1 /* $OpenBSD: print-netbios.c,v 1.5 2002/02/19 19:39:40 millert 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 1.5 2002/02/19 19:39:40 millert 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 #include <stdio.h> 44 #include <stdlib.h> 45 #include <string.h> 46 47 #include "interface.h" 48 #include "addrtoname.h" 49 #include "netbios.h" 50 #include "extract.h" 51 52 /* 53 * Print NETBIOS packets. 54 */ 55 void 56 netbios_print(struct p8022Hdr *nb, u_int length) 57 { 58 if (length < p8022Size) { 59 (void)printf(" truncated-netbios %d", length); 60 return; 61 } 62 63 if (nb->flags == UI) { 64 (void)printf("802.1 UI "); 65 } else { 66 (void)printf("802.1 CONN "); 67 } 68 69 if ((u_char *)(nb + 1) > snapend) { 70 printf(" [|netbios]"); 71 return; 72 } 73 74 /* 75 netbios_decode(nb, (u_char *)nb + p8022Size, length - p8022Size); 76 */ 77 } 78 79 #ifdef never 80 (void)printf("%s.%d > ", 81 ipxaddr_string(EXTRACT_32BITS(ipx->srcNet), ipx->srcNode), 82 EXTRACT_16BITS(ipx->srcSkt)); 83 84 (void)printf("%s.%d:", 85 ipxaddr_string(EXTRACT_32BITS(ipx->dstNet), ipx->dstNode), 86 EXTRACT_16BITS(ipx->dstSkt)); 87 88 if ((u_char *)(ipx + 1) > snapend) { 89 printf(" [|ipx]"); 90 return; 91 } 92 93 /* take length from ipx header */ 94 length = EXTRACT_16BITS(&ipx->length); 95 96 ipx_decode(ipx, (u_char *)ipx + ipxSize, length - ipxSize); 97 #endif 98 99