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/*
* Regression test for bugs such as reported in:
* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=418975
*
* Copyright (c) 2009 Sam Roberts <sroberts@wurldtech.com>
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 THE AUTHOR 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.
*
*/
#if (HAVE_CONFIG_H)
#include "../include/config.h"
#endif
#include "./libnet_test.h"
#include <assert.h>
#include <netinet/in.h>
static void print_pblocks(libnet_t* l)
{
libnet_pblock_t* p = l->protocol_blocks;
while(p) {
/* h_len is header length for checksumming? "chksum length"? */
printf(" tag %d flags %d type %20s/%#x buf %p b_len %2u h_len %2u copied %2u\n",
p->ptag, p->flags,
libnet_diag_dump_pblock_type(p->type), p->type,
p->buf, p->b_len, p->h_len, p->copied);
p = p->next;
}
printf(" link_offset %d aligner %d total_size %u nblocks %d\n",
l->link_offset, l->aligner, l->total_size, l->n_pblocks);
}
int
main(int argc, char *argv[])
{
libnet_t *l;
int r;
char *device = "eth0";
struct libnet_ether_addr *mac_address;
struct in6_addr src_ip;
struct libnet_in6_addr dst_ip;
char errbuf[LIBNET_ERRBUF_SIZE];
libnet_ptag_t icmp_ptag = 0;
libnet_ptag_t ipv6_ptag = 0;
char payload[24] = { 0 };
memset(&src_ip, 0x66, sizeof(src_ip));
l = libnet_init( LIBNET_RAW6, device, errbuf);
assert(l);
mac_address = libnet_get_hwaddr(l);
assert(mac_address);
dst_ip = libnet_name2addr6(l, "::1" /* BCAST_ADDR - defined where? */, LIBNET_DONT_RESOLVE);
memcpy(payload,src_ip.s6_addr,16);
payload[16] = 2; /* 2 for Target Link-layer Address */
payload[17] = 1; /* The length of the option */
memcpy(payload+18,mac_address->ether_addr_octet, 6);
/* 0x2000: RSO */
icmp_ptag = libnet_build_icmpv4_echo(
136,0,0,0x2000,0,
(uint8_t *)payload,sizeof(payload), l, LIBNET_PTAG_INITIALIZER);
assert(icmp_ptag);
ipv6_ptag = libnet_build_ipv6(
0, 0,
LIBNET_ICMPV6_H + sizeof(payload), /* ICMPV6_H == ICMPV4_H, luckily */
IPPROTO_ICMP6,
255,
*(struct libnet_in6_addr*)&src_ip,
dst_ip,
NULL, 0,
l, 0);
assert(icmp_ptag);
print_pblocks(l);
{
uint8_t* pkt1 = NULL;
uint32_t pkt1_sz = 0;
r = libnet_pblock_coalesce(l, &pkt1, &pkt1_sz);
assert(r >= 0);
libnet_diag_dump_hex(pkt1, LIBNET_IPV6_H, 0, stdout);
libnet_diag_dump_hex(pkt1+LIBNET_IPV6_H, pkt1_sz-LIBNET_IPV6_H, 0, stdout);
free(pkt1);
pkt1 = NULL;
}
r = libnet_write(l);
assert(r >= 0);
return (EXIT_SUCCESS);
}
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