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Explicitly set SSH permissions in base.sh

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David E. Myers 2020-12-12 10:31:58 -05:00
parent 4adb35db80
commit 38d51646eb
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1 changed files with 5 additions and 3 deletions
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8
files/cloud-init/base.sh
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@ -1,6 +1,7 @@
#!/bin/bash
#!/bin/sh
set -eux
# shellcheck disable=SC2230
which sudo || until \
apt-get update -y && \
apt-get install sudo -yf --install-suggests; do
@ -15,9 +16,10 @@ cat <<EOF >/etc/ssh/sshd_config
{{ lookup('template', 'files/cloud-init/sshd_config') }}
EOF
test -d /home/algo/.ssh || (umask 077 && sudo -u algo mkdir -p /home/algo/.ssh/)
echo "{{ lookup('file', '{{ SSH_keys.public }}') }}" | (umask 177 && sudo -u algo tee /home/algo/.ssh/authorized_keys)
test -d /home/algo/.ssh || sudo -u algo mkdir -m 0700 /home/algo/.ssh
echo "{{ lookup('file', '{{ SSH_keys.public }}') }}" | (sudo -u algo tee /home/algo/.ssh/authorized_keys && chmod 0600 /home/algo/.ssh/authorized_keys)
# shellcheck disable=SC2015
dpkg -l sshguard && until apt-get remove -y --purge sshguard; do
sleep 3
done || true