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1 /*
2  * nghttp2 - HTTP/2 C Library
3  *
4  * Copyright (c) 2013 Tatsuhiro Tsujikawa
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining
7  * a copy of this software and associated documentation files (the
8  * "Software"), to deal in the Software without restriction, including
9  * without limitation the rights to use, copy, modify, merge, publish,
10  * distribute, sublicense, and/or sell copies of the Software, and to
11  * permit persons to whom the Software is furnished to do so, subject to
12  * the following conditions:
13  *
14  * The above copyright notice and this permission notice shall be
15  * included in all copies or substantial portions of the Software.
16  *
17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
20  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
21  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24  */
25 #include "http2_test.h"
26 
27 #include <cassert>
28 #include <cstring>
29 #include <iostream>
30 
31 #include "munitxx.h"
32 
33 #include "url-parser/url_parser.h"
34 
35 #include "http2.h"
36 #include "util.h"
37 
38 using namespace nghttp2;
39 using namespace std::literals;
40 
41 #define MAKE_NV(K, V)                                                          \
42   {                                                                            \
43     (uint8_t *)K,  (uint8_t *)V,         sizeof(K) - 1,                        \
44     sizeof(V) - 1, NGHTTP2_NV_FLAG_NONE,                                       \
45   }
46 
47 namespace shrpx {
48 
49 namespace {
50 const MunitTest tests[]{
51   munit_void_test(test_http2_add_header),
52   munit_void_test(test_http2_get_header),
53   munit_void_test(test_http2_copy_headers_to_nva),
54   munit_void_test(test_http2_build_http1_headers_from_headers),
55   munit_void_test(test_http2_lws),
56   munit_void_test(test_http2_rewrite_location_uri),
57   munit_void_test(test_http2_parse_http_status_code),
58   munit_void_test(test_http2_index_header),
59   munit_void_test(test_http2_lookup_token),
60   munit_void_test(test_http2_parse_link_header),
61   munit_void_test(test_http2_path_join),
62   munit_void_test(test_http2_normalize_path),
63   munit_void_test(test_http2_rewrite_clean_path),
64   munit_void_test(test_http2_get_pure_path_component),
65   munit_void_test(test_http2_construct_push_component),
66   munit_void_test(test_http2_contains_trailers),
67   munit_void_test(test_http2_check_transfer_encoding),
68   munit_test_end(),
69 };
70 } // namespace
71 
72 const MunitSuite http2_suite{
73   "/http2", tests, NULL, 1, MUNIT_SUITE_OPTION_NONE,
74 };
75 
76 namespace {
check_nv(const HeaderRef & a,const nghttp2_nv * b)77 void check_nv(const HeaderRef &a, const nghttp2_nv *b) {
78   assert_size(a.name.size(), ==, b->namelen);
79   assert_size(a.value.size(), ==, b->valuelen);
80   assert_memory_equal(b->namelen, a.name.data(), b->name);
81   assert_memory_equal(b->valuelen, a.value.data(), b->value);
82 }
83 } // namespace
84 
test_http2_add_header(void)85 void test_http2_add_header(void) {
86   auto nva = Headers();
87 
88   http2::add_header(nva, "alpha"_sr, "123"_sr, false, -1);
89   assert_true(Headers::value_type("alpha", "123") == nva[0]);
90   assert_false(nva[0].no_index);
91 
92   nva.clear();
93 
94   http2::add_header(nva, "alpha"_sr, ""_sr, true, -1);
95   assert_true(Headers::value_type("alpha", "") == nva[0]);
96   assert_true(nva[0].no_index);
97 
98   nva.clear();
99 
100   http2::add_header(nva, "a"_sr, "b"_sr, false, -1);
101   assert_true(Headers::value_type("a", "b") == nva[0]);
102 
103   nva.clear();
104 
105   http2::add_header(nva, "te"_sr, "trailers"_sr, false, http2::HD_TE);
106   assert_int32(http2::HD_TE, ==, nva[0].token);
107 }
108 
test_http2_get_header(void)109 void test_http2_get_header(void) {
110   auto nva = Headers{{"alpha", "1"},         {"bravo", "2"}, {"bravo", "3"},
111                      {"charlie", "4"},       {"delta", "5"}, {"echo", "6"},
112                      {"content-length", "7"}};
113   const Headers::value_type *rv;
114   rv = http2::get_header(nva, "delta");
115   assert_not_null(rv);
116   assert_stdstring_equal("delta", rv->name);
117 
118   rv = http2::get_header(nva, "bravo");
119   assert_not_null(rv);
120   assert_stdstring_equal("bravo", rv->name);
121 
122   rv = http2::get_header(nva, "foxtrot");
123   assert_null(rv);
124 
125   http2::HeaderIndex hdidx;
126   http2::init_hdidx(hdidx);
127   hdidx[http2::HD_CONTENT_LENGTH] = 6;
128   rv = http2::get_header(hdidx, http2::HD_CONTENT_LENGTH, nva);
129   assert_stdstring_equal("content-length", rv->name);
130 }
131 
132 namespace {
133 auto headers = HeaderRefs{
134   {"alpha"_sr, "0"_sr, true},
135   {"bravo"_sr, "1"_sr},
136   {"connection"_sr, "2"_sr, false, http2::HD_CONNECTION},
137   {"connection"_sr, "3"_sr, false, http2::HD_CONNECTION},
138   {"delta"_sr, "4"_sr},
139   {"expect"_sr, "5"_sr},
140   {"foxtrot"_sr, "6"_sr},
141   {"tango"_sr, "7"_sr},
142   {"te"_sr, "8"_sr, false, http2::HD_TE},
143   {"te"_sr, "9"_sr, false, http2::HD_TE},
144   {"x-forwarded-proto"_sr, "10"_sr, false, http2::HD_X_FORWARDED_FOR},
