mirror of
https://github.com/MTSGJ/opensim.currency.git
synced 2026-07-27 21:10:39 +00:00
297 lines
11 KiB
C#
297 lines
11 KiB
C#
/*
|
||
* Copyright (c) Contributors, http://www.nsl.tuis.ac.jp
|
||
*
|
||
*/
|
||
|
||
#pragma warning disable S1128 // Unused "using" should be removed
|
||
using System;
|
||
using System.Collections;
|
||
using System.Collections.Generic;
|
||
using System.IO;
|
||
using System.Xml;
|
||
using System.Net;
|
||
using System.Net.Security;
|
||
using System.Text;
|
||
using System.Reflection;
|
||
using System.Security.Cryptography.X509Certificates;
|
||
using log4net;
|
||
#pragma warning restore S1128 // Unused "using" should be removed
|
||
|
||
|
||
namespace NSL.Certificate.Tools
|
||
{
|
||
/// <summary>
|
||
/// class NSL Certificate Verify
|
||
/// </summary>
|
||
public class NSLCertificateVerify
|
||
{
|
||
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
|
||
|
||
private X509Chain m_chain = null;
|
||
private X509Certificate2 m_cacert = null;
|
||
private X509Certificate2 m_mycert = null;
|
||
|
||
private Mono.Security.X509.X509Crl m_clientcrl = null;
|
||
|
||
|
||
/// <summary>
|
||
/// NSL Certificate Verify
|
||
/// </summary>
|
||
public NSLCertificateVerify()
|
||
{
|
||
m_chain = null;
|
||
m_cacert = null;
|
||
m_clientcrl = null;
|
||
}
|
||
|
||
|
||
/// <summary>
|
||
/// NSL Certificate Verify
|
||
/// </summary>
|
||
/// <param name="certfile"></param>
|
||
public NSLCertificateVerify(string certfile)
|
||
{
|
||
SetPrivateCA(certfile);
|
||
}
|
||
|
||
|
||
/// <summary>
|
||
/// NSL Certificate Verify
|
||
/// </summary>
|
||
/// <param name="certfile"></param>
|
||
/// <param name="crlfile"></param>
|
||
public NSLCertificateVerify(string certfile, string crlfile)
|
||
{
|
||
SetPrivateCA (certfile);
|
||
SetPrivateCRL(crlfile);
|
||
}
|
||
|
||
|
||
/// <summary>
|
||
/// Set Private Certificate
|
||
/// </summary>
|
||
/// <param name="certfile"></param>
|
||
/// <param name="passwd"></param>
|
||
public void SetPrivateCert(string certfile, string passwd)
|
||
{
|
||
try {
|
||
|
||
#pragma warning disable SYSLIB0057 // Use X509CertificateLoader instead to load certificates (.NET9)
|
||
m_mycert = new X509Certificate2(certfile, passwd);
|
||
#pragma warning restore SYSLIB0057
|
||
}
|
||
catch (Exception ex) {
|
||
m_mycert = null;
|
||
m_log.ErrorFormat("[SET PRIVATE CERT]: Cert File setting error [{0}]. {1}", certfile, ex);
|
||
}
|
||
}
|
||
|
||
|
||
/// <summary>
|
||
/// Get Private Certificate
|
||
/// </summary>
|
||
public X509Certificate2 GetPrivateCert()
|
||
{
|
||
return m_mycert;
|
||
}
|
||
|
||
|
||
/// <summary>
|
||
/// Set Private CA
|
||
/// </summary>
|
||
/// <param name="certfile"></param>
|
||
public void SetPrivateCA(string certfile)
|
||
{
|
||
try {
|
||
#pragma warning disable SYSLIB0057 // Use X509CertificateLoader instead to load certificates (.NET9)
|
||
m_cacert = new X509Certificate2(certfile);
|
||
#pragma warning restore SYSLIB0057
|
||
}
|
||
catch (Exception ex) {
|
||
m_cacert = null;
|
||
m_log.ErrorFormat("[SET PRIVATE CA]: CA File reading error [{0}]. {1}", certfile, ex);
|
||
}
|
||
|
||
if (m_cacert!=null) {
|
||
m_chain = new X509Chain();
|
||
m_chain.ChainPolicy.ExtraStore.Add(m_cacert);
|
||
