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-rw-r--r--lib/ssh/src/ssh_dbg.erl191
1 files changed, 143 insertions, 48 deletions
diff --git a/lib/ssh/src/ssh_dbg.erl b/lib/ssh/src/ssh_dbg.erl
index 251741da7e..3f742ad9b6 100644
--- a/lib/ssh/src/ssh_dbg.erl
+++ b/lib/ssh/src/ssh_dbg.erl
@@ -22,9 +22,8 @@
-module(ssh_dbg).
--export([messages/0,
- messages/1,
- messages/2,
+-export([messages/0, messages/1, messages/2, messages/3,
+ auth/0, auth/1, auth/2, auth/3,
stop/0
]).
@@ -36,98 +35,193 @@
-include("ssh_connect.hrl").
-include("ssh_auth.hrl").
--record(data, {
- writer,
- acc = []}).
%%%================================================================
-messages() ->
- messages(fun(String,_D) -> io:format(String) end).
+messages() -> start(msg).
+messages(F) -> start(msg,F).
+messages(F,X) -> start(msg,F,X).
+messages(F,M,I) -> start(msg,F,M,I).
-messages(Write) when is_function(Write,2) ->
- messages(Write, fun(X) -> X end).
+auth() -> start(auth).
+auth(F) -> start(auth,F).
+auth(F,X) -> start(auth,F,X).
+auth(F,M,I) -> start(auth,F,M,I).
-messages(Write, MangleArg) when is_function(Write,2),
- is_function(MangleArg,1) ->
- catch dbg:start(),
- setup_tracer(Write, MangleArg),
- dbg:p(new,[c,timestamp]),
- dbg_ssh_messages().
+stop() -> dbg:stop().
-dbg_ssh_messages() ->
+%%%----------------------------------------------------------------
+start(Type) -> start(Type, fun io:format/2).
+
+start(Type, F) when is_function(F,2) -> start(Type, fmt_fun(F));
+start(Type, F) when is_function(F,3) -> start(Type, F, id_fun()).
+
+start(Type, WriteFun, MangleArgFun) when is_function(WriteFun, 3),
+ is_function(MangleArgFun, 1) ->
+ start(Type, WriteFun, MangleArgFun, []);
+start(Type, WriteFun, InitValue) ->
+ start(Type, WriteFun, id_fun(), InitValue).
+
+start(Type, WriteFun, MangleArgFun, InitValue) when is_function(WriteFun, 3),
+ is_function(MangleArgFun, 1) ->
+ cond_start(Type, WriteFun, MangleArgFun, InitValue),
+ dbg_ssh(Type).
+
+%%%----------------------------------------------------------------
+fmt_fun(F) -> fun(Fmt,Args,Data) -> F(Fmt,Args), Data end.
+
+id_fun() -> fun(X) -> X end.
+
+%%%----------------------------------------------------------------
+dbg_ssh(msg) ->
+ dbg_ssh(auth),
dbg:tp(ssh_message,encode,1, x),
dbg:tp(ssh_message,decode,1, x),
- dbg:tpl(ssh_transport,select_algorithm,3, x),
+ dbg:tpl(ssh_transport,select_algorithm,4, x),
dbg:tp(ssh_transport,hello_version_msg,1, x),
- dbg:tp(ssh_transport,handle_hello_version,1, x).
+ dbg:tp(ssh_transport,handle_hello_version,1, x),
+ dbg:tpl(ssh_connection_handler,ext_info,2, x);
+
+dbg_ssh(auth) ->
+ dbg:tp(ssh_transport,hello_version_msg,1, x),
+ dbg:tp(ssh_transport,handle_hello_version,1, x),
+ dbg:tp(ssh_message,encode,1, x),
+ dbg:tpl(ssh_transport,select_algorithm,4, x),
+ dbg:tpl(ssh_connection_handler,ext_info,2, x),
+ lists:foreach(fun(F) -> dbg:tp(ssh_auth, F, x) end,
+ [publickey_msg, password_msg, keyboard_interactive_msg]).
-%%%----------------------------------------------------------------
-stop() ->
- dbg:stop().
-
%%%================================================================
-msg_formater({trace_ts,Pid,call,{ssh_message,encode,[Msg]},TS}, D) ->
+cond_start(Type, WriteFun, MangleArgFun, Init) ->
+ try
+ dbg:start(),
+ setup_tracer(Type, WriteFun, MangleArgFun, Init),
+ dbg:p(new,[c,timestamp])
+ catch
+ _:_ -> ok
+ end.
