update

maintenance/crowdsec_removal.sh

@@ -4,7 +4,7 @@
 #             VARIABLES             #
 #-----------------------------------#
 
-this_script_url="https://git.hhf.technology/hhf/script-management-cloudpanel/raw/branch/main/maintenance/crowdsec_removal.sh"  # Replace with actual URL
+this_script_url="https://git.hhf.technology/hhf/script-management-cloudpanel/raw/branch/main/maintenance/crowdsec_removal.sh"
 this_script_name="CrowdSec Removal Script"
 formatter_url="https://git.hhf.technology/hhf/TaskFormatter/raw/branch/main/bash_task_formatter/task_formatter.sh"
 scriptname=$0
@@ -19,7 +19,7 @@ success=0
 USER_TO_RUN_AS="${1:-$SUDO_USER}"
 USER_HOME=$(eval echo ~$USER_TO_RUN_AS)
 
-# Logging and backup setup
+# Logging setup
 LOGFILE="/var/log/crowdsec_removal_$(date +%Y%m%d_%H%M%S).log"
 BACKUP_DIR="/var/backup/crowdsec_$(date +%Y%m%d_%H%M%S)"
 
@@ -61,23 +61,86 @@ download_formatter
 #             FUNCTIONS             #
 #-----------------------------------#
 
+# Trap errors and interrupts
+trap 'error_handler $? $LINENO' ERR
+trap 'cleanup' EXIT
+trap 'interrupt_handler' INT TERM
+
+# Function to handle errors
+error_handler() {
+    local exit_code=$1
+    local line_number=$2
+    log_message "ERROR" "Error $exit_code occurred on line $line_number"
+    cleanup
+    exit "$exit_code"
+}
+
+# Function to handle interrupts
+interrupt_handler() {
+    log_message "WARNING" "Script interrupted by user"
+    cleanup
+    exit 130
+}
+
+# Cleanup function
+cleanup() {
+    # Remove temporary files if they exist
+    [ -f "/tmp/crowdsec_services.tmp" ] && rm -f "/tmp/crowdsec_services.tmp"
+    [ -f "/tmp/crowdsec_packages.tmp" ] && rm -f "/tmp/crowdsec_packages.tmp"
+    format_output cleanup_files "Cleaning up temporary files"
+    format_output remove_script "Removing script"
+}
+
 # Function to check if a command exists
 command_exists() {
     command -v "$1" >/dev/null 2>&1
 }
 
+# Enhanced logging function with formatter integration
+log_message() {
+    local level=$1
+    local message=$2
+    local timestamp=$(date '+%Y-%m-%d %H:%M:%S')
+    echo "[$timestamp] [$level] $message" >> "$LOGFILE"
+    case $level in
+        "INFO")    log "$message" ;;
+        "WARNING") log "$message" ;;
+        "ERROR")   log "$message" ;;
+        "SUCCESS") log "${CHECK_MARK} $message" ;;
+    esac
+}
+
+# Function to check system requirements
+check_system_requirements() {
+    local missing_deps=()
+    
+    # Check for required commands
+    for cmd in systemctl grep awk sed; do
+        if ! command_exists "$cmd"; then
+            missing_deps+=("$cmd")
+        fi
+    done
+    
+    if [ ${#missing_deps[@]} -ne 0 ]; then
+        log_message "ERROR" "Missing required dependencies: ${missing_deps[*]}"
+        return 1
+    fi
+    return 0
+}
+
 # Function to check if running as root
 check_root() {
     if [ "$(id -u)" -ne 0 ]; then
-        echo -e "Please run as root $CROSS_MARK"
+        log_message "ERROR" "Please run as root"
-        exit 1
+        return 1
     fi
-    echo -e "Running as root $CHECK_MARK"
     return 0
 }
 
 # Function to create backup
 create_backup() {
+    log_message "INFO" "Creating backup of CrowdSec configurations..."
+    
     mkdir -p "$BACKUP_DIR"
     
     # Backup configuration files
@@ -94,198 +157,169 @@ create_backup() {
         find "/etc/systemd/system" -name "*crowdsec*" -exec cp {} "$BACKUP_DIR/" \;
     fi
     
-    echo -e "Backup created at $BACKUP_DIR $CHECK_MARK"
+    log_message "SUCCESS" "Backup created at $BACKUP_DIR"
     return 0
 }
 
