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From: wcs@ho95e.UUCP
Newsgroups: news.admin
Subject: Re: News Directory Problems
Message-ID: <1851@ho95e.ATT.COM>
Date: Sun, 8-Nov-87 15:08:21 EST
Article-I.D.: ho95e.1851
Posted: Sun Nov  8 15:08:21 1987
Date-Received: Tue, 10-Nov-87 02:47:49 EST
References: <474@neptune.AMD.COM> <2120@lsuc.UUCP> <44176@beno.seismo.CSS.GOV> <1877@ncr-sd.SanDiego.NCR.COM>
Reply-To: wcs@ho95e.UUCP (46133-Bill.Stewart,2G218,x0705,)
Organization: AT&T Bell Labs 46133, Holmdel, NJ
Lines: 20

In article <1877@ncr-sd.SanDiego.NCR.COM> greg@ncr-sd.SanDiego.NCR.COM (Greg Noel) writes:
:In article <44176@beno.seismo.CSS.GOV> rick@seismo.CSS.GOV (Rick Adams) writes:
:>For a long time, inews has checked to see if it was running as root and
:>if it was, assumed the worst and did setuid() calls to give it the
:>intended permissions.
:>This "shouldn't" be the problem.
:directories being created owned by root) and it was eventually traced to uucp
:... uucp being invoked by root when running as an ethernet server.
:... We found that, for some reason, a set-UID program invoked by root doesn't
:operate the same way as a non-set-UID program; something gets confused.
:program as a non-set-UID program; it did a stat() of uucico to find out the
:UID/GID to set itself to.

System V has several "features" in its setuid-handling.  One obvious
workaround is for the news code to chown directories to news when it
creates them.  Obviously this requires a #define SYSV, unless 4.3BSD
now lets mere mortals use chown?
-- 
#				Thanks;
# Bill Stewart, AT&T Bell Labs 2G218, Holmdel NJ 1-201-949-0705 ihnp4!ho95c!wcs