Opensuse

“無法獲取本地頒發者證書”和“tlsv1 無法辨識的名稱”

  • August 15, 2017

我在使用 Paypal IPN 回發驗證時遇到問題。問題出現在一個月前，我相信當 Paypal 更新他們的安全標準和證書時。

我的網站正在執行 Magento 1.8.1.0，它在後台使用 php-curl。它執行 openSUSE 12.3 並且：

PHP 5.3.17
Apache 2.2.29
mysql  Ver 14.14 Distrib 5.5.33
OpenSSL 1.0.1j

安裝的 curl 版本是：

curl -V
curl 7.28.1 (x86_64-suse-linux-gnu) libcurl/7.28.1 OpenSSL/1.0.1j zlib/1.2.7 libidn/1.25 libssh2/1.4.3
Protocols: dict file ftp ftps gopher http https imap imaps ldap ldaps pop3 pop3s rtsp scp sftp smtp smtps telnet tftp 
Features: AsynchDNS GSS-Negotiate IDN IPv6 Largefile NTLM NTLM_WB SSL libz TLS-SRP

我啟用了 curl 日誌，似乎 Paypal IPN 端點 ( https://www.paypal.com/cgi-bin/webscr ) 正在用 HTTP 500 錯誤回答我：

< HTTP/1.1 500 Internal Server Error
< Date: Fri, 14 Oct 2016 09:44:18 GMT
< Server: Apache/2.2.29 (Linux/SUSE)
< Vary: accept-language,accept-charset
< Accept-Ranges: bytes
< Connection: close
< Content-Type: text/html; charset=iso-8859-1
< Content-Language: en
< X-Pad: avoid browser bug
< 
* Closing connection #0
* About to connect() to www.paypal.com port 443 (#0)
* Trying 23.223.77.167...
* connected
* Connected to www.paypal.com (23.223.77.167) port 443 (#0)
* successfully set certificate verify locations:
* CAfile: none
CApath: /etc/ssl/certs/
* error:14077458:SSL routines:SSL23_GET_SERVER_HELLO:tlsv1 unrecognized name
* Closing connection #0

我試圖從命令行測試這個問題（我不知道這個輸出是否有意義）：

openssl s_client -connect paypal.com:443
CONNECTED(00000003)
depth=1 C = US, O = DigiCert Inc, OU = www.digicert.com, CN = DigiCert SHA2 High Assurance Server CA
verify error:num=20:unable to get local issuer certificate
verify return:0
---
Certificate chain
0 s:/C=US/ST=California/L=San Jose/O=PayPal, Inc./OU=PayPal Production/CN=paypal.com
  i:/C=US/O=DigiCert Inc/OU=www.digicert.com/CN=DigiCert SHA2 High Assurance Server CA
1 s:/C=US/O=DigiCert Inc/OU=www.digicert.com/CN=DigiCert SHA2 High Assurance Server CA
  i:/C=US/O=DigiCert Inc/OU=www.digicert.com/CN=DigiCert High Assurance EV Root CA
---
Server certificate
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
subject=/C=US/ST=California/L=San Jose/O=PayPal, Inc./OU=PayPal Production/CN=paypal.com
issuer=/C=US/O=DigiCert Inc/OU=www.digicert.com/CN=DigiCert SHA2 High Assurance Server CA
---
No client certificate CA names sent
---
SSL handshake has read 2791 bytes and written 663 bytes
---
New, TLSv1/SSLv3, Cipher is AES256-SHA256
Server public key is 2048 bit
Secure Renegotiation IS supported
Compression: NONE
Expansion: NONE
SSL-Session:
   Protocol  : TLSv1.2
   Cipher    : AES256-SHA256
   Session-ID: 53D6D36E366DBA89D458ABABFB9A08E5A6C470A61DFF00C908B3C8EAB320DB3F
   Session-ID-ctx: 
   Master-Key: 782AB9DDB7319512EFAA3F1843D1E70013E3E8BD384C20584537878DA09B0D9F0E1D6CD39624DD0CDC2BC0DD96616469
   Key-Arg   : None
   PSK identity: None
   PSK identity hint: None
   SRP username: None
   Start Time: 1476950153
   Timeout   : 300 (sec)
   Verify return code: 20 (unable to get local issuer certificate)
---

