pmiab (Poor Man's Internet Ad Blocker) - block ads system-wide

[hakerdefo]

Okay here is something for those of you who hates internet ads and at the same time are not big fans of add-ons and  extensions.
This is a complete rewrite of one of my earlier ad-block script.

Save pmiab somewhere in your $PATH with 755 permission and run it with sudo permissions.

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sudo pmiab


And select following from the menu,

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Block Internet Adverts


You can easily disable ad-blocking (also read replace the original hosts) by selecting,

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Unblock Internet Adverts


If a browser is open then clear its cache and restart it. Enjoy the internet on any and every browser without those irritating ads 

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#!/usr/bin/env bash
########
function byye (){
  printf "\033c"
  echo ""
  { for i in {16..51} {51..16}; do echo -en "\e[38;5;${i}m#\e[0m"; done; echo; }
  echo ""
  echo -e '\e[38;5;82m' "One man's advertising is another man's malware"
  echo ""
  { for i in {16..51} {51..16}; do echo -en "\e[38;5;${i}m#\e[0m"; done; echo; }
  echo ""
  sleep 1
  tput sgr0
  printf "\033c"
  exit 0
}
########
function pm_unblock (){
  pmcp=$(which cp)
  pmrm=$(which rm)
  if [ ! -f /etc/hosts-block ]; then
    printf "\033c"
    echo ""
    { for i in {16..51} {51..16}; do echo -en "\e[38;5;${i}m#\e[0m"; done; echo; }
    echo ""
    echo -e '\e[38;5;82m' "Ad-blocking hosts not in use! Nothing to unblock!"
    echo ""
    { for i in {16..51} {51..16}; do echo -en "\e[38;5;${i}m#\e[0m"; done; echo; }
    echo ""
    echo ""
    read -r -s -p $'Press Any Key To Return To Main Menu...\n' -n1
    starrt
  fi
  printf "\033c"
  echo ""
  { for i in {16..51} {51..16}; do echo -en "\e[38;5;${i}m#\e[0m"; done; echo; }
  echo ""
  echo -e '\e[38;5;82m' "Replacing the original hosts file..."
  echo ""
  { for i in {16..51} {51..16}; do echo -en "\e[38;5;${i}m#\e[0m"; done; echo; }
  echo ""
  sleep 1
  "$pmcp" /etc/hosts-system /etc/hosts
  chmod 644 /etc/hosts
  "$pmrm" -f /etc/hosts-system
  "$pmrm" -f /etc/hosts-block
  printf "\033c"
  echo ""
  { for i in {16..51} {51..16}; do echo -en "\e[38;5;${i}m#\e[0m"; done; echo; }
  echo ""
  echo -e '\e[38;5;82m' "All done!!! Original system hosts file restored!!!"
  echo ""
  { for i in {16..51} {51..16}; do echo -en "\e[38;5;${i}m#\e[0m"; done; echo; }
  echo ""
  echo ""
  read -r -s -p $'Press Any Key To Return To Main Menu...\n' -n1
  starrt
}
########
function pm_block (){
  pmcp=$(which cp)
  hosts_cooking=$(mktemp)
  hosts_cooked=$(mktemp)
  datum=$(date +%d-%m-%Y:%H:%M:%S)
  pmrm=$(which rm)
  if [ ! -f /etc/hosts-system ]; then
    "$pmcp" /etc/hosts /etc/hosts-system
    chmod 444 /etc/hosts-system
  fi
  printf "\033c"
  echo ""
  { for i in {16..51} {51..16}; do echo -en "\e[38;5;${i}m#\e[0m"; done; echo; }
  echo ""
  echo -e '\e[38;5;82m' "Downloading ad-blocking hosts files..."
  echo ""
  { for i in {16..51} {51..16}; do echo -en "\e[38;5;${i}m#\e[0m"; done; echo; }
  echo ""
  wget -nv -O - "http://winhelp2002.mvps.org/hosts.txt" >> "$hosts_cooking" || { "$pmrm" -f "$hosts_cooking"; "$pmrm" -f "$hosts_cooked"; printf "\033c"; echo ""; for i in {16..51} {51..16}; do echo -en "\e[38;5;${i}m#\e[0m"; done; echo; echo ""; echo -e '\e[38;5;82m' "OOPS!! Failed to download \"mvps\" hosts file!!"; echo -e '\e[38;5;82m' "Make sure your internet connection is active!"; echo -e '\e[38;5;82m' "If the problem persists you can report it at,"; echo -e '\e[38;5;82m' "GitHub repository of the project by creating,"; echo -e '\e[38;5;82m' "an issue there. Here is the link to the repo,"; echo ""; echo -e '\e[38;5;82m' "https://github.com/hakerdefo/pmiab"; echo ""; echo -e '\e[38;5;82m' "If you don't use GitHub you can report it by,"; echo -e '\e[38;5;82m' "emailing the author at the following address,"; echo ""; echo -e '\e[38;5;82m' "hakerdefo (at) gmail (dot) com"; echo ""; for i in {16..51} {51..16}; do echo -en "\e[38;5;${i}m#\e[0m"; done; echo; echo ""; tput sgr0; exit 1; }
