145 lines
4.2 KiB
C
145 lines
4.2 KiB
C
/*
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* Copyright (c) 1988-1990 The Regents of the University of California.
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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: (1) source code distributions
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* retain the above copyright notice and this paragraph in its entirety, (2)
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* distributions including binary code include the above copyright notice and
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* this paragraph in its entirety in the documentation or other materials
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* provided with the distribution, and (3) all advertising materials mentioning
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* features or use of this software display the following acknowledgement:
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* ``This product includes software developed by the University of California,
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* Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
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* the University nor the names of its contributors may be used to endorse
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* or promote products derived from this software without specific prior
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* written permission.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*
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* $Id: print-udp.c,v 1.1 1993/11/14 21:20:58 deraadt Exp $
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*/
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#ifndef lint
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static char rcsid[] =
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"@(#) Header: print-udp.c,v 1.26 92/05/22 19:43:17 leres Exp (LBL)";
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#endif
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#include <sys/param.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <netinet/in_systm.h>
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#include <netinet/ip.h>
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#include <netinet/ip_var.h>
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#include <netinet/udp.h>
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#include <netinet/udp_var.h>
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#include <arpa/nameser.h>
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#include <arpa/tftp.h>
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#include <errno.h>
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#include <sys/time.h>
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#include <rpc/rpc.h>
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#include <rpc/types.h>
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#include <rpc/xdr.h>
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#include <rpc/auth.h>
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#include <rpc/auth_unix.h>
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#include <rpc/svc.h>
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#include <rpc/rpc_msg.h>
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#include "interface.h"
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/* These must come after interface.h for BSD. */
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#if BSD >= 199006
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#include <sys/ucred.h>
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#include <nfs/nfsv2.h>
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#endif
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#include <nfs/nfs.h>
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#include "addrtoname.h"
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#include "appletalk.h"
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#include "bootp.h"
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/* XXX probably should use getservbyname() and cache answers */
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#define TFTP_PORT 69 /*XXX*/
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#define SUNRPC_PORT 111 /*XXX*/
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#define SNMP_PORT 161 /*XXX*/
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#define NTP_PORT 123 /*XXX*/
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#define SNMPTRAP_PORT 162 /*XXX*/
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#define RIP_PORT 520 /*XXX*/
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void
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udp_print(up, length, ip)
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register struct udphdr *up;
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int length;
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register struct ip *ip;
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{
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register u_char *cp = (u_char *)(up + 1);
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if (cp > snapend) {
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printf("[|udp]");
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return;
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}
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if (length < sizeof(struct udphdr)) {
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(void)printf(" truncated-udp %d", length);
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return;
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}
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length -= sizeof(struct udphdr);
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NTOHS(up->uh_sport);
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NTOHS(up->uh_dport);
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NTOHS(up->uh_ulen);
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if (! qflag) {
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register struct rpc_msg *rp;
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enum msg_type direction;
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rp = (struct rpc_msg *)(up + 1);
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direction = (enum msg_type)ntohl(rp->rm_direction);
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if (up->uh_dport == NFS_PORT && direction == CALL) {
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nfsreq_print(rp, length, ip);
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return;
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}
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else if (up->uh_sport == NFS_PORT && direction == REPLY) {
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nfsreply_print(rp, length, ip);
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return;
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}
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#ifdef notdef
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else if (up->uh_dport == SUNRPC_PORT && direction == CALL) {
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sunrpcrequest_print(rp, length, ip);
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return;
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}
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#endif
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else if (cp[2] == 2 && (atalk_port(up->uh_sport) ||
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atalk_port(up->uh_dport))) {
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ddp_print((struct atDDP *)(&cp[3]), length - 3);
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return;
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}
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}
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(void)printf("%s.%s > %s.%s:",
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ipaddr_string(&ip->ip_src), udpport_string(up->uh_sport),
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ipaddr_string(&ip->ip_dst), udpport_string(up->uh_dport));
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if (!qflag) {
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#define ISPORT(p) (up->uh_dport == (p) || up->uh_sport == (p))
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if (ISPORT(NAMESERVER_PORT))
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ns_print((HEADER *)(up + 1), length);
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else if (ISPORT(TFTP_PORT))
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tftp_print((struct tftphdr *)(up + 1), length);
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else if (ISPORT(IPPORT_BOOTPC) || ISPORT(IPPORT_BOOTPS))
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bootp_print((struct bootp *)(up + 1), length,
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up->uh_sport, up->uh_dport);
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else if (up->uh_dport == RIP_PORT)
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rip_print((u_char *)(up + 1), length);
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else if (ISPORT(SNMP_PORT) || ISPORT(SNMPTRAP_PORT))
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snmp_print((u_char *)(up + 1), length);
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else if (ISPORT(NTP_PORT))
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ntp_print((struct ntpdata *)(up + 1), length);
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else
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(void)printf(" udp %d", up->uh_ulen - sizeof(*up));
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#undef ISPORT
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} else
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(void)printf(" udp %d", up->uh_ulen - sizeof(*up));
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}
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