diff options
| author | Ingo Molnar <mingo@elte.hu> | 2010-10-08 09:14:51 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-10-08 09:15:00 +0200 |
| commit | 153db80f8cf74e8700cac96305b6c0b92918f17c (patch) | |
| tree | c2afb28e7b3f4fbf0aacd9edd39d7f895321ca0c /security/apparmor/resource.c | |
| parent | 5fd03ddab7fdbc44bfb2d183a4531c26a8dbca5a (diff) | |
| parent | cb655d0f3d57c23db51b981648e452988c0223f9 (diff) | |
Merge commit 'v2.6.36-rc7' into core/memblock
Merge reason: Update from -rc3 to -rc7.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'security/apparmor/resource.c')
| -rw-r--r-- | security/apparmor/resource.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/security/apparmor/resource.c b/security/apparmor/resource.c index 4a368f1fd36..a4136c10b1c 100644 --- a/security/apparmor/resource.c +++ b/security/apparmor/resource.c @@ -72,6 +72,7 @@ int aa_map_resource(int resource) /** * aa_task_setrlimit - test permission to set an rlimit * @profile - profile confining the task (NOT NULL) + * @task - task the resource is being set on * @resource - the resource being set * @new_rlim - the new resource limit (NOT NULL) * @@ -79,18 +80,21 @@ int aa_map_resource(int resource) * * Returns: 0 or error code if setting resource failed */ -int aa_task_setrlimit(struct aa_profile *profile, unsigned int resource, - struct rlimit *new_rlim) +int aa_task_setrlimit(struct aa_profile *profile, struct task_struct *task, + unsigned int resource, struct rlimit *new_rlim) { int error = 0; - if (profile->rlimits.mask & (1 << resource) && - new_rlim->rlim_max > profile->rlimits.limits[resource].rlim_max) - - error = audit_resource(profile, resource, new_rlim->rlim_max, - -EACCES); + /* TODO: extend resource control to handle other (non current) + * processes. AppArmor rules currently have the implicit assumption + * that the task is setting the resource of the current process + */ + if ((task != current->group_leader) || + (profile->rlimits.mask & (1 << resource) && + new_rlim->rlim_max > profile->rlimits.limits[resource].rlim_max)) + error = -EACCES; - return error; + return audit_resource(profile, resource, new_rlim->rlim_max, error); } /** |