145   {"x-forwarded-proto"_sr, "11"_sr, false, http2::HD_X_FORWARDED_FOR},
146   {"zulu"_sr, "12"_sr}};
147 } // namespace
148 
149 namespace {
150 auto headers2 = HeaderRefs{
151   {"x-forwarded-for"_sr, "xff1"_sr, false, http2::HD_X_FORWARDED_FOR},
152   {"x-forwarded-for"_sr, "xff2"_sr, false, http2::HD_X_FORWARDED_FOR},
153   {"x-forwarded-proto"_sr, "xfp1"_sr, false, http2::HD_X_FORWARDED_PROTO},
154   {"x-forwarded-proto"_sr, "xfp2"_sr, false, http2::HD_X_FORWARDED_PROTO},
155   {"forwarded"_sr, "fwd1"_sr, false, http2::HD_FORWARDED},
156   {"forwarded"_sr, "fwd2"_sr, false, http2::HD_FORWARDED},
157   {"via"_sr, "via1"_sr, false, http2::HD_VIA},
158   {"via"_sr, "via2"_sr, false, http2::HD_VIA},
159 };
160 } // namespace
161 
test_http2_copy_headers_to_nva(void)162 void test_http2_copy_headers_to_nva(void) {
163   auto ans = std::vector<int>{0, 1, 4, 5, 6, 7, 12};
164   std::vector<nghttp2_nv> nva;
165 
166   http2::copy_headers_to_nva_nocopy(nva, headers,
167                                     http2::HDOP_STRIP_X_FORWARDED_FOR);
168   assert_size(7, ==, nva.size());
169   for (size_t i = 0; i < ans.size(); ++i) {
170     check_nv(headers[ans[i]], &nva[i]);
171 
172     if (ans[i] == 0) {
173       assert_uint8((NGHTTP2_NV_FLAG_NO_COPY_NAME |
174                     NGHTTP2_NV_FLAG_NO_COPY_VALUE | NGHTTP2_NV_FLAG_NO_INDEX),
175                    ==, nva[i].flags);
176     } else {
177       assert_uint8(
178         (NGHTTP2_NV_FLAG_NO_COPY_NAME | NGHTTP2_NV_FLAG_NO_COPY_VALUE), ==,
179         nva[i].flags);
180     }
181   }
182 
183   nva.clear();
184   http2::copy_headers_to_nva(nva, headers, http2::HDOP_STRIP_X_FORWARDED_FOR);
185   assert_size(7, ==, nva.size());
186   for (size_t i = 0; i < ans.size(); ++i) {
187     check_nv(headers[ans[i]], &nva[i]);
188 
189     if (ans[i] == 0) {
190       assert_true(nva[i].flags & NGHTTP2_NV_FLAG_NO_INDEX);
191     } else {
192       assert_false(nva[i].flags);
193     }
194   }
195 
196   nva.clear();
197 
198   auto ans2 = std::vector<int>{0, 2, 4, 6};
199   http2::copy_headers_to_nva(nva, headers2, http2::HDOP_NONE);
200   assert_size(ans2.size(), ==, nva.size());
201   for (size_t i = 0; i < ans2.size(); ++i) {
202     check_nv(headers2[ans2[i]], &nva[i]);
203   }
204 
205   nva.clear();
206 
207   http2::copy_headers_to_nva(nva, headers2, http2::HDOP_STRIP_ALL);
208   assert_true(nva.empty());
209 }
210 
test_http2_build_http1_headers_from_headers(void)211 void test_http2_build_http1_headers_from_headers(void) {
212   MemchunkPool pool;
213   DefaultMemchunks buf(&pool);
214   http2::build_http1_headers_from_headers(&buf, headers,
215                                           http2::HDOP_STRIP_X_FORWARDED_FOR);
216   auto hdrs = std::string(buf.head->pos, buf.head->last);
217   assert_stdstring_equal("Alpha: 0\r\n"
218                          "Bravo: 1\r\n"
219                          "Delta: 4\r\n"
220                          "Expect: 5\r\n"
221                          "Foxtrot: 6\r\n"
222                          "Tango: 7\r\n"
223                          "Te: 8\r\n"
224                          "Te: 9\r\n"
225                          "Zulu: 12\r\n",
226                          hdrs);
227 
228   buf.reset();
229 
230   http2::build_http1_headers_from_headers(&buf, headers2, http2::HDOP_NONE);
231   hdrs = std::string(buf.head->pos, buf.head->last);
232   assert_stdstring_equal("X-Forwarded-For: xff1\r\n"
233                          "X-Forwarded-Proto: xfp1\r\n"
234                          "Forwarded: fwd1\r\n"
235                          "Via: via1\r\n",
236                          hdrs);
237 
238   buf.reset();
239 
240   http2::build_http1_headers_from_headers(&buf, headers2,
241                                           http2::HDOP_STRIP_ALL);
242   assert_size(0, ==, buf.rleft());
243 }
244 
test_http2_lws(void)245 void test_http2_lws(void) {
246   assert_false(http2::lws("alpha"));
247   assert_true(http2::lws(" "));
248   assert_true(http2::lws(""));
249 }
250 
251 namespace {
check_rewrite_location_uri(const std::string & want,const std::string & uri,const std::string & match_host,const std::string & req_authority,const std::string & upstream_scheme)252 void check_rewrite_location_uri(const std::string &want, const std::string &uri,
253                                 const std::string &match_host,
254                                 const std::string &req_authority,
255                                 const std::string &upstream_scheme) {
256   BlockAllocator balloc(4096, 4096);
257   http_parser_url u{};
258   assert_int(0, ==, http_parser_parse_url(uri.c_str(), uri.size(), 0, &u));
259   auto got = http2::rewrite_location_uri(
260     balloc, StringRef{uri}, u, StringRef{match_host}, StringRef{req_authority},
261     StringRef{upstream_scheme});
262   assert_stdsv_equal(want, got);
263 }
264 } // namespace
265 
test_http2_rewrite_location_uri(void)266 void test_http2_rewrite_location_uri(void) {
267   check_rewrite_location_uri("https://localhost:3000/alpha?bravo#charlie",
268                              "http://localhost:3001/alpha?bravo#charlie",
