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author | damien <damien@mandriva.com> | 2001-07-02 20:51:08 +0000 |
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committer | damien <damien@mandriva.com> | 2001-07-02 20:51:08 +0000 |
commit | 6fcfa39325f63952260032fe0b2e42f620bc7734 (patch) | |
tree | 8cb7db55a0dc3f5f4ea0e1b2acad3696cda3f341 /perl-install/network/network.pm | |
parent | 3e745b343439ebf6f58e1c41d0e831df7cc4b3e7 (diff) | |
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new network sources reorganization
Diffstat (limited to 'perl-install/network/network.pm')
-rw-r--r-- | perl-install/network/network.pm | 486 |
1 files changed, 486 insertions, 0 deletions
diff --git a/perl-install/network/network.pm b/perl-install/network/network.pm new file mode 100644 index 000000000..091675646 --- /dev/null +++ b/perl-install/network/network.pm @@ -0,0 +1,486 @@ +package network::network; # $Id$ + +use diagnostics; +use strict; + +#-###################################################################################### +#- misc imports +#-###################################################################################### +use Socket; + +use common qw(:common :file :system :functional); +use detect_devices; +use run_program; +use any; +use log; +use vars qw(@ISA @EXPORT); + +@ISA = qw(Exporter); +@EXPORT = qw(resolv configureNetworkIntf netmask dns is_ip configureNetwork masked_ip findIntf addDefaultRoute all write_interface_conf read_all_conf dnsServers guessHostname configureNetworkNet read_resolv_conf getVarsFromSh read_interface_conf add2hosts gateway configureNetwork2 write_conf sethostname miscellaneousNetwork down_it read_conf write_resolv_conf up_it); + +#-###################################################################################### +#- Functions +#-###################################################################################### +sub read_conf { + my ($file) = @_; + my %netc = getVarsFromSh($file); + \%netc; +} + +sub read_resolv_conf { + my ($file) = @_; + my @l = qw(dnsServer dnsServer2 dnsServer3); + my %netc; + + local *F; open F, $file or die "cannot open $file: $!"; + local $_; + while (<F>) { + /^\s*nameserver\s+(\S+)/ and $netc{shift @l} = $1; + } + \%netc; +} + +sub read_interface_conf { + my ($file) = @_; + my %intf = getVarsFromSh($file) or die "cannot open file $file: $!"; + + $intf{BOOTPROTO} ||= 'static'; + $intf{isPtp} = $intf{NETWORK} eq '255.255.255.255'; + $intf{isUp} = 1; + \%intf; +} + +sub up_it { + my ($prefix, $intfs) = @_; + $_->{isUp} and return foreach values %$intfs; + my $f = "/etc/resolv.conf"; symlink "$prefix/$f", $f; + run_program::rooted($prefix, "/etc/rc.d/init.d/network", "start"); + $_->{isUp} = 1 foreach values %$intfs; +} +sub down_it { + my ($prefix, $intfs) = @_; + run_program::rooted($prefix, "/etc/rc.d/init.d/network", "stop"); + $_->{isUp} = 1 foreach values %$intfs; +} + +sub write_conf { + my ($file, $netc) = @_; + + add2hash($netc, { + NETWORKING => "yes", + FORWARD_IPV4 => "false", + HOSTNAME => "localhost.localdomain", + }); + ($netc->{DOMAINNAME}) = ($netc->{HOSTNAME} =~ /\.(.*)/); + + setVarsInSh($file, $netc, qw(NETWORKING FORWARD_IPV4 DHCP_HOSTNAME HOSTNAME DOMAINNAME GATEWAY GATEWAYDEV NISDOMAIN)); +} + +sub write_resolv_conf { + my ($file, $netc) = @_; + + #- get the list of used dns. + my %used_dns; @used_dns{$netc->{dnsServer}, $netc->{dnsServer2}, $netc->{dnsServer3}} = (1, 2, 3); + + unless ($netc->{DOMAINNAME} || $netc->{DOMAINNAME2} || keys %used_dns > 0) { + unlink($file); + log::l("neither domain name nor dns server are configured"); + return 0; + } + + my (%search, %dns, @unknown); + local *F; open F, $file; + local $_; + while (<F>) { + /^[#\s]*search\s+(.