139 lines
5.3 KiB
C++
139 lines
5.3 KiB
C++
/*
|
|
* nghttp2 - HTTP/2 C Library
|
|
*
|
|
* Copyright (c) 2021 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.
|
|
*/
|
|
#ifndef SHRPX_QUIC_H
|
|
#define SHRPX_QUIC_H
|
|
|
|
#include "shrpx.h"
|
|
|
|
#include <stdint.h>
|
|
|
|
#include <functional>
|
|
|
|
#include <ngtcp2/ngtcp2.h>
|
|
|
|
#include "network.h"
|
|
|
|
using namespace nghttp2;
|
|
|
|
namespace std {
|
|
template <> struct hash<ngtcp2_cid> {
|
|
std::size_t operator()(const ngtcp2_cid &cid) const noexcept {
|
|
// FNV-1a 64bits variant
|
|
constexpr uint64_t basis = 0xCBF29CE484222325ULL;
|
|
const uint8_t *p = cid.data, *end = cid.data + cid.datalen;
|
|
uint64_t h = basis;
|
|
|
|
for (; p != end;) {
|
|
h ^= *p++;
|
|
h *= basis;
|
|
}
|
|
|
|
return static_cast<size_t>(h);
|
|
}
|
|
};
|
|
} // namespace std
|
|
|
|
bool operator==(const ngtcp2_cid &lhs, const ngtcp2_cid &rhs);
|
|
|
|
namespace shrpx {
|
|
|
|
struct UpstreamAddr;
|
|
struct QUICKeyingMaterials;
|
|
struct QUICKeyingMaterial;
|
|
|
|
constexpr size_t SHRPX_QUIC_SCIDLEN = 20;
|
|
constexpr size_t SHRPX_QUIC_SERVER_IDLEN = 4;
|
|
// SHRPX_QUIC_CID_PREFIXLEN includes SHRPX_QUIC_SERVER_IDLEN.
|
|
constexpr size_t SHRPX_QUIC_CID_PREFIXLEN = 8;
|
|
constexpr size_t SHRPX_QUIC_CID_PREFIX_OFFSET = 1;
|
|
constexpr size_t SHRPX_QUIC_DECRYPTED_DCIDLEN = 16;
|
|
constexpr size_t SHRPX_QUIC_CID_ENCRYPTION_KEYLEN = 16;
|
|
constexpr size_t SHRPX_QUIC_MAX_UDP_PAYLOAD_SIZE = 1472;
|
|
constexpr size_t SHRPX_QUIC_CONN_CLOSE_PKTLEN = 256;
|
|
constexpr size_t SHRPX_QUIC_STATELESS_RESET_BURST = 100;
|
|
constexpr size_t SHRPX_QUIC_SECRET_RESERVEDLEN = 4;
|
|
constexpr size_t SHRPX_QUIC_SECRETLEN = 32;
|
|
constexpr size_t SHRPX_QUIC_SALTLEN = 32;
|
|
constexpr uint8_t SHRPX_QUIC_DCID_KM_ID_MASK = 0xc0;
|
|
|
|
ngtcp2_tstamp quic_timestamp();
|
|
|
|
int quic_send_packet(const UpstreamAddr *faddr, const sockaddr *remote_sa,
|
|
size_t remote_salen, const sockaddr *local_sa,
|
|
size_t local_salen, const ngtcp2_pkt_info &pi,
|
|
const uint8_t *data, size_t datalen, size_t gso_size);
|
|
|
|
int generate_quic_retry_connection_id(ngtcp2_cid &cid, size_t cidlen,
|
|
const uint8_t *server_id, uint8_t km_id,
|
|
const uint8_t *key);
|
|
|
|
int generate_quic_connection_id(ngtcp2_cid &cid, size_t cidlen,
|
|
const uint8_t *cid_prefix, uint8_t km_id,
|
|
const uint8_t *key);
|
|
|
|
int encrypt_quic_connection_id(uint8_t *dest, const uint8_t *src,
|
|
const uint8_t *key);
|
|
|
|
int decrypt_quic_connection_id(uint8_t *dest, const uint8_t *src,
|
|
const uint8_t *key);
|
|
|
|
int generate_quic_hashed_connection_id(ngtcp2_cid &dest,
|
|
const Address &remote_addr,
|
|
const Address &local_addr,
|
|
const ngtcp2_cid &cid);
|
|
|
|
int generate_quic_stateless_reset_token(uint8_t *token, const ngtcp2_cid &cid,
|
|
const uint8_t *secret,
|
|
size_t secretlen);
|
|
|
|
int generate_retry_token(uint8_t *token, size_t &tokenlen, uint32_t version,
|
|
const sockaddr *sa, socklen_t salen,
|
|
const ngtcp2_cid &retry_scid, const ngtcp2_cid &odcid,
|
|
const uint8_t *secret, size_t secretlen);
|
|
|
|
int verify_retry_token(ngtcp2_cid &odcid, const uint8_t *token, size_t tokenlen,
|
|
uint32_t version, const ngtcp2_cid &dcid,
|
|
const sockaddr *sa, socklen_t salen,
|
|
const uint8_t *secret, size_t secretlen);
|
|
|
|
int generate_token(uint8_t *token, size_t &tokenlen, const sockaddr *sa,
|
|
size_t salen, const uint8_t *secret, size_t secretlen);
|
|
|
|
int verify_token(const uint8_t *token, size_t tokenlen, const sockaddr *sa,
|
|
socklen_t salen, const uint8_t *secret, size_t secretlen);
|
|
|
|
int generate_quic_connection_id_encryption_key(uint8_t *key, size_t keylen,
|
|
const uint8_t *secret,
|
|
size_t secretlen,
|
|
const uint8_t *salt,
|
|
size_t saltlen);
|
|
|
|
const QUICKeyingMaterial *
|
|
select_quic_keying_material(const QUICKeyingMaterials &qkms, uint8_t km_id);
|
|
|
|
} // namespace shrpx
|
|
|
|
#endif // SHRPX_QUIC_H
|