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https://github.com/ninenines/cowboy.git
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a3636adcac
These tests cover frame sizes. It's mostly edge cases for sure (ie misbehaving clients and us having to reject them properly). I had these almost ready for a long time, so I'm glad I can push them out. This requires updating Cowlib too (we currently track master).
1221 lines
52 KiB
Erlang
1221 lines
52 KiB
Erlang
%% Copyright (c) 2016-2017, Loïc Hoguin <essen@ninenines.eu>
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%%
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%% Permission to use, copy, modify, and/or distribute this software for any
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%% purpose with or without fee is hereby granted, provided that the above
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%% copyright notice and this permission notice appear in all copies.
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%%
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%% THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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%% WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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%% MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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%% ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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%% WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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%% ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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%% OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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-module(rfc7540_SUITE).
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-compile(export_all).
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-import(ct_helper, [config/2]).
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-import(ct_helper, [doc/1]).
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-import(cowboy_test, [raw_open/1]).
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-import(cowboy_test, [raw_send/2]).
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-import(cowboy_test, [raw_recv_head/1]).
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-import(cowboy_test, [raw_recv/3]).
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all() -> [{group, clear}, {group, tls}].
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groups() ->
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Modules = ct_helper:all(?MODULE),
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Clear = [M || M <- Modules, lists:sublist(atom_to_list(M), 4) =/= "alpn"] -- [prior_knowledge_reject_tls],
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TLS = [M || M <- Modules, lists:sublist(atom_to_list(M), 4) =:= "alpn"] ++ [prior_knowledge_reject_tls],
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[{clear, [parallel], Clear}, {tls, [parallel], TLS}].
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init_per_group(Name = clear, Config) ->
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cowboy_test:init_http(Name = clear, #{
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env => #{dispatch => cowboy_router:compile(init_routes(Config))}
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}, Config);
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init_per_group(Name = tls, Config) ->
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cowboy_test:init_http2(Name = tls, #{
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env => #{dispatch => cowboy_router:compile(init_routes(Config))}
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}, Config).
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end_per_group(Name, _) ->
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ok = cowboy:stop_listener(Name).
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init_routes(_) -> [
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{"localhost", [
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{"/", hello_h, []},
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{"/echo/:key", echo_h, []}
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]}
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].
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%% Starting HTTP/2 for "http" URIs.
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http_upgrade_ignore_h2(Config) ->
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doc("An h2 token in an Upgrade field must be ignored. (RFC7540 3.2)"),
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{ok, Socket} = gen_tcp:connect("localhost", config(port, Config), [binary, {active, false}]),
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ok = gen_tcp:send(Socket, [
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"GET / HTTP/1.1\r\n"
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"Host: localhost\r\n"
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"Connection: Upgrade, HTTP2-Settings\r\n"
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"Upgrade: h2\r\n"
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"HTTP2-Settings: ", base64:encode(cow_http2:settings_payload(#{})), "\r\n",
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"\r\n"]),
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{ok, <<"HTTP/1.1 200">>} = gen_tcp:recv(Socket, 12, 1000),
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ok.
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http_upgrade_ignore_if_http_10(Config) ->
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doc("The Upgrade header must be ignored if part of an HTTP/1.0 request. (RFC7230 6.7)"),
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{ok, Socket} = gen_tcp:connect("localhost", config(port, Config), [binary, {active, false}]),
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ok = gen_tcp:send(Socket, [
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"GET / HTTP/1.0\r\n"
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"Host: localhost\r\n"
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"Connection: Upgrade, HTTP2-Settings\r\n"
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"Upgrade: h2c\r\n"
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"HTTP2-Settings: ", base64:encode(cow_http2:settings_payload(#{})), "\r\n",
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"\r\n"]),
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{ok, <<"HTTP/1.1 200">>} = gen_tcp:recv(Socket, 12, 1000),
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ok.
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http_upgrade_ignore_missing_upgrade_in_connection(Config) ->
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doc("The Upgrade header must be listed in the "
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"Connection header field. (RFC7230 6.7)"),
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{ok, Socket} = gen_tcp:connect("localhost", config(port, Config), [binary, {active, false}]),
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ok = gen_tcp:send(Socket, [
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"GET / HTTP/1.1\r\n"
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"Host: localhost\r\n"
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"Connection: HTTP2-Settings\r\n"
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"Upgrade: h2c\r\n"
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"HTTP2-Settings: ", base64:encode(cow_http2:settings_payload(#{})), "\r\n",
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"\r\n"]),
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{ok, <<"HTTP/1.1 200">>} = gen_tcp:recv(Socket, 12, 1000),
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ok.
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http_upgrade_ignore_missing_http2_settings_in_connection(Config) ->
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doc("The HTTP2-Settings header must be listed in the "
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"Connection header field. (RFC7540 3.2.1, RFC7230 6.7)"),
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{ok, Socket} = gen_tcp:connect("localhost", config(port, Config), [binary, {active, false}]),
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ok = gen_tcp:send(Socket, [
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"GET / HTTP/1.1\r\n"
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"Host: localhost\r\n"
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"Connection: Upgrade\r\n"
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"Upgrade: h2c\r\n"
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"HTTP2-Settings: ", base64:encode(cow_http2:settings_payload(#{})), "\r\n",
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"\r\n"]),
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{ok, <<"HTTP/1.1 200">>} = gen_tcp:recv(Socket, 12, 1000),
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ok.
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http_upgrade_ignore_zero_http2_settings_header(Config) ->
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doc("The HTTP Upgrade request must include "
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"exactly one HTTP2-Settings header field (RFC7540 3.2, RFC7540 3.2.1)"),
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{ok, Socket} = gen_tcp:connect("localhost", config(port, Config), [binary, {active, false}]),
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ok = gen_tcp:send(Socket, [
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"GET / HTTP/1.1\r\n"
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"Host: localhost\r\n"
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"Connection: Upgrade, HTTP2-Settings\r\n"
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"Upgrade: h2c\r\n"
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"\r\n"]),
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{ok, <<"HTTP/1.1 200">>} = gen_tcp:recv(Socket, 12, 1000),
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ok.
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http_upgrade_reject_two_http2_settings_header(Config) ->
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doc("The HTTP Upgrade request must include "
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"exactly one HTTP2-Settings header field (RFC7540 3.2, RFC7540 3.2.1)"),
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{ok, Socket} = gen_tcp:connect("localhost", config(port, Config), [binary, {active, false}]),
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ok = gen_tcp:send(Socket, [
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"GET / HTTP/1.1\r\n"
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"Host: localhost\r\n"
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"Connection: Upgrade, HTTP2-Settings\r\n"
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"Upgrade: h2c\r\n"
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"HTTP2-Settings: ", base64:encode(cow_http2:settings_payload(#{})), "\r\n",
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"HTTP2-Settings: ", base64:encode(cow_http2:settings_payload(#{})), "\r\n",
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"\r\n"]),
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{ok, <<"HTTP/1.1 400">>} = gen_tcp:recv(Socket, 12, 1000),
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ok.
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http_upgrade_reject_bad_http2_settings_header(Config) ->
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doc("The HTTP Upgrade request must include "
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"a valid HTTP2-Settings header field (RFC7540 3.2, RFC7540 3.2.1)"),
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{ok, Socket} = gen_tcp:connect("localhost", config(port, Config), [binary, {active, false}]),
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ok = gen_tcp:send(Socket, [
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"GET / HTTP/1.1\r\n"
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"Host: localhost\r\n"
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"Connection: Upgrade, HTTP2-Settings\r\n"
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"Upgrade: h2c\r\n"
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%% We send a full SETTINGS frame on purpose.
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"HTTP2-Settings: ", base64:encode(cow_http2:settings(#{})), "\r\n",
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"\r\n"]),
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{ok, <<"HTTP/1.1 400">>} = gen_tcp:recv(Socket, 12, 1000),
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ok.
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%% Match directly for now.
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do_recv_101(Socket) ->
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{ok, <<
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"HTTP/1.1 101 Switching Protocols\r\n"
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"connection: Upgrade\r\n"
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"upgrade: h2c\r\n"
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"\r\n"
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>>} = gen_tcp:recv(Socket, 71, 1000),
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ok.
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http_upgrade_101(Config) ->
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doc("A 101 response must be sent on successful upgrade "
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"to HTTP/2 when using the HTTP Upgrade mechanism. (RFC7540 3.2, RFC7230 6.7)"),
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{ok, Socket} = gen_tcp:connect("localhost", config(port, Config), [binary, {active, false}]),
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ok = gen_tcp:send(Socket, [
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"GET / HTTP/1.1\r\n"
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"Host: localhost\r\n"
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"Connection: Upgrade, HTTP2-Settings\r\n"
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"Upgrade: h2c\r\n"
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"HTTP2-Settings: ", base64:encode(cow_http2:settings_payload(#{})), "\r\n",
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"\r\n"]),
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ok = do_recv_101(Socket),
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ok.
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http_upgrade_server_preface(Config) ->
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doc("The first frame after the upgrade must be a "
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"SETTINGS frame for the server connection preface. (RFC7540 3.2, RFC7540 3.5, RFC7540 6.5)"),
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{ok, Socket} = gen_tcp:connect("localhost", config(port, Config), [binary, {active, false}]),
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ok = gen_tcp:send(Socket, [
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"GET / HTTP/1.1\r\n"
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"Host: localhost\r\n"
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"Connection: Upgrade, HTTP2-Settings\r\n"
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"Upgrade: h2c\r\n"
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"HTTP2-Settings: ", base64:encode(cow_http2:settings_payload(#{})), "\r\n",
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"\r\n"]),
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ok = do_recv_101(Socket),
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%% Receive the server preface.
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{ok, << _:24, 4:8, 0:40 >>} = gen_tcp:recv(Socket, 9, 1000),
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ok.
