ceremonyclient/go-libp2p/p2p/net/conngater/conngater_test.go

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2023-08-21 03:50:38 +00:00
package conngater
import (
"net"
"testing"
"github.com/ipfs/go-datastore"
"github.com/libp2p/go-libp2p/core/network"
"github.com/libp2p/go-libp2p/core/peer"
ma "github.com/multiformats/go-multiaddr"
)
func TestConnectionGater(t *testing.T) {
ds := datastore.NewMapDatastore()
peerA := peer.ID("A")
peerB := peer.ID("B")
ip1 := net.ParseIP("1.2.3.4")
_, ipNet1, err := net.ParseCIDR("1.2.3.0/24")
if err != nil {
t.Fatal(err)
}
cg, err := NewBasicConnectionGater(ds)
if err != nil {
t.Fatal(err)
}
// test peer blocking
allow := cg.InterceptPeerDial(peerA)
if !allow {
t.Fatal("expected gater to allow peerA")
}
allow = cg.InterceptPeerDial(peerB)
if !allow {
t.Fatal("expected gater to allow peerB")
}
allow = cg.InterceptSecured(network.DirInbound, peerA, &mockConnMultiaddrs{local: nil, remote: nil})
if !allow {
t.Fatal("expected gater to allow peerA")
}
allow = cg.InterceptSecured(network.DirInbound, peerB, &mockConnMultiaddrs{local: nil, remote: nil})
if !allow {
t.Fatal("expected gater to allow peerB")
}
err = cg.BlockPeer(peerA)
if err != nil {
t.Fatal(err)
}
allow = cg.InterceptPeerDial(peerA)
if allow {
t.Fatal("expected gater to deny peerA")
}
allow = cg.InterceptPeerDial(peerB)
if !allow {
t.Fatal("expected gater to allow peerB")
}
allow = cg.InterceptSecured(network.DirInbound, peerA, &mockConnMultiaddrs{local: nil, remote: nil})
if allow {
t.Fatal("expected gater to deny peerA")
}
allow = cg.InterceptSecured(network.DirInbound, peerB, &mockConnMultiaddrs{local: nil, remote: nil})
if !allow {
t.Fatal("expected gater to allow peerB")
}
// test addr and subnet blocking
allow = cg.InterceptAddrDial(peerB, ma.StringCast("/ip4/1.2.3.4/tcp/1234"))
if !allow {
t.Fatal("expected gater to allow peerB in 1.2.3.4")
}
allow = cg.InterceptAccept(&mockConnMultiaddrs{local: nil, remote: ma.StringCast("/ip4/1.2.3.4/tcp/1234")})
if !allow {
t.Fatal("expected gater to allow peerB in 1.2.3.4")
}
allow = cg.InterceptAddrDial(peerB, ma.StringCast("/ip4/1.2.3.5/tcp/1234"))
if !allow {
t.Fatal("expected gater to allow peerB in 1.2.3.5")
}
allow = cg.InterceptAccept(&mockConnMultiaddrs{local: nil, remote: ma.StringCast("/ip4/1.2.3.5/tcp/1234")})
if !allow {
t.Fatal("expected gater to allow peerB in 1.2.3.5")
}
allow = cg.InterceptAddrDial(peerB, ma.StringCast("/ip4/2.3.4.5/tcp/1234"))
if !allow {
t.Fatal("expected gater to allow peerB in 2.3.4.5")
}
allow = cg.InterceptAccept(&mockConnMultiaddrs{local: nil, remote: ma.StringCast("/ip4/2.3.4.5/tcp/1234")})
if !allow {
t.Fatal("expected gater to allow peerB in 2.3.4.5")
}
err = cg.BlockAddr(ip1)
if err != nil {
t.Fatal(err)
}
allow = cg.InterceptAddrDial(peerB, ma.StringCast("/ip4/1.2.3.4/tcp/1234"))
if allow {
t.Fatal("expected gater to deny peerB in 1.2.3.4")
}
allow = cg.InterceptAccept(&mockConnMultiaddrs{local: nil, remote: ma.StringCast("/ip4/1.2.3.4/tcp/1234")})
if allow {
t.Fatal("expected gater to deny peerB in 1.2.3.4")
}
allow = cg.InterceptAddrDial(peerB, ma.StringCast("/ip4/1.2.3.5/tcp/1234"))
if !allow {
t.Fatal("expected gater to allow peerB in 1.2.3.5")
}
allow = cg.InterceptAccept(&mockConnMultiaddrs{local: nil, remote: ma.StringCast("/ip4/1.2.3.5/tcp/1234")})
