RPKI protocol with one cache server per protocol

The RPKI protocol (RFC 6810) using the RTRLib
(http://rpki.realmv6.org/) that is integrated inside
the BIRD's code.

Implemeted transports are:
 - unprotected transport over TCP
 - secure transport over SSHv2

Example configuration of bird.conf:
  ...
  roa4 table r4;
  roa6 table r6;

  protocol rpki {
    debug all;

    # Import both IPv4 and IPv6 ROAs
    roa4 { table r4; };
    roa6 { table r6; };

    # Set cache server (validator) address,
    # overwrite default port 323
    remote "rpki-validator.realmv6.org" port 8282;

    # Overwrite default time intervals
    retry   10;         # Default 600 seconds
    refresh 60;         # Default 3600 seconds
    expire 600;         # Default 7200 seconds
  }

  protocol rpki {
    debug all;

    # Import only IPv4 routes
    roa4 { table r4; };

    # Set cache server address to localhost,
    # use default ports tcp => 323 or ssh => 22
    remote 127.0.0.1;

    # Use SSH transport instead of unprotected transport over TCP
    ssh encryption {
      bird private key "/home/birdgeek/.ssh/id_rsa";
      remote public key "/home/birdgeek/.ssh/known_hosts";
      user "birdgeek";
    };
  }
  ...

1 files changed, 45 insertions, 0 deletions

diff --git a/proto/rpki/packets.h b/proto/rpki/packets.h
new file mode 100644
index 00000000..d2b180bd
--- /dev/null
+++ b/proto/rpki/packets.h
@@ -0,0 +1,45 @@
+/*
+ *	BIRD -- The Resource Public Key Infrastructure (RPKI) to Router Protocol
+ *
+ *	(c) 2015 CZ.NIC
+ *	(c) 2015 Pavel Tvrdik <pawel.tvrdik@gmail.com>
+ *
+ *	This file was a part of RTRlib: http://rpki.realmv6.org/
+ *
+ *	Can be freely distributed and used under the terms of the GNU GPL.
+ */
+
+#ifndef _BIRD_RPKI_PACKETS_H_
+#define _BIRD_RPKI_PACKETS_H_
+
+#include <arpa/inet.h>
+
+#define RPKI_PDU_HEADER_LEN 	8
+
+/* A Error PDU size is the biggest (has encapsulate PDU inside):
+ * 	   +8 bytes (Header size)
+ * 	   +4 bytes (Length of Encapsulated PDU)
+ * 	  +32 bytes (Encapsulated PDU IPv6 32)
+ * 	   +4 bytes (Length of inserted text)
+ * 	 +800 bytes (UTF-8 text 400*2 bytes)
+ * 	------------
+ * 	= 848 bytes (Maximal expected PDU size) */
+#define RPKI_PDU_MAX_LEN	848
+
+/* RX buffer size has a great impact to scheduler granularity */
+#define RPKI_RX_BUFFER_SIZE	4096
+#define RPKI_TX_BUFFER_SIZE	RPKI_PDU_MAX_LEN
+
+/* Return values */
+enum rpki_rtvals {
+  RPKI_SUCCESS 			= 0,
+  RPKI_ERROR 			= -1
+};
+
+int rpki_send_serial_query(struct rpki_cache *cache);
+int rpki_send_reset_query(struct rpki_cache *cache);
+int rpki_rx_hook(sock *sk, int size);
+void rpki_connected_hook(sock *sk);
+void rpki_err_hook(sock *sk, int size);
+
+#endif