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