// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2008 IBM Corporation * * Authors: * Mimi Zohar <zohar@us.ibm.com> * * File: integrity_iint.c * - initialize the integrity directory in securityfs * - load IMA and EVM keys
*/ #include <linux/security.h> #include"integrity.h"
struct dentry *integrity_dir;
/* * integrity_kernel_read - read data from the file * * This is a function for reading file content instead of kernel_read(). * It does not perform locking checks to ensure it cannot be blocked. * It does not perform security checks because it is irrelevant for IMA. *
*/ int integrity_kernel_read(struct file *file, loff_t offset, void *addr, unsignedlong count)
{ return __kernel_read(file, addr, count, &offset);
}
/* * integrity_load_keys - load integrity keys hook * * Hooks is called from init/main.c:kernel_init_freeable() * when rootfs is ready
*/ void __init integrity_load_keys(void)
{
ima_load_x509();
if (!IS_ENABLED(CONFIG_IMA_LOAD_X509))
evm_load_x509();
}
staticint __init integrity_fs_init(void)
{
integrity_dir = securityfs_create_dir("integrity", NULL); if (IS_ERR(integrity_dir)) { int ret = PTR_ERR(integrity_dir);
if (ret != -ENODEV)
pr_err("Unable to create integrity sysfs dir: %d\n",
ret);
integrity_dir = NULL; return ret;
}
Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.
Bemerkung:
Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.