diff options
Diffstat (limited to 'ldap-site-mngmt/webinterface/syntax_check.php')
| -rw-r--r-- | ldap-site-mngmt/webinterface/syntax_check.php | 268 |
1 files changed, 268 insertions, 0 deletions
diff --git a/ldap-site-mngmt/webinterface/syntax_check.php b/ldap-site-mngmt/webinterface/syntax_check.php new file mode 100644 index 00000000..4784d6d3 --- /dev/null +++ b/ldap-site-mngmt/webinterface/syntax_check.php @@ -0,0 +1,268 @@ +<?php +/* + Syntaxcheck 1.2 2006/08/08 + + A class for checking syntax of forms data + Copyright (c) Tarik Gasmi, All Rights Reserved +*/ + + +class Syntaxcheck +{ + + var $ERROR = ""; + var $CLEAR = false; + + function Syntaxcheck () + { + return; + } + + function clear_error () + { + $this->ERROR = ""; + } + + + + + +# Ist "dotted quad IPAddress" in gueltigem Bereich? true or false +# Ueberprueft Format, fuehrende Nullen, und Werte > 255 +# +# Ueberprueft nicht nach reservierten oder nicht-route-baren IPs. +# +function check_ip_syntax($IP) +{ + if($this->CLEAR) { $this->clear_error();} + + $len = strlen($IP); + if( $len > 15 ){ + $this->ERROR = "check_ip_syntax: too long [$IP][$len]"; + return false; + } + + $badcharacter = eregi_replace("([0-9\.]+)","",$IP); + if(!empty($badcharacter)){ + $this->ERROR = "check_ip_syntax: Bad data in IP address [$badcharacter]"; + return false; + } + + $chunks = explode(".",$IP); + $count = count($chunks); + if ($count != 4){ + $this->ERROR = "check_ip_syntax: not a dotted quad [$IP]"; + return false; + } + + while ( list ($key,$val) = each ($chunks) ){ + if(ereg("^0",$val) && strlen($val) != 1){ + $this->ERROR = "check_ip_syntax: Invalid IP segment [$val]"; + return false; + } + $Num = $val; + settype($Num,"integer"); + if($Num > 255){ + $this->ERROR = "check_ip_syntax: Segment out of range [$Num]"; + return false; + } + } + + return true; + +} + +# Netzwerkaddresse +function check_netip_syntax($IP) +{ + if($this->CLEAR) { $this->clear_error();} + + if ( !($this->check_ip_syntax($IP)) ){ + return false; + } + $chunks = explode(".",$IP); + if ( $chunks[3] != "0" ){ + return false; + } + return true; +} + +# MAC Adresse + +# Domainname + +# Hostname +function is_hostname ($hostname = ""){ + + if($this->CLEAR) { $this->clear_error(); } + + $web = false; + + if(empty($hostname)) + { + $this->ERROR = "is_hostname: No hostname submitted"; + return false; + } + + // Only a-z, 0-9, and "-" or "." are permitted in a hostname + + // Patch for POSIX regex lib by Sascha Schumann sas@schell.de + $Bad = eregi_replace("[-A-Z0-9\.]","",$hostname); + + if(!empty($Bad)) + { + $this->ERROR = "is_hostname: invalid chars [$Bad]"; + return false; + } + + // See if we're doing www.hostname.tld or hostname.tld + if(eregi("^www\.",$hostname)) + { + $web = true; + } + + // double "." is a not permitted + if(ereg("\.\.",$hostname)) + { + $this->ERROR = "is_hostname: Double dot in [$hostname]"; + return false; + } + if(ereg("^\.",$hostname)) + { + $this->ERROR = "is_hostname: leading dot in [$hostname]"; + return false; + } + + $chunks = explode(".",$hostname); + + if( (gettype($chunks)) != "array") + { + $this->ERROR = "is_hostname: Invalid hostname, no dot seperator [$hostname]"; + return false; + } + + $count = ( (count($chunks)) - 1); + + if($count < 1) + { + $this->ERROR = "is_hostname: Invalid hostname [$count] [$hostname]\n"; + return false; + } + + // Bug that can't be killed without doing an is_host, + // something.something will return TRUE, even if it's something + // stupid like NS.SOMETHING (with no tld), because SOMETHING is + // construed to BE the tld. The is_bigfour and is_country + // checks should help eliminate this inconsistancy. To really + // be sure you've got a valid hostname, do an is_host() on it. + + if( ($web) and ($count < 2) ) + { + $this->ERROR = "is_hostname: Invalid hostname [$count] [$hostname]\n"; + return false; + } + + $tld = $chunks[$count]; + + if(empty($tld)) + { + $this->ERROR = "is_hostname: No TLD found in [$hostname]"; + return false; + } + + if(!