1 files changed, 0 insertions, 98 deletions
diff --git a/dhcpv4/option_userclass.go b/dhcpv4/option_userclass.go
deleted file mode 100644
index 69ceeba..0000000
--- a/dhcpv4/option_userclass.go
+++ /dev/null
@@ -1,98 +0,0 @@
-package dhcpv4
-
-import (
-	"errors"
-	"fmt"
-	"strings"
-
-	"github.com/u-root/u-root/pkg/uio"
-)
-
-// UserClass implements the user class option described by RFC 3004.
-type UserClass struct {
-	UserClasses [][]byte
-	RFC3004     bool
-}
-
-// OptUserClass returns a new user class option.
-func OptUserClass(v []byte) Option {
-	return Option{
-		Code: OptionUserClassInformation,
-		Value: &UserClass{
-			UserClasses: [][]byte{v},
-			RFC3004:     false,
-		},
-	}
-}
-
-// OptRFC3004UserClass returns a new user class option according to RFC 3004.
-func OptRFC3004UserClass(v [][]byte) Option {
-	return Option{
-		Code: OptionUserClassInformation,
-		Value: &UserClass{
-			UserClasses: v,
-			RFC3004:     true,
-		},
-	}
-}
-
-// ToBytes serializes the option and returns it as a sequence of bytes
-func (op *UserClass) ToBytes() []byte {
-	buf := uio.NewBigEndianBuffer(nil)
-	if !op.RFC3004 {
-		buf.WriteBytes(op.UserClasses[0])
-	} else {
-		for _, uc := range op.UserClasses {
-			buf.Write8(uint8(len(uc)))
-			buf.WriteBytes(uc)
-		}
-	}
-	return buf.Data()
-}
-
-// String returns a human-readable user class.
-func (op *UserClass) String() string {
-	ucStrings := make([]string, 0, len(op.UserClasses))
-	if !op.RFC3004 {
-		ucStrings = append(ucStrings, string(op.UserClasses[0]))
-	} else {
-		for _, uc := range op.UserClasses {
-			ucStrings = append(ucStrings, string(uc))
-		}
-	}
-	return strings.Join(ucStrings, ", ")
-}
-
-// FromBytes parses data into op.
-func (op *UserClass) FromBytes(data []byte) error {
-	buf := uio.NewBigEndianBuffer(data)
-
-	// Check if option is Microsoft style instead of RFC compliant, issue #113
-
-	// User-class options are, according to RFC3004, supposed to contain a set
-	// of strings each with length UC_Len_i. Here we check that this is so,
-	// by seeing if all the UC_Len_i lengths are consistent with the overall
-	// option length. If the lengths don't add up, we assume that the option
-	// is a single string and non RFC3004 compliant
-	var counting int
-	for counting < buf.Len() {
-		// UC_Len_i does not include itself so add 1
-		counting += int(data[counting]) + 1
-	}
-	if counting != buf.Len() {
-		op.UserClasses = append(op.UserClasses, data)
-		return nil
-	}
-	op.RFC3004 = true
-	for buf.Has(1) {
-		ucLen := buf.Read8()
-		if ucLen == 0 {
-			return fmt.Errorf("DHCP user class must have length greater than 0")
-		}
-		op.UserClasses = append(op.UserClasses, buf.CopyN(int(ucLen)))
-	}
-	if len(op.UserClasses) == 0 {
-		return errors.New("ParseOptUserClass: at least one user class is required")
-	}
-	return buf.FinError()
-}