....................................../////.===Shadow-Here===./////................................................ > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < ------------------------------------------------------------------------------------------------------------------- /////////////////////////////////////////////////////////////////////////////////////////////////////////////////// RIFF¤ WEBPVP8 ˜ ðÑ *ôô>‘HŸK¥¤"§£±¨àð enü¹%½_F‘åè¿2ºQú³íªú`N¿­3ÿƒügµJžaÿ¯ÿ°~¼ÎùnúîÞÖô•òíôÁÉß®Sm¥Ü/ ‡ó˜f£Ùà<˜„xëJ¢Ù€SO3x<ªÔ©4¿+ç¶A`q@Ì“Úñè™ÍÿJÌ´ª-˜ÆtÊÛL]Ïq*‘Ý”ì#ŸÌÏãY]@ê`¿ /ªfkØB4·®£ó z—Üw¥Pxù–ÞLШKÇN¾AkÙTf½è'‰g gÆv›Øuh~ a˜Z— ïj*á¥t d£“uÒ ¨`K˜¹ßþ]b>˜]_ÏÔ6W—è2r4x•íÖ…"ƒÖNîä!¦å Ú}ýxGøÌ —@ ;ÆÚŠ=ɾ1ý8lªË¥ô ^yf®Œ¢u&2©nÙÇ›ñÂñŒ³ aPo['½»øFùà­+4ê“$!lövlüÞ=;N®3ð‚õ›DÉKòÞ>ÄÍ ¥ˆuߤ#ˆ$6ù™¥îŠ‡y’ÍB¼ çxÛ;X"WL£R÷͝*ó-¶Zu}º.s¸sšXqù–DþÿvªhüïwyŸ ¯é³lÀ:KCûÄ£Ëá\…­ ~—ýóî ¼ûûÜTÓüÇy…ŽÆvc»¾×U ñ¸žþоP÷¦ó:Ò¨¨5;Ð#&#ÖúñläÿÁœ GxÉ­/ñ‡áQðìYÉtÒwŽ¼GÔ´zàÒò ð*ëzƒ•4~H]Ø‹f ñÓÈñ`NåWçs'ÆÏW^ø¹!XžµmQ5ÃËoLœÎ: ÞËÍ¥J ù…î èo£ßPÎñ¶ž8.Œ]ʵ~5›ÙË-ù*8ÙÖß±~ ©¹rÓê‚j¶d¸{^Q'˜±Crß ÚH—#¥¥QlÀ×ëã‡DÜ«èî þ&Çæžî;ŽÏºò6ÒLÃXy&ZŒ'j‚¢Ù€IßÚù+–MGi‰*jE€‘JcÜ ÓÌ EÏÚj]o˜ Þr <¾U ûŪæÍ/šÝH¥˜b”¼ ÁñßX GP›ï2›4WŠÏà×£…íÓk†¦H·ÅíMh–*nó÷à]ÁjCº€b7<ب‹¨5車bp2:Á[UªM„QŒçiNMa#<5›áËó¸HýÊ"…×Éw¹¦ì2º–x<›»a±¸3Weü®FÝ⑱ö–î–³|LPÈ~çð~Çå‡|º kD¢µÏàÆAI %1À% ¹Ò – ”ϝS¦‰4&¶£°à Öý”û_Ò Áw°A«Å€?mÇÛgHÉ/8)á¾ÛìáöŽP í¨PŸNÙµº¦‡§Ùš"ÿ«>+ªÕ`Ê÷‡‚ß Õû˜þãÇ-PÍ.¾XV‘€ dÜ"þ4¹ ±Oú‘©t¥¦FªÄÃÄ•b‚znýu½—#cDs˜ÃiÑOˆñ×QO=*IAÊ,¶ŽZƒ;‡wøXè%EÐk:F±Ú” .Ѽ+Áu&Ç`."pÈÉw o&¿dE6‘’EqTuK@Ì¥ã™À(Êk(h‰,H}RÀIXÛš3µ1©_OqÚÒJAñ$ÊÙÜ;D3çŒ[þùœh¬Ã³™ö6ç†NY".