mirror of
https://github.com/tailscale/tailscale.git
synced 2024-11-27 12:05:40 +00:00
4dece0c359
I'm working on moving all network state queries to be on netmon.Monitor, removing old APIs. Updates tailscale/corp#10910 Updates tailscale/corp#18960 Updates #7967 Updates #3299 Change-Id: If0de137e0e2e145520f69e258597fb89cf39a2a3 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
85 lines
1.5 KiB
Go
85 lines
1.5 KiB
Go
// Copyright (c) Tailscale Inc & AUTHORS
|
|
// SPDX-License-Identifier: BSD-3-Clause
|
|
|
|
package netutil
|
|
|
|
import (
|
|
"io"
|
|
"net"
|
|
"runtime"
|
|
"testing"
|
|
|
|
"tailscale.com/net/netmon"
|
|
)
|
|
|
|
type conn struct {
|
|
net.Conn
|
|
}
|
|
|
|
func TestOneConnListener(t *testing.T) {
|
|
c1 := new(conn)
|
|
a1 := dummyAddr("a1")
|
|
|
|
// Two Accepts
|
|
ln := NewOneConnListener(c1, a1)
|
|
if got := ln.Addr(); got != a1 {
|
|
t.Errorf("Addr = %#v; want %#v", got, a1)
|
|
}
|
|
c, err := ln.Accept()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if c != c1 {
|
|
t.Fatalf("didn't get c1; got %p", c)
|
|
}
|
|
c, err = ln.Accept()
|
|
if err != io.EOF {
|
|
t.Errorf("got %v; want EOF", err)
|
|
}
|
|
if c != nil {
|
|
t.Errorf("unexpected non-nil Conn")
|
|
}
|
|
|
|
// Close before Accept
|
|
ln = NewOneConnListener(c1, a1)
|
|
ln.Close()
|
|
_, err = ln.Accept()
|
|
if err != io.EOF {
|
|
t.Fatalf("got %v; want EOF", err)
|
|
}
|
|
|
|
// Implicit addr
|
|
ln = NewOneConnListener(c1, nil)
|
|
if ln.Addr() == nil {
|
|
t.Errorf("nil Addr")
|
|
}
|
|
}
|
|
|
|
func TestIPForwardingEnabledLinux(t *testing.T) {
|
|
if runtime.GOOS != "linux" {
|
|
t.Skipf("skipping on %s", runtime.GOOS)
|
|
}
|
|
got, err := ipForwardingEnabledLinux(ipv4, "some-not-found-interface")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if got {
|
|
t.Errorf("got true; want false")
|
|
}
|
|
}
|
|
|
|
func TestCheckReversePathFiltering(t *testing.T) {
|
|
if runtime.GOOS != "linux" {
|
|
t.Skipf("skipping on %s", runtime.GOOS)
|
|
}
|
|
netMon, err := netmon.New(t.Logf)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer netMon.Close()
|
|
|
|
warn, err := CheckReversePathFiltering(netMon.InterfaceState())
|
|
t.Logf("err: %v", err)
|
|
t.Logf("warnings: %v", warn)
|
|
}
|