#!/usr/local/bin/perl
# chown.cgi
# Change permissions on cache/log/pid files after a user change

require './squid-lib.pl';
$access{'admopts'} || &error($text{'eadm_ecannot'});
$| = 1;
&ui_print_header(undef, $text{'chown_header'}, "");
$conf = &get_config();

# Stop squid
if ($pidstruct = &find_config("pid_filename", $conf)) {
	$pidfile = $pidstruct->{'values'}->[0];
	}
else { $pidfile = $config{'pid_file'}; }
if (open(PID, $pidfile)) {
	<PID> =~ /(\d+)/; $pid = $1;
	close(PID);
	}
if ($pid && kill(0, $pid)) {
	print "<p>$text{'chown_stop'}<br>\n";
	system("$config{'squid_path'} -f $config{'squid_conf'} ".
	       "-k shutdown >/dev/null 2>&1");
	for($i=0; $i<40; $i++) {
		if (!kill(0, $pid)) { last; }
		sleep(1);
		}
	print "$text{'chown_done'}<br>\n";
	$stopped++;
	}

# Change ownership
print "<p>$text{'chown_chown'}<br>\n";
($user, $group) = &get_squid_user($conf);
&chown_files($user, $group, $conf);
print "$text{'chown_done'}<br>\n";

# Re-start Squid
if ($stopped) {
	print "<p>$text{'chown_restart'}<br>\n";
	$temp = &tempname();
	system("$config{'squid_path'} -sY -f $config{'squid_conf'} >$temp 2>&1 </dev/null &");
	sleep(3);
	$errs = `cat $temp`;
	unlink($temp);
	if ($errs) {
		system("$config{'squid_path'} -k shutdown -f $config{'squid_conf'} >/dev/null 2>&1");
		print "$text{'chown_failrestart'}<br>\n";
		print "<pre>$errs</pre>\n";
		}
	print "$text{'chown_done'}<br>\n";
	}

&ui_print_footer("", $text{'chown_return'});

