plugins/admin/systems/class_servDHCP.inc

   1 <?php
   2
   3 class servdhcp extends plugin
   4 {
   5   /* attribute list for save action */
   6   var $ignore_account= TRUE;
   7   var $attributes= array();
   8   var $objectclasses= array();
   9
  10   /* Section storage */
  11   var $dhcpSections= array();
  12   var $dhcpObjectCache= array();
  13   var $current_object= "";
  14   var $types= array();
  15   var $serviceDN= "";
  16
  17   function servdhcp ($config, $dn= NULL, $parent= NULL)
  18   {
  19     plugin::plugin ($config, $dn, $parent);
  20
  21     $this->types= array(  "dhcpLog" => _("Logging"),
  22             "dhcpService" => _("Global options"),
  23             "dhcpClass" => _("Class"),
  24             "dhcpSubClass" => _("Subclass"),
  25             "dhcpLeases" => _("Lease"),
  26             "dhcpHost" => _("Host"),
  27             "dhcpGroup" => _("Group"),
  28             "dhcpPool" => _("Pool"),
  29             "dhcpSubnet" => _("Subnet"),
  30             "dhcpFailOverPeer" => _("Failover peer"),
  31             "dhcpSharedNetwork" => _("Shared network"));
  32
  33     /* Load information about available services */
  34     $this->reload();
  35   }
  36
  37
  38   function execute()
  39   {
  40     /* Call parent execute */
  41     plugin::execute();
  42
  43     /* Fill templating stuff */
  44     $smarty= get_smarty();
  45     $display= "";
  46
  47     /* Section Creation? */
  48     if (isset($_POST['create_section']) && isset($_POST['section'])){
  49       $section= $_POST['section'];
  50       if (isset(dhcpNewSectionDialog::$sectionMap[$section])){
  51         $this->dialog= new $section($this->current_object);
  52         $this->current_object= "";
  53       } else {
  54         $this->dialog= NULL;
  55       }
  56     }
  57
  58     /* Cancel section creation? */
  59     if (isset($_POST['cancel_section']) || isset($_POST['cancel_dhcp'])){
  60       $this->dialog= NULL;
  61     }
  62
  63     /* Save changes */
  64     if (isset($_POST['save_dhcp'])){
  65       $this->dialog->save_object();
  66       $messages= $this->dialog->check($this->dhcpObjectCache);
  67       if (count($messages)){
  68         show_errors($messages);
  69       } else {
  70         $dn= $this->dialog->dn;
  71         $class= get_class($this->dialog);
  72         $type= $this->types[$class];
  73         $indent= substr_count(preg_replace("/".$this->serviceDN."/", '', $dn), ",");
  74         $spaces= "";
  75         for ($i= 0; $i<$indent; $i++){
  76           $spaces.= "&nbsp;&nbsp;&nbsp;&nbsp;";
  77         }
  78         $data= $this->dialog->save();
  79         if ($this->current_object == ""){
  80           /* New object */
  81           $this->dhcpObjectCache[$data['dn']]= $data;
  82           $spaces.= "&nbsp;&nbsp;&nbsp;&nbsp;";
  83           $this->dhcpSections[$data['dn']]= "$spaces$type '".preg_replace('/^[^=]+=([^,]+),.*$/', '\1', $data['dn'])."'";
  84         } else {
  85           if ($dn != $data['dn']){
  86             /* Old object, new name */
  87             $this->dhcpObjectCache[$dn]= array();
  88             $this->dhcpObjectCache[$data['dn']]= $data;
  89
  90             /* If we renamed a section, we've to rename a couple of objects, too */
  91             foreach ($this->dhcpObjectCache as $key => $dsc){
  92               if (preg_match("/,$dn$/", $key)){
  93                 $new_dn= preg_replace("/,$dn$/", ",".$data['dn'], $key);
  94                 $dsc['MODIFIED']= TRUE;
  95                 $this->dhcpObjectCache[$new_dn]= $dsc;
  96                 unset($this->dhcpObjectCache[$key]);
  97               }
  98             }
  99             $newsects= array();
 100             foreach ($this->dhcpSections as $key => $dsc){
 101               if ($key == $dn){
 102                 $newsects[$data['dn']]= "$spaces$type '".preg_replace('/^[^=]+=([^,]+),.*$/', '\1', $data['dn'])."'";
 103                 continue;
 104               }
 105               if (preg_match("/,$dn$/", $key)){
