PHP Dosya Yöneticisi

<?php include("header.php");
if($user["yetki"]!="1"){
	header("Location: index.php");
	exit;
}
  if(@$_POST["servis"]!=Null && @$_POST["kate"]!=Null && @$_POST["fiyat"]!=Null && @$_POST["adet"]!=Null && @$_POST["id"]==Null)  {

$id=$_SESSION["yetkili_id"];
  $servis = $_POST['servis'];
  $servis=htmlentities($servis, ENT_QUOTES, "UTF-8");
  $kate = $_POST['kate'];
  $kate=htmlentities($kate, ENT_QUOTES, "UTF-8");
  $fiyat = $_POST['fiyat'];
  $fiyat=htmlentities($fiyat, ENT_QUOTES, "UTF-8");
  $adet = $_POST['adet'];
  $adet=htmlentities($adet, ENT_QUOTES, "UTF-8");
  $tip = $_POST['tip'];
  $tip=htmlentities($tip, ENT_QUOTES, "UTF-8");
  $aciklama = $_POST['aciklama'];
  $aciklama=htmlentities($aciklama, ENT_QUOTES, "UTF-8");
  $alt_baslik=htmlentities($_POST['alt_baslik'], ENT_QUOTES, "UTF-8");

if($tip==1){
	$max="1";
	$min="1";
}

if($_POST['mod']=="Api"){
  $api = $_POST['api'];
  $api=htmlentities($api, ENT_QUOTES, "UTF-8");
  $servisid=htmlentities($_POST['servisid'], ENT_QUOTES, "UTF-8");

}
else{
	$api="Manuel";
	$servisid="0";
} 
$url=str_slug($_POST["servis"]);
     $data2=mysqli_query($baglanti,"select * from service where url='$url'"); 
$data=mysqli_fetch_array($data2);
if($data["id"]!=Null){
    $url=$url."-".rand(1,999);
}
  if ($baglanti->query("INSERT INTO service (servisid, servis, kate, fiyat, adet, api, ortalama,tip,aciklama,url,alt_baslik) VALUES ('$servisid','$servis','$kate', '$fiyat', '$adet', '$api', '','$tip','$aciklama','$url','$alt_baslik')"))
    {
       header("Location: ?is=bas");
	  exit;
    }
}

if(@$_POST["servis"]!=Null && @$_POST["kate"]!=Null && @$_POST["fiyat"]!=Null && @$_POST["adet"]!=Null && @$_POST["id"]!=Null)  {
  $id=$_SESSION["yetkili_id"];
  $servis = $_POST['servis'];
  $servis=htmlentities($servis, ENT_QUOTES, "UTF-8");
  $kate = $_POST['kate'];
  $kate=htmlentities($kate, ENT_QUOTES, "UTF-8");
  $fiyat = $_POST['fiyat'];
  $fiyat=htmlentities($fiyat, ENT_QUOTES, "UTF-8");
  $adet = $_POST['adet'];
  $adet=htmlentities($adet, ENT_QUOTES, "UTF-8");
  $aciklama = $_POST['aciklama'];
  $aciklama=htmlentities($aciklama, ENT_QUOTES, "UTF-8");
  $tip = $_POST['tip'];
  $tip=htmlentities($tip, ENT_QUOTES, "UTF-8");
  $durum = $_POST['durum'];
  $durum=htmlentities($durum, ENT_QUOTES, "UTF-8");
  $alt_baslik=htmlentities($_POST['alt_baslik'], ENT_QUOTES, "UTF-8");
  $sira=htmlentities($_POST['sira'], ENT_QUOTES, "UTF-8");

if($_POST['mod']=="Api"){
  $api = $_POST['api'];
  $api=htmlentities($api, ENT_QUOTES, "UTF-8");
}
else{
	$api="Manuel";
}
  $id = $_POST['id'];
  $id=htmlentities($id, ENT_QUOTES, "UTF-8");
  
  
  $sorgu = @mysqli_query($baglanti,"select * from service where id ='$id'"); 
  $sonuc = $sorgu->fetch_assoc();

$servisid = $_POST['servisid'];
  $servisid=htmlentities($servisid, ENT_QUOTES, "UTF-8");
    if($servisid==Null){$servisid=0;}
	
