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-rw-r--r--lib/ssl/src/ssl_tls_dist_proxy.erl43
-rw-r--r--lib/ssl/test/ssl_dist_SUITE.erl138
2 files changed, 179 insertions, 2 deletions
diff --git a/lib/ssl/src/ssl_tls_dist_proxy.erl b/lib/ssl/src/ssl_tls_dist_proxy.erl
index fda08cb87f..d384264b53 100644
--- a/lib/ssl/src/ssl_tls_dist_proxy.erl
+++ b/lib/ssl/src/ssl_tls_dist_proxy.erl
@@ -48,6 +48,47 @@ accept(Listen) ->
connect(Ip, Port) ->
gen_server:call(?MODULE, {connect, Ip, Port}, infinity).
+
+do_listen(Options) ->
+ {First,Last} = case application:get_env(kernel,inet_dist_listen_min) of
+ {ok,N} when is_integer(N) ->
+ case application:get_env(kernel,
+ inet_dist_listen_max) of
+ {ok,M} when is_integer(M) ->
+ {N,M};
+ _ ->
+ {N,N}
+ end;
+ _ ->
+ {0,0}
+ end,
+ do_listen(First, Last, listen_options([{backlog,128}|Options])).
+
+do_listen(First,Last,_) when First > Last ->
+ {error,eaddrinuse};
+do_listen(First,Last,Options) ->
+ case gen_tcp:listen(First, Options) of
+ {error, eaddrinuse} ->
+ do_listen(First+1,Last,Options);
+ Other ->
+ Other
+ end.
+
+listen_options(Opts0) ->
+ Opts1 =
+ case application:get_env(kernel, inet_dist_use_interface) of
+ {ok, Ip} ->
+ [{ip, Ip} | Opts0];
+ _ ->
+ Opts0
+ end,
+ case application:get_env(kernel, inet_dist_listen_options) of
+ {ok,ListenOpts} ->
+ ListenOpts ++ Opts1;
+ _ ->
+ Opts1
+ end.
+
%%====================================================================
%% gen_server callbacks
%%====================================================================
@@ -62,7 +103,7 @@ init([]) ->
handle_call({listen, Name}, _From, State) ->
case gen_tcp:listen(0, [{active, false}, {packet,?PPRE}]) of
{ok, Socket} ->
- {ok, World} = gen_tcp:listen(0, [{active, false}, binary, {packet,?PPRE}]),
+ {ok, World} = do_listen([{active, false}, binary, {packet,?PPRE}, {reuseaddr, true}]),
{ok, TcpAddress} = get_tcp_address(Socket),
{ok, WorldTcpAddress} = get_tcp_address(World),
{_,Port} = WorldTcpAddress#net_address.address,
diff --git a/lib/ssl/test/ssl_dist_SUITE.erl b/lib/ssl/test/ssl_dist_SUITE.erl
index 19ed4e1299..092015d3d8 100644
--- a/lib/ssl/test/ssl_dist_SUITE.erl
+++ b/lib/ssl/test/ssl_dist_SUITE.erl
@@ -40,7 +40,8 @@
%% Common Test interface functions -----------------------------------
%%--------------------------------------------------------------------
all() ->
- [basic, payload, plain_options, plain_verify_options, nodelay_option].
+ [basic, payload, plain_options, plain_verify_options, nodelay_option,
+ listen_port_options, listen_options, use_interface].
groups() ->
[].
@@ -262,6 +263,135 @@ nodelay_option(Config) ->
application:unset_env(kernel, dist_nodelay)
end.
+listen_port_options() ->
+ [{doc, "Test specifying listening ports"}].
+listen_port_options(Config) when is_list(Config) ->
+ %% Start a node, and get the port number it's listening on.
+ NH1 = start_ssl_node(Config),
+ Node1 = NH1#node_handle.nodename,
+ Name1 = lists:takewhile(fun(C) -> C =/= $@ end, atom_to_list(Node1)),
+ {ok, NodesPorts} = apply_on_ssl_node(NH1, fun net_adm:names/0),
+ {Name1, Port1} = lists:keyfind(Name1, 1, NodesPorts),
+
+ %% Now start a second node, configuring it to use the same port
+ %% number.
+ PortOpt1 = "-kernel inet_dist_listen_min " ++ integer_to_list(Port1) ++
+ " inet_dist_listen_max " ++ integer_to_list(Port1),
+
+ try start_ssl_node([{additional_dist_opts, PortOpt1} | Config]) of
+ #node_handle{} ->
+ %% If the node was able to start, it didn't take the port
+ %% option into account.
+ exit(unexpected_success)
+ catch
+ exit:{accept_failed, timeout} ->
+ %% The node failed to start, as expected.
+ ok
+ end,
+
+ %% Try again, now specifying a high max port.
