[Unit]
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Description=Dropbear SSH daemon
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After=syslog.target network.target auditd.service
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[Service]
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# If /etc/dropbear is a symlink to /var/run/dropbear, and
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# - the filesystem is RO (i.e. we can not rm the symlink),
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# create the directory pointed to by the symlink.
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# - the filesystem is RW (i.e. we can rm the symlink),
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# replace the symlink with an actual directory
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ExecStartPre=/bin/sh -c '\
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if [ -L /etc/dropbear \
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-a "$(readlink /etc/dropbear)" = "/var/run/dropbear" ]; then \
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if rm -f /etc/dropbear >/dev/null 2>&1; then \
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mkdir -p /etc/dropbear; \
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else \
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echo "No persistent location to store SSH host keys. New keys will be"; \
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echo "generated at each boot. Are you sure this is what you want to do?"; \
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mkdir -p "$(readlink /etc/dropbear)"; \
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fi; \
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fi'
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EnvironmentFile=-/etc/default/dropbear
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ExecStart=/usr/sbin/dropbear -F -R $DROPBEAR_ARGS
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ExecReload=/bin/kill -HUP $MAINPID
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[Install]
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WantedBy=multi-user.target
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