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authorJakob Unterwurzacher2021-06-02 14:21:30 +0200
committerJakob Unterwurzacher2021-06-02 14:29:48 +0200
commit04858ddd222bbf7156f33f99cfb293a9b1e15ec8 (patch)
tree732cbf83c9d842a911d515abbad7c153c4159354 /internal/fusefrontend_reverse/root_node.go
parent242cdf966f262b2e20785eb0ff49ac55a8bd4636 (diff)
nametransform: check name validity on encryption
xfstests generic/523 discovered that we allowed to set xattrs with "/" in the name, but did not allow to read them later. With this change we do not allow to set them in the first place.
Diffstat (limited to 'internal/fusefrontend_reverse/root_node.go')
-rw-r--r--internal/fusefrontend_reverse/root_node.go7
1 files changed, 5 insertions, 2 deletions
diff --git a/internal/fusefrontend_reverse/root_node.go b/internal/fusefrontend_reverse/root_node.go
index b7a259a..10b0d69 100644
--- a/internal/fusefrontend_reverse/root_node.go
+++ b/internal/fusefrontend_reverse/root_node.go
@@ -71,9 +71,12 @@ func (rn *RootNode) findLongnameParent(fd int, diriv []byte, longname string) (p
if len(entry.Name) <= shortNameMax {
continue
}
- cFullName = rn.nameTransform.EncryptName(entry.Name, diriv)
+ cFullName, err = rn.nameTransform.EncryptName(entry.Name, diriv)
+ if err != nil {
+ continue
+ }
if len(cFullName) <= unix.NAME_MAX {
- // Entry should have been skipped by the "continue" above
+ // Entry should have been skipped by the shortNameMax check above
log.Panic("logic error or wrong shortNameMax constant?")
}
hName := rn.nameTransform.HashLongName(cFullName)