| Server IP : 49.231.201.246 / Your IP : 216.73.216.149 Web Server : Apache/2.4.18 (Ubuntu) System : Linux 246 4.4.0-210-generic #242-Ubuntu SMP Fri Apr 16 09:57:56 UTC 2021 x86_64 User : root ( 0) PHP Version : 7.0.33-0ubuntu0.16.04.16 Disable Function : exec,passthru,shell_exec,system,proc_open,popen,pcntl_exec MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : ON Directory : /usr/share/webmin/syslog/ |
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#!/usr/bin/perl
# m4.cgi
# Pass the syslog config file though m4
require './syslog-lib.pl';
use Socket;
# is this loghost? Find out by sending a UDP packet to it
socket(UDP, PF_INET, SOCK_DGRAM, getprotobyname("udp"));
setsockopt(UDP, SOL_SOCKET, SO_BROADCAST, pack("l", 1));
$port = 45678;
while(!bind(UDP, pack_sockaddr_in($port, INADDR_ANY))) {
$port++;
}
send(UDP, "foo", 0, pack_sockaddr_in($port, inet_aton("loghost")));
vec($rin, fileno(UDP), 1) = 1;
if (select($rin, undef, undef, 1)) {
$args .= " -DLOGHOST";
}
close(UDP);
# Run m4
$oldslash = $/;
$/ = undef;
open(CONF, "$config{'m4_path'} $args $config{'syslog_conf'} |");
$conf = <CONF>;
close(CONF);
&open_tempfile(CONF, ">$config{'syslog_conf'}");
&print_tempfile(CONF, $conf);
&close_tempfile(CONF);
$/ = $oldslash;
&redirect("");