Developer
2eda47a480
CRITICAL FIXES: - ClamAV installation: Add graceful fallback to yum if cPanel scripts missing (fixes exit code 127 on systems without /scripts/check_cpanel_rpms) - Double-scanning: Replace build_reference_database() with db_ensure_fresh() (eliminates unnecessary cache rebuilds, saves 20-30s per module launch) ENHANCEMENTS: - Add individual scanner installation functions: * install_maldet_only() - Install just Maldet * install_clamav_only() - Install just ClamAV * install_rkhunter_only() - Install just RKHunter - Update Maldet submenu: * Show installation status (✓ Installed / ✗ NOT installed) * Add option 8: Install Maldet - Update main Configuration menu: * Option 10: Install Maldet (individual) * Option 11: Install ClamAV (individual) * Option 12: Install RKHunter (individual) * Option 13: Install ALL scanners (batch) Documentation: Added SCANNER_INSTALLATION_IMPROVEMENTS.md with implementation details
407 lines
13 KiB
Markdown
407 lines
13 KiB
Markdown
# Scanner Installation Issues & Fixes
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**Date:** 2026-04-21
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**Reported Issues:**
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1. ClamAV installation fails with "No such file or directory: /scripts/check_cpanel_rpms"
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2. No way to install individual scanners from dedicated menus (e.g., Maldet submenu)
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---
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## Issue 1: ClamAV Installation Failure
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### Current Behavior
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```bash
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[1/4] Installing ClamAV...
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→ Installing via cPanel package manager...
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/root/linux-server-management-toolkit/modules/security/malware-scanner.sh: line 294: /scripts/check_cpanel_rpms: No such file or directory
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✗ Exited with code: 127
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```
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### Root Cause
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The script tries to use `/scripts/check_cpanel_rpms` which:
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- May not exist on all cPanel installations
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- May have been removed/changed in newer cPanel versions
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- May require specific permissions or cPanel configuration
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**Location:** `/root/server-toolkit-beta/modules/security/malware-scanner.sh` lines 223-226
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### Current Code (PROBLEMATIC)
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```bash
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if [ -f "/usr/local/cpanel/cpanel" ]; then
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# cPanel method - use cPanel's package management only
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if rpm -qa 2>/dev/null | grep -q "cpanel-clamav"; then
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echo -e "${GREEN}✓ ClamAV already installed (cPanel)${NC}"
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else
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echo " → Installing via cPanel package manager..."
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/scripts/update_local_rpm_versions --edit target_settings.clamav installed 2>/dev/null || true
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/scripts/check_cpanel_rpms --fix --targets=clamav 2>&1 | tail -3 # ← FAILS HERE
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fi
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# IMPORTANT: Don't fall through to standard yum - cPanel packages conflict!
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```
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### The Fix
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**Strategy:** If cPanel scripts don't work, fall back to standard package managers with error handling
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**Updated Code:**
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```bash
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if [ -f "/usr/local/cpanel/cpanel" ]; then
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# cPanel method - use cPanel's package management
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if rpm -qa 2>/dev/null | grep -q "cpanel-clamav"; then
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echo -e "${GREEN}✓ ClamAV already installed (cPanel)${NC}"
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else
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echo " → Installing via cPanel package manager..."
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# Try cPanel scripts, but fall back to standard package manager if they fail
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if [ -f "/scripts/check_cpanel_rpms" ] && [ -f "/scripts/update_local_rpm_versions" ]; then
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/scripts/update_local_rpm_versions --edit target_settings.clamav installed 2>/dev/null || true
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if /scripts/check_cpanel_rpms --fix --targets=clamav 2>&1 | tail -3; then
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: # Success, continue
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else
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# cPanel scripts failed, try standard yum
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echo " → cPanel scripts unavailable, trying standard package manager..."
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yum install -y clamav clamav-update 2>&1 | grep -E "Installing|Installed|already" || echo " (installation in progress)"
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fi
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else
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# Scripts don't exist, use standard package manager
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echo " → cPanel tools not available, using standard package manager..."
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yum install -y clamav clamav-update 2>&1 | grep -E "Installing|Installed|already" || echo " (installation in progress)"
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fi
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fi
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# Don't fall through - we've handled installation above
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elif command -v yum &>/dev/null; then
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# Non-cPanel RHEL/CentOS systems
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echo " → Installing via yum..."
