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-rw-r--r--lib/ssl/src/inet_ssl_dist.erl453
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diff --git a/lib/ssl/src/inet_ssl_dist.erl b/lib/ssl/src/inet_ssl_dist.erl
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index 42a03a4879..0000000000
--- a/lib/ssl/src/inet_ssl_dist.erl
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@@ -1,453 +0,0 @@
-%%
-%% %CopyrightBegin%
-%%
-%% Copyright Ericsson AB 2000-2011. 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
-%% compliance with the License. You should have received a copy of the
-%% Erlang Public License along with this software. If not, it can be
-%% retrieved online at http://www.erlang.org/.
-%%
-%% Software distributed under the License is distributed on an "AS IS"
-%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
-%% the License for the specific language governing rights and limitations
-%% under the License.
-%%
-%% %CopyrightEnd%
-%%
-
-%%
--module(inet_ssl_dist).
-
-%% Handles the connection setup phase with other Erlang nodes.
-
--export([childspecs/0, listen/1, accept/1, accept_connection/5,
- setup/5, close/1, select/1, is_node_name/1]).
-
-%% internal exports
-
--export([accept_loop/2,do_accept/6,do_setup/6, getstat/1,tick/1]).
-
--import(error_logger,[error_msg/2]).
-
--include_lib("kernel/include/net_address.hrl").
-
--define(to_port(Socket, Data, Opts),
- case ssl_prim:send(Socket, Data, Opts) of
- {error, closed} ->
- self() ! {ssl_closed, Socket},
- {error, closed};
- R ->
- R
- end).
-
--include_lib("kernel/include/dist.hrl").
--include_lib("kernel/include/dist_util.hrl").
-
-%% -------------------------------------------------------------
-%% This function should return a valid childspec, so that
-%% the primitive ssl_server gets supervised
-%% -------------------------------------------------------------
-childspecs() ->
- {ok, [{ssl_server_prim,{ssl_server, start_link_prim, []},
- permanent, 2000, worker, [ssl_server]}]}.
-
-
-%% ------------------------------------------------------------
-%% Select this protocol based on node name
-%% select(Node) => Bool
-%% ------------------------------------------------------------
-
-select(Node) ->
- case split_node(atom_to_list(Node), $@, []) of
- [_,_Host] -> true;
- _ -> false
- end.
-
-%% ------------------------------------------------------------
-%% Create the listen socket, i.e. the port that this erlang
-%% node is accessible through.
-%% ------------------------------------------------------------
-
-listen(Name) ->
- case ssl_prim:listen(0, [{active, false}, {packet,4}] ++
- get_ssl_options(server)) of
- {ok, Socket} ->
- TcpAddress = get_tcp_address(Socket),
- {_,Port} = TcpAddress#net_address.address,
- {ok, Creation} = erl_epmd:register_node(Name, Port),
- {ok, {Socket, TcpAddress, Creation}};
- Error ->
- Error
- end.
-
-%% ------------------------------------------------------------
-%% Accepts new connection attempts from other Erlang nodes.
-%% ------------------------------------------------------------
-
-accept(Listen) ->
- spawn_link(?MODULE, accept_loop, [self(), Listen]).
-
-accept_loop(Kernel, Listen) ->
- process_flag(priority, max),
- case ssl_prim:accept(Listen) of
- {ok, Socket} ->
- Kernel ! {accept,self(),Socket,inet,ssl},
- controller(Kernel, Socket),
- accept_loop(Kernel, Listen);
- Error ->
- exit(Error)
- end.
-
-controller(Kernel, Socket) ->
- receive
- {Kernel, controller, Pid} ->
- flush_controller(Pid, Socket),
- ssl_prim:controlling_process(Socket, Pid),
- flush_controller(Pid, Socket),
- Pid ! {self(), controller};
- {Kernel, unsupported_protocol} ->
- exit(unsupported_protocol)
- end.
-
-flush_controller(Pid, Socket) ->
- receive
- {ssl, Socket, Data} ->
- Pid ! {ssl, Socket, Data},
- flush_controller(Pid, Socket);
- {ssl_closed, Socket} ->
- Pid ! {ssl_closed, Socket},
- flush_controller(Pid, Socket)
- after 0 ->
- ok
- end.
-
-%% ------------------------------------------------------------
-%% Accepts a new connection attempt from another Erlang node.
-%% Performs the handshake with the other side.
-%% ------------------------------------------------------------
-
-accept_connection(AcceptPid, Socket, MyNode, Allowed, SetupTime) ->
- spawn_link(?MODULE, do_accept,
- [self(), AcceptPid, Socket, MyNode,
- Allowed, SetupTime]).
-
-%% Suppress dialyzer warning, we do not really care about old ssl code
-%% as we intend to remove it.
--spec(do_accept(_,_,_,_,_,_) -> no_return()).
