GIF89a=( õ' 7IAXKgNgYvYx\%wh…hŽth%ˆs%—x¨}9®Œ©€&©‰%¶†(¹–.¹5·œD¹&Çš)ÇŸ5ǘ;Í£*È¡&Õ²)ׯ7×µ<Ñ»4ï°3ø‘HÖ§KͯT÷¨Yÿšqÿ»qÿÔFØ !ù ' !ÿ NETSCAPE2.0 , =( þÀ“pH,È¤rÉl:ŸÐ¨tJ­Z¯Ø¬vËíz¿à°xL.›Ïè´zÍn»ßð¸|N¯Ûïø¼~Ïïûÿ€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§gª«ªE¯°¨¬ª±²Œ¹º¹E¾­”´ÂB¶¯ §Åȸ»ÑD¾¿Á•ÄÅ®° ÝH¾ÒLÀÆDÙ«D¶BÝïðÀ¾DÑÑÔTÌÍíH òGö¨A RÎڐ |¥ ٭&ºìE8œ¹kGÔAÞpx­a¶­ã R2XB®åE8I€Õ6Xî:vT)äžþÀq¦è³¥ì仕F~%xñ  4#ZÔ‰O|-4Bs‘X:= QÉ œš lºÒyXJŠGȦ|s hÏíK–3l7·B|¥$'7Jީܪ‰‡àá”Dæn=Pƒ ¤Òëí‰`䌨ljóá¯Éüv>á–Á¼5 ½.69ûϸd«­ºÀûnlv©‹ªîf{¬ÜãPbŸ  l5‘Ž¯pß ´ ˜3aÅùäI«O’ý·‘áÞ‡˜¾Æ‚ÙÏiÇÿ‹Àƒ #öó)pâš Þ½ ‘Ý{ó)vmÞü%D~ 6f s}ŃƒDØW Eþ`‡þ À…L8xá†ç˜{)x`X/> Ì}mø‚–RØ‘*|`D=‚Ø_ ^ð5 !_…'aä“OÚ—7âcð`D”Cx`ÝÂ¥ä‹éY¹—F¼¤¥Š?¡Õ™ n@`} lď’ÄÉ@4>ñd œ à‘vÒxNÃ×™@žd=ˆgsžG±æ ´²æud &p8Qñ)ˆ«lXD©øÜéAžHìySun jª×k*D¤LH] †¦§C™Jä–´Xb~ʪwStŽ6K,°£qÁœ:9ت:¨þªl¨@¡`‚ûÚ ».Û¬¯t‹ÆSÉ[:°=Š‹„‘Nåû”Ìî{¿ÂA ‡Rà›ÀÙ6úë°Ÿð0Ä_ ½;ÃϱîÉì^ÇÛÇ#Ëë¼ôº!±Ä˜íUîÅÇ;0L1óÁµö«p% AÀºU̬ݵ¼á%霼€‡¯Á~`ÏG¯»À× ­²± =4ªnpð3¾¤³¯­ü¾¦îuÙuµÙ®|%2ÊIÿür¦#0·ÔJ``8È@S@5ê¢ ö×Þ^`8EÜ]ý.뜃Âç 7 ú ȉÞj œ½Dç zý¸iþœÑÙûÄë!ˆÞÀl§Ïw‹*DçI€nEX¯¬¼ &A¬Go¼QföõFç°¯;é¦÷îŽêJ°îúôF5¡ÌQ|îúöXªæ»TÁÏyñêï]ê² o óÎC=öõ›ÒÓPB@ D×½œä(>èCÂxŽ`±«Ÿ–JЀ»Û á¤±p+eE0`ëŽ`A Ú/NE€Ø†À9‚@¤à H½7”à‡%B‰`Àl*ƒó‘–‡8 2ñ%¸ —€:Ù1Á‰E¸àux%nP1ð!‘ðC)¾P81lÑɸF#ˆ€{´âé°ÈB„0>±û °b¡Š´±O‚3È–Ù()yRpbµ¨E.Z‘D8ÊH@% òŒx+%Ù˜Æcü »¸˜fõ¬b·d`Fê™8èXH"ÉÈ-±|1Ô6iI, 2““¬$+](A*jÐ QTÂo‰.ÛU슬Œã„Ž`¯SN¡–¶Äåyše¯ª’­¬‚´b¦Éož œ)åyâ@Ì®3 ÎtT̉°&Ø+žLÀf"Ø-|žçÔ>‡Ðv¦Ðžì\‚ Q1)Ž@Žh#aP72”ˆ™¨$‚ !ù " , =( …7IAXG]KgNgYvYxR"k\%w]'}hŽth%ˆg+ˆs%—r.—m3šx3˜x¨}9®€&©€+¨‡7§‰%¶†(¹–.¹œD¹&ǘ;Í•&ײ)×»4ïÌ6ò§KÍ þ@‘pH,È¤rÉl:ŸÐ¨tJ­Z¯Ø¬vËíz¿à°xL.