/*
* Copyright (c) 1988-1990 The Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that: (1) source code distributions
* retain the above copyright notice and this paragraph in its entirety, (2)
* distributions including binary code include the above copyright notice and
* this paragraph in its entirety in the documentation or other materials
* provided with the distribution, and (3) all advertising materials mentioning
* features or use of this software display the following acknowledgement:
* ``This product includes software developed by the University of California,
* Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
* the University nor the names of its contributors may be used to endorse
* or promote products derived from this software without specific prior
* written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
#ifndef lint
static char rcsid[] =
"@(#) $Header: /a/cvs/386BSD/src/contrib/tcpdump/tcpdump/print-udp.c,v 1.1.1.1 1993/06/12 14:42:06 rgrimes Exp $ (LBL)";
#endif
#include <sys/param.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/ip.h>
#include <netinet/ip_var.h>
#include <netinet/udp.h>
#include <netinet/udp_var.h>
#include <arpa/nameser.h>
#include <arpa/tftp.h>
#include <errno.h>
#include <sys/time.h>
#include <rpc/rpc.h>
#include "interface.h"
/* These must come after interface.h for BSD. */
#if BSD >= 199006
#include <sys/ucred.h>
#include <nfs/nfsv2.h>
#endif
#include <nfs/nfs.h>
#include "addrtoname.h"
#include "appletalk.h"
#include "bootp.h"
/* XXX probably should use getservbyname() and cache answers */
#define TFTP_PORT 69 /*XXX*/
#define SUNRPC_PORT 111 /*XXX*/
#define SNMP_PORT 161 /*XXX*/
#define NTP_PORT 123 /*XXX*/
#define SNMPTRAP_PORT 162 /*XXX*/
#define RIP_PORT 520 /*XXX*/
void
udp_print(up, length, ip)
register struct udphdr *up;
int length;
register struct ip *ip;
{
register u_char *cp = (u_char *)(up + 1);
if (cp > snapend) {
printf("[|udp]");
return;
}
if (length < sizeof(struct udphdr)) {
(void)printf(" truncated-udp %d", length);
return;
}
length -= sizeof(struct udphdr);
NTOHS(up->uh_sport);
NTOHS(up->uh_dport);
NTOHS(up->uh_ulen);
if (! qflag) {
register struct rpc_msg *rp;
enum msg_type direction;
rp = (struct rpc_msg *)(up + 1);
direction = (enum msg_type)ntohl(rp->rm_direction);
if (up->uh_dport == NFS_PORT && direction == CALL) {
nfsreq_print(rp, length, ip);
return;
}
else if (up->uh_sport == NFS_PORT && direction == REPLY) {
nfsreply_print(rp, length, ip);
return;
}
#ifdef notdef
else if (up->uh_dport == SUNRPC_PORT && direction == CALL) {
sunrpcrequest_print(rp, length, ip);
return;
}
#endif
else if (cp[2] == 2 && (atalk_port(up->uh_sport) ||
atalk_port(up->uh_dport))) {
ddp_print((struct atDDP *)(&cp[3]), length - 3);
return;
}
}
(void)printf("%s.%s > %s.%s:",
ipaddr_string(&ip->ip_src), udpport_string(up->uh_sport),
ipaddr_string(&ip->ip_dst), udpport_string(up->uh_dport));
if (!qflag) {
#define ISPORT(p) (up->uh_dport == (p) || up->uh_sport == (p))
if (ISPORT(NAMESERVER_PORT))
ns_print((HEADER *)(up + 1), length);
else if (ISPORT(TFTP_PORT))
tftp_print((struct tftphdr *)(up + 1), length);
else if (ISPORT(IPPORT_BOOTPC) || ISPORT(IPPORT_BOOTPS))
bootp_print((struct bootp *)(up + 1), length,
up->uh_sport, up->uh_dport);
else if (up->uh_dport == RIP_PORT)
rip_print((u_char *)(up + 1), length);
else if (ISPORT(SNMP_PORT) || ISPORT(SNMPTRAP_PORT))
snmp_print((u_char *)(up + 1), length);
else if (ISPORT(NTP_PORT))
ntp_print((struct ntpdata *)(up + 1), length);
else
(void)printf(" udp %d", up->uh_ulen - sizeof(*up));
#undef ISPORT
} else
(void)printf(" udp %d", up->uh_ulen - sizeof(*up));
}
