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nghttp2_hd_test.c
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/*
* nghttp2 - HTTP/2 C Library
*
* Copyright (c) 2013 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_hd_test.h"
#include <stdio.h>
#include <assert.h>
#include <CUnit/CUnit.h>
#include "nghttp2_hd.h"
#include "nghttp2_frame.h"
#include "nghttp2_test_helper.h"
void test_nghttp2_hd_deflate(void) {
nghttp2_hd_deflater deflater;
nghttp2_hd_inflater inflater;
nghttp2_nv nva1[] = {MAKE_NV(":path", "/my-example/index.html"),
MAKE_NV(":scheme", "https"), MAKE_NV("hello", "world")};
nghttp2_nv nva2[] = {MAKE_NV(":path", "/script.js"),
MAKE_NV(":scheme", "https")};
nghttp2_nv nva3[] = {MAKE_NV("cookie", "k1=v1"), MAKE_NV("cookie", "k2=v2"),
MAKE_NV("via", "proxy")};
nghttp2_nv nva4[] = {MAKE_NV(":path", "/style.css"),
MAKE_NV("cookie", "k1=v1"), MAKE_NV("cookie", "k1=v1")};
nghttp2_nv nva5[] = {MAKE_NV(":path", "/style.css"),
MAKE_NV("x-nghttp2", "")};
nghttp2_bufs bufs;
ssize_t blocklen;
nva_out out;
int rv;
nghttp2_mem *mem;
mem = nghttp2_mem_default();
frame_pack_bufs_init(&bufs);
nva_out_init(&out);
CU_ASSERT(0 == nghttp2_hd_deflate_init(&deflater, mem));
CU_ASSERT(0 == nghttp2_hd_inflate_init(&inflater, mem));
rv = nghttp2_hd_deflate_hd_bufs(&deflater, &bufs, nva1, ARRLEN(nva1));
blocklen = (ssize_t)nghttp2_bufs_len(&bufs);
CU_ASSERT(0 == rv);
CU_ASSERT(blocklen > 0);
CU_ASSERT(blocklen == inflate_hd(&inflater, &out, &bufs, 0, mem));
CU_ASSERT(3 == out.nvlen);
assert_nv_equal(nva1, out.nva, 3, mem);
nva_out_reset(&out, mem);
nghttp2_bufs_reset(&bufs);
/* Second headers */
rv = nghttp2_hd_deflate_hd_bufs(&deflater, &bufs, nva2, ARRLEN(nva2));
blocklen = (ssize_t)nghttp2_bufs_len(&bufs);
CU_ASSERT(0 == rv);
CU_ASSERT(blocklen > 0);
CU_ASSERT(blocklen == inflate_hd(&inflater, &out, &bufs, 0, mem));
CU_ASSERT(2 == out.nvlen);
assert_nv_equal(nva2, out.nva, 2, mem);
nva_out_reset(&out, mem);
nghttp2_bufs_reset(&bufs);
/* Third headers, including same header field name, but value is not
the same. */
rv = nghttp2_hd_deflate_hd_bufs(&deflater, &bufs, nva3, ARRLEN(nva3));
blocklen = (ssize_t)nghttp2_bufs_len(&bufs);
CU_ASSERT(0 == rv);
CU_ASSERT(blocklen > 0);
CU_ASSERT(blocklen == inflate_hd(&inflater, &out, &bufs, 0, mem));
CU_ASSERT(3 == out.nvlen);
assert_nv_equal(nva3, out.nva, 3, mem);
nva_out_reset(&out, mem);
nghttp2_bufs_reset(&bufs);
/* Fourth headers, including duplicate header fields. */
rv = nghttp2_hd_deflate_hd_bufs(&deflater, &bufs, nva4, ARRLEN(nva4));
blocklen = (ssize_t)nghttp2_bufs_len(&bufs);
CU_ASSERT(0 == rv);
CU_ASSERT(blocklen > 0);
CU_ASSERT(blocklen == inflate_hd(&inflater, &out, &bufs, 0, mem));
CU_ASSERT(3 == out.nvlen);
assert_nv_equal(nva4, out.nva, 3, mem);
nva_out_reset(&out, mem);
nghttp2_bufs_reset(&bufs);
/* Fifth headers includes empty value */
rv = nghttp2_hd_deflate_hd_bufs(&deflater, &bufs, nva5, ARRLEN(nva5));
blocklen = (ssize_t)nghttp2_bufs_len(&bufs);
CU_ASSERT(0 == rv);
CU_ASSERT(blocklen > 0);
CU_ASSERT(blocklen == inflate_hd(&inflater, &out, &bufs, 0, mem));
CU_ASSERT(2 == out.nvlen);
assert_nv_equal(nva5, out.nva, 2, mem);
nva_out_reset(&out, mem);
nghttp2_bufs_reset(&bufs);
/* Cleanup */
nghttp2_bufs_free(&bufs);
nghttp2_hd_inflate_free(&inflater);
nghttp2_hd_deflate_free(&deflater);
