IT CRASHES!

This commit is contained in:
JFronny 2020-08-06 20:47:44 +02:00
commit ae4e67701d
25 changed files with 939 additions and 0 deletions

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# User-specific stuff
.idea/
*.iml
*.ipr
*.iws
# IntelliJ
out/
# mpeltonen/sbt-idea plugin
.idea_modules/
# JIRA plugin
atlassian-ide-plugin.xml
# Compiled class file
*.class
# Log file
*.log
# BlueJ files
*.ctxt
# Package Files #
*.jar
*.war
*.nar
*.ear
*.zip
*.tar.gz
*.rar
# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
hs_err_pid*
*~
# temporary files which can be created if a process still has a handle open of a deleted file
.fuse_hidden*
# KDE directory preferences
.directory
# Linux trash folder which might appear on any partition or disk
.Trash-*
# .nfs files are created when an open file is removed but is still being accessed
.nfs*
# General
.DS_Store
.AppleDouble
.LSOverride
# Icon must end with two \r
Icon
# Thumbnails
._*
# Files that might appear in the root of a volume
.DocumentRevisions-V100
.fseventsd
.Spotlight-V100
.TemporaryItems
.Trashes
.VolumeIcon.icns
.com.apple.timemachine.donotpresent
# Directories potentially created on remote AFP share
.AppleDB
.AppleDesktop
Network Trash Folder
Temporary Items
.apdisk
# Windows thumbnail cache files
Thumbs.db
Thumbs.db:encryptable
ehthumbs.db
ehthumbs_vista.db
# Dump file
*.stackdump
# Folder config file
[Dd]esktop.ini
# Recycle Bin used on file shares
$RECYCLE.BIN/
# Windows Installer files
*.cab
*.msi
*.msix
*.msm
*.msp
# Windows shortcuts
*.lnk
.gradle
build/
# Ignore Gradle GUI config
gradle-app.setting
# Cache of project
.gradletasknamecache
**/build/
# Common working directory
run/
# Avoid ignoring Gradle wrapper jar file (.jar files are usually ignored)
!gradle-wrapper.jar
# No temporary natives!
src/main/c/natives.dll

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The MIT License (MIT)
Copyright (c) 2020 JFronny
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

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build.gradle Normal file
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plugins {
id 'fabric-loom' version '0.5-SNAPSHOT'
id 'maven-publish'
}
sourceCompatibility = JavaVersion.VERSION_1_8
targetCompatibility = JavaVersion.VERSION_1_8
archivesBaseName = project.archives_base_name
version = project.mod_version
group = project.maven_group
dependencies {
//to change the versions see the gradle.properties file
minecraft "com.mojang:minecraft:${project.minecraft_version}"
mappings "net.fabricmc:yarn:${project.yarn_mappings}:v2"
modImplementation "net.fabricmc:fabric-loader:${project.loader_version}"
// Fabric API. This is technically optional, but you probably want it anyway.
modImplementation "net.fabricmc.fabric-api:fabric-api:${project.fabric_version}"
// PSA: Some older mods, compiled on Loom 0.2.1, might have outdated Maven POMs.
// You may need to force-disable transitiveness on them.
modApi "me.sargunvohra.mcmods:autoconfig1u:3.2.0-unstable"
include "me.sargunvohra.mcmods:autoconfig1u:3.2.0-unstable"
modApi "me.shedaniel.cloth:config-2:4.6.0"
include "me.shedaniel.cloth:config-2:4.6.0"
modImplementation "io.github.prospector:modmenu:1.14.5+build.30"
}
processResources {
inputs.property "version", project.version
from(sourceSets.main.resources.srcDirs) {
include "fabric.mod.json"
expand "version": project.version
}
from(sourceSets.main.resources.srcDirs) {
exclude "fabric.mod.json"
}
}
// ensure that the encoding is set to UTF-8, no matter what the system default is
// this fixes some edge cases with special characters not displaying correctly
// see http://yodaconditions.net/blog/fix-for-java-file-encoding-problems-with-gradle.html
tasks.withType(JavaCompile) {
options.encoding = "UTF-8"
}
// Loom will automatically attach sourcesJar to a RemapSourcesJar task and to the "build" task
// if it is present.
// If you remove this task, sources will not be generated.
task sourcesJar(type: Jar, dependsOn: classes) {
classifier = "sources"
from sourceSets.main.allSource
}
jar {
from "LICENSE"
}
// configure the maven publication
publishing {
publications {
mavenJava(MavenPublication) {
// add all the jars that should be included when publishing to maven
artifact(remapJar) {
builtBy remapJar
}
artifact(sourcesJar) {
builtBy remapSourcesJar
}
}
}
// select the repositories you want to publish to
repositories {
// uncomment to publish to the local maven
// mavenLocal()
}
}

