[unix-history] / contrib / tcpdump / tcpdump / print-udp.c

/*
 * 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));
}
Commit	Line	Data
15637ed4 RG	1	/*
	2	* Copyright (c) 1988-1990 The Regents of the University of California.
	3	* All rights reserved.
	4	*
	5	* Redistribution and use in source and binary forms, with or without
	6	* modification, are permitted provided that: (1) source code distributions
	7	* retain the above copyright notice and this paragraph in its entirety, (2)
	8	* distributions including binary code include the above copyright notice and
	9	* this paragraph in its entirety in the documentation or other materials
	10	* provided with the distribution, and (3) all advertising materials mentioning
	11	* features or use of this software display the following acknowledgement:
	12	* ``This product includes software developed by the University of California,
	13	* Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
	14	* the University nor the names of its contributors may be used to endorse
	15	* or promote products derived from this software without specific prior
	16	* written permission.
	17	* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
	18	* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
	19	* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
	20	*/
	21
	22	#ifndef lint
	23	static char rcsid[] =
78ed81a3	24	"@(#) $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)";
15637ed4 RG	25	#endif
	26
	27	#include <sys/param.h>
	28	#include <sys/types.h>
	29	#include <sys/socket.h>
	30	#include <netinet/in.h>
	31	#include <netinet/in_systm.h>
	32	#include <netinet/ip.h>
	33	#include <netinet/ip_var.h>
	34	#include <netinet/udp.h>
	35	#include <netinet/udp_var.h>
	36
	37	#include <arpa/nameser.h>
	38	#include <arpa/tftp.h>
	39	#include <errno.h>
	40	#include <sys/time.h>
78ed81a3	41	#include <rpc/rpc.h>
15637ed4 RG	42
	43	#include "interface.h"
	44	/* These must come after interface.h for BSD. */
	45	#if BSD >= 199006
	46	#include <sys/ucred.h>
	47	#include <nfs/nfsv2.h>
	48	#endif
	49	#include <nfs/nfs.h>
	50
	51	#include "addrtoname.h"
	52	#include "appletalk.h"
	53
	54	#include "bootp.h"
	55
	56	/* XXX probably should use getservbyname() and cache answers */
	57	#define TFTP_PORT 69 /XXX/
	58	#define SUNRPC_PORT 111 /XXX/
	59	#define SNMP_PORT 161 /XXX/
	60	#define NTP_PORT 123 /XXX/
	61	#define SNMPTRAP_PORT 162 /XXX/
	62	#define RIP_PORT 520 /XXX/
	63
	64	void
	65	udp_print(up, length, ip)
	66	register struct udphdr *up;
	67	int length;
	68	register struct ip *ip;
	69	{
	70	register u_char cp = (u_char )(up + 1);
	71
	72	if (cp > snapend) {
	73	printf("[\|udp]");
	74	return;
	75	}
	76	if (length < sizeof(struct udphdr)) {
	77	(void)printf(" truncated-udp %d", length);
	78	return;
	79	}
	80	length -= sizeof(struct udphdr);
	81
	82	NTOHS(up->uh_sport);
	83	NTOHS(up->uh_dport);
	84	NTOHS(up->uh_ulen);
	85
	86	if (! qflag) {
	87	register struct rpc_msg *rp;
	88	enum msg_type direction;
	89
	90	rp = (struct rpc_msg *)(up + 1);
	91	direction = (enum msg_type)ntohl(rp->rm_direction);
	92	if (up->uh_dport == NFS_PORT && direction == CALL) {
	93	nfsreq_print(rp, length, ip);
	94	return;
	95	}
	96	else if (up->uh_sport == NFS_PORT && direction == REPLY) {
	97	nfsreply_print(rp, length, ip);
	98	return;
	99	}
	100	#ifdef notdef
	101	else if (up->uh_dport == SUNRPC_PORT && direction == CALL) {
	102	sunrpcrequest_print(rp, length, ip);
	103	return;
	104	}
	105	#endif
106	else if (cp[2] == 2 && (atalk_port(up->uh_sport) \|\|
107	atalk_port(up->uh_dport))) {
108	ddp_print((struct atDDP *)(&cp[3]), length - 3);
109	return;
110	}
111	}
112	(void)printf("%s.%s > %s.%s:",
113	ipaddr_string(&ip->ip_src), udpport_string(up->uh_sport),
114	ipaddr_string(&ip->ip_dst), udpport_string(up->uh_dport));
115
116	if (!qflag) {
117	#define ISPORT(p) (up->uh_dport == (p) \|\| up->uh_sport == (p))
118	if (ISPORT(NAMESERVER_PORT))
119	ns_print((HEADER *)(up + 1), length);
120	else if (ISPORT(TFTP_PORT))
121	tftp_print((struct tftphdr *)(up + 1), length);
122	else if (ISPORT(IPPORT_BOOTPC) \|\| ISPORT(IPPORT_BOOTPS))
123	bootp_print((struct bootp *)(up + 1), length,
124	up->uh_sport, up->uh_dport);
125	else if (up->uh_dport == RIP_PORT)
126	rip_print((u_char *)(up + 1), length);
127	else if (ISPORT(SNMP_PORT) \|\| ISPORT(SNMPTRAP_PORT))
128	snmp_print((u_char *)(up + 1), length);
129	else if (ISPORT(NTP_PORT))
130	ntp_print((struct ntpdata *)(up + 1), length);
131	else
132	(void)printf(" udp %d", up->uh_ulen - sizeof(*up));
133	#undef ISPORT
134	} else
135	(void)printf(" udp %d", up->uh_ulen - sizeof(*up));
136	}