发现拥有者确实是seed,但是虽然这个进程的有效用户ID是 seed ,但是该进程仍然拥有特权,我们可以以普通用户的身份将恶意代码写入/etc/zzz文件中,这个过程需要利用文件描述符fd。 我们可以使用echo "You have been hacked!!" >& 3,将这段话通过文件描述符写入/etc/zzz: 可以发现成功写入了文件。 原理: 虽然代码中...
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I have a DataFrame that looks like: this gives me what I am trying to do is to combine the Route and coupon data to be So Far I have been able to group by ticket since its the obivous common identifie... JVM(三):Java虚拟机栈概述、栈帧、栈帧中的局部变量表 ...
I was inspired to design a gradual unfolding master plan. Within the village-esque nursery that has been built over the years, stories have continued to be woven, and will create a more dynamic and interactive relationship with the neighborhood and its surroundings. ...
/• If the system app is both scanned and in the • disabled packages list, then it must have been • added via OTA. Remove it from the currently • scanned package so the previously user-installed • application can be scanned. ...
IfserialVersinUIDis static, then it should not have been serialized in the first place, and there should be no information about the previous value 1 during the deserialization, right? Well,serialVersionUIDis an exception to the rule that “static fields don’t get serialized”.ObjectOutputStrea...
ParallelPackageParser.ParseResult parseResult = parallelPackageParser.take(); Throwable throwable = parseResult.throwable; int errorCode = PackageManager.INSTALL_SUCCEEDED; if (throwable == null) { // TODO(toddke): move lower in the scan chain // Static shared libraries have synthetic package ...
aI look forward to a harmonious society, if tomorrow Who Moved My Cheese, I no longer harmonious. ~ 我盼望一个和谐社会,如果明天谁移动了我的乳酪,不再I和谐。 ~[translate] athe court finds 法院发现[translate] abeen carried out in collaboration with eight Italian SMEs, 被执行与八个意大利SMEs合...
I ran into the following code in an old exam of the C course I'm taking: I have no idea what the syntax "char q1:1" means, and I haven't been able to find it anywhere in "The C Programm... DI with constructor injection: Am I injecting too many services?
how can I set my document id as user uid in cloud fire store? import 'package:cloud_firestore/cloud_firestore.dart'; import 'package:flutter/material.dart'; import 'package:firebase_core/firebase_core.dart'; import 'package:provider/provider.dart'; void main() async { WidgetsFlutterBinding....