+ PortOpt2 = "-kernel inet_dist_listen_min " ++ integer_to_list(Port1) ++
+ " inet_dist_listen_max 65535",
+ NH2 = start_ssl_node([{additional_dist_opts, PortOpt2} | Config]),
+ Node2 = NH2#node_handle.nodename,
+ Name2 = lists:takewhile(fun(C) -> C =/= $@ end, atom_to_list(Node2)),
+ {ok, NodesPorts2} = apply_on_ssl_node(NH2, fun net_adm:names/0),
+ {Name2, Port2} = lists:keyfind(Name2, 1, NodesPorts2),
+
+ %% The new port should be higher:
+ if Port2 > Port1 ->
+ ok;
+ true ->
+ error({port, Port2, not_higher_than, Port1})
+ end,
+
+ stop_ssl_node(NH1),
+ stop_ssl_node(NH2),
+ success(Config).
+%%--------------------------------------------------------------------
+listen_options() ->
+ [{doc, "Test inet_dist_listen_options"}].
+listen_options(Config) when is_list(Config) ->
+ Prio = 1,
+ case gen_udp:open(0, [{priority,Prio}]) of
+ {ok,Socket} ->
+ case inet:getopts(Socket, [priority]) of
+ {ok,[{priority,Prio}]} ->
+ ok = gen_udp:close(Socket),
+ do_listen_options(Prio, Config);
+ _ ->
+ ok = gen_udp:close(Socket),
+ {skip,
+ "Can not set priority "++integer_to_list(Prio)++
+ " on socket"}
+ end;
+ {error,_} ->
+ {skip, "Can not set priority on socket"}
+ end.
+
+do_listen_options(Prio, Config) ->
+ PriorityString0 = "[{priority,"++integer_to_list(Prio)++"}]",
+ PriorityString =
+ case os:cmd("echo [{a,1}]") of
+ "[{a,1}]"++_ ->
+ PriorityString0;
+ _ ->
+ %% Some shells need quoting of [{}]
+ "'"++PriorityString0++"'"
+ end,
+
+ Options = "-kernel inet_dist_listen_options " ++ PriorityString,
+
+ NH1 = start_ssl_node([{additional_dist_opts, Options} | Config]),
+ NH2 = start_ssl_node([{additional_dist_opts, Options} | Config]),
+ Node2 = NH2#node_handle.nodename,
+
+ pong = apply_on_ssl_node(NH1, fun () -> net_adm:ping(Node2) end),
+
+ PrioritiesNode1 =
+ apply_on_ssl_node(NH1, fun get_socket_priorities/0),
+ PrioritiesNode2 =
+ apply_on_ssl_node(NH2, fun get_socket_priorities/0),
+
+ Elevated1 = [P || P <- PrioritiesNode1, P =:= Prio],
+ ?t:format("Elevated1: ~p~n", [Elevated1]),
+ Elevated2 = [P || P <- PrioritiesNode2, P =:= Prio],
+ ?t:format("Elevated2: ~p~n", [Elevated2]),
+ [_|_] = Elevated1,
+ [_|_] = Elevated2,
+
+ stop_ssl_node(NH1),
+ stop_ssl_node(NH2),
+ success(Config).
+%%--------------------------------------------------------------------
+use_interface() ->
+ [{doc, "Test inet_dist_use_interface"}].
+use_interface(Config) when is_list(Config) ->
+ %% Force the node to listen only on the loopback interface.
+ IpString = "'{127,0,0,1}'",
+ Options = "-kernel inet_dist_use_interface " ++ IpString,
+
+ %% Start a node, and get the port number it's listening on.
+ NH1 = start_ssl_node([{additional_dist_opts, Options} | Config]),
+ Node1 = NH1#node_handle.nodename,
+ Name = lists:takewhile(fun(C) -> C =/= $@ end, atom_to_list(Node1)),
+ {ok, NodesPorts} = apply_on_ssl_node(NH1, fun net_adm:names/0),
+ {Name, Port} = lists:keyfind(Name, 1, NodesPorts),
+
+ %% Now find the socket listening on that port, and check its sockname.
+ Sockets = apply_on_ssl_node(
+ NH1,
+ fun() ->
+ [inet:sockname(P) ||
+ P <- erlang:ports(),
+ {ok, Port} =:= (catch inet:port(P))]
+ end),
+ %% And check that it's actually listening on localhost.
+ [{ok,{{127,0,0,1},Port}}] = Sockets,
+
+ stop_ssl_node(NH1),
+ success(Config).
+
%%--------------------------------------------------------------------
%%% Internal functions -----------------------------------------------
%%--------------------------------------------------------------------
@@ -275,6 +405,12 @@ tstsrvr_format(Fmt, ArgList) ->
send_to_tstcntrl(Message) ->
send_to_tstsrvr({message, Message}).
+get_socket_priorities() ->
+ [Priority ||
+ {ok,[{priority,Priority}]} <-
+ [inet:getopts(Port, [priority]) ||
+ Port <- erlang:ports(),
+ element(2, erlang:port_info(Port, name)) =:= "tcp_inet"]].
%%
%% test_server side api
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-17 12:48:00 +0000