コード例 #1
0
 internal static unsafe partial void SslCtxSetCaching(SafeSslContextHandle ctx, int mode);
コード例 #2
0
 internal static unsafe partial void SslCtxSetVerify(SafeSslContextHandle ctx, delegate *unmanaged <int, IntPtr, int> callback);
コード例 #3
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 internal static partial bool SetEncryptionPolicy(SafeSslContextHandle ctx, EncryptionPolicy policy);
コード例 #4
0
 internal static partial int SslCtxUseCertificate(SafeSslContextHandle ctx, SafeX509Handle certPtr);
コード例 #5
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 internal static partial int SslCtxCheckPrivateKey(SafeSslContextHandle ctx);
コード例 #6
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 internal static extern int SslCtxSetAlpnProtos(SafeSslContextHandle ctx, IntPtr protos, int len);
コード例 #7
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        // This essentially wraps SSL_CTX* aka SSL_CTX_new + setting
        internal static SafeSslContextHandle AllocateSslContext(SafeFreeSslCredentials credential, SslAuthenticationOptions sslAuthenticationOptions, SslProtocols protocols, bool enableResume)
        {
            SafeX509Handle?   certHandle    = credential.CertHandle;
            SafeEvpPKeyHandle?certKeyHandle = credential.CertKeyHandle;

            // Always use SSLv23_method, regardless of protocols.  It supports negotiating to the highest
            // mutually supported version and can thus handle any of the set protocols, and we then use
            // SetProtocolOptions to ensure we only allow the ones requested.
            SafeSslContextHandle sslCtx = Ssl.SslCtxCreate(Ssl.SslMethods.SSLv23_method);

            try
            {
                if (sslCtx.IsInvalid)
                {
                    throw CreateSslException(SR.net_allocate_ssl_context_failed);
                }

                Ssl.SslCtxSetProtocolOptions(sslCtx, protocols);

                if (sslAuthenticationOptions.EncryptionPolicy != EncryptionPolicy.RequireEncryption)
                {
                    // Sets policy and security level
                    if (!Ssl.SetEncryptionPolicy(sslCtx, sslAuthenticationOptions.EncryptionPolicy))
                    {
                        throw new SslException(SR.Format(SR.net_ssl_encryptionpolicy_notsupported, sslAuthenticationOptions.EncryptionPolicy));
                    }
                }

                byte[]? cipherList =
                    CipherSuitesPolicyPal.GetOpenSslCipherList(sslAuthenticationOptions.CipherSuitesPolicy, protocols, sslAuthenticationOptions.EncryptionPolicy);

                Debug.Assert(cipherList == null || (cipherList.Length >= 1 && cipherList[cipherList.Length - 1] == 0));

                byte[]? cipherSuites =
                    CipherSuitesPolicyPal.GetOpenSslCipherSuites(sslAuthenticationOptions.CipherSuitesPolicy, protocols, sslAuthenticationOptions.EncryptionPolicy);

                Debug.Assert(cipherSuites == null || (cipherSuites.Length >= 1 && cipherSuites[cipherSuites.Length - 1] == 0));

                unsafe
                {
                    fixed(byte *cipherListStr = cipherList)
                    fixed(byte *cipherSuitesStr = cipherSuites)
                    {
                        if (!Ssl.SslCtxSetCiphers(sslCtx, cipherListStr, cipherSuitesStr))
                        {
                            Crypto.ErrClearError();
                            throw new PlatformNotSupportedException(SR.Format(SR.net_ssl_encryptionpolicy_notsupported, sslAuthenticationOptions.EncryptionPolicy));
                        }
                    }
                }

                // The logic in SafeSslHandle.Disconnect is simple because we are doing a quiet
                // shutdown (we aren't negotiating for session close to enable later session
                // restoration).
                //
                // If you find yourself wanting to remove this line to enable bidirectional
                // close-notify, you'll probably need to rewrite SafeSslHandle.Disconnect().
                // https://www.openssl.org/docs/manmaster/ssl/SSL_shutdown.html
                Ssl.SslCtxSetQuietShutdown(sslCtx);

