1 files changed, 0 insertions, 77 deletions
diff --git a/dhcpv6/utils.go b/dhcpv6/utils.go
deleted file mode 100644
index 1681661..0000000
--- a/dhcpv6/utils.go
+++ /dev/null
@@ -1,77 +0,0 @@
-package dhcpv6
-
-import (
-	"errors"
-	"strings"
-)
-
-// IsNetboot function takes a DHCPv6 message and returns true if the machine
-// is trying to netboot. It checks if "boot file" is one of the requested
-// options, which is useful for SOLICIT/REQUEST packet types, it also checks
-// if the "boot file" option is included in the packet, which is useful for
-// ADVERTISE/REPLY packet.
-func IsNetboot(msg DHCPv6) bool {
-	for _, optoro := range msg.GetOption(OptionORO) {
-		for _, o := range optoro.(*OptRequestedOption).RequestedOptions() {
-			if o == OptionBootfileURL {
-				return true
-			}
-		}
-	}
-	if optbf := msg.GetOneOption(OptionBootfileURL); optbf != nil {
-		return true
-	}
-	return false
-}
-
-// IsUsingUEFI function takes a DHCPv6 message and returns true if
-// the machine trying to netboot is using UEFI of false if it is not.
-func IsUsingUEFI(msg DHCPv6) bool {
-	// RFC 4578 says:
-	// As of the writing of this document, the following pre-boot
-	//    architecture types have been requested.
-	//             Type   Architecture Name
-	//             ----   -----------------
-	//               0    Intel x86PC
-	//               1    NEC/PC98
-	//               2    EFI Itanium
-	//               3    DEC Alpha
-	//               4    Arc x86
-	//               5    Intel Lean Client
-	//               6    EFI IA32
-	//               7    EFI BC
-	//               8    EFI Xscale
-	//               9    EFI x86-64
-	if opt := msg.GetOneOption(OptionClientArchType); opt != nil {
-		optat := opt.(*OptClientArchType)
-		// TODO investigate if other types are appropriate
-		if optat.ArchType == EFI_BC || optat.ArchType == EFI_X86_64 {
-			return true
-		}
-	}
-	if opt := msg.GetOneOption(OptionUserClass); opt != nil {
-		optuc := opt.(*OptUserClass)
-		for _, uc := range optuc.UserClasses {
-			if strings.Contains(string(uc), "EFI") {
-				return true
-			}
-		}
-	}
-	return false
-}
-
-// GetTransactionID returns a transactionID of a message or its inner message
-// in case of relay
-func GetTransactionID(packet DHCPv6) (uint32, error) {
-	if message, ok := packet.(*DHCPv6Message); ok {
-		return message.TransactionID(), nil
-	}
-	if relay, ok := packet.(*DHCPv6Relay); ok {
-		message, err := relay.GetInnerMessage()
-		if err != nil {
-			return 0, err
-		}
-		return GetTransactionID(message)
-	}
-	return 0, errors.New("Invalid DHCPv6 packet")
-}