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nghttp2/tests/nghttp2_frame_test.c

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/*
* nghttp2 - HTTP/2.0 C Library
*
* Copyright (c) 2012 Tatsuhiro Tsujikawa
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "nghttp2_frame_test.h"
#include <assert.h>
#include <stdio.h>
#include <CUnit/CUnit.h>
#include "nghttp2_frame.h"
#include "nghttp2_helper.h"
#include "nghttp2_test_helper.h"
static nghttp2_nv make_nv(const char *name, const char *value)
{
nghttp2_nv nv;
nv.name = (uint8_t*)name;
nv.value = (uint8_t*)value;
nv.namelen = strlen(name);
nv.valuelen = strlen(value);
return nv;
}
#define HEADERS_LENGTH 7
static nghttp2_nv* headers(void)
{
nghttp2_nv *nva = malloc(sizeof(nghttp2_nv) * HEADERS_LENGTH);
nva[0] = make_nv("method", "GET");
nva[1] = make_nv("scheme", "https");
nva[2] = make_nv("url", "/");
nva[3] = make_nv("x-head", "foo");
nva[4] = make_nv("x-head", "bar");
nva[5] = make_nv("version", "HTTP/1.1");
nva[6] = make_nv("x-empty", "");
return nva;
}
static void check_frame_header(uint16_t length, uint8_t type, uint8_t flags,
int32_t stream_id, nghttp2_frame_hd *hd)
{
CU_ASSERT(length == hd->length);
CU_ASSERT(type == hd->type);
CU_ASSERT(flags == hd->flags);
CU_ASSERT(stream_id == hd->stream_id);
}
void test_nghttp2_frame_pack_headers()
{
nghttp2_hd_deflater deflater;
nghttp2_hd_inflater inflater;
nghttp2_headers frame, oframe;
nghttp2_bufs bufs;
nghttp2_nv *nva;
ssize_t nvlen;
nva_out out;
ssize_t hdblocklen;
int rv;
frame_pack_bufs_init(&bufs);
nva_out_init(&out);
nghttp2_hd_deflate_init(&deflater);
nghttp2_hd_inflate_init(&inflater);
nva = headers();
nvlen = HEADERS_LENGTH;
nghttp2_frame_headers_init(&frame,
NGHTTP2_FLAG_END_STREAM|NGHTTP2_FLAG_END_HEADERS,
1000000007,
1 << 20, nva, nvlen);
rv = nghttp2_frame_pack_headers(&bufs, &frame, &deflater);
nghttp2_bufs_rewind(&bufs);
CU_ASSERT(0 == rv);
CU_ASSERT(nghttp2_bufs_len(&bufs) > 0);
CU_ASSERT(0 == unpack_framebuf((nghttp2_frame*)&oframe, &bufs));
check_frame_header(nghttp2_bufs_len(&bufs) - NGHTTP2_FRAME_HDLEN,
NGHTTP2_HEADERS,
NGHTTP2_FLAG_END_STREAM | NGHTTP2_FLAG_END_HEADERS,
1000000007, &oframe.hd);
/* We didn't include PRIORITY flag so priority is not packed */
CU_ASSERT(1 << 30 == oframe.pri);
hdblocklen = nghttp2_bufs_len(&bufs) - NGHTTP2_FRAME_HDLEN;
CU_ASSERT(hdblocklen ==
inflate_hd(&inflater, &out, &bufs, NGHTTP2_FRAME_HDLEN));
CU_ASSERT(7 == out.nvlen);
CU_ASSERT(nvnameeq("method", &out.nva[0]));
CU_ASSERT(nvvalueeq("GET", &out.nva[0]));
nghttp2_frame_headers_free(&oframe);
