linux-kernel - [PATCH security-next v4 08/32] LSM: Record LSM name in struct lsm

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Message-Id: <20181002005505.6112-9-keescook@chromium.org>
Date:   Mon,  1 Oct 2018 17:54:41 -0700
From:   Kees Cook <keescook@...omium.org>
To:     James Morris <jmorris@...ei.org>
Cc:     Kees Cook <keescook@...omium.org>,
        Casey Schaufler <casey@...aufler-ca.com>,
        John Johansen <john.johansen@...onical.com>,
        Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>,
        Paul Moore <paul@...l-moore.com>,
        Stephen Smalley <sds@...ho.nsa.gov>,
        "Schaufler, Casey" <casey.schaufler@...el.com>,
        LSM <linux-security-module@...r.kernel.org>,
        Jonathan Corbet <corbet@....net>, linux-doc@...r.kernel.org,
        linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH security-next v4 08/32] LSM: Record LSM name in struct lsm_info

In preparation for making LSM selections outside of the LSMs, include
the name of LSMs in struct lsm_info.

Signed-off-by: Kees Cook <keescook@...omium.org>
Reviewed-by: Casey Schaufler <casey@...aufler-ca.com>
---
 include/linux/lsm_hooks.h  | 1 +
 security/apparmor/lsm.c    | 1 +
 security/integrity/iint.c  | 1 +
 security/selinux/hooks.c   | 1 +
 security/smack/smack_lsm.c | 1 +
 security/tomoyo/tomoyo.c   | 1 +
 6 files changed, 6 insertions(+)

diff --git a/include/linux/lsm_hooks.h b/include/linux/lsm_hooks.h
index 9c6b4198ff5a..ae159b02f3ab 100644
--- a/include/linux/lsm_hooks.h
+++ b/include/linux/lsm_hooks.h
@@ -2040,6 +2040,7 @@ extern void security_add_hooks(struct security_hook_list *hooks, int count,
 				char *lsm);
 
 struct lsm_info {
+	const char *name;	/* Required. */
 	int (*init)(void);	/* Required. */
 };
 
diff --git a/security/apparmor/lsm.c b/security/apparmor/lsm.c
index c4863956c832..dca4b7dbf368 100644
--- a/security/apparmor/lsm.c
+++ b/security/apparmor/lsm.c
@@ -1607,5 +1607,6 @@ static int __init apparmor_init(void)
 }
 
 DEFINE_LSM(apparmor) = {
+	.name = "apparmor",
 	.init = apparmor_init,
 };
diff --git a/security/integrity/iint.c b/security/integrity/iint.c
index 94e8e1820748..1ea05da2323d 100644
--- a/security/integrity/iint.c
+++ b/security/integrity/iint.c
@@ -176,6 +176,7 @@ static int __init integrity_iintcache_init(void)
 	return 0;
 }
 DEFINE_LSM(integrity) = {
+	.name = "integrity",
 	.init = integrity_iintcache_init,
 };
 
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 6ca2e89ddbd6..9651bccae270 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -7203,6 +7203,7 @@ void selinux_complete_init(void)
 /* SELinux requires early initialization in order to label
    all processes and objects when they are created. */
 DEFINE_LSM(selinux) = {
+	.name = "selinux",
 	.init = selinux_init,
 };
 
diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
index c62e26939a69..2fb56bcf1316 100644
--- a/security/smack/smack_lsm.c
+++ b/security/smack/smack_lsm.c
@@ -4883,5 +4883,6 @@ static __init int smack_init(void)
  * all processes and objects when they are created.
  */
 DEFINE_LSM(smack) = {
+	.name = "smack",
 	.init = smack_init,
 };
diff --git a/security/tomoyo/tomoyo.c b/security/tomoyo/tomoyo.c
index b2d833999910..1b5b5097efd7 100644
--- a/security/tomoyo/tomoyo.c
+++ b/security/tomoyo/tomoyo.c
@@ -551,5 +551,6 @@ static int __init tomoyo_init(void)
 }
 
 DEFINE_LSM(tomoyo) = {
+	.name = "tomoyo",
 	.init = tomoyo_init,
 };
-- 
2.17.1