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yum install -y clamav clamav-update 2>&1 | grep -E "Installing|Installed|already" || echo " (installation in progress)"
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# ... rest of OS detection
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```
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**Benefits:**
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- ✅ Gracefully falls back if cPanel scripts missing
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- ✅ Still tries cPanel first if available
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- ✅ Provides user feedback on what's happening
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- ✅ Doesn't crash with exit code 127
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---
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## Issue 2: No Individual Scanner Installation
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### Current Behavior
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**In Maldet Submenu:**
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```
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Select scan type:
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1. Scan entire server
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2. Scan all user accounts
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3. Scan specific user account
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4. Scan specific domain
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5. Scan custom path
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6. Update Maldet signatures
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7. View Maldet results
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0. Back to main menu
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```
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**No install option.** If Maldet isn't installed:
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- User tries to scan
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- Script detects Maldet missing
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- Script asks "Install Maldet now? (yes/no)"
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- Calls `install_all_scanners` which installs ALL scanners
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- Overkill and wastes time if user only wants Maldet
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### The Fix
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**Add individual scanner installation functions:**
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```bash
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install_maldet_only() {
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echo ""
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print_banner "Installing Maldet (Linux Malware Detection)"
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echo ""
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if command -v maldet &>/dev/null || [ -f "/usr/local/sbin/maldet" ]; then
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echo -e "${GREEN}✓ Maldet is already installed${NC}"
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echo ""
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read -p "Press Enter to continue..."
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return 0
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fi
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echo "Maldet is a fast, Linux-specific malware scanner"
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echo "Repository: https://github.com/rfxn/maldet"
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echo ""
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echo "Installing via wget..."
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echo ""
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cd /tmp || return 1
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if wget -q https://www.rfxn.com/downloads/maldetect-latest.tar.gz; then
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tar xzf maldetect-latest.tar.gz
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cd maldetect-*
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if bash install.sh > /tmp/maldet-install.log 2>&1; then
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echo -e "${GREEN}✓ Maldet installed successfully${NC}"
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# Update signatures
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echo ""
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echo "Updating malware signatures..."
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if command -v maldet &>/dev/null; then
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maldet -u > /dev/null 2>&1 &
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echo " (signatures updating in background)"
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fi
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else
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echo -e "${RED}✗ Installation failed. Check /tmp/maldet-install.log${NC}"
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fi
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cd /tmp
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rm -rf maldetect-*
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else
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echo -e "${RED}✗ Failed to download Maldet${NC}"
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echo "Try: wget https://www.rfxn.com/downloads/maldetect-latest.tar.gz"
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fi
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echo ""
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read -p "Press Enter to continue..."
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}
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install_clamav_only() {
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echo ""
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print_banner "Installing ClamAV (Open Source Antivirus)"
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echo ""
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if command -v clamscan &>/dev/null; then
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echo -e "${GREEN}✓ ClamAV is already installed${NC}"
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echo ""
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read -p "Press Enter to continue..."
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return 0
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fi
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echo "Installing ClamAV..."
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if command -v yum &>/dev/null; then
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yum install -y clamav clamav-daemon clamav-update 2>&1 | tail -5
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elif command -v apt-get &>/dev/null; then
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apt-get update > /dev/null 2>&1
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apt-get install -y clamav clamav-daemon 2>&1 | tail -5
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else
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echo -e "${RED}✗ No compatible package manager found${NC}"
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return 1
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fi
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if command -v clamscan &>/dev/null; then
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echo -e "${GREEN}✓ ClamAV installed successfully${NC}"
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# Update signatures
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echo ""
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echo "Updating virus signatures..."
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if command -v freshclam &>/dev/null; then
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freshclam > /dev/null 2>&1 &
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echo " (signatures updating in background)"
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fi
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else
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echo -e "${RED}✗ Installation may have failed${NC}"
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fi
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echo ""
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read -p "Press Enter to continue..."
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}
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install_rkhunter_only() {
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echo ""
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print_banner "Installing RKHunter (Rootkit Detection)"
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echo ""
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if command -v rkhunter &>/dev/null; then
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echo -e "${GREEN}✓ RKHunter is already installed${NC}"
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echo ""
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read -p "Press Enter to continue..."
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return 0
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fi
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echo "Installing RKHunter..."
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if command -v yum &>/dev/null; then
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yum install -y rkhunter 2>&1 | tail -3
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elif command -v apt-get &>/dev/null; then
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apt-get install -y rkhunter 2>&1 | tail -3
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else
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echo -e "${RED}✗ No compatible package manager found${NC}"
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return 1
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fi
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if command -v rkhunter &>/dev/null; then
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echo -e "${GREEN}✓ RKHunter installed successfully${NC}"
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else
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echo -e "${RED}✗ Installation may have failed${NC}"
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fi
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echo ""
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read -p "Press Enter to continue..."
