diff options
Diffstat (limited to 'ldap-site-mngmt/webinterface/lib/rbs_management_functions.php')
| -rw-r--r-- | ldap-site-mngmt/webinterface/lib/rbs_management_functions.php | 591 |
1 files changed, 591 insertions, 0 deletions
diff --git a/ldap-site-mngmt/webinterface/lib/rbs_management_functions.php b/ldap-site-mngmt/webinterface/lib/rbs_management_functions.php new file mode 100644 index 00000000..6b1f42fd --- /dev/null +++ b/ldap-site-mngmt/webinterface/lib/rbs_management_functions.php @@ -0,0 +1,591 @@ +<?php + +/** +* rbs_management_functions.php - Remote Boot Services Management Funktions-Bibliothek +* Diese Bibliothek enthält alle Funktionen für die Verwaltung von RBS Diensten, +* PXE Konfigurationsdateien ihren Menüeinträgen und ihren Genersichen Bootmenüeinträgen +* +* @param string ldapError +* @param resource ds +* +* @author Tarik Gasmi +* @copyright Tarik Gasmi +*/ + + +# Konfiguration laden +require_once("config.inc.php"); + +$ldapError = null; + + +####################################################################### +# Funktionen zur Verwaltung von RBS Diensten +# + +# +# Neues RBS Dienst-Objekt anlegen +# +function add_rbs($rbsDN,$rbscn,$rbsoffer,$server,$atts){ + + global $ds, $suffix, $auDN, $ldapError; + + $rbsentry ['objectclass'][0] = "RBService"; + $rbsentry ['objectclass'][1] = "top"; + $rbsentry ['cn'] = $rbscn; + $rbsentry ['rbsofferdn'] = $rbsoffer; + if (count($atts) != 0){ + foreach (array_keys($atts) as $key){ + if ($atts[$key] != ""){ + $rbsentry[$key] = $atts[$key]; + } + } + } + if (count($server) != 0){ + if ($server['tftp'] != ""){$rbsentry ['tftpserverip'] = $server['tftp'];} + if ($server['nfs'] != ""){$rbsentry ['nfsserverip'] = $server['nfs'];} + if ($server['nbd'] != ""){$rbsentry ['nbdserverip'] = $server['nbd'];} + } + # print_r($rbsentry); echo "<br>"; + print_r($rbsDN); echo "<br>"; + + # Standard Fallback Menü anlegen + $pxecn = "PXE_Fallback-No-Config"; + $pxeDN = "cn=".$pxecn.",".$rbsDN; + $filename = array("fallback-nopxe"); + $ldapuri = LDAP_HOST."/dn=cn=computers,".$auDN; # wirklich nötig?? + $mecn = "Fallback-Text"; + $meDN = "cn=".$mecn.",".$pxeDN; + $meattribs = array("label" => "Keine PXE Boot-Konfiguration fuer die aktuelle Zeit definiert", + "kernel" => "menu.c32", + "submenulink" => "fallback-nopxe"); + + if (ldap_add($ds,$rbsDN,$rbsentry)){ + if (add_pxe($pxeDN,$pxecn,$rbsDN,"",array(),$filename,$ldapuri)){ + if (add_me($meDN,$mecn,"","01",$meattribs,$pxeDN)){ + return 1; + } + else{ + return 0; + } + } + else{ + return 0; + } + } + else{ + return 0; + } +} + +# +# "RBS-Angebote" im Verzeichnis suchen, die die AU ($auDN) nutzen darf, +# Suche nach passenden RBS-Offer-DNs +# +function get_rbsoffers($auDN){ + + global $ds, $suffix, $auDN, $ldapError; + + $attribs = array("dn","rbsofferdn"); + if(!($result = uniLdapSearch($ds, "ou=RIPM,".$suffix, "(objectclass=RBService)", $attribs, "dn", "sub", 0, 0))) { + # redirect(5, "", $ldapError, FALSE); + echo "no search"; + die; + } + else{ + $result = ldapArraySauber($result); + #print_r($result);echo "<br><br>"; + + $rbs_offers = array(); + foreach ($result as $rbs){ + #print_r(strpos($auDN, $rbs['rbsofferdn']));echo "<br>"; + if ( strpos($auDN, $rbs['rbsofferdn']) !