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tstest/natlab/vnet: add easyAF

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Endpoint-indepedent Mapping with only Address (but not port) dependent
filtering.

Updates #13038

Change-Id: I1ec88301acafcb79bf878f9600a7286e8af0f173
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick
2024-08-08 20:58:24 -07:00
committed by Maisem Ali
parent d4cc074187
commit 44d634395b
3 changed files with 119 additions and 4 deletions
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29
tstest/integration/nat/nat_test.go
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@@ -102,6 +102,13 @@ func easy(c *vnet.Config) *vnet.Node {
fmt.Sprintf("192.168.%d.1/24", n), vnet.EasyNAT))
}
func easyAF(c *vnet.Config) *vnet.Node {
n := c.NumNodes() + 1
return c.AddNode(c.AddNetwork(
fmt.Sprintf("2.%d.%d.%d", n, n, n), // public IP
fmt.Sprintf("192.168.%d.1/24", n), vnet.EasyAFNAT))
}
func sameLAN(c *vnet.Config) *vnet.Node {
nw := c.FirstNetwork()
if nw == nil {
@@ -391,6 +398,11 @@ func TestEasyHard(t *testing.T) {
nt.runTest(easy, hard)
}
func TestEasyAFHard(t *testing.T) {
nt := newNatTest(t)
nt.runTest(easyAF, hard)
}
func TestEasyHardPMP(t *testing.T) {
nt := newNatTest(t)
nt.runTest(easy, hardPMP)
@@ -430,6 +442,7 @@ func TestGrid(t *testing.T) {
}
types := []nodeType{
{"easy", easy},
{"easyAF", easyAF},
{"hard", hard},
{"easyPMP", easyPMP},
{"hardPMP", hardPMP},
@@ -483,10 +496,13 @@ func TestGrid(t *testing.T) {
pf := func(format string, args ...any) {
fmt.Fprintf(&hb, format, args...)
}
rewrite := func(s string) string {
return strings.ReplaceAll(s, "PMP", "+pm")
}
pf("<html><table border=1 cellpadding=5>")
pf("<tr><td></td>")
for _, a := range types {
pf("<td><b>%s</b></td>", a.name)
pf("<td><b>%s</b></td>", rewrite(a.name))
}
pf("</tr>\n")
@@ -494,7 +510,7 @@ func TestGrid(t *testing.T) {
if a.name == "sameLAN" {
continue
}
pf("<tr><td><b>%s</b></td>", a.name)
pf("<tr><td><b>%s</b></td>", rewrite(a.name))
for _, b := range types {
key := a.name + "-" + b.name
key2 := b.name + "-" + a.name
@@ -509,7 +525,14 @@ func TestGrid(t *testing.T) {
}
pf("</tr>\n")
}
pf("</table></html>")
pf("</table>")
pf("<b>easy</b>: Endpoint-Independent Mapping, Address and Port-Dependent Filtering (e.g. Linux, Google Wifi, Unifi, eero)<br>")
pf("<b>easyAF</b>: Endpoint-Independent Mapping, Address-Dependent Filtering (James says telephony things or Zyxel type things)<br>")
pf("<b>hard</b>: Address and Port-Dependent Mapping, Address and Port-Dependent Filtering (FreeBSD, OPNSense, pfSense)<br>")
pf("<b>one2one</b>: One-to-One NAT (e.g. an EC2 instance with a public IPv4)<br>")
pf("<b>x+pm</b>: x, with port mapping (NAT-PMP, PCP, UPnP, etc)<br>")
pf("<b>sameLAN</b>: a second node in the same LAN as the first<br>")
pf("</html>")
if err := os.WriteFile("grid.html", hb.Bytes(), 0666); err != nil {
t.Fatalf("writeFile: %v", err)