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// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2023 Meta Platforms, Inc. and affiliates. */
#include "vmlinux.h"
#include <bpf/bpf_helpers.h>
#include <bpf/bpf_tracing.h>
#include "bpf_misc.h"
#include "bpf_kfuncs.h"
#include "crypto_common.h"
int status;
SEC("syscall")
int crypto_release(void *ctx)
{
struct bpf_crypto_params params = {
.type = "skcipher",
.algo = "ecb(aes)",
.key_len = 16,
};
struct bpf_crypto_ctx *cctx;
int err = 0;
status = 0;
cctx = bpf_crypto_ctx_create(¶ms, sizeof(params), &err);
if (!cctx) {
status = err;
return 0;
}
bpf_crypto_ctx_release(cctx);
return 0;
}
SEC("syscall")
__failure __msg("Unreleased reference")
int crypto_acquire(void *ctx)
{
struct bpf_crypto_params params = {
.type = "skcipher",
.algo = "ecb(aes)",
.key_len = 16,
};
struct bpf_crypto_ctx *cctx;
int err = 0;
status = 0;
cctx = bpf_crypto_ctx_create(¶ms, sizeof(params), &err);
if (!cctx) {
status = err;
return 0;
}
cctx = bpf_crypto_ctx_acquire(cctx);
if (!cctx)
return -EINVAL;
bpf_crypto_ctx_release(cctx);
return 0;
}
char __license[] SEC("license") = "GPL";
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