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tailscale/net/portmapper/upnp_test.go
Andrew Dunham 3f8e8b04fd cmd/tailscale, cmd/tailscaled: move portmapper debugging into tailscale CLI 
The debug flag on tailscaled isn't available in the macOS App Store
build, since we don't have a tailscaled binary; move it to the
'tailscale debug' CLI that is available on all platforms instead,
accessed over LocalAPI.

Updates #7377

Signed-off-by: Andrew Dunham <andrew@du.nham.ca>
Change-Id: I47bffe4461e036fab577c2e51e173f4003592ff7
2023-03-03 14:21:38 -05:00

132 lines
11 KiB
Go
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// Copyright (c) Tailscale Inc & AUTHORS
// SPDX-License-Identifier: BSD-3-Clause
package portmapper
import (
"context"
"fmt"
"io"
"net"
"net/http"
"net/http/httptest"
"net/netip"
"reflect"
"regexp"
"testing"
"tailscale.com/tstest"
)
// Google Wifi
const (
googleWifiUPnPDisco = "HTTP/1.1 200 OK\r\nCACHE-CONTROL: max-age=120\r\nST: urn:schemas-upnp-org:device:InternetGatewayDevice:2\r\nUSN: uuid:a9708184-a6c0-413a-bbac-11bcf7e30ece::urn:schemas-upnp-org:device:InternetGatewayDevice:2\r\nEXT:\r\nSERVER: Linux/5.4.0-1034-gcp UPnP/1.1 MiniUPnPd/1.9\r\nLOCATION: http://192.168.86.1:5000/rootDesc.xml\r\nOPT: \"http://schemas.upnp.org/upnp/1/0/\"; ns=01\r\n01-NLS: 1\r\nBOOTID.UPNP.ORG: 1\r\nCONFIGID.UPNP.ORG: 1337\r\n\r\n"
googleWifiRootDescXML = `<?xml version="1.0"?>
<root xmlns="urn:schemas-upnp-org:device-1-0"><specVersion><major>1</major><minor>0</minor></specVersion><device><deviceType>urn:schemas-upnp-org:device:InternetGatewayDevice:2</deviceType><friendlyName>OnHub</friendlyName><manufacturer>Google</manufacturer><manufacturerURL>http://google.com/</manufacturerURL><modelDescription>Wireless Router</modelDescription><modelName>OnHub</modelName><modelNumber>1</modelNumber><modelURL>https://on.google.com/hub/</modelURL><serialNumber>00000000</serialNumber><UDN>uuid:a9708184-a6c0-413a-bbac-11bcf7e30ece</UDN><serviceList><service><serviceType>urn:schemas-upnp-org:service:Layer3Forwarding:1</serviceType><serviceId>urn:upnp-org:serviceId:Layer3Forwarding1</serviceId><controlURL>/ctl/L3F</controlURL><eventSubURL>/evt/L3F</eventSubURL><SCPDURL>/L3F.xml</SCPDURL></service><service><serviceType>urn:schemas-upnp-org:service:DeviceProtection:1</serviceType><serviceId>urn:upnp-org:serviceId:DeviceProtection1</serviceId><controlURL>/ctl/DP</controlURL><eventSubURL>/evt/DP</eventSubURL><SCPDURL>/DP.xml</SCPDURL></service></serviceList><deviceList><device><deviceType>urn:schemas-upnp-org:device:WANDevice:2</deviceType><friendlyName>WANDevice</friendlyName><manufacturer>MiniUPnP</manufacturer><manufacturerURL>http://miniupnp.free.fr/</manufacturerURL><modelDescription>WAN Device</modelDescription><modelName>WAN Device</modelName><modelNumber>20210414</modelNumber><modelURL>http://miniupnp.free.fr/</modelURL><serialNumber>00000000</serialNumber><UDN>uuid:a9708184-a6c0-413a-bbac-11bcf7e30ecf</UDN><UPC>000000000000</UPC><serviceList><service><serviceType>urn:schemas-upnp-org:service:WANCommonInterfaceConfig:1</serviceType><serviceId>urn:upnp-org:serviceId:WANCommonIFC1</serviceId><controlURL>/ctl/CmnIfCfg</controlURL><eventSubURL>/evt/CmnIfCfg</eventSubURL><SCPDURL>/WANCfg.xml</SCPDURL></service></serviceList><deviceList><device><deviceType>urn:schemas-upnp-org:device:WANConnectionDevice:2</deviceType><friendlyName>WANConnectionDevice</friendlyName><manufacturer>MiniUPnP</manufacturer><manufacturerURL>http://miniupnp.free.fr/</manufacturerURL><modelDescription>MiniUPnP daemon</modelDescription><modelName>MiniUPnPd</modelName><modelNumber>20210414</modelNumber><modelURL>http://miniupnp.free.fr/</modelURL><serialNumber>00000000</serialNumber><UDN>uuid:a9708184-a6c0-413a-bbac-11bcf7e30ec0</UDN><UPC>000000000000</UPC><serviceList><service><serviceType>urn:schemas-upnp-org:service:WANIPConnection:2</serviceType><serviceId>urn:upnp-org:serviceId:WANIPConn1</serviceId><controlURL>/ctl/IPConn</controlURL><eventSubURL>/evt/IPConn</eventSubURL><SCPDURL>/WANIPCn.xml</SCPDURL></service></serviceList></device></deviceList></device></deviceList><presentationURL>http://testwifi.here/</presentationURL></device></root>`
