diff options
Diffstat (limited to 'lib/ssh/src/ssh_connection_handler.erl')
| -rw-r--r-- | lib/ssh/src/ssh_connection_handler.erl | 62 |
1 files changed, 52 insertions, 10 deletions
diff --git a/lib/ssh/src/ssh_connection_handler.erl b/lib/ssh/src/ssh_connection_handler.erl index a1e505961a..4fbc5d0ae2 100644 --- a/lib/ssh/src/ssh_connection_handler.erl +++ b/lib/ssh/src/ssh_connection_handler.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2008-2013. All Rights Reserved. +%% Copyright Ericsson AB 2008-2014. 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 @@ -48,7 +48,7 @@ userauth/2, connected/2]). -export([init/1, handle_event/3, - handle_sync_event/4, handle_info/3, terminate/3, code_change/4]). + handle_sync_event/4, handle_info/3, terminate/3, format_status/2, code_change/4]). -record(state, { role, @@ -71,7 +71,8 @@ connection_queue, address, port, - opts + opts, + recbuf }). -type state_name() :: hello | kexinit | key_exchange | new_keys | userauth | connection. @@ -301,28 +302,39 @@ info(ConnectionHandler, ChannelProcess) -> hello(socket_control, #state{socket = Socket, ssh_params = Ssh} = State) -> VsnMsg = ssh_transport:hello_version_msg(string_version(Ssh)), send_msg(VsnMsg, State), - inet:setopts(Socket, [{packet, line}, {active, once}]), - {next_state, hello, State}; + {ok, [{recbuf, Size}]} = inet:getopts(Socket, [recbuf]), + inet:setopts(Socket, [{packet, line}, {active, once}, {recbuf, ?MAX_PROTO_VERSION}]), + {next_state, hello, State#state{recbuf = Size}}; -hello({info_line, _Line},#state{socket = Socket} = State) -> +hello({info_line, _Line},#state{role = client, socket = Socket} = State) -> + %% The server may send info lines before the version_exchange inet:setopts(Socket, [{active, once}]), {next_state, hello, State}; +hello({info_line, _Line},#state{role = server} = State) -> + DisconnectMsg = + #ssh_msg_disconnect{code = + ?SSH_DISCONNECT_PROTOCOL_ERROR, + description = "Did not receive expected protocol version exchange", + language = "en"}, + handle_disconnect(DisconnectMsg, State); + hello({version_exchange, Version}, #state{ssh_params = Ssh0, - socket = Socket} = State) -> + socket = Socket, + recbuf = Size} = State) -> {NumVsn, StrVsn} = ssh_transport:handle_hello_version(Version), case handle_version(NumVsn, StrVsn, Ssh0) of {ok, Ssh1} -> - inet:setopts(Socket, [{packet,0}, {mode,binary}, {active, once}]), + inet:setopts(Socket, [{packet,0}, {mode,binary}, {active, once}, {recbuf, Size}]), {KeyInitMsg, SshPacket, Ssh} = ssh_transport:key_exchange_init_msg(Ssh1), send_msg(SshPacket, State), {next_state, kexinit, next_packet(State#state{ssh_params = Ssh, key_exchange_init_msg = KeyInitMsg})}; not_supported -> - DisconnectMsg = + DisconnectMsg = #ssh_msg_disconnect{code = - ?SSH_DISCONNECT_PROTOCOL_VERSION_NOT_SUPPORTED, + ?SSH_DISCONNECT_PROTOCOL_VERSION_NOT_SUPPORTED, description = "Protocol version " ++ StrVsn ++ " not supported", language = "en"}, @@ -959,6 +971,36 @@ terminate_subsytem(#connection{system_supervisor = SysSup, terminate_subsytem(_) -> ok. +format_status(normal, [_, State]) -> + [{data, [{"StateData", State}]}]; +format_status(terminate, [_, State]) -> + SshParams0 = (State#state.ssh_params), + SshParams = SshParams0#ssh{c_keyinit = "***", + s_keyinit = "***", + send_mac_key = "***", + send_mac_size = "***", + recv_mac_key = "***", + recv_mac_size = "***", + encrypt_keys = "***", + encrypt_ctx = "***", + decrypt_keys = "***", + decrypt_ctx = "***", + compress_ctx = "***", + decompress_ctx = "***", + shared_secret = "***", + exchanged_hash = "***", + session_id = "***", + keyex_key = "***", + keyex_info = "***", + available_host_keys = "***"}, + [{data, [{"StateData", State#state{decoded_data_buffer = "***", + encoded_data_buffer = "***", + key_exchange_init_msg = "***", + opts = "***", + recbuf = "***", + ssh_params = SshParams + }}]}]. + %%-------------------------------------------------------------------- -spec code_change(OldVsn::term(), state_name(), Oldstate::term(), Extra::term()) -> {ok, state_name(), #state{}}. |