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File: [Development] / xfs-cmds / nfs4acl / include / nfs4acl-internal.h (download)

Revision 1.3, Thu Jul 24 15:59:26 2008 UTC (9 years, 3 months ago) by tes.longdrop.melbourne.sgi.com
Branch: MAIN
CVS Tags: HEAD
Changes since 1.2: +9 -0 lines 

Don't create or leave around ACL entries which only contain permissions which
 are always allowed.
Merge of master-melb:xfs-cmds:31749a by kenmcd.

#ifndef __NFS4ACL_INTERNAL_H
#define __NFS4ACL_INTERNAL_H

/*
 * The ACE4_READ_ATTRIBUTES and ACE4_READ_ACL flags are always granted
 * in POSIX. The ACE4_SYNCHRONIZE flag has no meaning under POSIX.
 */
#define ACE4_POSIX_ALWAYS_ALLOWED ( \
	ACE4_SYNCHRONIZE | \
	ACE4_READ_ATTRIBUTES | \
	ACE4_READ_ACL )

/* e_flags bitflags */
#define ACE4_SPECIAL_WHO		0x4000  /* internal to the library */

static inline void
nfs4ace_clear_inheritance_flags(struct nfs4ace *ace)
{
	ace->e_flags &= ~(ACE4_FILE_INHERIT_ACE |
			  ACE4_DIRECTORY_INHERIT_ACE |
			  ACE4_NO_PROPAGATE_INHERIT_ACE |
			  ACE4_INHERIT_ONLY_ACE);
}

static inline int nfs4ace_is_inheritable(const struct nfs4ace *ace)
{
	return ace->e_flags & (ACE4_FILE_INHERIT_ACE |
			       ACE4_DIRECTORY_INHERIT_ACE);
}

static inline int nfs4ace_is_inherit_only(const struct nfs4ace *ace)
{
	return ace->e_flags & ACE4_INHERIT_ONLY_ACE;
}

extern const char *nfs4ace_owner_who;
extern const char *nfs4ace_group_who;
extern const char *nfs4ace_everyone_who;

#endif  /* __NFS4ACL_INTERNAL_H */