// pfSense 2.5.0-RELEASE / FreeBSD 12.2-STABLE
pfSenseUPnPDisco = "HTTP/1.1 200 OK\r\nCACHE-CONTROL: max-age=120\r\nST: urn:schemas-upnp-org:device:InternetGatewayDevice:1\r\nUSN: uuid:bee7052b-49e8-3597-b545-55a1e38ac11::urn:schemas-upnp-org:device:InternetGatewayDevice:1\r\nEXT:\r\nSERVER: FreeBSD/12.2-STABLE UPnP/1.1 MiniUPnPd/2.2.1\r\nLOCATION: http://192.168.1.1:2189/rootDesc.xml\r\nOPT: \"http://schemas.upnp.org/upnp/1/0/\"; ns=01\r\n01-NLS: 1627958564\r\nBOOTID.UPNP.ORG: 1627958564\r\nCONFIGID.UPNP.ORG: 1337\r\n\r\n"
pfSenseRootDescXML = `<?xml version="1.0"?>
<root xmlns="urn:schemas-upnp-org:device-1-0" configId="1337"><specVersion><major>1</major><minor>1</minor></specVersion><device><deviceType>urn:schemas-upnp-org:device:InternetGatewayDevice:1</deviceType><friendlyName>FreeBSD router</friendlyName><manufacturer>FreeBSD</manufacturer><manufacturerURL>http://www.freebsd.org/</manufacturerURL><modelDescription>FreeBSD router</modelDescription><modelName>FreeBSD router</modelName><modelNumber>2.5.0-RELEASE</modelNumber><modelURL>http://www.freebsd.org/</modelURL><serialNumber>BEE7052B</serialNumber><UDN>uuid:bee7052b-49e8-3597-b545-55a1e38ac11</UDN><serviceList><service><serviceType>urn:schemas-upnp-org:service:Layer3Forwarding:1</serviceType><serviceId>urn:upnp-org:serviceId:L3Forwarding1</serviceId><SCPDURL>/L3F.xml</SCPDURL><controlURL>/ctl/L3F</controlURL><eventSubURL>/evt/L3F</eventSubURL></service></serviceList><deviceList><device><deviceType>urn:schemas-upnp-org:device:WANDevice:1</deviceType><friendlyName>WANDevice</friendlyName><manufacturer>MiniUPnP</manufacturer><manufacturerURL>http://miniupnp.free.fr/</manufacturerURL><modelDescription>WAN Device</modelDescription><modelName>WAN Device</modelName><modelNumber>20210205</modelNumber><modelURL>http://miniupnp.free.fr/</modelURL><serialNumber>BEE7052B</serialNumber><UDN>uuid:bee7052b-49e8-3597-b545-55a1e38ac12</UDN><UPC>000000000000</UPC><serviceList><service><serviceType>urn:schemas-upnp-org:service:WANCommonInterfaceConfig:1</serviceType><serviceId>urn:upnp-org:serviceId:WANCommonIFC1</serviceId><SCPDURL>/WANCfg.xml</SCPDURL><controlURL>/ctl/CmnIfCfg</controlURL><eventSubURL>/evt/CmnIfCfg</eventSubURL></service></serviceList><deviceList><device><deviceType>urn:schemas-upnp-org:device:WANConnectionDevice:1</deviceType><friendlyName>WANConnectionDevice</friendlyName><manufacturer>MiniUPnP</manufacturer><manufacturerURL>http://miniupnp.free.fr/</manufacturerURL><modelDescription>MiniUPnP daemon</modelDescription><modelName>MiniUPnPd</modelName><modelNumber>20210205</modelNumber><modelURL>http://miniupnp.free.fr/</modelURL><serialNumber>BEE7052B</serialNumber><UDN>uuid:bee7052b-49e8-3597-b545-55a1e38ac13</UDN><UPC>000000000000</UPC><serviceList><service><serviceType>urn:schemas-upnp-org:service:WANIPConnection:1</serviceType><serviceId>urn:upnp-org:serviceId:WANIPConn1</serviceId><SCPDURL>/WANIPCn.xml</SCPDURL><controlURL>/ctl/IPConn</controlURL><eventSubURL>/evt/IPConn</eventSubURL></service></serviceList></device></deviceList></device></deviceList><presentationURL>https://192.168.1.1/</presentationURL></device></root>`
// Sagemcom FAST3890V3, https://github.com/tailscale/tailscale/issues/3557
