/[mdap]/mdap-server.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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Diff of /mdap-server.pl

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revision 14 by dpavlin, Sun Apr 22 23:29:05 2007 UTC revision 19 by dpavlin, Mon Apr 23 19:06:18 2007 UTC
# Line 3  Line 3 
3  use strict;  use strict;
4  use IO::Socket::Multicast;  use IO::Socket::Multicast;
5  use Data::Dump qw/dump/;  use Data::Dump qw/dump/;
6    use Getopt::Long;
7    
8  use constant GROUP => '224.0.0.103';  my $GROUP = '224.0.0.103';
9  use constant PORT  => '3235';  my $PORT  = '3235';
10    
11  my $debug = shift @ARGV;  my $debug = 0;
12    my $quiet = 1;
13    my $verbose = 0;
14    
15  my $resend_search_delay = 3;  my $resend_search_delay = 3;
16  my $tftp_path = '/srv/tftp/';  my $tftp_path = '/srv/tftp/';
17    
18  my $user_id = 'Administrator';  GetOptions(
19  my $user_pwd = '';          "port=i"        => \$PORT,
20            "group=s"       => \$GROUP,
21            "debug!"        => \$debug,
22            "quiet!"        => \$quiet,
23            "verbose!"      => \$verbose,
24            "search=i"      => \$resend_search_delay,
25            "tftp=s"        => \$tftp_path,
26    );
27    
28    $quiet = 0 if $verbose;
29    
30    # tab-delimited list of user id/passwd to try on ants
31    my @try_accounts = ( "Administrator\t" );
32    
33    my $passwd_path = $0;
34    $passwd_path =~ s/[^\/]+$/passwd/;
35    
36    if (-e $passwd_path) {
37            open(my $fh, $passwd_path) || die "can't open $passwd_path: $!";
38            while(<$fh>) {
39                    chomp;
40                    next if /^#/ || /^$/ || /^\s+$/;
41                    if (/^\S+\t\S+$/) {
42                            push @try_accounts, $_;
43                    } else {
44                            warn "invalid $passwd_path entry: $_\n";
45                    }
46            }
47            print "found ", $#try_accounts + 1, " accounts to try on password protected ants\n";
48    }
49    
50  warn "search for ants every ${resend_search_delay}s\ntftp server path: $tftp_path\n";  warn "search for ants every ${resend_search_delay}s\ntftp server path: $tftp_path\n";
51    
# Line 30  sub fw { Line 62  sub fw {
62  sub fw_build {  sub fw_build {
63          my $board_name = shift || return 0;          my $board_name = shift || return 0;
64          my $v = join('.', unpack('CCCC',fw($board_name,0x20,4)) );          my $v = join('.', unpack('CCCC',fw($board_name,0x20,4)) );
65          print "# fw_build $board_name $v\n";          print "# fw_build $board_name $v\n" unless $quiet;
66          return $v;          return $v;
67  }  }
68    
# Line 39  sub fw_exists { Line 71  sub fw_exists {
71          return -e "$tftp_path/$board";          return -e "$tftp_path/$board";
72  }  }
73    
74  my $sock = IO::Socket::Multicast->new(LocalPort=>PORT,ReuseAddr=>1);  my $sock = IO::Socket::Multicast->new(LocalPort=>$PORT,ReuseAddr=>1);
75  $sock->mcast_add(GROUP) || die "Couldn't set group: $!\n";  $sock->mcast_add($GROUP) || die "Couldn't set group: $!\n";
76  $sock->mcast_ttl(1);  $sock->mcast_ttl(1);
77    
78  sub ant2hash {  sub ant2hash {
# Line 62  sub mdap_send { Line 94  sub mdap_send {
94          map { $xor ^= ord($_) } split(//,$data);          map { $xor ^= ord($_) } split(//,$data);
95          $data .= sprintf('%02X', $xor);          $data .= sprintf('%02X', $xor);
96    
97          $sock->mcast_send( $data, GROUP . ':' . PORT );          $sock->mcast_send( $data, "${GROUP}:${PORT}" );
98          if ($debug) {          if ($debug) {