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http_upgrade_client_preface_timeout(Config) ->
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doc("Clients negotiating HTTP/2 and not sending a preface in "
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"a timely manner must be disconnected."),
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{ok, Socket} = gen_tcp:connect("localhost", config(port, Config), [binary, {active, false}]),
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ok = gen_tcp:send(Socket, [
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"GET / HTTP/1.1\r\n"
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"Host: localhost\r\n"
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"Connection: Upgrade, HTTP2-Settings\r\n"
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"Upgrade: h2c\r\n"
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"HTTP2-Settings: ", base64:encode(cow_http2:settings_payload(#{})), "\r\n",
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"\r\n"]),
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ok = do_recv_101(Socket),
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%% Receive the server preface.
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{ok, << Len:24 >>} = gen_tcp:recv(Socket, 3, 1000),
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{ok, << 4:8, 0:40, _:Len/binary >>} = gen_tcp:recv(Socket, 6 + Len, 1000),
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%% Receive the response to the initial HTTP/1.1 request.
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{ok, << HeadersSkipLen:24, 1:8, _:8, 1:32 >>} = gen_tcp:recv(Socket, 9, 1000),
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{ok, _} = gen_tcp:recv(Socket, HeadersSkipLen, 1000),
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{ok, << DataSkipLen:24, 0:8, _:8, 1:32 >>} = gen_tcp:recv(Socket, 9, 1000),
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{ok, _} = gen_tcp:recv(Socket, DataSkipLen, 1000),
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%% Do not send the preface. Wait for the server to disconnect us.
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{error, closed} = gen_tcp:recv(Socket, 9, 6000),
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ok.
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http_upgrade_reject_missing_client_preface(Config) ->
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doc("Servers must treat an invalid connection preface as a "
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"connection error of type PROTOCOL_ERROR. (RFC7540 3.2, RFC7540 3.5)"),
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{ok, Socket} = gen_tcp:connect("localhost", config(port, Config), [binary, {active, false}]),
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ok = gen_tcp:send(Socket, [
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"GET / HTTP/1.1\r\n"
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"Host: localhost\r\n"
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"Connection: Upgrade, HTTP2-Settings\r\n"
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"Upgrade: h2c\r\n"
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"HTTP2-Settings: ", base64:encode(cow_http2:settings_payload(#{})), "\r\n",
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"\r\n"]),
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ok = do_recv_101(Socket),
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%% Send a SETTINGS frame directly instead of the proper preface.
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ok = gen_tcp:send(Socket, cow_http2:settings(#{})),
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%% Receive the server preface.
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{ok, << Len:24 >>} = gen_tcp:recv(Socket, 3, 1000),
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{ok, << 4:8, 0:40, _:Len/binary >>} = gen_tcp:recv(Socket, 6 + Len, 1000),
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%% We expect the server to close the connection when it receives a bad preface.
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%% The server may however have already started sending the response to the
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%% initial HTTP/1.1 request.
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Received = lists:reverse(lists:foldl(fun(_, Acc) ->
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case gen_tcp:recv(Socket, 9, 1000) of
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{ok, << SkipLen:24, 1:8, _:8, 1:32 >>} ->
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{ok, _} = gen_tcp:recv(Socket, SkipLen, 1000),
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[headers|Acc];
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{ok, << SkipLen:24, 0:8, _:8, 1:32 >>} ->
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{ok, _} = gen_tcp:recv(Socket, SkipLen, 1000),
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[data|Acc];
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{error, _} ->
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[closed|Acc]
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end
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end, [], [1, 2, 3])),
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case Received of
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[closed|_] -> ok;
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[headers, closed|_] -> ok;
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[headers, data, closed] -> ok
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end.
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http_upgrade_reject_invalid_client_preface(Config) ->
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doc("Servers must treat an invalid connection preface as a "
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"connection error of type PROTOCOL_ERROR. (RFC7540 3.2, RFC7540 3.5)"),
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{ok, Socket} = gen_tcp:connect("localhost", config(port, Config), [binary, {active, false}]),
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ok = gen_tcp:send(Socket, [
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"GET / HTTP/1.1\r\n"
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"Host: localhost\r\n"
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"Connection: Upgrade, HTTP2-Settings\r\n"
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"Upgrade: h2c\r\n"
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"HTTP2-Settings: ", base64:encode(cow_http2:settings_payload(#{})), "\r\n",
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"\r\n"]),
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ok = do_recv_101(Socket),
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%% Send a slightly incorrect preface.
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ok = gen_tcp:send(Socket, "PRI * HTTP/2.0\r\n\r\nSM: Value\r\n\r\n"),
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%% Receive the server preface.
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{ok, << Len:24 >>} = gen_tcp:recv(Socket, 3, 1000),
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{ok, << 4:8, 0:40, _:Len/binary >>} = gen_tcp:recv(Socket, 6 + Len, 1000),
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%% We expect the server to close the connection when it receives a bad preface.
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%% The server may however have already started sending the response to the
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%% initial HTTP/1.1 request.
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Received = lists:reverse(lists:foldl(fun(_, Acc) ->
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case gen_tcp:recv(Socket, 9, 1000) of
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{ok, << SkipLen:24, 1:8, _:8, 1:32 >>} ->
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{ok, _} = gen_tcp:recv(Socket, SkipLen, 1000),
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[headers|Acc];
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{ok, << SkipLen:24, 0:8, _:8, 1:32 >>} ->
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{ok, _} = gen_tcp:recv(Socket, SkipLen, 1000),
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[data|Acc];
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{error, _} ->
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[closed|Acc]
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end
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end, [], [1, 2, 3])),
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case Received of
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[closed|_] -> ok;
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[headers, closed|_] -> ok;
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[headers, data, closed] -> ok
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end.
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http_upgrade_reject_missing_client_preface_settings(Config) ->
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doc("Servers must treat an invalid connection preface as a "
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"connection error of type PROTOCOL_ERROR. (RFC7540 3.2, RFC7540 3.5)"),
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{ok, Socket} = gen_tcp:connect("localhost", config(port, Config), [binary, {active, false}]),
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ok = gen_tcp:send(Socket, [
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"GET / HTTP/1.1\r\n"
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"Host: localhost\r\n"
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"Connection: Upgrade, HTTP2-Settings\r\n"
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"Upgrade: h2c\r\n"
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"HTTP2-Settings: ", base64:encode(cow_http2:settings_payload(#{})), "\r\n",
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"\r\n"]),
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ok = do_recv_101(Socket),
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%% Send a valid preface sequence except followed by a PING instead of a SETTINGS frame.
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ok = gen_tcp:send(Socket, ["PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n", cow_http2:ping(0)]),
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%% Receive the server preface.
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{ok, << Len:24 >>} = gen_tcp:recv(Socket, 3, 1000),
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{ok, << 4:8, 0:40, _:Len/binary >>} = gen_tcp:recv(Socket, 6 + Len, 1000),
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%% We expect the server to close the connection when it receives a bad preface.
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%% The server may however have already started sending the response to the
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%% initial HTTP/1.1 request.
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Received = lists:reverse(lists:foldl(fun(_, Acc) ->
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case gen_tcp:recv(Socket, 9, 1000) of
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{ok, << SkipLen:24, 1:8, _:8, 1:32 >>} ->
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{ok, _} = gen_tcp:recv(Socket, SkipLen, 1000),
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[headers|Acc];
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{ok, << SkipLen:24, 0:8, _:8, 1:32 >>} ->
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{ok, _} = gen_tcp:recv(Socket, SkipLen, 1000),
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[data|Acc];
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{error, _} ->
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[closed|Acc]
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end
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end, [], [1, 2, 3])),
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case Received of
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[closed|_] -> ok;
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[headers, closed|_] -> ok;
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[headers, data, closed] -> ok
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end.
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http_upgrade_reject_invalid_client_preface_settings(Config) ->
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doc("Servers must treat an invalid connection preface as a "
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"connection error of type PROTOCOL_ERROR. (RFC7540 3.2, RFC7540 3.5)"),
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{ok, Socket} = gen_tcp:connect("localhost", config(port, Config), [binary, {active, false}]),
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ok = gen_tcp:send(Socket, [
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"GET / HTTP/1.1\r\n"
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"Host: localhost\r\n"
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"Connection: Upgrade, HTTP2-Settings\r\n"
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"Upgrade: h2c\r\n"
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"HTTP2-Settings: ", base64:encode(cow_http2:settings_payload(#{})), "\r\n",
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"\r\n"]),
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ok = do_recv_101(Socket),
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%% Send a valid preface sequence except followed by a badly formed SETTINGS frame.
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ok = gen_tcp:send(Socket, ["PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n", << 0:24, 4:8, 0:9, 1:31 >>]),
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%% Receive the server preface.
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{ok, << Len:24 >>} = gen_tcp:recv(Socket, 3, 1000),
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{ok, << 4:8, 0:40, _:Len/binary >>} = gen_tcp:recv(Socket, 6 + Len, 1000),
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%% We expect the server to close the connection when it receives a bad preface.
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%% The server may however have already started sending the response to the
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%% initial HTTP/1.1 request.
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Received = lists:reverse(lists:foldl(fun(_, Acc) ->
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case gen_tcp:recv(Socket, 9, 1000) of
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{ok, << SkipLen:24, 1:8, _:8, 1:32 >>} ->
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{ok, _} = gen_tcp:recv(Socket, SkipLen, 1000),
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[headers|Acc];
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{ok, << SkipLen:24, 0:8, _:8, 1:32 >>} ->
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{ok, _} = gen_tcp:recv(Socket, SkipLen, 1000),
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[data|Acc];
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{error, _} ->
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[closed|Acc]
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end
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end, [], [1, 2, 3])),
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case Received of
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[closed|_] -> ok;
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[headers, closed|_] -> ok;
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[headers, data, closed] -> ok
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end.
