From 8acea82288b1e099c03faaaa2c9ec7b0ae27ecd1 Mon Sep 17 00:00:00 2001
From: kubistika <kmizrachi18@gmail.com>
Date: Tue, 16 Jul 2019 13:26:26 +0300
Subject: [PATCH] libfreerdp: certificate: Add key_clone

---
 libfreerdp/core/certificate.c | 38 ++++++++++++++++++++++++++++++++++++++
 libfreerdp/core/certificate.h |  1 +
 2 files changed, 39 insertions(+)

diff --git a/libfreerdp/core/certificate.c b/libfreerdp/core/certificate.c
index 4b4d1cb..9139856 100644
--- a/libfreerdp/core/certificate.c
+++ b/libfreerdp/core/certificate.c
@@ -826,6 +826,44 @@ out_free:
 	return NULL;
 }
 
+rdpRsaKey* key_clone(const rdpRsaKey* key)
+{
+	rdpRsaKey* _key = (rdpRsaKey*) calloc(1, sizeof(rdpRsaKey));
+
+	if (!_key)
+		return NULL;
+
+	CopyMemory(_key, key, sizeof(rdpRsaKey));
+
+	if (key->Modulus)
+	{
+		_key->Modulus = (BYTE*) malloc(key->ModulusLength);
+
+		if (!_key->Modulus)
+			goto out_fail;
+
+		CopyMemory(_key->Modulus, key->Modulus, key->ModulusLength);
+	}
+
+	if (key->PrivateExponent)
+	{
+		_key->PrivateExponent = (BYTE*) malloc(key->PrivateExponentLength);
+
+		if (!_key->PrivateExponent)
+			goto out_fail;
+
+		CopyMemory(_key->PrivateExponent, key->PrivateExponent, key->PrivateExponentLength);
+	}
+
+	return _key;
+out_fail:
+	free(_key->Modulus);
+	free(_key->PrivateExponent);
+	free(_key);
+	return NULL;
+}
+
+
 void key_free(rdpRsaKey* key)
 {
 	if (!key)
diff --git a/libfreerdp/core/certificate.h b/libfreerdp/core/certificate.h
index c5dd4ee..ece4fbe 100644
--- a/libfreerdp/core/certificate.h
+++ b/libfreerdp/core/certificate.h
@@ -57,6 +57,7 @@ FREERDP_LOCAL rdpRsaKey* key_new(const char* keyfile);
 FREERDP_LOCAL rdpRsaKey* key_new_from_content(const char* keycontent,
         const char* keyfile);
 FREERDP_LOCAL void key_free(rdpRsaKey* key);
+FREERDP_LOCAL rdpRsaKey* key_clone(const rdpRsaKey* key);
 
 #define CERTIFICATE_TAG FREERDP_TAG("core.certificate")
 #ifdef WITH_DEBUG_CERTIFICATE
-- 
2.7.4