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.s/bpf")
BPF_PROG(lsm_run,int cmd,union bpf_attr * attr,unsigned int size,bool kernel)10 int BPF_PROG(lsm_run, int cmd, union bpf_attr *attr, unsigned int size, bool kernel)
11 {
12 switch (cmd) {
13 case BPF_RAW_TRACEPOINT_OPEN:
14 bpf_copy_from_user(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")
BPF_PROG(raw_tp_run)24 int BPF_PROG(raw_tp_run)
25 {
26 return 0;
27 }
28
29 char _license[] SEC("license") = "GPL";
30