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package system
import (
"fmt"
"hakurei.app/system/internal/xcb"
)
// ChangeHosts appends an X11 ChangeHosts command Op.
func (sys *I) ChangeHosts(username string) *I {
sys.lock.Lock()
defer sys.lock.Unlock()
sys.ops = append(sys.ops, XHost(username))
return sys
}
type XHost string
func (x XHost) Type() Enablement {
return EX11
}
func (x XHost) apply(*I) error {
msg.Verbosef("inserting entry %s to X11", x)
return wrapErrSuffix(xcb.ChangeHosts(xcb.HostModeInsert, xcb.FamilyServerInterpreted, "localuser\x00"+string(x)),
fmt.Sprintf("cannot insert entry %s to X11:", x))
}
func (x XHost) revert(_ *I, ec *Criteria) error {
if ec.hasType(x) {
msg.Verbosef("deleting entry %s from X11", x)
return wrapErrSuffix(xcb.ChangeHosts(xcb.HostModeDelete, xcb.FamilyServerInterpreted, "localuser\x00"+string(x)),
fmt.Sprintf("cannot delete entry %s from X11:", x))
} else {
msg.Verbosef("skipping entry %s in X11", x)
return nil
}
}
func (x XHost) Is(o Op) bool {
x0, ok := o.(XHost)
return ok && x == x0
}
func (x XHost) Path() string {
return string(x)
}
func (x XHost) String() string {
return string("SI:localuser:" + x)
}
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