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             "dhcpHost" => _("Host"),
  26             "dhcpGroup" => _("Group"),
  27             "dhcpPool" => _("Pool"),
  28             "dhcpSubnet" => _("Subnet"),
  29             "dhcpFailOverPeer" => _("Failover peer"),
  30             "dhcpSharedNetwork" => _("Shared network"));
  31
  32     /* Load information about available services */
  33     $this->reload();
  34   }
  35
  36
  37   function execute()
  38   {
  39     /* Call parent execute */
  40     plugin::execute();
  41
  42     /* Fill templating stuff */
  43     $smarty= get_smarty();
  44     $display= "";
  45
  46     /* Section Creation? */
  47     if (isset($_POST['create_section']) && isset($_POST['section'])){
  48       $section= $_POST['section'];
  49       if (isset(dhcpNewSectionDialog::$sectionMap[$section])){
  50         $this->dialog= new $section($this->current_object);
  51         $this->current_object= "";
  52       } else {
  53         $this->dialog= NULL;
  54       }
  55     }
  56
  57     /* Cancel section creation? */
  58     if (isset($_POST['cancel_section']) || isset($_POST['cancel_dhcp'])){
  59       $this->dialog= NULL;
  60     }
  61
  62     /* Save changes */
  63     if (isset($_POST['save_dhcp'])){
  64       $this->dialog->save_object();
  65       $messages= $this->dialog->check($this->dhcpObjectCache);
  66       if (count($messages)){
  67         show_errors($messages);
  68       } else {
  69         $dn= $this->dialog->dn;
  70         $class= get_class($this->dialog);
  71         $type= $this->types[$class];
  72         $indent= substr_count(preg_replace("/".$this->serviceDN."/", '', $dn), ",");
  73         $spaces= "";
  74         for ($i= 0; $i<$indent; $i++){
  75           $spaces.= "&nbsp;&nbsp;&nbsp;&nbsp;";
  76         }
  77         $data= $this->dialog->save();
  78         if ($this->current_object == ""){
  79           /* New object */
  80           $newsects= array();
  81           foreach ($this->dhcpSections as $key => $dsc){
  82             $newsects[$key]= $dsc;
  83             if ($key == $dn){
  84               $spaces.= "&nbsp;&nbsp;&nbsp;&nbsp;";
  85               $newsects[$data['dn']]= "$spaces$type '".preg_replace('/^[^=]+=([^,]+),.*$/', '\1', $data['dn'])."'";
  86             }
  87           }
  88           $this->dhcpObjectCache[$data['dn']]= $data;
  89           $this->dhcpSections= $newsects;
  90         } else {
  91           if ($dn != $data['dn']){
  92             /* Old object, new name */
  93             $this->dhcpObjectCache[$dn]= array();
  94             $this->dhcpObjectCache[$data['dn']]= $data;
  95
  96             /* If we renamed a section, we've to rename a couple of objects, too */
  97             foreach ($this->dhcpObjectCache as $key => $dsc){
  98               if (preg_match("/,$dn$/", $key)){
  99                 $new_dn= preg_replace("/,$dn$/", ",".$data['dn'], $key);
 100                 $dsc['MODIFIED']= TRUE;
 101                 $this->dhcpObjectCache[$new_dn]= $dsc;
 102                 unset($this->dhcpObjectCache[$key]);
 103               }
 104             }
 105             $newsects= array();
 106             foreach ($this->dhcpSections as $key => $dsc){
 107               if ($key == $dn){
 108                 $newsects[$data['dn']]= "$spaces$type '".preg_replace('/^[^=]+=([^,]+),.*$/', '\1', $data['dn'])."'";
 109                 continue;
 110               }
 111               if (preg_match("/,$dn$/", $key)){
 112                 $new_dn= preg_replace("/,$dn$/", ",".$data['dn'], $key);
 113                 $newsects[$new_dn]= $dsc;
 114               } else {
 115                 $newsects[$key]= $dsc;
 116               }
 117             }
 118             $this->dhcpSections= $newsects;
 119
 120           } else {