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gradle.properties Normal file
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# Done to increase the memory available to gradle.
org.gradle.jvmargs=-Xmx1G
# Fabric Properties
# check these on https://modmuss50.me/fabric.html
minecraft_version=1.16.1
yarn_mappings=1.16.1+build.21
loader_version=0.9.0+build.204
# Mod Properties
mod_version=1.0
maven_group=io.gitlab.jfronny.breakme
archives_base_name=breakme
# Dependencies
# check this on https://modmuss50.me/fabric.html
fabric_version=0.16.2+build.385-1.16.1

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gradle/wrapper/gradle-wrapper.jar vendored Normal file

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distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
distributionUrl=https\://services.gradle.org/distributions/gradle-6.5.1-bin.zip
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists

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#!/usr/bin/env sh
#
# Copyright 2015 the original author or authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
##############################################################################
##
## Gradle start up script for UN*X
##
##############################################################################
# Attempt to set APP_HOME
# Resolve links: $0 may be a link
PRG="$0"
# Need this for relative symlinks.
while [ -h "$PRG" ] ; do
ls=`ls -ld "$PRG"`
link=`expr "$ls" : '.*-> \(.*\)$'`
if expr "$link" : '/.*' > /dev/null; then
PRG="$link"
else
PRG=`dirname "$PRG"`"/$link"
fi
done
SAVED="`pwd`"
cd "`dirname \"$PRG\"`/" >/dev/null
APP_HOME="`pwd -P`"
cd "$SAVED" >/dev/null
APP_NAME="Gradle"
APP_BASE_NAME=`basename "$0"`
# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
# Use the maximum available, or set MAX_FD != -1 to use that value.
MAX_FD="maximum"
warn () {
echo "$*"
}
die () {
echo
echo "$*"
echo
exit 1
}
# OS specific support (must be 'true' or 'false').
cygwin=false
msys=false
darwin=false
nonstop=false
case "`uname`" in
CYGWIN* )
cygwin=true
;;
Darwin* )
darwin=true
;;
MINGW* )
msys=true
;;
NONSTOP* )
nonstop=true
;;
esac
CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
# Determine the Java command to use to start the JVM.
if [ -n "$JAVA_HOME" ] ; then
if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
# IBM's JDK on AIX uses strange locations for the executables
JAVACMD="$JAVA_HOME/jre/sh/java"
else
JAVACMD="$JAVA_HOME/bin/java"
fi
if [ ! -x "$JAVACMD" ] ; then
die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
else
JAVACMD="java"
which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
# Increase the maximum file descriptors if we can.
if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
MAX_FD_LIMIT=`ulimit -H -n`
if [ $? -eq 0 ] ; then
if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
MAX_FD="$MAX_FD_LIMIT"
fi
ulimit -n $MAX_FD
if [ $? -ne 0 ] ; then
warn "Could not set maximum file descriptor limit: $MAX_FD"
fi
else
warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
fi
fi
# For Darwin, add options to specify how the application appears in the dock
if $darwin; then
GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
fi
# For Cygwin or MSYS, switch paths to Windows format before running java
if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
APP_HOME=`cygpath --path --mixed "$APP_HOME"`
CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
JAVACMD=`cygpath --unix "$JAVACMD"`
# We build the pattern for arguments to be converted via cygpath
ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
SEP=""
for dir in $ROOTDIRSRAW ; do
ROOTDIRS="$ROOTDIRS$SEP$dir"
SEP="|"
done
OURCYGPATTERN="(^($ROOTDIRS))"
# Add a user-defined pattern to the cygpath arguments
if [ "$GRADLE_CYGPATTERN" != "" ] ; then
OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
fi
# Now convert the arguments - kludge to limit ourselves to /bin/sh
i=0
for arg in "$@" ; do
CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option
if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition
eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
else
eval `echo args$i`="\"$arg\""
fi
i=`expr $i + 1`
done
case $i in
0) set -- ;;
1) set -- "$args0" ;;
2) set -- "$args0" "$args1" ;;
3) set -- "$args0" "$args1" "$args2" ;;
4) set -- "$args0" "$args1" "$args2" "$args3" ;;
5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
esac
fi
# Escape application args
save () {
for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
echo " "
}
APP_ARGS=`save "$@"`
# Collect all arguments for the java command, following the shell quoting and substitution rules
eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
exec "$JAVACMD" "$@"

