diff options
Diffstat (limited to 'lib/ssh/src')
| -rw-r--r-- | lib/ssh/src/Makefile | 1 | ||||
| -rw-r--r-- | lib/ssh/src/ssh.app.src | 1 | ||||
| -rw-r--r-- | lib/ssh/src/ssh_dbg.erl | 140 | ||||
| -rw-r--r-- | lib/ssh/src/ssh_info.erl | 341 |
4 files changed, 379 insertions, 104 deletions
diff --git a/lib/ssh/src/Makefile b/lib/ssh/src/Makefile index ecf165ed23..69d5a47f83 100644 --- a/lib/ssh/src/Makefile +++ b/lib/ssh/src/Makefile @@ -54,6 +54,7 @@ MODULES= \ ssh_connection_sup \ ssh_connection \ ssh_connection_handler \ + ssh_dbg \ ssh_shell \ ssh_system_sup \ ssh_subsystem_sup \ diff --git a/lib/ssh/src/ssh.app.src b/lib/ssh/src/ssh.app.src index 4a76fd9cd3..c67350bf72 100644 --- a/lib/ssh/src/ssh.app.src +++ b/lib/ssh/src/ssh.app.src @@ -18,6 +18,7 @@ ssh_connection_handler, ssh_connection_sup, ssh_daemon_channel, + ssh_dbg, ssh_shell, sshc_sup, sshd_sup, diff --git a/lib/ssh/src/ssh_dbg.erl b/lib/ssh/src/ssh_dbg.erl new file mode 100644 index 0000000000..fbf85cfcfc --- /dev/null +++ b/lib/ssh/src/ssh_dbg.erl @@ -0,0 +1,140 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 2004-2016. All Rights Reserved. +%% +%% Licensed under the Apache License, Version 2.0 (the "License"); +%% you may not use this file except in compliance with the License. +%% You may obtain a copy of the License at +%% +%% http://www.apache.org/licenses/LICENSE-2.0 +%% +%% Unless required by applicable law or agreed to in writing, software +%% distributed under the License is distributed on an "AS IS" BASIS, +%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +%% See the License for the specific language governing permissions and +%% limitations under the License. +%% +%% %CopyrightEnd% +%% + +%% + +-module(ssh_dbg). + +-export([messages/0, + messages/1 + ]). + +-include("ssh.hrl"). +-include("ssh_transport.hrl"). +-include("ssh_connect.hrl"). +-include("ssh_auth.hrl"). + +-record(data, { + writer, + acc = []}). +%%%================================================================ +messages() -> messages(fun(String,_D) -> io:format(String) end). +%% messages() -> messages(fun(String,Acc) -> [String|Acc] end) + +messages(Write) when is_function(Write,2) -> + catch dbg:start(), + + Handler = fun msg_formater/2, + InitialData = #data{writer = Write}, + {ok,_} = dbg:tracer(process, {Handler, InitialData}), + + dbg:p(new,c), + dbg:tp(ssh_message,encode,1, x), + dbg:tp(ssh_message,decode,1, x), + dbg:tpl(ssh_transport,select_algorithm,3, x). + +%%%================================================================ +msg_formater({trace,Pid,call,{ssh_message,encode,[Msg]}}, D) -> + fmt("~nSEND ~p ~s~n", [Pid,wr_record(shrink_bin(Msg))], D); + +msg_formater({trace,Pid,return_from,{ssh_message,decode,1},Msg}, D) -> + fmt("~nRECV ~p ~s~n", [Pid,wr_record(shrink_bin(Msg))], D); + +msg_formater({trace,Pid,return_from,{ssh_transport,select_algorithm,3},{ok,Alg}}, D) -> + fmt("~nALGORITHMS ~p~n~s~n", [Pid, wr_record(Alg)], D); + +msg_formater(_, D) -> + D. + + +fmt(Fmt, Args, D=#data{writer=Write,acc=Acc}) -> + D#data{acc = Write(io_lib:format(Fmt, Args), Acc)}. + +%%%---------------------------------------------------------------- +shrink_bin(B) when is_binary(B), size(B)>100 -> {'*** SHRINKED BIN',size(B),element(1,split_binary(B,20)),'***'}; +shrink_bin(L) when is_list(L) -> lists:map(fun shrink_bin/1, L); +shrink_bin(T) when is_tuple(T) -> list_to_tuple(shrink_bin(tuple_to_list(T))); +shrink_bin(X) -> X. + +%%%---------------------------------------------------------------- +-define(wr_record(N,BlackList), wr_record(R=#N{}) -> wr_record(R, record_info(fields,N), BlackList)). + +-define(wr_record(N), ?wr_record(N, [])). + + +?wr_record(alg); + +?wr_record(ssh_msg_disconnect); +?wr_record(ssh_msg_ignore); +?wr_record(ssh_msg_unimplemented); +?wr_record(ssh_msg_debug); +?wr_record(ssh_msg_service_request); +?wr_record(ssh_msg_service_accept); +?wr_record(ssh_msg_kexinit); +?wr_record(ssh_msg_kexdh_init); +?wr_record(ssh_msg_kexdh_reply); +?wr_record(ssh_msg_newkeys); +?wr_record(ssh_msg_kex_dh_gex_request); +?wr_record(ssh_msg_kex_dh_gex_request_old); +?wr_record(ssh_msg_kex_dh_gex_group); +?wr_record(ssh_msg_kex_dh_gex_init); +?wr_record(ssh_msg_kex_dh_gex_reply); +?wr_record(ssh_msg_kex_ecdh_init); +?wr_record(ssh_msg_kex_ecdh_reply); + +?wr_record(ssh_msg_userauth_request); +?wr_record(ssh_msg_userauth_failure); +?wr_record(ssh_msg_userauth_success); +?wr_record(ssh_msg_userauth_banner); +?wr_record(ssh_msg_userauth_passwd_changereq); +?wr_record(ssh_msg_userauth_pk_ok); +?wr_record(ssh_msg_userauth_info_request); +?wr_record(ssh_msg_userauth_info_response); + +?wr_record(ssh_msg_global_request); +?wr_record(ssh_msg_request_success); +?wr_record(ssh_msg_request_failure); +?wr_record(ssh_msg_channel_open); +?wr_record(ssh_msg_channel_open_confirmation); +?wr_record(ssh_msg_channel_open_failure); +?wr_record(ssh_msg_channel_window_adjust); +?wr_record(ssh_msg_channel_data); +?wr_record(ssh_msg_channel_extended_data); +?wr_record(ssh_msg_channel_eof); +?wr_record(ssh_msg_channel_close); +?wr_record(ssh_msg_channel_request); +?wr_record(ssh_msg_channel_success); +?wr_record(ssh_msg_channel_failure); + +wr_record(R) -> io_lib:format('~p~n',[R]). + + +wr_record(T, Fs, BL) when is_tuple(T) -> + wr_record(tuple_to_list(T), Fs, BL); +wr_record([Name|Values], Fields, BlackL) -> + W = case Fields of + [] -> 0; + _ -> lists:max([length(atom_to_list(F)) || F<-Fields]) + end, + [io_lib:format("~p:~n",[string:to_upper(atom_to_list(Name))]) + | [io_lib:format(" ~*p: ~p~n",[W,Tag,Value]) || {Tag,Value} <- lists:zip(Fields,Values), + not lists:member(Tag,BlackL) + ] + ]. diff --git a/lib/ssh/src/ssh_info.erl b/lib/ssh/src/ssh_info.erl index 4e6e25bc70..67130d5eac 100644 --- a/lib/ssh/src/ssh_info.erl +++ b/lib/ssh/src/ssh_info.erl @@ -25,132 +25,174 @@ -module(ssh_info). --compile(export_all). +-export([print/0, + print/1, + string/0, + collect_pids/0 + ]). + +-include("ssh_connect.hrl"). print() -> - print(user). + io:format("~s", [string()]). +print(File) when is_list(File) -> + {ok,D} = file:open(File, write), + print(D), + file:close(D); print(D) -> + io:format(D, "~s", [string()]). + +string() -> try supervisor:which_children(ssh_sup) of _ -> - io:nl(D), - print_general(D), - io:nl(D), - underline(D, "Client part", $=), - print_clients(D), - io:nl(D), - underline(D, "Server part", $=), - print_servers(D), - io:nl(D), - %% case os:type() of - %% {unix,_} -> - %% io:nl(), - %% underline("Linux part", $=), - %% underline("Listening"), - %% catch io:format(os:cmd("netstat -tpln")), - %% io:nl(), - %% underline("Other"), - %% catch io:format(os:cmd("netstat -tpn")); - %% _ -> ok - %% end, - underline(D, "Supervisors", $=), - walk_sups(D, ssh_sup), - io:nl(D) + [io_lib:nl(), + print_general(), + io_lib:nl(), + underline("Client part", $=), + print_clients(), + io_lib:nl(), + underline("Server part", $=), + print_servers(), + io_lib:nl(), + underline("Supervisors", $=), + walk_sups(ssh_sup), + io_lib:nl()] catch _:_ -> - io:format(D,"Ssh not found~n",[]) + io_lib:format("Ssh not found~n",[]) end. + %%%================================================================ -print_general(D) -> +-define(INDENT, " "). + +print_general() -> {_Name, Slogan, Ver} = lists:keyfind(ssh,1,application:which_applications()), - underline(D, io_lib:format("~s ~s", [Slogan, Ver]), $=), - io:format(D, 'This printout is generated ~s. ~n',[datetime()]). + [underline(io_lib:format("~s ~s", [Slogan, Ver]), $=), + io_lib:format('This printout is generated ~s. ~n',[datetime()]) + ]. -%%%================================================================ -print_clients(D) -> - PrintClient = fun(X) -> print_client(D,X) end, +print_clients() -> try - lists:foreach(PrintClient, supervisor:which_children(sshc_sup)) + lists:map(fun print_client/1, + supervisor:which_children(sshc_sup)) catch C:E -> - io:format(D, '***FAILED: ~p:~p~n',[C,E]) + io_lib:format('***print_clients FAILED: ~p:~p~n',[C,E]) end. -print_client(D, {undefined,Pid,supervisor,[ssh_connection_handler]}) -> +print_client({undefined,Pid,supervisor,[ssh_connection_handler]}) -> {{Local,Remote},_Str} = ssh_connection_handler:get_print_info(Pid), - io:format(D, " Local=~s Remote=~s ConnectionRef=~p~n",[fmt_host_port(Local),fmt_host_port(Remote),Pid]); -print_client(D, Other) -> - io:format(D, " [[Other 1: ~p]]~n",[Other]). + [io_lib:format(?INDENT"Local: ~s Remote: ~s ConnectionRef = ~p~n", + [fmt_host_port(Local), fmt_host_port(Remote), Pid]), + case channels(Pid) of + {ok,Channels=[_|_]} -> + [print_ch(ChPid) || #channel{user=ChPid} <- Channels]; + _ -> + io_lib:format(?INDENT?INDENT?INDENT"No channels~n",[]) + end]; + +print_client(Other) -> + io_lib:format(" [[Other 1: ~p]]~n",[Other]). %%%================================================================ -print_servers(D) -> - PrintServer = fun(X) -> print_server(D,X) end, +print_servers() -> try - lists:foreach(PrintServer, supervisor:which_children(sshd_sup)) + lists:map(fun print_server/1, + supervisor:which_children(sshd_sup)) catch C:E -> - io:format(D, '***FAILED: ~p:~p~n',[C,E]) + io_lib:format('***print_servers FAILED: ~p:~p~n',[C,E]) end. -print_server(D, {{server,ssh_system_sup,LocalHost,LocalPort},Pid,supervisor,[ssh_system_sup]}) when is_pid(Pid) -> - io:format(D, 'Local=~s (~p children)~n',[fmt_host_port({LocalHost,LocalPort}), - ssh_acceptor:number_of_connections(Pid)]), - PrintSystemSup = fun(X) -> print_system_sup(D,X) end, - lists:foreach(PrintSystemSup, supervisor:which_children(Pid)); -print_server(D, Other) -> - io:format(D, " [[Other 2: ~p]]~n",[Other]). - -print_system_sup(D, {Ref,Pid,supervisor,[ssh_subsystem_sup]}) when is_reference(Ref), + +print_server({{server,ssh_system_sup,LocalHost,LocalPort,Profile},Pid,supervisor,[ssh_system_sup]}) when is_pid(Pid) -> + Children = supervisor:which_children(Pid), + [io_lib:format(?INDENT"Listen: ~s (~p children) Profile ~p",[fmt_host_port({LocalHost,LocalPort}), + ssh_acceptor:number_of_connections(Pid), + Profile]), + case [AccPid + || {{ssh_acceptor_sup,_LocalHost,_LocalPort,_Profile}, AccPid, supervisor, [ssh_acceptor_sup]} + <- Children] of + AcceptorPids = [_|_] -> + [io_lib:format(" [Acceptor Pid", []), + [io_lib:format(" ~p",[AccPid]) || AccPid <- AcceptorPids], + io_lib:format("]~n", []) + ]; + [] -> + io_lib:nl() + end, + lists:map(fun print_system_sup/1, + supervisor:which_children(Pid)) + ]. + + +print_system_sup({Ref,Pid,supervisor,[ssh_subsystem_sup]}) when is_reference(Ref), is_pid(Pid) -> - PrintChannels = fun(X) -> print_channels(D,X) end, - lists:foreach(PrintChannels, supervisor:which_children(Pid)); -print_system_sup(D, {{ssh_acceptor_sup,LocalHost,LocalPort}, Pid,supervisor, [ssh_acceptor_sup]}) when is_pid(Pid) -> - io:format(D, " [Acceptor for ~s]~n",[fmt_host_port({LocalHost,LocalPort})]); -print_system_sup(D, Other) -> - io:format(D, " [[Other 3: ~p]]~n",[Other]). - -print_channels(D, {{server,ssh_channel_sup,_,_},Pid,supervisor,[ssh_channel_sup]}) when is_pid(Pid) -> - PrintChannel = fun(X) -> print_channel(D,X) end, - lists:foreach(PrintChannel, supervisor:which_children(Pid)); -print_channels(D, Other) -> - io:format(D, " [[Other 4: ~p]]~n",[Other]). - - -print_channel(D, {Ref,Pid,worker,[ssh_channel]}) when is_reference(Ref), - is_pid(Pid) -> - {{ConnManager,ChannelID}, Str} = ssh_channel:get_print_info(Pid), - {{Local,Remote},StrM} = ssh_connection_handler:get_print_info(ConnManager), - io:format(D, ' ch ~p: ~s ~s',[ChannelID, StrM, Str]), - io:format(D, " Local=~s Remote=~s~n",[fmt_host_port(Local),fmt_host_port(Remote)]); -print_channel(D, Other) -> - io:format(D, " [[Other 5: ~p]]~n",[Other]). - + lists:map(fun print_channels/1, + supervisor:which_children(Pid)); + +print_system_sup({{ssh_acceptor_sup,_LocalHost,_LocalPort,_Profile}, Pid, supervisor, [ssh_acceptor_sup]}) when is_pid(Pid) -> + []. + + + +print_channels({{server,ssh_channel_sup,_,_},Pid,supervisor,[ssh_channel_sup]}) when