From a43593c4316b112641e7a1fdb16eb3d868c86951 Mon Sep 17 00:00:00 2001 From: Klaus Leithoff Date: Thu, 19 Jun 2008 16:21:54 +0000 Subject: [PATCH] importing the new class.smtp.php v2.1 for PHP5 and adapting eGroupWare specific changes --- phpgwapi/inc/class.smtp.php | 1996 ++++++++++++++++++----------------- 1 file changed, 1031 insertions(+), 965 deletions(-) diff --git a/phpgwapi/inc/class.smtp.php b/phpgwapi/inc/class.smtp.php index cb7b021c23..26bed3495e 100644 --- a/phpgwapi/inc/class.smtp.php +++ b/phpgwapi/inc/class.smtp.php @@ -1,17 +1,28 @@ smtp_conn = 0; - $this->error = null; - $this->helo_rply = null; + /** + * SMTP reply line ending + * @var string + */ + public $CRLF = "\r\n"; - $this->do_debug = 0; + /** + * Sets whether debugging is turned on + * @var bool + */ + public $do_debug; // the level of debug to perform + + /** + * Sets VERP use on/off (default is off) + * @var bool + */ + public $do_verp = false; + + /**#@+ + * @access private + */ + private $smtp_conn; // the socket to the server + private $error; // error if any on the last call + private $helo_rply; // the reply the server sent to us for HELO + /**#@-*/ + + /** + * Initialize the class so that the data is in a known state. + * @access public + * @return void + */ + public function __construct() { + $this->smtp_conn = 0; + $this->error = null; + $this->helo_rply = null; + + $this->do_debug = 0; + } + + /************************************************************* + * CONNECTION FUNCTIONS * + ***********************************************************/ + + /** + * Connect to the server specified on the port specified. + * If the port is not specified use the default SMTP_PORT. + * If tval is specified then a connection will try and be + * established with the server for that number of seconds. + * If tval is not specified the default is 30 seconds to + * try on the connection. + * + * SMTP CODE SUCCESS: 220 + * SMTP CODE FAILURE: 421 + * @access public + * @return bool + */ + public function Connect($host,$port=0,$tval=30) { + /* set the error val to null so there is no confusion */ + $this->error = null; + + /* make sure we are __not__ connected */ + if($this->connected()) { + /* ok we are connected! what should we do? + * for now we will just give an error saying we + * are already connected + */ + $this->error = array("error" => "Already connected to a server"); + return false; } - /************************************************************* - * CONNECTION FUNCTIONS * - ***********************************************************/ - - /** - * Connect to the server specified on the port specified. - * If the port is not specified use the default SMTP_PORT. - * If tval is specified then a connection will try and be - * established with the server for that number of seconds. - * If tval is not specified the default is 30 seconds to - * try on the connection. - * - * SMTP CODE SUCCESS: 220 - * SMTP CODE FAILURE: 421 - * @access public - * @return bool - */ - function Connect($host,$port=0,$tval=30) { - # set the error val to null so there is no confusion - $this->error = null; - - # make sure we are __not__ connected - if($this->connected()) { - # ok we are connected! what should we do? - # for now we will just give an error saying we - # are already connected - $this->error = - array("error" => "Already connected to a server"); - return false; - } - - if(empty($port)) { - $port = $this->SMTP_PORT; - } - - #connect to the smtp server - $this->smtp_conn = fsockopen($host, # the host of the server - $port, # the port to use - $errno, # error number if any - $errstr, # error message if any - $tval); # give up after ? secs - # verify we connected properly - if(empty($this->smtp_conn)) { - $this->error = array("error" => "Failed to connect to server", - "errno" => $errno, - "errstr" => $errstr); - if($this->do_debug >= 1) { - echo "SMTP -> ERROR: " . $this->error["error"] . - ": $errstr ($errno)" . $this->CRLF; - } - return false; - } - - # sometimes the SMTP server takes a little longer to respond - # so we will give it a longer timeout for the first read - // Windows still does not have support for this timeout function - if(substr(PHP_OS, 0, 3) != "WIN") - socket_set_timeout($this->smtp_conn, $tval, 0); - - # get any announcement stuff - $announce = $this->get_lines(); - - # set the timeout of any socket functions at 1/10 of a second - //if(function_exists("socket_set_timeout")) - // socket_set_timeout($this->smtp_conn, 0, 100000); - - if($this->do_debug >= 2) { - echo "SMTP -> FROM SERVER:" . $this->CRLF . $announce; - } - - return true; + if(empty($port)) { + $port = $this->SMTP_PORT; } - /** - * Performs SMTP authentication. Must be run after running the - * Hello() method. Returns true if successfully authenticated. - * @access public - * @return bool - */ - function Authenticate($username, $password) { - // Start authentication - fputs($this->smtp_conn,"AUTH LOGIN" . $this->CRLF); - - $rply = $this->get_lines(); - $code = substr($rply,0,3); - - if($code != 334) { - $this->error = - array("error" => "AUTH not accepted from server", - "smtp_code" => $code, - "smtp_msg" => substr($rply,4)); - if($this->do_debug >= 1) { - echo "SMTP -> ERROR: " . $this->error["error"] . - ": " . $rply . $this->CRLF; - } - return false; - } - - // Send encoded username - fputs($this->smtp_conn, base64_encode($username) . $this->CRLF); - - $rply = $this->get_lines(); - $code = substr($rply,0,3); - - if($code != 334) { - $this->error = - array("error" => "Username not accepted from server", - "smtp_code" => $code, - "smtp_msg" => substr($rply,4)); - if($this->do_debug >= 1) { - echo "SMTP -> ERROR: " . $this->error["error"] . - ": " . $rply . $this->CRLF; - } - return false; - } - - // Send encoded password - fputs($this->smtp_conn, base64_encode($password) . $this->CRLF); - - $rply = $this->get_lines(); - $code = substr($rply,0,3); - - if($code != 235) { - $this->error = - array("error" => "Password not accepted from server", - "smtp_code" => $code, - "smtp_msg" => substr($rply,4)); - if($this->do_debug >= 1) { - echo "SMTP -> ERROR: " . $this->error["error"] . - ": " . $rply . $this->CRLF; - } - return false; - } - - return true; + /* connect to the smtp server */ + $this->smtp_conn = fsockopen($host, // the host of the server + $port, // the port to use + $errno, // error number if any + $errstr, // error message if any + $tval); // give up after ? secs + /* verify we connected properly */ + if(empty($this->smtp_conn)) { + $this->error = array("error" => "Failed to connect to server", + "errno" => $errno, + "errstr" => $errstr); + if($this->do_debug >= 1) { + echo "SMTP -> ERROR: " . $this->error["error"] . + ": $errstr ($errno)" . $this->CRLF; + } + return false; } - /** - * Returns true if connected to a server otherwise false - * @access private - * @return bool + /* sometimes the SMTP server takes a little longer to respond + * so we will give it a longer timeout for the first read + * - Windows still does not have support for this timeout function */ - function Connected() { - if(!empty($this->smtp_conn)) { - $sock_status = socket_get_status($this->smtp_conn); - if($sock_status["eof"]) { - # hmm this is an odd situation... the socket is - # valid but we aren't connected anymore - if($this->do_debug >= 1) { - echo "SMTP -> NOTICE:" . $this->CRLF . - "EOF caught while checking if connected"; - } - $this->Close(); - return false; - } - return true; # everything looks good + if(substr(PHP_OS, 0, 3) != "WIN") + socket_set_timeout($this->smtp_conn, $tval, 0); + + /* get any announcement stuff */ + $announce = $this->get_lines(); + + /* set the timeout of any socket functions at 1/10 of a second */ + //if(function_exists("socket_set_timeout")) + // socket_set_timeout($this->smtp_conn, 0, 100000); + + if($this->do_debug >= 2) { + echo "SMTP -> FROM SERVER:" . $this->CRLF . $announce; + } + + return true; + } + + /** + * Initiate a TSL communication with the server. + * + * SMTP CODE 220 Ready to start TLS + * SMTP CODE 501 Syntax error (no parameters allowed) + * SMTP CODE 454 TLS not available due to temporary reason + * @access public + * @return bool success + */ + public function StartTLS() { + $this->error = null; # to avoid confusion + + if(!$this->connected()) { + $this->error = array("error" => "Called StartTLS() without being connected"); + return false; + } + + fputs($this->smtp_conn,"STARTTLS" . $extra . $this->CRLF); + + $rply = $this->get_lines(); + $code = substr($rply,0,3); + + if($this->do_debug >= 2) { + echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; + } + + if($code != 220) { + $this->error = + array("error" => "STARTTLS not accepted from server", + "smtp_code" => $code, + "smtp_msg" => substr($rply,4)); + if($this->do_debug >= 1) { + echo "SMTP -> ERROR: " . $this->error["error"] . ": " . $rply . $this->CRLF; + } + return false; + } + + //Begin encrypted connection + if(!stream_socket_enable_crypto($this->smtp_conn, true, STREAM_CRYPTO_METHOD_TLS_CLIENT)) { + return false; + } + + return true; + } + + /** + * Performs SMTP authentication. Must be run after running the + * Hello() method. Returns true if successfully authenticated. + * @access public + * @return bool + */ + public function Authenticate($username, $password) { + // Start authentication + fputs($this->smtp_conn,"AUTH LOGIN" . $this->CRLF); + + $rply = $this->get_lines(); + $code = substr($rply,0,3); + + if($code != 334) { + $this->error = + array("error" => "AUTH not accepted from server", + "smtp_code" => $code, + "smtp_msg" => substr($rply,4)); + if($this->do_debug >= 1) { + echo "SMTP -> ERROR: " . $this->error["error"] . + ": " . $rply . $this->CRLF; + } + return false; + } + + // Send encoded username + fputs($this->smtp_conn, base64_encode($username) . $this->CRLF); + + $rply = $this->get_lines(); + $code = substr($rply,0,3); + + if($code != 334) { + $this->error = + array("error" => "Username not accepted from server", + "smtp_code" => $code, + "smtp_msg" => substr($rply,4)); + if($this->do_debug >= 1) { + echo "SMTP -> ERROR: " . $this->error["error"] . + ": " . $rply . $this->CRLF; + } + return false; + } + + // Send encoded password + fputs($this->smtp_conn, base64_encode($password) . $this->CRLF); + + $rply = $this->get_lines(); + $code = substr($rply,0,3); + + if($code != 235) { + $this->error = + array("error" => "Password not accepted from server", + "smtp_code" => $code, + "smtp_msg" => substr($rply,4)); + if($this->do_debug >= 1) { + echo "SMTP -> ERROR: " . $this->error["error"] . + ": " . $rply . $this->CRLF; + } + return false; + } + + return true; + } + + /** + * Returns true if connected to a server otherwise false + * @access public + * @return bool + */ + public function Connected() { + if(!empty($this->smtp_conn)) { + $sock_status = socket_get_status($this->smtp_conn); + if($sock_status["eof"]) { + // hmm this is an odd situation... the socket is + // valid but we are not connected anymore + if($this->do_debug >= 1) { + echo "SMTP -> NOTICE:" . $this->CRLF . + "EOF caught while checking if connected"; } + $this->Close(); return false; + } + return true; // everything looks good + } + return false; + } + + /** + * Closes the socket and cleans up the state of the class. + * It is not considered good to use this function without + * first trying to use QUIT. + * @access public + * @return void + */ + public function Close() { + $this->error = null; // so there is no confusion + $this->helo_rply = null; + if(!empty($this->smtp_conn)) { + // close the connection and cleanup + fclose($this->smtp_conn); + $this->smtp_conn = 0; + } + } + + /*************************************************************** + * SMTP COMMANDS * + *************************************************************/ + + /** + * Issues a data command and sends the msg_data to the server + * finializing the mail transaction. $msg_data is the message + * that is to be send with the headers. Each header needs to be + * on a single line followed by a with the message headers + * and the message body being seperated by and additional . + * + * Implements rfc 821: DATA + * + * SMTP CODE INTERMEDIATE: 354 + * [data] + * . + * SMTP CODE SUCCESS: 250 + * SMTP CODE FAILURE: 552,554,451,452 + * SMTP CODE FAILURE: 451,554 + * SMTP CODE ERROR : 500,501,503,421 + * @access public + * @return bool + */ + public function Data($msg_data) { + $this->error = null; // so no confusion is caused + + if(!