Re: cannot figure out permissions for fopen/fwrite

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Shawn McKenzie wrote:
> Mari Masuda wrote:
>> Hello,
>>
>> This is probably a dumb newbie question.  I am running PHP 5.2.5 and
>> Apache 2.2.8 on my Mac Book Pro OS X 10.4.11.  I compiled PHP and Apache
>> from source a while ago (as opposed to using the built-in web server
>> that is included w/ Mac OS X).  I have written the below PHP whose
>> purpose is to read an existing comma separated (CSV) file and save the
>> data into a text file that I can later copy and paste from into my
>> website content management system.  The problem is that on my Mac, I
>> cannot seem to figure out what permissions I need to set in order to
>> make the input CSV and the initially non-existant output text file
>> readable and writable by Apache/PHP.  I have Googled and come across
>> many pages about different ways to set permissions and different
>> permissions to set but none of the ways suggested that I tried seemed to
>> work for me.  As a temporary solution, I uploaded my PHP file to a
>> Windows 2003 server running Apache and PHP and it worked flawlessly (and
>> makes me suspicious that there is some huge security hole with the
>> Windows box since it was able to execute with no permissions
>> modifications).  Any tips would be greatly appreciated.  Thanks!
>>
>> Mari
>>
>> --- start my code ---
>> <?php
>>
>>     $in = fopen("/Applications/apache/htdocs/wp-php/wp.csv", "r");
>>     $out =
>> fopen("/Applications/apache/htdocs/wp-php/tableToCutAndPaste.txt", "w");
>>     $counter = 0;
>>
>>
>>     fwrite($out, "<table>\n");
>>
>>     while(($data = fgetcsv($in)) !== FALSE) {
>>         $paperNumber = $data[0];
>>         $authors = $data[1];
>>         $title = $data[2];
>>         $filename = $paperNumber . ".pdf";
>>
>>         if(($counter % 2) == 0) {
>>             fwrite($out, "<tr>\n");
>>         } else {
>>             fwrite($out, "<tr style=\"background: #cccccc;\">\n");       
>>         }
>>
>>         fwrite($out, "<td><a
>> href=\"http://www.example.com/workingpapers/getWorkingPaper.php?filename=$filename\";>$paperNumber</a></td>\n");
>>
>>         fwrite($out, "<td>$authors</td>\n");
>>         fwrite($out, "<td>$title</td>\n");
>>         fwrite($out, "</tr>\n");
>>
>>         $counter++;
>>     }
>>
>>     fwrite($out, "</table>\n");
>>
>>
>>     fclose($in);
>>     fclose($out);
>>
>> ?>
>> --- end my code ---
> 
> What are the permissions on /Applications/apache/htdocs/wp-php/ ?
> 
> Apache needs write permissions on that dir in order to create the file
> tableToCutAndPaste.txt.
> 
> It's probably not a secure idea to give write permissions to that dir,
> so maybe create a subdir of tmp and change those permissions (one way):
> 
> mkdir /Applications/apache/htdocs/wp-php/tmp
> chmod a+w /Applications/apache/htdocs/wp-php/tmp
> 

Also, turn on error reporting so that you can see the exact problem.  It
may not be what you think.

-- 
Thanks!
-Shawn
http://www.spidean.com

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