Added LibreSSL detection

Signed-off-by: Matías Fonzo <selk@dragora.org>
(cherry picked from commit 9cd1493c36)

qca-tls.cpp

@@ -57,7 +57,7 @@ static bool lib_generateKeyIV(const EVP_CIPHER *_type, const TQByteArray &data,
 	TQByteArray k, i;
 	unsigned char *kp = 0;
 	unsigned char *ip = 0;
-#if OPENSSL_VERSION_NUMBER < 0x10100000L
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
 	EVP_CIPHER type = *_type;
 	EVP_CIPHER *loctype = &type;
 	if(keysize != -1)
@@ -75,7 +75,7 @@ static bool lib_generateKeyIV(const EVP_CIPHER *_type, const TQByteArray &data,
 		ip = (unsigned char *)i.data();
 	}
 	int res = EVP_BytesToKey(loctype, EVP_sha1(), (unsigned char *)salt.data(), (unsigned char *)data.data(), data.size(), 1, kp, ip);
-#if OPENSSL_VERSION_NUMBER >= 0x10100000L
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L && !defined(LIBRESSL_VERSION_NUMBER)
 	EVP_CIPHER_meth_free(loctype);
 #endif
 	if (!res)
@@ -187,7 +187,7 @@ public:
 	virtual ~EVPCipherContext()
 	{
 		if(type) {
-#if OPENSSL_VERSION_NUMBER < 0x10100000L
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
 			EVP_CIPHER_CTX_cleanup(c);
 			OPENSSL_free(c);
 #else
@@ -234,7 +234,7 @@ public:
 		pad = _pad;
 		type = getType(mode);
 		r.resize(0);
-#if OPENSSL_VERSION_NUMBER < 0x10100000L
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
 		c = (EVP_CIPHER_CTX*)OPENSSL_malloc(sizeof(EVP_CIPHER_CTX));
 		EVP_CIPHER_CTX_init(c);
 #else
@@ -283,11 +283,11 @@ public:
 			TQByteArray result(EVP_CIPHER_block_size(type));
 			int olen;
 			if(dir == TQCA::Encrypt) {
-				if(!EVP_EncryptFinal(c, (unsigned char *)result.data(), &olen))
+				if(!EVP_EncryptFinal_ex(c, (unsigned char *)result.data(), &olen))
 					return false;
 			}
 			else {
-				if(!EVP_DecryptFinal(c, (unsigned char *)result.data(), &olen))
+				if(!EVP_DecryptFinal_ex(c, (unsigned char *)result.data(), &olen))
 					return false;
 			}
 			result.resize(olen);