	  $url=str_slug($_POST["servis"]);
     $data2=mysqli_query($baglanti,"select * from service where url='$url' and id!='$id'"); 
$data2=mysqli_fetch_array($data2);
if($data2["id"]!=Null){
    $url=$url."-".rand(1,999);
}
  if ($baglanti->query("UPDATE service SET  servisid='$servisid',servis='$servis',kate='$kate',fiyat='$fiyat',adet='$adet',aciklama='$aciklama',api='$api',tip='$tip',durum='$durum',url='$url',alt_baslik='$alt_baslik',sira='$sira' WHERE id='$id'"))
    { 
       header("Location: ?is=bas2");
	  exit;
    }

}
if(@$_POST["silid"]!=Null){
  $silid=htmlentities($_POST["silid"], ENT_QUOTES, "UTF-8");
  
      $baglanti->query("DELETE FROM service WHERE id='$silid'");
                     header("Location: ?is=bas3");
                        exit;
 
  
}
 ?>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.6.4/jquery.min.js" integrity="sha512-pumBsjNRGGqkPzKHndZMaAG+bir374sORyzM3uulLV14lN5LyykqNk8eEeUlUkB3U0M4FApyaHraT65ihJhDpQ==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>
      <div class="page-content-wrapper">
        <div class="page-content-wrapper-inner">
          <div class="content-viewport">
            <div class="row">
              <div class="col-12 py-5">
                <h4>Paketler 	<button type="button" class="btn btn-info btn-sm" data-toggle="modal" data-target="#myModal" style="float:right;">Paket Ekle</button></h4>

<div class="modal-content">
      <div class="modal-header">
        <h4 class="modal-title">Paket Ekle</h4>
        <button type="button" class="close" data-dismiss="modal">&times;</button>
      </div>
      <div class="modal-body m-3">
     <form method="post" action="">
                        <div class="form-group">
            <label for="subject" class="control-label">Paket Ad</label>
            <input type="text" class="form-control" required="" name="servis">
          </div>
                        <div class="form-group">
            <label for="subject" class="control-label">Paket Alt Başlık</label>
            <input type="text" class="form-control" required="" name="alt_baslik">
          </div>
                        <div class="form-group">
                          <label for="inputEmail1">Açıklama</label>
                          <textarea type="text" name="aciklama" rows="7" class="form-control"  id="summernote"></textarea>
                        </div>
						<input type="hidden" name="tip" value="1">
         
          <div class="form-group">
            <label for="subject" class="control-label">Mod</label>
            <select name="mod" class="form-control" required="" onchange="modcek(this.value)">
            <option value="Manuel">Manuel</option>
            <option value="Api">Api</option>
            </select>
          </div> 
          <div id="mod"></div>
            <div id="servis"></div>
          <div class="form-group">
            <label for="subject" class="control-label">Kategori</label>
            <select name="kate" class="form-control">
              <?php
                $destekcek=mysqli_query($baglanti,"select * from kategori  ORDER BY id DESC"); 
                        while($satir=mysqli_fetch_array($destekcek))
                        {
$dataid=$satir["platform"];
                         $data=mysqli_query($baglanti,"select * from platform where id='$dataid' ORDER BY id DESC"); 
                       $data=mysqli_fetch_array($data);
                           
                            echo '<option value="'.$satir['id'].'">'.$satir['ad'].' ('.$data["ad"].')</option>';

}
               ?>
            </select>
          </div>  <div id="fiyat">
          <div class="form-group">
            <label for="subject" class="control-label">Paket Fiyatı</label>
            <input type="text" class="form-control" pattern="[0-9.]*" required=""  name="fiyat">
          </div>
      
          <div class="form-group">
            <label for="subject" class="control-label">Paket Miktar</label>
            <input type="number" class="form-control" required=""  name="adet">
          </div>
		  </div>
                        <button type="submit" class="btn btn-sm btn-primary">Paket Oluştur</button>
                      </form>
      </div>
    </div>

</div>
</div>
              </div>
            </div>
            <div class="row">
			  <div class="col-md-12 equel-grid">
                <div class="grid">
                  <p class="grid-header">Paket Listesi</p>
                  <div class="grid-body">
             
