| Current File : //usr/share/webmin/bandwidth/index.cgi |
#!/usr/bin/perl
# Show a form for selecting a report
require './bandwidth-lib.pl';
&ReadParse();
use Time::Local;
use Socket;
# Validate the bandwidth file
if (-d $bandwidth_log) {
&ui_print_header(undef, $text{'index_title'}, "", "intro",
1, 1);
&ui_print_endpage(&text('index_elog', "<tt>$bandwidth_log</tt>",
"../config.cgi?$module_name"));
}
# Validate the bandwidth directory
if ($config{'bandwidth_dir'} && !-d $hours_dir) {
&ui_print_header(undef, $text{'index_title'}, "", "intro",
1, 1);
&ui_print_endpage(&text('index_edir', "<tt>$hours_dir</tt>",
"../config.cgi?$module_name"));
}
# Make sure the net and cron modules work
foreach $m (split(/\s+/, $module_info{'depends'})) {
next if ($m =~ /^[0-9\.]+$/);
if (!&foreign_installed($m)) {
&ui_print_header(undef, $text{'index_title'}, "", "intro",
1, 1);
%minfo = &get_module_info($m);
&ui_print_endpage(&text('index_emod', $minfo{'desc'}));
}
}
# Make sure one of the syslog modules works
if (!$syslog_module && !$syslog_journald) {
&ui_print_header(undef, $text{'index_title'}, "", "intro",
1, 1);
&ui_print_endpage(&text('index_esyslog'));
}
# Check the firewall system
if (!$config{'firewall_system'}) {
# Try automatic detection
$sys = &detect_firewall_system();
if (!$sys) {
&ui_print_header(undef, $text{'index_title'}, "", "intro",
1, 1);
&ui_print_endpage($text{'index_efiresys'});
}
$config{'firewall_system'} = $sys;
&save_module_config();
}
else {
# Is the selected one installed?
if (!&check_firewall_system($config{'firewall_system'})) {
&ui_print_header(undef, $text{'index_title'}, "", "intro",
1, 1);
&ui_print_endpage(&text('index_efiresys2',
$text{'system_'.$config{'firewall_system'}},
"../config.cgi?$module_name"));
}
}
&ui_print_header(undef, $text{'index_title'}, "", "intro",
1, 1, 0, undef, undef, undef,
&text('index_firesys',
$text{'system_'.$config{'firewall_system'}},
$text{'syslog_'.($syslog_module || $syslog_journald)}));
# Make sure the needed firewall rules and syslog entry are in place
$missingrule = !&check_rules();
if ($syslog_journald) {
# Systemd journal
$sysconf = 1; # nothing to do
}
elsif ($syslog_module eq "syslog") {
# Normal syslog
$conf = &syslog::get_config();
$sysconf = &find_sysconf($conf);
}
elsif ($syslog_module eq "syslog-ng") {
# Syslog-ng
$conf = &syslog_ng::get_config();
($ngdest, $ngfilter, $nglog) = &find_sysconf_ng($conf);
$sysconf = $ngdest && $ngfilter && $nglog;
}
if (($missingrule || !$sysconf) && $access{'setup'}) {
# Something is missing .. offer to set up
if ($missingrule && !$sysconf) {
print &ui_alert_box($text{'index_missing3'}, 'success',
undef, undef, '');
}
elsif ($missingrule) {
print &ui_alert_box($text{'index_missing2'}, 'success',
undef, undef, '');
}
elsif (!$sysconf) {
print &ui_alert_box($text{'index_missing1'}, 'success',
undef, undef, '');
}
print &ui_alert_box($text{'index_setupdesc'}, 'info', undef, undef, '');
print &ui_alert_box($text{'index_setupdesc2'}, 'warn');
print "<p>\n";
if ($iptableserr) {
print $iptableserr,"<p>\n";
}
print &ui_form_start("setup.cgi");
print "$text{'index_iface'}\n";
foreach $i (&net::active_interfaces(), &net::boot_interfaces()) {
push(@ifaces, $i->{'fullname'}) if ($i->{'virtual'} eq '' &&
$i->{'fullname'});
}
print &ui_select("iface", $config{'iface'} || $ifaces[0],
[ (map { [ $_, $_ ] } &unique(@ifaces)),
[ '', $text{'index_other'} ] ],
1, 0, $config{'iface'} ? 1 : 0)." ".
