Added OptBootFileURL

2 files changed, 51 insertions, 0 deletions

diff --git a/dhcpv6/option_bootfileurl.go b/dhcpv6/option_bootfileurl.go
new file mode 100644
index 0000000..4dd0af3
--- /dev/null
+++ b/dhcpv6/option_bootfileurl.go
@@ -0,0 +1,49 @@
+package dhcpv6
+
+// This module defines the OptBootFileURL structure.
+// https://www.ietf.org/rfc/rfc5970.txt
+
+import (
+	"encoding/binary"
+	"fmt"
+)
+
+type OptBootFileURL struct {
+	bootFileUrl []byte
+}
+
+func (op *OptBootFileURL) Code() OptionCode {
+	return OPT_BOOTFILE_URL
+}
+
+func (op *OptBootFileURL) ToBytes() []byte {
+	buf := make([]byte, 4)
+	binary.BigEndian.PutUint16(buf[0:2], uint16(OPT_BOOTFILE_URL))
+	binary.BigEndian.PutUint16(buf[2:4], 2)
+	buf = append(buf, op.bootFileUrl...)
+	return buf
+}
+
+func (op *OptBootFileURL) BootFileURL() []byte {
+	return op.bootFileUrl
+}
+
+func (op *OptBootFileURL) SetBootFileURL(bootFileUrl []byte) {
+	op.bootFileUrl = bootFileUrl
+}
+
+func (op *OptBootFileURL) Length() int {
+	return len(op.bootFileUrl)
+}
+
+func (op *OptBootFileURL) String() string {
+	return fmt.Sprintf("OptBootFileURL{BootFileUrl=%v}", op.bootFileUrl)
+}
+
+// build an OptBootFileURL structure from a sequence of bytes.
+// The input data does not include option code and length bytes.
+func ParseOptBootFileURL(data []byte) (*OptBootFileURL, error) {
+	opt := OptBootFileURL{}
+	opt.bootFileUrl = append([]byte(nil), data...)
+	return &opt, nil
+}
diff --git a/dhcpv6/options.go b/dhcpv6/options.go
index 3bca963..fcfed37 100644
--- a/dhcpv6/options.go
+++ b/dhcpv6/options.go
@@ -98,6 +98,8 @@ func ParseOption(dataStart []byte) (Option, error) {
 		opt, err = ParseOptClientArchType(optData)
 	case OPTION_NII:
 		opt, err = ParseOptNetworkInterfaceId(optData)
+	case OPT_BOOTFILE_URL:
+		opt, err = ParseOptBootFileURL(optData)
 	default:
 		opt = &OptionGeneric{OptionCode: code, OptionData: optData}
 	}