Method send_setup_session_request

scapy/layers/smbclient.py:489–534

(self, ssp_tuple)

    @ATMT.action(should_send_session_setup_request)
    def send_setup_session_request(self, ssp_tuple):
        self.session.sspcontext, token, status = ssp_tuple
        if self.SMB2 and status == GSS_S_CONTINUE_NEEDED:
            # New session: force 0
            self.SessionId = 0
        if self.SMB2 or self.EXTENDED_SECURITY:
            # SMB1 extended / SMB2
            if self.SMB2:
                # SMB2
                pkt = self.smb_header.copy() / SMB2_Session_Setup_Request(
                    Capabilities="DFS",
                    SecurityMode=(
                        "SIGNING_ENABLED+SIGNING_REQUIRED"
                        if self.session.SigningRequired
                        else "SIGNING_ENABLED"
                    ),
                )
            else:
                # SMB1 extended
                pkt = (
                    self.smb_header.copy()
                    / SMBSession_Setup_AndX_Request_Extended_Security(
                        ServerCapabilities=(
                            "UNICODE+NT_SMBS+STATUS32+LEVEL_II_OPLOCKS+"
                            "DYNAMIC_REAUTH+EXTENDED_SECURITY"
                        ),
                        NativeOS=b"",
                        NativeLanMan=b"",
                    )
                )
            pkt.SecurityBlob = token
        else:
            # Non-extended security.
            pkt = self.smb_header.copy() / SMBSession_Setup_AndX_Request(
                ServerCapabilities="UNICODE+NT_SMBS+STATUS32+LEVEL_II_OPLOCKS",
                NativeOS=b"",
                NativeLanMan=b"",
                OEMPassword=b"\0" * 24,
                UnicodePassword=token,
            )
        self.send(pkt)
        if self.SMB2:
            # If required, compute sessions
            self.session.computeSMBSessionPreauth(
                bytes(pkt[SMB2_Header]),  # session request
            )

    @ATMT.receive_condition(SENT_SESSION_REQUEST)
    def receive_session_setup_response(self, pkt):