Merge branch 'maint'

6 files changed, 127 insertions, 49 deletions

diff --git a/lib/ssh/src/Makefile b/lib/ssh/src/Makefile
index 69d5a47f83..7ab6f22424 100644
--- a/lib/ssh/src/Makefile
+++ b/lib/ssh/src/Makefile
@@ -96,7 +96,7 @@ APP_TARGET= $(EBIN)/$(APP_FILE)
 APPUP_SRC= $(APPUP_FILE).src
 APPUP_TARGET= $(EBIN)/$(APPUP_FILE)
 
-INTERNAL_HRL_FILES = ssh_auth.hrl ssh_connect.hrl ssh_transport.hrl ssh.hrl ssh_userauth.hrl ssh_xfer.hrl
+INTERNAL_HRL_FILES = ssh_auth.hrl ssh_connect.hrl ssh_transport.hrl ssh.hrl ssh_userauth.hrl ssh_xfer.hrl ssh_dbg.hrl
 
 # ----------------------------------------------------
 # FLAGS
diff --git a/lib/ssh/src/ssh_connection_handler.erl b/lib/ssh/src/ssh_connection_handler.erl
index dd414894d4..7451c9e6d0 100644
--- a/lib/ssh/src/ssh_connection_handler.erl
+++ b/lib/ssh/src/ssh_connection_handler.erl
@@ -928,6 +928,7 @@ handle_event(internal, Msg=#ssh_msg_channel_request{},           StateName, D) -
     handle_connection_msg(Msg, StateName, D);
 
 handle_event(internal, Msg=#ssh_msg_channel_success{},           StateName, D) ->
+    update_inet_buffers(D#data.socket),
     handle_connection_msg(Msg, StateName, D);
 
 handle_event(internal, Msg=#ssh_msg_channel_failure{},           StateName, D) ->
@@ -1007,6 +1008,7 @@ handle_event(cast, {reply_request,success,ChannelId}, {connected,_}, D) ->
     case ssh_channel:cache_lookup(cache(D), ChannelId) of
 	#channel{remote_id = RemoteId} ->
 	    Msg = ssh_connection:channel_success_msg(RemoteId),
+	    update_inet_buffers(D#data.socket),
 	    {keep_state, send_msg(Msg,D)};
 
 	undefined ->
@@ -1194,12 +1196,12 @@ handle_event(info, {Proto, Sock, NewData}, StateName, D0 = #data{socket = Sock,
 		ssh_message:decode(set_kex_overload_prefix(DecryptedBytes,D))
 	    of
 		Msg = #ssh_msg_kexinit{} ->
-		    {keep_state, D, [{next_event, internal, {Msg,DecryptedBytes}},
-				     {next_event, internal, prepare_next_packet}
+		    {keep_state, D, [{next_event, internal, prepare_next_packet},
+				     {next_event, internal, {Msg,DecryptedBytes}}
 				    ]};
 		Msg ->
-		    {keep_state, D, [{next_event, internal, Msg},
-				     {next_event, internal, prepare_next_packet}
+		    {keep_state, D, [{next_event, internal, prepare_next_packet},
+				     {next_event, internal, Msg}
 				    ]}
 	    catch
 		_C:_E  ->
@@ -1738,6 +1740,11 @@ send_replies(Repls, State) ->
 		Repls).
 
 get_repl({connection_reply,Msg}, {CallRepls,S}) ->
+    if is_record(Msg, ssh_msg_channel_success) ->
+	    update_inet_buffers(S#data.socket);
+       true ->
+	    ok
+    end,
     {CallRepls, send_msg(Msg,S)};
 get_repl({channel_data,undefined,_Data}, Acc) ->
     Acc;
@@ -1926,3 +1933,13 @@ handshake(Pid, Ref, Timeout) ->
 	    {error, timeout}
     end.
 
