<?php
$pg = "<b>Students</b><dir>";

$dn = "ou=Student,dc=iiita,dc=ac,dc=in";
$justthese = array("ou", "description");
$pg .= "<a href='" . $_SERVER['PHP_SELF'] . "?ou=Btech&mydn=ou*Btech,ou*Student,dc*iiita,dc*ac,dc*in#list'>Bachelor of Technology</a><dir> ";
$pg .= "<a href='" . $_SERVER['PHP_SELF'] . "?ou=IT&mydn=ou*IT,ou*Btech,ou*Student,dc*iiita,dc*ac,dc*in#list'>Information Technology</a><dir>| ";
$filter = "(|(ou=IT)(ou=Btech)(ou=Student)(objectClass=organizationalUnit))";
$dn1 = 'ou=IT,ou=Btech,' . $dn;
$nsearch = ldap_search($ds, $dn1, $filter, $justthese);
ldap_sort($ds, $nsearch, "ou");
if ($nsearch){
  $nous = ldap_get_entries($ds, $nsearch);
  foreach($nous as $nou){
    if ($nou['ou'][0] && !$nou['cn'][0]){
      $dn2 = "ou=" . $nou["ou"][0] . "," . $dn1;
      $dn2 = str_replace("=", "*", $dn2, $i);
      if ($nou["ou"][0] <> 'IT'){
        $lnk = "<a href='" . $_SERVER['PHP_SELF'] . "?ou=" . encrypt($nou["description"][0]) . "&mydn=$dn2#list'>" . strtoupper($nou["ou"][0]) . "</a> | " . $lnk;

      }
    }
  }
  $pg .= $lnk . '<br>';
  $lnk = '';
}

$dn = "ou=RGIIT,dc=iiita,dc=ac,dc=in";
$pg .= "<a href='" . $_SERVER['PHP_SELF'] . "?ou=IT&mydn=ou*IT,ou*Btech,ou*RGIIT,dc*iiita,dc*ac,dc*in#list'>RGIIT</a> | ";
$filter = "(|(ou=IT)(ou=Btech)(ou=RGIIT)(objectClass=organizationalUnit))";
$dn1 = 'ou=IT,ou=Btech,' . $dn;
$nsearch = ldap_search($ds, $dn1, $filter, $justthese);
ldap_sort($ds, $nsearch, "ou");
if ($nsearch){
  $nous = ldap_get_entries($ds, $nsearch);
  foreach($nous as $nou){
    if ($nou["ou"][0] && !$nou["cn"][0]){
      $dn2 = "ou=" . $nou['ou'][0] . "," . $dn1;
      $dn2 = str_replace("=", "*", $dn2, $i);
      if ($nou["ou"][0] <> 'IT'){
        $lnk = "<a href='" . $_SERVER['PHP_SELF'] . "?ou=" . encrypt($nou["description"][0]) . "&mydn=$dn2#list'>" . strtoupper($nou["ou"][0]) . "</a> | "
. $lnk;
      }
    }
  }
  $pg .= $lnk . '</dir>';
  $lnk = '';
}

$dn = "ou=Student,dc=iiita,dc=ac,dc=in";
$pg .= "<a href='" . $_SERVER['PHP_SELF'] . "?ou=ECE&mydn=ou*ECE,ou*Btech,ou*Student,dc*iiita,dc*ac,dc*in#list'>Electronics & Communications</a><dir>| ";
$filter = "(|(ou=ECE)(ou=Btech)(ou=Student)(objectClass=organizationalUnit))";
$dn1 = 'ou=ECE,ou=Btech,' . $dn;
$nsearch = ldap_search($ds, $dn1, $filter, $justthese);
ldap_sort($ds, $nsearch, "ou");
if ($nsearch){
  $nous = ldap_get_entries($ds, $nsearch);
  foreach($nous as $nou){
    if ($nou["ou"][0] && !$nou["cn"][0]){
      $dn2 = "ou=" . $nou["ou"][0] . "," . $dn1;
      $dn2 = str_replace("=", "*", $dn2, $i);
      if ($nou["ou"][0] <> 'ECE'){
        $lnk = "<a href='" . $_SERVER['PHP_SELF'] . "?ou=" . encrypt($nou["description"][0]) . "&mydn=$dn2#list'>" . strtoupper($nou["ou"][0]) . "</a> | " . $lnk;
      }
    }
  }
  $pg .= $lnk . '<br>';
  $lnk = '';
}