}
void test_nghttp2_hd_deflate_same_indexed_repr(void) {
nghttp2_hd_deflater deflater;
nghttp2_hd_inflater inflater;
nghttp2_nv nva1[] = {MAKE_NV("host", "alpha"), MAKE_NV("host", "alpha")};
nghttp2_nv nva2[] = {MAKE_NV("host", "alpha"), MAKE_NV("host", "alpha"),
MAKE_NV("host", "alpha")};
nghttp2_bufs bufs;
ssize_t blocklen;
nva_out out;
int rv;
nghttp2_mem *mem;
mem = nghttp2_mem_default();
frame_pack_bufs_init(&bufs);
nva_out_init(&out);
CU_ASSERT(0 == nghttp2_hd_deflate_init(&deflater, mem));
CU_ASSERT(0 == nghttp2_hd_inflate_init(&inflater, mem));
/* Encode 2 same headers. Emit 1 literal reprs and 1 index repr. */
rv = nghttp2_hd_deflate_hd_bufs(&deflater, &bufs, nva1, ARRLEN(nva1));
blocklen = (ssize_t)nghttp2_bufs_len(&bufs);
CU_ASSERT(0 == rv);
CU_ASSERT(blocklen > 0);
CU_ASSERT(blocklen == inflate_hd(&inflater, &out, &bufs, 0, mem));
CU_ASSERT(2 == out.nvlen);
assert_nv_equal(nva1, out.nva, 2, mem);
nva_out_reset(&out, mem);
nghttp2_bufs_reset(&bufs);
/* Encode 3 same headers. This time, emits 3 index reprs. */
rv = nghttp2_hd_deflate_hd_bufs(&deflater, &bufs, nva2, ARRLEN(nva2));
blocklen = (ssize_t)nghttp2_bufs_len(&bufs);
CU_ASSERT(0 == rv);
CU_ASSERT(blocklen == 3);
CU_ASSERT(blocklen == inflate_hd(&inflater, &out, &bufs, 0, mem));
CU_ASSERT(3 == out.nvlen);
assert_nv_equal(nva2, out.nva, 3, mem);
nva_out_reset(&out, mem);
nghttp2_bufs_reset(&bufs);
/* Cleanup */
nghttp2_bufs_free(&bufs);
nghttp2_hd_inflate_free(&inflater);
nghttp2_hd_deflate_free(&deflater);
}
void test_nghttp2_hd_inflate_indexed(void) {
nghttp2_hd_inflater inflater;
nghttp2_bufs bufs;
ssize_t blocklen;
nghttp2_nv nv = MAKE_NV(":path", "/");
nva_out out;
nghttp2_mem *mem;
mem = nghttp2_mem_default();
frame_pack_bufs_init(&bufs);
nva_out_init(&out);
nghttp2_hd_inflate_init(&inflater, mem);
nghttp2_bufs_addb(&bufs, (1 << 7) | 4);
blocklen = (ssize_t)nghttp2_bufs_len(&bufs);
CU_ASSERT(1 == blocklen);
CU_ASSERT(blocklen == inflate_hd(&inflater, &out, &bufs, 0, mem));
CU_ASSERT(1 == out.nvlen);
assert_nv_equal(&nv, out.nva, 1, mem);
nva_out_reset(&out, mem);
nghttp2_bufs_reset(&bufs);
/* index = 0 is error */
nghttp2_bufs_addb(&bufs, 1 << 7);
blocklen = (ssize_t)nghttp2_bufs_len(&bufs);
CU_ASSERT(1 == blocklen);
CU_ASSERT(NGHTTP2_ERR_HEADER_COMP ==
inflate_hd(&inflater, &out, &bufs, 0, mem));
nghttp2_bufs_free(&bufs);
nghttp2_hd_inflate_free(&inflater);
}
void test_nghttp2_hd_inflate_indname_noinc(void) {
nghttp2_hd_inflater inflater;
nghttp2_bufs bufs;
ssize_t blocklen;
nghttp2_nv nv[] = {/* Huffman */
MAKE_NV("user-agent", "nghttp2"),
/* Expecting no huffman */
MAKE_NV("user-agent", "x")};
size_t i;
nva_out out;
nghttp2_mem *mem;
mem = nghttp2_mem_default();
frame_pack_bufs_init(&bufs);
nva_out_init(&out);
nghttp2_hd_inflate_init(&inflater, mem);
for (i = 0; i < ARRLEN(nv); ++i) {
CU_ASSERT(0 == nghttp2_hd_emit_indname_block(&bufs, 57, &nv[i],
NGHTTP2_HD_WITHOUT_INDEXING));
blocklen = (ssize_t)nghttp2_bufs_len(&bufs);
CU_ASSERT(blocklen > 0);
CU_ASSERT(blocklen == inflate_hd(&inflater, &out, &bufs, 0, mem));
CU_ASSERT(1 == out.nvlen);
assert_nv_equal(&nv[i], out.nva, 1, mem);
CU_ASSERT(0 == inflater.ctx.hd_table.len);
CU_ASSERT(61 == nghttp2_hd_inflate_get_num_table_entries(&inflater));
nva_out_reset(&out, mem);
nghttp2_bufs_reset(&bufs);
}
