#if MONO_SECURITY_ALIAS
extern alias MonoSecurity;
#endif
-#if MONO_X509_ALIAS
-extern alias PrebuiltSystem;
-#endif
#if MONO_SECURITY_ALIAS
using MonoSecurity::Mono.Security.Interface;
using MSX = Mono.Security.X509;
using Mono.Security.X509.Extensions;
#endif
-#if MONO_X509_ALIAS
-using XX509CertificateCollection = PrebuiltSystem::System.Security.Cryptography.X509Certificates.X509CertificateCollection;
-using XX509Chain = PrebuiltSystem::System.Security.Cryptography.X509Certificates.X509Chain;
-#else
using XX509CertificateCollection = System.Security.Cryptography.X509Certificates.X509CertificateCollection;
using XX509Chain = System.Security.Cryptography.X509Certificates.X509Chain;
-#endif
using System;
using System.Net;
{
internal delegate bool ServerCertValidationCallbackWrapper (ServerCertValidationCallback callback, X509Certificate certificate, X509Chain chain, MonoSslPolicyErrors sslPolicyErrors);
- internal class ChainValidationHelper : ICertificateValidator
+ internal class ChainValidationHelper : ICertificateValidator2
{
readonly object sender;
readonly MonoTlsSettings settings;
readonly MonoTlsStream tlsStream;
readonly HttpWebRequest request;
- static bool is_macosx;
- static bool is_mobile;
-#if !MOBILE
- static X509RevocationMode revocation_mode;
-#endif
-
- static ChainValidationHelper ()
- {
-#if MONOTOUCH
- is_macosx = true;
- is_mobile = true;
-#elif MONODROID
- is_macosx = false;
- is_mobile = true;
-#else
- is_macosx = System.IO.File.Exists (OSX509Certificates.SecurityLibrary);
- is_mobile = false;
-#endif
-
-#if !MOBILE
- revocation_mode = X509RevocationMode.NoCheck;
- try {
- string str = Environment.GetEnvironmentVariable ("MONO_X509_REVOCATION_MODE");
- if (String.IsNullOrEmpty (str))
- return;
- revocation_mode = (X509RevocationMode)Enum.Parse (typeof(X509RevocationMode), str, true);
- } catch {
- }
-#endif
- }
-
internal static ICertificateValidator GetDefaultValidator (MonoTlsProvider provider, MonoTlsSettings settings)
{
if (settings == null)
certValidationCallback = new ServerCertValidationCallback (callback);
}
certSelectionCallback = Private.CallbackHelpers.MonoToInternal (settings.ClientCertificateSelectionCallback);
- fallbackToSPM = settings.UseServicePointManagerCallback;
+ fallbackToSPM = settings.UseServicePointManagerCallback ?? stream != null;
}
if (stream != null) {
var certs = new XX509CertificateCollection ();
certs.Add (new X509Certificate2 (certificate.GetRawCertData ()));
- var result = ValidateChain (string.Empty, true, certs, (SslPolicyErrors)errors);
+ var result = ValidateChain (string.Empty, true, certificate, null, certs, (SslPolicyErrors)errors);
if (result == null)
return false;
public ValidationResult ValidateCertificate (string host, bool serverMode, XX509CertificateCollection certs)
{
try {
- var result = ValidateChain (host, serverMode, certs, 0);
+ X509Certificate leaf;
+ if (certs != null && certs.Count != 0)
+ leaf = certs [0];
+ else
+ leaf = null;
+ var result = ValidateChain (host, serverMode, leaf, null, certs, 0);
if (tlsStream != null)
tlsStream.CertificateValidationFailed = result == null || !result.Trusted || result.UserDenied;
return result;
}
}
- ValidationResult ValidateChain (string host, bool server, XX509CertificateCollection certs, SslPolicyErrors errors)
+ public ValidationResult ValidateCertificate (string host, bool serverMode, X509Certificate leaf, XX509Chain xchain)
+ {
+ try {
+ var chain = xchain;
+ var result = ValidateChain (host, serverMode, leaf, chain, null, 0);
+ if (tlsStream != null)
+ tlsStream.CertificateValidationFailed = result == null || !result.Trusted || result.UserDenied;
+ return result;
+ } catch {
+ if (tlsStream != null)
+ tlsStream.CertificateValidationFailed = true;
+ throw;
+ }
+ }
+
+ ValidationResult ValidateChain (string host, bool server, X509Certificate leaf,
+ X509Chain chain, XX509CertificateCollection certs,
+ SslPolicyErrors errors)
+ {
+ var oldChain = chain;
+ var ownsChain = chain == null;
+ try {
+ var result = ValidateChain (host, server, leaf, ref chain, certs, errors);
+ if (chain != oldChain)
+ ownsChain = true;
+
+ return result;
+ } finally {
+ // If ValidateChain() changed the chain, then we need to free it.
+ if (ownsChain && chain != null)
+ chain.Dispose ();
+ }
+ }
+
+ ValidationResult ValidateChain (string host, bool server, X509Certificate leaf,
+ ref X509Chain chain, XX509CertificateCollection certs,
+ SslPolicyErrors errors)
{
// user_denied is true if the user callback is called and returns false
bool user_denied = false;
var hasCallback = certValidationCallback != null || callbackWrapper != null;
- X509Certificate leaf;
- if (certs == null || certs.Count == 0)
- leaf = null;
- else
- leaf = certs [0];
-
if (tlsStream != null)
- request.ServicePoint.SetServerCertificate (leaf);
+ request.ServicePoint.UpdateServerCertificate (leaf);
if (leaf == null) {
errors |= SslPolicyErrors.RemoteCertificateNotAvailable;
ICertificatePolicy policy = ServicePointManager.GetLegacyCertificatePolicy ();
int status11 = 0; // Error code passed to the obsolete ICertificatePolicy callback
- X509Chain chain = null;
bool wantsChain = SystemCertificateValidator.NeedsChain (settings);
if (!wantsChain && hasCallback) {
wantsChain = true;
}
- if (wantsChain)
- chain = SystemCertificateValidator.CreateX509Chain (certs);
-
- if (wantsChain || SystemCertificateValidator.NeedsChain (settings))
- SystemCertificateValidator.BuildX509Chain (certs, chain, ref errors, ref status11);
-
bool providerValidated = false;
if (provider != null && provider.HasCustomSystemCertificateValidator) {
var xerrors = (MonoSslPolicyErrors)errors;
- var xchain = (XX509Chain)(object)chain;
- providerValidated = provider.InvokeSystemCertificateValidator (this, host, server, certs, xchain, out result, ref xerrors, ref status11);
+ var xchain = chain;
+ providerValidated = provider.InvokeSystemCertificateValidator (this, host, server, certs, wantsChain, ref xchain, out result, ref xerrors, ref status11);
+ chain = xchain;
errors = (SslPolicyErrors)xerrors;
+ } else if (wantsChain) {
+ chain = SystemCertificateValidator.CreateX509Chain (certs);
}
if (!providerValidated)
public bool InvokeSystemValidator (string targetHost, bool serverMode, XX509CertificateCollection certificates, XX509Chain xchain, ref MonoSslPolicyErrors xerrors, ref int status11)
{
- X509Chain chain = (X509Chain)(object)xchain;
+ X509Chain chain = xchain;
var errors = (SslPolicyErrors)xerrors;
var result = SystemCertificateValidator.Evaluate (settings, targetHost, certificates, chain, ref errors, ref status11);
xerrors = (MonoSslPolicyErrors)errors;