== false ) + $rbs_offers [] = $rbs['dn']; + } + } + #print_r($rbs_offers);echo "<br><br>"; + return $rbs_offers; +} + + +# +# Beim Löschen von RBS-Objekten muss dafür gesorgt werden dass keine PXEs mehr auf +# diese zeigen, Ref. Abhängigkeiten +# +function clean_up_del_rbs($rbsDN){ + + global $ds, $suffix, $auDN, $ldapError; + + $attribs = array("dn"); + if(!($result = uniLdapSearch($ds, "ou=RIPM,".$suffix, "(&(objectclass=PXEConfig)(rbservicedn=$rbsDN))", $attribs, "dn", "sub", 0, 0))) { + # redirect(5, "", $ldapError, FALSE); + echo "no search"; + die; + } + $result = ldapArraySauber($result); + #print_r($result); echo "<br><br>"; + $delentry ['rbservicedn'] = $rbsDN; + foreach ($result as $item){ + #print_r($item['dn']); echo "<br>"; + ldap_mod_del($ds, $item['dn'], $delentry); + } + + if(!($result = uniLdapSearch($ds, "ou=RIPM,".$suffix, "(&(objectclass=Host)(hlprbservice=$rbsDN))", $attribs, "dn", "sub", 0, 0))) { + # redirect(5, "", $ldapError, FALSE); + echo "no search"; + die; + } + $result = ldapArraySauber($result); + #print_r($result); echo "<br><br>"; + $delentry2 ['hlprbservice'] = $rbsDN; + foreach ($result as $item){ + #print_r($item['dn']); echo "<br>"; + ldap_mod_del($ds, $item['dn'], $delentry2); + } + +} + +# +# beim ändern des CN (DN) des RBS muss dieses in allen referenzierenden PXEConfig-Objekten +# nachvollzogen werden, Ref. Abhängigkeiten +# +function adjust_rbs_dn($newrbsDN, $rbsDN){ + + global $ds, $suffix, $auDN, $ldapError; + + if(!($result = uniLdapSearch($ds, "ou=RIPM,".$suffix, "(&(objectclass=PXEConfig)(rbservicedn=$rbsDN))", array("dn"), "dn", "sub", 0, 0))) { + # redirect(5, "", $ldapError, FALSE); + echo "no search"; + die; + } + $result = ldapArraySauber($result); + $modentry ['rbservicedn'] = $newrbsDN; + foreach ($result as $item){ + ldap_mod_replace($ds, $item['dn'], $modentry); + } + + if(!($result = uniLdapSearch($ds, "ou=RIPM,".$suffix, "(&(objectclass=Host)(hlprbservice=$rbsDN))", array("dn"), "dn", "sub", 0, 0))) { + # redirect(5, "", $ldapError, FALSE); + echo "no search"; + die; + } + $result = ldapArraySauber($result); + $modentry2 ['hlprbservice'] = $newrbsDN; + foreach ($result as $item){ + ldap_mod_replace($ds, $item['dn'], $modentry2); + } +} + +function rbs_adjust_host($hostDN, $rbs){ + + global $ds, $suffix, $ldapError; + + $modentry ['rbservicedn'] = $rbs; + + $pxearray = get_pxeconfigs($hostDN,array("dn")); + if ( count($pxearray) != 0 ){ + foreach ( $pxearray as $item ){ + if ($result = ldap_mod_replace($ds,$item['dn'],$modentry)){ + return 1; + }else{ + return 0; + } + } + } +} + + +# +# Sucht den Hostname zu einer IP im Rechnerteilbaum der AU +# Verwaltung der am RBS beteiligten Server +# +function get_hostname_from_ip($ip,$auDN){ + + global $ds, $suffix, $ldapError; + + $ipp = array($ip,$ip); + $ipaddress = implode('_',$ipp); + + if(!($result = uniLdapSearch($ds, "cn=computers,".