kdhcp/dhcp/offer.go

37 lines
1.0 KiB
Go

package dhcp
import (
"net/netip"
"git.wntrmute.dev/kyle/kdhcp/leases"
)
func NewOffer(request *Packet, server *leases.Server, lease *leases.Info) (offer *Packet, err error) {
packet := &Packet{
MessageType: MessageTypeBootResponse,
HardwareType: request.HardwareType,
HardwareAddress: request.HardwareAddress,
Hops: 0,
TransactionID: request.TransactionID,
SecondsElapsed: 0,
Flags: request.Flags,
ServerName: "",
FileName: "",
ClientIP: request.ClientIP,
YourIP: lease.Addr,
NextIP: netip.IPv4Unspecified(),
RelayIP: netip.IPv4Unspecified(),
DHCPType: DHCPMessageTypeOffer,
HostName: "",
ClientID: request.ClientID,
Parameters: []Parameter{},
}
packet.AddParameter(ParameterDNS(server.Network.DNS))
packet.AddParameter(ParameterHostName(lease.HostName))
packet.AddParameter(ParameterRouter(server.Network.Gateway))
packet.AddParameter(ParameterSubnetMask(server.Network.Mask))
return packet, nil
}