                Ssl.SslCtxSetCaching(sslCtx, enableResume ? 1 : 0);

                if (sslAuthenticationOptions.IsServer && sslAuthenticationOptions.ApplicationProtocols != null && sslAuthenticationOptions.ApplicationProtocols.Count != 0)
                {
                    unsafe
                    {
                        Interop.Ssl.SslCtxSetAlpnSelectCb(sslCtx, &AlpnServerSelectCallback, IntPtr.Zero);
                    }
                }

                bool hasCertificateAndKey =
                    certHandle != null && !certHandle.IsInvalid &&
                    certKeyHandle != null && !certKeyHandle.IsInvalid;

                if (hasCertificateAndKey)
                {
                    SetSslCertificate(sslCtx, certHandle !, certKeyHandle !);
                }

                if (sslAuthenticationOptions.CertificateContext != null && sslAuthenticationOptions.CertificateContext.IntermediateCertificates.Length > 0)
                {
                    if (!Ssl.AddExtraChainCertificates(sslCtx, sslAuthenticationOptions.CertificateContext.IntermediateCertificates))
                    {
                        throw CreateSslException(SR.net_ssl_use_cert_failed);
                    }
                }
            }
            catch
            {
                sslCtx.Dispose();
                throw;
            }

            return(sslCtx);
        }
コード例 #8
0
ファイル: Interop.OpenSsl.cs プロジェクト: omajid/corefx
        internal static SafeSslHandle AllocateSslContext(SslProtocols protocols, SafeX509Handle certHandle, SafeEvpPKeyHandle certKeyHandle, EncryptionPolicy policy, SslAuthenticationOptions sslAuthenticationOptions)
        {
            SafeSslHandle context = null;

            // Always use SSLv23_method, regardless of protocols.  It supports negotiating to the highest
            // mutually supported version and can thus handle any of the set protocols, and we then use
            // SetProtocolOptions to ensure we only allow the ones requested.
            using (SafeSslContextHandle innerContext = Ssl.SslCtxCreate(Ssl.SslMethods.SSLv23_method))
            {
                if (innerContext.IsInvalid)
                {
                    throw CreateSslException(SR.net_allocate_ssl_context_failed);
                }

                // TLS 1.3 uses different ciphersuite restrictions than previous versions.
                // It has no equivalent to a NoEncryption option.
                if (policy == EncryptionPolicy.NoEncryption)
                {
                    if (protocols == SslProtocols.None)
                    {
                        protocols = SslProtocols.Tls | SslProtocols.Tls11 | SslProtocols.Tls12;
                    }
                    else
                    {
                        protocols &= ~SslProtocols.Tls13;

                        if (protocols == SslProtocols.None)
                        {
                            throw new SslException(
                                      SR.Format(SR.net_ssl_encryptionpolicy_notsupported, policy));
                        }
                    }
                }


                // Configure allowed protocols. It's ok to use DangerousGetHandle here without AddRef/Release as we just
                // create the handle, it's rooted by the using, no one else has a reference to it, etc.
                Ssl.SetProtocolOptions(innerContext.DangerousGetHandle(), protocols);

                // The logic in SafeSslHandle.Disconnect is simple because we are doing a quiet
                // shutdown (we aren't negotiating for session close to enable later session
                // restoration).
                //
                // If you find yourself wanting to remove this line to enable bidirectional
                // close-notify, you'll probably need to rewrite SafeSslHandle.Disconnect().
                // https://www.openssl.org/docs/manmaster/ssl/SSL_shutdown.html
                Ssl.SslCtxSetQuietShutdown(innerContext);

                if (!Ssl.SetEncryptionPolicy(innerContext, policy))
                {
                    Crypto.ErrClearError();
                    throw new PlatformNotSupportedException(SR.Format(SR.net_ssl_encryptionpolicy_notsupported, policy));
                }

