ssh: Adds unicode

9 files changed, 88 insertions, 54 deletions

diff --git a/lib/ssh/src/ssh.hrl b/lib/ssh/src/ssh.hrl
index 94ced9da6f..0c4d34f89c 100644
--- a/lib/ssh/src/ssh.hrl
+++ b/lib/ssh/src/ssh.hrl
@@ -54,6 +54,7 @@
 -define(uint32(X), << ?UINT32(X) >> ).
 -define(uint64(X), << ?UINT64(X) >> ).
 -define(string(X), << ?STRING(list_to_binary(X)) >> ).
+-define(string_utf8(X), << ?STRING(unicode:characters_to_binary(X)) >> ).
 -define(binary(X), << ?STRING(X) >>).
 
 -define(SSH_CIPHER_NONE, 0).
diff --git a/lib/ssh/src/ssh_auth.erl b/lib/ssh/src/ssh_auth.erl
index 1fa3df847f..409a1db6d5 100644
--- a/lib/ssh/src/ssh_auth.erl
+++ b/lib/ssh/src/ssh_auth.erl
@@ -83,7 +83,7 @@ password_msg([#ssh{opts = Opts, io_cb = IoCb,
 					method = "password",
 					data =
 					    <<?BOOLEAN(?FALSE),
-					      ?STRING(list_to_binary(Password))>>},
+					      ?STRING(unicode:characters_to_binary(Password))>>},
 	      Ssh)
     end.
 
@@ -190,8 +190,7 @@ handle_userauth_request(#ssh_msg_userauth_request{user = User,
 						  data = Data}, _, 
 			#ssh{opts = Opts} = Ssh) ->
     <<_:8, ?UINT32(Sz), BinPwd:Sz/binary>> = Data,
-    Password = binary_to_list(BinPwd),
-    
+    Password = unicode:characters_to_list(BinPwd),
     case check_password(User, Password, Opts) of
 	true ->
 	    {authorized, User,
@@ -352,7 +351,7 @@ verify_sig(SessionId, User, Service, Alg, KeyBlob, SigWLen, Opts) ->
 build_sig_data(SessionId, User, Service, KeyBlob, Alg) ->
     Sig = [?binary(SessionId),
 	   ?SSH_MSG_USERAUTH_REQUEST,
-	   ?string(User),
+	   ?string_utf8(User),
 	   ?string(Service),
 	   ?binary(<<"publickey">>),
 	   ?TRUE,
diff --git a/lib/ssh/src/ssh_bits.erl b/lib/ssh/src/ssh_bits.erl
index 2b0241cb83..8aaff93b9f 100644
--- a/lib/ssh/src/ssh_bits.erl
+++ b/lib/ssh/src/ssh_bits.erl
@@ -116,6 +116,10 @@ enc(Xs, [string|Ts], Offset) ->
     X0 = hd(Xs),
     Y = ?string(X0),
     [Y | enc(tl(Xs),Ts,Offset+size(Y))];
+enc(Xs, [string_utf8|Ts], Offset) ->
+    X0 = hd(Xs),
+    Y = ?string_utf8(X0),
+    [Y | enc(tl(Xs),Ts,Offset+size(Y))];
 enc(Xs, [binary|Ts], Offset) ->
      X0 = hd(Xs),
     Y = ?binary(X0),
diff --git a/lib/ssh/src/ssh_connection.erl b/lib/ssh/src/ssh_connection.erl
index 03dddae3c8..b377614949 100644
--- a/lib/ssh/src/ssh_connection.erl
+++ b/lib/ssh/src/ssh_connection.erl
@@ -271,10 +271,36 @@ cancel_tcpip_forward(ConnectionHandler, BindIP, Port) ->
 %%--------------------------------------------------------------------
 %%% Internal API
 %%--------------------------------------------------------------------
+l2b(L) when is_integer(hd(L)) ->
+    try list_to_binary(L)
+    of
+	B -> B
+    catch
+	_:_ -> 
+	    unicode:characters_to_binary(L)
+    end;
+l2b([H|T]) -> 
+    << (l2b(H))/binary, (l2b(T))/binary >>;
+l2b(B) when is_binary(B) ->
+    B;
+l2b([]) ->
+    <<>>.
+
+    
+
 channel_data(ChannelId, DataType, Data, Connection, From)
   when is_list(Data)->
     channel_data(ChannelId, DataType, 
-		 list_to_binary(Data), Connection, From);
+%%		 list_to_binary(Data), Connection, From);
+		 l2b(Data), Connection, From);
+		 %% try list_to_binary(Data)
+		 %% of
+		 %%     B -> B
+		 %% catch
+		 %%     _:_ -> io:format('BAD BINARY: ~p~n',[Data]),
+		 %% 	    unicode:characters_to_binary(Data)
+		 %% end,
+		 %% Connection, From);
 