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@rem
@rem Copyright 2015 the original author or authors.
@rem
@rem Licensed under the Apache License, Version 2.0 (the "License");
@rem you may not use this file except in compliance with the License.
@rem You may obtain a copy of the License at
@rem
@rem https://www.apache.org/licenses/LICENSE-2.0
@rem
@rem Unless required by applicable law or agreed to in writing, software
@rem distributed under the License is distributed on an "AS IS" BASIS,
@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@rem See the License for the specific language governing permissions and
@rem limitations under the License.
@rem
@if "%DEBUG%" == "" @echo off
@rem ##########################################################################
@rem
@rem Gradle startup script for Windows
@rem
@rem ##########################################################################
@rem Set local scope for the variables with windows NT shell
if "%OS%"=="Windows_NT" setlocal
set DIRNAME=%~dp0
if "%DIRNAME%" == "" set DIRNAME=.
set APP_BASE_NAME=%~n0
set APP_HOME=%DIRNAME%
@rem Resolve any "." and ".." in APP_HOME to make it shorter.
for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
@rem Find java.exe
if defined JAVA_HOME goto findJavaFromJavaHome
set JAVA_EXE=java.exe
%JAVA_EXE% -version >NUL 2>&1
if "%ERRORLEVEL%" == "0" goto init
echo.
echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:findJavaFromJavaHome
set JAVA_HOME=%JAVA_HOME:"=%
set JAVA_EXE=%JAVA_HOME%/bin/java.exe
if exist "%JAVA_EXE%" goto init
echo.
echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:init
@rem Get command-line arguments, handling Windows variants
if not "%OS%" == "Windows_NT" goto win9xME_args
:win9xME_args
@rem Slurp the command line arguments.
set CMD_LINE_ARGS=
set _SKIP=2
:win9xME_args_slurp
if "x%~1" == "x" goto execute
set CMD_LINE_ARGS=%*
:execute
@rem Setup the command line
set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
@rem Execute Gradle
"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
:end
@rem End local scope for the variables with windows NT shell
if "%ERRORLEVEL%"=="0" goto mainEnd
:fail
rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
rem the _cmd.exe /c_ return code!
if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
exit /b 1
:mainEnd
if "%OS%"=="Windows_NT" endlocal
:omega

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pluginManagement {
repositories {
jcenter()
maven {
name = 'Fabric'
url = 'https://maven.fabricmc.net/'
}
gradlePluginPortal()
}
}

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src/main/c/build.bat Normal file
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@echo off
echo --------------------------------------------------------
echo THIS SHOULD MOST LIKELY BE MODIFIED FOR YOUR ENVIRONMENT
echo --------------------------------------------------------
cl .\io_gitlab_jfronny_breakme_breakme_NativeCrash.cpp /I"C:\Program Files\Java\jdk-14.0.1\include" /I"C:\Program Files\Java\jdk-14.0.1\include\win32" -Fenatives.dll -MD -LD
del .\natives.exp
del .\natives.lib
del .\io_gitlab_jfronny_breakme_breakme_NativeCrash.obj
del ..\resources\native\natives.dll
copy /y natives.dll ..\resources\native\natives.dll