 106                 $new_dn= preg_replace("/,$dn$/", ",".$data['dn'], $key);
 107                 $newsects[$new_dn]= $dsc;
 108               } else {
 109                 $newsects[$key]= $dsc;
 110               }
 111             }
 112             $this->dhcpSections= $newsects;
 113
 114           } else {
 115             /* Old object, old name */
 116             $this->dhcpObjectCache[$data['dn']]= $data;
 117           }
 118         }
 119         $this->dialog= NULL;
 120       }
 121     }
 122
 123     /* Remove section? */
 124     if (isset($_POST['delete_dhcp_confirm'])){
 125       if (chkacl($this->acl, "delete") == ""){
 126         unset($this->dhcpSections[$this->current_object]);
 127         unset($this->dhcpObjectCache[$this->current_object]);
 128         $this->dhcpObjectCache[$this->current_object]= array();
 129         foreach ($this->dhcpSections as $key => $value){
 130           if (preg_match("/".$this->current_object."$/", $key)){
 131             unset($this->dhcpSections[$key]);
 132             unset($this->dhcpObjectCache[$key]);
 133             $this->dhcpObjectCache[$key]= array();
 134           }
 135         }
 136       } else {
 137         print_red(_("You're not allowed to remove DHCP sections!"));
 138       }
 139       $this->dialog= NULL;
 140     }
 141
 142     /* Look for post entries */
 143     foreach($_POST as $name => $value){
 144
 145       /* Insert new section? */
 146       if (preg_match('/^insertDhcp_.*_x$/', $name)){
 147         $dn= base64_decode(preg_replace('/^insertDhcp_([^_]+)_x$/', '\1', $name));
 148         if (isset($this->dhcpObjectCache[$dn])){
 149           $this->dialog= new dhcpNewSectionDialog($this->objectType($dn));
 150           $this->current_object= $dn;
 151           $this->dialog->acl= $this->acl;
 152         }
 153       }
 154
 155       /* Edit section? */
 156       if (preg_match('/^editDhcp_.*_x$/', $name)){
 157         $dn= base64_decode(preg_replace('/^editDhcp_([^_]+)_x$/', '\1', $name));
 158         if (isset($this->dhcpObjectCache[$dn])){
 159           $section= $this->objectType($dn);
 160           $this->current_object= $dn;
 161           $this->dialog= new $section($this->dhcpObjectCache[$dn]);
 162         }
 163       }
 164
 165       /* Remove section? */
 166       if (preg_match('/^delDhcp_.*_x$/', $name)){
 167         $dn= base64_decode(preg_replace('/^delDhcp_([^_]+)_x$/', '\1', $name));
 168         if (isset($this->dhcpObjectCache[$dn])){
 169           $this->current_object= $dn;
 170           $this->dialog= 1;
 171           $smarty->assign("warning", sprintf(_("You're about to delete the DHCP section '%s'."), $dn));
 172           return($smarty->fetch(get_template_path('remove_dhcp.tpl', TRUE)));
 173         }
 174       }
 175
 176     }
 177
 178     /* Do we need to flip is_account state? */
 179     if (isset($_POST['modify_state'])){
 180       $this->is_account= !$this->is_account;
 181     }
 182
 183     /* Show tab dialog headers */
 184     if ($this->is_account){
 185       $display= $this->show_header(_("Remove DHCP service"),
 186           _("This server has DHCP features enabled. You can disable them by clicking below."));
 187     } else {
 188       $display= $this->show_header(_("Add DHCP service"),
 189           _("This server has DHCP features disabled. You can enable them by clicking below."));
 190       return ($display);
 191     }
 192
 193
 194     /* Show dialog
 195      */
 196     if($this->dialog != NULL && !is_int($this->dialog)){
 197       $this->dialog->save_object();
 198       $this->dialog->parent = $this;
 199       return($this->dialog->execute());
 200     }
 201
 202     /* Create Listbox with existing Zones
 203      */
 204     $DhcpList = new divSelectBox("dhcpSections");
 205     $DhcpList->SetHeight(300);
 206
 207     /* Add entries to divlist
 208      */
 209     $editImgIns = "<input type='image' src='images/list_new.png' name='insertDhcp_%s' title='"._("Insert new DHCP section")."'>".
