/[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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Annotation of /bin/tftpd.pl

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Revision 13 - (hide annotations)
Mon Jul 27 22:25:06 2009 UTC (10 years, 5 months ago) by dpavlin
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File size: 1809 byte(s)
use tftp.dir for root of tftp directory

1 dpavlin 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 dpavlin 13 my $rootdir = 'conf/' . readlink('conf/tftp.dir');
10     $rootdir =~ s{[^/]+/\.\./([^/]+)}{$1};
11 dpavlin 1
12     unless(-d $rootdir)
13     {
14 dpavlin 13 print "$rootdir isn't directory!\nUsage: $0 path/to/rootdir\n\n";
15 dpavlin 1 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 dpavlin 13 } else {
32     warn "IGNORED: ", dump( $req );
33 dpavlin 1 }
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 dpavlin 13 printf "TFTP %s:%d [timeout %d s] $rootdir\n", $listener->{'LocalAddr'} ? $listener->{'LocalAddr'} : "'any address'", $listener->{'LocalPort'}, $listener->{'Timeout'};
49 dpavlin 1
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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