›Ïè´zÍn»ßð¸|N¯Ûïø¼~Ïïûÿ€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§g «¬ E ±± ¨­¶°ººE Á´”·®C¬²§Ç¶Œ»ÓDÃÕƷ¯Ê±H½ºM×ÁGÚ¬D¶BËÁ½î½DÓôTÏÛßîG»ôõC×CÌ l&âž:'òtU³6ɹ#·Ø)€'Ü.6±&ëÍÈ» K(8p0N?!æ2"ÛˆNIJX>R¼ÐO‚M '¡¨2¸*Ÿþ>#n↠å@‚<[:¡Iïf’ ¤TÚ˘CdbÜÙ“[«ŽEú5MBo¤×@€`@„€Êt W-3 ¶Ÿ¡BíêäjIÝ…Eò9[T…$íêﯧ„…•s»Óȳ¹€ÅÚdc®UUρ#±Ùïldj?´í¼²`\ŽÁðÞu|3'ÖŒ]ë6 ¶S#²‡˜FKLÈ *N E´‘áäŠ$˜›eÄYD„ºq«.è촁ƒs \-ÔjA 9²õ÷å- üúM[Âx(ís÷ì®x€|í¡Ù’p¦‚ ŽkÛTÇDpE@WÜ ²Ç]kŠ1¨ þ€·Yb ÓÁ‰l°*n0 ç™—žzBdОu¾7ĉBl€â‰-ºx~|UåU‰  h*Hœ|e"#"?vpÄiŠe6^ˆ„+qâŠm8 #VÇá ‘å–ÄV„œ|Šè•m"сœn|@›U¶ÆΞ—Špb¥G¨ED”€±Úê2FÌIç? >Éxå Œ± ¡¤„%‘žjŸ‘ꄯ<Ìaà9ijÐ2˜D¦È&›†Z`‚å]wþ¼Â:ç6àB¤7eFJ|õÒ§Õ,¨äàFÇ®cS·Ê¶+B°,‘Þ˜ºNûãØ>PADÌHD¹æž«ÄÀnÌ¥}­#Ë’ë QÀÉSÌÂÇ2ÌXÀ{æk²lQÁ2«ÊðÀ¯w|2Í h‹ÄÂG€,m¾¶ë3ÐÙ6-´ÅE¬L°ÆIij*K½ÀÇqï`DwVÍQXœÚÔpeœ±¬Ñ q˜§Tœ½µƒ°Œìu Â<¶aØ*At¯lmEØ ü ôÛN[P1ÔÛ¦­±$ÜÆ@`ùåDpy¶yXvCAyåB`ŽD¶ 0QwG#¯ æš[^Äþ $ÀÓÝǦ{„L™[±úKÄgÌ;ï£S~¹ìGX.ôgoT.»åˆ°ùŸûù¡?1zö¦Ÿž:ÅgÁ|ìL¹ „®£œŠ‚à0œ]PÁ^p F<"•ç?!,ñ‡N4—…PÄ Á„ö¨Û:Tè@hÀ‹%táÿ:ø-žI<`þ‹p I….)^ 40D#p@ƒj4–؀:²‰1Øâr˜¼F2oW¼#Z†;$Q q” ‘ ÂK¦ñNl#29 !’F@¥Bh·ᏀL!—XFóLH‘Kh¤.«hE&JòG¨¥<™WN!€ÑÙÚˆY„@†>Œž19J" 2,/ &.GXB%ÌRÈ9B6¹W]’î×ÔW¥’IÎ$ ñ‹ÓŒE8YÆ ¼³™ñA5“à®Q.aŸB€&Ø©³ JÁ—! ¦t)K%tœ-¦JF bòNMxLôþ)ÐR¸Ð™‘ èÝ6‘O!THÌ„HÛ ‰ !ù ) , =( …AXKgNgYvYxR"k\%wh…hŽh%ˆg+ˆs%—r.—x3˜x¨}9®€&©€+¨Œ,©‡7§‰%¶†(¹–.¹5·&Çš)ǘ;Í•&×£*Ȳ)ׯ7×»4ï°3øÌ6ò‘HÖ§KÍ»Hó¯T÷¨Yÿ»qÿÇhÿ þÀ”pH,È¤rÉl:ŸÐ¨tJ­Z¯Ø¬vËíz¿à°xL.›Ïè´zÍn»ßð¸|N¯Ûïø¼~Ïïûÿ€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§g ª« E$±²¨ª­ · °²½$E$ÂÕ««D· Í ¿¦Ç¶¸ÌŒ¾³CÃÅÆ E ééH½MÛÂGâªD­ çBêêϾD²ÒaÀà€Š1r­ðÓ¤ ÔožzU!L˜C'¾yW½UGtäÇïÙllê0×àÂuGþ)AÀs[þ·xì ÁxO%ƒûX2ó—  P£n›R/¡ÑšHše+êDm?