net/portmap: add test of Mikrotik Root Desc XML.
Unfortunately in the test we can't reproduce the failure seen
in the real system ("SOAP fault: UPnPError")
Updates https://github.com/tailscale/tailscale/issues/8364
Signed-off-by: Denton Gentry <dgentry@tailscale.com>
This commit is contained in:
Denton Gentry
Denton Gentry
parent
d46a4eced5
commit
137e9f4c46
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@ -38,6 +38,133 @@ const (
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// Huawei, https://github.com/tailscale/tailscale/issues/6320
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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"
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// Mikrotik CHR v7.10, https://github.com/tailscale/tailscale/issues/8364
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mikrotikRootDescXML = `<?xml version="1.0"?>
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<root xmlns="urn:schemas-upnp-org:device-1-0">
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<specVersion>
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<major>1</major>
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<minor>0</minor>
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</specVersion>
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<device>
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<deviceType>urn:schemas-upnp-org:device:InternetGatewayDevice:1</deviceType>
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<friendlyName>MikroTik Router</friendlyName>
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<manufacturer>MikroTik</manufacturer>
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<manufacturerURL>https://www.mikrotik.com/</manufacturerURL>
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<modelName>Router OS</modelName>
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<UDN>uuid:UUID-MIKROTIK-INTERNET-GATEWAY-DEVICE-</UDN>
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<iconList>
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<icon>
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<mimetype>image/gif</mimetype>
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<width>16</width>
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<height>16</height>
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<depth>8</depth>
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<url>/logo16.gif</url>
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</icon>
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<icon>
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<mimetype>image/gif</mimetype>
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<width>32</width>
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<height>32</height>
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<depth>8</depth>
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<url>/logo32.gif</url>
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</icon>
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<icon>
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<mimetype>image/gif</mimetype>
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<width>48</width>
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<height>48</height>
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<depth>8</depth>
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<url>/logo48.gif</url>
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</icon>
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</iconList>
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<serviceList>
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<service>
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<serviceType>urn:schemas-microsoft-com:service:OSInfo:1</serviceType>
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<serviceId>urn:microsoft-com:serviceId:OSInfo1</serviceId>
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<SCPDURL>/osinfo.xml</SCPDURL>
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<controlURL>/upnp/control/oqjsxqshhz/osinfo</controlURL>
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<eventSubURL>/upnp/event/cwzcyndrjf/osinfo</eventSubURL>
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</service>
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</serviceList>
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<deviceList>
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<device>
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<deviceType>urn:schemas-upnp-org:device:WANDevice:1</deviceType>
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<friendlyName>WAN Device</friendlyName>
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<manufacturer>MikroTik</manufacturer>
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<manufacturerURL>https://www.mikrotik.com/</manufacturerURL>
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<modelName>Router OS</modelName>
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<UDN>uuid:UUID-MIKROTIK-WAN-DEVICE--1</UDN>
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<serviceList>
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<service>
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<serviceType>urn:schemas-upnp-org:service:WANCommonInterfaceConfig:1</serviceType>
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<serviceId>urn:upnp-org:serviceId:WANCommonIFC1</serviceId>
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<SCPDURL>/wancommonifc-1.xml</SCPDURL>
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<controlURL>/upnp/control/ivvmxhunyq/wancommonifc-1</controlURL>
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<eventSubURL>/upnp/event/mkjzdqvryf/wancommonifc-1</eventSubURL>
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</service>
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</serviceList>
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<deviceList>
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<device>
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<deviceType>urn:schemas-upnp-org:device:WANConnectionDevice:1</deviceType>
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<friendlyName>WAN Connection Device</friendlyName>
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<manufacturer>MikroTik</manufacturer>
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<manufacturerURL>https://www.mikrotik.com/</manufacturerURL>
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<modelName>Router OS</modelName>
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<UDN>uuid:UUID-MIKROTIK-WAN-CONNECTION-DEVICE--1</UDN>
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<serviceList>
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<service>
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<serviceType>urn:schemas-upnp-org:service:WANIPConnection:1</serviceType>
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<serviceId>urn:upnp-org:serviceId:WANIPConn1</serviceId>
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<SCPDURL>/wanipconn-1.xml</SCPDURL>
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<controlURL>/upnp/control/yomkmsnooi/wanipconn-1</controlURL>
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<eventSubURL>/upnp/event/veeabhzzva/wanipconn-1</eventSubURL>
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</service>
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</serviceList>
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</device>
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</deviceList>
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</device>
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<device>
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<deviceType>urn:schemas-upnp-org:device:WANDevice:1</deviceType>
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<friendlyName>WAN Device</friendlyName>
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<manufacturer>MikroTik</manufacturer>
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<manufacturerURL>https://www.mikrotik.com/</manufacturerURL>
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<modelName>Router OS</modelName>
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<UDN>uuid:UUID-MIKROTIK-WAN-DEVICE--7</UDN>
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<serviceList>
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<service>
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<serviceType>urn:schemas-upnp-org:service:WANCommonInterfaceConfig:1</serviceType>
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<serviceId>urn:upnp-org:serviceId:WANCommonIFC1</serviceId>
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<SCPDURL>/wancommonifc-7.xml</SCPDURL>
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<controlURL>/upnp/control/vzcyyzzttz/wancommonifc-7</controlURL>
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<eventSubURL>/upnp/event/womwbqtbkq/wancommonifc-7</eventSubURL>
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</service>
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</serviceList>
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<deviceList>
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<device>
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<deviceType>urn:schemas-upnp-org:device:WANConnectionDevice:1</deviceType>
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<friendlyName>WAN Connection Device</friendlyName>
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<manufacturer>MikroTik</manufacturer>
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<manufacturerURL>https://www.mikrotik.com/</manufacturerURL>
