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-rw-r--r--lib/ssh/src/Makefile2
-rw-r--r--lib/ssh/src/ssh.appup.src26
-rw-r--r--lib/ssh/src/ssh.erl21
-rw-r--r--lib/ssh/src/ssh_acceptor_sup.erl13
-rw-r--r--lib/ssh/src/ssh_auth.erl86
-rw-r--r--lib/ssh/src/ssh_cli.erl12
-rw-r--r--lib/ssh/src/ssh_connect.hrl3
-rw-r--r--lib/ssh/src/ssh_connection.erl17
-rw-r--r--lib/ssh/src/ssh_connection_handler.erl98
-rw-r--r--lib/ssh/src/ssh_io.erl6
-rw-r--r--lib/ssh/src/ssh_message.erl13
-rw-r--r--lib/ssh/src/ssh_sftp.erl35
-rw-r--r--lib/ssh/src/ssh_system_sup.erl8
-rw-r--r--lib/ssh/src/ssh_transport.erl107
-rw-r--r--lib/ssh/src/ssh_xfer.erl8
15 files changed, 294 insertions, 161 deletions
diff --git a/lib/ssh/src/Makefile b/lib/ssh/src/Makefile
index 2ef2859fd7..53c755d3cb 100644
--- a/lib/ssh/src/Makefile
+++ b/lib/ssh/src/Makefile
@@ -115,7 +115,7 @@ $(TARGET_FILES): $(BEHAVIOUR_TARGET_FILES)
debug opt: $(TARGET_FILES) $(APP_TARGET) $(APPUP_TARGET)
clean:
- rm -f $(TARGET_FILES) $(APP_TARGET) $(APPUP_TARGET)
+ rm -f $(TARGET_FILES) $(APP_TARGET) $(APPUP_TARGET) $(BEHAVIOUR_TARGET_FILES)
rm -f errs core *~
$(APP_TARGET): $(APP_SRC) ../vsn.mk
diff --git a/lib/ssh/src/ssh.appup.src b/lib/ssh/src/ssh.appup.src
index 8269f89e40..42603cc23c 100644
--- a/lib/ssh/src/ssh.appup.src
+++ b/lib/ssh/src/ssh.appup.src
@@ -19,25 +19,19 @@
{"%VSN%",
[
- {"3.0.2", [{load_module, ssh_message, soft_purge, soft_purge, []},
- {load_module, ssh_connection_handler, soft_purge, soft_purge, []},
- {load_module, ssh_io, soft_purge, soft_purge, []}]},
- {"3.0.1", [{load_module, ssh, soft_purge, soft_purge, []},
- {load_module, ssh_acceptor, soft_purge, soft_purge, []},
- {load_module, ssh_message, soft_purge, soft_purge, []},
- {load_module, ssh_connection_handler, soft_purge, soft_purge, []},
- {load_module, ssh_io, soft_purge, soft_purge, []}]},
+ {"3.0.6", [{load_module, ssh_auth, soft_purge, soft_purge, [ssh_connection_handler]},
+ {load_module, ssh_message, soft_purge, soft_purge, [ssh_connection_handler]},
+ {load_module, ssh_io, soft_purge, soft_purge, [ssh_connection_handler]},
+ {load_module, ssh_sftp, soft_purge, soft_purge, [ssh_connection_handler]},
+ {load_module, ssh_xfer, soft_purge, soft_purge, [ssh_connection_handler]}]},
{<<".*">>, [{restart_application, ssh}]}
],
[
- {"3.0.2", [{load_module, ssh_message, soft_purge, soft_purge, []},
- {load_module, ssh_connection_handler, soft_purge, soft_purge, []},
- {load_module, ssh_io, soft_purge, soft_purge, []}]},
- {"3.0.1", [{load_module, ssh, soft_purge, soft_purge, []},
- {load_module, ssh_acceptor, soft_purge, soft_purge, []},
- {load_module, ssh_message, soft_purge, soft_purge, []},
- {load_module, ssh_connection_handler, soft_purge, soft_purge, []},
- {load_module, ssh_io, soft_purge, soft_purge, []}]},
+ {"3.0.6", [{load_module, ssh_auth, soft_purge, soft_purge, [ssh_connection_handler]},
+ {load_module, ssh_message, soft_purge, soft_purge, [ssh_connection_handler]},
+ {load_module, ssh_io, soft_purge, soft_purge, [ssh_connection_handler]},
+ {load_module, ssh_sftp, soft_purge, soft_purge, [ssh_connection_handler]},
+ {load_module, ssh_xfer, soft_purge, soft_purge, [ssh_connection_handler]}]},
{<<".*">>, [{restart_application, ssh}]}
]
}.
