func challenge(cfg *config.Configuration, request *http.Request, challengeBytes []byte, creds auth.Creds) (*http.Response, error) {
challenge, err := ntlm.ParseChallengeMessage(challengeBytes)
if err != nil {
return nil, err
}
session, err := ntlmClientSession(cfg, creds)
if err != nil {
return nil, err
}
session.ProcessChallengeMessage(challenge)
authenticate, err := session.GenerateAuthenticateMessage()
if err != nil {
return nil, err
}
authMsg := base64.StdEncoding.EncodeToString(authenticate.Bytes())
request.Header.Add("Authorization", "NTLM "+authMsg)
return NewHttpClient(cfg, request.Host).Do(request)
}
func main() {
// ntlm v2
// challengeMessage := "TlRMTVNTUAACAAAAAAAAADgAAABVgphiPXSy0E6+HrMAAAAAAAAAAKIAogA4AAAABQEoCgAAAA8CAA4AUgBFAFUAVABFAFIAUwABABwAVQBLAEIAUAAtAEMAQgBUAFIATQBGAEUAMAA2AAQAFgBSAGUAdQB0AGUAcgBzAC4AbgBlAHQAAwA0AHUAawBiAHAALQBjAGIAdAByAG0AZgBlADAANgAuAFIAZQB1AHQAZQByAHMALgBuAGUAdAAFABYAUgBlAHUAdABlAHIAcwAuAG4AZQB0AAAAAAA="
// authenticateMessage := "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"
//LCS v1
//challengeMessage := "TlRMTVNTUAACAAAAAAAAADgAAADzgpjid08w9p89DLUAAAAAAAAAAPAA8AA4AAAABQLODgAAAA8CAA4AQQBSAFIAQQBZADEAMgABABYATgBZAEMAUwBNAFMARwA5ADkAMQAyAAQANABhAHIAcgBhAHkAMQAyAC4AbQBzAGcAdABzAHQALgByAGUAdQB0AGUAcgBzAC4AYwBvAG0AAwBMAE4AWQBDAFMATQBTAEcAOQA5ADEAMgAuAGEAcgByAGEAeQAxADIALgBtAHMAZwB0AHMAdAAuAHIAZQB1AHQAZQByAHMALgBjAG8AbQAFADQAYQByAHIAYQB5ADEAMgAuAG0AcwBnAHQAcwB0AC4AcgBlAHUAdABlAHIAcwAuAGMAbwBtAAAAAAA="
//authenticateMessage := "TlRMTVNTUAADAAAAGAAYAKwAAAAYABgAxAAAAAAAAABYAAAANgA2AFgAAAAeAB4AjgAAABAAEADcAAAAVYKQYgYBsR0AAAAPUJSCwwcYcGpE0Zp9GsD3RDAANQAwADAANAA1AC4AcgBtAHcAYQB0AGUAcwB0AEAAcgBlAHUAdABlAHIAcwAuAGMAbwBtAFcASQBOAC0AMABEAEQAQQBCAEsAQwAxAFUASQA4ALIsDLYZktr3YlJDLyVT6GHgwNA+DFdM87IsDLYZktr3YlJDLyVT6GHgwNA+DFdM851g+vaa4CHvomwyYmjbB1M="
//US
//challengeMessage := "TlRMTVNTUAACAAAAAAAAADgAAABVgphisF5WgZrWn4MAAAAAAAAAAKIAogA4AAAABQEoCgAAAA8CAA4AUgBFAFUAVABFAFIAUwABABwAVQBLAEIAUAAtAEMAQgBUAFIATQBGAEUAMAA2AAQAFgBSAGUAdQB0AGUAcgBzAC4AbgBlAHQAAwA0AHUAawBiAHAALQBjAGIAdAByAG0AZgBlADAANgAuAFIAZQB1AHQAZQByAHMALgBuAGUAdAAFABYAUgBlAHUAdABlAHIAcwAuAG4AZQB0AAAAAAA="
//authenticateMessage := "TlRMTVNTUAADAAAAGAAYAKwAAAAYABgAxAAAAAAAAABYAAAANgA2AFgAAAAeAB4AjgAAABAAEADcAAAAVYKQYgYBsR0AAAAPJc+NGJ4qgACnkkGb9J8RezAANQAwADAANAA1AC4AcgBtAHcAYQB0AGUAcwB0AEAAcgBlAHUAdABlAHIAcwAuAGMAbwBtAFcASQBOAC0AMABEAEQAQQBCAEsAQwAxAFUASQA4AJLPhCq8UHZjb5sEjtoaJtWBY2ZwNZyujpLPhCq8UHZjb5sEjtoaJtWBY2ZwNZyujtW8TsZdZ6PMc1ipWbL7VgY="
//US again
