/* * Copyright (c) 2003 Bruce M. Simpson <bms@spc.org> * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright *    notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright *    notice, this list of conditions and the following disclaimer in the *    documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software *    must display the following acknowledgement: *        This product includes software developed by Bruce M. Simpson. * 4. Neither the name of Bruce M. Simpson nor the names of co- *    contributors may be used to endorse or promote products derived *    from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY Bruce M. Simpson AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL Bruce M. Simpson OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */#ifndef lintstatic const char rcsid[] _U_ =    "@(#) $Header: /tcpdump/master/tcpdump/print-aodv.c,v 1.11 2004-03-24 00:30:19 guy Exp $ (LBL)";#endif#ifdef HAVE_CONFIG_H#include "config.h"#endif#include <tcpdump-stdinc.h>#include <stddef.h>#include <stdio.h>#include <ctype.h>#include <string.h>#include "interface.h"#include "addrtoname.h"#include "extract.h"			/* must come after interface.h */#include "aodv.h"static voidaodv_extension(const struct aodv_ext *ep, u_int length){	u_int i;	const struct aodv_hello *ah;	switch (ep->type) {	case AODV_EXT_HELLO:		if (snapend < (u_char *) ep) {			printf(" [|hello]");			return;		}		i = min(length, (u_int)(snapend - (u_char *)ep));		if (i < sizeof(struct aodv_hello)) {			printf(" [|hello]");			return;		}		i -= sizeof(struct aodv_hello);		ah = (void *)ep;		printf("\n\text HELLO %ld ms",		    (unsigned long)EXTRACT_32BITS(&ah->interval));		break;	default:		printf("\n\text %u %u", ep->type, ep->length);		break;	}}static voidaodv_rreq(const union aodv *ap, const u_char *dat, u_int length){	u_int i;	if (snapend < dat) {		printf(" [|aodv]");		return;	}	i = min(length, (u_int)(snapend - dat));	if (i < sizeof(ap->rreq)) {		printf(" [|rreq]");		return;	}	i -= sizeof(ap->rreq);	printf(" rreq %u %s%s%s%s%shops %u id 0x%08lx\n"	    "\tdst %s seq %lu src %s seq %lu", length,	    ap->rreq.rreq_type & RREQ_JOIN ? "[J]" : "",	    ap->rreq.rreq_type & RREQ_REPAIR ? "[R]" : "",	    ap->rreq.rreq_type & RREQ_GRAT ? "[G]" : "",	    ap->rreq.rreq_type & RREQ_DEST ? "[D]" : "",	    ap->rreq.rreq_type & RREQ_UNKNOWN ? "[U] " : " ",	    ap->rreq.rreq_hops,	    (unsigned long)EXTRACT_32BITS(&ap->rreq.rreq_id),	    ipaddr_string(&ap->rreq.rreq_da),	    (unsigned long)EXTRACT_32BITS(&ap->rreq.rreq_ds),	    ipaddr_string(&ap->rreq.rreq_oa),	    (unsigned long)EXTRACT_32BITS(&ap->rreq.rreq_os));	if (i >= sizeof(struct aodv_ext))		aodv_extension((void *)(&ap->rreq + 1), i);}static voidaodv_rrep(const union aodv *ap, const u_char *dat, u_int length){	