File Socket Communication for Virtual Machine Debugging
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing debugging protocols for virtual machines lack secure communication channels, leading to potential security vulnerabilities as they require complex authentication processes and open network ports, which are difficult to configure and manage.
Innovation Solution
The implementation of file sockets for secure communication between debugging tools and virtual machines, using unique character sequences to identify endpoints within the operating system's file system, eliminating the need for IP addresses and ports, and enabling access rights management through the file system's security policies.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If standard debugging protocols (JPDA) are used to establish communication between debugging tools and virtual machines, then ease of operation is improved, but security is worsened due to lack of security restrictions and open network ports
Solution Approach 1:
The patent introduces a file socket as an intermediary communication mechanism between the debugging tool and virtual machine. Instead of direct network communication that requires open ports, the file socket creates a localized file-based communication channel that mediates the interaction, providing security through file system access controls while maintaining debugging functionality
Solution Approach 2:
The patent replaces the traditional network socket mechanism (which relies on TCP/IP protocols and open ports) with a file-based communication mechanism. This substitution eliminates the need for network ports and complex authentication protocols, achieving security through the operating system's file system permissions rather than network security layers
2Reliability
If TCP sockets with SSL authentication are used to secure communication, then security is improved, but device complexity and configuration difficulty worsen due to high protocol overhead
Solution Approach 1:
The patent uses simple file-based communication objects that are created temporarily for debugging sessions and discarded afterward. These file sockets are lightweight compared to SSL/TCP socket infrastructure, requiring no complex certificate management, key exchange, or protocol negotiation, thus eliminating configuration complexity while maintaining security through file permissions
Solution Approach 2:
The patent extracts the security function from the network protocol layer and places it at the file system layer. By taking out the authentication and access control mechanisms from TCP/SSL and implementing them through operating system file permissions, the solution eliminates the need for complex network security configuration while preserving security requirements
3Ease of operation
If network ports are opened for debugging communication, then ease of operation is improved, but vulnerability to hostile processes worsens due to potential misuse of open ports
Solution Approach 1:
Instead of opening network ports to the outside world and then trying to restrict access, the patent inverts the approach by creating localized file-based communication channels that are inherently restricted to the local system. The communication endpoint is not a publicly accessible network port but a file socket that only authorized local processes can access, thus preventing external exploitation while maintaining local accessibility
Data Source
AI summary
In an example embodiment, a communication is received from a software tool. The communication may be intended for a virtual machine and may contain an identification of a virtual file. A virtual file can then be retrieved using the identification. The virtual file defines a file socket, the file socket providing a communications channel for stream-based communications. Then the file socket can be established as a communications channel between the software tool and the virtual machine based on the virtual file.