269                              "localhost:3001", "localhost:3000", "https");
270   check_rewrite_location_uri("https://localhost/", "http://localhost:3001/",
271                              "localhost", "localhost", "https");
272   check_rewrite_location_uri("http://localhost/", "http://localhost:3001/",
273                              "localhost", "localhost", "http");
274   check_rewrite_location_uri("http://localhost:443/", "http://localhost:3001/",
275                              "localhost", "localhost:443", "http");
276   check_rewrite_location_uri("https://localhost:80/", "http://localhost:3001/",
277                              "localhost", "localhost:80", "https");
278   check_rewrite_location_uri("", "http://localhost:3001/", "127.0.0.1",
279                              "127.0.0.1", "https");
280   check_rewrite_location_uri("https://localhost:3000/",
281                              "http://localhost:3001/", "localhost",
282                              "localhost:3000", "https");
283   check_rewrite_location_uri("https://localhost:3000/", "http://localhost/",
284                              "localhost", "localhost:3000", "https");
285 
286   // match_host != req_authority
287   check_rewrite_location_uri("https://example.org", "http://127.0.0.1:8080",
288                              "127.0.0.1", "example.org", "https");
289   check_rewrite_location_uri("", "http://example.org", "127.0.0.1",
290                              "example.org", "https");
291 }
292 
test_http2_parse_http_status_code(void)293 void test_http2_parse_http_status_code(void) {
294   assert_int(200, ==, http2::parse_http_status_code("200"_sr));
295   assert_int(102, ==, http2::parse_http_status_code("102"_sr));
296   assert_int(-1, ==, http2::parse_http_status_code("099"_sr));
297   assert_int(-1, ==, http2::parse_http_status_code("99"_sr));
298   assert_int(-1, ==, http2::parse_http_status_code("-1"_sr));
299   assert_int(-1, ==, http2::parse_http_status_code("20a"_sr));
300   assert_int(-1, ==, http2::parse_http_status_code(StringRef{}));
301 }
302 
test_http2_index_header(void)303 void test_http2_index_header(void) {
304   http2::HeaderIndex hdidx;
305   http2::init_hdidx(hdidx);
306 
307   http2::index_header(hdidx, http2::HD__AUTHORITY, 0);
308   http2::index_header(hdidx, -1, 1);
309 
310   assert_uint16(0, ==, hdidx[http2::HD__AUTHORITY]);
311 }
312 
test_http2_lookup_token(void)313 void test_http2_lookup_token(void) {
314   assert_int(http2::HD__AUTHORITY, ==, http2::lookup_token(":authority"_sr));
315   assert_int(-1, ==, http2::lookup_token(":authorit"_sr));
316   assert_int(-1, ==, http2::lookup_token(":Authority"_sr));
317   assert_int(http2::HD_EXPECT, ==, http2::lookup_token("expect"_sr));
318 }
319 
test_http2_parse_link_header(void)320 void test_http2_parse_link_header(void) {
321   {
322     // only URI appears; we don't extract URI unless it bears rel=preload
323     auto res = http2::parse_link_header("<url>"_sr);
324     assert_size(0, ==, res.size());
325   }
326   {
327     // URI url should be extracted
328     auto res = http2::parse_link_header("<url>; rel=preload"_sr);
329     assert_size(1, ==, res.size());
330     assert_stdsv_equal("url"sv, res[0].uri);
331   }
332   {
333     // With extra link-param.  URI url should be extracted
334     auto res = http2::parse_link_header("<url>; rel=preload; as=file"_sr);
335     assert_size(1, ==, res.size());
336     assert_stdsv_equal("url"sv, res[0].uri);
337   }
338   {
339     // With extra link-param.  URI url should be extracted
340     auto res = http2::parse_link_header("<url>; as=file; rel=preload"_sr);
341     assert_size(1, ==, res.size());
342     assert_stdsv_equal("url"sv, res[0].uri);
343   }
344   {
345     // With extra link-param and quote-string.  URI url should be
346     // extracted
347     auto res =
348       http2::parse_link_header(R"(<url>; rel=preload; title="foo,bar")"_sr);
349     assert_size(1, ==, res.size());
350     assert_stdsv_equal("url"sv, res[0].uri);
351   }
352   {
353     // With extra link-param and quote-string.  URI url should be
354     // extracted
355     auto res =
356       http2::parse_link_header(R"(<url>; title="foo,bar"; rel=preload)"_sr);
357     assert_size(1, ==, res.size());
358     assert_stdsv_equal("url"sv, res[0].uri);
359   }
360   {
361     // ',' after quote-string
362     auto res = http2::parse_link_header(
363       R"(<url>; title="foo,bar", <url2>; rel=preload)"_sr);
364     assert_size(1, ==, res.size());
365     assert_stdsv_equal("url2"sv, res[0].uri);
366   }
367   {
368     // Only first URI should be extracted.
369     auto res = http2::parse_link_header("<url>; rel=preload, <url2>"_sr);
370     assert_size(1, ==, res.size());
371     assert_stdsv_equal("url"sv, res[0].uri);
372   }
373   {
374     // Both have rel=preload, so both urls should be extracted
375     auto res =
376       http2::parse_link_header("<url>; rel=preload, <url2>; rel=preload"_sr);
377     assert_size(2, ==, res.size());
378     assert_stdsv_equal("url"sv, res[0].uri);
379     assert_stdsv_equal("url2"sv, res[1].uri);
380   }
381   {
382     // Second URI uri should be extracted.
