48 lines
1.4 KiB
C
48 lines
1.4 KiB
C
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/*
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* Security xattr support for devpts.
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*
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* Author: Stephen Smalley <sds@epoch.ncsc.mil>
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* Copyright (c) 2004 Red Hat, Inc., James Morris <jmorris@redhat.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*/
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#include <linux/string.h>
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#include <linux/fs.h>
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#include <linux/security.h>
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#include <linux/xattr.h>
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static size_t
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devpts_xattr_security_list(struct inode *inode, char *list, size_t list_len,
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const char *name, size_t name_len)
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{
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return security_inode_listsecurity(inode, list, list_len);
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}
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static int
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devpts_xattr_security_get(struct inode *inode, const char *name,
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void *buffer, size_t size)
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{
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if (strcmp(name, "") == 0)
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return -EINVAL;
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return security_inode_getsecurity(inode, name, buffer, size);
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}
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static int
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devpts_xattr_security_set(struct inode *inode, const char *name,
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const void *value, size_t size, int flags)
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{
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if (strcmp(name, "") == 0)
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return -EINVAL;
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return security_inode_setsecurity(inode, name, value, size, flags);
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}
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struct xattr_handler devpts_xattr_security_handler = {
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.prefix = XATTR_SECURITY_PREFIX,
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.list = devpts_xattr_security_list,
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.get = devpts_xattr_security_get,
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.set = devpts_xattr_security_set,
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};
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