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## $Id: checkgroups.pl 7743 2008-04-06 10:04:43Z iulius $
##
## checkgroups control message handler.
##
## Copyright 2001 by Marco d'Itri <md@linux.it>
##
## Redistribution and use in source and binary forms, with or without
## modification, are permitted provided that the following conditions
## are met:
##
## 1. Redistributions of source code must retain the above copyright
## notice, this list of conditions and the following disclaimer.
##
## 2. Redistributions in binary form must reproduce the above copyright
## notice, this list of conditions and the following disclaimer in the
## documentation and/or other materials provided with the distribution.
use strict;
sub control_checkgroups {
my ($par, $sender, $replyto, $site, $action, $log, $approved,
$headers, $body) = @_;
my ($newsgrouppats) = @$par;
if ($action eq 'mail') {
my $mail = sendmail("checkgroups by $sender");
print $mail "$sender posted the following checkgroups message:\n";
print $mail map { s/^~/~~/; "$_\n" } @$headers;
print $mail <<END;
If you want to process it, feed the body
of the message to docheckgroups while logged
in as user ID "$inn::newsuser":
$inn::pathbin/docheckgroups '$newsgrouppats' <<zRbJ
END
print $mail map { s/^~/~~/; "$_\n" } @$body;
print $mail "zRbJ\n";
close $mail or logdie("Cannot send mail: $!");
} elsif ($action eq 'log') {
if ($log) {
logger($log, "checkgroups by $sender", $headers, $body);
} else {
logmsg("checkgroups by $sender");
}
} elsif ($action eq 'doit') {
if (defined &local_docheckgroups) {
local_docheckgroups($body, $newsgrouppats, $log, $sender);
} else {
docheckgroups($body, $newsgrouppats, $log, $sender);
}
}
}
sub docheckgroups {
my ($body, $newsgrouppats, $log, $sender) = @_;
my $tempfile = "$inn::tmpdir/checkgroups.$$";
open(TEMPART, ">$tempfile.art")
or logdie("Cannot open $tempfile.art: $!");
print TEMPART map { s/^~/~~/; "$_\n" } @$body;
close TEMPART;
open(OLDIN, '<&STDIN') or die $!;
open(OLDOUT, '>&STDOUT') or die $!;
open(STDIN, "$tempfile.art") or die $!;
open(STDOUT, ">$tempfile") or die $!;
my $st = system("$inn::pathbin/docheckgroups", $newsgrouppats);
logdie('Cannot run docheckgroups: ' . $!) if $st == -1;
logdie('docheckgroups returned status ' . ($st & 255)) if $st > 0;
close(STDIN);
close(STDOUT);
open(STDIN, '<&OLDIN') or die $!;
open(STDOUT, '>&OLDOUT') or die $!;
open(TEMPFILE, $tempfile) or logdie("Cannot open $tempfile: $!");
my @output = <TEMPFILE>;
chop @output;
# There is no need to send an empty mail.
if ($#output > 0) {
logger($log || 'mail', "checkgroups by $sender", \@output);
} else {
logmsg("checkgroups by $sender processed (no change)");
}
close TEMPFILE;
unlink($tempfile, "$tempfile.art");
}
1;
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