use Socket;
use IO::Socket;
use Net::SSLeay;
-use Net::IPv4Addr;
-
+use Net::IPv4Addr qw(:all);
$|=1; # line buffering
$General::version = 'VERSION';
return &validmask($mask);
}
+sub subtocidr
+{
+ #gets: Subnet in decimal (255.255.255.0)
+ #Gives: 24 (The cidr of network)
+ my ($byte1, $byte2, $byte3, $byte4) = split(/\./, $_[0].".0.0.0.0");
+ my $num = ($byte1 * 16777216) + ($byte2 * 65536) + ($byte3 * 256) + $byte4;
+ my $bin = unpack("B*", pack("N", $num));
+ my $count = ($bin =~ tr/1/1/);
+ return $count;
+}
+
+sub cidrtosub
+{
+ #gets: Cidr of network (20-30 for ccd)
+ #Konverts 30 to 255.255.255.252 e.g
+ my $cidr=$_[0];
+ my $netmask = &Net::IPv4Addr::ipv4_cidr2msk($cidr);
+ return "$netmask";
+}
+
+sub iporsubtodec
+{
+ #Gets: Ip address or subnetmask in decimal oder CIDR
+ #Gives: What it gets only in CIDR format
+ my $subnet=$_[0];
+ my $net;
+ my $mask;
+ my $full=0;
+ if ($subnet =~ /^(.*?)\/(.*?)$/) {
+ ($net,$mask) = split (/\//,$subnet);
+ $full=1;
+ return "$subnet";
+ }else{
+ $mask=$subnet;
+ }
+ #Subnet already in decimal and valid?
+ if ($mask=~/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/ &&(($1<=255 && $2<=$1 && $3<=$2 && $4<=$3 ))) {
+ for (my $i=8;$i<=32;$i++){
+ if (&General::cidrtosub($i) eq $mask){
+ if ($full == 0){return $mask;}else{
+ return $net."/".$mask;
+ }
+ }
+ }
+ }
+ #Subnet in binary format?
+ if ($mask=~/^(\d{1,2})$/ && (($1<=32 && $1>=8))){
+ if($full == 0){ return &General::cidrtosub($mask);}else{
+ return $net."/".&General::cidrtosub($mask);
+ }
+ }else{
+ return 3;
+ }
+ return 3;
+}
+
+
+sub iporsubtocidr
+{
+ #gets: Ip Address or subnetmask in decimal oder CIDR
+ #Gives: What it gets only in CIDR format
+ my $subnet=$_[0];
+ my $net;
+ my $mask;
+ my $full=0;
+ if ($subnet =~ /^(.*?)\/(.*?)$/) {
+ ($net,$mask) = split (/\//,$subnet);
+ $full=1;
+ }else{
+ $mask=$subnet;
+ }
+ #Subnet in decimal and valid?
+ if ($mask=~/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/ &&(($1<=255 && $2<=$1 && $3<=$2 && $4<=$3 ))) {
+ for (my $i=8;$i<=32;$i++){
+ if (&General::cidrtosub($i) eq $mask){
+ if ($full == 0){return &General::subtocidr($mask);}else{
+ return $net."/".&General::subtocidr($mask);
+ }
+ }
+ }
+ }
+ #Subnet already in binary format?
