%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2007-2011. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
%% compliance with the License. You should have received a copy of the
%% Erlang Public License along with this software. If not, it can be
%% retrieved online at http://www.erlang.org/.
%%
%% Software distributed under the License is distributed on an "AS IS"
%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
%% the License for the specific language governing rights and limitations
%% under the License.
%%
%% %CopyrightEnd%
%%
-module(ssl_dist_SUITE).
-include_lib("test_server/include/test_server.hrl").
%% Note: This directive should only be used in test suites.
-compile(export_all).
-define(DEFAULT_TIMETRAP_SECS, 240).
-define(AWAIT_SLL_NODE_UP_TIMEOUT, 30000).
-record(node_handle,
{connection_handler,
socket,
name,
nodename}
).
suite() ->
[{ct_hooks,[ts_install_cth]}].
all() ->
[basic].
groups() ->
[].
init_per_group(_GroupName, Config) ->
Config.
end_per_group(_GroupName, Config) ->
Config.
init_per_suite(Config) ->
try crypto:start() of
ok ->
add_ssl_opts_config(Config)
catch _:_ ->
{skip, "Crypto did not start"}
end.
end_per_suite(Config) ->
application:stop(crypto),
Config.
init_per_testcase(Case, Config) when list(Config) ->
Dog = ?t:timetrap(?t:seconds(?DEFAULT_TIMETRAP_SECS)),
[{watchdog, Dog},{testcase, Case}|Config].
end_per_testcase(_Case, Config) when list(Config) ->
Dog = ?config(watchdog, Config),
?t:timetrap_cancel(Dog),
ok.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% %%
%% Testcases %%
%% %%
basic(doc) ->
["Test that two nodes can connect via ssl distribution"];
basic(suite) ->
[];
basic(Config) when is_list(Config) ->
NH1 = start_ssl_node(Config),
Node1 = NH1#node_handle.nodename,
NH2 = start_ssl_node(Config),
Node2 = NH2#node_handle.nodename,
pong = apply_on_ssl_node(NH1, fun () -> net_adm:ping(Node2) end),
[Node2] = apply_on_ssl_node(NH1, fun () -> nodes() end),
[Node1] = apply_on_ssl_node(NH2, fun () -> nodes() end),
%% The test_server node has the same cookie as the ssl nodes
%% but it should not be able to communicate with the ssl nodes
%% via the erlang distribution.
pang = net_adm:ping(Node1),
pang = net_adm:ping(Node2),
%%
%% Check that we are able to communicate over the erlang
%% distribution between the ssl nodes.
%%
Ref = make_ref(),
spawn(fun () ->
apply_on_ssl_node(
NH1,
fun () ->
tstsrvr_format("Hi from ~p!~n", [node()]),
send_to_tstcntrl({Ref, self()}),
receive
{From, ping} ->
tstsrvr_format("Received ping ~p!~n", [node()]),
From ! {self(), pong}
end
end)
end),
receive
{Ref, SslPid} ->
ok = apply_on_ssl_node(
NH2,
fun () ->
tstsrvr_format("Hi from ~p!~n", [node()]),
SslPid ! {self(), ping},
receive
{SslPid, pong} ->
ok
end
end)
end,
stop_ssl_node(NH1),
stop_ssl_node(NH2),
success(Config).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% %%
%% Internal functions %%
%% %%
%%
%% ssl_node side api
%%
tstsrvr_format(Fmt, ArgList) ->
send_to_tstsrvr({format, Fmt, ArgList}).
send_to_tstcntrl(Message) ->
send_to_tstsrvr({message, Message}).
%%
%% test_server side api
%%
apply_on_ssl_node(Node, M, F, A) when atom(M), atom(F), list(A) ->
Ref = make_ref(),
send_to_ssl_node(Node, {apply, self(), Ref, M, F, A}),
receive
{Ref, Result} ->
Result
end.
apply_on_ssl_node(Node, Fun) when is_function(Fun, 0) ->
Ref = make_ref(),
send_to_ssl_node(Node, {apply, self(), Ref, Fun}),
receive
{Ref, Result} ->
Result
end.
stop_ssl_node(#node_handle{connection_handler = Handler,
socket = Socket,
name = Name}) ->
?t:format("Trying to stop ssl node ~s.~n", [Name]),
Mon = erlang:monitor(process, Handler),
unlink(Handler),
case gen_tcp:send(Socket, term_to_binary(stop)) of
ok ->
receive
{'DOWN', Mon, process, Handler, Reason} ->
case Reason of
normal -> ok;
_ -> exit(Reason)
end
end;
Error ->
erlang:demonitor(Mon, [flush]),
exit(Error)
end.