diff --git a/lib/ssh/src/ssh.erl b/lib/ssh/src/ssh.erl
index 743c01a42c..de047d3c83 100644
--- a/lib/ssh/src/ssh.erl
+++ b/lib/ssh/src/ssh.erl
@@ -234,22 +234,26 @@ do_start_daemon(Host, Port, Options, SocketOptions) ->
{port, Port}, {role, server},
{socket_opts, SocketOptions},
{ssh_opts, Options}]) of
- {ok, SysSup} ->
- {ok, SysSup};
{error, {already_started, _}} ->
{error, eaddrinuse};
- {error, R} ->
- {error, R}
+ Result = {Code, _} when (Code == ok) or (Code == error) ->
+ Result
catch
exit:{noproc, _} ->
{error, ssh_not_started}
end;
Sup ->
- case ssh_system_sup:restart_acceptor(Host, Port) of
+ AccPid = ssh_system_sup:acceptor_supervisor(Sup),
+ case ssh_acceptor_sup:start_child(AccPid, [{address, Host},
+ {port, Port}, {role, server},
+ {socket_opts, SocketOptions},
+ {ssh_opts, Options}]) of
+ {error, {already_started, _}} ->
+ {error, eaddrinuse};
{ok, _} ->
{ok, Sup};
- _ ->
- {error, eaddrinuse}
+ Other ->
+ Other
end
end.
@@ -392,7 +396,8 @@ handle_ssh_option({compression, Value} = Opt) when is_atom(Value) ->
Opt;
handle_ssh_option({exec, {Module, Function, _}} = Opt) when is_atom(Module),
is_atom(Function) ->
-
+ Opt;
+handle_ssh_option({exec, Function} = Opt) when is_function(Function) ->
Opt;
handle_ssh_option({auth_methods, Value} = Opt) when is_list(Value) ->
Opt;
diff --git a/lib/ssh/src/ssh_acceptor_sup.erl b/lib/ssh/src/ssh_acceptor_sup.erl
index 2be729d305..46fdef07d0 100644
--- a/lib/ssh/src/ssh_acceptor_sup.erl
+++ b/lib/ssh/src/ssh_acceptor_sup.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
@@ -26,7 +26,7 @@
-module(ssh_acceptor_sup).
-behaviour(supervisor).
--export([start_link/1, start_child/2, stop_child/2]).
+-export([start_link/1, start_child/2, stop_child/3]).
%% Supervisor callback
-export([init/1]).
@@ -45,18 +45,17 @@ start_child(AccSup, ServerOpts) ->
{error, already_present} ->
Address = proplists:get_value(address, ServerOpts),
Port = proplists:get_value(port, ServerOpts),
- Name = id(Address, Port),
- supervisor:delete_child(?MODULE, Name),
+ stop_child(AccSup, Address, Port),
supervisor:start_child(AccSup, Spec);
Reply ->
Reply
end.
-stop_child(Address, Port) ->
+stop_child(AccSup, Address, Port) ->
Name = id(Address, Port),
- case supervisor:terminate_child(?MODULE, Name) of
+ case supervisor:terminate_child(AccSup, Name) of
ok ->
- supervisor:delete_child(?MODULE, Name);
+ supervisor:delete_child(AccSup, Name);
Error ->
Error
end.
diff --git a/lib/ssh/src/ssh_auth.erl b/lib/ssh/src/ssh_auth.erl
index 45fd907383..b4d406ba8d 100644
--- a/lib/ssh/src/ssh_auth.erl
+++ b/lib/ssh/src/ssh_auth.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
@@ -119,8 +119,7 @@ init_userauth_request_msg(#ssh{opts = Opts} = Ssh) ->
false ->
FirstAlg = proplists:get_value(public_key_alg, Opts, ?PREFERRED_PK_ALG),
SecondAlg = other_alg(FirstAlg),
- AllowUserInt = proplists:get_value(user_interaction, Opts, true),
- Prefs = method_preference(FirstAlg, SecondAlg, AllowUserInt),
+ Prefs = method_preference(FirstAlg, SecondAlg),
ssh_transport:ssh_packet(Msg, Ssh#ssh{user = User,
userauth_preference = Prefs,
userauth_methods = none,
@@ -130,15 +129,13 @@ init_userauth_request_msg(#ssh{opts = Opts} = Ssh) ->
case length(Algs) =:= 2 of
true ->
SecondAlg = other_alg(FirstAlg),
- AllowUserInt = proplists:get_value(user_interaction, Opts, true),
- Prefs = method_preference(FirstAlg, SecondAlg, AllowUserInt),
+ Prefs = method_preference(FirstAlg, SecondAlg),
ssh_transport:ssh_packet(Msg, Ssh#ssh{user = User,
userauth_preference = Prefs,
userauth_methods = none,
service = "ssh-connection"});
_ ->
- AllowUserInt = proplists:get_value(user_interaction, Opts, true),
- Prefs = method_preference(FirstAlg, AllowUserInt),
+ Prefs = method_preference(FirstAlg),
ssh_transport:ssh_packet(Msg, Ssh#ssh{user = User,
userauth_preference = Prefs,
userauth_methods = none,
@@ -256,15 +253,12 @@ handle_userauth_info_request(
data = Data}, IoCb,
#ssh{opts = Opts} = Ssh) ->
PromptInfos = decode_keyboard_interactive_prompts(NumPrompts,Data),
- Resps = keyboard_interact_get_responses(IoCb, Opts,
+ Responses = keyboard_interact_get_responses(IoCb, Opts,
Name, Instr, PromptInfos),
- RespBin = list_to_binary(
- lists:map(fun(S) -> <<?STRING(list_to_binary(S))>> end,
- Resps)),
{ok,
ssh_transport:ssh_packet(
#ssh_msg_userauth_info_response{num_responses = NumPrompts,
- data = RespBin}, Ssh)}.
