freplace_connect4.c

 1#include <linux/stddef.h>
 2#include <linux/ipv6.h>
 3#include <linux/bpf.h>
 4#include <linux/in.h>
 5#include <sys/socket.h>
 6#include <bpf/bpf_helpers.h>
 7#include <bpf/bpf_endian.h>
 8
 9SEC("freplace/do_bind")
10int new_do_bind(struct bpf_sock_addr *ctx)
11{
12  struct sockaddr_in sa = {};
13
14  bpf_bind(ctx, (struct sockaddr *)&sa, sizeof(sa));
15  return 0;
16}
17
18char _license[] SEC("license") = "GPL";