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47 lines
1.2 KiB
47 lines
1.2 KiB
// SPDX-License-Identifier: GPL-2.0 |
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/* |
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* linux/fs/ext4/xattr_trusted.c |
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* Handler for trusted extended attributes. |
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* |
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* Copyright (C) 2003 by Andreas Gruenbacher, <[email protected]> |
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*/ |
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#include <linux/string.h> |
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#include <linux/capability.h> |
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#include <linux/fs.h> |
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#include "ext4_jbd2.h" |
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#include "ext4.h" |
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#include "xattr.h" |
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static bool |
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ext4_xattr_trusted_list(struct dentry *dentry) |
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{ |
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return capable(CAP_SYS_ADMIN); |
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} |
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static int |
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ext4_xattr_trusted_get(const struct xattr_handler *handler, |
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struct dentry *unused, struct inode *inode, |
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const char *name, void *buffer, size_t size) |
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{ |
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return ext4_xattr_get(inode, EXT4_XATTR_INDEX_TRUSTED, |
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name, buffer, size); |
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} |
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static int |
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ext4_xattr_trusted_set(const struct xattr_handler *handler, |
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struct user_namespace *mnt_userns, |
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struct dentry *unused, struct inode *inode, |
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const char *name, const void *value, |
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size_t size, int flags) |
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{ |
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return ext4_xattr_set(inode, EXT4_XATTR_INDEX_TRUSTED, |
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name, value, size, flags); |
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} |
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const struct xattr_handler ext4_xattr_trusted_handler = { |
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.prefix = XATTR_TRUSTED_PREFIX, |
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.list = ext4_xattr_trusted_list, |
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.get = ext4_xattr_trusted_get, |
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.set = ext4_xattr_trusted_set, |
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};
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