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30 lines
602 B
30 lines
602 B
#!/bin/sh
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failsafe_sshd () {
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# if dropbear is executable it can handle failsafe
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[ -x /usr/sbin/dropbear ] && return
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sshd_tmpdir=/tmp/sshd
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mkdir $sshd_tmpdir
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sed -i 's/^root:.*/root::0:17000:::::/g' /etc/shadow
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for type in ed25519; do
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key=$sshd_tmpdir/ssh_host_${type}_key
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ssh-keygen -N '' -t ${type} -f ${key}
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done
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mkdir -m 0700 -p /var/empty
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cat > $sshd_tmpdir/sshd_config <<EOF
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HostKey $sshd_tmpdir/ssh_host_ed25519_key
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PermitRootLogin yes
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PermitEmptyPasswords yes
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EOF
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/usr/sbin/sshd -f $sshd_tmpdir/sshd_config -E $sshd_tmpdir/sshd.log
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}
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boot_hook_add failsafe failsafe_sshd
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