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http_upgrade_accept_client_preface_empty_settings(Config) ->
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doc("The SETTINGS frame in the client preface may be empty. (RFC7540 3.2, RFC7540 3.5)"),
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{ok, Socket} = gen_tcp:connect("localhost", config(port, Config), [binary, {active, false}]),
|
|
ok = gen_tcp:send(Socket, [
|
|
"GET / HTTP/1.1\r\n"
|
|
"Host: localhost\r\n"
|
|
"Connection: Upgrade, HTTP2-Settings\r\n"
|
|
"Upgrade: h2c\r\n"
|
|
"HTTP2-Settings: ", base64:encode(cow_http2:settings_payload(#{})), "\r\n",
|
|
"\r\n"]),
|
|
ok = do_recv_101(Socket),
|
|
%% Send a valid preface sequence except followed by an empty SETTINGS frame.
|
|
ok = gen_tcp:send(Socket, ["PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n", cow_http2:settings(#{})]),
|
|
%% Receive the server preface.
|
|
{ok, << Len:24 >>} = gen_tcp:recv(Socket, 3, 1000),
|
|
{ok, << 4:8, 0:40, _:Len/binary >>} = gen_tcp:recv(Socket, 6 + Len, 1000),
|
|
%% Receive the SETTINGS ack.
|
|
{ok, << 0:24, 4:8, 1:8, 0:32 >>} = gen_tcp:recv(Socket, 9, 1000),
|
|
ok.
|
|
|
|
http_upgrade_client_preface_settings_ack_timeout(Config) ->
|
|
doc("The SETTINGS frames sent by the client must be acknowledged. (RFC7540 3.5, RFC7540 6.5.3)"),
|
|
{ok, Socket} = gen_tcp:connect("localhost", config(port, Config), [binary, {active, false}]),
|
|
ok = gen_tcp:send(Socket, [
|
|
"GET / HTTP/1.1\r\n"
|
|
"Host: localhost\r\n"
|
|
"Connection: Upgrade, HTTP2-Settings\r\n"
|
|
"Upgrade: h2c\r\n"
|
|
"HTTP2-Settings: ", base64:encode(cow_http2:settings_payload(#{})), "\r\n",
|
|
"\r\n"]),
|
|
ok = do_recv_101(Socket),
|
|
%% Send a valid preface.
|
|
ok = gen_tcp:send(Socket, ["PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n", cow_http2:settings(#{})]),
|
|
%% Receive the server preface.
|
|
{ok, << Len:24 >>} = gen_tcp:recv(Socket, 3, 1000),
|
|
{ok, << 4:8, 0:40, _:Len/binary >>} = gen_tcp:recv(Socket, 6 + Len, 1000),
|
|
%% Receive the SETTINGS ack.
|
|
{ok, << 0:24, 4:8, 1:8, 0:32 >>} = gen_tcp:recv(Socket, 9, 1000),
|
|
%% Do not ack the server preface. Expect a GOAWAY with reason SETTINGS_TIMEOUT.
|
|
{ok, << _:24, 7:8, _:72, 4:32 >>} = gen_tcp:recv(Socket, 17, 6000),
|
|
ok.
|
|
|
|
%% @todo We need a successful test with actual options in HTTP2-Settings.
|
|
%% SETTINGS_MAX_FRAME_SIZE is probably the easiest to test. The relevant
|
|
%% RFC quote is:
|
|
%%
|
|
%% 3.2.1
|
|
%% A server decodes and interprets these values as it would any other
|
|
%% SETTINGS frame. Explicit acknowledgement of these settings
|
|
%% (Section 6.5.3) is not necessary, since a 101 response serves as
|
|
%% implicit acknowledgement.
|
|
|
|
%% @todo We need to test an upgrade with a request body. It is probably
|
|
%% worth having a configuration value for how much we accept while still
|
|
%% upgrading (if too big, we would just stay on HTTP/1.1). We therefore
|
|
%% needs a test for when the body is small enough, and one for when the
|
|
%% body is larger than we accept. The relevant RFC quote is:
|
|
%%
|
|
%% 3.2
|
|
%% Requests that contain a payload body MUST be sent in their entirety
|
|
%% before the client can send HTTP/2 frames. This means that a large
|
|
%% request can block the use of the connection until it is completely
|
|
%% sent.
|
|
|
|
%% @todo We should definitely have a test with OPTIONS. The relevant
|
|
%% RFC quote is:
|
|
%%
|
|
%% 3.2
|
|
%% If concurrency of an initial request with subsequent requests is
|
|
%% important, an OPTIONS request can be used to perform the upgrade to
|
|
%% HTTP/2, at the cost of an additional round trip.
|
|
|
|
%% @todo If we ever handle priority, we need to check that the initial
|
|
%% HTTP/1.1 request has default priority. The relevant RFC quote is:
|
|
%%
|
|
%% 3.2
|
|
%% The HTTP/1.1 request that is sent prior to upgrade is assigned a
|
|
%% stream identifier of 1 (see Section 5.1.1) with default priority
|
|
%% values (Section 5.3.5).
|
|
|
|
http_upgrade_response(Config) ->
|
|
doc("A response must be sent to the initial HTTP/1.1 request "
|
|
"after switching to HTTP/2. The response must use "
|
|
"the stream identifier 1. (RFC7540 3.2)"),
|
|
{ok, Socket} = gen_tcp:connect("localhost", config(port, Config), [binary, {active, false}]),
|
|
ok = gen_tcp:send(Socket, [
|
|
"GET / HTTP/1.1\r\n"
|
|
"Host: localhost\r\n"
|
|
"Connection: Upgrade, HTTP2-Settings\r\n"
|
|
"Upgrade: h2c\r\n"
|
|
"HTTP2-Settings: ", base64:encode(cow_http2:settings_payload(#{})), "\r\n",
|
|
"\r\n"]),
|
|
ok = do_recv_101(Socket),
|
|
%% Send a valid preface.
|
|
%% @todo Use non-empty SETTINGS here. Just because.
|
|
ok = gen_tcp:send(Socket, ["PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n", cow_http2:settings(#{})]),
|
|
%% Receive the server preface.
|
|
{ok, << Len:24 >>} = gen_tcp:recv(Socket, 3, 1000),
|
|
{ok, << 4:8, 0:40, _:Len/binary >>} = gen_tcp:recv(Socket, 6 + Len, 1000),
|
|
%% Send the SETTINGS ack.
|
|
ok = gen_tcp:send(Socket, cow_http2:settings_ack()),
|
|
%% Receive the SETTINGS ack, and the response HEADERS and DATA (Stream ID 1).
|
|
Received = lists:reverse(lists:foldl(fun(_, Acc) ->
|
|
case gen_tcp:recv(Socket, 9, 1000) of
|
|
{ok, << 0:24, 4:8, 1:8, 0:32 >>} ->
|
|
[settings_ack|Acc];
|
|
{ok, << SkipLen:24, 1:8, _:8, 1:32 >>} ->
|
|
{ok, _} = gen_tcp:recv(Socket, SkipLen, 1000),
|
|
[headers|Acc];
|
|
{ok, << SkipLen:24, 0:8, _:8, 1:32 >>} ->
|
|
{ok, _} = gen_tcp:recv(Socket, SkipLen, 1000),
|
|
[data|Acc]
|
|
end
|
|
end, [], [1, 2, 3])),
|
|
case Received of
|
|
[settings_ack, headers, data] -> ok;
|
|
[headers, settings_ack, data] -> ok;
|
|
[headers, data, settings_ack] -> ok
|
|
end.
|
|
|
|
http_upgrade_response_half_closed(Config) ->
|
|
doc("The stream for the initial HTTP/1.1 request is half-closed. (RFC7540 3.2)"),
|
|
%% Try sending more data after the upgrade and get an error.
|
|
{ok, Socket} = gen_tcp:connect("localhost", config(port, Config), [binary, {active, false}]),
|
|
ok = gen_tcp:send(Socket, [
|
|
"GET / HTTP/1.1\r\n"
|
|
"Host: localhost\r\n"
|
|
"Connection: Upgrade, HTTP2-Settings\r\n"
|
|
"Upgrade: h2c\r\n"
|
|
"HTTP2-Settings: ", base64:encode(cow_http2:settings_payload(#{})), "\r\n",
|
|
"\r\n"]),
|
|
ok = do_recv_101(Socket),
|
|
%% Send a valid preface followed by an unexpected DATA frame.
|
|
ok = gen_tcp:send(Socket, [
|
|
"PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n",
|
|
cow_http2:settings(#{}),
|
|
cow_http2:data(1, fin, <<"Unexpected DATA frame.">>)
|
|
]),
|
|
%% Receive the server preface.
|
|
{ok, << Len:24 >>} = gen_tcp:recv(Socket, 3, 1000),
|
|
{ok, << 4:8, 0:40, _:Len/binary >>} = gen_tcp:recv(Socket, 6 + Len, 1000),
|
|
%% Skip the SETTINGS ack, receive the response HEADERS, DATA and RST_STREAM (streamid 1).
|
|
Received = lists:reverse(lists:foldl(fun(_, Acc) ->
|
|
case gen_tcp:recv(Socket, 9, 1000) of
|
|
{ok, << 0:24, 4:8, 1:8, 0:32 >>} ->
|
|
Acc;
|
|
{ok, << SkipLen:24, 1:8, _:8, 1:32 >>} ->
|
|
{ok, _} = gen_tcp:recv(Socket, SkipLen, 1000),
|
|
[headers|Acc];
|
|
{ok, << SkipLen:24, 0:8, _:8, 1:32 >>} ->
|
|
{ok, _} = gen_tcp:recv(Socket, SkipLen, 1000),
|
|
[data|Acc];
|
|
{ok, << 4:24, 3:8, 0:8, 1:32 >>} ->
|
|
%% We expect a STREAM_CLOSED reason.
