| ". "$string | ".
" |
\n"; } return ($ret); } else { return ($value); } } function get_printer_list($cups_server) { global $config; $res= array(); /* Use CUPS, if we've access to it */ if (function_exists('cups_get_dest_list')){ $dest_list= cups_get_dest_list ($cups_server); foreach ($dest_list as $prt){ $attr= cups_get_printer_attributes ($cups_server, $prt->name); foreach ($attr as $prt_info){ if ($prt_info->name == "printer-info"){ $info= $prt_info->value; break; } } $res[$prt->name]= "$info [$prt->name]"; } /* CUPS is not available, try lpstat as a replacement */ } else { $ar = false; exec("lpstat -p", $ar); foreach($ar as $val){ list($dummy, $printer, $rest)= split(' ', $val, 3); if (preg_match('/^[^@]+$/', $printer)){ $res[$printer]= "$printer"; } } } /* Merge in printers from LDAP */ $ldap= $config->get_ldap_link(); $ldap->cd ($config->current['BASE']); $ldap->search('(objectClass=gotoPrinter)', array('cn')); while ($attrs= $ldap->fetch()){ $res[$attrs["cn"][0]]= $attrs["cn"][0]; } return $res; } function sess_del ($var) { /* New style */ unset ($_SESSION[$var]); /* ... work around, since the first one doesn't seem to work all the time */ session_unregister ($var); } function show_errors($message) { $complete= ""; /* Assemble the message array to a plain string */ foreach ($message as $error){ if ($complete == ""){ $complete= $error; } else { $complete= "$error
$complete"; } } /* Fill ERROR variable with nice error dialog */ print_red($complete); } function show_ldap_error($message) { if (!preg_match("/Success/i", $message)){ print_red (_("LDAP error:")." $message"); return TRUE; } else { return FALSE; } } function rewrite($s) { global $REWRITE; foreach ($REWRITE as $key => $val){ $s= preg_replace("/$key/", "$val", $s); } return ($s); } function dn2base($dn) { global $config; if (get_people_ou() != ""){ $dn= preg_replace('/,'.get_people_ou().'/' , ',', $dn); } if (get_groups_ou() != ""){ $dn= preg_replace('/,'.get_groups_ou().'/' , ',', $dn); } $base= preg_replace ('/^[^,]+,/i', '', $dn); return ($base); } function check_command($cmdline) { $cmd= preg_replace("/ .*$/", "", $cmdline); /* Check if command exists in filesystem */ if (!file_exists($cmd)){ return (FALSE); } /* Check if command is executable */ if (!is_executable($cmd)){ return (FALSE); } return (TRUE); } function print_header($image, $headline, $info= "") { $display= "
\n";
$display.= " ![\"*\"](\"$image\")
$headline\n";
$display.= "
\n";
if ($info != ""){
$display.= "\n";
$display.= "$info";
$display.= "
\n";
} else {
$display.= "\n";
$display.= " ";
$display.= "
\n";
}
return ($display);
}
function register_global($name, $object)
{
$_SESSION[$name]= $object;
}
function is_global($name)
{
return isset($_SESSION[$name]);
}
function get_global($name)
{
return $_SESSION[$name];
}
function range_selector($dcnt,$start,$range=25)
{
/* Entries shown left and right from the selected entry */
$max_entries= 10;
/* Initialize and take care that max_entries is even */
$output="";
if ($max_entries & 1){
$max_entries++;
}
/* Prevent output to start or end out of range */
if ($start < 0 ){
$start= 0 ;
}
if ($start >= $dcnt){
$start= $range * (int)(($dcnt / $range) + 0.5);
}
$numpages= (($dcnt / $range));
if(((int)($numpages))!=($numpages))
$numpages = (int)$numpages + 1;
$ppage= (int)(($start / $range) + 0.5);
/* Align selected page to +/- max_entries/2 */
$begin= $ppage - $max_entries/2;
$end= $ppage + $max_entries/2;
/* Adjust begin/end, so that the selected value is somewhere in
the middle and the size is max_entries if possible */
if ($begin < 0){
$end-= $begin + 1;
$begin= 0;
}
if ($end > $numpages) {
$end= $numpages;
}
if (($end - $begin) < $max_entries && ($end - $max_entries) > 0){
$begin= $end - $max_entries;
}
/* Draw decrement */
if ($start > 0 ) {
$output.=" ".
"![\"\"](\"images/back.png\")
";
}
/* Draw pages */
for ($i= $begin; $i < $end; $i++) {
if ($ppage == $i){
$output.= " ".($i+1)." ";
} else {
$output.= " ".($i+1)." ";
}
}
/* Draw increment */
if($start < ($dcnt-$range)) {
$output.=" ".
"![\"\"](\"images/forward.png\")
";
}
return($output);
}
function apply_filter()
{
$apply= "";
$apply= ''.
