Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
selftests/bpf: Move sample generation code to ima_test_common()
Move sample generator code to ima_test_common() so that the new function
can be called by multiple LSM hooks.
Signed-off-by: Roberto Sassu <roberto.sassu@huawei.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20220302111404.193900-5-roberto.sassu@huawei.com
authored by
Roberto Sassu
and committed by
Alexei Starovoitov
2746de3c
174b1694
+8
-3
+8
-3
tools/testing/selftests/bpf/progs/ima.c
+8
-3
tools/testing/selftests/bpf/progs/ima.c
···
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char _license[] SEC("license") = "GPL";
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-
SEC("lsm.s/bprm_committed_creds")
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void BPF_PROG(ima, struct linux_binprm *bprm)
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static void ima_test_common(struct file *file)
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{
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u64 ima_hash = 0;
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u64 *sample;
···
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pid = bpf_get_current_pid_tgid() >> 32;
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if (pid == monitored_pid) {
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ret = bpf_ima_inode_hash(bprm->file->f_inode, &ima_hash,
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ret = bpf_ima_inode_hash(file->f_inode, &ima_hash,
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sizeof(ima_hash));
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if (ret < 0 || ima_hash == 0)
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return;
···
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}
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return;
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}
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+
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SEC("lsm.s/bprm_committed_creds")
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void BPF_PROG(bprm_committed_creds, struct linux_binprm *bprm)
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{
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ima_test_common(bprm->file);
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}