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#!/usr/bin/env escript
%% -*- erlang -*-
%%! -pa lib/catlfish-0.9.0-dev.ez/catlfish-0.9.0-dev/ebin -pa lib/lager-2.1.1.ez/lager-2.1.1/ebin -pa lib/plop-0.9.0-dev.ez/plop-0.9.0-dev/ebin
write_reply(Bin) ->
Length = size(Bin),
file:write(standard_io, <<Length:32, Bin/binary>>).
verify(RootCerts, DBEntry) ->
try
case catlfish:verify_entry(tlv:decodelist(DBEntry), RootCerts) of
{ok, _MTLHash} ->
write_reply(<<0:8>>);
{error, Reason} ->
ReasonBin = list_to_binary(io_lib:format("~p", [Reason])),
write_reply(<<1:8, ReasonBin/binary>>)
end
catch
Type:What ->
[CrashFunction | Stack] = erlang:get_stacktrace(),
ErrorBin = list_to_binary(io_lib:format("Crash: ~p ~p~n~p~n~p~n", [Type, What, CrashFunction, Stack])),
write_reply(<<2:8, ErrorBin/binary>>)
end.
loop(RootCerts) ->
{ok, LengthBin} = file:read(standard_io, 4),
<<Length:32>> = list_to_binary(LengthBin),
case Length of
0 ->
none;
_ ->
{ok, DBEntry} = file:read(standard_io, Length),
verify(RootCerts, list_to_binary(DBEntry)),
loop(RootCerts)
end.
main([KnownRoots]) ->
Certs = x509:read_pemfiles_from_dir(KnownRoots),
loop(Certs).
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