Re: fs/proc/base.c: text md5sums; tgid vs tid; and INF vs ONE?

From: Arvid Brodin
Date: Fri Nov 02 2012 - 19:00:11 EST


On 2012-11-01 21:29, Arvid Brodin wrote:
> On 2012-10-30 23:45, Eric W. Biederman wrote:
>> I recommend you checkout the code in security/ima/ looks like it can
>> already do what you are trying to do.
>
> Ah. I did actually check this out a year and a half ago or something like that. Seems like
> it has gotten a bit more capable since then with the new patches (immutable executables
> etc)! I'll take a look at it again to see if it might fit our needs. Thanks!
>

It looks like IMA only checks files when they are accessed; I cannot find any mechanism
for checking code that is already executing. So it won't help us, unfortunately.

--
Arvid Brodin | Consultant (Linux)
XDIN AB | KnarrarnÃsgatan 7 | SE-164 40 Kista | Sweden | xdin.comèº{.nÇ+‰·Ÿ®‰­†+%ŠËlzwm…ébëæìr¸›zX§»®w¥Š{ayºÊÚë,j­¢f£¢·hš‹àz¹®w¥¢¸ ¢·¦j:+v‰¨ŠwèjØm¶Ÿÿ¾«‘êçzZ+ƒùšŽŠÝj"ú!¶iO•æ¬z·švØ^¶m§ÿðà nÆàþY&—