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Reject proxy requests to 0.0.0.0 as well

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This commit is contained in:
Angus Lees
2021-07-30 20:12:48 +10:00
parent 2af53e9f64
commit 05cc0fb1df
2 changed files with 3 additions and 1 deletions
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2
pkg/proxy/util/utils.go
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@@ -97,7 +97,7 @@ func IsProxyableIP(ip string) error {
}
func isProxyableIP(ip net.IP) error {
if ip.IsLoopback() || ip.IsLinkLocalUnicast() || ip.IsLinkLocalMulticast() || ip.IsInterfaceLocalMulticast() {
if !ip.IsGlobalUnicast() {
return ErrAddressNotAllowed
}
return nil

2
pkg/proxy/util/utils_test.go
View File

@@ -103,6 +103,7 @@ func TestIsProxyableIP(t *testing.T) {
ip string
want error
}{
{"0.0.0.0", ErrAddressNotAllowed},
{"127.0.0.1", ErrAddressNotAllowed},
{"127.0.0.2", ErrAddressNotAllowed},
{"169.254.169.254", ErrAddressNotAllowed},
@@ -112,6 +113,7 @@ func TestIsProxyableIP(t *testing.T) {
{"192.168.0.1", nil},
{"172.16.0.1", nil},
{"8.8.8.8", nil},
{"::", ErrAddressNotAllowed},
{"::1", ErrAddressNotAllowed},
{"fe80::", ErrAddressNotAllowed},
{"ff02::", ErrAddressNotAllowed},