				  <?php if(@$_GET["is"]=="bas"){
					echo '<div class="alert alert-success m-2">Paket başarıyla eklendi.</div>';  
				  }  if(@$_GET["is"]=="bas2"){
					echo '<div class="alert alert-success m-2">Paket başarıyla güncellendi.</div>';  
				  }   if(@$_GET["is"]=="bas3"){
					echo '<div class="alert alert-success m-2">Paket başarıyla silindi.</div>';  
				  } 
				  ?>
                  <div class="table-responsive">
                    <table class="table table-hover table-sm">
                      <thead>
                        <tr class="solid-header">
               <th class="service-block__id">ID</th>
                          <th>Platform Adı</th>
                          <th>Kategori Adı</th>
               <th class="service-block__service">Paket Ad </th>
               <th class="service-block__provider">Sağlayıcı</th>
               <th class="service-block__rate">Fiyat</th>
               <th class="service-block__minorder">Adet</th>
               <th class="service-block__minorder">Durum</th>
               <th class="service-block__action">İşlem</th>
                        </tr>
                      </thead>
                      <tbody>
					      <?php
                $destekcek=mysqli_query($baglanti,"select * from service  ORDER BY sira ASC"); 
                        while($satir=mysqli_fetch_array($destekcek))
                        {
							
							$dataaid=$satir["kate"];
                         $dataa=mysqli_query($baglanti,"select * from kategori where id='$dataaid' ORDER BY id DESC"); 
                       $dataa=mysqli_fetch_array($dataa);
							
							$dataid=$dataa["platform"];
                         $data=mysqli_query($baglanti,"select * from platform where id='$dataid' ORDER BY id DESC"); 
                       $data=mysqli_fetch_array($data);

$servis=$satir["id"];
        
                        	  $api=$satir["api"];
                        	  if($api=="Manuel"){
                              $apiad="Manuel";
                        	  }
                        	  elseif($satir["secim"]=="1"){
                              $apiad="Abonelik";
                        	  }
                        	  else{
								  $api=$satir["api"];
                    $katecek=mysqli_query($baglanti,"select * from api where id='$api' "); 
                    $katecek=mysqli_fetch_array($katecek);
                    $apiad=$katecek["ad"];
$say=0;

}

echo '   <tr id="serviceshowcategory-'.$satir["id"].'" class="ui-state-default " data-category="category-'.$satir["id"].'" data-id="'.$satir['id'].'" data-service="servv">
            
                                            <td class="service-block__id">'.$satir['id'].'</td>
                                            <td class="service-block__id">'.$data['ad'].'</td>
                                            <td class="service-block__id">'.$dataa['ad'].'</td>
                                            <td class="service-block__service">'.$satir['servis'].'</td>
                                            <td class="service-block__provider">'. $apiad.'</td>
                                            <td class="service-block__rate">
                                                                                             <div style="color: green">'.$satir['fiyat'].' TL</div>                                </td>
                                            <td class="service-block__minorder">
                                               <div>'.$satir['adet'].'</div>
                                                                        </td>
                                            <td class="service-block__minorder">
                                             '; 
                                             if($satir["durum"]=="1"){ echo'<div style="color:green;">Aktif</div>';} 
                                             if($satir["durum"]=="0"){ echo'<div style="color:red;">Pasif</div>';} echo'                                          </td>
                            
                          <td><button type="button" class="btn btn-info btn-sm" id="goruntule'.$satir["id"].'" data-toggle="modal" data-target="#myModal'.$satir['id'].'">Görüntüle</button>
						  <button type="button" class="btn btn-danger btn-sm" data-toggle="modal" data-target="#myModalsil'.$satir['id'].'">Sil</button></td>
                                                                                 </tr>
';

echo ' 
                        </tr>
<div id="myModal'.$satir['id'].'" class="modal fade" role="dialog">
  <div class="modal-dialog modal-lg">