 channel_data(ChannelId, DataType, Data, 
 	     #connection{channel_cache = Cache} = Connection,
diff --git a/lib/ssh/src/ssh_message.erl b/lib/ssh/src/ssh_message.erl
index 7bd0375521..01a0988718 100644
--- a/lib/ssh/src/ssh_message.erl
+++ b/lib/ssh/src/ssh_message.erl
@@ -120,7 +120,7 @@ encode(#ssh_msg_userauth_request{
 	  data = Data
 	 }) ->
     ssh_bits:encode([?SSH_MSG_USERAUTH_REQUEST, User, Service, Method, Data],
-		    [byte, string, string, string, '...']);
+		    [byte, string_utf8, string, string, '...']);
 encode(#ssh_msg_userauth_failure{
 	  authentications = Auths,
 	  partial_success = Bool
@@ -135,7 +135,7 @@ encode(#ssh_msg_userauth_banner{
        language = Lang
       }) ->
     ssh_bits:encode([?SSH_MSG_USERAUTH_BANNER, Banner, Lang],
-		    [byte, string, string]);
+		    [byte, string_utf8, string]);
 
 encode(#ssh_msg_userauth_pk_ok{
 	  algorithm_name = Alg,
diff --git a/lib/ssh/src/ssh_sftp.erl b/lib/ssh/src/ssh_sftp.erl
index 10167a9223..0ea2366ac7 100644
--- a/lib/ssh/src/ssh_sftp.erl
+++ b/lib/ssh/src/ssh_sftp.erl
@@ -352,7 +352,7 @@ write_file(Pid, Name, List) ->
     write_file(Pid, Name, List, ?FILEOP_TIMEOUT).
 
 write_file(Pid, Name, List, FileOpTimeout) when is_list(List) ->
-    write_file(Pid, Name, list_to_binary(List), FileOpTimeout);
+    write_file(Pid, Name, unicode:characters_to_binary(List), FileOpTimeout);
 write_file(Pid, Name, Bin, FileOpTimeout) ->
     case open(Pid, Name, [write, binary], FileOpTimeout) of
 	{ok, Handle} ->
@@ -514,7 +514,7 @@ do_handle_call({pread,Async,Handle,At,Length}, From, State) ->
 				    case get_mode(Handle, State2) of
 					binary -> {{ok,Data}, State2};
 					text ->
-					    {{ok,binary_to_list(Data)}, State2}
+					    {{ok,unicode:characters_to_list(Data)}, State2}
 				    end;
 			       (Rep, State2) -> 
 				    {Rep, State2}
@@ -535,8 +535,7 @@ do_handle_call({read,Async,Handle,Length}, From, State) ->
 			    fun({ok,Data}, State2) ->
 				    case get_mode(Handle, State2) of
 					binary -> {{ok,Data}, State2};
-					text ->
-					    {{ok,binary_to_list(Data)}, State2}
+					text -> {{ok,binary_to_list(Data)}, State2}
 				    end;
 			       (Rep, State2) -> {Rep, State2}
 			    end);
diff --git a/lib/ssh/src/ssh_sftpd.erl b/lib/ssh/src/ssh_sftpd.erl
index 174ca0126b..213b5c714d 100644
--- a/lib/ssh/src/ssh_sftpd.erl
+++ b/lib/ssh/src/ssh_sftpd.erl
@@ -214,8 +214,7 @@ handle_op(?SSH_FXP_INIT, Version, B, State) when is_binary(B) ->
 handle_op(?SSH_FXP_REALPATH, ReqId,
 	  <<?UINT32(Rlen), RPath:Rlen/binary>>,
 	  State0) ->
-    RelPath0 = binary_to_list(RPath),
-    RelPath = relate_file_name(RelPath0, State0, _Canonicalize=false),
+    RelPath = relate_file_name(RPath, State0, _Canonicalize=false),
     {Res, State} = resolve_symlinks(RelPath, State0),
     case Res of
 	{ok, AbsPath} ->
@@ -231,7 +230,7 @@ handle_op(?SSH_FXP_OPENDIR, ReqId,
 	 <<?UINT32(RLen), RPath:RLen/binary>>,
 	  State0 = #state{xf = #ssh_xfer{vsn = Vsn}, 
 			  file_handler = FileMod, file_state = FS0}) ->
-    RelPath = binary_to_list(RPath),
+    RelPath = unicode:characters_to_list(RPath),
     AbsPath = relate_file_name(RelPath, State0),
     