# —‘Ç£6¡8íJ¡ŸâDiäªM¥Ö„ôj“¬¹£5oQ7°- <‡ *´lãÓŒ2r/a!l)dÈ A™ÈE¢ôÔ͆…ð ;Ö˜c ¡%ß‚’Ùˆâ¸b½—pe~C"BíëÚHïeF2§æŠ8qb t_`urŠeü wÅu3êæPv§h•"ß`íÍxçLĹÜÖ3á  ~Öº“®›¸ÏMDfJÙ °„ÛµáWõ%§œ‚à©–‚X Ó؁)@®Ñ›Eþ´wëuÅSxb8y\mÖzœ¥§ZbºE—ÂLªÌw!y(>¡™wú=Ç|ÅÝs¢d €CÁW)HÜcC$€L Ä7„r.á\{)@ð` @ äXÈ$PD” `šaG:§æˆOˆ72EÐamn]ù"ŒcÊxÑŒ° &dR8`g«iÙŸLR!¦P …d’ä¡“¦ðÎTƒ¦ià|À _ ¥ Qi#¦Šg›Æ ›noMµ ›V ã£)p ç£ÎW…š=Âeªk§†j„ ´®1ß²sÉxéW«jšl|0¯B0Û, \jÛ´›6±¬¶C ÛíWþï|ëÙ‹¸ñzĸV {ì;Ýñn¼òVˆm³I¼³.Ðã¤PN¥ ²µ¼„µCã+¹ÍByî£Ñ¾HŸ›ëê 7ìYÆFTk¨SaoaY$Dµœìï¿Ã29RÈkt Çïfñ ÇÒ:ÀÐSp¹3ÇI¨â¥DZÄ ü9Ïýögñ½­uÔ*3)O‘˜Ö[_hv ,àî×Et Ÿé¶BH€ Õ[ü±64M@ÔSÌM7dÐl5-ÄÙU܍´©zߌ3Ô€3ž„ „ ¶ÛPô½5×g› êÚ˜kN„Ý…0Îj4€Ìë°“#{þÕ3S2çKÜ'ợlø¼Ú2K{° {Û¶?žm𸧠ËI¼nEò='êüóºè^üæÃ_Û=°óž‚ì#Oý¿Í'¡½áo..ÏYìnüñCœO±Áa¿¢Kô½o,üÄËbö²çºíï{ËC Ú— "”Ï{ËK ÍÒw„õ±Oz dÕ¨à:$ ƒô—«v»] A#ð «€¿šéz)Rx׿ˆ¥‚d``èw-îyÏf×K!ð€þ­Ð|ìPľ„=Ì`ý(f” 'Pa ¥ÐBJa%Ðâf§„%Š¡}FàáÝ×6>ÉäŠG"éŽè=ø!oŠ°^FP¼Ø©Q„ÀCÙÁ`(Ž\ÄÝ® ©Â$<n@dÄ E#ììUÒI! ‚#lù‹`k¦ÐÇ'Rró’ZýNBÈMF Í[¤+‹ðɈ-áwj¨¥þ8¾rá ,VÂh„"|½œ=×G_¦Ñ™EØ 0i*%̲˜Æda0mV‚k¾)›;„&6 p>ÓjK “¦Ç# âDÂ:ûc?:R Ó¬fÞéI-Ì“•Ã<ä=™Ï7˜3œ¨˜c2ŒW ,ˆ”8(T™P‰F¡Jhç"‚ ; 403WebShell
403Webshell
Server IP : 104.21.83.152  /  Your IP : 216.73.216.195
Web Server : LiteSpeed
System : Linux premium229.web-hosting.com 4.18.0-553.45.1.lve.el8.x86_64 #1 SMP Wed Mar 26 12:08:09 UTC 2025 x86_64
User : akhalid ( 749)
PHP Version : 8.3.22
Disable Function : NONE
MySQL : OFF  |  cURL : ON  |  WGET : ON  |  Perl : ON  |  Python : ON  |  Sudo : OFF  |  Pkexec : OFF
Directory :  /opt/alt/php81/usr/share/pear/Auth/SASL/

