move messages out of unecessary messages package and in to ntlm package

ntlm/version.go

@@ -0,0 +1,46 @@
+//Copyright 2013 Thomson Reuters Global Resources.  All Rights Reserved.  Proprietary and confidential information of TRGR.  Disclosure, use, or reproduction without written authorization of TRGR is prohibited.
+
+package ntlm
+
+import (
+	"bytes"
+	"encoding/binary"
+	"fmt"
+)
+
+type VersionStruct struct {
+	ProductMajorVersion uint8
+	ProductMinorVersion uint8
+	ProductBuild        uint16
+	Reserved            []byte
+	NTLMRevisionCurrent uint8
+}
+
+func ReadVersionStruct(structSource []byte) (*VersionStruct, error) {
+	versionStruct := new(VersionStruct)
+
+	versionStruct.ProductMajorVersion = uint8(structSource[0])
+	versionStruct.ProductMinorVersion = uint8(structSource[1])
+	versionStruct.ProductBuild = binary.LittleEndian.Uint16(structSource[2:4])
+	versionStruct.Reserved = structSource[4:7]
+	versionStruct.NTLMRevisionCurrent = uint8(structSource[7])
+
+	return versionStruct, nil
+}
+
+func (v *VersionStruct) String() string {
+	return fmt.Sprintf("%d.%d.%d Ntlm %d", v.ProductMajorVersion, v.ProductMinorVersion, v.ProductBuild, v.NTLMRevisionCurrent)
+}
+
+func (v *VersionStruct) Bytes() []byte {
+	dest := make([]byte, 0, 8)
+	buffer := bytes.NewBuffer(dest)
+
+	binary.Write(buffer, binary.LittleEndian, v.ProductMajorVersion)
+	binary.Write(buffer, binary.LittleEndian, v.ProductMinorVersion)
+	binary.Write(buffer, binary.LittleEndian, v.ProductBuild)
+	buffer.Write(make([]byte, 3))
+	binary.Write(buffer, binary.LittleEndian, uint8(v.NTLMRevisionCurrent))
+
+	return buffer.Bytes()
+}