1 files changed, 71 insertions, 0 deletions
diff --git a/lib/dns/dst_openssl.h b/lib/dns/dst_openssl.h
new file mode 100644
index 0000000..e085f11
--- /dev/null
+++ b/lib/dns/dst_openssl.h
@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * 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 http://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+#ifndef DST_OPENSSL_H
+#define DST_OPENSSL_H 1
+
+#include <isc/lang.h>
+#include <isc/log.h>
+#include <isc/result.h>
+
+#include <openssl/err.h>
+#include <openssl/rand.h>
+#include <openssl/evp.h>
+#include <openssl/conf.h>
+#include <openssl/crypto.h>
+#include <openssl/bn.h>
+
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
+/*
+ * These are new in OpenSSL 1.1.0.  BN_GENCB _cb needs to be declared in
+ * the function like this before the BN_GENCB_new call:
+ *
+ * #if OPENSSL_VERSION_NUMBER < 0x10100000L
+ *     	 _cb;
+ * #endif
+ */
+#define BN_GENCB_free(x) ((void)0)
+#define BN_GENCB_new() (&_cb)
+#define BN_GENCB_get_arg(x) ((x)->arg)
+#endif
+
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
+/*
+ * EVP_dss1() is a version of EVP_sha1() that was needed prior to
+ * 1.1.0 because there was a link between digests and signing algorithms;
+ * the link has been eliminated and EVP_sha1() can be used now instead.
+ */
+#define EVP_dss1 EVP_sha1
+#endif
+
+ISC_LANG_BEGINDECLS
+
+isc_result_t
+dst__openssl_toresult(isc_result_t fallback);
+
+isc_result_t
+dst__openssl_toresult2(const char *funcname, isc_result_t fallback);
+
+isc_result_t
+dst__openssl_toresult3(isc_logcategory_t *category,
+		       const char *funcname, isc_result_t fallback);
+
+#if !defined(OPENSSL_NO_ENGINE)
+ENGINE *
+dst__openssl_getengine(const char *engine);
+#else
+#define dst__openssl_getengine(x) NULL
+#endif
+
+ISC_LANG_ENDDECLS
+
+#endif /* DST_OPENSSL_H */
+/*! \file */