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

Red Hat                                             Sept 2020                             CAPNG_APPLY_CAPS_FD(3)