383     auto res = http2::parse_link_header("<url>, <url2>;rel=preload"_sr);
384     assert_size(1, ==, res.size());
385     assert_stdsv_equal("url2"sv, res[0].uri);
386   }
387   {
388     // Error if input ends with ';'
389     auto res = http2::parse_link_header("<url>;rel=preload;"_sr);
390     assert_size(0, ==, res.size());
391   }
392   {
393     // Error if link header ends with ';'
394     auto res = http2::parse_link_header("<url>;rel=preload;, <url>"_sr);
395     assert_size(0, ==, res.size());
396   }
397   {
398     // OK if input ends with ','
399     auto res = http2::parse_link_header("<url>;rel=preload,"_sr);
400     assert_size(1, ==, res.size());
401     assert_stdsv_equal("url"sv, res[0].uri);
402   }
403   {
404     // Multiple repeated ','s between fields is OK
405     auto res = http2::parse_link_header("<url>,,,<url2>;rel=preload"_sr);
406     assert_size(1, ==, res.size());
407     assert_stdsv_equal("url2"sv, res[0].uri);
408   }
409   {
410     // Error if url is not enclosed by <>
411     auto res = http2::parse_link_header("url>;rel=preload"_sr);
412     assert_size(0, ==, res.size());
413   }
414   {
415     // Error if url is not enclosed by <>
416     auto res = http2::parse_link_header("<url;rel=preload"_sr);
417     assert_size(0, ==, res.size());
418   }
419   {
420     // Empty parameter value is not allowed
421     auto res = http2::parse_link_header("<url>;rel=preload; as="_sr);
422     assert_size(0, ==, res.size());
423   }
424   {
425     // Empty parameter value is not allowed
426     auto res = http2::parse_link_header("<url>;as=;rel=preload"_sr);
427     assert_size(0, ==, res.size());
428   }
429   {
430     // Empty parameter value is not allowed
431     auto res = http2::parse_link_header("<url>;as=, <url>;rel=preload"_sr);
432     assert_size(0, ==, res.size());
433   }
434   {
435     // Empty parameter name is not allowed
436     auto res = http2::parse_link_header("<url>; =file; rel=preload"_sr);
437     assert_size(0, ==, res.size());
438   }
439   {
440     // Without whitespaces
441     auto res = http2::parse_link_header(
442       "<url>;as=file;rel=preload,<url2>;rel=preload"_sr);
443     assert_size(2, ==, res.size());
444     assert_stdsv_equal("url"sv, res[0].uri);
445     assert_stdsv_equal("url2"sv, res[1].uri);
446   }
447   {
448     // link-extension may have no value
449     auto res = http2::parse_link_header("<url>; as; rel=preload"_sr);
450     assert_size(1, ==, res.size());
451     assert_stdsv_equal("url"sv, res[0].uri);
452   }
453   {
454     // ext-name-star
455     auto res = http2::parse_link_header("<url>; foo*=bar; rel=preload"_sr);
456     assert_size(1, ==, res.size());
457     assert_stdsv_equal("url"sv, res[0].uri);
458   }
459   {
460     // '*' is not allowed expect for trailing one
461     auto res = http2::parse_link_header("<url>; *=bar; rel=preload"_sr);
462     assert_size(0, ==, res.size());
463   }
464   {
465     // '*' is not allowed expect for trailing one
466     auto res = http2::parse_link_header("<url>; foo*bar=buzz; rel=preload"_sr);
467     assert_size(0, ==, res.size());
468   }
469   {
470     // ext-name-star must be followed by '='
471     auto res = http2::parse_link_header("<url>; foo*; rel=preload"_sr);
472     assert_size(0, ==, res.size());
473   }
474   {
475     // '>' is not followed by ';'
476     auto res = http2::parse_link_header("<url> rel=preload"_sr);
477     assert_size(0, ==, res.size());
478   }
479   {
480     // Starting with whitespace is no problem.
481     auto res = http2::parse_link_header("  <url>; rel=preload"_sr);
482     assert_size(1, ==, res.size());
483     assert_stdsv_equal("url"sv, res[0].uri);
484   }
485   {
486     // preload is a prefix of bogus rel parameter value
487     auto res = http2::parse_link_header("<url>; rel=preloadx"_sr);
488     assert_size(0, ==, res.size());
489   }
490   {
491     // preload in relation-types list
492     auto res = http2::parse_link_header(R"(<url>; rel="preload")"_sr);
493     assert_size(1, ==, res.size());
494     assert_stdsv_equal("url"sv, res[0].uri);
495   }
496   {
497     // preload in relation-types list followed by another parameter
498     auto res = http2::parse_link_header(R"(<url>; rel="preload foo")"_sr);
499     assert_size(1, ==, res.size());
500     assert_stdsv_equal("url"sv, res[0].uri);
501   }
502   {
503     // preload in relation-types list following another parameter
504     auto res = http2::parse_link_header(R"(<url>; rel="foo preload")"_sr);
505     assert_size(1, ==, res.size());
506     assert_stdsv_equal("url"sv, res[0].uri);
507   }
508   {
509     // preload in relation-types list between other parameters
510     auto res = http2::parse_link_header(R"(<url>; rel="foo preload bar")"_sr);
511     assert_size(1, ==, res.size());
512     assert_stdsv_equal("url"sv, res[0].uri);
513   }
514   {
515     // preload in relation-types list between other parameters
516     auto res =
517       http2::parse_link_header(R"(<url>; rel="foo   preload   bar")"_sr);
518     assert_size(1, ==, res.size());
519     assert_stdsv_equal("url"sv, res[0].uri);
520   }
521   {
522     // no preload in relation-types list
523     auto res = http2::parse_link_header(R"(<url>; rel="foo")"_sr);
524     assert_size(0, ==, res.size());
525   }
526   {
527     // no preload in relation-types list, multiple unrelated elements.
528     auto res = http2::parse_link_header(R"(<url>; rel="foo bar")"_sr);
529     assert_size(0, ==, res.size());
530   }
531   {
532     // preload in relation-types list, followed by another link-value.
533     auto res = http2::parse_link_header(R"(<url>; rel="preload", <url2>)"_sr);
534     assert_size(1, ==, res.size());
535     assert_stdsv_equal("url"sv, res[0].uri);
536   }
537   {
538     // preload in relation-types list, following another link-value.
539     auto res = http2::parse_link_header(R"(<url>, <url2>; rel="preload")"_sr);
540     assert_size(1, ==, res.size());
541     assert_stdsv_equal("url2"sv, res[0].uri);
542   }
543   {
544     // preload in relation-types list, followed by another link-param.
545     auto res =
546       http2::parse_link_header(R"(<url>; rel="preload"; as="font")"_sr);
547     assert_size(1, ==, res.size());
548     assert_stdsv_equal("url"sv, res[0].uri);
549   }
550   {
551     // preload in relation-types list, followed by character other
552     // than ';' or ','
553     auto res = http2::parse_link_header(R"(<url>; rel="preload".)"_sr);
554     assert_size(0, ==, res.size());
555   }
556   {
557     // preload in relation-types list, followed by ';' but it
558     // terminates input
559     auto res = http2::parse_link_header(R"(<url>; rel="preload";)"_sr);
560     assert_size(0, ==, res.size());
561   }
562   {
563     // preload in relation-types list, followed by ',' but it
564     // terminates input
565     auto res = http2::parse_link_header(R"(<url>; rel="preload",)"_sr);
566     assert_size(1, ==, res.size());
567     assert_stdsv_equal("url"sv, res[0].uri);
568   }
569   {
570     // preload in relation-types list but there is preceding white
571     // space.
572     auto res = http2::parse_link_header(R"(<url>; rel=" preload")"_sr);
573     assert_size(0, ==, res.size());
574   }
575   {
576     // preload in relation-types list but there is trailing white
577     // space.
