2FA with Telegram in a consoles and DE, SSH and etc

This is a PAM module for 2fa authorizate of Telegram channel Enter User\password and code at your Telegram bot.

curl -s -X POST https://api.telegram.org/bot/getUpdates - get info about id

Build:

make
cp 2fact.so /usr/lib/security

Config

Pam.d config: Add "auth requisite 2fact.so" in a /etc/pam.d/system-auth

Example: