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40 lines
1.1 KiB
40 lines
1.1 KiB
#!/usr/bin/env sh
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[ ! "$(id -u)" -eq 0 ] && echo "Run as superuser." && exit 1
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case "${1}" in
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"on"|"enable"|"unlock")
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FROM=yes; TO=no;
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;;
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"off"|"disable"|"lock")
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FROM=no; TO=yes;
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;;
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"toggle")
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if grep -q '^PasswordAuthentication yes' /etc/ssh/sshd_config; then
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FROM=yes; TO=no;
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else
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FROM=no; TO=yes;
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fi
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;;
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*)
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echo 'Must specify one of the following:'
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echo ' [ on | yes | enable | unlock ] to allow interactive passwords'
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echo ' [ off | no | disable | lock ] to disallow interactive passwords'
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echo ' [ toggle ] to toggle the allowance of interactive passwords'
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echo ' [ status ] to show the current state of interactive passwords'
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exit 1
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;;
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esac
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for OPTION in PasswordAuthentication ChallengeResponseAuthentication; do
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sed -i "s/#* *${OPTION} *${FROM}/${OPTION} ${TO}/g; w /dev/stdout" /etc/ssh/sshd_config
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done
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if command -v systemctl > /dev/null; then
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systemctl restart sshd
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elif [ -x /etc/init.d/sshd ]; then
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/etc/init.d/sshd restart
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else
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echo "Restart SSH server to have changes take effect."
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fi
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