Files
felhom-controller/controller/internal/web/validate.go
T
admin b0dd13154b v0.76.0: campaign-#3 hardening (settings .bak recovery, restore stack_name validation, quiesce marker quarantine)
S1: corrupt settings.json recovers from .bak / safe-defaults+preserve, no crash-loop.
F2: validStackName gates restore + export handlers (reject /,\,..,NUL traversal).
S3: corrupt quiesce marker logged + quarantined, not silently dropped.
Tests T-S1/F2/S3 + red-proofs. Agent/hub untouched.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-22 23:34:33 +02:00

20 lines
571 B
Go

package web
import (
"path/filepath"
"strings"
)
// validStackName reports whether name is a safe stack identifier: a single path segment, never a path.
// Rejects traversal/escape (`..`, `/`, `\`, NUL) so a stack_name can never be turned into a filesystem
// path that escapes the stacks/userdata tree. (Storage `where=` is validated separately by gateWhere.)
func validStackName(name string) bool {
if name == "" || name == "." || name == ".." {
return false
}
if strings.ContainsAny(name, "/\\\x00") {
return false
}
return name == filepath.Clean(name)
}