if !allow {
t.Fatal("expected gater to allow peerB in 1.2.3.5")
}
allow = cg.InterceptAddrDial(peerB, ma.StringCast("/ip4/2.3.4.5/tcp/1234"))
if !allow {
t.Fatal("expected gater to allow peerB in 2.3.4.5")
}
allow = cg.InterceptAccept(&mockConnMultiaddrs{local: nil, remote: ma.StringCast("/ip4/2.3.4.5/tcp/1234")})
if !allow {
t.Fatal("expected gater to allow peerB in 2.3.4.5")
}
err = cg.BlockSubnet(ipNet1)
if err != nil {
t.Fatal(err)
}
allow = cg.InterceptAddrDial(peerB, ma.StringCast("/ip4/1.2.3.5/tcp/1234"))
if allow {
t.Fatal("expected gater to deny peerB in 1.2.3.5")
}
allow = cg.InterceptAccept(&mockConnMultiaddrs{local: nil, remote: ma.StringCast("/ip4/1.2.3.5/tcp/1234")})
if allow {
t.Fatal("expected gater to deny peerB in 1.2.3.5")
}
allow = cg.InterceptAddrDial(peerB, ma.StringCast("/ip4/2.3.4.5/tcp/1234"))
if !allow {
t.Fatal("expected gater to allow peerB in 2.3.4.5")
}
allow = cg.InterceptAccept(&mockConnMultiaddrs{local: nil, remote: ma.StringCast("/ip4/2.3.4.5/tcp/1234")})
if !allow {
t.Fatal("expected gater to allow peerB in 2.3.4.5")
}
// make a new gater reusing the datastore to test persistence
cg, err = NewBasicConnectionGater(ds)
if err != nil {
t.Fatal(err)
}
// test the list methods while at it
blockedPeers := cg.ListBlockedPeers()
if len(blockedPeers) != 1 {
t.Fatalf("expected 1 blocked peer, but got %d", len(blockedPeers))
}
blockedAddrs := cg.ListBlockedAddrs()
if len(blockedAddrs) != 1 {
t.Fatalf("expected 1 blocked addr, but got %d", len(blockedAddrs))
}
blockedSubnets := cg.ListBlockedSubnets()
if len(blockedSubnets) != 1 {
t.Fatalf("expected 1 blocked subnet, but got %d", len(blockedSubnets))
}
allow = cg.InterceptPeerDial(peerA)
if allow {
t.Fatal("expected gater to deny peerA")
}
allow = cg.InterceptPeerDial(peerB)
if !allow {
t.Fatal("expected gater to allow peerB")
}
allow = cg.InterceptSecured(network.DirInbound, peerA, &mockConnMultiaddrs{local: nil, remote: nil})
if allow {
t.Fatal("expected gater to deny peerA")
}
allow = cg.InterceptSecured(network.DirInbound, peerB, &mockConnMultiaddrs{local: nil, remote: nil})
if !allow {
t.Fatal("expected gater to allow peerB")
}
allow = cg.InterceptAddrDial(peerB, ma.StringCast("/ip4/1.2.3.4/tcp/1234"))
if allow {
t.Fatal("expected gater to deny peerB in 1.2.3.4")
}
allow = cg.InterceptAccept(&mockConnMultiaddrs{local: nil, remote: ma.StringCast("/ip4/1.2.3.4/tcp/1234")})
if allow {
t.Fatal("expected gater to deny peerB in 1.2.3.4")
}
allow = cg.InterceptAddrDial(peerB, ma.StringCast("/ip4/1.2.3.5/tcp/1234"))
if allow {
t.Fatal("expected gater to deny peerB in 1.2.3.5")
}
allow = cg.InterceptAccept(&mockConnMultiaddrs{local: nil, remote: ma.StringCast("/ip4/1.2.3.5/tcp/1234")})
if allow {
t.Fatal("expected gater to deny peerB in 1.2.3.5")
}
allow = cg.InterceptAddrDial(peerB, ma.StringCast("/ip4/2.3.4.5/tcp/1234"))
if !allow {
t.Fatal("expected gater to allow peerB in 2.3.4.5")
}
allow = cg.InterceptAccept(&mockConnMultiaddrs{local: nil, remote: ma.StringCast("/ip4/2.3.4.5/tcp/1234")})
if !allow {
t.Fatal("expected gater to allow peerB in 2.3.4.5")
}
// undo the blocks to ensure that we can unblock stuff
err = cg.UnblockPeer(peerA)
if err != nil {
t.Fatal(err)
}
err = cg.UnblockAddr(ip1)
if err != nil {
t.Fatal(err)
}
err = cg.UnblockSubnet(ipNet1)
