37 lines
1.1 KiB
Bash
37 lines
1.1 KiB
Bash
#!/bin/sh
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### BEGIN INIT INFO
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# Provides: regenerate_ssh_host_keys
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# Required-Start:
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# Required-Stop:
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# Default-Start: 2
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# Default-Stop:
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# Short-Description: Regenerate ssh host keys
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# Description:
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### END INIT INFO
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. /lib/lsb/init-functions
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set -e
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case "$1" in
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start)
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log_daemon_msg "Regenerating ssh host keys (in background)"
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nohup sh -c "if [ -e /dev/hwrng ]; then
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dd if=/dev/hwrng of=/dev/urandom count=1 bs=4096
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fi; \
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yes | ssh-keygen -q -N '' -t dsa -f /etc/ssh/ssh_host_dsa_key && \
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yes | ssh-keygen -q -N '' -t rsa -f /etc/ssh/ssh_host_rsa_key && \
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yes | ssh-keygen -q -N '' -t ecdsa -f /etc/ssh/ssh_host_ecdsa_key && \
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yes | ssh-keygen -q -N '' -t ed25519 -f /etc/ssh/ssh_host_ed25519_key && \
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systemctl enable ssh && sync && \
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rm /etc/init.d/regenerate_ssh_host_keys && \
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update-rc.d regenerate_ssh_host_keys remove && \
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printf '\nfinished\n' && systemctl start ssh" > /var/log/regen_ssh_keys.log 2>&1 &
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log_end_msg $?
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;;
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*)
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echo "Usage: $0 start" >&2
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exit 3
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;;
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esac
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