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764a5c6b1f
Change the list operation to only return whether or not an attribute should be listed. Copying the attribute names into the buffer is moved to the callers. Since the result only depends on the dentry and not on the attribute name, we do not pass the attribute name to list operations. Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
72 lines
1.9 KiB
C
72 lines
1.9 KiB
C
/*
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* JFFS2 -- Journalling Flash File System, Version 2.
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*
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* Copyright © 2006 NEC Corporation
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*
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* Created by KaiGai Kohei <kaigai@ak.jp.nec.com>
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*
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* For licensing information, see the file 'LICENCE' in this directory.
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*
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*/
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#include <linux/kernel.h>
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#include <linux/slab.h>
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#include <linux/fs.h>
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#include <linux/time.h>
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#include <linux/pagemap.h>
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#include <linux/highmem.h>
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#include <linux/crc32.h>
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#include <linux/jffs2.h>
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#include <linux/xattr.h>
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#include <linux/mtd/mtd.h>
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#include <linux/security.h>
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#include "nodelist.h"
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/* ---- Initial Security Label(s) Attachment callback --- */
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static int jffs2_initxattrs(struct inode *inode,
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const struct xattr *xattr_array, void *fs_info)
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{
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const struct xattr *xattr;
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int err = 0;
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for (xattr = xattr_array; xattr->name != NULL; xattr++) {
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err = do_jffs2_setxattr(inode, JFFS2_XPREFIX_SECURITY,
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xattr->name, xattr->value,
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xattr->value_len, 0);
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if (err < 0)
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break;
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}
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return err;
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}
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/* ---- Initial Security Label(s) Attachment ----------- */
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int jffs2_init_security(struct inode *inode, struct inode *dir,
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const struct qstr *qstr)
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{
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return security_inode_init_security(inode, dir, qstr,
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&jffs2_initxattrs, NULL);
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}
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/* ---- XATTR Handler for "security.*" ----------------- */
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static int jffs2_security_getxattr(const struct xattr_handler *handler,
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struct dentry *dentry, const char *name,
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void *buffer, size_t size)
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{
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return do_jffs2_getxattr(d_inode(dentry), JFFS2_XPREFIX_SECURITY,
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name, buffer, size);
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}
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static int jffs2_security_setxattr(const struct xattr_handler *handler,
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struct dentry *dentry, const char *name,
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const void *buffer, size_t size, int flags)
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{
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return do_jffs2_setxattr(d_inode(dentry), JFFS2_XPREFIX_SECURITY,
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name, buffer, size, flags);
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}
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const struct xattr_handler jffs2_security_xattr_handler = {
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.prefix = XATTR_SECURITY_PREFIX,
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.set = jffs2_security_setxattr,
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.get = jffs2_security_getxattr
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};
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