$this->connected()) { + $this->error = array( + "error" => "Called Data() without being connected"); + return false; } - /** - * Closes the socket and cleans up the state of the class. - * It is not considered good to use this function without - * first trying to use QUIT. - * @access public - * @return void - */ - function Close() { - $this->error = null; # so there is no confusion - $this->helo_rply = null; - if(!empty($this->smtp_conn)) { - # close the connection and cleanup - fclose($this->smtp_conn); - $this->smtp_conn = 0; - } + fputs($this->smtp_conn,"DATA" . $this->CRLF); + + $rply = $this->get_lines(); + $code = substr($rply,0,3); + + if($this->do_debug >= 2) { + echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; } + if($code != 354) { + $this->error = + array("error" => "DATA command not accepted from server", + "smtp_code" => $code, + "smtp_msg" => substr($rply,4)); + if($this->do_debug >= 1) { + echo "SMTP -> ERROR: " . $this->error["error"] . + ": " . $rply . $this->CRLF; + } + return false; + } - /*************************************************************** - * SMTP COMMANDS * - *************************************************************/ - - /** - * Issues a data command and sends the msg_data to the server - * finializing the mail transaction. $msg_data is the message - * that is to be send with the headers. Each header needs to be - * on a single line followed by a with the message headers - * and the message body being seperated by and additional . - * - * Implements rfc 821: DATA - * - * SMTP CODE INTERMEDIATE: 354 - * [data] - * . - * SMTP CODE SUCCESS: 250 - * SMTP CODE FAILURE: 552,554,451,452 - * SMTP CODE FAILURE: 451,554 - * SMTP CODE ERROR : 500,501,503,421 - * @access public - * @return bool + /* the server is ready to accept data! + * according to rfc 821 we should not send more than 1000 + * including the CRLF + * characters on a single line so we will break the data up + * into lines by \r and/or \n then if needed we will break + * each of those into smaller lines to fit within the limit. + * in addition we will be looking for lines that start with + * a period '.' and append and additional period '.' to that + * line. NOTE: this does not count towards are limit. */ - function Data($msg_data) { - $this->error = null; # so no confusion is caused - if(!$this->connected()) { - $this->error = array( - "error" => "Called Data() without being connected"); - return false; - } + // normalize the line breaks so we know the explode works + $msg_data = str_replace("\r\n","\n",$msg_data); + $msg_data = str_replace("\r","\n",$msg_data); + $lines = explode("\n",$msg_data); - fputs($this->smtp_conn,"DATA" . $this->CRLF); + /* we need to find a good way to determine is headers are + * in the msg_data or if it is a straight msg body + * currently I am assuming rfc 822 definitions of msg headers + * and if the first field of the first line (':' sperated) + * does not contain a space then it _should_ be a header + * and we can process all lines before a blank "" line as + * headers. + */ + $field = substr($lines[0],0,strpos($lines[0],":")); + $in_headers = false; + if(!empty($field) && strpos($field," ") === false) { + $in_headers = true; + } - $rply = $this->get_lines(); - $code = substr($rply,0,3); + $max_line_length = 998; // used below; set here for ease in change - if($this->do_debug >= 2) { - echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; - } - - if($code != 354) { - $this->error = - array("error" => "DATA command not accepted from server", - "smtp_code" => $code, - "smtp_msg" => substr($rply,4)); - if($this->do_debug >= 1) { - echo "SMTP -> ERROR: " . $this->error["error"] . - ": " . $rply . $this->CRLF; - } - return false; - } - - # the server is ready to accept data! - # according to rfc 821 we should not send more than 1000 - # including the CRLF - # characters on a single line so we will break the data up - # into lines by \r and/or \n then if needed we will break - # each of those into smaller lines to fit within the limit. - # in addition we will be looking for lines that start with - # a period '.' and append and additional period '.' to that - # line. NOTE: this does not count towards are limit. - - # normalize the line breaks so we know the explode works - $msg_data = str_replace("\r\n","\n",$msg_data); - $msg_data = str_replace("\r","\n",$msg_data); - $lines = explode("\n",$msg_data); - - # we need to find a good way to determine is headers are - # in the msg_data or if it is a straight msg body - # currently I'm assuming rfc 822 definitions of msg headers - # and if the first field of the first line (':' sperated) - # does not contain a space then it _should_ be a header - # and we can process all lines before a blank "" line as - # headers. - $field = substr($lines[0],0,strpos($lines[0],":")); + while(list(,$line) = @each($lines)) { + $lines_out = null; + if($line == "" && $in_headers) { $in_headers = false; - if(!empty($field) && strpos($field," ") === false) { - $in_headers = true; + } + // ok we need to break this line up into several smaller lines + while(strlen($line) > $max_line_length) { + $pos = strrpos(substr($line,0,$max_line_length)," "); + + // Patch to fix DOS attack + if(!$pos) { + $pos = $max_line_length - 1; + $lines_out[] = substr($line,0,$pos); + $line = substr($line,$pos); + } else { + $lines_out[] = substr($line,0,$pos); + $line = substr($line,$pos + 1); } - $max_line_length = 998; # used below; set here for ease in change - - while(list(,$line) = @each($lines)) { - $lines_out = null; - if($line == "" && $in_headers) { - $in_headers = false; - } - # ok we need to break this line up into several - # smaller lines - while(strlen($line) > $max_line_length) { - $pos = strrpos(substr($line,0,$max_line_length)," "); - - # Patch to fix DOS attack - if(!$pos) { - $pos = $max_line_length - 1; - } - - $lines_out[] = substr($line,0,$pos); - $line = substr($line,$pos + 1); - # if we are processing headers we need to - # add a LWSP-char to the front of the new line - # rfc 822 on long msg headers - if($in_headers) { - $line = "\t" . $line; - } - } - $lines_out[] = $line; - - # now send the lines to the server - while(list(,$line_out) = @each($lines_out)) { - if(strlen($line_out) > 0) - { - if(substr($line_out, 0, 1) == ".") { - $line_out = "." . $line_out; - } - } - fputs($this->smtp_conn,$line_out . $this->CRLF); - } + /* if we are processing headers we need to + * add a LWSP-char to the front of the new line + * rfc 822 on long msg headers + */ + if($in_headers) { + $line = "\t" . $line; } + } + $lines_out[] = $line; - # ok all the message data has been sent so lets get this - # over with aleady - fputs($this->smtp_conn, $this->CRLF . "." . $this->CRLF); - - # get server response - $rply = $this->get_lines(); + // now send the lines to the server + while(list(,$line_out) = @each($lines_out)) { + if(strlen($line_out) > 0) + { + if(substr($line_out, 0, 1) == ".") { + $line_out = "." . $line_out; + } + } + fputs($this->smtp_conn,$line_out . $this->CRLF); + } + } + // ok all the message data has been sent so lets get this + // over with aleady + fputs($this->smtp_conn, $this->CRLF . "." . $this->CRLF); + // get server response + $rply = $this->get_lines(); # if the server is slow try to get an answer within 30 seconds $timeout_counter = 0; while(($rply=="") && ($timeout_counter<30)) { - $timeout_counter+=1; - sleep(1); - $rply = $this->get_lines(); + $timeout_counter+=1; + sleep(1); + $rply = $this->get_lines(); } # still no response to our data -> fail! if($rply=="") { $this->error = array("error" => "timeout from server after data sent.", - "smtp_code" => 0, - "smtp_msg" => "(nothing)"); - + "smtp_code" => 