&ui_textbox("other", undef, 10);
print &ui_submit($text{'index_setup'});
print &ui_form_end();
print "<p>\n";
}
elsif ($missingrule || !$sysconf) {
print "$text{'index_setupdesc'}\n";
print "$text{'index_setupcannot'}<p>\n";
}
# See if any hours have been summarized yet
@hours = &list_hours();
if (@hours) {
# Show reporting form
print &ui_form_start("index.cgi");
print &ui_table_start(undef, undef, 2);
print &ui_table_row($text{'index_by'},
&ui_select("by", $in{'by'},
[ [ 'hour', $text{'index_hour'} ],
[ 'day', $text{'index_day'} ],
[ 'host', $text{'index_host'} ],
[ 'proto', $text{'index_proto'} ],
[ 'iport', $text{'index_iport'} ],
[ 'oport', $text{'index_oport'} ],
[ 'port', $text{'index_port'} ] ]));
print &ui_table_row($text{'index_for'},
&ui_select("for", $in{'for'},
[ [ '', $text{'index_all'} ],
[ 'host', $text{'index_forhost'} ],
[ 'proto', $text{'index_forproto'} ],
[ 'iport', $text{'index_foriport'} ],
[ 'oport', $text{'index_foroport'} ] ])." ".
&ui_textbox("what", $in{'for'} ? $in{'what'} : "", 20));
print &ui_table_row($text{'index_from'},
&date_input($in{'from_day'}, $in{'from_month'},
$in{'from_year'}, "from").
&hourmin_input($in{'from_hour'}, "00", "from"));
print &ui_table_row($text{'index_to'},
&date_input($in{'to_day'}, $in{'to_month'},
$in{'to_year'}, "to").
&hourmin_input($in{'to_hour'}, "00", "to"));
if (!%in) {
# Enable by default
$in{'low'} = 1;
}
print &ui_table_row("",
&ui_checkbox("low", 1, $text{'index_low'}, $in{'low'}).
&ui_checkbox("resolv", 1, $text{'index_resolv'}, $in{'resolv'}));
print &ui_table_end();
print &ui_form_end([ [ undef, $text{'index_search'} ] ]);
# Find and show any results
if ($in{'by'}) {
print "<p>\n";
# Work out the time range, if any
&error_setup($text{'index_err'});
$fhour = &parse_hour("from");
$thour = &parse_hour("to");
# First find traffic that matches the 'for' part
if ($in{'for'} eq 'host') {
if ($in{'what'} =~ /^(\d+)\.(\d+)\.(\d+)\.0$/) {
%forhost = map { ("$1.$2.$3.$_", 1) } (0 .. 255);
}
else {
$forhost = &to_ipaddress($in{'what'});
$forhost || &error($text{'index_ehost'});
$forhost{$forhost}++;
}
}
elsif ($in{'for'} eq 'proto') {
$forproto = uc($in{'what'});
$forproto || &error($text{'index_eproto'});
}
elsif ($in{'for'} eq 'iport' || $in{'for'} eq 'oport') {
if ($in{'what'} =~ /^\d+$/) {
$forportmin = $forportmax = $in{'what'};
}
elsif ($in{'what'} =~ /^(\d+)\-(\d+)$/) {
$forportmin = $1;
$forportmax = $2;
}
else {
$forportmin = getservbyname($in{'what'}, 'tcp');
$forportmin ||= getservbyname($in{'what'}, 'udp');
$forportmin || &error($text{'index_eport'});
$forportmax = $forportmin;
}
}
foreach $h (@hours) {
next if ($fhour && $h < $fhour);
next if ($thour && $h > $thour);
$hour = &get_hour($h);
# Work out start time for this day
@tm = localtime($h*60*60);
