[PATCH v2 1/4] KEYS: Defined an ima hook for measuring keys on key create or update

[Lakshmi Ramasubramanian]

On 10/25/2019 12:40 PM, Mimi Zohar wrote:

>> +void ima_post_key_create_or_update(struct key *keyring, struct key *key,
>> +				   unsigned long flags, bool create)
>> +{
>> +	const struct public_key *pk;
>> +
>> +	if (key->type != &key_type_asymmetric)
>> +		return;
>> +
>> +	if (!ima_initialized)
>> +		return;
> 
> There's no reason to define a new variable to determine if IMA is
> initialized.  Use ima_policy_flag.  

Please correct me if I am wrong -

ima_policy_flag will be set to 0 if IMA is not yet initialized
OR
IMA is initialized, but ima_policy_flag could be still set to 0 (say, 
due to the configured policy).

In the latter case the measurement request should be a NOP immediately.

  -lakshmi