sagemcomUPnPDisco = "HTTP/1.1 200 OK\r\nCACHE-CONTROL: max-age=1800\r\nDATE: Tue, 14 Dec 2021 07:51:29 GMT\r\nEXT:\r\nLOCATION: http://192.168.0.1:49153/69692b70/gatedesc0b.xml\r\nOPT: \"http://schemas.upnp.org/upnp/1/0/\"; ns=01\r\n01-NLS: cabd6488-1dd1-11b2-9e52-a7461e1f098e\r\nSERVER: \r\nUser-Agent: redsonic\r\nST: urn:schemas-upnp-org:device:InternetGatewayDevice:1\r\nUSN: uuid:75802409-bccb-40e7-8e6c-fa095ecce13e::urn:schemas-upnp-org:device:InternetGatewayDevice:1\r\n\r\n"
// Huawei, https://github.com/tailscale/tailscale/issues/6320
huaweiUPnPDisco = "HTTP/1.1 200 OK\r\nCACHE-CONTROL: max-age=1800\r\nDATE: Fri, 25 Nov 2022 07:04:37 GMT\r\nEXT:\r\nLOCATION: http://192.168.1.1:49652/49652gatedesc.xml\r\nOPT: \"http://schemas.upnp.org/upnp/1/0/\"; ns=01\r\n01-NLS: ce8dd8b0-732d-11be-a4a1-a2b26c8915fb\r\nSERVER: Linux/4.4.240, UPnP/1.0, Portable SDK for UPnP devices/1.12.1\r\nX-User-Agent: UPnP/1.0 DLNADOC/1.50\r\nST: urn:schemas-upnp-org:device:InternetGatewayDevice:1\r\nUSN: uuid:00e0fc37-2525-2828-2500-0C31DCD93368::urn:schemas-upnp-org:device:InternetGatewayDevice:1\r\n\r\n"
)
func TestParseUPnPDiscoResponse(t *testing.T) {
tests := []struct {
name string
headers string
want uPnPDiscoResponse
}{
{"google", googleWifiUPnPDisco, uPnPDiscoResponse{
Location: "http://192.168.86.1:5000/rootDesc.xml",
Server: "Linux/5.4.0-1034-gcp UPnP/1.1 MiniUPnPd/1.9",
USN: "uuid:a9708184-a6c0-413a-bbac-11bcf7e30ece::urn:schemas-upnp-org:device:InternetGatewayDevice:2",
}},
{"pfsense", pfSenseUPnPDisco, uPnPDiscoResponse{
Location: "http://192.168.1.1:2189/rootDesc.xml",
Server: "FreeBSD/12.2-STABLE UPnP/1.1 MiniUPnPd/2.2.1",
USN: "uuid:bee7052b-49e8-3597-b545-55a1e38ac11::urn:schemas-upnp-org:device:InternetGatewayDevice:1",
}},
{"sagemcom", sagemcomUPnPDisco, uPnPDiscoResponse{
Location: "http://192.168.0.1:49153/69692b70/gatedesc0b.xml",
Server: "",
USN: "uuid:75802409-bccb-40e7-8e6c-fa095ecce13e::urn:schemas-upnp-org:device:InternetGatewayDevice:1",
}},
{"huawei", huaweiUPnPDisco, uPnPDiscoResponse{
Location: "http://192.168.1.1:49652/49652gatedesc.xml",
Server: "Linux/4.4.240, UPnP/1.0, Portable SDK for UPnP devices/1.12.1",
USN: "uuid:00e0fc37-2525-2828-2500-0C31DCD93368::urn:schemas-upnp-org:device:InternetGatewayDevice:1",
}},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, err := parseUPnPDiscoResponse([]byte(tt.headers))
if err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(got, tt.want) {
t.Errorf("unexpected result:\n got: %+v\nwant: %+v\n", got, tt.want)
}
})
}
}
func TestGetUPnPClient(t *testing.T) {
tests := []struct {
name string
xmlBody string
want string
wantLog string
}{
{
"google",
googleWifiRootDescXML,
"*internetgateway2.WANIPConnection2",
"saw UPnP type WANIPConnection2 at http://127.0.0.1:NNN/rootDesc.xml; OnHub (Google)\n",
},
{
"pfsense",
pfSenseRootDescXML,
"*internetgateway2.WANIPConnection1",
"saw UPnP type WANIPConnection1 at http://127.0.0.1:NNN/rootDesc.xml; FreeBSD router (FreeBSD)\n",
},
// TODO(bradfitz): find a PPP one in the wild
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if r.RequestURI == "/rootDesc.xml" {
io.WriteString(w, tt.xmlBody)
return
}
http.NotFound(w, r)
}))
defer ts.Close()
gw, _ := netip.AddrFromSlice(ts.Listener.Addr().(*net.TCPAddr).IP)
gw = gw.Unmap()
var logBuf tstest.MemLogger
c, err := getUPnPClient(context.Background(), logBuf.Logf, DebugKnobs{}, gw, uPnPDiscoResponse{
Location: ts.URL + "/rootDesc.xml",
})
if err != nil {
t.Fatal(err)
}
got := fmt.Sprintf("%T", c)
if got != tt.want {
t.Errorf("got %v; want %v", got, tt.want)
}
gotLog := regexp.MustCompile(`127\.0\.0\.1:\d+`).ReplaceAllString(logBuf.String(), "127.0.0.1:NNN")
if gotLog != tt.wantLog {
t.Errorf("logged %q; want %q", gotLog, tt.wantLog)
}
})
}
}
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