$this->is_bigfour($tld)) + { + if(!$this->is_country($tld)) + { + $this->ERROR = "is_hostname: Unrecognized TLD [$tld]"; + return false; + } + } + + + return true; +} + + +# Syntax Check für die Eingaben: Uhrzeit, Wochentag, Monatstag, Monatstag.Monat +function check_timerange_syntax($mcday,$mcbeg,$mcend){ + + if($this->CLEAR) { $this->clear_error();} + + $badcharacter = eregi_replace("([a-z0-9\.]+)","",$mcday); + if(!empty($badcharacter)){ + $this->ERROR = "check_ip_syntax: Bad data in MC Day [$badcharacter]"; + return false; + } + $badcharacter = eregi_replace("([x0-9]+)","",$mcbeg); + if(!empty($badcharacter)){ + $this->ERROR = "check_ip_syntax: Bad data in MC Begin [$badcharacter]"; + return false; + } + $badcharacter = eregi_replace("([x0-9]+)","",$mcend); + if(!empty($badcharacter)){ + $this->ERROR = "check_ip_syntax: Bad data in MC End [$badcharacter]"; + return false; + } + + $lenmcday = strlen($mcday); + if (eregi("([a-z]+)",$mcday)){ + if ($lenmcday > 2){$this->ERROR = "WOTAG > 2"; return false;} + if (eregi("([0-9\.]+)",$mcday)){$this->ERROR = "WOTAG enthaelt (0-9.)"; return false;} + #if (!(eregi("[mdsfx][aiorx]",$mcday))){return false;} + if (!(eregi("(m[io]|d[io]|s[ao]|fr|x)",$mcday))){$this->ERROR = "WOTAG falscher String"; return false;} + } + if (eregi("([0-9]+)",$mcday)){ + if (eregi("[\.]",$mcday)){ + preg_match("/[\.]/",$mcday,$treffer); + if (count($treffer) > 1){$this->ERROR = "mehr als 2 Punkte"; return false;}; + $exp = explode('.',$mcday); + $day = $exp[0]; + $lenday = strlen($day); + if ($lenday > 2){$this->ERROR = "TAG > 2"; return false;} + if (!(eregi("(0[1-9]|[0-2][0-9]|3[01])",$day))){$this->ERROR = "TAG nicht korrekt"; return false;} + $month = $exp[1]; + $lenmonth = strlen($month); + if ($lenmonth > 2){$this->ERROR = "MONAT > 2"; return false;} + if (!(eregi("(0[0-9]|0[0-9]|1[0-2])",$month))){$this->ERROR = "Monat nicht korrekt"; return false;} + + } + else{ + if ($lenmcday > 2){$this->ERROR = "TAG > 2"; return false;} + if (!(eregi("(0[0-9]|[0-2][0-9]|3[01])",$mcday))){$this->ERROR = "Tag nicht korrekt"; return false;} + } + } + + $lenmcbeg = strlen($mcbeg); + if ($lenmcbeg == 2){ + if (!(eregi("(0[0-9]|1[0-9]|2[0-3]|x)",$mcbeg))){$this->ERROR = "Uhrzeit nicht korrekt"; return false;} + } + if ($lenmcbeg == 1){ + if (!(eregi("([0-9]|x)",$mcbeg))){$this->ERROR = "Uhrzeit nicht korrekt"; return false;} + } + $lenmcend = strlen($mcend); + if ($lenmcend == 2){ + if (!(eregi("(0[0-9]|1[0-9]|2[0-3]|x)",$mcend))){$this->ERROR = "Uhrzeit nicht korrekt"; return false;} + } + if ($lenmcend == 1){ + if (!(eregi("([0-9]|x)",$mcend))){$this->ERROR = "Uhrzeit nicht korrekt"; return false;} + } + + return true; +} + + +# Überprüft ob Menuposition ein Zahl ist +function check_menuposition($menpos){ + + if($this->CLEAR) { $this->clear_error();} + + $badcharacter = eregi_replace("([0-9]+)","",$menpos); + if(!empty($badcharacter)){ + $this->ERROR = "check_menupostion: Bad data in Menu Position [$badcharacter]"; + return false; + } +} + +} +?>
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