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-rw-r--r--lib/ssh/src/ssh_connect.hrl2
-rw-r--r--lib/ssh/src/ssh_connection.erl133
-rw-r--r--lib/ssh/src/ssh_connection_handler.erl51
3 files changed, 3 insertions, 183 deletions
diff --git a/lib/ssh/src/ssh_connect.hrl b/lib/ssh/src/ssh_connect.hrl
index 47a166dcfd..4fb6bc39f3 100644
--- a/lib/ssh/src/ssh_connect.hrl
+++ b/lib/ssh/src/ssh_connect.hrl
@@ -243,7 +243,7 @@
-record(channel,
{
- type, %% "session", "x11", "forwarded-tcpip", "direct-tcpip"
+ type, %% "session"
sys, %% "none", "shell", "exec" "subsystem"
user, %% "user" process id (default to cm user)
flow_control,
diff --git a/lib/ssh/src/ssh_connection.erl b/lib/ssh/src/ssh_connection.erl
index 25d552240a..d0f2d54c06 100644
--- a/lib/ssh/src/ssh_connection.erl
+++ b/lib/ssh/src/ssh_connection.erl
@@ -38,8 +38,7 @@
%% Potential API currently unsupported and not tested
-export([window_change/4, window_change/6,
- direct_tcpip/6, direct_tcpip/8, tcpip_forward/3,
- cancel_tcpip_forward/3, signal/3, exit_status/3]).
+ signal/3, exit_status/3]).
%% Internal application API
-export([channel_data/5, handle_msg/3, channel_eof_msg/1,
@@ -48,7 +47,7 @@
channel_adjust_window_msg/2, channel_data_msg/3,
channel_open_msg/5, channel_open_confirmation_msg/4,
channel_open_failure_msg/4, channel_request_msg/4,
- global_request_msg/3, request_failure_msg/0,
+ request_failure_msg/0,
request_success_msg/1, bind/4, unbind/3, unbind_channel/2,
bound_channel/3, encode_ip/1]).
@@ -232,58 +231,6 @@ exit_status(ConnectionHandler, Channel, Status) ->
ssh_connection_handler:request(ConnectionHandler, Channel,
"exit-status", false, [?uint32(Status)], 0).
-%% The client wants the server to make a tcp connection on behalf of
-%% the client
-direct_tcpip(ConnectionHandler, RemoteHost,
- RemotePort, OrigIP, OrigPort, Timeout) ->
- direct_tcpip(ConnectionHandler, RemoteHost, RemotePort, OrigIP, OrigPort,
- ?DEFAULT_WINDOW_SIZE, ?DEFAULT_PACKET_SIZE, Timeout).
-
-direct_tcpip(ConnectionHandler, RemoteIP, RemotePort, OrigIP, OrigPort,
- InitialWindowSize, MaxPacketSize, Timeout) ->
- case {encode_ip(RemoteIP), encode_ip(OrigIP)} of
- {false, _} ->
- {error, einval};
- {_, false} ->
- {error, einval};
- {RIP, OIP} ->
- ssh_connection_handler:open_channel(ConnectionHandler,
- "direct-tcpip",
- [?string(RIP),
- ?uint32(RemotePort),
- ?string(OIP),
- ?uint32(OrigPort)],
- InitialWindowSize,
- MaxPacketSize,
- Timeout)
- end.
-
-%% The client wants the server to listen on BindIP:BindPort for tcp
-%% connections. When there is a tcp connect (SYN) to that pair on the
-%% server, the server sends a #ssh_msg_channel_open{"forwarded-tcpip"}
-%% back to the client for each new tcp connection
-tcpip_forward(ConnectionHandler, BindIP, BindPort) ->
- case encode_ip(BindIP) of
- false ->
- {error, einval};
- IPStr ->
- ssh_connection_handler:global_request(ConnectionHandler,
- "tcpip-forward", true,
- [?string(IPStr),
- ?uint32(BindPort)])
- end.
-
-cancel_tcpip_forward(ConnectionHandler, BindIP, Port) ->
- case encode_ip(BindIP) of
- false ->
- {error, einval};
- IPStr ->
- ssh_connection_handler:global_request(ConnectionHandler,
- "cancel-tcpip-forward", true,
- [?string(IPStr),
- ?uint32(Port)])
- end.
