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From 226cd96bfd384a40b3ab6b6dafb97f6e399524f4 Mon Sep 17 00:00:00 2001
From: Alon Bar-Lev <alon.barlev@gmail.com>
Date: Fri, 22 Jun 2018 22:21:03 +0300
Subject: [PATCH] build: support >=libressl-2.7

https://github.com/OpenSC/OpenSC/pull/1406

---
 src/libopensc/sc-ossl-compat.h | 19 +++++++++++++------
 src/tools/sc-hsm-tool.c        |  2 +-
 2 files changed, 14 insertions(+), 7 deletions(-)

diff --git a/src/libopensc/sc-ossl-compat.h b/src/libopensc/sc-ossl-compat.h
index a94d9564..d9e087a3 100644
--- a/src/libopensc/sc-ossl-compat.h
+++ b/src/libopensc/sc-ossl-compat.h
@@ -90,17 +90,24 @@ extern "C" {
 
 #if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
 #define RSA_PKCS1_OpenSSL		RSA_PKCS1_SSLeay
-#define OPENSSL_malloc_init		CRYPTO_malloc_init
 
-#define EVP_PKEY_get0_RSA(x)		(x->pkey.rsa)
-#define EVP_PKEY_get0_DSA(x)		(x->pkey.dsa)
 #define X509_get_extension_flags(x)	(x->ex_flags)
 #define X509_get_key_usage(x)		(x->ex_kusage)
 #define X509_get_extended_key_usage(x)	(x->ex_xkusage)
-#define EVP_PKEY_up_ref(user_key)	CRYPTO_add(&user_key->references, 1, CRYPTO_LOCK_EVP_PKEY)
 #if !defined(LIBRESSL_VERSION_NUMBER) || LIBRESSL_VERSION_NUMBER < 0x2050300fL
 #define X509_up_ref(cert)		CRYPTO_add(&cert->references, 1, CRYPTO_LOCK_X509)
 #endif
+#if !defined(LIBRESSL_VERSION_NUMBER) || LIBRESSL_VERSION_NUMBER < 0x20700000L
+#define OPENSSL_malloc_init		CRYPTO_malloc_init
+#define EVP_PKEY_get0_RSA(x)		(x->pkey.rsa)
+#define EVP_PKEY_get0_DSA(x)		(x->pkey.dsa)
+#define EVP_PKEY_up_ref(user_key)	CRYPTO_add(&user_key->references, 1, CRYPTO_LOCK_EVP_PKEY)
+#endif
+#endif
+
+/* workaround unused value warning for a macro that does nothing */
+#if defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER >= 0x20700000L
+#define OPENSSL_malloc_init()
 #endif
 
 /*
@@ -110,7 +117,7 @@ extern "C" {
  * If that is not good enough, versions could be added to libopensc
  */
 
-#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || (defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x20700000L)
 /* based on OpenSSL-1.1.0 e_os2.h */
 /* sc_ossl_inline: portable inline definition usable in public headers */
 # if !defined(inline) && !defined(__cplusplus)
@@ -129,7 +136,7 @@ extern "C" {
 # endif
 #endif
 
-#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || (defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x2050300fL)
 
 #define RSA_bits(R) (BN_num_bits(R->n))
 
diff --git a/src/tools/sc-hsm-tool.c b/src/tools/sc-hsm-tool.c
index 823eb217..307bad25 100644
--- a/src/tools/sc-hsm-tool.c
+++ b/src/tools/sc-hsm-tool.c
@@ -1761,7 +1761,7 @@ int main(int argc, char *argv[])
 		}
 	}
 
-#if OPENSSL_VERSION_NUMBER >= 0x10100000L && !(defined LIBRESSL_VERSION_NUMBER)
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L || (defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER >= 0x20700000L)
 	OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS
 		| OPENSSL_INIT_ADD_ALL_CIPHERS
 		| OPENSSL_INIT_ADD_ALL_DIGESTS,
-- 
2.16.4