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authorIngela Anderton Andin <[email protected]>2017-06-16 11:11:44 +0200
committerIngela Anderton Andin <[email protected]>2017-07-07 15:54:19 +0200
commit972f9121311efcfb50db727ab3e930ebc95ab314 (patch)
tree3f641b882bab4a570cd5c73739a46de8b2deed56 /lib
parentb6afef4b4d1bc5705ba1c838e3f546c454de47c8 (diff)
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ssl: Enhance error logging
Diffstat (limited to 'lib')
-rw-r--r--lib/ssl/src/dtls_connection.erl5
-rw-r--r--lib/ssl/src/ssl_alert.erl76
-rw-r--r--lib/ssl/src/ssl_alert.hrl1
-rw-r--r--lib/ssl/src/ssl_connection.erl34
-rw-r--r--lib/ssl/src/tls_connection.erl6
5 files changed, 65 insertions, 57 deletions
diff --git a/lib/ssl/src/dtls_connection.erl b/lib/ssl/src/dtls_connection.erl
index e8cfbbe2e3..b6aafc3fa4 100644
--- a/lib/ssl/src/dtls_connection.erl
+++ b/lib/ssl/src/dtls_connection.erl
@@ -48,7 +48,7 @@
select_sni_extension/1]).
%% Alert and close handling
--export([encode_alert/3,send_alert/2, close/5]).
+-export([encode_alert/3,send_alert/2, close/5, protocol_name/0]).
%% Data handling
@@ -208,6 +208,9 @@ setopts(Transport, Socket, Other) ->
getopts(Transport, Socket, Tag) ->
dtls_socket:getopts(Transport, Socket, Tag).
+protocol_name() ->
+ "DTLS".
+
%%====================================================================
%% tls_connection_sup API
%%====================================================================
diff --git a/lib/ssl/src/ssl_alert.erl b/lib/ssl/src/ssl_alert.erl
index 696a55e4b9..b923785e17 100644
--- a/lib/ssl/src/ssl_alert.erl
+++ b/lib/ssl/src/ssl_alert.erl
@@ -57,16 +57,16 @@ decode(Bin) ->
reason_code(#alert{description = ?CLOSE_NOTIFY}, _) ->
closed;
reason_code(#alert{description = Description}, _) ->
- {tls_alert, description_txt(Description)}.
+ {tls_alert, string:to_lower(description_txt(Description))}.
%%--------------------------------------------------------------------
-spec alert_txt(#alert{}) -> string().
%%
%% Description: Returns the error string for given alert.
%%--------------------------------------------------------------------
-alert_txt(#alert{level = Level, description = Description, where = {Mod,Line}, reason = undefined}) ->
- Mod ++ ":" ++ integer_to_list(Line) ++ ":" ++
- level_txt(Level) ++" "++ description_txt(Description);
+alert_txt(#alert{level = Level, description = Description, where = {Mod,Line}, reason = undefined, role = Role}) ->
+ "at " ++ Mod ++ ":" ++ integer_to_list(Line) ++ " " ++ string:to_upper(atom_to_list(Role)) ++ " ALERT: " ++
+ 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
@@ -93,73 +93,73 @@ decode(<<>>, Acc, _) ->
lists:reverse(Acc, []).
level_txt(?WARNING) ->
- "Warning:";
+ "Warning - ";
level_txt(?FATAL) ->
- "Fatal error:".
+ "Fatal - ".