|
|
{ok, << 5:32 >>} = gen_tcp:recv(Socket, 4, 1000),
|
|
[rst_stream|Acc];
|
|
{error, _} ->
|
|
%% Can be timeouts, ignore them.
|
|
Acc
|
|
end
|
|
end, [], [1, 2, 3, 4])),
|
|
case Received of
|
|
[rst_stream] -> ok;
|
|
[headers, rst_stream] -> ok;
|
|
[headers, data, rst_stream] -> ok
|
|
end.
|
|
|
|
%% Starting HTTP/2 for "https" URIs.
|
|
|
|
alpn_ignore_h2c(Config) ->
|
|
doc("An h2c ALPN protocol identifier must be ignored. (RFC7540 3.3)"),
|
|
{ok, Socket} = ssl:connect("localhost", config(port, Config),
|
|
[{alpn_advertised_protocols, [<<"h2c">>, <<"http/1.1">>]}, binary, {active, false}]),
|
|
{ok, <<"http/1.1">>} = ssl:negotiated_protocol(Socket),
|
|
ok.
|
|
|
|
alpn_server_preface(Config) ->
|
|
doc("The first frame must be a SETTINGS frame "
|
|
"for the server connection preface. (RFC7540 3.3, RFC7540 3.5, RFC7540 6.5)"),
|
|
{ok, Socket} = ssl:connect("localhost", config(port, Config),
|
|
[{alpn_advertised_protocols, [<<"h2">>]}, binary, {active, false}]),
|
|
{ok, <<"h2">>} = ssl:negotiated_protocol(Socket),
|
|
%% Receive the server preface.
|
|
{ok, << _:24, 4:8, 0:40 >>} = ssl:recv(Socket, 9, 1000),
|
|
ok.
|
|
|
|
alpn_client_preface_timeout(Config) ->
|
|
doc("Clients negotiating HTTP/2 and not sending a preface in "
|
|
"a timely manner must be disconnected."),
|
|
{ok, Socket} = ssl:connect("localhost", config(port, Config),
|
|
[{alpn_advertised_protocols, [<<"h2">>]}, binary, {active, false}]),
|
|
{ok, <<"h2">>} = ssl:negotiated_protocol(Socket),
|
|
%% Receive the server preface.
|
|
{ok, << Len:24 >>} = ssl:recv(Socket, 3, 1000),
|
|
{ok, << 4:8, 0:40, _:Len/binary >>} = ssl:recv(Socket, 6 + Len, 1000),
|
|
%% Do not send the preface. Wait for the server to disconnect us.
|
|
{error, closed} = ssl:recv(Socket, 3, 6000),
|
|
ok.
|
|
|
|
alpn_reject_missing_client_preface(Config) ->
|
|
doc("Servers must treat an invalid connection preface as a "
|
|
"connection error of type PROTOCOL_ERROR. (RFC7540 3.3, RFC7540 3.5)"),
|
|
{ok, Socket} = ssl:connect("localhost", config(port, Config),
|
|
[{alpn_advertised_protocols, [<<"h2">>]}, binary, {active, false}]),
|
|
{ok, <<"h2">>} = ssl:negotiated_protocol(Socket),
|
|
%% Send a SETTINGS frame directly instead of the proper preface.
|
|
ok = ssl:send(Socket, cow_http2:settings(#{})),
|
|
%% Receive the server preface.
|
|
{ok, << Len:24 >>} = ssl:recv(Socket, 3, 1000),
|
|
{ok, << 4:8, 0:40, _:Len/binary >>} = ssl:recv(Socket, 6 + Len, 1000),
|
|
%% We expect the server to close the connection when it receives a bad preface.
|
|
{error, closed} = ssl:recv(Socket, 3, 1000),
|
|
ok.
|
|
|
|
alpn_reject_invalid_client_preface(Config) ->
|
|
doc("Servers must treat an invalid connection preface as a "
|
|
"connection error of type PROTOCOL_ERROR. (RFC7540 3.3, RFC7540 3.5)"),
|
|
{ok, Socket} = ssl:connect("localhost", config(port, Config),
|
|
[{alpn_advertised_protocols, [<<"h2">>]}, binary, {active, false}]),
|
|
{ok, <<"h2">>} = ssl:negotiated_protocol(Socket),
|
|
%% Send a slightly incorrect preface.
|
|
ok = ssl:send(Socket, "PRI * HTTP/2.0\r\n\r\nSM: Value\r\n\r\n"),
|
|
%% Receive the server preface.
|
|
{ok, << Len:24 >>} = ssl:recv(Socket, 3, 1000),
|
|
{ok, << 4:8, 0:40, _:Len/binary >>} = ssl:recv(Socket, 6 + Len, 1000),
|
|
%% We expect the server to close the connection when it receives a bad preface.
|
|
{error, closed} = ssl:recv(Socket, 3, 1000),
|
|
ok.
|
|
|
|
alpn_reject_missing_client_preface_settings(Config) ->
|
|
doc("Servers must treat an invalid connection preface as a "
|
|
"connection error of type PROTOCOL_ERROR. (RFC7540 3.3, RFC7540 3.5)"),
|
|
{ok, Socket} = ssl:connect("localhost", config(port, Config),
|
|
[{alpn_advertised_protocols, [<<"h2">>]}, binary, {active, false}]),
|
|
{ok, <<"h2">>} = ssl:negotiated_protocol(Socket),
|
|
%% Send a valid preface sequence except followed by a PING instead of a SETTINGS frame.
|
|
ok = ssl:send(Socket, ["PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n", cow_http2:ping(0)]),
|
|
%% Receive the server preface.
|
|
{ok, << Len:24 >>} = ssl:recv(Socket, 3, 1000),
|
|
{ok, << 4:8, 0:40, _:Len/binary >>} = ssl:recv(Socket, 6 + Len, 1000),
|
|
%% We expect the server to close the connection when it receives a bad preface.
|
|
{error, closed} = ssl:recv(Socket, 3, 1000),
|
|
ok.
|
|
|
|
alpn_reject_invalid_client_preface_settings(Config) ->
|
|
doc("Servers must treat an invalid connection preface as a "
|
|
"connection error of type PROTOCOL_ERROR. (RFC7540 3.3, RFC7540 3.5)"),
|
|
{ok, Socket} = ssl:connect("localhost", config(port, Config),
|
|
[{alpn_advertised_protocols, [<<"h2">>]}, binary, {active, false}]),
|
|
{ok, <<"h2">>} = ssl:negotiated_protocol(Socket),
|
|
%% Send a valid preface sequence except followed by a badly formed SETTINGS frame.
|
|
ok = ssl:send(Socket, ["PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n", << 0:24, 4:8, 0:9, 1:31 >>]),
|
|
%% Receive the server preface.
|
|
{ok, << Len:24 >>} = ssl:recv(Socket, 3, 1000),
|
|
{ok, << 4:8, 0:40, _:Len/binary >>} = ssl:recv(Socket, 6 + Len, 1000),
|
|
%% We expect the server to close the connection when it receives a bad preface.
|
|
{error, closed} = ssl:recv(Socket, 3, 1000),
|
|
ok.
|
|
|
|
alpn_accept_client_preface_empty_settings(Config) ->
|
|
doc("The SETTINGS frame in the client preface may be empty. (RFC7540 3.3, RFC7540 3.5)"),
|
|
{ok, Socket} = ssl:connect("localhost", config(port, Config),
|
|
[{alpn_advertised_protocols, [<<"h2">>]}, binary, {active, false}]),
|
|
{ok, <<"h2">>} = ssl:negotiated_protocol(Socket),
|
|
%% Send a valid preface sequence except followed by an empty SETTINGS frame.
|
|
ok = ssl:send(Socket, ["PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n", cow_http2:settings(#{})]),
|
|
%% Receive the server preface.
|
|
{ok, << Len:24 >>} = ssl:recv(Socket, 3, 1000),
|
|
{ok, << 4:8, 0:40, _:Len/binary >>} = ssl:recv(Socket, 6 + Len, 1000),
|
|
%% Receive the SETTINGS ack.
|
|
{ok, << 0:24, 4:8, 1:8, 0:32 >>} = ssl:recv(Socket, 9, 1000),
|
|
ok.
|
|
|
|
alpn_client_preface_settings_ack_timeout(Config) ->
|
|
doc("Failure to acknowledge the server's SETTINGS frame "
|
|
"results in a SETTINGS_TIMEOUT connection error. (RFC7540 3.5, RFC7540 6.5.3)"),
|
|
{ok, Socket} = ssl:connect("localhost", config(port, Config),
|
|
[{alpn_advertised_protocols, [<<"h2">>]}, binary, {active, false}]),
|
|
{ok, <<"h2">>} = ssl:negotiated_protocol(Socket),
|
|
%% Send a valid preface.
|
|
ok = ssl:send(Socket, ["PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n", cow_http2:settings(#{})]),
|
|
%% Receive the server preface.
|
|
{ok, << Len:24 >>} = ssl:recv(Socket, 3, 1000),
|
|
{ok, << 4:8, 0:40, _:Len/binary >>} = ssl:recv(Socket, 6 + Len, 1000),
|
|
%% Receive the SETTINGS ack.
|
|
{ok, << 0:24, 4:8, 1:8, 0:32 >>} = ssl:recv(Socket, 9, 1000),
|
|
%% Do not ack the server preface. Expect a GOAWAY with reason SETTINGS_TIMEOUT.
|
|
{ok, << _:24, 7:8, _:72, 4:32 >>} = ssl:recv(Socket, 17, 6000),
|
|
ok.
|
|
|
|
alpn(Config) ->
|
|
doc("Successful ALPN negotiation. (RFC7540 3.3)"),
|
|
{ok, Socket} = ssl:connect("localhost", config(port, Config),
|
|
[{alpn_advertised_protocols, [<<"h2">>]}, binary, {active, false}]),
|
|
{ok, <<"h2">>} = ssl:negotiated_protocol(Socket),
|
|
%% Send a valid preface.