<div class="modal-content">
      <div class="modal-header">
        <h4 class="modal-title">Paket Düzenle</h4>
        <button type="button" class="close" data-dismiss="modal">&times;</button>
      </div>
      <div class="modal-body m-3">
     <form method="post" action="">
	 <input type="hidden" value="'.$satir['id'].'" name="id">
	 ';
	 ?><div class="row"> <div class="col-md-4">
	    <div class="form-group">
            <label for="subject" class="control-label">Paket Ad</label>
            <input type="text" class="form-control" required="" value="<?php echo $satir["servis"]; ?>" name="servis">
          </div>
          </div>
		  <div class="col-md-4">
                        <div class="form-group">
            <label for="subject" class="control-label">Paket Alt Başlık</label>
            <input type="text" class="form-control" required="" value="<?php echo $satir["alt_baslik"]; ?>" name="alt_baslik">
          </div>
          </div>
		  <div class="col-md-4">
                        <div class="form-group">
            <label for="subject" class="control-label">Paket Sıra</label>
            <input type="number" class="form-control" required="" value="<?php echo $satir["sira"]; ?>" name="sira">
          </div>
          </div>
		  </div>
	   <div class="form-group">
                          <label for="inputEmail1">Açıklama</label>
                          <textarea type="text" name="aciklama" rows="7" class="form-control"  id="summernote<?php echo $satir["id"];?>"><?php echo html_entity_decode($satir["aciklama"]); ?></textarea>
                        </div>
						<input type="hidden" name="tip" value="1">
       
          <div class="form-group">
            <label for="subject" class="control-label">Durum</label>
            <select name="durum" class="form-control" required="">
            <?php  if($satir["durum"]=="0"){
            		echo '	
            <option value="0">Pasif</option>
            <option value="1">Aktif</option>';
            	} 
            	else{
            		echo '
            <option value="1">Aktif</option>
            <option value="0">Pasif</option>';
            	} ?>
            </select>
          </div> 
          <div class="form-group">
            <label for="subject" class="control-label">Mod</label>
            <select name="mod" class="form-control" required="" onchange="modceka<?php echo $satir["id"];?>(this.value)">
            	<?php if($satir["api"]=="Manuel"){
            		echo '
            <option value="Manuel">Manuel</option>
            <option value="Api">Api</option>';
            	}
            	else{
            		echo '
            <option value="Api">Api</option>
            <option value="Manuel">Manuel</option>';
            	} ?>
            </select>
          </div> 
          <div id="moda<?php echo $satir["id"];?>">
          	<?php if($satir["api"]!="Manuel"){ ?>
  <div class="form-group">
            <label for="subject" class="control-label">Api</label>
            <select name="api" class="form-control" onchange="servisceka<?php echo $satir["id"];?>(this.value)">
              <?php
              $kate= $satir["api"];
          $destekceka=mysqli_query($baglanti,"select * from api where id='$kate'"); 
          $satira=mysqli_fetch_array($destekceka);
          echo '<optgroup label="Sağlayıcılar">';
                $destekceka=mysqli_query($baglanti,"select * from api  ORDER BY id DESC"); 
                        while($satira=mysqli_fetch_array($destekceka))
                        {

if ($satir["id"] == $satira["id"]) {

echo '<option value="'.$satira['id'].'" selected>'.$satira['ad'].'</option>';

} else {

echo '<option value="'.$satira['id'].'">'.$satira['ad'].'</option>';

}

}echo '</optgroup>';
               ?>
            </select>
          </div>

<?php } ?>
          </div>

$.ajax({
                        url: "ajax.php",
                        type: "POST",
                        data: {
                            servis: "<?=$satir["api"]?>",
                            ek: "a<?=$satir["id"]?>",
                            ok: "<?=$satir["servisid"]?>"
                        },
                        success: function(data) {

$("#servisa<?=$satir['id']?>").html(data);

$("[onchange='servisfiyata<?=satir["id"]?>(this.value)']").val("<?=$satir['id']?>");

}
                    })

})
          </script>

<div id="servisa<?php echo $satir["id"];?>">
            	   	<?php if($satir["api"]!="Manuel"){   
            	   		$servis=$satir["api"];
            	   		$sorgu2 = @mysqli_query($baglanti,"select * from api where id ='$servis'");

$sonuc2 = $sorgu2->fetch_assoc();
  if($sonuc2["id"]==Null){
  	echo '<div class="alert alert-danger text-center">Bu servisin apisi silinmiş!</div>';
 
  }
  else{
  $api = new Api($sonuc2['api'], $sonuc2['anahtar']);
      
