1 files changed, 61 insertions, 0 deletions
diff --git a/contrib/librdns/packet.h b/contrib/librdns/packet.h
new file mode 100644
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+++ b/contrib/librdns/packet.h
@@ -0,0 +1,61 @@
+/* Copyright (c) 2014, Vsevolod Stakhov
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *       * Redistributions of source code must retain the above copyright
+ *         notice, this list of conditions and the following disclaimer.
+ *       * Redistributions in binary form must reproduce the above copyright
+ *         notice, this list of conditions and the following disclaimer in the
+ *         documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED ''AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL AUTHOR BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef PACKET_H_
+#define PACKET_H_
+
+#include <stdbool.h>
+#include <stdint.h>
+#include "dns_private.h"
+
+struct kh_rdns_compression_hash_s;
+
+/**
+ * Allocate dns packet suitable to handle up to `namelen` name
+ * @param req request
+ * @param namelen requested name
+ */
+void rdns_allocate_packet (struct rdns_request* req, unsigned int namelen);
+
+/**
+ * Add basic header to the dns packet
+ * @param req
+ */
+void rdns_make_dns_header (struct rdns_request *req, unsigned int qcount);
+
+
+/**
+ * Add a resource record to the DNS packet
+ * @param req request
+ * @param name requested name
+ * @param type type of resource record
+ */
+bool rdns_add_rr (struct rdns_request *req, const char *name, unsigned int len,
+		enum dns_type type, struct kh_rdns_compression_hash_s **comp);
+
+/**
+ * Add EDNS0 section
+ * @param req
+ */
+bool rdns_add_edns0 (struct rdns_request *req);
+
+#endif /* PACKET_H_ */