原文出處:http://gbk.chinaunix.net/uid-22322105-id-3062789.html
系統環境:ubuntu11.10/apache2/php5.3.6
在LAMP環境中,測試一個簡單的php文件上傳功能時,發現/var/log/apache2/error.log中出現如下php警告:
[Tue Jan 31 09:40:27 2012][error] [client 127.0.0.1] PHP Warning: move_uploaded_file(/home/leotody/32883679.jpeg): failed to open stream: Permission denied in /var/www/upload_file.php on line 25, referer: http://localhost/info.html
[Tue Jan 31 09:40:27 2012][error] [client 127.0.0.1] PHP Warning: move_uploaded_file(): Unable to move '/tmp/phps05ssU' to '/home/leotody/32883679.jpeg' in /var/www/upload_file.php on line 25, referer: http://localhost/info.html
提示沒有訪問權限,文件上傳的代碼如下:if (file_exists("upload/". $_FILES["file"]["name"])) { echo $_FILES["file"]["name"]. " already exists. "; } else { if(move_uploaded_file($_FILES["file"]["tmp_name"],"upload/".$_FILES["file"]["name"])) { echo "Stored in: ". "upload/". $_FILES["file"]["name"]; } else { echo "move error!"; } }
通過查找資料,發現網上有說是selinux啓動的原因,檢查系統並未啓動selinux,查看upload目錄默認權限ls -ld upload,結果爲755:
drwxr-xr-x 2 root root 4096 2012-01-31 10:59 upload
故可以改upload目錄的擁有者爲www-data(即apache)
sudo chown -R www-data:www-data upload
然後再測試上傳功能成功。drwxr-xr-x 2 www-data www-data 4096 2012-01-31 10:59 upload