diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/kernel/doc/src/inet.xml | 4 | ||||
| -rw-r--r-- | lib/kernel/test/gen_tcp_echo_SUITE.erl | 11 | ||||
| -rw-r--r-- | lib/kernel/test/gen_tcp_misc_SUITE.erl | 66 |
3 files changed, 73 insertions, 8 deletions
diff --git a/lib/kernel/doc/src/inet.xml b/lib/kernel/doc/src/inet.xml index fad5af85bb..1a05b4ba99 100644 --- a/lib/kernel/doc/src/inet.xml +++ b/lib/kernel/doc/src/inet.xml @@ -573,6 +573,10 @@ fe80::204:acff:fe17:bf38 is longer than the max allowed length, the packet is considered invalid. The same happens if the packet header is too big for the socket receive buffer.</p> + <p>For line oriented protocols (<c>line</c>,<c>http*</c>), + option <c>packet_size</c> also guarantees that lines up to the + indicated length are accepted and not considered invalid due + to internal buffer limitations.</p> </item> <tag><c>{read_packets, Integer}</c>(UDP sockets)</tag> <item> diff --git a/lib/kernel/test/gen_tcp_echo_SUITE.erl b/lib/kernel/test/gen_tcp_echo_SUITE.erl index fffaaf4c45..5bbaeb02ad 100644 --- a/lib/kernel/test/gen_tcp_echo_SUITE.erl +++ b/lib/kernel/test/gen_tcp_echo_SUITE.erl @@ -167,8 +167,12 @@ echo_test_1(SockOpts, EchoFun, Config0) -> [{type, {cdr, little}}|Config]), ?line case lists:keymember(packet_size, 1, SockOpts) of false -> - ?line echo_packet([{packet, line}|SockOpts], - EchoFun, Config); + % This is cheating, we should test that packet_size + % also works for line and http. + echo_packet([{packet, line}|SockOpts], EchoFun, Config), + echo_packet([{packet, http}|SockOpts], EchoFun, Config), + echo_packet([{packet, http_bin}|SockOpts], EchoFun, Config); + true -> ok end, ?line echo_packet([{packet, tpkt}|SockOpts], EchoFun, Config), @@ -183,9 +187,6 @@ echo_test_1(SockOpts, EchoFun, Config0) -> [{type, {asn1, short, LongTag}}|Config]), ?line echo_packet([{packet, asn1}|SockOpts], EchoFun, [{type, {asn1, long, LongTag}}|Config]), - - ?line echo_packet([{packet, http}|SockOpts], EchoFun, Config), - ?line echo_packet([{packet, http_bin}|SockOpts], EchoFun, Config), ok. echo_packet(SockOpts, EchoFun, Opts) -> diff --git a/lib/kernel/test/gen_tcp_misc_SUITE.erl b/lib/kernel/test/gen_tcp_misc_SUITE.erl index b1ef8826d5..c1c5ff8b81 100644 --- a/lib/kernel/test/gen_tcp_misc_SUITE.erl +++ b/lib/kernel/test/gen_tcp_misc_SUITE.erl @@ -40,7 +40,8 @@ accept_timeouts_in_order3/1,accept_timeouts_mixed/1, killing_acceptor/1,killing_multi_acceptors/1,killing_multi_acceptors2/1, several_accepts_in_one_go/1,active_once_closed/1, send_timeout/1, send_timeout_active/1, - otp_7731/1, zombie_sockets/1, otp_7816/1, otp_8102/1]). + otp_7731/1, zombie_sockets/1, otp_7816/1, otp_8102/1, + otp_9389/1]). %% Internal exports. -export([sender/3, not_owner/1, passive_sockets_server/2, priority_server/1, @@ -72,7 +73,7 @@ all() -> killing_acceptor, killing_multi_acceptors, killing_multi_acceptors2, several_accepts_in_one_go, active_once_closed, send_timeout, send_timeout_active, otp_7731, - zombie_sockets, otp_7816, otp_8102]. + zombie_sockets, otp_7816, otp_8102, otp_9389]. groups() -> []. @@ -2479,4 +2480,63 @@ otp_8102_do(LSocket, PortNum, {Bin,PType}) -> io:format("Got error msg, ok.\n",[]), gen_tcp:close(SSocket), gen_tcp:close(RSocket). - + +otp_9389(doc) -> ["Verify packet_size handles long HTTP header lines"]; +otp_9389(suite) -> []; +otp_9389(Config) when is_list(Config) -> + ?line {ok, LS} = gen_tcp:listen(0, []), + ?line {ok, {_, PortNum}} = inet:sockname(LS), + io:format("Listening on ~w with port number ~p\n", [LS, PortNum]), + OrigLinkHdr = "/" ++ string:chars($S, 8192), + _Server = spawn_link( + fun() -> + ?line {ok, S} = gen_tcp:accept(LS), + ?line ok = inet:setopts(S, [{packet_size, 16384}]), + ?line ok = otp_9389_loop(S, OrigLinkHdr), + ?line ok = gen_tcp:close(S) + end), + ?line {ok, S} = gen_tcp:connect("localhost", PortNum, + [binary, {active, false}]), + Req = "GET / HTTP/1.1\r\n" + ++ "Host: localhost\r\n" + ++ "Link: " ++ OrigLinkHdr ++ "\r\n\r\n", + ?line ok = gen_tcp:send(S, Req), + ?line ok = inet:setopts(S, [{packet, http}]), + ?line {ok, {http_response, {1,1}, 200, "OK"}} = gen_tcp:recv(S, 0), + ?line ok = inet:setopts(S, [{packet, httph}, {packet_size, 16384}]), + ?line {ok, {http_header, _, 'Content-Length', _, "0"}} = gen_tcp:recv(S, 0), + ?line {ok, {http_header, _, "Link", _, LinkHdr}} = gen_tcp:recv(S, 0), + ?line true = (LinkHdr == OrigLinkHdr), + ok = gen_tcp:close(S), + ok = gen_tcp:close(LS), + ok. + +otp_9389_loop(S, OrigLinkHdr) -> + ?line ok = inet:setopts(S, [{active,once},{packet,http}]), + receive + {http, S, {http_request, 'GET', _, _}} -> + ?line ok = otp_9389_loop(S, OrigLinkHdr, undefined) + after + 3000 -> + ?line error({timeout,request_line}) + end. +otp_9389_loop(S, OrigLinkHdr, ok) -> + ?line Resp = "HTTP/1.1 200 OK\r\nContent-length: 0\r\n" ++ + "Link: " ++ OrigLinkHdr ++ "\r\n\r\n", + ?line ok = gen_tcp:send(S, Resp); +otp_9389_loop(S, OrigLinkHdr, State) -> + ?line ok = inet:setopts(S, [{active,once}, {packet,httph}]), + receive + {http, S, http_eoh} -> + ?line otp_9389_loop(S, OrigLinkHdr, ok); + {http, S, {http_header, _, "Link", _, LinkHdr}} -> + ?line LinkHdr = OrigLinkHdr, + ?line otp_9389_loop(S, OrigLinkHdr, State); + {http, S, {http_header, _, _Hdr, _, _Val}} -> + ?line otp_9389_loop(S, OrigLinkHdr, State); + {http, S, {http_error, Err}} -> + ?line error({error, Err}) + after + 3000 -> + ?line error({timeout,header}) + end. |