load

#!/bin/bash

csgo_pid=$(pidof csgo_linux64)
if [ -z "$csgo_pid" ]; then
    /bin/echo -e "\\e[31mCS:GO needs to be open before you can inject...\\e[0m"
    exit 1
fi

if [ ! -d ".git" ]; then
    /bin/echo "We have detected that you have downloaded Fuzion-master.zip from GitHub.com. This is the WRONG way to download! Please download Fuzion by cloning the Git repository: 'git clone --recursive https://github.com/LWSS/Fuzion.git'"
fi

# pBypass for crash dumps being sent
# You may also want to consider using -nobreakpad in your launch options.
sudo rm -rf /tmp/dumps # Remove if it exists
sudo mkdir /tmp/dumps # Make it as root
sudo chmod 000 /tmp/dumps # No permissions

filename="libMars.so"

# Credit: Aixxe @ aixxe.net
if grep -q "$filename" /proc/"$csgo_pid"/maps; then
    /bin/echo -e "\\e[33mFuzion is already injected... Aborting...\\e[0m"
    exit
fi
echo "Injecting Build ID: $filename"

# https://www.kernel.org/doc/Documentation/security/Yama.txt
sudo echo "2" | sudo tee /proc/sys/kernel/yama/ptrace_scope # Only allows root to inject code. This is temporary until reboot.

sudo cp "$filename" /"$filename"

steam_pids=($(pgrep steam))

for i in "${steam_pids[@]}"
do
	sudo kill -STOP ${i}
done

    input="$(
    sudo gdb -n -q -batch-silent \
      -ex "set logging on" \
      -ex "set logging file /dev/null" \
      -ex "set logging redirect on" \
      -ex "attach $csgo_pid" \
      -ex "set \$dlopen = (void*(*)(char*, int)) dlopen" \
      -ex "call \$dlopen(\"/$filename\", 1)" \
      -ex "detach" \
      -ex "quit"
    )"

sudo rm /"$filename"

sleep 1

sudo kill -STOP ${csgo_pid}

for i in "${steam_pids[@]}"
do
	sudo kill -CONT ${i}
done

sudo kill -CONT ${csgo_pid}

last_line="${input##*$'\n'}"

if [ "$last_line" != "\$1 = (void *) 0x0" ]; then
    /bin/echo -e "\\e[32mSuccessfully injected!\\e[0m"
else
    /bin/echo -e "\\e[31mInjection failed, make sure you have compiled...\\e[0m"
fi