  wget -nv -O - "http://hosts-file.net/ad_servers.asp" >> "$hosts_cooking" || { "$pmrm" -f "$hosts_cooking"; "$pmrm" -f "$hosts_cooked"; printf "\033c"; echo ""; for i in {16..51} {51..16}; do echo -en "\e[38;5;${i}m#\e[0m"; done; echo; echo ""; echo -e '\e[38;5;82m' "OOPS!! Failed to download \"hpHo\" hosts file!!"; echo -e '\e[38;5;82m' "Make sure your internet connection is active!"; echo -e '\e[38;5;82m' "If the problem persists you can report it at,"; echo -e '\e[38;5;82m' "GitHub repository of the project by creating,"; echo -e '\e[38;5;82m' "an issue there. Here is the link to the repo,"; echo ""; echo -e '\e[38;5;82m' "https://github.com/hakerdefo/pmiab"; echo ""; echo -e '\e[38;5;82m' "If you don't use GitHub you can report it by,"; echo -e '\e[38;5;82m' "emailing the author at the following address,"; echo ""; echo -e '\e[38;5;82m' "hakerdefo (at) gmail (dot) com"; echo ""; for i in {16..51} {51..16}; do echo -en "\e[38;5;${i}m#\e[0m"; done; echo; echo ""; tput sgr0; exit 1; }
  wget -nv -O - "http://someonewhocares.org/hosts/hosts" >> "$hosts_cooking" || { "$pmrm" -f "$hosts_cooking"; "$pmrm" -f "$hosts_cooked"; printf "\033c"; echo ""; for i in {16..51} {51..16}; do echo -en "\e[38;5;${i}m#\e[0m"; done; echo; echo ""; echo -e '\e[38;5;82m' "OOPS!! Failed to download \"sowc\" hosts file!!"; echo -e '\e[38;5;82m' "Make sure your internet connection is active!"; echo -e '\e[38;5;82m' "If the problem persists you can report it at,"; echo -e '\e[38;5;82m' "GitHub repository of the project by creating,"; echo -e '\e[38;5;82m' "an issue there. Here is the link to the repo,"; echo ""; echo -e '\e[38;5;82m' "https://github.com/hakerdefo/pmiab"; echo ""; echo -e '\e[38;5;82m' "If you don't use GitHub you can report it by,"; echo -e '\e[38;5;82m' "emailing the author at the following address,"; echo ""; echo -e '\e[38;5;82m' "hakerdefo (at) gmail (dot) com"; echo ""; for i in {16..51} {51..16}; do echo -en "\e[38;5;${i}m#\e[0m"; done; echo; echo ""; tput sgr0; exit 1; }
  wget -nv -O - "http://pgl.yoyo.org/adservers/serverlist.php?hostformat=hosts&showintro=0&mimetype=plaintext" >> "$hosts_cooking" || { "$pmrm" -f "$hosts_cooking"; "$pmrm" -f "$hosts_cooked"; printf "\033c"; echo ""; for i in {16..51} {51..16}; do echo -en "\e[38;5;${i}m#\e[0m"; done; echo; echo ""; echo -e '\e[38;5;82m' "OOPS!! Failed to download \"yoyo\" hosts file!!"; echo -e '\e[38;5;82m' "Make sure your internet connection is active!"; echo -e '\e[38;5;82m' "If the problem persists you can report it at,"; echo -e '\e[38;5;82m' "GitHub repository of the project by creating,"; echo -e '\e[38;5;82m' "an issue there. Here is the link to the repo,"; echo ""; echo -e '\e[38;5;82m' "https://github.com/hakerdefo/pmiab"; echo ""; echo -e '\e[38;5;82m' "If you don't use GitHub you can report it by,"; echo -e '\e[38;5;82m' "emailing the author at the following address,"; echo ""; echo -e '\e[38;5;82m' "hakerdefo (at) gmail (dot) com"; echo ""; for i in {16..51} {51..16}; do echo -en "\e[38;5;${i}m#\e[0m"; done; echo; echo ""; tput sgr0; exit 1; }
  printf "\033c"
  echo ""
  { for i in {16..51} {51..16}; do echo -en "\e[38;5;${i}m#\e[0m"; done; echo; }
  echo ""
  echo -e '\e[38;5;82m' "Parsing, Cleaning, De-Duplicating, Sorting..."
  echo ""
  { for i in {16..51} {51..16}; do echo -en "\e[38;5;${i}m#\e[0m"; done; echo; }
  echo ""
  sleep 1
  sed -e 's/\r//' -e '/^127.0.0.1/!d' -e '/localhost/d' -e 's/127.0.0.1/0.0.0.0/' -e 's/ \+/\t/' -e 's/#.*$//' -e 's/[ \t]*$//' < "$hosts_cooking" | sort -u > "$hosts_cooked"
  printf "\033c"
  echo ""
  { for i in {16..51} {51..16}; do echo -en "\e[38;5;${i}m#\e[0m"; done; echo; }
  echo ""
  echo -e '\e[38;5;82m' "Merging ad-blocking hosts with original system hosts..."
