8a16b7a18f
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272 lines
7.0 KiB
C
272 lines
7.0 KiB
C
/* $NetBSD: svc_raw.c,v 1.14 2000/07/06 03:10:35 christos Exp $ */
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/*-
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (c) 2009, Sun Microsystems, Inc.
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* All rights reserved.
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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 are met:
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* - Neither the name of Sun Microsystems, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND 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 COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Copyright (c) 1986-1991 by Sun Microsystems Inc.
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*/
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/* #ident "@(#)svc_raw.c 1.16 94/04/24 SMI" */
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#if defined(LIBC_SCCS) && !defined(lint)
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static char sccsid[] = "@(#)svc_raw.c 1.25 89/01/31 Copyr 1984 Sun Micro";
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#endif
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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/*
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* svc_raw.c, This a toy for simple testing and timing.
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* Interface to create an rpc client and server in the same UNIX process.
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* This lets us similate rpc and get rpc (round trip) overhead, without
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* any interference from the kernel.
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*
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*/
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#include "namespace.h"
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#include "reentrant.h"
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#include <rpc/rpc.h>
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#include <sys/types.h>
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#include <rpc/raw.h>
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#include <stdlib.h>
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#include "un-namespace.h"
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#include "mt_misc.h"
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#ifndef UDPMSGSIZE
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#define UDPMSGSIZE 8800
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#endif
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/*
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* This is the "network" that we will be moving data over
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*/
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static struct svc_raw_private {
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char *raw_buf; /* should be shared with the cl handle */
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SVCXPRT *server;
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XDR xdr_stream;
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char verf_body[MAX_AUTH_BYTES];
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} *svc_raw_private;
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static enum xprt_stat svc_raw_stat(SVCXPRT *);
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static bool_t svc_raw_recv(SVCXPRT *, struct rpc_msg *);
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static bool_t svc_raw_reply(SVCXPRT *, struct rpc_msg *);
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static bool_t svc_raw_getargs(SVCXPRT *, xdrproc_t, void *);
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static bool_t svc_raw_freeargs(SVCXPRT *, xdrproc_t, void *);
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static void svc_raw_destroy(SVCXPRT *);
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static void svc_raw_ops(SVCXPRT *);
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static bool_t svc_raw_control(SVCXPRT *, const u_int, void *);
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char *__rpc_rawcombuf = NULL;
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SVCXPRT *
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svc_raw_create(void)
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{
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struct svc_raw_private *srp;
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/* VARIABLES PROTECTED BY svcraw_lock: svc_raw_private, srp */
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mutex_lock(&svcraw_lock);
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srp = svc_raw_private;
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if (srp == NULL) {
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srp = (struct svc_raw_private *)calloc(1, sizeof (*srp));
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if (srp == NULL) {
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mutex_unlock(&svcraw_lock);
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return (NULL);
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}
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if (__rpc_rawcombuf == NULL) {
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__rpc_rawcombuf = calloc(UDPMSGSIZE, sizeof (char));
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if (__rpc_rawcombuf == NULL) {
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free(srp);
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mutex_unlock(&svcraw_lock);
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return (NULL);
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}
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}
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srp->raw_buf = __rpc_rawcombuf; /* Share it with the client */
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srp->server = svc_xprt_alloc();
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if (srp->server == NULL) {
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free(__rpc_rawcombuf);
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free(srp);
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mutex_unlock(&svcraw_lock);
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return (NULL);
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}
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svc_raw_private = srp;
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}
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srp->server->xp_fd = FD_SETSIZE;
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srp->server->xp_port = 0;
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svc_raw_ops(srp->server);
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srp->server->xp_verf.oa_base = srp->verf_body;
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xdrmem_create(&srp->xdr_stream, srp->raw_buf, UDPMSGSIZE, XDR_DECODE);
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xprt_register(srp->server);
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mutex_unlock(&svcraw_lock);
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return (srp->server);
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}
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/*ARGSUSED*/
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static enum xprt_stat
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svc_raw_stat(SVCXPRT *xprt)
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{
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return (XPRT_IDLE);
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}
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/*ARGSUSED*/
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static bool_t
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svc_raw_recv(SVCXPRT *xprt, struct rpc_msg *msg)
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{
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struct svc_raw_private *srp;
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XDR *xdrs;
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mutex_lock(&svcraw_lock);
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srp = svc_raw_private;
