ZeroTierOne/node/Trace.cpp

282 lines
8.5 KiB
C++

/*
* Copyright (c)2013-2020 ZeroTier, Inc.
*
* Use of this software is governed by the Business Source License included
* in the LICENSE.TXT file in the project's root directory.
*
* Change Date: 2024-01-01
*
* On the date above, in accordance with the Business Source License, use
* of this software will be governed by version 2.0 of the Apache License.
*/
/****/
#include "Trace.hpp"
#include "RuntimeEnvironment.hpp"
#include "Node.hpp"
#include "Peer.hpp"
// Macro to avoid calling hton() on values known at compile time.
#if __BYTE_ORDER == __LITTLE_ENDIAN
#define CONST_TO_BE_UINT16(x) ((uint16_t)((uint16_t)((uint16_t)(x) << 8U) | (uint16_t)((uint16_t)(x) >> 8U)))
#else
#define CONST_TO_BE_UINT16(x) ((uint16_t)(x))
#endif
namespace ZeroTier {
Trace::Trace(const RuntimeEnvironment *renv) :
RR(renv),
_vl1(false),
_vl2(false),
_vl2Filter(false),
_vl2Multicast(false),
_eventBufSize(0)
{
}
void Trace::_resettingPathsInScope(
void *const tPtr,
const Identity &reporter,
const InetAddress &from,
const InetAddress &oldExternal,
const InetAddress &newExternal,
const InetAddress::IpScope scope)
{
ZT_TraceEvent_VL1_RESETTING_PATHS_IN_SCOPE ev;
ev.evSize = CONST_TO_BE_UINT16(sizeof(ev));
ev.evType = CONST_TO_BE_UINT16(ZT_TRACE_VL1_RESETTING_PATHS_IN_SCOPE);
from.forTrace(ev.from);
oldExternal.forTrace(ev.oldExternal);
newExternal.forTrace(ev.newExternal);
ev.scope = (uint8_t)scope;
RR->node->postEvent(tPtr,ZT_EVENT_TRACE,&ev);
}
void Trace::_tryingNewPath(
void *const tPtr,
const Identity &trying,
const InetAddress &physicalAddress,
const InetAddress &triggerAddress,
uint64_t triggeringPacketId,
uint8_t triggeringPacketVerb,
uint64_t triggeredByAddress,
const uint8_t *triggeredByIdentityHash,
ZT_TraceTryingNewPathReason reason)
{
ZT_TraceEvent_VL1_TRYING_NEW_PATH ev;
ev.evSize = CONST_TO_BE_UINT16(sizeof(ev));
ev.evType = CONST_TO_BE_UINT16(ZT_TRACE_VL1_TRYING_NEW_PATH);
ev.address = Utils::hton(trying.address().toInt());
memcpy(ev.identityHash,trying.hash(),48);
physicalAddress.forTrace(ev.physicalAddress);
triggerAddress.forTrace(ev.triggerAddress);
ev.triggeringPacketId = Utils::hton(triggeringPacketId);
ev.triggeringPacketVerb = triggeringPacketVerb;
ev.triggeredByAddress = Utils::hton(triggeredByAddress);
if (triggeredByIdentityHash)
memcpy(ev.triggeredByIdentityHash,triggeredByIdentityHash,48);
else memset(ev.triggeredByIdentityHash,0,48);
ev.reason = (uint8_t)reason;
RR->node->postEvent(tPtr,ZT_EVENT_TRACE,&ev);
}
void Trace::_learnedNewPath(
void *const tPtr,
uint64_t packetId,
const Identity &peerIdentity,
const InetAddress &physicalAddress,
const InetAddress &replaced)
{
ZT_TraceEvent_VL1_LEARNED_NEW_PATH ev;
ev.evSize = CONST_TO_BE_UINT16(sizeof(ev));
ev.evType = CONST_TO_BE_UINT16(ZT_TRACE_VL1_LEARNED_NEW_PATH);
