plugins/admin/systems/class_servDHCP.inc

   1 <?php
   2
   3 class servdhcp extends plugin
   4 {
   5   /* attribute list for save action */
   6   var $attributes= array();
   7   var $objectclasses= array();
   8
   9   /* Section storage */
  10   var $dhcpSections= array();
  11   var $dhcpObjectCache= array();
  12   var $current_object= "";
  13   var $types= array();
  14   var $serviceDN= "";
  15
  16   function servdhcp ($config, $dn= NULL, $parent= NULL)
  17   {
  18     plugin::plugin ($config, $dn, $parent);
  19
  20     $this->types= array(  "dhcpLog" => _("Logging"),
  21             "dhcpService" => _("Global options"),
  22             "dhcpClass" => _("Class"),
  23             "dhcpSubClass" => _("Subclass"),
  24             "dhcpHost" => _("Host"),
  25             "dhcpGroup" => _("Group"),
  26             "dhcpPool" => _("Pool"),
  27             "dhcpSubnet" => _("Subnet"),
  28             "dhcpFailOverPeer" => _("Failover peer"),
  29             "dhcpSharedNetwork" => _("Shared network"));
  30
  31     /* Load information about available services */
  32     $this->reload();
  33     if (!count($this->dhcpSections)){
  34       $this->is_account= FALSE;
  35     }
  36   }
  37
  38
  39   function execute()
  40   {
  41     /* Call parent execute */
  42     plugin::execute();
  43
  44     /* Fill templating stuff */
  45     $smarty= get_smarty();
  46     $display= "";
  47
  48     /* Section Creation? */
  49     if (isset($_POST['create_section']) && isset($_POST['section'])){
  50       $section= $_POST['section'];
  51       if (isset(dhcpNewSectionDialog::$sectionMap[$section])){
  52         $this->dialog= new $section($this->current_object);
  53         $this->current_object= "";
  54       } else {
  55         $this->dialog= NULL;
  56       }
  57     }
  58
  59     /* Cancel section creation? */
  60     if (isset($_POST['cancel_section']) || isset($_POST['cancel_dhcp'])){
  61       $this->dialog= NULL;
  62     }
  63
  64     /* Save changes */
  65     if (isset($_POST['save_dhcp'])){
  66       $this->dialog->save_object();
  67       $messages= $this->dialog->check($this->dhcpObjectCache);
  68       if (count($messages)){
  69         show_errors($messages);
  70       } else {
  71         $dn= $this->dialog->dn;
  72         $class= get_class($this->dialog);
  73         $type= $this->types[$class];
  74         $indent= substr_count(preg_replace("/".$this->serviceDN."/", '', $dn), ",");
  75         $spaces= "";
  76         for ($i= 0; $i<$indent; $i++){
  77           $spaces.= "&nbsp;&nbsp;&nbsp;&nbsp;";
  78         }
  79         $data= $this->dialog->save();
  80         if ($this->current_object == ""){
  81           /* New object */
  82           $newsects= array();
  83           foreach ($this->dhcpSections as $key => $dsc){
  84             $newsects[$key]= $dsc;
  85             if ($key == $dn){
  86               $spaces.= "&nbsp;&nbsp;&nbsp;&nbsp;";
  87               $newsects[$data['dn']]= "$spaces$type '".preg_replace('/^[^=]+=([^,]+),.*$/', '\1', $data['dn'])."'";
  88             }
  89           }
  90           $this->dhcpObjectCache[$data['dn']]= $data;
  91           $this->dhcpSections= $newsects;
  92         } else {
  93           if ($dn != $data['dn']){
  94             /* Old object, new name */
  95             $this->dhcpObjectCache[$dn]= array();
  96             $this->dhcpObjectCache[$data['dn']]= $data;
  97
  98             /* If we renamed a section, we've to rename a couple of objects, too */
  99             foreach ($this->dhcpObjectCache as $key => $dsc){
 100               if (preg_match("/,$dn$/", $key)){
 101                 $new_dn= preg_replace("/,$dn$/", ",".$data['dn'], $key);
 102                 $dsc['MODIFIED']= TRUE;
 103                 $this->dhcpObjectCache[$new_dn]= $dsc;
 104                 unset($this->dhcpObjectCache[$key]);
 105               }
 106             }
 107             $newsects= array();
 108             foreach ($this->dhcpSections as $key => $dsc){
 109               if ($key == $dn){
 110                 $newsects[$data['dn']]= "$spaces$type '".preg_replace('/^[^=]+=([^,]+),.*$/', '\1', $data['dn'])."'";
 111                 continue;
 112               }
 113               if (preg_match("/,$dn$/", $key)){
 114                 $new_dn= preg_replace("/,$dn$/", ",".$data['dn'], $key);
 115                 $newsects[$new_dn]= $dsc;
 116               } else {
 117                 $newsects[$key]= $dsc;
 118               }
 119             }
