summaryrefslogtreecommitdiff
path: root/verifycert.erl
diff options
context:
space:
mode:
authorMagnus Ahltorp <map@kth.se>2015-04-06 03:14:58 +0200
committerMagnus Ahltorp <map@kth.se>2015-04-07 15:30:37 +0200
commit613e50c433a23aa1282453108859c8e590917729 (patch)
tree715e060044454e9a473a395b303682b37b1d6031 /verifycert.erl
parentf8a36b4a27a976d56448a884b36b4ac2534f09f6 (diff)
Verify that database entry actually contains the certificate
Diffstat (limited to 'verifycert.erl')
-rwxr-xr-xverifycert.erl41
1 files changed, 41 insertions, 0 deletions
diff --git a/verifycert.erl b/verifycert.erl
new file mode 100755
index 0000000..e501d6d
--- /dev/null
+++ b/verifycert.erl
@@ -0,0 +1,41 @@
+#!/usr/bin/env escript
+%% -*- erlang -*-
+%%! -pa ebin -pa lib/catlfish-0.2.0-dev.ez/catlfish-0.2.0-dev/ebin -pa lib/lager-2.1.1.ez/lager-2.1.1/ebin
+
+write_reply(Bin) ->
+ Length = size(Bin),
+ file:write(standard_io, <<Length:32, Bin/binary>>).
+
+verify(Certs, DBEntry) ->
+ try
+ Chain = catlfish:chain_from_entry(DBEntry),
+ %% XXX: doesn't verify that MTL is derived from Chain
+ case x509:normalise_chain(Certs, Chain) of
+ {ok, _} ->
+ 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(Certs) ->
+ {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(Certs, list_to_binary(DBEntry)),
+ loop(Certs)
+ end.
+
+main(_) ->
+ Certs = x509:read_pemfiles_from_dir("tests/known_roots/"),
+ loop(Certs).