Module validation 

Shared validation utilities for validating and sanitizing user input.

This module provides security utilities for validating user input that can be reused between the bssh client and server implementations.

Security

These functions are designed to prevent:

• Path traversal attacks
• Command injection
• Information leakage through error messages

Functions

sanitize_error_message

Sanitize error messages to prevent information leakage.

validate_hostname

Sanitize a hostname to prevent injection attacks.

validate_local_path

Validate and sanitize a local file path to prevent path traversal attacks.

validate_remote_path

Validate a remote path string to prevent injection attacks.

validate_username

Validate a username to prevent injection attacks.