// Copyright (c) 2013-2014 Conformal Systems LLC.
// Use of this source code is governed by an ISC
// license that can be found in the LICENSE file.
package addrmgr_test
import (
"net"
"testing"
"time"
"github.com/conformal/btcd/addrmgr"
"github.com/conformal/btcwire"
)
// TestIPTypes ensures the various functions which determine the type of an IP
// address based on RFCs work as intended.
func TestIPTypes(t *testing.T) {
type ipTest struct {
in btcwire.NetAddress
rfc1918 bool
rfc3849 bool
rfc3927 bool
rfc3964 bool
rfc4193 bool
rfc4380 bool
rfc4843 bool
rfc4862 bool
rfc6052 bool
rfc6145 bool
local bool
valid bool
routable bool
}
newIPTest := func(ip string, rfc1918, rfc3849, rfc3927, rfc3964,
rfc4193, rfc4380, rfc4843, rfc4862, rfc6052, rfc6145, local,
valid, routable bool) ipTest {
nip := net.ParseIP(ip)
na := btcwire.NetAddress{
Timestamp: time.Now(),
Services: btcwire.SFNodeNetwork,
IP: nip,
Port: 8333,
}
test := ipTest{na, rfc1918, rfc3849, rfc3927, rfc3964, rfc4193, rfc4380,
rfc4843, rfc4862, rfc6052, rfc6145, local, valid, routable}
return test
}
tests := []ipTest{
newIPTest("10.255.255.255", true, false, false, false, false,
false, false, false, false, false, false, true, false),
newIPTest("192.168.0.1", true, false, false, false, false,
false, false, false, false, false, false, true, false),
newIPTest("172.31.255.1", true, false, false, false, false,
false, false, false, false, false, false, true, false),
newIPTest("172.32.1.1", false, false, false, false, false,
false, false, false, false, false, false, true, true),
newIPTest("169.254.250.120", false, false, true, false, false,
false, false, false, false, false, false, true, false),
newIPTest("0.0.0.0", false, false, false, false, false, false,
false, false, false, false, true, false, false),
newIPTest("255.255.255.255", false, false, false, false, false,
false, false, false, false, false, false, false, false),
newIPTest("127.0.0.1", false, false, false, false, false,
false, false, false, false, false, true, true, false),
newIPTest("fd00:dead::1", false, false, false, false, true,
false, false, false, false, false, false, true, false),
newIPTest("2001::1", false, false, false, false, false,
true, false, false, false, false, false, true, true),
newIPTest("2001:10:abcd::1:1", false, false, false, false, false,
false, true, false, false, false, false, true, false),
newIPTest("fe80::1", false, false, false, false, false,
false, false, true, false, false, false, true, false),
newIPTest("fe80:1::1", false, false, false, false, false,
false, false, false, false, false, false, true, true),
newIPTest("64:ff9b::1", false, false, false, false, false,
false, false, false, true, false, false, true, true),
newIPTest("::ffff:abcd:ef12:1", false, false, false, false, false,
false, false, false, false, false, false, true, true),
newIPTest("::1", false, false, false, false, false,
false, false, false, false, false, true, true, false),
}
t.Logf("Running %d tests", len(tests))
for _, test := range tests {
if rv := addrmgr.IsRFC1918(&test.in); rv != test.rfc1918 {
t.Errorf("IsRFC1918 %s\n got: %v want: %v", test.in.IP, rv, test.rfc1918)
}
if rv := addrmgr.IsRFC3849(&test.in); rv != test.rfc3849 {
t.Errorf("IsRFC3849 %s\n got: %v want: %v", test.in.IP, rv, test.rfc3849)
}
if rv := addrmgr.IsRFC3927(&test.in); rv != test.rfc3927 {
t.Errorf("IsRFC3927 %s\n got: %v want: %v", test.in.IP, rv, test.rfc3927)
}
if rv := addrmgr.IsRFC3964(&test.in); rv != test.rfc3964 {
t.Errorf("IsRFC3964 %s\n got: %v want: %v", test.in.IP, rv, test.rfc3964)
}
if rv := addrmgr.IsRFC4193(&test.in); rv != test.rfc4193 {
t.Errorf("IsRFC4193 %s\n got: %v want: %v", test.in.IP, rv, test.rfc4193)
}
if rv := addrmgr.IsRFC4380(&test.in); rv != test.rfc4380 {
t.Errorf("IsRFC4380 %s\n got: %v want: %v", test.in.IP, rv, test.rfc4380)
}
if rv := addrmgr.IsRFC4843(&test.in); rv != test.rfc4843 {
t.Errorf("IsRFC4843 %s\n got: %v want: %v", test.in.IP, rv, test.rfc4843)
}
if rv := addrmgr.IsRFC4862(&test.in); rv != test.rfc4862 {
t.Errorf("IsRFC4862 %s\n got: %v want: %v", test.in.IP, rv, test.rfc4862)
}
if rv := addrmgr.IsRFC6052(&test.in); rv != test.rfc6052 {
t.Errorf("isRFC6052 %s\n got: %v want: %v", test.in.IP, rv, test.rfc6052)
}
if rv := addrmgr.IsRFC6145(&test.in); rv != test.rfc6145 {
t.Errorf("IsRFC1918 %s\n got: %v want: %v", test.in.IP, rv, test.rfc6145)
}
if rv := addrmgr.IsLocal(&test.in); rv != test.local {
t.Errorf("IsLocal %s\n got: %v want: %v", test.in.IP, rv, test.local)
}
if rv := addrmgr.IsValid(&test.in); rv != test.valid {
t.Errorf("IsValid %s\n got: %v want: %v", test.in.IP, rv, test.valid)
}
if rv := addrmgr.IsRoutable(&test.in); rv != test.routable {
t.Errorf("IsRoutable %s\n got: %v want: %v", test.in.IP, rv, test.routable)
}
}
}
// TestGroupKey tests the GroupKey function to ensure it properly groups various
// IP addresses.
