Ophestra
d837628b4c
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Removing the pathname socket used to be handled separately, now it is done during the Close call. Signed-off-by: Ophestra <cat@gensokyo.uk>
72 lines
2.1 KiB
Go
72 lines
2.1 KiB
Go
package system
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import (
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"errors"
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"fmt"
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"io"
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"hakurei.app/container/check"
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"hakurei.app/hst"
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"hakurei.app/internal/acl"
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)
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// Wayland maintains a wayland socket with security-context-v1 attached via [wayland].
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// The socket stops accepting connections once the pipe referred to by sync is closed.
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// The socket is pathname only and is destroyed on revert.
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func (sys *I) Wayland(dst, src *check.Absolute, appID, instanceID string) *I {
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sys.ops = append(sys.ops, &waylandOp{nil,
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dst, src, appID, instanceID})
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return sys
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}
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// waylandOp implements [I.Wayland].
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type waylandOp struct {
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ctx io.Closer
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dst, src *check.Absolute
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appID, instanceID string
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}
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func (w *waylandOp) Type() hst.Enablement { return Process }
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func (w *waylandOp) apply(sys *I) (err error) {
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if w.ctx, err = sys.waylandNew(w.src, w.dst, w.appID, w.instanceID); err != nil {
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return newOpError("wayland", err, false)
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} else {
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sys.msg.Verbosef("wayland pathname socket on %q via %q", w.dst, w.src)
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if err = sys.chmod(w.dst.String(), 0); err != nil {
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if closeErr := w.ctx.Close(); closeErr != nil {
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return newOpError("wayland", errors.Join(err, closeErr), false)
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}
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return newOpError("wayland", err, false)
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}
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if err = sys.aclUpdate(w.dst.String(), sys.uid, acl.Read, acl.Write, acl.Execute); err != nil {
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if closeErr := w.ctx.Close(); closeErr != nil {
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return newOpError("wayland", errors.Join(err, closeErr), false)
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}
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return newOpError("wayland", err, false)
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}
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return nil
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}
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}
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func (w *waylandOp) revert(sys *I, _ *Criteria) error {
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if w.ctx != nil {
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sys.msg.Verbosef("hanging up wayland socket on %q", w.dst)
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return newOpError("wayland", w.ctx.Close(), true)
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}
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return nil
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}
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func (w *waylandOp) Is(o Op) bool {
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target, ok := o.(*waylandOp)
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return ok && w != nil && target != nil &&
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w.dst.Is(target.dst) && w.src.Is(target.src) &&
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w.appID == target.appID && w.instanceID == target.instanceID
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}
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func (w *waylandOp) Path() string { return w.dst.String() }
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func (w *waylandOp) String() string { return fmt.Sprintf("wayland socket at %q", w.dst) }
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