Re: Dazuko's 6th birthday (Wiki)

Feb 9, 2008 at  9:25 AM, in message, "Alon Bar-Lev" [email protected]> wrote: 
> On 2/9/08, John Ogness <[email protected]> wrote:
>> Yes, it may cause problems for distributions. I am considering adding
>> a kernel parameter so that Dazuko can be dynamically activated at boot
>> (like SElinux). Then distributions would be able to include the patch,
>> but leave Dazuko disabled. Users could then easily enable it with
>> somthing like "dazuko=1" as a boot parameter.
>>
>> The only alternative is to avoid LSM.
> 
> What about the syscall and System.map workaround, someone had suggested this 
> at:
> http://bugs.gentoo.org/show_bug.cgi?id=207537
> 
> Maybe until 2.6.25 you come up with none LSM solution?

FYI... the syscall table is now in "read-only" memory (upstream).  My vote is to
proceed with an LSM solution. 

Of course, there may still be ways to hack the syscall codepath.  (Perhaps
a copy of the table in rw mem, and then redirect all syscall table references
to the rw copy;... etc.)

-adam