use autodie;
use File::Slurp;
-use Net::Ping;
+use Data::Dump qw/dump/;
+use File::Path;
use server;
use format;
+use ip;
+use ping;
our $debug = $server::debug;
return $value;
}
+sub all_conf {
+ my $ip = shift;
+ my $path = ip_path $ip || return;
+ my $conf;
+ foreach my $file ( glob("$path/*") ) {
+ my $name = $file;
+ $name =~ s{^.+/([^/]+)$}{$1};
+ $conf->{ $name } = read_file $file;
+ }
+ return $conf;
+}
sub next_ip($) {
my $mac = shift;
+ $mac = format::mac($mac);
- my $p = Net::Ping->new;
+ if ( my $clients_left = server::shared( 'new_clients' ) ) {
+ server::shared( 'new_clients', $clients_left - 1 );
+ } else {
+ warn "W: no new clients accepted";
+ return '0.0.0.0';
+ }
my $prefix = $server::ip;
$prefix =~ s{\.\d+$}{.};
my $addr = $server::ip_from || die;
my $ip = $prefix . $addr;
- while ( -e ip_path($ip) || $p->ping( $ip, 0.7 ) ) {
+ while ( -e ip_path($ip) || ping::host($ip) ) {
$ip = $prefix . $addr++;
die "all addresses allocated!" if $addr == $server::ip_to;
warn "skip $ip\n";
sub save_ip_mac {
my ($ip,$mac) = @_;
+ $mac = format::mac($mac);
+ return if $mac eq '00:00:00:00:00:00';
- mkdir ip_path($ip) unless -e $ip;
+ mkdir ip_path($ip) unless -e ip_path($ip);
my $mac_path = mac_path($mac);
- unlink $mac_path if -e $mac_path; # XXX audit?
+ unlink $mac_path if -l $mac_path; # XXX audit?
symlink ip_path($ip), $mac_path;
- write_file ip_path($ip,'mac'), $mac;
+ write_file( ip_path($ip,'mac'), $mac );
}
sub ip_from_mac($) {
my $mac = shift;
-
- $mac = lc $mac;
- $mac =~ s{:}{}g;
+ $mac = format::mac($mac);
my $mac_path = mac_path $mac;
return unless -e $mac_path;
sub change_ip($$) {
my ($old, $new) = @_;
- my $mac = mac_from_ip($old);
+ return if $old eq $new;
+ my $mac = mac_from_ip($old) || die "no mac for $old";
rename ip_path($old), ip_path($new);
unlink mac_path($mac);
symlink ip_path($new), mac_path($mac);
+ return $new;
+}
+
+sub all_ips {
+ sort { ip::to_int($a) cmp ip::to_int($b) }
+ map {
+ my $ip = $_;
+ $ip =~ s{^.+/ip/}{};
+ $ip;
+ } glob("$server::conf/ip/*")
+}
+
+sub remove {
+ my $ip = shift;
+ unlink $_ foreach grep { -e $_ } ( glob "$server::conf/ip/$ip/*" );
+ if ( my $mac = mac_from_ip $ip ) {
+ unlink "$server::conf/mac/$mac";
+ }
+ rmtree "$server::conf/ip/$ip";
+}
+
+sub arp_mac_dev {
+ my $arp = {
+ map {
+ my @c = split(/\s+/,$_);
+ if ( $#c == 5 ) {
+ client::save_ip_mac( $c[0], $c[3] );
+ ( uc $c[3] => $c[5] )
+ } else {
+ }
+ } read_file('/proc/net/arp')
+ };
+
+ warn "# arp ",dump( $arp );
+ return $arp;
}
1;