From 01573e231f18eb2d99162747186f59511f56b64d Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 08 Dec 2023 10:40:48 +0000
Subject: [PATCH] 移去rt
---
kernel/security/integrity/ima/ima_fs.c | 27 +++++++++++++--------------
1 files changed, 13 insertions(+), 14 deletions(-)
diff --git a/kernel/security/integrity/ima/ima_fs.c b/kernel/security/integrity/ima/ima_fs.c
index 38bd565..98d5a80 100644
--- a/kernel/security/integrity/ima/ima_fs.c
+++ b/kernel/security/integrity/ima/ima_fs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2005,2006,2007,2008 IBM Corporation
*
@@ -6,21 +7,15 @@
* Reiner Sailer <sailer@us.ibm.com>
* Mimi Zohar <zohar@us.ibm.com>
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation, version 2 of the
- * License.
- *
* File: ima_fs.c
* implemenents security file system for reporting
* current measurement list and IMA statistics
*/
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
#include <linux/fcntl.h>
+#include <linux/kernel_read_file.h>
#include <linux/slab.h>
-#include <linux/module.h>
+#include <linux/init.h>
#include <linux/seq_file.h>
#include <linux/rculist.h>
#include <linux/rcupdate.h>
@@ -156,7 +151,7 @@
ima_putc(m, &pcr, sizeof(e->pcr));
/* 2nd: template digest */
- ima_putc(m, e->digest, TPM_DIGEST_SIZE);
+ ima_putc(m, e->digests[ima_sha1_idx].digest, TPM_DIGEST_SIZE);
/* 3rd: template name size */
namelen = !ima_canonical_fmt ? strlen(template_name) :
@@ -179,7 +174,8 @@
/* 6th: template specific data */
for (i = 0; i < e->template_desc->num_fields; i++) {
enum ima_show_type show = IMA_SHOW_BINARY;
- struct ima_template_field *field = e->template_desc->fields[i];
+ const struct ima_template_field *field =
+ e->template_desc->fields[i];
if (is_ima_template && strcmp(field->field_id, "d") == 0)
show = IMA_SHOW_BINARY_NO_FIELD_LEN;
@@ -238,7 +234,7 @@
seq_printf(m, "%2d ", e->pcr);
/* 2nd: SHA1 template hash */
- ima_print_digest(m, e->digest, TPM_DIGEST_SIZE);
+ ima_print_digest(m, e->digests[ima_sha1_idx].digest, TPM_DIGEST_SIZE);
/* 3th: template name */
seq_printf(m, " %s", template_name);
@@ -277,9 +273,9 @@
static ssize_t ima_read_policy(char *path)
{
- void *data;
+ void *data = NULL;
char *datap;
- loff_t size;
+ size_t size;
int rc, pathlen = strlen(path);
char *p;
@@ -288,11 +284,14 @@
datap = path;
strsep(&datap, "\n");
- rc = kernel_read_file_from_path(path, &data, &size, 0, READING_POLICY);
+ rc = kernel_read_file_from_path(path, 0, &data, INT_MAX, NULL,
+ READING_POLICY);
if (rc < 0) {
pr_err("Unable to open file: %s (%d)", path, rc);
return rc;
}
+ size = rc;
+ rc = 0;
datap = data;
while (size > 0 && (p = strsep(&datap, "\n"))) {
--
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