0, + "smtp_msg" => "(nothing)"); + if($this->do_debug >= 1) { - echo "SMTP -> ERROR: " . $this->error["error"] . - ": " . $rply . $this->CRLF; + echo "SMTP -> ERROR: " . $this->error["error"] . + ": " . $rply . $this->CRLF; } return false; } + $code = substr($rply,0,3); - $code = substr($rply,0,3); - - if($this->do_debug >= 2) { - echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; - } - - if($code != 250) { - $this->error = - array("error" => "DATA not accepted from server", - "smtp_code" => $code, - "smtp_msg" => substr($rply,4)); - if($this->do_debug >= 1) { - echo "SMTP -> ERROR: " . $this->error["error"] . - ": " . $rply . $this->CRLF; - } - return false; - } - return true; + if($this->do_debug >= 2) { + echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; } - /** - * Expand takes the name and asks the server to list all the - * people who are members of the _list_. Expand will return - * back and array of the result or false if an error occurs. - * Each value in the array returned has the format of: - * [ ] - * The definition of is defined in rfc 821 - * - * Implements rfc 821: EXPN - * - * SMTP CODE SUCCESS: 250 - * SMTP CODE FAILURE: 550 - * SMTP CODE ERROR : 500,501,502,504,421 - * @access public - * @return string array - */ - function Expand($name) { - $this->error = null; # so no confusion is caused + if($code != 250) { + $this->error = + array("error" => "DATA not accepted from server", + "smtp_code" => $code, + "smtp_msg" => substr($rply,4)); + if($this->do_debug >= 1) { + echo "SMTP -> ERROR: " . $this->error["error"] . + ": " . $rply . $this->CRLF; + } + return false; + } + return true; + } - if(!$this->connected()) { - $this->error = array( - "error" => "Called Expand() without being connected"); - return false; - } + /** + * Expand takes the name and asks the server to list all the + * people who are members of the _list_. Expand will return + * back and array of the result or false if an error occurs. + * Each value in the array returned has the format of: + * [ ] + * The definition of is defined in rfc 821 + * + * Implements rfc 821: EXPN + * + * SMTP CODE SUCCESS: 250 + * SMTP CODE FAILURE: 550 + * SMTP CODE ERROR : 500,501,502,504,421 + * @access public + * @return string array + */ + public function Expand($name) { + $this->error = null; // so no confusion is caused - fputs($this->smtp_conn,"EXPN " . $name . $this->CRLF); - - $rply = $this->get_lines(); - $code = substr($rply,0,3); - - if($this->do_debug >= 2) { - echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; - } - - if($code != 250) { - $this->error = - array("error" => "EXPN not accepted from server", - "smtp_code" => $code, - "smtp_msg" => substr($rply,4)); - if($this->do_debug >= 1) { - echo "SMTP -> ERROR: " . $this->error["error"] . - ": " . $rply . $this->CRLF; - } - return false; - } - - # parse the reply and place in our array to return to user - $entries = explode($this->CRLF,$rply); - while(list(,$l) = @each($entries)) { - $list[] = substr($l,4); - } - - return $list; + if(!$this->connected()) { + $this->error = array( + "error" => "Called Expand() without being connected"); + return false; } - /** - * Sends the HELO command to the smtp server. - * This makes sure that we and the server are in - * the same known state. - * - * Implements from rfc 821: HELO - * - * SMTP CODE SUCCESS: 250 - * SMTP CODE ERROR : 500, 501, 504, 421 - * @access public - * @return bool - */ - function Hello($host="") { - $this->error = null; # so no confusion is caused + fputs($this->smtp_conn,"EXPN " . $name . $this->CRLF); - if(!$this->connected()) { - $this->error = array( - "error" => "Called Hello() without being connected"); - return false; - } + $rply = $this->get_lines(); + $code = substr($rply,0,3); - # if a hostname for the HELO wasn't specified determine - # a suitable one to send - if(empty($host)) { - # we need to determine some sort of appopiate default - # to send to the server - $host = "localhost"; - } - - // Send extended hello first (RFC 2821) - if(!$this->SendHello("EHLO", $host)) - { - if(!$this->SendHello("HELO", $host)) - return false; - } - - return true; + if($this->do_debug >= 2) { + echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; } - /** - * Sends a HELO/EHLO command. - * @access private - * @return bool - */ - function SendHello($hello, $host) { - fputs($this->smtp_conn, $hello . " " . $host . $this->CRLF); - - $rply = $this->get_lines(); - $code = substr($rply,0,3); - - if($this->do_debug >= 2) { - echo "SMTP -> FROM SERVER: " . $this->CRLF . $rply; - } - - if($code != 250) { - $this->error = - array("error" => $hello . " not accepted from server", - "smtp_code" => $code, - "smtp_msg" => substr($rply,4)); - if($this->do_debug >= 1) { - echo "SMTP -> ERROR: " . $this->error["error"] . - ": " . $rply . $this->CRLF; - } - return false; - } - - $this->helo_rply = $rply; - - return true; + if($code != 250) { + $this->error = + array("error" => "EXPN not accepted from server", + "smtp_code" => $code, + "smtp_msg" => substr($rply,4)); + if($this->do_debug >= 1) { + echo "SMTP -> ERROR: " . $this->error["error"] . + ": " . $rply . $this->CRLF; + } + return false; } - /** - * Gets help information on the keyword specified. If the keyword - * is not specified then returns generic help, ussually contianing - * A list of keywords that help is available on. This function - * returns the results back to the user. It is up to the user to - * handle the returned data. If an error occurs then false is - * returned with $this->error set appropiately. - * - * Implements rfc 821: HELP [ ] - * - * SMTP CODE SUCCESS: 211,214 - * SMTP CODE ERROR : 500,501,502,504,421 - * @access public - * @return string - */ - function Help($keyword="") { - $this->error = null; # to avoid confusion - - if(!$this->connected()) { - $this->error = array( - "error" => "Called Help() without being connected"); - return false; - } - - $extra = ""; - if(!empty($keyword)) { - $extra = " " . $keyword; - } - - fputs($this->smtp_conn,"HELP" . $extra . $this->CRLF); - - $rply = $this->get_lines(); - $code = substr($rply,0,3); - - if($this->do_debug >= 2) { - echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; - } - - if($code != 211 && $code != 214) { - $this->error = - array("error" => "HELP not accepted from server", - "smtp_code" => $code, - "smtp_msg" => substr($rply,4)); - if($this->do_debug >= 1) { - echo "SMTP -> ERROR: " . $this->error["error"] . - ": " . $rply . $this->CRLF; - } - return false; - } - - return $rply; + // parse the reply and place in our array to return to user + $entries = explode($this->CRLF,$rply); + while(list(,$l) = @each($entries)) { + $list[] = substr($l,4); } - /** - * Starts a mail transaction from the email address specified in - * $from. Returns true if successful or false otherwise. If True - * the mail transaction is started and then one or more Recipient - * commands may be called followed by a Data command. - * - * Implements rfc 821: MAIL FROM: - * - * SMTP CODE SUCCESS: 250 - * SMTP CODE SUCCESS: 552,451,452 - * SMTP CODE SUCCESS: 500,501,421 - * @access public - * @return bool - */ - function Mail($from) { - $this->error = null; # so no confusion is caused + return $list; + } - if(!