diff options
| -rw-r--r-- | perl-install/network/tools.pm | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/perl-install/network/tools.pm b/perl-install/network/tools.pm index 1aa9cd50c..506086043 100644 --- a/perl-install/network/tools.pm +++ b/perl-install/network/tools.pm @@ -209,4 +209,80 @@ sub get_wep_key_from_iwconfig { $key; } + +#- returns interface whose IP address matchs given IP address, according to its network mask +sub find_matching_interface { + my ($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 first dhcp interface started on boot +sub get_default_ethernet_dhcp_interface { + my ($intf) = @_; + find { + text2bool($intf->{$_}{ONBOOT}) && $intf->{$_}{BOOTPROTO} eq 'dhcp' + } grep { /^eth\d+/ } sort keys %$intf; +} + + +#- returns first ppp interface started on boot +sub get_default_ppp_interface { + my ($intf) = @_; + find { + text2bool($intf->{$_}{ONBOOT}) + } grep { /^ppp\d+/ } sort keys %$intf; +} + +#- returns ippp interface dialed on boot +sub get_default_ippp_interface { + my ($intf) = @_; + find { + text2bool($intf->{$_}{ONBOOT}) && text2bool($intf->{$_}{DIAL_ON_IFUP}) + } grep { /^ippp\d+/ } sort keys %$intf; +} + +#- returns gateway interface if found +sub get_default_gateway_interface { + my ($netc, $intf) = @_; + `$::prefix/sbin/ip route show` =~ /^default.*\s+dev\s+(\S+)/m && $1 || + $netc->{GATEWAYDEV} || + $netc->{GATEWAY} && find_matching_interface($intf, $netc->{GATEWAY}) || + get_default_ethernet_dhcp_interface($intf) || + get_default_ppp_interface($intf) || + get_default_ippp_interface($intf); +} + +#- returns (gateway_interface, interface is up, gateway address, dns server address) +sub get_internet_connection { + my ($netc, $intf, $o_gw_intf) = @_; + my @routes = `$::prefix/sbin/ip route show`; + my ($gw_intf, $is_up, $gw_address); + $gw_intf = $o_gw_intf || get_default_gateway_interface($netc, $intf) or return; + $is_up = to_bool(grep { /\s+dev\s+$gw_intf(?:\s+|$)/ } @routes); + ($gw_address) = join('', @routes) =~ /^default\s+via\s+(\S+).*\s+dev\s+$gw_intf(?:\s+|$)/m; + return $gw_intf, $is_up, $gw_address, $netc->{dnsServer}; +} + +#- returns (ping to mandrakesoft.com, resolved host) +sub test_internet_connection() { + if (my $ip = gethostbyname('mandrakesoft.com')) { + 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'); + } + #- default timeout is 5 seconds + return $ip, to_bool($p->ping($ip)); + } +} + 1; |