package network::tools; # $Id$

use strict;
use common;
use run_program;
use fsedit;
use c;
use vars qw(@ISA @EXPORT @EXPORT_OK);
use MDK::Common::System qw(getVarsFromSh);

@ISA = qw(Exporter);
@EXPORT = qw(connect_backend connected connected_bg disconnect_backend is_dynamic_ip passwd_by_login read_secret_backend test_connected remove_initscript write_secret_backend start_interface stop_interface);

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 ($netc) = @_;
    run_program::rooted($::prefix, "ifup $netc->{NET_INTERFACE} &");
}

sub disconnect_backend {
    my ($netc) = @_;
    run_program::rooted($::prefix, "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("usernetctl $intf report") == 0) {
        run_program::run("$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.mandrakesoft.com") ? 1 : 0;
                    });
}

sub remove_initscript() {
    $::testing and return;
    if (-e "$::prefix/etc/rc.d/init.d/internet") {
        run_program::rooted($::prefix, "/sbin/chkconfig", "--del", "internet");
        rm_rf("$::prefix/etc/rc.d/init.d/internet");
        log::explanations("Removed internet service");
    }
}

sub use_windows {
    my ($file) = @_;
    my $all_hds = fsedit::get_hds(); 
    fs::get_info_from_fstab($all_hds);
    if (my $part = find { $_->{device_windobe} eq 'C' } fs::get::fstab($all_hds)) {
	my $source = find { -d $_ && -r "$_/$file" } map { "$part->{mntpoint}/$_" } qw(windows/system winnt/system windows/system32/drivers winnt/system32/drivers);
	log::explanations("Seek in $source to find firmware");
	$source;
    } else {
	my $failed = N("No partition available");
	log::explanations($failed);
	undef, $failed;
    }
}

sub use_floppy {
    my ($in, $file) = @_;
    my $floppy = detect_devices::floppy();
    $in->ask_okcancel(N("Insert floppy"),
		      N("Insert a FAT formatted floppy in drive %s with %s in root directory and press %s", $floppy, $file, N("Next"))) or return;
    if (eval { fs::mount(devices::make($floppy), '/mnt', 'vfat', 'readonly'); 1 }) {
	log::explanations("Mounting floppy device $floppy in /mnt");
	'/mnt';
    } else {
	my $failed = N("Floppy access error, unable to mount device %s", $floppy);
	log::explanations($failed);
	undef, $failed;
    }
}


sub is_dynamic_ip {
  my ($intf) = @_;
  any { $_->{BOOTPROTO} !~ /^(none|static|)$/ } values %$intf;
}

sub is_dynamic_host {
  my ($intf) = @_;
  any { defined $_->{DHCP_HOSTNAME} } values %$intf;
}

sub convert_wep_key_for_iwconfig {
    #- 5 or 13 characters, consider the key as ASCII and prepend "s:"
    #- else consider the key as hexadecimal, do not strip dashes
    #- always quote the key as string
    my ($key) = @_;
    member(length($key), (5, 13)) ? "s:$key" : $key;
}

sub get_wep_key_from_iwconfig {
    #- strip "s:" if the key is 5 or 13 characters (ASCII)
    #- else the key as hexadecimal, do not modify
    my ($key) = @_;
    $key =~ s/^s:// if member(length($key), (7,15));
    $key;
}

sub convert_key_for_wpa_supplicant {
    my ($key) = @_;
    if ($key =~ /^([[:xdigit:]]{4}[\:-])+[[:xdigit:]]{2,}$/) {
        $key =~ s/[\:-]//g;
        return lc($key);
    } else {
        return qq("$key");
    }
}

#- returns interface whose IP address matchs given IP address, according to its network mask
sub find_matching_interface {
    my ($intf, $address) = @_;
    my @ip = split '\.', $address;
    find {
        my @intf_ip = split '\.', $intf->{$_}{IPADDR} or return;
        my @mask = split '\.', $intf->{$_}{NETMASK} or return;
        every { $_ } mapn { ($_[0] & $_[2]) == ($_[1] & $_[2]) } \@intf_ip, \@ip, \@mask;
    } sort keys %$intf;
}

