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5c03efc379
The security_inode_init_security() function now takes an additional qstr argument which must be passed in from the dentry if available. Passing a NULL is safe when no qstr is available the relevant security checks will just be skipped. Closes #246 Closes #217 Closes #187
96 lines
3.1 KiB
C
96 lines
3.1 KiB
C
/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License (the "License").
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* You may not use this file except in compliance with the License.
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*
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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* or http://www.opensolaris.org/os/licensing.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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/*
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* Copyright (C) 2011 Lawrence Livermore National Security, LLC.
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*/
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#ifndef _ZFS_XATTR_H
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#define _ZFS_XATTR_H
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/*
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* 2.6.35 API change,
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* The const keyword was added to the 'struct xattr_handler' in the
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* generic Linux super_block structure. To handle this we define an
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* appropriate xattr_handler_t typedef which can be used. This was
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* the preferred solution because it keeps the code clean and readable.
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*/
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#ifdef HAVE_CONST_XATTR_HANDLER
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typedef const struct xattr_handler xattr_handler_t;
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#else
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typedef struct xattr_handler xattr_handler_t;
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#endif
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/*
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* 2.6.33 API change,
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* The xattr_hander->get() callback was changed to take a dentry
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* instead of an inode, and a handler_flags argument was added.
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*/
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#ifdef HAVE_DENTRY_XATTR_GET
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#define ZPL_XATTR_GET_WRAPPER(fn) \
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static int \
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fn(struct dentry *dentry, const char *name, void *buffer, size_t size, \
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int unused_handler_flags) \
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{ \
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return __ ## fn(dentry->d_inode, name, buffer, size); \
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}
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#else
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#define ZPL_XATTR_GET_WRAPPER(fn) \
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static int \
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fn(struct inode *ip, const char *name, void *buffer, size_t size) \
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{ \
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return __ ## fn(ip, name, buffer, size); \
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}
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#endif /* HAVE_DENTRY_XATTR_GET */
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/*
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* 2.6.33 API change,
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* The xattr_hander->set() callback was changed to take a dentry
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* instead of an inode, and a handler_flags argument was added.
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*/
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#ifdef HAVE_DENTRY_XATTR_SET
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#define ZPL_XATTR_SET_WRAPPER(fn) \
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static int \
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fn(struct dentry *dentry, const char *name, const void *buffer, \
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size_t size, int flags, int unused_handler_flags) \
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{ \
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return __ ## fn(dentry->d_inode, name, buffer, size, flags); \
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}
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#else
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#define ZPL_XATTR_SET_WRAPPER(fn) \
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static int \
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fn(struct inode *ip, const char *name, const void *buffer, \
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size_t size, int flags) \
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{ \
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return __ ## fn(ip, name, buffer, size, flags); \
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}
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#endif /* HAVE_DENTRY_XATTR_SET */
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#ifdef HAVE_6ARGS_SECURITY_INODE_INIT_SECURITY
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#define zpl_security_inode_init_security(ip, dip, qstr, nm, val, len) \
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security_inode_init_security(ip, dip, qstr, nm, val, len)
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#else
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#define zpl_security_inode_init_security(ip, dip, qstr, nm, val, len) \
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security_inode_init_security(ip, dip, nm, val, len)
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#endif /* HAVE_6ARGS_SECURITY_INODE_INIT_SECURITY */
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#endif /* _ZFS_XATTR_H */
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