/[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 13 - (show annotations)
Mon Jul 27 22:25:06 2009 UTC (10 years, 5 months ago) by dpavlin
File MIME type: text/plain
File size: 1809 byte(s)
use tftp.dir for root of tftp directory

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 = 'conf/' . readlink('conf/tftp.dir');
10 $rootdir =~ s{[^/]+/\.\./([^/]+)}{$1};
11
12 unless(-d $rootdir)
13 {
14 print "$rootdir isn't directory!\nUsage: $0 path/to/rootdir\n\n";
15 exit 1;
16 }
17
18 # callback sub used to print transfer status
19 sub callback
20 {
21 my $req = shift;
22 if($req->{'_REQUEST_'}{'OPCODE'} eq $OPCODES{'RRQ'})
23 {
24 # RRQ
25 printf "block: %u\/%u\n", $req->{'_REQUEST_'}{'LASTACK'}, $req->{'_REQUEST_'}{'LASTBLK'};
26 }
27 elsif($req->{'_REQUEST_'}{'OPCODE'} eq $OPCODES{'WRQ'})
28 {
29 # WRQ
30 printf "block: %u\/%u\n", $req->{'_REQUEST_'}{'LASTBLK'}, $req->{'_REQUEST_'}{'LASTACK'};
31 } else {
32 warn "IGNORED: ", dump( $req );
33 }
34 }
35
36 # create the listener
37 my $listener = Net::TFTPd->new(
38 'RootDir' => $rootdir,
39 'Writable' => 0,
40 'Timeout' => 3600,
41 'CallBack' => \&callback,
42 # LocalAddr => '10.0.0.100',
43 # BlkSize => 8192,
44 # BlkSize => 512,
45 BlkSize => 1456, # IBM GE seems to be picky
46 Debug => 99,
47 ) or die Net::TFTPd->error;
48 printf "TFTP %s:%d [timeout %d s] $rootdir\n", $listener->{'LocalAddr'} ? $listener->{'LocalAddr'} : "'any address'", $listener->{'LocalPort'}, $listener->{'Timeout'};
49
50 while(1) {
51
52 # wait for any request (RRQ or WRQ)
53 if(my $request = $listener->waitRQ()) {
54 # received request
55 printf "Received a %s for file '%s'\n", $OPCODES{$request->{'_REQUEST_'}{'OPCODE'}}, $request->{'_REQUEST_'}{'FileName'};
56
57 # process the request
58 if($request->processRQ()) {
59 print "OK, transfer completed successfully\n";
60 } else {
61 warn Net::TFTPd->error;
62 $request->processRQ();
63 }
64 } else {
65 # request not received (timed out waiting for request etc.)
66 warn Net::TFTPd->error;
67 }
68
69 }

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