fusefrontent: report correct size on hard link creation

And add a test for it.

Fixes https://github.com/rfjakob/gocryptfs/issues/724

2 files changed, 2 insertions, 0 deletions

diff --git a/internal/fusefrontend/node.go b/internal/fusefrontend/node.go
index 688cc0d..274123b 100644
--- a/internal/fusefrontend/node.go
+++ b/internal/fusefrontend/node.go
@@ -334,6 +334,7 @@ func (n *Node) Link(ctx context.Context, target fs.InodeEmbedder, name string, o
 		return
 	}
 	inode = n.newChild(ctx, st, out)
+	n.translateSize(dirfd, cName, &out.Attr)
 	return inode, 0
 }
 
diff --git a/internal/fusefrontend/node_helpers.go b/internal/fusefrontend/node_helpers.go
index 46046f1..f5dfeb6 100644
--- a/internal/fusefrontend/node_helpers.go
+++ b/internal/fusefrontend/node_helpers.go
@@ -62,6 +62,7 @@ func (n *Node) translateSize(dirfd int, cName string, out *fuse.Attr) {
 		rn := n.rootNode()
 		out.Size = rn.contentEnc.CipherSizeToPlainSize(out.Size)
 	} else if out.IsSymlink() {
+		// read and decrypt target
 		target, _ := n.readlink(dirfd, cName)
 		out.Size = uint64(len(target))
 	}