                bool hasCertificateAndKey =
                    certHandle != null && !certHandle.IsInvalid &&
                    certKeyHandle != null && !certKeyHandle.IsInvalid;

                if (hasCertificateAndKey)
                {
                    SetSslCertificate(innerContext, certHandle, certKeyHandle);
                }

                if (sslAuthenticationOptions.IsServer && sslAuthenticationOptions.RemoteCertRequired)
                {
                    Ssl.SslCtxSetVerify(innerContext, s_verifyClientCertificate);
                }

                GCHandle alpnHandle = default;
                try
                {
                    if (sslAuthenticationOptions.ApplicationProtocols != null)
                    {
                        if (sslAuthenticationOptions.IsServer)
                        {
                            alpnHandle = GCHandle.Alloc(sslAuthenticationOptions.ApplicationProtocols);
                            Interop.Ssl.SslCtxSetAlpnSelectCb(innerContext, s_alpnServerCallback, GCHandle.ToIntPtr(alpnHandle));
                        }
                        else
                        {
                            if (Interop.Ssl.SslCtxSetAlpnProtos(innerContext, sslAuthenticationOptions.ApplicationProtocols) != 0)
                            {
                                throw CreateSslException(SR.net_alpn_config_failed);
                            }
                        }
                    }

                    context = SafeSslHandle.Create(innerContext, sslAuthenticationOptions.IsServer);
                    Debug.Assert(context != null, "Expected non-null return value from SafeSslHandle.Create");
                    if (context.IsInvalid)
                    {
                        context.Dispose();
                        throw CreateSslException(SR.net_allocate_ssl_context_failed);
                    }

                    if (!sslAuthenticationOptions.IsServer)
                    {
                        // The IdnMapping converts unicode input into the IDNA punycode sequence.
                        string punyCode = s_idnMapping.GetAscii(sslAuthenticationOptions.TargetHost);

                        // Similar to windows behavior, set SNI on openssl by default for client context, ignore errors.
                        if (!Ssl.SslSetTlsExtHostName(context, punyCode))
                        {
                            Crypto.ErrClearError();
                        }
                    }

                    if (hasCertificateAndKey)
                    {
                        bool hasCertReference = false;
                        try
                        {
                            certHandle.DangerousAddRef(ref hasCertReference);
                            using (X509Certificate2 cert = new X509Certificate2(certHandle.DangerousGetHandle()))
                            {
                                using (X509Chain chain = TLSCertificateExtensions.BuildNewChain(cert, includeClientApplicationPolicy: false))
                                {
                                    if (chain != null && !Ssl.AddExtraChainCertificates(context, chain))
                                    {
                                        throw CreateSslException(SR.net_ssl_use_cert_failed);
                                    }
                                }
                            }
                        }
                        finally
                        {
                            if (hasCertReference)
                            {
                                certHandle.DangerousRelease();
                            }
                        }
                    }

                    context.AlpnHandle = alpnHandle;
                }
                catch
                {
                    if (alpnHandle.IsAllocated)
                    {
                        alpnHandle.Free();
                    }

                    throw;
                }
            }

            return(context);
        }
コード例 #9
0
ファイル: Interop.Ssl.cs プロジェクト: SkyAperture/corefx
 internal static extern void SetEncryptionPolicy(SafeSslContextHandle ctx, EncryptionPolicy policy);
コード例 #10
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        internal static SafeSslHandle AllocateSslContext(SslProtocols protocols, SafeX509Handle certHandle, SafeEvpPKeyHandle certKeyHandle, EncryptionPolicy policy, bool isServer, bool remoteCertRequired)
        {
            SafeSslHandle context = null;

            IntPtr method = GetSslMethod(protocols);

            using (SafeSslContextHandle innerContext = Ssl.SslCtxCreate(method))
            {
                if (innerContext.IsInvalid)
                {
                    throw CreateSslException(SR.net_allocate_ssl_context_failed);
                }

