1 /* $OpenBSD: print-netbios.c,v 1.4 2000/10/03 14:31:57 ho Exp $ */ 2 3 /* 4 * Copyright (c) 1994, 1995, 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 * Format and print NETBIOS packets. 24 * Contributed by Brad Parker (brad@fcr.com). 25 */ 26 27 #ifndef lint 28 static const char rcsid[] = 29 "@(#) $Header: /home/cvs/src/usr.sbin/tcpdump/print-netbios.c,v 1.4 2000/10/03 14:31:57 ho Exp $"; 30 #endif 31 32 #include <sys/param.h> 33 #include <sys/socket.h> 34 35 #include <netinet/in.h> 36 #include <netinet/in_systm.h> 37 #include <netinet/ip.h> 38 #include <netinet/ip_var.h> 39 #include <netinet/udp.h> 40 #include <netinet/udp_var.h> 41 #include <netinet/tcp.h> 42 43 #ifdef __STDC__ 44 #include <stdlib.h> 45 #endif 46 #include <stdio.h> 47 #include <string.h> 48 49 #include "interface.h" 50 #include "addrtoname.h" 51 #include "netbios.h" 52 #include "extract.h" 53 54 /* 55 * Print NETBIOS packets. 56 */ 57 void 58 netbios_print(struct p8022Hdr *nb, u_int length) 59 { 60 if (length < p8022Size) { 61 (void)printf(" truncated-netbios %d", length); 62 return; 63 } 64 65 if (nb->flags == UI) { 66 (void)printf("802.1 UI "); 67 } else { 68 (void)printf("802.1 CONN "); 69 } 70 71 if ((u_char *)(nb + 1) > snapend) { 72 printf(" [|netbios]"); 73 return; 74 } 75 76 /* 77 netbios_decode(nb, (u_char *)nb + p8022Size, length - p8022Size); 78 */ 79 } 80 81 #ifdef never 82 (void)printf("%s.%d > ", 83 ipxaddr_string(EXTRACT_32BITS(ipx->srcNet), ipx->srcNode), 84 EXTRACT_16BITS(ipx->srcSkt)); 85 86 (void)printf("%s.%d:", 87 ipxaddr_string(EXTRACT_32BITS(ipx->dstNet), ipx->dstNode), 88 EXTRACT_16BITS(ipx->dstSkt)); 89 90 if ((u_char *)(ipx + 1) > snapend) { 91 printf(" [|ipx]"); 92 return; 93 } 94 95 /* take length from ipx header */ 96 length = EXTRACT_16BITS(&ipx->length); 97 98 ipx_decode(ipx, (u_char *)ipx + ipxSize, length - ipxSize); 99 #endif 100 101