lib/PXElator/tftpd.pm

package tftpd;

use warnings;
use strict;

use Net::TFTPd 0.03 qw(%OPCODES);
use IO::Socket::INET;
use Data::Dump qw/dump/;
use CouchDB;

use server;

our $debug = server::debug;

our $dir  = "$server::base_dir/tftp";

sub path {
        my $glob = shift;
        my $path = (glob("$dir/$glob"))[0];
        die "can't find anything for $dir/$glob" unless $path;
        warn 'path ', $path if $debug;
        $path =~ s{^$dir}{};
        return $path;
}

use progress_bar;

sub transfer_status {
        my $request = shift;
        my $r = $request->{'_REQUEST_'} || die "no _REQUEST_ in ",dump( $request );

        if( $r->{'OPCODE'} eq $OPCODES{'RRQ'} ) {
                progress_bar::tick( $r->{FileName}, $r->{BlkSize} * $r->{LASTACK}, $r->{BlkSize} * $r->{LASTBLK} );
        } elsif ( $r->{'OPCODE'} eq $OPCODES{'WRQ'} ) {
                die "WRQ disabled";
        } else {
                warn "IGNORED: ", dump( $request );
        }
}

use config;

sub tftp_request {
        my $request = shift;

        server->refresh;

        warn 'request: ', dump( $request ) if $debug;

        my $ip = $request->{_REQUEST_}->{PeerAddr};
        config::for_ip( $ip );

        if ( $request->{RootDir} ne $dir ) {
                $request->{RootDir} = $dir;
                warn "new root: $dir";
        }

        my $file = $request->{'_REQUEST_'}{'FileName'};
        my $opcode = $OPCODES{$request->{'_REQUEST_'}{'OPCODE'}};

        CouchDB::audit('request', {
                ip => $ip,
                opcode => $opcode,
                file => $file,
        });

        progress_bar::start;

        # process the request
        if( $request->processRQ() ) {
                my $size = -s "$dir/$file";
                CouchDB::audit('completed', { file => $file, size => $size });
        } else {
                CouchDB::audit('error', { file => $file, error => Net::TFTPd->error });
                $request->processRQ();
        }

}

use server;

sub start {

        warn 'start';

        # XXX we need to setup listener ourselfs because we need Reuse
        my %params = (
                Proto => 'udp',
#               LocalAddr => $server::ip,
#               LocalAddr => '0.0.0.0',
                LocalPort => 69,
                Reuse => 1,
        );

        my $udpserver = IO::Socket::INET->new(%params);
        die "can't start server ",dump( \%params ), " $!" unless $udpserver;

        my $listener = bless {
                RootDir => $dir,

                ACKtimeout  => 4,
                ACKretries  => 4,
                Readable    => 1,
                Writable    => 0,
                Timeout => 3600,

                CallBack => \&transfer_status,
#               BlkSize => 8192,
#               BlkSize => 512,
                BlkSize => 1456,        # IBM GE seems to be picky
                Debug => 99,
                %params, # merge user parameters
                _UDPSERVER_ => $udpserver,
        }, 'Net::TFTPd';

        warn 'listener: ',dump( $listener ) if $debug;

        CouchDB::audit( 'start', {
                addr => $listener->{LocalAddr},
                port => $listener->{LocalPort},
                timeout => $listener->{Timeout},
                params => { %params },
        });

        while(1) {

                # wait for any request (RRQ or WRQ)
                if(my $request = $listener->waitRQ()) {
                        tftp_request $request;
                } elsif ( my $error = Net::TFTPd->error ) {
                        warn $error;
                }

        }

}

warn "loaded";

1;
1	package tftpd;
2
3	use warnings;
4	use strict;
5
6	use Net::TFTPd 0.03 qw(%OPCODES);
7	use IO::Socket::INET;
8	use Data::Dump qw/dump/;
9	use CouchDB;
10
11	use server;
12
13	our $debug = server::debug;
14
15	our $dir = "$server::base_dir/tftp";
16
17	sub path {
18	my $glob = shift;
19	my $path = (glob("$dir/$glob"))[0];
20	die "can't find anything for $dir/$glob" unless $path;
21	warn 'path ', $path if $debug;
22	$path =~ s{^$dir}{};
23	return $path;
24	}
25
26	use progress_bar;
27
28	sub transfer_status {
29	my $request = shift;
30	my $r = $request->{'_REQUEST_'} \|\| die "no _REQUEST_ in ",dump( $request );
31
32	if( $r->{'OPCODE'} eq $OPCODES{'RRQ'} ) {
33	progress_bar::tick( $r->{FileName}, $r->{BlkSize} * $r->{LASTACK}, $r->{BlkSize} * $r->{LASTBLK} );
34	} elsif ( $r->{'OPCODE'} eq $OPCODES{'WRQ'} ) {
35	die "WRQ disabled";
36	} else {
37	warn "IGNORED: ", dump( $request );
38	}
39	}
40
41	use config;
42
43	sub tftp_request {
44	my $request = shift;
45
46	server->refresh;
47
48	warn 'request: ', dump( $request ) if $debug;
49
50	my $ip = $request->{_REQUEST_}->{PeerAddr};
51	config::for_ip( $ip );
52
53	if ( $request->{RootDir} ne $dir ) {
54	$request->{RootDir} = $dir;
55	warn "new root: $dir";
56	}
57
58	my $file = $request->{'_REQUEST_'}{'FileName'};
59	my $opcode = $OPCODES{$request->{'_REQUEST_'}{'OPCODE'}};
60
61	CouchDB::audit('request', {
62	ip => $ip,
63	opcode => $opcode,
64	file => $file,
65	});
66
67	progress_bar::start;
68
69	# process the request
70	if( $request->processRQ() ) {
71	my $size = -s "$dir/$file";
72	CouchDB::audit('completed', { file => $file, size => $size });
73	} else {
74	CouchDB::audit('error', { file => $file, error => Net::TFTPd->error });
75	$request->processRQ();
76	}
77
78	}
79
80	use server;
81
82	sub start {
83
84	warn 'start';
85
86	# XXX we need to setup listener ourselfs because we need Reuse
87	my %params = (
88	Proto => 'udp',
89	# LocalAddr => $server::ip,
90	# LocalAddr => '0.0.0.0',
91	LocalPort => 69,
92	Reuse => 1,
93	);
94
95	my $udpserver = IO::Socket::INET->new(%params);
96	die "can't start server ",dump( \%params ), " $!" unless $udpserver;
97
98	my $listener = bless {
99	RootDir => $dir,
100
101	ACKtimeout => 4,
102	ACKretries => 4,
103	Readable => 1,
104	Writable => 0,
105	Timeout => 3600,
106
107	CallBack => \&transfer_status,
108	# BlkSize => 8192,
109	# BlkSize => 512,
110	BlkSize => 1456, # IBM GE seems to be picky
111	Debug => 99,
112	%params, # merge user parameters
113	_UDPSERVER_ => $udpserver,
114	}, 'Net::TFTPd';
115
116	warn 'listener: ',dump( $listener ) if $debug;
117
118	CouchDB::audit( 'start', {
119	addr => $listener->{LocalAddr},
120	port => $listener->{LocalPort},
121	timeout => $listener->{Timeout},
122	params => { %params },
123	});
124
125	while(1) {
126
127	# wait for any request (RRQ or WRQ)
128	if(my $request = $listener->waitRQ()) {
129	tftp_request $request;
130	} elsif ( my $error = Net::TFTPd->error ) {
131	warn $error;
132	}
133
134	}
135
136	}
137
138	warn "loaded";
139
140	1;