pgsql: Prevent pg_ctl from being run as root.

From: tgl(at)svr1(dot)postgresql(dot)org (Tom Lane)
To: pgsql-committers(at)postgresql(dot)org
Subject: pgsql: Prevent pg_ctl from being run as root.
Date: 2004-10-22 00:24:27
Message-ID: 20041022002427.C14D532A353@svr1.postgresql.org
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Log Message:
-----------
Prevent pg_ctl from being run as root. Since it uses configuration files
owned by postgres, doing "pg_ctl start" as root could allow a privilege
escalation attack, as pointed out by iDEFENSE. Of course the postmaster would
fail, but we ought to fail a little sooner to protect sysadmins unfamiliar
with Postgres. The chosen fix is to disable root use of pg_ctl in all cases,
just to be confident there are no other holes.

Tags:
----
REL7_4_STABLE

Modified Files:
--------------
pgsql/src/bin/pg_ctl:
pg_ctl.sh (r1.36.4.1 -> r1.36.4.2)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/pg_ctl/pg_ctl.sh.diff?r1=1.36.4.1&r2=1.36.4.2)

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