                // Configure allowed protocols. It's ok to use DangerousGetHandle here without AddRef/Release as we just
                // create the handle, it's rooted by the using, no one else has a reference to it, etc.
                Ssl.SetProtocolOptions(innerContext.DangerousGetHandle(), protocols);

                // The logic in SafeSslHandle.Disconnect is simple because we are doing a quiet
                // shutdown (we aren't negotiating for session close to enable later session
                // restoration).
                //
                // If you find yourself wanting to remove this line to enable bidirectional
                // close-notify, you'll probably need to rewrite SafeSslHandle.Disconnect().
                // https://www.openssl.org/docs/manmaster/ssl/SSL_shutdown.html
                Ssl.SslCtxSetQuietShutdown(innerContext);

                if (!Ssl.SetEncryptionPolicy(innerContext, policy))
                {
                    throw new PlatformNotSupportedException(SR.Format(SR.net_ssl_encryptionpolicy_notsupported, policy));
                }

                bool hasCertificateAndKey =
                    certHandle != null && !certHandle.IsInvalid &&
                    certKeyHandle != null && !certKeyHandle.IsInvalid;

                if (hasCertificateAndKey)
                {
                    SetSslCertificate(innerContext, certHandle, certKeyHandle);
                }

                if (remoteCertRequired)
                {
                    Debug.Assert(isServer, "isServer flag should be true");
                    Ssl.SslCtxSetVerify(innerContext,
                                        s_verifyClientCertificate);

                    //update the client CA list
                    UpdateCAListFromRootStore(innerContext);
                }

                context = SafeSslHandle.Create(innerContext, isServer);
                Debug.Assert(context != null, "Expected non-null return value from SafeSslHandle.Create");
                if (context.IsInvalid)
                {
                    context.Dispose();
                    throw CreateSslException(SR.net_allocate_ssl_context_failed);
                }

                if (hasCertificateAndKey)
                {
                    bool hasCertReference = false;
                    try
                    {
                        certHandle.DangerousAddRef(ref hasCertReference);
                        using (X509Certificate2 cert = new X509Certificate2(certHandle.DangerousGetHandle()))
                        {
                            using (X509Chain chain = TLSCertificateExtensions.BuildNewChain(cert, includeClientApplicationPolicy: false))
                            {
                                if (chain != null && !Ssl.AddExtraChainCertificates(context, chain))
                                {
                                    throw CreateSslException(SR.net_ssl_use_cert_failed);
                                }
                            }
                        }
                    }
                    finally
                    {
                        if (hasCertReference)
                        {
                            certHandle.DangerousRelease();
                        }
                    }
                }
            }

            return(context);
        }
コード例 #11
0
 internal static partial void SslCtxSetDefaultOcspCallback(SafeSslContextHandle ctx);
コード例 #12
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 internal static partial SafeSslHandle SslCreate(SafeSslContextHandle ctx);
コード例 #13
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            public static SafeSslHandle Create(SafeSslContextHandle context, bool isServer)
            {
                SafeBioHandle readBio = Crypto.CreateMemoryBio();

                if (readBio.IsInvalid)
                {
                    return(new SafeSslHandle());
                }

                SafeBioHandle writeBio = Crypto.CreateMemoryBio();

                if (writeBio.IsInvalid)
                {
                    readBio.Dispose();
                    return(new SafeSslHandle());
                }

                SafeSslHandle handle = SSL_new(context);

                if (handle.IsInvalid)
                {
                    readBio.Dispose();
                    writeBio.Dispose();
                    return(handle);
                }
                handle._isServer = isServer;

                // After SSL_set_bio, the BIO handles are owned by SSL pointer
                // and are automatically freed by SSL_free. To prevent a double
                // free, we need to keep the ref counts bumped up till SSL_free
                bool gotRef = false;

                readBio.DangerousAddRef(ref gotRef);
                try
                {
                    bool ignore = false;
                    writeBio.DangerousAddRef(ref ignore);
                }
                catch
                {
                    if (gotRef)
                    {
                        readBio.DangerousRelease();
                    }
                    throw;
                }

