1 /* $OpenBSD: print-raw.c,v 1.7 2014/08/14 12:44:44 mpi Exp $ */ 2 3 /* 4 * Copyright (c) 1996 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that: (1) source code distributions 9 * retain the above copyright notice and this paragraph in its entirety, (2) 10 * distributions including binary code include the above copyright notice and 11 * this paragraph in its entirety in the documentation or other materials 12 * provided with the distribution, and (3) all advertising materials mentioning 13 * features or use of this software display the following acknowledgement: 14 * ``This product includes software developed by the University of California, 15 * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of 16 * the University nor the names of its contributors may be used to endorse 17 * or promote products derived from this software without specific prior 18 * written permission. 19 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED 20 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF 21 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. 22 */ 23 24 #include <sys/param.h> 25 #include <sys/time.h> 26 #include <sys/socket.h> 27 #include <sys/file.h> 28 #include <sys/ioctl.h> 29 30 struct mbuf; 31 struct rtentry; 32 #include <net/if.h> 33 34 #include <netinet/in.h> 35 #include <netinet/ip.h> 36 #include <netinet/if_ether.h> 37 #include <netinet/ip_var.h> 38 #include <netinet/udp.h> 39 #include <netinet/udp_var.h> 40 #include <netinet/tcp.h> 41 42 #include <pcap.h> 43 #include <stdio.h> 44 #include <string.h> 45 46 #include "addrtoname.h" 47 #include "interface.h" 48 49 #ifndef AF_NS 50 #define AF_NS 6 /* XEROX NS protocols */ 51 #endif 52 53 /* 54 * The DLT_RAW packet has no header. It contains a raw IP packet. 55 */ 56 57 void 58 raw_if_print(u_char *user, const struct pcap_pkthdr *h, const u_char *p) 59 { 60 u_int length = h->len; 61 u_int caplen = h->caplen; 62 63 ts_print(&h->ts); 64 65 /* 66 * Some printers want to get back at the link level addresses, 67 * and/or check that they're not walking off the end of the packet. 68 * Rather than pass them all the way down, we set these globals. 69 */ 70 packetp = p; 71 snapend = p + caplen; 72 73 if (eflag) 74 printf("ip: "); 75 76 ip_print(p, length); 77 78 if (xflag) 79 default_print(p, caplen); 80 putchar('\n'); 81 } 82