fixbash

#!/bin/sh
##############################################################
# This is the xdistro.in bash updater script.
# Version 1.2!
#
# Are you looking at this in your web browser, and would like to apply the bash patches?
# Just open up your terminal and type:
#
#    curl http://xdistro.xyz/shellshock/fixbash | sh
########
# This script will download bash 4.3 to your home directory, extract, download patches, patch,
# install patches, and install the fixed bash.
#   - Mac: OS X
#   - Linux: x86 and x86_64 systems
##############################################################
echo "----------------------------------------------"
echo "-- WELCOME TO THE SHELLSHOCKER BASH PATCHER --"
echo "----------------------------------------------"
echo "---     Revision 8, 092914-4:56PM ETC      ---"
echo "--- Provided by http://xdistro.in/shellshock -"
echo "----------------------------------------------"
echo "Creating folders..."
cd ~/
mkdir bash-shellshocker
cd bash-shellshocker
echo "Downloading Bash..."
wget https://ftp.gnu.org/gnu/bash/bash-4.3.tar.gz
echo "Downloading Bash patches..."
i=0
rtn=0
while [ $rtn -eq 0 ]; do
    i=`expr $i + 1`
    wget https://ftp.gnu.org/gnu/bash/bash-4.3-patches/bash43-$(printf '%03g' $i)
    rtn=$?
done
i=`expr $i - 1`
echo "Extracting bash from tar.gz..."
tar zxvf bash-4.3.tar.gz
cd bash-4.3
echo "Applying Patches..."
for j in $(seq -f "%03g" 1 $i);do patch -p0 < ../bash43-$j; done

if [[ "$USER" == "root" ]]
then
  echo "Ready to install. Configuring..."
  ./configure --prefix=/
  echo "Running make"
  make
  echo "Running make install"
  make install
  cp /bin/bash /usr/local/bin/bash
else
  echo "Ready to install. Configuring... You may need to type your sudo password here."
  sudo ./configure --prefix=/
  echo "Running make"
  sudo make
  echo "Running make install"
  sudo make install
  sudo cp /bin/bash /usr/local/bin/bash
fi

echo "----------------------------------------------"
echo "Done! Try opening a new bash shell and checking if your system is still vulnerable."
echo "Script provided by https://xdistro.in/"
echo "Send issue requests to http://xdistro.in/#contact"
echo "-Thanks"