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92 Commits

Author SHA1 Message Date
Felix Lange 21649100b1 p2p: verify protocol handshake node ID 2015-03-04 12:27:24 +01:00
Felix Lange 7d39fd6678 p2p: make encryption handshake code easier to follow 
This mostly changes how information is passed around.
Instead of using many function parameters and return values,
put the entire state in a struct and pass that.

This also adds back derivation of ecdhe-shared-secret. I deleted
it by accident in a previous refactoring.
 2015-03-04 12:27:24 +01:00
Felix Lange 2c505efd1e p2p/discover: add NodeID.Pubkey 2015-03-04 12:27:24 +01:00
Felix Lange d344054e5a p2p: make RLPx frame MAC 16 bytes as defined in the spec 2015-03-04 12:27:24 +01:00
Felix Lange d084aed5e9 p2p: delete frameRW 2015-03-04 12:27:24 +01:00
Felix Lange 736e632215 p2p: use RLPx frames for messaging 2015-03-04 12:27:23 +01:00
Felix Lange 51e01cceca p2p: encrypted and authenticated RLPx frame I/O 2015-03-04 12:27:23 +01:00
Felix Lange 936dd0f3bc p2p: add basic RLPx frame I/O 2015-03-04 12:27:23 +01:00
Felix Lange 3719db352a p2p: emit JSON connect/disconnect events 2015-02-19 17:09:33 +01:00
Felix Lange dd871e791c p2p: initialize Server.ourHandshake before accepting connections 2015-02-19 17:08:18 +01:00
Felix Lange 3dbd32093c p2p: enable devp2p ping 
This should prevent connection drops.
 2015-02-19 16:54:54 +01:00
Felix Lange 73f94f3755 p2p: disable encryption handshake 
The diff is a bit bigger than expected because the protocol handshake
logic has moved out of Peer. This is necessary because the protocol
handshake will have custom framing in the final protocol.
 2015-02-19 16:54:53 +01:00
Jeffrey Wilcke c1d0693cb1 Merge pull request #325 from fjl/deps-cleanup 
Cleanup imports
 2015-02-17 23:19:45 +01:00
Felix Lange 7ea131d4ff p2p/discover: fix pending replies iteration 
Range expressions capture the length of the slice once before the first
iteration. A range expression cannot be used here since the loop
modifies the slice variable (including length changes).
 2015-02-17 15:21:39 +01:00
Felix Lange f965f41b6e p2p/nat: switch to github.com/huin/goupnp 
My temporary fix was merged upstream.
 2015-02-17 13:10:11 +01:00
Felix Lange 34d0e1b2c3 p2p: fix ecies dependency in tests 
We forgot to update this reference when moving ecies into the
go-ethereum repo.
 2015-02-17 12:04:20 +01:00
obscuren 09e53367a2 Use a mutex write-lock for a write operation 2015-02-15 02:13:24 +01:00
obscuren 65159d65c8 Merge branch 'develop' of github.com-obscure:ethereum/go-ethereum into develop 2015-02-14 00:27:46 +01:00
obscuren 84f7c966f7 Moved ECIES to repo & added secondary title for webview 
* ECIES moved from obscuren to ethereum
* Added html META[name=badge] to reflect menuItem.secondaryTitle
 2015-02-14 00:25:47 +01:00
Felix Lange 4bef3ce284 p2p: print Cap as name/version 2015-02-13 23:54:34 +01:00
Felix Lange 32a9c0ca80 p2p: bump devp2p protcol version to 3 
For compatibility with cpp-ethereum
 2015-02-13 15:08:40 +01:00
Felix Lange fd3e1061e0 p2p: handle disconnect before protocol handshake 2015-02-13 15:06:47 +01:00
Felix Lange cf754b9483 p2p/discover: fix race in ListenUDP 
udp.Table was assigned after the readLoop started, so
packets could arrive and be processed before the Table was there.
 2015-02-13 15:06:47 +01:00
Felix Lange 5cc1256fd6 p2p: ensure we don't dial ourself 
addPeer doesn't allow self connects, but we can avoid opening
connections in the first place.
 2015-02-13 15:06:47 +01:00
Felix Lange 7101f44998 p2p: add I/O timeout for encrytion handshake 2015-02-13 15:06:47 +01:00
Felix Lange 22ee366ed6 p2p: fix goroutine leak for invalid peers 
The deflect logic called Disconnect on the peer, but the peer never ran
and wouldn't process the disconnect request.
 2015-02-13 15:06:46 +01:00
Felix Lange 5110f80bba p2p: improve read deadlines 
There are now two deadlines, frameReadTimeout and payloadReadTimeout.