+ if ($mask=~/^(\d{1,2})$/ && (($1<=32 && $1>=8))){
+ if($full == 0){ return $mask;}else{
+ return $net."/".$mask;
+ }
+ }else{
+ return 3;
+ }
+ return 3;
+}
+
+sub getnetworkip
+{
+ #Gets: IP, CIDR (10.10.10.0-255, 24)
+ #Gives: 10.10.10.0
+ my ($ccdip,$ccdsubnet) = @_;
+ my $ip_address_binary = inet_aton( $ccdip );
+ my $netmask_binary = ~pack("N", (2**(32-$ccdsubnet))-1);
+ my $network_address = inet_ntoa( $ip_address_binary & $netmask_binary );
+ return $network_address;
+}
+
+sub getccdbc
+{
+ #Gets: IP in Form ("192.168.0.0/24")
+ #Gives: Broadcastaddress of network
+ my $ccdnet=$_;
+ my ($ccdip,$ccdsubnet) = split "/",$ccdnet;
+ my $ip_address_binary = inet_aton( $ccdip );
+ my $netmask_binary = ~pack("N", (2**(32-$ccdsubnet))-1);
+ my $broadcast_address = inet_ntoa( $ip_address_binary | ~$netmask_binary );
+ return $broadcast_address;
+}
+
+sub ip2dec
+{
+ my $ip_num;
+ my $ip=$_[0];
+ if ( $ip =~ /(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})/ ) {
+ $ip_num = (($1*256**3) + ($2*256**2) + ($3*256) + $4);
+ } else {
+ $ip_num = -1;
+ }
+ $ip_num = (($1*256**3) + ($2*256**2) + ($3*256) + $4);
+ return($ip_num);
+}
+
+sub dec2ip
+{
+ my $ip;
+ my $ip_num=$_[0];
+ my $o1=$ip_num%256;
+ $ip_num=int($ip_num/256);
+ my $o2=$ip_num%256;
+ $ip_num=int($ip_num/256);
+ my $o3=$ip_num%256;
+ $ip_num=int($ip_num/256);
+ my $o4=$ip_num%256;
+ $ip="$o4.$o3.$o2.$o1";
+ return ($ip);
+}
+
+sub getnextip
+{
+ my $decip=&ip2dec($_[0]);
+ $decip=$decip+4;
+ return &dec2ip($decip);
+}
+
+sub getlastip
+{
+ my $decip=&ip2dec($_[0]);
+ $decip--;
+ return &dec2ip($decip);
+}
+
sub validipandmask
{
- my $ipandmask = $_[0];
+ #Gets: Ip address in 192.168.0.0/24 or 192.168.0.0/255.255.255.0 and checks if subnet valid
+ #Gives: True bzw 0 if success or false
+ my $ccdnet=$_[0];
+ my $subcidr;
+
+ if (!($ccdnet =~ /^(.*?)\/(.*?)$/)) {
+ return 0;
+ }
+ my ($ccdip,$ccdsubnet)=split (/\//, $ccdnet);
+ #IP valid?
+ if ($ccdip=~/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/ &&(($1>0 && $1<=255 && $2>=0 && $2<=255 && $3>=0 && $3<=255 && $4<=255 ))) {
+ #Subnet in decimal and valid?
+ if ($ccdsubnet=~/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/ &&(($1<=255 && $2<=$1 && $3<=$2 && $4<=$3 ))) {
+ for (my $i=8;$i<=32;$i++){
+ if (&General::cidrtosub($i) eq $ccdsubnet){
+ return 1;
+ }
+ }
+ #Subnet already in binary format?
+ }elsif ($ccdsubnet=~/^(\d{1,2})$/ && (($1<=32 && $1>=8))){
+ return 1;
+ }else{
+ return 0;
+ }
+
+ }
+ return 0;
+}
+
+sub checksubnets
+{
+
+ my %ccdconfhash=();
+ my @ccdconf=();
+ my $ccdname=$_[0];
+ my $ccdnet=$_[1];
+ my $errormessage;
+ my ($ip,$cidr)=split(/\//,$ccdnet);
+ $cidr=&iporsubtocidr($cidr);
+
+
+ #get OVPN-Subnet (dynamic range)
+ my %ovpnconf=();
+ &readhash("${General::swroot}/ovpn/settings", \%ovpnconf);
+ my ($ovpnip,$ovpncidr)= split (/\//,$ovpnconf{'DOVPN_SUBNET'});
+ $ovpncidr=&iporsubtocidr($ovpncidr);
+
+ #check if we try to use same network as ovpn server
+ if ("$ip/$cidr" eq "$ovpnip/$ovpncidr") {
+ $errormessage=$errormessage.$Lang::tr{'ccd err isovpnnet'}."<br>";
+ return $errormessage;
+ }
+
+ #check if we use a network-name/subnet that already exists
+ &readhasharray("${General::swroot}/ovpn/ccd.conf", \%ccdconfhash);
+ foreach my $key (keys %ccdconfhash) {
