39 |
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|
40 |
use client; |
use client; |
41 |
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|
42 |
sub client_ip { |
sub client_mac_ip { |
43 |
my ( $mac ) = @_; |
my ( $mac, $request_ip ) = @_; |
44 |
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|
45 |
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if ( ! $mac ) { |
46 |
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warn "W: no mac in requiest\n"; |
47 |
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return; |
48 |
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} |
49 |
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50 |
my $conf = $server::conf; |
my $conf = $server::conf; |
51 |
mkdir $conf unless -e $conf; |
mkdir $conf unless -e $conf; |
54 |
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|
55 |
if ( $ip = client::ip_from_mac( $mac ) ) { |
if ( $ip = client::ip_from_mac( $mac ) ) { |
56 |
print "RENEW $mac $ip\n"; |
print "RENEW $mac $ip\n"; |
57 |
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client::save_ip_mac( $ip, $mac ); |
58 |
return $ip; |
return $ip; |
59 |
} else { |
} elsif ( ip::in_dhcp_range( $request_ip ) || $request_ip eq '0.0.0.0' ) { |
60 |
$ip = client::next_ip( $mac ); |
$ip = client::next_ip( $mac ); |
61 |
print "NEW $mac $ip\n"; |
print "NEW $mac $ip\n"; |
62 |
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} else { |
63 |
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$ip = $request_ip; |
64 |
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client::save_ip_mac( $ip, $mac ); |
65 |
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warn "W: $ip our of server range $server::ip $server::netmask\n"; |
66 |
} |
} |
67 |
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|
68 |
return $ip; |
return $ip; |
90 |
return unless $buf; |
return unless $buf; |
91 |
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|
92 |
my $dhcp = Net::DHCP::Packet->new($buf); |
my $dhcp = Net::DHCP::Packet->new($buf); |
|
$dhcp->comment( $transaction++ ); |
|
93 |
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|
94 |
warn "recv: ", $dhcp->toString if $debug; |
warn "recv: ", $dhcp->toString if $debug; |
95 |
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|
96 |
my $mac = substr($dhcp->chaddr(),0,$dhcp->hlen()*2); |
$dhcp->comment( $transaction++ ); |
97 |
my $ip = client_ip($mac); |
|
98 |
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my $mac = format::mac( substr($dhcp->chaddr(),0,$dhcp->hlen()*2) ); |
99 |
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my $ip = client_mac_ip($mac, $dhcp->ciaddr); |
100 |
|
|
101 |
my $hostname = $dhcp->getOptionValue(DHO_HOST_NAME); |
my $hostname = $dhcp->getOptionValue(DHO_HOST_NAME); |
102 |
print "$ip ", client::conf( $ip => 'hostname', default => $hostname ), " >> /etc/hosts\n"; |
print "$ip ", client::conf( $ip => 'hostname', default => $hostname ), " >> /etc/hosts\n" if $hostname; |
103 |
|
|
104 |
my $audit = { mac => format::mac($mac), ip => $ip, hostname => $hostname }; |
my $audit = { mac => $mac, ip => $ip, hostname => $hostname, |
105 |
|
options => { |
106 |
|
map { |
107 |
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( $_ => $dhcp->getOptionValue( $_ ) ) |
108 |
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} @{ $dhcp->{options_order} } |
109 |
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}, |
110 |
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}; |
111 |
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|
112 |
=for later |
=for later |
113 |
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|
140 |
my $options = { |
my $options = { |
141 |
DHO_SUBNET_MASK() => $server::netmask, |
DHO_SUBNET_MASK() => $server::netmask, |
142 |
DHO_ROUTERS() => $server::ip, |
DHO_ROUTERS() => $server::ip, |
143 |
DHO_DOMAIN_NAME() => $server::domain_name, |
DHO_DOMAIN_NAME() => $server::domain, |
144 |
DHO_NAME_SERVERS() => $server::ip, |
DHO_NAME_SERVERS() => $server::ip, |
145 |
DHO_DOMAIN_NAME_SERVERS() => $server::ip, |
DHO_DOMAIN_NAME_SERVERS() => $server::ip, |
146 |
DHO_HOST_NAME() => client::conf( $ip, 'hostname' ), |
DHO_HOST_NAME() => client::conf( $ip, 'hostname' ), |
203 |
$packet = new Net::DHCP::Packet( %$packet ); |
$packet = new Net::DHCP::Packet( %$packet ); |
204 |
warn "send ",$packet->toString() if $debug; |
warn "send ",$packet->toString() if $debug; |
205 |
|
|
206 |
CouchDB::audit( $audit->{type}, $audit ); |
if ( ip::in_dhcp_range( $ip ) ) { |
207 |
|
my $buff = $packet->serialize(); |
208 |
|
|
209 |
|
my $reply = IO::Socket::INET->new( |
210 |
|
LocalAddr => $server::ip, |
211 |
|
LocalPort => 67, |
212 |
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Proto => "udp", |
213 |
|
Broadcast => 1, |
214 |
|
PeerAddr => '255.255.255.255', |
215 |
|
PeerPort => 68, |
216 |
|
Reuse => 1, |
217 |
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) or die "socket: $@"; |
218 |
|
|
219 |
my $reply = IO::Socket::INET->new( |
$reply->send( $buff, 0 ) or die "Error sending: $!\n"; |
220 |
LocalAddr => $server::ip, |
} else { |
221 |
LocalPort => 67, |
$audit->{error} = "$ip our of our range $server::ip $server::netmask"; |
222 |
Proto => "udp", |
warn $audit->{error}; |
223 |
Broadcast => 1, |
} |
|
PeerAddr => '255.255.255.255', |
|
|
PeerPort => 68, |
|
|
Reuse => 1, |
|
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) or die "socket: $@"; |
|
224 |
|
|
225 |
my $buff = $packet->serialize(); |
CouchDB::audit( $audit->{type}, $audit ); |
|
$reply->send( $buff, 0 ) or die "Error sending: $!\n"; |
|
226 |
|
|
227 |
# system("arp -s $ip $mac"), |
# system("arp -s $ip $mac"), |
228 |
|
|