 120             $this->dhcpSections= $newsects;
 121
 122           } else {
 123             /* Old object, old name */
 124             $this->dhcpObjectCache[$data['dn']]= $data;
 125           }
 126         }
 127         $this->dialog= NULL;
 128       }
 129     }
 130
 131     /* Remove section? */
 132     if (isset($_POST['delete_dhcp_confirm'])){
 133       if (chkacl($this->acl, "delete") == ""){
 134         unset($this->dhcpSections[$this->current_object]);
 135         unset($this->dhcpObjectCache[$this->current_object]);
 136         $this->dhcpObjectCache[$this->current_object]= array();
 137         foreach ($this->dhcpSections as $key => $value){
 138           if (preg_match("/".$this->current_object."$/", $key)){
 139             unset($this->dhcpSections[$key]);
 140             unset($this->dhcpObjectCache[$key]);
 141             $this->dhcpObjectCache[$key]= array();
 142           }
 143         }
 144       } else {
 145         print_red(_("You're not allowed to remove DHCP sections!"));
 146       }
 147       $this->dialog= NULL;
 148     }
 149
 150     /* Look for post entries */
 151     foreach($_POST as $name => $value){
 152
 153       /* Insert new section? */
 154       if (preg_match('/^insertDhcp_.*_x$/', $name)){
 155         $dn= base64_decode(preg_replace('/^insertDhcp_([^_]+)_x$/', '\1', $name));
 156         if (isset($this->dhcpObjectCache[$dn])){
 157           $this->dialog= new dhcpNewSectionDialog($this->objectType($dn));
 158           $this->current_object= $dn;
 159           $this->dialog->acl= $this->acl;
 160         }
 161       }
 162
 163       /* Edit section? */
 164       if (preg_match('/^editDhcp_.*_x$/', $name)){
 165         $dn= base64_decode(preg_replace('/^editDhcp_([^_]+)_x$/', '\1', $name));
 166         if (isset($this->dhcpObjectCache[$dn])){
 167           $section= $this->objectType($dn);
 168           $this->current_object= $dn;
 169           $this->dialog= new $section($this->dhcpObjectCache[$dn]);
 170         }
 171       }
 172
 173       /* Remove section? */
 174       if (preg_match('/^delDhcp_.*_x$/', $name)){
 175         $dn= base64_decode(preg_replace('/^delDhcp_([^_]+)_x$/', '\1', $name));
 176         if (isset($this->dhcpObjectCache[$dn])){
 177           $this->current_object= $dn;
 178           $this->dialog= 1;
 179           $smarty->assign("warning", sprintf(_("You're about to delete the DHCP section '%s'."), $dn));
 180           return($smarty->fetch(get_template_path('remove_dhcp.tpl', TRUE)));
 181         }
 182       }
 183
 184     }
 185
 186     /* Do we need to flip is_account state? */
 187     if (isset($_POST['modify_state'])){
 188       $this->is_account= !$this->is_account;
 189     }
 190
 191     /* Show tab dialog headers */
 192     if ($this->is_account){
 193       $display= $this->show_header(_("Remove DHCP service"),
 194           _("This server has DHCP features enabled. You can disable them by clicking below."));
 195
 196       if (!count($this->dhcpObjectCache)){
 197         $attrs= array();
 198         $attrs['dn']= 'cn=dhcp,'.$this->dn;
 199         $attrs['cn']= array('dhcp');
 200         $attrs['objectClass']= array('top', 'dhcpService');
 201         $attrs['dhcpPrimaryDN']= array($this->dn);
 202         $attrs['dhcpStatements']= array("default-lease-time 600",
 203                                         "max-lease-time 1200",
 204                                         "authoritative",
 205                                         "ddns-update-style none");
 206         $attrs['MODIFIED']= TRUE;
 207         $this->dhcpSections['cn=dhcp,'.$this->dn]= _("Global options");
 208         $this->dhcpObjectCache['cn=dhcp,'.$this->dn]= $attrs;
 209       }
 210
 211     } else {
 212       $display= $this->show_header(_("Add DHCP service"),
 213           _("This server has DHCP features disabled. You can enable them by clicking below."));
 214       return ($display);
 215     }
 216
 217
 218     /* Show dialog
 219      */
 220     if($this->dialog != NULL && !is_int($this->dialog)){
 221       $this->dialog->save_object();
 222       $this->dialog->parent = $this;
 223       return($this->dialog->execute());
 224     }
 225
 226     /* Create Listbox with existing Zones
 227      */
 228     $DhcpList = new divSelectBox("dhcpSections");
 229     $DhcpList->SetHeight(400);
 230
 231     /* Add entries to divlist
 232      */
 233     $editImgIns = "<input type='image' src='images/list_new.png' name='insertDhcp_%s' title='"._("Insert new DHCP section")."'>".
