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authorLakshmi Ramasubramanian <nramas@linux.microsoft.com>2020-01-23 04:32:04 +0300
committerMimi Zohar <zohar@linux.ibm.com>2020-01-23 15:35:11 +0300
commit9f81a2eda488fef4c4e33a3965ae1759eb7db280 (patch)
tree822a66bb5abaf5dfcd3e224257ce5a97f3c3e7f1 /security/integrity/ima/Kconfig
parent5c7bac9fb2c5929a3b8600c45a972aabf9f410b5 (diff)
downloadlinux-9f81a2eda488fef4c4e33a3965ae1759eb7db280.tar.xz
IMA: Define workqueue for early boot key measurements
Measuring keys requires a custom IMA policy to be loaded. Keys created or updated before a custom IMA policy is loaded should be queued and will be processed after a custom policy is loaded. This patch defines a workqueue for queuing keys when a custom IMA policy has not yet been loaded. An intermediate Kconfig boolean option namely IMA_QUEUE_EARLY_BOOT_KEYS is used to declare the workqueue functions. A flag namely ima_process_keys is used to check if the key should be queued or should be processed immediately. Signed-off-by: Lakshmi Ramasubramanian <nramas@linux.microsoft.com> Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
Diffstat (limited to 'security/integrity/ima/Kconfig')
-rw-r--r--security/integrity/ima/Kconfig6
1 files changed, 6 insertions, 0 deletions
diff --git a/security/integrity/ima/Kconfig b/security/integrity/ima/Kconfig
index 355754a6b6ca..711ff10fa36e 100644
--- a/security/integrity/ima/Kconfig
+++ b/security/integrity/ima/Kconfig
@@ -316,3 +316,9 @@ config IMA_MEASURE_ASYMMETRIC_KEYS
depends on IMA
depends on ASYMMETRIC_PUBLIC_KEY_SUBTYPE=y
default y
+
+config IMA_QUEUE_EARLY_BOOT_KEYS
+ bool
+ depends on IMA_MEASURE_ASYMMETRIC_KEYS
+ depends on SYSTEM_TRUSTED_KEYRING
+ default y