diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/ssh/src/Makefile | 1 | ||||
| -rw-r--r-- | lib/ssh/src/ssh_dbg.erl | 140 |
2 files changed, 141 insertions, 0 deletions
diff --git a/lib/ssh/src/Makefile b/lib/ssh/src/Makefile index b44c8eef35..d8e4bfd50c 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_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) + ] + ]. |