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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 const char *headers[] = {
"method", "GET",
"scheme", "https",
"url", "/",
"x-head", "foo",
"x-head", "bar",
"version", "HTTP/1.1",
"x-empty", "",
NULL
};
void test_nghttp2_frame_nv_sort(void)
{
char *nv[7];
nv[0] = (char*)"version";
nv[1] = (char*)"HTTP/1.1";
nv[2] = (char*)"method";
nv[3] = (char*)"GET";
nv[4] = (char*)"scheme";
nv[5] = (char*)"https";
nv[6] = NULL;
nghttp2_frame_nv_sort(nv);
CU_ASSERT(strcmp("method", nv[0]) == 0);
CU_ASSERT(strcmp("GET", nv[1]) == 0);
CU_ASSERT(strcmp("scheme", nv[2]) == 0);
CU_ASSERT(strcmp("https", nv[3]) == 0);
CU_ASSERT(strcmp("version", nv[4]) == 0);
CU_ASSERT(strcmp("HTTP/1.1", nv[5]) == 0);
}
void test_nghttp2_frame_nv_downcase(void)
{
const char *nv_src[] = {
"VERSION", "HTTP/1.1",
"Content-Length", "1000000007",
NULL
};
char **nv;
nv = nghttp2_frame_nv_copy(nv_src);
nghttp2_frame_nv_downcase(nv);
CU_ASSERT(0 == strcmp("version", nv[0]));
CU_ASSERT(0 == strcmp("HTTP/1.1", nv[1]));
CU_ASSERT(0 == strcmp("content-length", nv[2]));
CU_ASSERT(0 == strcmp("1000000007", nv[3]));
nghttp2_frame_nv_del(nv);
}
void test_nghttp2_frame_nv_check_null(void)
{
const char *headers1[] = { "path", "/", "host", "a", NULL };
const char *headers2[] = { "", "/", "host", "a", NULL };
const char *headers3[] = { "path", "/", "host\x01", "a", NULL };
const char *headers4[] = { "PATH", "/", "host", NULL, NULL };
CU_ASSERT(nghttp2_frame_nv_check_null(headers1));
CU_ASSERT(0 == nghttp2_frame_nv_check_null(headers2));
CU_ASSERT(0 == nghttp2_frame_nv_check_null(headers3));
CU_ASSERT(0 == nghttp2_frame_nv_check_null(headers4));
}
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_context deflater, inflater;
nghttp2_headers frame, oframe;
uint8_t *buf = NULL;
size_t buflen = 0;
ssize_t framelen;
nghttp2_nv *nva;
ssize_t nvlen;
nghttp2_hd_deflate_init(&deflater, NGHTTP2_HD_SIDE_CLIENT);
nghttp2_hd_inflate_init(&inflater, NGHTTP2_HD_SIDE_SERVER);
nvlen = nghttp2_nv_array_from_cstr(&nva, headers);
nghttp2_frame_headers_init(&frame, NGHTTP2_FLAG_END_STREAM, 1000000007,
1 << 20, nva, nvlen);
framelen = nghttp2_frame_pack_headers(&buf, &buflen, &frame, &deflater);
nghttp2_hd_end_headers(&deflater);
CU_ASSERT(0 == unpack_frame_with_nv_block((nghttp2_frame*)&oframe,
NGHTTP2_HEADERS,
&inflater,
buf, framelen));
check_frame_header(framelen - NGHTTP2_FRAME_HEAD_LENGTH, NGHTTP2_HEADERS,
NGHTTP2_FLAG_END_STREAM, 1000000007, &oframe.hd);
/* We didn't include PRIORITY flag so priority is not packed */
CU_ASSERT(1 << 30 == oframe.pri);
CU_ASSERT(7 == oframe.nvlen);
CU_ASSERT(nvnameeq("method", &oframe.nva[0]));
CU_ASSERT(nvvalueeq("GET", &oframe.nva[0]));
nghttp2_frame_headers_free(&oframe);
nghttp2_hd_end_headers(&inflater);
memset(&oframe, 0, sizeof(oframe));
/* Next, include PRIORITY flag */