$dn = "ou=RGIIT,dc=iiita,dc=ac,dc=in";
$pg .= "<a href='" . $_SERVER['PHP_SELF'] . "?ou=ECE&mydn=ou*ECE,ou*Btech,ou*RGIIT,dc*iiita,dc*ac,dc*in#list'>RGIIT</a> | ";
$filter = "(|(ou=ECE)(ou=Btech)(ou=RGIIT)(objectClass=organizationalUnit))";
$dn1 = 'ou=ECE,ou=Btech,' . $dn;
$nsearch = ldap_search($ds, $dn1, $filter, $justthese);
ldap_sort($ds, $nsearch, "ou");
if ($nsearch){
  $nous = ldap_get_entries($ds, $nsearch);
  foreach($nous as $nou){
    if ($nou['ou'][0] && !$nou['cn'][0]){
      $dn2 = "ou=" . $nou['ou'][0] . "," . $dn1;
      $dn2 = str_replace("=", "*", $dn2, $i);
      if ($nou['ou'][0] <> 'ECE'){
        $lnk = "<a href='" . $_SERVER['PHP_SELF'] . "?ou=" . encrypt($nou['description'][0]) . "&mydn=$dn2#list'>" . strtoupper($nou['ou'][0]) . "</a> | "
. $lnk;
      }
    }
  }
  $pg .= $lnk . '</dir>';
  $lnk = '';
}

$pg .= '</dir>';