u_int i;	if (snapend < dat) {		printf(" [|aodv]");		return;	}	i = min(length, (u_int)(snapend - dat));	if (i < sizeof(ap->rrep)) {		printf(" [|rrep]");		return;	}	i -= sizeof(ap->rrep);	printf(" rrep %u %s%sprefix %u hops %u\n"	    "\tdst %s dseq %lu src %s %lu ms", length,	    ap->rrep.rrep_type & RREP_REPAIR ? "[R]" : "",	    ap->rrep.rrep_type & RREP_ACK ? "[A] " : " ",	    ap->rrep.rrep_ps & RREP_PREFIX_MASK,	    ap->rrep.rrep_hops,	    ipaddr_string(&ap->rrep.rrep_da),	    (unsigned long)EXTRACT_32BITS(&ap->rrep.rrep_ds),	    ipaddr_string(&ap->rrep.rrep_oa),	    (unsigned long)EXTRACT_32BITS(&ap->rrep.rrep_life));	if (i >= sizeof(struct aodv_ext))		aodv_extension((void *)(&ap->rrep + 1), i);}static voidaodv_rerr(const union aodv *ap, const u_char *dat, u_int length){	u_int i;	const struct rerr_unreach *dp = NULL;	int n, trunc;	if (snapend < dat) {		printf(" [|aodv]");		return;	}	i = min(length, (u_int)(snapend - dat));	if (i < offsetof(struct aodv_rerr, r)) {		printf(" [|rerr]");		return;	}	i -= offsetof(struct aodv_rerr, r);	dp = &ap->rerr.r.dest[0];	n = ap->rerr.rerr_dc * sizeof(ap->rerr.r.dest[0]);	printf(" rerr %s [items %u] [%u]:",	    ap->rerr.rerr_flags & RERR_NODELETE ? "[D]" : "",	    ap->rerr.rerr_dc, length);	trunc = n - (i/sizeof(ap->rerr.r.dest[0]));	for (; i >= sizeof(ap->rerr.r.dest[0]);	    ++dp, i -= sizeof(ap->rerr.r.dest[0])) {		printf(" {%s}(%ld)", ipaddr_string(&dp->u_da),		    (unsigned long)EXTRACT_32BITS(&dp->u_ds));	}	if (trunc)		printf("[|rerr]");}static void#ifdef INET6aodv_v6_rreq(const union aodv *ap, const u_char *dat, u_int length)#elseaodv_v6_rreq(const union aodv *ap _U_, const u_char *dat _U_, u_int length)#endif{#ifdef INET6	u_int i;	if (snapend < dat) {		printf(" [|aodv]");		return;	}	i = min(length, (u_int)(snapend - dat));	if (i < sizeof(ap->rreq6)) {		printf(" [|rreq6]");		return;	}	i -= sizeof(ap->rreq6);	printf(" v6 rreq %u %s%s%s%s%shops %u id 0x%08lx\n"	    "\tdst %s seq %lu src %s seq %lu", length,	    ap->rreq6.rreq_type & RREQ_JOIN ? "[J]" : "",	    ap->rreq6.rreq_type & RREQ_REPAIR ? "[R]" : "",	    ap->rreq6.rreq_type & RREQ_GRAT ? "[G]" : "",	    ap->rreq6.rreq_type & RREQ_DEST ? "[D]" : "",	    ap->rreq6.rreq_type & RREQ_UNKNOWN ? "[U] " : " ",	    ap->rreq6.rreq_hops,	    (unsigned long)EXTRACT_32BITS(&ap->rreq6.rreq_id),	    ip6addr_string(&ap->rreq6.rreq_da),	    (unsigned long)EXTRACT_32BITS(&ap->rreq6.rreq_ds),	    ip6addr_string(&ap->rreq6.rreq_oa),	    (unsigned long)EXTRACT_32BITS(&ap->rreq6.rreq_os));	if (i >= sizeof(struct aodv_ext))		aodv_extension((void *)(&ap->rreq6 + 1), i);#else	printf(" v6 rreq %u", length);#endif}static void#ifdef INET6aodv_v6_rrep(const union aodv *ap, const u_char *dat, u_int length)#elseaodv_v6_rrep(const union aodv *ap _U_, const u_char *dat _U_, u_int length)#endif{#ifdef INET6	u_int i;	if (snapend < dat) {		printf(" [|aodv]");		return;	}	i = min(length, (u_int)(snapend - dat));	if (i < sizeof(ap->rrep6)) {		printf(" [|rrep6]");		return;	}	i -= sizeof(ap->rrep6);	printf(" rrep %u %s%sprefix %u hops %u\n"	   "\tdst %s dseq %lu src %s %lu ms", length,	    ap->rrep6.rrep_type & RREP_REPAIR ? "[R]" : "",	    ap->rrep6.rrep_type & RREP_ACK ? "[A] " : " ",	    ap->rrep6.rrep_ps & RREP_PREFIX_MASK,	    ap->rrep6.rrep_hops,	    ip6addr_string(&ap->rrep6.rrep_da),	    (unsigned long)EXTRACT_32BITS(&ap->rrep6.rrep_ds),	    ip6addr_string(&ap->rrep6.rrep_oa),	    (unsigned long)EXTRACT_32BITS(&ap->rrep6.rrep_life));	if (i >= sizeof(struct aodv_ext))		aodv_extension((void *)(&ap->rrep6 + 1), i);#else	printf(" rrep %u", length);#endif}static void#ifdef INET6aodv_v6_rerr(const union aodv *ap, u_int length)#elseaodv_v6_rerr(const union aodv *ap _U_, u_int length)#endif{#ifdef INET6	const struct rerr_unreach6 *dp6 = NULL;	int i, j, n, trunc;	i = length - offsetof(struct aodv_rerr, r);	j = sizeof(ap->rerr.r.dest6[0]);	dp6 = &ap->rerr.r.dest6[0];	n = ap->rerr.rerr_dc * j;	printf(" rerr %s [items %u] [%u]:",	    ap->rerr.rerr_flags & RERR_NODELETE ? "[D]" : "",	    ap->rerr.rerr_dc, length);	trunc = n - (i/j);	for (; i -= j >= 0; ++dp6) {		printf(" {%s}(%ld)", ip6addr_string(&dp6->u_da),		    (unsigned long)EXTRACT_32BITS(&dp6->u_ds));	}	if (trunc)		printf("[|rerr]");#else	printf(" rerr %u", length);#endif}static void#ifdef INET6aodv_v6_draft_01_rreq(const union aodv *ap, const u_char *dat, u_int length)#elseaodv_v6_draft_01_rreq(const union aodv *ap _U_, const u_char *dat _U_,    u_int length)#endif{#ifdef INET6	u_int i;	if (snapend < dat) {		printf(" [|aodv]");		return;	}	i = min(length, (u_int)(snapend - dat));	if (i < sizeof(ap->rreq6_draft_01)) {		printf(" [|rreq6]");		return;	}	i -= sizeof(ap->rreq6_draft_01);	printf(" rreq %u %s%s%s%s%shops %u id 0x%08lx\n"	    "\tdst %s seq %lu src %s seq %lu", length,	    ap->rreq6_draft_01.rreq_type & RREQ_JOIN ? "[J]" : "",	    ap->rreq6_draft_01.rreq_type & RREQ_REPAIR ? "[R]" : "",	    ap->rreq6_draft_01.rreq_type & RREQ_GRAT ? "[G]" : "",	    ap->rreq6_draft_01.rreq_type & RREQ_DEST ? "[D]" : "",	    ap->rreq6_draft_01.rreq_type & RREQ_UNKNOWN ? "[U] " : " ",	    ap->rreq6_draft_01.rreq_hops,	    (unsigned long)EXTRACT_32BITS(&ap->rreq6_draft_01.rreq_id),	    ip6addr_string(&ap->rreq6_draft_01.rreq_da),	    (unsigned long)EXTRACT_32BITS(&ap->rreq6_draft_01.rreq_ds),	    ip6addr_string(&ap->rreq6_draft_01.rreq_oa),	    (unsigned long)EXTRACT_32BITS(&ap->rreq6_draft_01.rreq_os));	if (i >= sizeof(struct aodv_ext))		aodv_extension((void *)(&ap->rreq6_draft_01 + 1), i);#else	printf(" rreq %u", length);#endif}static void#ifdef INET6aodv_v6_draft_01_rrep(const