+
+
+msg_formater(msg, {trace_ts,Pid,call,{ssh_message,encode,[Msg]},TS}, D) ->
fmt("~n~s SEND ~p ~s~n", [ts(TS),Pid,wr_record(shrink_bin(Msg))], D);
-msg_formater({trace_ts,_Pid,return_from,{ssh_message,encode,1},_Res,_TS}, D) ->
+msg_formater(msg, {trace_ts,_Pid,return_from,{ssh_message,encode,1},_Res,_TS}, D) ->
D;
-msg_formater({trace_ts,_Pid,call,{ssh_message,decode,_},_TS}, D) ->
+msg_formater(msg, {trace_ts,_Pid,call,{ssh_message,decode,_},_TS}, D) ->
D;
-msg_formater({trace_ts,Pid,return_from,{ssh_message,decode,1},Msg,TS}, D) ->
+msg_formater(msg, {trace_ts,Pid,return_from,{ssh_message,decode,1},Msg,TS}, D) ->
fmt("~n~s ~p RECV ~s~n", [ts(TS),Pid,wr_record(shrink_bin(Msg))], D);
+
+msg_formater(auth, {trace_ts,Pid,return_from,{ssh_message,decode,1},#ssh_msg_userauth_failure{authentications=As},TS}, D) ->
+ fmt("~n~s ~p Client login FAILURE. Try ~s~n", [ts(TS),Pid,As], D);
-msg_formater({trace_ts,_Pid,call,{ssh_transport,select_algorithm,_},_TS}, D) ->
+msg_formater(auth, {trace_ts,Pid,return_from,{ssh_message,decode,1},#ssh_msg_userauth_success{},TS}, D) ->
+ fmt("~n~s ~p Client login SUCCESS~n", [ts(TS),Pid], D);
+
+
+msg_formater(_, {trace_ts,_Pid,call,{ssh_transport,select_algorithm,_},_TS}, D) ->
D;
-msg_formater({trace_ts,Pid,return_from,{ssh_transport,select_algorithm,3},{ok,Alg},TS}, D) ->
+msg_formater(_, {trace_ts,Pid,return_from,{ssh_transport,select_algorithm,_},{ok,Alg},TS}, D) ->
fmt("~n~s ~p ALGORITHMS~n~s~n", [ts(TS),Pid, wr_record(Alg)], D);
-msg_formater({trace_ts,_Pid,call,{ssh_transport,hello_version_msg,_},_TS}, D) ->
+msg_formater(_, {trace_ts,_Pid,call,{ssh_transport,hello_version_msg,_},_TS}, D) ->
D;
-msg_formater({trace_ts,Pid,return_from,{ssh_transport,hello_version_msg,1},Hello,TS}, D) ->
+msg_formater(_, {trace_ts,Pid,return_from,{ssh_transport,hello_version_msg,1},Hello,TS}, D) ->
fmt("~n~s ~p TCP SEND HELLO~n ~p~n", [ts(TS),Pid,lists:flatten(Hello)], D);
-msg_formater({trace_ts,Pid,call,{ssh_transport,handle_hello_version,[Hello]},TS}, D) ->
+msg_formater(_, {trace_ts,Pid,call,{ssh_transport,handle_hello_version,[Hello]},TS}, D) ->
fmt("~n~s ~p RECV HELLO~n ~p~n", [ts(TS),Pid,lists:flatten(Hello)], D);
-msg_formater({trace_ts,_Pid,return_from,{ssh_transport,handle_hello_version,1},_,_TS}, D) ->
+msg_formater(_, {trace_ts,_Pid,return_from,{ssh_transport,handle_hello_version,1},_,_TS}, D) ->
D;
-msg_formater({trace_ts,Pid,send,{tcp,Sock,Bytes},Pid,TS}, D) ->
+msg_formater(_, {trace_ts,Pid,call,{ssh_connection_handler,ext_info,[{"server-sig-algs",SigAlgs},State]},TS}, D) ->
+ try lists:keyfind(ssh, 1, tuple_to_list(State)) of
+ false ->
+ D;
+ #ssh{userauth_pubkeys = PKs} ->
+ fmt("~n~s ~p Client got suggestion to use user public key sig-algs~n ~p~n and can use~n ~p~n",
+ [ts(TS),Pid,string:tokens(SigAlgs,","),PKs], D)
+ catch
+ _:_ ->
+ D
+ end;
+
+msg_formater(_, {trace_ts,Pid,return_from,{ssh_connection_handler,ext_info,2},State,TS}, D) ->
+ try lists:keyfind(ssh, 1, tuple_to_list(State)) of
+ false ->
+ D;
+ #ssh{userauth_pubkeys = PKs} ->
+ fmt("~n~s ~p Client will try user public key sig-algs~n ~p~n", [ts(TS),Pid,PKs], D)
+ catch
+ _:_ ->
+ D
+ end;
+
+msg_formater(_, {trace_ts,Pid,call,{ssh_auth,publickey_msg,[[SigAlg,#ssh{user=User}]]},TS}, D) ->
+ fmt("~n~s ~p Client will try to login user ~p with public key algorithm ~p~n", [ts(TS),Pid,User,SigAlg], D);
+msg_formater(_, {trace_ts,Pid,return_from,{ssh_auth,publickey_msg,1},{not_ok,#ssh{user=User}},TS}, D) ->
