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1 /*
2  * nghttp2 - HTTP/2 C Library
3  *
4  * Copyright (c) 2012 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 "nghttp2_frame_test.h"
26 
27 #include <assert.h>
28 #include <stdio.h>
29 
30 #include "munit.h"
31 
32 #include "nghttp2_frame.h"
33 #include "nghttp2_helper.h"
34 #include "nghttp2_test_helper.h"
35 #include "nghttp2_priority_spec.h"
36 
37 static MunitTest tests[] = {
38     munit_void_test(test_nghttp2_frame_pack_headers),
39     munit_void_test(test_nghttp2_frame_pack_headers_frame_too_large),
40     munit_void_test(test_nghttp2_frame_pack_priority),
41     munit_void_test(test_nghttp2_frame_pack_rst_stream),
42     munit_void_test(test_nghttp2_frame_pack_settings),
43     munit_void_test(test_nghttp2_frame_pack_push_promise),
44     munit_void_test(test_nghttp2_frame_pack_ping),
45     munit_void_test(test_nghttp2_frame_pack_goaway),
46     munit_void_test(test_nghttp2_frame_pack_window_update),
47     munit_void_test(test_nghttp2_frame_pack_altsvc),
48     munit_void_test(test_nghttp2_frame_pack_origin),
49     munit_void_test(test_nghttp2_frame_pack_priority_update),
50     munit_void_test(test_nghttp2_nv_array_copy),
51     munit_void_test(test_nghttp2_iv_check),
52     munit_test_end(),
53 };
54 
55 const MunitSuite frame_suite = {
56     "/frame", tests, NULL, 1, MUNIT_SUITE_OPTION_NONE,
57 };
58 
make_nv(const char * name,const char * value)59 static nghttp2_nv make_nv(const char *name, const char *value) {
60   nghttp2_nv nv;
61   nv.name = (uint8_t *)name;
62   nv.value = (uint8_t *)value;
63   nv.namelen = strlen(name);
64   nv.valuelen = strlen(value);
65   nv.flags = NGHTTP2_NV_FLAG_NONE;
66 
67   return nv;
68 }
69 
70 #define HEADERS_LENGTH 7
71 
headers(nghttp2_mem * mem)72 static nghttp2_nv *headers(nghttp2_mem *mem) {
73   nghttp2_nv *nva = mem->malloc(sizeof(nghttp2_nv) * HEADERS_LENGTH, NULL);
74   nva[0] = make_nv("method", "GET");
75   nva[1] = make_nv("scheme", "https");
76   nva[2] = make_nv("url", "/");
77   nva[3] = make_nv("x-head", "foo");
78   nva[4] = make_nv("x-head", "bar");
79   nva[5] = make_nv("version", "HTTP/1.1");
80   nva[6] = make_nv("x-empty", "");
81   return nva;
82 }
83 
check_frame_header(size_t length,uint8_t type,uint8_t flags,int32_t stream_id,nghttp2_frame_hd * hd)84 static void check_frame_header(size_t length, uint8_t type, uint8_t flags,
85                                int32_t stream_id, nghttp2_frame_hd *hd) {
86   assert_size(length, ==, hd->length);
87   assert_uint8(type, ==, hd->type);
88   assert_uint8(flags, ==, hd->flags);
89   assert_int32(stream_id, ==, hd->stream_id);
90   assert_uint8(0, ==, hd->reserved);
91 }
92 
test_nghttp2_frame_pack_headers(void)93 void test_nghttp2_frame_pack_headers(void) {
94   nghttp2_hd_deflater deflater;
95   nghttp2_hd_inflater inflater;
96   nghttp2_headers frame, oframe;
97   nghttp2_bufs bufs;
98   nghttp2_nv *nva;
99   nghttp2_priority_spec pri_spec;
100   size_t nvlen;
101   nva_out out;
102   size_t hdblocklen;
103   int rv;
104   nghttp2_mem *mem;
105 
106   mem = nghttp2_mem_default();
107   frame_pack_bufs_init(&bufs);
108 
109   nva_out_init(&out);
110   nghttp2_hd_deflate_init(&deflater, mem);
111   nghttp2_hd_inflate_init(&inflater, mem);
112 
113   nva = headers(mem);
114   nvlen = HEADERS_LENGTH;
115 
116   nghttp2_priority_spec_default_init(&pri_spec);
