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package network::monitor;
use common;
use dbus_object;
our @ISA = qw(dbus_object);
my $monitor_service = "com.mandriva.monitoring";
my $monitor_path = "/com/mandriva/monitoring/wireless";
my $monitor_interface = "com.mandriva.monitoring.wireless";
sub new {
my ($type, $bus) = @_;
dbus_object::new($type, $bus, $monitor_service, $monitor_path, $monitor_interface);
}
sub list_wireless {
my ($monitor, $o_intf) = @_;
my ($results, $list, %networks);
my $has_roaming;
#- first try to use mandi
eval {
$results = $monitor->call_method('ScanResults');
$list = $monitor->call_method('ListNetworks');
$has_roaming = 1;
} if $monitor;
#- try wpa_cli if we're root
if (!$has_roaming && !$>) {
$results = `/usr/sbin/wpa_cli scan_results 2>/dev/null`;
$list = `/usr/sbin/wpa_cli list_networks 2>/dev/null`;
$_ =~ s/^Selected interface (.*)\n//g foreach $results, $list;
}
if ($results && $list) {
#- bssid / frequency / signal level / flags / ssid
while ($results =~ /^((?:[0-9a-f]{2}:){5}[0-9a-f]{2})\t(\d+)\t(\d+)\t(.*?)\t(.*)$/mg) {
my ($ap, $frequency, $signal_strength, $flags, $essid) = ($1, $2, $3, $4, $5);
$networks{$ap}{ap} ||= $ap;
#- wpa_supplicant may list the network two times, use ||=
$networks{$ap}{frequency} ||= $frequency;
$networks{$ap}{signal_strength} ||= $signal_strength;
my $adhoc = $flags =~ s/\[ibss\]//i;
$networks{$ap}{mode} ||= $adhoc ? "Ad-Hoc" : "Managed";
$networks{$ap}{flags} ||= $flags;
$networks{$ap}{essid} ||= $essid;
}
if (any { $_->{signal_strength} > 100 } values %networks) {
#- signal level is really too high in wpa_supplicant
#- this should be standardized at some point
$_->{signal_strength} = int($_->{signal_strength}/3.5)
foreach values %networks;
}
#- network id / ssid / bssid / flags
while ($list =~ /^(\d+)\t(.*?)\t(.*?)\t(.*)$/mg) {
foreach my $net (uniq(if_($networks{$3}, $networks{$3}), grep { $_->{essid} eq $2 } values(%networks))) {
$net->{ap} = $3 if $3 ne 'any';
$net->{id} = $1;
$net->{essid} ||= $2;
$net->{current} = to_bool($4 eq '[CURRENT]');
}
}
} else {
#- else use iwlist
require network::connection::wireless;
my ($current_essid, $current_ap) = network::connection::wireless::get_access_point($o_intf);
if ($o_intf && !$> && !`/sbin/ip link show $o_intf up`) {
system("/sbin/ip link set $o_intf up");
}
my @list = `/sbin/iwlist $o_intf scanning 2>/dev/null`;
my $net = {};
my $quality_match = qr/Quality[:=](\S*)/;
my $eval_quality = sub {
my ($qual) = @_;
$qual =~ s!/0+$!/255!; #- prism54 reports quality with division by zero
$qual =~ m!/! ? eval($qual)*100 : $qual;
};
my ($has_key, $has_wpa, $has_eap);
foreach (@list) {
if ((/^\s*$/ || /Cell/) && exists $net->{ap}) {
$net->{current} = to_bool($net->{ap} ? $net->{ap} eq $current_ap : $net->{essid} && $net->{essid} eq $current_essid);
$net->{flags} = $has_wpa ? '[WPA]' : $has_key ? '[WEP]' : '';
$net->{flags} .= '[EAP]' if $has_eap;
$networks{$net->{ap}} = $net;
$net = {};
$has_key = $has_wpa = $has_eap = undef;
}
/Address: (.*)/ and $net->{ap} = lc($1);
/ESSID:"(.*?)"/ and $net->{essid} = $1;
/Mode:(\S*)/ and $net->{mode} = $1;
$net->{mode} = 'Managed' if $net->{mode} eq 'Master';
$_ =~ $quality_match and $net->{signal_strength} = $eval_quality->($1);
m|Signal level[:=]([0-9]+/[0-9]+)| and $net->{signal_level} = $eval_quality->($1);
/key:(\S*)\s/ && $1 eq 'on' and $has_key = 1;
/Extra:wpa_ie=|IE:.*WPA/ and $has_wpa = 1;
/Authentication Suites \(\d+\) :.*\b802\.1x\b/ and $has_eap = 1;
}
my $incorrect_quality =
(every { $_->{signal_strength} == 100 } values %networks) &&
(any { $_->{signal_strength} != $_->{signal_level} } values %networks);
foreach (values %networks) {
my $level = delete $_->{signal_level};
$_->{signal_strength} ||= $level;
$_->{signal_strength} = $level if $incorrect_quality;
}
if ($current_ap && exists $networks{$current_ap}) {
foreach (`/sbin/iwconfig $o_intf 2>/dev/null`) {
my $quality = $_ =~ $quality_match && $eval_quality->($1);
$networks{$current_ap}{signal_strength} = $quality if $quality;
}
}
}
foreach (values %networks) {
$_->{essid} eq '<hidden>' and undef $_->{essid};
$_->{name} = $_->{essid} || "[$_->{ap}]";
}
(\%networks, $has_roaming);
}
sub select_network {
my ($o, $id) = @_;
my $method = 'SelectNetwork';
if ($o) {
$o->call_method($method, Net::DBus::dbus_uint32($id));
} else {
require run_program;
run_program::run("dbus-send", "--system", "--type=method_call",
"--dest=" . $monitor_service,
$monitor_path,
$monitor_interface . '.' . $method,
'uint32:' . $id);
}
}
1;
|
