/* * 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 #include #include #include #include #include #include #include #include #include #include #include #include #include #include "interface.h" /* These must come after interface.h for BSD. */ #if BSD >= 199006 #include #include #endif #include #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)); }