challengeMessage := "TlRMTVNTUAACAAAAAAAAADgAAABVgphiMx43owKH33MAAAAAAAAAAKIAogA4AAAABQEoCgAAAA8CAA4AUgBFAFUAVABFAFIAUwABABwAVQBLAEIAUAAtAEMAQgBUAFIATQBGAEUAMAA2AAQAFgBSAGUAdQB0AGUAcgBzAC4AbgBlAHQAAwA0AHUAawBiAHAALQBjAGIAdAByAG0AZgBlADAANgAuAFIAZQB1AHQAZQByAHMALgBuAGUAdAAFABYAUgBlAHUAdABlAHIAcwAuAG4AZQB0AAAAAAA="
authenticateMessage := "TlRMTVNTUAADAAAAGAAYAKwAAAAYABgAxAAAAAAAAABYAAAANgA2AFgAAAAeAB4AjgAAABAAEADcAAAAVYKQYgYBsR0AAAAPukU9WmBJLdSLU2NvXjNgUzAANQAwADAANAA1AC4AcgBtAHcAYQB0AGUAcwB0AEAAcgBlAHUAdABlAHIAcwAuAGMAbwBtAFcASQBOAC0AMABEAEQAQQBCAEsAQwAxAFUASQA4AOLIAEYvI6zgw2+MBf8xHSTZhIfVaKIIFuLIAEYvI6zgw2+MBf8xHSTZhIfVaKIIFroZDwl770tY/oFQk38nnuI="
server, err := ntlm.CreateServerSession(ntlm.Version2, ntlm.ConnectionlessMode)
server.SetUserInfo("*****@*****.**", "Welcome1", "")
challengeData, _ := base64.StdEncoding.DecodeString(challengeMessage)
c, _ := ntlm.ParseChallengeMessage(challengeData)
fmt.Println("----- Challenge Message ----- ")
fmt.Println(c.String())
fmt.Println("----- END Challenge Message ----- ")
authenticateData, _ := base64.StdEncoding.DecodeString(authenticateMessage)
var context ntlm.ServerSession
msg, err := ntlm.ParseAuthenticateMessage(authenticateData, 2)
if err != nil {
msg2, newErr := ntlm.ParseAuthenticateMessage(authenticateData, 1)
if newErr != nil {
fmt.Printf("Error ParseAuthenticateMessage , %s", err)
return
}
// Message parsed correctly as NTLMv1 so assume the session is v1 and reset the server session
newContext, err := ntlm.CreateServerSession(ntlm.Version1, ntlm.ConnectionlessMode)
newContext.SetUserInfo(server.GetUserInfo())
if err != nil {
fmt.Println("Could not create NTLMv1 session")
return
}
// Need the originally generated server challenge so we can process the response
newContext.SetServerChallenge(c.ServerChallenge)
// err = server.ProcessAuthenticateMessage(msg)
err = newContext.ProcessAuthenticateMessage(msg2)
if err != nil {
fmt.Printf("Could not process authenticate v1 message: %s\n", err)
return
}
// Set the security context to now be NTLMv1
context = newContext
fmt.Println("----- Authenticate Message ----- ")
fmt.Println(msg2.String())
fmt.Println("----- END Authenticate Message ----- ")
} else {
context = server
// Need the server challenge to be set
server.SetServerChallenge(c.ServerChallenge)
// err = server.ProcessAuthenticateMessage(msg)
err = context.ProcessAuthenticateMessage(msg)
if err != nil {
fmt.Printf("Could not process authenticate message: %s\n", err)
return
}
fmt.Println("----- Authenticate Message ----- ")
fmt.Println(msg.String())
fmt.Println("----- END Authenticate Message ----- ")
}
fmt.Println("success")
}