vladaman’s gists

vladaman / essp.lua

Last active May 9, 2025 15:57

A Wireshark plugin for dissecting and analyzing encrypted eSSP communication with ITL SMART Hoppers and other eSSP devices.

	-- Filter: _ws.col.info != "Command: Poll" && _ws.col.info != "Response: OK" && !(_ws.col.protocol == "USB")
	-- Define the protocol
	local my_protocol = Proto("mydevice", "eSSP Protocol")

	-- Define protocol fields
	local pf_seq_slave_id = ProtoField.uint8("mydevice.seq_slave_id", "Header (SEQ/Slave ID/Len)")
	local pf_sequence_flag = ProtoField.bool("mydevice.sequence_flag", "Sequence Flag")
	local pf_slave_id = ProtoField.uint8("mydevice.slave_id", "Slave ID")
	local pf_data_length = ProtoField.uint8("mydevice.data_length", "Data Length")
	local pf_data = ProtoField.bytes("mydevice.data", "Data")

vladaman / curl.sh

Created April 19, 2025 14:37

Requests PDF using mPohoda server

	curl -d @pohoda-pdf-request.xml -X POST -H "STW-Authorization: Basic QDo=" \
	-H "Content-Type: application/xml" http://10.0.11.12:3880/xml

vladaman / nomad.service

Last active August 17, 2023 08:25

Nomad Service Systemd

	[Unit]
	Description=Nomad
	Documentation=https://www.nomadproject.io/docs/
	Wants=network-online.target
	After=network-online.target

	# When using Nomad with Consul it is not necessary to start Consul first. These
	# lines start Consul before Nomad as an optimization to avoid Nomad logging
	# that Consul is unavailable at startup.
	#Wants=consul.service

vladaman / AmazonEventbridge.php

Created October 14, 2022 07:24

Data to AWS Eventbridge without external AWS dependency

	<?php

	/*
	POST / HTTP/1.1
	Host: events.<region>.<domain>
	x-amz-Date: <Date>
	Authorization: AWS4-HMAC-SHA256 Credential=<Credential>, SignedHeaders=content-type;date;host;user-agent;x-amz-date;x-amz-target;x-amzn-requestid, Signature=<Signature>
	User-Agent: <UserAgentString>
	Content-Type: application/x-amz-json-1.1
	Content-Length: <PayloadSizeBytes>

vladaman / AmazonKinesis.php

Created October 14, 2022 07:20

Data to Amazon Kinesis from PHP without AWS library dependency

	<?php

	/*
	POST / HTTP/1.1
	Host: kinesis.<region>.<domain>
	x-amz-Date: <Date>
	Authorization: AWS4-HMAC-SHA256 Credential=<Credential>, SignedHeaders=content-type;date;host;user-agent;x-amz-date;x-amz-target;x-amzn-requestid, Signature=<Signature>
	User-Agent: <UserAgentString>
	Content-Type: application/x-amz-json-1.1
	Content-Length: <PayloadSizeBytes>

vladaman / activity_schema.sql

Last active June 16, 2023 13:57

Sample table structure for MySQL Activity Schema Data modeling - https://github.com/ActivitySchema

	-- Table structure for table `activity_schema` for mySQL
	--

	CREATE TABLE `activity_schema` (
	`activity_id` varchar(255) NOT NULL COMMENT 'Unique identifier for the activity record',
	`ts` timestamp NOT NULL DEFAULT current_timestamp() ON UPDATE current_timestamp() COMMENT 'Timestamp in UTC for when the activity occurred',
	`customer` varchar(255) DEFAULT NULL COMMENT 'Globally unique identifier for the customer',
	`activity` varchar(255) NOT NULL COMMENT 'Name of the activity',
	`anonymous_customer_id` varchar(255) DEFAULT NULL COMMENT 'Unique identifier for an anonymous customer (ex. ''segment_abfb8a'')',
	`feature_1` varchar(255) DEFAULT NULL COMMENT 'Activity-specific feature 1',

vladaman / AmazonEventbridge.php

Created January 21, 2022 21:10

Simple PHP Class to send data to AWS Eventbridge

	<?php

	/*
	POST / HTTP/1.1
	Host: events.<region>.<domain>
	x-amz-Date: <Date>
	Authorization: AWS4-HMAC-SHA256 Credential=<Credential>, SignedHeaders=content-type;date;host;user-agent;x-amz-date;x-amz-target;x-amzn-requestid, Signature=<Signature>
	User-Agent: <UserAgentString>
	Content-Type: application/x-amz-json-1.1
	Content-Length: <PayloadSizeBytes>

vladaman / eftpos-test.js

Created April 8, 2020 13:18

EFTPOS - Protocol test connection V. 3.00 (revision:07) - https://en.wikipedia.org/wiki/EFTPOS - simple test to communicate with MyPAX S800 Terminal

	var net = require('net');

	var HOST = '192.168.9.111';
	var PORT = 20008;

	const STX = 0x02; // Start transaction
	const ETX = 0x03; // End transaction
	const SEP = 0x1C; // Field separator

	var client = new net.Socket();

vladaman / bq-geohash-udf.sql

Last active July 2, 2021 02:59

Google BigQuery standardSQL UDF function to decode geohash string into bounding box and coordinates

	#standardSQL
	CREATE TEMPORARY FUNCTION geohashDecode(geohash STRING)
	RETURNS STRUCT<bbox ARRAY<FLOAT64>, lat FLOAT64, lng FLOAT64>
	LANGUAGE js AS """
	if (!geohash) return null;
	var base32 = '0123456789bcdefghjkmnpqrstuvwxyz';
	geohash = geohash.toLowerCase();

	var evenBit = true;
	var latMin = -90, latMax = 90;

vladaman / CZ-psc-okresy.cypher

Last active August 30, 2015 20:47

Databáze všech PSČ - Příkazy k vytvoření Neo4j databaze poštovních směrovacích čísel, včetne jejich GPS souřadnich, relaci a nadrazenych okresu a vazeb mezi nimi (sousedni okresy)

	begin
	create (_2:`GeoZipCode` {`businesses_count`:0, `citizens_count`:0, `country_code`:"CZ", `guid`:329527073160, `lat`:50.403267, `lng`:12.769570, `post_name`:"Abertamy", `zip_code`:"36235"})
	create (_3:`GeoOkres` {`guid`:292887945539, `lat`:0.000000, `lng`:0.000000, `okres_code`:"3403", `okres_name`:"Karlovy Vary"})
	create (_4:`GeoZipCode` {`businesses_count`:0, `citizens_count`:0, `country_code`:"CZ", `guid`:93811663291, `lat`:50.500179, `lng`:16.020939, `post_name`:"Úpice", `zip_code`:"54232"})
	create (_5:`GeoOkres` {`guid`:164828119722, `lat`:0.000000, `lng`:0.000000, `okres_code`:"3610", `okres_name`:"Trutnov"})
	create (_6:`GeoZipCode` {`businesses_count`:0, `citizens_count`:0, `country_code`:"CZ", `guid`:236641299731, `lat`:49.295494, `lng`:16.658679, `post_name`:"Adamov 1", `zip_code`:"67904"})
	create (_7:`GeoOkres` {`guid`:80042635560, `lat`:0.000000, `lng`:0.000000, `okres_code`:"3701", `okres_name`:"Blansko"})
	create (_8:`GeoZipCode` {`businesses_count`:0, `citizens_count`:0, `country_code`:"CZ",

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