 121             /* Old object, old name */
 122             $this->dhcpObjectCache[$data['dn']]= $data;
 123           }
 124         }
 125         $this->dialog= NULL;
 126       }
 127     }
 128
 129     /* Remove section? */
 130     if (isset($_POST['delete_dhcp_confirm'])){
 131       if (chkacl($this->acl, "delete") == ""){
 132         unset($this->dhcpSections[$this->current_object]);
 133         unset($this->dhcpObjectCache[$this->current_object]);
 134         $this->dhcpObjectCache[$this->current_object]= array();
 135         foreach ($this->dhcpSections as $key => $value){
 136           if (preg_match("/".$this->current_object."$/", $key)){
 137             unset($this->dhcpSections[$key]);
 138             unset($this->dhcpObjectCache[$key]);
 139             $this->dhcpObjectCache[$key]= array();
 140           }
 141         }
 142       } else {
 143         print_red(_("You're not allowed to remove DHCP sections!"));
 144       }
 145       $this->dialog= NULL;
 146     }
 147
 148     /* Look for post entries */
 149     foreach($_POST as $name => $value){
 150
 151       /* Insert new section? */
 152       if (preg_match('/^insertDhcp_.*_x$/', $name)){
 153         $dn= base64_decode(preg_replace('/^insertDhcp_([^_]+)_x$/', '\1', $name));
 154         if (isset($this->dhcpObjectCache[$dn])){
 155           $this->dialog= new dhcpNewSectionDialog($this->objectType($dn));
 156           $this->current_object= $dn;
 157           $this->dialog->acl= $this->acl;
 158         }
 159       }
 160
 161       /* Edit section? */
 162       if (preg_match('/^editDhcp_.*_x$/', $name)){
 163         $dn= base64_decode(preg_replace('/^editDhcp_([^_]+)_x$/', '\1', $name));
 164         if (isset($this->dhcpObjectCache[$dn])){
 165           $section= $this->objectType($dn);
 166           $this->current_object= $dn;
 167           $this->dialog= new $section($this->dhcpObjectCache[$dn]);
 168         }
 169       }
 170
 171       /* Remove section? */
 172       if (preg_match('/^delDhcp_.*_x$/', $name)){
 173         $dn= base64_decode(preg_replace('/^delDhcp_([^_]+)_x$/', '\1', $name));
 174         if (isset($this->dhcpObjectCache[$dn])){
 175           $this->current_object= $dn;
 176           $this->dialog= 1;
 177           $smarty->assign("warning", sprintf(_("You're about to delete the DHCP section '%s'."), $dn));
 178           return($smarty->fetch(get_template_path('remove_dhcp.tpl', TRUE)));
 179         }
 180       }
 181
 182     }
 183
 184     /* Do we need to flip is_account state? */
 185     if (isset($_POST['modify_state'])){
 186       $this->is_account= !$this->is_account;
 187     }
 188
 189     /* Show tab dialog headers */
 190     if ($this->is_account){
 191       $display= $this->show_header(_("Remove DHCP service"),
 192           _("This server has DHCP features enabled. You can disable them by clicking below."));
 193     } else {
 194       $display= $this->show_header(_("Add DHCP service"),
 195           _("This server has DHCP features disabled. You can enable them by clicking below."));
 196       return ($display);
 197     }
 198
 199
 200     /* Show dialog
 201      */
 202     if($this->dialog != NULL && !is_int($this->dialog)){
 203       $this->dialog->save_object();
 204       $this->dialog->parent = $this;
 205       return($this->dialog->execute());
 206     }
 207
 208     /* Create Listbox with existing Zones
 209      */
 210     $DhcpList = new divSelectBox("dhcpSections");
 211     $DhcpList->SetHeight(300);
 212
 213     /* Add entries to divlist
 214      */
 215     $editImgIns = "<input type='image' src='images/list_new.png' name='insertDhcp_%s' title='"._("Insert new DHCP section")."'>".
 216       "<input type='image' src='images/edit.png' name='editDhcp_%s' title='"._("Edit DHCP section")."'>".