+ @ccdconf=split(/\//,$ccdconfhash{$key}[1]);
+ if ($ccdname eq $ccdconfhash{$key}[0])
+ {
+ $errormessage=$errormessage.$Lang::tr{'ccd err nameexist'}."<br>";
+ return $errormessage;
+ }
+ my ($newip,$newsub) = split(/\//,$ccdnet);
+ if (&IpInSubnet($newip,$ccdconf[0],&iporsubtodec($ccdconf[1])))
+ {
+ $errormessage=$errormessage.$Lang::tr{'ccd err issubnet'}."<br>";
+ return $errormessage;
+ }
+
+ }
+ #check if we use a name which is already used by ovpn
+
+
+
+
+
+ #check if we use a ipsec right network which is already defined
+ my %ipsecconf=();
+ &General::readhasharray("${General::swroot}/vpn/config", \%ipsecconf);
+ foreach my $key (keys %ipsecconf){
+ if ($ipsecconf{$key}[11] ne ''){
+ #$errormessage="DRIN!";
+ #return $errormessage;
+
+ my ($ipsecip,$ipsecsub) = split (/\//, $ipsecconf{$key}[11]);
+ $ipsecsub=&iporsubtodec($ipsecsub);
+
+ if ( &IpInSubnet ($ip,$ipsecip,$ipsecsub) ){
+ $errormessage=$Lang::tr{'ccd err isipsecnet'}." Name: $ipsecconf{$key}[2]";
+ return $errormessage;
+ }
+ }
+ }
+
+
+ #check if we use one of ipfire's networks (green,orange,blue)
+ my %ownnet=();
+ &readhash("${General::swroot}/ethernet/settings", \%ownnet);
+ if (($ownnet{'GREEN_NETADDRESS'} ne '' && $ownnet{'GREEN_NETADDRESS'} ne '0.0.0.0') && &IpInSubnet($ownnet{'GREEN_NETADDRESS'},$ip,&iporsubtodec($cidr))){ $errormessage=$Lang::tr{'ccd err green'};return $errormessage;}
+ if (($ownnet{'ORANGE_NETADDRESS'} ne '' && $ownnet{'ORANGE_NETADDRESS'} ne '0.0.0.0') && &IpInSubnet($ownnet{'ORANGE_NETADDRESS'},$ip,&iporsubtodec($cidr))){ $errormessage=$Lang::tr{'ccd err orange'};return $errormessage;}
+ if (($ownnet{'BLUE_NETADDRESS'} ne '' && $ownnet{'BLUE_NETADDRESS'} ne '0.0.0.0') && &IpInSubnet($ownnet{'BLUE_NETADDRESS'},$ip,&iporsubtodec($cidr))){ $errormessage=$Lang::tr{'ccd err blue'};return $errormessage;}
+ if (($ownnet{'RED_NETADDRESS'} ne '' && $ownnet{'RED_NETADDRESS'} ne '0.0.0.0') && &IpInSubnet($ownnet{'RED_NETADDRESS'},$ip,&iporsubtodec($cidr))){ $errormessage=$Lang::tr{'ccd err red'};return $errormessage;}
+
+
- # split it into number and mask.
- if (!($ipandmask =~ /^(.*?)\/(.*?)$/)) {
- return 0; }
- my $ip = $1;
- my $mask = $2;
- # first part not a ip?
- if (!(&validip($ip))) {
- return 0; }
- return &validmask($mask);
}
+
sub validport
{
$_ = $_[0];
if (length ($hostname) < 1 || length ($hostname) > 63) {
return 0;}
# Only valid characters are a-z, A-Z, 0-9 and -
- if ($hostname !~ /^[a-zA-Z0-9-]*$/) {
+ if ($hostname !~ /^[a-zA-Z0-9-\s]*$/) {
return 0;}
# First character can only be a letter or a digit
if (substr ($hostname, 0, 1) !~ /^[a-zA-Z0-9]*$/) {
)
);
}
-
+sub NextIP2
+{
+ return &Socket::inet_ntoa( pack("N", 4 + unpack('N', &Socket::inet_aton(shift))
+ )
+ );
+}
sub ipcidr
{
my ($ip,$cidr) = &Net::IPv4Addr::ipv4_parse(shift);
open(FILE, ">$filename") or die "Unable to write to file $filename";
foreach $key (keys %$hash) {
- if ($key =~ /^[0-9]+$/) {
- print FILE "$key";
- foreach $i (0 .. $#{$hash->{$key}}) {
- print FILE ",$hash->{$key}[$i]";
- }
- print FILE "\n";
- }
+ if ($key =~ /^[0-9]+$/) {
+ print FILE "$key";
+ foreach $i (0 .. $#{$hash->{$key}}) {
+ print FILE ",$hash->{$key}[$i]";
+ }
+ print FILE "\n";
+ }
}
close FILE;
return;
projects / people / teissler / ipfire-2.x.git / blobdiff