     XF = State0#state.xf,
@@ -312,9 +311,8 @@ handle_op(?SSH_FXP_WRITE, ReqId,
 				    ?SSH_FX_INVALID_HANDLE),
 	    State
     end;
-handle_op(?SSH_FXP_READLINK, ReqId, <<?UINT32(PLen), BPath:PLen/binary>>, 
+handle_op(?SSH_FXP_READLINK, ReqId, <<?UINT32(PLen), RelPath:PLen/binary>>, 
 	  State = #state{file_handler = FileMod, file_state = FS0}) ->
-    RelPath = binary_to_list(BPath),
     AbsPath = relate_file_name(RelPath, State),
     {Res, FS1} = FileMod:read_link(AbsPath, FS0),
     case Res of
@@ -524,10 +522,10 @@ close_our_file({_,Fd}, FileMod, FS0) ->
 %%% stat: do the stat
 stat(Vsn, ReqId, Data, State, F) when Vsn =< 3->
     <<?UINT32(BLen), BPath:BLen/binary>> = Data,
-    stat(ReqId, binary_to_list(BPath), State, F);
+    stat(ReqId, unicode:characters_to_list(BPath), State, F);
 stat(Vsn, ReqId, Data, State, F) when Vsn >= 4->
     <<?UINT32(BLen), BPath:BLen/binary, ?UINT32(_Flags)>> = Data,
-    stat(ReqId, binary_to_list(BPath), State, F).
+    stat(ReqId, unicode:characters_to_list(BPath), State, F).
 
 fstat(Vsn, ReqId, Data, State) when Vsn =< 3->
     <<?UINT32(HLen), Handle:HLen/binary>> = Data,
@@ -609,13 +607,13 @@ decode_4_acess([]) ->
 open(Vsn, ReqId, Data, State) when Vsn =< 3 ->
     <<?UINT32(BLen), BPath:BLen/binary, ?UINT32(PFlags),
      _Attrs/binary>> = Data,
-    Path = binary_to_list(BPath),
+    Path = unicode:characters_to_list(BPath),
     Flags = ssh_xfer:decode_open_flags(Vsn, PFlags),
     do_open(ReqId, State, Path, Flags);
 open(Vsn, ReqId, Data, State) when Vsn >= 4 ->
     <<?UINT32(BLen), BPath:BLen/binary, ?UINT32(Access),
      ?UINT32(PFlags), _Attrs/binary>> = Data,
-    Path = binary_to_list(BPath),
+    Path = unicode:characters_to_list(BPath),
     FlagBits = ssh_xfer:decode_open_flags(Vsn, PFlags),
     AcessBits = ssh_xfer:decode_ace_mask(Access),
     %% TODO: This is to make sure the Access flags are not ignored
@@ -712,7 +710,7 @@ relate_file_name(File, State) ->
     relate_file_name(File, State, _Canonicalize=true).
 
 relate_file_name(File, State, Canonicalize) when is_binary(File) ->
-    relate_file_name(binary_to_list(File), State, Canonicalize);
+    relate_file_name(unicode:characters_to_list(File), State, Canonicalize);
 relate_file_name(File, #state{cwd = CWD, root = ""}, Canonicalize) ->
     relate_filename_to_path(File, CWD, Canonicalize);
 relate_file_name(File, #state{root = Root}, Canonicalize) ->
diff --git a/lib/ssh/src/ssh_xfer.erl b/lib/ssh/src/ssh_xfer.erl
index e18e18a9a9..63d01fd9de 100644
--- a/lib/ssh/src/ssh_xfer.erl
+++ b/lib/ssh/src/ssh_xfer.erl
@@ -72,7 +72,6 @@ protocol_version_request(XF) ->
 