nghttp2_bufs_free(&bufs);
nghttp2_hd_inflate_free(&inflater);
}
void test_nghttp2_hd_inflate_indname_inc(void) {
nghttp2_hd_inflater inflater;
nghttp2_bufs bufs;
ssize_t blocklen;
nghttp2_nv nv = MAKE_NV("user-agent", "nghttp2");
nva_out out;
nghttp2_mem *mem;
mem = nghttp2_mem_default();
frame_pack_bufs_init(&bufs);
nva_out_init(&out);
nghttp2_hd_inflate_init(&inflater, mem);
CU_ASSERT(0 == nghttp2_hd_emit_indname_block(&bufs, 57, &nv,
NGHTTP2_HD_WITH_INDEXING));
blocklen = (ssize_t)nghttp2_bufs_len(&bufs);
CU_ASSERT(blocklen > 0);
CU_ASSERT(blocklen == inflate_hd(&inflater, &out, &bufs, 0, mem));
CU_ASSERT(1 == out.nvlen);
assert_nv_equal(&nv, out.nva, 1, mem);
CU_ASSERT(1 == inflater.ctx.hd_table.len);
CU_ASSERT(62 == nghttp2_hd_inflate_get_num_table_entries(&inflater));
assert_nv_equal(
&nv,
nghttp2_hd_inflate_get_table_entry(
&inflater, NGHTTP2_STATIC_TABLE_LENGTH + inflater.ctx.hd_table.len),
1, mem);
nva_out_reset(&out, mem);
nghttp2_bufs_free(&bufs);
nghttp2_hd_inflate_free(&inflater);
}
void test_nghttp2_hd_inflate_indname_inc_eviction(void) {
nghttp2_hd_inflater inflater;
nghttp2_bufs bufs;
ssize_t blocklen;
uint8_t value[1025];
nva_out out;
nghttp2_nv nv;
nghttp2_mem *mem;
mem = nghttp2_mem_default();
frame_pack_bufs_init(&bufs);
nva_out_init(&out);
nghttp2_hd_inflate_init(&inflater, mem);
memset(value, '0', sizeof(value));
value[sizeof(value) - 1] = '\0';
nv.value = value;
nv.valuelen = sizeof(value) - 1;
nv.flags = NGHTTP2_NV_FLAG_NONE;
CU_ASSERT(0 == nghttp2_hd_emit_indname_block(&bufs, 14, &nv,
NGHTTP2_HD_WITH_INDEXING));
CU_ASSERT(0 == nghttp2_hd_emit_indname_block(&bufs, 15, &nv,
NGHTTP2_HD_WITH_INDEXING));
CU_ASSERT(0 == nghttp2_hd_emit_indname_block(&bufs, 16, &nv,
NGHTTP2_HD_WITH_INDEXING));
CU_ASSERT(0 == nghttp2_hd_emit_indname_block(&bufs, 17, &nv,
NGHTTP2_HD_WITH_INDEXING));
blocklen = (ssize_t)nghttp2_bufs_len(&bufs);
CU_ASSERT(blocklen > 0);
CU_ASSERT(blocklen == inflate_hd(&inflater, &out, &bufs, 0, mem));
CU_ASSERT(4 == out.nvlen);
CU_ASSERT(14 == out.nva[0].namelen);
CU_ASSERT(0 == memcmp("accept-charset", out.nva[0].name, out.nva[0].namelen));
CU_ASSERT(sizeof(value) - 1 == out.nva[0].valuelen);
nva_out_reset(&out, mem);
nghttp2_bufs_reset(&bufs);
CU_ASSERT(3 == inflater.ctx.hd_table.len);
CU_ASSERT(64 == nghttp2_hd_inflate_get_num_table_entries(&inflater));
nghttp2_bufs_free(&bufs);
nghttp2_hd_inflate_free(&inflater);
}
void test_nghttp2_hd_inflate_newname_noinc(void) {
nghttp2_hd_inflater inflater;
nghttp2_bufs bufs;
ssize_t blocklen;
nghttp2_nv nv[] = {/* Expecting huffman for both */
MAKE_NV("my-long-content-length", "nghttp2"),
/* Expecting no huffman for both */
MAKE_NV("x", "y"),
/* Huffman for key only */
MAKE_NV("my-long-content-length", "y"),
/* Huffman for value only */
MAKE_NV("x", "nghttp2")};
size_t i;
nva_out out;
nghttp2_mem *mem;
mem = nghttp2_mem_default();
frame_pack_bufs_init(&bufs);
nva_out_init(&out);
nghttp2_hd_inflate_init(&inflater, mem);
for (i = 0; i < ARRLEN(nv); ++i) {
CU_ASSERT(0 == nghttp2_hd_emit_newname_block(&bufs, &nv[i],
NGHTTP2_HD_WITHOUT_INDEXING));
blocklen = (ssize_t)nghttp2_bufs_len(&bufs);
CU_ASSERT(blocklen > 0);
CU_ASSERT(blocklen == inflate_hd(&inflater, &out, &bufs, 0, mem));
CU_ASSERT(1 == out.nvlen);
assert_nv_equal(&nv[i], out.nva, 1, mem);
CU_ASSERT(0 == inflater.ctx.hd_table.len);
