webrtc/p2p/base/p2p_constants.h
Qingsi Wang fdf54f2256 Stop pairing local relay candidates with remote mDNS candidates.
To avoid IP leak from the CreatePermission request, local relay
candidates must not be paired with remote mDNS candidates, per Section
3.3.2 in draft-ietf-rtcweb-mdns-ice-candidates-04.

Bug: webrtc:11038
Change-Id: I13aada79c812712b850293c7e17094dc8f77105a
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/157340
Commit-Queue: Qingsi Wang <qingsi@webrtc.org>
Reviewed-by: Honghai Zhang <honghaiz@webrtc.org>
Reviewed-by: Alex Drake <alexdrake@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#29546}
2019-10-18 23:36:17 +00:00

114 lines
4.5 KiB
C++

/*
* Copyright 2004 The WebRTC Project Authors. All rights reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef P2P_BASE_P2P_CONSTANTS_H_
#define P2P_BASE_P2P_CONSTANTS_H_
#include <stddef.h>
#include <stdint.h>
#include "rtc_base/system/rtc_export.h"
namespace cricket {
// CN_ == "content name". When we initiate a session, we choose the
// name, and when we receive a Gingle session, we provide default
// names (since Gingle has no content names). But when we receive a
// Jingle call, the content name can be anything, so don't rely on
// these values being the same as the ones received.
extern const char CN_AUDIO[];
extern const char CN_VIDEO[];
extern const char CN_DATA[];
extern const char CN_OTHER[];
// GN stands for group name
extern const char GROUP_TYPE_BUNDLE[];
RTC_EXPORT extern const int ICE_UFRAG_LENGTH;
RTC_EXPORT extern const int ICE_PWD_LENGTH;
extern const size_t ICE_UFRAG_MIN_LENGTH;
extern const size_t ICE_PWD_MIN_LENGTH;
extern const size_t ICE_UFRAG_MAX_LENGTH;
extern const size_t ICE_PWD_MAX_LENGTH;
RTC_EXPORT extern const int ICE_CANDIDATE_COMPONENT_RTP;
RTC_EXPORT extern const int ICE_CANDIDATE_COMPONENT_RTCP;
extern const int ICE_CANDIDATE_COMPONENT_DEFAULT;
// RFC 4145, SDP setup attribute values.
extern const char CONNECTIONROLE_ACTIVE_STR[];
extern const char CONNECTIONROLE_PASSIVE_STR[];
extern const char CONNECTIONROLE_ACTPASS_STR[];
extern const char CONNECTIONROLE_HOLDCONN_STR[];
// RFC 6762, the .local pseudo-top-level domain used for mDNS names.
extern const char LOCAL_TLD[];
// Constants for time intervals are in milliseconds unless otherwise stated.
//
// Most of the following constants are the default values of IceConfig
// paramters. See IceConfig for detailed definition.
//
// Default value of IceConfig.receiving_timeout.
extern const int RECEIVING_TIMEOUT;
// Default value IceConfig.ice_check_min_interval.
extern const int MIN_CHECK_RECEIVING_INTERVAL;
// The next two ping intervals are at the ICE transport level.
//
// STRONG_PING_INTERVAL is applied when the selected connection is both
// writable and receiving.
//
// Default value of IceConfig.ice_check_interval_strong_connectivity.
extern const int STRONG_PING_INTERVAL;
// WEAK_PING_INTERVAL is applied when the selected connection is either
// not writable or not receiving.
//
// Defaul value of IceConfig.ice_check_interval_weak_connectivity.
extern const int WEAK_PING_INTERVAL;
// The next two ping intervals are at the candidate pair level.
//
// Writable candidate pairs are pinged at a slower rate once they are stabilized
// and the channel is strongly connected.
extern const int STRONG_AND_STABLE_WRITABLE_CONNECTION_PING_INTERVAL;
// Writable candidate pairs are pinged at a faster rate while the connections
// are stabilizing or the channel is weak.
extern const int WEAK_OR_STABILIZING_WRITABLE_CONNECTION_PING_INTERVAL;
// Default value of IceConfig.backup_connection_ping_interval
extern const int BACKUP_CONNECTION_PING_INTERVAL;
// Defualt value of IceConfig.receiving_switching_delay.
extern const int RECEIVING_SWITCHING_DELAY;
// Default value of IceConfig.regather_on_failed_networks_interval.
extern const int REGATHER_ON_FAILED_NETWORKS_INTERVAL;
// Default vaule of IceConfig.ice_unwritable_timeout.
extern const int CONNECTION_WRITE_CONNECT_TIMEOUT;
// Default vaule of IceConfig.ice_unwritable_min_checks.
extern const uint32_t CONNECTION_WRITE_CONNECT_FAILURES;
// Default value of IceConfig.ice_inactive_timeout;
extern const int CONNECTION_WRITE_TIMEOUT;
// Default value of IceConfig.stun_keepalive_interval;
extern const int STUN_KEEPALIVE_INTERVAL;
// The following constants are used at the candidate pair level to determine the
// state of a candidate pair.
//
// The timeout duration when a connection does not receive anything.
extern const int WEAK_CONNECTION_RECEIVE_TIMEOUT;
// A connection will be declared dead if it has not received anything for this
// long.
extern const int DEAD_CONNECTION_RECEIVE_TIMEOUT;
// This is the length of time that we wait for a ping response to come back.
extern const int CONNECTION_RESPONSE_TIMEOUT;
// The minimum time we will wait before destroying a connection after creating
// it.
extern const int MIN_CONNECTION_LIFETIME;
} // namespace cricket
#endif // P2P_BASE_P2P_CONSTANTS_H_