Imported Upstream version 5.1.1

1 files changed, 55 insertions, 0 deletions

diff --git a/src/libpts/swid/swid_error.c b/src/libpts/swid/swid_error.c
new file mode 100644
index 000000000..7f7da7688
--- /dev/null
+++ b/src/libpts/swid/swid_error.c
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2011 Sansar Choinyambuu
+ * HSR Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+
+#include "swid_error.h"
+
+#include <bio/bio_writer.h>
+#include <ietf/ietf_attr_pa_tnc_error.h>
+
+ENUM(swid_error_code_names, TCG_SWID_ERROR, TCG_SWID_RESPONSE_TOO_LARGE,
+	"SWID Error",
+	"SWID Subscription Denied",
+	"SWID Response Too Large"
+);
+
+/**
+ * Described in header.
+ */
+pa_tnc_attr_t* swid_error_create(swid_error_code_t code, u_int32_t request_id,
+								 u_int32_t max_attr_size, char *description)
+{
+	bio_writer_t *writer;
+	chunk_t msg_info;
+	pa_tnc_attr_t *attr;
+	pen_type_t error_code;
+
+	error_code = pen_type_create( PEN_TCG, code);
+	writer = bio_writer_create(4);
+	writer->write_uint32(writer, request_id);
+	if (code == TCG_SWID_RESPONSE_TOO_LARGE)
+	{
+		writer->write_uint16(writer, max_attr_size);
+	}
+	if (description)
+	{
+		writer->write_data(writer, chunk_from_str(description));
+	}
+	msg_info = writer->get_buf(writer);
+	attr = ietf_attr_pa_tnc_error_create(error_code, msg_info);
+	writer->destroy(writer);
+
+	return attr;
+}
+