#- returns gateway interface if found
sub get_default_gateway_interface {
    my ($netc, $intf) = @_;
    my @intfs = sort keys %$intf;
    `$::prefix/sbin/ip route show` =~ /^default.*\s+dev\s+(\S+)/m && $1 ||
    $netc->{GATEWAYDEV} ||
    $netc->{GATEWAY} && find_matching_interface($intf, $netc->{GATEWAY}) ||
    (find { get_interface_type($intf->{$_}) eq 'adsl' } @intfs) ||
    (find { get_interface_type($intf->{$_}) eq 'isdn' && text2bool($intf->{$_}{DIAL_ON_IFUP}) } @intfs) ||
    (find { get_interface_type($intf->{$_}) eq 'modem' } @intfs) ||
    (find { get_interface_type($intf->{$_}) eq 'ethernet' && $intf->{$_}{BOOTPROTO} eq 'dhcp' } @intfs);
}

sub get_interface_status {
    my ($gw_intf) = @_;
    my @routes = `$::prefix/sbin/ip route show`;
    my $is_up = to_bool(grep { /\s+dev\s+$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 ($netc, $intf, $o_gw_intf) = @_;
    my $gw_intf = $o_gw_intf || get_default_gateway_interface($netc, $intf) or return;
    return $gw_intf, get_interface_status($gw_intf), $netc->{dnsServer};
}

sub get_interface_type {
    my ($interface) = @_;
    member($interface->{TYPE}, "xDSL", "ADSL") && "adsl" ||
    $interface->{DEVICE} =~ /^(eth|ath|wlan)/ && "ethernet" ||
    $interface->{DEVICE} =~ /^ippp/ && "isdn" ||
    $interface->{DEVICE} =~ /^ppp/ && "modem" ||
    "unknown";
}

sub get_default_metric {
    my ($type) = @_;
    my @known_types = ("ethernet_gigabit", "ethernet", "adsl", "isdn", "modem", "unknown");
    my $idx;
    eval { $idx = find_index { $type eq $_ } @known_types };
    $idx = @known_types if $@;
    $idx * 10;
}

sub ndiswrapper_installed_drivers() {
    `ndiswrapper -l` =~ /(\w+)\s+driver present/mg;
}

sub ndiswrapper_available_drivers() {
    `ndiswrapper -l` =~ /(\w+)\s+driver present, hardware present/mg;
}