nva_out_reset(&out, mem);
nghttp2_bufs_reset(&bufs);
}
nghttp2_bufs_free(&bufs);
nghttp2_hd_inflate_free(&inflater);
}
void test_nghttp2_hd_inflate_newname_inc(void) {
nghttp2_hd_inflater inflater;
nghttp2_bufs bufs;
ssize_t blocklen;
nghttp2_nv nv = MAKE_NV("x-rel", "nghttp2");
nva_out out;
nghttp2_mem *mem;
mem = nghttp2_mem_default();
frame_pack_bufs_init(&bufs);
nva_out_init(&out);
nghttp2_hd_inflate_init(&inflater, mem);
CU_ASSERT(
0 == nghttp2_hd_emit_newname_block(&bufs, &nv, NGHTTP2_HD_WITH_INDEXING));
blocklen = (ssize_t)nghttp2_bufs_len(&bufs);
CU_ASSERT(blocklen > 0);
CU_ASSERT(blocklen == inflate_hd(&inflater, &out, &bufs, 0, mem));
CU_ASSERT(1 == out.nvlen);
assert_nv_equal(&nv, out.nva, 1, mem);
CU_ASSERT(1 == inflater.ctx.hd_table.len);
assert_nv_equal(
&nv,
nghttp2_hd_inflate_get_table_entry(
&inflater, NGHTTP2_STATIC_TABLE_LENGTH + inflater.ctx.hd_table.len),
1, mem);
nva_out_reset(&out, mem);
nghttp2_bufs_free(&bufs);
nghttp2_hd_inflate_free(&inflater);
}
void test_nghttp2_hd_inflate_clearall_inc(void) {
nghttp2_hd_inflater inflater;
nghttp2_bufs bufs;
ssize_t blocklen;
nghttp2_nv nv;
uint8_t value[4061];
nva_out out;
nghttp2_mem *mem;
mem = nghttp2_mem_default();
bufs_large_init(&bufs, 8192);
nva_out_init(&out);
/* Total 4097 bytes space required to hold this entry */
nv.name = (uint8_t *)"alpha";
nv.namelen = strlen((char *)nv.name);
memset(value, '0', sizeof(value));
value[sizeof(value) - 1] = '\0';
nv.value = value;
nv.valuelen = sizeof(value) - 1;
nv.flags = NGHTTP2_NV_FLAG_NONE;
nghttp2_hd_inflate_init(&inflater, mem);
CU_ASSERT(
0 == nghttp2_hd_emit_newname_block(&bufs, &nv, NGHTTP2_HD_WITH_INDEXING));
blocklen = (ssize_t)nghttp2_bufs_len(&bufs);
CU_ASSERT(blocklen > 0);
CU_ASSERT(blocklen == inflate_hd(&inflater, &out, &bufs, 0, mem));
CU_ASSERT(1 == out.nvlen);
assert_nv_equal(&nv, out.nva, 1, mem);
CU_ASSERT(0 == inflater.ctx.hd_table.len);
nva_out_reset(&out, mem);
/* Do it again */
CU_ASSERT(blocklen == inflate_hd(&inflater, &out, &bufs, 0, mem));
CU_ASSERT(1 == out.nvlen);
assert_nv_equal(&nv, out.nva, 1, mem);
CU_ASSERT(0 == inflater.ctx.hd_table.len);
nva_out_reset(&out, mem);
nghttp2_bufs_reset(&bufs);
/* This time, 4096 bytes space required, which is just fits in the
header table */
nv.valuelen = sizeof(value) - 2;
CU_ASSERT(
0 == nghttp2_hd_emit_newname_block(&bufs, &nv, NGHTTP2_HD_WITH_INDEXING));
blocklen = (ssize_t)nghttp2_bufs_len(&bufs);
CU_ASSERT(blocklen > 0);
CU_ASSERT(blocklen == inflate_hd(&inflater, &out, &bufs, 0, mem));
CU_ASSERT(1 == out.nvlen);
assert_nv_equal(&nv, out.nva, 1, mem);
CU_ASSERT(1 == inflater.ctx.hd_table.len);
nva_out_reset(&out, mem);
nghttp2_bufs_reset(&bufs);
nghttp2_bufs_free(&bufs);
nghttp2_hd_inflate_free(&inflater);
}
void test_nghttp2_hd_inflate_zero_length_huffman(void) {
nghttp2_hd_inflater inflater;
nghttp2_bufs bufs;
/* Literal header without indexing - new name */
uint8_t data[] = {0x40, 0x01, 0x78 /* 'x' */, 0x80};
nva_out out;
nghttp2_mem *mem;
mem = nghttp2_mem_default();
frame_pack_bufs_init(&bufs);
nva_out_init(&out);
nghttp2_bufs_add(&bufs, data, sizeof(data));
/* /\* Literal header without indexing - new name *\/ */
/* ptr[0] = 0x40; */
/* ptr[1] = 1; */
/* ptr[2] = 'x'; */
/* ptr[3] = 0x80; */
nghttp2_hd_inflate_init(&inflater, mem);