description_txt(?CLOSE_NOTIFY) ->
- "close notify";
+ "Close Notify";
description_txt(?UNEXPECTED_MESSAGE) ->
- "unexpected message";
+ "Unexpected Message";
description_txt(?BAD_RECORD_MAC) ->
- "bad record mac";
+ "Bad Record MAC";
description_txt(?DECRYPTION_FAILED) ->
- "decryption failed";
+ "Decryption Failed";
description_txt(?RECORD_OVERFLOW) ->
- "record overflow";
+ "Record Overflow";
description_txt(?DECOMPRESSION_FAILURE) ->
- "decompression failure";
+ "Decompression Failure";
description_txt(?HANDSHAKE_FAILURE) ->
- "handshake failure";
+ "Handshake Failure";
description_txt(?NO_CERTIFICATE_RESERVED) ->
- "No certificate reserved";
+ "No Certificate Reserved";
description_txt(?BAD_CERTIFICATE) ->
- "bad certificate";
+ "Bad Certificate";
description_txt(?UNSUPPORTED_CERTIFICATE) ->
- "unsupported certificate";
+ "Unsupported Certificate";
description_txt(?CERTIFICATE_REVOKED) ->
- "certificate revoked";
+ "Certificate Revoked";
description_txt(?CERTIFICATE_EXPIRED) ->
- "certificate expired";
+ "Certificate Expired";
description_txt(?CERTIFICATE_UNKNOWN) ->
- "certificate unknown";
+ "Certificate Unknown";
description_txt(?ILLEGAL_PARAMETER) ->
- "illegal parameter";
+ "Illegal Parameter";
description_txt(?UNKNOWN_CA) ->
- "unknown ca";
+ "Unknown CA";
description_txt(?ACCESS_DENIED) ->
- "access denied";
+ "Access Denied";
description_txt(?DECODE_ERROR) ->
- "decode error";
+ "Decode Error";
description_txt(?DECRYPT_ERROR) ->
- "decrypt error";
+ "Decrypt Error";
description_txt(?EXPORT_RESTRICTION) ->
- "export restriction";
+ "Export Restriction";
description_txt(?PROTOCOL_VERSION) ->
- "protocol version";
+ "Protocol Version";
description_txt(?INSUFFICIENT_SECURITY) ->
- "insufficient security";
+ "Insufficient Security";
description_txt(?INTERNAL_ERROR) ->
- "internal error";
+ "Internal Error";
description_txt(?USER_CANCELED) ->
- "user canceled";
+ "User Canceled";
description_txt(?NO_RENEGOTIATION) ->
- "no renegotiation";
+ "No Renegotiation";
description_txt(?UNSUPPORTED_EXTENSION) ->
- "unsupported extension";
+ "Unsupported Extension";
description_txt(?CERTIFICATE_UNOBTAINABLE) ->
- "certificate unobtainable";
+ "Certificate Unobtainable";
description_txt(?UNRECOGNISED_NAME) ->
- "unrecognised name";
+ "Unrecognised Name";
description_txt(?BAD_CERTIFICATE_STATUS_RESPONSE) ->
- "bad certificate status response";
+ "Bad Certificate Status Response";
description_txt(?BAD_CERTIFICATE_HASH_VALUE) ->
- "bad certificate hash value";
+ "Bad Certificate Hash Value";
description_txt(?UNKNOWN_PSK_IDENTITY) ->
- "unknown psk identity";
+ "Unknown Psk Identity";
description_txt(?INAPPROPRIATE_FALLBACK) ->
- "inappropriate fallback";
+ "Inappropriate Fallback";
description_txt(?NO_APPLICATION_PROTOCOL) ->
- "no application protocol";
+ "No application protocol";
description_txt(Enum) ->
lists:flatten(io_lib:format("unsupported/unknown alert: ~p", [Enum])).
diff --git a/lib/ssl/src/ssl_alert.hrl b/lib/ssl/src/ssl_alert.hrl
index f3743ba0f0..1aabb6c55a 100644
--- a/lib/ssl/src/ssl_alert.hrl
+++ b/lib/ssl/src/ssl_alert.hrl
@@ -118,6 +118,7 @@
level,
description,
where = {?FILE, ?LINE},
+ role,
reason
}).
-endif. % -ifdef(ssl_alert).
diff --git a/lib/ssl/src/ssl_connection.erl b/lib/ssl/src/ssl_connection.erl
index fb87662c7b..0163d08f2a 100644
--- a/lib/ssl/src/ssl_connection.erl
+++ b/lib/ssl/src/ssl_connection.erl
@@ -1143,7 +1143,7 @@ handle_alert(#alert{level = ?FATAL} = Alert, StateName,
port = Port, session = Session, user_application = {_Mon, Pid},
role = Role, socket_options = Opts, tracker = Tracker}) ->
invalidate_session(Role, Host, Port, Session),
- log_alert(SslOpts#ssl_options.log_alert, StateName, Alert),
+ log_alert(SslOpts#ssl_options.log_alert, Connection:protocol_name(), StateName, Alert#alert{role = opposite_role(Role)}),
alert_user(Transport, Tracker, Socket, StateName, Opts, Pid, From, Alert, Role, Connection),
{stop, normal};
@@ -1153,15 +1153,16 @@ handle_alert(#alert{level = ?WARNING, description = ?CLOSE_NOTIFY} = Alert,
{stop, {shutdown, peer_close}};
handle_alert(#alert{level = ?WARNING, description = ?NO_RENEGOTIATION} = Alert, StateName,
- #state{ssl_options = SslOpts, renegotiation = {true, internal}} = State) ->
- log_alert(SslOpts#ssl_options.log_alert, StateName, Alert),
+ #state{role = Role, ssl_options = SslOpts, protocol_cb = Connection, renegotiation = {true, internal}} = State) ->
+ log_alert(SslOpts#ssl_options.log_alert, Connection:protocol_name(), StateName, Alert#alert{role = opposite_role(Role)}),
handle_normal_shutdown(Alert, StateName, State),
{stop, {shutdown, peer_close}};
handle_alert(#alert{level = ?WARNING, description = ?NO_RENEGOTIATION} = Alert, StateName,
- #state{ssl_options = SslOpts, renegotiation = {true, From},
+ #state{role = Role,
+ ssl_options = SslOpts, renegotiation = {true, From},
protocol_cb = Connection} = State0) ->
- log_alert(SslOpts#ssl_options.log_alert, StateName, Alert),
+ log_alert(SslOpts#ssl_options.log_alert, Connection:protocol_name(), StateName, Alert#alert{role = opposite_role(Role)}),
gen_statem:reply(From, {error, renegotiation_rejected}),
{Record, State} = Connection:next_record(State0),
%% Go back to connection!