$services = (array)$api->services(); 
$say=0;
echo'
          <div class="form-group">
            <label for="subject" class="control-label">Sağlayıcı Servis ID</label>
            <div id="servisa'; echo $satir["id"]; echo'"></div>
             <select name="servisid" class="form-control">
          ';
          while(@$services[$say]->service!=Null){
          	if($satir["api"]==$services[$say]->service){
echo '<option value="'.$services[$say]->service.'">'.$services[$say]->name.'</option>';
break;
}
  $say++;
}
      $say=0;
         echo '<optgroup label="Servisler">';
while(@$services[$say]->service!=Null){
echo '<option value="'.$services[$say]->service.'">'.$services[$say]->name.'</option>';
  $say++;
}
echo '</optgroup>';
  echo '</select></div>';} } ?>
            </div>
        
          <div class="form-group">
            <label for="subject" class="control-label">Kategori</label>
            <select name="kate" class="form-control">
              <?php
              $kate= $satir["kate"];
          $destekceka=mysqli_query($baglanti,"select * from kategori where id='$kate'"); 
          $satira=mysqli_fetch_array($destekceka);
                           $dataid=$satira["platform"];
                         $data=mysqli_query($baglanti,"select * from platform where id='$dataid' ORDER BY id DESC"); 
                       $data=mysqli_fetch_array($data);
          echo '<option value="'.$satira['id'].'">'.$satira['ad'].' ('.$data["ad"].')</option><optgroup label="Kategoriler">';
                $destekceka=mysqli_query($baglanti,"select * from kategori  ORDER BY id DESC"); 
                        while($satira=mysqli_fetch_array($destekceka))
                        {

$dataid=$satira["platform"];
                         $data=mysqli_query($baglanti,"select * from platform where id='$dataid' ORDER BY id DESC"); 
                       $data=mysqli_fetch_array($data);
                           
                            echo '<option value="'.$satira['id'].'">'.$satira['ad'].' ('.$data["ad"].')</option>';

}echo '</optgroup>';
               ?>
            </select>
          </div>
          <div class="form-group">
            <label for="subject" class="control-label">Paket Fiyatı</label>
            <input type="text" class="form-control" required="" pattern="[0-9.]*" value="<?php echo $satir["fiyat"] ?>"  name="fiyat">
          </div>
          <div class="form-group">
            <label for="subject" class="control-label">Paket Miktar</label>
            <input type="number" class="form-control" required="" value="<?php echo $satir["adet"] ?>"  name="adet">
          </div>
		  <?php echo '
                        <button type="submit" class="btn btn-sm btn-primary">Güncelle</button>
                      </form>
      </div>
    </div>

</div>
</div>
<div id="myModalsil'.$satir['id'].'" class="modal fade" role="dialog">
  <div class="modal-dialog">

<div class="modal-content">
      <div class="modal-header">
        <h4 class="modal-title">Paket Sil</h4>
        <button type="button" class="close" data-dismiss="modal">&times;</button>
      </div>
      <div class="modal-body m-3">
	  <div class="alert alert-warning">'.$satir['ad'].' isimli paketi silmek istediğinize emin misiniz?</div>
     <form method="post" action="">
	 <input type="hidden" value="'.$satir['id'].'" name="silid">
                        <button type="submit" class="btn btn-sm btn-block btn-danger">Paket Sil</button>
                      </form>
      </div>
    </div>

</div>
</div>';

}
               ?>
                      
                      </tbody>
                    </table>
                  </div>     </div>
                </div>
              </div>
            </div>
          </div>
        </div>
		
     <?php include("footer.php"); ?>
	 <script>
	                                               function serviscek(secid) {

$.post("ajax.php", {
                        'servis': secid
                    }, function (donenVeri) {

$("#servis").html(donenVeri);
   
$("#fiyat").html("");
                    });

} 
	                                               function tipcek(secid) {

$.post("ajax.php", {
                        'tip': secid
                    }, function (donenVeri) {

$("#tip").html(donenVeri);
   
                    });

}
	                                               function servisfiyat(secid) {

api=document.getElementById("apidata").value;
            $.post("ajax.php", {
                        'fiyat': secid,
                        'api' : api
                    }, function (donenVeri) {

$("#fiyat").html(donenVeri);
   
                    });

}                                             function serviscek2(secid) {

$.post("ajax.php", {
                        'servis2': secid
                    }, function (donenVeri) {

$("#servis2").html(donenVeri);
   
                    });