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<modelName>Router OS</modelName>
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<UDN>uuid:UUID-MIKROTIK-WAN-CONNECTION-DEVICE--7</UDN>
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<serviceList>
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<service>
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<serviceType>urn:schemas-upnp-org:service:WANIPConnection:1</serviceType>
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<serviceId>urn:upnp-org:serviceId:WANIPConn1</serviceId>
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<SCPDURL>/wanipconn-7.xml</SCPDURL>
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<controlURL>/upnp/control/xstnsgeuyh/wanipconn-7</controlURL>
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<eventSubURL>/upnp/event/rscixkusbs/wanipconn-7</eventSubURL>
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</service>
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</serviceList>
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</device>
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</deviceList>
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</device>
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</deviceList>
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<disabledForTestPresentationURL>http://10.0.0.1/</disabledForTestPresentationURL>
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<presentationURL>http://127.0.0.1/</presentationURL>
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</device>
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<disabledForTestURLBase>http://10.0.0.1:2828</disabledForTestURLBase>
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</root>
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`
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)
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func TestParseUPnPDiscoResponse(t *testing.T) {
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@ -99,6 +226,12 @@ func TestGetUPnPClient(t *testing.T) {
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"*internetgateway2.WANIPConnection1",
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"saw UPnP type WANIPConnection1 at http://127.0.0.1:NNN/rootDesc.xml; FreeBSD router (FreeBSD)\n",
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},
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{
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"mikrotik",
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mikrotikRootDescXML,
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"*internetgateway2.WANIPConnection1",
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"saw UPnP type WANIPConnection1 at http://127.0.0.1:NNN/rootDesc.xml; MikroTik Router (MikroTik)\n",
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},
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// TODO(bradfitz): find a PPP one in the wild
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}
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for _, tt := range tests {
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@ -139,11 +272,7 @@ func TestGetUPnPPortMapping(t *testing.T) {
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}
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defer igd.Close()
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c := newTestClient(t, igd)
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t.Logf("Listening on upnp=%v", c.testUPnPPort)
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defer c.Close()
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c.debug.VerboseLogs = true
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rootDesc := ""
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// This is a very basic fake UPnP server handler.
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var sawRequestWithLease atomic.Bool
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@ -151,8 +280,8 @@ func TestGetUPnPPortMapping(t *testing.T) {
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t.Logf("got UPnP request %s %s", r.Method, r.URL.Path)
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switch r.URL.Path {
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case "/rootDesc.xml":
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io.WriteString(w, testRootDesc)
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case "/ctl/IPConn":
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io.WriteString(w, rootDesc)
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case "/ctl/IPConn", "/upnp/control/yomkmsnooi/wanipconn-1":
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body, err := io.ReadAll(r.Body)
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if err != nil {
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t.Errorf("error reading request body: %v", err)
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@ -223,31 +352,43 @@ func TestGetUPnPPortMapping(t *testing.T) {
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}))
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ctx := context.Background()
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res, err := c.Probe(ctx)
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if err != nil {
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t.Fatalf("Probe: %v", err)
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}
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if !res.UPnP {
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t.Errorf("didn't detect UPnP")
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}
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gw, myIP, ok := c.gatewayAndSelfIP()
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if !ok {
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t.Fatalf("could not get gateway and self IP")
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}
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t.Logf("gw=%v myIP=%v", gw, myIP)
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rootDescsToTest := []string{testRootDesc, mikrotikRootDescXML}
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ext, ok := c.getUPnPPortMapping(ctx, gw, netip.AddrPortFrom(myIP, 12345), 0)
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if !ok {
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t.Fatal("could not get UPnP port mapping")
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for _, rootDesc = range rootDescsToTest {
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c := newTestClient(t, igd)
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t.Logf("Listening on upnp=%v", c.testUPnPPort)
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defer c.Close()
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c.debug.VerboseLogs = true
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sawRequestWithLease.Store(false)
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res, err := c.Probe(ctx)
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if err != nil {
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t.Fatalf("Probe: %v", err)
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}
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if !res.UPnP {
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t.Errorf("didn't detect UPnP")
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}
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gw, myIP, ok := c.gatewayAndSelfIP()
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if !ok {
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t.Fatalf("could not get gateway and self IP")
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}
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t.Logf("gw=%v myIP=%v", gw, myIP)
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ext, ok := c.getUPnPPortMapping(ctx, gw, netip.AddrPortFrom(myIP, 12345), 0)
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if !ok {
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t.Fatal("could not get UPnP port mapping")
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}
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if got, want := ext.Addr(), netip.MustParseAddr("123.123.123.123"); got != want {
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t.Errorf("bad external address; got %v want %v", got, want)
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}
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if !sawRequestWithLease.Load() {
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t.Errorf("wanted request with lease, but didn't see one")
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}
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t.Logf("external IP: %v", ext)
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}
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if got, want := ext.Addr(), netip.MustParseAddr("123.123.123.123"); got != want {
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t.Errorf("bad external address; got %v want %v", got, want)
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}
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if !sawRequestWithLease.Load() {
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t.Errorf("wanted request with lease, but didn't see one")
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}
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t.Logf("external IP: %v", ext)
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}
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const testRootDesc = `<?xml version="1.0"?>
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