diff --git a/ap/app/hostapd-2.10/src/utils/json.h b/ap/app/hostapd-2.10/src/utils/json.h
new file mode 100755
index 0000000..8448bb0
--- /dev/null
+++ b/ap/app/hostapd-2.10/src/utils/json.h
@@ -0,0 +1,57 @@
+/*
+ * JavaScript Object Notation (JSON) parser (RFC7159)
+ * Copyright (c) 2017, Qualcomm Atheros, Inc.
+ *
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
+ */
+
+#ifndef JSON_H
+#define JSON_H
+
+struct json_token {
+	enum json_type {
+		JSON_VALUE,
+		JSON_OBJECT,
+		JSON_ARRAY,
+		JSON_STRING,
+		JSON_NUMBER,
+		JSON_BOOLEAN,
+		JSON_NULL,
+	} type;
+	enum json_parsing_state {
+		JSON_EMPTY,
+		JSON_STARTED,
+		JSON_WAITING_VALUE,
+		JSON_COMPLETED,
+	} state;
+	char *name;
+	char *string;
+	int number;
+	struct json_token *parent, *child, *sibling;
+};
+
+void json_escape_string(char *txt, size_t maxlen, const char *data, size_t len);
+struct json_token * json_parse(const char *data, size_t data_len);
+void json_free(struct json_token *json);
+struct json_token * json_get_member(struct json_token *json, const char *name);
+struct wpabuf * json_get_member_base64url(struct json_token *json,
+					  const char *name);
+struct wpabuf * json_get_member_base64(struct json_token *json,
+				       const char *name);
+void json_print_tree(struct json_token *root, char *buf, size_t buflen);
+void json_add_int(struct wpabuf *json, const char *name, int val);
+void json_add_string(struct wpabuf *json, const char *name, const char *val);
+int json_add_string_escape(struct wpabuf *json, const char *name,
+			   const void *val, size_t len);
+int json_add_base64url(struct wpabuf *json, const char *name, const void *val,
+		       size_t len);
+int json_add_base64(struct wpabuf *json, const char *name, const void *val,
+		    size_t len);
+void json_start_object(struct wpabuf *json, const char *name);
+void json_end_object(struct wpabuf *json);
+void json_start_array(struct wpabuf *json, const char *name);
+void json_end_array(struct wpabuf *json);
+void json_value_sep(struct wpabuf *json);
+
+#endif /* JSON_H */