PREIN
/bin/sh
/usr/share/rpm-helper/add-user canna $1 canna /usr/share/canna /sbin/nologin
PREUN
/bin/sh
/usr/share/rpm-helper/del-service canna $1 canna
POSTIN
/bin/sh
/usr/share/rpm-helper/add-service canna $1 canna
POSTUN
/bin/sh
/usr/share/rpm-helper/del-user canna $1 canna