is_pid(Pid) -> + Children = supervisor:which_children(Pid), + ChannelPids = [P || {R,P,worker,[ssh_channel]} <- Children, + is_pid(P), + is_reference(R)], + case ChannelPids of + [] -> io_lib:format(?INDENT?INDENT"No channels~n",[]); + [Ch1Pid|_] -> + {{ConnManager,_}, _Str} = ssh_channel:get_print_info(Ch1Pid), + {{_,Remote},_} = ssh_connection_handler:get_print_info(ConnManager), + [io_lib:format(?INDENT?INDENT"Remote: ~s ConnectionRef = ~p~n",[fmt_host_port(Remote),ConnManager]), + lists:map(fun print_ch/1, ChannelPids) + ] + end; +print_channels({{server,ssh_connection_sup,_,_},Pid,supervisor,[ssh_connection_sup]}) when is_pid(Pid) -> + []. % The supervisor of the connections socket owning process + +print_ch(Pid) -> + try + {{ConnManager,ChannelID}, Str} = ssh_channel:get_print_info(Pid), + {_LocalRemote,StrM} = ssh_connection_handler:get_print_info(ConnManager), + io_lib:format(?INDENT?INDENT?INDENT"ch ~p ~p: ~s ~s~n",[ChannelID, Pid, StrM, Str]) + catch + C:E -> + io_lib:format('****print_ch FAILED for ChanPid ~p: ~p:~p~n',[Pid, C, E]) + end. + + %%%================================================================ -define(inc(N), (N+4)). -walk_sups(D, StartPid) -> - io:format(D, "Start at ~p, ~s.~n",[StartPid,dead_or_alive(StartPid)]), - walk_sups(D, children(StartPid), _Indent=?inc(0)). +walk_sups(StartPid) -> + io_lib:format("Start at ~p, ~s.~n",[StartPid,dead_or_alive(StartPid)]), + walk_sups(children(StartPid), _Indent=?inc(0)). -walk_sups(D, [H={_,Pid,_,_}|T], Indent) -> - indent(D, Indent), io:format(D, '~200p ~p is ~s~n',[H,Pid,dead_or_alive(Pid)]), - case H of - {_,_,supervisor,[ssh_connection_handler]} -> ok; - {_,Pid,supervisor,_} -> walk_sups(D, children(Pid), ?inc(Indent)); - _ -> ok - end, - walk_sups(D, T, Indent); -walk_sups(_D, [], _) -> - ok. +walk_sups([H={_,Pid,_,_}|T], Indent) -> + [indent(Indent), + io_lib:format('~200p ~p is ~s~n',[H,Pid,dead_or_alive(Pid)]), + case H of + {_,_,supervisor,[ssh_connection_handler]} -> ""; + {_,Pid,supervisor,_} -> walk_sups(children(Pid), ?inc(Indent)); + _ -> "" + end, + walk_sups(T, Indent) + ]; +walk_sups([], _) -> + "". dead_or_alive(Name) when is_atom(Name) -> case whereis(Name) of - undefined -> + undefined -> "**UNDEFINED**"; - Pid -> + Pid -> dead_or_alive(Pid) end; dead_or_alive(Pid) when is_pid(Pid) -> @@ -159,7 +201,8 @@ dead_or_alive(Pid) when is_pid(Pid) -> _ -> "alive" end. -indent(D, I) -> io:format(D,'~*c',[I,$ ]). +indent(I) -> io_lib:format('~*c',[I,$ ]). + children(Pid) -> Parent = self(), @@ -170,23 +213,39 @@ children(Pid) -> {Helper,L} when is_list(L) -> L after - 2000 -> + 2000 -> catch exit(Helper, kill), [] end. -%%%================================================================ -underline(D, Str) -> - underline(D, Str, $-). +is_connection_handler(Pid) -> + try + {ssh_connection_handler,init,_} = + proplists:get_value( + '$initial_call', + proplists:get_value( + dictionary, + process_info(Pid, [dictionary]))) + of + _ -> true -underline(D, Str, LineChar) -> - Len = lists:flatlength(Str), - io:format(D, '~s~n',[Str]), - line(D,Len,LineChar). + catch + _:_ -> + false + end. + +channels(Pid) -> + case is_connection_handler(Pid) of + true -> + ssh_connection_handler:info(Pid,all); + false -> + false + end. + +%%%================================================================ +underline(Str, LineChar) -> + io_lib:format('~s~n~*c~n',[Str, lists:flatlength(Str), LineChar]). -line(D, Len, Char) -> - io:format(D, '~*c~n', [Len,Char]). - datetime() -> {{YYYY,MM,DD}, {H,M,S}} = calendar:now_to_universal_time(erlang:timestamp()), @@ -196,8 +255,82 @@ datetime() -> fmt_host_port({{A,B,C,D},Port}) -> io_lib:format('~p.~p.~p.~p:~p',[A,B,C,D,Port]); fmt_host_port({Host,Port}) -> io_lib:format('~s:~p',[Host,Port]). +%%%################################################################ +collect_pids() -> collect_pids(ssh_sup). + +collect_pids(P) -> + Collector = pcollect_pids(P, spawn(fun init_collector/0)), + Collector ! {get_values,self()}, + receive + {values,Values} -> + Values + end. + +%%%---------------- +pcollect_pids(undefined, Collector) -> + Collector; + +pcollect_pids(A, Collector) when is_atom(A) -> + pcollect_pids(whereis(A), Collector); + +pcollect_pids(Pid, Collector) when is_pid(Pid) -> + Collector ! {expect,Pid}, + spawn(fun() -> + lists:foreach( + fun(P2) -> + pcollect_pids(P2,Collector) + end, children(Pid)), + Collector ! {value,Pid,Pid} + end), + Collector; +pcollect_pids({Ref,Pid,supervisor,_}, Collector) when is_pid(Pid), + is_reference(Ref) -> + pcollect_pids(Pid, Collector); -nyi(D) -> - io:format(D,'Not yet implemented~n',[]), - nyi. +pcollect_pids({sshc_sup,Pid,supervisor,_}, Collector) when is_pid(Pid) -> + pcollect_pids(Pid, Collector); + +pcollect_pids({sshd_sup,Pid,supervisor,_}, Collector) when is_pid(Pid) -> + pcollect_pids(Pid, Collector); + +pcollect_pids({{ssh_acceptor_sup,_,_,_},Pid,supervisor,_}, Collector) when is_pid(Pid) -> + pcollect_pids(Pid, Collector); + +pcollect_pids({{server,_,_,_},Pid,supervisor,_}, Collector) when is_pid(Pid) -> + pcollect_pids(Pid, Collector); + +pcollect_pids({{server,_,_,_,_},Pid,supervisor,_}, Collector) when is_pid(Pid) -> + pcollect_pids(Pid, Collector); + +pcollect_pids({undefined,Pid,supervisor,[ssh_connection_handler]}, Collector) -> + Collector ! {value,Pid,Pid}, + case channels(Pid) of + {ok,L} -> + [Collector!{value,P,P} || #channel{user=P} <- L]; + _ -> + ok + end, + Collector; + +pcollect_pids({_,Pid,_,_}, Collector) when is_pid(Pid) -> + Collector ! {value,Pid,Pid}, + Collector; + +pcollect_pids(_, Collector) -> + Collector. + +%%%---------------- +init_collector() -> + loop_collector([],[]). + +loop_collector(Expects, Values) -> + receive + {expect, Ref} -> + loop_collector([Ref|Expects], Values); + {value, Ref, Val} -> + loop_collector(Expects--[Ref], [Val|Values]); + {get_values, From} when Expects==[] -> +%% Values=/=[] -> + From ! {values,Values} + end. |