[LEDE-DEV] convention on uid/gid for packages

[Eric Luehrsen]

On 05/13/2017 06:23 PM, Val Kulkov wrote:
> Is there any convention on the use of uid and gid when creating new
> users or groups? Can someone point me to it, if it exists?
>
> I noticed that two packages, icecast and postfix, compete for the same uid=87:
>
> icecast's Makefile:
>   USERID:=icecast=87:icecast=87
>
> postfix's postfix.init:
>   user_exists postfix || user_add postfix 87
>
> There may be more packages competing for the same uid/gid's, I have
> not fully researched it.
>
> I am preparing a new package, opendkim, which should be run as a
> non-privileged user. For this,
> USERID:=opendkim=<something>:opendkim=<something> seems appropriate,
> but what numbers should I assign?
>
> Val

I think that it is possible to allow the package installer to randomly 
assign the UID/GID. "USERID:=user:group" This didn't work for all 
releases, so I didn't try it for Unbound. Maybe it is time to give it a 
chance.

- Eric