capng_apply_caps_fd(3) — Linux manual page
CAPNG_APPLY_CAPS_FD(3) Libcap-ng API CAPNG_APPLY_CAPS_FD(3)
NAME
capng_apply_caps_fd - write file-based capabilities to extended
attributes
SYNOPSIS
#include <cap-ng.h>
int capng_apply_caps_fd(int fd);
DESCRIPTION
This function will write the file based capabilities to the
extended attributes of the file that the descriptor was opened
against. The bounding set is not included in file based
capabilities operations. Note that this function will only work
if compiled on a kernel that supports file based capabilities
such as 2.6.2 6 and later.
RETURN VALUE
This returns 0 on success, -1 if something besides a regular file
is passed, and -2 if a non-root namespace id is being used for
rootid.
SEE ALSO
capng_get_caps_fd(3), capabilities(7)
AUTHOR
Steve Grubb
COLOPHON
This page is part of the libcap-ng (capabilities commands and
library (NG)) project. Information about the project can be
found at ⟨https://people.redhat.com/sgrubb/libcap-ng/⟩. It is
not known how to report bugs for this man page; if you know,
please send a mail to man-pages@man7.org. This page was obtained
from the tarball libcap-ng-0.8.5.tar.gz fetched from
⟨https://people.redhat.com/sgrubb/libcap-ng/index.html⟩ on
2024-06-14. If you discover any rendering problems in this HTML
version of the page, or you believe there is a better or more up-
to-date source for the page, or you have corrections or
improvements to the information in this COLOPHON (which is not
part of the original manual page), send a mail to
man-pages@man7.org