+ data = Responses}, Ssh)}.
handle_userauth_info_response(#ssh_msg_userauth_info_response{},
_Auth) ->
@@ -276,25 +270,16 @@ handle_userauth_info_response(#ssh_msg_userauth_info_response{},
%%--------------------------------------------------------------------
%%% Internal functions
%%--------------------------------------------------------------------
-method_preference(Alg1, Alg2, true) ->
+method_preference(Alg1, Alg2) ->
[{"publickey", ?MODULE, publickey_msg, [Alg1]},
{"publickey", ?MODULE, publickey_msg,[Alg2]},
{"password", ?MODULE, password_msg, []},
{"keyboard-interactive", ?MODULE, keyboard_interactive_msg, []}
- ];
-method_preference(Alg1, Alg2, false) ->
- [{"publickey", ?MODULE, publickey_msg, [Alg1]},
- {"publickey", ?MODULE, publickey_msg,[Alg2]},
- {"password", ?MODULE, password_msg, []}
].
-method_preference(Alg1, true) ->
+method_preference(Alg1) ->
[{"publickey", ?MODULE, publickey_msg, [Alg1]},
{"password", ?MODULE, password_msg, []},
{"keyboard-interactive", ?MODULE, keyboard_interactive_msg, []}
- ];
-method_preference(Alg1, false) ->
- [{"publickey", ?MODULE, publickey_msg, [Alg1]},
- {"password", ?MODULE, password_msg, []}
].
user_name(Opts) ->
@@ -362,35 +347,29 @@ build_sig_data(SessionId, User, Service, KeyBlob, Alg) ->
algorithm_string('ssh-rsa') ->
"ssh-rsa";
algorithm_string('ssh-dss') ->
- "ssh-dss".
+ "ssh-dss".
decode_keyboard_interactive_prompts(_NumPrompts, Data) ->
ssh_message:decode_keyboard_interactive_prompts(Data, []).
keyboard_interact_get_responses(IoCb, Opts, Name, Instr, PromptInfos) ->
NumPrompts = length(PromptInfos),
- case proplists:get_value(keyboard_interact_fun, Opts) of
- undefined when NumPrompts == 1 ->
- %% Special case/fallback for just one prompt
- %% (assumed to be the password prompt)
- case proplists:get_value(password, Opts) of
- undefined -> keyboard_interact(IoCb, Name, Instr, PromptInfos, Opts);
- PW -> [PW]
- end;
- undefined ->
- keyboard_interact(IoCb, Name, Instr, PromptInfos, Opts);
- KbdInteractFun ->
- Prompts = lists:map(fun({Prompt, _Echo}) -> Prompt end,
- PromptInfos),
- case KbdInteractFun(Name, Instr, Prompts) of
- Rs when length(Rs) == NumPrompts ->
- Rs;
- Rs ->
- erlang:error({mismatching_number_of_responses,
- {got,Rs},
- {expected,NumPrompts}})
- end
- end.
+ keyboard_interact_get_responses(proplists:get_value(user_interaction, Opts, true),
+ proplists:get_value(keyboard_interact_fun, Opts),
+ proplists:get_value(password, Opts, undefined), IoCb, Name,
+ Instr, PromptInfos, Opts, NumPrompts).
+
+keyboard_interact_get_responses(_, undefined, Password, _, _, _, _, _,
+ 1) when Password =/= undefined ->
+ [Password]; %% Password auth implemented with keyboard-interaction and passwd is known
+keyboard_interact_get_responses(_, _, _, _, _, _, _, _, 0) ->
+ [""];
+keyboard_interact_get_responses(false, undefined, undefined, _, _, _, [Prompt|_], Opts, _) ->
+ ssh_no_io:read_line(Prompt, Opts); %% Throws error as keyboard interaction is not allowed
+keyboard_interact_get_responses(true, undefined, _,IoCb, Name, Instr, PromptInfos, Opts, _) ->
+ keyboard_interact(IoCb, Name, Instr, PromptInfos, Opts);
+keyboard_interact_get_responses(true, Fun, _, Name, Instr, PromptInfos, _, _, NumPrompts) ->
+ keyboard_interact_fun(Fun, Name, Instr, PromptInfos, NumPrompts).
keyboard_interact(IoCb, Name, Instr, Prompts, Opts) ->
if Name /= "" -> IoCb:format("~s", [Name]);
@@ -404,6 +383,21 @@ keyboard_interact(IoCb, Name, Instr, Prompts, Opts) ->
end,
Prompts).
