#!/bin/bash # START set -e # VARIABLES NAME_OSX="Darwin" THIS_OS=$(uname -mrs) PROGNAME=$(basename $0) CONFIG=($HOME/.maza/) HOST_FILE=(/etc/hosts) COLOR_RED=`tput setaf 1` COLOR_GREEN=`tput setaf 2` COLOR_RESET=`tput sgr0` LIST="list" LIST_DNSMASQ="dnsmasq.conf" START_TAG="## MAZA - List ad blocking" PROJECT="### https://github.com/tanrax/maza-ad-blocking" AUTHOR="### Created by Andros Fenollosa (https://programadorwebvalencia.com/)" END_TAG="## END MAZA" # Create sed cross system custom-sed() { if [[ $THIS_OS = *$NAME_OSX* ]]; then # Check if OSX and install GSED if [ -x "$(command -v gsed)" ]; then gsed "$@" else echo "${COLOR_RED}ERROR. You must install gsed if you are using OSX${COLOR_RESET}" exit 1 fi else # Linux sed "$@" fi } export -f custom-sed # FUNCTIONS ## HELP usage() { if [ "$*" != "" ] ; then echo "Error: $*" fi cat << EOF Usage: $PROGNAME [OPTION] Simple and efficient local ad blocking throughout the network. Options: status Check if it's active or not update Update the list of DNS to be blocked start Activate blocking DNS. stop Stop blocking DNS. --help Display this usage message and exit EOF exit 1 } status() { if grep -qF "$START_TAG" "$HOST_FILE";then echo "${COLOR_GREEN}ENABLED${COLOR_RESET}" else echo "${COLOR_RED}DISABLED${COLOR_RESET}" fi } update() { # Make conf folder rm -f $CONFIG$LIST rm -f $CONFIG$LIST_DNSMASQ mkdir -p $CONFIG # Download DNS list curl -L -s "https://pgl.yoyo.org/adservers/serverlist.php?showintro=0&mimetype=plaintext" -o "$CONFIG$LIST" # Clear list ## Remove comments custom-sed -i.bak '/^#/ d' "$CONFIG$LIST" # Make dnsmasq format ## 127.0.0.1 doubleclick.net to address=/doubleclick.net/127.0.0.1 cp "$CONFIG$LIST" "$CONFIG$LIST_DNSMASQ" custom-sed -i.bak 's/127.0.0.1 /address=\//g' "$CONFIG$LIST_DNSMASQ" custom-sed -i.bak 's/$/\/127.0.0.1/g' "$CONFIG$LIST_DNSMASQ" ## Add start tag DNS list in first line custom-sed -i.bak "1i\\$AUTHOR" "$CONFIG$LIST" custom-sed -i.bak "1i\\$PROJECT" "$CONFIG$LIST" custom-sed -i.bak "1i\\$START_TAG" "$CONFIG$LIST" ## Add end tag DNS list in first line echo $END_TAG >> "$CONFIG/$LIST" ## Add start tag DNS dnsmasq in first line custom-sed -i.bak "1i\\$AUTHOR" "$CONFIG$LIST_DNSMASQ" custom-sed -i.bak "1i\\$PROJECT" "$CONFIG$LIST_DNSMASQ" custom-sed -i.bak "1i\\$START_TAG" "$CONFIG$LIST_DNSMASQ" ## Add end tag DNS DNSMASQ in first line echo $END_TAG >> "$CONFIG$LIST_DNSMASQ" # Remove temp file rm "$CONFIG$LIST.bak" rm "$CONFIG$LIST_DNSMASQ.bak" # Notify user echo "${COLOR_GREEN}List updated!${COLOR_RESET}" } start() { update # Add List to host file cat "$CONFIG/$LIST" >> "$HOST_FILE" # Notify user echo "${COLOR_GREEN}ENABLED!${COLOR_RESET}" } stop() { # Remove list to host file sudo custom-sed -i -n "/$START_TAG/,/$END_TAG/d" "$HOST_FILE" # Remove DNSMASQ cat /dev/null > $CONFIG$LIST_DNSMASQ # Notify user echo "${COLOR_GREEN}DISABLED!${COLOR_RESET}" } # CONTROLE ARGUMENTS isArg="" while [ $# -gt 0 ] ; do case "$1" in --help) usage ;; status) isArg="1" status ;; update) isArg="1" update ;; start) isArg="1" start ;; stop) isArg="1" stop ;; *) esac shift done if [ -z $isArg ] ; then usage "Not enough arguments" fi