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50 lines
957 B
C
50 lines
957 B
C
/*
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File: linux/posix_acl.h
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(C) 2002 Andreas Gruenbacher, <a.gruenbacher@computer.org>
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*/
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#ifndef __LINUX_POSIX_ACL_H
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#define __LINUX_POSIX_ACL_H
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#include <linux/bug.h>
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#include <linux/slab.h>
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#include <linux/rcupdate.h>
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#define ACL_UNDEFINED_ID (-1)
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/* a_type field in acl_user_posix_entry_t */
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#define ACL_TYPE_ACCESS (0x8000)
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#define ACL_TYPE_DEFAULT (0x4000)
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/* e_tag entry in struct posix_acl_entry */
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#define ACL_USER_OBJ (0x01)
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#define ACL_USER (0x02)
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#define ACL_GROUP_OBJ (0x04)
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#define ACL_GROUP (0x08)
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#define ACL_MASK (0x10)
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#define ACL_OTHER (0x20)
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/* permissions in the e_perm field */
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#define ACL_READ (0x04)
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#define ACL_WRITE (0x02)
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#define ACL_EXECUTE (0x01)
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struct posix_acl_entry {
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short e_tag;
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unsigned short e_perm;
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union {
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uid_t e_uid;
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gid_t e_gid;
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};
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};
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struct posix_acl {
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struct rcu_head a_rcu;
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unsigned int a_count;
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struct posix_acl_entry a_entries[0];
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};
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#endif /* __LINUX_POSIX_ACL_H */
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