lua-symmetric

commit 7033c7ab53f3151a01ead269b25a5ad37aa1aa05
parent 63e954437fe11575d32ad0c17cc6c92c6c31ab6b
Author: Michael Savage <mikejsavage@gmail.com>
Date:   Wed, 18 Mar 2015 08:22:21 +0000

Check for malloc failure in symmetric.decrypt

Diffstat:
src/main.c
 | 
5
+++++

1 file changed, 5 insertions(+), 0 deletions(-)
diff --git a/src/main.c b/src/main.c
@@ -91,6 +91,11 @@ static int luasymmetric_decrypt( lua_State * const L ) {
 	const size_t message_len = ciphertext_len - crypto_secretbox_NONCEBYTES - crypto_secretbox_MACBYTES;
 	char * const message = malloc( message_len );
 
+	if( message == NULL ) {
+		lua_pushliteral( L, "out of memory" );
+		return lua_error( L );
+	}
+
 	const int ok = crypto_secretbox_open_easy( message,
 		ciphertext + crypto_secretbox_NONCEBYTES, ciphertext_len - crypto_secretbox_NONCEBYTES,
 		ciphertext, key );