                SSL_set_bio(handle, readBio, writeBio);
                handle._readBio  = readBio;
                handle._writeBio = writeBio;

                if (isServer)
                {
                    SSL_set_accept_state(handle);
                }
                else
                {
                    SSL_set_connect_state(handle);
                }
                return(handle);
            }
コード例 #14
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 internal static extern void SslCtxSetCertVerifyCallback(SafeSslContextHandle ctx, AppVerifyCallback cb, IntPtr arg);
コード例 #15
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ファイル: Interop.SslCtx.cs プロジェクト: pedrobsaila/runtime
 internal static unsafe partial void SslCtxSetAlpnSelectCb(SafeSslContextHandle ctx, delegate *unmanaged <IntPtr, byte **, byte *, byte *, uint, IntPtr, int> callback, IntPtr arg);
コード例 #16
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 internal static extern unsafe bool SetCiphers(SafeSslContextHandle ctx, byte *cipherList, byte *cipherSuites);
コード例 #17
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ファイル: Interop.SslCtx.cs プロジェクト: pedrobsaila/runtime
 internal static unsafe partial int SslCtxSetCaching(SafeSslContextHandle ctx, int mode, delegate *unmanaged <IntPtr, IntPtr, int> neewSessionCallback, delegate *unmanaged <IntPtr, IntPtr, void> removeSessionCallback);
コード例 #18
0
 internal static partial void SslCtxSetProtocolOptions(SafeSslContextHandle ctx, SslProtocols protocols);
コード例 #19
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 internal static extern unsafe void SslCtxSetAlpnSelectCb(SafeSslContextHandle ctx, SslCtxSetAlpnCallback callback, IntPtr arg);
コード例 #20
0
 internal static extern void SetProtocolOptions(SafeSslContextHandle ctx, SslProtocols protocols);
コード例 #21
0
 internal static partial bool SslCtxAddExtraChainCert(SafeSslContextHandle ctx, SafeX509Handle x509);
コード例 #22
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 internal static extern void SslCtxSetVerify(SafeSslContextHandle ctx, SslCtxSetVerifyCallback callback);
コード例 #23
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 internal static partial int SslCtxUsePrivateKey(SafeSslContextHandle ctx, SafeEvpPKeyHandle keyPtr);
コード例 #24
0
 internal static extern void SslCtxSetClientCAList(SafeSslContextHandle ctx, SafeX509NameStackHandle x509NameStackPtr);
コード例 #25
0
 internal static partial void SslCtxSetQuietShutdown(SafeSslContextHandle ctx);
コード例 #26
0
 internal static extern SafeSslHandle SslCreate(SafeSslContextHandle ctx);
コード例 #27
0
 internal static unsafe partial bool SslCtxSetCiphers(SafeSslContextHandle ctx, byte *cipherList, byte *cipherSuites);
コード例 #28
0
ファイル: Interop.SslCtx.cs プロジェクト: pedrobsaila/runtime
 internal static partial int SslCtxSetData(SafeSslContextHandle ctx, IntPtr data);
コード例 #29
0
        internal static SafeSslHandle AllocateSslContext(SslProtocols protocols, SafeX509Handle certHandle, SafeEvpPKeyHandle certKeyHandle, EncryptionPolicy policy, SslAuthenticationOptions sslAuthenticationOptions)
        {
            SafeSslHandle context = null;

