95 lines
2.2 KiB
C
95 lines
2.2 KiB
C
/*
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* $smu-mark$
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* $name: sendip6.c$
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* $author: Matyas Koszik <koszik@atw.hu>$
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* $copyright: Copyright (C) 2006 by Matyas Koszik$
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* $license: This software is under GPL version 2 of license$
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* $date: Sun Apr 16 05:18:30 CEST 2006$
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* $rev: 1$
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*/
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#include <stdio.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <string.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "hping2.h"
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#include "globals.h"
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void send_ip6 (char *src, char *dst, char *data, unsigned int datalen)
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{
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char *packet;
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int result,
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packetsize;
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struct myip6hdr *ip6;
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packetsize = IP6HDR_SIZE + datalen;
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if ( (packet = malloc(packetsize)) == NULL) {
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perror("[send_ip] malloc()");
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return;
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}
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memset(packet, 0, packetsize);
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ip6 = (struct myip6hdr*) packet;
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/* copy src and dst address */
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memcpy(ip6->saddr, src, sizeof(ip6->saddr));
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memcpy(ip6->daddr, dst, sizeof(ip6->daddr));
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/* build ip header */
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ip6->version = 6;
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// ip->tos = ip_tos;
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#if defined OSTYPE_FREEBSD || defined OSTYPE_NETBSD || defined OSTYPE_BSDI
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/* FreeBSD */
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/* NetBSD */
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ip6->paylen = datalen;
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#else
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/* Linux */
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/* OpenBSD */
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ip6->paylen = htons(datalen);
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#endif
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ip6->hoplimit = src_ttl;
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if (opt_rawipmode) ip6->nextheader = raw_ip_protocol;
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else if (opt_icmpmode) ip6->nextheader = 58; /* icmp */
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else if (opt_udpmode) ip6->nextheader = 17; /* udp */
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else ip6->nextheader = 6; /* tcp */
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/* copies data */
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memcpy(packet + IP6HDR_SIZE, data, datalen);
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if (opt_debug == TRUE)
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{
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unsigned int i;
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for (i=0; i<packetsize; i++)
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printf("%.2X ", packet[i]&255);
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printf("\n");
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}
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result = sendto(sockraw, packet, packetsize, 0,
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(struct sockaddr*)&remote, sizeof(remote));
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if (result == -1 && errno != EINTR && !opt_rand_dest && !opt_rand_source) {
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perror("[send_ip6] sendto");
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if (close(sockraw) == -1)
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perror("[ipsender] close(sockraw)");
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#if (!defined OSTYPE_LINUX) || (defined FORCE_LIBPCAP)
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if (close_pcap() == -1)
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printf("[ipsender] close_pcap failed\n");
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#else
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if (close_sockpacket(sockpacket) == -1)
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perror("[ipsender] close(sockpacket)");
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#endif /* ! OSTYPE_LINUX || FORCE_LIBPCAP */
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exit(1);
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}
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free(packet);
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sum_bytes += packetsize;
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sum_packets++;
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}
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