// SPDX-License-Identifier: GPL-2.0 /* * linux/fs/ext2/xattr_security.c * Handler for storing security labels as extended attributes. */ #include "ext2.h" #include <linux/security.h> #include "xattr.h" static int ext2_xattr_security_get(const struct xattr_handler *handler, struct dentry *unused, struct inode *inode, const char *name, void *buffer, size_t size) { return ext2_xattr_get(inode, EXT2_XATTR_INDEX_SECURITY, name, buffer, size); } static int ext2_xattr_security_set(const struct xattr_handler *handler, struct mnt_idmap *idmap, struct dentry *unused, struct inode *inode, const char *name, const void *value, size_t size, int flags) { return ext2_xattr_set(inode, EXT2_XATTR_INDEX_SECURITY, name, value, size, flags); } static int ext2_initxattrs(struct inode *inode, const struct xattr *xattr_array, void *fs_info) { const struct xattr *xattr; int err = 0; for (xattr = xattr_array; xattr->name != NULL; xattr++) { err = ext2_xattr_set(inode, EXT2_XATTR_INDEX_SECURITY, xattr->name, xattr->value, xattr->value_len, 0); if (err < 0) break; } return err; } int ext2_init_security(struct inode *inode, struct inode *dir, const struct qstr *qstr) { return security_inode_init_security(inode, dir, qstr, &ext2_initxattrs, NULL); } const struct xattr_handler ext2_xattr_security_handler = { .prefix = XATTR_SECURITY_PREFIX, .get = ext2_xattr_security_get, .set = ext2_xattr_security_set, };