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31 lines
738 B
C
31 lines
738 B
C
// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
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/* Copyright (c) 2021 Sartura */
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#include "vmlinux.h"
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#include <bpf/bpf_helpers.h>
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#include <bpf/bpf_tracing.h>
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#include <bpf/bpf_core_read.h>
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char LICENSE[] SEC("license") = "Dual BSD/GPL";
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SEC("kprobe/do_unlinkat")
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int BPF_KPROBE(do_unlinkat, int dfd, struct filename *name)
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{
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pid_t pid;
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const char *filename;
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pid = bpf_get_current_pid_tgid() >> 32;
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filename = BPF_CORE_READ(name, name);
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bpf_printk("KPROBE ENTRY pid = %d, filename = %s\n", pid, filename);
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return 0;
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}
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SEC("kretprobe/do_unlinkat")
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int BPF_KRETPROBE(do_unlinkat_exit, long ret)
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{
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pid_t pid;
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pid = bpf_get_current_pid_tgid() >> 32;
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bpf_printk("KPROBE EXIT: pid = %d, ret = %ld\n", pid, ret);
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return 0;
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}
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