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
 7char tp_name[128];
 8
 9SEC("lsm.s/bpf")
10int 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_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
23SEC("raw_tracepoint")
24int BPF_PROG(raw_tp_run)
25{
26	return 0;
27}
28
29char _license[] SEC("license") = "GPL";

 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
 7char tp_name[128];
 8
 9SEC("lsm/bpf")
10int 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
23SEC("raw_tracepoint")
24int BPF_PROG(raw_tp_run)
25{
26	return 0;
27}
28
29char _license[] SEC("license") = "GPL";