Revision: 6466
http://ipcop.svn.sourceforge.net/ipcop/?rev=6466&view=rev
Author: owes
Date: 2012-03-10 22:12:22 +0000 (Sat, 10 Mar 2012)
Log Message:
-----------
lockfile during blacklist download and update to avoid reentrancy problems.
Inform user about update in progress with box in urlfilter.cgi.
Modified Paths:
--------------
ipcop/trunk/html/cgi-bin/urlfilter.cgi
ipcop/trunk/src/scripts/blacklistupdate.pl
Modified: ipcop/trunk/html/cgi-bin/urlfilter.cgi
===================================================================
--- ipcop/trunk/html/cgi-bin/urlfilter.cgi 2012-03-10 10:17:18 UTC (rev
6465)
+++ ipcop/trunk/html/cgi-bin/urlfilter.cgi 2012-03-10 22:12:22 UTC (rev
6466)
@@ -1015,8 +1015,9 @@
$errormessage .= "$Lang::tr{'custom blacklist url required'}<br />";
}
else {
- $updatemessage = $Lang::tr{'blacklist upload information'};
+ # lockfile will trigger display of box with update message
`/usr/local/bin/blacklistupdate.pl --force < /dev/null > /dev/null &`;
+ sleep(1);
}
}
@@ -1168,6 +1169,17 @@
print "</form>\n";
}
+if (-e "${dbdir}/.lock") {
+ # Blacklist update in progress. Show box and exit.
+ &Header::openbox('100%', 'left', "$Lang::tr{'information messages'}:",
'warning');
+ print "<class name='base'>$Lang::tr{'blacklist upload
information'} </class>\n";
+ &Header::closebox();
+ &Header::closebigbox();
+ &Header::closepage();
+
+ exit 0;
+}
+
if ($updatemessage) {
&Header::openbox('100%', 'left', "$Lang::tr{'urlfilter update results'}:",
'warning');
print "<class name='base'>$updatemessage\n";
Modified: ipcop/trunk/src/scripts/blacklistupdate.pl
===================================================================
--- ipcop/trunk/src/scripts/blacklistupdate.pl 2012-03-10 10:17:18 UTC (rev
6465)
+++ ipcop/trunk/src/scripts/blacklistupdate.pl 2012-03-10 22:12:22 UTC (rev
6466)
@@ -24,6 +24,7 @@
use warnings;
require '/usr/lib/ipcop/general-functions.pl';
+use Fcntl qw(:flock); # import LOCK_* constants
# Debug level:
# 0 - no print
@@ -132,8 +133,17 @@
my $source_url = '';
my $source_name = '';
my @source_urllist = ();
+ my $seconds = time();
- # If enough space available, download and prepare in /tmp (uses tmpfs) to
increase speed
+ unless (open(LOCKFILE, ">${dbdir}/.lock")) {
+ die "Could not open lockfile";
+ }
+ unless (flock(LOCKFILE, LOCK_EX | LOCK_NB)) {
+ die "Could not lock lockfile";
+ }
+
+ # If enough space available, download and prepare in /tmp (uses tmpfs)
+ # to decrease time needed for update
$target = '/tmp/blacklistu' if (&General::getavailabledisk('/tmp') > 128);
my $tempdb = "$target/blacklists";
@@ -240,11 +250,9 @@
system("/usr/local/bin/restartsquid");
print "Update from $blacklist_src completed\n" if ($debugLevel
> 0);
-
- system("logger -t installpackage[urlfilter] \"URL filter
blacklist - Update from $blacklist_src completed\"");
-
+ my $elapsed = time() - $seconds;
+ &General::log("installpackage[urlfilter]", "URL filter
blacklist - Update from $blacklist_src completed in $elapsed seconds.");
$exitcode = 0;
-
}
else {
print "ERROR: Not a valid URL filter blacklist\n" if
($debugLevel > 0);
@@ -266,6 +274,9 @@
if ((-d $target) && ($make_clean)) {
system("rm -rf $target");
}
+
+ close(LOCKFILE);
+ unlink("${dbdir}/.lock");
}
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