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Fakedns improvements (#731)

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Co-authored-by: Shelikhoo <xiaokangwang@outlook.com>
Co-authored-by: sixg0000d <sixg0000d@gmail.com>
Co-authored-by: Loyalsoldier <10487845+Loyalsoldier@users.noreply.github.com>
This commit is contained in:
yuhan6665 2021-10-20 01:15:49 -04:00 • committed by GitHub
parent e286cdcaa8
commit 6b6974c804
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GPG key ID: 4AEE18F83AFDEB23
12 changed files with 478 additions and 59 deletions
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82
app/dns/fakedns/fakedns_test.go
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@ -3,6 +3,8 @@ package fakedns
import (
"testing"
gonet "net"
"github.com/stretchr/testify/assert"
"github.com/xtls/xray-core/common"
@ -11,7 +13,7 @@ import (
"github.com/xtls/xray-core/features/dns"
)
var ipPrefix = "198.18."
var ipPrefix = "198.1"
func TestNewFakeDnsHolder(_ *testing.T) {
_, err := NewFakeDNSHolder()
@ -67,7 +69,7 @@ func TestFakeDnsHolderCreateMappingManySingleDomain(t *testing.T) {
func TestFakeDnsHolderCreateMappingAndRollOver(t *testing.T) {
fkdns, err := NewFakeDNSHolderConfigOnly(&FakeDnsPool{
IpPool: dns.FakeIPPool,
IpPool: dns.FakeIPv4Pool,
LruSize: 256,
})
common.Must(err)
@ -101,3 +103,79 @@ func TestFakeDnsHolderCreateMappingAndRollOver(t *testing.T) {
}
}
}
func TestFakeDNSMulti(t *testing.T) {
fakeMulti, err := NewFakeDNSHolderMulti(&FakeDnsPoolMulti{
Pools: []*FakeDnsPool{{
IpPool: "240.0.0.0/12",
LruSize: 256,
}, {
IpPool: "fddd:c5b4:ff5f:f4f0::/64",
LruSize: 256,
}},
},
)
common.Must(err)
err = fakeMulti.Start()
common.Must(err)
assert.Nil(t, err, "Should not throw error")
_ = fakeMulti
t.Run("checkInRange", func(t *testing.T) {
t.Run("ipv4", func(t *testing.T) {
inPool := fakeMulti.IsIPInIPPool(net.IPAddress([]byte{240, 0, 0, 5}))
assert.True(t, inPool)
})
t.Run("ipv6", func(t *testing.T) {
ip, err := gonet.ResolveIPAddr("ip", "fddd:c5b4:ff5f:f4f0::5")
assert.Nil(t, err)
inPool := fakeMulti.IsIPInIPPool(net.IPAddress(ip.IP))
assert.True(t, inPool)
})
t.Run("ipv4_inverse", func(t *testing.T) {
inPool := fakeMulti.IsIPInIPPool(net.IPAddress([]byte{241, 0, 0, 5}))
assert.False(t, inPool)
})
t.Run("ipv6_inverse", func(t *testing.T) {
ip, err := gonet.ResolveIPAddr("ip", "fcdd:c5b4:ff5f:f4f0::5")
assert.Nil(t, err)
inPool := fakeMulti.IsIPInIPPool(net.IPAddress(ip.IP))
assert.False(t, inPool)
})
})
t.Run("allocateTwoAddressForTwoPool", func(t *testing.T) {
address := fakeMulti.GetFakeIPForDomain("fakednstest.v2fly.org")
assert.Len(t, address, 2, "should be 2 address one for each pool")
t.Run("eachOfThemShouldResolve:0", func(t *testing.T) {
domain := fakeMulti.GetDomainFromFakeDNS(address[0])
assert.Equal(t, "fakednstest.v2fly.org", domain)
})
t.Run("eachOfThemShouldResolve:1", func(t *testing.T) {
domain := fakeMulti.GetDomainFromFakeDNS(address[1])
assert.Equal(t, "fakednstest.v2fly.org", domain)
})
})
t.Run("understandIPTypeSelector", func(t *testing.T) {
t.Run("ipv4", func(t *testing.T) {
address := fakeMulti.GetFakeIPForDomain3("fakednstestipv4.v2fly.org", true, false)
assert.Len(t, address, 1, "should be 1 address")
assert.True(t, address[0].Family().IsIPv4())
})
t.Run("ipv6", func(t *testing.T) {
address := fakeMulti.GetFakeIPForDomain3("fakednstestipv6.v2fly.org", false, true)
assert.Len(t, address, 1, "should be 1 address")
assert.True(t, address[0].Family().IsIPv6())
})
t.Run("ipv46", func(t *testing.T) {
address := fakeMulti.GetFakeIPForDomain3("fakednstestipv46.v2fly.org", true, true)
assert.Len(t, address, 2, "should be 2 address")
assert.True(t, address[0].Family().IsIPv4())
assert.True(t, address[1].Family().IsIPv6())
})
})
}