這是使用 php-curl 的 PHP 程式碼：

/**
    * Post back to PayPal to check whether this request is a valid one
    *
    * @param Zend_Http_Client_Adapter_Interface $httpAdapter
    */
   protected function _postBack(Zend_Http_Client_Adapter_Interface $httpAdapter)
   {
           $sReq = '';
           foreach ($this->_request as $k => $v) {
               $sReq .= '&'.$k.'='.urlencode($v);
           }
           $sReq .= "&cmd=_notify-validate";
           $sReq = substr($sReq, 1);
           $this->_debugData['postback'] = $sReq;
           $this->_debugData['postback_to'] = $this->_config->getPaypalUrl();

           $httpAdapter->setConfig(array('verifypeer' => $this->_config->verifyPeer));

           $httpAdapter->addOption(CURLOPT_SSLVERSION,6);//CURL_SSLVERSION_TLSv1_2

           $httpAdapter->write(Zend_Http_Client::POST, $this->_config->getPaypalUrl(), '1.1', array(
               'Connection: close', 'User-Agent: XXXXXXXX'
           ), $sReq);
           try {
               $response = $httpAdapter->read();
           } catch (Exception $e) {
               $this->_debugData['http_error'] = array('error' => $e->getMessage(), 'code' => $e->getCode());
               throw $e;
           }
           $this->_debugData['postback_result'] = $response;

           $response = preg_split('/^\r?$/m', $response, 2);
           $response = trim($response[1]);
           if ($response != 'VERIFIED') {
               throw new Exception('PayPal IPN postback failure. See ' . self::DEFAULT_LOG_FILE . ' for details.');
           }
           unset($this->_debugData['postback'], $this->_debugData['postback_result']);
   }

和：

/**
    * Array of CURL options
    *
    * @var array
    */
   protected $_options = array();

   /**
    * Apply current configuration array to transport resource
    *
    * @return Varien_Http_Adapter_Curl
    */
   protected function _applyConfig()
   {
       if (empty($this->_config)) {
           return $this;
       }

       // apply additional options to cURL
       foreach ($this->_options as $option => $value) {
           curl_setopt($this->_getResource(), $option, $value);
       }

       $verifyPeer = isset($this->_config['verifypeer']) ? $this->_config['verifypeer'] : 0;
       curl_setopt($this->_getResource(), CURLOPT_SSL_VERIFYPEER, $verifyPeer);

       $verifyHost = isset($this->_config['verifyhost']) ? $this->_config['verifyhost'] : 0;
       curl_setopt($this->_getResource(), CURLOPT_SSL_VERIFYHOST, $verifyHost);

       foreach ($this->_config as $param => $curlOption) {
           if (array_key_exists($param, $this->_allowedParams)) {
               curl_setopt($this->_getResource(), $this->_allowedParams[$param], $this->_config[$param]);
           }
       }
       return $this;
   }

   /**
    * Set array of additional cURL options
    *
    * @param array $options
    * @return Varien_Http_Adapter_Curl
    */
   public function setOptions(array $options = array())
   {
       $this->_options = $options;
       return $this;
   }

   /**
    * Add additional option to cURL
    *
    * @param  int $option      the CURLOPT_* constants
    * @param  mixed $value
    * @return Varien_Http_Adapter_Curl
    */
   public function addOption($option, $value)
   {
       $this->_options[$option] = $value;
       return $this;
   }

   /**
    * Set the configuration array for the adapter
    *
    * @param array $config
    * @return Varien_Http_Adapter_Curl
    */
   public function setConfig($config = array())
   {
       $this->_config = $config;
       return $this;
   }

   /**
    * Connect to the remote server
    *
    * @deprecated since 1.4.0.0-rc1
    * @param string  $host
    * @param int     $port
    * @param boolean $secure
    * @return Varien_Http_Adapter_Curl
    */
   public function connect($host, $port = 80, $secure = false)
   {
       return $this->_applyConfig();
   }

