On 08/26/2013 01:15 PM, Stephen Smalley wrote: > On 08/26/2013 01:03 PM, William Roberts wrote: >> On Mon, Aug 26, 2013 at 10:00 AM, Stephen Smalley <[email protected]> wrote: >> >>> On 08/26/2013 12:56 PM, William Roberts wrote: >>>> On Mon, Aug 26, 2013 at 9:22 AM, William Roberts >>>>> Implementation 2: >>>>> We add a new sens category >>>>> >>>> Id be more ok with this approach if level was cats. And adding cats now >>>> would be an additional thing to remember based on history. >>>> sens=s0 cats=app is a bit more clear then sens=s1 level=app >>> >>> I think you mean if levelFrom= was catsFrom= (or categoriesFrom=). >>> If you want to effectively introduce an alias into the parser so that it >>> accepts either categoriesFrom= or levelFrom= and switch the sample >>> seapp_contexts over to using categoriesFrom=, then I am fine with that. >>> That's no different than what we did with the levelFromUid=true|false >>> to levelFrom=none|app|user|all transition. >>> >>> Yes, but my underlying problem with this, is looking back, i think level >> could have just been smarter. since a true level (sens + cat) is a >> wellformed and well standardized, the logic to handle it is simple. > > Really? All of the below are valid values for level= > > s0 > s0:c0 > s0:c0,c2 > s0:c0.c10 == s0:c0,c1,c2,c3,c4,c5,c6,c7,c8,c9,c10 > s0:c0.c10,c255 > s0-s15 (a range; lowlevel-highlevel) > s0-s15:c0,c2 > s0:c0-s15:c0 > s0:c0,c2-s15:c0.c1024 > > It gets a bit messy to parse them. > mcstransd in Fedora/RHEL is likely an example if you want to look at one.
I guess the kernel or libsepol mls_context_to_sid() functions are likely more directly applicable. -- This message was distributed to subscribers of the seandroid-list mailing list. If you no longer wish to subscribe, send mail to [email protected] with the words "unsubscribe seandroid-list" without quotes as the message.
