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Start of end to end testing with a good handshake between two nodes (#425)

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Nathan Brown
2021-03-29 14:29:20 -05:00
committed by GitHub
parent 883e09a392
commit 830d6d4639
14 changed files with 643 additions and 2 deletions
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60
e2e/handshakes_test.go Normal file
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// +build e2e_testing
package e2e
import (
"net"
"testing"
"time"
)
func TestGoodHandshake(t *testing.T) {
ca, _, caKey, _ := newTestCaCert(time.Now(), time.Now().Add(10*time.Minute), []*net.IPNet{}, []*net.IPNet{}, []string{})
defMask := net.IPMask{0, 0, 0, 0}
myUdpAddr := &net.UDPAddr{IP: net.IP{10, 0, 0, 1}, Port: 4242}
myVpnIpNet := &net.IPNet{IP: net.IP{10, 128, 0, 1}, Mask: defMask}
myControl := newSimpleServer(ca, caKey, "me", myUdpAddr, myVpnIpNet)
theirUdpAddr := &net.UDPAddr{IP: net.IP{10, 0, 0, 2}, Port: 4242}
theirVpnIpNet := &net.IPNet{IP: net.IP{10, 128, 0, 2}, Mask: defMask}
theirControl := newSimpleServer(ca, caKey, "them", theirUdpAddr, theirVpnIpNet)
// Put their info in our lighthouse
myControl.InjectLightHouseAddr(theirVpnIpNet.IP, theirUdpAddr)
// Start the servers
myControl.Start()
theirControl.Start()
// Send a udp packet through to begin standing up the tunnel, this should come out the other side
myControl.InjectTunUDPPacket(theirVpnIpNet.IP, 80, 80, []byte("Hi from me"))
// Have them consume my stage 0 packet. They have a tunnel now
theirControl.InjectUDPPacket(myControl.GetFromUDP(true))
// Have me consume their stage 1 packet. I have a tunnel now
myControl.InjectUDPPacket(theirControl.GetFromUDP(true))
// Wait until we see my cached packet come through
myControl.WaitForType(1, 0, theirControl)
// Make sure our host infos are correct
assertHostInfoPair(t, myUdpAddr, theirUdpAddr, myVpnIpNet.IP, theirVpnIpNet.IP, myControl, theirControl)
// Get that cached packet and make sure it looks right
myCachedPacket := theirControl.GetFromTun(true)
assertUdpPacket(t, []byte("Hi from me"), myCachedPacket, myVpnIpNet.IP, theirVpnIpNet.IP, 80, 80)
// Send a packet from them to me
theirControl.InjectTunUDPPacket(myVpnIpNet.IP, 80, 80, []byte("Hi from them"))
myControl.InjectUDPPacket(theirControl.GetFromUDP(true))
theirPacket := myControl.GetFromTun(true)
assertUdpPacket(t, []byte("Hi from them"), theirPacket, theirVpnIpNet.IP, myVpnIpNet.IP, 80, 80)
// And once more from me to them
myControl.InjectTunUDPPacket(theirVpnIpNet.IP, 80, 80, []byte("Hello again from me"))
theirControl.InjectUDPPacket(myControl.GetFromUDP(true))
myPacket := theirControl.GetFromTun(true)
assertUdpPacket(t, []byte("Hello again from me"), myPacket, myVpnIpNet.IP, theirVpnIpNet.IP, 80, 80)
}