  echo ""
  { for i in {16..51} {51..16}; do echo -en "\e[38;5;${i}m#\e[0m"; done; echo; }
  echo ""
  sleep 1
  echo -e "\n# Ad blocking list generated on $datum" | cat /etc/hosts-system - "$hosts_cooked" > /etc/hosts-block
  printf "\033c"
  echo ""
  { for i in {16..51} {51..16}; do echo -en "\e[38;5;${i}m#\e[0m"; done; echo; }
  echo ""
  echo -e '\e[38;5;82m' "Doing some clean-up..."
  echo ""
  { for i in {16..51} {51..16}; do echo -en "\e[38;5;${i}m#\e[0m"; done; echo; }
  echo ""
  sleep 1
  "$pmrm" -f "$hosts_cooking"
  "$pmrm" -f "$hosts_cooked"
  printf "\033c"
  echo ""
  { for i in {16..51} {51..16}; do echo -en "\e[38;5;${i}m#\e[0m"; done; echo; }
  echo ""
  echo -e '\e[38;5;82m' "Installing pmiab generated hosts file..."
  echo ""
  { for i in {16..51} {51..16}; do echo -en "\e[38;5;${i}m#\e[0m"; done; echo; }
  echo ""
  sleep 1
  "$pmcp" /etc/hosts-block /etc/hosts
  printf "\033c"
  echo ""
  { for i in {16..51} {51..16}; do echo -en "\e[38;5;${i}m#\e[0m"; done; echo; }
  echo ""
  echo -e '\e[38;5;82m' "All done!!! Enjoy the internet without those pesky adverts!!!"
  echo ""
  { for i in {16..51} {51..16}; do echo -en "\e[38;5;${i}m#\e[0m"; done; echo; }
  echo ""
  echo ""
  read -r -s -p $'Press Any Key To Return To Main Menu\n' -n1
  starrt
}
########
function pm_netchk (){
  wget --spider --user-agent="Mozilla/5.0 Gecko/20100101" --timeout=30 -q "www.google.com" -O /dev/null
  RETVAL=$?
  case "$RETVAL" in
    0)
      pm_block
      ;;
    *)
      printf "\033c"
      echo ""
      { for i in {16..51} {51..16}; do echo -en "\e[38;5;${i}m#\e[0m"; done; echo; }
      echo ""
      echo -e '\e[38;5;82m' "No active internet connection available!!"
      echo -e '\e[38;5;82m' "Please check your internet connectivity!!"
      echo -e '\e[38;5;82m' "Active internet connection is required to"
      echo -e '\e[38;5;82m' "download necessary adblocking hosts files"
      echo ""
      echo ""
      read -r -s -p $'Press Any Key To Return To Main Menu\n' -n1
      starrt
      ;;
  esac
}
########
function starrt (){
  if [ "$EUID" -ne 0 ]; then
    printf "\033c"
    echo ""
    { for i in {16..51} {51..16}; do echo -en "\e[38;5;${i}m#\e[0m"; done; echo; }
    echo ""
    echo -e '\e[38;5;82m' "You must run \"pmiab\" script using \"sudo\" or as the root user."
    echo -e '\e[38;5;82m' "Hint : \"sudo pmiab\" or \"su -c 'pmiab'\""
    echo ""
    { for i in {16..51} {51..16}; do echo -en "\e[38;5;${i}m#\e[0m"; done; echo; }
    echo ""
    tput sgr0
    exit 1
  fi
  printf "\033c"
  echo ""
  { for i in {16..51} {51..16}; do echo -en "\e[38;5;${i}m#\e[0m"; done; echo; }
  echo ""
  echo -e '\e[38;5;82m' "pmiab - (Poor Man's Internet Ad Blocker) blocks ads system-wide"
  echo ""
  { for i in {16..51} {51..16}; do echo -en "\e[38;5;${i}m#\e[0m"; done; echo; }
  echo ""
  echo ""
  echo -e '\e[38;5;82m' "01 Block Internet Adverts"
  echo -e '\e[38;5;82m' "02 Unblock Internet Adverts"
  echo -e '\e[38;5;82m' "03 Quit pmiab"
  echo -e ""
  echo -e ""
  echo -e '\e[38;5;82m' "Enter Your Choice: "
  echo -e ""
  read -r Choice
  case $Choice in
    01 | 1)
      pm_netchk
      ;;
    02 | 2)
      pm_unblock
      ;;
    03 | 3)
      byye
      ;;
    *)
      printf "\033c"
      echo -e ""
      echo -e ""
      echo -e '\e[38;5;82m' "\"$Choice\" Is An Invalid Option!"
      echo -e ""
      echo -e '\e[38;5;82m' "Correct Options To Choose From Are 1-2-3"
      echo -e ""
      echo -e '\e[38;5;82m' "To block internet adverts press \"1\" & hit \"Enter\" key"
      echo -e '\e[38;5;82m' "To restore original hosts press \"2\" & hit \"Enter\" key"
      echo -e '\e[38;5;82m' "To exit from pmiab script press \"3\" & hit \"Enter\" key"
      echo -e '\e[38;5;82m' "Got It?!? Ready To Give It Another Go?!?"
      echo -e ""
      read -r -s -p $'Press Any Key To Try Again...\n' -n1
      starrt
      ;;
  esac
}
########
while :
do
  starrt
done



