Date: Tue, 28 Jun 2011 20:57:41 +0100 From: Chris Rees <crees@freebsd.org> To: jhell <jhell@dataix.net>, Greg Lewis <glewis@eyesbeyond.com> Cc: hackers@freebsd.org, Dan Nelson <dnelson@allantgroup.com> Subject: Re: Default value for UIDs Message-ID: <BANLkTi=BphA=r3k6XdS=Qrscmd=uWR4EXw@mail.gmail.com> In-Reply-To: <BLU0-SMTP185593CFA319ED565172196A9560@phx.gbl> References: <BANLkTimw9c_jYCeomW50EckGpsP9Gv574Q@mail.gmail.com> <20110628165911.GC44024@dan.emsphone.com> <BANLkTinQYESEEtG8mE_oe_VPYCQZtbdjjQ@mail.gmail.com> <BLU0-SMTP185593CFA319ED565172196A9560@phx.gbl>
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On 28 June 2011 20:50, jhell <jhell@dataix.net> wrote: > On Tue, Jun 28, 2011 at 06:30:23PM +0100, Chris Rees wrote: >> On 28 June 2011 17:59, Dan Nelson <dnelson@allantgroup.com> wrote: >> > In the last episode (Jun 28), Chris Rees said: >> >> Hi all, >> >> >> >> [crees@zeus]~% tail -n 2 /usr/ports/UIDs >> >> dbxml:*:949:949::0:0:dbXML user:/nonexistent:/sbin/nologin >> >> nobody:*:65534:65534::0:0:Unprivileged user:/nonexistent:/usr/sbin/no= login >> >> [crees@zeus]~% grep crees /etc/passwd >> >> crees:*:1001:1001:Chris Rees:/home/crees:/bin/tcsh >> >> chris:*:1001:1001:Chris Rees:/home/crees:/bin/tcsh >> >> [crees@zeus]~% >> >> >> >> I'm a little concerned at how close the ports UIDs are getting to the >> >> username space... >> > >> > There are only 216 entries in UIDs, though, so if people are just usin= g >> > "last entry + 1" when adding new ones, they should probably start fill= ing >> > the gaps instead. =A0The 100s and 200s are pretty dense, but 350-399 o= nly has >> > 5 entries, 400-499 has 4, 600-699 has 7, 700-799 has 3, etc. >> > >> >> Thank you for pointing that out (d'oh). >> >> However, perhaps we could still address the *potential* problems. To >> use one example, Debian has (as long as I can remember) used 10001 for >> the first username. When we have 65535 - 99 UIDs to play with, >> expansion like this isn't a problem. >> >> Could it be worth it? Think of ten years down the line. >> > > Best part would be to find every port that doesnt need a statically > allocated UID/GID and just dynamically allocate them after a certain > range '30000-50000' or whatever for ~20,000 ports and divide that > namespace up by category. > > > dbxml really does it really need to be static ? it just needs to run. > > Also: (stable/8) /usr/ports/UIDs > dbxml:*:945:945::0:0:& user:/nonexistent:/sbin/nologin > dbxml:*:949:949::0:0:dbXML user:/nonexistent:/sbin/nologin > > Which one of these are we planning on actually using here ? > Interesting... glewis added the second one. Greg, what did the pointyhat say? http://www.freebsd.org/cgi/cvsweb.cgi/ports/UIDs.diff?r1=3D1.156;r2=3D1.155= ;f=3Dh Chris
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