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https://github.com/freebsd/freebsd-src
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89 lines
2.8 KiB
C
89 lines
2.8 KiB
C
/*
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* Copyright (c) 1996
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* Bill Paul <wpaul@ctr.columbia.edu>. 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
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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 acknowledgement:
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* This product includes software developed by Bill Paul.
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* 4. Neither the name of the author nor the names of any co-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 Bill Paul 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 Bill Paul 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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#ifndef lint
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static const char rcsid[] =
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"$FreeBSD$";
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#endif /* not lint */
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#include <rpc/rpc.h>
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#include "yp_extern.h"
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/*
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* XXX Must not diverge from what's in src/lib/libc/rpc/svc_udp.c
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*/
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/*
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* kept in xprt->xp_p2
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*/
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struct svcudp_data {
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u_int su_iosz; /* byte size of send.recv buffer */
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u_long su_xid; /* transaction id */
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XDR su_xdrs; /* XDR handle */
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char su_verfbody[MAX_AUTH_BYTES]; /* verifier body */
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char * su_cache; /* cached data, NULL if no cache */
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};
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#define su_data(xprt) ((struct svcudp_data *)(xprt->xp_p2))
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/*
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* We need to be able to manually set the transaction ID in the
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* UDP transport handle, but the standard library offers us no way
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* to do that. Hence we need this garbage.
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*/
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unsigned long
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svcudp_get_xid(xprt)
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SVCXPRT *xprt;
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{
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struct svcudp_data *su;
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if (xprt == NULL)
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return(0);
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su = su_data(xprt);
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return(su->su_xid);
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}
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unsigned long
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svcudp_set_xid(xprt, xid)
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SVCXPRT *xprt;
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unsigned long xid;
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{
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struct svcudp_data *su;
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unsigned long old_xid;
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if (xprt == NULL)
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return(0);
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su = su_data(xprt);
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old_xid = su->su_xid;
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su->su_xid = xid;
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return(old_xid);
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}
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