578     auto res = http2::parse_link_header(R"(<url>; rel="preload ")"_sr);
579     assert_size(0, ==, res.size());
580   }
581   {
582     // backslash escaped characters in quoted-string
583     auto res = http2::parse_link_header(
584       R"(<url>; rel=preload; title="foo\"baz\"bar")"_sr);
585     assert_size(1, ==, res.size());
586     assert_stdsv_equal("url"sv, res[0].uri);
587   }
588   {
589     // anchor="" is acceptable
590     auto res = http2::parse_link_header(R"(<url>; rel=preload; anchor="")"_sr);
591     assert_size(1, ==, res.size());
592     assert_stdsv_equal("url"sv, res[0].uri);
593   }
594   {
595     // With anchor="#foo", url should be ignored
596     auto res =
597       http2::parse_link_header(R"(<url>; rel=preload; anchor="#foo")"_sr);
598     assert_size(0, ==, res.size());
599   }
600   {
601     // With anchor=f, url should be ignored
602     auto res = http2::parse_link_header("<url>; rel=preload; anchor=f"_sr);
603     assert_size(0, ==, res.size());
604   }
605   {
606     // First url is ignored With anchor="#foo", but url should be
607     // accepted.
608     auto res = http2::parse_link_header(
609       R"(<url>; rel=preload; anchor="#foo", <url2>; rel=preload)"_sr);
610     assert_size(1, ==, res.size());
611     assert_stdsv_equal("url2"sv, res[0].uri);
612   }
613   {
614     // With loadpolicy="next", url should be ignored
615     auto res =
616       http2::parse_link_header(R"(<url>; rel=preload; loadpolicy="next")"_sr);
617     assert_size(0, ==, res.size());
618   }
619   {
620     // url should be picked up if empty loadpolicy is specified
621     auto res =
622       http2::parse_link_header(R"(<url>; rel=preload; loadpolicy="")"_sr);
623     assert_size(1, ==, res.size());
624     assert_stdsv_equal("url"sv, res[0].uri);
625   }
626   {
627     // case-insensitive match
628     auto res = http2::parse_link_header(
629       R"(<url>; rel=preload; ANCHOR="#foo", <url2>; )"
630       R"(REL=PRELOAD, <url3>; REL="foo PRELOAD bar")"_sr);
631     assert_size(2, ==, res.size());
632     assert_stdsv_equal("url2"sv, res[0].uri);
633     assert_stdsv_equal("url3"sv, res[1].uri);
634   }
635   {
636     // nopush at the end of input
637     auto res = http2::parse_link_header("<url>; rel=preload; nopush"_sr);
638     assert_size(0, ==, res.size());
639   }
640   {
641     // nopush followed by ';'
642     auto res = http2::parse_link_header("<url>; rel=preload; nopush; foo"_sr);
643     assert_size(0, ==, res.size());
644   }
645   {
646     // nopush followed by ','
647     auto res = http2::parse_link_header("<url>; nopush; rel=preload"_sr);
648     assert_size(0, ==, res.size());
649   }
650   {
651     // string whose prefix is nopush
652     auto res = http2::parse_link_header("<url>; nopushyes; rel=preload"_sr);
653     assert_size(1, ==, res.size());
654     assert_stdsv_equal("url"sv, res[0].uri);
655   }
656   {
657     // rel=preload twice
658     auto res = http2::parse_link_header("<url>; rel=preload; rel=preload"_sr);
659     assert_size(1, ==, res.size());
660     assert_stdsv_equal("url"sv, res[0].uri);
661   }
662 }
663 
664 void test_http2_path_join(void) {
665   {
666     auto base = "/"_sr;
667     auto rel = "/"_sr;
668     assert_stdstring_equal(
669       "/", http2::path_join(base, StringRef{}, rel, StringRef{}));
670   }
671   {
672     auto base = "/"_sr;
673     auto rel = "/alpha"_sr;
674     assert_stdstring_equal(
675       "/alpha", http2::path_join(base, StringRef{}, rel, StringRef{}));
676   }
677   {
678     // rel ends with trailing '/'
679     auto base = "/"_sr;
680     auto rel = "/alpha/"_sr;
681     assert_stdstring_equal(
682       "/alpha/", http2::path_join(base, StringRef{}, rel, StringRef{}));
683   }
684   {
685     // rel contains multiple components
686     auto base = "/"_sr;
687     auto rel = "/alpha/bravo"_sr;
688     assert_stdstring_equal(
689       "/alpha/bravo", http2::path_join(base, StringRef{}, rel, StringRef{}));
690   }
691   {
692     // rel is relative
693     auto base = "/"_sr;
694     auto rel = "alpha/bravo"_sr;
695     assert_stdstring_equal(
696       "/alpha/bravo", http2::path_join(base, StringRef{}, rel, StringRef{}));
697   }
698   {
699     // rel is relative and base ends without /, which means it refers
700     // to file.
701     auto base = "/alpha"_sr;
702     auto rel = "bravo/charlie"_sr;
703     assert_stdstring_equal(
704       "/bravo/charlie", http2::path_join(base, StringRef{}, rel, StringRef{}));
705   }
706   {
707     // rel contains repeated '/'s
708     auto base = "/"_sr;
709     auto rel = "/alpha/////bravo/////"_sr;
710     assert_stdstring_equal(
711       "/alpha/bravo/", http2::path_join(base, StringRef{}, rel, StringRef{}));
712   }
713   {
714     // base ends with '/', so '..' eats 'bravo'
715     auto base = "/alpha/bravo/"_sr;
716     auto rel = "../charlie/delta"_sr;
717     assert_stdstring_equal(
718       "/alpha/charlie/delta",
719       http2::path_join(base, StringRef{}, rel, StringRef{}));
720   }
721   {
722     // base does not end with '/', so '..' eats 'alpha/bravo'
723     auto base = "/alpha/bravo"_sr;
724     auto rel = "../charlie"_sr;
725     assert_stdstring_equal(
726       "/charlie", http2::path_join(base, StringRef{}, rel, StringRef{}));
727   }
728   {
729     // 'charlie' is eaten by following '..'
730     auto base = "/alpha/bravo/"_sr;
731     auto rel = "../charlie/../delta"_sr;
732     assert_stdstring_equal(
733       "/alpha/delta", http2::path_join(base, StringRef{}, rel, StringRef{}));
734   }
735   {
736     // excessive '..' results in '/'
737     auto base = "/alpha/bravo/"_sr;
738     auto rel = "../../../"_sr;
739     assert_stdstring_equal(
740       "/", http2::path_join(base, StringRef{}, rel, StringRef{}));
741   }
742   {
743     // excessive '..'  and  path component
744     auto base = "/alpha/bravo/"_sr;
745     auto rel = "../../../charlie"_sr;
746     assert_stdstring_equal(
747       "/charlie", http2::path_join(base, StringRef{}, rel, StringRef{}));
748   }
749   {
750     // rel ends with '..'
