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| 1 | package hostbox |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "path" |
| 6 | "strings" |
| 7 | ) |
| 8 | |
| 9 | // IntendRole commits the empty child's exact parent and reserved name before |
| 10 | // mkdir. Only Reserve can turn it into execution authority. |
| 11 | func (j *LaunchJournal) IntendRole(ctx context.Context, r LaunchReservation) error { |
| 12 | if j == nil { |
| 13 | return ErrUnsupported |
| 14 | } |
| 15 | if j.remote != nil { |
| 16 | out, err := journalCall(ctx, j.remote, JournalRequest{Op: "intend", Reservation: r}) |
| 17 | _ = out |
| 18 | return err |
| 19 | } |
| 20 | |
| 21 | if r.NeverIntended || r.ID == "" || r.Role == "" || r.InvocationID == "" || r.Inputs == "" || r.State != "" || r.PID != 0 || r.ProcessStart != "" || r.Group.Device != 0 || r.Group.Inode != 0 || r.Group.InvocationID != r.InvocationID || r.Executable.Device == 0 || r.Executable.Inode == 0 || r.Parent.Device == 0 || r.Parent.Inode == 0 || !managedName(r.Parent.RelativePath) || path.Dir(r.Group.RelativePath) != r.Parent.RelativePath || !strings.HasPrefix(path.Base(r.Group.RelativePath), "role-") || !managedName(r.Group.RelativePath) { |
| 22 | return ErrUnsupported |
| 23 | } |
| 24 | return j.mutate(ctx, r.Target, func(in *LaunchInventory) error { |
| 25 | parent := false |
| 26 | for _, g := range in.Groups { |
| 27 | if g == r.Parent { |
| 28 | parent = true |
| 29 | } |
| 30 | } |
| 31 | if !parent { |
| 32 | return ErrChanged |
| 33 | } |
| 34 | for _, old := range in.Reservations { |
| 35 | if old.ID == r.ID || old.Group.RelativePath == r.Group.RelativePath { |
| 36 | return ErrChanged |
| 37 | } |
| 38 | } |
| 39 | for _, g := range in.Groups { |
| 40 | if g.RelativePath == r.Group.RelativePath { |
| 41 | return ErrChanged |
| 42 | } |
| 43 | } |
| 44 | r.State = "intended" |
| 45 | in.Reservations = append(in.Reservations, r) |
| 46 | return nil |
| 47 | }) |
| 48 | } |
| 49 | |
amadan