 217       "<input type='image' src='images/edittrash.png' name='delDhcp_%s' title='"._("Remove DHCP section")."'>";
 218     $editImgInsNoDel = "<input type='image' src='images/list_new.png' name='insertDhcp_%s' title='"._("Insert new DHCP section")."'>".
 219       "<input type='image' src='images/edit.png' name='editDhcp_%s' title='"._("Edit DHCP section")."'>";
 220     $editImg = "<input type='image' src='images/edit.png' name='editDhcp_%s' title='"._("Edit DHCP section")."'>".
 221       "<input type='image' src='images/edittrash.png' name='delDhcp_%s' title='"._("Remove DHCP section")."'>";
 222     foreach($this->dhcpSections as $section => $values ){
 223       if (count(dhcpNewSectionDialog::$sectionMap[$this->objectType($section)])){
 224         if ($this->objectType($section) == "dhcpService"){
 225           $DhcpList->AddEntry(array(
 226               array("string" => $values),
 227               array("string" => str_replace("%s",base64_encode($section),$editImgInsNoDel), "attach" => "style='text-align:right;'")
 228               ));
 229         } else {
 230           $DhcpList->AddEntry(array(
 231               array("string" => $values),
 232               array("string" => str_replace("%s",base64_encode($section),$editImgIns), "attach" => "style='text-align:right;'")
 233               ));
 234         }
 235       } else {
 236         $DhcpList->AddEntry(array(
 237               array("string" => $values),
 238               array("string" => str_replace("%s",base64_encode($section),$editImg), "attach" => "style='text-align:right;'")
 239               ));
 240       }
 241     }
 242
 243     $smarty->assign("dhcpACL",chkacl($this->acl,"servdhcp"));
 244
 245     /* Display tempalte */
 246     $smarty->assign("DhcpList",$DhcpList->DrawList());
 247     $display.= $smarty->fetch(get_template_path('servdhcp.tpl', TRUE));
 248     return($display);
 249   }
 250
 251   function remove_from_parent()
 252   {
 253     /* This cannot be removed... */
 254   }
 255
 256
 257   /* Save data to object */
 258   function save_object()
 259   {
 260     plugin::save_object();
 261   }
 262
 263
 264   /* Check supplied data */
 265   function check()
 266   {
 267     /* Call common method to give check the hook */
 268     $message= plugin::check();
 269
 270     return ($message);
 271   }
 272
 273
 274   /* Save to LDAP */
 275   function save()
 276   {
 277     $ldap= $this->config->get_ldap_link();
 278
 279     foreach ($this->dhcpObjectCache as $dn => $data){
 280
 281       /* Remove entry? */
 282       if (count($data) == 0){
 283         /* Check if exists, then remove... */
 284         if($ldap->cat($dn)){
 285           $ldap->rmdir_recursive($dn);
 286           show_ldap_error($ldap->get_error(), _("Can't remove DHCP object!"));
 287         }
 288         continue;
 289       }
 290
 291       /* Modify existing entry? */
 292       if (isset($data['MODIFIED'])){
 293
 294         if($ldap->cat($dn)){
 295           $modify= TRUE;
 296         } else {
 297           $modify= FALSE;
 298         }
 299
 300         /* Build new entry */
 301         $attrs= array();
 302         foreach ($data as $attribute => $values){
 303           if ($attribute == "MODIFIED" || $attribute == "dn"){
 304             continue;
 305           }
 306           if (count($values)){
 307             if (count($values) == 1){
 308               $attrs[$attribute]= $values[0];
 309             } else {
 310               $attrs[$attribute]= $values;
 311             }
 312           } else {
 313             if ($modify){
 314               $attrs[$attribute]= array();
 315             }
 316           }
