authorized_keys/makeitso

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#!/bin/sh
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if [ $# -ne 1 ]; then
echo 'usage: makeitso <primaryusername>' >&2
exit 1
fi
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if [ ! -d /home/authorizedkeysuser ]; then
#sudo adduser --disabled-login --gecos 'User for AuthorizedKeysCommand' authorizedkeysuser ||
sudo useradd -c 'User for AuthorizedKeysCommand' -d /home/authorizedkeysuser -m -s/usr/sbin/nologin authorizedkeysuser
fi
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grep -qF 'AuthorizedKeysCommand /etc/ssh/get_authorized_keys' /etc/ssh/sshd_config || \
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sudo sh -c "echo 'Match User $1
AuthorizedKeysCommand /etc/ssh/get_authorized_keys
AuthorizedKeysCommandUser authorizedkeysuser' >> /etc/ssh/sshd_config"
sudo cp get_authorized_keys /etc/ssh
sudo chmod 755 /etc/ssh/get_authorized_keys
sudo systemctl restart sshd