|
|
%% @todo Use non-empty SETTINGS here. Just because.
|
|
ok = ssl:send(Socket, ["PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n", cow_http2:settings(#{})]),
|
|
%% Receive the server preface.
|
|
{ok, << Len:24 >>} = ssl:recv(Socket, 3, 1000),
|
|
{ok, << 4:8, 0:40, _:Len/binary >>} = ssl:recv(Socket, 6 + Len, 1000),
|
|
%% Send the SETTINGS ack.
|
|
ok = ssl:send(Socket, cow_http2:settings_ack()),
|
|
%% Receive the SETTINGS ack.
|
|
{ok, << 0:24, 4:8, 1:8, 0:32 >>} = ssl:recv(Socket, 9, 1000),
|
|
%% Wait until after the SETTINGS ack timeout was supposed to trigger.
|
|
receive after 6000 -> ok end,
|
|
%% Send a PING.
|
|
ok = ssl:send(Socket, cow_http2:ping(0)),
|
|
%% Receive a PING ack back, indicating the connection is still up.
|
|
{ok, << 8:24, 6:8, 0:7, 1:1, 0:96 >>} = ssl:recv(Socket, 17, 1000),
|
|
ok.
|
|
|
|
%% Starting HTTP/2 with prior knowledge.
|
|
|
|
prior_knowledge_reject_tls(Config) ->
|
|
doc("Implementations that support HTTP/2 over TLS must use ALPN. (RFC7540 3.4)"),
|
|
{ok, Socket} = ssl:connect("localhost", config(port, Config), [binary, {active, false}]),
|
|
%% Send a valid preface.
|
|
ok = ssl:send(Socket, ["PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n", cow_http2:settings(#{})]),
|
|
%% We expect the server to send an HTTP 400 error
|
|
%% when trying to use HTTP/2 without going through ALPN negotiation.
|
|
{ok, <<"HTTP/1.1 400">>} = ssl:recv(Socket, 12, 1000),
|
|
ok.
|
|
|
|
prior_knowledge_server_preface(Config) ->
|
|
doc("The first frame must be a SETTINGS frame "
|
|
"for the server connection preface. (RFC7540 3.4, RFC7540 3.5, RFC7540 6.5)"),
|
|
{ok, Socket} = gen_tcp:connect("localhost", config(port, Config), [binary, {active, false}]),
|
|
%% Send a valid preface.
|
|
ok = gen_tcp:send(Socket, ["PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n", cow_http2:settings(#{})]),
|
|
%% Receive the server preface.
|
|
{ok, << _:24, 4:8, 0:40 >>} = gen_tcp:recv(Socket, 9, 1000),
|
|
ok.
|
|
|
|
%% Note: the client preface timeout doesn't apply in this case,
|
|
%% so we don't test it. An HTTP/1.1 client that does not send
|
|
%% a request in a timely manner will get disconnected by the
|
|
%% HTTP protocol code, not by HTTP/2's.
|
|
|
|
%% Note: the test that starts by sending a SETTINGS frame is
|
|
%% redundant with tests sending garbage on the connection.
|
|
%% From the point of view of an HTTP/1.1 connection, a
|
|
%% SETTINGS frame is indistinguishable from garbage.
|
|
|
|
prior_knowledge_reject_invalid_client_preface(Config) ->
|
|
doc("An incorrect preface is an invalid HTTP/1.1 request. (RFC7540 3.4)"),
|
|
{ok, Socket} = gen_tcp:connect("localhost", config(port, Config), [binary, {active, false}]),
|
|
%% Send a slightly incorrect preface.
|
|
ok = gen_tcp:send(Socket, "PRI * HTTP/2.0\r\n\r\nSM: Value\r\n\r\n"),
|
|
%% We propagate to HTTP/2 after checking only the request-line.
|
|
%% The server then sends its preface before checking the full client preface.
|
|
{ok, << Len:24 >>} = gen_tcp:recv(Socket, 3, 1000),
|
|
{ok, << 4:8, 0:40, _:Len/binary >>} = gen_tcp:recv(Socket, 6 + Len, 1000),
|
|
%% We expect the server to close the connection when it receives a bad preface.
|
|
{error, closed} = gen_tcp:recv(Socket, 9, 1000),
|
|
ok.
|
|
|
|
prior_knowledge_reject_missing_client_preface_settings(Config) ->
|
|
doc("Servers must treat an invalid connection preface as a "
|
|
"connection error of type PROTOCOL_ERROR. (RFC7540 3.4, RFC7540 3.5)"),
|
|
{ok, Socket} = gen_tcp:connect("localhost", config(port, Config), [binary, {active, false}]),
|
|
%% Send a valid preface sequence except followed by a PING instead of a SETTINGS frame.
|
|
ok = gen_tcp:send(Socket, ["PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n", cow_http2:ping(0)]),
|
|
%% Receive the server preface.
|
|
{ok, << Len:24 >>} = gen_tcp:recv(Socket, 3, 1000),
|
|
{ok, << 4:8, 0:40, _:Len/binary >>} = gen_tcp:recv(Socket, 6 + Len, 1000),
|
|
%% We expect the server to close the connection when it receives a bad preface.
|
|
{error, closed} = gen_tcp:recv(Socket, 9, 1000),
|
|
ok.
|
|
|
|
prior_knowledge_reject_invalid_client_preface_settings(Config) ->
|
|
doc("Servers must treat an invalid connection preface as a "
|
|
"connection error of type PROTOCOL_ERROR. (RFC7540 3.4, RFC7540 3.5)"),
|
|
{ok, Socket} = gen_tcp:connect("localhost", config(port, Config), [binary, {active, false}]),
|
|
%% Send a valid preface sequence except followed by a badly formed SETTINGS frame.
|
|
ok = gen_tcp:send(Socket, ["PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n", << 0:24, 4:8, 0:9, 1:31 >>]),
|
|
%% Receive the server preface.
|
|
{ok, << Len:24 >>} = gen_tcp:recv(Socket, 3, 1000),
|
|
{ok, << 4:8, 0:40, _:Len/binary >>} = gen_tcp:recv(Socket, 6 + Len, 1000),
|
|
%% We expect the server to close the connection when it receives a bad preface.
|
|
{error, closed} = gen_tcp:recv(Socket, 9, 1000),
|
|
ok.
|
|
|
|
prior_knowledge_accept_client_preface_empty_settings(Config) ->
|
|
doc("The SETTINGS frame in the client preface may be empty. (RFC7540 3.4, RFC7540 3.5)"),
|
|
{ok, Socket} = gen_tcp:connect("localhost", config(port, Config), [binary, {active, false}]),
|
|
%% Send a valid preface sequence except followed by an empty SETTINGS frame.
|
|
ok = gen_tcp:send(Socket, ["PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n", cow_http2:settings(#{})]),
|
|
%% Receive the server preface.
|
|
{ok, << Len:24 >>} = gen_tcp:recv(Socket, 3, 1000),
|
|
{ok, << 4:8, 0:40, _:Len/binary >>} = gen_tcp:recv(Socket, 6 + Len, 1000),
|
|
%% Receive the SETTINGS ack.
|
|
{ok, << 0:24, 4:8, 1:8, 0:32 >>} = gen_tcp:recv(Socket, 9, 1000),
|
|
ok.
|
|
|
|
prior_knowledge_client_preface_settings_ack_timeout(Config) ->
|
|
doc("The SETTINGS frames sent by the client must be acknowledged. (RFC7540 3.5, RFC7540 6.5.3)"),
|
|
{ok, Socket} = gen_tcp:connect("localhost", config(port, Config), [binary, {active, false}]),
|
|
%% Send a valid preface.
|
|
ok = gen_tcp:send(Socket, ["PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n", cow_http2:settings(#{})]),
|
|
%% Receive the server preface.
|
|
{ok, << Len:24 >>} = gen_tcp:recv(Socket, 3, 1000),
|
|
{ok, << 4:8, 0:40, _:Len/binary >>} = gen_tcp:recv(Socket, 6 + Len, 1000),
|
|
%% Receive the SETTINGS ack.
|
|
{ok, << 0:24, 4:8, 1:8, 0:32 >>} = gen_tcp:recv(Socket, 9, 1000),
|
|
%% Do not ack the server preface. Expect a GOAWAY with reason SETTINGS_TIMEOUT.
|
|
{ok, << _:24, 7:8, _:72, 4:32 >>} = gen_tcp:recv(Socket, 17, 6000),
|
|
ok.
|
|
|
|
%% Do a prior knowledge handshake.
|
|
do_handshake(Config) ->
|
|
{ok, Socket} = gen_tcp:connect("localhost", config(port, Config), [binary, {active, false}]),
|
|
%% Send a valid preface.
|
|
ok = gen_tcp:send(Socket, ["PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n", cow_http2:settings(#{})]),
|
|
%% Receive the server preface.
|
|
{ok, << Len:24 >>} = gen_tcp:recv(Socket, 3, 1000),
|
|
{ok, << 4:8, 0:40, _:Len/binary >>} = gen_tcp:recv(Socket, 6 + Len, 1000),
|
|
%% Send the SETTINGS ack.
|
|
ok = gen_tcp:send(Socket, cow_http2:settings_ack()),
|
|
%% Receive the SETTINGS ack.
|
|
{ok, << 0:24, 4:8, 1:8, 0:32 >>} = gen_tcp:recv(Socket, 9, 1000),
|
|
{ok, Socket}.
|
|
|
|
prior_knowledge(Config) ->
|
|
doc("Streams can be initiated after a successful HTTP/2 connection "
|
|
"with prior knowledge of server capabilities. (RFC7540 3.4)"),
|
|
%% @todo Use non-empty SETTINGS here. Just because.
