28e05dd845
Simplify the memory management and code a bit by representing acls with an array instead of a linked list. Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu> Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
62 lines
2.5 KiB
C
62 lines
2.5 KiB
C
/*
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* include/linux/nfs4_acl.c
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*
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* Common NFSv4 ACL handling definitions.
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*
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* Copyright (c) 2002 The Regents of the University of Michigan.
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* All rights reserved.
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*
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* Marius Aamodt Eriksen <marius@umich.edu>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef LINUX_NFS4_ACL_H
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#define LINUX_NFS4_ACL_H
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#include <linux/posix_acl.h>
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/* Maximum ACL we'll accept from client; chosen (somewhat arbitrarily) to
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* fit in a page: */
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#define NFS4_ACL_MAX 170
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struct nfs4_acl *nfs4_acl_new(int);
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void nfs4_acl_add_ace(struct nfs4_acl *, u32, u32, u32, int, uid_t);
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int nfs4_acl_get_whotype(char *, u32);
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int nfs4_acl_write_who(int who, char *p);
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int nfs4_acl_permission(struct nfs4_acl *acl, uid_t owner, gid_t group,
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uid_t who, u32 mask);
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#define NFS4_ACL_TYPE_DEFAULT 0x01
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#define NFS4_ACL_DIR 0x02
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#define NFS4_ACL_OWNER 0x04
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struct nfs4_acl *nfs4_acl_posix_to_nfsv4(struct posix_acl *,
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struct posix_acl *, unsigned int flags);
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int nfs4_acl_nfsv4_to_posix(struct nfs4_acl *, struct posix_acl **,
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struct posix_acl **, unsigned int flags);
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#endif /* LINUX_NFS4_ACL_H */
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