/[pxelator]/bin/tftpd.pl
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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Contents of /bin/tftpd.pl

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Revision 1 - (show annotations)
Sun Jul 26 00:38:57 2009 UTC (10 years ago) by dpavlin
File MIME type: text/plain
File size: 1732 byte(s)
first cut at dhcp and tftp servers in perl (gPXE boot works)

1 #!/usr/bin/perl
2 use strict;
3 use lib 'lib';
4 use Net::TFTPd 0.03 qw(%OPCODES);
5
6 die "need to run $0 as root like this\nsudo $0\n" unless $< == 0;
7
8 # change ROOTDIR to your TFTP root directory
9 my $rootdir = $ARGV[0] || 'tftp';
10
11 unless(-d $rootdir)
12 {
13 print "\nUsage: $0 path/to/rootdir\n\n";
14 exit 1;
15 }
16
17 # callback sub used to print transfer status
18 sub callback
19 {
20 my $req = shift;
21 if($req->{'_REQUEST_'}{'OPCODE'} eq $OPCODES{'RRQ'})
22 {
23 # RRQ
24 printf "block: %u\/%u\n", $req->{'_REQUEST_'}{'LASTACK'}, $req->{'_REQUEST_'}{'LASTBLK'};
25 }
26 elsif($req->{'_REQUEST_'}{'OPCODE'} eq $OPCODES{'WRQ'})
27 {
28 # WRQ
29 printf "block: %u\/%u\n", $req->{'_REQUEST_'}{'LASTBLK'}, $req->{'_REQUEST_'}{'LASTACK'};
30 }
31 }
32
33 # create the listener
34 my $listener = Net::TFTPd->new(
35 'RootDir' => $rootdir,
36 'Writable' => 0,
37 'Timeout' => 3600,
38 'CallBack' => \&callback,
39 # LocalAddr => '10.0.0.100',
40 # BlkSize => 8192,
41 # BlkSize => 512,
42 BlkSize => 1456, # IBM GE seems to be picky
43 Debug => 99,
44 ) or die Net::TFTPd->error;
45 printf "TFTP listener is bound to %s:%d\nTFTP listener is waiting %d seconds for a request\n", $listener->{'LocalAddr'} ? $listener->{'LocalAddr'} : "'any address'", $listener->{'LocalPort'}, $listener->{'Timeout'};
46
47 while(1) {
48
49 # wait for any request (RRQ or WRQ)
50 if(my $request = $listener->waitRQ()) {
51 # received request
52 printf "Received a %s for file '%s'\n", $OPCODES{$request->{'_REQUEST_'}{'OPCODE'}}, $request->{'_REQUEST_'}{'FileName'};
53
54 # process the request
55 if($request->processRQ()) {
56 print "OK, transfer completed successfully\n";
57 } else {
58 warn Net::TFTPd->error;
59 $request->processRQ();
60 }
61 } else {
62 # request not received (timed out waiting for request etc.)
63 warn Net::TFTPd->error;
64 }
65
66 }

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