|
|
{ok, Socket} = do_handshake(Config),
|
|
%% Wait until after the SETTINGS ack timeout was supposed to trigger.
|
|
receive after 6000 -> ok end,
|
|
%% Send a PING.
|
|
ok = gen_tcp:send(Socket, cow_http2:ping(0)),
|
|
%% Receive a PING ack back, indicating the connection is still up.
|
|
{ok, << 8:24, 6:8, 0:7, 1:1, 0:96 >>} = gen_tcp:recv(Socket, 17, 1000),
|
|
ok.
|
|
|
|
%% @todo If we ever add an option to disable HTTP/2, we need to check
|
|
%% the following things:
|
|
%% * HTTP/1.1 Upgrade returns an HTTP/1.1 response (3.2)
|
|
%% * HTTP/1.1 Upgrade errors out if the client sends HTTP/2 frames
|
|
%% without waiting for the 101 response (3.2, 3.5)
|
|
%% * Prior knowledge handshake fails (3.4)
|
|
%% * ALPN selects HTTP/1.1 (3.3)
|
|
|
|
%% Frame size.
|
|
|
|
max_frame_size_allow_exactly_default(Config) ->
|
|
doc("All implementations must allow frame sizes of at least 16384. (RFC7540 4.1, RFC7540 4.2)"),
|
|
{ok, Socket} = do_handshake(Config),
|
|
%% Send a POST request with a DATA frame of exactly 16384 bytes.
|
|
{HeadersBlock, _} = cow_hpack:encode([
|
|
{<<":method">>, <<"POST">>},
|
|
{<<":scheme">>, <<"http">>},
|
|
{<<":authority">>, <<"localhost">>}, %% @todo Correct port number.
|
|
{<<":path">>, <<"/echo/read_body">>}
|
|
]),
|
|
ok = gen_tcp:send(Socket, [
|
|
cow_http2:headers(1, nofin, HeadersBlock),
|
|
cow_http2:data(1, fin, << 0:16384/unit:8 >>)
|
|
]),
|
|
%% Receive a response with the same DATA frame.
|
|
{ok, << SkipLen:24, 1:8, _:8, 1:32 >>} = gen_tcp:recv(Socket, 9, 1000),
|
|
{ok, _} = gen_tcp:recv(Socket, SkipLen, 1000),
|
|
{ok, << 16384:24, 0:8, 1:8, 1:32 >>} = gen_tcp:recv(Socket, 9, 1000),
|
|
{ok, << 0:16384/unit:8 >>} = gen_tcp:recv(Socket, 16384, 1000),
|
|
ok.
|
|
|
|
max_frame_size_reject_larger_than_default(Config) ->
|
|
doc("A FRAME_SIZE_ERROR connection error must be sent when receiving "
|
|
"frames larger than the default 16384 length. (RFC7540 4.1, RFC7540 4.2)"),
|
|
{ok, Socket} = do_handshake(Config),
|
|
%% Send a POST request with a DATA frame larger than 16384 bytes.
|
|
{HeadersBlock, _} = cow_hpack:encode([
|
|
{<<":method">>, <<"POST">>},
|
|
{<<":scheme">>, <<"http">>},
|
|
{<<":authority">>, <<"localhost">>}, %% @todo Correct port number.
|
|
{<<":path">>, <<"/echo/read_body">>}
|
|
]),
|
|
ok = gen_tcp:send(Socket, [
|
|
cow_http2:headers(1, nofin, HeadersBlock),
|
|
cow_http2:data(1, fin, << 0:16385/unit:8 >>)
|
|
]),
|
|
%% Receive a FRAME_SIZE_ERROR connection error.
|
|
{ok, << _:24, 7:8, _:72, 6:32 >>} = gen_tcp:recv(Socket, 17, 6000),
|
|
ok.
|
|
|
|
%% @todo We need configurable SETTINGS in Cowboy for these tests.
|
|
%% max_frame_size_config_reject_too_small(Config) ->
|
|
%% doc("SETTINGS_MAX_FRAME_SIZE configuration values smaller than "
|
|
%% "16384 must be rejected. (RFC7540 6.5.2)"),
|
|
%% %% @todo This requires us to have a configurable SETTINGS in Cowboy.
|
|
%% todo.
|
|
%%
|
|
%% max_frame_size_config_reject_too_large(Config) ->
|
|
%% doc("SETTINGS_MAX_FRAME_SIZE configuration values larger than "
|
|
%% "16777215 must be rejected. (RFC7540 6.5.2)"),
|
|
%% %% @todo This requires us to have a configurable SETTINGS in Cowboy.
|
|
%% todo.
|
|
%%
|
|
%% max_frame_size_allow_exactly_custom(Config) ->
|
|
%% doc("An endpoint that sets SETTINGS_MAX_FRAME_SIZE must allow frames "
|
|
%% "of up to that size. (RFC7540 4.2, RFC7540 6.5.2)"),
|
|
%% %% @todo This requires us to have a configurable SETTINGS in Cowboy.
|
|
%% todo.
|
|
%%
|
|
%% max_frame_size_reject_larger_than_custom(Config) ->
|
|
%% doc("An endpoint that sets SETTINGS_MAX_FRAME_SIZE must reject frames "
|
|
%% "of up to that size with a FRAME_SIZE_ERROR connection error. (RFC7540 4.2, RFC7540 6.5.2)"),
|
|
%% %% @todo This requires us to have a configurable SETTINGS in Cowboy.
|
|
%% todo.
|
|
|
|
%% @todo How do I test this?
|
|
%%
|
|
%% max_frame_size_client_default_respect_limits(Config) ->
|
|
%% doc("The server must not send frame sizes of more "
|
|
%% "than 16384 by default. (RFC7540 4.1, RFC7540 4.2)"),
|
|
|
|
%% This is about the client sending a SETTINGS frame.
|
|
max_frame_size_client_override_reject_too_small(Config) ->
|
|
doc("A SETTINGS_MAX_FRAME_SIZE smaller than 16384 must be rejected "
|
|
"with a PROTOCOL_ERROR connection error. (RFC7540 6.5.2)"),
|
|
{ok, Socket} = do_handshake(Config),
|
|
%% Send a SETTINGS frame with a SETTINGS_MAX_FRAME_SIZE lower than 16384.
|
|
ok = gen_tcp:send(Socket, << 6:24, 4:8, 0:40, 5:16, 16383:32 >>),
|
|
%% Receive a PROTOCOL_ERROR connection error.
|
|
{ok, << _:24, 7:8, _:72, 1:32 >>} = gen_tcp:recv(Socket, 17, 6000),
|
|
ok.
|
|
|
|
%% This is about the client sending a SETTINGS frame.
|
|
max_frame_size_client_override_reject_too_large(Config) ->
|
|
doc("A SETTINGS_MAX_FRAME_SIZE larger than 16777215 must be rejected "
|
|
"with a PROTOCOL_ERROR connection error. (RFC7540 6.5.2)"),
|
|
{ok, Socket} = do_handshake(Config),
|
|
%% Send a SETTINGS frame with a SETTINGS_MAX_FRAME_SIZE larger than 16777215.
|
|
ok = gen_tcp:send(Socket, << 6:24, 4:8, 0:40, 5:16, 16777216:32 >>),
|
|
%% Receive a PROTOCOL_ERROR connection error.
|
|
{ok, << _:24, 7:8, _:72, 1:32 >>} = gen_tcp:recv(Socket, 17, 6000),
|
|
ok.
|
|
|
|
%% @todo How do I test this?
|
|
%%
|
|
%% max_frame_size_client_custom_respect_limits(Config) ->
|
|
%% doc("The server must not send frame sizes of more than "
|
|
%% "client's advertised limits. (RFC7540 4.1, RFC7540 4.2)"),
|
|
|
|
%% I am using FRAME_SIZE_ERROR here because the information in the
|
|
%% frame header tells us this frame is at least 1 byte long, while
|
|
%% the given length is smaller; i.e. it is too small to contain
|
|
%% mandatory frame data (the pad length).
|
|
|
|
data_reject_frame_size_0_padded_flag(Config) ->
|
|
doc("DATA frames of size 0 with the PADDED flag set must be rejected "
|
|
"with a FRAME_SIZE_ERROR connection error. (RFC7540 4.2, RFC7540 6.1)"),
|
|
{ok, Socket} = do_handshake(Config),
|
|
%% Send a POST request with an incorrect padded DATA frame size.
|
|
{HeadersBlock, _} = cow_hpack:encode([
|
|
{<<":method">>, <<"POST">>},
|
|
{<<":scheme">>, <<"http">>},
|
|
{<<":authority">>, <<"localhost">>}, %% @todo Correct port number.
|
|
{<<":path">>, <<"/echo/read_body">>}
|
|
]),
|
|
ok = gen_tcp:send(Socket, [
|
|
cow_http2:headers(1, nofin, HeadersBlock),
|
|
<< 0:24, 0:8, 0:4, 1:1, 0:2, 1:1, 0:1, 1:31 >>
|
|
]),
|
|
%% Receive a FRAME_SIZE_ERROR connection error.
|
|
{ok, << _:24, 7:8, _:72, 6:32 >>} = gen_tcp:recv(Socket, 17, 6000),
|
|
ok.
|
|
|
|
%% This case on the other hand is noted specifically in the RFC
|
|
%% as being a PROTOCOL_ERROR. It can be thought of as the Pad Length
|
|
%% being incorrect, rather than the frame size.
|
|
|
|
data_reject_frame_size_too_small_padded_flag(Config) ->
|
|
doc("DATA frames with Pad Length >= Length must be rejected "
|
|
"with a PROTOCOL_ERROR connection error. (RFC7540 6.1)"),
|
|
{ok, Socket} = do_handshake(Config),
|
|
%% Send a POST request with an incorrect padded DATA frame size.
