diff options
Diffstat (limited to 'internal/fusefrontend_reverse')
| -rw-r--r-- | internal/fusefrontend_reverse/rfs.go | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/internal/fusefrontend_reverse/rfs.go b/internal/fusefrontend_reverse/rfs.go index 53e6d22..8afc270 100644 --- a/internal/fusefrontend_reverse/rfs.go +++ b/internal/fusefrontend_reverse/rfs.go @@ -319,5 +319,11 @@ func (rfs *ReverseFS) Readlink(cipherPath string, context *fuse.Context) (string // Symlinks are encrypted like file contents and base64-encoded cBinTarget := rfs.contentEnc.EncryptBlockNonce([]byte(plainTarget), 0, nil, nonce) cTarget := rfs.nameTransform.B64.EncodeToString(cBinTarget) + // The kernel will reject a symlink target above 4096 chars and return + // and I/O error to the user. Better emit the proper error ourselves. + const PATH_MAX = 4096 // not defined on Darwin + if len(cTarget) > PATH_MAX { + return "", fuse.Status(syscall.ENAMETOOLONG) + } return cTarget, fuse.OK } |