$this->connected()) { - $this->error = array( - "error" => "Called Mail() without being connected"); - return false; - } + /** + * Sends the HELO command to the smtp server. + * This makes sure that we and the server are in + * the same known state. + * + * Implements from rfc 821: HELO + * + * SMTP CODE SUCCESS: 250 + * SMTP CODE ERROR : 500, 501, 504, 421 + * @access public + * @return bool + */ + public function Hello($host="") { + $this->error = null; // so no confusion is caused - fputs($this->smtp_conn,"MAIL FROM:<" . $from . ">" . $this->CRLF); - - $rply = $this->get_lines(); - $code = substr($rply,0,3); - - if($this->do_debug >= 2) { - echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; - } - - if($code != 250) { - $this->error = - array("error" => "MAIL not accepted from server", - "smtp_code" => $code, - "smtp_msg" => substr($rply,4)); - if($this->do_debug >= 1) { - echo "SMTP -> ERROR: " . $this->error["error"] . - ": " . $rply . $this->CRLF; - } - return false; - } - return true; + if(!$this->connected()) { + $this->error = array( + "error" => "Called Hello() without being connected"); + return false; } - /** - * Sends the command NOOP to the SMTP server. - * - * Implements from rfc 821: NOOP - * - * SMTP CODE SUCCESS: 250 - * SMTP CODE ERROR : 500, 421 - * @access public - * @return bool - */ - function Noop() { - $this->error = null; # so no confusion is caused - - if(!$this->connected()) { - $this->error = array( - "error" => "Called Noop() without being connected"); - return false; - } - - fputs($this->smtp_conn,"NOOP" . $this->CRLF); - - $rply = $this->get_lines(); - $code = substr($rply,0,3); - - if($this->do_debug >= 2) { - echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; - } - - if($code != 250) { - $this->error = - array("error" => "NOOP not accepted from server", - "smtp_code" => $code, - "smtp_msg" => substr($rply,4)); - if($this->do_debug >= 1) { - echo "SMTP -> ERROR: " . $this->error["error"] . - ": " . $rply . $this->CRLF; - } - return false; - } - return true; + // if a hostname for the HELO was not specified determine + //a suitable one to send + if(empty($host)) { + // we need to determine some sort of appopiate default + // to send to the server + $host = "localhost"; } - /** - * Sends the quit command to the server and then closes the socket - * if there is no error or the $close_on_error argument is true. - * - * Implements from rfc 821: QUIT - * - * SMTP CODE SUCCESS: 221 - * SMTP CODE ERROR : 500 - * @access public - * @return bool - */ - function Quit($close_on_error=true) { - $this->error = null; # so there is no confusion - - if(!$this->connected()) { - $this->error = array( - "error" => "Called Quit() without being connected"); - return false; - } - - # send the quit command to the server - fputs($this->smtp_conn,"quit" . $this->CRLF); - - # get any good-bye messages - $byemsg = $this->get_lines(); - - if($this->do_debug >= 2) { - echo "SMTP -> FROM SERVER:" . $this->CRLF . $byemsg; - } - - $rval = true; - $e = null; - - $code = substr($byemsg,0,3); - if($code != 221) { - # use e as a tmp var cause Close will overwrite $this->error - $e = array("error" => "SMTP server rejected quit command", - "smtp_code" => $code, - "smtp_rply" => substr($byemsg,4)); - $rval = false; - if($this->do_debug >= 1) { - echo "SMTP -> ERROR: " . $e["error"] . ": " . - $byemsg . $this->CRLF; - } - } - - if(empty($e) || $close_on_error) { - $this->Close(); - } - - return $rval; + // Send extended hello first (RFC 2821) + if(!$this->SendHello("EHLO", $host)) + { + if(!$this->SendHello("HELO", $host)) + return false; } - /** - * Sends the command RCPT to the SMTP server with the TO: argument of $to. - * Returns true if the recipient was accepted false if it was rejected. - * - * Implements from rfc 821: RCPT TO: - * - * SMTP CODE SUCCESS: 250,251 - * SMTP CODE FAILURE: 550,551,552,553,450,451,452 - * SMTP CODE ERROR : 500,501,503,421 - * @access public - * @return bool - */ - function Recipient($to) { - $this->error = null; # so no confusion is caused + return true; + } - if(!$this->connected()) { - $this->error = array( - "error" => "Called Recipient() without being connected"); - return false; - } + /** + * Sends a HELO/EHLO command. + * @access private + * @return bool + */ + private function SendHello($hello, $host) { + fputs($this->smtp_conn, $hello . " " . $host . $this->CRLF); - fputs($this->smtp_conn,"RCPT TO:<" . $to . ">" . $this->CRLF); + $rply = $this->get_lines(); + $code = substr($rply,0,3); - $rply = $this->get_lines(); - $code = substr($rply,0,3); - - if($this->do_debug >= 2) { - echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; - } - - if($code != 250 && $code != 251) { - $this->error = - array("error" => "RCPT not accepted from server", - "smtp_code" => $code, - "smtp_msg" => substr($rply,4)); - if($this->do_debug >= 1) { - echo "SMTP -> ERROR: " . $this->error["error"] . - ": " . $rply . $this->CRLF; - } - return false; - } - return true; + if($this->do_debug >= 2) { + echo "SMTP -> FROM SERVER: " . $this->CRLF . $rply; } - /** - * Sends the RSET command to abort and transaction that is - * currently in progress. Returns true if successful false - * otherwise. - * - * Implements rfc 821: RSET - * - * SMTP CODE SUCCESS: 250 - * SMTP CODE ERROR : 500,501,504,421 - * @access public - * @return bool - */ - function Reset() { - $this->error = null; # so no confusion is caused - - if(!