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d3819fcb
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Scott Ullrich
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<?php
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/*
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* smtp.php
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*
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* @(#) $Header$
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*
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*/
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523855b0
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Scott Ullrich
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/*
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pfSense_MODULE: notifications
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*/
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d3819fcb
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Scott Ullrich
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class smtp_class
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{
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var $user="";
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var $realm="";
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var $password="";
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var $workstation="";
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var $authentication_mechanism="";
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var $host_name="";
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var $host_port=25;
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var $ssl=0;
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var $localhost="";
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var $timeout=0;
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var $data_timeout=0;
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var $direct_delivery=0;
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var $error="";
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var $debug=0;
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var $html_debug=0;
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var $esmtp=1;
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var $esmtp_host="";
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var $esmtp_extensions=array();
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var $maximum_piped_recipients=100;
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var $exclude_address="";
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var $getmxrr="GetMXRR";
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var $pop3_auth_host="";
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var $pop3_auth_port=110;
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/* private variables - DO NOT ACCESS */
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var $state="Disconnected";
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var $connection=0;
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var $pending_recipients=0;
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var $next_token="";
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var $direct_sender="";
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var $connected_domain="";
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var $result_code;
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var $disconnected_error=0;
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/* Private methods - DO NOT CALL */
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Function Tokenize($string,$separator="")
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{
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if(!strcmp($separator,""))
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{
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$separator=$string;
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$string=$this->next_token;
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}
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for($character=0;$character<strlen($separator);$character++)
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{
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if(GetType($position=strpos($string,$separator[$character]))=="integer")
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$found=(IsSet($found) ? min($found,$position) : $position);
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}
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if(IsSet($found))
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{
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$this->next_token=substr($string,$found+1);
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return(substr($string,0,$found));
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}
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else
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{
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$this->next_token="";
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return($string);
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}
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}
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Function OutputDebug($message)
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{
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$message.="\n";
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if($this->html_debug)
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$message=str_replace("\n","<br />\n",HtmlEntities($message));
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echo $message;
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flush();
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}
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Function SetDataAccessError($error)
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{
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$this->error=$error;
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if(function_exists("socket_get_status"))
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{
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$status=socket_get_status($this->connection);
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if($status["timed_out"])
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$this->error.=": data access time out";
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elseif($status["eof"])
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{
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$this->error.=": the server disconnected";
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$this->disconnected_error=1;