            // Always use SSLv23_method, regardless of protocols.  It supports negotiating to the highest
            // mutually supported version and can thus handle any of the set protocols, and we then use
            // SetProtocolOptions to ensure we only allow the ones requested.
            using (SafeSslContextHandle innerContext = Ssl.SslCtxCreate(Ssl.SslMethods.SSLv23_method))
            {
                if (innerContext.IsInvalid)
                {
                    throw CreateSslException(SR.net_allocate_ssl_context_failed);
                }

                if (!Interop.Ssl.Tls13Supported)
                {
                    if (protocols != SslProtocols.None &&
                        CipherSuitesPolicyPal.WantsTls13(protocols))
                    {
                        protocols = protocols & (~SslProtocols.Tls13);
                    }
                }
                else if (CipherSuitesPolicyPal.WantsTls13(protocols) &&
                         CipherSuitesPolicyPal.ShouldOptOutOfTls13(sslAuthenticationOptions.CipherSuitesPolicy, policy))
                {
                    if (protocols == SslProtocols.None)
                    {
                        // we are using default settings but cipher suites policy says that TLS 1.3
                        // is not compatible with our settings (i.e. we requested no encryption or disabled
                        // all TLS 1.3 cipher suites)
                        protocols = SslProtocols.Tls | SslProtocols.Tls11 | SslProtocols.Tls12;
                    }
                    else
                    {
                        // user explicitly asks for TLS 1.3 but their policy is not compatible with TLS 1.3
                        throw new SslException(
                                  SR.Format(SR.net_ssl_encryptionpolicy_notsupported, policy));
                    }
                }

                if (CipherSuitesPolicyPal.ShouldOptOutOfLowerThanTls13(sslAuthenticationOptions.CipherSuitesPolicy, policy))
                {
                    if (!CipherSuitesPolicyPal.WantsTls13(protocols))
                    {
                        // We cannot provide neither TLS 1.3 or non TLS 1.3, user disabled all cipher suites
                        throw new SslException(
                                  SR.Format(SR.net_ssl_encryptionpolicy_notsupported, policy));
                    }

                    protocols = SslProtocols.Tls13;
                }

                // Configure allowed protocols. It's ok to use DangerousGetHandle here without AddRef/Release as we just
                // create the handle, it's rooted by the using, no one else has a reference to it, etc.
                Ssl.SetProtocolOptions(innerContext.DangerousGetHandle(), protocols);

                // Sets policy and security level
                if (!Ssl.SetEncryptionPolicy(innerContext, policy))
                {
                    throw new SslException(
                              SR.Format(SR.net_ssl_encryptionpolicy_notsupported, policy));
                }

                // The logic in SafeSslHandle.Disconnect is simple because we are doing a quiet
                // shutdown (we aren't negotiating for session close to enable later session
                // restoration).
                //
                // If you find yourself wanting to remove this line to enable bidirectional
                // close-notify, you'll probably need to rewrite SafeSslHandle.Disconnect().
                // https://www.openssl.org/docs/manmaster/ssl/SSL_shutdown.html
                Ssl.SslCtxSetQuietShutdown(innerContext);

                byte[] cipherList =
                    CipherSuitesPolicyPal.GetOpenSslCipherList(sslAuthenticationOptions.CipherSuitesPolicy, protocols, policy);

                Debug.Assert(cipherList == null || (cipherList.Length >= 1 && cipherList[cipherList.Length - 1] == 0));

                byte[] cipherSuites =
                    CipherSuitesPolicyPal.GetOpenSslCipherSuites(sslAuthenticationOptions.CipherSuitesPolicy, protocols, policy);

                Debug.Assert(cipherSuites == null || (cipherSuites.Length >= 1 && cipherSuites[cipherSuites.Length - 1] == 0));

                unsafe
                {
                    fixed(byte *cipherListStr = cipherList)
                    fixed(byte *cipherSuitesStr = cipherSuites)
                    {
                        if (!Ssl.SetCiphers(innerContext, cipherListStr, cipherSuitesStr))
                        {
                            Crypto.ErrClearError();
                            throw new PlatformNotSupportedException(SR.Format(SR.net_ssl_encryptionpolicy_notsupported, policy));
                        }
                    }
                }

                bool hasCertificateAndKey =
                    certHandle != null && !certHandle.IsInvalid &&
                    certKeyHandle != null && !certKeyHandle.IsInvalid;

                if (hasCertificateAndKey)
                {
                    SetSslCertificate(innerContext, certHandle, certKeyHandle);
                }

                if (sslAuthenticationOptions.IsServer && sslAuthenticationOptions.RemoteCertRequired)
                {
                    Ssl.SslCtxSetVerify(innerContext, s_verifyClientCertificate);
                }

