diff options
Diffstat (limited to 'lib/ssh/src/ssh_connection_handler.erl')
-rw-r--r-- | lib/ssh/src/ssh_connection_handler.erl | 124 |
1 files changed, 61 insertions, 63 deletions
diff --git a/lib/ssh/src/ssh_connection_handler.erl b/lib/ssh/src/ssh_connection_handler.erl index dcf509ca09..706b68d78b 100644 --- a/lib/ssh/src/ssh_connection_handler.erl +++ b/lib/ssh/src/ssh_connection_handler.erl @@ -76,7 +76,7 @@ %%-------------------------------------------------------------------- -spec start_link(role(), inet:socket(), - proplists:proplist() + ssh_options:options() ) -> {ok, pid()}. %% . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . start_link(Role, Socket, Options) -> @@ -99,12 +99,10 @@ stop(ConnectionHandler)-> %% Internal application API %%==================================================================== --define(DefaultTransport, {tcp, gen_tcp, tcp_closed} ). - %%-------------------------------------------------------------------- -spec start_connection(role(), inet:socket(), - proplists:proplist(), + ssh_options:options(), timeout() ) -> {ok, connection_ref()} | {error, term()}. %% . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . @@ -121,9 +119,8 @@ start_connection(client = Role, Socket, Options, Timeout) -> end; start_connection(server = Role, Socket, Options, Timeout) -> - SSH_Opts = proplists:get_value(ssh_opts, Options, []), try - case proplists:get_value(parallel_login, SSH_Opts, false) of + case ?GET_OPT(parallel_login, Options) of true -> HandshakerPid = spawn_link(fun() -> @@ -346,7 +343,7 @@ renegotiate_data(ConnectionHandler) -> | undefined, last_size_rekey = 0 :: non_neg_integer(), event_queue = [] :: list(), - opts :: proplists:proplist(), + opts :: ssh_options:options(), inet_initial_recbuf_size :: pos_integer() | undefined }). @@ -357,15 +354,14 @@ renegotiate_data(ConnectionHandler) -> %%-------------------------------------------------------------------- -spec init_connection_handler(role(), inet:socket(), - proplists:proplist() + ssh_options:options() ) -> no_return(). %% . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . init_connection_handler(Role, Socket, Opts) -> process_flag(trap_exit, true), S0 = init_process_state(Role, Socket, Opts), try - {Protocol, Callback, CloseTag} = - proplists:get_value(transport, Opts, ?DefaultTransport), + {Protocol, Callback, CloseTag} = ?GET_OPT(transport, Opts), S0#data{ssh_params = init_ssh_record(Role, Socket, Opts), transport_protocol = Protocol, transport_cb = Callback, @@ -393,7 +389,7 @@ init_process_state(Role, Socket, Opts) -> port_bindings = [], requests = [], options = Opts}, - starter = proplists:get_value(user_pid, Opts), + starter = ?GET_INTERNAL_OPT(user_pid, Opts), socket = Socket, opts = Opts }, @@ -409,13 +405,18 @@ init_process_state(Role, Socket, Opts) -> init_connection(server, C = #connection{}, Opts) -> - Sups = proplists:get_value(supervisors, Opts), - SystemSup = proplists:get_value(system_sup, Sups), - SubSystemSup = proplists:get_value(subsystem_sup, Sups), + Sups = ?GET_INTERNAL_OPT(supervisors, Opts), + + SystemSup = proplists:get_value(system_sup, Sups), + SubSystemSup = proplists:get_value(subsystem_sup, Sups), ConnectionSup = proplists:get_value(connection_sup, Sups), - Shell = proplists:get_value(shell, Opts), - Exec = proplists:get_value(exec, Opts), - CliSpec = proplists:get_value(ssh_cli, Opts, {ssh_cli, [Shell]}), + + Shell = ?GET_OPT(shell, Opts), + Exec = ?GET_OPT(exec, Opts), + CliSpec = case ?GET_OPT(ssh_cli, Opts) of + undefined -> {ssh_cli, [Shell]}; + Spec -> Spec + end, C#connection{cli_spec = CliSpec, exec = Exec, system_supervisor = SystemSup, @@ -426,41 +427,38 @@ init_connection(server, C = #connection{}, Opts) -> init_ssh_record(Role, Socket, Opts) -> {ok, PeerAddr} = inet:peername(Socket), - KeyCb = proplists:get_value(key_cb, Opts, ssh_file), - AuthMethods = proplists:get_value(auth_methods, - Opts, - case Role of - server -> ?SUPPORTED_AUTH_METHODS; - client -> undefined - end), + KeyCb = ?GET_OPT(key_cb, Opts), + AuthMethods = + case Role of + server -> ?GET_OPT(auth_methods, Opts); + client -> undefined + end, S0 = #ssh{role = Role, key_cb = KeyCb, opts = Opts, userauth_supported_methods = AuthMethods, available_host_keys = supported_host_keys(Role, KeyCb, Opts), - random_length_padding = proplists:get_value(max_random_length_padding, - Opts, - (#ssh{})#ssh.random_length_padding) + random_length_padding = ?GET_OPT(max_random_length_padding, Opts) }, {Vsn, Version} = ssh_transport:versions(Role, Opts), case Role of client -> - PeerName = proplists:get_value(host, Opts), + PeerName = ?GET_INTERNAL_OPT(host, Opts), S0#ssh{c_vsn = Vsn, c_version = Version, - io_cb = case proplists:get_value(user_interaction, Opts, true) of + io_cb = case ?GET_OPT(user_interaction, Opts) of true -> ssh_io; false -> ssh_no_io end, - userauth_quiet_mode = proplists:get_value(quiet_mode, Opts, false), + userauth_quiet_mode = ?GET_OPT(quiet_mode, Opts), peer = {PeerName, PeerAddr} }; server -> S0#ssh{s_vsn = Vsn, s_version = Version, - io_cb = proplists:get_value(io_cb, Opts, ssh_io), + io_cb = ?GET_INTERNAL_OPT(io_cb, Opts, ssh_io), userauth_methods = string:tokens(AuthMethods, ","), kb_tries_left = 3, peer = {undefined, PeerAddr} @@ -849,14 +847,12 @@ handle_event(_, Msg = #ssh_msg_userauth_failure{}, {userauth_keyboard_interactiv handle_event(_, Msg=#ssh_msg_userauth_failure{}, {userauth_keyboard_interactive_info_response, client}, #data{ssh_params = Ssh0} = D0) -> Opts = Ssh0#ssh.opts, - D = case proplists:get_value(password, Opts) of + D = case ?GET_OPT(password, Opts) of undefined -> D0; _ -> D0#data{ssh_params = - Ssh0#ssh{opts = - lists:keyreplace(password,1,Opts, - {password,not_ok})}} % FIXME:intermodule dependency + Ssh0#ssh{opts = ?PUT_OPT({password,not_ok}, Opts)}} % FIXME:intermodule dependency end, {next_state, {userauth,client}, D, [{next_event, internal, Msg}]}; @@ -954,7 +950,7 @@ handle_event(cast, renegotiate, _, _) -> handle_event(cast, data_size, {connected,Role}, D) -> {ok, [{send_oct,Sent0}]} = inet:getstat(D#data.socket, [send_oct]), Sent = Sent0 - D#data.last_size_rekey, - MaxSent = proplists:get_value(rekey_limit, D#data.opts, 1024000000), + MaxSent = ?GET_OPT(rekey_limit, D#data.opts), timer:apply_after(?REKEY_DATA_TIMOUT, gen_statem, cast, [self(), data_size]), case Sent >= MaxSent of true -> @@ -1294,11 +1290,12 @@ handle_event(info, UnexpectedMessage, StateName, D = #data{ssh_params = Ssh}) -> "Unexpected message '~p' received in state '~p'\n" "Role: ~p\n" "Peer: ~p\n" - "Local Address: ~p\n", [UnexpectedMessage, - StateName, - Ssh#ssh.role, - Ssh#ssh.peer, - proplists:get_value(address, Ssh#ssh.opts)])), + "Local Address: ~p\n", + [UnexpectedMessage, + StateName, + Ssh#ssh.role, + Ssh#ssh.peer, + ?GET_INTERNAL_OPT(address, Ssh#ssh.opts)])), error_logger:info_report(Msg), keep_state_and_data; @@ -1312,11 +1309,12 @@ handle_event(info, UnexpectedMessage, StateName, D = #data{ssh_params = Ssh}) -> "Message: ~p\n" "Role: ~p\n" "Peer: ~p\n" - "Local Address: ~p\n", [Other, - UnexpectedMessage, - Ssh#ssh.role, - element(2,Ssh#ssh.peer), - proplists:get_value(address, Ssh#ssh.opts)] + "Local Address: ~p\n", + [Other, + UnexpectedMessage, + Ssh#ssh.role, + element(2,Ssh#ssh.peer), + ?GET_INTERNAL_OPT(address, Ssh#ssh.opts)] )), error_logger:error_report(Msg), keep_state_and_data @@ -1438,11 +1436,11 @@ code_change(_OldVsn, StateName, State, _Extra) -> %%-------------------------------------------------------------------- %% Starting -start_the_connection_child(UserPid, Role, Socket, Options) -> - Sups = proplists:get_value(supervisors, Options), +start_the_connection_child(UserPid, Role, Socket, Options0) -> + Sups = ?GET_INTERNAL_OPT(supervisors, Options0), 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]), + Options = ?PUT_INTERNAL_OPT({user_pid,UserPid}, Options0), + {ok, Pid} = ssh_connection_sup:start_child(ConnectionSup, [Role, Socket, Options]), ok = socket_control(Socket, Pid, Options), Pid. @@ -1499,7 +1497,7 @@ supported_host_keys(server, KeyCb, Options) -> find_sup_hkeys(Options) -> case proplists:get_value(public_key, - proplists:get_value(preferred_algorithms,Options,[]) + ?GET_OPT(preferred_algorithms,Options) ) of undefined -> @@ -1512,9 +1510,10 @@ find_sup_hkeys(Options) -> %% Alg :: atom() -available_host_key(KeyCb, Alg, Opts) -> - element(1, catch KeyCb:host_key(Alg, Opts)) == ok. - +available_host_key({KeyCb,KeyCbOpts}, Alg, Opts) -> + UserOpts = ?GET_OPT(user_options, Opts), + element(1, + catch KeyCb:host_key(Alg, [{key_cb_private,KeyCbOpts}|UserOpts])) == ok. send_msg(Msg, State=#data{ssh_params=Ssh0}) when is_tuple(Msg) -> {Bytes, Ssh} = ssh_transport:ssh_packet(Msg, Ssh0), @@ -1773,7 +1772,7 @@ get_repl(X, Acc) -> disconnect_fun({disconnect,Msg}, D) -> disconnect_fun(Msg, D); disconnect_fun(Reason, #data{opts=Opts}) -> - case proplists:get_value(disconnectfun, Opts) of + case ?GET_OPT(disconnectfun, Opts) of undefined -> ok; Fun -> @@ -1783,7 +1782,7 @@ disconnect_fun(Reason, #data{opts=Opts}) -> unexpected_fun(UnexpectedMessage, #data{opts = Opts, ssh_params = #ssh{peer = {_,Peer} } } ) -> - case proplists:get_value(unexpectedfun, Opts) of + case ?GET_OPT(unexpectedfun, Opts) of undefined -> report; Fun -> @@ -1795,7 +1794,7 @@ debug_fun(#ssh_msg_debug{always_display = Display, message = DbgMsg, language = Lang}, #data{opts = Opts}) -> - case proplists:get_value(ssh_msg_debug_fun, Opts) of + case ?GET_OPT(ssh_msg_debug_fun, Opts) of undefined -> ok; Fun -> @@ -1805,7 +1804,7 @@ debug_fun(#ssh_msg_debug{always_display = Display, connected_fun(User, Method, #data{ssh_params = #ssh{peer = {_,Peer}}, opts = Opts}) -> - case proplists:get_value(connectfun, Opts) of + case ?GET_OPT(connectfun, Opts) of undefined -> ok; Fun -> @@ -1824,7 +1823,7 @@ retry_fun(User, Reason, #data{ssh_params = #ssh{opts = Opts, _ -> {infofun, Reason} end, - Fun = proplists:get_value(Tag, Opts, fun(_,_)-> ok end), + Fun = ?GET_OPT(Tag, Opts), try erlang:fun_info(Fun, arity) of {arity, 2} -> %% Backwards compatible @@ -1843,7 +1842,7 @@ retry_fun(User, Reason, #data{ssh_params = #ssh{opts = Opts, %%% channels open for a while. cache_init_idle_timer(D) -> - case proplists:get_value(idle_time, D#data.opts, infinity) of + case ?GET_OPT(idle_time, D#data.opts) of infinity -> D#data{idle_timer_value = infinity, idle_timer_ref = infinity % A flag used later... @@ -1906,9 +1905,8 @@ start_channel_request_timer(Channel, From, Time) -> %%% Connection start and initalization helpers socket_control(Socket, Pid, Options) -> - {_, TransportCallback, _} = % For example {_,gen_tcp,_} - proplists:get_value(transport, Options, ?DefaultTransport), - case TransportCallback:controlling_process(Socket, Pid) of + {_, Callback, _} = ?GET_OPT(transport, Options), + case Callback:controlling_process(Socket, Pid) of ok -> gen_statem:cast(Pid, socket_control); {error, Reason} -> |