diff options
-rw-r--r-- | usr.sbin/tcpdump/ethertype.h | 6 | ||||
-rw-r--r-- | usr.sbin/tcpdump/netbios.h | 39 | ||||
-rw-r--r-- | usr.sbin/tcpdump/print-netbios.c | 105 |
3 files changed, 148 insertions, 2 deletions
diff --git a/usr.sbin/tcpdump/ethertype.h b/usr.sbin/tcpdump/ethertype.h index 0715241bb35..e842d9bb1d3 100644 --- a/usr.sbin/tcpdump/ethertype.h +++ b/usr.sbin/tcpdump/ethertype.h @@ -1,4 +1,4 @@ -/* $OpenBSD: ethertype.h,v 1.4 1996/07/13 11:01:09 mickey Exp $ */ +/* $OpenBSD: ethertype.h,v 1.5 1996/11/12 07:54:56 mickey Exp $ */ /* * Copyright (c) 1993, 1994 @@ -59,7 +59,9 @@ #ifndef ETHERTYPE_LOOPBACK #define ETHERTYPE_LOOPBACK 0x9000 #endif - +#ifndef ETHERTYPE_8022 +#define ETHERTYPE_8022 0x0004 +#endif #ifndef ETHERTYPE_ATALK #define ETHERTYPE_ATALK 0x809b #endif diff --git a/usr.sbin/tcpdump/netbios.h b/usr.sbin/tcpdump/netbios.h new file mode 100644 index 00000000000..162e83c2c40 --- /dev/null +++ b/usr.sbin/tcpdump/netbios.h @@ -0,0 +1,39 @@ +/* $OpenBSD: netbios.h,v 1.1 1996/11/12 07:54:55 mickey Exp $ */ + +/* + * Copyright (c) 1994, 1995, 1996 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that: (1) source code distributions + * retain the above copyright notice and this paragraph in its entirety, (2) + * distributions including binary code include the above copyright notice and + * this paragraph in its entirety in the documentation or other materials + * provided with the distribution, and (3) all advertising materials mentioning + * features or use of this software display the following acknowledgement: + * ``This product includes software developed by the University of California, + * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of + * the University nor the names of its contributors may be used to endorse + * or promote products derived from this software without specific prior + * written permission. + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +/* + * NETBIOS protocol formats + * + * @(#) Header: netbios.h,v 1.1 94/06/09 11:47:15 mccanne Exp + */ + +struct p8022Hdr { + u_char dsap; + u_char ssap; + u_char flags; +}; + +#define p8022Size 3 /* min 802.2 header size */ + +#define UI 0x03 /* 802.2 flags */ + diff --git a/usr.sbin/tcpdump/print-netbios.c b/usr.sbin/tcpdump/print-netbios.c new file mode 100644 index 00000000000..f384170c801 --- /dev/null +++ b/usr.sbin/tcpdump/print-netbios.c @@ -0,0 +1,105 @@ +/* $OpenBSD: print-netbios.c,v 1.1 1996/11/12 07:54:55 mickey Exp $ */ + +/* + * Copyright (c) 1994, 1995, 1996 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that: (1) source code distributions + * retain the above copyright notice and this paragraph in its entirety, (2) + * distributions including binary code include the above copyright notice and + * this paragraph in its entirety in the documentation or other materials + * provided with the distribution, and (3) all advertising materials mentioning + * features or use of this software display the following acknowledgement: + * ``This product includes software developed by the University of California, + * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of + * the University nor the names of its contributors may be used to endorse + * or promote products derived from this software without specific prior + * written permission. + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +/* + * Format and print NETBIOS packets. + * Contributed by Brad Parker (brad@fcr.com). + */ +#ifndef lint +static char rcsid[] = + "@(#)Header: print-netbios.c,v 1.5 96/06/03 02:53:36 leres Exp"; +#endif + +#ifdef __STDC__ +#include <stdlib.h> +#endif +#include <stdio.h> + +#include <sys/param.h> +#include <sys/types.h> +#include <sys/socket.h> +#include <netinet/in.h> +#include <netinet/in_systm.h> +#include <netinet/ip.h> +#include <netinet/ip_var.h> +#include <netinet/udp.h> +#include <netinet/udp_var.h> +#include <netinet/tcp.h> +#include <netinet/tcpip.h> + +#include <string.h> + +#include "interface.h" +#include "addrtoname.h" +#include "netbios.h" +#include "extract.h" + +/* + * Print NETBIOS packets. + */ +void +netbios_print(const u_char *p, int length) +{ + struct p8022Hdr *nb = (struct p8022Hdr *)p; + + if (length < p8022Size) { + (void)printf(" truncated-netbios %d", length); + return; + } + + if (nb->flags == UI) { + (void)printf("802.1 UI "); + } else { + (void)printf("802.1 CONN "); + } + + if ((u_char *)(nb + 1) > snapend) { + printf(" [|netbios]"); + return; + } + +/* + netbios_decode(nb, (u_char *)nb + p8022Size, length - p8022Size); +*/ +} + +#ifdef never + (void)printf("%s.%d > ", + ipxaddr_string(EXTRACT_LONG(ipx->srcNet), ipx->srcNode), + EXTRACT_SHORT(ipx->srcSkt)); + + (void)printf("%s.%d:", + ipxaddr_string(EXTRACT_LONG(ipx->dstNet), ipx->dstNode), + EXTRACT_SHORT(ipx->dstSkt)); + + if ((u_char *)(ipx + 1) > snapend) { + printf(" [|ipx]"); + return; + } + + /* take length from ipx header */ + length = EXTRACT_SHORT(&ipx->length); + + ipx_decode(ipx, (u_char *)ipx + ipxSize, length - ipxSize); +#endif + |