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selftests/bpf: Move sample generation code to ima_test_common()

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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
This commit is contained in:
Roberto Sassu 2022-03-02 12:13:59 +01:00 committed by Alexei Starovoitov
parent 174b16946e
commit 2746de3c53
1 changed files with 8 additions and 3 deletions
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11
tools/testing/selftests/bpf/progs/ima.c
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@ -18,8 +18,7 @@ struct {
char _license[] SEC("license") = "GPL";
SEC("lsm.s/bprm_committed_creds")
void BPF_PROG(ima, struct linux_binprm *bprm)
static void ima_test_common(struct file *file)
{
u64 ima_hash = 0;
u64 *sample;
@ -28,7 +27,7 @@ void BPF_PROG(ima, struct linux_binprm *bprm)
pid = bpf_get_current_pid_tgid() >> 32;
if (pid == monitored_pid) {
ret = bpf_ima_inode_hash(bprm->file->f_inode, &ima_hash,
ret = bpf_ima_inode_hash(file->f_inode, &ima_hash,
sizeof(ima_hash));
if (ret < 0 || ima_hash == 0)
return;
@ -43,3 +42,9 @@ void BPF_PROG(ima, struct linux_binprm *bprm)
return;
}
SEC("lsm.s/bprm_committed_creds")
void BPF_PROG(bprm_committed_creds, struct linux_binprm *bprm)
{
ima_test_common(bprm->file);
}