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- /*
- * 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: print-udp.c,v 1.26 92/05/22 19:43:17 leres 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/types.h>
- #include <rpc/auth.h>
- #include <rpc/auth_unix.h>
- #include <rpc/svc.h>
- #include <rpc/xdr.h>
- #include <rpc/rpc_msg.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));
- }
-