$auDN, "(&(objectclass=Host)(ipaddress=$ipaddress))", array("hostname"), "", "list", 0, 0))) { + # redirect(5, "", $ldapError, FALSE); + echo "no search"; + die; + } + elseif(count($result) == 0){echo "kein Rechner mit dieser IP"; return "";} + else{ + $result = ldapArraySauber($result); + #print_r($result); + $host ['hostname'] = $result[0]['hostname']; + $host ['dn'] = $result[0]['dn']; + return $host; + } +} + + +############################################################################### +# Funktionen zur Verwaltung von PXE Bootmenüs + +# +# Überprüft, ob sich die angegebene Timerange auf einer der 4 Spezifikationsstufen mit anderen +# Timeranges des Objkets überschneidet +# +function check_timerange_pxe($pxeday,$pxebeg,$pxeend,$nodeDN,$excepttimerange){ + + global $ds, $suffix, $auDN, $ldapError; + + $brothers = get_pxeconfigs($nodeDN,array("timerange")); + # keine Überschneidungen pro Spez.Ebene zulassen + # print_r($brothers); echo "<br><br>"; + if (count($brothers) != 0){ + + $intersect = 0; + foreach ($brothers as $item){ + + # Fall das Brother mehrere TimeRanges hat + if (count($item['timerange']) > 1){ + foreach ($item['timerange'] as $tr){ + + if($tr != $excepttimerange){ + $exptime = explode('_',$tr); + $bpxeday = $exptime[0]; + $bpxebeg = $exptime[1]; + $bpxeend = $exptime[2]; + #echo "pxeday:"; print_r($pxeday); echo "<br>"; + #echo "bpxeday:"; print_r($bpxeday); echo "<br>"; + #echo "pxebeg:"; print_r($pxebeg); echo "<br>"; + #echo "bpxebeg:"; print_r($bpxebeg); echo "<br>"; + #echo "pxeend:"; print_r($pxeend); echo "<br>"; + #echo "bpxeend:"; print_r($bpxeend); echo "<br>"; + + if ($pxeday == $bpxeday){ + if ( $pxebeg > $bpxeend || $pxeend < $bpxebeg ){ + # keine Überschneidung in der Uhrzeit + }else{ + # Uhrzeit Überschneidung + $intersect = 1; + $intersecttr = $bpxeday."_".$bpxebeg."_".$bpxeend; + break; + } + } + } + + } + } + # Fall das Brother nur eine TimeRange hat + elseif (count($item['timerange']) == 1){ + + if($item['timerange'] != $excepttimerange){ + $exptime = explode('_',$item['timerange']); + $bpxeday = $exptime[0]; + $bpxebeg = $exptime[1]; + $bpxeend = $exptime[2]; + #echo "pxeday:"; print_r($pxeday); echo "<br>"; + #echo "bpxeday:"; print_r($bpxeday); echo "<br>"; + #echo "pxebeg:"; print_r($pxebeg); echo "<br>"; + #echo "bpxebeg:"; print_r($bpxebeg); echo "<br>"; + #echo "pxeend:"; print_r($pxeend); echo "<br>"; + #echo "bmcend:"; print_r($bpxeend); echo "<br>"; + + if ($pxeday == $bpxeday){ + if ( $pxebeg > $bpxeend || $pxeend < $bpxebeg ){ + # keine Überschneidung in der Uhrzeit + }else{ + # Uhrzeit Überschneidung + $intersect = 1; + $intersecttr = $bpxeday."_".$bpxebeg."_".$bpxeend; + break; + } + } + } + } + } + #echo "intersect: "; print_r($intersect); echo "<br>"; + if ($intersect == 1){ + echo "<b>[".$pxeday."_".$pxebeg."_".$pxeend."]</b> überschneidet sich mit der + bereits existierende <b>Time Range [".$intersecttr."]</b> !