35 lines
706 B
C
35 lines
706 B
C
// SPDX-License-Identifier: GPL-2.0
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/* Copyright (C) 2025 Google LLC. */
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#include <linux/bpf.h>
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#include <time.h>
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#include <bpf/bpf_helpers.h>
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#include "bpf_misc.h"
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struct {
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__uint(type, BPF_MAP_TYPE_ARRAY);
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__type(key, __u32);
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__type(value, __u32);
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__uint(max_entries, 1);
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} excl_map SEC(".maps");
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char _license[] SEC("license") = "GPL";
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SEC("?fentry.s/" SYS_PREFIX "sys_getpgid")
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int should_have_access(void *ctx)
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{
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int key = 0, value = 0xdeadbeef;
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bpf_map_update_elem(&excl_map, &key, &value, 0);
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return 0;
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}
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SEC("?fentry.s/" SYS_PREFIX "sys_getpgid")
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int should_not_have_access(void *ctx)
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{
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int key = 0, value = 0xdeadbeef;
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bpf_map_update_elem(&excl_map, &key, &value, 0);
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return 0;
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}
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