   /**
    * Send request to the remote server
    *
    * @param string        $method
    * @param Zend_Uri_Http $url
    * @param string        $http_ver
    * @param array         $headers
    * @param string        $body
    * @return string Request as text
    */
   public function write($method, $url, $http_ver = '1.1', $headers = array(), $body = '')
   {
       if ($url instanceof Zend_Uri_Http) {
           $url = $url->getUri();
       }
       $this->_applyConfig();

       curl_setopt($this->_getResource(), CURLOPT_VERBOSE, true);
       $handle = fopen('/srv/www/htdocs/MascagniB2C/var/log/curl.log', 'a+');
       curl_setopt($this->_getResource(), CURLOPT_STDERR, $handle);

       // set url to post to
       curl_setopt($this->_getResource(), CURLOPT_URL, $url);
       curl_setopt($this->_getResource(), CURLOPT_RETURNTRANSFER, true);
       if ($method == Zend_Http_Client::POST) {
           curl_setopt($this->_getResource(), CURLOPT_POST, true);
           curl_setopt($this->_getResource(), CURLOPT_POSTFIELDS, $body);
       }
       elseif ($method == Zend_Http_Client::GET) {
           curl_setopt($this->_getResource(), CURLOPT_HTTPGET, true);
       }

       if (is_array($headers)) {
           curl_setopt($this->_getResource(), CURLOPT_HTTPHEADER, $headers);
       }

       /**
        * @internal Curl options setter have to be re-factored
        */
       $header = isset($this->_config['header']) ? $this->_config['header'] : true;
       curl_setopt($this->_getResource(), CURLOPT_HEADER, $header);

       return $body;
   }

您能否指導我了解問題出在我的 openssl 配置中（還是我看錯了方向）？我缺少證書嗎？

更新

建議我嘗試執行：

openssl s_client -CApath /etc/ssl/certs/ -connect paypal.com:443
CONNECTED(00000003)
depth=2 C = US, O = DigiCert Inc, OU = www.digicert.com, CN = DigiCert High Assurance EV Root CA
verify return:1
depth=1 C = US, O = DigiCert Inc, OU = www.digicert.com, CN = DigiCert SHA2 High Assurance Server CA
verify return:1
depth=0 C = US, ST = California, L = San Jose, O = "PayPal, Inc.", OU = PayPal Production, CN = paypal.com
verify return:1
---
Certificate chain
0 s:/C=US/ST=California/L=San Jose/O=PayPal, Inc./OU=PayPal Production/CN=paypal.com
  i:/C=US/O=DigiCert Inc/OU=www.digicert.com/CN=DigiCert SHA2 High Assurance Server CA
1 s:/C=US/O=DigiCert Inc/OU=www.digicert.com/CN=DigiCert SHA2 High Assurance Server CA
  i:/C=US/O=DigiCert Inc/OU=www.digicert.com/CN=DigiCert High Assurance EV Root CA
---
Server certificate
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
subject=/C=US/ST=California/L=San Jose/O=PayPal, Inc./OU=PayPal Production/CN=paypal.com
issuer=/C=US/O=DigiCert Inc/OU=www.digicert.com/CN=DigiCert SHA2 High Assurance Server CA
---
No client certificate CA names sent
---
SSL handshake has read 2791 bytes and written 663 bytes
---
New, TLSv1/SSLv3, Cipher is AES256-SHA256
Server public key is 2048 bit
Secure Renegotiation IS supported
Compression: NONE
Expansion: NONE
SSL-Session:
   Protocol  : TLSv1.2
   Cipher    : AES256-SHA256
   Session-ID: 78A62BA404C7656931D4FA5658820B4000CD69DBB82BAEB8E725ADBBE2B3E9C0
   Session-ID-ctx: 
   Master-Key: 725C7887E3F5BABC6BF878DDD4C2F9A246A08382BB259C700E8D74C95FF75D6E98FF2979BBB8661C7525D36956397179
   Key-Arg   : None
   PSK identity: None
   PSK identity hint: None
   SRP username: None
   Start Time: 1476950900
   Timeout   : 300 (sec)
   Verify return code: 0 (ok)
---