 open(XF, ReqID, FileName, Access, Flags, Attrs) -> 
     Vsn = XF#ssh_xfer.vsn,
-    FileName1 = unicode:characters_to_binary(FileName),
     MBits = if Vsn >= 5 -> 
 		    M = encode_ace_mask(Access),
 		    ?uint32(M);
@@ -82,7 +81,7 @@ open(XF, ReqID, FileName, Access, Flags, Attrs) ->
     F = encode_open_flags(Flags),
     xf_request(XF,?SSH_FXP_OPEN, 
 	       [?uint32(ReqID),
-		?binary(FileName1),
+		?string_utf8(FileName),
 		MBits,
 		?uint32(F),
 		encode_ATTR(Vsn,Attrs)]).    
@@ -90,7 +89,7 @@ open(XF, ReqID, FileName, Access, Flags, Attrs) ->
 opendir(XF, ReqID, DirName) ->
     xf_request(XF, ?SSH_FXP_OPENDIR, 
 	       [?uint32(ReqID),
-		?string(DirName)]).
+		?string_utf8(DirName)]).
 
 
 close(XF, ReqID, Handle) ->
@@ -127,13 +126,11 @@ write(XF,ReqID, Handle, Offset, Data) ->
 remove(XF, ReqID, File) ->
     xf_request(XF, ?SSH_FXP_REMOVE, 
 	       [?uint32(ReqID),
-		?string(File)]).
+		?string_utf8(File)]).
 
 %% Rename a file/directory
-rename(XF, ReqID, Old, New, Flags) ->
+rename(XF, ReqID, OldPath, NewPath, Flags) ->
     Vsn = XF#ssh_xfer.vsn,
-    OldPath = unicode:characters_to_binary(Old),
-    NewPath = unicode:characters_to_binary(New),
     FlagBits
 	= if Vsn >= 5 ->
 		  F0 = encode_rename_flags(Flags),
@@ -143,30 +140,27 @@ rename(XF, ReqID, Old, New, Flags) ->
 	  end,
     xf_request(XF, ?SSH_FXP_RENAME, 
 	       [?uint32(ReqID),
-		?binary(OldPath),
-		?binary(NewPath),
+		?string_utf8(OldPath),
+		?string_utf8(NewPath),
 		FlagBits]).
 
 
 
 %% Create directory
 mkdir(XF, ReqID, Path, Attrs) ->
-    Path1 = unicode:characters_to_binary(Path),
     xf_request(XF, ?SSH_FXP_MKDIR, 
 	       [?uint32(ReqID),
-		?binary(Path1),
+		?string_utf8(Path),
 		encode_ATTR(XF#ssh_xfer.vsn, Attrs)]).
 
 %% Remove a directory
 rmdir(XF, ReqID, Dir) ->
-    Dir1 = unicode:characters_to_binary(Dir),
     xf_request(XF, ?SSH_FXP_RMDIR,
 	       [?uint32(ReqID),
-		?binary(Dir1)]).
+		?string_utf8(Dir)]).
 
 %% Stat file
 stat(XF, ReqID, Path, Flags) ->
-    Path1 = unicode:characters_to_binary(Path),
     Vsn = XF#ssh_xfer.vsn,
     AttrFlags = if Vsn >= 5 ->
 			F = encode_attr_flags(Vsn, Flags),
@@ -176,13 +170,12 @@ stat(XF, ReqID, Path, Flags) ->
 		end,
     xf_request(XF, ?SSH_FXP_STAT, 
 	       [?uint32(ReqID),
-		?binary(Path1),
+		?string_utf8(Path),
 		AttrFlags]).
 
 
 %% Stat file - follow symbolic links
 lstat(XF, ReqID, Path, Flags) ->
-    Path1 = unicode:characters_to_binary(Path),
     Vsn = XF#ssh_xfer.vsn,
     AttrFlags = if Vsn >= 5 ->
 			F = encode_attr_flags(Vsn, Flags),
@@ -192,7 +185,7 @@ lstat(XF, ReqID, Path, Flags) ->
 		end,
     xf_request(XF, ?SSH_FXP_LSTAT, 
 	     [?uint32(ReqID),
-	      ?binary(Path1),
+	      ?string_utf8(Path),
 	      AttrFlags]).
 
