157 lines
4.3 KiB
C
157 lines
4.3 KiB
C
/* $OpenBSD: svc_raw.c,v 1.13 2022/02/14 03:38:59 guenther Exp $ */
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/*
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* Copyright (c) 2010, Oracle America, Inc.
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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
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* met:
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*
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* * 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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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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* * Neither the name of the "Oracle America, 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
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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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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#include <stdlib.h>
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#include <rpc/rpc.h>
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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 svcraw_private {
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char _raw_buf[UDPMSGSIZE];
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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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} *svcraw_private;
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static bool_t svcraw_recv(SVCXPRT *xprt, struct rpc_msg *msg);
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static enum xprt_stat svcraw_stat(SVCXPRT *xprt);
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static bool_t svcraw_getargs(SVCXPRT *xprt, xdrproc_t xdr_args,
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caddr_t args_ptr);
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static bool_t svcraw_reply(SVCXPRT *xprt, struct rpc_msg *msg);
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static bool_t svcraw_freeargs(SVCXPRT *xprt, xdrproc_t xdr_args,
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caddr_t args_ptr);
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static void svcraw_destroy(SVCXPRT *xprt);
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static const struct xp_ops server_ops = {
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svcraw_recv,
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svcraw_stat,
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svcraw_getargs,
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svcraw_reply,
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svcraw_freeargs,
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svcraw_destroy
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};
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SVCXPRT *
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svcraw_create(void)
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{
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struct svcraw_private *srp = svcraw_private;
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if (srp == NULL) {
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srp = calloc(1, sizeof (*srp));
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if (srp == NULL)
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return (NULL);
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}
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srp->server.xp_sock = 0;
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srp->server.xp_port = 0;
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srp->server.xp_ops = &server_ops;
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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_FREE);
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return (&srp->server);
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}
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static enum xprt_stat
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svcraw_stat(SVCXPRT *xprt)
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{
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return (XPRT_IDLE);
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}
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static bool_t
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svcraw_recv(SVCXPRT *xprt, struct rpc_msg *msg)
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{
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struct svcraw_private *srp = svcraw_private;
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XDR *xdrs;
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if (srp == NULL)
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return (0);
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xdrs = &srp->xdr_stream;
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xdrs->x_op = XDR_DECODE;
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XDR_SETPOS(xdrs, 0);
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if (! xdr_callmsg(xdrs, msg))
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return (FALSE);
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return (TRUE);
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}
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static bool_t
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svcraw_reply(SVCXPRT *xprt, struct rpc_msg *msg)
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{
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struct svcraw_private *srp = svcraw_private;
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XDR *xdrs;
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if (srp == NULL)
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return (FALSE);
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xdrs = &srp->xdr_stream;
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xdrs->x_op = XDR_ENCODE;
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XDR_SETPOS(xdrs, 0);
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if (! xdr_replymsg(xdrs, msg))
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return (FALSE);
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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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static bool_t
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svcraw_getargs(SVCXPRT *xprt, xdrproc_t xdr_args, caddr_t args_ptr)
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{
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struct svcraw_private *srp = svcraw_private;
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if (srp == NULL)
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return (FALSE);
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return ((*xdr_args)(&srp->xdr_stream, args_ptr));
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}
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static bool_t
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svcraw_freeargs(SVCXPRT *xprt, xdrproc_t xdr_args, caddr_t args_ptr)
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{
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struct svcraw_private *srp = svcraw_private;
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XDR *xdrs;
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if (srp == NULL)
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return (FALSE);
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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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static void
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svcraw_destroy(SVCXPRT *xprt)
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{
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}
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