Date: Mon, 27 Sep 1999 11:54:48 +0200 From: Sheldon Hearn <sheldonh@uunet.co.za> To: slava <sl@zeus.dnt.md> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: loosing users from master.passwd Message-ID: <94070.938426088@axl.noc.iafrica.com> In-Reply-To: Your message of "Fri, 24 Sep 1999 10:36:13 %2B0300." <Pine.BSF.4.05.9909241021130.69406-100000@zeus.dnt.md>
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On Fri, 24 Sep 1999 10:36:13 +0300, slava wrote:
> Users are added only by using 'pw' and 'chpass'. I made a test
> starting five 'pw useradd' processes at once and after I repeated it
> a couple of times I was able to reproduce the problem again. it looks
> like a lock on the master.passwd file is not working properly.
I haven't tested my hypothesis, but I believe that pw's fileupdate()
function erroneously reports success on file lock failure.
What happens when you try with the patch below? Please be careful, I
spent all of 2 minutes on this. :-)
Ciao,
Sheldon.
Index: fileupd.c
===================================================================
RCS file: /home/ncvs/src/usr.sbin/pw/fileupd.c,v
retrieving revision 1.8
diff -u -d -r1.8 fileupd.c
--- fileupd.c 1999/08/28 01:19:17 1.8
+++ fileupd.c 1999/09/27 09:52:29
@@ -188,6 +188,8 @@
fclose(outfp);
}
remove(file);
+ } else {
+ rc = errno;
}
fclose(infp);
}
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