 234       "<input type='image' src='images/edit.png' name='editDhcp_%s' title='"._("Edit DHCP section")."'>".
 235       "<input type='image' src='images/edittrash.png' name='delDhcp_%s' title='"._("Remove DHCP section")."'>";
 236     $editImgInsNoDel = "<input type='image' src='images/list_new.png' name='insertDhcp_%s' title='"._("Insert new DHCP section")."'>".
 237       "<input type='image' src='images/edit.png' name='editDhcp_%s' title='"._("Edit DHCP section")."'>";
 238     $editImg = "<input type='image' src='images/edit.png' name='editDhcp_%s' title='"._("Edit DHCP section")."'>".
 239       "<input type='image' src='images/edittrash.png' name='delDhcp_%s' title='"._("Remove DHCP section")."'>";
 240     foreach($this->dhcpSections as $section => $values ){
 241       if (count(dhcpNewSectionDialog::$sectionMap[$this->objectType($section)])){
 242         if ($this->objectType($section) == "dhcpService"){
 243           $DhcpList->AddEntry(array(
 244               array("string" => $values),
 245               array("string" => str_replace("%s",base64_encode($section),$editImgInsNoDel), "attach" => "style='text-align:right;'")
 246               ));
 247         } else {
 248           $DhcpList->AddEntry(array(
 249               array("string" => $values),
 250               array("string" => str_replace("%s",base64_encode($section),$editImgIns), "attach" => "style='text-align:right;'")
 251               ));
 252         }
 253       } else {
 254         $DhcpList->AddEntry(array(
 255               array("string" => $values),
 256               array("string" => str_replace("%s",base64_encode($section),$editImg), "attach" => "style='text-align:right;'")
 257               ));
 258       }
 259     }
 260
 261     $smarty->assign("dhcpACL",chkacl($this->acl,"servdhcp"));
 262
 263     /* Display tempalte */
 264     $smarty->assign("DhcpList",$DhcpList->DrawList());
 265     $display.= $smarty->fetch(get_template_path('servdhcp.tpl', TRUE));
 266     return($display);
 267   }
 268
 269
 270   function remove_from_parent()
 271   {
 272     $ldap= $this->config->get_ldap_link();
 273     foreach ($this->dhcpObjectCache as $dn => $content){
 274       if ($this->objectType($dn) == 'dhcpService'){
 275         $ldap->rmdir_recursive($dn);
 276         show_ldap_error($ldap->get_error(), _("Removing DHCP entries failed"));
 277       }
 278     }
 279   }
 280
 281
 282   /* Save data to object */
 283   function save_object()
 284   {
 285     plugin::save_object();
 286   }
 287
 288
 289   /* Check supplied data */
 290   function check()
 291   {
 292     /* Call common method to give check the hook */
 293     $message= plugin::check();
 294
 295     return ($message);
 296   }
 297
 298
 299   /* Save to LDAP */
 300   function save()
 301   {
 302     $ldap= $this->config->get_ldap_link();
 303
 304     foreach ($this->dhcpObjectCache as $dn => $data){
 305
 306       /* Remove entry? */
 307       if (count($data) == 0){
 308         /* Check if exists, then remove... */
 309         if($ldap->cat($dn)){
 310           $ldap->rmdir_recursive($dn);
 311           show_ldap_error($ldap->get_error(), _("Can't remove DHCP object!"));
 312         }
 313         continue;
 314       }
 315
 316       /* Modify existing entry? */
 317       if (isset($data['MODIFIED'])){
 318
 319         if($ldap->cat($dn)){
 320           $modify= TRUE;
 321         } else {
 322           $modify= FALSE;
 323         }
 324
 325         /* Build new entry */
 326         $attrs= array();
 327         foreach ($data as $attribute => $values){
 328           if ($attribute == "MODIFIED" || $attribute == "dn"){
 329             continue;
 330           }
 331           if (count($values)){