union aodv *ap, const u_char *dat, u_int length)#elseaodv_v6_draft_01_rrep(const union aodv *ap _U_, const u_char *dat _U_,    u_int length)#endif{#ifdef INET6	u_int i;	if (snapend < dat) {		printf(" [|aodv]");		return;	}	i = min(length, (u_int)(snapend - dat));	if (i < sizeof(ap->rrep6_draft_01)) {		printf(" [|rrep6]");		return;	}	i -= sizeof(ap->rrep6_draft_01);	printf(" rrep %u %s%sprefix %u hops %u\n"	   "\tdst %s dseq %lu src %s %lu ms", length,	    ap->rrep6_draft_01.rrep_type & RREP_REPAIR ? "[R]" : "",	    ap->rrep6_draft_01.rrep_type & RREP_ACK ? "[A] " : " ",	    ap->rrep6_draft_01.rrep_ps & RREP_PREFIX_MASK,	    ap->rrep6_draft_01.rrep_hops,	    ip6addr_string(&ap->rrep6_draft_01.rrep_da),	    (unsigned long)EXTRACT_32BITS(&ap->rrep6_draft_01.rrep_ds),	    ip6addr_string(&ap->rrep6_draft_01.rrep_oa),	    (unsigned long)EXTRACT_32BITS(&ap->rrep6_draft_01.rrep_life));	if (i >= sizeof(struct aodv_ext))		aodv_extension((void *)(&ap->rrep6_draft_01 + 1), i);#else	printf(" rrep %u", length);#endif}static void#ifdef INET6aodv_v6_draft_01_rerr(const union aodv *ap, u_int length)#elseaodv_v6_draft_01_rerr(const union aodv *ap _U_, u_int length)#endif{#ifdef INET6	const struct rerr_unreach6_draft_01 *dp6 = NULL;	int i, j, n, trunc;	i = length - offsetof(struct aodv_rerr, r);	j = sizeof(ap->rerr.r.dest6_draft_01[0]);	dp6 = &ap->rerr.r.dest6_draft_01[0];	n = ap->rerr.rerr_dc * j;	printf(" rerr %s [items %u] [%u]:",	    ap->rerr.rerr_flags & RERR_NODELETE ? "[D]" : "",	    ap->rerr.rerr_dc, length);	trunc = n - (i/j);	for (; i -= j >= 0; ++dp6) {		printf(" {%s}(%ld)", ip6addr_string(&dp6->u_da),		    (unsigned long)EXTRACT_32BITS(&dp6->u_ds));	}	if (trunc)		printf("[|rerr]");#else	printf(" rerr %u", length);#endif}voidaodv_print(const u_char *dat, u_int length, int is_ip6){	const union aodv *ap;	ap = (union aodv *)dat;	if (snapend < dat) {		printf(" [|aodv]");		return;	}	if (min(length, (u_int)(snapend - dat)) < sizeof(ap->rrep_ack)) {		printf(" [|aodv]");		return;	}	printf(" aodv");	switch (ap->rerr.rerr_type) {	case AODV_RREQ:		if (is_ip6)			aodv_v6_rreq(ap, dat, length);		else			aodv_rreq(ap, dat, length);		break;	case AODV_RREP:		if (is_ip6)			aodv_v6_rrep(ap, dat, length);		else			aodv_rrep(ap, dat, length);		break;	case AODV_RERR:		if (is_ip6)			aodv_v6_rerr(ap, length);		else			aodv_rerr(ap, dat, length);		break;	case AODV_RREP_ACK:		printf(" rrep-ack %u", length);		break;	case AODV_V6_DRAFT_01_RREQ:		aodv_v6_draft_01_rreq(ap, dat, length);		break;	case AODV_V6_DRAFT_01_RREP:		aodv_v6_draft_01_rrep(ap, dat, length);		break;	case AODV_V6_DRAFT_01_RERR:		aodv_v6_draft_01_rerr(ap, length);		break;	case AODV_V6_DRAFT_01_RREP_ACK:		printf(" rrep-ack %u", length);		break;	default:		printf(" %u %u", ap->rreq.rreq_type, length);	}}