-# Function to check services
+# Enhanced service check function
 check_services() {
+    log_message "INFO" "Checking for CrowdSec services..."
     systemctl list-units --type=service --all | grep -i crowdsec | awk '{print $1}' > /tmp/crowdsec_services.tmp
     
     if [ ! -s /tmp/crowdsec_services.tmp ]; then
-        echo -e "No CrowdSec services found $CHECK_MARK"
+        log_message "SUCCESS" "No CrowdSec services found."
         services=""
         return 0
     else
         services=$(cat /tmp/crowdsec_services.tmp)
-        echo "Found CrowdSec services:"
+        log_message "WARNING" "Found CrowdSec services:"
-        cat /tmp/crowdsec_services.tmp
+        echo "$services" | while read -r service; do
-        echo -e "Service check completed $CHECK_MARK"
+            log_message "INFO" "Found service: $service"
+        done
         return 0
     fi
 }
 
-# Function to check packages
+# Enhanced package check function
 check_packages() {
+    log_message "INFO" "Checking for CrowdSec packages..."
+    
     if command_exists dpkg; then
         dpkg -l | grep -i crowdsec | awk '{print $2}' > /tmp/crowdsec_packages.tmp
     elif command_exists rpm; then
         rpm -qa | grep -i crowdsec > /tmp/crowdsec_packages.tmp
     else
-        echo -e "Unable to determine package manager $CROSS_MARK"
+        log_message "ERROR" "Unable to determine package manager."
         return 1
     fi
     
     if [ ! -s /tmp/crowdsec_packages.tmp ]; then
-        echo -e "No CrowdSec packages found $CHECK_MARK"
+        log_message "SUCCESS" "No CrowdSec packages found."
         packages=""
-        return 0
     else
         packages=$(cat /tmp/crowdsec_packages.tmp)
-        echo "Found CrowdSec packages:"
+        log_message "WARNING" "Found CrowdSec packages:"
-        cat /tmp/crowdsec_packages.tmp
+        echo "$packages" | while read -r package; do
-        echo -e "Package check completed $CHECK_MARK"
+            log_message "INFO" "Found package: $package"
-        return 0
+        done
     fi
-}
-
-# Function to disable services
-disable_services() {
-    if [ -z "$services" ]; then
-        echo -e "No CrowdSec services to disable $CHECK_MARK"
-        return 0
-    fi
-    
-    local success=0
-    echo "$services" | while read -r service; do
-        if ! systemctl stop "$service" 2>/dev/null || ! systemctl disable "$service" 2>/dev/null; then
-            echo -e "Failed to disable $service $CROSS_MARK"
-            success=1
-        fi
-    done
-    
-    if [ $success -eq 0 ]; then
-        echo -e "Services disabled successfully $CHECK_MARK"
-        return 0
-    else
-        echo -e "Some services failed to disable $CROSS_MARK"
-        return 1
-    fi
-}
-
-# Function to remove packages
-remove_packages() {
-    if [ -z "$packages" ]; then
-        echo -e "No CrowdSec packages to remove $CHECK_MARK"
-        return 0
-    fi
-    
-    # First stop and disable all CrowdSec-related services
-    systemctl stop 'crowdsec*' 2>/dev/null
-    systemctl disable 'crowdsec*' 2>/dev/null
-    
-    local success=0
-    
-    # Debian/Ubuntu systems
-    if command_exists apt-get; then
-        # Remove CrowdSec packages
-        DEBIAN_FRONTEND=noninteractive apt-get remove --purge -y crowdsec crowdsec-firewall-bouncer-iptables '*crowdsec*' 2>/dev/null
-        DEBIAN_FRONTEND=noninteractive apt-get autoremove -y 2>/dev/null
-        
-        # Remove APT repository
-        rm -f /etc/apt/sources.list.d/crowdsec.list
-        apt-get update
-    
-    # RHEL/CentOS systems
-    elif command_exists yum; then
-        yum remove -y crowdsec crowdsec-firewall-bouncer-iptables '*crowdsec*' 2>/dev/null
-        yum autoremove -y 2>/dev/null
-        
-        # Remove YUM repository
-        rm -f /etc/yum.repos.d/crowdsec.repo
-        yum clean all
-        
-    # Fedora systems
-    elif command_exists dnf; then
-        dnf remove -y crowdsec crowdsec-firewall-bouncer-iptables '*crowdsec*' 2>/dev/null
-        dnf autoremove -y 2>/dev/null
-        
-        # Remove DNF repository
-        rm -f /etc/yum.repos.d/crowdsec.repo
-        dnf clean all
-    else
-        echo -e "No supported package manager found $CROSS_MARK"
-        return 1
-    fi
-
-    echo -e "Packages and repositories removed successfully $CHECK_MARK"
     return 0
 }
 
