CAPNG_GET_CAPS_PROCESS(3) Libcap-ng API CAPNG_GET_CAPS_PROCESS(3)NAME
capng_get_caps_process - get the capabilities from a process
capng_get_caps_process will get the capabilities and bounding set of the pid stored inside libcap-ng's state table. The default is the pid
of the running process. This can be changed by using the capng_setpid function.
This returns 0 on success and -1 on failure.
If you are doing multi-threaded programming, calling this function will only get capabilities on the calling thread. If you want to get
overall capabilities for a multi-threaded process, you can only do that before creating any threads. Afterwards, threads may be able to
independantly set capabilities.
SEE ALSO capng_setpid(3), capabilities(7)AUTHOR
Red Hat June 2009 CAPNG_GET_CAPS_PROCESS(3)
Check Out this Related Man Page
CAPTEST:(8) System Administration Utilities CAPTEST:(8)NAME
captest - a program to demonstrate capabilities
captest [ --drop-all | --drop-caps | --id ] [ --lock ] [ --text ]
captest is a program that demonstrates and prints out the current process capabilities. Each option prints the same report. It will output
current capabilities. then it will try to access /etc/shadow directly to show if that can be done. Then it creates a child process that
attempts to read /etc/shadow and outputs the results of that. Then it outputs the capabilities that a child process would have.
You can also apply file system capabilities to this program to study how they work. For example, filecap /usr/bin/captest chown. Then run
captest as a normal user. Another interesting test is to make captest suid root so that you can see what the interaction is between root's
credentials and capabilities. For example, chmod 4755 /usr/bin/captest. When run as a normal user, the program will see if privilege esca-
lation is possible. But do not leave this app setuid root after you are don testing so that an attacker cannot take advantage of it.
This drops all capabilities and clears the bounding set.
This drops just traditional capabilities.
--id This changes to uid and gid 99, drops supplemental groups, and clears the bounding set.
--text This option outputs the effective capabilities in text rather than numerically.
--lock This prevents the ability for child processes to regain privileges if the uid is 0.
SEE ALSO filecap(8), capabilities(7)AUTHOR
Red Hat June 2009 CAPTEST:(8)
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