$this->connected()) { - $this->error = array( - "error" => "Called Reset() without being connected"); - return false; - } - - fputs($this->smtp_conn,"RSET" . $this->CRLF); - - $rply = $this->get_lines(); - $code = substr($rply,0,3); - - if($this->do_debug >= 2) { - echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; - } - - if($code != 250) { - $this->error = - array("error" => "RSET failed", - "smtp_code" => $code, - "smtp_msg" => substr($rply,4)); - if($this->do_debug >= 1) { - echo "SMTP -> ERROR: " . $this->error["error"] . - ": " . $rply . $this->CRLF; - } - return false; - } - - return true; + if($code != 250) { + $this->error = + array("error" => $hello . " not accepted from server", + "smtp_code" => $code, + "smtp_msg" => substr($rply,4)); + if($this->do_debug >= 1) { + echo "SMTP -> ERROR: " . $this->error["error"] . + ": " . $rply . $this->CRLF; + } + return false; } - /** - * Starts a mail transaction from the email address specified in - * $from. Returns true if successful or false otherwise. If True - * the mail transaction is started and then one or more Recipient - * commands may be called followed by a Data command. This command - * will send the message to the users terminal if they are logged - * in. - * - * Implements rfc 821: SEND FROM: - * - * SMTP CODE SUCCESS: 250 - * SMTP CODE SUCCESS: 552,451,452 - * SMTP CODE SUCCESS: 500,501,502,421 - * @access public - * @return bool - */ - function Send($from) { - $this->error = null; # so no confusion is caused + $this->helo_rply = $rply; - if(!$this->connected()) { - $this->error = array( - "error" => "Called Send() without being connected"); - return false; - } + return true; + } - fputs($this->smtp_conn,"SEND FROM:" . $from . $this->CRLF); + /** + * Gets help information on the keyword specified. If the keyword + * is not specified then returns generic help, ussually contianing + * A list of keywords that help is available on. This function + * returns the results back to the user. It is up to the user to + * handle the returned data. If an error occurs then false is + * returned with $this->error set appropiately. + * + * Implements rfc 821: HELP [ ] + * + * SMTP CODE SUCCESS: 211,214 + * SMTP CODE ERROR : 500,501,502,504,421 + * @access public + * @return string + */ + public function Help($keyword="") { + $this->error = null; // to avoid confusion - $rply = $this->get_lines(); - $code = substr($rply,0,3); - - if($this->do_debug >= 2) { - echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; - } - - if($code != 250) { - $this->error = - array("error" => "SEND not accepted from server", - "smtp_code" => $code, - "smtp_msg" => substr($rply,4)); - if($this->do_debug >= 1) { - echo "SMTP -> ERROR: " . $this->error["error"] . - ": " . $rply . $this->CRLF; - } - return false; - } - return true; + if(!$this->connected()) { + $this->error = array( + "error" => "Called Help() without being connected"); + return false; } - /** - * Starts a mail transaction from the email address specified in - * $from. Returns true if successful or false otherwise. If True - * the mail transaction is started and then one or more Recipient - * commands may be called followed by a Data command. This command - * will send the message to the users terminal if they are logged - * in and send them an email. - * - * Implements rfc 821: SAML FROM: - * - * SMTP CODE SUCCESS: 250 - * SMTP CODE SUCCESS: 552,451,452 - * SMTP CODE SUCCESS: 500,501,502,421 - * @access public - * @return bool - */ - function SendAndMail($from) { - $this->error = null; # so no confusion is caused - - if(!$this->connected()) { - $this->error = array( - "error" => "Called SendAndMail() without being connected"); - return false; - } - - fputs($this->smtp_conn,"SAML FROM:" . $from . $this->CRLF); - - $rply = $this->get_lines(); - $code = substr($rply,0,3); - - if($this->do_debug >= 2) { - echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; - } - - if($code != 250) { - $this->error = - array("error" => "SAML not accepted from server", - "smtp_code" => $code, - "smtp_msg" => substr($rply,4)); - if($this->do_debug >= 1) { - echo "SMTP -> ERROR: " . $this->error["error"] . - ": " . $rply . $this->CRLF; - } - return false; - } - return true; + $extra = ""; + if(!empty($keyword)) { + $extra = " " . $keyword; } - /** - * Starts a mail transaction from the email address specified in - * $from. Returns true if successful or false otherwise. If True - * the mail transaction is started and then one or more Recipient - * commands may be called followed by a Data command. This command - * will send the message to the users terminal if they are logged - * in or mail it to them if they are not. - * - * Implements rfc 821: SOML FROM: - * - * SMTP CODE SUCCESS: 250 - * SMTP CODE SUCCESS: 552,451,452 - * SMTP CODE SUCCESS: 500,501,502,421 - * @access public - * @return bool - */ - function SendOrMail($from) { - $this->error = null; # so no confusion is caused + fputs($this->smtp_conn,"HELP" . $extra . $this->CRLF); - if(!$this->connected()) { - $this->error = array( - "error" => "Called SendOrMail() without being connected"); - return false; - } + $rply = $this->get_lines(); + $code = substr($rply,0,3); - fputs($this->smtp_conn,"SOML FROM:" . $from . $this->CRLF); - - $rply = $this->get_lines(); - $code = substr($rply,0,3); - - if($this->do_debug >= 2) { - echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; - } - - if($code != 250) { - $this->error = - array("error" => "SOML not accepted from server", - "smtp_code" => $code, - "smtp_msg" => substr($rply,4)); - if($this->do_debug >= 1) { - echo "SMTP -> ERROR: " . $this->error["error"] . - ": " . $rply . $this->CRLF; - } - return false; - } - return true; + if($this->do_debug >= 2) { + echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; } - /** - * This is an optional command for SMTP that this class does not - * support. This method is here to make the RFC821 Definition - * complete for this class and __may__ be implimented in the future - * - * Implements from rfc 821: TURN - * - * SMTP CODE SUCCESS: 250 - * SMTP CODE FAILURE: 502 - * SMTP CODE ERROR : 500, 503 - * @access public - * @return bool - */ - function Turn() { - $this->error = array("error" => "This method, TURN, of the SMTP ". - "is not implemented"); - if($this->do_debug >= 1) { - echo "SMTP -> NOTICE: " . $this->error["error"] . $this->CRLF; - } - return false; + if($code != 211 && $code != 214) { + $this->error = + array("error" => "HELP not accepted from server", + "smtp_code" => $code, + "smtp_msg" => substr($rply,4)); + if($this->do_debug >= 1) { + echo "SMTP -> ERROR: " . $this->error["error"] . + ": " . $rply . $this->CRLF; + } + return false; } - /** - * Verifies that the name is recognized by the server. - * Returns false if the name could not be verified otherwise - * the response from the server is returned. - * - * Implements rfc 821: VRFY - * - * SMTP CODE SUCCESS: 250,251 - * SMTP CODE FAILURE: 550,551,553 - * SMTP CODE ERROR : 500,501,502,421 - * @access public - * @return int - */ - function Verify($name) { - $this->error = null; # so no confusion is caused + return $rply; + } - if(!