The frame timeout is longer and allows for connections that are idle.
The message timeout is still short and ensures that we don't get stuck
in the middle of a message.
 2015-02-13 14:44:00 +01:00
Felix Lange 170eb3ac68 p2p/discover: map listening port using configured mechanism 2015-02-13 11:39:32 +01:00
Felix Lange 82f0bd9009 p2p/discover: code review fixes 2015-02-13 11:39:31 +01:00
Felix Lange d0a2e655c9 cmd/ethereum, cmd/mist, eth, p2p: use package p2p/nat 
This deletes the old NAT implementation.
 2015-02-13 11:39:31 +01:00
Felix Lange 1543833ca0 p2p/nat: new package for port mapping stuff 
I have verified that UPnP and NAT-PMP work against an older version of
the MiniUPnP daemon running on pfSense. This code is kind of hard to
test automatically.
 2015-02-13 11:39:31 +01:00
Felix Lange 9915d3c3be p2p/discover: deflake UDP tests 2015-02-09 11:02:32 +01:00
Felix Lange 028775a086 cmd/ethereum, cmd/mist: add flag for discovery bootstrap nodes 2015-02-07 00:52:49 +01:00
Felix Lange 2cf4fed11b cmd/mist, eth, javascript, p2p: use Node URLs for peer suggestions 2015-02-07 00:46:56 +01:00
Felix Lange e34d134102 p2p: fixes for actual connections 
The unit test hooks were turned on 'in production'.
 2015-02-07 00:43:52 +01:00
Felix Lange 8564eb9f7e p2p/discover: add node URL functions, distinguish TCP/UDP ports 
The discovery RPC protocol does not yet distinguish TCP and UDP ports.
But it can't hurt to do so in our internal model.
 2015-02-07 00:12:23 +01:00
Felix Lange 5bdc115943 p2p: integrate p2p/discover 
Overview of changes:

- ClientIdentity has been removed, use discover.NodeID
- Server now requires a private key to be set (instead of public key)
- Server performs the encryption handshake before launching Peer
- Dial logic takes peers from discover table
- Encryption handshake code has been cleaned up a bit
- baseProtocol is gone because we don't exchange peers anymore
- Some parts of baseProtocol have moved into Peer instead
 2015-02-06 00:00:36 +01:00
Felix Lange 739066ec56 p2p/discover: add some helper functions 2015-02-06 00:00:36 +01:00
Felix Lange 12224c7f59 p2p/discover: new package implementing the Node Discovery Protocol 2015-02-06 00:00:36 +01:00
zelig 2e48d39fc7 key generation abstracted out, for testing with deterministic keys 2015-02-06 00:00:36 +01:00
zelig 488a042736 fix clientidentity test after privkey removed 2015-02-06 00:00:36 +01:00
zelig 71765957e4 get rid of Private Key in ClientIdentity 2015-02-06 00:00:36 +01:00
zelig 68205dec9f make crypto handshake calls package level, store privateKey on peer + tests ok 2015-02-06 00:00:36 +01:00
zelig 4499743522 apply handshake related improvements from p2p.crypto branch 2015-02-06 00:00:35 +01:00
zelig 54252ede31 add temporary forced session token generation 2015-02-06 00:00:35 +01:00
zelig faa069a126 peer-level integration test for crypto handshake 
- add const length params for handshake messages
- add length check to fail early
- add debug logs to help interop testing (!ABSOLUTELY SHOULD BE DELETED LATER)
- wrap connection read/writes in error check
- add cryptoReady channel in peer to signal when secure session setup is finished
- wait for cryptoReady or timeout in TestPeersHandshake
 2015-02-06 00:00:35 +01:00
zelig 20aade56c3 chop first byte when cryptoid.PubKeyS is set from identity.Pubkey() since this is directly copied in the auth message 2015-02-06 00:00:35 +01:00
zelig 1f2adb05b5 add initial peer level test (failing) 2015-02-06 00:00:35 +01:00
zelig 4afde4e738 add code documentation 2015-02-06 00:00:35 +01:00
zelig 364b783281 changes that fix it all: 
- set proper public key serialisation length in pubLen = 64
- reset all sizes and offsets
- rename from DER to S (we are not using DER encoding)
- add remoteInitRandomPubKey as return value to respondToHandshake
- add ImportPublicKey with error return to read both EC golang.elliptic style 65 byte encoding and 64 byte one
- add ExportPublicKey falling back to go-ethereum/crypto.FromECDSAPub() chopping off the first byte
- add Import - Export tests
- all tests pass
 2015-02-06 00:00:35 +01:00