Mirrors/coredns
1
0
Fork 0
mirror of https://github.com/coredns/coredns.git synced 2025-12-23 10:35:23 -05:00
Code Issues Packages Projects Releases Wiki Activity

plugin/dns64 : add support for DNS requests over IPv4 network (#4809)

Browse Source
This commit is contained in:
Ondřej Benkovský
2022-01-07 17:16:23 +01:00
committed by GitHub
parent 39a99a5bbe
commit b546031f9b
5 changed files with 106 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

52
plugin/dns64/dns64_test.go
View File

@@ -21,6 +21,58 @@ func To6(prefix, address string) (net.IP, error) {
return to6(pref, addr)
}
func TestRequestShouldIntercept(t *testing.T) {
tests := []struct {
name string
allowIpv4 bool
remoteIP string
msg *dns.Msg
want bool
}{
{
name: "should intercept request from IPv6 network - AAAA - IN",
allowIpv4: true,
remoteIP: "::1",
msg: new(dns.Msg).SetQuestion("example.com", dns.TypeAAAA),
want: true,
},
{
name: "should intercept request from IPv4 network - AAAA - IN",
allowIpv4: true,
remoteIP: "127.0.0.1",
msg: new(dns.Msg).SetQuestion("example.com", dns.TypeAAAA),
want: true,
},
{
name: "should not intercept request from IPv4 network - AAAA - IN",
allowIpv4: false,
remoteIP: "127.0.0.1",
msg: new(dns.Msg).SetQuestion("example.com", dns.TypeAAAA),
want: false,
},
{
name: "should not intercept request from IPv6 network - A - IN",
allowIpv4: false,
remoteIP: "::1",
msg: new(dns.Msg).SetQuestion("example.com", dns.TypeA),
want: false,
},
}
for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
h := DNS64{AllowIPv4: tc.allowIpv4}
rec := dnstest.NewRecorder(&test.ResponseWriter{RemoteIP: tc.remoteIP})
r := request.Request{W: rec, Req: tc.msg}
actual := h.requestShouldIntercept(&r)
if actual != tc.want {
t.Fatalf("Expected %v, but got %v", tc.want, actual)
}
})
}
}
func TestTo6(t *testing.T) {
v6, err := To6("64:ff9b::/96", "64.64.64.64")