nva_out_reset(&out);
nghttp2_bufs_reset(&bufs);
memset(&oframe, 0, sizeof(oframe));
/* Next, include PRIORITY flag */
frame.hd.flags |= NGHTTP2_FLAG_PRIORITY;
rv = nghttp2_frame_pack_headers(&bufs, &frame, &deflater);
CU_ASSERT(0 == rv);
CU_ASSERT(nghttp2_bufs_len(&bufs) > 0);
CU_ASSERT(0 == unpack_framebuf((nghttp2_frame*)&oframe, &bufs));
check_frame_header(nghttp2_bufs_len(&bufs) - NGHTTP2_FRAME_HDLEN,
NGHTTP2_HEADERS,
NGHTTP2_FLAG_END_STREAM | NGHTTP2_FLAG_END_HEADERS |
NGHTTP2_FLAG_PRIORITY,
1000000007, &oframe.hd);
CU_ASSERT(1 << 20 == oframe.pri);
hdblocklen = nghttp2_bufs_len(&bufs) - NGHTTP2_FRAME_HDLEN - 4;
CU_ASSERT(hdblocklen ==
inflate_hd(&inflater, &out, &bufs, NGHTTP2_FRAME_HDLEN + 4));
nghttp2_nv_array_sort(out.nva, out.nvlen);
CU_ASSERT(nvnameeq("method", &out.nva[0]));
nva_out_reset(&out);
nghttp2_bufs_free(&bufs);
nghttp2_frame_headers_free(&oframe);
nghttp2_frame_headers_free(&frame);
nghttp2_hd_inflate_free(&inflater);
nghttp2_hd_deflate_free(&deflater);
}
void test_nghttp2_frame_pack_headers_frame_too_large(void)
{
nghttp2_hd_deflater deflater;
nghttp2_headers frame;
nghttp2_bufs bufs;
nghttp2_nv *nva;
ssize_t nvlen;
size_t big_vallen = NGHTTP2_HD_MAX_VALUE;
nghttp2_nv big_hds[16];
size_t big_hdslen = ARRLEN(big_hds);
size_t i;
int rv;
frame_pack_bufs_init(&bufs);
for(i = 0; i < big_hdslen; ++i) {
big_hds[i].name = (uint8_t*)"header";
big_hds[i].value = malloc(big_vallen+1);
memset(big_hds[i].value, '0'+i, big_vallen);
big_hds[i].value[big_vallen] = '\0';
big_hds[i].namelen = strlen((char*)big_hds[i].name);
big_hds[i].valuelen = big_vallen;
}
nvlen = nghttp2_nv_array_copy(&nva, big_hds, big_hdslen);
nghttp2_hd_deflate_init(&deflater);
nghttp2_frame_headers_init(&frame,
NGHTTP2_FLAG_END_STREAM|NGHTTP2_FLAG_END_HEADERS,
1000000007,
0, nva, nvlen);
rv = nghttp2_frame_pack_headers(&bufs, &frame, &deflater);
CU_ASSERT(NGHTTP2_ERR_HEADER_COMP == rv);
nghttp2_frame_headers_free(&frame);
nghttp2_bufs_free(&bufs);
for(i = 0; i < big_hdslen; ++i) {
free(big_hds[i].value);
}
nghttp2_hd_deflate_free(&deflater);
}
void test_nghttp2_frame_pack_priority(void)
{
nghttp2_priority frame, oframe;
nghttp2_bufs bufs;
int rv;
frame_pack_bufs_init(&bufs);
nghttp2_frame_priority_init(&frame, 1000000007, 1 << 30);
rv = nghttp2_frame_pack_priority(&bufs, &frame);
CU_ASSERT(0 == rv);
CU_ASSERT(12 == nghttp2_bufs_len(&bufs));
CU_ASSERT(0 == unpack_framebuf((nghttp2_frame*)&oframe, &bufs));
check_frame_header(4, NGHTTP2_PRIORITY, NGHTTP2_FLAG_NONE, 1000000007,
&oframe.hd);
CU_ASSERT(1 << 30 == oframe.pri);