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<a id='n336' href='#n336'>336</a>
<a id='n337' href='#n337'>337</a>
<a id='n338' href='#n338'>338</a>
<a id='n339' href='#n339'>339</a>
<a id='n340' href='#n340'>340</a>
<a id='n341' href='#n341'>341</a>
<a id='n342' href='#n342'>342</a>
<a id='n343' href='#n343'>343</a>
<a id='n344' href='#n344'>344</a>
<a id='n345' href='#n345'>345</a>
<a id='n346' href='#n346'>346</a>
<a id='n347' href='#n347'>347</a>
<a id='n348' href='#n348'>348</a>
<a id='n349' href='#n349'>349</a>
<a id='n350' href='#n350'>350</a>
<a id='n351' href='#n351'>351</a>
<a id='n352' href='#n352'>352</a>
<a id='n353' href='#n353'>353</a>
<a id='n354' href='#n354'>354</a>
<a id='n355' href='#n355'>355</a>
<a id='n356' href='#n356'>356</a>
<a id='n357' href='#n357'>357</a>
<a id='n358' href='#n358'>358</a>
<a id='n359' href='#n359'>359</a>
<a id='n360' href='#n360'>360</a>
<a id='n361' href='#n361'>361</a>
<a id='n362' href='#n362'>362</a>
<a id='n363' href='#n363'>363</a>
<a id='n364' href='#n364'>364</a>
<a id='n365' href='#n365'>365</a>
<a id='n366' href='#n366'>366</a>
<a id='n367' href='#n367'>367</a>
<a id='n368' href='#n368'>368</a>
<a id='n369' href='#n369'>369</a>
<a id='n370' href='#n370'>370</a>
<a id='n371' href='#n371'>371</a>
<a id='n372' href='#n372'>372</a>
<a id='n373' href='#n373'>373</a>
<a id='n374' href='#n374'>374</a>
<a id='n375' href='#n375'>375</a>
<a id='n376' href='#n376'>376</a>
<a id='n377' href='#n377'>377</a>
<a id='n378' href='#n378'>378</a>
<a id='n379' href='#n379'>379</a>
<a id='n380' href='#n380'>380</a>
<a id='n381' href='#n381'>381</a>
<a id='n382' href='#n382'>382</a>
<a id='n383' href='#n383'>383</a>
<a id='n384' href='#n384'>384</a>
<a id='n385' href='#n385'>385</a>
<a id='n386' href='#n386'>386</a>
<a id='n387' href='#n387'>387</a>
<a id='n388' href='#n388'>388</a>
<a id='n389' href='#n389'>389</a>
<a id='n390' href='#n390'>390</a>
<a id='n391' href='#n391'>391</a>
<a id='n392' href='#n392'>392</a>
<a id='n393' href='#n393'>393</a>
<a id='n394' href='#n394'>394</a>
<a id='n395' href='#n395'>395</a>
<a id='n396' href='#n396'>396</a>
<a id='n397' href='#n397'>397</a>
<a id='n398' href='#n398'>398</a>
<a id='n399' href='#n399'>399</a>
<a id='n400' href='#n400'>400</a>
<a id='n401' href='#n401'>401</a>
<a id='n402' href='#n402'>402</a>
<a id='n403' href='#n403'>403</a>
<a id='n404' href='#n404'>404</a>
<a id='n405' href='#n405'>405</a>
<a id='n406' href='#n406'>406</a>
<a id='n407' href='#n407'>407</a>
<a id='n408' href='#n408'>408</a>
<a id='n409' href='#n409'>409</a>
<a id='n410' href='#n410'>410</a>
<a id='n411' href='#n411'>411</a>
<a id='n412' href='#n412'>412</a>
<a id='n413' href='#n413'>413</a>
<a id='n414' href='#n414'>414</a>
<a id='n415' href='#n415'>415</a>
<a id='n416' href='#n416'>416</a>
<a id='n417' href='#n417'>417</a>
<a id='n418' href='#n418'>418</a>
<a id='n419' href='#n419'>419</a>
<a id='n420' href='#n420'>420</a>
<a id='n421' href='#n421'>421</a>
<a id='n422' href='#n422'>422</a>
<a id='n423' href='#n423'>423</a>
<a id='n424' href='#n424'>424</a>
<a id='n425' href='#n425'>425</a>
<a id='n426' href='#n426'>426</a>
<a id='n427' href='#n427'>427</a>
<a id='n428' href='#n428'>428</a>
<a id='n429' href='#n429'>429</a>
<a id='n430' href='#n430'>430</a>
<a id='n431' href='#n431'>431</a>
<a id='n432' href='#n432'>432</a>
<a id='n433' href='#n433'>433</a>
<a id='n434' href='#n434'>434</a>
<a id='n435' href='#n435'>435</a>
<a id='n436' href='#n436'>436</a>
<a id='n437' href='#n437'>437</a>
<a id='n438' href='#n438'>438</a>
<a id='n439' href='#n439'>439</a>
<a id='n440' href='#n440'>440</a>
<a id='n441' href='#n441'>441</a>
<a id='n442' href='#n442'>442</a>
<a id='n443' href='#n443'>443</a>
<a id='n444' href='#n444'>444</a>
<a id='n445' href='#n445'>445</a>
<a id='n446' href='#n446'>446</a>
