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authorPéter Dimitrov <[email protected]>2018-08-27 16:31:07 +0200
committerPéter Dimitrov <[email protected]>2018-08-27 16:31:07 +0200
commit3b7517df17b30839251b1fd3b070999d6f03bcb5 (patch)
treee325aa5ec8e48c6db7ad888efb77c71debd085f3 /lib/inets/src
parent0960ef90d717f5851037903b81e364fae1a43cdf (diff)
parent7db7a1caeeee21682f37cfa95f9f026074e03ccf (diff)
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Merge branch 'maint'
* maint: inets: Prepare for release inets: Robust handling of 204, 304, 1xx responses inets: Do not use chunked encoding with 1xx, 204, 304 Change-Id: Ia739a7b1a7f1482194def99d039b5a7c8133a6ca
Diffstat (limited to 'lib/inets/src')
-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
3 files changed, 33 insertions, 8 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"}]),