-
%%--------------------------------------------------------------------
%%% Internal API
%%--------------------------------------------------------------------
@@ -504,73 +451,6 @@ handle_msg(#ssh_msg_channel_open{channel_type = "session",
{{replies, [{connection_reply, FailMsg}]},
Connection};
-handle_msg(#ssh_msg_channel_open{channel_type = "forwarded-tcpip" = Type,
- sender_channel = RemoteId,
- initial_window_size = RWindowSz,
- maximum_packet_size = RPacketSz,
- data = Data},
- #connection{channel_cache = Cache, options = SSHopts} = Connection0,
- server) ->
- <<?UINT32(ALen), Address:ALen/binary, ?UINT32(Port),
- ?UINT32(OLen), Orig:OLen/binary, ?UINT32(OrigPort)>> = Data,
-
- MinAcceptedPackSz = proplists:get_value(minimal_remote_max_packet_size, SSHopts, 0),
-
- if
- MinAcceptedPackSz =< RPacketSz ->
- case bound_channel(Address, Port, Connection0) of
- undefined ->
- FailMsg = channel_open_failure_msg(RemoteId,
- ?SSH_OPEN_CONNECT_FAILED,
- "Connection refused", "en"),
- {{replies,
- [{connection_reply, FailMsg}]}, Connection0};
- ChannelPid ->
- {ChannelId, Connection1} = new_channel_id(Connection0),
- LWindowSz = ?DEFAULT_WINDOW_SIZE,
- LPacketSz = ?DEFAULT_PACKET_SIZE,
- Channel = #channel{type = Type,
- sys = "none",
- user = ChannelPid,
- local_id = ChannelId,
- recv_window_size = LWindowSz,
- recv_packet_size = LPacketSz,
- send_window_size = RWindowSz,
- send_packet_size = RPacketSz,
- send_buf = queue:new()
- },
- ssh_channel:cache_update(Cache, Channel),
- OpenConfMsg = channel_open_confirmation_msg(RemoteId, ChannelId,
- LWindowSz, LPacketSz),
- {OpenMsg, Connection} =
- reply_msg(Channel, Connection1,
- {open, Channel, {forwarded_tcpip,
- decode_ip(Address), Port,
- decode_ip(Orig), OrigPort}}),
- {{replies, [{connection_reply, OpenConfMsg},
- OpenMsg]}, Connection}
- end;
-
- MinAcceptedPackSz > RPacketSz ->
- FailMsg = channel_open_failure_msg(RemoteId,
- ?SSH_OPEN_ADMINISTRATIVELY_PROHIBITED,
- lists:concat(["Maximum packet size below ",MinAcceptedPackSz,
- " not supported"]), "en"),
- {{replies, [{connection_reply, FailMsg}]}, Connection0}
- end;
-
-
-handle_msg(#ssh_msg_channel_open{channel_type = "forwarded-tcpip",
- sender_channel = RemoteId},
- Connection, client) ->
- %% Client implementations SHOULD reject direct TCP/IP open requests for
- %% security reasons. See RFC 4254 7.2.
- FailMsg = channel_open_failure_msg(RemoteId,
- ?SSH_OPEN_CONNECT_FAILED,
- "Connection refused", "en"),
- {{replies, [{connection_reply, FailMsg}]}, Connection};
-
-
handle_msg(#ssh_msg_channel_open{sender_channel = RemoteId}, Connection, _) ->
FailMsg = channel_open_failure_msg(RemoteId,
?SSH_OPEN_ADMINISTRATIVELY_PROHIBITED,
@@ -881,10 +761,6 @@ channel_request_msg(ChannelId, Type, WantReply, Data) ->
want_reply = WantReply,
data = Data}.
-global_request_msg(Type, WantReply, Data) ->
- #ssh_msg_global_request{name = Type,
- want_reply = WantReply,
- data = Data}.
request_failure_msg() ->
#ssh_msg_request_failure{}.
@@ -1346,11 +1222,6 @@ decode_pty_opts2(<<Code, ?UINT32(Value), Tail/binary>>) ->
end,
[{Op, Value} | decode_pty_opts2(Tail)].