start_ssl_node(Config) ->
start_ssl_node(Config, "").
start_ssl_node(Config, XArgs) ->
Name = mk_node_name(Config),
SSL = ?config(ssl_opts, Config),
SSLDistOpts = setup_dist_opts(Name, ?config(priv_dir, Config)),
start_ssl_node_raw(Name, SSL ++ " " ++ SSLDistOpts ++ XArgs).
start_ssl_node_raw(Name, Args) ->
{ok, LSock} = gen_tcp:listen(0,
[binary, {packet, 4}, {active, false}]),
{ok, ListenPort} = inet:port(LSock),
CmdLine = mk_node_cmdline(ListenPort, Name, Args),
?t:format("Attempting to start ssl node ~s: ~s~n", [Name, CmdLine]),
case open_port({spawn, CmdLine}, []) of
Port when port(Port) ->
unlink(Port),
erlang:port_close(Port),
case await_ssl_node_up(Name, LSock) of
#node_handle{} = NodeHandle ->
?t:format("Ssl node ~s started.~n", [Name]),
NodeName = list_to_atom(Name ++ "@" ++ host_name()),
NodeHandle#node_handle{nodename = NodeName};
Error ->
exit({failed_to_start_node, Name, Error})
end;
Error ->
exit({failed_to_start_node, Name, Error})
end.
%%
%% command line creation
%%
host_name() ->
[$@ | Host] = lists:dropwhile(fun ($@) -> false; (_) -> true end,
atom_to_list(node())),
Host.
mk_node_name(Config) ->
{A, B, C} = erlang:now(),
Case = ?config(testcase, Config),
atom_to_list(?MODULE)
++ "_"
++ atom_to_list(Case)
++ "_"
++ integer_to_list(A)
++ "-"
++ integer_to_list(B)
++ "-"
++ integer_to_list(C).
mk_node_cmdline(ListenPort, Name, Args) ->
Static = "-detached -noinput",
Pa = filename:dirname(code:which(?MODULE)),
Prog = case catch init:get_argument(progname) of
{ok,[[P]]} -> P;
_ -> exit(no_progname_argument_found)
end,
NameSw = case net_kernel:longnames() of
false -> "-sname ";
_ -> "-name "
end,
{ok, Pwd} = file:get_cwd(),
Prog ++ " "
++ Static ++ " "
++ NameSw ++ " " ++ Name ++ " "
++ "-pa " ++ Pa ++ " "
++ "-run application start crypto -run application start public_key "
++ "-run " ++ atom_to_list(?MODULE) ++ " cnct2tstsrvr "
++ host_name() ++ " "
++ integer_to_list(ListenPort) ++ " "
++ Args ++ " "
++ "-env ERL_CRASH_DUMP " ++ Pwd ++ "/erl_crash_dump." ++ Name ++ " "
++ "-setcookie " ++ atom_to_list(erlang:get_cookie()).
%%
%% Connection handler test_server side
%%
await_ssl_node_up(Name, LSock) ->
case gen_tcp:accept(LSock, ?AWAIT_SLL_NODE_UP_TIMEOUT) of
timeout ->
gen_tcp:close(LSock),
?t:format("Timeout waiting for ssl node ~s to come up~n",
[Name]),
timeout;
{ok, Socket} ->
gen_tcp:close(LSock),
case gen_tcp:recv(Socket, 0) of
{ok, Bin} ->
check_ssl_node_up(Socket, Name, Bin);
{error, closed} ->
gen_tcp:close(Socket),
exit({lost_connection_with_ssl_node_before_up, Name})
end;
{error, Error} ->
gen_tcp:close(LSock),
exit({accept_failed, Error})
end.
check_ssl_node_up(Socket, Name, Bin) ->
case catch binary_to_term(Bin) of
{'EXIT', _} ->
gen_tcp:close(Socket),
exit({bad_data_received_from_ssl_node, Name, Bin});
{ssl_node_up, NodeName} ->
case list_to_atom(Name++"@"++host_name()) of
NodeName ->
Parent = self(),
Go = make_ref(),
%% Spawn connection handler on test server side
Pid = spawn_link(
fun () ->
receive Go -> ok end,
tstsrvr_con_loop(Name, Socket, Parent)
end),
ok = gen_tcp:controlling_process(Socket, Pid),
Pid ! Go,
#node_handle{connection_handler = Pid,
socket = Socket,
name = Name};
_ ->
exit({unexpected_ssl_node_connected, NodeName})
end;
Msg ->
exit({unexpected_msg_instead_of_ssl_node_up, Name, Msg})
end.
