2023-08-30 17:31:07 +02:00
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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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/*
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* include/linux/nfsd/export.h
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*
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* Public declarations for NFS exports. The definitions for the
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* syscall interface are in nfsctl.h
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*
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* Copyright (C) 1995-1997 Olaf Kirch <okir@monad.swb.de>
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*/
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#ifndef _UAPINFSD_EXPORT_H
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#define _UAPINFSD_EXPORT_H
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# include <linux/types.h>
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/*
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* Important limits for the exports stuff.
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*/
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#define NFSCLNT_IDMAX 1024
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#define NFSCLNT_ADDRMAX 16
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#define NFSCLNT_KEYMAX 32
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/*
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* Export flags.
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*
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* Please update the expflags[] array in fs/nfsd/export.c when adding
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* a new flag.
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*/
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#define NFSEXP_READONLY 0x0001
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#define NFSEXP_INSECURE_PORT 0x0002
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#define NFSEXP_ROOTSQUASH 0x0004
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#define NFSEXP_ALLSQUASH 0x0008
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#define NFSEXP_ASYNC 0x0010
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#define NFSEXP_GATHERED_WRITES 0x0020
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#define NFSEXP_NOREADDIRPLUS 0x0040
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#define NFSEXP_SECURITY_LABEL 0x0080
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/* 0x100 currently unused */
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#define NFSEXP_NOHIDE 0x0200
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#define NFSEXP_NOSUBTREECHECK 0x0400
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#define NFSEXP_NOAUTHNLM 0x0800 /* Don't authenticate NLM requests - just trust */
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#define NFSEXP_MSNFS 0x1000 /* do silly things that MS clients expect; no longer supported */
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#define NFSEXP_FSID 0x2000
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#define NFSEXP_CROSSMOUNT 0x4000
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#define NFSEXP_NOACL 0x8000 /* reserved for possible ACL related use */
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/*
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* The NFSEXP_V4ROOT flag causes the kernel to give access only to NFSv4
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* clients, and only to the single directory that is the root of the
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* export; further lookup and readdir operations are treated as if every
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* subdirectory was a mountpoint, and ignored if they are not themselves
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* exported. This is used by nfsd and mountd to construct the NFSv4
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* pseudofilesystem, which provides access only to paths leading to each
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* exported filesystem.
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*/
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#define NFSEXP_V4ROOT 0x10000
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#define NFSEXP_PNFS 0x20000
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/* All flags that we claim to support. (Note we don't support NOACL.) */
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#define NFSEXP_ALLFLAGS 0x3FEFF
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/* The flags that may vary depending on security flavor: */
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#define NFSEXP_SECINFO_FLAGS (NFSEXP_READONLY | NFSEXP_ROOTSQUASH \
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| NFSEXP_ALLSQUASH \
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| NFSEXP_INSECURE_PORT)
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2023-10-24 12:59:35 +02:00
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/*
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* Transport layer security policies that are permitted to access
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* an export
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*/
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#define NFSEXP_XPRTSEC_NONE 0x0001
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#define NFSEXP_XPRTSEC_TLS 0x0002
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#define NFSEXP_XPRTSEC_MTLS 0x0004
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#define NFSEXP_XPRTSEC_NUM (3)
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#define NFSEXP_XPRTSEC_ALL (NFSEXP_XPRTSEC_NONE | \
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NFSEXP_XPRTSEC_TLS | \
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NFSEXP_XPRTSEC_MTLS)
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2023-08-30 17:31:07 +02:00
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#endif /* _UAPINFSD_EXPORT_H */
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