 317         }
 318
 319         $ldap->cd($dn);
 320         if ($modify){
 321           $ldap->modify($attrs);
 322           show_ldap_error($ldap->get_error(), _("Can't save DHCP object!"));
 323         } else {
 324           $ldap->add($attrs);
 325           show_ldap_error($ldap->get_error(), _("Can't save DHCP object!"));
 326         }
 327       }
 328     }
 329   }
 330
 331
 332   function reload()
 333   {
 334     /* Init LDAP and load list */
 335     $ldap= $this->config->get_ldap_link();
 336     $ui= get_userinfo();
 337     $me= $this->dn;
 338
 339     $list= get_list("(&(objectClass=dhcpService)(|(dhcpPrimaryDN=$me)(dhcpSecondaryDN=$me)(dhcpServerDN=$me)(dhcpFailOverPeerDN=$me)))", $ui->subtreeACL, $this->config->current['BASE'], array("cn"));
 340     $final= array();
 341     foreach ($list as $value){
 342
 343       /* Set header */
 344       $sortpart= split(",", $value['dn']);
 345       $sortpart= array_reverse($sortpart);
 346       $tmp= implode(",", $sortpart);
 347
 348       $final[$value['dn']]= $tmp."!"._("Global options");
 349
 350       /* Read all sub entries to place here */
 351       $ldap->cd($value['dn']);
 352       $ldap->search("(|(objectClass=dhcpLog)(objectClass=dhcpClass)(objectClass=dhcpSubClass)(objectClass=dhcpHost)(objectClass=dhcpGroup)(objectClass=dhcpPool)(objectClass=dhcpSubnet)(objectClass=dhcpSharedNetwork)(objectClass=dhcpOptions)(objectClass=dhcpTSigKey)(objectClass=dhcpDnsZone)(objectClass=dhcpFailOverPeer))", array());
 353       $this->serviceDN= $value['dn'];
 354
 355       while ($attrs= $ldap->fetch()){
 356         $sattrs= array();
 357         for ($i= 0; $i<$attrs['count']; $i++){
 358           $sattrs[$attrs[$i]]= $attrs[$attrs[$i]];
 359           unset($sattrs[$attrs[$i]]['count']);
 360         }
 361         $sattrs['dn']= $ldap->getDN();
 362         $this->dhcpObjectCache[$ldap->getDN()]= $sattrs;
 363         $tmp= preg_replace("/".$this->serviceDN."/", "", $ldap->getDN());
 364         $indent= substr_count($tmp, ",");
 365         $spaces= "";
 366         for ($i= 0; $i<$indent; $i++){
 367           $spaces.= "&nbsp;&nbsp;&nbsp;&nbsp;";
 368         }
 369
 370         foreach ($this->types as $key => $val){
 371           if (in_array("$key", $attrs['objectClass'])){
 372             $type= $val;
 373             break;
 374           }
 375         }
 376
 377         /* Prepare for sorting... */
 378         $sortpart= split(",", $ldap->getDN());
 379         $sortpart= array_reverse($sortpart);
 380         $tmp= implode(",", $sortpart);
 381         $final[$ldap->getDN()]= $tmp."!".$spaces.$type." '".$attrs['cn'][0]."'";
 382       }
 383     }
 384
 385     /* Sort it... */
 386     natsort($final);
 387     $this->dhcpSections= array();
 388     foreach ($final as $key => $val){
 389       $this->dhcpSections[$key]= preg_replace('/^[^!]+!(.*)$/', '\\1', $val);
 390     }
 391
 392   }
 393
 394
 395   function objectType($dn)
 396   {
 397     $type= "";
 398     $types= array("dhcpService", "dhcpClass", "dhcpSubClass", "dhcpHost",
 399                   "dhcpGroup", "dhcpPool", "dhcpSubnet", "dhcpSharedNetwork");
 400
 401     foreach ($this->dhcpObjectCache[$dn]['objectClass'] as $oc){
 402       if (in_array($oc, $types)){
 403         $type= $oc;
 404         break;
 405       }
 406     }
 407
 408     /* That should not happen... */
 409     if ($type == ""){
 410       print_red(_("DHCP configuration set is unknown. Please contact your system administrator."));
 411     }
 412
 413     return ($type);
 414   }
 415
 416 }
 417
 418 //vim:tabstop=2:expandtab:softtab=2:shiftwidth=2:filetype=php:syntax:ruler:
 419 ?>