send_to_ssl_node(#node_handle{connection_handler = Hndlr}, Term) ->
Hndlr ! {relay_to_ssl_node, term_to_binary(Term)},
ok.
tstsrvr_con_loop(Name, Socket, Parent) ->
inet:setopts(Socket,[{active,once}]),
receive
{relay_to_ssl_node, Data} when is_binary(Data) ->
case gen_tcp:send(Socket, Data) of
ok ->
ok;
_Error ->
gen_tcp:close(Socket),
exit({failed_to_relay_data_to_ssl_node, Name, Data})
end;
{tcp, Socket, Bin} ->
case catch binary_to_term(Bin) of
{'EXIT', _} ->
gen_tcp:close(Socket),
exit({bad_data_received_from_ssl_node, Name, Bin});
{format, FmtStr, ArgList} ->
?t:format(FmtStr, ArgList);
{message, Msg} ->
?t:format("Got message ~p", [Msg]),
Parent ! Msg;
{apply_res, To, Ref, Res} ->
To ! {Ref, Res};
bye ->
?t:format("Ssl node ~s stopped.~n", [Name]),
gen_tcp:close(Socket),
exit(normal);
Unknown ->
exit({unexpected_message_from_ssl_node, Name, Unknown})
end;
{tcp_closed, Socket} ->
gen_tcp:close(Socket),
exit({lost_connection_with_ssl_node, Name})
end,
tstsrvr_con_loop(Name, Socket, Parent).
%%
%% Connection handler ssl_node side
%%
% cnct2tstsrvr() is called via command line arg -run ...
cnct2tstsrvr([Host, Port]) when list(Host), list(Port) ->
%% Spawn connection handler on ssl node side
ConnHandler
= spawn(fun () ->
case catch gen_tcp:connect(Host,
list_to_integer(Port),
[binary,
{packet, 4},
{active, false}]) of
{ok, Socket} ->
notify_ssl_node_up(Socket),
ets:new(test_server_info,
[set,
public,
named_table,
{keypos, 1}]),
ets:insert(test_server_info,
{test_server_handler, self()}),
ssl_node_con_loop(Socket);
_Error ->
halt("Failed to connect to test server")
end
end),
spawn(fun () ->
Mon = erlang:monitor(process, ConnHandler),
receive
{'DOWN', Mon, process, ConnHandler, Reason} ->
receive after 1000 -> ok end,
halt("test server connection handler terminated: "
++
lists:flatten(io_lib:format("~p", [Reason])))
end
end).
notify_ssl_node_up(Socket) ->
case catch gen_tcp:send(Socket,
term_to_binary({ssl_node_up, node()})) of
ok -> ok;
_ -> halt("Failed to notify test server that I'm up")
end.
send_to_tstsrvr(Term) ->
case catch ets:lookup_element(test_server_info, test_server_handler, 2) of
Hndlr when pid(Hndlr) ->
Hndlr ! {relay_to_test_server, term_to_binary(Term)}, ok;
_ ->
receive after 200 -> ok end,
send_to_tstsrvr(Term)
end.
ssl_node_con_loop(Socket) ->
inet:setopts(Socket,[{active,once}]),
receive
{relay_to_test_server, Data} when is_binary(Data) ->
case gen_tcp:send(Socket, Data) of
ok ->
ok;
_Error ->
gen_tcp:close(Socket),
halt("Failed to relay data to test server")
end;
{tcp, Socket, Bin} ->
case catch binary_to_term(Bin) of
{'EXIT', _} ->
gen_tcp:close(Socket),
halt("test server sent me bad data");
{apply, From, Ref, M, F, A} ->
spawn_link(
fun () ->
send_to_tstsrvr({apply_res,
From,
Ref,
(catch apply(M, F, A))})
end);
{apply, From, Ref, Fun} ->
spawn_link(fun () ->
send_to_tstsrvr({apply_res,
From,
Ref,
(catch Fun())})
end);
stop ->
gen_tcp:send(Socket, term_to_binary(bye)),
gen_tcp:close(Socket),
init:stop(),
receive after infinity -> ok end;
_Unknown ->
halt("test server sent me an unexpected message")
end;
{tcp_closed, Socket} ->
halt("Lost connection to test server")
end,
ssl_node_con_loop(Socket).
