linux/samples/bpf/run_cookie_uid_helper_example.sh
Chenbo Feng 00f660eaf3 Sample program using SO_COOKIE
Added a per socket traffic monitoring option to illustrate the usage
of new getsockopt SO_COOKIE. The program is based on the socket traffic
monitoring program using xt_eBPF and in the new option the data entry
can be directly accessed using socket cookie. The cookie retrieved
allow us to lookup an element in the eBPF for a specific socket.

Signed-off-by: Chenbo Feng <fengc@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-08 08:07:01 -07:00

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#!/bin/bash
local_dir="$(pwd)"
root_dir=$local_dir/../..
mnt_dir=$(mktemp -d --tmp)
on_exit() {
iptables -D OUTPUT -m bpf --object-pinned ${mnt_dir}/bpf_prog -j ACCEPT
umount ${mnt_dir}
rm -r ${mnt_dir}
}
trap on_exit EXIT
mount -t bpf bpf ${mnt_dir}
./per_socket_stats_example ${mnt_dir}/bpf_prog $1