capng_apply_caps_fd(3) — Linux manual page


CAPNG_APPLY_CAPS_FD(3)          Libcap-ng API         CAPNG_APPLY_CAPS_FD(3)

NAME         top

       capng_apply_caps_fd -

SYNOPSIS         top

       #include <cap-ng.h>

       int capng_apply_caps_fd(int fd);

DESCRIPTION         top

       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         top

       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         top

       capng_get_caps_fd(3), capabilities(7)

AUTHOR         top

       Steve Grubb

COLOPHON         top

       This page is part of the libcap-ng (capabilities commands and library
       (NG)) project.  Information about the project can be found at 
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Red Hat                           Sept 2020           CAPNG_APPLY_CAPS_FD(3)