65 lines
2.4 KiB
Bash
65 lines
2.4 KiB
Bash
#! /bin/sh
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# /etc/default/ssh may set SYSCONFDIR and SSHD_OPTS
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if test -f /etc/default/ssh; then
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. /etc/default/ssh
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fi
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[ -z "$SYSCONFDIR" ] && SYSCONFDIR=/etc/ssh
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mkdir -p $SYSCONFDIR
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# parse sshd options
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set -- ${SSHD_OPTS} --
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sshd_config=/etc/ssh/sshd_config
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while true ; do
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case "$1" in
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-f*) if [ "$1" = "-f" ] ; then
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sshd_config="$2"
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shift
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else
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sshd_config="${1#-f}"
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fi
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shift
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;;
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--) shift; break;;
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*) shift;;
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esac
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done
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# parse location of keys
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HOST_KEY_RSA=$(grep ^HostKey "${sshd_config}" | grep _rsa_ | tail -1 | awk ' { print $2 } ')
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[ -z "${HOST_KEY_RSA}" ] && HOST_KEY_RSA=$(grep HostKey "${sshd_config}" | grep _rsa_ | tail -1 | awk ' { print $2 } ')
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[ -z "${HOST_KEY_RSA}" ] && HOST_KEY_RSA=$SYSCONFDIR/ssh_host_rsa_key
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HOST_KEY_DSA=$(grep ^HostKey "${sshd_config}" | grep _dsa_ | tail -1 | awk ' { print $2 } ')
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[ -z "${HOST_KEY_DSA}" ] && HOST_KEY_DSA=$(grep HostKey "${sshd_config}" | grep _dsa_ | tail -1 | awk ' { print $2 } ')
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[ -z "${HOST_KEY_DSA}" ] && HOST_KEY_DSA=$SYSCONFDIR/ssh_host_dsa_key
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HOST_KEY_ECDSA=$(grep ^HostKey "${sshd_config}" | grep _ecdsa_ | tail -1 | awk ' { print $2 } ')
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[ -z "${HOST_KEY_ECDSA}" ] && HOST_KEY_ECDSA=$(grep HostKey "${sshd_config}" | grep _ecdsa_ | tail -1 | awk ' { print $2 } ')
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[ -z "${HOST_KEY_ECDSA}" ] && HOST_KEY_ECDSA=$SYSCONFDIR/ssh_host_ecdsa_key
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HOST_KEY_ED25519=$(grep ^HostKey "${sshd_config}" | grep _ed25519_ | tail -1 | awk ' { print $2 } ')
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[ -z "${HOST_KEY_ED25519}" ] && HOST_KEY_ED25519=$(grep HostKey "${sshd_config}" | grep _ed25519_ | tail -1 | awk ' { print $2 } ')
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[ -z "${HOST_KEY_ED25519}" ] && HOST_KEY_ED25519=$SYSCONFDIR/ssh_host_ed25519_key
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# create keys if necessary
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if [ ! -f $HOST_KEY_RSA ]; then
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echo " generating ssh RSA key..."
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mkdir -p $(dirname $HOST_KEY_RSA)
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ssh-keygen -q -f $HOST_KEY_RSA -N '' -t rsa
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fi
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if [ ! -f $HOST_KEY_ECDSA ]; then
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echo " generating ssh ECDSA key..."
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mkdir -p $(dirname $HOST_KEY_ECDSA)
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ssh-keygen -q -f $HOST_KEY_ECDSA -N '' -t ecdsa
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fi
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if [ ! -f $HOST_KEY_DSA ]; then
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echo " generating ssh DSA key..."
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mkdir -p $(dirname $HOST_KEY_DSA)
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ssh-keygen -q -f $HOST_KEY_DSA -N '' -t dsa
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fi
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if [ ! -f $HOST_KEY_ED25519 ]; then
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echo " generating ssh ED25519 key..."
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mkdir -p $(dirname $HOST_KEY_ED25519)
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ssh-keygen -q -f $HOST_KEY_ED25519 -N '' -t ed25519
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fi
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