1 files changed, 87 insertions, 0 deletions
diff --git a/lib/dns/openssl_shim.h b/lib/dns/openssl_shim.h
new file mode 100644
index 0000000..439d9f9
--- /dev/null
+++ b/lib/dns/openssl_shim.h
@@ -0,0 +1,87 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+#pragma once
+
+#include <openssl/bn.h>
+#include <openssl/dh.h>
+#include <openssl/ecdsa.h>
+#include <openssl/err.h>
+#include <openssl/opensslv.h>
+#include <openssl/rsa.h>
+
+/*
+ * Limit the size of public exponents.
+ */
+#ifndef RSA_MAX_PUBEXP_BITS
+#define RSA_MAX_PUBEXP_BITS 35
+#endif /* ifndef RSA_MAX_PUBEXP_BITS */
+
+#if !HAVE_RSA_SET0_KEY && OPENSSL_VERSION_NUMBER < 0x30000000L
+int
+RSA_set0_key(RSA *r, BIGNUM *n, BIGNUM *e, BIGNUM *d);
+
+int
+RSA_set0_factors(RSA *r, BIGNUM *p, BIGNUM *q);
+
+int
+RSA_set0_crt_params(RSA *r, BIGNUM *dmp1, BIGNUM *dmq1, BIGNUM *iqmp);
+
+void
+RSA_get0_key(const RSA *r, const BIGNUM **n, const BIGNUM **e,
+	     const BIGNUM **d);
+
+void
+RSA_get0_factors(const RSA *r, const BIGNUM **p, const BIGNUM **q);
+
+void
+RSA_get0_crt_params(const RSA *r, const BIGNUM **dmp1, const BIGNUM **dmq1,
+		    const BIGNUM **iqmp);
+
+int
+RSA_test_flags(const RSA *r, int flags);
+#endif /* !HAVE_RSA_SET0_KEY && OPENSSL_VERSION_NUMBER < 0x30000000L */
+
+#if !HAVE_ECDSA_SIG_GET0
+void
+ECDSA_SIG_get0(const ECDSA_SIG *sig, const BIGNUM **pr, const BIGNUM **ps);
+
+int
+ECDSA_SIG_set0(ECDSA_SIG *sig, BIGNUM *r, BIGNUM *s);
+#endif /* !HAVE_ECDSA_SIG_GET0 */
+
+#if !HAVE_DH_GET0_KEY
+void
+DH_get0_key(const DH *dh, const BIGNUM **pub_key, const BIGNUM **priv_key);
+
+int
+DH_set0_key(DH *dh, BIGNUM *pub_key, BIGNUM *priv_key);
+
+void
+DH_get0_pqg(const DH *dh, const BIGNUM **p, const BIGNUM **q, const BIGNUM **g);
+
+int
+DH_set0_pqg(DH *dh, BIGNUM *p, BIGNUM *q, BIGNUM *g);
+
+#define DH_clear_flags(d, f) ((d)->flags &= ~(f))
+#endif /* !HAVE_DH_GET0_KEY */
+
+#if !HAVE_ERR_GET_ERROR_ALL
+unsigned long
+ERR_get_error_all(const char **file, int *line, const char **func,
+		  const char **data, int *flags);
+#endif /* if !HAVE_ERR_GET_ERROR_ALL */
+
+#if !HAVE_EVP_PKEY_EQ
+#define EVP_PKEY_eq EVP_PKEY_cmp
+#endif