/[pxelator]/bin/tftpd.pl
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Contents of /bin/tftpd.pl

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Revision 24 - (show annotations)
Tue Jul 28 21:03:29 2009 UTC (9 years, 11 months ago) by dpavlin
File MIME type: text/plain
File size: 1919 byte(s)
take tftp dir from configuration

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 our $tftp_dir;
9 sub tftp_dir {
10 require 'config.pl';
11 warn "# config: ", readlink 'config.pl', " tftp_dir: $tftp_dir\n";
12 return $tftp_dir;
13 }
14
15 tftp_dir;
16
17 die "no $tftp_dir\n" unless -e $tftp_dir;
18
19 # callback sub used to print transfer status
20 sub callback
21 {
22 my $req = shift;
23 if($req->{'_REQUEST_'}{'OPCODE'} eq $OPCODES{'RRQ'})
24 {
25 # RRQ
26 printf "block: %u\/%u\n", $req->{'_REQUEST_'}{'LASTACK'}, $req->{'_REQUEST_'}{'LASTBLK'};
27 }
28 elsif($req->{'_REQUEST_'}{'OPCODE'} eq $OPCODES{'WRQ'})
29 {
30 # WRQ
31 printf "block: %u\/%u\n", $req->{'_REQUEST_'}{'LASTBLK'}, $req->{'_REQUEST_'}{'LASTACK'};
32 } else {
33 warn "IGNORED: ", dump( $req );
34 }
35 }
36
37 # create the listener
38 my $listener = Net::TFTPd->new(
39 'RootDir' => $tftp_dir,
40 'Writable' => 0,
41 'Timeout' => 3600,
42 'CallBack' => \&callback,
43 # LocalAddr => '10.0.0.100',
44 # BlkSize => 8192,
45 # BlkSize => 512,
46 BlkSize => 1456, # IBM GE seems to be picky
47 Debug => 99,
48 ) or die Net::TFTPd->error;
49 printf "TFTP on %s:%d timeout: %d dir: $tftp_dir\n", $listener->{'LocalAddr'} ? $listener->{'LocalAddr'} : "'any address'", $listener->{'LocalPort'}, $listener->{'Timeout'};
50
51 while(1) {
52
53 # wait for any request (RRQ or WRQ)
54 if(my $request = $listener->waitRQ()) {
55
56 $tftp_dir = tftp_dir;
57
58 if ( $request->{RootDir} ne $tftp_dir ) {
59 $request->{RootDir} = $tftp_dir;
60 warn "new root: $tftp_dir\n";
61 }
62
63 # received request
64 printf "Received a %s for file '%s'\n", $OPCODES{$request->{'_REQUEST_'}{'OPCODE'}}, $request->{'_REQUEST_'}{'FileName'};
65
66 # process the request
67 if($request->processRQ()) {
68 print "OK, transfer completed successfully\n";
69 } else {
70 warn Net::TFTPd->error;
71 $request->processRQ();
72 }
73 } else {
74 # request not received (timed out waiting for request etc.)
75 warn Net::TFTPd->error;
76 }
77
78 }

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