429b46f4fd
SMB3 uses a much faster method of signing (which is also better in other ways), AES-CMAC. With the kernel now supporting AES-CMAC since last release, we are overdue to allow SMB3 signing (today only CIFS and SMB2 and SMB2.1, but not SMB3 and SMB3.1 can sign) - and we need this also for checking secure negotation and also per-share encryption (two other new SMB3 features which we need to implement). This patch needs some work in a few areas - for example we need to move signing for SMB2/SMB3 from per-socket to per-user (we may be able to use the "nosharesock" mount option in the interim for the multiuser case), and Shirish found a bug in the earlier authentication overhaul (setting signing flags properly) - but those can be done in followon patches. Signed-off-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com> Signed-off-by: Steve French <smfrench@gmail.com>
61 lines
1.8 KiB
C
61 lines
1.8 KiB
C
/*
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* fs/cifs/smb2glob.h
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*
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* Definitions for various global variables and structures
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*
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* Copyright (C) International Business Machines Corp., 2002, 2011
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* Etersoft, 2012
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* Author(s): Steve French (sfrench@us.ibm.com)
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* Jeremy Allison (jra@samba.org)
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* Pavel Shilovsky (pshilovsky@samba.org) 2012
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*
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* This library is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published
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* by the Free Software Foundation; either version 2.1 of the License, or
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* (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
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* the GNU Lesser General Public License for more details.
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*
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*/
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#ifndef _SMB2_GLOB_H
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#define _SMB2_GLOB_H
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#define SMB2_MAGIC_NUMBER 0xFE534D42
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/*
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*****************************************************************
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* Constants go here
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*****************************************************************
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*/
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/*
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* Identifiers for functions that use the open, operation, close pattern
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* in smb2inode.c:smb2_open_op_close()
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*/
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#define SMB2_OP_SET_DELETE 1
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#define SMB2_OP_SET_INFO 2
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#define SMB2_OP_QUERY_INFO 3
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#define SMB2_OP_QUERY_DIR 4
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#define SMB2_OP_MKDIR 5
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#define SMB2_OP_RENAME 6
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#define SMB2_OP_DELETE 7
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#define SMB2_OP_HARDLINK 8
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#define SMB2_OP_SET_EOF 9
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/* Used when constructing chained read requests. */
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#define CHAINED_REQUEST 1
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#define START_OF_CHAIN 2
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#define END_OF_CHAIN 4
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#define RELATED_REQUEST 8
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#define SMB2_SIGNATURE_SIZE (16)
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#define SMB2_NTLMV2_SESSKEY_SIZE (16)
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#define SMB2_HMACSHA256_SIZE (32)
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#define SMB2_CMACAES_SIZE (16)
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#define SMB3_SIGNKEY_SIZE (16)
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#endif /* _SMB2_GLOB_H */
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