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}
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}
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}
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Function GetLine()
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{
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for($line="";;)
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{
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if(feof($this->connection))
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{
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$this->error="reached the end of data while reading from the SMTP server conection";
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return("");
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}
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if(GetType($data=@fgets($this->connection,100))!="string"
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|| strlen($data)==0)
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{
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$this->SetDataAccessError("it was not possible to read line from the SMTP server");
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return("");
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}
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$line.=$data;
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$length=strlen($line);
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if($length>=2
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&& substr($line,$length-2,2)=="\r\n")
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{
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$line=substr($line,0,$length-2);
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if($this->debug)
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$this->OutputDebug("S $line");
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return($line);
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}
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}
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}
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Function PutLine($line)
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{
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if($this->debug)
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$this->OutputDebug("C $line");
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if(!@fputs($this->connection,"$line\r\n"))
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{
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$this->SetDataAccessError("it was not possible to send a line to the SMTP server");
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return(0);
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}
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return(1);
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}
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Function PutData(&$data)
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{
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if(strlen($data))
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{
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if($this->debug)
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$this->OutputDebug("C $data");
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| 147 |
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if(!@fputs($this->connection,$data))
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{
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| 149 |
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$this->SetDataAccessError("it was not possible to send data to the SMTP server");
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return(0);
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| 151 |
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}
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| 152 |
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}
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| 153 |
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return(1);
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| 154 |
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}
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| 155 |
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| 156 |
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Function VerifyResultLines($code,&$responses)
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| 157 |
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{
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| 158 |
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$responses=array();
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| 159 |
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Unset($this->result_code);
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| 160 |
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while(strlen($line=$this->GetLine($this->connection)))
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| 161 |
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{
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| 162 |
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if(IsSet($this->result_code))
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| 163 |
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{
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| 164 |
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if(strcmp($this->Tokenize($line," -"),$this->result_code))
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| 165 |
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{
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| 166 |
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$this->error=$line;
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| 167 |
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return(0);
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| 168 |
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}
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| 169 |
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}
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| 170 |
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else
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{
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$this->result_code=$this->Tokenize($line," -");
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| 173 |
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if(GetType($code)=="array")
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{
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for($codes=0;$codes<count($code) && strcmp($this->result_code,$code[$codes]);$codes++);