117 
118   nghttp2_frame_headers_init(
119       &frame, NGHTTP2_FLAG_END_STREAM | NGHTTP2_FLAG_END_HEADERS, 1000000007,
120       NGHTTP2_HCAT_REQUEST, &pri_spec, nva, nvlen);
121   rv = nghttp2_frame_pack_headers(&bufs, &frame, &deflater);
122 
123   nghttp2_bufs_rewind(&bufs);
124 
125   assert_int(0, ==, rv);
126   assert_size(0, <, nghttp2_bufs_len(&bufs));
127   assert_int(0, ==, unpack_framebuf((nghttp2_frame *)&oframe, &bufs));
128 
129   check_frame_header(nghttp2_bufs_len(&bufs) - NGHTTP2_FRAME_HDLEN,
130                      NGHTTP2_HEADERS,
131                      NGHTTP2_FLAG_END_STREAM | NGHTTP2_FLAG_END_HEADERS,
132                      1000000007, &oframe.hd);
133   /* We did not include PRIORITY flag */
134   assert_int32(NGHTTP2_DEFAULT_WEIGHT, ==, oframe.pri_spec.weight);
135 
136   hdblocklen = nghttp2_bufs_len(&bufs) - NGHTTP2_FRAME_HDLEN;
137   assert_ptrdiff((nghttp2_ssize)hdblocklen, ==,
138                  inflate_hd(&inflater, &out, &bufs, NGHTTP2_FRAME_HDLEN, mem));
139 
140   assert_size(7, ==, out.nvlen);
141   assert_true(nvnameeq("method", &out.nva[0]));
142   assert_true(nvvalueeq("GET", &out.nva[0]));
143 
144   nghttp2_frame_headers_free(&oframe, mem);
145   nva_out_reset(&out, mem);
146   nghttp2_bufs_reset(&bufs);
147 
148   memset(&oframe, 0, sizeof(oframe));
149   /* Next, include NGHTTP2_FLAG_PRIORITY */
150   nghttp2_priority_spec_init(&frame.pri_spec, 1000000009, 12, 1);
151   frame.hd.flags |= NGHTTP2_FLAG_PRIORITY;
152 
153   rv = nghttp2_frame_pack_headers(&bufs, &frame, &deflater);
154 
155   assert_int(0, ==, rv);
156   assert_size(0, <, nghttp2_bufs_len(&bufs));
157   assert_int(0, ==, unpack_framebuf((nghttp2_frame *)&oframe, &bufs));
158 
159   check_frame_header(nghttp2_bufs_len(&bufs) - NGHTTP2_FRAME_HDLEN,
160                      NGHTTP2_HEADERS,
161                      NGHTTP2_FLAG_END_STREAM | NGHTTP2_FLAG_END_HEADERS |
162                          NGHTTP2_FLAG_PRIORITY,
163                      1000000007, &oframe.hd);
164 
165   assert_int32(1000000009, ==, oframe.pri_spec.stream_id);
166   assert_int32(12, ==, oframe.pri_spec.weight);
167   assert_true(oframe.pri_spec.exclusive);
168 
169   hdblocklen = nghttp2_bufs_len(&bufs) - NGHTTP2_FRAME_HDLEN -
170                nghttp2_frame_priority_len(oframe.hd.flags);
171   assert_ptrdiff((nghttp2_ssize)hdblocklen, ==,
172                  inflate_hd(&inflater, &out, &bufs,
173                             NGHTTP2_FRAME_HDLEN +
174                                 nghttp2_frame_priority_len(oframe.hd.flags),
175                             mem));
176 
177   nghttp2_nv_array_sort(out.nva, out.nvlen);
178   assert_true(nvnameeq("method", &out.nva[0]));
179 
180   nghttp2_frame_headers_free(&oframe, mem);
181   nva_out_reset(&out, mem);
182   nghttp2_bufs_reset(&bufs);
183 
184   nghttp2_bufs_free(&bufs);
185   nghttp2_frame_headers_free(&frame, mem);
186   nghttp2_hd_inflate_free(&inflater);
187   nghttp2_hd_deflate_free(&deflater);
188 }
189 
test_nghttp2_frame_pack_headers_frame_too_large(void)190 void test_nghttp2_frame_pack_headers_frame_too_large(void) {
191   nghttp2_hd_deflater deflater;
192   nghttp2_headers frame;
193   nghttp2_bufs bufs;
194   nghttp2_nv *nva;
195   size_t big_vallen = NGHTTP2_HD_MAX_NV;
196   nghttp2_nv big_hds[16];
197   size_t big_hdslen = ARRLEN(big_hds);
198   size_t i;
199   int rv;