$this->connected()) { - $this->error = array( - "error" => "Called Verify() without being connected"); - return false; - } + /** + * Starts a mail transaction from the email address specified in + * $from. Returns true if successful or false otherwise. If True + * the mail transaction is started and then one or more Recipient + * commands may be called followed by a Data command. + * + * Implements rfc 821: MAIL FROM: + * + * SMTP CODE SUCCESS: 250 + * SMTP CODE SUCCESS: 552,451,452 + * SMTP CODE SUCCESS: 500,501,421 + * @access public + * @return bool + */ + public function Mail($from) { + $this->error = null; // so no confusion is caused - fputs($this->smtp_conn,"VRFY " . $name . $this->CRLF); - - $rply = $this->get_lines(); - $code = substr($rply,0,3); - - if($this->do_debug >= 2) { - echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; - } - - if($code != 250 && $code != 251) { - $this->error = - array("error" => "VRFY failed on name '$name'", - "smtp_code" => $code, - "smtp_msg" => substr($rply,4)); - if($this->do_debug >= 1) { - echo "SMTP -> ERROR: " . $this->error["error"] . - ": " . $rply . $this->CRLF; - } - return false; - } - return $rply; + if(!$this->connected()) { + $this->error = array( + "error" => "Called Mail() without being connected"); + return false; } - /******************************************************************* - * INTERNAL FUNCTIONS * - ******************************************************************/ + $useVerp = ($this->do_verp ? "XVERP" : ""); + fputs($this->smtp_conn,"MAIL FROM:<" . $from . ">" . $useVerp . $this->CRLF); - /** - * Read in as many lines as possible - * either before eof or socket timeout occurs on the operation. - * With SMTP we can tell if we have more lines to read if the - * 4th character is '-' symbol. If it is a space then we don't - * need to read anything else. - * @access private - * @return string - */ - function get_lines() { - $data = ""; - while($str = fgets($this->smtp_conn,515)) { - if($this->do_debug >= 4) { - echo "SMTP -> get_lines(): \$data was \"$data\"" . - $this->CRLF; - echo "SMTP -> get_lines(): \$str is \"$str\"" . - $this->CRLF; - } - $data .= $str; - if($this->do_debug >= 4) { - echo "SMTP -> get_lines(): \$data is \"$data\"" . $this->CRLF; - } - # if the 4th character is a space then we are done reading - # so just break the loop - if(substr($str,3,1) == " ") { break; } - } - return $data; + $rply = $this->get_lines(); + $code = substr($rply,0,3); + + if($this->do_debug >= 2) { + echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; } + if($code != 250) { + $this->error = + array("error" => "MAIL not accepted from server", + "smtp_code" => $code, + "smtp_msg" => substr($rply,4)); + if($this->do_debug >= 1) { + echo "SMTP -> ERROR: " . $this->error["error"] . + ": " . $rply . $this->CRLF; + } + return false; + } + return true; + } + + /** + * Sends the command NOOP to the SMTP server. + * + * Implements from rfc 821: NOOP + * + * SMTP CODE SUCCESS: 250 + * SMTP CODE ERROR : 500, 421 + * @access public + * @return bool + */ + public function Noop() { + $this->error = null; // so no confusion is caused + + if(!$this->connected()) { + $this->error = array( + "error" => "Called Noop() without being connected"); + return false; + } + + fputs($this->smtp_conn,"NOOP" . $this->CRLF); + + $rply = $this->get_lines(); + $code = substr($rply,0,3); + + if($this->do_debug >= 2) { + echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; + } + + if($code != 250) { + $this->error = + array("error" => "NOOP not accepted from server", + "smtp_code" => $code, + "smtp_msg" => substr($rply,4)); + if($this->do_debug >= 1) { + echo "SMTP -> ERROR: " . $this->error["error"] . + ": " . $rply . $this->CRLF; + } + return false; + } + return true; + } + + /** + * Sends the quit command to the server and then closes the socket + * if there is no error or the $close_on_error argument is true. + * + * Implements from rfc 821: QUIT + * + * SMTP CODE SUCCESS: 221 + * SMTP CODE ERROR : 500 + * @access public + * @return bool + */ + public function Quit($close_on_error=true) { + $this->error = null; // so there is no confusion + + if(!$this->connected()) { + $this->error = array( + "error" => "Called Quit() without being connected"); + return false; + } + + // send the quit command to the server + fputs($this->smtp_conn,"quit" . $this->CRLF); + + // get any good-bye messages + $byemsg = $this->get_lines(); + + if($this->do_debug >= 2) { + echo "SMTP -> FROM SERVER:" . $this->CRLF . $byemsg; + } + + $rval = true; + $e = null; + + $code = substr($byemsg,0,3); + if($code != 221) { + // use e as a tmp var cause Close will overwrite $this->error + $e = array("error" => "SMTP server rejected quit command", + "smtp_code" => $code, + "smtp_rply" => substr($byemsg,4)); + $rval = false; + if($this->do_debug >= 1) { + echo "SMTP -> ERROR: " . $e["error"] . ": " . + $byemsg . $this->CRLF; + } + } + + if(empty($e) || $close_on_error) { + $this->Close(); + } + + return $rval; + } + + /** + * Sends the command RCPT to the SMTP server with the TO: argument of $to. + * Returns true if the recipient was accepted false if it was rejected. + * + * Implements from rfc 821: RCPT TO: + * + * SMTP CODE SUCCESS: 250,251 + * SMTP CODE FAILURE: 550,551,552,553,450,451,452 + * SMTP CODE ERROR : 500,501,503,421 + * @access public + * @return bool + */ + public function Recipient($to) { + $this->error = null; // so no confusion is caused + + if(!$this->connected()) { + $this->error = array( + "error" => "Called Recipient() without being connected"); + return false; + } + + fputs($this->smtp_conn,"RCPT TO:<" . $to . ">" . $this->CRLF); + + $rply = $this->get_lines(); + $code = substr($rply,0,3); + + if($this->do_debug >= 2) { + echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; + } + + if($code != 250 && $code != 251) { + $this->error = + array("error" => "RCPT not accepted from server", + "smtp_code" => $code, + "smtp_msg" => substr($rply,4)); + if($this->do_debug >= 1) { + echo "SMTP -> ERROR: " . $this->error["error"] . + ": " . $rply . $this->CRLF; + } + return false; + } + return true; + } + + /** + * Sends the RSET command to abort and transaction that is + * currently in progress. Returns true if successful false + * otherwise. + * + * Implements rfc 821: RSET + * + * SMTP CODE SUCCESS: 250 + * SMTP CODE ERROR : 500,501,504,421 + * @access public + * @return bool + */ + public function Reset() { + $this->error = null; // so no confusion is caused + + if(!