remove bsdp packageHEADmaster

1 files changed, 0 insertions, 254 deletions

diff --git a/dhcpv4/bsdp/bsdp.go b/dhcpv4/bsdp/bsdp.go
deleted file mode 100644
index d90e884..0000000
--- a/dhcpv4/bsdp/bsdp.go
+++ /dev/null
@@ -1,254 +0,0 @@
-package bsdp
-
-import (
-	"errors"
-	"fmt"
-	"net"
-
-	"github.com/insomniacslk/dhcp/dhcpv4"
-)
-
-// MaxDHCPMessageSize is the size set in DHCP option 57 (DHCP Maximum Message Size).
-// BSDP includes its own sub-option (12) to indicate to NetBoot servers that the
-// client can support larger message sizes, and modern NetBoot servers will
-// prefer this BSDP-specific option over the DHCP standard option.
-const MaxDHCPMessageSize = 1500
-
-// AppleVendorID is the string constant set in the vendor class identifier (DHCP
-// option 60) that is sent by the server.
-const AppleVendorID = "AAPLBSDPC"
-
-// ReplyConfig is a struct containing some common configuration values for a
-// BSDP reply (ACK).
-type ReplyConfig struct {
-	ServerIP                     net.IP
-	ServerHostname, BootFileName string
-	ServerPriority               uint16
-	Images                       []BootImage
-	DefaultImage, SelectedImage  *BootImage
-}
-
-// ParseBootImageListFromAck parses the list of boot images presented in the
-// ACK[LIST] packet and returns them as a list of BootImages.
-func ParseBootImageListFromAck(ack *dhcpv4.DHCPv4) ([]BootImage, error) {
-	vendorOpts := GetVendorOptions(ack.Options)
-	if vendorOpts == nil {
-		return nil, errors.New("ParseBootImageListFromAck: could not find vendor-specific option")
-	}
-	return vendorOpts.BootImageList(), nil
-}
-
-func needsReplyPort(replyPort uint16) bool {
-	return replyPort != 0 && replyPort != dhcpv4.ClientPort
-}
-
-// MessageTypeFromPacket extracts the BSDP message type (LIST, SELECT) from the
-// vendor-specific options and returns it. If the message type option cannot be
-// found, returns false.
-func MessageTypeFromPacket(packet *dhcpv4.DHCPv4) MessageType {
-	vendorOpts := GetVendorOptions(packet.Options)
-	if vendorOpts == nil {
-		return MessageTypeNone
-	}
-	return vendorOpts.MessageType()
-}
-
-// Packet is a BSDP packet wrapper around a DHCPv4 packet in order to print the
-// correct vendor-specific BSDP information in String().
-type Packet struct {
-	dhcpv4.DHCPv4
-}
-
-// PacketFor returns a wrapped BSDP Packet given a DHCPv4 packet.
-func PacketFor(d *dhcpv4.DHCPv4) *Packet {
-	return &Packet{*d}
-}
-
-func (p Packet) v4() *dhcpv4.DHCPv4 {
-	return &p.DHCPv4
-}
-
-func (p Packet) String() string {
-	return p.DHCPv4.String()
-}
-
-// Summary prints the BSDP packet with the correct vendor-specific options.
-func (p Packet) Summary() string {
-	return p.DHCPv4.SummaryWithVendor(&VendorOptions{})
-}
-
-// NewInformListForInterface creates a new INFORM packet for interface ifname
-// with configuration options specified by config.
-func NewInformListForInterface(ifname string, replyPort uint16) (*Packet, error) {
-	iface, err := net.InterfaceByName(ifname)
-	if err != nil {
-		return nil, err
-	}
-	// Get currently configured IP.
-	addrs, err := iface.Addrs()
-	if err != nil {
-		return nil, err
-	}
-	localIPs, err := dhcpv4.GetExternalIPv4Addrs(addrs)
-	if err != nil {
-		return nil, fmt.Errorf("could not get local IPv4 addr for %s: %v", iface.Name, err)
-	}
-	if len(localIPs) == 0 {
-		return nil, fmt.Errorf("could not get local IPv4 addr for %s", iface.Name)
-	}
-	return NewInformList(iface.HardwareAddr, localIPs[0], replyPort)
-}
-
-// NewInformList creates a new INFORM packet for interface with hardware address
-// `hwaddr` and IP `localIP`. Packet will be sent out on port `replyPort`.
-func NewInformList(hwaddr net.HardwareAddr, localIP net.IP, replyPort uint16, modifiers ...dhcpv4.Modifier) (*Packet, error) {
-	// Validate replyPort first
-	if needsReplyPort(replyPort) && replyPort >= 1024 {
-		return nil, errors.New("replyPort must be a privileged port")
-	}
-
-	vendorClassID, err := MakeVendorClassIdentifier()
-	if err != nil {
-		return nil, err
-	}
-
-	// These are vendor-specific options used to pass along BSDP information.
-	vendorOpts := []dhcpv4.Option{
-		OptMessageType(MessageTypeList),
-		OptVersion(Version1_1),
-	}
-	if needsReplyPort(replyPort) {
-		vendorOpts = append(vendorOpts, OptReplyPort(replyPort))
-	}
-
-	d, err := dhcpv4.NewInform(hwaddr, localIP,
-		dhcpv4.PrependModifiers(modifiers, dhcpv4.WithRequestedOptions(
-			dhcpv4.OptionVendorSpecificInformation,
-			dhcpv4.OptionClassIdentifier,
-		),
-			dhcpv4.WithOption(dhcpv4.OptMaxMessageSize(MaxDHCPMessageSize)),
-			dhcpv4.WithOption(dhcpv4.OptClassIdentifier(vendorClassID)),
-			dhcpv4.WithOption(OptVendorOptions(vendorOpts...)),
-		)...)
