30 lines
548 B
C
30 lines
548 B
C
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// SPDX-License-Identifier: GPL-2.0
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/* Copyright (C) 2023 Yafang Shao <laoar.shao@gmail.com> */
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#include "vmlinux.h"
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#include <bpf/bpf_tracing.h>
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char tp_name[128];
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SEC("lsm.s/bpf")
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int BPF_PROG(lsm_run, int cmd, union bpf_attr *attr, unsigned int size)
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{
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switch (cmd) {
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case BPF_RAW_TRACEPOINT_OPEN:
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bpf_copy_from_user(tp_name, sizeof(tp_name) - 1,
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(void *)attr->raw_tracepoint.name);
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break;
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default:
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break;
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}
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return 0;
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}
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SEC("raw_tracepoint")
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int BPF_PROG(raw_tp_run)
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{
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return 0;
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}
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char _license[] SEC("license") = "GPL";
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