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46 lines
1.3 KiB
Django/Jinja
46 lines
1.3 KiB
Django/Jinja
#!/bin/sh
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# Block ads, malware, etc..
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TEMP="$(mktemp)"
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TEMP_SORTED="$(mktemp)"
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WHITELIST="/etc/dnscrypt-proxy/white.list"
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BLACKLIST="/etc/dnscrypt-proxy/black.list"
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BLOCKHOSTS="{{ config_prefix|default('/') }}etc/dnscrypt-proxy/blacklist.txt"
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BLOCKLIST_URLS="{% for url in adblock_lists %}{{ url }} {% endfor %}"
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#Delete the old block.hosts to make room for the updates
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rm -f $BLOCKHOSTS
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echo 'Downloading hosts lists...'
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#Download and process the files needed to make the lists (enable/add more, if you want)
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for url in $BLOCKLIST_URLS; do
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wget --timeout=2 --tries=3 -qO- "$url" | grep -Ev "(localhost)" | grep -Ev "#" | sed -E "s/(0.0.0.0 |127.0.0.1 |255.255.255.255 )//" >> "$TEMP"
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done
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#Add black list, if non-empty
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if [ -s "$BLACKLIST" ]
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then
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echo 'Adding blacklist...'
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cat $BLACKLIST >> "$TEMP"
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fi
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#Sort the download/black lists
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awk '/^[^#]/ { print $1 }' "$TEMP" | sort -u > "$TEMP_SORTED"
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#Filter (if applicable)
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if [ -s "$WHITELIST" ]
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then
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#Filter the blacklist, suppressing whitelist matches
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# This is relatively slow =-(
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echo 'Filtering white list...'
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grep -v -E "^[[:space:]]*$" $WHITELIST | awk '/^[^#]/ {sub(/\r$/,"");print $1}' | grep -vf - "$TEMP_SORTED" > $BLOCKHOSTS
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else
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cat "$TEMP_SORTED" > $BLOCKHOSTS
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fi
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echo 'Restarting dns service...'
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#Restart the dns service
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systemctl restart dnscrypt-proxy.service
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exit 0
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