1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright (C) 2023 Yafang Shao <laoar.shao@gmail.com> */
3 
4 #include "vmlinux.h"
5 #include <bpf/bpf_tracing.h>
6 
7 char tp_name[128];
8 
9 SEC("lsm/bpf")
10 int BPF_PROG(lsm_run, int cmd, union bpf_attr *attr, unsigned int size)
11 {
12 	switch (cmd) {
13 	case BPF_RAW_TRACEPOINT_OPEN:
14 		bpf_probe_read_user_str(tp_name, sizeof(tp_name) - 1,
15 					(void *)attr->raw_tracepoint.name);
16 		break;
17 	default:
18 		break;
19 	}
20 	return 0;
21 }
22 
23 SEC("raw_tracepoint")
24 int BPF_PROG(raw_tp_run)
25 {
26 	return 0;
27 }
28 
29 char _license[] SEC("license") = "GPL";
30