Skip to content

STUBBED_FUNCTIONALITY.md

Latest commit

 

History

History
435 lines (349 loc) · 12.2 KB

STUBBED_FUNCTIONALITY.md

File metadata and controls

435 lines (349 loc) · 12.2 KB
Raw

Bastion - Stubbed vs Implemented Functionality

Date: January 20, 2026 Analysis of what's fully implemented vs placeholder code

✅ FULLY IMPLEMENTED (Actually Works)

Network Scanning

  • Port Scanning: ✅ Real TCP connection tests using Network framework
  • Service Fingerprinting: ✅ Real banner grabbing via TCP
  • Device Discovery: ✅ Real network scanning
  • Version Detection: ✅ Regex parsing of service banners

Web Vulnerability Testing

  • HTTP Requests: ✅ Real URLSession requests
  • SQL Injection Detection: ✅ Real payload testing
  • XSS Testing: ✅ Real payload injection and detection
  • Directory Traversal: ✅ Real path testing
  • HTTP Basic Auth Testing: ✅ Real authentication attempts

AI Integration (Fixed)

  • AI Backend: ✅ Real Ollama/MLX/TinyLLM connections
  • AI Attack Analysis: ✅ Real AI-generated recommendations
  • Ask AI: ✅ Real LLM queries

Post-Compromise Detection

  • Rootkit Detection: ✅ Real file system checks
  • Backdoor Detection: ✅ Real port/process scanning
  • User Analysis: ✅ Real /etc/passwd parsing
  • Kernel Module Analysis: ✅ Real lsmod parsing
  • Log Tampering Detection: ✅ Real log file analysis
  • Binary Integrity: ✅ Real SHA-256 hash checking
  • Network Sniffer Detection: ✅ Real interface analysis

Security Features

  • Safety Validator: ✅ Real IP range checking
  • Rate Limiting: ✅ Real request throttling
  • Audit Logging: ✅ Real file logging
  • Confirmation Dialogs: ✅ Real NSAlert prompts

⚠️ PARTIALLY IMPLEMENTED (Some Functionality Missing)

SSH Attack Module

What Works:

  • Password list is defined
  • SSH command is constructed
  • Logging is functional

What's Stubbed:

  • SSH password authentication doesn't actually work
  • Uses /usr/bin/ssh command but can't provide password
  • Need to use expect or sshpass for real password entry
  • Line 130: // Simulate password entry (in real implementation, would use expect or sshpass)

Fix Required:

// Current (doesn't work):
task.arguments = ["-o", "PasswordAuthentication=yes", ...]
// Password can't be provided to ssh command

// Real fix needed:
// Option 1: Use expect script
// Option 2: Use sshpass (brew install sshpass)
// Option 3: Use SSH library like NMSSH

Default Credentials Module

What Works:

  • Comprehensive credential database
  • HTTP Basic Auth testing ✅
  • Port detection

What's Stubbed:

  • SSH credentials: Line 178: // Placeholder implementation → return false
  • Telnet credentials: Line 205: // Placeholder implementation → return false
  • FTP, database, SMB: All return false without testing

Fix Required:

// Need real protocol implementations:
- SSH: Use NMSSH library or expect
- Telnet: Use telnet command with expect
- FTP: Use FTP library
- Database: Use MySQL/PostgreSQL drivers

❌ COMPLETELY STUBBED (Doesn't Work At All)

1. CVE Database Download

File: CVEDatabase.swift:260

private func decompress(_ data: Data) throws -> Data {
    // Simple gzip decompression
    // In production, use proper gzip library
    return data // Placeholder - would implement actual decompression ❌
}

Issue: Downloads will fail because gzip decompression is not implemented

Fix Required:

import Compression

private func decompress(_ data: Data) throws -> Data {
    return try (data as NSData).decompressed(using: .lzfse) as Data
}

Additionally: NVD API 1.1 is deprecated (see CVE_DATABASE_FIX.md)

2. Banner Grabbing in ComprehensiveDeviceTester

File: ComprehensiveDeviceTester.swift:515

private func grabBanner(ip: String, port: Int) async -> String? {
    // TCP connect and read banner
    return nil // Placeholder ❌
}