*?)\s*$/ and $search{$1} = $., next; + /^[#\s]*nameserver\s+(.*?)\s*$/ and $dns{$1} = $., next; + /^.*# ppp temp entry\s*$/ and next; + /^[#\s]*(\S.*?)\s*$/ and push @unknown, $1; + } + + close F; open F, ">$file" or die "cannot write $file: $!"; + print F "# search $_\n" foreach grep { $_ ne "$netc->{DOMAINNAME} $netc->{DOMAINNAME2}" } sort { $search{$a} <=> $search{$b} } keys %search; + print F "search $netc->{DOMAINNAME} $netc->{DOMAINNAME2}\n\n" if ($netc->{DOMAINNAME} || $netc->{DOMAINNAME2}); + print F "# nameserver $_\n" foreach grep { ! exists $used_dns{$_} } sort { $dns{$a} <=> $dns{$b} } keys %dns; + print F "nameserver $_\n" foreach sort { $used_dns{$a} <=> $used_dns{$b} } grep { $_ } keys %used_dns; + print F "\n"; + print F "# $_\n" foreach @unknown; + print F "\n"; + print F "# ppp temp entry\n"; + + #-res_init(); # reinit the resolver so DNS changes take affect + 1; +} + +sub write_interface_conf { + my ($file, $intf) = @_; + + my @ip = split '\.', $intf->{IPADDR}; + my @mask = split '\.', $intf->{NETMASK}; + add2hash($intf, { + BROADCAST => join('.', mapn { int $_[0] | ~int $_[1] & 255 } \@ip, \@mask), + NETWORK => join('.', mapn { int $_[0] & $_[1] } \@ip, \@mask), + ONBOOT => bool2yesno(!member($intf->{DEVICE}, map { $_->{device} } detect_devices::probeall())), + }); + setVarsInSh($file, $intf, qw(DEVICE BOOTPROTO IPADDR NETMASK NETWORK BROADCAST ONBOOT), ($intf->{wireless_eth}) ? qw(WIRELESS_MODE WIRELESS_ESSID WIRELESS_NWID WIRELESS_FREQ WIRELESS_SENS WIRELESS_RATE WIRELESS_ENC_KEY WIRELESS_RTS WIRELESS_FRAG WIRELESS_IWCONFIG WIRELESS_IWSPY WIRELESS_IWPRIV) : ()); +} + +sub add2hosts { + my ($file, $hostname, @ips) = @_; + my %l; + $l{$_} = $hostname foreach @ips; + + local *F; + if (-e $file) { + open F, $file or die "cannot open $file: $!"; + /\s*(\S+)(.*)/ and $l{$1} ||= $2 foreach <F>; + } + log::l("writing host information to $file"); + open F, ">$file" or die "cannot write $file: $!"; + while (my ($ip, $v) = each %l) { + $ip or next; + print F "$ip"; + if ($v =~ /^\s/) { + print F $v; + } else { + print F "\t\t$v"; + print F " $1" if $v =~ /(.*?)\./; + } + print F "\n"; + } +} + +# The interface/gateway needs to be configured before this will work! +sub guessHostname { + my ($prefix, $netc, $intf) = @_; + + $intf->{isUp} && dnsServers($netc) or return 0; + $netc->{HOSTNAME} && $netc->{DOMAINNAME} and return 1; + + write_resolv_conf("$prefix/etc/resolv.conf", $netc); + + my $name = gethostbyaddr(Socket::inet_aton($intf->{IPADDR}), AF_INET) or log::l("reverse name lookup failed"), return 0; + + log::l("reverse name lookup worked"); + + add2hash($netc, { HOSTNAME => $name }); + 1; +} + +sub addDefaultRoute { + my ($netc) = @_; + c::addDefaultRoute($netc->{GATEWAY}) if $netc->{GATEWAY}; +} + +sub sethostname { + my ($netc) = @_; + syscall_('sethostname', $netc->{HOSTNAME}, length $netc->{HOSTNAME}) or log::l("sethostname failed: $!"); +} + +sub resolv($) { + my ($name) = @_; + is_ip($name) and return $name; + my $a = join(".", unpack "C4", (gethostbyname $name)[4]); + #-log::l("resolved $name in $a"); + $a; +} + +sub dnsServers { + my ($netc) = @_; + my %used_dns; @used_dns{$netc->{dnsServer}, $netc->{dnsServer2}, $netc->{dnsServer3}} = (1, 2, 3); + sort { $used_dns{$a} <=> $used_dns{$b} } grep { $_ } keys %used_dns; +} + +sub findIntf { + my ($intf, $device) = @_; + $intf->{$device}->{DEVICE} = $device; + $intf->{$device}; +} +#PAD \s* a la fin +my $ip_regexp = qr/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/; +sub is_ip { + my ($ip) = @_; + return 0 unless $ip =~ $ip_regexp; + my @fields = ($1, $2, $3, $4); + foreach (@fields) { + return 0 if $_ < 0 || $_ > 255; + } + return 1; +} + +sub netmask { + my ($ip) = @_; + return "255.255.255.0" unless is_ip($ip); + $ip =~ $ip_regexp; + if ($1 >= 1 && $1 < 127) { + return "255.0.0.0"; #-1.0.0.0 to 127.0.0.0 + } elsif ($1 >= 128 && $1 <= 191 ){ + return "255.255.0.0"; #-128.0.0.0 to 191.255.0.0 + } elsif ($1 >= 192 && $1 <= 223) { + return "255.255.255.0"; + } else { + return "255.255.255.255"; #-experimental classes + } +} + +sub masked_ip { + my ($ip) = @_; + return "" unless is_ip($ip); + my @mask = netmask($ip) =~ $ip_regexp; + my @ip = $ip =~ $ip_regexp; + for (my $i = 0; $i < @ip; $i++) { + $ip[$i] &= int $mask[$i]; + } + join(".", @ip); +} + +sub dns { + my ($ip) = @_; + my $mask = masked_ip($ip); + my @masked = masked_ip($ip) =~ $ip_regexp; + $masked[3] = 2; + join (".", @masked); + +} +sub gateway { + my ($ip) = @_; + my @masked = masked_ip($ip) =~ $ip_regexp; + $masked[3] = 1; + join (".", @masked); + +} + +sub configureNetwork { + my ($prefix, $netc, $in, $intf, $first_time) = @_; + local $_; + any::setup_thiskind($in, 'net', !$::expert, 1); + my @l = detect_devices::getNet() or die _("no network card found"); + my @all_cards = netconnect::conf_network_card_backend ($prefix, $netc, $intf, undef, undef, undef, undef); + + configureNetwork_step_1: + my $n_card=0; + $netc ||= {}; + my $last; foreach (@l) { + my $intf2 = findIntf($intf ||= {}, $_); + add2hash($intf2, $last); + add2hash($intf2, { NETMASK => '255.255.255.0' }); + configureNetworkIntf($netc, $in, $intf2, $netc->{NET_DEVICE}, 0, $all_cards[$n_card]->[1]) or return; + + $last = $intf2; + $n_card++; + } + #- { + #- my $wait = $o->wait_message(_("Hostname"), _("Determining host name and domain...")); + #- network::guessHostname($o->{prefix}, $o->{netc}, $o->{intf}); + #- } + $last or return; + if ($last->{BOOTPROTO} =~ /^(dhcp|bootp)$/) { + $netc->{minus_one} = 1; + my $dhcp_hostname = $netc->{HOSTNAME}; + $::isInstall and $in->set_help('configureNetworkHostDHCP'); + $in->ask_from_entries_refH(_("Configuring network"), +_("Please enter your host name if you know it. +Some DHCP servers require the hostname to work. +Your host name should be a fully-qualified host name, +such as ``mybox.mylab.myco.com''."), + [ { label => _("Host name"), val => \$netc->{HOSTNAME} }]) or goto configureNetwork_step_1; + $netc->{HOSTNAME} ne $dhcp_hostname and $netc->{DHCP_HOSTNAME} = $netc->{HOSTNAME}; + } else { + configureNetworkNet($in, $netc, $last ||= {}, @l) or goto configureNetwork_step_1; + if ( $netc->{GATEWAY} ) { + unlink "$prefix/etc/sysconfig/network-scripts/net_cnx_up"; + unlink "$prefix/etc/sysconfig/network-scripts/net_cnx_down"; + undef $netc->{NET_DEVICE}; + } + } + miscellaneousNetwork($in); + 1; +} + + +sub configureNetworkIntf { + my ($netc, $in, $intf, $net_device, $skip, $module) = @_; + my $text; + my @wireless_modules = ("airo_cs", "netwave_cs", "ray_cs", "wavelan_cs", "wvlan_cs"); + if (member($module, @wireless_modules)) { + $intf->{wireless_eth} = 1; + $netc->{wireless_eth} = 1; + $intf->{WIRELESS_MODE} = "Managed"; + $intf->{WIRELESS_ESSID} = "any"; +#- $intf->{WIRELESS_NWID} = ""; +#- $intf->{WIRELESS_FREQ} = ""; +#- $intf->{WIRELESS_SENS} = ""; +#- $intf->{WIRELESS_RATE} = ""; +#- $intf->{WIRELESS_ENC_KEY} = ""; +#- $intf->{WIRELESS_RTS} = ""; +#- $intf->{WIRELESS_FRAG} = ""; +#- $intf->{WIRELESS_IWCONFIG} = ""; +#- $intf->{WIRELESS_IWSPY} = ""; +#- $intf->{WIRELESS_IWPRIV} = ""; + } + if ($net_device eq $intf->{DEVICE}) { + $skip and return 1; + $text = _("WARNING: This device has been previously configured to connect to the Internet. +Simply accept to keep this device configured. +Modifying the fields below will override this configuration."); + } + else { + $text = _("Please enter the IP configuration for this machine. +Each item should be entered as an IP address in dotted-decimal +notation (for example, 1.2.3.4)."); + } + my $pump = $intf->{BOOTPROTO} =~ /^(dhcp|bootp)$/; + delete $intf->{NETWORK}; + delete $intf->{BROADCAST}; + my @fields = qw(IPADDR NETMASK); + $::isStandalone or $in->set_help('configureNetworkIP'); + $in->ask_from_entries_refH(_("Configuring network device %s", $intf->{DEVICE}), + (_("Configuring network device %s", $intf->{DEVICE}) . ( $module ? _(" (driver $module)") : '' ) ."\n\n") . + $text, + [ { label => _("IP address"), val => \$intf->{IPADDR}, disabled => sub { $pump } }, + { label => _("Netmask"), val => \$intf->{NETMASK}, disabled => sub { $pump } }, + { label => _("Automatic IP"), val => \$pump, type => "bool", text => _("(bootp/dhcp)") }, + if_($intf->{wireless_eth}, + { label => "WIRELESS_MODE", val => \$intf->{WIRELESS_MODE}, list => [ "Ad-hoc", "Managed", "Master", "Repeater", "Secondary", "Auto"] }, + { label => "WIRELESS_ESSID", val => \$intf->{WIRELESS_ESSID} }, + { label => "WIRELESS_NWID", val => \$intf->{WIRELESS_NWID} }, + { label => "WIRELESS_FREQ", val => \$intf->{WIRELESS_FREQ} }, + { label => "WIRELESS_SENS", val => \$intf->{WIRELESS_SENS} }, + { label => "WIRELESS_RATE", val => \$intf->{WIRELESS_RATE} }, + { label => "WIRELESS_ENC_KEY", val => \$intf->{WIRELESS_ENC_KEY} }, + { label => "WIRELESS_RTS", val => \$intf->{WIRELESS_RTS} }, + { label => "WIRELESS_FRAG", val => \$intf->{WIRELESS_FRAG} }, + { label => "WIRELESS_IWCONFIG", val => \$intf->{WIRELESS_IWCONFIG} }, + { label => "WIRELESS_IWSPY", val => \$intf->{WIRELESS_IWSPY} }, + { label => "WIRELESS_IWPRIV", val => \$intf->{WIRELESS_IWPRIV} } + ), + ], + complete => sub { + $intf->{BOOTPROTO} = $pump ? "dhcp" : "static"; + return 0 if $pump; + for (my $i = 0; $i < @fields; $i++) { + unless (is_ip($intf->{$fields[$i]})) { + $in->ask_warn('', _("IP address should be in format 1.2.3.4")); + return (1,$i); + } + return 0; + } + if ($intf->{WIRELESS_FREQ} !~ /[0-9.]*[kGM]/) { + $in->ask_warn('', _('Freq should have the suffix k, M or G (for example, "2.46G" for 2.46 GHz fre + quency), or add enough \'0\'.')); + return (1,6); + } + if ($intf->{WIRELESS_RATE} !~ /[0-9.]*[kGM]/) { + $in->ask_warn('', _('Rate should have the suffix k, M or G (for example, "11M" for 11M), or add enough \'0\'.')); + return (1,8); + } + }, + focus_out => sub { + $intf->{NETMASK} ||= netmask($intf->{IPADDR}) unless $_[0] + } + ); +} + +sub configureNetworkNet { + my ($in, $netc, $intf, @devices) = @_; + + $netc->{dnsServer} ||= dns($intf->{IPADDR}); + $netc->{GATEWAY} ||= gateway($intf->{IPADDR}); + + $::isInstall and $in->set_help('configureNetworkHost'); + $in->ask_from_entries_refH(_("Configuring network"), +_("Please enter your host name. +Your host name should be a fully-qualified host name, +such as ``mybox.mylab.myco.com''. +You may also enter the IP address of the gateway if you have one"), + [ { label => _("Host name"), val => \$netc->{HOSTNAME} }, + { label => _("DNS server"), val => \$netc->{dnsServer} }, + { label => _("Gateway"), val => \$netc->{GATEWAY} }, + if_($::expert, + { label => _("Gateway device"), val => \$netc->{GATEWAYDEV}, list => \@devices }, + ), + ], + ); +} + +sub miscellaneousNetwork { + my ($in, $clicked) = @_; + my $u = $::o->{miscellaneous} ||= {}; + $::isInstall and $in->set_help('configureNetworkProxy'); + $::expert || $clicked and $in->ask_from_entries_refH('', + _("Proxies configuration"), + [ { label => _("HTTP proxy"), val => \$u->{http_proxy} }, + { label => _("FTP proxy"), val => \$u->{ftp_proxy} }, + ], + complete => sub { + $u->{http_proxy} =~ m,^($|http://), or $in->ask_warn('', _("Proxy should be http://...")), return 1,0; + $u->{ftp_proxy} =~ m,^($|ftp://), or $in->ask_warn('', _("Proxy should be ftp://...")), return 1,1; + 0; + } + ) || return; +} + +sub read_all_conf { + my ($prefix, $netc, $intf) = @_; + $netc ||= {}; $intf ||= {}; + add2hash($netc, read_conf("$prefix/etc/sysconfig/network")) if -r "$prefix/etc/sysconfig/network"; + add2hash($netc, read_resolv_conf("$prefix/etc/resolv.conf")) if -r "$prefix/etc/resolv.conf"; + foreach (all("$prefix/etc/sysconfig/network-scripts")) { + if (/ifcfg-(\w+)/ && $1 ne 'lo' && $1 !~ /ppp/) { + my $intf = findIntf($intf, $1); + add2hash($intf, { getVarsFromSh("$prefix/etc/sysconfig/network-scripts/$_") }); + } + } +} + +#- configureNetwork2 : configure the network interfaces. +#- input +#- $prefix +#- $netc +#- $intf +#- $install : a function that takes a list of package and install them : ex sub { system("urpmi --auto --best-output " . join(' ', @_)); } +#- $netc input +#- NETWORKING : networking flag : string : "yes" by default +#- FORWARD_IPV4 : forward IP flag : string : "false" by default +#- HOSTNAME : hostname : string : "localhost.localdomain" by default +#- DOMAINNAME : domainname : string : $netc->{HOSTNAME} =~ /\.(.*)/ by default +#- DOMAINNAME2 : well it's another domainname : have to look further why we used 2 +#- The following are facultatives +#- DHCP_HOSTNAME : If you have a dhcp and want to set the hostname +#- GATEWAY : gateway +#- GATEWAYDEV : gateway interface +#- NISDOMAIN : nis domain +#- $netc->{dnsServer} : dns server 1 +#- $netc->{dnsServer2} : dns server 2 +#- $netc->{dnsServer3} : dns server 3 : note that we uses the dns1 for the LAN, and the 2 others for the internet conx +#- $intf input: for each $device (for example ethx) +#- $intf->{$device}{IPADDR} : IP address +#- $intf->{$device}{NETMASK} : netmask +#- $intf->{$device}{DEVICE} : DEVICE = $device +#- $intf->{$device}{BOOTPROTO} : boot prototype : "bootp" or "dhcp" or "pump" or ... +sub configureNetwork2 { + my ($in, $prefix, $netc, $intf, $install) = @_; + my $etc = "$prefix/etc"; + + $netc->{wireless_eth} and $install->('wireless-tools'); + write_conf("$etc/sysconfig/network", $netc); + write_resolv_conf("$etc/resolv.conf", $netc); + write_interface_conf("$etc/sysconfig/network-scripts/ifcfg-$_->{DEVICE}", $_) foreach grep { $_->{DEVICE} } values %$intf; + add2hosts("$etc/hosts", $netc->{HOSTNAME}, map { $_->{IPADDR} } values %$intf); + + if (grep { $_->{BOOTPROTO} =~ /^(dhcp)$/ } values %$intf) { + $::isStandalone ? $in->standalone::pkgs_install('dhcpcd') : $install->('dhcpcd'); + } + if (grep { $_->{BOOTPROTO} =~ /^(pump|bootp)$/ } values %$intf) { + $::isStandalone ? $in->standalone::pkgs_install('pump') : $install->('pump'); + } + #-res_init(); #- reinit the resolver so DNS changes take affect + + any::miscellaneousNetwork($prefix); +} + + +#-###################################################################################### +#- Wonderful perl :( +#-###################################################################################### +1; |