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-rw-r--r--lib/inets/src/http_client/httpc_handler.erl18
-rw-r--r--lib/inets/src/http_server/httpd_example.erl8
-rw-r--r--lib/inets/src/http_server/mod_esi.erl15
-rw-r--r--lib/inets/test/httpc_SUITE.erl56
-rw-r--r--lib/inets/test/httpd_SUITE.erl38
-rw-r--r--lib/inets/vsn.mk2
6 files changed, 126 insertions, 11 deletions
diff --git a/lib/inets/src/http_client/httpc_handler.erl b/lib/inets/src/http_client/httpc_handler.erl
index 5e05b8170a..1bf5d25c98 100644
--- a/lib/inets/src/http_client/httpc_handler.erl
+++ b/lib/inets/src/http_client/httpc_handler.erl
@@ -961,13 +961,23 @@ handle_http_body(_, #state{status = {ssl_tunnel, Request},
NewState = answer_request(Request, ClientErrMsg, State),
{stop, normal, NewState};
-handle_http_body(<<>>, #state{status_line = {_,304, _}} = State) ->
+%% All 1xx (informational), 204 (no content), and 304 (not modified)
+%% responses MUST NOT include a message-body, and thus are always
+%% terminated by the first empty line after the header fields.
+%% This implies that chunked encoding MUST NOT be used for these
+%% status codes.
+handle_http_body(<<>>, #state{headers = Headers,
+ status_line = {_,StatusCode, _}} = State)
+ when Headers#http_response_h.'transfer-encoding' =/= "chunked" andalso
+ (StatusCode =:= 204 orelse %% No Content
+ StatusCode =:= 304 orelse %% Not Modified
+ 100 =< StatusCode andalso StatusCode =< 199) -> %% Informational
handle_response(State#state{body = <<>>});
-handle_http_body(<<>>, #state{status_line = {_,204, _}} = State) ->
- handle_response(State#state{body = <<>>});
-handle_http_body(<<>>, #state{request = #request{method = head}} = State) ->
+handle_http_body(<<>>, #state{headers = Headers,
+ request = #request{method = head}} = State)
+ when Headers#http_response_h.'transfer-encoding' =/= "chunked" ->
handle_response(State#state{body = <<>>});
handle_http_body(Body, #state{headers = Headers,
diff --git a/lib/inets/src/http_server/httpd_example.erl b/lib/inets/src/http_server/httpd_example.erl
index 52f5fa03a9..37e4f97bc0 100644
--- a/lib/inets/src/http_server/httpd_example.erl
+++ b/lib/inets/src/http_server/httpd_example.erl
@@ -22,7 +22,7 @@
-export([print/1]).
-export([get/2, put/2, post/2, yahoo/2, test1/2, get_bin/2, peer/2,new_status_and_location/2]).
--export([newformat/3, post_chunked/3]).
+-export([newformat/3, post_chunked/3, post_204/3]).
%% These are used by the inets test-suite
-export([delay/1, chunk_timeout/3]).
@@ -151,6 +151,12 @@ post_chunked(SessionID, _Env, {last, _Body, undefined} = _Bodychunk) ->
post_chunked(_, _, _Body) ->
exit(body_not_chunked).
+post_204(SessionID, _Env, _Input) ->
+ mod_esi:deliver(SessionID,
+ ["Status: 204 No Content" ++ "\r\n\r\n"]),
+ mod_esi:deliver(SessionID, []).
+
+
newformat(SessionID,_,_) ->
mod_esi:deliver(SessionID, "Content-Type:text/html\r\n\r\n"),
mod_esi:deliver(SessionID, top("new esi format test")),
diff --git a/lib/inets/src/http_server/mod_esi.erl b/lib/inets/src/http_server/mod_esi.erl
index 21aafa7f7b..443b7ee564 100644
--- a/lib/inets/src/http_server/mod_esi.erl
+++ b/lib/inets/src/http_server/mod_esi.erl
@@ -394,7 +394,16 @@ deliver_webpage_chunk(#mod{config_db = Db} = ModData, Pid, Timeout) ->
Continue;
{Headers, Body} ->
{ok, NewHeaders, StatusCode} = httpd_esi:handle_headers(Headers),
- IsDisableChunkedSend = httpd_response:is_disable_chunked_send(Db),
+ %% All 1xx (informational), 204 (no content), and 304 (not modified)
+ %% responses MUST NOT include a message-body, and thus are always
+ %% terminated by the first empty line after the header fields.
