From e338b7c1ab2b6d39bf9d57c85f789279abd0a1ca Mon Sep 17 00:00:00 2001
From: Frank Morgner <morgner@informatik.hu-berlin.de>
Date: Thu, 30 Apr 2015 06:46:31 +0200
Subject: [PATCH] framework-pkcs15: fixed memory leak when encoding pubkey

---
 src/pkcs11/framework-pkcs15.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/pkcs11/framework-pkcs15.c b/src/pkcs11/framework-pkcs15.c
index d841fceb..daf9bcec 100644
--- a/src/pkcs11/framework-pkcs15.c
+++ b/src/pkcs11/framework-pkcs15.c
@@ -3972,7 +3972,17 @@ pkcs15_pubkey_get_attribute(struct sc_pkcs11_session *session, void *object, CK_
 			if (sc_pkcs15_encode_pubkey(context, pubkey->pub_data, &value, &len))
 				return sc_to_cryptoki_error(SC_ERROR_INTERNAL, "C_GetAttributeValue");
 
-			check_attribute_buffer(attr, len);
+			if (attr->pValue == NULL_PTR) {
+				attr->ulValueLen = len;
+				free(value);
+				return CKR_OK;
+			}
+			if (attr->ulValueLen < len) {
+				attr->ulValueLen = len;
+				free(value);
+				return CKR_BUFFER_TOO_SMALL;
+			}
+			attr->ulValueLen = len;
 			memcpy(attr->pValue, value, len);
 
 			free(value);