-# Function to remove configuration and additional files
+# Enhanced service disable function
-remove_config() {
+disable_services() {
-    # List of locations to clean
+    log_message "INFO" "Disabling CrowdSec services..."
-    local paths_to_clean=(
+    if [ -z "$services" ]; then
-        # Configuration directories
+        log_message "WARNING" "No CrowdSec services to disable."
-        "/etc/crowdsec"
+        return 0
-        "/var/lib/crowdsec"
+    fi
-        "/usr/local/lib/crowdsec"
-        "/usr/share/crowdsec"
-        # Binary and executable files
-        "/usr/local/bin/crowdsec"
-        "/usr/local/bin/cscli"
-        "/usr/bin/crowdsec"
-        "/usr/bin/cscli"
-        # Service files
-        "/etc/systemd/system/crowdsec.service"
-        "/etc/systemd/system/crowdsec-firewall-bouncer.service"
-        "/lib/systemd/system/crowdsec.service"
-        "/lib/systemd/system/crowdsec-firewall-bouncer.service"
-        # Log files
-        "/var/log/crowdsec.log"
-        "/var/log/crowdsec-firewall-bouncer.log"
-        # Additional data directories
-        "/var/run/crowdsec"
-        "/run/crowdsec"
-        # Database files
-        "/var/lib/crowdsec/data/crowdsec.db"
-    )
     
-    local success=0
+    echo "$services" | while read -r service; do
-    for path in "${paths_to_clean[@]}"; do
+        systemctl stop "$service" 2>/dev/null
-        if [ -e "$path" ]; then
+        if [ $? -eq 0 ]; then
-            if ! rm -rf "$path" 2>/dev/null; then
+            systemctl disable "$service" 2>/dev/null
-                echo -e "Failed to remove: $path $CROSS_MARK"
+            log_message "SUCCESS" "Disabled $service"
-                success=1
+        else
+            log_message "ERROR" "Failed to stop $service"
+            return 1
+        fi
+    done
+    return 0
+}
+
+# Enhanced package removal function
+remove_packages() {
+    log_message "INFO" "Removing CrowdSec packages..."
+    if [ -z "$packages" ]; then
+        log_message "WARNING" "No CrowdSec packages to remove."
+        return 0
+    fi
+    
+    local remove_cmd=""
+    if command_exists apt-get; then
+        remove_cmd="apt-get remove --purge -y"
+        cleanup_cmd="apt-get autoremove -y"
+    elif command_exists yum; then
+        remove_cmd="yum remove -y"
+        cleanup_cmd="yum autoremove -y"
+    elif command_exists dnf; then
+        remove_cmd="dnf remove -y"
+        cleanup_cmd="dnf autoremove -y"
+    else
+        log_message "ERROR" "No supported package manager found."
+        return 1
+    fi
+    
+    local failed=0
+    echo "$packages" | while read -r package; do
+        if $remove_cmd "$package"; then
+            log_message "SUCCESS" "Removed package: $package"
+        else
+            log_message "ERROR" "Failed to remove package: $package"
+            failed=1
+        fi
+    done
+    
+    if [ $failed -eq 0 ] && $cleanup_cmd; then
+        log_message "SUCCESS" "Cleaned up dependencies"
+        return 0
+    fi
+    return 1
+}
+
+# Enhanced repository removal function
+remove_apt_repos() {
+    log_message "INFO" "Removing CrowdSec repository entries..."
+    if ! command_exists apt-get; then
+        log_message "INFO" "System is not Debian/Ubuntu based, skipping repo removal"
+        return 0
+    fi
+    
+    local repo_files=("/etc/apt/sources.list" "/etc/apt/sources.list.d/"*)
+    local failed=0
+    
+    for file in "${repo_files[@]}"; do
+        if [ -f "$file" ] && grep -q "crowdsec" "$file"; then
+            if sed -i '/crowdsec/d' "$file"; then
+                log_message "SUCCESS" "Removed CrowdSec entry from $file"
             else
-                echo -e "Removed: $path $CHECK_MARK"
+                log_message "ERROR" "Failed to remove CrowdSec entry from $file"
+                failed=1
             fi
         fi
     done
     
-    # Clean up any remaining crowdsec processes
+    if [ $failed -eq 0 ] && apt-get update >/dev/null 2>&1; then
-    pkill -f crowdsec 2>/dev/null
+        log_message "SUCCESS" "APT repositories updated"
-    
-    # Reload systemd to recognize the changes
-    systemctl daemon-reload 2>/dev/null
-    
-    if [ $success -eq 0 ]; then
-        echo -e "All CrowdSec files and configurations removed successfully $CHECK_MARK"
         return 0
-    else
-        echo -e "Some files or configurations could not be removed $CROSS_MARK"
-        return 1
     fi
+    return 1
 }
 
