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File upload not recognized.

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File upload not recognized. Having problems with a PHP script you are coding? This is the place to get help!

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  #1  
Old September 12th, 2002, 04:07 PM
bmhm bmhm is offline
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File upload not recognized.
I have a simple script which uploads a single file. It works great on another server, but not this one. Here is the script

Code:
<?php

if (is_uploaded_file($_FILES['filename']['tmp_name']))
   {
	$filename = $_FILES['filename']['tmp_name'];
	$realname = $_FILES['filename']['name'];
	copy($_FILES['filename']['tmp_name'], $realname);
   }
   else
   {
      echo "Possible file upload attack: filename".$_FILES['userfile']['name'].".";
   }
?>


It goes directly to the else in this statement. I then tried printing the $_FILES['filename']['tmp_name']; stuff and there is nothing in the there.

Any ideas why it is not recognizing the file.

Also I checked the variables in the phpinfo and the variable from the form is adding on an extra backslash. see below.

C:\stuff\file.cvs

That double \ before file should not be there. COuld this be causing the problem?
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  #2  
Old September 12th, 2002, 05:33 PM
notepad notepad is offline
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RE: File upload not recognized.
what version of PHP is running on this new server? is_uploaded_file() is available only in versions of PHP 3 after PHP 3.0.16, and in versions of PHP 4 after 4.0.2. extra slashes could definately be causing a problem, yah.. also the "$_FILES" was introduced in PHP 4.1.0 - in earlier versions, use $HTTP_POST_FILES.
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  #3  
Old September 12th, 2002, 06:01 PM
bmhm bmhm is offline
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RE: File upload not recognized.
I have the version of PHP 4.2.2.

I belive that the double slashed are the main problem. How do I fix that?
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  #4  
Old September 12th, 2002, 06:38 PM
notepad notepad is offline
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RE: File upload not recognized.
can we see some more code please? the html form and the code which processes it.. gotta know exactly where the slash is being added in order to fix it
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  #5  
Old September 13th, 2002, 03:04 PM
bmhm bmhm is offline
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Here is the html part
Code:
	
<form name="form1" method="post" action="upload.php">
	<table width="500" border="0" align="center" cellpadding="1" cellspacing="0">
		<tr> 
		<td><p align="center"><font color="#336699" size="4" face="Arial, Helvetica, sans-serif"><strong>Upload File</strong></font></p></td>
		</tr>
		<tr>
                <td bgcolor="#336699">
		<table width="100%" border="0" align="center" cellpadding="0" cellspacing="0">
			<tr> 
			<td width="29%" height="40" align="right" bgcolor="#FFFFFF"><font size="2" face="Arial, Helvetica, sans-serif">File: </font></td>
			<td width="71%" height="40"  bgcolor="#FFFFFF"> &nbsp;&nbsp;&nbsp; <input type="file" name="filename"> </td>
                </tr>
		<tr valign="top">
                <td height="40" colspan="2" align="center" bgcolor="#FFFFFF"><input type="submit" name="Submit" value="Upload"></td>
                </tr></table></td></tr></table>
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  #6  
Old September 13th, 2002, 03:21 PM
notepad notepad is offline
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RE: File upload not recognized.
couple things right off the bat.. i can't see where any slashes are being added but your form tag should include the enctype: <form enctype="multipart/form-data">

you should specify the max size allowed: <input type="hidden" name="MAX_FILE_SIZE" value="1000">

all kinds of additional uploading information can be found here
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  #7  
Old September 13th, 2002, 04:07 PM
bmhm bmhm is offline
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RE: File upload not recognized.
Thank you the <form enctype="multipart/form-data"> was what was missing. It works beautiful now.

Good Job!
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