'| '. ' |
'; return ($string); } function normalize_netmask($netmask) { /* Check for notation of netmask */ if (!preg_match('/^([0-9]+\.){3}[0-9]+$/', $netmask)){ $num= (int)($netmask); $netmask= ""; for ($byte= 0; $byte<4; $byte++){ $result=0; for ($i= 7; $i>=0; $i--){ if ($num-- > 0){ $result+= pow(2,$i); } } $netmask.= $result."."; } return (preg_replace('/\.$/', '', $netmask)); } return ($netmask); } function netmask_to_bits($netmask) { list($nm0, $nm1, $nm2, $nm3)= split('\.', $netmask); $res= 0; for ($n= 0; $n<4; $n++){ $start= 255; $name= "nm$n"; for ($i= 0; $i<8; $i++){ if ($start == (int)($$name)){ $res+= 8 - $i; break; } $start-= pow(2,$i); } } return ($res); } function recurse($rule, $variables) { $result= array(); if (!count($variables)){ return array($rule); } reset($variables); $key= key($variables); $val= current($variables); unset ($variables[$key]); foreach($val as $possibility){ $nrule= preg_replace("/\{$key\}/", $possibility, $rule); $result= array_merge($result, recurse($nrule, $variables)); } return ($result); } function expand_id($rule, $attributes) { /* Check for id rule */ if(preg_match('/^id(:|#)\d+$/',$rule)){ return (array("\{$rule}")); } /* Check for clean attribute */ if (preg_match('/^%[a-zA-Z0-9]+$/', $rule)){ $rule= preg_replace('/^%/', '', $rule); $val= rewrite(preg_replace('/ /', '', strtolower($attributes[$rule]))); return (array($val)); } /* Check for attribute with parameters */ if (preg_match('/^%[a-zA-Z0-9]+\[[0-9-]+\]$/', $rule)){ $param= preg_replace('/^[^[]+\[([^]]+)]$/', '\\1', $rule); $part= preg_replace('/^%/', '', preg_replace('/\[.*$/', '', $rule)); $val= rewrite(preg_replace('/ /', '', strtolower($attributes[$part]))); $start= preg_replace ('/-.*$/', '', $param); $stop = preg_replace ('/^[^-]+-/', '', $param); /* Assemble results */ $result= array(); for ($i= $start; $i<= $stop; $i++){ $result[]= substr($val, 0, $i); } return ($result); } echo "Error in idgen string: don't know how to handle rule $rule.\n"; return (array($rule)); } function gen_uids($rule, $attributes) { global $config; /* Search for keys and fill the variables array with all possible values for that key. */ $part= ""; $trigger= false; $stripped= ""; $variables= array(); for ($pos= 0; $pos < strlen($rule); $pos++){ if ($rule[$pos] == "{" ){ $trigger= true; $part= ""; continue; } if ($rule[$pos] == "}" ){ $variables[$pos]= expand_id($part, $attributes); $stripped.= "\{$pos}"; $trigger= false; continue; } if ($trigger){ $part.= $rule[$pos]; } else { $stripped.= $rule[$pos]; } } /* Recurse through all possible combinations */ $proposed= recurse($stripped, $variables); /* Get list of used ID's */ $used= array(); $ldap= $config->get_ldap_link(); $ldap->cd($config->current['BASE']); $ldap->search('(uid=*)'); while($attrs= $ldap->fetch()){ $used[]= $attrs['uid'][0]; } /* Remove used uids and watch out for id tags */ $ret= array(); foreach($proposed as $uid){ /* Check for id tag and modify uid if needed */ if(preg_match('/\{id:\d+}/',$uid)){ $size= preg_replace('/^.*{id:(\d+)}.*$/', '\\1', $uid); for ($i= 0; $i < pow(10,$size); $i++){ $number= sprintf("%0".$size."d", $i); $res= preg_replace('/{id:(\d+)}/', $number, $uid); if (!in_array($res, $used)){ $uid= $res; break; } } } if(preg_match('/\{id#\d+}/',$uid)){ $size= preg_replace('/^.*{id#(\d+)}.*$/', '\\1', $uid); while (true){ mt_srand((double) microtime()*1000000); $number= sprintf("%0".$size."d", mt_rand(0, pow(10, $size)-1)); $res= preg_replace('/{id#(\d+)}/', $number, $uid); if (!in_array($res, $used)){ $uid= $res; break; } } } /* Don't assign used ones */ if (!in_array($uid, $used)){ $ret[]= $uid; } } return(array_unique($ret)); } function array_search_r($needle, $key, $haystack){ foreach($haystack as $index => $value){ $match= 0; if (is_array($value)){ $match= array_search_r($needle, $key, $value); } if ($index==$key && !is_array($value) && preg_match("/$needle/i", $value)){ $match=1; } if ($match){ return 1; } } return 0; } /* Sadly values like memory_limit are perpended by K, M, G, etc. Need to convert... */ function to_byte($value) { $value= strtolower(trim($value)); if(!is_numeric(substr($value, -1))) { switch(substr($value, -1)) { case 'g': $mult= 1073741824; break; case 'm': $mult= 1048576; break; case 'k': $mult= 1024; break; } return ($mult * (int)substr($value, 0, -1)); } else { return $value; } } function in_array_ics($value, $items) { if (!is_array($items)){ return (FALSE); } foreach ($items as $item){ if (strtolower($item) == strtolower($value)) { return (TRUE); } } return (FALSE); } function generate_alphabet($count= 10) { $characters= _("*ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"); $alphabet= ""; $c= 0; /* Fill cells with charaters */ for ($i= 0; $i
";
if(($height >10)&&($showvalue)){
$str.= "
".$percentage."%
";
}
$str.= "