Function _ParseStringArray

scapy/layers/msrpce/msdcom.py:643–656

Process aStringArray in a DUALSTRINGARRAY to extract string bindings and security bindings.

(
    dual: DUALSTRINGARRAY,
)

def _ParseStringArray(
    dual: DUALSTRINGARRAY,
) -> Tuple[List[STRINGBINDING], List[SECURITYBINDING]]:
    """
    Process aStringArray in a DUALSTRINGARRAY to extract string bindings and
    security bindings.
    """
    str_fld = PacketListField("", [], STRINGBINDING)
    sec_fld = PacketListField("", [], SECURITYBINDING)
    string = str_fld.getfield(dual, dual.aStringArray[: dual.wSecurityOffset * 2])[1]
    secs = sec_fld.getfield(dual, dual.aStringArray[dual.wSecurityOffset * 2 :])[1]
    if string[-1].wTowerId != 0 or secs[-1].wAuthnSvc != 0:
        raise ValueError("Invalid DUALSTRINGARRAY !")
    return string[:-1], secs[:-1]


def _HashStringBinding(strings: List[STRINGBINDING]):