mirror of
https://github.com/ergochat/ergo.git
synced 2024-11-22 20:09:41 +01:00
137 lines
3.9 KiB
Go
137 lines
3.9 KiB
Go
// Copyright (c) 2019 Shivaram Lingamneni
|
|
// released under the MIT license
|
|
|
|
package cloaks
|
|
|
|
import (
|
|
"net"
|
|
"reflect"
|
|
"testing"
|
|
)
|
|
|
|
func assertEqual(supplied, expected interface{}, t *testing.T) {
|
|
if !reflect.DeepEqual(supplied, expected) {
|
|
t.Errorf("expected %v but got %v", expected, supplied)
|
|
}
|
|
}
|
|
|
|
func easyParseIP(ipstr string) (result net.IP) {
|
|
result = net.ParseIP(ipstr)
|
|
if result == nil {
|
|
panic(ipstr)
|
|
}
|
|
return
|
|
}
|
|
|
|
func cloakConfForTesting() CloakConfig {
|
|
config := CloakConfig{
|
|
Enabled: true,
|
|
Netname: "oragono",
|
|
secret: "_BdVPWB5sray7McbFmeuJL996yaLgG4l9tEyficGXKg",
|
|
CidrLenIPv4: 32,
|
|
CidrLenIPv6: 64,
|
|
NumBits: 80,
|
|
}
|
|
config.Initialize()
|
|
return config
|
|
}
|
|
|
|
func TestCloakDeterminism(t *testing.T) {
|
|
config := cloakConfForTesting()
|
|
|
|
v4ip := easyParseIP("8.8.8.8").To4()
|
|
assertEqual(config.ComputeCloak(v4ip), "d2z5guriqhzwazyr.oragono", t)
|
|
// use of the 4-in-6 mapping should not affect the cloak
|
|
v6mappedIP := v4ip.To16()
|
|
assertEqual(config.ComputeCloak(v6mappedIP), "d2z5guriqhzwazyr.oragono", t)
|
|
|
|
v6ip := easyParseIP("2001:0db8::1")
|
|
assertEqual(config.ComputeCloak(v6ip), "w7ren6nxii6f3i3d.oragono", t)
|
|
// same CIDR, so same cloak:
|
|
v6ipsamecidr := easyParseIP("2001:0db8::2")
|
|
assertEqual(config.ComputeCloak(v6ipsamecidr), "w7ren6nxii6f3i3d.oragono", t)
|
|
v6ipdifferentcidr := easyParseIP("2001:0db9::1")
|
|
// different CIDR, different cloak:
|
|
assertEqual(config.ComputeCloak(v6ipdifferentcidr), "ccmptyrjwsxv4f4d.oragono", t)
|
|
|
|
// cloak values must be sensitive to changes in the secret key
|
|
config.SetSecret("HJcXK4lLawxBE4-9SIdPji_21YiL3N5r5f5-SPNrGVY")
|
|
assertEqual(config.ComputeCloak(v4ip), "4khy3usk8mfu42pe.oragono", t)
|
|
assertEqual(config.ComputeCloak(v6mappedIP), "4khy3usk8mfu42pe.oragono", t)
|
|
assertEqual(config.ComputeCloak(v6ip), "mxpk3c83vdxkek9j.oragono", t)
|
|
assertEqual(config.ComputeCloak(v6ipsamecidr), "mxpk3c83vdxkek9j.oragono", t)
|
|
}
|
|
|
|
func TestCloakShortv4Cidr(t *testing.T) {
|
|
config := CloakConfig{
|
|
Enabled: true,
|
|
Netname: "oragono",
|
|
secret: "_BdVPWB5sray7McbFmeuJL996yaLgG4l9tEyficGXKg",
|
|
CidrLenIPv4: 24,
|
|
CidrLenIPv6: 64,
|
|
NumBits: 60,
|
|
}
|
|
config.Initialize()
|
|
|
|
v4ip := easyParseIP("8.8.8.8")
|
|
assertEqual(config.ComputeCloak(v4ip), "3cay3zc72tnui.oragono", t)
|
|
v4ipsamecidr := easyParseIP("8.8.8.9")
|
|
assertEqual(config.ComputeCloak(v4ipsamecidr), "3cay3zc72tnui.oragono", t)
|
|
}
|
|
|
|
func TestCloakZeroBits(t *testing.T) {
|
|
config := cloakConfForTesting()
|
|
config.NumBits = 0
|
|
config.Netname = "example.com"
|
|
config.Initialize()
|
|
|
|
v4ip := easyParseIP("8.8.8.8").To4()
|
|
assertEqual(config.ComputeCloak(v4ip), "example.com", t)
|
|
}
|
|
|
|
func TestCloakDisabled(t *testing.T) {
|
|
config := cloakConfForTesting()
|
|
config.Enabled = false
|
|
v4ip := easyParseIP("8.8.8.8").To4()
|
|
assertEqual(config.ComputeCloak(v4ip), "", t)
|
|
}
|
|
|
|
func BenchmarkCloaks(b *testing.B) {
|
|
config := cloakConfForTesting()
|
|
v6ip := easyParseIP("2001:0db8::1")
|
|
b.ResetTimer()
|
|
for i := 0; i < b.N; i++ {
|
|
config.ComputeCloak(v6ip)
|
|
}
|
|
}
|
|
|
|
func TestAccountCloak(t *testing.T) {
|
|
config := cloakConfForTesting()
|
|
|
|
// just assert that we get all distinct values
|
|
assertEqual(config.ComputeAccountCloak("shivaram"), "8yu8kunudb45ztxm.oragono", t)
|
|
assertEqual(config.ComputeAccountCloak("dolph🐬n"), "hhgeqsvzeagv3wjw.oragono", t)
|
|
assertEqual(config.ComputeAccountCloak("SHIVARAM"), "bgx32x4r7qzih4uh.oragono", t)
|
|
assertEqual(config.ComputeAccountCloak("ed"), "j5autmgxtdjdyzf4.oragono", t)
|
|
}
|
|
|
|
func TestAccountCloakCollisions(t *testing.T) {
|
|
config := cloakConfForTesting()
|
|
|
|
v4ip := easyParseIP("97.97.97.97")
|
|
v4cloak := config.ComputeCloak(v4ip)
|
|
// "aaaa" is the same bytestring as 97.97.97.97
|
|
aaaacloak := config.ComputeAccountCloak("aaaa")
|
|
if v4cloak == aaaacloak {
|
|
t.Errorf("cloak collision between 97.97.97.97 and aaaa: %s", v4cloak)
|
|
}
|
|
}
|
|
|
|
func BenchmarkAccountCloaks(b *testing.B) {
|
|
config := cloakConfForTesting()
|
|
b.ResetTimer()
|
|
for i := 0; i < b.N; i++ {
|
|
config.ComputeAccountCloak("shivaram")
|
|
}
|
|
}
|