CU_ASSERT(4 == inflate_hd(&inflater, &out, &bufs, 0, mem));
CU_ASSERT(1 == out.nvlen);
CU_ASSERT(1 == out.nva[0].namelen);
CU_ASSERT('x' == out.nva[0].name[0]);
CU_ASSERT(NULL == out.nva[0].value);
CU_ASSERT(0 == out.nva[0].valuelen);
nva_out_reset(&out, mem);
nghttp2_bufs_free(&bufs);
nghttp2_hd_inflate_free(&inflater);
}
void test_nghttp2_hd_inflate_expect_table_size_update(void) {
nghttp2_hd_inflater inflater;
nghttp2_bufs bufs;
nghttp2_mem *mem;
/* Indexed Header: :method: GET */
uint8_t data[] = {0x82};
nva_out out;
mem = nghttp2_mem_default();
frame_pack_bufs_init(&bufs);
nva_out_init(&out);
nghttp2_bufs_add(&bufs, data, sizeof(data));
nghttp2_hd_inflate_init(&inflater, mem);
/* This will make inflater require table size update in the next
inflation. */
nghttp2_hd_inflate_change_table_size(&inflater, 4095);
nghttp2_hd_inflate_change_table_size(&inflater, 4096);
CU_ASSERT(NGHTTP2_ERR_HEADER_COMP ==
inflate_hd(&inflater, &out, &bufs, 0, mem));
nva_out_reset(&out, mem);
nghttp2_hd_inflate_free(&inflater);
/* This does not require for encoder to emit table size update since
* size is not changed. */
nghttp2_hd_inflate_init(&inflater, mem);
nghttp2_hd_inflate_change_table_size(&inflater, 4096);
CU_ASSERT((ssize_t)nghttp2_bufs_len(&bufs) ==
inflate_hd(&inflater, &out, &bufs, 0, mem));
nva_out_reset(&out, mem);
nghttp2_hd_inflate_free(&inflater);
/* This does not require for encodre to emit table size update since
new size is larger than current size. */
nghttp2_hd_inflate_init(&inflater, mem);
nghttp2_hd_inflate_change_table_size(&inflater, 4097);
CU_ASSERT((ssize_t)nghttp2_bufs_len(&bufs) ==
inflate_hd(&inflater, &out, &bufs, 0, mem));
nva_out_reset(&out, mem);
nghttp2_hd_inflate_free(&inflater);
/* Received table size is strictly larger than minimum table size */
nghttp2_hd_inflate_init(&inflater, mem);
nghttp2_hd_inflate_change_table_size(&inflater, 111);
nghttp2_hd_inflate_change_table_size(&inflater, 4096);
nghttp2_bufs_reset(&bufs);
nghttp2_hd_emit_table_size(&bufs, 112);
CU_ASSERT(NGHTTP2_ERR_HEADER_COMP ==
inflate_hd(&inflater, &out, &bufs, 0, mem));
nva_out_reset(&out, mem);
nghttp2_hd_inflate_free(&inflater);
/* Receiving 2 table size updates, min and last value */
nghttp2_hd_inflate_init(&inflater, mem);
nghttp2_hd_inflate_change_table_size(&inflater, 111);
nghttp2_hd_inflate_change_table_size(&inflater, 4096);
nghttp2_bufs_reset(&bufs);
nghttp2_hd_emit_table_size(&bufs, 111);
nghttp2_hd_emit_table_size(&bufs, 4096);
CU_ASSERT((ssize_t)nghttp2_bufs_len(&bufs) ==
inflate_hd(&inflater, &out, &bufs, 0, mem));
nva_out_reset(&out, mem);
nghttp2_hd_inflate_free(&inflater);
/* 2nd update is larger than last value */
nghttp2_hd_inflate_init(&inflater, mem);
nghttp2_hd_inflate_change_table_size(&inflater, 111);
nghttp2_hd_inflate_change_table_size(&inflater, 4095);
nghttp2_bufs_reset(&bufs);
nghttp2_hd_emit_table_size(&bufs, 111);
nghttp2_hd_emit_table_size(&bufs, 4096);
CU_ASSERT(NGHTTP2_ERR_HEADER_COMP ==
inflate_hd(&inflater, &out, &bufs, 0, mem));
nva_out_reset(&out, mem);
nghttp2_hd_inflate_free(&inflater);
nghttp2_bufs_free(&bufs);
}
void test_nghttp2_hd_inflate_unexpected_table_size_update(void) {
nghttp2_hd_inflater inflater;
nghttp2_bufs bufs;
nghttp2_mem *mem;
/* Indexed Header: :method: GET, followed by table size update.