 332             if (count($values) == 1){
 333               $attrs[$attribute]= $values[0];
 334             } else {
 335               $attrs[$attribute]= $values;
 336             }
 337           } else {
 338             if ($modify){
 339               $attrs[$attribute]= array();
 340             }
 341           }
 342         }
 343
 344         $ldap->cd($dn);
 345         if ($modify){
 346           $ldap->modify($attrs);
 347           show_ldap_error($ldap->get_error(), _("Can't save DHCP object!"));
 348         } else {
 349           $ldap->add($attrs);
 350           show_ldap_error($ldap->get_error(), _("Can't save DHCP object!"));
 351         }
 352       }
 353     }
 354   }
 355
 356
 357   function reload()
 358   {
 359     /* Init LDAP and load list */
 360     $ldap= $this->config->get_ldap_link();
 361     $ui= get_userinfo();
 362     $me= $this->dn;
 363
 364     $list= get_list("(&(objectClass=dhcpService)(|(dhcpPrimaryDN=$me)(dhcpSecondaryDN=$me)(dhcpServerDN=$me)(dhcpFailOverPeerDN=$me)))", $ui->subtreeACL, $this->config->current['BASE'], array("cn"));
 365     $final= array();
 366     foreach ($list as $value){
 367
 368       /* Set header */
 369       $sortpart= split(",", $value['dn']);
 370       $sortpart= array_reverse($sortpart);
 371       $tmp= implode(",", $sortpart);
 372
 373       $final[$value['dn']]= $tmp."!"._("Global options");
 374
 375       /* Read all sub entries to place here */
 376       $ldap->cd($value['dn']);
 377       $ldap->search("(|(objectClass=dhcpService)(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());
 378       $this->serviceDN= $value['dn'];
 379
 380       while ($attrs= $ldap->fetch()){
 381         $sattrs= array();
 382         for ($i= 0; $i<$attrs['count']; $i++){
 383           $sattrs[$attrs[$i]]= $attrs[$attrs[$i]];
 384           unset($sattrs[$attrs[$i]]['count']);
 385         }
 386         $sattrs['dn']= $ldap->getDN();
 387         $this->dhcpObjectCache[$ldap->getDN()]= $sattrs;
 388         $tmp= preg_replace("/".$this->serviceDN."/", "", $ldap->getDN());
 389         $indent= substr_count($tmp, ",");
 390         $spaces= "";
 391         for ($i= 0; $i<$indent; $i++){
 392           $spaces.= "&nbsp;&nbsp;&nbsp;&nbsp;";
 393         }
 394
 395         foreach ($this->types as $key => $val){
 396           if (in_array("$key", $attrs['objectClass'])){
 397             $type= $val;
 398             break;
 399           }
 400         }
 401
 402         /* Prepare for sorting... */
 403         $sortpart= split(",", $ldap->getDN());
 404         $sortpart= array_reverse($sortpart);
 405         $tmp= implode(",", $sortpart);
 406         $final[$ldap->getDN()]= $tmp."!".$spaces.$type." '".$attrs['cn'][0]."'";
 407       }
 408     }
 409
 410     /* Sort it... */
 411     natsort($final);
 412     $this->dhcpSections= array();
 413     foreach ($final as $key => $val){
 414       $this->dhcpSections[$key]= preg_replace('/^[^!]+!(.*)$/', '\\1', $val);
 415     }
 416
 417   }
 418
 419
 420   function objectType($dn)
 421   {
 422     $type= "";
 423     $types= array("dhcpService", "dhcpClass", "dhcpSubClass", "dhcpHost",
 424                   "dhcpGroup", "dhcpPool", "dhcpSubnet", "dhcpSharedNetwork");
 425
 426     foreach ($this->dhcpObjectCache[$dn]['objectClass'] as $oc){
 427       if (in_array($oc, $types)){
 428         $type= $oc;
 429         break;
 430       }
 431     }
 432
 433     /* That should not happen... */
 434     if ($type == ""){
 435       print_red(_("DHCP configuration set is unknown. Please contact your system administrator."));
 436     }
 437
 438     return ($type);
 439   }
 440
 441 }
 442
 443 //vim:tabstop=2:expandtab:softtab=2:shiftwidth=2:filetype=php:syntax:ruler:
 444 ?>