From 28b8075400c70b2d2da2ce07e590c2ec6d11783d Mon Sep 17 00:00:00 2001
From: Bernard Spil <brnrd@FreeBSD.org>
Date: Mon, 2 Apr 2018 13:18:27 +0200
Subject: [PATCH] Fix build with LibreSSL 2.7

LibreSSL 2.7 implements OpenSSL 1.1 API except for BIO_get_init()

See also: https://bugs.freebsd.org/226900
Signed-off-by: Bernard Spil <brnrd@FreeBSD.org>
Closes: #617 (cherry-pick)
--- openssl-compat.h.orig	2017-01-25 23:37:15 UTC
+++ openssl-compat.h
@@ -1,7 +1,8 @@
 #ifndef OPENSSL_COMPAT_H
 #define OPENSSL_COMPAT_H
 
-#if OPENSSL_VERSION_NUMBER < 0x10100000L
+#if (OPENSSL_VERSION_NUMBER < 0x10100000L) || \
+	(defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x20700000L)
 
 static inline BIO_METHOD *BIO_meth_new(int type, const char *name)
 {
@@ -30,6 +31,11 @@ static inline BIO_METHOD *BIO_meth_new(i
 
 #define TLS_method SSLv23_method
 
-#endif /* OPENSSL_VERSION_NUMBER < 0x10100000L */
+#endif /* (OPENSSL_VERSION_NUMBER < 0x10100000L) || \
+	(defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x20700000L) */
+
+#if defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER >= 0x20700000L
+#define BIO_get_init(b) (b)->init
+#endif
 
 #endif /* OPENSSL_COMPAT_H */
--- sample/https-client.c.orig	2017-01-25 23:37:15 UTC
+++ sample/https-client.c
@@ -312,7 +312,8 @@ main(int argc, char **argv)
 	}
 	uri[sizeof(uri) - 1] = '\0';
 
-#if OPENSSL_VERSION_NUMBER < 0x10100000L
+#if (OPENSSL_VERSION_NUMBER < 0x10100000L) || \
+	(defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x20700000L)	
 	// Initialize OpenSSL
 	SSL_library_init();
 	ERR_load_crypto_strings();
@@ -480,7 +481,8 @@ cleanup:
 		SSL_CTX_free(ssl_ctx);
 	if (type == HTTP && ssl)
 		SSL_free(ssl);
-#if OPENSSL_VERSION_NUMBER < 0x10100000L
+#if (OPENSSL_VERSION_NUMBER < 0x10100000L) || \
+	(defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x20700000L)
 	EVP_cleanup();
 	ERR_free_strings();
 
@@ -492,7 +494,8 @@ cleanup:
 	CRYPTO_cleanup_all_ex_data();
 
 	sk_SSL_COMP_free(SSL_COMP_get_compression_methods());
-#endif /*OPENSSL_VERSION_NUMBER < 0x10100000L */
+#endif /* (OPENSSL_VERSION_NUMBER < 0x10100000L) || \
+	(defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x20700000L) */
 
 #ifdef _WIN32
 	WSACleanup();
--- sample/le-proxy.c.orig	2017-01-25 23:37:15 UTC
+++ sample/le-proxy.c
@@ -259,7 +259,8 @@ main(int argc, char **argv)
 
 	if (use_ssl) {
 		int r;
-#if OPENSSL_VERSION_NUMBER < 0x10100000L
+#if (OPENSSL_VERSION_NUMBER < 0x10100000L) || \
+	(defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x20700000L)
 		SSL_library_init();
 		ERR_load_crypto_strings();
 		SSL_load_error_strings();
--- sample/openssl_hostname_validation.c.orig	2017-01-25 23:37:15 UTC
+++ sample/openssl_hostname_validation.c
@@ -48,7 +48,8 @@ SOFTWARE.
 
 #define HOSTNAME_MAX_SIZE 255
 
-#if OPENSSL_VERSION_NUMBER < 0x10100000L
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || \
+	(defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x20700000L)
 #define ASN1_STRING_get0_data ASN1_STRING_data
 #endif
 
--- test/regress_ssl.c.orig	2017-01-25 23:37:15 UTC
+++ test/regress_ssl.c
@@ -186,7 +186,8 @@ get_ssl_ctx(void)
 void
 init_ssl(void)
 {
-#if OPENSSL_VERSION_NUMBER < 0x10100000L
+#if (OPENSSL_VERSION_NUMBER < 0x10100000L) || \
+	(defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x20700000L)
 	SSL_library_init();
 	ERR_load_crypto_strings();
 	SSL_load_error_strings();