This violates RFC 7541. */
uint8_t data[] = {0x82, 0x20};
nva_out out;
mem = nghttp2_mem_default();
frame_pack_bufs_init(&bufs);
nva_out_init(&out);
nghttp2_bufs_add(&bufs, data, sizeof(data));
nghttp2_hd_inflate_init(&inflater, mem);
CU_ASSERT(NGHTTP2_ERR_HEADER_COMP ==
inflate_hd(&inflater, &out, &bufs, 0, mem));
nva_out_reset(&out, mem);
nghttp2_bufs_free(&bufs);
nghttp2_hd_inflate_free(&inflater);
}
void test_nghttp2_hd_ringbuf_reserve(void) {
nghttp2_hd_deflater deflater;
nghttp2_hd_inflater inflater;
nghttp2_nv nv;
nghttp2_bufs bufs;
nva_out out;
int i;
ssize_t rv;
ssize_t blocklen;
nghttp2_mem *mem;
mem = nghttp2_mem_default();
frame_pack_bufs_init(&bufs);
nva_out_init(&out);
nv.flags = NGHTTP2_NV_FLAG_NONE;
nv.name = (uint8_t *)"a";
nv.namelen = strlen((const char *)nv.name);
nv.valuelen = 4;
nv.value = mem->malloc(nv.valuelen + 1, NULL);
memset(nv.value, 0, nv.valuelen);
nghttp2_hd_deflate_init2(&deflater, 8000, mem);
nghttp2_hd_inflate_init(&inflater, mem);
nghttp2_hd_inflate_change_table_size(&inflater, 8000);
nghttp2_hd_deflate_change_table_size(&deflater, 8000);
for (i = 0; i < 150; ++i) {
memcpy(nv.value, &i, sizeof(i));
rv = nghttp2_hd_deflate_hd_bufs(&deflater, &bufs, &nv, 1);
blocklen = (ssize_t)nghttp2_bufs_len(&bufs);
CU_ASSERT(0 == rv);
CU_ASSERT(blocklen > 0);
CU_ASSERT(blocklen == inflate_hd(&inflater, &out, &bufs, 0, mem));
CU_ASSERT(1 == out.nvlen);
assert_nv_equal(&nv, out.nva, 1, mem);
nva_out_reset(&out, mem);
nghttp2_bufs_reset(&bufs);
}
nghttp2_bufs_free(&bufs);
nghttp2_hd_inflate_free(&inflater);
nghttp2_hd_deflate_free(&deflater);
mem->free(nv.value, NULL);
}
void test_nghttp2_hd_change_table_size(void) {
nghttp2_hd_deflater deflater;
nghttp2_hd_inflater inflater;
nghttp2_nv nva[] = {MAKE_NV("alpha", "bravo"), MAKE_NV("charlie", "delta")};
nghttp2_nv nva2[] = {MAKE_NV(":path", "/")};
nghttp2_bufs bufs;
ssize_t rv;
nva_out out;
ssize_t blocklen;
nghttp2_mem *mem;
mem = nghttp2_mem_default();
frame_pack_bufs_init(&bufs);
nva_out_init(&out);
nghttp2_hd_deflate_init(&deflater, mem);
nghttp2_hd_inflate_init(&inflater, mem);
/* inflater changes notifies 8000 max header table size */
CU_ASSERT(0 == nghttp2_hd_inflate_change_table_size(&inflater, 8000));
CU_ASSERT(0 == nghttp2_hd_deflate_change_table_size(&deflater, 8000));
CU_ASSERT(4096 == deflater.ctx.hd_table_bufsize_max);
CU_ASSERT(8000 == inflater.ctx.hd_table_bufsize_max);
CU_ASSERT(8000 == inflater.settings_hd_table_bufsize_max);
/* This will emit encoding context update with header table size 4096 */
rv = nghttp2_hd_deflate_hd_bufs(&deflater, &bufs, nva, 2);
blocklen = (ssize_t)nghttp2_bufs_len(&bufs);
CU_ASSERT(0 == rv);
CU_ASSERT(blocklen > 0);
CU_ASSERT(2 == deflater.ctx.hd_table.len);
CU_ASSERT(63 == nghttp2_hd_deflate_get_num_table_entries(&deflater));
CU_ASSERT(4096 == deflater.ctx.hd_table_bufsize_max);
CU_ASSERT(blocklen == inflate_hd(&inflater, &out, &bufs, 0, mem));
CU_ASSERT(2 == inflater.ctx.hd_table.len);
CU_ASSERT(63 == nghttp2_hd_inflate_get_num_table_entries(&inflater));
CU_ASSERT(4096 == inflater.ctx.hd_table_bufsize_max);
CU_ASSERT(8000 == inflater.settings_hd_table_bufsize_max);
nva_out_reset(&out, mem);
nghttp2_bufs_reset(&bufs);
/* inflater changes header table size to 1024 */
CU_ASSERT(0 == nghttp2_hd_inflate_change_table_size(&inflater, 1024));
CU_ASSERT(0 == nghttp2_hd_deflate_change_table_size(&deflater, 1024));
CU_ASSERT(1024 == deflater.ctx.hd_table_bufsize_max);
CU_ASSERT(1024 == inflater.ctx.hd_table_bufsize_max);
CU_ASSERT(1024 == inflater.settings_hd_table_bufsize_max);
rv = nghttp2_hd_deflate_hd_bufs(&deflater, &bufs, nva, 2);
blocklen = (ssize_t)nghttp2_bufs_len(&bufs);
CU_ASSERT(0 == rv);
CU_ASSERT(blocklen > 0);
CU_ASSERT(2 == deflater.ctx.hd_table.len);
CU_ASSERT(63 == nghttp2_hd_deflate_get_num_table_entries(&deflater));
