96 lines
2.3 KiB
Bash
Executable File
96 lines
2.3 KiB
Bash
Executable File
#!/bin/bash
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# vi: et sts=4 sw=4 ts=4
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###############################################################################
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# You Don't Need Pi-hole
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# Network-wide DNS blocking without extra hardware.
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#
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# Project URL: https://codeberg.org/h3xx/you-dont-need-pihole
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#
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# License GPLv3: GNU GPL version 3.0 (https://www.gnu.org/licenses/gpl-3.0.html)
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# with Commons Clause 1.0 (https://commonsclause.com/).
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# This is free software: you are free to change and redistribute it.
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# There is NO WARRANTY, to the extent permitted by law.
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# You may NOT use this software for commercial purposes.
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###############################################################################
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set -e
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WORKDIR=${0%/*}
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CFG=$WORKDIR/update.cfg
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# Config defaults
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BACKUPSUFFIX=
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BLOCKLIST=$WORKDIR/block.list
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LIST_DIR=$WORKDIR/lists
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OUT=()
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URL=()
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if [[ -f $CFG ]]; then
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. "$CFG"
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fi
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TEMP_DIR=$(mktemp -d -t "${0##*/}.XXXXXX")
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cleanup() {
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rm -fr -- "$TEMP_DIR"
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}
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trap 'cleanup' EXIT
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(cd "$WORKDIR" && git submodule update --init --remote)
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for (( I = 0 ; I < ${#OUT[@]} ; ++I )); do
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MY_URL=${URL[$I]}
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MY_OUT=${OUT[$I]}
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if [[ -z $MY_URL ]]; then
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echo "$CFG: URL[$I] empty" >&2
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exit 2
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fi
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if [[ -z $MY_OUT ]]; then
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echo "$CFG: OUT[$I] empty" >&2
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exit 2
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fi
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TEMP_OUT=$(mktemp -p "$TEMP_DIR")
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if [[ -f $MY_OUT ]]; then
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cp -a -- "$MY_OUT" "$TEMP_OUT"
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fi
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wget \
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-O "$TEMP_OUT" \
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"$MY_URL"
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if [[ -f $MY_OUT ]]; then
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chmod --reference="$MY_OUT" "$TEMP_OUT"
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if [[ -n $BACKUPSUFFIX ]]; then
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mv -- "$MY_OUT" "$MY_OUT$BACKUPSUFFIX"
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fi
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fi
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mkdir -p -- "${MY_OUT%/*}"
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mv -- "$TEMP_OUT" "$MY_OUT"
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# If the old one is the same, don't keep it around
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if [[ -n $BACKUPSUFFIX && -f $MY_OUT$BACKUPSUFFIX ]]; then
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if diff -q "$MY_OUT" "$MY_OUT$BACKUPSUFFIX"; then
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rm -f -- "$MY_OUT$BACKUPSUFFIX"
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fi
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fi
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done
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if [[ -n $BACKUPSUFFIX && -f $BLOCKLIST ]]; then
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mv -- "$BLOCKLIST" "$BLOCKLIST$BACKUPSUFFIX"
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fi
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"$WORKDIR/make-block.pl" --out="$BLOCKLIST"
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# If the old one is the same the same, don't keep it around
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if [[ -n $BACKUPSUFFIX && -f $BLOCKLIST$BACKUPSUFFIX ]]; then
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if diff -q "$BLOCKLIST" "$BLOCKLIST$BACKUPSUFFIX"; then
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rm -f -- "$BLOCKLIST$BACKUPSUFFIX"
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fi
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fi
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if [[ -x /etc/rc.d/rc.dnsmasq ]]; then
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/etc/rc.d/rc.dnsmasq restart
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fi
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