m_chain.ChainPolicy.RevocationMode = X509RevocationMode.NoCheck;
|
||
m_chain.ChainPolicy.VerificationFlags = X509VerificationFlags.NoFlag;
|
||
}
|
||
}
|
||
|
||
|
||
//
|
||
public void SetPrivateCRL(string crlfile)
|
||
{
|
||
try {
|
||
m_clientcrl = Mono.Security.X509.X509Crl.CreateFromFile(crlfile);
|
||
}
|
||
catch (Exception ex) {
|
||
m_clientcrl = null;
|
||
m_log.ErrorFormat("[SET PRIVATE CRL]: CRL File reading error [{0}]. {1}", crlfile, ex);
|
||
}
|
||
}
|
||
|
||
|
||
/// <summary>
|
||
/// Check Private Chain
|
||
/// </summary>
|
||
/// <param name="cert"></param>
|
||
/// <returns></returns>
|
||
public bool CheckPrivateChain(X509Certificate2 cert)
|
||
{
|
||
if (m_chain==null || m_cacert==null) {
|
||
return false;
|
||
}
|
||
|
||
bool ret = m_chain.Build((X509Certificate2)cert);
|
||
if (ret) {
|
||
return true;
|
||
}
|
||
|
||
for (int i=0; i<m_chain.ChainStatus.Length; i++) {
|
||
if (m_chain.ChainStatus[i].Status==X509ChainStatusFlags.UntrustedRoot) return true;
|
||
}
|
||
//
|
||
return false;
|
||
}
|
||
|
||
|
||
/*
|
||
SslPolicyErrors:
|
||
RemoteCertificateNotAvailable = 1, // 証明書が利用できません．
|
||
RemoteCertificateNameMismatch = 2, // 証明書名が不一致です．
|
||
RemoteCertificateChainErrors = 4, // ChainStatus が空でない配列を返しました．
|
||
*/
|
||
|
||
|
||
/// <summary>
|
||
/// Validate Server Certificate Callback Function
|
||
/// </summary>
|
||
/// <param name="obj"></param>
|
||
/// <param name="certificate"></param>
|
||
/// <param name="chain"></param>
|
||
/// <param name="sslPolicyErrors"></param>
|
||
/// <returns></returns>
|
||
public bool ValidateServerCertificate(object obj, X509Certificate certificate, X509Chain chain, SslPolicyErrors sslPolicyErrors)
|
||
{
|
||
m_log.InfoFormat("[NSL SERVER CERT VERIFY]: ValidateServerCertificate: Policy is ({0})", sslPolicyErrors);
|
||
|
||
if (obj is HttpWebRequest) {
|
||
HttpWebRequest Request = (HttpWebRequest)obj;
|
||
string noVerify = Request.Headers.Get("NoVerifyCert");
|
||
if ((noVerify != null) && (noVerify.ToLower() == "true")) {
|
||
m_log.InfoFormat("[NSL SERVER CERT VERIFY]: ValidateServerCertificate: No Verify Server Certificate.");
|
||
return true;
|
||
}
|
||
}
|
||
|
||
X509Certificate2 certificate2 = new X509Certificate2(certificate);
|
||
string commonname = certificate2.GetNameInfo(X509NameType.SimpleName, false);
|
||
m_log.InfoFormat("[NSL SERVER CERT VERIFY]: ValidateServerCertificate: Common Name is \"{0}\"", commonname);
|
||
|
||
/*
|
||
// RemoteCertificateNotAvailableはエラーとする．
|
||
if ((sslPolicyErrors & SslPolicyErrors.RemoteCertificateNotAvailable)==SslPolicyErrors.RemoteCertificateNotAvailable) {
|
||
m_log.InfoFormat("[NSL SERVER CERT VERIFY]: ValidateServerCertificate: Policy Error! {0}", sslPolicyErrors);
|
||
return false;
|
||
}
|
||
*/
|
||
|
||
// None, ChainErrors Error except for． // None, ChainErrors 以外は全てエラーとする．
|
||
if ((sslPolicyErrors != SslPolicyErrors.None) && (sslPolicyErrors != SslPolicyErrors.RemoteCertificateChainErrors)) {
|
||
m_log.InfoFormat("[NSL SERVER CERT VERIFY]: ValidateServerCertificate: Policy Error! {0}", sslPolicyErrors);
|
||
return false;
|
||
}
|
||
|
||
bool valid = CheckPrivateChain(certificate2);
|
||
if (valid) {
|
||