我認為你必須更新你的 curl 版本，因為你的 curl 版本不支持 TLSv1.2 for php ( source )。並且 PayPal 正在強制使用 TLSv1.2(來源)

openssl s_client -connect paypal.com:443

我不是網路人，所以我對 PHP 無能為力。我可以幫助使用此命令，並向您展示如何使用 OpenSSL 進行故障排除。

您想要使用 TLS 1.0 或更高版本，並且想要使用伺服器名稱指示 (SNI)。因此，該命令-servername應用於登記 SNI，並-tls1使用 TLS 1.0。-tls1_2如果你喜歡，你甚至可以使用：

$ openssl s_client -connect paypal.com:443 -servername paypal.com -tls1
CONNECTED(00000005)
depth=1 C = US, O = DigiCert Inc, OU = www.digicert.com, CN = DigiCert SHA2 High Assurance Server CA
verify error:num=20:unable to get local issuer certificate
Server did acknowledge servername extension.
...
New, SSLv3, Cipher is AES256-SHA
Server public key is 2048 bit
Secure Renegotiation IS supported
No ALPN negotiated
SSL-Session:
   Protocol  : TLSv1
   Cipher    : AES256-SHA
   Session-ID: 78A62BA404C4AA8731D4FA5658820840A014955818597872E725ADBBE29AB06B
   Session-ID-ctx: 
   Master-Key: DCE1A463B22DEB10AEA4CECD6C89560502F1F67583C0DDDDF81B0FD99D31C83AE81AA484C32ADC6E312AEC8AB5FE86D1
   PSK identity: None
   PSK identity hint: None
   SRP username: None
   Start Time: 1478608307
   Timeout   : 7200 (sec)
   Verify return code: 20 (unable to get local issuer certificate)
   Extended master secret: no

***Verify return code: 20 (unable to get local issuer certificate)***您可以通過使用-CAfileDigiCert High Assurance EV Root CA來清除。您可以從DigiCert Trusted Root Authority Certificates獲取它。獲取後，您需要將其從 DER 轉換為 PEM。

$ wget https://www.digicert.com/CACerts/DigiCertHighAssuranceEVRootCA.crt
...

$ file DigiCertHighAssuranceEVRootCA.crt 
DigiCertHighAssuranceEVRootCA.crt: data

$ openssl x509 -in DigiCertHighAssuranceEVRootCA.crt -inform DER \
             -out DigiCertHighAssuranceEVRootCA.pem -outform PEM

$ file DigiCertHighAssuranceEVRootCA.pem 
DigiCertHighAssuranceEVRootCA.pem: ASCII text

然後發出以下。請注意，它以***Verify return code: 0 (ok)***.

$ openssl s_client -connect paypal.com:443 -servername paypal.com -tls1 -CAfile DigiCertHighAssuranceEVRootCA.pem 
CONNECTED(00000005)
depth=2 C = US, O = DigiCert Inc, OU = www.digicert.com, CN = DigiCert High Assurance EV Root CA
verify return:1
depth=1 C = US, O = DigiCert Inc, OU = www.digicert.com, CN = DigiCert SHA2 High Assurance Server CA
verify return:1
depth=0 C = US, ST = California, L = San Jose, O = "PayPal, Inc.", OU = PayPal Production, CN = paypal.com
verify return:1
Server did acknowledge servername extension.
...
New, SSLv3, Cipher is AES256-SHA
Server public key is 2048 bit
Secure Renegotiation IS supported
No ALPN negotiated
SSL-Session:
   Protocol  : TLSv1
   Cipher    : AES256-SHA
   Session-ID: 53D6D36E366E7A68D458ABABFB9A08E5F1EC49287E6265D008B3C8EAB3098951
   Session-ID-ctx: 
   Master-Key: 13C070B784545ED1F11608E4871936CABF9BFC8A4320C025003ABE05320C3598342500BB12C90F89270B19D26D793A96
   PSK identity: None
   PSK identity hint: None
   SRP username: None
   Start Time: 1478608643
   Timeout   : 7200 (sec)
   Verify return code: 0 (ok)
   Extended master secret: no

最後，您需要做的就是告訴 PHP 和 cURL 使用DigiCertHighAssuranceEVRootCA.pem. 您的 cURL 命令可能類似於：

curl www.paypal.com:443 --tlsv1.0 --cacert DigiCertHighAssuranceEVRootCA.pem

我不知道用 PHP 做什麼。

引用自：https://unix.stackexchange.com/questions/317631

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