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fix

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This commit is contained in:
Simon Zolin 2020-04-28 18:42:12 +03:00
parent 9fa72cb7c0
commit 636779fef7
1 changed files with 19 additions and 2 deletions
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21
dhcpd/v6.go
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@ -9,6 +9,7 @@ import (
"github.com/AdguardTeam/golibs/log"
"github.com/insomniacslk/dhcp/dhcpv6"
"github.com/insomniacslk/dhcp/dhcpv6/server6"
"github.com/insomniacslk/dhcp/iana"
)
const valIAID = "ADGH"
@ -57,7 +58,7 @@ func (s *Server) v6RmLease(l Lease) error {
}
if len(newLeases) == len(s.v6Leases) {
return fmt.Errorf("Lease not found")
return fmt.Errorf("Lease not found: %s", l.IP)
}
s.v6Leases = newLeases
@ -109,6 +110,13 @@ func (s *Server) v6Process(req dhcpv6.DHCPv6, resp dhcpv6.DHCPv6) {
return
}
osid := dhcpv6.OptServerID(dhcpv6.Duid{
Type: dhcpv6.DUID_LLT,
HwType: iana.HWTypeEthernet,
LinkLayerAddr: []byte{1, 2, 3, 4, 5, 6},
})
resp.AddOption(osid)
oia := &dhcpv6.OptIANA{}
copy(oia.IaId[:], []byte(valIAID))
oia.Options = dhcpv6.IdentityOptions{Options: []dhcpv6.Option{
@ -128,6 +136,13 @@ func (s *Server) v6PacketHandler(conn net.PacketConn, peer net.Addr, req dhcpv6.
return
}
log.Debug("DHCPv6: received: %s", req.Summary())
if msg.GetOneOption(dhcpv6.OptionClientID) == nil {
log.Error("DHCPv6: no ClientID option in request")
return
}
var resp dhcpv6.DHCPv6
switch msg.Type() {
@ -157,6 +172,8 @@ func (s *Server) v6PacketHandler(conn net.PacketConn, peer net.Addr, req dhcpv6.
s.v6Process(req, resp)
log.Debug("DHCPv6: sending: %s", resp.Summary())
_, err = conn.WriteTo(resp.ToBytes(), peer)
if err != nil {
log.Error("DHCPv6: conn.Write to %s failed: %s", peer, err)
@ -169,7 +186,7 @@ func (s *Server) v6Start(iface net.Interface) error {
IP: net.ParseIP("::"),
Port: dhcpv6.DefaultServerPort,
}
server, err := server6.NewServer("", laddr, s.v6PacketHandler, server6.WithDebugLogger())
server, err := server6.NewServer(iface.Name, laddr, s.v6PacketHandler, server6.WithDebugLogger())
if err != nil {
return err
}