ev.packetId = Utils::hton(packetId);
ev.address = Utils::hton(peerIdentity.address().toInt());
memcpy(ev.identityHash,peerIdentity.hash(),48);
physicalAddress.forTrace(ev.physicalAddress);
replaced.forTrace(ev.replaced);
RR->node->postEvent(tPtr,ZT_EVENT_TRACE,&ev);
}
void Trace::_incomingPacketDropped(
void *const tPtr,
uint64_t packetId,
uint64_t networkId,
const Identity &peerIdentity,
const InetAddress &physicalAddress,
uint8_t hops,
uint8_t verb,
ZT_TracePacketDropReason reason)
{
ZT_TraceEvent_VL1_INCOMING_PACKET_DROPPED ev;
ev.evSize = CONST_TO_BE_UINT16(sizeof(ev));
ev.evType = CONST_TO_BE_UINT16(ZT_TRACE_VL1_INCOMING_PACKET_DROPPED);
ev.packetId = Utils::hton(packetId);
ev.networkId = Utils::hton(networkId);
ev.address = Utils::hton(peerIdentity.address().toInt());
memcpy(ev.identityHash,peerIdentity.hash(),48);
physicalAddress.forTrace(ev.physicalAddress);
ev.hops = hops;
ev.verb = verb;
ev.reason = (uint8_t)reason;
RR->node->postEvent(tPtr,ZT_EVENT_TRACE,&ev);
}
void Trace::_outgoingNetworkFrameDropped(
void *const tPtr,
uint64_t networkId,
const MAC &sourceMac,
const MAC &destMac,
uint16_t etherType,
uint16_t frameLength,
const uint8_t *frameData,
ZT_TraceFrameDropReason reason)
{
ZT_TraceEvent_VL2_OUTGOING_FRAME_DROPPED ev;
ev.evSize = CONST_TO_BE_UINT16(sizeof(ev));
ev.evType = CONST_TO_BE_UINT16(ZT_TRACE_VL2_OUTGOING_FRAME_DROPPED);
ev.networkId = Utils::hton(networkId);
ev.sourceMac = Utils::hton(sourceMac.toInt());
ev.destMac = Utils::hton(destMac.toInt());
ev.etherType = Utils::hton(etherType);
ev.frameLength = Utils::hton(frameLength);
if (frameData) {
unsigned int l = frameLength;
if (l > sizeof(ev.frameHead))
l = sizeof(ev.frameHead);
memcpy(ev.frameHead,frameData,l);
memset(ev.frameHead + l,0,sizeof(ev.frameHead) - l);
}
ev.reason = (uint8_t)reason;
RR->node->postEvent(tPtr,ZT_EVENT_TRACE,&ev);
}
void Trace::_incomingNetworkFrameDropped(
void *const tPtr,
uint64_t networkId,
const MAC &sourceMac,
const MAC &destMac,
const Identity &peerIdentity,
const InetAddress &physicalAddress,
uint8_t hops,
uint16_t frameLength,
const uint8_t *frameData,
uint8_t verb,
bool credentialRequestSent,
ZT_TraceFrameDropReason reason)
{
ZT_TraceEvent_VL2_INCOMING_FRAME_DROPPED ev;
ev.evSize = CONST_TO_BE_UINT16(sizeof(ev));
ev.evType = CONST_TO_BE_UINT16(ZT_TRACE_VL2_INCOMING_FRAME_DROPPED);
ev.networkId = Utils::hton(networkId);
ev.sourceMac = Utils::hton(sourceMac.toInt());
ev.destMac = Utils::hton(destMac.toInt());
ev.address = Utils::hton(peerIdentity.address().toInt());
physicalAddress.forTrace(ev.physicalAddress);
ev.hops = hops;
ev.frameLength = Utils::hton(frameLength);
if (frameData) {
unsigned int l = frameLength;
if (l > sizeof(ev.frameHead))
l = sizeof(ev.frameHead);
memcpy(ev.frameHead,frameData,l);
memset(ev.frameHead + l,0,sizeof(ev.frameHead) - l);
}
ev.verb = verb;
