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package network::tools; # $Id$
use strict;
use common;
use run_program;
use c;
sub write_secret_backend {
my ($a, $b) = @_;
foreach my $i ("$::prefix/etc/ppp/pap-secrets", "$::prefix/etc/ppp/chap-secrets") {
substInFile { s/^'$a'.*\n//; $_ .= "\n'$a' * '$b' * \n" if eof } $i;
#- restore access right to secrets file, just in case.
chmod 0600, $i;
}
}
sub unquotify {
my ($word) = @_;
$$word =~ s/^(['"]?)(.*)\1$/$2/;
}
sub read_secret_backend() {
my $conf = [];
foreach my $i ("pap-secrets", "chap-secrets") {
foreach (cat_("$::prefix/etc/ppp/$i")) {
my ($login, $server, $passwd) = split(' ');
if ($login && $passwd) {
unquotify \$passwd;
unquotify \$login;
unquotify \$server;
push @$conf, {login => $login,
passwd => $passwd,
server => $server };
}
}
}
$conf;
}
sub passwd_by_login {
my ($login) = @_;
unquotify \$login;
my $secret = read_secret_backend();
foreach (@$secret) {
return $_->{passwd} if $_->{login} eq $login;
}
}
sub connect_backend {
my ($netc) = @_;
run_program::raw({ detach => 1, root => $::prefix }, "/sbin/ifup", $netc->{NET_INTERFACE});
}
sub disconnect_backend {
my ($netc) = @_;
run_program::raw({ detach => 1, root => $::prefix }, "/sbin/ifdown", $netc->{NET_INTERFACE});
}
sub bg_command_as_root {
my ($name, @args) = @_;
#- FIXME: duplicate code from common::require_root_capability
if (check_for_xserver() && fuzzy_pidofs(qr/\bkwin\b/) > 0) {
run_program::raw({ detach => 1 }, "kdesu", "--ignorebutton", "-c", "$name @args");
} else {
run_program::raw({ detach => 1 }, [ 'consolehelper', $name ], @args);
}
}
sub user_run_interface_command {
my ($command, $intf) = @_;
if (system("/usr/sbin/usernetctl $intf report") == 0) {
run_program::raw({ detach => 1 }, $command, $intf);
} else {
bg_command_as_root($command, $intf);
}
}
sub start_interface {
my ($intf) = @_;
user_run_interface_command('/sbin/ifup', $intf);
}
sub stop_interface {
my ($intf) = @_;
user_run_interface_command('/sbin/ifdown', $intf);
}
sub connected() { gethostbyname("mandrakesoft.com") ? 1 : 0 }
# request a ref on a bg_connect and a ref on a scalar
sub connected_bg__raw {
my ($kid_pipe, $status) = @_;
local $| = 1;
if (ref($kid_pipe) && ref($$kid_pipe)) {
my $fd = $$kid_pipe->{fd};
fcntl($fd, c::F_SETFL(), c::O_NONBLOCK()) or die "can not fcntl F_SETFL: $!";
my $a = <$fd>;
$$status = $a if defined $a;
} else { $$kid_pipe = check_link_beat() }
}
my $kid_pipe;
sub connected_bg {
my ($status) = @_;
connected_bg__raw(\$kid_pipe, $status);
}
# test if connected;
# cmd = 0 : ask current status
# return : 0 : not connected; 1 : connected; -1 : no test ever done; -2 : test in progress
# cmd = 1 : start new connection test
# return : -2
# cmd = 2 : cancel current test
# return : nothing
# cmd = 3 : return current status even if a test is in progress
my $kid_pipe_connect;
my $current_connection_status;
sub test_connected {
local $| = 1;
my ($cmd) = @_;
$current_connection_status = -1 if !defined $current_connection_status;
if ($cmd == 0) {
connected_bg__raw(\$kid_pipe_connect, \$current_connection_status);
} elsif ($cmd == 1) {
if ($current_connection_status != -2) {
$current_connection_status = -2;
$kid_pipe_connect = check_link_beat();