+keyboard_interact_fun(KbdInteractFun, Name, Instr, PromptInfos, NumPrompts) ->
+ Prompts = lists:map(fun({Prompt, _Echo}) -> Prompt end,
+ PromptInfos),
+ case KbdInteractFun(Name, Instr, Prompts) of
+ Rs when length(Rs) == NumPrompts ->
+ Rs;
+ Rs ->
+ throw({mismatching_number_of_responses,
+ {got,Rs},
+ {expected, NumPrompts},
+ #ssh_msg_disconnect{code = ?SSH_DISCONNECT_SERVICE_NOT_AVAILABLE,
+ description = "User interaction failed",
+ language = "en"}})
+ end.
+
other_alg('ssh-rsa') ->
'ssh-dss';
other_alg('ssh-dss') ->
diff --git a/lib/ssh/src/ssh_cli.erl b/lib/ssh/src/ssh_cli.erl
index 77453e8fd7..18841e3d2d 100644
--- a/lib/ssh/src/ssh_cli.erl
+++ b/lib/ssh/src/ssh_cli.erl
@@ -457,17 +457,17 @@ bin_to_list(I) when is_integer(I) ->
start_shell(ConnectionHandler, State) ->
Shell = State#state.shell,
- ConnectionInfo = ssh_connection_handler:info(ConnectionHandler,
+ ConnectionInfo = ssh_connection_handler:connection_info(ConnectionHandler,
[peer, user]),
ShellFun = case is_function(Shell) of
true ->
- {ok, User} =
+ User =
proplists:get_value(user, ConnectionInfo),
case erlang:fun_info(Shell, arity) of
{arity, 1} ->
fun() -> Shell(User) end;
{arity, 2} ->
- [{_, PeerAddr}] =
+ {_, PeerAddr} =
proplists:get_value(peer, ConnectionInfo),
fun() -> Shell(User, PeerAddr) end;
_ ->
@@ -485,9 +485,9 @@ start_shell(_ConnectionHandler, Cmd, #state{exec={M, F, A}} = State) ->
State#state{group = Group, buf = empty_buf()};
start_shell(ConnectionHandler, Cmd, #state{exec=Shell} = State) when is_function(Shell) ->
- ConnectionInfo = ssh_connection_handler:info(ConnectionHandler,
+ ConnectionInfo = ssh_connection_handler:connection_info(ConnectionHandler,
[peer, user]),
- {ok, User} =
+ User =
proplists:get_value(user, ConnectionInfo),
ShellFun =
case erlang:fun_info(Shell, arity) of
@@ -496,7 +496,7 @@ start_shell(ConnectionHandler, Cmd, #state{exec=Shell} = State) when is_function
{arity, 2} ->
fun() -> Shell(Cmd, User) end;
{arity, 3} ->
- [{_, PeerAddr}] =
+ {_, PeerAddr} =
proplists:get_value(peer, ConnectionInfo),
fun() -> Shell(Cmd, User, PeerAddr) end;
_ ->
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.erl b/lib/ssh/src/ssh_connection.erl
index b377614949..87f37b93ef 100644
--- a/lib/ssh/src/ssh_connection.erl
+++ b/lib/ssh/src/ssh_connection.erl
@@ -107,9 +107,15 @@ shell(ConnectionHandler, ChannelId) ->
%% Description: Executes a predefined subsystem.
%%--------------------------------------------------------------------
subsystem(ConnectionHandler, ChannelId, SubSystem, TimeOut) ->
- ssh_connection_handler:request(ConnectionHandler, self(),
- ChannelId, "subsystem",
- true, [?string(SubSystem)], TimeOut).
+ case ssh_connection_handler:request(ConnectionHandler, self(),
+ ChannelId, "subsystem",
+ true, [?string(SubSystem)], TimeOut) of
+ success -> success;
+ failure -> failure;
+ {error,timeout} -> {error,timeout};
+ _ -> failure
+ end.
+
%%--------------------------------------------------------------------
-spec send(pid(), channel_id(), iodata()) ->
ok | {error, closed}.
@@ -782,9 +788,8 @@ handle_cli_msg(#connection{channel_cache = Cache} = Connection,
erlang:monitor(process, Pid),
Channel = Channel0#channel{user = Pid},
ssh_channel:cache_update(Cache, Channel),
- Reply = {connection_reply,
- channel_success_msg(RemoteId)},
- {{replies, [{channel_data, Pid, Reply0}, Reply]}, Connection};
+ {Reply, Connection1} = reply_msg(Channel, Connection, Reply0),
+ {{replies, [Reply]}, Connection1};
_Other ->
Reply = {connection_reply,
channel_failure_msg(RemoteId)},
diff --git a/lib/ssh/src/ssh_connection_handler.erl b/lib/ssh/src/ssh_connection_handler.erl
index 06866392da..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.