Cheers!!!

[VastOne]

Going to give this a thorough testing tonight

[hakerdefo]

Going to give this a thorough testing tonight

Did it work for you?!?
Any bug, idea, suggestion?

Cheers!!!

[VastOne]

I like it.. it works extremely well.. the only issue I had was that is shut down some things I wanted.. like a weather tab I use, it refused to display the site at all.. so it would be nice to easily exclude a site but I have no idea how you could go about doing that

[PackRat]

^ I think you can create a whitelist using the /etc/hosts.allow file.

But you may need to put the malware blocking sites from this script in the /etc/hosts.deny file rather than /etc/hosts.

Maybe check out the Arch Forum/Wiki - I've seen a couple posts/threads about blocking malware from /etc/hosts over there.

[hakerdefo]

Hi there Vasty,
Open /etc/hosts.allow file and add,

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ALL: .foobar.com


Where ".foobar.com" is the site that you want to allow (weather tab site for example). Save the file. Clear your browser's cache and try to open that site. Does this work? If it does then I'll add option to white-list sites in the script.

Cheers!!!

[VastOne]

Aye that works fine..

Thanks!

[hakerdefo]

Aye that works fine..

Thanks!

Great!!! Thanks for the testing work!!!
I'll update the script with an option to add website(s) to the white-list 

Cheers!!!