cap_compare - Linux
Overview
cap_compare
is a command-line tool used to compare the capabilities of two files, directories, or processes. It provides detailed information about the differences in capabilities between the specified targets, enabling users to assess and manage capability-related security settings.
Syntax
cap_compare [-h] [-C CAP_FIELD] {-a | -d | -s} FILE1 FILE2
Options/Flags
-h
: Display usage information.-C CAP_FIELD
: Specify the capability field to compare, such as "bounding" or "effective". Default: "effective"-a
: Compare all capabilities.-d
: Compare only capabilities that differ between the targets.-s
: Compare only capabilities that are set in either target.
Examples
Compare all capabilities of two files:
cap_compare -a file1 file2
Compare only differing capabilities of two directories:
cap_compare -d /tmp /var
Common Issues
- Insufficient permissions: Ensure you have sufficient privileges to access the specified files or directories.
- Invalid capability field: Specify a valid capability field using the
-C
option.
Integration
- Use
cap_compare
in conjunction withsetcap
to modify capabilities. - Integrate
cap_compare
into scripts to automate capability management tasks.
Related Commands
cap_set
: Set file or process capabilities.getcap
: Get file or process capabilities.lscap
: List capabilities of a file or process.