m_log.InfoFormat("[NSL SERVER CERT VERIFY]: ValidateServerCertificate: Valid Server Certification for \"{0}\"", commonname);
|
||
}
|
||
else {
|
||
m_log.InfoFormat("[NSL SERVER CERT VERIFY]: ValidateServerCertificate: Failed to Verify Server Certification for \"{0}\"", commonname);
|
||
}
|
||
return valid;
|
||
}
|
||
|
||
|
||
/// <summary>
|
||
/// Validate Client Certificate Callback Function
|
||
/// </summary>
|
||
/// <param name="obj"></param>
|
||
/// <param name="certificate"></param>
|
||
/// <param name="chain"></param>
|
||
/// <param name="sslPolicyErrors"></param>
|
||
/// <returns></returns>
|
||
public bool ValidateClientCertificate(object obj, X509Certificate certificate, X509Chain chain, SslPolicyErrors sslPolicyErrors)
|
||
{
|
||
m_log.InfoFormat("[NSL CLIENT CERT VERIFY]: ValidateClientCertificate: Start.");
|
||
|
||
if (certificate==null) {
|
||
m_log.InfoFormat("[NSL CLIENT CERT VERIFY]: ValidateClientCertificate: Client does not have a Certificate!");
|
||
return false;
|
||
}
|
||
|
||
X509Certificate2 certificate2 = new X509Certificate2(certificate);
|
||
string commonname = certificate2.GetNameInfo(X509NameType.SimpleName, false);
|
||
m_log.InfoFormat("[NSL CLIENT CERT VERIFY]: ValidateClientCertificate: Common Name is \"{0}\"", commonname);
|
||
|
||
// None, ChainErrors 以外は全てエラーとする．
|
||
if (sslPolicyErrors!=SslPolicyErrors.None && sslPolicyErrors!=SslPolicyErrors.RemoteCertificateChainErrors) {
|
||
m_log.InfoFormat("[NSL CLIENT CERT VERIFY]: ValidateClientCertificate: Policy Error! {0}", sslPolicyErrors);
|
||
return false;
|
||
}
|
||
|
||
// check CRL
|
||
if (m_clientcrl!=null) {
|
||
Mono.Security.X509.X509Certificate monocert = new Mono.Security.X509.X509Certificate(certificate.GetRawCertData());
|
||
Mono.Security.X509.X509Crl.X509CrlEntry entry = m_clientcrl.GetCrlEntry(monocert);
|
||
if (entry!=null) {
|
||
m_log.InfoFormat("[NSL CLIENT CERT VERIFY]: Common Name \"{0}\" was revoked at {1}", commonname, entry.RevocationDate.ToString());
|
||
return false;
|
||
}
|
||
}
|
||
|
||
bool valid = CheckPrivateChain(certificate2);
|
||
if (valid) {
|
||
m_log.InfoFormat("[NSL CLIENT CERT VERIFY]: Valid Client Certification for \"{0}\"", commonname);
|
||
}
|
||
else {
|
||
m_log.InfoFormat("[NSL CLIENT CERT VERIFY]: Failed to Verify Client Certification for \"{0}\"", commonname);
|
||
}
|
||
return valid;
|
||
}
|
||
}
|
||
|
||
|
||
/*
|
||
/// <summary>
|
||
/// class NSL Certificate Policy
|
||
/// </summary>
|
||
public class NSLCertificatePolicy : ICertificatePolicy
|
||
{
|
||
/// <summary>
|
||
/// Check Validation Result
|
||
/// </summary>
|
||
/// <param name="srvPoint"></param>
|
||
/// <param name="certificate"></param>
|
||
/// <param name="request"></param>
|
||
/// <param name="certificateProblem"></param>
|
||
/// <returns></returns>
|
||
public bool CheckValidationResult(ServicePoint srvPoint, X509Certificate certificate, WebRequest request, int certificateProblem)
|
||
{
|
||
if (certificateProblem == 0 || // normal // 正常
|
||
certificateProblem == -2146762487 || // Not trusted // 信頼されてない
|
||
certificateProblem == -2146762495 || // Expired // 期限切れ
|
||
certificateProblem == -2146762481) { // Incorrect name // 名前不正
|
||
return true;
|
||
}
|
||
else {
|
||
return false;
|
||
}
|
||
}
|
||
}
|
||
*/
|
||
}
|