ev.credentialRequestSent = (uint8_t)credentialRequestSent;
ev.reason = (uint8_t)reason;
RR->node->postEvent(tPtr,ZT_EVENT_TRACE,&ev);
}
void Trace::_networkConfigRequestSent(
void *const tPtr,
uint64_t networkId)
{
ZT_TraceEvent_VL2_NETWORK_CONFIG_REQUESTED ev;
ev.evSize = CONST_TO_BE_UINT16(sizeof(ev));
ev.evType = CONST_TO_BE_UINT16(ZT_TRACE_VL2_NETWORK_CONFIG_REQUESTED);
ev.networkId = Utils::hton(networkId);
RR->node->postEvent(tPtr,ZT_EVENT_TRACE,&ev);
}
void Trace::_networkFilter(
void *const tPtr,
uint64_t networkId,
const uint8_t primaryRuleSetLog[512],
const uint8_t matchingCapabilityRuleSetLog[512],
uint32_t matchingCapabilityId,
int64_t matchingCapabilityTimestamp,
const Address &source,
const Address &dest,
const MAC &sourceMac,
const MAC &destMac,
uint16_t frameLength,
const uint8_t *frameData,
uint16_t etherType,
uint16_t vlanId,
bool noTee,
bool inbound,
int accept)
{
ZT_TraceEvent_VL2_NETWORK_FILTER ev;
ev.evSize = CONST_TO_BE_UINT16(sizeof(ev));
ev.evType = CONST_TO_BE_UINT16(ZT_TRACE_VL2_NETWORK_FILTER);
ev.networkId = Utils::hton(networkId);
memcpy(ev.primaryRuleSetLog,primaryRuleSetLog,sizeof(ev.primaryRuleSetLog));
if (matchingCapabilityRuleSetLog)
memcpy(ev.matchingCapabilityRuleSetLog,matchingCapabilityRuleSetLog,sizeof(ev.matchingCapabilityRuleSetLog));
else memset(ev.matchingCapabilityRuleSetLog,0,sizeof(ev.matchingCapabilityRuleSetLog));
ev.matchingCapabilityId = Utils::hton(matchingCapabilityId);
ev.matchingCapabilityTimestamp = Utils::hton(matchingCapabilityTimestamp);
ev.source = Utils::hton(source.toInt());
ev.dest = Utils::hton(dest.toInt());
ev.sourceMac = Utils::hton(sourceMac.toInt());
ev.destMac = Utils::hton(destMac.toInt());
ev.frameLength = Utils::hton(frameLength);
if (frameData) {
unsigned int l = frameLength;
if (l > sizeof(ev.frameHead))
l = sizeof(ev.frameHead);
memcpy(ev.frameHead,frameData,l);
memset(ev.frameHead + l,0,sizeof(ev.frameHead) - l);
}
ev.etherType = Utils::hton(etherType);
ev.vlanId = Utils::hton(vlanId);
ev.noTee = (uint8_t)noTee;
ev.inbound = (uint8_t)inbound;
ev.accept = (int8_t)accept;
RR->node->postEvent(tPtr,ZT_EVENT_TRACE,&ev);
}
void Trace::_credentialRejected(
void *const tPtr,
uint64_t networkId,
const Address &address,
uint32_t credentialId,
int64_t credentialTimestamp,
uint8_t credentialType,
ZT_TraceCredentialRejectionReason reason)
{
ZT_TraceEvent_VL2_CREDENTIAL_REJECTED ev;
ev.evSize = CONST_TO_BE_UINT16(sizeof(ev));
ev.evType = CONST_TO_BE_UINT16(ZT_TRACE_VL2_NETWORK_FILTER);
ev.networkId = Utils::hton(networkId);
ev.address = Utils::hton(address.toInt());
ev.credentialId = Utils::hton(credentialId);
ev.credentialTimestamp = Utils::hton(credentialTimestamp);
ev.credentialType = credentialType;
ev.reason = (uint8_t)reason;
RR->node->postEvent(tPtr,ZT_EVENT_TRACE,&ev);
}
} // namespace ZeroTier