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v0.12.3 — Security & correctness bug fixes (33 bugs)

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CRITICAL: 10 data race and security fixes — backup.go mutex coverage
(C1-C4), IsSystemDisk 12-bit major/minor (C5), /dev/ path validation
(C6), extractName traversal (C7), TargetPath/DestinationPath against
registered paths (C8-C9), ParseComposeHDDMounts Clean-before-prefix (C10).

HIGH: 17 logic/resource fixes — ValidateDump bufio.Scanner (H1), single
appDirSize() with 30s timeout (H2/H3), snapshot ID regex (H4), cross-drive
restic prune (H5), temp file order (H6), dirSizeBytes errors (H7), atomic
fstab (H8), IsDeviceMounted suffix check (H9), eMMC partition mapping (H10),
bytesCopied mutex (H11), separator-aware migrate prefix (H13), DeleteStack
error on compose-down (H14), docker 60s timeout (H16), NotificationPrefs
deep-copy (H17), wipefs warning (H18), fstab rollback on mount fail (H19).

MEDIUM: 7 code quality fixes — formatBytes dedup (M1), .tmp filter order
(M2), sizeBytes string type (M3), elapsed in message (M6), LoadLocation
fallback (M7), pathCovers separator (M10), cancelEditLabel textContent (M11).

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
This commit is contained in:
authentik Default Admin
2026-02-17 21:10:55 +01:00
parent 20b3a22c88
commit 93d9b474f1
17 changed files with 390 additions and 164 deletions
Download Patch File Download Diff File Expand all files Collapse all files
controller/internal/backup/backup.go
+37 -21
View File
@@ -179,7 +179,7 @@ func (m *Manager) RunDBDumps(ctx context.Context) error {
m.logger.Printf("[ERROR] DB dump failed for %s: %v", r.DB.ContainerName, r.Error)
} else {
totalSize += r.Size
summary = append(summary, fmt.Sprintf("OK %s (%s)", r.DB.ContainerName, formatBytes(r.Size)))
summary = append(summary, fmt.Sprintf("OK %s (%s)", r.DB.ContainerName, humanizeBytes(r.Size)))
// Persist validation result to settings.json
if m.settings != nil && r.FilePath != "" {
@@ -212,12 +212,12 @@ func (m *Manager) RunDBDumps(ctx context.Context) error {
// Ping healthcheck
uuid := m.cfg.Monitoring.PingUUIDs.DBDump
body := fmt.Sprintf("DB dump: %d databases, %s total\n%s",
len(results), formatBytes(totalSize), strings.Join(summary, "\n"))
len(results), humanizeBytes(totalSize), strings.Join(summary, "\n"))
if allOK {
m.pinger.Ping(uuid, body)
m.logger.Printf("[INFO] DB dump completed: %d databases, %s total (%s)",
len(results), formatBytes(totalSize), duration.Round(time.Millisecond))
len(results), humanizeBytes(totalSize), duration.Round(time.Millisecond))
} else {
m.pinger.Fail(uuid, body)
return fmt.Errorf("some database dumps failed")
@@ -410,8 +410,11 @@ func (m *Manager) ListSnapshots(limit int) ([]SnapshotInfo, error) {
}
// SetStackProvider sets the stack data provider for app data discovery.
// C3: Write is protected by mutex since stackProvider is read by concurrent goroutines.
func (m *Manager) SetStackProvider(provider StackDataProvider) {
m.mu.Lock()
m.stackProvider = provider
m.mu.Unlock()
}
// GetStackHDDMounts returns HDD mount paths for the named stack via the stack provider.
@@ -551,8 +554,19 @@ func (m *Manager) RefreshCache(nextDBDump, nextBackup time.Time) {
}
}
// Cross-check: if LastDBDump results have empty validation but files exist,
// re-validate from disk. This handles controller restarts and race conditions.
// Fill in dynamic fields under lock.
// C1: lastDBDump mutation also happens here to prevent data races with GetFullStatus.
// C2: snapshot history reversal happens before cachedStatus assignment (inside lock).
m.mu.Lock()
status.Running = m.running
status.LastDBDump = m.lastDBDump
status.LastBackup = m.lastBackup
status.LastCheckTime = m.lastCheckTime
status.LastCheckOK = m.lastCheckOK
status.SnapshotHistory = make([]SnapshotRecord, len(m.snapshotHistory))
copy(status.SnapshotHistory, m.snapshotHistory)
// C1: Cross-check lastDBDump results inside lock to prevent torn writes.
if m.lastDBDump != nil && filesErr == nil {
fileValidation := make(map[string]DumpValidation) // keyed by filename
for _, f := range files {
@@ -570,24 +584,15 @@ func (m *Manager) RefreshCache(nextDBDump, nextBackup time.Time) {
}
}
// Fill in dynamic fields under lock
m.mu.Lock()
status.Running = m.running
status.LastDBDump = m.lastDBDump
status.LastBackup = m.lastBackup
status.LastCheckTime = m.lastCheckTime
status.LastCheckOK = m.lastCheckOK
status.SnapshotHistory = make([]SnapshotRecord, len(m.snapshotHistory))
copy(status.SnapshotHistory, m.snapshotHistory)
m.cachedStatus = status
m.cacheTime = time.Now()
m.mu.Unlock()
// Reverse so newest first
// C2: Reverse snapshot history before assigning to cachedStatus (inside lock).
for i, j := 0, len(status.SnapshotHistory)-1; i < j; i, j = i+1, j-1 {
status.SnapshotHistory[i], status.SnapshotHistory[j] = status.SnapshotHistory[j], status.SnapshotHistory[i]
}
m.cachedStatus = status
m.cacheTime = time.Now()
m.mu.Unlock()
m.logger.Printf("[INFO] Backup status cache refreshed")
}
@@ -616,8 +621,19 @@ func (m *Manager) GetFullStatus(nextDBDump, nextBackup time.Time) *FullBackupSta
status.Running = m.running
status.NextDBDump = nextDBDump
status.NextBackup = nextBackup
status.LastDBDump = m.lastDBDump
status.LastBackup = m.lastBackup
// C4: Deep-copy lastDBDump and lastBackup so callers cannot mutate shared state.
if m.lastDBDump != nil {
copyDump := *m.lastDBDump
if len(m.lastDBDump.Results) > 0 {
copyDump.Results = make([]DumpResult, len(m.lastDBDump.Results))
copy(copyDump.Results, m.lastDBDump.Results)
}
status.LastDBDump = &copyDump
}
if m.lastBackup != nil {
copyBackup := *m.lastBackup
status.LastBackup = &copyBackup
}
// Update snapshot history
status.SnapshotHistory = make([]SnapshotRecord, len(m.snapshotHistory))
copy(status.SnapshotHistory, m.snapshotHistory)