Release 4.11 samples/bpf/sock_flags_kern.c
#include <uapi/linux/bpf.h>
#include <linux/socket.h>
#include <linux/net.h>
#include <uapi/linux/in.h>
#include <uapi/linux/in6.h>
#include "bpf_helpers.h"
SEC("cgroup/sock1")
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
* ie., make ping6 fail
*/
if (sk->family == PF_INET6 &&
sk->type == SOCK_RAW &&
sk->protocol == IPPROTO_ICMPV6)
return 0;
return 1;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| David Ahern | 65 | 100.00% | 1 | 100.00% |
| Total | 65 | 100.00% | 1 | 100.00% |
SEC("cgroup/sock2")
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
* ie., make ping fail
*/
if (sk->family == PF_INET &&
sk->type == SOCK_RAW &&
sk->protocol == IPPROTO_ICMP)
return 0;
return 1;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| David Ahern | 65 | 100.00% | 1 | 100.00% |
| Total | 65 | 100.00% | 1 | 100.00% |
char _license[] SEC("license") = "GPL";
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| David Ahern | 166 | 100.00% | 1 | 100.00% |
| Total | 166 | 100.00% | 1 | 100.00% |
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