183 lines
7.0 KiB
Go
183 lines
7.0 KiB
Go
//go:build e2e_testing
|
|
// +build e2e_testing
|
|
|
|
package e2e
|
|
|
|
import (
|
|
"net"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/slackhq/nebula"
|
|
"github.com/slackhq/nebula/e2e/router"
|
|
"github.com/stretchr/testify/assert"
|
|
)
|
|
|
|
func TestGoodHandshake(t *testing.T) {
|
|
ca, _, caKey, _ := newTestCaCert(time.Now(), time.Now().Add(10*time.Minute), []*net.IPNet{}, []*net.IPNet{}, []string{})
|
|
myControl, myVpnIp, myUdpAddr := newSimpleServer(ca, caKey, "me", net.IP{10, 0, 0, 1})
|
|
theirControl, theirVpnIp, theirUdpAddr := newSimpleServer(ca, caKey, "them", net.IP{10, 0, 0, 2})
|
|
|
|
// Put their info in our lighthouse
|
|
myControl.InjectLightHouseAddr(theirVpnIp, theirUdpAddr)
|
|
|
|
// Start the servers
|
|
myControl.Start()
|
|
theirControl.Start()
|
|
|
|
t.Log("Send a udp packet through to begin standing up the tunnel, this should come out the other side")
|
|
myControl.InjectTunUDPPacket(theirVpnIp, 80, 80, []byte("Hi from me"))
|
|
|
|
t.Log("Have them consume my stage 0 packet. They have a tunnel now")
|
|
theirControl.InjectUDPPacket(myControl.GetFromUDP(true))
|
|
|
|
t.Log("Get their stage 1 packet so that we can play with it")
|
|
stage1Packet := theirControl.GetFromUDP(true)
|
|
|
|
t.Log("I consume a garbage packet with a proper nebula header for our tunnel")
|
|
// this should log a statement and get ignored, allowing the real handshake packet to complete the tunnel
|
|
badPacket := stage1Packet.Copy()
|
|
badPacket.Data = badPacket.Data[:len(badPacket.Data)-nebula.HeaderLen]
|
|
myControl.InjectUDPPacket(badPacket)
|
|
|
|
t.Log("Have me consume their real stage 1 packet. I have a tunnel now")
|
|
myControl.InjectUDPPacket(stage1Packet)
|
|
|
|
t.Log("Wait until we see my cached packet come through")
|
|
myControl.WaitForType(1, 0, theirControl)
|
|
|
|
t.Log("Make sure our host infos are correct")
|
|
assertHostInfoPair(t, myUdpAddr, theirUdpAddr, myVpnIp, theirVpnIp, myControl, theirControl)
|
|
|
|
t.Log("Get that cached packet and make sure it looks right")
|
|
myCachedPacket := theirControl.GetFromTun(true)
|
|
assertUdpPacket(t, []byte("Hi from me"), myCachedPacket, myVpnIp, theirVpnIp, 80, 80)
|
|
|
|
t.Log("Do a bidirectional tunnel test")
|
|
assertTunnel(t, myVpnIp, theirVpnIp, myControl, theirControl, router.NewR(myControl, theirControl))
|
|
|
|
myControl.Stop()
|
|
theirControl.Stop()
|
|
//TODO: assert hostmaps
|
|
}
|
|
|
|
func TestWrongResponderHandshake(t *testing.T) {
|
|
ca, _, caKey, _ := newTestCaCert(time.Now(), time.Now().Add(10*time.Minute), []*net.IPNet{}, []*net.IPNet{}, []string{})
|
|
|
|
// The IPs here are chosen on purpose:
|
|
// The current remote handling will sort by preference, public, and then lexically.
|
|
// So we need them to have a higher address than evil (we could apply a preference though)
|
|
myControl, myVpnIp, myUdpAddr := newSimpleServer(ca, caKey, "me", net.IP{10, 0, 0, 100})
|
|
theirControl, theirVpnIp, theirUdpAddr := newSimpleServer(ca, caKey, "them", net.IP{10, 0, 0, 99})
|
|
evilControl, evilVpnIp, evilUdpAddr := newSimpleServer(ca, caKey, "evil", net.IP{10, 0, 0, 2})
|
|
|
|
// Add their real udp addr, which should be tried after evil.
|
|
myControl.InjectLightHouseAddr(theirVpnIp, theirUdpAddr)
|
|
|
|
// Put the evil udp addr in for their vpn Ip, this is a case of being lied to by the lighthouse.
