is_context_customizable(3)
check whether SELinux context type is customizable by the administrator
SYNOPSIS
#include <selinux/selinux.h>
int is_context_customizable(char * scon);
DESCRIPTION
This function checks whether the type of scon is in the
/etc/selinux/{SELINUXTYPE}/context/customizable_types
file. A customizable type is a file context type that
administrators set on files, usually to allow certain domains to share the file content. restorecon and setfiles, by default, leave these context in place.
RETURN VALUE
Returns 1 if security context is customizable or 0 if it is not.
Returns -1 on error.
FILE
/etc/selinux/{SELINUXTYPE}/context/customizable_types