 %% Stat open file
@@ -211,10 +204,9 @@ fstat(XF, ReqID, Handle, Flags) ->
 
 %% Modify file attributes
 setstat(XF, ReqID, Path, Attrs) ->
-    Path1 = unicode:characters_to_binary(Path),
     xf_request(XF, ?SSH_FXP_SETSTAT, 
 	       [?uint32(ReqID),
-		?binary(Path1),
+		?string_utf8(Path),
 		encode_ATTR(XF#ssh_xfer.vsn, Attrs)]).
 
 
@@ -227,10 +219,9 @@ fsetstat(XF, ReqID, Handle, Attrs) ->
     
 %% Read a symbolic link
 readlink(XF, ReqID, Path) ->
-    Path1 = unicode:characters_to_binary(Path),
     xf_request(XF, ?SSH_FXP_READLINK, 
 	       [?uint32(ReqID),
-		?binary(Path1)]).
+		?string_utf8(Path)]).
 
 
 %% Create a symbolic link    
@@ -244,10 +235,9 @@ symlink(XF, ReqID, LinkPath, TargetPath) ->
 
 %% Convert a path into a 'canonical' form
 realpath(XF, ReqID, Path) ->
-    Path1 = unicode:characters_to_binary(Path),
     xf_request(XF, ?SSH_FXP_REALPATH,     
 	       [?uint32(ReqID),
-		?binary(Path1)]).
+		?string_utf8(Path)]).
 
 extended(XF, ReqID, Request, Data) ->
     xf_request(XF, ?SSH_FXP_EXTENDED,
@@ -296,7 +286,10 @@ xf_send_names(#ssh_xfer{cm = CM, channel = Channel, vsn = Vsn},
     Count = length(NamesAndAttrs),
     {Data, Len} = encode_names(Vsn, NamesAndAttrs),
     Size = 1 + 4 + 4 + Len,
-    ToSend = [<<?UINT32(Size), ?SSH_FXP_NAME, ?UINT32(ReqId), ?UINT32(Count)>>,
+    ToSend = [<<?UINT32(Size), 
+		?SSH_FXP_NAME, 
+		?UINT32(ReqId),
+		?UINT32(Count)>>,
 	      Data],
     ssh_connection:send(CM, Channel, ToSend).
 
@@ -818,25 +811,27 @@ decode_names(_Vsn, 0, _Data) ->
 decode_names(Vsn, I, <<?UINT32(Len), FileName:Len/binary, 
 		      ?UINT32(LLen), _LongName:LLen/binary,
 		      Tail/binary>>) when Vsn =< 3 ->
-    Name = binary_to_list(FileName),
+    Name = unicode:characters_to_list(FileName),
     {A, Tail2} = decode_ATTR(Vsn, Tail),
     [{Name, A} | decode_names(Vsn, I-1, Tail2)];
 decode_names(Vsn, I, <<?UINT32(Len), FileName:Len/binary, 
 		      Tail/binary>>) when Vsn >= 4 ->
-    Name = binary_to_list(FileName),
+    Name = unicode:characters_to_list(FileName),
     {A, Tail2} = decode_ATTR(Vsn, Tail),
     [{Name, A} | decode_names(Vsn, I-1, Tail2)].
 
 encode_names(Vsn, NamesAndAttrs) ->
     lists:mapfoldl(fun(N, L) -> encode_name(Vsn, N, L) end, 0, NamesAndAttrs).
 
-encode_name(Vsn, {Name,Attr}, Len) when Vsn =< 3 ->
+encode_name(Vsn, {NameUC,Attr}, Len) when Vsn =< 3 ->
+    Name = binary_to_list(unicode:characters_to_binary(NameUC)),
     NLen = length(Name),
     EncAttr = encode_ATTR(Vsn, Attr),
     ALen = size(EncAttr),
     NewLen = Len + NLen*2 + 4 + 4 + ALen,
     {[<<?UINT32(NLen)>>, Name, <<?UINT32(NLen)>>, Name, EncAttr], NewLen};
-encode_name(Vsn, {Name,Attr}, Len) when Vsn >= 4 ->
+encode_name(Vsn, {NameUC,Attr}, Len) when Vsn >= 4 ->
+    Name = binary_to_list(unicode:characters_to_binary(NameUC)),
     NLen = length(Name),
     EncAttr = encode_ATTR(Vsn, Attr),
     ALen = size(EncAttr),
@@ -851,9 +846,9 @@ encode_acl_items([ACE|As]) ->
     Type = encode_ace_type(ACE#ssh_xfer_ace.type),
     Flag = encode_ace_flag(ACE#ssh_xfer_ace.flag), 
     Mask = encode_ace_mask(ACE#ssh_xfer_ace.mask), 
-    Who = list_to_binary(ACE#ssh_xfer_ace.who),
+    Who = ACE#ssh_xfer_ace.who,
     [?uint32(Type), ?uint32(Flag), ?uint32(Mask), 
-     ?binary(Who) | encode_acl_items(As)];
+     ?string_utf8(Who) | encode_acl_items(As)];
 encode_acl_items([]) ->
     [].
 
