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

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Revision 24 - (hide annotations)
Tue Jul 28 21:03:29 2009 UTC (10 years, 6 months ago) by dpavlin
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File size: 1919 byte(s)
take tftp dir from configuration

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 dpavlin 24 our $tftp_dir;
9 dpavlin 17 sub tftp_dir {
10 dpavlin 24 require 'config.pl';
11     warn "# config: ", readlink 'config.pl', " tftp_dir: $tftp_dir\n";
12     return $tftp_dir;
13 dpavlin 1 }
14    
15 dpavlin 24 tftp_dir;
16 dpavlin 17
17     die "no $tftp_dir\n" unless -e $tftp_dir;
18    
19 dpavlin 1 # 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 dpavlin 13 } else {
33     warn "IGNORED: ", dump( $req );
34 dpavlin 1 }
35     }
36    
37     # create the listener
38     my $listener = Net::TFTPd->new(
39 dpavlin 17 'RootDir' => $tftp_dir,
40 dpavlin 1 '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 dpavlin 17 printf "TFTP on %s:%d timeout: %d dir: $tftp_dir\n", $listener->{'LocalAddr'} ? $listener->{'LocalAddr'} : "'any address'", $listener->{'LocalPort'}, $listener->{'Timeout'};
50 dpavlin 1
51     while(1) {
52    
53     # wait for any request (RRQ or WRQ)
54     if(my $request = $listener->waitRQ()) {
55 dpavlin 17
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 dpavlin 1 # 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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