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if (srp == NULL) {
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mutex_unlock(&svcraw_lock);
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return (FALSE);
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}
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mutex_unlock(&svcraw_lock);
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xdrs = &srp->xdr_stream;
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xdrs->x_op = XDR_DECODE;
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(void) XDR_SETPOS(xdrs, 0);
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if (! xdr_callmsg(xdrs, msg)) {
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return (FALSE);
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}
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return (TRUE);
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}
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/*ARGSUSED*/
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static bool_t
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svc_raw_reply(SVCXPRT *xprt, struct rpc_msg *msg)
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{
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struct svc_raw_private *srp;
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XDR *xdrs;
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bool_t stat;
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xdrproc_t xdr_proc;
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caddr_t xdr_where;
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mutex_lock(&svcraw_lock);
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srp = svc_raw_private;
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if (srp == NULL) {
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mutex_unlock(&svcraw_lock);
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return (FALSE);
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}
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mutex_unlock(&svcraw_lock);
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xdrs = &srp->xdr_stream;
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xdrs->x_op = XDR_ENCODE;
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(void) XDR_SETPOS(xdrs, 0);
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if (msg->rm_reply.rp_stat == MSG_ACCEPTED &&
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msg->rm_reply.rp_acpt.ar_stat == SUCCESS) {
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xdr_proc = msg->acpted_rply.ar_results.proc;
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xdr_where = msg->acpted_rply.ar_results.where;
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msg->acpted_rply.ar_results.proc = (xdrproc_t) xdr_void;
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msg->acpted_rply.ar_results.where = NULL;
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stat = xdr_replymsg(xdrs, msg) &&
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SVCAUTH_WRAP(&SVC_AUTH(xprt), xdrs, xdr_proc, xdr_where);
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} else {
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stat = xdr_replymsg(xdrs, msg);
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}
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if (!stat) {
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return (FALSE);
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}
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(void) XDR_GETPOS(xdrs); /* called just for overhead */
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return (TRUE);
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}
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/*ARGSUSED*/
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static bool_t
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svc_raw_getargs(SVCXPRT *xprt, xdrproc_t xdr_args, void *args_ptr)
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{
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struct svc_raw_private *srp;
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mutex_lock(&svcraw_lock);
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srp = svc_raw_private;
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if (srp == NULL) {
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mutex_unlock(&svcraw_lock);
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return (FALSE);
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}
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mutex_unlock(&svcraw_lock);
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return (SVCAUTH_UNWRAP(&SVC_AUTH(xprt), &srp->xdr_stream,
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xdr_args, args_ptr));
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}
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/*ARGSUSED*/
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static bool_t
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svc_raw_freeargs(SVCXPRT *xprt, xdrproc_t xdr_args, void *args_ptr)
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{
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struct svc_raw_private *srp;
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XDR *xdrs;
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mutex_lock(&svcraw_lock);
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srp = svc_raw_private;
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if (srp == NULL) {
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mutex_unlock(&svcraw_lock);
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return (FALSE);
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}
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mutex_unlock(&svcraw_lock);
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xdrs = &srp->xdr_stream;
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xdrs->x_op = XDR_FREE;
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return (*xdr_args)(xdrs, args_ptr);
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}
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/*ARGSUSED*/
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static void
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svc_raw_destroy(SVCXPRT *xprt)
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{
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}
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/*ARGSUSED*/
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static bool_t
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svc_raw_control(SVCXPRT *xprt, const u_int rq, void *in)
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{
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return (FALSE);
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}
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static void
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svc_raw_ops(SVCXPRT *xprt)
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{
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static struct xp_ops ops;
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static struct xp_ops2 ops2;
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/* VARIABLES PROTECTED BY ops_lock: ops */
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mutex_lock(&ops_lock);
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if (ops.xp_recv == NULL) {
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ops.xp_recv = svc_raw_recv;
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ops.xp_stat = svc_raw_stat;
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ops.xp_getargs = svc_raw_getargs;
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ops.xp_reply = svc_raw_reply;
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ops.xp_freeargs = svc_raw_freeargs;
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ops.xp_destroy = svc_raw_destroy;
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ops2.xp_control = svc_raw_control;
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}
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xprt->xp_ops = &ops;
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xprt->xp_ops2 = &ops2;
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mutex_unlock(&ops_lock);
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}
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