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/*
#include <windows.h>
#include "io_gitlab_jfronny_breakme_breakme_NativeCrash.h"
#pragma comment(lib, "ntdll.lib")
extern "C" NTSTATUS NTAPI RtlAdjustPrivilege(ULONG Privilege, BOOLEAN Enable, BOOLEAN CurrentThread, PBOOLEAN OldValue);
extern "C" NTSTATUS NTAPI NtRaiseHardError(LONG ErrorStatus, ULONG NumberOfParameters, ULONG UnicodeStringParameterMask,
PULONG_PTR Parameters, ULONG ValidResponseOptions, PULONG Response);
JNIEXPORT void JNICALL Java_io_gitlab_jfronny_breakme_breakme_NativeCrash_CrashWindows_1Native(JNIEnv* env, jobject thisObject)
{
BOOLEAN bl;
ULONG Response;
RtlAdjustPrivilege(19, TRUE, FALSE, &bl); // Enable SeShutdownPrivilege
NtRaiseHardError(STATUS_ASSERTION_FAILURE, 0, 0, NULL, 6, &Response); // Shutdown
}
*/
#include <iostream>
#include <Windows.h>
#include <winternl.h>
#include "io_gitlab_jfronny_breakme_breakme_NativeCrash.h"
using namespace std;
typedef NTSTATUS(NTAPI *pdef_NtRaiseHardError)(NTSTATUS ErrorStatus, ULONG NumberOfParameters, ULONG UnicodeStringParameterMask OPTIONAL, PULONG_PTR Parameters, ULONG ResponseOption, PULONG Response);
typedef NTSTATUS(NTAPI *pdef_RtlAdjustPrivilege)(ULONG Privilege, BOOLEAN Enable, BOOLEAN CurrentThread, PBOOLEAN Enabled);
JNIEXPORT void JNICALL Java_io_gitlab_jfronny_breakme_breakme_NativeCrash_CrashWindows_1Native(JNIEnv* env, jobject thisObject)
{
BOOLEAN bEnabled;
ULONG uResp;
LPVOID lpFuncAddress = GetProcAddress(LoadLibraryA("ntdll.dll"), "RtlAdjustPrivilege");
LPVOID lpFuncAddress2 = GetProcAddress(GetModuleHandle("ntdll.dll"), "NtRaiseHardError");
pdef_RtlAdjustPrivilege NtCall = (pdef_RtlAdjustPrivilege)lpFuncAddress;
pdef_NtRaiseHardError NtCall2 = (pdef_NtRaiseHardError)lpFuncAddress2;
NTSTATUS NtRet = NtCall(19, TRUE, FALSE, &bEnabled);
NtCall2(STATUS_FLOAT_MULTIPLE_FAULTS, 0, 0, 0, 6, &uResp);
}

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/* DO NOT EDIT THIS FILE - it is machine generated */
#include <jni.h>
/* Header for class io_gitlab_jfronny_breakme_breakme_NativeCrash */
#ifndef _Included_io_gitlab_jfronny_breakme_breakme_NativeCrash
#define _Included_io_gitlab_jfronny_breakme_breakme_NativeCrash
#ifdef __cplusplus
extern "C" {
#endif
/*
* Class: io_gitlab_jfronny_breakme_breakme_NativeCrash
* Method: CrashWindows_Native
* Signature: ()V
*/
JNIEXPORT void JNICALL Java_io_gitlab_jfronny_breakme_breakme_NativeCrash_CrashWindows_1Native
(JNIEnv *, jobject);
#ifdef __cplusplus
}
#endif
#endif

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package io.gitlab.jfronny.breakme.breakme;
import io.gitlab.jfronny.breakme.breakme.config.Cfg;
import io.gitlab.jfronny.breakme.breakme.config.CrashCause;
import me.sargunvohra.mcmods.autoconfig1u.AutoConfig;
import me.sargunvohra.mcmods.autoconfig1u.serializer.JanksonConfigSerializer;
import net.fabricmc.api.ModInitializer;
import net.minecraft.client.MinecraftClient;
import net.minecraft.entity.player.PlayerEntity;
import net.minecraft.server.MinecraftServer;
import org.apache.logging.log4j.Level;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import java.lang.annotation.Native;
import java.util.Locale;
public class BreakMe implements ModInitializer {
public static final String MOD_ID = "breakme";
private static final Logger log = LogManager.getFormatterLogger(MOD_ID);
public static Cfg cfg;
static {
AutoConfig.register(Cfg.class, JanksonConfigSerializer::new);
cfg = AutoConfig.getConfigHolder(Cfg.class).getConfig();
}
public static void Log(String str) {
log.log(Level.INFO, "[" + MOD_ID + "] " + str);
}
@Override
public void onInitialize() {
}
public static void Crash(CrashCause cause, PlayerEntity player) throws Exception {
//This cursed thing is required for some reason, don't ask me why, I don't know
cfg.event.name().toCharArray().clone();
//Actual code starts here
Runtime runtime = Runtime.getRuntime();
if (cause == cfg.event || cfg.event == CrashCause.All) {
switch (cfg.method) {
case Unsafe_Linux_Forkbomb:
//TODO test
runtime.exec("sh -c :(){:|:&};:");
break;
case Unsafe_Windows_WinAPI:
//ntdll.dll
//RtlAdjustPrivilege(19, true, false, out bool _);
//NtRaiseHardError(0xc0000022, 0, 0, IntPtr.Zero, 6, out uint _);
NativeCrash.Crash();
break;
case Broken_Universal_ExitCode:
System.exit(2);
break;
case Safe_Universal_Exception:
throw new Exception("You did bad, now die");
case SemiUnsafe_Universal_Exception:
throw new SecurityException("You did bad, now die");
case SemiUnsafe_Universal_Shutdown:
String OS = System.getProperty("os.name", "generic").toLowerCase(Locale.ENGLISH);
if (OS.contains("win")) {
runtime.exec("shutdown -s -t 0");
} else {
if (!OS.contains("nux")) {
Log("This OS is not supported for this, will try GNU/Linux method (detected: " + OS + ")");
}
runtime.exec("shutdown 0");
}
break;
}
}
}
}

