diff options
Diffstat (limited to 'lib/inets/src/http_server/httpd_request_handler.erl')
| -rw-r--r-- | lib/inets/src/http_server/httpd_request_handler.erl | 138 |
1 files changed, 83 insertions, 55 deletions
diff --git a/lib/inets/src/http_server/httpd_request_handler.erl b/lib/inets/src/http_server/httpd_request_handler.erl index bd37066ff6..8fae9ac46e 100644 --- a/lib/inets/src/http_server/httpd_request_handler.erl +++ b/lib/inets/src/http_server/httpd_request_handler.erl @@ -1,18 +1,19 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1997-2013. All Rights Reserved. +%% Copyright Ericsson AB 1997-2015. 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/. +%% Licensed under the Apache License, Version 2.0 (the "License"); +%% you may not use this file except in compliance with the License. +%% You may obtain a copy of the License at %% -%% 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. +%% http://www.apache.org/licenses/LICENSE-2.0 +%% +%% Unless required by applicable law or agreed to in writing, software +%% distributed under the License is distributed on an "AS IS" BASIS, +%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +%% See the License for the specific language governing permissions and +%% limitations under the License. %% %% %CopyrightEnd% %% @@ -29,12 +30,13 @@ %% gen_server callbacks -export([init/1, handle_call/3, handle_cast/2, handle_info/2, - terminate/2, code_change/3]). + terminate/2, code_change/3, format_status/2]). -include("httpd.hrl"). -include("http_internal.hrl"). -include("httpd_internal.hrl"). +-define(HANDSHAKE_TIMEOUT, 5000). -record(state, {mod, %% #mod{} manager, %% pid() status, %% accept | busy | blocked @@ -95,16 +97,15 @@ init([Manager, ConfigDB, AcceptTimeout]) -> proc_lib:init_ack({ok, self()}), {SocketType, Socket} = await_socket_ownership_transfer(AcceptTimeout), - - TimeOut = httpd_util:lookup(ConfigDB, keep_alive_timeout, 150000), - Then = erlang:now(), - case http_transport:negotiate(SocketType, Socket, TimeOut) of - {error, _Error} -> - exit(shutdown); %% Can be 'normal'. + %%Timeout value is in seconds we want it in milliseconds + KeepAliveTimeOut = 1000 * httpd_util:lookup(ConfigDB, keep_alive_timeout, 150), + + case http_transport:negotiate(SocketType, Socket, ?HANDSHAKE_TIMEOUT) of + {error, Error} -> + exit({shutdown, Error}); %% Can be 'normal'. ok -> - NewTimeout = TimeOut - timer:now_diff(now(),Then) div 1000, - continue_init(Manager, ConfigDB, SocketType, Socket, NewTimeout) + continue_init(Manager, ConfigDB, SocketType, Socket, KeepAliveTimeOut) end. continue_init(Manager, ConfigDB, SocketType, Socket, TimeOut) -> @@ -120,10 +121,17 @@ continue_init(Manager, ConfigDB, SocketType, Socket, TimeOut) -> MaxHeaderSize = max_header_size(ConfigDB), MaxURISize = max_uri_size(ConfigDB), NrOfRequest = max_keep_alive_request(ConfigDB), - + MaxContentLen = max_content_length(ConfigDB), + Customize = customize(ConfigDB), + {_, Status} = httpd_manager:new_connection(Manager), - MFA = {httpd_request, parse, [{MaxURISize, MaxHeaderSize}]}, + MFA = {httpd_request, parse, [[{max_uri, MaxURISize}, {max_header, MaxHeaderSize}, + {max_version, ?HTTP_MAX_VERSION_STRING}, + {max_method, ?HTTP_MAX_METHOD_STRING}, + {max_content_length, MaxContentLen}, + {customize, Customize} + ]]}, State = #state{mod = Mod, manager = Manager, @@ -207,23 +215,15 @@ handle_info({Proto, Socket, Data}, set_new_data_size(cancel_request_timeout(State), NewDataSize) end, handle_http_msg(Result, NewState); - - {error, {uri_too_long, MaxSize}, Version} -> + {error, {size_error, MaxSize, ErrCode, ErrStr}, Version} -> NewModData = ModData#mod{http_version = Version}, - httpd_response:send_status(NewModData, 414, "URI too long"), - Reason = io_lib:format("Uri too long, max size is ~p~n", - [MaxSize]), - error_log(Reason, NewModData), - {stop, normal, State#state{response_sent = true, - mod = NewModData}}; - {error, {header_too_long, MaxSize}, Version} -> - NewModData = ModData#mod{http_version = Version}, - httpd_response:send_status(NewModData, 413, "Header too long"), - Reason = io_lib:format("Header too long, max size is ~p~n", - [MaxSize]), + httpd_response:send_status(NewModData, ErrCode, ErrStr), + Reason = io_lib:format("~p: ~p max size is ~p~n", + [ErrCode, ErrStr, MaxSize]), error_log(Reason, NewModData), {stop, normal, State#state{response_sent = true, mod = NewModData}}; + NewMFA -> http_transport:setopts(SockType, Socket, [{active, once}]), case NewDataSize of @@ -294,7 +294,10 @@ handle_info(Info, #state{mod = ModData} = State) -> %% cleaning up. When it returns, the gen_server terminates with Reason. %% The return value is ignored. %%-------------------------------------------------------------------- -terminate(normal, State) -> +terminate(Reason, State) when Reason == normal; + Reason == shutdown -> + do_terminate(State); +terminate({shutdown,_}, State) -> do_terminate(State); terminate(Reason, #state{response_sent = false, mod = ModData} = State) -> httpd_response:send_status(ModData, 500, none), @@ -310,6 +313,18 @@ do_terminate(#state{mod = ModData} = State) -> cancel_request_timeout(State), httpd_socket:close(ModData#mod.socket_type, ModData#mod.socket). +format_status(normal, [_, State]) -> + [{data, [{"StateData", State}]}]; +format_status(terminate, [_, State]) -> + Mod = (State#state.mod), + case Mod#mod.socket_type of + ip_comm -> + [{data, [{"StateData", State}]}]; + {essl, _} -> + %% Do not print ssl options in superviosr reports + [{data, [{"StateData", + State#state{mod = Mod#mod{socket_type = 'TLS'}}}]}] + end. %%-------------------------------------------------------------------- %% code_change(OldVsn, State, Extra) -> {ok, NewState} @@ -382,6 +397,11 @@ handle_http_msg({Method, Uri, Version, {RecordHeaders, Headers}, Body}, 400, URI), Reason = io_lib:format("Malformed syntax in URI: ~p~n", [URI]), error_log(Reason, ModData), + {stop, normal, State#state{response_sent = true}}; + {error, {bad_version, Ver}} -> + httpd_response:send_status(ModData#mod{http_version = "HTTP/0.9"}, 400, Ver), + Reason = io_lib:format("Malformed syntax version: ~p~n", [Ver]), + error_log(Reason, ModData), {stop, normal, State#state{response_sent = true}} end; handle_http_msg({ChunkedHeaders, Body}, @@ -426,7 +446,7 @@ handle_body(#state{headers = Headers, body = Body, mod = ModData} = State, MaxHeaderSize, MaxBodySize) -> case Headers#http_request_h.'transfer-encoding' of "chunked" -> - case http_chunk:decode(Body, MaxBodySize, MaxHeaderSize) of + try http_chunk:decode(Body, MaxBodySize, MaxHeaderSize) of {Module, Function, Args} -> http_transport:setopts(ModData#mod.socket_type, ModData#mod.socket, @@ -438,6 +458,14 @@ handle_body(#state{headers = Headers, body = Body, mod = ModData} = State, http_chunk:handle_headers(Headers, ChunkedHeaders), handle_response(State#state{headers = NewHeaders, body = NewBody}) + catch + throw:Error -> + httpd_response:send_status(ModData, 400, + "Bad input"), + Reason = io_lib:format("Chunk decoding failed: ~p~n", + [Error]), + error_log(Reason, ModData), + {stop, normal, State#state{response_sent = true}} end; Encoding when is_list(Encoding) -> httpd_response:send_status(ModData, 501, @@ -447,8 +475,7 @@ handle_body(#state{headers = Headers, body = Body, mod = ModData} = State, error_log(Reason, ModData), {stop, normal, State#state{response_sent = true}}; _ -> - Length = - list_to_integer(Headers#http_request_h.'content-length'), + Length = list_to_integer(Headers#http_request_h.'content-length'), case ((Length =< MaxBodySize) or (MaxBodySize == nolimit)) of true -> case httpd_request:whole_body(Body, Length) of @@ -457,7 +484,7 @@ handle_body(#state{headers = Headers, body = Body, mod = ModData} = State, ModData#mod.socket, [{active, once}]), {noreply, State#state{mfa = - {Module, Function, Args}}}; + {Module, Function, Args}}}; {ok, NewBody} -> handle_response( @@ -474,7 +501,7 @@ handle_body(#state{headers = Headers, body = Body, mod = ModData} = State, handle_expect(#state{headers = Headers, mod = #mod{config_db = ConfigDB} = ModData} = State, MaxBodySize) -> - Length = Headers#http_request_h.'content-length', + Length = list_to_integer(Headers#http_request_h.'content-length'), case expect(Headers, ModData#mod.http_version, ConfigDB) of continue when (MaxBodySize > Length) orelse (MaxBodySize =:= nolimit) -> httpd_response:send_status(ModData, 100, ""), @@ -548,8 +575,15 @@ handle_next_request(#state{mod = #mod{connection = true} = ModData, init_data = ModData#mod.init_data}, MaxHeaderSize = max_header_size(ModData#mod.config_db), MaxURISize = max_uri_size(ModData#mod.config_db), - - MFA = {httpd_request, parse, [{MaxURISize, MaxHeaderSize}]}, + MaxContentLen = max_content_length(ModData#mod.config_db), + Customize = customize(ModData#mod.config_db), + + MFA = {httpd_request, parse, [[{max_uri, MaxURISize}, {max_header, MaxHeaderSize}, + {max_version, ?HTTP_MAX_VERSION_STRING}, + {max_method, ?HTTP_MAX_METHOD_STRING}, + {max_content_length, MaxContentLen}, + {customize, Customize} + ]]}, TmpState = State#state{mod = NewModData, mfa = MFA, max_keep_alive_request = decrease(Max), @@ -599,21 +633,10 @@ decrease(N) when is_integer(N) -> decrease(N) -> N. -error_log(ReasonString, Info) -> +error_log(ReasonString, #mod{config_db = ConfigDB}) -> Error = lists:flatten( io_lib:format("Error reading request: ~s", [ReasonString])), - error_log(mod_log, Info, Error), - error_log(mod_disk_log, Info, Error). - -error_log(Mod, #mod{config_db = ConfigDB} = Info, String) -> - Modules = httpd_util:lookup(ConfigDB, modules, - [mod_get, mod_head, mod_log]), - case lists:member(Mod, Modules) of - true -> - Mod:error_log(Info, String); - _ -> - ok - end. + httpd_util:error_log(ConfigDB, Error). %%-------------------------------------------------------------------- @@ -632,3 +655,8 @@ max_body_size(ConfigDB) -> max_keep_alive_request(ConfigDB) -> httpd_util:lookup(ConfigDB, max_keep_alive_request, infinity). +max_content_length(ConfigDB) -> + httpd_util:lookup(ConfigDB, max_content_length, ?HTTP_MAX_CONTENT_LENGTH). + +customize(ConfigDB) -> + httpd_util:lookup(ConfigDB, customize, httpd_custom). |