318 lines
6.5 KiB
Go
318 lines
6.5 KiB
Go
package whitelist
|
|
|
|
import (
|
|
"net"
|
|
"testing"
|
|
|
|
"github.com/stretchr/testify/assert"
|
|
"github.com/stretchr/testify/require"
|
|
)
|
|
|
|
func TestNew(t *testing.T) {
|
|
cases := []struct {
|
|
desc string
|
|
whitelistStrings []string
|
|
expectedWhitelists []*net.IPNet
|
|
errMessage string
|
|
}{
|
|
{
|
|
desc: "nil whitelist",
|
|
whitelistStrings: nil,
|
|
expectedWhitelists: nil,
|
|
errMessage: "no whiteListsNet provided",
|
|
}, {
|
|
desc: "empty whitelist",
|
|
whitelistStrings: []string{},
|
|
expectedWhitelists: nil,
|
|
errMessage: "no whiteListsNet provided",
|
|
}, {
|
|
desc: "whitelist containing empty string",
|
|
whitelistStrings: []string{
|
|
"1.2.3.4/24",
|
|
"",
|
|
"fe80::/16",
|
|
},
|
|
expectedWhitelists: nil,
|
|
errMessage: "parsing CIDR whitelist <nil>: invalid CIDR address: ",
|
|
}, {
|
|
desc: "whitelist containing only an empty string",
|
|
whitelistStrings: []string{
|
|
"",
|
|
},
|
|
expectedWhitelists: nil,
|
|
errMessage: "parsing CIDR whitelist <nil>: invalid CIDR address: ",
|
|
}, {
|
|
desc: "whitelist containing an invalid string",
|
|
whitelistStrings: []string{
|
|
"foo",
|
|
},
|
|
expectedWhitelists: nil,
|
|
errMessage: "parsing CIDR whitelist <nil>: invalid CIDR address: foo",
|
|
}, {
|
|
desc: "IPv4 & IPv6 whitelist",
|
|
whitelistStrings: []string{
|
|
"1.2.3.4/24",
|
|
"fe80::/16",
|
|
},
|
|
expectedWhitelists: []*net.IPNet{
|
|
{IP: net.IPv4(1, 2, 3, 0).To4(), Mask: net.IPv4Mask(255, 255, 255, 0)},
|
|
{IP: net.ParseIP("fe80::"), Mask: net.IPMask(net.ParseIP("ffff::"))},
|
|
},
|
|
errMessage: "",
|
|
}, {
|
|
desc: "IPv4 only",
|
|
whitelistStrings: []string{
|
|
"127.0.0.1/8",
|
|
},
|
|
expectedWhitelists: []*net.IPNet{
|
|
{IP: net.IPv4(127, 0, 0, 0).To4(), Mask: net.IPv4Mask(255, 0, 0, 0)},
|
|
},
|
|
errMessage: "",
|
|
},
|
|
}
|
|
|
|
for _, test := range cases {
|
|
test := test
|
|
t.Run(test.desc, func(t *testing.T) {
|
|
t.Parallel()
|
|
whitelister, err := NewIP(test.whitelistStrings, false)
|
|
if test.errMessage != "" {
|
|
require.EqualError(t, err, test.errMessage)
|
|
} else {
|
|
require.NoError(t, err)
|
|
for index, actual := range whitelister.whiteListsNet {
|
|
expected := test.expectedWhitelists[index]
|
|
assert.Equal(t, expected.IP, actual.IP)
|
|
assert.Equal(t, expected.Mask.String(), actual.Mask.String())
|
|
}
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestIsAllowed(t *testing.T) {
|
|
cases := []struct {
|
|
desc string
|
|
whitelistStrings []string
|
|
passIPs []string
|
|
rejectIPs []string
|
|
}{
|
|
{
|
|
desc: "IPv4",
|
|
whitelistStrings: []string{
|
|
"1.2.3.4/24",
|
|
},
|
|
passIPs: []string{
|
|
"1.2.3.1",
|
|
"1.2.3.32",
|
|
"1.2.3.156",
|
|
"1.2.3.255",
|
|
},
|
|
rejectIPs: []string{
|
|
"1.2.16.1",
|
|
"1.2.32.1",
|
|
"127.0.0.1",
|
|
"8.8.8.8",
|
|
},
|
|
},
|
|
{
|
|
desc: "IPv4 single IP",
|
|
whitelistStrings: []string{
|
|
"8.8.8.8",
|
|
},
|
|
passIPs: []string{
|
|
"8.8.8.8",
|
|
},
|
|
rejectIPs: []string{
|
|
"8.8.8.7",
|
|
"8.8.8.9",
|
|
"8.8.8.0",
|
|
"8.8.8.255",
|
|
"4.4.4.4",
|
|
"127.0.0.1",
|
|
},
|
|
},
|
|
{
|
|
desc: "IPv4 Net single IP",
|
|
whitelistStrings: []string{
|
|
"8.8.8.8/32",
|
|
},
|
|
passIPs: []string{
|
|
"8.8.8.8",
|
|
},
|
|
rejectIPs: []string{
|
|
"8.8.8.7",
|
|
"8.8.8.9",
|
|
"8.8.8.0",
|
|
"8.8.8.255",
|
|
"4.4.4.4",
|
|
"127.0.0.1",
|
|
},
|
|
},
|
|
{
|
|
desc: "multiple IPv4",
|
|