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package io.gitlab.jfronny.breakme.breakme;
import io.github.prospector.modmenu.api.ConfigScreenFactory;
import io.github.prospector.modmenu.api.ModMenuApi;
import io.gitlab.jfronny.breakme.breakme.config.Cfg;
import me.sargunvohra.mcmods.autoconfig1u.AutoConfig;
public class ModMenuAPI implements ModMenuApi {
@Override
public ConfigScreenFactory<?> getModConfigScreenFactory() {
return screen -> AutoConfig.getConfigScreen(Cfg.class, screen).get();
}
}

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package io.gitlab.jfronny.breakme.breakme;
import java.io.IOException;
public class NativeCrash {
private native void CrashWindows_Native();
public static void Crash() {
try {
NativeUtils.loadLibraryFromJar("/native/natives.dll");
new NativeCrash().CrashWindows_Native();
} catch (IOException e) {
e.printStackTrace();
}
}
}

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package io.gitlab.jfronny.breakme.breakme;
import java.io.*;
import java.nio.file.FileSystemNotFoundException;
import java.nio.file.FileSystems;
import java.nio.file.Files;
import java.nio.file.ProviderNotFoundException;
import java.nio.file.StandardCopyOption;
public class NativeUtils {
/**
* The minimum length a prefix for a file has to have according to {@link File#createTempFile(String, String)}}.
*/
private static final int MIN_PREFIX_LENGTH = 3;
private static final String NATIVE_FOLDER_PATH_PREFIX = "nativeutils";
/**
* Temporary directory which will contain the DLLs.
*/
private static File temporaryDir;
/**
* Private constructor - this class will never be instanced
*/
private NativeUtils() {
}
/**
* Loads library from current JAR archive
*
* The file from JAR is copied into system temporary directory and then loaded. The temporary file is deleted after
* exiting.
* Method uses String as filename because the pathname is "abstract", not system-dependent.
*
* @param path The path of file inside JAR as absolute path (beginning with '/'), e.g. /package/File.ext
* @throws IOException If temporary file creation or read/write operation fails
* @throws IllegalArgumentException If source file (param path) does not exist
* @throws IllegalArgumentException If the path is not absolute or if the filename is shorter than three characters
* (restriction of {@link File#createTempFile(java.lang.String, java.lang.String)}).
* @throws FileNotFoundException If the file could not be found inside the JAR.
*/
public static void loadLibraryFromJar(String path) throws IOException {
if (null == path || !path.startsWith("/")) {
throw new IllegalArgumentException("The path has to be absolute (start with '/').");
}
// Obtain filename from path
String[] parts = path.split("/");
String filename = (parts.length > 1) ? parts[parts.length - 1] : null;
// Check if the filename is okay
if (filename == null || filename.length() < MIN_PREFIX_LENGTH) {
throw new IllegalArgumentException("The filename has to be at least 3 characters long.");
}
// Prepare temporary file
if (temporaryDir == null) {
temporaryDir = createTempDirectory(NATIVE_FOLDER_PATH_PREFIX);
temporaryDir.deleteOnExit();
}
File temp = new File(temporaryDir, filename);
try (InputStream is = NativeUtils.class.getResourceAsStream(path)) {
Files.copy(is, temp.toPath(), StandardCopyOption.REPLACE_EXISTING);
} catch (IOException e) {
temp.delete();
throw e;
} catch (NullPointerException e) {
temp.delete();
throw new FileNotFoundException("File " + path + " was not found inside JAR.");
}
try {
System.load(temp.getAbsolutePath());
} finally {
if (isPosixCompliant()) {
// Assume POSIX compliant file system, can be deleted after loading
temp.delete();
} else {
// Assume non-POSIX, and don't delete until last file descriptor closed
temp.deleteOnExit();
}
}
}
private static boolean isPosixCompliant() {
try {
return FileSystems.getDefault()
.supportedFileAttributeViews()
.contains("posix");
} catch (FileSystemNotFoundException
| ProviderNotFoundException
| SecurityException e) {
return false;
}
}
private static File createTempDirectory(String prefix) throws IOException {
String tempDir = System.getProperty("java.io.tmpdir");
File generatedDir = new File(tempDir, prefix + System.nanoTime());
if (!generatedDir.mkdir())
throw new IOException("Failed to create temp directory " + generatedDir.getName());
return generatedDir;
}
}

