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artem-smotrakov / App.java
Created March 23, 2017 22:51
Getting a caller's class name in Java with SecurityManager.getClassContext()
public class App {
public static void main(String[] args) throws Throwable {
Logger.INSTANCE.log("main() started");
Logger.INSTANCE.log("hello");
Logger.INSTANCE.log("main() finished");
}
private static class Logger extends SecurityManager {
@artem-smotrakov
artem-smotrakov / App.java
Created March 23, 2017 23:07
Getting a caller's class name in Java with Thread.currentThread().getStackTrace()
public class App {
public static void main(String[] args) throws Throwable {
Logger.INSTANCE.log("started");
Logger.INSTANCE.log("hello");
foo();
Logger.INSTANCE.log("finished");
}
private static void foo() {
@artem-smotrakov
artem-smotrakov / ldapserver.py
Last active July 29, 2021 18:48
A simple LDAP server based on Ldaptor
from twisted.application import service, internet
from twisted.internet.endpoints import serverFromString
from twisted.internet.protocol import ServerFactory
from twisted.python.components import registerAdapter
from twisted.python import log
from ldaptor.inmemory import fromLDIFFile
from ldaptor.interfaces import IConnectedLDAPEntry
from ldaptor.protocols.ldap import distinguishedname
from ldaptor.protocols.ldap.ldapserver import LDAPServer
import tempfile
@artem-smotrakov
artem-smotrakov / LDAPLogin.java
Last active February 2, 2022 23:07
An example of LDAP client which is vulnerable to LDAP injection attack. For more details see An example of LDAP injection in Java. For more details see https://blog.gypsyengineer.com/en/security/ldap-injections.html
import javax.naming.NamingEnumeration;
import javax.naming.directory.SearchControls;
import javax.naming.directory.SearchResult;
import javax.naming.ldap.InitialLdapContext;
import java.util.Hashtable;
public class LDAPLogin {
public static void main(String[] args) throws Exception {
if (args.length < 2) {
@artem-smotrakov
artem-smotrakov / LDAPInfo.java
Last active September 18, 2017 09:27
An example of an LDAP client which is vulnerable to blind LDAP injection attack. For more details see An example of LDAP injection in Java. For more details see https://blog.gypsyengineer.com/fun/security/ldap-injections.html
import javax.naming.NamingEnumeration;
import javax.naming.directory.SearchControls;
import javax.naming.directory.SearchResult;
import javax.naming.ldap.InitialLdapContext;
import java.util.Hashtable;
public class LDAPInfo {
public static void main(String[] args) throws Exception {
if (args.length < 1) {
@artem-smotrakov
artem-smotrakov / attack.sh
Last active September 18, 2017 09:27
An example of LDAP injection in Java. For more details see https://blog.gypsyengineer.com/fun/security/ldap-injections.html
#!/bin/bash
# we just assume that it's that simple
alphabet="qwertyuiopasdfghjklzxcvbnm"
password=""
found=1
# stop when all guesses failed
while [ ${found} -eq 1 ];
@artem-smotrakov
artem-smotrakov / CommandLine.java
Last active September 18, 2017 09:25
How to parse command line arguments in Java. For more details see https://codeandsolder.blogspot.com/2017/09/how-to-parse-command-line-arguments-in-java.html
import java.util.HashMap;
import java.util.Map;
public class CommandLine {
public static Parameters parse(String[] args) {
Parameters params = new Parameters();
int i = 0;
while (i < args.length) {
@artem-smotrakov
artem-smotrakov / DHKeyExchange.java
Last active September 18, 2017 09:23
An example of Diffie-Hellman key exchange with Java. For more details see https://codeandsolder.blogspot.com/2017/09/diffie-hellman-key-exchange-in-java.html
package security.keyexchange;
import java.io.InputStream;
import java.io.OutputStream;
import java.math.BigInteger;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.security.KeyFactory;
import java.security.KeyPair;
@artem-smotrakov
artem-smotrakov / dht22.py
Last active October 24, 2017 06:03
Measuring temperature and humidity with DHT22 and MicroPython. See details on https://blog.gypsyengineer.com/fun/diy-electronics/micropython-esp8266-sending-data-to-thingspeak.html
import time
import dht
import machine
def mesure_temperature_and_humidity():
d = dht.DHT22(machine.Pin(DHT22_PIN))
d.measure()
t = d.temperature()
h = d.humidity()
print('temperature = %.2f' % t)
@artem-smotrakov
artem-smotrakov / micropython_connect_wifi.py
Created October 24, 2017 06:05
Connecting to Wi-Fi with MicroPython and ESP8266. See details on https://blog.gypsyengineer.com/fun/diy-electronics/micropython-esp8266-sending-data-to-thingspeak.html
import network
nic = network.WLAN(network.STA_IF)
nic.active(True)
nic.connect(ssid, password)