200   nghttp2_mem *mem;
201 
202   mem = nghttp2_mem_default();
203   frame_pack_bufs_init(&bufs);
204 
205   for (i = 0; i < big_hdslen; ++i) {
206     big_hds[i].name = (uint8_t *)"header";
207     big_hds[i].value = mem->malloc(big_vallen + 1, NULL);
208     memset(big_hds[i].value, '0' + (int)i, big_vallen);
209     big_hds[i].value[big_vallen] = '\0';
210     big_hds[i].namelen = strlen((char *)big_hds[i].name);
211     big_hds[i].valuelen = big_vallen;
212     big_hds[i].flags = NGHTTP2_NV_FLAG_NONE;
213   }
214 
215   nghttp2_nv_array_copy(&nva, big_hds, big_hdslen, mem);
216   nghttp2_hd_deflate_init(&deflater, mem);
217   nghttp2_frame_headers_init(
218       &frame, NGHTTP2_FLAG_END_STREAM | NGHTTP2_FLAG_END_HEADERS, 1000000007,
219       NGHTTP2_HCAT_REQUEST, NULL, nva, big_hdslen);
220   rv = nghttp2_frame_pack_headers(&bufs, &frame, &deflater);
221   assert_int(NGHTTP2_ERR_HEADER_COMP, ==, rv);
222 
223   nghttp2_frame_headers_free(&frame, mem);
224   nghttp2_bufs_free(&bufs);
225   for (i = 0; i < big_hdslen; ++i) {
226     mem->free(big_hds[i].value, NULL);
227   }
228   nghttp2_hd_deflate_free(&deflater);
229 }
230 
test_nghttp2_frame_pack_priority(void)231 void test_nghttp2_frame_pack_priority(void) {
232   nghttp2_priority frame, oframe;
233   nghttp2_bufs bufs;
234   nghttp2_priority_spec pri_spec;
235 
236   frame_pack_bufs_init(&bufs);
237 
238   /* First, pack priority with priority group and weight */
239   nghttp2_priority_spec_init(&pri_spec, 1000000009, 12, 1);
240 
241   nghttp2_frame_priority_init(&frame, 1000000007, &pri_spec);
242   nghttp2_frame_pack_priority(&bufs, &frame);
243 
244   assert_size(NGHTTP2_FRAME_HDLEN + 5, ==, nghttp2_bufs_len(&bufs));
245   assert_int(0, ==, unpack_framebuf((nghttp2_frame *)&oframe, &bufs));
246   check_frame_header(5, NGHTTP2_PRIORITY, NGHTTP2_FLAG_NONE, 1000000007,
247                      &oframe.hd);
248 
249   assert_int32(1000000009, ==, oframe.pri_spec.stream_id);
250   assert_int32(12, ==, oframe.pri_spec.weight);
251   assert_true(oframe.pri_spec.exclusive);
252 
253   nghttp2_frame_priority_free(&oframe);
254   nghttp2_bufs_reset(&bufs);
255 
256   nghttp2_bufs_free(&bufs);
257   nghttp2_frame_priority_free(&frame);
258 }
259 
test_nghttp2_frame_pack_rst_stream(void)260 void test_nghttp2_frame_pack_rst_stream(void) {
261   nghttp2_rst_stream frame, oframe;
262   nghttp2_bufs bufs;
263 
264   frame_pack_bufs_init(&bufs);
265 
266   nghttp2_frame_rst_stream_init(&frame, 1000000007, NGHTTP2_PROTOCOL_ERROR);
267   nghttp2_frame_pack_rst_stream(&bufs, &frame);
268 
269   assert_size(NGHTTP2_FRAME_HDLEN + 4, ==, nghttp2_bufs_len(&bufs));
270   assert_int(0, ==, unpack_framebuf((nghttp2_frame *)&oframe, &bufs));
271   check_frame_header(4, NGHTTP2_RST_STREAM, NGHTTP2_FLAG_NONE, 1000000007,
272                      &oframe.hd);
273   assert_uint32(NGHTTP2_PROTOCOL_ERROR, ==, oframe.error_code);
274 
275   nghttp2_frame_rst_stream_free(&oframe);
276   nghttp2_bufs_reset(&bufs);
277 
278   /* Unknown error code is passed to callback as is */
279   frame.error_code = 1000000009;
280   nghttp2_frame_pack_rst_stream(&bufs, &frame);
281 
282   assert_int(0, ==, unpack_framebuf((nghttp2_frame *)&oframe, &bufs));
283 
284   check_frame_header(4, NGHTTP2_RST_STREAM, NGHTTP2_FLAG_NONE, 1000000007,
285                      &oframe.hd);
286 
287   assert_uint32(1000000009, ==, oframe.error_code);