func TestGroupKey(t *testing.T) {
tests := []struct {
name string
ip string
expected string
}{
// Local addresses.
{name: "ipv4 localhost", ip: "127.0.0.1", expected: "local"},
{name: "ipv6 localhost", ip: "::1", expected: "local"},
{name: "ipv4 zero", ip: "0.0.0.0", expected: "local"},
{name: "ipv4 first octet zero", ip: "0.1.2.3", expected: "local"},
// Unroutable addresses.
{name: "ipv4 invalid bcast", ip: "255.255.255.255", expected: "unroutable"},
{name: "ipv4 rfc1918 10/8", ip: "10.1.2.3", expected: "unroutable"},
{name: "ipv4 rfc1918 172.16/12", ip: "172.16.1.2", expected: "unroutable"},
{name: "ipv4 rfc1918 192.168/16", ip: "192.168.1.2", expected: "unroutable"},
{name: "ipv6 rfc3849 2001:db8::/32", ip: "2001:db8::1234", expected: "unroutable"},
{name: "ipv4 rfc3927 169.254/16", ip: "169.254.1.2", expected: "unroutable"},
{name: "ipv6 rfc4193 fc00::/7", ip: "fc00::1234", expected: "unroutable"},
{name: "ipv6 rfc4843 2001:10::/28", ip: "2001:10::1234", expected: "unroutable"},
{name: "ipv6 rfc4862 fe80::/64", ip: "fe80::1234", expected: "unroutable"},
// IPv4 normal.
{name: "ipv4 normal class a", ip: "12.1.2.3", expected: "12.1.0.0"},
{name: "ipv4 normal class b", ip: "173.1.2.3", expected: "173.1.0.0"},
{name: "ipv4 normal class c", ip: "196.1.2.3", expected: "196.1.0.0"},
// IPv6/IPv4 translations.
{name: "ipv6 rfc3964 with ipv4 encap", ip: "2002:0c01:0203::", expected: "12.1.0.0"},
{name: "ipv6 rfc4380 toredo ipv4", ip: "2001:0:1234::f3fe:fdfc", expected: "12.1.0.0"},
{name: "ipv6 rfc6052 well-known prefix with ipv4", ip: "64:ff9b::0c01:0203", expected: "12.1.0.0"},
{name: "ipv6 rfc6145 translated ipv4", ip: "::ffff:0:0c01:0203", expected: "12.1.0.0"},
// Tor.
{name: "ipv6 tor onioncat", ip: "fd87:d87e:eb43:1234::5678", expected: "tor:2"},
{name: "ipv6 tor onioncat 2", ip: "fd87:d87e:eb43:1245::6789", expected: "tor:2"},
{name: "ipv6 tor onioncat 3", ip: "fd87:d87e:eb43:1345::6789", expected: "tor:3"},
// IPv6 normal.
{name: "ipv6 normal", ip: "2602:100::1", expected: "2602:100::"},
{name: "ipv6 normal 2", ip: "2602:0100::1234", expected: "2602:100::"},
{name: "ipv6 hurricane electric", ip: "2001:470:1f10:a1::2", expected: "2001:470:1000::"},
{name: "ipv6 hurricane electric 2", ip: "2001:0470:1f10:a1::2", expected: "2001:470:1000::"},
}
for i, test := range tests {
nip := net.ParseIP(test.ip)
na := btcwire.NetAddress{
Timestamp: time.Now(),
Services: btcwire.SFNodeNetwork,
IP: nip,
Port: 8333,
}
if key := addrmgr.GroupKey(&na); key != test.expected {
t.Errorf("TestGroupKey #%d (%s): unexpected group key "+
"- got '%s', want '%s'", i, test.name,
key, test.expected)
}
}
}