Ú‰ï[ªŸŒ '²Ð öø_¨ÂÉ9u鶳ÒŠõTàîMØ#û¯gN‡bÙ놚X„ö …ÉeüÌ^J ‹€.œ$Æ)βÄeæW#óüßĺŸ€ ÀzwV 9oä»f4V*uB «Ë†¹ì¯žR霓æHXa=&“I4K;¯ç‹h×·"UŠ~<•â•ªVêª&ÍSÃÆÅ?ÔqÎ*mTM ˜›µwêd#[C¡©§‘D<©àb†–ÁœøvH/,í:¯( ²£|4-„Æövv„Yͼ™^Á$ˆ„¢Û[6yB.åH*V¨æ?$=˜Ñ€•î¦ñ·­(VlŸ‘ nÀt8W÷´Bûba?q9ú¶Xƒl«ÿ\ù¶’þòUÐj/õ¢Ìµ³g$ƒÎR!¸»|Oߍë’BhîÚÑ¢ñåŒJ„®„£2Ð3•ô02Nt…!£Í]Ïc½Qÿ?ˆ<&ÃA¾Ú,JˆijÌ#5yz„‰Î|ÊŽ5QÏ:‹ÐaóVÔxW—CpeÏzÐïíçôÿÅ_[hãsÐ_/ŽTÝ?BîˆííV$<¿i>²F¬_Eß¿ †bÊŒº­ÿ®Z H“C}”¬,Mp ý/Bá£w>˜YV°aƒúh+cŠ- r/[%|üUMHäQ°X»|û/@|°¥Ð !BÔ Ç¢Ä©š+Õì D«7ìN¶ŽðÔ " ƶ’ÖçtA‰Û×}{tþz­¾GÍ›k¹OEJR$ Â׃ «ëÁ"oÉôž$oUK(Ä)Ãz³Ê-‹êN[Ò3Œñbï8P 4ƒ×q¢bo|?<ÛX¬òÄÍ°L–±›(™ûG?ýË©ÚÄ–ÂDØÐ_Ç¡ô ¾–ÄÏø ×e8Ë©$ÄF¹Å‹ì[©óìl:F¾f´‹‹Xì²ï®\¬ôùƒ ÿat¥óèÒùHß0äe‚;ü×h:ÆWðHž=Ã8骣"kœ'Y?³}Tûè€>?0l›e1Lòñ„aæKÆw…hÖŠùW…ÈÆÄ0ši·›[pcwËþñiêíY/~-Á5˜!¿†A›™Mÿþ(±“t@â“ö2­´TG5yé]çå僳 .·ÍïçÝ7UÚ±Ð/Nè»,_Ï ùdj7\ï Wì4›„»c¸àešg#ÒÊ⥭áØo5‘?ÌdÝô¯ ¹kzsƒ=´#ëÉK›Ø´±-¥eW?‡çßtòTã…$Ý+qÿ±ƒ÷_3Ô¥í÷:æ–ž<·Ö‡‰Å¢ š‡%Ô—utÌÈìðžgÖÀz²À—ï÷Óîäõ{K'´È÷³yaÏÁjƒô}ž§®æÊydÕÈë5¯èˆõvÕ©ã*çD„ “z„Ó‡^^xÂ3M§A´JG‚öï 3W'ˆ.OvXè¡ÊÕª?5º7†˜(˜Ç¶#çê’¶!ÌdZK§æ 0fãaN]òY³RV ™î$®K2R¨`W!1Ôó\;Ý ýB%qæK•&ÓÈe9È0êI±žeŸß -ú@žQr¦ ö4»M¼Áè¹µmw 9 EÆE_°2ó„ŸXKWÁ×Hóì^´²GѝF©óäR†¦‰ç"V»eØ<3ùd3ÿÚ¤Žú“Gi" —‘_ÙËÎ~Üö¯¥½Î»üŸEÚŽåmÞþí ;ÞólËΦMzA"Âf(´òá;Éï(/7½ûñÌ­cïÕçлþÝz¾-ÍvÑ“pH­–ðÓj$¸Äû¤‚‘ãUBË-n“2åPkS5&‹Â|+g^œ®Ì͆d!OïäîU«c;{Û!ÅŽ«ëZ9Ókóˆ]¯ƒ›né `ÇÒ+tÆš (ØKá¾—=3œ®•vuMñg²\ï Ec€ 05±d™‡×iÇ×›UúvÌ¢£Èþ¡ÕØô¶ßÎA"ß±#Ö²ˆÊŸ¦*Ä~ij|àø.