public void ResponseMessage(long ID, MessageResponse Response) { if (SyncPolicy.RequestCertPolicyMessageID == ID) { if (Response == MessageResponse.Button2) //Nö { Status.UpdateMessage2(); return; } if (Response == MessageResponse.Button3) //?!? { return; } if (Response == MessageResponse.Button1) //Yes { FilesystemData.InstallCertificate(SyncPolicy.RequestCertPolicyCERData); InvokeMessage(MessageInvoke.ReloadPolicies); } } }
public static bool DoSyncPolicy() { RequestCertPolicyID = 0; RequestCertPolicyMessageID = 0; RequestCertPolicyCERData = null; List <Int64> ProcessedPolicies = new List <long>(); Network net; net = Utilities.ConnectNetwork(9); if (net == null) { return(false); } Status.UpdateMessage(9, "Downloading client settings"); FoxEventLog.VerboseWriteEventLog("Downloading client settings", System.Diagnostics.EventLogEntryType.Information); ClientSettings settings = net.GetClientSettings(); if (settings != null) { RegistryData.AdministratorName = settings.AdministratorName; RegistryData.MessageDisclaimer = settings.MessageDisclaimer; } Status.UpdateMessage(9, "Downloading policies"); FoxEventLog.VerboseWriteEventLog("Downloading policies", System.Diagnostics.EventLogEntryType.Information); PolicyObjectListSigned policieslistsigned = net.GetPoliciesForComputer(); List <PolicyObjectSigned> policies = policieslistsigned == null ? null : policieslistsigned.Items; if (policies == null) { FoxEventLog.VerboseWriteEventLog("Downloading policies - nix", System.Diagnostics.EventLogEntryType.Information); Status.UpdateMessage(9); net.CloseConnection(); return(true); } if (FilesystemData.LoadedCertificates.Count > 0) { bool SignatureOK = false; foreach (FilesystemCertificateData cer in FilesystemData.LoadedCertificates) { if (Certificates.Verify(policieslistsigned, cer.Certificate) == true) { SignatureOK = true; break; } } if (SignatureOK == false) { FoxEventLog.WriteEventLog("Invalid signature for PolicyList - no policies will be processed.", System.Diagnostics.EventLogEntryType.Error); net.CloseConnection(); return(true); } } if (RegistryData.Verbose == 1) { string data = "Got policy:\r\n"; foreach (PolicyObjectSigned obj in policies) { data += obj.Policy.Name + " [ID: " + obj.Policy.ID + " VER: " + obj.Policy.Version + "]\r\n"; } FoxEventLog.VerboseWriteEventLog("Downloading policies " + data, System.Diagnostics.EventLogEntryType.Information); } if (FilesystemData.LoadedCertificates.Count > 0) { foreach (PolicyObjectSigned obj in policies) { if (ApplicationCertificate.Verify(obj) == false) { FoxEventLog.WriteEventLog("One or more policies were tampered - no policies will be processed.", System.Diagnostics.EventLogEntryType.Error); net.CloseConnection(); return(true); } } } #region Certificate Checks foreach (PolicyObjectSigned obj in policies) { if (obj.Policy.Type == PolicyIDs.SignCertificate) { if (FilesystemData.ContainsPolicy(obj.Policy, false, false) == true) { continue; } PolicyObjectSigned objj = net.GetPolicyObjectSigned(obj.Policy.ID); //do not verify signing here - that won't work! - Fox PolicySigningCertificates Cert = JsonConvert.DeserializeObject <PolicySigningCertificates>(objj.Policy.Data); if (FilesystemData.ContainsLoadedCert(Convert.FromBase64String(Cert.UUCerFile)) == true) { continue; } bool sig = Certificates.Verify(Convert.FromBase64String(Cert.UUCerFile), Convert.FromBase64String(Cert.UUSignFile), InternalCertificate.Main); if (sig == false) { RequestCertPolicyID = objj.Policy.ID; RequestCertPolicyCERData = Convert.FromBase64String(Cert.UUCerFile); string CN = Certificates.GetCN(Convert.FromBase64String(Cert.UUCerFile)); if (CN == null) { FoxEventLog.WriteEventLog("Invalid certificate from server (Policy ID=" + objj.Policy.ID.ToString() + " Name=" + objj.Policy.Name + ")", System.Diagnostics.EventLogEntryType.Error); continue; } Status.RequestCertificateConfirm("The certificate with " + CN + " is not signed by Vulpes. This may that someone tampered the connection, or a false certificate is installed on the server.\nDo you want to continue, and trust this certificate?", RequestCertPolicyID); RequestCertPolicyMessageID = Status.MessageID; FoxEventLog.WriteEventLog("Got unsinged certificate (Policy ID=" + objj.Policy.ID.ToString() + " Name=" + objj.Policy.Name + " " + CN + ")", System.Diagnostics.EventLogEntryType.Warning); } else { string CN = Certificates.GetCN(Convert.FromBase64String(Cert.UUCerFile)); if (CN == null) { FoxEventLog.WriteEventLog("Invalid (Vulpes signed) certificate from server (Policy ID=" + objj.Policy.ID.ToString() + " Name=" + objj.Policy.Name + ")", System.Diagnostics.EventLogEntryType.Error); continue; } FilesystemData.InstallCertificate(Convert.FromBase64String(Cert.UUCerFile)); } } } #endregion if (FilesystemData.LoadedCertificates.Count > 0) { foreach (PolicyObjectSigned obj in policies) { if (FilesystemData.ContainsPolicy(obj.Policy, false, false) == true) { if (ProcessedPolicies.Contains(obj.Policy.ID) == false) { ProcessedPolicies.Add(obj.Policy.ID); } FilesystemData.UpdatePolicyOrder(obj.Policy, obj.Policy.Order); continue; } PolicyObjectSigned objj = net.GetPolicyObjectSigned(obj.Policy.ID); if (objj == null) { FoxEventLog.WriteEventLog("No data for policy - not applying (Policy ID=" + obj.Policy.ID.ToString() + " Name=" + obj.Policy.Name + ")", System.Diagnostics.EventLogEntryType.Error); continue; } if (ApplicationCertificate.Verify(objj) == false) { FoxEventLog.WriteEventLog("Policy was tampered - not applying (Policy ID=" + objj.Policy.ID.ToString() + " Name=" + objj.Policy.Name + ")", System.Diagnostics.EventLogEntryType.Error); continue; } if (FilesystemData.InstallPolicy(objj.Policy, obj.Policy.Order) == false) { continue; } if (ProcessedPolicies.Contains(obj.Policy.ID) == false) { ProcessedPolicies.Add(obj.Policy.ID); } } List <LoadedPolicyObject> RemovePol = new List <LoadedPolicyObject>(); foreach (LoadedPolicyObject lobj in FilesystemData.LoadedPolicyObjects) { if (ProcessedPolicies.Contains(lobj.PolicyObject.ID) == false) { RemovePol.Add(lobj); } } foreach (LoadedPolicyObject lobj in RemovePol) { FilesystemData.DeletePolicy(lobj); } } net.CloseConnection(); if (RequestCertPolicyID == 0) { Status.UpdateMessage(9); } FoxEventLog.VerboseWriteEventLog("Downloading policies - DONE", System.Diagnostics.EventLogEntryType.Information); return(true); }