1 /* 2 * Copyright (c) 1994, 1995, 1996 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 * Format and print NETBIOS packets. 22 * Contributed by Brad Parker (brad@fcr.com). 23 */ 24 25 #ifndef lint 26 static const char rcsid[] = 27 "@(#) $Header: /home/cvs/src/usr.sbin/tcpdump/print-netbios.c,v 1.2 1996/12/12 16:22:32 bitblt Exp $"; 28 #endif 29 30 #include <sys/param.h> 31 #include <sys/socket.h> 32 33 #include <netinet/in.h> 34 #include <netinet/in_systm.h> 35 #include <netinet/ip.h> 36 #include <netinet/ip_var.h> 37 #include <netinet/udp.h> 38 #include <netinet/udp_var.h> 39 #include <netinet/tcp.h> 40 #include <netinet/tcpip.h> 41 42 #ifdef __STDC__ 43 #include <stdlib.h> 44 #endif 45 #include <stdio.h> 46 #include <string.h> 47 48 #include "interface.h" 49 #include "addrtoname.h" 50 #include "netbios.h" 51 #include "extract.h" 52 53 /* 54 * Print NETBIOS packets. 55 */ 56 void 57 netbios_print(struct p8022Hdr *nb, u_int length) 58 { 59 if (length < p8022Size) { 60 (void)printf(" truncated-netbios %d", length); 61 return; 62 } 63 64 if (nb->flags == UI) { 65 (void)printf("802.1 UI "); 66 } else { 67 (void)printf("802.1 CONN "); 68 } 69 70 if ((u_char *)(nb + 1) > snapend) { 71 printf(" [|netbios]"); 72 return; 73 } 74 75 /* 76 netbios_decode(nb, (u_char *)nb + p8022Size, length - p8022Size); 77 */ 78 } 79 80 #ifdef never 81 (void)printf("%s.%d > ", 82 ipxaddr_string(EXTRACT_32BITS(ipx->srcNet), ipx->srcNode), 83 EXTRACT_16BITS(ipx->srcSkt)); 84 85 (void)printf("%s.%d:", 86 ipxaddr_string(EXTRACT_32BITS(ipx->dstNet), ipx->dstNode), 87 EXTRACT_16BITS(ipx->dstSkt)); 88 89 if ((u_char *)(ipx + 1) > snapend) { 90 printf(" [|ipx]"); 91 return; 92 } 93 94 /* take length from ipx header */ 95 length = EXTRACT_16BITS(&ipx->length); 96 97 ipx_decode(ipx, (u_char *)ipx + ipxSize, length - ipxSize); 98 #endif 99 100