6 |
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|
7 |
use File::Slurp; |
use File::Slurp; |
8 |
use Net::Ping; |
use Net::Ping; |
9 |
use Carp qw/confess/; |
use Data::Dump qw/dump/; |
10 |
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|
11 |
use server; |
use server; |
12 |
use format; |
use format; |
13 |
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use ip; |
14 |
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|
15 |
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our $debug = $server::debug; |
16 |
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|
17 |
sub mkbasedir { |
sub mkbasedir { |
18 |
my $path = shift; |
my $path = shift; |
32 |
} elsif ( -f $path ) { |
} elsif ( -f $path ) { |
33 |
$value = read_file $path; |
$value = read_file $path; |
34 |
} else { |
} else { |
35 |
confess "$path not file or symlink"; |
warn "W: $path not file or symlink\n"; |
36 |
} |
} |
37 |
return $value; |
return $value; |
38 |
} |
} |
63 |
} elsif ( -f $path ) { |
} elsif ( -f $path ) { |
64 |
$value = read_file $path; |
$value = read_file $path; |
65 |
} else { |
} else { |
66 |
confess "conf $name"; |
warn "# $name missing $path\n" if $debug; |
67 |
} |
} |
68 |
return $value; |
return $value; |
69 |
} |
} |
70 |
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|
71 |
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sub all_conf { |
72 |
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my $ip = shift; |
73 |
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my $path = ip_path $ip || return; |
74 |
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my $conf; |
75 |
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foreach my $file ( glob("$path/*") ) { |
76 |
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my $name = $file; |
77 |
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$name =~ s{^.+/([^/]+)$}{$1}; |
78 |
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$conf->{ $name } = read_file $file; |
79 |
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} |
80 |
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return $conf; |
81 |
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} |
82 |
sub next_ip($) { |
sub next_ip($) { |
83 |
my $mac = shift; |
my $mac = shift; |
84 |
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$mac = format::mac($mac); |
85 |
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|
86 |
my $p = Net::Ping->new; |
my $p = Net::Ping->new; |
87 |
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|
98 |
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|
99 |
warn "next_ip $ip\n"; |
warn "next_ip $ip\n"; |
100 |
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|
101 |
mkdir ip_path($ip); |
save_ip_mac( $ip, $mac ); |
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my $mac_path = mac_path($mac); |
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unlink $mac_path if -e $mac_path; # XXX audit? |
|
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symlink ip_path($ip), $mac_path; |
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write_file ip_path($ip,'mac'), $mac; |
|
102 |
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|
103 |
return $ip; |
return $ip; |
104 |
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} |
105 |
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|
106 |
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sub save_ip_mac { |
107 |
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my ($ip,$mac) = @_; |
108 |
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$mac = format::mac($mac); |
109 |
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return if $mac eq '00:00:00:00:00:00'; |
110 |
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|
111 |
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mkdir ip_path($ip) unless -e ip_path($ip); |
112 |
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|
113 |
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my $mac_path = mac_path($mac); |
114 |
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unlink $mac_path if -l $mac_path; # XXX audit? |
115 |
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symlink ip_path($ip), $mac_path; |
116 |
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write_file( ip_path($ip,'mac'), $mac ); |
117 |
} |
} |
118 |
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|
119 |
sub ip_from_mac($) { |
sub ip_from_mac($) { |
120 |
my $mac = shift; |
my $mac = shift; |
121 |
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$mac = format::mac($mac); |
|
$mac = lc $mac; |
|
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$mac =~ s{:}{}g; |
|
122 |
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|
123 |
my $mac_path = mac_path $mac; |
my $mac_path = mac_path $mac; |
124 |
return unless -e $mac_path; |
return unless -e $mac_path; |
146 |
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|
147 |
sub change_ip($$) { |
sub change_ip($$) { |
148 |
my ($old, $new) = @_; |
my ($old, $new) = @_; |
149 |
my $mac = mac_from_ip($old); |
return if $old eq $new; |
150 |
|
my $mac = mac_from_ip($old) || die "no mac for $old"; |
151 |
rename ip_path($old), ip_path($new); |
rename ip_path($old), ip_path($new); |
152 |
unlink mac_path($mac); |
unlink mac_path($mac); |
153 |
symlink ip_path($new), mac_path($mac); |
symlink ip_path($new), mac_path($mac); |
154 |
|
return $new; |
155 |
|
} |
156 |
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|
157 |
|
sub all_ips { |
158 |
|
sort { ip::to_int($a) cmp ip::to_int($b) } |
159 |
|
map { |
160 |
|
my $ip = $_; |
161 |
|
$ip =~ s{^.+/ip/}{}; |
162 |
|
$ip; |
163 |
|
} glob("$server::conf/ip/*") |
164 |
|
} |
165 |
|
|
166 |
|
sub remove { |
167 |
|
my $ip = shift; |
168 |
|
unlink $_ foreach grep { -e $_ } ( glob "$server::conf/ip/$ip/*" ); |
169 |
|
if ( my $mac = mac_from_ip $ip ) { |
170 |
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unlink "$server::conf/mac/$mac"; |
171 |
|
} |
172 |
|
rmdir "$server::conf/ip/$ip"; |
173 |
|
} |
174 |
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|
175 |
|
sub arp_mac_dev { |
176 |
|
my $arp = { |
177 |
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map { |
178 |
|
my @c = split(/\s+/,$_); |
179 |
|
if ( $#c == 5 ) { |
180 |
|
client::save_ip_mac( $c[0], $c[3] ); |
181 |
|
( uc $c[3] => $c[5] ) |
182 |
|
} else { |
183 |
|
} |
184 |
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} read_file('/proc/net/arp') |
185 |
|
}; |
186 |
|
|
187 |
|
warn "# arp ",dump( $arp ); |
188 |
|
return $arp; |
189 |
} |
} |
190 |
|
|
191 |
1; |
1; |