if err != nil {
t.Fatal(err)
}
allow = cg.InterceptPeerDial(peerA)
if !allow {
t.Fatal("expected gater to allow peerA")
}
allow = cg.InterceptPeerDial(peerB)
if !allow {
t.Fatal("expected gater to allow peerB")
}
allow = cg.InterceptSecured(network.DirInbound, peerA, &mockConnMultiaddrs{local: nil, remote: nil})
if !allow {
t.Fatal("expected gater to allow peerA")
}
allow = cg.InterceptSecured(network.DirInbound, peerB, &mockConnMultiaddrs{local: nil, remote: nil})
if !allow {
t.Fatal("expected gater to allow peerB")
}
allow = cg.InterceptAddrDial(peerB, ma.StringCast("/ip4/1.2.3.4/tcp/1234"))
if !allow {
t.Fatal("expected gater to allow peerB in 1.2.3.4")
}
allow = cg.InterceptAccept(&mockConnMultiaddrs{local: nil, remote: ma.StringCast("/ip4/1.2.3.4/tcp/1234")})
if !allow {
t.Fatal("expected gater to allow peerB in 1.2.3.4")
}
allow = cg.InterceptAddrDial(peerB, ma.StringCast("/ip4/1.2.3.5/tcp/1234"))
if !allow {
t.Fatal("expected gater to allow peerB in 1.2.3.5")
}
allow = cg.InterceptAccept(&mockConnMultiaddrs{local: nil, remote: ma.StringCast("/ip4/1.2.3.5/tcp/1234")})
if !allow {
t.Fatal("expected gater to allow peerB in 1.2.3.5")
}
allow = cg.InterceptAddrDial(peerB, ma.StringCast("/ip4/2.3.4.5/tcp/1234"))
if !allow {
t.Fatal("expected gater to allow peerB in 2.3.4.5")
}
allow = cg.InterceptAccept(&mockConnMultiaddrs{local: nil, remote: ma.StringCast("/ip4/2.3.4.5/tcp/1234")})
if !allow {
t.Fatal("expected gater to allow peerB in 2.3.4.5")
}
// make a new gater reusing the datastore to test persistence of unblocks
cg, err = NewBasicConnectionGater(ds)
if err != nil {
t.Fatal(err)
}
allow = cg.InterceptPeerDial(peerA)
if !allow {
t.Fatal("expected gater to allow peerA")
}
allow = cg.InterceptPeerDial(peerB)
if !allow {
t.Fatal("expected gater to allow peerB")
}
allow = cg.InterceptSecured(network.DirInbound, peerA, &mockConnMultiaddrs{local: nil, remote: nil})
if !allow {
t.Fatal("expected gater to allow peerA")
}
allow = cg.InterceptSecured(network.DirInbound, peerB, &mockConnMultiaddrs{local: nil, remote: nil})
if !allow {
t.Fatal("expected gater to allow peerB")
}
allow = cg.InterceptAddrDial(peerB, ma.StringCast("/ip4/1.2.3.4/tcp/1234"))
if !allow {
t.Fatal("expected gater to allow peerB in 1.2.3.4")
}
allow = cg.InterceptAccept(&mockConnMultiaddrs{local: nil, remote: ma.StringCast("/ip4/1.2.3.4/tcp/1234")})
if !allow {
t.Fatal("expected gater to allow peerB in 1.2.3.4")
}
allow = cg.InterceptAddrDial(peerB, ma.StringCast("/ip4/1.2.3.5/tcp/1234"))
if !allow {
t.Fatal("expected gater to allow peerB in 1.2.3.5")
}
allow = cg.InterceptAccept(&mockConnMultiaddrs{local: nil, remote: ma.StringCast("/ip4/1.2.3.5/tcp/1234")})
if !allow {
t.Fatal("expected gater to allow peerB in 1.2.3.5")
}
allow = cg.InterceptAddrDial(peerB, ma.StringCast("/ip4/2.3.4.5/tcp/1234"))
if !allow {
t.Fatal("expected gater to allow peerB in 2.3.4.5")
}
allow = cg.InterceptAccept(&mockConnMultiaddrs{local: nil, remote: ma.StringCast("/ip4/2.3.4.5/tcp/1234")})
if !allow {
t.Fatal("expected gater to allow peerB in 2.3.4.5")
}
}
type mockConnMultiaddrs struct {
local, remote ma.Multiaddr
}
func (cma *mockConnMultiaddrs) LocalMultiaddr() ma.Multiaddr {
return cma.local
}
func (cma *mockConnMultiaddrs) RemoteMultiaddr() ma.Multiaddr {
return cma.remote
}