-¼'»Ú¥£h ofº¦‡VsR=N½„Î v˜Z*SÌ{=jÑB‹tê…;’HžH¯8–îDù8ñ¢|Q•bÛçš–‹m³“ê¨ åÏ^m¬Žãþ©ïêO‡½6] µÆ„Ooòü ²x}N¦Ë3ïé¿»€›HA˜m%çÞ/¿í7Fø“‹léUk)É°Œµ8Q8›:ÀŠeT*šõ~ôڝG6 ¢}`ùH­–”¡k ‰P1>š†®9z11!X wKfmÁ¦xÑ,N1Q”–æB¶M…ÒÃv6SMˆhU¬ÊPŽï‘öj=·CŒ¯u¹ƒVIЃsx4’ömÛýc塶7ßŠß 57^\wÒÐÆ k§h,Œý î«q^R½3]J¸ÇðN ‚çU¬ôº^Áì} ³f©Õœ§ˆã:FÄÈ‚é(€™?àýÓüè1Gô£¼éj‚OÅñ  #>×—ßtà 0G¥Åa뀐kßhc™À_ÉñÞ#±)GD" YîäË-ÿÙ̪ ¹™a¯´¢E\ÝÒö‚;™„ë]_ p8‰o¡ñ+^÷ 3‘'dT4œŽ ðVë½° :¬víÑ«£tßÚS-3¶“þ2 †üüʨòrš¹M{É_¤`Û¨0ìjœøJ‡:÷ÃáZ˜†@GP&œÑDGÏs¡þ¦þDGú‘1Yá9Ôþ¼ ûø…§÷8&–ÜÑnÄ_m®^üÆ`;ÉVÁJ£?â€-ßê}suÍ2sõA NÌúA磸‘îÿÚ»ƒìö·á¿±tÑÐ"Tÿü˜[@/äj¬€uüªìù¥Ý˜á8Ý´sõj 8@rˆð äþZÇD®ÿUÏ2ùôõrBzÆÏÞž>Ì™xœ“ wiÎ×7_… ¸ \#€MɁV¶¥üÕÿPÔ9Z‡ø§É8#H:ƒ5ÀÝå9ÍIŒ5åKÙŠ÷qÄ>1AÈøžj"µÂд/ªnÀ qªã}"iŸBå˜ÓÛŽ¦…&ݧ;G@—³b¯“•"´4í¨ôM¨åñC‹ïùÉó¯ÓsSH2Ý@ßáM‡ˆKÀªÛUeø/4\gnm¥‹ŸŒ qÄ b9ÞwÒNÏ_4Ég³ú=܆‚´ •â¥õeíþkjz>éÚyU«Íӝ݃6"8/ø{=Ô¢»G¥ äUw°W«,ô—¿ãㆅү¢³xŠUû™yŒ (øSópÐ 9\åTâ»—*oG$/×ÍT†Y¿1¤Þ¢_‡ ¼ „±ÍçèSaÓ 3ÛMÁBkxs‰’R/¡¤ˆÙçª(*õ„üXÌ´ƒ E§´¬EF"Ù”R/ÐNyÆÂ^°?™6¡œïJ·±$§?º>ÖüœcNÌù¯G ‹ñ2ŠBB„^·úìaz¨k:#¨Æ¨8LÎõލ£^§S&cŒÐU€ü(‡F±Š¼&P>8ÙÁ ‰ p5?0ÊƃZl¸aô š¼¡}gÿ¶zÆC²¹¬ÎÖG*HB¡O<º2#ñŒAƒ–¡B˜´É$¥›É:FÀÔx¾u?XÜÏÓvN©RS{2ʈãk9rmP¼Qq̳ è¼ÐFׄ^¡Öì fE“F4A…!ì/…¦Lƒ… … $%´¾yã@CI¬ á—3PþBÏNÿ<ý°4Ü ËÃ#ØÍ~âW«rEñw‹eùMMHß²`¬Öó½íf³:‹k˜¯÷}Z!ã¿<¥,\#öµÀ¯aÒNÆIé,Ћ–lŽ#Àæ9ÀÒS·I’½-Ïp Äz¤Š Â* ­íÄ9­< h>׍3ZkËU¹§˜ŒŠ±f­’¤º³Q ÏB?‹#µíÃ¥®@(Gs«†vI¥Mµ‹Á©e~2ú³ÁP4ìÕi‚²Ê^ö@-DþÓàlÜOÍ]n"µã:žpsŽ¢:! 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Current File : /usr/share/phpmyadmin/libraries/classes/IpAllowDeny.php
<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
 * This library is used with the server IP allow/deny host authentication
 * feature
 *
 * @package PhpMyAdmin
 */
declare(strict_types=1);

