From: Stefan Berger <stefanb@linux.ibm.com>
To: linux-integrity@vger.kernel.org
Cc: zohar@linux.ibm.com, serge@hallyn.com,
christian.brauner@ubuntu.com, containers@lists.linux.dev,
dmitry.kasatkin@gmail.com, ebiederm@xmission.com,
krzysztof.struczynski@huawei.com, roberto.sassu@huawei.com,
mpeters@redhat.com, lhinds@redhat.com, lsturman@redhat.com,
puiterwi@redhat.com, jejb@linux.ibm.com, jamjoom@us.ibm.com,
linux-kernel@vger.kernel.org, paul@paul-moore.com,
rgb@redhat.com, linux-security-module@vger.kernel.org,
jmorris@namei.org, Stefan Berger <stefanb@linux.ibm.com>
Subject: [PATCH v10 14/27] userns: Add pointer to ima_namespace to user_namespace
Date: Tue, 1 Feb 2022 15:37:22 -0500 [thread overview]
Message-ID: <20220201203735.164593-15-stefanb@linux.ibm.com> (raw)
In-Reply-To: <20220201203735.164593-1-stefanb@linux.ibm.com>
Add a pointer to ima_namespace to the user_namespace and initialize
the init_user_ns with a pointer to init_ima_ns.
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
---
v9:
- Deferred implementation of ima_ns_from_user_ns() to later patch
---
include/linux/ima.h | 2 ++
include/linux/user_namespace.h | 4 ++++
kernel/user.c | 4 ++++
3 files changed, 10 insertions(+)
diff --git a/include/linux/ima.h b/include/linux/ima.h
index b6ab66a546ae..0cf2a80c8b35 100644
--- a/include/linux/ima.h
+++ b/include/linux/ima.h
@@ -14,6 +14,8 @@
#include <crypto/hash_info.h>
struct linux_binprm;
+extern struct ima_namespace init_ima_ns;
+
#ifdef CONFIG_IMA
extern enum hash_algo ima_get_current_hash_algo(void);
extern int ima_bprm_check(struct linux_binprm *bprm);
diff --git a/include/linux/user_namespace.h b/include/linux/user_namespace.h
index 33a4240e6a6f..019e8cf7b633 100644
--- a/include/linux/user_namespace.h
+++ b/include/linux/user_namespace.h
@@ -36,6 +36,7 @@ struct uid_gid_map { /* 64 bytes -- 1 cache line */
#define USERNS_INIT_FLAGS USERNS_SETGROUPS_ALLOWED
struct ucounts;
+struct ima_namespace;
enum ucount_type {
UCOUNT_USER_NAMESPACES,
@@ -99,6 +100,9 @@ struct user_namespace {
#endif
struct ucounts *ucounts;
long ucount_max[UCOUNT_COUNTS];
+#ifdef CONFIG_IMA_NS
+ struct ima_namespace *ima_ns;
+#endif
} __randomize_layout;
struct ucounts {
diff --git a/kernel/user.c b/kernel/user.c
index e2cf8c22b539..e5d1f4b9b8ba 100644
--- a/kernel/user.c
+++ b/kernel/user.c
@@ -19,6 +19,7 @@
#include <linux/export.h>
#include <linux/user_namespace.h>
#include <linux/proc_ns.h>
+#include <linux/ima.h>
/*
* userns count is 1 for root user, 1 for init_uts_ns,
@@ -67,6 +68,9 @@ struct user_namespace init_user_ns = {
.keyring_name_list = LIST_HEAD_INIT(init_user_ns.keyring_name_list),
.keyring_sem = __RWSEM_INITIALIZER(init_user_ns.keyring_sem),
#endif
+#ifdef CONFIG_IMA_NS
+ .ima_ns = &init_ima_ns,
+#endif
};
EXPORT_SYMBOL_GPL(init_user_ns);
--
2.31.1
next prev parent reply other threads:[~2022-02-01 20:38 UTC|newest]
Thread overview: 86+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-01 20:37 [PATCH v10 00/27] ima: Namespace IMA with audit support in IMA-ns Stefan Berger
2022-02-01 20:37 ` [PATCH v10 01/27] ima: Remove ima_policy file before directory Stefan Berger
2022-02-10 12:02 ` Mimi Zohar
2022-02-01 20:37 ` [PATCH v10 02/27] ima: Do not print policy rule with inactive LSM labels Stefan Berger
2022-02-02 14:17 ` Christian Brauner
2022-02-01 20:37 ` [PATCH v10 03/27] ima: Return error code obtained from securityfs functions Stefan Berger
2022-02-10 12:02 ` Mimi Zohar
2022-02-15 18:09 ` Mimi Zohar
2022-02-01 20:37 ` [PATCH v10 04/27] securityfs: rework dentry creation Stefan Berger
2022-02-10 12:03 ` Mimi Zohar
2022-02-01 20:37 ` [PATCH v10 05/27] ima: Define ima_namespace struct and start moving variables into it Stefan Berger
2022-02-16 14:41 ` Mimi Zohar
2022-02-16 20:25 ` Stefan Berger
2022-02-01 20:37 ` [PATCH v10 06/27] ima: Move arch_policy_entry into ima_namespace Stefan Berger
2022-02-16 16:39 ` Mimi Zohar
2022-02-16 20:48 ` Stefan Berger
2022-02-16 20:56 ` Mimi Zohar