@@ -103,22 +104,22 @@ start_connection(client = Role, Socket, Options, Timeout) ->
end;
start_connection(server = Role, Socket, Options, Timeout) ->
+ SSH_Opts = proplists:get_value(ssh_opts, Options, []),
try
- Sups = proplists:get_value(supervisors, Options),
- ConnectionSup = proplists:get_value(connection_sup, Sups),
- Opts = [{supervisors, Sups}, {user_pid, self()} | proplists:get_value(ssh_opts, Options, [])],
- {ok, Pid} = ssh_connection_sup:start_child(ConnectionSup, [Role, Socket, Opts]),
- {_, Callback, _} = proplists:get_value(transport, Options, {tcp, gen_tcp, tcp_closed}),
- socket_control(Socket, Pid, Callback),
- case proplists:get_value(parallel_login, Opts, false) of
+ case proplists:get_value(parallel_login, SSH_Opts, false) of
true ->
- spawn(fun() ->
- Ref = erlang:monitor(process, Pid),
- handshake(Pid, Ref, Timeout)
- end);
+ HandshakerPid =
+ spawn_link(fun() ->
+ receive
+ {do_handshake, Pid} ->
+ handshake(Pid, erlang:monitor(process,Pid), Timeout)
+ end
+ end),
+ ChildPid = start_the_connection_child(HandshakerPid, Role, Socket, Options),
+ HandshakerPid ! {do_handshake, ChildPid};
false ->
- Ref = erlang:monitor(process, Pid),
- handshake(Pid, Ref, Timeout)
+ ChildPid = start_the_connection_child(self(), Role, Socket, Options),
+ handshake(ChildPid, erlang:monitor(process,ChildPid), Timeout)
end
catch
exit:{noproc, _} ->
@@ -127,6 +128,16 @@ start_connection(server = Role, Socket, Options, Timeout) ->
{error, Error}
end.
+start_the_connection_child(UserPid, Role, Socket, Options) ->
+ Sups = proplists:get_value(supervisors, Options),
+ ConnectionSup = proplists:get_value(connection_sup, Sups),
+ Opts = [{supervisors, Sups}, {user_pid, UserPid} | proplists:get_value(ssh_opts, Options, [])],
+ {ok, Pid} = ssh_connection_sup:start_child(ConnectionSup, [Role, Socket, Opts]),
+ {_, Callback, _} = proplists:get_value(transport, Options, {tcp, gen_tcp, tcp_closed}),
+ socket_control(Socket, Pid, Callback),
+ Pid.
+
+
start_link(Role, Socket, Options) ->
{ok, proc_lib:spawn_link(?MODULE, init, [[Role, Socket, Options]])}.
@@ -291,28 +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"},
@@ -949,6 +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_io.erl b/lib/ssh/src/ssh_io.erl
index 35336bce8b..97e2dee27a 100644
--- a/lib/ssh/src/ssh_io.erl
+++ b/lib/ssh/src/ssh_io.erl
@@ -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
@@ -73,7 +73,9 @@ read_password(Prompt, Ssh) ->
listify(A) when is_atom(A) ->
atom_to_list(A);
listify(L) when is_list(L) ->
- L.
+ L;
+listify(B) when is_binary(B) ->
+ binary_to_list(B).
format(Fmt, Args) ->
io:format(Fmt, Args).
diff --git a/lib/ssh/src/ssh_message.erl b/lib/ssh/src/ssh_message.erl
index 76b57cb995..891ccec24c 100644
--- a/lib/ssh/src/ssh_message.erl
+++ b/lib/ssh/src/ssh_message.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2013-2013. All Rights Reserved.
+%% Copyright Ericsson AB 2013-2014. 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
@@ -162,8 +162,15 @@ encode(#ssh_msg_userauth_info_request{
encode(#ssh_msg_userauth_info_response{
num_responses = Num,
data = Data}) ->
- ssh_bits:encode([?SSH_MSG_USERAUTH_INFO_RESPONSE, Num, Data],
- [byte, uint32, '...']);
+ Responses = lists:map(fun("") ->
+ <<>>;
+ (Response) ->
+ ssh_bits:encode([Response], [string])
+ end, Data),
+ Start = ssh_bits:encode([?SSH_MSG_USERAUTH_INFO_RESPONSE, Num],
+ [byte, uint32]),
+ iolist_to_binary([Start, Responses]);
+
encode(#ssh_msg_disconnect{
code = Code,
description = Desc,
diff --git a/lib/ssh/src/ssh_sftp.erl b/lib/ssh/src/ssh_sftp.erl
index 0ea2366ac7..721146c509 100644
--- a/lib/ssh/src/ssh_sftp.erl
+++ b/lib/ssh/src/ssh_sftp.erl
@@ -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
@@ -57,7 +57,8 @@
rep_buf = <<>>,
req_id,
req_list = [], %% {ReqId, Fun}
- inf %% list of fileinf
+ inf, %% list of fileinf,
+ opts
}).
