In preparation for removing CONFIG_DEFAULT_SECURITY, this removes the
soon-to-be redundant SECURITY_APPARMOR_BOOTPARAM_VALUE. Since explicit
ordering via CONFIG_LSM or "lsm=" will define whether an LSM is enabled or
not, this CONFIG will become effectively ignored, so remove it. However,
in order to stay backward-compatible with "security=apparmor", the enable
variable defaults to true.
Signed-off-by: Kees Cook <keesc...@chromium.org>
---
security/apparmor/Kconfig | 16 ----------------
security/apparmor/lsm.c | 2 +-
2 files changed, 1 insertion(+), 17 deletions(-)
diff --git a/security/apparmor/Kconfig b/security/apparmor/Kconfig
index b6b68a7750ce..3de21f46c82a 100644
--- a/security/apparmor/Kconfig
+++ b/security/apparmor/Kconfig
@@ -14,22 +14,6 @@ config SECURITY_APPARMOR
If you are unsure how to answer this question, answer N.
-config SECURITY_APPARMOR_BOOTPARAM_VALUE
- int "AppArmor boot parameter default value"
- depends on SECURITY_APPARMOR
- range 0 1
- default 1
- help
- This option sets the default value for the kernel parameter
- 'apparmor', which allows AppArmor to be enabled or disabled
- at boot. If this option is set to 0 (zero), the AppArmor
- kernel parameter will default to 0, disabling AppArmor at
- boot. If this option is set to 1 (one), the AppArmor
- kernel parameter will default to 1, enabling AppArmor at
- boot.
-
- If you are unsure how to answer this question, answer 1.
-
config SECURITY_APPARMOR_HASH
bool "Enable introspection of sha1 hashes for loaded profiles"
depends on SECURITY_APPARMOR
diff --git a/security/apparmor/lsm.c b/security/apparmor/lsm.c
index 37dafab649b1..e8b40008d58c 100644
--- a/security/apparmor/lsm.c
+++ b/security/apparmor/lsm.c
@@ -1332,7 +1332,7 @@ bool aa_g_paranoid_load = true;
module_param_named(paranoid_load, aa_g_paranoid_load, aabool, S_IRUGO);
/* Boot time disable flag */
-static int apparmor_enabled = CONFIG_SECURITY_APPARMOR_BOOTPARAM_VALUE;
+static int apparmor_enabled __lsm_ro_after_init = 1;
module_param_named(enabled, apparmor_enabled, int, 0444);
static int __init apparmor_enabled_setup(char *str)
--
2.14.5
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