On Sun, Oct 5, 2008 at 5:06 PM, Jan de Groot <[EMAIL PROTECTED]> wrote: > On Sun, 2008-10-05 at 16:31 -0500, Aaron Griffin wrote: >> On Sun, Oct 5, 2008 at 7:35 AM, Roman Kyrylych <[EMAIL PROTECTED]> wrote: >> > 2008/9/27 Dan McGee <[EMAIL PROTECTED]>: >> >> Guys, we have some big problems with groups. >> >> >> >> ( 9/31) installing policykit >> >> [---------------------] 100% >> >> groupadd: GID 102 is not unique >> >> useradd: unknown group policykit >> >> chgrp: invalid group: `policykit' >> >> chown: invalid user: `policykit' >> >> chown: invalid user: `policykit:policykit' >> >> chown: invalid user: `policykit' >> >> chgrp: invalid group: `policykit' >> >> chgrp: invalid group: `policykit' >> >> chgrp: invalid group: `policykit' >> >> chgrp: invalid group: `policykit' >> >> chgrp: invalid group: `policykit' >> >> >> >> Taking a peek at /etc/groups I saw this: >> >> >> >> kvm:x:101: >> >> tex:x:102: >> >> >> >> We really shouldn't be creating groups above 100, should we? Even more >> >> of a problem is explicitly specifying 102 in the policykit install >> >> script. These are reserved for user use. Your input is definitely >> >> welcome on this. >> > >> > http://bugs.archlinux.org/task/11589 >> > >> > We have user UIDs starting from 1000, but GIDs only from 100. >> > The most correct would be to have user-created GIDs start from 1000 too, >> > but then users that already have created 1xx groups should recreate >> > them and re-chgrp all files/dirs :-/ >> >> Mind filing a FR for that? I believe it would require changes in >> shadow... but we need to be careful to warn all users to modify their >> custom groups. It will be a headache, but I agree we should do it > > Ehm, why do we get ourselves in trouble like this? > We have an amount of static uid/gid combinations. UIDs below 1000 have > been reserved for system things for a long while, GIDs below 100 have > been reserved for system things also. > We've been using static UID/GIDs in packages for now. This has always > brought up weird issues with people that have other users using these > UID/GID combinations. > When I take a look at the Debian boxes I maintain, I see these groups: > crontab:x:101: > ssh:x:102: > ntp:x:103: > ssl-cert:x:104: > postfix:x:105: > postdrop:x:106: > > When I look on a different debian box, I see these numbers are in a > different order, or different users assigned to these GIDs. I think it's > better to change packages like policykit instead to add groups and > change ownership and permission in post_install and post_upgrade.
Are you suggesting we actually forget about reserved GIDs and UIDs altogether and do it all dynamically? That doesn't sound like too bad of an idea. Opinions?