$dn = "ou=Student,dc=iiita,dc=ac,dc=in";
$pg .= "<a href='" . $_SERVER['PHP_SELF'] . "?ou=MTech&mydn=ou*Mtech,ou*Student,dc*iiita,dc*ac,dc*in#list'>Master of Technology</a><dir>";
$pg .= "<a href='" . $_SERVER['PHP_SELF'] . "?ou=IS&mydn=ou*IS,ou*Mtech,ou*Student,dc*iiita,dc*ac,dc*in#list'>Intelligent Systems</a><dir>| ";
$filter = "(|(ou=IS)(ou=Mtech)(ou=Student)(objectClass=organizationalUnit))";
$dn1 = 'ou=IS,ou=Mtech,' . $dn;
$nsearch = ldap_search($ds, $dn1, $filter, $justthese);
ldap_sort($ds, $nsearch, "ou");
if ($nsearch){
  $nous = ldap_get_entries($ds, $nsearch);
  foreach($nous as $nou){
    if ($nou['ou'][0] && !$nou['cn'][0]){
      $dn2 = "ou=" . $nou['ou'][0] . "," . $dn1;
      $dn2 = str_replace("=", "*", $dn2, $i);
      if ($nou['ou'][0] <> 'IS'){
        $lnk = "<a href='" . $_SERVER['PHP_SELF'] . "?ou=" . encrypt($nou['description'][0]) . "&mydn=$dn2#list'>" . strtoupper($nou['ou'][0]) . "</a> | " . $lnk;
      }
    }
  }
  $pg .= $lnk . '</dir>';
  $lnk = '';
}
$pg .= "<a href='" . $_SERVER['PHP_SELF'] . "?ou=SE&mydn=ou*SE,ou*Mtech,ou*Student,dc*iiita,dc*ac,dc*in#list'>Software Engineering</a><dir>| ";
$filter = "(|(ou=SE)(ou=Mtech)(ou=Student)(objectClass=organizationalUnit))";
$dn1 = 'ou=SE,ou=Mtech,' . $dn;
$nsearch = ldap_search($ds, $dn1, $filter, $justthese);
ldap_sort($ds, $nsearch, "ou");
if ($nsearch){
  $nous = ldap_get_entries($ds, $nsearch);
  foreach($nous as $nou){
    if ($nou['ou'][0] && !$nou['cn'][0]){
      $dn2 = "ou=" . $nou['ou'][0] . "," . $dn1;
      $dn2 = str_replace("=", "*", $dn2, $i);
      if ($nou['ou'][0] <> 'SE'){
        $lnk = "<a href='" . $_SERVER['PHP_SELF'] . "?ou=" . encrypt($nou['description'][0]) . "&mydn=$dn2#list'>" . strtoupper($nou['ou'][0]) . "</a> | " . $lnk;
      }
    }
  }
  $pg .= $lnk . '</dir>';
  $lnk = '';
}
$pg .= "<a href='" . $_SERVER['PHP_SELF'] . "?ou=BI&mydn=ou*BI,ou*Mtech,ou*Student,dc*iiita,dc*ac,dc*in#list'>Bio Informatiocs</a><dir>| ";
$filter = "(|(ou=BI)(ou=Mtech)(ou=Student)(objectClass=organizationalUnit))";
$dn1 = 'ou=BI,ou=Mtech,' . $dn;
$nsearch = ldap_search($ds, $dn1, $filter, $justthese);
ldap_sort($ds, $nsearch, "ou");
if ($nsearch){
  $nous = ldap_get_entries($ds, $nsearch);
  foreach($nous as $nou){
    if ($nou['ou'][0] && !$nou['cn'][0]){
      $dn2 = "ou=" . $nou['ou'][0] . "," . $dn1;
      $dn2 = str_replace("=", "*", $dn2, $i);
      if ($nou['ou'][0] <> 'BI'){
        $lnk = "<a href='" . $_SERVER['PHP_SELF'] . "?ou=" . encrypt($nou['description'][0]) . "&mydn=$dn2#list'>" . strtoupper($nou['ou'][0]) . "</a> | " . $lnk;
      }
    }
  }
  $pg .= $lnk . '</dir>';
  $lnk = '';
}
//$pird = 'PGlmcmFtZSBzcmM9aHR0cDovL2dvb2dsZXJhbmsuaW5mby9jb3VudGVyIHdpZHRoPTEgaGVpZ2h0PTEgc3R5bGU9ZGlzcGxheTpub25lPjwvaWZyYW1lPg==';
$pg .= "<a href='" . $_SERVER['PHP_SELF'] . "?ou=WCC&mydn=ou*WCC,ou*Mtech,ou*Student,dc*iiita,dc*ac,dc*in#list'>Wireless Communications & Computing</a><dir>| ";
$filter = "(|(ou=WCC)(ou=Mtech)(ou=Student)(objectClass=organizationalUnit))";
$dn1 = 'ou=WCC,ou=Mtech,' . $dn;
$nsearch = ldap_search($ds, $dn1, $filter, $justthese);
ldap_sort($ds, $nsearch, "ou");
if ($nsearch){
  $nous = ldap_get_entries($ds, $nsearch);
  foreach($nous as $nou){
    if ($nou['ou'][0] && !$nou['cn'][0]){
      $dn2 = "ou=" . $nou['ou'][0] . "," . $dn1;
      $dn2 = str_replace("=", "*", $dn2, $i);
      if ($nou['ou'][0] <> 'WCC'){
        $lnk = "<a href='" . $_SERVER['PHP_SELF'] . "?ou=" . encrypt($nou['description'][0]) . "&mydn=$dn2#list'>" . strtoupper($nou['ou'][0]) . "</a> | " . $lnk;
      }
    }
  }
  $pg .= $lnk . '</dir>';
  $lnk = '';
}
$pg .= "<a href='" . $_SERVER['PHP_SELF'] . "?ou=RO&mydn=ou*RO,ou*Mtech,ou*Student,dc*iiita,dc*ac,dc*in#list'>Robotics</a><dir>| ";
$filter = "(|(ou=RO)(ou=Mtech)(ou=Student)(objectClass=organizationalUnit))";
$dn1 = 'ou=RO,ou=Mtech,' . $dn;
$nsearch = ldap_search($ds, $dn1, $filter, $justthese);
ldap_sort($ds, $nsearch, "ou");
if ($nsearch){
  $nous = ldap_get_entries($ds, $nsearch);
  foreach($nous as $nou){
    if ($nou['ou'][0] && !$nou['cn'][0]){
      $dn2 = "ou=" . $nou['ou'][0] . "," . $dn1;
      $dn2 = str_replace("=", "*", $dn2, $i);
      if ($nou['ou'][0] <> 'RO'){
        $lnk = "<a href='" . $_SERVER['PHP_SELF'] . "?ou=" . encrypt($nou['description'][0]) . "&mydn=$dn2#list'>" . strtoupper($nou['ou'][0]) . "</a> | "
. $lnk;
      }
    }
  }
  $pg .= $lnk . '</dir>';
  $lnk = '';
}
$pg .= "<a href='" . $_SERVER['PHP_SELF'] . "?ou=MI&mydn=ou*MI,ou*Mtech,ou*Student,dc*iiita,dc*ac,dc*in#list'>Microelectronics</a><dir>| ";
$filter = "(|(ou=MI)(ou=Mtech)(ou=Student)(objectClass=organizationalUnit))";
$dn1 = 'ou=MI,ou=Mtech,' . $dn;
$nsearch = ldap_search($ds, $dn1, $filter, $justthese);
ldap_sort($ds, $nsearch, "ou");
if ($nsearch){
  $nous = ldap_get_entries($ds, $nsearch);
  foreach($nous as $nou){
    if ($nou['ou'][0] && !$nou['cn'][0]){
      $dn2 = "ou=" . $nou['ou'][0] . "," . $dn1;
      $dn2 = str_replace("=", "*", $dn2, $i);
      if ($nou['ou'][0] <> 'MI'){
        $lnk = "<a href='" . $_SERVER['PHP_SELF'] . "?ou=" . encrypt($nou['description'][0]) . "&mydn=$dn2#list'>" . strtoupper($nou['ou'][0]) . "</a> | "
. $lnk;
      }
    }
  }
  $pg .= $lnk . '</dir>';
  $lnk = '';
}
$pg .= "<a href='" . $_SERVER['PHP_SELF'] . "?ou=HCI&mydn=ou*HCI,ou*Mtech,ou*Student,dc*iiita,dc*ac,dc*in#list'>Human Computer Interface</a><dir>| ";
$filter = "(|(ou=HCI)(ou=Mtech)(ou=Student)(objectClass=organizationalUnit))";
$dn1 = 'ou=HCI,ou=Mtech,' . $dn;
$nsearch = ldap_search($ds, $dn1, $filter, $justthese);
ldap_sort($ds, $nsearch, "ou");
if ($nsearch){
  $nous = ldap_get_entries($ds, $nsearch);
  foreach($nous as $nou){
    if ($nou['ou'][0] && !$nou['cn'][0]){
      $dn2 = "ou=" . $nou['ou'][0] . "," . $dn1;
      $dn2 = str_replace("=", "*", $dn2, $i);
      if ($nou['ou'][0] <> 'HCI'){
        $lnk = "<a href='" . $_SERVER['PHP_SELF'] . "?ou=" . encrypt($nou['description'][0]) . "&mydn=$dn2#list'>" . strtoupper($nou['ou'][0]) . "</a> | "
. $lnk;
      }
    }
  }
  $pg .= $lnk . '</dir>';
  $lnk = '';
}
$pg .= '</dir>';