|
|
myControl.InjectLightHouseAddr(theirVpnIp, evilUdpAddr)
|
|
|
|
// Build a router so we don't have to reason who gets which packet
|
|
r := router.NewR(myControl, theirControl, evilControl)
|
|
|
|
// Start the servers
|
|
myControl.Start()
|
|
theirControl.Start()
|
|
evilControl.Start()
|
|
|
|
t.Log("Start the handshake process, we will route until we see our cached packet get sent to them")
|
|
myControl.InjectTunUDPPacket(theirVpnIp, 80, 80, []byte("Hi from me"))
|
|
r.RouteForAllExitFunc(func(p *nebula.UdpPacket, c *nebula.Control) router.ExitType {
|
|
h := &nebula.Header{}
|
|
err := h.Parse(p.Data)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
if p.ToIp.Equal(theirUdpAddr.IP) && p.ToPort == uint16(theirUdpAddr.Port) && h.Type == 1 {
|
|
return router.RouteAndExit
|
|
}
|
|
|
|
return router.KeepRouting
|
|
})
|
|
|
|
//TODO: Assert pending hostmap - I should have a correct hostinfo for them now
|
|
|
|
t.Log("My cached packet should be received by them")
|
|
myCachedPacket := theirControl.GetFromTun(true)
|
|
assertUdpPacket(t, []byte("Hi from me"), myCachedPacket, myVpnIp, theirVpnIp, 80, 80)
|
|
|
|
t.Log("Test the tunnel with them")
|
|
assertHostInfoPair(t, myUdpAddr, theirUdpAddr, myVpnIp, theirVpnIp, myControl, theirControl)
|
|
assertTunnel(t, myVpnIp, theirVpnIp, myControl, theirControl, r)
|
|
|
|
t.Log("Flush all packets from all controllers")
|
|
r.FlushAll()
|
|
|
|
t.Log("Ensure ensure I don't have any hostinfo artifacts from evil")
|
|
assert.Nil(t, myControl.GetHostInfoByVpnIP(ip2int(evilVpnIp), true), "My pending hostmap should not contain evil")
|
|
assert.Nil(t, myControl.GetHostInfoByVpnIP(ip2int(evilVpnIp), false), "My main hostmap should not contain evil")
|
|
//NOTE: if evil lost the handshake race it may still have a tunnel since me would reject the handshake since the tunnel is complete
|
|
|
|
//TODO: assert hostmaps for everyone
|
|
t.Log("Success!")
|
|
myControl.Stop()
|
|
theirControl.Stop()
|
|
}
|
|
|
|
func Test_Case1_Stage1Race(t *testing.T) {
|
|
ca, _, caKey, _ := newTestCaCert(time.Now(), time.Now().Add(10*time.Minute), []*net.IPNet{}, []*net.IPNet{}, []string{})
|
|
myControl, myVpnIp, myUdpAddr := newSimpleServer(ca, caKey, "me ", net.IP{10, 0, 0, 1})
|
|
theirControl, theirVpnIp, theirUdpAddr := newSimpleServer(ca, caKey, "them", net.IP{10, 0, 0, 2})
|
|
|
|
// Put their info in our lighthouse and vice versa
|
|
myControl.InjectLightHouseAddr(theirVpnIp, theirUdpAddr)
|
|
theirControl.InjectLightHouseAddr(myVpnIp, myUdpAddr)
|
|
|
|
// Build a router so we don't have to reason who gets which packet
|
|
r := router.NewR(myControl, theirControl)
|
|
|
|
// Start the servers
|
|
myControl.Start()
|
|
theirControl.Start()
|
|
|
|
t.Log("Trigger a handshake to start on both me and them")
|
|
myControl.InjectTunUDPPacket(theirVpnIp, 80, 80, []byte("Hi from me"))
|
|
theirControl.InjectTunUDPPacket(myVpnIp, 80, 80, []byte("Hi from them"))
|
|
|
|
t.Log("Get both stage 1 handshake packets")
|
|
myHsForThem := myControl.GetFromUDP(true)
|
|
theirHsForMe := theirControl.GetFromUDP(true)
|
|
|
|
t.Log("Now inject both stage 1 handshake packets")
|
|
myControl.InjectUDPPacket(theirHsForMe)
|
|
theirControl.InjectUDPPacket(myHsForThem)
|
|
//TODO: they should win, grab their index for me and make sure I use it in the end.
|
|
|
|
t.Log("They should not have a stage 2 (won the race) but I should send one")
|
|
theirControl.InjectUDPPacket(myControl.GetFromUDP(true))
|
|
|
|
t.Log("Route for me until I send a message packet to them")
|
|
myControl.WaitForType(1, 0, theirControl)
|
|
|
|
t.Log("My cached packet should be received by them")
|
|
myCachedPacket := theirControl.GetFromTun(true)
|
|
assertUdpPacket(t, []byte("Hi from me"), myCachedPacket, myVpnIp, theirVpnIp, 80, 80)
|
|
|
|
t.Log("Route for them until I send a message packet to me")
|
|
theirControl.WaitForType(1, 0, myControl)
|
|
|
|
t.Log("Their cached packet should be received by me")
|
|
theirCachedPacket := myControl.GetFromTun(true)
|
|
assertUdpPacket(t, []byte("Hi from them"), theirCachedPacket, theirVpnIp, myVpnIp, 80, 80)
|
|
|
|
t.Log("Do a bidirectional tunnel test")
|
|
assertTunnel(t, myVpnIp, theirVpnIp, myControl, theirControl, r)
|
|
|
|
myControl.Stop()
|
|
theirControl.Stop()
|
|
//TODO: assert hostmaps
|
|
}
|
|
|
|
//TODO: add a test with many lies
|