[systemd-devel] systemd pam and O_CLOEXEC problem

[Sergei Kabanov]

Mon, 12 May 2014 13:41:03 +0200 от David Herrmann <dh.herrmann at gmail.com>:
>Hi
>
>On Mon, May 12, 2014 at 1:27 PM, dedede gfgfgf trtrtrtrtrtr
>< s.kabanov70 at mail.ru > wrote:
>>   Hello Colin.
>>   I am speaking about descriptors in systemd pam module. Application
>>   which use pam can not control it. Because of:
>>   session_fd = dup(session_fd);
>>
>>   in pam-module.c we have now descriptor which does not have O_CLOEXEC
>>   set. So it will not be closed automatically during exec of children
>> processes
>>   and because of this logind will not know that process which opened pam
>>   session exited.
>
>This behavior is intentional. This way we can track the main processes
>of the session and get notified when they died. You should be able to
>close the session by using pam_close_session().
>
>Thanks
>David
Hello
But all children will have that descriptor open. So when parent process will
die logind will not be notified.


-- 
Sergei Kabanov
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