nghttp2_bufs_free(&bufs);
nghttp2_frame_priority_free(&oframe);
nghttp2_frame_priority_free(&frame);
}
void test_nghttp2_frame_pack_rst_stream(void)
{
nghttp2_rst_stream frame, oframe;
nghttp2_bufs bufs;
int rv;
frame_pack_bufs_init(&bufs);
nghttp2_frame_rst_stream_init(&frame, 1000000007, NGHTTP2_PROTOCOL_ERROR);
rv = nghttp2_frame_pack_rst_stream(&bufs, &frame);
CU_ASSERT(0 == rv);
CU_ASSERT(12 == nghttp2_bufs_len(&bufs));
CU_ASSERT(0 == unpack_framebuf((nghttp2_frame*)&oframe, &bufs));
check_frame_header(4, NGHTTP2_RST_STREAM, NGHTTP2_FLAG_NONE, 1000000007,
&oframe.hd);
CU_ASSERT(NGHTTP2_PROTOCOL_ERROR == oframe.error_code);
nghttp2_bufs_free(&bufs);
nghttp2_frame_rst_stream_free(&oframe);
nghttp2_frame_rst_stream_free(&frame);
}
void test_nghttp2_frame_pack_settings()
{
nghttp2_settings frame, oframe;
nghttp2_bufs bufs;
int i;
int rv;
nghttp2_settings_entry iv[] =
{
{
NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS, 256
},
{
NGHTTP2_SETTINGS_INITIAL_WINDOW_SIZE, 16384
},
{
NGHTTP2_SETTINGS_HEADER_TABLE_SIZE, 4096
}
};
frame_pack_bufs_init(&bufs);
nghttp2_frame_settings_init(&frame, NGHTTP2_FLAG_NONE,
nghttp2_frame_iv_copy(iv, 3), 3);
rv = nghttp2_frame_pack_settings(&bufs, &frame);
CU_ASSERT(0 == rv);
CU_ASSERT(NGHTTP2_FRAME_HDLEN + 3 * NGHTTP2_FRAME_SETTINGS_ENTRY_LENGTH ==
nghttp2_bufs_len(&bufs));
CU_ASSERT(0 == unpack_framebuf((nghttp2_frame*)&oframe, &bufs));
check_frame_header(3 * NGHTTP2_FRAME_SETTINGS_ENTRY_LENGTH,
NGHTTP2_SETTINGS, NGHTTP2_FLAG_NONE, 0, &oframe.hd);
CU_ASSERT(3 == oframe.niv);
for(i = 0; i < 3; ++i) {
CU_ASSERT(iv[i].settings_id == oframe.iv[i].settings_id);
CU_ASSERT(iv[i].value == oframe.iv[i].value);
}
nghttp2_bufs_free(&bufs);
nghttp2_frame_settings_free(&frame);
nghttp2_frame_settings_free(&oframe);
}
void test_nghttp2_frame_pack_push_promise()
{
nghttp2_hd_deflater deflater;
nghttp2_hd_inflater inflater;
nghttp2_push_promise frame, oframe;
nghttp2_bufs bufs;
nghttp2_nv *nva;
ssize_t nvlen;
nva_out out;
ssize_t hdblocklen;
int rv;
frame_pack_bufs_init(&bufs);
nva_out_init(&out);
nghttp2_hd_deflate_init(&deflater);
nghttp2_hd_inflate_init(&inflater);
nva = headers();
nvlen = HEADERS_LENGTH;
nghttp2_frame_push_promise_init(&frame, NGHTTP2_FLAG_END_HEADERS,
1000000007, (1U << 31) - 1, nva, nvlen);
rv = nghttp2_frame_pack_push_promise(&bufs, &frame, &deflater);
CU_ASSERT(0 == rv);
CU_ASSERT(nghttp2_bufs_len(&bufs) > 0);
CU_ASSERT(0 == unpack_framebuf((nghttp2_frame*)&oframe, &bufs));
check_frame_header(nghttp2_bufs_len(&bufs) - NGHTTP2_FRAME_HDLEN,
NGHTTP2_PUSH_PROMISE,