 210       "<input type='image' src='images/edit.png' name='editDhcp_%s' title='"._("Edit DHCP section")."'>".
 211       "<input type='image' src='images/edittrash.png' name='delDhcp_%s' title='"._("Remove DHCP section")."'>";
 212     $editImg = "<input type='image' src='images/edit.png' name='editDhcp_%s' title='"._("Edit DHCP section")."'>".
 213       "<input type='image' src='images/edittrash.png' name='delDhcp_%s' title='"._("Remove DHCP section")."'>";
 214     foreach($this->dhcpSections as $section => $values ){
 215       if (count(dhcpNewSectionDialog::$sectionMap[$this->objectType($section)])){
 216         $DhcpList->AddEntry(array(
 217               array("string" => $values),
 218               array("string" => str_replace("%s",base64_encode($section),$editImgIns), "attach" => "style='text-align:right;'")
 219               ));
 220       } else {
 221         $DhcpList->AddEntry(array(
 222               array("string" => $values),
 223               array("string" => str_replace("%s",base64_encode($section),$editImg), "attach" => "style='text-align:right;'")
 224               ));
 225       }
 226     }
 227
 228     $smarty->assign("dhcpACL",chkacl($this->acl,"servdhcp"));
 229
 230     /* Display tempalte */
 231     $smarty->assign("DhcpList",$DhcpList->DrawList());
 232     $display.= $smarty->fetch(get_template_path('servdhcp.tpl', TRUE));
 233     return($display);
 234   }
 235
 236   function remove_from_parent()
 237   {
 238     /* This cannot be removed... */
 239   }
 240
 241
 242   /* Save data to object */
 243   function save_object()
 244   {
 245     plugin::save_object();
 246   }
 247
 248
 249   /* Check supplied data */
 250   function check()
 251   {
 252     /* Call common method to give check the hook */
 253     $message= plugin::check();
 254
 255     return ($message);
 256   }
 257
 258
 259   /* Save to LDAP */
 260   function save()
 261   {
 262     $ldap= $this->config->get_ldap_link();
 263
 264     foreach ($this->dhcpObjectCache as $dn => $data){
 265
 266       /* Remove entry? */
 267       if (count($data) == 0){
 268         /* Check if exists, then remove... */
 269         if($ldap->cat($dn)){
 270           $ldap->rmdir_recursive($dn);
 271           show_ldap_error($ldap->get_error(), _("Can't remove DHCP object!"));
 272         }
 273         continue;
 274       }
 275
 276       /* Modify existing entry? */
 277       if (isset($data['MODIFIED'])){
 278
 279         if($ldap->cat($dn)){
 280           $modify= TRUE;
 281         } else {
 282           $modify= FALSE;
 283         }
 284
 285         /* Build new entry */
 286         $attrs= array();
 287         foreach ($data as $attribute => $values){
 288           if ($attribute == "MODIFIED" || $attribute == "dn"){
 289             continue;
 290           }
 291           if (count($values)){
 292             if (count($values) == 1){
 293               $attrs[$attribute]= $values[0];
 294             } else {
 295               $attrs[$attribute]= $values;
 296             }
 297           } else {
 298             if ($modify){
 299               $attrs[$attribute]= array();
 300             }
 301           }
 302         }
 303
 304         $ldap->cd($dn);
 305         if ($modify){
 306           $ldap->modify($attrs);
 307           show_ldap_error($ldap->get_error(), _("Can't save DHCP object!"));
 308         } else {
 309           $ldap->add($attrs);
