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-rw-r--r--netboot/netconf.go12
-rw-r--r--netboot/netconf_test.go29
2 files changed, 2 insertions, 39 deletions
diff --git a/netboot/netconf.go b/netboot/netconf.go
index 7fc38e2..85cfafb 100644
--- a/netboot/netconf.go
+++ b/netboot/netconf.go
@@ -61,11 +61,7 @@ func GetNetConfFromPacketv6(d *dhcpv6.Message) (*NetConf, error) {
})
}
// get DNS configuration
- dns := d.Options.DNS()
- if len(dns) == 0 {
- return nil, errors.New("no option DNS Recursive Name Servers found")
- }
- netconf.DNSServers = dns
+ netconf.DNSServers = d.Options.DNS()
domains := d.Options.DomainSearchList()
if domains != nil {
@@ -110,11 +106,7 @@ func GetNetConfFromPacketv4(d *dhcpv4.DHCPv4) (*NetConf, error) {
})
// get DNS configuration
- dnsServers := d.DNS()
- if len(dnsServers) == 0 {
- return nil, errors.New("no dns servers options in response packet")
- }
- netconf.DNSServers = dnsServers
+ netconf.DNSServers = d.DNS()
// get domain search list
dnsSearchList := d.DomainSearch()
diff --git a/netboot/netconf_test.go b/netboot/netconf_test.go
index 8b1f5f7..e2541cd 100644
--- a/netboot/netconf_test.go
+++ b/netboot/netconf_test.go
@@ -34,25 +34,6 @@ func TestGetNetConfFromPacketv6Invalid(t *testing.T) {
require.Error(t, err)
}
-func TestGetNetConfFromPacketv6NoAddrsNoDNS(t *testing.T) {
- adv := getAdv(dhcpv6.WithIANA())
- _, err := GetNetConfFromPacketv6(adv)
- require.Error(t, err)
-}
-
-func TestGetNetConfFromPacketv6NoDNS(t *testing.T) {
- addrs := []dhcpv6.OptIAAddress{
- dhcpv6.OptIAAddress{
- IPv6Addr: net.ParseIP("::1"),
- PreferredLifetime: 3600 * time.Second,
- ValidLifetime: 5200 * time.Second,
- },
- }
- adv := getAdv(dhcpv6.WithIANA(addrs...))
- _, err := GetNetConfFromPacketv6(adv)
- require.Error(t, err)
-}
-
func TestGetNetConfFromPacketv6NoSearchList(t *testing.T) {
addrs := []dhcpv6.OptIAAddress{
dhcpv6.OptIAAddress{
@@ -129,16 +110,6 @@ func TestGetNetConfFromPacketv4NoLeaseTime(t *testing.T) {
require.Error(t, err)
}
-func TestGetNetConfFromPacketv4NoDNS(t *testing.T) {
- d, _ := dhcpv4.New(
- dhcpv4.WithNetmask(net.IPv4Mask(255, 255, 255, 0)),
- dhcpv4.WithLeaseTime(uint32(0)),
- dhcpv4.WithYourIP(net.ParseIP("10.0.0.1")),
- )
- _, err := GetNetConfFromPacketv4(d)
- require.Error(t, err)
-}
-
func TestGetNetConfFromPacketv4EmptyDNSList(t *testing.T) {
d, _ := dhcpv4.New(
dhcpv4.WithNetmask(net.IPv4Mask(255, 255, 255, 0)),