+ %% This implies that chunked encoding MUST NOT be used for these
+ %% status codes.
+ IsDisableChunkedSend =
+ httpd_response:is_disable_chunked_send(Db) orelse
+ StatusCode =:= 204 orelse %% No Content
+ StatusCode =:= 304 orelse %% Not Modified
+ (100 =< StatusCode andalso StatusCode =< 199), %% Informational
case (ModData#mod.http_version =/= "HTTP/1.1") or
(IsDisableChunkedSend) of
true ->
@@ -405,8 +414,8 @@ deliver_webpage_chunk(#mod{config_db = Db} = ModData, Pid, Timeout) ->
send_headers(ModData, StatusCode,
[{"transfer-encoding",
"chunked"} | NewHeaders])
- end,
- handle_body(Pid, ModData, Body, Timeout, length(Body),
+ end,
+ handle_body(Pid, ModData, Body, Timeout, length(Body),
IsDisableChunkedSend);
timeout ->
send_headers(ModData, 504, [{"connection", "close"}]),
diff --git a/lib/inets/test/httpc_SUITE.erl b/lib/inets/test/httpc_SUITE.erl
index 6e048a4d56..3d375222b5 100644
--- a/lib/inets/test/httpc_SUITE.erl
+++ b/lib/inets/test/httpc_SUITE.erl
@@ -169,7 +169,8 @@ misc() ->
[
server_does_not_exist,
timeout_memory_leak,
- wait_for_whole_response
+ wait_for_whole_response,
+ post_204_chunked
].
sim_mixed() ->
@@ -1391,6 +1392,59 @@ wait_for_whole_response(Config) when is_list(Config) ->
ReqSeqNumServer ! shutdown.
%%--------------------------------------------------------------------
+post_204_chunked() ->
+ [{doc,"Test that chunked encoded 204 responses do not freeze the http client"}].
+post_204_chunked(_Config) ->
+ Msg = "HTTP/1.1 204 No Content\r\n" ++
+ "Date: Thu, 23 Aug 2018 13:36:29 GMT\r\n" ++
+ "Content-Type: text/html\r\n" ++
+ "Server: inets/6.5.2.3\r\n" ++
+ "Cache-Control: no-cache\r\n" ++
+ "Pragma: no-cache\r\n" ++
+ "Expires: Fri, 24 Aug 2018 07:49:35 GMT\r\n" ++
+ "Transfer-Encoding: chunked\r\n" ++
+ "\r\n",
+ Chunk = "0\r\n\r\n",
+
+ {ok, ListenSocket} = gen_tcp:listen(0, [{active,once}, binary]),
+ {ok,{_,Port}} = inet:sockname(ListenSocket),
+ spawn(fun () -> custom_server(Msg, Chunk, ListenSocket) end),
+
+ {ok,Host} = inet:gethostname(),
+ End = "/cgi-bin/erl/httpd_example:post_204",
+ URL = ?URL_START ++ Host ++ ":" ++ integer_to_list(Port) ++ End,
+ {ok, _} = httpc:request(post, {URL, [], "text/html", []}, [], []),
+ timer:sleep(500),
+ %% Second request times out in the faulty case.
+ {ok, _} = httpc:request(post, {URL, [], "text/html", []}, [], []).
+
+custom_server(Msg, Chunk, ListenSocket) ->
+ {ok, Accept} = gen_tcp:accept(ListenSocket),
+ receive_packet(),
+ send_response(Msg, Chunk, Accept),
+ custom_server_loop(Msg, Chunk, Accept).