@@ -872,7 +867,7 @@ decode_acl_items(I, <<?UINT32(Type),
 		     [#ssh_xfer_ace { type = decode_ace_type(Type),
 				      flag = decode_ace_flag(Flag),
 				      mask = decode_ace_mask(Mask),
-				      who = binary_to_list(BWho)} | Acc]).
+				      who = unicode:characters_to_list(BWho)} | Acc]).
 
 encode_extensions(Exts) ->
     Count = length(Exts),
diff --git a/lib/ssh/test/ssh_test_lib.erl b/lib/ssh/test/ssh_test_lib.erl
index 6ed3dfa68c..00c25bf394 100644
--- a/lib/ssh/test/ssh_test_lib.erl
+++ b/lib/ssh/test/ssh_test_lib.erl
@@ -63,8 +63,13 @@ daemon(Host, Port, Options) ->
 	    Error
     end.
 
+
+
 start_shell(Port, IOServer, UserDir) ->
-    spawn_link(?MODULE, init_shell, [Port, IOServer, [{user_dir, UserDir}]]).
+    start_shell(Port, IOServer, UserDir, []).
+
+start_shell(Port, IOServer, UserDir, Options) ->
+    spawn_link(?MODULE, init_shell, [Port, IOServer, [{user_dir, UserDir}|Options]]).
 
 start_shell(Port, IOServer) ->
     spawn_link(?MODULE, init_shell, [Port, IOServer, []]).
@@ -91,18 +96,23 @@ loop_io_server(TestCase, Buff0) ->
 	 {input, TestCase, Line} ->
 	     loop_io_server(TestCase, Buff0 ++ [Line]);
 	 {io_request, From, ReplyAs, Request} ->
+%%ct:pal("~p",[{io_request, From, ReplyAs, Request}]),
 	     {ok, Reply, Buff} = io_request(Request, TestCase, From,
 					    ReplyAs, Buff0),
+%%ct:pal("io_request(~p)-->~p",[Request,{ok, Reply, Buff}]),
 	     io_reply(From, ReplyAs, Reply),
 	     loop_io_server(TestCase, Buff);
 	 {'EXIT',_, _} ->
-	     erlang:display('EXIT'),
+	     erlang:display('ssh_test_lib:loop_io_server/2 EXIT'),
 	     ok
      end.
 
 io_request({put_chars, Chars}, TestCase, _, _, Buff) ->
     reply(TestCase, Chars),
     {ok, ok, Buff};
+io_request({put_chars, unicode, Chars}, TestCase, _, _, Buff) when is_binary(Chars) ->
+    reply(TestCase, Chars),
+    {ok, ok, Buff};
 io_request({put_chars, Enc, Chars}, TestCase, _, _, Buff) ->
     reply(TestCase, unicode:characters_to_binary(Chars,Enc,latin1)),
     {ok, ok, Buff};
@@ -120,11 +130,13 @@ io_request({get_line, _Enc,_}, _, _, _, [Line | Buff]) ->
 io_reply(_, _, []) ->
     ok;
 io_reply(From, ReplyAs, Reply) ->
+%%ct:pal("io_reply ~p sending ~p ! ~p",[self(),From, {io_reply, ReplyAs, Reply}]),
     From ! {io_reply, ReplyAs, Reply}.
 
 reply(_, []) ->
     ok;
 reply(TestCase, Result) ->
+%%ct:pal("reply ~p sending ~p ! ~p",[self(), TestCase, Result]),
     TestCase ! Result.
 
 receive_exec_result(Msg) ->