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authorAndrea Barberio <insomniac@slackware.it>2017-12-07 00:56:15 +0000
committerAndrea Barberio <insomniac@slackware.it>2017-12-07 00:56:15 +0000
commit042bb4b29f75f9bd9a971a71091d47d110303be6 (patch)
tree59e99a40272391cbb820054d94afa6f25258d4b7
parentf5d849e1e72d2b92136eadc66a82cad83f8bac91 (diff)
Added RelayMsg basic parsing
-rw-r--r--dhcpv6/options/options.go2
-rw-r--r--dhcpv6/options/relaymsg.go44
2 files changed, 46 insertions, 0 deletions
diff --git a/dhcpv6/options/options.go b/dhcpv6/options/options.go
index 6b587dd..2eeaa44 100644
--- a/dhcpv6/options/options.go
+++ b/dhcpv6/options/options.go
@@ -88,6 +88,8 @@ func ParseOption(dataStart []byte) (Option, error) {
opt, err = ParseOptIAPrefix(optData)
case OPTION_STATUS_CODE:
opt, err = ParseOptStatusCode(optData)
+ case OPTION_RELAY_MSG:
+ opt, err = ParseOptRelayMsg(optData)
default:
opt = &OptionGeneric{OptionCode: code, OptionData: optData}
}
diff --git a/dhcpv6/options/relaymsg.go b/dhcpv6/options/relaymsg.go
new file mode 100644
index 0000000..4384c30
--- /dev/null
+++ b/dhcpv6/options/relaymsg.go
@@ -0,0 +1,44 @@
+package options
+
+// This module defines the OptRelayMsg structure.
+// https://www.ietf.org/rfc/rfc3315.txt
+
+import (
+ "fmt"
+)
+
+type OptRelayMsg struct {
+ relayMessage []byte // FIXME this has to become []DHCPv6
+}
+
+func (op *OptRelayMsg) Code() OptionCode {
+ return OPTION_RELAY_MSG
+}
+
+func (op *OptRelayMsg) ToBytes() []byte {
+ return []byte(op.relayMessage)
+}
+
+func (op *OptRelayMsg) RelayMessage() []byte {
+ return op.relayMessage
+}
+
+func (op *OptRelayMsg) SetRelayMessage(relayMessage []byte) {
+ op.relayMessage = relayMessage
+}
+
+func (op *OptRelayMsg) Length() int {
+ return len(op.relayMessage)
+}
+
+func (op *OptRelayMsg) String() string {
+ return fmt.Sprintf("OptRelayMsg{relaymsg=%v}", op.relayMessage)
+}
+
+// build an OptRelayMsg structure from a sequence of bytes.
+// The input data does not include option code and length bytes.
+func ParseOptRelayMsg(data []byte) (*OptRelayMsg, error) {
+ opt := OptRelayMsg{}
+ opt.relayMessage = []byte(data)
+ return &opt, nil
+}