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}
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```
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**Update Maldet Submenu to include install option:**
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```bash
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maldet_scan_submenu() {
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while true; do
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echo ""
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print_header "Maldet Scanner - Linux Malware Detection"
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echo "Fast, efficient, Linux-specific malware detection"
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echo ""
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if is_maldet_installed; then
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echo -e "${GREEN}✓ Maldet is installed${NC}"
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else
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echo -e "${RED}✗ Maldet is NOT installed${NC}"
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fi
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echo ""
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echo "Select option:"
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echo -e " ${CYAN}1.${NC} Scan entire server (fastest comprehensive scan)"
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echo -e " ${CYAN}2.${NC} Scan all user accounts"
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echo -e " ${CYAN}3.${NC} Scan specific user account"
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echo -e " ${CYAN}4.${NC} Scan specific domain"
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echo -e " ${CYAN}5.${NC} Scan custom path"
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echo ""
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echo -e " ${CYAN}6.${NC} Update Maldet signatures"
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echo -e " ${CYAN}7.${NC} View Maldet results"
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echo -e " ${CYAN}8.${NC} Install Maldet (if not installed)" # ← NEW
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echo ""
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echo -e " ${RED}0.${NC} Back to main menu"
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echo ""
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while true; do
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read -p "Select option (0-8): " choice
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if ! [[ "$choice" =~ ^[0-8]$ ]]; then
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echo -e "${RED}Invalid option${NC}"
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sleep 1
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continue
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fi
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case $choice in
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1)
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if is_maldet_installed; then
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maldet_launch_scan "server"
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else
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echo -e "${RED}Maldet not installed. Install first (option 8).${NC}"
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sleep 2
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fi
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break
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;;
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2) maldet_launch_scan "all_users"; break ;;
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3) maldet_launch_scan "user"; break ;;
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4) maldet_launch_scan "domain"; break ;;
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5) maldet_launch_scan "custom"; break ;;
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6) maldet_update_signatures; break ;;
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7) maldet_view_results; break ;;
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8) install_maldet_only; break ;; # ← NEW
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0) return 0 ;;
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esac
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done
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done
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}
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```
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**Also add a Scanner Install Submenu:**
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```bash
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scanner_install_submenu() {
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while true; do
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echo ""
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print_banner "Install Individual Scanners"
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echo ""
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echo "Available Scanners:"
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echo -e " ${CYAN}1.${NC} Maldet (Fast, Linux-specific)"
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[ ! -f "/usr/bin/imunify-antivirus" ] && echo " Status: NOT installed"
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[ -f "/usr/bin/imunify-antivirus" ] && echo " Status: ✓ Installed"
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echo -e " ${CYAN}2.${NC} ClamAV (Free, open source)"
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command -v clamscan &>/dev/null && echo " Status: ✓ Installed" || echo " Status: NOT installed"
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echo -e " ${CYAN}3.${NC} RKHunter (Rootkit detection)"
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command -v rkhunter &>/dev/null && echo " Status: ✓ Installed" || echo " Status: NOT installed"
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echo ""
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echo -e " ${CYAN}4.${NC} Install ALL scanners (Maldet + ClamAV + RKHunter + ImunifyAV)"
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echo -e " ${RED}0.${NC} Back"
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echo ""
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read -p "Select option: " choice
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case "$choice" in
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1) install_maldet_only; break ;;
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2) install_clamav_only; break ;;
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3) install_rkhunter_only; break ;;
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4) install_all_scanners; break ;;
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0) return 0 ;;
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*) echo "Invalid option"; sleep 1 ;;
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esac
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done
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}
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```
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**Update main menu to show install submenu:**
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```bash
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# In Configuration section of main menu:
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echo -e " ${CYAN}10.${NC} Install individual scanners"
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echo -e " ${CYAN}11.${NC} Install all scanners (recommended first time)"
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echo -e " ${CYAN}12.${NC} Scanner settings"
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```
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---
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## Implementation Plan
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### Phase 1: Fix ClamAV Installation (10 minutes)
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1. Edit `/root/server-toolkit-beta/modules/security/malware-scanner.sh` lines 223-235
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2. Add fallback logic for missing cPanel scripts
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3. Test: Run "Install all scanners" again, should not fail on ClamAV
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### Phase 2: Add Individual Scanner Install (30 minutes)
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1. Add `install_maldet_only()` function
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2. Add `install_clamav_only()` function
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3. Add `install_rkhunter_only()` function
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4. Update Maldet submenu to include option 8 "Install Maldet"
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5. Update main menu with new install submenu
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6. Test each individual installer
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### Phase 3: Copy to Production (5 minutes)
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1. Copy fixed `/root/server-toolkit-beta/modules/security/malware-scanner.sh` to production
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2. Test production version
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---
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## Testing Checklist
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- [ ] ClamAV installs even if `/scripts/check_cpanel_rpms` missing
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- [ ] Maldet can be installed from Maldet submenu (option 8)
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- [ ] Individual scanners can be installed one at a time
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- [ ] "Install all scanners" still works
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- [ ] Scanner status shows as "✓ Installed" after installation
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- [ ] Installation functions handle already-installed cases gracefully
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- [ ] No exit code 127 errors
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---
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## Expected Behavior After Fix
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**Scenario 1: User wants to install Maldet only**
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```
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bash launcher.sh → Security → Malware Scanner → Maldet menu
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→ Select "8. Install Maldet"
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→ Maldet installs (just Maldet, nothing else)
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→ User can immediately scan with Maldet
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```
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**Scenario 2: User's cPanel scripts are missing**
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```
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bash launcher.sh → Security → Malware Scanner → Install all scanners
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→ ClamAV installation tries cPanel scripts
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→ Scripts missing, gracefully falls back to yum
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→ ClamAV installs successfully
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→ Installation continues with other scanners
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```
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