59 lines
1.8 KiB
Perl
59 lines
1.8 KiB
Perl
#!/usr/bin/perl
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use Net::Radius::Dictionary;
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use Net::Radius::Packet;
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use Net::Inet;
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use Net::UDP;
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use warnings;
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use strict;
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use Fcntl;
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# This is a VERY simple RADIUS authentication server which responds
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# to Access-Request packets with Access-Accept. This allows anyone
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# to log in.
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# $Id: example-yes.pl 7 2003-01-08 03:42:41Z lem $
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my $secret = "mysecret"; # Shared secret on the term server
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# Parse the RADIUS dictionary file (must have dictionary in current dir)
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my $dict = new Net::Radius::Dictionary "dictionary"
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or die "Couldn't read dictionary: $!";
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# Set up the network socket (must have radius in /etc/services)
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my $s = new Net::UDP { thisservice => "radius" } or die $!;
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$s->bind or die "Couldn't bind: $!";
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$s->fcntl(F_SETFL, $s->fcntl(F_GETFL,0) | O_NONBLOCK)
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or die "Couldn't make socket non-blocking: $!";
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# Loop forever, recieving packets and replying to them
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while (1) {
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my ($rec, $whence);
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# Wait for a packet
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my $nfound = $s->select(1, 0, 1, undef);
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if ($nfound > 0) {
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# Get the data
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$rec = $s->recv(undef, undef, $whence);
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# Unpack it
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my $p = new Net::Radius::Packet $dict, $rec;
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if ($p->code eq 'Access-Request') {
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# Print some details about the incoming request (try ->dump here)
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print $p->attr('User-Name'), " logging in with password ",
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$p->password($secret), "\n";
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# Create a response packet
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my $rp = new Net::Radius::Packet $dict;
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$rp->set_code('Access-Accept');
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$rp->set_identifier($p->identifier);
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$rp->set_authenticator($p->authenticator);
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# (No attributes are needed.. but you could set IP addr, etc. here)
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# Authenticate with the secret and send to the server.
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$s->sendto(auth_resp($rp->pack, $secret), $whence);
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}
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else {
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# It's not an Access-Request
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print "Unexpected packet type recieved.";
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$p->dump;
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}
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}
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}
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