*/

public abstract class NtlmAuthenticator {

    private static NtlmAuthenticator auth;

    private String url;
    private SmbAuthException sae;

    private void reset() {
        url = null;
        sae = null;
    }

/**
Set the default <tt>NtlmAuthenticator</tt>. Once the default authenticator is set it cannot be changed. Calling this metho again will have no effect.
 */

                }
            } catch( SmbAuthException sae ) {
                if( log.level > 1 ) {
                    log.println( "NtlmHttpFilter: " + ntlm.getName() +
                            ": 0x" + jcifs.smb1.util.Hexdump.toHexString( sae.getNtStatus(), 8 ) +
                            ": " + sae );
                }
                if( sae.getNtStatus() == sae.NT_STATUS_ACCESS_VIOLATION ) {

		{"VADDPD.SAE.BCST X0, X1, X2", `can't combine rounding/SAE and broadcast`},
		{"VADDPD.BCST.SAE X0, X1, X2", `can't combine rounding/SAE and broadcast`},
		{"VADDPD.BCST.Z.SAE X0, X1, X2", `Z suffix should be the last; can't combine rounding/SAE and broadcast`},
		{"VADDPD.SAE.SAE X0, X1, X2", `duplicate suffix "SAE"`},
		{"VADDPD.RZ_SAE.SAE X0, X1, X2", `bad suffix combination`},

    }


    /**
     * @param a
     * @param url
     * @param sae
     * @return credentials returned by prompt
     */
    public static NtlmPasswordAuthenticator requestNtlmPasswordAuthentication ( NtlmAuthenticator a, String url, SmbAuthException sae ) {
        if ( a == null ) {
            return null;
        }
        synchronized ( a ) {
            a.url = url;
            a.sae = sae;

                }
            }
            catch ( SmbAuthException sae ) {
                log.warn("NtlmHttpFilter: " + ntlm.getName() + ": 0x" + jcifs.util.Hexdump.toHexString(sae.getNtStatus(), 8) + ": " + sae);
                if ( sae.getNtStatus() == NtStatus.NT_STATUS_ACCESS_VIOLATION ) {
                    /*
                     * Server challenge no longer valid for

	VADDPD.RU_SAE Y3, Y2, K1, Y1     // ERROR "unsupported rounding"
	VADDPD.RD_SAE Y3, Y2, K1, Y1     // ERROR "unsupported rounding"
	VADDPD.RZ_SAE Y3, Y2, K1, Y1     // ERROR "unsupported rounding"
	VADDPD.RN_SAE Y3, Y2, K1, Y1     // ERROR "unsupported rounding"
	// Unsupported SAE.
	VMAXPD.SAE (AX), Z2, K1, Z1      // ERROR "illegal SAE with memory argument"
	VADDPD.SAE X3, X2, K1, X1        // ERROR "unsupported SAE"

    
                        request.auth = auth;
    
                        try {
                            transport.send( request, response );
                        } catch (SmbAuthException sae) {
                            throw sae;
                        } catch (SmbException se) {
                            ex = se;
                        }
    
                        if( response.isLoggedInAsGuest &&

            } else {
                doFile( req, resp, file );
            }
        } catch( SmbAuthException sae ) {
            if( ssn != null ) {
                ssn.removeAttribute( "npa-" + server );
            }
            if( sae.getNtStatus() == sae.NT_STATUS_ACCESS_VIOLATION ) {
                /* Server challenge no longer valid for
                 * externally supplied password hashes.

	// EVEX: embedded rounding.
	VADDPD.RU_SAE Z3, Z2, K1, Z1   // 62f1ed5958cb
	VADDPD.RD_SAE Z3, Z2, K1, Z1   // 62f1ed3958cb
	VADDPD.RZ_SAE Z3, Z2, K1, Z1   // 62f1ed7958cb
	VADDPD.RN_SAE Z3, Z2, K1, Z1   // 62f1ed1958cb
	VADDPD.RU_SAE.Z Z3, Z2, K1, Z1 // 62f1edd958cb
	VADDPD.RD_SAE.Z Z3, Z2, K1, Z1 // 62f1edb958cb
	VADDPD.RZ_SAE.Z Z3, Z2, K1, Z1 // 62f1edf958cb
	VADDPD.RN_SAE.Z Z3, Z2, K1, Z1 // 62f1ed9958cb

                SmbConstants.FILE_NO_SHARE,
                attrs,
                0);
        }
        catch ( SmbAuthException sae ) {
            log.trace("copyTo0", sae);
            int dattrs = dest.getAttributes();
            if ( ( dattrs & SmbConstants.ATTR_READONLY ) != 0 ) {
                /*
                 * Remove READONLY and try again
                 */