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-rw-r--r--fs/smb/server/asn1.h21
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diff --git a/fs/smb/server/asn1.h b/fs/smb/server/asn1.h
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+++ b/fs/smb/server/asn1.h
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+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * The ASB.1/BER parsing code is derived from ip_nat_snmp_basic.c which was in
+ * turn derived from the gxsnmp package by Gregory McLean & Jochen Friedrich
+ *
+ * Copyright (c) 2000 RP Internet (www.rpi.net.au).
+ * Copyright (C) 2018 Samsung Electronics Co., Ltd.
+ */
+
+#ifndef __ASN1_H__
+#define __ASN1_H__
+
+int ksmbd_decode_negTokenInit(unsigned char *security_blob, int length,
+ struct ksmbd_conn *conn);
+int ksmbd_decode_negTokenTarg(unsigned char *security_blob, int length,
+ struct ksmbd_conn *conn);
+int build_spnego_ntlmssp_neg_blob(unsigned char **pbuffer, u16 *buflen,
+ char *ntlm_blob, int ntlm_blob_len);
+int build_spnego_ntlmssp_auth_blob(unsigned char **pbuffer, u16 *buflen,
+ int neg_result);
+#endif /* __ASN1_H__ */