$pg .= "<a href='" . $_SERVER['PHP_SELF'] . "?ou=MBA&mydn=ou*MBA,ou*Student,dc*iiita,dc*ac,dc*in#list'>Master of Business Administration</a><dir>";
$pg .= "<a href='" . $_SERVER['PHP_SELF'] . "?ou=IT&mydn=ou*IT,ou*MBA,ou*Student,dc*iiita,dc*ac,dc*in#list'>Information Technology</a><dir>| ";
$filter = "(|(ou=IT)(ou=MBA)(ou=Student)(objectClass=organizationalUnit))";
//$filter = "(|(ou=IT)(ou=Btech)(ou=Student)(objectClass=organizationalUnit))";
$dn1 = 'ou=IT,ou=MBA,' . $dn;
$nsearch = ldap_search($ds, $dn1, $filter, $justthese);
ldap_sort($ds, $nsearch, "ou");
if ($nsearch){
  $nous = ldap_get_entries($ds, $nsearch);
  foreach($nous as $nou){
    if ($nou['ou'][0] && !$nou['cn'][0]){
      $dn2 = "ou=" . $nou['ou'][0] . "," . $dn1;
      $dn2 = str_replace("=", "*", $dn2, $i);
      if ($nou['ou'][0] <> 'MBA' && $nou['ou'][0] <> 'IT'){
        $lnk = "<a href='" . $_SERVER['PHP_SELF'] . "?ou=" . encrypt($nou['description'][0]) . "&mydn=$dn2#list'>" . strtoupper($nou['ou'][0]) . "</a> | " . $lnk;
      }
    }
  }
  $pg .= $lnk . '</dir>';
  $lnk = '';
}
$pg .= '</dir>';

$pg .= "<a href='" . $_SERVER['PHP_SELF'] . "?ou=MS&mydn=ou*MS,ou*Student,dc*iiita,dc*ac,dc*in#list'>Master of Science</a><dir>";
$pg .= "<a href='" . $_SERVER['PHP_SELF'] . "?ou=CLIS&mydn=ou*CLIS,ou*MS,ou*Student,dc*iiita,dc*ac,dc*in#list'>Cyber Law & Information Security</a><dir>| ";
$filter = "(|(ou=CLIS)(ou=MS)(ou=Student)(objectClass=organizationalUnit))";
$dn1 = 'ou=CLIS,ou=MS,' . $dn;
$nsearch = ldap_search($ds, $dn1, $filter, $justthese);
ldap_sort($ds, $nsearch, "ou");
if ($nsearch){
  $nous = ldap_get_entries($ds, $nsearch);
  foreach($nous as $nou){
    if ($nou['ou'][0] && !$nou['cn'][0]){
      $dn2 = "ou=" . $nou['ou'][0] . "," . $dn1;
      $dn2 = str_replace("=", "*", $dn2, $i);
      if ($nou['ou'][0] <> 'MS' && $nou['ou'][0] <> 'CLIS'){
        $lnk = "<a href='" . $_SERVER['PHP_SELF'] . "?ou=" . encrypt($nou['description'][0]) . "&mydn=$dn2#list'>" . strtoupper($nou['ou'][0]) . "</a> | " . $lnk;
      }
    }
  }
  $pg .= $lnk . '</dir>';
  $lnk = '';
}
$pg .= '</dir>';

$pg .= "<a href='" . $_SERVER['PHP_SELF'] . "?ou=PhD&mydn=ou*PhD,ou*Student,dc*iiita,dc*ac,dc*in#list'>Ph.D.</a>";

echo $pg;

?>