Merge pull request #3 from get9/bsdp

Add BSDP client support to DHCPv4

1 files changed, 68 insertions, 0 deletions

diff --git a/dhcpv4/bsdp/types.go b/dhcpv4/bsdp/types.go
new file mode 100644
index 0000000..54f38e2
--- /dev/null
+++ b/dhcpv4/bsdp/types.go
@@ -0,0 +1,68 @@
+package bsdp
+
+import "github.com/insomniacslk/dhcp/dhcpv4"
+
+// Options (occur as sub-options of DHCP option 43).
+const (
+	OptionMessageType dhcpv4.OptionCode = iota + 1
+	OptionVersion
+	OptionServerIdentifier
+	OptionServerPriority
+	OptionReplyPort
+	OptionBootImageListPath // Not used
+	OptionDefaultBootImageID
+	OptionSelectedBootImageID
+	OptionBootImageList
+	OptionNetboot1_0Firmware
+	OptionBootImageAttributesFilterList
+	OptionShadowMountPath dhcpv4.OptionCode = 128
+	OptionShadowFilePath  dhcpv4.OptionCode = 129
+	OptionMachineName     dhcpv4.OptionCode = 130
+)
+
+// Versions
+var (
+	Version1_0 = []byte{1, 0}
+	Version1_1 = []byte{1, 1}
+)
+
+// MessageType represents the different BSDP message types.
+type MessageType byte
+
+// BSDP Message types - e.g. LIST, SELECT, FAILED
+const (
+	MessageTypeList MessageType = iota + 1
+	MessageTypeSelect
+	MessageTypeFailed
+)
+
+// BootImageType represents the different BSDP boot image types.
+type BootImageType byte
+
+// Different types of BootImages - e.g. for different flavors of macOS.
+const (
+	BootImageTypeMacOS9 BootImageType = iota
+	BootImageTypeMacOSX
+	BootImageTypeMacOSXServer
+	BootImageTypeHardwareDiagnostics
+	// 0x4 - 0x7f are reserved for future use.
+)
+
+// OptionCodeToString maps BSDP OptionCodes to human-readable strings
+// describing what they are.
+var OptionCodeToString = map[dhcpv4.OptionCode]string{
+	OptionMessageType:                   " Message Type",
+	OptionVersion:                       " Version",
+	OptionServerIdentifier:              " Server Identifier",
+	OptionServerPriority:                " Server Priority",
+	OptionReplyPort:                     " Reply Port",
+	OptionBootImageListPath:             "", // Not used
+	OptionDefaultBootImageID:            " Default Boot Image ID",
+	OptionSelectedBootImageID:           " Selected Boot Image ID",
+	OptionBootImageList:                 " Boot Image List",
+	OptionNetboot1_0Firmware:            " Netboot 1.0 Firmware",
+	OptionBootImageAttributesFilterList: " Boot Image Attributes Filter List",
+	OptionShadowMountPath:               " Shadow Mount Path",
+	OptionShadowFilePath:                " Shadow File Path",
+	OptionMachineName:                   " Machine Name",
+}