41 lines
1.2 KiB
Bash
41 lines
1.2 KiB
Bash
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#!/bin/bash
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# Hosts File Manager for EHCP
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# Written by Eric Arnol-Martin (earnolmartin@gmail.com)
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if [ -z "$1" ]; then
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echo -e "You must send a string containing the host file entries related to EHCP"
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else
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# Creates a backup or the current host file
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if [ ! -e /etc/hosts_backup ]; then
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cp /etc/hosts /etc/hosts_backup;
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fi
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# If the EHCP Comment does not exist, add it:
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ehcpComment="# EHCP Generated Entries # Place Custom Edits Above This Line Or They WILL BE LOST"
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ehcpLocate=$(cat /etc/hosts | grep -i "$ehcpComment")
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if [ -z "$ehcpLocate" ]; then
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echo -e "\n$ehcpComment" >> /etc/hosts
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fi
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# Looks for the EHCP comment and returns all lines in the hosts file above it and resaves the host file minus ehcp entries
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# nonEHCPEntries=$( sed -n "1,/$ehcpComment/ p" /etc/hosts | grep -vi "$ehcpComment")
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# Safer:
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nonEHCPEntries=$(awk "/$ehcpComment/ {exit} {print}" "/etc/hosts")
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if [ ! -z "$nonEHCPEntries" ]; then
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echo -e "$nonEHCPEntries" | tee /etc/hosts > /dev/null
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# Add EHCP records to host file
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echo -e "\n$ehcpComment" >> /etc/hosts
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echo -e "$1" >> /etc/hosts
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else
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echo -e "Your hosts file is empty and messed up! Please fix it!"
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fi
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fi
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