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|
#!/usr/bin/perl -w
use strict;
# Attribute Code
#-------------------------------------------
# username 101
# commonname 102
# framedip 103
# callingstationid 104
# untrustedport 105
# framedroutes 106
# vsabuf 107
my $action='';
my $reykeying='';
my $buflen='';
my $attribnumber='';
my $len='';
my $callingstationid='';
my $untrustedport='';
my $username='';
my $commonname='';
my $framedip='';
my @framedroutes='';
my $pipe='';
my @attributes;
my $i=0;
my $j=0;
$pipe = $ARGV[0];
open(FIFO, "< $pipe") || print "fifo: $!\n";
my $l;
read (FIFO,$l,4);
$action=unpack('N1',$l);
#print "VSAScript: Action: $action\n";
read (FIFO,$l,4);
$reykeying=unpack('N1',$l);
#print "VSAScript: Rekeying: $action\n";
read (FIFO,$l,4);
$buflen=unpack('N1',$l);
#print "VSAScript: buflen: $buflen\n";
$buflen=$buflen-12;
while($buflen > 0)
{
read (FIFO,$l,4);
$attribnumber=unpack('N1',$l);
#print "VSAScript: Attribute Number : $attribnumber\n";
read (FIFO,$l,4);
$len=unpack('N1',$l);
#print "VSAScript: Attribute Length : $len\n";
$buflen=$buflen-8;
if($attribnumber eq 101)
{
read (FIFO,$l,$len);
#print "VSAScript: Attribute Value : $l\n";
$buflen=$buflen-$len;
$username = $l;
}
elsif($attribnumber eq 102)
{
read (FIFO,$l,$len);
#print "VSAScript: Attribute Value : $l\n";
$buflen=$buflen-$len;
$commonname = $l;
}
elsif($attribnumber eq 103)
{
read (FIFO,$l,$len);
#print "VSAScript: Attribute Value : $l\n";
$buflen=$buflen-$len;
$framedip = $l;
}
elsif($attribnumber eq 104)
{
read (FIFO,$l,$len);
#print "VSAScript: Attribute Value : $l\n";
$buflen=$buflen-$len;
$callingstationid = $l;
}
elsif($attribnumber eq 105)
{
read (FIFO,$l,$len);
#print "VSAScript: Attribute Value : $l\n";
$buflen=$buflen-$len;
$untrustedport = $l;
}
elsif($attribnumber eq 106)
{
read (FIFO,$l,$len);
#print "VSAScript: Attribute Value : $l\n";
$buflen=$buflen-$len;
$framedroutes[$i] = $l;
$i++;
}
elsif($attribnumber eq 107)
{
while($len>0)
{
print "VSAScript: Vendor specific attribute\n";
my $vendor_id;
my $vendor_number;
my $vendor_len;
read (FIFO,$l,4);
$vendor_id=unpack('N1',$l);
#print "VSAScript: Vendor ID : $vendor_id\n";
read (FIFO,$l,1);
$vendor_number=unpack('C',$l);
#print "VSAScript: Vendor Number : $vendor_number\n";
read (FIFO,$l,1);
$vendor_len=unpack('C1',$l)-2;
#print "VSAScript: Vendor Value length : $vendor_len\n";
read (FIFO,$l,$vendor_len);
#decoding for integer values
if(
($vendor_id eq 529 && $vendor_number eq 197) #vendor specific attribute : Ascend-Data-Rate
or ($vendor_id eq 529 && $vendor_number eq 255) #vendor specific attribute : Ascend-Xmit-Rate
)
{
$l=unpack('N1',$l);
$attributes[$j]{'id'}=$vendor_id;
$attributes[$j]{'number'}=$vendor_number;
$attributes[$j]{'value'}=$l;
#print "VSAScript: Vendor Value: $l\n";
}
else # decoding for sting values
{
$attributes[$j]{'id'}=$vendor_id;
$attributes[$j]{'number'}=$vendor_number;
$attributes[$j]{'value'}=$l;
#print "VSAScript: Vendor Value: $l\n";
}
$buflen=$buflen-6-$vendor_len;
$len=$len-6-$vendor_len;
$len=$len-1;
$buflen=$buflen-1;
$j++;
}
}
else
{
read (FIFO,$l,$len);
#print "VSAScript: Undefined Attribute Value : $l\n";
$buflen=$buflen-$len;
}
}
close(FIFO);
print "\n---------------VSAScript----------------------\n";
if ($action eq 0) { print "\nAction: Authentication";}
elsif ($action eq 1) { print "\nAction: Client connect";}
elsif ($action eq 2) { print "\nAction: Client disconnect";}
else { print "\nAction: undefined!";}
if ($reykeying eq 0) { print "\nReykeying: No";}
elsif ($reykeying eq 1) { print "\nReykeying: Yes";}
else { print "\nReykeying: undefined!";}
print "\nUsername: $username";
print "\nCommonname: $commonname";
print "\nCallingstationid: $callingstationid";
print "\nUntrustedport: $untrustedport";
print "\nFramedIP: $framedip";
while($i>0)
{
$i--;
print "\nFramedRoute: $framedroutes[$i]";
}
while($j>0)
{
$j--;
print "\nVSA attribute: ";
print "\nId ($j): ".$attributes[$j]{'id'};
print "\nNumber ($j): ".$attributes[$j]{'number'};
print "\nValue ($j): ".$attributes[$j]{'value'};
}
print "\n---------------VSAScript----------------------\n";
exit(0);
|
