Rechercher une page de manuel
capng_lock
Langue: en
Version: 341729 (ubuntu - 24/10/10)
Section: 3 (Bibliothèques de fonctions)
NAME
capng_lock - lock the current process capabilities settingsSYNOPSIS
#include <cap-ng.h>int capng_lock(void);
DESCRIPTION
capng_lock will take steps to prevent children of the current process to regain full privileges if the uid is 0. This should be called while possessing the CAP_SETPCAP capability in the kernel. This function will do the following if permitted by the kernel: Set the NOROOT option on for PR_SET_SECUREBITS, set the NOROOT_LOCKED option to on for PR_SET_SECUREBITS, set the PR_NO_SETUID_FIXUP option on for PR_SET_SECUREBITS, and set the PR_NO_SETUID_FIXUP_LOCKED option on for PR_SET_SECUREBITS.
RETURN VALUE
This returns 0 on success and a negative number on failure. -1 means a failure setting any of the PR_SET_SECUREBITS options.
SEE ALSO
capng_apply(3), prctl(2), capabilities(7)
AUTHOR
Steve GrubbContenus ©2006-2024 Benjamin Poulain
Design ©2006-2024 Maxime Vantorre