| import pytest |
| |
| from .env import H2Conf, H2TestEnv |
| |
| |
| def frame_padding(payload, padbits): |
| mask = (1 << padbits) - 1 |
| return ((payload + 9 + mask) & ~mask) - (payload + 9) |
| |
| |
| @pytest.mark.skipif(condition=H2TestEnv.is_unsupported, reason="mod_http2 not supported here") |
| class TestPadding: |
| |
| @pytest.fixture(autouse=True, scope='class') |
| def _class_scope(self, env): |
| def add_echo_handler(conf): |
| conf.add([ |
| "<Location \"/h2test/echo\">", |
| " SetHandler h2test-echo", |
| "</Location>", |
| ]) |
| |
| conf = H2Conf(env) |
| conf.start_vhost(domains=[f"ssl.{env.http_tld}"], port=env.https_port, doc_root="htdocs/cgi") |
| add_echo_handler(conf) |
| conf.end_vhost() |
| conf.start_vhost(domains=[f"pad0.{env.http_tld}"], port=env.https_port, doc_root="htdocs/cgi") |
| conf.add("H2Padding 0") |
| add_echo_handler(conf) |
| conf.end_vhost() |
| conf.start_vhost(domains=[f"pad1.{env.http_tld}"], port=env.https_port, doc_root="htdocs/cgi") |
| conf.add("H2Padding 1") |
| add_echo_handler(conf) |
| conf.end_vhost() |
| conf.start_vhost(domains=[f"pad2.{env.http_tld}"], port=env.https_port, doc_root="htdocs/cgi") |
| conf.add("H2Padding 2") |
| add_echo_handler(conf) |
| conf.end_vhost() |
| conf.start_vhost(domains=[f"pad3.{env.http_tld}"], port=env.https_port, doc_root="htdocs/cgi") |
| conf.add("H2Padding 3") |
| add_echo_handler(conf) |
| conf.end_vhost() |
| conf.start_vhost(domains=[f"pad8.{env.http_tld}"], port=env.https_port, doc_root="htdocs/cgi") |
| conf.add("H2Padding 8") |
| add_echo_handler(conf) |
| conf.end_vhost() |
| conf.install() |
| assert env.apache_restart() == 0 |
| |
| # default paddings settings: 0 bits |
| def test_h2_104_01(self, env, repeat): |
| url = env.mkurl("https", "ssl", "/h2test/echo") |
| # we get 2 frames back: one with data and an empty one with EOF |
| # check the number of padding bytes is as expected |
| for data in ["x", "xx", "xxx", "xxxx", "xxxxx", "xxxxxx", "xxxxxxx", "xxxxxxxx"]: |
| r = env.nghttp().post_data(url, data, 5) |
| assert r.response["status"] == 200 |
| for i in r.results["paddings"]: |
| assert i == frame_padding(len(data)+1, 0) |
| |
| # 0 bits of padding |
| def test_h2_104_02(self, env): |
| url = env.mkurl("https", "pad0", "/h2test/echo") |
| for data in ["x", "xx", "xxx", "xxxx", "xxxxx", "xxxxxx", "xxxxxxx", "xxxxxxxx"]: |
| r = env.nghttp().post_data(url, data, 5) |
| assert r.response["status"] == 200 |
| for i in r.results["paddings"]: |
| assert i == 0 |
| |
| # 1 bit of padding |
| def test_h2_104_03(self, env): |
| url = env.mkurl("https", "pad1", "/h2test/echo") |
| for data in ["x", "xx", "xxx", "xxxx", "xxxxx", "xxxxxx", "xxxxxxx", "xxxxxxxx"]: |
| r = env.nghttp().post_data(url, data, 5) |
| assert r.response["status"] == 200 |
| for i in r.results["paddings"]: |
| assert i in range(0, 2) |
| |
| # 2 bits of padding |
| def test_h2_104_04(self, env): |
| url = env.mkurl("https", "pad2", "/h2test/echo") |
| for data in ["x", "xx", "xxx", "xxxx", "xxxxx", "xxxxxx", "xxxxxxx", "xxxxxxxx"]: |
| r = env.nghttp().post_data(url, data, 5) |
| assert r.response["status"] == 200 |
| for i in r.results["paddings"]: |
| assert i in range(0, 4) |
| |
| # 3 bits of padding |
| def test_h2_104_05(self, env): |
| url = env.mkurl("https", "pad3", "/h2test/echo") |
| for data in ["x", "xx", "xxx", "xxxx", "xxxxx", "xxxxxx", "xxxxxxx", "xxxxxxxx"]: |
| r = env.nghttp().post_data(url, data, 5) |
| assert r.response["status"] == 200 |
| for i in r.results["paddings"]: |
| assert i in range(0, 8) |
| |
| # 8 bits of padding |
| def test_h2_104_06(self, env): |
| url = env.mkurl("https", "pad8", "/h2test/echo") |
| for data in ["x", "xx", "xxx", "xxxx", "xxxxx", "xxxxxx", "xxxxxxx", "xxxxxxxx"]: |
| r = env.nghttp().post_data(url, data, 5) |
| assert r.response["status"] == 200 |
| for i in r.results["paddings"]: |
| assert i in range(0, 256) |
