I hereby claim:
- I am thotypous on github.
- I am thotypous (https://keybase.io/thotypous) on keybase.
- I have a public key whose fingerprint is D07E CB5A EF63 5285 D4AC 4A50 B8C6 6205 87F3 0E55
To claim this, I am signing this object:
Paulo Matias thotypous
thotypous
/ unisolate.sh
Created
December 7, 2018 12:13
Contorna o isolamento entre diferentes computadores na rede eduroam da UFSCar
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| #!/bin/bash | |
| gw="$(ip route | grep -Po '^default via \K\d+\.\d+\.\d+\.\d+')" | |
| iface="$(ip route | grep -Po '^default via \d+\.\d+\.\d+\.\d+ dev \K[^ ]+')" | |
| local_subnet_forwarding_rule="$(ip route | grep -P "^\d+\.\d+\.\d+\.\d+/\d+ dev $iface .*? link src")" | |
| gw_forwarding_rule="$gw $(echo "$local_subnet_forwarding_rule" | grep -Po '^\d+\.\d+\.\d+\.\d+/\d+ \K.+')" | |
| if [[ ! -z "$local_subnet_forwarding_rule" ]]; then | |
| set -xe |
thotypous
/ eth_rawsock.py
Created
November 20, 2018 19:02
Exemplo de envio e recebimento de pacotes em camada de enlace
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| import socket | |
| import asyncio | |
| import struct | |
| ETH_P_ALL = 0x0003 | |
| ETH_P_IP = 0x0800 | |
| ICMP = 0x01 # https://en.wikipedia.org/wiki/List_of_IP_protocol_numbers |
thotypous
/ ip_rawsock.py
Last active
November 6, 2018 18:16
Exemplo de envio e recebimento de pacotes em camada de rede (protocolo IPv4)
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| import socket | |
| import asyncio | |
| import struct | |
| ETH_P_IP = 0x0800 | |
| # Coloque aqui o endereço de destino para onde você quer mandar o ping | |
| dest_addr = '186.219.82.1' |
thotypous
/ tcp_rawsock_v2.py
Last active
September 29, 2018 16:47
Exemplo que aceita conexões TCP na porta 7000 e manda dados (assumindo que nunca serão perdidos)
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| #!/usr/bin/python3 | |
| # | |
| # Antes de usar, execute o seguinte comando para evitar que o Linux feche | |
| # as conexões TCP abertas por este programa: | |
| # | |
| # sudo iptables -I OUTPUT -p tcp --tcp-flags RST RST -j DROP | |
| # | |
| import asyncio | |
| import socket |
thotypous
/ cadastro_visitantes_lote.py
Last active
September 10, 2018 11:42
Cadastro de visitantes em lote na Wi-Fi da UFSCar
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| #!/usr/bin/python3 | |
| import sys | |
| import csv | |
| import requests | |
| username = '<redacted>' | |
| password = '<redacted>' | |
| inicio_validade = '2018-09-10T00:00:00.000Z' | |
| fim_validade = '2018-09-17T23:59:59.999Z' |
thotypous
/ tcp_rawsock.py
Created
September 9, 2018 16:22
Exemplo que aceita conexões TCP na porta 7000 e ilustra o uso de timers com asyncio
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| #!/usr/bin/python3 | |
| # | |
| # Antes de usar, execute o seguinte comando para evitar que o Linux feche | |
| # as conexões TCP abertas por este programa: | |
| # | |
| # sudo iptables -I OUTPUT -p tcp --tcp-flags RST RST -j DROP | |
| # | |
| import asyncio | |
| import socket |
thotypous
/ exemplo_fluxo_quebrado_cliente.py
Last active
September 16, 2018 16:17
Exemplos de implementação de camada de aplicação sobre TCP
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| #!/usr/bin/python3 | |
| # -*- encoding: utf-8 -*- | |
| import socket | |
| s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) | |
| s.connect(('endereco', 8000)) | |
| s.send(b'A'*50000 + b'F') | |
| s.close() |
thotypous
/ sdaps-jbig2.py
Last active
August 27, 2017 02:37
Uses https://github.com/agl/jbig2enc to generate a JBIG2-encoded PDF for each questionnaire ID
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| #!/usr/bin/env python2 | |
| # -*- coding: utf8 -*- | |
| # SDAPS - Scripts for data acquisition with paper based surveys | |
| # Copyright (C) 2008, Christoph Simon <post@christoph-simon.eu> | |
| # Copyright (C) 2015, Benjamin Berg <benjamin@sipsolutions.net> | |
| # | |
| # This program is free software: you can redistribute it and/or modify | |
| # it under the terms of the GNU General Public License as published by | |
| # the Free Software Foundation, either version 3 of the License, or | |
| # (at your option) any later version. |
thotypous
/ rtai_3.9.265.gd99c55e.diff
Created
October 11, 2015 18:42
RTAI patch with random fixes for amd64
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| diff --git a/./base/math/Makefile.kbuild.orig b/./base/math/Makefile.kbuild | |
| index d87d924..110a5b9 100644 | |
| --- a/./base/math/Makefile.kbuild.orig | |
| +++ b/./base/math/Makefile.kbuild | |
| @@ -7,8 +7,10 @@ EXTRA_CFLAGS += -I$(rtai_srctree)/base/include \ | |
| -D_IEEE_LIBM \ | |
| -D_ISOC99_SOURCE \ | |
| -D_SVID_SOURCE \ | |
| + -D__USE_SVID \ | |
| $(rtai_extraopt) \ |