avc_context_to_sid - Linux

Overview

avc_context_to_sid converts an SELinux security context into a SID.

Syntax

avc_context_to_sid [flags] context

Options/Flags

  • -a: Append the label tag.
  • -e: Erase the context.
  • -i: Ignore all modifiers.
  • -r: Resolve the context before converting.
  • -s: Convert to SID.
  • -t: Convert to type.

Examples

# Convert a context to a SID
avc_context_to_sid -s user_u:object_r:user_home_t:s0

# Convert a context to a type
avc_context_to_sid -t user_u:object_r:user_home_t:s0

# Convert a context to a SID and append the label tag
avc_context_to_sid -s -a user_u:object_r:user_home_t:s0

Common Issues

  • Error: Invalid context: The context provided is not a valid SELinux security context. Ensure that the context is formatted correctly.

Integration

  • Use avc_context_to_sid in scripts to convert contexts to SIDs or types for comparison or analysis.
  • Combine with other SELinux tools, such as avc_check or semanage, to manage SELinux policies.

Related Commands

  • avc_check
  • semanage