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if($codes>=count($code))
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| 177 |
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{
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| 178 |
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$this->error=$line;
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| 179 |
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return(0);
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}
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| 181 |
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}
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else
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{
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| 184 |
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if(strcmp($this->result_code,$code))
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| 185 |
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{
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| 186 |
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$this->error=$line;
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| 187 |
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return(0);
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| 188 |
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}
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| 189 |
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}
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| 190 |
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}
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$responses[]=$this->Tokenize("");
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| 192 |
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if(!strcmp($this->result_code,$this->Tokenize($line," ")))
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return(1);
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}
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| 195 |
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return(-1);
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| 196 |
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}
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| 197 |
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| 198 |
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Function FlushRecipients()
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| 199 |
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{
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| 200 |
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if($this->pending_sender)
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| 201 |
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{
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| 202 |
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if($this->VerifyResultLines("250",$responses)<=0)
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| 203 |
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return(0);
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$this->pending_sender=0;
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| 205 |
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}
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| 206 |
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for(;$this->pending_recipients;$this->pending_recipients--)
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| 207 |
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{
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| 208 |
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if($this->VerifyResultLines(array("250","251"),$responses)<=0)
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| 209 |
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return(0);
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| 210 |
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}
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| 211 |
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return(1);
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| 212 |
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}
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| 213 |
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| 214 |
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Function ConnectToHost($domain, $port, $resolve_message)
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| 215 |
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{
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| 216 |
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if($this->ssl)
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| 217 |
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{
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| 218 |
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$version=explode(".",function_exists("phpversion") ? phpversion() : "3.0.7");
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| 219 |
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$php_version=intval($version[0])*1000000+intval($version[1])*1000+intval($version[2]);
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| 220 |
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if($php_version<4003000)
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| 221 |
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return("establishing SSL connections requires at least PHP version 4.3.0");
|
| 222 |
|
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if(!function_exists("extension_loaded")
|
| 223 |
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|| !extension_loaded("openssl"))
|
| 224 |
|
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return("establishing SSL connections requires the OpenSSL extension enabled");
|
| 225 |
|
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}
|
| 226 |
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if(ereg('^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$',$domain))
|
| 227 |
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$ip=$domain;
|
| 228 |
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else
|
| 229 |
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{
|
| 230 |
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if($this->debug)
|
| 231 |
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$this->OutputDebug($resolve_message);
|
| 232 |
|
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if(!strcmp($ip=@gethostbyname($domain),$domain))
|
| 233 |
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return("could not resolve host \"".$domain."\"");
|
| 234 |
