installer

#!/bin/bash

# Check if the script is running as root
if [ "$(id -u)" -ne 0 ]; then
  echo "Please run this script as root."
  exit 1
fi

# Define the URL of the file to download
OSU_URL="https://raw.githubusercontent.com/oddbyte/oSu/refs/heads/main/oSu.c"
OSU_FILE="oSu.c"
OUTPUT_PATH="/usr/local/bin/osu"

# Install necessary dependencies
echo "Installing dependencies..."
apt update
apt install libcap2 libcap2-bin libcap-dev libpam0g-dev -y

# Download oSu.c from the specified URL
echo "Downloading oSu.c..."
curl -o "$OSU_FILE" "$OSU_URL"
if [ $? -ne 0 ]; then
  echo "Failed to download $OSU_FILE from $OSU_URL"
  exit 1
fi

# Compile the downloaded file with specified libraries
echo "Compiling $OSU_FILE..."
gcc -o "$OUTPUT_PATH" "$OSU_FILE" -lcap -lutil -lpam -lpam_misc
if [ $? -ne 0 ]; then
  echo "Compilation failed."
  exit 1
fi

# Set permissions and capabilities
echo "Setting permissions and capabilities..."
chmod 555 "$OUTPUT_PATH"
setcap "all=eip" "$OUTPUT_PATH"
if [ $? -ne 0 ]; then
  echo "Failed to set capabilities on $OUTPUT_PATH."
  exit 1
fi

echo "Installation of osu completed successfully."