                GCHandle alpnHandle = default;
                try
                {
                    if (sslAuthenticationOptions.ApplicationProtocols != null)
                    {
                        if (sslAuthenticationOptions.IsServer)
                        {
                            alpnHandle = GCHandle.Alloc(sslAuthenticationOptions.ApplicationProtocols);
                            Interop.Ssl.SslCtxSetAlpnSelectCb(innerContext, s_alpnServerCallback, GCHandle.ToIntPtr(alpnHandle));
                        }
                        else
                        {
                            if (Interop.Ssl.SslCtxSetAlpnProtos(innerContext, sslAuthenticationOptions.ApplicationProtocols) != 0)
                            {
                                throw CreateSslException(SR.net_alpn_config_failed);
                            }
                        }
                    }

                    context = SafeSslHandle.Create(innerContext, sslAuthenticationOptions.IsServer);
                    Debug.Assert(context != null, "Expected non-null return value from SafeSslHandle.Create");
                    if (context.IsInvalid)
                    {
                        context.Dispose();
                        throw CreateSslException(SR.net_allocate_ssl_context_failed);
                    }

                    if (!sslAuthenticationOptions.IsServer)
                    {
                        // The IdnMapping converts unicode input into the IDNA punycode sequence.
                        string punyCode = s_idnMapping.GetAscii(sslAuthenticationOptions.TargetHost);

                        // Similar to windows behavior, set SNI on openssl by default for client context, ignore errors.
                        if (!Ssl.SslSetTlsExtHostName(context, punyCode))
                        {
                            Crypto.ErrClearError();
                        }
                    }

                    if (hasCertificateAndKey)
                    {
                        bool hasCertReference = false;
                        try
                        {
                            certHandle.DangerousAddRef(ref hasCertReference);
                            using (X509Certificate2 cert = new X509Certificate2(certHandle.DangerousGetHandle()))
                            {
                                X509Chain chain = null;
                                try
                                {
                                    chain = TLSCertificateExtensions.BuildNewChain(cert, includeClientApplicationPolicy: false);
                                    if (chain != null && !Ssl.AddExtraChainCertificates(context, chain))
                                    {
                                        throw CreateSslException(SR.net_ssl_use_cert_failed);
                                    }
                                }
                                finally
                                {
                                    if (chain != null)
                                    {
                                        int elementsCount = chain.ChainElements.Count;
                                        for (int i = 0; i < elementsCount; i++)
                                        {
                                            chain.ChainElements[i].Certificate.Dispose();
                                        }

                                        chain.Dispose();
                                    }
                                }
                            }
                        }
                        finally
                        {
                            if (hasCertReference)
                            {
                                certHandle.DangerousRelease();
                            }
                        }
                    }

                    context.AlpnHandle = alpnHandle;
                }
                catch
                {
                    if (alpnHandle.IsAllocated)
                    {
                        alpnHandle.Free();
                    }

                    throw;
                }
            }

            return(context);
        }
コード例 #30
0
        internal static SafeSslHandle AllocateSslContext(SslProtocols protocols, SafeX509Handle certHandle, SafeEvpPKeyHandle certKeyHandle, EncryptionPolicy policy, SslAuthenticationOptions sslAuthenticationOptions)
        {
            SafeSslHandle context = null;

