| /* |
| * 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 lint |
| static 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 void |
| aodv_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 void |
| aodv_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 void |
| aodv_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 void |
| aodv_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 INET6 |
| aodv_v6_rreq(const union aodv *ap, const u_char *dat, u_int length) |
| #else |
| aodv_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 INET6 |
| aodv_v6_rrep(const union aodv *ap, const u_char *dat, u_int length) |
| #else |
| aodv_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 INET6 |
| aodv_v6_rerr(const union aodv *ap, u_int length) |
| #else |
| aodv_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 INET6 |
| aodv_v6_draft_01_rreq(const union aodv *ap, const u_char *dat, u_int length) |
| #else |
| aodv_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 INET6 |
| aodv_v6_draft_01_rrep(const union aodv *ap, const u_char *dat, u_int length) |
| #else |
| aodv_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 INET6 |
| aodv_v6_draft_01_rerr(const union aodv *ap, u_int length) |
| #else |
| aodv_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 |
| } |
| |
| void |
| aodv_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); |
| } |
| } |