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}
|
| 235 |
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if(strlen($this->exclude_address)
|
| 236 |
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&& !strcmp(@gethostbyname($this->exclude_address),$ip))
|
| 237 |
|
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return("domain \"".$domain."\" resolved to an address excluded to be valid");
|
| 238 |
|
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if($this->debug)
|
| 239 |
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$this->OutputDebug("Connecting to host address \"".$ip."\" port ".$port."...");
|
| 240 |
|
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if(($this->connection=($this->timeout ? @fsockopen(($this->ssl ? "ssl://" : "").$ip,$port,$errno,$error,$this->timeout) : @fsockopen(($this->ssl ? "ssl://" : "").$ip,$port))))
|
| 241 |
|
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return("");
|
| 242 |
|
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$error=($this->timeout ? strval($error) : "??");
|
| 243 |
|
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switch($error)
|
| 244 |
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{
|
| 245 |
|
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case "-3":
|
| 246 |
|
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return("-3 socket could not be created");
|
| 247 |
|
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case "-4":
|
| 248 |
|
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return("-4 dns lookup on hostname \"".$domain."\" failed");
|
| 249 |
|
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case "-5":
|
| 250 |
|
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return("-5 connection refused or timed out");
|
| 251 |
|
|
case "-6":
|
| 252 |
|
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return("-6 fdopen() call failed");
|
| 253 |
|
|
case "-7":
|
| 254 |
|
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return("-7 setvbuf() call failed");
|
| 255 |
|
|
}
|
| 256 |
|
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return("could not connect to the host \"".$domain."\": ".$error);
|
| 257 |
|
|
}
|
| 258 |
|
|
|
| 259 |
|
|
Function SASLAuthenticate($mechanisms, $credentials, &$authenticated, &$mechanism)
|
| 260 |
|
|
{
|
| 261 |
|
|
$authenticated=0;
|
| 262 |
|
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if(!function_exists("class_exists")
|
| 263 |
|
|
|| !class_exists("sasl_client_class"))
|
| 264 |
|
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{
|
| 265 |
|
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$this->error="it is not possible to authenticate using the specified mechanism because the SASL library class is not loaded";
|
| 266 |
|
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return(0);
|
| 267 |
|
|
}
|
| 268 |
|
|
$sasl=new sasl_client_class;
|
| 269 |
|
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$sasl->SetCredential("user",$credentials["user"]);
|
| 270 |
|
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$sasl->SetCredential("password",$credentials["password"]);
|
| 271 |
|
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if(IsSet($credentials["realm"]))
|
| 272 |
|
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$sasl->SetCredential("realm",$credentials["realm"]);
|
| 273 |
|
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if(IsSet($credentials["workstation"]))
|
| 274 |
|
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$sasl->SetCredential("workstation",$credentials["workstation"]);
|
| 275 |
|
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if(IsSet($credentials["mode"]))
|
| 276 |
|
|
$sasl->SetCredential("mode",$credentials["mode"]);
|
| 277 |
|
|
do
|
| 278 |
|
|
{
|
| 279 |
|
|
$status=$sasl->Start($mechanisms,$message,$interactions);
|
| 280 |
|
|
}
|
| 281 |
|
|
while($status==SASL_INTERACT);
|
| 282 |
|
|
switch($status)
|
| 283 |
|
|
{
|
| 284 |
|
|
case SASL_CONTINUE:
|
| 285 |
|
|
break;
|
| 286 |
|
|
case SASL_NOMECH:
|
| 287 |
|
|
if(strlen($this->authentication_mechanism))
|
| 288 |
|
|
{
|
| 289 |
|
|
$this->error="authenticated mechanism ".$this->authentication_mechanism." may not be used: ".$sasl->error;
|
| 290 |
|
|
return(0);
|
| 291 |
|
|
}
|
| 292 |
|
|
break;
|
| 293 |
|
|
default:
|
| 294 |
|
|
$this->error="Could not start the SASL authentication client: ".$sasl->error;
|
| 295 |
|
|
return(0);
|
| 296 |
|
|
}
|
| 297 |
|
|
if(strlen($mechanism=$sasl->mechanism))
|
| 298 |
|
|
{
|
| 299 |
|
|
if($this->PutLine("AUTH ".$sasl->mechanism.(IsSet($message) ? " ".base64_encode($message) : ""))==0)
|
| 300 |
|
|
{
|
| 301 |
|
|
$this->error="Could not send the AUTH command";
|
| 302 |
|
|
return(0);
|
| 303 |
|
|
}
|
| 304 |
|
|
if(!$this->VerifyResultLines(array("235","334"),$responses))
|
| 305 |
|
|
return(0);
|
| 306 |
|
|
switch($this->result_code)
|
| 307 |
|
|
{
|
| 308 |
|
|
case "235":
|
| 309 |
|
|
$response="";
|
| 310 |
|
|
$authenticated=1;
|
| 311 |
|
|
break;
|
| 312 |
|
|
case "334":
|
| 313 |
|
|
$response=base64_decode($responses[0]);
|
| 314 |
|
|
break;
|
| 315 |
|
|
default:
|
| 316 |
|
|
$this->error="Authentication error: ".$responses[0];
|
| 317 |
|
|
return(0);
|
| 318 |
|
|
}
|
| 319 |
|
|
for(;!$authenticated;)
|
| 320 |
|
|
{
|
| 321 |
|
|
do
|
| 322 |
|
|
{
|
| 323 |
|
|
$status=$sasl->Step($response,$message,$interactions);
|
| 324 |
|
|
}
|
| 325 |
|
|
while($status==SASL_INTERACT);
|
| 326 |
|
|
switch($status)
|
| 327 |
|
|
{
|
| 328 |
|
|
case SASL_CONTINUE:
|
| 329 |
|
|
if($this->PutLine(base64_encode($message))==0)
|
| 330 |
|
|
{
|
| 331 |
|
|
$this->error="Could not send the authentication step message";
|
| 332 |
|
|
return(0);
|
| 333 |
|
|
}
|
| 334 |
|
|
if(!$this->VerifyResultLines(array("235","334"),$responses))
|
| 335 |
|
|
return(0);
|
| 336 |
|
|
switch($this->result_code)
|
| 337 |
|
|
{
|
| 338 |
|
|
case "235":
|
| 339 |
|
|
$response="";
|
| 340 |
|
|
$authenticated=1;
|
| 341 |
|
|
break;
|
| 342 |
|
|
case "334":
|
| 343 |
|
|
$response=base64_decode($responses[0]);
|
| 344 |
|
|
break;
|
| 345 |
|
|
default:
|
| 346 |
|
|
$this->error="Authentication error: ".$responses[0];
|
| 347 |
|
|
return(0);
|
| 348 |
|
|
}
|
| 349 |
|
|
break;
|
| 350 |
|
|
default:
|
| 351 |
|
|
$this->error="Could not process the SASL authentication step: ".$sasl->error;
|
| 352 |
|
|
return(0);
|
| 353 |
|
|
}
|
| 354 |
|
|
}
|
| 355 |
|
|
}
|
| 356 |
|
|
return(1);
|
| 357 |
|
|
}
|
| 358 |
|
|
|
| 359 |
|
|
/* Public methods */
|
| 360 |
|
|
|
| 361 |
|
|
Function Connect($domain="")
|
| 362 |
|
|
{
|
| 363 |
|
|
if(strcmp($this->state,"Disconnected"))
|
| 364 |
|
|
{
|
| 365 |
|
|
$this->error="connection is already established";
|
| 366 |
|
|
return(0);
|
| 367 |
|
|
}
|
| 368 |
|
|
