diff options
Diffstat (limited to 'contrib/tcpdump/print-aodv.c')
| -rw-r--r-- | contrib/tcpdump/print-aodv.c | 455 |
1 files changed, 455 insertions, 0 deletions
diff --git a/contrib/tcpdump/print-aodv.c b/contrib/tcpdump/print-aodv.c new file mode 100644 index 0000000..c5f6622 --- /dev/null +++ b/contrib/tcpdump/print-aodv.c @@ -0,0 +1,455 @@ +/* + * 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); + } +} |
