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[PATCH] SELinux: add task_movememory hook

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This patch adds new security hook, task_movememory, to be called when memory
owened by a task is to be moved (e.g.  when migrating pages to a this hook is
identical to the setscheduler implementation, but a separate hook introduced
to allow this check to be specialized in the future if necessary.

Since the last posting, the hook has been renamed following feedback from
Christoph Lameter.

Signed-off-by: David Quigley <dpquigl@tycho.nsa.gov>
Acked-by:  Stephen Smalley <sds@tycho.nsa.gov>
Signed-off-by: James Morris <jmorris@namei.org>
Cc: Christoph Lameter <clameter@sgi.com>
Cc: Andi Kleen <ak@muc.de>
Acked-by: Chris Wright <chrisw@sous-sol.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
David Quigley
2006-06-23 02:04:01 -07:00
committed by Linus Torvalds
parent 22fb52dd73
commit 35601547ba
3 changed files with 27 additions and 0 deletions
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6
security/dummy.c
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@@ -537,6 +537,11 @@ static int dummy_task_getscheduler (struct task_struct *p)
return 0;
}
static int dummy_task_movememory (struct task_struct *p)
{
return 0;
}
static int dummy_task_wait (struct task_struct *p)
{
return 0;
@@ -981,6 +986,7 @@ void security_fixup_ops (struct security_operations *ops)
set_to_dummy_if_null(ops, task_setrlimit);
set_to_dummy_if_null(ops, task_setscheduler);
set_to_dummy_if_null(ops, task_getscheduler);
set_to_dummy_if_null(ops, task_movememory);
set_to_dummy_if_null(ops, task_wait);
set_to_dummy_if_null(ops, task_kill);
set_to_dummy_if_null(ops, task_prctl);