File:  [DragonFly] / src / usr.sbin / ypserv / yp_svc_udp.c
Revision 1.2: download - view: text, annotated - select for diffs
Tue Jun 17 04:30:05 2003 UTC (11 years, 4 months ago) by dillon
Branches: MAIN
CVS tags: HEAD
Add the DragonFly cvs id and perform general cleanups on cvs/rcs/sccs ids.  Most
ids have been removed from !lint sections and moved into comment sections.

    1: /*
    2:  * Copyright (c) 1996
    3:  *	Bill Paul <wpaul@ctr.columbia.edu>.  All rights reserved.
    4:  *
    5:  * Redistribution and use in source and binary forms, with or without
    6:  * modification, are permitted provided that the following conditions
    7:  * are met:
    8:  * 1. Redistributions of source code must retain the above copyright
    9:  *    notice, this list of conditions and the following disclaimer.
   10:  * 2. Redistributions in binary form must reproduce the above copyright
   11:  *    notice, this list of conditions and the following disclaimer in the
   12:  *    documentation and/or other materials provided with the distribution.
   13:  * 3. All advertising materials mentioning features or use of this software
   14:  *    must display the following acknowledgement:
   15:  *	This product includes software developed by Bill Paul.
   16:  * 4. Neither the name of the author nor the names of any co-contributors
   17:  *    may be used to endorse or promote products derived from this software
   18:  *    without specific prior written permission.
   19:  *
   20:  * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
   21:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   22:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   23:  * ARE DISCLAIMED.  IN NO EVENT SHALL Bill Paul OR CONTRIBUTORS BE LIABLE
   24:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   25:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   26:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   27:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   28:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   29:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   30:  * SUCH DAMAGE.
   31:  *
   32:  * $FreeBSD: src/usr.sbin/ypserv/yp_svc_udp.c,v 1.5 1999/08/28 01:21:14 peter Exp $
   33:  * $DragonFly: src/usr.sbin/ypserv/yp_svc_udp.c,v 1.2 2003/06/17 04:30:05 dillon Exp $
   34:  */
   35: 
   36: #include <rpc/rpc.h>
   37: #include "yp_extern.h"
   38: 
   39: /*
   40:  * XXX Must not diverge from what's in src/lib/libc/rpc/svc_udp.c
   41:  */
   42: 
   43: /*
   44:  * kept in xprt->xp_p2
   45:  */
   46: struct svcudp_data {
   47: 	u_int   su_iosz;	/* byte size of send.recv buffer */
   48: 	u_long	su_xid;		/* transaction id */
   49: 	XDR	su_xdrs;	/* XDR handle */
   50: 	char	su_verfbody[MAX_AUTH_BYTES];	/* verifier body */
   51: 	char * 	su_cache;	/* cached data, NULL if no cache */
   52: };
   53: #define	su_data(xprt)	((struct svcudp_data *)(xprt->xp_p2))
   54: 
   55: /*
   56:  * We need to be able to manually set the transaction ID in the
   57:  * UDP transport handle, but the standard library offers us no way
   58:  * to do that. Hence we need this garbage.
   59:  */
   60: 
   61: unsigned long
   62: svcudp_get_xid(xprt)
   63: 	SVCXPRT *xprt;
   64: {
   65: 	struct svcudp_data *su;
   66: 
   67: 	if (xprt == NULL)
   68: 		return(0);
   69: 	su = su_data(xprt);
   70: 	return(su->su_xid);
   71: }
   72: 
   73: unsigned long
   74: svcudp_set_xid(xprt, xid)
   75: 	SVCXPRT *xprt;
   76: 	unsigned long xid;
   77: {
   78: 	struct svcudp_data *su;
   79: 	unsigned long old_xid;
   80: 
   81: 	if (xprt == NULL)
   82: 		return(0);
   83: 	su = su_data(xprt);
   84: 	old_xid = su->su_xid;
   85: 	su->su_xid = xid;
   86: 	return(old_xid);
   87: }