Upload File :
current_dir [ Writeable ] document_root [ Writeable ]

 

Command :

[ Back ]     

Current File : /opt/alt/php81/usr/share/pear/Auth/SASL/SCRAM.php
<?php
// +-----------------------------------------------------------------------+
// | Copyright (c) 2011 Jehan                                              |
// | All rights reserved.                                                  |
// |                                                                       |
// | Redistribution and use in source and binary forms, with or without    |
// | modification, are permitted provided that the following conditions    |
// | are met:                                                              |
// |                                                                       |
// | o Redistributions of source code must retain the above copyright      |
// |   notice, this list of conditions and the following disclaimer.       |
// | o Redistributions in binary form must reproduce the above copyright   |
// |   notice, this list of conditions and the following disclaimer in the |
// |   documentation and/or other materials provided with the distribution.|
// | o The names of the authors may not be used to endorse or promote      |
// |   products derived from this software without specific prior written  |
// |   permission.                                                         |
// |                                                                       |
// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS   |
// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT     |
// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
// | A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT  |
// | OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
// | SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT      |
// | LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
// | DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
// | THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT   |
// | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
// | OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.  |
// |                                                                       |
// +-----------------------------------------------------------------------+
// | Author: Jehan <[email protected]                             |
// +-----------------------------------------------------------------------+
//
// $Id$

/**
* Implementation of SCRAM-* SASL mechanisms.
* SCRAM mechanisms have 3 main steps (initial response, response to the server challenge, then server signature
* verification) which keep state-awareness. Therefore a single class instanciation must be done and reused for the whole
* authentication process.
*
* @author  Jehan <[email protected]>
* @access  public
* @version 1.0
* @package Auth_SASL
*/

require_once('Auth/SASL/Common.php');