$this->connected()) { + $this->error = array( + "error" => "Called Reset() without being connected"); + return false; + } + + fputs($this->smtp_conn,"RSET" . $this->CRLF); + + $rply = $this->get_lines(); + $code = substr($rply,0,3); + + if($this->do_debug >= 2) { + echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; + } + + if($code != 250) { + $this->error = + array("error" => "RSET failed", + "smtp_code" => $code, + "smtp_msg" => substr($rply,4)); + if($this->do_debug >= 1) { + echo "SMTP -> ERROR: " . $this->error["error"] . + ": " . $rply . $this->CRLF; + } + return false; + } + + return true; + } + + /** + * Starts a mail transaction from the email address specified in + * $from. Returns true if successful or false otherwise. If True + * the mail transaction is started and then one or more Recipient + * commands may be called followed by a Data command. This command + * will send the message to the users terminal if they are logged + * in. + * + * Implements rfc 821: SEND FROM: + * + * SMTP CODE SUCCESS: 250 + * SMTP CODE SUCCESS: 552,451,452 + * SMTP CODE SUCCESS: 500,501,502,421 + * @access public + * @return bool + */ + public function Send($from) { + $this->error = null; // so no confusion is caused + + if(!$this->connected()) { + $this->error = array( + "error" => "Called Send() without being connected"); + return false; + } + + fputs($this->smtp_conn,"SEND FROM:" . $from . $this->CRLF); + + $rply = $this->get_lines(); + $code = substr($rply,0,3); + + if($this->do_debug >= 2) { + echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; + } + + if($code != 250) { + $this->error = + array("error" => "SEND not accepted from server", + "smtp_code" => $code, + "smtp_msg" => substr($rply,4)); + if($this->do_debug >= 1) { + echo "SMTP -> ERROR: " . $this->error["error"] . + ": " . $rply . $this->CRLF; + } + return false; + } + return true; + } + + /** + * Starts a mail transaction from the email address specified in + * $from. Returns true if successful or false otherwise. If True + * the mail transaction is started and then one or more Recipient + * commands may be called followed by a Data command. This command + * will send the message to the users terminal if they are logged + * in and send them an email. + * + * Implements rfc 821: SAML FROM: + * + * SMTP CODE SUCCESS: 250 + * SMTP CODE SUCCESS: 552,451,452 + * SMTP CODE SUCCESS: 500,501,502,421 + * @access public + * @return bool + */ + public function SendAndMail($from) { + $this->error = null; // so no confusion is caused + + if(!$this->connected()) { + $this->error = array( + "error" => "Called SendAndMail() without being connected"); + return false; + } + + fputs($this->smtp_conn,"SAML FROM:" . $from . $this->CRLF); + + $rply = $this->get_lines(); + $code = substr($rply,0,3); + + if($this->do_debug >= 2) { + echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; + } + + if($code != 250) { + $this->error = + array("error" => "SAML not accepted from server", + "smtp_code" => $code, + "smtp_msg" => substr($rply,4)); + if($this->do_debug >= 1) { + echo "SMTP -> ERROR: " . $this->error["error"] . + ": " . $rply . $this->CRLF; + } + return false; + } + return true; + } + + /** + * Starts a mail transaction from the email address specified in + * $from. Returns true if successful or false otherwise. If True + * the mail transaction is started and then one or more Recipient + * commands may be called followed by a Data command. This command + * will send the message to the users terminal if they are logged + * in or mail it to them if they are not. + * + * Implements rfc 821: SOML FROM: + * + * SMTP CODE SUCCESS: 250 + * SMTP CODE SUCCESS: 552,451,452 + * SMTP CODE SUCCESS: 500,501,502,421 + * @access public + * @return bool + */ + public function SendOrMail($from) { + $this->error = null; // so no confusion is caused + + if(!$this->connected()) { + $this->error = array( + "error" => "Called SendOrMail() without being connected"); + return false; + } + + fputs($this->smtp_conn,"SOML FROM:" . $from . $this->CRLF); + + $rply = $this->get_lines(); + $code = substr($rply,0,3); + + if($this->do_debug >= 2) { + echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; + } + + if($code != 250) { + $this->error = + array("error" => "SOML not accepted from server", + "smtp_code" => $code, + "smtp_msg" => substr($rply,4)); + if($this->do_debug >= 1) { + echo "SMTP -> ERROR: " . $this->error["error"] . + ": " . $rply . $this->CRLF; + } + return false; + } + return true; + } + + /** + * This is an optional command for SMTP that this class does not + * support. This method is here to make the RFC821 Definition + * complete for this class and __may__ be implimented in the future + * + * Implements from rfc 821: TURN + * + * SMTP CODE SUCCESS: 250 + * SMTP CODE FAILURE: 502 + * SMTP CODE ERROR : 500, 503 + * @access public + * @return bool + */ + public function Turn() { + $this->error = array("error" => "This method, TURN, of the SMTP ". + "is not implemented"); + if($this->do_debug >= 1) { + echo "SMTP -> NOTICE: " . $this->error["error"] . $this->CRLF; + } + return false; + } + + /** + * Verifies that the name is recognized by the server. + * Returns false if the name could not be verified otherwise + * the response from the server is returned. + * + * Implements rfc 821: VRFY + * + * SMTP CODE SUCCESS: 250,251 + * SMTP CODE FAILURE: 550,551,553 + * SMTP CODE ERROR : 500,501,502,421 + * @access public + * @return int + */ + public function Verify($name) { + $this->error = null; // so no confusion is caused + + if(!$this->connected()) { + $this->error = array( + "error" => "Called Verify() without being connected"); + return false; + } + + fputs($this->smtp_conn,"VRFY " . $name . $this->CRLF); + + $rply = $this->get_lines(); + $code = substr($rply,0,3); + + if($this->do_debug >= 2) { + echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; + } + + if($code != 250 && $code != 251) { + $this->error = + array("error" => "VRFY failed on name '$name'", + "smtp_code" => $code, + "smtp_msg" => substr($rply,4)); + if($this->do_debug >= 1) { + echo "SMTP -> ERROR: " . $this->error["error"] . + ": " . $rply . $this->CRLF; + } + return false; + } + return $rply; + } + + /******************************************************************* + * INTERNAL FUNCTIONS * + ******************************************************************/ + + /** + * Read in as many lines as possible + * either before eof or socket timeout occurs on the operation. + * With SMTP we can tell if we have more lines to read if the + * 4th character is '-' symbol. If it is a space then we don't + * need to read anything else. + * @access private + * @return string + */ + private function get_lines() { + $data = ""; + while($str = @fgets($this->smtp_conn,515)) { + if($this->do_debug >= 4) { + echo "SMTP -> get_lines(): \$data was \"$data\"" . + $this->CRLF; + echo "SMTP -> get_lines(): \$str is \"$str\"" . + $this->CRLF; + } + $data .= $str; + if($this->do_debug >= 4) { + echo "SMTP -> get_lines(): \$data is \"$data\"" . $this->CRLF; + } + // if the 4th character is a space then we are done reading + // so just break the loop + if(substr($str,3,1) == " ") { break; } + } + return $data; + } + } -?> + + ?>