frame.hd.flags |= NGHTTP2_FLAG_PRIORITY;
framelen = nghttp2_frame_pack_headers(&buf, &buflen, &frame, &deflater);
nghttp2_hd_end_headers(&deflater);
CU_ASSERT(0 == unpack_frame_with_nv_block((nghttp2_frame*)&oframe,
NGHTTP2_HEADERS,
&inflater,
buf, framelen));
check_frame_header(framelen - NGHTTP2_FRAME_HEAD_LENGTH, NGHTTP2_HEADERS,
NGHTTP2_FLAG_END_STREAM | NGHTTP2_FLAG_PRIORITY,
1000000007, &oframe.hd);
CU_ASSERT(1 << 20 == oframe.pri);
CU_ASSERT(nvnameeq("method", &oframe.nva[0]));
free(buf);
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_context deflater;
nghttp2_headers frame;
uint8_t *buf = NULL;
size_t buflen = 0;
ssize_t framelen;
nghttp2_nv *nva;
ssize_t nvlen;
size_t big_vallen = NGHTTP2_MAX_HD_VALUE_LENGTH;
char *big_hds[17];
size_t big_hdslen = sizeof(big_hds)/sizeof(big_hds[0]);
size_t i;
for(i = 0; i < big_hdslen; i += 2) {
big_hds[i] = (char*)"header";
big_hds[i+1] = malloc(big_vallen+1);
memset(big_hds[i+1], '0'+i, big_vallen);
big_hds[i+1][big_vallen] = '\0';
}
big_hds[big_hdslen - 1] = NULL;
nvlen = nghttp2_nv_array_from_cstr(&nva, (const char**)big_hds);
nghttp2_hd_deflate_init(&deflater, NGHTTP2_HD_SIDE_CLIENT);
nghttp2_frame_headers_init(&frame, NGHTTP2_FLAG_END_STREAM, 1000000007,
0, nva, nvlen);
framelen = nghttp2_frame_pack_headers(&buf, &buflen, &frame, &deflater);
CU_ASSERT_EQUAL(NGHTTP2_ERR_HEADER_COMP, framelen);
nghttp2_frame_headers_free(&frame);
free(buf);
for(i = 0; i < big_hdslen; i += 2) {
free(big_hds[i+1]);
}
nghttp2_hd_deflate_free(&deflater);
}
void test_nghttp2_frame_pack_priority(void)
{
nghttp2_priority frame, oframe;
uint8_t *buf = NULL;
size_t buflen = 0;
ssize_t framelen;
nghttp2_frame_priority_init(&frame, 1000000007, 1 << 30);
framelen = nghttp2_frame_pack_priority(&buf, &buflen, &frame);
CU_ASSERT(0 == nghttp2_frame_unpack_priority
(&oframe,
&buf[0], NGHTTP2_FRAME_HEAD_LENGTH,
&buf[NGHTTP2_FRAME_HEAD_LENGTH],
framelen - NGHTTP2_FRAME_HEAD_LENGTH));
check_frame_header(4, NGHTTP2_PRIORITY, NGHTTP2_FLAG_NONE, 1000000007,
&oframe.hd);
CU_ASSERT(1 << 30 == oframe.pri);
free(buf);
nghttp2_frame_priority_free(&oframe);
nghttp2_frame_priority_free(&frame);
}
void test_nghttp2_frame_pack_rst_stream(void)
{
nghttp2_rst_stream frame, oframe;
uint8_t *buf = NULL;
size_t buflen = 0;
ssize_t framelen;
nghttp2_frame_rst_stream_init(&frame, 1000000007, NGHTTP2_PROTOCOL_ERROR);
framelen = nghttp2_frame_pack_rst_stream(&buf, &buflen, &frame);
CU_ASSERT(0 == nghttp2_frame_unpack_rst_stream
(&oframe,
&buf[0], NGHTTP2_FRAME_HEAD_LENGTH,
&buf[NGHTTP2_FRAME_HEAD_LENGTH],
framelen - NGHTTP2_FRAME_HEAD_LENGTH));
check_frame_header(4, NGHTTP2_RST_STREAM, NGHTTP2_FLAG_NONE, 1000000007,
&oframe.hd);
CU_ASSERT(NGHTTP2_PROTOCOL_ERROR == oframe.error_code);
free(buf);
nghttp2_frame_rst_stream_free(&oframe);
nghttp2_frame_rst_stream_free(&frame);
}