2022-02-16 21:19 ` Stefan Berger
2022-02-01 20:37 ` [PATCH v10 07/27] ima: Move ima_htable " Stefan Berger
2022-02-16 14:41 ` Mimi Zohar
2022-02-01 20:37 ` [PATCH v10 08/27] ima: Move measurement list related variables " Stefan Berger
2022-02-17 14:46 ` Mimi Zohar
2022-02-01 20:37 ` [PATCH v10 09/27] ima: Move some IMA policy and filesystem " Stefan Berger
2022-02-17 14:44 ` Mimi Zohar
2022-02-01 20:37 ` [PATCH v10 10/27] ima: Move IMA securityfs files into ima_namespace or onto stack Stefan Berger
2022-02-17 14:44 ` Mimi Zohar
2022-02-01 20:37 ` [PATCH v10 11/27] ima: Move ima_lsm_policy_notifier into ima_namespace Stefan Berger
2022-02-17 20:30 ` Mimi Zohar
2022-02-17 20:59 ` Stefan Berger
2022-02-17 21:24 ` Mimi Zohar
2022-02-01 20:37 ` [PATCH v10 12/27] ima: Define mac_admin_ns_capable() as a wrapper for ns_capable() Stefan Berger
2022-02-05 5:58 ` Serge E. Hallyn
2022-02-06 17:20 ` Stefan Berger
2022-02-07 18:43 ` Stefan Berger
2022-02-23 17:51 ` Serge E. Hallyn
2022-02-01 20:37 ` [PATCH v10 13/27] ima: Only accept AUDIT rules for non-init_ima_ns namespaces for now Stefan Berger
2022-02-17 21:32 ` Mimi Zohar
2022-02-01 20:37 ` Stefan Berger [this message]
2022-02-18 16:26 ` [PATCH v10 14/27] userns: Add pointer to ima_namespace to user_namespace Mimi Zohar
2022-02-01 20:37 ` [PATCH v10 15/27] ima: Implement hierarchical processing of file accesses Stefan Berger
2022-02-02 13:19 ` [PATCH] ima: fix semicolon.cocci warnings kernel test robot
2022-02-02 13:19 ` kernel test robot
2022-02-02 13:19 ` [PATCH v10 15/27] ima: Implement hierarchical processing of file accesses kernel test robot
2022-02-02 13:19 ` kernel test robot
2022-02-18 16:27 ` Mimi Zohar
2022-02-01 20:37 ` [PATCH v10 16/27] ima: Implement ima_free_policy_rules() for freeing of an ima_namespace Stefan Berger
2022-02-18 17:09 ` Mimi Zohar
2022-02-18 19:38 ` Stefan Berger
2022-02-18 20:04 ` Mimi Zohar
2022-02-01 20:37 ` [PATCH v10 17/27] ima: Add functions for creating and " Stefan Berger
2022-02-18 19:49 ` Mimi Zohar
2022-02-01 20:37 ` [PATCH v10 18/27] integrity/ima: Define ns_status for storing namespaced iint data Stefan Berger
2022-02-23 16:12 ` Mimi Zohar
2022-02-24 2:21 ` Stefan Berger
2022-02-24 2:49 ` Stefan Berger
2022-02-01 20:37 ` [PATCH v10 19/27] integrity: Add optional callback function to integrity_inode_free() Stefan Berger
2022-02-01 20:37 ` [PATCH v10 20/27] ima: Namespace audit status flags Stefan Berger
2022-02-01 20:37 ` [PATCH v10 21/27] ima: Remove unused iints from the integrity_iint_cache Stefan Berger
2022-02-01 20:37 ` [PATCH v10 22/27] securityfs: Extend securityfs with namespacing support Stefan Berger
2022-02-23 1:48 ` Mimi Zohar
2022-02-23 8:14 ` Christian Brauner
2022-02-23 15:44 ` Stefan Berger
2022-02-01 20:37 ` [PATCH v10 23/27] ima: Setup securityfs for IMA namespace Stefan Berger
2022-02-23 11:45 ` Mimi Zohar
2022-02-01 20:37 ` [PATCH v10 24/27] ima: Introduce securityfs file to activate an " Stefan Berger
2022-02-23 13:54 ` Mimi Zohar
2022-02-23 17:08 ` Stefan Berger
2022-02-23 17:12 ` Mimi Zohar
2022-02-23 22:30 ` Stefan Berger
2022-02-01 20:37 ` [PATCH v10 25/27] ima: Show owning user namespace's uid and gid when displaying policy Stefan Berger
2022-02-23 14:06 ` Mimi Zohar
2022-02-01 20:37 ` [PATCH v10 26/27] ima: Limit number of policy rules in non-init_ima_ns Stefan Berger
2022-02-23 15:38 ` Mimi Zohar
2022-02-23 16:37 ` Stefan Berger
2022-02-23 17:04 ` Mimi Zohar
2022-02-23 20:45 ` Stefan Berger
2022-02-23 20:59 ` Mimi Zohar
2022-02-23 21:06 ` Stefan Berger
2022-02-01 20:37 ` [PATCH v10 27/27] ima: Enable IMA namespaces Stefan Berger
2022-02-23 17:58 ` Serge E. Hallyn
2022-02-23 20:53 ` Stefan Berger
2022-02-02 14:13 ` [PATCH v10 00/27] ima: Namespace IMA with audit support in IMA-ns Christian Brauner
2022-02-02 14:40 ` Stefan Berger
2022-02-02 16:04 ` Mimi Zohar
2022-02-02 18:18 ` Stefan Berger
2022-02-02 21:27 ` Stefan Berger
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