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package tftpd; |
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|
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use warnings; |
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use strict; |
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|
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use Net::TFTPd 0.03 qw(%OPCODES); |
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use IO::Socket::INET; |
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use Data::Dump qw/dump/; |
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use CouchDB; |
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|
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use server; |
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|
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our $debug = server::debug; |
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|
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our $dir = "$server::base_dir/tftp"; |
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|
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sub path { |
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my $glob = shift; |
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my $path = (glob("$dir/$glob"))[0]; |
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die "can't find anything for $dir/$glob" unless $path; |
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warn 'path ', $path if $debug; |
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$path =~ s{^$dir}{}; |
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return $path; |
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} |
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|
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use progress_bar; |
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|
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sub transfer_status { |
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my $request = shift; |
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my $r = $request->{'_REQUEST_'} || die "no _REQUEST_ in ",dump( $request ); |
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|
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if( $r->{'OPCODE'} eq $OPCODES{'RRQ'} ) { |
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progress_bar::tick( $r->{FileName}, $r->{BlkSize} * $r->{LASTACK}, $r->{BlkSize} * $r->{LASTBLK} ); |
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} elsif ( $r->{'OPCODE'} eq $OPCODES{'WRQ'} ) { |
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die "WRQ disabled"; |
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} else { |
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warn "IGNORED: ", dump( $request ); |
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} |
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} |
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|
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use config; |
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|
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sub tftp_request { |
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my $request = shift; |
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|
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server->refresh; |
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|
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warn 'request: ', dump( $request ) if $debug; |
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|
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my $ip = $request->{_REQUEST_}->{PeerAddr}; |
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config::for_ip( $ip ); |
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|
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if ( $request->{RootDir} ne $dir ) { |
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$request->{RootDir} = $dir; |
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warn "new root: $dir"; |
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} |
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|
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my $file = $request->{'_REQUEST_'}{'FileName'}; |
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my $opcode = $OPCODES{$request->{'_REQUEST_'}{'OPCODE'}}; |
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|
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my $audit = { |
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ip => $ip, |
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opcode => $opcode, |
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file => $file, |
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state => 'start', |
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}; |
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CouchDB::audit( $opcode, $audit ); |
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|
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progress_bar::start; |
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|
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# process the request |
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if( $request->processRQ() ) { |
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my $size = -s "$dir/$file"; |
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$audit->{state} = 'finish'; |
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$audit->{size} = $size; |
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CouchDB::audit( $opcode, $audit ); |
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} else { |
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$audit->{state} = 'error'; |
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$audit->{error} = Net::TFTPd->error; |
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CouchDB::audit( $opcode, $audit ); |
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$request->processRQ(); |
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} |
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|
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} |
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|
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use server; |
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|
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sub start { |
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|
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warn 'start'; |
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|
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# XXX we need to setup listener ourselfs because we need Reuse |
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my %params = ( |
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Proto => 'udp', |
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# LocalAddr => $server::ip, |
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# LocalAddr => '0.0.0.0', |
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LocalPort => 69, |
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Reuse => 1, |
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); |
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|
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my $udpserver = IO::Socket::INET->new(%params); |
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die "can't start server ",dump( \%params ), " $!" unless $udpserver; |
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|
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my $listener = bless { |
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RootDir => $dir, |
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|
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ACKtimeout => 4, |
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ACKretries => 4, |
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Readable => 1, |
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Writable => 0, |
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Timeout => 3600, |
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|
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CallBack => \&transfer_status, |
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# BlkSize => 8192, |
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# BlkSize => 512, |
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BlkSize => 1456, # IBM GE seems to be picky |
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Debug => 99, |
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%params, # merge user parameters |
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_UDPSERVER_ => $udpserver, |
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}, 'Net::TFTPd'; |
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|
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warn 'listener: ',dump( $listener ) if $debug; |
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|
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CouchDB::audit( 'start', { |
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addr => $listener->{LocalAddr}, |
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port => $listener->{LocalPort}, |
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timeout => $listener->{Timeout}, |
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params => { %params }, |
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}); |
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|
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while(1) { |
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|
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# wait for any request (RRQ or WRQ) |
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if(my $request = $listener->waitRQ()) { |
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tftp_request $request; |
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} elsif ( my $error = Net::TFTPd->error ) { |
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warn $error; |
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} |
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|
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} |
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|
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} |
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|
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warn "loaded"; |
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|
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1; |