+update_inet_buffers(Socket) ->
+    {ok, BufSzs0} = inet:getopts(Socket, [sndbuf,recbuf]),
+    MinVal = 655360,
+    case
+	[{Tag,MinVal} || {Tag,Val} <- BufSzs0,
+			 Val < MinVal]
+    of
+	[] -> ok;
+	NewOpts -> inet:setopts(Socket, NewOpts)
+    end.
diff --git a/lib/ssh/src/ssh_dbg.erl b/lib/ssh/src/ssh_dbg.erl
index ce5596e0f9..dff2bae9f2 100644
--- a/lib/ssh/src/ssh_dbg.erl
+++ b/lib/ssh/src/ssh_dbg.erl
@@ -28,6 +28,9 @@
 	 stop/0
 	]).
 
+-export([shrink_bin/1,
+	 wr_record/3]).
+
 -include("ssh.hrl").
 -include("ssh_transport.hrl").
 -include("ssh_connect.hrl").
diff --git a/lib/ssh/src/ssh_dbg.hrl b/lib/ssh/src/ssh_dbg.hrl
new file mode 100644
index 0000000000..e94664737b
--- /dev/null
+++ b/lib/ssh/src/ssh_dbg.hrl
@@ -0,0 +1,27 @@
+%%
+%% %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%
+%%
+
+-ifndef(SSH_DBG_HRL).
+-define(SSH_DBG_HRL, 1).
+
+-define(formatrec(RecName,R),
+	ssh_dbg:wr_record(R, record_info(fields,RecName), [])).
+
+-endif. % SSH_DBG_HRL defined
diff --git a/lib/ssh/test/ssh_connection_SUITE.erl b/lib/ssh/test/ssh_connection_SUITE.erl
index bcf3b01824..e898d55b6f 100644
--- a/lib/ssh/test/ssh_connection_SUITE.erl
+++ b/lib/ssh/test/ssh_connection_SUITE.erl
@@ -381,13 +381,13 @@ do_interrupted_send(Config, SendSize, EchoSize) ->
 					     {password, "morot"},
 					     {subsystems, [{"echo_n",EchoSS_spec}]}]),
     
-    ct:log("connect", []),
+    ct:log("~p:~p connect", [?MODULE,?LINE]),
     ConnectionRef = ssh_test_lib:connect(Host, Port, [{silently_accept_hosts, true},
 						      {user, "foo"},
 						      {password, "morot"},
 						      {user_interaction, false},
 						      {user_dir, UserDir}]),
-    ct:log("connected", []),
+    ct:log("~p:~p connected", [?MODULE,?LINE]),
 
     %% build big binary
     Data = << <<X:32>> || X <- lists:seq(1,SendSize div 4)>>,
@@ -399,9 +399,9 @@ do_interrupted_send(Config, SendSize, EchoSize) ->
     Parent = self(),
     ResultPid = spawn(
 		  fun() ->
-			  ct:log("open channel",[]),
+			  ct:log("~p:~p open channel",[?MODULE,?LINE]),
 			  {ok, ChannelId} = ssh_connection:session_channel(ConnectionRef, infinity),
-			  ct:log("start subsystem", []),
+			  ct:log("~p:~p start subsystem", [?MODULE,?LINE]),
 			  case ssh_connection:subsystem(ConnectionRef, ChannelId, "echo_n", infinity) of
 			      success ->
 				  Parent ! {self(), channelId, ChannelId},
@@ -410,47 +410,69 @@ do_interrupted_send(Config, SendSize, EchoSize) ->
 				      try collect_data(ConnectionRef, ChannelId)
 				      of
 					  ExpectedData -> 
+					      ct:log("~p:~p got expected data",[?MODULE,?LINE]),
 					      ok;
-					  _ ->
-					      {fail,"unexpected result"}
+					  Other ->
+					      ct:log("~p:~p unexpect: ~p", [?MODULE,?LINE,Other]),
+					      {fail,"unexpected result in listener"}
 				      catch
 					  Class:Exception ->
-					      {fail, io_lib:format("Exception ~p:~p",[Class,Exception])}
+					      {fail, io_lib:format("Listener exception ~p:~p",[Class,Exception])}
 				      end,
-				  Parent ! {self(), Result};
+				  Parent ! {self(), result, Result};
 			      Other ->
 				  Parent ! {self(), channelId, error, Other}
 			  end
 		  end),
     