void test_nghttp2_frame_pack_settings()
{
nghttp2_settings frame, oframe;
uint8_t *buf = NULL;
size_t buflen = 0;
ssize_t framelen;
int i;
nghttp2_settings_entry iv[3];
iv[0].settings_id = NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS;
iv[0].value = 256;
iv[1].settings_id = NGHTTP2_SETTINGS_INITIAL_WINDOW_SIZE;
iv[1].value = 16384;
iv[2].settings_id = NGHTTP2_SETTINGS_FLOW_CONTROL_OPTIONS;
iv[2].value = 1;
nghttp2_frame_settings_init(&frame, nghttp2_frame_iv_copy(iv, 3), 3);
framelen = nghttp2_frame_pack_settings(&buf, &buflen, &frame);
CU_ASSERT(NGHTTP2_FRAME_HEAD_LENGTH+3*8 == framelen);
CU_ASSERT(0 == nghttp2_frame_unpack_settings
(&oframe,
&buf[0], NGHTTP2_FRAME_HEAD_LENGTH,
&buf[NGHTTP2_FRAME_HEAD_LENGTH],
framelen - NGHTTP2_FRAME_HEAD_LENGTH));
check_frame_header(3*8, 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);
}
free(buf);
nghttp2_frame_settings_free(&frame);
nghttp2_frame_settings_free(&oframe);
}
void test_nghttp2_frame_pack_push_promise()
{
nghttp2_hd_context deflater, inflater;
nghttp2_push_promise frame, oframe;
uint8_t *buf = NULL;
size_t buflen = 0;
ssize_t framelen;
nghttp2_nv *nva;
ssize_t nvlen;
nghttp2_hd_deflate_init(&deflater, NGHTTP2_HD_SIDE_CLIENT);
nghttp2_hd_inflate_init(&inflater, NGHTTP2_HD_SIDE_SERVER);
nvlen = nghttp2_nv_array_from_cstr(&nva, headers);
nghttp2_frame_push_promise_init(&frame, NGHTTP2_FLAG_END_PUSH_PROMISE,
1000000007, (1U << 31) - 1, nva, nvlen);
framelen = nghttp2_frame_pack_push_promise(&buf, &buflen, &frame, &deflater);
nghttp2_hd_end_headers(&deflater);
CU_ASSERT(0 == unpack_frame_with_nv_block((nghttp2_frame*)&oframe,
NGHTTP2_PUSH_PROMISE,
&inflater,
buf, framelen));
check_frame_header(framelen - NGHTTP2_FRAME_HEAD_LENGTH,
NGHTTP2_PUSH_PROMISE,
NGHTTP2_FLAG_END_PUSH_PROMISE, 1000000007, &oframe.hd);
CU_ASSERT((1U << 31) - 1 == oframe.promised_stream_id);
CU_ASSERT(7 == oframe.nvlen);
CU_ASSERT(nvnameeq("method", &oframe.nva[0]));
CU_ASSERT(nvvalueeq("GET", &oframe.nva[0]));
free(buf);
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;
uint8_t *buf = NULL;
size_t buflen = 0;
ssize_t framelen;
const uint8_t opaque_data[] = "01234567";
nghttp2_frame_ping_init(&frame, NGHTTP2_FLAG_PONG, opaque_data);
framelen = nghttp2_frame_pack_ping(&buf, &buflen, &frame);
CU_ASSERT(0 == nghttp2_frame_unpack_ping
(&oframe,
&buf[0], NGHTTP2_FRAME_HEAD_LENGTH,
&buf[NGHTTP2_FRAME_HEAD_LENGTH],
framelen - NGHTTP2_FRAME_HEAD_LENGTH));
check_frame_header(8, NGHTTP2_PING, NGHTTP2_FLAG_PONG, 0, &oframe.hd);
CU_ASSERT(memcmp(opaque_data, oframe.opaque_data, sizeof(opaque_data) - 1)
== 0);
free(buf);
nghttp2_frame_ping_free(&oframe);
nghttp2_frame_ping_free(&frame);
}
void test_nghttp2_frame_pack_goaway()
{
nghttp2_goaway frame, oframe;
uint8_t *buf = NULL;
size_t buflen = 0;
ssize_t framelen;
size_t opaque_data_len = 16;
uint8_t *opaque_data = malloc(opaque_data_len);