|
|
{HeadersBlock, _} = cow_hpack:encode([
|
|
{<<":method">>, <<"POST">>},
|
|
{<<":scheme">>, <<"http">>},
|
|
{<<":authority">>, <<"localhost">>}, %% @todo Correct port number.
|
|
{<<":path">>, <<"/echo/read_body">>}
|
|
]),
|
|
ok = gen_tcp:send(Socket, [
|
|
cow_http2:headers(1, nofin, HeadersBlock),
|
|
<< 10:24, 0:8, 0:4, 1:1, 0:2, 1:1, 0:1, 1:31, 10:8, 0:80 >>
|
|
]),
|
|
%% Receive a PROTOCOL_ERROR connection error.
|
|
{ok, << _:24, 7:8, _:72, 1:32 >>} = gen_tcp:recv(Socket, 17, 6000),
|
|
ok.
|
|
|
|
headers_reject_frame_size_0_padded_flag(Config) ->
|
|
doc("HEADERS frames of size 0 with the PADDED flag set must be rejected "
|
|
"with a FRAME_SIZE_ERROR connection error. (RFC7540 4.2, RFC7540 6.2)"),
|
|
{ok, Socket} = do_handshake(Config),
|
|
%% Send a padded HEADERS frame with an incorrect size.
|
|
ok = gen_tcp:send(Socket, << 0:24, 1:8, 0:4, 1:1, 0:2, 1:1, 0:1, 1:31 >>),
|
|
%% Receive a FRAME_SIZE_ERROR connection error.
|
|
{ok, << _:24, 7:8, _:72, 6:32 >>} = gen_tcp:recv(Socket, 17, 6000),
|
|
ok.
|
|
|
|
headers_reject_frame_size_too_small_padded_flag(Config) ->
|
|
doc("HEADERS frames with no priority flag and Pad Length >= Length "
|
|
"must be rejected with a PROTOCOL_ERROR connection error. (RFC7540 6.2)"),
|
|
{ok, Socket} = do_handshake(Config),
|
|
%% Send a padded HEADERS frame with an incorrect size.
|
|
ok = gen_tcp:send(Socket, << 10:24, 1:8, 0:4, 1:1, 0:2, 1:1, 0:1, 1:31, 10:8, 0:80 >>),
|
|
%% Receive a PROTOCOL_ERROR connection error.
|
|
{ok, << _:24, 7:8, _:72, 1:32 >>} = gen_tcp:recv(Socket, 17, 6000),
|
|
ok.
|
|
|
|
headers_reject_frame_size_too_small_priority_flag(Config) ->
|
|
doc("HEADERS frames of size smaller than 5 with the PRIORITY flag set must be rejected "
|
|
"with a FRAME_SIZE_ERROR connection error. (RFC7540 4.2, RFC7540 6.2)"),
|
|
{ok, Socket} = do_handshake(Config),
|
|
%% Send a HEADERS frame with priority set and an incorrect size.
|
|
ok = gen_tcp:send(Socket, << 4:24, 1:8,
|
|
0:2, 1:1, 0:4, 1:1, 0:1, 1:31, 0:1, 3:31, 0:8 >>),
|
|
%% Receive a FRAME_SIZE_ERROR connection error.
|
|
{ok, << _:24, 7:8, _:72, 6:32 >>} = gen_tcp:recv(Socket, 17, 6000),
|
|
ok.
|
|
|
|
headers_reject_frame_size_5_padded_and_priority_flags(Config) ->
|
|
doc("HEADERS frames of size smaller than 6 with the PADDED "
|
|
"and PRIORITY flags set must be rejected "
|
|
"with a FRAME_SIZE_ERROR connection error. (RFC7540 4.2, RFC7540 6.2)"),
|
|
{ok, Socket} = do_handshake(Config),
|
|
%% Send a padded HEADERS frame with an incorrect size.
|
|
ok = gen_tcp:send(Socket, << 5:24, 1:8,
|
|
0:2, 1:1, 0:1, 1:1, 0:2, 1:1, 0:1, 1:31, 0:8, 0:1, 3:31, 0:8 >>),
|
|
%% Receive a FRAME_SIZE_ERROR connection error.
|
|
{ok, << _:24, 7:8, _:72, 6:32 >>} = gen_tcp:recv(Socket, 17, 6000),
|
|
ok.
|
|
|
|
headers_reject_frame_size_too_small_padded_and_priority_flags(Config) ->
|
|
doc("HEADERS frames of size smaller than Length+6 with the PADDED and PRIORITY flags set "
|
|
"must be rejected with a FRAME_SIZE_ERROR connection error. (RFC7540 4.2, RFC7540 6.2)"),
|
|
{ok, Socket} = do_handshake(Config),
|
|
%% Send a padded HEADERS frame with an incorrect size.
|
|
ok = gen_tcp:send(Socket, << 15:24, 1:8,
|
|
0:2, 1:1, 0:1, 1:1, 0:2, 1:1, 0:1, 1:31, 10:8, 0:1, 3:31, 0:8, 0:80 >>),
|
|
%% Receive a PROTOCOL_ERROR connection error.
|
|
{ok, << _:24, 7:8, _:72, 1:32 >>} = gen_tcp:recv(Socket, 17, 6000),
|
|
ok.
|
|
|
|
priority_reject_frame_size_too_small(Config) ->
|
|
doc("PRIORITY frames of size smaller than 5 must be rejected "
|
|
"with a FRAME_SIZE_ERROR connection error. (RFC7540 4.2, RFC7540 6.3)"),
|
|
{ok, Socket} = do_handshake(Config),
|
|
%% Send a PRIORITY frame with an incorrect size.
|
|
ok = gen_tcp:send(Socket, << 4:24, 2:8, 0:9, 1:31, 0:1, 3:31, 0:8 >>),
|
|
%% Receive a FRAME_SIZE_ERROR stream error.
|
|
{ok, << _:24, 3:8, _:40, 6:32 >>} = gen_tcp:recv(Socket, 13, 6000),
|
|
ok.
|
|
|
|
priority_reject_frame_size_too_large(Config) ->
|
|
doc("PRIORITY frames of size larger than 5 must be rejected "
|
|
"with a FRAME_SIZE_ERROR connection error. (RFC7540 4.2, RFC7540 6.3)"),
|
|
{ok, Socket} = do_handshake(Config),
|
|
%% Send a PRIORITY frame with an incorrect size.
|
|
ok = gen_tcp:send(Socket, << 6:24, 2:8, 0:9, 1:31, 0:1, 3:31, 0:16 >>),
|
|
%% Receive a FRAME_SIZE_ERROR stream error.
|
|
{ok, << _:24, 3:8, _:40, 6:32 >>} = gen_tcp:recv(Socket, 13, 6000),
|
|
ok.
|
|
|
|
rst_stream_reject_frame_size_too_small(Config) ->
|
|
doc("RST_STREAM frames of size smaller than 4 must be rejected "
|
|
"with a FRAME_SIZE_ERROR connection error. (RFC7540 4.2, RFC7540 6.4)"),
|
|
{ok, Socket} = do_handshake(Config),
|
|
%% Send a request and reset it immediately.
|
|
{HeadersBlock, _} = cow_hpack:encode([
|
|
{<<":method">>, <<"GET">>},
|
|
{<<":scheme">>, <<"http">>},
|
|
{<<":authority">>, <<"localhost">>}, %% @todo Correct port number.
|
|
{<<":path">>, <<"/">>}
|
|
]),
|
|
ok = gen_tcp:send(Socket, [
|
|
cow_http2:headers(1, fin, HeadersBlock),
|
|
<< 3:24, 3:8, 0:9, 1:31, 8:32 >>
|
|
]),
|
|
%% Receive a FRAME_SIZE_ERROR connection error.
|
|
{ok, << _:24, 7:8, _:72, 6:32 >>} = gen_tcp:recv(Socket, 17, 6000),
|
|
ok.
|
|
|
|
rst_stream_reject_frame_size_too_large(Config) ->
|
|
doc("RST_STREAM frames of size larger than 4 must be rejected "
|
|
"with a FRAME_SIZE_ERROR connection error. (RFC7540 4.2, RFC7540 6.4)"),
|
|
{ok, Socket} = do_handshake(Config),
|
|
%% Send a request and reset it immediately.
|
|
{HeadersBlock, _} = cow_hpack:encode([
|
|
{<<":method">>, <<"GET">>},
|
|
{<<":scheme">>, <<"http">>},
|
|
{<<":authority">>, <<"localhost">>}, %% @todo Correct port number.
|
|
{<<":path">>, <<"/">>}
|
|
]),
|
|
ok = gen_tcp:send(Socket, [
|
|
cow_http2:headers(1, fin, HeadersBlock),
|
|
<< 5:24, 3:8, 0:9, 1:31, 8:32 >>
|
|
]),
|
|
%% Receive a FRAME_SIZE_ERROR connection error.
|
|
{ok, << _:24, 7:8, _:72, 6:32 >>} = gen_tcp:recv(Socket, 17, 6000),
|
|
ok.
|
|
|
|
settings_reject_bad_frame_size(Config) ->
|
|
doc("SETTINGS frames must have a size multiple of 6 or be rejected "
|
|
"with a FRAME_SIZE_ERROR connection error. (RFC7540 4.2, RFC7540 6.5)"),
|
|
{ok, Socket} = do_handshake(Config),
|
|
%% Send a SETTINGS frame with an incorrect size.
|
|
ok = gen_tcp:send(Socket, << 5:24, 4:8, 0:40, 1:16, 4096:32 >>),
|
|
%% Receive a FRAME_SIZE_ERROR connection error.
|
|
{ok, << _:24, 7:8, _:72, 6:32 >>} = gen_tcp:recv(Socket, 17, 6000),
|
|
ok.
