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https://github.com/mirage/qubes-mirage-firewall.git
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34 lines
1.0 KiB
OCaml
34 lines
1.0 KiB
OCaml
(* Copyright (C) 2015, Thomas Leonard <thomas.leonard@unikernel.com>
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See the README file for details. *)
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(** General utility functions. *)
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(** An Ethernet interface. *)
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class type interface = object
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method my_mac : Macaddr.t
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method writev : Ethernet.Packet.proto -> (Cstruct.t -> int) -> unit Lwt.t
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method my_ip : Ipaddr.V4.t
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method other_ip : Ipaddr.V4.t
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end
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(** An Ethernet interface connected to a clientVM. *)
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class type client_link = object
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inherit interface
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method other_mac : Macaddr.t
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method log_header : string (* For log messages *)
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method get_rules: Pf_qubes.Parse_qubes.rule list
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method set_rules: string Qubes.DB.KeyMap.t -> unit
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end
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(** An Ethernet header from [src]'s MAC address to [dst]'s with an IPv4 payload. *)
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let eth_header ethertype ~src ~dst =
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Ethernet.Packet.make_cstruct { Ethernet.Packet.source = src; destination = dst; ethertype }
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let error fmt =
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let err s = Failure s in
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Printf.ksprintf err fmt
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let or_raise msg pp = function
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| Ok x -> x
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| Error e -> failwith (Fmt.str "%s: %a" msg pp e)
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