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// Copyright 2013 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 <stdint.h>
#include <memory>
#include <string>
#include <utility>
#include <vector>
#include "base/compiler_specific.h"
#include "base/files/file_path.h"
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "net/base/host_port_pair.h"
#include "net/ssl/ssl_client_cert_type.h"
class GURL;
namespace base {
class DictionaryValue;
namespace net {
class AddressList;
class ScopedPortException;
class X509Certificate;
// The base class of Test server implementation.
class BaseTestServer {
typedef std::pair<std::string, std::string> StringPair;
// Following types represent protocol schemes. See also
enum Type {
// Container for various options to control how the HTTPS or WSS server is
// initialized.
struct SSLOptions {
enum ServerCertificate {
// CERT_AUTO causes the testserver to generate a test certificate issued
// by "Testing CA" (see net/data/ssl/certificates/ocsp-test-root.pem).
// Cross-signed certificate to test PKIX path building. Contains an
// intermediate cross-signed by an unknown root, while the client (via
// TestRootStore) is expected to have a self-signed version of the
// intermediate.
// Causes the testserver to use a hostname that is a domain
// instead of an IP.
// A certificate with invalid notBefore and notAfter times. Windows'
// certificate library will not parse this certificate.
// OCSPStatus enumerates the types of OCSP response that the testserver
// can produce.
enum OCSPStatus {
// OCSPDate enumerates the date ranges for OCSP responses that the
// testserver can produce.
enum OCSPDate {
// OCSPSingleResponse is used when specifying multiple stapled responses,
// each
// with their own CertStatus and date validity.
struct OCSPSingleResponse {
OCSPStatus status;
OCSPDate date;
// OCSPProduced enumerates the validity of the producedAt field in OCSP
// responses produced by the testserver.
enum OCSPProduced {
// Bitmask of key exchange algorithms that the test server supports and that
// can be selectively enabled or disabled.
enum KeyExchange {
// Special value used to indicate that any algorithm the server supports
// is acceptable. Preferred over explicitly OR-ing all key exchange
// algorithms.
KEY_EXCHANGE_RSA = (1 << 0),
// Bitmask of bulk encryption algorithms that the test server supports
// and that can be selectively enabled or disabled.
enum BulkCipher {
// Special value used to indicate that any algorithm the server supports
// is acceptable. Preferred over explicitly OR-ing all ciphers.
BULK_CIPHER_RC4 = (1 << 0),
BULK_CIPHER_AES128 = (1 << 1),
BULK_CIPHER_AES256 = (1 << 2),
// NOTE: 3DES support in the Python test server has external
// dependencies and not be available on all machines. Clients may not
// be able to connect if only 3DES is specified.
BULK_CIPHER_3DES = (1 << 3),
BULK_CIPHER_AES128GCM = (1 << 4),
// NOTE: the values of these enumerators are passed to the the Python test
// server. Do not change them.
enum TLSIntolerantLevel {
TLS_INTOLERANT_ALL = 1, // Intolerant of all TLS versions.
TLS_INTOLERANT_TLS1_1 = 2, // Intolerant of TLS 1.1 or higher.
TLS_INTOLERANT_TLS1_2 = 3, // Intolerant of TLS 1.2 or higher.
// Values which control how the server reacts in response to a ClientHello
// it is intolerant of.
enum TLSIntoleranceType {
TLS_INTOLERANCE_ALERT = 0, // Send a handshake_failure alert.
TLS_INTOLERANCE_CLOSE = 1, // Close the connection.
TLS_INTOLERANCE_RESET = 2, // Send a TCP reset.
// Initialize a new SSLOptions using CERT_OK as the certificate.
// Initialize a new SSLOptions that will use the specified certificate.
explicit SSLOptions(ServerCertificate cert);
SSLOptions(const SSLOptions& other);
// Returns the relative filename of the file that contains the
// |server_certificate|.
base::FilePath GetCertificateFile() const;
// GetOCSPArgument returns the value of any OCSP argument to testserver or
// the empty string if there is none.
std::string GetOCSPArgument() const;
// GetOCSPDateArgument returns the value of the OCSP date argument to
// testserver or the empty string if there is none.
std::string GetOCSPDateArgument() const;
// GetOCSPProducedArgument returns the value of the OCSP produced argument
// to testserver or the empty string if there is none.
std::string GetOCSPProducedArgument() const;
// The certificate to use when serving requests.
