104 lines
2.6 KiB
Go
104 lines
2.6 KiB
Go
package fakedns
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import (
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/xtls/xray-core/common"
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"github.com/xtls/xray-core/common/net"
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"github.com/xtls/xray-core/common/uuid"
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"github.com/xtls/xray-core/features/dns"
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)
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var ipPrefix = "198.18."
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func TestNewFakeDnsHolder(_ *testing.T) {
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_, err := NewFakeDNSHolder()
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common.Must(err)
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}
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func TestFakeDnsHolderCreateMapping(t *testing.T) {
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fkdns, err := NewFakeDNSHolder()
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common.Must(err)
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addr := fkdns.GetFakeIPForDomain("fakednstest.example.com")
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assert.Equal(t, ipPrefix, addr[0].IP().String()[0:len(ipPrefix)])
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}
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func TestFakeDnsHolderCreateMappingMany(t *testing.T) {
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fkdns, err := NewFakeDNSHolder()
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common.Must(err)
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addr := fkdns.GetFakeIPForDomain("fakednstest.example.com")
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assert.Equal(t, ipPrefix, addr[0].IP().String()[0:len(ipPrefix)])
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addr2 := fkdns.GetFakeIPForDomain("fakednstest2.example.com")
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assert.Equal(t, ipPrefix, addr2[0].IP().String()[0:len(ipPrefix)])
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assert.NotEqual(t, addr[0].IP().String(), addr2[0].IP().String())
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}
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func TestFakeDnsHolderCreateMappingManyAndResolve(t *testing.T) {
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fkdns, err := NewFakeDNSHolder()
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common.Must(err)
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addr := fkdns.GetFakeIPForDomain("fakednstest.example.com")
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addr2 := fkdns.GetFakeIPForDomain("fakednstest2.example.com")
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{
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result := fkdns.GetDomainFromFakeDNS(addr[0])
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assert.Equal(t, "fakednstest.example.com", result)
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}
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{
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result := fkdns.GetDomainFromFakeDNS(addr2[0])
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assert.Equal(t, "fakednstest2.example.com", result)
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}
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}
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func TestFakeDnsHolderCreateMappingManySingleDomain(t *testing.T) {
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fkdns, err := NewFakeDNSHolder()
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common.Must(err)
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addr := fkdns.GetFakeIPForDomain("fakednstest.example.com")
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addr2 := fkdns.GetFakeIPForDomain("fakednstest.example.com")
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assert.Equal(t, addr[0].IP().String(), addr2[0].IP().String())
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}
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func TestFakeDnsHolderCreateMappingAndRollOver(t *testing.T) {
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fkdns, err := NewFakeDNSHolderConfigOnly(&FakeDnsPool{
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IpPool: dns.FakeIPPool,
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LruSize: 256,
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})
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common.Must(err)
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err = fkdns.Start()
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common.Must(err)
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addr := fkdns.GetFakeIPForDomain("fakednstest.example.com")
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addr2 := fkdns.GetFakeIPForDomain("fakednstest2.example.com")
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for i := 0; i <= 8192; i++ {
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{
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result := fkdns.GetDomainFromFakeDNS(addr[0])
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assert.Equal(t, "fakednstest.example.com", result)
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}
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{
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result := fkdns.GetDomainFromFakeDNS(addr2[0])
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assert.Equal(t, "fakednstest2.example.com", result)
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}
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{
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uuid := uuid.New()
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domain := uuid.String() + ".fakednstest.example.com"
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tempAddr := fkdns.GetFakeIPForDomain(domain)
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rsaddr := tempAddr[0].IP().String()
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result := fkdns.GetDomainFromFakeDNS(net.ParseAddress(rsaddr))
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assert.Equal(t, domain, result)
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}
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}
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}
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