}                                  function modcek(secid) {

$.post("ajax.php", {
                        'mod': secid
                    }, function (donenVeri) {
if(donenVeri==0){ 
    $.post("ajax.php", {
                        'ozel': "1"
                    }, function (donenVeri) {

$("#ozel").html(donenVeri);
$("#mod").html("");
$("#servis").html("");
$("#fiyat").html("");
       $.post("ajax.php", {
                        'fiyat': "0"
                    }, function (donenVeri) {

$("#fiyat").html(donenVeri);
   
                    });
                    });
}
else{

$("#mod").html(donenVeri);
$("#servis").html("");
$("#ozel").html("");
$("#fiyat").html("");
}
   
                    });

}         
	<?php 
	  
                $destekcek=mysqli_query($baglanti,"select * from service  ORDER BY id DESC"); 
                        while($satir=mysqli_fetch_array($destekcek))
                        {
							?>
							      function servisceka<?php echo $satir["id"];?>(secid) {

$.post("ajax.php", {
                        'servis': secid,
						'ek': 'a<?php echo $satir["id"];?>'
                    }, function (donenVeri) {

$("#servisa<?php echo $satir["id"];?>").html(donenVeri);
   
$("#fiyata<?php echo $satir["id"];?>").html("");
                    });

} 
	                                               function tipceka<?php echo $satir["id"];?>(secid) {

$.post("ajax.php", {
                        'tip': secid
                    }, function (donenVeri) {

$("#tipa<?php echo $satir["id"];?>").html(donenVeri);
   
                    });

}
	                                               function servisfiyata<?php echo $satir["id"];?>(secid) {

$("#fiyata<?php echo $satir["id"];?>").html(donenVeri);
   
                    });

}                                             function serviscek2a<?php echo $satir["id"];?>(secid) {

$.post("ajax.php", {
                        'servis2': secid
                    }, function (donenVeri) {

$("#servis2a<?php echo $satir["id"];?>").html(donenVeri);
   
                    });

}                                  function modceka<?php echo $satir["id"];?>(secid) {

$.post("ajax.php", {
                        'moda2': secid,
						'ek': 'a<?php echo $satir["id"];?>'
                    }, function (donenVeri) {
if(donenVeri==0){ 
    $.post("ajax.php", {
                        'ozel': "1"
                    }, function (donenVeri) {

$("#ozela<?php echo $satir["id"];?>").html(donenVeri);
$("#moda<?php echo $satir["id"];?>").html("");
$("#servisa<?php echo $satir["id"];?>").html("");
$("#fiyata<?php echo $satir["id"];?>").html("");
       $.post("ajax.php", {
                        'fiyat': "0"
                    }, function (donenVeri) {

$("#fiyata<?php echo $satir["id"];?>").html(donenVeri);
   
                    });
                    });
}
else{

$("#moda<?php echo $satir["id"];?>").html(donenVeri);
$("#servisa<?php echo $satir["id"];?>").html("");
$("#ozela<?php echo $satir["id"];?>").html("");
$("#fiyata<?php echo $satir["id"];?>").html("");
}
   
                    });

}         
  <?php
							
							
						}
						
						?>
      </script>

})
  
</script>
      <?php
                $destekcek=mysqli_query($baglanti,"select * from service  ORDER BY id DESC"); 
                        while($satir=mysqli_fetch_array($destekcek))
                        {
							?>
								  <script>
  $(function () {
    $('#summernote<?php echo $satir["id"];?>').summernote({
    height:200,
    callbacks: {
        onImageUpload: function(files, editor, welEditable) {
            sendFile<?php echo $satir["id"];?>(files[0], editor, welEditable);
        }
    }
  });
    function sendFile<?php echo $satir["id"];?>(file, editor, welEditable) {
    data = new FormData();
    data.append("file", file);
    $.ajax({
      data: data,
      type: "POST",
      url: "<?=$site;?>admin/upload.php",
      cache: false,
      contentType: false,
      processData: false,
      success: function(url) {
        $('#summernote<?php echo $satir["id"];?>').summernote('insertImage', url);
      }
    });
  }

})
  
</script>
						<?php } ?>

İptal

📁 PHP Dosya Yöneticisi

📝 paketler.php

📝 paketler.php

📝 Yeniden Adlandır

🔐 Dosya İzinleri (chmod)