751     auto base = "/alpha/bravo/"_sr;
752     auto rel = "charlie/.."_sr;
753     assert_stdstring_equal(
754       "/alpha/bravo/", http2::path_join(base, StringRef{}, rel, StringRef{}));
755   }
756   {
757     // base empty and rel contains '..'
758     auto base = StringRef{};
759     auto rel = "charlie/.."_sr;
760     assert_stdstring_equal(
761       "/", http2::path_join(base, StringRef{}, rel, StringRef{}));
762   }
763   {
764     // '.' is ignored
765     auto base = "/"_sr;
766     auto rel = "charlie/././././delta"_sr;
767     assert_stdstring_equal(
768       "/charlie/delta", http2::path_join(base, StringRef{}, rel, StringRef{}));
769   }
770   {
771     // trailing '.' is ignored
772     auto base = "/"_sr;
773     auto rel = "charlie/."_sr;
774     assert_stdstring_equal(
775       "/charlie/", http2::path_join(base, StringRef{}, rel, StringRef{}));
776   }
777   {
778     // query
779     auto base = "/"_sr;
780     auto rel = "/"_sr;
781     auto relq = "q"_sr;
782     assert_stdstring_equal("/?q",
783                            http2::path_join(base, StringRef{}, rel, relq));
784   }
785   {
786     // empty rel and query
787     auto base = "/alpha"_sr;
788     auto rel = StringRef{};
789     auto relq = "q"_sr;
790     assert_stdstring_equal("/alpha?q",
791                            http2::path_join(base, StringRef{}, rel, relq));
792   }
793   {
794     // both rel and query are empty
795     auto base = "/alpha"_sr;
796     auto baseq = "r"_sr;
797     auto rel = StringRef{};
798     auto relq = StringRef{};
799     assert_stdstring_equal("/alpha?r",
800                            http2::path_join(base, baseq, rel, relq));
801   }
802   {
803     // empty base
804     auto base = StringRef{};
805     auto rel = "/alpha"_sr;
806     assert_stdstring_equal(
807       "/alpha", http2::path_join(base, StringRef{}, rel, StringRef{}));
808   }
809   {
810     // everything is empty
811     assert_stdstring_equal("/", http2::path_join(StringRef{}, StringRef{},
812                                                  StringRef{}, StringRef{}));
813   }
814   {
815     // only baseq is not empty
816     auto base = StringRef{};
817     auto baseq = "r"_sr;
818     auto rel = StringRef{};
819     assert_stdstring_equal("/?r",
820                            http2::path_join(base, baseq, rel, StringRef{}));
821   }
822   {
823     // path starts with multiple '/'s.
824     auto base = StringRef{};
825     auto baseq = StringRef{};
826     auto rel = "//alpha//bravo"_sr;
827     auto relq = "charlie"_sr;
828     assert_stdstring_equal("/alpha/bravo?charlie",
829                            http2::path_join(base, baseq, rel, relq));
830   }
831   // Test cases from RFC 3986, section 5.4.
832   constexpr auto base = "/b/c/d;p"_sr;
833   constexpr auto baseq = "q"_sr;
834   {
835     auto rel = "g"_sr;
836     auto relq = StringRef{};
837     assert_stdstring_equal("/b/c/g", http2::path_join(base, baseq, rel, relq));
838   }
839   {
840     auto rel = "./g"_sr;
841     auto relq = StringRef{};
842     assert_stdstring_equal("/b/c/g", http2::path_join(base, baseq, rel, relq));
843   }
844   {
845     auto rel = "g/"_sr;
846     auto relq = StringRef{};
847     assert_stdstring_equal("/b/c/g/", http2::path_join(base, baseq, rel, relq));
848   }
849   {
850     auto rel = "/g"_sr;
851     auto relq = StringRef{};
852     assert_stdstring_equal("/g", http2::path_join(base, baseq, rel, relq));
853   }
854   {
855     auto rel = StringRef{};
856     auto relq = "y"_sr;
857     assert_stdstring_equal("/b/c/d;p?y",
858                            http2::path_join(base, baseq, rel, relq));
859   }
860   {
861     auto rel = "g"_sr;
862     auto relq = "y"_sr;
863     assert_stdstring_equal("/b/c/g?y",
864                            http2::path_join(base, baseq, rel, relq));
865   }
866   {
867     auto rel = ";x"_sr;
868     auto relq = StringRef{};
869     assert_stdstring_equal("/b/c/;x", http2::path_join(base, baseq, rel, relq));
870   }
871   {
872     auto rel = "g;x"_sr;
873     auto relq = StringRef{};
874     assert_stdstring_equal("/b/c/g;x",
875                            http2::path_join(base, baseq, rel, relq));
876   }
877   {
878     auto rel = "g;x"_sr;
879     auto relq = "y"_sr;
880     assert_stdstring_equal("/b/c/g;x?y",
881                            http2::path_join(base, baseq, rel, relq));
882   }
883   {
884     auto rel = StringRef{};
885     auto relq = StringRef{};
886     assert_stdstring_equal("/b/c/d;p?q",
887                            http2::path_join(base, baseq, rel, relq));
888   }
889   {
890     auto rel = "."_sr;
891     auto relq = StringRef{};
892     assert_stdstring_equal("/b/c/", http2::path_join(base, baseq, rel, relq));
893   }
894   {
895     auto rel = "./"_sr;
896     auto relq = StringRef{};
