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Code Issues Releases Wiki Activity

Properly close DummyTUN to avoid deadlock in TestNoiseHandshake

Browse Source 
License: MIT
Signed-off-by: Filippo Valsorda <valsorda@google.com>
This commit is contained in:
Filippo Valsorda 2018-05-20 23:12:55 -04:00 committed by Jason A. Donenfeld
parent 1c666576d5
commit 7bdc5eb54e
3 changed files with 12 additions and 1 deletions
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9
helper_test.go
View File

@ -8,6 +8,7 @@ package main
import (
"bytes"
"errors"
"os"
"testing"
)
@ -40,6 +41,8 @@ func (tun *DummyTUN) Write(d []byte, offset int) (int, error) {
}
func (tun *DummyTUN) Close() error {
close(tun.events)
close(tun.packets)
return nil
}
@ -48,7 +51,10 @@ func (tun *DummyTUN) Events() chan TUNEvent {
}
func (tun *DummyTUN) Read(d []byte, offset int) (int, error) {
t := <-tun.packets
t, ok := <-tun.packets
if !ok {
return 0, errors.New("device closed")
}
copy(d[offset:], t)
return len(t), nil
}
@ -57,6 +63,7 @@ func CreateDummyTUN(name string) (TUNDevice, error) {
var dummy DummyTUN
dummy.mtu = 0
dummy.packets = make(chan []byte, 100)
dummy.events = make(chan TUNEvent, 10)
return &dummy, nil
}

1
noise_test.go
View File

@ -58,6 +58,7 @@ func TestNoiseHandshake(t *testing.T) {
packet := make([]byte, 0, 256)
writer := bytes.NewBuffer(packet)
err = binary.Write(writer, binary.LittleEndian, msg1)
assertNil(t, err)
peer := dev2.ConsumeMessageInitiation(msg1)
if peer == nil {
t.Fatal("handshake failed at initiation message")

3
tun.go
View File

@ -33,9 +33,11 @@ type TUNDevice interface {
func (device *Device) RoutineTUNEventReader() {
setUp := false
logDebug := device.log.Debug
logInfo := device.log.Info
logError := device.log.Error
logDebug.Println("Routine: event worker - started")
device.state.starting.Done()
for event := range device.tun.device.Events() {
@ -67,5 +69,6 @@ func (device *Device) RoutineTUNEventReader() {
}
}
logDebug.Println("Routine: event worker - stopped")
device.state.stopping.Done()
}