288 
289   nghttp2_frame_rst_stream_free(&oframe);
290 
291   nghttp2_frame_rst_stream_free(&frame);
292 
293   nghttp2_bufs_free(&bufs);
294 }
295 
test_nghttp2_frame_pack_settings(void)296 void test_nghttp2_frame_pack_settings(void) {
297   nghttp2_settings frame, oframe;
298   nghttp2_bufs bufs;
299   int i;
300   int rv;
301   nghttp2_settings_entry iv[] = {{NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS, 256},
302                                  {NGHTTP2_SETTINGS_INITIAL_WINDOW_SIZE, 16384},
303                                  {NGHTTP2_SETTINGS_HEADER_TABLE_SIZE, 4096}};
304   nghttp2_mem *mem;
305 
306   mem = nghttp2_mem_default();
307   frame_pack_bufs_init(&bufs);
308 
309   nghttp2_frame_settings_init(&frame, NGHTTP2_FLAG_NONE,
310                               nghttp2_frame_iv_copy(iv, 3, mem), 3);
311   rv = nghttp2_frame_pack_settings(&bufs, &frame);
312 
313   assert_int(0, ==, rv);
314   assert_size(NGHTTP2_FRAME_HDLEN + 3 * NGHTTP2_FRAME_SETTINGS_ENTRY_LENGTH, ==,
315               nghttp2_bufs_len(&bufs));
316 
317   assert_int(0, ==, unpack_framebuf((nghttp2_frame *)&oframe, &bufs));
318   check_frame_header(3 * NGHTTP2_FRAME_SETTINGS_ENTRY_LENGTH, NGHTTP2_SETTINGS,
319                      NGHTTP2_FLAG_NONE, 0, &oframe.hd);
320   assert_size(3, ==, oframe.niv);
321   for (i = 0; i < 3; ++i) {
322     assert_int32(iv[i].settings_id, ==, oframe.iv[i].settings_id);
323     assert_uint32(iv[i].value, ==, oframe.iv[i].value);
324   }
325 
326   nghttp2_bufs_free(&bufs);
327   nghttp2_frame_settings_free(&frame, mem);
328   nghttp2_frame_settings_free(&oframe, mem);
329 }
330 
test_nghttp2_frame_pack_push_promise(void)331 void test_nghttp2_frame_pack_push_promise(void) {
332   nghttp2_hd_deflater deflater;
333   nghttp2_hd_inflater inflater;
334   nghttp2_push_promise frame, oframe;
335   nghttp2_bufs bufs;
336   nghttp2_nv *nva;
337   size_t nvlen;
338   nva_out out;
339   size_t hdblocklen;
340   int rv;
341   nghttp2_mem *mem;
342 
343   mem = nghttp2_mem_default();
344   frame_pack_bufs_init(&bufs);
345 
346   nva_out_init(&out);
347   nghttp2_hd_deflate_init(&deflater, mem);
348   nghttp2_hd_inflate_init(&inflater, mem);
349 
350   nva = headers(mem);
351   nvlen = HEADERS_LENGTH;
352   nghttp2_frame_push_promise_init(&frame, NGHTTP2_FLAG_END_HEADERS, 1000000007,
353                                   (1U << 31) - 1, nva, nvlen);
354   rv = nghttp2_frame_pack_push_promise(&bufs, &frame, &deflater);
355 
356   assert_int(0, ==, rv);
357   assert_size(0, <, nghttp2_bufs_len(&bufs));
358   assert_int(0, ==, unpack_framebuf((nghttp2_frame *)&oframe, &bufs));
359 
360   check_frame_header(nghttp2_bufs_len(&bufs) - NGHTTP2_FRAME_HDLEN,
361                      NGHTTP2_PUSH_PROMISE, NGHTTP2_FLAG_END_HEADERS, 1000000007,
362                      &oframe.hd);
363   assert_int32((1U << 31) - 1, ==, oframe.promised_stream_id);
364 
365   hdblocklen = nghttp2_bufs_len(&bufs) - NGHTTP2_FRAME_HDLEN - 4;
366   assert_ptrdiff(
367       (nghttp2_ssize)hdblocklen, ==,
368       inflate_hd(&inflater, &out, &bufs, NGHTTP2_FRAME_HDLEN + 4, mem));
369 
370   assert_size(7, ==, out.nvlen);
371   assert_true(nvnameeq("method", &out.nva[0]));
372   assert_true(nvvalueeq("GET", &out.nva[0]));
373 
374   nva_out_reset(&out, mem);
375   nghttp2_bufs_free(&bufs);
376   nghttp2_frame_push_promise_free(&oframe, mem);