-do_accept(Kernel, AcceptPid, Socket, MyNode, Allowed, SetupTime) ->
- process_flag(priority, max),
- receive
- {AcceptPid, controller} ->
- Timer = dist_util:start_timer(SetupTime),
- case check_ip(Socket) of
- true ->
- HSData = #hs_data{
- kernel_pid = Kernel,
- this_node = MyNode,
- socket = Socket,
- timer = Timer,
- this_flags = 0,
- allowed = Allowed,
- f_send = fun(S,D) -> ssl_prim:send(S,D) end,
- f_recv = fun(S,N,T) -> ssl_prim:recv(S,N,T)
- end,
- f_setopts_pre_nodeup =
- fun(S) ->
- ssl_prim:setopts(S,
- [{active, false}])
- end,
- f_setopts_post_nodeup =
- fun(S) ->
- ssl_prim:setopts(S,
- [{deliver, port},
- {active, true}])
- end,
- f_getll = fun(S) ->
- ssl_prim:getll(S)
- end,
- f_address = fun get_remote_id/2,
- mf_tick = fun ?MODULE:tick/1,
- mf_getstat = fun ?MODULE:getstat/1
- },
- dist_util:handshake_other_started(HSData);
- {false,IP} ->
- error_msg("** Connection attempt from "
- "disallowed IP ~w ** ~n", [IP]),
- ?shutdown(no_node)
- end
- end.
-
-%% ------------------------------------------------------------
-%% Get remote information about a Socket.
-%% ------------------------------------------------------------
-
-get_remote_id(Socket, Node) ->
- {ok, Address} = ssl_prim:peername(Socket),
- [_, Host] = split_node(atom_to_list(Node), $@, []),
- #net_address {
- address = Address,
- host = Host,
- protocol = ssl,
- family = inet }.
-
-%% ------------------------------------------------------------
-%% Setup a new connection to another Erlang node.
-%% Performs the handshake with the other side.
-%% ------------------------------------------------------------
-
-setup(Node, Type, MyNode, LongOrShortNames,SetupTime) ->
- spawn_link(?MODULE, do_setup, [self(),
- Node,
- Type,
- MyNode,
- LongOrShortNames,
- SetupTime]).
-
-%% Suppress dialyzer warning, we do not really care about old ssl code
-%% as we intend to remove it.
--spec(do_setup(_,_,_,_,_,_) -> no_return()).
-do_setup(Kernel, Node, Type, MyNode, LongOrShortNames,SetupTime) ->
- process_flag(priority, max),
- ?trace("~p~n",[{inet_ssl_dist,self(),setup,Node}]),
- [Name, Address] = splitnode(Node, LongOrShortNames),
- case inet:getaddr(Address, inet) of
- {ok, Ip} ->
- Timer = dist_util:start_timer(SetupTime),
- case erl_epmd:port_please(Name, Ip) of
- {port, TcpPort, Version} ->
- ?trace("port_please(~p) -> version ~p~n",
- [Node,Version]),
- dist_util:reset_timer(Timer),
- case ssl_prim:connect(Ip, TcpPort,
- [{active, false},
- {packet,4}] ++
- get_ssl_options(client)) of
- {ok, Socket} ->
- HSData = #hs_data{
- kernel_pid = Kernel,
- other_node = Node,
- this_node = MyNode,
- socket = Socket,
- timer = Timer,
- this_flags = 0,
- other_version = Version,
- f_send = fun(S,D) ->
- ssl_prim:send(S,D)
- end,
- f_recv = fun(S,N,T) ->
- ssl_prim:recv(S,N,T)
- end,
- f_setopts_pre_nodeup =
- fun(S) ->
- ssl_prim:setopts
- (S,
- [{active, false}])
- end,
- f_setopts_post_nodeup =
- fun(S) ->
- ssl_prim:setopts
- (S,
- [{deliver, port},{active, true}])
- end,
- f_getll = fun(S) ->
- ssl_prim:getll(S)
- end,
- f_address =
- fun(_,_) ->
- #net_address {
- address = {Ip,TcpPort},
- host = Address,
- protocol = ssl,
- family = inet}
- end,
- mf_tick = fun ?MODULE:tick/1,
- mf_getstat = fun ?MODULE:getstat/1,
- request_type = Type
- },
- dist_util:handshake_we_started(HSData);
- _ ->
- %% Other Node may have closed since
- %% port_please !
- ?trace("other node (~p) "
- "closed since port_please.~n",
- [Node]),
- ?shutdown(Node)
- end;
- _ ->
- ?trace("port_please (~p) "
- "failed.~n", [Node]),
- ?shutdown(Node)
- end;
- _Other ->
- ?trace("inet_getaddr(~p) "
- "failed (~p).~n", [Node,Other]),
- ?shutdown(Node)
- end.
-
-%%
-%% Close a socket.
-%%
-close(Socket) ->
- ssl_prim:close(Socket).
-
-
-%% If Node is illegal terminate the connection setup!!
