moving to support go get

ntlm/ntlm.go

@@ -0,0 +1,127 @@
+//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 implements the interfaces used for interacting with NTLMv1 and NTLMv2.
+// To create NTLM v1 or v2 sessions you would use CreateClientSession and create ClientServerSession.
+package ntlm
+
+import (
+	rc4P "crypto/rc4"
+	"errors"
+	"ntlm/messages"
+)
+
+type Version int
+
+const (
+	Version1 Version = 1
+	Version2 Version = 2
+)
+
+type Mode int
+
+const (
+	ConnectionlessMode Mode = iota
+	ConnectionOrientedMode
+)
+
+// Creates an NTLM v1 or v2 client
+// mode - This must be ConnectionlessMode or ConnectionOrientedMode depending on what type of NTLM is used
+// version - This must be Version1 or Version2 depending on the version of NTLM used
+func CreateClientSession(version Version, mode Mode) (n ClientSession, err error) {
+	switch version {
+	case Version1:
+		n = new(V1ClientSession)
+	case Version2:
+		n = new(V2ClientSession)
+	default:
+		return nil, errors.New("Unknown NTLM Version, must be 1 or 2")
+	}
+
+	return n, nil
+}
+
+type ClientSession interface {
+	SetUserInfo(username string, password string, domain string)
+	SetMode(mode Mode)
+
+	GenerateNegotiateMessage() (*messages.Negotiate, error)
+	ProcessChallengeMessage(*messages.Challenge) error
+	GenerateAuthenticateMessage() (*messages.Authenticate, error)
+
+	Seal(message []byte) ([]byte, error)
+	Sign(message []byte) ([]byte, error)
+	Mac(message []byte, sequenceNumber int) ([]byte, error)
+	VerifyMac(message, expectedMac []byte, sequenceNumber int) (bool, error)
+}
+
+// Creates an NTLM v1 or v2 server
+// mode - This must be ConnectionlessMode or ConnectionOrientedMode depending on what type of NTLM is used
+// version - This must be Version1 or Version2 depending on the version of NTLM used
+func CreateServerSession(version Version, mode Mode) (n ServerSession, err error) {
+	switch version {
+	case Version1:
+		n = new(V1ServerSession)
+	case Version2:
+		n = new(V2ServerSession)
+	default:
+		return nil, errors.New("Unknown NTLM Version, must be 1 or 2")
+	}
+
+	n.SetMode(mode)
+	return n, nil
+}
+
+type ServerSession interface {
+	SetUserInfo(username string, password string, domain string)
+	GetUserInfo() (string, string, string)
+
+	SetMode(mode Mode)
+	SetServerChallenge(challege []byte)
+
+	ProcessNegotiateMessage(*messages.Negotiate) error
+	GenerateChallengeMessage() (*messages.Challenge, error)
+	ProcessAuthenticateMessage(*messages.Authenticate) error
+
+	GetSessionData() *SessionData
+
+	Version() int
+	Seal(message []byte) ([]byte, error)
+	Sign(message []byte) ([]byte, error)
+	Mac(message []byte, sequenceNumber int) ([]byte, error)
+	VerifyMac(message, expectedMac []byte, sequenceNumber int) (bool, error)
+}
+
+// This struct collects NTLM data structures and keys that are used across all types of NTLM requests
+type SessionData struct {
+	mode Mode
+
+	user       string
+	password   string
+	userDomain string
+
+	NegotiateFlags uint32
+
+	negotiateMessage    *messages.Negotiate
+	challengeMessage    *messages.Challenge
+	authenticateMessage *messages.Authenticate
+
+	serverChallenge     []byte
+	clientChallenge     []byte
+	ntChallengeResponse []byte
+	lmChallengeResponse []byte
+
+	responseKeyLM             []byte
+	responseKeyNT             []byte
+	exportedSessionKey        []byte
+	encryptedRandomSessionKey []byte
+	keyExchangeKey            []byte
+	sessionBaseKey            []byte
+	mic                       []byte
+
+	ClientSigningKey []byte
+	ServerSigningKey []byte
+	ClientSealingKey []byte
+	ServerSealingKey []byte
+
+	clientHandle *rc4P.Cipher
+	serverHandle *rc4P.Cipher
+}