-record(fileinf,
@@ -85,10 +86,11 @@ start_channel(Host) when is_list(Host) ->
start_channel(Host, []).
start_channel(Cm, Opts) when is_pid(Cm) ->
Timeout = proplists:get_value(timeout, Opts, infinity),
+ {_, SftpOpts} = handle_options(Opts, [], []),
case ssh_xfer:attach(Cm, []) of
{ok, ChannelId, Cm} ->
case ssh_channel:start(Cm, ChannelId,
- ?MODULE, [Cm, ChannelId, Timeout]) of
+ ?MODULE, [Cm, ChannelId, SftpOpts]) of
{ok, Pid} ->
case wait_for_version_negotiation(Pid, Timeout) of
ok ->
@@ -108,11 +110,12 @@ start_channel(Cm, Opts) when is_pid(Cm) ->
start_channel(Host, Opts) ->
start_channel(Host, 22, Opts).
start_channel(Host, Port, Opts) ->
- Timeout = proplists:get_value(timeout, Opts, infinity),
- case ssh_xfer:connect(Host, Port, proplists:delete(timeout, Opts)) of
+ {SshOpts, SftpOpts} = handle_options(Opts, [], []),
+ Timeout = proplists:get_value(timeout, SftpOpts, infinity),
+ case ssh_xfer:connect(Host, Port, SshOpts) of
{ok, ChannelId, Cm} ->
case ssh_channel:start(Cm, ChannelId, ?MODULE, [Cm,
- ChannelId, Timeout]) of
+ ChannelId, SftpOpts]) of
{ok, Pid} ->
case wait_for_version_negotiation(Pid, Timeout) of
ok ->
@@ -392,7 +395,8 @@ write_file_loop(Pid, Handle, Pos, Bin, Remain, PacketSz, FileOpTimeout) ->
%%
%% Description:
%%--------------------------------------------------------------------
-init([Cm, ChannelId, Timeout]) ->
+init([Cm, ChannelId, Options]) ->
+ Timeout = proplists:get_value(timeout, Options, infinity),
erlang:monitor(process, Cm),
case ssh_connection:subsystem(Cm, ChannelId, "sftp", Timeout) of
success ->
@@ -401,7 +405,8 @@ init([Cm, ChannelId, Timeout]) ->
{ok, #state{xf = Xf,
req_id = 0,
rep_buf = <<>>,
- inf = new_inf()}};
+ inf = new_inf(),
+ opts = Options}};
failure ->
{stop, "server failed to start sftp subsystem"};
Error ->
@@ -707,8 +712,9 @@ handle_ssh_msg({ssh_cm, _, {exit_status, ChannelId, Status}}, State0) ->
%%
%% Description: Handles channel messages
%%--------------------------------------------------------------------
-handle_msg({ssh_channel_up, _, _}, #state{xf = Xf} = State) ->
- ssh_xfer:protocol_version_request(Xf),
+handle_msg({ssh_channel_up, _, _}, #state{opts = Options, xf = Xf} = State) ->
+ Version = proplists:get_value(sftp_vsn, Options, ?SSH_SFTP_PROTOCOL_VERSION),
+ ssh_xfer:protocol_version_request(Xf, Version),
{ok, State};
%% Version negotiation timed out
@@ -754,6 +760,15 @@ terminate(_Reason, State) ->
%%====================================================================
%% Internal functions
%%====================================================================
+handle_options([], Sftp, Ssh) ->
+ {Ssh, Sftp};
+handle_options([{timeout, _} = Opt | Rest], Sftp, Ssh) ->
+ handle_options(Rest, [Opt | Sftp], Ssh);
+handle_options([{sftp_vsn, _} = Opt| Rest], Sftp, Ssh) ->
+ handle_options(Rest, [Opt | Sftp], Ssh);
+handle_options([Opt | Rest], Sftp, Ssh) ->
+ handle_options(Rest, Sftp, [Opt | Ssh]).
+
call(Pid, Msg, TimeOut) ->
ssh_channel:call(Pid, {{timeout, TimeOut}, Msg}, infinity).
diff --git a/lib/ssh/src/ssh_system_sup.erl b/lib/ssh/src/ssh_system_sup.erl
index 848133f838..660fe8bb65 100644
--- a/lib/ssh/src/ssh_system_sup.erl
+++ b/lib/ssh/src/ssh_system_sup.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
@@ -173,8 +173,8 @@ ssh_acceptor_sup([_ | Rest]) ->
ssh_acceptor_sup(Rest).
stop_acceptor(Sup) ->
- [Name] =
- [SupName || {SupName, _, _, [ssh_acceptor_sup]} <-
+ [{Name, AcceptorSup}] =
+ [{SupName, ASup} || {SupName, ASup, _, [ssh_acceptor_sup]} <-
supervisor:which_children(Sup)],
- supervisor:terminate_child(Sup, Name).
+ supervisor:terminate_child(AcceptorSup, Name).
diff --git a/lib/ssh/src/ssh_transport.erl b/lib/ssh/src/ssh_transport.erl
index 27723dc870..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) ->
@@ -113,15 +118,28 @@ key_init(client, Ssh, Value) ->
key_init(server, Ssh, Value) ->
Ssh#ssh{s_keyinit = Value}.