ServerCertificate server_certificate;
// If |server_certificate==CERT_AUTO| then this determines the type of OCSP
// response returned. Ignored if |ocsp_responses| is non-empty.
OCSPStatus ocsp_status;
// If |server_certificate==CERT_AUTO| then this determines the date range
// set on the OCSP response returned. Ignore if |ocsp_responses| is
// non-empty.
OCSPDate ocsp_date;
// If |server_certificate==CERT_AUTO|, contains the status and validity for
// multiple stapled responeses. Overrides |ocsp_status| and |ocsp_date| when
// non-empty.
std::vector<OCSPSingleResponse> ocsp_responses;
// If |server_certificate==CERT_AUTO| then this determines the validity of
// the producedAt field on the returned OCSP response.
OCSPProduced ocsp_produced;
// If not zero, |cert_serial| will be the serial number of the
// auto-generated leaf certificate when |server_certificate==CERT_AUTO|.
uint64_t cert_serial;
// True if a CertificateRequest should be sent to the client during
// handshaking.
bool request_client_certificate;
// If |request_client_certificate| is true, an optional list of files,
// each containing a single, PEM-encoded X.509 certificates. The subject
// from each certificate will be added to the certificate_authorities
// field of the CertificateRequest.
std::vector<base::FilePath> client_authorities;
// If |request_client_certificate| is true, an optional list of
// SSLClientCertType values to populate the certificate_types field of the
// CertificateRequest.
std::vector<SSLClientCertType> client_cert_types;
// A bitwise-OR of KeyExchnage that should be used by the
// HTTPS server, or KEY_EXCHANGE_ANY to indicate that all implemented
// key exchange algorithms are acceptable.
int key_exchanges;
// A bitwise-OR of BulkCipher that should be used by the
// HTTPS server, or BULK_CIPHER_ANY to indicate that all implemented
// ciphers are acceptable.
int bulk_ciphers;
// If true, pass the --https-record-resume argument to which
// causes it to log session cache actions and echo the log on
// /ssl-session-cache.
bool record_resume;
// If not TLS_INTOLERANT_NONE, the server will abort any handshake that
// negotiates an intolerant TLS version in order to test version fallback.
TLSIntolerantLevel tls_intolerant;
// If |tls_intolerant| is not TLS_INTOLERANT_NONE, how the server reacts to
// an intolerant TLS version.
TLSIntoleranceType tls_intolerance_type;
// fallback_scsv_enabled, if true, causes the server to process the
// TLS_FALLBACK_SCSV cipher suite. This cipher suite is sent by Chrome
// when performing TLS version fallback in response to an SSL handshake
// failure. If this option is enabled then the server will reject fallback
// connections.
bool fallback_scsv_enabled;
// Temporary glue for testing: validation of SCTs is application-controlled
// and can be appropriately mocked out, so sending fake data here does not
// affect handshaking behaviour.
// TODO(ekasper): replace with valid SCT files for test certs.
// (Fake) SignedCertificateTimestampList (as a raw binary string) to send in
// a TLS extension.
std::string signed_cert_timestamps_tls_ext;
// Whether to staple the OCSP response.
bool staple_ocsp_response;
// Whether to make the OCSP server unavailable. This does not affect the
// stapled OCSP response.
bool ocsp_server_unavailable;
// List of protocols to advertise in NPN extension. NPN is not supported if
// list is empty. Note that regardless of what protocol is negotiated, the
// test server will continue to speak HTTP/1.1.
std::vector<std::string> npn_protocols;
// List of supported ALPN protocols.
std::vector<std::string> alpn_protocols;
// Whether to send a fatal alert immediately after completing the handshake.
bool alert_after_handshake;
// If true, disables channel ID on the server.
bool disable_channel_id;
// If true, disables extended master secret tls extension.
bool disable_extended_master_secret;
// List of token binding params that the server supports and will negotiate.
std::vector<int> supported_token_binding_params;
// Pass as the 'host' parameter during construction to server on
static const char kLocalhost[];
// Initialize a TestServer listening on a specific host (IP or hostname).