897     assert_stdstring_equal("/b/c/", http2::path_join(base, baseq, rel, relq));
898   }
899   {
900     auto rel = ".."_sr;
901     auto relq = StringRef{};
902     assert_stdstring_equal("/b/", http2::path_join(base, baseq, rel, relq));
903   }
904   {
905     auto rel = "../"_sr;
906     auto relq = StringRef{};
907     assert_stdstring_equal("/b/", http2::path_join(base, baseq, rel, relq));
908   }
909   {
910     auto rel = "../g"_sr;
911     auto relq = StringRef{};
912     assert_stdstring_equal("/b/g", http2::path_join(base, baseq, rel, relq));
913   }
914   {
915     auto rel = "../.."_sr;
916     auto relq = StringRef{};
917     assert_stdstring_equal("/", http2::path_join(base, baseq, rel, relq));
918   }
919   {
920     auto rel = "../../"_sr;
921     auto relq = StringRef{};
922     assert_stdstring_equal("/", http2::path_join(base, baseq, rel, relq));
923   }
924   {
925     auto rel = "../../g"_sr;
926     auto relq = StringRef{};
927     assert_stdstring_equal("/g", http2::path_join(base, baseq, rel, relq));
928   }
929   {
930     auto rel = "../../../g"_sr;
931     auto relq = StringRef{};
932     assert_stdstring_equal("/g", http2::path_join(base, baseq, rel, relq));
933   }
934   {
935     auto rel = "../../../../g"_sr;
936     auto relq = StringRef{};
937     assert_stdstring_equal("/g", http2::path_join(base, baseq, rel, relq));
938   }
939   {
940     auto rel = "/./g"_sr;
941     auto relq = StringRef{};
942     assert_stdstring_equal("/g", http2::path_join(base, baseq, rel, relq));
943   }
944   {
945     auto rel = "/../g"_sr;
946     auto relq = StringRef{};
947     assert_stdstring_equal("/g", http2::path_join(base, baseq, rel, relq));
948   }
949   {
950     auto rel = "g."_sr;
951     auto relq = StringRef{};
952     assert_stdstring_equal("/b/c/g.", http2::path_join(base, baseq, rel, relq));
953   }
954   {
955     auto rel = ".g"_sr;
956     auto relq = StringRef{};
957     assert_stdstring_equal("/b/c/.g", http2::path_join(base, baseq, rel, relq));
958   }
959   {
960     auto rel = "g.."_sr;
961     auto relq = StringRef{};
962     assert_stdstring_equal("/b/c/g..",
963                            http2::path_join(base, baseq, rel, relq));
964   }
965   {
966     auto rel = "..g"_sr;
967     auto relq = StringRef{};
968     assert_stdstring_equal("/b/c/..g",
969                            http2::path_join(base, baseq, rel, relq));
970   }
971   {
972     auto rel = "./../g"_sr;
973     auto relq = StringRef{};
974     assert_stdstring_equal("/b/g", http2::path_join(base, baseq, rel, relq));
975   }
976   {
977     auto rel = "./g/."_sr;
978     auto relq = StringRef{};
979     assert_stdstring_equal("/b/c/g/", http2::path_join(base, baseq, rel, relq));
980   }
981   {
982     auto rel = "g/./h"_sr;
983     auto relq = StringRef{};
984     assert_stdstring_equal("/b/c/g/h",
985                            http2::path_join(base, baseq, rel, relq));
986   }
987   {
988     auto rel = "g/../h"_sr;
989     auto relq = StringRef{};
990     assert_stdstring_equal("/b/c/h", http2::path_join(base, baseq, rel, relq));
991   }
992   {
993     auto rel = "g;x=1/./y"_sr;
994     auto relq = StringRef{};
995     assert_stdstring_equal("/b/c/g;x=1/y",
996                            http2::path_join(base, baseq, rel, relq));
997   }
998   {
999     auto rel = "g;x=1/../y"_sr;
1000     auto relq = StringRef{};
1001     assert_stdstring_equal("/b/c/y", http2::path_join(base, baseq, rel, relq));
1002   }
1003 }
1004 
test_http2_normalize_path(void)1005 void test_http2_normalize_path(void) {
1006   assert_stdstring_equal(
1007     "/alpha/charlie",
1008     http2::normalize_path("/alpha/bravo/../charlie"_sr, StringRef{}));
1009 
1010   assert_stdstring_equal(
1011     "/alpha", http2::normalize_path("/a%6c%70%68%61"_sr, StringRef{}));
1012 
1013   assert_stdstring_equal("/alpha%2F%3A",
1014                          http2::normalize_path("/alpha%2f%3a"_sr, StringRef{}));
1015 
1016   assert_stdstring_equal("/%2F", http2::normalize_path("%2f"_sr, StringRef{}));
1017 
1018   assert_stdstring_equal("/%f", http2::normalize_path("%f"_sr, StringRef{}));
1019 
1020   assert_stdstring_equal("/%", http2::normalize_path("%"_sr, StringRef{}));
1021 
1022   assert_stdstring_equal("/", http2::normalize_path(StringRef{}, StringRef{}));
1023 
1024   assert_stdstring_equal("/alpha?bravo",
1025                          http2::normalize_path("/alpha"_sr, "bravo"_sr));
1026 }
1027 
test_http2_rewrite_clean_path(void)1028 void test_http2_rewrite_clean_path(void) {
1029   BlockAllocator balloc(4096, 4096);
1030 
1031   // unreserved characters
1032   assert_stdsv_equal("/alpha/bravo/"sv,
1033                      http2::rewrite_clean_path(balloc, "/alpha/%62ravo/"_sr));
1034 
1035   // percent-encoding is converted to upper case.
