Users needed or not by ports

Jason jhelfman at
Tue Oct 12 16:22:30 UTC 2010

On Tue, Oct 12, 2010 at 05:56:34PM +0200, David DEMELIER thus spake:
>2010/10/12 Florent Thoumie <flz at>:
>> On Mon, Oct 11, 2010 at 5:01 PM, David DEMELIER
>> <demelier.david at> wrote:
>>> Hello,
>>> Before writing a patch for the ports framework, I just want to be sure
>>> that FreeBSD ports shouldn't use a same user added by ports. For
>>> example pulseaudio adds some users to the system (pulse,
>>> pulse-whatever) and should these users be needed from others ports ?
>>> My plan is :
>>> 1. Register users added and needed by ports in files like +USERS +GROUPS,
>>> 2. When make deinstall or pkg_delete port_name check if the user is
>>> still needed by other port (if this is possible)
>>> 3. Print a message like "The following users and group are not needed
>>> anymore by the system : xxx yyy"
>>> pkgsrc already use something like this, so a port should be really
>>> easy to be done.
>> This has already been discussed (including in a thread that you started [1]).
>> This needs support in both ports and pkg_install.
>> [1]
>> --
>> Florent Thoumie
>> flz at
>> FreeBSD Committer
>Yes, for pkg_install I think I will talk to bapt because he's working
>on pkgng so maybe he has a great idea and a better knowledge in C, for
>the moment I made some changes in ports/Mk directory but not finished.
>I still need to know if a multiple ports could use a same user that
>has been added by one of them.
>I don't find any good example for this issue.

I had brought this up on #bsdports, and it was mentioned that this was in
HEAD before, but no longer present is the ability to sign packages. 

I mentioned this because you can change the +CONTENTS file and it will be
represented and read with no issue by subsequent queries of pkg_info. I
would think that if you could edit the +CONTENTS file, or any file for that
manner within pkgdb, this could pose potential security and/or stability


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