namespace PhpMyAdmin;

use PhpMyAdmin\Core;

/**
 * PhpMyAdmin\IpAllowDeny class
 *
 * @package PhpMyAdmin
 */
class IpAllowDeny
{
    /**
     * Matches for IPv4 or IPv6 addresses
     *
     * @param string $testRange string of IP range to match
     * @param string $ipToTest  string of IP to test against range
     *
     * @return boolean    whether the IP mask matches
     *
     * @access  public
     */
    public function ipMaskTest($testRange, $ipToTest)
    {
        if (mb_strpos($testRange, ':') > -1
            || mb_strpos($ipToTest, ':') > -1
        ) {
            // assume IPv6
            $result = $this->ipv6MaskTest($testRange, $ipToTest);
        } else {
            $result = $this->ipv4MaskTest($testRange, $ipToTest);
        }

        return $result;
    }

    /**
     * Based on IP Pattern Matcher
     * Originally by J.Adams <jna@retina.net>
     * Found on <https://www.php.net/manual/en/function.ip2long.php>
     * Modified for phpMyAdmin
     *
     * Matches:
     * xxx.xxx.xxx.xxx        (exact)
     * xxx.xxx.xxx.[yyy-zzz]  (range)
     * xxx.xxx.xxx.xxx/nn     (CIDR)
     *
     * Does not match:
     * xxx.xxx.xxx.xx[yyy-zzz]  (range, partial octets not supported)
     *
     * @param string $testRange string of IP range to match
     * @param string $ipToTest  string of IP to test against range
     *
     * @return boolean    whether the IP mask matches
     *
     * @access  public
     */
    public function ipv4MaskTest($testRange, $ipToTest)
    {
        $result = true;
        $match = preg_match(
            '|([0-9]+)\.([0-9]+)\.([0-9]+)\.([0-9]+)/([0-9]+)|',
            $testRange,
            $regs
        );
        if ($match) {
            // performs a mask match
            $ipl    = ip2long($ipToTest);
            $rangel = ip2long(
                $regs[1] . '.' . $regs[2] . '.' . $regs[3] . '.' . $regs[4]
            );

            $maskl  = 0;

            for ($i = 0; $i < 31; $i++) {
                if ($i < $regs[5] - 1) {
                    $maskl += pow(2, 30 - $i);
                } // end if
            } // end for

            return ($maskl & $rangel) == ($maskl & $ipl);
        }

        // range based
        $maskocts = explode('.', $testRange);
        $ipocts   = explode('.', $ipToTest);

        // perform a range match
        for ($i = 0; $i < 4; $i++) {
            if (preg_match('|\[([0-9]+)\-([0-9]+)\]|', $maskocts[$i], $regs)) {
                if (($ipocts[$i] > $regs[2]) || ($ipocts[$i] < $regs[1])) {
                    $result = false;
                } // end if
            } else {
                if ($maskocts[$i] <> $ipocts[$i]) {
                    $result = false;
                } // end if
            } // end if/else
        } //end for

        return $result;
    }

    /**
     * IPv6 matcher
     * CIDR section taken from https://stackoverflow.com/a/10086404
     * Modified for phpMyAdmin
     *
     * Matches:
     * xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx
     * (exact)
     * xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:[yyyy-zzzz]
     * (range, only at end of IP - no subnets)
     * xxxx:xxxx:xxxx:xxxx/nn
     * (CIDR)
     *
     * Does not match:
     * xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xx[yyy-zzz]
     * (range, partial octets not supported)
     *
     * @param string $test_range string of IP range to match
     * @param string $ip_to_test string of IP to test against range
     *
     * @return boolean    whether the IP mask matches
     *
     * @access  public
     */
    public function ipv6MaskTest($test_range, $ip_to_test)
    {
        $result = true;

        // convert to lowercase for easier comparison
        $test_range = mb_strtolower($test_range);
        $ip_to_test = mb_strtolower($ip_to_test);

        $is_cidr = mb_strpos($test_range, '/') > -1;
        $is_range = mb_strpos($test_range, '[') > -1;
        $is_single = ! $is_cidr && ! $is_range;

        $ip_hex = bin2hex(inet_pton($ip_to_test));

        if ($is_single) {
            $range_hex = bin2hex(inet_pton($test_range));
            $result = hash_equals($ip_hex, $range_hex);
            return $result;
        }

        if ($is_range) {
            // what range do we operate on?
            $range_match = [];
            $match = preg_match(
                '/\[([0-9a-f]+)\-([0-9a-f]+)\]/',
                $test_range,
                $range_match
            );
            if ($match) {
                $range_start = $range_match[1];
                $range_end   = $range_match[2];