1036   assert_stdsv_equal("/delta%3A"sv,
1037                      http2::rewrite_clean_path(balloc, "/delta%3a"_sr));
1038 
1039   // path component is normalized before matching
1040   assert_stdsv_equal("/alpha/bravo/"sv,
1041                      http2::rewrite_clean_path(
1042                        balloc, "/alpha/charlie/%2e././bravo/delta/.."_sr));
1043 
1044   assert_stdsv_equal("alpha%3a"sv,
1045                      http2::rewrite_clean_path(balloc, "alpha%3a"_sr));
1046 
1047   assert_stdsv_equal(""sv, http2::rewrite_clean_path(balloc, StringRef{}));
1048 
1049   assert_stdsv_equal("/alpha?bravo"sv,
1050                      http2::rewrite_clean_path(balloc, "//alpha?bravo"_sr));
1051 }
1052 
test_http2_get_pure_path_component(void)1053 void test_http2_get_pure_path_component(void) {
1054   assert_stdsv_equal("/"sv, http2::get_pure_path_component("/"_sr));
1055 
1056   assert_stdsv_equal("/foo"sv, http2::get_pure_path_component("/foo"_sr));
1057 
1058   assert_stdsv_equal(
1059     "/bar"sv, http2::get_pure_path_component("https://example.org/bar"_sr));
1060 
1061   assert_stdsv_equal("/alpha"sv, http2::get_pure_path_component(
1062                                    "https://example.org/alpha?q=a"_sr));
1063 
1064   assert_stdsv_equal("/bravo"sv,
1065                      http2::get_pure_path_component(
1066                        "https://example.org/bravo?q=a#fragment"_sr));
1067 
1068   assert_stdsv_equal(""sv, http2::get_pure_path_component("\x01\x02"_sr));
1069 }
1070 
test_http2_construct_push_component(void)1071 void test_http2_construct_push_component(void) {
1072   BlockAllocator balloc(4096, 4096);
1073   StringRef base, uri;
1074   StringRef scheme, authority, path;
1075 
1076   base = "/b/"_sr;
1077   uri = "https://example.org/foo"_sr;
1078 
1079   assert_int(0, ==,
1080              http2::construct_push_component(balloc, scheme, authority, path,
1081                                              base, uri));
1082   assert_stdsv_equal("https"sv, scheme);
1083   assert_stdsv_equal("example.org"sv, authority);
1084   assert_stdsv_equal("/foo"sv, path);
1085 
1086   scheme = StringRef{};
1087   authority = StringRef{};
1088   path = StringRef{};
1089 
1090   uri = "/foo/bar?q=a"_sr;
1091 
1092   assert_int(0, ==,
1093              http2::construct_push_component(balloc, scheme, authority, path,
1094                                              base, uri));
1095   assert_stdsv_equal(""sv, scheme);
1096   assert_stdsv_equal(""sv, authority);
1097   assert_stdsv_equal("/foo/bar?q=a"sv, path);
1098 
1099   scheme = StringRef{};
1100   authority = StringRef{};
1101   path = StringRef{};
1102 
1103   uri = "foo/../bar?q=a"_sr;
1104 
1105   assert_int(0, ==,
1106              http2::construct_push_component(balloc, scheme, authority, path,
1107                                              base, uri));
1108   assert_stdsv_equal(""sv, scheme);
1109   assert_stdsv_equal(""sv, authority);
1110   assert_stdsv_equal("/b/bar?q=a"sv, path);
1111 
1112   scheme = StringRef{};
1113   authority = StringRef{};
1114   path = StringRef{};
1115 
1116   uri = StringRef{};
1117 
1118   assert_int(-1, ==,
1119              http2::construct_push_component(balloc, scheme, authority, path,
1120                                              base, uri));
1121   scheme = StringRef{};
1122   authority = StringRef{};
1123   path = StringRef{};
1124 
1125   uri = "?q=a"_sr;
1126 
1127   assert_int(0, ==,
1128              http2::construct_push_component(balloc, scheme, authority, path,
1129                                              base, uri));
1130   assert_stdsv_equal(""sv, scheme);
1131   assert_stdsv_equal(""sv, authority);
1132   assert_stdsv_equal("/b/?q=a"sv, path);
1133 }
1134 
test_http2_contains_trailers(void)1135 void test_http2_contains_trailers(void) {
1136   assert_false(http2::contains_trailers(""_sr));
1137   assert_true(http2::contains_trailers("trailers"_sr));
1138   // Match must be case-insensitive.
1139   assert_true(http2::contains_trailers("TRAILERS"_sr));
1140   assert_false(http2::contains_trailers("trailer"_sr));
1141   assert_false(http2::contains_trailers("trailers  3"_sr));
1142   assert_true(http2::contains_trailers("trailers,"_sr));
1143   assert_true(http2::contains_trailers("trailers,foo"_sr));
1144   assert_true(http2::contains_trailers("foo,trailers"_sr));
1145   assert_true(http2::contains_trailers("foo,trailers,bar"_sr));
1146   assert_true(http2::contains_trailers("foo, trailers ,bar"_sr));
1147   assert_true(http2::contains_trailers(",trailers"_sr));
1148 }
1149 
test_http2_check_transfer_encoding(void)1150 void test_http2_check_transfer_encoding(void) {
1151   assert_true(http2::check_transfer_encoding("chunked"_sr));
1152   assert_true(http2::check_transfer_encoding("foo,chunked"_sr));
1153   assert_true(http2::check_transfer_encoding("foo,  chunked"_sr));
1154   assert_true(http2::check_transfer_encoding("foo   ,  chunked"_sr));
1155   assert_true(http2::check_transfer_encoding("chunked;foo=bar"_sr));
1156   assert_true(http2::check_transfer_encoding("chunked ; foo=bar"_sr));
1157   assert_true(http2::check_transfer_encoding(R"(chunked;foo="bar")"_sr));
1158   assert_true(
1159     http2::check_transfer_encoding(R"(chunked;foo="\bar\"";FOO=BAR)"_sr));
1160   assert_true(http2::check_transfer_encoding(R"(chunked;foo="")"_sr));
1161   assert_true(http2::check_transfer_encoding(R"(chunked;foo="bar" , gzip)"_sr));
1162 
1163   assert_false(http2::check_transfer_encoding(StringRef{}));
1164   assert_false(http2::check_transfer_encoding(",chunked"_sr));
1165   assert_false(http2::check_transfer_encoding("chunked,"_sr));
1166   assert_false(http2::check_transfer_encoding("chunked, "_sr));
1167   assert_false(http2::check_transfer_encoding("foo,,chunked"_sr));
1168   assert_false(http2::check_transfer_encoding("chunked;foo"_sr));
1169   assert_false(http2::check_transfer_encoding("chunked;"_sr));
1170   assert_false(http2::check_transfer_encoding("chunked;foo=bar;"_sr));
1171   assert_false(http2::check_transfer_encoding("chunked;?=bar"_sr));
1172   assert_false(http2::check_transfer_encoding("chunked;=bar"_sr));
1173   assert_false(http2::check_transfer_encoding("chunked;;"_sr));
1174   assert_false(http2::check_transfer_encoding("chunked?"_sr));
1175   assert_false(http2::check_transfer_encoding(","_sr));
1176   assert_false(http2::check_transfer_encoding(" "_sr));
1177   assert_false(http2::check_transfer_encoding(";"_sr));
1178   assert_false(http2::check_transfer_encoding("\""_sr));
1179   assert_false(http2::check_transfer_encoding(R"(chunked;foo="bar)"_sr));
1180   assert_false(http2::check_transfer_encoding(R"(chunked;foo="bar\)"_sr));
1181   assert_false(http2::check_transfer_encoding(R"(chunked;foo="bar\)"
1182                                               "\x0a"
1183                                               R"(")"_sr));
1184   assert_false(http2::check_transfer_encoding(R"(chunked;foo=")"
1185                                               "\x0a"
1186                                               R"(")"_sr));
1187   assert_false(http2::check_transfer_encoding(R"(chunked;foo="bar",,gzip)"_sr));
1188 }
1189 
1190 } // namespace shrpx
1191