91 lines
2.2 KiB
Bash
91 lines
2.2 KiB
Bash
#!/bin/bash
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#######
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### Copy customized jails, filters and action configuration files to fail2ban
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### directory and activate them
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#######
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### set script output colours
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normal="\e[0m"
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bold="\e[1m"
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default="\e[39m"
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err="\e[1;31m"
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warn="\e[1;93m"
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ok="\e[32m"
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lit="\e[93m"
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op="\e[39m"
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info="\e[96m"
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note="\e[95m"
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### functions
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function backupFiles {
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# check if file exists
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if [ -f "${F2B-DIR}/$1" ]; then
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if [ "$(cp "${F2B-DIR}/$1" "${F2B-DIR}/$1.original")" -ne 0 ]; then
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echo
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echo -e "${err}There was a problem backing up your current" \
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"configuration."
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echo -e "This suggests some kind of permissions error. Please" \
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"remedy this and rerun"
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echo -e "this script."
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echo
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echo -e "${note}Error backing up file: ${lit}$1"
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echo
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echo -e "${err}Exiting.${normal}"
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echo
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exit 100
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fi
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fi
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}
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### end of functions
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### pre-requisites
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# exit script if fail2ban is not installed
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if ! [ -x "$(command -v fail2ban-client)" ]; then
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echo
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echo -e "${err}Cannot find fail2ban, is it installed? Exiting script." \
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"${normal}"
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echo
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exit 1
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fi
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# check if running as root
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if [ "$(id -u)" -ne 0 ]; then
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echo
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echo -e "${err}This script MUST be run as ROOT. Exiting.${normal}"
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echo
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exit 2
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fi
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### default values for variables
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F2B-DIR='/etc/fail2ban'
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### user info preamble
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echo
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echo -e "${note}------------------------------------------------------------" \
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"--------------------${normal}"
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echo -e "${info}This script will copy customized configuration files to your" \
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"fail2ban"
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echo -e "configuration directory. It will backup any existing files with the" \
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"extension"
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echo -e "${note}'.original'${info}.${normal}"
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echo
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echo -e "${info}Please ensure you have reviewed the ${note}README${info} in" \
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"this git archive and/or it's"
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echo -e "associated wiki or the blog post at${note}" \
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"https://mytechiethoughts.com${info} to understand"
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echo -e "how to customize these template files.${normal}"
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echo -e "${note}------------------------------------------------------------" \
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"--------------------${normal}"
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echo
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### copy template files
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