CU_ASSERT(1024 == deflater.ctx.hd_table_bufsize_max);
CU_ASSERT(blocklen == inflate_hd(&inflater, &out, &bufs, 0, mem));
CU_ASSERT(2 == inflater.ctx.hd_table.len);
CU_ASSERT(63 == nghttp2_hd_inflate_get_num_table_entries(&inflater));
CU_ASSERT(1024 == inflater.ctx.hd_table_bufsize_max);
CU_ASSERT(1024 == inflater.settings_hd_table_bufsize_max);
nva_out_reset(&out, mem);
nghttp2_bufs_reset(&bufs);
/* inflater changes header table size to 0 */
CU_ASSERT(0 == nghttp2_hd_inflate_change_table_size(&inflater, 0));
CU_ASSERT(0 == nghttp2_hd_deflate_change_table_size(&deflater, 0));
CU_ASSERT(0 == deflater.ctx.hd_table.len);
CU_ASSERT(61 == nghttp2_hd_deflate_get_num_table_entries(&deflater));
CU_ASSERT(0 == deflater.ctx.hd_table_bufsize_max);
CU_ASSERT(0 == inflater.ctx.hd_table.len);
CU_ASSERT(61 == nghttp2_hd_inflate_get_num_table_entries(&inflater));
CU_ASSERT(0 == inflater.ctx.hd_table_bufsize_max);
CU_ASSERT(0 == inflater.settings_hd_table_bufsize_max);
rv = nghttp2_hd_deflate_hd_bufs(&deflater, &bufs, nva, 2);
blocklen = (ssize_t)nghttp2_bufs_len(&bufs);
CU_ASSERT(0 == rv);
CU_ASSERT(blocklen > 0);
CU_ASSERT(0 == deflater.ctx.hd_table.len);
CU_ASSERT(61 == nghttp2_hd_deflate_get_num_table_entries(&deflater));
CU_ASSERT(0 == deflater.ctx.hd_table_bufsize_max);
CU_ASSERT(blocklen == inflate_hd(&inflater, &out, &bufs, 0, mem));
CU_ASSERT(0 == inflater.ctx.hd_table.len);
CU_ASSERT(61 == nghttp2_hd_inflate_get_num_table_entries(&inflater));
CU_ASSERT(0 == inflater.ctx.hd_table_bufsize_max);
CU_ASSERT(0 == inflater.settings_hd_table_bufsize_max);
nva_out_reset(&out, mem);
nghttp2_bufs_reset(&bufs);
nghttp2_bufs_free(&bufs);
nghttp2_hd_inflate_free(&inflater);
nghttp2_hd_deflate_free(&deflater);
/* Check table buffer is expanded */
frame_pack_bufs_init(&bufs);
nghttp2_hd_deflate_init2(&deflater, 8192, mem);
nghttp2_hd_inflate_init(&inflater, mem);
/* First inflater changes header table size to 8000 */
CU_ASSERT(0 == nghttp2_hd_inflate_change_table_size(&inflater, 8000));
CU_ASSERT(0 == nghttp2_hd_deflate_change_table_size(&deflater, 8000));
CU_ASSERT(8000 == deflater.ctx.hd_table_bufsize_max);
CU_ASSERT(8000 == nghttp2_hd_deflate_get_max_dynamic_table_size(&deflater));
CU_ASSERT(8000 == inflater.ctx.hd_table_bufsize_max);
CU_ASSERT(8000 == nghttp2_hd_inflate_get_max_dynamic_table_size(&inflater));
CU_ASSERT(8000 == inflater.settings_hd_table_bufsize_max);
rv = nghttp2_hd_deflate_hd_bufs(&deflater, &bufs, nva, 2);
blocklen = (ssize_t)nghttp2_bufs_len(&bufs);
CU_ASSERT(0 == rv);
CU_ASSERT(blocklen > 0);
CU_ASSERT(2 == deflater.ctx.hd_table.len);
CU_ASSERT(8000 == deflater.ctx.hd_table_bufsize_max);
CU_ASSERT(blocklen == inflate_hd(&inflater, &out, &bufs, 0, mem));
CU_ASSERT(2 == inflater.ctx.hd_table.len);
CU_ASSERT(8000 == inflater.ctx.hd_table_bufsize_max);
CU_ASSERT(8000 == inflater.settings_hd_table_bufsize_max);
nva_out_reset(&out, mem);
nghttp2_bufs_reset(&bufs);
CU_ASSERT(0 == nghttp2_hd_inflate_change_table_size(&inflater, 16383));
CU_ASSERT(0 == nghttp2_hd_deflate_change_table_size(&deflater, 16383));
CU_ASSERT(8192 == deflater.ctx.hd_table_bufsize_max);
CU_ASSERT(8192 == nghttp2_hd_deflate_get_max_dynamic_table_size(&deflater));
CU_ASSERT(16383 == inflater.ctx.hd_table_bufsize_max);
CU_ASSERT(16383 == nghttp2_hd_inflate_get_max_dynamic_table_size(&inflater));
CU_ASSERT(16383 == inflater.settings_hd_table_bufsize_max);
rv = nghttp2_hd_deflate_hd_bufs(&deflater, &bufs, nva, 2);
blocklen = (ssize_t)nghttp2_bufs_len(&bufs);
CU_ASSERT(0 == rv);
CU_ASSERT(blocklen > 0);
CU_ASSERT(2 == deflater.ctx.hd_table.len);
CU_ASSERT(8192 == deflater.ctx.hd_table_bufsize_max);
CU_ASSERT(blocklen == inflate_hd(&inflater, &out, &bufs, 0, mem));
CU_ASSERT(2 == inflater.ctx.hd_table.len);
CU_ASSERT(8192 == inflater.ctx.hd_table_bufsize_max);
CU_ASSERT(16383 == inflater.settings_hd_table_bufsize_max);
