1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
|
// Copyright 2015 The go-ethereum Authors
// This file is part of go-ethereum.
//
// go-ethereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// go-ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
package nat
import (
"fmt"
"io"
"net"
"net/http"
"strings"
"testing"
"github.com/huin/goupnp/httpu"
)
func TestUPNP_DDWRT(t *testing.T) {
dev := &fakeIGD{
t: t,
ssdpResp: "HTTP/1.1 200 OK\r\n" +
"Cache-Control: max-age=300\r\n" +
"Date: Sun, 10 May 2015 10:05:33 GMT\r\n" +
"Ext: \r\n" +
"Location: http://{{listenAddr}}/InternetGatewayDevice.xml\r\n" +
"Server: POSIX UPnP/1.0 DD-WRT Linux/V24\r\n" +
"ST: urn:schemas-upnp-org:device:WANConnectionDevice:1\r\n" +
"USN: uuid:CB2471CC-CF2E-9795-8D9C-E87B34C16800::urn:schemas-upnp-org:device:WANConnectionDevice:1\r\n" +
"\r\n",
httpResps: map[string]string{
"GET /InternetGatewayDevice.xml": `
<?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:1</deviceType>
<manufacturer>DD-WRT</manufacturer>
<manufacturerURL>http://www.dd-wrt.com</manufacturerURL>
<modelDescription>Gateway</modelDescription>
<friendlyName>Asus RT-N16:DD-WRT</friendlyName>
<modelName>Asus RT-N16</modelName>
<modelNumber>V24</modelNumber>
<serialNumber>0000001</serialNumber>
<modelURL>http://www.dd-wrt.com</modelURL>
<UDN>uuid:A13AB4C3-3A14-E386-DE6A-EFEA923A06FE</UDN>
<serviceList>
<service>
<serviceType>urn:schemas-upnp-org:service:Layer3Forwarding:1</serviceType>
<serviceId>urn:upnp-org:serviceId:L3Forwarding1</serviceId>
<SCPDURL>/x_layer3forwarding.xml</SCPDURL>
<controlURL>/control?Layer3Forwarding</controlURL>
<eventSubURL>/event?Layer3Forwarding</eventSubURL>
</service>
</serviceList>
<deviceList>
<device>
<deviceType>urn:schemas-upnp-org:device:WANDevice:1</deviceType>
<friendlyName>WANDevice</friendlyName>
<manufacturer>DD-WRT</manufacturer>
<manufacturerURL>http://www.dd-wrt.com</manufacturerURL>
<modelDescription>Gateway</modelDescription>
<modelName>router</modelName>
<modelURL>http://www.dd-wrt.com</modelURL>
<UDN>uuid:48FD569B-F9A9-96AE-4EE6-EB403D3DB91A</UDN>
<serviceList>
<service>
<serviceType>urn:schemas-upnp-org:service:WANCommonInterfaceConfig:1</serviceType>
<serviceId>urn:upnp-org:serviceId:WANCommonIFC1</serviceId>
<SCPDURL>/x_wancommoninterfaceconfig.xml</SCPDURL>
<controlURL>/control?WANCommonInterfaceConfig</controlURL>
<eventSubURL>/event?WANCommonInterfaceConfig</eventSubURL>
</service>
</serviceList>
<deviceList>
<device>
<deviceType>urn:schemas-upnp-org:device:WANConnectionDevice:1</deviceType>
<friendlyName>WAN Connection Device</friendlyName>
<manufacturer>DD-WRT</manufacturer>
<manufacturerURL>http://www.dd-wrt.com</manufacturerURL>
<modelDescription>Gateway</modelDescription>
<modelName>router</modelName>
<modelURL>http://www.dd-wrt.com</modelURL>
<UDN>uuid:CB2471CC-CF2E-9795-8D9C-E87B34C16800</UDN>
<serviceList>
<service>
<serviceType>urn:schemas-upnp-org:service:WANIPConnection:1</serviceType>
<serviceId>urn:upnp-org:serviceId:WANIPConn1</serviceId>
<SCPDURL>/x_wanipconnection.xml</SCPDURL>
<controlURL>/control?WANIPConnection</controlURL>
<eventSubURL>/event?WANIPConnection</eventSubURL>
</service>
</serviceList>
</device>
</deviceList>
</device>
<device>
<deviceType>urn:schemas-upnp-org:device:LANDevice:1</deviceType>
<friendlyName>LANDevice</friendlyName>
<manufacturer>DD-WRT</manufacturer>
<manufacturerURL>http://www.dd-wrt.com</manufacturerURL>
<modelDescription>Gateway</modelDescription>
<modelName>router</modelName>
<modelURL>http://www.dd-wrt.com</modelURL>
<UDN>uuid:04021998-3B35-2BDB-7B3C-99DA4435DA09</UDN>
<serviceList>
<service>
<serviceType>urn:schemas-upnp-org:service:LANHostConfigManagement:1</serviceType>
<serviceId>urn:upnp-org:serviceId:LANHostCfg1</serviceId>
<SCPDURL>/x_lanhostconfigmanagement.xml</SCPDURL>
<controlURL>/control?LANHostConfigManagement</controlURL>
<eventSubURL>/event?LANHostConfigManagement</eventSubURL>
</service>
</serviceList>
</device>
</deviceList>
<presentationURL>http://{{listenAddr}}</presentationURL>
</device>
</root>
`,
// The response to our GetNATRSIPStatus call. This
// particular implementation has a bug where the elements
// inside u:GetNATRSIPStatusResponse are not properly
// namespaced.