377   nghttp2_frame_push_promise_free(&frame, mem);
378   nghttp2_hd_inflate_free(&inflater);
379   nghttp2_hd_deflate_free(&deflater);
380 }
381 
test_nghttp2_frame_pack_ping(void)382 void test_nghttp2_frame_pack_ping(void) {
383   nghttp2_ping frame, oframe;
384   nghttp2_bufs bufs;
385   const uint8_t opaque_data[] = "01234567";
386 
387   frame_pack_bufs_init(&bufs);
388 
389   nghttp2_frame_ping_init(&frame, NGHTTP2_FLAG_ACK, opaque_data);
390   nghttp2_frame_pack_ping(&bufs, &frame);
391 
392   assert_size(NGHTTP2_FRAME_HDLEN + 8, ==, nghttp2_bufs_len(&bufs));
393   assert_int(0, ==, unpack_framebuf((nghttp2_frame *)&oframe, &bufs));
394   check_frame_header(8, NGHTTP2_PING, NGHTTP2_FLAG_ACK, 0, &oframe.hd);
395   assert_memory_equal(sizeof(opaque_data) - 1, opaque_data, oframe.opaque_data);
396 
397   nghttp2_bufs_free(&bufs);
398   nghttp2_frame_ping_free(&oframe);
399   nghttp2_frame_ping_free(&frame);
400 }
401 
test_nghttp2_frame_pack_goaway(void)402 void test_nghttp2_frame_pack_goaway(void) {
403   nghttp2_goaway frame, oframe;
404   nghttp2_bufs bufs;
405   size_t opaque_data_len = 16;
406   uint8_t *opaque_data;
407   int rv;
408   nghttp2_mem *mem;
409 
410   mem = nghttp2_mem_default();
411   frame_pack_bufs_init(&bufs);
412 
413   opaque_data = mem->malloc(opaque_data_len, NULL);
414   memcpy(opaque_data, "0123456789abcdef", opaque_data_len);
415   nghttp2_frame_goaway_init(&frame, 1000000007, NGHTTP2_PROTOCOL_ERROR,
416                             opaque_data, opaque_data_len);
417   rv = nghttp2_frame_pack_goaway(&bufs, &frame);
418 
419   assert_int(0, ==, rv);
420   assert_size(NGHTTP2_FRAME_HDLEN + 8 + opaque_data_len, ==,
421               nghttp2_bufs_len(&bufs));
422   assert_int(0, ==, unpack_framebuf((nghttp2_frame *)&oframe, &bufs));
423   check_frame_header(24, NGHTTP2_GOAWAY, NGHTTP2_FLAG_NONE, 0, &oframe.hd);
424   assert_int32(1000000007, ==, oframe.last_stream_id);
425   assert_uint32(NGHTTP2_PROTOCOL_ERROR, ==, oframe.error_code);
426 
427   assert_size(opaque_data_len, ==, oframe.opaque_data_len);
428   assert_memory_equal(opaque_data_len, opaque_data, oframe.opaque_data);
429 
430   nghttp2_frame_goaway_free(&oframe, mem);
431   nghttp2_bufs_reset(&bufs);
432 
433   /* Unknown error code is passed to callback as is */
434   frame.error_code = 1000000009;
435 
436   rv = nghttp2_frame_pack_goaway(&bufs, &frame);
437 
438   assert_int(0, ==, rv);
439   assert_int(0, ==, unpack_framebuf((nghttp2_frame *)&oframe, &bufs));
440   check_frame_header(24, NGHTTP2_GOAWAY, NGHTTP2_FLAG_NONE, 0, &oframe.hd);
441   assert_uint32(1000000009, ==, oframe.error_code);
442 
443   nghttp2_frame_goaway_free(&oframe, mem);
444 
445   nghttp2_frame_goaway_free(&frame, mem);
446 
447   nghttp2_bufs_free(&bufs);
448 }
449 
test_nghttp2_frame_pack_window_update(void)450 void test_nghttp2_frame_pack_window_update(void) {
451   nghttp2_window_update frame, oframe;
452   nghttp2_bufs bufs;
453 
454   frame_pack_bufs_init(&bufs);
455 
456   nghttp2_frame_window_update_init(&frame, NGHTTP2_FLAG_NONE, 1000000007, 4096);
457   nghttp2_frame_pack_window_update(&bufs, &frame);
458 
459   assert_size(NGHTTP2_FRAME_HDLEN + 4, ==, nghttp2_bufs_len(&bufs));
460   assert_int(0, ==, unpack_framebuf((nghttp2_frame *)&oframe, &bufs));
461   check_frame_header(4, NGHTTP2_WINDOW_UPDATE, NGHTTP2_FLAG_NONE, 1000000007,
462                      &oframe.hd);