$thisday = timelocal(0, 0, 0, $tm[3], $tm[4], $tm[5])/(60*60);
# Scan all traffic for the hour
foreach $k (keys %$hour) {
# Skip this count if not relevant
($host, $proto, $iport, $oport) = split(/_/, $k);
next if (!$proto);
next if (%forhost && !$forhost{$host});
next if ($forproto && $proto ne $forproto);
next if ($in{'for'} eq 'iport' &&
($iport < $forportmin ||
$iport >$forportmax));
next if ($in{'for'} eq 'oport' &&
($oport < $forportmin ||
$oport >$forportmax));
# Skip this count if classifying by port and there
# isn't one
next if ($in{'by'} eq 'iport' && !$iport ||
$in{'by'} eq 'oport' && !$oport ||
$in{'by'} eq 'port' && !$iport && !$oport);
# Work out a nice service name
local ($nsname, $nsoname, $nsiname);
local $relport;
if ($in{'by'} eq 'iport') {
$nsname = $nsiname =
getservbyport($iport, lc($proto));
}
elsif ($in{'by'} eq 'oport') {
$nsname = $nsoname =
getservbyport($oport, lc($proto));
}
elsif ($in{'by'} eq 'port') {
$nsoname = getservbyport($oport,
lc($proto));
$nsiname = getservbyport($iport,
lc($proto));
$nsname = $nsoname || $nsiname;
}
# Resolv the hostname
local $resolved;
if ($in{'resolv'} && $in{'by'} eq 'host') {
$resolved = &to_hostname($host);
}
# Skip traffic to high ports, if requested
next if ($in{'low'} && $in{'by'} eq 'iport' &&
$iport >= 1024 && !$nsname);
next if ($in{'low'} && $in{'by'} eq 'oport' &&
$oport >= 1024 && !$nsname);
# Update the relevant category
($in, $out) = split(/ /, $hour->{$k});
if ($in{'by'} eq 'hour') {
$count{$h} += $in+$out;
$icount{$h} += $in;
$ocount{$h} += $out;
}
elsif ($in{'by'} eq 'day') {
$count{$thisday} += $in+$out;
$icount{$thisday} += $in;
$ocount{$thisday} += $out;
}
elsif ($in{'by'} eq 'host') {
$count{$resolved || $host} += $in+$out;
$icount{$resolved || $host} += $in;
$ocount{$resolved || $host} += $out;
}
elsif ($in{'by'} eq 'proto') {
$count{$proto} += $in+$out;
$icount{$proto} += $in;
$ocount{$proto} += $out;
}
elsif ($in{'by'} eq 'iport') {
$count{$nsname || "$proto $iport"} +=
$in+$out;
$icount{$nsname || "$proto $iport"} +=
$in;
$ocount{$nsname || "$proto $iport"} +=
$out;
}
elsif ($in{'by'} eq 'oport') {
$count{$nsname || "$proto $oport"} +=
$in+$out;
$icount{$nsname || "$proto $oport"} +=
$in;
$ocount{$nsname || "$proto $oport"} +=
$out;
}
elsif ($in{'by'} eq 'port') {
if (!$in{'low'} || $oport < 1024 ||
$nsoname) {
$count{$nsoname ||
"$proto $oport"} += $in;
$icount{$nsoname ||
"$proto $oport"} += $in;
}
if (!$in{'low'} || $iport < 1024 ||
$nsiname) {
$count{$nsiname ||
"$proto $iport"} += $out;
$ocount{$nsiname ||
"$proto $iport"} += $out;
}
}
}
}
# Find max and size
$max = 0;
foreach $k (keys %count) {
if ($count{$k} > $max) {
$max = $count{$k};
}
}
$width = 500;