$this->disconnected_error=0;
|
| 369 |
|
|
$this->error=$error="";
|
| 370 |
|
|
$this->esmtp_host="";
|
| 371 |
|
|
$this->esmtp_extensions=array();
|
| 372 |
|
|
$hosts=array();
|
| 373 |
|
|
if($this->direct_delivery)
|
| 374 |
|
|
{
|
| 375 |
|
|
if(strlen($domain)==0)
|
| 376 |
|
|
return(1);
|
| 377 |
|
|
$hosts=$weights=$mxhosts=array();
|
| 378 |
|
|
$getmxrr=$this->getmxrr;
|
| 379 |
|
|
if(function_exists($getmxrr)
|
| 380 |
|
|
&& $getmxrr($domain,$hosts,$weights))
|
| 381 |
|
|
{
|
| 382 |
|
|
for($host=0;$host<count($hosts);$host++)
|
| 383 |
|
|
$mxhosts[$weights[$host]]=$hosts[$host];
|
| 384 |
|
|
KSort($mxhosts);
|
| 385 |
|
|
for(Reset($mxhosts),$host=0;$host<count($mxhosts);Next($mxhosts),$host++)
|
| 386 |
|
|
$hosts[$host]=$mxhosts[Key($mxhosts)];
|
| 387 |
|
|
}
|
| 388 |
|
|
else
|
| 389 |
|
|
{
|
| 390 |
|
|
if(strcmp(@gethostbyname($domain),$domain)!=0)
|
| 391 |
|
|
$hosts[]=$domain;
|
| 392 |
|
|
}
|
| 393 |
|
|
}
|
| 394 |
|
|
else
|
| 395 |
|
|
{
|
| 396 |
|
|
if(strlen($this->host_name))
|
| 397 |
|
|
$hosts[]=$this->host_name;
|
| 398 |
|
|
if(strlen($this->pop3_auth_host))
|
| 399 |
|
|
{
|
| 400 |
|
|
$user=$this->user;
|
| 401 |
|
|
if(strlen($user)==0)
|
| 402 |
|
|
{
|
| 403 |
|
|
$this->error="it was not specified the POP3 authentication user";
|
| 404 |
|
|
return(0);
|
| 405 |
|
|
}
|
| 406 |
|
|
$password=$this->password;
|
| 407 |
|
|
if(strlen($password)==0)
|
| 408 |
|
|
{
|
| 409 |
|
|
$this->error="it was not specified the POP3 authentication password";
|
| 410 |
|
|
return(0);
|
| 411 |
|
|
}
|
| 412 |
|
|
$domain=$this->pop3_auth_host;
|
| 413 |
|
|
$this->error=$this->ConnectToHost($domain, $this->pop3_auth_port, "Resolving POP3 authentication host \"".$domain."\"...");
|
| 414 |
|
|
if(strlen($this->error))
|
| 415 |
|
|
return(0);
|
| 416 |
|
|
if(strlen($response=$this->GetLine())==0)
|
| 417 |
|
|
return(0);
|
| 418 |
|
|
if(strcmp($this->Tokenize($response," "),"+OK"))
|
| 419 |
|
|
{
|
| 420 |
|
|
$this->error="POP3 authentication server greeting was not found";
|
| 421 |
|
|
return(0);
|
| 422 |
|
|
}
|
| 423 |
|
|
if(!$this->PutLine("USER ".$this->user)
|
| 424 |
|
|
|| strlen($response=$this->GetLine())==0)
|
| 425 |
|
|
return(0);
|
| 426 |
|
|
if(strcmp($this->Tokenize($response," "),"+OK"))
|
| 427 |
|
|
{
|
| 428 |
|
|
$this->error="POP3 authentication user was not accepted: ".$this->Tokenize("\r\n");
|
| 429 |
|
|
return(0);
|
| 430 |
|
|
}
|
| 431 |
|
|
if(!$this->PutLine("PASS ".$password)
|
| 432 |
|
|
|| strlen($response=$this->GetLine())==0)
|
| 433 |
|
|
return(0);
|
| 434 |
|
|
if(strcmp($this->Tokenize($response," "),"+OK"))
|
| 435 |
|
|
{
|
| 436 |
|
|
$this->error="POP3 authentication password was not accepted: ".$this->Tokenize("\r\n");
|
| 437 |
|
|
return(0);
|
| 438 |
|
|
}
|
| 439 |
|
|
fclose($this->connection);
|
| 440 |
|
|
$this->connection=0;
|
| 441 |
|
|
}
|
| 442 |
|
|
}
|
| 443 |
|
|
if(count($hosts)==0)
|
| 444 |
|
|
{
|
| 445 |
|
|
$this->error="could not determine the SMTP to connect";
|
| 446 |
|
|
return(0);
|
| 447 |
|
|
}
|
| 448 |
|
|
for($host=0, $error="not connected";strlen($error) && $host<count($hosts);$host++)
|
| 449 |
|
|
{
|
| 450 |
|
|
$domain=$hosts[$host];
|
| 451 |
|
|
$error=$this->ConnectToHost($domain, $this->host_port, "Resolving SMTP server domain \"$domain\"...");
|
| 452 |
|
|
}
|
| 453 |
|
|
if(strlen($error))
|
| 454 |
|
|
{
|
| 455 |
|
|
$this->error=$error;
|
| 456 |
|
|
return(0);
|
| 457 |
|
|
}
|
| 458 |
|
|
$timeout=($this->data_timeout ? $this->data_timeout : $this->timeout);
|
| 459 |
|
|
if($timeout
|
| 460 |
|
|
&& function_exists("socket_set_timeout"))
|
| 461 |
|
|
socket_set_timeout($this->connection,$timeout,0);
|
| 462 |
|
|
if($this->debug)
|
| 463 |
|
|
$this->OutputDebug("Connected to SMTP server \"".$domain."\".");
|
| 464 |
|
|
if(!strcmp($localhost=$this->localhost,"")
|
| 465 |
|
|
&& !strcmp($localhost=getenv("SERVER_NAME"),"")
|
| 466 |
|
|
&& !strcmp($localhost=getenv("HOST"),""))
|
| 467 |
|
|
$localhost="localhost";
|
| 468 |
|
|
$success=0;
|
| 469 |
|
|
if($this->VerifyResultLines("220",$responses)>0)
|
| 470 |
|
|
{
|
| 471 |
|
|
$fallback=1;
|
| 472 |
|
|
if($this->esmtp
|
| 473 |
|
|
|| strlen($this->user))
|
| 474 |
|
|
{
|
| 475 |
|
|
if($this->PutLine("EHLO $localhost"))
|
| 476 |
|
|
{
|
| 477 |
|
|
if(($success_code=$this->VerifyResultLines("250",$responses))>0)
|
| 478 |
|
|
{
|
| 479 |
|
|
$this->esmtp_host=$this->Tokenize($responses[0]," ");
|
| 480 |
|
|
for($response=1;$response<count($responses);$response++)
|
| 481 |
|
|
{
|
| 482 |
|
|
$extension=strtoupper($this->Tokenize($responses[$response]," "));
|
| 483 |
|
|
$this->esmtp_extensions[$extension]=$this->Tokenize("");
|
| 484 |
|
|
}
|
| 485 |
|
|
$success=1;
|
| 486 |
|
|
$fallback=0;
|
| 487 |
|
|
}
|
| 488 |
|
|
else
|
| 489 |
|
|
{
|
| 490 |
|
|
if($success_code==0)
|
| 491 |
|
|
{
|
| 492 |
|
|
$code=$this->Tokenize($this->error," -");
|
| 493 |
|
|
switch($code)
|
| 494 |
|
|
{
|
| 495 |
|
|
case "421":
|
| 496 |
|
|
$fallback=0;
|
| 497 |
|
|
break;
|
| 498 |
|
|
}
|
| 499 |
|
|
}
|
| 500 |
|
|
}
|
| 501 |
|
|
}
|
| 502 |
|
|
else
|
| 503 |
|
|
$fallback=0;
|
| 504 |
|
|
}
|
| 505 |
|
|
if($fallback)
|
| 506 |
|
|
{
|
| 507 |
|
|
if($this->PutLine("HELO $localhost")
|
| 508 |
|
|
&& $this->VerifyResultLines("250",$responses)>0)
|
| 509 |
|
|
$success=1;
|
| 510 |
|
|
}
|
| 511 |
|
|
if($success
|
| 512 |
|
|
&& strlen($this->user)
|
| 513 |
|
|
&& strlen($this->pop3_auth_host)==0)
|
| 514 |
|
|
{
|
| 515 |
|
|
if(!IsSet($this->esmtp_extensions["AUTH"]))
|
| 516 |
|
|
{
|
| 517 |
|
|
$this->error="server does not require authentication";
|
| 518 |
|
|
$success=0;
|
| 519 |
|
|
}
|
| 520 |
|
|
else
|
| 521 |
|
|
{
|
| 522 |
|
|
if(strlen($this->authentication_mechanism))
|
| 523 |
|
|
$mechanisms=array($this->authentication_mechanism);
|
| 524 |
|
|
else
|
| 525 |
|
|
{
|
| 526 |
|
|
$mechanisms=array();
|
| 527 |
|
|
for($authentication=$this->Tokenize($this->esmtp_extensions["AUTH"]," ");strlen($authentication);$authentication=$this->Tokenize(" "))
|
| 528 |
|
|
$mechanisms[]=$authentication;
|
| 529 |
|
|
}
|
| 530 |
|
|
$credentials=array(
|
| 531 |
|
|
"user"=>$this->user,
|
| 532 |
|
|
"password"=>$this->password
|
| 533 |
|
|
);
|
| 534 |
|
|
if(strlen($this->realm))
|
| 535 |
|
|
$credentials["realm"]=$this->realm;
|
| 536 |
|
|
if(strlen($this->workstation))
|
| 537 |
|
|
$credentials["workstation"]=$this->workstation;
|
| 538 |
|
|
$success=$this->SASLAuthenticate($mechanisms,$credentials,$authenticated,$mechanism);
|
| 539 |
|
|
if(!$success
|
| 540 |
|
|
&& !strcmp($mechanism,"PLAIN"))
|
| 541 |
|
|
{
|
| 542 |
|
|
/*
|
| 543 |
|
|
* Author: Russell Robinson, 25 May 2003, http://www.tectite.com/
|
| 544 |
|
|
* Purpose: Try various AUTH PLAIN authentication methods.
