diff options
Diffstat (limited to 'libnet/sample/test_ipv6_icmpv4.c')
| -rw-r--r-- | libnet/sample/test_ipv6_icmpv4.c | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/libnet/sample/test_ipv6_icmpv4.c b/libnet/sample/test_ipv6_icmpv4.c new file mode 100644 index 0000000..b3dcd67 --- /dev/null +++ b/libnet/sample/test_ipv6_icmpv4.c @@ -0,0 +1,123 @@ +/* + * 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 ip_offset %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->ip_offset, 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, + (u_int8_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); + + { + u_int8_t* pkt1 = NULL; + u_int32_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); +} + |