|
|
|
|
settings_ack_reject_non_empty_frame_size(Config) ->
|
|
doc("SETTINGS frames with the ACK flag set and a non-empty payload "
|
|
"must be rejected with a FRAME_SIZE_ERROR connection error (RFC7540 4.2, RFC7540 6.5)"),
|
|
{ok, Socket} = gen_tcp:connect("localhost", config(port, Config), [binary, {active, false}]),
|
|
%% Send a valid preface.
|
|
ok = gen_tcp:send(Socket, ["PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n", cow_http2:settings(#{})]),
|
|
%% Receive the server preface.
|
|
{ok, << Len:24 >>} = gen_tcp:recv(Socket, 3, 1000),
|
|
{ok, << 4:8, 0:40, _:Len/binary >>} = gen_tcp:recv(Socket, 6 + Len, 1000),
|
|
%% Send a SETTINGS ack with a payload.
|
|
ok = gen_tcp:send(Socket, << 6:24, 4:8, 0:7, 1:1, 0:32, 1:16, 4096:32 >>),
|
|
%% Receive the SETTINGS ack.
|
|
{ok, << 0:24, 4:8, 1:8, 0:32 >>} = gen_tcp:recv(Socket, 9, 1000),
|
|
%% Receive a FRAME_SIZE_ERROR connection error.
|
|
{ok, << _:24, 7:8, _:72, 6:32 >>} = gen_tcp:recv(Socket, 17, 6000),
|
|
ok.
|
|
|
|
%% Note that clients are not supposed to send PUSH_PROMISE frames.
|
|
%% However when they do, we need to be able to parse it in order
|
|
%% to reject it, and so these errors may still occur.
|
|
|
|
push_promise_reject_frame_size_too_small(Config) ->
|
|
doc("PUSH_PROMISE frames of size smaller than 4 must be rejected "
|
|
"with a FRAME_SIZE_ERROR connection error. (RFC7540 4.2, RFC7540 6.6)"),
|
|
{ok, Socket} = do_handshake(Config),
|
|
%% Send a PUSH_PROMISE frame with an incorrect size.
|
|
{HeadersBlock, _} = cow_hpack:encode([
|
|
{<<":method">>, <<"GET">>},
|
|
{<<":scheme">>, <<"http">>},
|
|
{<<":authority">>, <<"localhost">>}, %% @todo Correct port number.
|
|
{<<":path">>, <<"/">>}
|
|
]),
|
|
ok = gen_tcp:send(Socket, [
|
|
<< 3:24, 5:8, 0:5, 1:1, 0:3, 1:31, 0:1, 3:31 >>,
|
|
HeadersBlock
|
|
]),
|
|
%% Receive a FRAME_SIZE_ERROR connection error.
|
|
{ok, << _:24, 7:8, _:72, 6:32 >>} = gen_tcp:recv(Socket, 17, 6000),
|
|
ok.
|
|
|
|
push_promise_reject_frame_size_4_padded_flag(Config) ->
|
|
doc("PUSH_PROMISE frames of size smaller than 5 with the PADDED flag set must be rejected "
|
|
"with a FRAME_SIZE_ERROR connection error. (RFC7540 4.2, RFC7540 6.6)"),
|
|
{ok, Socket} = do_handshake(Config),
|
|
%% Send a PUSH_PROMISE frame with an incorrect size.
|
|
{HeadersBlock, _} = cow_hpack:encode([
|
|
{<<":method">>, <<"GET">>},
|
|
{<<":scheme">>, <<"http">>},
|
|
{<<":authority">>, <<"localhost">>}, %% @todo Correct port number.
|
|
{<<":path">>, <<"/">>}
|
|
]),
|
|
ok = gen_tcp:send(Socket, [
|
|
<< 4:24, 5:8, 0:4, 1:1, 1:1, 0:3, 1:31, 0:1, 0:8, 3:31 >>,
|
|
HeadersBlock
|
|
]),
|
|
%% Receive a FRAME_SIZE_ERROR connection error.
|
|
{ok, << _:24, 7:8, _:72, 6:32 >>} = gen_tcp:recv(Socket, 17, 6000),
|
|
ok.
|
|
|
|
push_promise_reject_frame_size_too_small_padded_flag(Config) ->
|
|
doc("PUSH_PROMISE frames of size smaller than Length+5 with the PADDED flag set "
|
|
"must be rejected with a PROTOCOL_ERROR connection error. (RFC7540 4.2, RFC7540 6.6)"),
|
|
{ok, Socket} = do_handshake(Config),
|
|
%% Send a PUSH_PROMISE frame with an incorrect size.
|
|
{HeadersBlock, _} = cow_hpack:encode([
|
|
{<<":method">>, <<"GET">>},
|
|
{<<":scheme">>, <<"http">>},
|
|
{<<":authority">>, <<"localhost">>}, %% @todo Correct port number.
|
|
{<<":path">>, <<"/">>}
|
|
]),
|
|
ok = gen_tcp:send(Socket, [
|
|
<< 14:24, 5:8, 0:4, 1:1, 1:1, 0:3, 1:31, 10:8, 0:1, 3:31 >>,
|
|
HeadersBlock,
|
|
<< 0:80 >>
|
|
]),
|
|
%% Receive a PROTOCOL_ERROR connection error.
|
|
{ok, << _:24, 7:8, _:72, 1:32 >>} = gen_tcp:recv(Socket, 17, 6000),
|
|
ok.
|
|
|
|
ping_reject_frame_size_too_small(Config) ->
|
|
doc("PING frames of size smaller than 8 must be rejected "
|
|
"with a FRAME_SIZE_ERROR connection error. (RFC7540 4.2, RFC7540 6.7)"),
|
|
{ok, Socket} = do_handshake(Config),
|
|
%% Send a PING frame with an incorrect size.
|
|
ok = gen_tcp:send(Socket, << 7:24, 6:8, 0:40, 0:56 >>),
|
|
%% Receive a FRAME_SIZE_ERROR connection error.
|
|
{ok, << _:24, 7:8, _:72, 6:32 >>} = gen_tcp:recv(Socket, 17, 6000),
|
|
ok.
|
|
|
|
ping_reject_frame_size_too_large(Config) ->
|
|
doc("PING frames of size larger than 8 must be rejected "
|
|
"with a FRAME_SIZE_ERROR connection error. (RFC7540 4.2, RFC7540 6.7)"),
|
|
{ok, Socket} = do_handshake(Config),
|
|
%% Send a PING frame with an incorrect size.
|
|
ok = gen_tcp:send(Socket, << 9:24, 6:8, 0:40, 0:72 >>),
|
|
%% Receive a FRAME_SIZE_ERROR connection error.
|
|
{ok, << _:24, 7:8, _:72, 6:32 >>} = gen_tcp:recv(Socket, 17, 6000),
|
|
ok.
|
|
|
|
goaway_reject_frame_size_too_small(Config) ->
|
|
doc("GOAWAY frames of size smaller than 8 must be rejected "
|
|
"with a FRAME_SIZE_ERROR connection error. (RFC7540 4.2, RFC7540 6.8)"),
|
|
{ok, Socket} = do_handshake(Config),
|
|
%% Send a GOAWAY frame with an incorrect size.
|
|
ok = gen_tcp:send(Socket, << 7:24, 7:8, 0:40, 0:56 >>),
|
|
%% Receive a FRAME_SIZE_ERROR connection error.
|
|
{ok, << _:24, 7:8, _:72, 6:32 >>} = gen_tcp:recv(Socket, 17, 6000),
|
|
ok.
|
|
|
|
goaway_allow_frame_size_too_large(Config) ->
|
|
doc("GOAWAY frames of size larger than 8 must be allowed. (RFC7540 6.8)"),
|
|
{ok, Socket} = do_handshake(Config),
|
|
%% Send a GOAWAY frame with debug data.
|
|
ok = gen_tcp:send(Socket, << 12:24, 7:8, 0:40, 0:64, 99999:32 >>),
|
|
%% Receive a GOAWAY frame back.
|
|
{ok, << _:24, 7:8, _:72, 0:32 >>} = gen_tcp:recv(Socket, 17, 6000),
|
|
ok.
|
|
|
|
window_update_reject_frame_size_too_small(Config) ->
|
|
doc("WINDOW_UPDATE frames of size smaller than 4 must be rejected "
|
|
"with a FRAME_SIZE_ERROR connection error. (RFC7540 4.2, RFC7540 6.9)"),
|
|
{ok, Socket} = do_handshake(Config),
|
|
%% Send a WINDOW_UPDATE frame with an incorrect size.
|
|
ok = gen_tcp:send(Socket, << 3:24, 8:8, 0:40, 1000:24 >>),
|
|
%% Receive a FRAME_SIZE_ERROR connection error.
|
|
{ok, << _:24, 7:8, _:72, 6:32 >>} = gen_tcp:recv(Socket, 17, 6000),
|
|
ok.
|
|
|
|
window_update_reject_frame_size_too_large(Config) ->
|
|
doc("WINDOW_UPDATE frames of size larger than 4 must be rejected "
|
|
"with a FRAME_SIZE_ERROR connection error. (RFC7540 4.2, RFC7540 6.9)"),
|
|
{ok, Socket} = do_handshake(Config),
|
|
%% Send a WINDOW_UPDATE frame with an incorrect size.
|
|
ok = gen_tcp:send(Socket, << 5:24, 8:8, 0:40, 1000:40 >>),
|
|
%% Receive a FRAME_SIZE_ERROR connection error.
|
|
{ok, << _:24, 7:8, _:72, 6:32 >>} = gen_tcp:recv(Socket, 17, 6000),
|
|
ok.
|
|
|
|
%% Note: There is no particular limits on the size of CONTINUATION frames,
|
|
%% they can go from 0 to SETTINGS_MAX_FRAME_SIZE.
|