463   assert_int32(4096, ==, oframe.window_size_increment);
464 
465   nghttp2_bufs_free(&bufs);
466   nghttp2_frame_window_update_free(&oframe);
467   nghttp2_frame_window_update_free(&frame);
468 }
469 
test_nghttp2_frame_pack_altsvc(void)470 void test_nghttp2_frame_pack_altsvc(void) {
471   nghttp2_extension frame, oframe;
472   nghttp2_ext_altsvc altsvc, oaltsvc;
473   nghttp2_bufs bufs;
474   int rv;
475   size_t payloadlen;
476   static const uint8_t origin[] = "nghttp2.org";
477   static const uint8_t field_value[] = "h2=\":443\"";
478   nghttp2_buf buf;
479   uint8_t *rawbuf;
480   nghttp2_mem *mem;
481 
482   mem = nghttp2_mem_default();
483 
484   frame_pack_bufs_init(&bufs);
485 
486   frame.payload = &altsvc;
487   oframe.payload = &oaltsvc;
488 
489   rawbuf = nghttp2_mem_malloc(mem, 32);
490   nghttp2_buf_wrap_init(&buf, rawbuf, 32);
491 
492   buf.last = nghttp2_cpymem(buf.last, origin, sizeof(origin) - 1);
493   buf.last = nghttp2_cpymem(buf.last, field_value, sizeof(field_value) - 1);
494 
495   nghttp2_frame_altsvc_init(&frame, 1000000007, buf.pos, sizeof(origin) - 1,
496                             buf.pos + sizeof(origin) - 1,
497                             sizeof(field_value) - 1);
498 
499   payloadlen = 2 + sizeof(origin) - 1 + sizeof(field_value) - 1;
500 
501   nghttp2_frame_pack_altsvc(&bufs, &frame);
502 
503   assert_size(NGHTTP2_FRAME_HDLEN + payloadlen, ==, nghttp2_bufs_len(&bufs));
504 
505   rv = unpack_framebuf((nghttp2_frame *)&oframe, &bufs);
506 
507   assert_int(0, ==, rv);
508 
509   check_frame_header(payloadlen, NGHTTP2_ALTSVC, NGHTTP2_FLAG_NONE, 1000000007,
510                      &oframe.hd);
511 
512   assert_size(sizeof(origin) - 1, ==, oaltsvc.origin_len);
513   assert_memory_equal(sizeof(origin) - 1, origin, oaltsvc.origin);
514   assert_size(sizeof(field_value) - 1, ==, oaltsvc.field_value_len);
515   assert_memory_equal(sizeof(field_value) - 1, field_value,
516                       oaltsvc.field_value);
517 
518   nghttp2_frame_altsvc_free(&oframe, mem);
519   nghttp2_frame_altsvc_free(&frame, mem);
520   nghttp2_bufs_free(&bufs);
521 }
522 
test_nghttp2_frame_pack_origin(void)523 void test_nghttp2_frame_pack_origin(void) {
524   nghttp2_extension frame, oframe;
525   nghttp2_ext_origin origin, oorigin;
526   nghttp2_bufs bufs;
527   nghttp2_buf *buf;
528   int rv;
529   size_t payloadlen;
530   static const uint8_t example[] = "https://example.com";
531   static const uint8_t nghttp2[] = "https://nghttp2.org";
532   nghttp2_origin_entry ov[] = {
533       {
534           (uint8_t *)example,
535           sizeof(example) - 1,
536       },
537       {
538           NULL,
539           0,
540       },
541       {
542           (uint8_t *)nghttp2,
543           sizeof(nghttp2) - 1,
544       },
545   };
546   nghttp2_mem *mem;
547 
548   mem = nghttp2_mem_default();
549 
550   frame_pack_bufs_init(&bufs);
551 
552   frame.payload = &origin;
553   oframe.payload = &oorigin;
554 
555   nghttp2_frame_origin_init(&frame, ov, 3);
556 
557   payloadlen = 2 + sizeof(example) - 1 + 2 + 2 + sizeof(nghttp2) - 1;
558 
559   rv = nghttp2_frame_pack_origin(&bufs, &frame);
560 
561   assert_int(0, ==, rv);
562   assert_size(NGHTTP2_FRAME_HDLEN + payloadlen, ==, nghttp2_bufs_len(&bufs));
563 
564   rv = unpack_framebuf((nghttp2_frame *)&oframe, &bufs);
565 
566   assert_int(0, ==, rv);