}
} elsif ($cmd == 2) {
if (defined($kid_pipe_connect)) {
kill -9, $kid_pipe_connect->{pid};
undef $kid_pipe_connect;
}
}
return $current_connection_status;
}
sub check_link_beat() {
bg_command->new(sub {
require Net::Ping;
my $p;
if ($>) {
$p = Net::Ping->new("tcp");
# Try connecting to the www port instead of the echo port
$p->{port_num} = getservbyname("http", "tcp");
} else {
$p = Net::Ping->new("icmp");
}
print $p->ping("www.mandriva.com") ? 1 : 0;
});
}
sub is_dynamic_ip {
my ($net) = @_;
any { $_->{BOOTPROTO} !~ /^(none|static|)$/ } values %{$net->{ifcfg}};
}
sub is_dynamic_host {
my ($net) = @_;
any { defined $_->{DHCP_HOSTNAME} } values %{$net->{ifcfg}};
}
#- returns interface whose IP address matchs given IP address, according to its network mask
sub find_matching_interface {
my ($net, $address) = @_;
my @ip = split '\.', $address;
find {
my @intf_ip = split '\.', $net->{ifcfg}{$_}{IPADDR} or return;
my @mask = split '\.', $net->{ifcfg}{$_}{NETMASK} or return;
every { $_ } mapn { ($_[0] & $_[2]) == ($_[1] & $_[2]) } \@intf_ip, \@ip, \@mask;
} sort keys %{$net->{ifcfg}};
}
#- returns gateway interface if found
sub get_default_gateway_interface {
my ($net) = @_;
my @intfs = sort keys %{$net->{ifcfg}};
`$::prefix/sbin/ip route show` =~ /^default.*\s+dev\s+(\S+)/m && $1 ||
$net->{network}{GATEWAYDEV} ||
$net->{network}{GATEWAY} && find_matching_interface($net, $net->{network}{GATEWAY}) ||
(find { get_interface_type($net->{ifcfg}{$_}) eq 'adsl' } @intfs) ||
(find { get_interface_type($net->{ifcfg}{$_}) eq 'isdn' && text2bool($net->{ifcfg}{$_}{DIAL_ON_IFUP}) } @intfs) ||
(find { get_interface_type($net->{ifcfg}{$_}) eq 'modem' } @intfs) ||
(find { get_interface_type($net->{ifcfg}{$_}) eq 'wifi' && $net->{ifcfg}{$_}{BOOTPROTO} eq 'dhcp' } @intfs) ||
(find { get_interface_type($net->{ifcfg}{$_}) eq 'ethernet' && $net->{ifcfg}{$_}{BOOTPROTO} eq 'dhcp' } @intfs);
}
sub get_interface_status {
my ($gw_intf) = @_;
my @routes = `$::prefix/sbin/ip route show`;
my $is_up = any { /\s+dev\s+$gw_intf(?:\s+|$)/ } @routes;
my ($gw_address) = join('', @routes) =~ /^default\s+via\s+(\S+).*\s+dev\s+$gw_intf(?:\s+|$)/m;
return $is_up, $gw_address;
}
#- returns (gateway_interface, interface is up, gateway address, dns server address)
sub get_internet_connection {
my ($net, $o_gw_intf) = @_;
my $gw_intf = $o_gw_intf || get_default_gateway_interface($net) or return;
return $gw_intf, get_interface_status($gw_intf), $net->{resolv}{dnsServer};
}
sub get_interface_type {
my ($interface) = @_;
require detect_devices;
member($interface->{TYPE}, "xDSL", "ADSL") && "adsl" ||
$interface->{DEVICE} =~ /^ippp/ && "isdn" ||
$interface->{DEVICE} =~ /^ppp/ && "modem" ||
(detect_devices::is_wireless_interface($interface->{DEVICE}) || exists $interface->{WIRELESS_MODE}) && "wifi" ||
detect_devices::is_lan_interface($interface->{DEVICE}) && "ethernet" ||
"unknown";
}
sub get_default_metric {
my ($type) = @_;
my @known_types = ("ethernet_gigabit", "ethernet", "adsl", "wifi", "isdn", "modem", "unknown");
my $idx;
eval { $idx = find_index { $type eq $_ } @known_types };
$idx = @known_types if $@;
$idx * 10;
}
1;
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