+available_ssh_algos() ->
+ Supports = crypto:supports(),
+ CipherAlgos = [{aes_ctr, "aes128-ctr"}, {aes_cbc128, "aes128-cbc"}, {des3_cbc, "3des-cbc"}],
+ Ciphers = [SshAlgo ||
+ {CryptoAlgo, SshAlgo} <- CipherAlgos,
+ lists:member(CryptoAlgo, proplists:get_value(ciphers, Supports, []))],
+ HashAlgos = [{sha256, "hmac-sha2-256"}, {sha, "hmac-sha1"}],
+ Hashs = [SshAlgo ||
+ {CryptoAlgo, SshAlgo} <- HashAlgos,
+ lists:member(CryptoAlgo, proplists:get_value(hashs, Supports, []))],
+ {Ciphers, Hashs}.
+
kexinit_messsage(client, Random, Compression, HostKeyAlgs) ->
+ {CipherAlgs, HashAlgs} = available_ssh_algos(),
#ssh_msg_kexinit{
cookie = Random,
kex_algorithms = ["diffie-hellman-group1-sha1"],
server_host_key_algorithms = HostKeyAlgs,
- encryption_algorithms_client_to_server = ["aes128-cbc","3des-cbc"],
- encryption_algorithms_server_to_client = ["aes128-cbc","3des-cbc"],
- mac_algorithms_client_to_server = ["hmac-sha1"],
- mac_algorithms_server_to_client = ["hmac-sha1"],
+ encryption_algorithms_client_to_server = CipherAlgs,
+ encryption_algorithms_server_to_client = CipherAlgs,
+ mac_algorithms_client_to_server = HashAlgs,
+ mac_algorithms_server_to_client = HashAlgs,
compression_algorithms_client_to_server = Compression,
compression_algorithms_server_to_client = Compression,
languages_client_to_server = [],
@@ -129,14 +147,15 @@ kexinit_messsage(client, Random, Compression, HostKeyAlgs) ->
};
kexinit_messsage(server, Random, Compression, HostKeyAlgs) ->
+ {CipherAlgs, HashAlgs} = available_ssh_algos(),
#ssh_msg_kexinit{
cookie = Random,
kex_algorithms = ["diffie-hellman-group1-sha1"],
server_host_key_algorithms = HostKeyAlgs,
- encryption_algorithms_client_to_server = ["aes128-cbc","3des-cbc"],
- encryption_algorithms_server_to_client = ["aes128-cbc","3des-cbc"],
- mac_algorithms_client_to_server = ["hmac-sha1"],
- mac_algorithms_server_to_client = ["hmac-sha1"],
+ encryption_algorithms_client_to_server = CipherAlgs,
+ encryption_algorithms_server_to_client = CipherAlgs,
+ mac_algorithms_client_to_server = HashAlgs,
+ mac_algorithms_server_to_client = HashAlgs,
compression_algorithms_client_to_server = Compression,
compression_algorithms_server_to_client = Compression,
languages_client_to_server = [],
@@ -636,7 +655,21 @@ encrypt_init(#ssh{encrypt = 'aes128-cbc', role = server} = Ssh) ->
<<K:16/binary>> = hash(Ssh, "D", 128),
{ok, Ssh#ssh{encrypt_keys = K,
encrypt_block_size = 16,
- encrypt_ctx = IV}}.
+ encrypt_ctx = IV}};
+encrypt_init(#ssh{encrypt = 'aes128-ctr', role = client} = Ssh) ->
+ IV = hash(Ssh, "A", 128),
+ <<K:16/binary>> = hash(Ssh, "C", 128),
+ State = crypto:stream_init(aes_ctr, K, IV),
+ {ok, Ssh#ssh{encrypt_keys = K,
+ encrypt_block_size = 16,
+ encrypt_ctx = State}};
+encrypt_init(#ssh{encrypt = 'aes128-ctr', role = server} = Ssh) ->
+ IV = hash(Ssh, "B", 128),
+ <<K:16/binary>> = hash(Ssh, "D", 128),
+ State = crypto:stream_init(aes_ctr, K, IV),
+ {ok, Ssh#ssh{encrypt_keys = K,
+ encrypt_block_size = 16,
+ encrypt_ctx = State}}.
encrypt_final(Ssh) ->
{ok, Ssh#ssh{encrypt = none,
@@ -658,7 +691,11 @@ encrypt(#ssh{encrypt = 'aes128-cbc',
encrypt_ctx = IV0} = Ssh, Data) ->
Enc = crypto:block_encrypt(aes_cbc128, K,IV0,Data),
IV = crypto:next_iv(aes_cbc, Enc),
- {Ssh#ssh{encrypt_ctx = IV}, Enc}.
+ {Ssh#ssh{encrypt_ctx = IV}, Enc};
+encrypt(#ssh{encrypt = 'aes128-ctr',
+ encrypt_ctx = State0} = Ssh, Data) ->
+ {State, Enc} = crypto:stream_encrypt(State0,Data),
+ {Ssh#ssh{encrypt_ctx = State}, Enc}.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -690,7 +727,21 @@ decrypt_init(#ssh{decrypt = 'aes128-cbc', role = server} = Ssh) ->
hash(Ssh, "C", 128)},
<<K:16/binary>> = KD,
{ok, Ssh#ssh{decrypt_keys = K, decrypt_ctx = IV,
- decrypt_block_size = 16}}.