NGHTTP2_FLAG_END_HEADERS, 1000000007, &oframe.hd);
CU_ASSERT((1U << 31) - 1 == oframe.promised_stream_id);
hdblocklen = nghttp2_bufs_len(&bufs) - NGHTTP2_FRAME_HDLEN - 4;
CU_ASSERT(hdblocklen ==
inflate_hd(&inflater, &out, &bufs, NGHTTP2_FRAME_HDLEN + 4));
CU_ASSERT(7 == out.nvlen);
CU_ASSERT(nvnameeq("method", &out.nva[0]));
CU_ASSERT(nvvalueeq("GET", &out.nva[0]));
nva_out_reset(&out);
nghttp2_bufs_free(&bufs);
nghttp2_frame_push_promise_free(&oframe);
nghttp2_frame_push_promise_free(&frame);
nghttp2_hd_inflate_free(&inflater);
nghttp2_hd_deflate_free(&deflater);
}
void test_nghttp2_frame_pack_ping(void)
{
nghttp2_ping frame, oframe;
nghttp2_bufs bufs;
const uint8_t opaque_data[] = "01234567";
int rv;
frame_pack_bufs_init(&bufs);
nghttp2_frame_ping_init(&frame, NGHTTP2_FLAG_ACK, opaque_data);
rv = nghttp2_frame_pack_ping(&bufs, &frame);
CU_ASSERT(0 == rv);
CU_ASSERT(16 == nghttp2_bufs_len(&bufs));
CU_ASSERT(0 == unpack_framebuf((nghttp2_frame*)&oframe, &bufs));
check_frame_header(8, NGHTTP2_PING, NGHTTP2_FLAG_ACK, 0, &oframe.hd);
CU_ASSERT(memcmp(opaque_data, oframe.opaque_data, sizeof(opaque_data) - 1)
== 0);
nghttp2_bufs_free(&bufs);
nghttp2_frame_ping_free(&oframe);
nghttp2_frame_ping_free(&frame);
}
void test_nghttp2_frame_pack_goaway()
{
nghttp2_goaway frame, oframe;
nghttp2_bufs bufs;
size_t opaque_data_len = 16;
uint8_t *opaque_data = malloc(opaque_data_len);
int rv;
frame_pack_bufs_init(&bufs);
memcpy(opaque_data, "0123456789abcdef", opaque_data_len);
nghttp2_frame_goaway_init(&frame, 1000000007, NGHTTP2_PROTOCOL_ERROR,
opaque_data, opaque_data_len);
rv = nghttp2_frame_pack_goaway(&bufs, &frame);
CU_ASSERT(0 == rv);
CU_ASSERT((ssize_t)(16 + opaque_data_len) == nghttp2_bufs_len(&bufs));
CU_ASSERT(0 == unpack_framebuf((nghttp2_frame*)&oframe, &bufs));
check_frame_header(24, NGHTTP2_GOAWAY, NGHTTP2_FLAG_NONE, 0, &oframe.hd);
CU_ASSERT(1000000007 == oframe.last_stream_id);
CU_ASSERT(NGHTTP2_PROTOCOL_ERROR == oframe.error_code);
/* TODO Currently, opaque data is discarded */
CU_ASSERT(0 == oframe.opaque_data_len);
CU_ASSERT(NULL == oframe.opaque_data);
/* CU_ASSERT(opaque_data_len == oframe.opaque_data_len); */
/* CU_ASSERT(memcmp(opaque_data, oframe.opaque_data, opaque_data_len) == 0); */
nghttp2_bufs_free(&bufs);
nghttp2_frame_goaway_free(&oframe);
nghttp2_frame_goaway_free(&frame);
}
void test_nghttp2_frame_pack_window_update(void)
{
nghttp2_window_update frame, oframe;
nghttp2_bufs bufs;
int rv;
frame_pack_bufs_init(&bufs);
nghttp2_frame_window_update_init(&frame, NGHTTP2_FLAG_NONE,
1000000007, 4096);
