system: move out of internal

Signed-off-by: Ophestra <cat@gensokyo.uk>

internal/system/xhost.go

@@ -1,53 +0,0 @@
-package system
-
-import (
-	"fmt"
-
-	"git.gensokyo.uk/security/fortify/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(sys *I) error {
-	sys.printf("inserting entry %s to X11", x)
-	return sys.wrapErrSuffix(xcb.ChangeHosts(xcb.HostModeInsert, xcb.FamilyServerInterpreted, "localuser\x00"+string(x)),
-		fmt.Sprintf("cannot insert entry %s to X11:", x))
-}
-
-func (x XHost) revert(sys *I, ec *Criteria) error {
-	if ec.hasType(x) {
-		sys.printf("deleting entry %s from X11", x)
-		return sys.wrapErrSuffix(xcb.ChangeHosts(xcb.HostModeDelete, xcb.FamilyServerInterpreted, "localuser\x00"+string(x)),
-			fmt.Sprintf("cannot delete entry %s from X11:", x))
-	} else {
-		sys.printf("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)
-}