5 |
use autodie; |
use autodie; |
6 |
|
|
7 |
use File::Slurp; |
use File::Slurp; |
8 |
use Net::Ping; |
use Data::Dump qw/dump/; |
9 |
|
use File::Path; |
10 |
|
|
11 |
use server; |
use server; |
12 |
use format; |
use format; |
13 |
|
use ip; |
14 |
|
use ping; |
15 |
|
use kvm; |
16 |
|
|
17 |
our $debug = $server::debug; |
our $debug = $server::debug; |
18 |
|
|
50 |
} |
} |
51 |
|
|
52 |
my $path = ip_path $ip; |
my $path = ip_path $ip; |
53 |
mkdir $path unless -d $path; |
mkdir $path unless -e $path; |
54 |
|
warn "WARNING: $path not directory" unless -d $path; |
55 |
$path .= '/' . $name; |
$path .= '/' . $name; |
56 |
|
|
57 |
if ( defined $value ) { |
if ( defined $value ) { |
63 |
write_file $path, $default; |
write_file $path, $default; |
64 |
warn "default $path = $default"; |
warn "default $path = $default"; |
65 |
$value = $default; |
$value = $default; |
66 |
|
} elsif ( -l $path ) { |
67 |
|
$value = readlink $path; |
68 |
} elsif ( -f $path ) { |
} elsif ( -f $path ) { |
69 |
$value = read_file $path; |
$value = read_file $path; |
70 |
|
chomp $value; |
71 |
} else { |
} else { |
72 |
warn "# $name missing $path\n" if $debug; |
warn "# $name missing $path\n" if $debug; |
73 |
} |
} |
74 |
return $value; |
return $value; |
75 |
} |
} |
76 |
|
|
77 |
|
sub all_conf { |
78 |
|
my $ip = shift; |
79 |
|
my $path = ip_path $ip || return; |
80 |
|
my $conf; |
81 |
|
foreach my $file ( glob("$path/*"), glob("$path/*/*") ) { |
82 |
|
my $name = $file; |
83 |
|
$name =~ s{^$path/+}{} || die "can't remove $path from $name"; |
84 |
|
next if -d $file; |
85 |
|
$conf->{ $name } = |
86 |
|
-l $file ? readlink $file : |
87 |
|
-f $file ? read_file $file : |
88 |
|
'?'; |
89 |
|
} |
90 |
|
return $conf; |
91 |
|
} |
92 |
sub next_ip($) { |
sub next_ip($) { |
93 |
my $mac = shift; |
my $mac = shift; |
94 |
|
$mac = format::mac($mac); |
95 |
|
|
96 |
my $p = Net::Ping->new; |
if ( $server::new_clients > 0 ) { |
97 |
|
warn "# clients left: ", --$server::new_clients; |
98 |
|
} else { |
99 |
|
warn "W: no new clients accepted"; |
100 |
|
return '0.0.0.0'; |
101 |
|
} |
102 |
|
|
103 |
my $prefix = $server::ip; |
my $prefix = $server::ip; |
104 |
$prefix =~ s{\.\d+$}{.}; |
$prefix =~ s{\.\d+$}{.}; |
105 |
my $addr = $server::ip_from || die; |
my $addr = $server::ip_from || die; |
106 |
my $ip = $prefix . $addr; |
my $ip = $prefix . $addr; |
107 |
|
|
108 |
while ( -e ip_path($ip) || $p->ping( $ip, 0.7 ) ) { |
while ( -e ip_path($ip) || ping::host($ip) ) { |
109 |
$ip = $prefix . $addr++; |
$ip = $prefix . $addr++; |
110 |
die "all addresses allocated!" if $addr == $server::ip_to; |
die "all addresses allocated!" if $addr == $server::ip_to; |
111 |
warn "skip $ip\n"; |
warn "skip $ip\n"; |
120 |
|
|
121 |
sub save_ip_mac { |
sub save_ip_mac { |
122 |
my ($ip,$mac) = @_; |
my ($ip,$mac) = @_; |
123 |
|
$mac = format::mac($mac); |
124 |
|
