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authorFredrik Gustafsson <[email protected]>2013-03-08 09:34:35 +0100
committerFredrik Gustafsson <[email protected]>2013-03-08 09:34:35 +0100
commit066a44edb1d07d6d4f5694e5301910178c5c3b37 (patch)
tree37d767b52484fe59003ae04ef6af39e8b9baf52d /lib/ssh/src
parent05f11890bdfec4bfc3a78e191a87e70a937ffc54 (diff)
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Fixed rekeying initiation and secured testcase
Diffstat (limited to 'lib/ssh/src')
-rw-r--r--lib/ssh/src/ssh_connection_handler.erl31
1 files changed, 28 insertions, 3 deletions
diff --git a/lib/ssh/src/ssh_connection_handler.erl b/lib/ssh/src/ssh_connection_handler.erl
index 74a6ac7d19..1c4477aeb3 100644
--- a/lib/ssh/src/ssh_connection_handler.erl
+++ b/lib/ssh/src/ssh_connection_handler.erl
@@ -213,6 +213,29 @@ key_exchange(#ssh_msg_kexdh_init{} = Msg,
description = Desc,
language = "en"}, State)
end;
+
+key_exchange({#ssh_msg_kexinit{} = Kex, Payload},
+ #state{ssh_params = #ssh{role = Role} = Ssh0,
+ key_exchange_init_msg = OwnKex} =
+ State) ->
+ Ssh1 = ssh_transport:key_init(opposite_role(Role), Ssh0, Payload),
+ try ssh_transport:handle_kexinit_msg(Kex, OwnKex, Ssh1) of
+ {ok, NextKexMsg, Ssh} when Role == client ->
+ send_msg(NextKexMsg, State),
+ {next_state, key_exchange,
+ next_packet(State#state{ssh_params = Ssh})};
+ {ok, Ssh} when Role == server ->
+ {next_state, key_exchange,
+ next_packet(State#state{ssh_params = Ssh})}
+ catch
+ #ssh_msg_disconnect{} = DisconnectMsg ->
+ handle_disconnect(DisconnectMsg, State);
+ _:Error ->
+ Desc = log_error(Error),
+ handle_disconnect(#ssh_msg_disconnect{code = ?SSH_DISCONNECT_KEY_EXCHANGE_FAILED,
+ description = Desc,
+ language = "en"}, State)
+ end;
key_exchange(#ssh_msg_kexdh_reply{} = Msg,
#state{ssh_params = #ssh{role = client} = Ssh0} = State) ->
@@ -456,7 +479,9 @@ userauth(#ssh_msg_userauth_banner{message = Msg},
{next_state, userauth, next_packet(State)}.
connected({#ssh_msg_kexinit{}, _Payload} = Event, State) ->
- kexinit(Event, State#state{renegotiate = true}).
+ kexinit(Event, State#state{renegotiate = true});
+connected({#ssh_msg_kexdh_init{}, _Payload} = Event, State) ->
+ key_exchange(Event, State#state{renegotiate = true}).
%%--------------------------------------------------------------------
%% Function:
@@ -510,7 +535,7 @@ handle_event({info, From, Options}, StateName, #state{ssh_params = Ssh} = State
spawn(?MODULE, ssh_info_handler, [Options, Ssh, From]),
{next_state, StateName, State};
handle_event(data_size, connected, #state{ssh_params = Ssh0} = State) ->
- Sent = inet:getstat(State#state.socket, [send_oct]),
+ {ok, [{send_oct,Sent}]} = inet:getstat(State#state.socket, [send_oct]),
MaxSent = proplists:get_value(rekey_limit, State#state.opts, 1024000000),
case Sent >= MaxSent of
true ->
@@ -518,7 +543,7 @@ handle_event(data_size, connected, #state{ssh_params = Ssh0} = State) ->
send_msg(SshPacket, State),
{next_state, connected,
next_packet(State#state{ssh_params = Ssh,
- key_exchange_init_msg = KeyInitMsg,
+ key_exchange_init_msg = KeyInitMsg,
renegotiate = true})};
_ ->
{next_state, connected, next_packet(State)}