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use autodie; |
use autodie; |
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|
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use File::Slurp; |
use File::Slurp; |
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use Net::Ping; |
use Data::Dump qw/dump/; |
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use File::Path; |
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use server; |
use server; |
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use format; |
use format; |
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use ip; |
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use ping; |
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use kvm; |
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our $debug = $server::debug; |
our $debug = $server::debug; |
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return $value; |
return $value; |
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} |
} |
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sub all_conf { |
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my $ip = shift; |
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my $path = ip_path $ip || return; |
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my $conf; |
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foreach my $file ( glob("$path/*") ) { |
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my $name = $file; |
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$name =~ s{^.+/([^/]+)$}{$1}; |
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$conf->{ $name } = read_file $file; |
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} |
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return $conf; |
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} |
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sub next_ip($) { |
sub next_ip($) { |
85 |
my $mac = shift; |
my $mac = shift; |
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$mac = format::mac($mac); |
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|
88 |
my $p = Net::Ping->new; |
if ( $server::new_clients > 0 ) { |
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warn "# clients left: ", --$server::new_clients; |
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} else { |
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warn "W: no new clients accepted"; |
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return '0.0.0.0'; |
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} |
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my $prefix = $server::ip; |
my $prefix = $server::ip; |
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$prefix =~ s{\.\d+$}{.}; |
$prefix =~ s{\.\d+$}{.}; |
97 |
my $addr = $server::ip_from || die; |
my $addr = $server::ip_from || die; |
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my $ip = $prefix . $addr; |
my $ip = $prefix . $addr; |
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|
100 |
while ( -e ip_path($ip) || $p->ping( $ip, 0.7 ) ) { |
while ( -e ip_path($ip) || ping::host($ip) ) { |
101 |
$ip = $prefix . $addr++; |
$ip = $prefix . $addr++; |
102 |
die "all addresses allocated!" if $addr == $server::ip_to; |
die "all addresses allocated!" if $addr == $server::ip_to; |
103 |
warn "skip $ip\n"; |
warn "skip $ip\n"; |
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|
113 |
sub save_ip_mac { |
sub save_ip_mac { |
114 |
my ($ip,$mac) = @_; |
my ($ip,$mac) = @_; |
115 |
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$mac = format::mac($mac); |
116 |
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return if $mac eq '00:00:00:00:00:00' || $ip eq '0.0.0.0'; |
117 |
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|
118 |
mkdir ip_path($ip); |
mkdir ip_path($ip) unless -e ip_path($ip); |
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|
120 |
my $mac_path = mac_path($mac); |
my $mac_path = mac_path($mac); |
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unlink $mac_path if -e $mac_path; # XXX audit? |
unlink $mac_path if -l $mac_path; # XXX audit? |
122 |
symlink ip_path($ip), $mac_path; |
symlink ip_path($ip), $mac_path; |
123 |
write_file ip_path($ip,'mac'), $mac; |
write_file( ip_path($ip,'mac'), $mac ); |
124 |
} |
} |
125 |
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|
126 |
sub ip_from_mac($) { |
sub ip_from_mac($) { |
127 |
my $mac = shift; |
my $mac = shift; |
128 |
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$mac = format::mac($mac); |
|
$mac = lc $mac; |
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$mac =~ s{:}{}g; |
|
129 |
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|
130 |
my $mac_path = mac_path $mac; |
my $mac_path = mac_path $mac; |
131 |
return unless -e $mac_path; |
return unless -e $mac_path; |
153 |
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|
154 |
sub change_ip($$) { |
sub change_ip($$) { |
155 |
my ($old, $new) = @_; |
my ($old, $new) = @_; |
156 |
my $mac = mac_from_ip($old); |
return if $old eq $new; |
157 |
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my $mac = mac_from_ip($old) || die "no mac for $old"; |
158 |
rename ip_path($old), ip_path($new); |
rename ip_path($old), ip_path($new); |
159 |
unlink mac_path($mac); |
unlink mac_path($mac); |
160 |
symlink ip_path($new), mac_path($mac); |
symlink ip_path($new), mac_path($mac); |
161 |
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return $new; |
162 |
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} |
163 |
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|
164 |
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sub all_ips { |
165 |
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sort { ip::to_int($a) cmp ip::to_int($b) } |
166 |
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map { |
167 |
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my $ip = $_; |
168 |
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$ip =~ s{^.+/ip/}{}; |
169 |
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autocreate_params( $ip ); |
170 |
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$ip; |
171 |
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} glob("$server::conf/ip/*") |
172 |
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} |
173 |
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|
174 |
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sub remove { |
175 |
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my $ip = shift; |
176 |
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unlink $_ foreach grep { -e $_ } ( glob "$server::conf/ip/$ip/*" ); |
177 |
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if ( my $mac = mac_from_ip $ip ) { |
178 |
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unlink "$server::conf/mac/$mac"; |
179 |
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} |
180 |
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rmtree "$server::conf/ip/$ip"; |
181 |
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} |
182 |
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|
183 |
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sub arp_mac_dev { |
184 |
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my $arp = { |
185 |
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map { |
186 |
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my @c = split(/\s+/,$_); |
187 |
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if ( $#c == 5 ) { |
188 |
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client::save_ip_mac( $c[0], $c[3] ); |
189 |
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( uc $c[3] => $c[5] ) |
190 |
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} else { |
191 |
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} |
192 |
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} read_file('/proc/net/arp') |
193 |
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}; |
194 |
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|
195 |
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warn "# arp ",dump( $arp ); |
196 |
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return $arp; |
197 |
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} |
198 |
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|
199 |
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sub rebuild_mac_links { |
200 |
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warn "# rebuild mac links"; |
201 |
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foreach my $ip ( all_ips ) { |
202 |
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my $mac = ip_path $ip, 'mac'; |
203 |
|
if ( -e $mac ) { |
204 |
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$mac = read_file $mac; |
205 |
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save_ip_mac( $ip, $mac ); |
206 |
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warn "## $ip $mac\n"; |
207 |
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} |
208 |
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} |
209 |
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} |
210 |
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|
211 |
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sub autocreate_params { |
212 |
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my $ip = shift; |
213 |
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my $mac = mac_from_ip $ip; |
214 |
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if ( $mac =~ m{^AC:DE:48:00:00} && ! defined conf( $ip, 'kvm' ) ) { |
215 |
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conf( $ip, 'kvm', default => kvm::nr_from_mac( $mac ) ); |
216 |
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warn "# create kvm for $ip"; |
217 |
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} |
218 |
} |
} |
219 |
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|
220 |
1; |
1; |