rv = nghttp2_frame_pack_window_update(&bufs, &frame);
CU_ASSERT(0 == rv);
CU_ASSERT(12 == nghttp2_bufs_len(&bufs));
CU_ASSERT(0 == unpack_framebuf((nghttp2_frame*)&oframe, &bufs));
check_frame_header(4, NGHTTP2_WINDOW_UPDATE, NGHTTP2_FLAG_NONE,
1000000007, &oframe.hd);
CU_ASSERT(4096 == oframe.window_size_increment);
nghttp2_bufs_free(&bufs);
nghttp2_frame_window_update_free(&oframe);
nghttp2_frame_window_update_free(&frame);
}
void test_nghttp2_nv_array_copy(void)
{
nghttp2_nv *nva;
ssize_t rv;
nghttp2_nv emptynv[] = {MAKE_NV("", ""),
MAKE_NV("", "")};
nghttp2_nv nv[] = {MAKE_NV("alpha", "bravo"),
MAKE_NV("charlie", "delta")};
nghttp2_nv bignv;
bignv.name = (uint8_t*)"echo";
bignv.namelen = (uint16_t)strlen("echo");
bignv.valuelen = (1 << 14) - 1;
bignv.value = malloc(bignv.valuelen);
memset(bignv.value, '0', bignv.valuelen);
rv = nghttp2_nv_array_copy(&nva, NULL, 0);
CU_ASSERT(0 == rv);
CU_ASSERT(NULL == nva);
rv = nghttp2_nv_array_copy(&nva, emptynv, ARRLEN(emptynv));
CU_ASSERT(0 == rv);
CU_ASSERT(NULL == nva);
rv = nghttp2_nv_array_copy(&nva, nv, ARRLEN(nv));
CU_ASSERT(2 == rv);
CU_ASSERT(nva[0].namelen == 5);
CU_ASSERT(0 == memcmp("alpha", nva[0].name, 5));
CU_ASSERT(nva[0].valuelen = 5);
CU_ASSERT(0 == memcmp("bravo", nva[0].value, 5));
CU_ASSERT(nva[1].namelen == 7);
CU_ASSERT(0 == memcmp("charlie", nva[1].name, 7));
CU_ASSERT(nva[1].valuelen == 5);
CU_ASSERT(0 == memcmp("delta", nva[1].value, 5));
nghttp2_nv_array_del(nva);
/* Large header field is acceptable */
rv = nghttp2_nv_array_copy(&nva, &bignv, 1);
CU_ASSERT(1 == rv);
nghttp2_nv_array_del(nva);
free(bignv.value);
}
void test_nghttp2_iv_check(void)
{
nghttp2_settings_entry iv[5];
iv[0].settings_id = NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS;
iv[0].value = 100;
iv[1].settings_id = NGHTTP2_SETTINGS_HEADER_TABLE_SIZE;
iv[1].value = 1024;
CU_ASSERT(nghttp2_iv_check(iv, 2));
iv[1].settings_id = NGHTTP2_SETTINGS_INITIAL_WINDOW_SIZE;
iv[1].value = NGHTTP2_MAX_WINDOW_SIZE;
CU_ASSERT(nghttp2_iv_check(iv, 2));
/* Too large window size */
iv[1].value = (uint32_t)NGHTTP2_MAX_WINDOW_SIZE + 1;
CU_ASSERT(0 == nghttp2_iv_check(iv, 2));
/* ENABLE_PUSH only allows 0 or 1 */
iv[1].settings_id = NGHTTP2_SETTINGS_ENABLE_PUSH;
iv[1].value = 0;
CU_ASSERT(nghttp2_iv_check(iv, 2));
iv[1].value = 1;
CU_ASSERT(nghttp2_iv_check(iv, 2));
iv[1].value = 3;
CU_ASSERT(!nghttp2_iv_check(iv, 2));
/* Undefined SETTINGS ID */
iv[1].settings_id = 1000000009;
iv[1].value = 0;
CU_ASSERT(!nghttp2_iv_check(iv, 2));
}
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