}//For windows servers and safe_mode "on" installations we'll actually//write a file then read it. Bah...if(is_dir($file)){ $file= rtrim($file,"/")."/".md5(mt_rand(1,100).mt_rand(1,100));if(($fp = @fopen($file, FOPEN_WRITE_CREATE)) ===FALSE){returnFALSE; } fclose...
在从“PHP writes data to temp file”到“php removes temp files(if any)”这两个操作之间的这段时间,我们可以包含这个临时文件,最后完成getshell操作。但这里面暗藏了一个大坑就是,临时文件的文件名我们是不知道的。 所以这个利用的条件就是,需要有一个地方能获取到文件名,例如phpinfo。phpinfo页面中会输出这...
selectc1, (casewhenc2 =''orc2isnullthen'default-value'elsec2end) fromtest; 我们先举一些例子: mysql>SELECTIFNULL(1,0); +---+ | IFNULL(1,0) | +---+ | 1 | +---+ 1 rowinset 由于expr1 是 1,不为 NULL,所以函数返回 1,我们可以再试下,如果让 expr1 为 NULL,是否能返回第二个参...
key EOF fi rpm -qa |grep nginx &> /dev/null if [ ! $? -eq 0 ] ;then echo "dafew" yum -y install nginx fi sed -ri '/ *# *proxy *the *PHP/,/ *# *proxy_pass/ d' /etc/nginx/conf.d/default.conf sed -ri '/ *#location/,/ *#\}/ s/( *)#/\1/' /etc/nginx/...
readTimeout: float, value in seconds (default is 0 meaning unlimited) persistent: mixed, if value is string then it used as persistent id, else value casts to boolean auth: mixed, authentication information database: int, database number ssl: array, SSL context options Class RedisException p...
// $double = Mockery::mock()->shouldIgnoreMissing();$double = Mockery::spy(); $double->foo();// null$double->bar();// null Further to this, sometimes we want to have the object accept any call during the test execution and then verify the calls afterwards. For these purposes, we...
function is_validemail($email) { $check = 0; if(filter_var($email,FILTER_VALIDATE_EMAIL)) { $check = 1; } return $check; } 语法: <?php $email = "blog@koonk.com"; $check = is_validemail($email); echo $check; // If the output is 1, then email is valid. ?> 10. 获取用...
The method should then return an implementation of UserInterface. This method should not attempt to do any password validation or authentication.The validateCredentials method should compare the given $user with the $credentials to authenticate the user. For example, this method might compare the ...
5return$this->createNullDriver($config); 6} 7}); Cashier If you are using Cashier, you should upgrade yourlaravel/cashierpackage to the~7.0release. This release of Cashier only upgrades a few internal methods to be compatible with Laravel 5.3 and is not a breaking change. ...
<?phpif(isset($_POST['CTF_SHOW.COM'])){ echo 123;} 1. 2. 3. 4. 输出结果 CTF%=123 1. 具体的原理尚不清楚 另外一个知识点 1、cli模式(命令行)下 第一个参数$_SERVER['argv'][0]是脚本名,其余的是传递给脚本的参数2、web网页模式下 在web页模式下必须在php.ini开启register_argc_argv配置...