[Dev] User ID allocation
l.stelmach at samsung.com
Thu May 22 14:35:42 GMT 2014
It was <2014-05-22 czw 11:16>, when Michal Witanowski wrote:
> From: Dev [mailto:dev-bounces at lists.tizen.org] On Behalf Of Thiago Macieira
> Sent: Wednesday, May 21, 2014 7:54 PM
>> Em qua 21 maio 2014, às 17:35:32, Michal Witanowski escreveu:
>>> I'm in team working on Domain Separation (Linux Containers) and we need to
>>> reserve an UID for our daemon which will be communicating with containers
>>> via dbus socket (it requires that UID in host and container match, so we
>>> can't trust default values).
>>> I was wondering if there exist any rules for User ID allocation on
>>> Tizen 3.0 platform.
>> Can't you simply have a useradd -r command in the RPM post-install
>> rule? This will create a UID for you. The software simply needs to
>> getpwnam to get the UID.
> We can't just do "useradd -r", because it will generate a "random" User ID.
> We must be sure that UID of the deamon user will be the same, regardless
> system configuration, existing users in the system, etc.
Why is that? Are you going to hardcode the uids anywhere? That is BAD.
Samsung R&D Institute Poland
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