BaseTestServer(Type type, const std::string& host);
// Initialize a TestServer with a specific set of SSLOptions for HTTPS or WSS.
BaseTestServer(Type type, const SSLOptions& ssl_options);
// Returns the host port pair used by current Python based test server only
// if the server is started.
const HostPortPair& host_port_pair() const;
const base::FilePath& document_root() const { return document_root_; }
const base::DictionaryValue& server_data() const;
std::string GetScheme() const;
bool GetAddressList(AddressList* address_list) const WARN_UNUSED_RESULT;
GURL GetURL(const std::string& path) const;
GURL GetURLWithUser(const std::string& path,
const std::string& user) const;
GURL GetURLWithUserAndPassword(const std::string& path,
const std::string& user,
const std::string& password) const;
static bool GetFilePathWithReplacements(
const std::string& original_path,
const std::vector<StringPair>& text_to_replace,
std::string* replacement_path);
static bool UsingSSL(Type type) {
return type == BaseTestServer::TYPE_HTTPS ||
type == BaseTestServer::TYPE_WSS;
// Enable HTTP basic authentication. Currently this only works for TYPE_WS and
void set_websocket_basic_auth(bool ws_basic_auth) {
ws_basic_auth_ = ws_basic_auth;
// Disable creation of anonymous FTP user.
void set_no_anonymous_ftp_user(bool no_anonymous_ftp_user) {
no_anonymous_ftp_user_ = no_anonymous_ftp_user;
// Marks the root certificate of an HTTPS test server as trusted for
// the duration of tests.
bool LoadTestRootCert() const WARN_UNUSED_RESULT;
// Returns the certificate that the server is using.
scoped_refptr<X509Certificate> GetCertificate() const;
virtual ~BaseTestServer();
Type type() const { return type_; }
// Gets port currently assigned to host_port_pair_ without checking
// whether it's available (server started) or not.
uint16_t GetPort();
// Sets |port| as the actual port used by Python based test server.
void SetPort(uint16_t port);
// Set up internal status when the server is started.
bool SetupWhenServerStarted() WARN_UNUSED_RESULT;
// Clean up internal status when starting to stop server.
void CleanUpWhenStoppingServer();
// Set path of test resources.
void SetResourcePath(const base::FilePath& document_root,
const base::FilePath& certificates_dir);
// Parses the server data read from the test server. Returns true
// on success.
bool ParseServerData(const std::string& server_data) WARN_UNUSED_RESULT;
// Generates a DictionaryValue with the arguments for launching the external
// Python test server.
bool GenerateArguments(base::DictionaryValue* arguments) const
// Subclasses can override this to add arguments that are specific to their
// own test servers.
virtual bool GenerateAdditionalArguments(
base::DictionaryValue* arguments) const WARN_UNUSED_RESULT;
void Init(const std::string& host);
// Document root of the test server.
base::FilePath document_root_;
// Directory that contains the SSL certificates.
base::FilePath certificates_dir_;
// Address the test server listens on.
HostPortPair host_port_pair_;
// Holds the data sent from the server (e.g., port number).
std::unique_ptr<base::DictionaryValue> server_data_;
// If |type_| is TYPE_HTTPS or TYPE_WSS, the TLS settings to use for the test
// server.
SSLOptions ssl_options_;
Type type_;
// Has the server been started?
bool started_;
// Enables logging of the server to the console.
bool log_to_console_;
// Is WebSocket basic HTTP authentication enabled?
bool ws_basic_auth_;
// Disable creation of anonymous FTP user?
bool no_anonymous_ftp_user_;
std::unique_ptr<ScopedPortException> allowed_port_;
} // namespace net