            // Always use SSLv23_method, regardless of protocols.  It supports negotiating to the highest
            // mutually supported version and can thus handle any of the set protocols, and we then use
            // SetProtocolOptions to ensure we only allow the ones requested.
            using (SafeSslContextHandle innerContext = Ssl.SslCtxCreate(Ssl.SslMethods.SSLv23_method))
            {
                if (innerContext.IsInvalid)
                {
                    throw CreateSslException(SR.net_allocate_ssl_context_failed);
                }

                // Configure allowed protocols. It's ok to use DangerousGetHandle here without AddRef/Release as we just
                // create the handle, it's rooted by the using, no one else has a reference to it, etc.
                Ssl.SetProtocolOptions(innerContext.DangerousGetHandle(), protocols);

                // The logic in SafeSslHandle.Disconnect is simple because we are doing a quiet
                // shutdown (we aren't negotiating for session close to enable later session
                // restoration).
                //
                // If you find yourself wanting to remove this line to enable bidirectional
                // close-notify, you'll probably need to rewrite SafeSslHandle.Disconnect().
                // https://www.openssl.org/docs/manmaster/ssl/SSL_shutdown.html
                Ssl.SslCtxSetQuietShutdown(innerContext);

                if (!Ssl.SetEncryptionPolicy(innerContext, policy))
                {
                    throw new PlatformNotSupportedException(SR.Format(SR.net_ssl_encryptionpolicy_notsupported, policy));
                }

                bool hasCertificateAndKey =
                    certHandle != null && !certHandle.IsInvalid &&
                    certKeyHandle != null && !certKeyHandle.IsInvalid;

                if (hasCertificateAndKey)
                {
                    SetSslCertificate(innerContext, certHandle, certKeyHandle);
                }

                if (sslAuthenticationOptions.IsServer && sslAuthenticationOptions.RemoteCertRequired)
                {
                    Ssl.SslCtxSetVerify(innerContext, s_verifyClientCertificate);

                    //update the client CA list
                    UpdateCAListFromRootStore(innerContext);
                }

                if (sslAuthenticationOptions.ApplicationProtocols != null)
                {
                    if (sslAuthenticationOptions.IsServer)
                    {
                        byte[] protos = Interop.Ssl.ConvertAlpnProtocolListToByteArray(sslAuthenticationOptions.ApplicationProtocols);
                        sslAuthenticationOptions.AlpnProtocolsHandle = GCHandle.Alloc(protos);
                        Interop.Ssl.SslCtxSetAlpnSelectCb(innerContext, s_alpnServerCallback, GCHandle.ToIntPtr(sslAuthenticationOptions.AlpnProtocolsHandle));
                    }
                    else
                    {
                        if (Interop.Ssl.SslCtxSetAlpnProtos(innerContext, sslAuthenticationOptions.ApplicationProtocols) != 0)
                        {
                            throw CreateSslException(SR.net_alpn_config_failed);
                        }
                    }
                }

                context = SafeSslHandle.Create(innerContext, sslAuthenticationOptions.IsServer);
                Debug.Assert(context != null, "Expected non-null return value from SafeSslHandle.Create");
                if (context.IsInvalid)
                {
                    context.Dispose();
                    throw CreateSslException(SR.net_allocate_ssl_context_failed);
                }

                if (hasCertificateAndKey)
                {
                    bool hasCertReference = false;
                    try
                    {
                        certHandle.DangerousAddRef(ref hasCertReference);
                        using (X509Certificate2 cert = new X509Certificate2(certHandle.DangerousGetHandle()))
                        {
                            using (X509Chain chain = TLSCertificateExtensions.BuildNewChain(cert, includeClientApplicationPolicy: false))
                            {
                                if (chain != null && !Ssl.AddExtraChainCertificates(context, chain))
                                {
                                    throw CreateSslException(SR.net_ssl_use_cert_failed);
                                }
                            }
                        }
                    }
                    finally
                    {
                        if (hasCertReference)
                        {
                            certHandle.DangerousRelease();
                        }
                    }
                }
            }

            return(context);
        }