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Return status 431 if the request header field is too large

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This commit changes Cowboy to follow RFC6585.
This commit is contained in:
José Valim 2016-12-16 13:13:15 +01:00 • committed by Loïc Hoguin
parent 1048bff929
commit f59c29dff0
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GPG key ID: 71366FF21851DF03
2 changed files with 16 additions and 2 deletions
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4
src/cowboy_http.erl
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@ -454,7 +454,7 @@ parse_header(Buffer, State=#state{opts=Opts, in_state=PS}, Headers) ->
NumHeaders = maps:size(Headers),
case match_colon(Buffer, 0) of
nomatch when byte_size(Buffer) > MaxLength ->
error_terminate(400, State, {connection_error, limit_reached,
error_terminate(431, State, {connection_error, limit_reached,
''}); %% @todo
nomatch when NumHeaders >= MaxHeaders ->
error_terminate(400, State, {connection_error, limit_reached,
@ -497,7 +497,7 @@ parse_hd_before_value(Buffer, State=#state{opts=Opts, in_state=PS}, H, N) ->
MaxLength = maps:get(max_header_value_length, Opts, 4096),
case match_eol(Buffer, 0) of
nomatch when byte_size(Buffer) > MaxLength ->
error_terminate(400, State, {connection_error, limit_reached,
error_terminate(431, State, {connection_error, limit_reached,
''}); %% @todo
nomatch ->
{more, State#state{in_state=PS#ps_header{headers=H, name=N}}, Buffer};