567 
568   check_frame_header(payloadlen, NGHTTP2_ORIGIN, NGHTTP2_FLAG_NONE, 0,
569                      &oframe.hd);
570 
571   assert_size(2, ==, oorigin.nov);
572   assert_size(sizeof(example) - 1, ==, oorigin.ov[0].origin_len);
573   assert_memory_equal(sizeof(example) - 1, example, oorigin.ov[0].origin);
574   assert_size(sizeof(nghttp2) - 1, ==, oorigin.ov[1].origin_len);
575   assert_memory_equal(sizeof(nghttp2) - 1, nghttp2, oorigin.ov[1].origin);
576 
577   nghttp2_frame_origin_free(&oframe, mem);
578 
579   /* Check the case where origin length is too large */
580   buf = &bufs.head->buf;
581   nghttp2_put_uint16be(buf->pos + NGHTTP2_FRAME_HDLEN,
582                        (uint16_t)(payloadlen - 1));
583 
584   rv = unpack_framebuf((nghttp2_frame *)&oframe, &bufs);
585 
586   assert_int(NGHTTP2_ERR_FRAME_SIZE_ERROR, ==, rv);
587 
588   nghttp2_bufs_reset(&bufs);
589   memset(&oframe, 0, sizeof(oframe));
590   memset(&oorigin, 0, sizeof(oorigin));
591   oframe.payload = &oorigin;
592 
593   /* Empty ORIGIN frame */
594   nghttp2_frame_origin_init(&frame, NULL, 0);
595 
596   rv = nghttp2_frame_pack_origin(&bufs, &frame);
597 
598   assert_int(0, ==, rv);
599   assert_size(NGHTTP2_FRAME_HDLEN, ==, nghttp2_bufs_len(&bufs));
600 
601   rv = unpack_framebuf((nghttp2_frame *)&oframe, &bufs);
602 
603   assert_int(0, ==, rv);
604 
605   check_frame_header(0, NGHTTP2_ORIGIN, NGHTTP2_FLAG_NONE, 0, &oframe.hd);
606 
607   assert_size(0, ==, oorigin.nov);
608   assert_null(oorigin.ov);
609 
610   nghttp2_frame_origin_free(&oframe, mem);
611 
612   nghttp2_bufs_free(&bufs);
613 }
614 
test_nghttp2_frame_pack_priority_update(void)615 void test_nghttp2_frame_pack_priority_update(void) {
616   nghttp2_extension frame, oframe;
617   nghttp2_ext_priority_update priority_update, opriority_update;
618   nghttp2_bufs bufs;
619   int rv;
620   size_t payloadlen;
621   static const uint8_t field_value[] = "i,u=0";
622 
623   frame_pack_bufs_init(&bufs);
624 
625   frame.payload = &priority_update;
626   oframe.payload = &opriority_update;
627 
628   nghttp2_frame_priority_update_init(&frame, 1000000007, (uint8_t *)field_value,
629                                      sizeof(field_value) - 1);
630 
631   payloadlen = 4 + sizeof(field_value) - 1;
632 
633   nghttp2_frame_pack_priority_update(&bufs, &frame);
634 
635   assert_size(NGHTTP2_FRAME_HDLEN + payloadlen, ==, nghttp2_bufs_len(&bufs));
636 
637   rv = unpack_framebuf((nghttp2_frame *)&oframe, &bufs);
638 
639   assert_int(0, ==, rv);
640 
641   check_frame_header(payloadlen, NGHTTP2_PRIORITY_UPDATE, NGHTTP2_FLAG_NONE, 0,
642                      &oframe.hd);
643 
644   assert_size(sizeof(field_value) - 1, ==, opriority_update.field_value_len);
645   assert_memory_equal(sizeof(field_value) - 1, field_value,
646                       opriority_update.field_value);
647 
648   nghttp2_bufs_free(&bufs);
649 }
650 
test_nghttp2_nv_array_copy(void)651 void test_nghttp2_nv_array_copy(void) {
652   nghttp2_nv *nva;
653   int rv;
654   nghttp2_nv emptynv[] = {MAKE_NV("", ""), MAKE_NV("", "")};
655   nghttp2_nv nv[] = {MAKE_NV("alpha", "bravo"), MAKE_NV("charlie", "delta")};
656   nghttp2_nv bignv;
657   nghttp2_mem *mem;
658 
659   mem = nghttp2_mem_default();
660 
661   bignv.name = (uint8_t *)"echo";
662   bignv.namelen = strlen("echo");
663   bignv.valuelen = (1 << 14) - 1;
