1 /* $OpenBSD: print-raw.c,v 1.9 2021/12/01 18:28:46 deraadt 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/time.h> 25 #include <sys/socket.h> 26 #include <sys/file.h> 27 #include <sys/ioctl.h> 28 29 #include <net/if.h> 30 31 #include <netinet/in.h> 32 #include <netinet/ip.h> 33 #include <netinet/if_ether.h> 34 #include <netinet/ip_var.h> 35 #include <netinet/udp.h> 36 #include <netinet/udp_var.h> 37 #include <netinet/tcp.h> 38 39 #include <pcap.h> 40 #include <stdio.h> 41 #include <string.h> 42 43 #include "addrtoname.h" 44 #include "interface.h" 45 46 #ifndef AF_NS 47 #define AF_NS 6 /* XEROX NS protocols */ 48 #endif 49 50 /* 51 * The DLT_RAW packet has no header. It contains a raw IP packet. 52 */ 53 54 void 55 raw_if_print(u_char *user, const struct pcap_pkthdr *h, const u_char *p) 56 { 57 u_int length = h->len; 58 u_int caplen = h->caplen; 59 60 ts_print(&h->ts); 61 62 /* 63 * Some printers want to get back at the link level addresses, 64 * and/or check that they're not walking off the end of the packet. 65 * Rather than pass them all the way down, we set these globals. 66 */ 67 packetp = p; 68 snapend = p + caplen; 69 70 if (eflag) 71 printf("ip: "); 72 73 ip_print(p, length); 74 75 if (xflag) 76 default_print(p, caplen); 77 putchar('\n'); 78 } 79