+
+custom_server_loop(Msg, Chunk, Accept) ->
+ receive_packet(),
+ send_response(Msg, Chunk, Accept),
+ custom_server_loop(Msg, Chunk, Accept).
+
+send_response(Msg, Chunk, Socket) ->
+ inet:setopts(Socket, [{active, once}]),
+ gen_tcp:send(Socket, Msg),
+ timer:sleep(250),
+ gen_tcp:send(Socket, Chunk).
+
+receive_packet() ->
+ receive
+ {tcp, _, Msg} ->
+ ct:log("Message received: ~p", [Msg])
+ after
+ 1000 ->
+ ct:fail("Timeout: did not recive packet")
+ end.
+
+%%--------------------------------------------------------------------
stream_fun_server_close() ->
[{doc, "Test that an error msg is received when using a receiver fun as stream target"}].
stream_fun_server_close(Config) when is_list(Config) ->
diff --git a/lib/inets/test/httpd_SUITE.erl b/lib/inets/test/httpd_SUITE.erl
index 9777c9b68e..5b6740fba3 100644
--- a/lib/inets/test/httpd_SUITE.erl
+++ b/lib/inets/test/httpd_SUITE.erl
@@ -120,7 +120,7 @@ groups() ->
disturbing_0_9,
reload_config_file
]},
- {post, [], [chunked_post, chunked_chunked_encoded_post]},
+ {post, [], [chunked_post, chunked_chunked_encoded_post, post_204]},
{basic_auth, [], [basic_auth_1_1, basic_auth_1_0, basic_auth_0_9]},
{auth_api, [], [auth_api_1_1, auth_api_1_0, auth_api_0_9
]},
@@ -753,6 +753,42 @@ chunked_chunked_encoded_post(Config) when is_list(Config) ->
[{http_version, "HTTP/1.1"} | Config],
[{statuscode, 200}]).
+%%-------------------------------------------------------------------------
+post_204() ->
+ [{doc,"Test that 204 responses are not chunk encoded"}].
+post_204(Config) ->
+ Host = proplists:get_value(host, Config),
+ Port = proplists:get_value(port, Config),
+ SockType = proplists:get_value(type, Config),
+ TranspOpts = transport_opts(SockType, Config),
+ Request = "POST /cgi-bin/erl/httpd_example:post_204 ",
+
+ try inets_test_lib:connect_bin(SockType, Host, Port, TranspOpts) of
+ {ok, Socket} ->
+ RequestStr = http_request(Request, "HTTP/1.1", Host),
+ ok = inets_test_lib:send(SockType, Socket, RequestStr),
+ receive
+ {tcp, Socket, Data} ->
+ case binary:match(Data, <<"chunked">>,[]) of
+ nomatch ->
+ ok;
+ {_, _} ->
+ ct:fail("Chunked encoding detected.")
+ end
+ after 2000 ->
+ ct:fail(connection_timed_out)
+ end;
+ ConnectError ->
+ ct:fail({connect_error, ConnectError,
+ [SockType, Host, Port, TranspOpts]})
+ catch
+ T:E ->
+ ct:fail({connect_failure,
+ [{type, T},
+ {error, E},
+ {stacktrace, erlang:get_stacktrace()},
+ {args, [SockType, Host, Port, TranspOpts]}]})
+ end.
%%-------------------------------------------------------------------------
htaccess_1_1(Config) when is_list(Config) ->
diff --git a/lib/inets/vsn.mk b/lib/inets/vsn.mk
index 7cd5ea61ab..26adb854e1 100644
--- a/lib/inets/vsn.mk
+++ b/lib/inets/vsn.mk
@@ -19,6 +19,6 @@
# %CopyrightEnd%
APPLICATION = inets
-INETS_VSN = 7.0.1
+INETS_VSN = 7.0.2
PRE_VSN =
APP_VSN = "$(APPLICATION)-$(INETS_VSN)$(PRE_VSN)"
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-30 09:14:31 +0000