"POST /control?WANIPConnection": `
<s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/" s:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/">
<s:Body>
<u:GetNATRSIPStatusResponse xmlns:u="urn:schemas-upnp-org:service:WANIPConnection:1">
<NewRSIPAvailable>0</NewRSIPAvailable>
<NewNATEnabled>1</NewNATEnabled>
</u:GetNATRSIPStatusResponse>
</s:Body>
</s:Envelope>
`,
},
}
if err := dev.listen(); err != nil {
t.Skipf("cannot listen: %v", err)
}
dev.serve()
defer dev.close()
// Attempt to discover the fake device.
discovered := discoverUPnP()
if discovered == nil {
t.Fatalf("not discovered")
}
upnp, _ := discovered.(*upnp)
if upnp.service != "IGDv1-IP1" {
t.Errorf("upnp.service mismatch: got %q, want %q", upnp.service, "IGDv1-IP1")
}
wantURL := "http://" + dev.listener.Addr().String() + "/InternetGatewayDevice.xml"
if upnp.dev.URLBaseStr != wantURL {
t.Errorf("upnp.dev.URLBaseStr mismatch: got %q, want %q", upnp.dev.URLBaseStr, wantURL)
}
}
// fakeIGD presents itself as a discoverable UPnP device which sends
// canned responses to HTTPU and HTTP requests.
type fakeIGD struct {
t *testing.T // for logging
listener net.Listener
mcastListener *net.UDPConn
// This should be a complete HTTP response (including headers).
// It is sent as the response to any sspd packet. Any occurrence
// of "{{listenAddr}}" is replaced with the actual TCP listen
// address of the HTTP server.
ssdpResp string
// This one should contain XML payloads for all requests
// performed. The keys contain method and path, e.g. "GET /foo/bar".
// As with ssdpResp, "{{listenAddr}}" is replaced with the TCP
// listen address.
httpResps map[string]string
}
// httpu.Handler
func (dev *fakeIGD) ServeMessage(r *http.Request) {
dev.t.Logf(`HTTPU request %s %s`, r.Method, r.RequestURI)
conn, err := net.Dial("udp4", r.RemoteAddr)
if err != nil {
fmt.Printf("reply Dial error: %v", err)
return
}
defer conn.Close()
io.WriteString(conn, dev.replaceListenAddr(dev.ssdpResp))
}
// http.Handler
func (dev *fakeIGD) ServeHTTP(w http.ResponseWriter, r *http.Request) {
if resp, ok := dev.httpResps[r.Method+" "+r.RequestURI]; ok {
dev.t.Logf(`HTTP request "%s %s" --> %d`, r.Method, r.RequestURI, 200)
io.WriteString(w, dev.replaceListenAddr(resp))
} else {
dev.t.Logf(`HTTP request "%s %s" --> %d`, r.Method, r.RequestURI, 404)
w.WriteHeader(http.StatusNotFound)
}
}
func (dev *fakeIGD) replaceListenAddr(resp string) string {
return strings.Replace(resp, "{{listenAddr}}", dev.listener.Addr().String(), -1)
}
func (dev *fakeIGD) listen() (err error) {
if dev.listener, err = net.Listen("tcp", "127.0.0.1:0"); err != nil {
return err
}
laddr := &net.UDPAddr{IP: net.ParseIP("239.255.255.250"), Port: 1900}
if dev.mcastListener, err = net.ListenMulticastUDP("udp", nil, laddr); err != nil {
dev.listener.Close()
return err
}
return nil
}
func (dev *fakeIGD) serve() {
go httpu.Serve(dev.mcastListener, dev)
go http.Serve(dev.listener, dev)
}
func (dev *fakeIGD) close() {
dev.mcastListener.Close()
dev.listener.Close()
}
|
