On 2020-12-12 11:20 a.m., Tyler Hicks wrote:
On 2020-12-12 10:02:48, Tushar Sugandhi wrote:
System administrators should be able to limit which kernel subsystems
they want to measure the critical data for. To enable that, an IMA policy
condition to choose specific kernel subsystems is needed. This policy
condition would constrain the measurement of the critical data based on
a label for the given subsystems.
Add a new IMA policy condition - "data_source:=" to the IMA func
CRITICAL_DATA to allow measurement of various kernel subsystems. This
policy condition would enable the system administrators to restrict the
measurement to the labels listed in "data_source:=".
Limit the measurement to the labels that are specified in the IMA
policy - CRITICAL_DATA+"data_source:=". If "data_sources:=" is not
provided with the func CRITICAL_DATA, the data from all the
supported kernel subsystems is measured.
Signed-off-by: Tushar Sugandhi <tusharsu@xxxxxxxxxxxxxxxxxxx>
Reviewed-by: Tyler Hicks <tyhicks@xxxxxxxxxxxxxxxxxxx>
Tyler
Thanks again Tyler.
~Tushar
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