class Auth_SASL_SCRAM extends Auth_SASL_Common
{
    /**
    * Construct a SCRAM-H client where 'H' is a cryptographic hash function.
    *
    * @param string $hash The name cryptographic hash function 'H' as registered by IANA in the "Hash Function Textual
    * Names" registry.
    * @link http://www.iana.org/assignments/hash-function-text-names/hash-function-text-names.xml "Hash Function Textual
    * Names"
    * format of core PHP hash function.
    * @access public
    */
    function __construct($hash)
    {
        // Though I could be strict, I will actually also accept the naming used in the PHP core hash framework.
        // For instance "sha1" is accepted, while the registered hash name should be "SHA-1".
        $hash = strtolower($hash);
        $hashes = array('md2' => 'md2',
            'md5' => 'md5',
            'sha-1' => 'sha1',
            'sha1' => 'sha1',
            'sha-224' > 'sha224',
            'sha224' > 'sha224',
            'sha-256' => 'sha256',
            'sha256' => 'sha256',
            'sha-384' => 'sha384',
            'sha384' => 'sha384',
            'sha-512' => 'sha512',
            'sha512' => 'sha512');
        if (function_exists('hash_hmac') && isset($hashes[$hash]))
        {
            $this->hash = create_function('$data', 'return hash("' . $hashes[$hash] . '", $data, TRUE);');
            $this->hmac = create_function('$key,$str,$raw', 'return hash_hmac("' . $hashes[$hash] . '", $str, $key, $raw);');
        }
        elseif ($hash == 'md5')
        {
            $this->hash = create_function('$data', 'return md5($data, true);');
            $this->hmac = array($this, '_HMAC_MD5');
        }
        elseif (in_array($hash, array('sha1', 'sha-1')))
        {
            $this->hash = create_function('$data', 'return sha1($data, true);');
            $this->hmac = array($this, '_HMAC_SHA1');
        }
        else
            return PEAR::raiseError('Invalid SASL mechanism type');
    }

    /**
    * Provides the (main) client response for SCRAM-H.
    *
    * @param  string $authcid   Authentication id (username)
    * @param  string $pass      Password
    * @param  string $challenge The challenge sent by the server.
    * If the challenge is NULL or an empty string, the result will be the "initial response".
    * @param  string $authzid   Authorization id (username to proxy as)
    * @return string|false      The response (binary, NOT base64 encoded)
    * @access public
    */
    public function getResponse($authcid, $pass, $challenge = NULL, $authzid = NULL)
    {
        $authcid = $this->_formatName($authcid);
        if (empty($authcid))
        {
            return false;
        }
        if (!empty($authzid))
        {
            $authzid = $this->_formatName($authzid);
            if (empty($authzid))
            {
                return false;
            }
        }

        if (empty($challenge))
        {
            return $this->_generateInitialResponse($authcid, $authzid);
        }
        else
        {
            return $this->_generateResponse($challenge, $pass);
        }

    }

    /**
    * Prepare a name for inclusion in a SCRAM response.
    *
    * @param string $username a name to be prepared.
    * @return string the reformated name.
    * @access private
    */
    private function _formatName($username)
    {
        // TODO: prepare through the SASLprep profile of the stringprep algorithm.
        // See RFC-4013.

        $username = str_replace('=', '=3D', $username);
        $username = str_replace(',', '=2C', $username);
        return $username;
    }

    /**
    * Generate the initial response which can be either sent directly in the first message or as a response to an empty
    * server challenge.
    *
    * @param string $authcid Prepared authentication identity.
    * @param string $authzid Prepared authorization identity.
    * @return string The SCRAM response to send.
    * @access private
    */
    private function _generateInitialResponse($authcid, $authzid)
    {
        $init_rep = '';
        $gs2_cbind_flag = 'n,'; // TODO: support channel binding.
        $this->gs2_header = $gs2_cbind_flag . (!empty($authzid)? 'a=' . $authzid : '') . ',';

        // I must generate a client nonce and "save" it for later comparison on second response.
        $this->cnonce = $this->_getCnonce();
        // XXX: in the future, when mandatory and/or optional extensions are defined in any updated RFC,
        // this message can be updated.
        $this->first_message_bare = 'n=' . $authcid . ',r=' . $this->cnonce;
        return $this->gs2_header . $this->first_message_bare;
    }

    /**
    * Parses and verifies a non-empty SCRAM challenge.
    *
    * @param  string $challenge The SCRAM challenge
    * @return string|false      The response to send; false in case of wrong challenge or if an initial response has not
    * been generated first.
    * @access private
    */
    private function _generateResponse($challenge, $password)
    {
        // XXX: as I don't support mandatory extension, I would fail on them.
        // And I simply ignore any optional extension.
        $server_message_regexp = "#^r=([\x21-\x2B\x2D-\x7E]+),s=((?:[A-Za-z0-9/+]{4})*(?:[A-Za-z0-9]{3}=|[A-Xa-z0-9]{2}==)?),i=([0-9]*)(,[A-Za-z]=[^,])*$#";
        if (!isset($this->cnonce, $this->gs2_header)
            || !preg_match($server_message_regexp, $challenge, $matches))
        {
            return false;
        }
        $nonce = $matches[1];
        $salt = base64_decode($matches[2]);
        if (!$salt)
        {
            // Invalid Base64.
            return false;
        }
        $i = intval($matches[3]);