Why: Duplicate of ServiceFingerprinter but not implemented here

Fix: Use ServiceFingerprinter.grabBanner() instead

3. Full Port Scan (65,535 ports)

File: ComprehensiveDeviceTester.swift:176

// In aggressive mode, scan ALL ports (would take hours)
// This is placeholder for full scan capability ❌
addLog("  • Aggressive mode: Full 65,535 port scan available")
addLog("    (Enable in settings for complete coverage)")

Issue: Only scans critical ports, not all 65K ports

Fix Required:

if aggressiveMode {
    for port in 1...65535 {
        if await isPortOpen(ip: device.ipAddress, port: port) {
            // Add port
        }
    }
}

4. MLX Embeddings

File: AIBackendManager.swift:491

private func generateEmbeddingsWithMLX(text: String) async throws -> [Float] {
    // MLX embeddings implementation would go here
    // For now, throw not implemented
    throw AIBackendError.embeddingsNotSupported ❌
}

Impact: Semantic CVE search won't work with MLX backend

🔍 SIMULATION CODE (Looks Real But Isn't)

Attack Buttons in DeviceDetailView (FIXED)

These were completely simulated until our recent fix:

  • ✅ Default Credentials - Now shows real test results
  • ✅ CVE Exploits - Now attempts exploitation (safely)
  • ✅ Web Scan - Now performs real HTTP tests
  • ✅ Brute Force - Now does real SSH connection attempts
  • ✅ AI Analysis - Now calls real AI backend

Note: While buttons now execute, SSH password testing still needs real authentication.

📊 SUMMARY TABLE

Feature Status Real Implementation Missing Pieces
Network Scanning ✅ Full TCP connections None
Service Detection ✅ Full Banner grabbing None
Web Vulnerabilities ✅ Full HTTP requests None
SQL Injection Test ✅ Full Real payloads None
XSS Test ✅ Full Real payloads None
SSH Password Test ⚠️ Partial Command constructed No password entry
Telnet Test ❌ Stub None Full implementation
FTP Test ❌ Stub None Full implementation
Database Test ❌ Stub None Full implementation
CVE Download ❌ Stub API calls Gzip decompression
Full Port Scan ❌ Stub None Loop 1-65535
AI Backend ✅ Full Ollama/MLX/TinyLLM None
AI Embeddings ⚠️ Partial Ollama only MLX implementation
Post-Compromise ✅ Full Real system checks None
Audit Logging ✅ Full File writes None

🛠️ RECOMMENDED FIXES (Priority Order)

Priority 1: Critical Functionality

1.1 Fix SSH Password Authentication

Impact: High - SSH is the most common remote access protocol Difficulty: Medium Options:

# Option A: Use sshpass (easiest)
brew install sshpass
# Modify SSHModule.swift to use: sshpass -p PASSWORD ssh ...

# Option B: Use expect script (more portable)
# Create expect script for password entry

# Option C: Use NMSSH library (most robust)
pod 'NMSSH'

Files to modify:

  • Security/ExploitModules/SSHModule.swift:108-150
  • Security/ExploitModules/DefaultCredsModule.swift:176-180

1.2 Implement Gzip Decompression for CVE Database

Impact: High - CVE database completely broken without this Difficulty: Easy Fix:

import Compression

private func decompress(_ data: Data) throws -> Data {
    var decompressed = Data()
    var index = 0
    let bufferSize = 4096

    let filter = try (data as NSData).decompressed(using: .lzfse)
    return filter as Data
}

Alternative: Use NVD API 2.0 instead (see CVE_DATABASE_FIX.md)

Files to modify:

  • Security/CVEDatabase.swift:258-261

Priority 2: Enhanced Functionality

2.1 Implement Telnet Testing

Impact: Medium - Less common but important for IoT devices Difficulty: Medium Fix:

private func testTelnetCredential(target: String, username: String, password: String) async -> Bool {
    // Use expect script with telnet command
    let expectScript = """
    spawn telnet \(target)
    expect "login:"
    send "\(username)\\r"
    expect "Password:"
    send "\(password)\\r"
    expect "$ "
    exit 0
    """
    // Execute expect script
}

