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#include "reiserfs.h"
#include <linux/capability.h>
#include <linux/errno.h>
#include <linux/fs.h>
#include <linux/pagemap.h>
#include <linux/xattr.h>
#include "xattr.h"
#include <linux/uaccess.h>
static int
trusted_get(const struct xattr_handler *handler, struct dentry *dentry,
const char *name, void *buffer, size_t size)
{
if (strlen(name) < sizeof(XATTR_TRUSTED_PREFIX))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN) || IS_PRIVATE(d_inode(dentry)))
return -EPERM;
return reiserfs_xattr_get(d_inode(dentry), name, buffer, size);
}
static int
trusted_set(const struct xattr_handler *handler, struct dentry *dentry,
const char *name, const void *buffer, size_t size, int flags)
{
if (strlen(name) < sizeof(XATTR_TRUSTED_PREFIX))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN) || IS_PRIVATE(d_inode(dentry)))
return -EPERM;
return reiserfs_xattr_set(d_inode(dentry), name, buffer, size, flags);
}
static bool trusted_list(struct dentry *dentry)
{
return capable(CAP_SYS_ADMIN) && !IS_PRIVATE(d_inode(dentry));
}
const struct xattr_handler reiserfs_xattr_trusted_handler = {
.prefix = XATTR_TRUSTED_PREFIX,
.get = trusted_get,
.set = trusted_set,
.list = trusted_list,
};
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