blob: 87e354a9f79df9a269cd89384eb26018dcb526c8 [file] [log] [blame]
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <cstdarg>
#include <cstddef>
#include <cstdint>
#include <utility>
#include <vector>
#include "absl/strings/string_view.h"
#include "third_party/boringssl/src/include/openssl/evp.h"
#include "quic/core/crypto/crypto_framer.h"
#include "quic/core/quic_framer.h"
#include "quic/core/quic_packets.h"
#include "quic/test_tools/quic_test_utils.h"
namespace quic {
class CommonCertSets;
class ProofSource;
class ProofVerifier;
class ProofVerifyContext;
class QuicClock;
class QuicConfig;
class QuicCryptoClientStream;
class QuicCryptoServerConfig;
class QuicCryptoServerStreamBase;
class QuicCryptoStream;
class QuicRandom;
class QuicServerId;
namespace test {
class PacketSavingConnection;
namespace crypto_test_utils {
// An interface for a source of callbacks. This is used for invoking
// callbacks asynchronously.
// Call the RunPendingCallbacks method regularly to run the callbacks from
// this source.
class CallbackSource {
virtual ~CallbackSource() {}
// Runs pending callbacks from this source. If there is no pending
// callback, does nothing.
virtual void RunPendingCallbacks() = 0;
// FakeClientOptions bundles together a number of options for configuring
// HandshakeWithFakeClient.
struct FakeClientOptions {
// If only_tls_versions is set, then the client will only use TLS for the
// crypto handshake.
bool only_tls_versions = false;
// If only_quic_crypto_versions is set, then the client will only use
// PROTOCOL_QUIC_CRYPTO for the crypto handshake.
bool only_quic_crypto_versions = false;
// Returns a QuicCryptoServerConfig that is in a reasonable configuration to
// pass into HandshakeWithFakeServer.
std::unique_ptr<QuicCryptoServerConfig> CryptoServerConfigForTesting();
// returns: the number of client hellos that the client sent.
int HandshakeWithFakeServer(QuicConfig* server_quic_config,
QuicCryptoServerConfig* crypto_config,
MockQuicConnectionHelper* helper,
MockAlarmFactory* alarm_factory,
PacketSavingConnection* client_conn,
QuicCryptoClientStreamBase* client,
std::string alpn);
// returns: the number of client hellos that the client sent.
int HandshakeWithFakeClient(MockQuicConnectionHelper* helper,
MockAlarmFactory* alarm_factory,
PacketSavingConnection* server_conn,
QuicCryptoServerStreamBase* server,
const QuicServerId& server_id,
const FakeClientOptions& options,
std::string alpn);
// SetupCryptoServerConfigForTest configures |crypto_config|
// with sensible defaults for testing.
void SetupCryptoServerConfigForTest(const QuicClock* clock,
QuicRandom* rand,
QuicCryptoServerConfig* crypto_config);
// Sends the handshake message |message| to stream |stream| with the perspective
// that the message is coming from |perspective|.
void SendHandshakeMessageToStream(QuicCryptoStream* stream,
const CryptoHandshakeMessage& message,
Perspective perspective);
// CommunicateHandshakeMessages moves messages from |client| to |server| and
// back until |clients|'s handshake has completed.
void CommunicateHandshakeMessages(PacketSavingConnection* client_conn,
QuicCryptoStream* client,
PacketSavingConnection* server_conn,
QuicCryptoStream* server);
// AdvanceHandshake attempts to moves messages from |client| to |server| and
// |server| to |client|. Returns the number of messages moved.
std::pair<size_t, size_t> AdvanceHandshake(PacketSavingConnection* client_conn,
QuicCryptoStream* client,
size_t client_i,
PacketSavingConnection* server_conn,
QuicCryptoStream* server,
size_t server_i);
// Returns the value for the tag |tag| in the tag value map of |message|.
std::string GetValueForTag(const CryptoHandshakeMessage& message, QuicTag tag);
// Returns a new |ProofSource| that serves up test certificates.
std::unique_ptr<ProofSource> ProofSourceForTesting();
// Returns a new |ProofVerifier| that uses the QUIC testing root CA.
std::unique_ptr<ProofVerifier> ProofVerifierForTesting();
// Returns a hash of the leaf test certificate.
uint64_t LeafCertHashForTesting();
// Returns a |ProofVerifyContext| that must be used with the verifier
// returned by |ProofVerifierForTesting|.
std::unique_ptr<ProofVerifyContext> ProofVerifyContextForTesting();
// MockCommonCertSets returns a CommonCertSets that contains a single set with
// hash |hash|, consisting of the certificate |cert| at index |index|.
CommonCertSets* MockCommonCertSets(absl::string_view cert,
uint64_t hash,
uint32_t index);
// Creates a minimal dummy reject message that will pass the client-config
// validation tests. This will include a server config, but no certs, proof
// source address token, or server nonce.
void FillInDummyReject(CryptoHandshakeMessage* rej);
// ParseTag returns a QuicTag from parsing |tagstr|. |tagstr| may either be
// in the format "EXMP" (i.e. ASCII format), or "#11223344" (an explicit hex
// format). It QUICHE_CHECK fails if there's a parse error.
QuicTag ParseTag(const char* tagstr);
// Message constructs a CHLO message from a provided vector of tag/value pairs.
// The first of each pair is the tag of a tag/value and is given as an argument
// to |ParseTag|. The second is the value of the tag/value pair and is either a
// hex dump, preceeded by a '#', or a raw value. If minimum_size_bytes is
// provided then the message will be padded to this minimum size.
// CreateCHLO(
// {{"NOCE", "#11223344"},
// {"SNI", ""}},
// optional_minimum_size_bytes);
CryptoHandshakeMessage CreateCHLO(
std::vector<std::pair<std::string, std::string>> tags_and_values);
CryptoHandshakeMessage CreateCHLO(
std::vector<std::pair<std::string, std::string>> tags_and_values,
int minimum_size_bytes);
// MovePackets parses crypto handshake messages from packet number
// |*inout_packet_index| through to the last packet (or until a packet fails
// to decrypt) and has |dest_stream| process them. |*inout_packet_index| is
// updated with an index one greater than the last packet processed.
void MovePackets(PacketSavingConnection* source_conn,
size_t* inout_packet_index,
QuicCryptoStream* dest_stream,
PacketSavingConnection* dest_conn,
Perspective dest_perspective);
// Return an inchoate CHLO with some basic tag value pairs.
CryptoHandshakeMessage GenerateDefaultInchoateCHLO(
const QuicClock* clock,
QuicTransportVersion version,
QuicCryptoServerConfig* crypto_config);
// Takes a inchoate CHLO, returns a full CHLO in |out| which can pass
// |crypto_config|'s validation.
void GenerateFullCHLO(
const CryptoHandshakeMessage& inchoate_chlo,
QuicCryptoServerConfig* crypto_config,
QuicSocketAddress server_addr,
QuicSocketAddress client_addr,
QuicTransportVersion transport_version,
const QuicClock* clock,
QuicReferenceCountedPointer<QuicSignedServerConfig> signed_config,
QuicCompressedCertsCache* compressed_certs_cache,
CryptoHandshakeMessage* out);
void CompareClientAndServerKeys(QuicCryptoClientStreamBase* client,
QuicCryptoServerStreamBase* server);
// Return a CHLO nonce in hexadecimal.
std::string GenerateClientNonceHex(const QuicClock* clock,
QuicCryptoServerConfig* crypto_config);
// Return a CHLO PUBS in hexadecimal.
std::string GenerateClientPublicValuesHex();
} // namespace crypto_test_utils
} // namespace test
} // namespace quic