+ fmt("~s ~p User ~p can't login with that kind of public key~n", [ts(TS),Pid,User], D);
+
+msg_formater(_, {trace_ts,Pid,call,{ssh_auth,password_msg,[[#ssh{user=User}]]},TS}, D) ->
+ fmt("~n~s ~p Client will try to login user ~p with password~n", [ts(TS),Pid,User], D);
+msg_formater(_, {trace_ts,Pid,return_from,{ssh_auth,password_msg,1},{not_ok,#ssh{user=User}},TS}, D) ->
+ fmt("~s ~p User ~p can't login with password~n", [ts(TS),Pid,User], D);
+
+msg_formater(_, {trace_ts,Pid,call,{ssh_auth,keyboard_interactive_msg,[[#ssh{user=User}]]},TS}, D) ->
+ fmt("~n~s ~p Client will try to login user ~p with password~n", [ts(TS),Pid,User], D);
+msg_formater(_, {trace_ts,Pid,return_from,{ssh_auth,keyboard_interactive_msg,1},{not_ok,#ssh{user=User}},TS}, D) ->
+ fmt("~s ~p User ~p can't login with keyboard_interactive password~n", [ts(TS),Pid,User], D);
+
+msg_formater(msg, {trace_ts,Pid,send,{tcp,Sock,Bytes},Pid,TS}, D) ->
fmt("~n~s ~p TCP SEND on ~p~n ~p~n", [ts(TS),Pid,Sock, shrink_bin(Bytes)], D);
-msg_formater({trace_ts,Pid,send,{tcp,Sock,Bytes},Dest,TS}, D) ->
+msg_formater(msg, {trace_ts,Pid,send,{tcp,Sock,Bytes},Dest,TS}, D) ->
fmt("~n~s ~p TCP SEND from ~p TO ~p~n ~p~n", [ts(TS),Pid,Sock,Dest, shrink_bin(Bytes)], D);
-msg_formater({trace_ts,Pid,send,ErlangMsg,Dest,TS}, D) ->
+msg_formater(msg, {trace_ts,Pid,send,ErlangMsg,Dest,TS}, D) ->
fmt("~n~s ~p ERL MSG SEND TO ~p~n ~p~n", [ts(TS),Pid,Dest, shrink_bin(ErlangMsg)], D);
-msg_formater({trace_ts,Pid,'receive',{tcp,Sock,Bytes},TS}, D) ->
+msg_formater(msg, {trace_ts,Pid,'receive',{tcp,Sock,Bytes},TS}, D) ->
fmt("~n~s ~p TCP RECEIVE on ~p~n ~p~n", [ts(TS),Pid,Sock,shrink_bin(Bytes)], D);
-msg_formater({trace_ts,Pid,'receive',ErlangMsg,TS}, D) ->
+msg_formater(msg, {trace_ts,Pid,'receive',ErlangMsg,TS}, D) ->
fmt("~n~s ~p ERL MSG RECEIVE~n ~p~n", [ts(TS),Pid,shrink_bin(ErlangMsg)], D);
-msg_formater(M, D) ->
- fmt("~nDBG ~n~p~n", [shrink_bin(M)], D).
+%% msg_formater(_, {trace_ts,_Pid,return_from,MFA,_Ret,_TS}=M, D) ->
+%% case lists:member(MFA, [{ssh_auth,keyboard_interactive_msg,1},
+%% {ssh_auth,password_msg,1},
+%% {ssh_auth,publickey_msg,1}]) of
+%% true ->
+%% D;
+%% false ->
+%% fmt("~nDBG ~n~p~n", [shrink_bin(M)], D)
+%% end;
+
+%% msg_formater(_, M, D) ->
+%% fmt("~nDBG ~n~p~n", [shrink_bin(M)], D).
-%% msg_formater(_, D) ->
-%% D.
+msg_formater(_, _, D) ->
+ D.
+%%%----------------------------------------------------------------
+-record(data, {writer,
+ acc}).
-fmt(Fmt, Args, D=#data{writer=Write,acc=Acc}) ->
- D#data{acc = Write(io_lib:format(Fmt, Args), Acc)}.
+fmt(Fmt, Args, D=#data{writer=Write, acc=Acc}) ->
+ D#data{acc = Write(Fmt,Args,Acc)}.
ts({_,_,Usec}=Now) ->
{_Date,{HH,MM,SS}} = calendar:now_to_local_time(Now),
io_lib:format("~.2.0w:~.2.0w:~.2.0w.~.6.0w",[HH,MM,SS,Usec]);
ts(_) ->
"-".
-%%%----------------------------------------------------------------
-setup_tracer(Write, MangleArg) ->
+
+setup_tracer(Type, WriteFun, MangleArgFun, Init) ->
Handler = fun(Arg, D) ->
- msg_formater(MangleArg(Arg), D)
+ msg_formater(Type, MangleArgFun(Arg), D)
end,
- InitialData = #data{writer = Write},
+ InitialData = #data{writer = WriteFun,
+ acc = Init},
{ok,_} = dbg:tracer(process, {Handler, InitialData}),
ok.
@@ -160,6 +254,7 @@ shrink_bin(X) -> X.
?wr_record(ssh_msg_kexdh_init);
?wr_record(ssh_msg_kexdh_reply);
?wr_record(ssh_msg_newkeys);
+?wr_record(ssh_msg_ext_info);
?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);
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-29 02:52:52 +0000