        $cnonce = substr($nonce, 0, strlen($this->cnonce));
        if ($cnonce <> $this->cnonce)
        {
            // Invalid challenge! Are we under attack?
            return false;
        }

        $channel_binding = 'c=' . base64_encode($this->gs2_header); // TODO: support channel binding.
        $final_message = $channel_binding . ',r=' . $nonce; // XXX: no extension.

        // TODO: $password = $this->normalize($password); // SASLprep profile of stringprep.
        $saltedPassword = $this->hi($password, $salt, $i);
        $this->saltedPassword = $saltedPassword;
        $clientKey = call_user_func($this->hmac, $saltedPassword, "Client Key", TRUE);
        $storedKey = call_user_func($this->hash, $clientKey, TRUE);
        $authMessage = $this->first_message_bare . ',' . $challenge . ',' . $final_message;
        $this->authMessage = $authMessage;
        $clientSignature = call_user_func($this->hmac, $storedKey, $authMessage, TRUE);
        $clientProof = $clientKey ^ $clientSignature;
        $proof = ',p=' . base64_encode($clientProof);

        return $final_message . $proof;
    }

    /**
    * SCRAM has also a server verification step. On a successful outcome, it will send additional data which must
    * absolutely be checked against this function. If this fails, the entity which we are communicating with is probably
    * not the server as it has not access to your ServerKey.
    *
    * @param string $data The additional data sent along a successful outcome.
    * @return bool Whether the server has been authenticated.
    * If false, the client must close the connection and consider to be under a MITM attack.
    * @access public
    */
    public function processOutcome($data)
    {
        $verifier_regexp = '#^v=((?:[A-Za-z0-9/+]{4})*(?:[A-Za-z0-9]{3}=|[A-Xa-z0-9]{2}==)?)$#';
        if (!isset($this->saltedPassword, $this->authMessage)
            || !preg_match($verifier_regexp, $data, $matches))
        {
            // This cannot be an outcome, you never sent the challenge's response.
            return false;
        }

        $verifier = $matches[1];
        $proposed_serverSignature = base64_decode($verifier);
        $serverKey = call_user_func($this->hmac, $this->saltedPassword, "Server Key", true);
        $serverSignature = call_user_func($this->hmac, $serverKey, $this->authMessage, TRUE);
        return ($proposed_serverSignature === $serverSignature);
    }

    /**
    * Hi() call, which is essentially PBKDF2 (RFC-2898) with HMAC-H() as the pseudorandom function.
    *
    * @param string $str The string to hash.
    * @param string $hash The hash value.
    * @param int $i The iteration count.
    * @access private
    */
    private function hi($str, $salt, $i)
    {
        $int1 = "\0\0\0\1";
        $ui = call_user_func($this->hmac, $str, $salt . $int1, true);
        $result = $ui;
        for ($k = 1; $k < $i; $k++)
        {
            $ui = call_user_func($this->hmac, $str, $ui, true);
            $result = $result ^ $ui;
        }
        return $result;
    }


    /**
    * Creates the client nonce for the response
    *
    * @return string  The cnonce value
    * @access private
    * @author  Richard Heyes <[email protected]>
    */
    private function _getCnonce()
    {
        // TODO: I reused the nonce function from the DigestMD5 class.
        // I should probably make this a protected function in Common.
        if (@file_exists('/dev/urandom') && $fd = @fopen('/dev/urandom', 'r')) {
            return base64_encode(fread($fd, 32));

        } elseif (@file_exists('/dev/random') && $fd = @fopen('/dev/random', 'r')) {
            return base64_encode(fread($fd, 32));

        } else {
            $str = '';
            for ($i=0; $i<32; $i++) {
                $str .= chr(mt_rand(0, 255));
            }

            return base64_encode($str);
        }
    }

}

?>

Youez - 2016 - github.com/yon3zu
LinuXploit