aa_getcon(2) on Linux
The text 4e750c1128a6, as Debian 8 (Jessie) shipped it.
read and parse procattr data aa_getcon, aa_gettaskcon - get task confinement information aa_getpeercon - get the confinement of a socket's other end (peer) org.freedesktop.DBus.GetConnectionAppArmorSecurityContext - get the task confinement of a D-Bus connection's owner