mitm_cert_generator.sh

#!/bin/bash
#set -x
set -e

PASSWORD="jenny$((RANDOM))"

echo "[+] Cleaning ~/.mitmproxy"
rm -rf ~/.mitmproxy
mkdir -p ~/.mitmproxy
cd ~/.mitmproxy

echo "[+] Making key"
openssl genrsa -out ca.key 4096

echo "[+] Make root certificate"
openssl req -x509 -new -days 3650 -key ca.key -sha256 \
  -out ca.crt \
  -subj "/CN=Jenny Proxy CA/O=JLAB/C=XX"

echo "[+] Make DH param"
openssl dhparam -out mitmproxy-dhparam.pem 2048

echo "[+] Make ca.pem with cert and key in mitmproxy-ca.pem"
cat ca.key ca.crt > mitmproxy-ca.pem

echo "[+] Verifying mitmproxy-ca.pem"
openssl x509 -in mitmproxy-ca.pem -noout -text > /dev/null || { echo "Error en certificado fusionado"; exit 1; }

echo "[+] Make mitmproxy-ca-cert.p12"
openssl pkcs12 -export -out mitmproxy-ca-cert.p12 -inkey mitmproxy-ca.pem -in ca.crt -passout pass:$PASSWORD 2>&1 1>>/dev/null && echo "[OK]" || echo "[ERROR]"


echo "[+] Ready happy hacking!!! ~/.mitmproxy"

echo "[+] Make Distribution Files"
mkdir -p /tmp/mitmproxy_export
cp -f mitmproxy-dhparam.pem mitmproxy-ca.pem ca.crt mitmproxy-ca-cert.p12 /tmp/mitmproxy_export
tar -czf ~/mitmproxy-distrib.tar.gz -C /tmp mitmproxy_export 2>&1 1>>/dev/null && echo "[OK]" || echo "[ERROR]"

echo "[+] Distribution Files with password ($PASSWORD)"
ls -lah ~/mitmproxy-distrib.tar.gz