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[PATCH] selinux: add selinux_is_enforced() function

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Add selinux_is_enforced() function to give access to SELinux
enforcement to the rest of the kernel.

Signed-off-by: Sebastien Buisson <sbuisson@ddn.com>
---
 include/linux/selinux.h             | 5 +++++
 security/selinux/exports.c          | 6 ++++++
 security/selinux/hooks.c            | 2 ++
 security/selinux/include/avc.h      | 6 ------
 security/selinux/include/security.h | 1 +
 5 files changed, 14 insertions(+), 6 deletions(-)

diff --git a/include/linux/selinux.h b/include/linux/selinux.h
index 44f4596..1007321 100644
--- a/include/linux/selinux.h
+++ b/include/linux/selinux.h
@@ -24,12 +24,17 @@
  * selinux_is_enabled - is SELinux enabled?
  */
 bool selinux_is_enabled(void);
+bool selinux_is_enforced(void);
 #else
 
 static inline bool selinux_is_enabled(void)
 {
 	return false;
 }
+static inline bool selinux_is_enforced(void)
+{
+	return false;
+}
 #endif	/* CONFIG_SECURITY_SELINUX */
 
 #endif /* _LINUX_SELINUX_H */
diff --git a/security/selinux/exports.c b/security/selinux/exports.c
index e75dd94..016f1e2 100644
--- a/security/selinux/exports.c
+++ b/security/selinux/exports.c
@@ -21,3 +21,9 @@ bool selinux_is_enabled(void)
 	return selinux_enabled;
 }
 EXPORT_SYMBOL_GPL(selinux_is_enabled);
+
+bool selinux_is_enforced(void)
+{
+	return selinux_enforcing;
+}
+EXPORT_SYMBOL_GPL(selinux_is_enforced);
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index e67a526..da2baeb 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -109,6 +109,8 @@ static int __init enforcing_setup(char *str)
 	return 1;
 }
 __setup("enforcing=", enforcing_setup);
+#else
+int selinux_enforcing;
 #endif
 
 #ifdef CONFIG_SECURITY_SELINUX_BOOTPARAM
diff --git a/security/selinux/include/avc.h b/security/selinux/include/avc.h
index 0999df0..ff98351 100644
--- a/security/selinux/include/avc.h
+++ b/security/selinux/include/avc.h
@@ -19,12 +19,6 @@
 #include "av_permissions.h"
 #include "security.h"
 
-#ifdef CONFIG_SECURITY_SELINUX_DEVELOP
-extern int selinux_enforcing;
-#else
-#define selinux_enforcing 1
-#endif
-
 /*
  * An entry in the AVC.
  */
diff --git a/security/selinux/include/security.h b/security/selinux/include/security.h
index f979c35..1e67e268 100644
--- a/security/selinux/include/security.h
+++ b/security/selinux/include/security.h
@@ -64,6 +64,7 @@
 struct netlbl_lsm_secattr;
 
 extern int selinux_enabled;
+extern int selinux_enforcing;
 
 /* Policy capabilities */
 enum {
-- 
1.8.3.1

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Thread

[PATCH] selinux: add selinux_is_enforced() function Sebastien Buisson <sbuisson.ddn@gmail.com> - 2017-04-12 11:10 +0200
  Re: [PATCH] selinux: add selinux_is_enforced() function Paul Moore <pmoore@redhat.com> - 2017-04-12 14:00 +0200
    Re: [PATCH] selinux: add selinux_is_enforced() function Sebastien Buisson <sbuisson.ddn@gmail.com> - 2017-04-12 15:40 +0200
      Re: [PATCH] selinux: add selinux_is_enforced() function Stephen Smalley <sds@tycho.nsa.gov> - 2017-04-12 16:40 +0200
        Re: [PATCH] selinux: add selinux_is_enforced() function Sebastien Buisson <sbuisson.ddn@gmail.com> - 2017-04-12 17:20 +0200
          Re: [PATCH] selinux: add selinux_is_enforced() function Stephen Smalley <sds@tycho.nsa.gov> - 2017-04-12 18:30 +0200
            Re: [PATCH] selinux: add selinux_is_enforced() function Sebastien Buisson <sbuisson.ddn@gmail.com> - 2017-04-12 19:10 +0200
              Re: [PATCH] selinux: add selinux_is_enforced() function Stephen Smalley <sds@tycho.nsa.gov> - 2017-04-12 19:30 +0200
    Re: [PATCH] selinux: add selinux_is_enforced() function Sebastien Buisson <sbuisson.ddn@gmail.com> - 2017-04-12 15:40 +0200
      Re: [PATCH] selinux: add selinux_is_enforced() function Stephen Smalley <sds@tycho.nsa.gov> - 2017-04-12 16:00 +0200
        Re: [PATCH] selinux: add selinux_is_enforced() function Sebastien Buisson <sbuisson.ddn@gmail.com> - 2017-04-12 17:30 +0200
          Re: [PATCH] selinux: add selinux_is_enforced() function Stephen Smalley <sds@tycho.nsa.gov> - 2017-04-12 18:30 +0200
            Re: [PATCH] selinux: add selinux_is_enforced() function Casey Schaufler <casey@schaufler-ca.com> - 2017-04-13 02:20 +0200
  Re: [PATCH] selinux: add selinux_is_enforced() function Stephen Smalley <sds@tycho.nsa.gov> - 2017-04-12 14:10 +0200

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