return if $mac eq '00:00:00:00:00:00' || $ip eq '0.0.0.0'; |
125 |
|
|
126 |
mkdir ip_path($ip); |
mkdir ip_path($ip) unless -e ip_path($ip); |
127 |
|
|
128 |
my $mac_path = mac_path($mac); |
my $mac_path = mac_path($mac); |
129 |
unlink $mac_path if -e $mac_path; # XXX audit? |
unlink $mac_path if -l $mac_path; # XXX audit? |
130 |
symlink ip_path($ip), $mac_path; |
symlink ip_path($ip), $mac_path; |
131 |
write_file ip_path($ip,'mac'), $mac; |
write_file( ip_path($ip,'mac'), $mac ); |
132 |
} |
} |
133 |
|
|
134 |
sub ip_from_mac($) { |
sub ip_from_mac($) { |
135 |
my $mac = shift; |
my $mac = shift; |
136 |
|
$mac = format::mac($mac); |
|
$mac = lc $mac; |
|
|
$mac =~ s{:}{}g; |
|
137 |
|
|
138 |
my $mac_path = mac_path $mac; |
my $mac_path = mac_path $mac; |
139 |
return unless -e $mac_path; |
return unless -e $mac_path; |
161 |
|
|
162 |
sub change_ip($$) { |
sub change_ip($$) { |
163 |
my ($old, $new) = @_; |
my ($old, $new) = @_; |
164 |
my $mac = mac_from_ip($old); |
return if $old eq $new; |
165 |
|
my $mac = mac_from_ip($old) || die "no mac for $old"; |
166 |
rename ip_path($old), ip_path($new); |
rename ip_path($old), ip_path($new); |
167 |
unlink mac_path($mac); |
unlink mac_path($mac); |
168 |
symlink ip_path($new), mac_path($mac); |
symlink ip_path($new), mac_path($mac); |
169 |
|
return $new; |
170 |
|
} |
171 |
|
|
172 |
|
sub all_ips { |
173 |
|
sort { ip::to_int($a) cmp ip::to_int($b) } |
174 |
|
map { |
175 |
|
my $ip = $_; |
176 |
|
$ip =~ s{^.+/ip/}{}; |
177 |
|
autocreate_params( $ip ); |
178 |
|
$ip; |
179 |
|
} glob("$server::conf/ip/*") |
180 |
|
} |
181 |
|
|
182 |
|
sub remove { |
183 |
|
my $ip = shift; |
184 |
|
if ( my $mac = mac_from_ip $ip ) { |
185 |
|
unlink "$server::conf/mac/$mac"; |
186 |
|
} |
187 |
|
rmtree "$server::conf/ip/$ip"; |
188 |
|
} |
189 |
|
|
190 |
|
sub arp_mac_dev { |
191 |
|
my $arp = { |
192 |
|
map { |
193 |
|
my @c = split(/\s+/,$_); |
194 |
|
if ( $#c == 5 ) { |
195 |
|
client::save_ip_mac( $c[0], $c[3] ); |
196 |
|
( uc $c[3] => $c[5] ) |
197 |
|
} else { |
198 |
|
} |
199 |
|
} read_file('/proc/net/arp') |
200 |
|
}; |
201 |
|
|
202 |
|
warn "# arp ",dump( $arp ); |
203 |
|
return $arp; |
204 |
|
} |
205 |
|
|
206 |
|
sub rebuild_mac_links { |
207 |
|
warn "# rebuild mac links"; |
208 |
|
foreach my $ip ( all_ips ) { |
209 |
|
my $mac = ip_path $ip, 'mac'; |
210 |
|
if ( -e $mac ) { |
211 |
|
$mac = read_file $mac; |
212 |
|
chomp $mac; |
213 |
|
save_ip_mac( $ip, $mac ); |
214 |
|
warn "## $ip $mac\n"; |
215 |
|
} |
216 |
|
} |
217 |
|
} |
218 |
|
|
219 |
|
sub autocreate_params { |
220 |
|
my $ip = shift; |
221 |
|
my $mac = mac_from_ip $ip; |
222 |
|
if ( $mac =~ m{^AC:DE:48:00:00} && ! defined conf( $ip, 'kvm' ) ) { |
223 |
|
conf( $ip, 'kvm', default => kvm::nr_from_mac( $mac ) ); |
224 |
|
warn "# create kvm for $ip"; |
225 |
|
} |
226 |
} |
} |
227 |
|
|
228 |
1; |
1; |