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