@@ -1169,8 +1170,8 @@ handle_alert(#alert{level = ?WARNING, description = ?NO_RENEGOTIATION} = Alert,
%% Gracefully log and ignore all other warning alerts
handle_alert(#alert{level = ?WARNING} = Alert, StateName,
- #state{ssl_options = SslOpts, protocol_cb = Connection} = State0) ->
- log_alert(SslOpts#ssl_options.log_alert, StateName, Alert),
+ #state{ssl_options = SslOpts, protocol_cb = Connection, role = Role} = State0) ->
+ log_alert(SslOpts#ssl_options.log_alert, Connection:protocol_name(), StateName, Alert#alert{role = opposite_role(Role)}),
{Record, State} = Connection:next_record(State0),
Connection:next_event(StateName, Record, State).
@@ -2370,18 +2371,19 @@ alert_user(Transport, Tracker, Socket, Active, Pid, From, Alert, Role, Connectio
Transport, Socket, Connection, Tracker), ReasonCode})
end.
-log_alert(true, Info, Alert) ->
+log_alert(true, ProtocolName, StateName, Alert) ->
Txt = ssl_alert:alert_txt(Alert),
- error_logger:format("SSL: ~p: ~s\n", [Info, Txt]);
-log_alert(false, _, _) ->
+ error_logger:format("~s: In state ~p ~s\n", [ProtocolName, StateName, Txt]);
+log_alert(false, _, _, _) ->
ok.
handle_own_alert(Alert, Version, StateName,
- #state{transport_cb = Transport,
- socket = Socket,
- protocol_cb = Connection,
- connection_states = ConnectionStates,
- ssl_options = SslOpts} = State) ->
+ #state{role = Role,
+ transport_cb = Transport,
+ socket = Socket,
+ protocol_cb = Connection,
+ connection_states = ConnectionStates,
+ ssl_options = SslOpts} = State) ->
try %% Try to tell the other side
{BinMsg, _} =
Connection:encode_alert(Alert, Version, ConnectionStates),
@@ -2390,7 +2392,7 @@ handle_own_alert(Alert, Version, StateName,
ignore
end,
try %% Try to tell the local user
- log_alert(SslOpts#ssl_options.log_alert, StateName, Alert),
+ log_alert(SslOpts#ssl_options.log_alert, Connection:protocol_name(), StateName, Alert#alert{role = Role}),
handle_normal_shutdown(Alert,StateName, State)
catch _:_ ->
ok
diff --git a/lib/ssl/src/tls_connection.erl b/lib/ssl/src/tls_connection.erl
index 352874c77d..e3ffbea3d3 100644
--- a/lib/ssl/src/tls_connection.erl
+++ b/lib/ssl/src/tls_connection.erl
@@ -56,7 +56,7 @@
reinit_handshake_data/1, select_sni_extension/1]).
%% Alert and close handling
--export([send_alert/2, close/5]).
+-export([send_alert/2, close/5, protocol_name/0]).
%% Data handling
-export([passive_receive/2, next_record_if_active/1, handle_common_event/4, send/3,
@@ -164,6 +164,8 @@ encode_data(Data, Version, ConnectionStates0)->
encode_alert(#alert{} = Alert, Version, ConnectionStates) ->
tls_record:encode_alert_record(Alert, Version, ConnectionStates).
+protocol_name() ->
+ "TLS".
%%====================================================================
%% tls_connection_sup API
%%====================================================================
@@ -719,7 +721,7 @@ close(downgrade, _,_,_,_) ->
%% Other
close(_, Socket, Transport, _,_) ->
Transport:close(Socket).
-
+
convert_state(#state{ssl_options = Options} = State, up, "5.3.5", "5.3.6") ->
State#state{ssl_options = convert_options_partial_chain(Options, up)};
convert_state(#state{ssl_options = Options} = State, down, "5.3.6", "5.3.5") ->