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Diffstat (limited to 'node/Trace.hpp')
| -rw-r--r-- | node/Trace.hpp | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/node/Trace.hpp b/node/Trace.hpp new file mode 100644 index 00000000..65d1acf1 --- /dev/null +++ b/node/Trace.hpp @@ -0,0 +1,157 @@ +/* + * ZeroTier One - Network Virtualization Everywhere + * Copyright (C) 2011-2017 ZeroTier, Inc. https://www.zerotier.com/ + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + * + * -- + * + * You can be released from the requirements of the license by purchasing + * a commercial license. Buying such a license is mandatory as soon as you + * develop commercial closed-source software that incorporates or links + * directly against ZeroTier software without disclosing the source code + * of your own application. + */ + +#ifndef ZT_TRACE_HPP +#define ZT_TRACE_HPP + +#include <stdio.h> +#include <stdint.h> +#include <string.h> +#include <stdlib.h> + +#include "../include/ZeroTierOne.h" + +#include "Constants.hpp" +#include "SharedPtr.hpp" +#include "Packet.hpp" +#include "Credential.hpp" +#include "InetAddress.hpp" + +namespace ZeroTier { + +class RuntimeEnvironment; +class Address; +class Identity; +class Peer; +class Path; +class Network; +class NetworkConfig; +class MAC; +class CertificateOfMembership; +class CertificateOfOwnership; +class CertificateOfRepresentation; +class Revocation; +class Tag; +class Capability; + +/** + * Remote tracing and trace logging handler + */ +class Trace +{ +public: + /** + * Filter rule evaluation result log + * + * Each rule in a rule set gets a four-bit log entry. A log entry + * of zero means not evaluated. Otherwise each four-bit log entry + * contains two two-bit values of 01 for 'false' and 10 for 'true'. + * As with four-bit rules an 00 value here means this was not + * evaluated or was not relevant. + */ + class RuleResultLog + { + public: + RuleResultLog() {} + + inline void log(const unsigned int rn,const uint8_t thisRuleMatches,const uint8_t thisSetMatches) + { + _l[rn >> 1] |= ( ((thisRuleMatches + 1) << 2) | (thisSetMatches + 1) ) << ((rn & 1) << 2); + } + inline void logSkipped(const unsigned int rn,const uint8_t thisSetMatches) + { + _l[rn >> 1] |= (thisSetMatches + 1) << ((rn & 1) << 2); + } + + inline void clear() + { + memset(_l,0,sizeof(_l)); + } + + inline const uint8_t *data() const { return _l; } + inline unsigned int sizeBytes() const { return (unsigned int)sizeof(_l); } + + private: + uint8_t _l[ZT_MAX_NETWORK_RULES / 2]; + }; + + Trace(const RuntimeEnvironment *renv) : RR(renv) {} + + void resettingPathsInScope(const Address &reporter,const InetAddress &reporterPhysicalAddress,const InetAddress &myPhysicalAddress,const InetAddress::IpScope scope); + void txTimedOut(const Address &destination); + + void peerConfirmingUnknownPath(Peer &peer,const SharedPtr<Path> &path,const uint64_t packetId,const Packet::Verb verb); + void peerLearnedNewPath(Peer &peer,const SharedPtr<Path> &oldPath,const SharedPtr<Path> &newPath,const uint64_t packetId); + void peerRedirected(Peer &peer,const SharedPtr<Path> &oldPath,const SharedPtr<Path> &newPath); + + void outgoingFrameDropped(const SharedPtr<Network> &network,const MAC &sourceMac,const MAC &destMac,const unsigned int etherType,const unsigned int vlanId,const unsigned int frameLen,const char *reason); + + void incomingPacketTrustedPath(const SharedPtr<Path> &path,const uint64_t packetId,const Address &source,const uint64_t trustedPathId,bool approved); + void incomingPacketMessageAuthenticationFailure(const SharedPtr<Path> &path,const uint64_t packetId,const Address &source); + void incomingPacketInvalid(const SharedPtr<Path> &path,const uint64_t packetId,const Address &source,const Packet::Verb verb,const char *reason); + void incomingPacketDroppedHELLO(const SharedPtr<Path> &path,const uint64_t packetId,const Address &source,const char *reason); + + void networkAccessDenied(const SharedPtr<Network> &network,const SharedPtr<Path> &path,const uint64_t packetId,const unsigned int packetLength,const Address &source,const Packet::Verb verb,bool credentialsRequested); + void networkFrameDropped(const SharedPtr<Network> &network,const SharedPtr<Path> &path,const uint64_t packetId,const unsigned int packetLength,const Address &source,const Packet::Verb verb,const MAC &sourceMac,const MAC &destMac); + + void networkConfigRequestSent(const Network &network,const Address &controller); + void networkFilter( + const Network &network, + const RuleResultLog &primaryRuleSetLog, + const RuleResultLog *const matchingCapabilityRuleSetLog, + const Capability *const matchingCapability, + const Address &ztSource, + const Address &ztDest, + const MAC &macSource, + const MAC &macDest, + const uint8_t *const frameData, + const unsigned int frameLen, + const unsigned int etherType, + const unsigned int vlanId, + const bool noTee, + const bool inbound, + const int accept); + + void credentialRejected(const CertificateOfMembership &c,const char *reason); + void credentialRejected(const CertificateOfOwnership &c,const char *reason); + void credentialRejected(const CertificateOfRepresentation &c,const char *reason); + void credentialRejected(const Capability &c,const char *reason); + void credentialRejected(const Tag &c,const char *reason); + void credentialRejected(const Revocation &c,const char *reason); + void credentialAccepted(const CertificateOfMembership &c); + void credentialAccepted(const CertificateOfOwnership &c); + void credentialAccepted(const CertificateOfRepresentation &c); + void credentialAccepted(const Capability &c); + void credentialAccepted(const Tag &c); + void credentialAccepted(const Revocation &c); + +private: + const RuntimeEnvironment *const RR; +}; + +} // namespace ZeroTier + +#endif |