Smack Policy Auditor Skill

Trit: -1 (MINUS) Category: tizen-security Author: Tizen Community Source: tizen/security License: Apache-2.0

Description

Analyzes SMACK policy files for correctness, label conflicts, and access control issues. Verifies mandatory access control rules.

When to Use

This is a Tizen security/IoT skill. Use when:

• Developing Tizen applications (web, native, .NET)
• Auditing Tizen app security
• Provisioning TizenRT/ARTIK IoT devices
• Implementing Tizen compliance
• Analyzing SMACK policies or Cynara access control

Tizen Security Model

SMACK (Simplified Mandatory Access Control Kernel)

• Linux kernel 3.12+ mandatory access control
• Process isolation via labels
• Prevent inter-app resource access

Cynara

• Fast privilege access control service
• Policy-based permission checking
• External agent integration

KeyManager

• Central secure storage repository
• Password-protected data access
• Certificate and key management

Tizen Manifest

• Privilege declarations (public, partner, platform)
• App sandboxing configuration
• Resource access specifications

Related Skills

• manifest-privilege-validator
• smack-policy-auditor
• tizen-cve-scanner
• sandbox-escape-detector
• cynara-policy-checker
• iot-device-provisioning

References

• Tizen Official Docs: https://docs.tizen.org/
• Samsung Security Manager: https://github.com/Samsung/security-manager
• Samsung Cynara: https://github.com/Samsung/cynara
• TizenRT: https://github.com/Samsung/TizenRT

SDF Interleaving

This skill connects to Software Design for Flexibility (Hanson & Sussman, 2021):

Primary Chapter: 10. Adventure Game Example

Concepts: autonomous agent, game, synthesis

GF(3) Balanced Triad

smack-policy-auditor (○) + SDF.Ch10 (+) + [balancer] (−) = 0

Skill Trit: 0 (ERGODIC - coordination)

Secondary Chapters

• Ch6: Layering

Connection Pattern

Adventure games synthesize techniques. This skill integrates multiple patterns.