diff options
Diffstat (limited to 'lib/inets/src/http_server')
-rw-r--r-- | lib/inets/src/http_server/httpd_conf.erl | 20 | ||||
-rw-r--r-- | lib/inets/src/http_server/httpd_request.erl | 102 | ||||
-rw-r--r-- | lib/inets/src/http_server/httpd_request_handler.erl | 27 |
3 files changed, 90 insertions, 59 deletions
diff --git a/lib/inets/src/http_server/httpd_conf.erl b/lib/inets/src/http_server/httpd_conf.erl index 27446ca7fe..fa639b0a1c 100644 --- a/lib/inets/src/http_server/httpd_conf.erl +++ b/lib/inets/src/http_server/httpd_conf.erl @@ -1,7 +1,7 @@ %% %% %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 @@ -205,13 +205,13 @@ load("MaxURISize " ++ MaxHeaderSize, []) -> " is an invalid number of MaxHeaderSize")} end; -load("MaxBodySize " ++ MaxBodySize, []) -> - case make_integer(MaxBodySize) of +load("MaxContentLength " ++ Max, []) -> + case make_integer(Max) of {ok, Integer} -> - {ok, [], {max_body_size,Integer}}; + {ok, [], {max_content_length, Integer}}; {error, _} -> - {error, ?NICE(clean(MaxBodySize) ++ - " is an invalid number of MaxBodySize")} + {error, ?NICE(clean(Max) ++ + " is an invalid number of MaxContentLength")} end; load("ServerName " ++ ServerName, []) -> @@ -569,6 +569,12 @@ validate_config_params([{max_body_size, Value} | Rest]) validate_config_params([{max_body_size, Value} | _]) -> throw({max_body_size, Value}); +validate_config_params([{max_content_length, Value} | Rest]) + when is_integer(Value) andalso (Value > 0) -> + validate_config_params(Rest); +validate_config_params([{max_content_length, Value} | _]) -> + throw({max_content_length, Value}); + validate_config_params([{server_name, Value} | Rest]) when is_list(Value) -> validate_config_params(Rest); @@ -635,7 +641,7 @@ validate_config_params([{max_keep_alive_request, Value} | Rest]) when is_integer(Value) andalso (Value > 0) -> validate_config_params(Rest); validate_config_params([{max_keep_alive_request, Value} | _]) -> - throw({max_header_size, Value}); + throw({max_keep_alive_request, Value}); validate_config_params([{keep_alive_timeout, Value} | Rest]) when is_integer(Value) andalso (Value >= 0) -> diff --git a/lib/inets/src/http_server/httpd_request.erl b/lib/inets/src/http_server/httpd_request.erl index 712c73599f..6985065c3e 100644 --- a/lib/inets/src/http_server/httpd_request.erl +++ b/lib/inets/src/http_server/httpd_request.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2005-2014. All Rights Reserved. +%% Copyright Ericsson AB 2005-2015. 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 @@ -118,18 +118,17 @@ validate(Method, Uri, Version) -> %% create it. %% ---------------------------------------------------------------------- update_mod_data(ModData, Method, RequestURI, HTTPVersion, Headers)-> - ParsedHeaders = tagup_header(Headers), - PersistentConn = get_persistens(HTTPVersion, ParsedHeaders, + PersistentConn = get_persistens(HTTPVersion, Headers, ModData#mod.config_db), {ok, ModData#mod{data = [], method = Method, absolute_uri = format_absolute_uri(RequestURI, - ParsedHeaders), + Headers), request_uri = format_request_uri(RequestURI), http_version = HTTPVersion, request_line = Method ++ " " ++ RequestURI ++ " " ++ HTTPVersion, - parsed_header = ParsedHeaders, + parsed_header = Headers, connection = PersistentConn}}. %%%======================================================================== @@ -146,14 +145,14 @@ parse_method(_, _, _, Max, _, _) -> %% We do not know the version of the client as it comes after the %% method send the lowest version in the response so that the client %% will be able to handle it. - {error, {too_long, Max, 