Annotation of embedaddon/libnet/sample/test_ipv6_icmpv4.c, revision 1.1.1.1
1.1 misho 1: /*
2: * Regression test for bugs such as reported in:
3: * http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=418975
4: *
5: * Copyright (c) 2009 Sam Roberts <sroberts@wurldtech.com>
6: * All rights reserved.
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
16: *
17: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20: * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27: * SUCH DAMAGE.
28: *
29: */
30: #if (HAVE_CONFIG_H)
31: #include "../include/config.h"
32: #endif
33: #include "./libnet_test.h"
34:
35: #include <assert.h>
36:
37: #include <netinet/in.h>
38:
39: static void print_pblocks(libnet_t* l)
40: {
41: libnet_pblock_t* p = l->protocol_blocks;
42:
43: while(p) {
44: /* h_len is header length for checksumming? "chksum length"? */
45: printf(" tag %d flags %d type %20s/%#x buf %p b_len %2u h_len %2u copied %2u\n",
46: p->ptag, p->flags,
47: libnet_diag_dump_pblock_type(p->type), p->type,
48: p->buf, p->b_len, p->h_len, p->copied);
49: p = p->next;
50: }
51: printf(" link_offset %d aligner %d total_size %u nblocks %d\n",
52: l->link_offset, l->aligner, l->total_size, l->n_pblocks);
53:
54: }
55:
56: int
57: main(int argc, char *argv[])
58: {
59: libnet_t *l;
60: int r;
61: char *device = "eth0";
62: struct libnet_ether_addr *mac_address;
63: struct in6_addr src_ip;
64: struct libnet_in6_addr dst_ip;
65: char errbuf[LIBNET_ERRBUF_SIZE];
66: libnet_ptag_t icmp_ptag = 0;
67: libnet_ptag_t ipv6_ptag = 0;
68: char payload[24] = { 0 };
69:
70: memset(&src_ip, 0x66, sizeof(src_ip));
71:
72: l = libnet_init( LIBNET_RAW6, device, errbuf);
73:
74: assert(l);
75:
76: mac_address = libnet_get_hwaddr(l);
77: assert(mac_address);
78:
79: dst_ip = libnet_name2addr6(l, "::1" /* BCAST_ADDR - defined where? */, LIBNET_DONT_RESOLVE);
80:
81: memcpy(payload,src_ip.s6_addr,16);
82: payload[16] = 2; /* 2 for Target Link-layer Address */
83: payload[17] = 1; /* The length of the option */
84: memcpy(payload+18,mac_address->ether_addr_octet, 6);
85:
86: /* 0x2000: RSO */
87: icmp_ptag = libnet_build_icmpv4_echo(
88: 136,0,0,0x2000,0,
89: (uint8_t *)payload,sizeof(payload), l, LIBNET_PTAG_INITIALIZER);
90: assert(icmp_ptag);
91:
92: ipv6_ptag = libnet_build_ipv6(
93: 0, 0,
94: LIBNET_ICMPV6_H + sizeof(payload), /* ICMPV6_H == ICMPV4_H, luckily */
95: IPPROTO_ICMP6,
96: 255,
97: *(struct libnet_in6_addr*)&src_ip,
98: dst_ip,
99: NULL, 0,
100: l, 0);
101: assert(icmp_ptag);
102:
103: print_pblocks(l);
104:
105: {
106: uint8_t* pkt1 = NULL;
107: uint32_t pkt1_sz = 0;
108: r = libnet_pblock_coalesce(l, &pkt1, &pkt1_sz);
109: assert(r >= 0);
110:
111: libnet_diag_dump_hex(pkt1, LIBNET_IPV6_H, 0, stdout);
112: libnet_diag_dump_hex(pkt1+LIBNET_IPV6_H, pkt1_sz-LIBNET_IPV6_H, 0, stdout);
113:
114: free(pkt1);
115: pkt1 = NULL;
116: }
117:
118: r = libnet_write(l);
119: assert(r >= 0);
120:
121: return (EXIT_SUCCESS);
122: }
123:
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