# Fill in missing hours or days
if ($in{'by'} eq 'hour' || $in{'by'} eq 'day') {
@order = sort { $b <=> $a } keys %count;
$inc = $in{'by'} eq 'hour' ? 1 : 24;
$plus = $in{'by'} eq 'hour' ? 0 : 1;
for($i=$order[0]; $i>=$order[$#order]; $i-=$inc) {
$count{$i} = 0 if (!$count{$i} &&
!$count{$i+$plus} && !$count{$i-$plus});
}
}
# Show graph
if ($in{'by'} eq 'hour' || $in{'by'} eq 'day') {
@order = sort { $b <=> $a } keys %count;
}
else {
@order = sort { $count{$b} <=> $count{$a} } keys %count;
}
if ($in{'by'} ne 'hour' && $in{'by'} ne 'day') {
@order = grep { $count{$_} } @order;
}
if (@order) {
print &ui_columns_start([ $text{'index_h'.$in{'by'}},
$text{'index_usage'},
$text{'index_in'},
$text{'index_out'},
$text{'index_total'} ], 100, 0);
$itotal = $ototal = $total = 0;
foreach $k (@order) {
my @cols;
if ($in{'by'} eq 'hour') {
push(@cols, &make_date($k*60*60));
}
elsif ($in{'by'} eq 'day') {
$date = &make_date_day($k*60*60);
push(@cols, $date);
}
else {
push(@cols, $k);
}
my $bar = sprintf
"<span style='display: flex;'>".
"<img src=images/blue.gif width=%d% ".
"height=10>",
$max ? int($width * $icount{$k}/$max)+1 : 1;
$bar .= sprintf
"<img src=images/red.gif width=%d% ".
"height=10></span>",
$max ? int($width * $ocount{$k}/$max)+1 : 1;
push(@cols, $bar);
push(@cols, &nice_size($icount{$k}),
&nice_size($ocount{$k}),
&nice_size($count{$k}));
$total += $count{$k};
$itotal += $icount{$k};
$ototal += $ocount{$k};
print "</tr>\n";
print &ui_columns_row(\@cols);
}
print &ui_columns_row([ undef, undef,
&nice_size($itotal),
&nice_size($ototal),
&nice_size($total) ]);
print &ui_columns_end();
}
else {
print "<b>$text{'index_nomatch'}</b><p>\n";
}
}
}
elsif (!$missingrule && $sysconf) {
print "<b>$text{'index_none'}</b><p>\n";
}
if (!$missingrule && $sysconf) {
print &ui_hr();
print &ui_buttons_start();
# Show button to rotate now
print &ui_buttons_row("rotate.cgi", $text{'index_rotate'},
$text{'index_rotatedesc'});
if ($access{'setup'}) {
# Show button to turn off reporting
print &ui_buttons_row("turnoff.cgi", $text{'index_turnoff'},
$text{'index_turnoffdesc'});
}
print &ui_buttons_end();
}
&ui_print_footer("/", $text{'index'});
sub parse_hour
{
local ($pfx) = @_;
local ($day, $month, $year) =
($in{$pfx."_day"}, $in{$pfx."_month"}-1, $in{$pfx."_year"}-1900);
local $hour = $in{$pfx."_hour"};
return undef if (!$day);
if ($hour eq "") {
$hour = $pfx eq "from" ? 0 : 23;
}
eval { $tm = timelocal(0, 0, $hour, $day, $month, $year) };
if (!$tm || $@) {
&error($text{'index_e'.$pfx});
}
return int($tm/(60*60));
}
# make_date_day(seconds)
# Converts a Unix date/time in seconds to a human-readable form
sub make_date_day
{
local(@tm);
@tm = localtime($_[0]);
return sprintf "%d/%s/%d",
$tm[3], $text{"smonth_".($tm[4]+1)},
$tm[5]+1900;
}