413, "Method unreasonably long"}, lowest_version()}. + {error, {size_error, Max, 413, "Method unreasonably long"}, lowest_version()}. parse_uri(_, _, Current, MaxURI, _, _) when (Current > MaxURI) andalso (MaxURI =/= nolimit) -> %% We do not know the version of the client as it comes after the %% uri send the lowest version in the response so that the client %% will be able to handle it. - {error, {too_long, MaxURI, 414, "URI unreasonably long"},lowest_version()}; + {error, {size_error, MaxURI, 414, "URI unreasonably long"},lowest_version()}; parse_uri(<<>>, URI, Current, Max, MaxSizes, Result) -> {?MODULE, parse_uri, [URI, Current, Max, MaxSizes, Result]}; parse_uri(<<?SP, Rest/binary>>, URI, _, _, MaxSizes, Result) -> @@ -179,12 +178,12 @@ parse_version(<<?CR>> = Data, Version, Current, Max, MaxSizes, Result) -> parse_version(<<Octet, Rest/binary>>, Version, Current, Max, MaxSizes, Result) when Current =< Max -> parse_version(Rest, [Octet | Version], Current + 1, Max, MaxSizes, Result); parse_version(_, _, _, Max,_,_) -> - {error, {too_long, Max, 413, "Version string unreasonably long"}, lowest_version()}. + {error, {size_error, Max, 413, "Version string unreasonably long"}, lowest_version()}. parse_headers(_, _, _, Current, Max, _, Result) when Max =/= nolimit andalso Current > Max -> HttpVersion = lists:nth(3, lists:reverse(Result)), - {error, {too_long, Max, 413, "Headers unreasonably long"}, HttpVersion}; + {error, {size_error, Max, 413, "Headers unreasonably long"}, HttpVersion}; parse_headers(<<>>, Header, Headers, Current, Max, MaxSizes, Result) -> {?MODULE, parse_headers, [<<>>, Header, Headers, Current, Max, @@ -204,14 +203,22 @@ parse_headers(<<?CR,?LF,?CR,?LF,Body/binary>>, [], [], _, _, _, Result) -> Result])), {ok, NewResult}; parse_headers(<<?CR,?LF,?CR,?LF,Body/binary>>, Header, Headers, _, _, - _, Result) -> - HTTPHeaders = [lists:reverse(Header) | Headers], - RequestHeaderRcord = - http_request:headers(HTTPHeaders, #http_request_h{}), - NewResult = - list_to_tuple(lists:reverse([Body, {RequestHeaderRcord, - HTTPHeaders} | Result])), - {ok, NewResult}; + MaxSizes, Result) -> + case http_request:key_value(lists:reverse(Header)) of + undefined -> %% Skip headers with missing : + {ok, list_to_tuple(lists:reverse([Body, {http_request:headers(Headers, #http_request_h{}), Headers} | Result]))}; + NewHeader -> + case check_header(NewHeader, MaxSizes) of + ok -> + {ok, list_to_tuple(lists:reverse([Body, {http_request:headers([NewHeader | Headers], + #http_request_h{}), + [NewHeader | Headers]} | Result]))}; + + {error, Reason} -> + HttpVersion = lists:nth(3, lists:reverse(Result)), + {error, Reason, HttpVersion} + end + end; parse_headers(<<?CR,?LF,?CR>> = Data, Header, Headers, Current, Max, MaxSizes, Result) -> @@ -243,8 +250,21 @@ parse_headers(<<?LF, Octet, Rest/binary>>, Header, Headers, Current, Max, MaxSizes, Result); parse_headers(<<?CR,?LF, Octet, Rest/binary>>, Header, Headers, _, Max, MaxSizes, Result) -> - parse_headers(Rest, [Octet], [lists:reverse(Header) | Headers], - 0, Max, MaxSizes, Result); + case http_request:key_value(lists:reverse(Header)) of + undefined -> %% Skip headers with missing : + parse_headers(Rest, [Octet], Headers, + 0, Max, MaxSizes, Result); + NewHeader -> + case check_header(NewHeader, MaxSizes) of + ok -> + parse_headers(Rest, [Octet], [NewHeader | Headers], + 0, Max, MaxSizes, Result); + {error, Reason} -> + HttpVersion = lists:nth(3, lists:reverse(Result)), + {error, Reason, HttpVersion} + end + end; + parse_headers(<<?CR>> = Data, Header, Headers, Current, Max, MaxSizes, Result) -> {?MODULE, parse_headers, [Data, Header, Headers, Current, Max, @@ -388,29 +408,25 @@ get_persistens(HTTPVersion,ParsedHeader,ConfigDB)-> false end. - -%%---------------------------------------------------------------------- -%% tagup_header -%% -%% Parses the header of a HTTP request and returns a key,value tuple -%% list containing Name and Value of each header directive as of: -%% -%% Content-Type: multipart/mixed -> {"Content-Type", "multipart/mixed"} -%% -%% But in http/1.1 the field-names are case insencitive so now it must be -%% Content-Type: multipart/mixed -> {"content-type", "multipart/mixed"} -%% The standard furthermore says that leading and traling white space -%% is not a part of the fieldvalue and shall therefore be removed. -%%---------------------------------------------------------------------- -tagup_header([]) -> []; -tagup_header([Line|Rest]) -> [tag(Line, [])|tagup_header(Rest)]. - -tag([], Tag) -> - {http_util:to_lower(lists:reverse(Tag)), ""}; -tag([$:|Rest], Tag) -> - {http_util:to_lower(lists:reverse(Tag)), string:strip(Rest)}; -tag([Chr|Rest], Tag) -> - tag(Rest, [Chr|Tag]). - lowest_version()-> "HTTP/0.9". + +check_header({"content-length", Value}, Maxsizes) -> + Max = proplists:get_value(max_content_length, Maxsizes), + MaxLen = length(integer_to_list(Max)), + case length(Value) =< MaxLen of + true -> + try + _ = list_to_integer(Value), + ok + catch _:_ -> + {error, {size_error, Max, 411, "content-length not an integer"}} + end; + false -> + {error, {size_error, Max, 413, "content-length unreasonably long"}} + end; +check_header(_, _) -> + ok. + + + diff --git a/lib/inets/src/http_server/httpd_request_handler.erl b/lib/inets/src/http_server/httpd_request_handler.erl index 9bea58cc9e..89ccec52cc 100644 --- a/lib/inets/src/http_server/httpd_request_handler.erl +++ b/lib/inets/src/http_server/httpd_request_handler.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1997-2014. 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 @@ -119,11 +119,15 @@ 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), + {_, Status} = httpd_manager:new_connection(Manager), MFA = {httpd_request, parse, [[{max_uri, MaxURISize}, {max_header, MaxHeaderSize}, - {max_version, ?HTTP_MAX_VERSION_STRING}, {max_method, ?HTTP_MAX_METHOD_STRING}]]}, + {max_version, ?HTTP_MAX_VERSION_STRING}, + {max_method, ?HTTP_MAX_METHOD_STRING}, + {max_content_length, MaxContentLen} + ]]}, State = #state{mod = Mod, manager = Manager, @@ -207,7 +211,7 @@ handle_info({Proto, Socket, Data}, set_new_data_size(cancel_request_timeout(State), NewDataSize) end, handle_http_msg(Result, NewState); - {error, {too_long, MaxSize, ErrCode, ErrStr}, Version} -> + {error, {size_error, MaxSize, ErrCode, ErrStr}, Version} -> NewModData = ModData#mod{http_version = Version}, httpd_response:send_status(NewModData, ErrCode, ErrStr), Reason = io_lib:format("~p: ~p max size is ~p~n", @@ -444,8 +448,7 @@ 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 @@ -454,7 +457,7 @@ 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( @@ -471,7 +474,7 @@ 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, ""), @@ -545,9 +548,13 @@ 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), + MaxContentLen = max_content_length(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_version, ?HTTP_MAX_VERSION_STRING}, + {max_method, ?HTTP_MAX_METHOD_STRING}, + {max_content_length, MaxContentLen} + ]]}, TmpState = State#state{mod = NewModData, mfa = MFA, max_keep_alive_request = decrease(Max), @@ -630,3 +637,5 @@ 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). |