2 GoVPN -- simple secure free software virtual private network daemon
3 Copyright (C) 2014-2016 Sergey Matveev <stargrave@stargrave.org>
5 This program is free software: you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation, either version 3 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>.
26 "cypherpunks.ru/govpn"
29 type PeerState struct {
31 terminator chan struct{}
36 handshakes map[string]*govpn.Handshake = make(map[string]*govpn.Handshake)
39 peers map[string]*PeerState = make(map[string]*PeerState)
40 peersLock sync.RWMutex
42 peersById map[govpn.PeerId]string = make(map[govpn.PeerId]string)
43 peersByIdLock sync.RWMutex
45 knownPeers govpn.KnownPeers
49 func peerReady(ps PeerState) {
51 heartbeat := time.NewTicker(ps.peer.Timeout)
56 ps.peer.EthProcess(nil)
59 case data = <-ps.tap.Sink:
60 ps.peer.EthProcess(data)
68 func callUp(peerId *govpn.PeerId, remoteAddr string) (string, error) {
69 ifaceName := confs[*peerId].Iface
70 if confs[*peerId].Up != "" {
71 result, err := govpn.ScriptCall(confs[*peerId].Up, ifaceName, remoteAddr)
73 govpn.Println("Script", confs[*peerId].Up, "call failed", err)
77 sepIndex := bytes.Index(result, []byte{'\n'})
79 sepIndex = len(result)
81 ifaceName = string(result[:sepIndex])
85 govpn.Println("Can not obtain interface name for", *peerId)