_prog_3_freeresult(SVCXPRT *transp, xdrproc_t xdr_result, caddr_t result)
{
(void) xdr_free(xdr_result, result);
return (TRUE);
}
bool_t
nlm4_test_4_svc(nlm4_testargs *argp, nlm4_testres *result, struct svc_req *rqstp)
{
nlm_do_test(argp, result, rqstp, NULL);
return (TRUE);
}
bool_t
nlm4_lock_4_svc(nlm4_lockargs *argp, nlm4_res *result, struct svc_req *rqstp)
{
nlm_do_lock(argp, result, rqstp, TRUE, NULL);
return (TRUE);
}
bool_t
nlm4_cancel_4_svc(nlm4_cancargs *argp, nlm4_res *result, struct svc_req *rqstp)
{
nlm_do_cancel(argp, result, rqstp, NULL);
return (TRUE);
}
bool_t
nlm4_unlock_4_svc(nlm4_unlockargs *argp, nlm4_res *result, struct svc_req *rqstp)
{
nlm_do_unlock(argp, result, rqstp, NULL);
return (TRUE);
}
bool_t
nlm4_granted_4_svc(nlm4_testargs *argp, nlm4_res *result, struct svc_req *rqstp)
{
nlm_do_granted(argp, result, rqstp, NULL);
return (TRUE);
}
bool_t
nlm4_test_msg_4_svc(nlm4_testargs *argp, void *result, struct svc_req *rqstp)
{
nlm4_testres res4;
CLIENT *rpc;
char dummy;
if (nlm_do_test(argp, &res4, rqstp, &rpc))
return (FALSE);
if (rpc) {
nlm4_test_res_4(&res4, &dummy, rpc, NULL, nlm_zero_tv);
CLNT_RELEASE(rpc);
}
xdr_free((xdrproc_t) xdr_nlm4_testres, &res4);
return (FALSE);
}
bool_t
nlm4_lock_msg_4_svc(nlm4_lockargs *argp, void *result, struct svc_req *rqstp)
{
nlm4_res res4;
CLIENT *rpc;
char dummy;
if (nlm_do_lock(argp, &res4, rqstp, TRUE, &rpc))
return (FALSE);
if (rpc) {
nlm4_lock_res_4(&res4, &dummy, rpc, NULL, nlm_zero_tv);
CLNT_RELEASE(rpc);
}
xdr_free((xdrproc_t) xdr_nlm4_res, &res4);
return (FALSE);
}
bool_t
nlm4_cancel_msg_4_svc(nlm4_cancargs *argp, void *result, struct svc_req *rqstp)
{
nlm4_res res4;
CLIENT *rpc;
char dummy;
if (nlm_do_cancel(argp, &res4, rqstp, &rpc))
return (FALSE);
if (rpc) {
nlm4_cancel_res_4(&res4, &dummy, rpc, NULL, nlm_zero_tv);
CLNT_RELEASE(rpc);
}
xdr_free((xdrproc_t) xdr_nlm4_res, &res4);
return (FALSE);
}
bool_t
nlm4_unlock_msg_4_svc(nlm4_unlockargs *argp, void *result, struct svc_req *rqstp)
{
nlm4_res res4;
CLIENT *rpc;
char dummy;
if (nlm_do_unlock(argp, &res4, rqstp, &rpc))
return (FALSE);
if (rpc) {
nlm4_unlock_res_4(&res4, &dummy, rpc, NULL, nlm_zero_tv);
CLNT_RELEASE(rpc);
}
xdr_free((xdrproc_t) xdr_nlm4_res, &res4);
return (FALSE);
}
bool_t
nlm4_granted_msg_4_svc(nlm4_testargs *argp, void *result, struct svc_req *rqstp)
{
nlm4_res res4;
CLIENT *rpc;
char dummy;
if (nlm_do_granted(argp, &res4, rqstp, &rpc))
return (FALSE);
if (rpc) {
nlm4_granted_res_4(&res4, &dummy, rpc, NULL, nlm_zero_tv);
CLNT_RELEASE(rpc);
}
xdr_free((xdrproc_t) xdr_nlm4_res, &res4);
return (FALSE);
}
bool_t
nlm4_test_res_4_svc(nlm4_testres *argp, void *result, struct svc_req *rqstp)
{
return (FALSE);
}
bool_t
nlm4_lock_res_4_svc(nlm4_res *argp, void *result, struct svc_req *rqstp)
{
return (FALSE);
}
bool_t
nlm4_cancel_res_4_svc(nlm4_res *argp, void *result, struct svc_req *rqstp)
{
return (FALSE);
}
bool_t
nlm4_unlock_res_4_svc(nlm4_res *argp, void *result, struct svc_req *rqstp)
{
return (FALSE);
}
bool_t
nlm4_granted_res_4_svc(nlm4_res *argp, void *result, struct svc_req *rqstp)
{
nlm_do_granted_res(argp, rqstp);
return (FALSE);
}
bool_t
nlm4_share_4_svc(nlm4_shareargs *argp, nlm4_shareres *result, struct svc_req *rqstp)
{
memset(result, 0, sizeof(*result));
result->stat = nlm4_denied;
return (TRUE);
}
bool_t
nlm4_unshare_4_svc(nlm4_shareargs *argp, nlm4_shareres *result, struct svc_req *rqstp)
{
memset(result, 0, sizeof(*result));
result->stat = nlm4_denied;
return (TRUE);
}
bool_t
nlm4_nm_lock_4_svc(nlm4_lockargs *argp, nlm4_res *result, struct svc_req *rqstp)
{
nlm_do_lock(argp, result, rqstp, FALSE, NULL);
return (TRUE);
}
bool_t
nlm4_free_all_4_svc(nlm4_notify *argp, void *result, struct svc_req *rqstp)
{
nlm_do_free_all(argp);
return (TRUE);
}
int
nlm_prog_4_freeresult(SVCXPRT *transp, xdrproc_t xdr_result, caddr_t result)
{
(void) xdr_free(xdr_result, result);
return (TRUE);
}