 310           show_ldap_error($ldap->get_error(), _("Can't save DHCP object!"));
 311         }
 312       }
 313     }
 314   }
 315
 316
 317   function reload()
 318   {
 319     /* Init LDAP and load list */
 320     $ldap= $this->config->get_ldap_link();
 321     $ui= get_userinfo();
 322     $me= $this->dn;
 323
 324     $list= get_list("(&(objectClass=dhcpService)(|(dhcpPrimaryDN=$me)(dhcpSecondaryDN=$me)(dhcpServerDN=$me)(dhcpFailOverPeerDN=$me)))", $ui->subtreeACL, $this->config->current['BASE'], array("cn"));
 325     $final= array();
 326     foreach ($list as $value){
 327
 328       /* Set header */
 329       $sortpart= split(",", $value['dn']);
 330       $sortpart= array_reverse($sortpart);
 331       $tmp= implode(",", $sortpart);
 332
 333       $final[$value['dn']]= $tmp."!"._("Global options");
 334
 335       /* Read all sub entries to place here */
 336       $ldap->cd($value['dn']);
 337       $ldap->search("(|(objectClass=dhcpLog)(objectClass=dhcpClass)(objectClass=dhcpSubClass)(objectClass=dhcpLeases)(objectClass=dhcpHost)(objectClass=dhcpGroup)(objectClass=dhcpPool)(objectClass=dhcpSubnet)(objectClass=dhcpSharedNetwork)(objectClass=dhcpOptions)(objectClass=dhcpTSigKey)(objectClass=dhcpDnsZone)(objectClass=dhcpFailOverPeer))", array());
 338       $this->serviceDN= $value['dn'];
 339
 340       while ($attrs= $ldap->fetch()){
 341         $sattrs= array();
 342         for ($i= 0; $i<$attrs['count']; $i++){
 343           $sattrs[$attrs[$i]]= $attrs[$attrs[$i]];
 344           unset($sattrs[$attrs[$i]]['count']);
 345         }
 346         $sattrs['dn']= $ldap->getDN();
 347         $this->dhcpObjectCache[$ldap->getDN()]= $sattrs;
 348         $tmp= preg_replace("/".$this->serviceDN."/", "", $ldap->getDN());
 349         $indent= substr_count($tmp, ",");
 350         $spaces= "";
 351         for ($i= 0; $i<$indent; $i++){
 352           $spaces.= "&nbsp;&nbsp;&nbsp;&nbsp;";
 353         }
 354
 355         foreach ($this->types as $key => $val){
 356           if (in_array("$key", $attrs['objectClass'])){
 357             $type= $val;
 358             break;
 359           }
 360         }
 361
 362         /* Prepare for sorting... */
 363         $sortpart= split(",", $ldap->getDN());
 364         $sortpart= array_reverse($sortpart);
 365         $tmp= implode(",", $sortpart);
 366         $final[$ldap->getDN()]= $tmp."!".$spaces.$type." '".$attrs['cn'][0]."'";
 367       }
 368     }
 369
 370     /* Sort it... */
 371     natsort($final);
 372     $this->dhcpSections= array();
 373     foreach ($final as $key => $val){
 374       $this->dhcpSections[$key]= preg_replace('/^[^!]+!(.*)$/', '\\1', $val);
 375     }
 376
 377   }
 378
 379
 380   function objectType($dn)
 381   {
 382     $type= "";
 383     $types= array("dhcpService", "dhcpClass", "dhcpSubClass", "dhcpHost",
 384                   "dhcpGroup", "dhcpPool", "dhcpSubnet", "dhcpSharedNetwork");
 385
 386     foreach ($this->dhcpObjectCache[$dn]['objectClass'] as $oc){
 387       if (in_array($oc, $types)){
 388         $type= $oc;
 389         break;
 390       }
 391     }
 392
 393     /* That should not happen... */
 394     if ($type == ""){
 395       print_red(_("DHCP configuration set is unknown. Please contact your system administrator."));
 396     }
 397
 398     return ($type);
 399   }
 400
 401 }
 402
 403 //vim:tabstop=2:expandtab:softtab=2:shiftwidth=2:filetype=php:syntax:ruler:
 404 ?>