From: Casey Schaufler <casey@schaufler-ca.com>
To: casey.schaufler@intel.com, jmorris@namei.org,
linux-security-module@vger.kernel.org, selinux@vger.kernel.org
Cc: casey@schaufler-ca.com, linux-audit@redhat.com,
keescook@chromium.org, john.johansen@canonical.com,
penguin-kernel@i-love.sakura.ne.jp, paul@paul-moore.com,
stephen.smalley.work@gmail.com, linux-kernel@vger.kernel.org
Subject: [PATCH v33 24/29] LSM: Add a function to report multiple LSMs
Date: Thu, 10 Mar 2022 15:46:27 -0800 [thread overview]
Message-ID: <20220310234632.16194-25-casey@schaufler-ca.com> (raw)
In-Reply-To: <20220310234632.16194-1-casey@schaufler-ca.com>
Add a new boolean function lsm_multiple_contexts() to
identify when multiple security modules provide security
context strings.
Signed-off-by: Casey Schaufler <casey@schaufler-ca.com>
---
include/linux/security.h | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/include/linux/security.h b/include/linux/security.h
index 6dbdfd12fd79..13bc38970498 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -232,6 +232,15 @@ static inline bool lsmblob_equal(const struct lsmblob *bloba,
extern int lsm_name_to_slot(char *name);
extern const char *lsm_slot_to_name(int slot);
+static inline bool lsm_multiple_contexts(void)
+{
+#ifdef CONFIG_SECURITY
+ return lsm_slot_to_name(1) != NULL;
+#else
+ return false;
+#endif
+}
+
/**
* lsmblob_value - find the first non-zero value in an lsmblob structure.
* @blob: Pointer to the data
--
2.31.1
next prev parent reply other threads:[~2022-03-10 23:59 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20220310234632.16194-1-casey.ref@schaufler-ca.com>
2022-03-10 23:46 ` [PATCH v33 00/29] LSM: Module stacking for AppArmor Casey Schaufler
2022-03-10 23:46 ` [PATCH v33 01/29] integrity: disassociate ima_filter_rule from security_audit_rule Casey Schaufler
2022-03-11 10:48 ` kernel test robot
2022-03-10 23:46 ` [PATCH v33 02/29] LSM: Infrastructure management of the sock security Casey Schaufler
2022-03-10 23:46 ` [PATCH v33 03/29] LSM: Add the lsmblob data structure Casey Schaufler
2022-03-10 23:46 ` [PATCH v33 04/29] LSM: provide lsm name and id slot mappings Casey Schaufler
2022-03-10 23:46 ` [PATCH v33 05/29] IMA: avoid label collisions with stacked LSMs Casey Schaufler
2022-03-10 23:46 ` [PATCH v33 06/29] LSM: Use lsmblob in security_audit_rule_match Casey Schaufler
2022-03-10 23:46 ` [PATCH v33 07/29] LSM: Use lsmblob in security_kernel_act_as Casey Schaufler
2022-03-10 23:46 ` [PATCH v33 08/29] LSM: Use lsmblob in security_secctx_to_secid Casey Schaufler
2022-03-10 23:46 ` [PATCH v33 09/29] LSM: Use lsmblob in security_secid_to_secctx Casey Schaufler
2022-03-10 23:46 ` [PATCH v33 10/29] LSM: Use lsmblob in security_ipc_getsecid Casey Schaufler
2022-03-10 23:46 ` [PATCH v33 11/29] LSM: Use lsmblob in security_current_getsecid Casey Schaufler
2022-03-10 23:46 ` [PATCH v33 12/29] LSM: Use lsmblob in security_inode_getsecid Casey Schaufler
2022-03-10 23:46 ` [PATCH v33 13/29] LSM: Use lsmblob in security_cred_getsecid Casey Schaufler
2022-03-11 7:52 ` kernel test robot
2022-03-11 9:16 ` kernel test robot
2022-03-12 4:50 ` kernel test robot
2022-03-10 23:46 ` [PATCH v33 14/29] LSM: Specify which LSM to display Casey Schaufler
2022-03-10 23:46 ` [PATCH v33 15/29] LSM: Ensure the correct LSM context releaser Casey Schaufler
2022-03-10 23:46 ` [PATCH v33 16/29] LSM: Use lsmcontext in security_secid_to_secctx Casey Schaufler
2022-03-10 23:46 ` [PATCH v33 17/29] LSM: Use lsmcontext in security_inode_getsecctx Casey Schaufler
2022-03-10 23:46 ` [PATCH v33 18/29] LSM: security_secid_to_secctx in netlink netfilter Casey Schaufler
2022-03-10 23:46 ` [PATCH v33 19/29] NET: Store LSM netlabel data in a lsmblob Casey Schaufler
2022-03-10 23:46 ` [PATCH v33 20/29] binder: Pass LSM identifier for confirmation Casey Schaufler
2022-03-10 23:46 ` [PATCH v33 21/29] LSM: Extend security_secid_to_secctx to include module selection Casey Schaufler
2022-03-10 23:46 ` [PATCH v33 22/29] Audit: Keep multiple LSM data in audit_names Casey Schaufler
2022-03-10 23:46 ` [PATCH v33 23/29] Audit: Create audit_stamp structure Casey Schaufler
2022-03-10 23:46 ` Casey Schaufler [this message]
2022-03-10 23:46 ` [PATCH v33 25/29] Audit: Allow multiple records in an audit_buffer Casey Schaufler
2022-03-15 23:47 ` Paul Moore
2022-03-16 0:06 ` Casey Schaufler
2022-03-10 23:46 ` [PATCH v33 26/29] Audit: Add record for multiple task security contexts Casey Schaufler
2022-03-15 23:47 ` Paul Moore
2022-03-16 0:17 ` Casey Schaufler
2022-03-10 23:46 ` [PATCH v33 27/29] Audit: Add record for multiple object " Casey Schaufler
2022-03-15 23:47 ` Paul Moore
2022-03-16 0:23 ` Casey Schaufler
2022-03-16 1:08 ` Paul Moore
2022-03-10 23:46 ` [PATCH v33 28/29] LSM: Add /proc attr entry for full LSM context Casey Schaufler
2022-03-10 23:46 ` [PATCH v33 29/29] AppArmor: Remove the exclusive flag Casey Schaufler
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