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#include <pthread.h>
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <signal.h>
#include <sys/time.h>
#include <sys/types.h>
#include <math.h>
#include <ctype.h>
#include <errno.h>
#include <arpa/inet.h>
#include <netinet/ip.h>
#include <netinet/udp.h>
#include <netdb.h>
volatile int running_threads = 0;
volatile int found_srvs = 0;
volatile unsigned long per_thread = 0;
volatile unsigned long start = 0;
volatile unsigned long scanned = 0;
volatile unsigned long hosts_done = 0;
int sd;
int rval;
char responce[1024];
char *message="shell";
struct hostent *hostaddr;
struct sockaddr_in servaddr;
FILE *fd;
void *flood(void *par1)
{
running_threads++;
int thread_id = (int)par1;
unsigned long start_ip = htonl(ntohl(start)+(per_thread*thread_id));
unsigned long end = htonl(ntohl(start)+(per_thread*(thread_id+1)));
unsigned long w;
int y;
for(w=ntohl(start_ip);w<htonl(end);w++)
{
sd = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP);
if (sd == -1)
{
printf ("erreur\n");
}
char address[INET_ADDRSTRLEN] = {0};
unsigned long w2 = htonl(w);
memset( &servaddr, 0, sizeof(servaddr));
servaddr.sin_family = AF_INET;
servaddr.sin_port = htons(80);
hostaddr = gethostbyname(inet_ntop(AF_INET, &w2, address, sizeof address));
memcpy(&servaddr.sin_addr, hostaddr->h_addr, hostaddr->h_length);
rval = connect(sd, (struct sockaddr *) &servaddr, sizeof(servaddr));
if (rval == -1)
{
close(sd);
}
else
{
fprintf(fd,"%s", w);
fflush(fd);
close(sd);
}
scanned++;
hosts_done++;
}
running_threads--;
return;
}
void sighandler(int sig)
{
fclose(fd);
printf("\n");
exit(0);
}
int main(int argc, char *argv[ ])
{
if(argc < 5){
fprintf(stderr, "Paramteres non valides \n\n");
fprintf(stdout, "Utilisation : %s [Debut de la Ranger] [Fin de la ranger] [Fichier .txt] [Threads] \n", argv[0]);
exit(-1);
}
fd = fopen(argv[3], "a");
signal(SIGINT, &sighandler);
int threads = atoi(argv[4]);
pthread_t thread;
char *str_start = malloc(18);
memset(str_start, 0, 18);
str_start = argv[1];
char *str_end = malloc(18);
memset(str_end, 0, 18);
str_end = argv[2];
start = inet_addr(str_start);
per_thread = (ntohl(inet_addr(str_end)) - ntohl(inet_addr(str_start))) / threads;
unsigned long toscan = (ntohl(inet_addr(str_end)) - ntohl(inet_addr(str_start)));
int i;
for(i = 0;i<threads;i++){
pthread_create( &thread, NULL, &flood, (void *) i);
}
sleep(1);
printf("Scan en cours \n");
char *temp = (char *)malloc(17);
memset(temp, 0, 17);
sprintf(temp, "IP Trouver");
printf("%-16s", temp);
memset(temp, 0, 17);
sprintf(temp, "IP/s");
printf("%-16s", temp);
memset(temp, 0, 17);
sprintf(temp, "Threads");
printf("%-16s", temp);
memset(temp, 0, 17);
sprintf(temp, "Pourcentage");
printf("%s", temp);
printf("\n");
char *new;
new = (char *)malloc(16*6);
while (running_threads > 0)
{
printf("\r");
memset(new, '\0', 16*6);
sprintf(new, "%s|%-15lu", new, found_srvs);
sprintf(new, "%s|%-15d", new, scanned);
sprintf(new, "%s|%-15d", new, running_threads);
memset(temp, 0, 17);
int percent_done=((double)(hosts_done)/(double)(toscan))*100;
sprintf(temp, "%d%%", percent_done);
sprintf(new, "%s|%s", new, temp);
printf("%s", new);
fflush(stdout);
scanned = 0;
sleep(1);
}
printf("\n");
fclose(fd);
return 0;
} |
