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-rw-r--r--lib/ssh/src/ssh_connect.hrl3
-rw-r--r--lib/ssh/src/ssh_connection_handler.erl62
-rw-r--r--lib/ssh/src/ssh_transport.erl27
3 files changed, 70 insertions, 22 deletions
diff --git a/lib/ssh/src/ssh_connect.hrl b/lib/ssh/src/ssh_connect.hrl
index 8421b07167..9307dbbad0 100644
--- a/lib/ssh/src/ssh_connect.hrl
+++ b/lib/ssh/src/ssh_connect.hrl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2005-2013. All Rights Reserved.
+%% Copyright Ericsson AB 2005-2014. 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
@@ -26,6 +26,7 @@
-define(DEFAULT_PACKET_SIZE, 32768).
-define(DEFAULT_WINDOW_SIZE, 2*?DEFAULT_PACKET_SIZE).
-define(DEFAULT_TIMEOUT, 5000).
+-define(MAX_PROTO_VERSION, 255).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%
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{}}.
diff --git a/lib/ssh/src/ssh_transport.erl b/lib/ssh/src/ssh_transport.erl
index ea05c849b7..76fa776113 100644
--- a/lib/ssh/src/ssh_transport.erl
+++ b/lib/ssh/src/ssh_transport.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2004-2013. All Rights Reserved.
+%% Copyright Ericsson AB 2004-2014. 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
@@ -82,16 +82,21 @@ format_version({Major,Minor}) ->
integer_to_list(Minor) ++ "-Erlang".
handle_hello_version(Version) ->
- StrVersion = trim_tail(Version),
- case string:tokens(Version, "-") of
- [_, "2.0" | _] ->
- {{2,0}, StrVersion};
- [_, "1.99" | _] ->
- {{2,0}, StrVersion};
- [_, "1.3" | _] ->
- {{1,3}, StrVersion};
- [_, "1.5" | _] ->
- {{1,5}, StrVersion}
+ try
+ StrVersion = trim_tail(Version),
+ case string:tokens(Version, "-") of
+ [_, "2.0" | _] ->
+ {{2,0}, StrVersion};
+ [_, "1.99" | _] ->
+ {{2,0}, StrVersion};
+ [_, "1.3" | _] ->
+ {{1,3}, StrVersion};
+ [_, "1.5" | _] ->
+ {{1,5}, StrVersion}
+ end
+ catch
+ error:_ ->
+ {undefined, "unknown version"}
end.
key_exchange_init_msg(Ssh0) ->
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-22 14:42:13 +0000