Files
vim-ale/ssh-utils/ssh-adduser.sh
2020-07-01 01:21:07 -06:00

51 lines
1.7 KiB
Bash

#!/bin/bash
{
set -e
set -u
# TODO: a more complete VPS setup
# TODO would $EUID be better?
if [ "root" != "$(whoami)" ]; then
echo "webi adduser: running user is already a non-root user"
exit 0
fi
#apt-get -y update
#apt-get -y install curl wget rsync git
# Add User app
# Picking 'app' because that seems to be what the # Docker/Vagrant
# crowd is doing. TODO: Other ideas? me, user, tron
my_name="${1:-"app"}"
adduser --disabled-password --gecos '' "$my_name"
my_password=$(openssl rand -hex 16)
printf "$my_password"'\n'"$my_password" | passwd "$my_name"
# make 'app' a sudo-er (admin)
adduser "$my_name" sudo
echo "$my_name ALL=(ALL:ALL) NOPASSWD: ALL" | tee "/etc/sudoers.d/$my_name"
# allow users who can already login as 'root' to login as 'app'
mkdir -p "/home/$my_name/.ssh/"
chmod 0700 "/home/$my_name/.ssh/"
cp -r "$HOME/.ssh/authorized_keys" "/home/$my_name/.ssh/"
chmod 0600 "/home/$my_name/.ssh/authorized_keys"
touch "/home/$my_name/.ssh/config"
chmod 0644 "/home/$my_name/.ssh/config"
chown -R "$my_name":"$my_name" "/home/$my_name/.ssh/"
# ensure that 'app' has an SSH Keypair
sudo -i -u "$my_name" bash -c "ssh-keygen -b 2048 -t rsa -f '/home/$my_name/.ssh/id_rsa' -q -N ''"
# Install webi for the new 'app' user
WEBI_HOST=${WEBI_HOST:-"https://webinstall.dev"}
sudo -i -u "$my_name" bash -c "curl -fsSL '$WEBI_HOST/webi' | bash" \
|| sudo -i -u "$my_name" bash -c "wget -q -O - '$WEBI_HOST/webi' | bash"
# TODO ensure that ssh-password login is off
echo "Created user '$my_name' with password '$my_password'"
}