664   bignv.value = mem->malloc(bignv.valuelen, NULL);
665   bignv.flags = NGHTTP2_NV_FLAG_NONE;
666   memset(bignv.value, '0', bignv.valuelen);
667 
668   rv = nghttp2_nv_array_copy(&nva, NULL, 0, mem);
669   assert_int(0, ==, rv);
670   assert_null(nva);
671 
672   rv = nghttp2_nv_array_copy(&nva, emptynv, ARRLEN(emptynv), mem);
673   assert_int(0, ==, rv);
674   assert_size(0, ==, nva[0].namelen);
675   assert_size(0, ==, nva[0].valuelen);
676   assert_size(0, ==, nva[1].namelen);
677   assert_size(0, ==, nva[1].valuelen);
678 
679   nghttp2_nv_array_del(nva, mem);
680 
681   rv = nghttp2_nv_array_copy(&nva, nv, ARRLEN(nv), mem);
682   assert_int(0, ==, rv);
683   assert_size(5, ==, nva[0].namelen);
684   assert_memory_equal(5, "alpha", nva[0].name);
685   assert_size(5, ==, nva[0].valuelen);
686   assert_memory_equal(5, "bravo", nva[0].value);
687   assert_size(7, ==, nva[1].namelen);
688   assert_memory_equal(7, "charlie", nva[1].name);
689   assert_size(5, ==, nva[1].valuelen);
690   assert_memory_equal(5, "delta", nva[1].value);
691 
692   nghttp2_nv_array_del(nva, mem);
693 
694   /* Large header field is acceptable */
695   rv = nghttp2_nv_array_copy(&nva, &bignv, 1, mem);
696   assert_int(0, ==, rv);
697 
698   nghttp2_nv_array_del(nva, mem);
699 
700   mem->free(bignv.value, NULL);
701 }
702 
test_nghttp2_iv_check(void)703 void test_nghttp2_iv_check(void) {
704   nghttp2_settings_entry iv[5];
705 
706   iv[0].settings_id = NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS;
707   iv[0].value = 100;
708   iv[1].settings_id = NGHTTP2_SETTINGS_HEADER_TABLE_SIZE;
709   iv[1].value = 1024;
710 
711   assert_true(nghttp2_iv_check(iv, 2));
712 
713   iv[1].settings_id = NGHTTP2_SETTINGS_INITIAL_WINDOW_SIZE;
714   iv[1].value = NGHTTP2_MAX_WINDOW_SIZE;
715   assert_true(nghttp2_iv_check(iv, 2));
716 
717   /* Too large window size */
718   iv[1].value = (uint32_t)NGHTTP2_MAX_WINDOW_SIZE + 1;
719   assert_false(nghttp2_iv_check(iv, 2));
720 
721   /* ENABLE_PUSH only allows 0 or 1 */
722   iv[1].settings_id = NGHTTP2_SETTINGS_ENABLE_PUSH;
723   iv[1].value = 0;
724   assert_true(nghttp2_iv_check(iv, 2));
725   iv[1].value = 1;
726   assert_true(nghttp2_iv_check(iv, 2));
727   iv[1].value = 3;
728   assert_false(nghttp2_iv_check(iv, 2));
729 
730   /* Undefined SETTINGS ID is allowed */
731   iv[1].settings_id = 1000000009;
732   iv[1].value = 0;
733   assert_true(nghttp2_iv_check(iv, 2));
734 
735   /* Full size SETTINGS_HEADER_TABLE_SIZE (UINT32_MAX) must be
736      accepted */
737   iv[1].settings_id = NGHTTP2_SETTINGS_HEADER_TABLE_SIZE;
738   iv[1].value = UINT32_MAX;
739   assert_true(nghttp2_iv_check(iv, 2));
740 
741   /* Too small SETTINGS_MAX_FRAME_SIZE */
742   iv[0].settings_id = NGHTTP2_SETTINGS_MAX_FRAME_SIZE;
743   iv[0].value = NGHTTP2_MAX_FRAME_SIZE_MIN - 1;
744   assert_false(nghttp2_iv_check(iv, 1));
745 
746   /* Too large SETTINGS_MAX_FRAME_SIZE */
747   iv[0].settings_id = NGHTTP2_SETTINGS_MAX_FRAME_SIZE;
748   iv[0].value = NGHTTP2_MAX_FRAME_SIZE_MAX + 1;
749   assert_false(nghttp2_iv_check(iv, 1));
750 
751   /* Max and min SETTINGS_MAX_FRAME_SIZE */
752   iv[0].settings_id = NGHTTP2_SETTINGS_MAX_FRAME_SIZE;
753   iv[0].value = NGHTTP2_MAX_FRAME_SIZE_MIN;
754   iv[1].settings_id = NGHTTP2_SETTINGS_MAX_FRAME_SIZE;
755   iv[1].value = NGHTTP2_MAX_FRAME_SIZE_MAX;
756   assert_true(nghttp2_iv_check(iv, 2));
757 }
758