|
| 545 |
|
|
*/
|
| 546 |
|
|
$mechanisms=array("PLAIN");
|
| 547 |
|
|
$credentials=array(
|
| 548 |
|
|
"user"=>$this->user,
|
| 549 |
|
|
"password"=>$this->password
|
| 550 |
|
|
);
|
| 551 |
|
|
if(strlen($this->realm))
|
| 552 |
|
|
{
|
| 553 |
|
|
/*
|
| 554 |
|
|
* According to: http://www.sendmail.org/~ca/email/authrealms.html#authpwcheck_method
|
| 555 |
|
|
* some sendmails won't accept the realm, so try again without it
|
| 556 |
|
|
*/
|
| 557 |
|
|
$success=$this->SASLAuthenticate($mechanisms,$credentials,$authenticated,$mechanism);
|
| 558 |
|
|
}
|
| 559 |
|
|
if(!$success)
|
| 560 |
|
|
{
|
| 561 |
|
|
/*
|
| 562 |
|
|
* It was seen an EXIM configuration like this:
|
| 563 |
|
|
* user^password^unused
|
| 564 |
|
|
*/
|
| 565 |
|
|
$credentials["mode"]=SASL_PLAIN_EXIM_DOCUMENTATION_MODE;
|
| 566 |
|
|
$success=$this->SASLAuthenticate($mechanisms,$credentials,$authenticated,$mechanism);
|
| 567 |
|
|
}
|
| 568 |
|
|
if(!$success)
|
| 569 |
|
|
{
|
| 570 |
|
|
/*
|
| 571 |
|
|
* ... though: http://exim.work.de/exim-html-3.20/doc/html/spec_36.html
|
| 572 |
|
|
* specifies: ^user^password
|
| 573 |
|
|
*/
|
| 574 |
|
|
$credentials["mode"]=SASL_PLAIN_EXIM_MODE;
|
| 575 |
|
|
$success=$this->SASLAuthenticate($mechanisms,$credentials,$authenticated,$mechanism);
|
| 576 |
|
|
}
|
| 577 |
|
|
}
|
| 578 |
|
|
if($success
|
| 579 |
|
|
&& strlen($mechanism)==0)
|
| 580 |
|
|
{
|
| 581 |
|
|
$this->error="it is not supported any of the authentication mechanisms required by the server";
|
| 582 |
|
|
$success=0;
|
| 583 |
|
|
}
|
| 584 |
|
|
}
|
| 585 |
|
|
}
|
| 586 |
|
|
}
|
| 587 |
|
|
if($success)
|
| 588 |
|
|
{
|
| 589 |
|
|
$this->state="Connected";
|
| 590 |
|
|
$this->connected_domain=$domain;
|
| 591 |
|
|
}
|
| 592 |
|
|
else
|
| 593 |
|
|
{
|
| 594 |
|
|
fclose($this->connection);
|
| 595 |
|
|
$this->connection=0;
|
| 596 |
|
|
}
|
| 597 |
|
|
return($success);
|
| 598 |
|
|
}
|
| 599 |
|
|
|
| 600 |
|
|
Function MailFrom($sender)
|
| 601 |
|
|
{
|
| 602 |
|
|
if($this->direct_delivery)
|
| 603 |
|
|
{
|
| 604 |
|
|
switch($this->state)
|
| 605 |
|
|
{
|
| 606 |
|
|
case "Disconnected":
|
| 607 |
|
|
$this->direct_sender=$sender;
|
| 608 |
|
|
return(1);
|
| 609 |
|
|
case "Connected":
|
| 610 |
|
|
$sender=$this->direct_sender;
|
| 611 |
|
|
break;
|
| 612 |
|
|
default:
|
| 613 |
|
|
$this->error="direct delivery connection is already established and sender is already set";
|
| 614 |
|
|
return(0);
|
| 615 |
|
|
}
|
| 616 |
|
|
}
|
| 617 |
|
|
else
|
| 618 |
|
|
{
|
| 619 |
|
|
if(strcmp($this->state,"Connected"))
|
| 620 |
|
|
{
|
| 621 |
|
|
$this->error="connection is not in the initial state";
|
| 622 |
|
|
return(0);
|
| 623 |
|
|
}
|
| 624 |
|
|
}
|
| 625 |
|
|
$this->error="";
|
| 626 |
|
|
if(!$this->PutLine("MAIL FROM:<$sender>"))
|
| 627 |
|
|
return(0);
|
| 628 |
|
|
if(!IsSet($this->esmtp_extensions["PIPELINING"])
|
| 629 |
|
|
&& $this->VerifyResultLines("250",$responses)<=0)
|
| 630 |
|
|
return(0);
|
| 631 |
|
|
$this->state="SenderSet";
|
| 632 |
|
|
if(IsSet($this->esmtp_extensions["PIPELINING"]))
|
| 633 |
|
|
$this->pending_sender=1;
|
| 634 |
|
|
$this->pending_recipients=0;
|
| 635 |
|
|
return(1);
|
| 636 |
|
|
}
|
| 637 |
|
|
|
| 638 |
|
|
Function SetRecipient($recipient)
|
| 639 |
|
|
{
|
| 640 |
|
|
if($this->direct_delivery)
|
| 641 |
|
|
{
|
| 642 |
|
|
if(GetType($at=strrpos($recipient,"@"))!="integer")
|
| 643 |
|
|
return("it was not specified a valid direct recipient");
|
| 644 |
|
|
$domain=substr($recipient,$at+1);
|
| 645 |
|
|
switch($this->state)
|
| 646 |
|
|
{
|
| 647 |
|
|
case "Disconnected":
|
| 648 |
|
|
