Messages in this thread | | | Subject | Re: Environment variables inside the kernel? | From | "Linh Dang" <> | Date | Thu, 18 Aug 2005 14:23:51 -0400 |
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Douglas McNaught <doug@mcnaught.org> wrote:
> > If someone is insisting you use environment varaiables in kernel > code, challenge them to show you where they are implemented in the > kernel. :) > > -Doug
They're in current process's vm. You just have to parse it yourself.
something along the (untested) lines:
struct mm_struct *mm = current ? get_task_mm(current) : NULL;
if (mm) { unsigned env_len = mm->env_end - mm->env_start; char* env = kmalloc(env_len, GFP_KERNEL); access_process_vm(current, mm->env_start, env, env_len, 0);
/* env is now a big buffer containing null-terminated strings representing evironment variables */
mmput(mm); }
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