<a id='n447' href='#n447'>447</a>
<a id='n448' href='#n448'>448</a>
<a id='n449' href='#n449'>449</a>
<a id='n450' href='#n450'>450</a>
<a id='n451' href='#n451'>451</a>
<a id='n452' href='#n452'>452</a>
<a id='n453' href='#n453'>453</a>
<a id='n454' href='#n454'>454</a>
<a id='n455' href='#n455'>455</a>
<a id='n456' href='#n456'>456</a>
<a id='n457' href='#n457'>457</a>
<a id='n458' href='#n458'>458</a>
<a id='n459' href='#n459'>459</a>
<a id='n460' href='#n460'>460</a>
<a id='n461' href='#n461'>461</a>
<a id='n462' href='#n462'>462</a>
<a id='n463' href='#n463'>463</a>
<a id='n464' href='#n464'>464</a>
<a id='n465' href='#n465'>465</a>
<a id='n466' href='#n466'>466</a>
<a id='n467' href='#n467'>467</a>
<a id='n468' href='#n468'>468</a>
<a id='n469' href='#n469'>469</a>
<a id='n470' href='#n470'>470</a>
<a id='n471' href='#n471'>471</a>
<a id='n472' href='#n472'>472</a>
<a id='n473' href='#n473'>473</a>
<a id='n474' href='#n474'>474</a>
<a id='n475' href='#n475'>475</a>
<a id='n476' href='#n476'>476</a>
<a id='n477' href='#n477'>477</a>
<a id='n478' href='#n478'>478</a>
<a id='n479' href='#n479'>479</a>
<a id='n480' href='#n480'>480</a>
<a id='n481' href='#n481'>481</a>
<a id='n482' href='#n482'>482</a>
<a id='n483' href='#n483'>483</a>
<a id='n484' href='#n484'>484</a>
<a id='n485' href='#n485'>485</a>
<a id='n486' href='#n486'>486</a>
<a id='n487' href='#n487'>487</a>
<a id='n488' href='#n488'>488</a>
<a id='n489' href='#n489'>489</a>
<a id='n490' href='#n490'>490</a>
<a id='n491' href='#n491'>491</a>
<a id='n492' href='#n492'>492</a>
<a id='n493' href='#n493'>493</a>
<a id='n494' href='#n494'>494</a>
<a id='n495' href='#n495'>495</a>
<a id='n496' href='#n496'>496</a>
<a id='n497' href='#n497'>497</a>
<a id='n498' href='#n498'>498</a>
<a id='n499' href='#n499'>499</a>
<a id='n500' href='#n500'>500</a>
<a id='n501' href='#n501'>501</a>
<a id='n502' href='#n502'>502</a>
<a id='n503' href='#n503'>503</a>
<a id='n504' href='#n504'>504</a>
<a id='n505' href='#n505'>505</a>
<a id='n506' href='#n506'>506</a>
<a id='n507' href='#n507'>507</a>
<a id='n508' href='#n508'>508</a>
<a id='n509' href='#n509'>509</a>
<a id='n510' href='#n510'>510</a>
<a id='n511' href='#n511'>511</a>
<a id='n512' href='#n512'>512</a>
<a id='n513' href='#n513'>513</a>
<a id='n514' href='#n514'>514</a>
<a id='n515' href='#n515'>515</a>
<a id='n516' href='#n516'>516</a>
<a id='n517' href='#n517'>517</a>
<a id='n518' href='#n518'>518</a>
<a id='n519' href='#n519'>519</a>
<a id='n520' href='#n520'>520</a>
<a id='n521' href='#n521'>521</a>
<a id='n522' href='#n522'>522</a>
<a id='n523' href='#n523'>523</a>
<a id='n524' href='#n524'>524</a>
<a id='n525' href='#n525'>525</a>
<a id='n526' href='#n526'>526</a>
<a id='n527' href='#n527'>527</a>
<a id='n528' href='#n528'>528</a>
<a id='n529' href='#n529'>529</a>
<a id='n530' href='#n530'>530</a>
<a id='n531' href='#n531'>531</a>
<a id='n532' href='#n532'>532</a>
<a id='n533' href='#n533'>533</a>
<a id='n534' href='#n534'>534</a>
<a id='n535' href='#n535'>535</a>
<a id='n536' href='#n536'>536</a>
<a id='n537' href='#n537'>537</a>
<a id='n538' href='#n538'>538</a>
<a id='n539' href='#n539'>539</a>
<a id='n540' href='#n540'>540</a>
<a id='n541' href='#n541'>541</a>
<a id='n542' href='#n542'>542</a>
<a id='n543' href='#n543'>543</a>
<a id='n544' href='#n544'>544</a>
<a id='n545' href='#n545'>545</a>
<a id='n546' href='#n546'>546</a>
<a id='n547' href='#n547'>547</a>
<a id='n548' href='#n548'>548</a>
<a id='n549' href='#n549'>549</a>
<a id='n550' href='#n550'>550</a>
<a id='n551' href='#n551'>551</a>
<a id='n552' href='#n552'>552</a>
<a id='n553' href='#n553'>553</a>
<a id='n554' href='#n554'>554</a>
<a id='n555' href='#n555'>555</a>
<a id='n556' href='#n556'>556</a>
<a id='n557' href='#n557'>557</a>
<a id='n558' href='#n558'>558</a>
<a id='n559' href='#n559'>559</a>
<a id='n560' href='#n560'>560</a>
<a id='n561' href='#n561'>561</a>
<a id='n562' href='#n562'>562</a>
<a id='n563' href='#n563'>563</a>
<a id='n564' href='#n564'>564</a>
<a id='n565' href='#n565'>565</a>
<a id='n566' href='#n566'>566</a>
<a id='n567' href='#n567'>567</a>
<a id='n568' href='#n568'>568</a>
<a id='n569' href='#n569'>569</a>
<a id='n570' href='#n570'>570</a>
<a id='n571' href='#n571'>571</a>
<a id='n572' href='#n572'>572</a>
<a id='n573' href='#n573'>573</a>
<a id='n574' href='#n574'>574</a>
<a id='n575' href='#n575'>575</a>
<a id='n576' href='#n576'>576</a>
<a id='n577' href='#n577'>577</a>
<a id='n578' href='#n578'>578</a>
<a id='n579' href='#n579'>579</a>
<a id='n580' href='#n580'>580</a>
<a id='n581' href='#n581'>581</a>
<a id='n582' href='#n582'>582</a>
<a id='n583' href='#n583'>583</a>
<a id='n584' href='#n584'>584</a>
<a id='n585' href='#n585'>585</a>
<a id='n586' href='#n586'>586</a>
<a id='n587' href='#n587'>587</a>
<a id='n588' href='#n588'>588</a>
<a id='n589' href='#n589'>589</a>
<a id='n590' href='#n590'>590</a>
<a id='n591' href='#n591'>591</a>
<a id='n592' href='#n592'>592</a>
<a id='n593' href='#n593'>593</a>
<a id='n594' href='#n594'>594</a>
<a id='n595' href='#n595'>595</a>
<a id='n596' href='#n596'>596</a>
<a id='n597' href='#n597'>597</a>
<a id='n598' href='#n598'>598</a>
<a id='n599' href='#n599'>599</a>
<a id='n600' href='#n600'>600</a>
<a id='n601' href='#n601'>601</a>
<a id='n602' href='#n602'>602</a>
<a id='n603' href='#n603'>603</a>
<a id='n604' href='#n604'>604</a>
<a id='n605' href='#n605'>605</a>
<a id='n606' href='#n606'>606</a>
<a id='n607' href='#n607'>607</a>
<a id='n608' href='#n608'>608</a>
<a id='n609' href='#n609'>609</a>
<a id='n610' href='#n610'>610</a>
<a id='n611' href='#n611'>611</a>
<a id='n612' href='#n612'>612</a>
<a id='n613' href='#n613'>613</a>
<a id='n614' href='#n614'>614</a>
<a id='n615' href='#n615'>615</a>
<a id='n616' href='#n616'>616</a>
<a id='n617' href='#n617'>617</a>
<a id='n618' href='#n618'>618</a>
<a id='n619' href='#n619'>619</a>
<a id='n620' href='#n620'>620</a>
<a id='n621' href='#n621'>621</a>
<a id='n622' href='#n622'>622</a>
<a id='n623' href='#n623'>623</a>
<a id='n624' href='#n624'>624</a>
<a id='n625' href='#n625'>625</a>
<a id='n626' href='#n626'>626</a>
<a id='n627' href='#n627'>627</a>
<a id='n628' href='#n628'>628</a>
<a id='n629' href='#n629'>629</a>
<a id='n630' href='#n630'>630</a>
<a id='n631' href='#n631'>631</a>
<a id='n632' href='#n632'>632</a>
<a id='n633' href='#n633'>633</a>
<a id='n634' href='#n634'>634</a>
<a id='n635' href='#n635'>635</a>
<a id='n636' href='#n636'>636</a>
<a id='n637' href='#n637'>637</a>
<a id='n638' href='#n638'>638</a>
<a id='n639' href='#n639'>639</a>
<a id='n640' href='#n640'>640</a>
<a id='n641' href='#n641'>641</a>
<a id='n642' href='#n642'>642</a>
<a id='n643' href='#n643'>643</a>
<a id='n644' href='#n644'>644</a>
<a id='n645' href='#n645'>645</a>
<a id='n646' href='#n646'>646</a>
<a id='n647' href='#n647'>647</a>
<a id='n648' href='#n648'>648</a>
<a id='n649' href='#n649'>649</a>
<a id='n650' href='#n650'>650</a>
<a id='n651' href='#n651'>651</a>
<a id='n652' href='#n652'>652</a>
<a id='n653' href='#n653'>653</a>
<a id='n654' href='#n654'>654</a>
<a id='n655' href='#n655'>655</a>
<a id='n656' href='#n656'>656</a>
<a id='n657' href='#n657'>657</a>
<a id='n658' href='#n658'>658</a>
<a id='n659' href='#n659'>659</a>
<a id='n660' href='#n660'>660</a>
<a id='n661' href='#n661'>661</a>
<a id='n662' href='#n662'>662</a>
<a id='n663' href='#n663'>663</a>
<a id='n664' href='#n664'>664</a>
<a id='n665' href='#n665'>665</a>
<a id='n666' href='#n666'>666</a>
<a id='n667' href='#n667'>667</a>
<a id='n668' href='#n668'>668</a>
<a id='n669' href='#n669'>669</a>
<a id='n670' href='#n670'>670</a>
</pre></td>
<td class='lines'><pre><code>