ssize_t nghttp2_pack_settings_payload(uint8_t *buf, size_t buflen,
const nghttp2_settings_entry *iv,
size_t niv) {
if (!nghttp2_iv_check(iv, niv)) {
return NGHTTP2_ERR_INVALID_ARGUMENT;
}
if (buflen < (niv * NGHTTP2_FRAME_SETTINGS_ENTRY_LENGTH)) {
return NGHTTP2_ERR_INSUFF_BUFSIZE;
}
return (ssize_t)nghttp2_frame_pack_settings_payload(buf, iv, niv);
}
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 is allowed */
iv[1].settings_id = 1000000009;
iv[1].value = 0;
CU_ASSERT(nghttp2_iv_check(iv, 2));
/* Too large SETTINGS_HEADER_TABLE_SIZE */
iv[1].settings_id = NGHTTP2_SETTINGS_HEADER_TABLE_SIZE;
iv[1].value = UINT32_MAX;
CU_ASSERT(!nghttp2_iv_check(iv, 2));
/* Too small SETTINGS_MAX_FRAME_SIZE */
iv[0].settings_id = NGHTTP2_SETTINGS_MAX_FRAME_SIZE;
iv[0].value = NGHTTP2_MAX_FRAME_SIZE_MIN - 1;
CU_ASSERT(!nghttp2_iv_check(iv, 1));
/* Too large SETTINGS_MAX_FRAME_SIZE */
iv[0].settings_id = NGHTTP2_SETTINGS_MAX_FRAME_SIZE;
iv[0].value = NGHTTP2_MAX_FRAME_SIZE_MAX + 1;
CU_ASSERT(!nghttp2_iv_check(iv, 1));
/* Max and min SETTINGS_MAX_FRAME_SIZE */
iv[0].settings_id = NGHTTP2_SETTINGS_MAX_FRAME_SIZE;
iv[0].value = NGHTTP2_MAX_FRAME_SIZE_MIN;
iv[1].settings_id = NGHTTP2_SETTINGS_MAX_FRAME_SIZE;
iv[1].value = NGHTTP2_MAX_FRAME_SIZE_MAX;
CU_ASSERT(nghttp2_iv_check(iv, 2));
}