+ decrypt_block_size = 16}};
+decrypt_init(#ssh{decrypt = 'aes128-ctr', role = client} = Ssh) ->
+ IV = hash(Ssh, "B", 128),
+ <<K:16/binary>> = hash(Ssh, "D", 128),
+ State = crypto:stream_init(aes_ctr, K, IV),
+ {ok, Ssh#ssh{decrypt_keys = K,
+ decrypt_block_size = 16,
+ decrypt_ctx = State}};
+decrypt_init(#ssh{decrypt = 'aes128-ctr', role = server} = Ssh) ->
+ IV = hash(Ssh, "A", 128),
+ <<K:16/binary>> = hash(Ssh, "C", 128),
+ State = crypto:stream_init(aes_ctr, K, IV),
+ {ok, Ssh#ssh{decrypt_keys = K,
+ decrypt_block_size = 16,
+ decrypt_ctx = State}}.
decrypt_final(Ssh) ->
@@ -711,7 +762,11 @@ decrypt(#ssh{decrypt = 'aes128-cbc', decrypt_keys = Key,
decrypt_ctx = IV0} = Ssh, Data) ->
Dec = crypto:block_decrypt(aes_cbc128, Key,IV0,Data),
IV = crypto:next_iv(aes_cbc, Data),
- {Ssh#ssh{decrypt_ctx = IV}, Dec}.
+ {Ssh#ssh{decrypt_ctx = IV}, Dec};
+decrypt(#ssh{decrypt = 'aes128-ctr',
+ decrypt_ctx = State0} = Ssh, Data) ->
+ {State, Enc} = crypto:stream_decrypt(State0,Data),
+ {Ssh#ssh{decrypt_ctx = State}, Enc}.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Compression
@@ -846,7 +901,9 @@ mac('hmac-sha1-96', Key, SeqNum, Data) ->
mac('hmac-md5', Key, SeqNum, Data) ->
crypto:hmac(md5, Key, [<<?UINT32(SeqNum)>>, Data]);
mac('hmac-md5-96', Key, SeqNum, Data) ->
- crypto:hmac(md5, Key, [<<?UINT32(SeqNum)>>, Data], mac_digest_size('hmac-md5-96')).
+ crypto:hmac(md5, Key, [<<?UINT32(SeqNum)>>, Data], mac_digest_size('hmac-md5-96'));
+mac('hmac-sha2-256', Key, SeqNum, Data) ->
+ crypto:hmac(sha256, Key, [<<?UINT32(SeqNum)>>, Data]).
%% return N hash bytes (HASH)
hash(SSH, Char, Bits) ->
@@ -911,12 +968,14 @@ mac_key_size('hmac-sha1') -> 20*8;
mac_key_size('hmac-sha1-96') -> 20*8;
mac_key_size('hmac-md5') -> 16*8;
mac_key_size('hmac-md5-96') -> 16*8;
+mac_key_size('hmac-sha2-256')-> 32*8;
mac_key_size(none) -> 0.
mac_digest_size('hmac-sha1') -> 20;
mac_digest_size('hmac-sha1-96') -> 12;
mac_digest_size('hmac-md5') -> 20;
mac_digest_size('hmac-md5-96') -> 12;
+mac_digest_size('hmac-sha2-256') -> 32;
mac_digest_size(none) -> 0.
peer_name({Host, _}) ->
diff --git a/lib/ssh/src/ssh_xfer.erl b/lib/ssh/src/ssh_xfer.erl
index 63d01fd9de..1881392db8 100644
--- a/lib/ssh/src/ssh_xfer.erl
+++ b/lib/ssh/src/ssh_xfer.erl
@@ -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
@@ -28,7 +28,7 @@
rename/5, remove/3, mkdir/4, rmdir/3, realpath/3, extended/4,
stat/4, fstat/4, lstat/4, setstat/4,
readlink/3, fsetstat/4, symlink/4,
- protocol_version_request/1,
+ protocol_version_request/2,
xf_reply/2,
xf_send_reply/3, xf_send_names/3, xf_send_name/4,
xf_send_status/3, xf_send_status/4, xf_send_status/5,
@@ -67,8 +67,8 @@ open_xfer(CM, Opts) ->
Error
end.
-protocol_version_request(XF) ->
- xf_request(XF, ?SSH_FXP_INIT, <<?UINT32(?SSH_SFTP_PROTOCOL_VERSION)>>).
+protocol_version_request(XF, Version) ->
+ xf_request(XF, ?SSH_FXP_INIT, <<?UINT32(Version)>>).
open(XF, ReqID, FileName, Access, Flags, Attrs) ->
Vsn = XF#ssh_xfer.vsn,
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-07 07:15:23 +0000