| 1 | package hostbox |
| 2 | |
| 3 | import ( |
| 4 | "bytes" |
| 5 | "context" |
| 6 | "encoding/json" |
| 7 | "io" |
| 8 | "path/filepath" |
| 9 | ) |
| 10 | |
| 11 | type GenerationPayload struct { |
| 12 | Inventory StopInventory |
| 13 | Revision uint64 |
| 14 | } |
| 15 | |
| 16 | // GenerationPayloads reads both sides of the inventory/revision relation. |
| 17 | // An inner join would silently discard an obligation with a missing revision. |
| 18 | // The caller still has to bind these records to root installations and inspect |
| 19 | // kernel references; Complete in a stored payload cannot establish that alone. |
| 20 | func (j *LaunchJournal) GenerationPayloads(ctx context.Context) ([]GenerationPayload, error) { |
| 21 | if j == nil || j.db == nil || j.remote != nil { |
| 22 | return nil, ErrUnsupported |
| 23 | } |
| 24 | if err := journalIdentity(j.path, j.identity); err != nil { |
| 25 | return nil, err |
| 26 | } |
| 27 | rows, err := journalExecutorFor(ctx, j.db).QueryContext(ctx, ` |
| 28 | SELECT k.host,k.incarnation,k.stamp,i.body,v.revision |
| 29 | FROM (SELECT host,incarnation,stamp FROM stop_inventory |
| 30 | UNION SELECT host,incarnation,stamp FROM journal_inventory_versions) k |
| 31 | LEFT JOIN stop_inventory i USING(host,incarnation,stamp) |
| 32 | LEFT JOIN journal_inventory_versions v USING(host,incarnation,stamp) |
| 33 | ORDER BY k.host,k.incarnation,k.stamp`) |
| 34 | if err != nil { |
| 35 | return nil, err |
| 36 | } |
| 37 | defer rows.Close() |
| 38 | var out []GenerationPayload |
| 39 | for rows.Next() { |
| 40 | var host, incarnation string |
| 41 | var stamp uint64 |
| 42 | var raw []byte |
| 43 | var p GenerationPayload |
| 44 | if err := rows.Scan(&host, &incarnation, &stamp, &raw, &p.Revision); err != nil { |
| 45 | return nil, err |
| 46 | } |
| 47 | if len(raw) > 1<<20 || len(out) >= 8192 { |
| 48 | return nil, ErrTypedInventory |
| 49 | } |
| 50 | dec := json.NewDecoder(bytes.NewReader(raw)) |
| 51 | dec.DisallowUnknownFields() |
| 52 | if dec.Decode(&p.Inventory) != nil || dec.Decode(new(any)) != io.EOF { |
| 53 | return nil, ErrTypedInventory |
| 54 | } |
| 55 | in := p.Inventory |
| 56 | if !component(host) || incarnation == "" || stamp == 0 || p.Revision == 0 || in.Host != host || in.Incarnation != incarnation || in.InstallationStamp != stamp || !in.Complete || in.Box == "" || in.Enrollment == "" || in.DirectoryRevision == "" { |
| 57 | return nil, ErrTypedInventory |
| 58 | } |
| 59 | ids := map[string]bool{} |
| 60 | for _, e := range in.Entries { |
| 61 | if !component(e.ArtifactID) || ids[e.ArtifactID] || !filepath.IsLocal(e.RelativePath) || e.Ownership == "" || (e.Materialization != "intended" && e.Materialization != "materialized") { |
| 62 | return nil, ErrTypedInventory |
| 63 | } |
| 64 | ids[e.ArtifactID] = true |
| 65 | switch e.Kind { |
| 66 | case "route", "timer": |
| 67 | if e.ManagedRoot != "registry" || e.RowIdentity == "" || e.Device != 0 || e.Inode != 0 || e.Type != 0 { |
| 68 | return nil, ErrTypedInventory |
| 69 | } |
| 70 | case "path": |
| 71 | if e.ManagedRoot != "data" || e.RowIdentity != "" || (e.Materialization == "materialized" && (e.Device == 0 || e.Inode == 0 || e.Type == 0)) { |
| 72 | return nil, ErrTypedInventory |
| 73 | } |
| 74 | default: |
| 75 | return nil, ErrTypedInventory |
| 76 | } |
| 77 | } |
| 78 | out = append(out, p) |
| 79 | } |
| 80 | if err := rows.Err(); err != nil { |
| 81 | return nil, err |
| 82 | } |
| 83 | if err := journalIdentity(j.path, j.identity); err != nil { |
| 84 | return nil, err |
| 85 | } |
| 86 | return out, nil |
| 87 | } |
| 88 | |
amadan