Delete synterloper/setup_synterloper.sh

synterloper/setup_synterloper.sh

@@ -1,122 +0,0 @@
-#!/bin/sh
-#
-# setup_synterloper.sh
-#
-# Sets up a background packet capture service for a specified TCP port (default 22).
-# Designed for automated execution on first-boot via cloud-init or user data.
-#
-
-# --- Configuration ---
-LOG_DIR="/var/log/synterloper"
-CAPTURE_PORT="22"
-ROTATE_SECONDS="3600" # 3600 seconds = 1 hour
-RETENTION_DAYS="7"
-SNAP_LEN="128" # Bytes to capture per packet
-
-# --- Script Logic ---
-
-# Ensure script is run as root
-if [ "$(id -u)" -ne 0 ]; then
-  echo "Error: This script must be run as root." >&2
-  exit 1
-fi
-
-# Detect OS and install dependencies
-OS_TYPE=$(uname)
-echo "Initializing SYNterloper setup for OS: ${OS_TYPE}"
-
-if [ "${OS_TYPE}" = "Linux" ]; then
-  echo "Installing dependencies (tcpdump) using apt..."
-  export DEBIAN_FRONTEND=noninteractive
-  if ! apt-get update >/dev/null; then echo "Error: apt-get update failed."; exit 1; fi
-  if ! apt-get install -y tcpdump >/dev/null; then echo "Error: apt-get install failed."; exit 1; fi
-elif [ "${OS_TYPE}" = "FreeBSD" ]; then
-  echo "Installing dependencies (tcpdump) using pkg..."
-  if ! pkg install -y tcpdump >/dev/null; then echo "Error: pkg install failed."; exit 1; fi
-else
-  echo "Error: Unsupported OS type '${OS_TYPE}'" >&2
-  exit 1
-fi
-echo "Dependency installation complete."
-
-# Create log directory with appropriate permissions
-echo "Creating log directory: ${LOG_DIR}"
-mkdir -p "${LOG_DIR}"
-chown root:root "${LOG_DIR}"
-chmod 700 "${LOG_DIR}"
-
-# Create the system service
-if [ "${OS_TYPE}" = "Linux" ]; then
-  # Systemd Service for Linux (Debian/Ubuntu)
-  echo "Creating systemd service: synterloper.service"
-  cat > /etc/systemd/system/synterloper.service <<EOF
-[Unit]
-Description=SYNterloper - TCP Port Connection Logger
-After=network.target
-
-[Service]
-Type=simple
-ExecStart=/bin/sh -c 'exec /usr/sbin/tcpdump -i \$(ip -4 route get 1.1.1.1 | grep -oP "dev \\K\\S+") -s ${SNAP_LEN} -w ${LOG_DIR}/capture-%Y-%m-%d_%H-%M.pcap -G ${ROTATE_SECONDS} "tcp port ${CAPTURE_PORT}"'
-Restart=on-failure
-RestartSec=5
-
-[Install]
-WantedBy=multi-user.target
-EOF
-
-  echo "Enabling and starting synterloper service (systemd)..."
-  systemctl daemon-reload
-  systemctl enable synterloper.service
-  systemctl start synterloper.service
-
-elif [ "${OS_TYPE}" = "FreeBSD" ]; then
-  # rc.d Service for FreeBSD
-  echo "Creating rc.d script: /usr/local/etc/rc.d/synterloper"
-  cat > /usr/local/etc/rc.d/synterloper <<'EOF'
-#!/bin/sh
-#
-# PROVIDE: synterloper
-# REQUIRE: NETWORKING
-# KEYWORD: shutdown
-#
-. /etc/rc.subr
-name="synterloper"
-rcvar="synterloper_enable"
-load_rc_config \$name
-: \${synterloper_enable:="NO"}
-: \${synterloper_port:="22"}
-: \${synterloper_logdir:="/var/log/synterloper"}
-: \${synterloper_rotate_sec:="3600"}
-: \${synterloper_snaplen:="128"}
-default_iface=\$(route -n get default | grep 'interface:' | awk '{print \$2}')
-command="/usr/sbin/tcpdump"
-command_args="-i \${default_iface} -s \${synterloper_snaplen} -w \${synterloper_logdir}/capture-%Y-%m-%d_%H-%M.pcap -G \${synterloper_rotate_sec} \"tcp port \${synterloper_port}\""
-pidfile="/var/run/\${name}.pid"
-start_cmd="daemon -p \${pidfile} \${command} \${command_args}"
-run_rc_command "\$1"
-EOF
-  chmod +x /usr/local/etc/rc.d/synterloper
-
-  echo "Enabling and starting synterloper service (rc.d)..."
-  sysrc synterloper_enable=YES
-  sysrc synterloper_port="${CAPTURE_PORT}"
-  sysrc synterloper_logdir="${LOG_DIR}"
-  sysrc synterloper_rotate_sec="${ROTATE_SECONDS}"
-  sysrc synterloper_snaplen="${SNAP_LEN}"
-  service synterloper start
-fi
-echo "Service configuration complete."
-
-# Create the log rotation cron job
-echo "Creating daily log cleanup cron job..."
-cat > /etc/cron.daily/synterloper-cleanup <<EOF
-#!/bin/sh
-# Deletes SYNterloper capture files older than ${RETENTION_DAYS} days.
-find "${LOG_DIR}" -name "*.pcap" -type f -mtime +${RETENTION_DAYS} -delete
-EOF
-chmod +x /etc/cron.daily/synterloper-cleanup
-
-echo ""
-echo "--- SYNterloper Setup Complete ---"
-echo "Service is now logging TCP port ${CAPTURE_PORT} to ${LOG_DIR}"
-echo "----------------------------------"