memcpy(opaque_data, "0123456789abcdef", opaque_data_len);
nghttp2_frame_goaway_init(&frame, 1000000007, NGHTTP2_PROTOCOL_ERROR,
opaque_data, opaque_data_len);
framelen = nghttp2_frame_pack_goaway(&buf, &buflen, &frame);
CU_ASSERT(0 == nghttp2_frame_unpack_goaway
(&oframe,
&buf[0], NGHTTP2_FRAME_HEAD_LENGTH,
&buf[NGHTTP2_FRAME_HEAD_LENGTH],
framelen-NGHTTP2_FRAME_HEAD_LENGTH));
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);
CU_ASSERT(opaque_data_len == oframe.opaque_data_len);
CU_ASSERT(memcmp(opaque_data, oframe.opaque_data, opaque_data_len) == 0);
free(buf);
nghttp2_frame_goaway_free(&oframe);
nghttp2_frame_goaway_free(&frame);
}
void test_nghttp2_frame_pack_window_update(void)
{
nghttp2_window_update frame, oframe;
uint8_t *buf = NULL;
size_t buflen = 0;
ssize_t framelen;
nghttp2_frame_window_update_init(&frame, NGHTTP2_FLAG_NONE,
1000000007, 4096);
framelen = nghttp2_frame_pack_window_update(&buf, &buflen,
&frame);
CU_ASSERT(0 == nghttp2_frame_unpack_window_update
(&oframe,
&buf[0], NGHTTP2_FRAME_HEAD_LENGTH,
&buf[NGHTTP2_FRAME_HEAD_LENGTH],
framelen - NGHTTP2_FRAME_HEAD_LENGTH));
check_frame_header(4, NGHTTP2_WINDOW_UPDATE, NGHTTP2_FLAG_NONE,
1000000007, &oframe.hd);
CU_ASSERT(4096 == oframe.window_size_increment);
free(buf);
nghttp2_frame_window_update_free(&oframe);
nghttp2_frame_window_update_free(&frame);
}
void test_nghttp2_nv_array_from_cstr(void)
{
const char *empty[] = {NULL};
const char *emptynv[] = {"", "", "", "", NULL};
const char *nv[] = {"alpha", "bravo", "charlie", "delta", NULL};
const char *bignv[] = {"echo", NULL, NULL};
size_t bigvallen = 64*1024;
char *bigval = malloc(bigvallen+1);
nghttp2_nv *nva;
ssize_t rv;
memset(bigval, '0', bigvallen);
bigval[bigvallen] = '\0';
bignv[1] = bigval;
rv = nghttp2_nv_array_from_cstr(&nva, empty);
CU_ASSERT(0 == rv);
CU_ASSERT(NULL == nva);
rv = nghttp2_nv_array_from_cstr(&nva, emptynv);
CU_ASSERT(0 == rv);
CU_ASSERT(NULL == nva);
rv = nghttp2_nv_array_from_cstr(&nva, 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);
rv = nghttp2_nv_array_from_cstr(&nva, bignv);
CU_ASSERT(NGHTTP2_ERR_INVALID_ARGUMENT == rv);
free(bigval);
}
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_FLOW_CONTROL_OPTIONS;
iv[1].value = 0;
iv[2].settings_id = NGHTTP2_SETTINGS_FLOW_CONTROL_OPTIONS;
iv[2].value = 1;
CU_ASSERT(nghttp2_iv_check(iv, 2, 0));
CU_ASSERT(nghttp2_iv_check(iv, 3, 0));
/* Re-enabling flow-control*/
CU_ASSERT(0 == nghttp2_iv_check(iv, 2, 1));
CU_ASSERT(0 == nghttp2_iv_check(iv, 3, 1));
iv[1].settings_id = NGHTTP2_SETTINGS_INITIAL_WINDOW_SIZE;
iv[1].value = NGHTTP2_MAX_WINDOW_SIZE;
CU_ASSERT(nghttp2_iv_check(iv, 2, 0));
/* Too large window size */
iv[1].value = (uint32_t)NGHTTP2_MAX_WINDOW_SIZE + 1;
CU_ASSERT(0 == nghttp2_iv_check(iv, 2, 0));
}
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