Re: [HACKERS] Re: initdb.sh fixed

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От Bruce Momjian
Тема Re: [HACKERS] Re: initdb.sh fixed
Дата
Msg-id 199912200345.WAA23177@candle.pha.pa.us
обсуждение исходный текст
Ответ на Re: [HACKERS] Re: initdb.sh fixed  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: [HACKERS] Re: initdb.sh fixed  (Tom Lane <tgl@sss.pgh.pa.us>)
Список pgsql-hackers
> Bruce Momjian <pgman@candle.pha.pa.us> writes:
> > Seems either $USER or $LOGNAME should be set in all cases.
> 
> One or both is probably set in most shell environments ... but
> it's not necessarily *right*.  If you've su'd to postgres from
> your login account, these env vars may still reflect your login.
> 
> > I am now using:
> >    POSTGRES_SUPERUSERID="`id -u 2>/dev/null || echo 0`"
> > Let's see how portable that is?
> 
> Some quick experimentation shows that id -u isn't too trustworthy,
> which is a shame because it's the POSIX standard.  But I find that
> the SunOS implementation ignores -u:
> 
> $ id -u
> uid=6902(tgl) gid=50(users0) groups=50(users0)
> 
> And no doubt there will be platforms that haven't got "id" at all.
> 
> It might be best to provide a little bitty C program that calls
> geteuid() and prints the result...

We could argue that Postgres is the super-user for the database, it
should be zero userid.

--  Bruce Momjian                        |  http://www.op.net/~candle maillist@candle.pha.pa.us            |  (610)
853-3000+  If your life is a hard drive,     |  830 Blythe Avenue +  Christ can be your backup.        |  Drexel Hill,
Pennsylvania19026
 


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