diff -r 48c4eec2b7e6 -r 8c2e4d02f4ef wp/wp-includes/PHPMailer/SMTP.php --- a/wp/wp-includes/PHPMailer/SMTP.php Fri Sep 05 18:40:08 2025 +0200 +++ b/wp/wp-includes/PHPMailer/SMTP.php Fri Sep 05 18:52:52 2025 +0200 @@ -13,7 +13,7 @@ * @copyright 2012 - 2020 Marcus Bointon * @copyright 2010 - 2012 Jim Jagielski * @copyright 2004 - 2009 Andy Prevost - * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License + * @license https://www.gnu.org/licenses/old-licenses/lgpl-2.1.html GNU Lesser General Public License * @note This program is distributed in the hope that it will be useful - WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. @@ -35,7 +35,7 @@ * * @var string */ - const VERSION = '6.9.1'; + const VERSION = '6.9.3'; /** * SMTP line break constant. @@ -62,7 +62,7 @@ * The maximum line length allowed by RFC 5321 section 4.5.3.1.6, * *excluding* a trailing CRLF break. * - * @see https://tools.ietf.org/html/rfc5321#section-4.5.3.1.6 + * @see https://www.rfc-editor.org/rfc/rfc5321#section-4.5.3.1.6 * * @var int */ @@ -72,7 +72,7 @@ * The maximum line length allowed for replies in RFC 5321 section 4.5.3.1.5, * *including* a trailing CRLF line break. * - * @see https://tools.ietf.org/html/rfc5321#section-4.5.3.1.5 + * @see https://www.rfc-editor.org/rfc/rfc5321#section-4.5.3.1.5 * * @var int */ @@ -152,8 +152,8 @@ /** * Whether to use VERP. * - * @see http://en.wikipedia.org/wiki/Variable_envelope_return_path - * @see http://www.postfix.org/VERP_README.html Info on VERP + * @see https://en.wikipedia.org/wiki/Variable_envelope_return_path + * @see https://www.postfix.org/VERP_README.html Info on VERP * * @var bool */ @@ -164,7 +164,7 @@ * Default of 5 minutes (300sec) is from RFC2821 section 4.5.3.2. * This needs to be quite high to function correctly with hosts using greetdelay as an anti-spam measure. * - * @see http://tools.ietf.org/html/rfc2821#section-4.5.3.2 + * @see https://www.rfc-editor.org/rfc/rfc2821#section-4.5.3.2 * * @var int */ @@ -187,12 +187,12 @@ */ protected $smtp_transaction_id_patterns = [ 'exim' => '/[\d]{3} OK id=(.*)/', - 'sendmail' => '/[\d]{3} 2.0.0 (.*) Message/', - 'postfix' => '/[\d]{3} 2.0.0 Ok: queued as (.*)/', - 'Microsoft_ESMTP' => '/[0-9]{3} 2.[\d].0 (.*)@(?:.*) Queued mail for delivery/', + 'sendmail' => '/[\d]{3} 2\.0\.0 (.*) Message/', + 'postfix' => '/[\d]{3} 2\.0\.0 Ok: queued as (.*)/', + 'Microsoft_ESMTP' => '/[0-9]{3} 2\.[\d]\.0 (.*)@(?:.*) Queued mail for delivery/', 'Amazon_SES' => '/[\d]{3} Ok (.*)/', 'SendGrid' => '/[\d]{3} Ok: queued as (.*)/', - 'CampaignMonitor' => '/[\d]{3} 2.0.0 OK:([a-zA-Z\d]{48})/', + 'CampaignMonitor' => '/[\d]{3} 2\.0\.0 OK:([a-zA-Z\d]{48})/', 'Haraka' => '/[\d]{3} Message Queued \((.*)\)/', 'ZoneMTA' => '/[\d]{3} Message queued as (.*)/', 'Mailjet' => '/[\d]{3} OK queued as (.*)/', @@ -280,7 +280,8 @@ } //Is this a PSR-3 logger? if ($this->Debugoutput instanceof \Psr\Log\LoggerInterface) { - $this->Debugoutput->debug($str); + //Remove trailing line breaks potentially added by calls to SMTP::client_send() + $this->Debugoutput->debug(rtrim($str, "\r\n")); return; } @@ -293,6 +294,7 @@ switch ($this->Debugoutput) { case 'error_log': //Don't output, just log + /** @noinspection ForgottenDebugOutputInspection */ error_log($str); break; case 'html': @@ -371,7 +373,7 @@ } //Anything other than a 220 response means something went wrong //RFC 5321 says the server will wait for us to send a QUIT in response to a 554 error - //https://tools.ietf.org/html/rfc5321#section-3.1 + //https://www.rfc-editor.org/rfc/rfc5321#section-3.1 if ($responseCode === 554) { $this->quit(); } @@ -404,7 +406,9 @@ $errstr = ''; if ($streamok) { $socket_context = stream_context_create($options); - set_error_handler([$this, 'errorHandler']); + set_error_handler(function () { + call_user_func_array([$this, 'errorHandler'], func_get_args()); + }); $connection = stream_socket_client( $host . ':' . $port, $errno, @@ -419,7 +423,9 @@ 'Connection: stream_socket_client not available, falling back to fsockopen', self::DEBUG_CONNECTION ); - set_error_handler([$this, 'errorHandler']); + set_error_handler(function () { + call_user_func_array([$this, 'errorHandler'], func_get_args()); + }); $connection = fsockopen( $host, $port, @@ -483,7 +489,9 @@ } //Begin encrypted connection - set_error_handler([$this, 'errorHandler']); + set_error_handler(function () { + call_user_func_array([$this, 'errorHandler'], func_get_args()); + }); $crypto_ok = stream_socket_enable_crypto( $this->smtp_conn, true, @@ -574,7 +582,7 @@ } //Send encoded username and password if ( - //Format from https://tools.ietf.org/html/rfc4616#section-2 + //Format from https://www.rfc-editor.org/rfc/rfc4616#section-2 //We skip the first field (it's forgery), so the string starts with a null byte !$this->sendCommand( 'User & Password', @@ -648,7 +656,7 @@ } //The following borrowed from - //http://php.net/manual/en/function.mhash.php#27225 + //https://www.php.net/manual/en/function.mhash.php#27225 //RFC 2104 HMAC implementation for php. //Creates an md5 HMAC. @@ -787,7 +795,7 @@ //Send the lines to the server foreach ($lines_out as $line_out) { //Dot-stuffing as per RFC5321 section 4.5.2 - //https://tools.ietf.org/html/rfc5321#section-4.5.2 + //https://www.rfc-editor.org/rfc/rfc5321#section-4.5.2 if (!empty($line_out) && $line_out[0] === '.') { $line_out = '.' . $line_out; } @@ -1162,7 +1170,9 @@ } else { $this->edebug('CLIENT -> SERVER: ' . $data, self::DEBUG_CLIENT); } - set_error_handler([$this, 'errorHandler']); + set_error_handler(function () { + call_user_func_array([$this, 'errorHandler'], func_get_args()); + }); $result = fwrite($this->smtp_conn, $data); restore_error_handler(); @@ -1265,7 +1275,9 @@ while (is_resource($this->smtp_conn) && !feof($this->smtp_conn)) { //Must pass vars in here as params are by reference //solution for signals inspired by https://github.com/symfony/symfony/pull/6540 - set_error_handler([$this, 'errorHandler']); + set_error_handler(function () { + call_user_func_array([$this, 'errorHandler'], func_get_args()); + }); $n = stream_select($selR, $selW, $selW, $this->Timelimit); restore_error_handler();