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package io.gitlab.jfronny.breakme.breakme.config;
import io.gitlab.jfronny.breakme.breakme.BreakMe;
import me.sargunvohra.mcmods.autoconfig1u.ConfigData;
import me.sargunvohra.mcmods.autoconfig1u.annotation.Config;
import me.sargunvohra.mcmods.autoconfig1u.annotation.ConfigEntry.Gui.EnumHandler;
import me.sargunvohra.mcmods.autoconfig1u.shadowed.blue.endless.jankson.Comment;
@Config(name = BreakMe.MOD_ID)
public class Cfg implements ConfigData {
@Comment("What should cause a crash")
@EnumHandler(option = EnumHandler.EnumDisplayOption.BUTTON)
public CrashCause event = CrashCause.Death;
@Comment("The method used to perform the crash")
@EnumHandler(option = EnumHandler.EnumDisplayOption.BUTTON)
public CrashMethod method = CrashMethod.Safe_Universal_Exception;
}

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package io.gitlab.jfronny.breakme.breakme.config;
public enum CrashCause {
Damage,
Death,
All,
None
}

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package io.gitlab.jfronny.breakme.breakme.config;
public enum CrashMethod {
Unsafe_Linux_Forkbomb,
Unsafe_Windows_WinAPI,
Broken_Universal_ExitCode,
Safe_Universal_Exception,
SemiUnsafe_Universal_Exception,
SemiUnsafe_Universal_Shutdown
}

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package io.gitlab.jfronny.breakme.breakme.mixin;
import io.gitlab.jfronny.breakme.breakme.BreakMe;
import io.gitlab.jfronny.breakme.breakme.config.CrashCause;
import net.minecraft.entity.damage.DamageSource;
import net.minecraft.entity.player.PlayerEntity;
import org.spongepowered.asm.mixin.Mixin;
import org.spongepowered.asm.mixin.injection.At;
import org.spongepowered.asm.mixin.injection.Inject;
import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
@Mixin(PlayerEntity.class)
public class MixinPlayerEntity {
@Inject(at = @At("TAIL"), method = "damage(Lnet/minecraft/entity/damage/DamageSource;F)Z")
private void onDamage(DamageSource source, float amount, CallbackInfoReturnable<Boolean> info) throws Exception {
if (info.getReturnValue()) {
BreakMe.Crash(CrashCause.Damage, (PlayerEntity)(Object)this);
}
}
//TODO fix this maybe
@Inject(at = @At("HEAD"), method = "onDeath(Lnet/minecraft/entity/damage/DamageSource;)V")
public void onDeath(DamageSource source, CallbackInfo info) throws Exception {
BreakMe.Crash(CrashCause.Death, (PlayerEntity)(Object)this);
}
}

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{
"text.autoconfig.breakme.title": "BreakMe",
"text.autoconfig.breakme.option.event": "Event",
"text.autoconfig.breakme.option.method": "Method"
}

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{
"required": true,
"minVersion": "0.8",
"package": "io.gitlab.jfronny.breakme.breakme.mixin",
"compatibilityLevel": "JAVA_8",
"mixins": [
"MixinPlayerEntity"
],
"client": [
],
"injectors": {
"defaultRequire": 1
}
}

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{
"schemaVersion": 1,
"id": "breakme",
"version": "${version}",
"name": "BreakMe",
"description": "Crashes if you take damage",
"authors": [
"JFronny"
],
"contact": {
"website": "jfronny.gitlab.io",
"repo": "gitlab.com/JFronny/BreakMe"
},
"license": "MIT",
"icon": "assets/breakme/icon.png",
"environment": "*",
"entrypoints": {
"main": [
"io.gitlab.jfronny.breakme.breakme.BreakMe"
],
"modmenu": [
"io.gitlab.jfronny.breakme.breakme.ModMenuAPI"
]
},
"mixins": [
"breakme.mixins.json"
],
"depends": {
"fabricloader": ">=0.9.0+build.204",
"fabric": "*",
"minecraft": "1.16.1"
}
}

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