%%
%% Setup ssl dist info
%%
rand_bin(N) ->
rand_bin(N, []).
rand_bin(0, Acc) ->
Acc;
rand_bin(N, Acc) ->
rand_bin(N-1, [random:uniform(256)-1|Acc]).
make_randfile(Dir) ->
{ok, IoDev} = file:open(filename:join([Dir, "RAND"]), [write]),
{A, B, C} = erlang:now(),
random:seed(A, B, C),
ok = file:write(IoDev, rand_bin(1024)),
file:close(IoDev).
append_files(FileNames, ResultFileName) ->
{ok, ResultFile} = file:open(ResultFileName, [write]),
do_append_files(FileNames, ResultFile).
do_append_files([], RF) ->
ok = file:close(RF);
do_append_files([F|Fs], RF) ->
{ok, Data} = file:read_file(F),
ok = file:write(RF, Data),
do_append_files(Fs, RF).
setup_dist_opts(Name, PrivDir) ->
NodeDir = filename:join([PrivDir, Name]),
RGenDir = filename:join([NodeDir, "rand_gen"]),
ok = file:make_dir(NodeDir),
ok = file:make_dir(RGenDir),
make_randfile(RGenDir),
make_certs:all(RGenDir, NodeDir),
SDir = filename:join([NodeDir, "server"]),
SC = filename:join([SDir, "cert.pem"]),
SK = filename:join([SDir, "key.pem"]),
SKC = filename:join([SDir, "keycert.pem"]),
append_files([SK, SC], SKC),
CDir = filename:join([NodeDir, "client"]),
CC = filename:join([CDir, "cert.pem"]),
CK = filename:join([CDir, "key.pem"]),
CKC = filename:join([CDir, "keycert.pem"]),
append_files([CK, CC], CKC),
"-proto_dist inet_tls "
++ "-ssl_dist_opt server_certfile " ++ SKC ++ " "
++ "-ssl_dist_opt client_certfile " ++ CKC ++ " ".
%%
%% Start scripts etc...
%%
add_ssl_opts_config(Config) ->
%%
%% Start with boot scripts if on an installed system; otherwise,
%% just point out ssl ebin with -pa.
%%
try
Dir = ?config(priv_dir, Config),
LibDir = code:lib_dir(),
Apps = application:which_applications(),
{value, {stdlib, _, STDL_VSN}} = lists:keysearch(stdlib, 1, Apps),
{value, {kernel, _, KRNL_VSN}} = lists:keysearch(kernel, 1, Apps),
StdlDir = filename:join([LibDir, "stdlib-" ++ STDL_VSN]),
KrnlDir = filename:join([LibDir, "kernel-" ++ KRNL_VSN]),
{ok, _} = file:read_file_info(StdlDir),
{ok, _} = file:read_file_info(KrnlDir),
SSL_VSN = vsn(ssl),
VSN_CRYPTO = vsn(crypto),
VSN_PKEY = vsn(public_key),
SslDir = filename:join([LibDir, "ssl-" ++ SSL_VSN]),
{ok, _} = file:read_file_info(SslDir),
%% We are using an installed otp system, create the boot script.
Script = filename:join(Dir, atom_to_list(?MODULE)),
{ok, RelFile} = file:open(Script ++ ".rel", [write]),
io:format(RelFile,
"{release, ~n"
" {\"SSL distribution test release\", \"~s\"},~n"
" {erts, \"~s\"},~n"
" [{kernel, \"~s\"},~n"
" {stdlib, \"~s\"},~n"
" {crypto, \"~s\"},~n"
" {public_key, \"~s\"},~n"
" {ssl, \"~s\"}]}.~n",
[case catch erlang:system_info(otp_release) of
{'EXIT', _} -> "R11B";
Rel -> Rel
end,
erlang:system_info(version),
KRNL_VSN,
STDL_VSN,
VSN_CRYPTO,
VSN_PKEY,
SSL_VSN]),
ok = file:close(RelFile),
ok = systools:make_script(Script, []),
[{ssl_opts, "-boot " ++ Script} | Config]
catch
_:_ ->
[{ssl_opts, "-pa " ++ filename:dirname(code:which(ssl))}
| add_comment_config(
"Bootscript wasn't used since the test wasn't run on an "
"installed OTP system.",
Config)]
end.
%%
%% Add common comments to config
%%
add_comment_config(Comment, []) ->
[{comment, Comment}];
add_comment_config(Comment, [{comment, OldComment} | Cs]) ->
[{comment, Comment ++ " " ++ OldComment} | Cs];
add_comment_config(Comment, [C|Cs]) ->
[C|add_comment_config(Comment, Cs)].
%%
%% Call when test case success
%%
success(Config) ->
case lists:keysearch(comment, 1, Config) of
{value, {comment, _} = Res} -> Res;
_ -> ok
end.
vsn(App) ->
application:start(App),
try
{value,
{ssl,
_,
VSN}} = lists:keysearch(App,
1,
application:which_applications()),
VSN
after
application:stop(ssl)
end.
