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