<br><br>"; + return 0; + }else{ + return 1; + } + }else{ + return 1; + } +} + + +# +# Neues PXE Bootmenü anlegen +# +function add_pxe($pxeDN,$pxecn,$rbsDN,$pxetimerange,$pxeattribs,$filenames,$conffile){ + + global $ds, $suffix, $auDN, $ldapError; + + $pxeentry ['objectclass'][0] = "PXEConfig"; + $pxeentry ['objectclass'][1] = "top"; + $pxeentry ['cn'] = $pxecn; + $pxeentry ['rbservicedn'] = $rbsDN; + #$pxeentry ['ldapuri'] = $ldapuri; + if ($conffile != ""){$pxeentry ['fileuri'] = $conffile;} + if (count($filenames) > 1 ){ + for ($i=0; $i<count($filenames); $i++){ + $pxeentry ['filename'][$i] = $filenames[$i]; + } + } + if (count($filenames) == 1){ + $pxeentry ['filename'] = $filenames[0]; + } + if ($pxetimerange != ""){$pxeentry ['timerange'] = $pxetimerange;} + if (count($pxeattribs) != 0){ + foreach (array_keys($pxeattribs) as $key){ + if ($pxeattribs[$key] != ""){ + $pxeentry[$key] = $pxeattribs[$key]; + } + } + } + #print_r($pxeentry); echo "<br>"; + print_r($pxeDN); echo "<br>"; + if (ldap_add($ds,$pxeDN,$pxeentry)){ + return 1; + } + else{ + return 0; + } +} + + +# +# PXE CN (DN) ändern, Teilbaum verschieben +# +function modify_pxe_dn($pxeDN, $newpxeDN){ + + global $ds, $suffix, $ldapError; + + if (move_subtree($pxeDN,$newpxeDN)){ + return 1; + }else{ + return 0; + } +} + + +# +# Timerange eines PXEConfig-Objekts ändern +# +function change_pxe_timerange($pxeDN,$newpxeDN,$pxetimerange){ + + global $ds, $suffix, $auDN, $ldapError; + + # move tree + if (move_subtree($pxeDN,$newpxeDN)){ + # timerange ändern + $entrypxe ['timerange'] = $pxetimerange; + if (ldap_mod_replace($ds,$newpxeDN,$entrypxe)){ + return 1; + } + else{ + return 0; + } + } + else{ + return 0; + } +} + +# +# nach dem Löschen von PXEConfig Menueinträgen müssen Menüpositionen in der PXEConfig +# angepasst werden (Lücken schließen) +# +function cleanup_menupositions($pxeDN){ + + global $ds, $suffix, $auDN, $ldapError; + + $me = get_menuentries($pxeDN,array("dn","menuposition")); + if (count($me) != 0){ + foreach ($me as $item){ + $pos = $item['menuposition']; + $pos = preg_replace ( '/0([0-9])/', '$1', $pos); + $menpos[$pos] = $item['dn']; + ksort($menpos); + } + $p = 1; + foreach ($menpos as $item){ + if (strlen($p) == 1){ + $p = "0".$p; + } + $entry ['menuposition'] = $p; + ldap_mod_replace($ds,$item,$entry); + $p++; + } + } +} + +# +# Hilfsfunktion zur Verarbeitung von Menüpositionen in PXEConfigs +# +function increment_menupositions($pxeDN,$menpos){ + + global $ds, $suffix, $auDN, $ldapError; + + if (strlen($menpos) == 1){ + $menpos = "0".$menpos; + } + $meDN = get_dn_menuposition($pxeDN,$menpos); + if ($meDN != ""){ + # zur Berechnung erst führende Nullen weg + $menpos = preg_replace ( '/0([0-9])/', '$1', $menpos); + $newpos = $menpos+1; + increment_menupositions($pxeDN,$newpos); + # zum Eintragen führenden Nullen wieder dazu + if (strlen($newpos) == 1){ + $newpos = "0".$newpos; + } + $entry ['menuposition'] = $newpos; + ldap_mod_replace($ds,$meDN,$entry); + } +} + +# +# Neuen Menüeintrag anlegen +# +function add_me($meDN,$mecn,$gbmDN,$menpos,$meattribs,$pxeDN){ + + global $ds, $suffix, $auDN, $ldapError; + + $mentry ['objectclass'][0] = "MenuEntry"; + $mentry ['objectclass'][1] = "top"; + $mentry ['cn'] = $mecn; + if($gbmDN != ""){$mentry ['genericmenuentrydn'] = $gbmDN;} + $mentry ['menuposition'] = $menpos; + if (count($meattribs) != 0){ + foreach (array_keys($meattribs) as $key){ + if ($meattribs[$key] != ""){ + $mentry[$key] = $meattribs[$key]; + } + } + } + print_r($mentry); echo "<br>"; + print_r($meDN); echo "<br>"; + increment_menupositions($pxeDN,$menpos); # andere jeweils um 1 erhöhen + if (ldap_add($ds,$meDN,$mentry)){ + return 1; + } + else{ + return 0; + } +} + + +# +# Menu Entry CN (DN) ändern +# +function modify_me_dn($meDN, $newmeDN){ + + global $ds, $suffix, $ldapError; + + if (move_subtree($meDN,$newmeDN)){ + return 1; + }else{ + return 0; + } +} + + + +##################################################################### +# Verwaltung von GBM +# + +function add_gbm($gbmDN,$gbmcn,$attribs){ + + global $ds, $suffix, $auDN, $ldapError; + + $entry ['objectclass'][0] = "MenuEntry"; + $entry ['objectclass'][1] = "top"; + $entry ['cn'] = $gbmcn; + if (count($attribs) != 0){ + foreach (array_keys($attribs) as $key){ + if ($attribs[$key] != ""){ + $entry[$key] = $attribs[$key]; + } + } + } + print_r($entry); echo "<br>"; + print_r($gbmDN); echo "<br>"; + if (ldap_add($ds,$gbmDN,$entry)){ + return 1; + } + else{ + return 0; + } +} + + +# +# beim löschen von GBMs muss dafür gesorgt werden, dass keine MEs mehr auf diese zeigen, +# Ref.Abhängigkeiten (sonst gibts Fehler beim PXE-Perlskript und die Nutzer wissen nicht dass ihr PXE Menü nicht +# mehr funktioniert, so kann man durch Fehlen des gbmDN wissen das es kein GBM mehr zu diesem ME gibt +# +function clean_up_del_gbm($gbmDN){ + + global $ds, $suffix, $auDN, $ldapError; + + $attribs = array("dn","genericmenuentrydn"); + if(!($result = uniLdapSearch($ds, "ou=RIPM,".$suffix, "(&(objectclass=MenuEntry)(genericmenuentrydn=$gbmDN))", $attribs, "dn", "sub", 0, 0))) { + # redirect(5, "", $ldapError, FALSE); + echo "no search"; + die; + } + $result = ldapArraySauber($result); + #print_r($result); echo "<br><br>"; + $delentry ['genericmenuentrydn'] = $gbmDN; + foreach ($result as $item){ + #print_r($item['dn']); echo "<br>"; + ldap_mod_del($ds, $item['dn'], $delentry); + } + +} + + +# +# beim ändern des CN (DN) des GBM, Meüeinträge anpassen, Ref. Abhängigkeiten +# +function adjust_gbm_dn($newgbmDN, $gbmDN){ + + global $ds, $suffix, $auDN, $ldapError; + + if(!($result = uniLdapSearch($ds, "ou=RIPM,".$suffix, "(&(objectclass=MenuEntry)(genericmenuentrydn=$gbmDN))", array("dn"), "dn", "sub", 0, 0))) { + # redirect(5, "", $ldapError, FALSE); + echo "no search"; + die; + } + $result = ldapArraySauber($result); + $modentry ['genericmenuentrydn'] = $newgbmDN; + foreach ($result as $item){ + ldap_mod_replace($ds, $item['dn'], $modentry); + } +} + + + +function alternative_rbservices($rbsDN){ + + global $ds, $suffix, $auDN, $ldapError; + + $alt_rbs = array(); + + $rbsarray = get_rbsoffers($auDN); + # print_r($rbsarray); echo "<br>"; + if (count($rbsarray) != 0){ + for ($i=0; $i < count($rbsarray); $i++){ + if ($rbsarray[$i] != $rbsDN){ + $exp = ldap_explode_dn ( $rbsarray[$i], 1 ); + $alt = array ("dn" => $rbsarray[$i], "cn" => $exp[0], "au" => " / ".$exp[2]); + $alt_rbs[] = $alt; + } + } + } + + return $alt_rbs; +} + +?>
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