| #include <uapi/linux/bpf.h> |
| #include <linux/socket.h> |
| #include <uapi/linux/in.h> |
| #include <uapi/linux/in6.h> |
| int bpf_prog1(struct bpf_sock *sk) |
| char fmt[] = "socket: family %d type %d protocol %d\n"; |
| bpf_trace_printk(fmt, sizeof(fmt), sk->family, sk->type, sk->protocol); |
| /* block PF_INET6, SOCK_RAW, IPPROTO_ICMPV6 sockets |
| if (sk->family == PF_INET6 && |
| sk->protocol == IPPROTO_ICMPV6) |
| int bpf_prog2(struct bpf_sock *sk) |
| char fmt[] = "socket: family %d type %d protocol %d\n"; |
| bpf_trace_printk(fmt, sizeof(fmt), sk->family, sk->type, sk->protocol); |
| /* block PF_INET, SOCK_RAW, IPPROTO_ICMP sockets |
| if (sk->family == PF_INET && |
| sk->protocol == IPPROTO_ICMP) |
| char _license[] SEC("license") = "GPL"; |