-# Remove created files on cleanup
+# Enhanced configuration removal function
-cleanup_files() {
+remove_config() {
-    rm -f /tmp/crowdsec_services.tmp /tmp/crowdsec_packages.tmp
+    log_message "INFO" "Removing CrowdSec configuration files..."
-    echo -e "Cleaned up temporary files $CHECK_MARK"
+    
-    return 0
+    local config_dirs=(
-}
+        "/etc/crowdsec"
-
+        "/var/lib/crowdsec"
-# Remove the script itself
+        "/usr/local/lib/crowdsec"
-remove_script() {
+        "/usr/share/crowdsec"
-    if [ -f "$0" ]; then
+    )
-        echo "Removing monitoring script..."
+    
-        rm -- "$0"
+    local failed=0
-    fi
+    for dir in "${config_dirs[@]}"; do
-    if [ -f "task_formatter.sh" ]; then
+        if [ -d "$dir" ]; then
-        rm task_formatter.sh
+            if rm -rf "$dir" 2>/dev/null; then
-    fi
+                log_message "SUCCESS" "Removed directory: $dir"
-    echo -e "Cleaned up $CHECK_MARK"
+            else
-    return 0
+                log_message "ERROR" "Failed to remove directory: $dir"
+                failed=1
+            fi
+        fi
+    done
+    
+    [ $failed -eq 0 ] && return 0 || return 1
 }
 
 #-----------------------------------#
@@ -297,33 +331,36 @@ print_header "$this_script_name" "$this_script_url"
 
 echo -e "Running as User: $USER_TO_RUN_AS\nUser Home: $USER_HOME\n"
 
-# Run with formatted output
+# Check requirements
 if ! format_output check_root "Checking root privileges"; then
-    cleanup_files
+    cleanup
-    success=1
+    exit 1
 fi
 
-if ! format_output check_services "Checking CrowdSec services"; then
+if ! format_output check_system_requirements "Checking system requirements"; then
-    cleanup_files
+    cleanup
-    success=1
+    exit 1
 fi
 
-if ! format_output check_packages "Checking CrowdSec packages"; then
+# Initialize log file
-    cleanup_files
+touch "$LOGFILE" || { echo "Cannot create log file"; exit 1; }
-    success=1
+log_message "INFO" "Starting CrowdSec removal script v${VERSION}"
-fi
+
+# Check current state
+format_output check_services "Checking CrowdSec services"
+format_output check_packages "Checking CrowdSec packages"
 
 if [ -z "$services" ] && [ -z "$packages" ]; then
-    echo -e "No CrowdSec components found on your system $CHECK_MARK"
+    log_message "SUCCESS" "No CrowdSec components found on your system."
-    format_output cleanup_files "Cleaning up temporary files"
+    cleanup
-    format_output remove_script "Removing script"
     exit 0
 fi
 
-echo "What would you like to do?"
+# Interactive menu
+log_message "INFO" "What would you like to do?"
 echo "1) Disable CrowdSec services"
 echo "2) Remove CrowdSec packages"
-echo "3) Remove everything (services, packages, and configuration)"
+echo "3) Remove everything (services, packages, configuration, and repositories)"
 echo "4) Exit without changes"
 
 read -r -p "Enter your choice (1-4): " choice
@@ -333,22 +370,17 @@ case $choice in
     2) format_output remove_packages "Removing CrowdSec packages" ;;
     3)
         format_output create_backup "Creating backup"
-        format_output disable_services "Disabling CrowdSec services"
+        format_output disable_services "Disabling services"
-        format_output remove_packages "Removing CrowdSec packages"
+        format_output remove_packages "Removing packages"
-        format_output remove_config "Removing CrowdSec configuration"
+        format_output remove_apt_repos "Removing repositories"
-        ;;
+        format_output remove_config "Removing configuration"
-    4) 
-        echo -e "Exiting without changes $CHECK_MARK"
-        success=0
-        ;;
-    *)
-        echo -e "Invalid choice $CROSS_MARK"
-        success=1
         ;;
+    4) log_message "INFO" "Exiting without changes."; cleanup; exit 0 ;;
+    *) log_message "ERROR" "Invalid choice."; cleanup; exit 1 ;;
 esac
 
-format_output cleanup_files "Cleaning up temporary files"
+log_message "SUCCESS" "Operations completed successfully."
-format_output remove_script "Removing script"
+echo "Log file available at: $LOGFILE"
 
 # Exit with appropriate status
 exit $success