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https://github.com/prurigro/buildhosts.git
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45 lines
1.6 KiB
Text
45 lines
1.6 KiB
Text
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#!/usr/bin/env bash
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if [[ -z "$1" ]] || [[ -z "$2" ]]; then
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echo "Error: Run this scrip with a blocklist URL in p2p format and an output file as arguments"
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exit 1
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fi
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P2PLIST=$(sed 's|^.*:||' < <(wget -q -O - "$1" | gunzip) | grep -E "^[0-9]*.[0-9]*.[0-9]*.[0-9]*-[0-9]*.[0-9]*.[0-9]*.[0-9]*$")
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[[ ! $(grep -E "^[0-9]*.[0-9]*.[0-9]*.[0-9]*-[0-9]*.[0-9]*.[0-9]*.[0-9]*$" <<< "$P2PLIST") ]] && echo "Error: The URL ${1} does not appear to contain a P2P-formatted blocklist" && exit 1
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for address_range in ${P2PLIST[@]}; do
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IP1=$(cut -d '-' -f 1 <<< "$address_range")
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IP1_1=$(cut -d '.' -f 1 <<< "$IP1")
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IP1_2=$(cut -d '.' -f 2 <<< "$IP1")
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IP1_3=$(cut -d '.' -f 3 <<< "$IP1")
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IP1_4=$(cut -d '.' -f 4 <<< "$IP1")
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IP2=$(cut -d '-' -f 2 <<< "$address_range")
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echo "127.0.0.1 ${IP1_1}.${IP1_2}.${IP1_3}.${IP1_4}" >> "$2"
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while [ ! "${IP1_1}.${IP1_2}.${IP1_3}.${IP1_4}" = "$IP2" ]; do
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if [ "$IP1_4" -lt 255 ]; then
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IP1_4=$(expr $IP1_4 + 1)
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else
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IP1_4=0
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if [ "$IP1_3" -lt 255 ]; then
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IP1_3=$(expr $IP1_3 + 1)
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else
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IP1_3=0
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if [ "$IP1_2" -lt 255 ]; then
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IP1_2=$(expr $IP1_2 + 1)
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else
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IP1_2=0
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if [ "$IP1_1" -lt 255 ]; then
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IP1_1=$(expr $IP1_1 + 1)
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else
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break
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fi
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fi
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fi
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fi
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echo "127.0.0.1 ${IP1_1}.${IP1_2}.${IP1_3}.${IP1_4}" >> "$2"
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done
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done
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