if(!$this->Connect($domain))
|
| 649 |
|
|
return(0);
|
| 650 |
|
|
if(!$this->MailFrom(""))
|
| 651 |
|
|
{
|
| 652 |
|
|
$error=$this->error;
|
| 653 |
|
|
$this->Disconnect();
|
| 654 |
|
|
$this->error=$error;
|
| 655 |
|
|
return(0);
|
| 656 |
|
|
}
|
| 657 |
|
|
break;
|
| 658 |
|
|
case "SenderSet":
|
| 659 |
|
|
case "RecipientSet":
|
| 660 |
|
|
if(strcmp($this->connected_domain,$domain))
|
| 661 |
|
|
{
|
| 662 |
|
|
$this->error="it is not possible to deliver directly to recipients of different domains";
|
| 663 |
|
|
return(0);
|
| 664 |
|
|
}
|
| 665 |
|
|
break;
|
| 666 |
|
|
default:
|
| 667 |
|
|
$this->error="connection is already established and the recipient is already set";
|
| 668 |
|
|
return(0);
|
| 669 |
|
|
}
|
| 670 |
|
|
}
|
| 671 |
|
|
else
|
| 672 |
|
|
{
|
| 673 |
|
|
switch($this->state)
|
| 674 |
|
|
{
|
| 675 |
|
|
case "SenderSet":
|
| 676 |
|
|
case "RecipientSet":
|
| 677 |
|
|
break;
|
| 678 |
|
|
default:
|
| 679 |
|
|
$this->error="connection is not in the recipient setting state";
|
| 680 |
|
|
return(0);
|
| 681 |
|
|
}
|
| 682 |
|
|
}
|
| 683 |
|
|
$this->error="";
|
| 684 |
|
|
if(!$this->PutLine("RCPT TO:<$recipient>"))
|
| 685 |
|
|
return(0);
|
| 686 |
|
|
if(IsSet($this->esmtp_extensions["PIPELINING"]))
|
| 687 |
|
|
{
|
| 688 |
|
|
$this->pending_recipients++;
|
| 689 |
|
|
if($this->pending_recipients>=$this->maximum_piped_recipients)
|
| 690 |
|
|
{
|
| 691 |
|
|
if(!$this->FlushRecipients())
|
| 692 |
|
|
return(0);
|
| 693 |
|
|
}
|
| 694 |
|
|
}
|
| 695 |
|
|
else
|
| 696 |
|
|
{
|
| 697 |
|
|
if($this->VerifyResultLines(array("250","251"),$responses)<=0)
|
| 698 |
|
|
return(0);
|
| 699 |
|
|
}
|
| 700 |
|
|
$this->state="RecipientSet";
|
| 701 |
|
|
return(1);
|
| 702 |
|
|
}
|
| 703 |
|
|
|
| 704 |
|
|
Function StartData()
|
| 705 |
|
|
{
|
| 706 |
|
|
if(strcmp($this->state,"RecipientSet"))
|
| 707 |
|
|
{
|
| 708 |
|
|
$this->error="connection is not in the start sending data state";
|
| 709 |
|
|
return(0);
|
| 710 |
|
|
}
|
| 711 |
|
|
$this->error="";
|
| 712 |
|
|
if(!$this->PutLine("DATA"))
|
| 713 |
|
|
return(0);
|
| 714 |
|
|
if($this->pending_recipients)
|
| 715 |
|
|
{
|
| 716 |
|
|
if(!$this->FlushRecipients())
|
| 717 |
|
|
return(0);
|
| 718 |
|
|
}
|
| 719 |
|
|
if($this->VerifyResultLines("354",$responses)<=0)
|
| 720 |
|
|
return(0);
|
| 721 |
|
|
$this->state="SendingData";
|
| 722 |
|
|
return(1);
|
| 723 |
|
|
}
|
| 724 |
|
|
|
| 725 |
|
|
Function PrepareData(&$data,&$output,$preg=1)
|
| 726 |
|
|
{
|
| 727 |
|
|
if($preg
|
| 728 |
|
|
&& function_exists("preg_replace"))
|
| 729 |
|
|
$output=preg_replace(array("/\n\n|\r\r/","/(^|[^\r])\n/","/\r([^\n]|\$)/D","/(^|\n)\\./"),array("\r\n\r\n","\\1\r\n","\r\n\\1","\\1.."),$data);
|
| 730 |
|
|
else
|
| 731 |
|
|
$output=ereg_replace("(^|\n)\\.","\\1..",ereg_replace("\r([^\n]|\$)","\r\n\\1",ereg_replace("(^|[^\r])\n","\\1\r\n",ereg_replace("\n\n|\r\r","\r\n\r\n",$data))));
|
| 732 |
|
|
}
|
| 733 |
|
|
|
| 734 |
|
|
Function SendData($data)
|
| 735 |
|
|
{
|
| 736 |
|
|
if(strcmp($this->state,"SendingData"))
|
| 737 |
|
|
{
|
| 738 |
|
|
$this->error="connection is not in the sending data state";
|
| 739 |
|
|
return(0);
|
| 740 |
|
|
}
|
| 741 |
|
|
$this->error="";
|
| 742 |
|
|
return($this->PutData($data));
|
| 743 |
|
|
}
|
| 744 |
|
|
|
| 745 |
|
|
Function EndSendingData()
|
| 746 |
|
|
{
|
| 747 |
|
|
if(strcmp($this->state,"SendingData"))
|
| 748 |
|
|
{
|
| 749 |
|
|
$this->error="connection is not in the sending data state";
|
| 750 |
|
|
return(0);
|
| 751 |
|
|
}
|
| 752 |
|
|
$this->error="";
|
| 753 |
|
|
if(!$this->PutLine("\r\n.")
