From 3715deff44f38aa35873106cd1f116c74c65040a Mon Sep 17 00:00:00 2001
From: Hans Nilsson <hans@erlang.org>
Date: Wed, 28 Feb 2018 16:47:20 +0100
Subject: ssh: Use the new ssh_dbg module

---
 lib/ssh/src/ssh_message.erl | 85 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 85 insertions(+)

(limited to 'lib/ssh/src/ssh_message.erl')

diff --git a/lib/ssh/src/ssh_message.erl b/lib/ssh/src/ssh_message.erl
index eb06f05a4a..a2251eab97 100644
--- a/lib/ssh/src/ssh_message.erl
+++ b/lib/ssh/src/ssh_message.erl
@@ -32,6 +32,8 @@
 
 -export([encode/1, decode/1, decode_keyboard_interactive_prompts/2]).
 
+-export([dbg_trace/3]).
+
 -define('2bin'(X), (if is_binary(X) -> X;
 		       is_list(X) -> list_to_binary(X);
 		       X==undefined -> <<>>
@@ -611,3 +613,86 @@ encode_signature({#'ECPoint'{}, {namedCurve,OID}}, _SigAlg, Signature) ->
     CurveName = public_key:oid2ssh_curvename(OID),
     <<?Ebinary(<<"ecdsa-sha2-",CurveName/binary>>), ?Ebinary(Signature)>>.
 
+%%%################################################################
+%%%#
+%%%# Tracing
+%%%#
+
+dbg_trace(points,         _,  _) -> [ssh_messages, raw_messages];
+
+dbg_trace(flags, ssh_messages, _) -> [c];
+dbg_trace(on,    ssh_messages, _) -> dbg:tp(?MODULE,encode,1,x),
+                                     dbg:tp(?MODULE,decode,1,x);
+dbg_trace(off,   ssh_messages, _) -> dbg:ctpg(?MODULE,encode,1),
+                                     dbg:ctpg(?MODULE,decode,1);
+
+dbg_trace(flags, raw_messages, A) -> dbg_trace(flags, ssh_messages, A);
+dbg_trace(on,    raw_messages, A) -> dbg_trace(on,    ssh_messages, A);
+dbg_trace(off,   raw_messages, A) -> dbg_trace(off,   ssh_messages, A);
+
+dbg_trace(format, ssh_messages, {call,{?MODULE,encode,[Msg]}}) ->
+    Name = string:to_upper(atom_to_list(element(1,Msg))),
+    ["Going to send ",Name,":\n",
+     wr_record(ssh_dbg:shrink_bin(Msg))
+    ];
+dbg_trace(format, ssh_messages, {return_from,{?MODULE,decode,1},Msg}) ->
+    Name = string:to_upper(atom_to_list(element(1,Msg))),
+    ["Received ",Name,":\n",
+     wr_record(ssh_dbg:shrink_bin(Msg))
+    ];
+
+dbg_trace(format, raw_messages, {call,{?MODULE,decode,[BytesPT]}}) ->
+    ["Received plain text bytes (shown after decryption):\n",
+     io_lib:format("~p",[BytesPT])
+    ];
+dbg_trace(format, raw_messages, {return_from,{?MODULE,encode,1},BytesPT}) ->
+    ["Going to send plain text bytes (shown before encryption):\n",
+     io_lib:format("~p",[BytesPT])
+    ].
+
+
+?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_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);
+?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]).
+
-- 
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