     receive
+	{ResultPid, channelId, error, Other} ->
+	    ct:log("~p:~p channelId error ~p", [?MODULE,?LINE,Other]),
+	    ssh:close(ConnectionRef),
+	    ssh:stop_daemon(Pid),
+	    {fail, "ssh_connection:subsystem"};
+
 	{ResultPid, channelId, ChannelId} ->
-	    %% pre-adjust receive window so the other end doesn't block
-	    ct:log("adjust window", []),
-	    ssh_connection:adjust_window(ConnectionRef, ChannelId, size(ExpectedData) + 1),
-
-	    ct:log("going to send ~p bytes", [size(Data)]),
-	    case ssh_connection:send(ConnectionRef, ChannelId, Data, 30000) of
-		{error, closed} ->
-		    ct:log("{error,closed} - That's what we expect :)", []),
-		    ok;
-		Msg ->
-		    ct:log("Got ~p - that's bad, very bad indeed",[Msg]),
-		    ct:fail({expected,{error,closed}, got, Msg})
-	    end,
-	    ct:log("going to check the result (if it is available)", []),
+	    ct:log("~p:~p ~p going to send ~p bytes", [?MODULE,?LINE,self(),size(Data)]),
+	    SenderPid = spawn(fun() ->
+				      Parent ! {self(),  ssh_connection:send(ConnectionRef, ChannelId, Data, 30000)}
+			      end),
 	    receive
-		{ResultPid, Result} ->
-		    ct:log("Got result: ~p", [Result]),
+	    	{ResultPid, result, {fail, Fail}} ->
+		    ct:log("~p:~p Listener failed: ~p", [?MODULE,?LINE,Fail]),
+		    {fail, Fail};
+
+		{ResultPid, result, Result} ->
+		    ct:log("~p:~p Got result: ~p", [?MODULE,?LINE,Result]),
 		    ssh:close(ConnectionRef),
 		    ssh:stop_daemon(Pid),
-		    Result
-	    end;
+		    ct:log("~p:~p Check sender", [?MODULE,?LINE]),
+		    receive
+			{SenderPid, {error, closed}} ->
+			    ct:log("~p:~p {error,closed} - That's what we expect :)",[?MODULE,?LINE]),
+			    ok;
+			Msg ->
+			    ct:log("~p:~p Not expected send result: ~p",[?MODULE,?LINE,Msg]),
+			    {fail, "Not expected msg"}
+		    end;
+
+		{SenderPid, {error, closed}} ->
+		    ct:log("~p:~p {error,closed} - That's what we expect, but client channel handler has not reported yet",[?MODULE,?LINE]),
+		    receive
+			{ResultPid, result, Result} ->
+			    ct:log("~p:~p Now got the result: ~p", [?MODULE,?LINE,Result]),
+			    ssh:close(ConnectionRef),
+			    ssh:stop_daemon(Pid),
+			    ok;
+			Msg ->
+			    ct:log("~p:~p Got an unexpected msg ~p",[?MODULE,?LINE,Msg]),
+			    {fail, "Un-expected msg"}
+		    end;
 
-	{ResultPid, channelId, error, Other} ->
-	    ssh:close(ConnectionRef),
-	    ssh:stop_daemon(Pid),
-	    {fail, io_lib:format("ssh_connection:subsystem: ~p",[Other])}
+		Msg ->
+		    ct:log("~p:~p Got unexpected ~p",[?MODULE,?LINE,Msg]),
+		    {fail, "Unexpected msg"}
+	    end
     end.
 
 %%--------------------------------------------------------------------
@@ -910,34 +932,35 @@ big_cat_rx(ConnectionRef, ChannelId, Acc) ->
     end.
 
 collect_data(ConnectionRef, ChannelId) ->
-    ct:log("Listener ~p running! ConnectionRef=~p, ChannelId=~p",[self(),ConnectionRef,ChannelId]),
+    ct:log("~p:~p Listener ~p running! ConnectionRef=~p, ChannelId=~p",[?MODULE,?LINE,self(),ConnectionRef,ChannelId]),
     collect_data(ConnectionRef, ChannelId, [], 0).
 