-decode_ip(Addr) when is_binary(Addr) ->
- case inet_parse:address(binary_to_list(Addr)) of
- {error,_} -> Addr;
- {ok,A} -> A
- end.
backwards_compatible([], Acc) ->
Acc;
diff --git a/lib/ssh/src/ssh_connection_handler.erl b/lib/ssh/src/ssh_connection_handler.erl
index e5229eb954..0327a72c12 100644
--- a/lib/ssh/src/ssh_connection_handler.erl
+++ b/lib/ssh/src/ssh_connection_handler.erl
@@ -49,7 +49,6 @@
open_channel/6,
request/6, request/7,
reply_request/3,
- global_request/4,
send/5,
send_eof/2,
info/1, info/2,
@@ -217,23 +216,6 @@ reply_request(ConnectionHandler, Status, ChannelId) ->
cast(ConnectionHandler, {reply_request, Status, ChannelId}).
%%--------------------------------------------------------------------
--spec global_request(connection_ref(),
- string(),
- boolean(),
- iolist()
- ) -> ok | error.
-%% . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
-global_request(ConnectionHandler, Type, true = Reply, Data) ->
- case call(ConnectionHandler, {global_request, self(), Type, Reply, Data}) of
- {ssh_cm, ConnectionHandler, {success, _}} ->
- ok;
- {ssh_cm, ConnectionHandler, {failure, _}} ->
- error
- end;
-global_request(ConnectionHandler, Type, false = Reply, Data) ->
- cast(ConnectionHandler, {global_request, self(), Type, Reply, Data}).
-
-%%--------------------------------------------------------------------
-spec send(connection_ref(),
channel_id(),
non_neg_integer(),
@@ -1078,12 +1060,6 @@ handle_event({call,From}, {request, ChannelId, Type, Data, Timeout}, {connected,
start_channel_request_timer(ChannelId, From, Timeout),
{keep_state, cache_request_idle_timer_check(D)};
-handle_event({call,From}, {global_request, Pid, _, _, _} = Request, {connected,_}, D0) ->
- D1 = handle_global_request(Request, D0),
- Channel = ssh_channel:cache_find(Pid, cache(D1)),
- D = add_request(true, Channel#channel.local_id, From, D1),
- {keep_state, D};
-
handle_event({call,From}, {data, ChannelId, Type, Data, Timeout}, {connected,_}, D0) ->
{{replies, Replies}, Connection} =
ssh_connection:channel_data(ChannelId, Type, Data, D0#data.connection_state, From),
@@ -1628,33 +1604,6 @@ handle_request(ChannelId, Type, Data, WantReply, From, D) ->
end.
%%%----------------------------------------------------------------
-handle_global_request({global_request, ChannelPid,
- "tcpip-forward" = Type, WantReply,
- <<?UINT32(IPLen),IP:IPLen/binary, ?UINT32(Port)>> = Data
- },
- D) ->
- ssh_channel:cache_update(cache(D),
- #channel{user = ChannelPid,
- type = "forwarded-tcpip",
- sys = none}),
- Connection = ssh_connection:bind(IP, Port, ChannelPid, D#data.connection_state),
- Msg = ssh_connection:global_request_msg(Type, WantReply, Data),
- send_msg(Msg, D#data{connection_state = Connection});
-
-handle_global_request({global_request, _Pid, "cancel-tcpip-forward" = Type,
- WantReply, <<?UINT32(IPLen),
- IP:IPLen/binary, ?UINT32(Port)>> = Data},
- #data{connection_state = Connection0} = State) ->
- Connection = ssh_connection:unbind(IP, Port, Connection0),
- Msg = ssh_connection:global_request_msg(Type, WantReply, Data),
- send_msg(Msg, State#data{connection_state = Connection});
-
-handle_global_request({global_request, _, "cancel-tcpip-forward" = Type,
- WantReply, Data}, State) ->
- Msg = ssh_connection:global_request_msg(Type, WantReply, Data),
- send_msg(Msg, State).
-
-%%%----------------------------------------------------------------
handle_channel_down(ChannelPid, D) ->
ssh_channel:cache_foldl(
fun(Channel, Acc) when Channel#channel.user == ChannelPid ->
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-15 05:45:35 +0000