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FIX: Show installation guide instead of exiting when no scanners detected

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CRITICAL FIX: Standalone malware scanner was exiting with code 1 when no
scanners were installed, instead of showing helpful installation instructions.

Changes:
- Replaced hard exit with graceful exit code 0
- Display full installation guide for all 4 scanners (ImunifyAV, ClamAV, Maldet, RKHunter)
- Provide copy-paste installation commands for both RHEL and Debian systems
- Users can now see how to install scanners instead of seeing error exit

This ensures the malware scanner is user-friendly even on fresh systems.

Testing: Beta branch only (per user request - no production pushes during testing)
This commit is contained in:
Developer
2026-03-21 01:02:37 -04:00
parent a704e250e1
commit 6cc21813e1
1 changed files with 44 additions and 3 deletions
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modules/security/malware-scanner.sh
+44 -3
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@@ -100,7 +100,7 @@ detect_scanners() {
return 0 return 0
} }
# Show installation instructions for missing scanners # Show installation instructions for missing scanners (DEPRECATED - menu always shows now)
show_scanner_installation_guide() { show_scanner_installation_guide() {
echo -e "${YELLOW}Available Malware Scanners:${NC}" echo -e "${YELLOW}Available Malware Scanners:${NC}"
echo "" echo ""
@@ -915,10 +915,51 @@ else
fi fi
fi fi
# If no scanners found, show installation guide and exit gracefully
if [ ${#AVAILABLE_SCANNERS[@]} -eq 0 ]; then if [ ${#AVAILABLE_SCANNERS[@]} -eq 0 ]; then
log_message "ERROR: No scanners found!" log_message "WARNING: No scanners found on this system"
echo ""
echo -e "${RED}No malware scanners detected!${NC}" echo -e "${RED}No malware scanners detected!${NC}"
exit 1 echo ""
echo -e "${YELLOW}Available Malware Scanners:${NC}"
echo ""
echo -e "${CYAN}ImunifyAV${NC} - FREE real-time malware scanner"
echo " Status: Not installed"
echo " Installation (cPanel):"
echo " yum install imunify-antivirus imunify-antivirus-cpanel"
echo " /opt/alt/python35/share/imunify360/scripts/av-userside-plugin.sh"
echo " Installation (manual):"
echo " wget https://repo.imunify360.cloudlinux.com/defence360/imav-deploy.sh"
echo " bash imav-deploy.sh"
echo " Docs: https://docs.imunify360.com/imunifyav/"
echo ""
echo -e "${CYAN}ClamAV${NC} - Open source antivirus engine"
echo " Status: Not installed"
echo " Installation:"
echo " yum install clamav clamav-update # RHEL/CentOS"
echo " apt-get install clamav clamav-daemon # Debian/Ubuntu"
echo ""
echo -e "${CYAN}Maldet (LMD)${NC} - Linux Malware Detect"
echo " Status: Not installed"
echo " Installation:"
echo " cd /tmp && wget http://www.rfxn.com/downloads/maldetect-current.tar.gz"
echo " tar -xzf maldetect-current.tar.gz && cd maldetect-*"
echo " ./install.sh"
echo ""
echo -e "${CYAN}Rootkit Hunter${NC} - Rootkit/backdoor/exploit scanner"
echo " Status: Not installed"
echo " Installation:"
echo " yum install epel-release rkhunter # RHEL/CentOS"
echo " apt-get install rkhunter # Debian/Ubuntu"
echo ""
echo -e "${YELLOW}Recommendation:${NC} Install at least ClamAV + RKHunter (both free)"
echo ""
exit 0
fi fi
log_message "Found ${#AVAILABLE_SCANNERS[@]} scanner(s): ${AVAILABLE_SCANNERS[*]}" log_message "Found ${#AVAILABLE_SCANNERS[@]} scanner(s): ${AVAILABLE_SCANNERS[*]}"