-defining IPC messages for VPN

1 files changed, 115 insertions, 0 deletions

diff --git a/src/vpn/vpn.h b/src/vpn/vpn.h
index da7fa6eb8..90bcdaa61 100644
--- a/src/vpn/vpn.h
+++ b/src/vpn/vpn.h
@@ -28,8 +28,123 @@
 
 #include "gnunet_util_lib.h"
 
+/**
+ * Message send by the VPN client to the VPN service requesting
+ * the setup of a redirection from some IP via an exit node to
+ * some global Internet address.
+ */
+struct RedirectToIpRequestMessage
+{
+  /**
+   * Type is  GNUNET_MESSAGE_TYPE_VPN_CLIENT_REDIRECT_TO_IP
+   */
+  struct GNUNET_MessageHeader header;
+
+  /**
+   * GNUNET_YES to notify only after completion of the mesh-level connection,
+   * GNUNET_NO to notify as soon as an address was allocated (in nbo).
+   */
+  int32_t nac;
+  
+  /**
+   * How long should the redirection be maintained at most?
+   */
+  struct GNUNET_TIME_AbsoluteNBO expiration_time;
+
+  /**
+   * Address family desired for the result (AF_INET or AF_INET6 or AF_UNSPEC, in nbo)
+   */
+  int32_t result_af;
+
+  /**
+   * Address family used for the destination address (AF_INET or AF_INET6, in nbo)
+   */
+  int32_t addr_af;
+
+  /**
+   * Unique ID to match a future response to this request.
+   * Picked by the client.
+   */
+  uint64_t request_id;
+
+  /* followed by destination address ('struct in_addr' or 'struct in6_addr') */
+  
+};
+
+
+/**
+ * Message send by the VPN client to the VPN service requesting
+ * the setup of a redirection from some IP to a service running
+ * at a particular peer.
+ */
+struct RedirectToServiceRequestMessage
+{
+  /**
+   * Type is  GNUNET_MESSAGE_TYPE_VPN_CLIENT_REDIRECT_TO_IP
+   */
+  struct GNUNET_MessageHeader header;
+
+  /**
+   * GNUNET_YES to notify only after completion of the mesh-level connection,
+   * GNUNET_NO to notify as soon as an address was allocated (in nbo).
+   */
+  int32_t nac;
+  
+  /**
+   * How long should the redirection be maintained at most?
+   */
+  struct GNUNET_TIME_AbsoluteNBO expiration_time;
+
+  /**
+   * Desired protocol (IPPROTO_UDP or IPPROTO_TCP)
+   */
+  int32_t protocol;
+  
+  /**
+   * Address family desired for the result (AF_INET or AF_INET6 or AF_UNSPEC, in nbo)
+   */
+  int32_t result_af;
+
+  /**
+   * Target peer offering the service.
+   */
+  struct GNUNET_PeerIdentity target;
+
+  /**
+   * Service descriptor identifying the service.
+   */
+  struct GNUNET_PeerIdentity desc;
+
+  /**
+   * Unique ID to match a future response to this request.
+   * Picked by the client.
+   */
+  uint64_t request_id;
+
+};
+
+
+/**
+ * Response from the VPN service to a VPN client informing about
+ * the IP that was assigned for the requested redirection.
+ */
+struct RedirectToIpResponseMessage
+{
+  
+  /**
+   * Type is  GNUNET_MESSAGE_TYPE_VPN_CLIENT_REDIRECT_TO_IP
+   */
+  struct GNUNET_MessageHeader header;
 
+  /**
+   * Address family of the allocated address that follows; will match
+   * "result_af" from the request, of be "AF_UNSPEC" on errors.
+   */
+  int32_t result_af;
 
+  /* followed by destination address ('struct in_addr' or 'struct in6_addr') */
+  
+};
 
 
 #endif