src/vpn/test.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <sys/socket.h>
   4 #include <string.h>
   5
   6 #include <linux/if.h>
   7
   8 #include "packet.h"
   9 #include "tun.h"
  10 #include "debug.h"
  11 #include "pretty-print.h"
  12 #include "tcp.h"
  13 #include <arpa/inet.h>
  14
  15
  16 int main(int c, char** v) {
  17         char dev[IFNAMSIZ];
  18         memset(dev, 0, IFNAMSIZ);
  19         int fd = init_tun(dev);
  20
  21         debug(1, 0, "Initialized the interface %s.\n", dev);
  22
  23         struct pkt_tun* pkt;
  24
  25         for(;;) {
  26                 printf("read %d bytes from socket, ", recv_pkt(fd, &pkt));
  27                 switch (ntohs(pkt->type)) {
  28                         case 0x86dd:
  29                                 printf("parsing ipv6:\n");
  30                                 struct ip6_pkt* pkt6 = parse_ip6(pkt);
  31                                 pkt_printf(pkt6);
  32                                 struct ip6_tcp* pkt6_tcp;
  33                                 struct ip6_udp* pkt6_udp;
  34                                 switch(pkt6->hdr.nxthdr) {
  35                                         case 0x06:
  36                                                 pkt6_tcp = parse_ip6_tcp(pkt6);
  37                                                 pkt_printf_ip6tcp(pkt6_tcp);
  38                                                 handle_tcp(pkt6_tcp);
  39                                                 break;
  40                                         case 0x11:
  41                                                 pkt6_udp = parse_ip6_udp(pkt6);
  42                                                 pkt_printf_ip6udp(pkt6_udp);
  43                                                 break;
  44                                 }
  45                                 break;
  46                         default:
  47                                 printf("unknown/unimplemented packet-type\n");
  48                                 break;
  49                 }
  50         }
  51 }