99                  warn ">> ", dump( $data ), $/;                  warn ">> ", dump( $data ), $/;
100          } else {          } elsif( ! $quiet ) {
101                  $data =~ s/\s+/ /gi;                  $data =~ s/\s+/ /gi;
102                  warn ">> ", substr($data,0,70), $/;                  warn ">> ", substr($data,0,70), $/;
103          }          }
104  }  }
105    
106    my $ant_passwd_try;
107    
108    sub ant_credentials {
109            my $ant = shift || die "no ant?";
110            my $i = $ant_passwd_try->{$ant} || 0;
111            my ($user_id,$user_pwd) = split(/\t/, $try_accounts[$i]);
112            #warn "ant $ant as [$i] $user_id / $user_pwd\n";
113            return ($user_id,$user_pwd);
114    }
115    
116    sub ant_another_passwd {
117            my $ant = shift || die "no ant?";
118            $ant_passwd_try->{$ant}++;
119            $ant_passwd_try->{$ant} = 0 if ( $ant_passwd_try->{$ant} > $#try_accounts );
120    }
121    
122  local $SIG{ALRM} = sub {  local $SIG{ALRM} = sub {
123          mdap_send("ANT-SEARCH MDAP/1.1\r\n");          mdap_send("ANT-SEARCH MDAP/1.1\r\n");
124          alarm( $resend_search_delay );          alarm( $resend_search_delay );
# Line 93  while (1) { Line 141  while (1) {
141                  my $client_version = $h->{'MDAP-VERSION'};                  my $client_version = $h->{'MDAP-VERSION'};
142                  $mdap_ver = $client_version if ($client_version);                  $mdap_ver = $client_version if ($client_version);
143    
144                  print "<< $type $proto/$mdap_ver << ", length($data), " bytes\n";                  print "<< $type $proto/$mdap_ver << ", length($data), " bytes\n" unless $quiet;
145    
146                  warn dump($h),$/ if ($debug);                  warn dump($h),$/ if ($debug);
147    
148                  # we are getting our own INFO messages                  # we are getting our own messages (since our source port
149                    # is same as destination)
150                  next if ( $type =~ m#^(INFO|ANT-SEARCH|EXEC-CLI)# );                  next if ( $type =~ m#^(INFO|ANT-SEARCH|EXEC-CLI)# );
151    
152                  my $ant = $h->{'ANT-ID'} || die "no ANT-ID in ", dump( $h );                  my $ant = $h->{'ANT-ID'} || die "no ANT-ID in ", dump( $h );
153    
154                    my ($user_id,$user_pwd) = ant_credentials( $ant );
155    
156                  if ($type eq 'REPLY-ANT-SEARCH') {                  if ($type eq 'REPLY-ANT-SEARCH') {
157                          mdap_send("INFO MDAP/$mdap_ver\r\nSEQ-NR:1\r\nTO-ANT:$ant\r\nUSER-ID:$user_id\r\nUSER-PWD:$user_pwd\r\n");                          mdap_send("INFO MDAP/$mdap_ver\r\nSEQ-NR:1\r\nTO-ANT:$ant\r\nUSER-ID:$user_id\r\nUSER-PWD:$user_pwd\r\n");
158                  } elsif ($type eq 'REPLY-INFO') {                  } elsif ($type eq 'REPLY-INFO') {
159    
160                            if ($h->{'SEQ-NR'} < 0) {
161                                    warn "!! password protected ant $ant, skipping\n";
162                                    ant_another_passwd( $ant );
163                                    next;
164                            }
165    
166                          my $board = $h->{'_BOARD_NAME'} || die "no _BOARD_NAME?";                          my $board = $h->{'_BOARD_NAME'} || die "no _BOARD_NAME?";
167                          if ( fw_exists( $board ) ) {                          if ( fw_exists( $board ) ) {
168                                  my $build = $h->{'_BUILD'} || die "no _BUILD?";                                  my $build = $h->{'_BUILD'} || die "no _BUILD?";
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