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rlimits: security, add task_struct to setrlimit

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Add task_struct to task_setrlimit of security_operations to be able to set
rlimit of task other than current.

Signed-off-by: Jiri Slaby <[email protected]>
Acked-by: Eric Paris <[email protected]>
Acked-by: James Morris <[email protected]>
This commit is contained in:
Jiri Slaby 2009-08-26 18:41:16 +02:00
commit 8fd00b4d70
5 changed files with 16 additions and 10 deletions
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7
security/selinux/hooks.c
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@ -3371,16 +3371,17 @@ static int selinux_task_getioprio(struct task_struct *p)
return current_has_perm(p, PROCESS__GETSCHED);
}
static int selinux_task_setrlimit(unsigned int resource, struct rlimit *new_rlim)
static int selinux_task_setrlimit(struct task_struct *p, unsigned int resource,
struct rlimit *new_rlim)
{
struct rlimit *old_rlim = current->signal->rlim + resource;
struct rlimit *old_rlim = p->signal->rlim + resource;
/* Control the ability to change the hard limit (whether
lowering or raising it), so that the hard limit can
later be used as a safe reset point for the soft limit
upon context transitions. See selinux_bprm_committing_creds. */
if (old_rlim->rlim_max != new_rlim->rlim_max)
return current_has_perm(current, PROCESS__SETRLIMIT);
return current_has_perm(p, PROCESS__SETRLIMIT);
return 0;
}