1 /* 2 * Copyright (c) 1990, 1991, 1993, 1994, 1995, 1996, 1997 3 * The Regents of the University of California. 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 #ifdef HAVE_CONFIG_H 23 #include "config.h" 24 #endif 25 26 #if defined(__bsdi__) 27 28 #ifndef lint 29 static const char rcsid[] = 30 "@(#) $Header: /tcpdump/master/tcpdump/print-vjc.c,v 1.2.2.1 2000/01/11 06:58:28 fenner Exp $ (LBL)"; 31 #endif 32 33 #include <sys/param.h> 34 #include <sys/time.h> 35 #include <sys/socket.h> 36 #include <sys/file.h> 37 #include <sys/ioctl.h> 38 39 #if __STDC__ 40 struct mbuf; 41 struct rtentry; 42 #endif 43 #include <net/if.h> 44 45 #include <netinet/in.h> 46 #include <netinet/in_systm.h> 47 #include <netinet/ip.h> 48 #include <netinet/if_ether.h> 49 50 #include <ctype.h> 51 #include <netdb.h> 52 #include <pcap.h> 53 #include <stdio.h> 54 55 #if defined(__NetBSD__) 56 #include <sys/mbuf.h> 57 #include <net/ppp_defs.h> 58 #endif 59 60 #if defined(__bsdi__) || defined(__NetBSD__) 61 #include <net/if_ppp.h> 62 #include <net/slcompress.h> 63 #endif 64 65 #include "interface.h" 66 #include "addrtoname.h" 67 68 int 69 vjc_print(register const char *bp, register u_int length, u_short proto) 70 { 71 int i; 72 73 switch (bp[0] & 0xf0) { 74 case TYPE_IP: 75 if (eflag) 76 printf("(vjc type=IP) "); 77 return PPP_IP; 78 case TYPE_UNCOMPRESSED_TCP: 79 if (eflag) 80 printf("(vjc type=raw TCP) "); 81 return PPP_IP; 82 case TYPE_COMPRESSED_TCP: 83 if (eflag) 84 printf("(vjc type=compressed TCP) "); 85 for (i = 0; i < 8; i++) { 86 if (bp[1] & (0x80 >> i)) 87 printf("%c", "?CI?SAWU"[i]); 88 } 89 if (bp[1]) 90 printf(" "); 91 printf("C=0x%02x ", bp[2]); 92 printf("sum=0x%04x ", *(u_short *)&bp[3]); 93 return -1; 94 case TYPE_ERROR: 95 if (eflag) 96 printf("(vjc type=error) "); 97 return -1; 98 default: 99 if (eflag) 100 printf("(vjc type=0x%02x) ", bp[0] & 0xf0); 101 return -1; 102 } 103 } 104 #endif /* defined(__bsdi__) || defined(__NetBSD__) */ 105