Hello,
A colleague is experiencing some problems using user_manage v1.53 by Lincoln
Stein with
Apache Stronghold 3 on AIX 4.3.3. Seems as though the entire password file
is getting
corrupted when there are a lot of people changing passwords. The file seems
to be blanked
out and/or with only a few entries. We are using flat files and not a
database.
We wrote to Lincoln and he provided us with a script which pointed us to a
problem with our
version of flock, so we rebuilt Perl with the -Ud_flock option to configure
which,
according to the doco, causes perl to not use flock and instead use fcntl.
However the problem persists. We re-ran the test script and again "obtained
lock and
shouldn't have".
Can anyone point us in the right direction?
Please let me know if I need to provide more details.
Thanks!
--Rich
The test script by L. Stein is quoted below:
#!/usr/bin/perl
use Fcntl qw(:flock);
open FOO,(">./foo.lock") or die "Can't open for writing";
flock(FOO,LOCK_EX) or die "Can't flock for writing";
print FOO "locked\n";
open BAR,"./foo.lock" or die "Can't open for reading";
eval {
local $SIG{ALRM} = sub { die "timed out\n" };
alarm(5);
flock(BAR,LOCK_SH) or die "Can't flock for reading";
};
alarm(0);
if ($@ =~ /timed out/) {
print "timed out as expected\n";
} else {
print "obtained lock and shouldn't have\n";
}
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