NULL string argument is treated as %any

src/libstrongswan/utils/identification.c

@@ -829,6 +829,9 @@ identification_t *identification_create_from_string(char *string)
 {
 	private_identification_t *this = identification_create();
 
+	if (string == NULL)
+		string = "%any";
+	
 	if (strchr(string, '=') != NULL)
 	{
 		/* we interpret this as an ASCII X.501 ID_DER_ASN1_DN.