PAL.C.T MINI SHELL
#!/usr/bin/perl
# init_cache.cgi
# Initialize the cache by running squid with the -z option
use strict;
use warnings;
no warnings 'redefine';
no warnings 'uninitialized';
our (%text, %in, %access, $squid_version, %config);
require './squid-lib.pl';
$access{'rebuild'} || &error($text{'icache_ecannot'});
&ReadParse();
&error_setup($text{'icache_ftic'});
&lock_file($config{'squid_conf'});
my $conf = &get_config();
# Set user to run squid as..
if (!$in{'nouser'}) {
$in{'user'} || &error($text{'icache_ymcautrsa'});
my @uinfo = getpwnam($in{'user'});
scalar(@uinfo) || &error($text{'icache_euser'});
my @ginfo = getgrgid($uinfo[3]);
if ($squid_version < 2) {
my $dir = { 'name' => 'cache_effective_user',
'values' => [ $in{'user'}, $ginfo[0] ] };
&save_directive($conf, "cache_effective_user", [ $dir ]);
}
else {
my $dir = { 'name' => 'cache_effective_user',
'values' => [ $in{'user'} ] };
&save_directive($conf, "cache_effective_user", [ $dir ]);
$dir = { 'name' => 'cache_effective_group',
'values' => [ $ginfo[0] ] };
&save_directive($conf, "cache_effective_group", [ $dir ]);
}
&flush_file_lines();
}
# If cache_dir is set but disabled, enable it by un-commenting (but only the
# valid directives)
my @cachestruct = &find_config("cache_dir", $conf, 2);
if ($squid_version >= 2.3) {
@cachestruct = grep { $_->{'values'}->[1] =~ /^\// &&
-d $_->{'values'}->[1] } @cachestruct;
}
else {
@cachestruct = grep { $_->{'values'}->[0] } @cachestruct;
}
if (@cachestruct) {
&save_directive($conf, "cache_dir", \@cachestruct);
&flush_file_lines();
}
&unlock_file($config{'squid_conf'});
# Stop squid (if running)
&ui_print_unbuffered_header(undef, $text{'icache_title'}, "");
my $pid = &is_squid_running();
my $stopped = 0;
if ($pid && kill(0, $pid)) {
print "<p>$text{'clear_stop'}<br>\n";
&system_logged("$config{'squid_path'} -f $config{'squid_conf'} ".
"-k shutdown >/dev/null 2>&1");
for(my $i=0; $i<40; $i++) {
if (!kill(0, $pid)) { last; }
sleep(1);
}
print "$text{'clear_done'}<br>\n";
$stopped++;
}
# Initialize the cache
my ($user, $group) = &get_squid_user($conf);
if ($user) {
foreach my $c (split(/\s+/, $in{'caches'})) {
&make_dir($c, 0755);
}
}
&chown_files($user, $group, $conf);
my $cmd = "$config{'squid_path'} -f $config{'squid_conf'} -z";
print "<p>", &text('icache_itscwtc',$cmd), "<br>\n";
print "<pre>\n";
&additional_log('exec', undef, $cmd);
my $fh;
open($fh, "$cmd 2>&1 |");
while(<$fh>) {
print &html_escape($_);
}
close($fh);
print "</pre>\n";
# Try to re-start squid (if it was running before)
if ($stopped) {
my $temp = &transname();
&system_logged("$config{'squid_path'} -sY -f $config{'squid_conf'} >$temp 2>&1 </dev/null &");
sleep(3);
my $errs = &read_file_contents($temp);
unlink($temp);
if ($errs) {
&system_logged("$config{'squid_path'} -k shutdown -f $config{'squid_conf'} >/dev/null 2>&1");
print "$text{'clear_failrestart'}<br>\n";
print "<pre>".&html_escape($errs)."</pre>\n";
}
}
&webmin_log("init");
&ui_print_footer("", $text{'icache_return'});
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