nva_out_reset(&out, mem);
nghttp2_bufs_reset(&bufs);
/* Lastly, check the error condition */
rv = nghttp2_hd_emit_table_size(&bufs, 25600);
CU_ASSERT(rv == 0);
CU_ASSERT(NGHTTP2_ERR_HEADER_COMP ==
inflate_hd(&inflater, &out, &bufs, 0, mem));
nva_out_reset(&out, mem);
nghttp2_bufs_reset(&bufs);
nghttp2_hd_inflate_free(&inflater);
nghttp2_hd_deflate_free(&deflater);
/* Check that encoder can handle the case where its allowable buffer
size is less than default size, 4096 */
nghttp2_hd_deflate_init2(&deflater, 1024, mem);
nghttp2_hd_inflate_init(&inflater, mem);
CU_ASSERT(1024 == deflater.ctx.hd_table_bufsize_max);
/* This emits context update with buffer size 1024 */
rv = nghttp2_hd_deflate_hd_bufs(&deflater, &bufs, nva, 2);
blocklen = (ssize_t)nghttp2_bufs_len(&bufs);
CU_ASSERT(0 == rv);
CU_ASSERT(blocklen > 0);
CU_ASSERT(2 == deflater.ctx.hd_table.len);
CU_ASSERT(1024 == deflater.ctx.hd_table_bufsize_max);
CU_ASSERT(blocklen == inflate_hd(&inflater, &out, &bufs, 0, mem));
CU_ASSERT(2 == inflater.ctx.hd_table.len);
CU_ASSERT(1024 == inflater.ctx.hd_table_bufsize_max);
CU_ASSERT(4096 == inflater.settings_hd_table_bufsize_max);
nva_out_reset(&out, mem);
nghttp2_bufs_reset(&bufs);
nghttp2_hd_inflate_free(&inflater);
nghttp2_hd_deflate_free(&deflater);
/* Check that table size UINT32_MAX can be received */
nghttp2_hd_deflate_init2(&deflater, UINT32_MAX, mem);
nghttp2_hd_inflate_init(&inflater, mem);
CU_ASSERT(0 == nghttp2_hd_inflate_change_table_size(&inflater, UINT32_MAX));
CU_ASSERT(0 == nghttp2_hd_deflate_change_table_size(&deflater, UINT32_MAX));
rv = nghttp2_hd_deflate_hd_bufs(&deflater, &bufs, nva, 2);
blocklen = (ssize_t)nghttp2_bufs_len(&bufs);
CU_ASSERT(0 == rv);
CU_ASSERT(UINT32_MAX == deflater.ctx.hd_table_bufsize_max);
CU_ASSERT(blocklen == inflate_hd(&inflater, &out, &bufs, 0, mem));
CU_ASSERT(UINT32_MAX == inflater.ctx.hd_table_bufsize_max);
CU_ASSERT(UINT32_MAX == inflater.settings_hd_table_bufsize_max);
nva_out_reset(&out, mem);
nghttp2_bufs_reset(&bufs);
nghttp2_hd_inflate_free(&inflater);
nghttp2_hd_deflate_free(&deflater);
/* Check that context update emitted twice */
nghttp2_hd_deflate_init2(&deflater, 4096, mem);
nghttp2_hd_inflate_init(&inflater, mem);
CU_ASSERT(0 == nghttp2_hd_inflate_change_table_size(&inflater, 0));
CU_ASSERT(0 == nghttp2_hd_inflate_change_table_size(&inflater, 3000));
CU_ASSERT(0 == nghttp2_hd_deflate_change_table_size(&deflater, 0));
CU_ASSERT(0 == nghttp2_hd_deflate_change_table_size(&deflater, 3000));
CU_ASSERT(0 == deflater.min_hd_table_bufsize_max);
CU_ASSERT(3000 == deflater.ctx.hd_table_bufsize_max);
rv = nghttp2_hd_deflate_hd_bufs(&deflater, &bufs, nva2, 1);
blocklen = (ssize_t)nghttp2_bufs_len(&bufs);
CU_ASSERT(0 == rv);
CU_ASSERT(3 < blocklen);
CU_ASSERT(3000 == deflater.ctx.hd_table_bufsize_max);
CU_ASSERT(UINT32_MAX == deflater.min_hd_table_bufsize_max);
CU_ASSERT(blocklen == inflate_hd(&inflater, &out, &bufs, 0, mem));
CU_ASSERT(3000 == inflater.ctx.hd_table_bufsize_max);
CU_ASSERT(3000 == inflater.settings_hd_table_bufsize_max);
nva_out_reset(&out, mem);
nghttp2_bufs_reset(&bufs);
nghttp2_hd_inflate_free(&inflater);
nghttp2_hd_deflate_free(&deflater);
nghttp2_bufs_free(&bufs);
}
static void check_deflate_inflate(nghttp2_hd_deflater *deflater,
nghttp2_hd_inflater *inflater,
nghttp2_nv *nva, size_t nvlen,
nghttp2_mem *mem) {
nghttp2_bufs bufs;
ssize_t blocklen;
nva_out out;
int rv;
frame_pack_bufs_init(&bufs);
nva_out_init(&out);
rv = nghttp2_hd_deflate_hd_bufs(deflater, &bufs, nva, nvlen);
blocklen = (ssize_t)nghttp2_bufs_len(&bufs);
CU_ASSERT(0 == rv);
CU_ASSERT(blocklen >= 0);
CU_ASSERT(blocklen == inflate_hd(inflater, &out, &bufs, 0, mem));
CU_ASSERT(nvlen == out.nvlen);
assert_nv_equal(nva, out.nva, nvlen, mem);
nva_out_reset(&out, mem);
nghttp2_bufs_free(&bufs);
}