|
| 754 |
|
|
|| $this->VerifyResultLines("250",$responses)<=0)
|
| 755 |
|
|
return(0);
|
| 756 |
|
|
$this->state="Connected";
|
| 757 |
|
|
return(1);
|
| 758 |
|
|
}
|
| 759 |
|
|
|
| 760 |
|
|
Function ResetConnection()
|
| 761 |
|
|
{
|
| 762 |
|
|
switch($this->state)
|
| 763 |
|
|
{
|
| 764 |
|
|
case "Connected":
|
| 765 |
|
|
return(1);
|
| 766 |
|
|
case "SendingData":
|
| 767 |
|
|
$this->error="can not reset the connection while sending data";
|
| 768 |
|
|
return(0);
|
| 769 |
|
|
case "Disconnected":
|
| 770 |
|
|
$this->error="can not reset the connection before it is established";
|
| 771 |
|
|
return(0);
|
| 772 |
|
|
}
|
| 773 |
|
|
$this->error="";
|
| 774 |
|
|
if(!$this->PutLine("RSET")
|
| 775 |
|
|
|| $this->VerifyResultLines("250",$responses)<=0)
|
| 776 |
|
|
return(0);
|
| 777 |
|
|
$this->state="Connected";
|
| 778 |
|
|
return(1);
|
| 779 |
|
|
}
|
| 780 |
|
|
|
| 781 |
|
|
Function Disconnect($quit=1)
|
| 782 |
|
|
{
|
| 783 |
|
|
if(!strcmp($this->state,"Disconnected"))
|
| 784 |
|
|
{
|
| 785 |
|
|
$this->error="it was not previously established a SMTP connection";
|
| 786 |
|
|
return(0);
|
| 787 |
|
|
}
|
| 788 |
|
|
$this->error="";
|
| 789 |
|
|
if(!strcmp($this->state,"Connected")
|
| 790 |
|
|
&& $quit
|
| 791 |
|
|
&& (!$this->PutLine("QUIT")
|
| 792 |
|
|
|| ($this->VerifyResultLines("221",$responses)<=0
|
| 793 |
|
|
&& !$this->disconnected_error)))
|
| 794 |
|
|
return(0);
|
| 795 |
|
|
if($this->disconnected_error)
|
| 796 |
|
|
$this->disconnected_error=0;
|
| 797 |
|
|
else
|
| 798 |
|
|
fclose($this->connection);
|
| 799 |
|
|
$this->connection=0;
|
| 800 |
|
|
$this->state="Disconnected";
|
| 801 |
|
|
if($this->debug)
|
| 802 |
|
|
$this->OutputDebug("Disconnected.");
|
| 803 |
|
|
return(1);
|
| 804 |
|
|
}
|
| 805 |
|
|
|
| 806 |
|
|
Function SendMessage($sender,$recipients,$headers,$body)
|
| 807 |
|
|
{
|
| 808 |
|
|
if(($success=$this->Connect()))
|
| 809 |
|
|
{
|
| 810 |
|
|
if(($success=$this->MailFrom($sender)))
|
| 811 |
|
|
{
|
| 812 |
|
|
for($recipient=0;$recipient<count($recipients);$recipient++)
|
| 813 |
|
|
{
|
| 814 |
|
|
if(!($success=$this->SetRecipient($recipients[$recipient])))
|
| 815 |
|
|
break;
|
| 816 |
|
|
}
|
| 817 |
|
|
if($success
|
| 818 |
|
|
&& ($success=$this->StartData()))
|
| 819 |
|
|
{
|
| 820 |
|
|
for($header_data="",$header=0;$header<count($headers);$header++)
|
| 821 |
|
|
$header_data.=$headers[$header]."\r\n";
|
| 822 |
|
|
if(($success=$this->SendData($header_data."\r\n")))
|
| 823 |
|
|
{
|
| 824 |
|
|
$this->PrepareData($body,$body_data);
|
| 825 |
|
|
$success=$this->SendData($body_data);
|
| 826 |
|
|
}
|
| 827 |
|
|
if($success)
|
| 828 |
|
|
$success=$this->EndSendingData();
|
| 829 |
|
|
}
|
| 830 |
|
|
}
|
| 831 |
|
|
$error=$this->error;
|
| 832 |
|
|
$disconnect_success=$this->Disconnect($success);
|
| 833 |
|
|
if($success)
|
| 834 |
|
|
$success=$disconnect_success;
|
| 835 |
|
|
else
|
| 836 |
|
|
$this->error=$error;
|
| 837 |
|
|
}
|
| 838 |
|
|
return($success);
|
| 839 |
|
|
}
|
| 840 |
|
|
|
| 841 |
|
|
};
|
| 842 |
|
|
|
| 843 |
|
|
?>
|