mirror of https://gitee.com/openkylin/linux.git
29 lines
544 B
C
29 lines
544 B
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright 2020 Google LLC.
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*/
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#include "vmlinux.h"
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#include <errno.h>
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#include <bpf/bpf_helpers.h>
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#include <bpf/bpf_tracing.h>
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long ima_hash_ret = -1;
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u64 ima_hash = 0;
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u32 monitored_pid = 0;
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char _license[] SEC("license") = "GPL";
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SEC("lsm.s/bprm_committed_creds")
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int BPF_PROG(ima, struct linux_binprm *bprm)
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{
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u32 pid = bpf_get_current_pid_tgid() >> 32;
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if (pid == monitored_pid)
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ima_hash_ret = bpf_ima_inode_hash(bprm->file->f_inode,
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&ima_hash, sizeof(ima_hash));
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return 0;
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}
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