-	if err != nil {
-		return nil, err
-	}
-	return PacketFor(d), nil
-}
-
-// InformSelectForAck constructs an INFORM[SELECT] packet given an ACK to the
-// previously-sent INFORM[LIST].
-func InformSelectForAck(ack *Packet, replyPort uint16, selectedImage BootImage) (*Packet, error) {
-	if needsReplyPort(replyPort) && replyPort >= 1024 {
-		return nil, errors.New("replyPort must be a privileged port")
-	}
-
-	// Data for OptionSelectedBootImageID
-	vendorOpts := []dhcpv4.Option{
-		OptMessageType(MessageTypeSelect),
-		OptVersion(Version1_1),
-		OptSelectedBootImageID(selectedImage.ID),
-	}
-
-	// Validate replyPort if requested.
-	if needsReplyPort(replyPort) {
-		vendorOpts = append(vendorOpts, OptReplyPort(replyPort))
-	}
-
-	// Find server IP address
-	serverIP := ack.ServerIdentifier()
-	if serverIP.To4() == nil {
-		return nil, fmt.Errorf("could not parse server identifier from ACK")
-	}
-	vendorOpts = append(vendorOpts, OptServerIdentifier(serverIP))
-
-	vendorClassID, err := MakeVendorClassIdentifier()
-	if err != nil {
-		return nil, err
-	}
-
-	d, err := dhcpv4.New(dhcpv4.WithReply(ack.v4()),
-		dhcpv4.WithOption(dhcpv4.OptClassIdentifier(vendorClassID)),
-		dhcpv4.WithRequestedOptions(
-			dhcpv4.OptionSubnetMask,
-			dhcpv4.OptionRouter,
-			dhcpv4.OptionBootfileName,
-			dhcpv4.OptionVendorSpecificInformation,
-			dhcpv4.OptionClassIdentifier,
-		),
-		dhcpv4.WithMessageType(dhcpv4.MessageTypeInform),
-		dhcpv4.WithOption(OptVendorOptions(vendorOpts...)),
-	)
-	if err != nil {
-		return nil, err
-	}
-	return PacketFor(d), nil
-}
-
-// NewReplyForInformList constructs an ACK for the INFORM[LIST] packet `inform`
-// with additional options in `config`.
-func NewReplyForInformList(inform *Packet, config ReplyConfig) (*Packet, error) {
-	if config.DefaultImage == nil {
-		return nil, errors.New("NewReplyForInformList: no default boot image ID set")
-	}
-	if config.Images == nil || len(config.Images) == 0 {
-		return nil, errors.New("NewReplyForInformList: no boot images provided")
-	}
-	reply, err := dhcpv4.NewReplyFromRequest(&inform.DHCPv4)
-	if err != nil {
-		return nil, err
-	}
-	reply.ClientIPAddr = inform.ClientIPAddr
-	reply.GatewayIPAddr = inform.GatewayIPAddr
-	reply.ServerIPAddr = config.ServerIP
-	reply.ServerHostName = config.ServerHostname
-
-	reply.UpdateOption(dhcpv4.OptMessageType(dhcpv4.MessageTypeAck))
-	reply.UpdateOption(dhcpv4.OptServerIdentifier(config.ServerIP))
-	reply.UpdateOption(dhcpv4.OptClassIdentifier(AppleVendorID))
-
-	// BSDP opts.
-	vendorOpts := []dhcpv4.Option{
-		OptMessageType(MessageTypeList),
-		OptServerPriority(config.ServerPriority),
-		OptDefaultBootImageID(config.DefaultImage.ID),
-		OptBootImageList(config.Images...),
-	}
-	if config.SelectedImage != nil {
-		vendorOpts = append(vendorOpts, OptSelectedBootImageID(config.SelectedImage.ID))
-	}
-	reply.UpdateOption(OptVendorOptions(vendorOpts...))
-	return PacketFor(reply), nil
-}
-
-// NewReplyForInformSelect constructs an ACK for the INFORM[Select] packet
-// `inform` with additional options in `config`.
-func NewReplyForInformSelect(inform *Packet, config ReplyConfig) (*Packet, error) {
-	if config.SelectedImage == nil {
-		return nil, errors.New("NewReplyForInformSelect: no selected boot image ID set")
-	}
-	if config.Images == nil || len(config.Images) == 0 {
-		return nil, errors.New("NewReplyForInformSelect: no boot images provided")
-	}
-	reply, err := dhcpv4.NewReplyFromRequest(&inform.DHCPv4)
-	if err != nil {
-		return nil, err
-	}
-
-	reply.ClientIPAddr = inform.ClientIPAddr
-	reply.GatewayIPAddr = inform.GatewayIPAddr
-	reply.ServerIPAddr = config.ServerIP
-	reply.ServerHostName = config.ServerHostname
-	reply.BootFileName = config.BootFileName
-
-	reply.UpdateOption(dhcpv4.OptMessageType(dhcpv4.MessageTypeAck))
-	reply.UpdateOption(dhcpv4.OptServerIdentifier(config.ServerIP))
-	reply.UpdateOption(dhcpv4.OptClassIdentifier(AppleVendorID))
-
-	// BSDP opts.
-	reply.UpdateOption(OptVendorOptions(
-		OptMessageType(MessageTypeSelect),
-		OptSelectedBootImageID(config.SelectedImage.ID),
-	))
-	return PacketFor(reply), nil
-}