SIMPLE SCANNER DE PORTS

#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>


int main( int argc,char** argv){
  struct sockaddr_in localaddr;/*local add redéfinie pour tcp/ip*/
  if(getuid()!=0){
    printf("Relancer en mode SU\n");
    exit(-1);}
  int i;
  for(i=1;i<65535;i++){
    int my_socket;
    if((my_socket=socket(PF_INET,SOCK_STREAM,0))==-1){
      perror("Erreur de création du socket");
      exit(-1);
    }
    localaddr.sin_family=AF_INET;/*Protocol*/
    localaddr.sin_addr.s_addr=inet_addr("127.0.0.1");/*Adresse ip*/
    localaddr.sin_port=htons(i);
    if(bind(my_socket,(struct sockaddr*)&localaddr,sizeof(struct sockaddr_in))==-1){
      printf("Port : %d ouvert\n",i);
    }
    close(my_socket);
  }
  return 0;
}