mirror of
https://github.com/XTLS/Xray-core.git
synced 2024-09-12 05:46:25 +00:00
Co-authored-by: Shelikhoo <xiaokangwang@outlook.com> Co-authored-by: sixg0000d <sixg0000d@gmail.com> Co-authored-by: Loyalsoldier <10487845+Loyalsoldier@users.noreply.github.com>
182 lines
5.1 KiB
Go
182 lines
5.1 KiB
Go
package fakedns
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import (
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"testing"
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gonet "net"
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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 = "198.1"
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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.FakeIPv4Pool,
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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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func TestFakeDNSMulti(t *testing.T) {
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fakeMulti, err := NewFakeDNSHolderMulti(&FakeDnsPoolMulti{
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Pools: []*FakeDnsPool{{
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IpPool: "240.0.0.0/12",
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LruSize: 256,
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}, {
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IpPool: "fddd:c5b4:ff5f:f4f0::/64",
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LruSize: 256,
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}},
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},
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)
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common.Must(err)
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err = fakeMulti.Start()
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common.Must(err)
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assert.Nil(t, err, "Should not throw error")
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_ = fakeMulti
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t.Run("checkInRange", func(t *testing.T) {
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t.Run("ipv4", func(t *testing.T) {
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inPool := fakeMulti.IsIPInIPPool(net.IPAddress([]byte{240, 0, 0, 5}))
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assert.True(t, inPool)
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})
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t.Run("ipv6", func(t *testing.T) {
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ip, err := gonet.ResolveIPAddr("ip", "fddd:c5b4:ff5f:f4f0::5")
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assert.Nil(t, err)
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inPool := fakeMulti.IsIPInIPPool(net.IPAddress(ip.IP))
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assert.True(t, inPool)
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})
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t.Run("ipv4_inverse", func(t *testing.T) {
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inPool := fakeMulti.IsIPInIPPool(net.IPAddress([]byte{241, 0, 0, 5}))
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assert.False(t, inPool)
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})
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t.Run("ipv6_inverse", func(t *testing.T) {
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ip, err := gonet.ResolveIPAddr("ip", "fcdd:c5b4:ff5f:f4f0::5")
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assert.Nil(t, err)
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inPool := fakeMulti.IsIPInIPPool(net.IPAddress(ip.IP))
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assert.False(t, inPool)
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})
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})
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t.Run("allocateTwoAddressForTwoPool", func(t *testing.T) {
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address := fakeMulti.GetFakeIPForDomain("fakednstest.v2fly.org")
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assert.Len(t, address, 2, "should be 2 address one for each pool")
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t.Run("eachOfThemShouldResolve:0", func(t *testing.T) {
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domain := fakeMulti.GetDomainFromFakeDNS(address[0])
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assert.Equal(t, "fakednstest.v2fly.org", domain)
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})
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t.Run("eachOfThemShouldResolve:1", func(t *testing.T) {
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domain := fakeMulti.GetDomainFromFakeDNS(address[1])
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assert.Equal(t, "fakednstest.v2fly.org", domain)
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})
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})
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t.Run("understandIPTypeSelector", func(t *testing.T) {
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t.Run("ipv4", func(t *testing.T) {
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address := fakeMulti.GetFakeIPForDomain3("fakednstestipv4.v2fly.org", true, false)
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assert.Len(t, address, 1, "should be 1 address")
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assert.True(t, address[0].Family().IsIPv4())
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})
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t.Run("ipv6", func(t *testing.T) {
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address := fakeMulti.GetFakeIPForDomain3("fakednstestipv6.v2fly.org", false, true)
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assert.Len(t, address, 1, "should be 1 address")
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assert.True(t, address[0].Family().IsIPv6())
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})
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t.Run("ipv46", func(t *testing.T) {
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address := fakeMulti.GetFakeIPForDomain3("fakednstestipv46.v2fly.org", true, true)
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assert.Len(t, address, 2, "should be 2 address")
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assert.True(t, address[0].Family().IsIPv4())
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assert.True(t, address[1].Family().IsIPv6())
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})
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})
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}
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