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-rw-r--r--lib/ssl/src/ssl_alert.erl35
1 files changed, 21 insertions, 14 deletions
diff --git a/lib/ssl/src/ssl_alert.erl b/lib/ssl/src/ssl_alert.erl
index 9e372f739a..db71b16d80 100644
--- a/lib/ssl/src/ssl_alert.erl
+++ b/lib/ssl/src/ssl_alert.erl
@@ -3,16 +3,17 @@
%%
%% Copyright Ericsson AB 2007-2015. All Rights Reserved.
%%
-%% The contents of this file are subject to the Erlang Public License,
-%% Version 1.1, (the "License"); you may not use this file except in
-%% compliance with the License. You should have received a copy of the
-%% Erlang Public License along with this software. If not, it can be
-%% retrieved online at http://www.erlang.org/.
+%% Licensed under the Apache License, Version 2.0 (the "License");
+%% you may not use this file except in compliance with the License.
+%% You may obtain a copy of the License at
%%
-%% Software distributed under the License is distributed on an "AS IS"
-%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
-%% the License for the specific language governing rights and limitations
-%% under the License.
+%% http://www.apache.org/licenses/LICENSE-2.0
+%%
+%% Unless required by applicable law or agreed to in writing, software
+%% distributed under the License is distributed on an "AS IS" BASIS,
+%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+%% See the License for the specific language governing permissions and
+%% limitations under the License.
%%
%% %CopyrightEnd%
%%
@@ -72,10 +73,14 @@ reason_code(#alert{description = Description}, _) ->
%%
%% Description: Returns the error string for given alert.
%%--------------------------------------------------------------------
-
-alert_txt(#alert{level = Level, description = Description, where = {Mod,Line}}) ->
+alert_txt(#alert{level = Level, description = Description, where = {Mod,Line}, reason = undefined}) ->
Mod ++ ":" ++ integer_to_list(Line) ++ ":" ++
- level_txt(Level) ++" "++ description_txt(Description).
+ level_txt(Level) ++" "++ description_txt(Description);
+alert_txt(#alert{reason = Reason} = Alert) ->
+ BaseTxt = alert_txt(Alert#alert{reason = undefined}),
+ FormatDepth = 9, % Some limit on printed representation of an error
+ ReasonTxt = lists:flatten(io_lib:format("~P", [Reason, FormatDepth])),
+ BaseTxt ++ " - " ++ ReasonTxt.
%%--------------------------------------------------------------------
%%% Internal functions
@@ -84,7 +89,7 @@ alert_txt(#alert{level = Level, description = Description, where = {Mod,Line}})
%% It is very unlikely that an correct implementation will send more than one alert at the time
%% So it there is more than 10 warning alerts we consider it an error
decode(<<?BYTE(Level), ?BYTE(_), _/binary>>, _, N) when Level == ?WARNING, N > ?MAX_ALERTS ->
- ?ALERT_REC(?FATAL, ?DECODE_ERROR);
+ ?ALERT_REC(?FATAL, ?DECODE_ERROR, too_many_remote_alerts);
decode(<<?BYTE(Level), ?BYTE(Description), Rest/binary>>, Acc, N) when Level == ?WARNING ->
Alert = ?ALERT_REC(Level, Description),
decode(Rest, [Alert | Acc], N + 1);
@@ -92,7 +97,7 @@ decode(<<?BYTE(Level), ?BYTE(Description), _Rest/binary>>, Acc, _) when Level ==
Alert = ?ALERT_REC(Level, Description),
lists:reverse([Alert | Acc]); %% No need to decode rest fatal alert will end the connection
decode(<<?BYTE(_Level), _/binary>>, _, _) ->
- ?ALERT_REC(?FATAL, ?ILLEGAL_PARAMETER);
+ ?ALERT_REC(?FATAL, ?ILLEGAL_PARAMETER, failed_to_decode_remote_alert);
decode(<<>>, Acc, _) ->
lists:reverse(Acc, []).
@@ -163,5 +168,7 @@ description_txt(?UNKNOWN_PSK_IDENTITY) ->
"unknown psk identity";
description_txt(?INAPPROPRIATE_FALLBACK) ->
"inappropriate fallback";
+description_txt(?NO_APPLICATION_PROTOCOL) ->
+ "no application protocol";
description_txt(Enum) ->
lists:flatten(io_lib:format("unsupported/unknown alert: ~p", [Enum])).