-splitnode(Node, LongOrShortNames) ->
- case split_node(atom_to_list(Node), $@, []) of
- [Name|Tail] when Tail =/= [] ->
- Host = lists:append(Tail),
- case split_node(Host, $., []) of
- [_] when LongOrShortNames == longnames ->
- error_msg("** System running to use "
- "fully qualified "
- "hostnames **~n"
- "** Hostname ~s is illegal **~n",
- [Host]),
- ?shutdown(Node);
- [_, _ | _] when LongOrShortNames == shortnames ->
- error_msg("** System NOT running to use fully qualified "
- "hostnames **~n"
- "** Hostname ~s is illegal **~n",
- [Host]),
- ?shutdown(Node);
- _ ->
- [Name, Host]
- end;
- [_] ->
- error_msg("** Nodename ~p illegal, no '@' character **~n",
- [Node]),
- ?shutdown(Node);
- _ ->
- error_msg("** Nodename ~p illegal **~n", [Node]),
- ?shutdown(Node)
- end.
-
-split_node([Chr|T], Chr, Ack) -> [lists:reverse(Ack)|split_node(T, Chr, [])];
-split_node([H|T], Chr, Ack) -> split_node(T, Chr, [H|Ack]);
-split_node([], _, Ack) -> [lists:reverse(Ack)].
-
-%% ------------------------------------------------------------
-%% Fetch local information about a Socket.
-%% ------------------------------------------------------------
-get_tcp_address(Socket) ->
- {ok, Address} = ssl_prim:sockname(Socket),
- {ok, Host} = inet:gethostname(),
- #net_address {
- address = Address,
- host = Host,
- protocol = ssl,
- family = inet
- }.
-
-%% ------------------------------------------------------------
-%% Do only accept new connection attempts from nodes at our
-%% own LAN, if the check_ip environment parameter is true.
-%% ------------------------------------------------------------
-check_ip(Socket) ->
- case application:get_env(check_ip) of
- {ok, true} ->
- case get_ifs(Socket) of
- {ok, IFs, IP} ->
- check_ip(IFs, IP);
- _ ->
- ?shutdown(no_node)
- end;
- _ ->
- true
- end.
-
-get_ifs(Socket) ->
- case ssl_prim:peername(Socket) of
- {ok, {IP, _}} ->
- case ssl_prim:getif(Socket) of
- {ok, IFs} -> {ok, IFs, IP};
- Error -> Error
- end;
- Error ->
- Error
- end.
-
-check_ip([{OwnIP, _, Netmask}|IFs], PeerIP) ->
- case {mask(Netmask, PeerIP), mask(Netmask, OwnIP)} of
- {M, M} -> true;
- _ -> check_ip(IFs, PeerIP)
- end;
-check_ip([], PeerIP) ->
- {false, PeerIP}.
-
-mask({M1,M2,M3,M4}, {IP1,IP2,IP3,IP4}) ->
- {M1 band IP1,
- M2 band IP2,
- M3 band IP3,
- M4 band IP4}.
-
-is_node_name(Node) when is_atom(Node) ->
- case split_node(atom_to_list(Node), $@, []) of
- [_, _Host] -> true;
- _ -> false
- end;
-is_node_name(_Node) ->
- false.
-tick(Sock) ->
- ?to_port(Sock,[],[force]).
-getstat(Socket) ->
- case ssl_prim:getstat(Socket, [recv_cnt, send_cnt, send_pend]) of
- {ok, Stat} ->
- split_stat(Stat,0,0,0);
- Error ->
- Error
- end.
-
-split_stat([{recv_cnt, R}|Stat], _, W, P) ->
- split_stat(Stat, R, W, P);
-split_stat([{send_cnt, W}|Stat], R, _, P) ->
- split_stat(Stat, R, W, P);
-split_stat([{send_pend, P}|Stat], R, W, _) ->
- split_stat(Stat, R, W, P);
-split_stat([], R, W, P) ->
- {ok, R, W, P}.
-
-
-get_ssl_options(Type) ->
- case init:get_argument(ssl_dist_opt) of
- {ok, Args} ->
- ssl_options(Type, Args);
- _ ->
- []
- end.
-
-ssl_options(_,[]) ->
- [];
-ssl_options(server, [["server_certfile", Value]|T]) ->
- [{certfile, Value} | ssl_options(server,T)];
-ssl_options(client, [["client_certfile", Value]|T]) ->
- [{certfile, Value} | ssl_options(client,T)];
-ssl_options(server, [["server_cacertfile", Value]|T]) ->
- [{cacertfile, Value} | ssl_options(server,T)];
-ssl_options(server, [["server_keyfile", Value]|T]) ->
- [{keyfile, Value} | ssl_options(server,T)];
-ssl_options(Type, [["client_certfile", _Value]|T]) ->
- ssl_options(Type,T);
-ssl_options(Type, [["server_certfile", _Value]|T]) ->
- ssl_options(Type,T);
-ssl_options(Type, [[Item, Value]|T]) ->
- [{atomize(Item),fixup(Value)} | ssl_options(Type,T)];
-ssl_options(Type, [[Item,Value |T1]|T2]) ->
- ssl_options(atomize(Type),[[Item,Value],T1|T2]);
-ssl_options(_,_) ->
- exit(malformed_ssl_dist_opt).
-
-fixup(Value) ->
- case catch list_to_integer(Value) of
- {'EXIT',_} ->
- Value;
- Int ->
- Int
- end.
-
-atomize(List) when is_list(List) ->
- list_to_atom(List);
-atomize(Atom) when is_atom(Atom) ->
- Atom.
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