69 lines
2.5 KiB
Bash
69 lines
2.5 KiB
Bash
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#!/bin/sh
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################################################################################
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# INIT
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################################################################################
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# Provide SSH AUTHORIZED KEY via environment variable
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if [ ! -z "$SSH_AUTH_KEY" ]; then
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mkdir -p /root/.ssh
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echo "$SSH_AUTH_KEY" > /root/.ssh/authorized_keys
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chmod go-rwx /root/.ssh/authorized_keys
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sed -i "s/#PasswordAuthentication yes/PasswordAuthentication no/g" /etc/ssh/sshd_config
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fi
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# Provide CRON_TASK via environment variable
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if [ ! -z "$CRON_TASK" ]; then
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echo "$CRON_TASK" > /etc/crontabs/root
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echo "root" > /etc/crontabs/cron.update
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fi
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# Generate host SSH keys
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if [ ! -e /etc/ssh/ssh_host_rsa_key.pub ]; then
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ssh-keygen -A
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fi
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# Generate root SSH key
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if [ ! -e /root/.ssh/id_rsa.pub ]; then
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ssh-keygen -q -N "" -f /root/.ssh/id_rsa
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fi
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################################################################################
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# START as SERVER
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################################################################################
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if [ "$1" == "server" ]; then
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AUTH=`cat /root/.ssh/authorized_keys`
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if [ -z "$AUTH" ]; then
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echo "=================================================================================="
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echo "ERROR: No SSH_AUTH_KEY provided, you'll not be able to connect to this container. "
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echo "=================================================================================="
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exit 1
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fi
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SSH_PARAMS="-D -e -p ${SSH_PORT:-22} $SSH_PARAMS"
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echo "================================================================================"
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echo "Running: /usr/sbin/sshd $SSH_PARAMS "
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echo "================================================================================"
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exec /usr/sbin/sshd -D $SSH_PARAMS
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fi
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echo "Please add this ssh key to your server /home/user/.ssh/authorized_keys "
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echo "================================================================================"
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echo "`cat /root/.ssh/id_rsa.pub`"
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echo "================================================================================"
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################################################################################
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# START as CLIENT via crontab
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################################################################################
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if [ "$1" == "client" ]; then
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exec /usr/sbin/crond -f
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fi
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################################################################################
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# Anything else
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################################################################################
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exec "$@"
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