2.2 Implement FTP Testing

Impact: Medium - Common on NAS devices Difficulty: Easy - Use URLSession with ftp:// URLs Fix:

private func testFTPCredential(target: String, username: String, password: String) async -> Bool {
    guard let url = URL(string: "ftp://\(username):\(password)@\(target)/") else {
        return false
    }

    do {
        let (_, response) = try await URLSession.shared.data(from: url)
        return (response as? HTTPURLResponse)?.statusCode == 200
    } catch {
        return false
    }
}

2.3 Implement Full Port Scan

Impact: Low - Takes hours, niche use case Difficulty: Easy - Just add loop Fix:

if aggressiveMode {
    addLog("Starting full 65,535 port scan (this will take 2-4 hours)...")
    for port in 1...65535 {
        if await isPortOpen(ip: device.ipAddress, port: port) {
            device.openPorts.append(OpenPort(port: port))
        }
        if port % 1000 == 0 {
            addLog("Progress: \(port)/65535 ports scanned")
        }
    }
}

Priority 3: Nice-to-Have

3.1 MLX Embeddings

Impact: Low - Only needed for semantic CVE search with MLX Difficulty: Hard - Requires MLX Python integration

3.2 Database Protocol Testing

Impact: Low - Requires database driver dependencies Difficulty: Hard - Each DB needs specific library

🧪 HOW TO TEST WHAT'S STUBBED

Test SSH Authentication (Currently Broken)

# 1. Run Bastion
# 2. Scan network
# 3. Click device with port 22 open
# 4. Try "Default Credentials" attack
# 5. Result: Will show "Failed" even if password is correct
# 6. Check logs: Connection attempted but no password provided

Test CVE Download (Currently Broken)

# 1. Go to Settings → CVE Database
# 2. Click "Download CVE Database"
# 3. Result: Download will fail with decompression error
# 4. Check logs: "CVEDatabaseError.parseError"

Test Telnet (Currently Returns False)

# 1. Scan device with port 23 (Telnet) open
# 2. Try "Default Credentials" attack
# 3. Result: Always returns "No credentials found"
# 4. Check code: testTelnetCredential() just returns false

💡 WORKAROUNDS FOR STUBBED FEATURES

SSH Testing Workaround

Manual SSH Test:

# Test SSH credentials manually
sshpass -p 'raspberry' ssh pi@192.168.1.100

CVE Database Workaround

Manual CVE Data:

# Download pre-processed CVE JSON files
git clone https://github.com/CVEProject/cvelistV5
# Copy to: ~/Library/Application Support/Bastion/CVE/

Telnet Testing Workaround

Manual Telnet Test:

# Test telnet credentials manually
(echo "admin"; sleep 1; echo "admin") | telnet 192.168.1.1

📈 COMPLETION PERCENTAGE

Overall Bastion Functionality:

  • ✅ Fully Implemented: ~70%
  • ⚠️ Partially Implemented: ~20%
  • ❌ Stubbed/Missing: ~10%

By Category:

  • Network Scanning: 95% implemented
  • Service Detection: 95% implemented
  • Web Testing: 100% implemented
  • Protocol Testing: 40% implemented (HTTP works, SSH/FTP/Telnet stubbed)
  • AI Integration: 95% implemented
  • Post-Compromise: 100% implemented
  • CVE Database: 50% implemented (download broken, search works)

🎯 QUICK FIX CHECKLIST

To make Bastion 100% functional, fix these 3 things:

  1. ☐ SSH password authentication (use sshpass)
  2. ☐ CVE gzip decompression (use Compression framework)
  3. ☐ Telnet/FTP protocol testing (use expect scripts or libraries)

Estimated Time:

  • Fix #1: 2-3 hours
  • Fix #2: 30 minutes
  • Fix #3: 3-4 hours

Total to 100% functional: ~6-8 hours of development

Built by Jordan Koch Date: January 20, 2026

Quick Reference

Files with Stubbed Code

Security/ExploitModules/SSHModule.swift:130
Security/ExploitModules/DefaultCredsModule.swift:178,205
Security/CVEDatabase.swift:260
Security/ComprehensiveDeviceTester.swift:515
AI/AIBackendManager.swift:491

Real vs Fake Quick Test

# Real: Web scanning
curl -s http://192.168.1.1 # Actually makes HTTP request ✅

# Stubbed: SSH password
ssh root@192.168.1.1 # Command runs but no password provided ❌

# Stubbed: CVE download
# Downloads but can't decompress ❌