                // get the first and last allowed IPs
                $first_ip  = str_replace($range_match[0], $range_start, $test_range);
                $first_hex = bin2hex(inet_pton($first_ip));
                $last_ip   = str_replace($range_match[0], $range_end, $test_range);
                $last_hex  = bin2hex(inet_pton($last_ip));

                // check if the IP to test is within the range
                $result = ($ip_hex >= $first_hex && $ip_hex <= $last_hex);
            }
            return $result;
        }

        if ($is_cidr) {
            // Split in address and prefix length
            list($first_ip, $subnet) = explode('/', $test_range);

            // Parse the address into a binary string
            $first_bin = inet_pton($first_ip);
            $first_hex = bin2hex($first_bin);

            $flexbits = 128 - (int) $subnet;

            // Build the hexadecimal string of the last address
            $last_hex = $first_hex;

            $pos = 31;
            while ($flexbits > 0) {
                // Get the character at this position
                $orig = mb_substr($last_hex, $pos, 1);

                // Convert it to an integer
                $origval = hexdec($orig);

                // OR it with (2^flexbits)-1, with flexbits limited to 4 at a time
                $newval = $origval | (pow(2, min(4, $flexbits)) - 1);

                // Convert it back to a hexadecimal character
                $new = dechex($newval);

                // And put that character back in the string
                $last_hex = substr_replace($last_hex, $new, $pos, 1);

                // We processed one nibble, move to previous position
                $flexbits -= 4;
                --$pos;
            }

            // check if the IP to test is within the range
            $result = ($ip_hex >= $first_hex && $ip_hex <= $last_hex);
        }

        return $result;
    }

    /**
     * Runs through IP Allow rules the use of it below for more information
     *
     * @return bool Whether rule has matched
     *
     * @access  public
     *
     * @see     Core::getIp()
     */
    public function allow()
    {
        return $this->allowDeny("allow");
    }

    /**
     * Runs through IP Deny rules the use of it below for more information
     *
     * @return bool Whether rule has matched
     *
     * @access  public
     *
     * @see     Core::getIp()
     */
    public function deny()
    {
        return $this->allowDeny("deny");
    }

    /**
     * Runs through IP Allow/Deny rules the use of it below for more information
     *
     * @param string $type 'allow' | 'deny' type of rule to match
     *
     * @return bool   Whether rule has matched
     *
     * @access  public
     *
     * @see     Core::getIp()
     */
    private function allowDeny($type)
    {
        global $cfg;

        // Grabs true IP of the user and returns if it can't be found
        $remote_ip = Core::getIp();
        if (empty($remote_ip)) {
            return false;
        }

        // copy username
        $username  = $cfg['Server']['user'];

        // copy rule database
        if (isset($cfg['Server']['AllowDeny']['rules'])) {
            $rules     = $cfg['Server']['AllowDeny']['rules'];
            if (! is_array($rules)) {
                $rules = [];
            }
        } else {
            $rules = [];
        }

        // lookup table for some name shortcuts
        $shortcuts = [
            'all'       => '0.0.0.0/0',
            'localhost' => '127.0.0.1/8',
        ];

        // Provide some useful shortcuts if server gives us address:
        if (Core::getenv('SERVER_ADDR')) {
            $shortcuts['localnetA'] = Core::getenv('SERVER_ADDR') . '/8';
            $shortcuts['localnetB'] = Core::getenv('SERVER_ADDR') . '/16';
            $shortcuts['localnetC'] = Core::getenv('SERVER_ADDR') . '/24';
        }

        foreach ($rules as $rule) {
            // extract rule data
            $rule_data = explode(' ', $rule);

            // check for rule type
            if ($rule_data[0] != $type) {
                continue;
            }

            // check for username
            if (($rule_data[1] != '%') //wildcarded first
                && (! hash_equals($rule_data[1], $username))
            ) {
                continue;
            }

            // check if the config file has the full string with an extra
            // 'from' in it and if it does, just discard it
            if ($rule_data[2] == 'from') {
                $rule_data[2] = $rule_data[3];
            }

            // Handle shortcuts with above array
            if (isset($shortcuts[$rule_data[2]])) {
                $rule_data[2] = $shortcuts[$rule_data[2]];
            }

            // Add code for host lookups here
            // Excluded for the moment

            // Do the actual matching now
            if ($this->ipMaskTest($rule_data[2], $remote_ip)) {
                return true;
            }
        } // end while

        return false;
    }
}

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