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apparmor: Remove SECURITY_APPARMOR_BOOTPARAM_VALUE

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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 <keescook@chromium.org>
This commit is contained in:
Kees Cook 2018-10-01 17:08:57 -07:00
parent 14bd99c821
commit 0102fb83f9
2 changed files with 1 additions and 17 deletions
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16
security/apparmor/Kconfig
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@ -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

2
security/apparmor/lsm.c
View File

@ -1333,7 +1333,7 @@ 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)