 collect_data(ConnectionRef, ChannelId, Acc, Sum) ->
     TO = 5000,
     receive
 	{ssh_cm, ConnectionRef, {data, ChannelId, 0, Data}} when is_binary(Data) ->
-	    ct:log("collect_data: received ~p bytes. total ~p bytes",[size(Data),Sum+size(Data)]),
+	    ct:log("~p:~p collect_data: received ~p bytes. total ~p bytes",[?MODULE,?LINE,size(Data),Sum+size(Data)]),
+	    ssh_connection:adjust_window(ConnectionRef, ChannelId, size(Data)),
 	    collect_data(ConnectionRef, ChannelId, [Data | Acc], Sum+size(Data));
 	{ssh_cm, ConnectionRef, {eof, ChannelId}} ->
 	    try
 		iolist_to_binary(lists:reverse(Acc))
 	    of
 		Bin ->
-		    ct:log("collect_data: received eof.~nGot in total ~p bytes",[size(Bin)]),
+		    ct:log("~p:~p collect_data: received eof.~nGot in total ~p bytes",[?MODULE,?LINE,size(Bin)]),
 		    Bin
 	    catch 
 		C:E ->
-		    ct:log("collect_data: received eof.~nAcc is strange...~nException=~p:~p~nAcc=~p",
-			   [C,E,Acc]),
+		    ct:log("~p:~p collect_data: received eof.~nAcc is strange...~nException=~p:~p~nAcc=~p",
+			   [?MODULE,?LINE,C,E,Acc]),
 		    {error,{C,E}}
 	    end;
 	Msg ->
-	    ct:log("collect_data: ***** unexpected message *****~n~p",[Msg]),
+	    ct:log("~p:~p collect_data: ***** unexpected message *****~n~p",[?MODULE,?LINE,Msg]),
 	    collect_data(ConnectionRef, ChannelId, Acc, Sum)
 
     after TO ->
-	    ct:log("collect_data: ----- Nothing received for ~p seconds -----~n",[]),
+	    ct:log("~p:~p collect_data: ----- Nothing received for ~p seconds -----~n",[?MODULE,?LINE,TO]),
 	    collect_data(ConnectionRef, ChannelId, Acc, Sum)
     end.
 
diff --git a/lib/ssh/test/ssh_to_openssh_SUITE.erl b/lib/ssh/test/ssh_to_openssh_SUITE.erl
index 2c7fe7898f..86c3d5de26 100644
--- a/lib/ssh/test/ssh_to_openssh_SUITE.erl
+++ b/lib/ssh/test/ssh_to_openssh_SUITE.erl
@@ -404,8 +404,6 @@ erlang_server_openssh_client_renegotiate(Config) ->
     {Pid, Host, Port} = ssh_test_lib:daemon([{system_dir, SystemDir},
 					     {public_key_alg, PubKeyAlg},
 					     {failfun, fun ssh_test_lib:failfun/2}]),
-
-%%    catch ssh_dbg:messages(fun(String,_D) -> ct:log(String) end),
     ct:sleep(500),
 
     RenegLimitK = 3,
@@ -431,13 +429,24 @@ erlang_server_openssh_client_renegotiate(Config) ->
 		     catch
 			 _:_ -> false
 		     end;
+
+		({exit_status,E}) when E=/=0 ->
+		     ct:log("exit_status ~p",[E]),
+		     throw({skip,"exit status"});
+
 		(_) ->
 		     false
 	     end,
-
-    ssh_test_lib:rcv_expected(Expect, OpenSsh, ?TIMEOUT),
-    %% Unfortunatly we can't check that there has been a renegotiation, just trust OpenSSH.
-    ssh:stop_daemon(Pid).
+    
+    try 
+	ssh_test_lib:rcv_expected(Expect, OpenSsh, ?TIMEOUT)
+    of
+	_ ->
+	    %% Unfortunatly we can't check that there has been a renegotiation, just trust OpenSSH.
+	    ssh:stop_daemon(Pid)
+    catch
+	throw:{skip,R} -> {skip,R}
+    end.
 
 %%--------------------------------------------------------------------
 erlang_client_openssh_server_renegotiate(_Config) ->
@@ -447,7 +456,6 @@ erlang_client_openssh_server_renegotiate(_Config) ->
     Ref = make_ref(),
     Parent = self(),
 
-    catch ssh_dbg:messages(fun(X,_) -> ct:log(X) end),
     Shell = 
 	spawn_link(
 	  fun() ->