whitelistStrings: []string{
|
|
"1.2.3.4/24",
|
|
"8.8.8.8/8",
|
|
},
|
|
passIPs: []string{
|
|
"1.2.3.1",
|
|
"1.2.3.32",
|
|
"1.2.3.156",
|
|
"1.2.3.255",
|
|
"8.8.4.4",
|
|
"8.0.0.1",
|
|
"8.32.42.128",
|
|
"8.255.255.255",
|
|
},
|
|
rejectIPs: []string{
|
|
"1.2.16.1",
|
|
"1.2.32.1",
|
|
"127.0.0.1",
|
|
"4.4.4.4",
|
|
"4.8.8.8",
|
|
},
|
|
},
|
|
{
|
|
desc: "IPv6",
|
|
whitelistStrings: []string{
|
|
"2a03:4000:6:d080::/64",
|
|
},
|
|
passIPs: []string{
|
|
"2a03:4000:6:d080::",
|
|
"2a03:4000:6:d080::1",
|
|
"2a03:4000:6:d080:dead:beef:ffff:ffff",
|
|
"2a03:4000:6:d080::42",
|
|
},
|
|
rejectIPs: []string{
|
|
"2a03:4000:7:d080::",
|
|
"2a03:4000:7:d080::1",
|
|
"fe80::",
|
|
"4242::1",
|
|
},
|
|
},
|
|
{
|
|
desc: "IPv6 single IP",
|
|
whitelistStrings: []string{
|
|
"2a03:4000:6:d080::42/128",
|
|
},
|
|
passIPs: []string{
|
|
"2a03:4000:6:d080::42",
|
|
},
|
|
rejectIPs: []string{
|
|
"2a03:4000:6:d080::1",
|
|
"2a03:4000:6:d080:dead:beef:ffff:ffff",
|
|
"2a03:4000:6:d080::43",
|
|
},
|
|
},
|
|
{
|
|
desc: "multiple IPv6",
|
|
whitelistStrings: []string{
|
|
"2a03:4000:6:d080::/64",
|
|
"fe80::/16",
|
|
},
|
|
passIPs: []string{
|
|
"2a03:4000:6:d080::",
|
|
"2a03:4000:6:d080::1",
|
|
"2a03:4000:6:d080:dead:beef:ffff:ffff",
|
|
"2a03:4000:6:d080::42",
|
|
"fe80::1",
|
|
"fe80:aa00:00bb:4232:ff00:eeee:00ff:1111",
|
|
"fe80::fe80",
|
|
},
|
|
rejectIPs: []string{
|
|
"2a03:4000:7:d080::",
|
|
"2a03:4000:7:d080::1",
|
|
"4242::1",
|
|
},
|
|
},
|
|
{
|
|
desc: "multiple IPv6 & IPv4",
|
|
whitelistStrings: []string{
|
|
"2a03:4000:6:d080::/64",
|
|
"fe80::/16",
|
|
"1.2.3.4/24",
|
|
"8.8.8.8/8",
|
|
},
|
|
passIPs: []string{
|
|
"2a03:4000:6:d080::",
|
|
"2a03:4000:6:d080::1",
|
|
"2a03:4000:6:d080:dead:beef:ffff:ffff",
|
|
"2a03:4000:6:d080::42",
|
|
"fe80::1",
|
|
"fe80:aa00:00bb:4232:ff00:eeee:00ff:1111",
|
|
"fe80::fe80",
|
|
"1.2.3.1",
|
|
"1.2.3.32",
|
|
"1.2.3.156",
|
|
"1.2.3.255",
|
|
"8.8.4.4",
|
|
"8.0.0.1",
|
|
"8.32.42.128",
|
|
"8.255.255.255",
|
|
},
|
|
rejectIPs: []string{
|
|
"2a03:4000:7:d080::",
|
|
"2a03:4000:7:d080::1",
|
|
"4242::1",
|
|
"1.2.16.1",
|
|
"1.2.32.1",
|
|
"127.0.0.1",
|
|
"4.4.4.4",
|
|
"4.8.8.8",
|
|
},
|
|
},
|
|
{
|
|
desc: "broken IP-addresses",
|
|
whitelistStrings: []string{
|
|
"127.0.0.1/32",
|
|
},
|
|
passIPs: nil,
|
|
},
|
|
}
|
|
|
|
for _, test := range cases {
|
|
test := test
|
|
t.Run(test.desc, func(t *testing.T) {
|
|
t.Parallel()
|
|
whiteLister, err := NewIP(test.whitelistStrings, false)
|
|
|
|
require.NoError(t, err)
|
|
require.NotNil(t, whiteLister)
|
|
|
|
for _, testIP := range test.passIPs {
|
|
allowed, ip, err := whiteLister.Contains(testIP)
|
|
require.NoError(t, err)
|
|
require.NotNil(t, ip, err)
|
|
assert.True(t, allowed, testIP+" should have passed "+test.desc)
|
|
}
|
|
|
|
for _, testIP := range test.rejectIPs {
|
|
allowed, ip, err := whiteLister.Contains(testIP)
|
|
require.NoError(t, err)
|
|
require.NotNil(t, ip, err)
|
|
assert.False(t, allowed, testIP+" should not have passed "+test.desc)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestBrokenIPs(t *testing.T) {
|
|
brokenIPs := []string{
|
|
"foo",
|
|
"10.0.0.350",
|
|
"fe:::80",
|
|
"",
|
|
"\\&$§&/(",
|
|
}
|
|
|
|
whiteLister, err := NewIP([]string{"1.2.3.4/24"}, false)
|
|
require.NoError(t, err)
|
|
|
|
for _, testIP := range brokenIPs {
|
|
_, ip, err := whiteLister.Contains(testIP)
|
|
assert.Error(t, err)
|
|
require.Nil(t, ip, err)
|
|
}
|
|
|
|
}
|