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Adam Ierymenko 12d32b9311 Small fix to send pushes if not a reply. 9 years ago
..
Address.hpp Bunch more refactoring for an even more compact NetworkConfig representation, especially rules. 10 years ago
Array.hpp boring doc stuff 10 years ago
AtomicCounter.hpp Implement "weak pointer" behavior on Topology Path canonicalization hash table. 10 years ago
Buffer.hpp Changes to how new-style binary network configs are detected, and a new-style binary serialized meta-data representation. 10 years ago
C25519.cpp More little stuff in crypto code. 12 years ago
C25519.hpp boring doc stuff 10 years ago
Capability.cpp More cleanup and removal of DeferredPackets, will do the latter in a more elegant way. 10 years ago
Capability.hpp Broke down and added an OR to the rules engine. It is now possible to have a series of MATCHes that are ORed. 10 years ago
CertificateOfMembership.cpp . 10 years ago
CertificateOfMembership.hpp Compute credential TTL et al. 10 years ago
Cluster.cpp Cluster build fix. 10 years ago
Cluster.hpp Tweak a few cluster params for higher perf / lower initial setup latency. 10 years ago
Constants.hpp Log last meta-data in controller, and ease up just a bit on keepalives. 9 years ago
Dictionary.hpp Refactored network config chunking to sign every chunk to prevent stupid DOS attack potential, and implement network config fast propagate (though we probably will not use this for a bit). 10 years ago
Hashtable.hpp Rework how paths are set as remote cluster preferred. The code is now clearer and cluster preference indications are now very sticky as they should be. 10 years ago
Identity.cpp Rules engine work: capability based security model with tags and capabilities, and some cleanup across other places. 10 years ago
Identity.hpp Sign Dictionary in doNETWORK_CONFIG_REQUEST. 10 years ago
IncomingPacket.cpp Refactor controller to permit sending of pushes as well as just replies to config requests. 9 years ago
IncomingPacket.hpp Remove unused POW code, will revisit later. 10 years ago
InetAddress.cpp Fix the case for InetAddress::containsAddress for IPv6 route of :: 10 years ago
InetAddress.hpp hashCode() for InetAddress 10 years ago
MAC.hpp boring doc stuff 10 years ago
Membership.cpp add new files & remove old ones from VS project. Now builds & runs on Windows again 10 years ago
Membership.hpp Bunch more refactoring and work on revocations, etc. 10 years ago
MulticastGroup.hpp Dead code removal. 10 years ago
Multicaster.cpp add new files & remove old ones from VS project. Now builds & runs on Windows again 10 years ago
Multicaster.hpp Cleanup, and implement compression disable flag for networks. 10 years ago
Mutex.hpp boring doc stuff 10 years ago
Network.cpp Refactor controller to permit sending of pushes as well as just replies to config requests. 9 years ago
Network.hpp Refactor controller to permit sending of pushes as well as just replies to config requests. 9 years ago
NetworkConfig.cpp Credential TTL (tags/capabilities) should be credential time max delta, since we could get pushed one that is newer. 10 years ago
NetworkConfig.hpp Cleanup, and implement compression disable flag for networks. 10 years ago
NetworkController.hpp Refactor controller to permit sending of pushes as well as just replies to config requests. 9 years ago
Node.cpp Small fix to send pushes if not a reply. 9 years ago
Node.hpp Refactor controller to permit sending of pushes as well as just replies to config requests. 9 years ago
NonCopyable.hpp boring doc stuff 10 years ago
OutboundMulticast.cpp Cleanup, and implement compression disable flag for networks. 10 years ago
OutboundMulticast.hpp Cleanup, and implement compression disable flag for networks. 10 years ago
Packet.cpp cleanup 10 years ago
Packet.hpp Remove unused POW code, will revisit later. 10 years ago
Path.cpp Work in progress: Path canonicalization refactor. 10 years ago
Path.hpp Implement relay policy, and setting multicast limit to 0 now disables multicast on the network as would be expected. 10 years ago
Peer.cpp Keep connections up for netconf stuff as well as frames. 9 years ago
Peer.hpp Keep connections up for netconf stuff as well as frames. 9 years ago
Poly1305.cpp Only enable 128-bit Poly1305 on X86_64 right now. Has compilation issues on ARM, but the 64-bit version should be fine. 11 years ago
Poly1305.hpp boring doc stuff 10 years ago
README.md Docs and controller API version 10 years ago
Revocation.cpp Revocation work in progress, add WATCH which is TEE with implicit rate sync (thanks JG@DCVC!), and clean up some cruft in Network. 10 years ago
Revocation.hpp Bunch more refactoring and work on revocations, etc. 10 years ago
RuntimeEnvironment.hpp More cleanup and removal of DeferredPackets, will do the latter in a more elegant way. 10 years ago
SHA512.cpp boring doc stuff 10 years ago
SHA512.hpp boring doc stuff 10 years ago
Salsa20.cpp Unroll Salsa20 fully for a little more speed (non-SSE now almost as fast as SSE) 11 years ago
Salsa20.hpp Add uint16_t key to Hashtable, and make Salsa20 zero its keyspace on destruction. 11 years ago
SelfAwareness.cpp Refactor COM stuff a bit, and respond to COM requests a bit more readily for rapid setup. Will need to revisit later. 10 years ago
SelfAwareness.hpp Bunch more path refactoring. Peers no longer forget paths, but do not normally use expired paths. Expired paths might still be tried if nothing else is reachable. 10 years ago
SharedPtr.hpp Implement "weak pointer" behavior on Topology Path canonicalization hash table. 10 years ago
Switch.cpp Go ahead and loop back packets whose destination is self. Some OSes require this since they aactually follow the full network path even for local IPs. 10 years ago
Switch.hpp More cleanup and removal of cruft due to obsolete network-specific relays (will be replaced with federation stuff). 10 years ago
Tag.cpp Revocation work in progress, add WATCH which is TEE with implicit rate sync (thanks JG@DCVC!), and clean up some cruft in Network. 10 years ago
Tag.hpp Revocation work in progress, add WATCH which is TEE with implicit rate sync (thanks JG@DCVC!), and clean up some cruft in Network. 10 years ago
Topology.cpp Refactor COM stuff a bit, and respond to COM requests a bit more readily for rapid setup. Will need to revisit later. 10 years ago
Topology.hpp Work in progress: Path canonicalization refactor. 10 years ago
Utils.cpp More tweaks to path behavior. 10 years ago
Utils.hpp Big refactor mostly builds. We now have a uniform backward compatible netconf. 10 years ago
World.hpp Naming... 10 years ago

README.md

ZeroTier Virtual Switch Core

This directory contains the real ZeroTier: a completely OS-independent global virtual Ethernet switch engine. This is where the magic happens.

Give it wire packets and it gives you Ethernet packets, and vice versa. The core contains absolutely no actual I/O, port configuration, or other OS-specific code (except Utils::getSecureRandom()). It provides a simple C API via /include/ZeroTierOne.h. It's designed to be small and maximally portable for future use on small embedded and special purpose systems.

Code in here follows these guidelines:

  • Keep it minimal, especially in terms of code footprint and memory use.
  • There should be no OS-dependent code here unless absolutely necessary (e.g. getSecureRandom).
  • If it's not part of the core virtual Ethernet switch it does not belong here.
  • No C++11 or C++14 since older and embedded compilers don't support it yet and this should be maximally portable.
  • Minimize the use of complex C++ features since at some point we might end up "minus-minus'ing" this code if doing so proves necessary to port to tiny embedded systems.